diff options
850 files changed, 6772 insertions, 50075 deletions
diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl index 2f7fd43608485b..9c27e5125dd26e 100644 --- a/Documentation/DocBook/device-drivers.tmpl +++ b/Documentation/DocBook/device-drivers.tmpl @@ -102,9 +102,12 @@ X!Iinclude/linux/kobject.h !Iinclude/linux/device.h </sect1> <sect1><title>Device Drivers Base</title> +!Idrivers/base/init.c !Edrivers/base/driver.c !Edrivers/base/core.c +!Edrivers/base/syscore.c !Edrivers/base/class.c +!Idrivers/base/node.c !Edrivers/base/firmware_class.c !Edrivers/base/transport_class.c <!-- Cannot be included, because @@ -113,7 +116,7 @@ X!Iinclude/linux/kobject.h exceed allowed 44 characters maximum X!Edrivers/base/attribute_container.c --> -!Edrivers/base/sys.c +!Edrivers/base/dd.c <!-- X!Edrivers/base/interface.c --> @@ -121,6 +124,11 @@ X!Edrivers/base/interface.c !Edrivers/base/platform.c !Edrivers/base/bus.c </sect1> + <sect1><title>Device Drivers DMA Management</title> +!Edrivers/base/dma-buf.c +!Edrivers/base/dma-coherent.c +!Edrivers/base/dma-mapping.c + </sect1> <sect1><title>Device Drivers Power Management</title> !Edrivers/base/power/main.c </sect1> @@ -219,7 +227,7 @@ X!Isound/sound_firmware.c <chapter id="uart16x50"> <title>16x50 UART Driver</title> !Edrivers/tty/serial/serial_core.c -!Edrivers/tty/serial/8250.c +!Edrivers/tty/serial/8250/8250.c </chapter> <chapter id="fbdev"> diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt index 10c64c8a13d4f2..41c0c5d1ba145a 100644 --- a/Documentation/driver-model/devres.txt +++ b/Documentation/driver-model/devres.txt @@ -233,6 +233,10 @@ certainly invest a bit more effort into libata core layer). 6. List of managed interfaces ----------------------------- +MEM + devm_kzalloc() + devm_kfree() + IO region devm_request_region() devm_request_mem_region() diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 1bea46a54b1ca2..a0ffac029a0dc7 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -510,3 +510,17 @@ Why: The pci_scan_bus_parented() interface creates a new root bus. The convert to using pci_scan_root_bus() so they can supply a list of bus resources when the bus is created. Who: Bjorn Helgaas <bhelgaas@google.com> + +---------------------------- + +What: The CAP9 SoC family will be removed +When: 3.4 +Files: arch/arm/mach-at91/at91cap9.c + arch/arm/mach-at91/at91cap9_devices.c + arch/arm/mach-at91/include/mach/at91cap9.h + arch/arm/mach-at91/include/mach/at91cap9_matrix.h + arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h + arch/arm/mach-at91/board-cap9adk.c +Why: The code is not actively maintained and platforms are now hard to find. +Who: Nicolas Ferre <nicolas.ferre@atmel.com> + Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> diff --git a/Documentation/input/event-codes.txt b/Documentation/input/event-codes.txt index 23fcb05175be70..53305bd08182da 100644 --- a/Documentation/input/event-codes.txt +++ b/Documentation/input/event-codes.txt @@ -17,11 +17,11 @@ reports supported by a device are also provided by sysfs in class/input/event*/device/capabilities/, and the properties of a device are provided in class/input/event*/device/properties. -Types: -========== -Types are groupings of codes under a logical input construct. Each type has a -set of applicable codes to be used in generating events. See the Codes section -for details on valid codes for each type. +Event types: +=========== +Event types are groupings of codes under a logical input construct. Each +type has a set of applicable codes to be used in generating events. See the +Codes section for details on valid codes for each type. * EV_SYN: - Used as markers to separate events. Events may be separated in time or in @@ -63,9 +63,9 @@ for details on valid codes for each type. * EV_FF_STATUS: - Used to receive force feedback device status. -Codes: -========== -Codes define the precise type of event. +Event codes: +=========== +Event codes define the precise type of event. EV_SYN: ---------- @@ -220,6 +220,56 @@ EV_PWR: EV_PWR events are a special type of event used specifically for power mangement. Its usage is not well defined. To be addressed later. +Device properties: +================= +Normally, userspace sets up an input device based on the data it emits, +i.e., the event types. In the case of two devices emitting the same event +types, additional information can be provided in the form of device +properties. + +INPUT_PROP_DIRECT + INPUT_PROP_POINTER: +-------------------------------------- +The INPUT_PROP_DIRECT property indicates that device coordinates should be +directly mapped to screen coordinates (not taking into account trivial +transformations, such as scaling, flipping and rotating). Non-direct input +devices require non-trivial transformation, such as absolute to relative +transformation for touchpads. Typical direct input devices: touchscreens, +drawing tablets; non-direct devices: touchpads, mice. + +The INPUT_PROP_POINTER property indicates that the device is not transposed +on the screen and thus requires use of an on-screen pointer to trace user's +movements. Typical pointer devices: touchpads, tablets, mice; non-pointer +device: touchscreen. + +If neither INPUT_PROP_DIRECT or INPUT_PROP_POINTER are set, the property is +considered undefined and the device type should be deduced in the +traditional way, using emitted event types. + +INPUT_PROP_BUTTONPAD: +-------------------- +For touchpads where the button is placed beneath the surface, such that +pressing down on the pad causes a button click, this property should be +set. Common in clickpad notebooks and macbooks from 2009 and onwards. + +Originally, the buttonpad property was coded into the bcm5974 driver +version field under the name integrated button. For backwards +compatibility, both methods need to be checked in userspace. + +INPUT_PROP_SEMI_MT: +------------------ +Some touchpads, most common between 2008 and 2011, can detect the presence +of multiple contacts without resolving the individual positions; only the +number of contacts and a rectangular shape is known. For such +touchpads, the semi-mt property should be set. + +Depending on the device, the rectangle may enclose all touches, like a +bounding box, or just some of them, for instance the two most recent +touches. The diversity makes the rectangle of limited use, but some +gestures can normally be extracted from it. + +If INPUT_PROP_SEMI_MT is not set, the device is assumed to be a true MT +device. + Guidelines: ========== The guidelines below ensure proper single-touch and multi-finger functionality. @@ -240,6 +290,8 @@ used to report when a touch is active on the screen. BTN_{MOUSE,LEFT,MIDDLE,RIGHT} must not be reported as the result of touch contact. BTN_TOOL_<name> events should be reported where possible. +For new hardware, INPUT_PROP_DIRECT should be set. + Trackpads: ---------- Legacy trackpads that only provide relative position information must report @@ -250,6 +302,8 @@ location of the touch. BTN_TOUCH should be used to report when a touch is active on the trackpad. Where multi-finger support is available, BTN_TOOL_<name> should be used to report the number of touches active on the trackpad. +For new hardware, INPUT_PROP_POINTER should be set. + Tablets: ---------- BTN_TOOL_<name> events must be reported when a stylus or other tool is active on @@ -260,3 +314,5 @@ button may be used for buttons on the tablet except BTN_{MOUSE,LEFT}. BTN_{0,1,2,etc} are good generic codes for unlabeled buttons. Do not use meaningful buttons, like BTN_FORWARD, unless the button is labeled for that purpose on the device. + +For new hardware, both INPUT_PROP_DIRECT and INPUT_PROP_POINTER should be set. diff --git a/Documentation/pinctrl.txt b/Documentation/pinctrl.txt index 6727b92bc2fb9d..150fd3833d0bfa 100644 --- a/Documentation/pinctrl.txt +++ b/Documentation/pinctrl.txt @@ -857,42 +857,41 @@ case), we define a mapping like this: ... { - .name "2bit" + .name = "2bit" .ctrl_dev_name = "pinctrl-foo", .function = "mmc0", .group = "mmc0_1_grp", .dev_name = "foo-mmc.0", }, { - .name "4bit" + .name = "4bit" .ctrl_dev_name = "pinctrl-foo", .function = "mmc0", .group = "mmc0_1_grp", .dev_name = "foo-mmc.0", }, { - .name "4bit" + .name = "4bit" .ctrl_dev_name = "pinctrl-foo", .function = "mmc0", .group = "mmc0_2_grp", .dev_name = "foo-mmc.0", }, { - .name "8bit" + .name = "8bit" .ctrl_dev_name = "pinctrl-foo", - .function = "mmc0", .group = "mmc0_1_grp", .dev_name = "foo-mmc.0", }, { - .name "8bit" + .name = "8bit" .ctrl_dev_name = "pinctrl-foo", .function = "mmc0", .group = "mmc0_2_grp", .dev_name = "foo-mmc.0", }, { - .name "8bit" + .name = "8bit" .ctrl_dev_name = "pinctrl-foo", .function = "mmc0", .group = "mmc0_3_grp", @@ -995,7 +994,7 @@ This is enabled by simply setting the .hog_on_boot field in the map to true, like this: { - .name "POWERMAP" + .name = "POWERMAP" .ctrl_dev_name = "pinctrl-foo", .function = "power_func", .hog_on_boot = true, @@ -1025,7 +1024,7 @@ it, disables and releases it, and muxes it in on the pins defined by group B: foo_switch() { - struct pinmux pmx; + struct pinmux *pmx; /* Enable on position A */ pmx = pinmux_get(&device, "spi0-pos-A"); diff --git a/Documentation/stable_kernel_rules.txt b/Documentation/stable_kernel_rules.txt index 21fd05c28e738e..f0ab5cf28fcae0 100644 --- a/Documentation/stable_kernel_rules.txt +++ b/Documentation/stable_kernel_rules.txt @@ -25,7 +25,8 @@ Procedure for submitting patches to the -stable tree: - Send the patch, after verifying that it follows the above rules, to stable@vger.kernel.org. You must note the upstream commit ID in the - changelog of your submission. + changelog of your submission, as well as the kernel version you wish + it to be applied to. - To have the patch automatically included in the stable tree, add the tag Cc: stable@vger.kernel.org in the sign-off area. Once the patch is merged it will be applied to diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt index 8c20fbd8b42dd9..6d78841fd41677 100644 --- a/Documentation/sysctl/kernel.txt +++ b/Documentation/sysctl/kernel.txt @@ -601,6 +601,8 @@ can be ORed together: instead of using the one provided by the hardware. 512 - A kernel warning has occurred. 1024 - A module from drivers/staging was loaded. +2048 - The system is working around a severe firmware bug. +4096 - An out-of-tree module has been loaded. ============================================================== diff --git a/Documentation/thermal/sysfs-api.txt b/Documentation/thermal/sysfs-api.txt index b61e46f449aa1e..1733ab947a95d3 100644 --- a/Documentation/thermal/sysfs-api.txt +++ b/Documentation/thermal/sysfs-api.txt @@ -284,7 +284,7 @@ method, the sys I/F structure will be built like this: The framework includes a simple notification mechanism, in the form of a netlink event. Netlink socket initialization is done during the _init_ of the framework. Drivers which intend to use the notification mechanism -just need to call generate_netlink_event() with two arguments viz +just need to call thermal_generate_netlink_event() with two arguments viz (originator, event). Typically the originator will be an integer assigned to a thermal_zone_device when it registers itself with the framework. The event will be one of:{THERMAL_AUX0, THERMAL_AUX1, THERMAL_CRITICAL, diff --git a/Documentation/virtual/00-INDEX b/Documentation/virtual/00-INDEX index 8e601991d91c6b..924bd462675e90 100644 --- a/Documentation/virtual/00-INDEX +++ b/Documentation/virtual/00-INDEX @@ -4,8 +4,6 @@ Virtualization support in the Linux kernel. - this file. kvm/ - Kernel Virtual Machine. See also http://linux-kvm.org -lguest/ - - Extremely simple hypervisor for experimental/educational use. uml/ - User Mode Linux, builds/runs Linux kernel as a userspace program. virtio.txt diff --git a/MAINTAINERS b/MAINTAINERS index 93c68d5f1cf4dc..9a648eb8e2130f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -159,7 +159,7 @@ S: Maintained F: drivers/net/ethernet/realtek/r8169.c 8250/16?50 (AND CLONE UARTS) SERIAL DRIVER -M: Greg Kroah-Hartman <gregkh@suse.de> +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> L: linux-serial@vger.kernel.org W: http://serial.sourceforge.net S: Maintained @@ -789,12 +789,6 @@ F: arch/arm/mach-mx*/ F: arch/arm/mach-imx/ F: arch/arm/plat-mxc/ -ARM/FREESCALE IMX51 -M: Amit Kucheria <amit.kucheria@canonical.com> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained -F: arch/arm/mach-mx5/ - ARM/FREESCALE IMX6 M: Shawn Guo <shawn.guo@linaro.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -1783,9 +1777,9 @@ X: net/wireless/wext* CHAR and MISC DRIVERS M: Arnd Bergmann <arnd@arndb.de> -M: Greg Kroah-Hartman <greg@kroah.com> +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git -S: Maintained +S: Supported F: drivers/char/* F: drivers/misc/* @@ -2287,7 +2281,7 @@ F: drivers/acpi/dock.c DOCUMENTATION M: Randy Dunlap <rdunlap@xenotime.net> L: linux-doc@vger.kernel.org -T: quilt http://userweb.kernel.org/~rdunlap/kernel-doc-patches/current/ +T: quilt http://xenotime.net/kernel-doc-patches/current/ S: Maintained F: Documentation/ @@ -2320,7 +2314,7 @@ F: lib/lru_cache.c F: Documentation/blockdev/drbd/ DRIVER CORE, KOBJECTS, DEBUGFS AND SYSFS -M: Greg Kroah-Hartman <gregkh@suse.de> +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6.git S: Supported F: Documentation/kobject.txt @@ -2350,6 +2344,9 @@ F: include/drm/i915* DRM DRIVERS FOR EXYNOS M: Inki Dae <inki.dae@samsung.com> +M: Joonyoung Shim <jy0922.shim@samsung.com> +M: Seung-Woo Kim <sw0312.kim@samsung.com> +M: Kyungmin Park <kyungmin.park@samsung.com> L: dri-devel@lists.freedesktop.org S: Supported F: drivers/gpu/drm/exynos @@ -2402,7 +2399,7 @@ F: net/bridge/netfilter/ebt*.c ECRYPT FILE SYSTEM M: Tyler Hicks <tyhicks@canonical.com> -M: Dustin Kirkland <kirkland@canonical.com> +M: Dustin Kirkland <dustin.kirkland@gazzang.com> L: ecryptfs@vger.kernel.org W: https://launchpad.net/ecryptfs S: Supported @@ -3321,6 +3318,12 @@ S: Maintained F: net/ieee802154/ F: drivers/ieee802154/ +IIO SUBSYSTEM AND DRIVERS +M: Jonathan Cameron <jic23@cam.ac.uk> +L: linux-iio@vger.kernel.org +S: Maintained +F: drivers/staging/iio/ + IKANOS/ADI EAGLE ADSL USB DRIVER M: Matthieu Castet <castet.matthieu@free.fr> M: Stanislaw Gruszka <stf_xl@wp.pl> @@ -3989,11 +3992,11 @@ M: Rusty Russell <rusty@rustcorp.com.au> L: lguest@lists.ozlabs.org W: http://lguest.ozlabs.org/ S: Odd Fixes -F: Documentation/virtual/lguest/ +F: arch/x86/include/asm/lguest*.h F: arch/x86/lguest/ F: drivers/lguest/ F: include/linux/lguest*.h -F: arch/x86/include/asm/lguest*.h +F: tools/lguest/ LINUX FOR IBM pSERIES (RS/6000) M: Paul Mackerras <paulus@au.ibm.com> @@ -4133,10 +4136,11 @@ L: linux-ntfs-dev@lists.sourceforge.net W: http://www.linux-ntfs.org/content/view/19/37/ S: Maintained F: Documentation/ldm.txt -F: fs/partitions/ldm.* +F: block/partitions/ldm.* LogFS M: Joern Engel <joern@logfs.org> +M: Prasad Joshi <prasadjoshi.linux@gmail.com> L: logfs@logfs.org W: logfs.org S: Maintained @@ -4278,13 +4282,6 @@ S: Orphan F: drivers/video/matrox/matroxfb_* F: include/linux/matroxfb.h -MAX1668 TEMPERATURE SENSOR DRIVER -M: "David George" <david.george@ska.ac.za> -L: lm-sensors@lm-sensors.org -S: Maintained -F: Documentation/hwmon/max1668 -F: drivers/hwmon/max1668.c - MAX6650 HARDWARE MONITOR AND FAN CONTROLLER DRIVER M: "Hans J. Koch" <hjk@hansjkoch.de> L: lm-sensors@lm-sensors.org @@ -5636,7 +5633,7 @@ W: http://www.ibm.com/developerworks/linux/linux390/ S: Supported F: arch/s390/ F: drivers/s390/ -F: fs/partitions/ibm.c +F: block/partitions/ibm.c F: Documentation/s390/ F: Documentation/DocBook/s390* @@ -6279,15 +6276,15 @@ S: Maintained F: arch/alpha/kernel/srm_env.c STABLE BRANCH -M: Greg Kroah-Hartman <greg@kroah.com> +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> L: stable@vger.kernel.org -S: Maintained +S: Supported STAGING SUBSYSTEM -M: Greg Kroah-Hartman <gregkh@suse.de> +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git L: devel@driverdev.osuosl.org -S: Maintained +S: Supported F: drivers/staging/ STAGING - AGERE HERMES II and II.5 WIRELESS DRIVERS @@ -6399,11 +6396,6 @@ M: Omar Ramirez Luna <omar.ramirez@ti.com> S: Odd Fixes F: drivers/staging/tidspbridge/ -STAGING - TRIDENT TVMASTER TMxxxx USB VIDEO CAPTURE DRIVERS -L: linux-media@vger.kernel.org -S: Odd Fixes -F: drivers/staging/tm6000/ - STAGING - USB ENE SM/MS CARD READER DRIVER M: Al Cho <acho@novell.com> S: Odd Fixes @@ -6672,10 +6664,10 @@ S: Maintained K: ^Subject:.*(?i)trivial TTY LAYER -M: Greg Kroah-Hartman <gregkh@suse.de> -S: Maintained +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +S: Supported T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6.git -F: drivers/tty/* +F: drivers/tty/ F: drivers/tty/serial/serial_core.c F: include/linux/serial_core.h F: include/linux/serial.h @@ -6961,7 +6953,7 @@ S: Maintained F: drivers/usb/serial/digi_acceleport.c USB SERIAL DRIVER -M: Greg Kroah-Hartman <gregkh@suse.de> +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> L: linux-usb@vger.kernel.org S: Supported F: Documentation/usb/usb-serial.txt @@ -6976,9 +6968,8 @@ S: Maintained F: drivers/usb/serial/empeg.c USB SERIAL KEYSPAN DRIVER -M: Greg Kroah-Hartman <greg@kroah.com> +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> L: linux-usb@vger.kernel.org -W: http://www.kroah.com/linux/ S: Maintained F: drivers/usb/serial/*keyspan* @@ -7006,7 +6997,7 @@ F: Documentation/video4linux/sn9c102.txt F: drivers/media/video/sn9c102/ USB SUBSYSTEM -M: Greg Kroah-Hartman <gregkh@suse.de> +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> L: linux-usb@vger.kernel.org W: http://www.linux-usb.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6.git @@ -7093,7 +7084,7 @@ F: fs/hppfs/ USERSPACE I/O (UIO) M: "Hans J. Koch" <hjk@hansjkoch.de> -M: Greg Kroah-Hartman <gregkh@suse.de> +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> S: Maintained F: Documentation/DocBook/uio-howto.tmpl F: drivers/uio/ @@ -7368,6 +7359,7 @@ S: Supported F: Documentation/hwmon/wm83?? F: arch/arm/mach-s3c64xx/mach-crag6410* F: drivers/leds/leds-wm83*.c +F: drivers/hwmon/wm83??-hwmon.c F: drivers/input/misc/wm831x-on.c F: drivers/input/touchscreen/wm831x-ts.c F: drivers/input/touchscreen/wm97*.c diff --git a/Makefile b/Makefile index 71e6ed21dd1525..7c44b676b77a95 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 3 SUBLEVEL = 0 -EXTRAVERSION = -rc1 +EXTRAVERSION = -rc3 NAME = Saber-toothed Squirrel # *DOCUMENTATION* diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 24626b0419ee97..a48aecc17eacc2 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -754,7 +754,7 @@ config ARCH_SA1100 select ARCH_HAS_CPUFREQ select CPU_FREQ select GENERIC_CLOCKEVENTS - select CLKDEV_LOOKUP + select HAVE_CLK select HAVE_SCHED_CLOCK select TICK_ONESHOT select ARCH_REQUIRE_GPIOLIB @@ -825,7 +825,6 @@ config ARCH_S5PC100 select HAVE_CLK select CLKDEV_LOOKUP select CPU_V7 - select ARM_L1_CACHE_SHIFT_6 select ARCH_USES_GETTIMEOFFSET select HAVE_S3C2410_I2C if I2C select HAVE_S3C_RTC if RTC_CLASS @@ -842,7 +841,6 @@ config ARCH_S5PV210 select HAVE_CLK select CLKDEV_LOOKUP select CLKSRC_MMIO - select ARM_L1_CACHE_SHIFT_6 select ARCH_HAS_CPUFREQ select GENERIC_CLOCKEVENTS select HAVE_SCHED_CLOCK diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index b2dc2dd7f1df6d..c47d6199b784c1 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -41,6 +41,7 @@ #include <asm/irq.h> #include <asm/exception.h> +#include <asm/smp_plat.h> #include <asm/mach/irq.h> #include <asm/hardware/gic.h> @@ -352,11 +353,7 @@ static void __init gic_dist_init(struct gic_chip_data *gic) unsigned int gic_irqs = gic->gic_irqs; struct irq_domain *domain = &gic->domain; void __iomem *base = gic_data_dist_base(gic); - u32 cpu = 0; - -#ifdef CONFIG_SMP - cpu = cpu_logical_map(smp_processor_id()); -#endif + u32 cpu = cpu_logical_map(smp_processor_id()); cpumask = 1 << cpu; cpumask |= cpumask << 8; diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index b6e65dedfd716d..62f8095d46de8f 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -237,7 +237,7 @@ */ #ifdef CONFIG_THUMB2_KERNEL - .macro usraccoff, instr, reg, ptr, inc, off, cond, abort, t=T() + .macro usraccoff, instr, reg, ptr, inc, off, cond, abort, t=TUSER() 9999: .if \inc == 1 \instr\cond\()b\()\t\().w \reg, [\ptr, #\off] @@ -277,7 +277,7 @@ #else /* !CONFIG_THUMB2_KERNEL */ - .macro usracc, instr, reg, ptr, inc, cond, rept, abort, t=T() + .macro usracc, instr, reg, ptr, inc, cond, rept, abort, t=TUSER() .rept \rept 9999: .if \inc == 1 diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h index af18ceaacf5d2e..b5dc173d336f93 100644 --- a/arch/arm/include/asm/domain.h +++ b/arch/arm/include/asm/domain.h @@ -83,9 +83,9 @@ * instructions (inline assembly) */ #ifdef CONFIG_CPU_USE_DOMAINS -#define T(instr) #instr "t" +#define TUSER(instr) #instr "t" #else -#define T(instr) #instr +#define TUSER(instr) #instr #endif #else /* __ASSEMBLY__ */ @@ -95,9 +95,9 @@ * instructions */ #ifdef CONFIG_CPU_USE_DOMAINS -#define T(instr) instr ## t +#define TUSER(instr) instr ## t #else -#define T(instr) instr +#define TUSER(instr) instr #endif #endif /* __ASSEMBLY__ */ diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h index 253cc86318bf84..7be54690aeec0f 100644 --- a/arch/arm/include/asm/futex.h +++ b/arch/arm/include/asm/futex.h @@ -75,9 +75,9 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, #define __futex_atomic_op(insn, ret, oldval, tmp, uaddr, oparg) \ __asm__ __volatile__( \ - "1: " T(ldr) " %1, [%3]\n" \ + "1: " TUSER(ldr) " %1, [%3]\n" \ " " insn "\n" \ - "2: " T(str) " %0, [%3]\n" \ + "2: " TUSER(str) " %0, [%3]\n" \ " mov %0, #0\n" \ __futex_atomic_ex_table("%5") \ : "=&r" (ret), "=&r" (oldval), "=&r" (tmp) \ @@ -95,10 +95,10 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, return -EFAULT; __asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n" - "1: " T(ldr) " %1, [%4]\n" + "1: " TUSER(ldr) " %1, [%4]\n" " teq %1, %2\n" " it eq @ explicit IT needed for the 2b label\n" - "2: " T(streq) " %3, [%4]\n" + "2: " TUSER(streq) " %3, [%4]\n" __futex_atomic_ex_table("%5") : "+r" (ret), "=&r" (val) : "r" (oldval), "r" (newval), "r" (uaddr), "Ir" (-EFAULT) diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h index 1e5717afc4ac00..ae29293270a3d8 100644 --- a/arch/arm/include/asm/smp.h +++ b/arch/arm/include/asm/smp.h @@ -71,12 +71,6 @@ extern void platform_secondary_init(unsigned int cpu); extern void platform_smp_prepare_cpus(unsigned int); /* - * Logical CPU mapping. - */ -extern int __cpu_logical_map[NR_CPUS]; -#define cpu_logical_map(cpu) __cpu_logical_map[cpu] - -/* * Initial data for bringing up a secondary CPU. */ struct secondary_data { diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h index f24c1b9e211dd1..558d6c80aca9cc 100644 --- a/arch/arm/include/asm/smp_plat.h +++ b/arch/arm/include/asm/smp_plat.h @@ -43,4 +43,10 @@ static inline int cache_ops_need_broadcast(void) } #endif +/* + * Logical CPU mapping. + */ +extern int __cpu_logical_map[]; +#define cpu_logical_map(cpu) __cpu_logical_map[cpu] + #endif diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index 5d3ed7e38561dd..314d4664eae7d9 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -198,7 +198,15 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) { pgtable_page_dtor(pte); - tlb_add_flush(tlb, addr); + + /* + * With the classic ARM MMU, a pte page has two corresponding pmd + * entries, each covering 1MB. + */ + addr &= PMD_MASK; + tlb_add_flush(tlb, addr + SZ_1M - PAGE_SIZE); + tlb_add_flush(tlb, addr + SZ_1M); + tlb_remove_page(tlb, pte); } diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h index b293616a1a1a8d..2958976d867b4b 100644 --- a/arch/arm/include/asm/uaccess.h +++ b/arch/arm/include/asm/uaccess.h @@ -227,7 +227,7 @@ do { \ #define __get_user_asm_byte(x,addr,err) \ __asm__ __volatile__( \ - "1: " T(ldrb) " %1,[%2],#0\n" \ + "1: " TUSER(ldrb) " %1,[%2],#0\n" \ "2:\n" \ " .pushsection .fixup,\"ax\"\n" \ " .align 2\n" \ @@ -263,7 +263,7 @@ do { \ #define __get_user_asm_word(x,addr,err) \ __asm__ __volatile__( \ - "1: " T(ldr) " %1,[%2],#0\n" \ + "1: " TUSER(ldr) " %1,[%2],#0\n" \ "2:\n" \ " .pushsection .fixup,\"ax\"\n" \ " .align 2\n" \ @@ -308,7 +308,7 @@ do { \ #define __put_user_asm_byte(x,__pu_addr,err) \ __asm__ __volatile__( \ - "1: " T(strb) " %1,[%2],#0\n" \ + "1: " TUSER(strb) " %1,[%2],#0\n" \ "2:\n" \ " .pushsection .fixup,\"ax\"\n" \ " .align 2\n" \ @@ -341,7 +341,7 @@ do { \ #define __put_user_asm_word(x,__pu_addr,err) \ __asm__ __volatile__( \ - "1: " T(str) " %1,[%2],#0\n" \ + "1: " TUSER(str) " %1,[%2],#0\n" \ "2:\n" \ " .pushsection .fixup,\"ax\"\n" \ " .align 2\n" \ @@ -366,10 +366,10 @@ do { \ #define __put_user_asm_dword(x,__pu_addr,err) \ __asm__ __volatile__( \ - ARM( "1: " T(str) " " __reg_oper1 ", [%1], #4\n" ) \ - ARM( "2: " T(str) " " __reg_oper0 ", [%1]\n" ) \ - THUMB( "1: " T(str) " " __reg_oper1 ", [%1]\n" ) \ - THUMB( "2: " T(str) " " __reg_oper0 ", [%1, #4]\n" ) \ + ARM( "1: " TUSER(str) " " __reg_oper1 ", [%1], #4\n" ) \ + ARM( "2: " TUSER(str) " " __reg_oper0 ", [%1]\n" ) \ + THUMB( "1: " TUSER(str) " " __reg_oper1 ", [%1]\n" ) \ + THUMB( "2: " TUSER(str) " " __reg_oper0 ", [%1, #4]\n" ) \ "3:\n" \ " .pushsection .fixup,\"ax\"\n" \ " .align 2\n" \ diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 3a456c6c70056f..be16a48007b4b7 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -790,7 +790,7 @@ __kuser_cmpxchg64: @ 0xffff0f60 smp_dmb arm rsbs r0, r3, #0 @ set returned val and C flag ldmfd sp!, {r4, r5, r6, r7} - bx lr + usr_ret lr #elif !defined(CONFIG_SMP) diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 520889cf1b5bfd..9fd0ba90c1d29f 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -149,6 +149,11 @@ ENDPROC(ret_from_fork) #endif #endif +.macro mcount_adjust_addr rd, rn + bic \rd, \rn, #1 @ clear the Thumb bit if present + sub \rd, \rd, #MCOUNT_INSN_SIZE +.endm + .macro __mcount suffix mcount_enter ldr r0, =ftrace_trace_function @@ -173,8 +178,7 @@ ENDPROC(ret_from_fork) mcount_exit 1: mcount_get_lr r1 @ lr of instrumented func - mov r0, lr @ instrumented function - sub r0, r0, #MCOUNT_INSN_SIZE + mcount_adjust_addr r0, lr @ instrumented function adr lr, BSYM(2f) mov pc, r2 2: mcount_exit @@ -184,8 +188,7 @@ ENDPROC(ret_from_fork) mcount_enter mcount_get_lr r1 @ lr of instrumented func - mov r0, lr @ instrumented function - sub r0, r0, #MCOUNT_INSN_SIZE + mcount_adjust_addr r0, lr @ instrumented function .globl ftrace_call\suffix ftrace_call\suffix: @@ -205,11 +208,11 @@ ftrace_graph_call\suffix: #ifdef CONFIG_DYNAMIC_FTRACE @ called from __ftrace_caller, saved in mcount_enter ldr r1, [sp, #16] @ instrumented routine (func) + mcount_adjust_addr r1, r1 #else @ called from __mcount, untouched in lr - mov r1, lr @ instrumented routine (func) + mcount_adjust_addr r1, lr @ instrumented routine (func) #endif - sub r1, r1, #MCOUNT_INSN_SIZE mov r2, fp @ frame pointer bl prepare_ftrace_return mcount_exit diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c index 460bbbb6b88536..6933244c68f964 100644 --- a/arch/arm/kernel/perf_event_v7.c +++ b/arch/arm/kernel/perf_event_v7.c @@ -469,6 +469,20 @@ static const unsigned armv7_a5_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, }, }, + [C(NODE)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, }; /* @@ -579,6 +593,20 @@ static const unsigned armv7_a15_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, }, }, + [C(NODE)] = { + [C(OP_READ)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_WRITE)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + [C(OP_PREFETCH)] = { + [C(RESULT_ACCESS)] = CACHE_OP_UNSUPPORTED, + [C(RESULT_MISS)] = CACHE_OP_UNSUPPORTED, + }, + }, }; /* diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index e1d5e1929fbd6a..e33870ff0ac092 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -699,10 +699,13 @@ static int vfp_set(struct task_struct *target, { int ret; struct thread_info *thread = task_thread_info(target); - struct vfp_hard_struct new_vfp = thread->vfpstate.hard; + struct vfp_hard_struct new_vfp; const size_t user_fpregs_offset = offsetof(struct user_vfp, fpregs); const size_t user_fpscr_offset = offsetof(struct user_vfp, fpscr); + vfp_sync_hwstate(thread); + new_vfp = thread->vfpstate.hard; + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &new_vfp.fpregs, user_fpregs_offset, @@ -723,9 +726,8 @@ static int vfp_set(struct task_struct *target, if (ret) return ret; - vfp_sync_hwstate(thread); - thread->vfpstate.hard = new_vfp; vfp_flush_hwstate(thread); + thread->vfpstate.hard = new_vfp; return 0; } diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 129fbd55bde856..a255c39612ca3c 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -21,7 +21,6 @@ #include <linux/init.h> #include <linux/kexec.h> #include <linux/of_fdt.h> -#include <linux/crash_dump.h> #include <linux/root_dev.h> #include <linux/cpu.h> #include <linux/interrupt.h> @@ -160,7 +159,7 @@ static struct resource mem_res[] = { .flags = IORESOURCE_MEM }, { - .name = "Kernel text", + .name = "Kernel code", .start = 0, .end = 0, .flags = IORESOURCE_MEM @@ -427,6 +426,20 @@ void cpu_init(void) : "r14"); } +int __cpu_logical_map[NR_CPUS]; + +void __init smp_setup_processor_id(void) +{ + int i; + u32 cpu = is_smp() ? read_cpuid_mpidr() & 0xff : 0; + + cpu_logical_map(0) = cpu; + for (i = 1; i < NR_CPUS; ++i) + cpu_logical_map(i) = i == cpu ? 0 : i; + + printk(KERN_INFO "Booting Linux on physical CPU %d\n", cpu); +} + static void __init setup_processor(void) { struct proc_info_list *list; diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 0340224cf73c5c..9e617bd4a14625 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -227,6 +227,8 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame) if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE) return -EINVAL; + vfp_flush_hwstate(thread); + /* * Copy the floating point registers. There can be unused * registers see asm/hwcap.h for details. @@ -251,9 +253,6 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame) __get_user_error(h->fpinst, &frame->ufp_exc.fpinst, err); __get_user_error(h->fpinst2, &frame->ufp_exc.fpinst2, err); - if (!err) - vfp_flush_hwstate(thread); - return err ? -EFAULT : 0; } diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 57db122a4f629b..cdeb727527d397 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -233,20 +233,6 @@ void __ref cpu_die(void) } #endif /* CONFIG_HOTPLUG_CPU */ -int __cpu_logical_map[NR_CPUS]; - -void __init smp_setup_processor_id(void) -{ - int i; - u32 cpu = is_smp() ? read_cpuid_mpidr() & 0xff : 0; - - cpu_logical_map(0) = cpu; - for (i = 1; i < NR_CPUS; ++i) - cpu_logical_map(i) = i == cpu ? 0 : i; - - printk(KERN_INFO "Booting Linux on physical CPU %d\n", cpu); -} - /* * Called by both boot and secondaries to move global data into * per-processor storage. @@ -443,9 +429,7 @@ static DEFINE_PER_CPU(struct clock_event_device, percpu_clockevent); static void ipi_timer(void) { struct clock_event_device *evt = &__get_cpu_var(percpu_clockevent); - irq_enter(); evt->event_handler(evt); - irq_exit(); } #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST @@ -548,7 +532,9 @@ void handle_IPI(int ipinr, struct pt_regs *regs) switch (ipinr) { case IPI_TIMER: + irq_enter(); ipi_timer(); + irq_exit(); break; case IPI_RESCHEDULE: @@ -556,15 +542,21 @@ void handle_IPI(int ipinr, struct pt_regs *regs) break; case IPI_CALL_FUNC: + irq_enter(); generic_smp_call_function_interrupt(); + irq_exit(); break; case IPI_CALL_FUNC_SINGLE: + irq_enter(); generic_smp_call_function_single_interrupt(); + irq_exit(); break; case IPI_CPU_STOP: + irq_enter(); ipi_cpu_stop(cpu); + irq_exit(); break; default: diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index c8e938553d4780..4285daa077b0b8 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -252,6 +252,8 @@ void __cpuinit twd_timer_setup(struct clock_event_device *clk) else twd_calibrate_rate(); + __raw_writel(0, twd_base + TWD_TIMER_CONTROL); + clk->name = "local_timer"; clk->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_C3STOP; diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index f76e75548670e9..1e19691e040650 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -4,6 +4,7 @@ */ #include <asm-generic/vmlinux.lds.h> +#include <asm/cache.h> #include <asm/thread_info.h> #include <asm/memory.h> #include <asm/page.h> @@ -181,7 +182,7 @@ SECTIONS } #endif - PERCPU_SECTION(32) + PERCPU_SECTION(L1_CACHE_BYTES) #ifdef CONFIG_XIP_KERNEL __data_loc = ALIGN(4); /* location in binary */ @@ -212,13 +213,13 @@ SECTIONS #endif NOSAVE_DATA - CACHELINE_ALIGNED_DATA(32) - READ_MOSTLY_DATA(32) + CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES) + READ_MOSTLY_DATA(L1_CACHE_BYTES) /* * The exception fixup table (might need resorting at runtime) */ - . = ALIGN(32); + . = ALIGN(4); __start___ex_table = .; #ifdef CONFIG_MMU *(__ex_table) diff --git a/arch/arm/lib/getuser.S b/arch/arm/lib/getuser.S index 1b049cd7a49a8b..11093a7c3e3228 100644 --- a/arch/arm/lib/getuser.S +++ b/arch/arm/lib/getuser.S @@ -31,18 +31,18 @@ #include <asm/domain.h> ENTRY(__get_user_1) -1: T(ldrb) r2, [r0] +1: TUSER(ldrb) r2, [r0] mov r0, #0 mov pc, lr ENDPROC(__get_user_1) ENTRY(__get_user_2) #ifdef CONFIG_THUMB2_KERNEL -2: T(ldrb) r2, [r0] -3: T(ldrb) r3, [r0, #1] +2: TUSER(ldrb) r2, [r0] +3: TUSER(ldrb) r3, [r0, #1] #else -2: T(ldrb) r2, [r0], #1 -3: T(ldrb) r3, [r0] +2: TUSER(ldrb) r2, [r0], #1 +3: TUSER(ldrb) r3, [r0] #endif #ifndef __ARMEB__ orr r2, r2, r3, lsl #8 @@ -54,7 +54,7 @@ ENTRY(__get_user_2) ENDPROC(__get_user_2) ENTRY(__get_user_4) -4: T(ldr) r2, [r0] +4: TUSER(ldr) r2, [r0] mov r0, #0 mov pc, lr ENDPROC(__get_user_4) diff --git a/arch/arm/lib/putuser.S b/arch/arm/lib/putuser.S index c023fc11e86c7b..7db25990c589f3 100644 --- a/arch/arm/lib/putuser.S +++ b/arch/arm/lib/putuser.S @@ -31,7 +31,7 @@ #include <asm/domain.h> ENTRY(__put_user_1) -1: T(strb) r2, [r0] +1: TUSER(strb) r2, [r0] mov r0, #0 mov pc, lr ENDPROC(__put_user_1) @@ -40,19 +40,19 @@ ENTRY(__put_user_2) mov ip, r2, lsr #8 #ifdef CONFIG_THUMB2_KERNEL #ifndef __ARMEB__ -2: T(strb) r2, [r0] -3: T(strb) ip, [r0, #1] +2: TUSER(strb) r2, [r0] +3: TUSER(strb) ip, [r0, #1] #else -2: T(strb) ip, [r0] -3: T(strb) r2, [r0, #1] +2: TUSER(strb) ip, [r0] +3: TUSER(strb) r2, [r0, #1] #endif #else /* !CONFIG_THUMB2_KERNEL */ #ifndef __ARMEB__ -2: T(strb) r2, [r0], #1 -3: T(strb) ip, [r0] +2: TUSER(strb) r2, [r0], #1 +3: TUSER(strb) ip, [r0] #else -2: T(strb) ip, [r0], #1 -3: T(strb) r2, [r0] +2: TUSER(strb) ip, [r0], #1 +3: TUSER(strb) r2, [r0] #endif #endif /* CONFIG_THUMB2_KERNEL */ mov r0, #0 @@ -60,18 +60,18 @@ ENTRY(__put_user_2) ENDPROC(__put_user_2) ENTRY(__put_user_4) -4: T(str) r2, [r0] +4: TUSER(str) r2, [r0] mov r0, #0 mov pc, lr ENDPROC(__put_user_4) ENTRY(__put_user_8) #ifdef CONFIG_THUMB2_KERNEL -5: T(str) r2, [r0] -6: T(str) r3, [r0, #4] +5: TUSER(str) r2, [r0] +6: TUSER(str) r3, [r0, #4] #else -5: T(str) r2, [r0], #4 -6: T(str) r3, [r0] +5: TUSER(str) r2, [r0], #4 +6: TUSER(str) r3, [r0] #endif mov r0, #0 mov pc, lr diff --git a/arch/arm/lib/uaccess.S b/arch/arm/lib/uaccess.S index d0ece2aeb70dfc..5c908b1cb8ed5d 100644 --- a/arch/arm/lib/uaccess.S +++ b/arch/arm/lib/uaccess.S @@ -32,11 +32,11 @@ rsb ip, ip, #4 cmp ip, #2 ldrb r3, [r1], #1 -USER( T(strb) r3, [r0], #1) @ May fault +USER( TUSER( strb) r3, [r0], #1) @ May fault ldrgeb r3, [r1], #1 -USER( T(strgeb) r3, [r0], #1) @ May fault +USER( TUSER( strgeb) r3, [r0], #1) @ May fault ldrgtb r3, [r1], #1 -USER( T(strgtb) r3, [r0], #1) @ May fault +USER( TUSER( strgtb) r3, [r0], #1) @ May fault sub r2, r2, ip b .Lc2u_dest_aligned @@ -59,7 +59,7 @@ ENTRY(__copy_to_user) addmi ip, r2, #4 bmi .Lc2u_0nowords ldr r3, [r1], #4 -USER( T(str) r3, [r0], #4) @ May fault +USER( TUSER( str) r3, [r0], #4) @ May fault mov ip, r0, lsl #32 - PAGE_SHIFT @ On each page, use a ld/st??t instruction rsb ip, ip, #0 movs ip, ip, lsr #32 - PAGE_SHIFT @@ -88,18 +88,18 @@ USER( T(str) r3, [r0], #4) @ May fault stmneia r0!, {r3 - r4} @ Shouldnt fault tst ip, #4 ldrne r3, [r1], #4 - T(strne) r3, [r0], #4 @ Shouldnt fault + TUSER( strne) r3, [r0], #4 @ Shouldnt fault ands ip, ip, #3 beq .Lc2u_0fupi .Lc2u_0nowords: teq ip, #0 beq .Lc2u_finished .Lc2u_nowords: cmp ip, #2 ldrb r3, [r1], #1 -USER( T(strb) r3, [r0], #1) @ May fault +USER( TUSER( strb) r3, [r0], #1) @ May fault ldrgeb r3, [r1], #1 -USER( T(strgeb) r3, [r0], #1) @ May fault +USER( TUSER( strgeb) r3, [r0], #1) @ May fault ldrgtb r3, [r1], #1 -USER( T(strgtb) r3, [r0], #1) @ May fault +USER( TUSER( strgtb) r3, [r0], #1) @ May fault b .Lc2u_finished .Lc2u_not_enough: @@ -120,7 +120,7 @@ USER( T(strgtb) r3, [r0], #1) @ May fault mov r3, r7, pull #8 ldr r7, [r1], #4 orr r3, r3, r7, push #24 -USER( T(str) r3, [r0], #4) @ May fault +USER( TUSER( str) r3, [r0], #4) @ May fault mov ip, r0, lsl #32 - PAGE_SHIFT rsb ip, ip, #0 movs ip, ip, lsr #32 - PAGE_SHIFT @@ -155,18 +155,18 @@ USER( T(str) r3, [r0], #4) @ May fault movne r3, r7, pull #8 ldrne r7, [r1], #4 orrne r3, r3, r7, push #24 - T(strne) r3, [r0], #4 @ Shouldnt fault + TUSER( strne) r3, [r0], #4 @ Shouldnt fault ands ip, ip, #3 beq .Lc2u_1fupi .Lc2u_1nowords: mov r3, r7, get_byte_1 teq ip, #0 beq .Lc2u_finished cmp ip, #2 -USER( T(strb) r3, [r0], #1) @ May fault +USER( TUSER( strb) r3, [r0], #1) @ May fault movge r3, r7, get_byte_2 -USER( T(strgeb) r3, [r0], #1) @ May fault +USER( TUSER( strgeb) r3, [r0], #1) @ May fault movgt r3, r7, get_byte_3 -USER( T(strgtb) r3, [r0], #1) @ May fault +USER( TUSER( strgtb) r3, [r0], #1) @ May fault b .Lc2u_finished .Lc2u_2fupi: subs r2, r2, #4 @@ -175,7 +175,7 @@ USER( T(strgtb) r3, [r0], #1) @ May fault mov r3, r7, pull #16 ldr r7, [r1], #4 orr r3, r3, r7, push #16 -USER( T(str) r3, [r0], #4) @ May fault +USER( TUSER( str) r3, [r0], #4) @ May fault mov ip, r0, lsl #32 - PAGE_SHIFT rsb ip, ip, #0 movs ip, ip, lsr #32 - PAGE_SHIFT @@ -210,18 +210,18 @@ USER( T(str) r3, [r0], #4) @ May fault movne r3, r7, pull #16 ldrne r7, [r1], #4 orrne r3, r3, r7, push #16 - T(strne) r3, [r0], #4 @ Shouldnt fault + TUSER( strne) r3, [r0], #4 @ Shouldnt fault ands ip, ip, #3 beq .Lc2u_2fupi .Lc2u_2nowords: mov r3, r7, get_byte_2 teq ip, #0 beq .Lc2u_finished cmp ip, #2 -USER( T(strb) r3, [r0], #1) @ May fault +USER( TUSER( strb) r3, [r0], #1) @ May fault movge r3, r7, get_byte_3 -USER( T(strgeb) r3, [r0], #1) @ May fault +USER( TUSER( strgeb) r3, [r0], #1) @ May fault ldrgtb r3, [r1], #0 -USER( T(strgtb) r3, [r0], #1) @ May fault +USER( TUSER( strgtb) r3, [r0], #1) @ May fault b .Lc2u_finished .Lc2u_3fupi: subs r2, r2, #4 @@ -230,7 +230,7 @@ USER( T(strgtb) r3, [r0], #1) @ May fault mov r3, r7, pull #24 ldr r7, [r1], #4 orr r3, r3, r7, push #8 -USER( T(str) r3, [r0], #4) @ May fault +USER( TUSER( str) r3, [r0], #4) @ May fault mov ip, r0, lsl #32 - PAGE_SHIFT rsb ip, ip, #0 movs ip, ip, lsr #32 - PAGE_SHIFT @@ -265,18 +265,18 @@ USER( T(str) r3, [r0], #4) @ May fault movne r3, r7, pull #24 ldrne r7, [r1], #4 orrne r3, r3, r7, push #8 - T(strne) r3, [r0], #4 @ Shouldnt fault + TUSER( strne) r3, [r0], #4 @ Shouldnt fault ands ip, ip, #3 beq .Lc2u_3fupi .Lc2u_3nowords: mov r3, r7, get_byte_3 teq ip, #0 beq .Lc2u_finished cmp ip, #2 -USER( T(strb) r3, [r0], #1) @ May fault +USER( TUSER( strb) r3, [r0], #1) @ May fault ldrgeb r3, [r1], #1 -USER( T(strgeb) r3, [r0], #1) @ May fault +USER( TUSER( strgeb) r3, [r0], #1) @ May fault ldrgtb r3, [r1], #0 -USER( T(strgtb) r3, [r0], #1) @ May fault +USER( TUSER( strgtb) r3, [r0], #1) @ May fault b .Lc2u_finished ENDPROC(__copy_to_user) @@ -295,11 +295,11 @@ ENDPROC(__copy_to_user) .Lcfu_dest_not_aligned: rsb ip, ip, #4 cmp ip, #2 -USER( T(ldrb) r3, [r1], #1) @ May fault +USER( TUSER( ldrb) r3, [r1], #1) @ May fault strb r3, [r0], #1 -USER( T(ldrgeb) r3, [r1], #1) @ May fault +USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault strgeb r3, [r0], #1 -USER( T(ldrgtb) r3, [r1], #1) @ May fault +USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault strgtb r3, [r0], #1 sub r2, r2, ip b .Lcfu_dest_aligned @@ -322,7 +322,7 @@ ENTRY(__copy_from_user) .Lcfu_0fupi: subs r2, r2, #4 addmi ip, r2, #4 bmi .Lcfu_0nowords -USER( T(ldr) r3, [r1], #4) +USER( TUSER( ldr) r3, [r1], #4) str r3, [r0], #4 mov ip, r1, lsl #32 - PAGE_SHIFT @ On each page, use a ld/st??t instruction rsb ip, ip, #0 @@ -351,18 +351,18 @@ USER( T(ldr) r3, [r1], #4) ldmneia r1!, {r3 - r4} @ Shouldnt fault stmneia r0!, {r3 - r4} tst ip, #4 - T(ldrne) r3, [r1], #4 @ Shouldnt fault + TUSER( ldrne) r3, [r1], #4 @ Shouldnt fault strne r3, [r0], #4 ands ip, ip, #3 beq .Lcfu_0fupi .Lcfu_0nowords: teq ip, #0 beq .Lcfu_finished .Lcfu_nowords: cmp ip, #2 -USER( T(ldrb) r3, [r1], #1) @ May fault +USER( TUSER( ldrb) r3, [r1], #1) @ May fault strb r3, [r0], #1 -USER( T(ldrgeb) r3, [r1], #1) @ May fault +USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault strgeb r3, [r0], #1 -USER( T(ldrgtb) r3, [r1], #1) @ May fault +USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault strgtb r3, [r0], #1 b .Lcfu_finished @@ -375,7 +375,7 @@ USER( T(ldrgtb) r3, [r1], #1) @ May fault .Lcfu_src_not_aligned: bic r1, r1, #3 -USER( T(ldr) r7, [r1], #4) @ May fault +USER( TUSER( ldr) r7, [r1], #4) @ May fault cmp ip, #2 bgt .Lcfu_3fupi beq .Lcfu_2fupi @@ -383,7 +383,7 @@ USER( T(ldr) r7, [r1], #4) @ May fault addmi ip, r2, #4 bmi .Lcfu_1nowords mov r3, r7, pull #8 -USER( T(ldr) r7, [r1], #4) @ May fault +USER( TUSER( ldr) r7, [r1], #4) @ May fault orr r3, r3, r7, push #24 str r3, [r0], #4 mov ip, r1, lsl #32 - PAGE_SHIFT @@ -418,7 +418,7 @@ USER( T(ldr) r7, [r1], #4) @ May fault stmneia r0!, {r3 - r4} tst ip, #4 movne r3, r7, pull #8 -USER( T(ldrne) r7, [r1], #4) @ May fault +USER( TUSER( ldrne) r7, [r1], #4) @ May fault orrne r3, r3, r7, push #24 strne r3, [r0], #4 ands ip, ip, #3 @@ -438,7 +438,7 @@ USER( T(ldrne) r7, [r1], #4) @ May fault addmi ip, r2, #4 bmi .Lcfu_2nowords mov r3, r7, pull #16 -USER( T(ldr) r7, [r1], #4) @ May fault +USER( TUSER( ldr) r7, [r1], #4) @ May fault orr r3, r3, r7, push #16 str r3, [r0], #4 mov ip, r1, lsl #32 - PAGE_SHIFT @@ -474,7 +474,7 @@ USER( T(ldr) r7, [r1], #4) @ May fault stmneia r0!, {r3 - r4} tst ip, #4 movne r3, r7, pull #16 -USER( T(ldrne) r7, [r1], #4) @ May fault +USER( TUSER( ldrne) r7, [r1], #4) @ May fault orrne r3, r3, r7, push #16 strne r3, [r0], #4 ands ip, ip, #3 @@ -486,7 +486,7 @@ USER( T(ldrne) r7, [r1], #4) @ May fault strb r3, [r0], #1 movge r3, r7, get_byte_3 strgeb r3, [r0], #1 -USER( T(ldrgtb) r3, [r1], #0) @ May fault +USER( TUSER( ldrgtb) r3, [r1], #0) @ May fault strgtb r3, [r0], #1 b .Lcfu_finished @@ -494,7 +494,7 @@ USER( T(ldrgtb) r3, [r1], #0) @ May fault addmi ip, r2, #4 bmi .Lcfu_3nowords mov r3, r7, pull #24 -USER( T(ldr) r7, [r1], #4) @ May fault +USER( TUSER( ldr) r7, [r1], #4) @ May fault orr r3, r3, r7, push #8 str r3, [r0], #4 mov ip, r1, lsl #32 - PAGE_SHIFT @@ -529,7 +529,7 @@ USER( T(ldr) r7, [r1], #4) @ May fault stmneia r0!, {r3 - r4} tst ip, #4 movne r3, r7, pull #24 -USER( T(ldrne) r7, [r1], #4) @ May fault +USER( TUSER( ldrne) r7, [r1], #4) @ May fault orrne r3, r3, r7, push #8 strne r3, [r0], #4 ands ip, ip, #3 @@ -539,9 +539,9 @@ USER( T(ldrne) r7, [r1], #4) @ May fault beq .Lcfu_finished cmp ip, #2 strb r3, [r0], #1 -USER( T(ldrgeb) r3, [r1], #1) @ May fault +USER( TUSER( ldrgeb) r3, [r1], #1) @ May fault strgeb r3, [r0], #1 -USER( T(ldrgtb) r3, [r1], #1) @ May fault +USER( TUSER( ldrgtb) r3, [r1], #1) @ May fault strgtb r3, [r0], #1 b .Lcfu_finished ENDPROC(__copy_from_user) diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 4f991f2952846f..71feb00a1e995d 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -18,6 +18,12 @@ config HAVE_AT91_USART4 config HAVE_AT91_USART5 bool +config AT91_SAM9_ALT_RESET + bool + +config AT91_SAM9G45_RESET + bool + menu "Atmel AT91 System-on-Chip" choice @@ -39,6 +45,7 @@ config ARCH_AT91SAM9260 select HAVE_AT91_USART4 select HAVE_AT91_USART5 select HAVE_NET_MACB + select AT91_SAM9_ALT_RESET config ARCH_AT91SAM9261 bool "AT91SAM9261" @@ -46,6 +53,7 @@ config ARCH_AT91SAM9261 select GENERIC_CLOCKEVENTS select HAVE_FB_ATMEL select HAVE_AT91_DBGU0 + select AT91_SAM9_ALT_RESET config ARCH_AT91SAM9G10 bool "AT91SAM9G10" @@ -53,6 +61,7 @@ config ARCH_AT91SAM9G10 select GENERIC_CLOCKEVENTS select HAVE_AT91_DBGU0 select HAVE_FB_ATMEL + select AT91_SAM9_ALT_RESET config ARCH_AT91SAM9263 bool "AT91SAM9263" @@ -61,6 +70,7 @@ config ARCH_AT91SAM9263 select HAVE_FB_ATMEL select HAVE_NET_MACB select HAVE_AT91_DBGU1 + select AT91_SAM9_ALT_RESET config ARCH_AT91SAM9RL bool "AT91SAM9RL" @@ -69,6 +79,7 @@ config ARCH_AT91SAM9RL select HAVE_AT91_USART3 select HAVE_FB_ATMEL select HAVE_AT91_DBGU0 + select AT91_SAM9_ALT_RESET config ARCH_AT91SAM9G20 bool "AT91SAM9G20" @@ -79,6 +90,7 @@ config ARCH_AT91SAM9G20 select HAVE_AT91_USART4 select HAVE_AT91_USART5 select HAVE_NET_MACB + select AT91_SAM9_ALT_RESET config ARCH_AT91SAM9G45 bool "AT91SAM9G45" @@ -88,6 +100,7 @@ config ARCH_AT91SAM9G45 select HAVE_FB_ATMEL select HAVE_NET_MACB select HAVE_AT91_DBGU1 + select AT91_SAM9G45_RESET config ARCH_AT91CAP9 bool "AT91CAP9" @@ -96,6 +109,7 @@ config ARCH_AT91CAP9 select HAVE_FB_ATMEL select HAVE_NET_MACB select HAVE_AT91_DBGU1 + select AT91_SAM9G45_RESET config ARCH_AT91X40 bool "AT91x40" diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 242174f9f3554c..705e1fbded3919 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -8,15 +8,17 @@ obj-n := obj- := obj-$(CONFIG_AT91_PMC_UNIT) += clock.o +obj-$(CONFIG_AT91_SAM9_ALT_RESET) += at91sam9_alt_reset.o +obj-$(CONFIG_AT91_SAM9G45_RESET) += at91sam9g45_reset.o # CPU-specific support obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o at91rm9200_devices.o -obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o at91sam9_alt_reset.o -obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o at91sam9_alt_reset.o -obj-$(CONFIG_ARCH_AT91SAM9G10) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o at91sam9_alt_reset.o -obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o sam9_smc.o at91sam9_alt_reset.o -obj-$(CONFIG_ARCH_AT91SAM9RL) += at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o sam9_smc.o at91sam9_alt_reset.o -obj-$(CONFIG_ARCH_AT91SAM9G20) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o at91sam9_alt_reset.o +obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o +obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o +obj-$(CONFIG_ARCH_AT91SAM9G10) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o +obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o sam9_smc.o +obj-$(CONFIG_ARCH_AT91SAM9RL) += at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o sam9_smc.o +obj-$(CONFIG_ARCH_AT91SAM9G20) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91SAM9G45) += at91sam9g45.o at91sam926x_time.o at91sam9g45_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91CAP9) += at91cap9.o at91sam926x_time.o at91cap9_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91X40) += at91x40.o at91x40_time.o diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c index edb879ac04c8e3..a42edc25a87e69 100644 --- a/arch/arm/mach-at91/at91cap9.c +++ b/arch/arm/mach-at91/at91cap9.c @@ -21,7 +21,6 @@ #include <mach/cpu.h> #include <mach/at91cap9.h> #include <mach/at91_pmc.h> -#include <mach/at91_rstc.h> #include "soc.h" #include "generic.h" @@ -314,11 +313,6 @@ static struct at91_gpio_bank at91cap9_gpio[] __initdata = { } }; -static void at91cap9_restart(char mode, const char *cmd) -{ - at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); -} - /* -------------------------------------------------------------------- * AT91CAP9 processor initialization * -------------------------------------------------------------------- */ @@ -331,13 +325,14 @@ static void __init at91cap9_map_io(void) static void __init at91cap9_ioremap_registers(void) { at91_ioremap_shdwc(AT91CAP9_BASE_SHDWC); + at91_ioremap_rstc(AT91CAP9_BASE_RSTC); at91sam926x_ioremap_pit(AT91CAP9_BASE_PIT); at91sam9_ioremap_smc(0, AT91CAP9_BASE_SMC); } static void __init at91cap9_initialize(void) { - arm_pm_restart = at91cap9_restart; + arm_pm_restart = at91sam9g45_restart; at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1); /* Register GPIO subsystem */ diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index 5e46e4a96430d9..d4036ba43612af 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -323,6 +323,7 @@ static void __init at91sam9260_map_io(void) static void __init at91sam9260_ioremap_registers(void) { at91_ioremap_shdwc(AT91SAM9260_BASE_SHDWC); + at91_ioremap_rstc(AT91SAM9260_BASE_RSTC); at91sam926x_ioremap_pit(AT91SAM9260_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9260_BASE_SMC); } diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index b85b9ea6017071..023c2ff138df8a 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -281,6 +281,7 @@ static void __init at91sam9261_map_io(void) static void __init at91sam9261_ioremap_registers(void) { at91_ioremap_shdwc(AT91SAM9261_BASE_SHDWC); + at91_ioremap_rstc(AT91SAM9261_BASE_RSTC); at91sam926x_ioremap_pit(AT91SAM9261_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9261_BASE_SMC); } diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c index 79e3669b1117cb..75e876c258afed 100644 --- a/arch/arm/mach-at91/at91sam9263.c +++ b/arch/arm/mach-at91/at91sam9263.c @@ -301,6 +301,7 @@ static void __init at91sam9263_map_io(void) static void __init at91sam9263_ioremap_registers(void) { at91_ioremap_shdwc(AT91SAM9263_BASE_SHDWC); + at91_ioremap_rstc(AT91SAM9263_BASE_RSTC); at91sam926x_ioremap_pit(AT91SAM9263_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9263_BASE_SMC0); at91sam9_ioremap_smc(1, AT91SAM9263_BASE_SMC1); diff --git a/arch/arm/mach-at91/at91sam9_alt_reset.S b/arch/arm/mach-at91/at91sam9_alt_reset.S index d3f931c5942e90..518e42377171c8 100644 --- a/arch/arm/mach-at91/at91sam9_alt_reset.S +++ b/arch/arm/mach-at91/at91sam9_alt_reset.S @@ -23,7 +23,8 @@ .globl at91sam9_alt_restart at91sam9_alt_restart: ldr r0, .at91_va_base_sdramc @ preload constants - ldr r1, .at91_va_base_rstc_cr + ldr r1, =at91_rstc_base + ldr r1, [r1] mov r2, #1 mov r3, #AT91_SDRAMC_LPCB_POWER_DOWN @@ -33,11 +34,9 @@ at91sam9_alt_restart: ldr r0, .at91_va_base_sdramc @ preload constants str r2, [r0, #AT91_SDRAMC_TR] @ disable SDRAM access str r3, [r0, #AT91_SDRAMC_LPR] @ power down SDRAM - str r4, [r1] @ reset processor + str r4, [r1, #AT91_RSTC_CR] @ reset processor b . .at91_va_base_sdramc: .word AT91_VA_BASE_SYS + AT91_SDRAMC0 -.at91_va_base_rstc_cr: - .word AT91_VA_BASE_SYS + AT91_RSTC_CR diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index 7032dd32cdf0fb..1cb6a96b1c1e3a 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -18,7 +18,6 @@ #include <asm/mach/map.h> #include <mach/at91sam9g45.h> #include <mach/at91_pmc.h> -#include <mach/at91_rstc.h> #include <mach/cpu.h> #include "soc.h" @@ -318,11 +317,6 @@ static struct at91_gpio_bank at91sam9g45_gpio[] __initdata = { } }; -static void at91sam9g45_restart(char mode, const char *cmd) -{ - at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); -} - /* -------------------------------------------------------------------- * AT91SAM9G45 processor initialization * -------------------------------------------------------------------- */ @@ -336,6 +330,7 @@ static void __init at91sam9g45_map_io(void) static void __init at91sam9g45_ioremap_registers(void) { at91_ioremap_shdwc(AT91SAM9G45_BASE_SHDWC); + at91_ioremap_rstc(AT91SAM9G45_BASE_RSTC); at91sam926x_ioremap_pit(AT91SAM9G45_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9G45_BASE_SMC); } diff --git a/arch/arm/mach-at91/at91sam9g45_reset.S b/arch/arm/mach-at91/at91sam9g45_reset.S new file mode 100644 index 00000000000000..0468be10980b57 --- /dev/null +++ b/arch/arm/mach-at91/at91sam9g45_reset.S @@ -0,0 +1,40 @@ +/* + * reset AT91SAM9G45 as per errata + * + * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcosoft.com> + * + * unless the SDRAM is cleanly shutdown before we hit the + * reset register it can be left driving the data bus and + * killing the chance of a subsequent boot from NAND + * + * GPLv2 Only + */ + +#include <linux/linkage.h> +#include <mach/hardware.h> +#include <mach/at91sam9_ddrsdr.h> +#include <mach/at91_rstc.h> + + .arm + + .globl at91sam9g45_restart + +at91sam9g45_restart: + ldr r0, .at91_va_base_sdramc0 @ preload constants + ldr r1, =at91_rstc_base + ldr r1, [r1] + + mov r2, #1 + mov r3, #AT91_DDRSDRC_LPCB_POWER_DOWN + ldr r4, =AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST + + .balign 32 @ align to cache line + + str r2, [r0, #AT91_DDRSDRC_RTR] @ disable DDR0 access + str r3, [r0, #AT91_DDRSDRC_LPR] @ power down DDR0 + str r4, [r1, #AT91_RSTC_CR] @ reset processor + + b . + +.at91_va_base_sdramc0: + .word AT91_VA_BASE_SYS + AT91_DDRSDRC0 diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c index d6bcb1da11dfbc..d2c91a841cb8c5 100644 --- a/arch/arm/mach-at91/at91sam9rl.c +++ b/arch/arm/mach-at91/at91sam9rl.c @@ -286,6 +286,7 @@ static void __init at91sam9rl_map_io(void) static void __init at91sam9rl_ioremap_registers(void) { at91_ioremap_shdwc(AT91SAM9RL_BASE_SHDWC); + at91_ioremap_rstc(AT91SAM9RL_BASE_RSTC); at91sam926x_ioremap_pit(AT91SAM9RL_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9RL_BASE_SMC); } diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index 4866b8180d6661..594133451c0c88 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -58,7 +58,9 @@ extern void at91_irq_suspend(void); extern void at91_irq_resume(void); /* reset */ +extern void at91_ioremap_rstc(u32 base_addr); extern void at91sam9_alt_restart(char, const char *); +extern void at91sam9g45_restart(char, const char *); /* shutdown */ extern void at91_ioremap_shdwc(u32 base_addr); diff --git a/arch/arm/mach-at91/include/mach/at91_rstc.h b/arch/arm/mach-at91/include/mach/at91_rstc.h index cbd2bf052c1f0e..875fa336800ba3 100644 --- a/arch/arm/mach-at91/include/mach/at91_rstc.h +++ b/arch/arm/mach-at91/include/mach/at91_rstc.h @@ -16,13 +16,25 @@ #ifndef AT91_RSTC_H #define AT91_RSTC_H -#define AT91_RSTC_CR (AT91_RSTC + 0x00) /* Reset Controller Control Register */ +#ifndef __ASSEMBLY__ +extern void __iomem *at91_rstc_base; + +#define at91_rstc_read(field) \ + __raw_readl(at91_rstc_base + field) + +#define at91_rstc_write(field, value) \ + __raw_writel(value, at91_rstc_base + field); +#else +.extern at91_rstc_base +#endif + +#define AT91_RSTC_CR 0x00 /* Reset Controller Control Register */ #define AT91_RSTC_PROCRST (1 << 0) /* Processor Reset */ #define AT91_RSTC_PERRST (1 << 2) /* Peripheral Reset */ #define AT91_RSTC_EXTRST (1 << 3) /* External Reset */ #define AT91_RSTC_KEY (0xa5 << 24) /* KEY Password */ -#define AT91_RSTC_SR (AT91_RSTC + 0x04) /* Reset Controller Status Register */ +#define AT91_RSTC_SR 0x04 /* Reset Controller Status Register */ #define AT91_RSTC_URSTS (1 << 0) /* User Reset Status */ #define AT91_RSTC_RSTTYP (7 << 8) /* Reset Type */ #define AT91_RSTC_RSTTYP_GENERAL (0 << 8) @@ -33,7 +45,7 @@ #define AT91_RSTC_NRSTL (1 << 16) /* NRST Pin Level */ #define AT91_RSTC_SRCMP (1 << 17) /* Software Reset Command in Progress */ -#define AT91_RSTC_MR (AT91_RSTC + 0x08) /* Reset Controller Mode Register */ +#define AT91_RSTC_MR 0x08 /* Reset Controller Mode Register */ #define AT91_RSTC_URSTEN (1 << 0) /* User Reset Enable */ #define AT91_RSTC_URSTIEN (1 << 4) /* User Reset Interrupt Enable */ #define AT91_RSTC_ERSTL (0xf << 8) /* External Reset Length */ diff --git a/arch/arm/mach-at91/include/mach/at91cap9.h b/arch/arm/mach-at91/include/mach/at91cap9.h index 4c0e2f6011d70c..61d952902f2b7e 100644 --- a/arch/arm/mach-at91/include/mach/at91cap9.h +++ b/arch/arm/mach-at91/include/mach/at91cap9.h @@ -83,7 +83,6 @@ #define AT91_DDRSDRC0 (0xffffe600 - AT91_BASE_SYS) #define AT91_MATRIX (0xffffea00 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) -#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_GPBR (cpu_is_at91cap9_revB() ? \ (0xfffffd50 - AT91_BASE_SYS) : \ (0xfffffd60 - AT91_BASE_SYS)) @@ -96,6 +95,7 @@ #define AT91CAP9_BASE_PIOB 0xfffff400 #define AT91CAP9_BASE_PIOC 0xfffff600 #define AT91CAP9_BASE_PIOD 0xfffff800 +#define AT91CAP9_BASE_RSTC 0xfffffd00 #define AT91CAP9_BASE_SHDWC 0xfffffd10 #define AT91CAP9_BASE_RTT 0xfffffd20 #define AT91CAP9_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h b/arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h deleted file mode 100644 index 976f4a6c33532e..00000000000000 --- a/arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h +++ /dev/null @@ -1,108 +0,0 @@ -/* - * arch/arm/mach-at91/include/mach/at91cap9_ddrsdr.h - * - * (C) 2008 Andrew Victor - * - * DDR/SDR Controller (DDRSDRC) - System peripherals registers. - * Based on AT91CAP9 datasheet revision B. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef AT91CAP9_DDRSDR_H -#define AT91CAP9_DDRSDR_H - -#define AT91_DDRSDRC_MR 0x00 /* Mode Register */ -#define AT91_DDRSDRC_MODE (0xf << 0) /* Command Mode */ -#define AT91_DDRSDRC_MODE_NORMAL 0 -#define AT91_DDRSDRC_MODE_NOP 1 -#define AT91_DDRSDRC_MODE_PRECHARGE 2 -#define AT91_DDRSDRC_MODE_LMR 3 -#define AT91_DDRSDRC_MODE_REFRESH 4 -#define AT91_DDRSDRC_MODE_EXT_LMR 5 -#define AT91_DDRSDRC_MODE_DEEP 6 - -#define AT91_DDRSDRC_RTR 0x04 /* Refresh Timer Register */ -#define AT91_DDRSDRC_COUNT (0xfff << 0) /* Refresh Timer Counter */ - -#define AT91_DDRSDRC_CR 0x08 /* Configuration Register */ -#define AT91_DDRSDRC_NC (3 << 0) /* Number of Column Bits */ -#define AT91_DDRSDRC_NC_SDR8 (0 << 0) -#define AT91_DDRSDRC_NC_SDR9 (1 << 0) -#define AT91_DDRSDRC_NC_SDR10 (2 << 0) -#define AT91_DDRSDRC_NC_SDR11 (3 << 0) -#define AT91_DDRSDRC_NC_DDR9 (0 << 0) -#define AT91_DDRSDRC_NC_DDR10 (1 << 0) -#define AT91_DDRSDRC_NC_DDR11 (2 << 0) -#define AT91_DDRSDRC_NC_DDR12 (3 << 0) -#define AT91_DDRSDRC_NR (3 << 2) /* Number of Row Bits */ -#define AT91_DDRSDRC_NR_11 (0 << 2) -#define AT91_DDRSDRC_NR_12 (1 << 2) -#define AT91_DDRSDRC_NR_13 (2 << 2) -#define AT91_DDRSDRC_CAS (7 << 4) /* CAS Latency */ -#define AT91_DDRSDRC_CAS_2 (2 << 4) -#define AT91_DDRSDRC_CAS_3 (3 << 4) -#define AT91_DDRSDRC_CAS_25 (6 << 4) -#define AT91_DDRSDRC_DLL (1 << 7) /* Reset DLL */ -#define AT91_DDRSDRC_DICDS (1 << 8) /* Output impedance control */ - -#define AT91_DDRSDRC_T0PR 0x0C /* Timing 0 Register */ -#define AT91_DDRSDRC_TRAS (0xf << 0) /* Active to Precharge delay */ -#define AT91_DDRSDRC_TRCD (0xf << 4) /* Row to Column delay */ -#define AT91_DDRSDRC_TWR (0xf << 8) /* Write recovery delay */ -#define AT91_DDRSDRC_TRC (0xf << 12) /* Row cycle delay */ -#define AT91_DDRSDRC_TRP (0xf << 16) /* Row precharge delay */ -#define AT91_DDRSDRC_TRRD (0xf << 20) /* Active BankA to BankB */ -#define AT91_DDRSDRC_TWTR (1 << 24) /* Internal Write to Read delay */ -#define AT91_DDRSDRC_TMRD (0xf << 28) /* Load mode to active/refresh delay */ - -#define AT91_DDRSDRC_T1PR 0x10 /* Timing 1 Register */ -#define AT91_DDRSDRC_TRFC (0x1f << 0) /* Row Cycle Delay */ -#define AT91_DDRSDRC_TXSNR (0xff << 8) /* Exit self-refresh to non-read */ -#define AT91_DDRSDRC_TXSRD (0xff << 16) /* Exit self-refresh to read */ -#define AT91_DDRSDRC_TXP (0xf << 24) /* Exit power-down delay */ - -#define AT91_DDRSDRC_LPR 0x18 /* Low Power Register */ -#define AT91_DDRSDRC_LPCB (3 << 0) /* Low-power Configurations */ -#define AT91_DDRSDRC_LPCB_DISABLE 0 -#define AT91_DDRSDRC_LPCB_SELF_REFRESH 1 -#define AT91_DDRSDRC_LPCB_POWER_DOWN 2 -#define AT91_DDRSDRC_LPCB_DEEP_POWER_DOWN 3 -#define AT91_DDRSDRC_CLKFR (1 << 2) /* Clock Frozen */ -#define AT91_DDRSDRC_PASR (7 << 4) /* Partial Array Self Refresh */ -#define AT91_DDRSDRC_TCSR (3 << 8) /* Temperature Compensated Self Refresh */ -#define AT91_DDRSDRC_DS (3 << 10) /* Drive Strength */ -#define AT91_DDRSDRC_TIMEOUT (3 << 12) /* Time to define when Low Power Mode is enabled */ -#define AT91_DDRSDRC_TIMEOUT_0_CLK_CYCLES (0 << 12) -#define AT91_DDRSDRC_TIMEOUT_64_CLK_CYCLES (1 << 12) -#define AT91_DDRSDRC_TIMEOUT_128_CLK_CYCLES (2 << 12) - -#define AT91_DDRSDRC_MDR 0x1C /* Memory Device Register */ -#define AT91_DDRSDRC_MD (3 << 0) /* Memory Device Type */ -#define AT91_DDRSDRC_MD_SDR 0 -#define AT91_DDRSDRC_MD_LOW_POWER_SDR 1 -#define AT91_DDRSDRC_MD_DDR 2 -#define AT91_DDRSDRC_MD_LOW_POWER_DDR 3 - -#define AT91_DDRSDRC_DLLR 0x20 /* DLL Information Register */ -#define AT91_DDRSDRC_MDINC (1 << 0) /* Master Delay increment */ -#define AT91_DDRSDRC_MDDEC (1 << 1) /* Master Delay decrement */ -#define AT91_DDRSDRC_MDOVF (1 << 2) /* Master Delay Overflow */ -#define AT91_DDRSDRC_SDCOVF (1 << 3) /* Slave Delay Correction Overflow */ -#define AT91_DDRSDRC_SDCUDF (1 << 4) /* Slave Delay Correction Underflow */ -#define AT91_DDRSDRC_SDERF (1 << 5) /* Slave Delay Correction error */ -#define AT91_DDRSDRC_MDVAL (0xff << 8) /* Master Delay value */ -#define AT91_DDRSDRC_SDVAL (0xff << 16) /* Slave Delay value */ -#define AT91_DDRSDRC_SDCVAL (0xff << 24) /* Slave Delay Correction value */ - -/* Register access macros */ -#define at91_ramc_read(num, reg) \ - at91_sys_read(AT91_DDRSDRC##num + reg) -#define at91_ramc_write(num, reg, value) \ - at91_sys_write(AT91_DDRSDRC##num + reg, value) - - -#endif diff --git a/arch/arm/mach-at91/include/mach/at91sam9260.h b/arch/arm/mach-at91/include/mach/at91sam9260.h index f937c476bb67d6..fa5ca278adebf7 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9260.h +++ b/arch/arm/mach-at91/include/mach/at91sam9260.h @@ -83,7 +83,6 @@ #define AT91_SDRAMC0 (0xffffea00 - AT91_BASE_SYS) #define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) -#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS) #define AT91SAM9260_BASE_ECC 0xffffe800 @@ -92,6 +91,7 @@ #define AT91SAM9260_BASE_PIOA 0xfffff400 #define AT91SAM9260_BASE_PIOB 0xfffff600 #define AT91SAM9260_BASE_PIOC 0xfffff800 +#define AT91SAM9260_BASE_RSTC 0xfffffd00 #define AT91SAM9260_BASE_SHDWC 0xfffffd10 #define AT91SAM9260_BASE_RTT 0xfffffd20 #define AT91SAM9260_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/at91sam9261.h b/arch/arm/mach-at91/include/mach/at91sam9261.h index 175604e261becd..7cde2d36570eee 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9261.h +++ b/arch/arm/mach-at91/include/mach/at91sam9261.h @@ -68,7 +68,6 @@ #define AT91_SDRAMC0 (0xffffea00 - AT91_BASE_SYS) #define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) -#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS) #define AT91SAM9261_BASE_SMC 0xffffec00 @@ -76,6 +75,7 @@ #define AT91SAM9261_BASE_PIOA 0xfffff400 #define AT91SAM9261_BASE_PIOB 0xfffff600 #define AT91SAM9261_BASE_PIOC 0xfffff800 +#define AT91SAM9261_BASE_RSTC 0xfffffd00 #define AT91SAM9261_BASE_SHDWC 0xfffffd10 #define AT91SAM9261_BASE_RTT 0xfffffd20 #define AT91SAM9261_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/at91sam9263.h b/arch/arm/mach-at91/include/mach/at91sam9263.h index 80c915002d835a..5949abda962b2a 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9263.h +++ b/arch/arm/mach-at91/include/mach/at91sam9263.h @@ -78,7 +78,6 @@ #define AT91_SDRAMC1 (0xffffe800 - AT91_BASE_SYS) #define AT91_MATRIX (0xffffec00 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) -#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) #define AT91SAM9263_BASE_ECC0 0xffffe000 @@ -91,6 +90,7 @@ #define AT91SAM9263_BASE_PIOC 0xfffff600 #define AT91SAM9263_BASE_PIOD 0xfffff800 #define AT91SAM9263_BASE_PIOE 0xfffffa00 +#define AT91SAM9263_BASE_RSTC 0xfffffd00 #define AT91SAM9263_BASE_SHDWC 0xfffffd10 #define AT91SAM9263_BASE_RTT0 0xfffffd20 #define AT91SAM9263_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/at91sam9_ddrsdr.h b/arch/arm/mach-at91/include/mach/at91sam9_ddrsdr.h index d27b15ba8ebf81..e2f8da8ce5bc81 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9_ddrsdr.h +++ b/arch/arm/mach-at91/include/mach/at91sam9_ddrsdr.h @@ -46,10 +46,10 @@ #define AT91_DDRSDRC_CAS_25 (6 << 4) #define AT91_DDRSDRC_RST_DLL (1 << 7) /* Reset DLL */ #define AT91_DDRSDRC_DICDS (1 << 8) /* Output impedance control */ -#define AT91_DDRSDRC_DIS_DLL (1 << 9) /* Disable DLL */ -#define AT91_DDRSDRC_OCD (1 << 12) /* Off-Chip Driver */ -#define AT91_DDRSDRC_DQMS (1 << 16) /* Mask Data is Shared */ -#define AT91_DDRSDRC_ACTBST (1 << 18) /* Active Bank X to Burst Stop Read Access Bank Y */ +#define AT91_DDRSDRC_DIS_DLL (1 << 9) /* Disable DLL [SAM9 Only] */ +#define AT91_DDRSDRC_OCD (1 << 12) /* Off-Chip Driver [SAM9 Only] */ +#define AT91_DDRSDRC_DQMS (1 << 16) /* Mask Data is Shared [SAM9 Only] */ +#define AT91_DDRSDRC_ACTBST (1 << 18) /* Active Bank X to Burst Stop Read Access Bank Y [SAM9 Only] */ #define AT91_DDRSDRC_T0PR 0x0C /* Timing 0 Register */ #define AT91_DDRSDRC_TRAS (0xf << 0) /* Active to Precharge delay */ @@ -59,7 +59,8 @@ #define AT91_DDRSDRC_TRP (0xf << 16) /* Row precharge delay */ #define AT91_DDRSDRC_TRRD (0xf << 20) /* Active BankA to BankB */ #define AT91_DDRSDRC_TWTR (0x7 << 24) /* Internal Write to Read delay */ -#define AT91_DDRSDRC_RED_WRRD (0x1 << 27) /* Reduce Write to Read Delay */ +#define AT91CAP9_DDRSDRC_TWTR (1 << 24) /* Internal Write to Read delay */ +#define AT91_DDRSDRC_RED_WRRD (0x1 << 27) /* Reduce Write to Read Delay [SAM9 Only] */ #define AT91_DDRSDRC_TMRD (0xf << 28) /* Load mode to active/refresh delay */ #define AT91_DDRSDRC_T1PR 0x10 /* Timing 1 Register */ @@ -68,13 +69,14 @@ #define AT91_DDRSDRC_TXSRD (0xff << 16) /* Exit self-refresh to read */ #define AT91_DDRSDRC_TXP (0xf << 24) /* Exit power-down delay */ -#define AT91_DDRSDRC_T2PR 0x14 /* Timing 2 Register */ +#define AT91_DDRSDRC_T2PR 0x14 /* Timing 2 Register [SAM9 Only] */ #define AT91_DDRSDRC_TXARD (0xf << 0) /* Exit active power down delay to read command in mode "Fast Exit" */ #define AT91_DDRSDRC_TXARDS (0xf << 4) /* Exit active power down delay to read command in mode "Slow Exit" */ #define AT91_DDRSDRC_TRPA (0xf << 8) /* Row Precharge All delay */ #define AT91_DDRSDRC_TRTP (0x7 << 12) /* Read to Precharge delay */ #define AT91_DDRSDRC_LPR 0x1C /* Low Power Register */ +#define AT91CAP9_DDRSDRC_LPR 0x18 /* Low Power Register */ #define AT91_DDRSDRC_LPCB (3 << 0) /* Low-power Configurations */ #define AT91_DDRSDRC_LPCB_DISABLE 0 #define AT91_DDRSDRC_LPCB_SELF_REFRESH 1 @@ -92,32 +94,40 @@ #define AT91_DDRSDRC_UPD_MR (3 << 20) /* Update load mode register and extended mode register */ #define AT91_DDRSDRC_MDR 0x20 /* Memory Device Register */ +#define AT91CAP9_DDRSDRC_MDR 0x1C /* Memory Device Register */ #define AT91_DDRSDRC_MD (3 << 0) /* Memory Device Type */ #define AT91_DDRSDRC_MD_SDR 0 #define AT91_DDRSDRC_MD_LOW_POWER_SDR 1 +#define AT91CAP9_DDRSDRC_MD_DDR 2 #define AT91_DDRSDRC_MD_LOW_POWER_DDR 3 -#define AT91_DDRSDRC_MD_DDR2 6 +#define AT91_DDRSDRC_MD_DDR2 6 /* [SAM9 Only] */ #define AT91_DDRSDRC_DBW (1 << 4) /* Data Bus Width */ #define AT91_DDRSDRC_DBW_32BITS (0 << 4) #define AT91_DDRSDRC_DBW_16BITS (1 << 4) #define AT91_DDRSDRC_DLL 0x24 /* DLL Information Register */ +#define AT91CAP9_DDRSDRC_DLL 0x20 /* DLL Information Register */ #define AT91_DDRSDRC_MDINC (1 << 0) /* Master Delay increment */ #define AT91_DDRSDRC_MDDEC (1 << 1) /* Master Delay decrement */ #define AT91_DDRSDRC_MDOVF (1 << 2) /* Master Delay Overflow */ +#define AT91CAP9_DDRSDRC_SDCOVF (1 << 3) /* Slave Delay Correction Overflow */ +#define AT91CAP9_DDRSDRC_SDCUDF (1 << 4) /* Slave Delay Correction Underflow */ +#define AT91CAP9_DDRSDRC_SDERF (1 << 5) /* Slave Delay Correction error */ #define AT91_DDRSDRC_MDVAL (0xff << 8) /* Master Delay value */ +#define AT91CAP9_DDRSDRC_SDVAL (0xff << 16) /* Slave Delay value */ +#define AT91CAP9_DDRSDRC_SDCVAL (0xff << 24) /* Slave Delay Correction value */ -#define AT91_DDRSDRC_HS 0x2C /* High Speed Register */ +#define AT91_DDRSDRC_HS 0x2C /* High Speed Register [SAM9 Only] */ #define AT91_DDRSDRC_DIS_ATCP_RD (1 << 2) /* Anticip read access is disabled */ #define AT91_DDRSDRC_DELAY(n) (0x30 + (0x4 * (n))) /* Delay I/O Register n */ -#define AT91_DDRSDRC_WPMR 0xE4 /* Write Protect Mode Register */ +#define AT91_DDRSDRC_WPMR 0xE4 /* Write Protect Mode Register [SAM9 Only] */ #define AT91_DDRSDRC_WP (1 << 0) /* Write protect enable */ #define AT91_DDRSDRC_WPKEY (0xffffff << 8) /* Write protect key */ #define AT91_DDRSDRC_KEY (0x444452 << 8) /* Write protect key = "DDR" */ -#define AT91_DDRSDRC_WPSR 0xE8 /* Write Protect Status Register */ +#define AT91_DDRSDRC_WPSR 0xE8 /* Write Protect Status Register [SAM9 Only] */ #define AT91_DDRSDRC_WPVS (1 << 0) /* Write protect violation status */ #define AT91_DDRSDRC_WPVSRC (0xffff << 8) /* Write protect violation source */ diff --git a/arch/arm/mach-at91/include/mach/at91sam9g45.h b/arch/arm/mach-at91/include/mach/at91sam9g45.h index f0c23c960dece7..dd9c95ea0862d7 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9g45.h +++ b/arch/arm/mach-at91/include/mach/at91sam9g45.h @@ -90,7 +90,6 @@ #define AT91_DDRSDRC0 (0xffffe600 - AT91_BASE_SYS) #define AT91_MATRIX (0xffffea00 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) -#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) #define AT91SAM9G45_BASE_ECC 0xffffe200 @@ -102,6 +101,7 @@ #define AT91SAM9G45_BASE_PIOC 0xfffff600 #define AT91SAM9G45_BASE_PIOD 0xfffff800 #define AT91SAM9G45_BASE_PIOE 0xfffffa00 +#define AT91SAM9G45_BASE_RSTC 0xfffffd00 #define AT91SAM9G45_BASE_SHDWC 0xfffffd10 #define AT91SAM9G45_BASE_RTT 0xfffffd20 #define AT91SAM9G45_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/at91sam9rl.h b/arch/arm/mach-at91/include/mach/at91sam9rl.h index 2bb359e60b97f5..d7bead7118da85 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9rl.h +++ b/arch/arm/mach-at91/include/mach/at91sam9rl.h @@ -72,7 +72,6 @@ #define AT91_SDRAMC0 (0xffffea00 - AT91_BASE_SYS) #define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) -#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_SCKCR (0xfffffd50 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) @@ -84,6 +83,7 @@ #define AT91SAM9RL_BASE_PIOB 0xfffff600 #define AT91SAM9RL_BASE_PIOC 0xfffff800 #define AT91SAM9RL_BASE_PIOD 0xfffffa00 +#define AT91SAM9RL_BASE_RSTC 0xfffffd00 #define AT91SAM9RL_BASE_SHDWC 0xfffffd10 #define AT91SAM9RL_BASE_RTT 0xfffffd20 #define AT91SAM9RL_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h index d0b377b21bd7d7..3b33f07b1e1189 100644 --- a/arch/arm/mach-at91/include/mach/board.h +++ b/arch/arm/mach-at91/include/mach/board.h @@ -88,7 +88,7 @@ extern void __init at91_add_device_eth(struct macb_platform_data *data); struct at91_usbh_data { u8 ports; /* number of ports on root hub */ int vbus_pin[2]; /* port power-control pin */ - u8 vbus_pin_inverted; + u8 vbus_pin_active_low[2]; u8 overcurrent_supported; int overcurrent_pin[2]; u8 overcurrent_status[2]; diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 62ad95556c367f..1606379ac28462 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -34,7 +34,6 @@ /* * Show the reason for the previous system reset. */ -#if defined(AT91_RSTC) #include <mach/at91_rstc.h> #include <mach/at91_shdwc.h> @@ -58,10 +57,10 @@ static void __init show_reset_status(void) char *reason, *r2 = reset; u32 reset_type, wake_type; - if (!at91_shdwc_base) + if (!at91_shdwc_base || !at91_rstc_base) return; - reset_type = at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_RSTTYP; + reset_type = at91_rstc_read(AT91_RSTC_SR) & AT91_RSTC_RSTTYP; wake_type = at91_shdwc_read(AT91_SHDW_SR); switch (reset_type) { @@ -102,10 +101,6 @@ static void __init show_reset_status(void) } pr_info("AT91: Starting after %s %s\n", reason, r2); } -#else -static void __init show_reset_status(void) {} -#endif - static int at91_pm_valid_state(suspend_state_t state) { diff --git a/arch/arm/mach-at91/pm.h b/arch/arm/mach-at91/pm.h index ce9a2069911116..7eb40d24242f2a 100644 --- a/arch/arm/mach-at91/pm.h +++ b/arch/arm/mach-at91/pm.h @@ -25,21 +25,21 @@ static inline u32 sdram_selfrefresh_enable(void) : : "r" (0)) #elif defined(CONFIG_ARCH_AT91CAP9) -#include <mach/at91cap9_ddrsdr.h> +#include <mach/at91sam9_ddrsdr.h> static inline u32 sdram_selfrefresh_enable(void) { u32 saved_lpr, lpr; - saved_lpr = at91_ramc_read(0, AT91_DDRSDRC_LPR); + saved_lpr = at91_ramc_read(0, AT91CAP9_DDRSDRC_LPR); lpr = saved_lpr & ~AT91_DDRSDRC_LPCB; - at91_ramc_write(0, AT91_DDRSDRC_LPR, lpr | AT91_DDRSDRC_LPCB_SELF_REFRESH); + at91_ramc_write(0, AT91CAP9_DDRSDRC_LPR, lpr | AT91_DDRSDRC_LPCB_SELF_REFRESH); return saved_lpr; } -#define sdram_selfrefresh_disable(saved_lpr) at91_ramc_write(0, AT91_DDRSDRC_LPR, saved_lpr) +#define sdram_selfrefresh_disable(saved_lpr) at91_ramc_write(0, AT91CAP9_DDRSDRC_LPR, saved_lpr) #define wait_for_interrupt_enable() cpu_do_idle() #elif defined(CONFIG_ARCH_AT91SAM9G45) diff --git a/arch/arm/mach-at91/pm_slowclock.S b/arch/arm/mach-at91/pm_slowclock.S index f7922a436172a0..92dfb8461392a6 100644 --- a/arch/arm/mach-at91/pm_slowclock.S +++ b/arch/arm/mach-at91/pm_slowclock.S @@ -18,9 +18,8 @@ #if defined(CONFIG_ARCH_AT91RM9200) #include <mach/at91rm9200_mc.h> -#elif defined(CONFIG_ARCH_AT91CAP9) -#include <mach/at91cap9_ddrsdr.h> -#elif defined(CONFIG_ARCH_AT91SAM9G45) +#elif defined(CONFIG_ARCH_AT91CAP9) \ + || defined(CONFIG_ARCH_AT91SAM9G45) #include <mach/at91sam9_ddrsdr.h> #else #include <mach/at91sam9_sdramc.h> diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index 8bdcc3cb6012bf..69d3fc4c46f372 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -29,9 +29,12 @@ EXPORT_SYMBOL(at91_soc_initdata); void __init at91rm9200_set_type(int type) { if (type == ARCH_REVISON_9200_PQFP) - at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA; - else at91_soc_initdata.subtype = AT91_SOC_RM9200_PQFP; + else + at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA; + + pr_info("AT91: filled in soc subtype: %s\n", + at91_get_soc_subtype(&at91_soc_initdata)); } void __init at91_init_irq_default(void) @@ -281,6 +284,15 @@ void __init at91_ioremap_shdwc(u32 base_addr) pm_power_off = at91sam9_poweroff; } +void __iomem *at91_rstc_base; + +void __init at91_ioremap_rstc(u32 base_addr) +{ + at91_rstc_base = ioremap(base_addr, 16); + if (!at91_rstc_base) + panic("Impossible to ioremap at91_rstc_base\n"); +} + void __init at91_initialize(unsigned long main_clock) { at91_boot_soc.ioremap_registers(); diff --git a/arch/arm/mach-bcmring/arch.c b/arch/arm/mach-bcmring/arch.c index 9e5e7552498c36..45c97b1ee9b1d5 100644 --- a/arch/arm/mach-bcmring/arch.c +++ b/arch/arm/mach-bcmring/arch.c @@ -194,6 +194,6 @@ MACHINE_START(BCMRING, "BCMRING") .init_early = bcmring_init_early, .init_irq = bcmring_init_irq, .timer = &bcmring_timer, - .init_machine = bcmring_init_machine + .init_machine = bcmring_init_machine, .restart = bcmring_restart, MACHINE_END diff --git a/arch/arm/mach-bcmring/dma.c b/arch/arm/mach-bcmring/dma.c index 1a1a27dd56544d..1024396797e16f 100644 --- a/arch/arm/mach-bcmring/dma.c +++ b/arch/arm/mach-bcmring/dma.c @@ -33,17 +33,11 @@ #include <mach/timer.h> -#include <linux/mm.h> #include <linux/pfn.h> #include <linux/atomic.h> #include <linux/sched.h> #include <mach/dma.h> -/* I don't quite understand why dc4 fails when this is set to 1 and DMA is enabled */ -/* especially since dc4 doesn't use kmalloc'd memory. */ - -#define ALLOW_MAP_OF_KMALLOC_MEMORY 0 - /* ---- Public Variables ------------------------------------------------- */ /* ---- Private Constants and Types -------------------------------------- */ @@ -53,24 +47,12 @@ #define CONTROLLER_FROM_HANDLE(handle) (((handle) >> 4) & 0x0f) #define CHANNEL_FROM_HANDLE(handle) ((handle) & 0x0f) -#define DMA_MAP_DEBUG 0 - -#if DMA_MAP_DEBUG -# define DMA_MAP_PRINT(fmt, args...) printk("%s: " fmt, __func__, ## args) -#else -# define DMA_MAP_PRINT(fmt, args...) -#endif /* ---- Private Variables ------------------------------------------------ */ static DMA_Global_t gDMA; static struct proc_dir_entry *gDmaDir; -static atomic_t gDmaStatMemTypeKmalloc = ATOMIC_INIT(0); -static atomic_t gDmaStatMemTypeVmalloc = ATOMIC_INIT(0); -static atomic_t gDmaStatMemTypeUser = ATOMIC_INIT(0); -static atomic_t gDmaStatMemTypeCoherent = ATOMIC_INIT(0); - #include "dma_device.c" /* ---- Private Function Prototypes -------------------------------------- */ @@ -79,34 +61,6 @@ static atomic_t gDmaStatMemTypeCoherent = ATOMIC_INIT(0); /****************************************************************************/ /** -* Displays information for /proc/dma/mem-type -*/ -/****************************************************************************/ - -static int dma_proc_read_mem_type(char *buf, char **start, off_t offset, - int count, int *eof, void *data) -{ - int len = 0; - - len += sprintf(buf + len, "dma_map_mem statistics\n"); - len += - sprintf(buf + len, "coherent: %d\n", - atomic_read(&gDmaStatMemTypeCoherent)); - len += - sprintf(buf + len, "kmalloc: %d\n", - atomic_read(&gDmaStatMemTypeKmalloc)); - len += - sprintf(buf + len, "vmalloc: %d\n", - atomic_read(&gDmaStatMemTypeVmalloc)); - len += - sprintf(buf + len, "user: %d\n", - atomic_read(&gDmaStatMemTypeUser)); - - return len; -} - -/****************************************************************************/ -/** * Displays information for /proc/dma/channels */ /****************************************************************************/ @@ -846,8 +800,6 @@ int dma_init(void) dma_proc_read_channels, NULL); create_proc_read_entry("devices", 0, gDmaDir, dma_proc_read_devices, NULL); - create_proc_read_entry("mem-type", 0, gDmaDir, - dma_proc_read_mem_type, NULL); } out: @@ -1565,767 +1517,3 @@ int dma_set_device_handler(DMA_Device_t dev, /* Device to set the callback for. } EXPORT_SYMBOL(dma_set_device_handler); - -/****************************************************************************/ -/** -* Initializes a memory mapping structure -*/ -/****************************************************************************/ - -int dma_init_mem_map(DMA_MemMap_t *memMap) -{ - memset(memMap, 0, sizeof(*memMap)); - - sema_init(&memMap->lock, 1); - - return 0; -} - -EXPORT_SYMBOL(dma_init_mem_map); - -/****************************************************************************/ -/** -* Releases any memory currently being held by a memory mapping structure. -*/ -/****************************************************************************/ - -int dma_term_mem_map(DMA_MemMap_t *memMap) -{ - down(&memMap->lock); /* Just being paranoid */ - - /* Free up any allocated memory */ - - up(&memMap->lock); - memset(memMap, 0, sizeof(*memMap)); - - return 0; -} - -EXPORT_SYMBOL(dma_term_mem_map); - -/****************************************************************************/ -/** -* Looks at a memory address and categorizes it. -* -* @return One of the values from the DMA_MemType_t enumeration. -*/ -/****************************************************************************/ - -DMA_MemType_t dma_mem_type(void *addr) -{ - unsigned long addrVal = (unsigned long)addr; - - if (addrVal >= CONSISTENT_BASE) { - /* NOTE: DMA virtual memory space starts at 0xFFxxxxxx */ - - /* dma_alloc_xxx pages are physically and virtually contiguous */ - - return DMA_MEM_TYPE_DMA; - } - - /* Technically, we could add one more classification. Addresses between VMALLOC_END */ - /* and the beginning of the DMA virtual address could be considered to be I/O space. */ - /* Right now, nobody cares about this particular classification, so we ignore it. */ - - if (is_vmalloc_addr(addr)) { - /* Address comes from the vmalloc'd region. Pages are virtually */ - /* contiguous but NOT physically contiguous */ - - return DMA_MEM_TYPE_VMALLOC; - } - - if (addrVal >= PAGE_OFFSET) { - /* PAGE_OFFSET is typically 0xC0000000 */ - - /* kmalloc'd pages are physically contiguous */ - - return DMA_MEM_TYPE_KMALLOC; - } - - return DMA_MEM_TYPE_USER; -} - -EXPORT_SYMBOL(dma_mem_type); - -/****************************************************************************/ -/** -* Looks at a memory address and determines if we support DMA'ing to/from -* that type of memory. -* -* @return boolean - -* return value != 0 means dma supported -* return value == 0 means dma not supported -*/ -/****************************************************************************/ - -int dma_mem_supports_dma(void *addr) -{ - DMA_MemType_t memType = dma_mem_type(addr); - - return (memType == DMA_MEM_TYPE_DMA) -#if ALLOW_MAP_OF_KMALLOC_MEMORY - || (memType == DMA_MEM_TYPE_KMALLOC) -#endif - || (memType == DMA_MEM_TYPE_USER); -} - -EXPORT_SYMBOL(dma_mem_supports_dma); - -/****************************************************************************/ -/** -* Maps in a memory region such that it can be used for performing a DMA. -* -* @return -*/ -/****************************************************************************/ - -int dma_map_start(DMA_MemMap_t *memMap, /* Stores state information about the map */ - enum dma_data_direction dir /* Direction that the mapping will be going */ - ) { - int rc; - - down(&memMap->lock); - - DMA_MAP_PRINT("memMap: %p\n", memMap); - - if (memMap->inUse) { - printk(KERN_ERR "%s: memory map %p is already being used\n", - __func__, memMap); - rc = -EBUSY; - goto out; - } - - memMap->inUse = 1; - memMap->dir = dir; - memMap->numRegionsUsed = 0; - - rc = 0; - -out: - - DMA_MAP_PRINT("returning %d", rc); - - up(&memMap->lock); - - return rc; -} - -EXPORT_SYMBOL(dma_map_start); - -/****************************************************************************/ -/** -* Adds a segment of memory to a memory map. Each segment is both -* physically and virtually contiguous. -* -* @return 0 on success, error code otherwise. -*/ -/****************************************************************************/ - -static int dma_map_add_segment(DMA_MemMap_t *memMap, /* Stores state information about the map */ - DMA_Region_t *region, /* Region that the segment belongs to */ - void *virtAddr, /* Virtual address of the segment being added */ - dma_addr_t physAddr, /* Physical address of the segment being added */ - size_t numBytes /* Number of bytes of the segment being added */ - ) { - DMA_Segment_t *segment; - - DMA_MAP_PRINT("memMap:%p va:%p pa:0x%x #:%d\n", memMap, virtAddr, - physAddr, numBytes); - - /* Sanity check */ - - if (((unsigned long)virtAddr < (unsigned long)region->virtAddr) - || (((unsigned long)virtAddr + numBytes)) > - ((unsigned long)region->virtAddr + region->numBytes)) { - printk(KERN_ERR - "%s: virtAddr %p is outside region @ %p len: %d\n", - __func__, virtAddr, region->virtAddr, region->numBytes); - return -EINVAL; - } - - if (region->numSegmentsUsed > 0) { - /* Check to see if this segment is physically contiguous with the previous one */ - - segment = ®ion->segment[region->numSegmentsUsed - 1]; - - if ((segment->physAddr + segment->numBytes) == physAddr) { - /* It is - just add on to the end */ - - DMA_MAP_PRINT("appending %d bytes to last segment\n", - numBytes); - - segment->numBytes += numBytes; - - return 0; - } - } - - /* Reallocate to hold more segments, if required. */ - - if (region->numSegmentsUsed >= region->numSegmentsAllocated) { - DMA_Segment_t *newSegment; - size_t oldSize = - region->numSegmentsAllocated * sizeof(*newSegment); - int newAlloc = region->numSegmentsAllocated + 4; - size_t newSize = newAlloc * sizeof(*newSegment); - - newSegment = kmalloc(newSize, GFP_KERNEL); - if (newSegment == NULL) { - return -ENOMEM; - } - memcpy(newSegment, region->segment, oldSize); - memset(&((uint8_t *) newSegment)[oldSize], 0, - newSize - oldSize); - kfree(region->segment); - - region->numSegmentsAllocated = newAlloc; - region->segment = newSegment; - } - - segment = ®ion->segment[region->numSegmentsUsed]; - region->numSegmentsUsed++; - - segment->virtAddr = virtAddr; - segment->physAddr = physAddr; - segment->numBytes = numBytes; - - DMA_MAP_PRINT("returning success\n"); - - return 0; -} - -/****************************************************************************/ -/** -* Adds a region of memory to a memory map. Each region is virtually -* contiguous, but not necessarily physically contiguous. -* -* @return 0 on success, error code otherwise. -*/ -/****************************************************************************/ - -int dma_map_add_region(DMA_MemMap_t *memMap, /* Stores state information about the map */ - void *mem, /* Virtual address that we want to get a map of */ - size_t numBytes /* Number of bytes being mapped */ - ) { - unsigned long addr = (unsigned long)mem; - unsigned int offset; - int rc = 0; - DMA_Region_t *region; - dma_addr_t physAddr; - - down(&memMap->lock); - - DMA_MAP_PRINT("memMap:%p va:%p #:%d\n", memMap, mem, numBytes); - - if (!memMap->inUse) { - printk(KERN_ERR "%s: Make sure you call dma_map_start first\n", - __func__); - rc = -EINVAL; - goto out; - } - - /* Reallocate to hold more regions. */ - - if (memMap->numRegionsUsed >= memMap->numRegionsAllocated) { - DMA_Region_t *newRegion; - size_t oldSize = - memMap->numRegionsAllocated * sizeof(*newRegion); - int newAlloc = memMap->numRegionsAllocated + 4; - size_t newSize = newAlloc * sizeof(*newRegion); - - newRegion = kmalloc(newSize, GFP_KERNEL); - if (newRegion == NULL) { - rc = -ENOMEM; - goto out; - } - memcpy(newRegion, memMap->region, oldSize); - memset(&((uint8_t *) newRegion)[oldSize], 0, newSize - oldSize); - - kfree(memMap->region); - - memMap->numRegionsAllocated = newAlloc; - memMap->region = newRegion; - } - - region = &memMap->region[memMap->numRegionsUsed]; - memMap->numRegionsUsed++; - - offset = addr & ~PAGE_MASK; - - region->memType = dma_mem_type(mem); - region->virtAddr = mem; - region->numBytes = numBytes; - region->numSegmentsUsed = 0; - region->numLockedPages = 0; - region->lockedPages = NULL; - - switch (region->memType) { - case DMA_MEM_TYPE_VMALLOC: - { - atomic_inc(&gDmaStatMemTypeVmalloc); - - /* printk(KERN_ERR "%s: vmalloc'd pages are not supported\n", __func__); */ - - /* vmalloc'd pages are not physically contiguous */ - - rc = -EINVAL; - break; - } - - case DMA_MEM_TYPE_KMALLOC: - { - atomic_inc(&gDmaStatMemTypeKmalloc); - - /* kmalloc'd pages are physically contiguous, so they'll have exactly */ - /* one segment */ - -#if ALLOW_MAP_OF_KMALLOC_MEMORY - physAddr = - dma_map_single(NULL, mem, numBytes, memMap->dir); - rc = dma_map_add_segment(memMap, region, mem, physAddr, - numBytes); -#else - rc = -EINVAL; -#endif - break; - } - - case DMA_MEM_TYPE_DMA: - { - /* dma_alloc_xxx pages are physically contiguous */ - - atomic_inc(&gDmaStatMemTypeCoherent); - - physAddr = (vmalloc_to_pfn(mem) << PAGE_SHIFT) + offset; - - dma_sync_single_for_cpu(NULL, physAddr, numBytes, - memMap->dir); - rc = dma_map_add_segment(memMap, region, mem, physAddr, - numBytes); - break; - } - - case DMA_MEM_TYPE_USER: - { - size_t firstPageOffset; - size_t firstPageSize; - struct page **pages; - struct task_struct *userTask; - - atomic_inc(&gDmaStatMemTypeUser); - -#if 1 - /* If the pages are user pages, then the dma_mem_map_set_user_task function */ - /* must have been previously called. */ - - if (memMap->userTask == NULL) { - printk(KERN_ERR - "%s: must call dma_mem_map_set_user_task when using user-mode memory\n", - __func__); - return -EINVAL; - } - - /* User pages need to be locked. */ - - firstPageOffset = - (unsigned long)region->virtAddr & (PAGE_SIZE - 1); - firstPageSize = PAGE_SIZE - firstPageOffset; - - region->numLockedPages = (firstPageOffset - + region->numBytes + - PAGE_SIZE - 1) / PAGE_SIZE; - pages = - kmalloc(region->numLockedPages * - sizeof(struct page *), GFP_KERNEL); - - if (pages == NULL) { - region->numLockedPages = 0; - return -ENOMEM; - } - - userTask = memMap->userTask; - - down_read(&userTask->mm->mmap_sem); - rc = get_user_pages(userTask, /* task */ - userTask->mm, /* mm */ - (unsigned long)region->virtAddr, /* start */ - region->numLockedPages, /* len */ - memMap->dir == DMA_FROM_DEVICE, /* write */ - 0, /* force */ - pages, /* pages (array of pointers to page) */ - NULL); /* vmas */ - up_read(&userTask->mm->mmap_sem); - - if (rc != region->numLockedPages) { - kfree(pages); - region->numLockedPages = 0; - - if (rc >= 0) { - rc = -EINVAL; - } - } else { - uint8_t *virtAddr = region->virtAddr; - size_t bytesRemaining; - int pageIdx; - - rc = 0; /* Since get_user_pages returns +ve number */ - - region->lockedPages = pages; - - /* We've locked the user pages. Now we need to walk them and figure */ - /* out the physical addresses. */ - - /* The first page may be partial */ - - dma_map_add_segment(memMap, - region, - virtAddr, - PFN_PHYS(page_to_pfn - (pages[0])) + - firstPageOffset, - firstPageSize); - - virtAddr += firstPageSize; - bytesRemaining = - region->numBytes - firstPageSize; - - for (pageIdx = 1; - pageIdx < region->numLockedPages; - pageIdx++) { - size_t bytesThisPage = - (bytesRemaining > - PAGE_SIZE ? PAGE_SIZE : - bytesRemaining); - - DMA_MAP_PRINT - ("pageIdx:%d pages[pageIdx]=%p pfn=%u phys=%u\n", - pageIdx, pages[pageIdx], - page_to_pfn(pages[pageIdx]), - PFN_PHYS(page_to_pfn - (pages[pageIdx]))); - - dma_map_add_segment(memMap, - region, - virtAddr, - PFN_PHYS(page_to_pfn - (pages - [pageIdx])), - bytesThisPage); - - virtAddr += bytesThisPage; - bytesRemaining -= bytesThisPage; - } - } -#else - printk(KERN_ERR - "%s: User mode pages are not yet supported\n", - __func__); - - /* user pages are not physically contiguous */ - - rc = -EINVAL; -#endif - break; - } - - default: - { - printk(KERN_ERR "%s: Unsupported memory type: %d\n", - __func__, region->memType); - - rc = -EINVAL; - break; - } - } - - if (rc != 0) { - memMap->numRegionsUsed--; - } - -out: - - DMA_MAP_PRINT("returning %d\n", rc); - - up(&memMap->lock); - - return rc; -} - -EXPORT_SYMBOL(dma_map_add_segment); - -/****************************************************************************/ -/** -* Maps in a memory region such that it can be used for performing a DMA. -* -* @return 0 on success, error code otherwise. -*/ -/****************************************************************************/ - -int dma_map_mem(DMA_MemMap_t *memMap, /* Stores state information about the map */ - void *mem, /* Virtual address that we want to get a map of */ - size_t numBytes, /* Number of bytes being mapped */ - enum dma_data_direction dir /* Direction that the mapping will be going */ - ) { - int rc; - - rc = dma_map_start(memMap, dir); - if (rc == 0) { - rc = dma_map_add_region(memMap, mem, numBytes); - if (rc < 0) { - /* Since the add fails, this function will fail, and the caller won't */ - /* call unmap, so we need to do it here. */ - - dma_unmap(memMap, 0); - } - } - - return rc; -} - -EXPORT_SYMBOL(dma_map_mem); - -/****************************************************************************/ -/** -* Setup a descriptor ring for a given memory map. -* -* It is assumed that the descriptor ring has already been initialized, and -* this routine will only reallocate a new descriptor ring if the existing -* one is too small. -* -* @return 0 on success, error code otherwise. -*/ -/****************************************************************************/ - -int dma_map_create_descriptor_ring(DMA_Device_t dev, /* DMA device (where the ring is stored) */ - DMA_MemMap_t *memMap, /* Memory map that will be used */ - dma_addr_t devPhysAddr /* Physical address of device */ - ) { - int rc; - int numDescriptors; - DMA_DeviceAttribute_t *devAttr; - DMA_Region_t *region; - DMA_Segment_t *segment; - dma_addr_t srcPhysAddr; - dma_addr_t dstPhysAddr; - int regionIdx; - int segmentIdx; - - devAttr = &DMA_gDeviceAttribute[dev]; - - down(&memMap->lock); - - /* Figure out how many descriptors we need */ - - numDescriptors = 0; - for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) { - region = &memMap->region[regionIdx]; - - for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed; - segmentIdx++) { - segment = ®ion->segment[segmentIdx]; - - if (memMap->dir == DMA_TO_DEVICE) { - srcPhysAddr = segment->physAddr; - dstPhysAddr = devPhysAddr; - } else { - srcPhysAddr = devPhysAddr; - dstPhysAddr = segment->physAddr; - } - - rc = - dma_calculate_descriptor_count(dev, srcPhysAddr, - dstPhysAddr, - segment-> - numBytes); - if (rc < 0) { - printk(KERN_ERR - "%s: dma_calculate_descriptor_count failed: %d\n", - __func__, rc); - goto out; - } - numDescriptors += rc; - } - } - - /* Adjust the size of the ring, if it isn't big enough */ - - if (numDescriptors > devAttr->ring.descriptorsAllocated) { - dma_free_descriptor_ring(&devAttr->ring); - rc = - dma_alloc_descriptor_ring(&devAttr->ring, - numDescriptors); - if (rc < 0) { - printk(KERN_ERR - "%s: dma_alloc_descriptor_ring failed: %d\n", - __func__, rc); - goto out; - } - } else { - rc = - dma_init_descriptor_ring(&devAttr->ring, - numDescriptors); - if (rc < 0) { - printk(KERN_ERR - "%s: dma_init_descriptor_ring failed: %d\n", - __func__, rc); - goto out; - } - } - - /* Populate the descriptors */ - - for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) { - region = &memMap->region[regionIdx]; - - for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed; - segmentIdx++) { - segment = ®ion->segment[segmentIdx]; - - if (memMap->dir == DMA_TO_DEVICE) { - srcPhysAddr = segment->physAddr; - dstPhysAddr = devPhysAddr; - } else { - srcPhysAddr = devPhysAddr; - dstPhysAddr = segment->physAddr; - } - - rc = - dma_add_descriptors(&devAttr->ring, dev, - srcPhysAddr, dstPhysAddr, - segment->numBytes); - if (rc < 0) { - printk(KERN_ERR - "%s: dma_add_descriptors failed: %d\n", - __func__, rc); - goto out; - } - } - } - - rc = 0; - -out: - - up(&memMap->lock); - return rc; -} - -EXPORT_SYMBOL(dma_map_create_descriptor_ring); - -/****************************************************************************/ -/** -* Maps in a memory region such that it can be used for performing a DMA. -* -* @return -*/ -/****************************************************************************/ - -int dma_unmap(DMA_MemMap_t *memMap, /* Stores state information about the map */ - int dirtied /* non-zero if any of the pages were modified */ - ) { - - int rc = 0; - int regionIdx; - int segmentIdx; - DMA_Region_t *region; - DMA_Segment_t *segment; - - down(&memMap->lock); - - for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) { - region = &memMap->region[regionIdx]; - - for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed; - segmentIdx++) { - segment = ®ion->segment[segmentIdx]; - - switch (region->memType) { - case DMA_MEM_TYPE_VMALLOC: - { - printk(KERN_ERR - "%s: vmalloc'd pages are not yet supported\n", - __func__); - rc = -EINVAL; - goto out; - } - - case DMA_MEM_TYPE_KMALLOC: - { -#if ALLOW_MAP_OF_KMALLOC_MEMORY - dma_unmap_single(NULL, - segment->physAddr, - segment->numBytes, - memMap->dir); -#endif - break; - } - - case DMA_MEM_TYPE_DMA: - { - dma_sync_single_for_cpu(NULL, - segment-> - physAddr, - segment-> - numBytes, - memMap->dir); - break; - } - - case DMA_MEM_TYPE_USER: - { - /* Nothing to do here. */ - - break; - } - - default: - { - printk(KERN_ERR - "%s: Unsupported memory type: %d\n", - __func__, region->memType); - rc = -EINVAL; - goto out; - } - } - - segment->virtAddr = NULL; - segment->physAddr = 0; - segment->numBytes = 0; - } - - if (region->numLockedPages > 0) { - int pageIdx; - - /* Some user pages were locked. We need to go and unlock them now. */ - - for (pageIdx = 0; pageIdx < region->numLockedPages; - pageIdx++) { - struct page *page = - region->lockedPages[pageIdx]; - - if (memMap->dir == DMA_FROM_DEVICE) { - SetPageDirty(page); - } - page_cache_release(page); - } - kfree(region->lockedPages); - region->numLockedPages = 0; - region->lockedPages = NULL; - } - - region->memType = DMA_MEM_TYPE_NONE; - region->virtAddr = NULL; - region->numBytes = 0; - region->numSegmentsUsed = 0; - } - memMap->userTask = NULL; - memMap->numRegionsUsed = 0; - memMap->inUse = 0; - -out: - up(&memMap->lock); - - return rc; -} - -EXPORT_SYMBOL(dma_unmap); diff --git a/arch/arm/mach-bcmring/include/mach/dma.h b/arch/arm/mach-bcmring/include/mach/dma.h index 1f2c5319c05656..72543781207b2f 100644 --- a/arch/arm/mach-bcmring/include/mach/dma.h +++ b/arch/arm/mach-bcmring/include/mach/dma.h @@ -26,15 +26,9 @@ /* ---- Include Files ---------------------------------------------------- */ #include <linux/kernel.h> -#include <linux/wait.h> #include <linux/semaphore.h> #include <csp/dmacHw.h> #include <mach/timer.h> -#include <linux/scatterlist.h> -#include <linux/dma-mapping.h> -#include <linux/mm.h> -#include <linux/vmalloc.h> -#include <linux/pagemap.h> /* ---- Constants and Types ---------------------------------------------- */ @@ -113,78 +107,6 @@ typedef struct { /**************************************************************************** * -* The DMA_MemType_t and DMA_MemMap_t are helper structures used to setup -* DMA chains from a variety of memory sources. -* -*****************************************************************************/ - -#define DMA_MEM_MAP_MIN_SIZE 4096 /* Pages less than this size are better */ - /* off not being DMA'd. */ - -typedef enum { - DMA_MEM_TYPE_NONE, /* Not a valid setting */ - DMA_MEM_TYPE_VMALLOC, /* Memory came from vmalloc call */ - DMA_MEM_TYPE_KMALLOC, /* Memory came from kmalloc call */ - DMA_MEM_TYPE_DMA, /* Memory came from dma_alloc_xxx call */ - DMA_MEM_TYPE_USER, /* Memory came from user space. */ - -} DMA_MemType_t; - -/* A segment represents a physically and virtually contiguous chunk of memory. */ -/* i.e. each segment can be DMA'd */ -/* A user of the DMA code will add memory regions. Each region may need to be */ -/* represented by one or more segments. */ - -typedef struct { - void *virtAddr; /* Virtual address used for this segment */ - dma_addr_t physAddr; /* Physical address this segment maps to */ - size_t numBytes; /* Size of the segment, in bytes */ - -} DMA_Segment_t; - -/* A region represents a virtually contiguous chunk of memory, which may be */ -/* made up of multiple segments. */ - -typedef struct { - DMA_MemType_t memType; - void *virtAddr; - size_t numBytes; - - /* Each region (virtually contiguous) consists of one or more segments. Each */ - /* segment is virtually and physically contiguous. */ - - int numSegmentsUsed; - int numSegmentsAllocated; - DMA_Segment_t *segment; - - /* When a region corresponds to user memory, we need to lock all of the pages */ - /* down before we can figure out the physical addresses. The lockedPage array contains */ - /* the pages that were locked, and which subsequently need to be unlocked once the */ - /* memory is unmapped. */ - - unsigned numLockedPages; - struct page **lockedPages; - -} DMA_Region_t; - -typedef struct { - int inUse; /* Is this mapping currently being used? */ - struct semaphore lock; /* Acquired when using this structure */ - enum dma_data_direction dir; /* Direction this transfer is intended for */ - - /* In the event that we're mapping user memory, we need to know which task */ - /* the memory is for, so that we can obtain the correct mm locks. */ - - struct task_struct *userTask; - - int numRegionsUsed; - int numRegionsAllocated; - DMA_Region_t *region; - -} DMA_MemMap_t; - -/**************************************************************************** -* * The DMA_DeviceAttribute_t contains information which describes a * particular DMA device (or peripheral). * @@ -570,124 +492,6 @@ int dma_alloc_double_dst_descriptors(DMA_Handle_t handle, /* DMA Handle */ /****************************************************************************/ /** -* Initializes a DMA_MemMap_t data structure -*/ -/****************************************************************************/ - -int dma_init_mem_map(DMA_MemMap_t *memMap /* Stores state information about the map */ - ); - -/****************************************************************************/ -/** -* Releases any memory currently being held by a memory mapping structure. -*/ -/****************************************************************************/ - -int dma_term_mem_map(DMA_MemMap_t *memMap /* Stores state information about the map */ - ); - -/****************************************************************************/ -/** -* Looks at a memory address and categorizes it. -* -* @return One of the values from the DMA_MemType_t enumeration. -*/ -/****************************************************************************/ - -DMA_MemType_t dma_mem_type(void *addr); - -/****************************************************************************/ -/** -* Sets the process (aka userTask) associated with a mem map. This is -* required if user-mode segments will be added to the mapping. -*/ -/****************************************************************************/ - -static inline void dma_mem_map_set_user_task(DMA_MemMap_t *memMap, - struct task_struct *task) -{ - memMap->userTask = task; -} - -/****************************************************************************/ -/** -* Looks at a memory address and determines if we support DMA'ing to/from -* that type of memory. -* -* @return boolean - -* return value != 0 means dma supported -* return value == 0 means dma not supported -*/ -/****************************************************************************/ - -int dma_mem_supports_dma(void *addr); - -/****************************************************************************/ -/** -* Initializes a memory map for use. Since this function acquires a -* sempaphore within the memory map, it is VERY important that dma_unmap -* be called when you're finished using the map. -*/ -/****************************************************************************/ - -int dma_map_start(DMA_MemMap_t *memMap, /* Stores state information about the map */ - enum dma_data_direction dir /* Direction that the mapping will be going */ - ); - -/****************************************************************************/ -/** -* Adds a segment of memory to a memory map. -* -* @return 0 on success, error code otherwise. -*/ -/****************************************************************************/ - -int dma_map_add_region(DMA_MemMap_t *memMap, /* Stores state information about the map */ - void *mem, /* Virtual address that we want to get a map of */ - size_t numBytes /* Number of bytes being mapped */ - ); - -/****************************************************************************/ -/** -* Creates a descriptor ring from a memory mapping. -* -* @return 0 on success, error code otherwise. -*/ -/****************************************************************************/ - -int dma_map_create_descriptor_ring(DMA_Device_t dev, /* DMA device (where the ring is stored) */ - DMA_MemMap_t *memMap, /* Memory map that will be used */ - dma_addr_t devPhysAddr /* Physical address of device */ - ); - -/****************************************************************************/ -/** -* Maps in a memory region such that it can be used for performing a DMA. -* -* @return -*/ -/****************************************************************************/ - -int dma_map_mem(DMA_MemMap_t *memMap, /* Stores state information about the map */ - void *addr, /* Virtual address that we want to get a map of */ - size_t count, /* Number of bytes being mapped */ - enum dma_data_direction dir /* Direction that the mapping will be going */ - ); - -/****************************************************************************/ -/** -* Maps in a memory region such that it can be used for performing a DMA. -* -* @return -*/ -/****************************************************************************/ - -int dma_unmap(DMA_MemMap_t *memMap, /* Stores state information about the map */ - int dirtied /* non-zero if any of the pages were modified */ - ); - -/****************************************************************************/ -/** * Initiates a transfer when the descriptors have already been setup. * * This is a special case, and normally, the dma_transfer_xxx functions should diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index 6b22b543a83f0f..d5088900af6c89 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -44,7 +44,7 @@ #include <mach/aemif.h> #include <mach/spi.h> -#define DA850_EVM_PHY_ID "0:00" +#define DA850_EVM_PHY_ID "davinci_mdio-0:00" #define DA850_LCD_PWR_PIN GPIO_TO_PIN(2, 8) #define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15) diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index 346e1de2f5a857..849311d3cb7c18 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -54,7 +54,7 @@ static inline int have_tvp7002(void) return 0; } -#define DM365_EVM_PHY_ID "0:01" +#define DM365_EVM_PHY_ID "davinci_mdio-0:01" /* * A MAX-II CPLD is used for various board control functions. */ diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c index a64b49cfedcad5..1247ecdcf752d5 100644 --- a/arch/arm/mach-davinci/board-dm644x-evm.c +++ b/arch/arm/mach-davinci/board-dm644x-evm.c @@ -40,7 +40,7 @@ #include <mach/usb.h> #include <mach/aemif.h> -#define DM644X_EVM_PHY_ID "0:01" +#define DM644X_EVM_PHY_ID "davinci_mdio-0:01" #define LXT971_PHY_ID (0x001378e2) #define LXT971_PHY_MASK (0xfffffff0) diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c index 64017558860bd0..872ac69fa0490a 100644 --- a/arch/arm/mach-davinci/board-dm646x-evm.c +++ b/arch/arm/mach-davinci/board-dm646x-evm.c @@ -736,7 +736,7 @@ static struct davinci_uart_config uart_config __initdata = { .enabled_uarts = (1 << 0), }; -#define DM646X_EVM_PHY_ID "0:01" +#define DM646X_EVM_PHY_ID "davinci_mdio-0:01" /* * The following EDMA channels/slots are not being used by drivers (for * example: Timer, GPIO, UART events etc) on dm646x, hence they are being diff --git a/arch/arm/mach-davinci/board-neuros-osd2.c b/arch/arm/mach-davinci/board-neuros-osd2.c index 6c4a16415d476f..8d34f513d41507 100644 --- a/arch/arm/mach-davinci/board-neuros-osd2.c +++ b/arch/arm/mach-davinci/board-neuros-osd2.c @@ -39,7 +39,7 @@ #include <mach/mmc.h> #include <mach/usb.h> -#define NEUROS_OSD2_PHY_ID "0:01" +#define NEUROS_OSD2_PHY_ID "davinci_mdio-0:01" #define LXT971_PHY_ID 0x001378e2 #define LXT971_PHY_MASK 0xfffffff0 diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index e7c0c7c5349371..45e815760a27fd 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -21,7 +21,7 @@ #include <mach/da8xx.h> #include <mach/mux.h> -#define HAWKBOARD_PHY_ID "0:07" +#define HAWKBOARD_PHY_ID "davinci_mdio-0:07" #define DA850_HAWK_MMCSD_CD_PIN GPIO_TO_PIN(3, 12) #define DA850_HAWK_MMCSD_WP_PIN GPIO_TO_PIN(3, 13) diff --git a/arch/arm/mach-davinci/board-sffsdr.c b/arch/arm/mach-davinci/board-sffsdr.c index 0b136a831c5956..31da3c5b2ba37f 100644 --- a/arch/arm/mach-davinci/board-sffsdr.c +++ b/arch/arm/mach-davinci/board-sffsdr.c @@ -42,7 +42,7 @@ #include <mach/mux.h> #include <mach/usb.h> -#define SFFSDR_PHY_ID "0:01" +#define SFFSDR_PHY_ID "davinci_mdio-0:01" static struct mtd_partition davinci_sffsdr_nandflash_partition[] = { /* U-Boot Environment: Block 0 * UBL: Block 1 diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index 0ed7fdb64efbf5..992c4c4101856d 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -153,34 +153,6 @@ static struct clk pll1_sysclk3 = { .div_reg = PLLDIV3, }; -static struct clk pll1_sysclk4 = { - .name = "pll1_sysclk4", - .parent = &pll1_clk, - .flags = CLK_PLL, - .div_reg = PLLDIV4, -}; - -static struct clk pll1_sysclk5 = { - .name = "pll1_sysclk5", - .parent = &pll1_clk, - .flags = CLK_PLL, - .div_reg = PLLDIV5, -}; - -static struct clk pll1_sysclk6 = { - .name = "pll0_sysclk6", - .parent = &pll0_clk, - .flags = CLK_PLL, - .div_reg = PLLDIV6, -}; - -static struct clk pll1_sysclk7 = { - .name = "pll1_sysclk7", - .parent = &pll1_clk, - .flags = CLK_PLL, - .div_reg = PLLDIV7, -}; - static struct clk i2c0_clk = { .name = "i2c0", .parent = &pll0_aux_clk, @@ -397,10 +369,6 @@ static struct clk_lookup da850_clks[] = { CLK(NULL, "pll1_aux", &pll1_aux_clk), CLK(NULL, "pll1_sysclk2", &pll1_sysclk2), CLK(NULL, "pll1_sysclk3", &pll1_sysclk3), - CLK(NULL, "pll1_sysclk4", &pll1_sysclk4), - CLK(NULL, "pll1_sysclk5", &pll1_sysclk5), - CLK(NULL, "pll1_sysclk6", &pll1_sysclk6), - CLK(NULL, "pll1_sysclk7", &pll1_sysclk7), CLK("i2c_davinci.1", NULL, &i2c0_clk), CLK(NULL, "timer0", &timerp64_0_clk), CLK("watchdog", NULL, &timerp64_1_clk), diff --git a/arch/arm/mach-exynos/hotplug.c b/arch/arm/mach-exynos/hotplug.c index da70e7e3993740..dd1ad55524c97e 100644 --- a/arch/arm/mach-exynos/hotplug.c +++ b/arch/arm/mach-exynos/hotplug.c @@ -16,6 +16,7 @@ #include <linux/io.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> #include <mach/regs-pmu.h> diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c index 683aec786b7897..0f2035a1eb6e5f 100644 --- a/arch/arm/mach-exynos/platsmp.c +++ b/arch/arm/mach-exynos/platsmp.c @@ -23,6 +23,7 @@ #include <asm/cacheflush.h> #include <asm/hardware/gic.h> +#include <asm/smp_plat.h> #include <asm/smp_scu.h> #include <mach/hardware.h> diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index 7afbe1e55bebe7..8394d512a40227 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -25,6 +25,7 @@ #include <linux/smp.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> #include <asm/smp_scu.h> #include <asm/hardware/arm_timer.h> #include <asm/hardware/timer-sp.h> @@ -72,9 +73,7 @@ static void __init highbank_map_io(void) void highbank_set_cpu_jump(int cpu, void *jump_addr) { -#ifdef CONFIG_SMP cpu = cpu_logical_map(cpu); -#endif writel(virt_to_phys(jump_addr), HB_JUMP_TABLE_VIRT(cpu)); __cpuc_flush_dcache_area(HB_JUMP_TABLE_VIRT(cpu), 16); outer_clean_range(HB_JUMP_TABLE_PHYS(cpu), diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 09f357bcecdee3..4defb97bbfc866 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -87,7 +87,6 @@ config SOC_IMX35 config SOC_IMX5 select CPU_V7 - select ARM_L1_CACHE_SHIFT_6 select MXC_TZIC select ARCH_MXC_IOMUX_V3 select ARCH_MXC_AUDMUX_V2 diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c index 9273c2a24b540a..2d88f8b9a45499 100644 --- a/arch/arm/mach-imx/clock-imx6q.c +++ b/arch/arm/mach-imx/clock-imx6q.c @@ -814,6 +814,16 @@ DEF_PFD(pll3_pfd_540m, PFD_480, PFD1, &pll3_usb_otg); DEF_PFD(pll3_pfd_508m, PFD_480, PFD2, &pll3_usb_otg); DEF_PFD(pll3_pfd_454m, PFD_480, PFD3, &pll3_usb_otg); +static unsigned long twd_clk_get_rate(struct clk *clk) +{ + return clk_get_rate(clk->parent) / 2; +} + +static struct clk twd_clk = { + .parent = &arm_clk, + .get_rate = twd_clk_get_rate, +}; + static unsigned long pll2_200m_get_rate(struct clk *clk) { return clk_get_rate(clk->parent) / 2; @@ -1894,6 +1904,7 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("20ec000.sdma", NULL, sdma_clk), _REGISTER_CLOCK("20bc000.wdog", NULL, dummy_clk), _REGISTER_CLOCK("20c0000.wdog", NULL, dummy_clk), + _REGISTER_CLOCK("smp_twd", NULL, twd_clk), _REGISTER_CLOCK(NULL, "ckih", ckih_clk), _REGISTER_CLOCK(NULL, "ckil_clk", ckil_clk), _REGISTER_CLOCK(NULL, "aips_tz1_clk", aips_tz1_clk), diff --git a/arch/arm/mach-imx/mach-mx53_ard.c b/arch/arm/mach-imx/mach-mx53_ard.c index 08dfb7628d2deb..753f4fc9ec04ae 100644 --- a/arch/arm/mach-imx/mach-mx53_ard.c +++ b/arch/arm/mach-imx/mach-mx53_ard.c @@ -188,8 +188,10 @@ static int weim_cs_config(void) return -ENOMEM; iomuxc_base = ioremap(MX53_IOMUXC_BASE_ADDR, SZ_4K); - if (!iomuxc_base) + if (!iomuxc_base) { + iounmap(weim_base); return -ENOMEM; + } /* CS1 timings for LAN9220 */ writel(0x20001, (weim_base + 0x18)); diff --git a/arch/arm/mach-imx/src.c b/arch/arm/mach-imx/src.c index 29bd1243781ede..e15f1555c59b1e 100644 --- a/arch/arm/mach-imx/src.c +++ b/arch/arm/mach-imx/src.c @@ -15,6 +15,7 @@ #include <linux/of.h> #include <linux/of_address.h> #include <linux/smp.h> +#include <asm/smp_plat.h> #define SRC_SCR 0x000 #define SRC_GPR1 0x020 @@ -24,10 +25,6 @@ static void __iomem *src_base; -#ifndef CONFIG_SMP -#define cpu_logical_map(cpu) 0 -#endif - void imx_enable_cpu(int cpu, bool enable) { u32 mask, val; diff --git a/arch/arm/mach-msm/hotplug.c b/arch/arm/mach-msm/hotplug.c index 41c252de0215b3..a446fc14221f6f 100644 --- a/arch/arm/mach-msm/hotplug.c +++ b/arch/arm/mach-msm/hotplug.c @@ -11,6 +11,7 @@ #include <linux/smp.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> extern volatile int pen_release; diff --git a/arch/arm/mach-msm/platsmp.c b/arch/arm/mach-msm/platsmp.c index 0b3e357c4c8c81..db0117ec55f4ad 100644 --- a/arch/arm/mach-msm/platsmp.c +++ b/arch/arm/mach-msm/platsmp.c @@ -20,6 +20,7 @@ #include <asm/cacheflush.h> #include <asm/cputype.h> #include <asm/mach-types.h> +#include <asm/smp_plat.h> #include <mach/msm_iomap.h> diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index a8ba7b96dcd1c3..d965da45160e67 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -33,7 +33,6 @@ config ARCH_OMAP3 default y select CPU_V7 select USB_ARCH_HAS_EHCI - select ARM_L1_CACHE_SHIFT_6 if !ARCH_OMAP4 select ARCH_HAS_OPP select PM_OPP if PM select ARM_CPU_SUSPEND if PM @@ -214,13 +213,12 @@ config MACH_OMAP3_PANDORA depends on ARCH_OMAP3 default y select OMAP_PACKAGE_CBB - select REGULATOR_FIXED_VOLTAGE + select REGULATOR_FIXED_VOLTAGE if REGULATOR config MACH_OMAP3_TOUCHBOOK bool "OMAP3 Touch Book" depends on ARCH_OMAP3 default y - select BACKLIGHT_CLASS_DEVICE config MACH_OMAP_3430SDP bool "OMAP 3430 SDP board" @@ -266,7 +264,7 @@ config MACH_OMAP_ZOOM2 select SERIAL_8250 select SERIAL_CORE_CONSOLE select SERIAL_8250_CONSOLE - select REGULATOR_FIXED_VOLTAGE + select REGULATOR_FIXED_VOLTAGE if REGULATOR config MACH_OMAP_ZOOM3 bool "OMAP3630 Zoom3 board" @@ -276,7 +274,7 @@ config MACH_OMAP_ZOOM3 select SERIAL_8250 select SERIAL_CORE_CONSOLE select SERIAL_8250_CONSOLE - select REGULATOR_FIXED_VOLTAGE + select REGULATOR_FIXED_VOLTAGE if REGULATOR config MACH_CM_T35 bool "CompuLab CM-T35/CM-T3730 modules" @@ -335,7 +333,7 @@ config MACH_OMAP_4430SDP depends on ARCH_OMAP4 select OMAP_PACKAGE_CBL select OMAP_PACKAGE_CBS - select REGULATOR_FIXED_VOLTAGE + select REGULATOR_FIXED_VOLTAGE if REGULATOR config MACH_OMAP4_PANDA bool "OMAP4 Panda Board" @@ -343,7 +341,7 @@ config MACH_OMAP4_PANDA depends on ARCH_OMAP4 select OMAP_PACKAGE_CBL select OMAP_PACKAGE_CBS - select REGULATOR_FIXED_VOLTAGE + select REGULATOR_FIXED_VOLTAGE if REGULATOR config OMAP3_EMU bool "OMAP3 debugging peripherals" diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index 39fba9df17fba3..21fc876486601f 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -52,8 +52,9 @@ #define ETH_KS8851_QUART 138 #define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO 184 #define OMAP4_SFH7741_ENABLE_GPIO 188 -#define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */ +#define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */ #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */ +#define HDMI_GPIO_HPD 63 /* Hotplug detect */ #define DISPLAY_SEL_GPIO 59 /* LCD2/PicoDLP switch */ #define DLP_POWER_ON_GPIO 40 @@ -603,8 +604,9 @@ static void __init omap_sfh7741prox_init(void) } static struct gpio sdp4430_hdmi_gpios[] = { - { HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_hpd" }, + { HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" }, { HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" }, + { HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" }, }; static int sdp4430_panel_enable_hdmi(struct omap_dss_device *dssdev) @@ -621,8 +623,7 @@ static int sdp4430_panel_enable_hdmi(struct omap_dss_device *dssdev) static void sdp4430_panel_disable_hdmi(struct omap_dss_device *dssdev) { - gpio_free(HDMI_GPIO_LS_OE); - gpio_free(HDMI_GPIO_HPD); + gpio_free_array(sdp4430_hdmi_gpios, ARRAY_SIZE(sdp4430_hdmi_gpios)); } static struct nokia_dsi_panel_data dsi1_panel = { @@ -738,6 +739,10 @@ static void sdp4430_lcd_init(void) pr_err("%s: Could not get lcd2_reset_gpio\n", __func__); } +static struct omap_dss_hdmi_data sdp4430_hdmi_data = { + .hpd_gpio = HDMI_GPIO_HPD, +}; + static struct omap_dss_device sdp4430_hdmi_device = { .name = "hdmi", .driver_name = "hdmi_panel", @@ -745,6 +750,7 @@ static struct omap_dss_device sdp4430_hdmi_device = { .platform_enable = sdp4430_panel_enable_hdmi, .platform_disable = sdp4430_panel_disable_hdmi, .channel = OMAP_DSS_CHANNEL_DIGIT, + .data = &sdp4430_hdmi_data, }; static struct picodlp_panel_data sdp4430_picodlp_pdata = { @@ -829,6 +835,10 @@ static void omap_4430sdp_display_init(void) omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP); else omap_hdmi_init(0); + + omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT); + omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT); + omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN); } #ifdef CONFIG_OMAP_MUX diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index 30ad40db2cf395..b7779c206a90af 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -51,8 +51,9 @@ #define GPIO_HUB_NRESET 62 #define GPIO_WIFI_PMENA 43 #define GPIO_WIFI_IRQ 53 -#define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */ +#define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */ #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */ +#define HDMI_GPIO_HPD 63 /* Hotplug detect */ /* wl127x BT, FM, GPS connectivity chip */ static int wl1271_gpios[] = {46, -1, -1}; @@ -413,8 +414,9 @@ int __init omap4_panda_dvi_init(void) } static struct gpio panda_hdmi_gpios[] = { - { HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_hpd" }, + { HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" }, { HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" }, + { HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" }, }; static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev) @@ -431,10 +433,13 @@ static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev) static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev) { - gpio_free(HDMI_GPIO_LS_OE); - gpio_free(HDMI_GPIO_HPD); + gpio_free_array(panda_hdmi_gpios, ARRAY_SIZE(panda_hdmi_gpios)); } +static struct omap_dss_hdmi_data omap4_panda_hdmi_data = { + .hpd_gpio = HDMI_GPIO_HPD, +}; + static struct omap_dss_device omap4_panda_hdmi_device = { .name = "hdmi", .driver_name = "hdmi_panel", @@ -442,6 +447,7 @@ static struct omap_dss_device omap4_panda_hdmi_device = { .platform_enable = omap4_panda_panel_enable_hdmi, .platform_disable = omap4_panda_panel_disable_hdmi, .channel = OMAP_DSS_CHANNEL_DIGIT, + .data = &omap4_panda_hdmi_data, }; static struct omap_dss_device *omap4_panda_dss_devices[] = { @@ -473,6 +479,10 @@ void omap4_panda_display_init(void) omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP); else omap_hdmi_init(0); + + omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT); + omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT); + omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN); } static void __init omap4_panda_init(void) diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 0b510ad01a00b5..283d11eae69311 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -405,6 +405,7 @@ static int omap_mcspi_init(struct omap_hwmod *oh, void *unused) break; default: pr_err("Invalid McSPI Revision value\n"); + kfree(pdata); return -EINVAL; } diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index 3c446d1a1781fe..3677b1f58b85f3 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -103,12 +103,8 @@ static void omap4_hdmi_mux_pads(enum omap_hdmi_flags flags) u32 reg; u16 control_i2c_1; - /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */ - omap_mux_init_signal("hdmi_hpd", - OMAP_PIN_INPUT_PULLUP); omap_mux_init_signal("hdmi_cec", OMAP_PIN_INPUT_PULLUP); - /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */ omap_mux_init_signal("hdmi_ddc_scl", OMAP_PIN_INPUT_PULLUP); omap_mux_init_signal("hdmi_ddc_sda", diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 130034bf01d5f8..dfffbbf4c00962 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -528,7 +528,13 @@ int gpmc_cs_configure(int cs, int cmd, int wval) case GPMC_CONFIG_DEV_SIZE: regval = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); + + /* clear 2 target bits */ + regval &= ~GPMC_CONFIG1_DEVICESIZE(3); + + /* set the proper value */ regval |= GPMC_CONFIG1_DEVICESIZE(wval); + gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, regval); break; diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index bd844af13af561..ad0adb5a1e0eb6 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c @@ -175,14 +175,15 @@ static void hsmmc2_select_input_clk_src(struct omap_mmc_platform_data *mmc) { u32 reg; - if (mmc->slots[0].internal_clock) { - reg = omap_ctrl_readl(control_devconf1_offset); + reg = omap_ctrl_readl(control_devconf1_offset); + if (mmc->slots[0].internal_clock) reg |= OMAP2_MMCSDIO2ADPCLKISEL; - omap_ctrl_writel(reg, control_devconf1_offset); - } + else + reg &= ~OMAP2_MMCSDIO2ADPCLKISEL; + omap_ctrl_writel(reg, control_devconf1_offset); } -static void hsmmc23_before_set_reg(struct device *dev, int slot, +static void hsmmc2_before_set_reg(struct device *dev, int slot, int power_on, int vdd) { struct omap_mmc_platform_data *mmc = dev->platform_data; @@ -407,14 +408,13 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, c->caps &= ~MMC_CAP_8_BIT_DATA; c->caps |= MMC_CAP_4_BIT_DATA; } - /* FALLTHROUGH */ - case 3: if (mmc->slots[0].features & HSMMC_HAS_PBIAS) { /* off-chip level shifting, or none */ - mmc->slots[0].before_set_reg = hsmmc23_before_set_reg; + mmc->slots[0].before_set_reg = hsmmc2_before_set_reg; mmc->slots[0].after_set_reg = NULL; } break; + case 3: case 4: case 5: mmc->slots[0].before_set_reg = NULL; diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 3f174d51f67fb8..eb50c29fb6448e 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -388,7 +388,7 @@ static void __init omap_hwmod_init_postsetup(void) omap_pm_if_early_init(); } -#ifdef CONFIG_ARCH_OMAP2 +#ifdef CONFIG_SOC_OMAP2420 void __init omap2420_init_early(void) { omap2_set_globals_242x(); @@ -400,7 +400,9 @@ void __init omap2420_init_early(void) omap_hwmod_init_postsetup(); omap2420_clk_init(); } +#endif +#ifdef CONFIG_SOC_OMAP2430 void __init omap2430_init_early(void) { omap2_set_globals_243x(); diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c index c11273da5dcc33..f08e442af3976d 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c @@ -56,27 +56,6 @@ struct omap_hwmod_class omap2_dss_hwmod_class = { }; /* - * 'dispc' class - * display controller - */ - -static struct omap_hwmod_class_sysconfig omap2_dispc_sysc = { - .rev_offs = 0x0000, - .sysc_offs = 0x0010, - .syss_offs = 0x0014, - .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE | - SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), - .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | - MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART), - .sysc_fields = &omap_hwmod_sysc_type1, -}; - -struct omap_hwmod_class omap2_dispc_hwmod_class = { - .name = "dispc", - .sysc = &omap2_dispc_sysc, -}; - -/* * 'rfbi' class * remote frame buffer interface */ diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c index 177dee20faef1e..2a6729741b069c 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c @@ -28,6 +28,28 @@ struct omap_hwmod_dma_info omap2xxx_dss_sdma_chs[] = { { .name = "dispc", .dma_req = 5 }, { .dma_req = -1 } }; + +/* + * 'dispc' class + * display controller + */ + +static struct omap_hwmod_class_sysconfig omap2_dispc_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE | + SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +struct omap_hwmod_class omap2_dispc_hwmod_class = { + .name = "dispc", + .sysc = &omap2_dispc_sysc, +}; + /* OMAP2xxx Timer Common */ static struct omap_hwmod_class_sysconfig omap2xxx_timer_sysc = { .rev_offs = 0x0000, diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 5324e8d93bc026..3c8dd928628efd 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -1480,6 +1480,28 @@ static struct omap_hwmod omap3xxx_dss_core_hwmod = { .masters_cnt = ARRAY_SIZE(omap3xxx_dss_masters), }; +/* + * 'dispc' class + * display controller + */ + +static struct omap_hwmod_class_sysconfig omap3_dispc_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE | + SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE | + SYSC_HAS_ENAWAKEUP), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap3_dispc_hwmod_class = { + .name = "dispc", + .sysc = &omap3_dispc_sysc, +}; + /* l4_core -> dss_dispc */ static struct omap_hwmod_ocp_if omap3xxx_l4_core__dss_dispc = { .master = &omap3xxx_l4_core_hwmod, @@ -1503,7 +1525,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_dss_dispc_slaves[] = { static struct omap_hwmod omap3xxx_dss_dispc_hwmod = { .name = "dss_dispc", - .class = &omap2_dispc_hwmod_class, + .class = &omap3_dispc_hwmod_class, .mpu_irqs = omap2_dispc_irqs, .main_clk = "dss1_alwon_fck", .prcm = { @@ -3523,12 +3545,6 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = { &omap3xxx_uart2_hwmod, &omap3xxx_uart3_hwmod, - /* dss class */ - &omap3xxx_dss_dispc_hwmod, - &omap3xxx_dss_dsi1_hwmod, - &omap3xxx_dss_rfbi_hwmod, - &omap3xxx_dss_venc_hwmod, - /* i2c class */ &omap3xxx_i2c1_hwmod, &omap3xxx_i2c2_hwmod, @@ -3635,6 +3651,15 @@ static __initdata struct omap_hwmod *am35xx_hwmods[] = { NULL }; +static __initdata struct omap_hwmod *omap3xxx_dss_hwmods[] = { + /* dss class */ + &omap3xxx_dss_dispc_hwmod, + &omap3xxx_dss_dsi1_hwmod, + &omap3xxx_dss_rfbi_hwmod, + &omap3xxx_dss_venc_hwmod, + NULL +}; + int __init omap3xxx_hwmod_init(void) { int r; @@ -3708,6 +3733,21 @@ int __init omap3xxx_hwmod_init(void) if (h) r = omap_hwmod_register(h); + if (r < 0) + return r; + + /* + * DSS code presumes that dss_core hwmod is handled first, + * _before_ any other DSS related hwmods so register common + * DSS hwmods last to ensure that dss_core is already registered. + * Otherwise some change things may happen, for ex. if dispc + * is handled before dss_core and DSS is enabled in bootloader + * DIPSC will be reset with outputs enabled which sometimes leads + * to unrecoverable L3 error. + * XXX The long-term fix to this is to ensure modules are set up + * in dependency order in the hwmod core code. + */ + r = omap_hwmod_register(omap3xxx_dss_hwmods); return r; } diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index f9f15108176033..ef0524c10a8402 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -1031,6 +1031,7 @@ static struct omap_hwmod_dma_info omap44xx_dmic_sdma_reqs[] = { static struct omap_hwmod_addr_space omap44xx_dmic_addrs[] = { { + .name = "mpu", .pa_start = 0x4012e000, .pa_end = 0x4012e07f, .flags = ADDR_TYPE_RT @@ -1049,6 +1050,7 @@ static struct omap_hwmod_ocp_if omap44xx_l4_abe__dmic = { static struct omap_hwmod_addr_space omap44xx_dmic_dma_addrs[] = { { + .name = "dma", .pa_start = 0x4902e000, .pa_end = 0x4902e07f, .flags = ADDR_TYPE_RT diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.c b/arch/arm/mach-omap2/prm2xxx_3xxx.c index c1c4d86a79a8e5..9ce765407ad55d 100644 --- a/arch/arm/mach-omap2/prm2xxx_3xxx.c +++ b/arch/arm/mach-omap2/prm2xxx_3xxx.c @@ -19,6 +19,7 @@ #include "common.h" #include <plat/cpu.h> #include <plat/prcm.h> +#include <plat/irqs.h> #include "vp.h" diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 247d89478f2439..f590afc1f673f3 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -107,18 +107,18 @@ static void omap_uart_set_noidle(struct platform_device *pdev) omap_hwmod_set_slave_idlemode(od->hwmods[0], HWMOD_IDLEMODE_NO); } -static void omap_uart_set_forceidle(struct platform_device *pdev) +static void omap_uart_set_smartidle(struct platform_device *pdev) { struct omap_device *od = to_omap_device(pdev); - omap_hwmod_set_slave_idlemode(od->hwmods[0], HWMOD_IDLEMODE_FORCE); + omap_hwmod_set_slave_idlemode(od->hwmods[0], HWMOD_IDLEMODE_SMART); } #else static void omap_uart_enable_wakeup(struct platform_device *pdev, bool enable) {} static void omap_uart_set_noidle(struct platform_device *pdev) {} -static void omap_uart_set_forceidle(struct platform_device *pdev) {} +static void omap_uart_set_smartidle(struct platform_device *pdev) {} #endif /* CONFIG_PM */ #ifdef CONFIG_OMAP_MUX @@ -349,7 +349,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata, omap_up.uartclk = OMAP24XX_BASE_BAUD * 16; omap_up.flags = UPF_BOOT_AUTOCONF; omap_up.get_context_loss_count = omap_pm_get_dev_context_loss_count; - omap_up.set_forceidle = omap_uart_set_forceidle; + omap_up.set_forceidle = omap_uart_set_smartidle; omap_up.set_noidle = omap_uart_set_noidle; omap_up.enable_wakeup = omap_uart_enable_wakeup; omap_up.dma_rx_buf_size = info->dma_rx_buf_size; diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c index 9dd93453e563ea..7e755bb0ffc4c6 100644 --- a/arch/arm/mach-omap2/smartreflex.c +++ b/arch/arm/mach-omap2/smartreflex.c @@ -897,7 +897,7 @@ static int __init omap_sr_probe(struct platform_device *pdev) ret = sr_late_init(sr_info); if (ret) { pr_warning("%s: Error in SR late init\n", __func__); - return ret; + goto err_iounmap; } } diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 6eeff0e0ae0193..5c9acea9576191 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -270,7 +270,7 @@ static struct clocksource clocksource_gpt = { static u32 notrace dmtimer_read_sched_clock(void) { if (clksrc.reserved) - return __omap_dm_timer_read_counter(clksrc.io_base, 1); + return __omap_dm_timer_read_counter(&clksrc, 1); return 0; } diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c index 18fd177073f4a5..5bc13121eac5d1 100644 --- a/arch/arm/mach-pxa/devices.c +++ b/arch/arm/mach-pxa/devices.c @@ -415,29 +415,9 @@ static struct resource pxa_rtc_resources[] = { }, }; -static struct resource sa1100_rtc_resources[] = { - [0] = { - .start = 0x40900000, - .end = 0x409000ff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_RTC1Hz, - .end = IRQ_RTC1Hz, - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = IRQ_RTCAlrm, - .end = IRQ_RTCAlrm, - .flags = IORESOURCE_IRQ, - }, -}; - struct platform_device sa1100_device_rtc = { .name = "sa1100-rtc", .id = -1, - .num_resources = ARRAY_SIZE(sa1100_rtc_resources), - .resource = sa1100_rtc_resources, }; struct platform_device pxa_device_rtc = { diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index adf058fa97ee56..91e4f6c0376614 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -209,8 +209,6 @@ static struct clk_lookup pxa25x_clkregs[] = { INIT_CLKREG(&clk_pxa25x_gpio11, NULL, "GPIO11_CLK"), INIT_CLKREG(&clk_pxa25x_gpio12, NULL, "GPIO12_CLK"), INIT_CLKREG(&clk_pxa25x_mem, "pxa2xx-pcmcia", NULL), - INIT_CLKREG(&clk_dummy, "pxa-gpio", NULL), - INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), }; static struct clk_lookup pxa25x_hwuart_clkreg = diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 180bd8675d4b01..aed6cbcf386641 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -230,8 +230,6 @@ static struct clk_lookup pxa27x_clkregs[] = { INIT_CLKREG(&clk_pxa27x_im, NULL, "IMCLK"), INIT_CLKREG(&clk_pxa27x_memc, NULL, "MEMCLK"), INIT_CLKREG(&clk_pxa27x_mem, "pxa2xx-pcmcia", NULL), - INIT_CLKREG(&clk_dummy, "pxa-gpio", NULL), - INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), }; #ifdef CONFIG_PM diff --git a/arch/arm/mach-pxa/pxa300.c b/arch/arm/mach-pxa/pxa300.c index 0388eda7878aa9..40bb16501d8601 100644 --- a/arch/arm/mach-pxa/pxa300.c +++ b/arch/arm/mach-pxa/pxa300.c @@ -89,7 +89,6 @@ static DEFINE_PXA3_CKEN(gcu, PXA300_GCU, 0, 0); static struct clk_lookup common_clkregs[] = { INIT_CLKREG(&clk_common_nand, "pxa3xx-nand", NULL), INIT_CLKREG(&clk_gcu, "pxa3xx-gcu", NULL), - INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), }; static DEFINE_PXA3_CKEN(pxa310_mmc3, MMC3, 19500000, 0); diff --git a/arch/arm/mach-pxa/pxa320.c b/arch/arm/mach-pxa/pxa320.c index d487e1ff4c9a45..8d614ecd8e998d 100644 --- a/arch/arm/mach-pxa/pxa320.c +++ b/arch/arm/mach-pxa/pxa320.c @@ -83,7 +83,6 @@ static DEFINE_PXA3_CKEN(gcu, PXA320_GCU, 0, 0); static struct clk_lookup pxa320_clkregs[] = { INIT_CLKREG(&clk_pxa320_nand, "pxa3xx-nand", NULL), INIT_CLKREG(&clk_gcu, "pxa3xx-gcu", NULL), - INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), }; static int __init pxa320_init(void) diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index f107c71c7589f1..4f402afa6609c0 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -67,7 +67,6 @@ static struct clk_lookup pxa3xx_clkregs[] = { INIT_CLKREG(&clk_pxa3xx_pout, NULL, "CLK_POUT"), /* Power I2C clock is always on */ INIT_CLKREG(&clk_dummy, "pxa3xx-pwri2c.1", NULL), - INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), INIT_CLKREG(&clk_pxa3xx_lcd, "pxa2xx-fb", NULL), INIT_CLKREG(&clk_pxa3xx_camera, NULL, "CAMCLK"), INIT_CLKREG(&clk_pxa3xx_ac97, NULL, "AC97CLK"), diff --git a/arch/arm/mach-pxa/pxa95x.c b/arch/arm/mach-pxa/pxa95x.c index fccc644702e6d4..d082a583df78a1 100644 --- a/arch/arm/mach-pxa/pxa95x.c +++ b/arch/arm/mach-pxa/pxa95x.c @@ -217,7 +217,6 @@ static struct clk_lookup pxa95x_clkregs[] = { INIT_CLKREG(&clk_pxa95x_pout, NULL, "CLK_POUT"), /* Power I2C clock is always on */ INIT_CLKREG(&clk_dummy, "pxa3xx-pwri2c.1", NULL), - INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), INIT_CLKREG(&clk_pxa95x_lcd, "pxa2xx-fb", NULL), INIT_CLKREG(&clk_pxa95x_ffuart, "pxa2xx-uart.0", NULL), INIT_CLKREG(&clk_pxa95x_btuart, "pxa2xx-uart.1", NULL), diff --git a/arch/arm/mach-realview/hotplug.c b/arch/arm/mach-realview/hotplug.c index ac1aed2a8da4c7..eb55f05bef3a15 100644 --- a/arch/arm/mach-realview/hotplug.c +++ b/arch/arm/mach-realview/hotplug.c @@ -13,6 +13,7 @@ #include <linux/smp.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> extern volatile int pen_release; diff --git a/arch/arm/mach-realview/include/mach/board-eb.h b/arch/arm/mach-realview/include/mach/board-eb.h index 794a8d91a6a621..124bce6b4d7ba5 100644 --- a/arch/arm/mach-realview/include/mach/board-eb.h +++ b/arch/arm/mach-realview/include/mach/board-eb.h @@ -47,21 +47,23 @@ #define REALVIEW_EB_USB_BASE 0x4F000000 /* USB */ #ifdef CONFIG_REALVIEW_EB_ARM11MP_REVB -#define REALVIEW_EB11MP_SCU_BASE 0x10100000 /* SCU registers */ -#define REALVIEW_EB11MP_GIC_CPU_BASE 0x10100100 /* Generic interrupt controller CPU interface */ -#define REALVIEW_EB11MP_TWD_BASE 0x10100600 -#define REALVIEW_EB11MP_GIC_DIST_BASE 0x10101000 /* Generic interrupt controller distributor */ +#define REALVIEW_EB11MP_PRIV_MEM_BASE 0x1F000000 #define REALVIEW_EB11MP_L220_BASE 0x10102000 /* L220 registers */ #define REALVIEW_EB11MP_SYS_PLD_CTRL1 0xD8 /* Register offset for MPCore sysctl */ #else -#define REALVIEW_EB11MP_SCU_BASE 0x1F000000 /* SCU registers */ -#define REALVIEW_EB11MP_GIC_CPU_BASE 0x1F000100 /* Generic interrupt controller CPU interface */ -#define REALVIEW_EB11MP_TWD_BASE 0x1F000600 -#define REALVIEW_EB11MP_GIC_DIST_BASE 0x1F001000 /* Generic interrupt controller distributor */ +#define REALVIEW_EB11MP_PRIV_MEM_BASE 0x1F000000 #define REALVIEW_EB11MP_L220_BASE 0x1F002000 /* L220 registers */ #define REALVIEW_EB11MP_SYS_PLD_CTRL1 0x74 /* Register offset for MPCore sysctl */ #endif +#define REALVIEW_EB11MP_PRIV_MEM_SIZE SZ_8K +#define REALVIEW_EB11MP_PRIV_MEM_OFF(x) (REALVIEW_EB11MP_PRIV_MEM_BASE + (x)) + +#define REALVIEW_EB11MP_SCU_BASE REALVIEW_EB11MP_PRIV_MEM_OFF(0) /* SCU registers */ +#define REALVIEW_EB11MP_GIC_CPU_BASE REALVIEW_EB11MP_PRIV_MEM_OFF(0x0100) /* Generic interrupt controller CPU interface */ +#define REALVIEW_EB11MP_TWD_BASE REALVIEW_EB11MP_PRIV_MEM_OFF(0x0600) +#define REALVIEW_EB11MP_GIC_DIST_BASE REALVIEW_EB11MP_PRIV_MEM_OFF(0x1000) /* Generic interrupt controller distributor */ + /* * Core tile identification (REALVIEW_SYS_PROCID) */ diff --git a/arch/arm/mach-realview/include/mach/board-pb11mp.h b/arch/arm/mach-realview/include/mach/board-pb11mp.h index 7abf918b77e9fe..aa2d4e02ea2ca5 100644 --- a/arch/arm/mach-realview/include/mach/board-pb11mp.h +++ b/arch/arm/mach-realview/include/mach/board-pb11mp.h @@ -75,6 +75,8 @@ /* * Testchip peripheral and fpga gic regions */ +#define REALVIEW_TC11MP_PRIV_MEM_BASE 0x1F000000 +#define REALVIEW_TC11MP_PRIV_MEM_SIZE SZ_8K #define REALVIEW_TC11MP_SCU_BASE 0x1F000000 /* IRQ, Test chip */ #define REALVIEW_TC11MP_GIC_CPU_BASE 0x1F000100 /* Test chip interrupt controller CPU interface */ #define REALVIEW_TC11MP_TWD_BASE 0x1F000600 diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c index e6296211776387..9578145f2df031 100644 --- a/arch/arm/mach-realview/realview_eb.c +++ b/arch/arm/mach-realview/realview_eb.c @@ -91,14 +91,9 @@ static struct map_desc realview_eb_io_desc[] __initdata = { static struct map_desc realview_eb11mp_io_desc[] __initdata = { { - .virtual = IO_ADDRESS(REALVIEW_EB11MP_SCU_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB11MP_SCU_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_EB11MP_GIC_DIST_BASE), - .pfn = __phys_to_pfn(REALVIEW_EB11MP_GIC_DIST_BASE), - .length = SZ_4K, + .virtual = IO_ADDRESS(REALVIEW_EB11MP_PRIV_MEM_BASE), + .pfn = __phys_to_pfn(REALVIEW_EB11MP_PRIV_MEM_BASE), + .length = REALVIEW_EB11MP_PRIV_MEM_SIZE, .type = MT_DEVICE, }, { .virtual = IO_ADDRESS(REALVIEW_EB11MP_L220_BASE), diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c index 127a3fd42ab13d..2147335f66f5d6 100644 --- a/arch/arm/mach-realview/realview_pb11mp.c +++ b/arch/arm/mach-realview/realview_pb11mp.c @@ -64,15 +64,10 @@ static struct map_desc realview_pb11mp_io_desc[] __initdata = { .pfn = __phys_to_pfn(REALVIEW_PB11MP_GIC_DIST_BASE), .length = SZ_4K, .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_CPU_BASE), - .pfn = __phys_to_pfn(REALVIEW_TC11MP_GIC_CPU_BASE), - .length = SZ_4K, - .type = MT_DEVICE, - }, { - .virtual = IO_ADDRESS(REALVIEW_TC11MP_GIC_DIST_BASE), - .pfn = __phys_to_pfn(REALVIEW_TC11MP_GIC_DIST_BASE), - .length = SZ_4K, + }, { /* Maps the SCU, GIC CPU interface, TWD, GIC DIST */ + .virtual = IO_ADDRESS(REALVIEW_TC11MP_PRIV_MEM_BASE), + .pfn = __phys_to_pfn(REALVIEW_TC11MP_PRIV_MEM_BASE), + .length = REALVIEW_TC11MP_PRIV_MEM_SIZE, .type = MT_DEVICE, }, { .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE), diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c index ebafe8aa8956e1..0c4b76ab4d8eba 100644 --- a/arch/arm/mach-sa1100/assabet.c +++ b/arch/arm/mach-sa1100/assabet.c @@ -202,7 +202,6 @@ static struct irda_platform_data assabet_irda_data = { static struct mcp_plat_data assabet_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, - .codec = "ucb1x00", }; static void __init assabet_init(void) @@ -253,17 +252,6 @@ static void __init assabet_init(void) sa11x0_register_mtd(&assabet_flash_data, assabet_flash_resources, ARRAY_SIZE(assabet_flash_resources)); sa11x0_register_irda(&assabet_irda_data); - - /* - * Setup the PPC unit correctly. - */ - PPDR &= ~PPC_RXD4; - PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; - PSDR |= PPC_RXD4; - PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - - ASSABET_BCR_set(ASSABET_BCR_CODEC_RST); sa11x0_register_mcp(&assabet_mcp_data); } diff --git a/arch/arm/mach-sa1100/cerf.c b/arch/arm/mach-sa1100/cerf.c index d12d0f48b1dc4b..11bb6d0b9be377 100644 --- a/arch/arm/mach-sa1100/cerf.c +++ b/arch/arm/mach-sa1100/cerf.c @@ -124,23 +124,12 @@ static void __init cerf_map_io(void) static struct mcp_plat_data cerf_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, - .codec = "ucb1x00", }; static void __init cerf_init(void) { platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices)); sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1); - - /* - * Setup the PPC unit correctly. - */ - PPDR &= ~PPC_RXD4; - PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; - PSDR |= PPC_RXD4; - PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - sa11x0_register_mcp(&cerf_mcp_data); } diff --git a/arch/arm/mach-sa1100/clock.c b/arch/arm/mach-sa1100/clock.c index d6df9f6c9f7e42..dab3c6347a8f2d 100644 --- a/arch/arm/mach-sa1100/clock.c +++ b/arch/arm/mach-sa1100/clock.c @@ -11,39 +11,17 @@ #include <linux/clk.h> #include <linux/spinlock.h> #include <linux/mutex.h> -#include <linux/io.h> -#include <linux/clkdev.h> #include <mach/hardware.h> -struct clkops { - void (*enable)(struct clk *); - void (*disable)(struct clk *); - unsigned long (*getrate)(struct clk *); -}; - +/* + * Very simple clock implementation - we only have one clock to deal with. + */ struct clk { - const struct clkops *ops; - unsigned long rate; unsigned int enabled; }; -#define INIT_CLKREG(_clk, _devname, _conname) \ - { \ - .clk = _clk, \ - .dev_id = _devname, \ - .con_id = _conname, \ - } - -#define DEFINE_CLK(_name, _ops, _rate) \ -struct clk clk_##_name = { \ - .ops = _ops, \ - .rate = _rate, \ - } - -static DEFINE_SPINLOCK(clocks_lock); - -static void clk_gpio27_enable(struct clk *clk) +static void clk_gpio27_enable(void) { /* * First, set up the 3.6864MHz clock on GPIO 27 for the SA-1111: @@ -54,22 +32,38 @@ static void clk_gpio27_enable(struct clk *clk) TUCR = TUCR_3_6864MHz; } -static void clk_gpio27_disable(struct clk *clk) +static void clk_gpio27_disable(void) { TUCR = 0; GPDR &= ~GPIO_32_768kHz; GAFR &= ~GPIO_32_768kHz; } +static struct clk clk_gpio27; + +static DEFINE_SPINLOCK(clocks_lock); + +struct clk *clk_get(struct device *dev, const char *id) +{ + const char *devname = dev_name(dev); + + return strcmp(devname, "sa1111.0") ? ERR_PTR(-ENOENT) : &clk_gpio27; +} +EXPORT_SYMBOL(clk_get); + +void clk_put(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_put); + int clk_enable(struct clk *clk) { unsigned long flags; spin_lock_irqsave(&clocks_lock, flags); if (clk->enabled++ == 0) - clk->ops->enable(clk); + clk_gpio27_enable(); spin_unlock_irqrestore(&clocks_lock, flags); - return 0; } EXPORT_SYMBOL(clk_enable); @@ -82,48 +76,13 @@ void clk_disable(struct clk *clk) spin_lock_irqsave(&clocks_lock, flags); if (--clk->enabled == 0) - clk->ops->disable(clk); + clk_gpio27_disable(); spin_unlock_irqrestore(&clocks_lock, flags); } EXPORT_SYMBOL(clk_disable); unsigned long clk_get_rate(struct clk *clk) { - unsigned long rate; - - rate = clk->rate; - if (clk->ops->getrate) - rate = clk->ops->getrate(clk); - - return rate; + return 3686400; } EXPORT_SYMBOL(clk_get_rate); - -const struct clkops clk_gpio27_ops = { - .enable = clk_gpio27_enable, - .disable = clk_gpio27_disable, -}; - -static void clk_dummy_enable(struct clk *clk) { } -static void clk_dummy_disable(struct clk *clk) { } - -const struct clkops clk_dummy_ops = { - .enable = clk_dummy_enable, - .disable = clk_dummy_disable, -}; - -static DEFINE_CLK(gpio27, &clk_gpio27_ops, 3686400); -static DEFINE_CLK(dummy, &clk_dummy_ops, 0); - -static struct clk_lookup sa11xx_clkregs[] = { - INIT_CLKREG(&clk_gpio27, "sa1111.0", NULL), - INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL), -}; - -static int __init sa11xx_clk_init(void) -{ - clkdev_add_table(sa11xx_clkregs, ARRAY_SIZE(sa11xx_clkregs)); - return 0; -} - -postcore_initcall(sa11xx_clk_init); diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c index c483912d08af45..fd5652118ed195 100644 --- a/arch/arm/mach-sa1100/collie.c +++ b/arch/arm/mach-sa1100/collie.c @@ -27,7 +27,6 @@ #include <linux/timer.h> #include <linux/gpio.h> #include <linux/pda_power.h> -#include <linux/mfd/ucb1x00.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -86,15 +85,10 @@ static struct scoop_pcmcia_config collie_pcmcia_config = { .num_devs = 1, }; -static struct ucb1x00_plat_data collie_ucb1x00_data = { - .gpio_base = COLLIE_TC35143_GPIO_BASE, -}; - static struct mcp_plat_data collie_mcp_data = { .mccr0 = MCCR0_ADM | MCCR0_ExtClk, .sclk_rate = 9216000, - .codec = "ucb1x00", - .codec_pdata = &collie_ucb1x00_data, + .gpio_base = COLLIE_TC35143_GPIO_BASE, }; /* @@ -144,8 +138,6 @@ static struct pda_power_pdata collie_power_data = { static struct resource collie_power_resource[] = { { .name = "ac", - .start = gpio_to_irq(COLLIE_GPIO_AC_IN), - .end = gpio_to_irq(COLLIE_GPIO_AC_IN), .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE, @@ -347,7 +339,8 @@ static void __init collie_init(void) GPSR |= _COLLIE_GPIO_UCB1x00_RESET; - + collie_power_resource[0].start = gpio_to_irq(COLLIE_GPIO_AC_IN); + collie_power_resource[0].end = gpio_to_irq(COLLIE_GPIO_AC_IN); platform_scoop_config = &collie_pcmcia_config; ret = platform_add_devices(devices, ARRAY_SIZE(devices)); @@ -357,16 +350,6 @@ static void __init collie_init(void) sa11x0_register_mtd(&collie_flash_data, collie_flash_resources, ARRAY_SIZE(collie_flash_resources)); - - /* - * Setup the PPC unit correctly. - */ - PPDR &= ~PPC_RXD4; - PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; - PSDR |= PPC_RXD4; - PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - sa11x0_register_mcp(&collie_mcp_data); sharpsl_save_param(); diff --git a/arch/arm/mach-sa1100/cpu-sa1100.c b/arch/arm/mach-sa1100/cpu-sa1100.c index aaa8acf76b7b55..19b2053f5af414 100644 --- a/arch/arm/mach-sa1100/cpu-sa1100.c +++ b/arch/arm/mach-sa1100/cpu-sa1100.c @@ -228,7 +228,7 @@ static int __init sa1100_cpu_init(struct cpufreq_policy *policy) return 0; } -static struct cpufreq_driver sa1100_driver = { +static struct cpufreq_driver sa1100_driver __refdata = { .flags = CPUFREQ_STICKY, .verify = sa11x0_verify_speed, .target = sa1100_target, diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c index e3a28ca2a7b754..bb10ee2cb89f11 100644 --- a/arch/arm/mach-sa1100/generic.c +++ b/arch/arm/mach-sa1100/generic.c @@ -217,15 +217,10 @@ static struct platform_device sa11x0uart3_device = { static struct resource sa11x0mcp_resources[] = { [0] = { .start = __PREG(Ser4MCCR0), - .end = __PREG(Ser4MCCR0) + 0x1C - 1, + .end = __PREG(Ser4MCCR0) + 0xffff, .flags = IORESOURCE_MEM, }, [1] = { - .start = __PREG(Ser4MCCR1), - .end = __PREG(Ser4MCCR1) + 0x4 - 1, - .flags = IORESOURCE_MEM, - }, - [2] = { .start = IRQ_Ser4MCP, .end = IRQ_Ser4MCP, .flags = IORESOURCE_IRQ, @@ -350,29 +345,9 @@ void sa11x0_register_irda(struct irda_platform_data *irda) sa11x0_register_device(&sa11x0ir_device, irda); } -static struct resource sa11x0rtc_resources[] = { - [0] = { - .start = 0x90010000, - .end = 0x900100ff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_RTC1Hz, - .end = IRQ_RTC1Hz, - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = IRQ_RTCAlrm, - .end = IRQ_RTCAlrm, - .flags = IORESOURCE_IRQ, - }, -}; - static struct platform_device sa11x0rtc_device = { .name = "sa1100-rtc", .id = -1, - .resource = sa11x0rtc_resources, - .num_resources = ARRAY_SIZE(sa11x0rtc_resources), }; static struct platform_device *sa11x0_devices[] __initdata = { diff --git a/arch/arm/mach-sa1100/include/mach/mcp.h b/arch/arm/mach-sa1100/include/mach/mcp.h index 586cec898b35ae..ed1a331508a754 100644 --- a/arch/arm/mach-sa1100/include/mach/mcp.h +++ b/arch/arm/mach-sa1100/include/mach/mcp.h @@ -17,8 +17,6 @@ struct mcp_plat_data { u32 mccr1; unsigned int sclk_rate; int gpio_base; - const char *codec; - void *codec_pdata; }; #endif diff --git a/arch/arm/mach-sa1100/jornada720_ssp.c b/arch/arm/mach-sa1100/jornada720_ssp.c index f50b00bd18a053..b412fc09c80cb3 100644 --- a/arch/arm/mach-sa1100/jornada720_ssp.c +++ b/arch/arm/mach-sa1100/jornada720_ssp.c @@ -198,3 +198,5 @@ static int __init jornada_ssp_init(void) { return platform_driver_register(&jornadassp_driver); } + +module_init(jornada_ssp_init); diff --git a/arch/arm/mach-sa1100/lart.c b/arch/arm/mach-sa1100/lart.c index d117ceab6215c4..af4e2761f3dbf4 100644 --- a/arch/arm/mach-sa1100/lart.c +++ b/arch/arm/mach-sa1100/lart.c @@ -24,20 +24,10 @@ static struct mcp_plat_data lart_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, - .codec = "ucb1x00", }; static void __init lart_init(void) { - /* - * Setup the PPC unit correctly. - */ - PPDR &= ~PPC_RXD4; - PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; - PSDR |= PPC_RXD4; - PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - sa11x0_register_mcp(&lart_mcp_data); } diff --git a/arch/arm/mach-sa1100/shannon.c b/arch/arm/mach-sa1100/shannon.c index 748d34435b3f07..318b2b766a0b3e 100644 --- a/arch/arm/mach-sa1100/shannon.c +++ b/arch/arm/mach-sa1100/shannon.c @@ -55,22 +55,11 @@ static struct resource shannon_flash_resource = { static struct mcp_plat_data shannon_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, - .codec = "ucb1x00", }; static void __init shannon_init(void) { sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1); - - /* - * Setup the PPC unit correctly. - */ - PPDR &= ~PPC_RXD4; - PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; - PSDR |= PPC_RXD4; - PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - sa11x0_register_mcp(&shannon_mcp_data); } diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c index 458ececefa58a1..e17c04d6e32428 100644 --- a/arch/arm/mach-sa1100/simpad.c +++ b/arch/arm/mach-sa1100/simpad.c @@ -14,7 +14,6 @@ #include <linux/mtd/partitions.h> #include <linux/io.h> #include <linux/gpio.h> -#include <linux/mfd/ucb1x00.h> #include <asm/irq.h> #include <mach/hardware.h> @@ -188,15 +187,10 @@ static struct resource simpad_flash_resources [] = { } }; -static struct ucb1x00_plat_data simpad_ucb1x00_data = { - .gpio_base = SIMPAD_UCB1X00_GPIO_BASE, -}; - static struct mcp_plat_data simpad_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, - .codec = "ucb1300", - .codec_pdata = &simpad_ucb1x00_data, + .gpio_base = SIMPAD_UCB1X00_GPIO_BASE, }; @@ -384,16 +378,6 @@ static int __init simpad_init(void) sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources, ARRAY_SIZE(simpad_flash_resources)); - - /* - * Setup the PPC unit correctly. - */ - PPDR &= ~PPC_RXD4; - PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; - PSDR |= PPC_RXD4; - PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); - sa11x0_register_mcp(&simpad_mcp_data); ret = platform_add_devices(devices, ARRAY_SIZE(devices)); diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c index 6fcf304d3cdf53..a83cf51fc09906 100644 --- a/arch/arm/mach-shmobile/setup-sh7372.c +++ b/arch/arm/mach-shmobile/setup-sh7372.c @@ -662,6 +662,7 @@ static struct sh_dmae_pdata usb_dma0_platform_data = { .dmaor_is_32bit = 1, .needs_tend_set = 1, .no_dmars = 1, + .slave_only = 1, }; static struct resource sh7372_usb_dmae0_resources[] = { @@ -723,6 +724,7 @@ static struct sh_dmae_pdata usb_dma1_platform_data = { .dmaor_is_32bit = 1, .needs_tend_set = 1, .no_dmars = 1, + .slave_only = 1, }; static struct resource sh7372_usb_dmae1_resources[] = { diff --git a/arch/arm/mach-shmobile/smp-r8a7779.c b/arch/arm/mach-shmobile/smp-r8a7779.c index cc97ef892d1b33..4fe2e9eaf5016e 100644 --- a/arch/arm/mach-shmobile/smp-r8a7779.c +++ b/arch/arm/mach-shmobile/smp-r8a7779.c @@ -25,6 +25,7 @@ #include <linux/delay.h> #include <mach/common.h> #include <mach/r8a7779.h> +#include <asm/smp_plat.h> #include <asm/smp_scu.h> #include <asm/smp_twd.h> #include <asm/hardware/gic.h> diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c index be1ade76ccc81b..0d159d64a34521 100644 --- a/arch/arm/mach-shmobile/smp-sh73a0.c +++ b/arch/arm/mach-shmobile/smp-sh73a0.c @@ -23,6 +23,7 @@ #include <linux/spinlock.h> #include <linux/io.h> #include <mach/common.h> +#include <asm/smp_plat.h> #include <asm/smp_scu.h> #include <asm/smp_twd.h> #include <asm/hardware/gic.h> diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig index a3e0c8692f0d1d..52af00446a6335 100644 --- a/arch/arm/mach-ux500/Kconfig +++ b/arch/arm/mach-ux500/Kconfig @@ -7,6 +7,7 @@ config UX500_SOC_COMMON select HAS_MTU select ARM_ERRATA_753970 select ARM_ERRATA_754322 + select ARM_ERRATA_764369 menu "Ux500 SoC" diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c index 23be34b3bb6e8a..5dde4d4ebe882f 100644 --- a/arch/arm/mach-ux500/board-mop500-sdi.c +++ b/arch/arm/mach-ux500/board-mop500-sdi.c @@ -261,6 +261,8 @@ void __init mop500_sdi_init(void) void __init snowball_sdi_init(void) { + /* On Snowball MMC_CAP_SD_HIGHSPEED isn't supported (Hardware issue?) */ + mop500_sdi0_data.capabilities &= ~MMC_CAP_SD_HIGHSPEED; /* On-board eMMC */ db8500_add_sdi4(&mop500_sdi4_data, U8500_SDI_V2_PERIPHID); /* External Micro SD slot */ diff --git a/arch/arm/mach-ux500/cache-l2x0.c b/arch/arm/mach-ux500/cache-l2x0.c index 122ddde00ba78d..da5569d83d58d8 100644 --- a/arch/arm/mach-ux500/cache-l2x0.c +++ b/arch/arm/mach-ux500/cache-l2x0.c @@ -12,44 +12,6 @@ static void __iomem *l2x0_base; -static inline void ux500_cache_wait(void __iomem *reg, unsigned long mask) -{ - /* wait for the operation to complete */ - while (readl_relaxed(reg) & mask) - cpu_relax(); -} - -static inline void ux500_cache_sync(void) -{ - writel_relaxed(0, l2x0_base + L2X0_CACHE_SYNC); - ux500_cache_wait(l2x0_base + L2X0_CACHE_SYNC, 1); -} - -/* - * The L2 cache cannot be turned off in the non-secure world. - * Dummy until a secure service is in place. - */ -static void ux500_l2x0_disable(void) -{ -} - -/* - * This is only called when doing a kexec, just after turning off the L2 - * and L1 cache, and it is surrounded by a spinlock in the generic version. - * However, we're not really turning off the L2 cache right now and the - * PL310 does not support exclusive accesses (used to implement the spinlock). - * So, the invalidation needs to be done without the spinlock. - */ -static void ux500_l2x0_inv_all(void) -{ - uint32_t l2x0_way_mask = (1<<16) - 1; /* Bitmask of active ways */ - - /* invalidate all ways */ - writel_relaxed(l2x0_way_mask, l2x0_base + L2X0_INV_WAY); - ux500_cache_wait(l2x0_base + L2X0_INV_WAY, l2x0_way_mask); - ux500_cache_sync(); -} - static int __init ux500_l2x0_unlock(void) { int i; @@ -85,9 +47,13 @@ static int __init ux500_l2x0_init(void) /* 64KB way size, 8 way associativity, force WA */ l2x0_init(l2x0_base, 0x3e060000, 0xc0000fff); - /* Override invalidate function */ - outer_cache.disable = ux500_l2x0_disable; - outer_cache.inv_all = ux500_l2x0_inv_all; + /* + * We can't disable l2 as we are in non secure mode, currently + * this seems be called only during kexec path. So let's + * override outer.disable with nasty assignment until we have + * some SMI service available. + */ + outer_cache.disable = NULL; return 0; } diff --git a/arch/arm/mach-ux500/hotplug.c b/arch/arm/mach-ux500/hotplug.c index 572015e57cd997..c76f0f456f045d 100644 --- a/arch/arm/mach-ux500/hotplug.c +++ b/arch/arm/mach-ux500/hotplug.c @@ -13,6 +13,7 @@ #include <linux/smp.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> extern volatile int pen_release; diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c index a19e398dade35d..d2058ef8345fd4 100644 --- a/arch/arm/mach-ux500/platsmp.c +++ b/arch/arm/mach-ux500/platsmp.c @@ -19,6 +19,7 @@ #include <asm/cacheflush.h> #include <asm/hardware/gic.h> +#include <asm/smp_plat.h> #include <asm/smp_scu.h> #include <mach/hardware.h> #include <mach/setup.h> diff --git a/arch/arm/mach-ux500/usb.c b/arch/arm/mach-ux500/usb.c index 0a01cbdfe06339..9f9e1c203061dc 100644 --- a/arch/arm/mach-ux500/usb.c +++ b/arch/arm/mach-ux500/usb.c @@ -95,13 +95,7 @@ static struct musb_hdrc_config musb_hdrc_config = { }; static struct musb_hdrc_platform_data musb_platform_data = { -#if defined(CONFIG_USB_MUSB_OTG) .mode = MUSB_OTG, -#elif defined(CONFIG_USB_MUSB_PERIPHERAL) - .mode = MUSB_PERIPHERAL, -#else /* defined(CONFIG_USB_MUSB_HOST) */ - .mode = MUSB_HOST, -#endif .config = &musb_hdrc_config, .board_data = &musb_board_data, }; diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c index 2b1e836a76ed77..b1e87c184e54b3 100644 --- a/arch/arm/mach-vexpress/ct-ca9x4.c +++ b/arch/arm/mach-vexpress/ct-ca9x4.c @@ -217,7 +217,7 @@ static void __init ct_ca9x4_init(void) } #ifdef CONFIG_SMP -static void ct_ca9x4_init_cpu_map(void) +static void __init ct_ca9x4_init_cpu_map(void) { int i, ncores = scu_get_core_count(MMIO_P2V(A9_MPCORE_SCU)); @@ -233,7 +233,7 @@ static void ct_ca9x4_init_cpu_map(void) set_smp_cross_call(gic_raise_softirq); } -static void ct_ca9x4_smp_enable(unsigned int max_cpus) +static void __init ct_ca9x4_smp_enable(unsigned int max_cpus) { scu_enable(MMIO_P2V(A9_MPCORE_SCU)); } diff --git a/arch/arm/mach-vexpress/hotplug.c b/arch/arm/mach-vexpress/hotplug.c index 813ee08f96e6a3..3034a4dab4a1a3 100644 --- a/arch/arm/mach-vexpress/hotplug.c +++ b/arch/arm/mach-vexpress/hotplug.c @@ -13,6 +13,7 @@ #include <linux/smp.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> #include <asm/system.h> extern volatile int pen_release; diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 4cefb57d9ed2d7..1a3ca248816403 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -882,6 +882,7 @@ config CACHE_XSC3L2 config ARM_L1_CACHE_SHIFT_6 bool + default y if CPU_V7 help Setting ARM L1 cache line size to 64 Bytes. diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 6ec1226fc62d2f..5dc7d127a40fba 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -310,7 +310,7 @@ static void arm_memory_present(void) static bool arm_memblock_steal_permitted = true; -phys_addr_t arm_memblock_steal(phys_addr_t size, phys_addr_t align) +phys_addr_t __init arm_memblock_steal(phys_addr_t size, phys_addr_t align) { phys_addr_t phys; diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 7e9b5bf910c199..0404ccbb8aa3ee 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -148,10 +148,6 @@ ENDPROC(cpu_v7_do_resume) * Initialise TLB, Caches, and MMU state ready to switch the MMU * on. Return in r0 the new CP15 C1 control register setting. * - * We automatically detect if we have a Harvard cache, and use the - * Harvard cache control instructions insead of the unified cache - * control instructions. - * * This should be able to cover all ARMv7 cores. * * It is assumed that: @@ -251,9 +247,7 @@ __v7_setup: #endif 3: mov r10, #0 -#ifdef HARVARD_CACHE mcr p15, 0, r10, c7, c5, 0 @ I+BTB cache invalidate -#endif dsb #ifdef CONFIG_MMU mcr p15, 0, r10, c8, c7, 0 @ invalidate I + D TLBs @@ -330,16 +324,6 @@ __v7_ca5mp_proc_info: .size __v7_ca5mp_proc_info, . - __v7_ca5mp_proc_info /* - * ARM Ltd. Cortex A7 processor. - */ - .type __v7_ca7mp_proc_info, #object -__v7_ca7mp_proc_info: - .long 0x410fc070 - .long 0xff0ffff0 - __v7_proc __v7_ca7mp_setup, hwcaps = HWCAP_IDIV - .size __v7_ca7mp_proc_info, . - __v7_ca7mp_proc_info - - /* * ARM Ltd. Cortex A9 processor. */ .type __v7_ca9mp_proc_info, #object @@ -351,6 +335,16 @@ __v7_ca9mp_proc_info: #endif /* CONFIG_ARM_LPAE */ /* + * ARM Ltd. Cortex A7 processor. + */ + .type __v7_ca7mp_proc_info, #object +__v7_ca7mp_proc_info: + .long 0x410fc070 + .long 0xff0ffff0 + __v7_proc __v7_ca7mp_setup, hwcaps = HWCAP_IDIV + .size __v7_ca7mp_proc_info, . - __v7_ca7mp_proc_info + + /* * ARM Ltd. Cortex A15 processor. */ .type __v7_ca15mp_proc_info, #object diff --git a/arch/arm/plat-mxc/include/mach/iomux-v1.h b/arch/arm/plat-mxc/include/mach/iomux-v1.h index 6fa8a707b9a034..f7d18046c04ffd 100644 --- a/arch/arm/plat-mxc/include/mach/iomux-v1.h +++ b/arch/arm/plat-mxc/include/mach/iomux-v1.h @@ -96,6 +96,6 @@ extern int mxc_gpio_mode(int gpio_mode); extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count, const char *label); -extern int __init imx_iomuxv1_init(void __iomem *base, int numports); +extern int imx_iomuxv1_init(void __iomem *base, int numports); #endif /* __MACH_IOMUX_V1_H__ */ diff --git a/arch/arm/plat-versatile/platsmp.c b/arch/arm/plat-versatile/platsmp.c index 92f18d372b69ea..49c7db48c7f13d 100644 --- a/arch/arm/plat-versatile/platsmp.c +++ b/arch/arm/plat-versatile/platsmp.c @@ -16,6 +16,7 @@ #include <linux/smp.h> #include <asm/cacheflush.h> +#include <asm/smp_plat.h> #include <asm/hardware/gic.h> /* diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig index 197e96f7040594..3dea7231f637c5 100644 --- a/arch/avr32/Kconfig +++ b/arch/avr32/Kconfig @@ -8,6 +8,7 @@ config AVR32 select HAVE_KPROBES select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_PROBE + select GENERIC_ATOMIC64 select HARDIRQS_SW_RESEND select GENERIC_IRQ_SHOW select ARCH_HAVE_NMI_SAFE_CMPXCHG diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c index 4203d101363cf2..c4ac15c4f065ce 100644 --- a/arch/m68k/atari/config.c +++ b/arch/m68k/atari/config.c @@ -414,9 +414,9 @@ void __init config_atari(void) * FDC val = 4 -> Supervisor only */ asm volatile ("\n" " .chip 68030\n" - " pmove %0@,%/tt1\n" + " pmove %0,%/tt1\n" " .chip 68k" - : : "a" (&tt1_val)); + : : "m" (tt1_val)); } else { asm volatile ("\n" " .chip 68040\n" @@ -569,10 +569,10 @@ static void atari_reset(void) : "d0"); } else asm volatile ("\n" - " pmove %0@,%%tc\n" + " pmove %0,%%tc\n" " jmp %1@" : /* no outputs */ - : "a" (&tc_val), "a" (reset_addr)); + : "m" (tc_val), "a" (reset_addr)); } diff --git a/arch/m68k/include/asm/irq.h b/arch/m68k/include/asm/irq.h index 0e89fa05de0e60..c1155f0e22cc26 100644 --- a/arch/m68k/include/asm/irq.h +++ b/arch/m68k/include/asm/irq.h @@ -50,19 +50,6 @@ #define IRQ_USER 8 -/* - * various flags for request_irq() - the Amiga now uses the standard - * mechanism like all other architectures - IRQF_DISABLED and - * IRQF_SHARED are your friends. - */ -#ifndef MACH_AMIGA_ONLY -#define IRQ_FLG_LOCK (0x0001) /* handler is not replaceable */ -#define IRQ_FLG_REPLACE (0x0002) /* replace existing handler */ -#define IRQ_FLG_FAST (0x0004) -#define IRQ_FLG_SLOW (0x0008) -#define IRQ_FLG_STD (0x8000) /* internally used */ -#endif - struct irq_data; struct irq_chip; struct irq_desc; diff --git a/arch/m68k/kernel/process_mm.c b/arch/m68k/kernel/process_mm.c index 125f34e00bf01e..099283ee1a8fd0 100644 --- a/arch/m68k/kernel/process_mm.c +++ b/arch/m68k/kernel/process_mm.c @@ -172,7 +172,7 @@ void flush_thread(void) current->thread.fs = __USER_DS; if (!FPU_IS_EMU) - asm volatile ("frestore %0@" : : "a" (&zero) : "memory"); + asm volatile("frestore %0": :"m" (zero)); } /* diff --git a/arch/m68k/kernel/process_no.c b/arch/m68k/kernel/process_no.c index 69c1803fcf1bed..5e1078cabe0e54 100644 --- a/arch/m68k/kernel/process_no.c +++ b/arch/m68k/kernel/process_no.c @@ -163,8 +163,8 @@ void flush_thread(void) #ifdef CONFIG_FPU if (!FPU_IS_EMU) asm volatile (".chip 68k/68881\n\t" - "frestore %0@\n\t" - ".chip 68k" : : "a" (&zero)); + "frestore %0\n\t" + ".chip 68k" : : "m" (zero)); #endif } diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c index a76452ca964ef6..daaa9187654ca6 100644 --- a/arch/m68k/kernel/traps.c +++ b/arch/m68k/kernel/traps.c @@ -552,13 +552,13 @@ static inline void bus_error030 (struct frame *fp) #ifdef DEBUG asm volatile ("ptestr %3,%2@,#7,%0\n\t" - "pmove %%psr,%1@" - : "=a&" (desc) - : "a" (&temp), "a" (addr), "d" (ssw)); + "pmove %%psr,%1" + : "=a&" (desc), "=m" (temp) + : "a" (addr), "d" (ssw)); #else asm volatile ("ptestr %2,%1@,#7\n\t" - "pmove %%psr,%0@" - : : "a" (&temp), "a" (addr), "d" (ssw)); + "pmove %%psr,%0" + : "=m" (temp) : "a" (addr), "d" (ssw)); #endif mmusr = temp; @@ -605,20 +605,18 @@ static inline void bus_error030 (struct frame *fp) !(ssw & RW) ? "write" : "read", addr, fp->ptregs.pc, ssw); asm volatile ("ptestr #1,%1@,#0\n\t" - "pmove %%psr,%0@" - : /* no outputs */ - : "a" (&temp), "a" (addr)); + "pmove %%psr,%0" + : "=m" (temp) + : "a" (addr)); mmusr = temp; printk ("level 0 mmusr is %#x\n", mmusr); #if 0 - asm volatile ("pmove %%tt0,%0@" - : /* no outputs */ - : "a" (&tlong)); + asm volatile ("pmove %%tt0,%0" + : "=m" (tlong)); printk("tt0 is %#lx, ", tlong); - asm volatile ("pmove %%tt1,%0@" - : /* no outputs */ - : "a" (&tlong)); + asm volatile ("pmove %%tt1,%0" + : "=m" (tlong)); printk("tt1 is %#lx\n", tlong); #endif #ifdef DEBUG @@ -668,13 +666,13 @@ static inline void bus_error030 (struct frame *fp) #ifdef DEBUG asm volatile ("ptestr #1,%2@,#7,%0\n\t" - "pmove %%psr,%1@" - : "=a&" (desc) - : "a" (&temp), "a" (addr)); + "pmove %%psr,%1" + : "=a&" (desc), "=m" (temp) + : "a" (addr)); #else asm volatile ("ptestr #1,%1@,#7\n\t" - "pmove %%psr,%0@" - : : "a" (&temp), "a" (addr)); + "pmove %%psr,%0" + : "=m" (temp) : "a" (addr)); #endif mmusr = temp; diff --git a/arch/m68k/mm/cache.c b/arch/m68k/mm/cache.c index 95d0bf66e2e22e..3d84c1f2ffb2ef 100644 --- a/arch/m68k/mm/cache.c +++ b/arch/m68k/mm/cache.c @@ -52,9 +52,9 @@ static unsigned long virt_to_phys_slow(unsigned long vaddr) unsigned long *descaddr; asm volatile ("ptestr %3,%2@,#7,%0\n\t" - "pmove %%psr,%1@" - : "=a&" (descaddr) - : "a" (&mmusr), "a" (vaddr), "d" (get_fs().seg)); + "pmove %%psr,%1" + : "=a&" (descaddr), "=m" (mmusr) + : "a" (vaddr), "d" (get_fs().seg)); if (mmusr & (MMU_I|MMU_B|MMU_L)) return 0; descaddr = phys_to_virt((unsigned long)descaddr); diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 74f23a460ba2f4..c8d6efb99dbf66 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -19,6 +19,7 @@ config MICROBLAZE select GENERIC_IRQ_SHOW select GENERIC_PCI_IOMAP select GENERIC_CPU_DEVICES + select GENERIC_ATOMIC64 config SWAP def_bool n diff --git a/arch/microblaze/include/asm/atomic.h b/arch/microblaze/include/asm/atomic.h index 6d2e1d418be74f..615f53992c654e 100644 --- a/arch/microblaze/include/asm/atomic.h +++ b/arch/microblaze/include/asm/atomic.h @@ -2,6 +2,7 @@ #define _ASM_MICROBLAZE_ATOMIC_H #include <asm-generic/atomic.h> +#include <asm-generic/atomic64.h> /* * Atomically test *v and decrement if it is greater than 0. diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c index d4fc1a97177966..604cd9dd133362 100644 --- a/arch/microblaze/kernel/setup.c +++ b/arch/microblaze/kernel/setup.c @@ -26,7 +26,6 @@ #include <linux/cache.h> #include <linux/of_platform.h> #include <linux/dma-mapping.h> -#include <linux/cpu.h> #include <asm/cacheflush.h> #include <asm/entry.h> #include <asm/cpuinfo.h> @@ -227,23 +226,5 @@ static int __init setup_bus_notifier(void) return 0; } -arch_initcall(setup_bus_notifier); - -static DEFINE_PER_CPU(struct cpu, cpu_devices); - -static int __init topology_init(void) -{ - int i, ret; - - for_each_present_cpu(i) { - struct cpu *c = &per_cpu(cpu_devices, i); - ret = register_cpu(c, i); - if (ret) - printk(KERN_WARNING "topology_init: register_cpu %d " - "failed (%d)\n", i, ret); - } - - return 0; -} -subsys_initcall(topology_init); +arch_initcall(setup_bus_notifier); diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index c4c1312473fbf6..5ab6e89603c56b 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -2356,6 +2356,7 @@ config PCI depends on HW_HAS_PCI select PCI_DOMAINS select GENERIC_PCI_IOMAP + select NO_GENERIC_PCI_IOPORT_MAP help Find out whether you have a PCI motherboard. PCI is the name of a bus system, i.e. the way the CPU talks to the other stuff inside diff --git a/arch/mips/lib/iomap-pci.c b/arch/mips/lib/iomap-pci.c index 2635b1a9633385..fd35daa45314a3 100644 --- a/arch/mips/lib/iomap-pci.c +++ b/arch/mips/lib/iomap-pci.c @@ -10,8 +10,8 @@ #include <linux/module.h> #include <asm/io.h> -static void __iomem *ioport_map_pci(struct pci_dev *dev, - unsigned long port, unsigned int nr) +void __iomem *__pci_ioport_map(struct pci_dev *dev, + unsigned long port, unsigned int nr) { struct pci_controller *ctrl = dev->bus->sysdata; unsigned long base = ctrl->io_map_base; diff --git a/arch/powerpc/boot/dts/fsl/mpc8536si-post.dtsi b/arch/powerpc/boot/dts/fsl/mpc8536si-post.dtsi index 89af6263770701..b37da56018b634 100644 --- a/arch/powerpc/boot/dts/fsl/mpc8536si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/mpc8536si-post.dtsi @@ -236,6 +236,10 @@ }; /include/ "pq3-esdhc-0.dtsi" + sdhc@2e000 { + compatible = "fsl,mpc8536-esdhc", "fsl,esdhc"; + }; + /include/ "pq3-sec3.0-0.dtsi" /include/ "pq3-mpic.dtsi" /include/ "pq3-mpic-timer-B.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi index bd9e163c764b33..a97d1263372ccb 100644 --- a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi @@ -158,7 +158,8 @@ /include/ "pq3-usb2-dr-0.dtsi" /include/ "pq3-esdhc-0.dtsi" sdhc@2e000 { - fsl,sdhci-auto-cmd12; + compatible = "fsl,p1010-esdhc", "fsl,esdhc"; + sdhci,auto-cmd12; }; /include/ "pq3-sec4.4-0.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/p1020si-post.dtsi b/arch/powerpc/boot/dts/fsl/p1020si-post.dtsi index fc924c5ffebe22..5de5fc351314a6 100644 --- a/arch/powerpc/boot/dts/fsl/p1020si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p1020si-post.dtsi @@ -145,6 +145,10 @@ /include/ "pq3-usb2-dr-1.dtsi" /include/ "pq3-esdhc-0.dtsi" + sdhc@2e000 { + compatible = "fsl,p1020-esdhc", "fsl,esdhc"; + sdhci,auto-cmd12; + }; /include/ "pq3-sec3.3-0.dtsi" /include/ "pq3-mpic.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/p1022si-post.dtsi b/arch/powerpc/boot/dts/fsl/p1022si-post.dtsi index 16239b199d0a35..ff9ed1d879297b 100644 --- a/arch/powerpc/boot/dts/fsl/p1022si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p1022si-post.dtsi @@ -203,7 +203,8 @@ /include/ "pq3-esdhc-0.dtsi" sdhc@2e000 { - fsl,sdhci-auto-cmd12; + compatible = "fsl,p1022-esdhc", "fsl,esdhc"; + sdhci,auto-cmd12; }; /include/ "pq3-sec3.3-0.dtsi" diff --git a/arch/powerpc/boot/dts/fsl/p2020si-post.dtsi b/arch/powerpc/boot/dts/fsl/p2020si-post.dtsi index c041050561a7f1..332e9e75e6c2f7 100644 --- a/arch/powerpc/boot/dts/fsl/p2020si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p2020si-post.dtsi @@ -182,6 +182,10 @@ /include/ "pq3-etsec1-1.dtsi" /include/ "pq3-etsec1-2.dtsi" /include/ "pq3-esdhc-0.dtsi" + sdhc@2e000 { + compatible = "fsl,p2020-esdhc", "fsl,esdhc"; + }; + /include/ "pq3-sec3.1-0.dtsi" /include/ "pq3-mpic.dtsi" /include/ "pq3-mpic-timer-B.dtsi" diff --git a/arch/powerpc/boot/dts/p1020rdb.dtsi b/arch/powerpc/boot/dts/p1020rdb.dtsi index b5bd86f4baf21b..1fb7e0e0940f0c 100644 --- a/arch/powerpc/boot/dts/p1020rdb.dtsi +++ b/arch/powerpc/boot/dts/p1020rdb.dtsi @@ -1,7 +1,7 @@ /* * P1020 RDB Device Tree Source stub (no addresses or top-level ranges) * - * Copyright 2011 Freescale Semiconductor Inc. + * Copyright 2011-2012 Freescale Semiconductor Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -190,17 +190,16 @@ usb@22000 { phy_type = "ulpi"; + dr_mode = "host"; }; - /* USB2 is shared with localbus, so it must be disabled - by default. We can't put 'status = "disabled";' here - since U-Boot doesn't clear the status property when - it enables USB2. OTOH, U-Boot does create a new node - when there isn't any. So, just comment it out. + /* USB2 is shared with localbus. It is used + only in case of SPI and SD boot after + appropriate device-tree fixup done by uboot */ usb@23000 { phy_type = "ulpi"; + dr_mode = "host"; }; - */ mdio@24000 { phy0: ethernet-phy@0 { diff --git a/arch/powerpc/boot/dts/p1021mds.dts b/arch/powerpc/boot/dts/p1021mds.dts index d9540791e43420..97116f198a37fa 100644 --- a/arch/powerpc/boot/dts/p1021mds.dts +++ b/arch/powerpc/boot/dts/p1021mds.dts @@ -1,7 +1,7 @@ /* * P1021 MDS Device Tree Source * - * Copyright 2010 Freescale Semiconductor Inc. + * Copyright 2010,2012 Freescale Semiconductor Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -151,6 +151,7 @@ usb@22000 { phy_type = "ulpi"; + dr_mode = "host"; }; mdio@24000 { diff --git a/arch/powerpc/boot/dts/p2020ds.dtsi b/arch/powerpc/boot/dts/p2020ds.dtsi index c1cf6cef4dd602..d3b939c573b007 100644 --- a/arch/powerpc/boot/dts/p2020ds.dtsi +++ b/arch/powerpc/boot/dts/p2020ds.dtsi @@ -1,7 +1,7 @@ /* * P2020DS Device Tree Source stub (no addresses or top-level ranges) * - * Copyright 2011 Freescale Semiconductor Inc. + * Copyright 2011-2012 Freescale Semiconductor Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -134,6 +134,7 @@ &board_soc { usb@22000 { phy_type = "ulpi"; + dr_mode = "host"; }; mdio@24520 { diff --git a/arch/powerpc/boot/dts/p2020rdb.dts b/arch/powerpc/boot/dts/p2020rdb.dts index 26759a59171295..eb8a6aa2bda5f0 100644 --- a/arch/powerpc/boot/dts/p2020rdb.dts +++ b/arch/powerpc/boot/dts/p2020rdb.dts @@ -1,7 +1,7 @@ /* * P2020 RDB Device Tree Source * - * Copyright 2009-2011 Freescale Semiconductor Inc. + * Copyright 2009-2012 Freescale Semiconductor Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -197,6 +197,7 @@ usb@22000 { phy_type = "ulpi"; + dr_mode = "host"; }; mdio@24520 { diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index 28be3452e67ad7..abef75176c079f 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -46,7 +46,6 @@ /* This keeps a track of which one is the crashing cpu. */ int crashing_cpu = -1; -static atomic_t cpus_in_crash; static int time_to_dump; #define CRASH_HANDLER_MAX 3 @@ -66,6 +65,7 @@ static int handle_fault(struct pt_regs *regs) #ifdef CONFIG_SMP +static atomic_t cpus_in_crash; void crash_ipi_callback(struct pt_regs *regs) { static cpumask_t cpus_state_saved = CPU_MASK_NONE; diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 3fea3689527e96..bedd12e1cfbcc0 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -442,8 +442,10 @@ static void __init fixup_port_irq(int index, port->irq = virq; +#ifdef CONFIG_SERIAL_8250_FSL if (of_device_is_compatible(np, "fsl,ns16550")) port->handle_irq = fsl8250_handle_irq; +#endif } static void __init fixup_port_pio(int index, diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c index bb3d84f4046f53..b0984ada3f83c4 100644 --- a/arch/powerpc/platforms/85xx/p1022_ds.c +++ b/arch/powerpc/platforms/85xx/p1022_ds.c @@ -25,6 +25,7 @@ #include <sysdev/fsl_soc.h> #include <sysdev/fsl_pci.h> +#include <asm/udbg.h> #include <asm/fsl_guts.h> #include "smp.h" diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index f31162cfdaa976..5e155dfc4320ab 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -204,11 +204,10 @@ static void __devinit pnv_ioda_offset_bus(struct pci_bus *bus, pr_devel(" -> OBR %s [%x] +%016llx\n", bus->self ? pci_name(bus->self) : "root", flags, offset); - for (i = 0; i < 2; i++) { - r = bus->resource[i]; + pci_bus_for_each_resource(bus, r, i) { if (r && (r->flags & flags)) { - bus->resource[i]->start += offset; - bus->resource[i]->end += offset; + r->start += offset; + r->end += offset; } } list_for_each_entry(dev, &bus->devices, bus_list) @@ -288,12 +287,17 @@ static void __devinit pnv_ioda_calc_bus(struct pci_bus *bus, unsigned int flags, * assignment algorithm is going to be uber-trivial for now, we * can try to be smarter later at filling out holes. */ - start = bus->self ? 0 : bus->resource[bres]->start; - - /* Don't hand out IO 0 */ - if ((flags & IORESOURCE_IO) && !bus->self) - start += 0x1000; - + if (bus->self) { + /* No offset for downstream bridges */ + start = 0; + } else { + /* Offset from the root */ + if (flags & IORESOURCE_IO) + /* Don't hand out IO 0 */ + start = hose->io_resource.start + 0x1000; + else + start = hose->mem_resources[0].start; + } while(!list_empty(&head)) { w = list_first_entry(&head, struct resource_wrap, link); list_del(&w->link); @@ -321,13 +325,20 @@ static void __devinit pnv_ioda_calc_bus(struct pci_bus *bus, unsigned int flags, empty: /* Only setup P2P's, not the PHB itself */ if (bus->self) { - WARN_ON(bus->resource[bres] == NULL); - bus->resource[bres]->start = 0; - bus->resource[bres]->flags = (*size) ? flags : 0; - bus->resource[bres]->end = (*size) ? (*size - 1) : 0; + struct resource *res = bus->resource[bres]; + + if (WARN_ON(res == NULL)) + return; - /* Clear prefetch bus resources for now */ - bus->resource[2]->flags = 0; + /* + * FIXME: We should probably export and call + * pci_bridge_check_ranges() to properly re-initialize + * the PCI portion of the flags here, and to detect + * what the bridge actually supports. + */ + res->start = 0; + res->flags = (*size) ? flags : 0; + res->end = (*size) ? (*size - 1) : 0; } pr_devel("<- CBR %s [%x] *size=%016llx *align=%016llx\n", diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index ae7b6d41fed363..31f22c1f657dbf 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -122,7 +122,7 @@ config DTL Say N if you are unsure. config PSERIES_IDLE - tristate "Cpuidle driver for pSeries platforms" + bool "Cpuidle driver for pSeries platforms" depends on CPU_IDLE depends on PPC_PSERIES default y diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 3b61e8cf3421fd..30eb17ecad493f 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -205,12 +205,12 @@ static void __init setup_pci_atmu(struct pci_controller *hose, if (paddr_hi == paddr_lo) { pr_err("%s: No outbound window space\n", name); - return ; + goto out; } if (paddr_lo == 0) { pr_err("%s: No space for inbound window\n", name); - return ; + goto out; } /* setup PCSRBAR/PEXCSRBAR */ @@ -357,6 +357,7 @@ static void __init setup_pci_atmu(struct pci_controller *hose, (u64)hose->dma_window_size); } +out: iounmap(pci); } diff --git a/arch/s390/Makefile b/arch/s390/Makefile index e9f35334169361..0ad2f1e1ce9ec4 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -88,7 +88,6 @@ KBUILD_CFLAGS += -pipe -fno-strength-reduce -Wno-sign-compare KBUILD_AFLAGS += $(aflags-y) OBJCOPYFLAGS := -O binary -LDFLAGS_vmlinux := -e start head-y := arch/s390/kernel/head.o head-y += arch/s390/kernel/$(if $(CONFIG_64BIT),head64.o,head31.o) diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index e4c79ebb40e628..21109c63eb1296 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -9,12 +9,12 @@ #ifndef CONFIG_64BIT OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390") OUTPUT_ARCH(s390) -ENTRY(_start) +ENTRY(startup) jiffies = jiffies_64 + 4; #else OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") OUTPUT_ARCH(s390:64-bit) -ENTRY(_start) +ENTRY(startup) jiffies = jiffies_64; #endif diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 3c8db65c89e558..713fb58ca50724 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -859,6 +859,7 @@ config PCI depends on SYS_SUPPORTS_PCI select PCI_DOMAINS select GENERIC_PCI_IOMAP + select NO_GENERIC_PCI_IOPORT_MAP help Find out whether you have a PCI motherboard. PCI is the name of a bus system, i.e. the way the CPU talks to the other stuff inside diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c index 8f18dd090a6602..1e7b0e2e764d1a 100644 --- a/arch/sh/drivers/pci/pci.c +++ b/arch/sh/drivers/pci/pci.c @@ -356,8 +356,8 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, #ifndef CONFIG_GENERIC_IOMAP -static void __iomem *ioport_map_pci(struct pci_dev *dev, - unsigned long port, unsigned int nr) +void __iomem *__pci_ioport_map(struct pci_dev *dev, + unsigned long port, unsigned int nr) { struct pci_channel *chan = dev->sysdata; diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 96657992a72eef..ca5580e4d81371 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -33,6 +33,7 @@ config SPARC config SPARC32 def_bool !64BIT select GENERIC_ATOMIC64 + select CLZ_TAB config SPARC64 def_bool 64BIT diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c index 422c16dad1f666..e61165161dd33d 100644 --- a/arch/sparc/kernel/sun4m_irq.c +++ b/arch/sparc/kernel/sun4m_irq.c @@ -399,6 +399,9 @@ static void __init sun4m_init_timers(irq_handler_t counter_fn) timers_global = (void __iomem *) (unsigned long) addr[num_cpu_timers]; + /* Every per-cpu timer works in timer mode */ + sbus_writel(0x00000000, &timers_global->timer_config); + sbus_writel((((1000000/HZ) + 1) << 10), &timers_global->l10_limit); master_l10_counter = &timers_global->l10_count; diff --git a/arch/sparc/lib/divdi3.S b/arch/sparc/lib/divdi3.S index 681b3683da9e61..d74bc0925f2d2f 100644 --- a/arch/sparc/lib/divdi3.S +++ b/arch/sparc/lib/divdi3.S @@ -17,23 +17,9 @@ along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - .data - .align 8 - .globl __clz_tab -__clz_tab: - .byte 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5 - .byte 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6 - .byte 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 - .byte 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 - .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 - .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 - .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 - .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 - .size __clz_tab,256 - .global .udiv - .text .align 4 + .global .udiv .globl __divdi3 __divdi3: save %sp,-104,%sp diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 864cc6e6ac8e30..5bed94e189fab8 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -360,7 +360,6 @@ config X86_NUMACHIP depends on NUMA depends on SMP depends on X86_X2APIC - depends on !EDAC_AMD64 ---help--- Adds support for Numascale NumaChip large-SMP systems. Needed to enable more than ~168 cores. diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index 3a19d04cebebe9..7116dcba0c9ed2 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -321,6 +321,8 @@ static void parse_elf(void *output) default: /* Ignore other PT_* */ break; } } + + free(phdrs); } asmlinkage void decompress_kernel(void *rmode, memptr heap, diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h index 0c9fa2745f13e4..b3b73326290968 100644 --- a/arch/x86/include/asm/cmpxchg.h +++ b/arch/x86/include/asm/cmpxchg.h @@ -145,13 +145,13 @@ extern void __add_wrong_size(void) #ifdef __HAVE_ARCH_CMPXCHG #define cmpxchg(ptr, old, new) \ - __cmpxchg((ptr), (old), (new), sizeof(*ptr)) + __cmpxchg(ptr, old, new, sizeof(*(ptr))) #define sync_cmpxchg(ptr, old, new) \ - __sync_cmpxchg((ptr), (old), (new), sizeof(*ptr)) + __sync_cmpxchg(ptr, old, new, sizeof(*(ptr))) #define cmpxchg_local(ptr, old, new) \ - __cmpxchg_local((ptr), (old), (new), sizeof(*ptr)) + __cmpxchg_local(ptr, old, new, sizeof(*(ptr))) #endif /* diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index 17c5d4bdee5ed5..8d67d428b0f993 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -159,6 +159,7 @@ #define X86_FEATURE_WDT (6*32+13) /* Watchdog timer */ #define X86_FEATURE_LWP (6*32+15) /* Light Weight Profiling */ #define X86_FEATURE_FMA4 (6*32+16) /* 4 operands MAC instructions */ +#define X86_FEATURE_TCE (6*32+17) /* translation cache extension */ #define X86_FEATURE_NODEID_MSR (6*32+19) /* NodeId MSR */ #define X86_FEATURE_TBM (6*32+21) /* trailing bit manipulations */ #define X86_FEATURE_TOPOEXT (6*32+22) /* topology extensions CPUID leafs */ diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h index ab4092e3214ece..7b9cfc4878afc3 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -190,6 +190,9 @@ struct x86_emulate_ops { int (*intercept)(struct x86_emulate_ctxt *ctxt, struct x86_instruction_info *info, enum x86_intercept_stage stage); + + bool (*get_cpuid)(struct x86_emulate_ctxt *ctxt, + u32 *eax, u32 *ebx, u32 *ecx, u32 *edx); }; typedef u32 __attribute__((vector_size(16))) sse128_t; @@ -298,6 +301,19 @@ struct x86_emulate_ctxt { #define X86EMUL_MODE_PROT (X86EMUL_MODE_PROT16|X86EMUL_MODE_PROT32| \ X86EMUL_MODE_PROT64) +/* CPUID vendors */ +#define X86EMUL_CPUID_VENDOR_AuthenticAMD_ebx 0x68747541 +#define X86EMUL_CPUID_VENDOR_AuthenticAMD_ecx 0x444d4163 +#define X86EMUL_CPUID_VENDOR_AuthenticAMD_edx 0x69746e65 + +#define X86EMUL_CPUID_VENDOR_AMDisbetterI_ebx 0x69444d41 +#define X86EMUL_CPUID_VENDOR_AMDisbetterI_ecx 0x21726574 +#define X86EMUL_CPUID_VENDOR_AMDisbetterI_edx 0x74656273 + +#define X86EMUL_CPUID_VENDOR_GenuineIntel_ebx 0x756e6547 +#define X86EMUL_CPUID_VENDOR_GenuineIntel_ecx 0x6c65746e +#define X86EMUL_CPUID_VENDOR_GenuineIntel_edx 0x49656e69 + enum x86_intercept_stage { X86_ICTP_NONE = 0, /* Allow zero-init to not match anything */ X86_ICPT_PRE_EXCEPT, diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h index 54a13aaebc4006..21f7385badb8f9 100644 --- a/arch/x86/include/asm/uv/uv_hub.h +++ b/arch/x86/include/asm/uv/uv_hub.h @@ -318,13 +318,13 @@ uv_gpa_in_mmr_space(unsigned long gpa) /* UV global physical address --> socket phys RAM */ static inline unsigned long uv_gpa_to_soc_phys_ram(unsigned long gpa) { - unsigned long paddr = gpa & uv_hub_info->gpa_mask; + unsigned long paddr; unsigned long remap_base = uv_hub_info->lowmem_remap_base; unsigned long remap_top = uv_hub_info->lowmem_remap_top; gpa = ((gpa << uv_hub_info->m_shift) >> uv_hub_info->m_shift) | ((gpa >> uv_hub_info->n_lshift) << uv_hub_info->m_val); - gpa = gpa & uv_hub_info->gpa_mask; + paddr = gpa & uv_hub_info->gpa_mask; if (paddr >= remap_base && paddr < remap_base + remap_top) paddr -= remap_base; return paddr; diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c index 73da6b64f5b788..d6bd49faa40cf2 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_ds.c +++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c @@ -439,7 +439,6 @@ void intel_pmu_pebs_enable(struct perf_event *event) hwc->config &= ~ARCH_PERFMON_EVENTSEL_INT; cpuc->pebs_enabled |= 1ULL << hwc->idx; - WARN_ON_ONCE(cpuc->enabled); if (x86_pmu.intel_cap.pebs_trap && event->attr.precise_ip > 1) intel_pmu_lbr_enable(event); diff --git a/arch/x86/kernel/cpu/perf_event_intel_lbr.c b/arch/x86/kernel/cpu/perf_event_intel_lbr.c index 3fab3de3ce96dd..47a7e63bfe54d4 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_lbr.c +++ b/arch/x86/kernel/cpu/perf_event_intel_lbr.c @@ -72,8 +72,6 @@ void intel_pmu_lbr_enable(struct perf_event *event) if (!x86_pmu.lbr_nr) return; - WARN_ON_ONCE(cpuc->enabled); - /* * Reset the LBR stack if we changed task context to * avoid data leaks. diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index 1aae78f775fc18..4025fe4f928f6f 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -252,7 +252,8 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err) unsigned short ss; unsigned long sp; #endif - printk(KERN_EMERG "%s: %04lx [#%d] ", str, err & 0xffff, ++die_counter); + printk(KERN_DEFAULT + "%s: %04lx [#%d] ", str, err & 0xffff, ++die_counter); #ifdef CONFIG_PREEMPT printk("PREEMPT "); #endif diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index 6d728d9284bd0e..17107bd6e1f0af 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -129,7 +129,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, if (!stack) { if (regs) stack = (unsigned long *)regs->sp; - else if (task && task != current) + else if (task != current) stack = (unsigned long *)task->thread.sp; else stack = &dummy; @@ -269,11 +269,11 @@ void show_registers(struct pt_regs *regs) unsigned char c; u8 *ip; - printk(KERN_EMERG "Stack:\n"); + printk(KERN_DEFAULT "Stack:\n"); show_stack_log_lvl(NULL, regs, (unsigned long *)sp, - 0, KERN_EMERG); + 0, KERN_DEFAULT); - printk(KERN_EMERG "Code: "); + printk(KERN_DEFAULT "Code: "); ip = (u8 *)regs->ip - code_prologue; if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) { diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index fe86493f3ed1cc..ac0417be9131a8 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -311,13 +311,33 @@ out: return state; } +/* + * AMD microcode firmware naming convention, up to family 15h they are in + * the legacy file: + * + * amd-ucode/microcode_amd.bin + * + * This legacy file is always smaller than 2K in size. + * + * Starting at family 15h they are in family specific firmware files: + * + * amd-ucode/microcode_amd_fam15h.bin + * amd-ucode/microcode_amd_fam16h.bin + * ... + * + * These might be larger than 2K. + */ static enum ucode_state request_microcode_amd(int cpu, struct device *device) { - const char *fw_name = "amd-ucode/microcode_amd.bin"; + char fw_name[36] = "amd-ucode/microcode_amd.bin"; const struct firmware *fw; enum ucode_state ret = UCODE_NFOUND; + struct cpuinfo_x86 *c = &cpu_data(cpu); + + if (c->x86 >= 0x15) + snprintf(fw_name, sizeof(fw_name), "amd-ucode/microcode_amd_fam%.2xh.bin", c->x86); - if (request_firmware(&fw, fw_name, device)) { + if (request_firmware(&fw, (const char *)fw_name, device)) { pr_err("failed to load file %s\n", fw_name); goto out; } diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 37a458b521a602..d840e69a853c0e 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -39,6 +39,14 @@ static int reboot_mode; enum reboot_type reboot_type = BOOT_ACPI; int reboot_force; +/* This variable is used privately to keep track of whether or not + * reboot_type is still set to its default value (i.e., reboot= hasn't + * been set on the command line). This is needed so that we can + * suppress DMI scanning for reboot quirks. Without it, it's + * impossible to override a faulty reboot quirk without recompiling. + */ +static int reboot_default = 1; + #if defined(CONFIG_X86_32) && defined(CONFIG_SMP) static int reboot_cpu = -1; #endif @@ -67,6 +75,12 @@ bool port_cf9_safe = false; static int __init reboot_setup(char *str) { for (;;) { + /* Having anything passed on the command line via + * reboot= will cause us to disable DMI checking + * below. + */ + reboot_default = 0; + switch (*str) { case 'w': reboot_mode = 0x1234; @@ -295,14 +309,6 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { DMI_MATCH(DMI_BOARD_NAME, "P4S800"), }, }, - { /* Handle problems with rebooting on VersaLogic Menlow boards */ - .callback = set_bios_reboot, - .ident = "VersaLogic Menlow based board", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "VersaLogic Corporation"), - DMI_MATCH(DMI_BOARD_NAME, "VersaLogic Menlow board"), - }, - }, { /* Handle reboot issue on Acer Aspire one */ .callback = set_kbd_reboot, .ident = "Acer Aspire One A110", @@ -316,7 +322,12 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { static int __init reboot_init(void) { - dmi_check_system(reboot_dmi_table); + /* Only do the DMI check if reboot_type hasn't been overridden + * on the command line + */ + if (reboot_default) { + dmi_check_system(reboot_dmi_table); + } return 0; } core_initcall(reboot_init); @@ -465,7 +476,12 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = { static int __init pci_reboot_init(void) { - dmi_check_system(pci_reboot_dmi_table); + /* Only do the DMI check if reboot_type hasn't been overridden + * on the command line + */ + if (reboot_default) { + dmi_check_system(pci_reboot_dmi_table); + } return 0; } core_initcall(pci_reboot_init); diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 05a562b850252b..0982507b962a73 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -1891,6 +1891,51 @@ setup_syscalls_segments(struct x86_emulate_ctxt *ctxt, ss->p = 1; } +static bool em_syscall_is_enabled(struct x86_emulate_ctxt *ctxt) +{ + struct x86_emulate_ops *ops = ctxt->ops; + u32 eax, ebx, ecx, edx; + + /* + * syscall should always be enabled in longmode - so only become + * vendor specific (cpuid) if other modes are active... + */ + if (ctxt->mode == X86EMUL_MODE_PROT64) + return true; + + eax = 0x00000000; + ecx = 0x00000000; + if (ops->get_cpuid(ctxt, &eax, &ebx, &ecx, &edx)) { + /* + * Intel ("GenuineIntel") + * remark: Intel CPUs only support "syscall" in 64bit + * longmode. Also an 64bit guest with a + * 32bit compat-app running will #UD !! While this + * behaviour can be fixed (by emulating) into AMD + * response - CPUs of AMD can't behave like Intel. + */ + if (ebx == X86EMUL_CPUID_VENDOR_GenuineIntel_ebx && + ecx == X86EMUL_CPUID_VENDOR_GenuineIntel_ecx && + edx == X86EMUL_CPUID_VENDOR_GenuineIntel_edx) + return false; + + /* AMD ("AuthenticAMD") */ + if (ebx == X86EMUL_CPUID_VENDOR_AuthenticAMD_ebx && + ecx == X86EMUL_CPUID_VENDOR_AuthenticAMD_ecx && + edx == X86EMUL_CPUID_VENDOR_AuthenticAMD_edx) + return true; + + /* AMD ("AMDisbetter!") */ + if (ebx == X86EMUL_CPUID_VENDOR_AMDisbetterI_ebx && + ecx == X86EMUL_CPUID_VENDOR_AMDisbetterI_ecx && + edx == X86EMUL_CPUID_VENDOR_AMDisbetterI_edx) + return true; + } + + /* default: (not Intel, not AMD), apply Intel's stricter rules... */ + return false; +} + static int em_syscall(struct x86_emulate_ctxt *ctxt) { struct x86_emulate_ops *ops = ctxt->ops; @@ -1904,9 +1949,15 @@ static int em_syscall(struct x86_emulate_ctxt *ctxt) ctxt->mode == X86EMUL_MODE_VM86) return emulate_ud(ctxt); + if (!(em_syscall_is_enabled(ctxt))) + return emulate_ud(ctxt); + ops->get_msr(ctxt, MSR_EFER, &efer); setup_syscalls_segments(ctxt, &cs, &ss); + if (!(efer & EFER_SCE)) + return emulate_ud(ctxt); + ops->get_msr(ctxt, MSR_STAR, &msr_data); msr_data >>= 32; cs_sel = (u16)(msr_data & 0xfffc); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 14d6cadc4ba63b..9cbfc06981186d 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1495,6 +1495,8 @@ static void record_steal_time(struct kvm_vcpu *vcpu) int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data) { + bool pr = false; + switch (msr) { case MSR_EFER: return set_efer(vcpu, data); @@ -1635,6 +1637,18 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data) pr_unimpl(vcpu, "unimplemented perfctr wrmsr: " "0x%x data 0x%llx\n", msr, data); break; + case MSR_P6_PERFCTR0: + case MSR_P6_PERFCTR1: + pr = true; + case MSR_P6_EVNTSEL0: + case MSR_P6_EVNTSEL1: + if (kvm_pmu_msr(vcpu, msr)) + return kvm_pmu_set_msr(vcpu, msr, data); + + if (pr || data != 0) + pr_unimpl(vcpu, "disabled perfctr wrmsr: " + "0x%x data 0x%llx\n", msr, data); + break; case MSR_K7_CLK_CTL: /* * Ignore all writes to this no longer documented MSR. @@ -1835,6 +1849,14 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata) case MSR_FAM10H_MMIO_CONF_BASE: data = 0; break; + case MSR_P6_PERFCTR0: + case MSR_P6_PERFCTR1: + case MSR_P6_EVNTSEL0: + case MSR_P6_EVNTSEL1: + if (kvm_pmu_msr(vcpu, msr)) + return kvm_pmu_get_msr(vcpu, msr, pdata); + data = 0; + break; case MSR_IA32_UCODE_REV: data = 0x100000000ULL; break; @@ -4180,6 +4202,28 @@ static int emulator_intercept(struct x86_emulate_ctxt *ctxt, return kvm_x86_ops->check_intercept(emul_to_vcpu(ctxt), info, stage); } +static bool emulator_get_cpuid(struct x86_emulate_ctxt *ctxt, + u32 *eax, u32 *ebx, u32 *ecx, u32 *edx) +{ + struct kvm_cpuid_entry2 *cpuid = NULL; + + if (eax && ecx) + cpuid = kvm_find_cpuid_entry(emul_to_vcpu(ctxt), + *eax, *ecx); + + if (cpuid) { + *eax = cpuid->eax; + *ecx = cpuid->ecx; + if (ebx) + *ebx = cpuid->ebx; + if (edx) + *edx = cpuid->edx; + return true; + } + + return false; +} + static struct x86_emulate_ops emulate_ops = { .read_std = kvm_read_guest_virt_system, .write_std = kvm_write_guest_virt_system, @@ -4211,6 +4255,7 @@ static struct x86_emulate_ops emulate_ops = { .get_fpu = emulator_get_fpu, .put_fpu = emulator_put_fpu, .intercept = emulator_intercept, + .get_cpuid = emulator_get_cpuid, }; static void cache_all_regs(struct kvm_vcpu *vcpu) diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 9d74824a708dcd..f0b4caf85c1a86 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -673,7 +673,7 @@ no_context(struct pt_regs *regs, unsigned long error_code, stackend = end_of_stack(tsk); if (tsk != &init_task && *stackend != STACK_END_MAGIC) - printk(KERN_ALERT "Thread overran stack, or stack corrupted\n"); + printk(KERN_EMERG "Thread overran stack, or stack corrupted\n"); tsk->thread.cr2 = address; tsk->thread.trap_no = 14; @@ -684,7 +684,7 @@ no_context(struct pt_regs *regs, unsigned long error_code, sig = 0; /* Executive summary in case the body of the oops scrolled away */ - printk(KERN_EMERG "CR2: %016lx\n", address); + printk(KERN_DEFAULT "CR2: %016lx\n", address); oops_end(flags, regs, sig); } diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c index 9be4cff00a2d73..3ae0e61abd23ac 100644 --- a/arch/x86/platform/uv/tlb_uv.c +++ b/arch/x86/platform/uv/tlb_uv.c @@ -1851,6 +1851,8 @@ static void __init init_per_cpu_tunables(void) bcp->cong_reps = congested_reps; bcp->cong_period = congested_period; bcp->clocks_per_100_usec = usec_2_cycles(100); + spin_lock_init(&bcp->queue_lock); + spin_lock_init(&bcp->uvhub_lock); } } diff --git a/arch/x86/platform/uv/uv_irq.c b/arch/x86/platform/uv/uv_irq.c index 374a05d8ad2215..f25c2765a5c9b4 100644 --- a/arch/x86/platform/uv/uv_irq.c +++ b/arch/x86/platform/uv/uv_irq.c @@ -25,7 +25,7 @@ struct uv_irq_2_mmr_pnode{ int irq; }; -static spinlock_t uv_irq_lock; +static DEFINE_SPINLOCK(uv_irq_lock); static struct rb_root uv_irq_root; static int uv_set_irq_affinity(struct irq_data *, const struct cpumask *, bool); diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c index cc9b1e182fcfad..d69cc6c3f8080a 100644 --- a/arch/x86/xen/spinlock.c +++ b/arch/x86/xen/spinlock.c @@ -116,9 +116,26 @@ static inline void spin_time_accum_blocked(u64 start) } #endif /* CONFIG_XEN_DEBUG_FS */ +/* + * Size struct xen_spinlock so it's the same as arch_spinlock_t. + */ +#if NR_CPUS < 256 +typedef u8 xen_spinners_t; +# define inc_spinners(xl) \ + asm(LOCK_PREFIX " incb %0" : "+m" ((xl)->spinners) : : "memory"); +# define dec_spinners(xl) \ + asm(LOCK_PREFIX " decb %0" : "+m" ((xl)->spinners) : : "memory"); +#else +typedef u16 xen_spinners_t; +# define inc_spinners(xl) \ + asm(LOCK_PREFIX " incw %0" : "+m" ((xl)->spinners) : : "memory"); +# define dec_spinners(xl) \ + asm(LOCK_PREFIX " decw %0" : "+m" ((xl)->spinners) : : "memory"); +#endif + struct xen_spinlock { unsigned char lock; /* 0 -> free; 1 -> locked */ - unsigned short spinners; /* count of waiting cpus */ + xen_spinners_t spinners; /* count of waiting cpus */ }; static int xen_spin_is_locked(struct arch_spinlock *lock) @@ -164,8 +181,7 @@ static inline struct xen_spinlock *spinning_lock(struct xen_spinlock *xl) wmb(); /* set lock of interest before count */ - asm(LOCK_PREFIX " incw %0" - : "+m" (xl->spinners) : : "memory"); + inc_spinners(xl); return prev; } @@ -176,8 +192,7 @@ static inline struct xen_spinlock *spinning_lock(struct xen_spinlock *xl) */ static inline void unspinning_lock(struct xen_spinlock *xl, struct xen_spinlock *prev) { - asm(LOCK_PREFIX " decw %0" - : "+m" (xl->spinners) : : "memory"); + dec_spinners(xl); wmb(); /* decrement count before restoring lock */ __this_cpu_write(lock_spinners, prev); } @@ -373,6 +388,8 @@ void xen_uninit_lock_cpu(int cpu) void __init xen_init_spinlocks(void) { + BUILD_BUG_ON(sizeof(struct xen_spinlock) > sizeof(arch_spinlock_t)); + pv_lock_ops.spin_is_locked = xen_spin_is_locked; pv_lock_ops.spin_is_contended = xen_spin_is_contended; pv_lock_ops.spin_lock = xen_spin_lock; diff --git a/arch/xtensa/include/asm/string.h b/arch/xtensa/include/asm/string.h index 5fb8c27cbef58d..405a8c49ff2c99 100644 --- a/arch/xtensa/include/asm/string.h +++ b/arch/xtensa/include/asm/string.h @@ -118,7 +118,4 @@ extern void *memmove(void *__dest, __const__ void *__src, size_t __n); /* Don't build bcopy at all ... */ #define __HAVE_ARCH_BCOPY -#define __HAVE_ARCH_MEMSCAN -#define memscan memchr - #endif /* _XTENSA_STRING_H */ diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c index 9ed9f60316e545..88f160b77b1fec 100644 --- a/crypto/sha512_generic.c +++ b/crypto/sha512_generic.c @@ -21,8 +21,6 @@ #include <linux/percpu.h> #include <asm/byteorder.h> -static DEFINE_PER_CPU(u64[80], msg_schedule); - static inline u64 Ch(u64 x, u64 y, u64 z) { return z ^ (x & (y ^ z)); @@ -80,7 +78,7 @@ static inline void LOAD_OP(int I, u64 *W, const u8 *input) static inline void BLEND_OP(int I, u64 *W) { - W[I] = s1(W[I-2]) + W[I-7] + s0(W[I-15]) + W[I-16]; + W[I % 16] += s1(W[(I-2) % 16]) + W[(I-7) % 16] + s0(W[(I-15) % 16]); } static void @@ -89,38 +87,48 @@ sha512_transform(u64 *state, const u8 *input) u64 a, b, c, d, e, f, g, h, t1, t2; int i; - u64 *W = get_cpu_var(msg_schedule); + u64 W[16]; /* load the input */ for (i = 0; i < 16; i++) LOAD_OP(i, W, input); - for (i = 16; i < 80; i++) { - BLEND_OP(i, W); - } - /* load the state into our registers */ a=state[0]; b=state[1]; c=state[2]; d=state[3]; e=state[4]; f=state[5]; g=state[6]; h=state[7]; - /* now iterate */ - for (i=0; i<80; i+=8) { - t1 = h + e1(e) + Ch(e,f,g) + sha512_K[i ] + W[i ]; - t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2; - t1 = g + e1(d) + Ch(d,e,f) + sha512_K[i+1] + W[i+1]; - t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2; - t1 = f + e1(c) + Ch(c,d,e) + sha512_K[i+2] + W[i+2]; - t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2; - t1 = e + e1(b) + Ch(b,c,d) + sha512_K[i+3] + W[i+3]; - t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2; - t1 = d + e1(a) + Ch(a,b,c) + sha512_K[i+4] + W[i+4]; - t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2; - t1 = c + e1(h) + Ch(h,a,b) + sha512_K[i+5] + W[i+5]; - t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2; - t1 = b + e1(g) + Ch(g,h,a) + sha512_K[i+6] + W[i+6]; - t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2; - t1 = a + e1(f) + Ch(f,g,h) + sha512_K[i+7] + W[i+7]; - t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2; +#define SHA512_0_15(i, a, b, c, d, e, f, g, h) \ + t1 = h + e1(e) + Ch(e, f, g) + sha512_K[i] + W[i]; \ + t2 = e0(a) + Maj(a, b, c); \ + d += t1; \ + h = t1 + t2 + +#define SHA512_16_79(i, a, b, c, d, e, f, g, h) \ + BLEND_OP(i, W); \ + t1 = h + e1(e) + Ch(e, f, g) + sha512_K[i] + W[(i)%16]; \ + t2 = e0(a) + Maj(a, b, c); \ + d += t1; \ + h = t1 + t2 + + for (i = 0; i < 16; i += 8) { + SHA512_0_15(i, a, b, c, d, e, f, g, h); + SHA512_0_15(i + 1, h, a, b, c, d, e, f, g); + SHA512_0_15(i + 2, g, h, a, b, c, d, e, f); + SHA512_0_15(i + 3, f, g, h, a, b, c, d, e); + SHA512_0_15(i + 4, e, f, g, h, a, b, c, d); + SHA512_0_15(i + 5, d, e, f, g, h, a, b, c); + SHA512_0_15(i + 6, c, d, e, f, g, h, a, b); + SHA512_0_15(i + 7, b, c, d, e, f, g, h, a); + } + for (i = 16; i < 80; i += 8) { + SHA512_16_79(i, a, b, c, d, e, f, g, h); + SHA512_16_79(i + 1, h, a, b, c, d, e, f, g); + SHA512_16_79(i + 2, g, h, a, b, c, d, e, f); + SHA512_16_79(i + 3, f, g, h, a, b, c, d, e); + SHA512_16_79(i + 4, e, f, g, h, a, b, c, d); + SHA512_16_79(i + 5, d, e, f, g, h, a, b, c); + SHA512_16_79(i + 6, c, d, e, f, g, h, a, b); + SHA512_16_79(i + 7, b, c, d, e, f, g, h, a); } state[0] += a; state[1] += b; state[2] += c; state[3] += d; @@ -128,8 +136,6 @@ sha512_transform(u64 *state, const u8 *input) /* erase our data */ a = b = c = d = e = f = g = h = t1 = t2 = 0; - memset(W, 0, sizeof(__get_cpu_var(msg_schedule))); - put_cpu_var(msg_schedule); } static int diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index c07f44f05f9d98..1567028d2038ec 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -19,7 +19,6 @@ obj-y += acpi.o \ # All the builtin files are in the "acpi." module_param namespace. acpi-y += osl.o utils.o reboot.o -acpi-y += atomicio.o acpi-y += nvs.o # sleep related files diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c index e45350cb6ac835..e5d53b7ddc7e0e 100644 --- a/drivers/acpi/apei/apei-base.c +++ b/drivers/acpi/apei/apei-base.c @@ -596,33 +596,19 @@ int apei_read(u64 *val, struct acpi_generic_address *reg) { int rc; u64 address; - u32 tmp, width = reg->bit_width; acpi_status status; rc = apei_check_gar(reg, &address); if (rc) return rc; - if (width == 64) - width = 32; /* Break into two 32-bit transfers */ - *val = 0; switch(reg->space_id) { case ACPI_ADR_SPACE_SYSTEM_MEMORY: - status = acpi_os_read_memory((acpi_physical_address) - address, &tmp, width); + status = acpi_os_read_memory64((acpi_physical_address) + address, val, reg->bit_width); if (ACPI_FAILURE(status)) return -EIO; - *val = tmp; - - if (reg->bit_width == 64) { - /* Read the top 32 bits */ - status = acpi_os_read_memory((acpi_physical_address) - (address + 4), &tmp, 32); - if (ACPI_FAILURE(status)) - return -EIO; - *val |= ((u64)tmp << 32); - } break; case ACPI_ADR_SPACE_SYSTEM_IO: status = acpi_os_read_port(address, (u32 *)val, reg->bit_width); @@ -642,31 +628,18 @@ int apei_write(u64 val, struct acpi_generic_address *reg) { int rc; u64 address; - u32 width = reg->bit_width; acpi_status status; rc = apei_check_gar(reg, &address); if (rc) return rc; - if (width == 64) - width = 32; /* Break into two 32-bit transfers */ - switch (reg->space_id) { case ACPI_ADR_SPACE_SYSTEM_MEMORY: - status = acpi_os_write_memory((acpi_physical_address) - address, ACPI_LODWORD(val), - width); + status = acpi_os_write_memory64((acpi_physical_address) + address, val, reg->bit_width); if (ACPI_FAILURE(status)) return -EIO; - - if (reg->bit_width == 64) { - status = acpi_os_write_memory((acpi_physical_address) - (address + 4), - ACPI_HIDWORD(val), 32); - if (ACPI_FAILURE(status)) - return -EIO; - } break; case ACPI_ADR_SPACE_SYSTEM_IO: status = acpi_os_write_port(address, val, reg->bit_width); diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c index 5b898d4dda9993..4ca087dd5f4fce 100644 --- a/drivers/acpi/apei/einj.c +++ b/drivers/acpi/apei/einj.c @@ -141,21 +141,6 @@ static DEFINE_MUTEX(einj_mutex); static void *einj_param; -#ifndef readq -static inline __u64 readq(volatile void __iomem *addr) -{ - return ((__u64)readl(addr+4) << 32) + readl(addr); -} -#endif - -#ifndef writeq -static inline void writeq(__u64 val, volatile void __iomem *addr) -{ - writel(val, addr); - writel(val >> 32, addr+4); -} -#endif - static void einj_exec_ctx_init(struct apei_exec_context *ctx) { apei_exec_ctx_init(ctx, einj_ins_type, ARRAY_SIZE(einj_ins_type), @@ -204,22 +189,21 @@ static int einj_timedout(u64 *t) static void check_vendor_extension(u64 paddr, struct set_error_type_with_address *v5param) { - int offset = readl(&v5param->vendor_extension); + int offset = v5param->vendor_extension; struct vendor_error_type_extension *v; u32 sbdf; if (!offset) return; - v = ioremap(paddr + offset, sizeof(*v)); + v = acpi_os_map_memory(paddr + offset, sizeof(*v)); if (!v) return; - sbdf = readl(&v->pcie_sbdf); + sbdf = v->pcie_sbdf; sprintf(vendor_dev, "%x:%x:%x.%x vendor_id=%x device_id=%x rev_id=%x\n", sbdf >> 24, (sbdf >> 16) & 0xff, (sbdf >> 11) & 0x1f, (sbdf >> 8) & 0x7, - readw(&v->vendor_id), readw(&v->device_id), - readb(&v->rev_id)); - iounmap(v); + v->vendor_id, v->device_id, v->rev_id); + acpi_os_unmap_memory(v, sizeof(*v)); } static void *einj_get_parameter_address(void) @@ -247,7 +231,7 @@ static void *einj_get_parameter_address(void) if (paddrv5) { struct set_error_type_with_address *v5param; - v5param = ioremap(paddrv5, sizeof(*v5param)); + v5param = acpi_os_map_memory(paddrv5, sizeof(*v5param)); if (v5param) { acpi5 = 1; check_vendor_extension(paddrv5, v5param); @@ -257,17 +241,17 @@ static void *einj_get_parameter_address(void) if (paddrv4) { struct einj_parameter *v4param; - v4param = ioremap(paddrv4, sizeof(*v4param)); + v4param = acpi_os_map_memory(paddrv4, sizeof(*v4param)); if (!v4param) - return 0; - if (readq(&v4param->reserved1) || readq(&v4param->reserved2)) { - iounmap(v4param); - return 0; + return NULL; + if (v4param->reserved1 || v4param->reserved2) { + acpi_os_unmap_memory(v4param, sizeof(*v4param)); + return NULL; } return v4param; } - return 0; + return NULL; } /* do sanity check to trigger table */ @@ -276,7 +260,7 @@ static int einj_check_trigger_header(struct acpi_einj_trigger *trigger_tab) if (trigger_tab->header_size != sizeof(struct acpi_einj_trigger)) return -EINVAL; if (trigger_tab->table_size > PAGE_SIZE || - trigger_tab->table_size <= trigger_tab->header_size) + trigger_tab->table_size < trigger_tab->header_size) return -EINVAL; if (trigger_tab->entry_count != (trigger_tab->table_size - trigger_tab->header_size) / @@ -340,6 +324,11 @@ static int __einj_error_trigger(u64 trigger_paddr, u32 type, "The trigger error action table is invalid\n"); goto out_rel_header; } + + /* No action structures in the TRIGGER_ERROR table, nothing to do */ + if (!trigger_tab->entry_count) + goto out_rel_header; + rc = -EIO; table_size = trigger_tab->table_size; r = request_mem_region(trigger_paddr + sizeof(*trigger_tab), @@ -435,41 +424,41 @@ static int __einj_error_inject(u32 type, u64 param1, u64 param2) if (acpi5) { struct set_error_type_with_address *v5param = einj_param; - writel(type, &v5param->type); + v5param->type = type; if (type & 0x80000000) { switch (vendor_flags) { case SETWA_FLAGS_APICID: - writel(param1, &v5param->apicid); + v5param->apicid = param1; break; case SETWA_FLAGS_MEM: - writeq(param1, &v5param->memory_address); - writeq(param2, &v5param->memory_address_range); + v5param->memory_address = param1; + v5param->memory_address_range = param2; break; case SETWA_FLAGS_PCIE_SBDF: - writel(param1, &v5param->pcie_sbdf); + v5param->pcie_sbdf = param1; break; } - writel(vendor_flags, &v5param->flags); + v5param->flags = vendor_flags; } else { switch (type) { case ACPI_EINJ_PROCESSOR_CORRECTABLE: case ACPI_EINJ_PROCESSOR_UNCORRECTABLE: case ACPI_EINJ_PROCESSOR_FATAL: - writel(param1, &v5param->apicid); - writel(SETWA_FLAGS_APICID, &v5param->flags); + v5param->apicid = param1; + v5param->flags = SETWA_FLAGS_APICID; break; case ACPI_EINJ_MEMORY_CORRECTABLE: case ACPI_EINJ_MEMORY_UNCORRECTABLE: case ACPI_EINJ_MEMORY_FATAL: - writeq(param1, &v5param->memory_address); - writeq(param2, &v5param->memory_address_range); - writel(SETWA_FLAGS_MEM, &v5param->flags); + v5param->memory_address = param1; + v5param->memory_address_range = param2; + v5param->flags = SETWA_FLAGS_MEM; break; case ACPI_EINJ_PCIX_CORRECTABLE: case ACPI_EINJ_PCIX_UNCORRECTABLE: case ACPI_EINJ_PCIX_FATAL: - writel(param1, &v5param->pcie_sbdf); - writel(SETWA_FLAGS_PCIE_SBDF, &v5param->flags); + v5param->pcie_sbdf = param1; + v5param->flags = SETWA_FLAGS_PCIE_SBDF; break; } } @@ -479,8 +468,8 @@ static int __einj_error_inject(u32 type, u64 param1, u64 param2) return rc; if (einj_param) { struct einj_parameter *v4param = einj_param; - writeq(param1, &v4param->param1); - writeq(param2, &v4param->param2); + v4param->param1 = param1; + v4param->param2 = param2; } } rc = apei_exec_run(&ctx, ACPI_EINJ_EXECUTE_OPERATION); @@ -731,8 +720,13 @@ static int __init einj_init(void) return 0; err_unmap: - if (einj_param) - iounmap(einj_param); + if (einj_param) { + acpi_size size = (acpi5) ? + sizeof(struct set_error_type_with_address) : + sizeof(struct einj_parameter); + + acpi_os_unmap_memory(einj_param, size); + } apei_exec_post_unmap_gars(&ctx); err_release: apei_resources_release(&einj_resources); @@ -748,8 +742,13 @@ static void __exit einj_exit(void) { struct apei_exec_context ctx; - if (einj_param) - iounmap(einj_param); + if (einj_param) { + acpi_size size = (acpi5) ? + sizeof(struct set_error_type_with_address) : + sizeof(struct einj_parameter); + + acpi_os_unmap_memory(einj_param, size); + } einj_exec_ctx_init(&ctx); apei_exec_post_unmap_gars(&ctx); apei_resources_release(&einj_resources); diff --git a/drivers/acpi/atomicio.c b/drivers/acpi/atomicio.c deleted file mode 100644 index d4a5b3d3657b61..00000000000000 --- a/drivers/acpi/atomicio.c +++ /dev/null @@ -1,422 +0,0 @@ -/* - * atomicio.c - ACPI IO memory pre-mapping/post-unmapping, then - * accessing in atomic context. - * - * This is used for NMI handler to access IO memory area, because - * ioremap/iounmap can not be used in NMI handler. The IO memory area - * is pre-mapped in process context and accessed in NMI handler. - * - * Copyright (C) 2009-2010, Intel Corp. - * Author: Huang Ying <ying.huang@intel.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/kernel.h> -#include <linux/export.h> -#include <linux/init.h> -#include <linux/acpi.h> -#include <linux/io.h> -#include <linux/kref.h> -#include <linux/rculist.h> -#include <linux/interrupt.h> -#include <linux/slab.h> -#include <linux/mm.h> -#include <linux/highmem.h> -#include <acpi/atomicio.h> - -#define ACPI_PFX "ACPI: " - -static LIST_HEAD(acpi_iomaps); -/* - * Used for mutual exclusion between writers of acpi_iomaps list, for - * synchronization between readers and writer, RCU is used. - */ -static DEFINE_SPINLOCK(acpi_iomaps_lock); - -struct acpi_iomap { - struct list_head list; - void __iomem *vaddr; - unsigned long size; - phys_addr_t paddr; - struct kref ref; -}; - -/* acpi_iomaps_lock or RCU read lock must be held before calling */ -static struct acpi_iomap *__acpi_find_iomap(phys_addr_t paddr, - unsigned long size) -{ - struct acpi_iomap *map; - - list_for_each_entry_rcu(map, &acpi_iomaps, list) { - if (map->paddr + map->size >= paddr + size && - map->paddr <= paddr) - return map; - } - return NULL; -} - -/* - * Atomic "ioremap" used by NMI handler, if the specified IO memory - * area is not pre-mapped, NULL will be returned. - * - * acpi_iomaps_lock or RCU read lock must be held before calling - */ -static void __iomem *__acpi_ioremap_fast(phys_addr_t paddr, - unsigned long size) -{ - struct acpi_iomap *map; - - map = __acpi_find_iomap(paddr, size/8); - if (map) - return map->vaddr + (paddr - map->paddr); - else - return NULL; -} - -/* acpi_iomaps_lock must be held before calling */ -static void __iomem *__acpi_try_ioremap(phys_addr_t paddr, - unsigned long size) -{ - struct acpi_iomap *map; - - map = __acpi_find_iomap(paddr, size); - if (map) { - kref_get(&map->ref); - return map->vaddr + (paddr - map->paddr); - } else - return NULL; -} - -#ifndef CONFIG_IA64 -#define should_use_kmap(pfn) page_is_ram(pfn) -#else -/* ioremap will take care of cache attributes */ -#define should_use_kmap(pfn) 0 -#endif - -static void __iomem *acpi_map(phys_addr_t pg_off, unsigned long pg_sz) -{ - unsigned long pfn; - - pfn = pg_off >> PAGE_SHIFT; - if (should_use_kmap(pfn)) { - if (pg_sz > PAGE_SIZE) - return NULL; - return (void __iomem __force *)kmap(pfn_to_page(pfn)); - } else - return ioremap(pg_off, pg_sz); -} - -static void acpi_unmap(phys_addr_t pg_off, void __iomem *vaddr) -{ - unsigned long pfn; - - pfn = pg_off >> PAGE_SHIFT; - if (page_is_ram(pfn)) - kunmap(pfn_to_page(pfn)); - else - iounmap(vaddr); -} - -/* - * Used to pre-map the specified IO memory area. First try to find - * whether the area is already pre-mapped, if it is, increase the - * reference count (in __acpi_try_ioremap) and return; otherwise, do - * the real ioremap, and add the mapping into acpi_iomaps list. - */ -static void __iomem *acpi_pre_map(phys_addr_t paddr, - unsigned long size) -{ - void __iomem *vaddr; - struct acpi_iomap *map; - unsigned long pg_sz, flags; - phys_addr_t pg_off; - - spin_lock_irqsave(&acpi_iomaps_lock, flags); - vaddr = __acpi_try_ioremap(paddr, size); - spin_unlock_irqrestore(&acpi_iomaps_lock, flags); - if (vaddr) - return vaddr; - - pg_off = paddr & PAGE_MASK; - pg_sz = ((paddr + size + PAGE_SIZE - 1) & PAGE_MASK) - pg_off; - vaddr = acpi_map(pg_off, pg_sz); - if (!vaddr) - return NULL; - map = kmalloc(sizeof(*map), GFP_KERNEL); - if (!map) - goto err_unmap; - INIT_LIST_HEAD(&map->list); - map->paddr = pg_off; - map->size = pg_sz; - map->vaddr = vaddr; - kref_init(&map->ref); - - spin_lock_irqsave(&acpi_iomaps_lock, flags); - vaddr = __acpi_try_ioremap(paddr, size); - if (vaddr) { - spin_unlock_irqrestore(&acpi_iomaps_lock, flags); - acpi_unmap(pg_off, map->vaddr); - kfree(map); - return vaddr; - } - list_add_tail_rcu(&map->list, &acpi_iomaps); - spin_unlock_irqrestore(&acpi_iomaps_lock, flags); - - return map->vaddr + (paddr - map->paddr); -err_unmap: - acpi_unmap(pg_off, vaddr); - return NULL; -} - -/* acpi_iomaps_lock must be held before calling */ -static void __acpi_kref_del_iomap(struct kref *ref) -{ - struct acpi_iomap *map; - - map = container_of(ref, struct acpi_iomap, ref); - list_del_rcu(&map->list); -} - -/* - * Used to post-unmap the specified IO memory area. The iounmap is - * done only if the reference count goes zero. - */ -static void acpi_post_unmap(phys_addr_t paddr, unsigned long size) -{ - struct acpi_iomap *map; - unsigned long flags; - int del; - - spin_lock_irqsave(&acpi_iomaps_lock, flags); - map = __acpi_find_iomap(paddr, size); - BUG_ON(!map); - del = kref_put(&map->ref, __acpi_kref_del_iomap); - spin_unlock_irqrestore(&acpi_iomaps_lock, flags); - - if (!del) - return; - - synchronize_rcu(); - acpi_unmap(map->paddr, map->vaddr); - kfree(map); -} - -/* In NMI handler, should set silent = 1 */ -static int acpi_check_gar(struct acpi_generic_address *reg, - u64 *paddr, int silent) -{ - u32 width, space_id; - - width = reg->bit_width; - space_id = reg->space_id; - /* Handle possible alignment issues */ - memcpy(paddr, ®->address, sizeof(*paddr)); - if (!*paddr) { - if (!silent) - pr_warning(FW_BUG ACPI_PFX - "Invalid physical address in GAR [0x%llx/%u/%u]\n", - *paddr, width, space_id); - return -EINVAL; - } - - if ((width != 8) && (width != 16) && (width != 32) && (width != 64)) { - if (!silent) - pr_warning(FW_BUG ACPI_PFX - "Invalid bit width in GAR [0x%llx/%u/%u]\n", - *paddr, width, space_id); - return -EINVAL; - } - - if (space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY && - space_id != ACPI_ADR_SPACE_SYSTEM_IO) { - if (!silent) - pr_warning(FW_BUG ACPI_PFX - "Invalid address space type in GAR [0x%llx/%u/%u]\n", - *paddr, width, space_id); - return -EINVAL; - } - - return 0; -} - -/* Pre-map, working on GAR */ -int acpi_pre_map_gar(struct acpi_generic_address *reg) -{ - u64 paddr; - void __iomem *vaddr; - int rc; - - if (reg->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) - return 0; - - rc = acpi_check_gar(reg, &paddr, 0); - if (rc) - return rc; - - vaddr = acpi_pre_map(paddr, reg->bit_width / 8); - if (!vaddr) - return -EIO; - - return 0; -} -EXPORT_SYMBOL_GPL(acpi_pre_map_gar); - -/* Post-unmap, working on GAR */ -int acpi_post_unmap_gar(struct acpi_generic_address *reg) -{ - u64 paddr; - int rc; - - if (reg->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) - return 0; - - rc = acpi_check_gar(reg, &paddr, 0); - if (rc) - return rc; - - acpi_post_unmap(paddr, reg->bit_width / 8); - - return 0; -} -EXPORT_SYMBOL_GPL(acpi_post_unmap_gar); - -#ifdef readq -static inline u64 read64(const volatile void __iomem *addr) -{ - return readq(addr); -} -#else -static inline u64 read64(const volatile void __iomem *addr) -{ - u64 l, h; - l = readl(addr); - h = readl(addr+4); - return l | (h << 32); -} -#endif - -/* - * Can be used in atomic (including NMI) or process context. RCU read - * lock can only be released after the IO memory area accessing. - */ -static int acpi_atomic_read_mem(u64 paddr, u64 *val, u32 width) -{ - void __iomem *addr; - - rcu_read_lock(); - addr = __acpi_ioremap_fast(paddr, width); - switch (width) { - case 8: - *val = readb(addr); - break; - case 16: - *val = readw(addr); - break; - case 32: - *val = readl(addr); - break; - case 64: - *val = read64(addr); - break; - default: - return -EINVAL; - } - rcu_read_unlock(); - - return 0; -} - -#ifdef writeq -static inline void write64(u64 val, volatile void __iomem *addr) -{ - writeq(val, addr); -} -#else -static inline void write64(u64 val, volatile void __iomem *addr) -{ - writel(val, addr); - writel(val>>32, addr+4); -} -#endif - -static int acpi_atomic_write_mem(u64 paddr, u64 val, u32 width) -{ - void __iomem *addr; - - rcu_read_lock(); - addr = __acpi_ioremap_fast(paddr, width); - switch (width) { - case 8: - writeb(val, addr); - break; - case 16: - writew(val, addr); - break; - case 32: - writel(val, addr); - break; - case 64: - write64(val, addr); - break; - default: - return -EINVAL; - } - rcu_read_unlock(); - - return 0; -} - -/* GAR accessing in atomic (including NMI) or process context */ -int acpi_atomic_read(u64 *val, struct acpi_generic_address *reg) -{ - u64 paddr; - int rc; - - rc = acpi_check_gar(reg, &paddr, 1); - if (rc) - return rc; - - *val = 0; - switch (reg->space_id) { - case ACPI_ADR_SPACE_SYSTEM_MEMORY: - return acpi_atomic_read_mem(paddr, val, reg->bit_width); - case ACPI_ADR_SPACE_SYSTEM_IO: - return acpi_os_read_port(paddr, (u32 *)val, reg->bit_width); - default: - return -EINVAL; - } -} -EXPORT_SYMBOL_GPL(acpi_atomic_read); - -int acpi_atomic_write(u64 val, struct acpi_generic_address *reg) -{ - u64 paddr; - int rc; - - rc = acpi_check_gar(reg, &paddr, 1); - if (rc) - return rc; - - switch (reg->space_id) { - case ACPI_ADR_SPACE_SYSTEM_MEMORY: - return acpi_atomic_write_mem(paddr, val, reg->bit_width); - case ACPI_ADR_SPACE_SYSTEM_IO: - return acpi_os_write_port(paddr, val, reg->bit_width); - default: - return -EINVAL; - } -} -EXPORT_SYMBOL_GPL(acpi_atomic_write); diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index fcc12d842bcc51..412a1e04a9226a 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -31,6 +31,7 @@ #include <linux/kernel.h> #include <linux/slab.h> #include <linux/mm.h> +#include <linux/highmem.h> #include <linux/pci.h> #include <linux/interrupt.h> #include <linux/kmod.h> @@ -321,6 +322,37 @@ acpi_map_lookup_virt(void __iomem *virt, acpi_size size) return NULL; } +#ifndef CONFIG_IA64 +#define should_use_kmap(pfn) page_is_ram(pfn) +#else +/* ioremap will take care of cache attributes */ +#define should_use_kmap(pfn) 0 +#endif + +static void __iomem *acpi_map(acpi_physical_address pg_off, unsigned long pg_sz) +{ + unsigned long pfn; + + pfn = pg_off >> PAGE_SHIFT; + if (should_use_kmap(pfn)) { + if (pg_sz > PAGE_SIZE) + return NULL; + return (void __iomem __force *)kmap(pfn_to_page(pfn)); + } else + return acpi_os_ioremap(pg_off, pg_sz); +} + +static void acpi_unmap(acpi_physical_address pg_off, void __iomem *vaddr) +{ + unsigned long pfn; + + pfn = pg_off >> PAGE_SHIFT; + if (page_is_ram(pfn)) + kunmap(pfn_to_page(pfn)); + else + iounmap(vaddr); +} + void __iomem *__init_refok acpi_os_map_memory(acpi_physical_address phys, acpi_size size) { @@ -353,7 +385,7 @@ acpi_os_map_memory(acpi_physical_address phys, acpi_size size) pg_off = round_down(phys, PAGE_SIZE); pg_sz = round_up(phys + size, PAGE_SIZE) - pg_off; - virt = acpi_os_ioremap(pg_off, pg_sz); + virt = acpi_map(pg_off, pg_sz); if (!virt) { mutex_unlock(&acpi_ioremap_lock); kfree(map); @@ -384,7 +416,7 @@ static void acpi_os_map_cleanup(struct acpi_ioremap *map) { if (!map->refcount) { synchronize_rcu(); - iounmap(map->virt); + acpi_unmap(map->phys, map->virt); kfree(map); } } @@ -710,6 +742,67 @@ acpi_os_read_memory(acpi_physical_address phys_addr, u32 * value, u32 width) return AE_OK; } +#ifdef readq +static inline u64 read64(const volatile void __iomem *addr) +{ + return readq(addr); +} +#else +static inline u64 read64(const volatile void __iomem *addr) +{ + u64 l, h; + l = readl(addr); + h = readl(addr+4); + return l | (h << 32); +} +#endif + +acpi_status +acpi_os_read_memory64(acpi_physical_address phys_addr, u64 *value, u32 width) +{ + void __iomem *virt_addr; + unsigned int size = width / 8; + bool unmap = false; + u64 dummy; + + rcu_read_lock(); + virt_addr = acpi_map_vaddr_lookup(phys_addr, size); + if (!virt_addr) { + rcu_read_unlock(); + virt_addr = acpi_os_ioremap(phys_addr, size); + if (!virt_addr) + return AE_BAD_ADDRESS; + unmap = true; + } + + if (!value) + value = &dummy; + + switch (width) { + case 8: + *(u8 *) value = readb(virt_addr); + break; + case 16: + *(u16 *) value = readw(virt_addr); + break; + case 32: + *(u32 *) value = readl(virt_addr); + break; + case 64: + *(u64 *) value = read64(virt_addr); + break; + default: + BUG(); + } + + if (unmap) + iounmap(virt_addr); + else + rcu_read_unlock(); + + return AE_OK; +} + acpi_status acpi_os_write_memory(acpi_physical_address phys_addr, u32 value, u32 width) { @@ -749,6 +842,61 @@ acpi_os_write_memory(acpi_physical_address phys_addr, u32 value, u32 width) return AE_OK; } +#ifdef writeq +static inline void write64(u64 val, volatile void __iomem *addr) +{ + writeq(val, addr); +} +#else +static inline void write64(u64 val, volatile void __iomem *addr) +{ + writel(val, addr); + writel(val>>32, addr+4); +} +#endif + +acpi_status +acpi_os_write_memory64(acpi_physical_address phys_addr, u64 value, u32 width) +{ + void __iomem *virt_addr; + unsigned int size = width / 8; + bool unmap = false; + + rcu_read_lock(); + virt_addr = acpi_map_vaddr_lookup(phys_addr, size); + if (!virt_addr) { + rcu_read_unlock(); + virt_addr = acpi_os_ioremap(phys_addr, size); + if (!virt_addr) + return AE_BAD_ADDRESS; + unmap = true; + } + + switch (width) { + case 8: + writeb(value, virt_addr); + break; + case 16: + writew(value, virt_addr); + break; + case 32: + writel(value, virt_addr); + break; + case 64: + write64(value, virt_addr); + break; + default: + BUG(); + } + + if (unmap) + iounmap(virt_addr); + else + rcu_read_unlock(); + + return AE_OK; +} + acpi_status acpi_os_read_pci_configuration(struct acpi_pci_id * pci_id, u32 reg, u64 *value, u32 width) diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index 0034ede387103e..8ae05ce1850009 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -84,7 +84,7 @@ static int acpi_processor_remove(struct acpi_device *device, int type); static void acpi_processor_notify(struct acpi_device *device, u32 event); static acpi_status acpi_processor_hotadd_init(struct acpi_processor *pr); static int acpi_processor_handle_eject(struct acpi_processor *pr); - +static int acpi_processor_start(struct acpi_processor *pr); static const struct acpi_device_id processor_device_ids[] = { {ACPI_PROCESSOR_OBJECT_HID, 0}, @@ -423,10 +423,29 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb, struct acpi_processor *pr = per_cpu(processors, cpu); if (action == CPU_ONLINE && pr) { - acpi_processor_ppc_has_changed(pr, 0); - acpi_processor_hotplug(pr); - acpi_processor_reevaluate_tstate(pr, action); - acpi_processor_tstate_has_changed(pr); + /* CPU got physically hotplugged and onlined the first time: + * Initialize missing things + */ + if (pr->flags.need_hotplug_init) { + struct cpuidle_driver *idle_driver = + cpuidle_get_driver(); + + printk(KERN_INFO "Will online and init hotplugged " + "CPU: %d\n", pr->id); + WARN(acpi_processor_start(pr), "Failed to start CPU:" + " %d\n", pr->id); + pr->flags.need_hotplug_init = 0; + if (idle_driver && !strcmp(idle_driver->name, + "intel_idle")) { + intel_idle_cpu_init(pr->id); + } + /* Normal CPU soft online event */ + } else { + acpi_processor_ppc_has_changed(pr, 0); + acpi_processor_cst_has_changed(pr); + acpi_processor_reevaluate_tstate(pr, action); + acpi_processor_tstate_has_changed(pr); + } } if (action == CPU_DEAD && pr) { /* invalidate the flag.throttling after one CPU is offline */ @@ -440,6 +459,71 @@ static struct notifier_block acpi_cpu_notifier = .notifier_call = acpi_cpu_soft_notify, }; +/* + * acpi_processor_start() is called by the cpu_hotplug_notifier func: + * acpi_cpu_soft_notify(). Getting it __cpuinit{data} is difficult, the + * root cause seem to be that acpi_processor_uninstall_hotplug_notify() + * is in the module_exit (__exit) func. Allowing acpi_processor_start() + * to not be in __cpuinit section, but being called from __cpuinit funcs + * via __ref looks like the right thing to do here. + */ +static __ref int acpi_processor_start(struct acpi_processor *pr) +{ + struct acpi_device *device = per_cpu(processor_device_array, pr->id); + int result = 0; + +#ifdef CONFIG_CPU_FREQ + acpi_processor_ppc_has_changed(pr, 0); +#endif + acpi_processor_get_throttling_info(pr); + acpi_processor_get_limit_info(pr); + + if (!cpuidle_get_driver() || cpuidle_get_driver() == &acpi_idle_driver) + acpi_processor_power_init(pr, device); + + pr->cdev = thermal_cooling_device_register("Processor", device, + &processor_cooling_ops); + if (IS_ERR(pr->cdev)) { + result = PTR_ERR(pr->cdev); + goto err_power_exit; + } + + dev_dbg(&device->dev, "registered as cooling_device%d\n", + pr->cdev->id); + + result = sysfs_create_link(&device->dev.kobj, + &pr->cdev->device.kobj, + "thermal_cooling"); + if (result) { + printk(KERN_ERR PREFIX "Create sysfs link\n"); + goto err_thermal_unregister; + } + result = sysfs_create_link(&pr->cdev->device.kobj, + &device->dev.kobj, + "device"); + if (result) { + printk(KERN_ERR PREFIX "Create sysfs link\n"); + goto err_remove_sysfs_thermal; + } + + return 0; + +err_remove_sysfs_thermal: + sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); +err_thermal_unregister: + thermal_cooling_device_unregister(pr->cdev); +err_power_exit: + acpi_processor_power_exit(pr, device); + + return result; +} + +/* + * Do not put anything in here which needs the core to be online. + * For example MSR access or setting up things which check for cpuinfo_x86 + * (cpu_data(cpu)) values, like CPU feature flags, family, model, etc. + * Such things have to be put in and set up above in acpi_processor_start() + */ static int __cpuinit acpi_processor_add(struct acpi_device *device) { struct acpi_processor *pr = NULL; @@ -495,48 +579,20 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device) goto err_free_cpumask; } -#ifdef CONFIG_CPU_FREQ - acpi_processor_ppc_has_changed(pr, 0); -#endif - acpi_processor_get_throttling_info(pr); - acpi_processor_get_limit_info(pr); - - if (!cpuidle_get_driver() || cpuidle_get_driver() == &acpi_idle_driver) - acpi_processor_power_init(pr, device); - - pr->cdev = thermal_cooling_device_register("Processor", device, - &processor_cooling_ops); - if (IS_ERR(pr->cdev)) { - result = PTR_ERR(pr->cdev); - goto err_power_exit; - } - - dev_dbg(&device->dev, "registered as cooling_device%d\n", - pr->cdev->id); + /* + * Do not start hotplugged CPUs now, but when they + * are onlined the first time + */ + if (pr->flags.need_hotplug_init) + return 0; - result = sysfs_create_link(&device->dev.kobj, - &pr->cdev->device.kobj, - "thermal_cooling"); - if (result) { - printk(KERN_ERR PREFIX "Create sysfs link\n"); - goto err_thermal_unregister; - } - result = sysfs_create_link(&pr->cdev->device.kobj, - &device->dev.kobj, - "device"); - if (result) { - printk(KERN_ERR PREFIX "Create sysfs link\n"); + result = acpi_processor_start(pr); + if (result) goto err_remove_sysfs; - } return 0; err_remove_sysfs: - sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); -err_thermal_unregister: - thermal_cooling_device_unregister(pr->cdev); -err_power_exit: - acpi_processor_power_exit(pr, device); sysfs_remove_link(&device->dev.kobj, "sysdev"); err_free_cpumask: free_cpumask_var(pr->throttling.shared_cpu_map); @@ -735,6 +791,17 @@ static acpi_status acpi_processor_hotadd_init(struct acpi_processor *pr) return AE_ERROR; } + /* CPU got hot-plugged, but cpu_data is not initialized yet + * Set flag to delay cpu_idle/throttling initialization + * in: + * acpi_processor_add() + * acpi_processor_get_info() + * and do it when the CPU gets online the first time + * TBD: Cleanup above functions and try to do this more elegant. + */ + printk(KERN_INFO "CPU %d got hotplugged\n", pr->id); + pr->flags.need_hotplug_init = 1; + return AE_OK; } diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 0a7ed69546ba47..ca191ff978444c 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -438,6 +438,14 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = { }, { .callback = init_nvs_nosave, + .ident = "Sony Vaio VPCCW29FX", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VPCCW29FX"), + }, + }, + { + .callback = init_nvs_nosave, .ident = "Averatec AV1020-ED2", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "AVERATEC"), diff --git a/drivers/base/Makefile b/drivers/base/Makefile index 2c8272dd93c469..610f9997a4039c 100644 --- a/drivers/base/Makefile +++ b/drivers/base/Makefile @@ -1,6 +1,6 @@ # Makefile for the Linux device tree -obj-y := core.o sys.o bus.o dd.o syscore.o \ +obj-y := core.o bus.o dd.o syscore.o \ driver.o class.o platform.o \ cpu.o firmware.o init.o map.o devres.o \ attribute_container.o transport_class.o \ diff --git a/drivers/base/core.c b/drivers/base/core.c index 4a67cc0c8b37aa..74dda4f697f92d 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -632,6 +632,11 @@ static void klist_children_put(struct klist_node *n) * may be used for reference counting of @dev after calling this * function. * + * All fields in @dev must be initialized by the caller to 0, except + * for those explicitly set to some other value. The simplest + * approach is to use kzalloc() to allocate the structure containing + * @dev. + * * NOTE: Use put_device() to give up your reference instead of freeing * @dev directly once you have called this function. */ @@ -930,6 +935,13 @@ int device_private_init(struct device *dev) * to the global and sibling lists for the device, then * adds it to the other relevant subsystems of the driver model. * + * Do not call this routine or device_register() more than once for + * any device structure. The driver model core is not designed to work + * with devices that get unregistered and then spring back to life. + * (Among other things, it's very hard to guarantee that all references + * to the previous incarnation of @dev have been dropped.) Allocate + * and register a fresh new struct device instead. + * * NOTE: _Never_ directly free @dev after calling this function, even * if it returned an error! Always use put_device() to give up your * reference instead. @@ -1022,7 +1034,7 @@ int device_add(struct device *dev) device_pm_add(dev); /* Notify clients of device addition. This call must come - * after dpm_sysf_add() and before kobject_uevent(). + * after dpm_sysfs_add() and before kobject_uevent(). */ if (dev->bus) blocking_notifier_call_chain(&dev->bus->p->bus_notifier, @@ -1090,6 +1102,9 @@ name_error: * have a clearly defined need to use and refcount the device * before it is added to the hierarchy. * + * For more information, see the kerneldoc for device_initialize() + * and device_add(). + * * NOTE: _Never_ directly free @dev after calling this function, even * if it returned an error! Always use put_device() to give up the * reference initialized in this function instead. diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index db87e78d745940..4dabf5077c4857 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -208,6 +208,25 @@ static ssize_t print_cpus_offline(struct device *dev, } static DEVICE_ATTR(offline, 0444, print_cpus_offline, NULL); +static void cpu_device_release(struct device *dev) +{ + /* + * This is an empty function to prevent the driver core from spitting a + * warning at us. Yes, I know this is directly opposite of what the + * documentation for the driver core and kobjects say, and the author + * of this code has already been publically ridiculed for doing + * something as foolish as this. However, at this point in time, it is + * the only way to handle the issue of statically allocated cpu + * devices. The different architectures will have their cpu device + * code reworked to properly handle this in the near future, so this + * function will then be changed to correctly free up the memory held + * by the cpu device. + * + * Never copy this way of doing things, or you too will be made fun of + * on the linux-kerenl list, you have been warned. + */ +} + /* * register_cpu - Setup a sysfs device for a CPU. * @cpu - cpu->hotpluggable field set to 1 will generate a control file in @@ -221,8 +240,10 @@ int __cpuinit register_cpu(struct cpu *cpu, int num) int error; cpu->node_id = cpu_to_node(num); + memset(&cpu->dev, 0x00, sizeof(struct device)); cpu->dev.id = num; cpu->dev.bus = &cpu_subsys; + cpu->dev.release = cpu_device_release; error = device_register(&cpu->dev); if (!error && cpu->hotpluggable) register_cpu_control(cpu); diff --git a/drivers/base/memory.c b/drivers/base/memory.c index ed5de58c340f25..9e60dbe9fd9488 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -572,19 +572,36 @@ static int init_memory_block(struct memory_block **memory, } static int add_memory_section(int nid, struct mem_section *section, + struct memory_block **mem_p, unsigned long state, enum mem_add_context context) { - struct memory_block *mem; + struct memory_block *mem = NULL; + int scn_nr = __section_nr(section); int ret = 0; mutex_lock(&mem_sysfs_mutex); - mem = find_memory_block(section); + if (context == BOOT) { + /* same memory block ? */ + if (mem_p && *mem_p) + if (scn_nr >= (*mem_p)->start_section_nr && + scn_nr <= (*mem_p)->end_section_nr) { + mem = *mem_p; + kobject_get(&mem->dev.kobj); + } + } else + mem = find_memory_block(section); + if (mem) { mem->section_count++; kobject_put(&mem->dev.kobj); - } else + } else { ret = init_memory_block(&mem, section, state); + /* store memory_block pointer for next loop */ + if (!ret && context == BOOT) + if (mem_p) + *mem_p = mem; + } if (!ret) { if (context == HOTPLUG && @@ -627,7 +644,7 @@ int remove_memory_block(unsigned long node_id, struct mem_section *section, */ int register_new_memory(int nid, struct mem_section *section) { - return add_memory_section(nid, section, MEM_OFFLINE, HOTPLUG); + return add_memory_section(nid, section, NULL, MEM_OFFLINE, HOTPLUG); } int unregister_memory_section(struct mem_section *section) @@ -647,6 +664,7 @@ int __init memory_dev_init(void) int ret; int err; unsigned long block_sz; + struct memory_block *mem = NULL; ret = subsys_system_register(&memory_subsys, NULL); if (ret) @@ -662,7 +680,10 @@ int __init memory_dev_init(void) for (i = 0; i < NR_MEM_SECTIONS; i++) { if (!present_section_nr(i)) continue; - err = add_memory_section(0, __nr_to_section(i), MEM_ONLINE, + /* don't need to reuse memory_block if only one per block */ + err = add_memory_section(0, __nr_to_section(i), + (sections_per_block == 1) ? NULL : &mem, + MEM_ONLINE, BOOT); if (!ret) ret = err; diff --git a/drivers/base/node.c b/drivers/base/node.c index 44f427a6611724..90aa2a11a933b4 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -456,7 +456,15 @@ static int link_mem_sections(int nid) if (!present_section_nr(section_nr)) continue; mem_sect = __nr_to_section(section_nr); + + /* same memblock ? */ + if (mem_blk) + if ((section_nr >= mem_blk->start_section_nr) && + (section_nr <= mem_blk->end_section_nr)) + continue; + mem_blk = find_memory_block_hinted(mem_sect, mem_blk); + ret = register_mem_sect_under_node(mem_blk, nid); if (!err) err = ret; diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index be10a4ff660915..65558034318f3f 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -284,6 +284,9 @@ int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config) map->precious_reg = config->precious_reg; map->cache_type = config->cache_type; + map->cache_bypass = false; + map->cache_only = false; + ret = regcache_init(map, config); mutex_unlock(&map->lock); diff --git a/drivers/base/sys.c b/drivers/base/sys.c deleted file mode 100644 index 409f5ce78829a7..00000000000000 --- a/drivers/base/sys.c +++ /dev/null @@ -1,383 +0,0 @@ -/* - * sys.c - pseudo-bus for system 'devices' (cpus, PICs, timers, etc) - * - * Copyright (c) 2002-3 Patrick Mochel - * 2002-3 Open Source Development Lab - * - * This file is released under the GPLv2 - * - * This exports a 'system' bus type. - * By default, a 'sys' bus gets added to the root of the system. There will - * always be core system devices. Devices can use sysdev_register() to - * add themselves as children of the system bus. - */ - -#include <linux/sysdev.h> -#include <linux/err.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/string.h> -#include <linux/pm.h> -#include <linux/device.h> -#include <linux/mutex.h> -#include <linux/interrupt.h> - -#include "base.h" - -#define to_sysdev(k) container_of(k, struct sys_device, kobj) -#define to_sysdev_attr(a) container_of(a, struct sysdev_attribute, attr) - - -static ssize_t -sysdev_show(struct kobject *kobj, struct attribute *attr, char *buffer) -{ - struct sys_device *sysdev = to_sysdev(kobj); - struct sysdev_attribute *sysdev_attr = to_sysdev_attr(attr); - - if (sysdev_attr->show) - return sysdev_attr->show(sysdev, sysdev_attr, buffer); - return -EIO; -} - - -static ssize_t -sysdev_store(struct kobject *kobj, struct attribute *attr, - const char *buffer, size_t count) -{ - struct sys_device *sysdev = to_sysdev(kobj); - struct sysdev_attribute *sysdev_attr = to_sysdev_attr(attr); - - if (sysdev_attr->store) - return sysdev_attr->store(sysdev, sysdev_attr, buffer, count); - return -EIO; -} - -static const struct sysfs_ops sysfs_ops = { - .show = sysdev_show, - .store = sysdev_store, -}; - -static struct kobj_type ktype_sysdev = { - .sysfs_ops = &sysfs_ops, -}; - - -int sysdev_create_file(struct sys_device *s, struct sysdev_attribute *a) -{ - return sysfs_create_file(&s->kobj, &a->attr); -} - - -void sysdev_remove_file(struct sys_device *s, struct sysdev_attribute *a) -{ - sysfs_remove_file(&s->kobj, &a->attr); -} - -EXPORT_SYMBOL_GPL(sysdev_create_file); -EXPORT_SYMBOL_GPL(sysdev_remove_file); - -#define to_sysdev_class(k) container_of(k, struct sysdev_class, kset.kobj) -#define to_sysdev_class_attr(a) container_of(a, \ - struct sysdev_class_attribute, attr) - -static ssize_t sysdev_class_show(struct kobject *kobj, struct attribute *attr, - char *buffer) -{ - struct sysdev_class *class = to_sysdev_class(kobj); - struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr); - - if (class_attr->show) - return class_attr->show(class, class_attr, buffer); - return -EIO; -} - -static ssize_t sysdev_class_store(struct kobject *kobj, struct attribute *attr, - const char *buffer, size_t count) -{ - struct sysdev_class *class = to_sysdev_class(kobj); - struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr); - - if (class_attr->store) - return class_attr->store(class, class_attr, buffer, count); - return -EIO; -} - -static const struct sysfs_ops sysfs_class_ops = { - .show = sysdev_class_show, - .store = sysdev_class_store, -}; - -static struct kobj_type ktype_sysdev_class = { - .sysfs_ops = &sysfs_class_ops, -}; - -int sysdev_class_create_file(struct sysdev_class *c, - struct sysdev_class_attribute *a) -{ - return sysfs_create_file(&c->kset.kobj, &a->attr); -} -EXPORT_SYMBOL_GPL(sysdev_class_create_file); - -void sysdev_class_remove_file(struct sysdev_class *c, - struct sysdev_class_attribute *a) -{ - sysfs_remove_file(&c->kset.kobj, &a->attr); -} -EXPORT_SYMBOL_GPL(sysdev_class_remove_file); - -extern struct kset *system_kset; - -int sysdev_class_register(struct sysdev_class *cls) -{ - int retval; - - pr_debug("Registering sysdev class '%s'\n", cls->name); - - INIT_LIST_HEAD(&cls->drivers); - memset(&cls->kset.kobj, 0x00, sizeof(struct kobject)); - cls->kset.kobj.parent = &system_kset->kobj; - cls->kset.kobj.ktype = &ktype_sysdev_class; - cls->kset.kobj.kset = system_kset; - - retval = kobject_set_name(&cls->kset.kobj, "%s", cls->name); - if (retval) - return retval; - - retval = kset_register(&cls->kset); - if (!retval && cls->attrs) - retval = sysfs_create_files(&cls->kset.kobj, - (const struct attribute **)cls->attrs); - return retval; -} - -void sysdev_class_unregister(struct sysdev_class *cls) -{ - pr_debug("Unregistering sysdev class '%s'\n", - kobject_name(&cls->kset.kobj)); - if (cls->attrs) - sysfs_remove_files(&cls->kset.kobj, - (const struct attribute **)cls->attrs); - kset_unregister(&cls->kset); -} - -EXPORT_SYMBOL_GPL(sysdev_class_register); -EXPORT_SYMBOL_GPL(sysdev_class_unregister); - -static DEFINE_MUTEX(sysdev_drivers_lock); - -/* - * @dev != NULL means that we're unwinding because some drv->add() - * failed for some reason. You need to grab sysdev_drivers_lock before - * calling this. - */ -static void __sysdev_driver_remove(struct sysdev_class *cls, - struct sysdev_driver *drv, - struct sys_device *from_dev) -{ - struct sys_device *dev = from_dev; - - list_del_init(&drv->entry); - if (!cls) - return; - - if (!drv->remove) - goto kset_put; - - if (dev) - list_for_each_entry_continue_reverse(dev, &cls->kset.list, - kobj.entry) - drv->remove(dev); - else - list_for_each_entry(dev, &cls->kset.list, kobj.entry) - drv->remove(dev); - -kset_put: - kset_put(&cls->kset); -} - -/** - * sysdev_driver_register - Register auxiliary driver - * @cls: Device class driver belongs to. - * @drv: Driver. - * - * @drv is inserted into @cls->drivers to be - * called on each operation on devices of that class. The refcount - * of @cls is incremented. - */ -int sysdev_driver_register(struct sysdev_class *cls, struct sysdev_driver *drv) -{ - struct sys_device *dev = NULL; - int err = 0; - - if (!cls) { - WARN(1, KERN_WARNING "sysdev: invalid class passed to %s!\n", - __func__); - return -EINVAL; - } - - /* Check whether this driver has already been added to a class. */ - if (drv->entry.next && !list_empty(&drv->entry)) - WARN(1, KERN_WARNING "sysdev: class %s: driver (%p) has already" - " been registered to a class, something is wrong, but " - "will forge on!\n", cls->name, drv); - - mutex_lock(&sysdev_drivers_lock); - if (cls && kset_get(&cls->kset)) { - list_add_tail(&drv->entry, &cls->drivers); - - /* If devices of this class already exist, tell the driver */ - if (drv->add) { - list_for_each_entry(dev, &cls->kset.list, kobj.entry) { - err = drv->add(dev); - if (err) - goto unwind; - } - } - } else { - err = -EINVAL; - WARN(1, KERN_ERR "%s: invalid device class\n", __func__); - } - - goto unlock; - -unwind: - __sysdev_driver_remove(cls, drv, dev); - -unlock: - mutex_unlock(&sysdev_drivers_lock); - return err; -} - -/** - * sysdev_driver_unregister - Remove an auxiliary driver. - * @cls: Class driver belongs to. - * @drv: Driver. - */ -void sysdev_driver_unregister(struct sysdev_class *cls, - struct sysdev_driver *drv) -{ - mutex_lock(&sysdev_drivers_lock); - __sysdev_driver_remove(cls, drv, NULL); - mutex_unlock(&sysdev_drivers_lock); -} -EXPORT_SYMBOL_GPL(sysdev_driver_register); -EXPORT_SYMBOL_GPL(sysdev_driver_unregister); - -/** - * sysdev_register - add a system device to the tree - * @sysdev: device in question - * - */ -int sysdev_register(struct sys_device *sysdev) -{ - int error; - struct sysdev_class *cls = sysdev->cls; - - if (!cls) - return -EINVAL; - - pr_debug("Registering sys device of class '%s'\n", - kobject_name(&cls->kset.kobj)); - - /* initialize the kobject to 0, in case it had previously been used */ - memset(&sysdev->kobj, 0x00, sizeof(struct kobject)); - - /* Make sure the kset is set */ - sysdev->kobj.kset = &cls->kset; - - /* Register the object */ - error = kobject_init_and_add(&sysdev->kobj, &ktype_sysdev, NULL, - "%s%d", kobject_name(&cls->kset.kobj), - sysdev->id); - - if (!error) { - struct sysdev_driver *drv; - - pr_debug("Registering sys device '%s'\n", - kobject_name(&sysdev->kobj)); - - mutex_lock(&sysdev_drivers_lock); - /* Generic notification is implicit, because it's that - * code that should have called us. - */ - - /* Notify class auxiliary drivers */ - list_for_each_entry(drv, &cls->drivers, entry) { - if (drv->add) - drv->add(sysdev); - } - mutex_unlock(&sysdev_drivers_lock); - kobject_uevent(&sysdev->kobj, KOBJ_ADD); - } - - return error; -} - -void sysdev_unregister(struct sys_device *sysdev) -{ - struct sysdev_driver *drv; - - mutex_lock(&sysdev_drivers_lock); - list_for_each_entry(drv, &sysdev->cls->drivers, entry) { - if (drv->remove) - drv->remove(sysdev); - } - mutex_unlock(&sysdev_drivers_lock); - - kobject_put(&sysdev->kobj); -} - -EXPORT_SYMBOL_GPL(sysdev_register); -EXPORT_SYMBOL_GPL(sysdev_unregister); - -#define to_ext_attr(x) container_of(x, struct sysdev_ext_attribute, attr) - -ssize_t sysdev_store_ulong(struct sys_device *sysdev, - struct sysdev_attribute *attr, - const char *buf, size_t size) -{ - struct sysdev_ext_attribute *ea = to_ext_attr(attr); - char *end; - unsigned long new = simple_strtoul(buf, &end, 0); - if (end == buf) - return -EINVAL; - *(unsigned long *)(ea->var) = new; - /* Always return full write size even if we didn't consume all */ - return size; -} -EXPORT_SYMBOL_GPL(sysdev_store_ulong); - -ssize_t sysdev_show_ulong(struct sys_device *sysdev, - struct sysdev_attribute *attr, - char *buf) -{ - struct sysdev_ext_attribute *ea = to_ext_attr(attr); - return snprintf(buf, PAGE_SIZE, "%lx\n", *(unsigned long *)(ea->var)); -} -EXPORT_SYMBOL_GPL(sysdev_show_ulong); - -ssize_t sysdev_store_int(struct sys_device *sysdev, - struct sysdev_attribute *attr, - const char *buf, size_t size) -{ - struct sysdev_ext_attribute *ea = to_ext_attr(attr); - char *end; - long new = simple_strtol(buf, &end, 0); - if (end == buf || new > INT_MAX || new < INT_MIN) - return -EINVAL; - *(int *)(ea->var) = new; - /* Always return full write size even if we didn't consume all */ - return size; -} -EXPORT_SYMBOL_GPL(sysdev_store_int); - -ssize_t sysdev_show_int(struct sys_device *sysdev, - struct sysdev_attribute *attr, - char *buf) -{ - struct sysdev_ext_attribute *ea = to_ext_attr(attr); - return snprintf(buf, PAGE_SIZE, "%d\n", *(int *)(ea->var)); -} -EXPORT_SYMBOL_GPL(sysdev_show_int); - diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 3fd31dec8c9c19..a6278e7e61a00b 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -380,6 +380,7 @@ static int rbd_get_client(struct rbd_device *rbd_dev, const char *mon_addr, rbdc = __rbd_client_find(opt); if (rbdc) { ceph_destroy_options(opt); + kfree(rbd_opts); /* using an existing client */ kref_get(&rbdc->kref); @@ -406,15 +407,15 @@ done_err: /* * Destroy ceph client + * + * Caller must hold node_lock. */ static void rbd_client_release(struct kref *kref) { struct rbd_client *rbdc = container_of(kref, struct rbd_client, kref); dout("rbd_release_client %p\n", rbdc); - spin_lock(&node_lock); list_del(&rbdc->node); - spin_unlock(&node_lock); ceph_destroy_client(rbdc->client); kfree(rbdc->rbd_opts); @@ -427,7 +428,9 @@ static void rbd_client_release(struct kref *kref) */ static void rbd_put_client(struct rbd_device *rbd_dev) { + spin_lock(&node_lock); kref_put(&rbd_dev->rbd_client->kref, rbd_client_release); + spin_unlock(&node_lock); rbd_dev->rbd_client = NULL; rbd_dev->client = NULL; } diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c index 4b71647782d03d..317c28ce8328bb 100644 --- a/drivers/char/agp/backend.c +++ b/drivers/char/agp/backend.c @@ -194,10 +194,10 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge) err_out: if (bridge->driver->needs_scratch_page) { - void *va = page_address(bridge->scratch_page_page); + struct page *page = bridge->scratch_page_page; - bridge->driver->agp_destroy_page(va, AGP_PAGE_DESTROY_UNMAP); - bridge->driver->agp_destroy_page(va, AGP_PAGE_DESTROY_FREE); + bridge->driver->agp_destroy_page(page, AGP_PAGE_DESTROY_UNMAP); + bridge->driver->agp_destroy_page(page, AGP_PAGE_DESTROY_FREE); } if (got_gatt) bridge->driver->free_gatt_table(bridge); @@ -221,10 +221,10 @@ static void agp_backend_cleanup(struct agp_bridge_data *bridge) if (bridge->driver->agp_destroy_page && bridge->driver->needs_scratch_page) { - void *va = page_address(bridge->scratch_page_page); + struct page *page = bridge->scratch_page_page; - bridge->driver->agp_destroy_page(va, AGP_PAGE_DESTROY_UNMAP); - bridge->driver->agp_destroy_page(va, AGP_PAGE_DESTROY_FREE); + bridge->driver->agp_destroy_page(page, AGP_PAGE_DESTROY_UNMAP); + bridge->driver->agp_destroy_page(page, AGP_PAGE_DESTROY_FREE); } } diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 97f87b29b9f3db..f4aed5fc2cb6c3 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -1343,7 +1343,7 @@ static int __init at_dma_probe(struct platform_device *pdev) tasklet_init(&atchan->tasklet, atc_tasklet, (unsigned long)atchan); - atc_enable_irq(atchan); + atc_enable_chan_irq(atdma, i); } /* set base routines */ @@ -1410,7 +1410,7 @@ static int __exit at_dma_remove(struct platform_device *pdev) struct at_dma_chan *atchan = to_at_dma_chan(chan); /* Disable interrupts */ - atc_disable_irq(atchan); + atc_disable_chan_irq(atdma, chan->chan_id); tasklet_disable(&atchan->tasklet); tasklet_kill(&atchan->tasklet); diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h index dcaedfc181cf48..a8d3277d60b5cd 100644 --- a/drivers/dma/at_hdmac_regs.h +++ b/drivers/dma/at_hdmac_regs.h @@ -327,28 +327,27 @@ static void atc_dump_lli(struct at_dma_chan *atchan, struct at_lli *lli) } -static void atc_setup_irq(struct at_dma_chan *atchan, int on) +static void atc_setup_irq(struct at_dma *atdma, int chan_id, int on) { - struct at_dma *atdma = to_at_dma(atchan->chan_common.device); - u32 ebci; + u32 ebci; /* enable interrupts on buffer transfer completion & error */ - ebci = AT_DMA_BTC(atchan->chan_common.chan_id) - | AT_DMA_ERR(atchan->chan_common.chan_id); + ebci = AT_DMA_BTC(chan_id) + | AT_DMA_ERR(chan_id); if (on) dma_writel(atdma, EBCIER, ebci); else dma_writel(atdma, EBCIDR, ebci); } -static inline void atc_enable_irq(struct at_dma_chan *atchan) +static void atc_enable_chan_irq(struct at_dma *atdma, int chan_id) { - atc_setup_irq(atchan, 1); + atc_setup_irq(atdma, chan_id, 1); } -static inline void atc_disable_irq(struct at_dma_chan *atchan) +static void atc_disable_chan_irq(struct at_dma *atdma, int chan_id) { - atc_setup_irq(atchan, 0); + atc_setup_irq(atdma, chan_id, 0); } diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 2b8661b54eaf7e..24225f0fdcd85f 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -599,7 +599,7 @@ static int dmatest_add_channel(struct dma_chan *chan) } if (dma_has_cap(DMA_PQ, dma_dev->cap_mask)) { cnt = dmatest_add_threads(dtc, DMA_PQ); - thread_count += cnt > 0 ?: 0; + thread_count += cnt > 0 ? cnt : 0; } pr_info("dmatest: Started %u threads using %s\n", diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index a8af379680c167..8bc5acf36ee5b2 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1102,11 +1102,13 @@ static int sdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, case DMA_SLAVE_CONFIG: if (dmaengine_cfg->direction == DMA_DEV_TO_MEM) { sdmac->per_address = dmaengine_cfg->src_addr; - sdmac->watermark_level = dmaengine_cfg->src_maxburst; + sdmac->watermark_level = dmaengine_cfg->src_maxburst * + dmaengine_cfg->src_addr_width; sdmac->word_size = dmaengine_cfg->src_addr_width; } else { sdmac->per_address = dmaengine_cfg->dst_addr; - sdmac->watermark_level = dmaengine_cfg->dst_maxburst; + sdmac->watermark_level = dmaengine_cfg->dst_maxburst * + dmaengine_cfg->dst_addr_width; sdmac->word_size = dmaengine_cfg->dst_addr_width; } sdmac->direction = dmaengine_cfg->direction; diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c index 54043cd831c8e5..812fd76e9c18e4 100644 --- a/drivers/dma/shdma.c +++ b/drivers/dma/shdma.c @@ -1262,7 +1262,8 @@ static int __init sh_dmae_probe(struct platform_device *pdev) INIT_LIST_HEAD(&shdev->common.channels); - dma_cap_set(DMA_MEMCPY, shdev->common.cap_mask); + if (!pdata->slave_only) + dma_cap_set(DMA_MEMCPY, shdev->common.cap_mask); if (pdata->slave && pdata->slave_num) dma_cap_set(DMA_SLAVE, shdev->common.cap_mask); diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 6628feaa762290..7f5f0da726dafd 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -263,6 +263,7 @@ static inline struct fw_ohci *fw_ohci(struct fw_card *card) static char ohci_driver_name[] = KBUILD_MODNAME; #define PCI_DEVICE_ID_AGERE_FW643 0x5901 +#define PCI_DEVICE_ID_CREATIVE_SB1394 0x4001 #define PCI_DEVICE_ID_JMICRON_JMB38X_FW 0x2380 #define PCI_DEVICE_ID_TI_TSB12LV22 0x8009 #define PCI_DEVICE_ID_TI_TSB12LV26 0x8020 @@ -289,6 +290,9 @@ static const struct { {PCI_VENDOR_ID_ATT, PCI_DEVICE_ID_AGERE_FW643, 6, QUIRK_NO_MSI}, + {PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_SB1394, PCI_ANY_ID, + QUIRK_RESET_PACKET}, + {PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB38X_FW, PCI_ANY_ID, QUIRK_NO_MSI}, @@ -299,7 +303,7 @@ static const struct { QUIRK_NO_MSI}, {PCI_VENDOR_ID_RICOH, PCI_ANY_ID, PCI_ANY_ID, - QUIRK_CYCLE_TIMER}, + QUIRK_CYCLE_TIMER | QUIRK_NO_MSI}, {PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_TSB12LV22, PCI_ANY_ID, QUIRK_CYCLE_TIMER | QUIRK_RESET_PACKET | QUIRK_NO_1394A}, diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c index 5b6948081f8fb3..ddfacc5ce56d55 100644 --- a/drivers/gpio/gpio-lpc32xx.c +++ b/drivers/gpio/gpio-lpc32xx.c @@ -96,7 +96,7 @@ static const char *gpio_p2_names[LPC32XX_GPIO_P2_MAX] = { }; static const char *gpio_p3_names[LPC32XX_GPIO_P3_MAX] = { - "gpi000", "gpio01", "gpio02", "gpio03", + "gpio00", "gpio01", "gpio02", "gpio03", "gpio04", "gpio05" }; diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c index 03d6dd5dcb77c0..f0febe5b822138 100644 --- a/drivers/gpio/gpio-ml-ioh.c +++ b/drivers/gpio/gpio-ml-ioh.c @@ -448,6 +448,7 @@ static int __devinit ioh_gpio_probe(struct pci_dev *pdev, chip->reg = chip->base; chip->ch = i; mutex_init(&chip->lock); + spin_lock_init(&chip->spinlock); ioh_gpio_setup(chip, num_ports[i]); ret = gpiochip_add(&chip->gpio); if (ret) { diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c index 68fa55e86eb1fe..e8729cc2ba2b9f 100644 --- a/drivers/gpio/gpio-pch.c +++ b/drivers/gpio/gpio-pch.c @@ -392,6 +392,7 @@ static int __devinit pch_gpio_probe(struct pci_dev *pdev, chip->reg = chip->base; pci_set_drvdata(pdev, chip); mutex_init(&chip->lock); + spin_lock_init(&chip->spinlock); pch_gpio_setup(chip); ret = gpiochip_add(&chip->gpio); if (ret) { diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c index a7661773c0525a..0a79a1167a251d 100644 --- a/drivers/gpio/gpio-samsung.c +++ b/drivers/gpio/gpio-samsung.c @@ -2387,27 +2387,30 @@ static struct samsung_gpio_chip exynos4_gpios_3[] = { }; #if defined(CONFIG_ARCH_EXYNOS4) && defined(CONFIG_OF) -static int exynos4_gpio_xlate(struct gpio_chip *gc, struct device_node *np, - const void *gpio_spec, u32 *flags) +static int exynos4_gpio_xlate(struct gpio_chip *gc, + const struct of_phandle_args *gpiospec, u32 *flags) { - const __be32 *gpio = gpio_spec; - const u32 n = be32_to_cpup(gpio); - unsigned int pin = gc->base + be32_to_cpu(gpio[0]); + unsigned int pin; if (WARN_ON(gc->of_gpio_n_cells < 4)) return -EINVAL; - if (n > gc->ngpio) + if (WARN_ON(gpiospec->args_count < gc->of_gpio_n_cells)) return -EINVAL; - if (s3c_gpio_cfgpin(pin, S3C_GPIO_SFN(be32_to_cpu(gpio[1])))) + if (gpiospec->args[0] > gc->ngpio) + return -EINVAL; + + pin = gc->base + gpiospec->args[0]; + + if (s3c_gpio_cfgpin(pin, S3C_GPIO_SFN(gpiospec->args[1]))) pr_warn("gpio_xlate: failed to set pin function\n"); - if (s3c_gpio_setpull(pin, be32_to_cpu(gpio[2]))) + if (s3c_gpio_setpull(pin, gpiospec->args[2])) pr_warn("gpio_xlate: failed to set pin pull up/down\n"); - if (s5p_gpio_set_drvstr(pin, be32_to_cpu(gpio[3]))) + if (s5p_gpio_set_drvstr(pin, gpiospec->args[3])) pr_warn("gpio_xlate: failed to set pin drive strength\n"); - return n; + return gpiospec->args[0]; } static const struct of_device_id exynos4_gpio_dt_match[] __initdata = { diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c index 3f46772f0cb212..ba23790450e9d4 100644 --- a/drivers/gpu/drm/drm_auth.c +++ b/drivers/gpu/drm/drm_auth.c @@ -101,7 +101,7 @@ static int drm_add_magic(struct drm_master *master, struct drm_file *priv, * Searches and unlinks the entry in drm_device::magiclist with the magic * number hash key, while holding the drm_device::struct_mutex lock. */ -static int drm_remove_magic(struct drm_master *master, drm_magic_t magic) +int drm_remove_magic(struct drm_master *master, drm_magic_t magic) { struct drm_magic_entry *pt; struct drm_hash_item *hash; @@ -136,6 +136,8 @@ static int drm_remove_magic(struct drm_master *master, drm_magic_t magic) * If there is a magic number in drm_file::magic then use it, otherwise * searches an unique non-zero magic number and add it associating it with \p * file_priv. + * This ioctl needs protection by the drm_global_mutex, which protects + * struct drm_file::magic and struct drm_magic_entry::priv. */ int drm_getmagic(struct drm_device *dev, void *data, struct drm_file *file_priv) { @@ -173,6 +175,8 @@ int drm_getmagic(struct drm_device *dev, void *data, struct drm_file *file_priv) * \return zero if authentication successed, or a negative number otherwise. * * Checks if \p file_priv is associated with the magic number passed in \arg. + * This ioctl needs protection by the drm_global_mutex, which protects + * struct drm_file::magic and struct drm_magic_entry::priv. */ int drm_authmagic(struct drm_device *dev, void *data, struct drm_file *file_priv) diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index c00cf154cc0bbd..6263b0147598de 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -487,6 +487,11 @@ int drm_release(struct inode *inode, struct file *filp) (long)old_encode_dev(file_priv->minor->device), dev->open_count); + /* Release any auth tokens that might point to this file_priv, + (do that under the drm_global_mutex) */ + if (file_priv->magic) + (void) drm_remove_magic(file_priv->master, file_priv->magic); + /* if the master has gone away we can't do anything with the lock */ if (file_priv->minor->master) drm_master_release(dev, filp); diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 396e60ce811467..f8625e2907288f 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -140,7 +140,7 @@ int drm_gem_object_init(struct drm_device *dev, obj->dev = dev; obj->filp = shmem_file_setup("drm mm object", size, VM_NORESERVE); if (IS_ERR(obj->filp)) - return -ENOMEM; + return PTR_ERR(obj->filp); kref_init(&obj->refcount); atomic_set(&obj->handle_count, 0); diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index ddd70db45f7611..637fcc3766c7d7 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -315,7 +315,8 @@ static int compat_drm_getclient(struct file *file, unsigned int cmd, if (err) return err; - if (__get_user(c32.auth, &client->auth) + if (__get_user(c32.idx, &client->idx) + || __get_user(c32.auth, &client->auth) || __get_user(c32.pid, &client->pid) || __get_user(c32.uid, &client->uid) || __get_user(c32.magic, &client->magic) diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index f9aaa56eae07c7..b9e5266c341baa 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -13,7 +13,7 @@ config DRM_EXYNOS config DRM_EXYNOS_FIMD tristate "Exynos DRM FIMD" - depends on DRM_EXYNOS + depends on DRM_EXYNOS && !FB_S3C default n help Choose this option if you want to use Exynos FIMD for DRM. @@ -21,7 +21,7 @@ config DRM_EXYNOS_FIMD config DRM_EXYNOS_HDMI tristate "Exynos DRM HDMI" - depends on DRM_EXYNOS + depends on DRM_EXYNOS && !VIDEO_SAMSUNG_S5P_TV help Choose this option if you want to use Exynos HDMI for DRM. If M is selected, the module will be called exynos_drm_hdmi diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index ca83139cd30997..b6a737d196ae55 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -158,7 +158,8 @@ static void fimd_dpms(struct device *subdrv_dev, int mode) case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: - pm_runtime_put_sync(subdrv_dev); + if (!ctx->suspended) + pm_runtime_put_sync(subdrv_dev); break; default: DRM_DEBUG_KMS("unspecified mode %d\n", mode); @@ -734,6 +735,46 @@ static void fimd_clear_win(struct fimd_context *ctx, int win) writel(val, ctx->regs + SHADOWCON); } +static int fimd_power_on(struct fimd_context *ctx, bool enable) +{ + struct exynos_drm_subdrv *subdrv = &ctx->subdrv; + struct device *dev = subdrv->manager.dev; + + DRM_DEBUG_KMS("%s\n", __FILE__); + + if (enable != false && enable != true) + return -EINVAL; + + if (enable) { + int ret; + + ret = clk_enable(ctx->bus_clk); + if (ret < 0) + return ret; + + ret = clk_enable(ctx->lcd_clk); + if (ret < 0) { + clk_disable(ctx->bus_clk); + return ret; + } + + ctx->suspended = false; + + /* if vblank was enabled status, enable it again. */ + if (test_and_clear_bit(0, &ctx->irq_flags)) + fimd_enable_vblank(dev); + + fimd_apply(dev); + } else { + clk_disable(ctx->lcd_clk); + clk_disable(ctx->bus_clk); + + ctx->suspended = true; + } + + return 0; +} + static int __devinit fimd_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -911,39 +952,30 @@ out: #ifdef CONFIG_PM_SLEEP static int fimd_suspend(struct device *dev) { - int ret; + struct fimd_context *ctx = get_fimd_context(dev); if (pm_runtime_suspended(dev)) return 0; - ret = pm_runtime_suspend(dev); - if (ret < 0) - return ret; - - return 0; + /* + * do not use pm_runtime_suspend(). if pm_runtime_suspend() is + * called here, an error would be returned by that interface + * because the usage_count of pm runtime is more than 1. + */ + return fimd_power_on(ctx, false); } static int fimd_resume(struct device *dev) { - int ret; - - ret = pm_runtime_resume(dev); - if (ret < 0) { - DRM_ERROR("failed to resume runtime pm.\n"); - return ret; - } - - pm_runtime_disable(dev); - - ret = pm_runtime_set_active(dev); - if (ret < 0) { - DRM_ERROR("failed to active runtime pm.\n"); - pm_runtime_enable(dev); - pm_runtime_suspend(dev); - return ret; - } + struct fimd_context *ctx = get_fimd_context(dev); - pm_runtime_enable(dev); + /* + * if entered to sleep when lcd panel was on, the usage_count + * of pm runtime would still be 1 so in this case, fimd driver + * should be on directly not drawing on pm runtime interface. + */ + if (!pm_runtime_suspended(dev)) + return fimd_power_on(ctx, true); return 0; } @@ -956,39 +988,16 @@ static int fimd_runtime_suspend(struct device *dev) DRM_DEBUG_KMS("%s\n", __FILE__); - clk_disable(ctx->lcd_clk); - clk_disable(ctx->bus_clk); - - ctx->suspended = true; - return 0; + return fimd_power_on(ctx, false); } static int fimd_runtime_resume(struct device *dev) { struct fimd_context *ctx = get_fimd_context(dev); - int ret; DRM_DEBUG_KMS("%s\n", __FILE__); - ret = clk_enable(ctx->bus_clk); - if (ret < 0) - return ret; - - ret = clk_enable(ctx->lcd_clk); - if (ret < 0) { - clk_disable(ctx->bus_clk); - return ret; - } - - ctx->suspended = false; - - /* if vblank was enabled status, enable it again. */ - if (test_and_clear_bit(0, &ctx->irq_flags)) - fimd_enable_vblank(dev); - - fimd_apply(dev); - - return 0; + return fimd_power_on(ctx, true); } #endif diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index f48f7ce92f5f5e..3429d3fd93f326 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1116,8 +1116,8 @@ err_ddc: err_iomap: iounmap(hdata->regs); err_req_region: - release_resource(hdata->regs_res); - kfree(hdata->regs_res); + release_mem_region(hdata->regs_res->start, + resource_size(hdata->regs_res)); err_resource: hdmi_resources_cleanup(hdata); err_data: @@ -1145,8 +1145,8 @@ static int __devexit hdmi_remove(struct platform_device *pdev) iounmap(hdata->regs); - release_resource(hdata->regs_res); - kfree(hdata->regs_res); + release_mem_region(hdata->regs_res->start, + resource_size(hdata->regs_res)); /* hdmiphy i2c driver */ i2c_del_driver(&hdmiphy_driver); diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index 791c0ef1a65b04..830dfdd6bf154a 100644 --- a/drivers/gpu/drm/gma500/framebuffer.c +++ b/drivers/gpu/drm/gma500/framebuffer.c @@ -113,12 +113,12 @@ static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info) void psbfb_suspend(struct drm_device *dev) { - struct drm_framebuffer *fb = 0; - struct psb_framebuffer *psbfb = to_psb_fb(fb); + struct drm_framebuffer *fb; console_lock(); mutex_lock(&dev->mode_config.mutex); list_for_each_entry(fb, &dev->mode_config.fb_list, head) { + struct psb_framebuffer *psbfb = to_psb_fb(fb); struct fb_info *info = psbfb->fbdev; fb_set_suspend(info, 1); drm_fb_helper_blank(FB_BLANK_POWERDOWN, info); @@ -129,12 +129,12 @@ void psbfb_suspend(struct drm_device *dev) void psbfb_resume(struct drm_device *dev) { - struct drm_framebuffer *fb = 0; - struct psb_framebuffer *psbfb = to_psb_fb(fb); + struct drm_framebuffer *fb; console_lock(); mutex_lock(&dev->mode_config.mutex); list_for_each_entry(fb, &dev->mode_config.fb_list, head) { + struct psb_framebuffer *psbfb = to_psb_fb(fb); struct fb_info *info = psbfb->fbdev; fb_set_suspend(info, 0); drm_fb_helper_blank(FB_BLANK_UNBLANK, info); diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c index f7c17b23983389..7f4b4e10246ecf 100644 --- a/drivers/gpu/drm/i810/i810_dma.c +++ b/drivers/gpu/drm/i810/i810_dma.c @@ -886,7 +886,7 @@ static int i810_flush_queue(struct drm_device *dev) } /* Must be called with the lock held */ -void i810_driver_reclaim_buffers(struct drm_device *dev, +static void i810_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv) { struct drm_device_dma *dma = dev->dma; @@ -1223,17 +1223,12 @@ void i810_driver_preclose(struct drm_device *dev, struct drm_file *file_priv) if (dev_priv->page_flipping) i810_do_cleanup_pageflip(dev); } +} - if (file_priv->master && file_priv->master->lock.hw_lock) { - drm_idlelock_take(&file_priv->master->lock); - i810_driver_reclaim_buffers(dev, file_priv); - drm_idlelock_release(&file_priv->master->lock); - } else { - /* master disappeared, clean up stuff anyway and hope nothing - * goes wrong */ - i810_driver_reclaim_buffers(dev, file_priv); - } - +void i810_driver_reclaim_buffers_locked(struct drm_device *dev, + struct drm_file *file_priv) +{ + i810_reclaim_buffers(dev, file_priv); } int i810_driver_dma_quiescent(struct drm_device *dev) diff --git a/drivers/gpu/drm/i810/i810_drv.c b/drivers/gpu/drm/i810/i810_drv.c index 053f1ee58393a8..ec12f7dc717a86 100644 --- a/drivers/gpu/drm/i810/i810_drv.c +++ b/drivers/gpu/drm/i810/i810_drv.c @@ -63,6 +63,7 @@ static struct drm_driver driver = { .lastclose = i810_driver_lastclose, .preclose = i810_driver_preclose, .device_is_agp = i810_driver_device_is_agp, + .reclaim_buffers_locked = i810_driver_reclaim_buffers_locked, .dma_quiescent = i810_driver_dma_quiescent, .ioctls = i810_ioctls, .fops = &i810_driver_fops, diff --git a/drivers/gpu/drm/i810/i810_drv.h b/drivers/gpu/drm/i810/i810_drv.h index 6e0acad9e0f556..c9339f48179551 100644 --- a/drivers/gpu/drm/i810/i810_drv.h +++ b/drivers/gpu/drm/i810/i810_drv.h @@ -116,12 +116,14 @@ typedef struct drm_i810_private { /* i810_dma.c */ extern int i810_driver_dma_quiescent(struct drm_device *dev); -void i810_driver_reclaim_buffers(struct drm_device *dev, - struct drm_file *file_priv); +extern void i810_driver_reclaim_buffers_locked(struct drm_device *dev, + struct drm_file *file_priv); extern int i810_driver_load(struct drm_device *, unsigned long flags); extern void i810_driver_lastclose(struct drm_device *dev); extern void i810_driver_preclose(struct drm_device *dev, struct drm_file *file_priv); +extern void i810_driver_reclaim_buffers_locked(struct drm_device *dev, + struct drm_file *file_priv); extern int i810_driver_device_is_agp(struct drm_device *dev); extern long i810_ioctl(struct file *file, unsigned int cmd, unsigned long arg); diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 11807989f918b3..deaa657292b45b 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -121,11 +121,11 @@ static const char *cache_level_str(int type) static void describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) { - seq_printf(m, "%p: %s%s %8zd %04x %04x %d %d%s%s%s", + seq_printf(m, "%p: %s%s %8zdKiB %04x %04x %d %d%s%s%s", &obj->base, get_pin_flag(obj), get_tiling_flag(obj), - obj->base.size, + obj->base.size / 1024, obj->base.read_domains, obj->base.write_domain, obj->last_rendering_seqno, @@ -653,7 +653,7 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data) seq_printf(m, " Size : %08x\n", ring->size); seq_printf(m, " Active : %08x\n", intel_ring_get_active_head(ring)); seq_printf(m, " NOPID : %08x\n", I915_READ_NOPID(ring)); - if (IS_GEN6(dev)) { + if (IS_GEN6(dev) || IS_GEN7(dev)) { seq_printf(m, " Sync 0 : %08x\n", I915_READ_SYNC_0(ring)); seq_printf(m, " Sync 1 : %08x\n", I915_READ_SYNC_1(ring)); } @@ -1075,6 +1075,7 @@ static int gen6_drpc_info(struct seq_file *m) struct drm_device *dev = node->minor->dev; struct drm_i915_private *dev_priv = dev->dev_private; u32 rpmodectl1, gt_core_status, rcctl1; + unsigned forcewake_count; int count=0, ret; @@ -1082,9 +1083,13 @@ static int gen6_drpc_info(struct seq_file *m) if (ret) return ret; - if (atomic_read(&dev_priv->forcewake_count)) { - seq_printf(m, "RC information inaccurate because userspace " - "holds a reference \n"); + spin_lock_irq(&dev_priv->gt_lock); + forcewake_count = dev_priv->forcewake_count; + spin_unlock_irq(&dev_priv->gt_lock); + + if (forcewake_count) { + seq_printf(m, "RC information inaccurate because somebody " + "holds a forcewake reference \n"); } else { /* NB: we cannot use forcewake, else we read the wrong values */ while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1)) @@ -1106,7 +1111,7 @@ static int gen6_drpc_info(struct seq_file *m) seq_printf(m, "SW control enabled: %s\n", yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == GEN6_RP_MEDIA_SW_MODE)); - seq_printf(m, "RC6 Enabled: %s\n", + seq_printf(m, "RC1e Enabled: %s\n", yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE)); seq_printf(m, "RC6 Enabled: %s\n", yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE)); @@ -1398,9 +1403,13 @@ static int i915_gen6_forcewake_count_info(struct seq_file *m, void *data) struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; struct drm_i915_private *dev_priv = dev->dev_private; + unsigned forcewake_count; + + spin_lock_irq(&dev_priv->gt_lock); + forcewake_count = dev_priv->forcewake_count; + spin_unlock_irq(&dev_priv->gt_lock); - seq_printf(m, "forcewake count = %d\n", - atomic_read(&dev_priv->forcewake_count)); + seq_printf(m, "forcewake count = %u\n", forcewake_count); return 0; } @@ -1665,7 +1674,7 @@ static int i915_forcewake_open(struct inode *inode, struct file *file) struct drm_i915_private *dev_priv = dev->dev_private; int ret; - if (!IS_GEN6(dev)) + if (INTEL_INFO(dev)->gen < 6) return 0; ret = mutex_lock_interruptible(&dev->struct_mutex); @@ -1682,7 +1691,7 @@ int i915_forcewake_release(struct inode *inode, struct file *file) struct drm_device *dev = inode->i_private; struct drm_i915_private *dev_priv = dev->dev_private; - if (!IS_GEN6(dev)) + if (INTEL_INFO(dev)->gen < 6) return 0; /* diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 5f4d5893e98356..ddfe3d902b2a3a 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -2045,6 +2045,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) if (!IS_I945G(dev) && !IS_I945GM(dev)) pci_enable_msi(dev->pdev); + spin_lock_init(&dev_priv->gt_lock); spin_lock_init(&dev_priv->irq_lock); spin_lock_init(&dev_priv->error_lock); spin_lock_init(&dev_priv->rps_lock); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 8f7187915b0dea..308f819135626c 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -368,11 +368,12 @@ void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv) */ void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv) { - WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex)); + unsigned long irqflags; - /* Forcewake is atomic in case we get in here without the lock */ - if (atomic_add_return(1, &dev_priv->forcewake_count) == 1) + spin_lock_irqsave(&dev_priv->gt_lock, irqflags); + if (dev_priv->forcewake_count++ == 0) dev_priv->display.force_wake_get(dev_priv); + spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags); } void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv) @@ -392,10 +393,12 @@ void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv) */ void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv) { - WARN_ON(!mutex_is_locked(&dev_priv->dev->struct_mutex)); + unsigned long irqflags; - if (atomic_dec_and_test(&dev_priv->forcewake_count)) + spin_lock_irqsave(&dev_priv->gt_lock, irqflags); + if (--dev_priv->forcewake_count == 0) dev_priv->display.force_wake_put(dev_priv); + spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags); } void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv) @@ -597,9 +600,36 @@ static int ironlake_do_reset(struct drm_device *dev, u8 flags) static int gen6_do_reset(struct drm_device *dev, u8 flags) { struct drm_i915_private *dev_priv = dev->dev_private; + int ret; + unsigned long irqflags; - I915_WRITE(GEN6_GDRST, GEN6_GRDOM_FULL); - return wait_for((I915_READ(GEN6_GDRST) & GEN6_GRDOM_FULL) == 0, 500); + /* Hold gt_lock across reset to prevent any register access + * with forcewake not set correctly + */ + spin_lock_irqsave(&dev_priv->gt_lock, irqflags); + + /* Reset the chip */ + + /* GEN6_GDRST is not in the gt power well, no need to check + * for fifo space for the write or forcewake the chip for + * the read + */ + I915_WRITE_NOTRACE(GEN6_GDRST, GEN6_GRDOM_FULL); + + /* Spin waiting for the device to ack the reset request */ + ret = wait_for((I915_READ_NOTRACE(GEN6_GDRST) & GEN6_GRDOM_FULL) == 0, 500); + + /* If reset with a user forcewake, try to restore, otherwise turn it off */ + if (dev_priv->forcewake_count) + dev_priv->display.force_wake_get(dev_priv); + else + dev_priv->display.force_wake_put(dev_priv); + + /* Restore fifo count */ + dev_priv->gt_fifo_count = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES); + + spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags); + return ret; } /** @@ -643,9 +673,6 @@ int i915_reset(struct drm_device *dev, u8 flags) case 7: case 6: ret = gen6_do_reset(dev, flags); - /* If reset with a user forcewake, try to restore */ - if (atomic_read(&dev_priv->forcewake_count)) - __gen6_gt_force_wake_get(dev_priv); break; case 5: ret = ironlake_do_reset(dev, flags); @@ -927,9 +954,14 @@ MODULE_LICENSE("GPL and additional rights"); u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \ u##x val = 0; \ if (NEEDS_FORCE_WAKE((dev_priv), (reg))) { \ - gen6_gt_force_wake_get(dev_priv); \ + unsigned long irqflags; \ + spin_lock_irqsave(&dev_priv->gt_lock, irqflags); \ + if (dev_priv->forcewake_count == 0) \ + dev_priv->display.force_wake_get(dev_priv); \ val = read##y(dev_priv->regs + reg); \ - gen6_gt_force_wake_put(dev_priv); \ + if (dev_priv->forcewake_count == 0) \ + dev_priv->display.force_wake_put(dev_priv); \ + spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags); \ } else { \ val = read##y(dev_priv->regs + reg); \ } \ diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 602bc80baabb98..9689ca38b2b333 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -288,7 +288,13 @@ typedef struct drm_i915_private { int relative_constants_mode; void __iomem *regs; - u32 gt_fifo_count; + /** gt_fifo_count and the subsequent register write are synchronized + * with dev->struct_mutex. */ + unsigned gt_fifo_count; + /** forcewake_count is protected by gt_lock */ + unsigned forcewake_count; + /** gt_lock is also taken in irq contexts. */ + struct spinlock gt_lock; struct intel_gmbus { struct i2c_adapter adapter; @@ -741,8 +747,6 @@ typedef struct drm_i915_private { struct drm_property *broadcast_rgb_property; struct drm_property *force_audio_property; - - atomic_t forcewake_count; } drm_i915_private_t; enum i915_cache_level { diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 5d433fc11ace13..5bd4361ea84dd2 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1751,7 +1751,8 @@ static void ironlake_irq_preinstall(struct drm_device *dev) INIT_WORK(&dev_priv->rps_work, gen6_pm_rps_work); I915_WRITE(HWSTAM, 0xeffe); - if (IS_GEN6(dev) || IS_GEN7(dev)) { + + if (IS_GEN6(dev)) { /* Workaround stalls observed on Sandy Bridge GPUs by * making the blitter command streamer generate a * write to the Hardware Status Page for diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 7886e4fb60e3e2..2b5eb229ff2cc1 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -28,14 +28,19 @@ #include "drm.h" #include "i915_drm.h" #include "intel_drv.h" +#include "i915_reg.h" static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe) { struct drm_i915_private *dev_priv = dev->dev_private; u32 dpll_reg; + /* On IVB, 3rd pipe shares PLL with another one */ + if (pipe > 1) + return false; + if (HAS_PCH_SPLIT(dev)) - dpll_reg = (pipe == PIPE_A) ? _PCH_DPLL_A : _PCH_DPLL_B; + dpll_reg = PCH_DPLL(pipe); else dpll_reg = (pipe == PIPE_A) ? _DPLL_A : _DPLL_B; @@ -822,7 +827,7 @@ int i915_save_state(struct drm_device *dev) if (IS_IRONLAKE_M(dev)) ironlake_disable_drps(dev); - if (IS_GEN6(dev)) + if (INTEL_INFO(dev)->gen >= 6) gen6_disable_rps(dev); /* Cache mode state */ @@ -881,7 +886,7 @@ int i915_restore_state(struct drm_device *dev) intel_init_emon(dev); } - if (IS_GEN6(dev)) { + if (INTEL_INFO(dev)->gen >= 6) { gen6_enable_rps(dev_priv); gen6_update_ring_freq(dev_priv); } diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h index 8af3735e27c615..dbda6e3bdf0766 100644 --- a/drivers/gpu/drm/i915/intel_bios.h +++ b/drivers/gpu/drm/i915/intel_bios.h @@ -467,8 +467,12 @@ struct edp_link_params { struct bdb_edp { struct edp_power_seq power_seqs[16]; u32 color_depth; - u32 sdrrs_msa_timing_delay; struct edp_link_params link_params[16]; + u32 sdrrs_msa_timing_delay; + + /* ith bit indicates enabled/disabled for (i+1)th panel */ + u16 edp_s3d_feature; + u16 edp_t3_optimization; } __attribute__ ((packed)); void intel_setup_bios(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index fee0ad02c6d0f6..dd729d46a61fb5 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -24,6 +24,7 @@ * Eric Anholt <eric@anholt.net> */ +#include <linux/dmi.h> #include <linux/i2c.h> #include <linux/slab.h> #include "drmP.h" @@ -540,6 +541,24 @@ static const struct drm_encoder_funcs intel_crt_enc_funcs = { .destroy = intel_encoder_destroy, }; +static int __init intel_no_crt_dmi_callback(const struct dmi_system_id *id) +{ + DRM_DEBUG_KMS("Skipping CRT initialization for %s\n", id->ident); + return 1; +} + +static const struct dmi_system_id intel_no_crt[] = { + { + .callback = intel_no_crt_dmi_callback, + .ident = "ACER ZGB", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ACER"), + DMI_MATCH(DMI_PRODUCT_NAME, "ZGB"), + }, + }, + { } +}; + void intel_crt_init(struct drm_device *dev) { struct drm_connector *connector; @@ -547,6 +566,10 @@ void intel_crt_init(struct drm_device *dev) struct intel_connector *intel_connector; struct drm_i915_private *dev_priv = dev->dev_private; + /* Skip machines without VGA that falsely report hotplug events */ + if (dmi_check_system(intel_no_crt)) + return; + crt = kzalloc(sizeof(struct intel_crt), GFP_KERNEL); if (!crt) return; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 2a3f707caab8cc..00fbff5ddd814b 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1872,7 +1872,7 @@ static void intel_update_fbc(struct drm_device *dev) if (enable_fbc < 0) { DRM_DEBUG_KMS("fbc set to per-chip default\n"); enable_fbc = 1; - if (INTEL_INFO(dev)->gen <= 5) + if (INTEL_INFO(dev)->gen <= 6) enable_fbc = 0; } if (!enable_fbc) { @@ -5307,6 +5307,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, } } + pipeconf &= ~PIPECONF_INTERLACE_MASK; if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; /* the chip adds 2 halflines automatically */ @@ -5317,7 +5318,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, adjusted_mode->crtc_vsync_end -= 1; adjusted_mode->crtc_vsync_start -= 1; } else - pipeconf &= ~PIPECONF_INTERLACE_MASK; /* progressive */ + pipeconf |= PIPECONF_PROGRESSIVE; I915_WRITE(HTOTAL(pipe), (adjusted_mode->crtc_hdisplay - 1) | @@ -5808,12 +5809,15 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, if (is_lvds) { temp = I915_READ(PCH_LVDS); temp |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP; - if (HAS_PCH_CPT(dev)) + if (HAS_PCH_CPT(dev)) { + temp &= ~PORT_TRANS_SEL_MASK; temp |= PORT_TRANS_SEL_CPT(pipe); - else if (pipe == 1) - temp |= LVDS_PIPEB_SELECT; - else - temp &= ~LVDS_PIPEB_SELECT; + } else { + if (pipe == 1) + temp |= LVDS_PIPEB_SELECT; + else + temp &= ~LVDS_PIPEB_SELECT; + } /* set the corresponsding LVDS_BORDER bit */ temp |= dev_priv->lvds_border_bits; @@ -5899,6 +5903,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, } } + pipeconf &= ~PIPECONF_INTERLACE_MASK; if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; /* the chip adds 2 halflines automatically */ @@ -5909,7 +5914,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, adjusted_mode->crtc_vsync_end -= 1; adjusted_mode->crtc_vsync_start -= 1; } else - pipeconf &= ~PIPECONF_INTERLACE_W_FIELD_INDICATION; /* progressive */ + pipeconf |= PIPECONF_PROGRESSIVE; I915_WRITE(HTOTAL(pipe), (adjusted_mode->crtc_hdisplay - 1) | @@ -9025,12 +9030,9 @@ void intel_modeset_init(struct drm_device *dev) for (i = 0; i < dev_priv->num_pipe; i++) { intel_crtc_init(dev, i); - if (HAS_PCH_SPLIT(dev)) { - ret = intel_plane_init(dev, i); - if (ret) - DRM_ERROR("plane %d init failed: %d\n", - i, ret); - } + ret = intel_plane_init(dev, i); + if (ret) + DRM_DEBUG_KMS("plane %d init failed: %d\n", i, ret); } /* Just disable it once at startup */ diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index db3b461ad4124b..94f860cce3f748 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -208,17 +208,8 @@ intel_dp_link_clock(uint8_t link_bw) */ static int -intel_dp_link_required(struct intel_dp *intel_dp, int pixel_clock, int check_bpp) +intel_dp_link_required(int pixel_clock, int bpp) { - struct drm_crtc *crtc = intel_dp->base.base.crtc; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - int bpp = 24; - - if (check_bpp) - bpp = check_bpp; - else if (intel_crtc) - bpp = intel_crtc->bpp; - return (pixel_clock * bpp + 9) / 10; } @@ -245,12 +236,11 @@ intel_dp_mode_valid(struct drm_connector *connector, return MODE_PANEL; } - mode_rate = intel_dp_link_required(intel_dp, mode->clock, 0); + mode_rate = intel_dp_link_required(mode->clock, 24); max_rate = intel_dp_max_data_rate(max_link_clock, max_lanes); if (mode_rate > max_rate) { - mode_rate = intel_dp_link_required(intel_dp, - mode->clock, 18); + mode_rate = intel_dp_link_required(mode->clock, 18); if (mode_rate > max_rate) return MODE_CLOCK_HIGH; else @@ -683,7 +673,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, int lane_count, clock; int max_lane_count = intel_dp_max_lane_count(intel_dp); int max_clock = intel_dp_max_link_bw(intel_dp) == DP_LINK_BW_2_7 ? 1 : 0; - int bpp = mode->private_flags & INTEL_MODE_DP_FORCE_6BPC ? 18 : 0; + int bpp = mode->private_flags & INTEL_MODE_DP_FORCE_6BPC ? 18 : 24; static int bws[2] = { DP_LINK_BW_1_62, DP_LINK_BW_2_7 }; if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) { @@ -701,7 +691,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, for (clock = 0; clock <= max_clock; clock++) { int link_avail = intel_dp_max_data_rate(intel_dp_link_clock(bws[clock]), lane_count); - if (intel_dp_link_required(intel_dp, mode->clock, bpp) + if (intel_dp_link_required(mode->clock, bpp) <= link_avail) { intel_dp->link_bw = bws[clock]; intel_dp->lane_count = lane_count; diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index e44191132ac4e9..aa84832b0e1ad1 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -694,6 +694,14 @@ static const struct dmi_system_id intel_no_lvds[] = { }, { .callback = intel_no_lvds_dmi_callback, + .ident = "AOpen i45GMx-I", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"), + DMI_MATCH(DMI_BOARD_NAME, "i45GMx-I"), + }, + }, + { + .callback = intel_no_lvds_dmi_callback, .ident = "Aopen i945GTt-VFA", .matches = { DMI_MATCH(DMI_PRODUCT_VERSION, "AO00001JW"), @@ -708,6 +716,14 @@ static const struct dmi_system_id intel_no_lvds[] = { }, }, { + .callback = intel_no_lvds_dmi_callback, + .ident = "Clientron E830", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Clientron"), + DMI_MATCH(DMI_PRODUCT_NAME, "E830"), + }, + }, + { .callback = intel_no_lvds_dmi_callback, .ident = "Asus EeeBox PC EB1007", .matches = { diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 77e729d4e4f024..1ab842c6032e94 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -636,6 +636,19 @@ render_ring_add_request(struct intel_ring_buffer *ring, } static u32 +gen6_ring_get_seqno(struct intel_ring_buffer *ring) +{ + struct drm_device *dev = ring->dev; + + /* Workaround to force correct ordering between irq and seqno writes on + * ivb (and maybe also on snb) by reading from a CS register (like + * ACTHD) before reading the status page. */ + if (IS_GEN7(dev)) + intel_ring_get_active_head(ring); + return intel_read_status_page(ring, I915_GEM_HWS_INDEX); +} + +static u32 ring_get_seqno(struct intel_ring_buffer *ring) { return intel_read_status_page(ring, I915_GEM_HWS_INDEX); @@ -792,17 +805,6 @@ ring_add_request(struct intel_ring_buffer *ring, } static bool -gen7_blt_ring_get_irq(struct intel_ring_buffer *ring) -{ - /* The BLT ring on IVB appears to have broken synchronization - * between the seqno write and the interrupt, so that the - * interrupt appears first. Returning false here makes - * i915_wait_request() do a polling loop, instead. - */ - return false; -} - -static bool gen6_ring_get_irq(struct intel_ring_buffer *ring, u32 gflag, u32 rflag) { struct drm_device *dev = ring->dev; @@ -811,6 +813,12 @@ gen6_ring_get_irq(struct intel_ring_buffer *ring, u32 gflag, u32 rflag) if (!dev->irq_enabled) return false; + /* It looks like we need to prevent the gt from suspending while waiting + * for an notifiy irq, otherwise irqs seem to get lost on at least the + * blt/bsd rings on ivb. */ + if (IS_GEN7(dev)) + gen6_gt_force_wake_get(dev_priv); + spin_lock(&ring->irq_lock); if (ring->irq_refcount++ == 0) { ring->irq_mask &= ~rflag; @@ -835,6 +843,9 @@ gen6_ring_put_irq(struct intel_ring_buffer *ring, u32 gflag, u32 rflag) ironlake_disable_irq(dev_priv, gflag); } spin_unlock(&ring->irq_lock); + + if (IS_GEN7(dev)) + gen6_gt_force_wake_put(dev_priv); } static bool @@ -1341,7 +1352,7 @@ static const struct intel_ring_buffer gen6_bsd_ring = { .write_tail = gen6_bsd_ring_write_tail, .flush = gen6_ring_flush, .add_request = gen6_add_request, - .get_seqno = ring_get_seqno, + .get_seqno = gen6_ring_get_seqno, .irq_get = gen6_bsd_ring_get_irq, .irq_put = gen6_bsd_ring_put_irq, .dispatch_execbuffer = gen6_ring_dispatch_execbuffer, @@ -1476,7 +1487,7 @@ static const struct intel_ring_buffer gen6_blt_ring = { .write_tail = ring_write_tail, .flush = blt_ring_flush, .add_request = gen6_add_request, - .get_seqno = ring_get_seqno, + .get_seqno = gen6_ring_get_seqno, .irq_get = blt_ring_get_irq, .irq_put = blt_ring_put_irq, .dispatch_execbuffer = gen6_ring_dispatch_execbuffer, @@ -1499,6 +1510,7 @@ int intel_init_render_ring_buffer(struct drm_device *dev) ring->flush = gen6_render_ring_flush; ring->irq_get = gen6_render_ring_get_irq; ring->irq_put = gen6_render_ring_put_irq; + ring->get_seqno = gen6_ring_get_seqno; } else if (IS_GEN5(dev)) { ring->add_request = pc_render_add_request; ring->get_seqno = pc_render_get_seqno; @@ -1577,8 +1589,5 @@ int intel_init_blt_ring_buffer(struct drm_device *dev) *ring = gen6_blt_ring; - if (IS_GEN7(dev)) - ring->irq_get = gen7_blt_ring_get_irq; - return intel_init_ring_buffer(dev, ring); } diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index f7b9268df26668..e334ec33a47d4e 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -1066,15 +1066,13 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder, /* Set the SDVO control regs. */ if (INTEL_INFO(dev)->gen >= 4) { - sdvox = 0; + /* The real mode polarity is set by the SDVO commands, using + * struct intel_sdvo_dtd. */ + sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH; if (intel_sdvo->is_hdmi) sdvox |= intel_sdvo->color_range; if (INTEL_INFO(dev)->gen < 5) sdvox |= SDVO_BORDER_ENABLE; - if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) - sdvox |= SDVO_VSYNC_ACTIVE_HIGH; - if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) - sdvox |= SDVO_HSYNC_ACTIVE_HIGH; } else { sdvox = I915_READ(intel_sdvo->sdvo_reg); switch (intel_sdvo->sdvo_reg) { diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index d13989fda50101..2288abf88cce4e 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -466,10 +466,8 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, mutex_lock(&dev->struct_mutex); ret = intel_pin_and_fence_fb_obj(dev, obj, NULL); - if (ret) { - DRM_ERROR("failed to pin object\n"); + if (ret) goto out_unlock; - } intel_plane->obj = obj; @@ -632,10 +630,8 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe) unsigned long possible_crtcs; int ret; - if (!(IS_GEN6(dev) || IS_GEN7(dev))) { - DRM_ERROR("new plane code only for SNB+\n"); + if (!(IS_GEN6(dev) || IS_GEN7(dev))) return -ENODEV; - } intel_plane = kzalloc(sizeof(struct intel_plane), GFP_KERNEL); if (!intel_plane) diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index f3c6a9a8b081ae..1571be37ce3e36 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -417,7 +417,7 @@ static const struct tv_mode tv_modes[] = { { .name = "NTSC-M", .clock = 108000, - .refresh = 29970, + .refresh = 59940, .oversample = TV_OVERSAMPLE_8X, .component_only = 0, /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 3.580MHz */ @@ -460,7 +460,7 @@ static const struct tv_mode tv_modes[] = { { .name = "NTSC-443", .clock = 108000, - .refresh = 29970, + .refresh = 59940, .oversample = TV_OVERSAMPLE_8X, .component_only = 0, /* 525 Lines, 60 Fields, 15.734KHz line, Sub-Carrier 4.43MHz */ @@ -502,7 +502,7 @@ static const struct tv_mode tv_modes[] = { { .name = "NTSC-J", .clock = 108000, - .refresh = 29970, + .refresh = 59940, .oversample = TV_OVERSAMPLE_8X, .component_only = 0, @@ -545,7 +545,7 @@ static const struct tv_mode tv_modes[] = { { .name = "PAL-M", .clock = 108000, - .refresh = 29970, + .refresh = 59940, .oversample = TV_OVERSAMPLE_8X, .component_only = 0, @@ -589,7 +589,7 @@ static const struct tv_mode tv_modes[] = { /* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */ .name = "PAL-N", .clock = 108000, - .refresh = 25000, + .refresh = 50000, .oversample = TV_OVERSAMPLE_8X, .component_only = 0, @@ -634,7 +634,7 @@ static const struct tv_mode tv_modes[] = { /* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */ .name = "PAL", .clock = 108000, - .refresh = 25000, + .refresh = 50000, .oversample = TV_OVERSAMPLE_8X, .component_only = 0, @@ -674,78 +674,6 @@ static const struct tv_mode tv_modes[] = { .filter_table = filter_table, }, { - .name = "480p@59.94Hz", - .clock = 107520, - .refresh = 59940, - .oversample = TV_OVERSAMPLE_4X, - .component_only = 1, - - .hsync_end = 64, .hblank_end = 122, - .hblank_start = 842, .htotal = 857, - - .progressive = true, .trilevel_sync = false, - - .vsync_start_f1 = 12, .vsync_start_f2 = 12, - .vsync_len = 12, - - .veq_ena = false, - - .vi_end_f1 = 44, .vi_end_f2 = 44, - .nbr_end = 479, - - .burst_ena = false, - - .filter_table = filter_table, - }, - { - .name = "480p@60Hz", - .clock = 107520, - .refresh = 60000, - .oversample = TV_OVERSAMPLE_4X, - .component_only = 1, - - .hsync_end = 64, .hblank_end = 122, - .hblank_start = 842, .htotal = 856, - - .progressive = true, .trilevel_sync = false, - - .vsync_start_f1 = 12, .vsync_start_f2 = 12, - .vsync_len = 12, - - .veq_ena = false, - - .vi_end_f1 = 44, .vi_end_f2 = 44, - .nbr_end = 479, - - .burst_ena = false, - - .filter_table = filter_table, - }, - { - .name = "576p", - .clock = 107520, - .refresh = 50000, - .oversample = TV_OVERSAMPLE_4X, - .component_only = 1, - - .hsync_end = 64, .hblank_end = 139, - .hblank_start = 859, .htotal = 863, - - .progressive = true, .trilevel_sync = false, - - .vsync_start_f1 = 10, .vsync_start_f2 = 10, - .vsync_len = 10, - - .veq_ena = false, - - .vi_end_f1 = 48, .vi_end_f2 = 48, - .nbr_end = 575, - - .burst_ena = false, - - .filter_table = filter_table, - }, - { .name = "720p@60Hz", .clock = 148800, .refresh = 60000, @@ -770,30 +698,6 @@ static const struct tv_mode tv_modes[] = { .filter_table = filter_table, }, { - .name = "720p@59.94Hz", - .clock = 148800, - .refresh = 59940, - .oversample = TV_OVERSAMPLE_2X, - .component_only = 1, - - .hsync_end = 80, .hblank_end = 300, - .hblank_start = 1580, .htotal = 1651, - - .progressive = true, .trilevel_sync = true, - - .vsync_start_f1 = 10, .vsync_start_f2 = 10, - .vsync_len = 10, - - .veq_ena = false, - - .vi_end_f1 = 29, .vi_end_f2 = 29, - .nbr_end = 719, - - .burst_ena = false, - - .filter_table = filter_table, - }, - { .name = "720p@50Hz", .clock = 148800, .refresh = 50000, @@ -821,7 +725,7 @@ static const struct tv_mode tv_modes[] = { { .name = "1080i@50Hz", .clock = 148800, - .refresh = 25000, + .refresh = 50000, .oversample = TV_OVERSAMPLE_2X, .component_only = 1, @@ -847,7 +751,7 @@ static const struct tv_mode tv_modes[] = { { .name = "1080i@60Hz", .clock = 148800, - .refresh = 30000, + .refresh = 60000, .oversample = TV_OVERSAMPLE_2X, .component_only = 1, @@ -870,32 +774,6 @@ static const struct tv_mode tv_modes[] = { .filter_table = filter_table, }, - { - .name = "1080i@59.94Hz", - .clock = 148800, - .refresh = 29970, - .oversample = TV_OVERSAMPLE_2X, - .component_only = 1, - - .hsync_end = 88, .hblank_end = 235, - .hblank_start = 2155, .htotal = 2201, - - .progressive = false, .trilevel_sync = true, - - .vsync_start_f1 = 4, .vsync_start_f2 = 5, - .vsync_len = 10, - - .veq_ena = true, .veq_start_f1 = 4, - .veq_start_f2 = 4, .veq_len = 10, - - - .vi_end_f1 = 21, .vi_end_f2 = 22, - .nbr_end = 539, - - .burst_ena = false, - - .filter_table = filter_table, - }, }; static struct intel_tv *enc_to_intel_tv(struct drm_encoder *encoder) diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h index 1e382ad5a2b85b..a37c31e358aa40 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.h +++ b/drivers/gpu/drm/nouveau/nouveau_bios.h @@ -54,9 +54,10 @@ struct bit_entry { int bit_table(struct drm_device *, u8 id, struct bit_entry *); enum dcb_gpio_tag { - DCB_GPIO_TVDAC0 = 0xc, + DCB_GPIO_PANEL_POWER = 0x01, + DCB_GPIO_TVDAC0 = 0x0c, DCB_GPIO_TVDAC1 = 0x2d, - DCB_GPIO_PWM_FAN = 0x9, + DCB_GPIO_PWM_FAN = 0x09, DCB_GPIO_FAN_SENSE = 0x3d, DCB_GPIO_UNUSED = 0xff }; diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 724b41a2b9e941..ec54364ac828f1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -812,6 +812,10 @@ nouveau_bo_move_ntfy(struct ttm_buffer_object *bo, struct ttm_mem_reg *new_mem) struct nouveau_bo *nvbo = nouveau_bo(bo); struct nouveau_vma *vma; + /* ttm can now (stupidly) pass the driver bos it didn't create... */ + if (bo->destroy != nouveau_bo_del_ttm) + return; + list_for_each_entry(vma, &nvbo->vma_list, head) { if (new_mem && new_mem->mem_type == TTM_PL_VRAM) { nouveau_vm_map(vma, new_mem->mm_node); diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 3cb52bc52b2110..795a9e3c990a0c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -219,6 +219,16 @@ nouveau_display_init(struct drm_device *dev) if (ret) return ret; + /* power on internal panel if it's not already. the init tables of + * some vbios default this to off for some reason, causing the + * panel to not work after resume + */ + if (nouveau_gpio_func_get(dev, DCB_GPIO_PANEL_POWER) == 0) { + nouveau_gpio_func_set(dev, DCB_GPIO_PANEL_POWER, true); + msleep(300); + } + + /* enable polling for external displays */ drm_kms_helper_poll_enable(dev); /* enable hotplug interrupts */ diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c index e4a7cfe7898dc4..81d7962e7252cd 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.c +++ b/drivers/gpu/drm/nouveau/nouveau_drv.c @@ -124,7 +124,7 @@ MODULE_PARM_DESC(ctxfw, "Use external HUB/GPC ucode (fermi)\n"); int nouveau_ctxfw; module_param_named(ctxfw, nouveau_ctxfw, int, 0400); -MODULE_PARM_DESC(ctxfw, "Santise DCB table according to MXM-SIS\n"); +MODULE_PARM_DESC(mxmdcb, "Santise DCB table according to MXM-SIS\n"); int nouveau_mxmdcb = 1; module_param_named(mxmdcb, nouveau_mxmdcb, int, 0400); diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index 5f0bc57fdaab5e..7ce3fde4074312 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -380,6 +380,25 @@ retry: } static int +validate_sync(struct nouveau_channel *chan, struct nouveau_bo *nvbo) +{ + struct nouveau_fence *fence = NULL; + int ret = 0; + + spin_lock(&nvbo->bo.bdev->fence_lock); + if (nvbo->bo.sync_obj) + fence = nouveau_fence_ref(nvbo->bo.sync_obj); + spin_unlock(&nvbo->bo.bdev->fence_lock); + + if (fence) { + ret = nouveau_fence_sync(fence, chan); + nouveau_fence_unref(&fence); + } + + return ret; +} + +static int validate_list(struct nouveau_channel *chan, struct list_head *list, struct drm_nouveau_gem_pushbuf_bo *pbbo, uint64_t user_pbbo_ptr) { @@ -393,7 +412,7 @@ validate_list(struct nouveau_channel *chan, struct list_head *list, list_for_each_entry(nvbo, list, entry) { struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index]; - ret = nouveau_fence_sync(nvbo->bo.sync_obj, chan); + ret = validate_sync(chan, nvbo); if (unlikely(ret)) { NV_ERROR(dev, "fail pre-validate sync\n"); return ret; @@ -416,7 +435,7 @@ validate_list(struct nouveau_channel *chan, struct list_head *list, return ret; } - ret = nouveau_fence_sync(nvbo->bo.sync_obj, chan); + ret = validate_sync(chan, nvbo); if (unlikely(ret)) { NV_ERROR(dev, "fail post-validate sync\n"); return ret; diff --git a/drivers/gpu/drm/nouveau/nouveau_mxm.c b/drivers/gpu/drm/nouveau/nouveau_mxm.c index 8bccddf4eff001..e5a64f0f4cb745 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mxm.c +++ b/drivers/gpu/drm/nouveau/nouveau_mxm.c @@ -656,7 +656,16 @@ nouveau_mxm_init(struct drm_device *dev) if (mxm_shadow(dev, mxm[0])) { MXM_MSG(dev, "failed to locate valid SIS\n"); +#if 0 + /* we should, perhaps, fall back to some kind of limited + * mode here if the x86 vbios hasn't already done the + * work for us (so we prevent loading with completely + * whacked vbios tables). + */ return -EINVAL; +#else + return 0; +#endif } MXM_MSG(dev, "MXMS Version %d.%d\n", diff --git a/drivers/gpu/drm/nouveau/nv50_pm.c b/drivers/gpu/drm/nouveau/nv50_pm.c index 03937212e9d81c..ec5481dfcd82ed 100644 --- a/drivers/gpu/drm/nouveau/nv50_pm.c +++ b/drivers/gpu/drm/nouveau/nv50_pm.c @@ -495,9 +495,9 @@ nv50_pm_clocks_pre(struct drm_device *dev, struct nouveau_pm_level *perflvl) struct drm_nouveau_private *dev_priv = dev->dev_private; struct nv50_pm_state *info; struct pll_lims pll; - int ret = -EINVAL; + int clk, ret = -EINVAL; int N, M, P1, P2; - u32 clk, out; + u32 out; if (dev_priv->chipset == 0xaa || dev_priv->chipset == 0xac) diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 0fda830ef806eb..742f17f009a966 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -355,15 +355,12 @@ static void atombios_crtc_set_timing(struct drm_crtc *crtc, atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); } -static void atombios_disable_ss(struct drm_crtc *crtc) +static void atombios_disable_ss(struct radeon_device *rdev, int pll_id) { - struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); - struct drm_device *dev = crtc->dev; - struct radeon_device *rdev = dev->dev_private; u32 ss_cntl; if (ASIC_IS_DCE4(rdev)) { - switch (radeon_crtc->pll_id) { + switch (pll_id) { case ATOM_PPLL1: ss_cntl = RREG32(EVERGREEN_P1PLL_SS_CNTL); ss_cntl &= ~EVERGREEN_PxPLL_SS_EN; @@ -379,7 +376,7 @@ static void atombios_disable_ss(struct drm_crtc *crtc) return; } } else if (ASIC_IS_AVIVO(rdev)) { - switch (radeon_crtc->pll_id) { + switch (pll_id) { case ATOM_PPLL1: ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL); ss_cntl &= ~1; @@ -406,13 +403,11 @@ union atom_enable_ss { ENABLE_SPREAD_SPECTRUM_ON_PPLL_V3 v3; }; -static void atombios_crtc_program_ss(struct drm_crtc *crtc, +static void atombios_crtc_program_ss(struct radeon_device *rdev, int enable, int pll_id, struct radeon_atom_ss *ss) { - struct drm_device *dev = crtc->dev; - struct radeon_device *rdev = dev->dev_private; int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL); union atom_enable_ss args; @@ -479,7 +474,7 @@ static void atombios_crtc_program_ss(struct drm_crtc *crtc, } else if (ASIC_IS_AVIVO(rdev)) { if ((enable == ATOM_DISABLE) || (ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK)) { - atombios_disable_ss(crtc); + atombios_disable_ss(rdev, pll_id); return; } args.lvds_ss_2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); @@ -491,7 +486,7 @@ static void atombios_crtc_program_ss(struct drm_crtc *crtc, } else { if ((enable == ATOM_DISABLE) || (ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK)) { - atombios_disable_ss(crtc); + atombios_disable_ss(rdev, pll_id); return; } args.lvds_ss.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); @@ -523,6 +518,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, int encoder_mode = 0; u32 dp_clock = mode->clock; int bpc = 8; + bool is_duallink = false; /* reset the pll flags */ pll->flags = 0; @@ -557,6 +553,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, if (connector && connector->display_info.bpc) bpc = connector->display_info.bpc; encoder_mode = atombios_get_encoder_mode(encoder); + is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock); if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) || (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) { if (connector) { @@ -652,7 +649,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, if (dig->coherent_mode) args.v3.sInput.ucDispPllConfig |= DISPPLL_CONFIG_COHERENT_MODE; - if (mode->clock > 165000) + if (is_duallink) args.v3.sInput.ucDispPllConfig |= DISPPLL_CONFIG_DUAL_LINK; } @@ -702,11 +699,9 @@ union set_pixel_clock { /* on DCE5, make sure the voltage is high enough to support the * required disp clk. */ -static void atombios_crtc_set_dcpll(struct drm_crtc *crtc, +static void atombios_crtc_set_dcpll(struct radeon_device *rdev, u32 dispclk) { - struct drm_device *dev = crtc->dev; - struct radeon_device *rdev = dev->dev_private; u8 frev, crev; int index; union set_pixel_clock args; @@ -996,7 +991,7 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode radeon_compute_pll_legacy(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div, &ref_div, &post_div); - atombios_crtc_program_ss(crtc, ATOM_DISABLE, radeon_crtc->pll_id, &ss); + atombios_crtc_program_ss(rdev, ATOM_DISABLE, radeon_crtc->pll_id, &ss); atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, encoder_mode, radeon_encoder->encoder_id, mode->clock, @@ -1019,7 +1014,7 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode ss.step = step_size; } - atombios_crtc_program_ss(crtc, ATOM_ENABLE, radeon_crtc->pll_id, &ss); + atombios_crtc_program_ss(rdev, ATOM_ENABLE, radeon_crtc->pll_id, &ss); } } @@ -1189,7 +1184,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1); WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, - crtc->mode.vdisplay); + target_fb->height); x &= ~3; y &= ~1; WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset, @@ -1358,7 +1353,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc, WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1); WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, - crtc->mode.vdisplay); + target_fb->height); x &= ~3; y &= ~1; WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset, @@ -1494,6 +1489,24 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc) } +void radeon_atom_dcpll_init(struct radeon_device *rdev) +{ + /* always set DCPLL */ + if (ASIC_IS_DCE4(rdev)) { + struct radeon_atom_ss ss; + bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss, + ASIC_INTERNAL_SS_ON_DCPLL, + rdev->clock.default_dispclk); + if (ss_enabled) + atombios_crtc_program_ss(rdev, ATOM_DISABLE, ATOM_DCPLL, &ss); + /* XXX: DCE5, make sure voltage, dispclk is high enough */ + atombios_crtc_set_dcpll(rdev, rdev->clock.default_dispclk); + if (ss_enabled) + atombios_crtc_program_ss(rdev, ATOM_ENABLE, ATOM_DCPLL, &ss); + } + +} + int atombios_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode, @@ -1515,19 +1528,6 @@ int atombios_crtc_mode_set(struct drm_crtc *crtc, } } - /* always set DCPLL */ - if (ASIC_IS_DCE4(rdev)) { - struct radeon_atom_ss ss; - bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss, - ASIC_INTERNAL_SS_ON_DCPLL, - rdev->clock.default_dispclk); - if (ss_enabled) - atombios_crtc_program_ss(crtc, ATOM_DISABLE, ATOM_DCPLL, &ss); - /* XXX: DCE5, make sure voltage, dispclk is high enough */ - atombios_crtc_set_dcpll(crtc, rdev->clock.default_dispclk); - if (ss_enabled) - atombios_crtc_program_ss(crtc, ATOM_ENABLE, ATOM_DCPLL, &ss); - } atombios_crtc_set_pll(crtc, adjusted_mode); if (ASIC_IS_DCE4(rdev)) diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 6fb335a4fddafe..552b436451fd49 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -549,8 +549,8 @@ bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector) return false; } -static void radeon_dp_set_panel_mode(struct drm_encoder *encoder, - struct drm_connector *connector) +int radeon_dp_get_panel_mode(struct drm_encoder *encoder, + struct drm_connector *connector) { struct drm_device *dev = encoder->dev; struct radeon_device *rdev = dev->dev_private; @@ -558,28 +558,33 @@ static void radeon_dp_set_panel_mode(struct drm_encoder *encoder, int panel_mode = DP_PANEL_MODE_EXTERNAL_DP_MODE; if (!ASIC_IS_DCE4(rdev)) - return; + return panel_mode; if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) == ENCODER_OBJECT_ID_NUTMEG) panel_mode = DP_PANEL_MODE_INTERNAL_DP1_MODE; else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) == - ENCODER_OBJECT_ID_TRAVIS) - panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE; - else if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { + ENCODER_OBJECT_ID_TRAVIS) { + u8 id[6]; + int i; + for (i = 0; i < 6; i++) + id[i] = radeon_read_dpcd_reg(radeon_connector, 0x503 + i); + if (id[0] == 0x73 && + id[1] == 0x69 && + id[2] == 0x76 && + id[3] == 0x61 && + id[4] == 0x72 && + id[5] == 0x54) + panel_mode = DP_PANEL_MODE_INTERNAL_DP1_MODE; + else + panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE; + } else if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) { u8 tmp = radeon_read_dpcd_reg(radeon_connector, DP_EDP_CONFIGURATION_CAP); if (tmp & 1) panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE; } - atombios_dig_encoder_setup(encoder, - ATOM_ENCODER_CMD_SETUP_PANEL_MODE, - panel_mode); - - if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) && - (panel_mode == DP_PANEL_MODE_INTERNAL_DP2_MODE)) { - radeon_write_dpcd_reg(radeon_connector, DP_EDP_CONFIGURATION_SET, 1); - } + return panel_mode; } void radeon_dp_set_link_config(struct drm_connector *connector, @@ -717,6 +722,8 @@ static void radeon_dp_set_tp(struct radeon_dp_link_train_info *dp_info, int tp) static int radeon_dp_link_train_init(struct radeon_dp_link_train_info *dp_info) { + struct radeon_encoder *radeon_encoder = to_radeon_encoder(dp_info->encoder); + struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; u8 tmp; /* power up the sink */ @@ -732,7 +739,10 @@ static int radeon_dp_link_train_init(struct radeon_dp_link_train_info *dp_info) radeon_write_dpcd_reg(dp_info->radeon_connector, DP_DOWNSPREAD_CTRL, 0); - radeon_dp_set_panel_mode(dp_info->encoder, dp_info->connector); + if ((dp_info->connector->connector_type == DRM_MODE_CONNECTOR_eDP) && + (dig->panel_mode == DP_PANEL_MODE_INTERNAL_DP2_MODE)) { + radeon_write_dpcd_reg(dp_info->radeon_connector, DP_EDP_CONFIGURATION_SET, 1); + } /* set the lane count on the sink */ tmp = dp_info->dp_lane_count; diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index f1f06ca9f1f533..b88c4608731bec 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -57,22 +57,6 @@ static inline bool radeon_encoder_is_digital(struct drm_encoder *encoder) } } -static struct drm_connector * -radeon_get_connector_for_encoder_init(struct drm_encoder *encoder) -{ - struct drm_device *dev = encoder->dev; - struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); - struct drm_connector *connector; - struct radeon_connector *radeon_connector; - - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - radeon_connector = to_radeon_connector(connector); - if (radeon_encoder->devices & radeon_connector->devices) - return connector; - } - return NULL; -} - static bool radeon_atom_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) @@ -253,7 +237,7 @@ atombios_dvo_setup(struct drm_encoder *encoder, int action) /* R4xx, R5xx */ args.ext_tmds.sXTmdsEncoder.ucEnable = action; - if (radeon_encoder->pixel_clock > 165000) + if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.ext_tmds.sXTmdsEncoder.ucMisc |= PANEL_ENCODER_MISC_DUAL; args.ext_tmds.sXTmdsEncoder.ucMisc |= ATOM_PANEL_MISC_888RGB; @@ -265,7 +249,7 @@ atombios_dvo_setup(struct drm_encoder *encoder, int action) /* DFP1, CRT1, TV1 depending on the type of port */ args.dvo.sDVOEncoder.ucDeviceType = ATOM_DEVICE_DFP1_INDEX; - if (radeon_encoder->pixel_clock > 165000) + if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.dvo.sDVOEncoder.usDevAttr.sDigAttrib.ucAttribute |= PANEL_ENCODER_MISC_DUAL; break; case 3: @@ -349,7 +333,7 @@ atombios_digital_setup(struct drm_encoder *encoder, int action) } else { if (dig->linkb) args.v1.ucMisc |= PANEL_ENCODER_MISC_TMDS_LINKB; - if (radeon_encoder->pixel_clock > 165000) + if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v1.ucMisc |= PANEL_ENCODER_MISC_DUAL; /*if (pScrn->rgbBits == 8) */ args.v1.ucMisc |= ATOM_PANEL_MISC_888RGB; @@ -388,7 +372,7 @@ atombios_digital_setup(struct drm_encoder *encoder, int action) } else { if (dig->linkb) args.v2.ucMisc |= PANEL_ENCODER_MISC_TMDS_LINKB; - if (radeon_encoder->pixel_clock > 165000) + if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v2.ucMisc |= PANEL_ENCODER_MISC_DUAL; } break; @@ -432,7 +416,7 @@ atombios_get_encoder_mode(struct drm_encoder *encoder) switch (connector->connector_type) { case DRM_MODE_CONNECTOR_DVII: case DRM_MODE_CONNECTOR_HDMIB: /* HDMI-B is basically DL-DVI; analog works fine */ - if (drm_detect_monitor_audio(radeon_connector->edid) && + if (drm_detect_hdmi_monitor(radeon_connector->edid) && radeon_audio) return ATOM_ENCODER_MODE_HDMI; else if (radeon_connector->use_digital) @@ -443,7 +427,7 @@ atombios_get_encoder_mode(struct drm_encoder *encoder) case DRM_MODE_CONNECTOR_DVID: case DRM_MODE_CONNECTOR_HDMIA: default: - if (drm_detect_monitor_audio(radeon_connector->edid) && + if (drm_detect_hdmi_monitor(radeon_connector->edid) && radeon_audio) return ATOM_ENCODER_MODE_HDMI; else @@ -457,7 +441,7 @@ atombios_get_encoder_mode(struct drm_encoder *encoder) if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) return ATOM_ENCODER_MODE_DP; - else if (drm_detect_monitor_audio(radeon_connector->edid) && + else if (drm_detect_hdmi_monitor(radeon_connector->edid) && radeon_audio) return ATOM_ENCODER_MODE_HDMI; else @@ -587,7 +571,7 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mo if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode)) args.v1.ucLaneNum = dp_lane_count; - else if (radeon_encoder->pixel_clock > 165000) + else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v1.ucLaneNum = 8; else args.v1.ucLaneNum = 4; @@ -622,7 +606,7 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mo if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode)) args.v3.ucLaneNum = dp_lane_count; - else if (radeon_encoder->pixel_clock > 165000) + else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v3.ucLaneNum = 8; else args.v3.ucLaneNum = 4; @@ -662,7 +646,7 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mo if (ENCODER_MODE_IS_DP(args.v1.ucEncoderMode)) args.v4.ucLaneNum = dp_lane_count; - else if (radeon_encoder->pixel_clock > 165000) + else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v4.ucLaneNum = 8; else args.v4.ucLaneNum = 4; @@ -806,7 +790,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t if (is_dp) args.v1.usPixelClock = cpu_to_le16(dp_clock / 10); - else if (radeon_encoder->pixel_clock > 165000) + else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v1.usPixelClock = cpu_to_le16((radeon_encoder->pixel_clock / 2) / 10); else args.v1.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10); @@ -821,7 +805,8 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t if ((rdev->flags & RADEON_IS_IGP) && (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY)) { - if (is_dp || (radeon_encoder->pixel_clock <= 165000)) { + if (is_dp || + !radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) { if (igp_lane_info & 0x1) args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_0_3; else if (igp_lane_info & 0x2) @@ -848,7 +833,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) { if (dig->coherent_mode) args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_COHERENT; - if (radeon_encoder->pixel_clock > 165000) + if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_8LANE_LINK; } break; @@ -863,7 +848,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t if (is_dp) args.v2.usPixelClock = cpu_to_le16(dp_clock / 10); - else if (radeon_encoder->pixel_clock > 165000) + else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v2.usPixelClock = cpu_to_le16((radeon_encoder->pixel_clock / 2) / 10); else args.v2.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10); @@ -891,7 +876,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t } else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) { if (dig->coherent_mode) args.v2.acConfig.fCoherentMode = 1; - if (radeon_encoder->pixel_clock > 165000) + if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v2.acConfig.fDualLinkConnector = 1; } break; @@ -906,7 +891,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t if (is_dp) args.v3.usPixelClock = cpu_to_le16(dp_clock / 10); - else if (radeon_encoder->pixel_clock > 165000) + else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v3.usPixelClock = cpu_to_le16((radeon_encoder->pixel_clock / 2) / 10); else args.v3.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10); @@ -914,7 +899,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t if (is_dp) args.v3.ucLaneNum = dp_lane_count; - else if (radeon_encoder->pixel_clock > 165000) + else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v3.ucLaneNum = 8; else args.v3.ucLaneNum = 4; @@ -951,7 +936,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) { if (dig->coherent_mode) args.v3.acConfig.fCoherentMode = 1; - if (radeon_encoder->pixel_clock > 165000) + if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v3.acConfig.fDualLinkConnector = 1; } break; @@ -966,7 +951,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t if (is_dp) args.v4.usPixelClock = cpu_to_le16(dp_clock / 10); - else if (radeon_encoder->pixel_clock > 165000) + else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v4.usPixelClock = cpu_to_le16((radeon_encoder->pixel_clock / 2) / 10); else args.v4.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10); @@ -974,7 +959,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t if (is_dp) args.v4.ucLaneNum = dp_lane_count; - else if (radeon_encoder->pixel_clock > 165000) + else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v4.ucLaneNum = 8; else args.v4.ucLaneNum = 4; @@ -1014,7 +999,7 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) { if (dig->coherent_mode) args.v4.acConfig.fCoherentMode = 1; - if (radeon_encoder->pixel_clock > 165000) + if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v4.acConfig.fDualLinkConnector = 1; } break; @@ -1137,7 +1122,7 @@ atombios_external_encoder_setup(struct drm_encoder *encoder, if (dp_clock == 270000) args.v1.sDigEncoder.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ; args.v1.sDigEncoder.ucLaneNum = dp_lane_count; - } else if (radeon_encoder->pixel_clock > 165000) + } else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v1.sDigEncoder.ucLaneNum = 8; else args.v1.sDigEncoder.ucLaneNum = 4; @@ -1156,7 +1141,7 @@ atombios_external_encoder_setup(struct drm_encoder *encoder, else if (dp_clock == 540000) args.v3.sExtEncoder.ucConfig |= EXTERNAL_ENCODER_CONFIG_V3_DPLINKRATE_5_40GHZ; args.v3.sExtEncoder.ucLaneNum = dp_lane_count; - } else if (radeon_encoder->pixel_clock > 165000) + } else if (radeon_dig_monitor_is_duallink(encoder, radeon_encoder->pixel_clock)) args.v3.sExtEncoder.ucLaneNum = 8; else args.v3.sExtEncoder.ucLaneNum = 4; @@ -1341,7 +1326,8 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode) switch (mode) { case DRM_MODE_DPMS_ON: /* some early dce3.2 boards have a bug in their transmitter control table */ - if ((rdev->family == CHIP_RV710) || (rdev->family == CHIP_RV730)) + if ((rdev->family == CHIP_RV710) || (rdev->family == CHIP_RV730) || + ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0); else atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0); @@ -1351,8 +1337,6 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode) ATOM_TRANSMITTER_ACTION_POWER_ON); radeon_dig_connector->edp_on = true; } - if (ASIC_IS_DCE4(rdev)) - atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0); radeon_dp_link_train(encoder, connector); if (ASIC_IS_DCE4(rdev)) atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0); @@ -1363,7 +1347,10 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode) case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: - atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0); + if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) + atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0); + else + atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0); if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) { if (ASIC_IS_DCE4(rdev)) atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF, 0); @@ -1810,7 +1797,21 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder, case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1: case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2: case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA: - if (ASIC_IS_DCE4(rdev)) { + if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) { + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); + struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + + if (!connector) + dig->panel_mode = DP_PANEL_MODE_EXTERNAL_DP_MODE; + else + dig->panel_mode = radeon_dp_get_panel_mode(encoder, connector); + + /* setup and enable the encoder */ + atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP, 0); + atombios_dig_encoder_setup(encoder, + ATOM_ENCODER_CMD_SETUP_PANEL_MODE, + dig->panel_mode); + } else if (ASIC_IS_DCE4(rdev)) { /* disable the transmitter */ atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0); /* setup and enable the encoder */ diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 636660fca8c246..9be353b894cc56 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1455,6 +1455,7 @@ int evergreen_cp_resume(struct radeon_device *rdev) #endif WREG32(CP_RB_CNTL, tmp); WREG32(CP_SEM_WAIT_TIMER, 0x0); + WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0); /* Set the write pointer delay */ WREG32(CP_RB_WPTR_DELAY, 0); @@ -3190,6 +3191,7 @@ static int evergreen_startup(struct radeon_device *rdev) if (r) { DRM_ERROR("radeon: failed testing IB (%d).\n", r); rdev->accel_working = false; + return r; } r = r600_audio_init(rdev); diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index b502216d42afdc..74713d42df296d 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -108,6 +108,7 @@ #define CP_RB_WPTR_ADDR_HI 0xC11C #define CP_RB_WPTR_DELAY 0x8704 #define CP_SEM_WAIT_TIMER 0x85BC +#define CP_SEM_INCOMPLETE_TIMER_CNTL 0x85C8 #define CP_DEBUG 0xC1FC diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 32113729540069..db09065e68fd60 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1219,6 +1219,7 @@ int cayman_cp_resume(struct radeon_device *rdev) RREG32(GRBM_SOFT_RESET); WREG32(CP_SEM_WAIT_TIMER, 0x0); + WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0); /* Set the write pointer delay */ WREG32(CP_RB_WPTR_DELAY, 0); diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h index f9df2a645e79ca..9a7f3b6e02de38 100644 --- a/drivers/gpu/drm/radeon/nid.h +++ b/drivers/gpu/drm/radeon/nid.h @@ -222,6 +222,7 @@ #define SCRATCH_UMSK 0x8540 #define SCRATCH_ADDR 0x8544 #define CP_SEM_WAIT_TIMER 0x85BC +#define CP_SEM_INCOMPLETE_TIMER_CNTL 0x85C8 #define CP_COHER_CNTL2 0x85E8 #define CP_ME_CNTL 0x86D8 #define CP_ME_HALT (1 << 28) diff --git a/drivers/gpu/drm/radeon/r600_blit_kms.c b/drivers/gpu/drm/radeon/r600_blit_kms.c index d996f43811302f..accc032c103fd3 100644 --- a/drivers/gpu/drm/radeon/r600_blit_kms.c +++ b/drivers/gpu/drm/radeon/r600_blit_kms.c @@ -468,27 +468,42 @@ set_default_state(struct radeon_device *rdev) radeon_ring_write(ring, sq_stack_resource_mgmt_2); } +#define I2F_MAX_BITS 15 +#define I2F_MAX_INPUT ((1 << I2F_MAX_BITS) - 1) +#define I2F_SHIFT (24 - I2F_MAX_BITS) + +/* + * Converts unsigned integer into 32-bit IEEE floating point representation. + * Conversion is not universal and only works for the range from 0 + * to 2^I2F_MAX_BITS-1. Currently we only use it with inputs between + * 0 and 16384 (inclusive), so I2F_MAX_BITS=15 is enough. If necessary, + * I2F_MAX_BITS can be increased, but that will add to the loop iterations + * and slow us down. Conversion is done by shifting the input and counting + * down until the first 1 reaches bit position 23. The resulting counter + * and the shifted input are, respectively, the exponent and the fraction. + * The sign is always zero. + */ static uint32_t i2f(uint32_t input) { u32 result, i, exponent, fraction; - if ((input & 0x3fff) == 0) - result = 0; /* 0 is a special case */ + WARN_ON_ONCE(input > I2F_MAX_INPUT); + + if ((input & I2F_MAX_INPUT) == 0) + result = 0; else { - exponent = 140; /* exponent biased by 127; */ - fraction = (input & 0x3fff) << 10; /* cheat and only - handle numbers below 2^^15 */ - for (i = 0; i < 14; i++) { + exponent = 126 + I2F_MAX_BITS; + fraction = (input & I2F_MAX_INPUT) << I2F_SHIFT; + + for (i = 0; i < I2F_MAX_BITS; i++) { if (fraction & 0x800000) break; else { - fraction = fraction << 1; /* keep - shifting left until top bit = 1 */ + fraction = fraction << 1; exponent = exponent - 1; } } - result = exponent << 23 | (fraction & 0x7fffff); /* mask - off top bit; assumed 1 */ + result = exponent << 23 | (fraction & 0x7fffff); } return result; } diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 73e05cb85eca03..1668ec1ee77047 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -157,6 +157,47 @@ bool radeon_get_bios(struct radeon_device *rdev); /* + * Mutex which allows recursive locking from the same process. + */ +struct radeon_mutex { + struct mutex mutex; + struct task_struct *owner; + int level; +}; + +static inline void radeon_mutex_init(struct radeon_mutex *mutex) +{ + mutex_init(&mutex->mutex); + mutex->owner = NULL; + mutex->level = 0; +} + +static inline void radeon_mutex_lock(struct radeon_mutex *mutex) +{ + if (mutex_trylock(&mutex->mutex)) { + /* The mutex was unlocked before, so it's ours now */ + mutex->owner = current; + } else if (mutex->owner != current) { + /* Another process locked the mutex, take it */ + mutex_lock(&mutex->mutex); + mutex->owner = current; + } + /* Otherwise the mutex was already locked by this process */ + + mutex->level++; +} + +static inline void radeon_mutex_unlock(struct radeon_mutex *mutex) +{ + if (--mutex->level > 0) + return; + + mutex->owner = NULL; + mutex_unlock(&mutex->mutex); +} + + +/* * Dummy page */ struct radeon_dummy_page { @@ -598,7 +639,7 @@ struct radeon_ib { * mutex protects scheduled_ibs, ready, alloc_bm */ struct radeon_ib_pool { - struct mutex mutex; + struct radeon_mutex mutex; struct radeon_sa_manager sa_manager; struct radeon_ib ibs[RADEON_IB_POOL_SIZE]; bool ready; @@ -1355,47 +1396,6 @@ struct r600_vram_scratch { /* - * Mutex which allows recursive locking from the same process. - */ -struct radeon_mutex { - struct mutex mutex; - struct task_struct *owner; - int level; -}; - -static inline void radeon_mutex_init(struct radeon_mutex *mutex) -{ - mutex_init(&mutex->mutex); - mutex->owner = NULL; - mutex->level = 0; -} - -static inline void radeon_mutex_lock(struct radeon_mutex *mutex) -{ - if (mutex_trylock(&mutex->mutex)) { - /* The mutex was unlocked before, so it's ours now */ - mutex->owner = current; - } else if (mutex->owner != current) { - /* Another process locked the mutex, take it */ - mutex_lock(&mutex->mutex); - mutex->owner = current; - } - /* Otherwise the mutex was already locked by this process */ - - mutex->level++; -} - -static inline void radeon_mutex_unlock(struct radeon_mutex *mutex) -{ - if (--mutex->level > 0) - return; - - mutex->owner = NULL; - mutex_unlock(&mutex->mutex); -} - - -/* * Core structure, functions and helpers. */ typedef uint32_t (*radeon_rreg_t)(struct radeon_device*, uint32_t); diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c index 9d95792bea3eab..98724fcb00885e 100644 --- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c +++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c @@ -58,7 +58,8 @@ static int radeon_atrm_call(acpi_handle atrm_handle, uint8_t *bios, } obj = (union acpi_object *)buffer.pointer; - memcpy(bios+offset, obj->buffer.pointer, len); + memcpy(bios+offset, obj->buffer.pointer, obj->buffer.length); + len = obj->buffer.length; kfree(buffer.pointer); return len; } diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c index 229a20f10e2b0c..501f4881e5aab4 100644 --- a/drivers/gpu/drm/radeon/radeon_bios.c +++ b/drivers/gpu/drm/radeon/radeon_bios.c @@ -120,7 +120,7 @@ static bool radeon_atrm_get_bios(struct radeon_device *rdev) ret = radeon_atrm_get_bios_chunk(rdev->bios, (i * ATRM_BIOS_PAGE), ATRM_BIOS_PAGE); - if (ret <= 0) + if (ret < ATRM_BIOS_PAGE) break; } diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 0afb13bd8dcad4..49f7cb7e226b89 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -720,7 +720,7 @@ int radeon_device_init(struct radeon_device *rdev, /* mutex initialization are all done here so we * can recall function without having locking issues */ radeon_mutex_init(&rdev->cs_mutex); - mutex_init(&rdev->ib_pool.mutex); + radeon_mutex_init(&rdev->ib_pool.mutex); for (i = 0; i < RADEON_NUM_RINGS; ++i) mutex_init(&rdev->ring[i].mutex); mutex_init(&rdev->dc_hw_i2c_mutex); @@ -883,6 +883,8 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state) if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) return 0; + drm_kms_helper_poll_disable(dev); + /* turn off display hw */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); @@ -959,9 +961,11 @@ int radeon_resume_kms(struct drm_device *dev) radeon_fbdev_set_suspend(rdev, 0); console_unlock(); - /* init dig PHYs */ - if (rdev->is_atom_bios) + /* init dig PHYs, disp eng pll */ + if (rdev->is_atom_bios) { radeon_atom_encoder_init(rdev); + radeon_atom_dcpll_init(rdev); + } /* reset hpd state */ radeon_hpd_init(rdev); /* blat the mode back in */ @@ -970,6 +974,8 @@ int radeon_resume_kms(struct drm_device *dev) list_for_each_entry(connector, &dev->mode_config.connector_list, head) { drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); } + + drm_kms_helper_poll_enable(dev); return 0; } diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index d3ffc18774a611..8c49fef1ce78d0 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -1305,9 +1305,11 @@ int radeon_modeset_init(struct radeon_device *rdev) return ret; } - /* init dig PHYs */ - if (rdev->is_atom_bios) + /* init dig PHYs, disp eng pll */ + if (rdev->is_atom_bios) { radeon_atom_encoder_init(rdev); + radeon_atom_dcpll_init(rdev); + } /* initialize hpd */ radeon_hpd_init(rdev); diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index 4b27efa4405b94..9419c51bcf50f0 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -202,6 +202,22 @@ radeon_get_connector_for_encoder(struct drm_encoder *encoder) return NULL; } +struct drm_connector * +radeon_get_connector_for_encoder_init(struct drm_encoder *encoder) +{ + struct drm_device *dev = encoder->dev; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); + struct drm_connector *connector; + struct radeon_connector *radeon_connector; + + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + radeon_connector = to_radeon_connector(connector); + if (radeon_encoder->devices & radeon_connector->devices) + return connector; + } + return NULL; +} + struct drm_encoder *radeon_get_external_encoder(struct drm_encoder *encoder) { struct drm_device *dev = encoder->dev; @@ -288,3 +304,64 @@ void radeon_panel_mode_fixup(struct drm_encoder *encoder, } +bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, + u32 pixel_clock) +{ + struct drm_device *dev = encoder->dev; + struct radeon_device *rdev = dev->dev_private; + struct drm_connector *connector; + struct radeon_connector *radeon_connector; + struct radeon_connector_atom_dig *dig_connector; + + connector = radeon_get_connector_for_encoder(encoder); + /* if we don't have an active device yet, just use one of + * the connectors tied to the encoder. + */ + if (!connector) + connector = radeon_get_connector_for_encoder_init(encoder); + radeon_connector = to_radeon_connector(connector); + + switch (connector->connector_type) { + case DRM_MODE_CONNECTOR_DVII: + case DRM_MODE_CONNECTOR_HDMIB: + if (radeon_connector->use_digital) { + /* HDMI 1.3 supports up to 340 Mhz over single link */ + if (ASIC_IS_DCE3(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { + if (pixel_clock > 340000) + return true; + else + return false; + } else { + if (pixel_clock > 165000) + return true; + else + return false; + } + } else + return false; + case DRM_MODE_CONNECTOR_DVID: + case DRM_MODE_CONNECTOR_HDMIA: + case DRM_MODE_CONNECTOR_DisplayPort: + dig_connector = radeon_connector->con_priv; + if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) || + (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP)) + return false; + else { + /* HDMI 1.3 supports up to 340 Mhz over single link */ + if (ASIC_IS_DCE3(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { + if (pixel_clock > 340000) + return true; + else + return false; + } else { + if (pixel_clock > 165000) + return true; + else + return false; + } + } + default: + return false; + } +} + diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c index 7bb1b079f4806f..98a8ad680109ef 100644 --- a/drivers/gpu/drm/radeon/radeon_i2c.c +++ b/drivers/gpu/drm/radeon/radeon_i2c.c @@ -897,6 +897,7 @@ struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev, i2c->rec = *rec; i2c->adapter.owner = THIS_MODULE; i2c->adapter.class = I2C_CLASS_DDC; + i2c->adapter.dev.parent = &dev->pdev->dev; i2c->dev = dev; i2c_set_adapdata(&i2c->adapter, i2c); if (rec->mm_i2c || @@ -957,6 +958,7 @@ struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev, i2c->rec = *rec; i2c->adapter.owner = THIS_MODULE; i2c->adapter.class = I2C_CLASS_DDC; + i2c->adapter.dev.parent = &dev->pdev->dev; i2c->dev = dev; snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), "Radeon aux bus %s", name); diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index be38921bf761a5..66d5fe1c81747c 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -138,6 +138,12 @@ static bool radeon_msi_ok(struct radeon_device *rdev) /* Dell RS690 only seems to work with MSIs. */ if ((rdev->pdev->device == 0x791f) && (rdev->pdev->subsystem_vendor == 0x1028) && + (rdev->pdev->subsystem_device == 0x01fc)) + return true; + + /* Dell RS690 only seems to work with MSIs. */ + if ((rdev->pdev->device == 0x791f) && + (rdev->pdev->subsystem_vendor == 0x1028) && (rdev->pdev->subsystem_device == 0x01fd)) return true; diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index 08ff857c8fd660..4330e3253573ff 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -362,6 +362,7 @@ struct radeon_encoder_atom_dig { struct backlight_device *bl_dev; int dpms_mode; uint8_t backlight_level; + int panel_mode; }; struct radeon_encoder_atom_dac { @@ -466,6 +467,10 @@ radeon_atombios_get_tv_info(struct radeon_device *rdev); extern struct drm_connector * radeon_get_connector_for_encoder(struct drm_encoder *encoder); +extern struct drm_connector * +radeon_get_connector_for_encoder_init(struct drm_encoder *encoder); +extern bool radeon_dig_monitor_is_duallink(struct drm_encoder *encoder, + u32 pixel_clock); extern u16 radeon_encoder_get_dp_bridge_encoder_id(struct drm_encoder *encoder); extern u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector); @@ -482,8 +487,11 @@ extern void radeon_dp_link_train(struct drm_encoder *encoder, extern bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector); extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector); extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector); +extern int radeon_dp_get_panel_mode(struct drm_encoder *encoder, + struct drm_connector *connector); extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action, int panel_mode); extern void radeon_atom_encoder_init(struct radeon_device *rdev); +extern void radeon_atom_dcpll_init(struct radeon_device *rdev); extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t lane_num, uint8_t lane_set); diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index e8bc70933d1b34..30a4c5014c8b3f 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -109,12 +109,12 @@ int radeon_ib_get(struct radeon_device *rdev, int ring, return r; } - mutex_lock(&rdev->ib_pool.mutex); + radeon_mutex_lock(&rdev->ib_pool.mutex); idx = rdev->ib_pool.head_id; retry: if (cretry > 5) { dev_err(rdev->dev, "failed to get an ib after 5 retry\n"); - mutex_unlock(&rdev->ib_pool.mutex); + radeon_mutex_unlock(&rdev->ib_pool.mutex); radeon_fence_unref(&fence); return -ENOMEM; } @@ -139,7 +139,7 @@ retry: */ rdev->ib_pool.head_id = (1 + idx); rdev->ib_pool.head_id &= (RADEON_IB_POOL_SIZE - 1); - mutex_unlock(&rdev->ib_pool.mutex); + radeon_mutex_unlock(&rdev->ib_pool.mutex); return 0; } } @@ -158,7 +158,7 @@ retry: } idx = (idx + 1) & (RADEON_IB_POOL_SIZE - 1); } - mutex_unlock(&rdev->ib_pool.mutex); + radeon_mutex_unlock(&rdev->ib_pool.mutex); radeon_fence_unref(&fence); return r; } @@ -171,12 +171,12 @@ void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib **ib) if (tmp == NULL) { return; } - mutex_lock(&rdev->ib_pool.mutex); + radeon_mutex_lock(&rdev->ib_pool.mutex); if (tmp->fence && !tmp->fence->emitted) { radeon_sa_bo_free(rdev, &tmp->sa_bo); radeon_fence_unref(&tmp->fence); } - mutex_unlock(&rdev->ib_pool.mutex); + radeon_mutex_unlock(&rdev->ib_pool.mutex); } int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib) @@ -204,22 +204,25 @@ int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib) int radeon_ib_pool_init(struct radeon_device *rdev) { + struct radeon_sa_manager tmp; int i, r; - mutex_lock(&rdev->ib_pool.mutex); - if (rdev->ib_pool.ready) { - mutex_unlock(&rdev->ib_pool.mutex); - return 0; - } - - r = radeon_sa_bo_manager_init(rdev, &rdev->ib_pool.sa_manager, + r = radeon_sa_bo_manager_init(rdev, &tmp, RADEON_IB_POOL_SIZE*64*1024, RADEON_GEM_DOMAIN_GTT); if (r) { - mutex_unlock(&rdev->ib_pool.mutex); return r; } + radeon_mutex_lock(&rdev->ib_pool.mutex); + if (rdev->ib_pool.ready) { + radeon_mutex_unlock(&rdev->ib_pool.mutex); + radeon_sa_bo_manager_fini(rdev, &tmp); + return 0; + } + + rdev->ib_pool.sa_manager = tmp; + INIT_LIST_HEAD(&rdev->ib_pool.sa_manager.sa_bo); for (i = 0; i < RADEON_IB_POOL_SIZE; i++) { rdev->ib_pool.ibs[i].fence = NULL; rdev->ib_pool.ibs[i].idx = i; @@ -236,7 +239,7 @@ int radeon_ib_pool_init(struct radeon_device *rdev) if (radeon_debugfs_ring_init(rdev)) { DRM_ERROR("Failed to register debugfs file for rings !\n"); } - mutex_unlock(&rdev->ib_pool.mutex); + radeon_mutex_unlock(&rdev->ib_pool.mutex); return 0; } @@ -244,7 +247,7 @@ void radeon_ib_pool_fini(struct radeon_device *rdev) { unsigned i; - mutex_lock(&rdev->ib_pool.mutex); + radeon_mutex_lock(&rdev->ib_pool.mutex); if (rdev->ib_pool.ready) { for (i = 0; i < RADEON_IB_POOL_SIZE; i++) { radeon_sa_bo_free(rdev, &rdev->ib_pool.ibs[i].sa_bo); @@ -253,7 +256,7 @@ void radeon_ib_pool_fini(struct radeon_device *rdev) radeon_sa_bo_manager_fini(rdev, &rdev->ib_pool.sa_manager); rdev->ib_pool.ready = false; } - mutex_unlock(&rdev->ib_pool.mutex); + radeon_mutex_unlock(&rdev->ib_pool.mutex); } int radeon_ib_pool_start(struct radeon_device *rdev) diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c index 06da063ece2e59..573220cc5269fe 100644 --- a/drivers/gpu/drm/sis/sis_drv.c +++ b/drivers/gpu/drm/sis/sis_drv.c @@ -40,7 +40,6 @@ static struct pci_device_id pciidlist[] = { static int sis_driver_load(struct drm_device *dev, unsigned long chipset) { drm_sis_private_t *dev_priv; - int ret; dev_priv = kzalloc(sizeof(drm_sis_private_t), GFP_KERNEL); if (dev_priv == NULL) @@ -50,7 +49,7 @@ static int sis_driver_load(struct drm_device *dev, unsigned long chipset) dev_priv->chipset = chipset; idr_init(&dev->object_name_idr); - return ret; + return 0; } static int sis_driver_unload(struct drm_device *dev) diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 2f0eab66ece6c1..7c3a57de8187c6 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -404,6 +404,9 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo, } } + if (bdev->driver->move_notify) + bdev->driver->move_notify(bo, mem); + if (!(old_man->flags & TTM_MEMTYPE_FLAG_FIXED) && !(new_man->flags & TTM_MEMTYPE_FLAG_FIXED)) ret = ttm_bo_move_ttm(bo, evict, no_wait_reserve, no_wait_gpu, mem); @@ -413,11 +416,17 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo, else ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, mem); - if (ret) - goto out_err; + if (ret) { + if (bdev->driver->move_notify) { + struct ttm_mem_reg tmp_mem = *mem; + *mem = bo->mem; + bo->mem = tmp_mem; + bdev->driver->move_notify(bo, mem); + bo->mem = *mem; + } - if (bdev->driver->move_notify) - bdev->driver->move_notify(bo, mem); + goto out_err; + } moved: if (bo->evicted) { diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 0af6ebdf205d82..b66ef0e3cde14a 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -378,7 +378,7 @@ int vmw_framebuffer_create_handle(struct drm_framebuffer *fb, unsigned int *handle) { if (handle) - handle = 0; + *handle = 0; return 0; } diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c index 0c33ae9cf0f0e2..406632472c1bb0 100644 --- a/drivers/hid/hid-hyperv.c +++ b/drivers/hid/hid-hyperv.c @@ -548,6 +548,7 @@ static int mousevsc_remove(struct hv_device *dev) struct mousevsc_dev *input_dev = hv_get_drvdata(dev); vmbus_close(dev->channel); + hid_hw_stop(input_dev->hid_device); hid_destroy_device(input_dev->hid_device); mousevsc_free_device(input_dev); diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c index b47e58b52d9fbd..acab74cde72730 100644 --- a/drivers/hid/hid-wacom.c +++ b/drivers/hid/hid-wacom.c @@ -531,7 +531,6 @@ static int wacom_probe(struct hid_device *hdev, wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY; wdata->battery.use_for_apm = 0; - power_supply_powers(&wdata->battery, &hdev->dev); ret = power_supply_register(&hdev->dev, &wdata->battery); if (ret) { @@ -540,6 +539,8 @@ static int wacom_probe(struct hid_device *hdev, goto err_battery; } + power_supply_powers(&wdata->battery, &hdev->dev); + wdata->ac.properties = wacom_ac_props; wdata->ac.num_properties = ARRAY_SIZE(wacom_ac_props); wdata->ac.get_property = wacom_ac_get_property; @@ -547,14 +548,14 @@ static int wacom_probe(struct hid_device *hdev, wdata->ac.type = POWER_SUPPLY_TYPE_MAINS; wdata->ac.use_for_apm = 0; - power_supply_powers(&wdata->battery, &hdev->dev); - ret = power_supply_register(&hdev->dev, &wdata->ac); if (ret) { hid_warn(hdev, "can't create ac battery attribute, err: %d\n", ret); goto err_ac; } + + power_supply_powers(&wdata->ac, &hdev->dev); #endif return 0; diff --git a/drivers/hid/hid-wiimote-core.c b/drivers/hid/hid-wiimote-core.c index fc253b472f9d40..cac3589b1ed5ac 100644 --- a/drivers/hid/hid-wiimote-core.c +++ b/drivers/hid/hid-wiimote-core.c @@ -1226,14 +1226,14 @@ static int wiimote_hid_probe(struct hid_device *hdev, wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY; wdata->battery.use_for_apm = 0; - power_supply_powers(&wdata->battery, &hdev->dev); - ret = power_supply_register(&wdata->hdev->dev, &wdata->battery); if (ret) { hid_err(hdev, "Cannot register battery device\n"); goto err_battery; } + power_supply_powers(&wdata->battery, &hdev->dev); + ret = wiimote_leds_create(wdata); if (ret) goto err_free; diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index 7c297d305d5dd4..b1ec0e2aeb57b0 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -922,11 +922,11 @@ void hiddev_disconnect(struct hid_device *hid) struct hiddev *hiddev = hid->hiddev; struct usbhid_device *usbhid = hid->driver_data; + usb_deregister_dev(usbhid->intf, &hiddev_class); + mutex_lock(&hiddev->existancelock); hiddev->exist = 0; - usb_deregister_dev(usbhid->intf, &hiddev_class); - if (hiddev->open) { mutex_unlock(&hiddev->existancelock); usbhid_close(hiddev->hid); diff --git a/drivers/hwmon/f71805f.c b/drivers/hwmon/f71805f.c index 92f949767ece5c..6dbfd3e516e482 100644 --- a/drivers/hwmon/f71805f.c +++ b/drivers/hwmon/f71805f.c @@ -283,11 +283,11 @@ static inline long temp_from_reg(u8 reg) static inline u8 temp_to_reg(long val) { - if (val < 0) - val = 0; - else if (val > 1000 * 0xff) - val = 0xff; - return ((val + 500) / 1000); + if (val <= 0) + return 0; + if (val >= 1000 * 0xff) + return 0xff; + return (val + 500) / 1000; } /* diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c index eedf574ab539c9..f609b5727ba904 100644 --- a/drivers/hwmon/f75375s.c +++ b/drivers/hwmon/f75375s.c @@ -172,7 +172,7 @@ static inline void f75375_write8(struct i2c_client *client, u8 reg, static inline void f75375_write16(struct i2c_client *client, u8 reg, u16 value) { - int err = i2c_smbus_write_byte_data(client, reg, (value << 8)); + int err = i2c_smbus_write_byte_data(client, reg, (value >> 8)); if (err) return; i2c_smbus_write_byte_data(client, reg + 1, (value & 0xFF)); @@ -200,9 +200,6 @@ static struct f75375_data *f75375_update_device(struct device *dev) f75375_read16(client, F75375_REG_FAN_MIN(nr)); data->fan_target[nr] = f75375_read16(client, F75375_REG_FAN_EXP(nr)); - data->pwm[nr] = f75375_read8(client, - F75375_REG_FAN_PWM_DUTY(nr)); - } for (nr = 0; nr < 4; nr++) { data->in_max[nr] = @@ -218,6 +215,8 @@ static struct f75375_data *f75375_update_device(struct device *dev) if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) { for (nr = 0; nr < 2; nr++) { + data->pwm[nr] = f75375_read8(client, + F75375_REG_FAN_PWM_DUTY(nr)); /* assign MSB, therefore shift it by 8 bits */ data->temp11[nr] = f75375_read8(client, F75375_REG_TEMP(nr)) << 8; @@ -369,7 +368,7 @@ static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val) fanmode |= (3 << FAN_CTRL_MODE(nr)); break; case 2: /* AUTOMATIC*/ - fanmode |= (2 << FAN_CTRL_MODE(nr)); + fanmode |= (1 << FAN_CTRL_MODE(nr)); break; case 3: /* fan speed */ break; @@ -723,7 +722,7 @@ static void f75375_init(struct i2c_client *client, struct f75375_data *data, if (data->kind == f75387) { bool manu, duty; - if (!(conf & (1 << F75387_FAN_CTRL_LINEAR(nr)))) + if (!(mode & (1 << F75387_FAN_CTRL_LINEAR(nr)))) data->pwm_mode[nr] = 1; manu = ((mode >> F75387_FAN_MANU_MODE(nr)) & 1); diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c index 6ddeae049058e3..91fdd1fe18b0a8 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c @@ -883,7 +883,7 @@ static int sht15_invalidate_voltage(struct notifier_block *nb, static int __devinit sht15_probe(struct platform_device *pdev) { - int ret = 0; + int ret; struct sht15_data *data = kzalloc(sizeof(*data), GFP_KERNEL); u8 status = 0; @@ -901,6 +901,7 @@ static int __devinit sht15_probe(struct platform_device *pdev) init_waitqueue_head(&data->wait_queue); if (pdev->dev.platform_data == NULL) { + ret = -EINVAL; dev_err(&pdev->dev, "no platform data supplied\n"); goto err_free_data; } diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 0e0af0445222c4..5276d1933dbcad 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -1319,6 +1319,7 @@ store_pwm_mode(struct device *dev, struct device_attribute *attr, { struct w83627ehf_data *data = dev_get_drvdata(dev); struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); + struct w83627ehf_sio_data *sio_data = dev->platform_data; int nr = sensor_attr->index; unsigned long val; int err; @@ -1330,6 +1331,11 @@ store_pwm_mode(struct device *dev, struct device_attribute *attr, if (val > 1) return -EINVAL; + + /* On NCT67766F, DC mode is only supported for pwm1 */ + if (sio_data->kind == nct6776 && nr && val != 1) + return -EINVAL; + mutex_lock(&data->update_lock); reg = w83627ehf_read_value(data, W83627EHF_REG_PWM_ENABLE[nr]); data->pwm_mode[nr] = val; @@ -1914,9 +1920,26 @@ w83627ehf_check_fan_inputs(const struct w83627ehf_sio_data *sio_data, fan4min = 0; fan5pin = 0; } else if (sio_data->kind == nct6776) { - fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40); - fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01); - fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02); + bool gpok = superio_inb(sio_data->sioreg, 0x27) & 0x80; + + superio_select(sio_data->sioreg, W83627EHF_LD_HWM); + regval = superio_inb(sio_data->sioreg, SIO_REG_ENABLE); + + if (regval & 0x80) + fan3pin = gpok; + else + fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40); + + if (regval & 0x40) + fan4pin = gpok; + else + fan4pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x01); + + if (regval & 0x20) + fan5pin = gpok; + else + fan5pin = !!(superio_inb(sio_data->sioreg, 0x1C) & 0x02); + fan4min = fan4pin; } else if (sio_data->kind == w83667hg || sio_data->kind == w83667hg_b) { fan3pin = 1; @@ -2331,11 +2354,6 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) for (i = 0; i < data->pwm_num; i++) data->pwm_enable_orig[i] = data->pwm_enable[i]; - /* Read pwm data to save original values */ - w83627ehf_update_pwm_common(dev, data); - for (i = 0; i < data->pwm_num; i++) - data->pwm_enable_orig[i] = data->pwm_enable[i]; - /* Register sysfs hooks */ for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) { err = device_create_file(dev, &sda_sf3_arrays[i].dev_attr); diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index f713eac550470c..801df6000e9b20 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1018,7 +1018,7 @@ omap_i2c_probe(struct platform_device *pdev) goto err_release_region; } - match = of_match_device(omap_i2c_of_match, &pdev->dev); + match = of_match_device(of_match_ptr(omap_i2c_of_match), &pdev->dev); if (match) { u32 freq = 100000; /* default to 100000 Hz */ diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 20bce51c2e82f1..54ab97bae0425f 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -527,7 +527,7 @@ int intel_idle_cpu_init(int cpu) return 0; } - +EXPORT_SYMBOL_GPL(intel_idle_cpu_init); static int __init intel_idle_init(void) { diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index b37b0c02a7b9d7..5034a87cc72dc8 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -808,9 +808,12 @@ static ssize_t ucma_accept(struct ucma_file *file, const char __user *inbuf, return PTR_ERR(ctx); if (cmd.conn_param.valid) { - ctx->uid = cmd.uid; ucma_copy_conn_param(&conn_param, &cmd.conn_param); + mutex_lock(&file->mut); ret = rdma_accept(ctx->cm_id, &conn_param); + if (!ret) + ctx->uid = cmd.uid; + mutex_unlock(&file->mut); } else ret = rdma_accept(ctx->cm_id, NULL); diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index b930da4c0c632e..4d27e4c3fe34ba 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1485,6 +1485,7 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file, qp->event_handler = attr.event_handler; qp->qp_context = attr.qp_context; qp->qp_type = attr.qp_type; + atomic_set(&qp->usecnt, 0); atomic_inc(&pd->usecnt); atomic_inc(&attr.send_cq->usecnt); if (attr.recv_cq) diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 602b1bd723a963..575b78045aafd1 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -421,6 +421,7 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd, qp->uobject = NULL; qp->qp_type = qp_init_attr->qp_type; + atomic_set(&qp->usecnt, 0); if (qp_init_attr->qp_type == IB_QPT_XRC_TGT) { qp->event_handler = __ib_shared_qp_event_handler; qp->qp_context = qp; @@ -430,7 +431,6 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd, qp->xrcd = qp_init_attr->xrcd; atomic_inc(&qp_init_attr->xrcd->usecnt); INIT_LIST_HEAD(&qp->open_list); - atomic_set(&qp->usecnt, 0); real_qp = qp; qp = __ib_open_qp(real_qp, qp_init_attr->event_handler, diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c index b7d4216db3c356..a4de9d58e9b474 100644 --- a/drivers/infiniband/hw/ipath/ipath_fs.c +++ b/drivers/infiniband/hw/ipath/ipath_fs.c @@ -89,7 +89,7 @@ static int create_file(const char *name, umode_t mode, error = ipathfs_mknod(parent->d_inode, *dentry, mode, fops, data); else - error = PTR_ERR(dentry); + error = PTR_ERR(*dentry); mutex_unlock(&parent->d_inode->i_mutex); return error; diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index 95c94d8f02543e..259b0670b51cd6 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -257,12 +257,9 @@ static int ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, return IB_MAD_RESULT_SUCCESS; /* - * Don't process SMInfo queries or vendor-specific - * MADs -- the SMA can't handle them. + * Don't process SMInfo queries -- the SMA can't handle them. */ - if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_SM_INFO || - ((in_mad->mad_hdr.attr_id & IB_SMP_ATTR_VENDOR_MASK) == - IB_SMP_ATTR_VENDOR_MASK)) + if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_SM_INFO) return IB_MAD_RESULT_SUCCESS; } else if (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT || in_mad->mad_hdr.mgmt_class == MLX4_IB_VENDOR_CLASS1 || diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c index 7013da5e9eda8e..7140199f562ead 100644 --- a/drivers/infiniband/hw/nes/nes.c +++ b/drivers/infiniband/hw/nes/nes.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. * * This software is available to you under a choice of one of two diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h index 568b4f11380ae5..c438e4691b3cde 100644 --- a/drivers/infiniband/hw/nes/nes.h +++ b/drivers/infiniband/hw/nes/nes.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. * * This software is available to you under a choice of one of two diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 425065b36b8c4b..a4972abedef1e9 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -233,6 +233,7 @@ static int send_mpa_reject(struct nes_cm_node *cm_node) u8 *start_ptr = &start_addr; u8 **start_buff = &start_ptr; u16 buff_len = 0; + struct ietf_mpa_v1 *mpa_frame; skb = dev_alloc_skb(MAX_CM_BUFFER); if (!skb) { @@ -242,6 +243,8 @@ static int send_mpa_reject(struct nes_cm_node *cm_node) /* send an MPA reject frame */ cm_build_mpa_frame(cm_node, start_buff, &buff_len, NULL, MPA_KEY_REPLY); + mpa_frame = (struct ietf_mpa_v1 *)*start_buff; + mpa_frame->flags |= IETF_MPA_FLAGS_REJECT; form_cm_frame(skb, cm_node, NULL, 0, *start_buff, buff_len, SET_ACK | SET_FIN); cm_node->state = NES_CM_STATE_FIN_WAIT1; @@ -1360,8 +1363,7 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi if (!memcmp(nesadapter->arp_table[arpindex].mac_addr, neigh->ha, ETH_ALEN)) { /* Mac address same as in nes_arp_table */ - ip_rt_put(rt); - return rc; + goto out; } nes_manage_arp_cache(nesvnic->netdev, @@ -1377,6 +1379,8 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi neigh_event_send(neigh, NULL); } } + +out: rcu_read_unlock(); ip_rt_put(rt); return rc; diff --git a/drivers/infiniband/hw/nes/nes_cm.h b/drivers/infiniband/hw/nes/nes_cm.h index bdfa1fbb35fcea..4646e66660874c 100644 --- a/drivers/infiniband/hw/nes/nes_cm.h +++ b/drivers/infiniband/hw/nes/nes_cm.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/infiniband/hw/nes/nes_context.h b/drivers/infiniband/hw/nes/nes_context.h index b4393a16099dc6..a69eef16d72d03 100644 --- a/drivers/infiniband/hw/nes/nes_context.h +++ b/drivers/infiniband/hw/nes/nes_context.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index 055f4b545df00a..d42c9f435b1b7a 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h index 0b590e152c6abe..d748e4b31b8ddf 100644 --- a/drivers/infiniband/hw/nes/nes_hw.h +++ b/drivers/infiniband/hw/nes/nes_hw.h @@ -1,5 +1,5 @@ /* -* Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. +* Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/infiniband/hw/nes/nes_mgt.c b/drivers/infiniband/hw/nes/nes_mgt.c index b3b2a240c6e947..3ba7be36945207 100644 --- a/drivers/infiniband/hw/nes/nes_mgt.c +++ b/drivers/infiniband/hw/nes/nes_mgt.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2009 Intel-NE, Inc. All rights reserved. + * Copyright (c) 2006 - 2011 Intel-NE, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/infiniband/hw/nes/nes_mgt.h b/drivers/infiniband/hw/nes/nes_mgt.h index 8c8af254555a22..4f7f701c4a817c 100644 --- a/drivers/infiniband/hw/nes/nes_mgt.h +++ b/drivers/infiniband/hw/nes/nes_mgt.h @@ -1,5 +1,5 @@ /* -* Copyright (c) 2010 Intel-NE, Inc. All rights reserved. +* Copyright (c) 2006 - 2011 Intel-NE, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c index 4b3fa711a2470e..f3a3ecf8d09ebf 100644 --- a/drivers/infiniband/hw/nes/nes_nic.c +++ b/drivers/infiniband/hw/nes/nes_nic.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/infiniband/hw/nes/nes_user.h b/drivers/infiniband/hw/nes/nes_user.h index 71e133ab209b3c..4926de744488e7 100644 --- a/drivers/infiniband/hw/nes/nes_user.h +++ b/drivers/infiniband/hw/nes/nes_user.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * Copyright (c) 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005 Cisco Systems. All rights reserved. * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. diff --git a/drivers/infiniband/hw/nes/nes_utils.c b/drivers/infiniband/hw/nes/nes_utils.c index 8b4c2ff548887e..e98f4fc0b76832 100644 --- a/drivers/infiniband/hw/nes/nes_utils.c +++ b/drivers/infiniband/hw/nes/nes_utils.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 5095bc41c6ccdd..0927b5cc65d33a 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -3428,6 +3428,8 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr, NES_IWARP_SQ_FMR_WQE_LENGTH_LOW_IDX, ib_wr->wr.fast_reg.length); set_wqe_32bit_value(wqe->wqe_words, + NES_IWARP_SQ_FMR_WQE_LENGTH_HIGH_IDX, 0); + set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_FMR_WQE_MR_STAG_IDX, ib_wr->wr.fast_reg.rkey); /* Set page size: */ @@ -3724,7 +3726,7 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry) entry->opcode = IB_WC_SEND; break; case NES_IWARP_SQ_OP_LOCINV: - entry->opcode = IB_WR_LOCAL_INV; + entry->opcode = IB_WC_LOCAL_INV; break; case NES_IWARP_SQ_OP_FAST_REG: entry->opcode = IB_WC_FAST_REG_MR; diff --git a/drivers/infiniband/hw/nes/nes_verbs.h b/drivers/infiniband/hw/nes/nes_verbs.h index fe6b6e92fa901d..0eff7c44d76b00 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.h +++ b/drivers/infiniband/hw/nes/nes_verbs.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. * * This software is available to you under a choice of one of two diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c index 4f18e2d332dfd7..d0c64d51481390 100644 --- a/drivers/infiniband/hw/qib/qib_iba6120.c +++ b/drivers/infiniband/hw/qib/qib_iba6120.c @@ -2105,7 +2105,7 @@ static void alloc_dummy_hdrq(struct qib_devdata *dd) dd->cspec->dummy_hdrq = dma_alloc_coherent(&dd->pcidev->dev, dd->rcd[0]->rcvhdrq_size, &dd->cspec->dummy_hdrq_phys, - GFP_KERNEL | __GFP_COMP); + GFP_ATOMIC | __GFP_COMP); if (!dd->cspec->dummy_hdrq) { qib_devinfo(dd->pcidev, "Couldn't allocate dummy hdrq\n"); /* fallback to just 0'ing */ diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c index f695061d688e06..0fde788e110087 100644 --- a/drivers/infiniband/hw/qib/qib_pcie.c +++ b/drivers/infiniband/hw/qib/qib_pcie.c @@ -560,7 +560,7 @@ static int qib_tune_pcie_coalesce(struct qib_devdata *dd) * BIOS may not set PCIe bus-utilization parameters for best performance. * Check and optionally adjust them to maximize our throughput. */ -static int qib_pcie_caps = 0x51; +static int qib_pcie_caps; module_param_named(pcie_caps, qib_pcie_caps, int, S_IRUGO); MODULE_PARM_DESC(pcie_caps, "Max PCIe tuning: Payload (0..3), ReadReq (4..7)"); diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index b3cc1e062b174a..86df632ea6121f 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -44,6 +44,7 @@ #include <linux/mutex.h> #include <net/neighbour.h> +#include <net/sch_generic.h> #include <linux/atomic.h> @@ -117,8 +118,9 @@ struct ipoib_header { u16 reserved; }; -struct ipoib_pseudoheader { - u8 hwaddr[INFINIBAND_ALEN]; +struct ipoib_cb { + struct qdisc_skb_cb qdisc_cb; + u8 hwaddr[INFINIBAND_ALEN]; }; /* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */ diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 3514ca05deea34..3974c290b66751 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -653,7 +653,7 @@ static void ipoib_path_lookup(struct sk_buff *skb, struct neighbour *n, struct n } static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev, - struct ipoib_pseudoheader *phdr) + struct ipoib_cb *cb) { struct ipoib_dev_priv *priv = netdev_priv(dev); struct ipoib_path *path; @@ -661,17 +661,15 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev, spin_lock_irqsave(&priv->lock, flags); - path = __path_find(dev, phdr->hwaddr + 4); + path = __path_find(dev, cb->hwaddr + 4); if (!path || !path->valid) { int new_path = 0; if (!path) { - path = path_rec_create(dev, phdr->hwaddr + 4); + path = path_rec_create(dev, cb->hwaddr + 4); new_path = 1; } if (path) { - /* put pseudoheader back on for next time */ - skb_push(skb, sizeof *phdr); __skb_queue_tail(&path->queue, skb); if (!path->query && path_rec_start(dev, path)) { @@ -695,12 +693,10 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev, be16_to_cpu(path->pathrec.dlid)); spin_unlock_irqrestore(&priv->lock, flags); - ipoib_send(dev, skb, path->ah, IPOIB_QPN(phdr->hwaddr)); + ipoib_send(dev, skb, path->ah, IPOIB_QPN(cb->hwaddr)); return; } else if ((path->query || !path_rec_start(dev, path)) && skb_queue_len(&path->queue) < IPOIB_MAX_PATH_REC_QUEUE) { - /* put pseudoheader back on for next time */ - skb_push(skb, sizeof *phdr); __skb_queue_tail(&path->queue, skb); } else { ++dev->stats.tx_dropped; @@ -774,16 +770,14 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev) dev_kfree_skb_any(skb); } } else { - struct ipoib_pseudoheader *phdr = - (struct ipoib_pseudoheader *) skb->data; - skb_pull(skb, sizeof *phdr); + struct ipoib_cb *cb = (struct ipoib_cb *) skb->cb; - if (phdr->hwaddr[4] == 0xff) { + if (cb->hwaddr[4] == 0xff) { /* Add in the P_Key for multicast*/ - phdr->hwaddr[8] = (priv->pkey >> 8) & 0xff; - phdr->hwaddr[9] = priv->pkey & 0xff; + cb->hwaddr[8] = (priv->pkey >> 8) & 0xff; + cb->hwaddr[9] = priv->pkey & 0xff; - ipoib_mcast_send(dev, phdr->hwaddr + 4, skb); + ipoib_mcast_send(dev, cb->hwaddr + 4, skb); } else { /* unicast GID -- should be ARP or RARP reply */ @@ -792,14 +786,14 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev) ipoib_warn(priv, "Unicast, no %s: type %04x, QPN %06x %pI6\n", skb_dst(skb) ? "neigh" : "dst", be16_to_cpup((__be16 *) skb->data), - IPOIB_QPN(phdr->hwaddr), - phdr->hwaddr + 4); + IPOIB_QPN(cb->hwaddr), + cb->hwaddr + 4); dev_kfree_skb_any(skb); ++dev->stats.tx_dropped; goto unlock; } - unicast_arp_send(skb, dev, phdr); + unicast_arp_send(skb, dev, cb); } } unlock: @@ -825,8 +819,6 @@ static int ipoib_hard_header(struct sk_buff *skb, const void *daddr, const void *saddr, unsigned len) { struct ipoib_header *header; - struct dst_entry *dst; - struct neighbour *n; header = (struct ipoib_header *) skb_push(skb, sizeof *header); @@ -834,18 +826,13 @@ static int ipoib_hard_header(struct sk_buff *skb, header->reserved = 0; /* - * If we don't have a neighbour structure, stuff the - * destination address onto the front of the skb so we can - * figure out where to send the packet later. + * If we don't have a dst_entry structure, stuff the + * destination address into skb->cb so we can figure out where + * to send the packet later. */ - dst = skb_dst(skb); - n = NULL; - if (dst) - n = dst_get_neighbour_noref_raw(dst); - if ((!dst || !n) && daddr) { - struct ipoib_pseudoheader *phdr = - (struct ipoib_pseudoheader *) skb_push(skb, sizeof *phdr); - memcpy(phdr->hwaddr, daddr, INFINIBAND_ALEN); + if (!skb_dst(skb)) { + struct ipoib_cb *cb = (struct ipoib_cb *) skb->cb; + memcpy(cb->hwaddr, daddr, INFINIBAND_ALEN); } return 0; @@ -1021,11 +1008,7 @@ static void ipoib_setup(struct net_device *dev) dev->flags |= IFF_BROADCAST | IFF_MULTICAST; - /* - * We add in INFINIBAND_ALEN to allow for the destination - * address "pseudoheader" for skbs without neighbour struct. - */ - dev->hard_header_len = IPOIB_ENCAP_LEN + INFINIBAND_ALEN; + dev->hard_header_len = IPOIB_ENCAP_LEN; dev->addr_len = INFINIBAND_ALEN; dev->type = ARPHRD_INFINIBAND; dev->tx_queue_len = ipoib_sendq_size * 2; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index f7ff9dd66cda31..20ebc6fd1bb9e0 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -262,21 +262,13 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast, netif_tx_lock_bh(dev); while (!skb_queue_empty(&mcast->pkt_queue)) { struct sk_buff *skb = skb_dequeue(&mcast->pkt_queue); - struct dst_entry *dst = skb_dst(skb); - struct neighbour *n = NULL; netif_tx_unlock_bh(dev); skb->dev = dev; - if (dst) - n = dst_get_neighbour_noref_raw(dst); - if (!dst || !n) { - /* put pseudoheader back on for next time */ - skb_push(skb, sizeof (struct ipoib_pseudoheader)); - } - if (dev_queue_xmit(skb)) ipoib_warn(priv, "dev_queue_xmit failed to requeue packet\n"); + netif_tx_lock_bh(dev); } netif_tx_unlock_bh(dev); diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index cd5d05e22a77e0..2b73d43cd6919a 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -69,8 +69,8 @@ MODULE_LICENSE("Dual BSD/GPL"); */ static u64 srpt_service_guid; -static spinlock_t srpt_dev_lock; /* Protects srpt_dev_list. */ -static struct list_head srpt_dev_list; /* List of srpt_device structures. */ +static DEFINE_SPINLOCK(srpt_dev_lock); /* Protects srpt_dev_list. */ +static LIST_HEAD(srpt_dev_list); /* List of srpt_device structures. */ static unsigned srp_max_req_size = DEFAULT_MAX_REQ_SIZE; module_param(srp_max_req_size, int, 0444); @@ -687,6 +687,7 @@ err: while (--i >= 0) srpt_free_ioctx(sdev, ring[i], dma_size, dir); kfree(ring); + ring = NULL; out: return ring; } @@ -2595,7 +2596,7 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, } ch->sess = transport_init_session(); - if (!ch->sess) { + if (IS_ERR(ch->sess)) { rej->reason = __constant_cpu_to_be32( SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_debug("Failed to create session\n"); @@ -3264,8 +3265,7 @@ static void srpt_add_one(struct ib_device *device) for (i = 0; i < sdev->srq_size; ++i) srpt_post_recv(sdev, sdev->ioctx_ring[i]); - WARN_ON(sdev->device->phys_port_cnt - > sizeof(sdev->port)/sizeof(sdev->port[0])); + WARN_ON(sdev->device->phys_port_cnt > ARRAY_SIZE(sdev->port)); for (i = 1; i <= sdev->device->phys_port_cnt; i++) { sport = &sdev->port[i - 1]; @@ -4010,13 +4010,10 @@ static int __init srpt_init_module(void) goto out; } - spin_lock_init(&srpt_dev_lock); - INIT_LIST_HEAD(&srpt_dev_list); - - ret = -ENODEV; srpt_target = target_fabric_configfs_init(THIS_MODULE, "srpt"); - if (!srpt_target) { + if (IS_ERR(srpt_target)) { printk(KERN_ERR "couldn't register\n"); + ret = PTR_ERR(srpt_target); goto out; } diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h index b4b4bbcd7f16b9..61e52b830816a1 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.h +++ b/drivers/infiniband/ulp/srpt/ib_srpt.h @@ -35,7 +35,6 @@ #ifndef IB_SRPT_H #define IB_SRPT_H -#include <linux/version.h> #include <linux/types.h> #include <linux/list.h> #include <linux/wait.h> diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 76457d50bc3493..afc166fcc3d9c4 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -386,7 +386,7 @@ static ssize_t evdev_read(struct file *file, char __user *buffer, struct evdev_client *client = file->private_data; struct evdev *evdev = client->evdev; struct input_event event; - int retval; + int retval = 0; if (count < input_event_size()) return -EINVAL; diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c index a588578037ebe7..67bec14e8b963d 100644 --- a/drivers/input/keyboard/twl4030_keypad.c +++ b/drivers/input/keyboard/twl4030_keypad.c @@ -34,7 +34,6 @@ #include <linux/i2c/twl.h> #include <linux/slab.h> - /* * The TWL4030 family chips include a keypad controller that supports * up to an 8x8 switch matrix. The controller can issue system wakeup @@ -302,7 +301,7 @@ static int __devinit twl4030_kp_program(struct twl4030_keypad *kp) if (twl4030_kpwrite_u8(kp, i, KEYP_DEB) < 0) return -EIO; - /* Set timeout period to 100 ms */ + /* Set timeout period to 200 ms */ i = KEYP_PERIOD_US(200000, PTV_PRESCALER); if (twl4030_kpwrite_u8(kp, (i & 0xFF), KEYP_TIMEOUT_L) < 0) return -EIO; @@ -466,4 +465,3 @@ MODULE_AUTHOR("Texas Instruments"); MODULE_DESCRIPTION("TWL4030 Keypad Driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:twl4030_keypad"); - diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index b4cfc6c8be89db..5ec774d6c82b4b 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -512,6 +512,13 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"), }, }, + { + /* Lenovo Ideapad U455 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20046"), + }, + }, { } }; diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c index 8250299fd64ff3..4494233d331ac4 100644 --- a/drivers/input/serio/serio_raw.c +++ b/drivers/input/serio/serio_raw.c @@ -164,7 +164,8 @@ static ssize_t serio_raw_read(struct file *file, char __user *buffer, struct serio_raw_client *client = file->private_data; struct serio_raw *serio_raw = client->serio_raw; char uninitialized_var(c); - ssize_t retval = 0; + ssize_t read = 0; + int retval; if (serio_raw->dead) return -ENODEV; @@ -180,13 +181,15 @@ static ssize_t serio_raw_read(struct file *file, char __user *buffer, if (serio_raw->dead) return -ENODEV; - while (retval < count && serio_raw_fetch_byte(serio_raw, &c)) { - if (put_user(c, buffer++)) - return -EFAULT; - retval++; + while (read < count && serio_raw_fetch_byte(serio_raw, &c)) { + if (put_user(c, buffer++)) { + retval = -EFAULT; + break; + } + read++; } - return retval; + return read ?: retval; } static ssize_t serio_raw_write(struct file *file, const char __user *buffer, diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index cce1f03b889532..f75e0608be5bb2 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2863,6 +2863,9 @@ static unsigned device_dma_ops_init(void) for_each_pci_dev(pdev) { if (!check_device(&pdev->dev)) { + + iommu_ignore_device(&pdev->dev); + unhandled += 1; continue; } diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c index 08a90b88e40d80..cee307e866060c 100644 --- a/drivers/iommu/msm_iommu.c +++ b/drivers/iommu/msm_iommu.c @@ -482,23 +482,19 @@ static size_t msm_iommu_unmap(struct iommu_domain *domain, unsigned long va, priv = domain->priv; - if (!priv) { - ret = -ENODEV; + if (!priv) goto fail; - } fl_table = priv->pgtable; if (len != SZ_16M && len != SZ_1M && len != SZ_64K && len != SZ_4K) { pr_debug("Bad length: %d\n", len); - ret = -EINVAL; goto fail; } if (!fl_table) { pr_debug("Null page table\n"); - ret = -EINVAL; goto fail; } @@ -507,7 +503,6 @@ static size_t msm_iommu_unmap(struct iommu_domain *domain, unsigned long va, if (*fl_pte == 0) { pr_debug("First level PTE is 0\n"); - ret = -ENODEV; goto fail; } diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c index 2339d7396b9ea3..802ab87a78b662 100644 --- a/drivers/isdn/i4l/isdn_net.c +++ b/drivers/isdn/i4l/isdn_net.c @@ -1901,7 +1901,7 @@ static int isdn_net_header(struct sk_buff *skb, struct net_device *dev, { isdn_net_local *lp = netdev_priv(dev); unsigned char *p; - ushort len = 0; + int len = 0; switch (lp->p_encap) { case ISDN_NET_ENCAP_ETHER: diff --git a/drivers/leds/leds-lm3530.c b/drivers/leds/leds-lm3530.c index 45e6878d73741d..e59c166a0ce226 100644 --- a/drivers/leds/leds-lm3530.c +++ b/drivers/leds/leds-lm3530.c @@ -164,8 +164,8 @@ static int lm3530_init_registers(struct lm3530_data *drvdata) if (drvdata->mode == LM3530_BL_MODE_ALS) { if (pltfm->als_vmax == 0) { - pltfm->als_vmin = als_vmin = 0; - pltfm->als_vmin = als_vmax = LM3530_ALS_WINDOW_mV; + pltfm->als_vmin = 0; + pltfm->als_vmax = LM3530_ALS_WINDOW_mV; } als_vmin = pltfm->als_vmin; diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index c2907d836e4e56..86cb7e5d83d545 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -56,7 +56,8 @@ struct raid_dev { struct raid_set { struct dm_target *ti; - uint64_t print_flags; + uint32_t bitmap_loaded; + uint32_t print_flags; struct mddev md; struct raid_type *raid_type; @@ -1085,7 +1086,7 @@ static int raid_status(struct dm_target *ti, status_type_t type, raid_param_cnt += 2; } - raid_param_cnt += (hweight64(rs->print_flags & ~DMPF_REBUILD) * 2); + raid_param_cnt += (hweight32(rs->print_flags & ~DMPF_REBUILD) * 2); if (rs->print_flags & (DMPF_SYNC | DMPF_NOSYNC)) raid_param_cnt--; @@ -1197,7 +1198,12 @@ static void raid_resume(struct dm_target *ti) { struct raid_set *rs = ti->private; - bitmap_load(&rs->md); + if (!rs->bitmap_loaded) { + bitmap_load(&rs->md); + rs->bitmap_loaded = 1; + } else + md_wakeup_thread(rs->md.thread); + mddev_resume(&rs->md); } diff --git a/drivers/md/md.c b/drivers/md/md.c index 9417ae2fa0bbc6..ce88755baf4a91 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7333,7 +7333,8 @@ void md_do_sync(struct mddev *mddev) printk(KERN_INFO "md: checkpointing %s of %s.\n", desc, mdname(mddev)); - mddev->recovery_cp = mddev->curr_resync; + mddev->recovery_cp = + mddev->curr_resync_completed; } } else mddev->recovery_cp = MaxSector; @@ -7351,9 +7352,9 @@ void md_do_sync(struct mddev *mddev) rcu_read_unlock(); } } + skip: set_bit(MD_CHANGE_DEVS, &mddev->flags); - skip: if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery)) { /* We completed so min/max setting can be forgotten if used. */ if (test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) diff --git a/drivers/media/dvb/dvb-usb/anysee.c b/drivers/media/dvb/dvb-usb/anysee.c index 1455e2644ab5e4..cf0c318d6989e1 100644 --- a/drivers/media/dvb/dvb-usb/anysee.c +++ b/drivers/media/dvb/dvb-usb/anysee.c @@ -887,8 +887,7 @@ static int anysee_frontend_attach(struct dvb_usb_adapter *adap) /* attach demod */ adap->fe_adap[state->fe_id].fe = dvb_attach(cxd2820r_attach, - &anysee_cxd2820r_config, &adap->dev->i2c_adap, - NULL); + &anysee_cxd2820r_config, &adap->dev->i2c_adap); state->has_ci = true; @@ -1189,6 +1188,14 @@ static int anysee_ci_init(struct dvb_usb_device *d) if (ret) return ret; + ret = anysee_wr_reg_mask(d, REG_IOD, (0 << 2)|(0 << 1)|(0 << 0), 0x07); + if (ret) + return ret; + + ret = anysee_wr_reg_mask(d, REG_IOD, (1 << 2)|(1 << 1)|(1 << 0), 0x07); + if (ret) + return ret; + ret = dvb_ca_en50221_init(&d->adapter[0].dvb_adap, &state->ci, 0, 1); if (ret) return ret; diff --git a/drivers/media/dvb/dvb-usb/cinergyT2-fe.c b/drivers/media/dvb/dvb-usb/cinergyT2-fe.c index 8a57ed8272dec1..1efc028a76c9c5 100644 --- a/drivers/media/dvb/dvb-usb/cinergyT2-fe.c +++ b/drivers/media/dvb/dvb-usb/cinergyT2-fe.c @@ -276,14 +276,15 @@ static int cinergyt2_fe_set_frontend(struct dvb_frontend *fe) param.flags = 0; switch (fep->bandwidth_hz) { + default: case 8000000: - param.bandwidth = 0; + param.bandwidth = 8; break; case 7000000: - param.bandwidth = 1; + param.bandwidth = 7; break; case 6000000: - param.bandwidth = 2; + param.bandwidth = 6; break; } diff --git a/drivers/media/dvb/frontends/cxd2820r.h b/drivers/media/dvb/frontends/cxd2820r.h index cf0f546aa1d1bd..5aa306ebb7ef93 100644 --- a/drivers/media/dvb/frontends/cxd2820r.h +++ b/drivers/media/dvb/frontends/cxd2820r.h @@ -77,14 +77,12 @@ struct cxd2820r_config { (defined(CONFIG_DVB_CXD2820R_MODULE) && defined(MODULE)) extern struct dvb_frontend *cxd2820r_attach( const struct cxd2820r_config *config, - struct i2c_adapter *i2c, - struct dvb_frontend *fe + struct i2c_adapter *i2c ); #else static inline struct dvb_frontend *cxd2820r_attach( const struct cxd2820r_config *config, - struct i2c_adapter *i2c, - struct dvb_frontend *fe + struct i2c_adapter *i2c ) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); diff --git a/drivers/media/dvb/frontends/cxd2820r_core.c b/drivers/media/dvb/frontends/cxd2820r_core.c index caae7f79c83793..5c7c2aaf9bf585 100644 --- a/drivers/media/dvb/frontends/cxd2820r_core.c +++ b/drivers/media/dvb/frontends/cxd2820r_core.c @@ -482,10 +482,19 @@ static enum dvbfe_search cxd2820r_search(struct dvb_frontend *fe) /* switch between DVB-T and DVB-T2 when tune fails */ if (priv->last_tune_failed) { - if (priv->delivery_system == SYS_DVBT) + if (priv->delivery_system == SYS_DVBT) { + ret = cxd2820r_sleep_t(fe); + if (ret) + goto error; + c->delivery_system = SYS_DVBT2; - else if (priv->delivery_system == SYS_DVBT2) + } else if (priv->delivery_system == SYS_DVBT2) { + ret = cxd2820r_sleep_t2(fe); + if (ret) + goto error; + c->delivery_system = SYS_DVBT; + } } /* set frontend */ @@ -562,7 +571,7 @@ static const struct dvb_frontend_ops cxd2820r_ops = { .delsys = { SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A }, /* default: DVB-T/T2 */ .info = { - .name = "Sony CXD2820R (DVB-T/T2)", + .name = "Sony CXD2820R", .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | @@ -572,7 +581,9 @@ static const struct dvb_frontend_ops cxd2820r_ops = { FE_CAN_FEC_AUTO | FE_CAN_QPSK | FE_CAN_QAM_16 | + FE_CAN_QAM_32 | FE_CAN_QAM_64 | + FE_CAN_QAM_128 | FE_CAN_QAM_256 | FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | @@ -602,8 +613,7 @@ static const struct dvb_frontend_ops cxd2820r_ops = { }; struct dvb_frontend *cxd2820r_attach(const struct cxd2820r_config *cfg, - struct i2c_adapter *i2c, - struct dvb_frontend *fe) + struct i2c_adapter *i2c) { struct cxd2820r_priv *priv = NULL; int ret; diff --git a/drivers/media/video/atmel-isi.c b/drivers/media/video/atmel-isi.c index 9fe4519176a485..ec3f6a06f9c3ba 100644 --- a/drivers/media/video/atmel-isi.c +++ b/drivers/media/video/atmel-isi.c @@ -922,7 +922,9 @@ static int __devexit atmel_isi_remove(struct platform_device *pdev) isi->fb_descriptors_phys); iounmap(isi->regs); + clk_unprepare(isi->mck); clk_put(isi->mck); + clk_unprepare(isi->pclk); clk_put(isi->pclk); kfree(isi); @@ -955,6 +957,10 @@ static int __devinit atmel_isi_probe(struct platform_device *pdev) if (IS_ERR(pclk)) return PTR_ERR(pclk); + ret = clk_prepare(pclk); + if (ret) + goto err_clk_prepare_pclk; + isi = kzalloc(sizeof(struct atmel_isi), GFP_KERNEL); if (!isi) { ret = -ENOMEM; @@ -978,6 +984,10 @@ static int __devinit atmel_isi_probe(struct platform_device *pdev) goto err_clk_get; } + ret = clk_prepare(isi->mck); + if (ret) + goto err_clk_prepare_mck; + /* Set ISI_MCK's frequency, it should be faster than pixel clock */ ret = clk_set_rate(isi->mck, pdata->mck_hz); if (ret < 0) @@ -1059,10 +1069,14 @@ err_alloc_ctx: isi->fb_descriptors_phys); err_alloc_descriptors: err_set_mck_rate: + clk_unprepare(isi->mck); +err_clk_prepare_mck: clk_put(isi->mck); err_clk_get: kfree(isi); err_alloc_isi: + clk_unprepare(pclk); +err_clk_prepare_pclk: clk_put(pclk); return ret; diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c index 9449423098e0d4..aabbf4854f6629 100644 --- a/drivers/media/video/em28xx/em28xx-dvb.c +++ b/drivers/media/video/em28xx/em28xx-dvb.c @@ -853,8 +853,7 @@ static int em28xx_dvb_init(struct em28xx *dev) case EM28174_BOARD_PCTV_290E: dvb->fe[0] = dvb_attach(cxd2820r_attach, &em28xx_cxd2820r_config, - &dev->i2c_adap, - NULL); + &dev->i2c_adap); if (dvb->fe[0]) { /* FE 0 attach tuner */ if (!dvb_attach(tda18271_attach, diff --git a/drivers/mfd/mcp-core.c b/drivers/mfd/mcp-core.c index 63be60bc345539..86cc3f7841cdfd 100644 --- a/drivers/mfd/mcp-core.c +++ b/drivers/mfd/mcp-core.c @@ -26,35 +26,9 @@ #define to_mcp(d) container_of(d, struct mcp, attached_device) #define to_mcp_driver(d) container_of(d, struct mcp_driver, drv) -static const struct mcp_device_id *mcp_match_id(const struct mcp_device_id *id, - const char *codec) -{ - while (id->name[0]) { - if (strcmp(codec, id->name) == 0) - return id; - id++; - } - return NULL; -} - -const struct mcp_device_id *mcp_get_device_id(const struct mcp *mcp) -{ - const struct mcp_driver *driver = - to_mcp_driver(mcp->attached_device.driver); - - return mcp_match_id(driver->id_table, mcp->codec); -} -EXPORT_SYMBOL(mcp_get_device_id); - static int mcp_bus_match(struct device *dev, struct device_driver *drv) { - const struct mcp *mcp = to_mcp(dev); - const struct mcp_driver *driver = to_mcp_driver(drv); - - if (driver->id_table) - return !!mcp_match_id(driver->id_table, mcp->codec); - - return 0; + return 1; } static int mcp_bus_probe(struct device *dev) @@ -100,18 +74,9 @@ static int mcp_bus_resume(struct device *dev) return ret; } -static int mcp_bus_uevent(struct device *dev, struct kobj_uevent_env *env) -{ - struct mcp *mcp = to_mcp(dev); - - add_uevent_var(env, "MODALIAS=%s%s", MCP_MODULE_PREFIX, mcp->codec); - return 0; -} - static struct bus_type mcp_bus_type = { .name = "mcp", .match = mcp_bus_match, - .uevent = mcp_bus_uevent, .probe = mcp_bus_probe, .remove = mcp_bus_remove, .suspend = mcp_bus_suspend, @@ -128,9 +93,11 @@ static struct bus_type mcp_bus_type = { */ void mcp_set_telecom_divisor(struct mcp *mcp, unsigned int div) { - spin_lock_irq(&mcp->lock); + unsigned long flags; + + spin_lock_irqsave(&mcp->lock, flags); mcp->ops->set_telecom_divisor(mcp, div); - spin_unlock_irq(&mcp->lock); + spin_unlock_irqrestore(&mcp->lock, flags); } EXPORT_SYMBOL(mcp_set_telecom_divisor); @@ -143,9 +110,11 @@ EXPORT_SYMBOL(mcp_set_telecom_divisor); */ void mcp_set_audio_divisor(struct mcp *mcp, unsigned int div) { - spin_lock_irq(&mcp->lock); + unsigned long flags; + + spin_lock_irqsave(&mcp->lock, flags); mcp->ops->set_audio_divisor(mcp, div); - spin_unlock_irq(&mcp->lock); + spin_unlock_irqrestore(&mcp->lock, flags); } EXPORT_SYMBOL(mcp_set_audio_divisor); @@ -198,10 +167,11 @@ EXPORT_SYMBOL(mcp_reg_read); */ void mcp_enable(struct mcp *mcp) { - spin_lock_irq(&mcp->lock); + unsigned long flags; + spin_lock_irqsave(&mcp->lock, flags); if (mcp->use_count++ == 0) mcp->ops->enable(mcp); - spin_unlock_irq(&mcp->lock); + spin_unlock_irqrestore(&mcp->lock, flags); } EXPORT_SYMBOL(mcp_enable); @@ -247,14 +217,9 @@ struct mcp *mcp_host_alloc(struct device *parent, size_t size) } EXPORT_SYMBOL(mcp_host_alloc); -int mcp_host_register(struct mcp *mcp, void *pdata) +int mcp_host_register(struct mcp *mcp) { - if (!mcp->codec) - return -EINVAL; - - mcp->attached_device.platform_data = pdata; dev_set_name(&mcp->attached_device, "mcp0"); - request_module("%s%s", MCP_MODULE_PREFIX, mcp->codec); return device_register(&mcp->attached_device); } EXPORT_SYMBOL(mcp_host_register); diff --git a/drivers/mfd/mcp-sa11x0.c b/drivers/mfd/mcp-sa11x0.c index 9adc2eb6949252..02c53a0766c427 100644 --- a/drivers/mfd/mcp-sa11x0.c +++ b/drivers/mfd/mcp-sa11x0.c @@ -19,7 +19,6 @@ #include <linux/spinlock.h> #include <linux/platform_device.h> #include <linux/mfd/mcp.h> -#include <linux/io.h> #include <mach/dma.h> #include <mach/hardware.h> @@ -27,19 +26,12 @@ #include <asm/system.h> #include <mach/mcp.h> -/* Register offsets */ -#define MCCR0 0x00 -#define MCDR0 0x08 -#define MCDR1 0x0C -#define MCDR2 0x10 -#define MCSR 0x18 -#define MCCR1 0x00 +#include <mach/assabet.h> + struct mcp_sa11x0 { - u32 mccr0; - u32 mccr1; - unsigned char *mccr0_base; - unsigned char *mccr1_base; + u32 mccr0; + u32 mccr1; }; #define priv(mcp) ((struct mcp_sa11x0 *)mcp_priv(mcp)) @@ -47,25 +39,25 @@ struct mcp_sa11x0 { static void mcp_sa11x0_set_telecom_divisor(struct mcp *mcp, unsigned int divisor) { - struct mcp_sa11x0 *priv = priv(mcp); + unsigned int mccr0; divisor /= 32; - priv->mccr0 &= ~0x00007f00; - priv->mccr0 |= divisor << 8; - __raw_writel(priv->mccr0, priv->mccr0_base + MCCR0); + mccr0 = Ser4MCCR0 & ~0x00007f00; + mccr0 |= divisor << 8; + Ser4MCCR0 = mccr0; } static void mcp_sa11x0_set_audio_divisor(struct mcp *mcp, unsigned int divisor) { - struct mcp_sa11x0 *priv = priv(mcp); + unsigned int mccr0; divisor /= 32; - priv->mccr0 &= ~0x0000007f; - priv->mccr0 |= divisor; - __raw_writel(priv->mccr0, priv->mccr0_base + MCCR0); + mccr0 = Ser4MCCR0 & ~0x0000007f; + mccr0 |= divisor; + Ser4MCCR0 = mccr0; } /* @@ -79,16 +71,12 @@ mcp_sa11x0_write(struct mcp *mcp, unsigned int reg, unsigned int val) { int ret = -ETIME; int i; - u32 mcpreg; - struct mcp_sa11x0 *priv = priv(mcp); - mcpreg = reg << 17 | MCDR2_Wr | (val & 0xffff); - __raw_writel(mcpreg, priv->mccr0_base + MCDR2); + Ser4MCDR2 = reg << 17 | MCDR2_Wr | (val & 0xffff); for (i = 0; i < 2; i++) { udelay(mcp->rw_timeout); - mcpreg = __raw_readl(priv->mccr0_base + MCSR); - if (mcpreg & MCSR_CWC) { + if (Ser4MCSR & MCSR_CWC) { ret = 0; break; } @@ -109,18 +97,13 @@ mcp_sa11x0_read(struct mcp *mcp, unsigned int reg) { int ret = -ETIME; int i; - u32 mcpreg; - struct mcp_sa11x0 *priv = priv(mcp); - mcpreg = reg << 17 | MCDR2_Rd; - __raw_writel(mcpreg, priv->mccr0_base + MCDR2); + Ser4MCDR2 = reg << 17 | MCDR2_Rd; for (i = 0; i < 2; i++) { udelay(mcp->rw_timeout); - mcpreg = __raw_readl(priv->mccr0_base + MCSR); - if (mcpreg & MCSR_CRC) { - ret = __raw_readl(priv->mccr0_base + MCDR2) - & 0xffff; + if (Ser4MCSR & MCSR_CRC) { + ret = Ser4MCDR2 & 0xffff; break; } } @@ -133,19 +116,13 @@ mcp_sa11x0_read(struct mcp *mcp, unsigned int reg) static void mcp_sa11x0_enable(struct mcp *mcp) { - struct mcp_sa11x0 *priv = priv(mcp); - - __raw_writel(-1, priv->mccr0_base + MCSR); - priv->mccr0 |= MCCR0_MCE; - __raw_writel(priv->mccr0, priv->mccr0_base + MCCR0); + Ser4MCSR = -1; + Ser4MCCR0 |= MCCR0_MCE; } static void mcp_sa11x0_disable(struct mcp *mcp) { - struct mcp_sa11x0 *priv = priv(mcp); - - priv->mccr0 &= ~MCCR0_MCE; - __raw_writel(priv->mccr0, priv->mccr0_base + MCCR0); + Ser4MCCR0 &= ~MCCR0_MCE; } /* @@ -165,69 +142,50 @@ static int mcp_sa11x0_probe(struct platform_device *pdev) struct mcp_plat_data *data = pdev->dev.platform_data; struct mcp *mcp; int ret; - struct mcp_sa11x0 *priv; - struct resource *res_mem0, *res_mem1; - u32 size0, size1; if (!data) return -ENODEV; - if (!data->codec) - return -ENODEV; - - res_mem0 = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res_mem0) - return -ENODEV; - size0 = res_mem0->end - res_mem0->start + 1; - - res_mem1 = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (!res_mem1) - return -ENODEV; - size1 = res_mem1->end - res_mem1->start + 1; - - if (!request_mem_region(res_mem0->start, size0, "sa11x0-mcp")) + if (!request_mem_region(0x80060000, 0x60, "sa11x0-mcp")) return -EBUSY; - if (!request_mem_region(res_mem1->start, size1, "sa11x0-mcp")) { - ret = -EBUSY; - goto release; - } - mcp = mcp_host_alloc(&pdev->dev, sizeof(struct mcp_sa11x0)); if (!mcp) { ret = -ENOMEM; - goto release2; + goto release; } - priv = priv(mcp); - mcp->owner = THIS_MODULE; mcp->ops = &mcp_sa11x0; mcp->sclk_rate = data->sclk_rate; - mcp->dma_audio_rd = DDAR_DevAdd(res_mem0->start + MCDR0) - + DDAR_DevRd + DDAR_Brst4 + DDAR_8BitDev; - mcp->dma_audio_wr = DDAR_DevAdd(res_mem0->start + MCDR0) - + DDAR_DevWr + DDAR_Brst4 + DDAR_8BitDev; - mcp->dma_telco_rd = DDAR_DevAdd(res_mem0->start + MCDR1) - + DDAR_DevRd + DDAR_Brst4 + DDAR_8BitDev; - mcp->dma_telco_wr = DDAR_DevAdd(res_mem0->start + MCDR1) - + DDAR_DevWr + DDAR_Brst4 + DDAR_8BitDev; - mcp->codec = data->codec; + mcp->dma_audio_rd = DMA_Ser4MCP0Rd; + mcp->dma_audio_wr = DMA_Ser4MCP0Wr; + mcp->dma_telco_rd = DMA_Ser4MCP1Rd; + mcp->dma_telco_wr = DMA_Ser4MCP1Wr; + mcp->gpio_base = data->gpio_base; platform_set_drvdata(pdev, mcp); + if (machine_is_assabet()) { + ASSABET_BCR_set(ASSABET_BCR_CODEC_RST); + } + + /* + * Setup the PPC unit correctly. + */ + PPDR &= ~PPC_RXD4; + PPDR |= PPC_TXD4 | PPC_SCLK | PPC_SFRM; + PSDR |= PPC_RXD4; + PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); + PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM); + /* * Initialise device. Note that we initially * set the sampling rate to minimum. */ - priv->mccr0_base = ioremap(res_mem0->start, size0); - priv->mccr1_base = ioremap(res_mem1->start, size1); - - __raw_writel(-1, priv->mccr0_base + MCSR); - priv->mccr1 = data->mccr1; - priv->mccr0 = data->mccr0 | 0x7f7f; - __raw_writel(priv->mccr0, priv->mccr0_base + MCCR0); - __raw_writel(priv->mccr1, priv->mccr1_base + MCCR1); + Ser4MCSR = -1; + Ser4MCCR1 = data->mccr1; + Ser4MCCR0 = data->mccr0 | 0x7f7f; /* * Calculate the read/write timeout (us) from the bit clock @@ -237,53 +195,36 @@ static int mcp_sa11x0_probe(struct platform_device *pdev) mcp->rw_timeout = (64 * 3 * 1000000 + mcp->sclk_rate - 1) / mcp->sclk_rate; - ret = mcp_host_register(mcp, data->codec_pdata); + ret = mcp_host_register(mcp); if (ret == 0) goto out; - release2: - release_mem_region(res_mem1->start, size1); release: - release_mem_region(res_mem0->start, size0); + release_mem_region(0x80060000, 0x60); platform_set_drvdata(pdev, NULL); out: return ret; } -static int mcp_sa11x0_remove(struct platform_device *pdev) +static int mcp_sa11x0_remove(struct platform_device *dev) { - struct mcp *mcp = platform_get_drvdata(pdev); - struct mcp_sa11x0 *priv = priv(mcp); - struct resource *res_mem; - u32 size; + struct mcp *mcp = platform_get_drvdata(dev); - platform_set_drvdata(pdev, NULL); + platform_set_drvdata(dev, NULL); mcp_host_unregister(mcp); + release_mem_region(0x80060000, 0x60); - res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res_mem) { - size = res_mem->end - res_mem->start + 1; - release_mem_region(res_mem->start, size); - } - res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (res_mem) { - size = res_mem->end - res_mem->start + 1; - release_mem_region(res_mem->start, size); - } - iounmap(priv->mccr0_base); - iounmap(priv->mccr1_base); return 0; } static int mcp_sa11x0_suspend(struct platform_device *dev, pm_message_t state) { struct mcp *mcp = platform_get_drvdata(dev); - struct mcp_sa11x0 *priv = priv(mcp); - u32 mccr0; - mccr0 = priv->mccr0 & ~MCCR0_MCE; - __raw_writel(mccr0, priv->mccr0_base + MCCR0); + priv(mcp)->mccr0 = Ser4MCCR0; + priv(mcp)->mccr1 = Ser4MCCR1; + Ser4MCCR0 &= ~MCCR0_MCE; return 0; } @@ -291,10 +232,9 @@ static int mcp_sa11x0_suspend(struct platform_device *dev, pm_message_t state) static int mcp_sa11x0_resume(struct platform_device *dev) { struct mcp *mcp = platform_get_drvdata(dev); - struct mcp_sa11x0 *priv = priv(mcp); - __raw_writel(priv->mccr0, priv->mccr0_base + MCCR0); - __raw_writel(priv->mccr1, priv->mccr1_base + MCCR1); + Ser4MCCR1 = priv(mcp)->mccr1; + Ser4MCCR0 = priv(mcp)->mccr0; return 0; } @@ -311,7 +251,6 @@ static struct platform_driver mcp_sa11x0_driver = { .resume = mcp_sa11x0_resume, .driver = { .name = "sa11x0-mcp", - .owner = THIS_MODULE, }, }; diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c index dda86293dc9fc0..b2d8e512d3cb00 100644 --- a/drivers/mfd/twl6040-core.c +++ b/drivers/mfd/twl6040-core.c @@ -282,6 +282,7 @@ int twl6040_power(struct twl6040 *twl6040, int on) /* Default PLL configuration after power up */ twl6040->pll = TWL6040_SYSCLK_SEL_LPPLL; twl6040->sysclk = 19200000; + twl6040->mclk = 32768; } else { /* already powered-down */ if (!twl6040->power_count) { @@ -305,6 +306,7 @@ int twl6040_power(struct twl6040 *twl6040, int on) twl6040_power_down(twl6040); } twl6040->sysclk = 0; + twl6040->mclk = 0; } out: @@ -324,23 +326,38 @@ int twl6040_set_pll(struct twl6040 *twl6040, int pll_id, hppllctl = twl6040_reg_read(twl6040, TWL6040_REG_HPPLLCTL); lppllctl = twl6040_reg_read(twl6040, TWL6040_REG_LPPLLCTL); + /* Force full reconfiguration when switching between PLL */ + if (pll_id != twl6040->pll) { + twl6040->sysclk = 0; + twl6040->mclk = 0; + } + switch (pll_id) { case TWL6040_SYSCLK_SEL_LPPLL: /* low-power PLL divider */ - switch (freq_out) { - case 17640000: - lppllctl |= TWL6040_LPLLFIN; - break; - case 19200000: - lppllctl &= ~TWL6040_LPLLFIN; - break; - default: - dev_err(twl6040->dev, - "freq_out %d not supported\n", freq_out); - ret = -EINVAL; - goto pll_out; + /* Change the sysclk configuration only if it has been canged */ + if (twl6040->sysclk != freq_out) { + switch (freq_out) { + case 17640000: + lppllctl |= TWL6040_LPLLFIN; + break; + case 19200000: + lppllctl &= ~TWL6040_LPLLFIN; + break; + default: + dev_err(twl6040->dev, + "freq_out %d not supported\n", + freq_out); + ret = -EINVAL; + goto pll_out; + } + twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, + lppllctl); } - twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); + + /* The PLL in use has not been change, we can exit */ + if (twl6040->pll == pll_id) + break; switch (freq_in) { case 32768: @@ -371,48 +388,56 @@ int twl6040_set_pll(struct twl6040 *twl6040, int pll_id, goto pll_out; } - hppllctl &= ~TWL6040_MCLK_MSK; + if (twl6040->mclk != freq_in) { + hppllctl &= ~TWL6040_MCLK_MSK; + + switch (freq_in) { + case 12000000: + /* PLL enabled, active mode */ + hppllctl |= TWL6040_MCLK_12000KHZ | + TWL6040_HPLLENA; + break; + case 19200000: + /* + * PLL disabled + * (enable PLL if MCLK jitter quality + * doesn't meet specification) + */ + hppllctl |= TWL6040_MCLK_19200KHZ; + break; + case 26000000: + /* PLL enabled, active mode */ + hppllctl |= TWL6040_MCLK_26000KHZ | + TWL6040_HPLLENA; + break; + case 38400000: + /* PLL enabled, active mode */ + hppllctl |= TWL6040_MCLK_38400KHZ | + TWL6040_HPLLENA; + break; + default: + dev_err(twl6040->dev, + "freq_in %d not supported\n", freq_in); + ret = -EINVAL; + goto pll_out; + } - switch (freq_in) { - case 12000000: - /* PLL enabled, active mode */ - hppllctl |= TWL6040_MCLK_12000KHZ | - TWL6040_HPLLENA; - break; - case 19200000: /* - * PLL disabled - * (enable PLL if MCLK jitter quality - * doesn't meet specification) + * enable clock slicer to ensure input waveform is + * square */ - hppllctl |= TWL6040_MCLK_19200KHZ; - break; - case 26000000: - /* PLL enabled, active mode */ - hppllctl |= TWL6040_MCLK_26000KHZ | - TWL6040_HPLLENA; - break; - case 38400000: - /* PLL enabled, active mode */ - hppllctl |= TWL6040_MCLK_38400KHZ | - TWL6040_HPLLENA; - break; - default: - dev_err(twl6040->dev, - "freq_in %d not supported\n", freq_in); - ret = -EINVAL; - goto pll_out; - } + hppllctl |= TWL6040_HPLLSQRENA; - /* enable clock slicer to ensure input waveform is square */ - hppllctl |= TWL6040_HPLLSQRENA; - - twl6040_reg_write(twl6040, TWL6040_REG_HPPLLCTL, hppllctl); - usleep_range(500, 700); - lppllctl |= TWL6040_HPLLSEL; - twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); - lppllctl &= ~TWL6040_LPLLENA; - twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, lppllctl); + twl6040_reg_write(twl6040, TWL6040_REG_HPPLLCTL, + hppllctl); + usleep_range(500, 700); + lppllctl |= TWL6040_HPLLSEL; + twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, + lppllctl); + lppllctl &= ~TWL6040_LPLLENA; + twl6040_reg_write(twl6040, TWL6040_REG_LPPLLCTL, + lppllctl); + } break; default: dev_err(twl6040->dev, "unknown pll id %d\n", pll_id); @@ -421,6 +446,7 @@ int twl6040_set_pll(struct twl6040 *twl6040, int pll_id, } twl6040->sysclk = freq_out; + twl6040->mclk = freq_in; twl6040->pll = pll_id; pll_out: diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c index 91c4f25e0e558f..febc90cdef7ea4 100644 --- a/drivers/mfd/ucb1x00-core.c +++ b/drivers/mfd/ucb1x00-core.c @@ -36,15 +36,6 @@ static DEFINE_MUTEX(ucb1x00_mutex); static LIST_HEAD(ucb1x00_drivers); static LIST_HEAD(ucb1x00_devices); -static struct mcp_device_id ucb1x00_id[] = { - { "ucb1x00", 0 }, /* auto-detection */ - { "ucb1200", UCB_ID_1200 }, - { "ucb1300", UCB_ID_1300 }, - { "tc35143", UCB_ID_TC35143 }, - { } -}; -MODULE_DEVICE_TABLE(mcp, ucb1x00_id); - /** * ucb1x00_io_set_dir - set IO direction * @ucb: UCB1x00 structure describing chip @@ -157,16 +148,22 @@ static int ucb1x00_gpio_direction_output(struct gpio_chip *chip, unsigned offset { struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio); unsigned long flags; + unsigned old, mask = 1 << offset; spin_lock_irqsave(&ucb->io_lock, flags); - ucb->io_dir |= (1 << offset); - ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir); - + old = ucb->io_out; if (value) - ucb->io_out |= 1 << offset; + ucb->io_out |= mask; else - ucb->io_out &= ~(1 << offset); - ucb1x00_reg_write(ucb, UCB_IO_DATA, ucb->io_out); + ucb->io_out &= ~mask; + + if (old != ucb->io_out) + ucb1x00_reg_write(ucb, UCB_IO_DATA, ucb->io_out); + + if (!(ucb->io_dir & mask)) { + ucb->io_dir |= mask; + ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir); + } spin_unlock_irqrestore(&ucb->io_lock, flags); return 0; @@ -536,33 +533,17 @@ static struct class ucb1x00_class = { static int ucb1x00_probe(struct mcp *mcp) { - const struct mcp_device_id *mid; struct ucb1x00 *ucb; struct ucb1x00_driver *drv; - struct ucb1x00_plat_data *pdata; unsigned int id; int ret = -ENODEV; int temp; mcp_enable(mcp); id = mcp_reg_read(mcp, UCB_ID); - mid = mcp_get_device_id(mcp); - if (mid && mid->driver_data) { - if (id != mid->driver_data) { - printk(KERN_WARNING "%s wrong ID %04x found: %04x\n", - mid->name, (unsigned int) mid->driver_data, id); - goto err_disable; - } - } else { - mid = &ucb1x00_id[1]; - while (mid->driver_data) { - if (id == mid->driver_data) - break; - mid++; - } - printk(KERN_WARNING "%s ID not found: %04x\n", - ucb1x00_id[0].name, id); + if (id != UCB_ID_1200 && id != UCB_ID_1300 && id != UCB_ID_TC35143) { + printk(KERN_WARNING "UCB1x00 ID not found: %04x\n", id); goto err_disable; } @@ -571,28 +552,28 @@ static int ucb1x00_probe(struct mcp *mcp) if (!ucb) goto err_disable; - pdata = mcp->attached_device.platform_data; + ucb->dev.class = &ucb1x00_class; ucb->dev.parent = &mcp->attached_device; - dev_set_name(&ucb->dev, mid->name); + dev_set_name(&ucb->dev, "ucb1x00"); spin_lock_init(&ucb->lock); spin_lock_init(&ucb->io_lock); sema_init(&ucb->adc_sem, 1); - ucb->id = mid; + ucb->id = id; ucb->mcp = mcp; ucb->irq = ucb1x00_detect_irq(ucb); if (ucb->irq == NO_IRQ) { - printk(KERN_ERR "%s: IRQ probe failed\n", mid->name); + printk(KERN_ERR "UCB1x00: IRQ probe failed\n"); ret = -ENODEV; goto err_free; } ucb->gpio.base = -1; - if (pdata && (pdata->gpio_base >= 0)) { + if (mcp->gpio_base != 0) { ucb->gpio.label = dev_name(&ucb->dev); - ucb->gpio.base = pdata->gpio_base; + ucb->gpio.base = mcp->gpio_base; ucb->gpio.ngpio = 10; ucb->gpio.set = ucb1x00_gpio_set; ucb->gpio.get = ucb1x00_gpio_get; @@ -605,10 +586,10 @@ static int ucb1x00_probe(struct mcp *mcp) dev_info(&ucb->dev, "gpio_base not set so no gpiolib support"); ret = request_irq(ucb->irq, ucb1x00_irq, IRQF_TRIGGER_RISING, - mid->name, ucb); + "UCB1x00", ucb); if (ret) { - printk(KERN_ERR "%s: unable to grab irq%d: %d\n", - mid->name, ucb->irq, ret); + printk(KERN_ERR "ucb1x00: unable to grab irq%d: %d\n", + ucb->irq, ret); goto err_gpio; } @@ -712,6 +693,7 @@ static int ucb1x00_resume(struct mcp *mcp) struct ucb1x00 *ucb = mcp_get_drvdata(mcp); struct ucb1x00_dev *dev; + ucb1x00_reg_write(ucb, UCB_IO_DATA, ucb->io_out); ucb1x00_reg_write(ucb, UCB_IO_DIR, ucb->io_dir); mutex_lock(&ucb1x00_mutex); list_for_each_entry(dev, &ucb->devs, dev_node) { @@ -730,7 +712,6 @@ static struct mcp_driver ucb1x00_driver = { .remove = ucb1x00_remove, .suspend = ucb1x00_suspend, .resume = ucb1x00_resume, - .id_table = ucb1x00_id, }; static int __init ucb1x00_init(void) diff --git a/drivers/mfd/ucb1x00-ts.c b/drivers/mfd/ucb1x00-ts.c index 40ec3c118868d7..63a3cbdfa3f33a 100644 --- a/drivers/mfd/ucb1x00-ts.c +++ b/drivers/mfd/ucb1x00-ts.c @@ -47,7 +47,6 @@ struct ucb1x00_ts { u16 x_res; u16 y_res; - unsigned int restart:1; unsigned int adcsync:1; }; @@ -207,15 +206,17 @@ static int ucb1x00_thread(void *_ts) { struct ucb1x00_ts *ts = _ts; DECLARE_WAITQUEUE(wait, current); + bool frozen, ignore = false; int valid = 0; set_freezable(); add_wait_queue(&ts->irq_wait, &wait); - while (!kthread_should_stop()) { + while (!kthread_freezable_should_stop(&frozen)) { unsigned int x, y, p; signed long timeout; - ts->restart = 0; + if (frozen) + ignore = true; ucb1x00_adc_enable(ts->ucb); @@ -258,7 +259,7 @@ static int ucb1x00_thread(void *_ts) * space. We therefore leave it to user space * to do any filtering they please. */ - if (!ts->restart) { + if (!ignore) { ucb1x00_ts_evt_add(ts, p, x, y); valid = 1; } @@ -267,8 +268,6 @@ static int ucb1x00_thread(void *_ts) timeout = HZ / 100; } - try_to_freeze(); - schedule_timeout(timeout); } @@ -340,26 +339,6 @@ static void ucb1x00_ts_close(struct input_dev *idev) ucb1x00_disable(ts->ucb); } -#ifdef CONFIG_PM -static int ucb1x00_ts_resume(struct ucb1x00_dev *dev) -{ - struct ucb1x00_ts *ts = dev->priv; - - if (ts->rtask != NULL) { - /* - * Restart the TS thread to ensure the - * TS interrupt mode is set up again - * after sleep. - */ - ts->restart = 1; - wake_up(&ts->irq_wait); - } - return 0; -} -#else -#define ucb1x00_ts_resume NULL -#endif - /* * Initialisation. @@ -382,7 +361,7 @@ static int ucb1x00_ts_add(struct ucb1x00_dev *dev) ts->adcsync = adcsync ? UCB_SYNC : UCB_NOSYNC; idev->name = "Touchscreen panel"; - idev->id.product = ts->ucb->id->driver_data; + idev->id.product = ts->ucb->id; idev->open = ucb1x00_ts_open; idev->close = ucb1x00_ts_close; @@ -425,7 +404,6 @@ static void ucb1x00_ts_remove(struct ucb1x00_dev *dev) static struct ucb1x00_driver ucb1x00_ts_driver = { .add = ucb1x00_ts_add, .remove = ucb1x00_ts_remove, - .resume = ucb1x00_ts_resume, }; static int __init ucb1x00_ts_init(void) diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 6a1a092db1461f..c7795096d43bc2 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -2,24 +2,14 @@ # Misc strange devices # -# This one has to live outside of the MISC_DEVICES conditional, -# because it may be selected by drivers/platform/x86/hp_accel. +menu "Misc devices" + config SENSORS_LIS3LV02D tristate depends on INPUT select INPUT_POLLDEV default n -menuconfig MISC_DEVICES - bool "Misc devices" - ---help--- - Say Y here to get to see options for device drivers from various - different categories. This option alone does not add any kernel code. - - If you say N, all options in this submenu will be skipped and disabled. - -if MISC_DEVICES - config AD525X_DPOT tristate "Analog Devices Digital Potentiometers" depends on (I2C || SPI) && SYSFS @@ -516,5 +506,4 @@ source "drivers/misc/ti-st/Kconfig" source "drivers/misc/lis3lv02d/Kconfig" source "drivers/misc/carma/Kconfig" source "drivers/misc/altera-stapl/Kconfig" - -endif # MISC_DEVICES +endmenu diff --git a/drivers/misc/c2port/c2port-duramar2150.c b/drivers/misc/c2port/c2port-duramar2150.c index 778fc3fdfb9b98..5484301d57d9f6 100644 --- a/drivers/misc/c2port/c2port-duramar2150.c +++ b/drivers/misc/c2port/c2port-duramar2150.c @@ -15,6 +15,7 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/io.h> +#include <linux/ioport.h> #include <linux/c2port.h> #define DATA_PORT 0x325 diff --git a/drivers/misc/cb710/core.c b/drivers/misc/cb710/core.c index 68cd05b6d829d1..85cc7710193c7b 100644 --- a/drivers/misc/cb710/core.c +++ b/drivers/misc/cb710/core.c @@ -245,6 +245,7 @@ static int __devinit cb710_probe(struct pci_dev *pdev, if (err) return err; + spin_lock_init(&chip->irq_lock); chip->pdev = pdev; chip->iobase = pcim_iomap_table(pdev)[0]; diff --git a/drivers/misc/cs5535-mfgpt.c b/drivers/misc/cs5535-mfgpt.c index bc685bfc4c33aa..87a390de054ce5 100644 --- a/drivers/misc/cs5535-mfgpt.c +++ b/drivers/misc/cs5535-mfgpt.c @@ -262,7 +262,7 @@ static void __init reset_all_timers(void) * In other cases (such as with VSAless OpenFirmware), the system firmware * leaves timers available for us to use. */ -static int __init scan_timers(struct cs5535_mfgpt_chip *mfgpt) +static int __devinit scan_timers(struct cs5535_mfgpt_chip *mfgpt) { struct cs5535_mfgpt_timer timer = { .chip = mfgpt }; unsigned long flags; diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c index 150cd7061b8080..28adefe70f9627 100644 --- a/drivers/misc/lkdtm.c +++ b/drivers/misc/lkdtm.c @@ -354,6 +354,7 @@ static void lkdtm_do_action(enum ctype which) static void lkdtm_handler(void) { unsigned long flags; + bool do_it = false; spin_lock_irqsave(&count_lock, flags); count--; @@ -361,10 +362,13 @@ static void lkdtm_handler(void) cp_name_to_str(cpoint), cp_type_to_str(cptype), count); if (count == 0) { - lkdtm_do_action(cptype); + do_it = true; count = cpoint_count; } spin_unlock_irqrestore(&count_lock, flags); + + if (do_it) + lkdtm_do_action(cptype); } static int lkdtm_register_cpoint(enum cname which) diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c index cd41d403c9dfa1..cb56e270da111b 100644 --- a/drivers/misc/vmw_balloon.c +++ b/drivers/misc/vmw_balloon.c @@ -314,7 +314,7 @@ static bool vmballoon_send_get_target(struct vmballoon *b, u32 *new_target) * fear that guest will need it. Host may reject some pages, we need to * check the return value and maybe submit a different page. */ -static bool vmballoon_send_lock_page(struct vmballoon *b, unsigned long pfn, +static int vmballoon_send_lock_page(struct vmballoon *b, unsigned long pfn, unsigned int *hv_status) { unsigned long status, dummy; @@ -322,17 +322,17 @@ static bool vmballoon_send_lock_page(struct vmballoon *b, unsigned long pfn, pfn32 = (u32)pfn; if (pfn32 != pfn) - return false; + return -1; STATS_INC(b->stats.lock); *hv_status = status = VMWARE_BALLOON_CMD(LOCK, pfn, dummy); if (vmballoon_check_status(b, status)) - return true; + return 0; pr_debug("%s - ppn %lx, hv returns %ld\n", __func__, pfn, status); STATS_INC(b->stats.lock_fail); - return false; + return 1; } /* @@ -411,7 +411,7 @@ static int vmballoon_reserve_page(struct vmballoon *b, bool can_sleep) struct page *page; gfp_t flags; unsigned int hv_status; - bool locked = false; + int locked; flags = can_sleep ? VMW_PAGE_ALLOC_CANSLEEP : VMW_PAGE_ALLOC_NOSLEEP; do { @@ -431,7 +431,7 @@ static int vmballoon_reserve_page(struct vmballoon *b, bool can_sleep) /* inform monitor */ locked = vmballoon_send_lock_page(b, page_to_pfn(page), &hv_status); - if (!locked) { + if (locked > 0) { STATS_INC(b->stats.refused_alloc); if (hv_status == VMW_BALLOON_ERROR_RESET || @@ -449,7 +449,7 @@ static int vmballoon_reserve_page(struct vmballoon *b, bool can_sleep) if (++b->n_refused_pages >= VMW_BALLOON_MAX_REFUSED) return -EIO; } - } while (!locked); + } while (locked != 0); /* track allocated page */ list_add(&page->lru, &b->pages); diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index cf444b0ca2cc81..00fcbed1afd28b 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -477,7 +477,6 @@ config MMC_SDHI config MMC_CB710 tristate "ENE CB710 MMC/SD Interface support" depends on PCI - select MISC_DEVICES select CB710_CORE help This option enables support for MMC/SD part of ENE CB710/720 Flash diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 6ae9ca01388b76..9a9ce71a71fcbb 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -119,7 +119,7 @@ static int mtd_cls_suspend(struct device *dev, pm_message_t state) { struct mtd_info *mtd = dev_get_drvdata(dev); - return mtd_suspend(mtd); + return mtd ? mtd_suspend(mtd) : 0; } static int mtd_cls_resume(struct device *dev) diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index 4dd056e2e16ac3..35b4fb55dbd656 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -161,6 +161,37 @@ static int atmel_nand_device_ready(struct mtd_info *mtd) !!host->board->rdy_pin_active_low; } +/* + * Minimal-overhead PIO for data access. + */ +static void atmel_read_buf8(struct mtd_info *mtd, u8 *buf, int len) +{ + struct nand_chip *nand_chip = mtd->priv; + + __raw_readsb(nand_chip->IO_ADDR_R, buf, len); +} + +static void atmel_read_buf16(struct mtd_info *mtd, u8 *buf, int len) +{ + struct nand_chip *nand_chip = mtd->priv; + + __raw_readsw(nand_chip->IO_ADDR_R, buf, len / 2); +} + +static void atmel_write_buf8(struct mtd_info *mtd, const u8 *buf, int len) +{ + struct nand_chip *nand_chip = mtd->priv; + + __raw_writesb(nand_chip->IO_ADDR_W, buf, len); +} + +static void atmel_write_buf16(struct mtd_info *mtd, const u8 *buf, int len) +{ + struct nand_chip *nand_chip = mtd->priv; + + __raw_writesw(nand_chip->IO_ADDR_W, buf, len / 2); +} + static void dma_complete_func(void *completion) { complete(completion); @@ -235,27 +266,33 @@ err_buf: static void atmel_read_buf(struct mtd_info *mtd, u8 *buf, int len) { struct nand_chip *chip = mtd->priv; + struct atmel_nand_host *host = chip->priv; if (use_dma && len > mtd->oobsize) /* only use DMA for bigger than oob size: better performances */ if (atmel_nand_dma_op(mtd, buf, len, 1) == 0) return; - /* if no DMA operation possible, use PIO */ - memcpy_fromio(buf, chip->IO_ADDR_R, len); + if (host->board->bus_width_16) + atmel_read_buf16(mtd, buf, len); + else + atmel_read_buf8(mtd, buf, len); } static void atmel_write_buf(struct mtd_info *mtd, const u8 *buf, int len) { struct nand_chip *chip = mtd->priv; + struct atmel_nand_host *host = chip->priv; if (use_dma && len > mtd->oobsize) /* only use DMA for bigger than oob size: better performances */ if (atmel_nand_dma_op(mtd, (void *)buf, len, 0) == 0) return; - /* if no DMA operation possible, use PIO */ - memcpy_toio(chip->IO_ADDR_W, buf, len); + if (host->board->bus_width_16) + atmel_write_buf16(mtd, buf, len); + else + atmel_write_buf8(mtd, buf, len); } /* diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c index 7f680420bfab60..7db6555ed3ba63 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c @@ -69,17 +69,19 @@ static int clear_poll_bit(void __iomem *addr, u32 mask) * [1] enable the module. * [2] reset the module. * - * In most of the cases, it's ok. But there is a hardware bug in the BCH block. + * In most of the cases, it's ok. + * But in MX23, there is a hardware bug in the BCH block (see erratum #2847). * If you try to soft reset the BCH block, it becomes unusable until * the next hard reset. This case occurs in the NAND boot mode. When the board * boots by NAND, the ROM of the chip will initialize the BCH blocks itself. * So If the driver tries to reset the BCH again, the BCH will not work anymore. - * You will see a DMA timeout in this case. + * You will see a DMA timeout in this case. The bug has been fixed + * in the following chips, such as MX28. * * To avoid this bug, just add a new parameter `just_enable` for * the mxs_reset_block(), and rewrite it here. */ -int gpmi_reset_block(void __iomem *reset_addr, bool just_enable) +static int gpmi_reset_block(void __iomem *reset_addr, bool just_enable) { int ret; int timeout = 0x400; @@ -206,7 +208,15 @@ int bch_set_geometry(struct gpmi_nand_data *this) if (ret) goto err_out; - ret = gpmi_reset_block(r->bch_regs, true); + /* + * Due to erratum #2847 of the MX23, the BCH cannot be soft reset on this + * chip, otherwise it will lock up. So we skip resetting BCH on the MX23. + * On the other hand, the MX28 needs the reset, because one case has been + * seen where the BCH produced ECC errors constantly after 10000 + * consecutive reboots. The latter case has not been seen on the MX23 yet, + * still we don't know if it could happen there as well. + */ + ret = gpmi_reset_block(r->bch_regs, GPMI_IS_MX23(this)); if (ret) goto err_out; diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 35b4565050f143..8a393f9e6027d1 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2588,7 +2588,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr, instr->state = MTD_ERASING; while (len) { - /* Heck if we have a bad block, we do not erase bad blocks! */ + /* Check if we have a bad block, we do not erase bad blocks! */ if (nand_block_checkbad(mtd, ((loff_t) page) << chip->page_shift, 0, allowbbt)) { pr_warn("%s: attempt to erase a bad block at page 0x%08x\n", diff --git a/drivers/net/can/cc770/cc770.c b/drivers/net/can/cc770/cc770.c index 766896747643d9..c30f0e6f104875 100644 --- a/drivers/net/can/cc770/cc770.c +++ b/drivers/net/can/cc770/cc770.c @@ -440,12 +440,14 @@ static netdev_tx_t cc770_start_xmit(struct sk_buff *skb, struct net_device *dev) for (i = 0; i < dlc; i++) cc770_write_reg(priv, msgobj[mo].data[i], cf->data[i]); + /* Store echo skb before starting the transfer */ + can_put_echo_skb(skb, dev, 0); + cc770_write_reg(priv, msgobj[mo].ctrl1, RMTPND_RES | TXRQST_SET | CPUUPD_RES | NEWDAT_UNC); stats->tx_bytes += dlc; - can_put_echo_skb(skb, dev, 0); /* * HM: We had some cases of repeated IRQs so make sure the diff --git a/drivers/net/can/cc770/cc770_isa.c b/drivers/net/can/cc770/cc770_isa.c index 4be5fe2c40a5dd..9f3a25ccd66536 100644 --- a/drivers/net/can/cc770/cc770_isa.c +++ b/drivers/net/can/cc770/cc770_isa.c @@ -110,6 +110,11 @@ MODULE_PARM_DESC(bcr, "Bus configuration register (default=0x40 [CBY])"); #define CC770_IOSIZE 0x20 #define CC770_IOSIZE_INDIRECT 0x02 +/* Spinlock for cc770_isa_port_write_reg_indirect + * and cc770_isa_port_read_reg_indirect + */ +static DEFINE_SPINLOCK(cc770_isa_port_lock); + static struct platform_device *cc770_isa_devs[MAXDEV]; static u8 cc770_isa_mem_read_reg(const struct cc770_priv *priv, int reg) @@ -138,18 +143,27 @@ static u8 cc770_isa_port_read_reg_indirect(const struct cc770_priv *priv, int reg) { unsigned long base = (unsigned long)priv->reg_base; + unsigned long flags; + u8 val; + spin_lock_irqsave(&cc770_isa_port_lock, flags); outb(reg, base); - return inb(base + 1); + val = inb(base + 1); + spin_unlock_irqrestore(&cc770_isa_port_lock, flags); + + return val; } static void cc770_isa_port_write_reg_indirect(const struct cc770_priv *priv, int reg, u8 val) { unsigned long base = (unsigned long)priv->reg_base; + unsigned long flags; + spin_lock_irqsave(&cc770_isa_port_lock, flags); outb(reg, base); outb(val, base + 1); + spin_unlock_irqrestore(&cc770_isa_port_lock, flags); } static int __devinit cc770_isa_probe(struct platform_device *pdev) diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 7fd8089946fb96..96d235799ec1f2 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -118,6 +118,9 @@ (FLEXCAN_ESR_TWRN_INT | FLEXCAN_ESR_RWRN_INT | FLEXCAN_ESR_BOFF_INT) #define FLEXCAN_ESR_ERR_ALL \ (FLEXCAN_ESR_ERR_BUS | FLEXCAN_ESR_ERR_STATE) +#define FLEXCAN_ESR_ALL_INT \ + (FLEXCAN_ESR_TWRN_INT | FLEXCAN_ESR_RWRN_INT | \ + FLEXCAN_ESR_BOFF_INT | FLEXCAN_ESR_ERR_INT) /* FLEXCAN interrupt flag register (IFLAG) bits */ #define FLEXCAN_TX_BUF_ID 8 @@ -577,7 +580,9 @@ static irqreturn_t flexcan_irq(int irq, void *dev_id) reg_iflag1 = flexcan_read(®s->iflag1); reg_esr = flexcan_read(®s->esr); - flexcan_write(FLEXCAN_ESR_ERR_INT, ®s->esr); /* ACK err IRQ */ + /* ACK all bus error and state change IRQ sources */ + if (reg_esr & FLEXCAN_ESR_ALL_INT) + flexcan_write(reg_esr & FLEXCAN_ESR_ALL_INT, ®s->esr); /* * schedule NAPI in case of: diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c index d11fbb2b95ffe3..6edc25e0dd1525 100644 --- a/drivers/net/can/pch_can.c +++ b/drivers/net/can/pch_can.c @@ -66,6 +66,7 @@ #define PCH_IF_CREQ_BUSY BIT(15) #define PCH_STATUS_INT 0x8000 +#define PCH_RP 0x00008000 #define PCH_REC 0x00007f00 #define PCH_TEC 0x000000ff @@ -527,7 +528,7 @@ static void pch_can_error(struct net_device *ndev, u32 status) priv->can.can_stats.error_passive++; state = CAN_STATE_ERROR_PASSIVE; cf->can_id |= CAN_ERR_CRTL; - if (((errc & PCH_REC) >> 8) > 127) + if (errc & PCH_RP) cf->data[1] |= CAN_ERR_CRTL_RX_PASSIVE; if ((errc & PCH_TEC) > 127) cf->data[1] |= CAN_ERR_CRTL_TX_PASSIVE; diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c index 2c7f5036f570fd..214795945bc449 100644 --- a/drivers/net/can/sja1000/peak_pci.c +++ b/drivers/net/can/sja1000/peak_pci.c @@ -39,9 +39,9 @@ MODULE_LICENSE("GPL v2"); #define DRV_NAME "peak_pci" struct peak_pci_chan { - void __iomem *cfg_base; /* Common for all channels */ - struct net_device *next_dev; /* Chain of network devices */ - u16 icr_mask; /* Interrupt mask for fast ack */ + void __iomem *cfg_base; /* Common for all channels */ + struct net_device *prev_dev; /* Chain of network devices */ + u16 icr_mask; /* Interrupt mask for fast ack */ }; #define PEAK_PCI_CAN_CLOCK (16000000 / 2) @@ -98,7 +98,7 @@ static int __devinit peak_pci_probe(struct pci_dev *pdev, { struct sja1000_priv *priv; struct peak_pci_chan *chan; - struct net_device *dev, *dev0 = NULL; + struct net_device *dev; void __iomem *cfg_base, *reg_base; u16 sub_sys_id, icr; int i, err, channels; @@ -196,18 +196,14 @@ static int __devinit peak_pci_probe(struct pci_dev *pdev, } /* Create chain of SJA1000 devices */ - if (i == 0) - dev0 = dev; - else - chan->next_dev = dev; + chan->prev_dev = pci_get_drvdata(pdev); + pci_set_drvdata(pdev, dev); dev_info(&pdev->dev, "%s at reg_base=0x%p cfg_base=0x%p irq=%d\n", dev->name, priv->reg_base, chan->cfg_base, dev->irq); } - pci_set_drvdata(pdev, dev0); - /* Enable interrupts */ writew(icr, cfg_base + PITA_ICR + 2); @@ -217,12 +213,11 @@ failure_remove_channels: /* Disable interrupts */ writew(0x0, cfg_base + PITA_ICR + 2); - for (dev = dev0; dev; dev = chan->next_dev) { + for (dev = pci_get_drvdata(pdev); dev; dev = chan->prev_dev) { unregister_sja1000dev(dev); free_sja1000dev(dev); priv = netdev_priv(dev); chan = priv->priv; - dev = chan->next_dev; } pci_iounmap(pdev, reg_base); @@ -241,7 +236,7 @@ failure_disable_pci: static void __devexit peak_pci_remove(struct pci_dev *pdev) { - struct net_device *dev = pci_get_drvdata(pdev); /* First device */ + struct net_device *dev = pci_get_drvdata(pdev); /* Last device */ struct sja1000_priv *priv = netdev_priv(dev); struct peak_pci_chan *chan = priv->priv; void __iomem *cfg_base = chan->cfg_base; @@ -255,7 +250,7 @@ static void __devexit peak_pci_remove(struct pci_dev *pdev) dev_info(&pdev->dev, "removing device %s\n", dev->name); unregister_sja1000dev(dev); free_sja1000dev(dev); - dev = chan->next_dev; + dev = chan->prev_dev; if (!dev) break; priv = netdev_priv(dev); diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index df809e3f130eed..5a2e1e3588a194 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -745,9 +745,10 @@ static int ti_hecc_error(struct net_device *ndev, int int_status, } } - netif_receive_skb(skb); + netif_rx(skb); stats->rx_packets++; stats->rx_bytes += cf->can_dlc; + return 0; } diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c index 9697c14b8dc6b3..7dae64d44e83f7 100644 --- a/drivers/net/can/usb/ems_usb.c +++ b/drivers/net/can/usb/ems_usb.c @@ -627,9 +627,6 @@ static int ems_usb_start(struct ems_usb *dev) err = usb_submit_urb(urb, GFP_KERNEL); if (err) { - if (err == -ENODEV) - netif_device_detach(dev->netdev); - usb_unanchor_urb(urb); usb_free_coherent(dev->udev, RX_BUFFER_SIZE, buf, urb->transfer_dma); @@ -659,9 +656,6 @@ static int ems_usb_start(struct ems_usb *dev) err = usb_submit_urb(dev->intr_urb, GFP_KERNEL); if (err) { - if (err == -ENODEV) - netif_device_detach(dev->netdev); - dev_warn(netdev->dev.parent, "intr URB submit failed: %d\n", err); @@ -692,9 +686,6 @@ static int ems_usb_start(struct ems_usb *dev) return 0; failed: - if (err == -ENODEV) - netif_device_detach(dev->netdev); - dev_warn(netdev->dev.parent, "couldn't submit control: %d\n", err); return err; diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c index 8153a3e0a1a445..f9b74c0a84926e 100644 --- a/drivers/net/ethernet/3com/3c59x.c +++ b/drivers/net/ethernet/3com/3c59x.c @@ -1842,7 +1842,7 @@ vortex_timer(unsigned long data) ok = 1; } - if (!netif_carrier_ok(dev)) + if (dev->flags & IFF_SLAVE || !netif_carrier_ok(dev)) next_tick = 5*HZ; if (vp->medialock) diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c index 986019b2c84907..c7ca7ec065eeea 100644 --- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c +++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c @@ -797,7 +797,7 @@ static int bcm_enet_open(struct net_device *dev) if (priv->has_phy) { /* connect to PHY */ snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, - priv->mac_id ? "1" : "0", priv->phy_id); + priv->mii_bus->id, priv->phy_id); phydev = phy_connect(dev, phy_id, bcm_enet_adjust_phy_link, 0, PHY_INTERFACE_MODE_MII); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 03f3935fd8c2d6..7aee46983be432 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -523,7 +523,6 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, skb = build_skb(data); if (likely(skb)) { - #ifdef BNX2X_STOP_ON_ERROR if (pad + len > fp->rx_buf_size) { BNX2X_ERR("skb_put is about to fail... " @@ -557,7 +556,7 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, return; } - + kfree(new_data); drop: /* drop the packet and keep the buffer in the bin */ DP(NETIF_MSG_RX_STATUS, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 1e3f978ee6daff..254521319150e5 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -117,10 +117,6 @@ static int dropless_fc; module_param(dropless_fc, int, 0); MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring"); -static int poll; -module_param(poll, int, 0); -MODULE_PARM_DESC(poll, " Use polling (for debug)"); - static int mrrs = -1; module_param(mrrs, int, 0); MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)"); @@ -4834,20 +4830,11 @@ void bnx2x_drv_pulse(struct bnx2x *bp) static void bnx2x_timer(unsigned long data) { - u8 cos; struct bnx2x *bp = (struct bnx2x *) data; if (!netif_running(bp->dev)) return; - if (poll) { - struct bnx2x_fastpath *fp = &bp->fp[0]; - - for_each_cos_in_tx_queue(fp, cos) - bnx2x_tx_int(bp, &fp->txdata[cos]); - bnx2x_rx_int(fp, 1000); - } - if (!BP_NOMCP(bp)) { int mb_idx = BP_FW_MB_IDX(bp); u32 drv_pulse; @@ -10063,7 +10050,6 @@ static void __devinit bnx2x_set_modes_bitmap(struct bnx2x *bp) static int __devinit bnx2x_init_bp(struct bnx2x *bp) { int func; - int timer_interval; int rc; mutex_init(&bp->port.phy_mutex); @@ -10139,8 +10125,7 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp) bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR; bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR; - timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ); - bp->current_interval = (poll ? poll : timer_interval); + bp->current_interval = CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ; init_timer(&bp->timer); bp->timer.expires = jiffies + bp->current_interval; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c index bc0121ac291e24..1adef266fcd502 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c @@ -1081,17 +1081,17 @@ static int bnx2x_storm_stats_update(struct bnx2x *bp) estats->rx_stat_ifhcinbadoctets_lo); ADD_64(fstats->total_bytes_received_hi, - tfunc->rcv_error_bytes.hi, + le32_to_cpu(tfunc->rcv_error_bytes.hi), fstats->total_bytes_received_lo, - tfunc->rcv_error_bytes.lo); + le32_to_cpu(tfunc->rcv_error_bytes.lo)); memcpy(estats, &(fstats->total_bytes_received_hi), sizeof(struct host_func_stats) - 2*sizeof(u32)); ADD_64(estats->error_bytes_received_hi, - tfunc->rcv_error_bytes.hi, + le32_to_cpu(tfunc->rcv_error_bytes.hi), estats->error_bytes_received_lo, - tfunc->rcv_error_bytes.lo); + le32_to_cpu(tfunc->rcv_error_bytes.lo)); ADD_64(estats->etherstatsoverrsizepkts_hi, estats->rx_stat_dot3statsframestoolong_hi, diff --git a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c index 9b44ec8096baa2..803ea32aa99d31 100644 --- a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c +++ b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c @@ -946,7 +946,7 @@ bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset, flash_attr = kzalloc(sizeof(struct bfa_flash_attr), GFP_KERNEL); if (!flash_attr) - return -ENOMEM; + return 0; fcomp.bnad = bnad; fcomp.comp_status = 0; @@ -958,7 +958,7 @@ bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset, if (ret != BFA_STATUS_OK) { spin_unlock_irqrestore(&bnad->bna_lock, flags); kfree(flash_attr); - goto out_err; + return 0; } spin_unlock_irqrestore(&bnad->bna_lock, flags); wait_for_completion(&fcomp.comp); @@ -978,8 +978,6 @@ bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset, } kfree(flash_attr); return flash_part; -out_err: - return -EINVAL; } static int @@ -1006,7 +1004,7 @@ bnad_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, /* Query the flash partition based on the offset */ flash_part = bnad_get_flash_partition_by_offset(bnad, eeprom->offset, &base_offset); - if (flash_part <= 0) + if (flash_part == 0) return -EFAULT; fcomp.bnad = bnad; @@ -1048,7 +1046,7 @@ bnad_set_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, /* Query the flash partition based on the offset */ flash_part = bnad_get_flash_partition_by_offset(bnad, eeprom->offset, &base_offset); - if (flash_part <= 0) + if (flash_part == 0) return -EFAULT; fcomp.bnad = bnad; diff --git a/drivers/net/ethernet/emulex/benet/be_ethtool.c b/drivers/net/ethernet/emulex/benet/be_ethtool.c index 6db6b6ae5e9b1f..802e5ddef8a8c4 100644 --- a/drivers/net/ethernet/emulex/benet/be_ethtool.c +++ b/drivers/net/ethernet/emulex/benet/be_ethtool.c @@ -716,12 +716,8 @@ static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl) { struct be_adapter *adapter = netdev_priv(netdev); - char file_name[ETHTOOL_FLASH_MAX_FILENAME]; - file_name[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0; - strcpy(file_name, efl->data); - - return be_load_fw(adapter, file_name); + return be_load_fw(adapter, efl->data); } static int diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c index 7b25e9cf13f6ff..e92ef1bd732a4f 100644 --- a/drivers/net/ethernet/freescale/fec.c +++ b/drivers/net/ethernet/freescale/fec.c @@ -986,11 +986,11 @@ static int fec_enet_mii_probe(struct net_device *ndev) printk(KERN_INFO "%s: no PHY, assuming direct connection to switch\n", ndev->name); - strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); + strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); phy_id = 0; } - snprintf(phy_name, MII_BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id); + snprintf(phy_name, sizeof(phy_name), PHY_ID_FMT, mdio_bus_id, phy_id); phy_dev = phy_connect(ndev, phy_name, &fec_enet_adjust_link, 0, fep->phy_interface); if (IS_ERR(phy_dev)) { diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 669ca3800c01a1..d94d64b5d695d1 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -4740,12 +4740,14 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake) e1000_setup_rctl(adapter); e1000_set_rx_mode(netdev); + rctl = er32(RCTL); + /* turn on all-multi mode if wake on multicast is enabled */ - if (wufc & E1000_WUFC_MC) { - rctl = er32(RCTL); + if (wufc & E1000_WUFC_MC) rctl |= E1000_RCTL_MPE; - ew32(RCTL, rctl); - } + + /* enable receives in the hardware */ + ew32(RCTL, rctl | E1000_RCTL_EN); if (hw->mac_type >= e1000_82540) { ctrl = er32(CTRL); diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index e91d73c8aa4e3e..94be6c32fa7d93 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -5012,7 +5012,8 @@ static int igb_find_enabled_vfs(struct igb_adapter *adapter) vf_devfn = pdev->devfn + 0x80; pvfdev = pci_get_device(hw->vendor_id, device_id, NULL); while (pvfdev) { - if (pvfdev->devfn == vf_devfn) + if (pvfdev->devfn == vf_devfn && + (pvfdev->bus->number >= pdev->bus->number)) vfs_found++; vf_devfn += vf_stride; pvfdev = pci_get_device(hw->vendor_id, diff --git a/drivers/net/ethernet/intel/igbvf/Makefile b/drivers/net/ethernet/intel/igbvf/Makefile index 0fa3db3dd8b664..044b0ad5fcb948 100644 --- a/drivers/net/ethernet/intel/igbvf/Makefile +++ b/drivers/net/ethernet/intel/igbvf/Makefile @@ -1,7 +1,7 @@ ################################################################################ # # Intel(R) 82576 Virtual Function Linux driver -# Copyright(c) 2009 - 2010 Intel Corporation. +# Copyright(c) 2009 - 2012 Intel Corporation. # # This program is free software; you can redistribute it and/or modify it # under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/igbvf/defines.h b/drivers/net/ethernet/intel/igbvf/defines.h index 79f2604673feaa..33f40d3474ae46 100644 --- a/drivers/net/ethernet/intel/igbvf/defines.h +++ b/drivers/net/ethernet/intel/igbvf/defines.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel(R) 82576 Virtual Function Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/igbvf/ethtool.c b/drivers/net/ethernet/intel/igbvf/ethtool.c index 2dba5344606459..db7dce2351c2ca 100644 --- a/drivers/net/ethernet/intel/igbvf/ethtool.c +++ b/drivers/net/ethernet/intel/igbvf/ethtool.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel(R) 82576 Virtual Function Linux driver - Copyright(c) 2009 - 2010 Intel Corporation. + Copyright(c) 2009 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/igbvf/igbvf.h b/drivers/net/ethernet/intel/igbvf/igbvf.h index fd4a7b780fdde3..2c6d87e4d3d98d 100644 --- a/drivers/net/ethernet/intel/igbvf/igbvf.h +++ b/drivers/net/ethernet/intel/igbvf/igbvf.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel(R) 82576 Virtual Function Linux driver - Copyright(c) 2009 - 2010 Intel Corporation. + Copyright(c) 2009 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/igbvf/mbx.c b/drivers/net/ethernet/intel/igbvf/mbx.c index 048aae248d06ab..b4b65bc9fc5dd0 100644 --- a/drivers/net/ethernet/intel/igbvf/mbx.c +++ b/drivers/net/ethernet/intel/igbvf/mbx.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel(R) 82576 Virtual Function Linux driver - Copyright(c) 2009 - 2010 Intel Corporation. + Copyright(c) 2009 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/igbvf/mbx.h b/drivers/net/ethernet/intel/igbvf/mbx.h index c2883c45d47743..24370bcb0e22dd 100644 --- a/drivers/net/ethernet/intel/igbvf/mbx.h +++ b/drivers/net/ethernet/intel/igbvf/mbx.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel(R) 82576 Virtual Function Linux driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index a4b20c865759a2..4e9141cfe81d83 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel(R) 82576 Virtual Function Linux driver - Copyright(c) 2009 - 2010 Intel Corporation. + Copyright(c) 2009 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -53,7 +53,7 @@ const char igbvf_driver_version[] = DRV_VERSION; static const char igbvf_driver_string[] = "Intel(R) Gigabit Virtual Function Network Driver"; static const char igbvf_copyright[] = - "Copyright (c) 2009 - 2011 Intel Corporation."; + "Copyright (c) 2009 - 2012 Intel Corporation."; static int igbvf_poll(struct napi_struct *napi, int budget); static void igbvf_reset(struct igbvf_adapter *); diff --git a/drivers/net/ethernet/intel/igbvf/regs.h b/drivers/net/ethernet/intel/igbvf/regs.h index 77e18d3d6b1537..7dc6341715dcd9 100644 --- a/drivers/net/ethernet/intel/igbvf/regs.h +++ b/drivers/net/ethernet/intel/igbvf/regs.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel(R) 82576 Virtual Function Linux driver - Copyright(c) 2009 - 2010 Intel Corporation. + Copyright(c) 2009 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/igbvf/vf.c b/drivers/net/ethernet/intel/igbvf/vf.c index af3822f9ea9a28..19551977b352c1 100644 --- a/drivers/net/ethernet/intel/igbvf/vf.c +++ b/drivers/net/ethernet/intel/igbvf/vf.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel(R) 82576 Virtual Function Linux driver - Copyright(c) 2009 - 2010 Intel Corporation. + Copyright(c) 2009 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/igbvf/vf.h b/drivers/net/ethernet/intel/igbvf/vf.h index d7ed58fcd9bbb3..57db3c68dfcd2f 100644 --- a/drivers/net/ethernet/intel/igbvf/vf.h +++ b/drivers/net/ethernet/intel/igbvf/vf.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel(R) 82576 Virtual Function Linux driver - Copyright(c) 2009 - 2010 Intel Corporation. + Copyright(c) 2009 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/Makefile b/drivers/net/ethernet/intel/ixgbe/Makefile index 7d7387fbdecd33..7a16177a12a5c1 100644 --- a/drivers/net/ethernet/intel/ixgbe/Makefile +++ b/drivers/net/ethernet/intel/ixgbe/Makefile @@ -1,7 +1,7 @@ ################################################################################ # # Intel 10 Gigabit PCI Express Linux driver -# Copyright(c) 1999 - 2010 Intel Corporation. +# Copyright(c) 1999 - 2012 Intel Corporation. # # This program is free software; you can redistribute it and/or modify it # under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index 258164d6d45a1d..e6aeb64105a49a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c index ef2afefb0cd49d..b406c367b19074 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c index 772072147bea6f..4e59083a3de240 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c index a3aa6333073f07..383b9413292e8b 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h index 863f9c1f145baa..2c834c46bba15a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -75,7 +75,7 @@ s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, s32 ixgbe_enable_mc_generic(struct ixgbe_hw *hw); s32 ixgbe_disable_mc_generic(struct ixgbe_hw *hw); s32 ixgbe_enable_rx_dma_generic(struct ixgbe_hw *hw, u32 regval); -s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packtetbuf_num); +s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num); s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw); s32 ixgbe_validate_mac_addr(u8 *mac_addr); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c index 318caf4bf623cb..8bfaaee5ac5b58 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h index e162775064da35..24333b71816651 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c index fcd0e479721f79..d3695edfcb8b7c 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.h index 2f318935561a75..ba835708fcace0 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c index 32cd97bc794d1e..888a419dc3d973 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.h index a59d5dc59d046f..4dec47faeb0056 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c index da31735311f137..79a92fe987b997 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -112,6 +112,8 @@ static u8 ixgbe_dcbnl_get_state(struct net_device *netdev) static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) { u8 err = 0; + u8 prio_tc[MAX_USER_PRIORITY] = {0}; + int i; struct ixgbe_adapter *adapter = netdev_priv(netdev); /* Fail command if not in CEE mode */ @@ -122,10 +124,15 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state) if (!!state != !(adapter->flags & IXGBE_FLAG_DCB_ENABLED)) return err; - if (state > 0) + if (state > 0) { err = ixgbe_setup_tc(netdev, adapter->dcb_cfg.num_tcs.pg_tcs); - else + ixgbe_dcb_unpack_map(&adapter->dcb_cfg, DCB_TX_CONFIG, prio_tc); + } else { err = ixgbe_setup_tc(netdev, 0); + } + + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) + netdev_set_prio_tc_map(netdev, i, prio_tc[i]); return err; } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index da7e580f517ae0..a62975480e37b0 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -58,7 +58,7 @@ struct ixgbe_stats { sizeof(((struct rtnl_link_stats64 *)0)->m), \ offsetof(struct rtnl_link_stats64, m) -static struct ixgbe_stats ixgbe_gstrings_stats[] = { +static const struct ixgbe_stats ixgbe_gstrings_stats[] = { {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)}, {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)}, {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)}, @@ -120,19 +120,23 @@ static struct ixgbe_stats ixgbe_gstrings_stats[] = { #endif /* IXGBE_FCOE */ }; -#define IXGBE_QUEUE_STATS_LEN \ - ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \ - ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \ +/* ixgbe allocates num_tx_queues and num_rx_queues symmetrically so + * we set the num_rx_queues to evaluate to num_tx_queues. This is + * used because we do not have a good way to get the max number of + * rx queues with CONFIG_RPS disabled. + */ +#define IXGBE_NUM_RX_QUEUES netdev->num_tx_queues + +#define IXGBE_QUEUE_STATS_LEN ( \ + (netdev->num_tx_queues + IXGBE_NUM_RX_QUEUES) * \ (sizeof(struct ixgbe_queue_stats) / sizeof(u64))) #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats) #define IXGBE_PB_STATS_LEN ( \ - (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \ - IXGBE_FLAG_DCB_ENABLED) ? \ - (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \ - sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \ - sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \ - sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \ - / sizeof(u64) : 0) + (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \ + sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \ + sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \ + sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \ + / sizeof(u64)) #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \ IXGBE_PB_STATS_LEN + \ IXGBE_QUEUE_STATS_LEN) @@ -1078,8 +1082,15 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev, data[i] = (ixgbe_gstrings_stats[i].sizeof_stat == sizeof(u64)) ? *(u64 *)p : *(u32 *)p; } - for (j = 0; j < adapter->num_tx_queues; j++) { + for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) { ring = adapter->tx_ring[j]; + if (!ring) { + data[i] = 0; + data[i+1] = 0; + i += 2; + continue; + } + do { start = u64_stats_fetch_begin_bh(&ring->syncp); data[i] = ring->stats.packets; @@ -1087,8 +1098,15 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev, } while (u64_stats_fetch_retry_bh(&ring->syncp, start)); i += 2; } - for (j = 0; j < adapter->num_rx_queues; j++) { + for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) { ring = adapter->rx_ring[j]; + if (!ring) { + data[i] = 0; + data[i+1] = 0; + i += 2; + continue; + } + do { start = u64_stats_fetch_begin_bh(&ring->syncp); data[i] = ring->stats.packets; @@ -1096,22 +1114,20 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev, } while (u64_stats_fetch_retry_bh(&ring->syncp, start)); i += 2; } - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) { - data[i++] = adapter->stats.pxontxc[j]; - data[i++] = adapter->stats.pxofftxc[j]; - } - for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) { - data[i++] = adapter->stats.pxonrxc[j]; - data[i++] = adapter->stats.pxoffrxc[j]; - } + + for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) { + data[i++] = adapter->stats.pxontxc[j]; + data[i++] = adapter->stats.pxofftxc[j]; + } + for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) { + data[i++] = adapter->stats.pxonrxc[j]; + data[i++] = adapter->stats.pxoffrxc[j]; } } static void ixgbe_get_strings(struct net_device *netdev, u32 stringset, u8 *data) { - struct ixgbe_adapter *adapter = netdev_priv(netdev); char *p = (char *)data; int i; @@ -1126,31 +1142,29 @@ static void ixgbe_get_strings(struct net_device *netdev, u32 stringset, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } - for (i = 0; i < adapter->num_tx_queues; i++) { + for (i = 0; i < netdev->num_tx_queues; i++) { sprintf(p, "tx_queue_%u_packets", i); p += ETH_GSTRING_LEN; sprintf(p, "tx_queue_%u_bytes", i); p += ETH_GSTRING_LEN; } - for (i = 0; i < adapter->num_rx_queues; i++) { + for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) { sprintf(p, "rx_queue_%u_packets", i); p += ETH_GSTRING_LEN; sprintf(p, "rx_queue_%u_bytes", i); p += ETH_GSTRING_LEN; } - if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) { - for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) { - sprintf(p, "tx_pb_%u_pxon", i); - p += ETH_GSTRING_LEN; - sprintf(p, "tx_pb_%u_pxoff", i); - p += ETH_GSTRING_LEN; - } - for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) { - sprintf(p, "rx_pb_%u_pxon", i); - p += ETH_GSTRING_LEN; - sprintf(p, "rx_pb_%u_pxoff", i); - p += ETH_GSTRING_LEN; - } + for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) { + sprintf(p, "tx_pb_%u_pxon", i); + p += ETH_GSTRING_LEN; + sprintf(p, "tx_pb_%u_pxoff", i); + p += ETH_GSTRING_LEN; + } + for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) { + sprintf(p, "rx_pb_%u_pxon", i); + p += ETH_GSTRING_LEN; + sprintf(p, "rx_pb_%u_pxoff", i); + p += ETH_GSTRING_LEN; } /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */ break; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c index d18d6157dd2c48..4bc794249801ee 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.h index 261fd62dda1861..1dbed17c8107bf 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 1ee5d0fbb905ba..3dc6cef58107f9 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -64,7 +64,7 @@ char ixgbe_default_device_descr[] = __stringify(BUILD) "-k" const char ixgbe_driver_version[] = DRV_VERSION; static const char ixgbe_copyright[] = - "Copyright (c) 1999-2011 Intel Corporation."; + "Copyright (c) 1999-2012 Intel Corporation."; static const struct ixgbe_info *ixgbe_info_tbl[] = { [board_82598] = &ixgbe_82598_info, @@ -2633,22 +2633,22 @@ static void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter, /* * we must limit the number of descriptors so that the * total size of max desc * buf_len is not greater - * than 65535 + * than 65536 */ if (ring_is_ps_enabled(ring)) { -#if (MAX_SKB_FRAGS > 16) +#if (PAGE_SIZE < 8192) rscctrl |= IXGBE_RSCCTL_MAXDESC_16; -#elif (MAX_SKB_FRAGS > 8) +#elif (PAGE_SIZE < 16384) rscctrl |= IXGBE_RSCCTL_MAXDESC_8; -#elif (MAX_SKB_FRAGS > 4) +#elif (PAGE_SIZE < 32768) rscctrl |= IXGBE_RSCCTL_MAXDESC_4; #else rscctrl |= IXGBE_RSCCTL_MAXDESC_1; #endif } else { - if (rx_buf_len < IXGBE_RXBUFFER_4K) + if (rx_buf_len <= IXGBE_RXBUFFER_4K) rscctrl |= IXGBE_RSCCTL_MAXDESC_16; - else if (rx_buf_len < IXGBE_RXBUFFER_8K) + else if (rx_buf_len <= IXGBE_RXBUFFER_8K) rscctrl |= IXGBE_RSCCTL_MAXDESC_8; else rscctrl |= IXGBE_RSCCTL_MAXDESC_4; @@ -2830,7 +2830,7 @@ static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter) IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl | vt_reg_bits); vf_shift = adapter->num_vfs % 32; - reg_offset = (adapter->num_vfs > 32) ? 1 : 0; + reg_offset = (adapter->num_vfs >= 32) ? 1 : 0; /* Enable only the PF's pool for Tx/Rx */ IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), (1 << vf_shift)); @@ -4330,6 +4330,10 @@ static int ixgbe_set_num_queues(struct ixgbe_adapter *adapter) adapter->num_tx_queues = 1; done: + if ((adapter->netdev->reg_state == NETREG_UNREGISTERED) || + (adapter->netdev->reg_state == NETREG_UNREGISTERING)) + return 0; + /* Notify the stack of the (possibly) reduced queue counts. */ netif_set_real_num_tx_queues(adapter->netdev, adapter->num_tx_queues); return netif_set_real_num_rx_queues(adapter->netdev, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c index 3f725d48336d12..1f3e32b576a56f 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h index b239bdac38da73..310bdd96107575 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c index 7cf1e1f56c6966..b91773551a381b 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h index 197bdd13106a53..cc18165b4c05b5 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index cf6812dd143611..b01ecb4d2bb1aa 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -67,7 +67,8 @@ static int ixgbe_find_enabled_vfs(struct ixgbe_adapter *adapter) vf_devfn = pdev->devfn + 0x80; pvfdev = pci_get_device(IXGBE_INTEL_VENDOR_ID, device_id, NULL); while (pvfdev) { - if (pvfdev->devfn == vf_devfn) + if (pvfdev->devfn == vf_devfn && + (pvfdev->bus->number >= pdev->bus->number)) vfs_found++; vf_devfn += 2; pvfdev = pci_get_device(IXGBE_INTEL_VENDOR_ID, @@ -646,6 +647,9 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) ixgbe_ndo_set_vf_spoofchk(adapter->netdev, vf, false); retval = ixgbe_set_vf_macvlan(adapter, vf, index, (unsigned char *)(&msgbuf[1])); + if (retval == -ENOSPC) + e_warn(drv, "VF %d has requested a MACVLAN filter " + "but there is no space for it\n", vf); break; default: e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h index e8badab0335901..2ab38d5fda92a1 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h index 775602ef90e5d2..9b95bef6097006 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c index 8cc5eccfd65194..f838a2be8cfb91 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2011 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbevf/Makefile b/drivers/net/ethernet/intel/ixgbevf/Makefile index 1f35d229e71ad4..4ce4c97ef5ad44 100644 --- a/drivers/net/ethernet/intel/ixgbevf/Makefile +++ b/drivers/net/ethernet/intel/ixgbevf/Makefile @@ -1,7 +1,7 @@ ################################################################################ # # Intel 82599 Virtual Function driver -# Copyright(c) 1999 - 2010 Intel Corporation. +# Copyright(c) 1999 - 2012 Intel Corporation. # # This program is free software; you can redistribute it and/or modify it # under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbevf/defines.h b/drivers/net/ethernet/intel/ixgbevf/defines.h index 2eb89cb94a0d4c..947b5c830735f6 100644 --- a/drivers/net/ethernet/intel/ixgbevf/defines.h +++ b/drivers/net/ethernet/intel/ixgbevf/defines.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 82599 Virtual Function driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbevf/ethtool.c b/drivers/net/ethernet/intel/ixgbevf/ethtool.c index c857003181475e..2bfe0d1d7958cb 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ethtool.c +++ b/drivers/net/ethernet/intel/ixgbevf/ethtool.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 82599 Virtual Function driver - Copyright(c) 1999 - 2009 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h index 9075c1d610390b..dfed420a1bf6e6 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 82599 Virtual Function driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index bed411bada21bf..e51d552410ae14 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 82599 Virtual Function driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -60,7 +60,7 @@ static const char ixgbevf_driver_string[] = #define DRV_VERSION "2.2.0-k" const char ixgbevf_driver_version[] = DRV_VERSION; static char ixgbevf_copyright[] = - "Copyright (c) 2009 - 2010 Intel Corporation."; + "Copyright (c) 2009 - 2012 Intel Corporation."; static const struct ixgbevf_info *ixgbevf_info_tbl[] = { [board_82599_vf] = &ixgbevf_82599_vf_info, @@ -935,7 +935,11 @@ static irqreturn_t ixgbevf_msix_mbx(int irq, void *data) if (msg & IXGBE_VT_MSGTYPE_NACK) pr_warn("Last Request of type %2.2x to PF Nacked\n", msg & 0xFF); - goto out; + /* + * Restore the PFSTS bit in case someone is polling for a + * return message from the PF + */ + hw->mbx.v2p_mailbox |= IXGBE_VFMAILBOX_PFSTS; } /* @@ -945,7 +949,7 @@ static irqreturn_t ixgbevf_msix_mbx(int irq, void *data) */ if (got_ack) hw->mbx.v2p_mailbox |= IXGBE_VFMAILBOX_PFACK; -out: + return IRQ_HANDLED; } diff --git a/drivers/net/ethernet/intel/ixgbevf/mbx.c b/drivers/net/ethernet/intel/ixgbevf/mbx.c index 13532d9ba72de8..9c955900fe649d 100644 --- a/drivers/net/ethernet/intel/ixgbevf/mbx.c +++ b/drivers/net/ethernet/intel/ixgbevf/mbx.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 82599 Virtual Function driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbevf/mbx.h b/drivers/net/ethernet/intel/ixgbevf/mbx.h index 9d38a94a348aed..cf9131c5c1150a 100644 --- a/drivers/net/ethernet/intel/ixgbevf/mbx.h +++ b/drivers/net/ethernet/intel/ixgbevf/mbx.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 82599 Virtual Function driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbevf/regs.h b/drivers/net/ethernet/intel/ixgbevf/regs.h index 5e4d5e5cdf38dc..debd8c0e1f28df 100644 --- a/drivers/net/ethernet/intel/ixgbevf/regs.h +++ b/drivers/net/ethernet/intel/ixgbevf/regs.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 82599 Virtual Function driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.c b/drivers/net/ethernet/intel/ixgbevf/vf.c index d0138d7a31a1d6..74be7411242a25 100644 --- a/drivers/net/ethernet/intel/ixgbevf/vf.c +++ b/drivers/net/ethernet/intel/ixgbevf/vf.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 82599 Virtual Function driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -283,6 +283,17 @@ static s32 ixgbevf_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr, return ret_val; } +static void ixgbevf_write_msg_read_ack(struct ixgbe_hw *hw, + u32 *msg, u16 size) +{ + struct ixgbe_mbx_info *mbx = &hw->mbx; + u32 retmsg[IXGBE_VFMAILBOX_SIZE]; + s32 retval = mbx->ops.write_posted(hw, msg, size); + + if (!retval) + mbx->ops.read_posted(hw, retmsg, size); +} + /** * ixgbevf_update_mc_addr_list_vf - Update Multicast addresses * @hw: pointer to the HW structure @@ -294,7 +305,6 @@ static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw, struct net_device *netdev) { struct netdev_hw_addr *ha; - struct ixgbe_mbx_info *mbx = &hw->mbx; u32 msgbuf[IXGBE_VFMAILBOX_SIZE]; u16 *vector_list = (u16 *)&msgbuf[1]; u32 cnt, i; @@ -321,7 +331,7 @@ static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw, vector_list[i++] = ixgbevf_mta_vector(hw, ha->addr); } - mbx->ops.write_posted(hw, msgbuf, IXGBE_VFMAILBOX_SIZE); + ixgbevf_write_msg_read_ack(hw, msgbuf, IXGBE_VFMAILBOX_SIZE); return 0; } @@ -336,7 +346,6 @@ static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw, static s32 ixgbevf_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind, bool vlan_on) { - struct ixgbe_mbx_info *mbx = &hw->mbx; u32 msgbuf[2]; msgbuf[0] = IXGBE_VF_SET_VLAN; @@ -344,7 +353,9 @@ static s32 ixgbevf_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind, /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */ msgbuf[0] |= vlan_on << IXGBE_VT_MSGINFO_SHIFT; - return mbx->ops.write_posted(hw, msgbuf, 2); + ixgbevf_write_msg_read_ack(hw, msgbuf, 2); + + return 0; } /** diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.h b/drivers/net/ethernet/intel/ixgbevf/vf.h index d556619a92120e..25c951daee5d30 100644 --- a/drivers/net/ethernet/intel/ixgbevf/vf.h +++ b/drivers/net/ethernet/intel/ixgbevf/vf.h @@ -1,7 +1,7 @@ /******************************************************************************* Intel 82599 Virtual Function driver - Copyright(c) 1999 - 2010 Intel Corporation. + Copyright(c) 1999 - 2012 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c index edb9bda55d5561..33947ac595c04b 100644 --- a/drivers/net/ethernet/marvell/skge.c +++ b/drivers/net/ethernet/marvell/skge.c @@ -931,20 +931,17 @@ static int skge_ring_alloc(struct skge_ring *ring, void *vaddr, u32 base) } /* Allocate and setup a new buffer for receiving */ -static int skge_rx_setup(struct pci_dev *pdev, - struct skge_element *e, - struct sk_buff *skb, unsigned int bufsize) +static void skge_rx_setup(struct skge_port *skge, struct skge_element *e, + struct sk_buff *skb, unsigned int bufsize) { struct skge_rx_desc *rd = e->desc; - dma_addr_t map; + u64 map; - map = pci_map_single(pdev, skb->data, bufsize, + map = pci_map_single(skge->hw->pdev, skb->data, bufsize, PCI_DMA_FROMDEVICE); - if (pci_dma_mapping_error(pdev, map)) - goto mapping_error; - rd->dma_lo = lower_32_bits(map); - rd->dma_hi = upper_32_bits(map); + rd->dma_lo = map; + rd->dma_hi = map >> 32; e->skb = skb; rd->csum1_start = ETH_HLEN; rd->csum2_start = ETH_HLEN; @@ -956,13 +953,6 @@ static int skge_rx_setup(struct pci_dev *pdev, rd->control = BMU_OWN | BMU_STF | BMU_IRQ_EOF | BMU_TCP_CHECK | bufsize; dma_unmap_addr_set(e, mapaddr, map); dma_unmap_len_set(e, maplen, bufsize); - return 0; - -mapping_error: - if (net_ratelimit()) - dev_warn(&pdev->dev, "%s: rx mapping error\n", - skb->dev->name); - return -EIO; } /* Resume receiving using existing skb, @@ -1024,11 +1014,7 @@ static int skge_rx_fill(struct net_device *dev) return -ENOMEM; skb_reserve(skb, NET_IP_ALIGN); - if (skge_rx_setup(skge->hw->pdev, e, skb, skge->rx_buf_size)) { - kfree_skb(skb); - return -ENOMEM; - } - + skge_rx_setup(skge, e, skb, skge->rx_buf_size); } while ((e = e->next) != ring->start); ring->to_clean = ring->start; @@ -2743,7 +2729,7 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb, struct skge_tx_desc *td; int i; u32 control, len; - dma_addr_t map; + u64 map; if (skb_padto(skb, ETH_ZLEN)) return NETDEV_TX_OK; @@ -2757,14 +2743,11 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb, e->skb = skb; len = skb_headlen(skb); map = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE); - if (pci_dma_mapping_error(hw->pdev, map)) - goto mapping_error; - dma_unmap_addr_set(e, mapaddr, map); dma_unmap_len_set(e, maplen, len); - td->dma_lo = lower_32_bits(map); - td->dma_hi = upper_32_bits(map); + td->dma_lo = map; + td->dma_hi = map >> 32; if (skb->ip_summed == CHECKSUM_PARTIAL) { const int offset = skb_checksum_start_offset(skb); @@ -2795,16 +2778,14 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb, map = skb_frag_dma_map(&hw->pdev->dev, frag, 0, skb_frag_size(frag), DMA_TO_DEVICE); - if (dma_mapping_error(&hw->pdev->dev, map)) - goto mapping_unwind; e = e->next; e->skb = skb; tf = e->desc; BUG_ON(tf->control & BMU_OWN); - tf->dma_lo = lower_32_bits(map); - tf->dma_hi = upper_32_bits(map); + tf->dma_lo = map; + tf->dma_hi = (u64) map >> 32; dma_unmap_addr_set(e, mapaddr, map); dma_unmap_len_set(e, maplen, skb_frag_size(frag)); @@ -2834,28 +2815,6 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb, } return NETDEV_TX_OK; - -mapping_unwind: - /* unroll any pages that were already mapped. */ - if (e != skge->tx_ring.to_use) { - struct skge_element *u; - - for (u = skge->tx_ring.to_use->next; u != e; u = u->next) - pci_unmap_page(hw->pdev, dma_unmap_addr(u, mapaddr), - dma_unmap_len(u, maplen), - PCI_DMA_TODEVICE); - e = skge->tx_ring.to_use; - } - /* undo the mapping for the skb header */ - pci_unmap_single(hw->pdev, dma_unmap_addr(e, mapaddr), - dma_unmap_len(e, maplen), - PCI_DMA_TODEVICE); -mapping_error: - /* mapping error causes error message and packet to be discarded. */ - if (net_ratelimit()) - dev_warn(&hw->pdev->dev, "%s: tx mapping error\n", dev->name); - dev_kfree_skb(skb); - return NETDEV_TX_OK; } @@ -3099,17 +3058,13 @@ static struct sk_buff *skge_rx_get(struct net_device *dev, if (!nskb) goto resubmit; - if (unlikely(skge_rx_setup(skge->hw->pdev, e, nskb, skge->rx_buf_size))) { - dev_kfree_skb(nskb); - goto resubmit; - } - pci_unmap_single(skge->hw->pdev, dma_unmap_addr(e, mapaddr), dma_unmap_len(e, maplen), PCI_DMA_FROMDEVICE); skb = e->skb; prefetch(skb->data); + skge_rx_setup(skge, e, nskb, skge->rx_buf_size); } skb_put(skb, len); diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index 405e6ac3faf617..eaf09d4f02d08b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -1616,12 +1616,12 @@ void mlx4_multi_func_cleanup(struct mlx4_dev *dev) kfree(priv->mfunc.master.slave_state[i].vlan_filter[port]); } kfree(priv->mfunc.master.slave_state); - iounmap(priv->mfunc.comm); - dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE, - priv->mfunc.vhcr, - priv->mfunc.vhcr_dma); - priv->mfunc.vhcr = NULL; } + + iounmap(priv->mfunc.comm); + dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE, + priv->mfunc.vhcr, priv->mfunc.vhcr_dma); + priv->mfunc.vhcr = NULL; } void mlx4_cmd_cleanup(struct mlx4_dev *dev) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 467ae5824875c9..149e60da0a3287 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -892,7 +892,8 @@ void mlx4_en_free_resources(struct mlx4_en_priv *priv) for (i = 0; i < priv->rx_ring_num; i++) { if (priv->rx_ring[i].rx_info) - mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i]); + mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i], + priv->prof->rx_ring_size, priv->stride); if (priv->rx_cq[i].buf) mlx4_en_destroy_cq(priv, &priv->rx_cq[i]); } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 971d4b6b8dfee2..d4ad8c226b5115 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -168,8 +168,12 @@ static int mlx4_en_prepare_rx_desc(struct mlx4_en_priv *priv, return 0; err: - while (i--) + while (i--) { + dma_addr_t dma = be64_to_cpu(rx_desc->data[i].addr); + pci_unmap_single(priv->mdev->pdev, dma, skb_frags[i].size, + PCI_DMA_FROMDEVICE); put_page(skb_frags[i].page); + } return -ENOMEM; } @@ -380,12 +384,12 @@ err_allocator: } void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv, - struct mlx4_en_rx_ring *ring) + struct mlx4_en_rx_ring *ring, u32 size, u16 stride) { struct mlx4_en_dev *mdev = priv->mdev; mlx4_en_unmap_buffer(&ring->wqres.buf); - mlx4_free_hwq_res(mdev->dev, &ring->wqres, ring->buf_size + TXBB_SIZE); + mlx4_free_hwq_res(mdev->dev, &ring->wqres, size * stride + TXBB_SIZE); vfree(ring->rx_info); ring->rx_info = NULL; } diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index 55d7bd4e210aad..8fa41f3082cf63 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -815,8 +815,9 @@ int mlx4_init_eq_table(struct mlx4_dev *dev) int err; int i; - priv->eq_table.uar_map = kcalloc(sizeof *priv->eq_table.uar_map, - mlx4_num_eq_uar(dev), GFP_KERNEL); + priv->eq_table.uar_map = kcalloc(mlx4_num_eq_uar(dev), + sizeof *priv->eq_table.uar_map, + GFP_KERNEL); if (!priv->eq_table.uar_map) { err = -ENOMEM; goto err_out_free; diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c index 0785d9b2a26581..ca574d850b3952 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mcg.c +++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c @@ -136,7 +136,7 @@ static int new_steering_entry(struct mlx4_dev *dev, u8 port, u32 prot; int err; - s_steer = &mlx4_priv(dev)->steer[0]; + s_steer = &mlx4_priv(dev)->steer[port - 1]; new_entry = kzalloc(sizeof *new_entry, GFP_KERNEL); if (!new_entry) return -ENOMEM; @@ -220,7 +220,7 @@ static int existing_steering_entry(struct mlx4_dev *dev, u8 port, struct mlx4_promisc_qp *pqp; struct mlx4_promisc_qp *dqp; - s_steer = &mlx4_priv(dev)->steer[0]; + s_steer = &mlx4_priv(dev)->steer[port - 1]; pqp = get_promisc_qp(dev, 0, steer, qpn); if (!pqp) @@ -265,7 +265,7 @@ static bool check_duplicate_entry(struct mlx4_dev *dev, u8 port, struct mlx4_steer_index *tmp_entry, *entry = NULL; struct mlx4_promisc_qp *dqp, *tmp_dqp; - s_steer = &mlx4_priv(dev)->steer[0]; + s_steer = &mlx4_priv(dev)->steer[port - 1]; /* if qp is not promisc, it cannot be duplicated */ if (!get_promisc_qp(dev, 0, steer, qpn)) @@ -306,7 +306,7 @@ static bool can_remove_steering_entry(struct mlx4_dev *dev, u8 port, bool ret = false; int i; - s_steer = &mlx4_priv(dev)->steer[0]; + s_steer = &mlx4_priv(dev)->steer[port - 1]; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) @@ -361,7 +361,7 @@ static int add_promisc_qp(struct mlx4_dev *dev, u8 port, int err; struct mlx4_priv *priv = mlx4_priv(dev); - s_steer = &mlx4_priv(dev)->steer[0]; + s_steer = &mlx4_priv(dev)->steer[port - 1]; mutex_lock(&priv->mcg_table.mutex); @@ -466,7 +466,7 @@ static int remove_promisc_qp(struct mlx4_dev *dev, u8 port, int loc, i; int err; - s_steer = &mlx4_priv(dev)->steer[0]; + s_steer = &mlx4_priv(dev)->steer[port - 1]; mutex_lock(&priv->mcg_table.mutex); pqp = get_promisc_qp(dev, 0, steer, qpn); @@ -1004,7 +1004,7 @@ EXPORT_SYMBOL_GPL(mlx4_multicast_promisc_remove); int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port) { - if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER)) + if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER)) return 0; if (mlx4_is_mfunc(dev)) @@ -1016,7 +1016,7 @@ EXPORT_SYMBOL_GPL(mlx4_unicast_promisc_add); int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port) { - if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER)) + if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER)) return 0; if (mlx4_is_mfunc(dev)) diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 35f08840813c2b..d60335f3c47338 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -528,7 +528,8 @@ int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv, struct mlx4_en_rx_ring *ring, u32 size, u16 stride); void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv, - struct mlx4_en_rx_ring *ring); + struct mlx4_en_rx_ring *ring, + u32 size, u16 stride); int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv); void mlx4_en_deactivate_rx_ring(struct mlx4_en_priv *priv, struct mlx4_en_rx_ring *ring); diff --git a/drivers/net/ethernet/micrel/Kconfig b/drivers/net/ethernet/micrel/Kconfig index 1ea811cf515bd1..fe42fc00d8d314 100644 --- a/drivers/net/ethernet/micrel/Kconfig +++ b/drivers/net/ethernet/micrel/Kconfig @@ -42,7 +42,6 @@ config KS8851 select NET_CORE select MII select CRC32 - select MISC_DEVICES select EEPROM_93CX6 ---help--- SPI driver for Micrel KS8851 SPI attached network chip. diff --git a/drivers/net/ethernet/micrel/ks8851.c b/drivers/net/ethernet/micrel/ks8851.c index 6b35e7da9a9c7a..0c3e4005224d44 100644 --- a/drivers/net/ethernet/micrel/ks8851.c +++ b/drivers/net/ethernet/micrel/ks8851.c @@ -583,7 +583,7 @@ static void ks8851_rx_pkts(struct ks8851_net *ks) ks8851_dbg_dumpkkt(ks, rxpkt); skb->protocol = eth_type_trans(skb, ks->netdev); - netif_rx(skb); + netif_rx_ni(skb); ks->netdev->stats.rx_packets++; ks->netdev->stats.rx_bytes += rxlen; diff --git a/drivers/net/ethernet/octeon/octeon_mgmt.c b/drivers/net/ethernet/octeon/octeon_mgmt.c index 212f43b308a3c2..cd827ff4a021f7 100644 --- a/drivers/net/ethernet/octeon/octeon_mgmt.c +++ b/drivers/net/ethernet/octeon/octeon_mgmt.c @@ -670,7 +670,7 @@ static void octeon_mgmt_adjust_link(struct net_device *netdev) static int octeon_mgmt_init_phy(struct net_device *netdev) { struct octeon_mgmt *p = netdev_priv(netdev); - char phy_id[20]; + char phy_id[MII_BUS_ID_SIZE + 3]; if (octeon_is_simulation()) { /* No PHYs in the simulator. */ @@ -678,7 +678,7 @@ static int octeon_mgmt_init_phy(struct net_device *netdev) return 0; } - snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, "0", p->port); + snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, "mdio-octeon-0", p->port); p->phydev = phy_connect(netdev, phy_id, octeon_mgmt_adjust_link, 0, PHY_INTERFACE_MODE_MII); diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 813d41c4a84550..87b650131774ae 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -38,6 +38,7 @@ #include <linux/pm_runtime.h> #include <linux/slab.h> #include <linux/ethtool.h> +#include <linux/if_vlan.h> #include <linux/sh_eth.h> #include "sh_eth.h" @@ -817,7 +818,8 @@ static int sh_eth_dev_init(struct net_device *ndev) sh_eth_write(ndev, 0, TRIMD); /* Recv frame limit set register */ - sh_eth_write(ndev, RFLR_VALUE, RFLR); + sh_eth_write(ndev, ndev->mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN, + RFLR); sh_eth_write(ndev, sh_eth_read(ndev, EESR), EESR); sh_eth_write(ndev, mdp->cd->eesipr_value, EESIPR); diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h index 47877b13ffada6..cdbd844662a76b 100644 --- a/drivers/net/ethernet/renesas/sh_eth.h +++ b/drivers/net/ethernet/renesas/sh_eth.h @@ -575,9 +575,6 @@ enum RPADIR_BIT { RPADIR_PADR = 0x0003f, }; -/* RFLR */ -#define RFLR_VALUE 0x1000 - /* FDR */ #define DEFAULT_FDR_INIT 0x00000707 diff --git a/drivers/net/ethernet/ti/cpmac.c b/drivers/net/ethernet/ti/cpmac.c index 4d9a28ffd3c3ac..cbc8df78d84bf6 100644 --- a/drivers/net/ethernet/ti/cpmac.c +++ b/drivers/net/ethernet/ti/cpmac.c @@ -1122,7 +1122,7 @@ static int __devinit cpmac_probe(struct platform_device *pdev) pdata = pdev->dev.platform_data; if (external_switch || dumb_switch) { - strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */ + strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); /* fixed phys bus */ phy_id = pdev->id; } else { for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) { @@ -1138,7 +1138,7 @@ static int __devinit cpmac_probe(struct platform_device *pdev) if (phy_id == PHY_MAX_ADDR) { dev_err(&pdev->dev, "no PHY present, falling back " "to switch on MDIO bus 0\n"); - strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */ + strncpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); /* fixed phys bus */ phy_id = pdev->id; } diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index 794ac30a577b61..4fa0bcb25dfc0d 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -1600,8 +1600,9 @@ static int emac_dev_open(struct net_device *ndev) if (IS_ERR(priv->phydev)) { dev_err(emac_dev, "could not connect to phy %s\n", priv->phy_id); + ret = PTR_ERR(priv->phydev); priv->phydev = NULL; - return PTR_ERR(priv->phydev); + return ret; } priv->link = 0; diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c index ef7c9c17bfffcc..af8b8fc39eb2c0 100644 --- a/drivers/net/ethernet/ti/davinci_mdio.c +++ b/drivers/net/ethernet/ti/davinci_mdio.c @@ -318,9 +318,9 @@ static int __devinit davinci_mdio_probe(struct platform_device *pdev) data->clk = clk_get(dev, NULL); if (IS_ERR(data->clk)) { - data->clk = NULL; dev_err(dev, "failed to get device clock\n"); ret = PTR_ERR(data->clk); + data->clk = NULL; goto bail_out; } diff --git a/drivers/net/ethernet/toshiba/Kconfig b/drivers/net/ethernet/toshiba/Kconfig index 0517647045594c..74acb5cf6099b2 100644 --- a/drivers/net/ethernet/toshiba/Kconfig +++ b/drivers/net/ethernet/toshiba/Kconfig @@ -5,7 +5,7 @@ config NET_VENDOR_TOSHIBA bool "Toshiba devices" default y - depends on PCI && (PPC_IBM_CELL_BLADE || PPC_CELLEB) || PPC_PS3 + depends on PCI && (PPC_IBM_CELL_BLADE || PPC_CELLEB || MIPS) || PPC_PS3 ---help--- If you have a network (Ethernet) card belonging to this class, say Y and read the Ethernet-HOWTO, available from diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c index 4128d6b8cc28d0..cb35b14b73bb24 100644 --- a/drivers/net/ethernet/via/via-velocity.c +++ b/drivers/net/ethernet/via/via-velocity.c @@ -2491,9 +2491,6 @@ static int velocity_close(struct net_device *dev) if (dev->irq != 0) free_irq(dev->irq, dev); - /* Power down the chip */ - pci_set_power_state(vptr->pdev, PCI_D3hot); - velocity_free_rings(vptr); vptr->flags &= (~VELOCITY_FLAGS_OPENED); diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c index 72a854f05bb804..41a8b5a9849e00 100644 --- a/drivers/net/ethernet/xscale/ixp4xx_eth.c +++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c @@ -1416,7 +1416,8 @@ static int __devinit eth_init_one(struct platform_device *pdev) __raw_writel(DEFAULT_CORE_CNTRL, &port->regs->core_control); udelay(50); - snprintf(phy_id, MII_BUS_ID_SIZE + 3, PHY_ID_FMT, "0", plat->phy); + snprintf(phy_id, MII_BUS_ID_SIZE + 3, PHY_ID_FMT, + mdio_bus->id, plat->phy); port->phydev = phy_connect(dev, phy_id, &ixp4xx_adjust_link, 0, PHY_INTERFACE_MODE_MII); if (IS_ERR(port->phydev)) { diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 1a1ca6cfc74aad..466c58a7353dba 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -123,7 +123,7 @@ static int netvsc_close(struct net_device *net) struct hv_device *device_obj = net_device_ctx->device_ctx; int ret; - netif_stop_queue(net); + netif_tx_disable(net); ret = rndis_filter_close(device_obj); if (ret != 0) @@ -151,10 +151,10 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) int ret; unsigned int i, num_pages, npg_data; - /* Add multipage for skb->data and additional one for RNDIS */ + /* Add multipages for skb->data and additional 2 for RNDIS */ npg_data = (((unsigned long)skb->data + skb_headlen(skb) - 1) >> PAGE_SHIFT) - ((unsigned long)skb->data >> PAGE_SHIFT) + 1; - num_pages = skb_shinfo(skb)->nr_frags + npg_data + 1; + num_pages = skb_shinfo(skb)->nr_frags + npg_data + 2; /* Allocate a netvsc packet based on # of frags. */ packet = kzalloc(sizeof(struct hv_netvsc_packet) + @@ -173,8 +173,8 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) sizeof(struct hv_netvsc_packet) + (num_pages * sizeof(struct hv_page_buffer)); - /* Setup the rndis header */ - packet->page_buf_cnt = num_pages; + /* If the rndis msg goes beyond 1 page, we will add 1 later */ + packet->page_buf_cnt = num_pages - 1; /* Initialize it from the skb */ packet->total_data_buflen = skb->len; @@ -256,7 +256,7 @@ void netvsc_linkstatus_callback(struct hv_device *device_obj, schedule_delayed_work(&ndev_ctx->dwork, msecs_to_jiffies(20)); } else { netif_carrier_off(net); - netif_stop_queue(net); + netif_tx_disable(net); } } @@ -298,7 +298,7 @@ int netvsc_recv_callback(struct hv_device *device_obj, skb->ip_summed = CHECKSUM_NONE; net->stats.rx_packets++; - net->stats.rx_bytes += skb->len; + net->stats.rx_bytes += packet->total_data_buflen; /* * Pass the skb back up. Network stack will deallocate the skb when it @@ -337,7 +337,7 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu) nvdev->start_remove = true; cancel_delayed_work_sync(&ndevctx->dwork); - netif_stop_queue(ndev); + netif_tx_disable(ndev); rndis_filter_device_remove(hdev); ndev->mtu = mtu; @@ -460,7 +460,7 @@ static int netvsc_remove(struct hv_device *dev) cancel_delayed_work_sync(&ndev_ctx->dwork); /* Stop outbound asap */ - netif_stop_queue(net); + netif_tx_disable(net); unregister_netdev(net); diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index da181f9a49d1fc..133b7fbf8595b4 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -321,6 +321,25 @@ static void rndis_filter_receive_data(struct rndis_device *dev, data_offset = RNDIS_HEADER_SIZE + rndis_pkt->data_offset; pkt->total_data_buflen -= data_offset; + + /* + * Make sure we got a valid RNDIS message, now total_data_buflen + * should be the data packet size plus the trailer padding size + */ + if (pkt->total_data_buflen < rndis_pkt->data_len) { + netdev_err(dev->net_dev->ndev, "rndis message buffer " + "overflow detected (got %u, min %u)" + "...dropping this message!\n", + pkt->total_data_buflen, rndis_pkt->data_len); + return; + } + + /* + * Remove the rndis trailer padding from rndis packet message + * rndis_pkt->data_len tell us the real data length, we only copy + * the data packet to the stack, without the rndis trailer padding + */ + pkt->total_data_buflen = rndis_pkt->data_len; pkt->data = (void *)((unsigned long)pkt->data + data_offset); pkt->is_data_pkt = true; @@ -778,6 +797,19 @@ int rndis_filter_send(struct hv_device *dev, (unsigned long)rndisMessage & (PAGE_SIZE-1); pkt->page_buf[0].len = rndisMessageSize; + /* Add one page_buf if the rndis msg goes beyond page boundary */ + if (pkt->page_buf[0].offset + rndisMessageSize > PAGE_SIZE) { + int i; + for (i = pkt->page_buf_cnt; i > 1; i--) + pkt->page_buf[i] = pkt->page_buf[i-1]; + pkt->page_buf_cnt++; + pkt->page_buf[0].len = PAGE_SIZE - pkt->page_buf[0].offset; + pkt->page_buf[1].pfn = virt_to_phys((void *)((ulong) + rndisMessage + pkt->page_buf[0].len)) >> PAGE_SHIFT; + pkt->page_buf[1].offset = 0; + pkt->page_buf[1].len = rndisMessageSize - pkt->page_buf[0].len; + } + /* Save the packet send completion and context */ filterPacket->completion = pkt->completion.send.send_completion; filterPacket->completion_ctx = diff --git a/drivers/net/tokenring/Kconfig b/drivers/net/tokenring/Kconfig index c7e0149d151462..45550d42b36808 100644 --- a/drivers/net/tokenring/Kconfig +++ b/drivers/net/tokenring/Kconfig @@ -7,7 +7,6 @@ menuconfig TR bool "Token Ring driver support" depends on NETDEVICES && !UML depends on (PCI || ISA || MCA || CCW || PCMCIA) - select LLC help Token Ring is IBM's way of communication on a local network; the rest of the world uses Ethernet. To participate on a Token Ring @@ -20,6 +19,10 @@ menuconfig TR if TR +config WANT_LLC + def_bool y + select LLC + config PCMCIA_IBMTR tristate "IBM PCMCIA tokenring adapter support" depends on IBMTR!=y && PCMCIA diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 749c2a16012c58..1932029de48d67 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -1269,10 +1269,8 @@ static int pcmcia_bus_add(struct pcmcia_socket *skt) static int pcmcia_bus_early_resume(struct pcmcia_socket *skt) { - if (!verify_cis_cache(skt)) { - pcmcia_put_socket(skt); + if (!verify_cis_cache(skt)) return 0; - } dev_dbg(&skt->dev, "cis mismatch - different card\n"); diff --git a/drivers/pcmcia/sa1111_generic.c b/drivers/pcmcia/sa1111_generic.c index 59866905ea37e5..27f2fe3b7fb4a5 100644 --- a/drivers/pcmcia/sa1111_generic.c +++ b/drivers/pcmcia/sa1111_generic.c @@ -205,7 +205,8 @@ static int __devexit pcmcia_remove(struct sa1111_dev *dev) dev_set_drvdata(&dev->dev, NULL); - for (; next = s->next, s; s = next) { + for (; s; s = next) { + next = s->next; soc_pcmcia_remove_one(&s->soc); kfree(s); } diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 569bdb3ef10461..8fe15cf15ac8f2 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -510,10 +510,12 @@ static struct dentry *debugfs_root; static void pinctrl_init_device_debugfs(struct pinctrl_dev *pctldev) { - static struct dentry *device_root; + struct dentry *device_root; device_root = debugfs_create_dir(dev_name(pctldev->dev), debugfs_root); + pctldev->device_root = device_root; + if (IS_ERR(device_root) || !device_root) { pr_warn("failed to create debugfs directory for %s\n", dev_name(pctldev->dev)); @@ -529,6 +531,11 @@ static void pinctrl_init_device_debugfs(struct pinctrl_dev *pctldev) pinconf_init_device_debugfs(device_root, pctldev); } +static void pinctrl_remove_device_debugfs(struct pinctrl_dev *pctldev) +{ + debugfs_remove_recursive(pctldev->device_root); +} + static void pinctrl_init_debugfs(void) { debugfs_root = debugfs_create_dir("pinctrl", NULL); @@ -553,6 +560,10 @@ static void pinctrl_init_debugfs(void) { } +static void pinctrl_remove_device_debugfs(struct pinctrl_dev *pctldev) +{ +} + #endif /** @@ -572,40 +583,40 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc, if (pctldesc->name == NULL) return NULL; + pctldev = kzalloc(sizeof(struct pinctrl_dev), GFP_KERNEL); + if (pctldev == NULL) + return NULL; + + /* Initialize pin control device struct */ + pctldev->owner = pctldesc->owner; + pctldev->desc = pctldesc; + pctldev->driver_data = driver_data; + INIT_RADIX_TREE(&pctldev->pin_desc_tree, GFP_KERNEL); + spin_lock_init(&pctldev->pin_desc_tree_lock); + INIT_LIST_HEAD(&pctldev->gpio_ranges); + mutex_init(&pctldev->gpio_ranges_lock); + pctldev->dev = dev; + /* If we're implementing pinmuxing, check the ops for sanity */ if (pctldesc->pmxops) { - ret = pinmux_check_ops(pctldesc->pmxops); + ret = pinmux_check_ops(pctldev); if (ret) { pr_err("%s pinmux ops lacks necessary functions\n", pctldesc->name); - return NULL; + goto out_err; } } /* If we're implementing pinconfig, check the ops for sanity */ if (pctldesc->confops) { - ret = pinconf_check_ops(pctldesc->confops); + ret = pinconf_check_ops(pctldev); if (ret) { pr_err("%s pin config ops lacks necessary functions\n", pctldesc->name); - return NULL; + goto out_err; } } - pctldev = kzalloc(sizeof(struct pinctrl_dev), GFP_KERNEL); - if (pctldev == NULL) - return NULL; - - /* Initialize pin control device struct */ - pctldev->owner = pctldesc->owner; - pctldev->desc = pctldesc; - pctldev->driver_data = driver_data; - INIT_RADIX_TREE(&pctldev->pin_desc_tree, GFP_KERNEL); - spin_lock_init(&pctldev->pin_desc_tree_lock); - INIT_LIST_HEAD(&pctldev->gpio_ranges); - mutex_init(&pctldev->gpio_ranges_lock); - pctldev->dev = dev; - /* Register all the pins */ pr_debug("try to register %d pins on %s...\n", pctldesc->npins, pctldesc->name); @@ -641,6 +652,7 @@ void pinctrl_unregister(struct pinctrl_dev *pctldev) if (pctldev == NULL) return; + pinctrl_remove_device_debugfs(pctldev); pinmux_unhog_maps(pctldev); /* TODO: check that no pinmuxes are still active? */ mutex_lock(&pinctrldev_list_mutex); diff --git a/drivers/pinctrl/core.h b/drivers/pinctrl/core.h index 177a3310547f31..cfa86da6b4b15b 100644 --- a/drivers/pinctrl/core.h +++ b/drivers/pinctrl/core.h @@ -41,6 +41,9 @@ struct pinctrl_dev { struct device *dev; struct module *owner; void *driver_data; +#ifdef CONFIG_DEBUG_FS + struct dentry *device_root; +#endif #ifdef CONFIG_PINMUX struct mutex pinmux_hogs_lock; struct list_head pinmux_hogs; diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c index 1259872b0a1d64..9fb75456824c3b 100644 --- a/drivers/pinctrl/pinconf.c +++ b/drivers/pinctrl/pinconf.c @@ -205,8 +205,10 @@ int pin_config_group_set(const char *dev_name, const char *pin_group, } EXPORT_SYMBOL(pin_config_group_set); -int pinconf_check_ops(const struct pinconf_ops *ops) +int pinconf_check_ops(struct pinctrl_dev *pctldev) { + const struct pinconf_ops *ops = pctldev->desc->confops; + /* We must be able to read out pin status */ if (!ops->pin_config_get && !ops->pin_config_group_get) return -EINVAL; @@ -236,7 +238,7 @@ static int pinconf_pins_show(struct seq_file *s, void *what) seq_puts(s, "Format: pin (name): pinmux setting array\n"); /* The pin number can be retrived from the pin controller descriptor */ - for (i = 0; pin < pctldev->desc->npins; i++) { + for (i = 0; i < pctldev->desc->npins; i++) { struct pin_desc *desc; pin = pctldev->desc->pins[i].number; diff --git a/drivers/pinctrl/pinconf.h b/drivers/pinctrl/pinconf.h index e7dc6165032a35..006b77fa737e88 100644 --- a/drivers/pinctrl/pinconf.h +++ b/drivers/pinctrl/pinconf.h @@ -13,7 +13,7 @@ #ifdef CONFIG_PINCONF -int pinconf_check_ops(const struct pinconf_ops *ops); +int pinconf_check_ops(struct pinctrl_dev *pctldev); void pinconf_init_device_debugfs(struct dentry *devroot, struct pinctrl_dev *pctldev); int pin_config_get_for_pin(struct pinctrl_dev *pctldev, unsigned pin, @@ -23,7 +23,7 @@ int pin_config_set_for_pin(struct pinctrl_dev *pctldev, unsigned pin, #else -static inline int pinconf_check_ops(const struct pinconf_ops *ops) +static inline int pinconf_check_ops(struct pinctrl_dev *pctldev) { return 0; } diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c index a76a348321bb42..7c3193f7a04430 100644 --- a/drivers/pinctrl/pinmux.c +++ b/drivers/pinctrl/pinmux.c @@ -53,11 +53,6 @@ struct pinmux_group { * @dev: the device using this pinmux * @usecount: the number of active users of this mux setting, used to keep * track of nested use cases - * @pins: an array of discrete physical pins used in this mapping, taken - * from the global pin enumeration space (copied from pinmux map) - * @num_pins: the number of pins in this mapping array, i.e. the number of - * elements in .pins so we can iterate over that array (copied from - * pinmux map) * @pctldev: pin control device handling this pinmux * @func_selector: the function selector for the pinmux device handling * this pinmux @@ -152,8 +147,7 @@ static int pin_request(struct pinctrl_dev *pctldev, status = 0; if (status) - dev_err(pctldev->dev, "->request on device %s failed " - "for pin %d\n", + dev_err(pctldev->dev, "->request on device %s failed for pin %d\n", pctldev->desc->name, pin); out_free_pin: if (status) { @@ -355,21 +349,20 @@ int __init pinmux_register_mappings(struct pinmux_map const *maps, /* First sanity check the new mapping */ for (i = 0; i < num_maps; i++) { if (!maps[i].name) { - pr_err("failed to register map %d: " - "no map name given\n", i); + pr_err("failed to register map %d: no map name given\n", + i); return -EINVAL; } if (!maps[i].ctrl_dev && !maps[i].ctrl_dev_name) { - pr_err("failed to register map %s (%d): " - "no pin control device given\n", + pr_err("failed to register map %s (%d): no pin control device given\n", maps[i].name, i); return -EINVAL; } if (!maps[i].function) { - pr_err("failed to register map %s (%d): " - "no function ID given\n", maps[i].name, i); + pr_err("failed to register map %s (%d): no function ID given\n", + maps[i].name, i); return -EINVAL; } @@ -411,7 +404,7 @@ int __init pinmux_register_mappings(struct pinmux_map const *maps, } /** - * acquire_pins() - acquire all the pins for a certain funcion on a pinmux + * acquire_pins() - acquire all the pins for a certain function on a pinmux * @pctldev: the device to take the pins on * @func_selector: the function selector to acquire the pins for * @group_selector: the group selector containing the pins to acquire @@ -442,8 +435,7 @@ static int acquire_pins(struct pinctrl_dev *pctldev, ret = pin_request(pctldev, pins[i], func, NULL); if (ret) { dev_err(pctldev->dev, - "could not get pin %d for function %s " - "on device %s - conflicting mux mappings?\n", + "could not get pin %d for function %s on device %s - conflicting mux mappings?\n", pins[i], func ? : "(undefined)", pinctrl_dev_get_name(pctldev)); /* On error release all taken pins */ @@ -458,7 +450,7 @@ static int acquire_pins(struct pinctrl_dev *pctldev, /** * release_pins() - release pins taken by earlier acquirement - * @pctldev: the device to free the pinx on + * @pctldev: the device to free the pins on * @group_selector: the group selector containing the pins to free */ static void release_pins(struct pinctrl_dev *pctldev, @@ -473,8 +465,7 @@ static void release_pins(struct pinctrl_dev *pctldev, ret = pctlops->get_group_pins(pctldev, group_selector, &pins, &num_pins); if (ret) { - dev_err(pctldev->dev, "could not get pins to release for " - "group selector %d\n", + dev_err(pctldev->dev, "could not get pins to release for group selector %d\n", group_selector); return; } @@ -526,8 +517,7 @@ static int pinmux_check_pin_group(struct pinctrl_dev *pctldev, ret = pinctrl_get_group_selector(pctldev, groups[0]); if (ret < 0) { dev_err(pctldev->dev, - "function %s wants group %s but the pin " - "controller does not seem to have that group\n", + "function %s wants group %s but the pin controller does not seem to have that group\n", pmxops->get_function_name(pctldev, func_selector), groups[0]); return ret; @@ -535,8 +525,7 @@ static int pinmux_check_pin_group(struct pinctrl_dev *pctldev, if (num_groups > 1) dev_dbg(pctldev->dev, - "function %s support more than one group, " - "default-selecting first group %s (%d)\n", + "function %s support more than one group, default-selecting first group %s (%d)\n", pmxops->get_function_name(pctldev, func_selector), groups[0], ret); @@ -628,10 +617,8 @@ static int pinmux_enable_muxmap(struct pinctrl_dev *pctldev, if (pmx->pctldev && pmx->pctldev != pctldev) { dev_err(pctldev->dev, - "different pin control devices given for device %s, " - "function %s\n", - devname, - map->function); + "different pin control devices given for device %s, function %s\n", + devname, map->function); return -EINVAL; } pmx->dev = dev; @@ -695,7 +682,6 @@ static void pinmux_free_groups(struct pinmux *pmx) */ struct pinmux *pinmux_get(struct device *dev, const char *name) { - struct pinmux_map const *map = NULL; struct pinctrl_dev *pctldev = NULL; const char *devname = NULL; @@ -745,8 +731,7 @@ struct pinmux *pinmux_get(struct device *dev, const char *name) else if (map->ctrl_dev_name) devname = map->ctrl_dev_name; - pr_warning("could not find a pinctrl device for pinmux " - "function %s, fishy, they shall all have one\n", + pr_warning("could not find a pinctrl device for pinmux function %s, fishy, they shall all have one\n", map->function); pr_warning("given pinctrl device name: %s", devname ? devname : "UNDEFINED"); @@ -904,8 +889,11 @@ void pinmux_disable(struct pinmux *pmx) } EXPORT_SYMBOL_GPL(pinmux_disable); -int pinmux_check_ops(const struct pinmux_ops *ops) +int pinmux_check_ops(struct pinctrl_dev *pctldev) { + const struct pinmux_ops *ops = pctldev->desc->pmxops; + unsigned selector = 0; + /* Check that we implement required operations */ if (!ops->list_functions || !ops->get_function_name || @@ -914,6 +902,18 @@ int pinmux_check_ops(const struct pinmux_ops *ops) !ops->disable) return -EINVAL; + /* Check that all functions registered have names */ + while (ops->list_functions(pctldev, selector) >= 0) { + const char *fname = ops->get_function_name(pctldev, + selector); + if (!fname) { + pr_err("pinmux ops has no name for function%u\n", + selector); + return -EINVAL; + } + selector++; + } + return 0; } @@ -932,8 +932,8 @@ static int pinmux_hog_map(struct pinctrl_dev *pctldev, * without any problems, so then we can hog pinmuxes for * all devices that just want a static pin mux at this point. */ - dev_err(pctldev->dev, "map %s wants to hog a non-system " - "pinmux, this is not going to work\n", map->name); + dev_err(pctldev->dev, "map %s wants to hog a non-system pinmux, this is not going to work\n", + map->name); return -EINVAL; } @@ -993,9 +993,12 @@ int pinmux_hog_maps(struct pinctrl_dev *pctldev) for (i = 0; i < pinmux_maps_num; i++) { struct pinmux_map const *map = &pinmux_maps[i]; - if (((map->ctrl_dev == dev) || - !strcmp(map->ctrl_dev_name, devname)) && - map->hog_on_boot) { + if (!map->hog_on_boot) + continue; + + if ((map->ctrl_dev == dev) || + (map->ctrl_dev_name && + !strcmp(map->ctrl_dev_name, devname))) { /* OK time to hog! */ ret = pinmux_hog_map(pctldev, map); if (ret) @@ -1122,13 +1125,15 @@ static int pinmux_show(struct seq_file *s, void *what) seq_printf(s, "device: %s function: %s (%u),", pinctrl_dev_get_name(pmx->pctldev), - pmxops->get_function_name(pctldev, pmx->func_selector), + pmxops->get_function_name(pctldev, + pmx->func_selector), pmx->func_selector); seq_printf(s, " groups: ["); list_for_each_entry(grp, &pmx->groups, node) { seq_printf(s, " %s (%u)", - pctlops->get_group_name(pctldev, grp->group_selector), + pctlops->get_group_name(pctldev, + grp->group_selector), grp->group_selector); } seq_printf(s, " ]"); diff --git a/drivers/pinctrl/pinmux.h b/drivers/pinctrl/pinmux.h index 844500b3331bf8..97f52223fbc296 100644 --- a/drivers/pinctrl/pinmux.h +++ b/drivers/pinctrl/pinmux.h @@ -12,7 +12,7 @@ */ #ifdef CONFIG_PINMUX -int pinmux_check_ops(const struct pinmux_ops *ops); +int pinmux_check_ops(struct pinctrl_dev *pctldev); void pinmux_init_device_debugfs(struct dentry *devroot, struct pinctrl_dev *pctldev); void pinmux_init_debugfs(struct dentry *subsys_root); @@ -21,7 +21,7 @@ void pinmux_unhog_maps(struct pinctrl_dev *pctldev); #else -static inline int pinmux_check_ops(const struct pinmux_ops *ops) +static inline int pinmux_check_ops(struct pinctrl_dev *pctldev) { return 0; } diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index f1651eb6964807..679734d26a1696 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -35,7 +35,7 @@ static void of_get_regulation_constraints(struct device_node *np, if (constraints->min_uV != constraints->max_uV) constraints->valid_ops_mask |= REGULATOR_CHANGE_VOLTAGE; /* Only one voltage? Then make sure it's set. */ - if (constraints->min_uV == constraints->max_uV) + if (min_uV && max_uV && constraints->min_uV == constraints->max_uV) constraints->apply_uV = true; uV_offset = of_get_property(np, "regulator-microvolt-offset", NULL); diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index e19a4031f45e9b..3a125b835546e6 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -774,7 +774,7 @@ config RTC_DRV_EP93XX config RTC_DRV_SA1100 tristate "SA11x0/PXA2xx" - depends on ARCH_SA1100 || ARCH_PXA || ARCH_MMP + depends on ARCH_SA1100 || ARCH_PXA help If you say Y here you will get access to the real time clock built into your SA11x0 or PXA2xx CPU. diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c index 4595d3e645a735..cb9a585312cc76 100644 --- a/drivers/rtc/rtc-sa1100.c +++ b/drivers/rtc/rtc-sa1100.c @@ -27,42 +27,34 @@ #include <linux/init.h> #include <linux/fs.h> #include <linux/interrupt.h> +#include <linux/string.h> #include <linux/pm.h> -#include <linux/slab.h> -#include <linux/clk.h> -#include <linux/io.h> +#include <linux/bitops.h> #include <mach/hardware.h> #include <asm/irq.h> +#ifdef CONFIG_ARCH_PXA +#include <mach/regs-rtc.h> +#endif + #define RTC_DEF_DIVIDER (32768 - 1) #define RTC_DEF_TRIM 0 -#define RTC_FREQ 1024 - -#define RCNR 0x00 /* RTC Count Register */ -#define RTAR 0x04 /* RTC Alarm Register */ -#define RTSR 0x08 /* RTC Status Register */ -#define RTTR 0x0c /* RTC Timer Trim Register */ - -#define RTSR_HZE (1 << 3) /* HZ interrupt enable */ -#define RTSR_ALE (1 << 2) /* RTC alarm interrupt enable */ -#define RTSR_HZ (1 << 1) /* HZ rising-edge detected */ -#define RTSR_AL (1 << 0) /* RTC alarm detected */ - -#define rtc_readl(sa1100_rtc, reg) \ - readl_relaxed((sa1100_rtc)->base + (reg)) -#define rtc_writel(sa1100_rtc, reg, value) \ - writel_relaxed((value), (sa1100_rtc)->base + (reg)) - -struct sa1100_rtc { - struct resource *ress; - void __iomem *base; - struct clk *clk; - int irq_1Hz; - int irq_Alrm; - struct rtc_device *rtc; - spinlock_t lock; /* Protects this structure */ -}; + +static const unsigned long RTC_FREQ = 1024; +static struct rtc_time rtc_alarm; +static DEFINE_SPINLOCK(sa1100_rtc_lock); + +static inline int rtc_periodic_alarm(struct rtc_time *tm) +{ + return (tm->tm_year == -1) || + ((unsigned)tm->tm_mon >= 12) || + ((unsigned)(tm->tm_mday - 1) >= 31) || + ((unsigned)tm->tm_hour > 23) || + ((unsigned)tm->tm_min > 59) || + ((unsigned)tm->tm_sec > 59); +} + /* * Calculate the next alarm time given the requested alarm time mask * and the current time. @@ -90,26 +82,46 @@ static void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now, } } +static int rtc_update_alarm(struct rtc_time *alrm) +{ + struct rtc_time alarm_tm, now_tm; + unsigned long now, time; + int ret; + + do { + now = RCNR; + rtc_time_to_tm(now, &now_tm); + rtc_next_alarm_time(&alarm_tm, &now_tm, alrm); + ret = rtc_tm_to_time(&alarm_tm, &time); + if (ret != 0) + break; + + RTSR = RTSR & (RTSR_HZE|RTSR_ALE|RTSR_AL); + RTAR = time; + } while (now != RCNR); + + return ret; +} + static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id) { struct platform_device *pdev = to_platform_device(dev_id); - struct sa1100_rtc *sa1100_rtc = platform_get_drvdata(pdev); + struct rtc_device *rtc = platform_get_drvdata(pdev); unsigned int rtsr; unsigned long events = 0; - spin_lock(&sa1100_rtc->lock); + spin_lock(&sa1100_rtc_lock); + rtsr = RTSR; /* clear interrupt sources */ - rtsr = rtc_readl(sa1100_rtc, RTSR); - rtc_writel(sa1100_rtc, RTSR, 0); - + RTSR = 0; /* Fix for a nasty initialization problem the in SA11xx RTSR register. * See also the comments in sa1100_rtc_probe(). */ if (rtsr & (RTSR_ALE | RTSR_HZE)) { /* This is the original code, before there was the if test * above. This code does not clear interrupts that were not * enabled. */ - rtc_writel(sa1100_rtc, RTSR, (RTSR_AL | RTSR_HZ) & (rtsr >> 2)); + RTSR = (RTSR_AL | RTSR_HZ) & (rtsr >> 2); } else { /* For some reason, it is possible to enter this routine * without interruptions enabled, it has been tested with @@ -118,13 +130,13 @@ static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id) * This situation leads to an infinite "loop" of interrupt * routine calling and as a result the processor seems to * lock on its first call to open(). */ - rtc_writel(sa1100_rtc, RTSR, (RTSR_AL | RTSR_HZ)); + RTSR = RTSR_AL | RTSR_HZ; } /* clear alarm interrupt if it has occurred */ if (rtsr & RTSR_AL) rtsr &= ~RTSR_ALE; - rtc_writel(sa1100_rtc, RTSR, rtsr & (RTSR_ALE | RTSR_HZE)); + RTSR = rtsr & (RTSR_ALE | RTSR_HZE); /* update irq data & counter */ if (rtsr & RTSR_AL) @@ -132,100 +144,89 @@ static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id) if (rtsr & RTSR_HZ) events |= RTC_UF | RTC_IRQF; - rtc_update_irq(sa1100_rtc->rtc, 1, events); + rtc_update_irq(rtc, 1, events); - spin_unlock(&sa1100_rtc->lock); + if (rtsr & RTSR_AL && rtc_periodic_alarm(&rtc_alarm)) + rtc_update_alarm(&rtc_alarm); + + spin_unlock(&sa1100_rtc_lock); return IRQ_HANDLED; } static int sa1100_rtc_open(struct device *dev) { - struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); int ret; + struct platform_device *plat_dev = to_platform_device(dev); + struct rtc_device *rtc = platform_get_drvdata(plat_dev); - ret = request_irq(sa1100_rtc->irq_1Hz, sa1100_rtc_interrupt, - IRQF_DISABLED, "rtc 1Hz", dev); + ret = request_irq(IRQ_RTC1Hz, sa1100_rtc_interrupt, IRQF_DISABLED, + "rtc 1Hz", dev); if (ret) { - dev_err(dev, "IRQ %d already in use.\n", sa1100_rtc->irq_1Hz); + dev_err(dev, "IRQ %d already in use.\n", IRQ_RTC1Hz); goto fail_ui; } - ret = request_irq(sa1100_rtc->irq_Alrm, sa1100_rtc_interrupt, - IRQF_DISABLED, "rtc Alrm", dev); + ret = request_irq(IRQ_RTCAlrm, sa1100_rtc_interrupt, IRQF_DISABLED, + "rtc Alrm", dev); if (ret) { - dev_err(dev, "IRQ %d already in use.\n", sa1100_rtc->irq_Alrm); + dev_err(dev, "IRQ %d already in use.\n", IRQ_RTCAlrm); goto fail_ai; } - sa1100_rtc->rtc->max_user_freq = RTC_FREQ; - rtc_irq_set_freq(sa1100_rtc->rtc, NULL, RTC_FREQ); + rtc->max_user_freq = RTC_FREQ; + rtc_irq_set_freq(rtc, NULL, RTC_FREQ); return 0; fail_ai: - free_irq(sa1100_rtc->irq_1Hz, dev); + free_irq(IRQ_RTC1Hz, dev); fail_ui: return ret; } static void sa1100_rtc_release(struct device *dev) { - struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); - - spin_lock_irq(&sa1100_rtc->lock); - rtc_writel(sa1100_rtc, RTSR, 0); - spin_unlock_irq(&sa1100_rtc->lock); + spin_lock_irq(&sa1100_rtc_lock); + RTSR = 0; + spin_unlock_irq(&sa1100_rtc_lock); - free_irq(sa1100_rtc->irq_Alrm, dev); - free_irq(sa1100_rtc->irq_1Hz, dev); + free_irq(IRQ_RTCAlrm, dev); + free_irq(IRQ_RTC1Hz, dev); } static int sa1100_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) { - struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); - unsigned int rtsr; - - spin_lock_irq(&sa1100_rtc->lock); - - rtsr = rtc_readl(sa1100_rtc, RTSR); + spin_lock_irq(&sa1100_rtc_lock); if (enabled) - rtsr |= RTSR_ALE; + RTSR |= RTSR_ALE; else - rtsr &= ~RTSR_ALE; - rtc_writel(sa1100_rtc, RTSR, rtsr); - - spin_unlock_irq(&sa1100_rtc->lock); + RTSR &= ~RTSR_ALE; + spin_unlock_irq(&sa1100_rtc_lock); return 0; } static int sa1100_rtc_read_time(struct device *dev, struct rtc_time *tm) { - struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); - - rtc_time_to_tm(rtc_readl(sa1100_rtc, RCNR), tm); + rtc_time_to_tm(RCNR, tm); return 0; } static int sa1100_rtc_set_time(struct device *dev, struct rtc_time *tm) { - struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); unsigned long time; int ret; ret = rtc_tm_to_time(tm, &time); if (ret == 0) - rtc_writel(sa1100_rtc, RCNR, time); + RCNR = time; return ret; } static int sa1100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) { - struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); - unsigned long time; - unsigned int rtsr; + u32 rtsr; - time = rtc_readl(sa1100_rtc, RCNR); - rtc_time_to_tm(time, &alrm->time); - rtsr = rtc_readl(sa1100_rtc, RTSR); + memcpy(&alrm->time, &rtc_alarm, sizeof(struct rtc_time)); + rtsr = RTSR; alrm->enabled = (rtsr & RTSR_ALE) ? 1 : 0; alrm->pending = (rtsr & RTSR_AL) ? 1 : 0; return 0; @@ -233,39 +234,26 @@ static int sa1100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) static int sa1100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) { - struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); - struct rtc_time now_tm, alarm_tm; - unsigned long time, alarm; - unsigned int rtsr; - - spin_lock_irq(&sa1100_rtc->lock); - - time = rtc_readl(sa1100_rtc, RCNR); - rtc_time_to_tm(time, &now_tm); - rtc_next_alarm_time(&alarm_tm, &now_tm, &alrm->time); - rtc_tm_to_time(&alarm_tm, &alarm); - rtc_writel(sa1100_rtc, RTAR, alarm); - - rtsr = rtc_readl(sa1100_rtc, RTSR); - if (alrm->enabled) - rtsr |= RTSR_ALE; - else - rtsr &= ~RTSR_ALE; - rtc_writel(sa1100_rtc, RTSR, rtsr); + int ret; - spin_unlock_irq(&sa1100_rtc->lock); + spin_lock_irq(&sa1100_rtc_lock); + ret = rtc_update_alarm(&alrm->time); + if (ret == 0) { + if (alrm->enabled) + RTSR |= RTSR_ALE; + else + RTSR &= ~RTSR_ALE; + } + spin_unlock_irq(&sa1100_rtc_lock); - return 0; + return ret; } static int sa1100_rtc_proc(struct device *dev, struct seq_file *seq) { - struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); + seq_printf(seq, "trim/divider\t\t: 0x%08x\n", (u32) RTTR); + seq_printf(seq, "RTSR\t\t\t: 0x%08x\n", (u32)RTSR); - seq_printf(seq, "trim/divider\t\t: 0x%08x\n", - rtc_readl(sa1100_rtc, RTTR)); - seq_printf(seq, "RTSR\t\t\t: 0x%08x\n", - rtc_readl(sa1100_rtc, RTSR)); return 0; } @@ -282,51 +270,7 @@ static const struct rtc_class_ops sa1100_rtc_ops = { static int sa1100_rtc_probe(struct platform_device *pdev) { - struct sa1100_rtc *sa1100_rtc; - unsigned int rttr; - int ret; - - sa1100_rtc = kzalloc(sizeof(struct sa1100_rtc), GFP_KERNEL); - if (!sa1100_rtc) - return -ENOMEM; - - spin_lock_init(&sa1100_rtc->lock); - platform_set_drvdata(pdev, sa1100_rtc); - - ret = -ENXIO; - sa1100_rtc->ress = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!sa1100_rtc->ress) { - dev_err(&pdev->dev, "No I/O memory resource defined\n"); - goto err_ress; - } - - sa1100_rtc->irq_1Hz = platform_get_irq(pdev, 0); - if (sa1100_rtc->irq_1Hz < 0) { - dev_err(&pdev->dev, "No 1Hz IRQ resource defined\n"); - goto err_ress; - } - sa1100_rtc->irq_Alrm = platform_get_irq(pdev, 1); - if (sa1100_rtc->irq_Alrm < 0) { - dev_err(&pdev->dev, "No alarm IRQ resource defined\n"); - goto err_ress; - } - - ret = -ENOMEM; - sa1100_rtc->base = ioremap(sa1100_rtc->ress->start, - resource_size(sa1100_rtc->ress)); - if (!sa1100_rtc->base) { - dev_err(&pdev->dev, "Unable to map pxa RTC I/O memory\n"); - goto err_map; - } - - sa1100_rtc->clk = clk_get(&pdev->dev, NULL); - if (IS_ERR(sa1100_rtc->clk)) { - dev_err(&pdev->dev, "failed to find rtc clock source\n"); - ret = PTR_ERR(sa1100_rtc->clk); - goto err_clk; - } - clk_prepare(sa1100_rtc->clk); - clk_enable(sa1100_rtc->clk); + struct rtc_device *rtc; /* * According to the manual we should be able to let RTTR be zero @@ -335,24 +279,24 @@ static int sa1100_rtc_probe(struct platform_device *pdev) * If the clock divider is uninitialized then reset it to the * default value to get the 1Hz clock. */ - if (rtc_readl(sa1100_rtc, RTTR) == 0) { - rttr = RTC_DEF_DIVIDER + (RTC_DEF_TRIM << 16); - rtc_writel(sa1100_rtc, RTTR, rttr); - dev_warn(&pdev->dev, "warning: initializing default clock" - " divider/trim value\n"); + if (RTTR == 0) { + RTTR = RTC_DEF_DIVIDER + (RTC_DEF_TRIM << 16); + dev_warn(&pdev->dev, "warning: " + "initializing default clock divider/trim value\n"); /* The current RTC value probably doesn't make sense either */ - rtc_writel(sa1100_rtc, RCNR, 0); + RCNR = 0; } device_init_wakeup(&pdev->dev, 1); - sa1100_rtc->rtc = rtc_device_register(pdev->name, &pdev->dev, - &sa1100_rtc_ops, THIS_MODULE); - if (IS_ERR(sa1100_rtc->rtc)) { - dev_err(&pdev->dev, "Failed to register RTC device -> %d\n", - ret); - goto err_rtc_reg; - } + rtc = rtc_device_register(pdev->name, &pdev->dev, &sa1100_rtc_ops, + THIS_MODULE); + + if (IS_ERR(rtc)) + return PTR_ERR(rtc); + + platform_set_drvdata(pdev, rtc); + /* Fix for a nasty initialization problem the in SA11xx RTSR register. * See also the comments in sa1100_rtc_interrupt(). * @@ -375,46 +319,33 @@ static int sa1100_rtc_probe(struct platform_device *pdev) * * Notice that clearing bit 1 and 0 is accomplished by writting ONES to * the corresponding bits in RTSR. */ - rtc_writel(sa1100_rtc, RTSR, (RTSR_AL | RTSR_HZ)); + RTSR = RTSR_AL | RTSR_HZ; return 0; - -err_rtc_reg: -err_clk: - iounmap(sa1100_rtc->base); -err_ress: -err_map: - kfree(sa1100_rtc); - return ret; } static int sa1100_rtc_remove(struct platform_device *pdev) { - struct sa1100_rtc *sa1100_rtc = platform_get_drvdata(pdev); + struct rtc_device *rtc = platform_get_drvdata(pdev); + + if (rtc) + rtc_device_unregister(rtc); - rtc_device_unregister(sa1100_rtc->rtc); - clk_disable(sa1100_rtc->clk); - clk_unprepare(sa1100_rtc->clk); - iounmap(sa1100_rtc->base); return 0; } #ifdef CONFIG_PM static int sa1100_rtc_suspend(struct device *dev) { - struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); - if (device_may_wakeup(dev)) - enable_irq_wake(sa1100_rtc->irq_Alrm); + enable_irq_wake(IRQ_RTCAlrm); return 0; } static int sa1100_rtc_resume(struct device *dev) { - struct sa1100_rtc *sa1100_rtc = dev_get_drvdata(dev); - if (device_may_wakeup(dev)) - disable_irq_wake(sa1100_rtc->irq_Alrm); + disable_irq_wake(IRQ_RTCAlrm); return 0; } diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index eef27a197c00f9..110137e7ec81ca 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -3261,6 +3261,12 @@ void dasd_generic_path_event(struct ccw_device *cdev, int *path_event) device->path_data.tbvpm |= eventlpm; dasd_schedule_device_bh(device); } + if (path_event[chp] & PE_PATHGROUP_ESTABLISHED) { + DBF_DEV_EVENT(DBF_WARNING, device, "%s", + "Pathgroup re-established\n"); + if (device->discipline->kick_validate) + device->discipline->kick_validate(device); + } } dasd_put_device(device); } diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c index 553b3c5abb0abf..b3beed5434e43d 100644 --- a/drivers/s390/block/dasd_alias.c +++ b/drivers/s390/block/dasd_alias.c @@ -189,14 +189,12 @@ int dasd_alias_make_device_known_to_lcu(struct dasd_device *device) unsigned long flags; struct alias_server *server, *newserver; struct alias_lcu *lcu, *newlcu; - int is_lcu_known; struct dasd_uid uid; private = (struct dasd_eckd_private *) device->private; device->discipline->get_uid(device, &uid); spin_lock_irqsave(&aliastree.lock, flags); - is_lcu_known = 1; server = _find_server(&uid); if (!server) { spin_unlock_irqrestore(&aliastree.lock, flags); @@ -208,7 +206,6 @@ int dasd_alias_make_device_known_to_lcu(struct dasd_device *device) if (!server) { list_add(&newserver->server, &aliastree.serverlist); server = newserver; - is_lcu_known = 0; } else { /* someone was faster */ _free_server(newserver); @@ -226,12 +223,10 @@ int dasd_alias_make_device_known_to_lcu(struct dasd_device *device) if (!lcu) { list_add(&newlcu->lcu, &server->lculist); lcu = newlcu; - is_lcu_known = 0; } else { /* someone was faster */ _free_lcu(newlcu); } - is_lcu_known = 0; } spin_lock(&lcu->lock); list_add(&device->alias_list, &lcu->inactive_devices); @@ -239,64 +234,7 @@ int dasd_alias_make_device_known_to_lcu(struct dasd_device *device) spin_unlock(&lcu->lock); spin_unlock_irqrestore(&aliastree.lock, flags); - return is_lcu_known; -} - -/* - * The first device to be registered on an LCU will have to do - * some additional setup steps to configure that LCU on the - * storage server. All further devices should wait with their - * initialization until the first device is done. - * To synchronize this work, the first device will call - * dasd_alias_lcu_setup_complete when it is done, and all - * other devices will wait for it with dasd_alias_wait_for_lcu_setup. - */ -void dasd_alias_lcu_setup_complete(struct dasd_device *device) -{ - unsigned long flags; - struct alias_server *server; - struct alias_lcu *lcu; - struct dasd_uid uid; - - device->discipline->get_uid(device, &uid); - lcu = NULL; - spin_lock_irqsave(&aliastree.lock, flags); - server = _find_server(&uid); - if (server) - lcu = _find_lcu(server, &uid); - spin_unlock_irqrestore(&aliastree.lock, flags); - if (!lcu) { - DBF_EVENT_DEVID(DBF_ERR, device->cdev, - "could not find lcu for %04x %02x", - uid.ssid, uid.real_unit_addr); - WARN_ON(1); - return; - } - complete_all(&lcu->lcu_setup); -} - -void dasd_alias_wait_for_lcu_setup(struct dasd_device *device) -{ - unsigned long flags; - struct alias_server *server; - struct alias_lcu *lcu; - struct dasd_uid uid; - - device->discipline->get_uid(device, &uid); - lcu = NULL; - spin_lock_irqsave(&aliastree.lock, flags); - server = _find_server(&uid); - if (server) - lcu = _find_lcu(server, &uid); - spin_unlock_irqrestore(&aliastree.lock, flags); - if (!lcu) { - DBF_EVENT_DEVID(DBF_ERR, device->cdev, - "could not find lcu for %04x %02x", - uid.ssid, uid.real_unit_addr); - WARN_ON(1); - return; - } - wait_for_completion(&lcu->lcu_setup); + return 0; } /* diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index bbcd5e9206ee27..70880be260151b 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -1534,6 +1534,10 @@ static void dasd_eckd_validate_server(struct dasd_device *device) struct dasd_eckd_private *private; int enable_pav; + private = (struct dasd_eckd_private *) device->private; + if (private->uid.type == UA_BASE_PAV_ALIAS || + private->uid.type == UA_HYPER_PAV_ALIAS) + return; if (dasd_nopav || MACHINE_IS_VM) enable_pav = 0; else @@ -1542,11 +1546,28 @@ static void dasd_eckd_validate_server(struct dasd_device *device) /* may be requested feature is not available on server, * therefore just report error and go ahead */ - private = (struct dasd_eckd_private *) device->private; DBF_EVENT_DEVID(DBF_WARNING, device->cdev, "PSF-SSC for SSID %04x " "returned rc=%d", private->uid.ssid, rc); } +/* + * worker to do a validate server in case of a lost pathgroup + */ +static void dasd_eckd_do_validate_server(struct work_struct *work) +{ + struct dasd_device *device = container_of(work, struct dasd_device, + kick_validate); + dasd_eckd_validate_server(device); + dasd_put_device(device); +} + +static void dasd_eckd_kick_validate_server(struct dasd_device *device) +{ + dasd_get_device(device); + /* queue call to do_validate_server to the kernel event daemon. */ + schedule_work(&device->kick_validate); +} + static u32 get_fcx_max_data(struct dasd_device *device) { #if defined(CONFIG_64BIT) @@ -1588,10 +1609,13 @@ dasd_eckd_check_characteristics(struct dasd_device *device) struct dasd_eckd_private *private; struct dasd_block *block; struct dasd_uid temp_uid; - int is_known, rc, i; + int rc, i; int readonly; unsigned long value; + /* setup work queue for validate server*/ + INIT_WORK(&device->kick_validate, dasd_eckd_do_validate_server); + if (!ccw_device_is_pathgroup(device->cdev)) { dev_warn(&device->cdev->dev, "A channel path group could not be established\n"); @@ -1651,22 +1675,12 @@ dasd_eckd_check_characteristics(struct dasd_device *device) block->base = device; } - /* register lcu with alias handling, enable PAV if this is a new lcu */ - is_known = dasd_alias_make_device_known_to_lcu(device); - if (is_known < 0) { - rc = is_known; + /* register lcu with alias handling, enable PAV */ + rc = dasd_alias_make_device_known_to_lcu(device); + if (rc) goto out_err2; - } - /* - * dasd_eckd_validate_server is done on the first device that - * is found for an LCU. All later other devices have to wait - * for it, so they will read the correct feature codes. - */ - if (!is_known) { - dasd_eckd_validate_server(device); - dasd_alias_lcu_setup_complete(device); - } else - dasd_alias_wait_for_lcu_setup(device); + + dasd_eckd_validate_server(device); /* device may report different configuration data after LCU setup */ rc = dasd_eckd_read_conf(device); @@ -4098,7 +4112,7 @@ static int dasd_eckd_restore_device(struct dasd_device *device) { struct dasd_eckd_private *private; struct dasd_eckd_characteristics temp_rdc_data; - int is_known, rc; + int rc; struct dasd_uid temp_uid; unsigned long flags; @@ -4121,14 +4135,10 @@ static int dasd_eckd_restore_device(struct dasd_device *device) goto out_err; /* register lcu with alias handling, enable PAV if this is a new lcu */ - is_known = dasd_alias_make_device_known_to_lcu(device); - if (is_known < 0) - return is_known; - if (!is_known) { - dasd_eckd_validate_server(device); - dasd_alias_lcu_setup_complete(device); - } else - dasd_alias_wait_for_lcu_setup(device); + rc = dasd_alias_make_device_known_to_lcu(device); + if (rc) + return rc; + dasd_eckd_validate_server(device); /* RE-Read Configuration Data */ rc = dasd_eckd_read_conf(device); @@ -4270,6 +4280,7 @@ static struct dasd_discipline dasd_eckd_discipline = { .restore = dasd_eckd_restore_device, .reload = dasd_eckd_reload_device, .get_uid = dasd_eckd_get_uid, + .kick_validate = dasd_eckd_kick_validate_server, }; static int __init diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index afe8c33422edae..33a6743ddc558c 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -355,6 +355,7 @@ struct dasd_discipline { int (*reload) (struct dasd_device *); int (*get_uid) (struct dasd_device *, struct dasd_uid *); + void (*kick_validate) (struct dasd_device *); }; extern struct dasd_discipline *dasd_diag_discipline_pointer; @@ -455,6 +456,7 @@ struct dasd_device { struct work_struct kick_work; struct work_struct restore_device; struct work_struct reload_device; + struct work_struct kick_validate; struct timer_list timer; debug_info_t *debug_area; diff --git a/drivers/scsi/mac_esp.c b/drivers/scsi/mac_esp.c index 4ceeace804533c..70eb1f79b1ba2f 100644 --- a/drivers/scsi/mac_esp.c +++ b/drivers/scsi/mac_esp.c @@ -565,8 +565,7 @@ static int __devinit esp_mac_probe(struct platform_device *dev) esp_chips[dev->id] = esp; mb(); if (esp_chips[!dev->id] == NULL) { - err = request_irq(host->irq, mac_scsi_esp_intr, 0, - "Mac ESP", NULL); + err = request_irq(host->irq, mac_scsi_esp_intr, 0, "ESP", NULL); if (err < 0) { esp_chips[dev->id] = NULL; goto fail_free_priv; diff --git a/drivers/scsi/mac_scsi.c b/drivers/scsi/mac_scsi.c index ea2bde206f7f95..2bccfbe5661e65 100644 --- a/drivers/scsi/mac_scsi.c +++ b/drivers/scsi/mac_scsi.c @@ -339,9 +339,6 @@ static void mac_scsi_reset_boot(struct Scsi_Host *instance) printk(KERN_INFO "Macintosh SCSI: resetting the SCSI bus..." ); - /* switch off SCSI IRQ - catch an interrupt without IRQ bit set else */ - disable_irq(IRQ_MAC_SCSI); - /* get in phase */ NCR5380_write( TARGET_COMMAND_REG, PHASE_SR_TO_TCR( NCR5380_read(STATUS_REG) )); @@ -357,9 +354,6 @@ static void mac_scsi_reset_boot(struct Scsi_Host *instance) for( end = jiffies + AFTER_RESET_DELAY; time_before(jiffies, end); ) barrier(); - /* switch on SCSI IRQ again */ - enable_irq(IRQ_MAC_SCSI); - printk(KERN_INFO " done\n" ); } #endif diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 3f9a47ec67dc81..8293658e7cf910 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -299,7 +299,7 @@ config SPI_S3C24XX_FIQ config SPI_S3C64XX tristate "Samsung S3C64XX series type SPI" - depends on (ARCH_S3C64XX || ARCH_S5P64X0) + depends on (ARCH_S3C64XX || ARCH_S5P64X0 || ARCH_EXYNOS) select S3C64XX_DMA if ARCH_S3C64XX help SPI driver for Samsung S3C64XX and newer SoCs. diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c index 2a6429d8c363e5..10182eb5006817 100644 --- a/drivers/spi/spi-topcliff-pch.c +++ b/drivers/spi/spi-topcliff-pch.c @@ -1720,7 +1720,7 @@ static int pch_spi_resume(struct pci_dev *pdev) #endif -static struct pci_driver pch_spi_pcidev = { +static struct pci_driver pch_spi_pcidev_driver = { .name = "pch_spi", .id_table = pch_spi_pcidev_id, .probe = pch_spi_probe, @@ -1736,7 +1736,7 @@ static int __init pch_spi_init(void) if (ret) return ret; - ret = pci_register_driver(&pch_spi_pcidev); + ret = pci_register_driver(&pch_spi_pcidev_driver); if (ret) return ret; @@ -1746,7 +1746,7 @@ module_init(pch_spi_init); static void __exit pch_spi_exit(void) { - pci_unregister_driver(&pch_spi_pcidev); + pci_unregister_driver(&pch_spi_pcidev_driver); platform_driver_unregister(&pch_spi_pd_driver); } module_exit(pch_spi_exit); diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 21e2f4b87f1421..9e6347249783d4 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -60,8 +60,6 @@ source "drivers/staging/rts5139/Kconfig" source "drivers/staging/frontier/Kconfig" -source "drivers/staging/pohmelfs/Kconfig" - source "drivers/staging/phison/Kconfig" source "drivers/staging/line6/Kconfig" @@ -120,8 +118,6 @@ source "drivers/staging/cptm1217/Kconfig" source "drivers/staging/ste_rmi4/Kconfig" -source "drivers/staging/gma500/Kconfig" - source "drivers/staging/mei/Kconfig" source "drivers/staging/nvec/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 7c5808d7212d92..943e14830753e8 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -22,7 +22,6 @@ obj-$(CONFIG_R8712U) += rtl8712/ obj-$(CONFIG_RTS_PSTOR) += rts_pstor/ obj-$(CONFIG_RTS5139) += rts5139/ obj-$(CONFIG_TRANZPORT) += frontier/ -obj-$(CONFIG_POHMELFS) += pohmelfs/ obj-$(CONFIG_IDE_PHISON) += phison/ obj-$(CONFIG_LINE6_USB) += line6/ obj-$(CONFIG_USB_SERIAL_QUATECH2) += serqt_usb2/ @@ -52,7 +51,6 @@ obj-$(CONFIG_FT1000) += ft1000/ obj-$(CONFIG_SPEAKUP) += speakup/ obj-$(CONFIG_TOUCHSCREEN_CLEARPAD_TM1217) += cptm1217/ obj-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4) += ste_rmi4/ -obj-$(CONFIG_DRM_PSB) += gma500/ obj-$(CONFIG_INTEL_MEI) += mei/ obj-$(CONFIG_MFD_NVEC) += nvec/ obj-$(CONFIG_DRM_OMAP) += omapdrm/ diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig index becf711117efff..fef3580ce8de02 100644 --- a/drivers/staging/android/Kconfig +++ b/drivers/staging/android/Kconfig @@ -27,6 +27,7 @@ config ANDROID_LOGGER config ANDROID_RAM_CONSOLE bool "Android RAM buffer console" + depends on !S390 && !UML default n config ANDROID_RAM_CONSOLE_ENABLE_VERBOSE @@ -99,10 +100,6 @@ config ANDROID_LOW_MEMORY_KILLER ---help--- Register processes to be killed when memory is low -config ANDROID_PMEM - bool "Android pmem allocator" - depends on ARM - source "drivers/staging/android/switch/Kconfig" endif # if ANDROID diff --git a/drivers/staging/android/Makefile b/drivers/staging/android/Makefile index eaed1ff64f0f74..5fcc24ffdd582e 100644 --- a/drivers/staging/android/Makefile +++ b/drivers/staging/android/Makefile @@ -5,5 +5,4 @@ obj-$(CONFIG_ANDROID_RAM_CONSOLE) += ram_console.o obj-$(CONFIG_ANDROID_TIMED_OUTPUT) += timed_output.o obj-$(CONFIG_ANDROID_TIMED_GPIO) += timed_gpio.o obj-$(CONFIG_ANDROID_LOW_MEMORY_KILLER) += lowmemorykiller.o -obj-$(CONFIG_ANDROID_PMEM) += pmem.o obj-$(CONFIG_ANDROID_SWITCH) += switch/ diff --git a/drivers/staging/android/android_pmem.h b/drivers/staging/android/android_pmem.h deleted file mode 100644 index f633621f5be3db..00000000000000 --- a/drivers/staging/android/android_pmem.h +++ /dev/null @@ -1,93 +0,0 @@ -/* include/linux/android_pmem.h - * - * Copyright (C) 2007 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#ifndef _ANDROID_PMEM_H_ -#define _ANDROID_PMEM_H_ - -#define PMEM_IOCTL_MAGIC 'p' -#define PMEM_GET_PHYS _IOW(PMEM_IOCTL_MAGIC, 1, unsigned int) -#define PMEM_MAP _IOW(PMEM_IOCTL_MAGIC, 2, unsigned int) -#define PMEM_GET_SIZE _IOW(PMEM_IOCTL_MAGIC, 3, unsigned int) -#define PMEM_UNMAP _IOW(PMEM_IOCTL_MAGIC, 4, unsigned int) -/* This ioctl will allocate pmem space, backing the file, it will fail - * if the file already has an allocation, pass it the len as the argument - * to the ioctl */ -#define PMEM_ALLOCATE _IOW(PMEM_IOCTL_MAGIC, 5, unsigned int) -/* This will connect a one pmem file to another, pass the file that is already - * backed in memory as the argument to the ioctl - */ -#define PMEM_CONNECT _IOW(PMEM_IOCTL_MAGIC, 6, unsigned int) -/* Returns the total size of the pmem region it is sent to as a pmem_region - * struct (with offset set to 0). - */ -#define PMEM_GET_TOTAL_SIZE _IOW(PMEM_IOCTL_MAGIC, 7, unsigned int) -#define PMEM_CACHE_FLUSH _IOW(PMEM_IOCTL_MAGIC, 8, unsigned int) - -struct android_pmem_platform_data -{ - const char* name; - /* starting physical address of memory region */ - unsigned long start; - /* size of memory region */ - unsigned long size; - /* set to indicate the region should not be managed with an allocator */ - unsigned no_allocator; - /* set to indicate maps of this region should be cached, if a mix of - * cached and uncached is desired, set this and open the device with - * O_SYNC to get an uncached region */ - unsigned cached; - /* The MSM7k has bits to enable a write buffer in the bus controller*/ - unsigned buffered; -}; - -struct pmem_region { - unsigned long offset; - unsigned long len; -}; - -#ifdef CONFIG_ANDROID_PMEM -int is_pmem_file(struct file *file); -int get_pmem_file(int fd, unsigned long *start, unsigned long *vstart, - unsigned long *end, struct file **filp); -int get_pmem_user_addr(struct file *file, unsigned long *start, - unsigned long *end); -void put_pmem_file(struct file* file); -void flush_pmem_file(struct file *file, unsigned long start, unsigned long len); -int pmem_setup(struct android_pmem_platform_data *pdata, - long (*ioctl)(struct file *, unsigned int, unsigned long), - int (*release)(struct inode *, struct file *)); -int pmem_remap(struct pmem_region *region, struct file *file, - unsigned operation); - -#else -static inline int is_pmem_file(struct file *file) { return 0; } -static inline int get_pmem_file(int fd, unsigned long *start, - unsigned long *vstart, unsigned long *end, - struct file **filp) { return -ENOSYS; } -static inline int get_pmem_user_addr(struct file *file, unsigned long *start, - unsigned long *end) { return -ENOSYS; } -static inline void put_pmem_file(struct file* file) { return; } -static inline void flush_pmem_file(struct file *file, unsigned long start, - unsigned long len) { return; } -static inline int pmem_setup(struct android_pmem_platform_data *pdata, - long (*ioctl)(struct file *, unsigned int, unsigned long), - int (*release)(struct inode *, struct file *)) { return -ENOSYS; } - -static inline int pmem_remap(struct pmem_region *region, struct file *file, - unsigned operation) { return -ENOSYS; } -#endif - -#endif //_ANDROID_PPP_H_ - diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index 7491801a661c68..f0b7e6605ab5e4 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -38,6 +38,7 @@ static DEFINE_MUTEX(binder_lock); static DEFINE_MUTEX(binder_deferred_lock); +static DEFINE_MUTEX(binder_mmap_lock); static HLIST_HEAD(binder_procs); static HLIST_HEAD(binder_deferred_list); @@ -632,6 +633,11 @@ static int binder_update_page_range(struct binder_proc *proc, int allocate, if (mm) { down_write(&mm->mmap_sem); vma = proc->vma; + if (vma && mm != vma->vm_mm) { + pr_err("binder: %d: vma mm and task mm mismatch\n", + proc->pid); + vma = NULL; + } } if (allocate == 0) @@ -2759,7 +2765,6 @@ static void binder_vma_open(struct vm_area_struct *vma) proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, (unsigned long)pgprot_val(vma->vm_page_prot)); - dump_stack(); } static void binder_vma_close(struct vm_area_struct *vma) @@ -2803,6 +2808,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) } vma->vm_flags = (vma->vm_flags | VM_DONTCOPY) & ~VM_MAYWRITE; + mutex_lock(&binder_mmap_lock); if (proc->buffer) { ret = -EBUSY; failure_string = "already mapped"; @@ -2817,6 +2823,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) } proc->buffer = area->addr; proc->user_buffer_offset = vma->vm_start - (uintptr_t)proc->buffer; + mutex_unlock(&binder_mmap_lock); #ifdef CONFIG_CPU_CACHE_VIPT if (cache_is_vipt_aliasing()) { @@ -2849,7 +2856,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) binder_insert_free_buffer(proc, buffer); proc->free_async_space = proc->buffer_size / 2; barrier(); - proc->files = get_files_struct(current); + proc->files = get_files_struct(proc->tsk); proc->vma = vma; /*printk(KERN_INFO "binder_mmap: %d %lx-%lx maps %p\n", @@ -2860,10 +2867,12 @@ err_alloc_small_buf_failed: kfree(proc->pages); proc->pages = NULL; err_alloc_pages_failed: + mutex_lock(&binder_mmap_lock); vfree(proc->buffer); proc->buffer = NULL; err_get_vm_area_failed: err_already_mapped: + mutex_unlock(&binder_mmap_lock); err_bad_arg: printk(KERN_ERR "binder_mmap: %d %lx-%lx %s failed %d\n", proc->pid, vma->vm_start, vma->vm_end, failure_string, ret); diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c index 2d8d2b79610190..efc7dc1f4831e2 100644 --- a/drivers/staging/android/lowmemorykiller.c +++ b/drivers/staging/android/lowmemorykiller.c @@ -54,6 +54,7 @@ static size_t lowmem_minfree[6] = { static int lowmem_minfree_size = 4; static struct task_struct *lowmem_deathpending; +static unsigned long lowmem_deathpending_timeout; #define lowmem_print(level, x...) \ do { \ @@ -103,7 +104,8 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc) * Note: Currently you need CONFIG_PROFILING * for this to work correctly. */ - if (lowmem_deathpending) + if (lowmem_deathpending && + time_before_eq(jiffies, lowmem_deathpending_timeout)) return 0; if (lowmem_adj_size < array_size) @@ -178,6 +180,7 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc) */ #ifdef CONFIG_PROFILING lowmem_deathpending = selected; + lowmem_deathpending_timeout = jiffies + HZ; task_handoff_register(&task_nb); #endif force_sig(SIGKILL, selected); diff --git a/drivers/staging/android/pmem.c b/drivers/staging/android/pmem.c deleted file mode 100644 index 7d97032c65081c..00000000000000 --- a/drivers/staging/android/pmem.c +++ /dev/null @@ -1,1345 +0,0 @@ -/* pmem.c - * - * Copyright (C) 2007 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <linux/miscdevice.h> -#include <linux/platform_device.h> -#include <linux/fs.h> -#include <linux/file.h> -#include <linux/mm.h> -#include <linux/list.h> -#include <linux/mutex.h> -#include <linux/debugfs.h> -#include <linux/mempolicy.h> -#include <linux/sched.h> -#include <asm/io.h> -#include <asm/uaccess.h> -#include <asm/cacheflush.h> -#include "android_pmem.h" - -#define PMEM_MAX_DEVICES 10 -#define PMEM_MAX_ORDER 128 -#define PMEM_MIN_ALLOC PAGE_SIZE - -#define PMEM_DEBUG 1 - -/* indicates that a refernce to this file has been taken via get_pmem_file, - * the file should not be released until put_pmem_file is called */ -#define PMEM_FLAGS_BUSY 0x1 -/* indicates that this is a suballocation of a larger master range */ -#define PMEM_FLAGS_CONNECTED 0x1 << 1 -/* indicates this is a master and not a sub allocation and that it is mmaped */ -#define PMEM_FLAGS_MASTERMAP 0x1 << 2 -/* submap and unsubmap flags indicate: - * 00: subregion has never been mmaped - * 10: subregion has been mmaped, reference to the mm was taken - * 11: subretion has ben released, refernece to the mm still held - * 01: subretion has been released, reference to the mm has been released - */ -#define PMEM_FLAGS_SUBMAP 0x1 << 3 -#define PMEM_FLAGS_UNSUBMAP 0x1 << 4 - - -struct pmem_data { - /* in alloc mode: an index into the bitmap - * in no_alloc mode: the size of the allocation */ - int index; - /* see flags above for descriptions */ - unsigned int flags; - /* protects this data field, if the mm_mmap sem will be held at the - * same time as this sem, the mm sem must be taken first (as this is - * the order for vma_open and vma_close ops */ - struct rw_semaphore sem; - /* info about the mmaping process */ - struct vm_area_struct *vma; - /* task struct of the mapping process */ - struct task_struct *task; - /* process id of teh mapping process */ - pid_t pid; - /* file descriptor of the master */ - int master_fd; - /* file struct of the master */ - struct file *master_file; - /* a list of currently available regions if this is a suballocation */ - struct list_head region_list; - /* a linked list of data so we can access them for debugging */ - struct list_head list; -#if PMEM_DEBUG - int ref; -#endif -}; - -struct pmem_bits { - unsigned allocated:1; /* 1 if allocated, 0 if free */ - unsigned order:7; /* size of the region in pmem space */ -}; - -struct pmem_region_node { - struct pmem_region region; - struct list_head list; -}; - -#define PMEM_DEBUG_MSGS 0 -#if PMEM_DEBUG_MSGS -#define DLOG(fmt,args...) \ - do { printk(KERN_INFO "[%s:%s:%d] "fmt, __FILE__, __func__, __LINE__, \ - ##args); } \ - while (0) -#else -#define DLOG(x...) do {} while (0) -#endif - -struct pmem_info { - struct miscdevice dev; - /* physical start address of the remaped pmem space */ - unsigned long base; - /* vitual start address of the remaped pmem space */ - unsigned char __iomem *vbase; - /* total size of the pmem space */ - unsigned long size; - /* number of entries in the pmem space */ - unsigned long num_entries; - /* pfn of the garbage page in memory */ - unsigned long garbage_pfn; - /* index of the garbage page in the pmem space */ - int garbage_index; - /* the bitmap for the region indicating which entries are allocated - * and which are free */ - struct pmem_bits *bitmap; - /* indicates the region should not be managed with an allocator */ - unsigned no_allocator; - /* indicates maps of this region should be cached, if a mix of - * cached and uncached is desired, set this and open the device with - * O_SYNC to get an uncached region */ - unsigned cached; - unsigned buffered; - /* in no_allocator mode the first mapper gets the whole space and sets - * this flag */ - unsigned allocated; - /* for debugging, creates a list of pmem file structs, the - * data_list_lock should be taken before pmem_data->sem if both are - * needed */ - struct mutex data_list_lock; - struct list_head data_list; - /* pmem_sem protects the bitmap array - * a write lock should be held when modifying entries in bitmap - * a read lock should be held when reading data from bits or - * dereferencing a pointer into bitmap - * - * pmem_data->sem protects the pmem data of a particular file - * Many of the function that require the pmem_data->sem have a non- - * locking version for when the caller is already holding that sem. - * - * IF YOU TAKE BOTH LOCKS TAKE THEM IN THIS ORDER: - * down(pmem_data->sem) => down(bitmap_sem) - */ - struct rw_semaphore bitmap_sem; - - long (*ioctl)(struct file *, unsigned int, unsigned long); - int (*release)(struct inode *, struct file *); -}; - -static struct pmem_info pmem[PMEM_MAX_DEVICES]; -static int id_count; - -#define PMEM_IS_FREE(id, index) !(pmem[id].bitmap[index].allocated) -#define PMEM_ORDER(id, index) pmem[id].bitmap[index].order -#define PMEM_BUDDY_INDEX(id, index) (index ^ (1 << PMEM_ORDER(id, index))) -#define PMEM_NEXT_INDEX(id, index) (index + (1 << PMEM_ORDER(id, index))) -#define PMEM_OFFSET(index) (index * PMEM_MIN_ALLOC) -#define PMEM_START_ADDR(id, index) (PMEM_OFFSET(index) + pmem[id].base) -#define PMEM_LEN(id, index) ((1 << PMEM_ORDER(id, index)) * PMEM_MIN_ALLOC) -#define PMEM_END_ADDR(id, index) (PMEM_START_ADDR(id, index) + \ - PMEM_LEN(id, index)) -#define PMEM_START_VADDR(id, index) (PMEM_OFFSET(id, index) + pmem[id].vbase) -#define PMEM_END_VADDR(id, index) (PMEM_START_VADDR(id, index) + \ - PMEM_LEN(id, index)) -#define PMEM_REVOKED(data) (data->flags & PMEM_FLAGS_REVOKED) -#define PMEM_IS_PAGE_ALIGNED(addr) (!((addr) & (~PAGE_MASK))) -#define PMEM_IS_SUBMAP(data) ((data->flags & PMEM_FLAGS_SUBMAP) && \ - (!(data->flags & PMEM_FLAGS_UNSUBMAP))) - -static int pmem_release(struct inode *, struct file *); -static int pmem_mmap(struct file *, struct vm_area_struct *); -static int pmem_open(struct inode *, struct file *); -static long pmem_ioctl(struct file *, unsigned int, unsigned long); - -struct file_operations pmem_fops = { - .release = pmem_release, - .mmap = pmem_mmap, - .open = pmem_open, - .unlocked_ioctl = pmem_ioctl, -}; - -static int get_id(struct file *file) -{ - return MINOR(file->f_dentry->d_inode->i_rdev); -} - -int is_pmem_file(struct file *file) -{ - int id; - - if (unlikely(!file || !file->f_dentry || !file->f_dentry->d_inode)) - return 0; - id = get_id(file); - if (unlikely(id >= PMEM_MAX_DEVICES)) - return 0; - if (unlikely(file->f_dentry->d_inode->i_rdev != - MKDEV(MISC_MAJOR, pmem[id].dev.minor))) - return 0; - return 1; -} - -static int has_allocation(struct file *file) -{ - struct pmem_data *data; - /* check is_pmem_file first if not accessed via pmem_file_ops */ - - if (unlikely(!file->private_data)) - return 0; - data = (struct pmem_data *)file->private_data; - if (unlikely(data->index < 0)) - return 0; - return 1; -} - -static int is_master_owner(struct file *file) -{ - struct file *master_file; - struct pmem_data *data; - int put_needed, ret = 0; - - if (!is_pmem_file(file) || !has_allocation(file)) - return 0; - data = (struct pmem_data *)file->private_data; - if (PMEM_FLAGS_MASTERMAP & data->flags) - return 1; - master_file = fget_light(data->master_fd, &put_needed); - if (master_file && data->master_file == master_file) - ret = 1; - fput_light(master_file, put_needed); - return ret; -} - -static int pmem_free(int id, int index) -{ - /* caller should hold the write lock on pmem_sem! */ - int buddy, curr = index; - DLOG("index %d\n", index); - - if (pmem[id].no_allocator) { - pmem[id].allocated = 0; - return 0; - } - /* clean up the bitmap, merging any buddies */ - pmem[id].bitmap[curr].allocated = 0; - /* find a slots buddy Buddy# = Slot# ^ (1 << order) - * if the buddy is also free merge them - * repeat until the buddy is not free or end of the bitmap is reached - */ - do { - buddy = PMEM_BUDDY_INDEX(id, curr); - if (PMEM_IS_FREE(id, buddy) && - PMEM_ORDER(id, buddy) == PMEM_ORDER(id, curr)) { - PMEM_ORDER(id, buddy)++; - PMEM_ORDER(id, curr)++; - curr = min(buddy, curr); - } else { - break; - } - } while (curr < pmem[id].num_entries); - - return 0; -} - -static void pmem_revoke(struct file *file, struct pmem_data *data); - -static int pmem_release(struct inode *inode, struct file *file) -{ - struct pmem_data *data = (struct pmem_data *)file->private_data; - struct pmem_region_node *region_node; - struct list_head *elt, *elt2; - int id = get_id(file), ret = 0; - - - mutex_lock(&pmem[id].data_list_lock); - /* if this file is a master, revoke all the memory in the connected - * files */ - if (PMEM_FLAGS_MASTERMAP & data->flags) { - struct pmem_data *sub_data; - list_for_each(elt, &pmem[id].data_list) { - sub_data = list_entry(elt, struct pmem_data, list); - down_read(&sub_data->sem); - if (PMEM_IS_SUBMAP(sub_data) && - file == sub_data->master_file) { - up_read(&sub_data->sem); - pmem_revoke(file, sub_data); - } else - up_read(&sub_data->sem); - } - } - list_del(&data->list); - mutex_unlock(&pmem[id].data_list_lock); - - - down_write(&data->sem); - - /* if its not a conencted file and it has an allocation, free it */ - if (!(PMEM_FLAGS_CONNECTED & data->flags) && has_allocation(file)) { - down_write(&pmem[id].bitmap_sem); - ret = pmem_free(id, data->index); - up_write(&pmem[id].bitmap_sem); - } - - /* if this file is a submap (mapped, connected file), downref the - * task struct */ - if (PMEM_FLAGS_SUBMAP & data->flags) - if (data->task) { - put_task_struct(data->task); - data->task = NULL; - } - - file->private_data = NULL; - - list_for_each_safe(elt, elt2, &data->region_list) { - region_node = list_entry(elt, struct pmem_region_node, list); - list_del(elt); - kfree(region_node); - } - BUG_ON(!list_empty(&data->region_list)); - - up_write(&data->sem); - kfree(data); - if (pmem[id].release) - ret = pmem[id].release(inode, file); - - return ret; -} - -static int pmem_open(struct inode *inode, struct file *file) -{ - struct pmem_data *data; - int id = get_id(file); - int ret = 0; - - DLOG("current %u file %p(%d)\n", current->pid, file, file_count(file)); - /* setup file->private_data to indicate its unmapped */ - /* you can only open a pmem device one time */ - if (file->private_data != NULL) - return -1; - data = kmalloc(sizeof(struct pmem_data), GFP_KERNEL); - if (!data) { - printk("pmem: unable to allocate memory for pmem metadata."); - return -1; - } - data->flags = 0; - data->index = -1; - data->task = NULL; - data->vma = NULL; - data->pid = 0; - data->master_file = NULL; -#if PMEM_DEBUG - data->ref = 0; -#endif - INIT_LIST_HEAD(&data->region_list); - init_rwsem(&data->sem); - - file->private_data = data; - INIT_LIST_HEAD(&data->list); - - mutex_lock(&pmem[id].data_list_lock); - list_add(&data->list, &pmem[id].data_list); - mutex_unlock(&pmem[id].data_list_lock); - return ret; -} - -static unsigned long pmem_order(unsigned long len) -{ - int i; - - len = (len + PMEM_MIN_ALLOC - 1)/PMEM_MIN_ALLOC; - len--; - for (i = 0; i < sizeof(len)*8; i++) - if (len >> i == 0) - break; - return i; -} - -static int pmem_allocate(int id, unsigned long len) -{ - /* caller should hold the write lock on pmem_sem! */ - /* return the corresponding pdata[] entry */ - int curr = 0; - int end = pmem[id].num_entries; - int best_fit = -1; - unsigned long order = pmem_order(len); - - if (pmem[id].no_allocator) { - DLOG("no allocator"); - if ((len > pmem[id].size) || pmem[id].allocated) - return -1; - pmem[id].allocated = 1; - return len; - } - - if (order > PMEM_MAX_ORDER) - return -1; - DLOG("order %lx\n", order); - - /* look through the bitmap: - * if you find a free slot of the correct order use it - * otherwise, use the best fit (smallest with size > order) slot - */ - while (curr < end) { - if (PMEM_IS_FREE(id, curr)) { - if (PMEM_ORDER(id, curr) == (unsigned char)order) { - /* set the not free bit and clear others */ - best_fit = curr; - break; - } - if (PMEM_ORDER(id, curr) > (unsigned char)order && - (best_fit < 0 || - PMEM_ORDER(id, curr) < PMEM_ORDER(id, best_fit))) - best_fit = curr; - } - curr = PMEM_NEXT_INDEX(id, curr); - } - - /* if best_fit < 0, there are no suitable slots, - * return an error - */ - if (best_fit < 0) { - printk("pmem: no space left to allocate!\n"); - return -1; - } - - /* now partition the best fit: - * split the slot into 2 buddies of order - 1 - * repeat until the slot is of the correct order - */ - while (PMEM_ORDER(id, best_fit) > (unsigned char)order) { - int buddy; - PMEM_ORDER(id, best_fit) -= 1; - buddy = PMEM_BUDDY_INDEX(id, best_fit); - PMEM_ORDER(id, buddy) = PMEM_ORDER(id, best_fit); - } - pmem[id].bitmap[best_fit].allocated = 1; - return best_fit; -} - -static pgprot_t pmem_access_prot(struct file *file, pgprot_t vma_prot) -{ - int id = get_id(file); -#ifdef pgprot_noncached - if (pmem[id].cached == 0 || file->f_flags & O_SYNC) - return pgprot_noncached(vma_prot); -#endif -#ifdef pgprot_ext_buffered - else if (pmem[id].buffered) - return pgprot_ext_buffered(vma_prot); -#endif - return vma_prot; -} - -static unsigned long pmem_start_addr(int id, struct pmem_data *data) -{ - if (pmem[id].no_allocator) - return PMEM_START_ADDR(id, 0); - else - return PMEM_START_ADDR(id, data->index); - -} - -static void *pmem_start_vaddr(int id, struct pmem_data *data) -{ - return pmem_start_addr(id, data) - pmem[id].base + pmem[id].vbase; -} - -static unsigned long pmem_len(int id, struct pmem_data *data) -{ - if (pmem[id].no_allocator) - return data->index; - else - return PMEM_LEN(id, data->index); -} - -static int pmem_map_garbage(int id, struct vm_area_struct *vma, - struct pmem_data *data, unsigned long offset, - unsigned long len) -{ - int i, garbage_pages = len >> PAGE_SHIFT; - - vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP | VM_SHARED | VM_WRITE; - for (i = 0; i < garbage_pages; i++) { - if (vm_insert_pfn(vma, vma->vm_start + offset + (i * PAGE_SIZE), - pmem[id].garbage_pfn)) - return -EAGAIN; - } - return 0; -} - -static int pmem_unmap_pfn_range(int id, struct vm_area_struct *vma, - struct pmem_data *data, unsigned long offset, - unsigned long len) -{ - int garbage_pages; - DLOG("unmap offset %lx len %lx\n", offset, len); - - BUG_ON(!PMEM_IS_PAGE_ALIGNED(len)); - - garbage_pages = len >> PAGE_SHIFT; - zap_page_range(vma, vma->vm_start + offset, len, NULL); - pmem_map_garbage(id, vma, data, offset, len); - return 0; -} - -static int pmem_map_pfn_range(int id, struct vm_area_struct *vma, - struct pmem_data *data, unsigned long offset, - unsigned long len) -{ - DLOG("map offset %lx len %lx\n", offset, len); - BUG_ON(!PMEM_IS_PAGE_ALIGNED(vma->vm_start)); - BUG_ON(!PMEM_IS_PAGE_ALIGNED(vma->vm_end)); - BUG_ON(!PMEM_IS_PAGE_ALIGNED(len)); - BUG_ON(!PMEM_IS_PAGE_ALIGNED(offset)); - - if (io_remap_pfn_range(vma, vma->vm_start + offset, - (pmem_start_addr(id, data) + offset) >> PAGE_SHIFT, - len, vma->vm_page_prot)) { - return -EAGAIN; - } - return 0; -} - -static int pmem_remap_pfn_range(int id, struct vm_area_struct *vma, - struct pmem_data *data, unsigned long offset, - unsigned long len) -{ - /* hold the mm semp for the vma you are modifying when you call this */ - BUG_ON(!vma); - zap_page_range(vma, vma->vm_start + offset, len, NULL); - return pmem_map_pfn_range(id, vma, data, offset, len); -} - -static void pmem_vma_open(struct vm_area_struct *vma) -{ - struct file *file = vma->vm_file; - struct pmem_data *data = file->private_data; - int id = get_id(file); - /* this should never be called as we don't support copying pmem - * ranges via fork */ - BUG_ON(!has_allocation(file)); - down_write(&data->sem); - /* remap the garbage pages, forkers don't get access to the data */ - pmem_unmap_pfn_range(id, vma, data, 0, vma->vm_start - vma->vm_end); - up_write(&data->sem); -} - -static void pmem_vma_close(struct vm_area_struct *vma) -{ - struct file *file = vma->vm_file; - struct pmem_data *data = file->private_data; - - DLOG("current %u ppid %u file %p count %d\n", current->pid, - current->parent->pid, file, file_count(file)); - if (unlikely(!is_pmem_file(file) || !has_allocation(file))) { - printk(KERN_WARNING "pmem: something is very wrong, you are " - "closing a vm backing an allocation that doesn't " - "exist!\n"); - return; - } - down_write(&data->sem); - if (data->vma == vma) { - data->vma = NULL; - if ((data->flags & PMEM_FLAGS_CONNECTED) && - (data->flags & PMEM_FLAGS_SUBMAP)) - data->flags |= PMEM_FLAGS_UNSUBMAP; - } - /* the kernel is going to free this vma now anyway */ - up_write(&data->sem); -} - -static struct vm_operations_struct vm_ops = { - .open = pmem_vma_open, - .close = pmem_vma_close, -}; - -static int pmem_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct pmem_data *data; - int index; - unsigned long vma_size = vma->vm_end - vma->vm_start; - int ret = 0, id = get_id(file); - - if (vma->vm_pgoff || !PMEM_IS_PAGE_ALIGNED(vma_size)) { -#if PMEM_DEBUG - printk(KERN_ERR "pmem: mmaps must be at offset zero, aligned" - " and a multiple of pages_size.\n"); -#endif - return -EINVAL; - } - - data = (struct pmem_data *)file->private_data; - down_write(&data->sem); - /* check this file isn't already mmaped, for submaps check this file - * has never been mmaped */ - if ((data->flags & PMEM_FLAGS_SUBMAP) || - (data->flags & PMEM_FLAGS_UNSUBMAP)) { -#if PMEM_DEBUG - printk(KERN_ERR "pmem: you can only mmap a pmem file once, " - "this file is already mmaped. %x\n", data->flags); -#endif - ret = -EINVAL; - goto error; - } - /* if file->private_data == unalloced, alloc*/ - if (data && data->index == -1) { - down_write(&pmem[id].bitmap_sem); - index = pmem_allocate(id, vma->vm_end - vma->vm_start); - up_write(&pmem[id].bitmap_sem); - data->index = index; - } - /* either no space was available or an error occured */ - if (!has_allocation(file)) { - ret = -EINVAL; - printk("pmem: could not find allocation for map.\n"); - goto error; - } - - if (pmem_len(id, data) < vma_size) { -#if PMEM_DEBUG - printk(KERN_WARNING "pmem: mmap size [%lu] does not match" - "size of backing region [%lu].\n", vma_size, - pmem_len(id, data)); -#endif - ret = -EINVAL; - goto error; - } - - vma->vm_pgoff = pmem_start_addr(id, data) >> PAGE_SHIFT; - vma->vm_page_prot = pmem_access_prot(file, vma->vm_page_prot); - - if (data->flags & PMEM_FLAGS_CONNECTED) { - struct pmem_region_node *region_node; - struct list_head *elt; - if (pmem_map_garbage(id, vma, data, 0, vma_size)) { - printk("pmem: mmap failed in kernel!\n"); - ret = -EAGAIN; - goto error; - } - list_for_each(elt, &data->region_list) { - region_node = list_entry(elt, struct pmem_region_node, - list); - DLOG("remapping file: %p %lx %lx\n", file, - region_node->region.offset, - region_node->region.len); - if (pmem_remap_pfn_range(id, vma, data, - region_node->region.offset, - region_node->region.len)) { - ret = -EAGAIN; - goto error; - } - } - data->flags |= PMEM_FLAGS_SUBMAP; - get_task_struct(current->group_leader); - data->task = current->group_leader; - data->vma = vma; -#if PMEM_DEBUG - data->pid = current->pid; -#endif - DLOG("submmapped file %p vma %p pid %u\n", file, vma, - current->pid); - } else { - if (pmem_map_pfn_range(id, vma, data, 0, vma_size)) { - printk(KERN_INFO "pmem: mmap failed in kernel!\n"); - ret = -EAGAIN; - goto error; - } - data->flags |= PMEM_FLAGS_MASTERMAP; - data->pid = current->pid; - } - vma->vm_ops = &vm_ops; -error: - up_write(&data->sem); - return ret; -} - -/* the following are the api for accessing pmem regions by other drivers - * from inside the kernel */ -int get_pmem_user_addr(struct file *file, unsigned long *start, - unsigned long *len) -{ - struct pmem_data *data; - if (!is_pmem_file(file) || !has_allocation(file)) { -#if PMEM_DEBUG - printk(KERN_INFO "pmem: requested pmem data from invalid" - "file.\n"); -#endif - return -1; - } - data = (struct pmem_data *)file->private_data; - down_read(&data->sem); - if (data->vma) { - *start = data->vma->vm_start; - *len = data->vma->vm_end - data->vma->vm_start; - } else { - *start = 0; - *len = 0; - } - up_read(&data->sem); - return 0; -} - -int get_pmem_addr(struct file *file, unsigned long *start, - unsigned long *vstart, unsigned long *len) -{ - struct pmem_data *data; - int id; - - if (!is_pmem_file(file) || !has_allocation(file)) { - return -1; - } - - data = (struct pmem_data *)file->private_data; - if (data->index == -1) { -#if PMEM_DEBUG - printk(KERN_INFO "pmem: requested pmem data from file with no " - "allocation.\n"); - return -1; -#endif - } - id = get_id(file); - - down_read(&data->sem); - *start = pmem_start_addr(id, data); - *len = pmem_len(id, data); - *vstart = (unsigned long)pmem_start_vaddr(id, data); - up_read(&data->sem); -#if PMEM_DEBUG - down_write(&data->sem); - data->ref++; - up_write(&data->sem); -#endif - return 0; -} - -int get_pmem_file(int fd, unsigned long *start, unsigned long *vstart, - unsigned long *len, struct file **filp) -{ - struct file *file; - - file = fget(fd); - if (unlikely(file == NULL)) { - printk(KERN_INFO "pmem: requested data from file descriptor " - "that doesn't exist."); - return -1; - } - - if (get_pmem_addr(file, start, vstart, len)) - goto end; - - if (filp) - *filp = file; - return 0; -end: - fput(file); - return -1; -} - -void put_pmem_file(struct file *file) -{ - struct pmem_data *data; - int id; - - if (!is_pmem_file(file)) - return; - id = get_id(file); - data = (struct pmem_data *)file->private_data; -#if PMEM_DEBUG - down_write(&data->sem); - if (data->ref == 0) { - printk("pmem: pmem_put > pmem_get %s (pid %d)\n", - pmem[id].dev.name, data->pid); - BUG(); - } - data->ref--; - up_write(&data->sem); -#endif - fput(file); -} - -void flush_pmem_file(struct file *file, unsigned long offset, unsigned long len) -{ - struct pmem_data *data; - int id; - void *vaddr; - struct pmem_region_node *region_node; - struct list_head *elt; - void *flush_start, *flush_end; - - if (!is_pmem_file(file) || !has_allocation(file)) { - return; - } - - id = get_id(file); - data = (struct pmem_data *)file->private_data; - if (!pmem[id].cached || file->f_flags & O_SYNC) - return; - - down_read(&data->sem); - vaddr = pmem_start_vaddr(id, data); - /* if this isn't a submmapped file, flush the whole thing */ - if (unlikely(!(data->flags & PMEM_FLAGS_CONNECTED))) { - dmac_flush_range(vaddr, vaddr + pmem_len(id, data)); - goto end; - } - /* otherwise, flush the region of the file we are drawing */ - list_for_each(elt, &data->region_list) { - region_node = list_entry(elt, struct pmem_region_node, list); - if ((offset >= region_node->region.offset) && - ((offset + len) <= (region_node->region.offset + - region_node->region.len))) { - flush_start = vaddr + region_node->region.offset; - flush_end = flush_start + region_node->region.len; - dmac_flush_range(flush_start, flush_end); - break; - } - } -end: - up_read(&data->sem); -} - -static int pmem_connect(unsigned long connect, struct file *file) -{ - struct pmem_data *data = (struct pmem_data *)file->private_data; - struct pmem_data *src_data; - struct file *src_file; - int ret = 0, put_needed; - - down_write(&data->sem); - /* retrieve the src file and check it is a pmem file with an alloc */ - src_file = fget_light(connect, &put_needed); - DLOG("connect %p to %p\n", file, src_file); - if (!src_file) { - printk("pmem: src file not found!\n"); - ret = -EINVAL; - goto err_no_file; - } - if (unlikely(!is_pmem_file(src_file) || !has_allocation(src_file))) { - printk(KERN_INFO "pmem: src file is not a pmem file or has no " - "alloc!\n"); - ret = -EINVAL; - goto err_bad_file; - } - src_data = (struct pmem_data *)src_file->private_data; - - if (has_allocation(file) && (data->index != src_data->index)) { - printk("pmem: file is already mapped but doesn't match this" - " src_file!\n"); - ret = -EINVAL; - goto err_bad_file; - } - data->index = src_data->index; - data->flags |= PMEM_FLAGS_CONNECTED; - data->master_fd = connect; - data->master_file = src_file; - -err_bad_file: - fput_light(src_file, put_needed); -err_no_file: - up_write(&data->sem); - return ret; -} - -static void pmem_unlock_data_and_mm(struct pmem_data *data, - struct mm_struct *mm) -{ - up_write(&data->sem); - if (mm != NULL) { - up_write(&mm->mmap_sem); - mmput(mm); - } -} - -static int pmem_lock_data_and_mm(struct file *file, struct pmem_data *data, - struct mm_struct **locked_mm) -{ - int ret = 0; - struct mm_struct *mm = NULL; - *locked_mm = NULL; -lock_mm: - down_read(&data->sem); - if (PMEM_IS_SUBMAP(data)) { - mm = get_task_mm(data->task); - if (!mm) { -#if PMEM_DEBUG - printk("pmem: can't remap task is gone!\n"); -#endif - up_read(&data->sem); - return -1; - } - } - up_read(&data->sem); - - if (mm) - down_write(&mm->mmap_sem); - - down_write(&data->sem); - /* check that the file didn't get mmaped before we could take the - * data sem, this should be safe b/c you can only submap each file - * once */ - if (PMEM_IS_SUBMAP(data) && !mm) { - pmem_unlock_data_and_mm(data, mm); - up_write(&data->sem); - goto lock_mm; - } - /* now check that vma.mm is still there, it could have been - * deleted by vma_close before we could get the data->sem */ - if ((data->flags & PMEM_FLAGS_UNSUBMAP) && (mm != NULL)) { - /* might as well release this */ - if (data->flags & PMEM_FLAGS_SUBMAP) { - put_task_struct(data->task); - data->task = NULL; - /* lower the submap flag to show the mm is gone */ - data->flags &= ~(PMEM_FLAGS_SUBMAP); - } - pmem_unlock_data_and_mm(data, mm); - return -1; - } - *locked_mm = mm; - return ret; -} - -int pmem_remap(struct pmem_region *region, struct file *file, - unsigned operation) -{ - int ret; - struct pmem_region_node *region_node; - struct mm_struct *mm = NULL; - struct list_head *elt, *elt2; - int id = get_id(file); - struct pmem_data *data = (struct pmem_data *)file->private_data; - - /* pmem region must be aligned on a page boundry */ - if (unlikely(!PMEM_IS_PAGE_ALIGNED(region->offset) || - !PMEM_IS_PAGE_ALIGNED(region->len))) { -#if PMEM_DEBUG - printk("pmem: request for unaligned pmem suballocation " - "%lx %lx\n", region->offset, region->len); -#endif - return -EINVAL; - } - - /* if userspace requests a region of len 0, there's nothing to do */ - if (region->len == 0) - return 0; - - /* lock the mm and data */ - ret = pmem_lock_data_and_mm(file, data, &mm); - if (ret) - return 0; - - /* only the owner of the master file can remap the client fds - * that back in it */ - if (!is_master_owner(file)) { -#if PMEM_DEBUG - printk("pmem: remap requested from non-master process\n"); -#endif - ret = -EINVAL; - goto err; - } - - /* check that the requested range is within the src allocation */ - if (unlikely((region->offset > pmem_len(id, data)) || - (region->len > pmem_len(id, data)) || - (region->offset + region->len > pmem_len(id, data)))) { -#if PMEM_DEBUG - printk(KERN_INFO "pmem: suballoc doesn't fit in src_file!\n"); -#endif - ret = -EINVAL; - goto err; - } - - if (operation == PMEM_MAP) { - region_node = kmalloc(sizeof(struct pmem_region_node), - GFP_KERNEL); - if (!region_node) { - ret = -ENOMEM; -#if PMEM_DEBUG - printk(KERN_INFO "No space to allocate metadata!"); -#endif - goto err; - } - region_node->region = *region; - list_add(®ion_node->list, &data->region_list); - } else if (operation == PMEM_UNMAP) { - int found = 0; - list_for_each_safe(elt, elt2, &data->region_list) { - region_node = list_entry(elt, struct pmem_region_node, - list); - if (region->len == 0 || - (region_node->region.offset == region->offset && - region_node->region.len == region->len)) { - list_del(elt); - kfree(region_node); - found = 1; - } - } - if (!found) { -#if PMEM_DEBUG - printk("pmem: Unmap region does not map any mapped " - "region!"); -#endif - ret = -EINVAL; - goto err; - } - } - - if (data->vma && PMEM_IS_SUBMAP(data)) { - if (operation == PMEM_MAP) - ret = pmem_remap_pfn_range(id, data->vma, data, - region->offset, region->len); - else if (operation == PMEM_UNMAP) - ret = pmem_unmap_pfn_range(id, data->vma, data, - region->offset, region->len); - } - -err: - pmem_unlock_data_and_mm(data, mm); - return ret; -} - -static void pmem_revoke(struct file *file, struct pmem_data *data) -{ - struct pmem_region_node *region_node; - struct list_head *elt, *elt2; - struct mm_struct *mm = NULL; - int id = get_id(file); - int ret = 0; - - data->master_file = NULL; - ret = pmem_lock_data_and_mm(file, data, &mm); - /* if lock_data_and_mm fails either the task that mapped the fd, or - * the vma that mapped it have already gone away, nothing more - * needs to be done */ - if (ret) - return; - /* unmap everything */ - /* delete the regions and region list nothing is mapped any more */ - if (data->vma) - list_for_each_safe(elt, elt2, &data->region_list) { - region_node = list_entry(elt, struct pmem_region_node, - list); - pmem_unmap_pfn_range(id, data->vma, data, - region_node->region.offset, - region_node->region.len); - list_del(elt); - kfree(region_node); - } - /* delete the master file */ - pmem_unlock_data_and_mm(data, mm); -} - -static void pmem_get_size(struct pmem_region *region, struct file *file) -{ - struct pmem_data *data = (struct pmem_data *)file->private_data; - int id = get_id(file); - - if (!has_allocation(file)) { - region->offset = 0; - region->len = 0; - return; - } else { - region->offset = pmem_start_addr(id, data); - region->len = pmem_len(id, data); - } - DLOG("offset %lx len %lx\n", region->offset, region->len); -} - - -static long pmem_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -{ - struct pmem_data *data; - int id = get_id(file); - - switch (cmd) { - case PMEM_GET_PHYS: - { - struct pmem_region region; - DLOG("get_phys\n"); - if (!has_allocation(file)) { - region.offset = 0; - region.len = 0; - } else { - data = (struct pmem_data *)file->private_data; - region.offset = pmem_start_addr(id, data); - region.len = pmem_len(id, data); - } - printk(KERN_INFO "pmem: request for physical address of pmem region " - "from process %d.\n", current->pid); - if (copy_to_user((void __user *)arg, ®ion, - sizeof(struct pmem_region))) - return -EFAULT; - break; - } - case PMEM_MAP: - { - struct pmem_region region; - if (copy_from_user(®ion, (void __user *)arg, - sizeof(struct pmem_region))) - return -EFAULT; - data = (struct pmem_data *)file->private_data; - return pmem_remap(®ion, file, PMEM_MAP); - } - break; - case PMEM_UNMAP: - { - struct pmem_region region; - if (copy_from_user(®ion, (void __user *)arg, - sizeof(struct pmem_region))) - return -EFAULT; - data = (struct pmem_data *)file->private_data; - return pmem_remap(®ion, file, PMEM_UNMAP); - break; - } - case PMEM_GET_SIZE: - { - struct pmem_region region; - DLOG("get_size\n"); - pmem_get_size(®ion, file); - if (copy_to_user((void __user *)arg, ®ion, - sizeof(struct pmem_region))) - return -EFAULT; - break; - } - case PMEM_GET_TOTAL_SIZE: - { - struct pmem_region region; - DLOG("get total size\n"); - region.offset = 0; - get_id(file); - region.len = pmem[id].size; - if (copy_to_user((void __user *)arg, ®ion, - sizeof(struct pmem_region))) - return -EFAULT; - break; - } - case PMEM_ALLOCATE: - { - if (has_allocation(file)) - return -EINVAL; - data = (struct pmem_data *)file->private_data; - data->index = pmem_allocate(id, arg); - break; - } - case PMEM_CONNECT: - DLOG("connect\n"); - return pmem_connect(arg, file); - break; - case PMEM_CACHE_FLUSH: - { - struct pmem_region region; - DLOG("flush\n"); - if (copy_from_user(®ion, (void __user *)arg, - sizeof(struct pmem_region))) - return -EFAULT; - flush_pmem_file(file, region.offset, region.len); - break; - } - default: - if (pmem[id].ioctl) - return pmem[id].ioctl(file, cmd, arg); - return -EINVAL; - } - return 0; -} - -#if PMEM_DEBUG -static ssize_t debug_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - -static ssize_t debug_read(struct file *file, char __user *buf, size_t count, - loff_t *ppos) -{ - struct list_head *elt, *elt2; - struct pmem_data *data; - struct pmem_region_node *region_node; - int id = (int)file->private_data; - const int debug_bufmax = 4096; - static char buffer[4096]; - int n = 0; - - DLOG("debug open\n"); - n = scnprintf(buffer, debug_bufmax, - "pid #: mapped regions (offset, len) (offset,len)...\n"); - - mutex_lock(&pmem[id].data_list_lock); - list_for_each(elt, &pmem[id].data_list) { - data = list_entry(elt, struct pmem_data, list); - down_read(&data->sem); - n += scnprintf(buffer + n, debug_bufmax - n, "pid %u:", - data->pid); - list_for_each(elt2, &data->region_list) { - region_node = list_entry(elt2, struct pmem_region_node, - list); - n += scnprintf(buffer + n, debug_bufmax - n, - "(%lx,%lx) ", - region_node->region.offset, - region_node->region.len); - } - n += scnprintf(buffer + n, debug_bufmax - n, "\n"); - up_read(&data->sem); - } - mutex_unlock(&pmem[id].data_list_lock); - - n++; - buffer[n] = 0; - return simple_read_from_buffer(buf, count, ppos, buffer, n); -} - -static struct file_operations debug_fops = { - .read = debug_read, - .open = debug_open, -}; -#endif - -#if 0 -static struct miscdevice pmem_dev = { - .name = "pmem", - .fops = &pmem_fops, -}; -#endif - -int pmem_setup(struct android_pmem_platform_data *pdata, - long (*ioctl)(struct file *, unsigned int, unsigned long), - int (*release)(struct inode *, struct file *)) -{ - int err = 0; - int i, index = 0; - int id = id_count; - id_count++; - - pmem[id].no_allocator = pdata->no_allocator; - pmem[id].cached = pdata->cached; - pmem[id].buffered = pdata->buffered; - pmem[id].base = pdata->start; - pmem[id].size = pdata->size; - pmem[id].ioctl = ioctl; - pmem[id].release = release; - init_rwsem(&pmem[id].bitmap_sem); - mutex_init(&pmem[id].data_list_lock); - INIT_LIST_HEAD(&pmem[id].data_list); - pmem[id].dev.name = pdata->name; - pmem[id].dev.minor = id; - pmem[id].dev.fops = &pmem_fops; - printk(KERN_INFO "%s: %d init\n", pdata->name, pdata->cached); - - err = misc_register(&pmem[id].dev); - if (err) { - printk(KERN_ALERT "Unable to register pmem driver!\n"); - goto err_cant_register_device; - } - pmem[id].num_entries = pmem[id].size / PMEM_MIN_ALLOC; - - pmem[id].bitmap = kmalloc(pmem[id].num_entries * - sizeof(struct pmem_bits), GFP_KERNEL); - if (!pmem[id].bitmap) - goto err_no_mem_for_metadata; - - memset(pmem[id].bitmap, 0, sizeof(struct pmem_bits) * - pmem[id].num_entries); - - for (i = sizeof(pmem[id].num_entries) * 8 - 1; i >= 0; i--) { - if ((pmem[id].num_entries) & 1<<i) { - PMEM_ORDER(id, index) = i; - index = PMEM_NEXT_INDEX(id, index); - } - } - - if (pmem[id].cached) - pmem[id].vbase = ioremap_cached(pmem[id].base, - pmem[id].size); -#ifdef ioremap_ext_buffered - else if (pmem[id].buffered) - pmem[id].vbase = ioremap_ext_buffered(pmem[id].base, - pmem[id].size); -#endif - else - pmem[id].vbase = ioremap(pmem[id].base, pmem[id].size); - - if (pmem[id].vbase == 0) - goto error_cant_remap; - - pmem[id].garbage_pfn = page_to_pfn(alloc_page(GFP_KERNEL)); - if (pmem[id].no_allocator) - pmem[id].allocated = 0; - -#if PMEM_DEBUG - debugfs_create_file(pdata->name, S_IFREG | S_IRUGO, NULL, (void *)id, - &debug_fops); -#endif - return 0; -error_cant_remap: - kfree(pmem[id].bitmap); -err_no_mem_for_metadata: - misc_deregister(&pmem[id].dev); -err_cant_register_device: - return -1; -} - -static int pmem_probe(struct platform_device *pdev) -{ - struct android_pmem_platform_data *pdata; - - if (!pdev || !pdev->dev.platform_data) { - printk(KERN_ALERT "Unable to probe pmem!\n"); - return -1; - } - pdata = pdev->dev.platform_data; - return pmem_setup(pdata, NULL, NULL); -} - - -static int pmem_remove(struct platform_device *pdev) -{ - int id = pdev->id; - __free_page(pfn_to_page(pmem[id].garbage_pfn)); - misc_deregister(&pmem[id].dev); - return 0; -} - -static struct platform_driver pmem_driver = { - .probe = pmem_probe, - .remove = pmem_remove, - .driver = { .name = "android_pmem" } -}; - - -static int __init pmem_init(void) -{ - return platform_driver_register(&pmem_driver); -} - -static void __exit pmem_exit(void) -{ - platform_driver_unregister(&pmem_driver); -} - -module_init(pmem_init); -module_exit(pmem_exit); - diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c index e77e4e0396cf9f..1df9586f273088 100644 --- a/drivers/staging/asus_oled/asus_oled.c +++ b/drivers/staging/asus_oled/asus_oled.c @@ -355,7 +355,14 @@ static void send_data(struct asus_oled_dev *odev) static int append_values(struct asus_oled_dev *odev, uint8_t val, size_t count) { - while (count-- > 0 && val) { + odev->last_val = val; + + if (val == 0) { + odev->buf_offs += count; + return 0; + } + + while (count-- > 0) { size_t x = odev->buf_offs % odev->width; size_t y = odev->buf_offs / odev->width; size_t i; @@ -406,7 +413,6 @@ static int append_values(struct asus_oled_dev *odev, uint8_t val, size_t count) ; } - odev->last_val = val; odev->buf_offs++; } @@ -805,10 +811,9 @@ error: static void __exit asus_oled_exit(void) { + usb_deregister(&oled_driver); class_remove_file(oled_class, &class_attr_version.attr); class_destroy(oled_class); - - usb_deregister(&oled_driver); } module_init(asus_oled_init); diff --git a/drivers/staging/gma500/Kconfig b/drivers/staging/gma500/Kconfig deleted file mode 100644 index c7a2b3bc0a1840..00000000000000 --- a/drivers/staging/gma500/Kconfig +++ /dev/null @@ -1,33 +0,0 @@ -config DRM_PSB - tristate "Intel GMA5/600 KMS Framebuffer" - depends on DRM && PCI && X86 && BROKEN - select FB_CFB_COPYAREA - select FB_CFB_FILLRECT - select FB_CFB_IMAGEBLIT - select DRM_KMS_HELPER - select DRM_TTM - help - Say yes for an experimental 2D KMS framebuffer driver for the - Intel GMA500 ('Poulsbo') and other Intel IMG based graphics - devices. - -config DRM_PSB_MRST - bool "Intel GMA600 support (Experimental)" - depends on DRM_PSB - help - Say yes to include support for GMA600 (Intel Moorestown/Oaktrail) - platforms with LVDS ports. HDMI and MIPI are not currently - supported. - -config DRM_PSB_MFLD - bool "Intel Medfield support (Experimental)" - depends on DRM_PSB - help - Say yes to include support for Intel Medfield platforms with MIPI - interfaces. - -config DRM_PSB_CDV - bool "Intel Cedarview support (Experimental)" - depends on DRM_PSB - help - Say yes to include support for Intel Cedarview platforms diff --git a/drivers/staging/gma500/Makefile b/drivers/staging/gma500/Makefile deleted file mode 100644 index c729868b1b1011..00000000000000 --- a/drivers/staging/gma500/Makefile +++ /dev/null @@ -1,52 +0,0 @@ -# -# KMS driver for the GMA500 -# -ccflags-y += -Iinclude/drm - -psb_gfx-y += gem_glue.o \ - accel_2d.o \ - backlight.o \ - framebuffer.o \ - gem.o \ - gtt.o \ - intel_bios.o \ - intel_i2c.o \ - intel_opregion.o \ - mmu.o \ - power.o \ - psb_drv.o \ - psb_intel_display.o \ - psb_intel_lvds.o \ - psb_intel_modes.o \ - psb_intel_sdvo.o \ - psb_lid.o \ - psb_irq.o \ - psb_device.o \ - mid_bios.o - -psb_gfx-$(CONFIG_DRM_PSB_CDV) += cdv_device.o \ - cdv_intel_crt.o \ - cdv_intel_display.o \ - cdv_intel_hdmi.o \ - cdv_intel_lvds.o - -psb_gfx-$(CONFIG_DRM_PSB_MRST) += mrst_device.o \ - mrst_crtc.o \ - mrst_lvds.o \ - mrst_hdmi.o \ - mrst_hdmi_i2c.o - -psb_gfx-$(CONFIG_DRM_PSB_MFLD) += mdfld_device.o \ - mdfld_output.o \ - mdfld_pyr_cmd.o \ - mdfld_tmd_vid.o \ - mdfld_tpo_cmd.o \ - mdfld_tpo_vid.o \ - mdfld_dsi_pkg_sender.o \ - mdfld_dsi_dpi.o \ - mdfld_dsi_output.o \ - mdfld_dsi_dbi.o \ - mdfld_dsi_dbi_dpu.o \ - mdfld_intel_display.o - -obj-$(CONFIG_DRM_PSB) += psb_gfx.o diff --git a/drivers/staging/gma500/TODO b/drivers/staging/gma500/TODO deleted file mode 100644 index fc836158e74c12..00000000000000 --- a/drivers/staging/gma500/TODO +++ /dev/null @@ -1,15 +0,0 @@ -- Sort out the power management side. Not important for Poulsbo but - matters for Moorestown/Medfield -- Debug Oaktrail/Moorestown support (single pipe, no BIOS on mrst, - some other differences) -- Add 2D acceleration via console and DRM -- Add scrolling acceleration using the GTT to do remapping on the main - framebuffer. -- HDMI testing -- Oaktrail HDMI and other features -- Oaktrail MIPI -- Medfield needs a lot of further love - -As per kernel policy and the in the interest of the safety of various -kittens there is no support or plans to add hooks for the closed user space -stuff. diff --git a/drivers/staging/gma500/accel_2d.c b/drivers/staging/gma500/accel_2d.c deleted file mode 100644 index b8f78ebbb145f0..00000000000000 --- a/drivers/staging/gma500/accel_2d.c +++ /dev/null @@ -1,414 +0,0 @@ -/************************************************************************** - * Copyright (c) 2007-2011, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to - * develop this driver. - * - **************************************************************************/ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/tty.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/console.h> - -#include <drm/drmP.h> -#include <drm/drm.h> -#include <drm/drm_crtc.h> - -#include "psb_drv.h" -#include "psb_reg.h" -#include "framebuffer.h" - -/** - * psb_spank - reset the 2D engine - * @dev_priv: our PSB DRM device - * - * Soft reset the graphics engine and then reload the necessary registers. - * We use this at initialisation time but it will become relevant for - * accelerated X later - */ -void psb_spank(struct drm_psb_private *dev_priv) -{ - PSB_WSGX32(_PSB_CS_RESET_BIF_RESET | _PSB_CS_RESET_DPM_RESET | - _PSB_CS_RESET_TA_RESET | _PSB_CS_RESET_USE_RESET | - _PSB_CS_RESET_ISP_RESET | _PSB_CS_RESET_TSP_RESET | - _PSB_CS_RESET_TWOD_RESET, PSB_CR_SOFT_RESET); - PSB_RSGX32(PSB_CR_SOFT_RESET); - - msleep(1); - - PSB_WSGX32(0, PSB_CR_SOFT_RESET); - wmb(); - PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_CB_CTRL_CLEAR_FAULT, - PSB_CR_BIF_CTRL); - wmb(); - (void) PSB_RSGX32(PSB_CR_BIF_CTRL); - - msleep(1); - PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_CB_CTRL_CLEAR_FAULT, - PSB_CR_BIF_CTRL); - (void) PSB_RSGX32(PSB_CR_BIF_CTRL); - PSB_WSGX32(dev_priv->gtt.gatt_start, PSB_CR_BIF_TWOD_REQ_BASE); -} - -/** - * psb2_2d_wait_available - wait for FIFO room - * @dev_priv: our DRM device - * @size: size (in dwords) of the command we want to issue - * - * Wait until there is room to load the FIFO with our data. If the - * device is not responding then reset it - */ -static int psb_2d_wait_available(struct drm_psb_private *dev_priv, - unsigned size) -{ - uint32_t avail = PSB_RSGX32(PSB_CR_2D_SOCIF); - unsigned long t = jiffies + HZ; - - while (avail < size) { - avail = PSB_RSGX32(PSB_CR_2D_SOCIF); - if (time_after(jiffies, t)) { - psb_spank(dev_priv); - return -EIO; - } - } - return 0; -} - -/** - * psb_2d_submit - submit a 2D command - * @dev_priv: our DRM device - * @cmdbuf: command to issue - * @size: length (in dwords) - * - * Issue one or more 2D commands to the accelerator. This needs to be - * serialized later when we add the GEM interfaces for acceleration - */ -static int psbfb_2d_submit(struct drm_psb_private *dev_priv, uint32_t *cmdbuf, - unsigned size) -{ - int ret = 0; - int i; - unsigned submit_size; - unsigned long flags; - - spin_lock_irqsave(&dev_priv->lock_2d, flags); - while (size > 0) { - submit_size = (size < 0x60) ? size : 0x60; - size -= submit_size; - ret = psb_2d_wait_available(dev_priv, submit_size); - if (ret) - break; - - submit_size <<= 2; - - for (i = 0; i < submit_size; i += 4) - PSB_WSGX32(*cmdbuf++, PSB_SGX_2D_SLAVE_PORT + i); - - (void)PSB_RSGX32(PSB_SGX_2D_SLAVE_PORT + i - 4); - } - spin_unlock_irqrestore(&dev_priv->lock_2d, flags); - return ret; -} - - -/** - * psb_accel_2d_copy_direction - compute blit order - * @xdir: X direction of move - * @ydir: Y direction of move - * - * Compute the correct order setings to ensure that an overlapping blit - * correctly copies all the pixels. - */ -static u32 psb_accel_2d_copy_direction(int xdir, int ydir) -{ - if (xdir < 0) - return (ydir < 0) ? PSB_2D_COPYORDER_BR2TL : - PSB_2D_COPYORDER_TR2BL; - else - return (ydir < 0) ? PSB_2D_COPYORDER_BL2TR : - PSB_2D_COPYORDER_TL2BR; -} - -/** - * psb_accel_2d_copy - accelerated 2D copy - * @dev_priv: our DRM device - * @src_offset in bytes - * @src_stride in bytes - * @src_format psb 2D format defines - * @dst_offset in bytes - * @dst_stride in bytes - * @dst_format psb 2D format defines - * @src_x offset in pixels - * @src_y offset in pixels - * @dst_x offset in pixels - * @dst_y offset in pixels - * @size_x of the copied area - * @size_y of the copied area - * - * Format and issue a 2D accelerated copy command. - */ -static int psb_accel_2d_copy(struct drm_psb_private *dev_priv, - uint32_t src_offset, uint32_t src_stride, - uint32_t src_format, uint32_t dst_offset, - uint32_t dst_stride, uint32_t dst_format, - uint16_t src_x, uint16_t src_y, - uint16_t dst_x, uint16_t dst_y, - uint16_t size_x, uint16_t size_y) -{ - uint32_t blit_cmd; - uint32_t buffer[10]; - uint32_t *buf; - uint32_t direction; - - buf = buffer; - - direction = - psb_accel_2d_copy_direction(src_x - dst_x, src_y - dst_y); - - if (direction == PSB_2D_COPYORDER_BR2TL || - direction == PSB_2D_COPYORDER_TR2BL) { - src_x += size_x - 1; - dst_x += size_x - 1; - } - if (direction == PSB_2D_COPYORDER_BR2TL || - direction == PSB_2D_COPYORDER_BL2TR) { - src_y += size_y - 1; - dst_y += size_y - 1; - } - - blit_cmd = - PSB_2D_BLIT_BH | - PSB_2D_ROT_NONE | - PSB_2D_DSTCK_DISABLE | - PSB_2D_SRCCK_DISABLE | - PSB_2D_USE_PAT | PSB_2D_ROP3_SRCCOPY | direction; - - *buf++ = PSB_2D_FENCE_BH; - *buf++ = - PSB_2D_DST_SURF_BH | dst_format | (dst_stride << - PSB_2D_DST_STRIDE_SHIFT); - *buf++ = dst_offset; - *buf++ = - PSB_2D_SRC_SURF_BH | src_format | (src_stride << - PSB_2D_SRC_STRIDE_SHIFT); - *buf++ = src_offset; - *buf++ = - PSB_2D_SRC_OFF_BH | (src_x << PSB_2D_SRCOFF_XSTART_SHIFT) | - (src_y << PSB_2D_SRCOFF_YSTART_SHIFT); - *buf++ = blit_cmd; - *buf++ = - (dst_x << PSB_2D_DST_XSTART_SHIFT) | (dst_y << - PSB_2D_DST_YSTART_SHIFT); - *buf++ = - (size_x << PSB_2D_DST_XSIZE_SHIFT) | (size_y << - PSB_2D_DST_YSIZE_SHIFT); - *buf++ = PSB_2D_FLUSH_BH; - - return psbfb_2d_submit(dev_priv, buffer, buf - buffer); -} - -/** - * psbfb_copyarea_accel - copyarea acceleration for /dev/fb - * @info: our framebuffer - * @a: copyarea parameters from the framebuffer core - * - * Perform a 2D copy via the accelerator - */ -static void psbfb_copyarea_accel(struct fb_info *info, - const struct fb_copyarea *a) -{ - struct psb_fbdev *fbdev = info->par; - struct psb_framebuffer *psbfb = &fbdev->pfb; - struct drm_device *dev = psbfb->base.dev; - struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb; - struct drm_psb_private *dev_priv = dev->dev_private; - uint32_t offset; - uint32_t stride; - uint32_t src_format; - uint32_t dst_format; - - if (!fb) - return; - - offset = psbfb->gtt->offset; - stride = fb->pitches[0]; - - switch (fb->depth) { - case 8: - src_format = PSB_2D_SRC_332RGB; - dst_format = PSB_2D_DST_332RGB; - break; - case 15: - src_format = PSB_2D_SRC_555RGB; - dst_format = PSB_2D_DST_555RGB; - break; - case 16: - src_format = PSB_2D_SRC_565RGB; - dst_format = PSB_2D_DST_565RGB; - break; - case 24: - case 32: - /* this is wrong but since we don't do blending its okay */ - src_format = PSB_2D_SRC_8888ARGB; - dst_format = PSB_2D_DST_8888ARGB; - break; - default: - /* software fallback */ - cfb_copyarea(info, a); - return; - } - - if (!gma_power_begin(dev, false)) { - cfb_copyarea(info, a); - return; - } - psb_accel_2d_copy(dev_priv, - offset, stride, src_format, - offset, stride, dst_format, - a->sx, a->sy, a->dx, a->dy, a->width, a->height); - gma_power_end(dev); -} - -/** - * psbfb_copyarea - 2D copy interface - * @info: our framebuffer - * @region: region to copy - * - * Copy an area of the framebuffer console either by the accelerator - * or directly using the cfb helpers according to the request - */ -void psbfb_copyarea(struct fb_info *info, - const struct fb_copyarea *region) -{ - if (unlikely(info->state != FBINFO_STATE_RUNNING)) - return; - - /* Avoid the 8 pixel erratum */ - if (region->width == 8 || region->height == 8 || - (info->flags & FBINFO_HWACCEL_DISABLED)) - return cfb_copyarea(info, region); - - psbfb_copyarea_accel(info, region); -} - -/** - * psbfb_sync - synchronize 2D - * @info: our framebuffer - * - * Wait for the 2D engine to quiesce so that we can do CPU - * access to the framebuffer again - */ -int psbfb_sync(struct fb_info *info) -{ - struct psb_fbdev *fbdev = info->par; - struct psb_framebuffer *psbfb = &fbdev->pfb; - struct drm_device *dev = psbfb->base.dev; - struct drm_psb_private *dev_priv = dev->dev_private; - unsigned long _end = jiffies + DRM_HZ; - int busy = 0; - unsigned long flags; - - spin_lock_irqsave(&dev_priv->lock_2d, flags); - /* - * First idle the 2D engine. - */ - - if ((PSB_RSGX32(PSB_CR_2D_SOCIF) == _PSB_C2_SOCIF_EMPTY) && - ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & _PSB_C2B_STATUS_BUSY) == 0)) - goto out; - - do { - busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY); - cpu_relax(); - } while (busy && !time_after_eq(jiffies, _end)); - - if (busy) - busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY); - if (busy) - goto out; - - do { - busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & - _PSB_C2B_STATUS_BUSY) != 0); - cpu_relax(); - } while (busy && !time_after_eq(jiffies, _end)); - if (busy) - busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & - _PSB_C2B_STATUS_BUSY) != 0); - -out: - spin_unlock_irqrestore(&dev_priv->lock_2d, flags); - return (busy) ? -EBUSY : 0; -} - -int psb_accel_ioctl(struct drm_device *dev, void *data, struct drm_file *file) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct drm_psb_2d_op *op = data; - u32 *op_ptr = &op->cmd[0]; - int i; - struct drm_gem_object *obj; - struct gtt_range *gtt; - int err = -EINVAL; - - if (!dev_priv->ops->accel_2d) - return -EOPNOTSUPP; - if (op->size > PSB_2D_OP_BUFLEN) - return -EINVAL; - - /* The GEM object being used. We need to support separate src/dst/etc - in the end but for now keep them all the same */ - obj = drm_gem_object_lookup(dev, file, op->src); - if (obj == NULL) - return -ENOENT; - gtt = container_of(obj, struct gtt_range, gem); - - if (psb_gtt_pin(gtt) < 0) - goto bad_2; - for (i = 0; i < op->size; i++, op_ptr++) { - u32 r = *op_ptr & 0xF0000000; - /* Fill in the GTT offsets for the command buffer */ - if (r == PSB_2D_SRC_SURF_BH || - r == PSB_2D_DST_SURF_BH || - r == PSB_2D_MASK_SURF_BH || - r == PSB_2D_PAT_SURF_BH) { - i++; - op_ptr++; - if (i == op->size) - goto bad; - if (*op_ptr) - goto bad; - *op_ptr = gtt->offset; - continue; - } - } - psbfb_2d_submit(dev_priv, op->cmd, op->size); - err = 0; -bad: - psb_gtt_unpin(gtt); -bad_2: - drm_gem_object_unreference(obj); - return err; -} diff --git a/drivers/staging/gma500/backlight.c b/drivers/staging/gma500/backlight.c deleted file mode 100644 index 20793951fcac77..00000000000000 --- a/drivers/staging/gma500/backlight.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * GMA500 Backlight Interface - * - * Copyright (c) 2009-2011, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: Eric Knopp - * - */ - -#include "psb_drv.h" -#include "psb_intel_reg.h" -#include "psb_intel_drv.h" -#include "intel_bios.h" -#include "power.h" - -int gma_backlight_init(struct drm_device *dev) -{ -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - struct drm_psb_private *dev_priv = dev->dev_private; - return dev_priv->ops->backlight_init(dev); -#else - return 0; -#endif -} - -void gma_backlight_exit(struct drm_device *dev) -{ -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - struct drm_psb_private *dev_priv = dev->dev_private; - if (dev_priv->backlight_device) { - dev_priv->backlight_device->props.brightness = 0; - backlight_update_status(dev_priv->backlight_device); - backlight_device_unregister(dev_priv->backlight_device); - } -#endif -} diff --git a/drivers/staging/gma500/cdv_device.c b/drivers/staging/gma500/cdv_device.c deleted file mode 100644 index 8ec10caab13e52..00000000000000 --- a/drivers/staging/gma500/cdv_device.c +++ /dev/null @@ -1,350 +0,0 @@ -/************************************************************************** - * Copyright (c) 2011, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - **************************************************************************/ - -#include <linux/backlight.h> -#include <drm/drmP.h> -#include <drm/drm.h> -#include "psb_drm.h" -#include "psb_drv.h" -#include "psb_reg.h" -#include "psb_intel_reg.h" -#include "intel_bios.h" -#include "cdv_device.h" - -#define VGA_SR_INDEX 0x3c4 -#define VGA_SR_DATA 0x3c5 - -static void cdv_disable_vga(struct drm_device *dev) -{ - u8 sr1; - u32 vga_reg; - - vga_reg = VGACNTRL; - - outb(1, VGA_SR_INDEX); - sr1 = inb(VGA_SR_DATA); - outb(sr1 | 1<<5, VGA_SR_DATA); - udelay(300); - - REG_WRITE(vga_reg, VGA_DISP_DISABLE); - REG_READ(vga_reg); -} - -static int cdv_output_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - cdv_disable_vga(dev); - - cdv_intel_crt_init(dev, &dev_priv->mode_dev); - cdv_intel_lvds_init(dev, &dev_priv->mode_dev); - - /* These bits indicate HDMI not SDVO on CDV, but we don't yet support - the HDMI interface */ - if (REG_READ(SDVOB) & SDVO_DETECTED) - cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOB); - if (REG_READ(SDVOC) & SDVO_DETECTED) - cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOC); - return 0; -} - -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - -/* - * Poulsbo Backlight Interfaces - */ - -#define BLC_PWM_PRECISION_FACTOR 100 /* 10000000 */ -#define BLC_PWM_FREQ_CALC_CONSTANT 32 -#define MHz 1000000 - -#define PSB_BLC_PWM_PRECISION_FACTOR 10 -#define PSB_BLC_MAX_PWM_REG_FREQ 0xFFFE -#define PSB_BLC_MIN_PWM_REG_FREQ 0x2 - -#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE) -#define PSB_BACKLIGHT_PWM_CTL_SHIFT (16) - -static int cdv_brightness; -static struct backlight_device *cdv_backlight_device; - -static int cdv_get_brightness(struct backlight_device *bd) -{ - /* return locally cached var instead of HW read (due to DPST etc.) */ - /* FIXME: ideally return actual value in case firmware fiddled with - it */ - return cdv_brightness; -} - - -static int cdv_backlight_setup(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - unsigned long core_clock; - /* u32 bl_max_freq; */ - /* unsigned long value; */ - u16 bl_max_freq; - uint32_t value; - uint32_t blc_pwm_precision_factor; - - /* get bl_max_freq and pol from dev_priv*/ - if (!dev_priv->lvds_bl) { - dev_err(dev->dev, "Has no valid LVDS backlight info\n"); - return -ENOENT; - } - bl_max_freq = dev_priv->lvds_bl->freq; - blc_pwm_precision_factor = PSB_BLC_PWM_PRECISION_FACTOR; - - core_clock = dev_priv->core_freq; - - value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT; - value *= blc_pwm_precision_factor; - value /= bl_max_freq; - value /= blc_pwm_precision_factor; - - if (value > (unsigned long long)PSB_BLC_MAX_PWM_REG_FREQ || - value < (unsigned long long)PSB_BLC_MIN_PWM_REG_FREQ) - return -ERANGE; - else { - /* FIXME */ - } - return 0; -} - -static int cdv_set_brightness(struct backlight_device *bd) -{ - int level = bd->props.brightness; - - /* Percentage 1-100% being valid */ - if (level < 1) - level = 1; - - /*cdv_intel_lvds_set_brightness(dev, level); FIXME */ - cdv_brightness = level; - return 0; -} - -static const struct backlight_ops cdv_ops = { - .get_brightness = cdv_get_brightness, - .update_status = cdv_set_brightness, -}; - -static int cdv_backlight_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - int ret; - struct backlight_properties props; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.max_brightness = 100; - props.type = BACKLIGHT_PLATFORM; - - cdv_backlight_device = backlight_device_register("psb-bl", - NULL, (void *)dev, &cdv_ops, &props); - if (IS_ERR(cdv_backlight_device)) - return PTR_ERR(cdv_backlight_device); - - ret = cdv_backlight_setup(dev); - if (ret < 0) { - backlight_device_unregister(cdv_backlight_device); - cdv_backlight_device = NULL; - return ret; - } - cdv_backlight_device->props.brightness = 100; - cdv_backlight_device->props.max_brightness = 100; - backlight_update_status(cdv_backlight_device); - dev_priv->backlight_device = cdv_backlight_device; - return 0; -} - -#endif - -/* - * Provide the Cedarview specific chip logic and low level methods - * for power management - * - * FIXME: we need to implement the apm/ospm base management bits - * for this and the MID devices. - */ - -static inline u32 CDV_MSG_READ32(uint port, uint offset) -{ - int mcr = (0x10<<24) | (port << 16) | (offset << 8); - uint32_t ret_val = 0; - struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); - pci_write_config_dword(pci_root, 0xD0, mcr); - pci_read_config_dword(pci_root, 0xD4, &ret_val); - pci_dev_put(pci_root); - return ret_val; -} - -static inline void CDV_MSG_WRITE32(uint port, uint offset, u32 value) -{ - int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0; - struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); - pci_write_config_dword(pci_root, 0xD4, value); - pci_write_config_dword(pci_root, 0xD0, mcr); - pci_dev_put(pci_root); -} - -#define PSB_APM_CMD 0x0 -#define PSB_APM_STS 0x04 -#define PSB_PM_SSC 0x20 -#define PSB_PM_SSS 0x30 -#define PSB_PWRGT_GFX_MASK 0x3 -#define CDV_PWRGT_DISPLAY_CNTR 0x000fc00c -#define CDV_PWRGT_DISPLAY_STS 0x000fc00c - -static void cdv_init_pm(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - u32 pwr_cnt; - int i; - - dev_priv->apm_base = CDV_MSG_READ32(PSB_PUNIT_PORT, - PSB_APMBA) & 0xFFFF; - dev_priv->ospm_base = CDV_MSG_READ32(PSB_PUNIT_PORT, - PSB_OSPMBA) & 0xFFFF; - - /* Force power on for now */ - pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD); - pwr_cnt &= ~PSB_PWRGT_GFX_MASK; - - outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD); - for (i = 0; i < 5; i++) { - u32 pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS); - if ((pwr_sts & PSB_PWRGT_GFX_MASK) == 0) - break; - udelay(10); - } - pwr_cnt = inl(dev_priv->ospm_base + PSB_PM_SSC); - pwr_cnt &= ~CDV_PWRGT_DISPLAY_CNTR; - outl(pwr_cnt, dev_priv->ospm_base + PSB_PM_SSC); - for (i = 0; i < 5; i++) { - u32 pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS); - if ((pwr_sts & CDV_PWRGT_DISPLAY_STS) == 0) - break; - udelay(10); - } -} - -/** - * cdv_save_display_registers - save registers lost on suspend - * @dev: our DRM device - * - * Save the state we need in order to be able to restore the interface - * upon resume from suspend - * - * FIXME: review - */ -static int cdv_save_display_registers(struct drm_device *dev) -{ - return 0; -} - -/** - * cdv_restore_display_registers - restore lost register state - * @dev: our DRM device - * - * Restore register state that was lost during suspend and resume. - * - * FIXME: review - */ -static int cdv_restore_display_registers(struct drm_device *dev) -{ - return 0; -} - -static int cdv_power_down(struct drm_device *dev) -{ - return 0; -} - -static int cdv_power_up(struct drm_device *dev) -{ - return 0; -} - -/* FIXME ? - shared with Poulsbo */ -static void cdv_get_core_freq(struct drm_device *dev) -{ - uint32_t clock; - struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); - struct drm_psb_private *dev_priv = dev->dev_private; - - pci_write_config_dword(pci_root, 0xD0, 0xD0050300); - pci_read_config_dword(pci_root, 0xD4, &clock); - pci_dev_put(pci_root); - - switch (clock & 0x07) { - case 0: - dev_priv->core_freq = 100; - break; - case 1: - dev_priv->core_freq = 133; - break; - case 2: - dev_priv->core_freq = 150; - break; - case 3: - dev_priv->core_freq = 178; - break; - case 4: - dev_priv->core_freq = 200; - break; - case 5: - case 6: - case 7: - dev_priv->core_freq = 266; - default: - dev_priv->core_freq = 0; - } -} - -static int cdv_chip_setup(struct drm_device *dev) -{ - cdv_get_core_freq(dev); - gma_intel_opregion_init(dev); - psb_intel_init_bios(dev); - return 0; -} - -/* CDV is much like Poulsbo but has MID like SGX offsets and PM */ - -const struct psb_ops cdv_chip_ops = { - .name = "Cedartrail", - .accel_2d = 0, - .pipes = 2, - .sgx_offset = MRST_SGX_OFFSET, - .chip_setup = cdv_chip_setup, - - .crtc_helper = &cdv_intel_helper_funcs, - .crtc_funcs = &cdv_intel_crtc_funcs, - - .output_init = cdv_output_init, - -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - .backlight_init = cdv_backlight_init, -#endif - - .init_pm = cdv_init_pm, - .save_regs = cdv_save_display_registers, - .restore_regs = cdv_restore_display_registers, - .power_down = cdv_power_down, - .power_up = cdv_power_up, -}; diff --git a/drivers/staging/gma500/cdv_device.h b/drivers/staging/gma500/cdv_device.h deleted file mode 100644 index 2a88b7beb551e3..00000000000000 --- a/drivers/staging/gma500/cdv_device.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Copyright © 2011 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - */ - -extern const struct drm_crtc_helper_funcs cdv_intel_helper_funcs; -extern const struct drm_crtc_funcs cdv_intel_crtc_funcs; -extern void cdv_intel_crt_init(struct drm_device *dev, - struct psb_intel_mode_device *mode_dev); -extern void cdv_intel_lvds_init(struct drm_device *dev, - struct psb_intel_mode_device *mode_dev); -extern void cdv_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, - int reg); -extern struct drm_display_mode *cdv_intel_crtc_mode_get(struct drm_device *dev, - struct drm_crtc *crtc); - -extern inline void cdv_intel_wait_for_vblank(struct drm_device *dev) -{ - /* Wait for 20ms, i.e. one cycle at 50hz. */ - /* FIXME: msleep ?? */ - mdelay(20); -} - - diff --git a/drivers/staging/gma500/cdv_intel_crt.c b/drivers/staging/gma500/cdv_intel_crt.c deleted file mode 100644 index efda63b97b45e0..00000000000000 --- a/drivers/staging/gma500/cdv_intel_crt.c +++ /dev/null @@ -1,326 +0,0 @@ -/* - * Copyright © 2006-2007 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Eric Anholt <eric@anholt.net> - */ - -#include <linux/i2c.h> -#include <drm/drmP.h> - -#include "intel_bios.h" -#include "psb_drv.h" -#include "psb_intel_drv.h" -#include "psb_intel_reg.h" -#include "power.h" -#include <linux/pm_runtime.h> - - -static void cdv_intel_crt_dpms(struct drm_encoder *encoder, int mode) -{ - struct drm_device *dev = encoder->dev; - u32 temp, reg; - reg = ADPA; - - temp = REG_READ(reg); - temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE); - temp &= ~ADPA_DAC_ENABLE; - - switch (mode) { - case DRM_MODE_DPMS_ON: - temp |= ADPA_DAC_ENABLE; - break; - case DRM_MODE_DPMS_STANDBY: - temp |= ADPA_DAC_ENABLE | ADPA_HSYNC_CNTL_DISABLE; - break; - case DRM_MODE_DPMS_SUSPEND: - temp |= ADPA_DAC_ENABLE | ADPA_VSYNC_CNTL_DISABLE; - break; - case DRM_MODE_DPMS_OFF: - temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE; - break; - } - - REG_WRITE(reg, temp); -} - -static int cdv_intel_crt_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - int max_clock = 0; - if (mode->flags & DRM_MODE_FLAG_DBLSCAN) - return MODE_NO_DBLESCAN; - - /* The lowest clock for CDV is 20000KHz */ - if (mode->clock < 20000) - return MODE_CLOCK_LOW; - - /* The max clock for CDV is 355 instead of 400 */ - max_clock = 355000; - if (mode->clock > max_clock) - return MODE_CLOCK_HIGH; - - if (mode->hdisplay > 1680 || mode->vdisplay > 1050) - return MODE_PANEL; - - return MODE_OK; -} - -static bool cdv_intel_crt_mode_fixup(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - -static void cdv_intel_crt_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - - struct drm_device *dev = encoder->dev; - struct drm_crtc *crtc = encoder->crtc; - struct psb_intel_crtc *psb_intel_crtc = - to_psb_intel_crtc(crtc); - int dpll_md_reg; - u32 adpa, dpll_md; - u32 adpa_reg; - - if (psb_intel_crtc->pipe == 0) - dpll_md_reg = DPLL_A_MD; - else - dpll_md_reg = DPLL_B_MD; - - adpa_reg = ADPA; - - /* - * Disable separate mode multiplier used when cloning SDVO to CRT - * XXX this needs to be adjusted when we really are cloning - */ - { - dpll_md = REG_READ(dpll_md_reg); - REG_WRITE(dpll_md_reg, - dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK); - } - - adpa = 0; - if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) - adpa |= ADPA_HSYNC_ACTIVE_HIGH; - if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) - adpa |= ADPA_VSYNC_ACTIVE_HIGH; - - if (psb_intel_crtc->pipe == 0) - adpa |= ADPA_PIPE_A_SELECT; - else - adpa |= ADPA_PIPE_B_SELECT; - - REG_WRITE(adpa_reg, adpa); -} - - -/** - * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence. - * - * \return true if CRT is connected. - * \return false if CRT is disconnected. - */ -static bool cdv_intel_crt_detect_hotplug(struct drm_connector *connector, - bool force) -{ - struct drm_device *dev = connector->dev; - u32 hotplug_en; - int i, tries = 0, ret = false; - u32 adpa_orig; - - /* disable the DAC when doing the hotplug detection */ - - adpa_orig = REG_READ(ADPA); - - REG_WRITE(ADPA, adpa_orig & ~(ADPA_DAC_ENABLE)); - - /* - * On a CDV thep, CRT detect sequence need to be done twice - * to get a reliable result. - */ - tries = 2; - - hotplug_en = REG_READ(PORT_HOTPLUG_EN); - hotplug_en &= ~(CRT_HOTPLUG_DETECT_MASK); - hotplug_en |= CRT_HOTPLUG_FORCE_DETECT; - - hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64; - hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50; - - for (i = 0; i < tries ; i++) { - unsigned long timeout; - /* turn on the FORCE_DETECT */ - REG_WRITE(PORT_HOTPLUG_EN, hotplug_en); - timeout = jiffies + msecs_to_jiffies(1000); - /* wait for FORCE_DETECT to go off */ - do { - if (!(REG_READ(PORT_HOTPLUG_EN) & - CRT_HOTPLUG_FORCE_DETECT)) - break; - msleep(1); - } while (time_after(timeout, jiffies)); - } - - if ((REG_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) != - CRT_HOTPLUG_MONITOR_NONE) - ret = true; - - /* Restore the saved ADPA */ - REG_WRITE(ADPA, adpa_orig); - return ret; -} - -static enum drm_connector_status cdv_intel_crt_detect( - struct drm_connector *connector, bool force) -{ - if (cdv_intel_crt_detect_hotplug(connector, force)) - return connector_status_connected; - else - return connector_status_disconnected; -} - -static void cdv_intel_crt_destroy(struct drm_connector *connector) -{ - struct psb_intel_output *intel_output = to_psb_intel_output(connector); - - psb_intel_i2c_destroy(intel_output->ddc_bus); - drm_sysfs_connector_remove(connector); - drm_connector_cleanup(connector); - kfree(connector); -} - -static int cdv_intel_crt_get_modes(struct drm_connector *connector) -{ - struct psb_intel_output *intel_output = - to_psb_intel_output(connector); - return psb_intel_ddc_get_modes(intel_output); -} - -static int cdv_intel_crt_set_property(struct drm_connector *connector, - struct drm_property *property, - uint64_t value) -{ - return 0; -} - -/* - * Routines for controlling stuff on the analog port - */ - -static const struct drm_encoder_helper_funcs cdv_intel_crt_helper_funcs = { - .dpms = cdv_intel_crt_dpms, - .mode_fixup = cdv_intel_crt_mode_fixup, - .prepare = psb_intel_encoder_prepare, - .commit = psb_intel_encoder_commit, - .mode_set = cdv_intel_crt_mode_set, -}; - -static const struct drm_connector_funcs cdv_intel_crt_connector_funcs = { - .dpms = drm_helper_connector_dpms, - .detect = cdv_intel_crt_detect, - .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = cdv_intel_crt_destroy, - .set_property = cdv_intel_crt_set_property, -}; - -static const struct drm_connector_helper_funcs - cdv_intel_crt_connector_helper_funcs = { - .mode_valid = cdv_intel_crt_mode_valid, - .get_modes = cdv_intel_crt_get_modes, - .best_encoder = psb_intel_best_encoder, -}; - -static void cdv_intel_crt_enc_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs cdv_intel_crt_enc_funcs = { - .destroy = cdv_intel_crt_enc_destroy, -}; - -void cdv_intel_crt_init(struct drm_device *dev, - struct psb_intel_mode_device *mode_dev) -{ - - struct psb_intel_output *psb_intel_output; - struct drm_connector *connector; - struct drm_encoder *encoder; - - u32 i2c_reg; - - psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL); - if (!psb_intel_output) - return; - - psb_intel_output->mode_dev = mode_dev; - connector = &psb_intel_output->base; - drm_connector_init(dev, connector, - &cdv_intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA); - - encoder = &psb_intel_output->enc; - drm_encoder_init(dev, encoder, - &cdv_intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC); - - drm_mode_connector_attach_encoder(&psb_intel_output->base, - &psb_intel_output->enc); - - /* Set up the DDC bus. */ - i2c_reg = GPIOA; - /* Remove the following code for CDV */ - /* - if (dev_priv->crt_ddc_bus != 0) - i2c_reg = dev_priv->crt_ddc_bus; - }*/ - psb_intel_output->ddc_bus = psb_intel_i2c_create(dev, - i2c_reg, "CRTDDC_A"); - if (!psb_intel_output->ddc_bus) { - dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration " - "failed.\n"); - goto failed_ddc; - } - - psb_intel_output->type = INTEL_OUTPUT_ANALOG; - /* - psb_intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT); - psb_intel_output->crtc_mask = (1 << 0) | (1 << 1); - */ - connector->interlace_allowed = 0; - connector->doublescan_allowed = 0; - - drm_encoder_helper_add(encoder, &cdv_intel_crt_helper_funcs); - drm_connector_helper_add(connector, - &cdv_intel_crt_connector_helper_funcs); - - drm_sysfs_connector_add(connector); - - return; -failed_ddc: - drm_encoder_cleanup(&psb_intel_output->enc); - drm_connector_cleanup(&psb_intel_output->base); - kfree(psb_intel_output); - return; -} diff --git a/drivers/staging/gma500/cdv_intel_display.c b/drivers/staging/gma500/cdv_intel_display.c deleted file mode 100644 index c63a32776a9ec0..00000000000000 --- a/drivers/staging/gma500/cdv_intel_display.c +++ /dev/null @@ -1,1508 +0,0 @@ -/* - * Copyright © 2006-2011 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: - * Eric Anholt <eric@anholt.net> - */ - -#include <linux/i2c.h> -#include <linux/pm_runtime.h> - -#include <drm/drmP.h> -#include "framebuffer.h" -#include "psb_drv.h" -#include "psb_intel_drv.h" -#include "psb_intel_reg.h" -#include "psb_intel_display.h" -#include "power.h" -#include "cdv_device.h" - - -struct cdv_intel_range_t { - int min, max; -}; - -struct cdv_intel_p2_t { - int dot_limit; - int p2_slow, p2_fast; -}; - -struct cdv_intel_clock_t { - /* given values */ - int n; - int m1, m2; - int p1, p2; - /* derived values */ - int dot; - int vco; - int m; - int p; -}; - -#define INTEL_P2_NUM 2 - -struct cdv_intel_limit_t { - struct cdv_intel_range_t dot, vco, n, m, m1, m2, p, p1; - struct cdv_intel_p2_t p2; -}; - -#define CDV_LIMIT_SINGLE_LVDS_96 0 -#define CDV_LIMIT_SINGLE_LVDS_100 1 -#define CDV_LIMIT_DAC_HDMI_27 2 -#define CDV_LIMIT_DAC_HDMI_96 3 - -static const struct cdv_intel_limit_t cdv_intel_limits[] = { - { /* CDV_SIGNLE_LVDS_96MHz */ - .dot = {.min = 20000, .max = 115500}, - .vco = {.min = 1800000, .max = 3600000}, - .n = {.min = 2, .max = 6}, - .m = {.min = 60, .max = 160}, - .m1 = {.min = 0, .max = 0}, - .m2 = {.min = 58, .max = 158}, - .p = {.min = 28, .max = 140}, - .p1 = {.min = 2, .max = 10}, - .p2 = {.dot_limit = 200000, - .p2_slow = 14, .p2_fast = 14}, - }, - { /* CDV_SINGLE_LVDS_100MHz */ - .dot = {.min = 20000, .max = 115500}, - .vco = {.min = 1800000, .max = 3600000}, - .n = {.min = 2, .max = 6}, - .m = {.min = 60, .max = 160}, - .m1 = {.min = 0, .max = 0}, - .m2 = {.min = 58, .max = 158}, - .p = {.min = 28, .max = 140}, - .p1 = {.min = 2, .max = 10}, - /* The single-channel range is 25-112Mhz, and dual-channel - * is 80-224Mhz. Prefer single channel as much as possible. - */ - .p2 = {.dot_limit = 200000, .p2_slow = 14, .p2_fast = 14}, - }, - { /* CDV_DAC_HDMI_27MHz */ - .dot = {.min = 20000, .max = 400000}, - .vco = {.min = 1809000, .max = 3564000}, - .n = {.min = 1, .max = 1}, - .m = {.min = 67, .max = 132}, - .m1 = {.min = 0, .max = 0}, - .m2 = {.min = 65, .max = 130}, - .p = {.min = 5, .max = 90}, - .p1 = {.min = 1, .max = 9}, - .p2 = {.dot_limit = 225000, .p2_slow = 10, .p2_fast = 5}, - }, - { /* CDV_DAC_HDMI_96MHz */ - .dot = {.min = 20000, .max = 400000}, - .vco = {.min = 1800000, .max = 3600000}, - .n = {.min = 2, .max = 6}, - .m = {.min = 60, .max = 160}, - .m1 = {.min = 0, .max = 0}, - .m2 = {.min = 58, .max = 158}, - .p = {.min = 5, .max = 100}, - .p1 = {.min = 1, .max = 10}, - .p2 = {.dot_limit = 225000, .p2_slow = 10, .p2_fast = 5}, - }, -}; - -#define _wait_for(COND, MS, W) ({ \ - unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \ - int ret__ = 0; \ - while (!(COND)) { \ - if (time_after(jiffies, timeout__)) { \ - ret__ = -ETIMEDOUT; \ - break; \ - } \ - if (W && !in_dbg_master()) \ - msleep(W); \ - } \ - ret__; \ -}) - -#define wait_for(COND, MS) _wait_for(COND, MS, 1) - - -static int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val) -{ - int ret; - - ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000); - if (ret) { - DRM_ERROR("timeout waiting for SB to idle before read\n"); - return ret; - } - - REG_WRITE(SB_ADDR, reg); - REG_WRITE(SB_PCKT, - SET_FIELD(SB_OPCODE_READ, SB_OPCODE) | - SET_FIELD(SB_DEST_DPLL, SB_DEST) | - SET_FIELD(0xf, SB_BYTE_ENABLE)); - - ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000); - if (ret) { - DRM_ERROR("timeout waiting for SB to idle after read\n"); - return ret; - } - - *val = REG_READ(SB_DATA); - - return 0; -} - -static int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val) -{ - int ret; - static bool dpio_debug = true; - u32 temp; - - if (dpio_debug) { - if (cdv_sb_read(dev, reg, &temp) == 0) - DRM_DEBUG_KMS("0x%08x: 0x%08x (before)\n", reg, temp); - DRM_DEBUG_KMS("0x%08x: 0x%08x\n", reg, val); - } - - ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000); - if (ret) { - DRM_ERROR("timeout waiting for SB to idle before write\n"); - return ret; - } - - REG_WRITE(SB_ADDR, reg); - REG_WRITE(SB_DATA, val); - REG_WRITE(SB_PCKT, - SET_FIELD(SB_OPCODE_WRITE, SB_OPCODE) | - SET_FIELD(SB_DEST_DPLL, SB_DEST) | - SET_FIELD(0xf, SB_BYTE_ENABLE)); - - ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000); - if (ret) { - DRM_ERROR("timeout waiting for SB to idle after write\n"); - return ret; - } - - if (dpio_debug) { - if (cdv_sb_read(dev, reg, &temp) == 0) - DRM_DEBUG_KMS("0x%08x: 0x%08x (after)\n", reg, temp); - } - - return 0; -} - -/* Reset the DPIO configuration register. The BIOS does this at every - * mode set. - */ -static void cdv_sb_reset(struct drm_device *dev) -{ - - REG_WRITE(DPIO_CFG, 0); - REG_READ(DPIO_CFG); - REG_WRITE(DPIO_CFG, DPIO_MODE_SELECT_0 | DPIO_CMN_RESET_N); -} - -/* Unlike most Intel display engines, on Cedarview the DPLL registers - * are behind this sideband bus. They must be programmed while the - * DPLL reference clock is on in the DPLL control register, but before - * the DPLL is enabled in the DPLL control register. - */ -static int -cdv_dpll_set_clock_cdv(struct drm_device *dev, struct drm_crtc *crtc, - struct cdv_intel_clock_t *clock) -{ - struct psb_intel_crtc *psb_crtc = - to_psb_intel_crtc(crtc); - int pipe = psb_crtc->pipe; - u32 m, n_vco, p; - int ret = 0; - int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B; - u32 ref_value; - - cdv_sb_reset(dev); - - if ((REG_READ(dpll_reg) & DPLL_SYNCLOCK_ENABLE) == 0) { - DRM_ERROR("Attempting to set DPLL with refclk disabled\n"); - return -EBUSY; - } - - /* Follow the BIOS and write the REF/SFR Register. Hardcoded value */ - ref_value = 0x68A701; - - cdv_sb_write(dev, SB_REF_SFR(pipe), ref_value); - - /* We don't know what the other fields of these regs are, so - * leave them in place. - */ - ret = cdv_sb_read(dev, SB_M(pipe), &m); - if (ret) - return ret; - m &= ~SB_M_DIVIDER_MASK; - m |= ((clock->m2) << SB_M_DIVIDER_SHIFT); - ret = cdv_sb_write(dev, SB_M(pipe), m); - if (ret) - return ret; - - ret = cdv_sb_read(dev, SB_N_VCO(pipe), &n_vco); - if (ret) - return ret; - - /* Follow the BIOS to program the N_DIVIDER REG */ - n_vco &= 0xFFFF; - n_vco |= 0x107; - n_vco &= ~(SB_N_VCO_SEL_MASK | - SB_N_DIVIDER_MASK | - SB_N_CB_TUNE_MASK); - - n_vco |= ((clock->n) << SB_N_DIVIDER_SHIFT); - - if (clock->vco < 2250000) { - n_vco |= (2 << SB_N_CB_TUNE_SHIFT); - n_vco |= (0 << SB_N_VCO_SEL_SHIFT); - } else if (clock->vco < 2750000) { - n_vco |= (1 << SB_N_CB_TUNE_SHIFT); - n_vco |= (1 << SB_N_VCO_SEL_SHIFT); - } else if (clock->vco < 3300000) { - n_vco |= (0 << SB_N_CB_TUNE_SHIFT); - n_vco |= (2 << SB_N_VCO_SEL_SHIFT); - } else { - n_vco |= (0 << SB_N_CB_TUNE_SHIFT); - n_vco |= (3 << SB_N_VCO_SEL_SHIFT); - } - - ret = cdv_sb_write(dev, SB_N_VCO(pipe), n_vco); - if (ret) - return ret; - - ret = cdv_sb_read(dev, SB_P(pipe), &p); - if (ret) - return ret; - p &= ~(SB_P2_DIVIDER_MASK | SB_P1_DIVIDER_MASK); - p |= SET_FIELD(clock->p1, SB_P1_DIVIDER); - switch (clock->p2) { - case 5: - p |= SET_FIELD(SB_P2_5, SB_P2_DIVIDER); - break; - case 10: - p |= SET_FIELD(SB_P2_10, SB_P2_DIVIDER); - break; - case 14: - p |= SET_FIELD(SB_P2_14, SB_P2_DIVIDER); - break; - case 7: - p |= SET_FIELD(SB_P2_7, SB_P2_DIVIDER); - break; - default: - DRM_ERROR("Bad P2 clock: %d\n", clock->p2); - return -EINVAL; - } - ret = cdv_sb_write(dev, SB_P(pipe), p); - if (ret) - return ret; - - /* always Program the Lane Register for the Pipe A*/ - if (pipe == 0) { - /* Program the Lane0/1 for HDMI B */ - u32 lane_reg, lane_value; - - lane_reg = PSB_LANE0; - cdv_sb_read(dev, lane_reg, &lane_value); - lane_value &= ~(LANE_PLL_MASK); - lane_value |= LANE_PLL_ENABLE; - cdv_sb_write(dev, lane_reg, lane_value); - - lane_reg = PSB_LANE1; - cdv_sb_read(dev, lane_reg, &lane_value); - lane_value &= ~(LANE_PLL_MASK); - lane_value |= LANE_PLL_ENABLE; - cdv_sb_write(dev, lane_reg, lane_value); - - /* Program the Lane2/3 for HDMI C */ - lane_reg = PSB_LANE2; - cdv_sb_read(dev, lane_reg, &lane_value); - lane_value &= ~(LANE_PLL_MASK); - lane_value |= LANE_PLL_ENABLE; - cdv_sb_write(dev, lane_reg, lane_value); - - lane_reg = PSB_LANE3; - cdv_sb_read(dev, lane_reg, &lane_value); - lane_value &= ~(LANE_PLL_MASK); - lane_value |= LANE_PLL_ENABLE; - cdv_sb_write(dev, lane_reg, lane_value); - } - - return 0; -} - -/* - * Returns whether any output on the specified pipe is of the specified type - */ -bool cdv_intel_pipe_has_type(struct drm_crtc *crtc, int type) -{ - struct drm_device *dev = crtc->dev; - struct drm_mode_config *mode_config = &dev->mode_config; - struct drm_connector *l_entry; - - list_for_each_entry(l_entry, &mode_config->connector_list, head) { - if (l_entry->encoder && l_entry->encoder->crtc == crtc) { - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(l_entry); - if (psb_intel_output->type == type) - return true; - } - } - return false; -} - -static const struct cdv_intel_limit_t *cdv_intel_limit(struct drm_crtc *crtc, - int refclk) -{ - const struct cdv_intel_limit_t *limit; - if (cdv_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { - /* - * Now only single-channel LVDS is supported on CDV. If it is - * incorrect, please add the dual-channel LVDS. - */ - if (refclk == 96000) - limit = &cdv_intel_limits[CDV_LIMIT_SINGLE_LVDS_96]; - else - limit = &cdv_intel_limits[CDV_LIMIT_SINGLE_LVDS_100]; - } else { - if (refclk == 27000) - limit = &cdv_intel_limits[CDV_LIMIT_DAC_HDMI_27]; - else - limit = &cdv_intel_limits[CDV_LIMIT_DAC_HDMI_96]; - } - return limit; -} - -/* m1 is reserved as 0 in CDV, n is a ring counter */ -static void cdv_intel_clock(struct drm_device *dev, - int refclk, struct cdv_intel_clock_t *clock) -{ - clock->m = clock->m2 + 2; - clock->p = clock->p1 * clock->p2; - clock->vco = (refclk * clock->m) / clock->n; - clock->dot = clock->vco / clock->p; -} - - -#define INTELPllInvalid(s) { /* ErrorF (s) */; return false; } -static bool cdv_intel_PLL_is_valid(struct drm_crtc *crtc, - const struct cdv_intel_limit_t *limit, - struct cdv_intel_clock_t *clock) -{ - if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) - INTELPllInvalid("p1 out of range\n"); - if (clock->p < limit->p.min || limit->p.max < clock->p) - INTELPllInvalid("p out of range\n"); - /* unnecessary to check the range of m(m1/M2)/n again */ - if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) - INTELPllInvalid("vco out of range\n"); - /* XXX: We may need to be checking "Dot clock" - * depending on the multiplier, connector, etc., - * rather than just a single range. - */ - if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) - INTELPllInvalid("dot out of range\n"); - - return true; -} - -static bool cdv_intel_find_best_PLL(struct drm_crtc *crtc, int target, - int refclk, - struct cdv_intel_clock_t *best_clock) -{ - struct drm_device *dev = crtc->dev; - struct cdv_intel_clock_t clock; - const struct cdv_intel_limit_t *limit = cdv_intel_limit(crtc, refclk); - int err = target; - - - if (cdv_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && - (REG_READ(LVDS) & LVDS_PORT_EN) != 0) { - /* - * For LVDS, if the panel is on, just rely on its current - * settings for dual-channel. We haven't figured out how to - * reliably set up different single/dual channel state, if we - * even can. - */ - if ((REG_READ(LVDS) & LVDS_CLKB_POWER_MASK) == - LVDS_CLKB_POWER_UP) - clock.p2 = limit->p2.p2_fast; - else - clock.p2 = limit->p2.p2_slow; - } else { - if (target < limit->p2.dot_limit) - clock.p2 = limit->p2.p2_slow; - else - clock.p2 = limit->p2.p2_fast; - } - - memset(best_clock, 0, sizeof(*best_clock)); - clock.m1 = 0; - /* m1 is reserved as 0 in CDV, n is a ring counter. - So skip the m1 loop */ - for (clock.n = limit->n.min; clock.n <= limit->n.max; clock.n++) { - for (clock.m2 = limit->m2.min; clock.m2 <= limit->m2.max; - clock.m2++) { - for (clock.p1 = limit->p1.min; - clock.p1 <= limit->p1.max; - clock.p1++) { - int this_err; - - cdv_intel_clock(dev, refclk, &clock); - - if (!cdv_intel_PLL_is_valid(crtc, - limit, &clock)) - continue; - - this_err = abs(clock.dot - target); - if (this_err < err) { - *best_clock = clock; - err = this_err; - } - } - } - } - - return err != target; -} - -int cdv_intel_pipe_set_base(struct drm_crtc *crtc, - int x, int y, struct drm_framebuffer *old_fb) -{ - struct drm_device *dev = crtc->dev; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb); - int pipe = psb_intel_crtc->pipe; - unsigned long start, offset; - int dspbase = (pipe == 0 ? DSPABASE : DSPBBASE); - int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF); - int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE; - int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; - u32 dspcntr; - int ret = 0; - - if (!gma_power_begin(dev, true)) - return 0; - - /* no fb bound */ - if (!crtc->fb) { - dev_err(dev->dev, "No FB bound\n"); - goto psb_intel_pipe_cleaner; - } - - - /* We are displaying this buffer, make sure it is actually loaded - into the GTT */ - ret = psb_gtt_pin(psbfb->gtt); - if (ret < 0) - goto psb_intel_pipe_set_base_exit; - start = psbfb->gtt->offset; - offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8); - - REG_WRITE(dspstride, crtc->fb->pitches[0]); - - dspcntr = REG_READ(dspcntr_reg); - dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; - - switch (crtc->fb->bits_per_pixel) { - case 8: - dspcntr |= DISPPLANE_8BPP; - break; - case 16: - if (crtc->fb->depth == 15) - dspcntr |= DISPPLANE_15_16BPP; - else - dspcntr |= DISPPLANE_16BPP; - break; - case 24: - case 32: - dspcntr |= DISPPLANE_32BPP_NO_ALPHA; - break; - default: - dev_err(dev->dev, "Unknown color depth\n"); - ret = -EINVAL; - goto psb_intel_pipe_set_base_exit; - } - REG_WRITE(dspcntr_reg, dspcntr); - - dev_dbg(dev->dev, - "Writing base %08lX %08lX %d %d\n", start, offset, x, y); - - REG_WRITE(dspbase, offset); - REG_READ(dspbase); - REG_WRITE(dspsurf, start); - REG_READ(dspsurf); - -psb_intel_pipe_cleaner: - /* If there was a previous display we can now unpin it */ - if (old_fb) - psb_gtt_unpin(to_psb_fb(old_fb)->gtt); - -psb_intel_pipe_set_base_exit: - gma_power_end(dev); - return ret; -} - -/** - * Sets the power management mode of the pipe and plane. - * - * This code should probably grow support for turning the cursor off and back - * on appropriately at the same time as we're turning the pipe off/on. - */ -static void cdv_intel_crtc_dpms(struct drm_crtc *crtc, int mode) -{ - struct drm_device *dev = crtc->dev; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B; - int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; - int dspbase_reg = (pipe == 0) ? DSPABASE : DSPBBASE; - int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF; - u32 temp; - bool enabled; - - /* XXX: When our outputs are all unaware of DPMS modes other than off - * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC. - */ - switch (mode) { - case DRM_MODE_DPMS_ON: - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - /* Enable the DPLL */ - temp = REG_READ(dpll_reg); - if ((temp & DPLL_VCO_ENABLE) == 0) { - REG_WRITE(dpll_reg, temp); - REG_READ(dpll_reg); - /* Wait for the clocks to stabilize. */ - udelay(150); - REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE); - REG_READ(dpll_reg); - /* Wait for the clocks to stabilize. */ - udelay(150); - REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE); - REG_READ(dpll_reg); - /* Wait for the clocks to stabilize. */ - udelay(150); - } - - /* Jim Bish - switch plan and pipe per scott */ - /* Enable the plane */ - temp = REG_READ(dspcntr_reg); - if ((temp & DISPLAY_PLANE_ENABLE) == 0) { - REG_WRITE(dspcntr_reg, - temp | DISPLAY_PLANE_ENABLE); - /* Flush the plane changes */ - REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); - } - - udelay(150); - - /* Enable the pipe */ - temp = REG_READ(pipeconf_reg); - if ((temp & PIPEACONF_ENABLE) == 0) - REG_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE); - - psb_intel_crtc_load_lut(crtc); - - /* Give the overlay scaler a chance to enable - * if it's on this pipe */ - /* psb_intel_crtc_dpms_video(crtc, true); TODO */ - break; - case DRM_MODE_DPMS_OFF: - /* Give the overlay scaler a chance to disable - * if it's on this pipe */ - /* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */ - - /* Disable the VGA plane that we never use */ - REG_WRITE(VGACNTRL, VGA_DISP_DISABLE); - - /* Jim Bish - changed pipe/plane here as well. */ - - /* Wait for vblank for the disable to take effect */ - cdv_intel_wait_for_vblank(dev); - - /* Next, disable display pipes */ - temp = REG_READ(pipeconf_reg); - if ((temp & PIPEACONF_ENABLE) != 0) { - REG_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE); - REG_READ(pipeconf_reg); - } - - /* Wait for vblank for the disable to take effect. */ - cdv_intel_wait_for_vblank(dev); - - udelay(150); - - /* Disable display plane */ - temp = REG_READ(dspcntr_reg); - if ((temp & DISPLAY_PLANE_ENABLE) != 0) { - REG_WRITE(dspcntr_reg, - temp & ~DISPLAY_PLANE_ENABLE); - /* Flush the plane changes */ - REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); - REG_READ(dspbase_reg); - } - - temp = REG_READ(dpll_reg); - if ((temp & DPLL_VCO_ENABLE) != 0) { - REG_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE); - REG_READ(dpll_reg); - } - - /* Wait for the clocks to turn off. */ - udelay(150); - break; - } - enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF; - /*Set FIFO Watermarks*/ - REG_WRITE(DSPARB, 0x3F3E); -} - -static void cdv_intel_crtc_prepare(struct drm_crtc *crtc) -{ - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF); -} - -static void cdv_intel_crtc_commit(struct drm_crtc *crtc) -{ - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON); -} - -void cdv_intel_encoder_prepare(struct drm_encoder *encoder) -{ - struct drm_encoder_helper_funcs *encoder_funcs = - encoder->helper_private; - /* lvds has its own version of prepare see cdv_intel_lvds_prepare */ - encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF); -} - -void cdv_intel_encoder_commit(struct drm_encoder *encoder) -{ - struct drm_encoder_helper_funcs *encoder_funcs = - encoder->helper_private; - /* lvds has its own version of commit see cdv_intel_lvds_commit */ - encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON); -} - -static bool cdv_intel_crtc_mode_fixup(struct drm_crtc *crtc, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - - -/** - * Return the pipe currently connected to the panel fitter, - * or -1 if the panel fitter is not present or not in use - */ -static int cdv_intel_panel_fitter_pipe(struct drm_device *dev) -{ - u32 pfit_control; - - pfit_control = REG_READ(PFIT_CONTROL); - - /* See if the panel fitter is in use */ - if ((pfit_control & PFIT_ENABLE) == 0) - return -1; - return (pfit_control >> 29) & 0x3; -} - -static int cdv_intel_crtc_mode_set(struct drm_crtc *crtc, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode, - int x, int y, - struct drm_framebuffer *old_fb) -{ - struct drm_device *dev = crtc->dev; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B; - int dpll_md_reg = (psb_intel_crtc->pipe == 0) ? DPLL_A_MD : DPLL_B_MD; - int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; - int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF; - int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B; - int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B; - int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B; - int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B; - int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B; - int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B; - int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE; - int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS; - int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC; - int refclk; - struct cdv_intel_clock_t clock; - u32 dpll = 0, dspcntr, pipeconf; - bool ok, is_sdvo = false, is_dvo = false; - bool is_crt = false, is_lvds = false, is_tv = false; - bool is_hdmi = false; - struct drm_mode_config *mode_config = &dev->mode_config; - struct drm_connector *connector; - - list_for_each_entry(connector, &mode_config->connector_list, head) { - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - - if (!connector->encoder - || connector->encoder->crtc != crtc) - continue; - - switch (psb_intel_output->type) { - case INTEL_OUTPUT_LVDS: - is_lvds = true; - break; - case INTEL_OUTPUT_SDVO: - is_sdvo = true; - break; - case INTEL_OUTPUT_DVO: - is_dvo = true; - break; - case INTEL_OUTPUT_TVOUT: - is_tv = true; - break; - case INTEL_OUTPUT_ANALOG: - is_crt = true; - break; - case INTEL_OUTPUT_HDMI: - is_hdmi = true; - break; - } - } - - refclk = 96000; - - /* Hack selection about ref clk for CRT */ - /* Select 27MHz as the reference clk for HDMI */ - if (is_crt || is_hdmi) - refclk = 27000; - - drm_mode_debug_printmodeline(adjusted_mode); - - ok = cdv_intel_find_best_PLL(crtc, adjusted_mode->clock, refclk, - &clock); - if (!ok) { - dev_err(dev->dev, "Couldn't find PLL settings for mode!\n"); - return 0; - } - - dpll = DPLL_VGA_MODE_DIS; - if (is_tv) { - /* XXX: just matching BIOS for now */ -/* dpll |= PLL_REF_INPUT_TVCLKINBC; */ - dpll |= 3; - } - dpll |= PLL_REF_INPUT_DREFCLK; - - dpll |= DPLL_SYNCLOCK_ENABLE; - dpll |= DPLL_VGA_MODE_DIS; - if (is_lvds) - dpll |= DPLLB_MODE_LVDS; - else - dpll |= DPLLB_MODE_DAC_SERIAL; - /* dpll |= (2 << 11); */ - - /* setup pipeconf */ - pipeconf = REG_READ(pipeconf_reg); - - /* Set up the display plane register */ - dspcntr = DISPPLANE_GAMMA_ENABLE; - - if (pipe == 0) - dspcntr |= DISPPLANE_SEL_PIPE_A; - else - dspcntr |= DISPPLANE_SEL_PIPE_B; - - dspcntr |= DISPLAY_PLANE_ENABLE; - pipeconf |= PIPEACONF_ENABLE; - - REG_WRITE(dpll_reg, dpll | DPLL_VGA_MODE_DIS | DPLL_SYNCLOCK_ENABLE); - REG_READ(dpll_reg); - - cdv_dpll_set_clock_cdv(dev, crtc, &clock); - - udelay(150); - - - /* The LVDS pin pair needs to be on before the DPLLs are enabled. - * This is an exception to the general rule that mode_set doesn't turn - * things on. - */ - if (is_lvds) { - u32 lvds = REG_READ(LVDS); - - lvds |= - LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP | - LVDS_PIPEB_SELECT; - /* Set the B0-B3 data pairs corresponding to - * whether we're going to - * set the DPLLs for dual-channel mode or not. - */ - if (clock.p2 == 7) - lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP; - else - lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP); - - /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP) - * appropriately here, but we need to look more - * thoroughly into how panels behave in the two modes. - */ - - REG_WRITE(LVDS, lvds); - REG_READ(LVDS); - } - - dpll |= DPLL_VCO_ENABLE; - - /* Disable the panel fitter if it was on our pipe */ - if (cdv_intel_panel_fitter_pipe(dev) == pipe) - REG_WRITE(PFIT_CONTROL, 0); - - DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B'); - drm_mode_debug_printmodeline(mode); - - REG_WRITE(dpll_reg, - (REG_READ(dpll_reg) & ~DPLL_LOCK) | DPLL_VCO_ENABLE); - REG_READ(dpll_reg); - /* Wait for the clocks to stabilize. */ - udelay(150); /* 42 usec w/o calibration, 110 with. rounded up. */ - - if (!(REG_READ(dpll_reg) & DPLL_LOCK)) { - dev_err(dev->dev, "Failed to get DPLL lock\n"); - return -EBUSY; - } - - { - int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock; - REG_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) | ((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT)); - } - - REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) | - ((adjusted_mode->crtc_htotal - 1) << 16)); - REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) | - ((adjusted_mode->crtc_hblank_end - 1) << 16)); - REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) | - ((adjusted_mode->crtc_hsync_end - 1) << 16)); - REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) | - ((adjusted_mode->crtc_vtotal - 1) << 16)); - REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) | - ((adjusted_mode->crtc_vblank_end - 1) << 16)); - REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) | - ((adjusted_mode->crtc_vsync_end - 1) << 16)); - /* pipesrc and dspsize control the size that is scaled from, - * which should always be the user's requested size. - */ - REG_WRITE(dspsize_reg, - ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1)); - REG_WRITE(dsppos_reg, 0); - REG_WRITE(pipesrc_reg, - ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1)); - REG_WRITE(pipeconf_reg, pipeconf); - REG_READ(pipeconf_reg); - - cdv_intel_wait_for_vblank(dev); - - REG_WRITE(dspcntr_reg, dspcntr); - - /* Flush the plane changes */ - { - struct drm_crtc_helper_funcs *crtc_funcs = - crtc->helper_private; - crtc_funcs->mode_set_base(crtc, x, y, old_fb); - } - - cdv_intel_wait_for_vblank(dev); - - return 0; -} - -/** Loads the palette/gamma unit for the CRTC with the prepared values */ -void cdv_intel_crtc_load_lut(struct drm_crtc *crtc) -{ - struct drm_device *dev = crtc->dev; - struct drm_psb_private *dev_priv = - (struct drm_psb_private *)dev->dev_private; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int palreg = PALETTE_A; - int i; - - /* The clocks have to be on to load the palette. */ - if (!crtc->enabled) - return; - - switch (psb_intel_crtc->pipe) { - case 0: - break; - case 1: - palreg = PALETTE_B; - break; - case 2: - palreg = PALETTE_C; - break; - default: - dev_err(dev->dev, "Illegal Pipe Number.\n"); - return; - } - - if (gma_power_begin(dev, false)) { - for (i = 0; i < 256; i++) { - REG_WRITE(palreg + 4 * i, - ((psb_intel_crtc->lut_r[i] + - psb_intel_crtc->lut_adj[i]) << 16) | - ((psb_intel_crtc->lut_g[i] + - psb_intel_crtc->lut_adj[i]) << 8) | - (psb_intel_crtc->lut_b[i] + - psb_intel_crtc->lut_adj[i])); - } - gma_power_end(dev); - } else { - for (i = 0; i < 256; i++) { - dev_priv->save_palette_a[i] = - ((psb_intel_crtc->lut_r[i] + - psb_intel_crtc->lut_adj[i]) << 16) | - ((psb_intel_crtc->lut_g[i] + - psb_intel_crtc->lut_adj[i]) << 8) | - (psb_intel_crtc->lut_b[i] + - psb_intel_crtc->lut_adj[i]); - } - - } -} - -/** - * Save HW states of giving crtc - */ -static void cdv_intel_crtc_save(struct drm_crtc *crtc) -{ - struct drm_device *dev = crtc->dev; - /* struct drm_psb_private *dev_priv = - (struct drm_psb_private *)dev->dev_private; */ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state; - int pipeA = (psb_intel_crtc->pipe == 0); - uint32_t paletteReg; - int i; - - if (!crtc_state) { - dev_dbg(dev->dev, "No CRTC state found\n"); - return; - } - - crtc_state->saveDSPCNTR = REG_READ(pipeA ? DSPACNTR : DSPBCNTR); - crtc_state->savePIPECONF = REG_READ(pipeA ? PIPEACONF : PIPEBCONF); - crtc_state->savePIPESRC = REG_READ(pipeA ? PIPEASRC : PIPEBSRC); - crtc_state->saveFP0 = REG_READ(pipeA ? FPA0 : FPB0); - crtc_state->saveFP1 = REG_READ(pipeA ? FPA1 : FPB1); - crtc_state->saveDPLL = REG_READ(pipeA ? DPLL_A : DPLL_B); - crtc_state->saveHTOTAL = REG_READ(pipeA ? HTOTAL_A : HTOTAL_B); - crtc_state->saveHBLANK = REG_READ(pipeA ? HBLANK_A : HBLANK_B); - crtc_state->saveHSYNC = REG_READ(pipeA ? HSYNC_A : HSYNC_B); - crtc_state->saveVTOTAL = REG_READ(pipeA ? VTOTAL_A : VTOTAL_B); - crtc_state->saveVBLANK = REG_READ(pipeA ? VBLANK_A : VBLANK_B); - crtc_state->saveVSYNC = REG_READ(pipeA ? VSYNC_A : VSYNC_B); - crtc_state->saveDSPSTRIDE = REG_READ(pipeA ? DSPASTRIDE : DSPBSTRIDE); - - /*NOTE: DSPSIZE DSPPOS only for psb*/ - crtc_state->saveDSPSIZE = REG_READ(pipeA ? DSPASIZE : DSPBSIZE); - crtc_state->saveDSPPOS = REG_READ(pipeA ? DSPAPOS : DSPBPOS); - - crtc_state->saveDSPBASE = REG_READ(pipeA ? DSPABASE : DSPBBASE); - - DRM_DEBUG("(%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x)\n", - crtc_state->saveDSPCNTR, - crtc_state->savePIPECONF, - crtc_state->savePIPESRC, - crtc_state->saveFP0, - crtc_state->saveFP1, - crtc_state->saveDPLL, - crtc_state->saveHTOTAL, - crtc_state->saveHBLANK, - crtc_state->saveHSYNC, - crtc_state->saveVTOTAL, - crtc_state->saveVBLANK, - crtc_state->saveVSYNC, - crtc_state->saveDSPSTRIDE, - crtc_state->saveDSPSIZE, - crtc_state->saveDSPPOS, - crtc_state->saveDSPBASE - ); - - paletteReg = pipeA ? PALETTE_A : PALETTE_B; - for (i = 0; i < 256; ++i) - crtc_state->savePalette[i] = REG_READ(paletteReg + (i << 2)); -} - -/** - * Restore HW states of giving crtc - */ -static void cdv_intel_crtc_restore(struct drm_crtc *crtc) -{ - struct drm_device *dev = crtc->dev; - /* struct drm_psb_private * dev_priv = - (struct drm_psb_private *)dev->dev_private; */ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state; - /* struct drm_crtc_helper_funcs * crtc_funcs = crtc->helper_private; */ - int pipeA = (psb_intel_crtc->pipe == 0); - uint32_t paletteReg; - int i; - - if (!crtc_state) { - dev_dbg(dev->dev, "No crtc state\n"); - return; - } - - DRM_DEBUG( - "current:(%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x)\n", - REG_READ(pipeA ? DSPACNTR : DSPBCNTR), - REG_READ(pipeA ? PIPEACONF : PIPEBCONF), - REG_READ(pipeA ? PIPEASRC : PIPEBSRC), - REG_READ(pipeA ? FPA0 : FPB0), - REG_READ(pipeA ? FPA1 : FPB1), - REG_READ(pipeA ? DPLL_A : DPLL_B), - REG_READ(pipeA ? HTOTAL_A : HTOTAL_B), - REG_READ(pipeA ? HBLANK_A : HBLANK_B), - REG_READ(pipeA ? HSYNC_A : HSYNC_B), - REG_READ(pipeA ? VTOTAL_A : VTOTAL_B), - REG_READ(pipeA ? VBLANK_A : VBLANK_B), - REG_READ(pipeA ? VSYNC_A : VSYNC_B), - REG_READ(pipeA ? DSPASTRIDE : DSPBSTRIDE), - REG_READ(pipeA ? DSPASIZE : DSPBSIZE), - REG_READ(pipeA ? DSPAPOS : DSPBPOS), - REG_READ(pipeA ? DSPABASE : DSPBBASE) - ); - - DRM_DEBUG( - "saved: (%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x)\n", - crtc_state->saveDSPCNTR, - crtc_state->savePIPECONF, - crtc_state->savePIPESRC, - crtc_state->saveFP0, - crtc_state->saveFP1, - crtc_state->saveDPLL, - crtc_state->saveHTOTAL, - crtc_state->saveHBLANK, - crtc_state->saveHSYNC, - crtc_state->saveVTOTAL, - crtc_state->saveVBLANK, - crtc_state->saveVSYNC, - crtc_state->saveDSPSTRIDE, - crtc_state->saveDSPSIZE, - crtc_state->saveDSPPOS, - crtc_state->saveDSPBASE - ); - - - if (crtc_state->saveDPLL & DPLL_VCO_ENABLE) { - REG_WRITE(pipeA ? DPLL_A : DPLL_B, - crtc_state->saveDPLL & ~DPLL_VCO_ENABLE); - REG_READ(pipeA ? DPLL_A : DPLL_B); - DRM_DEBUG("write dpll: %x\n", - REG_READ(pipeA ? DPLL_A : DPLL_B)); - udelay(150); - } - - REG_WRITE(pipeA ? FPA0 : FPB0, crtc_state->saveFP0); - REG_READ(pipeA ? FPA0 : FPB0); - - REG_WRITE(pipeA ? FPA1 : FPB1, crtc_state->saveFP1); - REG_READ(pipeA ? FPA1 : FPB1); - - REG_WRITE(pipeA ? DPLL_A : DPLL_B, crtc_state->saveDPLL); - REG_READ(pipeA ? DPLL_A : DPLL_B); - udelay(150); - - REG_WRITE(pipeA ? HTOTAL_A : HTOTAL_B, crtc_state->saveHTOTAL); - REG_WRITE(pipeA ? HBLANK_A : HBLANK_B, crtc_state->saveHBLANK); - REG_WRITE(pipeA ? HSYNC_A : HSYNC_B, crtc_state->saveHSYNC); - REG_WRITE(pipeA ? VTOTAL_A : VTOTAL_B, crtc_state->saveVTOTAL); - REG_WRITE(pipeA ? VBLANK_A : VBLANK_B, crtc_state->saveVBLANK); - REG_WRITE(pipeA ? VSYNC_A : VSYNC_B, crtc_state->saveVSYNC); - REG_WRITE(pipeA ? DSPASTRIDE : DSPBSTRIDE, crtc_state->saveDSPSTRIDE); - - REG_WRITE(pipeA ? DSPASIZE : DSPBSIZE, crtc_state->saveDSPSIZE); - REG_WRITE(pipeA ? DSPAPOS : DSPBPOS, crtc_state->saveDSPPOS); - - REG_WRITE(pipeA ? PIPEASRC : PIPEBSRC, crtc_state->savePIPESRC); - REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE); - REG_WRITE(pipeA ? PIPEACONF : PIPEBCONF, crtc_state->savePIPECONF); - - cdv_intel_wait_for_vblank(dev); - - REG_WRITE(pipeA ? DSPACNTR : DSPBCNTR, crtc_state->saveDSPCNTR); - REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE); - - cdv_intel_wait_for_vblank(dev); - - paletteReg = pipeA ? PALETTE_A : PALETTE_B; - for (i = 0; i < 256; ++i) - REG_WRITE(paletteReg + (i << 2), crtc_state->savePalette[i]); -} - -static int cdv_intel_crtc_cursor_set(struct drm_crtc *crtc, - struct drm_file *file_priv, - uint32_t handle, - uint32_t width, uint32_t height) -{ - struct drm_device *dev = crtc->dev; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR; - uint32_t base = (pipe == 0) ? CURABASE : CURBBASE; - uint32_t temp; - size_t addr = 0; - struct gtt_range *gt; - struct drm_gem_object *obj; - int ret; - - /* if we want to turn of the cursor ignore width and height */ - if (!handle) { - /* turn off the cursor */ - temp = CURSOR_MODE_DISABLE; - - if (gma_power_begin(dev, false)) { - REG_WRITE(control, temp); - REG_WRITE(base, 0); - gma_power_end(dev); - } - - /* unpin the old GEM object */ - if (psb_intel_crtc->cursor_obj) { - gt = container_of(psb_intel_crtc->cursor_obj, - struct gtt_range, gem); - psb_gtt_unpin(gt); - drm_gem_object_unreference(psb_intel_crtc->cursor_obj); - psb_intel_crtc->cursor_obj = NULL; - } - - return 0; - } - - /* Currently we only support 64x64 cursors */ - if (width != 64 || height != 64) { - dev_dbg(dev->dev, "we currently only support 64x64 cursors\n"); - return -EINVAL; - } - - obj = drm_gem_object_lookup(dev, file_priv, handle); - if (!obj) - return -ENOENT; - - if (obj->size < width * height * 4) { - dev_dbg(dev->dev, "buffer is to small\n"); - return -ENOMEM; - } - - gt = container_of(obj, struct gtt_range, gem); - - /* Pin the memory into the GTT */ - ret = psb_gtt_pin(gt); - if (ret) { - dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle); - return ret; - } - - addr = gt->offset; /* Or resource.start ??? */ - - psb_intel_crtc->cursor_addr = addr; - - temp = 0; - /* set the pipe for the cursor */ - temp |= (pipe << 28); - temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; - - if (gma_power_begin(dev, false)) { - REG_WRITE(control, temp); - REG_WRITE(base, addr); - gma_power_end(dev); - } - - /* unpin the old GEM object */ - if (psb_intel_crtc->cursor_obj) { - gt = container_of(psb_intel_crtc->cursor_obj, - struct gtt_range, gem); - psb_gtt_unpin(gt); - drm_gem_object_unreference(psb_intel_crtc->cursor_obj); - psb_intel_crtc->cursor_obj = obj; - } - return 0; -} - -static int cdv_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) -{ - struct drm_device *dev = crtc->dev; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - uint32_t temp = 0; - uint32_t adder; - - - if (x < 0) { - temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT); - x = -x; - } - if (y < 0) { - temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT); - y = -y; - } - - temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT); - temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT); - - adder = psb_intel_crtc->cursor_addr; - - if (gma_power_begin(dev, false)) { - REG_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp); - REG_WRITE((pipe == 0) ? CURABASE : CURBBASE, adder); - gma_power_end(dev); - } - return 0; -} - -static void cdv_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, - u16 *green, u16 *blue, uint32_t start, uint32_t size) -{ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int i; - int end = (start + size > 256) ? 256 : start + size; - - for (i = start; i < end; i++) { - psb_intel_crtc->lut_r[i] = red[i] >> 8; - psb_intel_crtc->lut_g[i] = green[i] >> 8; - psb_intel_crtc->lut_b[i] = blue[i] >> 8; - } - - cdv_intel_crtc_load_lut(crtc); -} - -static int cdv_crtc_set_config(struct drm_mode_set *set) -{ - int ret = 0; - struct drm_device *dev = set->crtc->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - - if (!dev_priv->rpm_enabled) - return drm_crtc_helper_set_config(set); - - pm_runtime_forbid(&dev->pdev->dev); - - ret = drm_crtc_helper_set_config(set); - - pm_runtime_allow(&dev->pdev->dev); - - return ret; -} - -/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */ - -/* FIXME: why are we using this, should it be cdv_ in this tree ? */ - -static void i8xx_clock(int refclk, struct cdv_intel_clock_t *clock) -{ - clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2); - clock->p = clock->p1 * clock->p2; - clock->vco = refclk * clock->m / (clock->n + 2); - clock->dot = clock->vco / clock->p; -} - -/* Returns the clock of the currently programmed mode of the given pipe. */ -static int cdv_intel_crtc_clock_get(struct drm_device *dev, - struct drm_crtc *crtc) -{ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - u32 dpll; - u32 fp; - struct cdv_intel_clock_t clock; - bool is_lvds; - struct drm_psb_private *dev_priv = dev->dev_private; - - if (gma_power_begin(dev, false)) { - dpll = REG_READ((pipe == 0) ? DPLL_A : DPLL_B); - if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) - fp = REG_READ((pipe == 0) ? FPA0 : FPB0); - else - fp = REG_READ((pipe == 0) ? FPA1 : FPB1); - is_lvds = (pipe == 1) && (REG_READ(LVDS) & LVDS_PORT_EN); - gma_power_end(dev); - } else { - dpll = (pipe == 0) ? - dev_priv->saveDPLL_A : dev_priv->saveDPLL_B; - - if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) - fp = (pipe == 0) ? - dev_priv->saveFPA0 : - dev_priv->saveFPB0; - else - fp = (pipe == 0) ? - dev_priv->saveFPA1 : - dev_priv->saveFPB1; - - is_lvds = (pipe == 1) && (dev_priv->saveLVDS & LVDS_PORT_EN); - } - - clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; - clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; - clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; - - if (is_lvds) { - clock.p1 = - ffs((dpll & - DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> - DPLL_FPA01_P1_POST_DIV_SHIFT); - if (clock.p1 == 0) { - clock.p1 = 4; - dev_err(dev->dev, "PLL %d\n", dpll); - } - clock.p2 = 14; - - if ((dpll & PLL_REF_INPUT_MASK) == - PLLB_REF_INPUT_SPREADSPECTRUMIN) { - /* XXX: might not be 66MHz */ - i8xx_clock(66000, &clock); - } else - i8xx_clock(48000, &clock); - } else { - if (dpll & PLL_P1_DIVIDE_BY_TWO) - clock.p1 = 2; - else { - clock.p1 = - ((dpll & - DPLL_FPA01_P1_POST_DIV_MASK_I830) >> - DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; - } - if (dpll & PLL_P2_DIVIDE_BY_4) - clock.p2 = 4; - else - clock.p2 = 2; - - i8xx_clock(48000, &clock); - } - - /* XXX: It would be nice to validate the clocks, but we can't reuse - * i830PllIsValid() because it relies on the xf86_config connector - * configuration being accurate, which it isn't necessarily. - */ - - return clock.dot; -} - -/** Returns the currently programmed mode of the given pipe. */ -struct drm_display_mode *cdv_intel_crtc_mode_get(struct drm_device *dev, - struct drm_crtc *crtc) -{ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - struct drm_display_mode *mode; - int htot; - int hsync; - int vtot; - int vsync; - struct drm_psb_private *dev_priv = dev->dev_private; - - if (gma_power_begin(dev, false)) { - htot = REG_READ((pipe == 0) ? HTOTAL_A : HTOTAL_B); - hsync = REG_READ((pipe == 0) ? HSYNC_A : HSYNC_B); - vtot = REG_READ((pipe == 0) ? VTOTAL_A : VTOTAL_B); - vsync = REG_READ((pipe == 0) ? VSYNC_A : VSYNC_B); - gma_power_end(dev); - } else { - htot = (pipe == 0) ? - dev_priv->saveHTOTAL_A : dev_priv->saveHTOTAL_B; - hsync = (pipe == 0) ? - dev_priv->saveHSYNC_A : dev_priv->saveHSYNC_B; - vtot = (pipe == 0) ? - dev_priv->saveVTOTAL_A : dev_priv->saveVTOTAL_B; - vsync = (pipe == 0) ? - dev_priv->saveVSYNC_A : dev_priv->saveVSYNC_B; - } - - mode = kzalloc(sizeof(*mode), GFP_KERNEL); - if (!mode) - return NULL; - - mode->clock = cdv_intel_crtc_clock_get(dev, crtc); - mode->hdisplay = (htot & 0xffff) + 1; - mode->htotal = ((htot & 0xffff0000) >> 16) + 1; - mode->hsync_start = (hsync & 0xffff) + 1; - mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; - mode->vdisplay = (vtot & 0xffff) + 1; - mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; - mode->vsync_start = (vsync & 0xffff) + 1; - mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; - - drm_mode_set_name(mode); - drm_mode_set_crtcinfo(mode, 0); - - return mode; -} - -static void cdv_intel_crtc_destroy(struct drm_crtc *crtc) -{ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - - kfree(psb_intel_crtc->crtc_state); - drm_crtc_cleanup(crtc); - kfree(psb_intel_crtc); -} - -const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = { - .dpms = cdv_intel_crtc_dpms, - .mode_fixup = cdv_intel_crtc_mode_fixup, - .mode_set = cdv_intel_crtc_mode_set, - .mode_set_base = cdv_intel_pipe_set_base, - .prepare = cdv_intel_crtc_prepare, - .commit = cdv_intel_crtc_commit, -}; - -const struct drm_crtc_funcs cdv_intel_crtc_funcs = { - .save = cdv_intel_crtc_save, - .restore = cdv_intel_crtc_restore, - .cursor_set = cdv_intel_crtc_cursor_set, - .cursor_move = cdv_intel_crtc_cursor_move, - .gamma_set = cdv_intel_crtc_gamma_set, - .set_config = cdv_crtc_set_config, - .destroy = cdv_intel_crtc_destroy, -}; - -/* - * Set the default value of cursor control and base register - * to zero. This is a workaround for h/w defect on oaktrail - */ -void cdv_intel_cursor_init(struct drm_device *dev, int pipe) -{ - uint32_t control; - uint32_t base; - - switch (pipe) { - case 0: - control = CURACNTR; - base = CURABASE; - break; - case 1: - control = CURBCNTR; - base = CURBBASE; - break; - case 2: - control = CURCCNTR; - base = CURCBASE; - break; - default: - return; - } - - REG_WRITE(control, 0); - REG_WRITE(base, 0); -} - diff --git a/drivers/staging/gma500/cdv_intel_hdmi.c b/drivers/staging/gma500/cdv_intel_hdmi.c deleted file mode 100644 index cbca2b0c7d58af..00000000000000 --- a/drivers/staging/gma500/cdv_intel_hdmi.c +++ /dev/null @@ -1,376 +0,0 @@ -/* - * Copyright © 2006-2011 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * jim liu <jim.liu@intel.com> - * - * FIXME: - * We should probably make this generic and share it with Medfield - */ - -#include <drm/drmP.h> -#include <drm/drm.h> -#include <drm/drm_crtc.h> -#include <drm/drm_edid.h> -#include "psb_intel_drv.h" -#include "psb_drv.h" -#include "psb_intel_reg.h" -#include <linux/pm_runtime.h> - -/* hdmi control bits */ -#define HDMI_NULL_PACKETS_DURING_VSYNC (1 << 9) -#define HDMI_BORDER_ENABLE (1 << 7) -#define HDMI_AUDIO_ENABLE (1 << 6) -#define HDMI_VSYNC_ACTIVE_HIGH (1 << 4) -#define HDMI_HSYNC_ACTIVE_HIGH (1 << 3) -/* hdmi-b control bits */ -#define HDMIB_PIPE_B_SELECT (1 << 30) - - -struct mid_intel_hdmi_priv { - u32 hdmi_reg; - u32 save_HDMIB; - bool has_hdmi_sink; - bool has_hdmi_audio; - /* Should set this when detect hotplug */ - bool hdmi_device_connected; - struct mdfld_hdmi_i2c *i2c_bus; - struct i2c_adapter *hdmi_i2c_adapter; /* for control functions */ - struct drm_device *dev; -}; - -static void cdv_hdmi_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct drm_device *dev = encoder->dev; - struct psb_intel_output *output = enc_to_psb_intel_output(encoder); - struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv; - u32 hdmib; - struct drm_crtc *crtc = encoder->crtc; - struct psb_intel_crtc *intel_crtc = to_psb_intel_crtc(crtc); - - hdmib = (2 << 10); - - if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) - hdmib |= HDMI_VSYNC_ACTIVE_HIGH; - if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) - hdmib |= HDMI_HSYNC_ACTIVE_HIGH; - - if (intel_crtc->pipe == 1) - hdmib |= HDMIB_PIPE_B_SELECT; - - if (hdmi_priv->has_hdmi_audio) { - hdmib |= HDMI_AUDIO_ENABLE; - hdmib |= HDMI_NULL_PACKETS_DURING_VSYNC; - } - - REG_WRITE(hdmi_priv->hdmi_reg, hdmib); - REG_READ(hdmi_priv->hdmi_reg); -} - -static bool cdv_hdmi_mode_fixup(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - -static void cdv_hdmi_dpms(struct drm_encoder *encoder, int mode) -{ - struct drm_device *dev = encoder->dev; - struct psb_intel_output *output = enc_to_psb_intel_output(encoder); - struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv; - u32 hdmib; - - hdmib = REG_READ(hdmi_priv->hdmi_reg); - - if (mode != DRM_MODE_DPMS_ON) - REG_WRITE(hdmi_priv->hdmi_reg, hdmib & ~HDMIB_PORT_EN); - else - REG_WRITE(hdmi_priv->hdmi_reg, hdmib | HDMIB_PORT_EN); - REG_READ(hdmi_priv->hdmi_reg); -} - -static void cdv_hdmi_save(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct psb_intel_output *output = to_psb_intel_output(connector); - struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv; - - hdmi_priv->save_HDMIB = REG_READ(hdmi_priv->hdmi_reg); -} - -static void cdv_hdmi_restore(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct psb_intel_output *output = to_psb_intel_output(connector); - struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv; - - REG_WRITE(hdmi_priv->hdmi_reg, hdmi_priv->save_HDMIB); - REG_READ(hdmi_priv->hdmi_reg); -} - -static enum drm_connector_status cdv_hdmi_detect( - struct drm_connector *connector, bool force) -{ - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - struct mid_intel_hdmi_priv *hdmi_priv = psb_intel_output->dev_priv; - struct edid *edid = NULL; - enum drm_connector_status status = connector_status_disconnected; - - edid = drm_get_edid(&psb_intel_output->base, - psb_intel_output->hdmi_i2c_adapter); - - hdmi_priv->has_hdmi_sink = false; - hdmi_priv->has_hdmi_audio = false; - if (edid) { - if (edid->input & DRM_EDID_INPUT_DIGITAL) { - status = connector_status_connected; - hdmi_priv->has_hdmi_sink = - drm_detect_hdmi_monitor(edid); - hdmi_priv->has_hdmi_audio = - drm_detect_monitor_audio(edid); - } - - psb_intel_output->base.display_info.raw_edid = NULL; - kfree(edid); - } - return status; -} - -static int cdv_hdmi_set_property(struct drm_connector *connector, - struct drm_property *property, - uint64_t value) -{ - struct drm_encoder *encoder = connector->encoder; - - if (!strcmp(property->name, "scaling mode") && encoder) { - struct psb_intel_crtc *crtc = to_psb_intel_crtc(encoder->crtc); - bool centre; - uint64_t curValue; - - if (!crtc) - return -1; - - switch (value) { - case DRM_MODE_SCALE_FULLSCREEN: - break; - case DRM_MODE_SCALE_NO_SCALE: - break; - case DRM_MODE_SCALE_ASPECT: - break; - default: - return -1; - } - - if (drm_connector_property_get_value(connector, - property, &curValue)) - return -1; - - if (curValue == value) - return 0; - - if (drm_connector_property_set_value(connector, - property, value)) - return -1; - - centre = (curValue == DRM_MODE_SCALE_NO_SCALE) || - (value == DRM_MODE_SCALE_NO_SCALE); - - if (crtc->saved_mode.hdisplay != 0 && - crtc->saved_mode.vdisplay != 0) { - if (centre) { - if (!drm_crtc_helper_set_mode(encoder->crtc, &crtc->saved_mode, - encoder->crtc->x, encoder->crtc->y, encoder->crtc->fb)) - return -1; - } else { - struct drm_encoder_helper_funcs *helpers - = encoder->helper_private; - helpers->mode_set(encoder, &crtc->saved_mode, - &crtc->saved_adjusted_mode); - } - } - } - return 0; -} - -/* - * Return the list of HDMI DDC modes if available. - */ -static int cdv_hdmi_get_modes(struct drm_connector *connector) -{ - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - struct edid *edid = NULL; - int ret = 0; - - edid = drm_get_edid(&psb_intel_output->base, - psb_intel_output->hdmi_i2c_adapter); - if (edid) { - drm_mode_connector_update_edid_property(&psb_intel_output-> - base, edid); - ret = drm_add_edid_modes(&psb_intel_output->base, edid); - kfree(edid); - } - return ret; -} - -static int cdv_hdmi_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - - if (mode->clock > 165000) - return MODE_CLOCK_HIGH; - if (mode->clock < 20000) - return MODE_CLOCK_HIGH; - - /* just in case */ - if (mode->flags & DRM_MODE_FLAG_DBLSCAN) - return MODE_NO_DBLESCAN; - - /* just in case */ - if (mode->flags & DRM_MODE_FLAG_INTERLACE) - return MODE_NO_INTERLACE; - - /* - * FIXME: for now we limit the size to 1680x1050 on CDV, otherwise it - * will go beyond the stolen memory size allocated to the framebuffer - */ - if (mode->hdisplay > 1680) - return MODE_PANEL; - if (mode->vdisplay > 1050) - return MODE_PANEL; - return MODE_OK; -} - -static void cdv_hdmi_destroy(struct drm_connector *connector) -{ - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - - if (psb_intel_output->ddc_bus) - psb_intel_i2c_destroy(psb_intel_output->ddc_bus); - drm_sysfs_connector_remove(connector); - drm_connector_cleanup(connector); - kfree(connector); -} - -static const struct drm_encoder_helper_funcs cdv_hdmi_helper_funcs = { - .dpms = cdv_hdmi_dpms, - .mode_fixup = cdv_hdmi_mode_fixup, - .prepare = psb_intel_encoder_prepare, - .mode_set = cdv_hdmi_mode_set, - .commit = psb_intel_encoder_commit, -}; - -static const struct drm_connector_helper_funcs - cdv_hdmi_connector_helper_funcs = { - .get_modes = cdv_hdmi_get_modes, - .mode_valid = cdv_hdmi_mode_valid, - .best_encoder = psb_intel_best_encoder, -}; - -static const struct drm_connector_funcs cdv_hdmi_connector_funcs = { - .dpms = drm_helper_connector_dpms, - .save = cdv_hdmi_save, - .restore = cdv_hdmi_restore, - .detect = cdv_hdmi_detect, - .fill_modes = drm_helper_probe_single_connector_modes, - .set_property = cdv_hdmi_set_property, - .destroy = cdv_hdmi_destroy, -}; - -void cdv_hdmi_init(struct drm_device *dev, - struct psb_intel_mode_device *mode_dev, int reg) -{ - struct psb_intel_output *psb_intel_output; - struct drm_connector *connector; - struct drm_encoder *encoder; - struct mid_intel_hdmi_priv *hdmi_priv; - int ddc_bus; - - psb_intel_output = kzalloc(sizeof(struct psb_intel_output) + - sizeof(struct mid_intel_hdmi_priv), GFP_KERNEL); - if (!psb_intel_output) - return; - - hdmi_priv = (struct mid_intel_hdmi_priv *)(psb_intel_output + 1); - psb_intel_output->mode_dev = mode_dev; - connector = &psb_intel_output->base; - encoder = &psb_intel_output->enc; - drm_connector_init(dev, &psb_intel_output->base, - &cdv_hdmi_connector_funcs, - DRM_MODE_CONNECTOR_DVID); - - drm_encoder_init(dev, &psb_intel_output->enc, &psb_intel_lvds_enc_funcs, - DRM_MODE_ENCODER_TMDS); - - drm_mode_connector_attach_encoder(&psb_intel_output->base, - &psb_intel_output->enc); - psb_intel_output->type = INTEL_OUTPUT_HDMI; - hdmi_priv->hdmi_reg = reg; - hdmi_priv->has_hdmi_sink = false; - psb_intel_output->dev_priv = hdmi_priv; - - drm_encoder_helper_add(encoder, &cdv_hdmi_helper_funcs); - drm_connector_helper_add(connector, - &cdv_hdmi_connector_helper_funcs); - connector->display_info.subpixel_order = SubPixelHorizontalRGB; - connector->interlace_allowed = false; - connector->doublescan_allowed = false; - - drm_connector_attach_property(connector, - dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN); - - switch (reg) { - case SDVOB: - ddc_bus = GPIOE; - break; - case SDVOC: - ddc_bus = GPIOD; - break; - default: - DRM_ERROR("unknown reg 0x%x for HDMI\n", reg); - goto failed_ddc; - break; - } - - psb_intel_output->ddc_bus = psb_intel_i2c_create(dev, - ddc_bus, (reg == SDVOB) ? "HDMIB" : "HDMIC"); - - if (!psb_intel_output->ddc_bus) { - dev_err(dev->dev, "No ddc adapter available!\n"); - goto failed_ddc; - } - psb_intel_output->hdmi_i2c_adapter = - &(psb_intel_output->ddc_bus->adapter); - hdmi_priv->dev = dev; - drm_sysfs_connector_add(connector); - return; - -failed_ddc: - drm_encoder_cleanup(&psb_intel_output->enc); - drm_connector_cleanup(&psb_intel_output->base); - kfree(psb_intel_output); -} diff --git a/drivers/staging/gma500/cdv_intel_lvds.c b/drivers/staging/gma500/cdv_intel_lvds.c deleted file mode 100644 index 988b2d0acf43fb..00000000000000 --- a/drivers/staging/gma500/cdv_intel_lvds.c +++ /dev/null @@ -1,721 +0,0 @@ -/* - * Copyright © 2006-2011 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: - * Eric Anholt <eric@anholt.net> - * Dave Airlie <airlied@linux.ie> - * Jesse Barnes <jesse.barnes@intel.com> - */ - -#include <linux/i2c.h> -#include <linux/dmi.h> -#include <drm/drmP.h> - -#include "intel_bios.h" -#include "psb_drv.h" -#include "psb_intel_drv.h" -#include "psb_intel_reg.h" -#include "power.h" -#include <linux/pm_runtime.h> -#include "cdv_device.h" - -/** - * LVDS I2C backlight control macros - */ -#define BRIGHTNESS_MAX_LEVEL 100 -#define BRIGHTNESS_MASK 0xFF -#define BLC_I2C_TYPE 0x01 -#define BLC_PWM_TYPT 0x02 - -#define BLC_POLARITY_NORMAL 0 -#define BLC_POLARITY_INVERSE 1 - -#define PSB_BLC_MAX_PWM_REG_FREQ (0xFFFE) -#define PSB_BLC_MIN_PWM_REG_FREQ (0x2) -#define PSB_BLC_PWM_PRECISION_FACTOR (10) -#define PSB_BACKLIGHT_PWM_CTL_SHIFT (16) -#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE) - -struct cdv_intel_lvds_priv { - /** - * Saved LVDO output states - */ - uint32_t savePP_ON; - uint32_t savePP_OFF; - uint32_t saveLVDS; - uint32_t savePP_CONTROL; - uint32_t savePP_CYCLE; - uint32_t savePFIT_CONTROL; - uint32_t savePFIT_PGM_RATIOS; - uint32_t saveBLC_PWM_CTL; -}; - -/* - * Returns the maximum level of the backlight duty cycle field. - */ -static u32 cdv_intel_lvds_get_max_backlight(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - u32 retval; - - if (gma_power_begin(dev, false)) { - retval = ((REG_READ(BLC_PWM_CTL) & - BACKLIGHT_MODULATION_FREQ_MASK) >> - BACKLIGHT_MODULATION_FREQ_SHIFT) * 2; - - gma_power_end(dev); - } else - retval = ((dev_priv->saveBLC_PWM_CTL & - BACKLIGHT_MODULATION_FREQ_MASK) >> - BACKLIGHT_MODULATION_FREQ_SHIFT) * 2; - - return retval; -} - -/* - * Set LVDS backlight level by I2C command - */ -static int cdv_lvds_i2c_set_brightness(struct drm_device *dev, - unsigned int level) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct psb_intel_i2c_chan *lvds_i2c_bus = dev_priv->lvds_i2c_bus; - u8 out_buf[2]; - unsigned int blc_i2c_brightness; - - struct i2c_msg msgs[] = { - { - .addr = lvds_i2c_bus->slave_addr, - .flags = 0, - .len = 2, - .buf = out_buf, - } - }; - - blc_i2c_brightness = BRIGHTNESS_MASK & ((unsigned int)level * - BRIGHTNESS_MASK / - BRIGHTNESS_MAX_LEVEL); - - if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE) - blc_i2c_brightness = BRIGHTNESS_MASK - blc_i2c_brightness; - - out_buf[0] = dev_priv->lvds_bl->brightnesscmd; - out_buf[1] = (u8)blc_i2c_brightness; - - if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1) - return 0; - - DRM_ERROR("I2C transfer error\n"); - return -1; -} - - -static int cdv_lvds_pwm_set_brightness(struct drm_device *dev, int level) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - u32 max_pwm_blc; - u32 blc_pwm_duty_cycle; - - max_pwm_blc = cdv_intel_lvds_get_max_backlight(dev); - - /*BLC_PWM_CTL Should be initiated while backlight device init*/ - BUG_ON((max_pwm_blc & PSB_BLC_MAX_PWM_REG_FREQ) == 0); - - blc_pwm_duty_cycle = level * max_pwm_blc / BRIGHTNESS_MAX_LEVEL; - - if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE) - blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle; - - blc_pwm_duty_cycle &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR; - REG_WRITE(BLC_PWM_CTL, - (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) | - (blc_pwm_duty_cycle)); - - return 0; -} - -/* - * Set LVDS backlight level either by I2C or PWM - */ -void cdv_intel_lvds_set_brightness(struct drm_device *dev, int level) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - if (!dev_priv->lvds_bl) { - DRM_ERROR("NO LVDS Backlight Info\n"); - return; - } - - if (dev_priv->lvds_bl->type == BLC_I2C_TYPE) - cdv_lvds_i2c_set_brightness(dev, level); - else - cdv_lvds_pwm_set_brightness(dev, level); -} - -/** - * Sets the backlight level. - * - * level backlight level, from 0 to cdv_intel_lvds_get_max_backlight(). - */ -static void cdv_intel_lvds_set_backlight(struct drm_device *dev, int level) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - u32 blc_pwm_ctl; - - if (gma_power_begin(dev, false)) { - blc_pwm_ctl = - REG_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK; - REG_WRITE(BLC_PWM_CTL, - (blc_pwm_ctl | - (level << BACKLIGHT_DUTY_CYCLE_SHIFT))); - gma_power_end(dev); - } else { - blc_pwm_ctl = dev_priv->saveBLC_PWM_CTL & - ~BACKLIGHT_DUTY_CYCLE_MASK; - dev_priv->saveBLC_PWM_CTL = (blc_pwm_ctl | - (level << BACKLIGHT_DUTY_CYCLE_SHIFT)); - } -} - -/** - * Sets the power state for the panel. - */ -static void cdv_intel_lvds_set_power(struct drm_device *dev, - struct psb_intel_output *output, bool on) -{ - u32 pp_status; - - if (!gma_power_begin(dev, true)) - return; - - if (on) { - REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) | - POWER_TARGET_ON); - do { - pp_status = REG_READ(PP_STATUS); - } while ((pp_status & PP_ON) == 0); - - cdv_intel_lvds_set_backlight(dev, - output-> - mode_dev->backlight_duty_cycle); - } else { - cdv_intel_lvds_set_backlight(dev, 0); - - REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) & - ~POWER_TARGET_ON); - do { - pp_status = REG_READ(PP_STATUS); - } while (pp_status & PP_ON); - } - gma_power_end(dev); -} - -static void cdv_intel_lvds_encoder_dpms(struct drm_encoder *encoder, int mode) -{ - struct drm_device *dev = encoder->dev; - struct psb_intel_output *output = enc_to_psb_intel_output(encoder); - if (mode == DRM_MODE_DPMS_ON) - cdv_intel_lvds_set_power(dev, output, true); - else - cdv_intel_lvds_set_power(dev, output, false); - /* XXX: We never power down the LVDS pairs. */ -} - -static void cdv_intel_lvds_save(struct drm_connector *connector) -{ -} - -static void cdv_intel_lvds_restore(struct drm_connector *connector) -{ -} - -int cdv_intel_lvds_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - struct drm_display_mode *fixed_mode = - psb_intel_output->mode_dev->panel_fixed_mode; - - /* just in case */ - if (mode->flags & DRM_MODE_FLAG_DBLSCAN) - return MODE_NO_DBLESCAN; - - /* just in case */ - if (mode->flags & DRM_MODE_FLAG_INTERLACE) - return MODE_NO_INTERLACE; - - if (fixed_mode) { - if (mode->hdisplay > fixed_mode->hdisplay) - return MODE_PANEL; - if (mode->vdisplay > fixed_mode->vdisplay) - return MODE_PANEL; - } - return MODE_OK; -} - -bool cdv_intel_lvds_mode_fixup(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct psb_intel_mode_device *mode_dev = - enc_to_psb_intel_output(encoder)->mode_dev; - struct drm_device *dev = encoder->dev; - struct drm_encoder *tmp_encoder; - struct drm_display_mode *panel_fixed_mode = mode_dev->panel_fixed_mode; - - /* Should never happen!! */ - list_for_each_entry(tmp_encoder, &dev->mode_config.encoder_list, - head) { - if (tmp_encoder != encoder - && tmp_encoder->crtc == encoder->crtc) { - printk(KERN_ERR "Can't enable LVDS and another " - "encoder on the same pipe\n"); - return false; - } - } - - /* - * If we have timings from the BIOS for the panel, put them in - * to the adjusted mode. The CRTC will be set up for this mode, - * with the panel scaling set up to source from the H/VDisplay - * of the original mode. - */ - if (panel_fixed_mode != NULL) { - adjusted_mode->hdisplay = panel_fixed_mode->hdisplay; - adjusted_mode->hsync_start = panel_fixed_mode->hsync_start; - adjusted_mode->hsync_end = panel_fixed_mode->hsync_end; - adjusted_mode->htotal = panel_fixed_mode->htotal; - adjusted_mode->vdisplay = panel_fixed_mode->vdisplay; - adjusted_mode->vsync_start = panel_fixed_mode->vsync_start; - adjusted_mode->vsync_end = panel_fixed_mode->vsync_end; - adjusted_mode->vtotal = panel_fixed_mode->vtotal; - adjusted_mode->clock = panel_fixed_mode->clock; - drm_mode_set_crtcinfo(adjusted_mode, - CRTC_INTERLACE_HALVE_V); - } - - /* - * XXX: It would be nice to support lower refresh rates on the - * panels to reduce power consumption, and perhaps match the - * user's requested refresh rate. - */ - - return true; -} - -static void cdv_intel_lvds_prepare(struct drm_encoder *encoder) -{ - struct drm_device *dev = encoder->dev; - struct psb_intel_output *output = enc_to_psb_intel_output(encoder); - struct psb_intel_mode_device *mode_dev = output->mode_dev; - - if (!gma_power_begin(dev, true)) - return; - - mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL); - mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL & - BACKLIGHT_DUTY_CYCLE_MASK); - - cdv_intel_lvds_set_power(dev, output, false); - - gma_power_end(dev); -} - -static void cdv_intel_lvds_commit(struct drm_encoder *encoder) -{ - struct drm_device *dev = encoder->dev; - struct psb_intel_output *output = enc_to_psb_intel_output(encoder); - struct psb_intel_mode_device *mode_dev = output->mode_dev; - - if (mode_dev->backlight_duty_cycle == 0) - mode_dev->backlight_duty_cycle = - cdv_intel_lvds_get_max_backlight(dev); - - cdv_intel_lvds_set_power(dev, output, true); -} - -static void cdv_intel_lvds_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct drm_device *dev = encoder->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - u32 pfit_control; - - /* - * The LVDS pin pair will already have been turned on in the - * cdv_intel_crtc_mode_set since it has a large impact on the DPLL - * settings. - */ - - /* - * Enable automatic panel scaling so that non-native modes fill the - * screen. Should be enabled before the pipe is enabled, according to - * register description and PRM. - */ - if (mode->hdisplay != adjusted_mode->hdisplay || - mode->vdisplay != adjusted_mode->vdisplay) - pfit_control = (PFIT_ENABLE | VERT_AUTO_SCALE | - HORIZ_AUTO_SCALE | VERT_INTERP_BILINEAR | - HORIZ_INTERP_BILINEAR); - else - pfit_control = 0; - - if (dev_priv->lvds_dither) - pfit_control |= PANEL_8TO6_DITHER_ENABLE; - - REG_WRITE(PFIT_CONTROL, pfit_control); -} - -/** - * Detect the LVDS connection. - * - * This always returns CONNECTOR_STATUS_CONNECTED. - * This connector should only have - * been set up if the LVDS was actually connected anyway. - */ -static enum drm_connector_status cdv_intel_lvds_detect( - struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - -/** - * Return the list of DDC modes if available, or the BIOS fixed mode otherwise. - */ -static int cdv_intel_lvds_get_modes(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - struct psb_intel_mode_device *mode_dev = - psb_intel_output->mode_dev; - int ret; - - ret = psb_intel_ddc_get_modes(psb_intel_output); - - if (ret) - return ret; - - /* Didn't get an EDID, so - * Set wide sync ranges so we get all modes - * handed to valid_mode for checking - */ - connector->display_info.min_vfreq = 0; - connector->display_info.max_vfreq = 200; - connector->display_info.min_hfreq = 0; - connector->display_info.max_hfreq = 200; - if (mode_dev->panel_fixed_mode != NULL) { - struct drm_display_mode *mode = - drm_mode_duplicate(dev, mode_dev->panel_fixed_mode); - drm_mode_probed_add(connector, mode); - return 1; - } - - return 0; -} - -/** - * cdv_intel_lvds_destroy - unregister and free LVDS structures - * @connector: connector to free - * - * Unregister the DDC bus for this connector then free the driver private - * structure. - */ -void cdv_intel_lvds_destroy(struct drm_connector *connector) -{ - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - - if (psb_intel_output->ddc_bus) - psb_intel_i2c_destroy(psb_intel_output->ddc_bus); - drm_sysfs_connector_remove(connector); - drm_connector_cleanup(connector); - kfree(connector); -} - -int cdv_intel_lvds_set_property(struct drm_connector *connector, - struct drm_property *property, - uint64_t value) -{ - struct drm_encoder *encoder = connector->encoder; - - if (!strcmp(property->name, "scaling mode") && encoder) { - struct psb_intel_crtc *crtc = - to_psb_intel_crtc(encoder->crtc); - uint64_t curValue; - - if (!crtc) - return -1; - - switch (value) { - case DRM_MODE_SCALE_FULLSCREEN: - break; - case DRM_MODE_SCALE_NO_SCALE: - break; - case DRM_MODE_SCALE_ASPECT: - break; - default: - return -1; - } - - if (drm_connector_property_get_value(connector, - property, - &curValue)) - return -1; - - if (curValue == value) - return 0; - - if (drm_connector_property_set_value(connector, - property, - value)) - return -1; - - if (crtc->saved_mode.hdisplay != 0 && - crtc->saved_mode.vdisplay != 0) { - if (!drm_crtc_helper_set_mode(encoder->crtc, - &crtc->saved_mode, - encoder->crtc->x, - encoder->crtc->y, - encoder->crtc->fb)) - return -1; - } - } else if (!strcmp(property->name, "backlight") && encoder) { - if (drm_connector_property_set_value(connector, - property, - value)) - return -1; - else { -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - struct drm_psb_private *dev_priv = - encoder->dev->dev_private; - struct backlight_device *bd = - dev_priv->backlight_device; - bd->props.brightness = value; - backlight_update_status(bd); -#endif - } - } else if (!strcmp(property->name, "DPMS") && encoder) { - struct drm_encoder_helper_funcs *helpers = - encoder->helper_private; - helpers->dpms(encoder, value); - } - return 0; -} - -static const struct drm_encoder_helper_funcs - cdv_intel_lvds_helper_funcs = { - .dpms = cdv_intel_lvds_encoder_dpms, - .mode_fixup = cdv_intel_lvds_mode_fixup, - .prepare = cdv_intel_lvds_prepare, - .mode_set = cdv_intel_lvds_mode_set, - .commit = cdv_intel_lvds_commit, -}; - -static const struct drm_connector_helper_funcs - cdv_intel_lvds_connector_helper_funcs = { - .get_modes = cdv_intel_lvds_get_modes, - .mode_valid = cdv_intel_lvds_mode_valid, - .best_encoder = psb_intel_best_encoder, -}; - -static const struct drm_connector_funcs cdv_intel_lvds_connector_funcs = { - .dpms = drm_helper_connector_dpms, - .save = cdv_intel_lvds_save, - .restore = cdv_intel_lvds_restore, - .detect = cdv_intel_lvds_detect, - .fill_modes = drm_helper_probe_single_connector_modes, - .set_property = cdv_intel_lvds_set_property, - .destroy = cdv_intel_lvds_destroy, -}; - - -static void cdv_intel_lvds_enc_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -const struct drm_encoder_funcs cdv_intel_lvds_enc_funcs = { - .destroy = cdv_intel_lvds_enc_destroy, -}; - -/** - * cdv_intel_lvds_init - setup LVDS connectors on this device - * @dev: drm device - * - * Create the connector, register the LVDS DDC bus, and try to figure out what - * modes we can display on the LVDS panel (if present). - */ -void cdv_intel_lvds_init(struct drm_device *dev, - struct psb_intel_mode_device *mode_dev) -{ - struct psb_intel_output *psb_intel_output; - struct cdv_intel_lvds_priv *lvds_priv; - struct drm_connector *connector; - struct drm_encoder *encoder; - struct drm_display_mode *scan; - struct drm_crtc *crtc; - struct drm_psb_private *dev_priv = dev->dev_private; - u32 lvds; - int pipe; - - psb_intel_output = kzalloc(sizeof(struct psb_intel_output) + - sizeof(struct cdv_intel_lvds_priv), GFP_KERNEL); - if (!psb_intel_output) - return; - - lvds_priv = (struct cdv_intel_lvds_priv *)(psb_intel_output + 1); - - psb_intel_output->dev_priv = lvds_priv; - - psb_intel_output->mode_dev = mode_dev; - connector = &psb_intel_output->base; - encoder = &psb_intel_output->enc; - - - drm_connector_init(dev, &psb_intel_output->base, - &cdv_intel_lvds_connector_funcs, - DRM_MODE_CONNECTOR_LVDS); - - drm_encoder_init(dev, &psb_intel_output->enc, - &cdv_intel_lvds_enc_funcs, - DRM_MODE_ENCODER_LVDS); - - - drm_mode_connector_attach_encoder(&psb_intel_output->base, - &psb_intel_output->enc); - psb_intel_output->type = INTEL_OUTPUT_LVDS; - - drm_encoder_helper_add(encoder, &cdv_intel_lvds_helper_funcs); - drm_connector_helper_add(connector, - &cdv_intel_lvds_connector_helper_funcs); - connector->display_info.subpixel_order = SubPixelHorizontalRGB; - connector->interlace_allowed = false; - connector->doublescan_allowed = false; - - /*Attach connector properties*/ - drm_connector_attach_property(connector, - dev->mode_config.scaling_mode_property, - DRM_MODE_SCALE_FULLSCREEN); - drm_connector_attach_property(connector, - dev_priv->backlight_property, - BRIGHTNESS_MAX_LEVEL); - - /** - * Set up I2C bus - * FIXME: distroy i2c_bus when exit - */ - psb_intel_output->i2c_bus = psb_intel_i2c_create(dev, - GPIOB, - "LVDSBLC_B"); - if (!psb_intel_output->i2c_bus) { - dev_printk(KERN_ERR, - &dev->pdev->dev, "I2C bus registration failed.\n"); - goto failed_blc_i2c; - } - psb_intel_output->i2c_bus->slave_addr = 0x2C; - dev_priv->lvds_i2c_bus = psb_intel_output->i2c_bus; - - /* - * LVDS discovery: - * 1) check for EDID on DDC - * 2) check for VBT data - * 3) check to see if LVDS is already on - * if none of the above, no panel - * 4) make sure lid is open - * if closed, act like it's not there for now - */ - - /* Set up the DDC bus. */ - psb_intel_output->ddc_bus = psb_intel_i2c_create(dev, - GPIOC, - "LVDSDDC_C"); - if (!psb_intel_output->ddc_bus) { - dev_printk(KERN_ERR, &dev->pdev->dev, - "DDC bus registration " "failed.\n"); - goto failed_ddc; - } - - /* - * Attempt to get the fixed panel mode from DDC. Assume that the - * preferred mode is the right one. - */ - psb_intel_ddc_get_modes(psb_intel_output); - list_for_each_entry(scan, &connector->probed_modes, head) { - if (scan->type & DRM_MODE_TYPE_PREFERRED) { - mode_dev->panel_fixed_mode = - drm_mode_duplicate(dev, scan); - goto out; /* FIXME: check for quirks */ - } - } - - /* Failed to get EDID, what about VBT? do we need this?*/ - if (dev_priv->lfp_lvds_vbt_mode) { - mode_dev->panel_fixed_mode = - drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode); - if (mode_dev->panel_fixed_mode) { - mode_dev->panel_fixed_mode->type |= - DRM_MODE_TYPE_PREFERRED; - goto out; /* FIXME: check for quirks */ - } - } - /* - * If we didn't get EDID, try checking if the panel is already turned - * on. If so, assume that whatever is currently programmed is the - * correct mode. - */ - lvds = REG_READ(LVDS); - pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0; - crtc = psb_intel_get_crtc_from_pipe(dev, pipe); - - if (crtc && (lvds & LVDS_PORT_EN)) { - mode_dev->panel_fixed_mode = - cdv_intel_crtc_mode_get(dev, crtc); - if (mode_dev->panel_fixed_mode) { - mode_dev->panel_fixed_mode->type |= - DRM_MODE_TYPE_PREFERRED; - goto out; /* FIXME: check for quirks */ - } - } - - /* If we still don't have a mode after all that, give up. */ - if (!mode_dev->panel_fixed_mode) { - DRM_DEBUG - ("Found no modes on the lvds, ignoring the LVDS\n"); - goto failed_find; - } - -out: - drm_sysfs_connector_add(connector); - return; - -failed_find: - printk(KERN_ERR "Failed find\n"); - if (psb_intel_output->ddc_bus) - psb_intel_i2c_destroy(psb_intel_output->ddc_bus); -failed_ddc: - printk(KERN_ERR "Failed DDC\n"); - if (psb_intel_output->i2c_bus) - psb_intel_i2c_destroy(psb_intel_output->i2c_bus); -failed_blc_i2c: - printk(KERN_ERR "Failed BLC\n"); - drm_encoder_cleanup(encoder); - drm_connector_cleanup(connector); - kfree(connector); -} diff --git a/drivers/staging/gma500/displays/hdmi.h b/drivers/staging/gma500/displays/hdmi.h deleted file mode 100644 index d58ba9bd010f7a..00000000000000 --- a/drivers/staging/gma500/displays/hdmi.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Copyright (c) 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Thomas Eaton <thomas.g.eaton@intel.com> - * Scott Rowe <scott.m.rowe@intel.com> - */ - -#ifndef HDMI_H -#define HDMI_H - -extern void hdmi_init(struct drm_device *dev); - -#endif diff --git a/drivers/staging/gma500/displays/pyr_cmd.h b/drivers/staging/gma500/displays/pyr_cmd.h deleted file mode 100644 index 84bae5c8c552a1..00000000000000 --- a/drivers/staging/gma500/displays/pyr_cmd.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright (c) 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicensen - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Thomas Eaton <thomas.g.eaton@intel.com> - * Scott Rowe <scott.m.rowe@intel.com> - */ - -#ifndef PYR_CMD_H -#define PYR_CMD_H - -extern void pyr_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs); - -#endif - diff --git a/drivers/staging/gma500/displays/pyr_vid.h b/drivers/staging/gma500/displays/pyr_vid.h deleted file mode 100644 index ce98860fa68ac8..00000000000000 --- a/drivers/staging/gma500/displays/pyr_vid.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright (c) 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicensen - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Thomas Eaton <thomas.g.eaton@intel.com> - * Scott Rowe <scott.m.rowe@intel.com> -*/ - -#ifndef PYR_VID_H -#define PYR_VID_H - -extern void pyr_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs); -extern struct drm_display_mode *pyr_vid_get_config_mode(struct drm_device* dev); - -#endif diff --git a/drivers/staging/gma500/displays/tmd_cmd.h b/drivers/staging/gma500/displays/tmd_cmd.h deleted file mode 100644 index 641e85eedece1c..00000000000000 --- a/drivers/staging/gma500/displays/tmd_cmd.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright (c) 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicensen - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Thomas Eaton <thomas.g.eaton@intel.com> - * Scott Rowe <scott.m.rowe@intel.com> - */ - -#ifndef TMD_CMD_H -#define TMD_CMD_H - -extern void tmd_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs); -extern struct drm_display_mode *tmd_cmd_get_config_mode(struct drm_device *dev); - -#endif diff --git a/drivers/staging/gma500/displays/tmd_vid.h b/drivers/staging/gma500/displays/tmd_vid.h deleted file mode 100644 index 7a5fa3b935e3fe..00000000000000 --- a/drivers/staging/gma500/displays/tmd_vid.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright (c) 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicensen - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Thomas Eaton <thomas.g.eaton@intel.com> - * Scott Rowe <scott.m.rowe@intel.com> -*/ - -#ifndef TMD_VID_H -#define TMD_VID_H - -extern void tmd_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs); -extern struct drm_display_mode *tmd_vid_get_config_mode(struct drm_device *dev); - -#endif diff --git a/drivers/staging/gma500/displays/tpo_cmd.h b/drivers/staging/gma500/displays/tpo_cmd.h deleted file mode 100644 index 610552730d7169..00000000000000 --- a/drivers/staging/gma500/displays/tpo_cmd.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * Copyright (c) 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicensen - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Thomas Eaton <thomas.g.eaton@intel.com> - * Scott Rowe <scott.m.rowe@intel.com> -*/ - -#ifndef TPO_CMD_H -#define TPO_CMD_H - -extern void tpo_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs); -/* extern struct drm_display_mode * */ -/* tpo_cmd_get_config_mode(struct drm_device *dev); */ - -#endif diff --git a/drivers/staging/gma500/displays/tpo_vid.h b/drivers/staging/gma500/displays/tpo_vid.h deleted file mode 100644 index c24f05722de10d..00000000000000 --- a/drivers/staging/gma500/displays/tpo_vid.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Copyright (c) 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicensen - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Thomas Eaton <thomas.g.eaton@intel.com> - * Scott Rowe <scott.m.rowe@intel.com> - */ - -#ifndef TPO_VID_H -#define TPO_VID_H - -extern void tpo_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs); - -#endif diff --git a/drivers/staging/gma500/framebuffer.c b/drivers/staging/gma500/framebuffer.c deleted file mode 100644 index b00761cba1448a..00000000000000 --- a/drivers/staging/gma500/framebuffer.c +++ /dev/null @@ -1,856 +0,0 @@ -/************************************************************************** - * Copyright (c) 2007-2011, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - **************************************************************************/ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/tty.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/console.h> - -#include <drm/drmP.h> -#include <drm/drm.h> -#include <drm/drm_crtc.h> -#include <drm/drm_fb_helper.h> - -#include "psb_drv.h" -#include "psb_intel_reg.h" -#include "psb_intel_drv.h" -#include "framebuffer.h" -#include "gtt.h" - -#include "mdfld_output.h" - -static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb); -static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, - struct drm_file *file_priv, - unsigned int *handle); - -static const struct drm_framebuffer_funcs psb_fb_funcs = { - .destroy = psb_user_framebuffer_destroy, - .create_handle = psb_user_framebuffer_create_handle, -}; - -#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16) - -static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info) -{ - struct psb_fbdev *fbdev = info->par; - struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb; - uint32_t v; - - if (!fb) - return -ENOMEM; - - if (regno > 255) - return 1; - - red = CMAP_TOHW(red, info->var.red.length); - blue = CMAP_TOHW(blue, info->var.blue.length); - green = CMAP_TOHW(green, info->var.green.length); - transp = CMAP_TOHW(transp, info->var.transp.length); - - v = (red << info->var.red.offset) | - (green << info->var.green.offset) | - (blue << info->var.blue.offset) | - (transp << info->var.transp.offset); - - if (regno < 16) { - switch (fb->bits_per_pixel) { - case 16: - ((uint32_t *) info->pseudo_palette)[regno] = v; - break; - case 24: - case 32: - ((uint32_t *) info->pseudo_palette)[regno] = v; - break; - } - } - - return 0; -} - -static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info) -{ - struct psb_fbdev *fbdev = info->par; - struct psb_framebuffer *psbfb = &fbdev->pfb; - struct drm_device *dev = psbfb->base.dev; - - /* - * We have to poke our nose in here. The core fb code assumes - * panning is part of the hardware that can be invoked before - * the actual fb is mapped. In our case that isn't quite true. - */ - if (psbfb->gtt->npage) - psb_gtt_roll(dev, psbfb->gtt, var->yoffset); - return 0; -} - -void psbfb_suspend(struct drm_device *dev) -{ - struct drm_framebuffer *fb = 0; - struct psb_framebuffer *psbfb = to_psb_fb(fb); - - console_lock(); - mutex_lock(&dev->mode_config.mutex); - list_for_each_entry(fb, &dev->mode_config.fb_list, head) { - struct fb_info *info = psbfb->fbdev; - fb_set_suspend(info, 1); - drm_fb_helper_blank(FB_BLANK_POWERDOWN, info); - } - mutex_unlock(&dev->mode_config.mutex); - console_unlock(); -} - -void psbfb_resume(struct drm_device *dev) -{ - struct drm_framebuffer *fb = 0; - struct psb_framebuffer *psbfb = to_psb_fb(fb); - - console_lock(); - mutex_lock(&dev->mode_config.mutex); - list_for_each_entry(fb, &dev->mode_config.fb_list, head) { - struct fb_info *info = psbfb->fbdev; - fb_set_suspend(info, 0); - drm_fb_helper_blank(FB_BLANK_UNBLANK, info); - } - mutex_unlock(&dev->mode_config.mutex); - console_unlock(); - drm_helper_disable_unused_functions(dev); -} - -static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -{ - struct psb_framebuffer *psbfb = vma->vm_private_data; - struct drm_device *dev = psbfb->base.dev; - struct drm_psb_private *dev_priv = dev->dev_private; - int page_num; - int i; - unsigned long address; - int ret; - unsigned long pfn; - /* FIXME: assumes fb at stolen base which may not be true */ - unsigned long phys_addr = (unsigned long)dev_priv->stolen_base; - - page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; - address = (unsigned long)vmf->virtual_address; - - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - - for (i = 0; i < page_num; i++) { - pfn = (phys_addr >> PAGE_SHIFT); - - ret = vm_insert_mixed(vma, address, pfn); - if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0))) - break; - else if (unlikely(ret != 0)) { - ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS; - return ret; - } - address += PAGE_SIZE; - phys_addr += PAGE_SIZE; - } - return VM_FAULT_NOPAGE; -} - -static void psbfb_vm_open(struct vm_area_struct *vma) -{ -} - -static void psbfb_vm_close(struct vm_area_struct *vma) -{ -} - -static struct vm_operations_struct psbfb_vm_ops = { - .fault = psbfb_vm_fault, - .open = psbfb_vm_open, - .close = psbfb_vm_close -}; - -static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma) -{ - struct psb_fbdev *fbdev = info->par; - struct psb_framebuffer *psbfb = &fbdev->pfb; - - if (vma->vm_pgoff != 0) - return -EINVAL; - if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) - return -EINVAL; - - if (!psbfb->addr_space) - psbfb->addr_space = vma->vm_file->f_mapping; - /* - * If this is a GEM object then info->screen_base is the virtual - * kernel remapping of the object. FIXME: Review if this is - * suitable for our mmap work - */ - vma->vm_ops = &psbfb_vm_ops; - vma->vm_private_data = (void *)psbfb; - vma->vm_flags |= VM_RESERVED | VM_IO | - VM_MIXEDMAP | VM_DONTEXPAND; - return 0; -} - -static int psbfb_ioctl(struct fb_info *info, unsigned int cmd, - unsigned long arg) -{ - return -ENOTTY; -} - -static struct fb_ops psbfb_ops = { - .owner = THIS_MODULE, - .fb_check_var = drm_fb_helper_check_var, - .fb_set_par = drm_fb_helper_set_par, - .fb_blank = drm_fb_helper_blank, - .fb_setcolreg = psbfb_setcolreg, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = psbfb_copyarea, - .fb_imageblit = cfb_imageblit, - .fb_mmap = psbfb_mmap, - .fb_sync = psbfb_sync, - .fb_ioctl = psbfb_ioctl, -}; - -static struct fb_ops psbfb_roll_ops = { - .owner = THIS_MODULE, - .fb_check_var = drm_fb_helper_check_var, - .fb_set_par = drm_fb_helper_set_par, - .fb_blank = drm_fb_helper_blank, - .fb_setcolreg = psbfb_setcolreg, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, - .fb_pan_display = psbfb_pan, - .fb_mmap = psbfb_mmap, - .fb_sync = psbfb_sync, - .fb_ioctl = psbfb_ioctl, -}; - -static struct fb_ops psbfb_unaccel_ops = { - .owner = THIS_MODULE, - .fb_check_var = drm_fb_helper_check_var, - .fb_set_par = drm_fb_helper_set_par, - .fb_blank = drm_fb_helper_blank, - .fb_setcolreg = psbfb_setcolreg, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, - .fb_mmap = psbfb_mmap, - .fb_ioctl = psbfb_ioctl, -}; - -/** - * psb_framebuffer_init - initialize a framebuffer - * @dev: our DRM device - * @fb: framebuffer to set up - * @mode_cmd: mode description - * @gt: backing object - * - * Configure and fill in the boilerplate for our frame buffer. Return - * 0 on success or an error code if we fail. - */ -static int psb_framebuffer_init(struct drm_device *dev, - struct psb_framebuffer *fb, - struct drm_mode_fb_cmd2 *mode_cmd, - struct gtt_range *gt) -{ - u32 bpp, depth; - int ret; - - drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp); - - if (mode_cmd->pitches[0] & 63) - return -EINVAL; - switch (bpp) { - case 8: - case 16: - case 24: - case 32: - break; - default: - return -EINVAL; - } - ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs); - if (ret) { - dev_err(dev->dev, "framebuffer init failed: %d\n", ret); - return ret; - } - drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd); - fb->gtt = gt; - return 0; -} - -/** - * psb_framebuffer_create - create a framebuffer backed by gt - * @dev: our DRM device - * @mode_cmd: the description of the requested mode - * @gt: the backing object - * - * Create a framebuffer object backed by the gt, and fill in the - * boilerplate required - * - * TODO: review object references - */ - -static struct drm_framebuffer *psb_framebuffer_create - (struct drm_device *dev, - struct drm_mode_fb_cmd2 *mode_cmd, - struct gtt_range *gt) -{ - struct psb_framebuffer *fb; - int ret; - - fb = kzalloc(sizeof(*fb), GFP_KERNEL); - if (!fb) - return ERR_PTR(-ENOMEM); - - ret = psb_framebuffer_init(dev, fb, mode_cmd, gt); - if (ret) { - kfree(fb); - return ERR_PTR(ret); - } - return &fb->base; -} - -/** - * psbfb_alloc - allocate frame buffer memory - * @dev: the DRM device - * @aligned_size: space needed - * @force: fall back to GEM buffers if need be - * - * Allocate the frame buffer. In the usual case we get a GTT range that - * is stolen memory backed and life is simple. If there isn't sufficient - * stolen memory or the system has no stolen memory we allocate a range - * and back it with a GEM object. - * - * In this case the GEM object has no handle. - */ -static struct gtt_range *psbfb_alloc(struct drm_device *dev, - int aligned_size, int force) -{ - struct gtt_range *backing; - /* Begin by trying to use stolen memory backing */ - backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1); - if (backing) { - if (drm_gem_private_object_init(dev, - &backing->gem, aligned_size) == 0) - return backing; - psb_gtt_free_range(dev, backing); - } - if (!force) - return NULL; - - /* Next try using GEM host memory */ - backing = psb_gtt_alloc_range(dev, aligned_size, "fb(gem)", 0); - if (backing == NULL) - return NULL; - - /* Now back it with an object */ - if (drm_gem_object_init(dev, &backing->gem, aligned_size) != 0) { - psb_gtt_free_range(dev, backing); - return NULL; - } - return backing; -} - -/** - * psbfb_create - create a framebuffer - * @fbdev: the framebuffer device - * @sizes: specification of the layout - * - * Create a framebuffer to the specifications provided - */ -static int psbfb_create(struct psb_fbdev *fbdev, - struct drm_fb_helper_surface_size *sizes) -{ - struct drm_device *dev = fbdev->psb_fb_helper.dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct fb_info *info; - struct drm_framebuffer *fb; - struct psb_framebuffer *psbfb = &fbdev->pfb; - struct drm_mode_fb_cmd2 mode_cmd; - struct device *device = &dev->pdev->dev; - int size; - int ret; - struct gtt_range *backing; - int gtt_roll = 1; - u32 bpp, depth; - - mode_cmd.width = sizes->surface_width; - mode_cmd.height = sizes->surface_height; - bpp = sizes->surface_bpp; - - /* No 24bit packed */ - if (bpp == 24) - bpp = 32; - - /* Acceleration via the GTT requires pitch to be 4096 byte aligned - (ie 1024 or 2048 pixels in normal use) */ - mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 4096); - depth = sizes->surface_depth; - - size = mode_cmd.pitches[0] * mode_cmd.height; - size = ALIGN(size, PAGE_SIZE); - - /* Allocate the framebuffer in the GTT with stolen page backing */ - backing = psbfb_alloc(dev, size, 0); - if (backing == NULL) { - /* - * We couldn't get the space we wanted, fall back to the - * display engine requirement instead. The HW requires - * the pitch to be 64 byte aligned - */ - - gtt_roll = 0; /* Don't use GTT accelerated scrolling */ - - mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 64); - depth = sizes->surface_depth; - - size = mode_cmd.pitches[0] * mode_cmd.height; - size = ALIGN(size, PAGE_SIZE); - - /* Allocate the framebuffer in the GTT with stolen page - backing when there is room */ - backing = psbfb_alloc(dev, size, 1); - if (backing == NULL) - return -ENOMEM; - } - - mutex_lock(&dev->struct_mutex); - - info = framebuffer_alloc(0, device); - if (!info) { - ret = -ENOMEM; - goto out_err1; - } - info->par = fbdev; - - mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); - - ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing); - if (ret) - goto out_unref; - - fb = &psbfb->base; - psbfb->fbdev = info; - - fbdev->psb_fb_helper.fb = fb; - fbdev->psb_fb_helper.fbdev = info; - - strcpy(info->fix.id, "psbfb"); - - info->flags = FBINFO_DEFAULT; - if (gtt_roll) { /* GTT rolling seems best */ - info->fbops = &psbfb_roll_ops; - info->flags |= FBINFO_HWACCEL_YPAN; - } - else if (dev_priv->ops->accel_2d) /* 2D engine */ - info->fbops = &psbfb_ops; - else /* Software */ - info->fbops = &psbfb_unaccel_ops; - - ret = fb_alloc_cmap(&info->cmap, 256, 0); - if (ret) { - ret = -ENOMEM; - goto out_unref; - } - - info->fix.smem_start = dev->mode_config.fb_base; - info->fix.smem_len = size; - info->fix.ywrapstep = gtt_roll; - info->fix.ypanstep = gtt_roll; - - if (backing->stolen) { - /* Accessed stolen memory directly */ - info->screen_base = (char *)dev_priv->vram_addr + - backing->offset; - } else { - /* Pin the pages into the GTT and create a mapping to them */ - psb_gtt_pin(backing); - info->screen_base = vm_map_ram(backing->pages, backing->npage, - -1, PAGE_KERNEL); - if (info->screen_base == NULL) { - psb_gtt_unpin(backing); - ret = -ENOMEM; - goto out_unref; - } - psbfb->vm_map = 1; - } - info->screen_size = size; - - if (dev_priv->gtt.stolen_size) { - info->apertures = alloc_apertures(1); - if (!info->apertures) { - ret = -ENOMEM; - goto out_unref; - } - info->apertures->ranges[0].base = dev->mode_config.fb_base; - info->apertures->ranges[0].size = dev_priv->gtt.stolen_size; - } - - drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); - drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper, - sizes->fb_width, sizes->fb_height); - - info->fix.mmio_start = pci_resource_start(dev->pdev, 0); - info->fix.mmio_len = pci_resource_len(dev->pdev, 0); - - info->pixmap.size = 64 * 1024; - info->pixmap.buf_align = 8; - info->pixmap.access_align = 32; - info->pixmap.flags = FB_PIXMAP_SYSTEM; - info->pixmap.scan_align = 1; - - dev_info(dev->dev, "allocated %dx%d fb\n", - psbfb->base.width, psbfb->base.height); - - mutex_unlock(&dev->struct_mutex); - return 0; -out_unref: - if (backing->stolen) - psb_gtt_free_range(dev, backing); - else { - if (psbfb->vm_map) - vm_unmap_ram(info->screen_base, backing->npage); - drm_gem_object_unreference(&backing->gem); - } -out_err1: - mutex_unlock(&dev->struct_mutex); - psb_gtt_free_range(dev, backing); - return ret; -} - -/** - * psb_user_framebuffer_create - create framebuffer - * @dev: our DRM device - * @filp: client file - * @cmd: mode request - * - * Create a new framebuffer backed by a userspace GEM object - */ -static struct drm_framebuffer *psb_user_framebuffer_create - (struct drm_device *dev, struct drm_file *filp, - struct drm_mode_fb_cmd2 *cmd) -{ - struct gtt_range *r; - struct drm_gem_object *obj; - - /* - * Find the GEM object and thus the gtt range object that is - * to back this space - */ - obj = drm_gem_object_lookup(dev, filp, cmd->handles[0]); - if (obj == NULL) - return ERR_PTR(-ENOENT); - - /* Let the core code do all the work */ - r = container_of(obj, struct gtt_range, gem); - return psb_framebuffer_create(dev, cmd, r); -} - -static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, - u16 blue, int regno) -{ -} - -static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red, - u16 *green, u16 *blue, int regno) -{ -} - -static int psbfb_probe(struct drm_fb_helper *helper, - struct drm_fb_helper_surface_size *sizes) -{ - struct psb_fbdev *psb_fbdev = (struct psb_fbdev *)helper; - int new_fb = 0; - int ret; - - if (!helper->fb) { - ret = psbfb_create(psb_fbdev, sizes); - if (ret) - return ret; - new_fb = 1; - } - return new_fb; -} - -struct drm_fb_helper_funcs psb_fb_helper_funcs = { - .gamma_set = psbfb_gamma_set, - .gamma_get = psbfb_gamma_get, - .fb_probe = psbfb_probe, -}; - -int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev) -{ - struct fb_info *info; - struct psb_framebuffer *psbfb = &fbdev->pfb; - - if (fbdev->psb_fb_helper.fbdev) { - info = fbdev->psb_fb_helper.fbdev; - - /* If this is our base framebuffer then kill any virtual map - for the framebuffer layer and unpin it */ - if (psbfb->vm_map) { - vm_unmap_ram(info->screen_base, psbfb->gtt->npage); - psb_gtt_unpin(psbfb->gtt); - } - unregister_framebuffer(info); - if (info->cmap.len) - fb_dealloc_cmap(&info->cmap); - framebuffer_release(info); - } - drm_fb_helper_fini(&fbdev->psb_fb_helper); - drm_framebuffer_cleanup(&psbfb->base); - - if (psbfb->gtt) - drm_gem_object_unreference(&psbfb->gtt->gem); - return 0; -} - -int psb_fbdev_init(struct drm_device *dev) -{ - struct psb_fbdev *fbdev; - struct drm_psb_private *dev_priv = dev->dev_private; - - fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL); - if (!fbdev) { - dev_err(dev->dev, "no memory\n"); - return -ENOMEM; - } - - dev_priv->fbdev = fbdev; - fbdev->psb_fb_helper.funcs = &psb_fb_helper_funcs; - - drm_fb_helper_init(dev, &fbdev->psb_fb_helper, dev_priv->ops->crtcs, - INTELFB_CONN_LIMIT); - - drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper); - drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32); - return 0; -} - -void psb_fbdev_fini(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - if (!dev_priv->fbdev) - return; - - psb_fbdev_destroy(dev, dev_priv->fbdev); - kfree(dev_priv->fbdev); - dev_priv->fbdev = NULL; -} - -static void psbfb_output_poll_changed(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev; - drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper); -} - -/** - * psb_user_framebuffer_create_handle - add hamdle to a framebuffer - * @fb: framebuffer - * @file_priv: our DRM file - * @handle: returned handle - * - * Our framebuffer object is a GTT range which also contains a GEM - * object. We need to turn it into a handle for userspace. GEM will do - * the work for us - */ -static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb, - struct drm_file *file_priv, - unsigned int *handle) -{ - struct psb_framebuffer *psbfb = to_psb_fb(fb); - struct gtt_range *r = psbfb->gtt; - return drm_gem_handle_create(file_priv, &r->gem, handle); -} - -/** - * psb_user_framebuffer_destroy - destruct user created fb - * @fb: framebuffer - * - * User framebuffers are backed by GEM objects so all we have to do is - * clean up a bit and drop the reference, GEM will handle the fallout - */ -static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb) -{ - struct psb_framebuffer *psbfb = to_psb_fb(fb); - struct gtt_range *r = psbfb->gtt; - struct drm_device *dev = fb->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct psb_fbdev *fbdev = dev_priv->fbdev; - struct drm_crtc *crtc; - int reset = 0; - - /* Should never get stolen memory for a user fb */ - WARN_ON(r->stolen); - - /* Check if we are erroneously live */ - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) - if (crtc->fb == fb) - reset = 1; - - if (reset) - /* - * Now force a sane response before we permit the DRM CRTC - * layer to do stupid things like blank the display. Instead - * we reset this framebuffer as if the user had forced a reset. - * We must do this before the cleanup so that the DRM layer - * doesn't get a chance to stick its oar in where it isn't - * wanted. - */ - drm_fb_helper_restore_fbdev_mode(&fbdev->psb_fb_helper); - - /* Let DRM do its clean up */ - drm_framebuffer_cleanup(fb); - /* We are no longer using the resource in GEM */ - drm_gem_object_unreference_unlocked(&r->gem); - kfree(fb); -} - -static const struct drm_mode_config_funcs psb_mode_funcs = { - .fb_create = psb_user_framebuffer_create, - .output_poll_changed = psbfb_output_poll_changed, -}; - -static int psb_create_backlight_property(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct drm_property *backlight; - - if (dev_priv->backlight_property) - return 0; - - backlight = drm_property_create(dev, DRM_MODE_PROP_RANGE, - "backlight", 2); - backlight->values[0] = 0; - backlight->values[1] = 100; - - dev_priv->backlight_property = backlight; - - return 0; -} - -static void psb_setup_outputs(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct drm_connector *connector; - - drm_mode_create_scaling_mode_property(dev); - psb_create_backlight_property(dev); - - dev_priv->ops->output_init(dev); - - list_for_each_entry(connector, &dev->mode_config.connector_list, - head) { - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - struct drm_encoder *encoder = &psb_intel_output->enc; - int crtc_mask = 0, clone_mask = 0; - - /* valid crtcs */ - switch (psb_intel_output->type) { - case INTEL_OUTPUT_ANALOG: - crtc_mask = (1 << 0); - clone_mask = (1 << INTEL_OUTPUT_ANALOG); - break; - case INTEL_OUTPUT_SDVO: - crtc_mask = ((1 << 0) | (1 << 1)); - clone_mask = (1 << INTEL_OUTPUT_SDVO); - break; - case INTEL_OUTPUT_LVDS: - if (IS_MRST(dev)) - crtc_mask = (1 << 0); - else - crtc_mask = (1 << 1); - clone_mask = (1 << INTEL_OUTPUT_LVDS); - break; - case INTEL_OUTPUT_MIPI: - crtc_mask = (1 << 0); - clone_mask = (1 << INTEL_OUTPUT_MIPI); - break; - case INTEL_OUTPUT_MIPI2: - crtc_mask = (1 << 2); - clone_mask = (1 << INTEL_OUTPUT_MIPI2); - break; - case INTEL_OUTPUT_HDMI: - /* HDMI on crtc 1 for SoC devices and crtc 0 for - Cedarview. HDMI on Poulsbo is only via external - logic */ - if (IS_MFLD(dev) || IS_MRST(dev)) - crtc_mask = (1 << 1); - else - crtc_mask = (1 << 0); /* Cedarview */ - clone_mask = (1 << INTEL_OUTPUT_HDMI); - break; - } - encoder->possible_crtcs = crtc_mask; - encoder->possible_clones = - psb_intel_connector_clones(dev, clone_mask); - } -} - -void psb_modeset_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = - (struct drm_psb_private *) dev->dev_private; - struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev; - int i; - - drm_mode_config_init(dev); - - dev->mode_config.min_width = 0; - dev->mode_config.min_height = 0; - - dev->mode_config.funcs = (void *) &psb_mode_funcs; - - /* set memory base */ - /* MRST and PSB should use BAR 2*/ - pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *) - &(dev->mode_config.fb_base)); - - /* num pipes is 2 for PSB but 1 for Mrst */ - for (i = 0; i < dev_priv->num_pipe; i++) - psb_intel_crtc_init(dev, i, mode_dev); - - dev->mode_config.max_width = 2048; - dev->mode_config.max_height = 2048; - - psb_setup_outputs(dev); -} - -void psb_modeset_cleanup(struct drm_device *dev) -{ - mutex_lock(&dev->struct_mutex); - - drm_kms_helper_poll_fini(dev); - psb_fbdev_fini(dev); - drm_mode_config_cleanup(dev); - - mutex_unlock(&dev->struct_mutex); -} diff --git a/drivers/staging/gma500/framebuffer.h b/drivers/staging/gma500/framebuffer.h deleted file mode 100644 index d1b2289447f0b0..00000000000000 --- a/drivers/staging/gma500/framebuffer.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * Copyright (c) 2008-2011, Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: - * Eric Anholt <eric@anholt.net> - * - */ - -#ifndef _FRAMEBUFFER_H_ -#define _FRAMEBUFFER_H_ - -#include <drm/drmP.h> -#include <drm/drm_fb_helper.h> - -#include "psb_drv.h" - -struct psb_framebuffer { - struct drm_framebuffer base; - struct address_space *addr_space; - struct fb_info *fbdev; - struct gtt_range *gtt; - bool vm_map; /* True if we must undo a vm_map_ram */ -}; - -struct psb_fbdev { - struct drm_fb_helper psb_fb_helper; - struct psb_framebuffer pfb; -}; - -#define to_psb_fb(x) container_of(x, struct psb_framebuffer, base) - -extern int psb_intel_connector_clones(struct drm_device *dev, int type_mask); - -#endif - diff --git a/drivers/staging/gma500/gem.c b/drivers/staging/gma500/gem.c deleted file mode 100644 index f6433c037d2495..00000000000000 --- a/drivers/staging/gma500/gem.c +++ /dev/null @@ -1,292 +0,0 @@ -/* - * psb GEM interface - * - * Copyright (c) 2011, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: Alan Cox - * - * TODO: - * - we need to work out if the MMU is relevant (eg for - * accelerated operations on a GEM object) - */ - -#include <drm/drmP.h> -#include <drm/drm.h> -#include "psb_drm.h" -#include "psb_drv.h" - -int psb_gem_init_object(struct drm_gem_object *obj) -{ - return -EINVAL; -} - -void psb_gem_free_object(struct drm_gem_object *obj) -{ - struct gtt_range *gtt = container_of(obj, struct gtt_range, gem); - drm_gem_object_release_wrap(obj); - /* This must occur last as it frees up the memory of the GEM object */ - psb_gtt_free_range(obj->dev, gtt); -} - -int psb_gem_get_aperture(struct drm_device *dev, void *data, - struct drm_file *file) -{ - return -EINVAL; -} - -/** - * psb_gem_dumb_map_gtt - buffer mapping for dumb interface - * @file: our drm client file - * @dev: drm device - * @handle: GEM handle to the object (from dumb_create) - * - * Do the necessary setup to allow the mapping of the frame buffer - * into user memory. We don't have to do much here at the moment. - */ -int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev, - uint32_t handle, uint64_t *offset) -{ - int ret = 0; - struct drm_gem_object *obj; - - if (!(dev->driver->driver_features & DRIVER_GEM)) - return -ENODEV; - - mutex_lock(&dev->struct_mutex); - - /* GEM does all our handle to object mapping */ - obj = drm_gem_object_lookup(dev, file, handle); - if (obj == NULL) { - ret = -ENOENT; - goto unlock; - } - /* What validation is needed here ? */ - - /* Make it mmapable */ - if (!obj->map_list.map) { - ret = gem_create_mmap_offset(obj); - if (ret) - goto out; - } - /* GEM should really work out the hash offsets for us */ - *offset = (u64)obj->map_list.hash.key << PAGE_SHIFT; -out: - drm_gem_object_unreference(obj); -unlock: - mutex_unlock(&dev->struct_mutex); - return ret; -} - -/** - * psb_gem_create - create a mappable object - * @file: the DRM file of the client - * @dev: our device - * @size: the size requested - * @handlep: returned handle (opaque number) - * - * Create a GEM object, fill in the boilerplate and attach a handle to - * it so that userspace can speak about it. This does the core work - * for the various methods that do/will create GEM objects for things - */ -static int psb_gem_create(struct drm_file *file, - struct drm_device *dev, uint64_t size, uint32_t *handlep) -{ - struct gtt_range *r; - int ret; - u32 handle; - - size = roundup(size, PAGE_SIZE); - - /* Allocate our object - for now a direct gtt range which is not - stolen memory backed */ - r = psb_gtt_alloc_range(dev, size, "gem", 0); - if (r == NULL) { - dev_err(dev->dev, "no memory for %lld byte GEM object\n", size); - return -ENOSPC; - } - /* Initialize the extra goodies GEM needs to do all the hard work */ - if (drm_gem_object_init(dev, &r->gem, size) != 0) { - psb_gtt_free_range(dev, r); - /* GEM doesn't give an error code so use -ENOMEM */ - dev_err(dev->dev, "GEM init failed for %lld\n", size); - return -ENOMEM; - } - /* Give the object a handle so we can carry it more easily */ - ret = drm_gem_handle_create(file, &r->gem, &handle); - if (ret) { - dev_err(dev->dev, "GEM handle failed for %p, %lld\n", - &r->gem, size); - drm_gem_object_release(&r->gem); - psb_gtt_free_range(dev, r); - return ret; - } - /* We have the initial and handle reference but need only one now */ - drm_gem_object_unreference(&r->gem); - *handlep = handle; - return 0; -} - -/** - * psb_gem_dumb_create - create a dumb buffer - * @drm_file: our client file - * @dev: our device - * @args: the requested arguments copied from userspace - * - * Allocate a buffer suitable for use for a frame buffer of the - * form described by user space. Give userspace a handle by which - * to reference it. - */ -int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev, - struct drm_mode_create_dumb *args) -{ - args->pitch = ALIGN(args->width * ((args->bpp + 7) / 8), 64); - args->size = args->pitch * args->height; - return psb_gem_create(file, dev, args->size, &args->handle); -} - -/** - * psb_gem_dumb_destroy - destroy a dumb buffer - * @file: client file - * @dev: our DRM device - * @handle: the object handle - * - * Destroy a handle that was created via psb_gem_dumb_create, at least - * we hope it was created that way. i915 seems to assume the caller - * does the checking but that might be worth review ! FIXME - */ -int psb_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev, - uint32_t handle) -{ - /* No special work needed, drop the reference and see what falls out */ - return drm_gem_handle_delete(file, handle); -} - -/** - * psb_gem_fault - pagefault handler for GEM objects - * @vma: the VMA of the GEM object - * @vmf: fault detail - * - * Invoked when a fault occurs on an mmap of a GEM managed area. GEM - * does most of the work for us including the actual map/unmap calls - * but we need to do the actual page work. - * - * This code eventually needs to handle faulting objects in and out - * of the GTT and repacking it when we run out of space. We can put - * that off for now and for our simple uses - * - * The VMA was set up by GEM. In doing so it also ensured that the - * vma->vm_private_data points to the GEM object that is backing this - * mapping. - */ -int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -{ - struct drm_gem_object *obj; - struct gtt_range *r; - int ret; - unsigned long pfn; - pgoff_t page_offset; - struct drm_device *dev; - struct drm_psb_private *dev_priv; - - obj = vma->vm_private_data; /* GEM object */ - dev = obj->dev; - dev_priv = dev->dev_private; - - r = container_of(obj, struct gtt_range, gem); /* Get the gtt range */ - - /* Make sure we don't parallel update on a fault, nor move or remove - something from beneath our feet */ - mutex_lock(&dev->struct_mutex); - - /* For now the mmap pins the object and it stays pinned. As things - stand that will do us no harm */ - if (r->mmapping == 0) { - ret = psb_gtt_pin(r); - if (ret < 0) { - dev_err(dev->dev, "gma500: pin failed: %d\n", ret); - goto fail; - } - r->mmapping = 1; - } - - /* Page relative to the VMA start - we must calculate this ourselves - because vmf->pgoff is the fake GEM offset */ - page_offset = ((unsigned long) vmf->virtual_address - vma->vm_start) - >> PAGE_SHIFT; - - /* CPU view of the page, don't go via the GART for CPU writes */ - if (r->stolen) - pfn = (dev_priv->stolen_base + r->offset) >> PAGE_SHIFT; - else - pfn = page_to_pfn(r->pages[page_offset]); - ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn); - -fail: - mutex_unlock(&dev->struct_mutex); - switch (ret) { - case 0: - case -ERESTARTSYS: - case -EINTR: - return VM_FAULT_NOPAGE; - case -ENOMEM: - return VM_FAULT_OOM; - default: - return VM_FAULT_SIGBUS; - } -} - -static int psb_gem_create_stolen(struct drm_file *file, struct drm_device *dev, - int size, u32 *handle) -{ - struct gtt_range *gtt = psb_gtt_alloc_range(dev, size, "gem", 1); - if (gtt == NULL) - return -ENOMEM; - if (drm_gem_private_object_init(dev, >t->gem, size) != 0) - goto free_gtt; - if (drm_gem_handle_create(file, >t->gem, handle) == 0) - return 0; -free_gtt: - psb_gtt_free_range(dev, gtt); - return -ENOMEM; -} - -/* - * GEM interfaces for our specific client - */ -int psb_gem_create_ioctl(struct drm_device *dev, void *data, - struct drm_file *file) -{ - struct drm_psb_gem_create *args = data; - int ret; - if (args->flags & PSB_GEM_CREATE_STOLEN) { - ret = psb_gem_create_stolen(file, dev, args->size, - &args->handle); - if (ret == 0) - return 0; - /* Fall throguh */ - args->flags &= ~PSB_GEM_CREATE_STOLEN; - } - return psb_gem_create(file, dev, args->size, &args->handle); -} - -int psb_gem_mmap_ioctl(struct drm_device *dev, void *data, - struct drm_file *file) -{ - struct drm_psb_gem_mmap *args = data; - return dev->driver->dumb_map_offset(file, dev, - args->handle, &args->offset); -} - diff --git a/drivers/staging/gma500/gem_glue.c b/drivers/staging/gma500/gem_glue.c deleted file mode 100644 index daac121206535c..00000000000000 --- a/drivers/staging/gma500/gem_glue.c +++ /dev/null @@ -1,89 +0,0 @@ -/************************************************************************** - * Copyright (c) 2011, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - **************************************************************************/ - -#include <drm/drmP.h> -#include <drm/drm.h> - -void drm_gem_object_release_wrap(struct drm_gem_object *obj) -{ - /* Remove the list map if one is present */ - if (obj->map_list.map) { - struct drm_gem_mm *mm = obj->dev->mm_private; - struct drm_map_list *list = &obj->map_list; - drm_ht_remove_item(&mm->offset_hash, &list->hash); - drm_mm_put_block(list->file_offset_node); - kfree(list->map); - list->map = NULL; - } - drm_gem_object_release(obj); -} - -/** - * gem_create_mmap_offset - invent an mmap offset - * @obj: our object - * - * Standard implementation of offset generation for mmap as is - * duplicated in several drivers. This belongs in GEM. - */ -int gem_create_mmap_offset(struct drm_gem_object *obj) -{ - struct drm_device *dev = obj->dev; - struct drm_gem_mm *mm = dev->mm_private; - struct drm_map_list *list; - struct drm_local_map *map; - int ret; - - list = &obj->map_list; - list->map = kzalloc(sizeof(struct drm_map_list), GFP_KERNEL); - if (list->map == NULL) - return -ENOMEM; - map = list->map; - map->type = _DRM_GEM; - map->size = obj->size; - map->handle = obj; - - list->file_offset_node = drm_mm_search_free(&mm->offset_manager, - obj->size / PAGE_SIZE, 0, 0); - if (!list->file_offset_node) { - dev_err(dev->dev, "failed to allocate offset for bo %d\n", - obj->name); - ret = -ENOSPC; - goto free_it; - } - list->file_offset_node = drm_mm_get_block(list->file_offset_node, - obj->size / PAGE_SIZE, 0); - if (!list->file_offset_node) { - ret = -ENOMEM; - goto free_it; - } - list->hash.key = list->file_offset_node->start; - ret = drm_ht_insert_item(&mm->offset_hash, &list->hash); - if (ret) { - dev_err(dev->dev, "failed to add to map hash\n"); - goto free_mm; - } - return 0; - -free_mm: - drm_mm_put_block(list->file_offset_node); -free_it: - kfree(list->map); - list->map = NULL; - return ret; -} diff --git a/drivers/staging/gma500/gem_glue.h b/drivers/staging/gma500/gem_glue.h deleted file mode 100644 index ce5ce30f74dbff..00000000000000 --- a/drivers/staging/gma500/gem_glue.h +++ /dev/null @@ -1,2 +0,0 @@ -extern void drm_gem_object_release_wrap(struct drm_gem_object *obj); -extern int gem_create_mmap_offset(struct drm_gem_object *obj); diff --git a/drivers/staging/gma500/gtt.c b/drivers/staging/gma500/gtt.c deleted file mode 100644 index e770bd190a5c8a..00000000000000 --- a/drivers/staging/gma500/gtt.c +++ /dev/null @@ -1,553 +0,0 @@ -/* - * Copyright (c) 2007, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com> - * Alan Cox <alan@linux.intel.com> - */ - -#include <drm/drmP.h> -#include "psb_drv.h" - - -/* - * GTT resource allocator - manage page mappings in GTT space - */ - -/** - * psb_gtt_mask_pte - generate GTT pte entry - * @pfn: page number to encode - * @type: type of memory in the GTT - * - * Set the GTT entry for the appropriate memory type. - */ -static inline uint32_t psb_gtt_mask_pte(uint32_t pfn, int type) -{ - uint32_t mask = PSB_PTE_VALID; - - if (type & PSB_MMU_CACHED_MEMORY) - mask |= PSB_PTE_CACHED; - if (type & PSB_MMU_RO_MEMORY) - mask |= PSB_PTE_RO; - if (type & PSB_MMU_WO_MEMORY) - mask |= PSB_PTE_WO; - - return (pfn << PAGE_SHIFT) | mask; -} - -/** - * psb_gtt_entry - find the GTT entries for a gtt_range - * @dev: our DRM device - * @r: our GTT range - * - * Given a gtt_range object return the GTT offset of the page table - * entries for this gtt_range - */ -u32 *psb_gtt_entry(struct drm_device *dev, struct gtt_range *r) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - unsigned long offset; - - offset = r->resource.start - dev_priv->gtt_mem->start; - - return dev_priv->gtt_map + (offset >> PAGE_SHIFT); -} - -/** - * psb_gtt_insert - put an object into the GTT - * @dev: our DRM device - * @r: our GTT range - * - * Take our preallocated GTT range and insert the GEM object into - * the GTT. This is protected via the gtt mutex which the caller - * must hold. - */ -static int psb_gtt_insert(struct drm_device *dev, struct gtt_range *r) -{ - u32 *gtt_slot, pte; - struct page **pages; - int i; - - if (r->pages == NULL) { - WARN_ON(1); - return -EINVAL; - } - - WARN_ON(r->stolen); /* refcount these maybe ? */ - - gtt_slot = psb_gtt_entry(dev, r); - pages = r->pages; - - /* Make sure changes are visible to the GPU */ - set_pages_array_uc(pages, r->npage); - - /* Write our page entries into the GTT itself */ - for (i = r->roll; i < r->npage; i++) { - pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0); - iowrite32(pte, gtt_slot++); - } - for (i = 0; i < r->roll; i++) { - pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0); - iowrite32(pte, gtt_slot++); - } - /* Make sure all the entries are set before we return */ - ioread32(gtt_slot - 1); - - return 0; -} - -/** - * psb_gtt_remove - remove an object from the GTT - * @dev: our DRM device - * @r: our GTT range - * - * Remove a preallocated GTT range from the GTT. Overwrite all the - * page table entries with the dummy page. This is protected via the gtt - * mutex which the caller must hold. - */ -static void psb_gtt_remove(struct drm_device *dev, struct gtt_range *r) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - u32 *gtt_slot, pte; - int i; - - WARN_ON(r->stolen); - - gtt_slot = psb_gtt_entry(dev, r); - pte = psb_gtt_mask_pte(page_to_pfn(dev_priv->scratch_page), 0); - - for (i = 0; i < r->npage; i++) - iowrite32(pte, gtt_slot++); - ioread32(gtt_slot - 1); - set_pages_array_wb(r->pages, r->npage); -} - -/** - * psb_gtt_roll - set scrolling position - * @dev: our DRM device - * @r: the gtt mapping we are using - * @roll: roll offset - * - * Roll an existing pinned mapping by moving the pages through the GTT. - * This allows us to implement hardware scrolling on the consoles without - * a 2D engine - */ -void psb_gtt_roll(struct drm_device *dev, struct gtt_range *r, int roll) -{ - u32 *gtt_slot, pte; - int i; - - if (roll >= r->npage) { - WARN_ON(1); - return; - } - - r->roll = roll; - - /* Not currently in the GTT - no worry we will write the mapping at - the right position when it gets pinned */ - if (!r->stolen && !r->in_gart) - return; - - gtt_slot = psb_gtt_entry(dev, r); - - for (i = r->roll; i < r->npage; i++) { - pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0); - iowrite32(pte, gtt_slot++); - } - for (i = 0; i < r->roll; i++) { - pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0); - iowrite32(pte, gtt_slot++); - } - ioread32(gtt_slot - 1); -} - -/** - * psb_gtt_attach_pages - attach and pin GEM pages - * @gt: the gtt range - * - * Pin and build an in kernel list of the pages that back our GEM object. - * While we hold this the pages cannot be swapped out. This is protected - * via the gtt mutex which the caller must hold. - */ -static int psb_gtt_attach_pages(struct gtt_range *gt) -{ - struct inode *inode; - struct address_space *mapping; - int i; - struct page *p; - int pages = gt->gem.size / PAGE_SIZE; - - WARN_ON(gt->pages); - - /* This is the shared memory object that backs the GEM resource */ - inode = gt->gem.filp->f_path.dentry->d_inode; - mapping = inode->i_mapping; - - gt->pages = kmalloc(pages * sizeof(struct page *), GFP_KERNEL); - if (gt->pages == NULL) - return -ENOMEM; - gt->npage = pages; - - for (i = 0; i < pages; i++) { - /* FIXME: needs updating as per mail from Hugh Dickins */ - p = read_cache_page_gfp(mapping, i, - __GFP_COLD | GFP_KERNEL); - if (IS_ERR(p)) - goto err; - gt->pages[i] = p; - } - return 0; - -err: - while (i--) - page_cache_release(gt->pages[i]); - kfree(gt->pages); - gt->pages = NULL; - return PTR_ERR(p); -} - -/** - * psb_gtt_detach_pages - attach and pin GEM pages - * @gt: the gtt range - * - * Undo the effect of psb_gtt_attach_pages. At this point the pages - * must have been removed from the GTT as they could now be paged out - * and move bus address. This is protected via the gtt mutex which the - * caller must hold. - */ -static void psb_gtt_detach_pages(struct gtt_range *gt) -{ - int i; - for (i = 0; i < gt->npage; i++) { - /* FIXME: do we need to force dirty */ - set_page_dirty(gt->pages[i]); - page_cache_release(gt->pages[i]); - } - kfree(gt->pages); - gt->pages = NULL; -} - -/** - * psb_gtt_pin - pin pages into the GTT - * @gt: range to pin - * - * Pin a set of pages into the GTT. The pins are refcounted so that - * multiple pins need multiple unpins to undo. - * - * Non GEM backed objects treat this as a no-op as they are always GTT - * backed objects. - */ -int psb_gtt_pin(struct gtt_range *gt) -{ - int ret = 0; - struct drm_device *dev = gt->gem.dev; - struct drm_psb_private *dev_priv = dev->dev_private; - - mutex_lock(&dev_priv->gtt_mutex); - - if (gt->in_gart == 0 && gt->stolen == 0) { - ret = psb_gtt_attach_pages(gt); - if (ret < 0) - goto out; - ret = psb_gtt_insert(dev, gt); - if (ret < 0) { - psb_gtt_detach_pages(gt); - goto out; - } - } - gt->in_gart++; -out: - mutex_unlock(&dev_priv->gtt_mutex); - return ret; -} - -/** - * psb_gtt_unpin - Drop a GTT pin requirement - * @gt: range to pin - * - * Undoes the effect of psb_gtt_pin. On the last drop the GEM object - * will be removed from the GTT which will also drop the page references - * and allow the VM to clean up or page stuff. - * - * Non GEM backed objects treat this as a no-op as they are always GTT - * backed objects. - */ -void psb_gtt_unpin(struct gtt_range *gt) -{ - struct drm_device *dev = gt->gem.dev; - struct drm_psb_private *dev_priv = dev->dev_private; - - mutex_lock(&dev_priv->gtt_mutex); - - WARN_ON(!gt->in_gart); - - gt->in_gart--; - if (gt->in_gart == 0 && gt->stolen == 0) { - psb_gtt_remove(dev, gt); - psb_gtt_detach_pages(gt); - } - mutex_unlock(&dev_priv->gtt_mutex); -} - -/* - * GTT resource allocator - allocate and manage GTT address space - */ - -/** - * psb_gtt_alloc_range - allocate GTT address space - * @dev: Our DRM device - * @len: length (bytes) of address space required - * @name: resource name - * @backed: resource should be backed by stolen pages - * - * Ask the kernel core to find us a suitable range of addresses - * to use for a GTT mapping. - * - * Returns a gtt_range structure describing the object, or NULL on - * error. On successful return the resource is both allocated and marked - * as in use. - */ -struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len, - const char *name, int backed) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct gtt_range *gt; - struct resource *r = dev_priv->gtt_mem; - int ret; - unsigned long start, end; - - if (backed) { - /* The start of the GTT is the stolen pages */ - start = r->start; - end = r->start + dev_priv->gtt.stolen_size - 1; - } else { - /* The rest we will use for GEM backed objects */ - start = r->start + dev_priv->gtt.stolen_size; - end = r->end; - } - - gt = kzalloc(sizeof(struct gtt_range), GFP_KERNEL); - if (gt == NULL) - return NULL; - gt->resource.name = name; - gt->stolen = backed; - gt->in_gart = backed; - gt->roll = 0; - /* Ensure this is set for non GEM objects */ - gt->gem.dev = dev; - ret = allocate_resource(dev_priv->gtt_mem, >->resource, - len, start, end, PAGE_SIZE, NULL, NULL); - if (ret == 0) { - gt->offset = gt->resource.start - r->start; - return gt; - } - kfree(gt); - return NULL; -} - -/** - * psb_gtt_free_range - release GTT address space - * @dev: our DRM device - * @gt: a mapping created with psb_gtt_alloc_range - * - * Release a resource that was allocated with psb_gtt_alloc_range. If the - * object has been pinned by mmap users we clean this up here currently. - */ -void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt) -{ - /* Undo the mmap pin if we are destroying the object */ - if (gt->mmapping) { - psb_gtt_unpin(gt); - gt->mmapping = 0; - } - WARN_ON(gt->in_gart && !gt->stolen); - release_resource(>->resource); - kfree(gt); -} - -void psb_gtt_alloc(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - init_rwsem(&dev_priv->gtt.sem); -} - -void psb_gtt_takedown(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - if (dev_priv->gtt_map) { - iounmap(dev_priv->gtt_map); - dev_priv->gtt_map = NULL; - } - if (dev_priv->gtt_initialized) { - pci_write_config_word(dev->pdev, PSB_GMCH_CTRL, - dev_priv->gmch_ctrl); - PSB_WVDC32(dev_priv->pge_ctl, PSB_PGETBL_CTL); - (void) PSB_RVDC32(PSB_PGETBL_CTL); - } - if (dev_priv->vram_addr) - iounmap(dev_priv->gtt_map); -} - -int psb_gtt_init(struct drm_device *dev, int resume) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - unsigned gtt_pages; - unsigned long stolen_size, vram_stolen_size; - unsigned i, num_pages; - unsigned pfn_base; - uint32_t vram_pages; - uint32_t dvmt_mode = 0; - struct psb_gtt *pg; - - int ret = 0; - uint32_t pte; - - mutex_init(&dev_priv->gtt_mutex); - - psb_gtt_alloc(dev); - pg = &dev_priv->gtt; - - /* Enable the GTT */ - pci_read_config_word(dev->pdev, PSB_GMCH_CTRL, &dev_priv->gmch_ctrl); - pci_write_config_word(dev->pdev, PSB_GMCH_CTRL, - dev_priv->gmch_ctrl | _PSB_GMCH_ENABLED); - - dev_priv->pge_ctl = PSB_RVDC32(PSB_PGETBL_CTL); - PSB_WVDC32(dev_priv->pge_ctl | _PSB_PGETBL_ENABLED, PSB_PGETBL_CTL); - (void) PSB_RVDC32(PSB_PGETBL_CTL); - - /* The root resource we allocate address space from */ - dev_priv->gtt_initialized = 1; - - pg->gtt_phys_start = dev_priv->pge_ctl & PAGE_MASK; - - /* - * The video mmu has a hw bug when accessing 0x0D0000000. - * Make gatt start at 0x0e000,0000. This doesn't actually - * matter for us but may do if the video acceleration ever - * gets opened up. - */ - pg->mmu_gatt_start = 0xE0000000; - - pg->gtt_start = pci_resource_start(dev->pdev, PSB_GTT_RESOURCE); - gtt_pages = pci_resource_len(dev->pdev, PSB_GTT_RESOURCE) - >> PAGE_SHIFT; - /* Some CDV firmware doesn't report this currently. In which case the - system has 64 gtt pages */ - if (pg->gtt_start == 0 || gtt_pages == 0) { - dev_err(dev->dev, "GTT PCI BAR not initialized.\n"); - gtt_pages = 64; - pg->gtt_start = dev_priv->pge_ctl; - } - - pg->gatt_start = pci_resource_start(dev->pdev, PSB_GATT_RESOURCE); - pg->gatt_pages = pci_resource_len(dev->pdev, PSB_GATT_RESOURCE) - >> PAGE_SHIFT; - dev_priv->gtt_mem = &dev->pdev->resource[PSB_GATT_RESOURCE]; - - if (pg->gatt_pages == 0 || pg->gatt_start == 0) { - static struct resource fudge; /* Preferably peppermint */ - /* This can occur on CDV SDV systems. Fudge it in this case. - We really don't care what imaginary space is being allocated - at this point */ - dev_err(dev->dev, "GATT PCI BAR not initialized.\n"); - pg->gatt_start = 0x40000000; - pg->gatt_pages = (128 * 1024 * 1024) >> PAGE_SHIFT; - /* This is a little confusing but in fact the GTT is providing - a view from the GPU into memory and not vice versa. As such - this is really allocating space that is not the same as the - CPU address space on CDV */ - fudge.start = 0x40000000; - fudge.end = 0x40000000 + 128 * 1024 * 1024 - 1; - fudge.name = "fudge"; - fudge.flags = IORESOURCE_MEM; - dev_priv->gtt_mem = &fudge; - } - - pci_read_config_dword(dev->pdev, PSB_BSM, &dev_priv->stolen_base); - vram_stolen_size = pg->gtt_phys_start - dev_priv->stolen_base - - PAGE_SIZE; - - stolen_size = vram_stolen_size; - - printk(KERN_INFO "Stolen memory information\n"); - printk(KERN_INFO " base in RAM: 0x%x\n", dev_priv->stolen_base); - printk(KERN_INFO " size: %luK, calculated by (GTT RAM base) - (Stolen base), seems wrong\n", - vram_stolen_size/1024); - dvmt_mode = (dev_priv->gmch_ctrl >> 4) & 0x7; - printk(KERN_INFO " the correct size should be: %dM(dvmt mode=%d)\n", - (dvmt_mode == 1) ? 1 : (2 << (dvmt_mode - 1)), dvmt_mode); - - if (resume && (gtt_pages != pg->gtt_pages) && - (stolen_size != pg->stolen_size)) { - dev_err(dev->dev, "GTT resume error.\n"); - ret = -EINVAL; - goto out_err; - } - - pg->gtt_pages = gtt_pages; - pg->stolen_size = stolen_size; - dev_priv->vram_stolen_size = vram_stolen_size; - - /* - * Map the GTT and the stolen memory area - */ - dev_priv->gtt_map = ioremap_nocache(pg->gtt_phys_start, - gtt_pages << PAGE_SHIFT); - if (!dev_priv->gtt_map) { - dev_err(dev->dev, "Failure to map gtt.\n"); - ret = -ENOMEM; - goto out_err; - } - - dev_priv->vram_addr = ioremap_wc(dev_priv->stolen_base, stolen_size); - if (!dev_priv->vram_addr) { - dev_err(dev->dev, "Failure to map stolen base.\n"); - ret = -ENOMEM; - goto out_err; - } - - /* - * Insert vram stolen pages into the GTT - */ - - pfn_base = dev_priv->stolen_base >> PAGE_SHIFT; - vram_pages = num_pages = vram_stolen_size >> PAGE_SHIFT; - printk(KERN_INFO"Set up %d stolen pages starting at 0x%08x, GTT offset %dK\n", - num_pages, pfn_base << PAGE_SHIFT, 0); - for (i = 0; i < num_pages; ++i) { - pte = psb_gtt_mask_pte(pfn_base + i, 0); - iowrite32(pte, dev_priv->gtt_map + i); - } - - /* - * Init rest of GTT to the scratch page to avoid accidents or scribbles - */ - - pfn_base = page_to_pfn(dev_priv->scratch_page); - pte = psb_gtt_mask_pte(pfn_base, 0); - for (; i < gtt_pages; ++i) - iowrite32(pte, dev_priv->gtt_map + i); - - (void) ioread32(dev_priv->gtt_map + i - 1); - return 0; - -out_err: - psb_gtt_takedown(dev); - return ret; -} diff --git a/drivers/staging/gma500/gtt.h b/drivers/staging/gma500/gtt.h deleted file mode 100644 index aa1742387f5a6e..00000000000000 --- a/drivers/staging/gma500/gtt.h +++ /dev/null @@ -1,64 +0,0 @@ -/************************************************************************** - * Copyright (c) 2007-2008, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - **************************************************************************/ - -#ifndef _PSB_GTT_H_ -#define _PSB_GTT_H_ - -#include <drm/drmP.h> - -/* This wants cleaning up with respect to the psb_dev and un-needed stuff */ -struct psb_gtt { - uint32_t gatt_start; - uint32_t mmu_gatt_start; - uint32_t gtt_start; - uint32_t gtt_phys_start; - unsigned gtt_pages; - unsigned gatt_pages; - unsigned long stolen_size; - unsigned long vram_stolen_size; - struct rw_semaphore sem; -}; - -/* Exported functions */ -extern int psb_gtt_init(struct drm_device *dev, int resume); -extern void psb_gtt_takedown(struct drm_device *dev); - -/* Each gtt_range describes an allocation in the GTT area */ -struct gtt_range { - struct resource resource; /* Resource for our allocation */ - u32 offset; /* GTT offset of our object */ - struct drm_gem_object gem; /* GEM high level stuff */ - int in_gart; /* Currently in the GART (ref ct) */ - bool stolen; /* Backed from stolen RAM */ - bool mmapping; /* Is mmappable */ - struct page **pages; /* Backing pages if present */ - int npage; /* Number of backing pages */ - int roll; /* Roll applied to the GTT entries */ -}; - -extern struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len, - const char *name, int backed); -extern void psb_gtt_kref_put(struct gtt_range *gt); -extern void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt); -extern int psb_gtt_pin(struct gtt_range *gt); -extern void psb_gtt_unpin(struct gtt_range *gt); -extern void psb_gtt_roll(struct drm_device *dev, - struct gtt_range *gt, int roll); - -#endif diff --git a/drivers/staging/gma500/intel_bios.c b/drivers/staging/gma500/intel_bios.c deleted file mode 100644 index 096757f9bc8947..00000000000000 --- a/drivers/staging/gma500/intel_bios.c +++ /dev/null @@ -1,303 +0,0 @@ -/* - * Copyright (c) 2006 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: - * Eric Anholt <eric@anholt.net> - * - */ -#include <drm/drmP.h> -#include <drm/drm.h> -#include "psb_drm.h" -#include "psb_drv.h" -#include "psb_intel_drv.h" -#include "psb_intel_reg.h" -#include "intel_bios.h" - - -static void *find_section(struct bdb_header *bdb, int section_id) -{ - u8 *base = (u8 *)bdb; - int index = 0; - u16 total, current_size; - u8 current_id; - - /* skip to first section */ - index += bdb->header_size; - total = bdb->bdb_size; - - /* walk the sections looking for section_id */ - while (index < total) { - current_id = *(base + index); - index++; - current_size = *((u16 *)(base + index)); - index += 2; - if (current_id == section_id) - return base + index; - index += current_size; - } - - return NULL; -} - -static void fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode, - struct lvds_dvo_timing *dvo_timing) -{ - panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) | - dvo_timing->hactive_lo; - panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay + - ((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo); - panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start + - dvo_timing->hsync_pulse_width; - panel_fixed_mode->htotal = panel_fixed_mode->hdisplay + - ((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo); - - panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) | - dvo_timing->vactive_lo; - panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay + - dvo_timing->vsync_off; - panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start + - dvo_timing->vsync_pulse_width; - panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay + - ((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo); - panel_fixed_mode->clock = dvo_timing->clock * 10; - panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED; - - /* Some VBTs have bogus h/vtotal values */ - if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal) - panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1; - if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal) - panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1; - - drm_mode_set_name(panel_fixed_mode); -} - -static void parse_backlight_data(struct drm_psb_private *dev_priv, - struct bdb_header *bdb) -{ - struct bdb_lvds_backlight *vbt_lvds_bl = NULL; - struct bdb_lvds_backlight *lvds_bl; - u8 p_type = 0; - void *bl_start = NULL; - struct bdb_lvds_options *lvds_opts - = find_section(bdb, BDB_LVDS_OPTIONS); - - dev_priv->lvds_bl = NULL; - - if (lvds_opts) - p_type = lvds_opts->panel_type; - else - return; - - bl_start = find_section(bdb, BDB_LVDS_BACKLIGHT); - vbt_lvds_bl = (struct bdb_lvds_backlight *)(bl_start + 1) + p_type; - - lvds_bl = kzalloc(sizeof(*vbt_lvds_bl), GFP_KERNEL); - if (!lvds_bl) { - dev_err(dev_priv->dev->dev, "out of memory for backlight data\n"); - return; - } - memcpy(lvds_bl, vbt_lvds_bl, sizeof(*vbt_lvds_bl)); - dev_priv->lvds_bl = lvds_bl; -} - -/* Try to find integrated panel data */ -static void parse_lfp_panel_data(struct drm_psb_private *dev_priv, - struct bdb_header *bdb) -{ - struct bdb_lvds_options *lvds_options; - struct bdb_lvds_lfp_data *lvds_lfp_data; - struct bdb_lvds_lfp_data_entry *entry; - struct lvds_dvo_timing *dvo_timing; - struct drm_display_mode *panel_fixed_mode; - - /* Defaults if we can't find VBT info */ - dev_priv->lvds_dither = 0; - dev_priv->lvds_vbt = 0; - - lvds_options = find_section(bdb, BDB_LVDS_OPTIONS); - if (!lvds_options) - return; - - dev_priv->lvds_dither = lvds_options->pixel_dither; - if (lvds_options->panel_type == 0xff) - return; - - lvds_lfp_data = find_section(bdb, BDB_LVDS_LFP_DATA); - if (!lvds_lfp_data) - return; - - - entry = &lvds_lfp_data->data[lvds_options->panel_type]; - dvo_timing = &entry->dvo_timing; - - panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), - GFP_KERNEL); - if (panel_fixed_mode == NULL) { - dev_err(dev_priv->dev->dev, "out of memory for fixed panel mode\n"); - return; - } - - dev_priv->lvds_vbt = 1; - fill_detail_timing_data(panel_fixed_mode, dvo_timing); - - if (panel_fixed_mode->htotal > 0 && panel_fixed_mode->vtotal > 0) { - dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode; - drm_mode_debug_printmodeline(panel_fixed_mode); - } else { - dev_dbg(dev_priv->dev->dev, "ignoring invalid LVDS VBT\n"); - dev_priv->lvds_vbt = 0; - kfree(panel_fixed_mode); - } - return; -} - -/* Try to find sdvo panel data */ -static void parse_sdvo_panel_data(struct drm_psb_private *dev_priv, - struct bdb_header *bdb) -{ - struct bdb_sdvo_lvds_options *sdvo_lvds_options; - struct lvds_dvo_timing *dvo_timing; - struct drm_display_mode *panel_fixed_mode; - - dev_priv->sdvo_lvds_vbt_mode = NULL; - - sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS); - if (!sdvo_lvds_options) - return; - - dvo_timing = find_section(bdb, BDB_SDVO_PANEL_DTDS); - if (!dvo_timing) - return; - - panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), GFP_KERNEL); - - if (!panel_fixed_mode) - return; - - fill_detail_timing_data(panel_fixed_mode, - dvo_timing + sdvo_lvds_options->panel_type); - - dev_priv->sdvo_lvds_vbt_mode = panel_fixed_mode; - - return; -} - -static void parse_general_features(struct drm_psb_private *dev_priv, - struct bdb_header *bdb) -{ - struct bdb_general_features *general; - - /* Set sensible defaults in case we can't find the general block */ - dev_priv->int_tv_support = 1; - dev_priv->int_crt_support = 1; - - general = find_section(bdb, BDB_GENERAL_FEATURES); - if (general) { - dev_priv->int_tv_support = general->int_tv_support; - dev_priv->int_crt_support = general->int_crt_support; - dev_priv->lvds_use_ssc = general->enable_ssc; - - if (dev_priv->lvds_use_ssc) { - dev_priv->lvds_ssc_freq - = general->ssc_freq ? 100 : 96; - } - } -} - -/** - * psb_intel_init_bios - initialize VBIOS settings & find VBT - * @dev: DRM device - * - * Loads the Video BIOS and checks that the VBT exists. Sets scratch registers - * to appropriate values. - * - * VBT existence is a sanity check that is relied on by other i830_bios.c code. - * Note that it would be better to use a BIOS call to get the VBT, as BIOSes may - * feed an updated VBT back through that, compared to what we'll fetch using - * this method of groping around in the BIOS data. - * - * Returns 0 on success, nonzero on failure. - */ -bool psb_intel_init_bios(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct pci_dev *pdev = dev->pdev; - struct vbt_header *vbt = NULL; - struct bdb_header *bdb; - u8 __iomem *bios; - size_t size; - int i; - - bios = pci_map_rom(pdev, &size); - if (!bios) - return -1; - - /* Scour memory looking for the VBT signature */ - for (i = 0; i + 4 < size; i++) { - if (!memcmp(bios + i, "$VBT", 4)) { - vbt = (struct vbt_header *)(bios + i); - break; - } - } - - if (!vbt) { - dev_err(dev->dev, "VBT signature missing\n"); - pci_unmap_rom(pdev, bios); - return -1; - } - - bdb = (struct bdb_header *)(bios + i + vbt->bdb_offset); - - /* Grab useful general definitions */ - parse_general_features(dev_priv, bdb); - parse_lfp_panel_data(dev_priv, bdb); - parse_sdvo_panel_data(dev_priv, bdb); - parse_backlight_data(dev_priv, bdb); - - pci_unmap_rom(pdev, bios); - - return 0; -} - -/** - * Destroy and free VBT data - */ -void psb_intel_destroy_bios(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct drm_display_mode *sdvo_lvds_vbt_mode = - dev_priv->sdvo_lvds_vbt_mode; - struct drm_display_mode *lfp_lvds_vbt_mode = - dev_priv->lfp_lvds_vbt_mode; - struct bdb_lvds_backlight *lvds_bl = - dev_priv->lvds_bl; - - /*free sdvo panel mode*/ - if (sdvo_lvds_vbt_mode) { - dev_priv->sdvo_lvds_vbt_mode = NULL; - kfree(sdvo_lvds_vbt_mode); - } - - if (lfp_lvds_vbt_mode) { - dev_priv->lfp_lvds_vbt_mode = NULL; - kfree(lfp_lvds_vbt_mode); - } - - if (lvds_bl) { - dev_priv->lvds_bl = NULL; - kfree(lvds_bl); - } -} diff --git a/drivers/staging/gma500/intel_bios.h b/drivers/staging/gma500/intel_bios.h deleted file mode 100644 index 70f1bf018183d9..00000000000000 --- a/drivers/staging/gma500/intel_bios.h +++ /dev/null @@ -1,430 +0,0 @@ -/* - * Copyright (c) 2006 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: - * Eric Anholt <eric@anholt.net> - * - */ - -#ifndef _I830_BIOS_H_ -#define _I830_BIOS_H_ - -#include <drm/drmP.h> - -struct vbt_header { - u8 signature[20]; /**< Always starts with 'VBT$' */ - u16 version; /**< decimal */ - u16 header_size; /**< in bytes */ - u16 vbt_size; /**< in bytes */ - u8 vbt_checksum; - u8 reserved0; - u32 bdb_offset; /**< from beginning of VBT */ - u32 aim_offset[4]; /**< from beginning of VBT */ -} __attribute__((packed)); - - -struct bdb_header { - u8 signature[16]; /**< Always 'BIOS_DATA_BLOCK' */ - u16 version; /**< decimal */ - u16 header_size; /**< in bytes */ - u16 bdb_size; /**< in bytes */ -}; - -/* strictly speaking, this is a "skip" block, but it has interesting info */ -struct vbios_data { - u8 type; /* 0 == desktop, 1 == mobile */ - u8 relstage; - u8 chipset; - u8 lvds_present:1; - u8 tv_present:1; - u8 rsvd2:6; /* finish byte */ - u8 rsvd3[4]; - u8 signon[155]; - u8 copyright[61]; - u16 code_segment; - u8 dos_boot_mode; - u8 bandwidth_percent; - u8 rsvd4; /* popup memory size */ - u8 resize_pci_bios; - u8 rsvd5; /* is crt already on ddc2 */ -} __attribute__((packed)); - -/* - * There are several types of BIOS data blocks (BDBs), each block has - * an ID and size in the first 3 bytes (ID in first, size in next 2). - * Known types are listed below. - */ -#define BDB_GENERAL_FEATURES 1 -#define BDB_GENERAL_DEFINITIONS 2 -#define BDB_OLD_TOGGLE_LIST 3 -#define BDB_MODE_SUPPORT_LIST 4 -#define BDB_GENERIC_MODE_TABLE 5 -#define BDB_EXT_MMIO_REGS 6 -#define BDB_SWF_IO 7 -#define BDB_SWF_MMIO 8 -#define BDB_DOT_CLOCK_TABLE 9 -#define BDB_MODE_REMOVAL_TABLE 10 -#define BDB_CHILD_DEVICE_TABLE 11 -#define BDB_DRIVER_FEATURES 12 -#define BDB_DRIVER_PERSISTENCE 13 -#define BDB_EXT_TABLE_PTRS 14 -#define BDB_DOT_CLOCK_OVERRIDE 15 -#define BDB_DISPLAY_SELECT 16 -/* 17 rsvd */ -#define BDB_DRIVER_ROTATION 18 -#define BDB_DISPLAY_REMOVE 19 -#define BDB_OEM_CUSTOM 20 -#define BDB_EFP_LIST 21 /* workarounds for VGA hsync/vsync */ -#define BDB_SDVO_LVDS_OPTIONS 22 -#define BDB_SDVO_PANEL_DTDS 23 -#define BDB_SDVO_LVDS_PNP_IDS 24 -#define BDB_SDVO_LVDS_POWER_SEQ 25 -#define BDB_TV_OPTIONS 26 -#define BDB_LVDS_OPTIONS 40 -#define BDB_LVDS_LFP_DATA_PTRS 41 -#define BDB_LVDS_LFP_DATA 42 -#define BDB_LVDS_BACKLIGHT 43 -#define BDB_LVDS_POWER 44 -#define BDB_SKIP 254 /* VBIOS private block, ignore */ - -struct bdb_general_features { - /* bits 1 */ - u8 panel_fitting:2; - u8 flexaim:1; - u8 msg_enable:1; - u8 clear_screen:3; - u8 color_flip:1; - - /* bits 2 */ - u8 download_ext_vbt:1; - u8 enable_ssc:1; - u8 ssc_freq:1; - u8 enable_lfp_on_override:1; - u8 disable_ssc_ddt:1; - u8 rsvd8:3; /* finish byte */ - - /* bits 3 */ - u8 disable_smooth_vision:1; - u8 single_dvi:1; - u8 rsvd9:6; /* finish byte */ - - /* bits 4 */ - u8 legacy_monitor_detect; - - /* bits 5 */ - u8 int_crt_support:1; - u8 int_tv_support:1; - u8 rsvd11:6; /* finish byte */ -} __attribute__((packed)); - -struct bdb_general_definitions { - /* DDC GPIO */ - u8 crt_ddc_gmbus_pin; - - /* DPMS bits */ - u8 dpms_acpi:1; - u8 skip_boot_crt_detect:1; - u8 dpms_aim:1; - u8 rsvd1:5; /* finish byte */ - - /* boot device bits */ - u8 boot_display[2]; - u8 child_dev_size; - - /* device info */ - u8 tv_or_lvds_info[33]; - u8 dev1[33]; - u8 dev2[33]; - u8 dev3[33]; - u8 dev4[33]; - /* may be another device block here on some platforms */ -}; - -struct bdb_lvds_options { - u8 panel_type; - u8 rsvd1; - /* LVDS capabilities, stored in a dword */ - u8 pfit_mode:2; - u8 pfit_text_mode_enhanced:1; - u8 pfit_gfx_mode_enhanced:1; - u8 pfit_ratio_auto:1; - u8 pixel_dither:1; - u8 lvds_edid:1; - u8 rsvd2:1; - u8 rsvd4; -} __attribute__((packed)); - -struct bdb_lvds_backlight { - u8 type:2; - u8 pol:1; - u8 gpio:3; - u8 gmbus:2; - u16 freq; - u8 minbrightness; - u8 i2caddr; - u8 brightnesscmd; - /*FIXME: more...*/ -} __attribute__((packed)); - -/* LFP pointer table contains entries to the struct below */ -struct bdb_lvds_lfp_data_ptr { - u16 fp_timing_offset; /* offsets are from start of bdb */ - u8 fp_table_size; - u16 dvo_timing_offset; - u8 dvo_table_size; - u16 panel_pnp_id_offset; - u8 pnp_table_size; -} __attribute__((packed)); - -struct bdb_lvds_lfp_data_ptrs { - u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */ - struct bdb_lvds_lfp_data_ptr ptr[16]; -} __attribute__((packed)); - -/* LFP data has 3 blocks per entry */ -struct lvds_fp_timing { - u16 x_res; - u16 y_res; - u32 lvds_reg; - u32 lvds_reg_val; - u32 pp_on_reg; - u32 pp_on_reg_val; - u32 pp_off_reg; - u32 pp_off_reg_val; - u32 pp_cycle_reg; - u32 pp_cycle_reg_val; - u32 pfit_reg; - u32 pfit_reg_val; - u16 terminator; -} __attribute__((packed)); - -struct lvds_dvo_timing { - u16 clock; /**< In 10khz */ - u8 hactive_lo; - u8 hblank_lo; - u8 hblank_hi:4; - u8 hactive_hi:4; - u8 vactive_lo; - u8 vblank_lo; - u8 vblank_hi:4; - u8 vactive_hi:4; - u8 hsync_off_lo; - u8 hsync_pulse_width; - u8 vsync_pulse_width:4; - u8 vsync_off:4; - u8 rsvd0:6; - u8 hsync_off_hi:2; - u8 h_image; - u8 v_image; - u8 max_hv; - u8 h_border; - u8 v_border; - u8 rsvd1:3; - u8 digital:2; - u8 vsync_positive:1; - u8 hsync_positive:1; - u8 rsvd2:1; -} __attribute__((packed)); - -struct lvds_pnp_id { - u16 mfg_name; - u16 product_code; - u32 serial; - u8 mfg_week; - u8 mfg_year; -} __attribute__((packed)); - -struct bdb_lvds_lfp_data_entry { - struct lvds_fp_timing fp_timing; - struct lvds_dvo_timing dvo_timing; - struct lvds_pnp_id pnp_id; -} __attribute__((packed)); - -struct bdb_lvds_lfp_data { - struct bdb_lvds_lfp_data_entry data[16]; -} __attribute__((packed)); - -struct aimdb_header { - char signature[16]; - char oem_device[20]; - u16 aimdb_version; - u16 aimdb_header_size; - u16 aimdb_size; -} __attribute__((packed)); - -struct aimdb_block { - u8 aimdb_id; - u16 aimdb_size; -} __attribute__((packed)); - -struct vch_panel_data { - u16 fp_timing_offset; - u8 fp_timing_size; - u16 dvo_timing_offset; - u8 dvo_timing_size; - u16 text_fitting_offset; - u8 text_fitting_size; - u16 graphics_fitting_offset; - u8 graphics_fitting_size; -} __attribute__((packed)); - -struct vch_bdb_22 { - struct aimdb_block aimdb_block; - struct vch_panel_data panels[16]; -} __attribute__((packed)); - -struct bdb_sdvo_lvds_options { - u8 panel_backlight; - u8 h40_set_panel_type; - u8 panel_type; - u8 ssc_clk_freq; - u16 als_low_trip; - u16 als_high_trip; - u8 sclalarcoeff_tab_row_num; - u8 sclalarcoeff_tab_row_size; - u8 coefficient[8]; - u8 panel_misc_bits_1; - u8 panel_misc_bits_2; - u8 panel_misc_bits_3; - u8 panel_misc_bits_4; -} __attribute__((packed)); - - -extern bool psb_intel_init_bios(struct drm_device *dev); -extern void psb_intel_destroy_bios(struct drm_device *dev); - -/* - * Driver<->VBIOS interaction occurs through scratch bits in - * GR18 & SWF*. - */ - -/* GR18 bits are set on display switch and hotkey events */ -#define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */ -#define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */ -#define GR18_HK_NONE (0x0<<3) -#define GR18_HK_LFP_STRETCH (0x1<<3) -#define GR18_HK_TOGGLE_DISP (0x2<<3) -#define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */ -#define GR18_HK_POPUP_DISABLED (0x6<<3) -#define GR18_HK_POPUP_ENABLED (0x7<<3) -#define GR18_HK_PFIT (0x8<<3) -#define GR18_HK_APM_CHANGE (0xa<<3) -#define GR18_HK_MULTIPLE (0xc<<3) -#define GR18_USER_INT_EN (1<<2) -#define GR18_A0000_FLUSH_EN (1<<1) -#define GR18_SMM_EN (1<<0) - -/* Set by driver, cleared by VBIOS */ -#define SWF00_YRES_SHIFT 16 -#define SWF00_XRES_SHIFT 0 -#define SWF00_RES_MASK 0xffff - -/* Set by VBIOS at boot time and driver at runtime */ -#define SWF01_TV2_FORMAT_SHIFT 8 -#define SWF01_TV1_FORMAT_SHIFT 0 -#define SWF01_TV_FORMAT_MASK 0xffff - -#define SWF10_VBIOS_BLC_I2C_EN (1<<29) -#define SWF10_GTT_OVERRIDE_EN (1<<28) -#define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */ -#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24) -#define SWF10_OLD_TOGGLE 0x0 -#define SWF10_TOGGLE_LIST_1 0x1 -#define SWF10_TOGGLE_LIST_2 0x2 -#define SWF10_TOGGLE_LIST_3 0x3 -#define SWF10_TOGGLE_LIST_4 0x4 -#define SWF10_PANNING_EN (1<<23) -#define SWF10_DRIVER_LOADED (1<<22) -#define SWF10_EXTENDED_DESKTOP (1<<21) -#define SWF10_EXCLUSIVE_MODE (1<<20) -#define SWF10_OVERLAY_EN (1<<19) -#define SWF10_PLANEB_HOLDOFF (1<<18) -#define SWF10_PLANEA_HOLDOFF (1<<17) -#define SWF10_VGA_HOLDOFF (1<<16) -#define SWF10_ACTIVE_DISP_MASK 0xffff -#define SWF10_PIPEB_LFP2 (1<<15) -#define SWF10_PIPEB_EFP2 (1<<14) -#define SWF10_PIPEB_TV2 (1<<13) -#define SWF10_PIPEB_CRT2 (1<<12) -#define SWF10_PIPEB_LFP (1<<11) -#define SWF10_PIPEB_EFP (1<<10) -#define SWF10_PIPEB_TV (1<<9) -#define SWF10_PIPEB_CRT (1<<8) -#define SWF10_PIPEA_LFP2 (1<<7) -#define SWF10_PIPEA_EFP2 (1<<6) -#define SWF10_PIPEA_TV2 (1<<5) -#define SWF10_PIPEA_CRT2 (1<<4) -#define SWF10_PIPEA_LFP (1<<3) -#define SWF10_PIPEA_EFP (1<<2) -#define SWF10_PIPEA_TV (1<<1) -#define SWF10_PIPEA_CRT (1<<0) - -#define SWF11_MEMORY_SIZE_SHIFT 16 -#define SWF11_SV_TEST_EN (1<<15) -#define SWF11_IS_AGP (1<<14) -#define SWF11_DISPLAY_HOLDOFF (1<<13) -#define SWF11_DPMS_REDUCED (1<<12) -#define SWF11_IS_VBE_MODE (1<<11) -#define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */ -#define SWF11_DPMS_MASK 0x07 -#define SWF11_DPMS_OFF (1<<2) -#define SWF11_DPMS_SUSPEND (1<<1) -#define SWF11_DPMS_STANDBY (1<<0) -#define SWF11_DPMS_ON 0 - -#define SWF14_GFX_PFIT_EN (1<<31) -#define SWF14_TEXT_PFIT_EN (1<<30) -#define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */ -#define SWF14_POPUP_EN (1<<28) -#define SWF14_DISPLAY_HOLDOFF (1<<27) -#define SWF14_DISP_DETECT_EN (1<<26) -#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */ -#define SWF14_DRIVER_STATUS (1<<24) -#define SWF14_OS_TYPE_WIN9X (1<<23) -#define SWF14_OS_TYPE_WINNT (1<<22) -/* 21:19 rsvd */ -#define SWF14_PM_TYPE_MASK 0x00070000 -#define SWF14_PM_ACPI_VIDEO (0x4 << 16) -#define SWF14_PM_ACPI (0x3 << 16) -#define SWF14_PM_APM_12 (0x2 << 16) -#define SWF14_PM_APM_11 (0x1 << 16) -#define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */ - /* if GR18 indicates a display switch */ -#define SWF14_DS_PIPEB_LFP2_EN (1<<15) -#define SWF14_DS_PIPEB_EFP2_EN (1<<14) -#define SWF14_DS_PIPEB_TV2_EN (1<<13) -#define SWF14_DS_PIPEB_CRT2_EN (1<<12) -#define SWF14_DS_PIPEB_LFP_EN (1<<11) -#define SWF14_DS_PIPEB_EFP_EN (1<<10) -#define SWF14_DS_PIPEB_TV_EN (1<<9) -#define SWF14_DS_PIPEB_CRT_EN (1<<8) -#define SWF14_DS_PIPEA_LFP2_EN (1<<7) -#define SWF14_DS_PIPEA_EFP2_EN (1<<6) -#define SWF14_DS_PIPEA_TV2_EN (1<<5) -#define SWF14_DS_PIPEA_CRT2_EN (1<<4) -#define SWF14_DS_PIPEA_LFP_EN (1<<3) -#define SWF14_DS_PIPEA_EFP_EN (1<<2) -#define SWF14_DS_PIPEA_TV_EN (1<<1) -#define SWF14_DS_PIPEA_CRT_EN (1<<0) - /* if GR18 indicates a panel fitting request */ -#define SWF14_PFIT_EN (1<<0) /* 0 means disable */ - /* if GR18 indicates an APM change request */ -#define SWF14_APM_HIBERNATE 0x4 -#define SWF14_APM_SUSPEND 0x3 -#define SWF14_APM_STANDBY 0x1 -#define SWF14_APM_RESTORE 0x0 - -#endif /* _I830_BIOS_H_ */ diff --git a/drivers/staging/gma500/intel_i2c.c b/drivers/staging/gma500/intel_i2c.c deleted file mode 100644 index 51cbf65268e6f7..00000000000000 --- a/drivers/staging/gma500/intel_i2c.c +++ /dev/null @@ -1,170 +0,0 @@ -/* - * Copyright © 2006-2007 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: - * Eric Anholt <eric@anholt.net> - */ - -#include <linux/i2c.h> -#include <linux/i2c-algo-bit.h> -#include <linux/export.h> - -#include "psb_drv.h" -#include "psb_intel_reg.h" - -/* - * Intel GPIO access functions - */ - -#define I2C_RISEFALL_TIME 20 - -static int get_clock(void *data) -{ - struct psb_intel_i2c_chan *chan = data; - struct drm_device *dev = chan->drm_dev; - u32 val; - - val = REG_READ(chan->reg); - return (val & GPIO_CLOCK_VAL_IN) != 0; -} - -static int get_data(void *data) -{ - struct psb_intel_i2c_chan *chan = data; - struct drm_device *dev = chan->drm_dev; - u32 val; - - val = REG_READ(chan->reg); - return (val & GPIO_DATA_VAL_IN) != 0; -} - -static void set_clock(void *data, int state_high) -{ - struct psb_intel_i2c_chan *chan = data; - struct drm_device *dev = chan->drm_dev; - u32 reserved = 0, clock_bits; - - /* On most chips, these bits must be preserved in software. */ - reserved = - REG_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE | - GPIO_CLOCK_PULLUP_DISABLE); - - if (state_high) - clock_bits = GPIO_CLOCK_DIR_IN | GPIO_CLOCK_DIR_MASK; - else - clock_bits = GPIO_CLOCK_DIR_OUT | GPIO_CLOCK_DIR_MASK | - GPIO_CLOCK_VAL_MASK; - REG_WRITE(chan->reg, reserved | clock_bits); - udelay(I2C_RISEFALL_TIME); /* wait for the line to change state */ -} - -static void set_data(void *data, int state_high) -{ - struct psb_intel_i2c_chan *chan = data; - struct drm_device *dev = chan->drm_dev; - u32 reserved = 0, data_bits; - - /* On most chips, these bits must be preserved in software. */ - reserved = - REG_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE | - GPIO_CLOCK_PULLUP_DISABLE); - - if (state_high) - data_bits = GPIO_DATA_DIR_IN | GPIO_DATA_DIR_MASK; - else - data_bits = - GPIO_DATA_DIR_OUT | GPIO_DATA_DIR_MASK | - GPIO_DATA_VAL_MASK; - - REG_WRITE(chan->reg, reserved | data_bits); - udelay(I2C_RISEFALL_TIME); /* wait for the line to change state */ -} - -/** - * psb_intel_i2c_create - instantiate an Intel i2c bus using the specified GPIO reg - * @dev: DRM device - * @output: driver specific output device - * @reg: GPIO reg to use - * @name: name for this bus - * - * Creates and registers a new i2c bus with the Linux i2c layer, for use - * in output probing and control (e.g. DDC or SDVO control functions). - * - * Possible values for @reg include: - * %GPIOA - * %GPIOB - * %GPIOC - * %GPIOD - * %GPIOE - * %GPIOF - * %GPIOG - * %GPIOH - * see PRM for details on how these different busses are used. - */ -struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev, - const u32 reg, const char *name) -{ - struct psb_intel_i2c_chan *chan; - - chan = kzalloc(sizeof(struct psb_intel_i2c_chan), GFP_KERNEL); - if (!chan) - goto out_free; - - chan->drm_dev = dev; - chan->reg = reg; - snprintf(chan->adapter.name, I2C_NAME_SIZE, "intel drm %s", name); - chan->adapter.owner = THIS_MODULE; - chan->adapter.algo_data = &chan->algo; - chan->adapter.dev.parent = &dev->pdev->dev; - chan->algo.setsda = set_data; - chan->algo.setscl = set_clock; - chan->algo.getsda = get_data; - chan->algo.getscl = get_clock; - chan->algo.udelay = 20; - chan->algo.timeout = usecs_to_jiffies(2200); - chan->algo.data = chan; - - i2c_set_adapdata(&chan->adapter, chan); - - if (i2c_bit_add_bus(&chan->adapter)) - goto out_free; - - /* JJJ: raise SCL and SDA? */ - set_data(chan, 1); - set_clock(chan, 1); - udelay(20); - - return chan; - -out_free: - kfree(chan); - return NULL; -} - -/** - * psb_intel_i2c_destroy - unregister and free i2c bus resources - * @output: channel to free - * - * Unregister the adapter from the i2c layer, then free the structure. - */ -void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan) -{ - if (!chan) - return; - - i2c_del_adapter(&chan->adapter); - kfree(chan); -} diff --git a/drivers/staging/gma500/intel_opregion.c b/drivers/staging/gma500/intel_opregion.c deleted file mode 100644 index d946bc1b17bf05..00000000000000 --- a/drivers/staging/gma500/intel_opregion.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * FIXME: resolve with the i915 version - */ - -#include "psb_drv.h" - -struct opregion_header { - u8 signature[16]; - u32 size; - u32 opregion_ver; - u8 bios_ver[32]; - u8 vbios_ver[16]; - u8 driver_ver[16]; - u32 mboxes; - u8 reserved[164]; -} __packed; - -struct opregion_apci { - /*FIXME: add it later*/ -} __packed; - -struct opregion_swsci { - /*FIXME: add it later*/ -} __packed; - -struct opregion_acpi { - /*FIXME: add it later*/ -} __packed; - -int gma_intel_opregion_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - u32 opregion_phy; - void *base; - u32 *lid_state; - - dev_priv->lid_state = NULL; - - pci_read_config_dword(dev->pdev, 0xfc, &opregion_phy); - if (opregion_phy == 0) - return -ENOTSUPP; - - base = ioremap(opregion_phy, 8*1024); - if (!base) - return -ENOMEM; - - lid_state = base + 0x01ac; - - dev_priv->lid_state = lid_state; - dev_priv->lid_last_state = readl(lid_state); - return 0; -} - -int gma_intel_opregion_exit(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - if (dev_priv->lid_state) - iounmap(dev_priv->lid_state); - return 0; -} diff --git a/drivers/staging/gma500/mdfld_device.c b/drivers/staging/gma500/mdfld_device.c deleted file mode 100644 index f47aeb7a203942..00000000000000 --- a/drivers/staging/gma500/mdfld_device.c +++ /dev/null @@ -1,714 +0,0 @@ -/************************************************************************** - * Copyright (c) 2011, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - **************************************************************************/ - -#include <linux/backlight.h> -#include <drm/drmP.h> -#include <drm/drm.h> -#include "psb_reg.h" -#include "psb_intel_reg.h" -#include "psb_drm.h" -#include "psb_drv.h" -#include "mdfld_output.h" -#include "mdfld_dsi_output.h" -#include "mid_bios.h" - -/* - * Provide the Medfield specific backlight management - */ - -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - -static int mdfld_brightness; -struct backlight_device *mdfld_backlight_device; - -static int mfld_set_brightness(struct backlight_device *bd) -{ - struct drm_device *dev = bl_get_data(mdfld_backlight_device); - struct drm_psb_private *dev_priv = dev->dev_private; - int level = bd->props.brightness; - - /* Percentage 1-100% being valid */ - if (level < 1) - level = 1; - - if (gma_power_begin(dev, 0)) { - /* Calculate and set the brightness value */ - u32 adjusted_level; - - /* Adjust the backlight level with the percent in - * dev_priv->blc_adj2; - */ - adjusted_level = level * dev_priv->blc_adj2; - adjusted_level = adjusted_level / 100; -#if 0 -#ifndef CONFIG_MDFLD_DSI_DPU - if(!(dev_priv->dsr_fb_update & MDFLD_DSR_MIPI_CONTROL) && - (dev_priv->dbi_panel_on || dev_priv->dbi_panel_on2)){ - mdfld_dsi_dbi_exit_dsr(dev,MDFLD_DSR_MIPI_CONTROL, 0, 0); - dev_dbg(dev->dev, "Out of DSR before set brightness to %d.\n",adjusted_level); - } -#endif - mdfld_dsi_brightness_control(dev, 0, adjusted_level); - - if ((dev_priv->dbi_panel_on2) || (dev_priv->dpi_panel_on2)) - mdfld_dsi_brightness_control(dev, 2, adjusted_level); -#endif - gma_power_end(dev); - } - mdfld_brightness = level; - return 0; -} - -int psb_get_brightness(struct backlight_device *bd) -{ - /* return locally cached var instead of HW read (due to DPST etc.) */ - /* FIXME: ideally return actual value in case firmware fiddled with - it */ - return mdfld_brightness; -} - -static const struct backlight_ops mfld_ops = { - .get_brightness = psb_get_brightness, - .update_status = mfld_set_brightness, -}; - -static int mdfld_backlight_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct backlight_properties props; - memset(&props, 0, sizeof(struct backlight_properties)); - props.max_brightness = 100; - props.type = BACKLIGHT_PLATFORM; - - mdfld_backlight_device = backlight_device_register("mfld-bl", - NULL, (void *)dev, &mfld_ops, &props); - - if (IS_ERR(mdfld_backlight_device)) - return PTR_ERR(mdfld_backlight_device); - - dev_priv->blc_adj1 = 100; - dev_priv->blc_adj2 = 100; - mdfld_backlight_device->props.brightness = 100; - mdfld_backlight_device->props.max_brightness = 100; - backlight_update_status(mdfld_backlight_device); - dev_priv->backlight_device = mdfld_backlight_device; - return 0; -} - -#endif - -/* - * Provide the Medfield specific chip logic and low level methods for - * power management. - */ - -static void mdfld_init_pm(struct drm_device *dev) -{ - /* No work needed here yet */ -} - -/** - * mdfld_save_display_registers - save registers for pipe - * @dev: our device - * @pipe: pipe to save - * - * Save the pipe state of the device before we power it off. Keep everything - * we need to put it back again - */ -static int mdfld_save_display_registers(struct drm_device *dev, int pipe) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - int i; - - /* register */ - u32 dpll_reg = MRST_DPLL_A; - u32 fp_reg = MRST_FPA0; - u32 pipeconf_reg = PIPEACONF; - u32 htot_reg = HTOTAL_A; - u32 hblank_reg = HBLANK_A; - u32 hsync_reg = HSYNC_A; - u32 vtot_reg = VTOTAL_A; - u32 vblank_reg = VBLANK_A; - u32 vsync_reg = VSYNC_A; - u32 pipesrc_reg = PIPEASRC; - u32 dspstride_reg = DSPASTRIDE; - u32 dsplinoff_reg = DSPALINOFF; - u32 dsptileoff_reg = DSPATILEOFF; - u32 dspsize_reg = DSPASIZE; - u32 dsppos_reg = DSPAPOS; - u32 dspsurf_reg = DSPASURF; - u32 mipi_reg = MIPI; - u32 dspcntr_reg = DSPACNTR; - u32 dspstatus_reg = PIPEASTAT; - u32 palette_reg = PALETTE_A; - - /* pointer to values */ - u32 *dpll_val = &dev_priv->saveDPLL_A; - u32 *fp_val = &dev_priv->saveFPA0; - u32 *pipeconf_val = &dev_priv->savePIPEACONF; - u32 *htot_val = &dev_priv->saveHTOTAL_A; - u32 *hblank_val = &dev_priv->saveHBLANK_A; - u32 *hsync_val = &dev_priv->saveHSYNC_A; - u32 *vtot_val = &dev_priv->saveVTOTAL_A; - u32 *vblank_val = &dev_priv->saveVBLANK_A; - u32 *vsync_val = &dev_priv->saveVSYNC_A; - u32 *pipesrc_val = &dev_priv->savePIPEASRC; - u32 *dspstride_val = &dev_priv->saveDSPASTRIDE; - u32 *dsplinoff_val = &dev_priv->saveDSPALINOFF; - u32 *dsptileoff_val = &dev_priv->saveDSPATILEOFF; - u32 *dspsize_val = &dev_priv->saveDSPASIZE; - u32 *dsppos_val = &dev_priv->saveDSPAPOS; - u32 *dspsurf_val = &dev_priv->saveDSPASURF; - u32 *mipi_val = &dev_priv->saveMIPI; - u32 *dspcntr_val = &dev_priv->saveDSPACNTR; - u32 *dspstatus_val = &dev_priv->saveDSPASTATUS; - u32 *palette_val = dev_priv->save_palette_a; - - switch (pipe) { - case 0: - break; - case 1: - /* register */ - dpll_reg = MDFLD_DPLL_B; - fp_reg = MDFLD_DPLL_DIV0; - pipeconf_reg = PIPEBCONF; - htot_reg = HTOTAL_B; - hblank_reg = HBLANK_B; - hsync_reg = HSYNC_B; - vtot_reg = VTOTAL_B; - vblank_reg = VBLANK_B; - vsync_reg = VSYNC_B; - pipesrc_reg = PIPEBSRC; - dspstride_reg = DSPBSTRIDE; - dsplinoff_reg = DSPBLINOFF; - dsptileoff_reg = DSPBTILEOFF; - dspsize_reg = DSPBSIZE; - dsppos_reg = DSPBPOS; - dspsurf_reg = DSPBSURF; - dspcntr_reg = DSPBCNTR; - dspstatus_reg = PIPEBSTAT; - palette_reg = PALETTE_B; - - /* values */ - dpll_val = &dev_priv->saveDPLL_B; - fp_val = &dev_priv->saveFPB0; - pipeconf_val = &dev_priv->savePIPEBCONF; - htot_val = &dev_priv->saveHTOTAL_B; - hblank_val = &dev_priv->saveHBLANK_B; - hsync_val = &dev_priv->saveHSYNC_B; - vtot_val = &dev_priv->saveVTOTAL_B; - vblank_val = &dev_priv->saveVBLANK_B; - vsync_val = &dev_priv->saveVSYNC_B; - pipesrc_val = &dev_priv->savePIPEBSRC; - dspstride_val = &dev_priv->saveDSPBSTRIDE; - dsplinoff_val = &dev_priv->saveDSPBLINOFF; - dsptileoff_val = &dev_priv->saveDSPBTILEOFF; - dspsize_val = &dev_priv->saveDSPBSIZE; - dsppos_val = &dev_priv->saveDSPBPOS; - dspsurf_val = &dev_priv->saveDSPBSURF; - dspcntr_val = &dev_priv->saveDSPBCNTR; - dspstatus_val = &dev_priv->saveDSPBSTATUS; - palette_val = dev_priv->save_palette_b; - break; - case 2: - /* register */ - pipeconf_reg = PIPECCONF; - htot_reg = HTOTAL_C; - hblank_reg = HBLANK_C; - hsync_reg = HSYNC_C; - vtot_reg = VTOTAL_C; - vblank_reg = VBLANK_C; - vsync_reg = VSYNC_C; - pipesrc_reg = PIPECSRC; - dspstride_reg = DSPCSTRIDE; - dsplinoff_reg = DSPCLINOFF; - dsptileoff_reg = DSPCTILEOFF; - dspsize_reg = DSPCSIZE; - dsppos_reg = DSPCPOS; - dspsurf_reg = DSPCSURF; - mipi_reg = MIPI_C; - dspcntr_reg = DSPCCNTR; - dspstatus_reg = PIPECSTAT; - palette_reg = PALETTE_C; - - /* pointer to values */ - pipeconf_val = &dev_priv->savePIPECCONF; - htot_val = &dev_priv->saveHTOTAL_C; - hblank_val = &dev_priv->saveHBLANK_C; - hsync_val = &dev_priv->saveHSYNC_C; - vtot_val = &dev_priv->saveVTOTAL_C; - vblank_val = &dev_priv->saveVBLANK_C; - vsync_val = &dev_priv->saveVSYNC_C; - pipesrc_val = &dev_priv->savePIPECSRC; - dspstride_val = &dev_priv->saveDSPCSTRIDE; - dsplinoff_val = &dev_priv->saveDSPCLINOFF; - dsptileoff_val = &dev_priv->saveDSPCTILEOFF; - dspsize_val = &dev_priv->saveDSPCSIZE; - dsppos_val = &dev_priv->saveDSPCPOS; - dspsurf_val = &dev_priv->saveDSPCSURF; - mipi_val = &dev_priv->saveMIPI_C; - dspcntr_val = &dev_priv->saveDSPCCNTR; - dspstatus_val = &dev_priv->saveDSPCSTATUS; - palette_val = dev_priv->save_palette_c; - break; - default: - DRM_ERROR("%s, invalid pipe number.\n", __func__); - return -EINVAL; - } - - /* Pipe & plane A info */ - *dpll_val = PSB_RVDC32(dpll_reg); - *fp_val = PSB_RVDC32(fp_reg); - *pipeconf_val = PSB_RVDC32(pipeconf_reg); - *htot_val = PSB_RVDC32(htot_reg); - *hblank_val = PSB_RVDC32(hblank_reg); - *hsync_val = PSB_RVDC32(hsync_reg); - *vtot_val = PSB_RVDC32(vtot_reg); - *vblank_val = PSB_RVDC32(vblank_reg); - *vsync_val = PSB_RVDC32(vsync_reg); - *pipesrc_val = PSB_RVDC32(pipesrc_reg); - *dspstride_val = PSB_RVDC32(dspstride_reg); - *dsplinoff_val = PSB_RVDC32(dsplinoff_reg); - *dsptileoff_val = PSB_RVDC32(dsptileoff_reg); - *dspsize_val = PSB_RVDC32(dspsize_reg); - *dsppos_val = PSB_RVDC32(dsppos_reg); - *dspsurf_val = PSB_RVDC32(dspsurf_reg); - *dspcntr_val = PSB_RVDC32(dspcntr_reg); - *dspstatus_val = PSB_RVDC32(dspstatus_reg); - - /*save palette (gamma) */ - for (i = 0; i < 256; i++) - palette_val[i] = PSB_RVDC32(palette_reg + (i<<2)); - - if (pipe == 1) { - dev_priv->savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL); - dev_priv->savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS); - dev_priv->saveHDMIPHYMISCCTL = PSB_RVDC32(HDMIPHYMISCCTL); - dev_priv->saveHDMIB_CONTROL = PSB_RVDC32(HDMIB_CONTROL); - return 0; - } - *mipi_val = PSB_RVDC32(mipi_reg); - return 0; -} - -/** - * mdfld_save_cursor_overlay_registers - save cursor overlay info - * @dev: our device - * - * Save the cursor and overlay register state - */ -static int mdfld_save_cursor_overlay_registers(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - /* Save cursor regs */ - dev_priv->saveDSPACURSOR_CTRL = PSB_RVDC32(CURACNTR); - dev_priv->saveDSPACURSOR_BASE = PSB_RVDC32(CURABASE); - dev_priv->saveDSPACURSOR_POS = PSB_RVDC32(CURAPOS); - - dev_priv->saveDSPBCURSOR_CTRL = PSB_RVDC32(CURBCNTR); - dev_priv->saveDSPBCURSOR_BASE = PSB_RVDC32(CURBBASE); - dev_priv->saveDSPBCURSOR_POS = PSB_RVDC32(CURBPOS); - - dev_priv->saveDSPCCURSOR_CTRL = PSB_RVDC32(CURCCNTR); - dev_priv->saveDSPCCURSOR_BASE = PSB_RVDC32(CURCBASE); - dev_priv->saveDSPCCURSOR_POS = PSB_RVDC32(CURCPOS); - - /* HW overlay */ - dev_priv->saveOV_OVADD = PSB_RVDC32(OV_OVADD); - dev_priv->saveOV_OGAMC0 = PSB_RVDC32(OV_OGAMC0); - dev_priv->saveOV_OGAMC1 = PSB_RVDC32(OV_OGAMC1); - dev_priv->saveOV_OGAMC2 = PSB_RVDC32(OV_OGAMC2); - dev_priv->saveOV_OGAMC3 = PSB_RVDC32(OV_OGAMC3); - dev_priv->saveOV_OGAMC4 = PSB_RVDC32(OV_OGAMC4); - dev_priv->saveOV_OGAMC5 = PSB_RVDC32(OV_OGAMC5); - - dev_priv->saveOV_OVADD_C = PSB_RVDC32(OV_OVADD + OV_C_OFFSET); - dev_priv->saveOV_OGAMC0_C = PSB_RVDC32(OV_OGAMC0 + OV_C_OFFSET); - dev_priv->saveOV_OGAMC1_C = PSB_RVDC32(OV_OGAMC1 + OV_C_OFFSET); - dev_priv->saveOV_OGAMC2_C = PSB_RVDC32(OV_OGAMC2 + OV_C_OFFSET); - dev_priv->saveOV_OGAMC3_C = PSB_RVDC32(OV_OGAMC3 + OV_C_OFFSET); - dev_priv->saveOV_OGAMC4_C = PSB_RVDC32(OV_OGAMC4 + OV_C_OFFSET); - dev_priv->saveOV_OGAMC5_C = PSB_RVDC32(OV_OGAMC5 + OV_C_OFFSET); - - return 0; -} -/* - * mdfld_restore_display_registers - restore the state of a pipe - * @dev: our device - * @pipe: the pipe to restore - * - * Restore the state of a pipe to that which was saved by the register save - * functions. - */ -static int mdfld_restore_display_registers(struct drm_device *dev, int pipe) -{ - /* To get panel out of ULPS mode */ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dsi_config *dsi_config = NULL; - u32 i = 0; - u32 dpll = 0; - u32 timeout = 0; - u32 reg_offset = 0; - - /* register */ - u32 dpll_reg = MRST_DPLL_A; - u32 fp_reg = MRST_FPA0; - u32 pipeconf_reg = PIPEACONF; - u32 htot_reg = HTOTAL_A; - u32 hblank_reg = HBLANK_A; - u32 hsync_reg = HSYNC_A; - u32 vtot_reg = VTOTAL_A; - u32 vblank_reg = VBLANK_A; - u32 vsync_reg = VSYNC_A; - u32 pipesrc_reg = PIPEASRC; - u32 dspstride_reg = DSPASTRIDE; - u32 dsplinoff_reg = DSPALINOFF; - u32 dsptileoff_reg = DSPATILEOFF; - u32 dspsize_reg = DSPASIZE; - u32 dsppos_reg = DSPAPOS; - u32 dspsurf_reg = DSPASURF; - u32 dspstatus_reg = PIPEASTAT; - u32 mipi_reg = MIPI; - u32 dspcntr_reg = DSPACNTR; - u32 palette_reg = PALETTE_A; - - /* values */ - u32 dpll_val = dev_priv->saveDPLL_A & ~DPLL_VCO_ENABLE; - u32 fp_val = dev_priv->saveFPA0; - u32 pipeconf_val = dev_priv->savePIPEACONF; - u32 htot_val = dev_priv->saveHTOTAL_A; - u32 hblank_val = dev_priv->saveHBLANK_A; - u32 hsync_val = dev_priv->saveHSYNC_A; - u32 vtot_val = dev_priv->saveVTOTAL_A; - u32 vblank_val = dev_priv->saveVBLANK_A; - u32 vsync_val = dev_priv->saveVSYNC_A; - u32 pipesrc_val = dev_priv->savePIPEASRC; - u32 dspstride_val = dev_priv->saveDSPASTRIDE; - u32 dsplinoff_val = dev_priv->saveDSPALINOFF; - u32 dsptileoff_val = dev_priv->saveDSPATILEOFF; - u32 dspsize_val = dev_priv->saveDSPASIZE; - u32 dsppos_val = dev_priv->saveDSPAPOS; - u32 dspsurf_val = dev_priv->saveDSPASURF; - u32 dspstatus_val = dev_priv->saveDSPASTATUS; - u32 mipi_val = dev_priv->saveMIPI; - u32 dspcntr_val = dev_priv->saveDSPACNTR; - u32 *palette_val = dev_priv->save_palette_a; - - switch (pipe) { - case 0: - dsi_config = dev_priv->dsi_configs[0]; - break; - case 1: - /* register */ - dpll_reg = MDFLD_DPLL_B; - fp_reg = MDFLD_DPLL_DIV0; - pipeconf_reg = PIPEBCONF; - htot_reg = HTOTAL_B; - hblank_reg = HBLANK_B; - hsync_reg = HSYNC_B; - vtot_reg = VTOTAL_B; - vblank_reg = VBLANK_B; - vsync_reg = VSYNC_B; - pipesrc_reg = PIPEBSRC; - dspstride_reg = DSPBSTRIDE; - dsplinoff_reg = DSPBLINOFF; - dsptileoff_reg = DSPBTILEOFF; - dspsize_reg = DSPBSIZE; - dsppos_reg = DSPBPOS; - dspsurf_reg = DSPBSURF; - dspcntr_reg = DSPBCNTR; - palette_reg = PALETTE_B; - dspstatus_reg = PIPEBSTAT; - - /* values */ - dpll_val = dev_priv->saveDPLL_B & ~DPLL_VCO_ENABLE; - fp_val = dev_priv->saveFPB0; - pipeconf_val = dev_priv->savePIPEBCONF; - htot_val = dev_priv->saveHTOTAL_B; - hblank_val = dev_priv->saveHBLANK_B; - hsync_val = dev_priv->saveHSYNC_B; - vtot_val = dev_priv->saveVTOTAL_B; - vblank_val = dev_priv->saveVBLANK_B; - vsync_val = dev_priv->saveVSYNC_B; - pipesrc_val = dev_priv->savePIPEBSRC; - dspstride_val = dev_priv->saveDSPBSTRIDE; - dsplinoff_val = dev_priv->saveDSPBLINOFF; - dsptileoff_val = dev_priv->saveDSPBTILEOFF; - dspsize_val = dev_priv->saveDSPBSIZE; - dsppos_val = dev_priv->saveDSPBPOS; - dspsurf_val = dev_priv->saveDSPBSURF; - dspcntr_val = dev_priv->saveDSPBCNTR; - dspstatus_val = dev_priv->saveDSPBSTATUS; - palette_val = dev_priv->save_palette_b; - break; - case 2: - reg_offset = MIPIC_REG_OFFSET; - - /* register */ - pipeconf_reg = PIPECCONF; - htot_reg = HTOTAL_C; - hblank_reg = HBLANK_C; - hsync_reg = HSYNC_C; - vtot_reg = VTOTAL_C; - vblank_reg = VBLANK_C; - vsync_reg = VSYNC_C; - pipesrc_reg = PIPECSRC; - dspstride_reg = DSPCSTRIDE; - dsplinoff_reg = DSPCLINOFF; - dsptileoff_reg = DSPCTILEOFF; - dspsize_reg = DSPCSIZE; - dsppos_reg = DSPCPOS; - dspsurf_reg = DSPCSURF; - mipi_reg = MIPI_C; - dspcntr_reg = DSPCCNTR; - palette_reg = PALETTE_C; - dspstatus_reg = PIPECSTAT; - - /* values */ - pipeconf_val = dev_priv->savePIPECCONF; - htot_val = dev_priv->saveHTOTAL_C; - hblank_val = dev_priv->saveHBLANK_C; - hsync_val = dev_priv->saveHSYNC_C; - vtot_val = dev_priv->saveVTOTAL_C; - vblank_val = dev_priv->saveVBLANK_C; - vsync_val = dev_priv->saveVSYNC_C; - pipesrc_val = dev_priv->savePIPECSRC; - dspstride_val = dev_priv->saveDSPCSTRIDE; - dsplinoff_val = dev_priv->saveDSPCLINOFF; - dsptileoff_val = dev_priv->saveDSPCTILEOFF; - dspsize_val = dev_priv->saveDSPCSIZE; - dsppos_val = dev_priv->saveDSPCPOS; - dspsurf_val = dev_priv->saveDSPCSURF; - dspstatus_val = dev_priv->saveDSPCSTATUS; - mipi_val = dev_priv->saveMIPI_C; - dspcntr_val = dev_priv->saveDSPCCNTR; - palette_val = dev_priv->save_palette_c; - - dsi_config = dev_priv->dsi_configs[1]; - break; - default: - DRM_ERROR("%s, invalid pipe number.\n", __func__); - return -EINVAL; - } - - /* Make sure VGA plane is off. it initializes to on after reset!*/ - PSB_WVDC32(0x80000000, VGACNTRL); - if (pipe == 1) { - PSB_WVDC32(dpll_val & ~DPLL_VCO_ENABLE, dpll_reg); - PSB_RVDC32(dpll_reg); - - PSB_WVDC32(fp_val, fp_reg); - } else { - dpll = PSB_RVDC32(dpll_reg); - - if (!(dpll & DPLL_VCO_ENABLE)) { - - /* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */ - if (dpll & MDFLD_PWR_GATE_EN) { - dpll &= ~MDFLD_PWR_GATE_EN; - PSB_WVDC32(dpll, dpll_reg); - udelay(500); /* FIXME: 1 ? */ - } - - PSB_WVDC32(fp_val, fp_reg); - PSB_WVDC32(dpll_val, dpll_reg); - /* FIXME_MDFLD PO - change 500 to 1 after PO */ - udelay(500); - - dpll_val |= DPLL_VCO_ENABLE; - PSB_WVDC32(dpll_val, dpll_reg); - PSB_RVDC32(dpll_reg); - - /* wait for DSI PLL to lock */ - while ((timeout < 20000) && !(PSB_RVDC32(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) { - udelay(150); - timeout++; - } - - if (timeout == 20000) { - DRM_ERROR("%s, can't lock DSIPLL.\n", - __func__); - return -EINVAL; - } - } - } - /* Restore mode */ - PSB_WVDC32(htot_val, htot_reg); - PSB_WVDC32(hblank_val, hblank_reg); - PSB_WVDC32(hsync_val, hsync_reg); - PSB_WVDC32(vtot_val, vtot_reg); - PSB_WVDC32(vblank_val, vblank_reg); - PSB_WVDC32(vsync_val, vsync_reg); - PSB_WVDC32(pipesrc_val, pipesrc_reg); - PSB_WVDC32(dspstatus_val, dspstatus_reg); - - /* Set up the plane */ - PSB_WVDC32(dspstride_val, dspstride_reg); - PSB_WVDC32(dsplinoff_val, dsplinoff_reg); - PSB_WVDC32(dsptileoff_val, dsptileoff_reg); - PSB_WVDC32(dspsize_val, dspsize_reg); - PSB_WVDC32(dsppos_val, dsppos_reg); - PSB_WVDC32(dspsurf_val, dspsurf_reg); - - if (pipe == 1) { - PSB_WVDC32(dev_priv->savePFIT_CONTROL, PFIT_CONTROL); - PSB_WVDC32(dev_priv->savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS); - PSB_WVDC32(dev_priv->saveHDMIPHYMISCCTL, HDMIPHYMISCCTL); - PSB_WVDC32(dev_priv->saveHDMIB_CONTROL, HDMIB_CONTROL); - - } else { - /* Set up pipe related registers */ - PSB_WVDC32(mipi_val, mipi_reg); - /* Setup MIPI adapter + MIPI IP registers */ - mdfld_dsi_controller_init(dsi_config, pipe); - msleep(20); - } - /* Enable the plane */ - PSB_WVDC32(dspcntr_val, dspcntr_reg); - msleep(20); - /* Enable the pipe */ - PSB_WVDC32(pipeconf_val, pipeconf_reg); - - for (i = 0; i < 256; i++) - PSB_WVDC32(palette_val[i], palette_reg + (i<<2)); - if (pipe == 1) - return 0; - if (!mdfld_panel_dpi(dev)) - mdfld_enable_te(dev, pipe); - return 0; -} - -/** - * mdfld_restore_cursor_overlay_registers - restore cursor - * @dev: our device - * - * Restore the cursor and overlay state that was saved earlier - */ -static int mdfld_restore_cursor_overlay_registers(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - /* Enable Cursor A */ - PSB_WVDC32(dev_priv->saveDSPACURSOR_CTRL, CURACNTR); - PSB_WVDC32(dev_priv->saveDSPACURSOR_POS, CURAPOS); - PSB_WVDC32(dev_priv->saveDSPACURSOR_BASE, CURABASE); - - PSB_WVDC32(dev_priv->saveDSPBCURSOR_CTRL, CURBCNTR); - PSB_WVDC32(dev_priv->saveDSPBCURSOR_POS, CURBPOS); - PSB_WVDC32(dev_priv->saveDSPBCURSOR_BASE, CURBBASE); - - PSB_WVDC32(dev_priv->saveDSPCCURSOR_CTRL, CURCCNTR); - PSB_WVDC32(dev_priv->saveDSPCCURSOR_POS, CURCPOS); - PSB_WVDC32(dev_priv->saveDSPCCURSOR_BASE, CURCBASE); - - /* Restore HW overlay */ - PSB_WVDC32(dev_priv->saveOV_OVADD, OV_OVADD); - PSB_WVDC32(dev_priv->saveOV_OGAMC0, OV_OGAMC0); - PSB_WVDC32(dev_priv->saveOV_OGAMC1, OV_OGAMC1); - PSB_WVDC32(dev_priv->saveOV_OGAMC2, OV_OGAMC2); - PSB_WVDC32(dev_priv->saveOV_OGAMC3, OV_OGAMC3); - PSB_WVDC32(dev_priv->saveOV_OGAMC4, OV_OGAMC4); - PSB_WVDC32(dev_priv->saveOV_OGAMC5, OV_OGAMC5); - - PSB_WVDC32(dev_priv->saveOV_OVADD_C, OV_OVADD + OV_C_OFFSET); - PSB_WVDC32(dev_priv->saveOV_OGAMC0_C, OV_OGAMC0 + OV_C_OFFSET); - PSB_WVDC32(dev_priv->saveOV_OGAMC1_C, OV_OGAMC1 + OV_C_OFFSET); - PSB_WVDC32(dev_priv->saveOV_OGAMC2_C, OV_OGAMC2 + OV_C_OFFSET); - PSB_WVDC32(dev_priv->saveOV_OGAMC3_C, OV_OGAMC3 + OV_C_OFFSET); - PSB_WVDC32(dev_priv->saveOV_OGAMC4_C, OV_OGAMC4 + OV_C_OFFSET); - PSB_WVDC32(dev_priv->saveOV_OGAMC5_C, OV_OGAMC5 + OV_C_OFFSET); - - return 0; -} - -/** - * mdfld_save_display_registers - save registers lost on suspend - * @dev: our DRM device - * - * Save the state we need in order to be able to restore the interface - * upon resume from suspend - */ -static int mdfld_save_registers(struct drm_device *dev) -{ - /* FIXME: We need to shut down panels here if using them - and once the right bits are merged */ - mdfld_save_cursor_overlay_registers(dev); - mdfld_save_display_registers(dev, 0); - mdfld_save_display_registers(dev, 0); - mdfld_save_display_registers(dev, 2); - mdfld_save_display_registers(dev, 1); - mdfld_disable_crtc(dev, 0); - mdfld_disable_crtc(dev, 2); - mdfld_disable_crtc(dev, 1); - return 0; -} - -/** - * mdfld_restore_display_registers - restore lost register state - * @dev: our DRM device - * - * Restore register state that was lost during suspend and resume. - */ -static int mdfld_restore_registers(struct drm_device *dev) -{ - mdfld_restore_display_registers(dev, 1); - mdfld_restore_display_registers(dev, 0); - mdfld_restore_display_registers(dev, 2); - mdfld_restore_cursor_overlay_registers(dev); - return 0; -} - -static int mdfld_power_down(struct drm_device *dev) -{ - /* FIXME */ - return 0; -} - -static int mdfld_power_up(struct drm_device *dev) -{ - /* FIXME */ - return 0; -} - -const struct psb_ops mdfld_chip_ops = { - .name = "Medfield", - .accel_2d = 0, - .pipes = 3, - .crtcs = 2, - .sgx_offset = MRST_SGX_OFFSET, - - .chip_setup = mid_chip_setup, - - .crtc_helper = &mdfld_helper_funcs, - .crtc_funcs = &mdfld_intel_crtc_funcs, - - .output_init = mdfld_output_init, - -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - .backlight_init = mdfld_backlight_init, -#endif - - .init_pm = mdfld_init_pm, - .save_regs = mdfld_save_registers, - .restore_regs = mdfld_restore_registers, - .power_down = mdfld_power_down, - .power_up = mdfld_power_up, -}; - diff --git a/drivers/staging/gma500/mdfld_dsi_dbi.c b/drivers/staging/gma500/mdfld_dsi_dbi.c deleted file mode 100644 index fd211f3467c419..00000000000000 --- a/drivers/staging/gma500/mdfld_dsi_dbi.c +++ /dev/null @@ -1,761 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * jim liu <jim.liu@intel.com> - * Jackie Li<yaodong.li@intel.com> - */ - -#include "mdfld_dsi_dbi.h" -#include "mdfld_dsi_dbi_dpu.h" -#include "mdfld_dsi_pkg_sender.h" - -#include "power.h" -#include <linux/pm_runtime.h> - -int enable_gfx_rtpm; - -extern struct drm_device *gpDrmDevice; -extern int gfxrtdelay; -int enter_dsr; -struct mdfld_dsi_dbi_output *gdbi_output; -extern bool gbgfxsuspended; -extern int enable_gfx_rtpm; -extern int gfxrtdelay; - -#define MDFLD_DSR_MAX_IDLE_COUNT 2 - -/* - * set refreshing area - */ -int mdfld_dsi_dbi_update_area(struct mdfld_dsi_dbi_output *dbi_output, - u16 x1, u16 y1, u16 x2, u16 y2) -{ - struct mdfld_dsi_pkg_sender *sender = - mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base); - u8 param[4]; - u8 cmd; - int err; - - if (!sender) { - WARN_ON(1); - return -EINVAL; - } - - /* Set column */ - cmd = DCS_SET_COLUMN_ADDRESS; - param[0] = x1 >> 8; - param[1] = x1; - param[2] = x2 >> 8; - param[3] = x2; - - err = mdfld_dsi_send_dcs(sender, - cmd, - param, - 4, - CMD_DATA_SRC_SYSTEM_MEM, - MDFLD_DSI_QUEUE_PACKAGE); - if (err) { - dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd); - goto err_out; - } - - /* Set page */ - cmd = DCS_SET_PAGE_ADDRESS; - param[0] = y1 >> 8; - param[1] = y1; - param[2] = y2 >> 8; - param[3] = y2; - - err = mdfld_dsi_send_dcs(sender, - cmd, - param, - 4, - CMD_DATA_SRC_SYSTEM_MEM, - MDFLD_DSI_QUEUE_PACKAGE); - if (err) { - dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd); - goto err_out; - } - - /*update screen*/ - err = mdfld_dsi_send_dcs(sender, - write_mem_start, - NULL, - 0, - CMD_DATA_SRC_PIPE, - MDFLD_DSI_QUEUE_PACKAGE); - if (err) { - dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd); - goto err_out; - } - mdfld_dsi_cmds_kick_out(sender); -err_out: - return err; -} - -/* - * set panel's power state - */ -int mdfld_dsi_dbi_update_power(struct mdfld_dsi_dbi_output *dbi_output, - int mode) -{ - struct drm_device *dev = dbi_output->dev; - struct mdfld_dsi_pkg_sender *sender = - mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base); - u8 param = 0; - u32 err = 0; - - if (!sender) { - WARN_ON(1); - return -EINVAL; - } - - if (mode == DRM_MODE_DPMS_ON) { - /* Exit sleep mode */ - err = mdfld_dsi_send_dcs(sender, - DCS_EXIT_SLEEP_MODE, - NULL, - 0, - CMD_DATA_SRC_SYSTEM_MEM, - MDFLD_DSI_QUEUE_PACKAGE); - if (err) { - dev_err(dev->dev, "DCS 0x%x sent failed\n", - DCS_EXIT_SLEEP_MODE); - goto power_err; - } - - /* Set display on */ - err = mdfld_dsi_send_dcs(sender, - DCS_SET_DISPLAY_ON, - NULL, - 0, - CMD_DATA_SRC_SYSTEM_MEM, - MDFLD_DSI_QUEUE_PACKAGE); - if (err) { - dev_err(dev->dev, "DCS 0x%x sent failed\n", - DCS_SET_DISPLAY_ON); - goto power_err; - } - - /* set tear effect on */ - err = mdfld_dsi_send_dcs(sender, - DCS_SET_TEAR_ON, - ¶m, - 1, - CMD_DATA_SRC_SYSTEM_MEM, - MDFLD_DSI_QUEUE_PACKAGE); - if (err) { - dev_err(dev->dev, "DCS 0x%x sent failed\n", - set_tear_on); - goto power_err; - } - - /** - * FIXME: remove this later - */ - err = mdfld_dsi_send_dcs(sender, - DCS_WRITE_MEM_START, - NULL, - 0, - CMD_DATA_SRC_PIPE, - MDFLD_DSI_QUEUE_PACKAGE); - if (err) { - dev_err(dev->dev, "DCS 0x%x sent failed\n", - DCS_WRITE_MEM_START); - goto power_err; - } - } else { - /* Set tear effect off */ - err = mdfld_dsi_send_dcs(sender, - DCS_SET_TEAR_OFF, - NULL, - 0, - CMD_DATA_SRC_SYSTEM_MEM, - MDFLD_DSI_QUEUE_PACKAGE); - if (err) { - dev_err(dev->dev, "DCS 0x%x sent failed\n", - DCS_SET_TEAR_OFF); - goto power_err; - } - - /* Turn display off */ - err = mdfld_dsi_send_dcs(sender, - DCS_SET_DISPLAY_OFF, - NULL, - 0, - CMD_DATA_SRC_SYSTEM_MEM, - MDFLD_DSI_QUEUE_PACKAGE); - if (err) { - dev_err(dev->dev, "DCS 0x%x sent failed\n", - DCS_SET_DISPLAY_OFF); - goto power_err; - } - - /* Now enter sleep mode */ - err = mdfld_dsi_send_dcs(sender, - DCS_ENTER_SLEEP_MODE, - NULL, - 0, - CMD_DATA_SRC_SYSTEM_MEM, - MDFLD_DSI_QUEUE_PACKAGE); - if (err) { - dev_err(dev->dev, "DCS 0x%x sent failed\n", - DCS_ENTER_SLEEP_MODE); - goto power_err; - } - } - mdfld_dsi_cmds_kick_out(sender); -power_err: - return err; -} - -/* - * send a generic DCS command with a parameter list - */ -int mdfld_dsi_dbi_send_dcs(struct mdfld_dsi_dbi_output *dbi_output, - u8 dcs, u8 *param, u32 num, u8 data_src) -{ - struct mdfld_dsi_pkg_sender *sender = - mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base); - int ret; - - if (!sender) { - WARN_ON(1); - return -EINVAL; - } - - ret = mdfld_dsi_send_dcs(sender, - dcs, - param, - num, - data_src, - MDFLD_DSI_SEND_PACKAGE); - - return ret; -} - -/* - * Enter DSR - */ -void mdfld_dsi_dbi_enter_dsr(struct mdfld_dsi_dbi_output *dbi_output, int pipe) -{ - u32 reg_val; - struct drm_device *dev = dbi_output->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct drm_crtc *crtc = dbi_output->base.base.crtc; - struct psb_intel_crtc *psb_crtc = (crtc) ? - to_psb_intel_crtc(crtc) : NULL; - u32 dpll_reg = MRST_DPLL_A; - u32 pipeconf_reg = PIPEACONF; - u32 dspcntr_reg = DSPACNTR; - - if (!dbi_output) - return; - - /* FIXME check if can go */ - dev_priv->is_in_idle = true; - - gdbi_output = dbi_output; - if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) || - (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING)) - return; - - if (pipe == 2) { - dpll_reg = MRST_DPLL_A; - pipeconf_reg = PIPECCONF; - dspcntr_reg = DSPCCNTR; - } - - if (!gma_power_begin(dev, true)) { - dev_err(dev->dev, "hw begin failed\n"); - return; - } - /* Disable te interrupts */ - mdfld_disable_te(dev, pipe); - - /* Disable plane */ - reg_val = REG_READ(dspcntr_reg); - if (!(reg_val & DISPLAY_PLANE_ENABLE)) { - REG_WRITE(dspcntr_reg, reg_val & ~DISPLAY_PLANE_ENABLE); - REG_READ(dspcntr_reg); - } - - /* Disable pipe */ - reg_val = REG_READ(pipeconf_reg); - if (!(reg_val & DISPLAY_PLANE_ENABLE)) { - reg_val &= ~DISPLAY_PLANE_ENABLE; - reg_val |= (PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF); - REG_WRITE(pipeconf_reg, reg_val); - REG_READ(pipeconf_reg); - mdfldWaitForPipeDisable(dev, pipe); - } - - /* Disable DPLL */ - reg_val = REG_READ(dpll_reg); - if (!(reg_val & DPLL_VCO_ENABLE)) { - reg_val &= ~DPLL_VCO_ENABLE; - REG_WRITE(dpll_reg, reg_val); - REG_READ(dpll_reg); - udelay(500); - } - - gma_power_end(dev); - dbi_output->mode_flags |= MODE_SETTING_IN_DSR; - if (pipe == 2) { - enter_dsr = 1; - /* pm_schedule_suspend(&dev->pdev->dev, gfxrtdelay); */ - } -} - -static void mdfld_dbi_output_exit_dsr(struct mdfld_dsi_dbi_output *dbi_output, - int pipe) -{ - struct drm_device *dev = dbi_output->dev; - struct drm_crtc *crtc = dbi_output->base.base.crtc; - struct psb_intel_crtc *psb_crtc = (crtc) ? - to_psb_intel_crtc(crtc) : NULL; - u32 reg_val; - u32 dpll_reg = MRST_DPLL_A; - u32 pipeconf_reg = PIPEACONF; - u32 dspcntr_reg = DSPACNTR; - u32 reg_offset = 0; - - /*if mode setting on-going, back off*/ - if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) || - (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING)) - return; - - if (pipe == 2) { - dpll_reg = MRST_DPLL_A; - pipeconf_reg = PIPECCONF; - dspcntr_reg = DSPCCNTR; - reg_offset = MIPIC_REG_OFFSET; - } - - if (!gma_power_begin(dev, true)) { - dev_err(dev->dev, "hw begin failed\n"); - return; - } - - /* Enable DPLL */ - reg_val = REG_READ(dpll_reg); - if (!(reg_val & DPLL_VCO_ENABLE)) { - if (reg_val & MDFLD_PWR_GATE_EN) { - reg_val &= ~MDFLD_PWR_GATE_EN; - REG_WRITE(dpll_reg, reg_val); - REG_READ(dpll_reg); - udelay(500); - } - - reg_val |= DPLL_VCO_ENABLE; - REG_WRITE(dpll_reg, reg_val); - REG_READ(dpll_reg); - udelay(500); - - /* Add timeout */ - while (!(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) - cpu_relax(); - } - - /* Enable pipe */ - reg_val = REG_READ(pipeconf_reg); - if (!(reg_val & PIPEACONF_ENABLE)) { - reg_val |= PIPEACONF_ENABLE; - REG_WRITE(pipeconf_reg, reg_val); - REG_READ(pipeconf_reg); - udelay(500); - mdfldWaitForPipeEnable(dev, pipe); - } - - /* Enable plane */ - reg_val = REG_READ(dspcntr_reg); - if (!(reg_val & DISPLAY_PLANE_ENABLE)) { - reg_val |= DISPLAY_PLANE_ENABLE; - REG_WRITE(dspcntr_reg, reg_val); - REG_READ(dspcntr_reg); - udelay(500); - } - - /* Enable TE interrupt on this pipe */ - mdfld_enable_te(dev, pipe); - gma_power_end(dev); - - /*clean IN_DSR flag*/ - dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR; -} - -/* - * Exit from DSR - */ -void mdfld_dsi_dbi_exit_dsr(struct drm_device *dev, u32 update_src) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info; - struct mdfld_dsi_dbi_output **dbi_output; - int i; - int pipe; - - /* FIXME can go ? */ - dev_priv->is_in_idle = false; - dbi_output = dsr_info->dbi_outputs; - -#ifdef CONFIG_PM_RUNTIME - if (!enable_gfx_rtpm) { -/* pm_runtime_allow(&gpDrmDevice->pdev->dev); */ -/* schedule_delayed_work(&rtpm_work, 30 * 1000);*/ /* FIXME: HZ ? */ - } -#endif - - /* For each output, exit dsr */ - for (i = 0; i < dsr_info->dbi_output_num; i++) { - /* If panel has been turned off, skip */ - if (!dbi_output[i] || !dbi_output[i]->dbi_panel_on) - continue; - pipe = dbi_output[i]->channel_num ? 2 : 0; - enter_dsr = 0; - mdfld_dbi_output_exit_dsr(dbi_output[i], pipe); - } - dev_priv->dsr_fb_update |= update_src; -} - -static bool mdfld_dbi_is_in_dsr(struct drm_device *dev) -{ - if (REG_READ(MRST_DPLL_A) & DPLL_VCO_ENABLE) - return false; - if ((REG_READ(PIPEACONF) & PIPEACONF_ENABLE) || - (REG_READ(PIPECCONF) & PIPEACONF_ENABLE)) - return false; - if ((REG_READ(DSPACNTR) & DISPLAY_PLANE_ENABLE) || - (REG_READ(DSPCCNTR) & DISPLAY_PLANE_ENABLE)) - return false; - - return true; -} - -/* Periodically update dbi panel */ -void mdfld_dbi_update_panel(struct drm_device *dev, int pipe) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info; - struct mdfld_dsi_dbi_output **dbi_outputs; - struct mdfld_dsi_dbi_output *dbi_output; - int i; - int can_enter_dsr = 0; - u32 damage_mask; - - dbi_outputs = dsr_info->dbi_outputs; - dbi_output = pipe ? dbi_outputs[1] : dbi_outputs[0]; - - if (!dbi_output) - return; - - if (pipe == 0) - damage_mask = dev_priv->dsr_fb_update & MDFLD_DSR_DAMAGE_MASK_0; - else if (pipe == 2) - damage_mask = dev_priv->dsr_fb_update & MDFLD_DSR_DAMAGE_MASK_2; - else - return; - - /* If FB is damaged and panel is on update on-panel FB */ - if (damage_mask && dbi_output->dbi_panel_on) { - dbi_output->dsr_fb_update_done = false; - - if (dbi_output->p_funcs->update_fb) - dbi_output->p_funcs->update_fb(dbi_output, pipe); - - if (dev_priv->dsr_enable && dbi_output->dsr_fb_update_done) - dev_priv->dsr_fb_update &= ~damage_mask; - - /*clean IN_DSR flag*/ - dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR; - - dbi_output->dsr_idle_count = 0; - } else { - dbi_output->dsr_idle_count++; - } - - switch (dsr_info->dbi_output_num) { - case 1: - if (dbi_output->dsr_idle_count > MDFLD_DSR_MAX_IDLE_COUNT) - can_enter_dsr = 1; - break; - case 2: - if (dbi_outputs[0]->dsr_idle_count > MDFLD_DSR_MAX_IDLE_COUNT - && dbi_outputs[1]->dsr_idle_count > MDFLD_DSR_MAX_IDLE_COUNT) - can_enter_dsr = 1; - break; - default: - DRM_ERROR("Wrong DBI output number\n"); - } - - /* Try to enter DSR */ - if (can_enter_dsr) { - for (i = 0; i < dsr_info->dbi_output_num; i++) { - if (!mdfld_dbi_is_in_dsr(dev) && dbi_outputs[i] && - !(dbi_outputs[i]->mode_flags & MODE_SETTING_ON_GOING)) { - mdfld_dsi_dbi_enter_dsr(dbi_outputs[i], - dbi_outputs[i]->channel_num ? 2 : 0); -#if 0 - enter_dsr = 1; - pr_err("%s: enter_dsr = 1\n", __func__); -#endif - } - } - /*schedule rpm suspend after gfxrtdelay*/ -#ifdef CONFIG_GFX_RTPM - if (!dev_priv->rpm_enabled - || !enter_dsr - /* || (REG_READ(HDMIB_CONTROL) & HDMIB_PORT_EN) */ - || pm_schedule_suspend(&dev->pdev->dev, gfxrtdelay)) - dev_warn(dev->dev, - "Runtime PM schedule suspend failed, rpm %d\n", - dev_priv->rpm_enabled); -#endif - } -} - -int mdfld_dbi_dsr_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info; - - if (!dsr_info || IS_ERR(dsr_info)) { - dsr_info = kzalloc(sizeof(struct mdfld_dbi_dsr_info), - GFP_KERNEL); - if (!dsr_info) { - dev_err(dev->dev, "No memory\n"); - return -ENOMEM; - } - dev_priv->dbi_dsr_info = dsr_info; - } - return 0; -} - -void mdfld_dbi_dsr_exit(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info; - - if (dsr_info) { - kfree(dsr_info); - dev_priv->dbi_dsr_info = NULL; - } -} - -void mdfld_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config, - int pipe) -{ - struct drm_device *dev = dsi_config->dev; - u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0; - int lane_count = dsi_config->lane_count; - u32 val = 0; - - dev_dbg(dev->dev, "Init DBI interface on pipe %d...\n", pipe); - - /* Un-ready device */ - REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000); - - /* Init dsi adapter before kicking off */ - REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018); - - /* TODO: figure out how to setup these registers */ - REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408); - REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), - 0x000a0014); - REG_WRITE((MIPIA_DBI_BW_CTRL_REG + reg_offset), 0x00000400); - REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000001); - REG_WRITE((MIPIA_HS_LS_DBI_ENABLE_REG + reg_offset), 0x00000000); - - /* Enable all interrupts */ - REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff); - /* Max value: 20 clock cycles of txclkesc */ - REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x0000001f); - /* Min 21 txclkesc, max: ffffh */ - REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0x0000ffff); - /* Min: 7d0 max: 4e20 */ - REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x00000fa0); - - /* Set up func_prg */ - val |= lane_count; - val |= (dsi_config->channel_num << DSI_DBI_VIRT_CHANNEL_OFFSET); - val |= DSI_DBI_COLOR_FORMAT_OPTION2; - REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val); - - REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 0x3fffff); - REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff); - - /* De-assert dbi_stall when half of DBI FIFO is empty */ - /* REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000000); */ - - REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46); - REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000); - REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004); - REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001); -} - -#if 0 -/*DBI encoder helper funcs*/ -static const struct drm_encoder_helper_funcs mdfld_dsi_dbi_helper_funcs = { - .dpms = mdfld_dsi_dbi_dpms, - .mode_fixup = mdfld_dsi_dbi_mode_fixup, - .prepare = mdfld_dsi_dbi_prepare, - .mode_set = mdfld_dsi_dbi_mode_set, - .commit = mdfld_dsi_dbi_commit, -}; - -/*DBI encoder funcs*/ -static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - -#endif - -/* - * Init DSI DBI encoder. - * Allocate an mdfld_dsi_encoder and attach it to given @dsi_connector - * return pointer of newly allocated DBI encoder, NULL on error - */ -struct mdfld_dsi_encoder *mdfld_dsi_dbi_init(struct drm_device *dev, - struct mdfld_dsi_connector *dsi_connector, - struct panel_funcs *p_funcs) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dsi_dbi_output *dbi_output = NULL; - struct mdfld_dsi_config *dsi_config; - struct drm_connector *connector = NULL; - struct drm_encoder *encoder = NULL; - struct drm_display_mode *fixed_mode = NULL; - struct psb_gtt *pg = dev_priv ? (&dev_priv->gtt) : NULL; - struct mdfld_dbi_dpu_info *dpu_info = dev_priv ? (dev_priv->dbi_dpu_info) : NULL; - struct mdfld_dbi_dsr_info *dsr_info = dev_priv ? (dev_priv->dbi_dsr_info) : NULL; - u32 data = 0; - int pipe; - int ret; - - if (!pg || !dsi_connector || !p_funcs) { - WARN_ON(1); - return NULL; - } - - dsi_config = mdfld_dsi_get_config(dsi_connector); - pipe = dsi_connector->pipe; - - /*panel hard-reset*/ - if (p_funcs->reset) { - ret = p_funcs->reset(pipe); - if (ret) { - DRM_ERROR("Panel %d hard-reset failed\n", pipe); - return NULL; - } - } - /* Panel drvIC init */ - if (p_funcs->drv_ic_init) - p_funcs->drv_ic_init(dsi_config, pipe); - - /* Panel power mode detect */ - ret = mdfld_dsi_get_power_mode(dsi_config, - &data, - MDFLD_DSI_HS_TRANSMISSION); - if (ret) { - DRM_ERROR("Panel %d get power mode failed\n", pipe); - dsi_connector->status = connector_status_disconnected; - } else { - DRM_INFO("pipe %d power mode 0x%x\n", pipe, data); - dsi_connector->status = connector_status_connected; - } - - /*TODO: get panel info from DDB*/ - - dbi_output = kzalloc(sizeof(struct mdfld_dsi_dbi_output), GFP_KERNEL); - if (!dbi_output) { - dev_err(dev->dev, "No memory\n"); - return NULL; - } - - if (dsi_connector->pipe == 0) { - dbi_output->channel_num = 0; - dev_priv->dbi_output = dbi_output; - } else if (dsi_connector->pipe == 2) { - dbi_output->channel_num = 1; - dev_priv->dbi_output2 = dbi_output; - } else { - dev_err(dev->dev, "only support 2 DSI outputs\n"); - goto out_err1; - } - - dbi_output->dev = dev; - dbi_output->p_funcs = p_funcs; - fixed_mode = dsi_config->fixed_mode; - dbi_output->panel_fixed_mode = fixed_mode; - - /* Create drm encoder object */ - connector = &dsi_connector->base.base; - encoder = &dbi_output->base.base; - /* Review this if we ever get MIPI-HDMI bridges or similar */ - drm_encoder_init(dev, - encoder, - p_funcs->encoder_funcs, - DRM_MODE_ENCODER_LVDS); - drm_encoder_helper_add(encoder, p_funcs->encoder_helper_funcs); - - /* Attach to given connector */ - drm_mode_connector_attach_encoder(connector, encoder); - - /* Set possible CRTCs and clones */ - if (dsi_connector->pipe) { - encoder->possible_crtcs = (1 << 2); - encoder->possible_clones = (1 << 1); - } else { - encoder->possible_crtcs = (1 << 0); - encoder->possible_clones = (1 << 0); - } - - dev_priv->dsr_fb_update = 0; - dev_priv->dsr_enable = false; - dev_priv->exit_idle = mdfld_dsi_dbi_exit_dsr; - - dbi_output->first_boot = true; - dbi_output->mode_flags = MODE_SETTING_IN_ENCODER; - - /* Add this output to dpu_info if in DPU mode */ - if (dpu_info && dsi_connector->status == connector_status_connected) { - if (dsi_connector->pipe == 0) - dpu_info->dbi_outputs[0] = dbi_output; - else - dpu_info->dbi_outputs[1] = dbi_output; - - dpu_info->dbi_output_num++; - } else if (dsi_connector->status == connector_status_connected) { - /* Add this output to dsr_info if not */ - if (dsi_connector->pipe == 0) - dsr_info->dbi_outputs[0] = dbi_output; - else - dsr_info->dbi_outputs[1] = dbi_output; - - dsr_info->dbi_output_num++; - } - return &dbi_output->base; -out_err1: - kfree(dbi_output); - return NULL; -} diff --git a/drivers/staging/gma500/mdfld_dsi_dbi.h b/drivers/staging/gma500/mdfld_dsi_dbi.h deleted file mode 100644 index f0fa986fd93419..00000000000000 --- a/drivers/staging/gma500/mdfld_dsi_dbi.h +++ /dev/null @@ -1,173 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * jim liu <jim.liu@intel.com> - * Jackie Li<yaodong.li@intel.com> - */ - -#ifndef __MDFLD_DSI_DBI_H__ -#define __MDFLD_DSI_DBI_H__ - -#include <linux/backlight.h> -#include <drm/drmP.h> -#include <drm/drm.h> -#include <drm/drm_crtc.h> -#include <drm/drm_edid.h> - -#include "psb_drv.h" -#include "psb_intel_drv.h" -#include "psb_intel_reg.h" -#include "power.h" - -#include "mdfld_dsi_output.h" -#include "mdfld_output.h" - -/* - * DBI encoder which inherits from mdfld_dsi_encoder - */ -struct mdfld_dsi_dbi_output { - struct mdfld_dsi_encoder base; - struct drm_display_mode *panel_fixed_mode; - u8 last_cmd; - u8 lane_count; - u8 channel_num; - struct drm_device *dev; - - /* Backlight operations */ - - /* DSR timer */ - u32 dsr_idle_count; - bool dsr_fb_update_done; - - /* Mode setting flags */ - u32 mode_flags; - - /* Panel status */ - bool dbi_panel_on; - bool first_boot; - struct panel_funcs *p_funcs; - - /* DPU */ - u32 *dbi_cb_addr; - u32 dbi_cb_phy; - spinlock_t cb_lock; - u32 cb_write; -}; - -#define MDFLD_DSI_DBI_OUTPUT(dsi_encoder) \ - container_of(dsi_encoder, struct mdfld_dsi_dbi_output, base) - -struct mdfld_dbi_dsr_info { - int dbi_output_num; - struct mdfld_dsi_dbi_output *dbi_outputs[2]; - - u32 dsr_idle_count; -}; - -#define DBI_CB_TIMEOUT_COUNT 0xffff - -/* Offsets */ -#define CMD_MEM_ADDR_OFFSET 0 - -#define CMD_DATA_SRC_SYSTEM_MEM 0 -#define CMD_DATA_SRC_PIPE 1 - -static inline int mdfld_dsi_dbi_fifo_ready(struct mdfld_dsi_dbi_output *dbi_output) -{ - struct drm_device *dev = dbi_output->dev; - u32 retry = DBI_CB_TIMEOUT_COUNT; - int reg_offset = (dbi_output->channel_num == 1) ? MIPIC_REG_OFFSET : 0; - int ret = 0; - - /* Query the dbi fifo status*/ - while (retry--) { - if (REG_READ(MIPIA_GEN_FIFO_STAT_REG + reg_offset) & (1 << 27)) - break; - } - - if (!retry) { - DRM_ERROR("Timeout waiting for DBI FIFO empty\n"); - ret = -EAGAIN; - } - return ret; -} - -static inline int mdfld_dsi_dbi_cmd_sent(struct mdfld_dsi_dbi_output *dbi_output) -{ - struct drm_device *dev = dbi_output->dev; - u32 retry = DBI_CB_TIMEOUT_COUNT; - int reg_offset = (dbi_output->channel_num == 1) ? MIPIC_REG_OFFSET : 0; - int ret = 0; - - /* Query the command execution status */ - while (retry--) - if (!(REG_READ(MIPIA_CMD_ADD_REG + reg_offset) & (1 << 0))) - break; - - if (!retry) { - DRM_ERROR("Timeout waiting for DBI command status\n"); - ret = -EAGAIN; - } - - return ret; -} - -static inline int mdfld_dsi_dbi_cb_ready(struct mdfld_dsi_dbi_output *dbi_output) -{ - int ret = 0; - - /* Query the command execution status*/ - ret = mdfld_dsi_dbi_cmd_sent(dbi_output); - if (ret) { - DRM_ERROR("Peripheral is busy\n"); - ret = -EAGAIN; - } - /* Query the dbi fifo status*/ - ret = mdfld_dsi_dbi_fifo_ready(dbi_output); - if (ret) { - DRM_ERROR("DBI FIFO is not empty\n"); - ret = -EAGAIN; - } - return ret; -} - -extern void mdfld_dsi_dbi_output_init(struct drm_device *dev, - struct psb_intel_mode_device *mode_dev, int pipe); -extern void mdfld_dsi_dbi_exit_dsr(struct drm_device *dev, u32 update_src); -extern void mdfld_dsi_dbi_enter_dsr(struct mdfld_dsi_dbi_output *dbi_output, - int pipe); -extern int mdfld_dbi_dsr_init(struct drm_device *dev); -extern void mdfld_dbi_dsr_exit(struct drm_device *dev); -extern struct mdfld_dsi_encoder *mdfld_dsi_dbi_init(struct drm_device *dev, - struct mdfld_dsi_connector *dsi_connector, - struct panel_funcs *p_funcs); -extern int mdfld_dsi_dbi_send_dcs(struct mdfld_dsi_dbi_output *dbi_output, - u8 dcs, u8 *param, u32 num, u8 data_src); -extern int mdfld_dsi_dbi_update_area(struct mdfld_dsi_dbi_output *dbi_output, - u16 x1, u16 y1, u16 x2, u16 y2); -extern int mdfld_dsi_dbi_update_power(struct mdfld_dsi_dbi_output *dbi_output, - int mode); -extern void mdfld_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config, - int pipe); - -#endif /*__MDFLD_DSI_DBI_H__*/ diff --git a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c b/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c deleted file mode 100644 index a4e2ff442b1f8a..00000000000000 --- a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c +++ /dev/null @@ -1,778 +0,0 @@ -/* - * Copyright © 2010-2011 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Jim Liu <jim.liu@intel.com> - * Jackie Li<yaodong.li@intel.com> - */ - -#include "mdfld_dsi_dbi_dpu.h" -#include "mdfld_dsi_dbi.h" - -/* - * NOTE: all mdlfd_x_damage funcs should be called by holding dpu_update_lock - */ - -static int mdfld_cursor_damage(struct mdfld_dbi_dpu_info *dpu_info, - mdfld_plane_t plane, - struct psb_drm_dpu_rect *damaged_rect) -{ - int x, y; - int new_x, new_y; - struct psb_drm_dpu_rect *rect; - struct psb_drm_dpu_rect *pipe_rect; - int cursor_size; - struct mdfld_cursor_info *cursor; - mdfld_plane_t fb_plane; - - if (plane == MDFLD_CURSORA) { - cursor = &dpu_info->cursors[0]; - x = dpu_info->cursors[0].x; - y = dpu_info->cursors[0].y; - cursor_size = dpu_info->cursors[0].size; - pipe_rect = &dpu_info->damage_pipea; - fb_plane = MDFLD_PLANEA; - } else { - cursor = &dpu_info->cursors[1]; - x = dpu_info->cursors[1].x; - y = dpu_info->cursors[1].y; - cursor_size = dpu_info->cursors[1].size; - pipe_rect = &dpu_info->damage_pipec; - fb_plane = MDFLD_PLANEC; - } - new_x = damaged_rect->x; - new_y = damaged_rect->y; - - if (x == new_x && y == new_y) - return 0; - - rect = &dpu_info->damaged_rects[plane]; - /* Move to right */ - if (new_x >= x) { - if (new_y > y) { - rect->x = x; - rect->y = y; - rect->width = (new_x + cursor_size) - x; - rect->height = (new_y + cursor_size) - y; - goto cursor_out; - } else { - rect->x = x; - rect->y = new_y; - rect->width = (new_x + cursor_size) - x; - rect->height = (y - new_y); - goto cursor_out; - } - } else { - if (new_y > y) { - rect->x = new_x; - rect->y = y; - rect->width = (x + cursor_size) - new_x; - rect->height = new_y - y; - goto cursor_out; - } else { - rect->x = new_x; - rect->y = new_y; - rect->width = (x + cursor_size) - new_x; - rect->height = (y + cursor_size) - new_y; - } - } -cursor_out: - if (new_x < 0) - cursor->x = 0; - else if (new_x > 864) - cursor->x = 864; - else - cursor->x = new_x; - - if (new_y < 0) - cursor->y = 0; - else if (new_y > 480) - cursor->y = 480; - else - cursor->y = new_y; - - /* - * FIXME: this is a workaround for cursor plane update, - * remove it later! - */ - rect->x = 0; - rect->y = 0; - rect->width = 864; - rect->height = 480; - - mdfld_check_boundary(dpu_info, rect); - mdfld_dpu_region_extent(pipe_rect, rect); - - /* Update pending status of dpu_info */ - dpu_info->pending |= (1 << plane); - /* Update fb panel as well */ - dpu_info->pending |= (1 << fb_plane); - return 0; -} - -static int mdfld_fb_damage(struct mdfld_dbi_dpu_info *dpu_info, - mdfld_plane_t plane, - struct psb_drm_dpu_rect *damaged_rect) -{ - struct psb_drm_dpu_rect *rect; - - if (plane == MDFLD_PLANEA) - rect = &dpu_info->damage_pipea; - else - rect = &dpu_info->damage_pipec; - - mdfld_check_boundary(dpu_info, damaged_rect); - - /* Add fb damage area to this pipe */ - mdfld_dpu_region_extent(rect, damaged_rect); - - /* Update pending status of dpu_info */ - dpu_info->pending |= (1 << plane); - return 0; -} - -/* Do nothing here, right now */ -static int mdfld_overlay_damage(struct mdfld_dbi_dpu_info *dpu_info, - mdfld_plane_t plane, - struct psb_drm_dpu_rect *damaged_rect) -{ - return 0; -} - -int mdfld_dbi_dpu_report_damage(struct drm_device *dev, - mdfld_plane_t plane, - struct psb_drm_dpu_rect *rect) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info; - int ret = 0; - - /* DPU not in use, no damage reporting needed */ - if (dpu_info == NULL) - return 0; - - spin_lock(&dpu_info->dpu_update_lock); - - switch (plane) { - case MDFLD_PLANEA: - case MDFLD_PLANEC: - mdfld_fb_damage(dpu_info, plane, rect); - break; - case MDFLD_CURSORA: - case MDFLD_CURSORC: - mdfld_cursor_damage(dpu_info, plane, rect); - break; - case MDFLD_OVERLAYA: - case MDFLD_OVERLAYC: - mdfld_overlay_damage(dpu_info, plane, rect); - break; - default: - DRM_ERROR("Invalid plane type %d\n", plane); - ret = -EINVAL; - } - spin_unlock(&dpu_info->dpu_update_lock); - return ret; -} - -int mdfld_dbi_dpu_report_fullscreen_damage(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv; - struct mdfld_dbi_dpu_info *dpu_info; - struct mdfld_dsi_config *dsi_config; - struct psb_drm_dpu_rect rect; - int i; - - if (!dev) { - DRM_ERROR("Invalid parameter\n"); - return -EINVAL; - } - - dev_priv = dev->dev_private; - dpu_info = dev_priv->dbi_dpu_info; - - /* This is fine - we may be in non DPU mode */ - if (!dpu_info) - return -EINVAL; - - for (i = 0; i < dpu_info->dbi_output_num; i++) { - dsi_config = dev_priv->dsi_configs[i]; - if (dsi_config) { - rect.x = rect.y = 0; - rect.width = dsi_config->fixed_mode->hdisplay; - rect.height = dsi_config->fixed_mode->vdisplay; - mdfld_dbi_dpu_report_damage(dev, - i ? (MDFLD_PLANEC) : (MDFLD_PLANEA), - &rect); - } - } - /* Exit DSR state */ - mdfld_dpu_exit_dsr(dev); - return 0; -} - -int mdfld_dsi_dbi_dsr_off(struct drm_device *dev, - struct psb_drm_dpu_rect *rect) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info; - - mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, rect); - - /* If dual display mode */ - if (dpu_info->dbi_output_num == 2) - mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, rect); - - /* Force dsi to exit DSR mode */ - mdfld_dpu_exit_dsr(dev); - return 0; -} - -static void mdfld_dpu_cursor_plane_flush(struct mdfld_dbi_dpu_info *dpu_info, - mdfld_plane_t plane) -{ - struct drm_device *dev = dpu_info->dev; - u32 curpos_reg = CURAPOS; - u32 curbase_reg = CURABASE; - u32 curcntr_reg = CURACNTR; - struct mdfld_cursor_info *cursor = &dpu_info->cursors[0]; - - if (plane == MDFLD_CURSORC) { - curpos_reg = CURCPOS; - curbase_reg = CURCBASE; - curcntr_reg = CURCCNTR; - cursor = &dpu_info->cursors[1]; - } - - REG_WRITE(curcntr_reg, REG_READ(curcntr_reg)); - REG_WRITE(curpos_reg, - (((cursor->x & CURSOR_POS_MASK) << CURSOR_X_SHIFT) | - ((cursor->y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT))); - REG_WRITE(curbase_reg, REG_READ(curbase_reg)); -} - -static void mdfld_dpu_fb_plane_flush(struct mdfld_dbi_dpu_info *dpu_info, - mdfld_plane_t plane) -{ - u32 pipesrc_reg = PIPEASRC; - u32 dspsize_reg = DSPASIZE; - u32 dspoff_reg = DSPALINOFF; - u32 dspsurf_reg = DSPASURF; - u32 dspstride_reg = DSPASTRIDE; - u32 stride; - struct psb_drm_dpu_rect *rect = &dpu_info->damage_pipea; - struct drm_device *dev = dpu_info->dev; - - if (plane == MDFLD_PLANEC) { - pipesrc_reg = PIPECSRC; - dspsize_reg = DSPCSIZE; - dspoff_reg = DSPCLINOFF; - dspsurf_reg = DSPCSURF; - dspstride_reg = DSPCSTRIDE; - rect = &dpu_info->damage_pipec; - } - - stride = REG_READ(dspstride_reg); - /* FIXME: should I do the pipe src update here? */ - REG_WRITE(pipesrc_reg, ((rect->width - 1) << 16) | (rect->height - 1)); - /* Flush plane */ - REG_WRITE(dspsize_reg, ((rect->height - 1) << 16) | (rect->width - 1)); - REG_WRITE(dspoff_reg, ((rect->x * 4) + (rect->y * stride))); - REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg)); - - /* - * TODO: wait for flip finished and restore the pipesrc reg, - * or cursor will be show at a wrong position - */ -} - -static void mdfld_dpu_overlay_plane_flush(struct mdfld_dbi_dpu_info *dpu_info, - mdfld_plane_t plane) -{ -} - -/* - * TODO: we are still in dbi normal mode now, we will try to use partial - * mode later. - */ -static int mdfld_dbi_prepare_cb(struct mdfld_dsi_dbi_output *dbi_output, - struct mdfld_dbi_dpu_info *dpu_info, int pipe) -{ - u8 *cb_addr = (u8 *)dbi_output->dbi_cb_addr; - u32 *index; - struct psb_drm_dpu_rect *rect = pipe ? - (&dpu_info->damage_pipec) : (&dpu_info->damage_pipea); - - /* FIXME: lock command buffer, this may lead to a deadlock, - as we already hold the dpu_update_lock */ - if (!spin_trylock(&dbi_output->cb_lock)) { - DRM_ERROR("lock command buffer failed, try again\n"); - return -EAGAIN; - } - - index = &dbi_output->cb_write; - - if (*index) { - DRM_ERROR("DBI command buffer unclean\n"); - return -EAGAIN; - } - - /* Column address */ - *(cb_addr + ((*index)++)) = set_column_address; - *(cb_addr + ((*index)++)) = rect->x >> 8; - *(cb_addr + ((*index)++)) = rect->x; - *(cb_addr + ((*index)++)) = (rect->x + rect->width - 1) >> 8; - *(cb_addr + ((*index)++)) = (rect->x + rect->width - 1); - - *index = 8; - - /* Page address */ - *(cb_addr + ((*index)++)) = set_page_addr; - *(cb_addr + ((*index)++)) = rect->y >> 8; - *(cb_addr + ((*index)++)) = rect->y; - *(cb_addr + ((*index)++)) = (rect->y + rect->height - 1) >> 8; - *(cb_addr + ((*index)++)) = (rect->y + rect->height - 1); - - *index = 16; - - /*write memory*/ - *(cb_addr + ((*index)++)) = write_mem_start; - - return 0; -} - -static int mdfld_dbi_flush_cb(struct mdfld_dsi_dbi_output *dbi_output, int pipe) -{ - u32 cmd_phy = dbi_output->dbi_cb_phy; - u32 *index = &dbi_output->cb_write; - int reg_offset = pipe ? MIPIC_REG_OFFSET : 0; - struct drm_device *dev = dbi_output->dev; - - if (*index == 0 || !dbi_output) - return 0; - - REG_WRITE((MIPIA_CMD_LEN_REG + reg_offset), 0x010505); - REG_WRITE((MIPIA_CMD_ADD_REG + reg_offset), cmd_phy | 3); - - *index = 0; - - /* FIXME: unlock command buffer */ - spin_unlock(&dbi_output->cb_lock); - return 0; -} - -static int mdfld_dpu_update_pipe(struct mdfld_dsi_dbi_output *dbi_output, - struct mdfld_dbi_dpu_info *dpu_info, int pipe) -{ - struct drm_device *dev = dbi_output->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - mdfld_plane_t cursor_plane = MDFLD_CURSORA; - mdfld_plane_t fb_plane = MDFLD_PLANEA; - mdfld_plane_t overlay_plane = MDFLD_OVERLAYA; - int ret = 0; - u32 plane_mask = MDFLD_PIPEA_PLANE_MASK; - - /* Damaged rects on this pipe */ - if (pipe) { - cursor_plane = MDFLD_CURSORC; - fb_plane = MDFLD_PLANEC; - overlay_plane = MDFLD_OVERLAYC; - plane_mask = MDFLD_PIPEC_PLANE_MASK; - } - - /*update cursor which assigned to @pipe*/ - if (dpu_info->pending & (1 << cursor_plane)) - mdfld_dpu_cursor_plane_flush(dpu_info, cursor_plane); - - /*update fb which assigned to @pipe*/ - if (dpu_info->pending & (1 << fb_plane)) - mdfld_dpu_fb_plane_flush(dpu_info, fb_plane); - - /* TODO: update overlay */ - if (dpu_info->pending & (1 << overlay_plane)) - mdfld_dpu_overlay_plane_flush(dpu_info, overlay_plane); - - /* Flush damage area to panel fb */ - if (dpu_info->pending & plane_mask) { - ret = mdfld_dbi_prepare_cb(dbi_output, dpu_info, pipe); - /* - * TODO: remove b_dsr_enable later, - * added it so that text console could boot smoothly - */ - /* Clean pending flags on this pipe */ - if (!ret && dev_priv->dsr_enable) { - dpu_info->pending &= ~plane_mask; - /* Reset overlay pipe damage rect */ - mdfld_dpu_init_damage(dpu_info, pipe); - } - } - return ret; -} - -static int mdfld_dpu_update_fb(struct drm_device *dev) -{ - struct drm_crtc *crtc; - struct psb_intel_crtc *psb_crtc; - struct mdfld_dsi_dbi_output **dbi_output; - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info; - bool pipe_updated[2]; - unsigned long irq_flags; - u32 dpll_reg = MRST_DPLL_A; - u32 dspcntr_reg = DSPACNTR; - u32 pipeconf_reg = PIPEACONF; - u32 dsplinoff_reg = DSPALINOFF; - u32 dspsurf_reg = DSPASURF; - u32 mipi_state_reg = MIPIA_INTR_STAT_REG; - u32 reg_offset = 0; - int pipe; - int i; - int ret; - - dbi_output = dpu_info->dbi_outputs; - pipe_updated[0] = pipe_updated[1] = false; - - if (!gma_power_begin(dev, true)) - return -EAGAIN; - - /* Try to prevent any new damage reports */ - if (!spin_trylock_irqsave(&dpu_info->dpu_update_lock, irq_flags)) - return -EAGAIN; - - for (i = 0; i < dpu_info->dbi_output_num; i++) { - crtc = dbi_output[i]->base.base.crtc; - psb_crtc = (crtc) ? to_psb_intel_crtc(crtc) : NULL; - - pipe = dbi_output[i]->channel_num ? 2 : 0; - - if (pipe == 2) { - dspcntr_reg = DSPCCNTR; - pipeconf_reg = PIPECCONF; - dsplinoff_reg = DSPCLINOFF; - dspsurf_reg = DSPCSURF; - reg_offset = MIPIC_REG_OFFSET; - } - - if (!(REG_READ((MIPIA_GEN_FIFO_STAT_REG + reg_offset)) - & (1 << 27)) || - !(REG_READ(dpll_reg) & DPLL_VCO_ENABLE) || - !(REG_READ(dspcntr_reg) & DISPLAY_PLANE_ENABLE) || - !(REG_READ(pipeconf_reg) & DISPLAY_PLANE_ENABLE)) { - dev_err(dev->dev, - "DBI FIFO is busy, DSI %d state %x\n", - pipe, - REG_READ(mipi_state_reg + reg_offset)); - continue; - } - - /* - * If DBI output is in a exclusive state then the pipe - * change won't be updated - */ - if (dbi_output[i]->dbi_panel_on && - !(dbi_output[i]->mode_flags & MODE_SETTING_ON_GOING) && - !(psb_crtc && - psb_crtc->mode_flags & MODE_SETTING_ON_GOING) && - !(dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR)) { - ret = mdfld_dpu_update_pipe(dbi_output[i], - dpu_info, dbi_output[i]->channel_num ? 2 : 0); - if (!ret) - pipe_updated[i] = true; - } - } - - for (i = 0; i < dpu_info->dbi_output_num; i++) - if (pipe_updated[i]) - mdfld_dbi_flush_cb(dbi_output[i], - dbi_output[i]->channel_num ? 2 : 0); - - spin_unlock_irqrestore(&dpu_info->dpu_update_lock, irq_flags); - gma_power_end(dev); - return 0; -} - -static int __mdfld_dbi_exit_dsr(struct mdfld_dsi_dbi_output *dbi_output, - int pipe) -{ - struct drm_device *dev = dbi_output->dev; - struct drm_crtc *crtc = dbi_output->base.base.crtc; - struct psb_intel_crtc *psb_crtc = (crtc) ? to_psb_intel_crtc(crtc) - : NULL; - u32 reg_val; - u32 dpll_reg = MRST_DPLL_A; - u32 pipeconf_reg = PIPEACONF; - u32 dspcntr_reg = DSPACNTR; - u32 dspbase_reg = DSPABASE; - u32 dspsurf_reg = DSPASURF; - u32 reg_offset = 0; - - if (!dbi_output) - return 0; - - /* If mode setting on-going, back off */ - if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) || - (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING)) - return -EAGAIN; - - if (pipe == 2) { - dpll_reg = MRST_DPLL_A; - pipeconf_reg = PIPECCONF; - dspcntr_reg = DSPCCNTR; - dspbase_reg = MDFLD_DSPCBASE; - dspsurf_reg = DSPCSURF; - - reg_offset = MIPIC_REG_OFFSET; - } - - if (!gma_power_begin(dev, true)) - return -EAGAIN; - - /* Enable DPLL */ - reg_val = REG_READ(dpll_reg); - if (!(reg_val & DPLL_VCO_ENABLE)) { - - if (reg_val & MDFLD_PWR_GATE_EN) { - reg_val &= ~MDFLD_PWR_GATE_EN; - REG_WRITE(dpll_reg, reg_val); - REG_READ(dpll_reg); - udelay(500); - } - - reg_val |= DPLL_VCO_ENABLE; - REG_WRITE(dpll_reg, reg_val); - REG_READ(dpll_reg); - udelay(500); - - /* FIXME: add timeout */ - while (!(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) - cpu_relax(); - } - - /* Enable pipe */ - reg_val = REG_READ(pipeconf_reg); - if (!(reg_val & PIPEACONF_ENABLE)) { - reg_val |= PIPEACONF_ENABLE; - REG_WRITE(pipeconf_reg, reg_val); - REG_READ(pipeconf_reg); - udelay(500); - mdfldWaitForPipeEnable(dev, pipe); - } - - /* Enable plane */ - reg_val = REG_READ(dspcntr_reg); - if (!(reg_val & DISPLAY_PLANE_ENABLE)) { - reg_val |= DISPLAY_PLANE_ENABLE; - REG_WRITE(dspcntr_reg, reg_val); - REG_READ(dspcntr_reg); - udelay(500); - } - - gma_power_end(dev); - - /* Clean IN_DSR flag */ - dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR; - - return 0; -} - -int mdfld_dpu_exit_dsr(struct drm_device *dev) -{ - struct mdfld_dsi_dbi_output **dbi_output; - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info; - int i; - int pipe; - - dbi_output = dpu_info->dbi_outputs; - - for (i = 0; i < dpu_info->dbi_output_num; i++) { - /* If this output is not in DSR mode, don't call exit dsr */ - if (dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR) - __mdfld_dbi_exit_dsr(dbi_output[i], - dbi_output[i]->channel_num ? 2 : 0); - } - - /* Enable TE interrupt */ - for (i = 0; i < dpu_info->dbi_output_num; i++) { - /* If this output is not in DSR mode, don't call exit dsr */ - pipe = dbi_output[i]->channel_num ? 2 : 0; - if (dbi_output[i]->dbi_panel_on && pipe) { - mdfld_disable_te(dev, 0); - mdfld_enable_te(dev, 2); - } else if (dbi_output[i]->dbi_panel_on && !pipe) { - mdfld_disable_te(dev, 2); - mdfld_enable_te(dev, 0); - } - } - return 0; -} - -static int mdfld_dpu_enter_dsr(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info; - struct mdfld_dsi_dbi_output **dbi_output; - int i; - - dbi_output = dpu_info->dbi_outputs; - - for (i = 0; i < dpu_info->dbi_output_num; i++) { - /* If output is off or already in DSR state, don't re-enter */ - if (dbi_output[i]->dbi_panel_on && - !(dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR)) { - mdfld_dsi_dbi_enter_dsr(dbi_output[i], - dbi_output[i]->channel_num ? 2 : 0); - } - } - - return 0; -} - -static void mdfld_dbi_dpu_timer_func(unsigned long data) -{ - struct drm_device *dev = (struct drm_device *)data; - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info; - struct timer_list *dpu_timer = &dpu_info->dpu_timer; - unsigned long flags; - - if (dpu_info->pending) { - dpu_info->idle_count = 0; - /* Update panel fb with damaged area */ - mdfld_dpu_update_fb(dev); - } else { - dpu_info->idle_count++; - } - - if (dpu_info->idle_count >= MDFLD_MAX_IDLE_COUNT) { - mdfld_dpu_enter_dsr(dev); - /* Stop timer by return */ - return; - } - - spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags); - if (!timer_pending(dpu_timer)) { - dpu_timer->expires = jiffies + MDFLD_DSR_DELAY; - add_timer(dpu_timer); - } - spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags); -} - -void mdfld_dpu_update_panel(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info; - - if (dpu_info->pending) { - dpu_info->idle_count = 0; - - /*update panel fb with damaged area*/ - mdfld_dpu_update_fb(dev); - } else { - dpu_info->idle_count++; - } - - if (dpu_info->idle_count >= MDFLD_MAX_IDLE_COUNT) { - /*enter dsr*/ - mdfld_dpu_enter_dsr(dev); - } -} - -static int mdfld_dbi_dpu_timer_init(struct drm_device *dev, - struct mdfld_dbi_dpu_info *dpu_info) -{ - struct timer_list *dpu_timer = &dpu_info->dpu_timer; - unsigned long flags; - - spin_lock_init(&dpu_info->dpu_timer_lock); - spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags); - - init_timer(dpu_timer); - - dpu_timer->data = (unsigned long)dev; - dpu_timer->function = mdfld_dbi_dpu_timer_func; - dpu_timer->expires = jiffies + MDFLD_DSR_DELAY; - - spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags); - - return 0; -} - -void mdfld_dbi_dpu_timer_start(struct mdfld_dbi_dpu_info *dpu_info) -{ - struct timer_list *dpu_timer = &dpu_info->dpu_timer; - unsigned long flags; - - spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags); - if (!timer_pending(dpu_timer)) { - dpu_timer->expires = jiffies + MDFLD_DSR_DELAY; - add_timer(dpu_timer); - } - spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags); -} - -int mdfld_dbi_dpu_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info; - - if (!dpu_info || IS_ERR(dpu_info)) { - dpu_info = kzalloc(sizeof(struct mdfld_dbi_dpu_info), - GFP_KERNEL); - if (!dpu_info) { - DRM_ERROR("No memory\n"); - return -ENOMEM; - } - dev_priv->dbi_dpu_info = dpu_info; - } - - dpu_info->dev = dev; - - dpu_info->cursors[0].size = MDFLD_CURSOR_SIZE; - dpu_info->cursors[1].size = MDFLD_CURSOR_SIZE; - - /*init dpu_update_lock*/ - spin_lock_init(&dpu_info->dpu_update_lock); - - /*init dpu refresh timer*/ - mdfld_dbi_dpu_timer_init(dev, dpu_info); - - /*init pipe damage area*/ - mdfld_dpu_init_damage(dpu_info, 0); - mdfld_dpu_init_damage(dpu_info, 2); - - return 0; -} - -void mdfld_dbi_dpu_exit(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info; - - if (!dpu_info) - return; - - del_timer_sync(&dpu_info->dpu_timer); - kfree(dpu_info); - dev_priv->dbi_dpu_info = NULL; -} - - diff --git a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h b/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h deleted file mode 100644 index 42367ed48c0815..00000000000000 --- a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h +++ /dev/null @@ -1,154 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * jim liu <jim.liu@intel.com> - * Jackie Li<yaodong.li@intel.com> - */ - -#ifndef __MDFLD_DSI_DBI_DPU_H__ -#define __MDFLD_DSI_DBI_DPU_H__ - -#include "mdfld_dsi_dbi.h" - -typedef enum { - MDFLD_PLANEA, - MDFLD_PLANEC, - MDFLD_CURSORA, - MDFLD_CURSORC, - MDFLD_OVERLAYA, - MDFLD_OVERLAYC, - MDFLD_PLANE_NUM, -} mdfld_plane_t; - -#define MDFLD_PIPEA_PLANE_MASK 0x15 -#define MDFLD_PIPEC_PLANE_MASK 0x2A - -struct mdfld_cursor_info { - int x, y; - int size; -}; - -#define MDFLD_CURSOR_SIZE 64 - -/* - * enter DSR mode if screen has no update for 2 frames. - */ -#define MDFLD_MAX_IDLE_COUNT 2 - -struct mdfld_dbi_dpu_info { - struct drm_device *dev; - /* Lock */ - spinlock_t dpu_update_lock; - - /* Cursor postion */ - struct mdfld_cursor_info cursors[2]; - - /* Damaged area for each plane */ - struct psb_drm_dpu_rect damaged_rects[MDFLD_PLANE_NUM]; - - /* Final damaged area */ - struct psb_drm_dpu_rect damage_pipea; - struct psb_drm_dpu_rect damage_pipec; - - /* Pending */ - u32 pending; - - /* DPU timer */ - struct timer_list dpu_timer; - spinlock_t dpu_timer_lock; - - /* DPU idle count */ - u32 idle_count; - - /* DSI outputs */ - struct mdfld_dsi_dbi_output *dbi_outputs[2]; - int dbi_output_num; -}; - -static inline int mdfld_dpu_region_extent(struct psb_drm_dpu_rect *origin, - struct psb_drm_dpu_rect *rect) -{ - int x1, y1, x2, y2; - - x1 = origin->x + origin->width; - y1 = origin->y + origin->height; - - x2 = rect->x + rect->width; - y2 = rect->y + rect->height; - - origin->x = min(origin->x, rect->x); - origin->y = min(origin->y, rect->y); - origin->width = max(x1, x2) - origin->x; - origin->height = max(y1, y2) - origin->y; - - return 0; -} - -static inline void mdfld_check_boundary(struct mdfld_dbi_dpu_info *dpu_info, - struct psb_drm_dpu_rect *rect) -{ - if (rect->x < 0) - rect->x = 0; - if (rect->y < 0) - rect->y = 0; - - if (rect->x + rect->width > 864) - rect->width = 864 - rect->x; - if (rect->y + rect->height > 480) - rect->height = 480 - rect->height; - - if (!rect->width) - rect->width = 1; - if (!rect->height) - rect->height = 1; -} - -static inline void mdfld_dpu_init_damage(struct mdfld_dbi_dpu_info *dpu_info, - int pipe) -{ - struct psb_drm_dpu_rect *rect; - - if (pipe == 0) - rect = &dpu_info->damage_pipea; - else - rect = &dpu_info->damage_pipec; - - rect->x = 864; - rect->y = 480; - rect->width = -864; - rect->height = -480; -} - -extern int mdfld_dsi_dbi_dsr_off(struct drm_device *dev, - struct psb_drm_dpu_rect *rect); -extern int mdfld_dbi_dpu_report_damage(struct drm_device *dev, - mdfld_plane_t plane, - struct psb_drm_dpu_rect *rect); -extern int mdfld_dbi_dpu_report_fullscreen_damage(struct drm_device *dev); -extern int mdfld_dpu_exit_dsr(struct drm_device *dev); -extern void mdfld_dbi_dpu_timer_start(struct mdfld_dbi_dpu_info *dpu_info); -extern int mdfld_dbi_dpu_init(struct drm_device *dev); -extern void mdfld_dbi_dpu_exit(struct drm_device *dev); -extern void mdfld_dpu_update_panel(struct drm_device *dev); - -#endif /*__MDFLD_DSI_DBI_DPU_H__*/ diff --git a/drivers/staging/gma500/mdfld_dsi_dpi.c b/drivers/staging/gma500/mdfld_dsi_dpi.c deleted file mode 100644 index e685f1217baa89..00000000000000 --- a/drivers/staging/gma500/mdfld_dsi_dpi.c +++ /dev/null @@ -1,805 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * jim liu <jim.liu@intel.com> - * Jackie Li<yaodong.li@intel.com> - */ - -#include "mdfld_dsi_dpi.h" -#include "mdfld_output.h" -#include "mdfld_dsi_pkg_sender.h" - - -static void mdfld_wait_for_HS_DATA_FIFO(struct drm_device *dev, u32 pipe) -{ - u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG; - int timeout = 0; - - if (pipe == 2) - gen_fifo_stat_reg += MIPIC_REG_OFFSET; - - udelay(500); - - /* This will time out after approximately 2+ seconds */ - while ((timeout < 20000) && (REG_READ(gen_fifo_stat_reg) & DSI_FIFO_GEN_HS_DATA_FULL)) { - udelay(100); - timeout++; - } - - if (timeout == 20000) - dev_warn(dev->dev, "MIPI: HS Data FIFO was never cleared!\n"); -} - -static void mdfld_wait_for_HS_CTRL_FIFO(struct drm_device *dev, u32 pipe) -{ - u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG; - int timeout = 0; - - if (pipe == 2) - gen_fifo_stat_reg += MIPIC_REG_OFFSET; - - udelay(500); - - /* This will time out after approximately 2+ seconds */ - while ((timeout < 20000) && (REG_READ(gen_fifo_stat_reg) & DSI_FIFO_GEN_HS_CTRL_FULL)) { - udelay(100); - timeout++; - } - if (timeout == 20000) - dev_warn(dev->dev, "MIPI: HS CMD FIFO was never cleared!\n"); -} - -static void mdfld_wait_for_DPI_CTRL_FIFO(struct drm_device *dev, u32 pipe) -{ - u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG; - int timeout = 0; - - if (pipe == 2) - gen_fifo_stat_reg += MIPIC_REG_OFFSET; - - udelay(500); - - /* This will time out after approximately 2+ seconds */ - while ((timeout < 20000) && ((REG_READ(gen_fifo_stat_reg) & DPI_FIFO_EMPTY) - != DPI_FIFO_EMPTY)) { - udelay(100); - timeout++; - } - - if (timeout == 20000) - dev_warn(dev->dev, "MIPI: DPI FIFO was never cleared!\n"); -} - -static void mdfld_wait_for_SPL_PKG_SENT(struct drm_device *dev, u32 pipe) -{ - u32 intr_stat_reg = MIPIA_INTR_STAT_REG; - int timeout = 0; - - if (pipe == 2) - intr_stat_reg += MIPIC_REG_OFFSET; - - udelay(500); - - /* This will time out after approximately 2+ seconds */ - while ((timeout < 20000) && (!(REG_READ(intr_stat_reg) & DSI_INTR_STATE_SPL_PKG_SENT))) { - udelay(100); - timeout++; - } - - if (timeout == 20000) - dev_warn(dev->dev, "MIPI: SPL_PKT_SENT_INTERRUPT was not sent successfully!\n"); -} - - -/* ************************************************************************* *\ - * FUNCTION: mdfld_dsi_tpo_ic_init - * - * DESCRIPTION: This function is called only by mrst_dsi_mode_set and - * restore_display_registers. since this function does not - * acquire the mutex, it is important that the calling function - * does! -\* ************************************************************************* */ -void mdfld_dsi_tpo_ic_init(struct mdfld_dsi_config *dsi_config, u32 pipe) -{ - struct drm_device *dev = dsi_config->dev; - u32 dcsChannelNumber = dsi_config->channel_num; - u32 gen_data_reg = MIPIA_HS_GEN_DATA_REG; - u32 gen_ctrl_reg = MIPIA_HS_GEN_CTRL_REG; - u32 gen_ctrl_val = GEN_LONG_WRITE; - - if (pipe == 2) { - gen_data_reg = HS_GEN_DATA_REG + MIPIC_REG_OFFSET; - gen_ctrl_reg = HS_GEN_CTRL_REG + MIPIC_REG_OFFSET; - } - - gen_ctrl_val |= dcsChannelNumber << DCS_CHANNEL_NUMBER_POS; - - /* Flip page order */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x00008036); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS)); - - /* 0xF0 */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x005a5af0); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS)); - - /* Write protection key */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x005a5af1); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS)); - - /* 0xFC */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x005a5afc); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS)); - - /* 0xB7 */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x770000b7); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x00000044); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x05 << WORD_COUNTS_POS)); - - /* 0xB6 */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x000a0ab6); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS)); - - /* 0xF2 */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x081010f2); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x4a070708); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x000000c5); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS)); - - /* 0xF8 */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x024003f8); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x01030a04); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x0e020220); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x00000004); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x0d << WORD_COUNTS_POS)); - - /* 0xE2 */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x398fc3e2); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x0000916f); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x06 << WORD_COUNTS_POS)); - - /* 0xB0 */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x000000b0); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS)); - - /* 0xF4 */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x240242f4); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x78ee2002); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x2a071050); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x507fee10); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x10300710); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x14 << WORD_COUNTS_POS)); - - /* 0xBA */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x19fe07ba); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x101c0a31); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x00000010); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS)); - - /* 0xBB */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x28ff07bb); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x24280a31); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x00000034); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS)); - - /* 0xFB */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x535d05fb); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x1b1a2130); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x221e180e); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x131d2120); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x535d0508); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x1c1a2131); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x231f160d); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x111b2220); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x535c2008); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x1f1d2433); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x2c251a10); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x2c34372d); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x00000023); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS)); - - /* 0xFA */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x525c0bfa); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x1c1c232f); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x2623190e); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x18212625); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x545d0d0e); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x1e1d2333); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x26231a10); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x1a222725); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x545d280f); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x21202635); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x31292013); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x31393d33); - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x00000029); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS)); - - /* Set DM */ - mdfld_wait_for_HS_DATA_FIFO(dev, pipe); - REG_WRITE(gen_data_reg, 0x000100f7); - mdfld_wait_for_HS_CTRL_FIFO(dev, pipe); - REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS)); -} - -static u16 mdfld_dsi_dpi_to_byte_clock_count(int pixel_clock_count, - int num_lane, int bpp) -{ - return (u16)((pixel_clock_count * bpp) / (num_lane * 8)); -} - -/* - * Calculate the dpi time basing on a given drm mode @mode - * return 0 on success. - * FIXME: I was using proposed mode value for calculation, may need to - * use crtc mode values later - */ -int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode, - struct mdfld_dsi_dpi_timing *dpi_timing, - int num_lane, int bpp) -{ - int pclk_hsync, pclk_hfp, pclk_hbp, pclk_hactive; - int pclk_vsync, pclk_vfp, pclk_vbp, pclk_vactive; - - if(!mode || !dpi_timing) { - DRM_ERROR("Invalid parameter\n"); - return -EINVAL; - } - - pclk_hactive = mode->hdisplay; - pclk_hfp = mode->hsync_start - mode->hdisplay; - pclk_hsync = mode->hsync_end - mode->hsync_start; - pclk_hbp = mode->htotal - mode->hsync_end; - - pclk_vactive = mode->vdisplay; - pclk_vfp = mode->vsync_start - mode->vdisplay; - pclk_vsync = mode->vsync_end - mode->vsync_start; - pclk_vbp = mode->vtotal - mode->vsync_end; - - /* - * byte clock counts were calculated by following formula - * bclock_count = pclk_count * bpp / num_lane / 8 - */ - dpi_timing->hsync_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hsync, num_lane, bpp); - dpi_timing->hbp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hbp, num_lane, bpp); - dpi_timing->hfp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hfp, num_lane, bpp); - dpi_timing->hactive_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hactive, num_lane, bpp); - dpi_timing->vsync_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vsync, num_lane, bpp); - dpi_timing->vbp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vbp, num_lane, bpp); - dpi_timing->vfp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vfp, num_lane, bpp); - - return 0; -} - -void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *dsi_config, int pipe) -{ - struct drm_device *dev = dsi_config->dev; - u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0; - int lane_count = dsi_config->lane_count; - struct mdfld_dsi_dpi_timing dpi_timing; - struct drm_display_mode *mode = dsi_config->mode; - u32 val = 0; - - /*un-ready device*/ - REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000); - - /*init dsi adapter before kicking off*/ - REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018); - - /*enable all interrupts*/ - REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff); - - - /*set up func_prg*/ - val |= lane_count; - val |= dsi_config->channel_num << DSI_DPI_VIRT_CHANNEL_OFFSET; - - switch(dsi_config->bpp) { - case 16: - val |= DSI_DPI_COLOR_FORMAT_RGB565; - break; - case 18: - val |= DSI_DPI_COLOR_FORMAT_RGB666; - break; - case 24: - val |= DSI_DPI_COLOR_FORMAT_RGB888; - break; - default: - DRM_ERROR("unsupported color format, bpp = %d\n", dsi_config->bpp); - } - REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val); - - REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), - (mode->vtotal * mode->htotal * dsi_config->bpp / (8 * lane_count)) & DSI_HS_TX_TIMEOUT_MASK); - REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff & DSI_LP_RX_TIMEOUT_MASK); - - /*max value: 20 clock cycles of txclkesc*/ - REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x14 & DSI_TURN_AROUND_TIMEOUT_MASK); - - /*min 21 txclkesc, max: ffffh*/ - REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0xffff & DSI_RESET_TIMER_MASK); - - REG_WRITE((MIPIA_DPI_RESOLUTION_REG + reg_offset), mode->vdisplay << 16 | mode->hdisplay); - - /*set DPI timing registers*/ - mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing, dsi_config->lane_count, dsi_config->bpp); - - REG_WRITE((MIPIA_HSYNC_COUNT_REG + reg_offset), dpi_timing.hsync_count & DSI_DPI_TIMING_MASK); - REG_WRITE((MIPIA_HBP_COUNT_REG + reg_offset), dpi_timing.hbp_count & DSI_DPI_TIMING_MASK); - REG_WRITE((MIPIA_HFP_COUNT_REG + reg_offset), dpi_timing.hfp_count & DSI_DPI_TIMING_MASK); - REG_WRITE((MIPIA_HACTIVE_COUNT_REG + reg_offset), dpi_timing.hactive_count & DSI_DPI_TIMING_MASK); - REG_WRITE((MIPIA_VSYNC_COUNT_REG + reg_offset), dpi_timing.vsync_count & DSI_DPI_TIMING_MASK); - REG_WRITE((MIPIA_VBP_COUNT_REG + reg_offset), dpi_timing.vbp_count & DSI_DPI_TIMING_MASK); - REG_WRITE((MIPIA_VFP_COUNT_REG + reg_offset), dpi_timing.vfp_count & DSI_DPI_TIMING_MASK); - - REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46); - - /*min: 7d0 max: 4e20*/ - REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x000007d0); - - /*set up video mode*/ - val = 0; - val = dsi_config->video_mode | DSI_DPI_COMPLETE_LAST_LINE; - REG_WRITE((MIPIA_VIDEO_MODE_FORMAT_REG + reg_offset), val); - - REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000); - - REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004); - - /*TODO: figure out how to setup these registers*/ - REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408); - - REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), (0xa << 16) | 0x14); - /*set device ready*/ - REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001); -} - -void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output, int pipe) -{ - struct drm_device *dev = output->dev; - u32 reg_offset = 0; - - if(output->panel_on) - return; - - if(pipe) - reg_offset = MIPIC_REG_OFFSET; - - /* clear special packet sent bit */ - if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) { - REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT); - } - - /*send turn on package*/ - REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_TURN_ON); - - /*wait for SPL_PKG_SENT interrupt*/ - mdfld_wait_for_SPL_PKG_SENT(dev, pipe); - - if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) { - REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT); - } - - output->panel_on = 1; - - /* FIXME the following is disabled to WA the X slow start issue for TMD panel */ - /* if(pipe == 2) */ - /* dev_priv->dpi_panel_on2 = true; */ - /* else if (pipe == 0) */ - /* dev_priv->dpi_panel_on = true; */ -} - -static void mdfld_dsi_dpi_shut_down(struct mdfld_dsi_dpi_output *output, int pipe) -{ - struct drm_device *dev = output->dev; - u32 reg_offset = 0; - - /*if output is on, or mode setting didn't happen, ignore this*/ - if((!output->panel_on) || output->first_boot) { - output->first_boot = 0; - return; - } - - if(pipe) - reg_offset = MIPIC_REG_OFFSET; - - /* Wait for dpi fifo to empty */ - mdfld_wait_for_DPI_CTRL_FIFO(dev, pipe); - - /* Clear the special packet interrupt bit if set */ - if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) { - REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT); - } - - if(REG_READ(MIPIA_DPI_CONTROL_REG + reg_offset) == DSI_DPI_CTRL_HS_SHUTDOWN) { - dev_warn(dev->dev, "try to send the same package again, abort!"); - goto shutdown_out; - } - - REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_SHUTDOWN); - -shutdown_out: - output->panel_on = 0; - output->first_boot = 0; - - /* FIXME the following is disabled to WA the X slow start issue for TMD panel */ - /* if(pipe == 2) */ - /* dev_priv->dpi_panel_on2 = false; */ - /* else if (pipe == 0) */ - /* dev_priv->dpi_panel_on = false; */ - /* #ifdef CONFIG_PM_RUNTIME*/ - /* if (drm_psb_ospm && !enable_gfx_rtpm) { */ - /* pm_runtime_allow(&gpDrmDevice->pdev->dev); */ - /* schedule_delayed_work(&dev_priv->rtpm_work, 30 * 1000); */ - /* } */ - /*if (enable_gfx_rtpm) */ - /* pm_schedule_suspend(&dev->pdev->dev, gfxrtdelay); */ - /* #endif */ -} - -void mdfld_dsi_dpi_set_power(struct drm_encoder *encoder, bool on) -{ - struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); - struct mdfld_dsi_dpi_output *dpi_output = MDFLD_DSI_DPI_OUTPUT(dsi_encoder); - struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder); - int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder); - struct drm_device *dev = dsi_config->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - u32 mipi_reg = MIPI; - u32 pipeconf_reg = PIPEACONF; - - if(pipe) { - mipi_reg = MIPI_C; - pipeconf_reg = PIPECCONF; - } - - /* Start up display island if it was shutdown */ - if (!gma_power_begin(dev, true)) - return; - - if(on) { - if (mdfld_get_panel_type(dev, pipe) == TMD_VID){ - mdfld_dsi_dpi_turn_on(dpi_output, pipe); - } else { - /* Enable mipi port */ - REG_WRITE(mipi_reg, (REG_READ(mipi_reg) | (1 << 31))); - REG_READ(mipi_reg); - - mdfld_dsi_dpi_turn_on(dpi_output, pipe); - mdfld_dsi_tpo_ic_init(dsi_config, pipe); - } - - if(pipe == 2) { - dev_priv->dpi_panel_on2 = true; - } - else { - dev_priv->dpi_panel_on = true; - } - - } else { - if (mdfld_get_panel_type(dev, pipe) == TMD_VID) { - mdfld_dsi_dpi_shut_down(dpi_output, pipe); - } else { - mdfld_dsi_dpi_shut_down(dpi_output, pipe); - /* Disable mipi port */ - REG_WRITE(mipi_reg, (REG_READ(mipi_reg) & ~(1<<31))); - REG_READ(mipi_reg); - } - - if(pipe == 2) - dev_priv->dpi_panel_on2 = false; - else - dev_priv->dpi_panel_on = false; - } - gma_power_end(dev); -} - -void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode) -{ - dev_dbg(encoder->dev->dev, "DPMS %s\n", - (mode == DRM_MODE_DPMS_ON ? "on":"off")); - - if (mode == DRM_MODE_DPMS_ON) - mdfld_dsi_dpi_set_power(encoder, true); - else { - mdfld_dsi_dpi_set_power(encoder, false); -#if 0 /* FIXME */ -#ifdef CONFIG_PM_RUNTIME - if (enable_gfx_rtpm) - pm_schedule_suspend(&gpDrmDevice->pdev->dev, gfxrtdelay); -#endif -#endif - } -} - -bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); - struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder); - struct drm_display_mode *fixed_mode = dsi_config->fixed_mode; - - if(fixed_mode) { - adjusted_mode->hdisplay = fixed_mode->hdisplay; - adjusted_mode->hsync_start = fixed_mode->hsync_start; - adjusted_mode->hsync_end = fixed_mode->hsync_end; - adjusted_mode->htotal = fixed_mode->htotal; - adjusted_mode->vdisplay = fixed_mode->vdisplay; - adjusted_mode->vsync_start = fixed_mode->vsync_start; - adjusted_mode->vsync_end = fixed_mode->vsync_end; - adjusted_mode->vtotal = fixed_mode->vtotal; - adjusted_mode->clock = fixed_mode->clock; - drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); - } - - return true; -} - -void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder) -{ - mdfld_dsi_dpi_set_power(encoder, false); -} - -void mdfld_dsi_dpi_commit(struct drm_encoder *encoder) -{ - mdfld_dsi_dpi_set_power(encoder, true); -} - -void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); - struct mdfld_dsi_dpi_output *dpi_output = MDFLD_DSI_DPI_OUTPUT(dsi_encoder); - struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder); - struct drm_device *dev = dsi_config->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder); - - u32 pipeconf_reg = PIPEACONF; - u32 dspcntr_reg = DSPACNTR; - u32 mipi_reg = MIPI; - u32 reg_offset = 0; - - u32 pipeconf = dev_priv->pipeconf; - u32 dspcntr = dev_priv->dspcntr; - u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX; - - dev_dbg(dev->dev, "set mode %dx%d on pipe %d\n", - mode->hdisplay, mode->vdisplay, pipe); - - if(pipe) { - pipeconf_reg = PIPECCONF; - dspcntr_reg = DSPCCNTR; - mipi_reg = MIPI_C; - reg_offset = MIPIC_REG_OFFSET; - } else { - mipi |= 2; - } - - if (!gma_power_begin(dev, true)) - return; - - /* Set up mipi port FIXME: do at init time */ - REG_WRITE(mipi_reg, mipi); - REG_READ(mipi_reg); - - /* Set up DSI controller DPI interface */ - mdfld_dsi_dpi_controller_init(dsi_config, pipe); - - if (mdfld_get_panel_type(dev, pipe) != TMD_VID) { - /* Turn on DPI interface */ - mdfld_dsi_dpi_turn_on(dpi_output, pipe); - } - - /* Set up pipe */ - REG_WRITE(pipeconf_reg, pipeconf); - REG_READ(pipeconf_reg); - - /* Set up display plane */ - REG_WRITE(dspcntr_reg, dspcntr); - REG_READ(dspcntr_reg); - - msleep(20); /* FIXME: this should wait for vblank */ - - dev_dbg(dev->dev, "State %x, power %d\n", - REG_READ(MIPIA_INTR_STAT_REG + reg_offset), - dpi_output->panel_on); - - if (mdfld_get_panel_type(dev, pipe) != TMD_VID) { - /* Init driver ic */ - mdfld_dsi_tpo_ic_init(dsi_config, pipe); - /* Init backlight */ - mdfld_dsi_brightness_init(dsi_config, pipe); - } - gma_power_end(dev); -} - - -/* - * Init DSI DPI encoder. - * Allocate an mdfld_dsi_encoder and attach it to given @dsi_connector - * return pointer of newly allocated DPI encoder, NULL on error - */ -struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev, - struct mdfld_dsi_connector *dsi_connector, - struct panel_funcs *p_funcs) -{ - struct mdfld_dsi_dpi_output *dpi_output = NULL; - struct mdfld_dsi_config *dsi_config; - struct drm_connector *connector = NULL; - struct drm_encoder *encoder = NULL; - struct drm_display_mode *fixed_mode = NULL; - int pipe; - u32 data; - int ret; - - if (!dsi_connector || !p_funcs) { - WARN_ON(1); - return NULL; - } - - dsi_config = mdfld_dsi_get_config(dsi_connector); - pipe = dsi_connector->pipe; - - /* Panel hard-reset */ - if (p_funcs->reset) { - ret = p_funcs->reset(pipe); - if (ret) { - DRM_ERROR("Panel %d hard-reset failed\n", pipe); - return NULL; - } - } - - /* Panel drvIC init */ - if (p_funcs->drv_ic_init) - p_funcs->drv_ic_init(dsi_config, pipe); - - /* Panel power mode detect */ - ret = mdfld_dsi_get_power_mode(dsi_config, - &data, - MDFLD_DSI_LP_TRANSMISSION); - if (ret) { - DRM_ERROR("Panel %d get power mode failed\n", pipe); - dsi_connector->status = connector_status_disconnected; - } else { - DRM_INFO("pipe %d power mode 0x%x\n", pipe, data); - dsi_connector->status = connector_status_connected; - } - - dpi_output = kzalloc(sizeof(struct mdfld_dsi_dpi_output), GFP_KERNEL); - if(!dpi_output) { - dev_err(dev->dev, "No memory for dsi_dpi_output\n"); - return NULL; - } - - if(dsi_connector->pipe) - dpi_output->panel_on = 0; - else - dpi_output->panel_on = 0; - - dpi_output->dev = dev; - dpi_output->p_funcs = p_funcs; - dpi_output->first_boot = 1; - - /* Get fixed mode */ - dsi_config = mdfld_dsi_get_config(dsi_connector); - fixed_mode = dsi_config->fixed_mode; - - /* Create drm encoder object */ - connector = &dsi_connector->base.base; - encoder = &dpi_output->base.base; - /* - * On existing hardware this will be a panel of some form, - * if future devices also have HDMI bridges this will need - * revisiting - */ - drm_encoder_init(dev, - encoder, - p_funcs->encoder_funcs, - DRM_MODE_ENCODER_LVDS); - drm_encoder_helper_add(encoder, - p_funcs->encoder_helper_funcs); - - /* Attach to given connector */ - drm_mode_connector_attach_encoder(connector, encoder); - - /* Set possible crtcs and clones */ - if(dsi_connector->pipe) { - encoder->possible_crtcs = (1 << 2); - encoder->possible_clones = (1 << 1); - } else { - encoder->possible_crtcs = (1 << 0); - encoder->possible_clones = (1 << 0); - } - return &dpi_output->base; -} - diff --git a/drivers/staging/gma500/mdfld_dsi_dpi.h b/drivers/staging/gma500/mdfld_dsi_dpi.h deleted file mode 100644 index ed92d45ee74a54..00000000000000 --- a/drivers/staging/gma500/mdfld_dsi_dpi.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * jim liu <jim.liu@intel.com> - * Jackie Li<yaodong.li@intel.com> - */ - -#ifndef __MDFLD_DSI_DPI_H__ -#define __MDFLD_DSI_DPI_H__ - -#include "mdfld_dsi_output.h" -#include "mdfld_output.h" - -struct mdfld_dsi_dpi_timing { - u16 hsync_count; - u16 hbp_count; - u16 hfp_count; - u16 hactive_count; - u16 vsync_count; - u16 vbp_count; - u16 vfp_count; -}; - -struct mdfld_dsi_dpi_output { - struct mdfld_dsi_encoder base; - struct drm_device *dev; - - int panel_on; - int first_boot; - - struct panel_funcs *p_funcs; -}; - -#define MDFLD_DSI_DPI_OUTPUT(dsi_encoder) \ - container_of(dsi_encoder, struct mdfld_dsi_dpi_output, base) - -extern int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode, - struct mdfld_dsi_dpi_timing *dpi_timing, - int num_lane, int bpp); -extern struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev, - struct mdfld_dsi_connector *dsi_connector, - struct panel_funcs *p_funcs); - -/* Medfield DPI helper functions */ -extern void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode); -extern bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode); -extern void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder); -extern void mdfld_dsi_dpi_commit(struct drm_encoder *encoder); -extern void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode); -extern void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output, - int pipe); -extern void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *si_config, - int pipe); -#endif /*__MDFLD_DSI_DPI_H__*/ diff --git a/drivers/staging/gma500/mdfld_dsi_output.c b/drivers/staging/gma500/mdfld_dsi_output.c deleted file mode 100644 index 3f979db2c3a546..00000000000000 --- a/drivers/staging/gma500/mdfld_dsi_output.c +++ /dev/null @@ -1,1014 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * jim liu <jim.liu@intel.com> - * Jackie Li<yaodong.li@intel.com> - */ - -#include "mdfld_dsi_output.h" -#include "mdfld_dsi_dbi.h" -#include "mdfld_dsi_dpi.h" -#include "mdfld_output.h" -#include <asm/intel_scu_ipc.h> -#include "mdfld_dsi_pkg_sender.h" -#include <linux/pm_runtime.h> -#include <linux/moduleparam.h> - -#define MDFLD_DSI_BRIGHTNESS_MAX_LEVEL 100 - -static int CABC_control = 1; -static int LABC_control = 1; - -module_param (CABC_control, int, 0644); -module_param (LABC_control, int, 0644); - -/** - * make these MCS command global - * we don't need 'movl' everytime we send them. - * FIXME: these datas were provided by OEM, we should get them from GCT. - **/ -static u32 mdfld_dbi_mcs_hysteresis[] = { - 0x42000f57, 0x8c006400, 0xff00bf00, 0xffffffff, - 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, - 0x38000aff, 0x82005000, 0xff00ab00, 0xffffffff, - 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, - 0x000000ff, -}; - -static u32 mdfld_dbi_mcs_display_profile[] = { - 0x50281450, 0x0000c882, 0x00000000, 0x00000000, - 0x00000000, -}; - -static u32 mdfld_dbi_mcs_kbbc_profile[] = { - 0x00ffcc60, 0x00000000, 0x00000000, 0x00000000, -}; - -static u32 mdfld_dbi_mcs_gamma_profile[] = { - 0x81111158, 0x88888888, 0x88888888, -}; - -/* - * write hysteresis values. - */ -static void mdfld_dsi_write_hysteresis (struct mdfld_dsi_config *dsi_config, - int pipe) -{ - struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config); - - if(!sender) { - WARN_ON(1); - return; - } - mdfld_dsi_send_mcs_long_hs(sender, - mdfld_dbi_mcs_hysteresis, - 17, - MDFLD_DSI_SEND_PACKAGE); -} - -/* - * write display profile values. - */ -static void mdfld_dsi_write_display_profile(struct mdfld_dsi_config *dsi_config, int pipe) -{ - struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config); - - if(!sender) { - WARN_ON(1); - return; - } - mdfld_dsi_send_mcs_long_hs(sender, - mdfld_dbi_mcs_display_profile, - 5, - MDFLD_DSI_SEND_PACKAGE); -} - -/* - * write KBBC profile values. - */ -static void mdfld_dsi_write_kbbc_profile (struct mdfld_dsi_config * dsi_config, int pipe) -{ - struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config); - - if(!sender) { - WARN_ON(1); - return; - } - mdfld_dsi_send_mcs_long_hs(sender, - mdfld_dbi_mcs_kbbc_profile, - 4, - MDFLD_DSI_SEND_PACKAGE); -} - -/* - * write gamma setting. - */ -static void mdfld_dsi_write_gamma_setting (struct mdfld_dsi_config *dsi_config, int pipe) -{ - struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config); - - if(!sender) { - WARN_ON(1); - return; - } - mdfld_dsi_send_mcs_long_hs(sender, - mdfld_dbi_mcs_gamma_profile, - 3, - MDFLD_DSI_SEND_PACKAGE); -} - -/* - * Check and see if the generic control or data buffer is empty and ready. - */ -void mdfld_dsi_gen_fifo_ready (struct drm_device *dev, u32 gen_fifo_stat_reg, u32 fifo_stat) -{ - u32 GEN_BF_time_out_count = 0; - - /* Check MIPI Adatper command registers */ - for (GEN_BF_time_out_count = 0; GEN_BF_time_out_count < GEN_FB_TIME_OUT; GEN_BF_time_out_count++) - { - if ((REG_READ(gen_fifo_stat_reg) & fifo_stat) == fifo_stat) - break; - udelay (100); - } - - if (GEN_BF_time_out_count == GEN_FB_TIME_OUT) - dev_err(dev->dev, - "mdfld_dsi_gen_fifo_ready, Timeout. gen_fifo_stat_reg = 0x%x. \n", - gen_fifo_stat_reg); -} - -/* - * Manage the DSI MIPI keyboard and display brightness. - * FIXME: this is exported to OSPM code. should work out an specific - * display interface to OSPM. - */ -void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config, int pipe) -{ - struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config); - struct drm_device *dev = sender->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - u32 gen_ctrl_val; - - if(!sender) { - WARN_ON(1); - return; - } - /* Set default display backlight value to 85% (0xd8)*/ - mdfld_dsi_send_mcs_short_hs(sender, - write_display_brightness, - 0xd8, - 1, - MDFLD_DSI_SEND_PACKAGE); - - /* Set minimum brightness setting of CABC function to 20% (0x33)*/ - mdfld_dsi_send_mcs_short_hs(sender, - write_cabc_min_bright, - 0x33, - 1, - MDFLD_DSI_SEND_PACKAGE); - - mdfld_dsi_write_hysteresis(dsi_config, pipe); - mdfld_dsi_write_display_profile (dsi_config, pipe); - mdfld_dsi_write_kbbc_profile (dsi_config, pipe); - mdfld_dsi_write_gamma_setting (dsi_config, pipe); - - /* Enable backlight or/and LABC */ - gen_ctrl_val = BRIGHT_CNTL_BLOCK_ON | DISPLAY_DIMMING_ON| BACKLIGHT_ON; - if (LABC_control == 1 || CABC_control == 1) - gen_ctrl_val |= DISPLAY_DIMMING_ON| DISPLAY_BRIGHTNESS_AUTO | GAMMA_AUTO; - - if (LABC_control == 1) - gen_ctrl_val |= AMBIENT_LIGHT_SENSE_ON; - - dev_priv->mipi_ctrl_display = gen_ctrl_val; - - mdfld_dsi_send_mcs_short_hs(sender, - write_ctrl_display, - (u8)gen_ctrl_val, - 1, - MDFLD_DSI_SEND_PACKAGE); - - if (CABC_control == 0) - return; - mdfld_dsi_send_mcs_short_hs(sender, - write_ctrl_cabc, - UI_IMAGE, - 1, - MDFLD_DSI_SEND_PACKAGE); -} - -/* - * Manage the mipi display brightness. - * TODO: refine this interface later - */ -void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe, int level) -{ - struct mdfld_dsi_pkg_sender *sender; - struct drm_psb_private *dev_priv; - struct mdfld_dsi_config *dsi_config; - u32 gen_ctrl_val; - int p_type; - - if (!dev || (pipe != 0 && pipe != 2)) { - dev_err(dev->dev, "Invalid parameter\n"); - return; - } - - p_type = mdfld_get_panel_type(dev, 0); - - dev_priv = dev->dev_private; - - if(pipe) - dsi_config = dev_priv->dsi_configs[1]; - else - dsi_config = dev_priv->dsi_configs[0]; - - sender = mdfld_dsi_get_pkg_sender(dsi_config); - - if(!sender) { - WARN_ON(1); - return; - } - - gen_ctrl_val = ((level * 0xff) / MDFLD_DSI_BRIGHTNESS_MAX_LEVEL) & 0xff; - - dev_dbg(dev->dev, - "pipe = %d, gen_ctrl_val = %d. \n", pipe, gen_ctrl_val); - - if(p_type == TMD_VID || p_type == TMD_CMD){ - /* Set display backlight value */ - mdfld_dsi_send_mcs_short_hs(sender, - tmd_write_display_brightness, - (u8)gen_ctrl_val, - 1, - MDFLD_DSI_SEND_PACKAGE); - } else { - /* Set display backlight value */ - mdfld_dsi_send_mcs_short_hs(sender, - write_display_brightness, - (u8)gen_ctrl_val, - 1, - MDFLD_DSI_SEND_PACKAGE); - - - /* Enable backlight control */ - if (level == 0) - gen_ctrl_val = 0; - else - gen_ctrl_val = dev_priv->mipi_ctrl_display; - - mdfld_dsi_send_mcs_short_hs(sender, - write_ctrl_display, - (u8)gen_ctrl_val, - 1, - MDFLD_DSI_SEND_PACKAGE); - } -} - -/* - * shut down DSI controller - */ -void mdfld_dsi_controller_shutdown(struct mdfld_dsi_config * dsi_config, int pipe) -{ - struct drm_device * dev; - u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0; - int retry = 100; - - if (!dsi_config) { - WARN_ON(1); - return; - } - - dev = dsi_config->dev; - - if (!gma_power_begin(dev, true)) { - dev_err(dev->dev, "hw begin failed\n"); - return; - } - - if(!(REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) & DSI_DEVICE_READY)) - goto shutdown_out; - - /* Send shut down package, clean packet send bit first */ - if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) { - REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), - (REG_READ(MIPIA_INTR_STAT_REG + reg_offset) | DSI_INTR_STATE_SPL_PKG_SENT)); - } - - /*send shut down package in HS*/ - REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_SHUTDOWN); - - - /* - * make sure shut down is sent. - * FIXME: add max retry counter - */ - while(!(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT)) { - retry--; - - if(!retry) { - dev_err(dev->dev, "timeout\n"); - break; - } - } - - /*sleep 1 ms to ensure shutdown finished*/ - msleep(100); - - /*un-ready device*/ - REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), - (REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) & ~DSI_DEVICE_READY)); - -shutdown_out: - gma_power_end(dev); -} - -void mdfld_dsi_controller_startup(struct mdfld_dsi_config * dsi_config, int pipe) -{ - struct drm_device * dev; - u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0; - int retry = 100; - - - if (!dsi_config) { - WARN_ON(1); - return; - } - - dev = dsi_config->dev; - dev_dbg(dev->dev, "starting up DSI controller on pipe %d...\n", pipe); - - if (!gma_power_begin(dev, true)) { - dev_err(dev->dev, "hw begin failed\n"); - return; - } - - if((REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) & DSI_DEVICE_READY)) - goto startup_out; - - /*if config DPI, turn on DPI interface*/ - if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) { - if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) { - REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT); - } - - REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_TURN_ON); - - /* - * make sure shut down is sent. - * FIXME: add max retry counter - */ - while(!(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT)) { - retry--; - if(!retry) { - dev_err(dev->dev, "timeout\n"); - break; - } - } - - msleep(100); - } - - /*set device ready*/ - REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), - (REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) | DSI_DEVICE_READY)); - -startup_out: - gma_power_end(dev); -} - - -static int mdfld_dsi_get_panel_status(struct mdfld_dsi_config *dsi_config, - u8 dcs, - u32 *data, - u8 transmission) -{ - struct mdfld_dsi_pkg_sender *sender - = mdfld_dsi_get_pkg_sender(dsi_config); - - if (!sender || !data) { - DRM_ERROR("Invalid parameter\n"); - return -EINVAL; - } - - if (transmission == MDFLD_DSI_HS_TRANSMISSION) - return mdfld_dsi_read_mcs_hs(sender, dcs, data, 1); - else if (transmission == MDFLD_DSI_LP_TRANSMISSION) - return mdfld_dsi_read_mcs_lp(sender, dcs, data, 1); - else - return -EINVAL; -} - -int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config, - u32 *mode, - u8 transmission) -{ - if (!dsi_config || !mode) { - DRM_ERROR("Invalid parameter\n"); - return -EINVAL; - } - - return mdfld_dsi_get_panel_status(dsi_config, 0x0a, mode, transmission); -} - -int mdfld_dsi_get_diagnostic_result(struct mdfld_dsi_config *dsi_config, - u32 *result, - u8 transmission) -{ - if (!dsi_config || !result) { - DRM_ERROR("Invalid parameter\n"); - return -EINVAL; - } - - return mdfld_dsi_get_panel_status(dsi_config, 0x0f, result, - transmission); -} - -/* - * NOTE: this function was used by OSPM. - * TODO: will be removed later, should work out display interfaces for OSPM - */ -void mdfld_dsi_controller_init(struct mdfld_dsi_config * dsi_config, int pipe) -{ - if(!dsi_config || ((pipe != 0) && (pipe != 2))) { - WARN_ON(1); - return; - } - - if(dsi_config->type) - mdfld_dsi_dpi_controller_init(dsi_config, pipe); - else - mdfld_dsi_controller_dbi_init(dsi_config, pipe); -} - -static void mdfld_dsi_connector_save(struct drm_connector * connector) -{ -} - -static void mdfld_dsi_connector_restore(struct drm_connector * connector) -{ -} - -static enum drm_connector_status mdfld_dsi_connector_detect(struct drm_connector * connector, bool force) -{ - struct psb_intel_output *psb_output - = to_psb_intel_output(connector); - struct mdfld_dsi_connector *dsi_connector - = MDFLD_DSI_CONNECTOR(psb_output); - return dsi_connector->status; -} - -static int mdfld_dsi_connector_set_property(struct drm_connector *connector, - struct drm_property *property, - uint64_t value) -{ - struct drm_encoder *encoder = connector->encoder; - - if (!strcmp(property->name, "scaling mode") && encoder) { - struct psb_intel_crtc * psb_crtc = to_psb_intel_crtc(encoder->crtc); - bool bTransitionFromToCentered; - uint64_t curValue; - - if (!psb_crtc) - goto set_prop_error; - - switch (value) { - case DRM_MODE_SCALE_FULLSCREEN: - break; - case DRM_MODE_SCALE_NO_SCALE: - break; - case DRM_MODE_SCALE_ASPECT: - break; - default: - goto set_prop_error; - } - - if (drm_connector_property_get_value(connector, property, &curValue)) - goto set_prop_error; - - if (curValue == value) - goto set_prop_done; - - if (drm_connector_property_set_value(connector, property, value)) - goto set_prop_error; - - bTransitionFromToCentered = (curValue == DRM_MODE_SCALE_NO_SCALE) || - (value == DRM_MODE_SCALE_NO_SCALE); - - if (psb_crtc->saved_mode.hdisplay != 0 && - psb_crtc->saved_mode.vdisplay != 0) { - if (bTransitionFromToCentered) { - if (!drm_crtc_helper_set_mode(encoder->crtc, &psb_crtc->saved_mode, - encoder->crtc->x, encoder->crtc->y, encoder->crtc->fb)) - goto set_prop_error; - } else { - struct drm_encoder_helper_funcs *pEncHFuncs = encoder->helper_private; - pEncHFuncs->mode_set(encoder, &psb_crtc->saved_mode, - &psb_crtc->saved_adjusted_mode); - } - } -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - } else if (!strcmp(property->name, "backlight") && encoder) { - struct drm_psb_private *dev_priv = encoder->dev->dev_private; - struct backlight_device *psb_bd = dev_priv->backlight_device; - dev_dbg(encoder->dev->dev, "backlight level = %d\n", (int)value); - if (drm_connector_property_set_value(connector, property, value)) - goto set_prop_error; - else { - dev_dbg(encoder->dev->dev, - "set brightness to %d", (int)value); - if (psb_bd) { - psb_bd->props.brightness = value; - backlight_update_status(psb_bd); - } - } -#endif - } -set_prop_done: - return 0; -set_prop_error: - return -1; -} - -static void mdfld_dsi_connector_destroy(struct drm_connector *connector) -{ - struct psb_intel_output * psb_output = to_psb_intel_output(connector); - struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output); - struct mdfld_dsi_pkg_sender * sender; - - if(!dsi_connector) - return; - - drm_sysfs_connector_remove(connector); - drm_connector_cleanup(connector); - - sender = dsi_connector->pkg_sender; - - mdfld_dsi_pkg_sender_destroy(sender); - - kfree(dsi_connector); -} - -static int mdfld_dsi_connector_get_modes(struct drm_connector * connector) -{ - struct psb_intel_output * psb_output = to_psb_intel_output(connector); - struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output); - struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector); - struct drm_display_mode * fixed_mode = dsi_config->fixed_mode; - struct drm_display_mode * dup_mode = NULL; - struct drm_device * dev = connector->dev; - - connector->display_info.min_vfreq = 0; - connector->display_info.max_vfreq = 200; - connector->display_info.min_hfreq = 0; - connector->display_info.max_hfreq = 200; - - if(fixed_mode) { - dev_dbg(dev->dev, "fixed_mode %dx%d\n", - fixed_mode->hdisplay, fixed_mode->vdisplay); - - dup_mode = drm_mode_duplicate(dev, fixed_mode); - drm_mode_probed_add(connector, dup_mode); - return 1; - } - dev_err(dev->dev, "Didn't get any modes!\n"); - return 0; -} - -static int mdfld_dsi_connector_mode_valid(struct drm_connector * connector, struct drm_display_mode * mode) -{ - struct psb_intel_output * psb_output = to_psb_intel_output(connector); - struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output); - struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector); - struct drm_display_mode * fixed_mode = dsi_config->fixed_mode; - - dev_dbg(connector->dev->dev, "mode %p, fixed mode %p\n", - mode, fixed_mode); - - if(mode->flags & DRM_MODE_FLAG_DBLSCAN) - return MODE_NO_DBLESCAN; - - if(mode->flags & DRM_MODE_FLAG_INTERLACE) - return MODE_NO_INTERLACE; - - /** - * FIXME: current DC has no fitting unit, reject any mode setting request - * will figure out a way to do up-scaling(pannel fitting) later. - **/ - if(fixed_mode) { - if(mode->hdisplay != fixed_mode->hdisplay) - return MODE_PANEL; - - if(mode->vdisplay != fixed_mode->vdisplay) - return MODE_PANEL; - } - dev_dbg(connector->dev->dev, "mode ok\n"); - - return MODE_OK; -} - -static void mdfld_dsi_connector_dpms(struct drm_connector *connector, int mode) -{ -#ifdef CONFIG_PM_RUNTIME - struct drm_device * dev = connector->dev; - struct drm_psb_private * dev_priv = dev->dev_private; - bool panel_on, panel_on2; -#endif - /* First, execute DPMS */ - drm_helper_connector_dpms(connector, mode); - -#ifdef CONFIG_PM_RUNTIME - if(mdfld_panel_dpi(dev)) { - /* DPI panel */ - panel_on = dev_priv->dpi_panel_on; - panel_on2 = dev_priv->dpi_panel_on2; - } else { - /* DBI panel */ - panel_on = dev_priv->dbi_panel_on; - panel_on2 = dev_priv->dbi_panel_on2; - } - - /* Then check all display panels + monitors status */ - /* Make sure that the Display (B) sub-system status isn't i3 when - * R/W the DC register, otherwise "Fabric error" issue would occur - * during S0i3 state. */ - if(!panel_on && !panel_on2 && !(REG_READ(HDMIB_CONTROL) - & HDMIB_PORT_EN)) { - /* Request rpm idle */ - if(dev_priv->rpm_enabled) - pm_request_idle(&dev->pdev->dev); - } - /* - * if rpm wasn't enabled yet, try to allow it - * FIXME: won't enable rpm for DPI since DPI - * CRTC setting is a little messy now. - * Enable it later! - */ -#if 0 - if(!dev_priv->rpm_enabled && !mdfld_panel_dpi(dev)) - ospm_runtime_pm_allow(dev); -#endif -#endif -} - -static struct drm_encoder *mdfld_dsi_connector_best_encoder( - struct drm_connector *connector) -{ - struct psb_intel_output * psb_output = to_psb_intel_output(connector); - struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output); - struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector); - struct mdfld_dsi_encoder * encoder = NULL; - - if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) - encoder = dsi_config->encoders[MDFLD_DSI_ENCODER_DBI]; - else if (dsi_config->type == MDFLD_DSI_ENCODER_DPI) - encoder = dsi_config->encoders[MDFLD_DSI_ENCODER_DPI]; - - dev_dbg(connector->dev->dev, "get encoder %p\n", encoder); - - if(!encoder) { - dev_err(connector->dev->dev, - "Invalid encoder for type %d\n", dsi_config->type); - return NULL; - } - dsi_config->encoder = encoder; - return &encoder->base; -} - -/* DSI connector funcs */ -static const struct drm_connector_funcs mdfld_dsi_connector_funcs = { - .dpms = /*drm_helper_connector_dpms*/mdfld_dsi_connector_dpms, - .save = mdfld_dsi_connector_save, - .restore = mdfld_dsi_connector_restore, - .detect = mdfld_dsi_connector_detect, - .fill_modes = drm_helper_probe_single_connector_modes, - .set_property = mdfld_dsi_connector_set_property, - .destroy = mdfld_dsi_connector_destroy, -}; - -/* DSI connector helper funcs */ -static const struct drm_connector_helper_funcs mdfld_dsi_connector_helper_funcs = { - .get_modes = mdfld_dsi_connector_get_modes, - .mode_valid = mdfld_dsi_connector_mode_valid, - .best_encoder = mdfld_dsi_connector_best_encoder, -}; - -static int mdfld_dsi_get_default_config(struct drm_device * dev, - struct mdfld_dsi_config * config, int pipe) -{ - if(!dev || !config) { - WARN_ON(1); - return -EINVAL; - } - - config->bpp = 24; - config->type = mdfld_panel_dpi(dev); - config->lane_count = 2; - config->channel_num = 0; - /*NOTE: video mode is ignored when type is MDFLD_DSI_ENCODER_DBI*/ - if (mdfld_get_panel_type(dev, pipe) == TMD_VID) { - config->video_mode = MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE; - } else { - config->video_mode = MDFLD_DSI_VIDEO_BURST_MODE; - } - - return 0; -} - -/* - * Returns the panel fixed mode from configuration. - */ -struct drm_display_mode * -mdfld_dsi_get_configuration_mode(struct mdfld_dsi_config * dsi_config, int pipe) -{ - struct drm_device *dev = dsi_config->dev; - struct drm_display_mode *mode; - struct drm_psb_private *dev_priv = dev->dev_private; - struct mrst_timing_info *ti = &dev_priv->gct_data.DTD; - bool use_gct = false; - - mode = kzalloc(sizeof(*mode), GFP_KERNEL); - if (!mode) { - dev_err(dev->dev, "Out of memory for mode\n"); - return NULL; - } - if (use_gct) { - dev_dbg(dev->dev, "gct find MIPI panel.\n"); - - mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo; - mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo; - mode->hsync_start = mode->hdisplay + \ - ((ti->hsync_offset_hi << 8) | \ - ti->hsync_offset_lo); - mode->hsync_end = mode->hsync_start + \ - ((ti->hsync_pulse_width_hi << 8) | \ - ti->hsync_pulse_width_lo); - mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \ - ti->hblank_lo); - mode->vsync_start = \ - mode->vdisplay + ((ti->vsync_offset_hi << 8) | \ - ti->vsync_offset_lo); - mode->vsync_end = \ - mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \ - ti->vsync_pulse_width_lo); - mode->vtotal = mode->vdisplay + \ - ((ti->vblank_hi << 8) | ti->vblank_lo); - mode->clock = ti->pixel_clock * 10; - } else { - if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) { - if (mdfld_get_panel_type(dev, pipe) == TMD_VID) { - mode->hdisplay = 480; - mode->vdisplay = 854; - mode->hsync_start = 487; - mode->hsync_end = 490; - mode->htotal = 499; - mode->vsync_start = 861; - mode->vsync_end = 865; - mode->vtotal = 873; - mode->clock = 33264; - } else { - mode->hdisplay = 864; - mode->vdisplay = 480; - mode->hsync_start = 873; - mode->hsync_end = 876; - mode->htotal = 887; - mode->vsync_start = 487; - mode->vsync_end = 490; - mode->vtotal = 499; - mode->clock = 33264; - } - } else if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) { - mode->hdisplay = 864; - mode->vdisplay = 480; - mode->hsync_start = 872; - mode->hsync_end = 876; - mode->htotal = 884; - mode->vsync_start = 482; - mode->vsync_end = 494; - mode->vtotal = 486; - mode->clock = 25777; - - } - } - - drm_mode_set_name(mode); - drm_mode_set_crtcinfo(mode, 0); - - mode->type |= DRM_MODE_TYPE_PREFERRED; - - return mode; -} - -int mdfld_dsi_panel_reset(int pipe) -{ - unsigned gpio; - int ret = 0; - - switch (pipe) { - case 0: - gpio = 128; - break; - case 2: - gpio = 34; - break; - default: - DRM_ERROR("Invalid output\n"); - return -EINVAL; - } - - ret = gpio_request(gpio, "gfx"); - if (ret) { - DRM_ERROR("gpio_rqueset failed\n"); - return ret; - } - - ret = gpio_direction_output(gpio, 1); - if (ret) { - DRM_ERROR("gpio_direction_output failed\n"); - goto gpio_error; - } - - gpio_get_value(128); - -gpio_error: - if (gpio_is_valid(gpio)) - gpio_free(gpio); - - return ret; -} - -/* - * MIPI output init - * @dev drm device - * @pipe pipe number. 0 or 2 - * @config - * - * Do the initialization of a MIPI output, including create DRM mode objects - * initialization of DSI output on @pipe - */ -void mdfld_dsi_output_init(struct drm_device *dev, - int pipe, - struct mdfld_dsi_config *config, - struct panel_funcs* p_cmd_funcs, - struct panel_funcs* p_vid_funcs) -{ - struct mdfld_dsi_config * dsi_config; - struct mdfld_dsi_connector * dsi_connector; - struct psb_intel_output * psb_output; - struct drm_connector * connector; - struct mdfld_dsi_encoder * encoder; - struct drm_psb_private * dev_priv = dev->dev_private; - struct panel_info dsi_panel_info; - u32 width_mm, height_mm; - - dev_dbg(dev->dev, "init DSI output on pipe %d\n", pipe); - - if(!dev || ((pipe != 0) && (pipe != 2))) { - WARN_ON(1); - return; - } - - /*create a new connetor*/ - dsi_connector = kzalloc(sizeof(struct mdfld_dsi_connector), GFP_KERNEL); - if(!dsi_connector) { - DRM_ERROR("No memory"); - return; - } - - dsi_connector->pipe = pipe; - - /*set DSI config*/ - if(config) { - dsi_config = config; - } else { - dsi_config = kzalloc(sizeof(struct mdfld_dsi_config), GFP_KERNEL); - if(!dsi_config) { - dev_err(dev->dev, - "cannot allocate memory for DSI config\n"); - goto dsi_init_err0; - } - - mdfld_dsi_get_default_config(dev, dsi_config, pipe); - } - - dsi_connector->private = dsi_config; - - dsi_config->changed = 1; - dsi_config->dev = dev; - - /* Init fixed mode basing on DSI config type */ - if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) { - dsi_config->fixed_mode = p_cmd_funcs->get_config_mode(dev); - if(p_cmd_funcs->get_panel_info(dev, pipe, &dsi_panel_info)) - goto dsi_init_err0; - } else if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) { - dsi_config->fixed_mode = p_vid_funcs->get_config_mode(dev); - if(p_vid_funcs->get_panel_info(dev, pipe, &dsi_panel_info)) - goto dsi_init_err0; - } - - width_mm = dsi_panel_info.width_mm; - height_mm = dsi_panel_info.height_mm; - - dsi_config->mode = dsi_config->fixed_mode; - dsi_config->connector = dsi_connector; - - if(!dsi_config->fixed_mode) { - dev_err(dev->dev, "No pannel fixed mode was found\n"); - goto dsi_init_err0; - } - - if(pipe && dev_priv->dsi_configs[0]) { - dsi_config->dvr_ic_inited = 0; - dev_priv->dsi_configs[1] = dsi_config; - } else if(pipe == 0) { - dsi_config->dvr_ic_inited = 1; - dev_priv->dsi_configs[0] = dsi_config; - } else { - dev_err(dev->dev, "Trying to init MIPI1 before MIPI0\n"); - goto dsi_init_err0; - } - - /*init drm connector object*/ - psb_output = &dsi_connector->base; - - psb_output->type = (pipe == 0) ? INTEL_OUTPUT_MIPI : INTEL_OUTPUT_MIPI2; - - connector = &psb_output->base; - /* Revisit type if MIPI/HDMI bridges ever appear on Medfield */ - drm_connector_init(dev, connector, &mdfld_dsi_connector_funcs, - DRM_MODE_CONNECTOR_LVDS); - drm_connector_helper_add(connector, &mdfld_dsi_connector_helper_funcs); - - connector->display_info.subpixel_order = SubPixelHorizontalRGB; - connector->display_info.width_mm = width_mm; - connector->display_info.height_mm = height_mm; - connector->interlace_allowed = false; - connector->doublescan_allowed = false; - - /* Attach properties */ - drm_connector_attach_property(connector, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN); - drm_connector_attach_property(connector, dev_priv->backlight_property, MDFLD_DSI_BRIGHTNESS_MAX_LEVEL); - - /* Init DSI package sender on this output */ - if (mdfld_dsi_pkg_sender_init(dsi_connector, pipe)) { - DRM_ERROR("Package Sender initialization failed on pipe %d\n", pipe); - goto dsi_init_err0; - } - - /* Init DBI & DPI encoders */ - if (p_cmd_funcs) { - encoder = mdfld_dsi_dbi_init(dev, dsi_connector, p_cmd_funcs); - if(!encoder) { - dev_err(dev->dev, "Create DBI encoder failed\n"); - goto dsi_init_err1; - } - encoder->private = dsi_config; - dsi_config->encoders[MDFLD_DSI_ENCODER_DBI] = encoder; - } - - if(p_vid_funcs) { - encoder = mdfld_dsi_dpi_init(dev, dsi_connector, p_vid_funcs); - if(!encoder) { - dev_err(dev->dev, "Create DPI encoder failed\n"); - goto dsi_init_err1; - } - encoder->private = dsi_config; - dsi_config->encoders[MDFLD_DSI_ENCODER_DPI] = encoder; - } - - drm_sysfs_connector_add(connector); - return; - - /*TODO: add code to destroy outputs on error*/ -dsi_init_err1: - /*destroy sender*/ - mdfld_dsi_pkg_sender_destroy(dsi_connector->pkg_sender); - - drm_connector_cleanup(connector); - kfree(dsi_config->fixed_mode); - kfree(dsi_config); -dsi_init_err0: - kfree(dsi_connector); -} diff --git a/drivers/staging/gma500/mdfld_dsi_output.h b/drivers/staging/gma500/mdfld_dsi_output.h deleted file mode 100644 index 4699267efd6059..00000000000000 --- a/drivers/staging/gma500/mdfld_dsi_output.h +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * jim liu <jim.liu@intel.com> - * Jackie Li<yaodong.li@intel.com> - */ - -#ifndef __MDFLD_DSI_OUTPUT_H__ -#define __MDFLD_DSI_OUTPUT_H__ - -#include <linux/backlight.h> -#include <drm/drmP.h> -#include <drm/drm.h> -#include <drm/drm_crtc.h> -#include <drm/drm_edid.h> - -#include "psb_drv.h" -#include "psb_intel_drv.h" -#include "psb_intel_reg.h" -#include "power.h" -#include "mdfld_output.h" - -#include <asm/mrst.h> - - -static inline struct mdfld_dsi_config * - mdfld_dsi_get_config(struct mdfld_dsi_connector *connector) -{ - if (!connector) - return NULL; - return (struct mdfld_dsi_config *)connector->private; -} - -static inline void *mdfld_dsi_get_pkg_sender(struct mdfld_dsi_config *config) -{ - struct mdfld_dsi_connector *dsi_connector; - - if (!config) - return NULL; - - dsi_connector = config->connector; - - if (!dsi_connector) - return NULL; - - return dsi_connector->pkg_sender; -} - -static inline struct mdfld_dsi_config * - mdfld_dsi_encoder_get_config(struct mdfld_dsi_encoder *encoder) -{ - if (!encoder) - return NULL; - return (struct mdfld_dsi_config *)encoder->private; -} - -static inline struct mdfld_dsi_connector * - mdfld_dsi_encoder_get_connector(struct mdfld_dsi_encoder *encoder) -{ - struct mdfld_dsi_config *config; - - if (!encoder) - return NULL; - - config = mdfld_dsi_encoder_get_config(encoder); - if (!config) - return NULL; - - return config->connector; -} - -static inline void *mdfld_dsi_encoder_get_pkg_sender( - struct mdfld_dsi_encoder *encoder) -{ - struct mdfld_dsi_config *dsi_config; - - dsi_config = mdfld_dsi_encoder_get_config(encoder); - if (!dsi_config) - return NULL; - - return mdfld_dsi_get_pkg_sender(dsi_config); -} - -static inline int mdfld_dsi_encoder_get_pipe(struct mdfld_dsi_encoder *encoder) -{ - struct mdfld_dsi_connector *connector; - - if (!encoder) - return -1; - - connector = mdfld_dsi_encoder_get_connector(encoder); - if (!connector) - return -1; - - return connector->pipe; -} - -extern void mdfld_dsi_gen_fifo_ready(struct drm_device *dev, - u32 gen_fifo_stat_reg, u32 fifo_stat); -extern void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config, - int pipe); -extern void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe, - int level); -extern void mdfld_dsi_output_init(struct drm_device *dev, int pipe, - struct mdfld_dsi_config *config, - struct panel_funcs *p_cmd_funcs, - struct panel_funcs *p_vid_funcs); -extern void mdfld_dsi_controller_init(struct mdfld_dsi_config *dsi_config, - int pipe); -extern int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config, - u32 *mode, - u8 transmission); -extern int mdfld_dsi_get_diagnostic_result(struct mdfld_dsi_config *dsi_config, - u32 *result, - u8 transmission); -extern int mdfld_dsi_panel_reset(int pipe); - -#endif /*__MDFLD_DSI_OUTPUT_H__*/ diff --git a/drivers/staging/gma500/mdfld_dsi_pkg_sender.c b/drivers/staging/gma500/mdfld_dsi_pkg_sender.c deleted file mode 100644 index 9b96a5c9abcdf7..00000000000000 --- a/drivers/staging/gma500/mdfld_dsi_pkg_sender.c +++ /dev/null @@ -1,1484 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Jackie Li<yaodong.li@intel.com> - */ - -#include <linux/freezer.h> - -#include "mdfld_dsi_output.h" -#include "mdfld_dsi_pkg_sender.h" -#include "mdfld_dsi_dbi.h" -#include "mdfld_dsi_dpi.h" - -#define MDFLD_DSI_DBI_FIFO_TIMEOUT 100 -#define MDFLD_DSI_MAX_RETURN_PACKET_SIZE 512 -#define MDFLD_DSI_READ_MAX_COUNT 5000 - -static const char * const dsi_errors[] = { - "RX SOT Error", - "RX SOT Sync Error", - "RX EOT Sync Error", - "RX Escape Mode Entry Error", - "RX LP TX Sync Error", - "RX HS Receive Timeout Error", - "RX False Control Error", - "RX ECC Single Bit Error", - "RX ECC Multibit Error", - "RX Checksum Error", - "RX DSI Data Type Not Recognised", - "RX DSI VC ID Invalid", - "TX False Control Error", - "TX ECC Single Bit Error", - "TX ECC Multibit Error", - "TX Checksum Error", - "TX DSI Data Type Not Recognised", - "TX DSI VC ID invalid", - "High Contention", - "Low contention", - "DPI FIFO Under run", - "HS TX Timeout", - "LP RX Timeout", - "Turn Around ACK Timeout", - "ACK With No Error", - "RX Invalid TX Length", - "RX Prot Violation", - "HS Generic Write FIFO Full", - "LP Generic Write FIFO Full", - "Generic Read Data Avail", - "Special Packet Sent", - "Tearing Effect", -}; - -static int wait_for_gen_fifo_empty(struct mdfld_dsi_pkg_sender *sender, - u32 mask) -{ - struct drm_device *dev = sender->dev; - u32 gen_fifo_stat_reg = sender->mipi_gen_fifo_stat_reg; - int retry = 0xffff; - - while (retry--) { - if ((mask & REG_READ(gen_fifo_stat_reg)) == mask) - return 0; - udelay(100); - } - dev_err(dev->dev, "fifo is NOT empty 0x%08x\n", - REG_READ(gen_fifo_stat_reg)); - return -EIO; -} - -static int wait_for_all_fifos_empty(struct mdfld_dsi_pkg_sender *sender) -{ - return wait_for_gen_fifo_empty(sender, (1 << 2) | (1 << 10) | (1 << 18) - | (1 << 26) | (1 << 27) | (1 << 28)); -} - -static int wait_for_lp_fifos_empty(struct mdfld_dsi_pkg_sender *sender) -{ - return wait_for_gen_fifo_empty(sender, (1 << 10) | (1 << 26)); -} - -static int wait_for_hs_fifos_empty(struct mdfld_dsi_pkg_sender *sender) -{ - return wait_for_gen_fifo_empty(sender, (1 << 2) | (1 << 18)); -} - -static int wait_for_dbi_fifo_empty(struct mdfld_dsi_pkg_sender *sender) -{ - return wait_for_gen_fifo_empty(sender, (1 << 27)); -} - -static int handle_dsi_error(struct mdfld_dsi_pkg_sender *sender, u32 mask) -{ - u32 intr_stat_reg = sender->mipi_intr_stat_reg; - struct drm_device *dev = sender->dev; - - switch (mask) { - case (1 << 0): - case (1 << 1): - case (1 << 2): - case (1 << 3): - case (1 << 4): - case (1 << 5): - case (1 << 6): - case (1 << 7): - case (1 << 8): - case (1 << 9): - case (1 << 10): - case (1 << 11): - case (1 << 12): - case (1 << 13): - break; - case (1 << 14): - /*wait for all fifo empty*/ - /*wait_for_all_fifos_empty(sender)*/; - break; - case (1 << 15): - break; - case (1 << 16): - break; - case (1 << 17): - break; - case (1 << 18): - case (1 << 19): - /*wait for contention recovery time*/ - /*mdelay(10);*/ - /*wait for all fifo empty*/ - if (0) - wait_for_all_fifos_empty(sender); - break; - case (1 << 20): - break; - case (1 << 21): - /*wait for all fifo empty*/ - /*wait_for_all_fifos_empty(sender);*/ - break; - case (1 << 22): - break; - case (1 << 23): - case (1 << 24): - case (1 << 25): - case (1 << 26): - case (1 << 27): - /* HS Gen fifo full */ - REG_WRITE(intr_stat_reg, mask); - wait_for_hs_fifos_empty(sender); - break; - case (1 << 28): - /* LP Gen fifo full\n */ - REG_WRITE(intr_stat_reg, mask); - wait_for_lp_fifos_empty(sender); - break; - case (1 << 29): - case (1 << 30): - case (1 << 31): - break; - } - - if (mask & REG_READ(intr_stat_reg)) - dev_warn(dev->dev, "Cannot clean interrupt 0x%08x\n", mask); - - return 0; -} - -static int dsi_error_handler(struct mdfld_dsi_pkg_sender *sender) -{ - struct drm_device *dev = sender->dev; - u32 intr_stat_reg = sender->mipi_intr_stat_reg; - u32 mask; - u32 intr_stat; - int i; - int err = 0; - - intr_stat = REG_READ(intr_stat_reg); - - for (i = 0; i < 32; i++) { - mask = (0x00000001UL) << i; - if (intr_stat & mask) { - dev_dbg(dev->dev, "[DSI]: %s\n", dsi_errors[i]); - err = handle_dsi_error(sender, mask); - if (err) - dev_err(dev->dev, "Cannot handle error\n"); - } - } - return err; -} - -static inline int dbi_cmd_sent(struct mdfld_dsi_pkg_sender *sender) -{ - struct drm_device *dev = sender->dev; - u32 retry = 0xffff; - u32 dbi_cmd_addr_reg = sender->mipi_cmd_addr_reg; - - /* Query the command execution status */ - while (retry--) { - if (!(REG_READ(dbi_cmd_addr_reg) & (1 << 0))) - break; - } - - if (!retry) { - dev_err(dev->dev, "Timeout waiting for DBI Command status\n"); - return -EAGAIN; - } - return 0; -} - -/* - * NOTE: this interface is abandoned expect for write_mem_start DCS - * other DCS are sent via generic pkg interfaces - */ -static int send_dcs_pkg(struct mdfld_dsi_pkg_sender *sender, - struct mdfld_dsi_pkg *pkg) -{ - struct drm_device *dev = sender->dev; - struct mdfld_dsi_dcs_pkg *dcs_pkg = &pkg->pkg.dcs_pkg; - u32 dbi_cmd_len_reg = sender->mipi_cmd_len_reg; - u32 dbi_cmd_addr_reg = sender->mipi_cmd_addr_reg; - u32 cb_phy = sender->dbi_cb_phy; - u32 index = 0; - u8 *cb = (u8 *)sender->dbi_cb_addr; - int i; - int ret; - - if (!sender->dbi_pkg_support) { - dev_err(dev->dev, "Trying to send DCS on a non DBI output, abort!\n"); - return -ENOTSUPP; - } - - /*wait for DBI fifo empty*/ - wait_for_dbi_fifo_empty(sender); - - *(cb + (index++)) = dcs_pkg->cmd; - if (dcs_pkg->param_num) { - for (i = 0; i < dcs_pkg->param_num; i++) - *(cb + (index++)) = *(dcs_pkg->param + i); - } - - REG_WRITE(dbi_cmd_len_reg, (1 + dcs_pkg->param_num)); - REG_WRITE(dbi_cmd_addr_reg, - (cb_phy << CMD_MEM_ADDR_OFFSET) - | (1 << 0) - | ((dcs_pkg->data_src == CMD_DATA_SRC_PIPE) ? (1 << 1) : 0)); - - ret = dbi_cmd_sent(sender); - if (ret) { - dev_err(dev->dev, "command 0x%x not complete\n", dcs_pkg->cmd); - return -EAGAIN; - } - return 0; -} - -static int __send_short_pkg(struct mdfld_dsi_pkg_sender *sender, - struct mdfld_dsi_pkg *pkg) -{ - struct drm_device *dev = sender->dev; - u32 hs_gen_ctrl_reg = sender->mipi_hs_gen_ctrl_reg; - u32 lp_gen_ctrl_reg = sender->mipi_lp_gen_ctrl_reg; - u32 gen_ctrl_val = 0; - struct mdfld_dsi_gen_short_pkg *short_pkg = &pkg->pkg.short_pkg; - - gen_ctrl_val |= short_pkg->cmd << MCS_COMMANDS_POS; - gen_ctrl_val |= 0 << DCS_CHANNEL_NUMBER_POS; - gen_ctrl_val |= pkg->pkg_type; - gen_ctrl_val |= short_pkg->param << MCS_PARAMETER_POS; - - if (pkg->transmission_type == MDFLD_DSI_HS_TRANSMISSION) { - /* wait for hs fifo empty */ - /* wait_for_hs_fifos_empty(sender); */ - /* Send pkg */ - REG_WRITE(hs_gen_ctrl_reg, gen_ctrl_val); - } else if (pkg->transmission_type == MDFLD_DSI_LP_TRANSMISSION) { - /* wait_for_lp_fifos_empty(sender); */ - /* Send pkg*/ - REG_WRITE(lp_gen_ctrl_reg, gen_ctrl_val); - } else { - dev_err(dev->dev, "Unknown transmission type %d\n", - pkg->transmission_type); - return -EINVAL; - } - - return 0; -} - -static int __send_long_pkg(struct mdfld_dsi_pkg_sender *sender, - struct mdfld_dsi_pkg *pkg) -{ - struct drm_device *dev = sender->dev; - u32 hs_gen_ctrl_reg = sender->mipi_hs_gen_ctrl_reg; - u32 hs_gen_data_reg = sender->mipi_hs_gen_data_reg; - u32 lp_gen_ctrl_reg = sender->mipi_lp_gen_ctrl_reg; - u32 lp_gen_data_reg = sender->mipi_lp_gen_data_reg; - u32 gen_ctrl_val = 0; - u32 *dp; - int i; - struct mdfld_dsi_gen_long_pkg *long_pkg = &pkg->pkg.long_pkg; - - dp = long_pkg->data; - - /* - * Set up word count for long pkg - * FIXME: double check word count field. - * currently, using the byte counts of the payload as the word count. - * ------------------------------------------------------------ - * | DI | WC | ECC| PAYLOAD |CHECKSUM| - * ------------------------------------------------------------ - */ - gen_ctrl_val |= (long_pkg->len << 2) << WORD_COUNTS_POS; - gen_ctrl_val |= 0 << DCS_CHANNEL_NUMBER_POS; - gen_ctrl_val |= pkg->pkg_type; - - if (pkg->transmission_type == MDFLD_DSI_HS_TRANSMISSION) { - /* Wait for hs ctrl and data fifos to be empty */ - /* wait_for_hs_fifos_empty(sender); */ - for (i = 0; i < long_pkg->len; i++) - REG_WRITE(hs_gen_data_reg, *(dp + i)); - REG_WRITE(hs_gen_ctrl_reg, gen_ctrl_val); - } else if (pkg->transmission_type == MDFLD_DSI_LP_TRANSMISSION) { - /* wait_for_lp_fifos_empty(sender); */ - for (i = 0; i < long_pkg->len; i++) - REG_WRITE(lp_gen_data_reg, *(dp + i)); - REG_WRITE(lp_gen_ctrl_reg, gen_ctrl_val); - } else { - dev_err(dev->dev, "Unknown transmission type %d\n", - pkg->transmission_type); - return -EINVAL; - } - - return 0; - -} - -static int send_mcs_short_pkg(struct mdfld_dsi_pkg_sender *sender, - struct mdfld_dsi_pkg *pkg) -{ - return __send_short_pkg(sender, pkg); -} - -static int send_mcs_long_pkg(struct mdfld_dsi_pkg_sender *sender, - struct mdfld_dsi_pkg *pkg) -{ - return __send_long_pkg(sender, pkg); -} - -static int send_gen_short_pkg(struct mdfld_dsi_pkg_sender *sender, - struct mdfld_dsi_pkg *pkg) -{ - return __send_short_pkg(sender, pkg); -} - -static int send_gen_long_pkg(struct mdfld_dsi_pkg_sender *sender, - struct mdfld_dsi_pkg *pkg) -{ - return __send_long_pkg(sender, pkg); -} - -static int send_pkg_prepare(struct mdfld_dsi_pkg_sender *sender, - struct mdfld_dsi_pkg *pkg) -{ - u8 cmd; - u8 *data; - - switch (pkg->pkg_type) { - case MDFLD_DSI_PKG_DCS: - cmd = pkg->pkg.dcs_pkg.cmd; - break; - case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0: - case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1: - cmd = pkg->pkg.short_pkg.cmd; - break; - case MDFLD_DSI_PKG_MCS_LONG_WRITE: - data = (u8 *)pkg->pkg.long_pkg.data; - cmd = *data; - break; - default: - return 0; - } - - /* This prevents other package sending while doing msleep */ - sender->status = MDFLD_DSI_PKG_SENDER_BUSY; - - /* Check panel mode v.s. sending command */ - if ((sender->panel_mode & MDFLD_DSI_PANEL_MODE_SLEEP) && - cmd != exit_sleep_mode) { - dev_err(sender->dev->dev, - "sending 0x%x when panel sleep in\n", cmd); - sender->status = MDFLD_DSI_PKG_SENDER_FREE; - return -EINVAL; - } - - /* Wait for 120 milliseconds in case exit_sleep_mode just be sent */ - if (cmd == DCS_ENTER_SLEEP_MODE) { - /*TODO: replace it with msleep later*/ - mdelay(120); - } - return 0; -} - -static int send_pkg_done(struct mdfld_dsi_pkg_sender *sender, - struct mdfld_dsi_pkg *pkg) -{ - u8 cmd; - u8 *data; - - switch (pkg->pkg_type) { - case MDFLD_DSI_PKG_DCS: - cmd = pkg->pkg.dcs_pkg.cmd; - break; - case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0: - case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1: - cmd = pkg->pkg.short_pkg.cmd; - break; - case MDFLD_DSI_PKG_MCS_LONG_WRITE: - data = (u8 *)pkg->pkg.long_pkg.data; - cmd = *data; - break; - default: - return 0; - } - - /* Update panel status */ - if (cmd == DCS_ENTER_SLEEP_MODE) { - sender->panel_mode |= MDFLD_DSI_PANEL_MODE_SLEEP; - /*TODO: replace it with msleep later*/ - mdelay(120); - } else if (cmd == DCS_EXIT_SLEEP_MODE) { - sender->panel_mode &= ~MDFLD_DSI_PANEL_MODE_SLEEP; - /*TODO: replace it with msleep later*/ - mdelay(120); - } else if (unlikely(cmd == DCS_SOFT_RESET)) { - /*TODO: replace it with msleep later*/ - mdelay(5); - } - sender->status = MDFLD_DSI_PKG_SENDER_FREE; - return 0; - -} - -static int do_send_pkg(struct mdfld_dsi_pkg_sender *sender, - struct mdfld_dsi_pkg *pkg) -{ - int ret; - - if (sender->status == MDFLD_DSI_PKG_SENDER_BUSY) { - dev_err(sender->dev->dev, "sender is busy\n"); - return -EAGAIN; - } - - ret = send_pkg_prepare(sender, pkg); - if (ret) { - dev_err(sender->dev->dev, "send_pkg_prepare error\n"); - return ret; - } - - switch (pkg->pkg_type) { - case MDFLD_DSI_PKG_DCS: - ret = send_dcs_pkg(sender, pkg); - break; - case MDFLD_DSI_PKG_GEN_SHORT_WRITE_0: - case MDFLD_DSI_PKG_GEN_SHORT_WRITE_1: - case MDFLD_DSI_PKG_GEN_SHORT_WRITE_2: - case MDFLD_DSI_PKG_GEN_READ_0: - case MDFLD_DSI_PKG_GEN_READ_1: - case MDFLD_DSI_PKG_GEN_READ_2: - ret = send_gen_short_pkg(sender, pkg); - break; - case MDFLD_DSI_PKG_GEN_LONG_WRITE: - ret = send_gen_long_pkg(sender, pkg); - break; - case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0: - case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1: - case MDFLD_DSI_PKG_MCS_READ: - ret = send_mcs_short_pkg(sender, pkg); - break; - case MDFLD_DSI_PKG_MCS_LONG_WRITE: - ret = send_mcs_long_pkg(sender, pkg); - break; - default: - dev_err(sender->dev->dev, "Invalid pkg type 0x%x\n", - pkg->pkg_type); - ret = -EINVAL; - } - send_pkg_done(sender, pkg); - return ret; -} - -static int send_pkg(struct mdfld_dsi_pkg_sender *sender, - struct mdfld_dsi_pkg *pkg) -{ - int err ; - - /* Handle DSI error */ - err = dsi_error_handler(sender); - if (err) { - dev_err(sender->dev->dev, "Error handling failed\n"); - err = -EAGAIN; - goto send_pkg_err; - } - - /* Send pkg */ - err = do_send_pkg(sender, pkg); - if (err) { - dev_err(sender->dev->dev, "sent pkg failed\n"); - err = -EAGAIN; - goto send_pkg_err; - } - - /* FIXME: should I query complete and fifo empty here? */ -send_pkg_err: - return err; -} - -static struct mdfld_dsi_pkg *pkg_sender_get_pkg_locked( - struct mdfld_dsi_pkg_sender *sender) -{ - struct mdfld_dsi_pkg *pkg; - - if (list_empty(&sender->free_list)) { - dev_err(sender->dev->dev, "No free pkg left\n"); - return NULL; - } - pkg = list_first_entry(&sender->free_list, struct mdfld_dsi_pkg, entry); - /* Detach from free list */ - list_del_init(&pkg->entry); - return pkg; -} - -static void pkg_sender_put_pkg_locked(struct mdfld_dsi_pkg_sender *sender, - struct mdfld_dsi_pkg *pkg) -{ - memset(pkg, 0, sizeof(struct mdfld_dsi_pkg)); - INIT_LIST_HEAD(&pkg->entry); - list_add_tail(&pkg->entry, &sender->free_list); -} - -static int mdfld_dbi_cb_init(struct mdfld_dsi_pkg_sender *sender, - struct psb_gtt *pg, int pipe) -{ - unsigned long phys; - void *virt_addr = NULL; - - switch (pipe) { - case 0: - /* FIXME: Doesn't this collide with stolen space ? */ - phys = pg->gtt_phys_start - 0x1000; - break; - case 2: - phys = pg->gtt_phys_start - 0x800; - break; - default: - dev_err(sender->dev->dev, "Unsupported channel %d\n", pipe); - return -EINVAL; - } - - virt_addr = ioremap_nocache(phys, 0x800); - if (!virt_addr) { - dev_err(sender->dev->dev, "Map DBI command buffer error\n"); - return -ENOMEM; - } - sender->dbi_cb_phy = phys; - sender->dbi_cb_addr = virt_addr; - return 0; -} - -static void mdfld_dbi_cb_destroy(struct mdfld_dsi_pkg_sender *sender) -{ - if (sender && sender->dbi_cb_addr) - iounmap(sender->dbi_cb_addr); -} - -static void pkg_sender_queue_pkg(struct mdfld_dsi_pkg_sender *sender, - struct mdfld_dsi_pkg *pkg, - int delay) -{ - unsigned long flags; - - spin_lock_irqsave(&sender->lock, flags); - - if (!delay) { - send_pkg(sender, pkg); - pkg_sender_put_pkg_locked(sender, pkg); - } else { - /* Queue it */ - list_add_tail(&pkg->entry, &sender->pkg_list); - } - spin_unlock_irqrestore(&sender->lock, flags); -} - -static void process_pkg_list(struct mdfld_dsi_pkg_sender *sender) -{ - struct mdfld_dsi_pkg *pkg; - unsigned long flags; - - spin_lock_irqsave(&sender->lock, flags); - - while (!list_empty(&sender->pkg_list)) { - pkg = list_first_entry(&sender->pkg_list, - struct mdfld_dsi_pkg, entry); - send_pkg(sender, pkg); - list_del_init(&pkg->entry); - pkg_sender_put_pkg_locked(sender, pkg); - } - - spin_unlock_irqrestore(&sender->lock, flags); -} - -static int mdfld_dsi_send_mcs_long(struct mdfld_dsi_pkg_sender *sender, - u32 *data, u32 len, u8 transmission, int delay) -{ - struct mdfld_dsi_pkg *pkg; - unsigned long flags; - - spin_lock_irqsave(&sender->lock, flags); - pkg = pkg_sender_get_pkg_locked(sender); - spin_unlock_irqrestore(&sender->lock, flags); - - if (!pkg) { - dev_err(sender->dev->dev, "No memory\n"); - return -ENOMEM; - } - pkg->pkg_type = MDFLD_DSI_PKG_MCS_LONG_WRITE; - pkg->transmission_type = transmission; - pkg->pkg.long_pkg.data = data; - pkg->pkg.long_pkg.len = len; - INIT_LIST_HEAD(&pkg->entry); - - pkg_sender_queue_pkg(sender, pkg, delay); - return 0; -} - -static int mdfld_dsi_send_mcs_short(struct mdfld_dsi_pkg_sender *sender, - u8 cmd, u8 param, u8 param_num, - u8 transmission, - int delay) -{ - struct mdfld_dsi_pkg *pkg; - unsigned long flags; - - spin_lock_irqsave(&sender->lock, flags); - pkg = pkg_sender_get_pkg_locked(sender); - spin_unlock_irqrestore(&sender->lock, flags); - - if (!pkg) { - dev_err(sender->dev->dev, "No memory\n"); - return -ENOMEM; - } - - if (param_num) { - pkg->pkg_type = MDFLD_DSI_PKG_MCS_SHORT_WRITE_1; - pkg->pkg.short_pkg.param = param; - } else { - pkg->pkg_type = MDFLD_DSI_PKG_MCS_SHORT_WRITE_0; - pkg->pkg.short_pkg.param = 0; - } - pkg->transmission_type = transmission; - pkg->pkg.short_pkg.cmd = cmd; - INIT_LIST_HEAD(&pkg->entry); - - pkg_sender_queue_pkg(sender, pkg, delay); - return 0; -} - -static int mdfld_dsi_send_gen_short(struct mdfld_dsi_pkg_sender *sender, - u8 param0, u8 param1, u8 param_num, - u8 transmission, - int delay) -{ - struct mdfld_dsi_pkg *pkg; - unsigned long flags; - - spin_lock_irqsave(&sender->lock, flags); - pkg = pkg_sender_get_pkg_locked(sender); - spin_unlock_irqrestore(&sender->lock, flags); - - if (!pkg) { - dev_err(sender->dev->dev, "No pkg memory\n"); - return -ENOMEM; - } - - switch (param_num) { - case 0: - pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_0; - pkg->pkg.short_pkg.cmd = 0; - pkg->pkg.short_pkg.param = 0; - break; - case 1: - pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_1; - pkg->pkg.short_pkg.cmd = param0; - pkg->pkg.short_pkg.param = 0; - break; - case 2: - pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_2; - pkg->pkg.short_pkg.cmd = param0; - pkg->pkg.short_pkg.param = param1; - break; - } - - pkg->transmission_type = transmission; - INIT_LIST_HEAD(&pkg->entry); - - pkg_sender_queue_pkg(sender, pkg, delay); - return 0; -} - -static int mdfld_dsi_send_gen_long(struct mdfld_dsi_pkg_sender *sender, - u32 *data, u32 len, u8 transmission, int delay) -{ - struct mdfld_dsi_pkg *pkg; - unsigned long flags; - - spin_lock_irqsave(&sender->lock, flags); - pkg = pkg_sender_get_pkg_locked(sender); - spin_unlock_irqrestore(&sender->lock, flags); - - if (!pkg) { - dev_err(sender->dev->dev, "No pkg memory\n"); - return -ENOMEM; - } - - pkg->pkg_type = MDFLD_DSI_PKG_GEN_LONG_WRITE; - pkg->transmission_type = transmission; - pkg->pkg.long_pkg.data = data; - pkg->pkg.long_pkg.len = len; - - INIT_LIST_HEAD(&pkg->entry); - - pkg_sender_queue_pkg(sender, pkg, delay); - - return 0; -} - -static int __read_panel_data(struct mdfld_dsi_pkg_sender *sender, - struct mdfld_dsi_pkg *pkg, - u32 *data, - u16 len) -{ - unsigned long flags; - struct drm_device *dev = sender->dev; - int i; - u32 gen_data_reg; - int retry = MDFLD_DSI_READ_MAX_COUNT; - u8 transmission = pkg->transmission_type; - - /* - * do reading. - * 0) send out generic read request - * 1) polling read data avail interrupt - * 2) read data - */ - spin_lock_irqsave(&sender->lock, flags); - - REG_WRITE(sender->mipi_intr_stat_reg, 1 << 29); - - if ((REG_READ(sender->mipi_intr_stat_reg) & (1 << 29))) - DRM_ERROR("Can NOT clean read data valid interrupt\n"); - - /*send out read request*/ - send_pkg(sender, pkg); - - pkg_sender_put_pkg_locked(sender, pkg); - - /*polling read data avail interrupt*/ - while (retry && !(REG_READ(sender->mipi_intr_stat_reg) & (1 << 29))) { - udelay(100); - retry--; - } - - if (!retry) { - spin_unlock_irqrestore(&sender->lock, flags); - return -ETIMEDOUT; - } - - REG_WRITE(sender->mipi_intr_stat_reg, (1 << 29)); - - /*read data*/ - if (transmission == MDFLD_DSI_HS_TRANSMISSION) - gen_data_reg = sender->mipi_hs_gen_data_reg; - else if (transmission == MDFLD_DSI_LP_TRANSMISSION) - gen_data_reg = sender->mipi_lp_gen_data_reg; - else { - DRM_ERROR("Unknown transmission"); - spin_unlock_irqrestore(&sender->lock, flags); - return -EINVAL; - } - - for (i=0; i<len; i++) - *(data + i) = REG_READ(gen_data_reg); - - spin_unlock_irqrestore(&sender->lock, flags); - - return 0; -} - -static int mdfld_dsi_read_gen(struct mdfld_dsi_pkg_sender *sender, - u8 param0, - u8 param1, - u8 param_num, - u32 *data, - u16 len, - u8 transmission) -{ - struct mdfld_dsi_pkg *pkg; - unsigned long flags; - - spin_lock_irqsave(&sender->lock, flags); - - pkg = pkg_sender_get_pkg_locked(sender); - - spin_unlock_irqrestore(&sender->lock,flags); - - if (!pkg) { - dev_err(sender->dev->dev, "No pkg memory\n"); - return -ENOMEM; - } - - switch (param_num) { - case 0: - pkg->pkg_type = MDFLD_DSI_PKG_GEN_READ_0; - pkg->pkg.short_pkg.cmd = 0; - pkg->pkg.short_pkg.param = 0; - break; - case 1: - pkg->pkg_type = MDFLD_DSI_PKG_GEN_READ_1; - pkg->pkg.short_pkg.cmd = param0; - pkg->pkg.short_pkg.param = 0; - break; - case 2: - pkg->pkg_type = MDFLD_DSI_PKG_GEN_READ_2; - pkg->pkg.short_pkg.cmd = param0; - pkg->pkg.short_pkg.param = param1; - break; - } - - pkg->transmission_type = transmission; - - INIT_LIST_HEAD(&pkg->entry); - - return __read_panel_data(sender, pkg, data, len); -} - -static int mdfld_dsi_read_mcs(struct mdfld_dsi_pkg_sender *sender, - u8 cmd, - u32 *data, - u16 len, - u8 transmission) -{ - struct mdfld_dsi_pkg *pkg; - unsigned long flags; - - spin_lock_irqsave(&sender->lock, flags); - - pkg = pkg_sender_get_pkg_locked(sender); - - spin_unlock_irqrestore(&sender->lock, flags); - - if (!pkg) { - dev_err(sender->dev->dev, "No pkg memory\n"); - return -ENOMEM; - } - - pkg->pkg_type = MDFLD_DSI_PKG_MCS_READ; - pkg->pkg.short_pkg.cmd = cmd; - pkg->pkg.short_pkg.param = 0; - - pkg->transmission_type = transmission; - - INIT_LIST_HEAD(&pkg->entry); - - return __read_panel_data(sender, pkg, data, len); -} - -void dsi_controller_dbi_init(struct mdfld_dsi_config * dsi_config, int pipe) -{ - struct drm_device * dev = dsi_config->dev; - u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0; - int lane_count = dsi_config->lane_count; - u32 val = 0; - - /*un-ready device*/ - REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000); - - /*init dsi adapter before kicking off*/ - REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018); - - /*TODO: figure out how to setup these registers*/ - REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408); - REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), 0x000a0014); - REG_WRITE((MIPIA_DBI_BW_CTRL_REG + reg_offset), 0x00000400); - REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000001); - REG_WRITE((MIPIA_HS_LS_DBI_ENABLE_REG + reg_offset), 0x00000000); - - /*enable all interrupts*/ - REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff); - /*max value: 20 clock cycles of txclkesc*/ - REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x0000001f); - /*min 21 txclkesc, max: ffffh*/ - REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0x0000ffff); - /*min: 7d0 max: 4e20*/ - REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x00000fa0); - - /*set up max return packet size*/ - REG_WRITE((MIPIA_MAX_RETURN_PACK_SIZE_REG + reg_offset), - MDFLD_DSI_MAX_RETURN_PACKET_SIZE); - - /*set up func_prg*/ - val |= lane_count; - val |= (dsi_config->channel_num << DSI_DBI_VIRT_CHANNEL_OFFSET); - val |= DSI_DBI_COLOR_FORMAT_OPTION2; - REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val); - - REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 0x3fffff); - REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff); - - REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46); - REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000); - REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004); - REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001); -} - -void dsi_controller_dpi_init(struct mdfld_dsi_config * dsi_config, int pipe) -{ - struct drm_device * dev = dsi_config->dev; - u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0; - int lane_count = dsi_config->lane_count; - struct mdfld_dsi_dpi_timing dpi_timing; - struct drm_display_mode * mode = dsi_config->mode; - u32 val = 0; - - /*un-ready device*/ - REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000); - - /*init dsi adapter before kicking off*/ - REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018); - - /*enable all interrupts*/ - REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff); - - /*set up func_prg*/ - val |= lane_count; - val |= dsi_config->channel_num << DSI_DPI_VIRT_CHANNEL_OFFSET; - - switch(dsi_config->bpp) { - case 16: - val |= DSI_DPI_COLOR_FORMAT_RGB565; - break; - case 18: - val |= DSI_DPI_COLOR_FORMAT_RGB666; - break; - case 24: - val |= DSI_DPI_COLOR_FORMAT_RGB888; - break; - default: - DRM_ERROR("unsupported color format, bpp = %d\n", dsi_config->bpp); - } - - REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val); - - REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), - (mode->vtotal * mode->htotal * dsi_config->bpp / (8 * lane_count)) & DSI_HS_TX_TIMEOUT_MASK); - REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff & DSI_LP_RX_TIMEOUT_MASK); - - /*max value: 20 clock cycles of txclkesc*/ - REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x14 & DSI_TURN_AROUND_TIMEOUT_MASK); - - /*min 21 txclkesc, max: ffffh*/ - REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0xffff & DSI_RESET_TIMER_MASK); - - REG_WRITE((MIPIA_DPI_RESOLUTION_REG + reg_offset), mode->vdisplay << 16 | mode->hdisplay); - - /*set DPI timing registers*/ - mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing, dsi_config->lane_count, dsi_config->bpp); - - REG_WRITE((MIPIA_HSYNC_COUNT_REG + reg_offset), dpi_timing.hsync_count & DSI_DPI_TIMING_MASK); - REG_WRITE((MIPIA_HBP_COUNT_REG + reg_offset), dpi_timing.hbp_count & DSI_DPI_TIMING_MASK); - REG_WRITE((MIPIA_HFP_COUNT_REG + reg_offset), dpi_timing.hfp_count & DSI_DPI_TIMING_MASK); - REG_WRITE((MIPIA_HACTIVE_COUNT_REG + reg_offset), dpi_timing.hactive_count & DSI_DPI_TIMING_MASK); - REG_WRITE((MIPIA_VSYNC_COUNT_REG + reg_offset), dpi_timing.vsync_count & DSI_DPI_TIMING_MASK); - REG_WRITE((MIPIA_VBP_COUNT_REG + reg_offset), dpi_timing.vbp_count & DSI_DPI_TIMING_MASK); - REG_WRITE((MIPIA_VFP_COUNT_REG + reg_offset), dpi_timing.vfp_count & DSI_DPI_TIMING_MASK); - - REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46); - - /*min: 7d0 max: 4e20*/ - REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x000007d0); - - /*set up video mode*/ - val = dsi_config->video_mode | DSI_DPI_COMPLETE_LAST_LINE; - REG_WRITE((MIPIA_VIDEO_MODE_FORMAT_REG + reg_offset), val); - - REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000); - - REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004); - - /*TODO: figure out how to setup these registers*/ - REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408); - - REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), (0xa << 16) | 0x14); - - /*set device ready*/ - REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001); -} - -static void dsi_controller_init(struct mdfld_dsi_config * dsi_config, int pipe) -{ - if (!dsi_config || ((pipe != 0) && (pipe != 2))) { - DRM_ERROR("Invalid parameters\n"); - return; - } - - if (dsi_config->type == MDFLD_DSI_ENCODER_DPI) - dsi_controller_dpi_init(dsi_config, pipe); - else if (dsi_config->type == MDFLD_DSI_ENCODER_DBI) - dsi_controller_dbi_init(dsi_config, pipe); - else - DRM_ERROR("Bad DSI encoder type\n"); -} - -void mdfld_dsi_cmds_kick_out(struct mdfld_dsi_pkg_sender *sender) -{ - process_pkg_list(sender); -} - -int mdfld_dsi_send_dcs(struct mdfld_dsi_pkg_sender *sender, - u8 dcs, u8 *param, u32 param_num, u8 data_src, - int delay) -{ - struct mdfld_dsi_pkg *pkg; - u32 cb_phy = sender->dbi_cb_phy; - struct drm_device *dev = sender->dev; - u32 index = 0; - u8 *cb = (u8 *)sender->dbi_cb_addr; - unsigned long flags; - int retry; - u8 *dst = NULL; - u32 len; - - if (!sender) { - WARN_ON(1); - return -EINVAL; - } - - if (!sender->dbi_pkg_support) { - dev_err(dev->dev, "No DBI pkg sending on this sender\n"); - return -ENOTSUPP; - } - - if (param_num > MDFLD_MAX_DCS_PARAM) { - dev_err(dev->dev, "Sender only supports up to %d DCS params\n", - MDFLD_MAX_DCS_PARAM); - return -EINVAL; - } - - /* - * If dcs is write_mem_start, send it directly using DSI adapter - * interface - */ - if (dcs == DCS_WRITE_MEM_START) { - if (!spin_trylock(&sender->lock)) - return -EAGAIN; - - /* - * query whether DBI FIFO is empty, - * if not wait it becoming empty - */ - retry = MDFLD_DSI_DBI_FIFO_TIMEOUT; - while (retry && - !(REG_READ(sender->mipi_gen_fifo_stat_reg) & (1 << 27))) { - udelay(500); - retry--; - } - - /* If DBI FIFO timeout, drop this frame */ - if (!retry) { - spin_unlock(&sender->lock); - return 0; - } - - *(cb + (index++)) = write_mem_start; - - REG_WRITE(sender->mipi_cmd_len_reg, 1); - REG_WRITE(sender->mipi_cmd_addr_reg, - cb_phy | (1 << 0) | (1 << 1)); - - retry = MDFLD_DSI_DBI_FIFO_TIMEOUT; - while (retry && - (REG_READ(sender->mipi_cmd_addr_reg) & (1 << 0))) { - udelay(1); - retry--; - } - - spin_unlock(&sender->lock); - return 0; - } - - /* Get a free pkg */ - spin_lock_irqsave(&sender->lock, flags); - pkg = pkg_sender_get_pkg_locked(sender); - spin_unlock_irqrestore(&sender->lock, flags); - - if (!pkg) { - dev_err(dev->dev, "No packages memory\n"); - return -ENOMEM; - } - - dst = pkg->pkg.dcs_pkg.param; - memcpy(dst, param, param_num); - - pkg->pkg_type = MDFLD_DSI_PKG_DCS; - pkg->transmission_type = MDFLD_DSI_DCS; - pkg->pkg.dcs_pkg.cmd = dcs; - pkg->pkg.dcs_pkg.param_num = param_num; - pkg->pkg.dcs_pkg.data_src = data_src; - - INIT_LIST_HEAD(&pkg->entry); - - if (param_num == 0) - return mdfld_dsi_send_mcs_short_hs(sender, dcs, 0, 0, delay); - else if (param_num == 1) - return mdfld_dsi_send_mcs_short_hs(sender, dcs, - param[0], 1, delay); - else if (param_num > 1) { - len = (param_num + 1) / 4; - if ((param_num + 1) % 4) - len++; - return mdfld_dsi_send_mcs_long_hs(sender, - (u32 *)&pkg->pkg.dcs_pkg, len, delay); - } - return 0; -} - -int mdfld_dsi_send_mcs_short_hs(struct mdfld_dsi_pkg_sender *sender, - u8 cmd, u8 param, u8 param_num, int delay) -{ - if (!sender) { - WARN_ON(1); - return -EINVAL; - } - return mdfld_dsi_send_mcs_short(sender, cmd, param, param_num, - MDFLD_DSI_HS_TRANSMISSION, delay); -} - -int mdfld_dsi_send_mcs_short_lp(struct mdfld_dsi_pkg_sender *sender, - u8 cmd, u8 param, u8 param_num, int delay) -{ - if (!sender) { - WARN_ON(1); - return -EINVAL; - } - return mdfld_dsi_send_mcs_short(sender, cmd, param, param_num, - MDFLD_DSI_LP_TRANSMISSION, delay); -} - -int mdfld_dsi_send_mcs_long_hs(struct mdfld_dsi_pkg_sender *sender, - u32 *data, - u32 len, - int delay) -{ - if (!sender || !data || !len) { - DRM_ERROR("Invalid parameters\n"); - return -EINVAL; - } - return mdfld_dsi_send_mcs_long(sender, data, len, - MDFLD_DSI_HS_TRANSMISSION, delay); -} - -int mdfld_dsi_send_mcs_long_lp(struct mdfld_dsi_pkg_sender *sender, - u32 *data, - u32 len, - int delay) -{ - if (!sender || !data || !len) { - WARN_ON(1); - return -EINVAL; - } - return mdfld_dsi_send_mcs_long(sender, data, len, - MDFLD_DSI_LP_TRANSMISSION, delay); -} - -int mdfld_dsi_send_gen_short_hs(struct mdfld_dsi_pkg_sender *sender, - u8 param0, u8 param1, u8 param_num, int delay) -{ - if (!sender) { - WARN_ON(1); - return -EINVAL; - } - return mdfld_dsi_send_gen_short(sender, param0, param1, param_num, - MDFLD_DSI_HS_TRANSMISSION, delay); -} - -int mdfld_dsi_send_gen_short_lp(struct mdfld_dsi_pkg_sender *sender, - u8 param0, u8 param1, u8 param_num, int delay) -{ - if (!sender || param_num < 0 || param_num > 2) { - WARN_ON(1); - return -EINVAL; - } - return mdfld_dsi_send_gen_short(sender, param0, param1, param_num, - MDFLD_DSI_LP_TRANSMISSION, delay); -} - -int mdfld_dsi_send_gen_long_hs(struct mdfld_dsi_pkg_sender *sender, - u32 *data, - u32 len, - int delay) -{ - if (!sender || !data || !len) { - WARN_ON(1); - return -EINVAL; - } - return mdfld_dsi_send_gen_long(sender, data, len, - MDFLD_DSI_HS_TRANSMISSION, delay); -} - -int mdfld_dsi_send_gen_long_lp(struct mdfld_dsi_pkg_sender *sender, - u32 *data, - u32 len, - int delay) -{ - if (!sender || !data || !len) { - WARN_ON(1); - return -EINVAL; - } - return mdfld_dsi_send_gen_long(sender, data, len, - MDFLD_DSI_LP_TRANSMISSION, delay); -} - -int mdfld_dsi_read_gen_hs(struct mdfld_dsi_pkg_sender *sender, - u8 param0, - u8 param1, - u8 param_num, - u32 *data, - u16 len) -{ - if (!sender || !data || param_num < 0 || param_num > 2 - || !data || !len) { - DRM_ERROR("Invalid parameters\n"); - return -EINVAL; - } - - return mdfld_dsi_read_gen(sender, param0, param1, param_num, - data, len, MDFLD_DSI_HS_TRANSMISSION); - -} - -int mdfld_dsi_read_gen_lp(struct mdfld_dsi_pkg_sender *sender, - u8 param0, - u8 param1, - u8 param_num, - u32 *data, - u16 len) -{ - if (!sender || !data || param_num < 0 || param_num > 2 - || !data || !len) { - DRM_ERROR("Invalid parameters\n"); - return -EINVAL; - } - - return mdfld_dsi_read_gen(sender, param0, param1, param_num, - data, len, MDFLD_DSI_LP_TRANSMISSION); -} - -int mdfld_dsi_read_mcs_hs(struct mdfld_dsi_pkg_sender *sender, - u8 cmd, - u32 *data, - u16 len) -{ - if (!sender || !data || !len) { - DRM_ERROR("Invalid parameters\n"); - return -EINVAL; - } - - return mdfld_dsi_read_mcs(sender, cmd, data, len, - MDFLD_DSI_HS_TRANSMISSION); -} - -int mdfld_dsi_read_mcs_lp(struct mdfld_dsi_pkg_sender *sender, - u8 cmd, - u32 *data, - u16 len) -{ - if (!sender || !data || !len) { - WARN_ON(1); - return -EINVAL; - } - - return mdfld_dsi_read_mcs(sender, cmd, data, len, - MDFLD_DSI_LP_TRANSMISSION); -} - -int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector, - int pipe) -{ - int ret; - struct mdfld_dsi_pkg_sender *pkg_sender; - struct mdfld_dsi_config *dsi_config = - mdfld_dsi_get_config(dsi_connector); - struct drm_device *dev = dsi_config->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct psb_gtt *pg = &dev_priv->gtt; - int i; - struct mdfld_dsi_pkg *pkg, *tmp; - u32 mipi_val = 0; - - if (!dsi_connector) { - WARN_ON(1); - return -EINVAL; - } - - pkg_sender = dsi_connector->pkg_sender; - - if (!pkg_sender || IS_ERR(pkg_sender)) { - pkg_sender = kzalloc(sizeof(struct mdfld_dsi_pkg_sender), - GFP_KERNEL); - if (!pkg_sender) { - dev_err(dev->dev, "Create DSI pkg sender failed\n"); - return -ENOMEM; - } - - dsi_connector->pkg_sender = (void *)pkg_sender; - } - - pkg_sender->dev = dev; - pkg_sender->dsi_connector = dsi_connector; - pkg_sender->pipe = pipe; - pkg_sender->pkg_num = 0; - pkg_sender->panel_mode = 0; - pkg_sender->status = MDFLD_DSI_PKG_SENDER_FREE; - - /* Init dbi command buffer*/ - - if (dsi_config->type == MDFLD_DSI_ENCODER_DBI) { - pkg_sender->dbi_pkg_support = 1; - ret = mdfld_dbi_cb_init(pkg_sender, pg, pipe); - if (ret) { - dev_err(dev->dev, "DBI command buffer map failed\n"); - goto mapping_err; - } - } - - /* Init regs */ - if (pipe == 0) { - pkg_sender->dpll_reg = MRST_DPLL_A; - pkg_sender->dspcntr_reg = DSPACNTR; - pkg_sender->pipeconf_reg = PIPEACONF; - pkg_sender->dsplinoff_reg = DSPALINOFF; - pkg_sender->dspsurf_reg = DSPASURF; - pkg_sender->pipestat_reg = PIPEASTAT; - - pkg_sender->mipi_intr_stat_reg = MIPIA_INTR_STAT_REG; - pkg_sender->mipi_lp_gen_data_reg = MIPIA_LP_GEN_DATA_REG; - pkg_sender->mipi_hs_gen_data_reg = MIPIA_HS_GEN_DATA_REG; - pkg_sender->mipi_lp_gen_ctrl_reg = MIPIA_LP_GEN_CTRL_REG; - pkg_sender->mipi_hs_gen_ctrl_reg = MIPIA_HS_GEN_CTRL_REG; - pkg_sender->mipi_gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG; - pkg_sender->mipi_data_addr_reg = MIPIA_DATA_ADD_REG; - pkg_sender->mipi_data_len_reg = MIPIA_DATA_LEN_REG; - pkg_sender->mipi_cmd_addr_reg = MIPIA_CMD_ADD_REG; - pkg_sender->mipi_cmd_len_reg = MIPIA_CMD_LEN_REG; - } else if (pipe == 2) { - pkg_sender->dpll_reg = MRST_DPLL_A; - pkg_sender->dspcntr_reg = DSPCCNTR; - pkg_sender->pipeconf_reg = PIPECCONF; - pkg_sender->dsplinoff_reg = DSPCLINOFF; - pkg_sender->dspsurf_reg = DSPCSURF; - pkg_sender->pipestat_reg = PIPECSTAT; - - pkg_sender->mipi_intr_stat_reg = - MIPIA_INTR_STAT_REG + MIPIC_REG_OFFSET; - pkg_sender->mipi_lp_gen_data_reg = - MIPIA_LP_GEN_DATA_REG + MIPIC_REG_OFFSET; - pkg_sender->mipi_hs_gen_data_reg = - MIPIA_HS_GEN_DATA_REG + MIPIC_REG_OFFSET; - pkg_sender->mipi_lp_gen_ctrl_reg = - MIPIA_LP_GEN_CTRL_REG + MIPIC_REG_OFFSET; - pkg_sender->mipi_hs_gen_ctrl_reg = - MIPIA_HS_GEN_CTRL_REG + MIPIC_REG_OFFSET; - pkg_sender->mipi_gen_fifo_stat_reg = - MIPIA_GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET; - pkg_sender->mipi_data_addr_reg = - MIPIA_DATA_ADD_REG + MIPIC_REG_OFFSET; - pkg_sender->mipi_data_len_reg = - MIPIA_DATA_LEN_REG + MIPIC_REG_OFFSET; - pkg_sender->mipi_cmd_addr_reg = - MIPIA_CMD_ADD_REG + MIPIC_REG_OFFSET; - pkg_sender->mipi_cmd_len_reg = - MIPIA_CMD_LEN_REG + MIPIC_REG_OFFSET; - } - - /* Init pkg list */ - INIT_LIST_HEAD(&pkg_sender->pkg_list); - INIT_LIST_HEAD(&pkg_sender->free_list); - - spin_lock_init(&pkg_sender->lock); - - /* Allocate free pkg pool */ - for (i = 0; i < MDFLD_MAX_PKG_NUM; i++) { - pkg = kzalloc(sizeof(struct mdfld_dsi_pkg), GFP_KERNEL); - if (!pkg) { - dev_err(dev->dev, "Out of memory allocating pkg pool"); - ret = -ENOMEM; - goto pkg_alloc_err; - } - INIT_LIST_HEAD(&pkg->entry); - list_add_tail(&pkg->entry, &pkg_sender->free_list); - } - - /* - * For video mode, don't enable DPI timing output here, - * will init the DPI timing output during mode setting. - */ - if (dsi_config->type == MDFLD_DSI_ENCODER_DPI) - mipi_val = PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX; - else if (dsi_config->type == MDFLD_DSI_ENCODER_DBI) - mipi_val = PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX - | TE_TRIGGER_GPIO_PIN; - else - DRM_ERROR("Bad DSI encoder type\n"); - - if (pipe == 0) { - mipi_val |= 0x2; - REG_WRITE(MIPI, mipi_val); - REG_READ(MIPI); - } else if (pipe == 2) { - REG_WRITE(MIPI_C, mipi_val); - REG_READ(MIPI_C); - } - - /*do dsi controller init*/ - dsi_controller_init(dsi_config, pipe); - - return 0; - -pkg_alloc_err: - list_for_each_entry_safe(pkg, tmp, &pkg_sender->free_list, entry) { - list_del(&pkg->entry); - kfree(pkg); - } - - /* Free mapped command buffer */ - mdfld_dbi_cb_destroy(pkg_sender); -mapping_err: - kfree(pkg_sender); - dsi_connector->pkg_sender = NULL; - return ret; -} - -void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender) -{ - struct mdfld_dsi_pkg *pkg, *tmp; - - if (!sender || IS_ERR(sender)) - return; - - /* Free pkg pool */ - list_for_each_entry_safe(pkg, tmp, &sender->free_list, entry) { - list_del(&pkg->entry); - kfree(pkg); - } - /* Free pkg list */ - list_for_each_entry_safe(pkg, tmp, &sender->pkg_list, entry) { - list_del(&pkg->entry); - kfree(pkg); - } - mdfld_dbi_cb_destroy(sender); /* free mapped command buffer */ - kfree(sender); -} diff --git a/drivers/staging/gma500/mdfld_dsi_pkg_sender.h b/drivers/staging/gma500/mdfld_dsi_pkg_sender.h deleted file mode 100644 index f24abc7006844c..00000000000000 --- a/drivers/staging/gma500/mdfld_dsi_pkg_sender.h +++ /dev/null @@ -1,184 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Jackie Li<yaodong.li@intel.com> - */ -#ifndef __MDFLD_DSI_PKG_SENDER_H__ -#define __MDFLD_DSI_PKG_SENDER_H__ - -#include <linux/kthread.h> - -#define MDFLD_MAX_DCS_PARAM 8 -#define MDFLD_MAX_PKG_NUM 2048 - -enum { - MDFLD_DSI_PKG_DCS, - MDFLD_DSI_PKG_GEN_SHORT_WRITE_0 = 0x03, - MDFLD_DSI_PKG_GEN_SHORT_WRITE_1 = 0x13, - MDFLD_DSI_PKG_GEN_SHORT_WRITE_2 = 0x23, - MDFLD_DSI_PKG_GEN_READ_0 = 0x04, - MDFLD_DSI_PKG_GEN_READ_1 = 0x14, - MDFLD_DSI_PKG_GEN_READ_2 = 0x24, - MDFLD_DSI_PKG_GEN_LONG_WRITE = 0x29, - MDFLD_DSI_PKG_MCS_SHORT_WRITE_0 = 0x05, - MDFLD_DSI_PKG_MCS_SHORT_WRITE_1 = 0x15, - MDFLD_DSI_PKG_MCS_READ = 0x06, - MDFLD_DSI_PKG_MCS_LONG_WRITE = 0x39, -}; - -enum { - MDFLD_DSI_LP_TRANSMISSION, - MDFLD_DSI_HS_TRANSMISSION, - MDFLD_DSI_DCS, -}; - -enum { - MDFLD_DSI_PANEL_MODE_SLEEP = 0x1, -}; - -enum { - MDFLD_DSI_PKG_SENDER_FREE = 0x0, - MDFLD_DSI_PKG_SENDER_BUSY = 0x1, -}; - -enum { - MDFLD_DSI_SEND_PACKAGE, - MDFLD_DSI_QUEUE_PACKAGE, -}; - -struct mdfld_dsi_gen_short_pkg { - u8 cmd; - u8 param; -}; - -struct mdfld_dsi_gen_long_pkg { - u32 *data; - u32 len; -}; - -struct mdfld_dsi_dcs_pkg { - u8 cmd; - u8 param[MDFLD_MAX_DCS_PARAM]; - u32 param_num; - u8 data_src; -}; - -struct mdfld_dsi_pkg { - u8 pkg_type; - u8 transmission_type; - - union { - struct mdfld_dsi_gen_short_pkg short_pkg; - struct mdfld_dsi_gen_long_pkg long_pkg; - struct mdfld_dsi_dcs_pkg dcs_pkg; - } pkg; - - struct list_head entry; -}; - -struct mdfld_dsi_pkg_sender { - struct drm_device *dev; - struct mdfld_dsi_connector *dsi_connector; - u32 status; - - u32 panel_mode; - - int pipe; - - spinlock_t lock; - struct list_head pkg_list; - struct list_head free_list; - - u32 pkg_num; - - int dbi_pkg_support; - - u32 dbi_cb_phy; - void *dbi_cb_addr; - - /* Registers */ - u32 dpll_reg; - u32 dspcntr_reg; - u32 pipeconf_reg; - u32 pipestat_reg; - u32 dsplinoff_reg; - u32 dspsurf_reg; - - u32 mipi_intr_stat_reg; - u32 mipi_lp_gen_data_reg; - u32 mipi_hs_gen_data_reg; - u32 mipi_lp_gen_ctrl_reg; - u32 mipi_hs_gen_ctrl_reg; - u32 mipi_gen_fifo_stat_reg; - u32 mipi_data_addr_reg; - u32 mipi_data_len_reg; - u32 mipi_cmd_addr_reg; - u32 mipi_cmd_len_reg; -}; - -/* DCS definitions */ -#define DCS_SOFT_RESET 0x01 -#define DCS_ENTER_SLEEP_MODE 0x10 -#define DCS_EXIT_SLEEP_MODE 0x11 -#define DCS_SET_DISPLAY_OFF 0x28 -#define DCS_SET_DISPLAY_ON 0x29 -#define DCS_SET_COLUMN_ADDRESS 0x2a -#define DCS_SET_PAGE_ADDRESS 0x2b -#define DCS_WRITE_MEM_START 0x2c -#define DCS_SET_TEAR_OFF 0x34 -#define DCS_SET_TEAR_ON 0x35 - -extern int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector, - int pipe); -extern void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender); -extern int mdfld_dsi_send_dcs(struct mdfld_dsi_pkg_sender *sender, u8 dcs, - u8 *param, u32 param_num, u8 data_src, int delay); -extern int mdfld_dsi_send_mcs_short_hs(struct mdfld_dsi_pkg_sender *sender, - u8 cmd, u8 param, u8 param_num, int delay); -extern int mdfld_dsi_send_mcs_short_lp(struct mdfld_dsi_pkg_sender *sender, - u8 cmd, u8 param, u8 param_num, int delay); -extern int mdfld_dsi_send_mcs_long_hs(struct mdfld_dsi_pkg_sender *sender, - u32 *data, u32 len, int delay); -extern int mdfld_dsi_send_mcs_long_lp(struct mdfld_dsi_pkg_sender *sender, - u32 *data, u32 len, int delay); -extern int mdfld_dsi_send_gen_short_hs(struct mdfld_dsi_pkg_sender *sender, - u8 param0, u8 param1, u8 param_num, int delay); -extern int mdfld_dsi_send_gen_short_lp(struct mdfld_dsi_pkg_sender *sender, - u8 param0, u8 param1, u8 param_num, int delay); -extern int mdfld_dsi_send_gen_long_hs(struct mdfld_dsi_pkg_sender *sender, - u32 *data, u32 len, int delay); -extern int mdfld_dsi_send_gen_long_lp(struct mdfld_dsi_pkg_sender *sender, - u32 *data, u32 len, int delay); - -extern int mdfld_dsi_read_gen_hs(struct mdfld_dsi_pkg_sender *sender, - u8 param0, u8 param1, u8 param_num, u32 *data, u16 len); -extern int mdfld_dsi_read_gen_lp(struct mdfld_dsi_pkg_sender *sender, - u8 param0, u8 param1, u8 param_num, u32 *data, u16 len); -extern int mdfld_dsi_read_mcs_hs(struct mdfld_dsi_pkg_sender *sender, - u8 cmd, u32 *data, u16 len); -extern int mdfld_dsi_read_mcs_lp(struct mdfld_dsi_pkg_sender *sender, - u8 cmd, u32 *data, u16 len); - -extern void mdfld_dsi_cmds_kick_out(struct mdfld_dsi_pkg_sender *sender); - -#endif /* __MDFLD_DSI_PKG_SENDER_H__ */ diff --git a/drivers/staging/gma500/mdfld_intel_display.c b/drivers/staging/gma500/mdfld_intel_display.c deleted file mode 100644 index 0b37b7b6b02afa..00000000000000 --- a/drivers/staging/gma500/mdfld_intel_display.c +++ /dev/null @@ -1,1404 +0,0 @@ -/* - * Copyright © 2006-2011 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Eric Anholt <eric@anholt.net> - */ - -#include "framebuffer.h" -#include "psb_intel_display.h" -#include "mdfld_dsi_dbi.h" -#include "mdfld_dsi_dpi.h" -#include "mdfld_dsi_dbi_dpu.h" - -#include <linux/pm_runtime.h> - -#ifdef MIN -#undef MIN -#endif - -#define MIN(x, y) (((x) < (y)) ? (x) : (y)) - -/* Hardcoded currently */ -static int ksel = KSEL_CRYSTAL_19; - -extern void mdfld_save_display(struct drm_device *dev); -extern bool gbgfxsuspended; - -struct psb_intel_range_t { - int min, max; -}; - -struct mdfld_limit_t { - struct psb_intel_range_t dot, m, p1; -}; - -struct mdfld_intel_clock_t { - /* given values */ - int n; - int m1, m2; - int p1, p2; - /* derived values */ - int dot; - int vco; - int m; - int p; -}; - - - -#define COUNT_MAX 0x10000000 - -void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe) -{ - int count, temp; - u32 pipeconf_reg = PIPEACONF; - - switch (pipe) { - case 0: - break; - case 1: - pipeconf_reg = PIPEBCONF; - break; - case 2: - pipeconf_reg = PIPECCONF; - break; - default: - DRM_ERROR("Illegal Pipe Number. \n"); - return; - } - - /* FIXME JLIU7_PO */ - psb_intel_wait_for_vblank(dev); - return; - - /* Wait for for the pipe disable to take effect. */ - for (count = 0; count < COUNT_MAX; count++) { - temp = REG_READ(pipeconf_reg); - if ((temp & PIPEACONF_PIPE_STATE) == 0) - break; - } -} - -void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe) -{ - int count, temp; - u32 pipeconf_reg = PIPEACONF; - - switch (pipe) { - case 0: - break; - case 1: - pipeconf_reg = PIPEBCONF; - break; - case 2: - pipeconf_reg = PIPECCONF; - break; - default: - dev_err(dev->dev, "Illegal Pipe Number.\n"); - return; - } - - /* FIXME JLIU7_PO */ - psb_intel_wait_for_vblank(dev); - return; - - /* Wait for for the pipe enable to take effect. */ - for (count = 0; count < COUNT_MAX; count++) { - temp = REG_READ(pipeconf_reg); - if ((temp & PIPEACONF_PIPE_STATE) == 1) - break; - } -} - - -static int mdfld_intel_crtc_cursor_set(struct drm_crtc *crtc, - struct drm_file *file_priv, - uint32_t handle, - uint32_t width, uint32_t height) -{ - struct drm_device *dev = crtc->dev; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - uint32_t control = CURACNTR; - uint32_t base = CURABASE; - uint32_t temp; - size_t addr = 0; - struct gtt_range *gt; - struct drm_gem_object *obj; - int ret; - - switch (pipe) { - case 0: - break; - case 1: - control = CURBCNTR; - base = CURBBASE; - break; - case 2: - control = CURCCNTR; - base = CURCBASE; - break; - default: - dev_err(dev->dev, "Illegal Pipe Number. \n"); - return -EINVAL; - } - -#if 1 /* FIXME_JLIU7 can't enalbe cursorB/C HW issue. need to remove after HW fix */ - if (pipe != 0) - return 0; -#endif - /* if we want to turn of the cursor ignore width and height */ - if (!handle) { - dev_dbg(dev->dev, "cursor off\n"); - /* turn off the cursor */ - temp = 0; - temp |= CURSOR_MODE_DISABLE; - - if (gma_power_begin(dev, true)) { - REG_WRITE(control, temp); - REG_WRITE(base, 0); - gma_power_end(dev); - } - /* Unpin the old GEM object */ - if (psb_intel_crtc->cursor_obj) { - gt = container_of(psb_intel_crtc->cursor_obj, - struct gtt_range, gem); - psb_gtt_unpin(gt); - drm_gem_object_unreference(psb_intel_crtc->cursor_obj); - psb_intel_crtc->cursor_obj = NULL; - } - return 0; - } - - /* Currently we only support 64x64 cursors */ - if (width != 64 || height != 64) { - DRM_ERROR("we currently only support 64x64 cursors\n"); - return -EINVAL; - } - - obj = drm_gem_object_lookup(dev, file_priv, handle); - if (!obj) - return -ENOENT; - - if (obj->size < width * height * 4) { - dev_dbg(dev->dev, "buffer is to small\n"); - return -ENOMEM; - } - - gt = container_of(obj, struct gtt_range, gem); - - /* Pin the memory into the GTT */ - ret = psb_gtt_pin(gt); - if (ret) { - dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle); - return ret; - } - - - addr = gt->offset; /* Or resource.start ??? */ - - psb_intel_crtc->cursor_addr = addr; - - temp = 0; - /* set the pipe for the cursor */ - temp |= (pipe << 28); - temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; - - if (gma_power_begin(dev, true)) { - REG_WRITE(control, temp); - REG_WRITE(base, addr); - gma_power_end(dev); - } - /* unpin the old GEM object */ - if (psb_intel_crtc->cursor_obj) { - gt = container_of(psb_intel_crtc->cursor_obj, - struct gtt_range, gem); - psb_gtt_unpin(gt); - drm_gem_object_unreference(psb_intel_crtc->cursor_obj); - psb_intel_crtc->cursor_obj = obj; - } - return 0; -} - -static int mdfld_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) -{ - struct drm_device *dev = crtc->dev; - struct drm_psb_private * dev_priv = (struct drm_psb_private *)dev->dev_private; - struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info; - struct psb_drm_dpu_rect rect; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - uint32_t pos = CURAPOS; - uint32_t base = CURABASE; - uint32_t temp = 0; - uint32_t addr; - - switch (pipe) { - case 0: - if (dpu_info) { - rect.x = x; - rect.y = y; - - mdfld_dbi_dpu_report_damage(dev, MDFLD_CURSORA, &rect); - mdfld_dpu_exit_dsr(dev); - } else if (!(dev_priv->dsr_fb_update & MDFLD_DSR_CURSOR_0)) - mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_CURSOR_0); - break; - case 1: - pos = CURBPOS; - base = CURBBASE; - break; - case 2: - if (dpu_info) { - mdfld_dbi_dpu_report_damage(dev, MDFLD_CURSORC, &rect); - mdfld_dpu_exit_dsr(dev); - } else if (!(dev_priv->dsr_fb_update & MDFLD_DSR_CURSOR_2)) - mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_CURSOR_2); - pos = CURCPOS; - base = CURCBASE; - break; - default: - DRM_ERROR("Illegal Pipe Number. \n"); - return -EINVAL; - } - -#if 1 /* FIXME_JLIU7 can't enable cursorB/C HW issue. need to remove after HW fix */ - if (pipe != 0) - return 0; -#endif - if (x < 0) { - temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT); - x = -x; - } - if (y < 0) { - temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT); - y = -y; - } - - temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT); - temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT); - - addr = psb_intel_crtc->cursor_addr; - - if (gma_power_begin(dev, true)) { - REG_WRITE(pos, temp); - REG_WRITE(base, addr); - gma_power_end(dev); - } - - return 0; -} - -const struct drm_crtc_funcs mdfld_intel_crtc_funcs = { - .cursor_set = mdfld_intel_crtc_cursor_set, - .cursor_move = mdfld_intel_crtc_cursor_move, - .gamma_set = psb_intel_crtc_gamma_set, - .set_config = drm_crtc_helper_set_config, - .destroy = psb_intel_crtc_destroy, -}; - -static struct drm_device globle_dev; - -void mdfld__intel_plane_set_alpha(int enable) -{ - struct drm_device *dev = &globle_dev; - int dspcntr_reg = DSPACNTR; - u32 dspcntr; - - dspcntr = REG_READ(dspcntr_reg); - - if (enable) { - dspcntr &= ~DISPPLANE_32BPP_NO_ALPHA; - dspcntr |= DISPPLANE_32BPP; - } else { - dspcntr &= ~DISPPLANE_32BPP; - dspcntr |= DISPPLANE_32BPP_NO_ALPHA; - } - - REG_WRITE(dspcntr_reg, dspcntr); -} - -int mdfld__intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb) -{ - struct drm_device *dev = crtc->dev; - /* struct drm_i915_master_private *master_priv; */ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb); - int pipe = psb_intel_crtc->pipe; - unsigned long start, offset; - int dsplinoff = DSPALINOFF; - int dspsurf = DSPASURF; - int dspstride = DSPASTRIDE; - int dspcntr_reg = DSPACNTR; - u32 dspcntr; - int ret = 0; - - memcpy(&globle_dev, dev, sizeof(struct drm_device)); - - if (!gma_power_begin(dev, true)) - return 0; - - /* no fb bound */ - if (!crtc->fb) { - dev_err(dev->dev, "No FB bound\n"); - goto psb_intel_pipe_cleaner; - } - - switch (pipe) { - case 0: - dsplinoff = DSPALINOFF; - break; - case 1: - dsplinoff = DSPBLINOFF; - dspsurf = DSPBSURF; - dspstride = DSPBSTRIDE; - dspcntr_reg = DSPBCNTR; - break; - case 2: - dsplinoff = DSPCLINOFF; - dspsurf = DSPCSURF; - dspstride = DSPCSTRIDE; - dspcntr_reg = DSPCCNTR; - break; - default: - dev_err(dev->dev, "Illegal Pipe Number.\n"); - return -EINVAL; - } - - ret = psb_gtt_pin(psbfb->gtt); - if (ret < 0) - goto psb_intel_pipe_set_base_exit; - - start = psbfb->gtt->offset; - offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8); - - REG_WRITE(dspstride, crtc->fb->pitches[0]); - dspcntr = REG_READ(dspcntr_reg); - dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; - - switch (crtc->fb->bits_per_pixel) { - case 8: - dspcntr |= DISPPLANE_8BPP; - break; - case 16: - if (crtc->fb->depth == 15) - dspcntr |= DISPPLANE_15_16BPP; - else - dspcntr |= DISPPLANE_16BPP; - break; - case 24: - case 32: - dspcntr |= DISPPLANE_32BPP_NO_ALPHA; - break; - default: - dev_err(dev->dev, "Unknown color depth\n"); - ret = -EINVAL; - goto psb_intel_pipe_set_base_exit; - } - REG_WRITE(dspcntr_reg, dspcntr); - - dev_dbg(dev->dev, "Writing base %08lX %08lX %d %d\n", - start, offset, x, y); - - REG_WRITE(dsplinoff, offset); - REG_READ(dsplinoff); - REG_WRITE(dspsurf, start); - REG_READ(dspsurf); - -psb_intel_pipe_cleaner: - /* If there was a previous display we can now unpin it */ - if (old_fb) - psb_gtt_unpin(to_psb_fb(old_fb)->gtt); - -psb_intel_pipe_set_base_exit: - gma_power_end(dev); - return ret; -} - -/** - * Disable the pipe, plane and pll. - * - */ -void mdfld_disable_crtc (struct drm_device *dev, int pipe) -{ - int dpll_reg = MRST_DPLL_A; - int dspcntr_reg = DSPACNTR; - int dspbase_reg = MRST_DSPABASE; - int pipeconf_reg = PIPEACONF; - u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG; - u32 temp; - - switch (pipe) { - case 0: - break; - case 1: - dpll_reg = MDFLD_DPLL_B; - dspcntr_reg = DSPBCNTR; - dspbase_reg = DSPBSURF; - pipeconf_reg = PIPEBCONF; - break; - case 2: - dpll_reg = MRST_DPLL_A; - dspcntr_reg = DSPCCNTR; - dspbase_reg = MDFLD_DSPCBASE; - pipeconf_reg = PIPECCONF; - gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET; - break; - default: - dev_err(dev->dev, "Illegal Pipe Number. \n"); - return; - } - - if (pipe != 1) - mdfld_dsi_gen_fifo_ready (dev, gen_fifo_stat_reg, HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY); - - /* Disable display plane */ - temp = REG_READ(dspcntr_reg); - if ((temp & DISPLAY_PLANE_ENABLE) != 0) { - REG_WRITE(dspcntr_reg, - temp & ~DISPLAY_PLANE_ENABLE); - /* Flush the plane changes */ - REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); - REG_READ(dspbase_reg); - } - - /* FIXME_JLIU7 MDFLD_PO revisit */ - /* Wait for vblank for the disable to take effect */ -/* MDFLD_PO_JLIU7 psb_intel_wait_for_vblank(dev); */ - - /* Next, disable display pipes */ - temp = REG_READ(pipeconf_reg); - if ((temp & PIPEACONF_ENABLE) != 0) { - temp &= ~PIPEACONF_ENABLE; - temp |= PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF; - REG_WRITE(pipeconf_reg, temp); - REG_READ(pipeconf_reg); - - /* Wait for for the pipe disable to take effect. */ - mdfldWaitForPipeDisable(dev, pipe); - } - - temp = REG_READ(dpll_reg); - if (temp & DPLL_VCO_ENABLE) { - if (((pipe != 1) && !((REG_READ(PIPEACONF) | REG_READ(PIPECCONF)) & PIPEACONF_ENABLE)) - || (pipe == 1)){ - temp &= ~(DPLL_VCO_ENABLE); - REG_WRITE(dpll_reg, temp); - REG_READ(dpll_reg); - /* Wait for the clocks to turn off. */ - /* FIXME_MDFLD PO may need more delay */ - udelay(500); - - if (!(temp & MDFLD_PWR_GATE_EN)) { - /* gating power of DPLL */ - REG_WRITE(dpll_reg, temp | MDFLD_PWR_GATE_EN); - /* FIXME_MDFLD PO - change 500 to 1 after PO */ - udelay(5000); - } - } - } - -} - -/** - * Sets the power management mode of the pipe and plane. - * - * This code should probably grow support for turning the cursor off and back - * on appropriately at the same time as we're turning the pipe off/on. - */ -static void mdfld_crtc_dpms(struct drm_crtc *crtc, int mode) -{ - struct drm_device *dev = crtc->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - int dpll_reg = MRST_DPLL_A; - int dspcntr_reg = DSPACNTR; - int dspbase_reg = MRST_DSPABASE; - int pipeconf_reg = PIPEACONF; - u32 pipestat_reg = PIPEASTAT; - u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG; - u32 pipeconf = dev_priv->pipeconf; - u32 dspcntr = dev_priv->dspcntr; - u32 mipi_enable_reg = MIPIA_DEVICE_READY_REG; - u32 temp; - bool enabled; - int timeout = 0; - - if (!gma_power_begin(dev, true)) - return; - - /* Ignore if system is already in DSR and in suspended state. */ - if(/*gbgfxsuspended */0 && dev_priv->dispstatus == false && mode == 3){ - if(dev_priv->rpm_enabled && pipe == 1){ - // dev_priv->is_mipi_on = false; - pm_request_idle(&dev->pdev->dev); - } - return; - }else if(mode == 0) { - //do not need to set gbdispstatus=true in crtc. - //this will be set in encoder such as mdfld_dsi_dbi_dpms - //gbdispstatus = true; - } - -/* FIXME_JLIU7 MDFLD_PO replaced w/ the following function */ -/* mdfld_dbi_dpms (struct drm_device *dev, int pipe, bool enabled) */ - - switch (pipe) { - case 0: - break; - case 1: - dpll_reg = DPLL_B; - dspcntr_reg = DSPBCNTR; - dspbase_reg = MRST_DSPBBASE; - pipeconf_reg = PIPEBCONF; - pipeconf = dev_priv->pipeconf1; - dspcntr = dev_priv->dspcntr1; - dpll_reg = MDFLD_DPLL_B; - break; - case 2: - dpll_reg = MRST_DPLL_A; - dspcntr_reg = DSPCCNTR; - dspbase_reg = MDFLD_DSPCBASE; - pipeconf_reg = PIPECCONF; - pipestat_reg = PIPECSTAT; - pipeconf = dev_priv->pipeconf2; - dspcntr = dev_priv->dspcntr2; - gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET; - mipi_enable_reg = MIPIA_DEVICE_READY_REG + MIPIC_REG_OFFSET; - break; - default: - dev_err(dev->dev, "Illegal Pipe Number.\n"); - return; - } - - /* XXX: When our outputs are all unaware of DPMS modes other than off - * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC. - */ - switch (mode) { - case DRM_MODE_DPMS_ON: - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - /* Enable the DPLL */ - temp = REG_READ(dpll_reg); - - if ((temp & DPLL_VCO_ENABLE) == 0) { - /* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */ - if (temp & MDFLD_PWR_GATE_EN) { - temp &= ~MDFLD_PWR_GATE_EN; - REG_WRITE(dpll_reg, temp); - /* FIXME_MDFLD PO - change 500 to 1 after PO */ - udelay(500); - } - - REG_WRITE(dpll_reg, temp); - REG_READ(dpll_reg); - /* FIXME_MDFLD PO - change 500 to 1 after PO */ - udelay(500); - - REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE); - REG_READ(dpll_reg); - - /** - * wait for DSI PLL to lock - * NOTE: only need to poll status of pipe 0 and pipe 1, - * since both MIPI pipes share the same PLL. - */ - while ((pipe != 2) && (timeout < 20000) && !(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) { - udelay(150); - timeout ++; - } - } - - /* Enable the plane */ - temp = REG_READ(dspcntr_reg); - if ((temp & DISPLAY_PLANE_ENABLE) == 0) { - REG_WRITE(dspcntr_reg, - temp | DISPLAY_PLANE_ENABLE); - /* Flush the plane changes */ - REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); - } - - /* Enable the pipe */ - temp = REG_READ(pipeconf_reg); - if ((temp & PIPEACONF_ENABLE) == 0) { - REG_WRITE(pipeconf_reg, pipeconf); - - /* Wait for for the pipe enable to take effect. */ - mdfldWaitForPipeEnable(dev, pipe); - } - - /*workaround for sighting 3741701 Random X blank display*/ - /*perform w/a in video mode only on pipe A or C*/ - if ((pipe == 0 || pipe == 2) && - (mdfld_panel_dpi(dev) == true)) { - REG_WRITE(pipestat_reg, REG_READ(pipestat_reg)); - msleep(100); - if(PIPE_VBLANK_STATUS & REG_READ(pipestat_reg)) { - printk(KERN_ALERT "OK"); - } else { - printk(KERN_ALERT "STUCK!!!!"); - /*shutdown controller*/ - temp = REG_READ(dspcntr_reg); - REG_WRITE(dspcntr_reg, temp & ~DISPLAY_PLANE_ENABLE); - REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); - /*mdfld_dsi_dpi_shut_down(dev, pipe);*/ - REG_WRITE(0xb048, 1); - msleep(100); - temp = REG_READ(pipeconf_reg); - temp &= ~PIPEACONF_ENABLE; - REG_WRITE(pipeconf_reg, temp); - msleep(100); /*wait for pipe disable*/ - /*printk(KERN_ALERT "70008 is %x\n", REG_READ(0x70008)); - printk(KERN_ALERT "b074 is %x\n", REG_READ(0xb074));*/ - REG_WRITE(mipi_enable_reg, 0); - msleep(100); - printk(KERN_ALERT "70008 is %x\n", REG_READ(0x70008)); - printk(KERN_ALERT "b074 is %x\n", REG_READ(0xb074)); - REG_WRITE(0xb004, REG_READ(0xb004)); - /* try to bring the controller back up again*/ - REG_WRITE(mipi_enable_reg, 1); - temp = REG_READ(dspcntr_reg); - REG_WRITE(dspcntr_reg, temp | DISPLAY_PLANE_ENABLE); - REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); - /*mdfld_dsi_dpi_turn_on(dev, pipe);*/ - REG_WRITE(0xb048, 2); - msleep(100); - temp = REG_READ(pipeconf_reg); - temp |= PIPEACONF_ENABLE; - REG_WRITE(pipeconf_reg, temp); - } - } - - psb_intel_crtc_load_lut(crtc); - - /* Give the overlay scaler a chance to enable - if it's on this pipe */ - /* psb_intel_crtc_dpms_video(crtc, true); TODO */ - - break; - case DRM_MODE_DPMS_OFF: - /* Give the overlay scaler a chance to disable - * if it's on this pipe */ - /* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */ - if (pipe != 1) - mdfld_dsi_gen_fifo_ready (dev, gen_fifo_stat_reg, HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY); - - /* Disable the VGA plane that we never use */ - REG_WRITE(VGACNTRL, VGA_DISP_DISABLE); - - /* Disable display plane */ - temp = REG_READ(dspcntr_reg); - if ((temp & DISPLAY_PLANE_ENABLE) != 0) { - REG_WRITE(dspcntr_reg, - temp & ~DISPLAY_PLANE_ENABLE); - /* Flush the plane changes */ - REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); - REG_READ(dspbase_reg); - } - - /* FIXME_JLIU7 MDFLD_PO revisit */ - /* Wait for vblank for the disable to take effect */ -// MDFLD_PO_JLIU7 psb_intel_wait_for_vblank(dev); - - /* Next, disable display pipes */ - temp = REG_READ(pipeconf_reg); - if ((temp & PIPEACONF_ENABLE) != 0) { - temp &= ~PIPEACONF_ENABLE; - temp |= PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF; - REG_WRITE(pipeconf_reg, temp); -// REG_WRITE(pipeconf_reg, 0); - REG_READ(pipeconf_reg); - - /* Wait for for the pipe disable to take effect. */ - mdfldWaitForPipeDisable(dev, pipe); - } - - temp = REG_READ(dpll_reg); - if (temp & DPLL_VCO_ENABLE) { - if (((pipe != 1) && !((REG_READ(PIPEACONF) | REG_READ(PIPECCONF)) & PIPEACONF_ENABLE)) - || (pipe == 1)){ - temp &= ~(DPLL_VCO_ENABLE); - REG_WRITE(dpll_reg, temp); - REG_READ(dpll_reg); - /* Wait for the clocks to turn off. */ - /* FIXME_MDFLD PO may need more delay */ - udelay(500); -#if 0 /* MDFLD_PO_JLIU7 */ - if (!(temp & MDFLD_PWR_GATE_EN)) { - /* gating power of DPLL */ - REG_WRITE(dpll_reg, temp | MDFLD_PWR_GATE_EN); - /* FIXME_MDFLD PO - change 500 to 1 after PO */ - udelay(5000); - } -#endif /* MDFLD_PO_JLIU7 */ - } - } - break; - } - - enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF; - -#if 0 /* JB: Add vblank support later */ - if (enabled) - dev_priv->vblank_pipe |= (1 << pipe); - else - dev_priv->vblank_pipe &= ~(1 << pipe); -#endif - - gma_power_end(dev); -} - - -#define MDFLD_LIMT_DPLL_19 0 -#define MDFLD_LIMT_DPLL_25 1 -#define MDFLD_LIMT_DPLL_83 2 -#define MDFLD_LIMT_DPLL_100 3 -#define MDFLD_LIMT_DSIPLL_19 4 -#define MDFLD_LIMT_DSIPLL_25 5 -#define MDFLD_LIMT_DSIPLL_83 6 -#define MDFLD_LIMT_DSIPLL_100 7 - -#define MDFLD_DOT_MIN 19750 /* FIXME_MDFLD JLIU7 need to find out min & max for MDFLD */ -#define MDFLD_DOT_MAX 120000 -#define MDFLD_DPLL_M_MIN_19 113 -#define MDFLD_DPLL_M_MAX_19 155 -#define MDFLD_DPLL_P1_MIN_19 2 -#define MDFLD_DPLL_P1_MAX_19 10 -#define MDFLD_DPLL_M_MIN_25 101 -#define MDFLD_DPLL_M_MAX_25 130 -#define MDFLD_DPLL_P1_MIN_25 2 -#define MDFLD_DPLL_P1_MAX_25 10 -#define MDFLD_DPLL_M_MIN_83 64 -#define MDFLD_DPLL_M_MAX_83 64 -#define MDFLD_DPLL_P1_MIN_83 2 -#define MDFLD_DPLL_P1_MAX_83 2 -#define MDFLD_DPLL_M_MIN_100 64 -#define MDFLD_DPLL_M_MAX_100 64 -#define MDFLD_DPLL_P1_MIN_100 2 -#define MDFLD_DPLL_P1_MAX_100 2 -#define MDFLD_DSIPLL_M_MIN_19 131 -#define MDFLD_DSIPLL_M_MAX_19 175 -#define MDFLD_DSIPLL_P1_MIN_19 3 -#define MDFLD_DSIPLL_P1_MAX_19 8 -#define MDFLD_DSIPLL_M_MIN_25 97 -#define MDFLD_DSIPLL_M_MAX_25 140 -#define MDFLD_DSIPLL_P1_MIN_25 3 -#define MDFLD_DSIPLL_P1_MAX_25 9 -#define MDFLD_DSIPLL_M_MIN_83 33 -#define MDFLD_DSIPLL_M_MAX_83 92 -#define MDFLD_DSIPLL_P1_MIN_83 2 -#define MDFLD_DSIPLL_P1_MAX_83 3 -#define MDFLD_DSIPLL_M_MIN_100 97 -#define MDFLD_DSIPLL_M_MAX_100 140 -#define MDFLD_DSIPLL_P1_MIN_100 3 -#define MDFLD_DSIPLL_P1_MAX_100 9 - -static const struct mdfld_limit_t mdfld_limits[] = { - { /* MDFLD_LIMT_DPLL_19 */ - .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, - .m = {.min = MDFLD_DPLL_M_MIN_19, .max = MDFLD_DPLL_M_MAX_19}, - .p1 = {.min = MDFLD_DPLL_P1_MIN_19, .max = MDFLD_DPLL_P1_MAX_19}, - }, - { /* MDFLD_LIMT_DPLL_25 */ - .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, - .m = {.min = MDFLD_DPLL_M_MIN_25, .max = MDFLD_DPLL_M_MAX_25}, - .p1 = {.min = MDFLD_DPLL_P1_MIN_25, .max = MDFLD_DPLL_P1_MAX_25}, - }, - { /* MDFLD_LIMT_DPLL_83 */ - .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, - .m = {.min = MDFLD_DPLL_M_MIN_83, .max = MDFLD_DPLL_M_MAX_83}, - .p1 = {.min = MDFLD_DPLL_P1_MIN_83, .max = MDFLD_DPLL_P1_MAX_83}, - }, - { /* MDFLD_LIMT_DPLL_100 */ - .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, - .m = {.min = MDFLD_DPLL_M_MIN_100, .max = MDFLD_DPLL_M_MAX_100}, - .p1 = {.min = MDFLD_DPLL_P1_MIN_100, .max = MDFLD_DPLL_P1_MAX_100}, - }, - { /* MDFLD_LIMT_DSIPLL_19 */ - .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, - .m = {.min = MDFLD_DSIPLL_M_MIN_19, .max = MDFLD_DSIPLL_M_MAX_19}, - .p1 = {.min = MDFLD_DSIPLL_P1_MIN_19, .max = MDFLD_DSIPLL_P1_MAX_19}, - }, - { /* MDFLD_LIMT_DSIPLL_25 */ - .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, - .m = {.min = MDFLD_DSIPLL_M_MIN_25, .max = MDFLD_DSIPLL_M_MAX_25}, - .p1 = {.min = MDFLD_DSIPLL_P1_MIN_25, .max = MDFLD_DSIPLL_P1_MAX_25}, - }, - { /* MDFLD_LIMT_DSIPLL_83 */ - .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, - .m = {.min = MDFLD_DSIPLL_M_MIN_83, .max = MDFLD_DSIPLL_M_MAX_83}, - .p1 = {.min = MDFLD_DSIPLL_P1_MIN_83, .max = MDFLD_DSIPLL_P1_MAX_83}, - }, - { /* MDFLD_LIMT_DSIPLL_100 */ - .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX}, - .m = {.min = MDFLD_DSIPLL_M_MIN_100, .max = MDFLD_DSIPLL_M_MAX_100}, - .p1 = {.min = MDFLD_DSIPLL_P1_MIN_100, .max = MDFLD_DSIPLL_P1_MAX_100}, - }, -}; - -#define MDFLD_M_MIN 21 -#define MDFLD_M_MAX 180 -static const u32 mdfld_m_converts[] = { -/* M configuration table from 9-bit LFSR table */ - 224, 368, 440, 220, 366, 439, 219, 365, 182, 347, /* 21 - 30 */ - 173, 342, 171, 85, 298, 149, 74, 37, 18, 265, /* 31 - 40 */ - 388, 194, 353, 432, 216, 108, 310, 155, 333, 166, /* 41 - 50 */ - 83, 41, 276, 138, 325, 162, 337, 168, 340, 170, /* 51 - 60 */ - 341, 426, 469, 234, 373, 442, 221, 110, 311, 411, /* 61 - 70 */ - 461, 486, 243, 377, 188, 350, 175, 343, 427, 213, /* 71 - 80 */ - 106, 53, 282, 397, 354, 227, 113, 56, 284, 142, /* 81 - 90 */ - 71, 35, 273, 136, 324, 418, 465, 488, 500, 506, /* 91 - 100 */ - 253, 126, 63, 287, 399, 455, 483, 241, 376, 444, /* 101 - 110 */ - 478, 495, 503, 251, 381, 446, 479, 239, 375, 443, /* 111 - 120 */ - 477, 238, 119, 315, 157, 78, 295, 147, 329, 420, /* 121 - 130 */ - 210, 105, 308, 154, 77, 38, 275, 137, 68, 290, /* 131 - 140 */ - 145, 328, 164, 82, 297, 404, 458, 485, 498, 249, /* 141 - 150 */ - 380, 190, 351, 431, 471, 235, 117, 314, 413, 206, /* 151 - 160 */ - 103, 51, 25, 12, 262, 387, 193, 96, 48, 280, /* 161 - 170 */ - 396, 198, 99, 305, 152, 76, 294, 403, 457, 228, /* 171 - 180 */ -}; - -static const struct mdfld_limit_t *mdfld_limit(struct drm_crtc *crtc) -{ - const struct mdfld_limit_t *limit = NULL; - struct drm_device *dev = crtc->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - - if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI) - || psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI2)) { - if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19)) - limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_19]; - else if (ksel == KSEL_BYPASS_25) - limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_25]; - else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166)) - limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_83]; - else if ((ksel == KSEL_BYPASS_83_100) && - (dev_priv->core_freq == 100 || dev_priv->core_freq == 200)) - limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_100]; - } else if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) { - if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19)) - limit = &mdfld_limits[MDFLD_LIMT_DPLL_19]; - else if (ksel == KSEL_BYPASS_25) - limit = &mdfld_limits[MDFLD_LIMT_DPLL_25]; - else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166)) - limit = &mdfld_limits[MDFLD_LIMT_DPLL_83]; - else if ((ksel == KSEL_BYPASS_83_100) && - (dev_priv->core_freq == 100 || dev_priv->core_freq == 200)) - limit = &mdfld_limits[MDFLD_LIMT_DPLL_100]; - } else { - limit = NULL; - dev_err(dev->dev, "mdfld_limit Wrong display type.\n"); - } - - return limit; -} - -/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */ -static void mdfld_clock(int refclk, struct mdfld_intel_clock_t *clock) -{ - clock->dot = (refclk * clock->m) / clock->p1; -} - -/** - * Returns a set of divisors for the desired target clock with the given refclk, - * or FALSE. Divisor values are the actual divisors for - */ -static bool -mdfldFindBestPLL(struct drm_crtc *crtc, int target, int refclk, - struct mdfld_intel_clock_t *best_clock) -{ - struct mdfld_intel_clock_t clock; - const struct mdfld_limit_t *limit = mdfld_limit(crtc); - int err = target; - - memset(best_clock, 0, sizeof(*best_clock)); - - for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) { - for (clock.p1 = limit->p1.min; clock.p1 <= limit->p1.max; - clock.p1++) { - int this_err; - - mdfld_clock(refclk, &clock); - - this_err = abs(clock.dot - target); - if (this_err < err) { - *best_clock = clock; - err = this_err; - } - } - } - return err != target; -} - -/** - * Return the pipe currently connected to the panel fitter, - * or -1 if the panel fitter is not present or not in use - */ -static int mdfld_panel_fitter_pipe(struct drm_device *dev) -{ - u32 pfit_control; - - pfit_control = REG_READ(PFIT_CONTROL); - - /* See if the panel fitter is in use */ - if ((pfit_control & PFIT_ENABLE) == 0) - return -1; - return (pfit_control >> 29) & 3; -} - -static int mdfld_crtc_mode_set(struct drm_crtc *crtc, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode, - int x, int y, - struct drm_framebuffer *old_fb) -{ - struct drm_device *dev = crtc->dev; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct drm_psb_private *dev_priv = dev->dev_private; - int pipe = psb_intel_crtc->pipe; - int fp_reg = MRST_FPA0; - int dpll_reg = MRST_DPLL_A; - int dspcntr_reg = DSPACNTR; - int pipeconf_reg = PIPEACONF; - int htot_reg = HTOTAL_A; - int hblank_reg = HBLANK_A; - int hsync_reg = HSYNC_A; - int vtot_reg = VTOTAL_A; - int vblank_reg = VBLANK_A; - int vsync_reg = VSYNC_A; - int dspsize_reg = DSPASIZE; - int dsppos_reg = DSPAPOS; - int pipesrc_reg = PIPEASRC; - u32 *pipeconf = &dev_priv->pipeconf; - u32 *dspcntr = &dev_priv->dspcntr; - int refclk = 0; - int clk_n = 0, clk_p2 = 0, clk_byte = 1, clk = 0, m_conv = 0, clk_tmp = 0; - struct mdfld_intel_clock_t clock; - bool ok; - u32 dpll = 0, fp = 0; - bool is_crt = false, is_lvds = false, is_tv = false; - bool is_mipi = false, is_mipi2 = false, is_hdmi = false; - struct drm_mode_config *mode_config = &dev->mode_config; - struct psb_intel_output *psb_intel_output = NULL; - uint64_t scalingType = DRM_MODE_SCALE_FULLSCREEN; - struct drm_encoder *encoder; - struct drm_connector *connector; - int timeout = 0; - - dev_dbg(dev->dev, "pipe = 0x%x \n", pipe); - - switch (pipe) { - case 0: - break; - case 1: - fp_reg = FPB0; - dpll_reg = DPLL_B; - dspcntr_reg = DSPBCNTR; - pipeconf_reg = PIPEBCONF; - htot_reg = HTOTAL_B; - hblank_reg = HBLANK_B; - hsync_reg = HSYNC_B; - vtot_reg = VTOTAL_B; - vblank_reg = VBLANK_B; - vsync_reg = VSYNC_B; - dspsize_reg = DSPBSIZE; - dsppos_reg = DSPBPOS; - pipesrc_reg = PIPEBSRC; - pipeconf = &dev_priv->pipeconf1; - dspcntr = &dev_priv->dspcntr1; - fp_reg = MDFLD_DPLL_DIV0; - dpll_reg = MDFLD_DPLL_B; - break; - case 2: - dpll_reg = MRST_DPLL_A; - dspcntr_reg = DSPCCNTR; - pipeconf_reg = PIPECCONF; - htot_reg = HTOTAL_C; - hblank_reg = HBLANK_C; - hsync_reg = HSYNC_C; - vtot_reg = VTOTAL_C; - vblank_reg = VBLANK_C; - vsync_reg = VSYNC_C; - dspsize_reg = DSPCSIZE; - dsppos_reg = DSPCPOS; - pipesrc_reg = PIPECSRC; - pipeconf = &dev_priv->pipeconf2; - dspcntr = &dev_priv->dspcntr2; - break; - default: - DRM_ERROR("Illegal Pipe Number. \n"); - return 0; - } - - dev_dbg(dev->dev, "adjusted_hdisplay = %d\n", - adjusted_mode->hdisplay); - dev_dbg(dev->dev, "adjusted_vdisplay = %d\n", - adjusted_mode->vdisplay); - dev_dbg(dev->dev, "adjusted_hsync_start = %d\n", - adjusted_mode->hsync_start); - dev_dbg(dev->dev, "adjusted_hsync_end = %d\n", - adjusted_mode->hsync_end); - dev_dbg(dev->dev, "adjusted_htotal = %d\n", - adjusted_mode->htotal); - dev_dbg(dev->dev, "adjusted_vsync_start = %d\n", - adjusted_mode->vsync_start); - dev_dbg(dev->dev, "adjusted_vsync_end = %d\n", - adjusted_mode->vsync_end); - dev_dbg(dev->dev, "adjusted_vtotal = %d\n", - adjusted_mode->vtotal); - dev_dbg(dev->dev, "adjusted_clock = %d\n", - adjusted_mode->clock); - dev_dbg(dev->dev, "hdisplay = %d\n", - mode->hdisplay); - dev_dbg(dev->dev, "vdisplay = %d\n", - mode->vdisplay); - - if (!gma_power_begin(dev, true)) - return 0; - - memcpy(&psb_intel_crtc->saved_mode, mode, sizeof(struct drm_display_mode)); - memcpy(&psb_intel_crtc->saved_adjusted_mode, adjusted_mode, sizeof(struct drm_display_mode)); - - list_for_each_entry(connector, &mode_config->connector_list, head) { - - encoder = connector->encoder; - - if(!encoder) - continue; - - if (encoder->crtc != crtc) - continue; - - psb_intel_output = to_psb_intel_output(connector); - - dev_dbg(dev->dev, "output->type = 0x%x \n", psb_intel_output->type); - - switch (psb_intel_output->type) { - case INTEL_OUTPUT_LVDS: - is_lvds = true; - break; - case INTEL_OUTPUT_TVOUT: - is_tv = true; - break; - case INTEL_OUTPUT_ANALOG: - is_crt = true; - break; - case INTEL_OUTPUT_MIPI: - is_mipi = true; - break; - case INTEL_OUTPUT_MIPI2: - is_mipi2 = true; - break; - case INTEL_OUTPUT_HDMI: - is_hdmi = true; - break; - } - } - - /* Disable the VGA plane that we never use */ - REG_WRITE(VGACNTRL, VGA_DISP_DISABLE); - - /* Disable the panel fitter if it was on our pipe */ - if (mdfld_panel_fitter_pipe(dev) == pipe) - REG_WRITE(PFIT_CONTROL, 0); - - /* pipesrc and dspsize control the size that is scaled from, - * which should always be the user's requested size. - */ - if (pipe == 1) { - /* FIXME: To make HDMI display with 864x480 (TPO), 480x864 (PYR) or 480x854 (TMD), set the sprite - * width/height and souce image size registers with the adjusted mode for pipe B. */ - - /* The defined sprite rectangle must always be completely contained within the displayable - * area of the screen image (frame buffer). */ - REG_WRITE(dspsize_reg, ((MIN(mode->crtc_vdisplay, adjusted_mode->crtc_vdisplay) - 1) << 16) - | (MIN(mode->crtc_hdisplay, adjusted_mode->crtc_hdisplay) - 1)); - /* Set the CRTC with encoder mode. */ - REG_WRITE(pipesrc_reg, ((mode->crtc_hdisplay - 1) << 16) - | (mode->crtc_vdisplay - 1)); - } else { - REG_WRITE(dspsize_reg, ((mode->crtc_vdisplay - 1) << 16) | (mode->crtc_hdisplay - 1)); - REG_WRITE(pipesrc_reg, ((mode->crtc_hdisplay - 1) << 16) | (mode->crtc_vdisplay - 1)); - } - - REG_WRITE(dsppos_reg, 0); - - if (psb_intel_output) - drm_connector_property_get_value(&psb_intel_output->base, - dev->mode_config.scaling_mode_property, &scalingType); - - if (scalingType == DRM_MODE_SCALE_NO_SCALE) { - /* - * Medfield doesn't have register support for centering so - * we need to mess with the h/vblank and h/vsync start and - * ends to get central - */ - int offsetX = 0, offsetY = 0; - - offsetX = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2; - offsetY = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2; - - REG_WRITE(htot_reg, (mode->crtc_hdisplay - 1) | - ((adjusted_mode->crtc_htotal - 1) << 16)); - REG_WRITE(vtot_reg, (mode->crtc_vdisplay - 1) | - ((adjusted_mode->crtc_vtotal - 1) << 16)); - REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - offsetX - 1) | - ((adjusted_mode->crtc_hblank_end - offsetX - 1) << 16)); - REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - offsetX - 1) | - ((adjusted_mode->crtc_hsync_end - offsetX - 1) << 16)); - REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - offsetY - 1) | - ((adjusted_mode->crtc_vblank_end - offsetY - 1) << 16)); - REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - offsetY - 1) | - ((adjusted_mode->crtc_vsync_end - offsetY - 1) << 16)); - } else { - REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) | - ((adjusted_mode->crtc_htotal - 1) << 16)); - REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) | - ((adjusted_mode->crtc_vtotal - 1) << 16)); - REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) | - ((adjusted_mode->crtc_hblank_end - 1) << 16)); - REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) | - ((adjusted_mode->crtc_hsync_end - 1) << 16)); - REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) | - ((adjusted_mode->crtc_vblank_end - 1) << 16)); - REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) | - ((adjusted_mode->crtc_vsync_end - 1) << 16)); - } - - /* Flush the plane changes */ - { - struct drm_crtc_helper_funcs *crtc_funcs = - crtc->helper_private; - crtc_funcs->mode_set_base(crtc, x, y, old_fb); - } - - /* setup pipeconf */ - *pipeconf = PIPEACONF_ENABLE; /* FIXME_JLIU7 REG_READ(pipeconf_reg); */ - - /* Set up the display plane register */ - *dspcntr = REG_READ(dspcntr_reg); - *dspcntr |= pipe << DISPPLANE_SEL_PIPE_POS; - *dspcntr |= DISPLAY_PLANE_ENABLE; -/* MDFLD_PO_JLIU7 dspcntr |= DISPPLANE_BOTTOM; */ -/* MDFLD_PO_JLIU7 dspcntr |= DISPPLANE_GAMMA_ENABLE; */ - - if (is_mipi2) - { - goto mrst_crtc_mode_set_exit; - } -/* FIXME JLIU7 Add MDFLD HDMI supports */ -/* FIXME_MDFLD JLIU7 DSIPLL clock *= 8? */ -/* FIXME_MDFLD JLIU7 need to revist for dual MIPI supports */ - clk = adjusted_mode->clock; - - if (is_hdmi) { - if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19)) - { - refclk = 19200; - - if (is_mipi || is_mipi2) - { - clk_n = 1, clk_p2 = 8; - } else if (is_hdmi) { - clk_n = 1, clk_p2 = 10; - } - } else if (ksel == KSEL_BYPASS_25) { - refclk = 25000; - - if (is_mipi || is_mipi2) - { - clk_n = 1, clk_p2 = 8; - } else if (is_hdmi) { - clk_n = 1, clk_p2 = 10; - } - } else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166)) { - refclk = 83000; - - if (is_mipi || is_mipi2) - { - clk_n = 4, clk_p2 = 8; - } else if (is_hdmi) { - clk_n = 4, clk_p2 = 10; - } - } else if ((ksel == KSEL_BYPASS_83_100) && - (dev_priv->core_freq == 100 || dev_priv->core_freq == 200)) { - refclk = 100000; - if (is_mipi || is_mipi2) - { - clk_n = 4, clk_p2 = 8; - } else if (is_hdmi) { - clk_n = 4, clk_p2 = 10; - } - } - - if (is_mipi) - clk_byte = dev_priv->bpp / 8; - else if (is_mipi2) - clk_byte = dev_priv->bpp2 / 8; - - clk_tmp = clk * clk_n * clk_p2 * clk_byte; - - dev_dbg(dev->dev, "clk = %d, clk_n = %d, clk_p2 = %d. \n", clk, clk_n, clk_p2); - dev_dbg(dev->dev, "adjusted_mode->clock = %d, clk_tmp = %d. \n", adjusted_mode->clock, clk_tmp); - - ok = mdfldFindBestPLL(crtc, clk_tmp, refclk, &clock); - - if (!ok) { - dev_err(dev->dev, - "mdfldFindBestPLL fail in mdfld_crtc_mode_set. \n"); - } else { - m_conv = mdfld_m_converts[(clock.m - MDFLD_M_MIN)]; - - dev_dbg(dev->dev, "dot clock = %d," - "m = %d, p1 = %d, m_conv = %d. \n", clock.dot, clock.m, - clock.p1, m_conv); - } - - dpll = REG_READ(dpll_reg); - - if (dpll & DPLL_VCO_ENABLE) { - dpll &= ~DPLL_VCO_ENABLE; - REG_WRITE(dpll_reg, dpll); - REG_READ(dpll_reg); - - /* FIXME jliu7 check the DPLL lock bit PIPEACONF[29] */ - /* FIXME_MDFLD PO - change 500 to 1 after PO */ - udelay(500); - - /* reset M1, N1 & P1 */ - REG_WRITE(fp_reg, 0); - dpll &= ~MDFLD_P1_MASK; - REG_WRITE(dpll_reg, dpll); - /* FIXME_MDFLD PO - change 500 to 1 after PO */ - udelay(500); - } - - /* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */ - if (dpll & MDFLD_PWR_GATE_EN) { - dpll &= ~MDFLD_PWR_GATE_EN; - REG_WRITE(dpll_reg, dpll); - /* FIXME_MDFLD PO - change 500 to 1 after PO */ - udelay(500); - } - - dpll = 0; - -#if 0 /* FIXME revisit later */ - if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19) || (ksel == KSEL_BYPASS_25)) { - dpll &= ~MDFLD_INPUT_REF_SEL; - } else if (ksel == KSEL_BYPASS_83_100) { - dpll |= MDFLD_INPUT_REF_SEL; - } -#endif /* FIXME revisit later */ - - if (is_hdmi) - dpll |= MDFLD_VCO_SEL; - - fp = (clk_n / 2) << 16; - fp |= m_conv; - - /* compute bitmask from p1 value */ - dpll |= (1 << (clock.p1 - 2)) << 17; - -#if 0 /* 1080p30 & 720p */ - dpll = 0x00050000; - fp = 0x000001be; -#endif -#if 0 /* 480p */ - dpll = 0x02010000; - fp = 0x000000d2; -#endif - } else { -#if 0 /*DBI_TPO_480x864*/ - dpll = 0x00020000; - fp = 0x00000156; -#endif /* DBI_TPO_480x864 */ /* get from spec. */ - - dpll = 0x00800000; - fp = 0x000000c1; -} - - REG_WRITE(fp_reg, fp); - REG_WRITE(dpll_reg, dpll); - /* FIXME_MDFLD PO - change 500 to 1 after PO */ - udelay(500); - - dpll |= DPLL_VCO_ENABLE; - REG_WRITE(dpll_reg, dpll); - REG_READ(dpll_reg); - - /* wait for DSI PLL to lock */ - while ((timeout < 20000) && !(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) { - udelay(150); - timeout ++; - } - - if (is_mipi) - goto mrst_crtc_mode_set_exit; - - dev_dbg(dev->dev, "is_mipi = 0x%x \n", is_mipi); - - REG_WRITE(pipeconf_reg, *pipeconf); - REG_READ(pipeconf_reg); - - /* Wait for for the pipe enable to take effect. */ -//FIXME_JLIU7 HDMI mrstWaitForPipeEnable(dev); - - REG_WRITE(dspcntr_reg, *dspcntr); - psb_intel_wait_for_vblank(dev); - -mrst_crtc_mode_set_exit: - - gma_power_end(dev); - - return 0; -} - -static void mdfld_crtc_prepare(struct drm_crtc *crtc) -{ - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF); -} - -static void mdfld_crtc_commit(struct drm_crtc *crtc) -{ - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON); -} - -static bool mdfld_crtc_mode_fixup(struct drm_crtc *crtc, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - -const struct drm_crtc_helper_funcs mdfld_helper_funcs = { - .dpms = mdfld_crtc_dpms, - .mode_fixup = mdfld_crtc_mode_fixup, - .mode_set = mdfld_crtc_mode_set, - .mode_set_base = mdfld__intel_pipe_set_base, - .prepare = mdfld_crtc_prepare, - .commit = mdfld_crtc_commit, -}; diff --git a/drivers/staging/gma500/mdfld_msic.h b/drivers/staging/gma500/mdfld_msic.h deleted file mode 100644 index a7ad6547249173..00000000000000 --- a/drivers/staging/gma500/mdfld_msic.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Jim Liu <jim.liu@intel.com> - */ - -#define MSIC_PCI_DEVICE_ID 0x831 - -int msic_regsiter_driver(void); -int msic_unregister_driver(void); -extern void hpd_notify_um(void); diff --git a/drivers/staging/gma500/mdfld_output.c b/drivers/staging/gma500/mdfld_output.c deleted file mode 100644 index eabf53d58f923b..00000000000000 --- a/drivers/staging/gma500/mdfld_output.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Copyright (c) 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicensen - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Thomas Eaton <thomas.g.eaton@intel.com> - * Scott Rowe <scott.m.rowe@intel.com> -*/ - -#include <linux/init.h> -#include <linux/moduleparam.h> -#include "mdfld_dsi_dbi.h" -#include "mdfld_dsi_dpi.h" -#include "mdfld_dsi_output.h" -#include "mdfld_output.h" -#include "mdfld_dsi_dbi_dpu.h" - -#include "displays/tpo_cmd.h" -#include "displays/tpo_vid.h" -#include "displays/tmd_cmd.h" -#include "displays/tmd_vid.h" -#include "displays/pyr_cmd.h" -#include "displays/pyr_vid.h" -/* #include "displays/hdmi.h" */ - -static int mdfld_dual_mipi; -static int mdfld_hdmi; -static int mdfld_dpu; - -module_param(mdfld_dual_mipi, int, 0600); -MODULE_PARM_DESC(mdfld_dual_mipi, "Enable dual MIPI configuration"); -module_param(mdfld_hdmi, int, 0600); -MODULE_PARM_DESC(mdfld_hdmi, "Enable Medfield HDMI"); -module_param(mdfld_dpu, int, 0600); -MODULE_PARM_DESC(mdfld_dpu, "Enable Medfield DPU"); - -/* For now a single type per device is all we cope with */ -int mdfld_get_panel_type(struct drm_device *dev, int pipe) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - return dev_priv->panel_id; -} - -int mdfld_panel_dpi(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - switch (dev_priv->panel_id) { - case TMD_VID: - case TPO_VID: - case PYR_VID: - return true; - case TMD_CMD: - case TPO_CMD: - case PYR_CMD: - default: - return false; - } -} - -static int init_panel(struct drm_device *dev, int mipi_pipe, int p_type) -{ - struct panel_funcs *p_cmd_funcs; - struct panel_funcs *p_vid_funcs; - - /* Oh boy ... FIXME */ - p_cmd_funcs = kzalloc(sizeof(struct panel_funcs), GFP_KERNEL); - if (p_cmd_funcs == NULL) - return -ENODEV; - p_vid_funcs = kzalloc(sizeof(struct panel_funcs), GFP_KERNEL); - if (p_vid_funcs == NULL) { - kfree(p_cmd_funcs); - return -ENODEV; - } - - switch (p_type) { - case TPO_CMD: - tpo_cmd_init(dev, p_cmd_funcs); - mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL); - break; - case TPO_VID: - tpo_vid_init(dev, p_vid_funcs); - mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs); - break; - case TMD_CMD: - /*tmd_cmd_init(dev, p_cmd_funcs); */ - mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL); - break; - case TMD_VID: - tmd_vid_init(dev, p_vid_funcs); - mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs); - break; - case PYR_CMD: - pyr_cmd_init(dev, p_cmd_funcs); - mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL); - break; - case PYR_VID: - mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs); - break; - case TPO: /* TPO panel supports both cmd & vid interfaces */ - tpo_cmd_init(dev, p_cmd_funcs); - tpo_vid_init(dev, p_vid_funcs); - mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, - p_vid_funcs); - break; - case TMD: - break; - case PYR: - break; -#if 0 - case HDMI: - dev_dbg(dev->dev, "Initializing HDMI"); - mdfld_hdmi_init(dev, &dev_priv->mode_dev); - break; -#endif - default: - dev_err(dev->dev, "Unsupported interface %d", p_type); - return -ENODEV; - } - return 0; -} - -int mdfld_output_init(struct drm_device *dev) -{ - int type; - - /* MIPI panel 1 */ - type = mdfld_get_panel_type(dev, 0); - dev_info(dev->dev, "panel 1: type is %d\n", type); - init_panel(dev, 0, type); - - if (mdfld_dual_mipi) { - /* MIPI panel 2 */ - type = mdfld_get_panel_type(dev, 2); - dev_info(dev->dev, "panel 2: type is %d\n", type); - init_panel(dev, 2, type); - } - if (mdfld_hdmi) - /* HDMI panel */ - init_panel(dev, 0, HDMI); - return 0; -} - -void mdfld_output_setup(struct drm_device *dev) -{ - /* FIXME: this is not the right place for this stuff ! */ - if (IS_MFLD(dev)) { - if (mdfld_dpu) - mdfld_dbi_dpu_init(dev); - else - mdfld_dbi_dsr_init(dev); - } -} diff --git a/drivers/staging/gma500/mdfld_output.h b/drivers/staging/gma500/mdfld_output.h deleted file mode 100644 index daf33e7df9d590..00000000000000 --- a/drivers/staging/gma500/mdfld_output.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Copyright (c) 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicensen - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Thomas Eaton <thomas.g.eaton@intel.com> - * Scott Rowe <scott.m.rowe@intel.com> -*/ - -#ifndef MDFLD_OUTPUT_H -#define MDFLD_OUTPUT_H - -int mdfld_output_init(struct drm_device *dev); -int mdfld_panel_dpi(struct drm_device *dev); -int mdfld_get_panel_type(struct drm_device *dev, int pipe); -void mdfld_disable_crtc (struct drm_device *dev, int pipe); - -extern const struct drm_crtc_helper_funcs mdfld_helper_funcs; -extern const struct drm_crtc_funcs mdfld_intel_crtc_funcs; - -extern void mdfld_output_setup(struct drm_device *dev); - -#endif diff --git a/drivers/staging/gma500/mdfld_pyr_cmd.c b/drivers/staging/gma500/mdfld_pyr_cmd.c deleted file mode 100644 index 523f2d8fe4f13d..00000000000000 --- a/drivers/staging/gma500/mdfld_pyr_cmd.c +++ /dev/null @@ -1,558 +0,0 @@ -/* - * Copyright (c) 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicensen - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Thomas Eaton <thomas.g.eaton@intel.com> - * Scott Rowe <scott.m.rowe@intel.com> -*/ - -#include "mdfld_dsi_dbi.h" -#include "mdfld_dsi_dpi.h" -#include "mdfld_dsi_output.h" -#include "mdfld_output.h" -#include "mdfld_dsi_dbi_dpu.h" -#include "mdfld_dsi_pkg_sender.h" - -#include "displays/pyr_cmd.h" - -static struct drm_display_mode *pyr_cmd_get_config_mode(struct drm_device *dev) -{ - struct drm_display_mode *mode; - - mode = kzalloc(sizeof(*mode), GFP_KERNEL); - if (!mode) { - dev_err(dev->dev, "Out of memory\n"); - return NULL; - } - - dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay); - dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay); - dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start); - dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end); - dev_dbg(dev->dev, "htotal is %d\n", mode->htotal); - dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start); - dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end); - dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal); - dev_dbg(dev->dev, "clock is %d\n", mode->clock); - - mode->hdisplay = 480; - mode->vdisplay = 864; - mode->hsync_start = 487; - mode->hsync_end = 490; - mode->htotal = 499; - mode->vsync_start = 874; - mode->vsync_end = 878; - mode->vtotal = 886; - mode->clock = 25777; - - drm_mode_set_name(mode); - drm_mode_set_crtcinfo(mode, 0); - - mode->type |= DRM_MODE_TYPE_PREFERRED; - - return mode; -} - -static bool pyr_dsi_dbi_mode_fixup(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct drm_device *dev = encoder->dev; - struct drm_display_mode *fixed_mode = pyr_cmd_get_config_mode(dev); - - if (fixed_mode) { - adjusted_mode->hdisplay = fixed_mode->hdisplay; - adjusted_mode->hsync_start = fixed_mode->hsync_start; - adjusted_mode->hsync_end = fixed_mode->hsync_end; - adjusted_mode->htotal = fixed_mode->htotal; - adjusted_mode->vdisplay = fixed_mode->vdisplay; - adjusted_mode->vsync_start = fixed_mode->vsync_start; - adjusted_mode->vsync_end = fixed_mode->vsync_end; - adjusted_mode->vtotal = fixed_mode->vtotal; - adjusted_mode->clock = fixed_mode->clock; - drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); - kfree(fixed_mode); - } - return true; -} - -static void pyr_dsi_dbi_set_power(struct drm_encoder *encoder, bool on) -{ - int ret = 0; - struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); - struct mdfld_dsi_dbi_output *dbi_output = - MDFLD_DSI_DBI_OUTPUT(dsi_encoder); - struct drm_device *dev = encoder->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - u32 reg_offset = 0; - int pipe = (dbi_output->channel_num == 0) ? 0 : 2; - - dev_dbg(dev->dev, "pipe %d : %s, panel on: %s\n", pipe, - on ? "On" : "Off", - dbi_output->dbi_panel_on ? "True" : "False"); - - if (pipe == 2) { - if (on) - dev_priv->dual_mipi = true; - else - dev_priv->dual_mipi = false; - - reg_offset = MIPIC_REG_OFFSET; - } else { - if (!on) - dev_priv->dual_mipi = false; - } - - if (!gma_power_begin(dev, true)) { - dev_err(dev->dev, "hw begin failed\n"); - return; - } - - - if (on) { - if (dbi_output->dbi_panel_on) - goto out_err; - - ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_ON); - if (ret) { - dev_err(dev->dev, "power on error\n"); - goto out_err; - } - - dbi_output->dbi_panel_on = true; - - if (pipe == 2) { - dev_priv->dbi_panel_on2 = true; - } else { - dev_priv->dbi_panel_on = true; - mdfld_enable_te(dev, 0); - } - } else { - if (!dbi_output->dbi_panel_on && !dbi_output->first_boot) - goto out_err; - - dbi_output->dbi_panel_on = false; - dbi_output->first_boot = false; - - if (pipe == 2) { - dev_priv->dbi_panel_on2 = false; - mdfld_disable_te(dev, 2); - } else { - dev_priv->dbi_panel_on = false; - mdfld_disable_te(dev, 0); - - if (dev_priv->dbi_panel_on2) - mdfld_enable_te(dev, 2); - } - - ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_OFF); - if (ret) { - dev_err(dev->dev, "power on error\n"); - goto out_err; - } - } - -out_err: - gma_power_end(dev); - - if (ret) - dev_err(dev->dev, "failed\n"); -} - -static void pyr_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config, - int pipe) -{ - struct drm_device *dev = dsi_config->dev; - u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0; - int lane_count = dsi_config->lane_count; - u32 val = 0; - - dev_dbg(dev->dev, "Init DBI interface on pipe %d...\n", pipe); - - /* Un-ready device */ - REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000); - - /* Init dsi adapter before kicking off */ - REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018); - - /* TODO: figure out how to setup these registers */ - REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c600F); - REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), - 0x000a0014); - REG_WRITE((MIPIA_DBI_BW_CTRL_REG + reg_offset), 0x00000400); - REG_WRITE((MIPIA_HS_LS_DBI_ENABLE_REG + reg_offset), 0x00000000); - - /* Enable all interrupts */ - REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff); - /* Max value: 20 clock cycles of txclkesc */ - REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x0000001f); - /* Min 21 txclkesc, max: ffffh */ - REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0x0000ffff); - /* Min: 7d0 max: 4e20 */ - REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x00000fa0); - - /* Set up func_prg */ - val |= lane_count; - val |= (dsi_config->channel_num << DSI_DBI_VIRT_CHANNEL_OFFSET); - val |= DSI_DBI_COLOR_FORMAT_OPTION2; - REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val); - - REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 0x3fffff); - REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff); - - /* De-assert dbi_stall when half of DBI FIFO is empty */ - /* REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000000); */ - - REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46); - REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000002); - REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004); - REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001); -} - -static void pyr_dsi_dbi_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - int ret = 0; - struct drm_device *dev = encoder->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); - struct mdfld_dsi_dbi_output *dsi_output = - MDFLD_DSI_DBI_OUTPUT(dsi_encoder); - struct mdfld_dsi_config *dsi_config = - mdfld_dsi_encoder_get_config(dsi_encoder); - struct mdfld_dsi_connector *dsi_connector = dsi_config->connector; - int pipe = dsi_connector->pipe; - u8 param = 0; - - /* Regs */ - u32 mipi_reg = MIPI; - u32 dspcntr_reg = DSPACNTR; - u32 pipeconf_reg = PIPEACONF; - u32 reg_offset = 0; - - /* Values */ - u32 dspcntr_val = dev_priv->dspcntr; - u32 pipeconf_val = dev_priv->pipeconf; - u32 h_active_area = mode->hdisplay; - u32 v_active_area = mode->vdisplay; - u32 mipi_val = (PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX | - TE_TRIGGER_GPIO_PIN); - - dev_dbg(dev->dev, "mipi_val =0x%x\n", mipi_val); - - dev_dbg(dev->dev, "type %s\n", (pipe == 2) ? "MIPI2" : "MIPI"); - dev_dbg(dev->dev, "h %d v %d\n", mode->hdisplay, mode->vdisplay); - - if (pipe == 2) { - mipi_reg = MIPI_C; - dspcntr_reg = DSPCCNTR; - pipeconf_reg = PIPECCONF; - - reg_offset = MIPIC_REG_OFFSET; - - dspcntr_val = dev_priv->dspcntr2; - pipeconf_val = dev_priv->pipeconf2; - } else { - mipi_val |= 0x2; /* Two lanes for port A and C respectively */ - } - - if (!gma_power_begin(dev, true)) { - dev_err(dev->dev, "hw begin failed\n"); - return; - } - - /* Set up pipe related registers */ - REG_WRITE(mipi_reg, mipi_val); - REG_READ(mipi_reg); - - pyr_dsi_controller_dbi_init(dsi_config, pipe); - - msleep(20); - - REG_WRITE(dspcntr_reg, dspcntr_val); - REG_READ(dspcntr_reg); - - /* 20ms delay before sending exit_sleep_mode */ - msleep(20); - - /* Send exit_sleep_mode DCS */ - ret = mdfld_dsi_dbi_send_dcs(dsi_output, exit_sleep_mode, NULL, - 0, CMD_DATA_SRC_SYSTEM_MEM); - if (ret) { - dev_err(dev->dev, "sent exit_sleep_mode faild\n"); - goto out_err; - } - - /*send set_tear_on DCS*/ - ret = mdfld_dsi_dbi_send_dcs(dsi_output, set_tear_on, - ¶m, 1, CMD_DATA_SRC_SYSTEM_MEM); - if (ret) { - dev_err(dev->dev, "%s - sent set_tear_on faild\n", __func__); - goto out_err; - } - - /* Do some init stuff */ - mdfld_dsi_brightness_init(dsi_config, pipe); - mdfld_dsi_gen_fifo_ready(dev, (MIPIA_GEN_FIFO_STAT_REG + reg_offset), - HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY); - - REG_WRITE(pipeconf_reg, pipeconf_val | PIPEACONF_DSR); - REG_READ(pipeconf_reg); - - /* TODO: this looks ugly, try to move it to CRTC mode setting */ - if (pipe == 2) - dev_priv->pipeconf2 |= PIPEACONF_DSR; - else - dev_priv->pipeconf |= PIPEACONF_DSR; - - dev_dbg(dev->dev, "pipeconf %x\n", REG_READ(pipeconf_reg)); - - ret = mdfld_dsi_dbi_update_area(dsi_output, 0, 0, - h_active_area - 1, v_active_area - 1); - if (ret) { - dev_err(dev->dev, "update area failed\n"); - goto out_err; - } - -out_err: - gma_power_end(dev); - - if (ret) - dev_err(dev->dev, "mode set failed\n"); - else - dev_dbg(dev->dev, "mode set done successfully\n"); -} - -static void pyr_dsi_dbi_prepare(struct drm_encoder *encoder) -{ - struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); - struct mdfld_dsi_dbi_output *dbi_output = - MDFLD_DSI_DBI_OUTPUT(dsi_encoder); - - dbi_output->mode_flags |= MODE_SETTING_IN_ENCODER; - dbi_output->mode_flags &= ~MODE_SETTING_ENCODER_DONE; - - pyr_dsi_dbi_set_power(encoder, false); -} - -static void pyr_dsi_dbi_commit(struct drm_encoder *encoder) -{ - struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); - struct mdfld_dsi_dbi_output *dbi_output = - MDFLD_DSI_DBI_OUTPUT(dsi_encoder); - struct drm_device *dev = dbi_output->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct psb_drm_dpu_rect rect; - - pyr_dsi_dbi_set_power(encoder, true); - - dbi_output->mode_flags &= ~MODE_SETTING_IN_ENCODER; - - rect.x = rect.y = 0; - rect.width = 864; - rect.height = 480; - - if (dbi_output->channel_num == 1) { - dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_2; - /* If DPU enabled report a fullscreen damage */ - mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, &rect); - } else { - dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_0; - mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, &rect); - } - dbi_output->mode_flags |= MODE_SETTING_ENCODER_DONE; -} - -static void pyr_dsi_dbi_dpms(struct drm_encoder *encoder, int mode) -{ - struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); - struct mdfld_dsi_dbi_output *dbi_output = - MDFLD_DSI_DBI_OUTPUT(dsi_encoder); - struct drm_device *dev = dbi_output->dev; - - dev_dbg(dev->dev, "%s\n", (mode == DRM_MODE_DPMS_ON ? "on" : "off")); - - if (mode == DRM_MODE_DPMS_ON) - pyr_dsi_dbi_set_power(encoder, true); - else - pyr_dsi_dbi_set_power(encoder, false); -} - -/* - * Update the DBI MIPI Panel Frame Buffer. - */ -static void pyr_dsi_dbi_update_fb(struct mdfld_dsi_dbi_output *dbi_output, - int pipe) -{ - struct mdfld_dsi_pkg_sender *sender = - mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base); - struct drm_device *dev = dbi_output->dev; - struct drm_crtc *crtc = dbi_output->base.base.crtc; - struct psb_intel_crtc *psb_crtc = (crtc) ? - to_psb_intel_crtc(crtc) : NULL; - - u32 dpll_reg = MRST_DPLL_A; - u32 dspcntr_reg = DSPACNTR; - u32 pipeconf_reg = PIPEACONF; - u32 dsplinoff_reg = DSPALINOFF; - u32 dspsurf_reg = DSPASURF; - u32 hs_gen_ctrl_reg = HS_GEN_CTRL_REG; - u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG; - u32 reg_offset = 0; - - u32 intr_status; - u32 fifo_stat_reg_val; - u32 dpll_reg_val; - u32 dspcntr_reg_val; - u32 pipeconf_reg_val; - - /* If mode setting on-going, back off */ - if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) || - (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING) || - !(dbi_output->mode_flags & MODE_SETTING_ENCODER_DONE)) - return; - - /* - * Look for errors here. In particular we're checking for whatever - * error status might have appeared during the last frame transmit - * (memory write). - * - * Normally, the bits we're testing here would be set infrequently, - * if at all. However, one panel (at least) returns at least one - * error bit on most frames. So we've disabled the kernel message - * for now. - * - * Still clear whatever error bits are set, except don't clear the - * ones that would make the Penwell DSI controller reset if we - * cleared them. - */ - intr_status = REG_READ(INTR_STAT_REG); - if ((intr_status & 0x26FFFFFF) != 0) { - /* dev_err(dev->dev, "DSI status: 0x%08X\n", intr_status); */ - intr_status &= 0x26F3FFFF; - REG_WRITE(INTR_STAT_REG, intr_status); - } - - if (pipe == 2) { - dspcntr_reg = DSPCCNTR; - pipeconf_reg = PIPECCONF; - dsplinoff_reg = DSPCLINOFF; - dspsurf_reg = DSPCSURF; - - hs_gen_ctrl_reg = HS_GEN_CTRL_REG + MIPIC_REG_OFFSET; - gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET, - - reg_offset = MIPIC_REG_OFFSET; - } - - if (!gma_power_begin(dev, true)) { - dev_err(dev->dev, "hw begin failed\n"); - return; - } - - fifo_stat_reg_val = REG_READ(MIPIA_GEN_FIFO_STAT_REG + reg_offset); - dpll_reg_val = REG_READ(dpll_reg); - dspcntr_reg_val = REG_READ(dspcntr_reg); - pipeconf_reg_val = REG_READ(pipeconf_reg); - - if (!(fifo_stat_reg_val & (1 << 27)) || - (dpll_reg_val & DPLL_VCO_ENABLE) || - !(dspcntr_reg_val & DISPLAY_PLANE_ENABLE) || - !(pipeconf_reg_val & DISPLAY_PLANE_ENABLE)) { - goto update_fb_out0; - } - - /* Refresh plane changes */ - REG_WRITE(dsplinoff_reg, REG_READ(dsplinoff_reg)); - REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg)); - REG_READ(dspsurf_reg); - - mdfld_dsi_send_dcs(sender, - write_mem_start, - NULL, - 0, - CMD_DATA_SRC_PIPE, - MDFLD_DSI_SEND_PACKAGE); - - /* - * The idea here is to transmit a Generic Read command after the - * Write Memory Start/Continue commands finish. This asks for - * the panel to return an "ACK No Errors," or (if it has errors - * to report) an Error Report. This allows us to monitor the - * panel's perception of the health of the DSI. - */ - mdfld_dsi_gen_fifo_ready(dev, gen_fifo_stat_reg, - HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY); - REG_WRITE(hs_gen_ctrl_reg, (1 << WORD_COUNTS_POS) | GEN_READ_0); - - dbi_output->dsr_fb_update_done = true; -update_fb_out0: - gma_power_end(dev); -} - -/* - * TODO: will be removed later, should work out display interfaces for power - */ -void pyr_dsi_adapter_init(struct mdfld_dsi_config *dsi_config, int pipe) -{ - if (!dsi_config || (pipe != 0 && pipe != 2)) { - WARN_ON(1); - return; - } - pyr_dsi_controller_dbi_init(dsi_config, pipe); -} - -static int pyr_cmd_get_panel_info(struct drm_device *dev, int pipe, - struct panel_info *pi) -{ - if (!dev || !pi) - return -EINVAL; - - pi->width_mm = PYR_PANEL_WIDTH; - pi->height_mm = PYR_PANEL_HEIGHT; - - return 0; -} - -/* PYR DBI encoder helper funcs */ -static const struct drm_encoder_helper_funcs pyr_dsi_dbi_helper_funcs = { - .dpms = pyr_dsi_dbi_dpms, - .mode_fixup = pyr_dsi_dbi_mode_fixup, - .prepare = pyr_dsi_dbi_prepare, - .mode_set = pyr_dsi_dbi_mode_set, - .commit = pyr_dsi_dbi_commit, -}; - -/* PYR DBI encoder funcs */ -static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - -void pyr_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs) -{ - p_funcs->encoder_funcs = &mdfld_dsi_dbi_encoder_funcs; - p_funcs->encoder_helper_funcs = &pyr_dsi_dbi_helper_funcs; - p_funcs->get_config_mode = &pyr_cmd_get_config_mode; - p_funcs->update_fb = pyr_dsi_dbi_update_fb; - p_funcs->get_panel_info = pyr_cmd_get_panel_info; -} diff --git a/drivers/staging/gma500/mdfld_tmd_vid.c b/drivers/staging/gma500/mdfld_tmd_vid.c deleted file mode 100644 index affdc09c67694c..00000000000000 --- a/drivers/staging/gma500/mdfld_tmd_vid.c +++ /dev/null @@ -1,206 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Jim Liu <jim.liu@intel.com> - * Jackie Li<yaodong.li@intel.com> - * Gideon Eaton <eaton. - * Scott Rowe <scott.m.rowe@intel.com> - */ - -#include "mdfld_dsi_dbi.h" -#include "mdfld_dsi_dpi.h" -#include "mdfld_dsi_output.h" -#include "mdfld_output.h" - -#include "mdfld_dsi_pkg_sender.h" - -#include "displays/tmd_vid.h" - -/* FIXME: static ? */ -struct drm_display_mode *tmd_vid_get_config_mode(struct drm_device *dev) -{ - struct drm_display_mode *mode; - struct drm_psb_private *dev_priv = dev->dev_private; - struct mrst_timing_info *ti = &dev_priv->gct_data.DTD; - bool use_gct = false; /*Disable GCT for now*/ - - mode = kzalloc(sizeof(*mode), GFP_KERNEL); - if (!mode) { - dev_err(dev->dev, "Out of memory\n"); - return NULL; - } - - if (use_gct) { - dev_dbg(dev->dev, "gct find MIPI panel.\n"); - - mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo; - mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo; - mode->hsync_start = mode->hdisplay + - ((ti->hsync_offset_hi << 8) | - ti->hsync_offset_lo); - mode->hsync_end = mode->hsync_start + - ((ti->hsync_pulse_width_hi << 8) | - ti->hsync_pulse_width_lo); - mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | - ti->hblank_lo); - mode->vsync_start = \ - mode->vdisplay + ((ti->vsync_offset_hi << 8) | - ti->vsync_offset_lo); - mode->vsync_end = \ - mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \ - ti->vsync_pulse_width_lo); - mode->vtotal = mode->vdisplay + - ((ti->vblank_hi << 8) | ti->vblank_lo); - mode->clock = ti->pixel_clock * 10; - - dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay); - dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay); - dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start); - dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end); - dev_dbg(dev->dev, "htotal is %d\n", mode->htotal); - dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start); - dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end); - dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal); - dev_dbg(dev->dev, "clock is %d\n", mode->clock); - } else { - mode->hdisplay = 480; - mode->vdisplay = 854; - mode->hsync_start = 487; - mode->hsync_end = 490; - mode->htotal = 499; - mode->vsync_start = 861; - mode->vsync_end = 865; - mode->vtotal = 873; - mode->clock = 33264; - } - drm_mode_set_name(mode); - drm_mode_set_crtcinfo(mode, 0); - - mode->type |= DRM_MODE_TYPE_PREFERRED; - - return mode; -} - -static int tmd_vid_get_panel_info(struct drm_device *dev, - int pipe, - struct panel_info *pi) -{ - if (!dev || !pi) - return -EINVAL; - - pi->width_mm = TMD_PANEL_WIDTH; - pi->height_mm = TMD_PANEL_HEIGHT; - - return 0; -} - -/* - * mdfld_init_TMD_MIPI - initialise a TMD interface - * @dsi_config: configuration - * @pipe: pipe to configure - * - * This function is called only by mrst_dsi_mode_set and - * restore_display_registers. since this function does not - * acquire the mutex, it is important that the calling function - * does! - */ - - -static void mdfld_dsi_tmd_drv_ic_init(struct mdfld_dsi_config *dsi_config, - int pipe) -{ - static u32 tmd_cmd_mcap_off[] = {0x000000b2}; - static u32 tmd_cmd_enable_lane_switch[] = {0x000101ef}; - static u32 tmd_cmd_set_lane_num[] = {0x006360ef}; - static u32 tmd_cmd_pushing_clock0[] = {0x00cc2fef}; - static u32 tmd_cmd_pushing_clock1[] = {0x00dd6eef}; - static u32 tmd_cmd_set_mode[] = {0x000000b3}; - static u32 tmd_cmd_set_sync_pulse_mode[] = {0x000961ef}; - static u32 tmd_cmd_set_column[] = {0x0100002a, 0x000000df}; - static u32 tmd_cmd_set_page[] = {0x0300002b, 0x00000055}; - static u32 tmd_cmd_set_video_mode[] = {0x00000153}; - /*no auto_bl,need add in furture*/ - static u32 tmd_cmd_enable_backlight[] = {0x00005ab4}; - static u32 tmd_cmd_set_backlight_dimming[] = {0x00000ebd}; - - struct mdfld_dsi_pkg_sender *sender - = mdfld_dsi_get_pkg_sender(dsi_config); - - DRM_INFO("Enter mdfld init TMD MIPI display.\n"); - - if (!sender) { - DRM_ERROR("Cannot get sender\n"); - return; - } - - if (dsi_config->dvr_ic_inited) - return; - - msleep(3); - - mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_mcap_off, 1, 0); - mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_enable_lane_switch, 1, 0); - mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_lane_num, 1, 0); - mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_pushing_clock0, 1, 0); - mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_pushing_clock1, 1, 0); - mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_mode, 1, 0); - mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_sync_pulse_mode, 1, 0); - mdfld_dsi_send_mcs_long_lp(sender, tmd_cmd_set_column, 2, 0); - mdfld_dsi_send_mcs_long_lp(sender, tmd_cmd_set_page, 2, 0); - mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_video_mode, 1, 0); - mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_enable_backlight, 1, 0); - mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_backlight_dimming, 1, 0); - - dsi_config->dvr_ic_inited = 1; -} - -/* TMD DPI encoder helper funcs */ -static const struct drm_encoder_helper_funcs - mdfld_tpo_dpi_encoder_helper_funcs = { - .dpms = mdfld_dsi_dpi_dpms, - .mode_fixup = mdfld_dsi_dpi_mode_fixup, - .prepare = mdfld_dsi_dpi_prepare, - .mode_set = mdfld_dsi_dpi_mode_set, - .commit = mdfld_dsi_dpi_commit, -}; - -/* TMD DPI encoder funcs */ -static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - -void tmd_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs) -{ - if (!dev || !p_funcs) { - dev_err(dev->dev, "Invalid parameters\n"); - return; - } - - p_funcs->encoder_funcs = &mdfld_tpo_dpi_encoder_funcs; - p_funcs->encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs; - p_funcs->get_config_mode = &tmd_vid_get_config_mode; - p_funcs->update_fb = NULL; - p_funcs->get_panel_info = tmd_vid_get_panel_info; - p_funcs->reset = mdfld_dsi_panel_reset; - p_funcs->drv_ic_init = mdfld_dsi_tmd_drv_ic_init; -} diff --git a/drivers/staging/gma500/mdfld_tpo_cmd.c b/drivers/staging/gma500/mdfld_tpo_cmd.c deleted file mode 100644 index c7f7c9c19bc1f7..00000000000000 --- a/drivers/staging/gma500/mdfld_tpo_cmd.c +++ /dev/null @@ -1,509 +0,0 @@ -/* - * Copyright (c) 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicensen - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Thomas Eaton <thomas.g.eaton@intel.com> - * Scott Rowe <scott.m.rowe@intel.com> - */ - -#include "mdfld_dsi_dbi.h" -#include "mdfld_dsi_dpi.h" -#include "mdfld_dsi_output.h" -#include "mdfld_output.h" -#include "mdfld_dsi_dbi_dpu.h" -#include "mdfld_dsi_pkg_sender.h" - -#include "displays/tpo_cmd.h" - -static struct drm_display_mode *tpo_cmd_get_config_mode(struct drm_device *dev) -{ - struct drm_display_mode *mode; - struct drm_psb_private *dev_priv = dev->dev_private; - struct mrst_timing_info *ti = &dev_priv->gct_data.DTD; - bool use_gct = false; - - mode = kzalloc(sizeof(*mode), GFP_KERNEL); - if (!mode) - return NULL; - - if (use_gct) { - dev_dbg(dev->dev, "gct find MIPI panel.\n"); - - mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo; - mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo; - mode->hsync_start = mode->hdisplay + \ - ((ti->hsync_offset_hi << 8) | \ - ti->hsync_offset_lo); - mode->hsync_end = mode->hsync_start + \ - ((ti->hsync_pulse_width_hi << 8) | \ - ti->hsync_pulse_width_lo); - mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \ - ti->hblank_lo); - mode->vsync_start = \ - mode->vdisplay + ((ti->vsync_offset_hi << 8) | \ - ti->vsync_offset_lo); - mode->vsync_end = \ - mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \ - ti->vsync_pulse_width_lo); - mode->vtotal = mode->vdisplay + \ - ((ti->vblank_hi << 8) | ti->vblank_lo); - mode->clock = ti->pixel_clock * 10; - - dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay); - dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay); - dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start); - dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end); - dev_dbg(dev->dev, "htotal is %d\n", mode->htotal); - dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start); - dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end); - dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal); - dev_dbg(dev->dev, "clock is %d\n", mode->clock); - } else { - mode->hdisplay = 864; - mode->vdisplay = 480; - mode->hsync_start = 872; - mode->hsync_end = 876; - mode->htotal = 884; - mode->vsync_start = 482; - mode->vsync_end = 494; - mode->vtotal = 486; - mode->clock = 25777; - } - - drm_mode_set_name(mode); - drm_mode_set_crtcinfo(mode, 0); - - mode->type |= DRM_MODE_TYPE_PREFERRED; - - return mode; -} - -static bool mdfld_dsi_dbi_mode_fixup(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct drm_device *dev = encoder->dev; - struct drm_display_mode *fixed_mode = tpo_cmd_get_config_mode(dev); - - if (fixed_mode) { - adjusted_mode->hdisplay = fixed_mode->hdisplay; - adjusted_mode->hsync_start = fixed_mode->hsync_start; - adjusted_mode->hsync_end = fixed_mode->hsync_end; - adjusted_mode->htotal = fixed_mode->htotal; - adjusted_mode->vdisplay = fixed_mode->vdisplay; - adjusted_mode->vsync_start = fixed_mode->vsync_start; - adjusted_mode->vsync_end = fixed_mode->vsync_end; - adjusted_mode->vtotal = fixed_mode->vtotal; - adjusted_mode->clock = fixed_mode->clock; - drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V); - kfree(fixed_mode); - } - return true; -} - -static void mdfld_dsi_dbi_set_power(struct drm_encoder *encoder, bool on) -{ - int ret = 0; - struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); - struct mdfld_dsi_dbi_output *dbi_output = - MDFLD_DSI_DBI_OUTPUT(dsi_encoder); - struct mdfld_dsi_config *dsi_config = - mdfld_dsi_encoder_get_config(dsi_encoder); - struct mdfld_dsi_pkg_sender *sender = - mdfld_dsi_encoder_get_pkg_sender(dsi_encoder); - struct drm_device *dev = encoder->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - u32 reg_offset = 0; - int pipe = (dbi_output->channel_num == 0) ? 0 : 2; - u32 data = 0; - - dev_dbg(dev->dev, "pipe %d : %s, panel on: %s\n", - pipe, on ? "On" : "Off", - dbi_output->dbi_panel_on ? "True" : "False"); - - if (pipe == 2) { - if (on) - dev_priv->dual_mipi = true; - else - dev_priv->dual_mipi = false; - reg_offset = MIPIC_REG_OFFSET; - } else { - if (!on) - dev_priv->dual_mipi = false; - } - - if (!gma_power_begin(dev, true)) { - dev_err(dev->dev, "hw begin failed\n"); - return; - } - - if (on) { - if (dbi_output->dbi_panel_on) - goto out_err; - - ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_ON); - if (ret) { - dev_err(dev->dev, "power on error\n"); - goto out_err; - } - - dbi_output->dbi_panel_on = true; - - if (pipe == 2) - dev_priv->dbi_panel_on2 = true; - else - dev_priv->dbi_panel_on = true; - mdfld_enable_te(dev, pipe); - } else { - if (!dbi_output->dbi_panel_on && !dbi_output->first_boot) - goto out_err; - - dbi_output->dbi_panel_on = false; - dbi_output->first_boot = false; - - if (pipe == 2) - dev_priv->dbi_panel_on2 = false; - else - dev_priv->dbi_panel_on = false; - - mdfld_disable_te(dev, pipe); - - ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_OFF); - if (ret) { - dev_err(dev->dev, "power on error\n"); - goto out_err; - } - } - - /* - * FIXME: this is a WA for TPO panel crash on DPMS on & off around - * 83 times. the root cause of this issue is that Booster in - * drvIC crashed. Add this WA so that we can resume the driver IC - * once we found that booster has a fault - */ - mdfld_dsi_get_power_mode(dsi_config, - &data, - MDFLD_DSI_HS_TRANSMISSION); - - if (on && data && !(data & (1 << 7))) { - /* Soft reset */ - mdfld_dsi_send_dcs(sender, - DCS_SOFT_RESET, - NULL, - 0, - CMD_DATA_SRC_PIPE, - MDFLD_DSI_SEND_PACKAGE); - - /* Init drvIC */ - if (dbi_output->p_funcs->drv_ic_init) - dbi_output->p_funcs->drv_ic_init(dsi_config, - pipe); - } - -out_err: - gma_power_end(dev); - if (ret) - dev_err(dev->dev, "failed\n"); -} - - -static void mdfld_dsi_dbi_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - int ret = 0; - struct drm_device *dev = encoder->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); - struct mdfld_dsi_dbi_output *dsi_output = - MDFLD_DSI_DBI_OUTPUT(dsi_encoder); - struct mdfld_dsi_config *dsi_config = - mdfld_dsi_encoder_get_config(dsi_encoder); - struct mdfld_dsi_connector *dsi_connector = dsi_config->connector; - int pipe = dsi_connector->pipe; - u8 param = 0; - - /* Regs */ - u32 mipi_reg = MIPI; - u32 dspcntr_reg = DSPACNTR; - u32 pipeconf_reg = PIPEACONF; - u32 reg_offset = 0; - - /* Values */ - u32 dspcntr_val = dev_priv->dspcntr; - u32 pipeconf_val = dev_priv->pipeconf; - u32 h_active_area = mode->hdisplay; - u32 v_active_area = mode->vdisplay; - u32 mipi_val; - - mipi_val = (PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX | - TE_TRIGGER_GPIO_PIN); - - dev_dbg(dev->dev, "mipi_val =0x%x\n", mipi_val); - - dev_dbg(dev->dev, "type %s\n", (pipe == 2) ? "MIPI2" : "MIPI"); - dev_dbg(dev->dev, "h %d v %d\n", mode->hdisplay, mode->vdisplay); - - if (pipe == 2) { - mipi_reg = MIPI_C; - dspcntr_reg = DSPCCNTR; - pipeconf_reg = PIPECCONF; - - reg_offset = MIPIC_REG_OFFSET; - - dspcntr_val = dev_priv->dspcntr2; - pipeconf_val = dev_priv->pipeconf2; - } else { - mipi_val |= 0x2; /*two lanes for port A and C respectively*/ - } - - if (!gma_power_begin(dev, true)) { - dev_err(dev->dev, "hw begin failed\n"); - return; - } - - REG_WRITE(dspcntr_reg, dspcntr_val); - REG_READ(dspcntr_reg); - - /* 20ms delay before sending exit_sleep_mode */ - msleep(20); - - /* Send exit_sleep_mode DCS */ - ret = mdfld_dsi_dbi_send_dcs(dsi_output, DCS_EXIT_SLEEP_MODE, - NULL, 0, CMD_DATA_SRC_SYSTEM_MEM); - if (ret) { - dev_err(dev->dev, "sent exit_sleep_mode faild\n"); - goto out_err; - } - - /* Send set_tear_on DCS */ - ret = mdfld_dsi_dbi_send_dcs(dsi_output, DCS_SET_TEAR_ON, - ¶m, 1, CMD_DATA_SRC_SYSTEM_MEM); - if (ret) { - dev_err(dev->dev, "%s - sent set_tear_on faild\n", __func__); - goto out_err; - } - - /* Do some init stuff */ - REG_WRITE(pipeconf_reg, pipeconf_val | PIPEACONF_DSR); - REG_READ(pipeconf_reg); - - /* TODO: this looks ugly, try to move it to CRTC mode setting*/ - if (pipe == 2) - dev_priv->pipeconf2 |= PIPEACONF_DSR; - else - dev_priv->pipeconf |= PIPEACONF_DSR; - - dev_dbg(dev->dev, "pipeconf %x\n", REG_READ(pipeconf_reg)); - - ret = mdfld_dsi_dbi_update_area(dsi_output, 0, 0, - h_active_area - 1, v_active_area - 1); - if (ret) { - dev_err(dev->dev, "update area failed\n"); - goto out_err; - } - -out_err: - gma_power_end(dev); - - if (ret) - dev_err(dev->dev, "mode set failed\n"); -} - -static void mdfld_dsi_dbi_prepare(struct drm_encoder *encoder) -{ - struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); - struct mdfld_dsi_dbi_output *dbi_output - = MDFLD_DSI_DBI_OUTPUT(dsi_encoder); - - dbi_output->mode_flags |= MODE_SETTING_IN_ENCODER; - dbi_output->mode_flags &= ~MODE_SETTING_ENCODER_DONE; - - mdfld_dsi_dbi_set_power(encoder, false); -} - -static void mdfld_dsi_dbi_commit(struct drm_encoder *encoder) -{ - struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); - struct mdfld_dsi_dbi_output *dbi_output = - MDFLD_DSI_DBI_OUTPUT(dsi_encoder); - struct drm_device *dev = dbi_output->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct psb_drm_dpu_rect rect; - - mdfld_dsi_dbi_set_power(encoder, true); - dbi_output->mode_flags &= ~MODE_SETTING_IN_ENCODER; - - rect.x = rect.y = 0; - rect.width = 864; - rect.height = 480; - - if (dbi_output->channel_num == 1) { - dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_2; - /*if dpu enabled report a fullscreen damage*/ - mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, &rect); - } else { - dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_0; - mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, &rect); - } - dbi_output->mode_flags |= MODE_SETTING_ENCODER_DONE; -} - -static void mdfld_dsi_dbi_dpms(struct drm_encoder *encoder, int mode) -{ - struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder); - struct mdfld_dsi_dbi_output *dbi_output - = MDFLD_DSI_DBI_OUTPUT(dsi_encoder); - struct drm_device *dev = dbi_output->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - static bool bdispoff; - - dev_dbg(dev->dev, "%s\n", (mode == DRM_MODE_DPMS_ON ? "on" : "off")); - - if (mode == DRM_MODE_DPMS_ON) { - /* - * FIXME: in case I am wrong! - * we don't need to exit dsr here to wake up plane/pipe/pll - * if everything goes right, hw_begin will resume them all - * during set_power. - */ - if (bdispoff /* FIXME && gbgfxsuspended */) { - mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_2D_3D); - bdispoff = false; - dev_priv->dispstatus = true; - } - - mdfld_dsi_dbi_set_power(encoder, true); - /* FIXME if (gbgfxsuspended) - gbgfxsuspended = false; */ - } else { - /* - * I am not sure whether this is the perfect place to - * turn rpm on since we still have a lot of CRTC turnning - * on work to do. - */ - bdispoff = true; - dev_priv->dispstatus = false; - mdfld_dsi_dbi_set_power(encoder, false); - } -} - - -/* - * Update the DBI MIPI Panel Frame Buffer. - */ -static void mdfld_dsi_dbi_update_fb(struct mdfld_dsi_dbi_output *dbi_output, - int pipe) -{ - struct mdfld_dsi_pkg_sender *sender = - mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base); - struct drm_device *dev = dbi_output->dev; - struct drm_crtc *crtc = dbi_output->base.base.crtc; - struct psb_intel_crtc *psb_crtc = (crtc) ? - to_psb_intel_crtc(crtc) : NULL; - u32 dpll_reg = MRST_DPLL_A; - u32 dspcntr_reg = DSPACNTR; - u32 pipeconf_reg = PIPEACONF; - u32 dsplinoff_reg = DSPALINOFF; - u32 dspsurf_reg = DSPASURF; - u32 reg_offset = 0; - - /* If mode setting on-going, back off */ - if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) || - (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING) || - !(dbi_output->mode_flags & MODE_SETTING_ENCODER_DONE)) - return; - - if (pipe == 2) { - dspcntr_reg = DSPCCNTR; - pipeconf_reg = PIPECCONF; - dsplinoff_reg = DSPCLINOFF; - dspsurf_reg = DSPCSURF; - reg_offset = MIPIC_REG_OFFSET; - } - - if (!gma_power_begin(dev, true)) { - dev_err(dev->dev, "hw begin failed\n"); - return; - } - - /* Check DBI FIFO status */ - if (!(REG_READ(dpll_reg) & DPLL_VCO_ENABLE) || - !(REG_READ(dspcntr_reg) & DISPLAY_PLANE_ENABLE) || - !(REG_READ(pipeconf_reg) & DISPLAY_PLANE_ENABLE)) - goto update_fb_out0; - - /* Refresh plane changes */ - REG_WRITE(dsplinoff_reg, REG_READ(dsplinoff_reg)); - REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg)); - REG_READ(dspsurf_reg); - - mdfld_dsi_send_dcs(sender, - DCS_WRITE_MEM_START, - NULL, - 0, - CMD_DATA_SRC_PIPE, - MDFLD_DSI_SEND_PACKAGE); - - dbi_output->dsr_fb_update_done = true; -update_fb_out0: - gma_power_end(dev); -} - -static int tpo_cmd_get_panel_info(struct drm_device *dev, - int pipe, - struct panel_info *pi) -{ - if (!dev || !pi) - return -EINVAL; - - pi->width_mm = TPO_PANEL_WIDTH; - pi->height_mm = TPO_PANEL_HEIGHT; - - return 0; -} - - -/* TPO DBI encoder helper funcs */ -static const struct drm_encoder_helper_funcs mdfld_dsi_dbi_helper_funcs = { - .dpms = mdfld_dsi_dbi_dpms, - .mode_fixup = mdfld_dsi_dbi_mode_fixup, - .prepare = mdfld_dsi_dbi_prepare, - .mode_set = mdfld_dsi_dbi_mode_set, - .commit = mdfld_dsi_dbi_commit, -}; - -/* TPO DBI encoder funcs */ -static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - -void tpo_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs) -{ - p_funcs->encoder_funcs = &mdfld_dsi_dbi_encoder_funcs; - p_funcs->encoder_helper_funcs = &mdfld_dsi_dbi_helper_funcs; - p_funcs->get_config_mode = &tpo_cmd_get_config_mode; - p_funcs->update_fb = mdfld_dsi_dbi_update_fb; - p_funcs->get_panel_info = tpo_cmd_get_panel_info; - p_funcs->reset = mdfld_dsi_panel_reset; - p_funcs->drv_ic_init = mdfld_dsi_brightness_init; -} diff --git a/drivers/staging/gma500/mdfld_tpo_vid.c b/drivers/staging/gma500/mdfld_tpo_vid.c deleted file mode 100644 index 954901751760a8..00000000000000 --- a/drivers/staging/gma500/mdfld_tpo_vid.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * jim liu <jim.liu@intel.com> - * Jackie Li<yaodong.li@intel.com> - */ - -#include "mdfld_dsi_dbi.h" -#include "mdfld_dsi_dpi.h" -#include "mdfld_dsi_output.h" -#include "mdfld_output.h" - -#include "mdfld_dsi_pkg_sender.h" - -#include "displays/tpo_vid.h" - -static struct drm_display_mode *tpo_vid_get_config_mode(struct drm_device *dev) -{ - struct drm_display_mode *mode; - struct drm_psb_private *dev_priv = dev->dev_private; - struct mrst_timing_info *ti = &dev_priv->gct_data.DTD; - bool use_gct = false; - - mode = kzalloc(sizeof(*mode), GFP_KERNEL); - if (!mode) { - dev_err(dev->dev, "out of memory\n"); - return NULL; - } - - if (use_gct) { - mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo; - mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo; - mode->hsync_start = mode->hdisplay + \ - ((ti->hsync_offset_hi << 8) | \ - ti->hsync_offset_lo); - mode->hsync_end = mode->hsync_start + \ - ((ti->hsync_pulse_width_hi << 8) | \ - ti->hsync_pulse_width_lo); - mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \ - ti->hblank_lo); - mode->vsync_start = \ - mode->vdisplay + ((ti->vsync_offset_hi << 8) | \ - ti->vsync_offset_lo); - mode->vsync_end = \ - mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \ - ti->vsync_pulse_width_lo); - mode->vtotal = mode->vdisplay + \ - ((ti->vblank_hi << 8) | ti->vblank_lo); - mode->clock = ti->pixel_clock * 10; - - dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay); - dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay); - dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start); - dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end); - dev_dbg(dev->dev, "htotal is %d\n", mode->htotal); - dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start); - dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end); - dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal); - dev_dbg(dev->dev, "clock is %d\n", mode->clock); - } else { - mode->hdisplay = 864; - mode->vdisplay = 480; - mode->hsync_start = 873; - mode->hsync_end = 876; - mode->htotal = 887; - mode->vsync_start = 487; - mode->vsync_end = 490; - mode->vtotal = 499; - mode->clock = 33264; - } - - drm_mode_set_name(mode); - drm_mode_set_crtcinfo(mode, 0); - - mode->type |= DRM_MODE_TYPE_PREFERRED; - - return mode; -} - -static int tpo_vid_get_panel_info(struct drm_device *dev, - int pipe, - struct panel_info *pi) -{ - if (!dev || !pi) - return -EINVAL; - - pi->width_mm = TPO_PANEL_WIDTH; - pi->height_mm = TPO_PANEL_HEIGHT; - - return 0; -} - -/*TPO DPI encoder helper funcs*/ -static const struct drm_encoder_helper_funcs - mdfld_tpo_dpi_encoder_helper_funcs = { - .dpms = mdfld_dsi_dpi_dpms, - .mode_fixup = mdfld_dsi_dpi_mode_fixup, - .prepare = mdfld_dsi_dpi_prepare, - .mode_set = mdfld_dsi_dpi_mode_set, - .commit = mdfld_dsi_dpi_commit, -}; - -/*TPO DPI encoder funcs*/ -static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = { - .destroy = drm_encoder_cleanup, -}; - -void tpo_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs) -{ - if (!dev || !p_funcs) { - dev_err(dev->dev, "tpo_vid_init: Invalid parameters\n"); - return; - } - - p_funcs->encoder_funcs = &mdfld_tpo_dpi_encoder_funcs; - p_funcs->encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs; - p_funcs->get_config_mode = &tpo_vid_get_config_mode; - p_funcs->update_fb = NULL; - p_funcs->get_panel_info = tpo_vid_get_panel_info; -} diff --git a/drivers/staging/gma500/medfield.h b/drivers/staging/gma500/medfield.h deleted file mode 100644 index 09e9687431f16a..00000000000000 --- a/drivers/staging/gma500/medfield.h +++ /dev/null @@ -1,268 +0,0 @@ -/* - * Copyright © 2011 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -/* Medfield DSI controller registers */ - -#define MIPIA_DEVICE_READY_REG 0xb000 -#define MIPIA_INTR_STAT_REG 0xb004 -#define MIPIA_INTR_EN_REG 0xb008 -#define MIPIA_DSI_FUNC_PRG_REG 0xb00c -#define MIPIA_HS_TX_TIMEOUT_REG 0xb010 -#define MIPIA_LP_RX_TIMEOUT_REG 0xb014 -#define MIPIA_TURN_AROUND_TIMEOUT_REG 0xb018 -#define MIPIA_DEVICE_RESET_TIMER_REG 0xb01c -#define MIPIA_DPI_RESOLUTION_REG 0xb020 -#define MIPIA_DBI_FIFO_THROTTLE_REG 0xb024 -#define MIPIA_HSYNC_COUNT_REG 0xb028 -#define MIPIA_HBP_COUNT_REG 0xb02c -#define MIPIA_HFP_COUNT_REG 0xb030 -#define MIPIA_HACTIVE_COUNT_REG 0xb034 -#define MIPIA_VSYNC_COUNT_REG 0xb038 -#define MIPIA_VBP_COUNT_REG 0xb03c -#define MIPIA_VFP_COUNT_REG 0xb040 -#define MIPIA_HIGH_LOW_SWITCH_COUNT_REG 0xb044 -#define MIPIA_DPI_CONTROL_REG 0xb048 -#define MIPIA_DPI_DATA_REG 0xb04c -#define MIPIA_INIT_COUNT_REG 0xb050 -#define MIPIA_MAX_RETURN_PACK_SIZE_REG 0xb054 -#define MIPIA_VIDEO_MODE_FORMAT_REG 0xb058 -#define MIPIA_EOT_DISABLE_REG 0xb05c -#define MIPIA_LP_BYTECLK_REG 0xb060 -#define MIPIA_LP_GEN_DATA_REG 0xb064 -#define MIPIA_HS_GEN_DATA_REG 0xb068 -#define MIPIA_LP_GEN_CTRL_REG 0xb06c -#define MIPIA_HS_GEN_CTRL_REG 0xb070 -#define MIPIA_GEN_FIFO_STAT_REG 0xb074 -#define MIPIA_HS_LS_DBI_ENABLE_REG 0xb078 -#define MIPIA_DPHY_PARAM_REG 0xb080 -#define MIPIA_DBI_BW_CTRL_REG 0xb084 -#define MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG 0xb088 - -#define DSI_DEVICE_READY (0x1) -#define DSI_POWER_STATE_ULPS_ENTER (0x2 << 1) -#define DSI_POWER_STATE_ULPS_EXIT (0x1 << 1) -#define DSI_POWER_STATE_ULPS_OFFSET (0x1) - - -#define DSI_ONE_DATA_LANE (0x1) -#define DSI_TWO_DATA_LANE (0x2) -#define DSI_THREE_DATA_LANE (0X3) -#define DSI_FOUR_DATA_LANE (0x4) -#define DSI_DPI_VIRT_CHANNEL_OFFSET (0x3) -#define DSI_DBI_VIRT_CHANNEL_OFFSET (0x5) -#define DSI_DPI_COLOR_FORMAT_RGB565 (0x01 << 7) -#define DSI_DPI_COLOR_FORMAT_RGB666 (0x02 << 7) -#define DSI_DPI_COLOR_FORMAT_RGB666_UNPACK (0x03 << 7) -#define DSI_DPI_COLOR_FORMAT_RGB888 (0x04 << 7) -#define DSI_DBI_COLOR_FORMAT_OPTION2 (0x05 << 13) - -#define DSI_INTR_STATE_RXSOTERROR 1 - -#define DSI_INTR_STATE_SPL_PKG_SENT (1 << 30) -#define DSI_INTR_STATE_TE (1 << 31) - -#define DSI_HS_TX_TIMEOUT_MASK (0xffffff) - -#define DSI_LP_RX_TIMEOUT_MASK (0xffffff) - -#define DSI_TURN_AROUND_TIMEOUT_MASK (0x3f) - -#define DSI_RESET_TIMER_MASK (0xffff) - -#define DSI_DBI_FIFO_WM_HALF (0x0) -#define DSI_DBI_FIFO_WM_QUARTER (0x1) -#define DSI_DBI_FIFO_WM_LOW (0x2) - -#define DSI_DPI_TIMING_MASK (0xffff) - -#define DSI_INIT_TIMER_MASK (0xffff) - -#define DSI_DBI_RETURN_PACK_SIZE_MASK (0x3ff) - -#define DSI_LP_BYTECLK_MASK (0x0ffff) - -#define DSI_HS_CTRL_GEN_SHORT_W0 (0x03) -#define DSI_HS_CTRL_GEN_SHORT_W1 (0x13) -#define DSI_HS_CTRL_GEN_SHORT_W2 (0x23) -#define DSI_HS_CTRL_GEN_R0 (0x04) -#define DSI_HS_CTRL_GEN_R1 (0x14) -#define DSI_HS_CTRL_GEN_R2 (0x24) -#define DSI_HS_CTRL_GEN_LONG_W (0x29) -#define DSI_HS_CTRL_MCS_SHORT_W0 (0x05) -#define DSI_HS_CTRL_MCS_SHORT_W1 (0x15) -#define DSI_HS_CTRL_MCS_R0 (0x06) -#define DSI_HS_CTRL_MCS_LONG_W (0x39) -#define DSI_HS_CTRL_VC_OFFSET (0x06) -#define DSI_HS_CTRL_WC_OFFSET (0x08) - -#define DSI_FIFO_GEN_HS_DATA_FULL (1 << 0) -#define DSI_FIFO_GEN_HS_DATA_HALF_EMPTY (1 << 1) -#define DSI_FIFO_GEN_HS_DATA_EMPTY (1 << 2) -#define DSI_FIFO_GEN_LP_DATA_FULL (1 << 8) -#define DSI_FIFO_GEN_LP_DATA_HALF_EMPTY (1 << 9) -#define DSI_FIFO_GEN_LP_DATA_EMPTY (1 << 10) -#define DSI_FIFO_GEN_HS_CTRL_FULL (1 << 16) -#define DSI_FIFO_GEN_HS_CTRL_HALF_EMPTY (1 << 17) -#define DSI_FIFO_GEN_HS_CTRL_EMPTY (1 << 18) -#define DSI_FIFO_GEN_LP_CTRL_FULL (1 << 24) -#define DSI_FIFO_GEN_LP_CTRL_HALF_EMPTY (1 << 25) -#define DSI_FIFO_GEN_LP_CTRL_EMPTY (1 << 26) -#define DSI_FIFO_DBI_EMPTY (1 << 27) -#define DSI_FIFO_DPI_EMPTY (1 << 28) - -#define DSI_DBI_HS_LP_SWITCH_MASK (0x1) - -#define DSI_HS_LP_SWITCH_COUNTER_OFFSET (0x0) -#define DSI_LP_HS_SWITCH_COUNTER_OFFSET (0x16) - -#define DSI_DPI_CTRL_HS_SHUTDOWN (0x00000001) -#define DSI_DPI_CTRL_HS_TURN_ON (0x00000002) - -/* Medfield DSI adapter registers */ -#define MIPIA_CONTROL_REG 0xb104 -#define MIPIA_DATA_ADD_REG 0xb108 -#define MIPIA_DATA_LEN_REG 0xb10c -#define MIPIA_CMD_ADD_REG 0xb110 -#define MIPIA_CMD_LEN_REG 0xb114 - -/*dsi power modes*/ -#define DSI_POWER_MODE_DISPLAY_ON (1 << 2) -#define DSI_POWER_MODE_NORMAL_ON (1 << 3) -#define DSI_POWER_MODE_SLEEP_OUT (1 << 4) -#define DSI_POWER_MODE_PARTIAL_ON (1 << 5) -#define DSI_POWER_MODE_IDLE_ON (1 << 6) - -enum { - MDFLD_DSI_ENCODER_DBI = 0, - MDFLD_DSI_ENCODER_DPI, -}; - -enum { - MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE = 1, - MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_EVENTS = 2, - MDFLD_DSI_VIDEO_BURST_MODE = 3, -}; - -#define DSI_DPI_COMPLETE_LAST_LINE (1 << 2) -#define DSI_DPI_DISABLE_BTA (1 << 3) -/* Panel types */ -enum { - TPO_CMD, - TPO_VID, - TMD_CMD, - TMD_VID, - PYR_CMD, - PYR_VID, - TPO, - TMD, - PYR, - HDMI, - GCT_DETECT -}; - -/* Junk that belongs elsewhere */ -#define TPO_PANEL_WIDTH 84 -#define TPO_PANEL_HEIGHT 46 -#define TMD_PANEL_WIDTH 39 -#define TMD_PANEL_HEIGHT 71 -#define PYR_PANEL_WIDTH 53 -#define PYR_PANEL_HEIGHT 95 - -/* Panel interface */ -struct panel_info { - u32 width_mm; - u32 height_mm; -}; - -struct mdfld_dsi_dbi_output; - -struct mdfld_dsi_connector_state { - u32 mipi_ctrl_reg; -}; - -struct mdfld_dsi_encoder_state { - -}; - -struct mdfld_dsi_connector { - /* - * This is ugly, but I have to use connector in it! :-( - * FIXME: use drm_connector instead. - */ - struct psb_intel_output base; - - int pipe; - void *private; - void *pkg_sender; - - /* Connection status */ - enum drm_connector_status status; -}; - -struct mdfld_dsi_encoder { - struct drm_encoder base; - void *private; -}; - -/* - * DSI config, consists of one DSI connector, two DSI encoders. - * DRM will pick up on DSI encoder basing on differents configs. - */ -struct mdfld_dsi_config { - struct drm_device *dev; - struct drm_display_mode *fixed_mode; - struct drm_display_mode *mode; - - struct mdfld_dsi_connector *connector; - struct mdfld_dsi_encoder *encoders[DRM_CONNECTOR_MAX_ENCODER]; - struct mdfld_dsi_encoder *encoder; - - int changed; - - int bpp; - int type; - int lane_count; - /*Virtual channel number for this encoder*/ - int channel_num; - /*video mode configure*/ - int video_mode; - - int dvr_ic_inited; -}; - -#define MDFLD_DSI_CONNECTOR(psb_output) \ - (container_of(psb_output, struct mdfld_dsi_connector, base)) - -#define MDFLD_DSI_ENCODER(encoder) \ - (container_of(encoder, struct mdfld_dsi_encoder, base)) - -struct panel_funcs { - const struct drm_encoder_funcs *encoder_funcs; - const struct drm_encoder_helper_funcs *encoder_helper_funcs; - struct drm_display_mode *(*get_config_mode) (struct drm_device *); - void (*update_fb) (struct mdfld_dsi_dbi_output *, int); - int (*get_panel_info) (struct drm_device *, int, struct panel_info *); - int (*reset)(int pipe); - void (*drv_ic_init)(struct mdfld_dsi_config *dsi_config, int pipe); -}; - diff --git a/drivers/staging/gma500/mid_bios.c b/drivers/staging/gma500/mid_bios.c deleted file mode 100644 index ee3c0368e3200a..00000000000000 --- a/drivers/staging/gma500/mid_bios.c +++ /dev/null @@ -1,270 +0,0 @@ -/************************************************************************** - * Copyright (c) 2011, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - **************************************************************************/ - -/* TODO - * - Split functions by vbt type - * - Make them all take drm_device - * - Check ioremap failures - */ - -#include <linux/moduleparam.h> -#include <drm/drmP.h> -#include <drm/drm.h> -#include "psb_drm.h" -#include "psb_drv.h" -#include "mid_bios.h" -#include "mdfld_output.h" - -static int panel_id = GCT_DETECT; -module_param_named(panel_id, panel_id, int, 0600); -MODULE_PARM_DESC(panel_id, "Panel Identifier"); - - -static void mid_get_fuse_settings(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); - uint32_t fuse_value = 0; - uint32_t fuse_value_tmp = 0; - -#define FB_REG06 0xD0810600 -#define FB_MIPI_DISABLE (1 << 11) -#define FB_REG09 0xD0810900 -#define FB_REG09 0xD0810900 -#define FB_SKU_MASK 0x7000 -#define FB_SKU_SHIFT 12 -#define FB_SKU_100 0 -#define FB_SKU_100L 1 -#define FB_SKU_83 2 - pci_write_config_dword(pci_root, 0xD0, FB_REG06); - pci_read_config_dword(pci_root, 0xD4, &fuse_value); - - /* FB_MIPI_DISABLE doesn't mean LVDS on with Medfield */ - if (IS_MRST(dev)) - dev_priv->iLVDS_enable = fuse_value & FB_MIPI_DISABLE; - - DRM_INFO("internal display is %s\n", - dev_priv->iLVDS_enable ? "LVDS display" : "MIPI display"); - - /* Prevent runtime suspend at start*/ - if (dev_priv->iLVDS_enable) { - dev_priv->is_lvds_on = true; - dev_priv->is_mipi_on = false; - } else { - dev_priv->is_mipi_on = true; - dev_priv->is_lvds_on = false; - } - - dev_priv->video_device_fuse = fuse_value; - - pci_write_config_dword(pci_root, 0xD0, FB_REG09); - pci_read_config_dword(pci_root, 0xD4, &fuse_value); - - dev_dbg(dev->dev, "SKU values is 0x%x.\n", fuse_value); - fuse_value_tmp = (fuse_value & FB_SKU_MASK) >> FB_SKU_SHIFT; - - dev_priv->fuse_reg_value = fuse_value; - - switch (fuse_value_tmp) { - case FB_SKU_100: - dev_priv->core_freq = 200; - break; - case FB_SKU_100L: - dev_priv->core_freq = 100; - break; - case FB_SKU_83: - dev_priv->core_freq = 166; - break; - default: - dev_warn(dev->dev, "Invalid SKU values, SKU value = 0x%08x\n", - fuse_value_tmp); - dev_priv->core_freq = 0; - } - dev_dbg(dev->dev, "LNC core clk is %dMHz.\n", dev_priv->core_freq); - pci_dev_put(pci_root); -} - -/* - * Get the revison ID, B0:D2:F0;0x08 - */ -static void mid_get_pci_revID(struct drm_psb_private *dev_priv) -{ - uint32_t platform_rev_id = 0; - struct pci_dev *pci_gfx_root = pci_get_bus_and_slot(0, PCI_DEVFN(2, 0)); - - pci_read_config_dword(pci_gfx_root, 0x08, &platform_rev_id); - dev_priv->platform_rev_id = (uint8_t) platform_rev_id; - pci_dev_put(pci_gfx_root); - dev_dbg(dev_priv->dev->dev, "platform_rev_id is %x\n", - dev_priv->platform_rev_id); -} - -static void mid_get_vbt_data(struct drm_psb_private *dev_priv) -{ - struct drm_device *dev = dev_priv->dev; - struct mrst_vbt *vbt = &dev_priv->vbt_data; - u32 addr; - u16 new_size; - u8 *vbt_virtual; - u8 bpi; - u8 number_desc = 0; - struct mrst_timing_info *dp_ti = &dev_priv->gct_data.DTD; - struct gct_r10_timing_info ti; - void *pGCT; - struct pci_dev *pci_gfx_root = pci_get_bus_and_slot(0, PCI_DEVFN(2, 0)); - - /* Get the address of the platform config vbt, B0:D2:F0;0xFC */ - pci_read_config_dword(pci_gfx_root, 0xFC, &addr); - pci_dev_put(pci_gfx_root); - - dev_dbg(dev->dev, "drm platform config address is %x\n", addr); - - /* check for platform config address == 0. */ - /* this means fw doesn't support vbt */ - - if (addr == 0) { - vbt->size = 0; - return; - } - - /* get the virtual address of the vbt */ - vbt_virtual = ioremap(addr, sizeof(*vbt)); - - memcpy(vbt, vbt_virtual, sizeof(*vbt)); - iounmap(vbt_virtual); /* Free virtual address space */ - - dev_dbg(dev->dev, "GCT revision is %x\n", vbt->revision); - - switch (vbt->revision) { - case 0: - vbt->mrst_gct = ioremap(addr + sizeof(*vbt) - 4, - vbt->size - sizeof(*vbt) + 4); - pGCT = vbt->mrst_gct; - bpi = ((struct mrst_gct_v1 *)pGCT)->PD.BootPanelIndex; - dev_priv->gct_data.bpi = bpi; - dev_priv->gct_data.pt = - ((struct mrst_gct_v1 *)pGCT)->PD.PanelType; - memcpy(&dev_priv->gct_data.DTD, - &((struct mrst_gct_v1 *)pGCT)->panel[bpi].DTD, - sizeof(struct mrst_timing_info)); - dev_priv->gct_data.Panel_Port_Control = - ((struct mrst_gct_v1 *)pGCT)->panel[bpi].Panel_Port_Control; - dev_priv->gct_data.Panel_MIPI_Display_Descriptor = - ((struct mrst_gct_v1 *)pGCT)->panel[bpi].Panel_MIPI_Display_Descriptor; - break; - case 1: - vbt->mrst_gct = ioremap(addr + sizeof(*vbt) - 4, - vbt->size - sizeof(*vbt) + 4); - pGCT = vbt->mrst_gct; - bpi = ((struct mrst_gct_v2 *)pGCT)->PD.BootPanelIndex; - dev_priv->gct_data.bpi = bpi; - dev_priv->gct_data.pt = - ((struct mrst_gct_v2 *)pGCT)->PD.PanelType; - memcpy(&dev_priv->gct_data.DTD, - &((struct mrst_gct_v2 *)pGCT)->panel[bpi].DTD, - sizeof(struct mrst_timing_info)); - dev_priv->gct_data.Panel_Port_Control = - ((struct mrst_gct_v2 *)pGCT)->panel[bpi].Panel_Port_Control; - dev_priv->gct_data.Panel_MIPI_Display_Descriptor = - ((struct mrst_gct_v2 *)pGCT)->panel[bpi].Panel_MIPI_Display_Descriptor; - break; - case 0x10: - /*header definition changed from rev 01 (v2) to rev 10h. */ - /*so, some values have changed location*/ - new_size = vbt->checksum; /*checksum contains lo size byte*/ - /*LSB of mrst_gct contains hi size byte*/ - new_size |= ((0xff & (unsigned int)vbt->mrst_gct)) << 8; - - vbt->checksum = vbt->size; /*size contains the checksum*/ - if (new_size > 0xff) - vbt->size = 0xff; /*restrict size to 255*/ - else - vbt->size = new_size; - - /* number of descriptors defined in the GCT */ - number_desc = ((0xff00 & (unsigned int)vbt->mrst_gct)) >> 8; - bpi = ((0xff0000 & (unsigned int)vbt->mrst_gct)) >> 16; - vbt->mrst_gct = ioremap(addr + GCT_R10_HEADER_SIZE, - GCT_R10_DISPLAY_DESC_SIZE * number_desc); - pGCT = vbt->mrst_gct; - pGCT = (u8 *)pGCT + (bpi*GCT_R10_DISPLAY_DESC_SIZE); - dev_priv->gct_data.bpi = bpi; /*save boot panel id*/ - - /*copy the GCT display timings into a temp structure*/ - memcpy(&ti, pGCT, sizeof(struct gct_r10_timing_info)); - - /*now copy the temp struct into the dev_priv->gct_data*/ - dp_ti->pixel_clock = ti.pixel_clock; - dp_ti->hactive_hi = ti.hactive_hi; - dp_ti->hactive_lo = ti.hactive_lo; - dp_ti->hblank_hi = ti.hblank_hi; - dp_ti->hblank_lo = ti.hblank_lo; - dp_ti->hsync_offset_hi = ti.hsync_offset_hi; - dp_ti->hsync_offset_lo = ti.hsync_offset_lo; - dp_ti->hsync_pulse_width_hi = ti.hsync_pulse_width_hi; - dp_ti->hsync_pulse_width_lo = ti.hsync_pulse_width_lo; - dp_ti->vactive_hi = ti.vactive_hi; - dp_ti->vactive_lo = ti.vactive_lo; - dp_ti->vblank_hi = ti.vblank_hi; - dp_ti->vblank_lo = ti.vblank_lo; - dp_ti->vsync_offset_hi = ti.vsync_offset_hi; - dp_ti->vsync_offset_lo = ti.vsync_offset_lo; - dp_ti->vsync_pulse_width_hi = ti.vsync_pulse_width_hi; - dp_ti->vsync_pulse_width_lo = ti.vsync_pulse_width_lo; - - /* Move the MIPI_Display_Descriptor data from GCT to dev priv */ - dev_priv->gct_data.Panel_MIPI_Display_Descriptor = - *((u8 *)pGCT + 0x0d); - dev_priv->gct_data.Panel_MIPI_Display_Descriptor |= - (*((u8 *)pGCT + 0x0e)) << 8; - break; - default: - dev_err(dev->dev, "Unknown revision of GCT!\n"); - vbt->size = 0; - } - if (IS_MFLD(dev_priv->dev)) { - if (panel_id == GCT_DETECT) { - if (dev_priv->gct_data.bpi == 2) { - dev_info(dev->dev, "[GFX] PYR Panel Detected\n"); - dev_priv->panel_id = PYR_CMD; - panel_id = PYR_CMD; - } else if (dev_priv->gct_data.bpi == 0) { - dev_info(dev->dev, "[GFX] TMD Panel Detected.\n"); - dev_priv->panel_id = TMD_VID; - panel_id = TMD_VID; - } else { - dev_info(dev->dev, "[GFX] Default Panel (TPO)\n"); - dev_priv->panel_id = TPO_CMD; - panel_id = TPO_CMD; - } - } else { - dev_info(dev->dev, "[GFX] Panel Parameter Passed in through cmd line\n"); - dev_priv->panel_id = panel_id; - } - } -} - -int mid_chip_setup(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - mid_get_fuse_settings(dev); - mid_get_vbt_data(dev_priv); - mid_get_pci_revID(dev_priv); - return 0; -} diff --git a/drivers/staging/gma500/mid_bios.h b/drivers/staging/gma500/mid_bios.h deleted file mode 100644 index 00e7d564b7eb9c..00000000000000 --- a/drivers/staging/gma500/mid_bios.h +++ /dev/null @@ -1,21 +0,0 @@ -/************************************************************************** - * Copyright (c) 2011, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - **************************************************************************/ - -extern int mid_chip_setup(struct drm_device *dev); - diff --git a/drivers/staging/gma500/mmu.c b/drivers/staging/gma500/mmu.c deleted file mode 100644 index c904d73b1de3f9..00000000000000 --- a/drivers/staging/gma500/mmu.c +++ /dev/null @@ -1,858 +0,0 @@ -/************************************************************************** - * Copyright (c) 2007, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - **************************************************************************/ -#include <drm/drmP.h> -#include "psb_drv.h" -#include "psb_reg.h" - -/* - * Code for the SGX MMU: - */ - -/* - * clflush on one processor only: - * clflush should apparently flush the cache line on all processors in an - * SMP system. - */ - -/* - * kmap atomic: - * The usage of the slots must be completely encapsulated within a spinlock, and - * no other functions that may be using the locks for other purposed may be - * called from within the locked region. - * Since the slots are per processor, this will guarantee that we are the only - * user. - */ - -/* - * TODO: Inserting ptes from an interrupt handler: - * This may be desirable for some SGX functionality where the GPU can fault in - * needed pages. For that, we need to make an atomic insert_pages function, that - * may fail. - * If it fails, the caller need to insert the page using a workqueue function, - * but on average it should be fast. - */ - -struct psb_mmu_driver { - /* protects driver- and pd structures. Always take in read mode - * before taking the page table spinlock. - */ - struct rw_semaphore sem; - - /* protects page tables, directory tables and pt tables. - * and pt structures. - */ - spinlock_t lock; - - atomic_t needs_tlbflush; - - uint8_t __iomem *register_map; - struct psb_mmu_pd *default_pd; - /*uint32_t bif_ctrl;*/ - int has_clflush; - int clflush_add; - unsigned long clflush_mask; - - struct drm_psb_private *dev_priv; -}; - -struct psb_mmu_pd; - -struct psb_mmu_pt { - struct psb_mmu_pd *pd; - uint32_t index; - uint32_t count; - struct page *p; - uint32_t *v; -}; - -struct psb_mmu_pd { - struct psb_mmu_driver *driver; - int hw_context; - struct psb_mmu_pt **tables; - struct page *p; - struct page *dummy_pt; - struct page *dummy_page; - uint32_t pd_mask; - uint32_t invalid_pde; - uint32_t invalid_pte; -}; - -static inline uint32_t psb_mmu_pt_index(uint32_t offset) -{ - return (offset >> PSB_PTE_SHIFT) & 0x3FF; -} - -static inline uint32_t psb_mmu_pd_index(uint32_t offset) -{ - return offset >> PSB_PDE_SHIFT; -} - -static inline void psb_clflush(void *addr) -{ - __asm__ __volatile__("clflush (%0)\n" : : "r"(addr) : "memory"); -} - -static inline void psb_mmu_clflush(struct psb_mmu_driver *driver, - void *addr) -{ - if (!driver->has_clflush) - return; - - mb(); - psb_clflush(addr); - mb(); -} - -static void psb_page_clflush(struct psb_mmu_driver *driver, struct page* page) -{ - uint32_t clflush_add = driver->clflush_add >> PAGE_SHIFT; - uint32_t clflush_count = PAGE_SIZE / clflush_add; - int i; - uint8_t *clf; - - clf = kmap_atomic(page, KM_USER0); - mb(); - for (i = 0; i < clflush_count; ++i) { - psb_clflush(clf); - clf += clflush_add; - } - mb(); - kunmap_atomic(clf, KM_USER0); -} - -static void psb_pages_clflush(struct psb_mmu_driver *driver, - struct page *page[], unsigned long num_pages) -{ - int i; - - if (!driver->has_clflush) - return ; - - for (i = 0; i < num_pages; i++) - psb_page_clflush(driver, *page++); -} - -static void psb_mmu_flush_pd_locked(struct psb_mmu_driver *driver, - int force) -{ - atomic_set(&driver->needs_tlbflush, 0); -} - -static void psb_mmu_flush_pd(struct psb_mmu_driver *driver, int force) -{ - down_write(&driver->sem); - psb_mmu_flush_pd_locked(driver, force); - up_write(&driver->sem); -} - -void psb_mmu_flush(struct psb_mmu_driver *driver, int rc_prot) -{ - if (rc_prot) - down_write(&driver->sem); - if (rc_prot) - up_write(&driver->sem); -} - -void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context) -{ - /*ttm_tt_cache_flush(&pd->p, 1);*/ - psb_pages_clflush(pd->driver, &pd->p, 1); - down_write(&pd->driver->sem); - wmb(); - psb_mmu_flush_pd_locked(pd->driver, 1); - pd->hw_context = hw_context; - up_write(&pd->driver->sem); - -} - -static inline unsigned long psb_pd_addr_end(unsigned long addr, - unsigned long end) -{ - - addr = (addr + PSB_PDE_MASK + 1) & ~PSB_PDE_MASK; - return (addr < end) ? addr : end; -} - -static inline uint32_t psb_mmu_mask_pte(uint32_t pfn, int type) -{ - uint32_t mask = PSB_PTE_VALID; - - if (type & PSB_MMU_CACHED_MEMORY) - mask |= PSB_PTE_CACHED; - if (type & PSB_MMU_RO_MEMORY) - mask |= PSB_PTE_RO; - if (type & PSB_MMU_WO_MEMORY) - mask |= PSB_PTE_WO; - - return (pfn << PAGE_SHIFT) | mask; -} - -struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver, - int trap_pagefaults, int invalid_type) -{ - struct psb_mmu_pd *pd = kmalloc(sizeof(*pd), GFP_KERNEL); - uint32_t *v; - int i; - - if (!pd) - return NULL; - - pd->p = alloc_page(GFP_DMA32); - if (!pd->p) - goto out_err1; - pd->dummy_pt = alloc_page(GFP_DMA32); - if (!pd->dummy_pt) - goto out_err2; - pd->dummy_page = alloc_page(GFP_DMA32); - if (!pd->dummy_page) - goto out_err3; - - if (!trap_pagefaults) { - pd->invalid_pde = - psb_mmu_mask_pte(page_to_pfn(pd->dummy_pt), - invalid_type); - pd->invalid_pte = - psb_mmu_mask_pte(page_to_pfn(pd->dummy_page), - invalid_type); - } else { - pd->invalid_pde = 0; - pd->invalid_pte = 0; - } - - v = kmap(pd->dummy_pt); - for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i) - v[i] = pd->invalid_pte; - - kunmap(pd->dummy_pt); - - v = kmap(pd->p); - for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i) - v[i] = pd->invalid_pde; - - kunmap(pd->p); - - clear_page(kmap(pd->dummy_page)); - kunmap(pd->dummy_page); - - pd->tables = vmalloc_user(sizeof(struct psb_mmu_pt *) * 1024); - if (!pd->tables) - goto out_err4; - - pd->hw_context = -1; - pd->pd_mask = PSB_PTE_VALID; - pd->driver = driver; - - return pd; - -out_err4: - __free_page(pd->dummy_page); -out_err3: - __free_page(pd->dummy_pt); -out_err2: - __free_page(pd->p); -out_err1: - kfree(pd); - return NULL; -} - -void psb_mmu_free_pt(struct psb_mmu_pt *pt) -{ - __free_page(pt->p); - kfree(pt); -} - -void psb_mmu_free_pagedir(struct psb_mmu_pd *pd) -{ - struct psb_mmu_driver *driver = pd->driver; - struct psb_mmu_pt *pt; - int i; - - down_write(&driver->sem); - if (pd->hw_context != -1) - psb_mmu_flush_pd_locked(driver, 1); - - /* Should take the spinlock here, but we don't need to do that - since we have the semaphore in write mode. */ - - for (i = 0; i < 1024; ++i) { - pt = pd->tables[i]; - if (pt) - psb_mmu_free_pt(pt); - } - - vfree(pd->tables); - __free_page(pd->dummy_page); - __free_page(pd->dummy_pt); - __free_page(pd->p); - kfree(pd); - up_write(&driver->sem); -} - -static struct psb_mmu_pt *psb_mmu_alloc_pt(struct psb_mmu_pd *pd) -{ - struct psb_mmu_pt *pt = kmalloc(sizeof(*pt), GFP_KERNEL); - void *v; - uint32_t clflush_add = pd->driver->clflush_add >> PAGE_SHIFT; - uint32_t clflush_count = PAGE_SIZE / clflush_add; - spinlock_t *lock = &pd->driver->lock; - uint8_t *clf; - uint32_t *ptes; - int i; - - if (!pt) - return NULL; - - pt->p = alloc_page(GFP_DMA32); - if (!pt->p) { - kfree(pt); - return NULL; - } - - spin_lock(lock); - - v = kmap_atomic(pt->p, KM_USER0); - clf = (uint8_t *) v; - ptes = (uint32_t *) v; - for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i) - *ptes++ = pd->invalid_pte; - - - if (pd->driver->has_clflush && pd->hw_context != -1) { - mb(); - for (i = 0; i < clflush_count; ++i) { - psb_clflush(clf); - clf += clflush_add; - } - mb(); - } - - kunmap_atomic(v, KM_USER0); - spin_unlock(lock); - - pt->count = 0; - pt->pd = pd; - pt->index = 0; - - return pt; -} - -struct psb_mmu_pt *psb_mmu_pt_alloc_map_lock(struct psb_mmu_pd *pd, - unsigned long addr) -{ - uint32_t index = psb_mmu_pd_index(addr); - struct psb_mmu_pt *pt; - uint32_t *v; - spinlock_t *lock = &pd->driver->lock; - - spin_lock(lock); - pt = pd->tables[index]; - while (!pt) { - spin_unlock(lock); - pt = psb_mmu_alloc_pt(pd); - if (!pt) - return NULL; - spin_lock(lock); - - if (pd->tables[index]) { - spin_unlock(lock); - psb_mmu_free_pt(pt); - spin_lock(lock); - pt = pd->tables[index]; - continue; - } - - v = kmap_atomic(pd->p, KM_USER0); - pd->tables[index] = pt; - v[index] = (page_to_pfn(pt->p) << 12) | pd->pd_mask; - pt->index = index; - kunmap_atomic((void *) v, KM_USER0); - - if (pd->hw_context != -1) { - psb_mmu_clflush(pd->driver, (void *) &v[index]); - atomic_set(&pd->driver->needs_tlbflush, 1); - } - } - pt->v = kmap_atomic(pt->p, KM_USER0); - return pt; -} - -static struct psb_mmu_pt *psb_mmu_pt_map_lock(struct psb_mmu_pd *pd, - unsigned long addr) -{ - uint32_t index = psb_mmu_pd_index(addr); - struct psb_mmu_pt *pt; - spinlock_t *lock = &pd->driver->lock; - - spin_lock(lock); - pt = pd->tables[index]; - if (!pt) { - spin_unlock(lock); - return NULL; - } - pt->v = kmap_atomic(pt->p, KM_USER0); - return pt; -} - -static void psb_mmu_pt_unmap_unlock(struct psb_mmu_pt *pt) -{ - struct psb_mmu_pd *pd = pt->pd; - uint32_t *v; - - kunmap_atomic(pt->v, KM_USER0); - if (pt->count == 0) { - v = kmap_atomic(pd->p, KM_USER0); - v[pt->index] = pd->invalid_pde; - pd->tables[pt->index] = NULL; - - if (pd->hw_context != -1) { - psb_mmu_clflush(pd->driver, - (void *) &v[pt->index]); - atomic_set(&pd->driver->needs_tlbflush, 1); - } - kunmap_atomic(pt->v, KM_USER0); - spin_unlock(&pd->driver->lock); - psb_mmu_free_pt(pt); - return; - } - spin_unlock(&pd->driver->lock); -} - -static inline void psb_mmu_set_pte(struct psb_mmu_pt *pt, - unsigned long addr, uint32_t pte) -{ - pt->v[psb_mmu_pt_index(addr)] = pte; -} - -static inline void psb_mmu_invalidate_pte(struct psb_mmu_pt *pt, - unsigned long addr) -{ - pt->v[psb_mmu_pt_index(addr)] = pt->pd->invalid_pte; -} - - -void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd, - uint32_t mmu_offset, uint32_t gtt_start, - uint32_t gtt_pages) -{ - uint32_t *v; - uint32_t start = psb_mmu_pd_index(mmu_offset); - struct psb_mmu_driver *driver = pd->driver; - int num_pages = gtt_pages; - - down_read(&driver->sem); - spin_lock(&driver->lock); - - v = kmap_atomic(pd->p, KM_USER0); - v += start; - - while (gtt_pages--) { - *v++ = gtt_start | pd->pd_mask; - gtt_start += PAGE_SIZE; - } - - /*ttm_tt_cache_flush(&pd->p, num_pages);*/ - psb_pages_clflush(pd->driver, &pd->p, num_pages); - kunmap_atomic(v, KM_USER0); - spin_unlock(&driver->lock); - - if (pd->hw_context != -1) - atomic_set(&pd->driver->needs_tlbflush, 1); - - up_read(&pd->driver->sem); - psb_mmu_flush_pd(pd->driver, 0); -} - -struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver *driver) -{ - struct psb_mmu_pd *pd; - - /* down_read(&driver->sem); */ - pd = driver->default_pd; - /* up_read(&driver->sem); */ - - return pd; -} - -/* Returns the physical address of the PD shared by sgx/msvdx */ -uint32_t psb_get_default_pd_addr(struct psb_mmu_driver *driver) -{ - struct psb_mmu_pd *pd; - - pd = psb_mmu_get_default_pd(driver); - return page_to_pfn(pd->p) << PAGE_SHIFT; -} - -void psb_mmu_driver_takedown(struct psb_mmu_driver *driver) -{ - psb_mmu_free_pagedir(driver->default_pd); - kfree(driver); -} - -struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers, - int trap_pagefaults, - int invalid_type, - struct drm_psb_private *dev_priv) -{ - struct psb_mmu_driver *driver; - - driver = kmalloc(sizeof(*driver), GFP_KERNEL); - - if (!driver) - return NULL; - driver->dev_priv = dev_priv; - - driver->default_pd = psb_mmu_alloc_pd(driver, trap_pagefaults, - invalid_type); - if (!driver->default_pd) - goto out_err1; - - spin_lock_init(&driver->lock); - init_rwsem(&driver->sem); - down_write(&driver->sem); - driver->register_map = registers; - atomic_set(&driver->needs_tlbflush, 1); - - driver->has_clflush = 0; - - if (boot_cpu_has(X86_FEATURE_CLFLSH)) { - uint32_t tfms, misc, cap0, cap4, clflush_size; - - /* - * clflush size is determined at kernel setup for x86_64 - * but not for i386. We have to do it here. - */ - - cpuid(0x00000001, &tfms, &misc, &cap0, &cap4); - clflush_size = ((misc >> 8) & 0xff) * 8; - driver->has_clflush = 1; - driver->clflush_add = - PAGE_SIZE * clflush_size / sizeof(uint32_t); - driver->clflush_mask = driver->clflush_add - 1; - driver->clflush_mask = ~driver->clflush_mask; - } - - up_write(&driver->sem); - return driver; - -out_err1: - kfree(driver); - return NULL; -} - -static void psb_mmu_flush_ptes(struct psb_mmu_pd *pd, - unsigned long address, uint32_t num_pages, - uint32_t desired_tile_stride, - uint32_t hw_tile_stride) -{ - struct psb_mmu_pt *pt; - uint32_t rows = 1; - uint32_t i; - unsigned long addr; - unsigned long end; - unsigned long next; - unsigned long add; - unsigned long row_add; - unsigned long clflush_add = pd->driver->clflush_add; - unsigned long clflush_mask = pd->driver->clflush_mask; - - if (!pd->driver->has_clflush) { - /*ttm_tt_cache_flush(&pd->p, num_pages);*/ - psb_pages_clflush(pd->driver, &pd->p, num_pages); - return; - } - - if (hw_tile_stride) - rows = num_pages / desired_tile_stride; - else - desired_tile_stride = num_pages; - - add = desired_tile_stride << PAGE_SHIFT; - row_add = hw_tile_stride << PAGE_SHIFT; - mb(); - for (i = 0; i < rows; ++i) { - - addr = address; - end = addr + add; - - do { - next = psb_pd_addr_end(addr, end); - pt = psb_mmu_pt_map_lock(pd, addr); - if (!pt) - continue; - do { - psb_clflush(&pt->v - [psb_mmu_pt_index(addr)]); - } while (addr += - clflush_add, - (addr & clflush_mask) < next); - - psb_mmu_pt_unmap_unlock(pt); - } while (addr = next, next != end); - address += row_add; - } - mb(); -} - -void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd, - unsigned long address, uint32_t num_pages) -{ - struct psb_mmu_pt *pt; - unsigned long addr; - unsigned long end; - unsigned long next; - unsigned long f_address = address; - - down_read(&pd->driver->sem); - - addr = address; - end = addr + (num_pages << PAGE_SHIFT); - - do { - next = psb_pd_addr_end(addr, end); - pt = psb_mmu_pt_alloc_map_lock(pd, addr); - if (!pt) - goto out; - do { - psb_mmu_invalidate_pte(pt, addr); - --pt->count; - } while (addr += PAGE_SIZE, addr < next); - psb_mmu_pt_unmap_unlock(pt); - - } while (addr = next, next != end); - -out: - if (pd->hw_context != -1) - psb_mmu_flush_ptes(pd, f_address, num_pages, 1, 1); - - up_read(&pd->driver->sem); - - if (pd->hw_context != -1) - psb_mmu_flush(pd->driver, 0); - - return; -} - -void psb_mmu_remove_pages(struct psb_mmu_pd *pd, unsigned long address, - uint32_t num_pages, uint32_t desired_tile_stride, - uint32_t hw_tile_stride) -{ - struct psb_mmu_pt *pt; - uint32_t rows = 1; - uint32_t i; - unsigned long addr; - unsigned long end; - unsigned long next; - unsigned long add; - unsigned long row_add; - unsigned long f_address = address; - - if (hw_tile_stride) - rows = num_pages / desired_tile_stride; - else - desired_tile_stride = num_pages; - - add = desired_tile_stride << PAGE_SHIFT; - row_add = hw_tile_stride << PAGE_SHIFT; - - /* down_read(&pd->driver->sem); */ - - /* Make sure we only need to flush this processor's cache */ - - for (i = 0; i < rows; ++i) { - - addr = address; - end = addr + add; - - do { - next = psb_pd_addr_end(addr, end); - pt = psb_mmu_pt_map_lock(pd, addr); - if (!pt) - continue; - do { - psb_mmu_invalidate_pte(pt, addr); - --pt->count; - - } while (addr += PAGE_SIZE, addr < next); - psb_mmu_pt_unmap_unlock(pt); - - } while (addr = next, next != end); - address += row_add; - } - if (pd->hw_context != -1) - psb_mmu_flush_ptes(pd, f_address, num_pages, - desired_tile_stride, hw_tile_stride); - - /* up_read(&pd->driver->sem); */ - - if (pd->hw_context != -1) - psb_mmu_flush(pd->driver, 0); -} - -int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd, uint32_t start_pfn, - unsigned long address, uint32_t num_pages, - int type) -{ - struct psb_mmu_pt *pt; - uint32_t pte; - unsigned long addr; - unsigned long end; - unsigned long next; - unsigned long f_address = address; - int ret = 0; - - down_read(&pd->driver->sem); - - addr = address; - end = addr + (num_pages << PAGE_SHIFT); - - do { - next = psb_pd_addr_end(addr, end); - pt = psb_mmu_pt_alloc_map_lock(pd, addr); - if (!pt) { - ret = -ENOMEM; - goto out; - } - do { - pte = psb_mmu_mask_pte(start_pfn++, type); - psb_mmu_set_pte(pt, addr, pte); - pt->count++; - } while (addr += PAGE_SIZE, addr < next); - psb_mmu_pt_unmap_unlock(pt); - - } while (addr = next, next != end); - -out: - if (pd->hw_context != -1) - psb_mmu_flush_ptes(pd, f_address, num_pages, 1, 1); - - up_read(&pd->driver->sem); - - if (pd->hw_context != -1) - psb_mmu_flush(pd->driver, 1); - - return ret; -} - -int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages, - unsigned long address, uint32_t num_pages, - uint32_t desired_tile_stride, - uint32_t hw_tile_stride, int type) -{ - struct psb_mmu_pt *pt; - uint32_t rows = 1; - uint32_t i; - uint32_t pte; - unsigned long addr; - unsigned long end; - unsigned long next; - unsigned long add; - unsigned long row_add; - unsigned long f_address = address; - int ret = 0; - - if (hw_tile_stride) { - if (num_pages % desired_tile_stride != 0) - return -EINVAL; - rows = num_pages / desired_tile_stride; - } else { - desired_tile_stride = num_pages; - } - - add = desired_tile_stride << PAGE_SHIFT; - row_add = hw_tile_stride << PAGE_SHIFT; - - down_read(&pd->driver->sem); - - for (i = 0; i < rows; ++i) { - - addr = address; - end = addr + add; - - do { - next = psb_pd_addr_end(addr, end); - pt = psb_mmu_pt_alloc_map_lock(pd, addr); - if (!pt) { - ret = -ENOMEM; - goto out; - } - do { - pte = - psb_mmu_mask_pte(page_to_pfn(*pages++), - type); - psb_mmu_set_pte(pt, addr, pte); - pt->count++; - } while (addr += PAGE_SIZE, addr < next); - psb_mmu_pt_unmap_unlock(pt); - - } while (addr = next, next != end); - - address += row_add; - } -out: - if (pd->hw_context != -1) - psb_mmu_flush_ptes(pd, f_address, num_pages, - desired_tile_stride, hw_tile_stride); - - up_read(&pd->driver->sem); - - if (pd->hw_context != -1) - psb_mmu_flush(pd->driver, 1); - - return ret; -} - -int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual, - unsigned long *pfn) -{ - int ret; - struct psb_mmu_pt *pt; - uint32_t tmp; - spinlock_t *lock = &pd->driver->lock; - - down_read(&pd->driver->sem); - pt = psb_mmu_pt_map_lock(pd, virtual); - if (!pt) { - uint32_t *v; - - spin_lock(lock); - v = kmap_atomic(pd->p, KM_USER0); - tmp = v[psb_mmu_pd_index(virtual)]; - kunmap_atomic(v, KM_USER0); - spin_unlock(lock); - - if (tmp != pd->invalid_pde || !(tmp & PSB_PTE_VALID) || - !(pd->invalid_pte & PSB_PTE_VALID)) { - ret = -EINVAL; - goto out; - } - ret = 0; - *pfn = pd->invalid_pte >> PAGE_SHIFT; - goto out; - } - tmp = pt->v[psb_mmu_pt_index(virtual)]; - if (!(tmp & PSB_PTE_VALID)) { - ret = -EINVAL; - } else { - ret = 0; - *pfn = tmp >> PAGE_SHIFT; - } - psb_mmu_pt_unmap_unlock(pt); -out: - up_read(&pd->driver->sem); - return ret; -} diff --git a/drivers/staging/gma500/mrst.h b/drivers/staging/gma500/mrst.h deleted file mode 100644 index b563dbc7310417..00000000000000 --- a/drivers/staging/gma500/mrst.h +++ /dev/null @@ -1,252 +0,0 @@ -/************************************************************************** - * Copyright (c) 2007-2011, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - **************************************************************************/ - -/* MID device specific descriptors */ - -struct mrst_vbt { - s8 signature[4]; /*4 bytes,"$GCT" */ - u8 revision; - u8 size; - u8 checksum; - void *mrst_gct; -} __packed; - -struct mrst_timing_info { - u16 pixel_clock; - u8 hactive_lo; - u8 hblank_lo; - u8 hblank_hi:4; - u8 hactive_hi:4; - u8 vactive_lo; - u8 vblank_lo; - u8 vblank_hi:4; - u8 vactive_hi:4; - u8 hsync_offset_lo; - u8 hsync_pulse_width_lo; - u8 vsync_pulse_width_lo:4; - u8 vsync_offset_lo:4; - u8 vsync_pulse_width_hi:2; - u8 vsync_offset_hi:2; - u8 hsync_pulse_width_hi:2; - u8 hsync_offset_hi:2; - u8 width_mm_lo; - u8 height_mm_lo; - u8 height_mm_hi:4; - u8 width_mm_hi:4; - u8 hborder; - u8 vborder; - u8 unknown0:1; - u8 hsync_positive:1; - u8 vsync_positive:1; - u8 separate_sync:2; - u8 stereo:1; - u8 unknown6:1; - u8 interlaced:1; -} __packed; - -struct gct_r10_timing_info { - u16 pixel_clock; - u32 hactive_lo:8; - u32 hactive_hi:4; - u32 hblank_lo:8; - u32 hblank_hi:4; - u32 hsync_offset_lo:8; - u16 hsync_offset_hi:2; - u16 hsync_pulse_width_lo:8; - u16 hsync_pulse_width_hi:2; - u16 hsync_positive:1; - u16 rsvd_1:3; - u8 vactive_lo:8; - u16 vactive_hi:4; - u16 vblank_lo:8; - u16 vblank_hi:4; - u16 vsync_offset_lo:4; - u16 vsync_offset_hi:2; - u16 vsync_pulse_width_lo:4; - u16 vsync_pulse_width_hi:2; - u16 vsync_positive:1; - u16 rsvd_2:3; -} __packed; - -struct mrst_panel_descriptor_v1 { - u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */ - /* 0x61190 if MIPI */ - u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/ - u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/ - u32 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 dword */ - /* Register 0x61210 */ - struct mrst_timing_info DTD;/*18 bytes, Standard definition */ - u16 Panel_Backlight_Inverter_Descriptor;/* 16 bits, as follows */ - /* Bit 0, Frequency, 15 bits,0 - 32767Hz */ - /* Bit 15, Polarity, 1 bit, 0: Normal, 1: Inverted */ - u16 Panel_MIPI_Display_Descriptor; - /*16 bits, Defined as follows: */ - /* if MIPI, 0x0000 if LVDS */ - /* Bit 0, Type, 2 bits, */ - /* 0: Type-1, */ - /* 1: Type-2, */ - /* 2: Type-3, */ - /* 3: Type-4 */ - /* Bit 2, Pixel Format, 4 bits */ - /* Bit0: 16bpp (not supported in LNC), */ - /* Bit1: 18bpp loosely packed, */ - /* Bit2: 18bpp packed, */ - /* Bit3: 24bpp */ - /* Bit 6, Reserved, 2 bits, 00b */ - /* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */ - /* Bit 14, Reserved, 2 bits, 00b */ -} __packed; - -struct mrst_panel_descriptor_v2 { - u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */ - /* 0x61190 if MIPI */ - u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/ - u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/ - u8 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 byte */ - /* Register 0x61210 */ - struct mrst_timing_info DTD;/*18 bytes, Standard definition */ - u16 Panel_Backlight_Inverter_Descriptor;/*16 bits, as follows*/ - /*Bit 0, Frequency, 16 bits, 0 - 32767Hz*/ - u8 Panel_Initial_Brightness;/* [7:0] 0 - 100% */ - /*Bit 7, Polarity, 1 bit,0: Normal, 1: Inverted*/ - u16 Panel_MIPI_Display_Descriptor; - /*16 bits, Defined as follows: */ - /* if MIPI, 0x0000 if LVDS */ - /* Bit 0, Type, 2 bits, */ - /* 0: Type-1, */ - /* 1: Type-2, */ - /* 2: Type-3, */ - /* 3: Type-4 */ - /* Bit 2, Pixel Format, 4 bits */ - /* Bit0: 16bpp (not supported in LNC), */ - /* Bit1: 18bpp loosely packed, */ - /* Bit2: 18bpp packed, */ - /* Bit3: 24bpp */ - /* Bit 6, Reserved, 2 bits, 00b */ - /* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */ - /* Bit 14, Reserved, 2 bits, 00b */ -} __packed; - -union mrst_panel_rx { - struct { - u16 NumberOfLanes:2; /*Num of Lanes, 2 bits,0 = 1 lane,*/ - /* 1 = 2 lanes, 2 = 3 lanes, 3 = 4 lanes. */ - u16 MaxLaneFreq:3; /* 0: 100MHz, 1: 200MHz, 2: 300MHz, */ - /*3: 400MHz, 4: 500MHz, 5: 600MHz, 6: 700MHz, 7: 800MHz.*/ - u16 SupportedVideoTransferMode:2; /*0: Non-burst only */ - /* 1: Burst and non-burst */ - /* 2/3: Reserved */ - u16 HSClkBehavior:1; /*0: Continuous, 1: Non-continuous*/ - u16 DuoDisplaySupport:1; /*1 bit,0: No, 1: Yes*/ - u16 ECC_ChecksumCapabilities:1;/*1 bit,0: No, 1: Yes*/ - u16 BidirectionalCommunication:1;/*1 bit,0: No, 1: Yes */ - u16 Rsvd:5;/*5 bits,00000b */ - } panelrx; - u16 panel_receiver; -} __packed; - -struct mrst_gct_v1 { - union { /*8 bits,Defined as follows: */ - struct { - u8 PanelType:4; /*4 bits, Bit field for panels*/ - /* 0 - 3: 0 = LVDS, 1 = MIPI*/ - /*2 bits,Specifies which of the*/ - u8 BootPanelIndex:2; - /* 4 panels to use by default*/ - u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/ - /* the 4 MIPI DSI receivers to use*/ - } PD; - u8 PanelDescriptor; - }; - struct mrst_panel_descriptor_v1 panel[4];/*panel descrs,38 bytes each*/ - union mrst_panel_rx panelrx[4]; /* panel receivers*/ -} __packed; - -struct mrst_gct_v2 { - union { /*8 bits,Defined as follows: */ - struct { - u8 PanelType:4; /*4 bits, Bit field for panels*/ - /* 0 - 3: 0 = LVDS, 1 = MIPI*/ - /*2 bits,Specifies which of the*/ - u8 BootPanelIndex:2; - /* 4 panels to use by default*/ - u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/ - /* the 4 MIPI DSI receivers to use*/ - } PD; - u8 PanelDescriptor; - }; - struct mrst_panel_descriptor_v2 panel[4];/*panel descrs,38 bytes each*/ - union mrst_panel_rx panelrx[4]; /* panel receivers*/ -} __packed; - -struct mrst_gct_data { - u8 bpi; /* boot panel index, number of panel used during boot */ - u8 pt; /* panel type, 4 bit field, 0=lvds, 1=mipi */ - struct mrst_timing_info DTD; /* timing info for the selected panel */ - u32 Panel_Port_Control; - u32 PP_On_Sequencing;/*1 dword,Register 0x61208,*/ - u32 PP_Off_Sequencing;/*1 dword,Register 0x6120C,*/ - u32 PP_Cycle_Delay; - u16 Panel_Backlight_Inverter_Descriptor; - u16 Panel_MIPI_Display_Descriptor; -} __packed; - -#define MODE_SETTING_IN_CRTC 0x1 -#define MODE_SETTING_IN_ENCODER 0x2 -#define MODE_SETTING_ON_GOING 0x3 -#define MODE_SETTING_IN_DSR 0x4 -#define MODE_SETTING_ENCODER_DONE 0x8 - -#define GCT_R10_HEADER_SIZE 16 -#define GCT_R10_DISPLAY_DESC_SIZE 28 - -/* - * Moorestown HDMI interfaces - */ - -struct mrst_hdmi_dev { - struct pci_dev *dev; - void __iomem *regs; - unsigned int mmio, mmio_len; - int dpms_mode; - struct hdmi_i2c_dev *i2c_dev; - - /* register state */ - u32 saveDPLL_CTRL; - u32 saveDPLL_DIV_CTRL; - u32 saveDPLL_ADJUST; - u32 saveDPLL_UPDATE; - u32 saveDPLL_CLK_ENABLE; - u32 savePCH_HTOTAL_B; - u32 savePCH_HBLANK_B; - u32 savePCH_HSYNC_B; - u32 savePCH_VTOTAL_B; - u32 savePCH_VBLANK_B; - u32 savePCH_VSYNC_B; - u32 savePCH_PIPEBCONF; - u32 savePCH_PIPEBSRC; -}; - -extern void mrst_hdmi_setup(struct drm_device *dev); -extern void mrst_hdmi_teardown(struct drm_device *dev); -extern int mrst_hdmi_i2c_init(struct pci_dev *dev); -extern void mrst_hdmi_i2c_exit(struct pci_dev *dev); -extern void mrst_hdmi_save(struct drm_device *dev); -extern void mrst_hdmi_restore(struct drm_device *dev); -extern void mrst_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev); diff --git a/drivers/staging/gma500/mrst_crtc.c b/drivers/staging/gma500/mrst_crtc.c deleted file mode 100644 index 980837e37d80e2..00000000000000 --- a/drivers/staging/gma500/mrst_crtc.c +++ /dev/null @@ -1,604 +0,0 @@ -/* - * Copyright © 2009 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <linux/i2c.h> -#include <linux/pm_runtime.h> - -#include <drm/drmP.h> -#include "framebuffer.h" -#include "psb_drv.h" -#include "psb_intel_drv.h" -#include "psb_intel_reg.h" -#include "psb_intel_display.h" -#include "power.h" - -struct psb_intel_range_t { - int min, max; -}; - -struct mrst_limit_t { - struct psb_intel_range_t dot, m, p1; -}; - -struct mrst_clock_t { - /* derived values */ - int dot; - int m; - int p1; -}; - -#define MRST_LIMIT_LVDS_100L 0 -#define MRST_LIMIT_LVDS_83 1 -#define MRST_LIMIT_LVDS_100 2 - -#define MRST_DOT_MIN 19750 -#define MRST_DOT_MAX 120000 -#define MRST_M_MIN_100L 20 -#define MRST_M_MIN_100 10 -#define MRST_M_MIN_83 12 -#define MRST_M_MAX_100L 34 -#define MRST_M_MAX_100 17 -#define MRST_M_MAX_83 20 -#define MRST_P1_MIN 2 -#define MRST_P1_MAX_0 7 -#define MRST_P1_MAX_1 8 - -static const struct mrst_limit_t mrst_limits[] = { - { /* MRST_LIMIT_LVDS_100L */ - .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX}, - .m = {.min = MRST_M_MIN_100L, .max = MRST_M_MAX_100L}, - .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_1}, - }, - { /* MRST_LIMIT_LVDS_83L */ - .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX}, - .m = {.min = MRST_M_MIN_83, .max = MRST_M_MAX_83}, - .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_0}, - }, - { /* MRST_LIMIT_LVDS_100 */ - .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX}, - .m = {.min = MRST_M_MIN_100, .max = MRST_M_MAX_100}, - .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_1}, - }, -}; - -#define MRST_M_MIN 10 -static const u32 mrst_m_converts[] = { - 0x2B, 0x15, 0x2A, 0x35, 0x1A, 0x0D, 0x26, 0x33, 0x19, 0x2C, - 0x36, 0x3B, 0x1D, 0x2E, 0x37, 0x1B, 0x2D, 0x16, 0x0B, 0x25, - 0x12, 0x09, 0x24, 0x32, 0x39, 0x1c, -}; - -static const struct mrst_limit_t *mrst_limit(struct drm_crtc *crtc) -{ - const struct mrst_limit_t *limit = NULL; - struct drm_device *dev = crtc->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - - if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) - || psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI)) { - switch (dev_priv->core_freq) { - case 100: - limit = &mrst_limits[MRST_LIMIT_LVDS_100L]; - break; - case 166: - limit = &mrst_limits[MRST_LIMIT_LVDS_83]; - break; - case 200: - limit = &mrst_limits[MRST_LIMIT_LVDS_100]; - break; - } - } else { - limit = NULL; - dev_err(dev->dev, "mrst_limit Wrong display type.\n"); - } - - return limit; -} - -/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */ -static void mrst_clock(int refclk, struct mrst_clock_t *clock) -{ - clock->dot = (refclk * clock->m) / (14 * clock->p1); -} - -void mrstPrintPll(char *prefix, struct mrst_clock_t *clock) -{ - pr_debug("%s: dotclock = %d, m = %d, p1 = %d.\n", - prefix, clock->dot, clock->m, clock->p1); -} - -/** - * Returns a set of divisors for the desired target clock with the given refclk, - * or FALSE. Divisor values are the actual divisors for - */ -static bool -mrstFindBestPLL(struct drm_crtc *crtc, int target, int refclk, - struct mrst_clock_t *best_clock) -{ - struct mrst_clock_t clock; - const struct mrst_limit_t *limit = mrst_limit(crtc); - int err = target; - - memset(best_clock, 0, sizeof(*best_clock)); - - for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) { - for (clock.p1 = limit->p1.min; clock.p1 <= limit->p1.max; - clock.p1++) { - int this_err; - - mrst_clock(refclk, &clock); - - this_err = abs(clock.dot - target); - if (this_err < err) { - *best_clock = clock; - err = this_err; - } - } - } - dev_dbg(crtc->dev->dev, "mrstFindBestPLL err = %d.\n", err); - return err != target; -} - -/** - * Sets the power management mode of the pipe and plane. - * - * This code should probably grow support for turning the cursor off and back - * on appropriately at the same time as we're turning the pipe off/on. - */ -static void mrst_crtc_dpms(struct drm_crtc *crtc, int mode) -{ - struct drm_device *dev = crtc->dev; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - int dpll_reg = (pipe == 0) ? MRST_DPLL_A : DPLL_B; - int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; - int dspbase_reg = (pipe == 0) ? MRST_DSPABASE : DSPBBASE; - int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF; - u32 temp; - bool enabled; - - if (!gma_power_begin(dev, true)) - return; - - /* XXX: When our outputs are all unaware of DPMS modes other than off - * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC. - */ - switch (mode) { - case DRM_MODE_DPMS_ON: - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - /* Enable the DPLL */ - temp = REG_READ(dpll_reg); - if ((temp & DPLL_VCO_ENABLE) == 0) { - REG_WRITE(dpll_reg, temp); - REG_READ(dpll_reg); - /* Wait for the clocks to stabilize. */ - udelay(150); - REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE); - REG_READ(dpll_reg); - /* Wait for the clocks to stabilize. */ - udelay(150); - REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE); - REG_READ(dpll_reg); - /* Wait for the clocks to stabilize. */ - udelay(150); - } - /* Enable the pipe */ - temp = REG_READ(pipeconf_reg); - if ((temp & PIPEACONF_ENABLE) == 0) - REG_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE); - /* Enable the plane */ - temp = REG_READ(dspcntr_reg); - if ((temp & DISPLAY_PLANE_ENABLE) == 0) { - REG_WRITE(dspcntr_reg, - temp | DISPLAY_PLANE_ENABLE); - /* Flush the plane changes */ - REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); - } - - psb_intel_crtc_load_lut(crtc); - - /* Give the overlay scaler a chance to enable - if it's on this pipe */ - /* psb_intel_crtc_dpms_video(crtc, true); TODO */ - break; - case DRM_MODE_DPMS_OFF: - /* Give the overlay scaler a chance to disable - * if it's on this pipe */ - /* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */ - - /* Disable the VGA plane that we never use */ - REG_WRITE(VGACNTRL, VGA_DISP_DISABLE); - /* Disable display plane */ - temp = REG_READ(dspcntr_reg); - if ((temp & DISPLAY_PLANE_ENABLE) != 0) { - REG_WRITE(dspcntr_reg, - temp & ~DISPLAY_PLANE_ENABLE); - /* Flush the plane changes */ - REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); - REG_READ(dspbase_reg); - } - - /* Next, disable display pipes */ - temp = REG_READ(pipeconf_reg); - if ((temp & PIPEACONF_ENABLE) != 0) { - REG_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE); - REG_READ(pipeconf_reg); - } - /* Wait for for the pipe disable to take effect. */ - psb_intel_wait_for_vblank(dev); - - temp = REG_READ(dpll_reg); - if ((temp & DPLL_VCO_ENABLE) != 0) { - REG_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE); - REG_READ(dpll_reg); - } - - /* Wait for the clocks to turn off. */ - udelay(150); - break; - } - - enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF; - - /*Set FIFO Watermarks*/ - REG_WRITE(DSPARB, 0x3FFF); - REG_WRITE(DSPFW1, 0x3F88080A); - REG_WRITE(DSPFW2, 0x0b060808); - REG_WRITE(DSPFW3, 0x0); - REG_WRITE(DSPFW4, 0x08030404); - REG_WRITE(DSPFW5, 0x04040404); - REG_WRITE(DSPFW6, 0x78); - REG_WRITE(0x70400, REG_READ(0x70400) | 0x4000); - /* Must write Bit 14 of the Chicken Bit Register */ - - gma_power_end(dev); -} - -/** - * Return the pipe currently connected to the panel fitter, - * or -1 if the panel fitter is not present or not in use - */ -static int mrst_panel_fitter_pipe(struct drm_device *dev) -{ - u32 pfit_control; - - pfit_control = REG_READ(PFIT_CONTROL); - - /* See if the panel fitter is in use */ - if ((pfit_control & PFIT_ENABLE) == 0) - return -1; - return (pfit_control >> 29) & 3; -} - -static int mrst_crtc_mode_set(struct drm_crtc *crtc, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode, - int x, int y, - struct drm_framebuffer *old_fb) -{ - struct drm_device *dev = crtc->dev; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct drm_psb_private *dev_priv = dev->dev_private; - int pipe = psb_intel_crtc->pipe; - int fp_reg = (pipe == 0) ? MRST_FPA0 : FPB0; - int dpll_reg = (pipe == 0) ? MRST_DPLL_A : DPLL_B; - int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; - int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF; - int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B; - int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B; - int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B; - int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B; - int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B; - int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B; - int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC; - int refclk = 0; - struct mrst_clock_t clock; - u32 dpll = 0, fp = 0, dspcntr, pipeconf; - bool ok, is_sdvo = false; - bool is_crt = false, is_lvds = false, is_tv = false; - bool is_mipi = false; - struct drm_mode_config *mode_config = &dev->mode_config; - struct psb_intel_output *psb_intel_output = NULL; - uint64_t scalingType = DRM_MODE_SCALE_FULLSCREEN; - struct drm_encoder *encoder; - - if (!gma_power_begin(dev, true)) - return 0; - - memcpy(&psb_intel_crtc->saved_mode, - mode, - sizeof(struct drm_display_mode)); - memcpy(&psb_intel_crtc->saved_adjusted_mode, - adjusted_mode, - sizeof(struct drm_display_mode)); - - list_for_each_entry(encoder, &mode_config->encoder_list, head) { - - if (encoder->crtc != crtc) - continue; - - psb_intel_output = enc_to_psb_intel_output(encoder); - switch (psb_intel_output->type) { - case INTEL_OUTPUT_LVDS: - is_lvds = true; - break; - case INTEL_OUTPUT_SDVO: - is_sdvo = true; - break; - case INTEL_OUTPUT_TVOUT: - is_tv = true; - break; - case INTEL_OUTPUT_ANALOG: - is_crt = true; - break; - case INTEL_OUTPUT_MIPI: - is_mipi = true; - break; - } - } - - /* Disable the VGA plane that we never use */ - REG_WRITE(VGACNTRL, VGA_DISP_DISABLE); - - /* Disable the panel fitter if it was on our pipe */ - if (mrst_panel_fitter_pipe(dev) == pipe) - REG_WRITE(PFIT_CONTROL, 0); - - REG_WRITE(pipesrc_reg, - ((mode->crtc_hdisplay - 1) << 16) | - (mode->crtc_vdisplay - 1)); - - if (psb_intel_output) - drm_connector_property_get_value(&psb_intel_output->base, - dev->mode_config.scaling_mode_property, &scalingType); - - if (scalingType == DRM_MODE_SCALE_NO_SCALE) { - /* Moorestown doesn't have register support for centering so - * we need to mess with the h/vblank and h/vsync start and - * ends to get centering */ - int offsetX = 0, offsetY = 0; - - offsetX = (adjusted_mode->crtc_hdisplay - - mode->crtc_hdisplay) / 2; - offsetY = (adjusted_mode->crtc_vdisplay - - mode->crtc_vdisplay) / 2; - - REG_WRITE(htot_reg, (mode->crtc_hdisplay - 1) | - ((adjusted_mode->crtc_htotal - 1) << 16)); - REG_WRITE(vtot_reg, (mode->crtc_vdisplay - 1) | - ((adjusted_mode->crtc_vtotal - 1) << 16)); - REG_WRITE(hblank_reg, - (adjusted_mode->crtc_hblank_start - offsetX - 1) | - ((adjusted_mode->crtc_hblank_end - offsetX - 1) << 16)); - REG_WRITE(hsync_reg, - (adjusted_mode->crtc_hsync_start - offsetX - 1) | - ((adjusted_mode->crtc_hsync_end - offsetX - 1) << 16)); - REG_WRITE(vblank_reg, - (adjusted_mode->crtc_vblank_start - offsetY - 1) | - ((adjusted_mode->crtc_vblank_end - offsetY - 1) << 16)); - REG_WRITE(vsync_reg, - (adjusted_mode->crtc_vsync_start - offsetY - 1) | - ((adjusted_mode->crtc_vsync_end - offsetY - 1) << 16)); - } else { - REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) | - ((adjusted_mode->crtc_htotal - 1) << 16)); - REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) | - ((adjusted_mode->crtc_vtotal - 1) << 16)); - REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) | - ((adjusted_mode->crtc_hblank_end - 1) << 16)); - REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) | - ((adjusted_mode->crtc_hsync_end - 1) << 16)); - REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) | - ((adjusted_mode->crtc_vblank_end - 1) << 16)); - REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) | - ((adjusted_mode->crtc_vsync_end - 1) << 16)); - } - - /* Flush the plane changes */ - { - struct drm_crtc_helper_funcs *crtc_funcs = - crtc->helper_private; - crtc_funcs->mode_set_base(crtc, x, y, old_fb); - } - - /* setup pipeconf */ - pipeconf = REG_READ(pipeconf_reg); - - /* Set up the display plane register */ - dspcntr = REG_READ(dspcntr_reg); - dspcntr |= DISPPLANE_GAMMA_ENABLE; - - if (pipe == 0) - dspcntr |= DISPPLANE_SEL_PIPE_A; - else - dspcntr |= DISPPLANE_SEL_PIPE_B; - - dev_priv->dspcntr = dspcntr |= DISPLAY_PLANE_ENABLE; - dev_priv->pipeconf = pipeconf |= PIPEACONF_ENABLE; - - if (is_mipi) - goto mrst_crtc_mode_set_exit; - - refclk = dev_priv->core_freq * 1000; - - dpll = 0; /*BIT16 = 0 for 100MHz reference */ - - ok = mrstFindBestPLL(crtc, adjusted_mode->clock, refclk, &clock); - - if (!ok) { - dev_dbg(dev->dev, "mrstFindBestPLL fail in mrst_crtc_mode_set.\n"); - } else { - dev_dbg(dev->dev, "mrst_crtc_mode_set pixel clock = %d," - "m = %x, p1 = %x.\n", clock.dot, clock.m, - clock.p1); - } - - fp = mrst_m_converts[(clock.m - MRST_M_MIN)] << 8; - - dpll |= DPLL_VGA_MODE_DIS; - - - dpll |= DPLL_VCO_ENABLE; - - if (is_lvds) - dpll |= DPLLA_MODE_LVDS; - else - dpll |= DPLLB_MODE_DAC_SERIAL; - - if (is_sdvo) { - int sdvo_pixel_multiply = - adjusted_mode->clock / mode->clock; - - dpll |= DPLL_DVO_HIGH_SPEED; - dpll |= - (sdvo_pixel_multiply - - 1) << SDVO_MULTIPLIER_SHIFT_HIRES; - } - - - /* compute bitmask from p1 value */ - dpll |= (1 << (clock.p1 - 2)) << 17; - - dpll |= DPLL_VCO_ENABLE; - - mrstPrintPll("chosen", &clock); - - if (dpll & DPLL_VCO_ENABLE) { - REG_WRITE(fp_reg, fp); - REG_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE); - REG_READ(dpll_reg); - /* Check the DPLLA lock bit PIPEACONF[29] */ - udelay(150); - } - - REG_WRITE(fp_reg, fp); - REG_WRITE(dpll_reg, dpll); - REG_READ(dpll_reg); - /* Wait for the clocks to stabilize. */ - udelay(150); - - /* write it again -- the BIOS does, after all */ - REG_WRITE(dpll_reg, dpll); - REG_READ(dpll_reg); - /* Wait for the clocks to stabilize. */ - udelay(150); - - REG_WRITE(pipeconf_reg, pipeconf); - REG_READ(pipeconf_reg); - psb_intel_wait_for_vblank(dev); - - REG_WRITE(dspcntr_reg, dspcntr); - psb_intel_wait_for_vblank(dev); - -mrst_crtc_mode_set_exit: - gma_power_end(dev); - return 0; -} - -static bool mrst_crtc_mode_fixup(struct drm_crtc *crtc, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - -int mrst_pipe_set_base(struct drm_crtc *crtc, - int x, int y, struct drm_framebuffer *old_fb) -{ - struct drm_device *dev = crtc->dev; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb); - int pipe = psb_intel_crtc->pipe; - unsigned long start, offset; - - int dspbase = (pipe == 0 ? DSPALINOFF : DSPBBASE); - int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF); - int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE; - int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; - u32 dspcntr; - int ret = 0; - - /* no fb bound */ - if (!crtc->fb) { - dev_dbg(dev->dev, "No FB bound\n"); - return 0; - } - - if (!gma_power_begin(dev, true)) - return 0; - - start = psbfb->gtt->offset; - offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8); - - REG_WRITE(dspstride, crtc->fb->pitches[0]); - - dspcntr = REG_READ(dspcntr_reg); - dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; - - switch (crtc->fb->bits_per_pixel) { - case 8: - dspcntr |= DISPPLANE_8BPP; - break; - case 16: - if (crtc->fb->depth == 15) - dspcntr |= DISPPLANE_15_16BPP; - else - dspcntr |= DISPPLANE_16BPP; - break; - case 24: - case 32: - dspcntr |= DISPPLANE_32BPP_NO_ALPHA; - break; - default: - dev_err(dev->dev, "Unknown color depth\n"); - ret = -EINVAL; - goto pipe_set_base_exit; - } - REG_WRITE(dspcntr_reg, dspcntr); - - REG_WRITE(dspbase, offset); - REG_READ(dspbase); - REG_WRITE(dspsurf, start); - REG_READ(dspsurf); - -pipe_set_base_exit: - gma_power_end(dev); - return ret; -} - -static void mrst_crtc_prepare(struct drm_crtc *crtc) -{ - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF); -} - -static void mrst_crtc_commit(struct drm_crtc *crtc) -{ - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON); -} - -const struct drm_crtc_helper_funcs mrst_helper_funcs = { - .dpms = mrst_crtc_dpms, - .mode_fixup = mrst_crtc_mode_fixup, - .mode_set = mrst_crtc_mode_set, - .mode_set_base = mrst_pipe_set_base, - .prepare = mrst_crtc_prepare, - .commit = mrst_crtc_commit, -}; - diff --git a/drivers/staging/gma500/mrst_device.c b/drivers/staging/gma500/mrst_device.c deleted file mode 100644 index 6707fafbfa1e2a..00000000000000 --- a/drivers/staging/gma500/mrst_device.c +++ /dev/null @@ -1,634 +0,0 @@ -/************************************************************************** - * Copyright (c) 2011, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - **************************************************************************/ - -#include <linux/backlight.h> -#include <linux/module.h> -#include <linux/dmi.h> -#include <drm/drmP.h> -#include <drm/drm.h> -#include "psb_drm.h" -#include "psb_drv.h" -#include "psb_reg.h" -#include "psb_intel_reg.h" -#include <asm/mrst.h> -#include <asm/intel_scu_ipc.h> -#include "mid_bios.h" - -static int devtype; - -module_param_named(type, devtype, int, 0600); -MODULE_PARM_DESC(type, "Moorestown/Oaktrail device type"); - -#define DEVICE_MOORESTOWN 1 -#define DEVICE_OAKTRAIL 2 -#define DEVICE_MOORESTOWN_MM 3 - -static int mrst_device_ident(struct drm_device *dev) -{ - /* User forced */ - if (devtype) - return devtype; - if (dmi_match(DMI_PRODUCT_NAME, "OakTrail") || - dmi_match(DMI_PRODUCT_NAME, "OakTrail platform")) - return DEVICE_OAKTRAIL; -#if defined(CONFIG_X86_MRST) - if (dmi_match(DMI_PRODUCT_NAME, "MM") || - dmi_match(DMI_PRODUCT_NAME, "MM 10")) - return DEVICE_MOORESTOWN_MM; - if (mrst_identify_cpu()) - return DEVICE_MOORESTOWN; -#endif - return DEVICE_OAKTRAIL; -} - - -/* IPC message and command defines used to enable/disable mipi panel voltages */ -#define IPC_MSG_PANEL_ON_OFF 0xE9 -#define IPC_CMD_PANEL_ON 1 -#define IPC_CMD_PANEL_OFF 0 - -static int mrst_output_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - if (dev_priv->iLVDS_enable) - mrst_lvds_init(dev, &dev_priv->mode_dev); - else - dev_err(dev->dev, "DSI is not supported\n"); - if (dev_priv->hdmi_priv) - mrst_hdmi_init(dev, &dev_priv->mode_dev); - return 0; -} - -/* - * Provide the low level interfaces for the Moorestown backlight - */ - -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - -#define MRST_BLC_MAX_PWM_REG_FREQ 0xFFFF -#define BLC_PWM_PRECISION_FACTOR 100 /* 10000000 */ -#define BLC_PWM_FREQ_CALC_CONSTANT 32 -#define MHz 1000000 -#define BLC_ADJUSTMENT_MAX 100 - -static struct backlight_device *mrst_backlight_device; -static int mrst_brightness; - -static int mrst_set_brightness(struct backlight_device *bd) -{ - struct drm_device *dev = bl_get_data(mrst_backlight_device); - struct drm_psb_private *dev_priv = dev->dev_private; - int level = bd->props.brightness; - u32 blc_pwm_ctl; - u32 max_pwm_blc; - - /* Percentage 1-100% being valid */ - if (level < 1) - level = 1; - - if (gma_power_begin(dev, 0)) { - /* Calculate and set the brightness value */ - max_pwm_blc = REG_READ(BLC_PWM_CTL) >> 16; - blc_pwm_ctl = level * max_pwm_blc / 100; - - /* Adjust the backlight level with the percent in - * dev_priv->blc_adj1; - */ - blc_pwm_ctl = blc_pwm_ctl * dev_priv->blc_adj1; - blc_pwm_ctl = blc_pwm_ctl / 100; - - /* Adjust the backlight level with the percent in - * dev_priv->blc_adj2; - */ - blc_pwm_ctl = blc_pwm_ctl * dev_priv->blc_adj2; - blc_pwm_ctl = blc_pwm_ctl / 100; - - /* force PWM bit on */ - REG_WRITE(BLC_PWM_CTL2, (0x80000000 | REG_READ(BLC_PWM_CTL2))); - REG_WRITE(BLC_PWM_CTL, (max_pwm_blc << 16) | blc_pwm_ctl); - gma_power_end(dev); - } - mrst_brightness = level; - return 0; -} - -static int mrst_get_brightness(struct backlight_device *bd) -{ - /* return locally cached var instead of HW read (due to DPST etc.) */ - /* FIXME: ideally return actual value in case firmware fiddled with - it */ - return mrst_brightness; -} - -static int device_backlight_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - unsigned long core_clock; - u16 bl_max_freq; - uint32_t value; - uint32_t blc_pwm_precision_factor; - - dev_priv->blc_adj1 = BLC_ADJUSTMENT_MAX; - dev_priv->blc_adj2 = BLC_ADJUSTMENT_MAX; - bl_max_freq = 256; - /* this needs to be set elsewhere */ - blc_pwm_precision_factor = BLC_PWM_PRECISION_FACTOR; - - core_clock = dev_priv->core_freq; - - value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT; - value *= blc_pwm_precision_factor; - value /= bl_max_freq; - value /= blc_pwm_precision_factor; - - if (value > (unsigned long long)MRST_BLC_MAX_PWM_REG_FREQ) - return -ERANGE; - - if (gma_power_begin(dev, false)) { - REG_WRITE(BLC_PWM_CTL2, (0x80000000 | REG_READ(BLC_PWM_CTL2))); - REG_WRITE(BLC_PWM_CTL, value | (value << 16)); - gma_power_end(dev); - } - return 0; -} - -static const struct backlight_ops mrst_ops = { - .get_brightness = mrst_get_brightness, - .update_status = mrst_set_brightness, -}; - -int mrst_backlight_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - int ret; - struct backlight_properties props; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.max_brightness = 100; - props.type = BACKLIGHT_PLATFORM; - - mrst_backlight_device = backlight_device_register("mrst-bl", - NULL, (void *)dev, &mrst_ops, &props); - - if (IS_ERR(mrst_backlight_device)) - return PTR_ERR(mrst_backlight_device); - - ret = device_backlight_init(dev); - if (ret < 0) { - backlight_device_unregister(mrst_backlight_device); - return ret; - } - mrst_backlight_device->props.brightness = 100; - mrst_backlight_device->props.max_brightness = 100; - backlight_update_status(mrst_backlight_device); - dev_priv->backlight_device = mrst_backlight_device; - return 0; -} - -#endif - -/* - * Provide the Moorestown specific chip logic and low level methods - * for power management - */ - -static void mrst_init_pm(struct drm_device *dev) -{ -} - -/** - * mrst_save_display_registers - save registers lost on suspend - * @dev: our DRM device - * - * Save the state we need in order to be able to restore the interface - * upon resume from suspend - */ -static int mrst_save_display_registers(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - int i; - u32 pp_stat; - - /* Display arbitration control + watermarks */ - dev_priv->saveDSPARB = PSB_RVDC32(DSPARB); - dev_priv->saveDSPFW1 = PSB_RVDC32(DSPFW1); - dev_priv->saveDSPFW2 = PSB_RVDC32(DSPFW2); - dev_priv->saveDSPFW3 = PSB_RVDC32(DSPFW3); - dev_priv->saveDSPFW4 = PSB_RVDC32(DSPFW4); - dev_priv->saveDSPFW5 = PSB_RVDC32(DSPFW5); - dev_priv->saveDSPFW6 = PSB_RVDC32(DSPFW6); - dev_priv->saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT); - - /* Pipe & plane A info */ - dev_priv->savePIPEACONF = PSB_RVDC32(PIPEACONF); - dev_priv->savePIPEASRC = PSB_RVDC32(PIPEASRC); - dev_priv->saveFPA0 = PSB_RVDC32(MRST_FPA0); - dev_priv->saveFPA1 = PSB_RVDC32(MRST_FPA1); - dev_priv->saveDPLL_A = PSB_RVDC32(MRST_DPLL_A); - dev_priv->saveHTOTAL_A = PSB_RVDC32(HTOTAL_A); - dev_priv->saveHBLANK_A = PSB_RVDC32(HBLANK_A); - dev_priv->saveHSYNC_A = PSB_RVDC32(HSYNC_A); - dev_priv->saveVTOTAL_A = PSB_RVDC32(VTOTAL_A); - dev_priv->saveVBLANK_A = PSB_RVDC32(VBLANK_A); - dev_priv->saveVSYNC_A = PSB_RVDC32(VSYNC_A); - dev_priv->saveBCLRPAT_A = PSB_RVDC32(BCLRPAT_A); - dev_priv->saveDSPACNTR = PSB_RVDC32(DSPACNTR); - dev_priv->saveDSPASTRIDE = PSB_RVDC32(DSPASTRIDE); - dev_priv->saveDSPAADDR = PSB_RVDC32(DSPABASE); - dev_priv->saveDSPASURF = PSB_RVDC32(DSPASURF); - dev_priv->saveDSPALINOFF = PSB_RVDC32(DSPALINOFF); - dev_priv->saveDSPATILEOFF = PSB_RVDC32(DSPATILEOFF); - - /* Save cursor regs */ - dev_priv->saveDSPACURSOR_CTRL = PSB_RVDC32(CURACNTR); - dev_priv->saveDSPACURSOR_BASE = PSB_RVDC32(CURABASE); - dev_priv->saveDSPACURSOR_POS = PSB_RVDC32(CURAPOS); - - /* Save palette (gamma) */ - for (i = 0; i < 256; i++) - dev_priv->save_palette_a[i] = PSB_RVDC32(PALETTE_A + (i << 2)); - - if (dev_priv->hdmi_priv) - mrst_hdmi_save(dev); - - /* Save performance state */ - dev_priv->savePERF_MODE = PSB_RVDC32(MRST_PERF_MODE); - - /* LVDS state */ - dev_priv->savePP_CONTROL = PSB_RVDC32(PP_CONTROL); - dev_priv->savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS); - dev_priv->savePFIT_AUTO_RATIOS = PSB_RVDC32(PFIT_AUTO_RATIOS); - dev_priv->saveBLC_PWM_CTL = PSB_RVDC32(BLC_PWM_CTL); - dev_priv->saveBLC_PWM_CTL2 = PSB_RVDC32(BLC_PWM_CTL2); - dev_priv->saveLVDS = PSB_RVDC32(LVDS); - dev_priv->savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL); - dev_priv->savePP_ON_DELAYS = PSB_RVDC32(LVDSPP_ON); - dev_priv->savePP_OFF_DELAYS = PSB_RVDC32(LVDSPP_OFF); - dev_priv->savePP_DIVISOR = PSB_RVDC32(PP_CYCLE); - - /* HW overlay */ - dev_priv->saveOV_OVADD = PSB_RVDC32(OV_OVADD); - dev_priv->saveOV_OGAMC0 = PSB_RVDC32(OV_OGAMC0); - dev_priv->saveOV_OGAMC1 = PSB_RVDC32(OV_OGAMC1); - dev_priv->saveOV_OGAMC2 = PSB_RVDC32(OV_OGAMC2); - dev_priv->saveOV_OGAMC3 = PSB_RVDC32(OV_OGAMC3); - dev_priv->saveOV_OGAMC4 = PSB_RVDC32(OV_OGAMC4); - dev_priv->saveOV_OGAMC5 = PSB_RVDC32(OV_OGAMC5); - - /* DPST registers */ - dev_priv->saveHISTOGRAM_INT_CONTROL_REG = - PSB_RVDC32(HISTOGRAM_INT_CONTROL); - dev_priv->saveHISTOGRAM_LOGIC_CONTROL_REG = - PSB_RVDC32(HISTOGRAM_LOGIC_CONTROL); - dev_priv->savePWM_CONTROL_LOGIC = PSB_RVDC32(PWM_CONTROL_LOGIC); - - if (dev_priv->iLVDS_enable) { - /* Shut down the panel */ - PSB_WVDC32(0, PP_CONTROL); - - do { - pp_stat = PSB_RVDC32(PP_STATUS); - } while (pp_stat & 0x80000000); - - /* Turn off the plane */ - PSB_WVDC32(0x58000000, DSPACNTR); - /* Trigger the plane disable */ - PSB_WVDC32(0, DSPASURF); - - /* Wait ~4 ticks */ - msleep(4); - - /* Turn off pipe */ - PSB_WVDC32(0x0, PIPEACONF); - /* Wait ~8 ticks */ - msleep(8); - - /* Turn off PLLs */ - PSB_WVDC32(0, MRST_DPLL_A); - } - return 0; -} - -/** - * mrst_restore_display_registers - restore lost register state - * @dev: our DRM device - * - * Restore register state that was lost during suspend and resume. - */ -static int mrst_restore_display_registers(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - u32 pp_stat; - int i; - - /* Display arbitration + watermarks */ - PSB_WVDC32(dev_priv->saveDSPARB, DSPARB); - PSB_WVDC32(dev_priv->saveDSPFW1, DSPFW1); - PSB_WVDC32(dev_priv->saveDSPFW2, DSPFW2); - PSB_WVDC32(dev_priv->saveDSPFW3, DSPFW3); - PSB_WVDC32(dev_priv->saveDSPFW4, DSPFW4); - PSB_WVDC32(dev_priv->saveDSPFW5, DSPFW5); - PSB_WVDC32(dev_priv->saveDSPFW6, DSPFW6); - PSB_WVDC32(dev_priv->saveCHICKENBIT, DSPCHICKENBIT); - - /* Make sure VGA plane is off. it initializes to on after reset!*/ - PSB_WVDC32(0x80000000, VGACNTRL); - - /* set the plls */ - PSB_WVDC32(dev_priv->saveFPA0, MRST_FPA0); - PSB_WVDC32(dev_priv->saveFPA1, MRST_FPA1); - - /* Actually enable it */ - PSB_WVDC32(dev_priv->saveDPLL_A, MRST_DPLL_A); - DRM_UDELAY(150); - - /* Restore mode */ - PSB_WVDC32(dev_priv->saveHTOTAL_A, HTOTAL_A); - PSB_WVDC32(dev_priv->saveHBLANK_A, HBLANK_A); - PSB_WVDC32(dev_priv->saveHSYNC_A, HSYNC_A); - PSB_WVDC32(dev_priv->saveVTOTAL_A, VTOTAL_A); - PSB_WVDC32(dev_priv->saveVBLANK_A, VBLANK_A); - PSB_WVDC32(dev_priv->saveVSYNC_A, VSYNC_A); - PSB_WVDC32(dev_priv->savePIPEASRC, PIPEASRC); - PSB_WVDC32(dev_priv->saveBCLRPAT_A, BCLRPAT_A); - - /* Restore performance mode*/ - PSB_WVDC32(dev_priv->savePERF_MODE, MRST_PERF_MODE); - - /* Enable the pipe*/ - if (dev_priv->iLVDS_enable) - PSB_WVDC32(dev_priv->savePIPEACONF, PIPEACONF); - - /* Set up the plane*/ - PSB_WVDC32(dev_priv->saveDSPALINOFF, DSPALINOFF); - PSB_WVDC32(dev_priv->saveDSPASTRIDE, DSPASTRIDE); - PSB_WVDC32(dev_priv->saveDSPATILEOFF, DSPATILEOFF); - - /* Enable the plane */ - PSB_WVDC32(dev_priv->saveDSPACNTR, DSPACNTR); - PSB_WVDC32(dev_priv->saveDSPASURF, DSPASURF); - - /* Enable Cursor A */ - PSB_WVDC32(dev_priv->saveDSPACURSOR_CTRL, CURACNTR); - PSB_WVDC32(dev_priv->saveDSPACURSOR_POS, CURAPOS); - PSB_WVDC32(dev_priv->saveDSPACURSOR_BASE, CURABASE); - - /* Restore palette (gamma) */ - for (i = 0; i < 256; i++) - PSB_WVDC32(dev_priv->save_palette_a[i], PALETTE_A + (i << 2)); - - if (dev_priv->hdmi_priv) - mrst_hdmi_restore(dev); - - if (dev_priv->iLVDS_enable) { - PSB_WVDC32(dev_priv->saveBLC_PWM_CTL2, BLC_PWM_CTL2); - PSB_WVDC32(dev_priv->saveLVDS, LVDS); /*port 61180h*/ - PSB_WVDC32(dev_priv->savePFIT_CONTROL, PFIT_CONTROL); - PSB_WVDC32(dev_priv->savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS); - PSB_WVDC32(dev_priv->savePFIT_AUTO_RATIOS, PFIT_AUTO_RATIOS); - PSB_WVDC32(dev_priv->saveBLC_PWM_CTL, BLC_PWM_CTL); - PSB_WVDC32(dev_priv->savePP_ON_DELAYS, LVDSPP_ON); - PSB_WVDC32(dev_priv->savePP_OFF_DELAYS, LVDSPP_OFF); - PSB_WVDC32(dev_priv->savePP_DIVISOR, PP_CYCLE); - PSB_WVDC32(dev_priv->savePP_CONTROL, PP_CONTROL); - } - - /* Wait for cycle delay */ - do { - pp_stat = PSB_RVDC32(PP_STATUS); - } while (pp_stat & 0x08000000); - - /* Wait for panel power up */ - do { - pp_stat = PSB_RVDC32(PP_STATUS); - } while (pp_stat & 0x10000000); - - /* Restore HW overlay */ - PSB_WVDC32(dev_priv->saveOV_OVADD, OV_OVADD); - PSB_WVDC32(dev_priv->saveOV_OGAMC0, OV_OGAMC0); - PSB_WVDC32(dev_priv->saveOV_OGAMC1, OV_OGAMC1); - PSB_WVDC32(dev_priv->saveOV_OGAMC2, OV_OGAMC2); - PSB_WVDC32(dev_priv->saveOV_OGAMC3, OV_OGAMC3); - PSB_WVDC32(dev_priv->saveOV_OGAMC4, OV_OGAMC4); - PSB_WVDC32(dev_priv->saveOV_OGAMC5, OV_OGAMC5); - - /* DPST registers */ - PSB_WVDC32(dev_priv->saveHISTOGRAM_INT_CONTROL_REG, - HISTOGRAM_INT_CONTROL); - PSB_WVDC32(dev_priv->saveHISTOGRAM_LOGIC_CONTROL_REG, - HISTOGRAM_LOGIC_CONTROL); - PSB_WVDC32(dev_priv->savePWM_CONTROL_LOGIC, PWM_CONTROL_LOGIC); - - return 0; -} - -/** - * mrst_power_down - power down the display island - * @dev: our DRM device - * - * Power down the display interface of our device - */ -static int mrst_power_down(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - u32 pwr_mask ; - u32 pwr_sts; - - pwr_mask = PSB_PWRGT_DISPLAY_MASK; - outl(pwr_mask, dev_priv->ospm_base + PSB_PM_SSC); - - while (true) { - pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS); - if ((pwr_sts & pwr_mask) == pwr_mask) - break; - else - udelay(10); - } - return 0; -} - -/* - * mrst_power_up - * - * Restore power to the specified island(s) (powergating) - */ -static int mrst_power_up(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - u32 pwr_mask = PSB_PWRGT_DISPLAY_MASK; - u32 pwr_sts, pwr_cnt; - - pwr_cnt = inl(dev_priv->ospm_base + PSB_PM_SSC); - pwr_cnt &= ~pwr_mask; - outl(pwr_cnt, (dev_priv->ospm_base + PSB_PM_SSC)); - - while (true) { - pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS); - if ((pwr_sts & pwr_mask) == 0) - break; - else - udelay(10); - } - return 0; -} - -#if defined(CONFIG_X86_MRST) -static void mrst_lvds_cache_bl(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - intel_scu_ipc_ioread8(0x28, &(dev_priv->saveBKLTCNT)); - intel_scu_ipc_ioread8(0x29, &(dev_priv->saveBKLTREQ)); - intel_scu_ipc_ioread8(0x2A, &(dev_priv->saveBKLTBRTL)); -} - -static void mrst_mm_bl_power(struct drm_device *dev, bool on) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - if (on) { - intel_scu_ipc_iowrite8(0x2A, dev_priv->saveBKLTBRTL); - intel_scu_ipc_iowrite8(0x28, dev_priv->saveBKLTCNT); - intel_scu_ipc_iowrite8(0x29, dev_priv->saveBKLTREQ); - } else { - intel_scu_ipc_iowrite8(0x2A, 0); - intel_scu_ipc_iowrite8(0x28, 0); - intel_scu_ipc_iowrite8(0x29, 0); - } -} - -static const struct psb_ops mrst_mm_chip_ops = { - .name = "Moorestown MM ", - .accel_2d = 1, - .pipes = 1, - .crtcs = 1, - .sgx_offset = MRST_SGX_OFFSET, - - .crtc_helper = &mrst_helper_funcs, - .crtc_funcs = &psb_intel_crtc_funcs, - - .output_init = mrst_output_init, - - .lvds_bl_power = mrst_mm_bl_power, -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - .backlight_init = mrst_backlight_init, -#endif - - .init_pm = mrst_init_pm, - .save_regs = mrst_save_display_registers, - .restore_regs = mrst_restore_display_registers, - .power_down = mrst_power_down, - .power_up = mrst_power_up, - - .i2c_bus = 0, -}; - -#endif - -static void oaktrail_teardown(struct drm_device *dev) -{ - mrst_hdmi_teardown(dev); -} - -static const struct psb_ops oaktrail_chip_ops = { - .name = "Oaktrail", - .accel_2d = 1, - .pipes = 2, - .crtcs = 2, - .sgx_offset = MRST_SGX_OFFSET, - - .chip_setup = mid_chip_setup, - .chip_teardown = oaktrail_teardown, - .crtc_helper = &mrst_helper_funcs, - .crtc_funcs = &psb_intel_crtc_funcs, - - .output_init = mrst_output_init, - -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - .backlight_init = mrst_backlight_init, -#endif - - .init_pm = mrst_init_pm, - .save_regs = mrst_save_display_registers, - .restore_regs = mrst_restore_display_registers, - .power_down = mrst_power_down, - .power_up = mrst_power_up, - - .i2c_bus = 1, -}; - -/** - * mrst_chip_setup - perform the initial chip init - * @dev: Our drm_device - * - * Figure out which incarnation we are and then scan the firmware for - * tables and information. - */ -static int mrst_chip_setup(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - switch (mrst_device_ident(dev)) { - case DEVICE_OAKTRAIL: - /* Dual CRTC, PC compatible, HDMI, I2C #2 */ - dev_priv->ops = &oaktrail_chip_ops; - mrst_hdmi_setup(dev); - return mid_chip_setup(dev); -#if defined(CONFIG_X86_MRST) - case DEVICE_MOORESTOWN_MM: - /* Single CRTC, No HDMI, I2C #0, BL control */ - mrst_lvds_cache_bl(dev); - dev_priv->ops = &mrst_mm_chip_ops; - return mid_chip_setup(dev); - case DEVICE_MOORESTOWN: - /* Dual CRTC, No HDMI(?), I2C #1 */ - return mid_chip_setup(dev); -#endif - default: - dev_err(dev->dev, "unsupported device type.\n"); - return -ENODEV; - } -} - -const struct psb_ops mrst_chip_ops = { - .name = "Moorestown", - .accel_2d = 1, - .pipes = 2, - .crtcs = 2, - .sgx_offset = MRST_SGX_OFFSET, - - .chip_setup = mrst_chip_setup, - .crtc_helper = &mrst_helper_funcs, - .crtc_funcs = &psb_intel_crtc_funcs, - - .output_init = mrst_output_init, - -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - .backlight_init = mrst_backlight_init, -#endif - - .init_pm = mrst_init_pm, - .save_regs = mrst_save_display_registers, - .restore_regs = mrst_restore_display_registers, - .power_down = mrst_power_down, - .power_up = mrst_power_up, - - .i2c_bus = 2, -}; - diff --git a/drivers/staging/gma500/mrst_hdmi.c b/drivers/staging/gma500/mrst_hdmi.c deleted file mode 100644 index e66607eb3d3e99..00000000000000 --- a/drivers/staging/gma500/mrst_hdmi.c +++ /dev/null @@ -1,852 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Li Peng <peng.li@intel.com> - */ - -#include <drm/drmP.h> -#include <drm/drm.h> -#include "psb_intel_drv.h" -#include "psb_intel_reg.h" -#include "psb_drv.h" - -#define HDMI_READ(reg) readl(hdmi_dev->regs + (reg)) -#define HDMI_WRITE(reg, val) writel(val, hdmi_dev->regs + (reg)) - -#define HDMI_HCR 0x1000 -#define HCR_ENABLE_HDCP (1 << 5) -#define HCR_ENABLE_AUDIO (1 << 2) -#define HCR_ENABLE_PIXEL (1 << 1) -#define HCR_ENABLE_TMDS (1 << 0) - -#define HDMI_HICR 0x1004 -#define HDMI_HSR 0x1008 -#define HDMI_HISR 0x100C -#define HDMI_DETECT_HDP (1 << 0) - -#define HDMI_VIDEO_REG 0x3000 -#define HDMI_UNIT_EN (1 << 7) -#define HDMI_MODE_OUTPUT (1 << 0) -#define HDMI_HBLANK_A 0x3100 - -#define HDMI_AUDIO_CTRL 0x4000 -#define HDMI_ENABLE_AUDIO (1 << 0) - -#define PCH_HTOTAL_B 0x3100 -#define PCH_HBLANK_B 0x3104 -#define PCH_HSYNC_B 0x3108 -#define PCH_VTOTAL_B 0x310C -#define PCH_VBLANK_B 0x3110 -#define PCH_VSYNC_B 0x3114 -#define PCH_PIPEBSRC 0x311C - -#define PCH_PIPEB_DSL 0x3800 -#define PCH_PIPEB_SLC 0x3804 -#define PCH_PIPEBCONF 0x3808 -#define PCH_PIPEBSTAT 0x3824 - -#define CDVO_DFT 0x5000 -#define CDVO_SLEWRATE 0x5004 -#define CDVO_STRENGTH 0x5008 -#define CDVO_RCOMP 0x500C - -#define DPLL_CTRL 0x6000 -#define DPLL_PDIV_SHIFT 16 -#define DPLL_PDIV_MASK (0xf << 16) -#define DPLL_PWRDN (1 << 4) -#define DPLL_RESET (1 << 3) -#define DPLL_FASTEN (1 << 2) -#define DPLL_ENSTAT (1 << 1) -#define DPLL_DITHEN (1 << 0) - -#define DPLL_DIV_CTRL 0x6004 -#define DPLL_CLKF_MASK 0xffffffc0 -#define DPLL_CLKR_MASK (0x3f) - -#define DPLL_CLK_ENABLE 0x6008 -#define DPLL_EN_DISP (1 << 31) -#define DPLL_SEL_HDMI (1 << 8) -#define DPLL_EN_HDMI (1 << 1) -#define DPLL_EN_VGA (1 << 0) - -#define DPLL_ADJUST 0x600C -#define DPLL_STATUS 0x6010 -#define DPLL_UPDATE 0x6014 -#define DPLL_DFT 0x6020 - -struct intel_range { - int min, max; -}; - -struct mrst_hdmi_limit { - struct intel_range vco, np, nr, nf; -}; - -struct mrst_hdmi_clock { - int np; - int nr; - int nf; - int dot; -}; - -#define VCO_MIN 320000 -#define VCO_MAX 1650000 -#define NP_MIN 1 -#define NP_MAX 15 -#define NR_MIN 1 -#define NR_MAX 64 -#define NF_MIN 2 -#define NF_MAX 4095 - -static const struct mrst_hdmi_limit mrst_hdmi_limit = { - .vco = { .min = VCO_MIN, .max = VCO_MAX }, - .np = { .min = NP_MIN, .max = NP_MAX }, - .nr = { .min = NR_MIN, .max = NR_MAX }, - .nf = { .min = NF_MIN, .max = NF_MAX }, -}; - -static void wait_for_vblank(struct drm_device *dev) -{ - /* FIXME: Can we do this as a sleep ? */ - /* Wait for 20ms, i.e. one cycle at 50hz. */ - mdelay(20); -} - -static void scu_busy_loop(void *scu_base) -{ - u32 status = 0; - u32 loop_count = 0; - - status = readl(scu_base + 0x04); - while (status & 1) { - udelay(1); /* scu processing time is in few u secods */ - status = readl(scu_base + 0x04); - loop_count++; - /* break if scu doesn't reset busy bit after huge retry */ - if (loop_count > 1000) { - DRM_DEBUG_KMS("SCU IPC timed out"); - return; - } - } -} - -static void mrst_hdmi_reset(struct drm_device *dev) -{ - void *base; - /* FIXME: at least make these defines */ - unsigned int scu_ipc_mmio = 0xff11c000; - int scu_len = 1024; - - base = ioremap((resource_size_t)scu_ipc_mmio, scu_len); - if (base == NULL) { - DRM_ERROR("failed to map SCU mmio\n"); - return; - } - - /* scu ipc: assert hdmi controller reset */ - writel(0xff11d118, base + 0x0c); - writel(0x7fffffdf, base + 0x80); - writel(0x42005, base + 0x0); - scu_busy_loop(base); - - /* scu ipc: de-assert hdmi controller reset */ - writel(0xff11d118, base + 0x0c); - writel(0x7fffffff, base + 0x80); - writel(0x42005, base + 0x0); - scu_busy_loop(base); - - iounmap(base); -} - -static void mrst_hdmi_audio_enable(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv; - - HDMI_WRITE(HDMI_HCR, 0x67); - HDMI_READ(HDMI_HCR); - - HDMI_WRITE(0x51a8, 0x10); - HDMI_READ(0x51a8); - - HDMI_WRITE(HDMI_AUDIO_CTRL, 0x1); - HDMI_READ(HDMI_AUDIO_CTRL); -} - -static void mrst_hdmi_audio_disable(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv; - - HDMI_WRITE(0x51a8, 0x0); - HDMI_READ(0x51a8); - - HDMI_WRITE(HDMI_AUDIO_CTRL, 0x0); - HDMI_READ(HDMI_AUDIO_CTRL); - - HDMI_WRITE(HDMI_HCR, 0x47); - HDMI_READ(HDMI_HCR); -} - -void mrst_crtc_hdmi_dpms(struct drm_crtc *crtc, int mode) -{ - struct drm_device *dev = crtc->dev; - u32 temp; - - switch (mode) { - case DRM_MODE_DPMS_OFF: - /* Disable VGACNTRL */ - REG_WRITE(VGACNTRL, 0x80000000); - - /* Disable plane */ - temp = REG_READ(DSPBCNTR); - if ((temp & DISPLAY_PLANE_ENABLE) != 0) { - REG_WRITE(DSPBCNTR, temp & ~DISPLAY_PLANE_ENABLE); - REG_READ(DSPBCNTR); - /* Flush the plane changes */ - REG_WRITE(DSPBSURF, REG_READ(DSPBSURF)); - REG_READ(DSPBSURF); - } - - /* Disable pipe B */ - temp = REG_READ(PIPEBCONF); - if ((temp & PIPEACONF_ENABLE) != 0) { - REG_WRITE(PIPEBCONF, temp & ~PIPEACONF_ENABLE); - REG_READ(PIPEBCONF); - } - - /* Disable LNW Pipes, etc */ - temp = REG_READ(PCH_PIPEBCONF); - if ((temp & PIPEACONF_ENABLE) != 0) { - REG_WRITE(PCH_PIPEBCONF, temp & ~PIPEACONF_ENABLE); - REG_READ(PCH_PIPEBCONF); - } - /* wait for pipe off */ - udelay(150); - /* Disable dpll */ - temp = REG_READ(DPLL_CTRL); - if ((temp & DPLL_PWRDN) == 0) { - REG_WRITE(DPLL_CTRL, temp | (DPLL_PWRDN | DPLL_RESET)); - REG_WRITE(DPLL_STATUS, 0x1); - } - /* wait for dpll off */ - udelay(150); - break; - case DRM_MODE_DPMS_ON: - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - /* Enable dpll */ - temp = REG_READ(DPLL_CTRL); - if ((temp & DPLL_PWRDN) != 0) { - REG_WRITE(DPLL_CTRL, temp & ~(DPLL_PWRDN | DPLL_RESET)); - temp = REG_READ(DPLL_CLK_ENABLE); - REG_WRITE(DPLL_CLK_ENABLE, temp | DPLL_EN_DISP | DPLL_SEL_HDMI | DPLL_EN_HDMI); - REG_READ(DPLL_CLK_ENABLE); - } - /* wait for dpll warm up */ - udelay(150); - - /* Enable pipe B */ - temp = REG_READ(PIPEBCONF); - if ((temp & PIPEACONF_ENABLE) == 0) { - REG_WRITE(PIPEBCONF, temp | PIPEACONF_ENABLE); - REG_READ(PIPEBCONF); - } - - /* Enable LNW Pipe B */ - temp = REG_READ(PCH_PIPEBCONF); - if ((temp & PIPEACONF_ENABLE) == 0) { - REG_WRITE(PCH_PIPEBCONF, temp | PIPEACONF_ENABLE); - REG_READ(PCH_PIPEBCONF); - } - wait_for_vblank(dev); - - /* Enable plane */ - temp = REG_READ(DSPBCNTR); - if ((temp & DISPLAY_PLANE_ENABLE) == 0) { - REG_WRITE(DSPBCNTR, temp | DISPLAY_PLANE_ENABLE); - /* Flush the plane changes */ - REG_WRITE(DSPBSURF, REG_READ(DSPBSURF)); - REG_READ(DSPBSURF); - } - psb_intel_crtc_load_lut(crtc); - } - /* DSPARB */ - REG_WRITE(DSPARB, 0x00003fbf); - /* FW1 */ - REG_WRITE(0x70034, 0x3f880a0a); - /* FW2 */ - REG_WRITE(0x70038, 0x0b060808); - /* FW4 */ - REG_WRITE(0x70050, 0x08030404); - /* FW5 */ - REG_WRITE(0x70054, 0x04040404); - /* LNC Chicken Bits */ - REG_WRITE(0x70400, 0x4000); -} - - -static void mrst_hdmi_dpms(struct drm_encoder *encoder, int mode) -{ - static int dpms_mode = -1; - - struct drm_device *dev = encoder->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv; - u32 temp; - - if (dpms_mode == mode) - return; - - if (mode != DRM_MODE_DPMS_ON) - temp = 0x0; - else - temp = 0x99; - - dpms_mode = mode; - HDMI_WRITE(HDMI_VIDEO_REG, temp); -} - -static unsigned int htotal_calculate(struct drm_display_mode *mode) -{ - u32 htotal, new_crtc_htotal; - - htotal = (mode->crtc_hdisplay - 1) | ((mode->crtc_htotal - 1) << 16); - - /* - * 1024 x 768 new_crtc_htotal = 0x1024; - * 1280 x 1024 new_crtc_htotal = 0x0c34; - */ - new_crtc_htotal = (mode->crtc_htotal - 1) * 200 * 1000 / mode->clock; - - return (mode->crtc_hdisplay - 1) | (new_crtc_htotal << 16); -} - -static void mrst_hdmi_find_dpll(struct drm_crtc *crtc, int target, - int refclk, struct mrst_hdmi_clock *best_clock) -{ - int np_min, np_max, nr_min, nr_max; - int np, nr, nf; - - np_min = DIV_ROUND_UP(mrst_hdmi_limit.vco.min, target * 10); - np_max = mrst_hdmi_limit.vco.max / (target * 10); - if (np_min < mrst_hdmi_limit.np.min) - np_min = mrst_hdmi_limit.np.min; - if (np_max > mrst_hdmi_limit.np.max) - np_max = mrst_hdmi_limit.np.max; - - nr_min = DIV_ROUND_UP((refclk * 1000), (target * 10 * np_max)); - nr_max = DIV_ROUND_UP((refclk * 1000), (target * 10 * np_min)); - if (nr_min < mrst_hdmi_limit.nr.min) - nr_min = mrst_hdmi_limit.nr.min; - if (nr_max > mrst_hdmi_limit.nr.max) - nr_max = mrst_hdmi_limit.nr.max; - - np = DIV_ROUND_UP((refclk * 1000), (target * 10 * nr_max)); - nr = DIV_ROUND_UP((refclk * 1000), (target * 10 * np)); - nf = DIV_ROUND_CLOSEST((target * 10 * np * nr), refclk); - DRM_DEBUG_KMS("np, nr, nf %d %d %d\n", np, nr, nf); - - /* - * 1024 x 768 np = 1; nr = 0x26; nf = 0x0fd8000; - * 1280 x 1024 np = 1; nr = 0x17; nf = 0x1034000; - */ - best_clock->np = np; - best_clock->nr = nr - 1; - best_clock->nf = (nf << 14); -} - -int mrst_crtc_hdmi_mode_set(struct drm_crtc *crtc, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode, - int x, int y, - struct drm_framebuffer *old_fb) -{ - struct drm_device *dev = crtc->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv; - int pipe = 1; - int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B; - int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B; - int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B; - int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B; - int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B; - int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B; - int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE; - int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS; - int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC; - int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF; - int refclk; - struct mrst_hdmi_clock clock; - u32 dspcntr, pipeconf, dpll, temp; - int dspcntr_reg = DSPBCNTR; - - /* Disable the VGA plane that we never use */ - REG_WRITE(VGACNTRL, VGA_DISP_DISABLE); - - /* XXX: Disable the panel fitter if it was on our pipe */ - - /* Disable dpll if necessary */ - dpll = REG_READ(DPLL_CTRL); - if ((dpll & DPLL_PWRDN) == 0) { - REG_WRITE(DPLL_CTRL, dpll | (DPLL_PWRDN | DPLL_RESET)); - REG_WRITE(DPLL_DIV_CTRL, 0x00000000); - REG_WRITE(DPLL_STATUS, 0x1); - } - udelay(150); - - /* reset controller: FIXME - can we sort out the ioremap mess ? */ - iounmap(hdmi_dev->regs); - mrst_hdmi_reset(dev); - - /* program and enable dpll */ - refclk = 25000; - mrst_hdmi_find_dpll(crtc, adjusted_mode->clock, refclk, &clock); - - /* Setting DPLL */ - dpll = REG_READ(DPLL_CTRL); - dpll &= ~DPLL_PDIV_MASK; - dpll &= ~(DPLL_PWRDN | DPLL_RESET); - REG_WRITE(DPLL_CTRL, 0x00000008); - REG_WRITE(DPLL_DIV_CTRL, ((clock.nf << 6) | clock.nr)); - REG_WRITE(DPLL_ADJUST, ((clock.nf >> 14) - 1)); - REG_WRITE(DPLL_CTRL, (dpll | (clock.np << DPLL_PDIV_SHIFT) | DPLL_ENSTAT | DPLL_DITHEN)); - REG_WRITE(DPLL_UPDATE, 0x80000000); - REG_WRITE(DPLL_CLK_ENABLE, 0x80050102); - udelay(150); - - hdmi_dev->regs = ioremap(hdmi_dev->mmio, hdmi_dev->mmio_len); - if (hdmi_dev->regs == NULL) { - DRM_ERROR("failed to do hdmi mmio mapping\n"); - return -ENOMEM; - } - - /* configure HDMI */ - HDMI_WRITE(0x1004, 0x1fd); - HDMI_WRITE(0x2000, 0x1); - HDMI_WRITE(0x2008, 0x0); - HDMI_WRITE(0x3130, 0x8); - HDMI_WRITE(0x101c, 0x1800810); - - temp = htotal_calculate(adjusted_mode); - REG_WRITE(htot_reg, temp); - REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) | ((adjusted_mode->crtc_hblank_end - 1) << 16)); - REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) | ((adjusted_mode->crtc_hsync_end - 1) << 16)); - REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) | ((adjusted_mode->crtc_vtotal - 1) << 16)); - REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) | ((adjusted_mode->crtc_vblank_end - 1) << 16)); - REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) | ((adjusted_mode->crtc_vsync_end - 1) << 16)); - REG_WRITE(pipesrc_reg, - ((mode->crtc_hdisplay - 1) << 16) | (mode->crtc_vdisplay - 1)); - - REG_WRITE(PCH_HTOTAL_B, (adjusted_mode->crtc_hdisplay - 1) | ((adjusted_mode->crtc_htotal - 1) << 16)); - REG_WRITE(PCH_HBLANK_B, (adjusted_mode->crtc_hblank_start - 1) | ((adjusted_mode->crtc_hblank_end - 1) << 16)); - REG_WRITE(PCH_HSYNC_B, (adjusted_mode->crtc_hsync_start - 1) | ((adjusted_mode->crtc_hsync_end - 1) << 16)); - REG_WRITE(PCH_VTOTAL_B, (adjusted_mode->crtc_vdisplay - 1) | ((adjusted_mode->crtc_vtotal - 1) << 16)); - REG_WRITE(PCH_VBLANK_B, (adjusted_mode->crtc_vblank_start - 1) | ((adjusted_mode->crtc_vblank_end - 1) << 16)); - REG_WRITE(PCH_VSYNC_B, (adjusted_mode->crtc_vsync_start - 1) | ((adjusted_mode->crtc_vsync_end - 1) << 16)); - REG_WRITE(PCH_PIPEBSRC, - ((mode->crtc_hdisplay - 1) << 16) | (mode->crtc_vdisplay - 1)); - - temp = adjusted_mode->crtc_hblank_end - adjusted_mode->crtc_hblank_start; - HDMI_WRITE(HDMI_HBLANK_A, ((adjusted_mode->crtc_hdisplay - 1) << 16) | temp); - - REG_WRITE(dspsize_reg, - ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1)); - REG_WRITE(dsppos_reg, 0); - - /* Flush the plane changes */ - { - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - crtc_funcs->mode_set_base(crtc, x, y, old_fb); - } - - /* Set up the display plane register */ - dspcntr = REG_READ(dspcntr_reg); - dspcntr |= DISPPLANE_GAMMA_ENABLE; - dspcntr |= DISPPLANE_SEL_PIPE_B; - dspcntr |= DISPLAY_PLANE_ENABLE; - - /* setup pipeconf */ - pipeconf = REG_READ(pipeconf_reg); - pipeconf |= PIPEACONF_ENABLE; - - REG_WRITE(pipeconf_reg, pipeconf); - REG_READ(pipeconf_reg); - - REG_WRITE(PCH_PIPEBCONF, pipeconf); - REG_READ(PCH_PIPEBCONF); - wait_for_vblank(dev); - - REG_WRITE(dspcntr_reg, dspcntr); - wait_for_vblank(dev); - - return 0; -} - -static int mrst_hdmi_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - if (mode->clock > 165000) - return MODE_CLOCK_HIGH; - if (mode->clock < 20000) - return MODE_CLOCK_LOW; - - if (mode->flags & DRM_MODE_FLAG_DBLSCAN) - return MODE_NO_DBLESCAN; - - return MODE_OK; -} - -static bool mrst_hdmi_mode_fixup(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - -static enum drm_connector_status -mrst_hdmi_detect(struct drm_connector *connector, bool force) -{ - enum drm_connector_status status; - struct drm_device *dev = connector->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv; - u32 temp; - - temp = HDMI_READ(HDMI_HSR); - DRM_DEBUG_KMS("HDMI_HSR %x\n", temp); - - if ((temp & HDMI_DETECT_HDP) != 0) - status = connector_status_connected; - else - status = connector_status_disconnected; - - return status; -} - -static const unsigned char raw_edid[] = { - 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x10, 0xac, 0x2f, 0xa0, - 0x53, 0x55, 0x33, 0x30, 0x16, 0x13, 0x01, 0x03, 0x0e, 0x3a, 0x24, 0x78, - 0xea, 0xe9, 0xf5, 0xac, 0x51, 0x30, 0xb4, 0x25, 0x11, 0x50, 0x54, 0xa5, - 0x4b, 0x00, 0x81, 0x80, 0xa9, 0x40, 0x71, 0x4f, 0xb3, 0x00, 0x01, 0x01, - 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x28, 0x3c, 0x80, 0xa0, 0x70, 0xb0, - 0x23, 0x40, 0x30, 0x20, 0x36, 0x00, 0x46, 0x6c, 0x21, 0x00, 0x00, 0x1a, - 0x00, 0x00, 0x00, 0xff, 0x00, 0x47, 0x4e, 0x37, 0x32, 0x31, 0x39, 0x35, - 0x52, 0x30, 0x33, 0x55, 0x53, 0x0a, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x44, - 0x45, 0x4c, 0x4c, 0x20, 0x32, 0x37, 0x30, 0x39, 0x57, 0x0a, 0x20, 0x20, - 0x00, 0x00, 0x00, 0xfd, 0x00, 0x38, 0x4c, 0x1e, 0x53, 0x11, 0x00, 0x0a, - 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, 0x8d -}; - -static int mrst_hdmi_get_modes(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - struct i2c_adapter *i2c_adap; - struct edid *edid; - struct drm_display_mode *mode, *t; - int i = 0, ret = 0; - - i2c_adap = i2c_get_adapter(3); - if (i2c_adap == NULL) { - DRM_ERROR("No ddc adapter available!\n"); - edid = (struct edid *)raw_edid; - } else { - edid = (struct edid *)raw_edid; - /* FIXME ? edid = drm_get_edid(connector, i2c_adap); */ - } - - if (edid) { - drm_mode_connector_update_edid_property(connector, edid); - ret = drm_add_edid_modes(connector, edid); - connector->display_info.raw_edid = NULL; - } - - /* - * prune modes that require frame buffer bigger than stolen mem - */ - list_for_each_entry_safe(mode, t, &connector->probed_modes, head) { - if ((mode->hdisplay * mode->vdisplay * 4) >= dev_priv->vram_stolen_size) { - i++; - drm_mode_remove(connector, mode); - } - } - return ret - i; -} - -static void mrst_hdmi_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct drm_device *dev = encoder->dev; - - mrst_hdmi_audio_enable(dev); - return; -} - -static void mrst_hdmi_destroy(struct drm_connector *connector) -{ - return; -} - -static const struct drm_encoder_helper_funcs mrst_hdmi_helper_funcs = { - .dpms = mrst_hdmi_dpms, - .mode_fixup = mrst_hdmi_mode_fixup, - .prepare = psb_intel_encoder_prepare, - .mode_set = mrst_hdmi_mode_set, - .commit = psb_intel_encoder_commit, -}; - -static const struct drm_connector_helper_funcs - mrst_hdmi_connector_helper_funcs = { - .get_modes = mrst_hdmi_get_modes, - .mode_valid = mrst_hdmi_mode_valid, - .best_encoder = psb_intel_best_encoder, -}; - -static const struct drm_connector_funcs mrst_hdmi_connector_funcs = { - .dpms = drm_helper_connector_dpms, - .detect = mrst_hdmi_detect, - .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = mrst_hdmi_destroy, -}; - -static void mrst_hdmi_enc_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs mrst_hdmi_enc_funcs = { - .destroy = mrst_hdmi_enc_destroy, -}; - -void mrst_hdmi_init(struct drm_device *dev, - struct psb_intel_mode_device *mode_dev) -{ - struct psb_intel_output *psb_intel_output; - struct drm_connector *connector; - struct drm_encoder *encoder; - - psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL); - if (!psb_intel_output) - return; - - psb_intel_output->mode_dev = mode_dev; - connector = &psb_intel_output->base; - encoder = &psb_intel_output->enc; - drm_connector_init(dev, &psb_intel_output->base, - &mrst_hdmi_connector_funcs, - DRM_MODE_CONNECTOR_DVID); - - drm_encoder_init(dev, &psb_intel_output->enc, - &mrst_hdmi_enc_funcs, - DRM_MODE_ENCODER_TMDS); - - drm_mode_connector_attach_encoder(&psb_intel_output->base, - &psb_intel_output->enc); - - psb_intel_output->type = INTEL_OUTPUT_HDMI; - drm_encoder_helper_add(encoder, &mrst_hdmi_helper_funcs); - drm_connector_helper_add(connector, &mrst_hdmi_connector_helper_funcs); - - connector->display_info.subpixel_order = SubPixelHorizontalRGB; - connector->interlace_allowed = false; - connector->doublescan_allowed = false; - drm_sysfs_connector_add(connector); - - return; -} - -static DEFINE_PCI_DEVICE_TABLE(hdmi_ids) = { - { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080d) }, - {} -}; - -void mrst_hdmi_setup(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct pci_dev *pdev; - struct mrst_hdmi_dev *hdmi_dev; - int ret; - - pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x080d, NULL); - if (!pdev) - return; - - hdmi_dev = kzalloc(sizeof(struct mrst_hdmi_dev), GFP_KERNEL); - if (!hdmi_dev) { - dev_err(dev->dev, "failed to allocate memory\n"); - goto out; - } - - - ret = pci_enable_device(pdev); - if (ret) { - dev_err(dev->dev, "failed to enable hdmi controller\n"); - goto free; - } - - hdmi_dev->mmio = pci_resource_start(pdev, 0); - hdmi_dev->mmio_len = pci_resource_len(pdev, 0); - hdmi_dev->regs = ioremap(hdmi_dev->mmio, hdmi_dev->mmio_len); - if (!hdmi_dev->regs) { - dev_err(dev->dev, "failed to map hdmi mmio\n"); - goto free; - } - - hdmi_dev->dev = pdev; - pci_set_drvdata(pdev, hdmi_dev); - - /* Initialize i2c controller */ - ret = mrst_hdmi_i2c_init(hdmi_dev->dev); - if (ret) - dev_err(dev->dev, "HDMI I2C initialization failed\n"); - - dev_priv->hdmi_priv = hdmi_dev; - mrst_hdmi_audio_disable(dev); - return; - -free: - kfree(hdmi_dev); -out: - return; -} - -void mrst_hdmi_teardown(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv; - struct pci_dev *pdev; - - if (hdmi_dev) { - pdev = hdmi_dev->dev; - pci_set_drvdata(pdev, NULL); - mrst_hdmi_i2c_exit(pdev); - iounmap(hdmi_dev->regs); - kfree(hdmi_dev); - pci_dev_put(pdev); - } -} - -/* save HDMI register state */ -void mrst_hdmi_save(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv; - int i; - - /* dpll */ - hdmi_dev->saveDPLL_CTRL = PSB_RVDC32(DPLL_CTRL); - hdmi_dev->saveDPLL_DIV_CTRL = PSB_RVDC32(DPLL_DIV_CTRL); - hdmi_dev->saveDPLL_ADJUST = PSB_RVDC32(DPLL_ADJUST); - hdmi_dev->saveDPLL_UPDATE = PSB_RVDC32(DPLL_UPDATE); - hdmi_dev->saveDPLL_CLK_ENABLE = PSB_RVDC32(DPLL_CLK_ENABLE); - - /* pipe B */ - dev_priv->savePIPEBCONF = PSB_RVDC32(PIPEBCONF); - dev_priv->savePIPEBSRC = PSB_RVDC32(PIPEBSRC); - dev_priv->saveHTOTAL_B = PSB_RVDC32(HTOTAL_B); - dev_priv->saveHBLANK_B = PSB_RVDC32(HBLANK_B); - dev_priv->saveHSYNC_B = PSB_RVDC32(HSYNC_B); - dev_priv->saveVTOTAL_B = PSB_RVDC32(VTOTAL_B); - dev_priv->saveVBLANK_B = PSB_RVDC32(VBLANK_B); - dev_priv->saveVSYNC_B = PSB_RVDC32(VSYNC_B); - - hdmi_dev->savePCH_PIPEBCONF = PSB_RVDC32(PCH_PIPEBCONF); - hdmi_dev->savePCH_PIPEBSRC = PSB_RVDC32(PCH_PIPEBSRC); - hdmi_dev->savePCH_HTOTAL_B = PSB_RVDC32(PCH_HTOTAL_B); - hdmi_dev->savePCH_HBLANK_B = PSB_RVDC32(PCH_HBLANK_B); - hdmi_dev->savePCH_HSYNC_B = PSB_RVDC32(PCH_HSYNC_B); - hdmi_dev->savePCH_VTOTAL_B = PSB_RVDC32(PCH_VTOTAL_B); - hdmi_dev->savePCH_VBLANK_B = PSB_RVDC32(PCH_VBLANK_B); - hdmi_dev->savePCH_VSYNC_B = PSB_RVDC32(PCH_VSYNC_B); - - /* plane */ - dev_priv->saveDSPBCNTR = PSB_RVDC32(DSPBCNTR); - dev_priv->saveDSPBSTRIDE = PSB_RVDC32(DSPBSTRIDE); - dev_priv->saveDSPBADDR = PSB_RVDC32(DSPBBASE); - dev_priv->saveDSPBSURF = PSB_RVDC32(DSPBSURF); - dev_priv->saveDSPBLINOFF = PSB_RVDC32(DSPBLINOFF); - dev_priv->saveDSPBTILEOFF = PSB_RVDC32(DSPBTILEOFF); - - /* cursor B */ - dev_priv->saveDSPBCURSOR_CTRL = PSB_RVDC32(CURBCNTR); - dev_priv->saveDSPBCURSOR_BASE = PSB_RVDC32(CURBBASE); - dev_priv->saveDSPBCURSOR_POS = PSB_RVDC32(CURBPOS); - - /* save palette */ - for (i = 0; i < 256; i++) - dev_priv->save_palette_b[i] = PSB_RVDC32(PALETTE_B + (i << 2)); -} - -/* restore HDMI register state */ -void mrst_hdmi_restore(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv; - int i; - - /* dpll */ - PSB_WVDC32(hdmi_dev->saveDPLL_CTRL, DPLL_CTRL); - PSB_WVDC32(hdmi_dev->saveDPLL_DIV_CTRL, DPLL_DIV_CTRL); - PSB_WVDC32(hdmi_dev->saveDPLL_ADJUST, DPLL_ADJUST); - PSB_WVDC32(hdmi_dev->saveDPLL_UPDATE, DPLL_UPDATE); - PSB_WVDC32(hdmi_dev->saveDPLL_CLK_ENABLE, DPLL_CLK_ENABLE); - DRM_UDELAY(150); - - /* pipe */ - PSB_WVDC32(dev_priv->savePIPEBSRC, PIPEBSRC); - PSB_WVDC32(dev_priv->saveHTOTAL_B, HTOTAL_B); - PSB_WVDC32(dev_priv->saveHBLANK_B, HBLANK_B); - PSB_WVDC32(dev_priv->saveHSYNC_B, HSYNC_B); - PSB_WVDC32(dev_priv->saveVTOTAL_B, VTOTAL_B); - PSB_WVDC32(dev_priv->saveVBLANK_B, VBLANK_B); - PSB_WVDC32(dev_priv->saveVSYNC_B, VSYNC_B); - - PSB_WVDC32(hdmi_dev->savePCH_PIPEBSRC, PCH_PIPEBSRC); - PSB_WVDC32(hdmi_dev->savePCH_HTOTAL_B, PCH_HTOTAL_B); - PSB_WVDC32(hdmi_dev->savePCH_HBLANK_B, PCH_HBLANK_B); - PSB_WVDC32(hdmi_dev->savePCH_HSYNC_B, PCH_HSYNC_B); - PSB_WVDC32(hdmi_dev->savePCH_VTOTAL_B, PCH_VTOTAL_B); - PSB_WVDC32(hdmi_dev->savePCH_VBLANK_B, PCH_VBLANK_B); - PSB_WVDC32(hdmi_dev->savePCH_VSYNC_B, PCH_VSYNC_B); - - PSB_WVDC32(dev_priv->savePIPEBCONF, PIPEBCONF); - PSB_WVDC32(hdmi_dev->savePCH_PIPEBCONF, PCH_PIPEBCONF); - - /* plane */ - PSB_WVDC32(dev_priv->saveDSPBLINOFF, DSPBLINOFF); - PSB_WVDC32(dev_priv->saveDSPBSTRIDE, DSPBSTRIDE); - PSB_WVDC32(dev_priv->saveDSPBTILEOFF, DSPBTILEOFF); - PSB_WVDC32(dev_priv->saveDSPBCNTR, DSPBCNTR); - PSB_WVDC32(dev_priv->saveDSPBSURF, DSPBSURF); - - /* cursor B */ - PSB_WVDC32(dev_priv->saveDSPBCURSOR_CTRL, CURBCNTR); - PSB_WVDC32(dev_priv->saveDSPBCURSOR_POS, CURBPOS); - PSB_WVDC32(dev_priv->saveDSPBCURSOR_BASE, CURBBASE); - - /* restore palette */ - for (i = 0; i < 256; i++) - PSB_WVDC32(dev_priv->save_palette_b[i], PALETTE_B + (i << 2)); -} diff --git a/drivers/staging/gma500/mrst_hdmi_i2c.c b/drivers/staging/gma500/mrst_hdmi_i2c.c deleted file mode 100644 index 36e7edc4d14c7b..00000000000000 --- a/drivers/staging/gma500/mrst_hdmi_i2c.c +++ /dev/null @@ -1,328 +0,0 @@ -/* - * Copyright © 2010 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * Li Peng <peng.li@intel.com> - */ - -#include <linux/mutex.h> -#include <linux/pci.h> -#include <linux/i2c.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/export.h> -#include "psb_drv.h" - -#define HDMI_READ(reg) readl(hdmi_dev->regs + (reg)) -#define HDMI_WRITE(reg, val) writel(val, hdmi_dev->regs + (reg)) - -#define HDMI_HCR 0x1000 -#define HCR_DETECT_HDP (1 << 6) -#define HCR_ENABLE_HDCP (1 << 5) -#define HCR_ENABLE_AUDIO (1 << 2) -#define HCR_ENABLE_PIXEL (1 << 1) -#define HCR_ENABLE_TMDS (1 << 0) -#define HDMI_HICR 0x1004 -#define HDMI_INTR_I2C_ERROR (1 << 4) -#define HDMI_INTR_I2C_FULL (1 << 3) -#define HDMI_INTR_I2C_DONE (1 << 2) -#define HDMI_INTR_HPD (1 << 0) -#define HDMI_HSR 0x1008 -#define HDMI_HISR 0x100C -#define HDMI_HI2CRDB0 0x1200 -#define HDMI_HI2CHCR 0x1240 -#define HI2C_HDCP_WRITE (0 << 2) -#define HI2C_HDCP_RI_READ (1 << 2) -#define HI2C_HDCP_READ (2 << 2) -#define HI2C_EDID_READ (3 << 2) -#define HI2C_READ_CONTINUE (1 << 1) -#define HI2C_ENABLE_TRANSACTION (1 << 0) - -#define HDMI_ICRH 0x1100 -#define HDMI_HI2CTDR0 0x1244 -#define HDMI_HI2CTDR1 0x1248 - -#define I2C_STAT_INIT 0 -#define I2C_READ_DONE 1 -#define I2C_TRANSACTION_DONE 2 - -struct hdmi_i2c_dev { - struct i2c_adapter *adap; - struct mutex i2c_lock; - struct completion complete; - int status; - struct i2c_msg *msg; - int buf_offset; -}; - -static void hdmi_i2c_irq_enable(struct mrst_hdmi_dev *hdmi_dev) -{ - u32 temp; - - temp = HDMI_READ(HDMI_HICR); - temp |= (HDMI_INTR_I2C_ERROR | HDMI_INTR_I2C_FULL | HDMI_INTR_I2C_DONE); - HDMI_WRITE(HDMI_HICR, temp); - HDMI_READ(HDMI_HICR); -} - -static void hdmi_i2c_irq_disable(struct mrst_hdmi_dev *hdmi_dev) -{ - HDMI_WRITE(HDMI_HICR, 0x0); - HDMI_READ(HDMI_HICR); -} - -static int xfer_read(struct i2c_adapter *adap, struct i2c_msg *pmsg) -{ - struct mrst_hdmi_dev *hdmi_dev = i2c_get_adapdata(adap); - struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev; - u32 temp; - - i2c_dev->status = I2C_STAT_INIT; - i2c_dev->msg = pmsg; - i2c_dev->buf_offset = 0; - INIT_COMPLETION(i2c_dev->complete); - - /* Enable I2C transaction */ - temp = ((pmsg->len) << 20) | HI2C_EDID_READ | HI2C_ENABLE_TRANSACTION; - HDMI_WRITE(HDMI_HI2CHCR, temp); - HDMI_READ(HDMI_HI2CHCR); - - while (i2c_dev->status != I2C_TRANSACTION_DONE) - wait_for_completion_interruptible_timeout(&i2c_dev->complete, - 10 * HZ); - - return 0; -} - -static int xfer_write(struct i2c_adapter *adap, struct i2c_msg *pmsg) -{ - /* - * XXX: i2c write seems isn't useful for EDID probe, don't do anything - */ - return 0; -} - -static int mrst_hdmi_i2c_access(struct i2c_adapter *adap, - struct i2c_msg *pmsg, - int num) -{ - struct mrst_hdmi_dev *hdmi_dev = i2c_get_adapdata(adap); - struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev; - int i, err = 0; - - mutex_lock(&i2c_dev->i2c_lock); - - /* Enable i2c unit */ - HDMI_WRITE(HDMI_ICRH, 0x00008760); - - /* Enable irq */ - hdmi_i2c_irq_enable(hdmi_dev); - for (i = 0; i < num; i++) { - if (pmsg->len && pmsg->buf) { - if (pmsg->flags & I2C_M_RD) - err = xfer_read(adap, pmsg); - else - err = xfer_write(adap, pmsg); - } - pmsg++; /* next message */ - } - - /* Disable irq */ - hdmi_i2c_irq_disable(hdmi_dev); - - mutex_unlock(&i2c_dev->i2c_lock); - - return i; -} - -static u32 mrst_hdmi_i2c_func(struct i2c_adapter *adapter) -{ - return I2C_FUNC_I2C | I2C_FUNC_10BIT_ADDR; -} - -static const struct i2c_algorithm mrst_hdmi_i2c_algorithm = { - .master_xfer = mrst_hdmi_i2c_access, - .functionality = mrst_hdmi_i2c_func, -}; - -static struct i2c_adapter mrst_hdmi_i2c_adapter = { - .name = "mrst_hdmi_i2c", - .nr = 3, - .owner = THIS_MODULE, - .class = I2C_CLASS_DDC, - .algo = &mrst_hdmi_i2c_algorithm, -}; - -static void hdmi_i2c_read(struct mrst_hdmi_dev *hdmi_dev) -{ - struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev; - struct i2c_msg *msg = i2c_dev->msg; - u8 *buf = msg->buf; - u32 temp; - int i, offset; - - offset = i2c_dev->buf_offset; - for (i = 0; i < 0x10; i++) { - temp = HDMI_READ(HDMI_HI2CRDB0 + (i * 4)); - memcpy(buf + (offset + i * 4), &temp, 4); - } - i2c_dev->buf_offset += (0x10 * 4); - - /* clearing read buffer full intr */ - temp = HDMI_READ(HDMI_HISR); - HDMI_WRITE(HDMI_HISR, temp | HDMI_INTR_I2C_FULL); - HDMI_READ(HDMI_HISR); - - /* continue read transaction */ - temp = HDMI_READ(HDMI_HI2CHCR); - HDMI_WRITE(HDMI_HI2CHCR, temp | HI2C_READ_CONTINUE); - HDMI_READ(HDMI_HI2CHCR); - - i2c_dev->status = I2C_READ_DONE; - return; -} - -static void hdmi_i2c_transaction_done(struct mrst_hdmi_dev *hdmi_dev) -{ - struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev; - u32 temp; - - /* clear transaction done intr */ - temp = HDMI_READ(HDMI_HISR); - HDMI_WRITE(HDMI_HISR, temp | HDMI_INTR_I2C_DONE); - HDMI_READ(HDMI_HISR); - - - temp = HDMI_READ(HDMI_HI2CHCR); - HDMI_WRITE(HDMI_HI2CHCR, temp & ~HI2C_ENABLE_TRANSACTION); - HDMI_READ(HDMI_HI2CHCR); - - i2c_dev->status = I2C_TRANSACTION_DONE; - return; -} - -static irqreturn_t mrst_hdmi_i2c_handler(int this_irq, void *dev) -{ - struct mrst_hdmi_dev *hdmi_dev = dev; - struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev; - u32 stat; - - stat = HDMI_READ(HDMI_HISR); - - if (stat & HDMI_INTR_HPD) { - HDMI_WRITE(HDMI_HISR, stat | HDMI_INTR_HPD); - HDMI_READ(HDMI_HISR); - } - - if (stat & HDMI_INTR_I2C_FULL) - hdmi_i2c_read(hdmi_dev); - - if (stat & HDMI_INTR_I2C_DONE) - hdmi_i2c_transaction_done(hdmi_dev); - - complete(&i2c_dev->complete); - - return IRQ_HANDLED; -} - -/* - * choose alternate function 2 of GPIO pin 52, 53, - * which is used by HDMI I2C logic - */ -static void mrst_hdmi_i2c_gpio_fix(void) -{ - void *base; - unsigned int gpio_base = 0xff12c000; - int gpio_len = 0x1000; - u32 temp; - - base = ioremap((resource_size_t)gpio_base, gpio_len); - if (base == NULL) { - DRM_ERROR("gpio ioremap fail\n"); - return; - } - - temp = readl(base + 0x44); - DRM_DEBUG_DRIVER("old gpio val %x\n", temp); - writel((temp | 0x00000a00), (base + 0x44)); - temp = readl(base + 0x44); - DRM_DEBUG_DRIVER("new gpio val %x\n", temp); - - iounmap(base); -} - -int mrst_hdmi_i2c_init(struct pci_dev *dev) -{ - struct mrst_hdmi_dev *hdmi_dev; - struct hdmi_i2c_dev *i2c_dev; - int ret; - - hdmi_dev = pci_get_drvdata(dev); - - i2c_dev = kzalloc(sizeof(struct hdmi_i2c_dev), GFP_KERNEL); - if (i2c_dev == NULL) { - DRM_ERROR("Can't allocate interface\n"); - ret = -ENOMEM; - goto exit; - } - - i2c_dev->adap = &mrst_hdmi_i2c_adapter; - i2c_dev->status = I2C_STAT_INIT; - init_completion(&i2c_dev->complete); - mutex_init(&i2c_dev->i2c_lock); - i2c_set_adapdata(&mrst_hdmi_i2c_adapter, hdmi_dev); - hdmi_dev->i2c_dev = i2c_dev; - - /* Enable HDMI I2C function on gpio */ - mrst_hdmi_i2c_gpio_fix(); - - /* request irq */ - ret = request_irq(dev->irq, mrst_hdmi_i2c_handler, IRQF_SHARED, - mrst_hdmi_i2c_adapter.name, hdmi_dev); - if (ret) { - DRM_ERROR("Failed to request IRQ for I2C controller\n"); - goto err; - } - - /* Adapter registration */ - ret = i2c_add_numbered_adapter(&mrst_hdmi_i2c_adapter); - return ret; - -err: - kfree(i2c_dev); -exit: - return ret; -} - -void mrst_hdmi_i2c_exit(struct pci_dev *dev) -{ - struct mrst_hdmi_dev *hdmi_dev; - struct hdmi_i2c_dev *i2c_dev; - - hdmi_dev = pci_get_drvdata(dev); - if (i2c_del_adapter(&mrst_hdmi_i2c_adapter)) - DRM_DEBUG_DRIVER("Failed to delete hdmi-i2c adapter\n"); - - i2c_dev = hdmi_dev->i2c_dev; - kfree(i2c_dev); - free_irq(dev->irq, hdmi_dev); -} diff --git a/drivers/staging/gma500/mrst_lvds.c b/drivers/staging/gma500/mrst_lvds.c deleted file mode 100644 index e7999a2a3796c2..00000000000000 --- a/drivers/staging/gma500/mrst_lvds.c +++ /dev/null @@ -1,407 +0,0 @@ -/* - * Copyright © 2006-2009 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: - * Eric Anholt <eric@anholt.net> - * Dave Airlie <airlied@linux.ie> - * Jesse Barnes <jesse.barnes@intel.com> - */ - -#include <linux/i2c.h> -#include <drm/drmP.h> -#include <asm/mrst.h> - -#include "intel_bios.h" -#include "psb_drv.h" -#include "psb_intel_drv.h" -#include "psb_intel_reg.h" -#include "power.h" -#include <linux/pm_runtime.h> - -/* The max/min PWM frequency in BPCR[31:17] - */ -/* The smallest number is 1 (not 0) that can fit in the - * 15-bit field of the and then*/ -/* shifts to the left by one bit to get the actual 16-bit - * value that the 15-bits correspond to.*/ -#define MRST_BLC_MAX_PWM_REG_FREQ 0xFFFF -#define BRIGHTNESS_MAX_LEVEL 100 - -/** - * Sets the power state for the panel. - */ -static void mrst_lvds_set_power(struct drm_device *dev, - struct psb_intel_output *output, bool on) -{ - u32 pp_status; - struct drm_psb_private *dev_priv = dev->dev_private; - - if (!gma_power_begin(dev, true)) - return; - - if (on) { - REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) | - POWER_TARGET_ON); - do { - pp_status = REG_READ(PP_STATUS); - } while ((pp_status & (PP_ON | PP_READY)) == PP_READY); - dev_priv->is_lvds_on = true; - if (dev_priv->ops->lvds_bl_power) - dev_priv->ops->lvds_bl_power(dev, true); - } else { - if (dev_priv->ops->lvds_bl_power) - dev_priv->ops->lvds_bl_power(dev, false); - REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) & - ~POWER_TARGET_ON); - do { - pp_status = REG_READ(PP_STATUS); - } while (pp_status & PP_ON); - dev_priv->is_lvds_on = false; - pm_request_idle(&dev->pdev->dev); - } - gma_power_end(dev); -} - -static void mrst_lvds_dpms(struct drm_encoder *encoder, int mode) -{ - struct drm_device *dev = encoder->dev; - struct psb_intel_output *output = enc_to_psb_intel_output(encoder); - - if (mode == DRM_MODE_DPMS_ON) - mrst_lvds_set_power(dev, output, true); - else - mrst_lvds_set_power(dev, output, false); - - /* XXX: We never power down the LVDS pairs. */ -} - -static void mrst_lvds_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct psb_intel_mode_device *mode_dev = - enc_to_psb_intel_output(encoder)->mode_dev; - struct drm_device *dev = encoder->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - u32 lvds_port; - uint64_t v = DRM_MODE_SCALE_FULLSCREEN; - - if (!gma_power_begin(dev, true)) - return; - - /* - * The LVDS pin pair will already have been turned on in the - * psb_intel_crtc_mode_set since it has a large impact on the DPLL - * settings. - */ - lvds_port = (REG_READ(LVDS) & - (~LVDS_PIPEB_SELECT)) | - LVDS_PORT_EN | - LVDS_BORDER_EN; - - /* If the firmware says dither on Moorestown, or the BIOS does - on Oaktrail then enable dithering */ - if (mode_dev->panel_wants_dither || dev_priv->lvds_dither) - lvds_port |= MRST_PANEL_8TO6_DITHER_ENABLE; - - REG_WRITE(LVDS, lvds_port); - - drm_connector_property_get_value( - &enc_to_psb_intel_output(encoder)->base, - dev->mode_config.scaling_mode_property, - &v); - - if (v == DRM_MODE_SCALE_NO_SCALE) - REG_WRITE(PFIT_CONTROL, 0); - else if (v == DRM_MODE_SCALE_ASPECT) { - if ((mode->vdisplay != adjusted_mode->crtc_vdisplay) || - (mode->hdisplay != adjusted_mode->crtc_hdisplay)) { - if ((adjusted_mode->crtc_hdisplay * mode->vdisplay) == - (mode->hdisplay * adjusted_mode->crtc_vdisplay)) - REG_WRITE(PFIT_CONTROL, PFIT_ENABLE); - else if ((adjusted_mode->crtc_hdisplay * - mode->vdisplay) > (mode->hdisplay * - adjusted_mode->crtc_vdisplay)) - REG_WRITE(PFIT_CONTROL, PFIT_ENABLE | - PFIT_SCALING_MODE_PILLARBOX); - else - REG_WRITE(PFIT_CONTROL, PFIT_ENABLE | - PFIT_SCALING_MODE_LETTERBOX); - } else - REG_WRITE(PFIT_CONTROL, PFIT_ENABLE); - } else /*(v == DRM_MODE_SCALE_FULLSCREEN)*/ - REG_WRITE(PFIT_CONTROL, PFIT_ENABLE); - - gma_power_end(dev); -} - -static void mrst_lvds_prepare(struct drm_encoder *encoder) -{ - struct drm_device *dev = encoder->dev; - struct psb_intel_output *output = enc_to_psb_intel_output(encoder); - struct psb_intel_mode_device *mode_dev = output->mode_dev; - - if (!gma_power_begin(dev, true)) - return; - - mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL); - mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL & - BACKLIGHT_DUTY_CYCLE_MASK); - mrst_lvds_set_power(dev, output, false); - gma_power_end(dev); -} - -static u32 mrst_lvds_get_max_backlight(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - u32 ret; - - if (gma_power_begin(dev, false)) { - ret = ((REG_READ(BLC_PWM_CTL) & - BACKLIGHT_MODULATION_FREQ_MASK) >> - BACKLIGHT_MODULATION_FREQ_SHIFT) * 2; - - gma_power_end(dev); - } else - ret = ((dev_priv->saveBLC_PWM_CTL & - BACKLIGHT_MODULATION_FREQ_MASK) >> - BACKLIGHT_MODULATION_FREQ_SHIFT) * 2; - - return ret; -} - -static void mrst_lvds_commit(struct drm_encoder *encoder) -{ - struct drm_device *dev = encoder->dev; - struct psb_intel_output *output = enc_to_psb_intel_output(encoder); - struct psb_intel_mode_device *mode_dev = output->mode_dev; - - if (mode_dev->backlight_duty_cycle == 0) - mode_dev->backlight_duty_cycle = - mrst_lvds_get_max_backlight(dev); - mrst_lvds_set_power(dev, output, true); -} - -static const struct drm_encoder_helper_funcs mrst_lvds_helper_funcs = { - .dpms = mrst_lvds_dpms, - .mode_fixup = psb_intel_lvds_mode_fixup, - .prepare = mrst_lvds_prepare, - .mode_set = mrst_lvds_mode_set, - .commit = mrst_lvds_commit, -}; - -static struct drm_display_mode lvds_configuration_modes[] = { - /* hard coded fixed mode for TPO LTPS LPJ040K001A */ - { DRM_MODE("800x480", DRM_MODE_TYPE_DRIVER, 33264, 800, 836, - 846, 1056, 0, 480, 489, 491, 525, 0, 0) }, - /* hard coded fixed mode for LVDS 800x480 */ - { DRM_MODE("800x480", DRM_MODE_TYPE_DRIVER, 30994, 800, 801, - 802, 1024, 0, 480, 481, 482, 525, 0, 0) }, - /* hard coded fixed mode for Samsung 480wsvga LVDS 1024x600@75 */ - { DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 53990, 1024, 1072, - 1104, 1184, 0, 600, 603, 604, 608, 0, 0) }, - /* hard coded fixed mode for Samsung 480wsvga LVDS 1024x600@75 */ - { DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 53990, 1024, 1104, - 1136, 1184, 0, 600, 603, 604, 608, 0, 0) }, - /* hard coded fixed mode for Sharp wsvga LVDS 1024x600 */ - { DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 48885, 1024, 1124, - 1204, 1312, 0, 600, 607, 610, 621, 0, 0) }, - /* hard coded fixed mode for LVDS 1024x768 */ - { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, - 1184, 1344, 0, 768, 771, 777, 806, 0, 0) }, - /* hard coded fixed mode for LVDS 1366x768 */ - { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 77500, 1366, 1430, - 1558, 1664, 0, 768, 769, 770, 776, 0, 0) }, -}; - -/* Returns the panel fixed mode from configuration. */ - -static struct drm_display_mode * -mrst_lvds_get_configuration_mode(struct drm_device *dev) -{ - struct drm_display_mode *mode = NULL; - struct drm_psb_private *dev_priv = dev->dev_private; - struct mrst_timing_info *ti = &dev_priv->gct_data.DTD; - - if (dev_priv->vbt_data.size != 0x00) { /*if non-zero, then use vbt*/ - mode = kzalloc(sizeof(*mode), GFP_KERNEL); - if (!mode) - return NULL; - - mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo; - mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo; - mode->hsync_start = mode->hdisplay + \ - ((ti->hsync_offset_hi << 8) | \ - ti->hsync_offset_lo); - mode->hsync_end = mode->hsync_start + \ - ((ti->hsync_pulse_width_hi << 8) | \ - ti->hsync_pulse_width_lo); - mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \ - ti->hblank_lo); - mode->vsync_start = \ - mode->vdisplay + ((ti->vsync_offset_hi << 4) | \ - ti->vsync_offset_lo); - mode->vsync_end = \ - mode->vsync_start + ((ti->vsync_pulse_width_hi << 4) | \ - ti->vsync_pulse_width_lo); - mode->vtotal = mode->vdisplay + \ - ((ti->vblank_hi << 8) | ti->vblank_lo); - mode->clock = ti->pixel_clock * 10; -#if 0 - printk(KERN_INFO "hdisplay is %d\n", mode->hdisplay); - printk(KERN_INFO "vdisplay is %d\n", mode->vdisplay); - printk(KERN_INFO "HSS is %d\n", mode->hsync_start); - printk(KERN_INFO "HSE is %d\n", mode->hsync_end); - printk(KERN_INFO "htotal is %d\n", mode->htotal); - printk(KERN_INFO "VSS is %d\n", mode->vsync_start); - printk(KERN_INFO "VSE is %d\n", mode->vsync_end); - printk(KERN_INFO "vtotal is %d\n", mode->vtotal); - printk(KERN_INFO "clock is %d\n", mode->clock); -#endif - } else - mode = drm_mode_duplicate(dev, &lvds_configuration_modes[2]); - - drm_mode_set_name(mode); - drm_mode_set_crtcinfo(mode, 0); - - return mode; -} - -/** - * mrst_lvds_init - setup LVDS connectors on this device - * @dev: drm device - * - * Create the connector, register the LVDS DDC bus, and try to figure out what - * modes we can display on the LVDS panel (if present). - */ -void mrst_lvds_init(struct drm_device *dev, - struct psb_intel_mode_device *mode_dev) -{ - struct psb_intel_output *psb_intel_output; - struct drm_connector *connector; - struct drm_encoder *encoder; - struct drm_psb_private *dev_priv = - (struct drm_psb_private *) dev->dev_private; - struct edid *edid; - int ret = 0; - struct i2c_adapter *i2c_adap; - struct drm_display_mode *scan; /* *modes, *bios_mode; */ - - psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL); - if (!psb_intel_output) - return; - - psb_intel_output->mode_dev = mode_dev; - connector = &psb_intel_output->base; - encoder = &psb_intel_output->enc; - dev_priv->is_lvds_on = true; - drm_connector_init(dev, &psb_intel_output->base, - &psb_intel_lvds_connector_funcs, - DRM_MODE_CONNECTOR_LVDS); - - drm_encoder_init(dev, &psb_intel_output->enc, &psb_intel_lvds_enc_funcs, - DRM_MODE_ENCODER_LVDS); - - drm_mode_connector_attach_encoder(&psb_intel_output->base, - &psb_intel_output->enc); - psb_intel_output->type = INTEL_OUTPUT_LVDS; - - drm_encoder_helper_add(encoder, &mrst_lvds_helper_funcs); - drm_connector_helper_add(connector, - &psb_intel_lvds_connector_helper_funcs); - connector->display_info.subpixel_order = SubPixelHorizontalRGB; - connector->interlace_allowed = false; - connector->doublescan_allowed = false; - - drm_connector_attach_property(connector, - dev->mode_config.scaling_mode_property, - DRM_MODE_SCALE_FULLSCREEN); - drm_connector_attach_property(connector, - dev_priv->backlight_property, - BRIGHTNESS_MAX_LEVEL); - - mode_dev->panel_wants_dither = false; - if (dev_priv->vbt_data.size != 0x00) - mode_dev->panel_wants_dither = (dev_priv->gct_data. - Panel_Port_Control & MRST_PANEL_8TO6_DITHER_ENABLE); - - /* - * LVDS discovery: - * 1) check for EDID on DDC - * 2) check for VBT data - * 3) check to see if LVDS is already on - * if none of the above, no panel - * 4) make sure lid is open - * if closed, act like it's not there for now - */ - - i2c_adap = i2c_get_adapter(dev_priv->ops->i2c_bus); - - if (i2c_adap == NULL) - dev_err(dev->dev, "No ddc adapter available!\n"); - /* - * Attempt to get the fixed panel mode from DDC. Assume that the - * preferred mode is the right one. - */ - if (i2c_adap) { - edid = drm_get_edid(connector, i2c_adap); - if (edid) { - drm_mode_connector_update_edid_property(connector, - edid); - ret = drm_add_edid_modes(connector, edid); - kfree(edid); - } - - list_for_each_entry(scan, &connector->probed_modes, head) { - if (scan->type & DRM_MODE_TYPE_PREFERRED) { - mode_dev->panel_fixed_mode = - drm_mode_duplicate(dev, scan); - goto out; /* FIXME: check for quirks */ - } - } - } - /* - * If we didn't get EDID, try geting panel timing - * from configuration data - */ - mode_dev->panel_fixed_mode = mrst_lvds_get_configuration_mode(dev); - - if (mode_dev->panel_fixed_mode) { - mode_dev->panel_fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; - goto out; /* FIXME: check for quirks */ - } - - /* If we still don't have a mode after all that, give up. */ - if (!mode_dev->panel_fixed_mode) { - dev_err(dev->dev, "Found no modes on the lvds, ignoring the LVDS\n"); - goto failed_find; - } - -out: - drm_sysfs_connector_add(connector); - return; - -failed_find: - dev_dbg(dev->dev, "No LVDS modes found, disabling.\n"); - if (psb_intel_output->ddc_bus) - psb_intel_i2c_destroy(psb_intel_output->ddc_bus); - -/* failed_ddc: */ - - drm_encoder_cleanup(encoder); - drm_connector_cleanup(connector); - kfree(connector); -} - diff --git a/drivers/staging/gma500/power.c b/drivers/staging/gma500/power.c deleted file mode 100644 index 408257038335ac..00000000000000 --- a/drivers/staging/gma500/power.c +++ /dev/null @@ -1,318 +0,0 @@ -/************************************************************************** - * Copyright (c) 2009-2011, Intel Corporation. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Authors: - * Benjamin Defnet <benjamin.r.defnet@intel.com> - * Rajesh Poornachandran <rajesh.poornachandran@intel.com> - * Massively reworked - * Alan Cox <alan@linux.intel.com> - */ - -#include "power.h" -#include "psb_drv.h" -#include "psb_reg.h" -#include "psb_intel_reg.h" -#include <linux/mutex.h> -#include <linux/pm_runtime.h> - -static struct mutex power_mutex; /* Serialize power ops */ -static spinlock_t power_ctrl_lock; /* Serialize power claim */ - -/** - * gma_power_init - initialise power manager - * @dev: our device - * - * Set up for power management tracking of our hardware. - */ -void gma_power_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - /* FIXME: Move APM/OSPM base into relevant device code */ - dev_priv->apm_base = dev_priv->apm_reg & 0xffff; - dev_priv->ospm_base &= 0xffff; - - dev_priv->display_power = true; /* We start active */ - dev_priv->display_count = 0; /* Currently no users */ - dev_priv->suspended = false; /* And not suspended */ - spin_lock_init(&power_ctrl_lock); - mutex_init(&power_mutex); - - dev_priv->ops->init_pm(dev); -} - -/** - * gma_power_uninit - end power manager - * @dev: device to end for - * - * Undo the effects of gma_power_init - */ -void gma_power_uninit(struct drm_device *dev) -{ - pm_runtime_disable(&dev->pdev->dev); - pm_runtime_set_suspended(&dev->pdev->dev); -} - -/** - * gma_suspend_display - suspend the display logic - * @dev: our DRM device - * - * Suspend the display logic of the graphics interface - */ -static void gma_suspend_display(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - if (!dev_priv->display_power) - return; - dev_priv->ops->save_regs(dev); - dev_priv->ops->power_down(dev); - dev_priv->display_power = false; -} - -/** - * gma_resume_display - resume display side logic - * - * Resume the display hardware restoring state and enabling - * as necessary. - */ -static void gma_resume_display(struct pci_dev *pdev) -{ - struct drm_device *dev = pci_get_drvdata(pdev); - struct drm_psb_private *dev_priv = dev->dev_private; - - if (dev_priv->display_power) - return; - - /* turn on the display power island */ - dev_priv->ops->power_up(dev); - dev_priv->suspended = false; - dev_priv->display_power = true; - - PSB_WVDC32(dev_priv->pge_ctl | _PSB_PGETBL_ENABLED, PSB_PGETBL_CTL); - pci_write_config_word(pdev, PSB_GMCH_CTRL, - dev_priv->gmch_ctrl | _PSB_GMCH_ENABLED); - dev_priv->ops->restore_regs(dev); -} - -/** - * gma_suspend_pci - suspend PCI side - * @pdev: PCI device - * - * Perform the suspend processing on our PCI device state - */ -static void gma_suspend_pci(struct pci_dev *pdev) -{ - struct drm_device *dev = pci_get_drvdata(pdev); - struct drm_psb_private *dev_priv = dev->dev_private; - int bsm, vbt; - - if (dev_priv->suspended) - return; - - pci_save_state(pdev); - pci_read_config_dword(pdev, 0x5C, &bsm); - dev_priv->saveBSM = bsm; - pci_read_config_dword(pdev, 0xFC, &vbt); - dev_priv->saveVBT = vbt; - pci_read_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, &dev_priv->msi_addr); - pci_read_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, &dev_priv->msi_data); - - pci_disable_device(pdev); - pci_set_power_state(pdev, PCI_D3hot); - - dev_priv->suspended = true; -} - -/** - * gma_resume_pci - resume helper - * @dev: our PCI device - * - * Perform the resume processing on our PCI device state - rewrite - * register state and re-enable the PCI device - */ -static bool gma_resume_pci(struct pci_dev *pdev) -{ - struct drm_device *dev = pci_get_drvdata(pdev); - struct drm_psb_private *dev_priv = dev->dev_private; - int ret; - - if (!dev_priv->suspended) - return true; - - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - pci_write_config_dword(pdev, 0x5c, dev_priv->saveBSM); - pci_write_config_dword(pdev, 0xFC, dev_priv->saveVBT); - /* restoring MSI address and data in PCIx space */ - pci_write_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, dev_priv->msi_addr); - pci_write_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, dev_priv->msi_data); - ret = pci_enable_device(pdev); - - if (ret != 0) - dev_err(&pdev->dev, "pci_enable failed: %d\n", ret); - else - dev_priv->suspended = false; - return !dev_priv->suspended; -} - -/** - * gma_power_suspend - bus callback for suspend - * @pdev: our PCI device - * @state: suspend type - * - * Called back by the PCI layer during a suspend of the system. We - * perform the necessary shut down steps and save enough state that - * we can undo this when resume is called. - */ -int gma_power_suspend(struct device *_dev) -{ - struct pci_dev *pdev = container_of(_dev, struct pci_dev, dev); - struct drm_device *dev = pci_get_drvdata(pdev); - struct drm_psb_private *dev_priv = dev->dev_private; - - mutex_lock(&power_mutex); - if (!dev_priv->suspended) { - if (dev_priv->display_count) { - mutex_unlock(&power_mutex); - return -EBUSY; - } - psb_irq_uninstall(dev); - gma_suspend_display(dev); - gma_suspend_pci(pdev); - } - mutex_unlock(&power_mutex); - return 0; -} - -/** - * gma_power_resume - resume power - * @pdev: PCI device - * - * Resume the PCI side of the graphics and then the displays - */ -int gma_power_resume(struct device *_dev) -{ - struct pci_dev *pdev = container_of(_dev, struct pci_dev, dev); - struct drm_device *dev = pci_get_drvdata(pdev); - - mutex_lock(&power_mutex); - gma_resume_pci(pdev); - gma_resume_display(pdev); - psb_irq_preinstall(dev); - psb_irq_postinstall(dev); - mutex_unlock(&power_mutex); - return 0; -} - -/** - * gma_power_is_on - returne true if power is on - * @dev: our DRM device - * - * Returns true if the display island power is on at this moment - */ -bool gma_power_is_on(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - return dev_priv->display_power; -} - -/** - * gma_power_begin - begin requiring power - * @dev: our DRM device - * @force_on: true to force power on - * - * Begin an action that requires the display power island is enabled. - * We refcount the islands. - */ -bool gma_power_begin(struct drm_device *dev, bool force_on) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - int ret; - unsigned long flags; - - spin_lock_irqsave(&power_ctrl_lock, flags); - /* Power already on ? */ - if (dev_priv->display_power) { - dev_priv->display_count++; - pm_runtime_get(&dev->pdev->dev); - spin_unlock_irqrestore(&power_ctrl_lock, flags); - return true; - } - if (force_on == false) - goto out_false; - - /* Ok power up needed */ - ret = gma_resume_pci(dev->pdev); - if (ret == 0) { - /* FIXME: we want to defer this for Medfield/Oaktrail */ - gma_resume_display(dev->pdev); - psb_irq_preinstall(dev); - psb_irq_postinstall(dev); - pm_runtime_get(&dev->pdev->dev); - dev_priv->display_count++; - spin_unlock_irqrestore(&power_ctrl_lock, flags); - return true; - } -out_false: - spin_unlock_irqrestore(&power_ctrl_lock, flags); - return false; -} - -/** - * gma_power_end - end use of power - * @dev: Our DRM device - * - * Indicate that one of our gma_power_begin() requested periods when - * the diplay island power is needed has completed. - */ -void gma_power_end(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - unsigned long flags; - spin_lock_irqsave(&power_ctrl_lock, flags); - dev_priv->display_count--; - WARN_ON(dev_priv->display_count < 0); - spin_unlock_irqrestore(&power_ctrl_lock, flags); - pm_runtime_put(&dev->pdev->dev); -} - -int psb_runtime_suspend(struct device *dev) -{ - return gma_power_suspend(dev); -} - -int psb_runtime_resume(struct device *dev) -{ - return gma_power_resume(dev);; -} - -int psb_runtime_idle(struct device *dev) -{ - struct drm_device *drmdev = pci_get_drvdata(to_pci_dev(dev)); - struct drm_psb_private *dev_priv = drmdev->dev_private; - if (dev_priv->display_count) - return 0; - else - return 1; -} diff --git a/drivers/staging/gma500/power.h b/drivers/staging/gma500/power.h deleted file mode 100644 index 1969d2ecb32848..00000000000000 --- a/drivers/staging/gma500/power.h +++ /dev/null @@ -1,67 +0,0 @@ -/************************************************************************** - * Copyright (c) 2009-2011, Intel Corporation. - * All Rights Reserved. - - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Authors: - * Benjamin Defnet <benjamin.r.defnet@intel.com> - * Rajesh Poornachandran <rajesh.poornachandran@intel.com> - * Massively reworked - * Alan Cox <alan@linux.intel.com> - */ -#ifndef _PSB_POWERMGMT_H_ -#define _PSB_POWERMGMT_H_ - -#include <linux/pci.h> -#include <drm/drmP.h> - -void gma_power_init(struct drm_device *dev); -void gma_power_uninit(struct drm_device *dev); - -/* - * The kernel bus power management will call these functions - */ -int gma_power_suspend(struct device *dev); -int gma_power_resume(struct device *dev); - -/* - * These are the functions the driver should use to wrap all hw access - * (i.e. register reads and writes) - */ -bool gma_power_begin(struct drm_device *dev, bool force); -void gma_power_end(struct drm_device *dev); - -/* - * Use this function to do an instantaneous check for if the hw is on. - * Only use this in cases where you know the mutex is already held such - * as in irq install/uninstall and you need to - * prevent a deadlock situation. Otherwise use gma_power_begin(). - */ -bool gma_power_is_on(struct drm_device *dev); - -/* - * GFX-Runtime PM callbacks - */ -int psb_runtime_suspend(struct device *dev); -int psb_runtime_resume(struct device *dev); -int psb_runtime_idle(struct device *dev); - -#endif /*_PSB_POWERMGMT_H_*/ diff --git a/drivers/staging/gma500/psb_device.c b/drivers/staging/gma500/psb_device.c deleted file mode 100644 index b97aa78519f27d..00000000000000 --- a/drivers/staging/gma500/psb_device.c +++ /dev/null @@ -1,321 +0,0 @@ -/************************************************************************** - * Copyright (c) 2011, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - **************************************************************************/ - -#include <linux/backlight.h> -#include <drm/drmP.h> -#include <drm/drm.h> -#include "psb_drm.h" -#include "psb_drv.h" -#include "psb_reg.h" -#include "psb_intel_reg.h" -#include "intel_bios.h" - - -static int psb_output_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - psb_intel_lvds_init(dev, &dev_priv->mode_dev); - psb_intel_sdvo_init(dev, SDVOB); - return 0; -} - -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - -/* - * Poulsbo Backlight Interfaces - */ - -#define BLC_PWM_PRECISION_FACTOR 100 /* 10000000 */ -#define BLC_PWM_FREQ_CALC_CONSTANT 32 -#define MHz 1000000 - -#define PSB_BLC_PWM_PRECISION_FACTOR 10 -#define PSB_BLC_MAX_PWM_REG_FREQ 0xFFFE -#define PSB_BLC_MIN_PWM_REG_FREQ 0x2 - -#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE) -#define PSB_BACKLIGHT_PWM_CTL_SHIFT (16) - -static int psb_brightness; -static struct backlight_device *psb_backlight_device; - -static int psb_get_brightness(struct backlight_device *bd) -{ - /* return locally cached var instead of HW read (due to DPST etc.) */ - /* FIXME: ideally return actual value in case firmware fiddled with - it */ - return psb_brightness; -} - - -static int psb_backlight_setup(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - unsigned long core_clock; - /* u32 bl_max_freq; */ - /* unsigned long value; */ - u16 bl_max_freq; - uint32_t value; - uint32_t blc_pwm_precision_factor; - - /* get bl_max_freq and pol from dev_priv*/ - if (!dev_priv->lvds_bl) { - dev_err(dev->dev, "Has no valid LVDS backlight info\n"); - return -ENOENT; - } - bl_max_freq = dev_priv->lvds_bl->freq; - blc_pwm_precision_factor = PSB_BLC_PWM_PRECISION_FACTOR; - - core_clock = dev_priv->core_freq; - - value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT; - value *= blc_pwm_precision_factor; - value /= bl_max_freq; - value /= blc_pwm_precision_factor; - - if (value > (unsigned long long)PSB_BLC_MAX_PWM_REG_FREQ || - value < (unsigned long long)PSB_BLC_MIN_PWM_REG_FREQ) - return -ERANGE; - else { - value &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR; - REG_WRITE(BLC_PWM_CTL, - (value << PSB_BACKLIGHT_PWM_CTL_SHIFT) | (value)); - } - return 0; -} - -static int psb_set_brightness(struct backlight_device *bd) -{ - struct drm_device *dev = bl_get_data(psb_backlight_device); - int level = bd->props.brightness; - - /* Percentage 1-100% being valid */ - if (level < 1) - level = 1; - - psb_intel_lvds_set_brightness(dev, level); - psb_brightness = level; - return 0; -} - -static const struct backlight_ops psb_ops = { - .get_brightness = psb_get_brightness, - .update_status = psb_set_brightness, -}; - -static int psb_backlight_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - int ret; - struct backlight_properties props; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.max_brightness = 100; - props.type = BACKLIGHT_PLATFORM; - - psb_backlight_device = backlight_device_register("psb-bl", - NULL, (void *)dev, &psb_ops, &props); - if (IS_ERR(psb_backlight_device)) - return PTR_ERR(psb_backlight_device); - - ret = psb_backlight_setup(dev); - if (ret < 0) { - backlight_device_unregister(psb_backlight_device); - psb_backlight_device = NULL; - return ret; - } - psb_backlight_device->props.brightness = 100; - psb_backlight_device->props.max_brightness = 100; - backlight_update_status(psb_backlight_device); - dev_priv->backlight_device = psb_backlight_device; - return 0; -} - -#endif - -/* - * Provide the Poulsbo specific chip logic and low level methods - * for power management - */ - -static void psb_init_pm(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - u32 gating = PSB_RSGX32(PSB_CR_CLKGATECTL); - gating &= ~3; /* Disable 2D clock gating */ - gating |= 1; - PSB_WSGX32(gating, PSB_CR_CLKGATECTL); - PSB_RSGX32(PSB_CR_CLKGATECTL); -} - -/** - * psb_save_display_registers - save registers lost on suspend - * @dev: our DRM device - * - * Save the state we need in order to be able to restore the interface - * upon resume from suspend - */ -static int psb_save_display_registers(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct drm_crtc *crtc; - struct drm_connector *connector; - - /* Display arbitration control + watermarks */ - dev_priv->saveDSPARB = PSB_RVDC32(DSPARB); - dev_priv->saveDSPFW1 = PSB_RVDC32(DSPFW1); - dev_priv->saveDSPFW2 = PSB_RVDC32(DSPFW2); - dev_priv->saveDSPFW3 = PSB_RVDC32(DSPFW3); - dev_priv->saveDSPFW4 = PSB_RVDC32(DSPFW4); - dev_priv->saveDSPFW5 = PSB_RVDC32(DSPFW5); - dev_priv->saveDSPFW6 = PSB_RVDC32(DSPFW6); - dev_priv->saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT); - - /* Save crtc and output state */ - mutex_lock(&dev->mode_config.mutex); - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - if (drm_helper_crtc_in_use(crtc)) - crtc->funcs->save(crtc); - } - - list_for_each_entry(connector, &dev->mode_config.connector_list, head) - connector->funcs->save(connector); - - mutex_unlock(&dev->mode_config.mutex); - return 0; -} - -/** - * psb_restore_display_registers - restore lost register state - * @dev: our DRM device - * - * Restore register state that was lost during suspend and resume. - */ -static int psb_restore_display_registers(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct drm_crtc *crtc; - struct drm_connector *connector; - - /* Display arbitration + watermarks */ - PSB_WVDC32(dev_priv->saveDSPARB, DSPARB); - PSB_WVDC32(dev_priv->saveDSPFW1, DSPFW1); - PSB_WVDC32(dev_priv->saveDSPFW2, DSPFW2); - PSB_WVDC32(dev_priv->saveDSPFW3, DSPFW3); - PSB_WVDC32(dev_priv->saveDSPFW4, DSPFW4); - PSB_WVDC32(dev_priv->saveDSPFW5, DSPFW5); - PSB_WVDC32(dev_priv->saveDSPFW6, DSPFW6); - PSB_WVDC32(dev_priv->saveCHICKENBIT, DSPCHICKENBIT); - - /*make sure VGA plane is off. it initializes to on after reset!*/ - PSB_WVDC32(0x80000000, VGACNTRL); - - mutex_lock(&dev->mode_config.mutex); - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) - if (drm_helper_crtc_in_use(crtc)) - crtc->funcs->restore(crtc); - - list_for_each_entry(connector, &dev->mode_config.connector_list, head) - connector->funcs->restore(connector); - - mutex_unlock(&dev->mode_config.mutex); - return 0; -} - -static int psb_power_down(struct drm_device *dev) -{ - return 0; -} - -static int psb_power_up(struct drm_device *dev) -{ - return 0; -} - -static void psb_get_core_freq(struct drm_device *dev) -{ - uint32_t clock; - struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); - struct drm_psb_private *dev_priv = dev->dev_private; - - /*pci_write_config_dword(pci_root, 0xD4, 0x00C32004);*/ - /*pci_write_config_dword(pci_root, 0xD0, 0xE0033000);*/ - - pci_write_config_dword(pci_root, 0xD0, 0xD0050300); - pci_read_config_dword(pci_root, 0xD4, &clock); - pci_dev_put(pci_root); - - switch (clock & 0x07) { - case 0: - dev_priv->core_freq = 100; - break; - case 1: - dev_priv->core_freq = 133; - break; - case 2: - dev_priv->core_freq = 150; - break; - case 3: - dev_priv->core_freq = 178; - break; - case 4: - dev_priv->core_freq = 200; - break; - case 5: - case 6: - case 7: - dev_priv->core_freq = 266; - default: - dev_priv->core_freq = 0; - } -} - -static int psb_chip_setup(struct drm_device *dev) -{ - psb_get_core_freq(dev); - gma_intel_opregion_init(dev); - psb_intel_init_bios(dev); - return 0; -} - -const struct psb_ops psb_chip_ops = { - .name = "Poulsbo", - .accel_2d = 1, - .pipes = 2, - .crtcs = 2, - .sgx_offset = PSB_SGX_OFFSET, - .chip_setup = psb_chip_setup, - - .crtc_helper = &psb_intel_helper_funcs, - .crtc_funcs = &psb_intel_crtc_funcs, - - .output_init = psb_output_init, - -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - .backlight_init = psb_backlight_init, -#endif - - .init_pm = psb_init_pm, - .save_regs = psb_save_display_registers, - .restore_regs = psb_restore_display_registers, - .power_down = psb_power_down, - .power_up = psb_power_up, -}; - diff --git a/drivers/staging/gma500/psb_drm.h b/drivers/staging/gma500/psb_drm.h deleted file mode 100644 index 0da84683568864..00000000000000 --- a/drivers/staging/gma500/psb_drm.h +++ /dev/null @@ -1,219 +0,0 @@ -/************************************************************************** - * Copyright (c) 2007-2011, Intel Corporation. - * All Rights Reserved. - * Copyright (c) 2008, Tungsten Graphics Inc. Cedar Park, TX., USA. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - **************************************************************************/ - -#ifndef _PSB_DRM_H_ -#define _PSB_DRM_H_ - -#define PSB_NUM_PIPE 3 - -#define PSB_GPU_ACCESS_READ (1ULL << 32) -#define PSB_GPU_ACCESS_WRITE (1ULL << 33) -#define PSB_GPU_ACCESS_MASK (PSB_GPU_ACCESS_READ | PSB_GPU_ACCESS_WRITE) - -#define PSB_BO_FLAG_COMMAND (1ULL << 52) - -/* - * Feedback components: - */ - -struct drm_psb_sizes_arg { - u32 ta_mem_size; - u32 mmu_size; - u32 pds_size; - u32 rastgeom_size; - u32 tt_size; - u32 vram_size; -}; - -struct drm_psb_dpst_lut_arg { - uint8_t lut[256]; - int output_id; -}; - -#define PSB_DC_CRTC_SAVE 0x01 -#define PSB_DC_CRTC_RESTORE 0x02 -#define PSB_DC_OUTPUT_SAVE 0x04 -#define PSB_DC_OUTPUT_RESTORE 0x08 -#define PSB_DC_CRTC_MASK 0x03 -#define PSB_DC_OUTPUT_MASK 0x0C - -struct drm_psb_dc_state_arg { - u32 flags; - u32 obj_id; -}; - -struct drm_psb_mode_operation_arg { - u32 obj_id; - u16 operation; - struct drm_mode_modeinfo mode; - void *data; -}; - -struct drm_psb_stolen_memory_arg { - u32 base; - u32 size; -}; - -/*Display Register Bits*/ -#define REGRWBITS_PFIT_CONTROLS (1 << 0) -#define REGRWBITS_PFIT_AUTOSCALE_RATIOS (1 << 1) -#define REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS (1 << 2) -#define REGRWBITS_PIPEASRC (1 << 3) -#define REGRWBITS_PIPEBSRC (1 << 4) -#define REGRWBITS_VTOTAL_A (1 << 5) -#define REGRWBITS_VTOTAL_B (1 << 6) -#define REGRWBITS_DSPACNTR (1 << 8) -#define REGRWBITS_DSPBCNTR (1 << 9) -#define REGRWBITS_DSPCCNTR (1 << 10) - -/*Overlay Register Bits*/ -#define OV_REGRWBITS_OVADD (1 << 0) -#define OV_REGRWBITS_OGAM_ALL (1 << 1) - -#define OVC_REGRWBITS_OVADD (1 << 2) -#define OVC_REGRWBITS_OGAM_ALL (1 << 3) - -struct drm_psb_register_rw_arg { - u32 b_force_hw_on; - - u32 display_read_mask; - u32 display_write_mask; - - struct { - u32 pfit_controls; - u32 pfit_autoscale_ratios; - u32 pfit_programmed_scale_ratios; - u32 pipeasrc; - u32 pipebsrc; - u32 vtotal_a; - u32 vtotal_b; - } display; - - u32 overlay_read_mask; - u32 overlay_write_mask; - - struct { - u32 OVADD; - u32 OGAMC0; - u32 OGAMC1; - u32 OGAMC2; - u32 OGAMC3; - u32 OGAMC4; - u32 OGAMC5; - u32 IEP_ENABLED; - u32 IEP_BLE_MINMAX; - u32 IEP_BSSCC_CONTROL; - u32 b_wait_vblank; - } overlay; - - u32 sprite_enable_mask; - u32 sprite_disable_mask; - - struct { - u32 dspa_control; - u32 dspa_key_value; - u32 dspa_key_mask; - u32 dspc_control; - u32 dspc_stride; - u32 dspc_position; - u32 dspc_linear_offset; - u32 dspc_size; - u32 dspc_surface; - } sprite; - - u32 subpicture_enable_mask; - u32 subpicture_disable_mask; -}; - -/* Controlling the kernel modesetting buffers */ - -#define DRM_PSB_SIZES 0x07 -#define DRM_PSB_FUSE_REG 0x08 -#define DRM_PSB_DC_STATE 0x0A -#define DRM_PSB_ADB 0x0B -#define DRM_PSB_MODE_OPERATION 0x0C -#define DRM_PSB_STOLEN_MEMORY 0x0D -#define DRM_PSB_REGISTER_RW 0x0E - -/* - * NOTE: Add new commands here, but increment - * the values below and increment their - * corresponding defines where they're - * defined elsewhere. - */ - -#define DRM_PSB_GEM_CREATE 0x10 -#define DRM_PSB_2D_OP 0x11 -#define DRM_PSB_GEM_MMAP 0x12 -#define DRM_PSB_DPST 0x1B -#define DRM_PSB_GAMMA 0x1C -#define DRM_PSB_DPST_BL 0x1D -#define DRM_PSB_GET_PIPE_FROM_CRTC_ID 0x1F - -#define PSB_MODE_OPERATION_MODE_VALID 0x01 -#define PSB_MODE_OPERATION_SET_DC_BASE 0x02 - -struct drm_psb_get_pipe_from_crtc_id_arg { - /** ID of CRTC being requested **/ - u32 crtc_id; - - /** pipe of requested CRTC **/ - u32 pipe; -}; - -/* FIXME: move this into a medfield header once we are sure it isn't needed for an - ioctl */ -struct psb_drm_dpu_rect { - int x, y; - int width, height; -}; - -struct drm_psb_gem_create { - __u64 size; - __u32 handle; - __u32 flags; -#define PSB_GEM_CREATE_STOLEN 1 /* Stolen memory can be used */ -}; - -#define PSB_2D_OP_BUFLEN 16 - -struct drm_psb_2d_op { - __u32 src; /* Handles, only src supported right now */ - __u32 dst; - __u32 mask; - __u32 pat; - __u32 size; /* In dwords of command */ - __u32 spare; /* And bumps array to u64 align */ - __u32 cmd[PSB_2D_OP_BUFLEN]; -}; - -struct drm_psb_gem_mmap { - __u32 handle; - __u32 pad; - /** - * Fake offset to use for subsequent mmap call - * - * This is a fixed-size type for 32/64 compatibility. - */ - __u64 offset; -}; - -#endif diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c deleted file mode 100644 index 95816808f86761..00000000000000 --- a/drivers/staging/gma500/psb_drv.c +++ /dev/null @@ -1,1230 +0,0 @@ -/************************************************************************** - * Copyright (c) 2007-2011, Intel Corporation. - * All Rights Reserved. - * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - **************************************************************************/ - -#include <drm/drmP.h> -#include <drm/drm.h> -#include "psb_drm.h" -#include "psb_drv.h" -#include "framebuffer.h" -#include "psb_reg.h" -#include "psb_intel_reg.h" -#include "intel_bios.h" -#include "mid_bios.h" -#include "mdfld_dsi_dbi.h" -#include <drm/drm_pciids.h> -#include "power.h" -#include <linux/cpu.h> -#include <linux/notifier.h> -#include <linux/spinlock.h> -#include <linux/pm_runtime.h> -#include <linux/module.h> -#include <acpi/video.h> - -static int drm_psb_trap_pagefaults; - -int drm_psb_no_fb; - -static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent); - -MODULE_PARM_DESC(no_fb, "Disable FBdev"); -MODULE_PARM_DESC(trap_pagefaults, "Error and reset on MMU pagefaults"); -module_param_named(no_fb, drm_psb_no_fb, int, 0600); -module_param_named(trap_pagefaults, drm_psb_trap_pagefaults, int, 0600); - - -static DEFINE_PCI_DEVICE_TABLE(pciidlist) = { - { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops }, - { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops }, -#if defined(CONFIG_DRM_PSB_MRST) - { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops}, - { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops}, - { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops}, - { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops}, - { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops}, - { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops}, - { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops}, - { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops}, -#endif -#if defined(CONFIG_DRM_PSB_MFLD) - { 0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, - { 0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, - { 0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, - { 0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, - { 0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, - { 0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, - { 0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, - { 0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops}, -#endif -#if defined(CONFIG_DRM_PSB_CDV) - { 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, - { 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, - { 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, - { 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, - { 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, - { 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, - { 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, - { 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops}, -#endif - { 0, 0, 0} -}; -MODULE_DEVICE_TABLE(pci, pciidlist); - -/* - * Standard IOCTLs. - */ - -#define DRM_IOCTL_PSB_SIZES \ - DRM_IOR(DRM_PSB_SIZES + DRM_COMMAND_BASE, \ - struct drm_psb_sizes_arg) -#define DRM_IOCTL_PSB_FUSE_REG \ - DRM_IOWR(DRM_PSB_FUSE_REG + DRM_COMMAND_BASE, uint32_t) -#define DRM_IOCTL_PSB_DC_STATE \ - DRM_IOW(DRM_PSB_DC_STATE + DRM_COMMAND_BASE, \ - struct drm_psb_dc_state_arg) -#define DRM_IOCTL_PSB_ADB \ - DRM_IOWR(DRM_PSB_ADB + DRM_COMMAND_BASE, uint32_t) -#define DRM_IOCTL_PSB_MODE_OPERATION \ - DRM_IOWR(DRM_PSB_MODE_OPERATION + DRM_COMMAND_BASE, \ - struct drm_psb_mode_operation_arg) -#define DRM_IOCTL_PSB_STOLEN_MEMORY \ - DRM_IOWR(DRM_PSB_STOLEN_MEMORY + DRM_COMMAND_BASE, \ - struct drm_psb_stolen_memory_arg) -#define DRM_IOCTL_PSB_REGISTER_RW \ - DRM_IOWR(DRM_PSB_REGISTER_RW + DRM_COMMAND_BASE, \ - struct drm_psb_register_rw_arg) -#define DRM_IOCTL_PSB_DPST \ - DRM_IOWR(DRM_PSB_DPST + DRM_COMMAND_BASE, \ - uint32_t) -#define DRM_IOCTL_PSB_GAMMA \ - DRM_IOWR(DRM_PSB_GAMMA + DRM_COMMAND_BASE, \ - struct drm_psb_dpst_lut_arg) -#define DRM_IOCTL_PSB_DPST_BL \ - DRM_IOWR(DRM_PSB_DPST_BL + DRM_COMMAND_BASE, \ - uint32_t) -#define DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID \ - DRM_IOWR(DRM_PSB_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \ - struct drm_psb_get_pipe_from_crtc_id_arg) -#define DRM_IOCTL_PSB_GEM_CREATE \ - DRM_IOWR(DRM_PSB_GEM_CREATE + DRM_COMMAND_BASE, \ - struct drm_psb_gem_create) -#define DRM_IOCTL_PSB_2D_OP \ - DRM_IOW(DRM_PSB_2D_OP + DRM_COMMAND_BASE, \ - struct drm_psb_2d_op) -#define DRM_IOCTL_PSB_GEM_MMAP \ - DRM_IOWR(DRM_PSB_GEM_MMAP + DRM_COMMAND_BASE, \ - struct drm_psb_gem_mmap) - -static int psb_sizes_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -static int psb_dc_state_ioctl(struct drm_device *dev, void * data, - struct drm_file *file_priv); -static int psb_adb_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -static int psb_mode_operation_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -static int psb_register_rw_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -static int psb_dpst_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -static int psb_gamma_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); - -#define PSB_IOCTL_DEF(ioctl, func, flags) \ - [DRM_IOCTL_NR(ioctl) - DRM_COMMAND_BASE] = {ioctl, flags, func} - -static struct drm_ioctl_desc psb_ioctls[] = { - PSB_IOCTL_DEF(DRM_IOCTL_PSB_SIZES, psb_sizes_ioctl, DRM_AUTH), - PSB_IOCTL_DEF(DRM_IOCTL_PSB_DC_STATE, psb_dc_state_ioctl, DRM_AUTH), - PSB_IOCTL_DEF(DRM_IOCTL_PSB_ADB, psb_adb_ioctl, DRM_AUTH), - PSB_IOCTL_DEF(DRM_IOCTL_PSB_MODE_OPERATION, psb_mode_operation_ioctl, - DRM_AUTH), - PSB_IOCTL_DEF(DRM_IOCTL_PSB_STOLEN_MEMORY, psb_stolen_memory_ioctl, - DRM_AUTH), - PSB_IOCTL_DEF(DRM_IOCTL_PSB_REGISTER_RW, psb_register_rw_ioctl, - DRM_AUTH), - PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST, psb_dpst_ioctl, DRM_AUTH), - PSB_IOCTL_DEF(DRM_IOCTL_PSB_GAMMA, psb_gamma_ioctl, DRM_AUTH), - PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH), - PSB_IOCTL_DEF(DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID, - psb_intel_get_pipe_from_crtc_id, 0), - PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_CREATE, psb_gem_create_ioctl, - DRM_UNLOCKED | DRM_AUTH), - PSB_IOCTL_DEF(DRM_IOCTL_PSB_2D_OP, psb_accel_ioctl, - DRM_UNLOCKED| DRM_AUTH), - PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_MMAP, psb_gem_mmap_ioctl, - DRM_UNLOCKED | DRM_AUTH), -}; - -static void psb_lastclose(struct drm_device *dev) -{ - return; -} - -static void psb_do_takedown(struct drm_device *dev) -{ -} - -static int psb_do_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct psb_gtt *pg = &dev_priv->gtt; - - uint32_t stolen_gtt; - - int ret = -ENOMEM; - - if (pg->mmu_gatt_start & 0x0FFFFFFF) { - dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n"); - ret = -EINVAL; - goto out_err; - } - - - stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4; - stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT; - stolen_gtt = - (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages; - - dev_priv->gatt_free_offset = pg->mmu_gatt_start + - (stolen_gtt << PAGE_SHIFT) * 1024; - - if (1 || drm_debug) { - uint32_t core_id = PSB_RSGX32(PSB_CR_CORE_ID); - uint32_t core_rev = PSB_RSGX32(PSB_CR_CORE_REVISION); - DRM_INFO("SGX core id = 0x%08x\n", core_id); - DRM_INFO("SGX core rev major = 0x%02x, minor = 0x%02x\n", - (core_rev & _PSB_CC_REVISION_MAJOR_MASK) >> - _PSB_CC_REVISION_MAJOR_SHIFT, - (core_rev & _PSB_CC_REVISION_MINOR_MASK) >> - _PSB_CC_REVISION_MINOR_SHIFT); - DRM_INFO - ("SGX core rev maintenance = 0x%02x, designer = 0x%02x\n", - (core_rev & _PSB_CC_REVISION_MAINTENANCE_MASK) >> - _PSB_CC_REVISION_MAINTENANCE_SHIFT, - (core_rev & _PSB_CC_REVISION_DESIGNER_MASK) >> - _PSB_CC_REVISION_DESIGNER_SHIFT); - } - - - spin_lock_init(&dev_priv->irqmask_lock); - spin_lock_init(&dev_priv->lock_2d); - - PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0); - PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1); - PSB_RSGX32(PSB_CR_BIF_BANK1); - PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK, - PSB_CR_BIF_CTRL); - psb_spank(dev_priv); - - /* mmu_gatt ?? */ - PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE); - return 0; -out_err: - psb_do_takedown(dev); - return ret; -} - -static int psb_driver_unload(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - /* Kill vblank etc here */ - - gma_backlight_exit(dev); - - if (drm_psb_no_fb == 0) - psb_modeset_cleanup(dev); - - if (dev_priv) { - psb_lid_timer_takedown(dev_priv); - gma_intel_opregion_exit(dev); - - if (dev_priv->ops->chip_teardown) - dev_priv->ops->chip_teardown(dev); - psb_do_takedown(dev); - - - if (dev_priv->pf_pd) { - psb_mmu_free_pagedir(dev_priv->pf_pd); - dev_priv->pf_pd = NULL; - } - if (dev_priv->mmu) { - struct psb_gtt *pg = &dev_priv->gtt; - - down_read(&pg->sem); - psb_mmu_remove_pfn_sequence( - psb_mmu_get_default_pd - (dev_priv->mmu), - pg->mmu_gatt_start, - dev_priv->vram_stolen_size >> PAGE_SHIFT); - up_read(&pg->sem); - psb_mmu_driver_takedown(dev_priv->mmu); - dev_priv->mmu = NULL; - } - psb_gtt_takedown(dev); - if (dev_priv->scratch_page) { - __free_page(dev_priv->scratch_page); - dev_priv->scratch_page = NULL; - } - if (dev_priv->vdc_reg) { - iounmap(dev_priv->vdc_reg); - dev_priv->vdc_reg = NULL; - } - if (dev_priv->sgx_reg) { - iounmap(dev_priv->sgx_reg); - dev_priv->sgx_reg = NULL; - } - - kfree(dev_priv); - dev->dev_private = NULL; - - /*destroy VBT data*/ - psb_intel_destroy_bios(dev); - } - - gma_power_uninit(dev); - - return 0; -} - - -static int psb_driver_load(struct drm_device *dev, unsigned long chipset) -{ - struct drm_psb_private *dev_priv; - unsigned long resource_start; - struct psb_gtt *pg; - unsigned long irqflags; - int ret = -ENOMEM; - uint32_t tt_pages; - struct drm_connector *connector; - struct psb_intel_output *psb_intel_output; - - dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL); - if (dev_priv == NULL) - return -ENOMEM; - - dev_priv->ops = (struct psb_ops *)chipset; - dev_priv->dev = dev; - dev->dev_private = (void *) dev_priv; - - if (!IS_PSB(dev)) { - if (pci_enable_msi(dev->pdev)) - dev_warn(dev->dev, "Enabling MSI failed!\n"); - } - - dev_priv->num_pipe = dev_priv->ops->pipes; - - resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE); - - dev_priv->vdc_reg = - ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE); - if (!dev_priv->vdc_reg) - goto out_err; - - dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset, - PSB_SGX_SIZE); - if (!dev_priv->sgx_reg) - goto out_err; - - ret = dev_priv->ops->chip_setup(dev); - if (ret) - goto out_err; - - /* Init OSPM support */ - gma_power_init(dev); - - ret = -ENOMEM; - - dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO); - if (!dev_priv->scratch_page) - goto out_err; - - set_pages_uc(dev_priv->scratch_page, 1); - - ret = psb_gtt_init(dev, 0); - if (ret) - goto out_err; - - dev_priv->mmu = psb_mmu_driver_init((void *)0, - drm_psb_trap_pagefaults, 0, - dev_priv); - if (!dev_priv->mmu) - goto out_err; - - pg = &dev_priv->gtt; - - tt_pages = (pg->gatt_pages < PSB_TT_PRIV0_PLIMIT) ? - (pg->gatt_pages) : PSB_TT_PRIV0_PLIMIT; - - - dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0); - if (!dev_priv->pf_pd) - goto out_err; - - psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0); - psb_mmu_set_pd_context(dev_priv->pf_pd, 1); - - ret = psb_do_init(dev); - if (ret) - return ret; - - PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE); - PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE); - -/* igd_opregion_init(&dev_priv->opregion_dev); */ - acpi_video_register(); - if (dev_priv->lid_state) - psb_lid_timer_init(dev_priv); - - ret = drm_vblank_init(dev, dev_priv->num_pipe); - if (ret) - goto out_err; - - /* - * Install interrupt handlers prior to powering off SGX or else we will - * crash. - */ - dev_priv->vdc_irq_mask = 0; - dev_priv->pipestat[0] = 0; - dev_priv->pipestat[1] = 0; - dev_priv->pipestat[2] = 0; - spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); - PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); - PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R); - PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R); - spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); - if (IS_PSB(dev) && drm_core_check_feature(dev, DRIVER_MODESET)) - drm_irq_install(dev); - - dev->vblank_disable_allowed = 1; - - dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ - - dev->driver->get_vblank_counter = psb_get_vblank_counter; - -#if defined(CONFIG_DRM_PSB_MFLD) - /* FIXME: this is not the right place for this stuff ! */ - mdfld_output_setup(dev); -#endif - if (drm_psb_no_fb == 0) { - psb_modeset_init(dev); - psb_fbdev_init(dev); - drm_kms_helper_poll_init(dev); - } - - /* Only add backlight support if we have LVDS output */ - list_for_each_entry(connector, &dev->mode_config.connector_list, - head) { - psb_intel_output = to_psb_intel_output(connector); - - switch (psb_intel_output->type) { - case INTEL_OUTPUT_LVDS: - case INTEL_OUTPUT_MIPI: - ret = gma_backlight_init(dev); - break; - } - } - - if (ret) - return ret; - - /* Enable runtime pm at last */ - pm_runtime_set_active(&dev->pdev->dev); - return 0; -out_err: - psb_driver_unload(dev); - return ret; -} - -int psb_driver_device_is_agp(struct drm_device *dev) -{ - return 0; -} - - -static int psb_sizes_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_psb_private *dev_priv = psb_priv(dev); - struct drm_psb_sizes_arg *arg = data; - - *arg = dev_priv->sizes; - return 0; -} - -static int psb_dc_state_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - uint32_t flags; - uint32_t obj_id; - struct drm_mode_object *obj; - struct drm_connector *connector; - struct drm_crtc *crtc; - struct drm_psb_dc_state_arg *arg = data; - - - /* Double check MRST case */ - if (IS_MRST(dev) || IS_MFLD(dev)) - return -EOPNOTSUPP; - - flags = arg->flags; - obj_id = arg->obj_id; - - if (flags & PSB_DC_CRTC_MASK) { - obj = drm_mode_object_find(dev, obj_id, - DRM_MODE_OBJECT_CRTC); - if (!obj) { - dev_dbg(dev->dev, "Invalid CRTC object.\n"); - return -EINVAL; - } - - crtc = obj_to_crtc(obj); - - mutex_lock(&dev->mode_config.mutex); - if (drm_helper_crtc_in_use(crtc)) { - if (flags & PSB_DC_CRTC_SAVE) - crtc->funcs->save(crtc); - else - crtc->funcs->restore(crtc); - } - mutex_unlock(&dev->mode_config.mutex); - - return 0; - } else if (flags & PSB_DC_OUTPUT_MASK) { - obj = drm_mode_object_find(dev, obj_id, - DRM_MODE_OBJECT_CONNECTOR); - if (!obj) { - dev_dbg(dev->dev, "Invalid connector id.\n"); - return -EINVAL; - } - - connector = obj_to_connector(obj); - if (flags & PSB_DC_OUTPUT_SAVE) - connector->funcs->save(connector); - else - connector->funcs->restore(connector); - - return 0; - } - return -EINVAL; -} - -static inline void get_brightness(struct backlight_device *bd) -{ -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - if (bd) { - bd->props.brightness = bd->ops->get_brightness(bd); - backlight_update_status(bd); - } -#endif -} - -static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_psb_private *dev_priv = psb_priv(dev); - uint32_t *arg = data; - - dev_priv->blc_adj2 = *arg; - get_brightness(dev_priv->backlight_device); - return 0; -} - -static int psb_adb_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_psb_private *dev_priv = psb_priv(dev); - uint32_t *arg = data; - - dev_priv->blc_adj1 = *arg; - get_brightness(dev_priv->backlight_device); - return 0; -} - -/* return the current mode to the dpst module */ -static int psb_dpst_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_psb_private *dev_priv = psb_priv(dev); - uint32_t *arg = data; - uint32_t x; - uint32_t y; - uint32_t reg; - - if (!gma_power_begin(dev, 0)) - return -EIO; - - reg = PSB_RVDC32(PIPEASRC); - - gma_power_end(dev); - - /* horizontal is the left 16 bits */ - x = reg >> 16; - /* vertical is the right 16 bits */ - y = reg & 0x0000ffff; - - /* the values are the image size minus one */ - x++; - y++; - - *arg = (x << 16) | y; - - return 0; -} -static int psb_gamma_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_psb_dpst_lut_arg *lut_arg = data; - struct drm_mode_object *obj; - struct drm_crtc *crtc; - struct drm_connector *connector; - struct psb_intel_crtc *psb_intel_crtc; - int i = 0; - int32_t obj_id; - - obj_id = lut_arg->output_id; - obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR); - if (!obj) { - dev_dbg(dev->dev, "Invalid Connector object.\n"); - return -EINVAL; - } - - connector = obj_to_connector(obj); - crtc = connector->encoder->crtc; - psb_intel_crtc = to_psb_intel_crtc(crtc); - - for (i = 0; i < 256; i++) - psb_intel_crtc->lut_adj[i] = lut_arg->lut[i]; - - psb_intel_crtc_load_lut(crtc); - - return 0; -} - -static int psb_mode_operation_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - uint32_t obj_id; - uint16_t op; - struct drm_mode_modeinfo *umode; - struct drm_display_mode *mode = NULL; - struct drm_psb_mode_operation_arg *arg; - struct drm_mode_object *obj; - struct drm_connector *connector; - struct drm_framebuffer *drm_fb; - struct psb_framebuffer *psb_fb; - struct drm_connector_helper_funcs *connector_funcs; - int ret = 0; - int resp = MODE_OK; - struct drm_psb_private *dev_priv = psb_priv(dev); - - arg = (struct drm_psb_mode_operation_arg *)data; - obj_id = arg->obj_id; - op = arg->operation; - - switch (op) { - case PSB_MODE_OPERATION_SET_DC_BASE: - obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_FB); - if (!obj) { - dev_dbg(dev->dev, "Invalid FB id %d\n", obj_id); - return -EINVAL; - } - - drm_fb = obj_to_fb(obj); - psb_fb = to_psb_fb(drm_fb); - - if (gma_power_begin(dev, 0)) { - REG_WRITE(DSPASURF, psb_fb->gtt->offset); - REG_READ(DSPASURF); - gma_power_end(dev); - } else { - dev_priv->saveDSPASURF = psb_fb->gtt->offset; - } - - return 0; - case PSB_MODE_OPERATION_MODE_VALID: - umode = &arg->mode; - - mutex_lock(&dev->mode_config.mutex); - - obj = drm_mode_object_find(dev, obj_id, - DRM_MODE_OBJECT_CONNECTOR); - if (!obj) { - ret = -EINVAL; - goto mode_op_out; - } - - connector = obj_to_connector(obj); - - mode = drm_mode_create(dev); - if (!mode) { - ret = -ENOMEM; - goto mode_op_out; - } - - /* drm_crtc_convert_umode(mode, umode); */ - { - mode->clock = umode->clock; - mode->hdisplay = umode->hdisplay; - mode->hsync_start = umode->hsync_start; - mode->hsync_end = umode->hsync_end; - mode->htotal = umode->htotal; - mode->hskew = umode->hskew; - mode->vdisplay = umode->vdisplay; - mode->vsync_start = umode->vsync_start; - mode->vsync_end = umode->vsync_end; - mode->vtotal = umode->vtotal; - mode->vscan = umode->vscan; - mode->vrefresh = umode->vrefresh; - mode->flags = umode->flags; - mode->type = umode->type; - strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN); - mode->name[DRM_DISPLAY_MODE_LEN-1] = 0; - } - - connector_funcs = (struct drm_connector_helper_funcs *) - connector->helper_private; - - if (connector_funcs->mode_valid) { - resp = connector_funcs->mode_valid(connector, mode); - arg->data = (void *)resp; - } - - /*do some clean up work*/ - if (mode) - drm_mode_destroy(dev, mode); -mode_op_out: - mutex_unlock(&dev->mode_config.mutex); - return ret; - - default: - dev_dbg(dev->dev, "Unsupported psb mode operation\n"); - return -EOPNOTSUPP; - } - - return 0; -} - -static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_psb_private *dev_priv = psb_priv(dev); - struct drm_psb_stolen_memory_arg *arg = data; - - arg->base = dev_priv->stolen_base; - arg->size = dev_priv->vram_stolen_size; - - return 0; -} - -/* FIXME: needs Medfield changes */ -static int psb_register_rw_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_psb_private *dev_priv = psb_priv(dev); - struct drm_psb_register_rw_arg *arg = data; - bool usage = arg->b_force_hw_on ? true : false; - - if (arg->display_write_mask != 0) { - if (gma_power_begin(dev, usage)) { - if (arg->display_write_mask & REGRWBITS_PFIT_CONTROLS) - PSB_WVDC32(arg->display.pfit_controls, - PFIT_CONTROL); - if (arg->display_write_mask & - REGRWBITS_PFIT_AUTOSCALE_RATIOS) - PSB_WVDC32(arg->display.pfit_autoscale_ratios, - PFIT_AUTO_RATIOS); - if (arg->display_write_mask & - REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS) - PSB_WVDC32( - arg->display.pfit_programmed_scale_ratios, - PFIT_PGM_RATIOS); - if (arg->display_write_mask & REGRWBITS_PIPEASRC) - PSB_WVDC32(arg->display.pipeasrc, - PIPEASRC); - if (arg->display_write_mask & REGRWBITS_PIPEBSRC) - PSB_WVDC32(arg->display.pipebsrc, - PIPEBSRC); - if (arg->display_write_mask & REGRWBITS_VTOTAL_A) - PSB_WVDC32(arg->display.vtotal_a, - VTOTAL_A); - if (arg->display_write_mask & REGRWBITS_VTOTAL_B) - PSB_WVDC32(arg->display.vtotal_b, - VTOTAL_B); - gma_power_end(dev); - } else { - if (arg->display_write_mask & REGRWBITS_PFIT_CONTROLS) - dev_priv->savePFIT_CONTROL = - arg->display.pfit_controls; - if (arg->display_write_mask & - REGRWBITS_PFIT_AUTOSCALE_RATIOS) - dev_priv->savePFIT_AUTO_RATIOS = - arg->display.pfit_autoscale_ratios; - if (arg->display_write_mask & - REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS) - dev_priv->savePFIT_PGM_RATIOS = - arg->display.pfit_programmed_scale_ratios; - if (arg->display_write_mask & REGRWBITS_PIPEASRC) - dev_priv->savePIPEASRC = arg->display.pipeasrc; - if (arg->display_write_mask & REGRWBITS_PIPEBSRC) - dev_priv->savePIPEBSRC = arg->display.pipebsrc; - if (arg->display_write_mask & REGRWBITS_VTOTAL_A) - dev_priv->saveVTOTAL_A = arg->display.vtotal_a; - if (arg->display_write_mask & REGRWBITS_VTOTAL_B) - dev_priv->saveVTOTAL_B = arg->display.vtotal_b; - } - } - - if (arg->display_read_mask != 0) { - if (gma_power_begin(dev, usage)) { - if (arg->display_read_mask & - REGRWBITS_PFIT_CONTROLS) - arg->display.pfit_controls = - PSB_RVDC32(PFIT_CONTROL); - if (arg->display_read_mask & - REGRWBITS_PFIT_AUTOSCALE_RATIOS) - arg->display.pfit_autoscale_ratios = - PSB_RVDC32(PFIT_AUTO_RATIOS); - if (arg->display_read_mask & - REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS) - arg->display.pfit_programmed_scale_ratios = - PSB_RVDC32(PFIT_PGM_RATIOS); - if (arg->display_read_mask & REGRWBITS_PIPEASRC) - arg->display.pipeasrc = PSB_RVDC32(PIPEASRC); - if (arg->display_read_mask & REGRWBITS_PIPEBSRC) - arg->display.pipebsrc = PSB_RVDC32(PIPEBSRC); - if (arg->display_read_mask & REGRWBITS_VTOTAL_A) - arg->display.vtotal_a = PSB_RVDC32(VTOTAL_A); - if (arg->display_read_mask & REGRWBITS_VTOTAL_B) - arg->display.vtotal_b = PSB_RVDC32(VTOTAL_B); - gma_power_end(dev); - } else { - if (arg->display_read_mask & - REGRWBITS_PFIT_CONTROLS) - arg->display.pfit_controls = - dev_priv->savePFIT_CONTROL; - if (arg->display_read_mask & - REGRWBITS_PFIT_AUTOSCALE_RATIOS) - arg->display.pfit_autoscale_ratios = - dev_priv->savePFIT_AUTO_RATIOS; - if (arg->display_read_mask & - REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS) - arg->display.pfit_programmed_scale_ratios = - dev_priv->savePFIT_PGM_RATIOS; - if (arg->display_read_mask & REGRWBITS_PIPEASRC) - arg->display.pipeasrc = dev_priv->savePIPEASRC; - if (arg->display_read_mask & REGRWBITS_PIPEBSRC) - arg->display.pipebsrc = dev_priv->savePIPEBSRC; - if (arg->display_read_mask & REGRWBITS_VTOTAL_A) - arg->display.vtotal_a = dev_priv->saveVTOTAL_A; - if (arg->display_read_mask & REGRWBITS_VTOTAL_B) - arg->display.vtotal_b = dev_priv->saveVTOTAL_B; - } - } - - if (arg->overlay_write_mask != 0) { - if (gma_power_begin(dev, usage)) { - if (arg->overlay_write_mask & OV_REGRWBITS_OGAM_ALL) { - PSB_WVDC32(arg->overlay.OGAMC5, OV_OGAMC5); - PSB_WVDC32(arg->overlay.OGAMC4, OV_OGAMC4); - PSB_WVDC32(arg->overlay.OGAMC3, OV_OGAMC3); - PSB_WVDC32(arg->overlay.OGAMC2, OV_OGAMC2); - PSB_WVDC32(arg->overlay.OGAMC1, OV_OGAMC1); - PSB_WVDC32(arg->overlay.OGAMC0, OV_OGAMC0); - } - if (arg->overlay_write_mask & OVC_REGRWBITS_OGAM_ALL) { - PSB_WVDC32(arg->overlay.OGAMC5, OVC_OGAMC5); - PSB_WVDC32(arg->overlay.OGAMC4, OVC_OGAMC4); - PSB_WVDC32(arg->overlay.OGAMC3, OVC_OGAMC3); - PSB_WVDC32(arg->overlay.OGAMC2, OVC_OGAMC2); - PSB_WVDC32(arg->overlay.OGAMC1, OVC_OGAMC1); - PSB_WVDC32(arg->overlay.OGAMC0, OVC_OGAMC0); - } - - if (arg->overlay_write_mask & OV_REGRWBITS_OVADD) { - PSB_WVDC32(arg->overlay.OVADD, OV_OVADD); - - if (arg->overlay.b_wait_vblank) { - /* Wait for 20ms.*/ - unsigned long vblank_timeout = jiffies - + HZ/50; - uint32_t temp; - while (time_before_eq(jiffies, - vblank_timeout)) { - temp = PSB_RVDC32(OV_DOVASTA); - if ((temp & (0x1 << 31)) != 0) - break; - cpu_relax(); - } - } - } - if (arg->overlay_write_mask & OVC_REGRWBITS_OVADD) { - PSB_WVDC32(arg->overlay.OVADD, OVC_OVADD); - if (arg->overlay.b_wait_vblank) { - /* Wait for 20ms.*/ - unsigned long vblank_timeout = - jiffies + HZ/50; - uint32_t temp; - while (time_before_eq(jiffies, - vblank_timeout)) { - temp = PSB_RVDC32(OVC_DOVCSTA); - if ((temp & (0x1 << 31)) != 0) - break; - cpu_relax(); - } - } - } - gma_power_end(dev); - } else { - if (arg->overlay_write_mask & OV_REGRWBITS_OGAM_ALL) { - dev_priv->saveOV_OGAMC5 = arg->overlay.OGAMC5; - dev_priv->saveOV_OGAMC4 = arg->overlay.OGAMC4; - dev_priv->saveOV_OGAMC3 = arg->overlay.OGAMC3; - dev_priv->saveOV_OGAMC2 = arg->overlay.OGAMC2; - dev_priv->saveOV_OGAMC1 = arg->overlay.OGAMC1; - dev_priv->saveOV_OGAMC0 = arg->overlay.OGAMC0; - } - if (arg->overlay_write_mask & OVC_REGRWBITS_OGAM_ALL) { - dev_priv->saveOVC_OGAMC5 = arg->overlay.OGAMC5; - dev_priv->saveOVC_OGAMC4 = arg->overlay.OGAMC4; - dev_priv->saveOVC_OGAMC3 = arg->overlay.OGAMC3; - dev_priv->saveOVC_OGAMC2 = arg->overlay.OGAMC2; - dev_priv->saveOVC_OGAMC1 = arg->overlay.OGAMC1; - dev_priv->saveOVC_OGAMC0 = arg->overlay.OGAMC0; - } - if (arg->overlay_write_mask & OV_REGRWBITS_OVADD) - dev_priv->saveOV_OVADD = arg->overlay.OVADD; - if (arg->overlay_write_mask & OVC_REGRWBITS_OVADD) - dev_priv->saveOVC_OVADD = arg->overlay.OVADD; - } - } - - if (arg->overlay_read_mask != 0) { - if (gma_power_begin(dev, usage)) { - if (arg->overlay_read_mask & OV_REGRWBITS_OGAM_ALL) { - arg->overlay.OGAMC5 = PSB_RVDC32(OV_OGAMC5); - arg->overlay.OGAMC4 = PSB_RVDC32(OV_OGAMC4); - arg->overlay.OGAMC3 = PSB_RVDC32(OV_OGAMC3); - arg->overlay.OGAMC2 = PSB_RVDC32(OV_OGAMC2); - arg->overlay.OGAMC1 = PSB_RVDC32(OV_OGAMC1); - arg->overlay.OGAMC0 = PSB_RVDC32(OV_OGAMC0); - } - if (arg->overlay_read_mask & OVC_REGRWBITS_OGAM_ALL) { - arg->overlay.OGAMC5 = PSB_RVDC32(OVC_OGAMC5); - arg->overlay.OGAMC4 = PSB_RVDC32(OVC_OGAMC4); - arg->overlay.OGAMC3 = PSB_RVDC32(OVC_OGAMC3); - arg->overlay.OGAMC2 = PSB_RVDC32(OVC_OGAMC2); - arg->overlay.OGAMC1 = PSB_RVDC32(OVC_OGAMC1); - arg->overlay.OGAMC0 = PSB_RVDC32(OVC_OGAMC0); - } - if (arg->overlay_read_mask & OV_REGRWBITS_OVADD) - arg->overlay.OVADD = PSB_RVDC32(OV_OVADD); - if (arg->overlay_read_mask & OVC_REGRWBITS_OVADD) - arg->overlay.OVADD = PSB_RVDC32(OVC_OVADD); - gma_power_end(dev); - } else { - if (arg->overlay_read_mask & OV_REGRWBITS_OGAM_ALL) { - arg->overlay.OGAMC5 = dev_priv->saveOV_OGAMC5; - arg->overlay.OGAMC4 = dev_priv->saveOV_OGAMC4; - arg->overlay.OGAMC3 = dev_priv->saveOV_OGAMC3; - arg->overlay.OGAMC2 = dev_priv->saveOV_OGAMC2; - arg->overlay.OGAMC1 = dev_priv->saveOV_OGAMC1; - arg->overlay.OGAMC0 = dev_priv->saveOV_OGAMC0; - } - if (arg->overlay_read_mask & OVC_REGRWBITS_OGAM_ALL) { - arg->overlay.OGAMC5 = dev_priv->saveOVC_OGAMC5; - arg->overlay.OGAMC4 = dev_priv->saveOVC_OGAMC4; - arg->overlay.OGAMC3 = dev_priv->saveOVC_OGAMC3; - arg->overlay.OGAMC2 = dev_priv->saveOVC_OGAMC2; - arg->overlay.OGAMC1 = dev_priv->saveOVC_OGAMC1; - arg->overlay.OGAMC0 = dev_priv->saveOVC_OGAMC0; - } - if (arg->overlay_read_mask & OV_REGRWBITS_OVADD) - arg->overlay.OVADD = dev_priv->saveOV_OVADD; - if (arg->overlay_read_mask & OVC_REGRWBITS_OVADD) - arg->overlay.OVADD = dev_priv->saveOVC_OVADD; - } - } - - if (arg->sprite_enable_mask != 0) { - if (gma_power_begin(dev, usage)) { - PSB_WVDC32(0x1F3E, DSPARB); - PSB_WVDC32(arg->sprite.dspa_control - | PSB_RVDC32(DSPACNTR), DSPACNTR); - PSB_WVDC32(arg->sprite.dspa_key_value, DSPAKEYVAL); - PSB_WVDC32(arg->sprite.dspa_key_mask, DSPAKEYMASK); - PSB_WVDC32(PSB_RVDC32(DSPASURF), DSPASURF); - PSB_RVDC32(DSPASURF); - PSB_WVDC32(arg->sprite.dspc_control, DSPCCNTR); - PSB_WVDC32(arg->sprite.dspc_stride, DSPCSTRIDE); - PSB_WVDC32(arg->sprite.dspc_position, DSPCPOS); - PSB_WVDC32(arg->sprite.dspc_linear_offset, DSPCLINOFF); - PSB_WVDC32(arg->sprite.dspc_size, DSPCSIZE); - PSB_WVDC32(arg->sprite.dspc_surface, DSPCSURF); - PSB_RVDC32(DSPCSURF); - gma_power_end(dev); - } - } - - if (arg->sprite_disable_mask != 0) { - if (gma_power_begin(dev, usage)) { - PSB_WVDC32(0x3F3E, DSPARB); - PSB_WVDC32(0x0, DSPCCNTR); - PSB_WVDC32(arg->sprite.dspc_surface, DSPCSURF); - PSB_RVDC32(DSPCSURF); - gma_power_end(dev); - } - } - - if (arg->subpicture_enable_mask != 0) { - if (gma_power_begin(dev, usage)) { - uint32_t temp; - if (arg->subpicture_enable_mask & REGRWBITS_DSPACNTR) { - temp = PSB_RVDC32(DSPACNTR); - temp &= ~DISPPLANE_PIXFORMAT_MASK; - temp &= ~DISPPLANE_BOTTOM; - temp |= DISPPLANE_32BPP; - PSB_WVDC32(temp, DSPACNTR); - - temp = PSB_RVDC32(DSPABASE); - PSB_WVDC32(temp, DSPABASE); - PSB_RVDC32(DSPABASE); - temp = PSB_RVDC32(DSPASURF); - PSB_WVDC32(temp, DSPASURF); - PSB_RVDC32(DSPASURF); - } - if (arg->subpicture_enable_mask & REGRWBITS_DSPBCNTR) { - temp = PSB_RVDC32(DSPBCNTR); - temp &= ~DISPPLANE_PIXFORMAT_MASK; - temp &= ~DISPPLANE_BOTTOM; - temp |= DISPPLANE_32BPP; - PSB_WVDC32(temp, DSPBCNTR); - - temp = PSB_RVDC32(DSPBBASE); - PSB_WVDC32(temp, DSPBBASE); - PSB_RVDC32(DSPBBASE); - temp = PSB_RVDC32(DSPBSURF); - PSB_WVDC32(temp, DSPBSURF); - PSB_RVDC32(DSPBSURF); - } - if (arg->subpicture_enable_mask & REGRWBITS_DSPCCNTR) { - temp = PSB_RVDC32(DSPCCNTR); - temp &= ~DISPPLANE_PIXFORMAT_MASK; - temp &= ~DISPPLANE_BOTTOM; - temp |= DISPPLANE_32BPP; - PSB_WVDC32(temp, DSPCCNTR); - - temp = PSB_RVDC32(DSPCBASE); - PSB_WVDC32(temp, DSPCBASE); - PSB_RVDC32(DSPCBASE); - temp = PSB_RVDC32(DSPCSURF); - PSB_WVDC32(temp, DSPCSURF); - PSB_RVDC32(DSPCSURF); - } - gma_power_end(dev); - } - } - - if (arg->subpicture_disable_mask != 0) { - if (gma_power_begin(dev, usage)) { - uint32_t temp; - if (arg->subpicture_disable_mask & REGRWBITS_DSPACNTR) { - temp = PSB_RVDC32(DSPACNTR); - temp &= ~DISPPLANE_PIXFORMAT_MASK; - temp |= DISPPLANE_32BPP_NO_ALPHA; - PSB_WVDC32(temp, DSPACNTR); - - temp = PSB_RVDC32(DSPABASE); - PSB_WVDC32(temp, DSPABASE); - PSB_RVDC32(DSPABASE); - temp = PSB_RVDC32(DSPASURF); - PSB_WVDC32(temp, DSPASURF); - PSB_RVDC32(DSPASURF); - } - if (arg->subpicture_disable_mask & REGRWBITS_DSPBCNTR) { - temp = PSB_RVDC32(DSPBCNTR); - temp &= ~DISPPLANE_PIXFORMAT_MASK; - temp |= DISPPLANE_32BPP_NO_ALPHA; - PSB_WVDC32(temp, DSPBCNTR); - - temp = PSB_RVDC32(DSPBBASE); - PSB_WVDC32(temp, DSPBBASE); - PSB_RVDC32(DSPBBASE); - temp = PSB_RVDC32(DSPBSURF); - PSB_WVDC32(temp, DSPBSURF); - PSB_RVDC32(DSPBSURF); - } - if (arg->subpicture_disable_mask & REGRWBITS_DSPCCNTR) { - temp = PSB_RVDC32(DSPCCNTR); - temp &= ~DISPPLANE_PIXFORMAT_MASK; - temp |= DISPPLANE_32BPP_NO_ALPHA; - PSB_WVDC32(temp, DSPCCNTR); - - temp = PSB_RVDC32(DSPCBASE); - PSB_WVDC32(temp, DSPCBASE); - PSB_RVDC32(DSPCBASE); - temp = PSB_RVDC32(DSPCSURF); - PSB_WVDC32(temp, DSPCSURF); - PSB_RVDC32(DSPCSURF); - } - gma_power_end(dev); - } - } - - return 0; -} - -static int psb_driver_open(struct drm_device *dev, struct drm_file *priv) -{ - return 0; -} - -static void psb_driver_close(struct drm_device *dev, struct drm_file *priv) -{ -} - -static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd, - unsigned long arg) -{ - struct drm_file *file_priv = filp->private_data; - struct drm_device *dev = file_priv->minor->dev; - int ret; - - pm_runtime_forbid(dev->dev); - ret = drm_ioctl(filp, cmd, arg); - pm_runtime_allow(dev->dev); - return ret; - /* FIXME: do we need to wrap the other side of this */ -} - - -/* When a client dies: - * - Check for and clean up flipped page state - */ -void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv) -{ -} - -static void psb_remove(struct pci_dev *pdev) -{ - struct drm_device *dev = pci_get_drvdata(pdev); - drm_put_dev(dev); -} - -static const struct dev_pm_ops psb_pm_ops = { - .suspend = gma_power_suspend, - .resume = gma_power_resume, - .freeze = gma_power_suspend, - .thaw = gma_power_resume, - .poweroff = gma_power_suspend, - .restore = gma_power_resume, - .runtime_suspend = psb_runtime_suspend, - .runtime_resume = psb_runtime_resume, - .runtime_idle = psb_runtime_idle, -}; - -static struct vm_operations_struct psb_gem_vm_ops = { - .fault = psb_gem_fault, - .open = drm_gem_vm_open, - .close = drm_gem_vm_close, -}; - -static const struct file_operations gma500_driver_fops = { - .owner = THIS_MODULE, - .open = drm_open, - .release = drm_release, - .unlocked_ioctl = psb_unlocked_ioctl, - .mmap = drm_gem_mmap, - .poll = drm_poll, - .fasync = drm_fasync, - .read = drm_read, -}; - -static struct drm_driver driver = { - .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \ - DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM , - .load = psb_driver_load, - .unload = psb_driver_unload, - - .ioctls = psb_ioctls, - .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls), - .device_is_agp = psb_driver_device_is_agp, - .irq_preinstall = psb_irq_preinstall, - .irq_postinstall = psb_irq_postinstall, - .irq_uninstall = psb_irq_uninstall, - .irq_handler = psb_irq_handler, - .enable_vblank = psb_enable_vblank, - .disable_vblank = psb_disable_vblank, - .get_vblank_counter = psb_get_vblank_counter, - .lastclose = psb_lastclose, - .open = psb_driver_open, - .preclose = psb_driver_preclose, - .postclose = psb_driver_close, - .reclaim_buffers = drm_core_reclaim_buffers, - - .gem_init_object = psb_gem_init_object, - .gem_free_object = psb_gem_free_object, - .gem_vm_ops = &psb_gem_vm_ops, - .dumb_create = psb_gem_dumb_create, - .dumb_map_offset = psb_gem_dumb_map_gtt, - .dumb_destroy = psb_gem_dumb_destroy, - .fops = &gma500_driver_fops, - .name = DRIVER_NAME, - .desc = DRIVER_DESC, - .date = PSB_DRM_DRIVER_DATE, - .major = PSB_DRM_DRIVER_MAJOR, - .minor = PSB_DRM_DRIVER_MINOR, - .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL -}; - -static struct pci_driver psb_pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - .probe = psb_probe, - .remove = psb_remove, - .driver.pm = &psb_pm_ops, -}; - -static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) -{ - return drm_get_pci_dev(pdev, ent, &driver); -} - -static int __init psb_init(void) -{ - return drm_pci_init(&driver, &psb_pci_driver); -} - -static void __exit psb_exit(void) -{ - drm_pci_exit(&driver, &psb_pci_driver); -} - -late_initcall(psb_init); -module_exit(psb_exit); - -MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others"); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); diff --git a/drivers/staging/gma500/psb_drv.h b/drivers/staging/gma500/psb_drv.h deleted file mode 100644 index 11d963a055be74..00000000000000 --- a/drivers/staging/gma500/psb_drv.h +++ /dev/null @@ -1,952 +0,0 @@ -/************************************************************************** - * Copyright (c) 2007-2011, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - **************************************************************************/ - -#ifndef _PSB_DRV_H_ -#define _PSB_DRV_H_ - -#include <linux/kref.h> - -#include <drm/drmP.h> -#include "drm_global.h" -#include "gem_glue.h" -#include "psb_drm.h" -#include "psb_reg.h" -#include "psb_intel_drv.h" -#include "gtt.h" -#include "power.h" -#include "mrst.h" -#include "medfield.h" - -/* Append new drm mode definition here, align with libdrm definition */ -#define DRM_MODE_SCALE_NO_SCALE 2 - -enum { - CHIP_PSB_8108 = 0, /* Poulsbo */ - CHIP_PSB_8109 = 1, /* Poulsbo */ - CHIP_MRST_4100 = 2, /* Moorestown/Oaktrail */ - CHIP_MFLD_0130 = 3, /* Medfield */ -}; - -#define IS_PSB(dev) (((dev)->pci_device & 0xfffe) == 0x8108) -#define IS_MRST(dev) (((dev)->pci_device & 0xfffc) == 0x4100) -#define IS_MFLD(dev) (((dev)->pci_device & 0xfff8) == 0x0130) - -/* - * Driver definitions - */ - -#define DRIVER_NAME "gma500" -#define DRIVER_DESC "DRM driver for the Intel GMA500" - -#define PSB_DRM_DRIVER_DATE "2011-06-06" -#define PSB_DRM_DRIVER_MAJOR 1 -#define PSB_DRM_DRIVER_MINOR 0 -#define PSB_DRM_DRIVER_PATCHLEVEL 0 - -/* - * Hardware offsets - */ -#define PSB_VDC_OFFSET 0x00000000 -#define PSB_VDC_SIZE 0x000080000 -#define MRST_MMIO_SIZE 0x0000C0000 -#define MDFLD_MMIO_SIZE 0x000100000 -#define PSB_SGX_SIZE 0x8000 -#define PSB_SGX_OFFSET 0x00040000 -#define MRST_SGX_OFFSET 0x00080000 -/* - * PCI resource identifiers - */ -#define PSB_MMIO_RESOURCE 0 -#define PSB_GATT_RESOURCE 2 -#define PSB_GTT_RESOURCE 3 -/* - * PCI configuration - */ -#define PSB_GMCH_CTRL 0x52 -#define PSB_BSM 0x5C -#define _PSB_GMCH_ENABLED 0x4 -#define PSB_PGETBL_CTL 0x2020 -#define _PSB_PGETBL_ENABLED 0x00000001 -#define PSB_SGX_2D_SLAVE_PORT 0x4000 - -/* To get rid of */ -#define PSB_TT_PRIV0_LIMIT (256*1024*1024) -#define PSB_TT_PRIV0_PLIMIT (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT) - -/* - * SGX side MMU definitions (these can probably go) - */ - -/* - * Flags for external memory type field. - */ -#define PSB_MMU_CACHED_MEMORY 0x0001 /* Bind to MMU only */ -#define PSB_MMU_RO_MEMORY 0x0002 /* MMU RO memory */ -#define PSB_MMU_WO_MEMORY 0x0004 /* MMU WO memory */ -/* - * PTE's and PDE's - */ -#define PSB_PDE_MASK 0x003FFFFF -#define PSB_PDE_SHIFT 22 -#define PSB_PTE_SHIFT 12 -/* - * Cache control - */ -#define PSB_PTE_VALID 0x0001 /* PTE / PDE valid */ -#define PSB_PTE_WO 0x0002 /* Write only */ -#define PSB_PTE_RO 0x0004 /* Read only */ -#define PSB_PTE_CACHED 0x0008 /* CPU cache coherent */ - -/* - * VDC registers and bits - */ -#define PSB_MSVDX_CLOCKGATING 0x2064 -#define PSB_TOPAZ_CLOCKGATING 0x2068 -#define PSB_HWSTAM 0x2098 -#define PSB_INSTPM 0x20C0 -#define PSB_INT_IDENTITY_R 0x20A4 -#define _MDFLD_PIPEC_EVENT_FLAG (1<<2) -#define _MDFLD_PIPEC_VBLANK_FLAG (1<<3) -#define _PSB_DPST_PIPEB_FLAG (1<<4) -#define _MDFLD_PIPEB_EVENT_FLAG (1<<4) -#define _PSB_VSYNC_PIPEB_FLAG (1<<5) -#define _PSB_DPST_PIPEA_FLAG (1<<6) -#define _PSB_PIPEA_EVENT_FLAG (1<<6) -#define _PSB_VSYNC_PIPEA_FLAG (1<<7) -#define _MDFLD_MIPIA_FLAG (1<<16) -#define _MDFLD_MIPIC_FLAG (1<<17) -#define _PSB_IRQ_SGX_FLAG (1<<18) -#define _PSB_IRQ_MSVDX_FLAG (1<<19) -#define _LNC_IRQ_TOPAZ_FLAG (1<<20) - -#define _PSB_PIPE_EVENT_FLAG (_PSB_VSYNC_PIPEA_FLAG | \ - _PSB_VSYNC_PIPEB_FLAG) - -/* This flag includes all the display IRQ bits excepts the vblank irqs. */ -#define _MDFLD_DISP_ALL_IRQ_FLAG (_MDFLD_PIPEC_EVENT_FLAG | \ - _MDFLD_PIPEB_EVENT_FLAG | \ - _PSB_PIPEA_EVENT_FLAG | \ - _PSB_VSYNC_PIPEA_FLAG | \ - _MDFLD_MIPIA_FLAG | \ - _MDFLD_MIPIC_FLAG) -#define PSB_INT_IDENTITY_R 0x20A4 -#define PSB_INT_MASK_R 0x20A8 -#define PSB_INT_ENABLE_R 0x20A0 - -#define _PSB_MMU_ER_MASK 0x0001FF00 -#define _PSB_MMU_ER_HOST (1 << 16) -#define GPIOA 0x5010 -#define GPIOB 0x5014 -#define GPIOC 0x5018 -#define GPIOD 0x501c -#define GPIOE 0x5020 -#define GPIOF 0x5024 -#define GPIOG 0x5028 -#define GPIOH 0x502c -#define GPIO_CLOCK_DIR_MASK (1 << 0) -#define GPIO_CLOCK_DIR_IN (0 << 1) -#define GPIO_CLOCK_DIR_OUT (1 << 1) -#define GPIO_CLOCK_VAL_MASK (1 << 2) -#define GPIO_CLOCK_VAL_OUT (1 << 3) -#define GPIO_CLOCK_VAL_IN (1 << 4) -#define GPIO_CLOCK_PULLUP_DISABLE (1 << 5) -#define GPIO_DATA_DIR_MASK (1 << 8) -#define GPIO_DATA_DIR_IN (0 << 9) -#define GPIO_DATA_DIR_OUT (1 << 9) -#define GPIO_DATA_VAL_MASK (1 << 10) -#define GPIO_DATA_VAL_OUT (1 << 11) -#define GPIO_DATA_VAL_IN (1 << 12) -#define GPIO_DATA_PULLUP_DISABLE (1 << 13) - -#define VCLK_DIVISOR_VGA0 0x6000 -#define VCLK_DIVISOR_VGA1 0x6004 -#define VCLK_POST_DIV 0x6010 - -#define PSB_COMM_2D (PSB_ENGINE_2D << 4) -#define PSB_COMM_3D (PSB_ENGINE_3D << 4) -#define PSB_COMM_TA (PSB_ENGINE_TA << 4) -#define PSB_COMM_HP (PSB_ENGINE_HP << 4) -#define PSB_COMM_USER_IRQ (1024 >> 2) -#define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1) -#define PSB_COMM_FW (2048 >> 2) - -#define PSB_UIRQ_VISTEST 1 -#define PSB_UIRQ_OOM_REPLY 2 -#define PSB_UIRQ_FIRE_TA_REPLY 3 -#define PSB_UIRQ_FIRE_RASTER_REPLY 4 - -#define PSB_2D_SIZE (256*1024*1024) -#define PSB_MAX_RELOC_PAGES 1024 - -#define PSB_LOW_REG_OFFS 0x0204 -#define PSB_HIGH_REG_OFFS 0x0600 - -#define PSB_NUM_VBLANKS 2 - - -#define PSB_2D_SIZE (256*1024*1024) -#define PSB_MAX_RELOC_PAGES 1024 - -#define PSB_LOW_REG_OFFS 0x0204 -#define PSB_HIGH_REG_OFFS 0x0600 - -#define PSB_NUM_VBLANKS 2 -#define PSB_WATCHDOG_DELAY (DRM_HZ * 2) -#define PSB_LID_DELAY (DRM_HZ / 10) - -#define MDFLD_PNW_B0 0x04 -#define MDFLD_PNW_C0 0x08 - -#define MDFLD_DSR_2D_3D_0 (1 << 0) -#define MDFLD_DSR_2D_3D_2 (1 << 1) -#define MDFLD_DSR_CURSOR_0 (1 << 2) -#define MDFLD_DSR_CURSOR_2 (1 << 3) -#define MDFLD_DSR_OVERLAY_0 (1 << 4) -#define MDFLD_DSR_OVERLAY_2 (1 << 5) -#define MDFLD_DSR_MIPI_CONTROL (1 << 6) -#define MDFLD_DSR_DAMAGE_MASK_0 ((1 << 0) | (1 << 2) | (1 << 4)) -#define MDFLD_DSR_DAMAGE_MASK_2 ((1 << 1) | (1 << 3) | (1 << 5)) -#define MDFLD_DSR_2D_3D (MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2) - -#define MDFLD_DSR_RR 45 -#define MDFLD_DPU_ENABLE (1 << 31) -#define MDFLD_DSR_FULLSCREEN (1 << 30) -#define MDFLD_DSR_DELAY (DRM_HZ / MDFLD_DSR_RR) - -#define PSB_PWR_STATE_ON 1 -#define PSB_PWR_STATE_OFF 2 - -#define PSB_PMPOLICY_NOPM 0 -#define PSB_PMPOLICY_CLOCKGATING 1 -#define PSB_PMPOLICY_POWERDOWN 2 - -#define PSB_PMSTATE_POWERUP 0 -#define PSB_PMSTATE_CLOCKGATED 1 -#define PSB_PMSTATE_POWERDOWN 2 -#define PSB_PCIx_MSI_ADDR_LOC 0x94 -#define PSB_PCIx_MSI_DATA_LOC 0x98 - -/* Medfield crystal settings */ -#define KSEL_CRYSTAL_19 1 -#define KSEL_BYPASS_19 5 -#define KSEL_BYPASS_25 6 -#define KSEL_BYPASS_83_100 7 - -struct opregion_header; -struct opregion_acpi; -struct opregion_swsci; -struct opregion_asle; - -struct psb_intel_opregion { - struct opregion_header *header; - struct opregion_acpi *acpi; - struct opregion_swsci *swsci; - struct opregion_asle *asle; - int enabled; -}; - -struct psb_ops; - -struct drm_psb_private { - struct drm_device *dev; - const struct psb_ops *ops; - - struct psb_gtt gtt; - - /* GTT Memory manager */ - struct psb_gtt_mm *gtt_mm; - struct page *scratch_page; - u32 *gtt_map; - uint32_t stolen_base; - void *vram_addr; - unsigned long vram_stolen_size; - int gtt_initialized; - u16 gmch_ctrl; /* Saved GTT setup */ - u32 pge_ctl; - - struct mutex gtt_mutex; - struct resource *gtt_mem; /* Our PCI resource */ - - struct psb_mmu_driver *mmu; - struct psb_mmu_pd *pf_pd; - - /* - * Register base - */ - - uint8_t *sgx_reg; - uint8_t *vdc_reg; - uint32_t gatt_free_offset; - - /* - * Fencing / irq. - */ - - uint32_t vdc_irq_mask; - uint32_t pipestat[PSB_NUM_PIPE]; - - spinlock_t irqmask_lock; - - /* - * Power - */ - - bool suspended; - bool display_power; - int display_count; - - /* - * Modesetting - */ - struct psb_intel_mode_device mode_dev; - - struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE]; - struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE]; - uint32_t num_pipe; - - /* - * OSPM info (Power management base) (can go ?) - */ - uint32_t ospm_base; - - /* - * Sizes info - */ - - struct drm_psb_sizes_arg sizes; - - u32 fuse_reg_value; - u32 video_device_fuse; - - /* PCI revision ID for B0:D2:F0 */ - uint8_t platform_rev_id; - - /* - * LVDS info - */ - int backlight_duty_cycle; /* restore backlight to this value */ - bool panel_wants_dither; - struct drm_display_mode *panel_fixed_mode; - struct drm_display_mode *lfp_lvds_vbt_mode; - struct drm_display_mode *sdvo_lvds_vbt_mode; - - struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */ - struct psb_intel_i2c_chan *lvds_i2c_bus; - - /* Feature bits from the VBIOS */ - unsigned int int_tv_support:1; - unsigned int lvds_dither:1; - unsigned int lvds_vbt:1; - unsigned int int_crt_support:1; - unsigned int lvds_use_ssc:1; - int lvds_ssc_freq; - bool is_lvds_on; - bool is_mipi_on; - u32 mipi_ctrl_display; - - unsigned int core_freq; - uint32_t iLVDS_enable; - - /* Runtime PM state */ - int rpm_enabled; - - /* MID specific */ - struct mrst_vbt vbt_data; - struct mrst_gct_data gct_data; - - /* MIPI Panel type etc */ - int panel_id; - bool dual_mipi; /* dual display - DPI & DBI */ - bool dpi_panel_on; /* The DPI panel power is on */ - bool dpi_panel_on2; /* The DPI panel power is on */ - bool dbi_panel_on; /* The DBI panel power is on */ - bool dbi_panel_on2; /* The DBI panel power is on */ - u32 dsr_fb_update; /* DSR FB update counter */ - - /* Moorestown HDMI state */ - struct mrst_hdmi_dev *hdmi_priv; - - /* Moorestown pipe config register value cache */ - uint32_t pipeconf; - uint32_t pipeconf1; - uint32_t pipeconf2; - - /* Moorestown plane control register value cache */ - uint32_t dspcntr; - uint32_t dspcntr1; - uint32_t dspcntr2; - - /* Moorestown MM backlight cache */ - uint8_t saveBKLTCNT; - uint8_t saveBKLTREQ; - uint8_t saveBKLTBRTL; - - /* - * Register state - */ - uint32_t saveDSPACNTR; - uint32_t saveDSPBCNTR; - uint32_t savePIPEACONF; - uint32_t savePIPEBCONF; - uint32_t savePIPEASRC; - uint32_t savePIPEBSRC; - uint32_t saveFPA0; - uint32_t saveFPA1; - uint32_t saveDPLL_A; - uint32_t saveDPLL_A_MD; - uint32_t saveHTOTAL_A; - uint32_t saveHBLANK_A; - uint32_t saveHSYNC_A; - uint32_t saveVTOTAL_A; - uint32_t saveVBLANK_A; - uint32_t saveVSYNC_A; - uint32_t saveDSPASTRIDE; - uint32_t saveDSPASIZE; - uint32_t saveDSPAPOS; - uint32_t saveDSPABASE; - uint32_t saveDSPASURF; - uint32_t saveDSPASTATUS; - uint32_t saveFPB0; - uint32_t saveFPB1; - uint32_t saveDPLL_B; - uint32_t saveDPLL_B_MD; - uint32_t saveHTOTAL_B; - uint32_t saveHBLANK_B; - uint32_t saveHSYNC_B; - uint32_t saveVTOTAL_B; - uint32_t saveVBLANK_B; - uint32_t saveVSYNC_B; - uint32_t saveDSPBSTRIDE; - uint32_t saveDSPBSIZE; - uint32_t saveDSPBPOS; - uint32_t saveDSPBBASE; - uint32_t saveDSPBSURF; - uint32_t saveDSPBSTATUS; - uint32_t saveVCLK_DIVISOR_VGA0; - uint32_t saveVCLK_DIVISOR_VGA1; - uint32_t saveVCLK_POST_DIV; - uint32_t saveVGACNTRL; - uint32_t saveADPA; - uint32_t saveLVDS; - uint32_t saveDVOA; - uint32_t saveDVOB; - uint32_t saveDVOC; - uint32_t savePP_ON; - uint32_t savePP_OFF; - uint32_t savePP_CONTROL; - uint32_t savePP_CYCLE; - uint32_t savePFIT_CONTROL; - uint32_t savePaletteA[256]; - uint32_t savePaletteB[256]; - uint32_t saveBLC_PWM_CTL2; - uint32_t saveBLC_PWM_CTL; - uint32_t saveCLOCKGATING; - uint32_t saveDSPARB; - uint32_t saveDSPATILEOFF; - uint32_t saveDSPBTILEOFF; - uint32_t saveDSPAADDR; - uint32_t saveDSPBADDR; - uint32_t savePFIT_AUTO_RATIOS; - uint32_t savePFIT_PGM_RATIOS; - uint32_t savePP_ON_DELAYS; - uint32_t savePP_OFF_DELAYS; - uint32_t savePP_DIVISOR; - uint32_t saveBSM; - uint32_t saveVBT; - uint32_t saveBCLRPAT_A; - uint32_t saveBCLRPAT_B; - uint32_t saveDSPALINOFF; - uint32_t saveDSPBLINOFF; - uint32_t savePERF_MODE; - uint32_t saveDSPFW1; - uint32_t saveDSPFW2; - uint32_t saveDSPFW3; - uint32_t saveDSPFW4; - uint32_t saveDSPFW5; - uint32_t saveDSPFW6; - uint32_t saveCHICKENBIT; - uint32_t saveDSPACURSOR_CTRL; - uint32_t saveDSPBCURSOR_CTRL; - uint32_t saveDSPACURSOR_BASE; - uint32_t saveDSPBCURSOR_BASE; - uint32_t saveDSPACURSOR_POS; - uint32_t saveDSPBCURSOR_POS; - uint32_t save_palette_a[256]; - uint32_t save_palette_b[256]; - uint32_t saveOV_OVADD; - uint32_t saveOV_OGAMC0; - uint32_t saveOV_OGAMC1; - uint32_t saveOV_OGAMC2; - uint32_t saveOV_OGAMC3; - uint32_t saveOV_OGAMC4; - uint32_t saveOV_OGAMC5; - uint32_t saveOVC_OVADD; - uint32_t saveOVC_OGAMC0; - uint32_t saveOVC_OGAMC1; - uint32_t saveOVC_OGAMC2; - uint32_t saveOVC_OGAMC3; - uint32_t saveOVC_OGAMC4; - uint32_t saveOVC_OGAMC5; - - /* MSI reg save */ - uint32_t msi_addr; - uint32_t msi_data; - - /* Medfield specific register save state */ - uint32_t saveHDMIPHYMISCCTL; - uint32_t saveHDMIB_CONTROL; - uint32_t saveDSPCCNTR; - uint32_t savePIPECCONF; - uint32_t savePIPECSRC; - uint32_t saveHTOTAL_C; - uint32_t saveHBLANK_C; - uint32_t saveHSYNC_C; - uint32_t saveVTOTAL_C; - uint32_t saveVBLANK_C; - uint32_t saveVSYNC_C; - uint32_t saveDSPCSTRIDE; - uint32_t saveDSPCSIZE; - uint32_t saveDSPCPOS; - uint32_t saveDSPCSURF; - uint32_t saveDSPCSTATUS; - uint32_t saveDSPCLINOFF; - uint32_t saveDSPCTILEOFF; - uint32_t saveDSPCCURSOR_CTRL; - uint32_t saveDSPCCURSOR_BASE; - uint32_t saveDSPCCURSOR_POS; - uint32_t save_palette_c[256]; - uint32_t saveOV_OVADD_C; - uint32_t saveOV_OGAMC0_C; - uint32_t saveOV_OGAMC1_C; - uint32_t saveOV_OGAMC2_C; - uint32_t saveOV_OGAMC3_C; - uint32_t saveOV_OGAMC4_C; - uint32_t saveOV_OGAMC5_C; - - /* DSI register save */ - uint32_t saveDEVICE_READY_REG; - uint32_t saveINTR_EN_REG; - uint32_t saveDSI_FUNC_PRG_REG; - uint32_t saveHS_TX_TIMEOUT_REG; - uint32_t saveLP_RX_TIMEOUT_REG; - uint32_t saveTURN_AROUND_TIMEOUT_REG; - uint32_t saveDEVICE_RESET_REG; - uint32_t saveDPI_RESOLUTION_REG; - uint32_t saveHORIZ_SYNC_PAD_COUNT_REG; - uint32_t saveHORIZ_BACK_PORCH_COUNT_REG; - uint32_t saveHORIZ_FRONT_PORCH_COUNT_REG; - uint32_t saveHORIZ_ACTIVE_AREA_COUNT_REG; - uint32_t saveVERT_SYNC_PAD_COUNT_REG; - uint32_t saveVERT_BACK_PORCH_COUNT_REG; - uint32_t saveVERT_FRONT_PORCH_COUNT_REG; - uint32_t saveHIGH_LOW_SWITCH_COUNT_REG; - uint32_t saveINIT_COUNT_REG; - uint32_t saveMAX_RET_PAK_REG; - uint32_t saveVIDEO_FMT_REG; - uint32_t saveEOT_DISABLE_REG; - uint32_t saveLP_BYTECLK_REG; - uint32_t saveHS_LS_DBI_ENABLE_REG; - uint32_t saveTXCLKESC_REG; - uint32_t saveDPHY_PARAM_REG; - uint32_t saveMIPI_CONTROL_REG; - uint32_t saveMIPI; - uint32_t saveMIPI_C; - - /* DPST register save */ - uint32_t saveHISTOGRAM_INT_CONTROL_REG; - uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG; - uint32_t savePWM_CONTROL_LOGIC; - - /* - * DSI info. - */ - void * dbi_dsr_info; - void * dbi_dpu_info; - void * dsi_configs[2]; - /* - * LID-Switch - */ - spinlock_t lid_lock; - struct timer_list lid_timer; - struct psb_intel_opregion opregion; - u32 *lid_state; - u32 lid_last_state; - - /* - * Watchdog - */ - - uint32_t apm_reg; - uint16_t apm_base; - - /* - * Used for modifying backlight from - * xrandr -- consider removing and using HAL instead - */ - struct backlight_device *backlight_device; - struct drm_property *backlight_property; - uint32_t blc_adj1; - uint32_t blc_adj2; - - void *fbdev; - /* DPST state */ - uint32_t dsr_idle_count; - bool is_in_idle; - bool dsr_enable; - void (*exit_idle)(struct drm_device *dev, u32 update_src); - - /* 2D acceleration */ - spinlock_t lock_2d; - - /* FIXME: Arrays anyone ? */ - struct mdfld_dsi_encoder *encoder0; - struct mdfld_dsi_encoder *encoder2; - struct mdfld_dsi_dbi_output * dbi_output; - struct mdfld_dsi_dbi_output * dbi_output2; - u32 bpp; - u32 bpp2; - - bool dispstatus; -}; - - -/* - * Operations for each board type - */ - -struct psb_ops { - const char *name; - unsigned int accel_2d:1; - int pipes; /* Number of output pipes */ - int crtcs; /* Number of CRTCs */ - int sgx_offset; /* Base offset of SGX device */ - - /* Sub functions */ - struct drm_crtc_helper_funcs const *crtc_helper; - struct drm_crtc_funcs const *crtc_funcs; - - /* Setup hooks */ - int (*chip_setup)(struct drm_device *dev); - void (*chip_teardown)(struct drm_device *dev); - - /* Display management hooks */ - int (*output_init)(struct drm_device *dev); - /* Power management hooks */ - void (*init_pm)(struct drm_device *dev); - int (*save_regs)(struct drm_device *dev); - int (*restore_regs)(struct drm_device *dev); - int (*power_up)(struct drm_device *dev); - int (*power_down)(struct drm_device *dev); - - void (*lvds_bl_power)(struct drm_device *dev, bool on); -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - /* Backlight */ - int (*backlight_init)(struct drm_device *dev); -#endif - int i2c_bus; /* I2C bus identifier for Moorestown */ -}; - - - -struct psb_mmu_driver; - -extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int); -extern int drm_pick_crtcs(struct drm_device *dev); - -static inline struct drm_psb_private *psb_priv(struct drm_device *dev) -{ - return (struct drm_psb_private *) dev->dev_private; -} - -/* - * MMU stuff. - */ - -extern struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers, - int trap_pagefaults, - int invalid_type, - struct drm_psb_private *dev_priv); -extern void psb_mmu_driver_takedown(struct psb_mmu_driver *driver); -extern struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver - *driver); -extern void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd, uint32_t mmu_offset, - uint32_t gtt_start, uint32_t gtt_pages); -extern struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver, - int trap_pagefaults, - int invalid_type); -extern void psb_mmu_free_pagedir(struct psb_mmu_pd *pd); -extern void psb_mmu_flush(struct psb_mmu_driver *driver, int rc_prot); -extern void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd, - unsigned long address, - uint32_t num_pages); -extern int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd, - uint32_t start_pfn, - unsigned long address, - uint32_t num_pages, int type); -extern int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual, - unsigned long *pfn); - -/* - * Enable / disable MMU for different requestors. - */ - - -extern void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context); -extern int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages, - unsigned long address, uint32_t num_pages, - uint32_t desired_tile_stride, - uint32_t hw_tile_stride, int type); -extern void psb_mmu_remove_pages(struct psb_mmu_pd *pd, - unsigned long address, uint32_t num_pages, - uint32_t desired_tile_stride, - uint32_t hw_tile_stride); -/* - *psb_irq.c - */ - -extern irqreturn_t psb_irq_handler(DRM_IRQ_ARGS); -extern int psb_irq_enable_dpst(struct drm_device *dev); -extern int psb_irq_disable_dpst(struct drm_device *dev); -extern void psb_irq_preinstall(struct drm_device *dev); -extern int psb_irq_postinstall(struct drm_device *dev); -extern void psb_irq_uninstall(struct drm_device *dev); -extern void psb_irq_turn_on_dpst(struct drm_device *dev); -extern void psb_irq_turn_off_dpst(struct drm_device *dev); - -extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands); -extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence); -extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence); -extern int psb_enable_vblank(struct drm_device *dev, int crtc); -extern void psb_disable_vblank(struct drm_device *dev, int crtc); -void -psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask); - -void -psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask); - -extern u32 psb_get_vblank_counter(struct drm_device *dev, int crtc); - -extern int mdfld_enable_te(struct drm_device *dev, int pipe); -extern void mdfld_disable_te(struct drm_device *dev, int pipe); - -/* - * intel_opregion.c - */ -extern int gma_intel_opregion_init(struct drm_device *dev); -extern int gma_intel_opregion_exit(struct drm_device *dev); - -/* - * framebuffer.c - */ -extern int psbfb_probed(struct drm_device *dev); -extern int psbfb_remove(struct drm_device *dev, - struct drm_framebuffer *fb); -/* - * accel_2d.c - */ -extern void psbfb_copyarea(struct fb_info *info, - const struct fb_copyarea *region); -extern int psbfb_sync(struct fb_info *info); -extern void psb_spank(struct drm_psb_private *dev_priv); -extern int psb_accel_ioctl(struct drm_device *dev, void *data, - struct drm_file *file); - -/* - * psb_reset.c - */ - -extern void psb_lid_timer_init(struct drm_psb_private *dev_priv); -extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv); -extern void psb_print_pagefault(struct drm_psb_private *dev_priv); - -/* modesetting */ -extern void psb_modeset_init(struct drm_device *dev); -extern void psb_modeset_cleanup(struct drm_device *dev); -extern int psb_fbdev_init(struct drm_device *dev); - -/* backlight.c */ -int gma_backlight_init(struct drm_device *dev); -void gma_backlight_exit(struct drm_device *dev); - -/* mrst_crtc.c */ -extern const struct drm_crtc_helper_funcs mrst_helper_funcs; - -/* mrst_lvds.c */ -extern void mrst_lvds_init(struct drm_device *dev, - struct psb_intel_mode_device *mode_dev); - -/* psb_intel_display.c */ -extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs; -extern const struct drm_crtc_funcs psb_intel_crtc_funcs; - -/* psb_intel_lvds.c */ -extern const struct drm_connector_helper_funcs - psb_intel_lvds_connector_helper_funcs; -extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs; - -/* gem.c */ -extern int psb_gem_init_object(struct drm_gem_object *obj); -extern void psb_gem_free_object(struct drm_gem_object *obj); -extern int psb_gem_get_aperture(struct drm_device *dev, void *data, - struct drm_file *file); -extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev, - struct drm_mode_create_dumb *args); -extern int psb_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev, - uint32_t handle); -extern int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev, - uint32_t handle, uint64_t *offset); -extern int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); -extern int psb_gem_create_ioctl(struct drm_device *dev, void *data, - struct drm_file *file); -extern int psb_gem_mmap_ioctl(struct drm_device *dev, void *data, - struct drm_file *file); - -/* psb_device.c */ -extern const struct psb_ops psb_chip_ops; - -/* mrst_device.c */ -extern const struct psb_ops mrst_chip_ops; - -/* mdfld_device.c */ -extern const struct psb_ops mdfld_chip_ops; - -/* cdv_device.c */ -extern const struct psb_ops cdv_chip_ops; - -/* - * Debug print bits setting - */ -#define PSB_D_GENERAL (1 << 0) -#define PSB_D_INIT (1 << 1) -#define PSB_D_IRQ (1 << 2) -#define PSB_D_ENTRY (1 << 3) -/* debug the get H/V BP/FP count */ -#define PSB_D_HV (1 << 4) -#define PSB_D_DBI_BF (1 << 5) -#define PSB_D_PM (1 << 6) -#define PSB_D_RENDER (1 << 7) -#define PSB_D_REG (1 << 8) -#define PSB_D_MSVDX (1 << 9) -#define PSB_D_TOPAZ (1 << 10) - -extern int drm_psb_no_fb; -extern int drm_idle_check_interval; - -/* - * Utilities - */ - -static inline u32 MRST_MSG_READ32(uint port, uint offset) -{ - int mcr = (0xD0<<24) | (port << 16) | (offset << 8); - uint32_t ret_val = 0; - struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); - pci_write_config_dword(pci_root, 0xD0, mcr); - pci_read_config_dword(pci_root, 0xD4, &ret_val); - pci_dev_put(pci_root); - return ret_val; -} -static inline void MRST_MSG_WRITE32(uint port, uint offset, u32 value) -{ - int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0; - struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); - pci_write_config_dword(pci_root, 0xD4, value); - pci_write_config_dword(pci_root, 0xD0, mcr); - pci_dev_put(pci_root); -} -static inline u32 MDFLD_MSG_READ32(uint port, uint offset) -{ - int mcr = (0x10<<24) | (port << 16) | (offset << 8); - uint32_t ret_val = 0; - struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); - pci_write_config_dword(pci_root, 0xD0, mcr); - pci_read_config_dword(pci_root, 0xD4, &ret_val); - pci_dev_put(pci_root); - return ret_val; -} -static inline void MDFLD_MSG_WRITE32(uint port, uint offset, u32 value) -{ - int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0; - struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0); - pci_write_config_dword(pci_root, 0xD4, value); - pci_write_config_dword(pci_root, 0xD0, mcr); - pci_dev_put(pci_root); -} - -static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - return ioread32(dev_priv->vdc_reg + reg); -} - -#define REG_READ(reg) REGISTER_READ(dev, (reg)) - -static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg, - uint32_t val) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - iowrite32((val), dev_priv->vdc_reg + (reg)); -} - -#define REG_WRITE(reg, val) REGISTER_WRITE(dev, (reg), (val)) - -static inline void REGISTER_WRITE16(struct drm_device *dev, - uint32_t reg, uint32_t val) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - iowrite16((val), dev_priv->vdc_reg + (reg)); -} - -#define REG_WRITE16(reg, val) REGISTER_WRITE16(dev, (reg), (val)) - -static inline void REGISTER_WRITE8(struct drm_device *dev, - uint32_t reg, uint32_t val) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - iowrite8((val), dev_priv->vdc_reg + (reg)); -} - -#define REG_WRITE8(reg, val) REGISTER_WRITE8(dev, (reg), (val)) - -#define PSB_WVDC32(_val, _offs) iowrite32(_val, dev_priv->vdc_reg + (_offs)) -#define PSB_RVDC32(_offs) ioread32(dev_priv->vdc_reg + (_offs)) - -/* #define TRAP_SGX_PM_FAULT 1 */ -#ifdef TRAP_SGX_PM_FAULT -#define PSB_RSGX32(_offs) \ -({ \ - if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) { \ - printk(KERN_ERR \ - "access sgx when it's off!! (READ) %s, %d\n", \ - __FILE__, __LINE__); \ - melay(1000); \ - } \ - ioread32(dev_priv->sgx_reg + (_offs)); \ -}) -#else -#define PSB_RSGX32(_offs) ioread32(dev_priv->sgx_reg + (_offs)) -#endif -#define PSB_WSGX32(_val, _offs) iowrite32(_val, dev_priv->sgx_reg + (_offs)) - -#define MSVDX_REG_DUMP 0 - -#define PSB_WMSVDX32(_val, _offs) iowrite32(_val, dev_priv->msvdx_reg + (_offs)) -#define PSB_RMSVDX32(_offs) ioread32(dev_priv->msvdx_reg + (_offs)) - -#endif diff --git a/drivers/staging/gma500/psb_intel_display.c b/drivers/staging/gma500/psb_intel_display.c deleted file mode 100644 index 85659613ae624e..00000000000000 --- a/drivers/staging/gma500/psb_intel_display.c +++ /dev/null @@ -1,1429 +0,0 @@ -/* - * Copyright © 2006-2011 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: - * Eric Anholt <eric@anholt.net> - */ - -#include <linux/i2c.h> -#include <linux/pm_runtime.h> - -#include <drm/drmP.h> -#include "framebuffer.h" -#include "psb_drv.h" -#include "psb_intel_drv.h" -#include "psb_intel_reg.h" -#include "psb_intel_display.h" -#include "power.h" - -#include "mdfld_output.h" - -struct psb_intel_clock_t { - /* given values */ - int n; - int m1, m2; - int p1, p2; - /* derived values */ - int dot; - int vco; - int m; - int p; -}; - -struct psb_intel_range_t { - int min, max; -}; - -struct psb_intel_p2_t { - int dot_limit; - int p2_slow, p2_fast; -}; - -#define INTEL_P2_NUM 2 - -struct psb_intel_limit_t { - struct psb_intel_range_t dot, vco, n, m, m1, m2, p, p1; - struct psb_intel_p2_t p2; -}; - -#define I8XX_DOT_MIN 25000 -#define I8XX_DOT_MAX 350000 -#define I8XX_VCO_MIN 930000 -#define I8XX_VCO_MAX 1400000 -#define I8XX_N_MIN 3 -#define I8XX_N_MAX 16 -#define I8XX_M_MIN 96 -#define I8XX_M_MAX 140 -#define I8XX_M1_MIN 18 -#define I8XX_M1_MAX 26 -#define I8XX_M2_MIN 6 -#define I8XX_M2_MAX 16 -#define I8XX_P_MIN 4 -#define I8XX_P_MAX 128 -#define I8XX_P1_MIN 2 -#define I8XX_P1_MAX 33 -#define I8XX_P1_LVDS_MIN 1 -#define I8XX_P1_LVDS_MAX 6 -#define I8XX_P2_SLOW 4 -#define I8XX_P2_FAST 2 -#define I8XX_P2_LVDS_SLOW 14 -#define I8XX_P2_LVDS_FAST 14 /* No fast option */ -#define I8XX_P2_SLOW_LIMIT 165000 - -#define I9XX_DOT_MIN 20000 -#define I9XX_DOT_MAX 400000 -#define I9XX_VCO_MIN 1400000 -#define I9XX_VCO_MAX 2800000 -#define I9XX_N_MIN 3 -#define I9XX_N_MAX 8 -#define I9XX_M_MIN 70 -#define I9XX_M_MAX 120 -#define I9XX_M1_MIN 10 -#define I9XX_M1_MAX 20 -#define I9XX_M2_MIN 5 -#define I9XX_M2_MAX 9 -#define I9XX_P_SDVO_DAC_MIN 5 -#define I9XX_P_SDVO_DAC_MAX 80 -#define I9XX_P_LVDS_MIN 7 -#define I9XX_P_LVDS_MAX 98 -#define I9XX_P1_MIN 1 -#define I9XX_P1_MAX 8 -#define I9XX_P2_SDVO_DAC_SLOW 10 -#define I9XX_P2_SDVO_DAC_FAST 5 -#define I9XX_P2_SDVO_DAC_SLOW_LIMIT 200000 -#define I9XX_P2_LVDS_SLOW 14 -#define I9XX_P2_LVDS_FAST 7 -#define I9XX_P2_LVDS_SLOW_LIMIT 112000 - -#define INTEL_LIMIT_I8XX_DVO_DAC 0 -#define INTEL_LIMIT_I8XX_LVDS 1 -#define INTEL_LIMIT_I9XX_SDVO_DAC 2 -#define INTEL_LIMIT_I9XX_LVDS 3 - -static const struct psb_intel_limit_t psb_intel_limits[] = { - { /* INTEL_LIMIT_I8XX_DVO_DAC */ - .dot = {.min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX}, - .vco = {.min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX}, - .n = {.min = I8XX_N_MIN, .max = I8XX_N_MAX}, - .m = {.min = I8XX_M_MIN, .max = I8XX_M_MAX}, - .m1 = {.min = I8XX_M1_MIN, .max = I8XX_M1_MAX}, - .m2 = {.min = I8XX_M2_MIN, .max = I8XX_M2_MAX}, - .p = {.min = I8XX_P_MIN, .max = I8XX_P_MAX}, - .p1 = {.min = I8XX_P1_MIN, .max = I8XX_P1_MAX}, - .p2 = {.dot_limit = I8XX_P2_SLOW_LIMIT, - .p2_slow = I8XX_P2_SLOW, .p2_fast = I8XX_P2_FAST}, - }, - { /* INTEL_LIMIT_I8XX_LVDS */ - .dot = {.min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX}, - .vco = {.min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX}, - .n = {.min = I8XX_N_MIN, .max = I8XX_N_MAX}, - .m = {.min = I8XX_M_MIN, .max = I8XX_M_MAX}, - .m1 = {.min = I8XX_M1_MIN, .max = I8XX_M1_MAX}, - .m2 = {.min = I8XX_M2_MIN, .max = I8XX_M2_MAX}, - .p = {.min = I8XX_P_MIN, .max = I8XX_P_MAX}, - .p1 = {.min = I8XX_P1_LVDS_MIN, .max = I8XX_P1_LVDS_MAX}, - .p2 = {.dot_limit = I8XX_P2_SLOW_LIMIT, - .p2_slow = I8XX_P2_LVDS_SLOW, .p2_fast = I8XX_P2_LVDS_FAST}, - }, - { /* INTEL_LIMIT_I9XX_SDVO_DAC */ - .dot = {.min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX}, - .vco = {.min = I9XX_VCO_MIN, .max = I9XX_VCO_MAX}, - .n = {.min = I9XX_N_MIN, .max = I9XX_N_MAX}, - .m = {.min = I9XX_M_MIN, .max = I9XX_M_MAX}, - .m1 = {.min = I9XX_M1_MIN, .max = I9XX_M1_MAX}, - .m2 = {.min = I9XX_M2_MIN, .max = I9XX_M2_MAX}, - .p = {.min = I9XX_P_SDVO_DAC_MIN, .max = I9XX_P_SDVO_DAC_MAX}, - .p1 = {.min = I9XX_P1_MIN, .max = I9XX_P1_MAX}, - .p2 = {.dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT, - .p2_slow = I9XX_P2_SDVO_DAC_SLOW, .p2_fast = - I9XX_P2_SDVO_DAC_FAST}, - }, - { /* INTEL_LIMIT_I9XX_LVDS */ - .dot = {.min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX}, - .vco = {.min = I9XX_VCO_MIN, .max = I9XX_VCO_MAX}, - .n = {.min = I9XX_N_MIN, .max = I9XX_N_MAX}, - .m = {.min = I9XX_M_MIN, .max = I9XX_M_MAX}, - .m1 = {.min = I9XX_M1_MIN, .max = I9XX_M1_MAX}, - .m2 = {.min = I9XX_M2_MIN, .max = I9XX_M2_MAX}, - .p = {.min = I9XX_P_LVDS_MIN, .max = I9XX_P_LVDS_MAX}, - .p1 = {.min = I9XX_P1_MIN, .max = I9XX_P1_MAX}, - /* The single-channel range is 25-112Mhz, and dual-channel - * is 80-224Mhz. Prefer single channel as much as possible. - */ - .p2 = {.dot_limit = I9XX_P2_LVDS_SLOW_LIMIT, - .p2_slow = I9XX_P2_LVDS_SLOW, .p2_fast = I9XX_P2_LVDS_FAST}, - }, -}; - -static const struct psb_intel_limit_t *psb_intel_limit(struct drm_crtc *crtc) -{ - const struct psb_intel_limit_t *limit; - - if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) - limit = &psb_intel_limits[INTEL_LIMIT_I9XX_LVDS]; - else - limit = &psb_intel_limits[INTEL_LIMIT_I9XX_SDVO_DAC]; - return limit; -} - -/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */ - -static void i8xx_clock(int refclk, struct psb_intel_clock_t *clock) -{ - clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2); - clock->p = clock->p1 * clock->p2; - clock->vco = refclk * clock->m / (clock->n + 2); - clock->dot = clock->vco / clock->p; -} - -/** Derive the pixel clock for the given refclk and divisors for 9xx chips. */ - -static void i9xx_clock(int refclk, struct psb_intel_clock_t *clock) -{ - clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2); - clock->p = clock->p1 * clock->p2; - clock->vco = refclk * clock->m / (clock->n + 2); - clock->dot = clock->vco / clock->p; -} - -static void psb_intel_clock(struct drm_device *dev, int refclk, - struct psb_intel_clock_t *clock) -{ - return i9xx_clock(refclk, clock); -} - -/** - * Returns whether any output on the specified pipe is of the specified type - */ -bool psb_intel_pipe_has_type(struct drm_crtc *crtc, int type) -{ - struct drm_device *dev = crtc->dev; - struct drm_mode_config *mode_config = &dev->mode_config; - struct drm_connector *l_entry; - - list_for_each_entry(l_entry, &mode_config->connector_list, head) { - if (l_entry->encoder && l_entry->encoder->crtc == crtc) { - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(l_entry); - if (psb_intel_output->type == type) - return true; - } - } - return false; -} - -#define INTELPllInvalid(s) { /* ErrorF (s) */; return false; } -/** - * Returns whether the given set of divisors are valid for a given refclk with - * the given connectors. - */ - -static bool psb_intel_PLL_is_valid(struct drm_crtc *crtc, - struct psb_intel_clock_t *clock) -{ - const struct psb_intel_limit_t *limit = psb_intel_limit(crtc); - - if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) - INTELPllInvalid("p1 out of range\n"); - if (clock->p < limit->p.min || limit->p.max < clock->p) - INTELPllInvalid("p out of range\n"); - if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2) - INTELPllInvalid("m2 out of range\n"); - if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1) - INTELPllInvalid("m1 out of range\n"); - if (clock->m1 <= clock->m2) - INTELPllInvalid("m1 <= m2\n"); - if (clock->m < limit->m.min || limit->m.max < clock->m) - INTELPllInvalid("m out of range\n"); - if (clock->n < limit->n.min || limit->n.max < clock->n) - INTELPllInvalid("n out of range\n"); - if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) - INTELPllInvalid("vco out of range\n"); - /* XXX: We may need to be checking "Dot clock" - * depending on the multiplier, connector, etc., - * rather than just a single range. - */ - if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) - INTELPllInvalid("dot out of range\n"); - - return true; -} - -/** - * Returns a set of divisors for the desired target clock with the given - * refclk, or FALSE. The returned values represent the clock equation: - * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. - */ -static bool psb_intel_find_best_PLL(struct drm_crtc *crtc, int target, - int refclk, - struct psb_intel_clock_t *best_clock) -{ - struct drm_device *dev = crtc->dev; - struct psb_intel_clock_t clock; - const struct psb_intel_limit_t *limit = psb_intel_limit(crtc); - int err = target; - - if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) && - (REG_READ(LVDS) & LVDS_PORT_EN) != 0) { - /* - * For LVDS, if the panel is on, just rely on its current - * settings for dual-channel. We haven't figured out how to - * reliably set up different single/dual channel state, if we - * even can. - */ - if ((REG_READ(LVDS) & LVDS_CLKB_POWER_MASK) == - LVDS_CLKB_POWER_UP) - clock.p2 = limit->p2.p2_fast; - else - clock.p2 = limit->p2.p2_slow; - } else { - if (target < limit->p2.dot_limit) - clock.p2 = limit->p2.p2_slow; - else - clock.p2 = limit->p2.p2_fast; - } - - memset(best_clock, 0, sizeof(*best_clock)); - - for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; - clock.m1++) { - for (clock.m2 = limit->m2.min; - clock.m2 < clock.m1 && clock.m2 <= limit->m2.max; - clock.m2++) { - for (clock.n = limit->n.min; - clock.n <= limit->n.max; clock.n++) { - for (clock.p1 = limit->p1.min; - clock.p1 <= limit->p1.max; - clock.p1++) { - int this_err; - - psb_intel_clock(dev, refclk, &clock); - - if (!psb_intel_PLL_is_valid - (crtc, &clock)) - continue; - - this_err = abs(clock.dot - target); - if (this_err < err) { - *best_clock = clock; - err = this_err; - } - } - } - } - } - - return err != target; -} - -void psb_intel_wait_for_vblank(struct drm_device *dev) -{ - /* Wait for 20ms, i.e. one cycle at 50hz. */ - mdelay(20); -} - -int psb_intel_pipe_set_base(struct drm_crtc *crtc, - int x, int y, struct drm_framebuffer *old_fb) -{ - struct drm_device *dev = crtc->dev; - /* struct drm_i915_master_private *master_priv; */ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb); - int pipe = psb_intel_crtc->pipe; - unsigned long start, offset; - int dspbase = (pipe == 0 ? DSPABASE : DSPBBASE); - int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF); - int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE; - int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; - u32 dspcntr; - int ret = 0; - - if (!gma_power_begin(dev, true)) - return 0; - - /* no fb bound */ - if (!crtc->fb) { - dev_dbg(dev->dev, "No FB bound\n"); - goto psb_intel_pipe_cleaner; - } - - /* We are displaying this buffer, make sure it is actually loaded - into the GTT */ - ret = psb_gtt_pin(psbfb->gtt); - if (ret < 0) - goto psb_intel_pipe_set_base_exit; - start = psbfb->gtt->offset; - - offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8); - - REG_WRITE(dspstride, crtc->fb->pitches[0]); - - dspcntr = REG_READ(dspcntr_reg); - dspcntr &= ~DISPPLANE_PIXFORMAT_MASK; - - switch (crtc->fb->bits_per_pixel) { - case 8: - dspcntr |= DISPPLANE_8BPP; - break; - case 16: - if (crtc->fb->depth == 15) - dspcntr |= DISPPLANE_15_16BPP; - else - dspcntr |= DISPPLANE_16BPP; - break; - case 24: - case 32: - dspcntr |= DISPPLANE_32BPP_NO_ALPHA; - break; - default: - dev_err(dev->dev, "Unknown color depth\n"); - ret = -EINVAL; - psb_gtt_unpin(psbfb->gtt); - goto psb_intel_pipe_set_base_exit; - } - REG_WRITE(dspcntr_reg, dspcntr); - - - if (0 /* FIXMEAC - check what PSB needs */) { - REG_WRITE(dspbase, offset); - REG_READ(dspbase); - REG_WRITE(dspsurf, start); - REG_READ(dspsurf); - } else { - REG_WRITE(dspbase, start + offset); - REG_READ(dspbase); - } - -psb_intel_pipe_cleaner: - /* If there was a previous display we can now unpin it */ - if (old_fb) - psb_gtt_unpin(to_psb_fb(old_fb)->gtt); - -psb_intel_pipe_set_base_exit: - gma_power_end(dev); - return ret; -} - -/** - * Sets the power management mode of the pipe and plane. - * - * This code should probably grow support for turning the cursor off and back - * on appropriately at the same time as we're turning the pipe off/on. - */ -static void psb_intel_crtc_dpms(struct drm_crtc *crtc, int mode) -{ - struct drm_device *dev = crtc->dev; - /* struct drm_i915_master_private *master_priv; */ - /* struct drm_i915_private *dev_priv = dev->dev_private; */ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B; - int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; - int dspbase_reg = (pipe == 0) ? DSPABASE : DSPBBASE; - int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF; - u32 temp; - bool enabled; - - /* XXX: When our outputs are all unaware of DPMS modes other than off - * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC. - */ - switch (mode) { - case DRM_MODE_DPMS_ON: - case DRM_MODE_DPMS_STANDBY: - case DRM_MODE_DPMS_SUSPEND: - /* Enable the DPLL */ - temp = REG_READ(dpll_reg); - if ((temp & DPLL_VCO_ENABLE) == 0) { - REG_WRITE(dpll_reg, temp); - REG_READ(dpll_reg); - /* Wait for the clocks to stabilize. */ - udelay(150); - REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE); - REG_READ(dpll_reg); - /* Wait for the clocks to stabilize. */ - udelay(150); - REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE); - REG_READ(dpll_reg); - /* Wait for the clocks to stabilize. */ - udelay(150); - } - - /* Enable the pipe */ - temp = REG_READ(pipeconf_reg); - if ((temp & PIPEACONF_ENABLE) == 0) - REG_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE); - - /* Enable the plane */ - temp = REG_READ(dspcntr_reg); - if ((temp & DISPLAY_PLANE_ENABLE) == 0) { - REG_WRITE(dspcntr_reg, - temp | DISPLAY_PLANE_ENABLE); - /* Flush the plane changes */ - REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); - } - - psb_intel_crtc_load_lut(crtc); - - /* Give the overlay scaler a chance to enable - * if it's on this pipe */ - /* psb_intel_crtc_dpms_video(crtc, true); TODO */ - break; - case DRM_MODE_DPMS_OFF: - /* Give the overlay scaler a chance to disable - * if it's on this pipe */ - /* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */ - - /* Disable the VGA plane that we never use */ - REG_WRITE(VGACNTRL, VGA_DISP_DISABLE); - - /* Disable display plane */ - temp = REG_READ(dspcntr_reg); - if ((temp & DISPLAY_PLANE_ENABLE) != 0) { - REG_WRITE(dspcntr_reg, - temp & ~DISPLAY_PLANE_ENABLE); - /* Flush the plane changes */ - REG_WRITE(dspbase_reg, REG_READ(dspbase_reg)); - REG_READ(dspbase_reg); - } - - /* Next, disable display pipes */ - temp = REG_READ(pipeconf_reg); - if ((temp & PIPEACONF_ENABLE) != 0) { - REG_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE); - REG_READ(pipeconf_reg); - } - - /* Wait for vblank for the disable to take effect. */ - psb_intel_wait_for_vblank(dev); - - temp = REG_READ(dpll_reg); - if ((temp & DPLL_VCO_ENABLE) != 0) { - REG_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE); - REG_READ(dpll_reg); - } - - /* Wait for the clocks to turn off. */ - udelay(150); - break; - } - - enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF; - - /*Set FIFO Watermarks*/ - REG_WRITE(DSPARB, 0x3F3E); -} - -static void psb_intel_crtc_prepare(struct drm_crtc *crtc) -{ - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF); -} - -static void psb_intel_crtc_commit(struct drm_crtc *crtc) -{ - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON); -} - -void psb_intel_encoder_prepare(struct drm_encoder *encoder) -{ - struct drm_encoder_helper_funcs *encoder_funcs = - encoder->helper_private; - /* lvds has its own version of prepare see psb_intel_lvds_prepare */ - encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF); -} - -void psb_intel_encoder_commit(struct drm_encoder *encoder) -{ - struct drm_encoder_helper_funcs *encoder_funcs = - encoder->helper_private; - /* lvds has its own version of commit see psb_intel_lvds_commit */ - encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON); -} - -static bool psb_intel_crtc_mode_fixup(struct drm_crtc *crtc, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - return true; -} - - -/** - * Return the pipe currently connected to the panel fitter, - * or -1 if the panel fitter is not present or not in use - */ -static int psb_intel_panel_fitter_pipe(struct drm_device *dev) -{ - u32 pfit_control; - - pfit_control = REG_READ(PFIT_CONTROL); - - /* See if the panel fitter is in use */ - if ((pfit_control & PFIT_ENABLE) == 0) - return -1; - /* Must be on PIPE 1 for PSB */ - return 1; -} - -static int psb_intel_crtc_mode_set(struct drm_crtc *crtc, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode, - int x, int y, - struct drm_framebuffer *old_fb) -{ - struct drm_device *dev = crtc->dev; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; - int pipe = psb_intel_crtc->pipe; - int fp_reg = (pipe == 0) ? FPA0 : FPB0; - int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B; - int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR; - int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF; - int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B; - int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B; - int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B; - int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B; - int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B; - int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B; - int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE; - int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS; - int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC; - int refclk; - struct psb_intel_clock_t clock; - u32 dpll = 0, fp = 0, dspcntr, pipeconf; - bool ok, is_sdvo = false, is_dvo = false; - bool is_crt = false, is_lvds = false, is_tv = false; - struct drm_mode_config *mode_config = &dev->mode_config; - struct drm_connector *connector; - - /* No scan out no play */ - if (crtc->fb == NULL) { - crtc_funcs->mode_set_base(crtc, x, y, old_fb); - return 0; - } - - list_for_each_entry(connector, &mode_config->connector_list, head) { - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - - if (!connector->encoder - || connector->encoder->crtc != crtc) - continue; - - switch (psb_intel_output->type) { - case INTEL_OUTPUT_LVDS: - is_lvds = true; - break; - case INTEL_OUTPUT_SDVO: - is_sdvo = true; - break; - case INTEL_OUTPUT_DVO: - is_dvo = true; - break; - case INTEL_OUTPUT_TVOUT: - is_tv = true; - break; - case INTEL_OUTPUT_ANALOG: - is_crt = true; - break; - } - } - - refclk = 96000; - - ok = psb_intel_find_best_PLL(crtc, adjusted_mode->clock, refclk, - &clock); - if (!ok) { - dev_err(dev->dev, "Couldn't find PLL settings for mode!\n"); - return 0; - } - - fp = clock.n << 16 | clock.m1 << 8 | clock.m2; - - dpll = DPLL_VGA_MODE_DIS; - if (is_lvds) { - dpll |= DPLLB_MODE_LVDS; - dpll |= DPLL_DVO_HIGH_SPEED; - } else - dpll |= DPLLB_MODE_DAC_SERIAL; - if (is_sdvo) { - int sdvo_pixel_multiply = - adjusted_mode->clock / mode->clock; - dpll |= DPLL_DVO_HIGH_SPEED; - dpll |= - (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES; - } - - /* compute bitmask from p1 value */ - dpll |= (1 << (clock.p1 - 1)) << 16; - switch (clock.p2) { - case 5: - dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; - break; - case 7: - dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; - break; - case 10: - dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; - break; - case 14: - dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; - break; - } - - if (is_tv) { - /* XXX: just matching BIOS for now */ -/* dpll |= PLL_REF_INPUT_TVCLKINBC; */ - dpll |= 3; - } - dpll |= PLL_REF_INPUT_DREFCLK; - - /* setup pipeconf */ - pipeconf = REG_READ(pipeconf_reg); - - /* Set up the display plane register */ - dspcntr = DISPPLANE_GAMMA_ENABLE; - - if (pipe == 0) - dspcntr |= DISPPLANE_SEL_PIPE_A; - else - dspcntr |= DISPPLANE_SEL_PIPE_B; - - dspcntr |= DISPLAY_PLANE_ENABLE; - pipeconf |= PIPEACONF_ENABLE; - dpll |= DPLL_VCO_ENABLE; - - - /* Disable the panel fitter if it was on our pipe */ - if (psb_intel_panel_fitter_pipe(dev) == pipe) - REG_WRITE(PFIT_CONTROL, 0); - - drm_mode_debug_printmodeline(mode); - - if (dpll & DPLL_VCO_ENABLE) { - REG_WRITE(fp_reg, fp); - REG_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE); - REG_READ(dpll_reg); - udelay(150); - } - - /* The LVDS pin pair needs to be on before the DPLLs are enabled. - * This is an exception to the general rule that mode_set doesn't turn - * things on. - */ - if (is_lvds) { - u32 lvds = REG_READ(LVDS); - - lvds &= ~LVDS_PIPEB_SELECT; - if (pipe == 1) - lvds |= LVDS_PIPEB_SELECT; - - lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP; - /* Set the B0-B3 data pairs corresponding to - * whether we're going to - * set the DPLLs for dual-channel mode or not. - */ - lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP); - if (clock.p2 == 7) - lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP; - - /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP) - * appropriately here, but we need to look more - * thoroughly into how panels behave in the two modes. - */ - - REG_WRITE(LVDS, lvds); - REG_READ(LVDS); - } - - REG_WRITE(fp_reg, fp); - REG_WRITE(dpll_reg, dpll); - REG_READ(dpll_reg); - /* Wait for the clocks to stabilize. */ - udelay(150); - - /* write it again -- the BIOS does, after all */ - REG_WRITE(dpll_reg, dpll); - - REG_READ(dpll_reg); - /* Wait for the clocks to stabilize. */ - udelay(150); - - REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) | - ((adjusted_mode->crtc_htotal - 1) << 16)); - REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) | - ((adjusted_mode->crtc_hblank_end - 1) << 16)); - REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) | - ((adjusted_mode->crtc_hsync_end - 1) << 16)); - REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) | - ((adjusted_mode->crtc_vtotal - 1) << 16)); - REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) | - ((adjusted_mode->crtc_vblank_end - 1) << 16)); - REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) | - ((adjusted_mode->crtc_vsync_end - 1) << 16)); - /* pipesrc and dspsize control the size that is scaled from, - * which should always be the user's requested size. - */ - REG_WRITE(dspsize_reg, - ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1)); - REG_WRITE(dsppos_reg, 0); - REG_WRITE(pipesrc_reg, - ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1)); - REG_WRITE(pipeconf_reg, pipeconf); - REG_READ(pipeconf_reg); - - psb_intel_wait_for_vblank(dev); - - REG_WRITE(dspcntr_reg, dspcntr); - - /* Flush the plane changes */ - crtc_funcs->mode_set_base(crtc, x, y, old_fb); - - psb_intel_wait_for_vblank(dev); - - return 0; -} - -/** Loads the palette/gamma unit for the CRTC with the prepared values */ -void psb_intel_crtc_load_lut(struct drm_crtc *crtc) -{ - struct drm_device *dev = crtc->dev; - struct drm_psb_private *dev_priv = - (struct drm_psb_private *)dev->dev_private; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int palreg = PALETTE_A; - int i; - - /* The clocks have to be on to load the palette. */ - if (!crtc->enabled) - return; - - switch (psb_intel_crtc->pipe) { - case 0: - break; - case 1: - palreg = PALETTE_B; - break; - case 2: - palreg = PALETTE_C; - break; - default: - dev_err(dev->dev, "Illegal Pipe Number.\n"); - return; - } - - if (gma_power_begin(dev, false)) { - for (i = 0; i < 256; i++) { - REG_WRITE(palreg + 4 * i, - ((psb_intel_crtc->lut_r[i] + - psb_intel_crtc->lut_adj[i]) << 16) | - ((psb_intel_crtc->lut_g[i] + - psb_intel_crtc->lut_adj[i]) << 8) | - (psb_intel_crtc->lut_b[i] + - psb_intel_crtc->lut_adj[i])); - } - gma_power_end(dev); - } else { - for (i = 0; i < 256; i++) { - dev_priv->save_palette_a[i] = - ((psb_intel_crtc->lut_r[i] + - psb_intel_crtc->lut_adj[i]) << 16) | - ((psb_intel_crtc->lut_g[i] + - psb_intel_crtc->lut_adj[i]) << 8) | - (psb_intel_crtc->lut_b[i] + - psb_intel_crtc->lut_adj[i]); - } - - } -} - -/** - * Save HW states of giving crtc - */ -static void psb_intel_crtc_save(struct drm_crtc *crtc) -{ - struct drm_device *dev = crtc->dev; - /* struct drm_psb_private *dev_priv = - (struct drm_psb_private *)dev->dev_private; */ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state; - int pipeA = (psb_intel_crtc->pipe == 0); - uint32_t paletteReg; - int i; - - if (!crtc_state) { - dev_err(dev->dev, "No CRTC state found\n"); - return; - } - - crtc_state->saveDSPCNTR = REG_READ(pipeA ? DSPACNTR : DSPBCNTR); - crtc_state->savePIPECONF = REG_READ(pipeA ? PIPEACONF : PIPEBCONF); - crtc_state->savePIPESRC = REG_READ(pipeA ? PIPEASRC : PIPEBSRC); - crtc_state->saveFP0 = REG_READ(pipeA ? FPA0 : FPB0); - crtc_state->saveFP1 = REG_READ(pipeA ? FPA1 : FPB1); - crtc_state->saveDPLL = REG_READ(pipeA ? DPLL_A : DPLL_B); - crtc_state->saveHTOTAL = REG_READ(pipeA ? HTOTAL_A : HTOTAL_B); - crtc_state->saveHBLANK = REG_READ(pipeA ? HBLANK_A : HBLANK_B); - crtc_state->saveHSYNC = REG_READ(pipeA ? HSYNC_A : HSYNC_B); - crtc_state->saveVTOTAL = REG_READ(pipeA ? VTOTAL_A : VTOTAL_B); - crtc_state->saveVBLANK = REG_READ(pipeA ? VBLANK_A : VBLANK_B); - crtc_state->saveVSYNC = REG_READ(pipeA ? VSYNC_A : VSYNC_B); - crtc_state->saveDSPSTRIDE = REG_READ(pipeA ? DSPASTRIDE : DSPBSTRIDE); - - /*NOTE: DSPSIZE DSPPOS only for psb*/ - crtc_state->saveDSPSIZE = REG_READ(pipeA ? DSPASIZE : DSPBSIZE); - crtc_state->saveDSPPOS = REG_READ(pipeA ? DSPAPOS : DSPBPOS); - - crtc_state->saveDSPBASE = REG_READ(pipeA ? DSPABASE : DSPBBASE); - - paletteReg = pipeA ? PALETTE_A : PALETTE_B; - for (i = 0; i < 256; ++i) - crtc_state->savePalette[i] = REG_READ(paletteReg + (i << 2)); -} - -/** - * Restore HW states of giving crtc - */ -static void psb_intel_crtc_restore(struct drm_crtc *crtc) -{ - struct drm_device *dev = crtc->dev; - /* struct drm_psb_private * dev_priv = - (struct drm_psb_private *)dev->dev_private; */ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state; - /* struct drm_crtc_helper_funcs * crtc_funcs = crtc->helper_private; */ - int pipeA = (psb_intel_crtc->pipe == 0); - uint32_t paletteReg; - int i; - - if (!crtc_state) { - dev_err(dev->dev, "No crtc state\n"); - return; - } - - if (crtc_state->saveDPLL & DPLL_VCO_ENABLE) { - REG_WRITE(pipeA ? DPLL_A : DPLL_B, - crtc_state->saveDPLL & ~DPLL_VCO_ENABLE); - REG_READ(pipeA ? DPLL_A : DPLL_B); - udelay(150); - } - - REG_WRITE(pipeA ? FPA0 : FPB0, crtc_state->saveFP0); - REG_READ(pipeA ? FPA0 : FPB0); - - REG_WRITE(pipeA ? FPA1 : FPB1, crtc_state->saveFP1); - REG_READ(pipeA ? FPA1 : FPB1); - - REG_WRITE(pipeA ? DPLL_A : DPLL_B, crtc_state->saveDPLL); - REG_READ(pipeA ? DPLL_A : DPLL_B); - udelay(150); - - REG_WRITE(pipeA ? HTOTAL_A : HTOTAL_B, crtc_state->saveHTOTAL); - REG_WRITE(pipeA ? HBLANK_A : HBLANK_B, crtc_state->saveHBLANK); - REG_WRITE(pipeA ? HSYNC_A : HSYNC_B, crtc_state->saveHSYNC); - REG_WRITE(pipeA ? VTOTAL_A : VTOTAL_B, crtc_state->saveVTOTAL); - REG_WRITE(pipeA ? VBLANK_A : VBLANK_B, crtc_state->saveVBLANK); - REG_WRITE(pipeA ? VSYNC_A : VSYNC_B, crtc_state->saveVSYNC); - REG_WRITE(pipeA ? DSPASTRIDE : DSPBSTRIDE, crtc_state->saveDSPSTRIDE); - - REG_WRITE(pipeA ? DSPASIZE : DSPBSIZE, crtc_state->saveDSPSIZE); - REG_WRITE(pipeA ? DSPAPOS : DSPBPOS, crtc_state->saveDSPPOS); - - REG_WRITE(pipeA ? PIPEASRC : PIPEBSRC, crtc_state->savePIPESRC); - REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE); - REG_WRITE(pipeA ? PIPEACONF : PIPEBCONF, crtc_state->savePIPECONF); - - psb_intel_wait_for_vblank(dev); - - REG_WRITE(pipeA ? DSPACNTR : DSPBCNTR, crtc_state->saveDSPCNTR); - REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE); - - psb_intel_wait_for_vblank(dev); - - paletteReg = pipeA ? PALETTE_A : PALETTE_B; - for (i = 0; i < 256; ++i) - REG_WRITE(paletteReg + (i << 2), crtc_state->savePalette[i]); -} - -static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc, - struct drm_file *file_priv, - uint32_t handle, - uint32_t width, uint32_t height) -{ - struct drm_device *dev = crtc->dev; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR; - uint32_t base = (pipe == 0) ? CURABASE : CURBBASE; - uint32_t temp; - size_t addr = 0; - struct gtt_range *gt; - struct drm_gem_object *obj; - int ret; - - /* if we want to turn of the cursor ignore width and height */ - if (!handle) { - /* turn off the cursor */ - temp = CURSOR_MODE_DISABLE; - - if (gma_power_begin(dev, false)) { - REG_WRITE(control, temp); - REG_WRITE(base, 0); - gma_power_end(dev); - } - - /* Unpin the old GEM object */ - if (psb_intel_crtc->cursor_obj) { - gt = container_of(psb_intel_crtc->cursor_obj, - struct gtt_range, gem); - psb_gtt_unpin(gt); - drm_gem_object_unreference(psb_intel_crtc->cursor_obj); - psb_intel_crtc->cursor_obj = NULL; - } - - return 0; - } - - /* Currently we only support 64x64 cursors */ - if (width != 64 || height != 64) { - dev_dbg(dev->dev, "we currently only support 64x64 cursors\n"); - return -EINVAL; - } - - obj = drm_gem_object_lookup(dev, file_priv, handle); - if (!obj) - return -ENOENT; - - if (obj->size < width * height * 4) { - dev_dbg(dev->dev, "buffer is to small\n"); - return -ENOMEM; - } - - gt = container_of(obj, struct gtt_range, gem); - - /* Pin the memory into the GTT */ - ret = psb_gtt_pin(gt); - if (ret) { - dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle); - return ret; - } - - - addr = gt->offset; /* Or resource.start ??? */ - - psb_intel_crtc->cursor_addr = addr; - - temp = 0; - /* set the pipe for the cursor */ - temp |= (pipe << 28); - temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; - - if (gma_power_begin(dev, false)) { - REG_WRITE(control, temp); - REG_WRITE(base, addr); - gma_power_end(dev); - } - - /* unpin the old bo */ - if (psb_intel_crtc->cursor_obj) { - gt = container_of(psb_intel_crtc->cursor_obj, - struct gtt_range, gem); - psb_gtt_unpin(gt); - drm_gem_object_unreference(psb_intel_crtc->cursor_obj); - psb_intel_crtc->cursor_obj = obj; - } - return 0; -} - -static int psb_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) -{ - struct drm_device *dev = crtc->dev; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - uint32_t temp = 0; - uint32_t addr; - - - if (x < 0) { - temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT); - x = -x; - } - if (y < 0) { - temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT); - y = -y; - } - - temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT); - temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT); - - addr = psb_intel_crtc->cursor_addr; - - if (gma_power_begin(dev, false)) { - REG_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp); - REG_WRITE((pipe == 0) ? CURABASE : CURBBASE, addr); - gma_power_end(dev); - } - return 0; -} - -void psb_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, - u16 *green, u16 *blue, uint32_t type, uint32_t size) -{ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int i; - - if (size != 256) - return; - - for (i = 0; i < 256; i++) { - psb_intel_crtc->lut_r[i] = red[i] >> 8; - psb_intel_crtc->lut_g[i] = green[i] >> 8; - psb_intel_crtc->lut_b[i] = blue[i] >> 8; - } - - psb_intel_crtc_load_lut(crtc); -} - -static int psb_crtc_set_config(struct drm_mode_set *set) -{ - int ret; - struct drm_device *dev = set->crtc->dev; - - pm_runtime_forbid(&dev->pdev->dev); - ret = drm_crtc_helper_set_config(set); - pm_runtime_allow(&dev->pdev->dev); - return ret; -} - -/* Returns the clock of the currently programmed mode of the given pipe. */ -static int psb_intel_crtc_clock_get(struct drm_device *dev, - struct drm_crtc *crtc) -{ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - u32 dpll; - u32 fp; - struct psb_intel_clock_t clock; - bool is_lvds; - struct drm_psb_private *dev_priv = dev->dev_private; - - if (gma_power_begin(dev, false)) { - dpll = REG_READ((pipe == 0) ? DPLL_A : DPLL_B); - if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) - fp = REG_READ((pipe == 0) ? FPA0 : FPB0); - else - fp = REG_READ((pipe == 0) ? FPA1 : FPB1); - is_lvds = (pipe == 1) && (REG_READ(LVDS) & LVDS_PORT_EN); - gma_power_end(dev); - } else { - dpll = (pipe == 0) ? - dev_priv->saveDPLL_A : dev_priv->saveDPLL_B; - - if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) - fp = (pipe == 0) ? - dev_priv->saveFPA0 : - dev_priv->saveFPB0; - else - fp = (pipe == 0) ? - dev_priv->saveFPA1 : - dev_priv->saveFPB1; - - is_lvds = (pipe == 1) && (dev_priv->saveLVDS & LVDS_PORT_EN); - } - - clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; - clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; - clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; - - if (is_lvds) { - clock.p1 = - ffs((dpll & - DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> - DPLL_FPA01_P1_POST_DIV_SHIFT); - clock.p2 = 14; - - if ((dpll & PLL_REF_INPUT_MASK) == - PLLB_REF_INPUT_SPREADSPECTRUMIN) { - /* XXX: might not be 66MHz */ - i8xx_clock(66000, &clock); - } else - i8xx_clock(48000, &clock); - } else { - if (dpll & PLL_P1_DIVIDE_BY_TWO) - clock.p1 = 2; - else { - clock.p1 = - ((dpll & - DPLL_FPA01_P1_POST_DIV_MASK_I830) >> - DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; - } - if (dpll & PLL_P2_DIVIDE_BY_4) - clock.p2 = 4; - else - clock.p2 = 2; - - i8xx_clock(48000, &clock); - } - - /* XXX: It would be nice to validate the clocks, but we can't reuse - * i830PllIsValid() because it relies on the xf86_config connector - * configuration being accurate, which it isn't necessarily. - */ - - return clock.dot; -} - -/** Returns the currently programmed mode of the given pipe. */ -struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, - struct drm_crtc *crtc) -{ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - int pipe = psb_intel_crtc->pipe; - struct drm_display_mode *mode; - int htot; - int hsync; - int vtot; - int vsync; - struct drm_psb_private *dev_priv = dev->dev_private; - - if (gma_power_begin(dev, false)) { - htot = REG_READ((pipe == 0) ? HTOTAL_A : HTOTAL_B); - hsync = REG_READ((pipe == 0) ? HSYNC_A : HSYNC_B); - vtot = REG_READ((pipe == 0) ? VTOTAL_A : VTOTAL_B); - vsync = REG_READ((pipe == 0) ? VSYNC_A : VSYNC_B); - gma_power_end(dev); - } else { - htot = (pipe == 0) ? - dev_priv->saveHTOTAL_A : dev_priv->saveHTOTAL_B; - hsync = (pipe == 0) ? - dev_priv->saveHSYNC_A : dev_priv->saveHSYNC_B; - vtot = (pipe == 0) ? - dev_priv->saveVTOTAL_A : dev_priv->saveVTOTAL_B; - vsync = (pipe == 0) ? - dev_priv->saveVSYNC_A : dev_priv->saveVSYNC_B; - } - - mode = kzalloc(sizeof(*mode), GFP_KERNEL); - if (!mode) - return NULL; - - mode->clock = psb_intel_crtc_clock_get(dev, crtc); - mode->hdisplay = (htot & 0xffff) + 1; - mode->htotal = ((htot & 0xffff0000) >> 16) + 1; - mode->hsync_start = (hsync & 0xffff) + 1; - mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; - mode->vdisplay = (vtot & 0xffff) + 1; - mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; - mode->vsync_start = (vsync & 0xffff) + 1; - mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; - - drm_mode_set_name(mode); - drm_mode_set_crtcinfo(mode, 0); - - return mode; -} - -void psb_intel_crtc_destroy(struct drm_crtc *crtc) -{ - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct gtt_range *gt; - - /* Unpin the old GEM object */ - if (psb_intel_crtc->cursor_obj) { - gt = container_of(psb_intel_crtc->cursor_obj, - struct gtt_range, gem); - psb_gtt_unpin(gt); - drm_gem_object_unreference(psb_intel_crtc->cursor_obj); - psb_intel_crtc->cursor_obj = NULL; - } - kfree(psb_intel_crtc->crtc_state); - drm_crtc_cleanup(crtc); - kfree(psb_intel_crtc); -} - -const struct drm_crtc_helper_funcs psb_intel_helper_funcs = { - .dpms = psb_intel_crtc_dpms, - .mode_fixup = psb_intel_crtc_mode_fixup, - .mode_set = psb_intel_crtc_mode_set, - .mode_set_base = psb_intel_pipe_set_base, - .prepare = psb_intel_crtc_prepare, - .commit = psb_intel_crtc_commit, -}; - -const struct drm_crtc_funcs psb_intel_crtc_funcs = { - .save = psb_intel_crtc_save, - .restore = psb_intel_crtc_restore, - .cursor_set = psb_intel_crtc_cursor_set, - .cursor_move = psb_intel_crtc_cursor_move, - .gamma_set = psb_intel_crtc_gamma_set, - .set_config = psb_crtc_set_config, - .destroy = psb_intel_crtc_destroy, -}; - -/* - * Set the default value of cursor control and base register - * to zero. This is a workaround for h/w defect on Oaktrail - */ -static void psb_intel_cursor_init(struct drm_device *dev, int pipe) -{ - u32 control[3] = { CURACNTR, CURBCNTR, CURCCNTR }; - u32 base[3] = { CURABASE, CURBBASE, CURCBASE }; - - REG_WRITE(control[pipe], 0); - REG_WRITE(base[pipe], 0); -} - -void psb_intel_crtc_init(struct drm_device *dev, int pipe, - struct psb_intel_mode_device *mode_dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct psb_intel_crtc *psb_intel_crtc; - int i; - uint16_t *r_base, *g_base, *b_base; - - /* We allocate a extra array of drm_connector pointers - * for fbdev after the crtc */ - psb_intel_crtc = - kzalloc(sizeof(struct psb_intel_crtc) + - (INTELFB_CONN_LIMIT * sizeof(struct drm_connector *)), - GFP_KERNEL); - if (psb_intel_crtc == NULL) - return; - - psb_intel_crtc->crtc_state = - kzalloc(sizeof(struct psb_intel_crtc_state), GFP_KERNEL); - if (!psb_intel_crtc->crtc_state) { - dev_err(dev->dev, "Crtc state error: No memory\n"); - kfree(psb_intel_crtc); - return; - } - - /* Set the CRTC operations from the chip specific data */ - drm_crtc_init(dev, &psb_intel_crtc->base, dev_priv->ops->crtc_funcs); - - drm_mode_crtc_set_gamma_size(&psb_intel_crtc->base, 256); - psb_intel_crtc->pipe = pipe; - psb_intel_crtc->plane = pipe; - - r_base = psb_intel_crtc->base.gamma_store; - g_base = r_base + 256; - b_base = g_base + 256; - for (i = 0; i < 256; i++) { - psb_intel_crtc->lut_r[i] = i; - psb_intel_crtc->lut_g[i] = i; - psb_intel_crtc->lut_b[i] = i; - r_base[i] = i << 8; - g_base[i] = i << 8; - b_base[i] = i << 8; - - psb_intel_crtc->lut_adj[i] = 0; - } - - psb_intel_crtc->mode_dev = mode_dev; - psb_intel_crtc->cursor_addr = 0; - - drm_crtc_helper_add(&psb_intel_crtc->base, - dev_priv->ops->crtc_helper); - - /* Setup the array of drm_connector pointer array */ - psb_intel_crtc->mode_set.crtc = &psb_intel_crtc->base; - BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) || - dev_priv->plane_to_crtc_mapping[psb_intel_crtc->plane] != NULL); - dev_priv->plane_to_crtc_mapping[psb_intel_crtc->plane] = - &psb_intel_crtc->base; - dev_priv->pipe_to_crtc_mapping[psb_intel_crtc->pipe] = - &psb_intel_crtc->base; - psb_intel_crtc->mode_set.connectors = - (struct drm_connector **) (psb_intel_crtc + 1); - psb_intel_crtc->mode_set.num_connectors = 0; - psb_intel_cursor_init(dev, pipe); -} - -int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - struct drm_psb_get_pipe_from_crtc_id_arg *pipe_from_crtc_id = data; - struct drm_mode_object *drmmode_obj; - struct psb_intel_crtc *crtc; - - if (!dev_priv) { - dev_err(dev->dev, "called with no initialization\n"); - return -EINVAL; - } - - drmmode_obj = drm_mode_object_find(dev, pipe_from_crtc_id->crtc_id, - DRM_MODE_OBJECT_CRTC); - - if (!drmmode_obj) { - dev_err(dev->dev, "no such CRTC id\n"); - return -EINVAL; - } - - crtc = to_psb_intel_crtc(obj_to_crtc(drmmode_obj)); - pipe_from_crtc_id->pipe = crtc->pipe; - - return 0; -} - -struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, int pipe) -{ - struct drm_crtc *crtc = NULL; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - if (psb_intel_crtc->pipe == pipe) - break; - } - return crtc; -} - -int psb_intel_connector_clones(struct drm_device *dev, int type_mask) -{ - int index_mask = 0; - struct drm_connector *connector; - int entry = 0; - - list_for_each_entry(connector, &dev->mode_config.connector_list, - head) { - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - if (type_mask & (1 << psb_intel_output->type)) - index_mask |= (1 << entry); - entry++; - } - return index_mask; -} - - -void psb_intel_modeset_cleanup(struct drm_device *dev) -{ - drm_mode_config_cleanup(dev); -} - - -/* current intel driver doesn't take advantage of encoders - always give back the encoder for the connector -*/ -struct drm_encoder *psb_intel_best_encoder(struct drm_connector *connector) -{ - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - - return &psb_intel_output->enc; -} - diff --git a/drivers/staging/gma500/psb_intel_display.h b/drivers/staging/gma500/psb_intel_display.h deleted file mode 100644 index 535b49a5e409e2..00000000000000 --- a/drivers/staging/gma500/psb_intel_display.h +++ /dev/null @@ -1,28 +0,0 @@ -/* copyright (c) 2008, Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: - * Eric Anholt <eric@anholt.net> - */ - -#ifndef _INTEL_DISPLAY_H_ -#define _INTEL_DISPLAY_H_ - -bool psb_intel_pipe_has_type(struct drm_crtc *crtc, int type); -void psb_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, - u16 *green, u16 *blue, uint32_t type, uint32_t size); -void psb_intel_crtc_destroy(struct drm_crtc *crtc); - -#endif diff --git a/drivers/staging/gma500/psb_intel_drv.h b/drivers/staging/gma500/psb_intel_drv.h deleted file mode 100644 index 36b554b5c335fe..00000000000000 --- a/drivers/staging/gma500/psb_intel_drv.h +++ /dev/null @@ -1,230 +0,0 @@ -/* - * Copyright (c) 2009-2011, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#ifndef __INTEL_DRV_H__ -#define __INTEL_DRV_H__ - -#include <linux/i2c.h> -#include <linux/i2c-algo-bit.h> -#include <drm/drm_crtc.h> -#include <drm/drm_crtc_helper.h> -#include <linux/gpio.h> - -/* - * Display related stuff - */ - -/* store information about an Ixxx DVO */ -/* The i830->i865 use multiple DVOs with multiple i2cs */ -/* the i915, i945 have a single sDVO i2c bus - which is different */ -#define MAX_OUTPUTS 6 -/* maximum connectors per crtcs in the mode set */ -#define INTELFB_CONN_LIMIT 4 - -#define INTEL_I2C_BUS_DVO 1 -#define INTEL_I2C_BUS_SDVO 2 - -/* these are outputs from the chip - integrated only - * external chips are via DVO or SDVO output */ -#define INTEL_OUTPUT_UNUSED 0 -#define INTEL_OUTPUT_ANALOG 1 -#define INTEL_OUTPUT_DVO 2 -#define INTEL_OUTPUT_SDVO 3 -#define INTEL_OUTPUT_LVDS 4 -#define INTEL_OUTPUT_TVOUT 5 -#define INTEL_OUTPUT_HDMI 6 -#define INTEL_OUTPUT_MIPI 7 -#define INTEL_OUTPUT_MIPI2 8 - -#define INTEL_DVO_CHIP_NONE 0 -#define INTEL_DVO_CHIP_LVDS 1 -#define INTEL_DVO_CHIP_TMDS 2 -#define INTEL_DVO_CHIP_TVOUT 4 - -/* - * Hold information useally put on the device driver privates here, - * since it needs to be shared across multiple of devices drivers privates. - */ -struct psb_intel_mode_device { - - /* - * Abstracted memory manager operations - */ - size_t(*bo_offset) (struct drm_device *dev, void *bo); - - /* - * Cursor (Can go ?) - */ - int cursor_needs_physical; - - /* - * LVDS info - */ - int backlight_duty_cycle; /* restore backlight to this value */ - bool panel_wants_dither; - struct drm_display_mode *panel_fixed_mode; - struct drm_display_mode *panel_fixed_mode2; - struct drm_display_mode *vbt_mode; /* if any */ - - uint32_t saveBLC_PWM_CTL; -}; - -struct psb_intel_i2c_chan { - /* for getting at dev. private (mmio etc.) */ - struct drm_device *drm_dev; - u32 reg; /* GPIO reg */ - struct i2c_adapter adapter; - struct i2c_algo_bit_data algo; - u8 slave_addr; -}; - -struct psb_intel_output { - struct drm_connector base; - - struct drm_encoder enc; - int type; - - struct psb_intel_i2c_chan *i2c_bus; /* for control functions */ - struct psb_intel_i2c_chan *ddc_bus; /* for DDC only stuff */ - bool load_detect_temp; - void *dev_priv; - - struct psb_intel_mode_device *mode_dev; - struct i2c_adapter *hdmi_i2c_adapter; /* for control functions */ -}; - -struct psb_intel_crtc_state { - uint32_t saveDSPCNTR; - uint32_t savePIPECONF; - uint32_t savePIPESRC; - uint32_t saveDPLL; - uint32_t saveFP0; - uint32_t saveFP1; - uint32_t saveHTOTAL; - uint32_t saveHBLANK; - uint32_t saveHSYNC; - uint32_t saveVTOTAL; - uint32_t saveVBLANK; - uint32_t saveVSYNC; - uint32_t saveDSPSTRIDE; - uint32_t saveDSPSIZE; - uint32_t saveDSPPOS; - uint32_t saveDSPBASE; - uint32_t savePalette[256]; -}; - -struct psb_intel_crtc { - struct drm_crtc base; - int pipe; - int plane; - uint32_t cursor_addr; - u8 lut_r[256], lut_g[256], lut_b[256]; - u8 lut_adj[256]; - struct psb_intel_framebuffer *fbdev_fb; - /* a mode_set for fbdev users on this crtc */ - struct drm_mode_set mode_set; - - /* GEM object that holds our cursor */ - struct drm_gem_object *cursor_obj; - - struct drm_display_mode saved_mode; - struct drm_display_mode saved_adjusted_mode; - - struct psb_intel_mode_device *mode_dev; - - /*crtc mode setting flags*/ - u32 mode_flags; - - /* Saved Crtc HW states */ - struct psb_intel_crtc_state *crtc_state; -}; - -#define to_psb_intel_crtc(x) \ - container_of(x, struct psb_intel_crtc, base) -#define to_psb_intel_output(x) \ - container_of(x, struct psb_intel_output, base) -#define enc_to_psb_intel_output(x) \ - container_of(x, struct psb_intel_output, enc) -#define to_psb_intel_framebuffer(x) \ - container_of(x, struct psb_intel_framebuffer, base) - -struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev, - const u32 reg, const char *name); -void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan); -int psb_intel_ddc_get_modes(struct psb_intel_output *psb_intel_output); -extern bool psb_intel_ddc_probe(struct psb_intel_output *psb_intel_output); - -extern void psb_intel_crtc_init(struct drm_device *dev, int pipe, - struct psb_intel_mode_device *mode_dev); -extern void psb_intel_crt_init(struct drm_device *dev); -extern void psb_intel_sdvo_init(struct drm_device *dev, int output_device); -extern void psb_intel_dvo_init(struct drm_device *dev); -extern void psb_intel_tv_init(struct drm_device *dev); -extern void psb_intel_lvds_init(struct drm_device *dev, - struct psb_intel_mode_device *mode_dev); -extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level); -extern void mrst_lvds_init(struct drm_device *dev, - struct psb_intel_mode_device *mode_dev); -extern void mrst_wait_for_INTR_PKT_SENT(struct drm_device *dev); -extern void mrst_dsi_init(struct drm_device *dev, - struct psb_intel_mode_device *mode_dev); -extern void mid_dsi_init(struct drm_device *dev, - struct psb_intel_mode_device *mode_dev, int dsi_num); - -extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc); -extern void psb_intel_encoder_prepare(struct drm_encoder *encoder); -extern void psb_intel_encoder_commit(struct drm_encoder *encoder); - -extern struct drm_encoder *psb_intel_best_encoder(struct drm_connector - *connector); - -extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev, - struct drm_crtc *crtc); -extern void psb_intel_wait_for_vblank(struct drm_device *dev); -extern int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, - struct drm_file *file_priv); -extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, - int pipe); -extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, - int sdvoB); -extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector); -extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, - int enable); -extern int intelfb_probe(struct drm_device *dev); -extern int intelfb_remove(struct drm_device *dev, - struct drm_framebuffer *fb); -extern struct drm_framebuffer *psb_intel_framebuffer_create(struct drm_device - *dev, struct - drm_mode_fb_cmd - *mode_cmd, - void *mm_private); -extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode); -extern int psb_intel_lvds_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode); -extern int psb_intel_lvds_set_property(struct drm_connector *connector, - struct drm_property *property, - uint64_t value); -extern void psb_intel_lvds_destroy(struct drm_connector *connector); -extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs; - -extern void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe); -extern void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe); - -#endif /* __INTEL_DRV_H__ */ diff --git a/drivers/staging/gma500/psb_intel_lvds.c b/drivers/staging/gma500/psb_intel_lvds.c deleted file mode 100644 index 21022e1a977a06..00000000000000 --- a/drivers/staging/gma500/psb_intel_lvds.c +++ /dev/null @@ -1,854 +0,0 @@ -/* - * Copyright © 2006-2007 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: - * Eric Anholt <eric@anholt.net> - * Dave Airlie <airlied@linux.ie> - * Jesse Barnes <jesse.barnes@intel.com> - */ - -#include <linux/i2c.h> -#include <drm/drmP.h> - -#include "intel_bios.h" -#include "psb_drv.h" -#include "psb_intel_drv.h" -#include "psb_intel_reg.h" -#include "power.h" -#include <linux/pm_runtime.h> - -/* - * LVDS I2C backlight control macros - */ -#define BRIGHTNESS_MAX_LEVEL 100 -#define BRIGHTNESS_MASK 0xFF -#define BLC_I2C_TYPE 0x01 -#define BLC_PWM_TYPT 0x02 - -#define BLC_POLARITY_NORMAL 0 -#define BLC_POLARITY_INVERSE 1 - -#define PSB_BLC_MAX_PWM_REG_FREQ (0xFFFE) -#define PSB_BLC_MIN_PWM_REG_FREQ (0x2) -#define PSB_BLC_PWM_PRECISION_FACTOR (10) -#define PSB_BACKLIGHT_PWM_CTL_SHIFT (16) -#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE) - -struct psb_intel_lvds_priv { - /* - * Saved LVDO output states - */ - uint32_t savePP_ON; - uint32_t savePP_OFF; - uint32_t saveLVDS; - uint32_t savePP_CONTROL; - uint32_t savePP_CYCLE; - uint32_t savePFIT_CONTROL; - uint32_t savePFIT_PGM_RATIOS; - uint32_t saveBLC_PWM_CTL; -}; - - -/* - * Returns the maximum level of the backlight duty cycle field. - */ -static u32 psb_intel_lvds_get_max_backlight(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - u32 ret; - - if (gma_power_begin(dev, false)) { - ret = REG_READ(BLC_PWM_CTL); - gma_power_end(dev); - } else /* Powered off, use the saved value */ - ret = dev_priv->saveBLC_PWM_CTL; - - /* Top 15bits hold the frequency mask */ - ret = (ret & BACKLIGHT_MODULATION_FREQ_MASK) >> - BACKLIGHT_MODULATION_FREQ_SHIFT; - - ret *= 2; /* Return a 16bit range as needed for setting */ - if (ret == 0) - dev_err(dev->dev, "BL bug: Reg %08x save %08X\n", - REG_READ(BLC_PWM_CTL), dev_priv->saveBLC_PWM_CTL); - return ret; -} - -/* - * Set LVDS backlight level by I2C command - * - * FIXME: at some point we need to both track this for PM and also - * disable runtime pm on MRST if the brightness is nil (ie blanked) - */ -static int psb_lvds_i2c_set_brightness(struct drm_device *dev, - unsigned int level) -{ - struct drm_psb_private *dev_priv = - (struct drm_psb_private *)dev->dev_private; - - struct psb_intel_i2c_chan *lvds_i2c_bus = dev_priv->lvds_i2c_bus; - u8 out_buf[2]; - unsigned int blc_i2c_brightness; - - struct i2c_msg msgs[] = { - { - .addr = lvds_i2c_bus->slave_addr, - .flags = 0, - .len = 2, - .buf = out_buf, - } - }; - - blc_i2c_brightness = BRIGHTNESS_MASK & ((unsigned int)level * - BRIGHTNESS_MASK / - BRIGHTNESS_MAX_LEVEL); - - if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE) - blc_i2c_brightness = BRIGHTNESS_MASK - blc_i2c_brightness; - - out_buf[0] = dev_priv->lvds_bl->brightnesscmd; - out_buf[1] = (u8)blc_i2c_brightness; - - if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1) { - dev_dbg(dev->dev, "I2C set brightness.(command, value) (%d, %d)\n", - dev_priv->lvds_bl->brightnesscmd, - blc_i2c_brightness); - return 0; - } - - dev_err(dev->dev, "I2C transfer error\n"); - return -1; -} - - -static int psb_lvds_pwm_set_brightness(struct drm_device *dev, int level) -{ - struct drm_psb_private *dev_priv = - (struct drm_psb_private *)dev->dev_private; - - u32 max_pwm_blc; - u32 blc_pwm_duty_cycle; - - max_pwm_blc = psb_intel_lvds_get_max_backlight(dev); - - /*BLC_PWM_CTL Should be initiated while backlight device init*/ - BUG_ON(max_pwm_blc == 0); - - blc_pwm_duty_cycle = level * max_pwm_blc / BRIGHTNESS_MAX_LEVEL; - - if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE) - blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle; - - blc_pwm_duty_cycle &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR; - REG_WRITE(BLC_PWM_CTL, - (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) | - (blc_pwm_duty_cycle)); - - dev_info(dev->dev, "Backlight lvds set brightness %08x\n", - (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) | - (blc_pwm_duty_cycle)); - - return 0; -} - -/* - * Set LVDS backlight level either by I2C or PWM - */ -void psb_intel_lvds_set_brightness(struct drm_device *dev, int level) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - - dev_dbg(dev->dev, "backlight level is %d\n", level); - - if (!dev_priv->lvds_bl) { - dev_err(dev->dev, "NO LVDS backlight info\n"); - return; - } - - if (dev_priv->lvds_bl->type == BLC_I2C_TYPE) - psb_lvds_i2c_set_brightness(dev, level); - else - psb_lvds_pwm_set_brightness(dev, level); -} - -/* - * Sets the backlight level. - * - * level: backlight level, from 0 to psb_intel_lvds_get_max_backlight(). - */ -static void psb_intel_lvds_set_backlight(struct drm_device *dev, int level) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - u32 blc_pwm_ctl; - - if (gma_power_begin(dev, false)) { - blc_pwm_ctl = REG_READ(BLC_PWM_CTL); - blc_pwm_ctl &= ~BACKLIGHT_DUTY_CYCLE_MASK; - REG_WRITE(BLC_PWM_CTL, - (blc_pwm_ctl | - (level << BACKLIGHT_DUTY_CYCLE_SHIFT))); - dev_priv->saveBLC_PWM_CTL = (blc_pwm_ctl | - (level << BACKLIGHT_DUTY_CYCLE_SHIFT)); - gma_power_end(dev); - } else { - blc_pwm_ctl = dev_priv->saveBLC_PWM_CTL & - ~BACKLIGHT_DUTY_CYCLE_MASK; - dev_priv->saveBLC_PWM_CTL = (blc_pwm_ctl | - (level << BACKLIGHT_DUTY_CYCLE_SHIFT)); - } -} - -/* - * Sets the power state for the panel. - */ -static void psb_intel_lvds_set_power(struct drm_device *dev, - struct psb_intel_output *output, bool on) -{ - u32 pp_status; - - if (!gma_power_begin(dev, true)) { - dev_err(dev->dev, "set power, chip off!\n"); - return; - } - - if (on) { - REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) | - POWER_TARGET_ON); - do { - pp_status = REG_READ(PP_STATUS); - } while ((pp_status & PP_ON) == 0); - - psb_intel_lvds_set_backlight(dev, - output-> - mode_dev->backlight_duty_cycle); - } else { - psb_intel_lvds_set_backlight(dev, 0); - - REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) & - ~POWER_TARGET_ON); - do { - pp_status = REG_READ(PP_STATUS); - } while (pp_status & PP_ON); - } - - gma_power_end(dev); -} - -static void psb_intel_lvds_encoder_dpms(struct drm_encoder *encoder, int mode) -{ - struct drm_device *dev = encoder->dev; - struct psb_intel_output *output = enc_to_psb_intel_output(encoder); - - if (mode == DRM_MODE_DPMS_ON) - psb_intel_lvds_set_power(dev, output, true); - else - psb_intel_lvds_set_power(dev, output, false); - - /* XXX: We never power down the LVDS pairs. */ -} - -static void psb_intel_lvds_save(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct drm_psb_private *dev_priv = - (struct drm_psb_private *)dev->dev_private; - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - struct psb_intel_lvds_priv *lvds_priv = - (struct psb_intel_lvds_priv *)psb_intel_output->dev_priv; - - lvds_priv->savePP_ON = REG_READ(LVDSPP_ON); - lvds_priv->savePP_OFF = REG_READ(LVDSPP_OFF); - lvds_priv->saveLVDS = REG_READ(LVDS); - lvds_priv->savePP_CONTROL = REG_READ(PP_CONTROL); - lvds_priv->savePP_CYCLE = REG_READ(PP_CYCLE); - /*lvds_priv->savePP_DIVISOR = REG_READ(PP_DIVISOR);*/ - lvds_priv->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL); - lvds_priv->savePFIT_CONTROL = REG_READ(PFIT_CONTROL); - lvds_priv->savePFIT_PGM_RATIOS = REG_READ(PFIT_PGM_RATIOS); - - /*TODO: move backlight_duty_cycle to psb_intel_lvds_priv*/ - dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL & - BACKLIGHT_DUTY_CYCLE_MASK); - - /* - * If the light is off at server startup, - * just make it full brightness - */ - if (dev_priv->backlight_duty_cycle == 0) - dev_priv->backlight_duty_cycle = - psb_intel_lvds_get_max_backlight(dev); - - dev_dbg(dev->dev, "(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n", - lvds_priv->savePP_ON, - lvds_priv->savePP_OFF, - lvds_priv->saveLVDS, - lvds_priv->savePP_CONTROL, - lvds_priv->savePP_CYCLE, - lvds_priv->saveBLC_PWM_CTL); -} - -static void psb_intel_lvds_restore(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - u32 pp_status; - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - struct psb_intel_lvds_priv *lvds_priv = - (struct psb_intel_lvds_priv *)psb_intel_output->dev_priv; - - dev_dbg(dev->dev, "(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n", - lvds_priv->savePP_ON, - lvds_priv->savePP_OFF, - lvds_priv->saveLVDS, - lvds_priv->savePP_CONTROL, - lvds_priv->savePP_CYCLE, - lvds_priv->saveBLC_PWM_CTL); - - REG_WRITE(BLC_PWM_CTL, lvds_priv->saveBLC_PWM_CTL); - REG_WRITE(PFIT_CONTROL, lvds_priv->savePFIT_CONTROL); - REG_WRITE(PFIT_PGM_RATIOS, lvds_priv->savePFIT_PGM_RATIOS); - REG_WRITE(LVDSPP_ON, lvds_priv->savePP_ON); - REG_WRITE(LVDSPP_OFF, lvds_priv->savePP_OFF); - /*REG_WRITE(PP_DIVISOR, lvds_priv->savePP_DIVISOR);*/ - REG_WRITE(PP_CYCLE, lvds_priv->savePP_CYCLE); - REG_WRITE(PP_CONTROL, lvds_priv->savePP_CONTROL); - REG_WRITE(LVDS, lvds_priv->saveLVDS); - - if (lvds_priv->savePP_CONTROL & POWER_TARGET_ON) { - REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) | - POWER_TARGET_ON); - do { - pp_status = REG_READ(PP_STATUS); - } while ((pp_status & PP_ON) == 0); - } else { - REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) & - ~POWER_TARGET_ON); - do { - pp_status = REG_READ(PP_STATUS); - } while (pp_status & PP_ON); - } -} - -int psb_intel_lvds_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - struct drm_display_mode *fixed_mode = - psb_intel_output->mode_dev->panel_fixed_mode; - - if (psb_intel_output->type == INTEL_OUTPUT_MIPI2) - fixed_mode = psb_intel_output->mode_dev->panel_fixed_mode2; - - /* just in case */ - if (mode->flags & DRM_MODE_FLAG_DBLSCAN) - return MODE_NO_DBLESCAN; - - /* just in case */ - if (mode->flags & DRM_MODE_FLAG_INTERLACE) - return MODE_NO_INTERLACE; - - if (fixed_mode) { - if (mode->hdisplay > fixed_mode->hdisplay) - return MODE_PANEL; - if (mode->vdisplay > fixed_mode->vdisplay) - return MODE_PANEL; - } - return MODE_OK; -} - -bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct psb_intel_mode_device *mode_dev = - enc_to_psb_intel_output(encoder)->mode_dev; - struct drm_device *dev = encoder->dev; - struct psb_intel_crtc *psb_intel_crtc = - to_psb_intel_crtc(encoder->crtc); - struct drm_encoder *tmp_encoder; - struct drm_display_mode *panel_fixed_mode = mode_dev->panel_fixed_mode; - struct psb_intel_output *psb_intel_output = - enc_to_psb_intel_output(encoder); - - if (psb_intel_output->type == INTEL_OUTPUT_MIPI2) - panel_fixed_mode = mode_dev->panel_fixed_mode2; - - /* PSB requires the LVDS is on pipe B, MRST has only one pipe anyway */ - if (!IS_MRST(dev) && psb_intel_crtc->pipe == 0) { - printk(KERN_ERR "Can't support LVDS on pipe A\n"); - return false; - } - if (IS_MRST(dev) && psb_intel_crtc->pipe != 0) { - printk(KERN_ERR "Must use PIPE A\n"); - return false; - } - /* Should never happen!! */ - list_for_each_entry(tmp_encoder, &dev->mode_config.encoder_list, - head) { - if (tmp_encoder != encoder - && tmp_encoder->crtc == encoder->crtc) { - printk(KERN_ERR "Can't enable LVDS and another " - "encoder on the same pipe\n"); - return false; - } - } - - /* - * If we have timings from the BIOS for the panel, put them in - * to the adjusted mode. The CRTC will be set up for this mode, - * with the panel scaling set up to source from the H/VDisplay - * of the original mode. - */ - if (panel_fixed_mode != NULL) { - adjusted_mode->hdisplay = panel_fixed_mode->hdisplay; - adjusted_mode->hsync_start = panel_fixed_mode->hsync_start; - adjusted_mode->hsync_end = panel_fixed_mode->hsync_end; - adjusted_mode->htotal = panel_fixed_mode->htotal; - adjusted_mode->vdisplay = panel_fixed_mode->vdisplay; - adjusted_mode->vsync_start = panel_fixed_mode->vsync_start; - adjusted_mode->vsync_end = panel_fixed_mode->vsync_end; - adjusted_mode->vtotal = panel_fixed_mode->vtotal; - adjusted_mode->clock = panel_fixed_mode->clock; - drm_mode_set_crtcinfo(adjusted_mode, - CRTC_INTERLACE_HALVE_V); - } - - /* - * XXX: It would be nice to support lower refresh rates on the - * panels to reduce power consumption, and perhaps match the - * user's requested refresh rate. - */ - - return true; -} - -static void psb_intel_lvds_prepare(struct drm_encoder *encoder) -{ - struct drm_device *dev = encoder->dev; - struct psb_intel_output *output = enc_to_psb_intel_output(encoder); - struct psb_intel_mode_device *mode_dev = output->mode_dev; - - if (!gma_power_begin(dev, true)) - return; - - mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL); - mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL & - BACKLIGHT_DUTY_CYCLE_MASK); - - psb_intel_lvds_set_power(dev, output, false); - - gma_power_end(dev); -} - -static void psb_intel_lvds_commit(struct drm_encoder *encoder) -{ - struct drm_device *dev = encoder->dev; - struct psb_intel_output *output = enc_to_psb_intel_output(encoder); - struct psb_intel_mode_device *mode_dev = output->mode_dev; - - if (mode_dev->backlight_duty_cycle == 0) - mode_dev->backlight_duty_cycle = - psb_intel_lvds_get_max_backlight(dev); - - psb_intel_lvds_set_power(dev, output, true); -} - -static void psb_intel_lvds_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct drm_device *dev = encoder->dev; - struct drm_psb_private *dev_priv = dev->dev_private; - u32 pfit_control; - - /* - * The LVDS pin pair will already have been turned on in the - * psb_intel_crtc_mode_set since it has a large impact on the DPLL - * settings. - */ - - /* - * Enable automatic panel scaling so that non-native modes fill the - * screen. Should be enabled before the pipe is enabled, according to - * register description and PRM. - */ - if (mode->hdisplay != adjusted_mode->hdisplay || - mode->vdisplay != adjusted_mode->vdisplay) - pfit_control = (PFIT_ENABLE | VERT_AUTO_SCALE | - HORIZ_AUTO_SCALE | VERT_INTERP_BILINEAR | - HORIZ_INTERP_BILINEAR); - else - pfit_control = 0; - - if (dev_priv->lvds_dither) - pfit_control |= PANEL_8TO6_DITHER_ENABLE; - - REG_WRITE(PFIT_CONTROL, pfit_control); -} - -/* - * Detect the LVDS connection. - * - * This always returns CONNECTOR_STATUS_CONNECTED. - * This connector should only have - * been set up if the LVDS was actually connected anyway. - */ -static enum drm_connector_status psb_intel_lvds_detect(struct drm_connector - *connector, bool force) -{ - return connector_status_connected; -} - -/* - * Return the list of DDC modes if available, or the BIOS fixed mode otherwise. - */ -static int psb_intel_lvds_get_modes(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - struct psb_intel_mode_device *mode_dev = - psb_intel_output->mode_dev; - int ret = 0; - - if (!IS_MRST(dev)) - ret = psb_intel_ddc_get_modes(psb_intel_output); - - if (ret) - return ret; - - /* Didn't get an EDID, so - * Set wide sync ranges so we get all modes - * handed to valid_mode for checking - */ - connector->display_info.min_vfreq = 0; - connector->display_info.max_vfreq = 200; - connector->display_info.min_hfreq = 0; - connector->display_info.max_hfreq = 200; - - if (mode_dev->panel_fixed_mode != NULL) { - struct drm_display_mode *mode = - drm_mode_duplicate(dev, mode_dev->panel_fixed_mode); - drm_mode_probed_add(connector, mode); - return 1; - } - - return 0; -} - -/** - * psb_intel_lvds_destroy - unregister and free LVDS structures - * @connector: connector to free - * - * Unregister the DDC bus for this connector then free the driver private - * structure. - */ -void psb_intel_lvds_destroy(struct drm_connector *connector) -{ - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - - if (psb_intel_output->ddc_bus) - psb_intel_i2c_destroy(psb_intel_output->ddc_bus); - drm_sysfs_connector_remove(connector); - drm_connector_cleanup(connector); - kfree(connector); -} - -int psb_intel_lvds_set_property(struct drm_connector *connector, - struct drm_property *property, - uint64_t value) -{ - struct drm_encoder *encoder = connector->encoder; - - if (!encoder) - return -1; - - if (!strcmp(property->name, "scaling mode")) { - struct psb_intel_crtc *crtc = - to_psb_intel_crtc(encoder->crtc); - uint64_t curval; - - if (!crtc) - goto set_prop_error; - - switch (value) { - case DRM_MODE_SCALE_FULLSCREEN: - break; - case DRM_MODE_SCALE_NO_SCALE: - break; - case DRM_MODE_SCALE_ASPECT: - break; - default: - goto set_prop_error; - } - - if (drm_connector_property_get_value(connector, - property, - &curval)) - goto set_prop_error; - - if (curval == value) - goto set_prop_done; - - if (drm_connector_property_set_value(connector, - property, - value)) - goto set_prop_error; - - if (crtc->saved_mode.hdisplay != 0 && - crtc->saved_mode.vdisplay != 0) { - if (!drm_crtc_helper_set_mode(encoder->crtc, - &crtc->saved_mode, - encoder->crtc->x, - encoder->crtc->y, - encoder->crtc->fb)) - goto set_prop_error; - } - } else if (!strcmp(property->name, "backlight")) { - if (drm_connector_property_set_value(connector, - property, - value)) - goto set_prop_error; - else { -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - struct drm_psb_private *devp = - encoder->dev->dev_private; - struct backlight_device *bd = devp->backlight_device; - if (bd) { - bd->props.brightness = value; - backlight_update_status(bd); - } -#endif - } - } else if (!strcmp(property->name, "DPMS")) { - struct drm_encoder_helper_funcs *hfuncs - = encoder->helper_private; - hfuncs->dpms(encoder, value); - } - -set_prop_done: - return 0; -set_prop_error: - return -1; -} - -static const struct drm_encoder_helper_funcs psb_intel_lvds_helper_funcs = { - .dpms = psb_intel_lvds_encoder_dpms, - .mode_fixup = psb_intel_lvds_mode_fixup, - .prepare = psb_intel_lvds_prepare, - .mode_set = psb_intel_lvds_mode_set, - .commit = psb_intel_lvds_commit, -}; - -const struct drm_connector_helper_funcs - psb_intel_lvds_connector_helper_funcs = { - .get_modes = psb_intel_lvds_get_modes, - .mode_valid = psb_intel_lvds_mode_valid, - .best_encoder = psb_intel_best_encoder, -}; - -const struct drm_connector_funcs psb_intel_lvds_connector_funcs = { - .dpms = drm_helper_connector_dpms, - .save = psb_intel_lvds_save, - .restore = psb_intel_lvds_restore, - .detect = psb_intel_lvds_detect, - .fill_modes = drm_helper_probe_single_connector_modes, - .set_property = psb_intel_lvds_set_property, - .destroy = psb_intel_lvds_destroy, -}; - - -static void psb_intel_lvds_enc_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -const struct drm_encoder_funcs psb_intel_lvds_enc_funcs = { - .destroy = psb_intel_lvds_enc_destroy, -}; - - - -/** - * psb_intel_lvds_init - setup LVDS connectors on this device - * @dev: drm device - * - * Create the connector, register the LVDS DDC bus, and try to figure out what - * modes we can display on the LVDS panel (if present). - */ -void psb_intel_lvds_init(struct drm_device *dev, - struct psb_intel_mode_device *mode_dev) -{ - struct psb_intel_output *psb_intel_output; - struct psb_intel_lvds_priv *lvds_priv; - struct drm_connector *connector; - struct drm_encoder *encoder; - struct drm_display_mode *scan; /* *modes, *bios_mode; */ - struct drm_crtc *crtc; - struct drm_psb_private *dev_priv = dev->dev_private; - u32 lvds; - int pipe; - - psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL); - if (!psb_intel_output) - return; - - lvds_priv = kzalloc(sizeof(struct psb_intel_lvds_priv), GFP_KERNEL); - if (!lvds_priv) { - kfree(psb_intel_output); - dev_err(dev->dev, "LVDS private allocation error\n"); - return; - } - - psb_intel_output->dev_priv = lvds_priv; - psb_intel_output->mode_dev = mode_dev; - - connector = &psb_intel_output->base; - encoder = &psb_intel_output->enc; - drm_connector_init(dev, &psb_intel_output->base, - &psb_intel_lvds_connector_funcs, - DRM_MODE_CONNECTOR_LVDS); - - drm_encoder_init(dev, &psb_intel_output->enc, - &psb_intel_lvds_enc_funcs, - DRM_MODE_ENCODER_LVDS); - - drm_mode_connector_attach_encoder(&psb_intel_output->base, - &psb_intel_output->enc); - psb_intel_output->type = INTEL_OUTPUT_LVDS; - - drm_encoder_helper_add(encoder, &psb_intel_lvds_helper_funcs); - drm_connector_helper_add(connector, - &psb_intel_lvds_connector_helper_funcs); - connector->display_info.subpixel_order = SubPixelHorizontalRGB; - connector->interlace_allowed = false; - connector->doublescan_allowed = false; - - /*Attach connector properties*/ - drm_connector_attach_property(connector, - dev->mode_config.scaling_mode_property, - DRM_MODE_SCALE_FULLSCREEN); - drm_connector_attach_property(connector, - dev_priv->backlight_property, - BRIGHTNESS_MAX_LEVEL); - - /* - * Set up I2C bus - * FIXME: distroy i2c_bus when exit - */ - psb_intel_output->i2c_bus = psb_intel_i2c_create(dev, - GPIOB, - "LVDSBLC_B"); - if (!psb_intel_output->i2c_bus) { - dev_printk(KERN_ERR, - &dev->pdev->dev, "I2C bus registration failed.\n"); - goto failed_blc_i2c; - } - psb_intel_output->i2c_bus->slave_addr = 0x2C; - dev_priv->lvds_i2c_bus = psb_intel_output->i2c_bus; - - /* - * LVDS discovery: - * 1) check for EDID on DDC - * 2) check for VBT data - * 3) check to see if LVDS is already on - * if none of the above, no panel - * 4) make sure lid is open - * if closed, act like it's not there for now - */ - - /* Set up the DDC bus. */ - psb_intel_output->ddc_bus = psb_intel_i2c_create(dev, - GPIOC, - "LVDSDDC_C"); - if (!psb_intel_output->ddc_bus) { - dev_printk(KERN_ERR, &dev->pdev->dev, - "DDC bus registration " "failed.\n"); - goto failed_ddc; - } - - /* - * Attempt to get the fixed panel mode from DDC. Assume that the - * preferred mode is the right one. - */ - psb_intel_ddc_get_modes(psb_intel_output); - list_for_each_entry(scan, &connector->probed_modes, head) { - if (scan->type & DRM_MODE_TYPE_PREFERRED) { - mode_dev->panel_fixed_mode = - drm_mode_duplicate(dev, scan); - goto out; /* FIXME: check for quirks */ - } - } - - /* Failed to get EDID, what about VBT? do we need this? */ - if (mode_dev->vbt_mode) - mode_dev->panel_fixed_mode = - drm_mode_duplicate(dev, mode_dev->vbt_mode); - - if (!mode_dev->panel_fixed_mode) - if (dev_priv->lfp_lvds_vbt_mode) - mode_dev->panel_fixed_mode = - drm_mode_duplicate(dev, - dev_priv->lfp_lvds_vbt_mode); - - /* - * If we didn't get EDID, try checking if the panel is already turned - * on. If so, assume that whatever is currently programmed is the - * correct mode. - */ - lvds = REG_READ(LVDS); - pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0; - crtc = psb_intel_get_crtc_from_pipe(dev, pipe); - - if (crtc && (lvds & LVDS_PORT_EN)) { - mode_dev->panel_fixed_mode = - psb_intel_crtc_mode_get(dev, crtc); - if (mode_dev->panel_fixed_mode) { - mode_dev->panel_fixed_mode->type |= - DRM_MODE_TYPE_PREFERRED; - goto out; /* FIXME: check for quirks */ - } - } - - /* If we still don't have a mode after all that, give up. */ - if (!mode_dev->panel_fixed_mode) { - dev_err(dev->dev, "Found no modes on the lvds, ignoring the LVDS\n"); - goto failed_find; - } - - /* - * Blacklist machines with BIOSes that list an LVDS panel without - * actually having one. - */ -out: - drm_sysfs_connector_add(connector); - return; - -failed_find: - if (psb_intel_output->ddc_bus) - psb_intel_i2c_destroy(psb_intel_output->ddc_bus); -failed_ddc: - if (psb_intel_output->i2c_bus) - psb_intel_i2c_destroy(psb_intel_output->i2c_bus); -failed_blc_i2c: - drm_encoder_cleanup(encoder); - drm_connector_cleanup(connector); - kfree(connector); -} - diff --git a/drivers/staging/gma500/psb_intel_modes.c b/drivers/staging/gma500/psb_intel_modes.c deleted file mode 100644 index bde1aff961900f..00000000000000 --- a/drivers/staging/gma500/psb_intel_modes.c +++ /dev/null @@ -1,77 +0,0 @@ -/* - * Copyright (c) 2007 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authers: Jesse Barnes <jesse.barnes@intel.com> - */ - -#include <linux/i2c.h> -#include <linux/fb.h> -#include <drm/drmP.h> -#include "psb_intel_drv.h" - -/** - * psb_intel_ddc_probe - * - */ -bool psb_intel_ddc_probe(struct psb_intel_output *psb_intel_output) -{ - u8 out_buf[] = { 0x0, 0x0 }; - u8 buf[2]; - int ret; - struct i2c_msg msgs[] = { - { - .addr = 0x50, - .flags = 0, - .len = 1, - .buf = out_buf, - }, - { - .addr = 0x50, - .flags = I2C_M_RD, - .len = 1, - .buf = buf, - } - }; - - ret = i2c_transfer(&psb_intel_output->ddc_bus->adapter, msgs, 2); - if (ret == 2) - return true; - - return false; -} - -/** - * psb_intel_ddc_get_modes - get modelist from monitor - * @connector: DRM connector device to use - * - * Fetch the EDID information from @connector using the DDC bus. - */ -int psb_intel_ddc_get_modes(struct psb_intel_output *psb_intel_output) -{ - struct edid *edid; - int ret = 0; - - edid = - drm_get_edid(&psb_intel_output->base, - &psb_intel_output->ddc_bus->adapter); - if (edid) { - drm_mode_connector_update_edid_property(&psb_intel_output-> - base, edid); - ret = drm_add_edid_modes(&psb_intel_output->base, edid); - kfree(edid); - } - return ret; -} diff --git a/drivers/staging/gma500/psb_intel_reg.h b/drivers/staging/gma500/psb_intel_reg.h deleted file mode 100644 index 1ac16aa791c94c..00000000000000 --- a/drivers/staging/gma500/psb_intel_reg.h +++ /dev/null @@ -1,1235 +0,0 @@ -/* - * Copyright (c) 2009, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - */ -#ifndef __PSB_INTEL_REG_H__ -#define __PSB_INTEL_REG_H__ - -#define BLC_PWM_CTL 0x61254 -#define BLC_PWM_CTL2 0x61250 -#define BLC_PWM_CTL_C 0x62254 -#define BLC_PWM_CTL2_C 0x62250 -#define BACKLIGHT_MODULATION_FREQ_SHIFT (17) -/* - * This is the most significant 15 bits of the number of backlight cycles in a - * complete cycle of the modulated backlight control. - * - * The actual value is this field multiplied by two. - */ -#define BACKLIGHT_MODULATION_FREQ_MASK (0x7fff << 17) -#define BLM_LEGACY_MODE (1 << 16) -/* - * This is the number of cycles out of the backlight modulation cycle for which - * the backlight is on. - * - * This field must be no greater than the number of cycles in the complete - * backlight modulation cycle. - */ -#define BACKLIGHT_DUTY_CYCLE_SHIFT (0) -#define BACKLIGHT_DUTY_CYCLE_MASK (0xffff) - -#define I915_GCFGC 0xf0 -#define I915_LOW_FREQUENCY_ENABLE (1 << 7) -#define I915_DISPLAY_CLOCK_190_200_MHZ (0 << 4) -#define I915_DISPLAY_CLOCK_333_MHZ (4 << 4) -#define I915_DISPLAY_CLOCK_MASK (7 << 4) - -#define I855_HPLLCC 0xc0 -#define I855_CLOCK_CONTROL_MASK (3 << 0) -#define I855_CLOCK_133_200 (0 << 0) -#define I855_CLOCK_100_200 (1 << 0) -#define I855_CLOCK_100_133 (2 << 0) -#define I855_CLOCK_166_250 (3 << 0) - -/* I830 CRTC registers */ -#define HTOTAL_A 0x60000 -#define HBLANK_A 0x60004 -#define HSYNC_A 0x60008 -#define VTOTAL_A 0x6000c -#define VBLANK_A 0x60010 -#define VSYNC_A 0x60014 -#define PIPEASRC 0x6001c -#define BCLRPAT_A 0x60020 -#define VSYNCSHIFT_A 0x60028 - -#define HTOTAL_B 0x61000 -#define HBLANK_B 0x61004 -#define HSYNC_B 0x61008 -#define VTOTAL_B 0x6100c -#define VBLANK_B 0x61010 -#define VSYNC_B 0x61014 -#define PIPEBSRC 0x6101c -#define BCLRPAT_B 0x61020 -#define VSYNCSHIFT_B 0x61028 - -#define HTOTAL_C 0x62000 -#define HBLANK_C 0x62004 -#define HSYNC_C 0x62008 -#define VTOTAL_C 0x6200c -#define VBLANK_C 0x62010 -#define VSYNC_C 0x62014 -#define PIPECSRC 0x6201c -#define BCLRPAT_C 0x62020 -#define VSYNCSHIFT_C 0x62028 - -#define PP_STATUS 0x61200 -# define PP_ON (1 << 31) -/* - * Indicates that all dependencies of the panel are on: - * - * - PLL enabled - * - pipe enabled - * - LVDS/DVOB/DVOC on - */ -#define PP_READY (1 << 30) -#define PP_SEQUENCE_NONE (0 << 28) -#define PP_SEQUENCE_ON (1 << 28) -#define PP_SEQUENCE_OFF (2 << 28) -#define PP_SEQUENCE_MASK 0x30000000 -#define PP_CONTROL 0x61204 -#define POWER_TARGET_ON (1 << 0) - -#define LVDSPP_ON 0x61208 -#define LVDSPP_OFF 0x6120c -#define PP_CYCLE 0x61210 - -#define PFIT_CONTROL 0x61230 -#define PFIT_ENABLE (1 << 31) -#define PFIT_PIPE_MASK (3 << 29) -#define PFIT_PIPE_SHIFT 29 -#define PFIT_SCALING_MODE_PILLARBOX (1 << 27) -#define PFIT_SCALING_MODE_LETTERBOX (3 << 26) -#define VERT_INTERP_DISABLE (0 << 10) -#define VERT_INTERP_BILINEAR (1 << 10) -#define VERT_INTERP_MASK (3 << 10) -#define VERT_AUTO_SCALE (1 << 9) -#define HORIZ_INTERP_DISABLE (0 << 6) -#define HORIZ_INTERP_BILINEAR (1 << 6) -#define HORIZ_INTERP_MASK (3 << 6) -#define HORIZ_AUTO_SCALE (1 << 5) -#define PANEL_8TO6_DITHER_ENABLE (1 << 3) - -#define PFIT_PGM_RATIOS 0x61234 -#define PFIT_VERT_SCALE_MASK 0xfff00000 -#define PFIT_HORIZ_SCALE_MASK 0x0000fff0 - -#define PFIT_AUTO_RATIOS 0x61238 - -#define DPLL_A 0x06014 -#define DPLL_B 0x06018 -#define DPLL_VCO_ENABLE (1 << 31) -#define DPLL_DVO_HIGH_SPEED (1 << 30) -#define DPLL_SYNCLOCK_ENABLE (1 << 29) -#define DPLL_VGA_MODE_DIS (1 << 28) -#define DPLLB_MODE_DAC_SERIAL (1 << 26) /* i915 */ -#define DPLLB_MODE_LVDS (2 << 26) /* i915 */ -#define DPLL_MODE_MASK (3 << 26) -#define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10 (0 << 24) /* i915 */ -#define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 (1 << 24) /* i915 */ -#define DPLLB_LVDS_P2_CLOCK_DIV_14 (0 << 24) /* i915 */ -#define DPLLB_LVDS_P2_CLOCK_DIV_7 (1 << 24) /* i915 */ -#define DPLL_P2_CLOCK_DIV_MASK 0x03000000 /* i915 */ -#define DPLL_FPA01_P1_POST_DIV_MASK 0x00ff0000 /* i915 */ -#define DPLL_LOCK (1 << 15) /* CDV */ - -/* - * The i830 generation, in DAC/serial mode, defines p1 as two plus this - * bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set. - */ -# define DPLL_FPA01_P1_POST_DIV_MASK_I830 0x001f0000 -/* - * The i830 generation, in LVDS mode, defines P1 as the bit number set within - * this field (only one bit may be set). - */ -#define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS 0x003f0000 -#define DPLL_FPA01_P1_POST_DIV_SHIFT 16 -#define PLL_P2_DIVIDE_BY_4 (1 << 23) /* i830, required - * in DVO non-gang */ -# define PLL_P1_DIVIDE_BY_TWO (1 << 21) /* i830 */ -#define PLL_REF_INPUT_DREFCLK (0 << 13) -#define PLL_REF_INPUT_TVCLKINA (1 << 13) /* i830 */ -#define PLL_REF_INPUT_TVCLKINBC (2 << 13) /* SDVO - * TVCLKIN */ -#define PLLB_REF_INPUT_SPREADSPECTRUMIN (3 << 13) -#define PLL_REF_INPUT_MASK (3 << 13) -#define PLL_LOAD_PULSE_PHASE_SHIFT 9 -/* - * Parallel to Serial Load Pulse phase selection. - * Selects the phase for the 10X DPLL clock for the PCIe - * digital display port. The range is 4 to 13; 10 or more - * is just a flip delay. The default is 6 - */ -#define PLL_LOAD_PULSE_PHASE_MASK (0xf << PLL_LOAD_PULSE_PHASE_SHIFT) -#define DISPLAY_RATE_SELECT_FPA1 (1 << 8) - -/* - * SDVO multiplier for 945G/GM. Not used on 965. - * - * DPLL_MD_UDI_MULTIPLIER_MASK - */ -#define SDVO_MULTIPLIER_MASK 0x000000ff -#define SDVO_MULTIPLIER_SHIFT_HIRES 4 -#define SDVO_MULTIPLIER_SHIFT_VGA 0 - -/* - * PLL_MD - */ -/* Pipe A SDVO/UDI clock multiplier/divider register for G965. */ -#define DPLL_A_MD 0x0601c -/* Pipe B SDVO/UDI clock multiplier/divider register for G965. */ -#define DPLL_B_MD 0x06020 -/* - * UDI pixel divider, controlling how many pixels are stuffed into a packet. - * - * Value is pixels minus 1. Must be set to 1 pixel for SDVO. - */ -#define DPLL_MD_UDI_DIVIDER_MASK 0x3f000000 -#define DPLL_MD_UDI_DIVIDER_SHIFT 24 -/* UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */ -#define DPLL_MD_VGA_UDI_DIVIDER_MASK 0x003f0000 -#define DPLL_MD_VGA_UDI_DIVIDER_SHIFT 16 -/* - * SDVO/UDI pixel multiplier. - * - * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus - * clock rate is 10 times the DPLL clock. At low resolution/refresh rate - * modes, the bus rate would be below the limits, so SDVO allows for stuffing - * dummy bytes in the datastream at an increased clock rate, with both sides of - * the link knowing how many bytes are fill. - * - * So, for a mode with a dotclock of 65Mhz, we would want to double the clock - * rate to 130Mhz to get a bus rate of 1.30Ghz. The DPLL clock rate would be - * set to 130Mhz, and the SDVO multiplier set to 2x in this register and - * through an SDVO command. - * - * This register field has values of multiplication factor minus 1, with - * a maximum multiplier of 5 for SDVO. - */ -#define DPLL_MD_UDI_MULTIPLIER_MASK 0x00003f00 -#define DPLL_MD_UDI_MULTIPLIER_SHIFT 8 -/* - * SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK. - * This best be set to the default value (3) or the CRT won't work. No, - * I don't entirely understand what this does... - */ -#define DPLL_MD_VGA_UDI_MULTIPLIER_MASK 0x0000003f -#define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT 0 - -#define DPLL_TEST 0x606c -#define DPLLB_TEST_SDVO_DIV_1 (0 << 22) -#define DPLLB_TEST_SDVO_DIV_2 (1 << 22) -#define DPLLB_TEST_SDVO_DIV_4 (2 << 22) -#define DPLLB_TEST_SDVO_DIV_MASK (3 << 22) -#define DPLLB_TEST_N_BYPASS (1 << 19) -#define DPLLB_TEST_M_BYPASS (1 << 18) -#define DPLLB_INPUT_BUFFER_ENABLE (1 << 16) -#define DPLLA_TEST_N_BYPASS (1 << 3) -#define DPLLA_TEST_M_BYPASS (1 << 2) -#define DPLLA_INPUT_BUFFER_ENABLE (1 << 0) - -#define ADPA 0x61100 -#define ADPA_DAC_ENABLE (1 << 31) -#define ADPA_DAC_DISABLE 0 -#define ADPA_PIPE_SELECT_MASK (1 << 30) -#define ADPA_PIPE_A_SELECT 0 -#define ADPA_PIPE_B_SELECT (1 << 30) -#define ADPA_USE_VGA_HVPOLARITY (1 << 15) -#define ADPA_SETS_HVPOLARITY 0 -#define ADPA_VSYNC_CNTL_DISABLE (1 << 11) -#define ADPA_VSYNC_CNTL_ENABLE 0 -#define ADPA_HSYNC_CNTL_DISABLE (1 << 10) -#define ADPA_HSYNC_CNTL_ENABLE 0 -#define ADPA_VSYNC_ACTIVE_HIGH (1 << 4) -#define ADPA_VSYNC_ACTIVE_LOW 0 -#define ADPA_HSYNC_ACTIVE_HIGH (1 << 3) -#define ADPA_HSYNC_ACTIVE_LOW 0 - -#define FPA0 0x06040 -#define FPA1 0x06044 -#define FPB0 0x06048 -#define FPB1 0x0604c -#define FP_N_DIV_MASK 0x003f0000 -#define FP_N_DIV_SHIFT 16 -#define FP_M1_DIV_MASK 0x00003f00 -#define FP_M1_DIV_SHIFT 8 -#define FP_M2_DIV_MASK 0x0000003f -#define FP_M2_DIV_SHIFT 0 - -#define PORT_HOTPLUG_EN 0x61110 -#define SDVOB_HOTPLUG_INT_EN (1 << 26) -#define SDVOC_HOTPLUG_INT_EN (1 << 25) -#define TV_HOTPLUG_INT_EN (1 << 18) -#define CRT_HOTPLUG_INT_EN (1 << 9) -#define CRT_HOTPLUG_FORCE_DETECT (1 << 3) -/* CDV.. */ -#define CRT_HOTPLUG_ACTIVATION_PERIOD_64 (1 << 8) -#define CRT_HOTPLUG_DAC_ON_TIME_2M (0 << 7) -#define CRT_HOTPLUG_DAC_ON_TIME_4M (1 << 7) -#define CRT_HOTPLUG_VOLTAGE_COMPARE_40 (0 << 5) -#define CRT_HOTPLUG_VOLTAGE_COMPARE_50 (1 << 5) -#define CRT_HOTPLUG_VOLTAGE_COMPARE_60 (2 << 5) -#define CRT_HOTPLUG_VOLTAGE_COMPARE_70 (3 << 5) -#define CRT_HOTPLUG_VOLTAGE_COMPARE_MASK (3 << 5) -#define CRT_HOTPLUG_DETECT_DELAY_1G (0 << 4) -#define CRT_HOTPLUG_DETECT_DELAY_2G (1 << 4) -#define CRT_HOTPLUG_DETECT_VOLTAGE_325MV (0 << 2) -#define CRT_HOTPLUG_DETECT_VOLTAGE_475MV (1 << 2) -#define CRT_HOTPLUG_DETECT_MASK 0x000000F8 - -#define PORT_HOTPLUG_STAT 0x61114 -#define CRT_HOTPLUG_INT_STATUS (1 << 11) -#define TV_HOTPLUG_INT_STATUS (1 << 10) -#define CRT_HOTPLUG_MONITOR_MASK (3 << 8) -#define CRT_HOTPLUG_MONITOR_COLOR (3 << 8) -#define CRT_HOTPLUG_MONITOR_MONO (2 << 8) -#define CRT_HOTPLUG_MONITOR_NONE (0 << 8) -#define SDVOC_HOTPLUG_INT_STATUS (1 << 7) -#define SDVOB_HOTPLUG_INT_STATUS (1 << 6) - -#define SDVOB 0x61140 -#define SDVOC 0x61160 -#define SDVO_ENABLE (1 << 31) -#define SDVO_PIPE_B_SELECT (1 << 30) -#define SDVO_STALL_SELECT (1 << 29) -#define SDVO_INTERRUPT_ENABLE (1 << 26) - -/** - * 915G/GM SDVO pixel multiplier. - * - * Programmed value is multiplier - 1, up to 5x. - * - * DPLL_MD_UDI_MULTIPLIER_MASK - */ -#define SDVO_PORT_MULTIPLY_MASK (7 << 23) -#define SDVO_PORT_MULTIPLY_SHIFT 23 -#define SDVO_PHASE_SELECT_MASK (15 << 19) -#define SDVO_PHASE_SELECT_DEFAULT (6 << 19) -#define SDVO_CLOCK_OUTPUT_INVERT (1 << 18) -#define SDVOC_GANG_MODE (1 << 16) -#define SDVO_BORDER_ENABLE (1 << 7) -#define SDVOB_PCIE_CONCURRENCY (1 << 3) -#define SDVO_DETECTED (1 << 2) -/* Bits to be preserved when writing */ -#define SDVOB_PRESERVE_MASK ((1 << 17) | (1 << 16) | (1 << 14)) -#define SDVOC_PRESERVE_MASK (1 << 17) - -/* - * This register controls the LVDS output enable, pipe selection, and data - * format selection. - * - * All of the clock/data pairs are force powered down by power sequencing. - */ -#define LVDS 0x61180 -/* - * Enables the LVDS port. This bit must be set before DPLLs are enabled, as - * the DPLL semantics change when the LVDS is assigned to that pipe. - */ -#define LVDS_PORT_EN (1 << 31) -/* Selects pipe B for LVDS data. Must be set on pre-965. */ -#define LVDS_PIPEB_SELECT (1 << 30) - -/* Turns on border drawing to allow centered display. */ -#define LVDS_BORDER_EN (1 << 15) - -/* - * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per - * pixel. - */ -#define LVDS_A0A2_CLKA_POWER_MASK (3 << 8) -#define LVDS_A0A2_CLKA_POWER_DOWN (0 << 8) -#define LVDS_A0A2_CLKA_POWER_UP (3 << 8) -/* - * Controls the A3 data pair, which contains the additional LSBs for 24 bit - * mode. Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be - * on. - */ -#define LVDS_A3_POWER_MASK (3 << 6) -#define LVDS_A3_POWER_DOWN (0 << 6) -#define LVDS_A3_POWER_UP (3 << 6) -/* - * Controls the CLKB pair. This should only be set when LVDS_B0B3_POWER_UP - * is set. - */ -#define LVDS_CLKB_POWER_MASK (3 << 4) -#define LVDS_CLKB_POWER_DOWN (0 << 4) -#define LVDS_CLKB_POWER_UP (3 << 4) -/* - * Controls the B0-B3 data pairs. This must be set to match the DPLL p2 - * setting for whether we are in dual-channel mode. The B3 pair will - * additionally only be powered up when LVDS_A3_POWER_UP is set. - */ -#define LVDS_B0B3_POWER_MASK (3 << 2) -#define LVDS_B0B3_POWER_DOWN (0 << 2) -#define LVDS_B0B3_POWER_UP (3 << 2) - -#define PIPEACONF 0x70008 -#define PIPEACONF_ENABLE (1 << 31) -#define PIPEACONF_DISABLE 0 -#define PIPEACONF_DOUBLE_WIDE (1 << 30) -#define PIPECONF_ACTIVE (1 << 30) -#define I965_PIPECONF_ACTIVE (1 << 30) -#define PIPECONF_DSIPLL_LOCK (1 << 29) -#define PIPEACONF_SINGLE_WIDE 0 -#define PIPEACONF_PIPE_UNLOCKED 0 -#define PIPEACONF_DSR (1 << 26) -#define PIPEACONF_PIPE_LOCKED (1 << 25) -#define PIPEACONF_PALETTE 0 -#define PIPECONF_FORCE_BORDER (1 << 25) -#define PIPEACONF_GAMMA (1 << 24) -#define PIPECONF_PROGRESSIVE (0 << 21) -#define PIPECONF_INTERLACE_W_FIELD_INDICATION (6 << 21) -#define PIPECONF_INTERLACE_FIELD_0_ONLY (7 << 21) -#define PIPECONF_PLANE_OFF (1 << 19) -#define PIPECONF_CURSOR_OFF (1 << 18) - -#define PIPEBCONF 0x71008 -#define PIPEBCONF_ENABLE (1 << 31) -#define PIPEBCONF_DISABLE 0 -#define PIPEBCONF_DOUBLE_WIDE (1 << 30) -#define PIPEBCONF_DISABLE 0 -#define PIPEBCONF_GAMMA (1 << 24) -#define PIPEBCONF_PALETTE 0 - -#define PIPECCONF 0x72008 - -#define PIPEBGCMAXRED 0x71010 -#define PIPEBGCMAXGREEN 0x71014 -#define PIPEBGCMAXBLUE 0x71018 - -#define PIPEASTAT 0x70024 -#define PIPEBSTAT 0x71024 -#define PIPECSTAT 0x72024 -#define PIPE_VBLANK_INTERRUPT_STATUS (1UL << 1) -#define PIPE_START_VBLANK_INTERRUPT_STATUS (1UL << 2) -#define PIPE_VBLANK_CLEAR (1 << 1) -#define PIPE_VBLANK_STATUS (1 << 1) -#define PIPE_TE_STATUS (1UL << 6) -#define PIPE_DPST_EVENT_STATUS (1UL << 7) -#define PIPE_VSYNC_CLEAR (1UL << 9) -#define PIPE_VSYNC_STATUS (1UL << 9) -#define PIPE_HDMI_AUDIO_UNDERRUN_STATUS (1UL << 10) -#define PIPE_HDMI_AUDIO_BUFFER_DONE_STATUS (1UL << 11) -#define PIPE_VBLANK_INTERRUPT_ENABLE (1UL << 17) -#define PIPE_START_VBLANK_INTERRUPT_ENABLE (1UL << 18) -#define PIPE_TE_ENABLE (1UL << 22) -#define PIPE_DPST_EVENT_ENABLE (1UL << 23) -#define PIPE_VSYNC_ENABL (1UL << 25) -#define PIPE_HDMI_AUDIO_UNDERRUN (1UL << 26) -#define PIPE_HDMI_AUDIO_BUFFER_DONE (1UL << 27) -#define PIPE_HDMI_AUDIO_INT_MASK (PIPE_HDMI_AUDIO_UNDERRUN | \ - PIPE_HDMI_AUDIO_BUFFER_DONE) -#define PIPE_EVENT_MASK ((1 << 29)|(1 << 28)|(1 << 27)|(1 << 26)|(1 << 24)|(1 << 23)|(1 << 22)|(1 << 21)|(1 << 20)|(1 << 16)) -#define PIPE_VBLANK_MASK ((1 << 25)|(1 << 24)|(1 << 18)|(1 << 17)) -#define HISTOGRAM_INT_CONTROL 0x61268 -#define HISTOGRAM_BIN_DATA 0X61264 -#define HISTOGRAM_LOGIC_CONTROL 0x61260 -#define PWM_CONTROL_LOGIC 0x61250 -#define PIPE_HOTPLUG_INTERRUPT_STATUS (1UL << 10) -#define HISTOGRAM_INTERRUPT_ENABLE (1UL << 31) -#define HISTOGRAM_LOGIC_ENABLE (1UL << 31) -#define PWM_LOGIC_ENABLE (1UL << 31) -#define PWM_PHASEIN_ENABLE (1UL << 25) -#define PWM_PHASEIN_INT_ENABLE (1UL << 24) -#define PWM_PHASEIN_VB_COUNT 0x00001f00 -#define PWM_PHASEIN_INC 0x0000001f -#define HISTOGRAM_INT_CTRL_CLEAR (1UL << 30) -#define DPST_YUV_LUMA_MODE 0 - -struct dpst_ie_histogram_control { - union { - uint32_t data; - struct { - uint32_t bin_reg_index:7; - uint32_t reserved:4; - uint32_t bin_reg_func_select:1; - uint32_t sync_to_phase_in:1; - uint32_t alt_enhancement_mode:2; - uint32_t reserved1:1; - uint32_t sync_to_phase_in_count:8; - uint32_t histogram_mode_select:1; - uint32_t reserved2:4; - uint32_t ie_pipe_assignment:1; - uint32_t ie_mode_table_enabled:1; - uint32_t ie_histogram_enable:1; - }; - }; -}; - -struct dpst_guardband { - union { - uint32_t data; - struct { - uint32_t guardband:22; - uint32_t guardband_interrupt_delay:8; - uint32_t interrupt_status:1; - uint32_t interrupt_enable:1; - }; - }; -}; - -#define PIPEAFRAMEHIGH 0x70040 -#define PIPEAFRAMEPIXEL 0x70044 -#define PIPEBFRAMEHIGH 0x71040 -#define PIPEBFRAMEPIXEL 0x71044 -#define PIPECFRAMEHIGH 0x72040 -#define PIPECFRAMEPIXEL 0x72044 -#define PIPE_FRAME_HIGH_MASK 0x0000ffff -#define PIPE_FRAME_HIGH_SHIFT 0 -#define PIPE_FRAME_LOW_MASK 0xff000000 -#define PIPE_FRAME_LOW_SHIFT 24 -#define PIPE_PIXEL_MASK 0x00ffffff -#define PIPE_PIXEL_SHIFT 0 - -#define DSPARB 0x70030 -#define DSPFW1 0x70034 -#define DSPFW2 0x70038 -#define DSPFW3 0x7003c -#define DSPFW4 0x70050 -#define DSPFW5 0x70054 -#define DSPFW6 0x70058 -#define DSPCHICKENBIT 0x70400 -#define DSPACNTR 0x70180 -#define DSPBCNTR 0x71180 -#define DSPCCNTR 0x72180 -#define DISPLAY_PLANE_ENABLE (1 << 31) -#define DISPLAY_PLANE_DISABLE 0 -#define DISPPLANE_GAMMA_ENABLE (1 << 30) -#define DISPPLANE_GAMMA_DISABLE 0 -#define DISPPLANE_PIXFORMAT_MASK (0xf << 26) -#define DISPPLANE_8BPP (0x2 << 26) -#define DISPPLANE_15_16BPP (0x4 << 26) -#define DISPPLANE_16BPP (0x5 << 26) -#define DISPPLANE_32BPP_NO_ALPHA (0x6 << 26) -#define DISPPLANE_32BPP (0x7 << 26) -#define DISPPLANE_STEREO_ENABLE (1 << 25) -#define DISPPLANE_STEREO_DISABLE 0 -#define DISPPLANE_SEL_PIPE_MASK (1 << 24) -#define DISPPLANE_SEL_PIPE_POS 24 -#define DISPPLANE_SEL_PIPE_A 0 -#define DISPPLANE_SEL_PIPE_B (1 << 24) -#define DISPPLANE_SRC_KEY_ENABLE (1 << 22) -#define DISPPLANE_SRC_KEY_DISABLE 0 -#define DISPPLANE_LINE_DOUBLE (1 << 20) -#define DISPPLANE_NO_LINE_DOUBLE 0 -#define DISPPLANE_STEREO_POLARITY_FIRST 0 -#define DISPPLANE_STEREO_POLARITY_SECOND (1 << 18) -/* plane B only */ -#define DISPPLANE_ALPHA_TRANS_ENABLE (1 << 15) -#define DISPPLANE_ALPHA_TRANS_DISABLE 0 -#define DISPPLANE_SPRITE_ABOVE_DISPLAYA 0 -#define DISPPLANE_SPRITE_ABOVE_OVERLAY (1) -#define DISPPLANE_BOTTOM (4) - -#define DSPABASE 0x70184 -#define DSPALINOFF 0x70184 -#define DSPASTRIDE 0x70188 - -#define DSPBBASE 0x71184 -#define DSPBLINOFF 0X71184 -#define DSPBADDR DSPBBASE -#define DSPBSTRIDE 0x71188 - -#define DSPCBASE 0x72184 -#define DSPCLINOFF 0x72184 -#define DSPCSTRIDE 0x72188 - -#define DSPAKEYVAL 0x70194 -#define DSPAKEYMASK 0x70198 - -#define DSPAPOS 0x7018C /* reserved */ -#define DSPASIZE 0x70190 -#define DSPBPOS 0x7118C -#define DSPBSIZE 0x71190 -#define DSPCPOS 0x7218C -#define DSPCSIZE 0x72190 - -#define DSPASURF 0x7019C -#define DSPATILEOFF 0x701A4 - -#define DSPBSURF 0x7119C -#define DSPBTILEOFF 0x711A4 - -#define DSPCSURF 0x7219C -#define DSPCTILEOFF 0x721A4 -#define DSPCKEYMAXVAL 0x721A0 -#define DSPCKEYMINVAL 0x72194 -#define DSPCKEYMSK 0x72198 - -#define VGACNTRL 0x71400 -#define VGA_DISP_DISABLE (1 << 31) -#define VGA_2X_MODE (1 << 30) -#define VGA_PIPE_B_SELECT (1 << 29) - -/* - * Overlay registers - */ -#define OV_C_OFFSET 0x08000 -#define OV_OVADD 0x30000 -#define OV_DOVASTA 0x30008 -# define OV_PIPE_SELECT ((1 << 6)|(1 << 7)) -# define OV_PIPE_SELECT_POS 6 -# define OV_PIPE_A 0 -# define OV_PIPE_C 1 -#define OV_OGAMC5 0x30010 -#define OV_OGAMC4 0x30014 -#define OV_OGAMC3 0x30018 -#define OV_OGAMC2 0x3001C -#define OV_OGAMC1 0x30020 -#define OV_OGAMC0 0x30024 -#define OVC_OVADD 0x38000 -#define OVC_DOVCSTA 0x38008 -#define OVC_OGAMC5 0x38010 -#define OVC_OGAMC4 0x38014 -#define OVC_OGAMC3 0x38018 -#define OVC_OGAMC2 0x3801C -#define OVC_OGAMC1 0x38020 -#define OVC_OGAMC0 0x38024 - -/* - * Some BIOS scratch area registers. The 845 (and 830?) store the amount - * of video memory available to the BIOS in SWF1. - */ -#define SWF0 0x71410 -#define SWF1 0x71414 -#define SWF2 0x71418 -#define SWF3 0x7141c -#define SWF4 0x71420 -#define SWF5 0x71424 -#define SWF6 0x71428 - -/* - * 855 scratch registers. - */ -#define SWF00 0x70410 -#define SWF01 0x70414 -#define SWF02 0x70418 -#define SWF03 0x7041c -#define SWF04 0x70420 -#define SWF05 0x70424 -#define SWF06 0x70428 - -#define SWF10 SWF0 -#define SWF11 SWF1 -#define SWF12 SWF2 -#define SWF13 SWF3 -#define SWF14 SWF4 -#define SWF15 SWF5 -#define SWF16 SWF6 - -#define SWF30 0x72414 -#define SWF31 0x72418 -#define SWF32 0x7241c - - -/* - * Palette registers - */ -#define PALETTE_A 0x0a000 -#define PALETTE_B 0x0a800 -#define PALETTE_C 0x0ac00 - -/* Cursor A & B regs */ -#define CURACNTR 0x70080 -#define CURSOR_MODE_DISABLE 0x00 -#define CURSOR_MODE_64_32B_AX 0x07 -#define CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX) -#define MCURSOR_GAMMA_ENABLE (1 << 26) -#define CURABASE 0x70084 -#define CURAPOS 0x70088 -#define CURSOR_POS_MASK 0x007FF -#define CURSOR_POS_SIGN 0x8000 -#define CURSOR_X_SHIFT 0 -#define CURSOR_Y_SHIFT 16 -#define CURBCNTR 0x700c0 -#define CURBBASE 0x700c4 -#define CURBPOS 0x700c8 -#define CURCCNTR 0x700e0 -#define CURCBASE 0x700e4 -#define CURCPOS 0x700e8 - -/* - * Interrupt Registers - */ -#define IER 0x020a0 -#define IIR 0x020a4 -#define IMR 0x020a8 -#define ISR 0x020ac - -/* - * MOORESTOWN delta registers - */ -#define MRST_DPLL_A 0x0f014 -#define MDFLD_DPLL_B 0x0f018 -#define MDFLD_INPUT_REF_SEL (1 << 14) -#define MDFLD_VCO_SEL (1 << 16) -#define DPLLA_MODE_LVDS (2 << 26) /* mrst */ -#define MDFLD_PLL_LATCHEN (1 << 28) -#define MDFLD_PWR_GATE_EN (1 << 30) -#define MDFLD_P1_MASK (0x1FF << 17) -#define MRST_FPA0 0x0f040 -#define MRST_FPA1 0x0f044 -#define MDFLD_DPLL_DIV0 0x0f048 -#define MDFLD_DPLL_DIV1 0x0f04c -#define MRST_PERF_MODE 0x020f4 - -/* - * MEDFIELD HDMI registers - */ -#define HDMIPHYMISCCTL 0x61134 -#define HDMI_PHY_POWER_DOWN 0x7f -#define HDMIB_CONTROL 0x61140 -#define HDMIB_PORT_EN (1 << 31) -#define HDMIB_PIPE_B_SELECT (1 << 30) -#define HDMIB_NULL_PACKET (1 << 9) -#define HDMIB_HDCP_PORT (1 << 5) - -/* #define LVDS 0x61180 */ -#define MRST_PANEL_8TO6_DITHER_ENABLE (1 << 25) -#define MRST_PANEL_24_DOT_1_FORMAT (1 << 24) -#define LVDS_A3_POWER_UP_0_OUTPUT (1 << 6) - -#define MIPI 0x61190 -#define MIPI_C 0x62190 -#define MIPI_PORT_EN (1 << 31) -/* Turns on border drawing to allow centered display. */ -#define SEL_FLOPPED_HSTX (1 << 23) -#define PASS_FROM_SPHY_TO_AFE (1 << 16) -#define MIPI_BORDER_EN (1 << 15) -#define MIPIA_3LANE_MIPIC_1LANE 0x1 -#define MIPIA_2LANE_MIPIC_2LANE 0x2 -#define TE_TRIGGER_DSI_PROTOCOL (1 << 2) -#define TE_TRIGGER_GPIO_PIN (1 << 3) -#define MIPI_TE_COUNT 0x61194 - -/* #define PP_CONTROL 0x61204 */ -#define POWER_DOWN_ON_RESET (1 << 1) - -/* #define PFIT_CONTROL 0x61230 */ -#define PFIT_PIPE_SELECT (3 << 29) -#define PFIT_PIPE_SELECT_SHIFT (29) - -/* #define BLC_PWM_CTL 0x61254 */ -#define MRST_BACKLIGHT_MODULATION_FREQ_SHIFT (16) -#define MRST_BACKLIGHT_MODULATION_FREQ_MASK (0xffff << 16) - -/* #define PIPEACONF 0x70008 */ -#define PIPEACONF_PIPE_STATE (1 << 30) -/* #define DSPACNTR 0x70180 */ - -#define MRST_DSPABASE 0x7019c -#define MRST_DSPBBASE 0x7119c -#define MDFLD_DSPCBASE 0x7219c - -/* - * Moorestown registers. - */ - -/* - * MIPI IP registers - */ -#define MIPIC_REG_OFFSET 0x800 - -#define DEVICE_READY_REG 0xb000 -#define LP_OUTPUT_HOLD (1 << 16) -#define EXIT_ULPS_DEV_READY 0x3 -#define LP_OUTPUT_HOLD_RELEASE 0x810000 -# define ENTERING_ULPS (2 << 1) -# define EXITING_ULPS (1 << 1) -# define ULPS_MASK (3 << 1) -# define BUS_POSSESSION (1 << 3) -#define INTR_STAT_REG 0xb004 -#define RX_SOT_ERROR (1 << 0) -#define RX_SOT_SYNC_ERROR (1 << 1) -#define RX_ESCAPE_MODE_ENTRY_ERROR (1 << 3) -#define RX_LP_TX_SYNC_ERROR (1 << 4) -#define RX_HS_RECEIVE_TIMEOUT_ERROR (1 << 5) -#define RX_FALSE_CONTROL_ERROR (1 << 6) -#define RX_ECC_SINGLE_BIT_ERROR (1 << 7) -#define RX_ECC_MULTI_BIT_ERROR (1 << 8) -#define RX_CHECKSUM_ERROR (1 << 9) -#define RX_DSI_DATA_TYPE_NOT_RECOGNIZED (1 << 10) -#define RX_DSI_VC_ID_INVALID (1 << 11) -#define TX_FALSE_CONTROL_ERROR (1 << 12) -#define TX_ECC_SINGLE_BIT_ERROR (1 << 13) -#define TX_ECC_MULTI_BIT_ERROR (1 << 14) -#define TX_CHECKSUM_ERROR (1 << 15) -#define TX_DSI_DATA_TYPE_NOT_RECOGNIZED (1 << 16) -#define TX_DSI_VC_ID_INVALID (1 << 17) -#define HIGH_CONTENTION (1 << 18) -#define LOW_CONTENTION (1 << 19) -#define DPI_FIFO_UNDER_RUN (1 << 20) -#define HS_TX_TIMEOUT (1 << 21) -#define LP_RX_TIMEOUT (1 << 22) -#define TURN_AROUND_ACK_TIMEOUT (1 << 23) -#define ACK_WITH_NO_ERROR (1 << 24) -#define HS_GENERIC_WR_FIFO_FULL (1 << 27) -#define LP_GENERIC_WR_FIFO_FULL (1 << 28) -#define SPL_PKT_SENT (1 << 30) -#define INTR_EN_REG 0xb008 -#define DSI_FUNC_PRG_REG 0xb00c -#define DPI_CHANNEL_NUMBER_POS 0x03 -#define DBI_CHANNEL_NUMBER_POS 0x05 -#define FMT_DPI_POS 0x07 -#define FMT_DBI_POS 0x0A -#define DBI_DATA_WIDTH_POS 0x0D - -/* DPI PIXEL FORMATS */ -#define RGB_565_FMT 0x01 /* RGB 565 FORMAT */ -#define RGB_666_FMT 0x02 /* RGB 666 FORMAT */ -#define LRGB_666_FMT 0x03 /* RGB LOOSELY PACKED - * 666 FORMAT - */ -#define RGB_888_FMT 0x04 /* RGB 888 FORMAT */ -#define VIRTUAL_CHANNEL_NUMBER_0 0x00 /* Virtual channel 0 */ -#define VIRTUAL_CHANNEL_NUMBER_1 0x01 /* Virtual channel 1 */ -#define VIRTUAL_CHANNEL_NUMBER_2 0x02 /* Virtual channel 2 */ -#define VIRTUAL_CHANNEL_NUMBER_3 0x03 /* Virtual channel 3 */ - -#define DBI_NOT_SUPPORTED 0x00 /* command mode - * is not supported - */ -#define DBI_DATA_WIDTH_16BIT 0x01 /* 16 bit data */ -#define DBI_DATA_WIDTH_9BIT 0x02 /* 9 bit data */ -#define DBI_DATA_WIDTH_8BIT 0x03 /* 8 bit data */ -#define DBI_DATA_WIDTH_OPT1 0x04 /* option 1 */ -#define DBI_DATA_WIDTH_OPT2 0x05 /* option 2 */ - -#define HS_TX_TIMEOUT_REG 0xb010 -#define LP_RX_TIMEOUT_REG 0xb014 -#define TURN_AROUND_TIMEOUT_REG 0xb018 -#define DEVICE_RESET_REG 0xb01C -#define DPI_RESOLUTION_REG 0xb020 -#define RES_V_POS 0x10 -#define DBI_RESOLUTION_REG 0xb024 /* Reserved for MDFLD */ -#define HORIZ_SYNC_PAD_COUNT_REG 0xb028 -#define HORIZ_BACK_PORCH_COUNT_REG 0xb02C -#define HORIZ_FRONT_PORCH_COUNT_REG 0xb030 -#define HORIZ_ACTIVE_AREA_COUNT_REG 0xb034 -#define VERT_SYNC_PAD_COUNT_REG 0xb038 -#define VERT_BACK_PORCH_COUNT_REG 0xb03c -#define VERT_FRONT_PORCH_COUNT_REG 0xb040 -#define HIGH_LOW_SWITCH_COUNT_REG 0xb044 -#define DPI_CONTROL_REG 0xb048 -#define DPI_SHUT_DOWN (1 << 0) -#define DPI_TURN_ON (1 << 1) -#define DPI_COLOR_MODE_ON (1 << 2) -#define DPI_COLOR_MODE_OFF (1 << 3) -#define DPI_BACK_LIGHT_ON (1 << 4) -#define DPI_BACK_LIGHT_OFF (1 << 5) -#define DPI_LP (1 << 6) -#define DPI_DATA_REG 0xb04c -#define DPI_BACK_LIGHT_ON_DATA 0x07 -#define DPI_BACK_LIGHT_OFF_DATA 0x17 -#define INIT_COUNT_REG 0xb050 -#define MAX_RET_PAK_REG 0xb054 -#define VIDEO_FMT_REG 0xb058 -#define COMPLETE_LAST_PCKT (1 << 2) -#define EOT_DISABLE_REG 0xb05c -#define ENABLE_CLOCK_STOPPING (1 << 1) -#define LP_BYTECLK_REG 0xb060 -#define LP_GEN_DATA_REG 0xb064 -#define HS_GEN_DATA_REG 0xb068 -#define LP_GEN_CTRL_REG 0xb06C -#define HS_GEN_CTRL_REG 0xb070 -#define DCS_CHANNEL_NUMBER_POS 0x6 -#define MCS_COMMANDS_POS 0x8 -#define WORD_COUNTS_POS 0x8 -#define MCS_PARAMETER_POS 0x10 -#define GEN_FIFO_STAT_REG 0xb074 -#define HS_DATA_FIFO_FULL (1 << 0) -#define HS_DATA_FIFO_HALF_EMPTY (1 << 1) -#define HS_DATA_FIFO_EMPTY (1 << 2) -#define LP_DATA_FIFO_FULL (1 << 8) -#define LP_DATA_FIFO_HALF_EMPTY (1 << 9) -#define LP_DATA_FIFO_EMPTY (1 << 10) -#define HS_CTRL_FIFO_FULL (1 << 16) -#define HS_CTRL_FIFO_HALF_EMPTY (1 << 17) -#define HS_CTRL_FIFO_EMPTY (1 << 18) -#define LP_CTRL_FIFO_FULL (1 << 24) -#define LP_CTRL_FIFO_HALF_EMPTY (1 << 25) -#define LP_CTRL_FIFO_EMPTY (1 << 26) -#define DBI_FIFO_EMPTY (1 << 27) -#define DPI_FIFO_EMPTY (1 << 28) -#define HS_LS_DBI_ENABLE_REG 0xb078 -#define TXCLKESC_REG 0xb07c -#define DPHY_PARAM_REG 0xb080 -#define DBI_BW_CTRL_REG 0xb084 -#define CLK_LANE_SWT_REG 0xb088 - -/* - * MIPI Adapter registers - */ -#define MIPI_CONTROL_REG 0xb104 -#define MIPI_2X_CLOCK_BITS ((1 << 0) | (1 << 1)) -#define MIPI_DATA_ADDRESS_REG 0xb108 -#define MIPI_DATA_LENGTH_REG 0xb10C -#define MIPI_COMMAND_ADDRESS_REG 0xb110 -#define MIPI_COMMAND_LENGTH_REG 0xb114 -#define MIPI_READ_DATA_RETURN_REG0 0xb118 -#define MIPI_READ_DATA_RETURN_REG1 0xb11C -#define MIPI_READ_DATA_RETURN_REG2 0xb120 -#define MIPI_READ_DATA_RETURN_REG3 0xb124 -#define MIPI_READ_DATA_RETURN_REG4 0xb128 -#define MIPI_READ_DATA_RETURN_REG5 0xb12C -#define MIPI_READ_DATA_RETURN_REG6 0xb130 -#define MIPI_READ_DATA_RETURN_REG7 0xb134 -#define MIPI_READ_DATA_VALID_REG 0xb138 - -/* DBI COMMANDS */ -#define soft_reset 0x01 -/* - * The display module performs a software reset. - * Registers are written with their SW Reset default values. - */ -#define get_power_mode 0x0a -/* - * The display module returns the current power mode - */ -#define get_address_mode 0x0b -/* - * The display module returns the current status. - */ -#define get_pixel_format 0x0c -/* - * This command gets the pixel format for the RGB image data - * used by the interface. - */ -#define get_display_mode 0x0d -/* - * The display module returns the Display Image Mode status. - */ -#define get_signal_mode 0x0e -/* - * The display module returns the Display Signal Mode. - */ -#define get_diagnostic_result 0x0f -/* - * The display module returns the self-diagnostic results following - * a Sleep Out command. - */ -#define enter_sleep_mode 0x10 -/* - * This command causes the display module to enter the Sleep mode. - * In this mode, all unnecessary blocks inside the display module are - * disabled except interface communication. This is the lowest power - * mode the display module supports. - */ -#define exit_sleep_mode 0x11 -/* - * This command causes the display module to exit Sleep mode. - * All blocks inside the display module are enabled. - */ -#define enter_partial_mode 0x12 -/* - * This command causes the display module to enter the Partial Display - * Mode. The Partial Display Mode window is described by the - * set_partial_area command. - */ -#define enter_normal_mode 0x13 -/* - * This command causes the display module to enter the Normal mode. - * Normal Mode is defined as Partial Display mode and Scroll mode are off - */ -#define exit_invert_mode 0x20 -/* - * This command causes the display module to stop inverting the image - * data on the display device. The frame memory contents remain unchanged. - * No status bits are changed. - */ -#define enter_invert_mode 0x21 -/* - * This command causes the display module to invert the image data only on - * the display device. The frame memory contents remain unchanged. - * No status bits are changed. - */ -#define set_gamma_curve 0x26 -/* - * This command selects the desired gamma curve for the display device. - * Four fixed gamma curves are defined in section DCS spec. - */ -#define set_display_off 0x28 -/* ************************************************************************* *\ -This command causes the display module to stop displaying the image data -on the display device. The frame memory contents remain unchanged. -No status bits are changed. -\* ************************************************************************* */ -#define set_display_on 0x29 -/* ************************************************************************* *\ -This command causes the display module to start displaying the image data -on the display device. The frame memory contents remain unchanged. -No status bits are changed. -\* ************************************************************************* */ -#define set_column_address 0x2a -/* - * This command defines the column extent of the frame memory accessed by - * the hostprocessor with the read_memory_continue and - * write_memory_continue commands. - * No status bits are changed. - */ -#define set_page_addr 0x2b -/* - * This command defines the page extent of the frame memory accessed by - * the host processor with the write_memory_continue and - * read_memory_continue command. - * No status bits are changed. - */ -#define write_mem_start 0x2c -/* - * This command transfers image data from the host processor to the - * display modules frame memory starting at the pixel location specified - * by preceding set_column_address and set_page_address commands. - */ -#define set_partial_area 0x30 -/* - * This command defines the Partial Display mode s display area. - * There are two parameters associated with this command, the first - * defines the Start Row (SR) and the second the End Row (ER). SR and ER - * refer to the Frame Memory Line Pointer. - */ -#define set_scroll_area 0x33 -/* - * This command defines the display modules Vertical Scrolling Area. - */ -#define set_tear_off 0x34 -/* - * This command turns off the display modules Tearing Effect output - * signal on the TE signal line. - */ -#define set_tear_on 0x35 -/* - * This command turns on the display modules Tearing Effect output signal - * on the TE signal line. - */ -#define set_address_mode 0x36 -/* - * This command sets the data order for transfers from the host processor - * to display modules frame memory,bits B[7:5] and B3, and from the - * display modules frame memory to the display device, bits B[2:0] and B4. - */ -#define set_scroll_start 0x37 -/* - * This command sets the start of the vertical scrolling area in the frame - * memory. The vertical scrolling area is fully defined when this command - * is used with the set_scroll_area command The set_scroll_start command - * has one parameter, the Vertical Scroll Pointer. The VSP defines the - * line in the frame memory that is written to the display device as the - * first line of the vertical scroll area. - */ -#define exit_idle_mode 0x38 -/* - * This command causes the display module to exit Idle mode. - */ -#define enter_idle_mode 0x39 -/* - * This command causes the display module to enter Idle Mode. - * In Idle Mode, color expression is reduced. Colors are shown on the - * display device using the MSB of each of the R, G and B color - * components in the frame memory - */ -#define set_pixel_format 0x3a -/* - * This command sets the pixel format for the RGB image data used by the - * interface. - * Bits D[6:4] DPI Pixel Format Definition - * Bits D[2:0] DBI Pixel Format Definition - * Bits D7 and D3 are not used. - */ -#define DCS_PIXEL_FORMAT_3bpp 0x1 -#define DCS_PIXEL_FORMAT_8bpp 0x2 -#define DCS_PIXEL_FORMAT_12bpp 0x3 -#define DCS_PIXEL_FORMAT_16bpp 0x5 -#define DCS_PIXEL_FORMAT_18bpp 0x6 -#define DCS_PIXEL_FORMAT_24bpp 0x7 - -#define write_mem_cont 0x3c - -/* - * This command transfers image data from the host processor to the - * display module's frame memory continuing from the pixel location - * following the previous write_memory_continue or write_memory_start - * command. - */ -#define set_tear_scanline 0x44 -/* - * This command turns on the display modules Tearing Effect output signal - * on the TE signal line when the display module reaches line N. - */ -#define get_scanline 0x45 -/* - * The display module returns the current scanline, N, used to update the - * display device. The total number of scanlines on a display device is - * defined as VSYNC + VBP + VACT + VFP.The first scanline is defined as - * the first line of V Sync and is denoted as Line 0. - * When in Sleep Mode, the value returned by get_scanline is undefined. - */ - -/* MCS or Generic COMMANDS */ -/* MCS/generic data type */ -#define GEN_SHORT_WRITE_0 0x03 /* generic short write, no parameters */ -#define GEN_SHORT_WRITE_1 0x13 /* generic short write, 1 parameters */ -#define GEN_SHORT_WRITE_2 0x23 /* generic short write, 2 parameters */ -#define GEN_READ_0 0x04 /* generic read, no parameters */ -#define GEN_READ_1 0x14 /* generic read, 1 parameters */ -#define GEN_READ_2 0x24 /* generic read, 2 parameters */ -#define GEN_LONG_WRITE 0x29 /* generic long write */ -#define MCS_SHORT_WRITE_0 0x05 /* MCS short write, no parameters */ -#define MCS_SHORT_WRITE_1 0x15 /* MCS short write, 1 parameters */ -#define MCS_READ 0x06 /* MCS read, no parameters */ -#define MCS_LONG_WRITE 0x39 /* MCS long write */ -/* MCS/generic commands */ -/* TPO MCS */ -#define write_display_profile 0x50 -#define write_display_brightness 0x51 -#define write_ctrl_display 0x53 -#define write_ctrl_cabc 0x55 - #define UI_IMAGE 0x01 - #define STILL_IMAGE 0x02 - #define MOVING_IMAGE 0x03 -#define write_hysteresis 0x57 -#define write_gamma_setting 0x58 -#define write_cabc_min_bright 0x5e -#define write_kbbc_profile 0x60 -/* TMD MCS */ -#define tmd_write_display_brightness 0x8c - -/* - * This command is used to control ambient light, panel backlight - * brightness and gamma settings. - */ -#define BRIGHT_CNTL_BLOCK_ON (1 << 5) -#define AMBIENT_LIGHT_SENSE_ON (1 << 4) -#define DISPLAY_DIMMING_ON (1 << 3) -#define BACKLIGHT_ON (1 << 2) -#define DISPLAY_BRIGHTNESS_AUTO (1 << 1) -#define GAMMA_AUTO (1 << 0) - -/* DCS Interface Pixel Formats */ -#define DCS_PIXEL_FORMAT_3BPP 0x1 -#define DCS_PIXEL_FORMAT_8BPP 0x2 -#define DCS_PIXEL_FORMAT_12BPP 0x3 -#define DCS_PIXEL_FORMAT_16BPP 0x5 -#define DCS_PIXEL_FORMAT_18BPP 0x6 -#define DCS_PIXEL_FORMAT_24BPP 0x7 -/* ONE PARAMETER READ DATA */ -#define addr_mode_data 0xfc -#define diag_res_data 0x00 -#define disp_mode_data 0x23 -#define pxl_fmt_data 0x77 -#define pwr_mode_data 0x74 -#define sig_mode_data 0x00 -/* TWO PARAMETERS READ DATA */ -#define scanline_data1 0xff -#define scanline_data2 0xff -#define NON_BURST_MODE_SYNC_PULSE 0x01 /* Non Burst Mode - * with Sync Pulse - */ -#define NON_BURST_MODE_SYNC_EVENTS 0x02 /* Non Burst Mode - * with Sync events - */ -#define BURST_MODE 0x03 /* Burst Mode */ -#define DBI_COMMAND_BUFFER_SIZE 0x240 /* 0x32 */ /* 0x120 */ - /* Allocate at least - * 0x100 Byte with 32 - * byte alignment - */ -#define DBI_DATA_BUFFER_SIZE 0x120 /* Allocate at least - * 0x100 Byte with 32 - * byte alignment - */ -#define DBI_CB_TIME_OUT 0xFFFF - -#define GEN_FB_TIME_OUT 2000 - -#define SKU_83 0x01 -#define SKU_100 0x02 -#define SKU_100L 0x04 -#define SKU_BYPASS 0x08 - -/* Some handy macros for playing with bitfields. */ -#define PSB_MASK(high, low) (((1<<((high)-(low)+1))-1)<<(low)) -#define SET_FIELD(value, field) (((value) << field ## _SHIFT) & field ## _MASK) -#define GET_FIELD(word, field) (((word) & field ## _MASK) >> field ## _SHIFT) - -#define _PIPE(pipe, a, b) ((a) + (pipe)*((b)-(a))) - -/* PCI config space */ - -#define SB_PCKT 0x02100 /* cedarview */ -# define SB_OPCODE_MASK PSB_MASK(31, 16) -# define SB_OPCODE_SHIFT 16 -# define SB_OPCODE_READ 0 -# define SB_OPCODE_WRITE 1 -# define SB_DEST_MASK PSB_MASK(15, 8) -# define SB_DEST_SHIFT 8 -# define SB_DEST_DPLL 0x88 -# define SB_BYTE_ENABLE_MASK PSB_MASK(7, 4) -# define SB_BYTE_ENABLE_SHIFT 4 -# define SB_BUSY (1 << 0) - - -/* 32-bit value read/written from the DPIO reg. */ -#define SB_DATA 0x02104 /* cedarview */ -/* 32-bit address of the DPIO reg to be read/written. */ -#define SB_ADDR 0x02108 /* cedarview */ -#define DPIO_CFG 0x02110 /* cedarview */ -# define DPIO_MODE_SELECT_1 (1 << 3) -# define DPIO_MODE_SELECT_0 (1 << 2) -# define DPIO_SFR_BYPASS (1 << 1) -/* reset is active low */ -# define DPIO_CMN_RESET_N (1 << 0) - -/* Cedarview sideband registers */ -#define _SB_M_A 0x8008 -#define _SB_M_B 0x8028 -#define SB_M(pipe) _PIPE(pipe, _SB_M_A, _SB_M_B) -# define SB_M_DIVIDER_MASK (0xFF << 24) -# define SB_M_DIVIDER_SHIFT 24 - -#define _SB_N_VCO_A 0x8014 -#define _SB_N_VCO_B 0x8034 -#define SB_N_VCO(pipe) _PIPE(pipe, _SB_N_VCO_A, _SB_N_VCO_B) -#define SB_N_VCO_SEL_MASK PSB_MASK(31, 30) -#define SB_N_VCO_SEL_SHIFT 30 -#define SB_N_DIVIDER_MASK PSB_MASK(29, 26) -#define SB_N_DIVIDER_SHIFT 26 -#define SB_N_CB_TUNE_MASK PSB_MASK(25, 24) -#define SB_N_CB_TUNE_SHIFT 24 - -#define _SB_REF_A 0x8018 -#define _SB_REF_B 0x8038 -#define SB_REF_SFR(pipe) _PIPE(pipe, _SB_REF_A, _SB_REF_B) - -#define _SB_P_A 0x801c -#define _SB_P_B 0x803c -#define SB_P(pipe) _PIPE(pipe, _SB_P_A, _SB_P_B) -#define SB_P2_DIVIDER_MASK PSB_MASK(31, 30) -#define SB_P2_DIVIDER_SHIFT 30 -#define SB_P2_10 0 /* HDMI, DP, DAC */ -#define SB_P2_5 1 /* DAC */ -#define SB_P2_14 2 /* LVDS single */ -#define SB_P2_7 3 /* LVDS double */ -#define SB_P1_DIVIDER_MASK PSB_MASK(15, 12) -#define SB_P1_DIVIDER_SHIFT 12 - -#define PSB_LANE0 0x120 -#define PSB_LANE1 0x220 -#define PSB_LANE2 0x2320 -#define PSB_LANE3 0x2420 - -#define LANE_PLL_MASK (0x7 << 20) -#define LANE_PLL_ENABLE (0x3 << 20) - - -#endif diff --git a/drivers/staging/gma500/psb_intel_sdvo.c b/drivers/staging/gma500/psb_intel_sdvo.c deleted file mode 100644 index a4bad1af4b7c82..00000000000000 --- a/drivers/staging/gma500/psb_intel_sdvo.c +++ /dev/null @@ -1,1293 +0,0 @@ -/* - * Copyright (c) 2006-2007 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: - * Eric Anholt <eric@anholt.net> - */ - -#include <linux/i2c.h> -#include <linux/delay.h> -/* #include <drm/drm_crtc.h> */ -#include <drm/drmP.h> -#include "psb_drv.h" -#include "psb_intel_drv.h" -#include "psb_intel_reg.h" -#include "psb_intel_sdvo_regs.h" - -struct psb_intel_sdvo_priv { - struct psb_intel_i2c_chan *i2c_bus; - int slaveaddr; - int output_device; - - u16 active_outputs; - - struct psb_intel_sdvo_caps caps; - int pixel_clock_min, pixel_clock_max; - - int save_sdvo_mult; - u16 save_active_outputs; - struct psb_intel_sdvo_dtd save_input_dtd_1, save_input_dtd_2; - struct psb_intel_sdvo_dtd save_output_dtd[16]; - u32 save_SDVOX; - u8 in_out_map[4]; - - u8 by_input_wiring; - u32 active_device; -}; - -/** - * Writes the SDVOB or SDVOC with the given value, but always writes both - * SDVOB and SDVOC to work around apparent hardware issues (according to - * comments in the BIOS). - */ -void psb_intel_sdvo_write_sdvox(struct psb_intel_output *psb_intel_output, - u32 val) -{ - struct drm_device *dev = psb_intel_output->base.dev; - struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv; - u32 bval = val, cval = val; - int i; - - if (sdvo_priv->output_device == SDVOB) - cval = REG_READ(SDVOC); - else - bval = REG_READ(SDVOB); - /* - * Write the registers twice for luck. Sometimes, - * writing them only once doesn't appear to 'stick'. - * The BIOS does this too. Yay, magic - */ - for (i = 0; i < 2; i++) { - REG_WRITE(SDVOB, bval); - REG_READ(SDVOB); - REG_WRITE(SDVOC, cval); - REG_READ(SDVOC); - } -} - -static bool psb_intel_sdvo_read_byte( - struct psb_intel_output *psb_intel_output, - u8 addr, u8 *ch) -{ - struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv; - u8 out_buf[2]; - u8 buf[2]; - int ret; - - struct i2c_msg msgs[] = { - { - .addr = sdvo_priv->i2c_bus->slave_addr, - .flags = 0, - .len = 1, - .buf = out_buf, - }, - { - .addr = sdvo_priv->i2c_bus->slave_addr, - .flags = I2C_M_RD, - .len = 1, - .buf = buf, - } - }; - - out_buf[0] = addr; - out_buf[1] = 0; - - ret = i2c_transfer(&sdvo_priv->i2c_bus->adapter, msgs, 2); - if (ret == 2) { - *ch = buf[0]; - return true; - } - - return false; -} - -static bool psb_intel_sdvo_write_byte( - struct psb_intel_output *psb_intel_output, - int addr, u8 ch) -{ - u8 out_buf[2]; - struct i2c_msg msgs[] = { - { - .addr = psb_intel_output->i2c_bus->slave_addr, - .flags = 0, - .len = 2, - .buf = out_buf, - } - }; - - out_buf[0] = addr; - out_buf[1] = ch; - - if (i2c_transfer(&psb_intel_output->i2c_bus->adapter, msgs, 1) == 1) - return true; - return false; -} - -#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd} -/** Mapping of command numbers to names, for debug output */ -static const struct _sdvo_cmd_name { - u8 cmd; - char *name; -} sdvo_cmd_names[] = { -SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG), - SDVO_CMD_NAME_ENTRY - (SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2), - SDVO_CMD_NAME_ENTRY - (SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING), - SDVO_CMD_NAME_ENTRY - (SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1), - SDVO_CMD_NAME_ENTRY - (SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2), - SDVO_CMD_NAME_ENTRY - (SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE), - SDVO_CMD_NAME_ENTRY - (SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE), - SDVO_CMD_NAME_ENTRY - (SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT), - SDVO_CMD_NAME_ENTRY - (SDVO_CMD_SET_TV_RESOLUTION_SUPPORT), - SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),}; - -#define SDVO_NAME(dev_priv) \ - ((dev_priv)->output_device == SDVOB ? "SDVOB" : "SDVOC") -#define SDVO_PRIV(output) ((struct psb_intel_sdvo_priv *) (output)->dev_priv) - -static void psb_intel_sdvo_write_cmd(struct psb_intel_output *psb_intel_output, - u8 cmd, - void *args, - int args_len) -{ - struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv; - int i; - - if (0) { - printk(KERN_DEBUG "%s: W: %02X ", SDVO_NAME(sdvo_priv), cmd); - for (i = 0; i < args_len; i++) - printk(KERN_CONT "%02X ", ((u8 *) args)[i]); - for (; i < 8; i++) - printk(KERN_CONT " "); - for (i = 0; - i < - sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]); - i++) { - if (cmd == sdvo_cmd_names[i].cmd) { - printk(KERN_CONT - "(%s)", sdvo_cmd_names[i].name); - break; - } - } - if (i == - sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0])) - printk(KERN_CONT "(%02X)", cmd); - printk(KERN_CONT "\n"); - } - - for (i = 0; i < args_len; i++) { - psb_intel_sdvo_write_byte(psb_intel_output, - SDVO_I2C_ARG_0 - i, - ((u8 *) args)[i]); - } - - psb_intel_sdvo_write_byte(psb_intel_output, SDVO_I2C_OPCODE, cmd); -} - -static const char *const cmd_status_names[] = { - "Power on", - "Success", - "Not supported", - "Invalid arg", - "Pending", - "Target not specified", - "Scaling not supported" -}; - -static u8 psb_intel_sdvo_read_response( - struct psb_intel_output *psb_intel_output, - void *response, int response_len) -{ - struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv; - int i; - u8 status; - u8 retry = 50; - - while (retry--) { - /* Read the command response */ - for (i = 0; i < response_len; i++) { - psb_intel_sdvo_read_byte(psb_intel_output, - SDVO_I2C_RETURN_0 + i, - &((u8 *) response)[i]); - } - - /* read the return status */ - psb_intel_sdvo_read_byte(psb_intel_output, - SDVO_I2C_CMD_STATUS, - &status); - - if (0) { - pr_debug("%s: R: ", SDVO_NAME(sdvo_priv)); - for (i = 0; i < response_len; i++) - printk(KERN_CONT "%02X ", ((u8 *) response)[i]); - for (; i < 8; i++) - printk(" "); - if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP) - printk(KERN_CONT "(%s)", - cmd_status_names[status]); - else - printk(KERN_CONT "(??? %d)", status); - printk(KERN_CONT "\n"); - } - - if (status != SDVO_CMD_STATUS_PENDING) - return status; - - mdelay(50); - } - - return status; -} - -int psb_intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode) -{ - if (mode->clock >= 100000) - return 1; - else if (mode->clock >= 50000) - return 2; - else - return 4; -} - -/** - * Don't check status code from this as it switches the bus back to the - * SDVO chips which defeats the purpose of doing a bus switch in the first - * place. - */ -void psb_intel_sdvo_set_control_bus_switch( - struct psb_intel_output *psb_intel_output, - u8 target) -{ - psb_intel_sdvo_write_cmd(psb_intel_output, - SDVO_CMD_SET_CONTROL_BUS_SWITCH, - &target, - 1); -} - -static bool psb_intel_sdvo_set_target_input( - struct psb_intel_output *psb_intel_output, - bool target_0, bool target_1) -{ - struct psb_intel_sdvo_set_target_input_args targets = { 0 }; - u8 status; - - if (target_0 && target_1) - return SDVO_CMD_STATUS_NOTSUPP; - - if (target_1) - targets.target_1 = 1; - - psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_SET_TARGET_INPUT, - &targets, sizeof(targets)); - - status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0); - - return status == SDVO_CMD_STATUS_SUCCESS; -} - -/** - * Return whether each input is trained. - * - * This function is making an assumption about the layout of the response, - * which should be checked against the docs. - */ -static bool psb_intel_sdvo_get_trained_inputs(struct psb_intel_output - *psb_intel_output, bool *input_1, - bool *input_2) -{ - struct psb_intel_sdvo_get_trained_inputs_response response; - u8 status; - - psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_GET_TRAINED_INPUTS, - NULL, 0); - status = - psb_intel_sdvo_read_response(psb_intel_output, &response, - sizeof(response)); - if (status != SDVO_CMD_STATUS_SUCCESS) - return false; - - *input_1 = response.input0_trained; - *input_2 = response.input1_trained; - return true; -} - -static bool psb_intel_sdvo_get_active_outputs(struct psb_intel_output - *psb_intel_output, u16 *outputs) -{ - u8 status; - - psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_GET_ACTIVE_OUTPUTS, - NULL, 0); - status = - psb_intel_sdvo_read_response(psb_intel_output, outputs, - sizeof(*outputs)); - - return status == SDVO_CMD_STATUS_SUCCESS; -} - -static bool psb_intel_sdvo_set_active_outputs(struct psb_intel_output - *psb_intel_output, u16 outputs) -{ - u8 status; - - psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_SET_ACTIVE_OUTPUTS, - &outputs, sizeof(outputs)); - status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0); - return status == SDVO_CMD_STATUS_SUCCESS; -} - -static bool psb_intel_sdvo_set_encoder_power_state(struct psb_intel_output - *psb_intel_output, int mode) -{ - u8 status, state = SDVO_ENCODER_STATE_ON; - - switch (mode) { - case DRM_MODE_DPMS_ON: - state = SDVO_ENCODER_STATE_ON; - break; - case DRM_MODE_DPMS_STANDBY: - state = SDVO_ENCODER_STATE_STANDBY; - break; - case DRM_MODE_DPMS_SUSPEND: - state = SDVO_ENCODER_STATE_SUSPEND; - break; - case DRM_MODE_DPMS_OFF: - state = SDVO_ENCODER_STATE_OFF; - break; - } - - psb_intel_sdvo_write_cmd(psb_intel_output, - SDVO_CMD_SET_ENCODER_POWER_STATE, &state, - sizeof(state)); - status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0); - - return status == SDVO_CMD_STATUS_SUCCESS; -} - -static bool psb_intel_sdvo_get_input_pixel_clock_range(struct psb_intel_output - *psb_intel_output, - int *clock_min, - int *clock_max) -{ - struct psb_intel_sdvo_pixel_clock_range clocks; - u8 status; - - psb_intel_sdvo_write_cmd(psb_intel_output, - SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE, NULL, - 0); - - status = - psb_intel_sdvo_read_response(psb_intel_output, &clocks, - sizeof(clocks)); - - if (status != SDVO_CMD_STATUS_SUCCESS) - return false; - - /* Convert the values from units of 10 kHz to kHz. */ - *clock_min = clocks.min * 10; - *clock_max = clocks.max * 10; - - return true; -} - -static bool psb_intel_sdvo_set_target_output( - struct psb_intel_output *psb_intel_output, - u16 outputs) -{ - u8 status; - - psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_SET_TARGET_OUTPUT, - &outputs, sizeof(outputs)); - - status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0); - return status == SDVO_CMD_STATUS_SUCCESS; -} - -static bool psb_intel_sdvo_get_timing(struct psb_intel_output *psb_intel_output, - u8 cmd, struct psb_intel_sdvo_dtd *dtd) -{ - u8 status; - - psb_intel_sdvo_write_cmd(psb_intel_output, cmd, NULL, 0); - status = psb_intel_sdvo_read_response(psb_intel_output, &dtd->part1, - sizeof(dtd->part1)); - if (status != SDVO_CMD_STATUS_SUCCESS) - return false; - - psb_intel_sdvo_write_cmd(psb_intel_output, cmd + 1, NULL, 0); - status = psb_intel_sdvo_read_response(psb_intel_output, &dtd->part2, - sizeof(dtd->part2)); - if (status != SDVO_CMD_STATUS_SUCCESS) - return false; - - return true; -} - -static bool psb_intel_sdvo_get_input_timing( - struct psb_intel_output *psb_intel_output, - struct psb_intel_sdvo_dtd *dtd) -{ - return psb_intel_sdvo_get_timing(psb_intel_output, - SDVO_CMD_GET_INPUT_TIMINGS_PART1, - dtd); -} - -static bool psb_intel_sdvo_set_timing( - struct psb_intel_output *psb_intel_output, - u8 cmd, - struct psb_intel_sdvo_dtd *dtd) -{ - u8 status; - - psb_intel_sdvo_write_cmd(psb_intel_output, cmd, &dtd->part1, - sizeof(dtd->part1)); - status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0); - if (status != SDVO_CMD_STATUS_SUCCESS) - return false; - - psb_intel_sdvo_write_cmd(psb_intel_output, cmd + 1, &dtd->part2, - sizeof(dtd->part2)); - status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0); - if (status != SDVO_CMD_STATUS_SUCCESS) - return false; - - return true; -} - -static bool psb_intel_sdvo_set_input_timing( - struct psb_intel_output *psb_intel_output, - struct psb_intel_sdvo_dtd *dtd) -{ - return psb_intel_sdvo_set_timing(psb_intel_output, - SDVO_CMD_SET_INPUT_TIMINGS_PART1, - dtd); -} - -static bool psb_intel_sdvo_set_output_timing( - struct psb_intel_output *psb_intel_output, - struct psb_intel_sdvo_dtd *dtd) -{ - return psb_intel_sdvo_set_timing(psb_intel_output, - SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, - dtd); -} - -static int psb_intel_sdvo_get_clock_rate_mult(struct psb_intel_output - *psb_intel_output) -{ - u8 response, status; - - psb_intel_sdvo_write_cmd(psb_intel_output, - SDVO_CMD_GET_CLOCK_RATE_MULT, - NULL, - 0); - - status = psb_intel_sdvo_read_response(psb_intel_output, &response, 1); - - if (status != SDVO_CMD_STATUS_SUCCESS) { - DRM_DEBUG("Couldn't get SDVO clock rate multiplier\n"); - return SDVO_CLOCK_RATE_MULT_1X; - } else { - DRM_DEBUG("Current clock rate multiplier: %d\n", response); - } - - return response; -} - -static bool psb_intel_sdvo_set_clock_rate_mult(struct psb_intel_output - *psb_intel_output, u8 val) -{ - u8 status; - - psb_intel_sdvo_write_cmd(psb_intel_output, - SDVO_CMD_SET_CLOCK_RATE_MULT, - &val, - 1); - - status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0); - if (status != SDVO_CMD_STATUS_SUCCESS) - return false; - - return true; -} - -static bool psb_sdvo_set_current_inoutmap(struct psb_intel_output *output, - u32 in0outputmask, - u32 in1outputmask) -{ - u8 byArgs[4]; - u8 status; - int i; - struct psb_intel_sdvo_priv *sdvo_priv = output->dev_priv; - - /* Make all fields of the args/ret to zero */ - memset(byArgs, 0, sizeof(byArgs)); - - /* Fill up the argument values; */ - byArgs[0] = (u8) (in0outputmask & 0xFF); - byArgs[1] = (u8) ((in0outputmask >> 8) & 0xFF); - byArgs[2] = (u8) (in1outputmask & 0xFF); - byArgs[3] = (u8) ((in1outputmask >> 8) & 0xFF); - - - /*save inoutmap arg here*/ - for (i = 0; i < 4; i++) - sdvo_priv->in_out_map[i] = byArgs[0]; - - psb_intel_sdvo_write_cmd(output, SDVO_CMD_SET_IN_OUT_MAP, byArgs, 4); - status = psb_intel_sdvo_read_response(output, NULL, 0); - - if (status != SDVO_CMD_STATUS_SUCCESS) - return false; - return true; -} - - -static void psb_intel_sdvo_set_iomap(struct psb_intel_output *output) -{ - u32 dwCurrentSDVOIn0 = 0; - u32 dwCurrentSDVOIn1 = 0; - u32 dwDevMask = 0; - - - struct psb_intel_sdvo_priv *sdvo_priv = output->dev_priv; - - /* Please DO NOT change the following code. */ - /* SDVOB_IN0 or SDVOB_IN1 ==> sdvo_in0 */ - /* SDVOC_IN0 or SDVOC_IN1 ==> sdvo_in1 */ - if (sdvo_priv->by_input_wiring & (SDVOB_IN0 | SDVOC_IN0)) { - switch (sdvo_priv->active_device) { - case SDVO_DEVICE_LVDS: - dwDevMask = SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1; - break; - case SDVO_DEVICE_TMDS: - dwDevMask = SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1; - break; - case SDVO_DEVICE_TV: - dwDevMask = - SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_SVID0 | - SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_YPRPB1 | - SDVO_OUTPUT_SVID1 | SDVO_OUTPUT_CVBS1 | - SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1; - break; - case SDVO_DEVICE_CRT: - dwDevMask = SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1; - break; - } - dwCurrentSDVOIn0 = (sdvo_priv->active_outputs & dwDevMask); - } else if (sdvo_priv->by_input_wiring & (SDVOB_IN1 | SDVOC_IN1)) { - switch (sdvo_priv->active_device) { - case SDVO_DEVICE_LVDS: - dwDevMask = SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1; - break; - case SDVO_DEVICE_TMDS: - dwDevMask = SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1; - break; - case SDVO_DEVICE_TV: - dwDevMask = - SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_SVID0 | - SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_YPRPB1 | - SDVO_OUTPUT_SVID1 | SDVO_OUTPUT_CVBS1 | - SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1; - break; - case SDVO_DEVICE_CRT: - dwDevMask = SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1; - break; - } - dwCurrentSDVOIn1 = (sdvo_priv->active_outputs & dwDevMask); - } - - psb_sdvo_set_current_inoutmap(output, dwCurrentSDVOIn0, - dwCurrentSDVOIn1); -} - - -static bool psb_intel_sdvo_mode_fixup(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - /* Make the CRTC code factor in the SDVO pixel multiplier. The SDVO - * device will be told of the multiplier during mode_set. - */ - adjusted_mode->clock *= psb_intel_sdvo_get_pixel_multiplier(mode); - return true; -} - -static void psb_intel_sdvo_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct drm_device *dev = encoder->dev; - struct drm_crtc *crtc = encoder->crtc; - struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc); - struct psb_intel_output *psb_intel_output = - enc_to_psb_intel_output(encoder); - struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv; - u16 width, height; - u16 h_blank_len, h_sync_len, v_blank_len, v_sync_len; - u16 h_sync_offset, v_sync_offset; - u32 sdvox; - struct psb_intel_sdvo_dtd output_dtd; - int sdvo_pixel_multiply; - - if (!mode) - return; - - psb_intel_sdvo_set_target_output(psb_intel_output, 0); - - width = mode->crtc_hdisplay; - height = mode->crtc_vdisplay; - - /* do some mode translations */ - h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start; - h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start; - - v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start; - v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start; - - h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start; - v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start; - - output_dtd.part1.clock = mode->clock / 10; - output_dtd.part1.h_active = width & 0xff; - output_dtd.part1.h_blank = h_blank_len & 0xff; - output_dtd.part1.h_high = (((width >> 8) & 0xf) << 4) | - ((h_blank_len >> 8) & 0xf); - output_dtd.part1.v_active = height & 0xff; - output_dtd.part1.v_blank = v_blank_len & 0xff; - output_dtd.part1.v_high = (((height >> 8) & 0xf) << 4) | - ((v_blank_len >> 8) & 0xf); - - output_dtd.part2.h_sync_off = h_sync_offset; - output_dtd.part2.h_sync_width = h_sync_len & 0xff; - output_dtd.part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 | - (v_sync_len & 0xf); - output_dtd.part2.sync_off_width_high = - ((h_sync_offset & 0x300) >> 2) | ((h_sync_len & 0x300) >> 4) | - ((v_sync_offset & 0x30) >> 2) | ((v_sync_len & 0x30) >> 4); - - output_dtd.part2.dtd_flags = 0x18; - if (mode->flags & DRM_MODE_FLAG_PHSYNC) - output_dtd.part2.dtd_flags |= 0x2; - if (mode->flags & DRM_MODE_FLAG_PVSYNC) - output_dtd.part2.dtd_flags |= 0x4; - - output_dtd.part2.sdvo_flags = 0; - output_dtd.part2.v_sync_off_high = v_sync_offset & 0xc0; - output_dtd.part2.reserved = 0; - - /* Set the output timing to the screen */ - psb_intel_sdvo_set_target_output(psb_intel_output, - sdvo_priv->active_outputs); - - /* Set the input timing to the screen. Assume always input 0. */ - psb_intel_sdvo_set_target_input(psb_intel_output, true, false); - - psb_intel_sdvo_set_output_timing(psb_intel_output, &output_dtd); - - /* We would like to use i830_sdvo_create_preferred_input_timing() to - * provide the device with a timing it can support, if it supports that - * feature. However, presumably we would need to adjust the CRTC to - * output the preferred timing, and we don't support that currently. - */ - psb_intel_sdvo_set_input_timing(psb_intel_output, &output_dtd); - - switch (psb_intel_sdvo_get_pixel_multiplier(mode)) { - case 1: - psb_intel_sdvo_set_clock_rate_mult(psb_intel_output, - SDVO_CLOCK_RATE_MULT_1X); - break; - case 2: - psb_intel_sdvo_set_clock_rate_mult(psb_intel_output, - SDVO_CLOCK_RATE_MULT_2X); - break; - case 4: - psb_intel_sdvo_set_clock_rate_mult(psb_intel_output, - SDVO_CLOCK_RATE_MULT_4X); - break; - } - - /* Set the SDVO control regs. */ - sdvox = REG_READ(sdvo_priv->output_device); - switch (sdvo_priv->output_device) { - case SDVOB: - sdvox &= SDVOB_PRESERVE_MASK; - break; - case SDVOC: - sdvox &= SDVOC_PRESERVE_MASK; - break; - } - sdvox |= (9 << 19) | SDVO_BORDER_ENABLE; - if (psb_intel_crtc->pipe == 1) - sdvox |= SDVO_PIPE_B_SELECT; - - sdvo_pixel_multiply = psb_intel_sdvo_get_pixel_multiplier(mode); - - psb_intel_sdvo_write_sdvox(psb_intel_output, sdvox); - - psb_intel_sdvo_set_iomap(psb_intel_output); -} - -static void psb_intel_sdvo_dpms(struct drm_encoder *encoder, int mode) -{ - struct drm_device *dev = encoder->dev; - struct psb_intel_output *psb_intel_output = - enc_to_psb_intel_output(encoder); - struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv; - u32 temp; - - if (mode != DRM_MODE_DPMS_ON) { - psb_intel_sdvo_set_active_outputs(psb_intel_output, 0); - if (0) - psb_intel_sdvo_set_encoder_power_state( - psb_intel_output, - mode); - - if (mode == DRM_MODE_DPMS_OFF) { - temp = REG_READ(sdvo_priv->output_device); - if ((temp & SDVO_ENABLE) != 0) { - psb_intel_sdvo_write_sdvox(psb_intel_output, - temp & - ~SDVO_ENABLE); - } - } - } else { - bool input1, input2; - int i; - u8 status; - - temp = REG_READ(sdvo_priv->output_device); - if ((temp & SDVO_ENABLE) == 0) - psb_intel_sdvo_write_sdvox(psb_intel_output, - temp | SDVO_ENABLE); - for (i = 0; i < 2; i++) - psb_intel_wait_for_vblank(dev); - - status = - psb_intel_sdvo_get_trained_inputs(psb_intel_output, - &input1, - &input2); - - - /* Warn if the device reported failure to sync. - * A lot of SDVO devices fail to notify of sync, but it's - * a given it the status is a success, we succeeded. - */ - if (status == SDVO_CMD_STATUS_SUCCESS && !input1) { - DRM_DEBUG - ("First %s output reported failure to sync\n", - SDVO_NAME(sdvo_priv)); - } - - if (0) - psb_intel_sdvo_set_encoder_power_state( - psb_intel_output, - mode); - psb_intel_sdvo_set_active_outputs(psb_intel_output, - sdvo_priv->active_outputs); - } - return; -} - -static void psb_intel_sdvo_save(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv; - /*int o;*/ - - sdvo_priv->save_sdvo_mult = - psb_intel_sdvo_get_clock_rate_mult(psb_intel_output); - psb_intel_sdvo_get_active_outputs(psb_intel_output, - &sdvo_priv->save_active_outputs); - - if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) { - psb_intel_sdvo_set_target_input(psb_intel_output, - true, - false); - psb_intel_sdvo_get_input_timing(psb_intel_output, - &sdvo_priv->save_input_dtd_1); - } - - if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) { - psb_intel_sdvo_set_target_input(psb_intel_output, - false, - true); - psb_intel_sdvo_get_input_timing(psb_intel_output, - &sdvo_priv->save_input_dtd_2); - } - sdvo_priv->save_SDVOX = REG_READ(sdvo_priv->output_device); - - /*TODO: save the in_out_map state*/ -} - -static void psb_intel_sdvo_restore(struct drm_connector *connector) -{ - struct drm_device *dev = connector->dev; - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv; - /*int o;*/ - int i; - bool input1, input2; - u8 status; - - psb_intel_sdvo_set_active_outputs(psb_intel_output, 0); - - if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) { - psb_intel_sdvo_set_target_input(psb_intel_output, true, false); - psb_intel_sdvo_set_input_timing(psb_intel_output, - &sdvo_priv->save_input_dtd_1); - } - - if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) { - psb_intel_sdvo_set_target_input(psb_intel_output, false, true); - psb_intel_sdvo_set_input_timing(psb_intel_output, - &sdvo_priv->save_input_dtd_2); - } - - psb_intel_sdvo_set_clock_rate_mult(psb_intel_output, - sdvo_priv->save_sdvo_mult); - - REG_WRITE(sdvo_priv->output_device, sdvo_priv->save_SDVOX); - - if (sdvo_priv->save_SDVOX & SDVO_ENABLE) { - for (i = 0; i < 2; i++) - psb_intel_wait_for_vblank(dev); - status = - psb_intel_sdvo_get_trained_inputs(psb_intel_output, - &input1, - &input2); - if (status == SDVO_CMD_STATUS_SUCCESS && !input1) - DRM_DEBUG - ("First %s output reported failure to sync\n", - SDVO_NAME(sdvo_priv)); - } - - psb_intel_sdvo_set_active_outputs(psb_intel_output, - sdvo_priv->save_active_outputs); - - /*TODO: restore in_out_map*/ - psb_intel_sdvo_write_cmd(psb_intel_output, - SDVO_CMD_SET_IN_OUT_MAP, - sdvo_priv->in_out_map, - 4); - - psb_intel_sdvo_read_response(psb_intel_output, NULL, 0); -} - -static int psb_intel_sdvo_mode_valid(struct drm_connector *connector, - struct drm_display_mode *mode) -{ - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv; - - if (mode->flags & DRM_MODE_FLAG_DBLSCAN) - return MODE_NO_DBLESCAN; - - if (sdvo_priv->pixel_clock_min > mode->clock) - return MODE_CLOCK_LOW; - - if (sdvo_priv->pixel_clock_max < mode->clock) - return MODE_CLOCK_HIGH; - - return MODE_OK; -} - -static bool psb_intel_sdvo_get_capabilities( - struct psb_intel_output *psb_intel_output, - struct psb_intel_sdvo_caps *caps) -{ - u8 status; - - psb_intel_sdvo_write_cmd(psb_intel_output, - SDVO_CMD_GET_DEVICE_CAPS, - NULL, - 0); - status = psb_intel_sdvo_read_response(psb_intel_output, - caps, - sizeof(*caps)); - if (status != SDVO_CMD_STATUS_SUCCESS) - return false; - - return true; -} - -struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, int sdvoB) -{ - struct drm_connector *connector = NULL; - struct psb_intel_output *iout = NULL; - struct psb_intel_sdvo_priv *sdvo; - - /* find the sdvo connector */ - list_for_each_entry(connector, &dev->mode_config.connector_list, - head) { - iout = to_psb_intel_output(connector); - - if (iout->type != INTEL_OUTPUT_SDVO) - continue; - - sdvo = iout->dev_priv; - - if (sdvo->output_device == SDVOB && sdvoB) - return connector; - - if (sdvo->output_device == SDVOC && !sdvoB) - return connector; - - } - - return NULL; -} - -int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector) -{ - u8 response[2]; - u8 status; - struct psb_intel_output *psb_intel_output; - - if (!connector) - return 0; - - psb_intel_output = to_psb_intel_output(connector); - - psb_intel_sdvo_write_cmd(psb_intel_output, - SDVO_CMD_GET_HOT_PLUG_SUPPORT, - NULL, - 0); - status = psb_intel_sdvo_read_response(psb_intel_output, - &response, - 2); - - if (response[0] != 0) - return 1; - - return 0; -} - -void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, int on) -{ - u8 response[2]; - u8 status; - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - - psb_intel_sdvo_write_cmd(psb_intel_output, - SDVO_CMD_GET_ACTIVE_HOT_PLUG, - NULL, - 0); - psb_intel_sdvo_read_response(psb_intel_output, &response, 2); - - if (on) { - psb_intel_sdvo_write_cmd(psb_intel_output, - SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, - 0); - status = psb_intel_sdvo_read_response(psb_intel_output, - &response, - 2); - - psb_intel_sdvo_write_cmd(psb_intel_output, - SDVO_CMD_SET_ACTIVE_HOT_PLUG, - &response, 2); - } else { - response[0] = 0; - response[1] = 0; - psb_intel_sdvo_write_cmd(psb_intel_output, - SDVO_CMD_SET_ACTIVE_HOT_PLUG, - &response, 2); - } - - psb_intel_sdvo_write_cmd(psb_intel_output, - SDVO_CMD_GET_ACTIVE_HOT_PLUG, - NULL, - 0); - psb_intel_sdvo_read_response(psb_intel_output, &response, 2); -} - -static enum drm_connector_status psb_intel_sdvo_detect(struct drm_connector - *connector, bool force) -{ - u8 response[2]; - u8 status; - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - - psb_intel_sdvo_write_cmd(psb_intel_output, - SDVO_CMD_GET_ATTACHED_DISPLAYS, - NULL, - 0); - status = psb_intel_sdvo_read_response(psb_intel_output, &response, 2); - - DRM_DEBUG("SDVO response %d %d\n", response[0], response[1]); - if ((response[0] != 0) || (response[1] != 0)) - return connector_status_connected; - else - return connector_status_disconnected; -} - -static int psb_intel_sdvo_get_modes(struct drm_connector *connector) -{ - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - - /* set the bus switch and get the modes */ - psb_intel_sdvo_set_control_bus_switch(psb_intel_output, - SDVO_CONTROL_BUS_DDC2); - psb_intel_ddc_get_modes(psb_intel_output); - - if (list_empty(&connector->probed_modes)) - return 0; - return 1; -} - -static void psb_intel_sdvo_destroy(struct drm_connector *connector) -{ - struct psb_intel_output *psb_intel_output = - to_psb_intel_output(connector); - - if (psb_intel_output->i2c_bus) - psb_intel_i2c_destroy(psb_intel_output->i2c_bus); - drm_sysfs_connector_remove(connector); - drm_connector_cleanup(connector); - kfree(psb_intel_output); -} - -static const struct drm_encoder_helper_funcs psb_intel_sdvo_helper_funcs = { - .dpms = psb_intel_sdvo_dpms, - .mode_fixup = psb_intel_sdvo_mode_fixup, - .prepare = psb_intel_encoder_prepare, - .mode_set = psb_intel_sdvo_mode_set, - .commit = psb_intel_encoder_commit, -}; - -static const struct drm_connector_funcs psb_intel_sdvo_connector_funcs = { - .dpms = drm_helper_connector_dpms, - .save = psb_intel_sdvo_save, - .restore = psb_intel_sdvo_restore, - .detect = psb_intel_sdvo_detect, - .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = psb_intel_sdvo_destroy, -}; - -static const struct drm_connector_helper_funcs - psb_intel_sdvo_connector_helper_funcs = { - .get_modes = psb_intel_sdvo_get_modes, - .mode_valid = psb_intel_sdvo_mode_valid, - .best_encoder = psb_intel_best_encoder, -}; - -void psb_intel_sdvo_enc_destroy(struct drm_encoder *encoder) -{ - drm_encoder_cleanup(encoder); -} - -static const struct drm_encoder_funcs psb_intel_sdvo_enc_funcs = { - .destroy = psb_intel_sdvo_enc_destroy, -}; - - -void psb_intel_sdvo_init(struct drm_device *dev, int output_device) -{ - struct drm_connector *connector; - struct psb_intel_output *psb_intel_output; - struct psb_intel_sdvo_priv *sdvo_priv; - struct psb_intel_i2c_chan *i2cbus = NULL; - int connector_type; - u8 ch[0x40]; - int i; - int encoder_type, output_id; - - psb_intel_output = - kcalloc(sizeof(struct psb_intel_output) + - sizeof(struct psb_intel_sdvo_priv), 1, GFP_KERNEL); - if (!psb_intel_output) - return; - - connector = &psb_intel_output->base; - - drm_connector_init(dev, connector, &psb_intel_sdvo_connector_funcs, - DRM_MODE_CONNECTOR_Unknown); - drm_connector_helper_add(connector, - &psb_intel_sdvo_connector_helper_funcs); - sdvo_priv = (struct psb_intel_sdvo_priv *) (psb_intel_output + 1); - psb_intel_output->type = INTEL_OUTPUT_SDVO; - - connector->interlace_allowed = 0; - connector->doublescan_allowed = 0; - - /* setup the DDC bus. */ - if (output_device == SDVOB) - i2cbus = - psb_intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB"); - else - i2cbus = - psb_intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC"); - - if (!i2cbus) - goto err_connector; - - sdvo_priv->i2c_bus = i2cbus; - - if (output_device == SDVOB) { - output_id = 1; - sdvo_priv->by_input_wiring = SDVOB_IN0; - sdvo_priv->i2c_bus->slave_addr = 0x38; - } else { - output_id = 2; - sdvo_priv->i2c_bus->slave_addr = 0x39; - } - - sdvo_priv->output_device = output_device; - psb_intel_output->i2c_bus = i2cbus; - psb_intel_output->dev_priv = sdvo_priv; - - - /* Read the regs to test if we can talk to the device */ - for (i = 0; i < 0x40; i++) { - if (!psb_intel_sdvo_read_byte(psb_intel_output, i, &ch[i])) { - dev_dbg(dev->dev, "No SDVO device found on SDVO%c\n", - output_device == SDVOB ? 'B' : 'C'); - goto err_i2c; - } - } - - psb_intel_sdvo_get_capabilities(psb_intel_output, &sdvo_priv->caps); - - memset(&sdvo_priv->active_outputs, 0, - sizeof(sdvo_priv->active_outputs)); - - /* TODO, CVBS, SVID, YPRPB & SCART outputs. */ - if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB0) { - sdvo_priv->active_outputs = SDVO_OUTPUT_RGB0; - sdvo_priv->active_device = SDVO_DEVICE_CRT; - connector->display_info.subpixel_order = - SubPixelHorizontalRGB; - encoder_type = DRM_MODE_ENCODER_DAC; - connector_type = DRM_MODE_CONNECTOR_VGA; - } else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB1) { - sdvo_priv->active_outputs = SDVO_OUTPUT_RGB1; - sdvo_priv->active_outputs = SDVO_DEVICE_CRT; - connector->display_info.subpixel_order = - SubPixelHorizontalRGB; - encoder_type = DRM_MODE_ENCODER_DAC; - connector_type = DRM_MODE_CONNECTOR_VGA; - } else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0) { - sdvo_priv->active_outputs = SDVO_OUTPUT_TMDS0; - sdvo_priv->active_device = SDVO_DEVICE_TMDS; - connector->display_info.subpixel_order = - SubPixelHorizontalRGB; - encoder_type = DRM_MODE_ENCODER_TMDS; - connector_type = DRM_MODE_CONNECTOR_DVID; - } else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS1) { - sdvo_priv->active_outputs = SDVO_OUTPUT_TMDS1; - sdvo_priv->active_device = SDVO_DEVICE_TMDS; - connector->display_info.subpixel_order = - SubPixelHorizontalRGB; - encoder_type = DRM_MODE_ENCODER_TMDS; - connector_type = DRM_MODE_CONNECTOR_DVID; - } else { - unsigned char bytes[2]; - - memcpy(bytes, &sdvo_priv->caps.output_flags, 2); - dev_dbg(dev->dev, "%s: No active RGB or TMDS outputs (0x%02x%02x)\n", - SDVO_NAME(sdvo_priv), bytes[0], bytes[1]); - goto err_i2c; - } - - drm_encoder_init(dev, &psb_intel_output->enc, &psb_intel_sdvo_enc_funcs, - encoder_type); - drm_encoder_helper_add(&psb_intel_output->enc, - &psb_intel_sdvo_helper_funcs); - connector->connector_type = connector_type; - - drm_mode_connector_attach_encoder(&psb_intel_output->base, - &psb_intel_output->enc); - drm_sysfs_connector_add(connector); - - /* Set the input timing to the screen. Assume always input 0. */ - psb_intel_sdvo_set_target_input(psb_intel_output, true, false); - - psb_intel_sdvo_get_input_pixel_clock_range(psb_intel_output, - &sdvo_priv->pixel_clock_min, - &sdvo_priv-> - pixel_clock_max); - - - dev_dbg(dev->dev, "%s device VID/DID: %02X:%02X.%02X, " - "clock range %dMHz - %dMHz, " - "input 1: %c, input 2: %c, " - "output 1: %c, output 2: %c\n", - SDVO_NAME(sdvo_priv), - sdvo_priv->caps.vendor_id, sdvo_priv->caps.device_id, - sdvo_priv->caps.device_rev_id, - sdvo_priv->pixel_clock_min / 1000, - sdvo_priv->pixel_clock_max / 1000, - (sdvo_priv->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N', - (sdvo_priv->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N', - /* check currently supported outputs */ - sdvo_priv->caps.output_flags & - (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N', - sdvo_priv->caps.output_flags & - (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N'); - - psb_intel_output->ddc_bus = i2cbus; - - return; - -err_i2c: - psb_intel_i2c_destroy(psb_intel_output->i2c_bus); -err_connector: - drm_connector_cleanup(connector); - kfree(psb_intel_output); - - return; -} diff --git a/drivers/staging/gma500/psb_intel_sdvo_regs.h b/drivers/staging/gma500/psb_intel_sdvo_regs.h deleted file mode 100644 index 96862ea65aba7e..00000000000000 --- a/drivers/staging/gma500/psb_intel_sdvo_regs.h +++ /dev/null @@ -1,338 +0,0 @@ -/* - * SDVO command definitions and structures. - * - * Copyright (c) 2008, Intel Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: - * Eric Anholt <eric@anholt.net> - */ - -#define SDVO_OUTPUT_FIRST (0) -#define SDVO_OUTPUT_TMDS0 (1 << 0) -#define SDVO_OUTPUT_RGB0 (1 << 1) -#define SDVO_OUTPUT_CVBS0 (1 << 2) -#define SDVO_OUTPUT_SVID0 (1 << 3) -#define SDVO_OUTPUT_YPRPB0 (1 << 4) -#define SDVO_OUTPUT_SCART0 (1 << 5) -#define SDVO_OUTPUT_LVDS0 (1 << 6) -#define SDVO_OUTPUT_TMDS1 (1 << 8) -#define SDVO_OUTPUT_RGB1 (1 << 9) -#define SDVO_OUTPUT_CVBS1 (1 << 10) -#define SDVO_OUTPUT_SVID1 (1 << 11) -#define SDVO_OUTPUT_YPRPB1 (1 << 12) -#define SDVO_OUTPUT_SCART1 (1 << 13) -#define SDVO_OUTPUT_LVDS1 (1 << 14) -#define SDVO_OUTPUT_LAST (14) - -struct psb_intel_sdvo_caps { - u8 vendor_id; - u8 device_id; - u8 device_rev_id; - u8 sdvo_version_major; - u8 sdvo_version_minor; - unsigned int sdvo_inputs_mask:2; - unsigned int smooth_scaling:1; - unsigned int sharp_scaling:1; - unsigned int up_scaling:1; - unsigned int down_scaling:1; - unsigned int stall_support:1; - unsigned int pad:1; - u16 output_flags; -} __packed; - -/** This matches the EDID DTD structure, more or less */ -struct psb_intel_sdvo_dtd { - struct { - u16 clock; /**< pixel clock, in 10kHz units */ - u8 h_active; /**< lower 8 bits (pixels) */ - u8 h_blank; /**< lower 8 bits (pixels) */ - u8 h_high; /**< upper 4 bits each h_active, h_blank */ - u8 v_active; /**< lower 8 bits (lines) */ - u8 v_blank; /**< lower 8 bits (lines) */ - u8 v_high; /**< upper 4 bits each v_active, v_blank */ - } part1; - - struct { - u8 h_sync_off; - /**< lower 8 bits, from hblank start */ - u8 h_sync_width;/**< lower 8 bits (pixels) */ - /** lower 4 bits each vsync offset, vsync width */ - u8 v_sync_off_width; - /** - * 2 high bits of hsync offset, 2 high bits of hsync width, - * bits 4-5 of vsync offset, and 2 high bits of vsync width. - */ - u8 sync_off_width_high; - u8 dtd_flags; - u8 sdvo_flags; - /** bits 6-7 of vsync offset at bits 6-7 */ - u8 v_sync_off_high; - u8 reserved; - } part2; -} __packed; - -struct psb_intel_sdvo_pixel_clock_range { - u16 min; /**< pixel clock, in 10kHz units */ - u16 max; /**< pixel clock, in 10kHz units */ -} __packed; - -struct psb_intel_sdvo_preferred_input_timing_args { - u16 clock; - u16 width; - u16 height; -} __packed; - -/* I2C registers for SDVO */ -#define SDVO_I2C_ARG_0 0x07 -#define SDVO_I2C_ARG_1 0x06 -#define SDVO_I2C_ARG_2 0x05 -#define SDVO_I2C_ARG_3 0x04 -#define SDVO_I2C_ARG_4 0x03 -#define SDVO_I2C_ARG_5 0x02 -#define SDVO_I2C_ARG_6 0x01 -#define SDVO_I2C_ARG_7 0x00 -#define SDVO_I2C_OPCODE 0x08 -#define SDVO_I2C_CMD_STATUS 0x09 -#define SDVO_I2C_RETURN_0 0x0a -#define SDVO_I2C_RETURN_1 0x0b -#define SDVO_I2C_RETURN_2 0x0c -#define SDVO_I2C_RETURN_3 0x0d -#define SDVO_I2C_RETURN_4 0x0e -#define SDVO_I2C_RETURN_5 0x0f -#define SDVO_I2C_RETURN_6 0x10 -#define SDVO_I2C_RETURN_7 0x11 -#define SDVO_I2C_VENDOR_BEGIN 0x20 - -/* Status results */ -#define SDVO_CMD_STATUS_POWER_ON 0x0 -#define SDVO_CMD_STATUS_SUCCESS 0x1 -#define SDVO_CMD_STATUS_NOTSUPP 0x2 -#define SDVO_CMD_STATUS_INVALID_ARG 0x3 -#define SDVO_CMD_STATUS_PENDING 0x4 -#define SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED 0x5 -#define SDVO_CMD_STATUS_SCALING_NOT_SUPP 0x6 - -/* SDVO commands, argument/result registers */ - -#define SDVO_CMD_RESET 0x01 - -/** Returns a struct psb_intel_sdvo_caps */ -#define SDVO_CMD_GET_DEVICE_CAPS 0x02 - -#define SDVO_CMD_GET_FIRMWARE_REV 0x86 -# define SDVO_DEVICE_FIRMWARE_MINOR SDVO_I2C_RETURN_0 -# define SDVO_DEVICE_FIRMWARE_MAJOR SDVO_I2C_RETURN_1 -# define SDVO_DEVICE_FIRMWARE_PATCH SDVO_I2C_RETURN_2 - -/** - * Reports which inputs are trained (managed to sync). - * - * Devices must have trained within 2 vsyncs of a mode change. - */ -#define SDVO_CMD_GET_TRAINED_INPUTS 0x03 -struct psb_intel_sdvo_get_trained_inputs_response { - unsigned int input0_trained:1; - unsigned int input1_trained:1; - unsigned int pad:6; -} __packed; - -/** Returns a struct psb_intel_sdvo_output_flags of active outputs. */ -#define SDVO_CMD_GET_ACTIVE_OUTPUTS 0x04 - -/** - * Sets the current set of active outputs. - * - * Takes a struct psb_intel_sdvo_output_flags. - * Must be preceded by a SET_IN_OUT_MAP - * on multi-output devices. - */ -#define SDVO_CMD_SET_ACTIVE_OUTPUTS 0x05 - -/** - * Returns the current mapping of SDVO inputs to outputs on the device. - * - * Returns two struct psb_intel_sdvo_output_flags structures. - */ -#define SDVO_CMD_GET_IN_OUT_MAP 0x06 - -/** - * Sets the current mapping of SDVO inputs to outputs on the device. - * - * Takes two struct i380_sdvo_output_flags structures. - */ -#define SDVO_CMD_SET_IN_OUT_MAP 0x07 - -/** - * Returns a struct psb_intel_sdvo_output_flags of attached displays. - */ -#define SDVO_CMD_GET_ATTACHED_DISPLAYS 0x0b - -/** - * Returns a struct psb_intel_sdvo_ouptut_flags of displays supporting hot plugging. - */ -#define SDVO_CMD_GET_HOT_PLUG_SUPPORT 0x0c - -/** - * Takes a struct psb_intel_sdvo_output_flags. - */ -#define SDVO_CMD_SET_ACTIVE_HOT_PLUG 0x0d - -/** - * Returns a struct psb_intel_sdvo_output_flags of displays with hot plug - * interrupts enabled. - */ -#define SDVO_CMD_GET_ACTIVE_HOT_PLUG 0x0e - -#define SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE 0x0f -struct psb_intel_sdvo_get_interrupt_event_source_response { - u16 interrupt_status; - unsigned int ambient_light_interrupt:1; - unsigned int pad:7; -} __packed; - -/** - * Selects which input is affected by future input commands. - * - * Commands affected include SET_INPUT_TIMINGS_PART[12], - * GET_INPUT_TIMINGS_PART[12], GET_PREFERRED_INPUT_TIMINGS_PART[12], - * GET_INPUT_PIXEL_CLOCK_RANGE, and CREATE_PREFERRED_INPUT_TIMINGS. - */ -#define SDVO_CMD_SET_TARGET_INPUT 0x10 -struct psb_intel_sdvo_set_target_input_args { - unsigned int target_1:1; - unsigned int pad:7; -} __packed; - -/** - * Takes a struct psb_intel_sdvo_output_flags of which outputs are targeted by - * future output commands. - * - * Affected commands inclue SET_OUTPUT_TIMINGS_PART[12], - * GET_OUTPUT_TIMINGS_PART[12], and GET_OUTPUT_PIXEL_CLOCK_RANGE. - */ -#define SDVO_CMD_SET_TARGET_OUTPUT 0x11 - -#define SDVO_CMD_GET_INPUT_TIMINGS_PART1 0x12 -#define SDVO_CMD_GET_INPUT_TIMINGS_PART2 0x13 -#define SDVO_CMD_SET_INPUT_TIMINGS_PART1 0x14 -#define SDVO_CMD_SET_INPUT_TIMINGS_PART2 0x15 -#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART1 0x16 -#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART2 0x17 -#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART1 0x18 -#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART2 0x19 -/* Part 1 */ -# define SDVO_DTD_CLOCK_LOW SDVO_I2C_ARG_0 -# define SDVO_DTD_CLOCK_HIGH SDVO_I2C_ARG_1 -# define SDVO_DTD_H_ACTIVE SDVO_I2C_ARG_2 -# define SDVO_DTD_H_BLANK SDVO_I2C_ARG_3 -# define SDVO_DTD_H_HIGH SDVO_I2C_ARG_4 -# define SDVO_DTD_V_ACTIVE SDVO_I2C_ARG_5 -# define SDVO_DTD_V_BLANK SDVO_I2C_ARG_6 -# define SDVO_DTD_V_HIGH SDVO_I2C_ARG_7 -/* Part 2 */ -# define SDVO_DTD_HSYNC_OFF SDVO_I2C_ARG_0 -# define SDVO_DTD_HSYNC_WIDTH SDVO_I2C_ARG_1 -# define SDVO_DTD_VSYNC_OFF_WIDTH SDVO_I2C_ARG_2 -# define SDVO_DTD_SYNC_OFF_WIDTH_HIGH SDVO_I2C_ARG_3 -# define SDVO_DTD_DTD_FLAGS SDVO_I2C_ARG_4 -# define SDVO_DTD_DTD_FLAG_INTERLACED (1 << 7) -# define SDVO_DTD_DTD_FLAG_STEREO_MASK (3 << 5) -# define SDVO_DTD_DTD_FLAG_INPUT_MASK (3 << 3) -# define SDVO_DTD_DTD_FLAG_SYNC_MASK (3 << 1) -# define SDVO_DTD_SDVO_FLAS SDVO_I2C_ARG_5 -# define SDVO_DTD_SDVO_FLAG_STALL (1 << 7) -# define SDVO_DTD_SDVO_FLAG_CENTERED (0 << 6) -# define SDVO_DTD_SDVO_FLAG_UPPER_LEFT (1 << 6) -# define SDVO_DTD_SDVO_FLAG_SCALING_MASK (3 << 4) -# define SDVO_DTD_SDVO_FLAG_SCALING_NONE (0 << 4) -# define SDVO_DTD_SDVO_FLAG_SCALING_SHARP (1 << 4) -# define SDVO_DTD_SDVO_FLAG_SCALING_SMOOTH (2 << 4) -# define SDVO_DTD_VSYNC_OFF_HIGH SDVO_I2C_ARG_6 - -/** - * Generates a DTD based on the given width, height, and flags. - * - * This will be supported by any device supporting scaling or interlaced - * modes. - */ -#define SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING 0x1a -# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_LOW SDVO_I2C_ARG_0 -# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_HIGH SDVO_I2C_ARG_1 -# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_LOW SDVO_I2C_ARG_2 -# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_HIGH SDVO_I2C_ARG_3 -# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_LOW SDVO_I2C_ARG_4 -# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_HIGH SDVO_I2C_ARG_5 -# define SDVO_PREFERRED_INPUT_TIMING_FLAGS SDVO_I2C_ARG_6 -# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_INTERLACED (1 << 0) -# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_SCALED (1 << 1) - -#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1 0x1b -#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2 0x1c - -/** Returns a struct psb_intel_sdvo_pixel_clock_range */ -#define SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE 0x1d -/** Returns a struct psb_intel_sdvo_pixel_clock_range */ -#define SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE 0x1e - -/** Returns a byte bitfield containing SDVO_CLOCK_RATE_MULT_* flags */ -#define SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS 0x1f - -/** Returns a byte containing a SDVO_CLOCK_RATE_MULT_* flag */ -#define SDVO_CMD_GET_CLOCK_RATE_MULT 0x20 -/** Takes a byte containing a SDVO_CLOCK_RATE_MULT_* flag */ -#define SDVO_CMD_SET_CLOCK_RATE_MULT 0x21 -# define SDVO_CLOCK_RATE_MULT_1X (1 << 0) -# define SDVO_CLOCK_RATE_MULT_2X (1 << 1) -# define SDVO_CLOCK_RATE_MULT_4X (1 << 3) - -#define SDVO_CMD_GET_SUPPORTED_TV_FORMATS 0x27 - -#define SDVO_CMD_GET_TV_FORMAT 0x28 - -#define SDVO_CMD_SET_TV_FORMAT 0x29 - -#define SDVO_CMD_GET_SUPPORTED_POWER_STATES 0x2a -#define SDVO_CMD_GET_ENCODER_POWER_STATE 0x2b -#define SDVO_CMD_SET_ENCODER_POWER_STATE 0x2c -# define SDVO_ENCODER_STATE_ON (1 << 0) -# define SDVO_ENCODER_STATE_STANDBY (1 << 1) -# define SDVO_ENCODER_STATE_SUSPEND (1 << 2) -# define SDVO_ENCODER_STATE_OFF (1 << 3) - -#define SDVO_CMD_SET_TV_RESOLUTION_SUPPORT 0x93 - -#define SDVO_CMD_SET_CONTROL_BUS_SWITCH 0x7a -# define SDVO_CONTROL_BUS_PROM 0x0 -# define SDVO_CONTROL_BUS_DDC1 0x1 -# define SDVO_CONTROL_BUS_DDC2 0x2 -# define SDVO_CONTROL_BUS_DDC3 0x3 - -/* SDVO Bus & SDVO Inputs wiring details*/ -/* Bit 0: Is SDVOB connected to In0 (1 = yes, 0 = no*/ -/* Bit 1: Is SDVOB connected to In1 (1 = yes, 0 = no*/ -/* Bit 2: Is SDVOC connected to In0 (1 = yes, 0 = no*/ -/* Bit 3: Is SDVOC connected to In1 (1 = yes, 0 = no*/ -#define SDVOB_IN0 0x01 -#define SDVOB_IN1 0x02 -#define SDVOC_IN0 0x04 -#define SDVOC_IN1 0x08 - -#define SDVO_DEVICE_NONE 0x00 -#define SDVO_DEVICE_CRT 0x01 -#define SDVO_DEVICE_TV 0x02 -#define SDVO_DEVICE_LVDS 0x04 -#define SDVO_DEVICE_TMDS 0x08 - diff --git a/drivers/staging/gma500/psb_irq.c b/drivers/staging/gma500/psb_irq.c deleted file mode 100644 index 36dd63044b0608..00000000000000 --- a/drivers/staging/gma500/psb_irq.c +++ /dev/null @@ -1,627 +0,0 @@ -/************************************************************************** - * Copyright (c) 2007, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to - * develop this driver. - * - **************************************************************************/ -/* - */ - -#include <drm/drmP.h> -#include "psb_drv.h" -#include "psb_reg.h" -#include "psb_intel_reg.h" -#include "power.h" -#include "mdfld_output.h" - -/* - * inline functions - */ - -static inline u32 -psb_pipestat(int pipe) -{ - if (pipe == 0) - return PIPEASTAT; - if (pipe == 1) - return PIPEBSTAT; - if (pipe == 2) - return PIPECSTAT; - BUG(); -} - -static inline u32 -mid_pipe_event(int pipe) -{ - if (pipe == 0) - return _PSB_PIPEA_EVENT_FLAG; - if (pipe == 1) - return _MDFLD_PIPEB_EVENT_FLAG; - if (pipe == 2) - return _MDFLD_PIPEC_EVENT_FLAG; - BUG(); -} - -static inline u32 -mid_pipe_vsync(int pipe) -{ - if (pipe == 0) - return _PSB_VSYNC_PIPEA_FLAG; - if (pipe == 1) - return _PSB_VSYNC_PIPEB_FLAG; - if (pipe == 2) - return _MDFLD_PIPEC_VBLANK_FLAG; - BUG(); -} - -static inline u32 -mid_pipeconf(int pipe) -{ - if (pipe == 0) - return PIPEACONF; - if (pipe == 1) - return PIPEBCONF; - if (pipe == 2) - return PIPECCONF; - BUG(); -} - -void -psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask) -{ - if ((dev_priv->pipestat[pipe] & mask) != mask) { - u32 reg = psb_pipestat(pipe); - dev_priv->pipestat[pipe] |= mask; - /* Enable the interrupt, clear any pending status */ - if (gma_power_begin(dev_priv->dev, false)) { - u32 writeVal = PSB_RVDC32(reg); - writeVal |= (mask | (mask >> 16)); - PSB_WVDC32(writeVal, reg); - (void) PSB_RVDC32(reg); - gma_power_end(dev_priv->dev); - } - } -} - -void -psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask) -{ - if ((dev_priv->pipestat[pipe] & mask) != 0) { - u32 reg = psb_pipestat(pipe); - dev_priv->pipestat[pipe] &= ~mask; - if (gma_power_begin(dev_priv->dev, false)) { - u32 writeVal = PSB_RVDC32(reg); - writeVal &= ~mask; - PSB_WVDC32(writeVal, reg); - (void) PSB_RVDC32(reg); - gma_power_end(dev_priv->dev); - } - } -} - -void mid_enable_pipe_event(struct drm_psb_private *dev_priv, int pipe) -{ - if (gma_power_begin(dev_priv->dev, false)) { - u32 pipe_event = mid_pipe_event(pipe); - dev_priv->vdc_irq_mask |= pipe_event; - PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R); - PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R); - gma_power_end(dev_priv->dev); - } -} - -void mid_disable_pipe_event(struct drm_psb_private *dev_priv, int pipe) -{ - if (dev_priv->pipestat[pipe] == 0) { - if (gma_power_begin(dev_priv->dev, false)) { - u32 pipe_event = mid_pipe_event(pipe); - dev_priv->vdc_irq_mask &= ~pipe_event; - PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R); - PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R); - gma_power_end(dev_priv->dev); - } - } -} - -/** - * Display controller interrupt handler for pipe event. - * - */ -static void mid_pipe_event_handler(struct drm_device *dev, int pipe) -{ - struct drm_psb_private *dev_priv = - (struct drm_psb_private *) dev->dev_private; - - uint32_t pipe_stat_val = 0; - uint32_t pipe_stat_reg = psb_pipestat(pipe); - uint32_t pipe_enable = dev_priv->pipestat[pipe]; - uint32_t pipe_status = dev_priv->pipestat[pipe] >> 16; - uint32_t pipe_clear; - uint32_t i = 0; - - spin_lock(&dev_priv->irqmask_lock); - - pipe_stat_val = PSB_RVDC32(pipe_stat_reg); - pipe_stat_val &= pipe_enable | pipe_status; - pipe_stat_val &= pipe_stat_val >> 16; - - spin_unlock(&dev_priv->irqmask_lock); - - /* Clear the 2nd level interrupt status bits - * Sometimes the bits are very sticky so we repeat until they unstick */ - for (i = 0; i < 0xffff; i++) { - PSB_WVDC32(PSB_RVDC32(pipe_stat_reg), pipe_stat_reg); - pipe_clear = PSB_RVDC32(pipe_stat_reg) & pipe_status; - - if (pipe_clear == 0) - break; - } - - if (pipe_clear) - dev_err(dev->dev, - "%s, can't clear status bits for pipe %d, its value = 0x%x.\n", - __func__, pipe, PSB_RVDC32(pipe_stat_reg)); - - if (pipe_stat_val & PIPE_VBLANK_STATUS) - drm_handle_vblank(dev, pipe); - - if (pipe_stat_val & PIPE_TE_STATUS) - drm_handle_vblank(dev, pipe); -} - -/* - * Display controller interrupt handler. - */ -static void psb_vdc_interrupt(struct drm_device *dev, uint32_t vdc_stat) -{ - if (vdc_stat & _PSB_VSYNC_PIPEA_FLAG) - mid_pipe_event_handler(dev, 0); - - if (vdc_stat & _PSB_VSYNC_PIPEB_FLAG) - mid_pipe_event_handler(dev, 1); -} - -irqreturn_t psb_irq_handler(DRM_IRQ_ARGS) -{ - struct drm_device *dev = (struct drm_device *) arg; - struct drm_psb_private *dev_priv = - (struct drm_psb_private *) dev->dev_private; - - uint32_t vdc_stat, dsp_int = 0, sgx_int = 0; - int handled = 0; - - spin_lock(&dev_priv->irqmask_lock); - - vdc_stat = PSB_RVDC32(PSB_INT_IDENTITY_R); - - if (vdc_stat & _PSB_PIPE_EVENT_FLAG) - dsp_int = 1; - - /* FIXME: Handle Medfield - if (vdc_stat & _MDFLD_DISP_ALL_IRQ_FLAG) - dsp_int = 1; - */ - - if (vdc_stat & _PSB_IRQ_SGX_FLAG) - sgx_int = 1; - - vdc_stat &= dev_priv->vdc_irq_mask; - spin_unlock(&dev_priv->irqmask_lock); - - if (dsp_int && gma_power_is_on(dev)) { - psb_vdc_interrupt(dev, vdc_stat); - handled = 1; - } - - if (sgx_int) { - /* Not expected - we have it masked, shut it up */ - u32 s, s2; - s = PSB_RSGX32(PSB_CR_EVENT_STATUS); - s2 = PSB_RSGX32(PSB_CR_EVENT_STATUS2); - PSB_WSGX32(s, PSB_CR_EVENT_HOST_CLEAR); - PSB_WSGX32(s2, PSB_CR_EVENT_HOST_CLEAR2); - /* if s & _PSB_CE_TWOD_COMPLETE we have 2D done but - we may as well poll even if we add that ! */ - handled = 1; - } - - PSB_WVDC32(vdc_stat, PSB_INT_IDENTITY_R); - (void) PSB_RVDC32(PSB_INT_IDENTITY_R); - DRM_READMEMORYBARRIER(); - - if (!handled) - return IRQ_NONE; - - return IRQ_HANDLED; -} - -void psb_irq_preinstall(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = - (struct drm_psb_private *) dev->dev_private; - unsigned long irqflags; - - spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); - - if (gma_power_is_on(dev)) - PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); - if (dev->vblank_enabled[0]) - dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEA_FLAG; - if (dev->vblank_enabled[1]) - dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEB_FLAG; - - /* FIXME: Handle Medfield irq mask - if (dev->vblank_enabled[1]) - dev_priv->vdc_irq_mask |= _MDFLD_PIPEB_EVENT_FLAG; - if (dev->vblank_enabled[2]) - dev_priv->vdc_irq_mask |= _MDFLD_PIPEC_EVENT_FLAG; - */ - - /* This register is safe even if display island is off */ - PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R); - spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); -} - -int psb_irq_postinstall(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = - (struct drm_psb_private *) dev->dev_private; - unsigned long irqflags; - - spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); - - /* This register is safe even if display island is off */ - PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R); - PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); - - if (dev->vblank_enabled[0]) - psb_enable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE); - else - psb_disable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE); - - if (dev->vblank_enabled[1]) - psb_enable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE); - else - psb_disable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE); - - if (dev->vblank_enabled[2]) - psb_enable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE); - else - psb_disable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE); - - spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); - return 0; -} - -void psb_irq_uninstall(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = - (struct drm_psb_private *) dev->dev_private; - unsigned long irqflags; - - spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); - - PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); - - if (dev->vblank_enabled[0]) - psb_disable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE); - - if (dev->vblank_enabled[1]) - psb_disable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE); - - if (dev->vblank_enabled[2]) - psb_disable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE); - - dev_priv->vdc_irq_mask &= _PSB_IRQ_SGX_FLAG | - _PSB_IRQ_MSVDX_FLAG | - _LNC_IRQ_TOPAZ_FLAG; - - /* These two registers are safe even if display island is off */ - PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R); - PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R); - - wmb(); - - /* This register is safe even if display island is off */ - PSB_WVDC32(PSB_RVDC32(PSB_INT_IDENTITY_R), PSB_INT_IDENTITY_R); - spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); -} - -void psb_irq_turn_on_dpst(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = - (struct drm_psb_private *) dev->dev_private; - u32 hist_reg; - u32 pwm_reg; - - if (gma_power_begin(dev, false)) { - PSB_WVDC32(1 << 31, HISTOGRAM_LOGIC_CONTROL); - hist_reg = PSB_RVDC32(HISTOGRAM_LOGIC_CONTROL); - PSB_WVDC32(1 << 31, HISTOGRAM_INT_CONTROL); - hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL); - - PSB_WVDC32(0x80010100, PWM_CONTROL_LOGIC); - pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC); - PSB_WVDC32(pwm_reg | PWM_PHASEIN_ENABLE - | PWM_PHASEIN_INT_ENABLE, - PWM_CONTROL_LOGIC); - pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC); - - psb_enable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE); - - hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL); - PSB_WVDC32(hist_reg | HISTOGRAM_INT_CTRL_CLEAR, - HISTOGRAM_INT_CONTROL); - pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC); - PSB_WVDC32(pwm_reg | 0x80010100 | PWM_PHASEIN_ENABLE, - PWM_CONTROL_LOGIC); - - gma_power_end(dev); - } -} - -int psb_irq_enable_dpst(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = - (struct drm_psb_private *) dev->dev_private; - unsigned long irqflags; - - spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); - - /* enable DPST */ - mid_enable_pipe_event(dev_priv, 0); - psb_irq_turn_on_dpst(dev); - - spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); - return 0; -} - -void psb_irq_turn_off_dpst(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = - (struct drm_psb_private *) dev->dev_private; - u32 hist_reg; - u32 pwm_reg; - - if (gma_power_begin(dev, false)) { - PSB_WVDC32(0x00000000, HISTOGRAM_INT_CONTROL); - hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL); - - psb_disable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE); - - pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC); - PSB_WVDC32(pwm_reg & !(PWM_PHASEIN_INT_ENABLE), - PWM_CONTROL_LOGIC); - pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC); - - gma_power_end(dev); - } -} - -int psb_irq_disable_dpst(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = - (struct drm_psb_private *) dev->dev_private; - unsigned long irqflags; - - spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); - - mid_disable_pipe_event(dev_priv, 0); - psb_irq_turn_off_dpst(dev); - - spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); - - return 0; -} - -#ifdef PSB_FIXME -static int psb_vblank_do_wait(struct drm_device *dev, - unsigned int *sequence, atomic_t *counter) -{ - unsigned int cur_vblank; - int ret = 0; - DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ, - (((cur_vblank = atomic_read(counter)) - - *sequence) <= (1 << 23))); - *sequence = cur_vblank; - - return ret; -} -#endif - -/* - * It is used to enable VBLANK interrupt - */ -int psb_enable_vblank(struct drm_device *dev, int pipe) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - unsigned long irqflags; - uint32_t reg_val = 0; - uint32_t pipeconf_reg = mid_pipeconf(pipe); - -#if defined(CONFIG_DRM_PSB_MFLD) - /* Medfield is different - we should perhaps extract out vblank - and blacklight etc ops */ - if (IS_MFLD(dev) && !mdfld_panel_dpi(dev)) - return mdfld_enable_te(dev, pipe); -#endif - if (gma_power_begin(dev, false)) { - reg_val = REG_READ(pipeconf_reg); - gma_power_end(dev); - } - - if (!(reg_val & PIPEACONF_ENABLE)) - return -EINVAL; - - spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); - - if (pipe == 0) - dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEA_FLAG; - else if (pipe == 1) - dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEB_FLAG; - - PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R); - PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R); - psb_enable_pipestat(dev_priv, pipe, PIPE_VBLANK_INTERRUPT_ENABLE); - - spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); - - return 0; -} - -/* - * It is used to disable VBLANK interrupt - */ -void psb_disable_vblank(struct drm_device *dev, int pipe) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - unsigned long irqflags; - -#if defined(CONFIG_DRM_PSB_MFLD) - if (IS_MFLD(dev) && !mdfld_panel_dpi(dev)) - mdfld_disable_te(dev, pipe); -#endif - spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); - - if (pipe == 0) - dev_priv->vdc_irq_mask &= ~_PSB_VSYNC_PIPEA_FLAG; - else if (pipe == 1) - dev_priv->vdc_irq_mask &= ~_PSB_VSYNC_PIPEB_FLAG; - - PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R); - PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R); - psb_disable_pipestat(dev_priv, pipe, PIPE_VBLANK_INTERRUPT_ENABLE); - - spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); -} - -/** - * mdfld_enable_te - enable TE events - * @dev: our DRM device - * @pipe: which pipe to work on - * - * Enable TE events on a Medfield display pipe. Medfield specific. - */ -int mdfld_enable_te(struct drm_device *dev, int pipe) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - unsigned long flags; - uint32_t reg_val = 0; - uint32_t pipeconf_reg = mid_pipeconf(pipe); - - if (gma_power_begin(dev, false)) { - reg_val = REG_READ(pipeconf_reg); - gma_power_end(dev); - } - - if (!(reg_val & PIPEACONF_ENABLE)) - return -EINVAL; - - spin_lock_irqsave(&dev_priv->irqmask_lock, flags); - - mid_enable_pipe_event(dev_priv, pipe); - psb_enable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE); - - spin_unlock_irqrestore(&dev_priv->irqmask_lock, flags); - - return 0; -} - -/** - * mdfld_disable_te - disable TE events - * @dev: our DRM device - * @pipe: which pipe to work on - * - * Disable TE events on a Medfield display pipe. Medfield specific. - */ -void mdfld_disable_te(struct drm_device *dev, int pipe) -{ - struct drm_psb_private *dev_priv = dev->dev_private; - unsigned long flags; - - spin_lock_irqsave(&dev_priv->irqmask_lock, flags); - - mid_disable_pipe_event(dev_priv, pipe); - psb_disable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE); - - spin_unlock_irqrestore(&dev_priv->irqmask_lock, flags); -} - -/* Called from drm generic code, passed a 'crtc', which - * we use as a pipe index - */ -u32 psb_get_vblank_counter(struct drm_device *dev, int pipe) -{ - uint32_t high_frame = PIPEAFRAMEHIGH; - uint32_t low_frame = PIPEAFRAMEPIXEL; - uint32_t pipeconf_reg = PIPEACONF; - uint32_t reg_val = 0; - uint32_t high1 = 0, high2 = 0, low = 0, count = 0; - - switch (pipe) { - case 0: - break; - case 1: - high_frame = PIPEBFRAMEHIGH; - low_frame = PIPEBFRAMEPIXEL; - pipeconf_reg = PIPEBCONF; - break; - case 2: - high_frame = PIPECFRAMEHIGH; - low_frame = PIPECFRAMEPIXEL; - pipeconf_reg = PIPECCONF; - break; - default: - dev_err(dev->dev, "%s, invalid pipe.\n", __func__); - return 0; - } - - if (!gma_power_begin(dev, false)) - return 0; - - reg_val = REG_READ(pipeconf_reg); - - if (!(reg_val & PIPEACONF_ENABLE)) { - dev_err(dev->dev, "trying to get vblank count for disabled pipe %d\n", - pipe); - goto psb_get_vblank_counter_exit; - } - - /* - * High & low register fields aren't synchronized, so make sure - * we get a low value that's stable across two reads of the high - * register. - */ - do { - high1 = ((REG_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >> - PIPE_FRAME_HIGH_SHIFT); - low = ((REG_READ(low_frame) & PIPE_FRAME_LOW_MASK) >> - PIPE_FRAME_LOW_SHIFT); - high2 = ((REG_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >> - PIPE_FRAME_HIGH_SHIFT); - } while (high1 != high2); - - count = (high1 << 8) | low; - -psb_get_vblank_counter_exit: - - gma_power_end(dev); - - return count; -} - diff --git a/drivers/staging/gma500/psb_irq.h b/drivers/staging/gma500/psb_irq.h deleted file mode 100644 index 216fda38b57d26..00000000000000 --- a/drivers/staging/gma500/psb_irq.h +++ /dev/null @@ -1,45 +0,0 @@ -/************************************************************************** - * Copyright (c) 2009-2011, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: - * Benjamin Defnet <benjamin.r.defnet@intel.com> - * Rajesh Poornachandran <rajesh.poornachandran@intel.com> - * - **************************************************************************/ - -#ifndef _SYSIRQ_H_ -#define _SYSIRQ_H_ - -#include <drm/drmP.h> - -bool sysirq_init(struct drm_device *dev); -void sysirq_uninit(struct drm_device *dev); - -void psb_irq_preinstall(struct drm_device *dev); -int psb_irq_postinstall(struct drm_device *dev); -void psb_irq_uninstall(struct drm_device *dev); -irqreturn_t psb_irq_handler(DRM_IRQ_ARGS); - -int psb_irq_enable_dpst(struct drm_device *dev); -int psb_irq_disable_dpst(struct drm_device *dev); -void psb_irq_turn_on_dpst(struct drm_device *dev); -void psb_irq_turn_off_dpst(struct drm_device *dev); -int psb_enable_vblank(struct drm_device *dev, int pipe); -void psb_disable_vblank(struct drm_device *dev, int pipe); -u32 psb_get_vblank_counter(struct drm_device *dev, int pipe); - -#endif /* _SYSIRQ_H_ */ diff --git a/drivers/staging/gma500/psb_lid.c b/drivers/staging/gma500/psb_lid.c deleted file mode 100644 index b867aabe6bf3e4..00000000000000 --- a/drivers/staging/gma500/psb_lid.c +++ /dev/null @@ -1,88 +0,0 @@ -/************************************************************************** - * Copyright (c) 2007, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - * Authors: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> - **************************************************************************/ - -#include <drm/drmP.h> -#include "psb_drv.h" -#include "psb_reg.h" -#include "psb_intel_reg.h" -#include <linux/spinlock.h> - -static void psb_lid_timer_func(unsigned long data) -{ - struct drm_psb_private * dev_priv = (struct drm_psb_private *)data; - struct drm_device *dev = (struct drm_device *)dev_priv->dev; - struct timer_list *lid_timer = &dev_priv->lid_timer; - unsigned long irq_flags; - u32 *lid_state = dev_priv->lid_state; - u32 pp_status; - - if (readl(lid_state) == dev_priv->lid_last_state) - goto lid_timer_schedule; - - if ((readl(lid_state)) & 0x01) { - /*lid state is open*/ - REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) | POWER_TARGET_ON); - do { - pp_status = REG_READ(PP_STATUS); - } while ((pp_status & PP_ON) == 0); - - /*FIXME: should be backlight level before*/ - psb_intel_lvds_set_brightness(dev, 100); - } else { - psb_intel_lvds_set_brightness(dev, 0); - - REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) & ~POWER_TARGET_ON); - do { - pp_status = REG_READ(PP_STATUS); - } while ((pp_status & PP_ON) == 0); - } - dev_priv->lid_last_state = readl(lid_state); - -lid_timer_schedule: - spin_lock_irqsave(&dev_priv->lid_lock, irq_flags); - if (!timer_pending(lid_timer)) { - lid_timer->expires = jiffies + PSB_LID_DELAY; - add_timer(lid_timer); - } - spin_unlock_irqrestore(&dev_priv->lid_lock, irq_flags); -} - -void psb_lid_timer_init(struct drm_psb_private *dev_priv) -{ - struct timer_list *lid_timer = &dev_priv->lid_timer; - unsigned long irq_flags; - - spin_lock_init(&dev_priv->lid_lock); - spin_lock_irqsave(&dev_priv->lid_lock, irq_flags); - - init_timer(lid_timer); - - lid_timer->data = (unsigned long)dev_priv; - lid_timer->function = psb_lid_timer_func; - lid_timer->expires = jiffies + PSB_LID_DELAY; - - add_timer(lid_timer); - spin_unlock_irqrestore(&dev_priv->lid_lock, irq_flags); -} - -void psb_lid_timer_takedown(struct drm_psb_private *dev_priv) -{ - del_timer_sync(&dev_priv->lid_timer); -} - diff --git a/drivers/staging/gma500/psb_reg.h b/drivers/staging/gma500/psb_reg.h deleted file mode 100644 index b81c7c1e9c2d95..00000000000000 --- a/drivers/staging/gma500/psb_reg.h +++ /dev/null @@ -1,582 +0,0 @@ -/************************************************************************** - * - * Copyright (c) (2005-2007) Imagination Technologies Limited. - * Copyright (c) 2007, Intel Corporation. - * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.. - * - **************************************************************************/ - -#ifndef _PSB_REG_H_ -#define _PSB_REG_H_ - -#define PSB_CR_CLKGATECTL 0x0000 -#define _PSB_C_CLKGATECTL_AUTO_MAN_REG (1 << 24) -#define _PSB_C_CLKGATECTL_USE_CLKG_SHIFT (20) -#define _PSB_C_CLKGATECTL_USE_CLKG_MASK (0x3 << 20) -#define _PSB_C_CLKGATECTL_DPM_CLKG_SHIFT (16) -#define _PSB_C_CLKGATECTL_DPM_CLKG_MASK (0x3 << 16) -#define _PSB_C_CLKGATECTL_TA_CLKG_SHIFT (12) -#define _PSB_C_CLKGATECTL_TA_CLKG_MASK (0x3 << 12) -#define _PSB_C_CLKGATECTL_TSP_CLKG_SHIFT (8) -#define _PSB_C_CLKGATECTL_TSP_CLKG_MASK (0x3 << 8) -#define _PSB_C_CLKGATECTL_ISP_CLKG_SHIFT (4) -#define _PSB_C_CLKGATECTL_ISP_CLKG_MASK (0x3 << 4) -#define _PSB_C_CLKGATECTL_2D_CLKG_SHIFT (0) -#define _PSB_C_CLKGATECTL_2D_CLKG_MASK (0x3 << 0) -#define _PSB_C_CLKGATECTL_CLKG_ENABLED (0) -#define _PSB_C_CLKGATECTL_CLKG_DISABLED (1) -#define _PSB_C_CLKGATECTL_CLKG_AUTO (2) - -#define PSB_CR_CORE_ID 0x0010 -#define _PSB_CC_ID_ID_SHIFT (16) -#define _PSB_CC_ID_ID_MASK (0xFFFF << 16) -#define _PSB_CC_ID_CONFIG_SHIFT (0) -#define _PSB_CC_ID_CONFIG_MASK (0xFFFF << 0) - -#define PSB_CR_CORE_REVISION 0x0014 -#define _PSB_CC_REVISION_DESIGNER_SHIFT (24) -#define _PSB_CC_REVISION_DESIGNER_MASK (0xFF << 24) -#define _PSB_CC_REVISION_MAJOR_SHIFT (16) -#define _PSB_CC_REVISION_MAJOR_MASK (0xFF << 16) -#define _PSB_CC_REVISION_MINOR_SHIFT (8) -#define _PSB_CC_REVISION_MINOR_MASK (0xFF << 8) -#define _PSB_CC_REVISION_MAINTENANCE_SHIFT (0) -#define _PSB_CC_REVISION_MAINTENANCE_MASK (0xFF << 0) - -#define PSB_CR_DESIGNER_REV_FIELD1 0x0018 - -#define PSB_CR_SOFT_RESET 0x0080 -#define _PSB_CS_RESET_TSP_RESET (1 << 6) -#define _PSB_CS_RESET_ISP_RESET (1 << 5) -#define _PSB_CS_RESET_USE_RESET (1 << 4) -#define _PSB_CS_RESET_TA_RESET (1 << 3) -#define _PSB_CS_RESET_DPM_RESET (1 << 2) -#define _PSB_CS_RESET_TWOD_RESET (1 << 1) -#define _PSB_CS_RESET_BIF_RESET (1 << 0) - -#define PSB_CR_DESIGNER_REV_FIELD2 0x001C - -#define PSB_CR_EVENT_HOST_ENABLE2 0x0110 - -#define PSB_CR_EVENT_STATUS2 0x0118 - -#define PSB_CR_EVENT_HOST_CLEAR2 0x0114 -#define _PSB_CE2_BIF_REQUESTER_FAULT (1 << 4) - -#define PSB_CR_EVENT_STATUS 0x012C - -#define PSB_CR_EVENT_HOST_ENABLE 0x0130 - -#define PSB_CR_EVENT_HOST_CLEAR 0x0134 -#define _PSB_CE_MASTER_INTERRUPT (1 << 31) -#define _PSB_CE_TA_DPM_FAULT (1 << 28) -#define _PSB_CE_TWOD_COMPLETE (1 << 27) -#define _PSB_CE_DPM_OUT_OF_MEMORY_ZLS (1 << 25) -#define _PSB_CE_DPM_TA_MEM_FREE (1 << 24) -#define _PSB_CE_PIXELBE_END_RENDER (1 << 18) -#define _PSB_CE_SW_EVENT (1 << 14) -#define _PSB_CE_TA_FINISHED (1 << 13) -#define _PSB_CE_TA_TERMINATE (1 << 12) -#define _PSB_CE_DPM_REACHED_MEM_THRESH (1 << 3) -#define _PSB_CE_DPM_OUT_OF_MEMORY_GBL (1 << 2) -#define _PSB_CE_DPM_OUT_OF_MEMORY_MT (1 << 1) -#define _PSB_CE_DPM_3D_MEM_FREE (1 << 0) - - -#define PSB_USE_OFFSET_MASK 0x0007FFFF -#define PSB_USE_OFFSET_SIZE (PSB_USE_OFFSET_MASK + 1) -#define PSB_CR_USE_CODE_BASE0 0x0A0C -#define PSB_CR_USE_CODE_BASE1 0x0A10 -#define PSB_CR_USE_CODE_BASE2 0x0A14 -#define PSB_CR_USE_CODE_BASE3 0x0A18 -#define PSB_CR_USE_CODE_BASE4 0x0A1C -#define PSB_CR_USE_CODE_BASE5 0x0A20 -#define PSB_CR_USE_CODE_BASE6 0x0A24 -#define PSB_CR_USE_CODE_BASE7 0x0A28 -#define PSB_CR_USE_CODE_BASE8 0x0A2C -#define PSB_CR_USE_CODE_BASE9 0x0A30 -#define PSB_CR_USE_CODE_BASE10 0x0A34 -#define PSB_CR_USE_CODE_BASE11 0x0A38 -#define PSB_CR_USE_CODE_BASE12 0x0A3C -#define PSB_CR_USE_CODE_BASE13 0x0A40 -#define PSB_CR_USE_CODE_BASE14 0x0A44 -#define PSB_CR_USE_CODE_BASE15 0x0A48 -#define PSB_CR_USE_CODE_BASE(_i) (0x0A0C + ((_i) << 2)) -#define _PSB_CUC_BASE_DM_SHIFT (25) -#define _PSB_CUC_BASE_DM_MASK (0x3 << 25) -#define _PSB_CUC_BASE_ADDR_SHIFT (0) /* 1024-bit aligned address? */ -#define _PSB_CUC_BASE_ADDR_ALIGNSHIFT (7) -#define _PSB_CUC_BASE_ADDR_MASK (0x1FFFFFF << 0) -#define _PSB_CUC_DM_VERTEX (0) -#define _PSB_CUC_DM_PIXEL (1) -#define _PSB_CUC_DM_RESERVED (2) -#define _PSB_CUC_DM_EDM (3) - -#define PSB_CR_PDS_EXEC_BASE 0x0AB8 -#define _PSB_CR_PDS_EXEC_BASE_ADDR_SHIFT (20) /* 1MB aligned address */ -#define _PSB_CR_PDS_EXEC_BASE_ADDR_ALIGNSHIFT (20) - -#define PSB_CR_EVENT_KICKER 0x0AC4 -#define _PSB_CE_KICKER_ADDRESS_SHIFT (4) /* 128-bit aligned address */ - -#define PSB_CR_EVENT_KICK 0x0AC8 -#define _PSB_CE_KICK_NOW (1 << 0) - -#define PSB_CR_BIF_DIR_LIST_BASE1 0x0C38 - -#define PSB_CR_BIF_CTRL 0x0C00 -#define _PSB_CB_CTRL_CLEAR_FAULT (1 << 4) -#define _PSB_CB_CTRL_INVALDC (1 << 3) -#define _PSB_CB_CTRL_FLUSH (1 << 2) - -#define PSB_CR_BIF_INT_STAT 0x0C04 - -#define PSB_CR_BIF_FAULT 0x0C08 -#define _PSB_CBI_STAT_PF_N_RW (1 << 14) -#define _PSB_CBI_STAT_FAULT_SHIFT (0) -#define _PSB_CBI_STAT_FAULT_MASK (0x3FFF << 0) -#define _PSB_CBI_STAT_FAULT_CACHE (1 << 1) -#define _PSB_CBI_STAT_FAULT_TA (1 << 2) -#define _PSB_CBI_STAT_FAULT_VDM (1 << 3) -#define _PSB_CBI_STAT_FAULT_2D (1 << 4) -#define _PSB_CBI_STAT_FAULT_PBE (1 << 5) -#define _PSB_CBI_STAT_FAULT_TSP (1 << 6) -#define _PSB_CBI_STAT_FAULT_ISP (1 << 7) -#define _PSB_CBI_STAT_FAULT_USSEPDS (1 << 8) -#define _PSB_CBI_STAT_FAULT_HOST (1 << 9) - -#define PSB_CR_BIF_BANK0 0x0C78 -#define PSB_CR_BIF_BANK1 0x0C7C -#define PSB_CR_BIF_DIR_LIST_BASE0 0x0C84 -#define PSB_CR_BIF_TWOD_REQ_BASE 0x0C88 -#define PSB_CR_BIF_3D_REQ_BASE 0x0CAC - -#define PSB_CR_2D_SOCIF 0x0E18 -#define _PSB_C2_SOCIF_FREESPACE_SHIFT (0) -#define _PSB_C2_SOCIF_FREESPACE_MASK (0xFF << 0) -#define _PSB_C2_SOCIF_EMPTY (0x80 << 0) - -#define PSB_CR_2D_BLIT_STATUS 0x0E04 -#define _PSB_C2B_STATUS_BUSY (1 << 24) -#define _PSB_C2B_STATUS_COMPLETE_SHIFT (0) -#define _PSB_C2B_STATUS_COMPLETE_MASK (0xFFFFFF << 0) - -/* - * 2D defs. - */ - -/* - * 2D Slave Port Data : Block Header's Object Type - */ - -#define PSB_2D_CLIP_BH (0x00000000) -#define PSB_2D_PAT_BH (0x10000000) -#define PSB_2D_CTRL_BH (0x20000000) -#define PSB_2D_SRC_OFF_BH (0x30000000) -#define PSB_2D_MASK_OFF_BH (0x40000000) -#define PSB_2D_RESERVED1_BH (0x50000000) -#define PSB_2D_RESERVED2_BH (0x60000000) -#define PSB_2D_FENCE_BH (0x70000000) -#define PSB_2D_BLIT_BH (0x80000000) -#define PSB_2D_SRC_SURF_BH (0x90000000) -#define PSB_2D_DST_SURF_BH (0xA0000000) -#define PSB_2D_PAT_SURF_BH (0xB0000000) -#define PSB_2D_SRC_PAL_BH (0xC0000000) -#define PSB_2D_PAT_PAL_BH (0xD0000000) -#define PSB_2D_MASK_SURF_BH (0xE0000000) -#define PSB_2D_FLUSH_BH (0xF0000000) - -/* - * Clip Definition block (PSB_2D_CLIP_BH) - */ -#define PSB_2D_CLIPCOUNT_MAX (1) -#define PSB_2D_CLIPCOUNT_MASK (0x00000000) -#define PSB_2D_CLIPCOUNT_CLRMASK (0xFFFFFFFF) -#define PSB_2D_CLIPCOUNT_SHIFT (0) -/* clip rectangle min & max */ -#define PSB_2D_CLIP_XMAX_MASK (0x00FFF000) -#define PSB_2D_CLIP_XMAX_CLRMASK (0xFF000FFF) -#define PSB_2D_CLIP_XMAX_SHIFT (12) -#define PSB_2D_CLIP_XMIN_MASK (0x00000FFF) -#define PSB_2D_CLIP_XMIN_CLRMASK (0x00FFF000) -#define PSB_2D_CLIP_XMIN_SHIFT (0) -/* clip rectangle offset */ -#define PSB_2D_CLIP_YMAX_MASK (0x00FFF000) -#define PSB_2D_CLIP_YMAX_CLRMASK (0xFF000FFF) -#define PSB_2D_CLIP_YMAX_SHIFT (12) -#define PSB_2D_CLIP_YMIN_MASK (0x00000FFF) -#define PSB_2D_CLIP_YMIN_CLRMASK (0x00FFF000) -#define PSB_2D_CLIP_YMIN_SHIFT (0) - -/* - * Pattern Control (PSB_2D_PAT_BH) - */ -#define PSB_2D_PAT_HEIGHT_MASK (0x0000001F) -#define PSB_2D_PAT_HEIGHT_SHIFT (0) -#define PSB_2D_PAT_WIDTH_MASK (0x000003E0) -#define PSB_2D_PAT_WIDTH_SHIFT (5) -#define PSB_2D_PAT_YSTART_MASK (0x00007C00) -#define PSB_2D_PAT_YSTART_SHIFT (10) -#define PSB_2D_PAT_XSTART_MASK (0x000F8000) -#define PSB_2D_PAT_XSTART_SHIFT (15) - -/* - * 2D Control block (PSB_2D_CTRL_BH) - */ -/* Present Flags */ -#define PSB_2D_SRCCK_CTRL (0x00000001) -#define PSB_2D_DSTCK_CTRL (0x00000002) -#define PSB_2D_ALPHA_CTRL (0x00000004) -/* Colour Key Colour (SRC/DST)*/ -#define PSB_2D_CK_COL_MASK (0xFFFFFFFF) -#define PSB_2D_CK_COL_CLRMASK (0x00000000) -#define PSB_2D_CK_COL_SHIFT (0) -/* Colour Key Mask (SRC/DST)*/ -#define PSB_2D_CK_MASK_MASK (0xFFFFFFFF) -#define PSB_2D_CK_MASK_CLRMASK (0x00000000) -#define PSB_2D_CK_MASK_SHIFT (0) -/* Alpha Control (Alpha/RGB)*/ -#define PSB_2D_GBLALPHA_MASK (0x000FF000) -#define PSB_2D_GBLALPHA_CLRMASK (0xFFF00FFF) -#define PSB_2D_GBLALPHA_SHIFT (12) -#define PSB_2D_SRCALPHA_OP_MASK (0x00700000) -#define PSB_2D_SRCALPHA_OP_CLRMASK (0xFF8FFFFF) -#define PSB_2D_SRCALPHA_OP_SHIFT (20) -#define PSB_2D_SRCALPHA_OP_ONE (0x00000000) -#define PSB_2D_SRCALPHA_OP_SRC (0x00100000) -#define PSB_2D_SRCALPHA_OP_DST (0x00200000) -#define PSB_2D_SRCALPHA_OP_SG (0x00300000) -#define PSB_2D_SRCALPHA_OP_DG (0x00400000) -#define PSB_2D_SRCALPHA_OP_GBL (0x00500000) -#define PSB_2D_SRCALPHA_OP_ZERO (0x00600000) -#define PSB_2D_SRCALPHA_INVERT (0x00800000) -#define PSB_2D_SRCALPHA_INVERT_CLR (0xFF7FFFFF) -#define PSB_2D_DSTALPHA_OP_MASK (0x07000000) -#define PSB_2D_DSTALPHA_OP_CLRMASK (0xF8FFFFFF) -#define PSB_2D_DSTALPHA_OP_SHIFT (24) -#define PSB_2D_DSTALPHA_OP_ONE (0x00000000) -#define PSB_2D_DSTALPHA_OP_SRC (0x01000000) -#define PSB_2D_DSTALPHA_OP_DST (0x02000000) -#define PSB_2D_DSTALPHA_OP_SG (0x03000000) -#define PSB_2D_DSTALPHA_OP_DG (0x04000000) -#define PSB_2D_DSTALPHA_OP_GBL (0x05000000) -#define PSB_2D_DSTALPHA_OP_ZERO (0x06000000) -#define PSB_2D_DSTALPHA_INVERT (0x08000000) -#define PSB_2D_DSTALPHA_INVERT_CLR (0xF7FFFFFF) - -#define PSB_2D_PRE_MULTIPLICATION_ENABLE (0x10000000) -#define PSB_2D_PRE_MULTIPLICATION_CLRMASK (0xEFFFFFFF) -#define PSB_2D_ZERO_SOURCE_ALPHA_ENABLE (0x20000000) -#define PSB_2D_ZERO_SOURCE_ALPHA_CLRMASK (0xDFFFFFFF) - -/* - *Source Offset (PSB_2D_SRC_OFF_BH) - */ -#define PSB_2D_SRCOFF_XSTART_MASK ((0x00000FFF) << 12) -#define PSB_2D_SRCOFF_XSTART_SHIFT (12) -#define PSB_2D_SRCOFF_YSTART_MASK (0x00000FFF) -#define PSB_2D_SRCOFF_YSTART_SHIFT (0) - -/* - * Mask Offset (PSB_2D_MASK_OFF_BH) - */ -#define PSB_2D_MASKOFF_XSTART_MASK ((0x00000FFF) << 12) -#define PSB_2D_MASKOFF_XSTART_SHIFT (12) -#define PSB_2D_MASKOFF_YSTART_MASK (0x00000FFF) -#define PSB_2D_MASKOFF_YSTART_SHIFT (0) - -/* - * 2D Fence (see PSB_2D_FENCE_BH): bits 0:27 are ignored - */ - -/* - *Blit Rectangle (PSB_2D_BLIT_BH) - */ - -#define PSB_2D_ROT_MASK (3 << 25) -#define PSB_2D_ROT_CLRMASK (~PSB_2D_ROT_MASK) -#define PSB_2D_ROT_NONE (0 << 25) -#define PSB_2D_ROT_90DEGS (1 << 25) -#define PSB_2D_ROT_180DEGS (2 << 25) -#define PSB_2D_ROT_270DEGS (3 << 25) - -#define PSB_2D_COPYORDER_MASK (3 << 23) -#define PSB_2D_COPYORDER_CLRMASK (~PSB_2D_COPYORDER_MASK) -#define PSB_2D_COPYORDER_TL2BR (0 << 23) -#define PSB_2D_COPYORDER_BR2TL (1 << 23) -#define PSB_2D_COPYORDER_TR2BL (2 << 23) -#define PSB_2D_COPYORDER_BL2TR (3 << 23) - -#define PSB_2D_DSTCK_CLRMASK (0xFF9FFFFF) -#define PSB_2D_DSTCK_DISABLE (0x00000000) -#define PSB_2D_DSTCK_PASS (0x00200000) -#define PSB_2D_DSTCK_REJECT (0x00400000) - -#define PSB_2D_SRCCK_CLRMASK (0xFFE7FFFF) -#define PSB_2D_SRCCK_DISABLE (0x00000000) -#define PSB_2D_SRCCK_PASS (0x00080000) -#define PSB_2D_SRCCK_REJECT (0x00100000) - -#define PSB_2D_CLIP_ENABLE (0x00040000) - -#define PSB_2D_ALPHA_ENABLE (0x00020000) - -#define PSB_2D_PAT_CLRMASK (0xFFFEFFFF) -#define PSB_2D_PAT_MASK (0x00010000) -#define PSB_2D_USE_PAT (0x00010000) -#define PSB_2D_USE_FILL (0x00000000) -/* - * Tungsten Graphics note on rop codes: If rop A and rop B are - * identical, the mask surface will not be read and need not be - * set up. - */ - -#define PSB_2D_ROP3B_MASK (0x0000FF00) -#define PSB_2D_ROP3B_CLRMASK (0xFFFF00FF) -#define PSB_2D_ROP3B_SHIFT (8) -/* rop code A */ -#define PSB_2D_ROP3A_MASK (0x000000FF) -#define PSB_2D_ROP3A_CLRMASK (0xFFFFFF00) -#define PSB_2D_ROP3A_SHIFT (0) - -#define PSB_2D_ROP4_MASK (0x0000FFFF) -/* - * DWORD0: (Only pass if Pattern control == Use Fill Colour) - * Fill Colour RGBA8888 - */ -#define PSB_2D_FILLCOLOUR_MASK (0xFFFFFFFF) -#define PSB_2D_FILLCOLOUR_SHIFT (0) -/* - * DWORD1: (Always Present) - * X Start (Dest) - * Y Start (Dest) - */ -#define PSB_2D_DST_XSTART_MASK (0x00FFF000) -#define PSB_2D_DST_XSTART_CLRMASK (0xFF000FFF) -#define PSB_2D_DST_XSTART_SHIFT (12) -#define PSB_2D_DST_YSTART_MASK (0x00000FFF) -#define PSB_2D_DST_YSTART_CLRMASK (0xFFFFF000) -#define PSB_2D_DST_YSTART_SHIFT (0) -/* - * DWORD2: (Always Present) - * X Size (Dest) - * Y Size (Dest) - */ -#define PSB_2D_DST_XSIZE_MASK (0x00FFF000) -#define PSB_2D_DST_XSIZE_CLRMASK (0xFF000FFF) -#define PSB_2D_DST_XSIZE_SHIFT (12) -#define PSB_2D_DST_YSIZE_MASK (0x00000FFF) -#define PSB_2D_DST_YSIZE_CLRMASK (0xFFFFF000) -#define PSB_2D_DST_YSIZE_SHIFT (0) - -/* - * Source Surface (PSB_2D_SRC_SURF_BH) - */ -/* - * WORD 0 - */ - -#define PSB_2D_SRC_FORMAT_MASK (0x00078000) -#define PSB_2D_SRC_1_PAL (0x00000000) -#define PSB_2D_SRC_2_PAL (0x00008000) -#define PSB_2D_SRC_4_PAL (0x00010000) -#define PSB_2D_SRC_8_PAL (0x00018000) -#define PSB_2D_SRC_8_ALPHA (0x00020000) -#define PSB_2D_SRC_4_ALPHA (0x00028000) -#define PSB_2D_SRC_332RGB (0x00030000) -#define PSB_2D_SRC_4444ARGB (0x00038000) -#define PSB_2D_SRC_555RGB (0x00040000) -#define PSB_2D_SRC_1555ARGB (0x00048000) -#define PSB_2D_SRC_565RGB (0x00050000) -#define PSB_2D_SRC_0888ARGB (0x00058000) -#define PSB_2D_SRC_8888ARGB (0x00060000) -#define PSB_2D_SRC_8888UYVY (0x00068000) -#define PSB_2D_SRC_RESERVED (0x00070000) -#define PSB_2D_SRC_1555ARGB_LOOKUP (0x00078000) - - -#define PSB_2D_SRC_STRIDE_MASK (0x00007FFF) -#define PSB_2D_SRC_STRIDE_CLRMASK (0xFFFF8000) -#define PSB_2D_SRC_STRIDE_SHIFT (0) -/* - * WORD 1 - Base Address - */ -#define PSB_2D_SRC_ADDR_MASK (0x0FFFFFFC) -#define PSB_2D_SRC_ADDR_CLRMASK (0x00000003) -#define PSB_2D_SRC_ADDR_SHIFT (2) -#define PSB_2D_SRC_ADDR_ALIGNSHIFT (2) - -/* - * Pattern Surface (PSB_2D_PAT_SURF_BH) - */ -/* - * WORD 0 - */ - -#define PSB_2D_PAT_FORMAT_MASK (0x00078000) -#define PSB_2D_PAT_1_PAL (0x00000000) -#define PSB_2D_PAT_2_PAL (0x00008000) -#define PSB_2D_PAT_4_PAL (0x00010000) -#define PSB_2D_PAT_8_PAL (0x00018000) -#define PSB_2D_PAT_8_ALPHA (0x00020000) -#define PSB_2D_PAT_4_ALPHA (0x00028000) -#define PSB_2D_PAT_332RGB (0x00030000) -#define PSB_2D_PAT_4444ARGB (0x00038000) -#define PSB_2D_PAT_555RGB (0x00040000) -#define PSB_2D_PAT_1555ARGB (0x00048000) -#define PSB_2D_PAT_565RGB (0x00050000) -#define PSB_2D_PAT_0888ARGB (0x00058000) -#define PSB_2D_PAT_8888ARGB (0x00060000) - -#define PSB_2D_PAT_STRIDE_MASK (0x00007FFF) -#define PSB_2D_PAT_STRIDE_CLRMASK (0xFFFF8000) -#define PSB_2D_PAT_STRIDE_SHIFT (0) -/* - * WORD 1 - Base Address - */ -#define PSB_2D_PAT_ADDR_MASK (0x0FFFFFFC) -#define PSB_2D_PAT_ADDR_CLRMASK (0x00000003) -#define PSB_2D_PAT_ADDR_SHIFT (2) -#define PSB_2D_PAT_ADDR_ALIGNSHIFT (2) - -/* - * Destination Surface (PSB_2D_DST_SURF_BH) - */ -/* - * WORD 0 - */ - -#define PSB_2D_DST_FORMAT_MASK (0x00078000) -#define PSB_2D_DST_332RGB (0x00030000) -#define PSB_2D_DST_4444ARGB (0x00038000) -#define PSB_2D_DST_555RGB (0x00040000) -#define PSB_2D_DST_1555ARGB (0x00048000) -#define PSB_2D_DST_565RGB (0x00050000) -#define PSB_2D_DST_0888ARGB (0x00058000) -#define PSB_2D_DST_8888ARGB (0x00060000) -#define PSB_2D_DST_8888AYUV (0x00070000) - -#define PSB_2D_DST_STRIDE_MASK (0x00007FFF) -#define PSB_2D_DST_STRIDE_CLRMASK (0xFFFF8000) -#define PSB_2D_DST_STRIDE_SHIFT (0) -/* - * WORD 1 - Base Address - */ -#define PSB_2D_DST_ADDR_MASK (0x0FFFFFFC) -#define PSB_2D_DST_ADDR_CLRMASK (0x00000003) -#define PSB_2D_DST_ADDR_SHIFT (2) -#define PSB_2D_DST_ADDR_ALIGNSHIFT (2) - -/* - * Mask Surface (PSB_2D_MASK_SURF_BH) - */ -/* - * WORD 0 - */ -#define PSB_2D_MASK_STRIDE_MASK (0x00007FFF) -#define PSB_2D_MASK_STRIDE_CLRMASK (0xFFFF8000) -#define PSB_2D_MASK_STRIDE_SHIFT (0) -/* - * WORD 1 - Base Address - */ -#define PSB_2D_MASK_ADDR_MASK (0x0FFFFFFC) -#define PSB_2D_MASK_ADDR_CLRMASK (0x00000003) -#define PSB_2D_MASK_ADDR_SHIFT (2) -#define PSB_2D_MASK_ADDR_ALIGNSHIFT (2) - -/* - * Source Palette (PSB_2D_SRC_PAL_BH) - */ - -#define PSB_2D_SRCPAL_ADDR_SHIFT (0) -#define PSB_2D_SRCPAL_ADDR_CLRMASK (0xF0000007) -#define PSB_2D_SRCPAL_ADDR_MASK (0x0FFFFFF8) -#define PSB_2D_SRCPAL_BYTEALIGN (1024) - -/* - * Pattern Palette (PSB_2D_PAT_PAL_BH) - */ - -#define PSB_2D_PATPAL_ADDR_SHIFT (0) -#define PSB_2D_PATPAL_ADDR_CLRMASK (0xF0000007) -#define PSB_2D_PATPAL_ADDR_MASK (0x0FFFFFF8) -#define PSB_2D_PATPAL_BYTEALIGN (1024) - -/* - * Rop3 Codes (2 LS bytes) - */ - -#define PSB_2D_ROP3_SRCCOPY (0xCCCC) -#define PSB_2D_ROP3_PATCOPY (0xF0F0) -#define PSB_2D_ROP3_WHITENESS (0xFFFF) -#define PSB_2D_ROP3_BLACKNESS (0x0000) -#define PSB_2D_ROP3_SRC (0xCC) -#define PSB_2D_ROP3_PAT (0xF0) -#define PSB_2D_ROP3_DST (0xAA) - -/* - * Sizes. - */ - -#define PSB_SCENE_HW_COOKIE_SIZE 16 -#define PSB_TA_MEM_HW_COOKIE_SIZE 16 - -/* - * Scene stuff. - */ - -#define PSB_NUM_HW_SCENES 2 - -/* - * Scheduler completion actions. - */ - -#define PSB_RASTER_BLOCK 0 -#define PSB_RASTER 1 -#define PSB_RETURN 2 -#define PSB_TA 3 - -/* Power management */ -#define PSB_PUNIT_PORT 0x04 -#define PSB_OSPMBA 0x78 -#define PSB_APMBA 0x7a -#define PSB_APM_CMD 0x0 -#define PSB_APM_STS 0x04 -#define PSB_PWRGT_VID_ENC_MASK 0x30 -#define PSB_PWRGT_VID_DEC_MASK 0xc -#define PSB_PWRGT_GL3_MASK 0xc0 - -#define PSB_PM_SSC 0x20 -#define PSB_PM_SSS 0x30 -#define PSB_PWRGT_DISPLAY_MASK 0xc /*on a different BA than video/gfx*/ -#define MDFLD_PWRGT_DISPLAY_A_CNTR 0x0000000c -#define MDFLD_PWRGT_DISPLAY_B_CNTR 0x0000c000 -#define MDFLD_PWRGT_DISPLAY_C_CNTR 0x00030000 -#define MDFLD_PWRGT_DISP_MIPI_CNTR 0x000c0000 -#define MDFLD_PWRGT_DISPLAY_CNTR (MDFLD_PWRGT_DISPLAY_A_CNTR | MDFLD_PWRGT_DISPLAY_B_CNTR | MDFLD_PWRGT_DISPLAY_C_CNTR | MDFLD_PWRGT_DISP_MIPI_CNTR) /* 0x000fc00c */ -/* Display SSS register bits are different in A0 vs. B0 */ -#define PSB_PWRGT_GFX_MASK 0x3 -#define MDFLD_PWRGT_DISPLAY_A_STS 0x000000c0 -#define MDFLD_PWRGT_DISPLAY_B_STS 0x00000300 -#define MDFLD_PWRGT_DISPLAY_C_STS 0x00000c00 -#define PSB_PWRGT_GFX_MASK_B0 0xc3 -#define MDFLD_PWRGT_DISPLAY_A_STS_B0 0x0000000c -#define MDFLD_PWRGT_DISPLAY_B_STS_B0 0x0000c000 -#define MDFLD_PWRGT_DISPLAY_C_STS_B0 0x00030000 -#define MDFLD_PWRGT_DISP_MIPI_STS 0x000c0000 -#define MDFLD_PWRGT_DISPLAY_STS_A0 (MDFLD_PWRGT_DISPLAY_A_STS | MDFLD_PWRGT_DISPLAY_B_STS | MDFLD_PWRGT_DISPLAY_C_STS | MDFLD_PWRGT_DISP_MIPI_STS) /* 0x000fc00c */ -#define MDFLD_PWRGT_DISPLAY_STS_B0 (MDFLD_PWRGT_DISPLAY_A_STS_B0 | MDFLD_PWRGT_DISPLAY_B_STS_B0 | MDFLD_PWRGT_DISPLAY_C_STS_B0 | MDFLD_PWRGT_DISP_MIPI_STS) /* 0x000fc00c */ -#endif diff --git a/drivers/staging/media/go7007/go7007-usb.c b/drivers/staging/media/go7007/go7007-usb.c index 70e006b50f2922..5443e25086e9f3 100644 --- a/drivers/staging/media/go7007/go7007-usb.c +++ b/drivers/staging/media/go7007/go7007-usb.c @@ -1279,3 +1279,4 @@ static struct usb_driver go7007_usb_driver = { }; module_usb_driver(go7007_usb_driver); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/omapdrm/Makefile b/drivers/staging/omapdrm/Makefile index 592cf69020cd7b..d9cdc120d122e9 100644 --- a/drivers/staging/omapdrm/Makefile +++ b/drivers/staging/omapdrm/Makefile @@ -7,6 +7,7 @@ ccflags-y := -Iinclude/drm -Werror omapdrm-y := omap_drv.o \ omap_debugfs.o \ omap_crtc.o \ + omap_plane.o \ omap_encoder.o \ omap_connector.o \ omap_fb.o \ diff --git a/drivers/staging/omapdrm/omap_crtc.c b/drivers/staging/omapdrm/omap_crtc.c index cffdf5e1239424..17ca163e5896ba 100644 --- a/drivers/staging/omapdrm/omap_crtc.c +++ b/drivers/staging/omapdrm/omap_crtc.c @@ -27,196 +27,95 @@ struct omap_crtc { struct drm_crtc base; - struct omap_overlay *ovl; - struct omap_overlay_info info; + struct drm_plane *plane; + const char *name; int id; - /* if there is a pending flip, this will be non-null: */ + /* if there is a pending flip, these will be non-null: */ struct drm_pending_vblank_event *event; + struct drm_framebuffer *old_fb; }; -/* push changes down to dss2 */ -static int commit(struct drm_crtc *crtc) -{ - struct drm_device *dev = crtc->dev; - struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - struct omap_overlay *ovl = omap_crtc->ovl; - struct omap_overlay_info *info = &omap_crtc->info; - int ret; - - DBG("%s", omap_crtc->ovl->name); - DBG("%dx%d -> %dx%d (%d)", info->width, info->height, info->out_width, - info->out_height, info->screen_width); - DBG("%d,%d %08x", info->pos_x, info->pos_y, info->paddr); - - /* NOTE: do we want to do this at all here, or just wait - * for dpms(ON) since other CRTC's may not have their mode - * set yet, so fb dimensions may still change.. - */ - ret = ovl->set_overlay_info(ovl, info); - if (ret) { - dev_err(dev->dev, "could not set overlay info\n"); - return ret; - } - - /* our encoder doesn't necessarily get a commit() after this, in - * particular in the dpms() and mode_set_base() cases, so force the - * manager to update: - * - * could this be in the encoder somehow? - */ - if (ovl->manager) { - ret = ovl->manager->apply(ovl->manager); - if (ret) { - dev_err(dev->dev, "could not apply settings\n"); - return ret; - } - } - - if (info->enabled) { - omap_framebuffer_flush(crtc->fb, crtc->x, crtc->y, - crtc->fb->width, crtc->fb->height); - } - - return 0; -} - -/* update parameters that are dependent on the framebuffer dimensions and - * position within the fb that this crtc scans out from. This is called - * when framebuffer dimensions or x,y base may have changed, either due - * to our mode, or a change in another crtc that is scanning out of the - * same fb. - */ -static void update_scanout(struct drm_crtc *crtc) -{ - struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - dma_addr_t paddr; - unsigned int screen_width; - - omap_framebuffer_get_buffer(crtc->fb, crtc->x, crtc->y, - NULL, &paddr, &screen_width); - - DBG("%s: %d,%d: %08x (%d)", omap_crtc->ovl->name, - crtc->x, crtc->y, (u32)paddr, screen_width); - - omap_crtc->info.paddr = paddr; - omap_crtc->info.screen_width = screen_width; -} - static void omap_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, uint32_t start, uint32_t size) { - struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - DBG("%s", omap_crtc->ovl->name); + /* not supported.. at least not yet */ } static void omap_crtc_destroy(struct drm_crtc *crtc) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - DBG("%s", omap_crtc->ovl->name); + omap_crtc->plane->funcs->destroy(omap_crtc->plane); drm_crtc_cleanup(crtc); kfree(omap_crtc); } static void omap_crtc_dpms(struct drm_crtc *crtc, int mode) { + struct omap_drm_private *priv = crtc->dev->dev_private; struct omap_crtc *omap_crtc = to_omap_crtc(crtc); + int i; - DBG("%s: %d", omap_crtc->ovl->name, mode); + WARN_ON(omap_plane_dpms(omap_crtc->plane, mode)); - if (mode == DRM_MODE_DPMS_ON) { - update_scanout(crtc); - omap_crtc->info.enabled = true; - } else { - omap_crtc->info.enabled = false; + for (i = 0; i < priv->num_planes; i++) { + struct drm_plane *plane = priv->planes[i]; + if (plane->crtc == crtc) + WARN_ON(omap_plane_dpms(plane, mode)); } - - WARN_ON(commit(crtc)); } static bool omap_crtc_mode_fixup(struct drm_crtc *crtc, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) { - struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - DBG("%s", omap_crtc->ovl->name); return true; } static int omap_crtc_mode_set(struct drm_crtc *crtc, - struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode, - int x, int y, - struct drm_framebuffer *old_fb) + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode, + int x, int y, + struct drm_framebuffer *old_fb) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); + struct drm_plane *plane = omap_crtc->plane; - DBG("%s: %d,%d: %dx%d", omap_crtc->ovl->name, x, y, - mode->hdisplay, mode->vdisplay); - - /* just use adjusted mode */ - mode = adjusted_mode; - - omap_crtc->info.width = mode->hdisplay; - omap_crtc->info.height = mode->vdisplay; - omap_crtc->info.out_width = mode->hdisplay; - omap_crtc->info.out_height = mode->vdisplay; - omap_crtc->info.color_mode = OMAP_DSS_COLOR_RGB24U; - omap_crtc->info.rotation_type = OMAP_DSS_ROT_DMA; - omap_crtc->info.rotation = OMAP_DSS_ROT_0; - omap_crtc->info.global_alpha = 0xff; - omap_crtc->info.mirror = 0; - omap_crtc->info.mirror = 0; - omap_crtc->info.pos_x = 0; - omap_crtc->info.pos_y = 0; -#if 0 /* re-enable when these are available in DSS2 driver */ - omap_crtc->info.zorder = 3; /* GUI in the front, video behind */ - omap_crtc->info.min_x_decim = 1; - omap_crtc->info.max_x_decim = 1; - omap_crtc->info.min_y_decim = 1; - omap_crtc->info.max_y_decim = 1; -#endif - - update_scanout(crtc); - - return 0; + return omap_plane_mode_set(plane, crtc, crtc->fb, + 0, 0, mode->hdisplay, mode->vdisplay, + x << 16, y << 16, + mode->hdisplay << 16, mode->vdisplay << 16); } static void omap_crtc_prepare(struct drm_crtc *crtc) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - struct omap_overlay *ovl = omap_crtc->ovl; - - DBG("%s", omap_crtc->ovl->name); - - ovl->get_overlay_info(ovl, &omap_crtc->info); - + DBG("%s", omap_crtc->name); omap_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); } static void omap_crtc_commit(struct drm_crtc *crtc) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - DBG("%s", omap_crtc->ovl->name); + DBG("%s", omap_crtc->name); omap_crtc_dpms(crtc, DRM_MODE_DPMS_ON); } static int omap_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, - struct drm_framebuffer *old_fb) + struct drm_framebuffer *old_fb) { struct omap_crtc *omap_crtc = to_omap_crtc(crtc); + struct drm_plane *plane = omap_crtc->plane; + struct drm_display_mode *mode = &crtc->mode; - DBG("%s %d,%d: fb=%p", omap_crtc->ovl->name, x, y, old_fb); - - update_scanout(crtc); - - return commit(crtc); + return plane->funcs->update_plane(plane, crtc, crtc->fb, + 0, 0, mode->hdisplay, mode->vdisplay, + x << 16, y << 16, + mode->hdisplay << 16, mode->vdisplay << 16); } static void omap_crtc_load_lut(struct drm_crtc *crtc) { - struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - DBG("%s", omap_crtc->ovl->name); } static void page_flip_cb(void *arg) @@ -225,15 +124,16 @@ static void page_flip_cb(void *arg) struct drm_device *dev = crtc->dev; struct omap_crtc *omap_crtc = to_omap_crtc(crtc); struct drm_pending_vblank_event *event = omap_crtc->event; + struct drm_framebuffer *old_fb = omap_crtc->old_fb; struct timeval now; unsigned long flags; WARN_ON(!event); omap_crtc->event = NULL; + omap_crtc->old_fb = NULL; - update_scanout(crtc); - WARN_ON(commit(crtc)); + omap_crtc_mode_set_base(crtc, crtc->x, crtc->y, old_fb); /* wakeup userspace */ /* TODO: this should happen *after* flip in vsync IRQ handler */ @@ -264,10 +164,11 @@ static int omap_crtc_page_flip_locked(struct drm_crtc *crtc, return -EINVAL; } - crtc->fb = fb; + omap_crtc->old_fb = crtc->fb; omap_crtc->event = event; + crtc->fb = fb; - omap_gem_op_async(omap_framebuffer_bo(fb), OMAP_GEM_READ, + omap_gem_op_async(omap_framebuffer_bo(fb, 0), OMAP_GEM_READ, page_flip_cb, crtc); return 0; @@ -290,12 +191,6 @@ static const struct drm_crtc_helper_funcs omap_crtc_helper_funcs = { .load_lut = omap_crtc_load_lut, }; -struct omap_overlay *omap_crtc_get_overlay(struct drm_crtc *crtc) -{ - struct omap_crtc *omap_crtc = to_omap_crtc(crtc); - return omap_crtc->ovl; -} - /* initialize crtc */ struct drm_crtc *omap_crtc_init(struct drm_device *dev, struct omap_overlay *ovl, int id) @@ -310,9 +205,13 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev, goto fail; } - omap_crtc->ovl = ovl; - omap_crtc->id = id; crtc = &omap_crtc->base; + + omap_crtc->plane = omap_plane_init(dev, ovl, (1 << id), true); + omap_crtc->plane->crtc = crtc; + omap_crtc->name = ovl->name; + omap_crtc->id = id; + drm_crtc_init(dev, crtc, &omap_crtc_funcs); drm_crtc_helper_add(crtc, &omap_crtc_helper_funcs); diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c index 602aa2dd49c867..3bbea9aac40433 100644 --- a/drivers/staging/omapdrm/omap_drv.c +++ b/drivers/staging/omapdrm/omap_drv.c @@ -204,12 +204,6 @@ static int create_crtc(struct drm_device *dev, struct omap_overlay *ovl, struct omap_overlay_manager *mgr = NULL; struct drm_crtc *crtc; - if (ovl->manager) { - DBG("disconnecting %s from %s", ovl->name, - ovl->manager->name); - ovl->unset_manager(ovl); - } - /* find next best connector, ones with detected connection first */ while (*j < priv->num_connectors && !mgr) { @@ -245,11 +239,6 @@ static int create_crtc(struct drm_device *dev, struct omap_overlay *ovl, (*j)++; } - if (mgr) { - DBG("connecting %s to %s", ovl->name, mgr->name); - ovl->set_manager(ovl, mgr); - } - crtc = omap_crtc_init(dev, ovl, priv->num_crtcs); if (!crtc) { @@ -265,6 +254,26 @@ static int create_crtc(struct drm_device *dev, struct omap_overlay *ovl, return 0; } +static int create_plane(struct drm_device *dev, struct omap_overlay *ovl, + unsigned int possible_crtcs) +{ + struct omap_drm_private *priv = dev->dev_private; + struct drm_plane *plane = + omap_plane_init(dev, ovl, possible_crtcs, false); + + if (!plane) { + dev_err(dev->dev, "could not create plane: %s\n", + ovl->name); + return -ENOMEM; + } + + BUG_ON(priv->num_planes >= ARRAY_SIZE(priv->planes)); + + priv->planes[priv->num_planes++] = plane; + + return 0; +} + static int match_dev_name(struct omap_dss_device *dssdev, void *data) { return !strcmp(dssdev->name, data); @@ -332,6 +341,12 @@ static int omap_modeset_init(struct drm_device *dev) omap_dss_get_overlay(kms_pdata->ovl_ids[i]); create_crtc(dev, ovl, &j, connected_connectors); } + + for (i = 0; i < kms_pdata->pln_cnt; i++) { + struct omap_overlay *ovl = + omap_dss_get_overlay(kms_pdata->pln_ids[i]); + create_plane(dev, ovl, (1 << priv->num_crtcs) - 1); + } } else { /* otherwise just grab up to CONFIG_DRM_OMAP_NUM_CRTCS and try * to make educated guesses about everything else @@ -353,6 +368,12 @@ static int omap_modeset_init(struct drm_device *dev) create_crtc(dev, omap_dss_get_overlay(i), &j, connected_connectors); } + + /* use any remaining overlays as drm planes */ + for (; i < omap_dss_get_num_overlays(); i++) { + struct omap_overlay *ovl = omap_dss_get_overlay(i); + create_plane(dev, ovl, (1 << priv->num_crtcs) - 1); + } } /* for now keep the mapping of CRTCs and encoders static.. */ @@ -361,15 +382,7 @@ static int omap_modeset_init(struct drm_device *dev) struct omap_overlay_manager *mgr = omap_encoder_get_manager(encoder); - encoder->possible_crtcs = 0; - - for (j = 0; j < priv->num_crtcs; j++) { - struct omap_overlay *ovl = - omap_crtc_get_overlay(priv->crtcs[j]); - if (ovl->manager == mgr) { - encoder->possible_crtcs |= (1 << j); - } - } + encoder->possible_crtcs = (1 << priv->num_crtcs) - 1; DBG("%s: possible_crtcs=%08x", mgr->name, encoder->possible_crtcs); @@ -377,8 +390,8 @@ static int omap_modeset_init(struct drm_device *dev) dump_video_chains(); - dev->mode_config.min_width = 256; - dev->mode_config.min_height = 256; + dev->mode_config.min_width = 32; + dev->mode_config.min_height = 32; /* note: eventually will need some cpu_is_omapXYZ() type stuff here * to fill in these limits properly on different OMAP generations.. @@ -708,6 +721,18 @@ static struct vm_operations_struct omap_gem_vm_ops = { .close = drm_gem_vm_close, }; +static const struct file_operations omapdriver_fops = { + .owner = THIS_MODULE, + .open = drm_open, + .unlocked_ioctl = drm_ioctl, + .release = drm_release, + .mmap = omap_gem_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + .read = drm_read, + .llseek = noop_llseek, +}; + static struct drm_driver omap_drm_driver = { .driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET | DRIVER_GEM, @@ -738,17 +763,7 @@ static struct drm_driver omap_drm_driver = { .dumb_destroy = omap_gem_dumb_destroy, .ioctls = ioctls, .num_ioctls = DRM_OMAP_NUM_IOCTLS, - .fops = { - .owner = THIS_MODULE, - .open = drm_open, - .unlocked_ioctl = drm_ioctl, - .release = drm_release, - .mmap = omap_gem_mmap, - .poll = drm_poll, - .fasync = drm_fasync, - .read = drm_read, - .llseek = noop_llseek, - }, + .fops = &omapdriver_fops, .name = DRIVER_NAME, .desc = DRIVER_DESC, .date = DRIVER_DATE, diff --git a/drivers/staging/omapdrm/omap_drv.h b/drivers/staging/omapdrm/omap_drv.h index 76c42515ecc562..61fe022dda5b8f 100644 --- a/drivers/staging/omapdrm/omap_drv.h +++ b/drivers/staging/omapdrm/omap_drv.h @@ -24,6 +24,7 @@ #include <linux/module.h> #include <linux/types.h> #include <drm/drmP.h> +#include <drm/drm_crtc_helper.h> #include "omap_drm.h" #include "omap_priv.h" @@ -41,6 +42,8 @@ struct omap_drm_private { unsigned int num_crtcs; struct drm_crtc *crtcs[8]; + unsigned int num_planes; + struct drm_plane *planes[8]; unsigned int num_encoders; struct drm_encoder *encoders[8]; unsigned int num_connectors; @@ -61,7 +64,17 @@ void omap_fbdev_free(struct drm_device *dev); struct drm_crtc *omap_crtc_init(struct drm_device *dev, struct omap_overlay *ovl, int id); -struct omap_overlay *omap_crtc_get_overlay(struct drm_crtc *crtc); + +struct drm_plane *omap_plane_init(struct drm_device *dev, + struct omap_overlay *ovl, unsigned int possible_crtcs, + bool priv); +int omap_plane_dpms(struct drm_plane *plane, int mode); +int omap_plane_mode_set(struct drm_plane *plane, + struct drm_crtc *crtc, struct drm_framebuffer *fb, + int crtc_x, int crtc_y, + unsigned int crtc_w, unsigned int crtc_h, + uint32_t src_x, uint32_t src_y, + uint32_t src_w, uint32_t src_h); struct drm_encoder *omap_encoder_init(struct drm_device *dev, struct omap_overlay_manager *mgr); @@ -80,12 +93,14 @@ void omap_connector_flush(struct drm_connector *connector, int x, int y, int w, int h); struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev, - struct drm_file *file, struct drm_mode_fb_cmd *mode_cmd); + struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd); struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, - struct drm_mode_fb_cmd *mode_cmd, struct drm_gem_object *bo); -struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb); -int omap_framebuffer_get_buffer(struct drm_framebuffer *fb, int x, int y, - void **vaddr, dma_addr_t *paddr, unsigned int *screen_width); + struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos); +struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p); +int omap_framebuffer_pin(struct drm_framebuffer *fb); +void omap_framebuffer_unpin(struct drm_framebuffer *fb); +void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, int x, int y, + struct omap_overlay_info *info); struct drm_connector *omap_framebuffer_get_next_connector( struct drm_framebuffer *fb, struct drm_connector *from); void omap_framebuffer_flush(struct drm_framebuffer *fb, @@ -132,4 +147,29 @@ static inline int align_pitch(int pitch, int width, int bpp) return ALIGN(pitch, 8 * bytespp); } +/* should these be made into common util helpers? + */ + +static inline int objects_lookup(struct drm_device *dev, + struct drm_file *filp, uint32_t pixel_format, + struct drm_gem_object **bos, uint32_t *handles) +{ + int i, n = drm_format_num_planes(pixel_format); + + for (i = 0; i < n; i++) { + bos[i] = drm_gem_object_lookup(dev, filp, handles[i]); + if (!bos[i]) { + goto fail; + } + } + + return 0; + +fail: + while (--i > 0) { + drm_gem_object_unreference_unlocked(bos[i]); + } + return -ENOENT; +} + #endif /* __OMAP_DRV_H__ */ diff --git a/drivers/staging/omapdrm/omap_fb.c b/drivers/staging/omapdrm/omap_fb.c index 0b50c5b3b56465..d021a7ec58dfca 100644 --- a/drivers/staging/omapdrm/omap_fb.c +++ b/drivers/staging/omapdrm/omap_fb.c @@ -22,18 +22,57 @@ #include "drm_crtc.h" #include "drm_crtc_helper.h" - /* * framebuffer funcs */ +/* per-format info: */ +struct format { + enum omap_color_mode dss_format; + uint32_t pixel_format; + struct { + int stride_bpp; /* this times width is stride */ + int sub_y; /* sub-sample in y dimension */ + } planes[4]; + bool yuv; +}; + +static const struct format formats[] = { + /* 16bpp [A]RGB: */ + { OMAP_DSS_COLOR_RGB16, DRM_FORMAT_RGB565, {{2, 1}}, false }, /* RGB16-565 */ + { OMAP_DSS_COLOR_RGB12U, DRM_FORMAT_RGBX4444, {{2, 1}}, false }, /* RGB12x-4444 */ + { OMAP_DSS_COLOR_RGBX16, DRM_FORMAT_XRGB4444, {{2, 1}}, false }, /* xRGB12-4444 */ + { OMAP_DSS_COLOR_RGBA16, DRM_FORMAT_RGBA4444, {{2, 1}}, false }, /* RGBA12-4444 */ + { OMAP_DSS_COLOR_ARGB16, DRM_FORMAT_ARGB4444, {{2, 1}}, false }, /* ARGB16-4444 */ + { OMAP_DSS_COLOR_XRGB16_1555, DRM_FORMAT_XRGB1555, {{2, 1}}, false }, /* xRGB15-1555 */ + { OMAP_DSS_COLOR_ARGB16_1555, DRM_FORMAT_ARGB1555, {{2, 1}}, false }, /* ARGB16-1555 */ + /* 24bpp RGB: */ + { OMAP_DSS_COLOR_RGB24P, DRM_FORMAT_RGB888, {{3, 1}}, false }, /* RGB24-888 */ + /* 32bpp [A]RGB: */ + { OMAP_DSS_COLOR_RGBX32, DRM_FORMAT_RGBX8888, {{4, 1}}, false }, /* RGBx24-8888 */ + { OMAP_DSS_COLOR_RGB24U, DRM_FORMAT_XRGB8888, {{4, 1}}, false }, /* xRGB24-8888 */ + { OMAP_DSS_COLOR_RGBA32, DRM_FORMAT_RGBA8888, {{4, 1}}, false }, /* RGBA32-8888 */ + { OMAP_DSS_COLOR_ARGB32, DRM_FORMAT_ARGB8888, {{4, 1}}, false }, /* ARGB32-8888 */ + /* YUV: */ + { OMAP_DSS_COLOR_NV12, DRM_FORMAT_NV12, {{1, 1}, {1, 2}}, true }, + { OMAP_DSS_COLOR_YUV2, DRM_FORMAT_YUYV, {{2, 1}}, true }, + { OMAP_DSS_COLOR_UYVY, DRM_FORMAT_UYVY, {{2, 1}}, true }, +}; + +/* per-plane info for the fb: */ +struct plane { + struct drm_gem_object *bo; + uint32_t pitch; + uint32_t offset; + dma_addr_t paddr; +}; + #define to_omap_framebuffer(x) container_of(x, struct omap_framebuffer, base) struct omap_framebuffer { struct drm_framebuffer base; - struct drm_gem_object *bo; - int size; - dma_addr_t paddr; + const struct format *format; + struct plane planes[4]; }; static int omap_framebuffer_create_handle(struct drm_framebuffer *fb, @@ -41,22 +80,23 @@ static int omap_framebuffer_create_handle(struct drm_framebuffer *fb, unsigned int *handle) { struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); - return drm_gem_handle_create(file_priv, omap_fb->bo, handle); + return drm_gem_handle_create(file_priv, + omap_fb->planes[0].bo, handle); } static void omap_framebuffer_destroy(struct drm_framebuffer *fb) { - struct drm_device *dev = fb->dev; struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); + int i, n = drm_format_num_planes(omap_fb->format->pixel_format); DBG("destroy: FB ID: %d (%p)", fb->base.id, fb); drm_framebuffer_cleanup(fb); - if (omap_fb->bo) { - if (omap_fb->paddr && omap_gem_put_paddr(omap_fb->bo)) - dev_err(dev->dev, "could not unmap!\n"); - drm_gem_object_unreference_unlocked(omap_fb->bo); + for (i = 0; i < n; i++) { + struct plane *plane = &omap_fb->planes[i]; + if (plane->bo) + drm_gem_object_unreference_unlocked(plane->bo); } kfree(omap_fb); @@ -83,37 +123,76 @@ static const struct drm_framebuffer_funcs omap_framebuffer_funcs = { .dirty = omap_framebuffer_dirty, }; -/* returns the buffer size */ -int omap_framebuffer_get_buffer(struct drm_framebuffer *fb, int x, int y, - void **vaddr, dma_addr_t *paddr, unsigned int *screen_width) +/* pins buffer in preparation for scanout */ +int omap_framebuffer_pin(struct drm_framebuffer *fb) { struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); - int bpp = fb->bits_per_pixel / 8; - unsigned long offset; + int ret, i, n = drm_format_num_planes(omap_fb->format->pixel_format); - offset = (x * bpp) + (y * fb->pitch); + for (i = 0; i < n; i++) { + struct plane *plane = &omap_fb->planes[i]; + ret = omap_gem_get_paddr(plane->bo, &plane->paddr, true); + if (ret) + goto fail; + } - if (vaddr) { - void *bo_vaddr = omap_gem_vaddr(omap_fb->bo); - /* note: we can only count on having a vaddr for buffers that - * are allocated physically contiguously to begin with (ie. - * dma_alloc_coherent()). But this should be ok because it - * is only used by legacy fbdev - */ - BUG_ON(IS_ERR_OR_NULL(bo_vaddr)); - *vaddr = bo_vaddr + offset; + return 0; + +fail: + while (--i > 0) { + struct plane *plane = &omap_fb->planes[i]; + omap_gem_put_paddr(plane->bo); } + return ret; +} - *paddr = omap_fb->paddr + offset; - *screen_width = fb->pitch / bpp; +/* releases buffer when done with scanout */ +void omap_framebuffer_unpin(struct drm_framebuffer *fb) +{ + struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); + int i, n = drm_format_num_planes(omap_fb->format->pixel_format); - return omap_fb->size - offset; + for (i = 0; i < n; i++) { + struct plane *plane = &omap_fb->planes[i]; + omap_gem_put_paddr(plane->bo); + } } -struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb) +/* update ovl info for scanout, handles cases of multi-planar fb's, etc. + */ +void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, int x, int y, + struct omap_overlay_info *info) { struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); - return omap_fb->bo; + const struct format *format = omap_fb->format; + struct plane *plane = &omap_fb->planes[0]; + unsigned int offset; + + offset = plane->offset + + (x * format->planes[0].stride_bpp) + + (y * plane->pitch / format->planes[0].sub_y); + + info->color_mode = format->dss_format; + info->paddr = plane->paddr + offset; + info->screen_width = plane->pitch / format->planes[0].stride_bpp; + + if (format->dss_format == OMAP_DSS_COLOR_NV12) { + plane = &omap_fb->planes[1]; + offset = plane->offset + + (x * format->planes[1].stride_bpp) + + (y * plane->pitch / format->planes[1].sub_y); + info->p_uv_addr = plane->paddr + offset; + } else { + info->p_uv_addr = 0; + } +} + +struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p) +{ + struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb); + if (p >= drm_format_num_planes(omap_fb->format->pixel_format)) + return NULL; + return omap_fb->planes[p].bo; } /* iterate thru all the connectors, returning ones that are attached @@ -171,39 +250,57 @@ void omap_framebuffer_flush(struct drm_framebuffer *fb, } struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev, - struct drm_file *file, struct drm_mode_fb_cmd *mode_cmd) + struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd) { - struct drm_gem_object *bo; + struct drm_gem_object *bos[4]; struct drm_framebuffer *fb; - bo = drm_gem_object_lookup(dev, file, mode_cmd->handle); - if (!bo) { - return ERR_PTR(-ENOENT); - } - fb = omap_framebuffer_init(dev, mode_cmd, bo); - if (!fb) { - return ERR_PTR(-ENOMEM); + int ret; + + ret = objects_lookup(dev, file, mode_cmd->pixel_format, + bos, mode_cmd->handles); + if (ret) + return ERR_PTR(ret); + + fb = omap_framebuffer_init(dev, mode_cmd, bos); + if (IS_ERR(fb)) { + int i, n = drm_format_num_planes(mode_cmd->pixel_format); + for (i = 0; i < n; i++) + drm_gem_object_unreference_unlocked(bos[i]); + return fb; } return fb; } struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, - struct drm_mode_fb_cmd *mode_cmd, struct drm_gem_object *bo) + struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos) { struct omap_framebuffer *omap_fb; struct drm_framebuffer *fb = NULL; - int size, ret; + const struct format *format = NULL; + int ret, i, n = drm_format_num_planes(mode_cmd->pixel_format); - DBG("create framebuffer: dev=%p, mode_cmd=%p (%dx%d@%d)", + DBG("create framebuffer: dev=%p, mode_cmd=%p (%dx%d@%4.4s)", dev, mode_cmd, mode_cmd->width, mode_cmd->height, - mode_cmd->bpp); + (char *)&mode_cmd->pixel_format); + + for (i = 0; i < ARRAY_SIZE(formats); i++) { + if (formats[i].pixel_format == mode_cmd->pixel_format) { + format = &formats[i]; + break; + } + } - /* in case someone tries to feed us a completely bogus stride: */ - mode_cmd->pitch = align_pitch(mode_cmd->pitch, - mode_cmd->width, mode_cmd->bpp); + if (!format) { + dev_err(dev->dev, "unsupported pixel format: %4.4s\n", + (char *)&mode_cmd->pixel_format); + ret = -EINVAL; + goto fail; + } omap_fb = kzalloc(sizeof(*omap_fb), GFP_KERNEL); if (!omap_fb) { dev_err(dev->dev, "could not allocate fb\n"); + ret = -ENOMEM; goto fail; } @@ -216,19 +313,32 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, DBG("create: FB ID: %d (%p)", fb->base.id, fb); - size = PAGE_ALIGN(mode_cmd->pitch * mode_cmd->height); + omap_fb->format = format; - if (size > bo->size) { - dev_err(dev->dev, "provided buffer object is too small!\n"); - goto fail; - } + for (i = 0; i < n; i++) { + struct plane *plane = &omap_fb->planes[i]; + int size, pitch = mode_cmd->pitches[i]; + + if (pitch < (mode_cmd->width * format->planes[i].stride_bpp)) { + dev_err(dev->dev, "provided buffer pitch is too small! %d < %d\n", + pitch, mode_cmd->width * format->planes[i].stride_bpp); + ret = -EINVAL; + goto fail; + } - omap_fb->bo = bo; - omap_fb->size = size; + size = pitch * mode_cmd->height / format->planes[i].sub_y; - if (omap_gem_get_paddr(bo, &omap_fb->paddr, true)) { - dev_err(dev->dev, "could not map (paddr)!\n"); - goto fail; + if (size > (bos[i]->size - mode_cmd->offsets[i])) { + dev_err(dev->dev, "provided buffer object is too small! %d < %d\n", + bos[i]->size - mode_cmd->offsets[i], size); + ret = -EINVAL; + goto fail; + } + + plane->bo = bos[i]; + plane->offset = mode_cmd->offsets[i]; + plane->pitch = mode_cmd->pitches[i]; + plane->paddr = pitch; } drm_helper_mode_fill_fb_struct(fb, mode_cmd); @@ -239,5 +349,5 @@ fail: if (fb) { omap_framebuffer_destroy(fb); } - return NULL; + return ERR_PTR(ret); } diff --git a/drivers/staging/omapdrm/omap_fbdev.c b/drivers/staging/omapdrm/omap_fbdev.c index 093ae2f87b2084..96940bbfc6f433 100644 --- a/drivers/staging/omapdrm/omap_fbdev.c +++ b/drivers/staging/omapdrm/omap_fbdev.c @@ -129,10 +129,8 @@ static int omap_fbdev_create(struct drm_fb_helper *helper, struct drm_framebuffer *fb = NULL; union omap_gem_size gsize; struct fb_info *fbi = NULL; - struct drm_mode_fb_cmd mode_cmd = {0}; + struct drm_mode_fb_cmd2 mode_cmd = {0}; dma_addr_t paddr; - void __iomem *vaddr; - int size, screen_width; int ret; /* only doing ARGB32 since this is what is needed to alpha-blend @@ -145,36 +143,56 @@ static int omap_fbdev_create(struct drm_fb_helper *helper, sizes->surface_height, sizes->surface_bpp, sizes->fb_width, sizes->fb_height); + mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, + sizes->surface_depth); + mode_cmd.width = sizes->surface_width; mode_cmd.height = sizes->surface_height; - mode_cmd.bpp = sizes->surface_bpp; - mode_cmd.depth = sizes->surface_depth; - - mode_cmd.pitch = align_pitch( - mode_cmd.width * ((mode_cmd.bpp + 7) / 8), - mode_cmd.width, mode_cmd.bpp); + mode_cmd.pitches[0] = align_pitch( + mode_cmd.width * ((sizes->surface_bpp + 7) / 8), + mode_cmd.width, sizes->surface_bpp); fbdev->ywrap_enabled = priv->has_dmm && ywrap_enabled; if (fbdev->ywrap_enabled) { /* need to align pitch to page size if using DMM scrolling */ - mode_cmd.pitch = ALIGN(mode_cmd.pitch, PAGE_SIZE); + mode_cmd.pitches[0] = ALIGN(mode_cmd.pitches[0], PAGE_SIZE); } /* allocate backing bo */ gsize = (union omap_gem_size){ - .bytes = PAGE_ALIGN(mode_cmd.pitch * mode_cmd.height), + .bytes = PAGE_ALIGN(mode_cmd.pitches[0] * mode_cmd.height), }; DBG("allocating %d bytes for fb %d", gsize.bytes, dev->primary->index); fbdev->bo = omap_gem_new(dev, gsize, OMAP_BO_SCANOUT | OMAP_BO_WC); if (!fbdev->bo) { dev_err(dev->dev, "failed to allocate buffer object\n"); + ret = -ENOMEM; goto fail; } - fb = omap_framebuffer_init(dev, &mode_cmd, fbdev->bo); - if (!fb) { + fb = omap_framebuffer_init(dev, &mode_cmd, &fbdev->bo); + if (IS_ERR(fb)) { dev_err(dev->dev, "failed to allocate fb\n"); + /* note: if fb creation failed, we can't rely on fb destroy + * to unref the bo: + */ + drm_gem_object_unreference(fbdev->bo); + ret = PTR_ERR(fb); + goto fail; + } + + /* note: this keeps the bo pinned.. which is perhaps not ideal, + * but is needed as long as we use fb_mmap() to mmap to userspace + * (since this happens using fix.smem_start). Possibly we could + * implement our own mmap using GEM mmap support to avoid this + * (non-tiled buffer doesn't need to be pinned for fbcon to write + * to it). Then we just need to be sure that we are able to re- + * pin it in case of an opps. + */ + ret = omap_gem_get_paddr(fbdev->bo, &paddr, true); + if (ret) { + dev_err(dev->dev, "could not map (paddr)!\n"); ret = -ENOMEM; goto fail; } @@ -206,18 +224,15 @@ static int omap_fbdev_create(struct drm_fb_helper *helper, goto fail_unlock; } - drm_fb_helper_fill_fix(fbi, fb->pitch, fb->depth); + drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(fbi, helper, sizes->fb_width, sizes->fb_height); - size = omap_framebuffer_get_buffer(fb, 0, 0, - &vaddr, &paddr, &screen_width); - dev->mode_config.fb_base = paddr; - fbi->screen_base = vaddr; - fbi->screen_size = size; + fbi->screen_base = omap_gem_vaddr(fbdev->bo); + fbi->screen_size = fbdev->bo->size; fbi->fix.smem_start = paddr; - fbi->fix.smem_len = size; + fbi->fix.smem_len = fbdev->bo->size; /* if we have DMM, then we can use it for scrolling by just * shuffling pages around in DMM rather than doing sw blit. @@ -362,11 +377,11 @@ void omap_fbdev_free(struct drm_device *dev) fbdev = to_omap_fbdev(priv->fbdev); - kfree(fbdev); - /* this will free the backing object */ if (fbdev->fb) fbdev->fb->funcs->destroy(fbdev->fb); + kfree(fbdev); + priv->fbdev = NULL; } diff --git a/drivers/staging/omapdrm/omap_gem.c b/drivers/staging/omapdrm/omap_gem.c index e0ebd1d139f6c0..b7d6f886c5cf7c 100644 --- a/drivers/staging/omapdrm/omap_gem.c +++ b/drivers/staging/omapdrm/omap_gem.c @@ -116,6 +116,9 @@ struct omap_gem_object { } *sync; }; +static int get_pages(struct drm_gem_object *obj, struct page ***pages); +static uint64_t mmap_offset(struct drm_gem_object *obj); + /* To deal with userspace mmap'ings of 2d tiled buffers, which (a) are * not necessarily pinned in TILER all the time, and (b) when they are * they are not necessarily page aligned, we reserve one or more small @@ -149,7 +152,7 @@ static void evict_entry(struct drm_gem_object *obj, { if (obj->dev->dev_mapping) { size_t size = PAGE_SIZE * usergart[fmt].height; - loff_t off = omap_gem_mmap_offset(obj) + + loff_t off = mmap_offset(obj) + (entry->obj_pgoff << PAGE_SHIFT); unmap_mapping_range(obj->dev->dev_mapping, off, size, 1); } @@ -189,8 +192,6 @@ static inline bool is_shmem(struct drm_gem_object *obj) return obj->filp != NULL; } -static int get_pages(struct drm_gem_object *obj, struct page ***pages); - static DEFINE_SPINLOCK(sync_lock); /** ensure backing pages are allocated */ @@ -251,7 +252,7 @@ static void omap_gem_detach_pages(struct drm_gem_object *obj) } /** get mmap offset */ -uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj) +static uint64_t mmap_offset(struct drm_gem_object *obj) { if (!obj->map_list.map) { /* Make it mmapable */ @@ -267,6 +268,15 @@ uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj) return (uint64_t)obj->map_list.hash.key << PAGE_SHIFT; } +uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj) +{ + uint64_t offset; + mutex_lock(&obj->dev->struct_mutex); + offset = mmap_offset(obj); + mutex_unlock(&obj->dev->struct_mutex); + return offset; +} + /** get mmap size */ size_t omap_gem_mmap_size(struct drm_gem_object *obj) { @@ -1034,6 +1044,11 @@ void omap_gem_free_object(struct drm_gem_object *obj) drm_gem_free_mmap_offset(obj); } + /* this means the object is still pinned.. which really should + * not happen. I think.. + */ + WARN_ON(omap_obj->paddr_cnt > 0); + /* don't free externally allocated backing memory */ if (!(omap_obj->flags & OMAP_BO_EXT_MEM)) { if (omap_obj->pages) { diff --git a/drivers/staging/omapdrm/omap_plane.c b/drivers/staging/omapdrm/omap_plane.c new file mode 100644 index 00000000000000..97909124a1feda --- /dev/null +++ b/drivers/staging/omapdrm/omap_plane.c @@ -0,0 +1,344 @@ +/* + * drivers/staging/omapdrm/omap_plane.c + * + * Copyright (C) 2011 Texas Instruments + * Author: Rob Clark <rob.clark@linaro.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "omap_drv.h" + +/* some hackery because omapdss has an 'enum omap_plane' (which would be + * better named omap_plane_id).. and compiler seems unhappy about having + * both a 'struct omap_plane' and 'enum omap_plane' + */ +#define omap_plane _omap_plane + +/* + * plane funcs + */ + +#define to_omap_plane(x) container_of(x, struct omap_plane, base) + +struct omap_plane { + struct drm_plane base; + struct omap_overlay *ovl; + struct omap_overlay_info info; + + /* Source values, converted to integers because we don't support + * fractional positions: + */ + unsigned int src_x, src_y; + + /* last fb that we pinned: */ + struct drm_framebuffer *pinned_fb; +}; + + +/* push changes down to dss2 */ +static int commit(struct drm_plane *plane) +{ + struct drm_device *dev = plane->dev; + struct omap_plane *omap_plane = to_omap_plane(plane); + struct omap_overlay *ovl = omap_plane->ovl; + struct omap_overlay_info *info = &omap_plane->info; + int ret; + + DBG("%s", ovl->name); + DBG("%dx%d -> %dx%d (%d)", info->width, info->height, info->out_width, + info->out_height, info->screen_width); + DBG("%d,%d %08x %08x", info->pos_x, info->pos_y, + info->paddr, info->p_uv_addr); + + /* NOTE: do we want to do this at all here, or just wait + * for dpms(ON) since other CRTC's may not have their mode + * set yet, so fb dimensions may still change.. + */ + ret = ovl->set_overlay_info(ovl, info); + if (ret) { + dev_err(dev->dev, "could not set overlay info\n"); + return ret; + } + + /* our encoder doesn't necessarily get a commit() after this, in + * particular in the dpms() and mode_set_base() cases, so force the + * manager to update: + * + * could this be in the encoder somehow? + */ + if (ovl->manager) { + ret = ovl->manager->apply(ovl->manager); + if (ret) { + dev_err(dev->dev, "could not apply settings\n"); + return ret; + } + } + + if (ovl->is_enabled(ovl)) { + omap_framebuffer_flush(plane->fb, info->pos_x, info->pos_y, + info->out_width, info->out_height); + } + + return 0; +} + +/* when CRTC that we are attached to has potentially changed, this checks + * if we are attached to proper manager, and if necessary updates. + */ +static void update_manager(struct drm_plane *plane) +{ + struct omap_drm_private *priv = plane->dev->dev_private; + struct omap_plane *omap_plane = to_omap_plane(plane); + struct omap_overlay *ovl = omap_plane->ovl; + struct omap_overlay_manager *mgr = NULL; + int i; + + if (plane->crtc) { + for (i = 0; i < priv->num_encoders; i++) { + struct drm_encoder *encoder = priv->encoders[i]; + if (encoder->crtc == plane->crtc) { + mgr = omap_encoder_get_manager(encoder); + break; + } + } + } + + if (ovl->manager != mgr) { + bool enabled = ovl->is_enabled(ovl); + + /* don't switch things around with enabled overlays: */ + if (enabled) + omap_plane_dpms(plane, DRM_MODE_DPMS_OFF); + + if (ovl->manager) { + DBG("disconnecting %s from %s", ovl->name, + ovl->manager->name); + ovl->unset_manager(ovl); + } + + if (mgr) { + DBG("connecting %s to %s", ovl->name, mgr->name); + ovl->set_manager(ovl, mgr); + } + + if (enabled && mgr) + omap_plane_dpms(plane, DRM_MODE_DPMS_ON); + } +} + +/* update which fb (if any) is pinned for scanout */ +static int update_pin(struct drm_plane *plane, struct drm_framebuffer *fb) +{ + struct omap_plane *omap_plane = to_omap_plane(plane); + int ret = 0; + + if (omap_plane->pinned_fb != fb) { + if (omap_plane->pinned_fb) + omap_framebuffer_unpin(omap_plane->pinned_fb); + omap_plane->pinned_fb = fb; + if (fb) + ret = omap_framebuffer_pin(fb); + } + + return ret; +} + +/* update parameters that are dependent on the framebuffer dimensions and + * position within the fb that this plane scans out from. This is called + * when framebuffer or x,y base may have changed. + */ +static void update_scanout(struct drm_plane *plane) +{ + struct omap_plane *omap_plane = to_omap_plane(plane); + struct omap_overlay_info *info = &omap_plane->info; + int ret; + + ret = update_pin(plane, plane->fb); + if (ret) { + dev_err(plane->dev->dev, + "could not pin fb: %d\n", ret); + omap_plane_dpms(plane, DRM_MODE_DPMS_OFF); + return; + } + + omap_framebuffer_update_scanout(plane->fb, + omap_plane->src_x, omap_plane->src_y, info); + + DBG("%s: %d,%d: %08x %08x (%d)", omap_plane->ovl->name, + omap_plane->src_x, omap_plane->src_y, + (u32)info->paddr, (u32)info->p_uv_addr, + info->screen_width); +} + +int omap_plane_mode_set(struct drm_plane *plane, + struct drm_crtc *crtc, struct drm_framebuffer *fb, + int crtc_x, int crtc_y, + unsigned int crtc_w, unsigned int crtc_h, + uint32_t src_x, uint32_t src_y, + uint32_t src_w, uint32_t src_h) +{ + struct omap_plane *omap_plane = to_omap_plane(plane); + + /* src values are in Q16 fixed point, convert to integer: */ + src_x = src_x >> 16; + src_y = src_y >> 16; + src_w = src_w >> 16; + src_h = src_h >> 16; + + omap_plane->info.pos_x = crtc_x; + omap_plane->info.pos_y = crtc_y; + omap_plane->info.out_width = crtc_w; + omap_plane->info.out_height = crtc_h; + omap_plane->info.width = src_w; + omap_plane->info.height = src_h; + omap_plane->src_x = src_x; + omap_plane->src_y = src_y; + + /* note: this is done after this fxn returns.. but if we need + * to do a commit/update_scanout, etc before this returns we + * need the current value. + */ + plane->fb = fb; + plane->crtc = crtc; + + update_scanout(plane); + update_manager(plane); + + return 0; +} + +static int omap_plane_update(struct drm_plane *plane, + struct drm_crtc *crtc, struct drm_framebuffer *fb, + int crtc_x, int crtc_y, + unsigned int crtc_w, unsigned int crtc_h, + uint32_t src_x, uint32_t src_y, + uint32_t src_w, uint32_t src_h) +{ + omap_plane_mode_set(plane, crtc, fb, crtc_x, crtc_y, crtc_w, crtc_h, + src_x, src_y, src_w, src_h); + return omap_plane_dpms(plane, DRM_MODE_DPMS_ON); +} + +static int omap_plane_disable(struct drm_plane *plane) +{ + return omap_plane_dpms(plane, DRM_MODE_DPMS_OFF); +} + +static void omap_plane_destroy(struct drm_plane *plane) +{ + struct omap_plane *omap_plane = to_omap_plane(plane); + DBG("%s", omap_plane->ovl->name); + omap_plane_disable(plane); + drm_plane_cleanup(plane); + kfree(omap_plane); +} + +int omap_plane_dpms(struct drm_plane *plane, int mode) +{ + struct omap_plane *omap_plane = to_omap_plane(plane); + struct omap_overlay *ovl = omap_plane->ovl; + int r; + + DBG("%s: %d", omap_plane->ovl->name, mode); + + if (mode == DRM_MODE_DPMS_ON) { + update_scanout(plane); + r = commit(plane); + if (!r) + r = ovl->enable(ovl); + } else { + r = ovl->disable(ovl); + update_pin(plane, NULL); + } + + return r; +} + +static const struct drm_plane_funcs omap_plane_funcs = { + .update_plane = omap_plane_update, + .disable_plane = omap_plane_disable, + .destroy = omap_plane_destroy, +}; + +static const uint32_t formats[] = { + DRM_FORMAT_RGB565, + DRM_FORMAT_RGBX4444, + DRM_FORMAT_XRGB4444, + DRM_FORMAT_RGBA4444, + DRM_FORMAT_ABGR4444, + DRM_FORMAT_XRGB1555, + DRM_FORMAT_ARGB1555, + DRM_FORMAT_RGB888, + DRM_FORMAT_RGBX8888, + DRM_FORMAT_XRGB8888, + DRM_FORMAT_RGBA8888, + DRM_FORMAT_ARGB8888, + DRM_FORMAT_NV12, + DRM_FORMAT_YUYV, + DRM_FORMAT_UYVY, +}; + +/* initialize plane */ +struct drm_plane *omap_plane_init(struct drm_device *dev, + struct omap_overlay *ovl, unsigned int possible_crtcs, + bool priv) +{ + struct drm_plane *plane = NULL; + struct omap_plane *omap_plane; + + DBG("%s: possible_crtcs=%08x, priv=%d", ovl->name, + possible_crtcs, priv); + + omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL); + if (!omap_plane) { + dev_err(dev->dev, "could not allocate plane\n"); + goto fail; + } + + omap_plane->ovl = ovl; + plane = &omap_plane->base; + + drm_plane_init(dev, plane, possible_crtcs, &omap_plane_funcs, + formats, ARRAY_SIZE(formats), priv); + + /* get our starting configuration, set defaults for parameters + * we don't currently use, etc: + */ + ovl->get_overlay_info(ovl, &omap_plane->info); + omap_plane->info.rotation_type = OMAP_DSS_ROT_DMA; + omap_plane->info.rotation = OMAP_DSS_ROT_0; + omap_plane->info.global_alpha = 0xff; + omap_plane->info.mirror = 0; + omap_plane->info.mirror = 0; + + /* Set defaults depending on whether we are a CRTC or overlay + * layer. + * TODO add ioctl to give userspace an API to change this.. this + * will come in a subsequent patch. + */ + if (priv) + omap_plane->info.zorder = 0; + else + omap_plane->info.zorder = 1; + + update_manager(plane); + + return plane; + +fail: + if (plane) { + omap_plane_destroy(plane); + } + return NULL; +} diff --git a/drivers/staging/omapdrm/omap_priv.h b/drivers/staging/omapdrm/omap_priv.h index c324709aa9a1d9..ef644144714739 100644 --- a/drivers/staging/omapdrm/omap_priv.h +++ b/drivers/staging/omapdrm/omap_priv.h @@ -27,14 +27,22 @@ * pipes/overlays/CRTCs are used.. if this is not provided, then instead the * first CONFIG_DRM_OMAP_NUM_CRTCS are used, and they are each connected to * one manager, with priority given to managers that are connected to - * detected devices. This should be a good default behavior for most cases, - * but yet there still might be times when you wish to do something different. + * detected devices. Remaining overlays are used as video planes. This + * should be a good default behavior for most cases, but yet there still + * might be times when you wish to do something different. */ struct omap_kms_platform_data { + /* overlays to use as CRTCs: */ int ovl_cnt; const int *ovl_ids; + + /* overlays to use as video planes: */ + int pln_cnt; + const int *pln_ids; + int mgr_cnt; const int *mgr_ids; + int dev_cnt; const char **dev_names; }; diff --git a/drivers/staging/pohmelfs/Kconfig b/drivers/staging/pohmelfs/Kconfig deleted file mode 100644 index 8d53b1a1e71516..00000000000000 --- a/drivers/staging/pohmelfs/Kconfig +++ /dev/null @@ -1,20 +0,0 @@ -config POHMELFS - tristate "POHMELFS filesystem support" - depends on NET - select CONNECTOR - select CRYPTO - select CRYPTO_BLKCIPHER - select CRYPTO_HMAC - help - POHMELFS stands for Parallel Optimized Host Message Exchange Layered - File System. This is a network filesystem which supports coherent - caching of data and metadata on clients. - -config POHMELFS_DEBUG - bool "POHMELFS debugging" - depends on POHMELFS - default n - help - Turns on excessive POHMELFS debugging facilities. - You usually do not want to slow things down noticeably and get really - lots of kernel messages in syslog. diff --git a/drivers/staging/pohmelfs/Makefile b/drivers/staging/pohmelfs/Makefile deleted file mode 100644 index 196561ca26bc7a..00000000000000 --- a/drivers/staging/pohmelfs/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -obj-$(CONFIG_POHMELFS) += pohmelfs.o - -pohmelfs-y := inode.o config.o dir.o net.o path_entry.o trans.o crypto.o lock.o mcache.o diff --git a/drivers/staging/pohmelfs/config.c b/drivers/staging/pohmelfs/config.c deleted file mode 100644 index b6c42cb0d1c642..00000000000000 --- a/drivers/staging/pohmelfs/config.c +++ /dev/null @@ -1,611 +0,0 @@ -/* - * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net> - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/kernel.h> -#include <linux/connector.h> -#include <linux/crypto.h> -#include <linux/list.h> -#include <linux/mutex.h> -#include <linux/string.h> -#include <linux/in.h> -#include <linux/slab.h> - -#include "netfs.h" - -/* - * Global configuration list. - * Each client can be asked to get one of them. - * - * Allows to provide remote server address (ipv4/v6/whatever), port - * and so on via kernel connector. - */ - -static struct cb_id pohmelfs_cn_id = {.idx = POHMELFS_CN_IDX, .val = POHMELFS_CN_VAL}; -static LIST_HEAD(pohmelfs_config_list); -static DEFINE_MUTEX(pohmelfs_config_lock); - -static inline int pohmelfs_config_eql(struct pohmelfs_ctl *sc, struct pohmelfs_ctl *ctl) -{ - if (sc->idx == ctl->idx && sc->type == ctl->type && - sc->proto == ctl->proto && - sc->addrlen == ctl->addrlen && - !memcmp(&sc->addr, &ctl->addr, ctl->addrlen)) - return 1; - - return 0; -} - -static struct pohmelfs_config_group *pohmelfs_find_config_group(unsigned int idx) -{ - struct pohmelfs_config_group *g, *group = NULL; - - list_for_each_entry(g, &pohmelfs_config_list, group_entry) { - if (g->idx == idx) { - group = g; - break; - } - } - - return group; -} - -static struct pohmelfs_config_group *pohmelfs_find_create_config_group(unsigned int idx) -{ - struct pohmelfs_config_group *g; - - g = pohmelfs_find_config_group(idx); - if (g) - return g; - - g = kzalloc(sizeof(struct pohmelfs_config_group), GFP_KERNEL); - if (!g) - return NULL; - - INIT_LIST_HEAD(&g->config_list); - g->idx = idx; - g->num_entry = 0; - - list_add_tail(&g->group_entry, &pohmelfs_config_list); - - return g; -} - -static inline void pohmelfs_insert_config_entry(struct pohmelfs_sb *psb, struct pohmelfs_config *dst) -{ - struct pohmelfs_config *tmp; - - INIT_LIST_HEAD(&dst->config_entry); - - list_for_each_entry(tmp, &psb->state_list, config_entry) { - if (dst->state.ctl.prio > tmp->state.ctl.prio) - list_add_tail(&dst->config_entry, &tmp->config_entry); - } - if (list_empty(&dst->config_entry)) - list_add_tail(&dst->config_entry, &psb->state_list); -} - -static int pohmelfs_move_config_entry(struct pohmelfs_sb *psb, - struct pohmelfs_config *dst, struct pohmelfs_config *new) -{ - if ((dst->state.ctl.prio == new->state.ctl.prio) && - (dst->state.ctl.perm == new->state.ctl.perm)) - return 0; - - dprintk("%s: dst: prio: %d, perm: %x, new: prio: %d, perm: %d.\n", - __func__, dst->state.ctl.prio, dst->state.ctl.perm, - new->state.ctl.prio, new->state.ctl.perm); - dst->state.ctl.prio = new->state.ctl.prio; - dst->state.ctl.perm = new->state.ctl.perm; - - list_del_init(&dst->config_entry); - pohmelfs_insert_config_entry(psb, dst); - return 0; -} - -/* - * pohmelfs_copy_config() is used to copy new state configs from the - * config group (controlled by the netlink messages) into the superblock. - * This happens either at startup time where no transactions can access - * the list of the configs (and thus list of the network states), or at - * run-time, where it is protected by the psb->state_lock. - */ -int pohmelfs_copy_config(struct pohmelfs_sb *psb) -{ - struct pohmelfs_config_group *g; - struct pohmelfs_config *c, *dst; - int err = -ENODEV; - - mutex_lock(&pohmelfs_config_lock); - - g = pohmelfs_find_config_group(psb->idx); - if (!g) - goto out_unlock; - - /* - * Run over all entries in given config group and try to create and - * initialize those, which do not exist in superblock list. - * Skip all existing entries. - */ - - list_for_each_entry(c, &g->config_list, config_entry) { - err = 0; - list_for_each_entry(dst, &psb->state_list, config_entry) { - if (pohmelfs_config_eql(&dst->state.ctl, &c->state.ctl)) { - err = pohmelfs_move_config_entry(psb, dst, c); - if (!err) - err = -EEXIST; - break; - } - } - - if (err) - continue; - - dst = kzalloc(sizeof(struct pohmelfs_config), GFP_KERNEL); - if (!dst) { - err = -ENOMEM; - break; - } - - memcpy(&dst->state.ctl, &c->state.ctl, sizeof(struct pohmelfs_ctl)); - - pohmelfs_insert_config_entry(psb, dst); - - err = pohmelfs_state_init_one(psb, dst); - if (err) { - list_del(&dst->config_entry); - kfree(dst); - } - - err = 0; - } - -out_unlock: - mutex_unlock(&pohmelfs_config_lock); - - return err; -} - -int pohmelfs_copy_crypto(struct pohmelfs_sb *psb) -{ - struct pohmelfs_config_group *g; - int err = -ENOENT; - - mutex_lock(&pohmelfs_config_lock); - g = pohmelfs_find_config_group(psb->idx); - if (!g) - goto err_out_exit; - - if (g->hash_string) { - err = -ENOMEM; - psb->hash_string = kstrdup(g->hash_string, GFP_KERNEL); - if (!psb->hash_string) - goto err_out_exit; - psb->hash_strlen = g->hash_strlen; - } - - if (g->cipher_string) { - psb->cipher_string = kstrdup(g->cipher_string, GFP_KERNEL); - if (!psb->cipher_string) - goto err_out_free_hash_string; - psb->cipher_strlen = g->cipher_strlen; - } - - if (g->hash_keysize) { - psb->hash_key = kmemdup(g->hash_key, g->hash_keysize, - GFP_KERNEL); - if (!psb->hash_key) - goto err_out_free_cipher_string; - psb->hash_keysize = g->hash_keysize; - } - - if (g->cipher_keysize) { - psb->cipher_key = kmemdup(g->cipher_key, g->cipher_keysize, - GFP_KERNEL); - if (!psb->cipher_key) - goto err_out_free_hash; - psb->cipher_keysize = g->cipher_keysize; - } - - mutex_unlock(&pohmelfs_config_lock); - - return 0; - -err_out_free_hash: - kfree(psb->hash_key); -err_out_free_cipher_string: - kfree(psb->cipher_string); -err_out_free_hash_string: - kfree(psb->hash_string); -err_out_exit: - mutex_unlock(&pohmelfs_config_lock); - return err; -} - -static int pohmelfs_send_reply(int err, int msg_num, int action, struct cn_msg *msg, struct pohmelfs_ctl *ctl) -{ - struct pohmelfs_cn_ack *ack; - - ack = kzalloc(sizeof(struct pohmelfs_cn_ack), GFP_KERNEL); - if (!ack) - return -ENOMEM; - - memcpy(&ack->msg, msg, sizeof(struct cn_msg)); - - if (action == POHMELFS_CTLINFO_ACK) - memcpy(&ack->ctl, ctl, sizeof(struct pohmelfs_ctl)); - - ack->msg.len = sizeof(struct pohmelfs_cn_ack) - sizeof(struct cn_msg); - ack->msg.ack = msg->ack + 1; - ack->error = err; - ack->msg_num = msg_num; - - cn_netlink_send(&ack->msg, 0, GFP_KERNEL); - kfree(ack); - return 0; -} - -static int pohmelfs_cn_disp(struct cn_msg *msg) -{ - struct pohmelfs_config_group *g; - struct pohmelfs_ctl *ctl = (struct pohmelfs_ctl *)msg->data; - struct pohmelfs_config *c, *tmp; - int err = 0, i = 1; - - if (msg->len != sizeof(struct pohmelfs_ctl)) - return -EBADMSG; - - mutex_lock(&pohmelfs_config_lock); - - g = pohmelfs_find_config_group(ctl->idx); - if (!g) { - pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL); - goto out_unlock; - } - - list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) { - struct pohmelfs_ctl *sc = &c->state.ctl; - if (pohmelfs_send_reply(err, g->num_entry - i, POHMELFS_CTLINFO_ACK, msg, sc)) { - err = -ENOMEM; - goto out_unlock; - } - i += 1; - } - - out_unlock: - mutex_unlock(&pohmelfs_config_lock); - return err; -} - -static int pohmelfs_cn_dump(struct cn_msg *msg) -{ - struct pohmelfs_config_group *g; - struct pohmelfs_config *c, *tmp; - int err = 0, i = 1; - int total_msg = 0; - - if (msg->len != sizeof(struct pohmelfs_ctl)) - return -EBADMSG; - - mutex_lock(&pohmelfs_config_lock); - - list_for_each_entry(g, &pohmelfs_config_list, group_entry) - total_msg += g->num_entry; - if (total_msg == 0) { - if (pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL)) - err = -ENOMEM; - goto out_unlock; - } - - list_for_each_entry(g, &pohmelfs_config_list, group_entry) { - list_for_each_entry_safe(c, tmp, &g->config_list, - config_entry) { - struct pohmelfs_ctl *sc = &c->state.ctl; - if (pohmelfs_send_reply(err, total_msg - i, - POHMELFS_CTLINFO_ACK, msg, - sc)) { - err = -ENOMEM; - goto out_unlock; - } - i += 1; - } - } - -out_unlock: - mutex_unlock(&pohmelfs_config_lock); - return err; -} - -static int pohmelfs_cn_flush(struct cn_msg *msg) -{ - struct pohmelfs_config_group *g; - struct pohmelfs_ctl *ctl = (struct pohmelfs_ctl *)msg->data; - struct pohmelfs_config *c, *tmp; - int err = 0; - - if (msg->len != sizeof(struct pohmelfs_ctl)) - return -EBADMSG; - - mutex_lock(&pohmelfs_config_lock); - - if (ctl->idx != POHMELFS_NULL_IDX) { - g = pohmelfs_find_config_group(ctl->idx); - - if (!g) - goto out_unlock; - - list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) { - list_del(&c->config_entry); - g->num_entry--; - kfree(c); - } - } else { - list_for_each_entry(g, &pohmelfs_config_list, group_entry) { - list_for_each_entry_safe(c, tmp, &g->config_list, - config_entry) { - list_del(&c->config_entry); - g->num_entry--; - kfree(c); - } - } - } - -out_unlock: - mutex_unlock(&pohmelfs_config_lock); - pohmelfs_cn_dump(msg); - - return err; -} - -static int pohmelfs_modify_config(struct pohmelfs_ctl *old, struct pohmelfs_ctl *new) -{ - old->perm = new->perm; - old->prio = new->prio; - return 0; -} - -static int pohmelfs_cn_ctl(struct cn_msg *msg, int action) -{ - struct pohmelfs_config_group *g; - struct pohmelfs_ctl *ctl = (struct pohmelfs_ctl *)msg->data; - struct pohmelfs_config *c, *tmp; - int err = 0; - - if (msg->len != sizeof(struct pohmelfs_ctl)) - return -EBADMSG; - - mutex_lock(&pohmelfs_config_lock); - - g = pohmelfs_find_create_config_group(ctl->idx); - if (!g) { - err = -ENOMEM; - goto out_unlock; - } - - list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) { - struct pohmelfs_ctl *sc = &c->state.ctl; - - if (pohmelfs_config_eql(sc, ctl)) { - if (action == POHMELFS_FLAGS_ADD) { - err = -EEXIST; - goto out_unlock; - } else if (action == POHMELFS_FLAGS_DEL) { - list_del(&c->config_entry); - g->num_entry--; - kfree(c); - goto out_unlock; - } else if (action == POHMELFS_FLAGS_MODIFY) { - err = pohmelfs_modify_config(sc, ctl); - goto out_unlock; - } else { - err = -EEXIST; - goto out_unlock; - } - } - } - if (action == POHMELFS_FLAGS_DEL) { - err = -EBADMSG; - goto out_unlock; - } - - c = kzalloc(sizeof(struct pohmelfs_config), GFP_KERNEL); - if (!c) { - err = -ENOMEM; - goto out_unlock; - } - memcpy(&c->state.ctl, ctl, sizeof(struct pohmelfs_ctl)); - g->num_entry++; - - list_add_tail(&c->config_entry, &g->config_list); - - out_unlock: - mutex_unlock(&pohmelfs_config_lock); - if (pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL)) - err = -ENOMEM; - - return err; -} - -static int pohmelfs_crypto_hash_init(struct pohmelfs_config_group *g, struct pohmelfs_crypto *c) -{ - char *algo = (char *)c->data; - u8 *key = (u8 *)(algo + c->strlen); - - if (g->hash_string) - return -EEXIST; - - g->hash_string = kstrdup(algo, GFP_KERNEL); - if (!g->hash_string) - return -ENOMEM; - g->hash_strlen = c->strlen; - g->hash_keysize = c->keysize; - - g->hash_key = kmemdup(key, c->keysize, GFP_KERNEL); - if (!g->hash_key) { - kfree(g->hash_string); - return -ENOMEM; - } - - return 0; -} - -static int pohmelfs_crypto_cipher_init(struct pohmelfs_config_group *g, struct pohmelfs_crypto *c) -{ - char *algo = (char *)c->data; - u8 *key = (u8 *)(algo + c->strlen); - - if (g->cipher_string) - return -EEXIST; - - g->cipher_string = kstrdup(algo, GFP_KERNEL); - if (!g->cipher_string) - return -ENOMEM; - g->cipher_strlen = c->strlen; - g->cipher_keysize = c->keysize; - - g->cipher_key = kmemdup(key, c->keysize, GFP_KERNEL); - if (!g->cipher_key) { - kfree(g->cipher_string); - return -ENOMEM; - } - - return 0; -} - -static int pohmelfs_cn_crypto(struct cn_msg *msg) -{ - struct pohmelfs_crypto *crypto = (struct pohmelfs_crypto *)msg->data; - struct pohmelfs_config_group *g; - int err = 0; - - dprintk("%s: idx: %u, strlen: %u, type: %u, keysize: %u, algo: %s.\n", - __func__, crypto->idx, crypto->strlen, crypto->type, - crypto->keysize, (char *)crypto->data); - - mutex_lock(&pohmelfs_config_lock); - g = pohmelfs_find_create_config_group(crypto->idx); - if (!g) { - err = -ENOMEM; - goto out_unlock; - } - - switch (crypto->type) { - case POHMELFS_CRYPTO_HASH: - err = pohmelfs_crypto_hash_init(g, crypto); - break; - case POHMELFS_CRYPTO_CIPHER: - err = pohmelfs_crypto_cipher_init(g, crypto); - break; - default: - err = -ENOTSUPP; - break; - } - -out_unlock: - mutex_unlock(&pohmelfs_config_lock); - if (pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL)) - err = -ENOMEM; - - return err; -} - -static void pohmelfs_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp) -{ - int err; - - if (!cap_raised(current_cap(), CAP_SYS_ADMIN)) - return; - - switch (msg->flags) { - case POHMELFS_FLAGS_ADD: - case POHMELFS_FLAGS_DEL: - case POHMELFS_FLAGS_MODIFY: - err = pohmelfs_cn_ctl(msg, msg->flags); - break; - case POHMELFS_FLAGS_FLUSH: - err = pohmelfs_cn_flush(msg); - break; - case POHMELFS_FLAGS_SHOW: - err = pohmelfs_cn_disp(msg); - break; - case POHMELFS_FLAGS_DUMP: - err = pohmelfs_cn_dump(msg); - break; - case POHMELFS_FLAGS_CRYPTO: - err = pohmelfs_cn_crypto(msg); - break; - default: - err = -ENOSYS; - break; - } -} - -int pohmelfs_config_check(struct pohmelfs_config *config, int idx) -{ - struct pohmelfs_ctl *ctl = &config->state.ctl; - struct pohmelfs_config *tmp; - int err = -ENOENT; - struct pohmelfs_ctl *sc; - struct pohmelfs_config_group *g; - - mutex_lock(&pohmelfs_config_lock); - - g = pohmelfs_find_config_group(ctl->idx); - if (g) { - list_for_each_entry(tmp, &g->config_list, config_entry) { - sc = &tmp->state.ctl; - - if (pohmelfs_config_eql(sc, ctl)) { - err = 0; - break; - } - } - } - - mutex_unlock(&pohmelfs_config_lock); - - return err; -} - -int __init pohmelfs_config_init(void) -{ - /* XXX remove (void *) cast when vanilla connector got synced */ - return cn_add_callback(&pohmelfs_cn_id, "pohmelfs", (void *)pohmelfs_cn_callback); -} - -void pohmelfs_config_exit(void) -{ - struct pohmelfs_config *c, *tmp; - struct pohmelfs_config_group *g, *gtmp; - - cn_del_callback(&pohmelfs_cn_id); - - mutex_lock(&pohmelfs_config_lock); - list_for_each_entry_safe(g, gtmp, &pohmelfs_config_list, group_entry) { - list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) { - list_del(&c->config_entry); - kfree(c); - } - - list_del(&g->group_entry); - - kfree(g->hash_string); - - kfree(g->cipher_string); - - kfree(g); - } - mutex_unlock(&pohmelfs_config_lock); -} diff --git a/drivers/staging/pohmelfs/crypto.c b/drivers/staging/pohmelfs/crypto.c deleted file mode 100644 index ad92771dce5713..00000000000000 --- a/drivers/staging/pohmelfs/crypto.c +++ /dev/null @@ -1,878 +0,0 @@ -/* - * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net> - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/crypto.h> -#include <linux/highmem.h> -#include <linux/kthread.h> -#include <linux/pagemap.h> -#include <linux/scatterlist.h> -#include <linux/slab.h> - -#include "netfs.h" - -static struct crypto_hash *pohmelfs_init_hash(struct pohmelfs_sb *psb) -{ - int err; - struct crypto_hash *hash; - - hash = crypto_alloc_hash(psb->hash_string, 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(hash)) { - err = PTR_ERR(hash); - dprintk("%s: idx: %u: failed to allocate hash '%s', err: %d.\n", - __func__, psb->idx, psb->hash_string, err); - goto err_out_exit; - } - - psb->crypto_attached_size = crypto_hash_digestsize(hash); - - if (!psb->hash_keysize) - return hash; - - err = crypto_hash_setkey(hash, psb->hash_key, psb->hash_keysize); - if (err) { - dprintk("%s: idx: %u: failed to set key for hash '%s', err: %d.\n", - __func__, psb->idx, psb->hash_string, err); - goto err_out_free; - } - - return hash; - -err_out_free: - crypto_free_hash(hash); -err_out_exit: - return ERR_PTR(err); -} - -static struct crypto_ablkcipher *pohmelfs_init_cipher(struct pohmelfs_sb *psb) -{ - int err = -EINVAL; - struct crypto_ablkcipher *cipher; - - if (!psb->cipher_keysize) - goto err_out_exit; - - cipher = crypto_alloc_ablkcipher(psb->cipher_string, 0, 0); - if (IS_ERR(cipher)) { - err = PTR_ERR(cipher); - dprintk("%s: idx: %u: failed to allocate cipher '%s', err: %d.\n", - __func__, psb->idx, psb->cipher_string, err); - goto err_out_exit; - } - - crypto_ablkcipher_clear_flags(cipher, ~0); - - err = crypto_ablkcipher_setkey(cipher, psb->cipher_key, psb->cipher_keysize); - if (err) { - dprintk("%s: idx: %u: failed to set key for cipher '%s', err: %d.\n", - __func__, psb->idx, psb->cipher_string, err); - goto err_out_free; - } - - return cipher; - -err_out_free: - crypto_free_ablkcipher(cipher); -err_out_exit: - return ERR_PTR(err); -} - -int pohmelfs_crypto_engine_init(struct pohmelfs_crypto_engine *e, struct pohmelfs_sb *psb) -{ - int err; - - e->page_num = 0; - - e->size = PAGE_SIZE; - e->data = kmalloc(e->size, GFP_KERNEL); - if (!e->data) { - err = -ENOMEM; - goto err_out_exit; - } - - if (psb->hash_string) { - e->hash = pohmelfs_init_hash(psb); - if (IS_ERR(e->hash)) { - err = PTR_ERR(e->hash); - e->hash = NULL; - goto err_out_free; - } - } - - if (psb->cipher_string) { - e->cipher = pohmelfs_init_cipher(psb); - if (IS_ERR(e->cipher)) { - err = PTR_ERR(e->cipher); - e->cipher = NULL; - goto err_out_free_hash; - } - } - - return 0; - -err_out_free_hash: - crypto_free_hash(e->hash); -err_out_free: - kfree(e->data); -err_out_exit: - return err; -} - -void pohmelfs_crypto_engine_exit(struct pohmelfs_crypto_engine *e) -{ - crypto_free_hash(e->hash); - crypto_free_ablkcipher(e->cipher); - kfree(e->data); -} - -static void pohmelfs_crypto_complete(struct crypto_async_request *req, int err) -{ - struct pohmelfs_crypto_completion *c = req->data; - - if (err == -EINPROGRESS) - return; - - dprintk("%s: req: %p, err: %d.\n", __func__, req, err); - c->error = err; - complete(&c->complete); -} - -static int pohmelfs_crypto_process(struct ablkcipher_request *req, - struct scatterlist *sg_dst, struct scatterlist *sg_src, - void *iv, int enc, unsigned long timeout) -{ - struct pohmelfs_crypto_completion complete; - int err; - - init_completion(&complete.complete); - complete.error = -EINPROGRESS; - - ablkcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, - pohmelfs_crypto_complete, &complete); - - ablkcipher_request_set_crypt(req, sg_src, sg_dst, sg_src->length, iv); - - if (enc) - err = crypto_ablkcipher_encrypt(req); - else - err = crypto_ablkcipher_decrypt(req); - - switch (err) { - case -EINPROGRESS: - case -EBUSY: - err = wait_for_completion_interruptible_timeout(&complete.complete, - timeout); - if (!err) - err = -ETIMEDOUT; - else if (err > 0) - err = complete.error; - break; - default: - break; - } - - return err; -} - -int pohmelfs_crypto_process_input_data(struct pohmelfs_crypto_engine *e, u64 cmd_iv, - void *data, struct page *page, unsigned int size) -{ - int err; - struct scatterlist sg; - - if (!e->cipher && !e->hash) - return 0; - - dprintk("%s: eng: %p, iv: %llx, data: %p, page: %p/%lu, size: %u.\n", - __func__, e, cmd_iv, data, page, (page) ? page->index : 0, size); - - if (data) { - sg_init_one(&sg, data, size); - } else { - sg_init_table(&sg, 1); - sg_set_page(&sg, page, size, 0); - } - - if (e->cipher) { - struct ablkcipher_request *req = e->data + crypto_hash_digestsize(e->hash); - u8 iv[32]; - - memset(iv, 0, sizeof(iv)); - memcpy(iv, &cmd_iv, sizeof(cmd_iv)); - - ablkcipher_request_set_tfm(req, e->cipher); - - err = pohmelfs_crypto_process(req, &sg, &sg, iv, 0, e->timeout); - if (err) - goto err_out_exit; - } - - if (e->hash) { - struct hash_desc desc; - void *dst = e->data + e->size/2; - - desc.tfm = e->hash; - desc.flags = 0; - - err = crypto_hash_init(&desc); - if (err) - goto err_out_exit; - - err = crypto_hash_update(&desc, &sg, size); - if (err) - goto err_out_exit; - - err = crypto_hash_final(&desc, dst); - if (err) - goto err_out_exit; - - err = !!memcmp(dst, e->data, crypto_hash_digestsize(e->hash)); - - if (err) { -#ifdef CONFIG_POHMELFS_DEBUG - unsigned int i; - unsigned char *recv = e->data, *calc = dst; - - dprintk("%s: eng: %p, hash: %p, cipher: %p: iv : %llx, hash mismatch (recv/calc): ", - __func__, e, e->hash, e->cipher, cmd_iv); - for (i = 0; i < crypto_hash_digestsize(e->hash); ++i) { -#if 0 - dprintka("%02x ", recv[i]); - if (recv[i] != calc[i]) { - dprintka("| calc byte: %02x.\n", calc[i]); - break; - } -#else - dprintka("%02x/%02x ", recv[i], calc[i]); -#endif - } - dprintk("\n"); -#endif - goto err_out_exit; - } else { - dprintk("%s: eng: %p, hash: %p, cipher: %p: hashes matched.\n", - __func__, e, e->hash, e->cipher); - } - } - - dprintk("%s: eng: %p, size: %u, hash: %p, cipher: %p: completed.\n", - __func__, e, e->size, e->hash, e->cipher); - - return 0; - -err_out_exit: - dprintk("%s: eng: %p, hash: %p, cipher: %p: err: %d.\n", - __func__, e, e->hash, e->cipher, err); - return err; -} - -static int pohmelfs_trans_iter(struct netfs_trans *t, struct pohmelfs_crypto_engine *e, - int (*iterator) (struct pohmelfs_crypto_engine *e, - struct scatterlist *dst, - struct scatterlist *src)) -{ - void *data = t->iovec.iov_base + sizeof(struct netfs_cmd) + t->psb->crypto_attached_size; - unsigned int size = t->iovec.iov_len - sizeof(struct netfs_cmd) - t->psb->crypto_attached_size; - struct netfs_cmd *cmd = data; - unsigned int sz, pages = t->attached_pages, i, csize, cmd_cmd, dpage_idx; - struct scatterlist sg_src, sg_dst; - int err; - - while (size) { - cmd = data; - cmd_cmd = __be16_to_cpu(cmd->cmd); - csize = __be32_to_cpu(cmd->size); - cmd->iv = __cpu_to_be64(e->iv); - - if (cmd_cmd == NETFS_READ_PAGES || cmd_cmd == NETFS_READ_PAGE) - csize = __be16_to_cpu(cmd->ext); - - sz = csize + __be16_to_cpu(cmd->cpad) + sizeof(struct netfs_cmd); - - dprintk("%s: size: %u, sz: %u, cmd_size: %u, cmd_cpad: %u.\n", - __func__, size, sz, __be32_to_cpu(cmd->size), __be16_to_cpu(cmd->cpad)); - - data += sz; - size -= sz; - - sg_init_one(&sg_src, cmd->data, sz - sizeof(struct netfs_cmd)); - sg_init_one(&sg_dst, cmd->data, sz - sizeof(struct netfs_cmd)); - - err = iterator(e, &sg_dst, &sg_src); - if (err) - return err; - } - - if (!pages) - return 0; - - dpage_idx = 0; - for (i = 0; i < t->page_num; ++i) { - struct page *page = t->pages[i]; - struct page *dpage = e->pages[dpage_idx]; - - if (!page) - continue; - - sg_init_table(&sg_src, 1); - sg_init_table(&sg_dst, 1); - sg_set_page(&sg_src, page, page_private(page), 0); - sg_set_page(&sg_dst, dpage, page_private(page), 0); - - err = iterator(e, &sg_dst, &sg_src); - if (err) - return err; - - pages--; - if (!pages) - break; - dpage_idx++; - } - - return 0; -} - -static int pohmelfs_encrypt_iterator(struct pohmelfs_crypto_engine *e, - struct scatterlist *sg_dst, struct scatterlist *sg_src) -{ - struct ablkcipher_request *req = e->data; - u8 iv[32]; - - memset(iv, 0, sizeof(iv)); - - memcpy(iv, &e->iv, sizeof(e->iv)); - - return pohmelfs_crypto_process(req, sg_dst, sg_src, iv, 1, e->timeout); -} - -static int pohmelfs_encrypt(struct pohmelfs_crypto_thread *tc) -{ - struct netfs_trans *t = tc->trans; - struct pohmelfs_crypto_engine *e = &tc->eng; - struct ablkcipher_request *req = e->data; - - memset(req, 0, sizeof(struct ablkcipher_request)); - ablkcipher_request_set_tfm(req, e->cipher); - - e->iv = pohmelfs_gen_iv(t); - - return pohmelfs_trans_iter(t, e, pohmelfs_encrypt_iterator); -} - -static int pohmelfs_hash_iterator(struct pohmelfs_crypto_engine *e, - struct scatterlist *sg_dst, struct scatterlist *sg_src) -{ - return crypto_hash_update(e->data, sg_src, sg_src->length); -} - -static int pohmelfs_hash(struct pohmelfs_crypto_thread *tc) -{ - struct pohmelfs_crypto_engine *e = &tc->eng; - struct hash_desc *desc = e->data; - unsigned char *dst = tc->trans->iovec.iov_base + sizeof(struct netfs_cmd); - int err; - - desc->tfm = e->hash; - desc->flags = 0; - - err = crypto_hash_init(desc); - if (err) - return err; - - err = pohmelfs_trans_iter(tc->trans, e, pohmelfs_hash_iterator); - if (err) - return err; - - err = crypto_hash_final(desc, dst); - if (err) - return err; - - { - unsigned int i; - dprintk("%s: ", __func__); - for (i = 0; i < tc->psb->crypto_attached_size; ++i) - dprintka("%02x ", dst[i]); - dprintka("\n"); - } - - return 0; -} - -static void pohmelfs_crypto_pages_free(struct pohmelfs_crypto_engine *e) -{ - unsigned int i; - - for (i = 0; i < e->page_num; ++i) - __free_page(e->pages[i]); - kfree(e->pages); -} - -static int pohmelfs_crypto_pages_alloc(struct pohmelfs_crypto_engine *e, struct pohmelfs_sb *psb) -{ - unsigned int i; - - e->pages = kmalloc(psb->trans_max_pages * sizeof(struct page *), GFP_KERNEL); - if (!e->pages) - return -ENOMEM; - - for (i = 0; i < psb->trans_max_pages; ++i) { - e->pages[i] = alloc_page(GFP_KERNEL); - if (!e->pages[i]) - break; - } - - e->page_num = i; - if (!e->page_num) - goto err_out_free; - - return 0; - -err_out_free: - kfree(e->pages); - return -ENOMEM; -} - -static void pohmelfs_sys_crypto_exit_one(struct pohmelfs_crypto_thread *t) -{ - struct pohmelfs_sb *psb = t->psb; - - if (t->thread) - kthread_stop(t->thread); - - mutex_lock(&psb->crypto_thread_lock); - list_del(&t->thread_entry); - psb->crypto_thread_num--; - mutex_unlock(&psb->crypto_thread_lock); - - pohmelfs_crypto_engine_exit(&t->eng); - pohmelfs_crypto_pages_free(&t->eng); - kfree(t); -} - -static int pohmelfs_crypto_finish(struct netfs_trans *t, struct pohmelfs_sb *psb, int err) -{ - struct netfs_cmd *cmd = t->iovec.iov_base; - netfs_convert_cmd(cmd); - - if (likely(!err)) - err = netfs_trans_finish_send(t, psb); - - t->result = err; - netfs_trans_put(t); - - return err; -} - -void pohmelfs_crypto_thread_make_ready(struct pohmelfs_crypto_thread *th) -{ - struct pohmelfs_sb *psb = th->psb; - - th->page = NULL; - th->trans = NULL; - - mutex_lock(&psb->crypto_thread_lock); - list_move_tail(&th->thread_entry, &psb->crypto_ready_list); - mutex_unlock(&psb->crypto_thread_lock); - wake_up(&psb->wait); -} - -static int pohmelfs_crypto_thread_trans(struct pohmelfs_crypto_thread *t) -{ - struct netfs_trans *trans; - int err = 0; - - trans = t->trans; - trans->eng = NULL; - - if (t->eng.hash) { - err = pohmelfs_hash(t); - if (err) - goto out_complete; - } - - if (t->eng.cipher) { - err = pohmelfs_encrypt(t); - if (err) - goto out_complete; - trans->eng = &t->eng; - } - -out_complete: - t->page = NULL; - t->trans = NULL; - - if (!trans->eng) - pohmelfs_crypto_thread_make_ready(t); - - pohmelfs_crypto_finish(trans, t->psb, err); - return err; -} - -static int pohmelfs_crypto_thread_page(struct pohmelfs_crypto_thread *t) -{ - struct pohmelfs_crypto_engine *e = &t->eng; - struct page *page = t->page; - int err; - - WARN_ON(!PageChecked(page)); - - err = pohmelfs_crypto_process_input_data(e, e->iv, NULL, page, t->size); - if (!err) - SetPageUptodate(page); - else - SetPageError(page); - unlock_page(page); - page_cache_release(page); - - pohmelfs_crypto_thread_make_ready(t); - - return err; -} - -static int pohmelfs_crypto_thread_func(void *data) -{ - struct pohmelfs_crypto_thread *t = data; - - while (!kthread_should_stop()) { - wait_event_interruptible(t->wait, kthread_should_stop() || - t->trans || t->page); - - if (kthread_should_stop()) - break; - - if (!t->trans && !t->page) - continue; - - dprintk("%s: thread: %p, trans: %p, page: %p.\n", - __func__, t, t->trans, t->page); - - if (t->trans) - pohmelfs_crypto_thread_trans(t); - else if (t->page) - pohmelfs_crypto_thread_page(t); - } - - return 0; -} - -static void pohmelfs_crypto_flush(struct pohmelfs_sb *psb, struct list_head *head) -{ - while (!list_empty(head)) { - struct pohmelfs_crypto_thread *t = NULL; - - mutex_lock(&psb->crypto_thread_lock); - if (!list_empty(head)) { - t = list_first_entry(head, struct pohmelfs_crypto_thread, thread_entry); - list_del_init(&t->thread_entry); - } - mutex_unlock(&psb->crypto_thread_lock); - - if (t) - pohmelfs_sys_crypto_exit_one(t); - } -} - -static void pohmelfs_sys_crypto_exit(struct pohmelfs_sb *psb) -{ - while (!list_empty(&psb->crypto_active_list) || !list_empty(&psb->crypto_ready_list)) { - dprintk("%s: crypto_thread_num: %u.\n", __func__, psb->crypto_thread_num); - pohmelfs_crypto_flush(psb, &psb->crypto_active_list); - pohmelfs_crypto_flush(psb, &psb->crypto_ready_list); - } -} - -static int pohmelfs_sys_crypto_init(struct pohmelfs_sb *psb) -{ - unsigned int i; - struct pohmelfs_crypto_thread *t; - struct pohmelfs_config *c; - struct netfs_state *st; - int err; - - list_for_each_entry(c, &psb->state_list, config_entry) { - st = &c->state; - - err = pohmelfs_crypto_engine_init(&st->eng, psb); - if (err) - goto err_out_exit; - - dprintk("%s: st: %p, eng: %p, hash: %p, cipher: %p.\n", - __func__, st, &st->eng, &st->eng.hash, &st->eng.cipher); - } - - for (i = 0; i < psb->crypto_thread_num; ++i) { - err = -ENOMEM; - t = kzalloc(sizeof(struct pohmelfs_crypto_thread), GFP_KERNEL); - if (!t) - goto err_out_free_state_engines; - - init_waitqueue_head(&t->wait); - - t->psb = psb; - t->trans = NULL; - t->eng.thread = t; - - err = pohmelfs_crypto_engine_init(&t->eng, psb); - if (err) - goto err_out_free_state_engines; - - err = pohmelfs_crypto_pages_alloc(&t->eng, psb); - if (err) - goto err_out_free; - - t->thread = kthread_run(pohmelfs_crypto_thread_func, t, - "pohmelfs-crypto-%d-%d", psb->idx, i); - if (IS_ERR(t->thread)) { - err = PTR_ERR(t->thread); - t->thread = NULL; - goto err_out_free; - } - - if (t->eng.cipher) - psb->crypto_align_size = crypto_ablkcipher_blocksize(t->eng.cipher); - - mutex_lock(&psb->crypto_thread_lock); - list_add_tail(&t->thread_entry, &psb->crypto_ready_list); - mutex_unlock(&psb->crypto_thread_lock); - } - - psb->crypto_thread_num = i; - return 0; - -err_out_free: - pohmelfs_sys_crypto_exit_one(t); -err_out_free_state_engines: - list_for_each_entry(c, &psb->state_list, config_entry) { - st = &c->state; - pohmelfs_crypto_engine_exit(&st->eng); - } -err_out_exit: - pohmelfs_sys_crypto_exit(psb); - return err; -} - -void pohmelfs_crypto_exit(struct pohmelfs_sb *psb) -{ - pohmelfs_sys_crypto_exit(psb); - - kfree(psb->hash_string); - kfree(psb->cipher_string); -} - -static int pohmelfs_crypt_init_complete(struct page **pages, unsigned int page_num, - void *private, int err) -{ - struct pohmelfs_sb *psb = private; - - psb->flags = -err; - dprintk("%s: err: %d.\n", __func__, err); - - wake_up(&psb->wait); - - return err; -} - -static int pohmelfs_crypto_init_handshake(struct pohmelfs_sb *psb) -{ - struct netfs_trans *t; - struct netfs_crypto_capabilities *cap; - struct netfs_cmd *cmd; - char *str; - int err = -ENOMEM, size; - - size = sizeof(struct netfs_crypto_capabilities) + - psb->cipher_strlen + psb->hash_strlen + 2; /* 0 bytes */ - - t = netfs_trans_alloc(psb, size, 0, 0); - if (!t) - goto err_out_exit; - - t->complete = pohmelfs_crypt_init_complete; - t->private = psb; - - cmd = netfs_trans_current(t); - cap = (struct netfs_crypto_capabilities *)(cmd + 1); - str = (char *)(cap + 1); - - cmd->cmd = NETFS_CAPABILITIES; - cmd->id = POHMELFS_CRYPTO_CAPABILITIES; - cmd->size = size; - cmd->start = 0; - cmd->ext = 0; - cmd->csize = 0; - - netfs_convert_cmd(cmd); - netfs_trans_update(cmd, t, size); - - cap->hash_strlen = psb->hash_strlen; - if (cap->hash_strlen) { - sprintf(str, "%s", psb->hash_string); - str += cap->hash_strlen; - } - - cap->cipher_strlen = psb->cipher_strlen; - cap->cipher_keysize = psb->cipher_keysize; - if (cap->cipher_strlen) - sprintf(str, "%s", psb->cipher_string); - - netfs_convert_crypto_capabilities(cap); - - psb->flags = ~0; - err = netfs_trans_finish(t, psb); - if (err) - goto err_out_exit; - - err = wait_event_interruptible_timeout(psb->wait, (psb->flags != ~0), - psb->wait_on_page_timeout); - if (!err) - err = -ETIMEDOUT; - else if (err > 0) - err = -psb->flags; - - if (!err) - psb->perform_crypto = 1; - psb->flags = 0; - - /* - * At this point NETFS_CAPABILITIES response command - * should setup superblock in a way, which is acceptable - * for both client and server, so if server refuses connection, - * it will send error in transaction response. - */ - - if (err) - goto err_out_exit; - - return 0; - -err_out_exit: - return err; -} - -int pohmelfs_crypto_init(struct pohmelfs_sb *psb) -{ - int err; - - if (!psb->cipher_string && !psb->hash_string) - return 0; - - err = pohmelfs_crypto_init_handshake(psb); - if (err) - return err; - - err = pohmelfs_sys_crypto_init(psb); - if (err) - return err; - - return 0; -} - -static int pohmelfs_crypto_thread_get(struct pohmelfs_sb *psb, - int (*action)(struct pohmelfs_crypto_thread *t, void *data), void *data) -{ - struct pohmelfs_crypto_thread *t = NULL; - int err; - - while (!t) { - err = wait_event_interruptible_timeout(psb->wait, - !list_empty(&psb->crypto_ready_list), - psb->wait_on_page_timeout); - - t = NULL; - err = 0; - mutex_lock(&psb->crypto_thread_lock); - if (!list_empty(&psb->crypto_ready_list)) { - t = list_entry(psb->crypto_ready_list.prev, - struct pohmelfs_crypto_thread, - thread_entry); - - list_move_tail(&t->thread_entry, - &psb->crypto_active_list); - - action(t, data); - wake_up(&t->wait); - - } - mutex_unlock(&psb->crypto_thread_lock); - } - - return err; -} - -static int pohmelfs_trans_crypt_action(struct pohmelfs_crypto_thread *t, void *data) -{ - struct netfs_trans *trans = data; - - netfs_trans_get(trans); - t->trans = trans; - - dprintk("%s: t: %p, gen: %u, thread: %p.\n", __func__, trans, trans->gen, t); - return 0; -} - -int pohmelfs_trans_crypt(struct netfs_trans *trans, struct pohmelfs_sb *psb) -{ - if ((!psb->hash_string && !psb->cipher_string) || !psb->perform_crypto) { - netfs_trans_get(trans); - return pohmelfs_crypto_finish(trans, psb, 0); - } - - return pohmelfs_crypto_thread_get(psb, pohmelfs_trans_crypt_action, trans); -} - -struct pohmelfs_crypto_input_action_data { - struct page *page; - struct pohmelfs_crypto_engine *e; - u64 iv; - unsigned int size; -}; - -static int pohmelfs_crypt_input_page_action(struct pohmelfs_crypto_thread *t, void *data) -{ - struct pohmelfs_crypto_input_action_data *act = data; - - memcpy(t->eng.data, act->e->data, t->psb->crypto_attached_size); - - t->size = act->size; - t->eng.iv = act->iv; - - t->page = act->page; - return 0; -} - -int pohmelfs_crypto_process_input_page(struct pohmelfs_crypto_engine *e, - struct page *page, unsigned int size, u64 iv) -{ - struct inode *inode = page->mapping->host; - struct pohmelfs_crypto_input_action_data act; - int err = -ENOENT; - - act.page = page; - act.e = e; - act.size = size; - act.iv = iv; - - err = pohmelfs_crypto_thread_get(POHMELFS_SB(inode->i_sb), - pohmelfs_crypt_input_page_action, &act); - if (err) - goto err_out_exit; - - return 0; - -err_out_exit: - SetPageUptodate(page); - page_cache_release(page); - - return err; -} diff --git a/drivers/staging/pohmelfs/dir.c b/drivers/staging/pohmelfs/dir.c deleted file mode 100644 index 2ee4491b7136f2..00000000000000 --- a/drivers/staging/pohmelfs/dir.c +++ /dev/null @@ -1,1102 +0,0 @@ -/* - * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net> - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/kernel.h> -#include <linux/fs.h> -#include <linux/jhash.h> -#include <linux/namei.h> -#include <linux/slab.h> -#include <linux/pagemap.h> - -#include "netfs.h" - -static int pohmelfs_cmp_hash(struct pohmelfs_name *n, u32 hash) -{ - if (n->hash > hash) - return -1; - if (n->hash < hash) - return 1; - - return 0; -} - -static struct pohmelfs_name *pohmelfs_search_hash_unprecise(struct pohmelfs_inode *pi, u32 hash) -{ - struct rb_node *n = pi->hash_root.rb_node; - struct pohmelfs_name *tmp = NULL; - int cmp; - - while (n) { - tmp = rb_entry(n, struct pohmelfs_name, hash_node); - - cmp = pohmelfs_cmp_hash(tmp, hash); - if (cmp < 0) - n = n->rb_left; - else if (cmp > 0) - n = n->rb_right; - else - break; - - } - - return tmp; -} - -struct pohmelfs_name *pohmelfs_search_hash(struct pohmelfs_inode *pi, u32 hash) -{ - struct pohmelfs_name *tmp; - - tmp = pohmelfs_search_hash_unprecise(pi, hash); - if (tmp && (tmp->hash == hash)) - return tmp; - - return NULL; -} - -static void __pohmelfs_name_del(struct pohmelfs_inode *parent, struct pohmelfs_name *node) -{ - rb_erase(&node->hash_node, &parent->hash_root); -} - -/* - * Remove name cache entry from its caches and free it. - */ -static void pohmelfs_name_free(struct pohmelfs_inode *parent, struct pohmelfs_name *node) -{ - __pohmelfs_name_del(parent, node); - list_del(&node->sync_create_entry); - kfree(node); -} - -static struct pohmelfs_name *pohmelfs_insert_hash(struct pohmelfs_inode *pi, - struct pohmelfs_name *new) -{ - struct rb_node **n = &pi->hash_root.rb_node, *parent = NULL; - struct pohmelfs_name *ret = NULL, *tmp; - int cmp; - - while (*n) { - parent = *n; - - tmp = rb_entry(parent, struct pohmelfs_name, hash_node); - - cmp = pohmelfs_cmp_hash(tmp, new->hash); - if (cmp < 0) - n = &parent->rb_left; - else if (cmp > 0) - n = &parent->rb_right; - else { - ret = tmp; - break; - } - } - - if (ret) { - printk("%s: exist: parent: %llu, ino: %llu, hash: %x, len: %u, data: '%s', " - "new: ino: %llu, hash: %x, len: %u, data: '%s'.\n", - __func__, pi->ino, - ret->ino, ret->hash, ret->len, ret->data, - new->ino, new->hash, new->len, new->data); - ret->ino = new->ino; - return ret; - } - - rb_link_node(&new->hash_node, parent, n); - rb_insert_color(&new->hash_node, &pi->hash_root); - - return NULL; -} - -/* - * Free name cache for given inode. - */ -void pohmelfs_free_names(struct pohmelfs_inode *parent) -{ - struct rb_node *rb_node; - struct pohmelfs_name *n; - - for (rb_node = rb_first(&parent->hash_root); rb_node;) { - n = rb_entry(rb_node, struct pohmelfs_name, hash_node); - rb_node = rb_next(rb_node); - - pohmelfs_name_free(parent, n); - } -} - -static void pohmelfs_fix_offset(struct pohmelfs_inode *parent, struct pohmelfs_name *node) -{ - parent->total_len -= node->len; -} - -/* - * Free name cache entry helper. - */ -void pohmelfs_name_del(struct pohmelfs_inode *parent, struct pohmelfs_name *node) -{ - pohmelfs_fix_offset(parent, node); - pohmelfs_name_free(parent, node); -} - -/* - * Insert new name cache entry into all hash cache. - */ -static int pohmelfs_insert_name(struct pohmelfs_inode *parent, struct pohmelfs_name *n) -{ - struct pohmelfs_name *name; - - name = pohmelfs_insert_hash(parent, n); - if (name) - return -EEXIST; - - parent->total_len += n->len; - list_add_tail(&n->sync_create_entry, &parent->sync_create_list); - - return 0; -} - -/* - * Allocate new name cache entry. - */ -static struct pohmelfs_name *pohmelfs_name_alloc(unsigned int len) -{ - struct pohmelfs_name *n; - - n = kzalloc(sizeof(struct pohmelfs_name) + len, GFP_KERNEL); - if (!n) - return NULL; - - INIT_LIST_HEAD(&n->sync_create_entry); - - n->data = (char *)(n+1); - - return n; -} - -/* - * Add new name entry into directory's cache. - */ -static int pohmelfs_add_dir(struct pohmelfs_sb *psb, struct pohmelfs_inode *parent, - struct pohmelfs_inode *npi, struct qstr *str, unsigned int mode, int link) -{ - int err = -ENOMEM; - struct pohmelfs_name *n; - - n = pohmelfs_name_alloc(str->len + 1); - if (!n) - goto err_out_exit; - - n->ino = npi->ino; - n->mode = mode; - n->len = str->len; - n->hash = str->hash; - sprintf(n->data, "%s", str->name); - - mutex_lock(&parent->offset_lock); - err = pohmelfs_insert_name(parent, n); - mutex_unlock(&parent->offset_lock); - - if (err) { - if (err != -EEXIST) - goto err_out_free; - kfree(n); - } - - return 0; - -err_out_free: - kfree(n); -err_out_exit: - return err; -} - -/* - * Create new inode for given parameters (name, inode info, parent). - * This does not create object on the server, it will be synced there during writeback. - */ -struct pohmelfs_inode *pohmelfs_new_inode(struct pohmelfs_sb *psb, - struct pohmelfs_inode *parent, struct qstr *str, - struct netfs_inode_info *info, int link) -{ - struct inode *new = NULL; - struct pohmelfs_inode *npi; - int err = -EEXIST; - - dprintk("%s: creating inode: parent: %llu, ino: %llu, str: %p.\n", - __func__, (parent) ? parent->ino : 0, info->ino, str); - - err = -ENOMEM; - new = iget_locked(psb->sb, info->ino); - if (!new) - goto err_out_exit; - - npi = POHMELFS_I(new); - npi->ino = info->ino; - err = 0; - - if (new->i_state & I_NEW) { - dprintk("%s: filling VFS inode: %lu/%llu.\n", - __func__, new->i_ino, info->ino); - pohmelfs_fill_inode(new, info); - - if (S_ISDIR(info->mode)) { - struct qstr s; - - s.name = "."; - s.len = 1; - s.hash = jhash(s.name, s.len, 0); - - err = pohmelfs_add_dir(psb, npi, npi, &s, info->mode, 0); - if (err) - goto err_out_put; - - s.name = ".."; - s.len = 2; - s.hash = jhash(s.name, s.len, 0); - - err = pohmelfs_add_dir(psb, npi, (parent) ? parent : npi, &s, - (parent) ? parent->vfs_inode.i_mode : npi->vfs_inode.i_mode, 0); - if (err) - goto err_out_put; - } - } - - if (str) { - if (parent) { - err = pohmelfs_add_dir(psb, parent, npi, str, info->mode, link); - - dprintk("%s: %s inserted name: '%s', new_offset: %llu, ino: %llu, parent: %llu.\n", - __func__, (err) ? "unsuccessfully" : "successfully", - str->name, parent->total_len, info->ino, parent->ino); - - if (err && err != -EEXIST) - goto err_out_put; - } - } - - if (new->i_state & I_NEW) { - if (parent) - mark_inode_dirty(&parent->vfs_inode); - mark_inode_dirty(new); - } - - set_bit(NETFS_INODE_OWNED, &npi->state); - npi->lock_type = POHMELFS_WRITE_LOCK; - unlock_new_inode(new); - - return npi; - -err_out_put: - printk("%s: putting inode: %p, npi: %p, error: %d.\n", __func__, new, npi, err); - iput(new); -err_out_exit: - return ERR_PTR(err); -} - -static int pohmelfs_remote_sync_complete(struct page **pages, unsigned int page_num, - void *private, int err) -{ - struct pohmelfs_inode *pi = private; - struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb); - - dprintk("%s: ino: %llu, err: %d.\n", __func__, pi->ino, err); - - if (err) - pi->error = err; - wake_up(&psb->wait); - pohmelfs_put_inode(pi); - - return err; -} - -/* - * Receive directory content from the server. - * This should be only done for objects, which were not created locally, - * and which were not synced previously. - */ -static int pohmelfs_sync_remote_dir(struct pohmelfs_inode *pi) -{ - struct inode *inode = &pi->vfs_inode; - struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb); - long ret = psb->wait_on_page_timeout; - int err; - - dprintk("%s: dir: %llu, state: %lx: remote_synced: %d.\n", - __func__, pi->ino, pi->state, test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state)); - - if (test_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &pi->state)) - return 0; - - if (!igrab(inode)) { - err = -ENOENT; - goto err_out_exit; - } - - err = pohmelfs_meta_command(pi, NETFS_READDIR, NETFS_TRANS_SINGLE_DST, - pohmelfs_remote_sync_complete, pi, 0); - if (err) - goto err_out_exit; - - pi->error = 0; - ret = wait_event_interruptible_timeout(psb->wait, - test_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &pi->state) || pi->error, ret); - dprintk("%s: awake dir: %llu, ret: %ld, err: %d.\n", __func__, pi->ino, ret, pi->error); - if (ret <= 0) { - err = ret; - if (!err) - err = -ETIMEDOUT; - goto err_out_exit; - } - - if (pi->error) - return pi->error; - - return 0; - -err_out_exit: - clear_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state); - - return err; -} - -static int pohmelfs_dir_open(struct inode *inode, struct file *file) -{ - file->private_data = NULL; - return 0; -} - -/* - * VFS readdir callback. Syncs directory content from server if needed, - * and provides direntry info to the userspace. - */ -static int pohmelfs_readdir(struct file *file, void *dirent, filldir_t filldir) -{ - struct inode *inode = file->f_path.dentry->d_inode; - struct pohmelfs_inode *pi = POHMELFS_I(inode); - struct pohmelfs_name *n; - struct rb_node *rb_node; - int err = 0, mode; - u64 len; - - dprintk("%s: parent: %llu, fpos: %llu, hash: %08lx.\n", - __func__, pi->ino, (u64)file->f_pos, - (unsigned long)file->private_data); -#if 0 - err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_READ_LOCK); - if (err) - return err; -#endif - err = pohmelfs_sync_remote_dir(pi); - if (err) - return err; - - if (file->private_data && (file->private_data == (void *)(unsigned long)file->f_pos)) - return 0; - - mutex_lock(&pi->offset_lock); - n = pohmelfs_search_hash_unprecise(pi, (unsigned long)file->private_data); - - while (n) { - mode = (n->mode >> 12) & 15; - - dprintk("%s: offset: %llu, parent ino: %llu, name: '%s', len: %u, ino: %llu, " - "mode: %o/%o, fpos: %llu, hash: %08x.\n", - __func__, file->f_pos, pi->ino, n->data, n->len, - n->ino, n->mode, mode, file->f_pos, n->hash); - - file->private_data = (void *)(unsigned long)n->hash; - - len = n->len; - err = filldir(dirent, n->data, n->len, file->f_pos, n->ino, mode); - - if (err < 0) { - dprintk("%s: err: %d.\n", __func__, err); - err = 0; - break; - } - - file->f_pos += len; - - rb_node = rb_next(&n->hash_node); - - if (!rb_node || (rb_node == &n->hash_node)) { - file->private_data = (void *)(unsigned long)file->f_pos; - break; - } - - n = rb_entry(rb_node, struct pohmelfs_name, hash_node); - } - mutex_unlock(&pi->offset_lock); - - return err; -} - -static loff_t pohmelfs_dir_lseek(struct file *file, loff_t offset, int origin) -{ - file->f_pos = offset; - file->private_data = NULL; - return offset; -} - -const struct file_operations pohmelfs_dir_fops = { - .open = pohmelfs_dir_open, - .read = generic_read_dir, - .llseek = pohmelfs_dir_lseek, - .readdir = pohmelfs_readdir, -}; - -/* - * Lookup single object on server. - */ -static int pohmelfs_lookup_single(struct pohmelfs_inode *parent, - struct qstr *str, u64 ino) -{ - struct pohmelfs_sb *psb = POHMELFS_SB(parent->vfs_inode.i_sb); - long ret = msecs_to_jiffies(5000); - int err; - - set_bit(NETFS_COMMAND_PENDING, &parent->state); - err = pohmelfs_meta_command_data(parent, parent->ino, NETFS_LOOKUP, - (char *)str->name, NETFS_TRANS_SINGLE_DST, NULL, NULL, ino); - if (err) - goto err_out_exit; - - err = 0; - ret = wait_event_interruptible_timeout(psb->wait, - !test_bit(NETFS_COMMAND_PENDING, &parent->state), ret); - if (ret <= 0) { - err = ret; - if (!err) - err = -ETIMEDOUT; - } - - if (err) - goto err_out_exit; - - return 0; - -err_out_exit: - clear_bit(NETFS_COMMAND_PENDING, &parent->state); - - printk("%s: failed: parent: %llu, ino: %llu, name: '%s', err: %d.\n", - __func__, parent->ino, ino, str->name, err); - - return err; -} - -/* - * VFS lookup callback. - * We first try to get inode number from local name cache, if we have one, - * then inode can be found in inode cache. If there is no inode or no object in - * local cache, try to lookup it on server. This only should be done for directories, - * which were not created locally, otherwise remote server does not know about dir at all, - * so no need to try to know that. - */ -struct dentry *pohmelfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) -{ - struct pohmelfs_inode *parent = POHMELFS_I(dir); - struct pohmelfs_name *n; - struct inode *inode = NULL; - unsigned long ino = 0; - int err, lock_type = POHMELFS_READ_LOCK, need_lock = 1; - struct qstr str = dentry->d_name; - - if ((nd->intent.open.flags & O_ACCMODE) != O_RDONLY) - lock_type = POHMELFS_WRITE_LOCK; - - if (test_bit(NETFS_INODE_OWNED, &parent->state)) { - if (lock_type == parent->lock_type) - need_lock = 0; - if ((lock_type == POHMELFS_READ_LOCK) && (parent->lock_type == POHMELFS_WRITE_LOCK)) - need_lock = 0; - } - - if ((lock_type == POHMELFS_READ_LOCK) && !test_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &parent->state)) - need_lock = 1; - - str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0); - - mutex_lock(&parent->offset_lock); - n = pohmelfs_search_hash(parent, str.hash); - if (n) - ino = n->ino; - mutex_unlock(&parent->offset_lock); - - dprintk("%s: start ino: %lu, inode: %p, name: '%s', hash: %x, parent_state: %lx, need_lock: %d.\n", - __func__, ino, inode, str.name, str.hash, parent->state, need_lock); - - if (ino) { - inode = ilookup(dir->i_sb, ino); - if (inode) - goto out; - } - - dprintk("%s: no inode dir: %p, dir_ino: %llu, name: '%s', len: %u, dir_state: %lx, ino: %lu.\n", - __func__, dir, parent->ino, - str.name, str.len, parent->state, ino); - - if (!ino) { - if (!need_lock) - goto out; - } - - err = pohmelfs_data_lock(parent, 0, ~0, lock_type); - if (err) - goto out; - - err = pohmelfs_lookup_single(parent, &str, ino); - if (err) - goto out; - - if (!ino) { - mutex_lock(&parent->offset_lock); - n = pohmelfs_search_hash(parent, str.hash); - if (n) - ino = n->ino; - mutex_unlock(&parent->offset_lock); - } - - if (ino) { - inode = ilookup(dir->i_sb, ino); - dprintk("%s: second lookup ino: %lu, inode: %p, name: '%s', hash: %x.\n", - __func__, ino, inode, str.name, str.hash); - if (!inode) { - dprintk("%s: No inode for ino: %lu, name: '%s', hash: %x.\n", - __func__, ino, str.name, str.hash); - /* return NULL; */ - return ERR_PTR(-EACCES); - } - } else { - printk("%s: No inode number : name: '%s', hash: %x.\n", - __func__, str.name, str.hash); - } -out: - return d_splice_alias(inode, dentry); -} - -/* - * Create new object in local cache. Object will be synced to server - * during writeback for given inode. - */ -struct pohmelfs_inode *pohmelfs_create_entry_local(struct pohmelfs_sb *psb, - struct pohmelfs_inode *parent, struct qstr *str, u64 start, umode_t mode) -{ - struct pohmelfs_inode *npi; - int err = -ENOMEM; - struct netfs_inode_info info; - - dprintk("%s: name: '%s', mode: %ho, start: %llu.\n", - __func__, str->name, mode, start); - - info.mode = mode; - info.ino = start; - - if (!start) - info.ino = pohmelfs_new_ino(psb); - - info.nlink = S_ISDIR(mode) ? 2 : 1; - info.uid = current_fsuid(); - info.gid = current_fsgid(); - info.size = 0; - info.blocksize = 512; - info.blocks = 0; - info.rdev = 0; - info.version = 0; - - npi = pohmelfs_new_inode(psb, parent, str, &info, !!start); - if (IS_ERR(npi)) { - err = PTR_ERR(npi); - goto err_out_unlock; - } - - return npi; - -err_out_unlock: - dprintk("%s: err: %d.\n", __func__, err); - return ERR_PTR(err); -} - -/* - * Create local object and bind it to dentry. - */ -static int pohmelfs_create_entry(struct inode *dir, struct dentry *dentry, - u64 start, umode_t mode) -{ - struct pohmelfs_sb *psb = POHMELFS_SB(dir->i_sb); - struct pohmelfs_inode *npi, *parent; - struct qstr str = dentry->d_name; - int err; - - parent = POHMELFS_I(dir); - - err = pohmelfs_data_lock(parent, 0, ~0, POHMELFS_WRITE_LOCK); - if (err) - return err; - - str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0); - - npi = pohmelfs_create_entry_local(psb, parent, &str, start, mode); - if (IS_ERR(npi)) - return PTR_ERR(npi); - - d_instantiate(dentry, &npi->vfs_inode); - - dprintk("%s: parent: %llu, inode: %llu, name: '%s', parent_nlink: %d, nlink: %d.\n", - __func__, parent->ino, npi->ino, dentry->d_name.name, - (signed)dir->i_nlink, (signed)npi->vfs_inode.i_nlink); - - return 0; -} - -/* - * VFS create and mkdir callbacks. - */ -static int pohmelfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, - struct nameidata *nd) -{ - return pohmelfs_create_entry(dir, dentry, 0, mode); -} - -static int pohmelfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) -{ - int err; - - inode_inc_link_count(dir); - err = pohmelfs_create_entry(dir, dentry, 0, mode | S_IFDIR); - if (err) - inode_dec_link_count(dir); - - return err; -} - -static int pohmelfs_remove_entry(struct inode *dir, struct dentry *dentry) -{ - struct pohmelfs_sb *psb = POHMELFS_SB(dir->i_sb); - struct inode *inode = dentry->d_inode; - struct pohmelfs_inode *parent = POHMELFS_I(dir), *pi = POHMELFS_I(inode); - struct pohmelfs_name *n; - int err = -ENOENT; - struct qstr str = dentry->d_name; - - err = pohmelfs_data_lock(parent, 0, ~0, POHMELFS_WRITE_LOCK); - if (err) - return err; - - str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0); - - dprintk("%s: dir_ino: %llu, inode: %llu, name: '%s', nlink: %d.\n", - __func__, parent->ino, pi->ino, - str.name, (signed)inode->i_nlink); - - BUG_ON(!inode); - - mutex_lock(&parent->offset_lock); - n = pohmelfs_search_hash(parent, str.hash); - if (n) { - pohmelfs_fix_offset(parent, n); - if (test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state)) - pohmelfs_remove_child(pi, n); - - pohmelfs_name_free(parent, n); - err = 0; - } - mutex_unlock(&parent->offset_lock); - - if (!err) { - psb->avail_size += inode->i_size; - - pohmelfs_inode_del_inode(psb, pi); - - mark_inode_dirty(dir); - - inode->i_ctime = dir->i_ctime; - if (inode->i_nlink) - inode_dec_link_count(inode); - } - - return err; -} - -/* - * Unlink and rmdir VFS callbacks. - */ -static int pohmelfs_unlink(struct inode *dir, struct dentry *dentry) -{ - return pohmelfs_remove_entry(dir, dentry); -} - -static int pohmelfs_rmdir(struct inode *dir, struct dentry *dentry) -{ - int err; - struct inode *inode = dentry->d_inode; - - dprintk("%s: parent: %llu, inode: %llu, name: '%s', parent_nlink: %d, nlink: %d.\n", - __func__, POHMELFS_I(dir)->ino, POHMELFS_I(inode)->ino, - dentry->d_name.name, (signed)dir->i_nlink, (signed)inode->i_nlink); - - err = pohmelfs_remove_entry(dir, dentry); - if (!err) { - inode_dec_link_count(dir); - inode_dec_link_count(inode); - } - - return err; -} - -/* - * Link creation is synchronous. - * I'm lazy. - * Earth is somewhat round. - */ -static int pohmelfs_create_link(struct pohmelfs_inode *parent, struct qstr *obj, - struct pohmelfs_inode *target, struct qstr *tstr) -{ - struct super_block *sb = parent->vfs_inode.i_sb; - struct pohmelfs_sb *psb = POHMELFS_SB(sb); - struct netfs_cmd *cmd; - struct netfs_trans *t; - void *data; - int err, parent_len, target_len = 0, cur_len, path_size = 0; - - err = pohmelfs_data_lock(parent, 0, ~0, POHMELFS_WRITE_LOCK); - if (err) - return err; - - err = sb->s_op->write_inode(&parent->vfs_inode, 0); - if (err) - goto err_out_exit; - - if (tstr) - target_len = tstr->len; - - parent_len = pohmelfs_path_length(parent); - if (target) - target_len += pohmelfs_path_length(target); - - if (parent_len < 0) { - err = parent_len; - goto err_out_exit; - } - - if (target_len < 0) { - err = target_len; - goto err_out_exit; - } - - t = netfs_trans_alloc(psb, parent_len + target_len + obj->len + 2, 0, 0); - if (!t) { - err = -ENOMEM; - goto err_out_exit; - } - cur_len = netfs_trans_cur_len(t); - - cmd = netfs_trans_current(t); - if (IS_ERR(cmd)) { - err = PTR_ERR(cmd); - goto err_out_free; - } - - data = (void *)(cmd + 1); - cur_len -= sizeof(struct netfs_cmd); - - err = pohmelfs_construct_path_string(parent, data, parent_len); - if (err > 0) { - /* Do not place null-byte before the slash */ - path_size = err - 1; - cur_len -= path_size; - - err = snprintf(data + path_size, cur_len, "/%s|", obj->name); - - path_size += err; - cur_len -= err; - - cmd->ext = path_size - 1; /* No | symbol */ - - if (target) { - err = pohmelfs_construct_path_string(target, data + path_size, target_len); - if (err > 0) { - path_size += err; - cur_len -= err; - } - } - } - - if (err < 0) - goto err_out_free; - - cmd->start = 0; - - if (!target && tstr) { - if (tstr->len > cur_len - 1) { - err = -ENAMETOOLONG; - goto err_out_free; - } - - err = snprintf(data + path_size, cur_len, "%s", tstr->name) + 1; /* 0-byte */ - path_size += err; - cur_len -= err; - cmd->start = 1; - } - - dprintk("%s: parent: %llu, obj: '%s', target_inode: %llu, target_str: '%s', full: '%s'.\n", - __func__, parent->ino, obj->name, (target) ? target->ino : 0, (tstr) ? tstr->name : NULL, - (char *)data); - - cmd->cmd = NETFS_LINK; - cmd->size = path_size; - cmd->id = parent->ino; - - netfs_convert_cmd(cmd); - - netfs_trans_update(cmd, t, path_size); - - err = netfs_trans_finish(t, psb); - if (err) - goto err_out_exit; - - return 0; - -err_out_free: - t->result = err; - netfs_trans_put(t); -err_out_exit: - return err; -} - -/* - * VFS hard and soft link callbacks. - */ -static int pohmelfs_link(struct dentry *old_dentry, struct inode *dir, - struct dentry *dentry) -{ - struct inode *inode = old_dentry->d_inode; - struct pohmelfs_inode *pi = POHMELFS_I(inode); - int err; - struct qstr str = dentry->d_name; - - str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0); - - err = inode->i_sb->s_op->write_inode(inode, 0); - if (err) - return err; - - err = pohmelfs_create_link(POHMELFS_I(dir), &str, pi, NULL); - if (err) - return err; - - return pohmelfs_create_entry(dir, dentry, pi->ino, inode->i_mode); -} - -static int pohmelfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname) -{ - struct qstr sym_str; - struct qstr str = dentry->d_name; - struct inode *inode; - int err; - - str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0); - - sym_str.name = symname; - sym_str.len = strlen(symname); - - err = pohmelfs_create_link(POHMELFS_I(dir), &str, NULL, &sym_str); - if (err) - goto err_out_exit; - - err = pohmelfs_create_entry(dir, dentry, 0, S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO); - if (err) - goto err_out_exit; - - inode = dentry->d_inode; - - err = page_symlink(inode, symname, sym_str.len + 1); - if (err) - goto err_out_put; - - return 0; - -err_out_put: - iput(inode); -err_out_exit: - return err; -} - -static int pohmelfs_send_rename(struct pohmelfs_inode *pi, struct pohmelfs_inode *parent, - struct qstr *str) -{ - int path_len, err, total_len = 0, inode_len, parent_len; - char *path; - struct netfs_trans *t; - struct netfs_cmd *cmd; - struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb); - - parent_len = pohmelfs_path_length(parent); - inode_len = pohmelfs_path_length(pi); - - if (parent_len < 0 || inode_len < 0) - return -EINVAL; - - path_len = parent_len + inode_len + str->len + 3; - - t = netfs_trans_alloc(psb, path_len, 0, 0); - if (!t) - return -ENOMEM; - - cmd = netfs_trans_current(t); - path = (char *)(cmd + 1); - - err = pohmelfs_construct_path_string(pi, path, inode_len); - if (err < 0) - goto err_out_unlock; - - cmd->ext = err; - - path += err; - total_len += err; - path_len -= err; - - *path = '|'; - path++; - total_len++; - path_len--; - - err = pohmelfs_construct_path_string(parent, path, parent_len); - if (err < 0) - goto err_out_unlock; - - /* - * Do not place a null-byte before the final slash and the name. - */ - err--; - path += err; - total_len += err; - path_len -= err; - - err = snprintf(path, path_len - 1, "/%s", str->name); - - total_len += err + 1; /* 0 symbol */ - path_len -= err + 1; - - cmd->cmd = NETFS_RENAME; - cmd->id = pi->ino; - cmd->start = parent->ino; - cmd->size = total_len; - - netfs_convert_cmd(cmd); - - netfs_trans_update(cmd, t, total_len); - - return netfs_trans_finish(t, psb); - -err_out_unlock: - netfs_trans_free(t); - return err; -} - -static int pohmelfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) -{ - struct inode *inode = old_dentry->d_inode; - struct pohmelfs_inode *old_parent, *pi, *new_parent; - struct qstr str = new_dentry->d_name; - struct pohmelfs_name *n; - unsigned int old_hash; - int err = -ENOENT; - - pi = POHMELFS_I(inode); - old_parent = POHMELFS_I(old_dir); - - if (new_dir) - new_dir->i_sb->s_op->write_inode(new_dir, 0); - - old_hash = jhash(old_dentry->d_name.name, old_dentry->d_name.len, 0); - str.hash = jhash(new_dentry->d_name.name, new_dentry->d_name.len, 0); - - str.len = new_dentry->d_name.len; - str.name = new_dentry->d_name.name; - str.hash = jhash(new_dentry->d_name.name, new_dentry->d_name.len, 0); - - if (new_dir) { - new_parent = POHMELFS_I(new_dir); - err = -ENOTEMPTY; - - if (S_ISDIR(inode->i_mode) && - new_parent->total_len <= 3) - goto err_out_exit; - } else { - new_parent = old_parent; - } - - dprintk("%s: ino: %llu, parent: %llu, name: '%s' -> parent: %llu, name: '%s', i_size: %llu.\n", - __func__, pi->ino, old_parent->ino, old_dentry->d_name.name, - new_parent->ino, new_dentry->d_name.name, inode->i_size); - - if (test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state) && - test_bit(NETFS_INODE_OWNED, &pi->state)) { - err = pohmelfs_send_rename(pi, new_parent, &str); - if (err) - goto err_out_exit; - } - - n = pohmelfs_name_alloc(str.len + 1); - if (!n) - goto err_out_exit; - - mutex_lock(&new_parent->offset_lock); - n->ino = pi->ino; - n->mode = inode->i_mode; - n->len = str.len; - n->hash = str.hash; - sprintf(n->data, "%s", str.name); - - err = pohmelfs_insert_name(new_parent, n); - mutex_unlock(&new_parent->offset_lock); - - if (err) - goto err_out_exit; - - mutex_lock(&old_parent->offset_lock); - n = pohmelfs_search_hash(old_parent, old_hash); - if (n) - pohmelfs_name_del(old_parent, n); - mutex_unlock(&old_parent->offset_lock); - - mark_inode_dirty(inode); - mark_inode_dirty(&new_parent->vfs_inode); - - WARN_ON_ONCE(list_empty(&inode->i_dentry)); - - return 0; - -err_out_exit: - - clear_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state); - - return err; -} - -/* - * POHMELFS directory inode operations. - */ -const struct inode_operations pohmelfs_dir_inode_ops = { - .link = pohmelfs_link, - .symlink = pohmelfs_symlink, - .unlink = pohmelfs_unlink, - .mkdir = pohmelfs_mkdir, - .rmdir = pohmelfs_rmdir, - .create = pohmelfs_create, - .lookup = pohmelfs_lookup, - .setattr = pohmelfs_setattr, - .rename = pohmelfs_rename, -}; diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c deleted file mode 100644 index 807e3f3241136a..00000000000000 --- a/drivers/staging/pohmelfs/inode.c +++ /dev/null @@ -1,2055 +0,0 @@ -/* - * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net> - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/module.h> -#include <linux/backing-dev.h> -#include <linux/crypto.h> -#include <linux/fs.h> -#include <linux/jhash.h> -#include <linux/hash.h> -#include <linux/ktime.h> -#include <linux/mm.h> -#include <linux/mount.h> -#include <linux/pagemap.h> -#include <linux/pagevec.h> -#include <linux/parser.h> -#include <linux/swap.h> -#include <linux/slab.h> -#include <linux/statfs.h> -#include <linux/writeback.h> -#include <linux/prefetch.h> - -#include "netfs.h" - -#define POHMELFS_MAGIC_NUM 0x504f482e - -static struct kmem_cache *pohmelfs_inode_cache; -static atomic_t psb_bdi_num = ATOMIC_INIT(0); - -/* - * Removes inode from all trees, drops local name cache and removes all queued - * requests for object removal. - */ -void pohmelfs_inode_del_inode(struct pohmelfs_sb *psb, struct pohmelfs_inode *pi) -{ - mutex_lock(&pi->offset_lock); - pohmelfs_free_names(pi); - mutex_unlock(&pi->offset_lock); - - dprintk("%s: deleted stuff in ino: %llu.\n", __func__, pi->ino); -} - -/* - * Sync inode to server. - * Returns zero in success and negative error value otherwise. - * It will gather path to root directory into structures containing - * creation mode, permissions and names, so that the whole path - * to given inode could be created using only single network command. - */ -int pohmelfs_write_inode_create(struct inode *inode, struct netfs_trans *trans) -{ - struct pohmelfs_inode *pi = POHMELFS_I(inode); - int err = -ENOMEM, size; - struct netfs_cmd *cmd; - void *data; - int cur_len = netfs_trans_cur_len(trans); - - if (unlikely(cur_len < 0)) - return -ETOOSMALL; - - cmd = netfs_trans_current(trans); - cur_len -= sizeof(struct netfs_cmd); - - data = (void *)(cmd + 1); - - err = pohmelfs_construct_path_string(pi, data, cur_len); - if (err < 0) - goto err_out_exit; - - size = err; - - cmd->start = i_size_read(inode); - cmd->cmd = NETFS_CREATE; - cmd->size = size; - cmd->id = pi->ino; - cmd->ext = inode->i_mode; - - netfs_convert_cmd(cmd); - - netfs_trans_update(cmd, trans, size); - - return 0; - -err_out_exit: - printk("%s: completed ino: %llu, err: %d.\n", __func__, pi->ino, err); - return err; -} - -static int pohmelfs_write_trans_complete(struct page **pages, unsigned int page_num, - void *private, int err) -{ - unsigned i; - - dprintk("%s: pages: %lu-%lu, page_num: %u, err: %d.\n", - __func__, pages[0]->index, pages[page_num-1]->index, - page_num, err); - - for (i = 0; i < page_num; i++) { - struct page *page = pages[i]; - - if (!page) - continue; - - end_page_writeback(page); - - if (err < 0) { - SetPageError(page); - set_page_dirty(page); - } - - unlock_page(page); - page_cache_release(page); - - /* dprintk("%s: %3u/%u: page: %p.\n", __func__, i, page_num, page); */ - } - return err; -} - -static int pohmelfs_inode_has_dirty_pages(struct address_space *mapping, pgoff_t index) -{ - int ret; - struct page *page; - - rcu_read_lock(); - ret = radix_tree_gang_lookup_tag(&mapping->page_tree, - (void **)&page, index, 1, PAGECACHE_TAG_DIRTY); - rcu_read_unlock(); - return ret; -} - -static int pohmelfs_writepages(struct address_space *mapping, struct writeback_control *wbc) -{ - struct inode *inode = mapping->host; - struct pohmelfs_inode *pi = POHMELFS_I(inode); - struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb); - int err = 0; - int done = 0; - int nr_pages; - pgoff_t index; - pgoff_t end; /* Inclusive */ - int scanned = 0; - int range_whole = 0; - - if (wbc->range_cyclic) { - index = mapping->writeback_index; /* Start from prev offset */ - end = -1; - } else { - index = wbc->range_start >> PAGE_CACHE_SHIFT; - end = wbc->range_end >> PAGE_CACHE_SHIFT; - if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) - range_whole = 1; - scanned = 1; - } -retry: - while (!done && (index <= end)) { - unsigned int i = min(end - index, (pgoff_t)psb->trans_max_pages); - int path_len; - struct netfs_trans *trans; - - err = pohmelfs_inode_has_dirty_pages(mapping, index); - if (!err) - break; - - err = pohmelfs_path_length(pi); - if (err < 0) - break; - - path_len = err; - - if (path_len <= 2) { - err = -ENOENT; - break; - } - - trans = netfs_trans_alloc(psb, path_len, 0, i); - if (!trans) { - err = -ENOMEM; - break; - } - trans->complete = &pohmelfs_write_trans_complete; - - trans->page_num = nr_pages = find_get_pages_tag(mapping, &index, - PAGECACHE_TAG_DIRTY, trans->page_num, - trans->pages); - - dprintk("%s: t: %p, nr_pages: %u, end: %lu, index: %lu, max: %u.\n", - __func__, trans, nr_pages, end, index, trans->page_num); - - if (!nr_pages) - goto err_out_reset; - - err = pohmelfs_write_inode_create(inode, trans); - if (err) - goto err_out_reset; - - err = 0; - scanned = 1; - - for (i = 0; i < trans->page_num; i++) { - struct page *page = trans->pages[i]; - - lock_page(page); - - if (unlikely(page->mapping != mapping)) - goto out_continue; - - if (!wbc->range_cyclic && page->index > end) { - done = 1; - goto out_continue; - } - - if (wbc->sync_mode != WB_SYNC_NONE) - wait_on_page_writeback(page); - - if (PageWriteback(page) || - !clear_page_dirty_for_io(page)) { - dprintk("%s: not clear for io page: %p, writeback: %d.\n", - __func__, page, PageWriteback(page)); - goto out_continue; - } - - set_page_writeback(page); - - trans->attached_size += page_private(page); - trans->attached_pages++; -#if 0 - dprintk("%s: %u/%u added trans: %p, gen: %u, page: %p, [High: %d], size: %lu, idx: %lu.\n", - __func__, i, trans->page_num, trans, trans->gen, page, - !!PageHighMem(page), page_private(page), page->index); -#endif - wbc->nr_to_write--; - - if (wbc->nr_to_write <= 0) - done = 1; - - continue; -out_continue: - unlock_page(page); - trans->pages[i] = NULL; - } - - err = netfs_trans_finish(trans, psb); - if (err) - break; - - continue; - -err_out_reset: - trans->result = err; - netfs_trans_reset(trans); - netfs_trans_put(trans); - break; - } - - if (!scanned && !done) { - /* - * We hit the last page and there is more work to be done: wrap - * back to the start of the file - */ - scanned = 1; - index = 0; - goto retry; - } - - if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) - mapping->writeback_index = index; - - return err; -} - -/* - * Inode writeback creation completion callback. - * Only invoked for just created inodes, which do not have pages attached, - * like dirs and empty files. - */ -static int pohmelfs_write_inode_complete(struct page **pages, unsigned int page_num, - void *private, int err) -{ - struct inode *inode = private; - struct pohmelfs_inode *pi = POHMELFS_I(inode); - - if (inode) { - if (err) { - mark_inode_dirty(inode); - clear_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state); - } else { - set_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state); - } - - pohmelfs_put_inode(pi); - } - - return err; -} - -int pohmelfs_write_create_inode(struct pohmelfs_inode *pi) -{ - struct netfs_trans *t; - struct inode *inode = &pi->vfs_inode; - struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb); - int err; - - if (test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state)) - return 0; - - dprintk("%s: started ino: %llu.\n", __func__, pi->ino); - - err = pohmelfs_path_length(pi); - if (err < 0) - goto err_out_exit; - - t = netfs_trans_alloc(psb, err + 1, 0, 0); - if (!t) { - err = -ENOMEM; - goto err_out_exit; - } - t->complete = pohmelfs_write_inode_complete; - t->private = igrab(inode); - if (!t->private) { - err = -ENOENT; - goto err_out_put; - } - - err = pohmelfs_write_inode_create(inode, t); - if (err) - goto err_out_put; - - netfs_trans_finish(t, POHMELFS_SB(inode->i_sb)); - - return 0; - -err_out_put: - t->result = err; - netfs_trans_put(t); -err_out_exit: - return err; -} - -/* - * Sync all not-yet-created children in given directory to the server. - */ -static int pohmelfs_write_inode_create_children(struct inode *inode) -{ - struct pohmelfs_inode *parent = POHMELFS_I(inode); - struct super_block *sb = inode->i_sb; - struct pohmelfs_name *n; - - while (!list_empty(&parent->sync_create_list)) { - n = NULL; - mutex_lock(&parent->offset_lock); - if (!list_empty(&parent->sync_create_list)) { - n = list_first_entry(&parent->sync_create_list, - struct pohmelfs_name, sync_create_entry); - list_del_init(&n->sync_create_entry); - } - mutex_unlock(&parent->offset_lock); - - if (!n) - break; - - inode = ilookup(sb, n->ino); - - dprintk("%s: parent: %llu, ino: %llu, inode: %p.\n", - __func__, parent->ino, n->ino, inode); - - if (inode && (inode->i_state & I_DIRTY)) { - struct pohmelfs_inode *pi = POHMELFS_I(inode); - pohmelfs_write_create_inode(pi); - /* pohmelfs_meta_command(pi, NETFS_INODE_INFO, 0, NULL, NULL, 0); */ - iput(inode); - } - } - - return 0; -} - -/* - * Removes given child from given inode on server. - */ -int pohmelfs_remove_child(struct pohmelfs_inode *pi, struct pohmelfs_name *n) -{ - return pohmelfs_meta_command_data(pi, pi->ino, NETFS_REMOVE, NULL, 0, NULL, NULL, 0); -} - -/* - * Writeback for given inode. - */ -static int pohmelfs_write_inode(struct inode *inode, - struct writeback_control *wbc) -{ - struct pohmelfs_inode *pi = POHMELFS_I(inode); - - pohmelfs_write_create_inode(pi); - pohmelfs_write_inode_create_children(inode); - - return 0; -} - -/* - * It is not exported, sorry... - */ -static inline wait_queue_head_t *page_waitqueue(struct page *page) -{ - const struct zone *zone = page_zone(page); - - return &zone->wait_table[hash_ptr(page, zone->wait_table_bits)]; -} - -static int pohmelfs_wait_on_page_locked(struct page *page) -{ - struct pohmelfs_sb *psb = POHMELFS_SB(page->mapping->host->i_sb); - long ret = psb->wait_on_page_timeout; - DEFINE_WAIT_BIT(wait, &page->flags, PG_locked); - int err = 0; - - if (!PageLocked(page)) - return 0; - - for (;;) { - prepare_to_wait(page_waitqueue(page), - &wait.wait, TASK_INTERRUPTIBLE); - - dprintk("%s: page: %p, locked: %d, uptodate: %d, error: %d, flags: %lx.\n", - __func__, page, PageLocked(page), PageUptodate(page), - PageError(page), page->flags); - - if (!PageLocked(page)) - break; - - if (!signal_pending(current)) { - ret = schedule_timeout(ret); - if (!ret) - break; - continue; - } - ret = -ERESTARTSYS; - break; - } - finish_wait(page_waitqueue(page), &wait.wait); - - if (!ret) - err = -ETIMEDOUT; - - - if (!err) - SetPageUptodate(page); - - if (err) - printk("%s: page: %p, uptodate: %d, locked: %d, err: %d.\n", - __func__, page, PageUptodate(page), PageLocked(page), err); - - return err; -} - -static int pohmelfs_read_page_complete(struct page **pages, unsigned int page_num, - void *private, int err) -{ - struct page *page = private; - - if (PageChecked(page)) - return err; - - if (err < 0) { - dprintk("%s: page: %p, err: %d.\n", __func__, page, err); - SetPageError(page); - } - - unlock_page(page); - - return err; -} - -/* - * Read a page from remote server. - * Function will wait until page is unlocked. - */ -static int pohmelfs_readpage(struct file *file, struct page *page) -{ - struct inode *inode = page->mapping->host; - struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb); - struct pohmelfs_inode *pi = POHMELFS_I(inode); - struct netfs_trans *t; - struct netfs_cmd *cmd; - int err, path_len; - void *data; - u64 isize; - - err = pohmelfs_data_lock(pi, page->index << PAGE_CACHE_SHIFT, - PAGE_SIZE, POHMELFS_READ_LOCK); - if (err) - goto err_out_exit; - - isize = i_size_read(inode); - if (isize <= page->index << PAGE_CACHE_SHIFT) { - SetPageUptodate(page); - unlock_page(page); - return 0; - } - - path_len = pohmelfs_path_length(pi); - if (path_len < 0) { - err = path_len; - goto err_out_exit; - } - - t = netfs_trans_alloc(psb, path_len, NETFS_TRANS_SINGLE_DST, 0); - if (!t) { - err = -ENOMEM; - goto err_out_exit; - } - - t->complete = pohmelfs_read_page_complete; - t->private = page; - - cmd = netfs_trans_current(t); - data = (void *)(cmd + 1); - - err = pohmelfs_construct_path_string(pi, data, path_len); - if (err < 0) - goto err_out_free; - - path_len = err; - - cmd->id = pi->ino; - cmd->start = page->index; - cmd->start <<= PAGE_CACHE_SHIFT; - cmd->size = PAGE_CACHE_SIZE + path_len; - cmd->cmd = NETFS_READ_PAGE; - cmd->ext = path_len; - - dprintk("%s: path: '%s', page: %p, ino: %llu, start: %llu, size: %lu.\n", - __func__, (char *)data, page, pi->ino, cmd->start, PAGE_CACHE_SIZE); - - netfs_convert_cmd(cmd); - netfs_trans_update(cmd, t, path_len); - - err = netfs_trans_finish(t, psb); - if (err) - goto err_out_return; - - return pohmelfs_wait_on_page_locked(page); - -err_out_free: - t->result = err; - netfs_trans_put(t); -err_out_exit: - SetPageError(page); - if (PageLocked(page)) - unlock_page(page); -err_out_return: - printk("%s: page: %p, start: %lu, size: %lu, err: %d.\n", - __func__, page, page->index << PAGE_CACHE_SHIFT, PAGE_CACHE_SIZE, err); - - return err; -} - -/* - * Write begin/end magic. - * Allocates a page and writes inode if it was not synced to server before. - */ -static int pohmelfs_write_begin(struct file *file, struct address_space *mapping, - loff_t pos, unsigned len, unsigned flags, - struct page **pagep, void **fsdata) -{ - struct inode *inode = mapping->host; - struct page *page; - pgoff_t index; - unsigned start, end; - int err; - - *pagep = NULL; - - index = pos >> PAGE_CACHE_SHIFT; - start = pos & (PAGE_CACHE_SIZE - 1); - end = start + len; - - page = grab_cache_page(mapping, index); -#if 0 - dprintk("%s: page: %p pos: %llu, len: %u, index: %lu, start: %u, end: %u, uptodate: %d.\n", - __func__, page, pos, len, index, start, end, PageUptodate(page)); -#endif - if (!page) { - err = -ENOMEM; - goto err_out_exit; - } - - while (!PageUptodate(page)) { - if (start && test_bit(NETFS_INODE_REMOTE_SYNCED, &POHMELFS_I(inode)->state)) { - err = pohmelfs_readpage(file, page); - if (err) - goto err_out_exit; - - lock_page(page); - continue; - } - - if (len != PAGE_CACHE_SIZE) { - void *kaddr = kmap_atomic(page, KM_USER0); - - memset(kaddr + start, 0, PAGE_CACHE_SIZE - start); - flush_dcache_page(page); - kunmap_atomic(kaddr, KM_USER0); - } - SetPageUptodate(page); - } - - set_page_private(page, end); - - *pagep = page; - - return 0; - -err_out_exit: - page_cache_release(page); - *pagep = NULL; - - return err; -} - -static int pohmelfs_write_end(struct file *file, struct address_space *mapping, - loff_t pos, unsigned len, unsigned copied, - struct page *page, void *fsdata) -{ - struct inode *inode = mapping->host; - - if (copied != len) { - unsigned from = pos & (PAGE_CACHE_SIZE - 1); - void *kaddr = kmap_atomic(page, KM_USER0); - - memset(kaddr + from + copied, 0, len - copied); - flush_dcache_page(page); - kunmap_atomic(kaddr, KM_USER0); - } - - SetPageUptodate(page); - set_page_dirty(page); -#if 0 - dprintk("%s: page: %p [U: %d, D: %d, L: %d], pos: %llu, len: %u, copied: %u.\n", - __func__, page, - PageUptodate(page), PageDirty(page), PageLocked(page), - pos, len, copied); -#endif - flush_dcache_page(page); - - unlock_page(page); - page_cache_release(page); - - if (pos + copied > inode->i_size) { - struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb); - - psb->avail_size -= pos + copied - inode->i_size; - - i_size_write(inode, pos + copied); - } - - return copied; -} - -static int pohmelfs_readpages_trans_complete(struct page **__pages, unsigned int page_num, - void *private, int err) -{ - struct pohmelfs_inode *pi = private; - unsigned int i, num; - struct page **pages, *page = (struct page *)__pages; - loff_t index = page->index; - - pages = kzalloc(sizeof(void *) * page_num, GFP_NOIO); - if (!pages) - return -ENOMEM; - - num = find_get_pages_contig(pi->vfs_inode.i_mapping, index, page_num, pages); - if (num <= 0) { - err = num; - goto err_out_free; - } - - for (i = 0; i < num; ++i) { - page = pages[i]; - - if (err) - printk("%s: %u/%u: page: %p, index: %lu, uptodate: %d, locked: %d, err: %d.\n", - __func__, i, num, page, page->index, - PageUptodate(page), PageLocked(page), err); - - if (!PageChecked(page)) { - if (err < 0) - SetPageError(page); - unlock_page(page); - } - page_cache_release(page); - page_cache_release(page); - } - -err_out_free: - kfree(pages); - return err; -} - -static int pohmelfs_send_readpages(struct pohmelfs_inode *pi, struct page *first, unsigned int num) -{ - struct netfs_trans *t; - struct netfs_cmd *cmd; - struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb); - int err, path_len; - void *data; - - err = pohmelfs_data_lock(pi, first->index << PAGE_CACHE_SHIFT, - num * PAGE_SIZE, POHMELFS_READ_LOCK); - if (err) - goto err_out_exit; - - path_len = pohmelfs_path_length(pi); - if (path_len < 0) { - err = path_len; - goto err_out_exit; - } - - t = netfs_trans_alloc(psb, path_len, NETFS_TRANS_SINGLE_DST, 0); - if (!t) { - err = -ENOMEM; - goto err_out_exit; - } - - cmd = netfs_trans_current(t); - data = (void *)(cmd + 1); - - t->complete = pohmelfs_readpages_trans_complete; - t->private = pi; - t->page_num = num; - t->pages = (struct page **)first; - - err = pohmelfs_construct_path_string(pi, data, path_len); - if (err < 0) - goto err_out_put; - - path_len = err; - - cmd->cmd = NETFS_READ_PAGES; - cmd->start = first->index; - cmd->start <<= PAGE_CACHE_SHIFT; - cmd->size = (num << 8 | PAGE_CACHE_SHIFT); - cmd->id = pi->ino; - cmd->ext = path_len; - - dprintk("%s: t: %p, gen: %u, path: '%s', path_len: %u, " - "start: %lu, num: %u.\n", - __func__, t, t->gen, (char *)data, path_len, - first->index, num); - - netfs_convert_cmd(cmd); - netfs_trans_update(cmd, t, path_len); - - return netfs_trans_finish(t, psb); - -err_out_put: - netfs_trans_free(t); -err_out_exit: - pohmelfs_readpages_trans_complete((struct page **)first, num, pi, err); - return err; -} - -#define list_to_page(head) (list_entry((head)->prev, struct page, lru)) - -static int pohmelfs_readpages(struct file *file, struct address_space *mapping, - struct list_head *pages, unsigned nr_pages) -{ - unsigned int page_idx, num = 0; - struct page *page = NULL, *first = NULL; - - for (page_idx = 0; page_idx < nr_pages; page_idx++) { - page = list_to_page(pages); - - prefetchw(&page->flags); - list_del(&page->lru); - - if (!add_to_page_cache_lru(page, mapping, - page->index, GFP_KERNEL)) { - - if (!num) { - num = 1; - first = page; - continue; - } - - dprintk("%s: added to lru page: %p, page_index: %lu, first_index: %lu.\n", - __func__, page, page->index, first->index); - - if (unlikely(first->index + num != page->index) || (num > 500)) { - pohmelfs_send_readpages(POHMELFS_I(mapping->host), - first, num); - first = page; - num = 0; - } - - num++; - } - } - pohmelfs_send_readpages(POHMELFS_I(mapping->host), first, num); - - /* - * This will be sync read, so when last page is processed, - * all previous are alerady unlocked and ready to be used. - */ - return 0; -} - -/* - * Small address space operations for POHMELFS. - */ -const struct address_space_operations pohmelfs_aops = { - .readpage = pohmelfs_readpage, - .readpages = pohmelfs_readpages, - .writepages = pohmelfs_writepages, - .write_begin = pohmelfs_write_begin, - .write_end = pohmelfs_write_end, - .set_page_dirty = __set_page_dirty_nobuffers, -}; - -static void pohmelfs_i_callback(struct rcu_head *head) -{ - struct inode *inode = container_of(head, struct inode, i_rcu); - kmem_cache_free(pohmelfs_inode_cache, POHMELFS_I(inode)); -} - -/* - * ->destroy_inode() callback. Deletes inode from the caches - * and frees private data. - */ -static void pohmelfs_destroy_inode(struct inode *inode) -{ - struct super_block *sb = inode->i_sb; - struct pohmelfs_sb *psb = POHMELFS_SB(sb); - struct pohmelfs_inode *pi = POHMELFS_I(inode); - - /* pohmelfs_data_unlock(pi, 0, inode->i_size, POHMELFS_READ_LOCK); */ - - pohmelfs_inode_del_inode(psb, pi); - - dprintk("%s: pi: %p, inode: %p, ino: %llu.\n", - __func__, pi, &pi->vfs_inode, pi->ino); - atomic_long_dec(&psb->total_inodes); - call_rcu(&inode->i_rcu, pohmelfs_i_callback); -} - -/* - * ->alloc_inode() callback. Allocates inode and initializes private data. - */ -static struct inode *pohmelfs_alloc_inode(struct super_block *sb) -{ - struct pohmelfs_inode *pi; - - pi = kmem_cache_alloc(pohmelfs_inode_cache, GFP_NOIO); - if (!pi) - return NULL; - - pi->hash_root = RB_ROOT; - mutex_init(&pi->offset_lock); - - INIT_LIST_HEAD(&pi->sync_create_list); - - INIT_LIST_HEAD(&pi->inode_entry); - - pi->lock_type = 0; - pi->state = 0; - pi->total_len = 0; - pi->drop_count = 0; - - dprintk("%s: pi: %p, inode: %p.\n", __func__, pi, &pi->vfs_inode); - - atomic_long_inc(&POHMELFS_SB(sb)->total_inodes); - - return &pi->vfs_inode; -} - -/* - * We want fsync() to work on POHMELFS. - */ -static int pohmelfs_fsync(struct file *file, loff_t start, loff_t end, int datasync) -{ - struct inode *inode = file->f_mapping->host; - int err = filemap_write_and_wait_range(inode->i_mapping, start, end); - if (!err) { - mutex_lock(&inode->i_mutex); - err = sync_inode_metadata(inode, 1); - mutex_unlock(&inode->i_mutex); - } - return err; -} - -ssize_t pohmelfs_write(struct file *file, const char __user *buf, - size_t len, loff_t *ppos) -{ - struct address_space *mapping = file->f_mapping; - struct inode *inode = mapping->host; - struct pohmelfs_inode *pi = POHMELFS_I(inode); - struct iovec iov = { .iov_base = (void __user *)buf, .iov_len = len }; - struct kiocb kiocb; - ssize_t ret; - loff_t pos = *ppos; - - init_sync_kiocb(&kiocb, file); - kiocb.ki_pos = pos; - kiocb.ki_left = len; - - dprintk("%s: len: %zu, pos: %llu.\n", __func__, len, pos); - - mutex_lock(&inode->i_mutex); - ret = pohmelfs_data_lock(pi, pos, len, POHMELFS_WRITE_LOCK); - if (ret) - goto err_out_unlock; - - ret = __generic_file_aio_write(&kiocb, &iov, 1, &kiocb.ki_pos); - *ppos = kiocb.ki_pos; - - mutex_unlock(&inode->i_mutex); - WARN_ON(ret < 0); - - if (ret > 0) { - ssize_t err; - - err = generic_write_sync(file, pos, ret); - if (err < 0) - ret = err; - WARN_ON(ret < 0); - } - - return ret; - -err_out_unlock: - mutex_unlock(&inode->i_mutex); - return ret; -} - -static const struct file_operations pohmelfs_file_ops = { - .open = generic_file_open, - .fsync = pohmelfs_fsync, - - .llseek = generic_file_llseek, - - .read = do_sync_read, - .aio_read = generic_file_aio_read, - - .mmap = generic_file_mmap, - - .splice_read = generic_file_splice_read, - .splice_write = generic_file_splice_write, - - .write = pohmelfs_write, - .aio_write = generic_file_aio_write, -}; - -const struct inode_operations pohmelfs_symlink_inode_operations = { - .readlink = generic_readlink, - .follow_link = page_follow_link_light, - .put_link = page_put_link, -}; - -int pohmelfs_setattr_raw(struct inode *inode, struct iattr *attr) -{ - int err; - - err = inode_change_ok(inode, attr); - if (err) { - dprintk("%s: ino: %llu, inode changes are not allowed.\n", __func__, POHMELFS_I(inode)->ino); - goto err_out_exit; - } - - if ((attr->ia_valid & ATTR_SIZE) && - attr->ia_size != i_size_read(inode)) { - err = vmtruncate(inode, attr->ia_size); - if (err) { - dprintk("%s: ino: %llu, failed to set the attributes.\n", __func__, POHMELFS_I(inode)->ino); - goto err_out_exit; - } - } - - setattr_copy(inode, attr); - mark_inode_dirty(inode); - - dprintk("%s: ino: %llu, mode: %o -> %o, uid: %u -> %u, gid: %u -> %u, size: %llu -> %llu.\n", - __func__, POHMELFS_I(inode)->ino, inode->i_mode, attr->ia_mode, - inode->i_uid, attr->ia_uid, inode->i_gid, attr->ia_gid, inode->i_size, attr->ia_size); - - return 0; - -err_out_exit: - return err; -} - -int pohmelfs_setattr(struct dentry *dentry, struct iattr *attr) -{ - struct inode *inode = dentry->d_inode; - struct pohmelfs_inode *pi = POHMELFS_I(inode); - int err; - - err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_WRITE_LOCK); - if (err) - goto err_out_exit; - - err = security_inode_setattr(dentry, attr); - if (err) - goto err_out_exit; - - err = pohmelfs_setattr_raw(inode, attr); - if (err) - goto err_out_exit; - - return 0; - -err_out_exit: - return err; -} - -static int pohmelfs_send_xattr_req(struct pohmelfs_inode *pi, u64 id, u64 start, - const char *name, const void *value, size_t attrsize, int command) -{ - struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb); - int err, path_len, namelen = strlen(name) + 1; /* 0-byte */ - struct netfs_trans *t; - struct netfs_cmd *cmd; - void *data; - - dprintk("%s: id: %llu, start: %llu, name: '%s', attrsize: %zu, cmd: %d.\n", - __func__, id, start, name, attrsize, command); - - path_len = pohmelfs_path_length(pi); - if (path_len < 0) { - err = path_len; - goto err_out_exit; - } - - t = netfs_trans_alloc(psb, namelen + path_len + attrsize, 0, 0); - if (!t) { - err = -ENOMEM; - goto err_out_exit; - } - - cmd = netfs_trans_current(t); - data = cmd + 1; - - path_len = pohmelfs_construct_path_string(pi, data, path_len); - if (path_len < 0) { - err = path_len; - goto err_out_put; - } - data += path_len; - - /* - * 'name' is a NUL-terminated string already and - * 'namelen' includes 0-byte. - */ - memcpy(data, name, namelen); - data += namelen; - - memcpy(data, value, attrsize); - - cmd->cmd = command; - cmd->id = id; - cmd->start = start; - cmd->size = attrsize + namelen + path_len; - cmd->ext = path_len; - cmd->csize = 0; - cmd->cpad = 0; - - netfs_convert_cmd(cmd); - netfs_trans_update(cmd, t, namelen + path_len + attrsize); - - return netfs_trans_finish(t, psb); - -err_out_put: - t->result = err; - netfs_trans_put(t); -err_out_exit: - return err; -} - -static int pohmelfs_setxattr(struct dentry *dentry, const char *name, - const void *value, size_t attrsize, int flags) -{ - struct inode *inode = dentry->d_inode; - struct pohmelfs_inode *pi = POHMELFS_I(inode); - struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb); - - if (!(psb->state_flags & POHMELFS_FLAGS_XATTR)) - return -EOPNOTSUPP; - - return pohmelfs_send_xattr_req(pi, flags, attrsize, name, - value, attrsize, NETFS_XATTR_SET); -} - -static ssize_t pohmelfs_getxattr(struct dentry *dentry, const char *name, - void *value, size_t attrsize) -{ - struct inode *inode = dentry->d_inode; - struct pohmelfs_inode *pi = POHMELFS_I(inode); - struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb); - struct pohmelfs_mcache *m; - int err; - long timeout = psb->mcache_timeout; - - if (!(psb->state_flags & POHMELFS_FLAGS_XATTR)) - return -EOPNOTSUPP; - - m = pohmelfs_mcache_alloc(psb, 0, attrsize, value); - if (IS_ERR(m)) - return PTR_ERR(m); - - dprintk("%s: ino: %llu, name: '%s', size: %zu.\n", - __func__, pi->ino, name, attrsize); - - err = pohmelfs_send_xattr_req(pi, m->gen, attrsize, name, value, 0, NETFS_XATTR_GET); - if (err) - goto err_out_put; - - do { - err = wait_for_completion_timeout(&m->complete, timeout); - if (err) { - err = m->err; - break; - } - - /* - * This loop is a bit ugly, since it waits until reference counter - * hits 1 and then puts the object here. Main goal is to prevent race with - * the network thread, when it can start processing the given request, i.e. - * increase its reference counter but yet not complete it, while - * we will exit from ->getxattr() with timeout, and although request - * will not be freed (its reference counter was increased by network - * thread), data pointer provided by user may be released, so we will - * overwrite an already freed area in the network thread. - * - * Now after timeout we remove request from the cache, so it can not be - * found by network thread, and wait for its reference counter to hit 1, - * i.e. if network thread already started to process this request, we wait - * for it to finish, and then free object locally. If reference counter is - * already 1, i.e. request is not used by anyone else, we can free it without - * problem. - */ - err = -ETIMEDOUT; - timeout = HZ; - - pohmelfs_mcache_remove_locked(psb, m); - } while (atomic_read(&m->refcnt) != 1); - - pohmelfs_mcache_put(psb, m); - - dprintk("%s: ino: %llu, err: %d.\n", __func__, pi->ino, err); - - return err; - -err_out_put: - pohmelfs_mcache_put(psb, m); - return err; -} - -static int pohmelfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) -{ - struct inode *inode = dentry->d_inode; -#if 0 - struct pohmelfs_inode *pi = POHMELFS_I(inode); - int err; - - err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_READ_LOCK); - if (err) - return err; - dprintk("%s: ino: %llu, mode: %o, uid: %u, gid: %u, size: %llu.\n", - __func__, pi->ino, inode->i_mode, inode->i_uid, - inode->i_gid, inode->i_size); -#endif - - generic_fillattr(inode, stat); - return 0; -} - -const struct inode_operations pohmelfs_file_inode_operations = { - .setattr = pohmelfs_setattr, - .getattr = pohmelfs_getattr, - .setxattr = pohmelfs_setxattr, - .getxattr = pohmelfs_getxattr, -}; - -/* - * Fill inode data: mode, size, operation callbacks and so on... - */ -void pohmelfs_fill_inode(struct inode *inode, struct netfs_inode_info *info) -{ - inode->i_mode = info->mode; - set_nlink(inode, info->nlink); - inode->i_uid = info->uid; - inode->i_gid = info->gid; - inode->i_blocks = info->blocks; - inode->i_rdev = info->rdev; - inode->i_size = info->size; - inode->i_version = info->version; - inode->i_blkbits = ffs(info->blocksize); - - dprintk("%s: inode: %p, num: %lu/%llu inode is regular: %d, dir: %d, link: %d, mode: %o, size: %llu.\n", - __func__, inode, inode->i_ino, info->ino, - S_ISREG(inode->i_mode), S_ISDIR(inode->i_mode), - S_ISLNK(inode->i_mode), inode->i_mode, inode->i_size); - - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; - - /* - * i_mapping is a pointer to i_data during inode initialization. - */ - inode->i_data.a_ops = &pohmelfs_aops; - - if (S_ISREG(inode->i_mode)) { - inode->i_fop = &pohmelfs_file_ops; - inode->i_op = &pohmelfs_file_inode_operations; - } else if (S_ISDIR(inode->i_mode)) { - inode->i_fop = &pohmelfs_dir_fops; - inode->i_op = &pohmelfs_dir_inode_ops; - } else if (S_ISLNK(inode->i_mode)) { - inode->i_op = &pohmelfs_symlink_inode_operations; - inode->i_fop = &pohmelfs_file_ops; - } else { - inode->i_fop = &generic_ro_fops; - } -} - -static int pohmelfs_drop_inode(struct inode *inode) -{ - struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb); - struct pohmelfs_inode *pi = POHMELFS_I(inode); - - spin_lock(&psb->ino_lock); - list_del_init(&pi->inode_entry); - spin_unlock(&psb->ino_lock); - - return generic_drop_inode(inode); -} - -static struct pohmelfs_inode *pohmelfs_get_inode_from_list(struct pohmelfs_sb *psb, - struct list_head *head, unsigned int *count) -{ - struct pohmelfs_inode *pi = NULL; - - spin_lock(&psb->ino_lock); - if (!list_empty(head)) { - pi = list_entry(head->next, struct pohmelfs_inode, - inode_entry); - list_del_init(&pi->inode_entry); - *count = pi->drop_count; - pi->drop_count = 0; - } - spin_unlock(&psb->ino_lock); - - return pi; -} - -static void pohmelfs_flush_transactions(struct pohmelfs_sb *psb) -{ - struct pohmelfs_config *c; - - mutex_lock(&psb->state_lock); - list_for_each_entry(c, &psb->state_list, config_entry) { - pohmelfs_state_flush_transactions(&c->state); - } - mutex_unlock(&psb->state_lock); -} - -/* - * ->put_super() callback. Invoked before superblock is destroyed, - * so it has to clean all private data. - */ -static void pohmelfs_put_super(struct super_block *sb) -{ - struct pohmelfs_sb *psb = POHMELFS_SB(sb); - struct pohmelfs_inode *pi; - unsigned int count = 0; - unsigned int in_drop_list = 0; - struct inode *inode, *tmp; - - dprintk("%s.\n", __func__); - - /* - * Kill pending transactions, which could affect inodes in-flight. - */ - pohmelfs_flush_transactions(psb); - - while ((pi = pohmelfs_get_inode_from_list(psb, &psb->drop_list, &count))) { - inode = &pi->vfs_inode; - - dprintk("%s: ino: %llu, pi: %p, inode: %p, count: %u.\n", - __func__, pi->ino, pi, inode, count); - - if (atomic_read(&inode->i_count) != count) { - printk("%s: ino: %llu, pi: %p, inode: %p, count: %u, i_count: %d.\n", - __func__, pi->ino, pi, inode, count, - atomic_read(&inode->i_count)); - count = atomic_read(&inode->i_count); - in_drop_list++; - } - - while (count--) - iput(&pi->vfs_inode); - } - - list_for_each_entry_safe(inode, tmp, &sb->s_inodes, i_sb_list) { - pi = POHMELFS_I(inode); - - dprintk("%s: ino: %llu, pi: %p, inode: %p, i_count: %u.\n", - __func__, pi->ino, pi, inode, atomic_read(&inode->i_count)); - - /* - * These are special inodes, they were created during - * directory reading or lookup, and were not bound to dentry, - * so they live here with reference counter being 1 and prevent - * umount from succeed since it believes that they are busy. - */ - count = atomic_read(&inode->i_count); - if (count) { - list_del_init(&inode->i_sb_list); - while (count--) - iput(&pi->vfs_inode); - } - } - - psb->trans_scan_timeout = psb->drop_scan_timeout = 0; - cancel_delayed_work_sync(&psb->dwork); - cancel_delayed_work_sync(&psb->drop_dwork); - flush_scheduled_work(); - - dprintk("%s: stopped workqueues.\n", __func__); - - pohmelfs_crypto_exit(psb); - pohmelfs_state_exit(psb); - - bdi_destroy(&psb->bdi); - - kfree(psb); - sb->s_fs_info = NULL; -} - -static int pohmelfs_statfs(struct dentry *dentry, struct kstatfs *buf) -{ - struct super_block *sb = dentry->d_sb; - struct pohmelfs_sb *psb = POHMELFS_SB(sb); - - /* - * There are no filesystem size limits yet. - */ - memset(buf, 0, sizeof(struct kstatfs)); - - buf->f_type = POHMELFS_MAGIC_NUM; /* 'POH.' */ - buf->f_bsize = sb->s_blocksize; - buf->f_files = psb->ino; - buf->f_namelen = 255; - buf->f_files = atomic_long_read(&psb->total_inodes); - buf->f_bfree = buf->f_bavail = psb->avail_size >> PAGE_SHIFT; - buf->f_blocks = psb->total_size >> PAGE_SHIFT; - - dprintk("%s: total: %llu, avail: %llu, inodes: %llu, bsize: %lu.\n", - __func__, psb->total_size, psb->avail_size, buf->f_files, sb->s_blocksize); - - return 0; -} - -static int pohmelfs_show_options(struct seq_file *seq, struct dentry *root) -{ - struct pohmelfs_sb *psb = POHMELFS_SB(root->d_sb); - - seq_printf(seq, ",idx=%u", psb->idx); - seq_printf(seq, ",trans_scan_timeout=%u", jiffies_to_msecs(psb->trans_scan_timeout)); - seq_printf(seq, ",drop_scan_timeout=%u", jiffies_to_msecs(psb->drop_scan_timeout)); - seq_printf(seq, ",wait_on_page_timeout=%u", jiffies_to_msecs(psb->wait_on_page_timeout)); - seq_printf(seq, ",trans_retries=%u", psb->trans_retries); - seq_printf(seq, ",crypto_thread_num=%u", psb->crypto_thread_num); - seq_printf(seq, ",trans_max_pages=%u", psb->trans_max_pages); - seq_printf(seq, ",mcache_timeout=%u", jiffies_to_msecs(psb->mcache_timeout)); - if (psb->crypto_fail_unsupported) - seq_printf(seq, ",crypto_fail_unsupported"); - - return 0; -} - -enum { - pohmelfs_opt_idx, - pohmelfs_opt_crypto_thread_num, - pohmelfs_opt_trans_max_pages, - pohmelfs_opt_crypto_fail_unsupported, - - /* Remountable options */ - pohmelfs_opt_trans_scan_timeout, - pohmelfs_opt_drop_scan_timeout, - pohmelfs_opt_wait_on_page_timeout, - pohmelfs_opt_trans_retries, - pohmelfs_opt_mcache_timeout, -}; - -static struct match_token pohmelfs_tokens[] = { - {pohmelfs_opt_idx, "idx=%u"}, - {pohmelfs_opt_crypto_thread_num, "crypto_thread_num=%u"}, - {pohmelfs_opt_trans_max_pages, "trans_max_pages=%u"}, - {pohmelfs_opt_crypto_fail_unsupported, "crypto_fail_unsupported"}, - {pohmelfs_opt_trans_scan_timeout, "trans_scan_timeout=%u"}, - {pohmelfs_opt_drop_scan_timeout, "drop_scan_timeout=%u"}, - {pohmelfs_opt_wait_on_page_timeout, "wait_on_page_timeout=%u"}, - {pohmelfs_opt_trans_retries, "trans_retries=%u"}, - {pohmelfs_opt_mcache_timeout, "mcache_timeout=%u"}, -}; - -static int pohmelfs_parse_options(char *options, struct pohmelfs_sb *psb, int remount) -{ - char *p; - substring_t args[MAX_OPT_ARGS]; - int option, err; - - if (!options) - return 0; - - while ((p = strsep(&options, ",")) != NULL) { - int token; - if (!*p) - continue; - - token = match_token(p, pohmelfs_tokens, args); - - err = match_int(&args[0], &option); - if (err) - return err; - - if (remount && token <= pohmelfs_opt_crypto_fail_unsupported) - continue; - - switch (token) { - case pohmelfs_opt_idx: - psb->idx = option; - break; - case pohmelfs_opt_trans_scan_timeout: - psb->trans_scan_timeout = msecs_to_jiffies(option); - break; - case pohmelfs_opt_drop_scan_timeout: - psb->drop_scan_timeout = msecs_to_jiffies(option); - break; - case pohmelfs_opt_wait_on_page_timeout: - psb->wait_on_page_timeout = msecs_to_jiffies(option); - break; - case pohmelfs_opt_mcache_timeout: - psb->mcache_timeout = msecs_to_jiffies(option); - break; - case pohmelfs_opt_trans_retries: - psb->trans_retries = option; - break; - case pohmelfs_opt_crypto_thread_num: - psb->crypto_thread_num = option; - break; - case pohmelfs_opt_trans_max_pages: - psb->trans_max_pages = option; - break; - case pohmelfs_opt_crypto_fail_unsupported: - psb->crypto_fail_unsupported = 1; - break; - default: - return -EINVAL; - } - } - - return 0; -} - -static int pohmelfs_remount(struct super_block *sb, int *flags, char *data) -{ - int err; - struct pohmelfs_sb *psb = POHMELFS_SB(sb); - unsigned long old_sb_flags = sb->s_flags; - - err = pohmelfs_parse_options(data, psb, 1); - if (err) - goto err_out_restore; - - if (!(*flags & MS_RDONLY)) - sb->s_flags &= ~MS_RDONLY; - return 0; - -err_out_restore: - sb->s_flags = old_sb_flags; - return err; -} - -static void pohmelfs_flush_inode(struct pohmelfs_inode *pi, unsigned int count) -{ - struct inode *inode = &pi->vfs_inode; - - dprintk("%s: %p: ino: %llu, owned: %d.\n", - __func__, inode, pi->ino, test_bit(NETFS_INODE_OWNED, &pi->state)); - - mutex_lock(&inode->i_mutex); - if (test_and_clear_bit(NETFS_INODE_OWNED, &pi->state)) { - filemap_fdatawrite(inode->i_mapping); - inode->i_sb->s_op->write_inode(inode, 0); - } - -#ifdef POHMELFS_TRUNCATE_ON_INODE_FLUSH - truncate_inode_pages(inode->i_mapping, 0); -#endif - - pohmelfs_data_unlock(pi, 0, ~0, POHMELFS_WRITE_LOCK); - mutex_unlock(&inode->i_mutex); -} - -static void pohmelfs_put_inode_count(struct pohmelfs_inode *pi, unsigned int count) -{ - dprintk("%s: ino: %llu, pi: %p, inode: %p, count: %u.\n", - __func__, pi->ino, pi, &pi->vfs_inode, count); - - if (test_and_clear_bit(NETFS_INODE_NEED_FLUSH, &pi->state)) - pohmelfs_flush_inode(pi, count); - - while (count--) - iput(&pi->vfs_inode); -} - -static void pohmelfs_drop_scan(struct work_struct *work) -{ - struct pohmelfs_sb *psb = - container_of(work, struct pohmelfs_sb, drop_dwork.work); - struct pohmelfs_inode *pi; - unsigned int count = 0; - - while ((pi = pohmelfs_get_inode_from_list(psb, &psb->drop_list, &count))) - pohmelfs_put_inode_count(pi, count); - - pohmelfs_check_states(psb); - - if (psb->drop_scan_timeout) - schedule_delayed_work(&psb->drop_dwork, psb->drop_scan_timeout); -} - -/* - * Run through all transactions starting from the oldest, - * drop transaction from current state and try to send it - * to all remote nodes, which are currently installed. - */ -static void pohmelfs_trans_scan_state(struct netfs_state *st) -{ - struct rb_node *rb_node; - struct netfs_trans_dst *dst; - struct pohmelfs_sb *psb = st->psb; - unsigned int timeout = psb->trans_scan_timeout; - struct netfs_trans *t; - int err; - - mutex_lock(&st->trans_lock); - for (rb_node = rb_first(&st->trans_root); rb_node; ) { - dst = rb_entry(rb_node, struct netfs_trans_dst, state_entry); - t = dst->trans; - - if (timeout && time_after(dst->send_time + timeout, jiffies) - && dst->retries == 0) - break; - - dprintk("%s: t: %p, gen: %u, st: %p, retries: %u, max: %u.\n", - __func__, t, t->gen, st, dst->retries, psb->trans_retries); - netfs_trans_get(t); - - rb_node = rb_next(rb_node); - - err = -ETIMEDOUT; - if (timeout && (++dst->retries < psb->trans_retries)) - err = netfs_trans_resend(t, psb); - - if (err || (t->flags & NETFS_TRANS_SINGLE_DST)) { - if (netfs_trans_remove_nolock(dst, st)) - netfs_trans_drop_dst_nostate(dst); - } - - t->result = err; - netfs_trans_put(t); - } - mutex_unlock(&st->trans_lock); -} - -/* - * Walk through all installed network states and resend all - * transactions, which are old enough. - */ -static void pohmelfs_trans_scan(struct work_struct *work) -{ - struct pohmelfs_sb *psb = - container_of(work, struct pohmelfs_sb, dwork.work); - struct netfs_state *st; - struct pohmelfs_config *c; - - mutex_lock(&psb->state_lock); - list_for_each_entry(c, &psb->state_list, config_entry) { - st = &c->state; - - pohmelfs_trans_scan_state(st); - } - mutex_unlock(&psb->state_lock); - - /* - * If no timeout specified then system is in the middle of umount process, - * so no need to reschedule scanning process again. - */ - if (psb->trans_scan_timeout) - schedule_delayed_work(&psb->dwork, psb->trans_scan_timeout); -} - -int pohmelfs_meta_command_data(struct pohmelfs_inode *pi, u64 id, unsigned int cmd_op, char *addon, - unsigned int flags, netfs_trans_complete_t complete, void *priv, u64 start) -{ - struct inode *inode = &pi->vfs_inode; - struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb); - int err = 0, sz; - struct netfs_trans *t; - int path_len, addon_len = 0; - void *data; - struct netfs_inode_info *info; - struct netfs_cmd *cmd; - - dprintk("%s: ino: %llu, cmd: %u, addon: %p.\n", __func__, pi->ino, cmd_op, addon); - - path_len = pohmelfs_path_length(pi); - if (path_len < 0) { - err = path_len; - goto err_out_exit; - } - - if (addon) - addon_len = strlen(addon) + 1; /* 0-byte */ - sz = addon_len; - - if (cmd_op == NETFS_INODE_INFO) - sz += sizeof(struct netfs_inode_info); - - t = netfs_trans_alloc(psb, sz + path_len, flags, 0); - if (!t) { - err = -ENOMEM; - goto err_out_exit; - } - t->complete = complete; - t->private = priv; - - cmd = netfs_trans_current(t); - data = (void *)(cmd + 1); - - if (cmd_op == NETFS_INODE_INFO) { - info = (struct netfs_inode_info *)(cmd + 1); - data = (void *)(info + 1); - - /* - * We are under i_mutex, can read and change whatever we want... - */ - info->mode = inode->i_mode; - info->nlink = inode->i_nlink; - info->uid = inode->i_uid; - info->gid = inode->i_gid; - info->blocks = inode->i_blocks; - info->rdev = inode->i_rdev; - info->size = inode->i_size; - info->version = inode->i_version; - - netfs_convert_inode_info(info); - } - - path_len = pohmelfs_construct_path_string(pi, data, path_len); - if (path_len < 0) - goto err_out_free; - - dprintk("%s: path_len: %d.\n", __func__, path_len); - - if (addon) { - path_len--; /* Do not place null-byte before the addon */ - path_len += sprintf(data + path_len, "/%s", addon) + 1; /* 0 - byte */ - } - - sz += path_len; - - cmd->cmd = cmd_op; - cmd->ext = path_len; - cmd->size = sz; - cmd->id = id; - cmd->start = start; - - netfs_convert_cmd(cmd); - netfs_trans_update(cmd, t, sz); - - /* - * Note, that it is possible to leak error here: transaction callback will not - * be invoked for allocation path failure. - */ - return netfs_trans_finish(t, psb); - -err_out_free: - netfs_trans_free(t); -err_out_exit: - if (complete) - complete(NULL, 0, priv, err); - return err; -} - -int pohmelfs_meta_command(struct pohmelfs_inode *pi, unsigned int cmd_op, unsigned int flags, - netfs_trans_complete_t complete, void *priv, u64 start) -{ - return pohmelfs_meta_command_data(pi, pi->ino, cmd_op, NULL, flags, complete, priv, start); -} - -/* - * Send request and wait for POHMELFS root capabilities response, - * which will update server's informaion about size of the export, - * permissions, number of objects, available size and so on. - */ -static int pohmelfs_root_handshake(struct pohmelfs_sb *psb) -{ - struct netfs_trans *t; - struct netfs_cmd *cmd; - int err = -ENOMEM; - - t = netfs_trans_alloc(psb, 0, 0, 0); - if (!t) - goto err_out_exit; - - cmd = netfs_trans_current(t); - - cmd->cmd = NETFS_CAPABILITIES; - cmd->id = POHMELFS_ROOT_CAPABILITIES; - cmd->size = 0; - cmd->start = 0; - cmd->ext = 0; - cmd->csize = 0; - - netfs_convert_cmd(cmd); - netfs_trans_update(cmd, t, 0); - - err = netfs_trans_finish(t, psb); - if (err) - goto err_out_exit; - - psb->flags = ~0; - err = wait_event_interruptible_timeout(psb->wait, - (psb->flags != ~0), - psb->wait_on_page_timeout); - if (!err) - err = -ETIMEDOUT; - else if (err > 0) - err = -psb->flags; - - if (err) - goto err_out_exit; - - return 0; - -err_out_exit: - return err; -} - -static int pohmelfs_show_stats(struct seq_file *m, struct dentry *root) -{ - struct netfs_state *st; - struct pohmelfs_ctl *ctl; - struct pohmelfs_sb *psb = POHMELFS_SB(root->d_sb); - struct pohmelfs_config *c; - - mutex_lock(&psb->state_lock); - - seq_printf(m, "\nidx addr(:port) socket_type protocol active priority permissions\n"); - - list_for_each_entry(c, &psb->state_list, config_entry) { - st = &c->state; - ctl = &st->ctl; - - seq_printf(m, "%u ", ctl->idx); - if (ctl->addr.sa_family == AF_INET) { - struct sockaddr_in *sin = (struct sockaddr_in *)&st->ctl.addr; - seq_printf(m, "%pI4:%u", &sin->sin_addr.s_addr, ntohs(sin->sin_port)); - } else if (ctl->addr.sa_family == AF_INET6) { - struct sockaddr_in6 *sin = (struct sockaddr_in6 *)&st->ctl.addr; - seq_printf(m, "%pi6:%u", &sin->sin6_addr, ntohs(sin->sin6_port)); - } else { - unsigned int i; - for (i = 0; i < ctl->addrlen; ++i) - seq_printf(m, "%02x.", ctl->addr.addr[i]); - } - - seq_printf(m, " %u %u %d %u %x\n", - ctl->type, ctl->proto, - st->socket != NULL, - ctl->prio, ctl->perm); - } - mutex_unlock(&psb->state_lock); - - return 0; -} - -static const struct super_operations pohmelfs_sb_ops = { - .alloc_inode = pohmelfs_alloc_inode, - .destroy_inode = pohmelfs_destroy_inode, - .drop_inode = pohmelfs_drop_inode, - .write_inode = pohmelfs_write_inode, - .put_super = pohmelfs_put_super, - .remount_fs = pohmelfs_remount, - .statfs = pohmelfs_statfs, - .show_options = pohmelfs_show_options, - .show_stats = pohmelfs_show_stats, -}; - -/* - * Allocate private superblock and create root dir. - */ -static int pohmelfs_fill_super(struct super_block *sb, void *data, int silent) -{ - struct pohmelfs_sb *psb; - int err = -ENOMEM; - struct inode *root; - struct pohmelfs_inode *npi; - struct qstr str; - - psb = kzalloc(sizeof(struct pohmelfs_sb), GFP_KERNEL); - if (!psb) - goto err_out_exit; - - err = bdi_init(&psb->bdi); - if (err) - goto err_out_free_sb; - - err = bdi_register(&psb->bdi, NULL, "pfs-%d", atomic_inc_return(&psb_bdi_num)); - if (err) { - bdi_destroy(&psb->bdi); - goto err_out_free_sb; - } - - sb->s_fs_info = psb; - sb->s_op = &pohmelfs_sb_ops; - sb->s_magic = POHMELFS_MAGIC_NUM; - sb->s_maxbytes = MAX_LFS_FILESIZE; - sb->s_blocksize = PAGE_SIZE; - sb->s_bdi = &psb->bdi; - - psb->sb = sb; - - psb->ino = 2; - psb->idx = 0; - psb->active_state = NULL; - psb->trans_retries = 5; - psb->trans_data_size = PAGE_SIZE; - psb->drop_scan_timeout = msecs_to_jiffies(1000); - psb->trans_scan_timeout = msecs_to_jiffies(5000); - psb->wait_on_page_timeout = msecs_to_jiffies(5000); - init_waitqueue_head(&psb->wait); - - spin_lock_init(&psb->ino_lock); - - INIT_LIST_HEAD(&psb->drop_list); - - mutex_init(&psb->mcache_lock); - psb->mcache_root = RB_ROOT; - psb->mcache_timeout = msecs_to_jiffies(5000); - atomic_long_set(&psb->mcache_gen, 0); - - psb->trans_max_pages = 100; - - psb->crypto_align_size = 16; - psb->crypto_attached_size = 0; - psb->hash_strlen = 0; - psb->cipher_strlen = 0; - psb->perform_crypto = 0; - psb->crypto_thread_num = 2; - psb->crypto_fail_unsupported = 0; - mutex_init(&psb->crypto_thread_lock); - INIT_LIST_HEAD(&psb->crypto_ready_list); - INIT_LIST_HEAD(&psb->crypto_active_list); - - atomic_set(&psb->trans_gen, 1); - atomic_long_set(&psb->total_inodes, 0); - - mutex_init(&psb->state_lock); - INIT_LIST_HEAD(&psb->state_list); - - err = pohmelfs_parse_options((char *) data, psb, 0); - if (err) - goto err_out_free_bdi; - - err = pohmelfs_copy_crypto(psb); - if (err) - goto err_out_free_bdi; - - err = pohmelfs_state_init(psb); - if (err) - goto err_out_free_strings; - - err = pohmelfs_crypto_init(psb); - if (err) - goto err_out_state_exit; - - err = pohmelfs_root_handshake(psb); - if (err) - goto err_out_crypto_exit; - - str.name = "/"; - str.hash = jhash("/", 1, 0); - str.len = 1; - - npi = pohmelfs_create_entry_local(psb, NULL, &str, 0, 0755|S_IFDIR); - if (IS_ERR(npi)) { - err = PTR_ERR(npi); - goto err_out_crypto_exit; - } - set_bit(NETFS_INODE_REMOTE_SYNCED, &npi->state); - clear_bit(NETFS_INODE_OWNED, &npi->state); - - root = &npi->vfs_inode; - - sb->s_root = d_alloc_root(root); - if (!sb->s_root) - goto err_out_put_root; - - INIT_DELAYED_WORK(&psb->drop_dwork, pohmelfs_drop_scan); - schedule_delayed_work(&psb->drop_dwork, psb->drop_scan_timeout); - - INIT_DELAYED_WORK(&psb->dwork, pohmelfs_trans_scan); - schedule_delayed_work(&psb->dwork, psb->trans_scan_timeout); - - return 0; - -err_out_put_root: - iput(root); -err_out_crypto_exit: - pohmelfs_crypto_exit(psb); -err_out_state_exit: - pohmelfs_state_exit(psb); -err_out_free_strings: - kfree(psb->cipher_string); - kfree(psb->hash_string); -err_out_free_bdi: - bdi_destroy(&psb->bdi); -err_out_free_sb: - kfree(psb); -err_out_exit: - - dprintk("%s: err: %d.\n", __func__, err); - return err; -} - -/* - * Some VFS magic here... - */ -static struct dentry *pohmelfs_mount(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) -{ - return mount_nodev(fs_type, flags, data, pohmelfs_fill_super); -} - -/* - * We need this to sync all inodes earlier, since when writeback - * is invoked from the umount/mntput path dcache is already shrunk, - * see generic_shutdown_super(), and no inodes can access the path. - */ -static void pohmelfs_kill_super(struct super_block *sb) -{ - sync_inodes_sb(sb); - kill_anon_super(sb); -} - -static struct file_system_type pohmel_fs_type = { - .owner = THIS_MODULE, - .name = "pohmel", - .mount = pohmelfs_mount, - .kill_sb = pohmelfs_kill_super, -}; - -/* - * Cache and module initializations and freeing routings. - */ -static void pohmelfs_init_once(void *data) -{ - struct pohmelfs_inode *pi = data; - - inode_init_once(&pi->vfs_inode); -} - -static int __init pohmelfs_init_inodecache(void) -{ - pohmelfs_inode_cache = kmem_cache_create("pohmelfs_inode_cache", - sizeof(struct pohmelfs_inode), - 0, (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD), - pohmelfs_init_once); - if (!pohmelfs_inode_cache) - return -ENOMEM; - - return 0; -} - -static void pohmelfs_destroy_inodecache(void) -{ - kmem_cache_destroy(pohmelfs_inode_cache); -} - -static int __init init_pohmel_fs(void) -{ - int err; - - err = pohmelfs_config_init(); - if (err) - goto err_out_exit; - - err = pohmelfs_init_inodecache(); - if (err) - goto err_out_config_exit; - - err = pohmelfs_mcache_init(); - if (err) - goto err_out_destroy; - - err = netfs_trans_init(); - if (err) - goto err_out_mcache_exit; - - err = register_filesystem(&pohmel_fs_type); - if (err) - goto err_out_trans; - - return 0; - -err_out_trans: - netfs_trans_exit(); -err_out_mcache_exit: - pohmelfs_mcache_exit(); -err_out_destroy: - pohmelfs_destroy_inodecache(); -err_out_config_exit: - pohmelfs_config_exit(); -err_out_exit: - return err; -} - -static void __exit exit_pohmel_fs(void) -{ - unregister_filesystem(&pohmel_fs_type); - pohmelfs_destroy_inodecache(); - pohmelfs_mcache_exit(); - pohmelfs_config_exit(); - netfs_trans_exit(); -} - -module_init(init_pohmel_fs); -module_exit(exit_pohmel_fs); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>"); -MODULE_DESCRIPTION("Pohmel filesystem"); diff --git a/drivers/staging/pohmelfs/lock.c b/drivers/staging/pohmelfs/lock.c deleted file mode 100644 index 6710114cd42596..00000000000000 --- a/drivers/staging/pohmelfs/lock.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net> - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/module.h> -#include <linux/backing-dev.h> -#include <linux/fs.h> -#include <linux/fsnotify.h> -#include <linux/mempool.h> - -#include "netfs.h" - -static int pohmelfs_send_lock_trans(struct pohmelfs_inode *pi, - u64 id, u64 start, u32 size, int type) -{ - struct inode *inode = &pi->vfs_inode; - struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb); - struct netfs_trans *t; - struct netfs_cmd *cmd; - int path_len, err; - void *data; - struct netfs_lock *l; - int isize = (type & POHMELFS_LOCK_GRAB) ? 0 : sizeof(struct netfs_inode_info); - - err = pohmelfs_path_length(pi); - if (err < 0) - goto err_out_exit; - - path_len = err; - - err = -ENOMEM; - t = netfs_trans_alloc(psb, path_len + sizeof(struct netfs_lock) + isize, - NETFS_TRANS_SINGLE_DST, 0); - if (!t) - goto err_out_exit; - - cmd = netfs_trans_current(t); - data = cmd + 1; - - err = pohmelfs_construct_path_string(pi, data, path_len); - if (err < 0) - goto err_out_free; - path_len = err; - - l = data + path_len; - - l->start = start; - l->size = size; - l->type = type; - l->ino = pi->ino; - - cmd->cmd = NETFS_LOCK; - cmd->start = 0; - cmd->id = id; - cmd->size = sizeof(struct netfs_lock) + path_len + isize; - cmd->ext = path_len; - cmd->csize = 0; - - netfs_convert_cmd(cmd); - netfs_convert_lock(l); - - if (isize) { - struct netfs_inode_info *info = (struct netfs_inode_info *)(l + 1); - - info->mode = inode->i_mode; - info->nlink = inode->i_nlink; - info->uid = inode->i_uid; - info->gid = inode->i_gid; - info->blocks = inode->i_blocks; - info->rdev = inode->i_rdev; - info->size = inode->i_size; - info->version = inode->i_version; - - netfs_convert_inode_info(info); - } - - netfs_trans_update(cmd, t, path_len + sizeof(struct netfs_lock) + isize); - - return netfs_trans_finish(t, psb); - -err_out_free: - netfs_trans_free(t); -err_out_exit: - printk("%s: err: %d.\n", __func__, err); - return err; -} - -int pohmelfs_data_lock(struct pohmelfs_inode *pi, u64 start, u32 size, int type) -{ - struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb); - struct pohmelfs_mcache *m; - int err = -ENOMEM; - struct iattr iattr; - struct inode *inode = &pi->vfs_inode; - - dprintk("%s: %p: ino: %llu, start: %llu, size: %u, " - "type: %d, locked as: %d, owned: %d.\n", - __func__, &pi->vfs_inode, pi->ino, - start, size, type, pi->lock_type, - !!test_bit(NETFS_INODE_OWNED, &pi->state)); - - if (!pohmelfs_need_lock(pi, type)) - return 0; - - m = pohmelfs_mcache_alloc(psb, start, size, NULL); - if (IS_ERR(m)) - return PTR_ERR(m); - - err = pohmelfs_send_lock_trans(pi, m->gen, start, size, - type | POHMELFS_LOCK_GRAB); - if (err) - goto err_out_put; - - err = wait_for_completion_timeout(&m->complete, psb->mcache_timeout); - if (err) - err = m->err; - else - err = -ETIMEDOUT; - - if (err) { - printk("%s: %p: ino: %llu, mgen: %llu, start: %llu, size: %u, err: %d.\n", - __func__, &pi->vfs_inode, pi->ino, m->gen, start, size, err); - } - - if (err && (err != -ENOENT)) - goto err_out_put; - - if (!err) { - netfs_convert_inode_info(&m->info); - - iattr.ia_valid = ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_SIZE | ATTR_ATIME; - iattr.ia_mode = m->info.mode; - iattr.ia_uid = m->info.uid; - iattr.ia_gid = m->info.gid; - iattr.ia_size = m->info.size; - iattr.ia_atime = CURRENT_TIME; - - dprintk("%s: %p: ino: %llu, mgen: %llu, start: %llu, isize: %llu -> %llu.\n", - __func__, &pi->vfs_inode, pi->ino, m->gen, start, inode->i_size, m->info.size); - - err = pohmelfs_setattr_raw(inode, &iattr); - if (!err) { - struct dentry *dentry = d_find_alias(inode); - if (dentry) { - fsnotify_change(dentry, iattr.ia_valid); - dput(dentry); - } - } - } - - pi->lock_type = type; - set_bit(NETFS_INODE_OWNED, &pi->state); - - pohmelfs_mcache_put(psb, m); - - return 0; - -err_out_put: - pohmelfs_mcache_put(psb, m); - return err; -} - -int pohmelfs_data_unlock(struct pohmelfs_inode *pi, u64 start, u32 size, int type) -{ - dprintk("%s: %p: ino: %llu, start: %llu, size: %u, type: %d.\n", - __func__, &pi->vfs_inode, pi->ino, start, size, type); - pi->lock_type = 0; - clear_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &pi->state); - clear_bit(NETFS_INODE_OWNED, &pi->state); - return pohmelfs_send_lock_trans(pi, pi->ino, start, size, type); -} diff --git a/drivers/staging/pohmelfs/mcache.c b/drivers/staging/pohmelfs/mcache.c deleted file mode 100644 index e22665cdd16c67..00000000000000 --- a/drivers/staging/pohmelfs/mcache.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net> - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/mempool.h> - -#include "netfs.h" - -static struct kmem_cache *pohmelfs_mcache_cache; -static mempool_t *pohmelfs_mcache_pool; - -static inline int pohmelfs_mcache_cmp(u64 gen, u64 new) -{ - if (gen < new) - return 1; - if (gen > new) - return -1; - return 0; -} - -struct pohmelfs_mcache *pohmelfs_mcache_search(struct pohmelfs_sb *psb, u64 gen) -{ - struct rb_root *root = &psb->mcache_root; - struct rb_node *n = root->rb_node; - struct pohmelfs_mcache *tmp, *ret = NULL; - int cmp; - - while (n) { - tmp = rb_entry(n, struct pohmelfs_mcache, mcache_entry); - - cmp = pohmelfs_mcache_cmp(tmp->gen, gen); - if (cmp < 0) - n = n->rb_left; - else if (cmp > 0) - n = n->rb_right; - else { - ret = tmp; - pohmelfs_mcache_get(ret); - break; - } - } - - return ret; -} - -static int pohmelfs_mcache_insert(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m) -{ - struct rb_root *root = &psb->mcache_root; - struct rb_node **n = &root->rb_node, *parent = NULL; - struct pohmelfs_mcache *ret = NULL, *tmp; - int cmp; - - while (*n) { - parent = *n; - - tmp = rb_entry(parent, struct pohmelfs_mcache, mcache_entry); - - cmp = pohmelfs_mcache_cmp(tmp->gen, m->gen); - if (cmp < 0) - n = &parent->rb_left; - else if (cmp > 0) - n = &parent->rb_right; - else { - ret = tmp; - break; - } - } - - if (ret) - return -EEXIST; - - rb_link_node(&m->mcache_entry, parent, n); - rb_insert_color(&m->mcache_entry, root); - - return 0; -} - -static int pohmelfs_mcache_remove(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m) -{ - if (m && m->mcache_entry.rb_parent_color) { - rb_erase(&m->mcache_entry, &psb->mcache_root); - m->mcache_entry.rb_parent_color = 0; - return 1; - } - return 0; -} - -void pohmelfs_mcache_remove_locked(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m) -{ - mutex_lock(&psb->mcache_lock); - pohmelfs_mcache_remove(psb, m); - mutex_unlock(&psb->mcache_lock); -} - -struct pohmelfs_mcache *pohmelfs_mcache_alloc(struct pohmelfs_sb *psb, u64 start, - unsigned int size, void *data) -{ - struct pohmelfs_mcache *m; - int err = -ENOMEM; - - m = mempool_alloc(pohmelfs_mcache_pool, GFP_KERNEL); - if (!m) - goto err_out_exit; - - init_completion(&m->complete); - m->err = 0; - atomic_set(&m->refcnt, 1); - m->data = data; - m->start = start; - m->size = size; - m->gen = atomic_long_inc_return(&psb->mcache_gen); - - mutex_lock(&psb->mcache_lock); - err = pohmelfs_mcache_insert(psb, m); - mutex_unlock(&psb->mcache_lock); - if (err) - goto err_out_free; - - return m; - -err_out_free: - mempool_free(m, pohmelfs_mcache_pool); -err_out_exit: - return ERR_PTR(err); -} - -void pohmelfs_mcache_free(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m) -{ - pohmelfs_mcache_remove_locked(psb, m); - - mempool_free(m, pohmelfs_mcache_pool); -} - -int __init pohmelfs_mcache_init(void) -{ - pohmelfs_mcache_cache = kmem_cache_create("pohmelfs_mcache_cache", - sizeof(struct pohmelfs_mcache), - 0, (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD), NULL); - if (!pohmelfs_mcache_cache) - goto err_out_exit; - - pohmelfs_mcache_pool = mempool_create_slab_pool(256, pohmelfs_mcache_cache); - if (!pohmelfs_mcache_pool) - goto err_out_free; - - return 0; - -err_out_free: - kmem_cache_destroy(pohmelfs_mcache_cache); -err_out_exit: - return -ENOMEM; -} - -void pohmelfs_mcache_exit(void) -{ - mempool_destroy(pohmelfs_mcache_pool); - kmem_cache_destroy(pohmelfs_mcache_cache); -} diff --git a/drivers/staging/pohmelfs/net.c b/drivers/staging/pohmelfs/net.c deleted file mode 100644 index b2e91862208880..00000000000000 --- a/drivers/staging/pohmelfs/net.c +++ /dev/null @@ -1,1209 +0,0 @@ -/* - * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net> - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/fsnotify.h> -#include <linux/jhash.h> -#include <linux/in.h> -#include <linux/in6.h> -#include <linux/kthread.h> -#include <linux/pagemap.h> -#include <linux/poll.h> -#include <linux/slab.h> -#include <linux/swap.h> -#include <linux/syscalls.h> -#include <linux/vmalloc.h> - -#include "netfs.h" - -/* - * Async machinery lives here. - * All commands being sent to server do _not_ require sync reply, - * instead, if it is really needed, like readdir or readpage, caller - * sleeps waiting for data, which will be placed into provided buffer - * and caller will be awakened. - * - * Every command response can come without some listener. For example - * readdir response will add new objects into cache without appropriate - * request from userspace. This is used in cache coherency. - * - * If object is not found for given data, it is discarded. - * - * All requests are received by dedicated kernel thread. - */ - -/* - * Basic network sending/receiving functions. - * Blocked mode is used. - */ -static int netfs_data_recv(struct netfs_state *st, void *buf, u64 size) -{ - struct msghdr msg; - struct kvec iov; - int err; - - BUG_ON(!size); - - iov.iov_base = buf; - iov.iov_len = size; - - msg.msg_iov = (struct iovec *)&iov; - msg.msg_iovlen = 1; - msg.msg_name = NULL; - msg.msg_namelen = 0; - msg.msg_control = NULL; - msg.msg_controllen = 0; - msg.msg_flags = MSG_DONTWAIT; - - err = kernel_recvmsg(st->socket, &msg, &iov, 1, iov.iov_len, - msg.msg_flags); - if (err <= 0) { - printk("%s: failed to recv data: size: %llu, err: %d.\n", __func__, size, err); - if (err == 0) - err = -ECONNRESET; - } - - return err; -} - -static int pohmelfs_data_recv(struct netfs_state *st, void *data, unsigned int size) -{ - unsigned int revents = 0; - unsigned int err_mask = POLLERR | POLLHUP | POLLRDHUP; - unsigned int mask = err_mask | POLLIN; - int err = 0; - - while (size && !err) { - revents = netfs_state_poll(st); - - if (!(revents & mask)) { - DEFINE_WAIT(wait); - - for (;;) { - prepare_to_wait(&st->thread_wait, &wait, TASK_INTERRUPTIBLE); - if (kthread_should_stop()) - break; - - revents = netfs_state_poll(st); - - if (revents & mask) - break; - - if (signal_pending(current)) - break; - - schedule(); - continue; - } - finish_wait(&st->thread_wait, &wait); - } - - err = 0; - netfs_state_lock(st); - if (st->socket && (st->read_socket == st->socket) && (revents & POLLIN)) { - err = netfs_data_recv(st, data, size); - if (err > 0) { - data += err; - size -= err; - err = 0; - } else if (err == 0) - err = -ECONNRESET; - } - - if (revents & err_mask) { - printk("%s: revents: %x, socket: %p, size: %u, err: %d.\n", - __func__, revents, st->socket, size, err); - err = -ECONNRESET; - } - netfs_state_unlock(st); - - if (err < 0) { - if (netfs_state_trylock_send(st)) { - netfs_state_exit(st); - err = netfs_state_init(st); - if (!err) - err = -EAGAIN; - netfs_state_unlock_send(st); - } else { - st->need_reset = 1; - } - } - - if (kthread_should_stop()) - err = -ENODEV; - - if (err) - printk("%s: socket: %p, read_socket: %p, revents: %x, rev_error: %d, " - "should_stop: %d, size: %u, err: %d.\n", - __func__, st->socket, st->read_socket, - revents, revents & err_mask, kthread_should_stop(), size, err); - } - - return err; -} - -int pohmelfs_data_recv_and_check(struct netfs_state *st, void *data, unsigned int size) -{ - struct netfs_cmd *cmd = &st->cmd; - int err; - - err = pohmelfs_data_recv(st, data, size); - if (err) - return err; - - return pohmelfs_crypto_process_input_data(&st->eng, cmd->iv, data, NULL, size); -} - -/* - * Polling machinery. - */ - -struct netfs_poll_helper { - poll_table pt; - struct netfs_state *st; -}; - -static int netfs_queue_wake(wait_queue_t *wait, unsigned mode, int sync, void *key) -{ - struct netfs_state *st = container_of(wait, struct netfs_state, wait); - - wake_up(&st->thread_wait); - return 1; -} - -static void netfs_queue_func(struct file *file, wait_queue_head_t *whead, - poll_table *pt) -{ - struct netfs_state *st = container_of(pt, struct netfs_poll_helper, pt)->st; - - st->whead = whead; - init_waitqueue_func_entry(&st->wait, netfs_queue_wake); - add_wait_queue(whead, &st->wait); -} - -static void netfs_poll_exit(struct netfs_state *st) -{ - if (st->whead) { - remove_wait_queue(st->whead, &st->wait); - st->whead = NULL; - } -} - -static int netfs_poll_init(struct netfs_state *st) -{ - struct netfs_poll_helper ph; - - ph.st = st; - init_poll_funcptr(&ph.pt, &netfs_queue_func); - - st->socket->ops->poll(NULL, st->socket, &ph.pt); - return 0; -} - -/* - * Get response for readpage command. We search inode and page in its mapping - * and copy data into. If it was async request, then we queue page into shared - * data and wakeup listener, who will copy it to userspace. - * - * There is a work in progress of allowing to call copy_to_user() directly from - * async receiving kernel thread. - */ -static int pohmelfs_read_page_response(struct netfs_state *st) -{ - struct pohmelfs_sb *psb = st->psb; - struct netfs_cmd *cmd = &st->cmd; - struct inode *inode; - struct page *page; - int err = 0; - - if (cmd->size > PAGE_CACHE_SIZE) { - err = -EINVAL; - goto err_out_exit; - } - - inode = ilookup(st->psb->sb, cmd->id); - if (!inode) { - printk("%s: failed to find inode: id: %llu.\n", __func__, cmd->id); - err = -ENOENT; - goto err_out_exit; - } - - page = find_get_page(inode->i_mapping, cmd->start >> PAGE_CACHE_SHIFT); - if (!page || !PageLocked(page)) { - printk("%s: failed to find/lock page: page: %p, id: %llu, start: %llu, index: %llu.\n", - __func__, page, cmd->id, cmd->start, cmd->start >> PAGE_CACHE_SHIFT); - - while (cmd->size) { - unsigned int sz = min(cmd->size, st->size); - - err = pohmelfs_data_recv(st, st->data, sz); - if (err) - break; - - cmd->size -= sz; - } - - err = -ENODEV; - if (page) - goto err_out_page_put; - goto err_out_put; - } - - if (cmd->size) { - void *addr; - - addr = kmap(page); - err = pohmelfs_data_recv(st, addr, cmd->size); - kunmap(page); - - if (err) - goto err_out_page_unlock; - } - - dprintk("%s: page: %p, start: %llu, size: %u, locked: %d.\n", - __func__, page, cmd->start, cmd->size, PageLocked(page)); - - SetPageChecked(page); - if ((psb->hash_string || psb->cipher_string) && psb->perform_crypto && cmd->size) { - err = pohmelfs_crypto_process_input_page(&st->eng, page, cmd->size, cmd->iv); - if (err < 0) - goto err_out_page_unlock; - } else { - SetPageUptodate(page); - unlock_page(page); - page_cache_release(page); - } - - pohmelfs_put_inode(POHMELFS_I(inode)); - wake_up(&st->psb->wait); - - return 0; - -err_out_page_unlock: - SetPageError(page); - unlock_page(page); -err_out_page_put: - page_cache_release(page); -err_out_put: - pohmelfs_put_inode(POHMELFS_I(inode)); -err_out_exit: - wake_up(&st->psb->wait); - return err; -} - -static int pohmelfs_check_name(struct pohmelfs_inode *parent, struct qstr *str, - struct netfs_inode_info *info) -{ - struct inode *inode; - struct pohmelfs_name *n; - int err = 0; - u64 ino = 0; - - mutex_lock(&parent->offset_lock); - n = pohmelfs_search_hash(parent, str->hash); - if (n) - ino = n->ino; - mutex_unlock(&parent->offset_lock); - - if (!ino) - goto out; - - inode = ilookup(parent->vfs_inode.i_sb, ino); - if (!inode) - goto out; - - dprintk("%s: parent: %llu, inode: %llu.\n", __func__, parent->ino, ino); - - pohmelfs_fill_inode(inode, info); - pohmelfs_put_inode(POHMELFS_I(inode)); - err = -EEXIST; -out: - return err; -} - -/* - * Readdir response from server. If special field is set, we wakeup - * listener (readdir() call), which will copy data to userspace. - */ -static int pohmelfs_readdir_response(struct netfs_state *st) -{ - struct inode *inode; - struct netfs_cmd *cmd = &st->cmd; - struct netfs_inode_info *info; - struct pohmelfs_inode *parent = NULL, *npi; - int err = 0, last = cmd->ext; - struct qstr str; - - if (cmd->size > st->size) - return -EINVAL; - - inode = ilookup(st->psb->sb, cmd->id); - if (!inode) { - printk("%s: failed to find inode: id: %llu.\n", __func__, cmd->id); - return -ENOENT; - } - parent = POHMELFS_I(inode); - - if (!cmd->size && cmd->start) { - err = -cmd->start; - goto out; - } - - if (cmd->size) { - char *name; - - err = pohmelfs_data_recv_and_check(st, st->data, cmd->size); - if (err) - goto err_out_put; - - info = (struct netfs_inode_info *)(st->data); - - name = (char *)(info + 1); - str.len = cmd->size - sizeof(struct netfs_inode_info) - 1 - cmd->cpad; - name[str.len] = 0; - str.name = name; - str.hash = jhash(str.name, str.len, 0); - - netfs_convert_inode_info(info); - - if (parent) { - err = pohmelfs_check_name(parent, &str, info); - if (err) { - if (err == -EEXIST) - err = 0; - goto out; - } - } - - info->ino = cmd->start; - if (!info->ino) - info->ino = pohmelfs_new_ino(st->psb); - - dprintk("%s: parent: %llu, ino: %llu, name: '%s', hash: %x, len: %u, mode: %o.\n", - __func__, parent->ino, info->ino, str.name, str.hash, str.len, - info->mode); - - npi = pohmelfs_new_inode(st->psb, parent, &str, info, 0); - if (IS_ERR(npi)) { - err = PTR_ERR(npi); - - if (err != -EEXIST) - goto err_out_put; - } else { - struct dentry *dentry, *alias, *pd; - - set_bit(NETFS_INODE_REMOTE_SYNCED, &npi->state); - clear_bit(NETFS_INODE_OWNED, &npi->state); - - pd = d_find_alias(&parent->vfs_inode); - if (pd) { - str.hash = full_name_hash(str.name, str.len); - dentry = d_alloc(pd, &str); - if (dentry) { - alias = d_materialise_unique(dentry, &npi->vfs_inode); - if (alias) - dput(alias); - } - - dput(dentry); - dput(pd); - } - } - } -out: - if (last) { - set_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &parent->state); - set_bit(NETFS_INODE_REMOTE_SYNCED, &parent->state); - wake_up(&st->psb->wait); - } - pohmelfs_put_inode(parent); - - return err; - -err_out_put: - clear_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &parent->state); - printk("%s: parent: %llu, ino: %llu, cmd_id: %llu.\n", __func__, parent->ino, cmd->start, cmd->id); - pohmelfs_put_inode(parent); - wake_up(&st->psb->wait); - return err; -} - -/* - * Lookup command response. - * It searches for inode to be looked at (if it exists) and substitutes - * its inode information (size, permission, mode and so on), if inode does - * not exist, new one will be created and inserted into caches. - */ -static int pohmelfs_lookup_response(struct netfs_state *st) -{ - struct inode *inode = NULL; - struct netfs_cmd *cmd = &st->cmd; - struct netfs_inode_info *info; - struct pohmelfs_inode *parent = NULL, *npi; - int err = -EINVAL; - char *name; - - inode = ilookup(st->psb->sb, cmd->id); - if (!inode) { - printk("%s: lookup response: id: %llu, start: %llu, size: %u.\n", - __func__, cmd->id, cmd->start, cmd->size); - err = -ENOENT; - goto err_out_exit; - } - parent = POHMELFS_I(inode); - - if (!cmd->size) { - err = -cmd->start; - goto err_out_put; - } - - if (cmd->size < sizeof(struct netfs_inode_info)) { - printk("%s: broken lookup response: id: %llu, start: %llu, size: %u.\n", - __func__, cmd->id, cmd->start, cmd->size); - err = -EINVAL; - goto err_out_put; - } - - err = pohmelfs_data_recv_and_check(st, st->data, cmd->size); - if (err) - goto err_out_put; - - info = (struct netfs_inode_info *)(st->data); - name = (char *)(info + 1); - - netfs_convert_inode_info(info); - - info->ino = cmd->start; - if (!info->ino) - info->ino = pohmelfs_new_ino(st->psb); - - dprintk("%s: parent: %llu, ino: %llu, name: '%s', start: %llu.\n", - __func__, parent->ino, info->ino, name, cmd->start); - - if (cmd->start) - npi = pohmelfs_new_inode(st->psb, parent, NULL, info, 0); - else { - struct qstr str; - - str.name = name; - str.len = cmd->size - sizeof(struct netfs_inode_info) - 1 - cmd->cpad; - str.hash = jhash(name, str.len, 0); - - npi = pohmelfs_new_inode(st->psb, parent, &str, info, 0); - } - if (IS_ERR(npi)) { - err = PTR_ERR(npi); - - if (err != -EEXIST) - goto err_out_put; - } else { - set_bit(NETFS_INODE_REMOTE_SYNCED, &npi->state); - clear_bit(NETFS_INODE_OWNED, &npi->state); - } - - clear_bit(NETFS_COMMAND_PENDING, &parent->state); - pohmelfs_put_inode(parent); - - wake_up(&st->psb->wait); - - return 0; - -err_out_put: - pohmelfs_put_inode(parent); -err_out_exit: - clear_bit(NETFS_COMMAND_PENDING, &parent->state); - wake_up(&st->psb->wait); - printk("%s: inode: %p, id: %llu, start: %llu, size: %u, err: %d.\n", - __func__, inode, cmd->id, cmd->start, cmd->size, err); - return err; -} - -/* - * Create response, just marks local inode as 'created', so that writeback - * for any of its children (or own) would not try to sync it again. - */ -static int pohmelfs_create_response(struct netfs_state *st) -{ - struct inode *inode; - struct netfs_cmd *cmd = &st->cmd; - struct pohmelfs_inode *pi; - - inode = ilookup(st->psb->sb, cmd->id); - if (!inode) { - printk("%s: failed to find inode: id: %llu, start: %llu.\n", - __func__, cmd->id, cmd->start); - goto err_out_exit; - } - - pi = POHMELFS_I(inode); - - /* - * To lock or not to lock? - * We actually do not care if it races... - */ - if (cmd->start) - make_bad_inode(inode); - set_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state); - - pohmelfs_put_inode(pi); - - wake_up(&st->psb->wait); - return 0; - -err_out_exit: - wake_up(&st->psb->wait); - return -ENOENT; -} - -/* - * Object remove response. Just says that remove request has been received. - * Used in cache coherency protocol. - */ -static int pohmelfs_remove_response(struct netfs_state *st) -{ - struct netfs_cmd *cmd = &st->cmd; - int err; - - err = pohmelfs_data_recv_and_check(st, st->data, cmd->size); - if (err) - return err; - - dprintk("%s: parent: %llu, path: '%s'.\n", __func__, cmd->id, (char *)st->data); - - return 0; -} - -/* - * Transaction reply processing. - * - * Find transaction based on its generation number, bump its reference counter, - * so that none could free it under us, drop from the trees and lists and - * drop reference counter. When it hits zero (when all destinations replied - * and all timeout handled by async scanning code), completion will be called - * and transaction will be freed. - */ -static int pohmelfs_transaction_response(struct netfs_state *st) -{ - struct netfs_trans_dst *dst; - struct netfs_trans *t = NULL; - struct netfs_cmd *cmd = &st->cmd; - short err = (signed)cmd->ext; - - mutex_lock(&st->trans_lock); - dst = netfs_trans_search(st, cmd->start); - if (dst) { - netfs_trans_remove_nolock(dst, st); - t = dst->trans; - } - mutex_unlock(&st->trans_lock); - - if (!t) { - printk("%s: failed to find transaction: start: %llu: id: %llu, size: %u, ext: %u.\n", - __func__, cmd->start, cmd->id, cmd->size, cmd->ext); - err = -EINVAL; - goto out; - } - - t->result = err; - netfs_trans_drop_dst_nostate(dst); - -out: - wake_up(&st->psb->wait); - return err; -} - -/* - * Inode metadata cache coherency message. - */ -static int pohmelfs_page_cache_response(struct netfs_state *st) -{ - struct netfs_cmd *cmd = &st->cmd; - struct inode *inode; - - dprintk("%s: st: %p, id: %llu, start: %llu, size: %u.\n", __func__, st, cmd->id, cmd->start, cmd->size); - - inode = ilookup(st->psb->sb, cmd->id); - if (!inode) { - printk("%s: failed to find inode: id: %llu.\n", __func__, cmd->id); - return -ENOENT; - } - - set_bit(NETFS_INODE_NEED_FLUSH, &POHMELFS_I(inode)->state); - pohmelfs_put_inode(POHMELFS_I(inode)); - - return 0; -} - -/* - * Root capabilities response: export statistics - * like used and available size, number of files and dirs, - * permissions. - */ -static int pohmelfs_root_cap_response(struct netfs_state *st) -{ - struct netfs_cmd *cmd = &st->cmd; - struct netfs_root_capabilities *cap; - struct pohmelfs_sb *psb = st->psb; - - if (cmd->size != sizeof(struct netfs_root_capabilities)) { - psb->flags = EPROTO; - wake_up(&psb->wait); - return -EPROTO; - } - - cap = st->data; - - netfs_convert_root_capabilities(cap); - - if (psb->total_size < cap->used + cap->avail) - psb->total_size = cap->used + cap->avail; - if (cap->avail) - psb->avail_size = cap->avail; - psb->state_flags = cap->flags; - - if (psb->state_flags & POHMELFS_FLAGS_RO) { - psb->sb->s_flags |= MS_RDONLY; - printk(KERN_INFO "Mounting POHMELFS (%d) read-only.\n", psb->idx); - } - - if (psb->state_flags & POHMELFS_FLAGS_XATTR) - printk(KERN_INFO "Mounting POHMELFS (%d) " - "with extended attributes support.\n", psb->idx); - - if (atomic_long_read(&psb->total_inodes) <= 1) - atomic_long_set(&psb->total_inodes, cap->nr_files); - - dprintk("%s: total: %llu, avail: %llu, flags: %llx, inodes: %llu.\n", - __func__, psb->total_size, psb->avail_size, psb->state_flags, cap->nr_files); - - psb->flags = 0; - wake_up(&psb->wait); - return 0; -} - -/* - * Crypto capabilities of the server, where it says that - * it supports or does not requested hash/cipher algorithms. - */ -static int pohmelfs_crypto_cap_response(struct netfs_state *st) -{ - struct netfs_cmd *cmd = &st->cmd; - struct netfs_crypto_capabilities *cap; - struct pohmelfs_sb *psb = st->psb; - int err = 0; - - if (cmd->size != sizeof(struct netfs_crypto_capabilities)) { - psb->flags = EPROTO; - wake_up(&psb->wait); - return -EPROTO; - } - - cap = st->data; - - dprintk("%s: cipher '%s': %s, hash: '%s': %s.\n", - __func__, - psb->cipher_string, (cap->cipher_strlen) ? "SUPPORTED" : "NOT SUPPORTED", - psb->hash_string, (cap->hash_strlen) ? "SUPPORTED" : "NOT SUPPORTED"); - - if (!cap->hash_strlen) { - if (psb->hash_strlen && psb->crypto_fail_unsupported) - err = -ENOTSUPP; - psb->hash_strlen = 0; - kfree(psb->hash_string); - psb->hash_string = NULL; - } - - if (!cap->cipher_strlen) { - if (psb->cipher_strlen && psb->crypto_fail_unsupported) - err = -ENOTSUPP; - psb->cipher_strlen = 0; - kfree(psb->cipher_string); - psb->cipher_string = NULL; - } - - return err; -} - -/* - * Capabilities handshake response. - */ -static int pohmelfs_capabilities_response(struct netfs_state *st) -{ - struct netfs_cmd *cmd = &st->cmd; - int err = 0; - - err = pohmelfs_data_recv(st, st->data, cmd->size); - if (err) - return err; - - switch (cmd->id) { - case POHMELFS_CRYPTO_CAPABILITIES: - return pohmelfs_crypto_cap_response(st); - case POHMELFS_ROOT_CAPABILITIES: - return pohmelfs_root_cap_response(st); - default: - break; - } - return -EINVAL; -} - -/* - * Receiving extended attribute. - * Does not work properly if received size is more than requested one, - * it should not happen with current request/reply model though. - */ -static int pohmelfs_getxattr_response(struct netfs_state *st) -{ - struct pohmelfs_sb *psb = st->psb; - struct netfs_cmd *cmd = &st->cmd; - struct pohmelfs_mcache *m; - short error = (signed short)cmd->ext, err; - unsigned int sz, total_size; - - m = pohmelfs_mcache_search(psb, cmd->id); - - dprintk("%s: id: %llu, gen: %llu, err: %d.\n", - __func__, cmd->id, (m) ? m->gen : 0, error); - - if (!m) { - printk("%s: failed to find getxattr cache entry: id: %llu.\n", __func__, cmd->id); - return -ENOENT; - } - - if (cmd->size) { - sz = min_t(unsigned int, cmd->size, m->size); - err = pohmelfs_data_recv_and_check(st, m->data, sz); - if (err) { - error = err; - goto out; - } - - m->size = sz; - total_size = cmd->size - sz; - - while (total_size) { - sz = min(total_size, st->size); - - err = pohmelfs_data_recv_and_check(st, st->data, sz); - if (err) { - error = err; - break; - } - - total_size -= sz; - } - } - -out: - m->err = error; - complete(&m->complete); - pohmelfs_mcache_put(psb, m); - - return error; -} - -int pohmelfs_data_lock_response(struct netfs_state *st) -{ - struct pohmelfs_sb *psb = st->psb; - struct netfs_cmd *cmd = &st->cmd; - struct pohmelfs_mcache *m; - short err = (signed short)cmd->ext; - u64 id = cmd->id; - - m = pohmelfs_mcache_search(psb, id); - - dprintk("%s: id: %llu, gen: %llu, err: %d.\n", - __func__, cmd->id, (m) ? m->gen : 0, err); - - if (!m) { - pohmelfs_data_recv(st, st->data, cmd->size); - printk("%s: failed to find data lock response: id: %llu.\n", __func__, cmd->id); - return -ENOENT; - } - - if (cmd->size) - err = pohmelfs_data_recv_and_check(st, &m->info, cmd->size); - - m->err = err; - complete(&m->complete); - pohmelfs_mcache_put(psb, m); - - return err; -} - -static void __inline__ netfs_state_reset(struct netfs_state *st) -{ - netfs_state_lock_send(st); - netfs_state_exit(st); - netfs_state_init(st); - netfs_state_unlock_send(st); -} - -/* - * Main receiving function, called from dedicated kernel thread. - */ -static int pohmelfs_recv(void *data) -{ - int err = -EINTR; - struct netfs_state *st = data; - struct netfs_cmd *cmd = &st->cmd; - - while (!kthread_should_stop()) { - /* - * If socket will be reset after this statement, then - * pohmelfs_data_recv() will just fail and loop will - * start again, so it can be done without any locks. - * - * st->read_socket is needed to prevents state machine - * breaking between this data reading and subsequent one - * in protocol specific functions during connection reset. - * In case of reset we have to read next command and do - * not expect data for old command to magically appear in - * new connection. - */ - st->read_socket = st->socket; - err = pohmelfs_data_recv(st, cmd, sizeof(struct netfs_cmd)); - if (err) { - msleep(1000); - continue; - } - - netfs_convert_cmd(cmd); - - dprintk("%s: cmd: %u, id: %llu, start: %llu, size: %u, " - "ext: %u, csize: %u, cpad: %u.\n", - __func__, cmd->cmd, cmd->id, cmd->start, - cmd->size, cmd->ext, cmd->csize, cmd->cpad); - - if (cmd->csize) { - struct pohmelfs_crypto_engine *e = &st->eng; - - if (unlikely(cmd->csize > e->size/2)) { - netfs_state_reset(st); - continue; - } - - if (e->hash && unlikely(cmd->csize != st->psb->crypto_attached_size)) { - dprintk("%s: cmd: cmd: %u, id: %llu, start: %llu, size: %u, " - "csize: %u != digest size %u.\n", - __func__, cmd->cmd, cmd->id, cmd->start, cmd->size, - cmd->csize, st->psb->crypto_attached_size); - netfs_state_reset(st); - continue; - } - - err = pohmelfs_data_recv(st, e->data, cmd->csize); - if (err) { - netfs_state_reset(st); - continue; - } - -#ifdef CONFIG_POHMELFS_DEBUG - { - unsigned int i; - unsigned char *hash = e->data; - - dprintk("%s: received hash: ", __func__); - for (i = 0; i < cmd->csize; ++i) - printk("%02x ", hash[i]); - - printk("\n"); - } -#endif - cmd->size -= cmd->csize; - } - - /* - * This should catch protocol breakage and random garbage instead of commands. - */ - if (unlikely((cmd->size > st->size) && (cmd->cmd != NETFS_XATTR_GET))) { - netfs_state_reset(st); - continue; - } - - switch (cmd->cmd) { - case NETFS_READ_PAGE: - err = pohmelfs_read_page_response(st); - break; - case NETFS_READDIR: - err = pohmelfs_readdir_response(st); - break; - case NETFS_LOOKUP: - err = pohmelfs_lookup_response(st); - break; - case NETFS_CREATE: - err = pohmelfs_create_response(st); - break; - case NETFS_REMOVE: - err = pohmelfs_remove_response(st); - break; - case NETFS_TRANS: - err = pohmelfs_transaction_response(st); - break; - case NETFS_PAGE_CACHE: - err = pohmelfs_page_cache_response(st); - break; - case NETFS_CAPABILITIES: - err = pohmelfs_capabilities_response(st); - break; - case NETFS_LOCK: - err = pohmelfs_data_lock_response(st); - break; - case NETFS_XATTR_GET: - err = pohmelfs_getxattr_response(st); - break; - default: - printk("%s: wrong cmd: %u, id: %llu, start: %llu, size: %u, ext: %u.\n", - __func__, cmd->cmd, cmd->id, cmd->start, cmd->size, cmd->ext); - netfs_state_reset(st); - break; - } - } - - while (!kthread_should_stop()) - schedule_timeout_uninterruptible(msecs_to_jiffies(10)); - - return err; -} - -int netfs_state_init(struct netfs_state *st) -{ - int err; - struct pohmelfs_ctl *ctl = &st->ctl; - - err = sock_create(ctl->addr.sa_family, ctl->type, ctl->proto, &st->socket); - if (err) { - printk("%s: failed to create a socket: family: %d, type: %d, proto: %d, err: %d.\n", - __func__, ctl->addr.sa_family, ctl->type, ctl->proto, err); - goto err_out_exit; - } - - st->socket->sk->sk_allocation = GFP_NOIO; - st->socket->sk->sk_sndtimeo = st->socket->sk->sk_rcvtimeo = msecs_to_jiffies(60000); - - err = kernel_connect(st->socket, (struct sockaddr *)&ctl->addr, ctl->addrlen, 0); - if (err) { - printk("%s: failed to connect to server: idx: %u, err: %d.\n", - __func__, st->psb->idx, err); - goto err_out_release; - } - st->socket->sk->sk_sndtimeo = st->socket->sk->sk_rcvtimeo = msecs_to_jiffies(60000); - - err = netfs_poll_init(st); - if (err) - goto err_out_release; - - if (st->socket->ops->family == AF_INET) { - struct sockaddr_in *sin = (struct sockaddr_in *)&ctl->addr; - printk(KERN_INFO "%s: (re)connected to peer %pi4:%d.\n", __func__, - &sin->sin_addr.s_addr, ntohs(sin->sin_port)); - } else if (st->socket->ops->family == AF_INET6) { - struct sockaddr_in6 *sin = (struct sockaddr_in6 *)&ctl->addr; - printk(KERN_INFO "%s: (re)connected to peer %pi6:%d", __func__, - &sin->sin6_addr, ntohs(sin->sin6_port)); - } - - return 0; - -err_out_release: - sock_release(st->socket); -err_out_exit: - st->socket = NULL; - return err; -} - -void netfs_state_exit(struct netfs_state *st) -{ - if (st->socket) { - netfs_poll_exit(st); - st->socket->ops->shutdown(st->socket, 2); - - if (st->socket->ops->family == AF_INET) { - struct sockaddr_in *sin = (struct sockaddr_in *)&st->ctl.addr; - printk(KERN_INFO "%s: disconnected from peer %pi4:%d.\n", __func__, - &sin->sin_addr.s_addr, ntohs(sin->sin_port)); - } else if (st->socket->ops->family == AF_INET6) { - struct sockaddr_in6 *sin = (struct sockaddr_in6 *)&st->ctl.addr; - printk(KERN_INFO "%s: disconnected from peer %pi6:%d", __func__, - &sin->sin6_addr, ntohs(sin->sin6_port)); - } - - sock_release(st->socket); - st->socket = NULL; - st->read_socket = NULL; - st->need_reset = 0; - } -} - -int pohmelfs_state_init_one(struct pohmelfs_sb *psb, struct pohmelfs_config *conf) -{ - struct netfs_state *st = &conf->state; - int err = -ENOMEM; - - mutex_init(&st->__state_lock); - mutex_init(&st->__state_send_lock); - init_waitqueue_head(&st->thread_wait); - - st->psb = psb; - st->trans_root = RB_ROOT; - mutex_init(&st->trans_lock); - - st->size = psb->trans_data_size; - st->data = kmalloc(st->size, GFP_KERNEL); - if (!st->data) - goto err_out_exit; - - if (psb->perform_crypto) { - err = pohmelfs_crypto_engine_init(&st->eng, psb); - if (err) - goto err_out_free_data; - } - - err = netfs_state_init(st); - if (err) - goto err_out_free_engine; - - st->thread = kthread_run(pohmelfs_recv, st, "pohmelfs/%u", psb->idx); - if (IS_ERR(st->thread)) { - err = PTR_ERR(st->thread); - goto err_out_netfs_exit; - } - - if (!psb->active_state) - psb->active_state = conf; - - dprintk("%s: conf: %p, st: %p, socket: %p.\n", - __func__, conf, st, st->socket); - return 0; - -err_out_netfs_exit: - netfs_state_exit(st); -err_out_free_engine: - pohmelfs_crypto_engine_exit(&st->eng); -err_out_free_data: - kfree(st->data); -err_out_exit: - return err; - -} - -void pohmelfs_state_flush_transactions(struct netfs_state *st) -{ - struct rb_node *rb_node; - struct netfs_trans_dst *dst; - - mutex_lock(&st->trans_lock); - for (rb_node = rb_first(&st->trans_root); rb_node; ) { - dst = rb_entry(rb_node, struct netfs_trans_dst, state_entry); - rb_node = rb_next(rb_node); - - dst->trans->result = -EINVAL; - netfs_trans_remove_nolock(dst, st); - netfs_trans_drop_dst_nostate(dst); - } - mutex_unlock(&st->trans_lock); -} - -static void pohmelfs_state_exit_one(struct pohmelfs_config *c) -{ - struct netfs_state *st = &c->state; - - dprintk("%s: exiting, st: %p.\n", __func__, st); - if (st->thread) { - kthread_stop(st->thread); - st->thread = NULL; - } - - netfs_state_lock_send(st); - netfs_state_exit(st); - netfs_state_unlock_send(st); - - pohmelfs_state_flush_transactions(st); - - pohmelfs_crypto_engine_exit(&st->eng); - kfree(st->data); - - kfree(c); -} - -/* - * Initialize network stack. It searches for given ID in global - * configuration table, this contains information of the remote server - * (address (any supported by socket interface) and port, protocol and so on). - */ -int pohmelfs_state_init(struct pohmelfs_sb *psb) -{ - int err = -ENOMEM; - - err = pohmelfs_copy_config(psb); - if (err) { - pohmelfs_state_exit(psb); - return err; - } - - return 0; -} - -void pohmelfs_state_exit(struct pohmelfs_sb *psb) -{ - struct pohmelfs_config *c, *tmp; - - list_for_each_entry_safe(c, tmp, &psb->state_list, config_entry) { - list_del(&c->config_entry); - pohmelfs_state_exit_one(c); - } -} - -void pohmelfs_switch_active(struct pohmelfs_sb *psb) -{ - struct pohmelfs_config *c = psb->active_state; - - if (!list_empty(&psb->state_list)) { - if (c->config_entry.next != &psb->state_list) { - psb->active_state = list_entry(c->config_entry.next, - struct pohmelfs_config, config_entry); - } else { - psb->active_state = list_entry(psb->state_list.next, - struct pohmelfs_config, config_entry); - } - - dprintk("%s: empty: %d, active %p -> %p.\n", - __func__, list_empty(&psb->state_list), c, - psb->active_state); - } else - psb->active_state = NULL; -} - -void pohmelfs_check_states(struct pohmelfs_sb *psb) -{ - struct pohmelfs_config *c, *tmp; - LIST_HEAD(delete_list); - - mutex_lock(&psb->state_lock); - list_for_each_entry_safe(c, tmp, &psb->state_list, config_entry) { - if (pohmelfs_config_check(c, psb->idx)) { - - if (psb->active_state == c) - pohmelfs_switch_active(psb); - list_move(&c->config_entry, &delete_list); - } - } - pohmelfs_copy_config(psb); - mutex_unlock(&psb->state_lock); - - list_for_each_entry_safe(c, tmp, &delete_list, config_entry) { - list_del(&c->config_entry); - pohmelfs_state_exit_one(c); - } -} diff --git a/drivers/staging/pohmelfs/netfs.h b/drivers/staging/pohmelfs/netfs.h deleted file mode 100644 index f26894f2a57f23..00000000000000 --- a/drivers/staging/pohmelfs/netfs.h +++ /dev/null @@ -1,919 +0,0 @@ -/* - * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net> - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef __NETFS_H -#define __NETFS_H - -#include <linux/types.h> -#include <linux/connector.h> -#include <linux/backing-dev.h> - -#define POHMELFS_CN_IDX 5 -#define POHMELFS_CN_VAL 0 - -#define POHMELFS_CTLINFO_ACK 1 -#define POHMELFS_NOINFO_ACK 2 - -#define POHMELFS_NULL_IDX 65535 - -/* - * Network command structure. - * Will be extended. - */ -struct netfs_cmd { - __u16 cmd; /* Command number */ - __u16 csize; /* Attached crypto information size */ - __u16 cpad; /* Attached padding size */ - __u16 ext; /* External flags */ - __u32 size; /* Size of the attached data */ - __u32 trans; /* Transaction id */ - __u64 id; /* Object ID to operate on. Used for feedback.*/ - __u64 start; /* Start of the object. */ - __u64 iv; /* IV sequence */ - __u8 data[0]; -}; - -static inline void netfs_convert_cmd(struct netfs_cmd *cmd) -{ - cmd->id = __be64_to_cpu(cmd->id); - cmd->start = __be64_to_cpu(cmd->start); - cmd->iv = __be64_to_cpu(cmd->iv); - cmd->cmd = __be16_to_cpu(cmd->cmd); - cmd->ext = __be16_to_cpu(cmd->ext); - cmd->csize = __be16_to_cpu(cmd->csize); - cmd->cpad = __be16_to_cpu(cmd->cpad); - cmd->size = __be32_to_cpu(cmd->size); -} - -#define NETFS_TRANS_SINGLE_DST (1<<0) - -enum { - NETFS_READDIR = 1, /* Read directory for given inode number */ - NETFS_READ_PAGE, /* Read data page from the server */ - NETFS_WRITE_PAGE, /* Write data page to the server */ - NETFS_CREATE, /* Create directory entry */ - NETFS_REMOVE, /* Remove directory entry */ - - NETFS_LOOKUP, /* Lookup single object */ - NETFS_LINK, /* Create a link */ - NETFS_TRANS, /* Transaction */ - NETFS_OPEN, /* Open intent */ - NETFS_INODE_INFO, /* Metadata cache coherency synchronization message */ - - NETFS_PAGE_CACHE, /* Page cache invalidation message */ - NETFS_READ_PAGES, /* Read multiple contiguous pages in one go */ - NETFS_RENAME, /* Rename object */ - NETFS_CAPABILITIES, /* Capabilities of the client, for example supported crypto */ - NETFS_LOCK, /* Distributed lock message */ - - NETFS_XATTR_SET, /* Set extended attribute */ - NETFS_XATTR_GET, /* Get extended attribute */ - NETFS_CMD_MAX -}; - -enum { - POHMELFS_FLAGS_ADD = 0, /* Network state control message for ADD */ - POHMELFS_FLAGS_DEL, /* Network state control message for DEL */ - POHMELFS_FLAGS_SHOW, /* Network state control message for SHOW */ - POHMELFS_FLAGS_CRYPTO, /* Crypto data control message */ - POHMELFS_FLAGS_MODIFY, /* Network state modification message */ - POHMELFS_FLAGS_DUMP, /* Network state control message for SHOW ALL */ - POHMELFS_FLAGS_FLUSH, /* Network state control message for FLUSH */ -}; - -/* - * Always wanted to copy it from socket headers into public one, - * since they are __KERNEL__ protected there. - */ -#define _K_SS_MAXSIZE 128 - -struct saddr { - unsigned short sa_family; - char addr[_K_SS_MAXSIZE]; -}; - -enum { - POHMELFS_CRYPTO_HASH = 0, - POHMELFS_CRYPTO_CIPHER, -}; - -struct pohmelfs_crypto { - unsigned int idx; /* Config index */ - unsigned short strlen; /* Size of the attached crypto string including 0-byte - * "cbc(aes)" for example */ - unsigned short type; /* HMAC, cipher, both */ - unsigned int keysize; /* Key size */ - unsigned char data[0]; /* Algorithm string, key and IV */ -}; - -#define POHMELFS_IO_PERM_READ (1<<0) -#define POHMELFS_IO_PERM_WRITE (1<<1) - -/* - * Configuration command used to create table of different remote servers. - */ -struct pohmelfs_ctl { - __u32 idx; /* Config index */ - __u32 type; /* Socket type */ - __u32 proto; /* Socket protocol */ - __u16 addrlen; /* Size of the address */ - __u16 perm; /* IO permission */ - __u16 prio; /* IO priority */ - struct saddr addr; /* Remote server address */ -}; - -/* - * Ack for userspace about requested command. - */ -struct pohmelfs_cn_ack { - struct cn_msg msg; - int error; - int msg_num; - int unused[3]; - struct pohmelfs_ctl ctl; -}; - -/* - * Inode info structure used to sync with server. - * Check what stat() returns. - */ -struct netfs_inode_info { - unsigned int mode; - unsigned int nlink; - unsigned int uid; - unsigned int gid; - unsigned int blocksize; - unsigned int padding; - __u64 ino; - __u64 blocks; - __u64 rdev; - __u64 size; - __u64 version; -}; - -static inline void netfs_convert_inode_info(struct netfs_inode_info *info) -{ - info->mode = __cpu_to_be32(info->mode); - info->nlink = __cpu_to_be32(info->nlink); - info->uid = __cpu_to_be32(info->uid); - info->gid = __cpu_to_be32(info->gid); - info->blocksize = __cpu_to_be32(info->blocksize); - info->blocks = __cpu_to_be64(info->blocks); - info->rdev = __cpu_to_be64(info->rdev); - info->size = __cpu_to_be64(info->size); - info->version = __cpu_to_be64(info->version); - info->ino = __cpu_to_be64(info->ino); -} - -/* - * Cache state machine. - */ -enum { - NETFS_COMMAND_PENDING = 0, /* Command is being executed */ - NETFS_INODE_REMOTE_SYNCED, /* Inode was synced to server */ - NETFS_INODE_REMOTE_DIR_SYNCED, /* Inode (directory) was synced from the server */ - NETFS_INODE_OWNED, /* Inode is owned by given host */ - NETFS_INODE_NEED_FLUSH, /* Inode has to be flushed to the server */ -}; - -/* - * POHMELFS capabilities: information about supported - * crypto operations (hash/cipher, modes, key sizes and so on), - * root information (used/available size, number of objects, permissions) - */ -enum pohmelfs_capabilities { - POHMELFS_CRYPTO_CAPABILITIES = 0, - POHMELFS_ROOT_CAPABILITIES, -}; - -/* Read-only mount */ -#define POHMELFS_FLAGS_RO (1<<0) -/* Extended attributes support on/off */ -#define POHMELFS_FLAGS_XATTR (1<<1) - -struct netfs_root_capabilities { - __u64 nr_files; - __u64 used, avail; - __u64 flags; -}; - -static inline void netfs_convert_root_capabilities(struct netfs_root_capabilities *cap) -{ - cap->nr_files = __cpu_to_be64(cap->nr_files); - cap->used = __cpu_to_be64(cap->used); - cap->avail = __cpu_to_be64(cap->avail); - cap->flags = __cpu_to_be64(cap->flags); -} - -struct netfs_crypto_capabilities { - unsigned short hash_strlen; /* Hash string length, like "hmac(sha1) including 0 byte "*/ - unsigned short cipher_strlen; /* Cipher string length with the same format */ - unsigned int cipher_keysize; /* Cipher key size */ -}; - -static inline void netfs_convert_crypto_capabilities(struct netfs_crypto_capabilities *cap) -{ - cap->hash_strlen = __cpu_to_be16(cap->hash_strlen); - cap->cipher_strlen = __cpu_to_be16(cap->cipher_strlen); - cap->cipher_keysize = __cpu_to_be32(cap->cipher_keysize); -} - -enum pohmelfs_lock_type { - POHMELFS_LOCK_GRAB = (1<<15), - - POHMELFS_READ_LOCK = 0, - POHMELFS_WRITE_LOCK, -}; - -struct netfs_lock { - __u64 start; - __u64 ino; - __u32 size; - __u32 type; -}; - -static inline void netfs_convert_lock(struct netfs_lock *lock) -{ - lock->start = __cpu_to_be64(lock->start); - lock->ino = __cpu_to_be64(lock->ino); - lock->size = __cpu_to_be32(lock->size); - lock->type = __cpu_to_be32(lock->type); -} - -#ifdef __KERNEL__ - -#include <linux/kernel.h> -#include <linux/completion.h> -#include <linux/rbtree.h> -#include <linux/net.h> -#include <linux/poll.h> - -/* - * Private POHMELFS cache of objects in directory. - */ -struct pohmelfs_name { - struct rb_node hash_node; - - struct list_head sync_create_entry; - - u64 ino; - - u32 hash; - u32 mode; - u32 len; - - char *data; -}; - -/* - * POHMELFS inode. Main object. - */ -struct pohmelfs_inode { - struct list_head inode_entry; /* Entry in superblock list. - * Objects which are not bound to dentry require to be dropped - * in ->put_super() - */ - struct rb_root hash_root; /* The same, but indexed by name hash and len */ - struct mutex offset_lock; /* Protect both above trees */ - - struct list_head sync_create_list; /* List of created but not yet synced to the server children */ - - unsigned int drop_count; - - int lock_type; /* How this inode is locked: read or write */ - - int error; /* Transaction error for given inode */ - - long state; /* State machine above */ - - u64 ino; /* Inode number */ - u64 total_len; /* Total length of all children names, used to create offsets */ - - struct inode vfs_inode; -}; - -struct netfs_trans; -typedef int (*netfs_trans_complete_t)(struct page **pages, unsigned int page_num, - void *private, int err); - -struct netfs_state; -struct pohmelfs_sb; - -struct netfs_trans { - /* - * Transaction header and attached contiguous data live here. - */ - struct iovec iovec; - - /* - * Pages attached to transaction. - */ - struct page **pages; - - /* - * List and protecting lock for transaction destination - * network states. - */ - spinlock_t dst_lock; - struct list_head dst_list; - - /* - * Number of users for given transaction. - * For example each network state attached to transaction - * via dst_list increases it. - */ - atomic_t refcnt; - - /* - * Number of pages attached to given transaction. - * Some slots in above page array can be NULL, since - * for example page can be under writeback already, - * so we skip it in this transaction. - */ - unsigned int page_num; - - /* - * Transaction flags: single dst or broadcast and so on. - */ - unsigned int flags; - - /* - * Size of the data, which can be placed into - * iovec.iov_base area. - */ - unsigned int total_size; - - /* - * Number of pages to be sent to remote server. - * Usually equal to above page_num, but in case of partial - * writeback it can accumulate only pages already completed - * previous writeback. - */ - unsigned int attached_pages; - - /* - * Attached number of bytes in all above pages. - */ - unsigned int attached_size; - - /* - * Unique transacton generation number. - * Used as identity in the network state tree of transactions. - */ - unsigned int gen; - - /* - * Transaction completion status. - */ - int result; - - /* - * Superblock this transaction belongs to - */ - struct pohmelfs_sb *psb; - - /* - * Crypto engine, which processed this transaction. - * Can be not NULL only if crypto engine holds encrypted pages. - */ - struct pohmelfs_crypto_engine *eng; - - /* Private data */ - void *private; - - /* Completion callback, invoked just before transaction is destroyed */ - netfs_trans_complete_t complete; -}; - -static inline int netfs_trans_cur_len(struct netfs_trans *t) -{ - return (signed)(t->total_size - t->iovec.iov_len); -} - -static inline void *netfs_trans_current(struct netfs_trans *t) -{ - return t->iovec.iov_base + t->iovec.iov_len; -} - -struct netfs_trans *netfs_trans_alloc(struct pohmelfs_sb *psb, unsigned int size, - unsigned int flags, unsigned int nr); -void netfs_trans_free(struct netfs_trans *t); -int netfs_trans_finish(struct netfs_trans *t, struct pohmelfs_sb *psb); -int netfs_trans_finish_send(struct netfs_trans *t, struct pohmelfs_sb *psb); - -static inline void netfs_trans_reset(struct netfs_trans *t) -{ - t->complete = NULL; -} - -struct netfs_trans_dst { - struct list_head trans_entry; - struct rb_node state_entry; - - unsigned long send_time; - - /* - * Times this transaction was resent to its old or new, - * depending on flags, destinations. When it reaches maximum - * allowed number, specified in superblock->trans_retries, - * transaction will be freed with ETIMEDOUT error. - */ - unsigned int retries; - - struct netfs_trans *trans; - struct netfs_state *state; -}; - -struct netfs_trans_dst *netfs_trans_search(struct netfs_state *st, unsigned int gen); -void netfs_trans_drop_dst(struct netfs_trans_dst *dst); -void netfs_trans_drop_dst_nostate(struct netfs_trans_dst *dst); -void netfs_trans_drop_trans(struct netfs_trans *t, struct netfs_state *st); -void netfs_trans_drop_last(struct netfs_trans *t, struct netfs_state *st); -int netfs_trans_resend(struct netfs_trans *t, struct pohmelfs_sb *psb); -int netfs_trans_remove_nolock(struct netfs_trans_dst *dst, struct netfs_state *st); - -int netfs_trans_init(void); -void netfs_trans_exit(void); - -struct pohmelfs_crypto_engine { - u64 iv; /* Crypto IV for current operation */ - unsigned long timeout; /* Crypto waiting timeout */ - unsigned int size; /* Size of crypto scratchpad */ - void *data; /* Temporal crypto scratchpad */ - /* - * Crypto operations performed on objects. - */ - struct crypto_hash *hash; - struct crypto_ablkcipher *cipher; - - struct pohmelfs_crypto_thread *thread; /* Crypto thread which hosts this engine */ - - struct page **pages; - unsigned int page_num; -}; - -struct pohmelfs_crypto_thread { - struct list_head thread_entry; - - struct task_struct *thread; - struct pohmelfs_sb *psb; - - struct pohmelfs_crypto_engine eng; - - struct netfs_trans *trans; - - wait_queue_head_t wait; - int error; - - unsigned int size; - struct page *page; -}; - -void pohmelfs_crypto_thread_make_ready(struct pohmelfs_crypto_thread *th); - -/* - * Network state, attached to one server. - */ -struct netfs_state { - struct mutex __state_lock; /* Can not allow to use the same socket simultaneously */ - struct mutex __state_send_lock; - struct netfs_cmd cmd; /* Cached command */ - struct netfs_inode_info info; /* Cached inode info */ - - void *data; /* Cached some data */ - unsigned int size; /* Size of that data */ - - struct pohmelfs_sb *psb; /* Superblock */ - - struct task_struct *thread; /* Async receiving thread */ - - /* Waiting/polling machinery */ - wait_queue_t wait; - wait_queue_head_t *whead; - wait_queue_head_t thread_wait; - - struct mutex trans_lock; - struct rb_root trans_root; - - struct pohmelfs_ctl ctl; /* Remote peer */ - - struct socket *socket; /* Socket object */ - struct socket *read_socket; /* Cached pointer to socket object. - * Used to determine if between lock drops socket was changed. - * Never used to read data or any kind of access. - */ - /* - * Crypto engines to process incoming data. - */ - struct pohmelfs_crypto_engine eng; - - int need_reset; -}; - -int netfs_state_init(struct netfs_state *st); -void netfs_state_exit(struct netfs_state *st); - -static inline void netfs_state_lock_send(struct netfs_state *st) -{ - mutex_lock(&st->__state_send_lock); -} - -static inline int netfs_state_trylock_send(struct netfs_state *st) -{ - return mutex_trylock(&st->__state_send_lock); -} - -static inline void netfs_state_unlock_send(struct netfs_state *st) -{ - BUG_ON(!mutex_is_locked(&st->__state_send_lock)); - - mutex_unlock(&st->__state_send_lock); -} - -static inline void netfs_state_lock(struct netfs_state *st) -{ - mutex_lock(&st->__state_lock); -} - -static inline void netfs_state_unlock(struct netfs_state *st) -{ - BUG_ON(!mutex_is_locked(&st->__state_lock)); - - mutex_unlock(&st->__state_lock); -} - -static inline unsigned int netfs_state_poll(struct netfs_state *st) -{ - unsigned int revents = POLLHUP | POLLERR; - - netfs_state_lock(st); - if (st->socket) - revents = st->socket->ops->poll(NULL, st->socket, NULL); - netfs_state_unlock(st); - - return revents; -} - -struct pohmelfs_config; - -struct pohmelfs_sb { - struct rb_root mcache_root; - struct mutex mcache_lock; - atomic_long_t mcache_gen; - unsigned long mcache_timeout; - - unsigned int idx; - - unsigned int trans_retries; - - atomic_t trans_gen; - - unsigned int crypto_attached_size; - unsigned int crypto_align_size; - - unsigned int crypto_fail_unsupported; - - unsigned int crypto_thread_num; - struct list_head crypto_active_list, crypto_ready_list; - struct mutex crypto_thread_lock; - - unsigned int trans_max_pages; - unsigned long trans_data_size; - unsigned long trans_timeout; - - unsigned long drop_scan_timeout; - unsigned long trans_scan_timeout; - - unsigned long wait_on_page_timeout; - - struct list_head flush_list; - struct list_head drop_list; - spinlock_t ino_lock; - u64 ino; - - /* - * Remote nodes POHMELFS connected to. - */ - struct list_head state_list; - struct mutex state_lock; - - /* - * Currently active state to request data from. - */ - struct pohmelfs_config *active_state; - - - wait_queue_head_t wait; - - /* - * Timed checks: stale transactions, inodes to be freed and so on. - */ - struct delayed_work dwork; - struct delayed_work drop_dwork; - - struct super_block *sb; - - struct backing_dev_info bdi; - - /* - * Algorithm strings. - */ - char *hash_string; - char *cipher_string; - - u8 *hash_key; - u8 *cipher_key; - - /* - * Algorithm string lengths. - */ - unsigned int hash_strlen; - unsigned int cipher_strlen; - unsigned int hash_keysize; - unsigned int cipher_keysize; - - /* - * Controls whether to perfrom crypto processing or not. - */ - int perform_crypto; - - /* - * POHMELFS statistics. - */ - u64 total_size; - u64 avail_size; - atomic_long_t total_inodes; - - /* - * Xattr support, read-only and so on. - */ - u64 state_flags; - - /* - * Temporary storage to detect changes in the wait queue. - */ - long flags; -}; - -static inline void netfs_trans_update(struct netfs_cmd *cmd, - struct netfs_trans *t, unsigned int size) -{ - unsigned int sz = ALIGN(size, t->psb->crypto_align_size); - - t->iovec.iov_len += sizeof(struct netfs_cmd) + sz; - cmd->cpad = __cpu_to_be16(sz - size); -} - -static inline struct pohmelfs_sb *POHMELFS_SB(struct super_block *sb) -{ - return sb->s_fs_info; -} - -static inline struct pohmelfs_inode *POHMELFS_I(struct inode *inode) -{ - return container_of(inode, struct pohmelfs_inode, vfs_inode); -} - -static inline u64 pohmelfs_new_ino(struct pohmelfs_sb *psb) -{ - u64 ino; - - spin_lock(&psb->ino_lock); - ino = psb->ino++; - spin_unlock(&psb->ino_lock); - - return ino; -} - -static inline void pohmelfs_put_inode(struct pohmelfs_inode *pi) -{ - struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb); - - spin_lock(&psb->ino_lock); - list_move_tail(&pi->inode_entry, &psb->drop_list); - pi->drop_count++; - spin_unlock(&psb->ino_lock); -} - -struct pohmelfs_config { - struct list_head config_entry; - - struct netfs_state state; -}; - -struct pohmelfs_config_group { - /* - * Entry in the global config group list. - */ - struct list_head group_entry; - - /* - * Index of the current group. - */ - unsigned int idx; - /* - * Number of config_list entries in this group entry. - */ - unsigned int num_entry; - /* - * Algorithm strings. - */ - char *hash_string; - char *cipher_string; - - /* - * Algorithm string lengths. - */ - unsigned int hash_strlen; - unsigned int cipher_strlen; - - /* - * Key and its size. - */ - unsigned int hash_keysize; - unsigned int cipher_keysize; - u8 *hash_key; - u8 *cipher_key; - - /* - * List of config entries (network state info) for given idx. - */ - struct list_head config_list; -}; - -int __init pohmelfs_config_init(void); -void pohmelfs_config_exit(void); -int pohmelfs_copy_config(struct pohmelfs_sb *psb); -int pohmelfs_copy_crypto(struct pohmelfs_sb *psb); -int pohmelfs_config_check(struct pohmelfs_config *config, int idx); -int pohmelfs_state_init_one(struct pohmelfs_sb *psb, struct pohmelfs_config *conf); - -extern const struct file_operations pohmelfs_dir_fops; -extern const struct inode_operations pohmelfs_dir_inode_ops; - -int pohmelfs_state_init(struct pohmelfs_sb *psb); -void pohmelfs_state_exit(struct pohmelfs_sb *psb); -void pohmelfs_state_flush_transactions(struct netfs_state *st); - -void pohmelfs_fill_inode(struct inode *inode, struct netfs_inode_info *info); - -void pohmelfs_name_del(struct pohmelfs_inode *parent, struct pohmelfs_name *n); -void pohmelfs_free_names(struct pohmelfs_inode *parent); -struct pohmelfs_name *pohmelfs_search_hash(struct pohmelfs_inode *pi, u32 hash); - -void pohmelfs_inode_del_inode(struct pohmelfs_sb *psb, struct pohmelfs_inode *pi); - -struct pohmelfs_inode *pohmelfs_create_entry_local(struct pohmelfs_sb *psb, - struct pohmelfs_inode *parent, struct qstr *str, u64 start, umode_t mode); - -int pohmelfs_write_create_inode(struct pohmelfs_inode *pi); - -int pohmelfs_write_inode_create(struct inode *inode, struct netfs_trans *trans); -int pohmelfs_remove_child(struct pohmelfs_inode *parent, struct pohmelfs_name *n); - -struct pohmelfs_inode *pohmelfs_new_inode(struct pohmelfs_sb *psb, - struct pohmelfs_inode *parent, struct qstr *str, - struct netfs_inode_info *info, int link); - -int pohmelfs_setattr(struct dentry *dentry, struct iattr *attr); -int pohmelfs_setattr_raw(struct inode *inode, struct iattr *attr); - -int pohmelfs_meta_command(struct pohmelfs_inode *pi, unsigned int cmd_op, unsigned int flags, - netfs_trans_complete_t complete, void *priv, u64 start); -int pohmelfs_meta_command_data(struct pohmelfs_inode *pi, u64 id, unsigned int cmd_op, char *addon, - unsigned int flags, netfs_trans_complete_t complete, void *priv, u64 start); - -void pohmelfs_check_states(struct pohmelfs_sb *psb); -void pohmelfs_switch_active(struct pohmelfs_sb *psb); - -int pohmelfs_construct_path_string(struct pohmelfs_inode *pi, void *data, int len); -int pohmelfs_path_length(struct pohmelfs_inode *pi); - -struct pohmelfs_crypto_completion { - struct completion complete; - int error; -}; - -int pohmelfs_trans_crypt(struct netfs_trans *t, struct pohmelfs_sb *psb); -void pohmelfs_crypto_exit(struct pohmelfs_sb *psb); -int pohmelfs_crypto_init(struct pohmelfs_sb *psb); - -int pohmelfs_crypto_engine_init(struct pohmelfs_crypto_engine *e, struct pohmelfs_sb *psb); -void pohmelfs_crypto_engine_exit(struct pohmelfs_crypto_engine *e); - -int pohmelfs_crypto_process_input_data(struct pohmelfs_crypto_engine *e, u64 iv, - void *data, struct page *page, unsigned int size); -int pohmelfs_crypto_process_input_page(struct pohmelfs_crypto_engine *e, - struct page *page, unsigned int size, u64 iv); - -static inline u64 pohmelfs_gen_iv(struct netfs_trans *t) -{ - u64 iv = t->gen; - - iv <<= 32; - iv |= ((unsigned long)t) & 0xffffffff; - - return iv; -} - -int pohmelfs_data_lock(struct pohmelfs_inode *pi, u64 start, u32 size, int type); -int pohmelfs_data_unlock(struct pohmelfs_inode *pi, u64 start, u32 size, int type); -int pohmelfs_data_lock_response(struct netfs_state *st); - -static inline int pohmelfs_need_lock(struct pohmelfs_inode *pi, int type) -{ - if (test_bit(NETFS_INODE_OWNED, &pi->state)) { - if (type == pi->lock_type) - return 0; - if ((type == POHMELFS_READ_LOCK) && (pi->lock_type == POHMELFS_WRITE_LOCK)) - return 0; - } - - if (!test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state)) - return 0; - - return 1; -} - -int __init pohmelfs_mcache_init(void); -void pohmelfs_mcache_exit(void); - -/* #define CONFIG_POHMELFS_DEBUG */ - -#ifdef CONFIG_POHMELFS_DEBUG -#define dprintka(f, a...) printk(f, ##a) -#define dprintk(f, a...) printk("%d: " f, task_pid_vnr(current), ##a) -#else -#define dprintka(f, a...) do {} while (0) -#define dprintk(f, a...) do {} while (0) -#endif - -static inline void netfs_trans_get(struct netfs_trans *t) -{ - atomic_inc(&t->refcnt); -} - -static inline void netfs_trans_put(struct netfs_trans *t) -{ - if (atomic_dec_and_test(&t->refcnt)) { - dprintk("%s: t: %p, gen: %u, err: %d.\n", - __func__, t, t->gen, t->result); - if (t->complete) - t->complete(t->pages, t->page_num, - t->private, t->result); - netfs_trans_free(t); - } -} - -struct pohmelfs_mcache { - struct rb_node mcache_entry; - struct completion complete; - - atomic_t refcnt; - - u64 gen; - - void *data; - u64 start; - u32 size; - int err; - - struct netfs_inode_info info; -}; - -struct pohmelfs_mcache *pohmelfs_mcache_alloc(struct pohmelfs_sb *psb, u64 start, - unsigned int size, void *data); -void pohmelfs_mcache_free(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m); -struct pohmelfs_mcache *pohmelfs_mcache_search(struct pohmelfs_sb *psb, u64 gen); -void pohmelfs_mcache_remove_locked(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m); - -static inline void pohmelfs_mcache_get(struct pohmelfs_mcache *m) -{ - atomic_inc(&m->refcnt); -} - -static inline void pohmelfs_mcache_put(struct pohmelfs_sb *psb, - struct pohmelfs_mcache *m) -{ - if (atomic_dec_and_test(&m->refcnt)) - pohmelfs_mcache_free(psb, m); -} - -/*#define POHMELFS_TRUNCATE_ON_INODE_FLUSH - */ - -#endif /* __KERNEL__*/ - -#endif /* __NETFS_H */ diff --git a/drivers/staging/pohmelfs/path_entry.c b/drivers/staging/pohmelfs/path_entry.c deleted file mode 100644 index 400a9fc386ad5a..00000000000000 --- a/drivers/staging/pohmelfs/path_entry.c +++ /dev/null @@ -1,120 +0,0 @@ -/* - * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net> - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/module.h> -#include <linux/fs.h> -#include <linux/ktime.h> -#include <linux/fs_struct.h> -#include <linux/pagemap.h> -#include <linux/writeback.h> -#include <linux/mount.h> -#include <linux/mm.h> - -#include "netfs.h" - -#define UNHASHED_OBSCURE_STRING_SIZE sizeof(" (deleted)") - -/* - * Create path from root for given inode. - * Path is formed as set of stuctures, containing name of the object - * and its inode data (mode, permissions and so on). - */ -int pohmelfs_construct_path_string(struct pohmelfs_inode *pi, void *data, int len) -{ - struct path path; - struct dentry *d; - char *ptr; - int err = 0, strlen, reduce = 0; - - d = d_find_alias(&pi->vfs_inode); - if (!d) { - printk("%s: no alias, list_empty: %d.\n", __func__, list_empty(&pi->vfs_inode.i_dentry)); - return -ENOENT; - } - - spin_lock(¤t->fs->lock); - path.mnt = mntget(current->fs->root.mnt); - spin_unlock(¤t->fs->lock); - - path.dentry = d; - - if (!IS_ROOT(d) && d_unhashed(d)) - reduce = 1; - - ptr = d_path(&path, data, len); - if (IS_ERR(ptr)) { - err = PTR_ERR(ptr); - goto out; - } - - if (reduce && len >= UNHASHED_OBSCURE_STRING_SIZE) { - char *end = data + len - UNHASHED_OBSCURE_STRING_SIZE; - *end = '\0'; - } - - strlen = len - (ptr - (char *)data); - memmove(data, ptr, strlen); - ptr = data; - - err = strlen; - - dprintk("%s: dname: '%s', len: %u, maxlen: %u, name: '%s', strlen: %d.\n", - __func__, d->d_name.name, d->d_name.len, len, ptr, strlen); - -out: - dput(d); - mntput(path.mnt); - - return err; -} - -int pohmelfs_path_length(struct pohmelfs_inode *pi) -{ - struct dentry *d, *root, *first; - int len; - unsigned seq; - - first = d_find_alias(&pi->vfs_inode); - if (!first) { - dprintk("%s: ino: %llu, mode: %o.\n", __func__, pi->ino, pi->vfs_inode.i_mode); - return -ENOENT; - } - - spin_lock(¤t->fs->lock); - root = dget(current->fs->root.dentry); - spin_unlock(¤t->fs->lock); - -rename_retry: - len = 1; /* Root slash */ - d = first; - seq = read_seqbegin(&rename_lock); - rcu_read_lock(); - - if (!IS_ROOT(d) && d_unhashed(d)) - len += UNHASHED_OBSCURE_STRING_SIZE; /* Obscure " (deleted)" string */ - - while (d && d != root && !IS_ROOT(d)) { - len += d->d_name.len + 1; /* Plus slash */ - d = d->d_parent; - } - rcu_read_unlock(); - if (read_seqretry(&rename_lock, seq)) - goto rename_retry; - - dput(root); - dput(first); - - return len + 1; /* Including zero-byte */ -} diff --git a/drivers/staging/pohmelfs/trans.c b/drivers/staging/pohmelfs/trans.c deleted file mode 100644 index 06c1a7451b1bdc..00000000000000 --- a/drivers/staging/pohmelfs/trans.c +++ /dev/null @@ -1,706 +0,0 @@ -/* - * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net> - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/module.h> -#include <linux/crypto.h> -#include <linux/fs.h> -#include <linux/jhash.h> -#include <linux/hash.h> -#include <linux/ktime.h> -#include <linux/mempool.h> -#include <linux/mm.h> -#include <linux/mount.h> -#include <linux/pagemap.h> -#include <linux/parser.h> -#include <linux/poll.h> -#include <linux/swap.h> -#include <linux/slab.h> -#include <linux/statfs.h> -#include <linux/writeback.h> - -#include "netfs.h" - -static struct kmem_cache *netfs_trans_dst; -static mempool_t *netfs_trans_dst_pool; - -static void netfs_trans_init_static(struct netfs_trans *t, int num, int size) -{ - t->page_num = num; - t->total_size = size; - atomic_set(&t->refcnt, 1); - - spin_lock_init(&t->dst_lock); - INIT_LIST_HEAD(&t->dst_list); -} - -static int netfs_trans_send_pages(struct netfs_trans *t, struct netfs_state *st) -{ - int err = 0; - unsigned int i, attached_pages = t->attached_pages, ci; - struct msghdr msg; - struct page **pages = (t->eng) ? t->eng->pages : t->pages; - struct page *p; - unsigned int size; - - msg.msg_name = NULL; - msg.msg_namelen = 0; - msg.msg_control = NULL; - msg.msg_controllen = 0; - msg.msg_flags = MSG_WAITALL | MSG_MORE; - - ci = 0; - for (i = 0; i < t->page_num; ++i) { - struct page *page = pages[ci]; - struct netfs_cmd cmd; - struct iovec io; - - p = t->pages[i]; - - if (!p) - continue; - - size = page_private(p); - - io.iov_base = &cmd; - io.iov_len = sizeof(struct netfs_cmd); - - cmd.cmd = NETFS_WRITE_PAGE; - cmd.ext = 0; - cmd.id = 0; - cmd.size = size; - cmd.start = p->index; - cmd.start <<= PAGE_CACHE_SHIFT; - cmd.csize = 0; - cmd.cpad = 0; - cmd.iv = pohmelfs_gen_iv(t); - - netfs_convert_cmd(&cmd); - - msg.msg_iov = &io; - msg.msg_iovlen = 1; - msg.msg_flags = MSG_WAITALL | MSG_MORE; - - err = kernel_sendmsg(st->socket, &msg, (struct kvec *)msg.msg_iov, 1, sizeof(struct netfs_cmd)); - if (err <= 0) { - printk("%s: %d/%d failed to send transaction header: t: %p, gen: %u, err: %d.\n", - __func__, i, t->page_num, t, t->gen, err); - if (err == 0) - err = -ECONNRESET; - goto err_out; - } - - msg.msg_flags = MSG_WAITALL | (attached_pages == 1 ? 0 : - MSG_MORE); - - err = kernel_sendpage(st->socket, page, 0, size, msg.msg_flags); - if (err <= 0) { - printk("%s: %d/%d failed to send transaction page: t: %p, gen: %u, size: %u, err: %d.\n", - __func__, i, t->page_num, t, t->gen, size, err); - if (err == 0) - err = -ECONNRESET; - goto err_out; - } - - dprintk("%s: %d/%d sent t: %p, gen: %u, page: %p/%p, size: %u.\n", - __func__, i, t->page_num, t, t->gen, page, p, size); - - err = 0; - attached_pages--; - if (!attached_pages) - break; - ci++; - - continue; - -err_out: - printk("%s: t: %p, gen: %u, err: %d.\n", __func__, t, t->gen, err); - netfs_state_exit(st); - break; - } - - return err; -} - -int netfs_trans_send(struct netfs_trans *t, struct netfs_state *st) -{ - int err; - struct msghdr msg; - - BUG_ON(!t->iovec.iov_len); - BUG_ON(t->iovec.iov_len > 1024*1024*1024); - - netfs_state_lock_send(st); - if (!st->socket) { - err = netfs_state_init(st); - if (err) - goto err_out_unlock_return; - } - - msg.msg_iov = &t->iovec; - msg.msg_iovlen = 1; - msg.msg_name = NULL; - msg.msg_namelen = 0; - msg.msg_control = NULL; - msg.msg_controllen = 0; - msg.msg_flags = MSG_WAITALL; - - if (t->attached_pages) - msg.msg_flags |= MSG_MORE; - - err = kernel_sendmsg(st->socket, &msg, (struct kvec *)msg.msg_iov, 1, t->iovec.iov_len); - if (err <= 0) { - printk("%s: failed to send contig transaction: t: %p, gen: %u, size: %zu, err: %d.\n", - __func__, t, t->gen, t->iovec.iov_len, err); - if (err == 0) - err = -ECONNRESET; - goto err_out_unlock_return; - } - - dprintk("%s: sent %s transaction: t: %p, gen: %u, size: %zu, page_num: %u.\n", - __func__, (t->page_num) ? "partial" : "full", - t, t->gen, t->iovec.iov_len, t->page_num); - - err = 0; - if (t->attached_pages) - err = netfs_trans_send_pages(t, st); - -err_out_unlock_return: - - if (st->need_reset) - netfs_state_exit(st); - - netfs_state_unlock_send(st); - - dprintk("%s: t: %p, gen: %u, err: %d.\n", - __func__, t, t->gen, err); - - t->result = err; - return err; -} - -static inline int netfs_trans_cmp(unsigned int gen, unsigned int new) -{ - if (gen < new) - return 1; - if (gen > new) - return -1; - return 0; -} - -struct netfs_trans_dst *netfs_trans_search(struct netfs_state *st, unsigned int gen) -{ - struct rb_root *root = &st->trans_root; - struct rb_node *n = root->rb_node; - struct netfs_trans_dst *tmp, *ret = NULL; - struct netfs_trans *t; - int cmp; - - while (n) { - tmp = rb_entry(n, struct netfs_trans_dst, state_entry); - t = tmp->trans; - - cmp = netfs_trans_cmp(t->gen, gen); - if (cmp < 0) - n = n->rb_left; - else if (cmp > 0) - n = n->rb_right; - else { - ret = tmp; - break; - } - } - - return ret; -} - -static int netfs_trans_insert(struct netfs_trans_dst *ndst, struct netfs_state *st) -{ - struct rb_root *root = &st->trans_root; - struct rb_node **n = &root->rb_node, *parent = NULL; - struct netfs_trans_dst *ret = NULL, *tmp; - struct netfs_trans *t = NULL, *new = ndst->trans; - int cmp; - - while (*n) { - parent = *n; - - tmp = rb_entry(parent, struct netfs_trans_dst, state_entry); - t = tmp->trans; - - cmp = netfs_trans_cmp(t->gen, new->gen); - if (cmp < 0) - n = &parent->rb_left; - else if (cmp > 0) - n = &parent->rb_right; - else { - ret = tmp; - break; - } - } - - if (ret) { - printk("%s: exist: old: gen: %u, flags: %x, send_time: %lu, " - "new: gen: %u, flags: %x, send_time: %lu.\n", - __func__, t->gen, t->flags, ret->send_time, - new->gen, new->flags, ndst->send_time); - return -EEXIST; - } - - rb_link_node(&ndst->state_entry, parent, n); - rb_insert_color(&ndst->state_entry, root); - ndst->send_time = jiffies; - - return 0; -} - -int netfs_trans_remove_nolock(struct netfs_trans_dst *dst, struct netfs_state *st) -{ - if (dst && dst->state_entry.rb_parent_color) { - rb_erase(&dst->state_entry, &st->trans_root); - dst->state_entry.rb_parent_color = 0; - return 1; - } - return 0; -} - -static int netfs_trans_remove_state(struct netfs_trans_dst *dst) -{ - int ret; - struct netfs_state *st = dst->state; - - mutex_lock(&st->trans_lock); - ret = netfs_trans_remove_nolock(dst, st); - mutex_unlock(&st->trans_lock); - - return ret; -} - -/* - * Create new destination for given transaction associated with given network state. - * Transaction's reference counter is bumped and will be dropped when either - * reply is received or when async timeout detection task will fail resending - * and drop transaction. - */ -static int netfs_trans_push_dst(struct netfs_trans *t, struct netfs_state *st) -{ - struct netfs_trans_dst *dst; - int err; - - dst = mempool_alloc(netfs_trans_dst_pool, GFP_KERNEL); - if (!dst) - return -ENOMEM; - - dst->retries = 0; - dst->send_time = 0; - dst->state = st; - dst->trans = t; - netfs_trans_get(t); - - mutex_lock(&st->trans_lock); - err = netfs_trans_insert(dst, st); - mutex_unlock(&st->trans_lock); - - if (err) - goto err_out_free; - - spin_lock(&t->dst_lock); - list_add_tail(&dst->trans_entry, &t->dst_list); - spin_unlock(&t->dst_lock); - - return 0; - -err_out_free: - t->result = err; - netfs_trans_put(t); - mempool_free(dst, netfs_trans_dst_pool); - return err; -} - -static void netfs_trans_free_dst(struct netfs_trans_dst *dst) -{ - netfs_trans_put(dst->trans); - mempool_free(dst, netfs_trans_dst_pool); -} - -static void netfs_trans_remove_dst(struct netfs_trans_dst *dst) -{ - if (netfs_trans_remove_state(dst)) - netfs_trans_free_dst(dst); -} - -/* - * Drop destination transaction entry when we know it. - */ -void netfs_trans_drop_dst(struct netfs_trans_dst *dst) -{ - struct netfs_trans *t = dst->trans; - - spin_lock(&t->dst_lock); - list_del_init(&dst->trans_entry); - spin_unlock(&t->dst_lock); - - netfs_trans_remove_dst(dst); -} - -/* - * Drop destination transaction entry when we know it and when we - * already removed dst from state tree. - */ -void netfs_trans_drop_dst_nostate(struct netfs_trans_dst *dst) -{ - struct netfs_trans *t = dst->trans; - - spin_lock(&t->dst_lock); - list_del_init(&dst->trans_entry); - spin_unlock(&t->dst_lock); - - netfs_trans_free_dst(dst); -} - -/* - * This drops destination transaction entry from appropriate network state - * tree and drops related reference counter. It is possible that transaction - * will be freed here if its reference counter hits zero. - * Destination transaction entry will be freed. - */ -void netfs_trans_drop_trans(struct netfs_trans *t, struct netfs_state *st) -{ - struct netfs_trans_dst *dst, *tmp, *ret = NULL; - - spin_lock(&t->dst_lock); - list_for_each_entry_safe(dst, tmp, &t->dst_list, trans_entry) { - if (dst->state == st) { - ret = dst; - list_del(&dst->trans_entry); - break; - } - } - spin_unlock(&t->dst_lock); - - if (ret) - netfs_trans_remove_dst(ret); -} - -/* - * This drops destination transaction entry from appropriate network state - * tree and drops related reference counter. It is possible that transaction - * will be freed here if its reference counter hits zero. - * Destination transaction entry will be freed. - */ -void netfs_trans_drop_last(struct netfs_trans *t, struct netfs_state *st) -{ - struct netfs_trans_dst *dst, *tmp, *ret; - - spin_lock(&t->dst_lock); - ret = list_entry(t->dst_list.prev, struct netfs_trans_dst, trans_entry); - if (ret->state != st) { - ret = NULL; - list_for_each_entry_safe(dst, tmp, &t->dst_list, trans_entry) { - if (dst->state == st) { - ret = dst; - list_del_init(&dst->trans_entry); - break; - } - } - } else { - list_del(&ret->trans_entry); - } - spin_unlock(&t->dst_lock); - - if (ret) - netfs_trans_remove_dst(ret); -} - -static int netfs_trans_push(struct netfs_trans *t, struct netfs_state *st) -{ - int err; - - err = netfs_trans_push_dst(t, st); - if (err) - return err; - - err = netfs_trans_send(t, st); - if (err) - goto err_out_free; - - if (t->flags & NETFS_TRANS_SINGLE_DST) - pohmelfs_switch_active(st->psb); - - return 0; - -err_out_free: - t->result = err; - netfs_trans_drop_last(t, st); - - return err; -} - -int netfs_trans_finish_send(struct netfs_trans *t, struct pohmelfs_sb *psb) -{ - struct pohmelfs_config *c; - int err = -ENODEV; - struct netfs_state *st; -#if 0 - dprintk("%s: t: %p, gen: %u, size: %u, page_num: %u, active: %p.\n", - __func__, t, t->gen, t->iovec.iov_len, t->page_num, psb->active_state); -#endif - mutex_lock(&psb->state_lock); - list_for_each_entry(c, &psb->state_list, config_entry) { - st = &c->state; - - if (t->flags & NETFS_TRANS_SINGLE_DST) { - if (!(st->ctl.perm & POHMELFS_IO_PERM_READ)) - continue; - } else { - if (!(st->ctl.perm & POHMELFS_IO_PERM_WRITE)) - continue; - } - - if (psb->active_state && (psb->active_state->state.ctl.prio >= st->ctl.prio) && - (t->flags & NETFS_TRANS_SINGLE_DST)) - st = &psb->active_state->state; - - err = netfs_trans_push(t, st); - if (!err && (t->flags & NETFS_TRANS_SINGLE_DST)) - break; - } - - mutex_unlock(&psb->state_lock); -#if 0 - dprintk("%s: fully sent t: %p, gen: %u, size: %u, page_num: %u, err: %d.\n", - __func__, t, t->gen, t->iovec.iov_len, t->page_num, err); -#endif - if (err) - t->result = err; - return err; -} - -int netfs_trans_finish(struct netfs_trans *t, struct pohmelfs_sb *psb) -{ - int err; - struct netfs_cmd *cmd = t->iovec.iov_base; - - t->gen = atomic_inc_return(&psb->trans_gen); - - cmd->size = t->iovec.iov_len - sizeof(struct netfs_cmd) + - t->attached_size + t->attached_pages * sizeof(struct netfs_cmd); - cmd->cmd = NETFS_TRANS; - cmd->start = t->gen; - cmd->id = 0; - - if (psb->perform_crypto) { - cmd->ext = psb->crypto_attached_size; - cmd->csize = psb->crypto_attached_size; - } - - dprintk("%s: t: %u, size: %u, iov_len: %zu, attached_size: %u, attached_pages: %u.\n", - __func__, t->gen, cmd->size, t->iovec.iov_len, t->attached_size, t->attached_pages); - err = pohmelfs_trans_crypt(t, psb); - if (err) { - t->result = err; - netfs_convert_cmd(cmd); - dprintk("%s: trans: %llu, crypto_attached_size: %u, attached_size: %u, attached_pages: %d, trans_size: %u, err: %d.\n", - __func__, cmd->start, psb->crypto_attached_size, t->attached_size, t->attached_pages, cmd->size, err); - } - netfs_trans_put(t); - return err; -} - -/* - * Resend transaction to remote server(s). - * If new servers were added into superblock, we can try to send data - * to them too. - * - * It is called under superblock's state_lock, so we can safely - * dereference psb->state_list. Also, transaction's reference counter is - * bumped, so it can not go away under us, thus we can safely access all - * its members. State is locked. - * - * This function returns 0 if transaction was successfully sent to at - * least one destination target. - */ -int netfs_trans_resend(struct netfs_trans *t, struct pohmelfs_sb *psb) -{ - struct netfs_trans_dst *dst; - struct netfs_state *st; - struct pohmelfs_config *c; - int err, exist, error = -ENODEV; - - list_for_each_entry(c, &psb->state_list, config_entry) { - st = &c->state; - - exist = 0; - spin_lock(&t->dst_lock); - list_for_each_entry(dst, &t->dst_list, trans_entry) { - if (st == dst->state) { - exist = 1; - break; - } - } - spin_unlock(&t->dst_lock); - - if (exist) { - if (!(t->flags & NETFS_TRANS_SINGLE_DST) || - (c->config_entry.next == &psb->state_list)) { - dprintk("%s: resending st: %p, t: %p, gen: %u.\n", - __func__, st, t, t->gen); - err = netfs_trans_send(t, st); - if (!err) - error = 0; - } - continue; - } - - dprintk("%s: pushing/resending st: %p, t: %p, gen: %u.\n", - __func__, st, t, t->gen); - err = netfs_trans_push(t, st); - if (err) - continue; - error = 0; - if (t->flags & NETFS_TRANS_SINGLE_DST) - break; - } - - t->result = error; - return error; -} - -void *netfs_trans_add(struct netfs_trans *t, unsigned int size) -{ - struct iovec *io = &t->iovec; - void *ptr; - - if (size > t->total_size) { - ptr = ERR_PTR(-EINVAL); - goto out; - } - - if (io->iov_len + size > t->total_size) { - dprintk("%s: too big size t: %p, gen: %u, iov_len: %zu, size: %u, total: %u.\n", - __func__, t, t->gen, io->iov_len, size, t->total_size); - ptr = ERR_PTR(-E2BIG); - goto out; - } - - ptr = io->iov_base + io->iov_len; - io->iov_len += size; - -out: - dprintk("%s: t: %p, gen: %u, size: %u, total: %zu.\n", - __func__, t, t->gen, size, io->iov_len); - return ptr; -} - -void netfs_trans_free(struct netfs_trans *t) -{ - if (t->eng) - pohmelfs_crypto_thread_make_ready(t->eng->thread); - kfree(t); -} - -struct netfs_trans *netfs_trans_alloc(struct pohmelfs_sb *psb, unsigned int size, - unsigned int flags, unsigned int nr) -{ - struct netfs_trans *t; - unsigned int num, cont, pad, size_no_trans; - unsigned int crypto_added = 0; - struct netfs_cmd *cmd; - - if (psb->perform_crypto) - crypto_added = psb->crypto_attached_size; - - /* - * |sizeof(struct netfs_trans)| - * |sizeof(struct netfs_cmd)| - transaction header - * |size| - buffer with requested size - * |padding| - crypto padding, zero bytes - * |nr * sizeof(struct page *)| - array of page pointers - * - * Overall size should be less than PAGE_SIZE for guaranteed allocation. - */ - - cont = size; - size = ALIGN(size, psb->crypto_align_size); - pad = size - cont; - - size_no_trans = size + sizeof(struct netfs_cmd) * 2 + crypto_added; - - cont = sizeof(struct netfs_trans) + size_no_trans; - - num = (PAGE_SIZE - cont)/sizeof(struct page *); - - if (nr > num) - nr = num; - - t = kzalloc(cont + nr*sizeof(struct page *), GFP_NOIO); - if (!t) - goto err_out_exit; - - t->iovec.iov_base = (void *)(t + 1); - t->pages = (struct page **)(t->iovec.iov_base + size_no_trans); - - /* - * Reserving space for transaction header. - */ - t->iovec.iov_len = sizeof(struct netfs_cmd) + crypto_added; - - netfs_trans_init_static(t, nr, size_no_trans); - - t->flags = flags; - t->psb = psb; - - cmd = (struct netfs_cmd *)t->iovec.iov_base; - - cmd->size = size; - cmd->cpad = pad; - cmd->csize = crypto_added; - - dprintk("%s: t: %p, gen: %u, size: %u, padding: %u, align_size: %u, flags: %x, " - "page_num: %u, base: %p, pages: %p.\n", - __func__, t, t->gen, size, pad, psb->crypto_align_size, flags, nr, - t->iovec.iov_base, t->pages); - - return t; - -err_out_exit: - return NULL; -} - -int netfs_trans_init(void) -{ - int err = -ENOMEM; - - netfs_trans_dst = kmem_cache_create("netfs_trans_dst", sizeof(struct netfs_trans_dst), - 0, 0, NULL); - if (!netfs_trans_dst) - goto err_out_exit; - - netfs_trans_dst_pool = mempool_create_slab_pool(256, netfs_trans_dst); - if (!netfs_trans_dst_pool) - goto err_out_free; - - return 0; - -err_out_free: - kmem_cache_destroy(netfs_trans_dst); -err_out_exit: - return err; -} - -void netfs_trans_exit(void) -{ - mempool_destroy(netfs_trans_dst_pool); - kmem_cache_destroy(netfs_trans_dst); -} diff --git a/drivers/staging/rtl8712/drv_types.h b/drivers/staging/rtl8712/drv_types.h index 9b5d771e650ca2..ed85b4415207fc 100644 --- a/drivers/staging/rtl8712/drv_types.h +++ b/drivers/staging/rtl8712/drv_types.h @@ -37,6 +37,8 @@ struct _adapter; #include "wlan_bssdef.h" #include "rtl8712_spec.h" #include "rtl8712_hal.h" +#include <linux/mutex.h> +#include <linux/completion.h> enum _NIC_VERSION { RTL8711_NIC, @@ -168,6 +170,7 @@ struct _adapter { s32 bSurpriseRemoved; u32 IsrContent; u32 ImrContent; + bool fw_found; u8 EepromAddressSize; u8 hw_init_completed; struct task_struct *cmdThread; @@ -184,6 +187,10 @@ struct _adapter { _workitem wkFilterRxFF0; u8 blnEnableRxFF0Filter; spinlock_t lockRxFF0Filter; + const struct firmware *fw; + struct usb_interface *pusb_intf; + struct mutex mutex_start; + struct completion rtl8712_fw_ready; }; static inline u8 *myid(struct eeprom_priv *peepriv) diff --git a/drivers/staging/rtl8712/hal_init.c b/drivers/staging/rtl8712/hal_init.c index d0029aa4cd3cef..cc893c0f5ad315 100644 --- a/drivers/staging/rtl8712/hal_init.c +++ b/drivers/staging/rtl8712/hal_init.c @@ -42,29 +42,56 @@ #define FWBUFF_ALIGN_SZ 512 #define MAX_DUMP_FWSZ 49152 /*default = 49152 (48k)*/ -static u32 rtl871x_open_fw(struct _adapter *padapter, void **pphfwfile_hdl, - const u8 **ppmappedfw) +static void rtl871x_load_fw_cb(const struct firmware *firmware, void *context) { + struct _adapter *padapter = context; + + complete(&padapter->rtl8712_fw_ready); + if (!firmware) { + struct usb_device *udev = padapter->dvobjpriv.pusbdev; + struct usb_interface *pusb_intf = padapter->pusb_intf; + printk(KERN_ERR "r8712u: Firmware request failed\n"); + padapter->fw_found = false; + usb_put_dev(udev); + usb_set_intfdata(pusb_intf, NULL); + return; + } + padapter->fw = firmware; + padapter->fw_found = true; + /* firmware available - start netdev */ + register_netdev(padapter->pnetdev); +} + +static const char firmware_file[] = "rtlwifi/rtl8712u.bin"; + +int rtl871x_load_fw(struct _adapter *padapter) +{ + struct device *dev = &padapter->dvobjpriv.pusbdev->dev; int rc; - const char firmware_file[] = "rtlwifi/rtl8712u.bin"; - const struct firmware **praw = (const struct firmware **) - (pphfwfile_hdl); - struct dvobj_priv *pdvobjpriv = (struct dvobj_priv *) - (&padapter->dvobjpriv); - struct usb_device *pusbdev = pdvobjpriv->pusbdev; + init_completion(&padapter->rtl8712_fw_ready); printk(KERN_INFO "r8712u: Loading firmware from \"%s\"\n", firmware_file); - rc = request_firmware(praw, firmware_file, &pusbdev->dev); - if (rc < 0) { - printk(KERN_ERR "r8712u: Unable to load firmware\n"); - printk(KERN_ERR "r8712u: Install latest linux-firmware\n"); + rc = request_firmware_nowait(THIS_MODULE, 1, firmware_file, dev, + GFP_KERNEL, padapter, rtl871x_load_fw_cb); + if (rc) + printk(KERN_ERR "r8712u: Firmware request error %d\n", rc); + return rc; +} +MODULE_FIRMWARE("rtlwifi/rtl8712u.bin"); + +static u32 rtl871x_open_fw(struct _adapter *padapter, const u8 **ppmappedfw) +{ + const struct firmware **praw = &padapter->fw; + + if (padapter->fw->size > 200000) { + printk(KERN_ERR "r8172u: Badfw->size of %d\n", + (int)padapter->fw->size); return 0; } *ppmappedfw = (u8 *)((*praw)->data); return (*praw)->size; } -MODULE_FIRMWARE("rtlwifi/rtl8712u.bin"); static void fill_fwpriv(struct _adapter *padapter, struct fw_priv *pfwpriv) { @@ -142,18 +169,17 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter) uint dump_imem_sz, imem_sz, dump_emem_sz, emem_sz; /* max = 49152; */ struct fw_hdr fwhdr; u32 ulfilelength; /* FW file size */ - void *phfwfile_hdl = NULL; const u8 *pmappedfw = NULL; u8 *ptmpchar = NULL, *ppayload, *ptr; struct tx_desc *ptx_desc; u32 txdscp_sz = sizeof(struct tx_desc); u8 ret = _FAIL; - ulfilelength = rtl871x_open_fw(padapter, &phfwfile_hdl, &pmappedfw); + ulfilelength = rtl871x_open_fw(padapter, &pmappedfw); if (pmappedfw && (ulfilelength > 0)) { update_fwhdr(&fwhdr, pmappedfw); if (chk_fwhdr(&fwhdr, ulfilelength) == _FAIL) - goto firmware_rel; + return ret; fill_fwpriv(padapter, &fwhdr.fwpriv); /* firmware check ok */ maxlen = (fwhdr.img_IMEM_size > fwhdr.img_SRAM_size) ? @@ -161,7 +187,7 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter) maxlen += txdscp_sz; ptmpchar = _malloc(maxlen + FWBUFF_ALIGN_SZ); if (ptmpchar == NULL) - goto firmware_rel; + return ret; ptx_desc = (struct tx_desc *)(ptmpchar + FWBUFF_ALIGN_SZ - ((addr_t)(ptmpchar) & (FWBUFF_ALIGN_SZ - 1))); @@ -297,8 +323,6 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter) exit_fail: kfree(ptmpchar); -firmware_rel: - release_firmware((struct firmware *)phfwfile_hdl); return ret; } diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c index 9a75c6dbe505e4..98a3d684f9b2c0 100644 --- a/drivers/staging/rtl8712/os_intfs.c +++ b/drivers/staging/rtl8712/os_intfs.c @@ -31,6 +31,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/kthread.h> +#include <linux/firmware.h> #include "osdep_service.h" #include "drv_types.h" #include "xmit_osdep.h" @@ -264,12 +265,12 @@ static void start_drv_timers(struct _adapter *padapter) void r8712_stop_drv_timers(struct _adapter *padapter) { _cancel_timer_ex(&padapter->mlmepriv.assoc_timer); - _cancel_timer_ex(&padapter->mlmepriv.sitesurveyctrl. - sitesurvey_ctrl_timer); _cancel_timer_ex(&padapter->securitypriv.tkip_timer); _cancel_timer_ex(&padapter->mlmepriv.scan_to_timer); _cancel_timer_ex(&padapter->mlmepriv.dhcp_timer); _cancel_timer_ex(&padapter->mlmepriv.wdg_timer); + _cancel_timer_ex(&padapter->mlmepriv.sitesurveyctrl. + sitesurvey_ctrl_timer); } static u8 init_default_value(struct _adapter *padapter) @@ -347,7 +348,8 @@ u8 r8712_free_drv_sw(struct _adapter *padapter) r8712_free_mlme_priv(&padapter->mlmepriv); r8712_free_io_queue(padapter); _free_xmit_priv(&padapter->xmitpriv); - _r8712_free_sta_priv(&padapter->stapriv); + if (padapter->fw_found) + _r8712_free_sta_priv(&padapter->stapriv); _r8712_free_recv_priv(&padapter->recvpriv); mp871xdeinit(padapter); if (pnetdev) @@ -388,6 +390,7 @@ static int netdev_open(struct net_device *pnetdev) { struct _adapter *padapter = (struct _adapter *)netdev_priv(pnetdev); + mutex_lock(&padapter->mutex_start); if (padapter->bup == false) { padapter->bDriverStopped = false; padapter->bSurpriseRemoved = false; @@ -435,11 +438,13 @@ static int netdev_open(struct net_device *pnetdev) /* start driver mlme relation timer */ start_drv_timers(padapter); padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK); + mutex_unlock(&padapter->mutex_start); return 0; netdev_open_error: padapter->bup = false; netif_carrier_off(pnetdev); netif_stop_queue(pnetdev); + mutex_unlock(&padapter->mutex_start); return -1; } @@ -473,6 +478,9 @@ static int netdev_close(struct net_device *pnetdev) r8712_free_network_queue(padapter); /* The interface is no longer Up: */ padapter->bup = false; + release_firmware(padapter->fw); + /* never exit with a firmware callback pending */ + wait_for_completion(&padapter->rtl8712_fw_ready); return 0; } diff --git a/drivers/staging/rtl8712/rtl8712_hal.h b/drivers/staging/rtl8712/rtl8712_hal.h index 665e71838172f0..d19865a5a50c5e 100644 --- a/drivers/staging/rtl8712/rtl8712_hal.h +++ b/drivers/staging/rtl8712/rtl8712_hal.h @@ -145,5 +145,6 @@ struct hal_priv { }; uint rtl8712_hal_init(struct _adapter *padapter); +int rtl871x_load_fw(struct _adapter *padapter); #endif diff --git a/drivers/staging/rtl8712/rtl871x_sta_mgt.c b/drivers/staging/rtl8712/rtl871x_sta_mgt.c index 64f56961883966..81bde803c59f40 100644 --- a/drivers/staging/rtl8712/rtl871x_sta_mgt.c +++ b/drivers/staging/rtl8712/rtl871x_sta_mgt.c @@ -43,6 +43,7 @@ static void _init_stainfo(struct sta_info *psta) _r8712_init_sta_xmit_priv(&psta->sta_xmitpriv); _r8712_init_sta_recv_priv(&psta->sta_recvpriv); #ifdef CONFIG_R8712_AP + _init_listhead(&psta->asoc_list); _init_listhead(&psta->auth_list); #endif } diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c index 5385da2e9cdbcd..9bade184883bdd 100644 --- a/drivers/staging/rtl8712/usb_intf.c +++ b/drivers/staging/rtl8712/usb_intf.c @@ -89,6 +89,7 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = { {USB_DEVICE(0x0DF6, 0x0045)}, {USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */ {USB_DEVICE(0x0DF6, 0x004B)}, + {USB_DEVICE(0x0DF6, 0x005B)}, {USB_DEVICE(0x0DF6, 0x005D)}, {USB_DEVICE(0x0DF6, 0x0063)}, /* Sweex */ @@ -389,6 +390,7 @@ static int r871xu_drv_init(struct usb_interface *pusb_intf, pdvobjpriv = &padapter->dvobjpriv; pdvobjpriv->padapter = padapter; padapter->dvobjpriv.pusbdev = udev; + padapter->pusb_intf = pusb_intf; usb_set_intfdata(pusb_intf, pnetdev); SET_NETDEV_DEV(pnetdev, &pusb_intf->dev); /* step 2. */ @@ -595,10 +597,11 @@ static int r871xu_drv_init(struct usb_interface *pusb_intf, "%pM\n", mac); memcpy(pnetdev->dev_addr, mac, ETH_ALEN); } - /* step 6. Tell the network stack we exist */ - if (register_netdev(pnetdev) != 0) + /* step 6. Load the firmware asynchronously */ + if (rtl871x_load_fw(padapter)) goto error; spin_lock_init(&padapter->lockRxFF0Filter); + mutex_init(&padapter->mutex_start); return 0; error: usb_put_dev(udev); @@ -629,7 +632,8 @@ static void r871xu_dev_remove(struct usb_interface *pusb_intf) flush_scheduled_work(); udelay(1); /*Stop driver mlme relation timer */ - r8712_stop_drv_timers(padapter); + if (padapter->fw_found) + r8712_stop_drv_timers(padapter); r871x_dev_unload(padapter); r8712_free_drv_sw(padapter); } diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c index e1c4492a710529..dde559d06c4374 100644 --- a/drivers/staging/tidspbridge/core/tiomap3430.c +++ b/drivers/staging/tidspbridge/core/tiomap3430.c @@ -1046,8 +1046,6 @@ static int bridge_dev_destroy(struct bridge_dev_context *dev_ctxt) /* Free the driver's device context: */ kfree(drv_datap->base_img); - kfree(drv_datap); - dev_set_drvdata(bridge, NULL); kfree((void *)dev_ctxt); return status; } diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.c b/drivers/staging/tidspbridge/rmgr/drv_interface.c index 76cfc6edecd9e2..385740bad0de72 100644 --- a/drivers/staging/tidspbridge/rmgr/drv_interface.c +++ b/drivers/staging/tidspbridge/rmgr/drv_interface.c @@ -410,6 +410,9 @@ static int __devexit omap34_xx_bridge_remove(struct platform_device *pdev) DBC_ASSERT(ret == true); } + kfree(drv_datap); + dev_set_drvdata(bridge, NULL); + func_cont: mem_ext_phys_pool_release(); @@ -500,35 +503,42 @@ static int bridge_open(struct inode *ip, struct file *filp) } #endif pr_ctxt = kzalloc(sizeof(struct process_context), GFP_KERNEL); - if (pr_ctxt) { - pr_ctxt->res_state = PROC_RES_ALLOCATED; - spin_lock_init(&pr_ctxt->dmm_map_lock); - INIT_LIST_HEAD(&pr_ctxt->dmm_map_list); - spin_lock_init(&pr_ctxt->dmm_rsv_lock); - INIT_LIST_HEAD(&pr_ctxt->dmm_rsv_list); - - pr_ctxt->node_id = kzalloc(sizeof(struct idr), GFP_KERNEL); - if (pr_ctxt->node_id) { - idr_init(pr_ctxt->node_id); - } else { - status = -ENOMEM; - goto err; - } + if (!pr_ctxt) + return -ENOMEM; + + pr_ctxt->res_state = PROC_RES_ALLOCATED; + spin_lock_init(&pr_ctxt->dmm_map_lock); + INIT_LIST_HEAD(&pr_ctxt->dmm_map_list); + spin_lock_init(&pr_ctxt->dmm_rsv_lock); + INIT_LIST_HEAD(&pr_ctxt->dmm_rsv_list); - pr_ctxt->stream_id = kzalloc(sizeof(struct idr), GFP_KERNEL); - if (pr_ctxt->stream_id) - idr_init(pr_ctxt->stream_id); - else - status = -ENOMEM; - } else { + pr_ctxt->node_id = kzalloc(sizeof(struct idr), GFP_KERNEL); + if (!pr_ctxt->node_id) { status = -ENOMEM; + goto err1; } -err: + + idr_init(pr_ctxt->node_id); + + pr_ctxt->stream_id = kzalloc(sizeof(struct idr), GFP_KERNEL); + if (!pr_ctxt->stream_id) { + status = -ENOMEM; + goto err2; + } + + idr_init(pr_ctxt->stream_id); + filp->private_data = pr_ctxt; + #ifdef CONFIG_TIDSPBRIDGE_RECOVERY - if (!status) - atomic_inc(&bridge_cref); + atomic_inc(&bridge_cref); #endif + return 0; + +err2: + kfree(pr_ctxt->node_id); +err1: + kfree(pr_ctxt); return status; } @@ -550,6 +560,8 @@ static int bridge_release(struct inode *ip, struct file *filp) flush_signals(current); drv_remove_all_resources(pr_ctxt); proc_detach(pr_ctxt); + kfree(pr_ctxt->node_id); + kfree(pr_ctxt->stream_id); kfree(pr_ctxt); filp->private_data = NULL; diff --git a/drivers/staging/usbip/stub_main.c b/drivers/staging/usbip/stub_main.c index 2d6317850064ae..705a9e530a19c3 100644 --- a/drivers/staging/usbip/stub_main.c +++ b/drivers/staging/usbip/stub_main.c @@ -246,8 +246,9 @@ static int __init usbip_host_init(void) { int ret; - stub_priv_cache = KMEM_CACHE(stub_priv, SLAB_HWCACHE_ALIGN); + init_busid_table(); + stub_priv_cache = KMEM_CACHE(stub_priv, SLAB_HWCACHE_ALIGN); if (!stub_priv_cache) { pr_err("kmem_cache_create failed\n"); return -ENOMEM; @@ -266,7 +267,6 @@ static int __init usbip_host_init(void) goto err_create_file; } - init_busid_table(); pr_info(DRIVER_DESC " v" USBIP_VERSION "\n"); return ret; diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c index 642840c612ac9a..ef7c52bb1df9f0 100644 --- a/drivers/staging/zcache/zcache-main.c +++ b/drivers/staging/zcache/zcache-main.c @@ -358,8 +358,8 @@ static struct zbud_hdr *zbud_create(uint16_t client_id, uint16_t pool_id, if (unlikely(zbpg == NULL)) goto out; /* ok, have a page, now compress the data before taking locks */ - spin_lock(&zbpg->lock); spin_lock(&zbud_budlists_spinlock); + spin_lock(&zbpg->lock); list_add_tail(&zbpg->bud_list, &zbud_unbuddied[nchunks].list); zbud_unbuddied[nchunks].count++; zh = &zbpg->buddy[0]; @@ -389,12 +389,11 @@ init_zh: zh->oid = *oid; zh->pool_id = pool_id; zh->client_id = client_id; - /* can wait to copy the data until the list locks are dropped */ - spin_unlock(&zbud_budlists_spinlock); - to = zbud_data(zh, size); memcpy(to, cdata, size); spin_unlock(&zbpg->lock); + spin_unlock(&zbud_budlists_spinlock); + zbud_cumul_chunk_counts[nchunks]++; atomic_inc(&zcache_zbud_curr_zpages); zcache_zbud_cumul_zpages++; @@ -655,8 +654,8 @@ static unsigned int zv_max_zsize = (PAGE_SIZE / 8) * 7; */ static unsigned int zv_max_mean_zsize = (PAGE_SIZE / 8) * 5; -static unsigned long zv_curr_dist_counts[NCHUNKS]; -static unsigned long zv_cumul_dist_counts[NCHUNKS]; +static atomic_t zv_curr_dist_counts[NCHUNKS]; +static atomic_t zv_cumul_dist_counts[NCHUNKS]; static struct zv_hdr *zv_create(struct xv_pool *xvpool, uint32_t pool_id, struct tmem_oid *oid, uint32_t index, @@ -675,8 +674,8 @@ static struct zv_hdr *zv_create(struct xv_pool *xvpool, uint32_t pool_id, &page, &offset, ZCACHE_GFP_MASK); if (unlikely(ret)) goto out; - zv_curr_dist_counts[chunks]++; - zv_cumul_dist_counts[chunks]++; + atomic_inc(&zv_curr_dist_counts[chunks]); + atomic_inc(&zv_cumul_dist_counts[chunks]); zv = kmap_atomic(page, KM_USER0) + offset; zv->index = index; zv->oid = *oid; @@ -698,7 +697,7 @@ static void zv_free(struct xv_pool *xvpool, struct zv_hdr *zv) ASSERT_SENTINEL(zv, ZVH); BUG_ON(chunks >= NCHUNKS); - zv_curr_dist_counts[chunks]--; + atomic_dec(&zv_curr_dist_counts[chunks]); size -= sizeof(*zv); BUG_ON(size == 0); INVERT_SENTINEL(zv, ZVH); @@ -738,7 +737,7 @@ static int zv_curr_dist_counts_show(char *buf) char *p = buf; for (i = 0; i < NCHUNKS; i++) { - n = zv_curr_dist_counts[i]; + n = atomic_read(&zv_curr_dist_counts[i]); p += sprintf(p, "%lu ", n); chunks += n; sum_total_chunks += i * n; @@ -754,7 +753,7 @@ static int zv_cumul_dist_counts_show(char *buf) char *p = buf; for (i = 0; i < NCHUNKS; i++) { - n = zv_cumul_dist_counts[i]; + n = atomic_read(&zv_cumul_dist_counts[i]); p += sprintf(p, "%lu ", n); chunks += n; sum_total_chunks += i * n; @@ -1782,9 +1781,9 @@ static int zcache_frontswap_poolid = -1; * Swizzling increases objects per swaptype, increasing tmem concurrency * for heavy swaploads. Later, larger nr_cpus -> larger SWIZ_BITS * Setting SWIZ_BITS to 27 basically reconstructs the swap entry from - * frontswap_get_page() + * frontswap_get_page(), but has side-effects. Hence using 8. */ -#define SWIZ_BITS 27 +#define SWIZ_BITS 8 #define SWIZ_MASK ((1 << SWIZ_BITS) - 1) #define _oswiz(_type, _ind) ((_type << SWIZ_BITS) | (_ind & SWIZ_MASK)) #define iswiz(_ind) (_ind >> SWIZ_BITS) diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index ac44af165b275a..44262908def547 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -1061,7 +1061,7 @@ attach_cmd: if (ret < 0) return iscsit_add_reject_from_cmd( ISCSI_REASON_BOOKMARK_NO_RESOURCES, - 1, 1, buf, cmd); + 1, 0, buf, cmd); /* * Check the CmdSN against ExpCmdSN/MaxCmdSN here if * the Immediate Bit is not set, and no Immediate @@ -3164,6 +3164,30 @@ static int iscsit_send_task_mgt_rsp( return 0; } +static bool iscsit_check_inaddr_any(struct iscsi_np *np) +{ + bool ret = false; + + if (np->np_sockaddr.ss_family == AF_INET6) { + const struct sockaddr_in6 sin6 = { + .sin6_addr = IN6ADDR_ANY_INIT }; + struct sockaddr_in6 *sock_in6 = + (struct sockaddr_in6 *)&np->np_sockaddr; + + if (!memcmp(sock_in6->sin6_addr.s6_addr, + sin6.sin6_addr.s6_addr, 16)) + ret = true; + } else { + struct sockaddr_in * sock_in = + (struct sockaddr_in *)&np->np_sockaddr; + + if (sock_in->sin_addr.s_addr == INADDR_ANY) + ret = true; + } + + return ret; +} + static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd) { char *payload = NULL; @@ -3213,12 +3237,17 @@ static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd) spin_lock(&tpg->tpg_np_lock); list_for_each_entry(tpg_np, &tpg->tpg_gnp_list, tpg_np_list) { + struct iscsi_np *np = tpg_np->tpg_np; + bool inaddr_any = iscsit_check_inaddr_any(np); + len = sprintf(buf, "TargetAddress=" "%s%s%s:%hu,%hu", - (tpg_np->tpg_np->np_sockaddr.ss_family == AF_INET6) ? - "[" : "", tpg_np->tpg_np->np_ip, - (tpg_np->tpg_np->np_sockaddr.ss_family == AF_INET6) ? - "]" : "", tpg_np->tpg_np->np_port, + (np->np_sockaddr.ss_family == AF_INET6) ? + "[" : "", (inaddr_any == false) ? + np->np_ip : conn->local_ip, + (np->np_sockaddr.ss_family == AF_INET6) ? + "]" : "", (inaddr_any == false) ? + np->np_port : conn->local_port, tpg->tpgt); len += 1; diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index 3468caab47a24f..6b35b37988edef 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -21,6 +21,7 @@ #include <linux/configfs.h> #include <linux/export.h> +#include <linux/inet.h> #include <target/target_core_base.h> #include <target/target_core_fabric.h> #include <target/target_core_fabric_configfs.h> diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h index f1a02dad05a028..0ec3b77a0c272e 100644 --- a/drivers/target/iscsi/iscsi_target_core.h +++ b/drivers/target/iscsi/iscsi_target_core.h @@ -508,6 +508,7 @@ struct iscsi_conn { u16 cid; /* Remote TCP Port */ u16 login_port; + u16 local_port; int net_size; u32 auth_id; #define CONNFLAG_SCTP_STRUCT_FILE 0x01 @@ -527,6 +528,7 @@ struct iscsi_conn { unsigned char bad_hdr[ISCSI_HDR_LEN]; #define IPV6_ADDRESS_SPACE 48 unsigned char login_ip[IPV6_ADDRESS_SPACE]; + unsigned char local_ip[IPV6_ADDRESS_SPACE]; int conn_usage_count; int conn_waiting_on_uc; atomic_t check_immediate_queue; @@ -561,8 +563,8 @@ struct iscsi_conn { struct hash_desc conn_tx_hash; /* Used for scheduling TX and RX connection kthreads */ cpumask_var_t conn_cpumask; - int conn_rx_reset_cpumask:1; - int conn_tx_reset_cpumask:1; + unsigned int conn_rx_reset_cpumask:1; + unsigned int conn_tx_reset_cpumask:1; /* list_head of struct iscsi_cmd for this connection */ struct list_head conn_cmd_list; struct list_head immed_queue_list; diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c index 255c0d67e8983d..27901e37c1256c 100644 --- a/drivers/target/iscsi/iscsi_target_erl1.c +++ b/drivers/target/iscsi/iscsi_target_erl1.c @@ -1238,7 +1238,7 @@ void iscsit_mod_dataout_timer(struct iscsi_cmd *cmd) { struct iscsi_conn *conn = cmd->conn; struct iscsi_session *sess = conn->sess; - struct iscsi_node_attrib *na = na = iscsit_tpg_get_node_attrib(sess); + struct iscsi_node_attrib *na = iscsit_tpg_get_node_attrib(sess); spin_lock_bh(&cmd->dataout_timeout_lock); if (!(cmd->dataout_timer_flags & ISCSI_TF_RUNNING)) { @@ -1261,7 +1261,7 @@ void iscsit_start_dataout_timer( struct iscsi_conn *conn) { struct iscsi_session *sess = conn->sess; - struct iscsi_node_attrib *na = na = iscsit_tpg_get_node_attrib(sess); + struct iscsi_node_attrib *na = iscsit_tpg_get_node_attrib(sess); if (cmd->dataout_timer_flags & ISCSI_TF_RUNNING) return; diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index 373b0cc6abd8d8..38cb7ce8469ed3 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -615,8 +615,8 @@ static int iscsi_post_login_handler( } pr_debug("iSCSI Login successful on CID: %hu from %s to" - " %s:%hu,%hu\n", conn->cid, conn->login_ip, np->np_ip, - np->np_port, tpg->tpgt); + " %s:%hu,%hu\n", conn->cid, conn->login_ip, + conn->local_ip, conn->local_port, tpg->tpgt); list_add_tail(&conn->conn_list, &sess->sess_conn_list); atomic_inc(&sess->nconn); @@ -658,7 +658,8 @@ static int iscsi_post_login_handler( sess->session_state = TARG_SESS_STATE_LOGGED_IN; pr_debug("iSCSI Login successful on CID: %hu from %s to %s:%hu,%hu\n", - conn->cid, conn->login_ip, np->np_ip, np->np_port, tpg->tpgt); + conn->cid, conn->login_ip, conn->local_ip, conn->local_port, + tpg->tpgt); spin_lock_bh(&sess->conn_lock); list_add_tail(&conn->conn_list, &sess->sess_conn_list); @@ -841,6 +842,14 @@ int iscsi_target_setup_login_socket( goto fail; } + ret = kernel_setsockopt(sock, IPPROTO_IP, IP_FREEBIND, + (char *)&opt, sizeof(opt)); + if (ret < 0) { + pr_err("kernel_setsockopt() for IP_FREEBIND" + " failed\n"); + goto fail; + } + ret = kernel_bind(sock, (struct sockaddr *)&np->np_sockaddr, len); if (ret < 0) { pr_err("kernel_bind() failed: %d\n", ret); @@ -1020,6 +1029,18 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) snprintf(conn->login_ip, sizeof(conn->login_ip), "%pI6c", &sock_in6.sin6_addr.in6_u); conn->login_port = ntohs(sock_in6.sin6_port); + + if (conn->sock->ops->getname(conn->sock, + (struct sockaddr *)&sock_in6, &err, 0) < 0) { + pr_err("sock_ops->getname() failed.\n"); + iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, + ISCSI_LOGIN_STATUS_TARGET_ERROR); + goto new_sess_out; + } + snprintf(conn->local_ip, sizeof(conn->local_ip), "%pI6c", + &sock_in6.sin6_addr.in6_u); + conn->local_port = ntohs(sock_in6.sin6_port); + } else { memset(&sock_in, 0, sizeof(struct sockaddr_in)); @@ -1032,6 +1053,16 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) } sprintf(conn->login_ip, "%pI4", &sock_in.sin_addr.s_addr); conn->login_port = ntohs(sock_in.sin_port); + + if (conn->sock->ops->getname(conn->sock, + (struct sockaddr *)&sock_in, &err, 0) < 0) { + pr_err("sock_ops->getname() failed.\n"); + iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, + ISCSI_LOGIN_STATUS_TARGET_ERROR); + goto new_sess_out; + } + sprintf(conn->local_ip, "%pI4", &sock_in.sin_addr.s_addr); + conn->local_port = ntohs(sock_in.sin_port); } conn->network_transport = np->np_network_transport; @@ -1039,7 +1070,7 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) pr_debug("Received iSCSI login request from %s on %s Network" " Portal %s:%hu\n", conn->login_ip, (conn->network_transport == ISCSI_TCP) ? "TCP" : "SCTP", - np->np_ip, np->np_port); + conn->local_ip, conn->local_port); pr_debug("Moving to TARG_CONN_STATE_IN_LOGIN.\n"); conn->conn_state = TARG_CONN_STATE_IN_LOGIN; diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index a05ca1c4f01c3c..11287e1ece1341 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -849,6 +849,17 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd) case ISCSI_OP_SCSI_TMFUNC: transport_generic_free_cmd(&cmd->se_cmd, 1); break; + case ISCSI_OP_REJECT: + /* + * Handle special case for REJECT when iscsi_add_reject*() has + * overwritten the original iscsi_opcode assignment, and the + * associated cmd->se_cmd needs to be released. + */ + if (cmd->se_cmd.se_tfo != NULL) { + transport_generic_free_cmd(&cmd->se_cmd, 1); + break; + } + /* Fall-through */ default: iscsit_release_cmd(cmd); break; diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index 1b1edd14f4bff4..01a2691dfb47c4 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -78,7 +78,7 @@ int target_emulate_report_target_port_groups(struct se_task *task) return -EINVAL; } - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); spin_lock(&su_dev->t10_alua.tg_pt_gps_lock); list_for_each_entry(tg_pt_gp, &su_dev->t10_alua.tg_pt_gps_list, @@ -163,7 +163,7 @@ int target_emulate_report_target_port_groups(struct se_task *task) buf[2] = ((rd_len >> 8) & 0xff); buf[3] = (rd_len & 0xff); - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); task->task_scsi_status = GOOD; transport_complete_task(task, 1); @@ -194,7 +194,7 @@ int target_emulate_set_target_port_groups(struct se_task *task) cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; return -EINVAL; } - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); /* * Determine if explict ALUA via SET_TARGET_PORT_GROUPS is allowed @@ -351,7 +351,7 @@ int target_emulate_set_target_port_groups(struct se_task *task) } out: - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); task->task_scsi_status = GOOD; transport_complete_task(task, 1); return 0; diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c index 2f2235edefffce..f3d71fa88a2825 100644 --- a/drivers/target/target_core_cdb.c +++ b/drivers/target/target_core_cdb.c @@ -83,7 +83,7 @@ target_emulate_inquiry_std(struct se_cmd *cmd) return -EINVAL; } - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); if (dev == tpg->tpg_virt_lun0.lun_se_dev) { buf[0] = 0x3f; /* Not connected */ @@ -134,7 +134,7 @@ target_emulate_inquiry_std(struct se_cmd *cmd) buf[4] = 31; /* Set additional length to 31 */ out: - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); return 0; } @@ -698,6 +698,13 @@ int target_emulate_inquiry(struct se_task *task) int p, ret; if (!(cdb[1] & 0x1)) { + if (cdb[2]) { + pr_err("INQUIRY with EVPD==0 but PAGE CODE=%02x\n", + cdb[2]); + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; + return -EINVAL; + } + ret = target_emulate_inquiry_std(cmd); goto out; } @@ -716,7 +723,7 @@ int target_emulate_inquiry(struct se_task *task) return -EINVAL; } - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); buf[0] = dev->transport->get_device_type(dev); @@ -729,11 +736,11 @@ int target_emulate_inquiry(struct se_task *task) } pr_err("Unknown VPD Code: 0x%02x\n", cdb[2]); - cmd->scsi_sense_reason = TCM_UNSUPPORTED_SCSI_OPCODE; + cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; ret = -EINVAL; out_unmap: - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); out: if (!ret) { task->task_scsi_status = GOOD; @@ -755,7 +762,7 @@ int target_emulate_readcapacity(struct se_task *task) else blocks = (u32)blocks_long; - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); buf[0] = (blocks >> 24) & 0xff; buf[1] = (blocks >> 16) & 0xff; @@ -771,7 +778,7 @@ int target_emulate_readcapacity(struct se_task *task) if (dev->se_sub_dev->se_dev_attrib.emulate_tpu || dev->se_sub_dev->se_dev_attrib.emulate_tpws) put_unaligned_be32(0xFFFFFFFF, &buf[0]); - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); task->task_scsi_status = GOOD; transport_complete_task(task, 1); @@ -785,7 +792,7 @@ int target_emulate_readcapacity_16(struct se_task *task) unsigned char *buf; unsigned long long blocks = dev->transport->get_blocks(dev); - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); buf[0] = (blocks >> 56) & 0xff; buf[1] = (blocks >> 48) & 0xff; @@ -806,7 +813,7 @@ int target_emulate_readcapacity_16(struct se_task *task) if (dev->se_sub_dev->se_dev_attrib.emulate_tpu || dev->se_sub_dev->se_dev_attrib.emulate_tpws) buf[14] = 0x80; - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); task->task_scsi_status = GOOD; transport_complete_task(task, 1); @@ -1019,9 +1026,9 @@ int target_emulate_modesense(struct se_task *task) offset = cmd->data_length; } - rbuf = transport_kmap_first_data_page(cmd); + rbuf = transport_kmap_data_sg(cmd); memcpy(rbuf, buf, offset); - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); task->task_scsi_status = GOOD; transport_complete_task(task, 1); @@ -1043,7 +1050,7 @@ int target_emulate_request_sense(struct se_task *task) return -ENOSYS; } - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); if (!core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq)) { /* @@ -1051,11 +1058,8 @@ int target_emulate_request_sense(struct se_task *task) */ buf[0] = 0x70; buf[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION; - /* - * Make sure request data length is enough for additional - * sense data. - */ - if (cmd->data_length <= 18) { + + if (cmd->data_length < 18) { buf[7] = 0x00; err = -EINVAL; goto end; @@ -1072,11 +1076,8 @@ int target_emulate_request_sense(struct se_task *task) */ buf[0] = 0x70; buf[SPC_SENSE_KEY_OFFSET] = NO_SENSE; - /* - * Make sure request data length is enough for additional - * sense data. - */ - if (cmd->data_length <= 18) { + + if (cmd->data_length < 18) { buf[7] = 0x00; err = -EINVAL; goto end; @@ -1089,7 +1090,7 @@ int target_emulate_request_sense(struct se_task *task) } end: - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); task->task_scsi_status = GOOD; transport_complete_task(task, 1); return 0; @@ -1123,7 +1124,7 @@ int target_emulate_unmap(struct se_task *task) dl = get_unaligned_be16(&cdb[0]); bd_dl = get_unaligned_be16(&cdb[2]); - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); ptr = &buf[offset]; pr_debug("UNMAP: Sub: %s Using dl: %hu bd_dl: %hu size: %hu" @@ -1147,7 +1148,7 @@ int target_emulate_unmap(struct se_task *task) } err: - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); if (!ret) { task->task_scsi_status = GOOD; transport_complete_task(task, 1); diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 0955bb8979fb6f..6e043eeb1db9c4 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -1704,13 +1704,15 @@ static ssize_t target_core_store_dev_alias( return -EINVAL; } - se_dev->su_dev_flags |= SDF_USING_ALIAS; read_bytes = snprintf(&se_dev->se_dev_alias[0], SE_DEV_ALIAS_LEN, "%s", page); - + if (!read_bytes) + return -EINVAL; if (se_dev->se_dev_alias[read_bytes - 1] == '\n') se_dev->se_dev_alias[read_bytes - 1] = '\0'; + se_dev->su_dev_flags |= SDF_USING_ALIAS; + pr_debug("Target_Core_ConfigFS: %s/%s set alias: %s\n", config_item_name(&hba->hba_group.cg_item), config_item_name(&se_dev->se_dev_group.cg_item), @@ -1753,13 +1755,15 @@ static ssize_t target_core_store_dev_udev_path( return -EINVAL; } - se_dev->su_dev_flags |= SDF_USING_UDEV_PATH; read_bytes = snprintf(&se_dev->se_dev_udev_path[0], SE_UDEV_PATH_LEN, "%s", page); - + if (!read_bytes) + return -EINVAL; if (se_dev->se_dev_udev_path[read_bytes - 1] == '\n') se_dev->se_dev_udev_path[read_bytes - 1] = '\0'; + se_dev->su_dev_flags |= SDF_USING_UDEV_PATH; + pr_debug("Target_Core_ConfigFS: %s/%s set udev_path: %s\n", config_item_name(&hba->hba_group.cg_item), config_item_name(&se_dev->se_dev_group.cg_item), diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index 0c5992f0d9469c..edbcabbf85f733 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -320,11 +320,12 @@ int core_free_device_list_for_node( void core_dec_lacl_count(struct se_node_acl *se_nacl, struct se_cmd *se_cmd) { struct se_dev_entry *deve; + unsigned long flags; - spin_lock_irq(&se_nacl->device_list_lock); + spin_lock_irqsave(&se_nacl->device_list_lock, flags); deve = &se_nacl->device_list[se_cmd->orig_fe_lun]; deve->deve_cmds--; - spin_unlock_irq(&se_nacl->device_list_lock); + spin_unlock_irqrestore(&se_nacl->device_list_lock, flags); } void core_update_device_list_access( @@ -656,7 +657,7 @@ int target_report_luns(struct se_task *se_task) unsigned char *buf; u32 cdb_offset = 0, lun_count = 0, offset = 8, i; - buf = transport_kmap_first_data_page(se_cmd); + buf = (unsigned char *) transport_kmap_data_sg(se_cmd); /* * If no struct se_session pointer is present, this struct se_cmd is @@ -694,7 +695,7 @@ int target_report_luns(struct se_task *se_task) * See SPC3 r07, page 159. */ done: - transport_kunmap_first_data_page(se_cmd); + transport_kunmap_data_sg(se_cmd); lun_count *= 8; buf[0] = ((lun_count >> 24) & 0xff); buf[1] = ((lun_count >> 16) & 0xff); @@ -1294,24 +1295,26 @@ struct se_lun *core_dev_add_lun( { struct se_lun *lun_p; u32 lun_access = 0; + int rc; if (atomic_read(&dev->dev_access_obj.obj_access_count) != 0) { pr_err("Unable to export struct se_device while dev_access_obj: %d\n", atomic_read(&dev->dev_access_obj.obj_access_count)); - return NULL; + return ERR_PTR(-EACCES); } lun_p = core_tpg_pre_addlun(tpg, lun); - if ((IS_ERR(lun_p)) || !lun_p) - return NULL; + if (IS_ERR(lun_p)) + return lun_p; if (dev->dev_flags & DF_READ_ONLY) lun_access = TRANSPORT_LUNFLAGS_READ_ONLY; else lun_access = TRANSPORT_LUNFLAGS_READ_WRITE; - if (core_tpg_post_addlun(tpg, lun_p, lun_access, dev) < 0) - return NULL; + rc = core_tpg_post_addlun(tpg, lun_p, lun_access, dev); + if (rc < 0) + return ERR_PTR(rc); pr_debug("%s_TPG[%u]_LUN[%u] - Activated %s Logical Unit from" " CORE HBA: %u\n", tpg->se_tpg_tfo->get_fabric_name(), @@ -1348,11 +1351,10 @@ int core_dev_del_lun( u32 unpacked_lun) { struct se_lun *lun; - int ret = 0; - lun = core_tpg_pre_dellun(tpg, unpacked_lun, &ret); - if (!lun) - return ret; + lun = core_tpg_pre_dellun(tpg, unpacked_lun); + if (IS_ERR(lun)) + return PTR_ERR(lun); core_tpg_post_dellun(tpg, lun); diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c index 4f77cce22646df..9a2ce11e1a6e40 100644 --- a/drivers/target/target_core_fabric_configfs.c +++ b/drivers/target/target_core_fabric_configfs.c @@ -766,9 +766,9 @@ static int target_fabric_port_link( lun_p = core_dev_add_lun(se_tpg, dev->se_hba, dev, lun->unpacked_lun); - if (IS_ERR(lun_p) || !lun_p) { + if (IS_ERR(lun_p)) { pr_err("core_dev_add_lun() failed\n"); - ret = -EINVAL; + ret = PTR_ERR(lun_p); goto out; } diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index cc8e6b58ef20b4..8572eae62da7a2 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -129,7 +129,7 @@ static struct se_device *iblock_create_virtdevice( /* * These settings need to be made tunable.. */ - ib_dev->ibd_bio_set = bioset_create(32, 64); + ib_dev->ibd_bio_set = bioset_create(32, 0); if (!ib_dev->ibd_bio_set) { pr_err("IBLOCK: Unable to create bioset()\n"); return ERR_PTR(-ENOMEM); @@ -181,7 +181,7 @@ static struct se_device *iblock_create_virtdevice( */ dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count = 1; dev->se_sub_dev->se_dev_attrib.unmap_granularity = - q->limits.discard_granularity; + q->limits.discard_granularity >> 9; dev->se_sub_dev->se_dev_attrib.unmap_granularity_alignment = q->limits.discard_alignment; @@ -488,6 +488,13 @@ iblock_get_bio(struct se_task *task, sector_t lba, u32 sg_num) struct iblock_req *ib_req = IBLOCK_REQ(task); struct bio *bio; + /* + * Only allocate as many vector entries as the bio code allows us to, + * we'll loop later on until we have handled the whole request. + */ + if (sg_num > BIO_MAX_PAGES) + sg_num = BIO_MAX_PAGES; + bio = bio_alloc_bioset(GFP_NOIO, sg_num, ib_dev->ibd_bio_set); if (!bio) { pr_err("Unable to allocate memory for bio\n"); diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h index 26f135e94f6eed..45001364788aee 100644 --- a/drivers/target/target_core_internal.h +++ b/drivers/target/target_core_internal.h @@ -90,7 +90,7 @@ void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *); struct se_lun *core_tpg_pre_addlun(struct se_portal_group *, u32); int core_tpg_post_addlun(struct se_portal_group *, struct se_lun *, u32, void *); -struct se_lun *core_tpg_pre_dellun(struct se_portal_group *, u32, int *); +struct se_lun *core_tpg_pre_dellun(struct se_portal_group *, u32 unpacked_lun); int core_tpg_post_dellun(struct se_portal_group *, struct se_lun *); /* target_core_transport.c */ diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 429ad729166438..b7c779389eea68 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -478,6 +478,7 @@ static int core_scsi3_pr_seq_non_holder( case READ_MEDIA_SERIAL_NUMBER: case REPORT_LUNS: case REQUEST_SENSE: + case PERSISTENT_RESERVE_IN: ret = 0; /*/ Allowed CDBs */ break; default: @@ -1534,7 +1535,7 @@ static int core_scsi3_decode_spec_i_port( tidh_new->dest_local_nexus = 1; list_add_tail(&tidh_new->dest_list, &tid_dest_list); - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); /* * For a PERSISTENT RESERVE OUT specify initiator ports payload, * first extract TransportID Parameter Data Length, and make sure @@ -1785,7 +1786,7 @@ static int core_scsi3_decode_spec_i_port( } - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); /* * Go ahead and create a registrations from tid_dest_list for the @@ -1833,7 +1834,7 @@ static int core_scsi3_decode_spec_i_port( return 0; out: - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); /* * For the failure case, release everything from tid_dest_list * including *dest_pr_reg and the configfs dependances.. @@ -3120,7 +3121,7 @@ static int core_scsi3_pro_preempt( if (!calling_it_nexus) core_scsi3_ua_allocate(pr_reg_nacl, pr_res_mapped_lun, 0x2A, - ASCQ_2AH_RESERVATIONS_PREEMPTED); + ASCQ_2AH_REGISTRATIONS_PREEMPTED); } spin_unlock(&pr_tmpl->registration_lock); /* @@ -3233,7 +3234,7 @@ static int core_scsi3_pro_preempt( * additional sense code set to REGISTRATIONS PREEMPTED; */ core_scsi3_ua_allocate(pr_reg_nacl, pr_res_mapped_lun, 0x2A, - ASCQ_2AH_RESERVATIONS_PREEMPTED); + ASCQ_2AH_REGISTRATIONS_PREEMPTED); } spin_unlock(&pr_tmpl->registration_lock); /* @@ -3410,14 +3411,14 @@ static int core_scsi3_emulate_pro_register_and_move( * will be moved to for the TransportID containing SCSI initiator WWN * information. */ - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); rtpi = (buf[18] & 0xff) << 8; rtpi |= buf[19] & 0xff; tid_len = (buf[20] & 0xff) << 24; tid_len |= (buf[21] & 0xff) << 16; tid_len |= (buf[22] & 0xff) << 8; tid_len |= buf[23] & 0xff; - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); buf = NULL; if ((tid_len + 24) != cmd->data_length) { @@ -3469,7 +3470,7 @@ static int core_scsi3_emulate_pro_register_and_move( return -EINVAL; } - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); proto_ident = (buf[24] & 0x0f); #if 0 pr_debug("SPC-3 PR REGISTER_AND_MOVE: Extracted Protocol Identifier:" @@ -3503,7 +3504,7 @@ static int core_scsi3_emulate_pro_register_and_move( goto out; } - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); buf = NULL; pr_debug("SPC-3 PR [%s] Extracted initiator %s identifier: %s" @@ -3768,13 +3769,13 @@ after_iport_check: " REGISTER_AND_MOVE\n"); } - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); core_scsi3_put_pr_reg(dest_pr_reg); return 0; out: if (buf) - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); if (dest_se_deve) core_scsi3_lunacl_undepend_item(dest_se_deve); if (dest_node_acl) @@ -3848,7 +3849,7 @@ int target_scsi3_emulate_pr_out(struct se_task *task) scope = (cdb[2] & 0xf0); type = (cdb[2] & 0x0f); - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); /* * From PERSISTENT_RESERVE_OUT parameter list (payload) */ @@ -3866,7 +3867,7 @@ int target_scsi3_emulate_pr_out(struct se_task *task) aptpl = (buf[17] & 0x01); unreg = (buf[17] & 0x02); } - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); buf = NULL; /* @@ -3966,7 +3967,7 @@ static int core_scsi3_pri_read_keys(struct se_cmd *cmd) return -EINVAL; } - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); buf[0] = ((su_dev->t10_pr.pr_generation >> 24) & 0xff); buf[1] = ((su_dev->t10_pr.pr_generation >> 16) & 0xff); buf[2] = ((su_dev->t10_pr.pr_generation >> 8) & 0xff); @@ -4000,7 +4001,7 @@ static int core_scsi3_pri_read_keys(struct se_cmd *cmd) buf[6] = ((add_len >> 8) & 0xff); buf[7] = (add_len & 0xff); - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); return 0; } @@ -4026,7 +4027,7 @@ static int core_scsi3_pri_read_reservation(struct se_cmd *cmd) return -EINVAL; } - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); buf[0] = ((su_dev->t10_pr.pr_generation >> 24) & 0xff); buf[1] = ((su_dev->t10_pr.pr_generation >> 16) & 0xff); buf[2] = ((su_dev->t10_pr.pr_generation >> 8) & 0xff); @@ -4085,7 +4086,7 @@ static int core_scsi3_pri_read_reservation(struct se_cmd *cmd) err: spin_unlock(&se_dev->dev_reservation_lock); - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); return 0; } @@ -4109,7 +4110,7 @@ static int core_scsi3_pri_report_capabilities(struct se_cmd *cmd) return -EINVAL; } - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); buf[0] = ((add_len << 8) & 0xff); buf[1] = (add_len & 0xff); @@ -4141,7 +4142,7 @@ static int core_scsi3_pri_report_capabilities(struct se_cmd *cmd) buf[4] |= 0x02; /* PR_TYPE_WRITE_EXCLUSIVE */ buf[5] |= 0x01; /* PR_TYPE_EXCLUSIVE_ACCESS_ALLREG */ - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); return 0; } @@ -4171,7 +4172,7 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd) return -EINVAL; } - buf = transport_kmap_first_data_page(cmd); + buf = transport_kmap_data_sg(cmd); buf[0] = ((su_dev->t10_pr.pr_generation >> 24) & 0xff); buf[1] = ((su_dev->t10_pr.pr_generation >> 16) & 0xff); @@ -4292,7 +4293,7 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd) buf[6] = ((add_len >> 8) & 0xff); buf[7] = (add_len & 0xff); - transport_kunmap_first_data_page(cmd); + transport_kunmap_data_sg(cmd); return 0; } diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index d35467d42e12da..8d4def30e9e80f 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -693,7 +693,7 @@ static int pscsi_transport_complete(struct se_task *task) if (task->task_se_cmd->se_deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY) { - unsigned char *buf = transport_kmap_first_data_page(task->task_se_cmd); + unsigned char *buf = transport_kmap_data_sg(task->task_se_cmd); if (cdb[0] == MODE_SENSE_10) { if (!(buf[3] & 0x80)) @@ -703,7 +703,7 @@ static int pscsi_transport_complete(struct se_task *task) buf[2] |= 0x80; } - transport_kunmap_first_data_page(task->task_se_cmd); + transport_kunmap_data_sg(task->task_se_cmd); } } after_mode_sense: diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index b7668029bb311d..06336ecd872df6 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -807,8 +807,7 @@ static void core_tpg_shutdown_lun( struct se_lun *core_tpg_pre_dellun( struct se_portal_group *tpg, - u32 unpacked_lun, - int *ret) + u32 unpacked_lun) { struct se_lun *lun; diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index d3ddd13619492d..58cea07b12fbca 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1255,32 +1255,34 @@ static void core_setup_task_attr_emulation(struct se_device *dev) static void scsi_dump_inquiry(struct se_device *dev) { struct t10_wwn *wwn = &dev->se_sub_dev->t10_wwn; + char buf[17]; int i, device_type; /* * Print Linux/SCSI style INQUIRY formatting to the kernel ring buffer */ - pr_debug(" Vendor: "); for (i = 0; i < 8; i++) if (wwn->vendor[i] >= 0x20) - pr_debug("%c", wwn->vendor[i]); + buf[i] = wwn->vendor[i]; else - pr_debug(" "); + buf[i] = ' '; + buf[i] = '\0'; + pr_debug(" Vendor: %s\n", buf); - pr_debug(" Model: "); for (i = 0; i < 16; i++) if (wwn->model[i] >= 0x20) - pr_debug("%c", wwn->model[i]); + buf[i] = wwn->model[i]; else - pr_debug(" "); + buf[i] = ' '; + buf[i] = '\0'; + pr_debug(" Model: %s\n", buf); - pr_debug(" Revision: "); for (i = 0; i < 4; i++) if (wwn->revision[i] >= 0x20) - pr_debug("%c", wwn->revision[i]); + buf[i] = wwn->revision[i]; else - pr_debug(" "); - - pr_debug("\n"); + buf[i] = ' '; + buf[i] = '\0'; + pr_debug(" Revision: %s\n", buf); device_type = dev->transport->get_device_type(dev); pr_debug(" Type: %s ", scsi_device_type(device_type)); @@ -1655,7 +1657,7 @@ EXPORT_SYMBOL(transport_handle_cdb_direct); * This may only be called from process context, and also currently * assumes internal allocation of fabric payload buffer by target-core. **/ -int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess, +void target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess, unsigned char *cdb, unsigned char *sense, u32 unpacked_lun, u32 data_length, int task_attr, int data_dir, int flags) { @@ -1688,15 +1690,21 @@ int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess, /* * Locate se_lun pointer and attach it to struct se_cmd */ - if (transport_lookup_cmd_lun(se_cmd, unpacked_lun) < 0) - goto out_check_cond; + if (transport_lookup_cmd_lun(se_cmd, unpacked_lun) < 0) { + transport_send_check_condition_and_sense(se_cmd, + se_cmd->scsi_sense_reason, 0); + target_put_sess_cmd(se_sess, se_cmd); + return; + } /* * Sanitize CDBs via transport_generic_cmd_sequencer() and * allocate the necessary tasks to complete the received CDB+data */ rc = transport_generic_allocate_tasks(se_cmd, cdb); - if (rc != 0) - goto out_check_cond; + if (rc != 0) { + transport_generic_request_failure(se_cmd); + return; + } /* * Dispatch se_cmd descriptor to se_lun->lun_se_dev backend * for immediate execution of READs, otherwise wait for @@ -1704,12 +1712,7 @@ int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess, * when fabric has filled the incoming buffer. */ transport_handle_cdb_direct(se_cmd); - return 0; - -out_check_cond: - transport_send_check_condition_and_sense(se_cmd, - se_cmd->scsi_sense_reason, 0); - return 0; + return; } EXPORT_SYMBOL(target_submit_cmd); @@ -2694,7 +2697,7 @@ static int transport_generic_cmd_sequencer( cmd->se_cmd_flags |= SCF_SCSI_CONTROL_SG_IO_CDB; if (target_check_write_same_discard(&cdb[10], dev) < 0) - goto out_invalid_cdb_field; + goto out_unsupported_cdb; if (!passthrough) cmd->execute_task = target_emulate_write_same; break; @@ -2977,7 +2980,7 @@ static int transport_generic_cmd_sequencer( cmd->se_cmd_flags |= SCF_SCSI_CONTROL_SG_IO_CDB; if (target_check_write_same_discard(&cdb[1], dev) < 0) - goto out_invalid_cdb_field; + goto out_unsupported_cdb; if (!passthrough) cmd->execute_task = target_emulate_write_same; break; @@ -3000,7 +3003,7 @@ static int transport_generic_cmd_sequencer( * of byte 1 bit 3 UNMAP instead of original reserved field */ if (target_check_write_same_discard(&cdb[1], dev) < 0) - goto out_invalid_cdb_field; + goto out_unsupported_cdb; if (!passthrough) cmd->execute_task = target_emulate_write_same; break; @@ -3082,11 +3085,6 @@ static int transport_generic_cmd_sequencer( (cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB))) goto out_unsupported_cdb; - /* Let's limit control cdbs to a page, for simplicity's sake. */ - if ((cmd->se_cmd_flags & SCF_SCSI_CONTROL_SG_IO_CDB) && - size > PAGE_SIZE) - goto out_invalid_cdb_field; - transport_set_supported_SAM_opcode(cmd); return ret; @@ -3490,9 +3488,11 @@ int transport_generic_map_mem_to_cmd( } EXPORT_SYMBOL(transport_generic_map_mem_to_cmd); -void *transport_kmap_first_data_page(struct se_cmd *cmd) +void *transport_kmap_data_sg(struct se_cmd *cmd) { struct scatterlist *sg = cmd->t_data_sg; + struct page **pages; + int i; BUG_ON(!sg); /* @@ -3500,15 +3500,41 @@ void *transport_kmap_first_data_page(struct se_cmd *cmd) * tcm_loop who may be using a contig buffer from the SCSI midlayer for * control CDBs passed as SGLs via transport_generic_map_mem_to_cmd() */ - return kmap(sg_page(sg)) + sg->offset; + if (!cmd->t_data_nents) + return NULL; + else if (cmd->t_data_nents == 1) + return kmap(sg_page(sg)) + sg->offset; + + /* >1 page. use vmap */ + pages = kmalloc(sizeof(*pages) * cmd->t_data_nents, GFP_KERNEL); + if (!pages) + return NULL; + + /* convert sg[] to pages[] */ + for_each_sg(cmd->t_data_sg, sg, cmd->t_data_nents, i) { + pages[i] = sg_page(sg); + } + + cmd->t_data_vmap = vmap(pages, cmd->t_data_nents, VM_MAP, PAGE_KERNEL); + kfree(pages); + if (!cmd->t_data_vmap) + return NULL; + + return cmd->t_data_vmap + cmd->t_data_sg[0].offset; } -EXPORT_SYMBOL(transport_kmap_first_data_page); +EXPORT_SYMBOL(transport_kmap_data_sg); -void transport_kunmap_first_data_page(struct se_cmd *cmd) +void transport_kunmap_data_sg(struct se_cmd *cmd) { - kunmap(sg_page(cmd->t_data_sg)); + if (!cmd->t_data_nents) + return; + else if (cmd->t_data_nents == 1) + kunmap(sg_page(cmd->t_data_sg)); + + vunmap(cmd->t_data_vmap); + cmd->t_data_vmap = NULL; } -EXPORT_SYMBOL(transport_kunmap_first_data_page); +EXPORT_SYMBOL(transport_kunmap_data_sg); static int transport_generic_get_mem(struct se_cmd *cmd) @@ -3516,6 +3542,7 @@ transport_generic_get_mem(struct se_cmd *cmd) u32 length = cmd->data_length; unsigned int nents; struct page *page; + gfp_t zero_flag; int i = 0; nents = DIV_ROUND_UP(length, PAGE_SIZE); @@ -3526,9 +3553,11 @@ transport_generic_get_mem(struct se_cmd *cmd) cmd->t_data_nents = nents; sg_init_table(cmd->t_data_sg, nents); + zero_flag = cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB ? 0 : __GFP_ZERO; + while (length) { u32 page_len = min_t(u32, length, PAGE_SIZE); - page = alloc_page(GFP_KERNEL | __GFP_ZERO); + page = alloc_page(GFP_KERNEL | zero_flag); if (!page) goto out; @@ -3756,6 +3785,11 @@ transport_allocate_control_task(struct se_cmd *cmd) struct se_task *task; unsigned long flags; + /* Workaround for handling zero-length control CDBs */ + if ((cmd->se_cmd_flags & SCF_SCSI_CONTROL_SG_IO_CDB) && + !cmd->data_length) + return 0; + task = transport_generic_get_task(cmd, cmd->data_direction); if (!task) return -ENOMEM; @@ -3827,6 +3861,14 @@ int transport_generic_new_cmd(struct se_cmd *cmd) else if (!task_cdbs && (cmd->se_cmd_flags & SCF_SCSI_DATA_SG_IO_CDB)) { cmd->t_state = TRANSPORT_COMPLETE; atomic_set(&cmd->t_transport_active, 1); + + if (cmd->t_task_cdb[0] == REQUEST_SENSE) { + u8 ua_asc = 0, ua_ascq = 0; + + core_scsi3_ua_clear_for_request_sense(cmd, + &ua_asc, &ua_ascq); + } + INIT_WORK(&cmd->work, target_complete_ok_work); queue_work(target_completion_wq, &cmd->work); return 0; @@ -4448,8 +4490,8 @@ int transport_send_check_condition_and_sense( /* CURRENT ERROR */ buffer[offset] = 0x70; buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; - /* ABORTED COMMAND */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND; + /* ILLEGAL REQUEST */ + buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; /* INVALID FIELD IN CDB */ buffer[offset+SPC_ASC_KEY_OFFSET] = 0x24; break; @@ -4457,8 +4499,8 @@ int transport_send_check_condition_and_sense( /* CURRENT ERROR */ buffer[offset] = 0x70; buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10; - /* ABORTED COMMAND */ - buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND; + /* ILLEGAL REQUEST */ + buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; /* INVALID FIELD IN PARAMETER LIST */ buffer[offset+SPC_ASC_KEY_OFFSET] = 0x26; break; diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c index addc18f727ea44..9e7e26c74c7944 100644 --- a/drivers/target/tcm_fc/tfc_cmd.c +++ b/drivers/target/tcm_fc/tfc_cmd.c @@ -540,7 +540,6 @@ static void ft_send_work(struct work_struct *work) int data_dir = 0; u32 data_len; int task_attr; - int ret; fcp = fc_frame_payload_get(cmd->req_frame, sizeof(*fcp)); if (!fcp) @@ -603,14 +602,10 @@ static void ft_send_work(struct work_struct *work) * Use a single se_cmd->cmd_kref as we expect to release se_cmd * directly from ft_check_stop_free callback in response path. */ - ret = target_submit_cmd(&cmd->se_cmd, cmd->sess->se_sess, cmd->cdb, + target_submit_cmd(&cmd->se_cmd, cmd->sess->se_sess, cmd->cdb, &cmd->ft_sense_buffer[0], cmd->lun, data_len, task_attr, data_dir, 0); - pr_debug("r_ctl %x alloc target_submit_cmd %d\n", fh->fh_r_ctl, ret); - if (ret < 0) { - ft_dump_cmd(cmd, __func__); - return; - } + pr_debug("r_ctl %x alloc target_submit_cmd\n", fh->fh_r_ctl); return; err: diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c index dd9a5743fa991f..220ce7e31cf50f 100644 --- a/drivers/thermal/thermal_sys.c +++ b/drivers/thermal/thermal_sys.c @@ -1304,7 +1304,7 @@ static struct genl_multicast_group thermal_event_mcgrp = { .name = THERMAL_GENL_MCAST_GROUP_NAME, }; -int generate_netlink_event(u32 orig, enum events event) +int thermal_generate_netlink_event(u32 orig, enum events event) { struct sk_buff *skb; struct nlattr *attr; @@ -1363,7 +1363,7 @@ int generate_netlink_event(u32 orig, enum events event) return result; } -EXPORT_SYMBOL(generate_netlink_event); +EXPORT_SYMBOL(thermal_generate_netlink_event); static int genetlink_init(void) { diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250/8250.c index 9f50c4e3c2bea4..9b7336fcfbb383 100644 --- a/drivers/tty/serial/8250.c +++ b/drivers/tty/serial/8250/8250.c @@ -45,7 +45,7 @@ #include "8250.h" #ifdef CONFIG_SPARC -#include "suncore.h" +#include "../suncore.h" #endif /* diff --git a/drivers/tty/serial/8250.h b/drivers/tty/serial/8250/8250.h index ae027be57e2531..ae027be57e2531 100644 --- a/drivers/tty/serial/8250.h +++ b/drivers/tty/serial/8250/8250.h diff --git a/drivers/tty/serial/8250_accent.c b/drivers/tty/serial/8250/8250_accent.c index 34b51c651192e8..34b51c651192e8 100644 --- a/drivers/tty/serial/8250_accent.c +++ b/drivers/tty/serial/8250/8250_accent.c diff --git a/drivers/tty/serial/8250_acorn.c b/drivers/tty/serial/8250/8250_acorn.c index b0ce8c56f1a4dc..b0ce8c56f1a4dc 100644 --- a/drivers/tty/serial/8250_acorn.c +++ b/drivers/tty/serial/8250/8250_acorn.c diff --git a/drivers/tty/serial/8250_boca.c b/drivers/tty/serial/8250/8250_boca.c index d125dc107985b2..d125dc107985b2 100644 --- a/drivers/tty/serial/8250_boca.c +++ b/drivers/tty/serial/8250/8250_boca.c diff --git a/drivers/tty/serial/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index f574eef3075f98..f574eef3075f98 100644 --- a/drivers/tty/serial/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c diff --git a/drivers/tty/serial/8250_early.c b/drivers/tty/serial/8250/8250_early.c index eaafb98debed89..eaafb98debed89 100644 --- a/drivers/tty/serial/8250_early.c +++ b/drivers/tty/serial/8250/8250_early.c diff --git a/drivers/tty/serial/8250_exar_st16c554.c b/drivers/tty/serial/8250/8250_exar_st16c554.c index bf53aabf9b5e34..bf53aabf9b5e34 100644 --- a/drivers/tty/serial/8250_exar_st16c554.c +++ b/drivers/tty/serial/8250/8250_exar_st16c554.c diff --git a/drivers/tty/serial/8250_fourport.c b/drivers/tty/serial/8250/8250_fourport.c index be1582609626b4..be1582609626b4 100644 --- a/drivers/tty/serial/8250_fourport.c +++ b/drivers/tty/serial/8250/8250_fourport.c diff --git a/drivers/tty/serial/8250_fsl.c b/drivers/tty/serial/8250/8250_fsl.c index f4d3c47b88e873..f4d3c47b88e873 100644 --- a/drivers/tty/serial/8250_fsl.c +++ b/drivers/tty/serial/8250/8250_fsl.c diff --git a/drivers/tty/serial/8250_gsc.c b/drivers/tty/serial/8250/8250_gsc.c index d8c0ffbfa6e39b..d8c0ffbfa6e39b 100644 --- a/drivers/tty/serial/8250_gsc.c +++ b/drivers/tty/serial/8250/8250_gsc.c diff --git a/drivers/tty/serial/8250_hp300.c b/drivers/tty/serial/8250/8250_hp300.c index c13438c930129a..c13438c930129a 100644 --- a/drivers/tty/serial/8250_hp300.c +++ b/drivers/tty/serial/8250/8250_hp300.c diff --git a/drivers/tty/serial/8250_hub6.c b/drivers/tty/serial/8250/8250_hub6.c index a5c778e83de054..a5c778e83de054 100644 --- a/drivers/tty/serial/8250_hub6.c +++ b/drivers/tty/serial/8250/8250_hub6.c diff --git a/drivers/tty/serial/8250_mca.c b/drivers/tty/serial/8250/8250_mca.c index d20abf04541e5f..d20abf04541e5f 100644 --- a/drivers/tty/serial/8250_mca.c +++ b/drivers/tty/serial/8250/8250_mca.c diff --git a/drivers/tty/serial/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index da2b0b0a183fff..da2b0b0a183fff 100644 --- a/drivers/tty/serial/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c diff --git a/drivers/tty/serial/8250_pnp.c b/drivers/tty/serial/8250/8250_pnp.c index a2f236510ff1cd..a2f236510ff1cd 100644 --- a/drivers/tty/serial/8250_pnp.c +++ b/drivers/tty/serial/8250/8250_pnp.c diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig new file mode 100644 index 00000000000000..591f8018e7dd1e --- /dev/null +++ b/drivers/tty/serial/8250/Kconfig @@ -0,0 +1,280 @@ +# +# The 8250/16550 serial drivers. You shouldn't be in this list unless +# you somehow have an implicit or explicit dependency on SERIAL_8250. +# + +config SERIAL_8250 + tristate "8250/16550 and compatible serial support" + select SERIAL_CORE + ---help--- + This selects whether you want to include the driver for the standard + serial ports. The standard answer is Y. People who might say N + here are those that are setting up dedicated Ethernet WWW/FTP + servers, or users that have one of the various bus mice instead of a + serial mouse and don't intend to use their machine's standard serial + port for anything. (Note that the Cyclades and Stallion multi + serial port drivers do not need this driver built in for them to + work.) + + To compile this driver as a module, choose M here: the + module will be called 8250. + [WARNING: Do not compile this driver as a module if you are using + non-standard serial ports, since the configuration information will + be lost when the driver is unloaded. This limitation may be lifted + in the future.] + + BTW1: If you have a mouseman serial mouse which is not recognized by + the X window system, try running gpm first. + + BTW2: If you intend to use a software modem (also called Winmodem) + under Linux, forget it. These modems are crippled and require + proprietary drivers which are only available under Windows. + + Most people will say Y or M here, so that they can use serial mice, + modems and similar devices connecting to the standard serial ports. + +config SERIAL_8250_CONSOLE + bool "Console on 8250/16550 and compatible serial port" + depends on SERIAL_8250=y + select SERIAL_CORE_CONSOLE + ---help--- + If you say Y here, it will be possible to use a serial port as the + system console (the system console is the device which receives all + kernel messages and warnings and which allows logins in single user + mode). This could be useful if some terminal or printer is connected + to that serial port. + + Even if you say Y here, the currently visible virtual console + (/dev/tty0) will still be used as the system console by default, but + you can alter that using a kernel command line option such as + "console=ttyS1". (Try "man bootparam" or see the documentation of + your boot loader (grub or lilo or loadlin) about how to pass options + to the kernel at boot time.) + + If you don't have a VGA card installed and you say Y here, the + kernel will automatically use the first serial line, /dev/ttyS0, as + system console. + + You can set that using a kernel command line option such as + "console=uart8250,io,0x3f8,9600n8" + "console=uart8250,mmio,0xff5e0000,115200n8". + and it will switch to normal serial console when the corresponding + port is ready. + "earlycon=uart8250,io,0x3f8,9600n8" + "earlycon=uart8250,mmio,0xff5e0000,115200n8". + it will not only setup early console. + + If unsure, say N. + +config FIX_EARLYCON_MEM + bool + depends on X86 + default y + +config SERIAL_8250_GSC + tristate + depends on SERIAL_8250 && GSC + default SERIAL_8250 + +config SERIAL_8250_PCI + tristate "8250/16550 PCI device support" if EXPERT + depends on SERIAL_8250 && PCI + default SERIAL_8250 + help + This builds standard PCI serial support. You may be able to + disable this feature if you only need legacy serial support. + Saves about 9K. + +config SERIAL_8250_PNP + tristate "8250/16550 PNP device support" if EXPERT + depends on SERIAL_8250 && PNP + default SERIAL_8250 + help + This builds standard PNP serial support. You may be able to + disable this feature if you only need legacy serial support. + +config SERIAL_8250_HP300 + tristate + depends on SERIAL_8250 && HP300 + default SERIAL_8250 + +config SERIAL_8250_CS + tristate "8250/16550 PCMCIA device support" + depends on PCMCIA && SERIAL_8250 + ---help--- + Say Y here to enable support for 16-bit PCMCIA serial devices, + including serial port cards, modems, and the modem functions of + multi-function Ethernet/modem cards. (PCMCIA- or PC-cards are + credit-card size devices often used with laptops.) + + To compile this driver as a module, choose M here: the + module will be called serial_cs. + + If unsure, say N. + +config SERIAL_8250_NR_UARTS + int "Maximum number of 8250/16550 serial ports" + depends on SERIAL_8250 + default "4" + help + Set this to the number of serial ports you want the driver + to support. This includes any ports discovered via ACPI or + PCI enumeration and any ports that may be added at run-time + via hot-plug, or any ISA multi-port serial cards. + +config SERIAL_8250_RUNTIME_UARTS + int "Number of 8250/16550 serial ports to register at runtime" + depends on SERIAL_8250 + range 0 SERIAL_8250_NR_UARTS + default "4" + help + Set this to the maximum number of serial ports you want + the kernel to register at boot time. This can be overridden + with the module parameter "nr_uarts", or boot-time parameter + 8250.nr_uarts + +config SERIAL_8250_EXTENDED + bool "Extended 8250/16550 serial driver options" + depends on SERIAL_8250 + help + If you wish to use any non-standard features of the standard "dumb" + driver, say Y here. This includes HUB6 support, shared serial + interrupts, special multiport support, support for more than the + four COM 1/2/3/4 boards, etc. + + Note that the answer to this question won't directly affect the + kernel: saying N will just cause the configurator to skip all + the questions about serial driver options. If unsure, say N. + +config SERIAL_8250_MANY_PORTS + bool "Support more than 4 legacy serial ports" + depends on SERIAL_8250_EXTENDED && !IA64 + help + Say Y here if you have dumb serial boards other than the four + standard COM 1/2/3/4 ports. This may happen if you have an AST + FourPort, Accent Async, Boca (read the Boca mini-HOWTO, available + from <http://www.tldp.org/docs.html#howto>), or other custom + serial port hardware which acts similar to standard serial port + hardware. If you only use the standard COM 1/2/3/4 ports, you can + say N here to save some memory. You can also say Y if you have an + "intelligent" multiport card such as Cyclades, Digiboards, etc. + +# +# Multi-port serial cards +# + +config SERIAL_8250_FOURPORT + tristate "Support Fourport cards" + depends on SERIAL_8250 != n && ISA && SERIAL_8250_MANY_PORTS + help + Say Y here if you have an AST FourPort serial board. + + To compile this driver as a module, choose M here: the module + will be called 8250_fourport. + +config SERIAL_8250_ACCENT + tristate "Support Accent cards" + depends on SERIAL_8250 != n && ISA && SERIAL_8250_MANY_PORTS + help + Say Y here if you have an Accent Async serial board. + + To compile this driver as a module, choose M here: the module + will be called 8250_accent. + +config SERIAL_8250_BOCA + tristate "Support Boca cards" + depends on SERIAL_8250 != n && ISA && SERIAL_8250_MANY_PORTS + help + Say Y here if you have a Boca serial board. Please read the Boca + mini-HOWTO, available from <http://www.tldp.org/docs.html#howto> + + To compile this driver as a module, choose M here: the module + will be called 8250_boca. + +config SERIAL_8250_EXAR_ST16C554 + tristate "Support Exar ST16C554/554D Quad UART" + depends on SERIAL_8250 != n && ISA && SERIAL_8250_MANY_PORTS + help + The Uplogix Envoy TU301 uses this Exar Quad UART. If you are + tinkering with your Envoy TU301, or have a machine with this UART, + say Y here. + + To compile this driver as a module, choose M here: the module + will be called 8250_exar_st16c554. + +config SERIAL_8250_HUB6 + tristate "Support Hub6 cards" + depends on SERIAL_8250 != n && ISA && SERIAL_8250_MANY_PORTS + help + Say Y here if you have a HUB6 serial board. + + To compile this driver as a module, choose M here: the module + will be called 8250_hub6. + +# +# Misc. options/drivers. +# + +config SERIAL_8250_SHARE_IRQ + bool "Support for sharing serial interrupts" + depends on SERIAL_8250_EXTENDED + help + Some serial boards have hardware support which allows multiple dumb + serial ports on the same board to share a single IRQ. To enable + support for this in the serial driver, say Y here. + +config SERIAL_8250_DETECT_IRQ + bool "Autodetect IRQ on standard ports (unsafe)" + depends on SERIAL_8250_EXTENDED + help + Say Y here if you want the kernel to try to guess which IRQ + to use for your serial port. + + This is considered unsafe; it is far better to configure the IRQ in + a boot script using the setserial command. + + If unsure, say N. + +config SERIAL_8250_RSA + bool "Support RSA serial ports" + depends on SERIAL_8250_EXTENDED + help + ::: To be written ::: + +config SERIAL_8250_MCA + tristate "Support 8250-type ports on MCA buses" + depends on SERIAL_8250 != n && MCA + help + Say Y here if you have a MCA serial ports. + + To compile this driver as a module, choose M here: the module + will be called 8250_mca. + +config SERIAL_8250_ACORN + tristate "Acorn expansion card serial port support" + depends on ARCH_ACORN && SERIAL_8250 + help + If you have an Atomwide Serial card or Serial Port card for an Acorn + system, say Y to this option. The driver can handle 1, 2, or 3 port + cards. If unsure, say N. + +config SERIAL_8250_RM9K + bool "Support for MIPS RM9xxx integrated serial port" + depends on SERIAL_8250 != n && SERIAL_RM9000 + select SERIAL_8250_SHARE_IRQ + help + Selecting this option will add support for the integrated serial + port hardware found on MIPS RM9122 and similar processors. + If unsure, say N. + +config SERIAL_8250_FSL + bool + depends on SERIAL_8250_CONSOLE && PPC_UDBG_16550 + default PPC + +config SERIAL_8250_DW + tristate "Support for Synopsys DesignWare 8250 quirks" + depends on SERIAL_8250 && OF + help + Selecting this option will enable handling of the extra features + present in the Synopsys DesignWare APB UART. diff --git a/drivers/tty/serial/8250/Makefile b/drivers/tty/serial/8250/Makefile new file mode 100644 index 00000000000000..867bba73890894 --- /dev/null +++ b/drivers/tty/serial/8250/Makefile @@ -0,0 +1,20 @@ +# +# Makefile for the 8250 serial device drivers. +# + +obj-$(CONFIG_SERIAL_8250) += 8250.o +obj-$(CONFIG_SERIAL_8250_PNP) += 8250_pnp.o +obj-$(CONFIG_SERIAL_8250_GSC) += 8250_gsc.o +obj-$(CONFIG_SERIAL_8250_PCI) += 8250_pci.o +obj-$(CONFIG_SERIAL_8250_HP300) += 8250_hp300.o +obj-$(CONFIG_SERIAL_8250_CS) += serial_cs.o +obj-$(CONFIG_SERIAL_8250_ACORN) += 8250_acorn.o +obj-$(CONFIG_SERIAL_8250_CONSOLE) += 8250_early.o +obj-$(CONFIG_SERIAL_8250_FOURPORT) += 8250_fourport.o +obj-$(CONFIG_SERIAL_8250_ACCENT) += 8250_accent.o +obj-$(CONFIG_SERIAL_8250_BOCA) += 8250_boca.o +obj-$(CONFIG_SERIAL_8250_EXAR_ST16C554) += 8250_exar_st16c554.o +obj-$(CONFIG_SERIAL_8250_HUB6) += 8250_hub6.o +obj-$(CONFIG_SERIAL_8250_MCA) += 8250_mca.o +obj-$(CONFIG_SERIAL_8250_FSL) += 8250_fsl.o +obj-$(CONFIG_SERIAL_8250_DW) += 8250_dw.o diff --git a/drivers/tty/serial/serial_cs.c b/drivers/tty/serial/8250/serial_cs.c index 86090605a84ee5..86090605a84ee5 100644 --- a/drivers/tty/serial/serial_cs.c +++ b/drivers/tty/serial/8250/serial_cs.c diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index aca2386c5ef102..2de99248dfaee0 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -5,279 +5,7 @@ menu "Serial drivers" depends on HAS_IOMEM -# -# The new 8250/16550 serial drivers -config SERIAL_8250 - tristate "8250/16550 and compatible serial support" - select SERIAL_CORE - ---help--- - This selects whether you want to include the driver for the standard - serial ports. The standard answer is Y. People who might say N - here are those that are setting up dedicated Ethernet WWW/FTP - servers, or users that have one of the various bus mice instead of a - serial mouse and don't intend to use their machine's standard serial - port for anything. (Note that the Cyclades and Stallion multi - serial port drivers do not need this driver built in for them to - work.) - - To compile this driver as a module, choose M here: the - module will be called 8250. - [WARNING: Do not compile this driver as a module if you are using - non-standard serial ports, since the configuration information will - be lost when the driver is unloaded. This limitation may be lifted - in the future.] - - BTW1: If you have a mouseman serial mouse which is not recognized by - the X window system, try running gpm first. - - BTW2: If you intend to use a software modem (also called Winmodem) - under Linux, forget it. These modems are crippled and require - proprietary drivers which are only available under Windows. - - Most people will say Y or M here, so that they can use serial mice, - modems and similar devices connecting to the standard serial ports. - -config SERIAL_8250_CONSOLE - bool "Console on 8250/16550 and compatible serial port" - depends on SERIAL_8250=y - select SERIAL_CORE_CONSOLE - ---help--- - If you say Y here, it will be possible to use a serial port as the - system console (the system console is the device which receives all - kernel messages and warnings and which allows logins in single user - mode). This could be useful if some terminal or printer is connected - to that serial port. - - Even if you say Y here, the currently visible virtual console - (/dev/tty0) will still be used as the system console by default, but - you can alter that using a kernel command line option such as - "console=ttyS1". (Try "man bootparam" or see the documentation of - your boot loader (grub or lilo or loadlin) about how to pass options - to the kernel at boot time.) - - If you don't have a VGA card installed and you say Y here, the - kernel will automatically use the first serial line, /dev/ttyS0, as - system console. - - You can set that using a kernel command line option such as - "console=uart8250,io,0x3f8,9600n8" - "console=uart8250,mmio,0xff5e0000,115200n8". - and it will switch to normal serial console when the corresponding - port is ready. - "earlycon=uart8250,io,0x3f8,9600n8" - "earlycon=uart8250,mmio,0xff5e0000,115200n8". - it will not only setup early console. - - If unsure, say N. - -config FIX_EARLYCON_MEM - bool - depends on X86 - default y - -config SERIAL_8250_GSC - tristate - depends on SERIAL_8250 && GSC - default SERIAL_8250 - -config SERIAL_8250_PCI - tristate "8250/16550 PCI device support" if EXPERT - depends on SERIAL_8250 && PCI - default SERIAL_8250 - help - This builds standard PCI serial support. You may be able to - disable this feature if you only need legacy serial support. - Saves about 9K. - -config SERIAL_8250_PNP - tristate "8250/16550 PNP device support" if EXPERT - depends on SERIAL_8250 && PNP - default SERIAL_8250 - help - This builds standard PNP serial support. You may be able to - disable this feature if you only need legacy serial support. - -config SERIAL_8250_FSL - bool - depends on SERIAL_8250_CONSOLE && PPC_UDBG_16550 - default PPC - -config SERIAL_8250_HP300 - tristate - depends on SERIAL_8250 && HP300 - default SERIAL_8250 - -config SERIAL_8250_CS - tristate "8250/16550 PCMCIA device support" - depends on PCMCIA && SERIAL_8250 - ---help--- - Say Y here to enable support for 16-bit PCMCIA serial devices, - including serial port cards, modems, and the modem functions of - multi-function Ethernet/modem cards. (PCMCIA- or PC-cards are - credit-card size devices often used with laptops.) - - To compile this driver as a module, choose M here: the - module will be called serial_cs. - - If unsure, say N. - -config SERIAL_8250_NR_UARTS - int "Maximum number of 8250/16550 serial ports" - depends on SERIAL_8250 - default "4" - help - Set this to the number of serial ports you want the driver - to support. This includes any ports discovered via ACPI or - PCI enumeration and any ports that may be added at run-time - via hot-plug, or any ISA multi-port serial cards. - -config SERIAL_8250_RUNTIME_UARTS - int "Number of 8250/16550 serial ports to register at runtime" - depends on SERIAL_8250 - range 0 SERIAL_8250_NR_UARTS - default "4" - help - Set this to the maximum number of serial ports you want - the kernel to register at boot time. This can be overridden - with the module parameter "nr_uarts", or boot-time parameter - 8250.nr_uarts - -config SERIAL_8250_EXTENDED - bool "Extended 8250/16550 serial driver options" - depends on SERIAL_8250 - help - If you wish to use any non-standard features of the standard "dumb" - driver, say Y here. This includes HUB6 support, shared serial - interrupts, special multiport support, support for more than the - four COM 1/2/3/4 boards, etc. - - Note that the answer to this question won't directly affect the - kernel: saying N will just cause the configurator to skip all - the questions about serial driver options. If unsure, say N. - -config SERIAL_8250_MANY_PORTS - bool "Support more than 4 legacy serial ports" - depends on SERIAL_8250_EXTENDED && !IA64 - help - Say Y here if you have dumb serial boards other than the four - standard COM 1/2/3/4 ports. This may happen if you have an AST - FourPort, Accent Async, Boca (read the Boca mini-HOWTO, available - from <http://www.tldp.org/docs.html#howto>), or other custom - serial port hardware which acts similar to standard serial port - hardware. If you only use the standard COM 1/2/3/4 ports, you can - say N here to save some memory. You can also say Y if you have an - "intelligent" multiport card such as Cyclades, Digiboards, etc. - -# -# Multi-port serial cards -# - -config SERIAL_8250_FOURPORT - tristate "Support Fourport cards" - depends on SERIAL_8250 != n && ISA && SERIAL_8250_MANY_PORTS - help - Say Y here if you have an AST FourPort serial board. - - To compile this driver as a module, choose M here: the module - will be called 8250_fourport. - -config SERIAL_8250_ACCENT - tristate "Support Accent cards" - depends on SERIAL_8250 != n && ISA && SERIAL_8250_MANY_PORTS - help - Say Y here if you have an Accent Async serial board. - - To compile this driver as a module, choose M here: the module - will be called 8250_accent. - -config SERIAL_8250_BOCA - tristate "Support Boca cards" - depends on SERIAL_8250 != n && ISA && SERIAL_8250_MANY_PORTS - help - Say Y here if you have a Boca serial board. Please read the Boca - mini-HOWTO, available from <http://www.tldp.org/docs.html#howto> - - To compile this driver as a module, choose M here: the module - will be called 8250_boca. - -config SERIAL_8250_EXAR_ST16C554 - tristate "Support Exar ST16C554/554D Quad UART" - depends on SERIAL_8250 != n && ISA && SERIAL_8250_MANY_PORTS - help - The Uplogix Envoy TU301 uses this Exar Quad UART. If you are - tinkering with your Envoy TU301, or have a machine with this UART, - say Y here. - - To compile this driver as a module, choose M here: the module - will be called 8250_exar_st16c554. - -config SERIAL_8250_HUB6 - tristate "Support Hub6 cards" - depends on SERIAL_8250 != n && ISA && SERIAL_8250_MANY_PORTS - help - Say Y here if you have a HUB6 serial board. - - To compile this driver as a module, choose M here: the module - will be called 8250_hub6. - -config SERIAL_8250_SHARE_IRQ - bool "Support for sharing serial interrupts" - depends on SERIAL_8250_EXTENDED - help - Some serial boards have hardware support which allows multiple dumb - serial ports on the same board to share a single IRQ. To enable - support for this in the serial driver, say Y here. - -config SERIAL_8250_DETECT_IRQ - bool "Autodetect IRQ on standard ports (unsafe)" - depends on SERIAL_8250_EXTENDED - help - Say Y here if you want the kernel to try to guess which IRQ - to use for your serial port. - - This is considered unsafe; it is far better to configure the IRQ in - a boot script using the setserial command. - - If unsure, say N. - -config SERIAL_8250_RSA - bool "Support RSA serial ports" - depends on SERIAL_8250_EXTENDED - help - ::: To be written ::: - -config SERIAL_8250_MCA - tristate "Support 8250-type ports on MCA buses" - depends on SERIAL_8250 != n && MCA - help - Say Y here if you have a MCA serial ports. - - To compile this driver as a module, choose M here: the module - will be called 8250_mca. - -config SERIAL_8250_ACORN - tristate "Acorn expansion card serial port support" - depends on ARCH_ACORN && SERIAL_8250 - help - If you have an Atomwide Serial card or Serial Port card for an Acorn - system, say Y to this option. The driver can handle 1, 2, or 3 port - cards. If unsure, say N. - -config SERIAL_8250_RM9K - bool "Support for MIPS RM9xxx integrated serial port" - depends on SERIAL_8250 != n && SERIAL_RM9000 - select SERIAL_8250_SHARE_IRQ - help - Selecting this option will add support for the integrated serial - port hardware found on MIPS RM9122 and similar processors. - If unsure, say N. - -config SERIAL_8250_DW - tristate "Support for Synopsys DesignWare 8250 quirks" - depends on SERIAL_8250 && OF - help - Selecting this option will enable handling of the extra features - present in the Synopsys DesignWare APB UART. +source "drivers/tty/serial/8250/Kconfig" comment "Non-8250 serial port support" @@ -536,15 +264,6 @@ config SERIAL_MAX3107 help MAX3107 chip support -config SERIAL_MAX3107_AAVA - tristate "MAX3107 AAVA platform support" - depends on X86_MRST && SERIAL_MAX3107 && GPIOLIB - select SERIAL_CORE - help - Support for the MAX3107 chip configuration found on the AAVA - platform. Includes the extra initialisation and GPIO support - neded for this device. - config SERIAL_DZ bool "DECstation DZ serial driver" depends on MACH_DECSTATION && 32BIT diff --git a/drivers/tty/serial/Makefile b/drivers/tty/serial/Makefile index f5b01f2ce525da..fef32e10c8515a 100644 --- a/drivers/tty/serial/Makefile +++ b/drivers/tty/serial/Makefile @@ -14,22 +14,9 @@ obj-$(CONFIG_SERIAL_SUNZILOG) += sunzilog.o obj-$(CONFIG_SERIAL_SUNSU) += sunsu.o obj-$(CONFIG_SERIAL_SUNSAB) += sunsab.o -obj-$(CONFIG_SERIAL_8250) += 8250.o -obj-$(CONFIG_SERIAL_8250_PNP) += 8250_pnp.o -obj-$(CONFIG_SERIAL_8250_GSC) += 8250_gsc.o -obj-$(CONFIG_SERIAL_8250_PCI) += 8250_pci.o -obj-$(CONFIG_SERIAL_8250_HP300) += 8250_hp300.o -obj-$(CONFIG_SERIAL_8250_CS) += serial_cs.o -obj-$(CONFIG_SERIAL_8250_ACORN) += 8250_acorn.o -obj-$(CONFIG_SERIAL_8250_CONSOLE) += 8250_early.o -obj-$(CONFIG_SERIAL_8250_FOURPORT) += 8250_fourport.o -obj-$(CONFIG_SERIAL_8250_ACCENT) += 8250_accent.o -obj-$(CONFIG_SERIAL_8250_BOCA) += 8250_boca.o -obj-$(CONFIG_SERIAL_8250_EXAR_ST16C554) += 8250_exar_st16c554.o -obj-$(CONFIG_SERIAL_8250_HUB6) += 8250_hub6.o -obj-$(CONFIG_SERIAL_8250_MCA) += 8250_mca.o -obj-$(CONFIG_SERIAL_8250_FSL) += 8250_fsl.o -obj-$(CONFIG_SERIAL_8250_DW) += 8250_dw.o +# Now bring in any enabled 8250/16450/16550 type drivers. +obj-$(CONFIG_SERIAL_8250) += 8250/ + obj-$(CONFIG_SERIAL_AMBA_PL010) += amba-pl010.o obj-$(CONFIG_SERIAL_AMBA_PL011) += amba-pl011.o obj-$(CONFIG_SERIAL_CLPS711X) += clps711x.o @@ -42,7 +29,6 @@ obj-$(CONFIG_SERIAL_BFIN_SPORT) += bfin_sport_uart.o obj-$(CONFIG_SERIAL_SAMSUNG) += samsung.o obj-$(CONFIG_SERIAL_MAX3100) += max3100.o obj-$(CONFIG_SERIAL_MAX3107) += max3107.o -obj-$(CONFIG_SERIAL_MAX3107_AAVA) += max3107-aava.o obj-$(CONFIG_SERIAL_IP22_ZILOG) += ip22zilog.o obj-$(CONFIG_SERIAL_MUX) += mux.o obj-$(CONFIG_SERIAL_68328) += 68328serial.o diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 9ae024025ff356..6800f5f2624143 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -159,6 +159,7 @@ struct uart_amba_port { unsigned int fifosize; /* vendor-specific */ unsigned int lcrh_tx; /* vendor-specific */ unsigned int lcrh_rx; /* vendor-specific */ + unsigned int old_cr; /* state during shutdown */ bool autorts; char type[12]; bool interrupt_may_hang; /* vendor-specific */ @@ -1411,7 +1412,9 @@ static int pl011_startup(struct uart_port *port) while (readw(uap->port.membase + UART01x_FR) & UART01x_FR_BUSY) barrier(); - cr = UART01x_CR_UARTEN | UART011_CR_RXE | UART011_CR_TXE; + /* restore RTS and DTR */ + cr = uap->old_cr & (UART011_CR_RTS | UART011_CR_DTR); + cr |= UART01x_CR_UARTEN | UART011_CR_RXE | UART011_CR_TXE; writew(cr, uap->port.membase + UART011_CR); /* Clear pending error interrupts */ @@ -1469,6 +1472,7 @@ static void pl011_shutdown_channel(struct uart_amba_port *uap, static void pl011_shutdown(struct uart_port *port) { struct uart_amba_port *uap = (struct uart_amba_port *)port; + unsigned int cr; /* * disable all interrupts @@ -1488,9 +1492,16 @@ static void pl011_shutdown(struct uart_port *port) /* * disable the port + * disable the port. It should not disable RTS and DTR. + * Also RTS and DTR state should be preserved to restore + * it during startup(). */ uap->autorts = false; - writew(UART01x_CR_UARTEN | UART011_CR_TXE, uap->port.membase + UART011_CR); + cr = readw(uap->port.membase + UART011_CR); + uap->old_cr = cr; + cr &= UART011_CR_RTS | UART011_CR_DTR; + cr |= UART01x_CR_UARTEN | UART011_CR_TXE; + writew(cr, uap->port.membase + UART011_CR); /* * disable break condition and fifos @@ -1740,9 +1751,19 @@ pl011_console_write(struct console *co, const char *s, unsigned int count) { struct uart_amba_port *uap = amba_ports[co->index]; unsigned int status, old_cr, new_cr; + unsigned long flags; + int locked = 1; clk_enable(uap->clk); + local_irq_save(flags); + if (uap->port.sysrq) + locked = 0; + else if (oops_in_progress) + locked = spin_trylock(&uap->port.lock); + else + spin_lock(&uap->port.lock); + /* * First save the CR then disable the interrupts */ @@ -1762,6 +1783,10 @@ pl011_console_write(struct console *co, const char *s, unsigned int count) } while (status & UART01x_FR_BUSY); writew(old_cr, uap->port.membase + UART011_CR); + if (locked) + spin_unlock(&uap->port.lock); + local_irq_restore(flags); + clk_disable(uap->clk); } @@ -1905,6 +1930,7 @@ static int pl011_probe(struct amba_device *dev, const struct amba_id *id) uap->vendor = vendor; uap->lcrh_rx = vendor->lcrh_rx; uap->lcrh_tx = vendor->lcrh_tx; + uap->old_cr = 0; uap->fifosize = vendor->fifosize; uap->interrupt_may_hang = vendor->interrupt_may_hang; uap->port.dev = &dev->dev; diff --git a/drivers/tty/serial/jsm/jsm_driver.c b/drivers/tty/serial/jsm/jsm_driver.c index 7c867a046c9752..7545fe1b99257d 100644 --- a/drivers/tty/serial/jsm/jsm_driver.c +++ b/drivers/tty/serial/jsm/jsm_driver.c @@ -251,6 +251,7 @@ static void jsm_io_resume(struct pci_dev *pdev) struct jsm_board *brd = pci_get_drvdata(pdev); pci_restore_state(pdev); + pci_save_state(pdev); jsm_uart_port_init(brd); } diff --git a/drivers/tty/serial/max3107-aava.c b/drivers/tty/serial/max3107-aava.c deleted file mode 100644 index aae772a71de6ad..00000000000000 --- a/drivers/tty/serial/max3107-aava.c +++ /dev/null @@ -1,344 +0,0 @@ -/* - * max3107.c - spi uart protocol driver for Maxim 3107 - * Based on max3100.c - * by Christian Pellegrin <chripell@evolware.org> - * and max3110.c - * by Feng Tang <feng.tang@intel.com> - * - * Copyright (C) Aavamobile 2009 - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - */ - -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/serial_core.h> -#include <linux/serial.h> -#include <linux/spi/spi.h> -#include <linux/freezer.h> -#include <linux/platform_device.h> -#include <linux/gpio.h> -#include <linux/sfi.h> -#include <linux/module.h> -#include <asm/mrst.h> -#include "max3107.h" - -/* GPIO direction to input function */ -static int max3107_gpio_direction_in(struct gpio_chip *chip, unsigned offset) -{ - struct max3107_port *s = container_of(chip, struct max3107_port, chip); - u16 buf[1]; /* Buffer for SPI transfer */ - - if (offset >= MAX3107_GPIO_COUNT) { - dev_err(&s->spi->dev, "Invalid GPIO\n"); - return -EINVAL; - } - - /* Read current GPIO configuration register */ - buf[0] = MAX3107_GPIOCFG_REG; - /* Perform SPI transfer */ - if (max3107_rw(s, (u8 *)buf, (u8 *)buf, 2)) { - dev_err(&s->spi->dev, "SPI transfer GPIO read failed\n"); - return -EIO; - } - buf[0] &= MAX3107_SPI_RX_DATA_MASK; - - /* Set GPIO to input */ - buf[0] &= ~(0x0001 << offset); - - /* Write new GPIO configuration register value */ - buf[0] |= (MAX3107_WRITE_BIT | MAX3107_GPIOCFG_REG); - /* Perform SPI transfer */ - if (max3107_rw(s, (u8 *)buf, NULL, 2)) { - dev_err(&s->spi->dev, "SPI transfer GPIO write failed\n"); - return -EIO; - } - return 0; -} - -/* GPIO direction to output function */ -static int max3107_gpio_direction_out(struct gpio_chip *chip, unsigned offset, - int value) -{ - struct max3107_port *s = container_of(chip, struct max3107_port, chip); - u16 buf[2]; /* Buffer for SPI transfers */ - - if (offset >= MAX3107_GPIO_COUNT) { - dev_err(&s->spi->dev, "Invalid GPIO\n"); - return -EINVAL; - } - - /* Read current GPIO configuration and data registers */ - buf[0] = MAX3107_GPIOCFG_REG; - buf[1] = MAX3107_GPIODATA_REG; - /* Perform SPI transfer */ - if (max3107_rw(s, (u8 *)buf, (u8 *)buf, 4)) { - dev_err(&s->spi->dev, "SPI transfer gpio failed\n"); - return -EIO; - } - buf[0] &= MAX3107_SPI_RX_DATA_MASK; - buf[1] &= MAX3107_SPI_RX_DATA_MASK; - - /* Set GPIO to output */ - buf[0] |= (0x0001 << offset); - /* Set value */ - if (value) - buf[1] |= (0x0001 << offset); - else - buf[1] &= ~(0x0001 << offset); - - /* Write new GPIO configuration and data register values */ - buf[0] |= (MAX3107_WRITE_BIT | MAX3107_GPIOCFG_REG); - buf[1] |= (MAX3107_WRITE_BIT | MAX3107_GPIODATA_REG); - /* Perform SPI transfer */ - if (max3107_rw(s, (u8 *)buf, NULL, 4)) { - dev_err(&s->spi->dev, - "SPI transfer for GPIO conf data w failed\n"); - return -EIO; - } - return 0; -} - -/* GPIO value query function */ -static int max3107_gpio_get(struct gpio_chip *chip, unsigned offset) -{ - struct max3107_port *s = container_of(chip, struct max3107_port, chip); - u16 buf[1]; /* Buffer for SPI transfer */ - - if (offset >= MAX3107_GPIO_COUNT) { - dev_err(&s->spi->dev, "Invalid GPIO\n"); - return -EINVAL; - } - - /* Read current GPIO data register */ - buf[0] = MAX3107_GPIODATA_REG; - /* Perform SPI transfer */ - if (max3107_rw(s, (u8 *)buf, (u8 *)buf, 2)) { - dev_err(&s->spi->dev, "SPI transfer GPIO data r failed\n"); - return -EIO; - } - buf[0] &= MAX3107_SPI_RX_DATA_MASK; - - /* Return value */ - return buf[0] & (0x0001 << offset); -} - -/* GPIO value set function */ -static void max3107_gpio_set(struct gpio_chip *chip, unsigned offset, int value) -{ - struct max3107_port *s = container_of(chip, struct max3107_port, chip); - u16 buf[2]; /* Buffer for SPI transfers */ - - if (offset >= MAX3107_GPIO_COUNT) { - dev_err(&s->spi->dev, "Invalid GPIO\n"); - return; - } - - /* Read current GPIO configuration registers*/ - buf[0] = MAX3107_GPIODATA_REG; - buf[1] = MAX3107_GPIOCFG_REG; - /* Perform SPI transfer */ - if (max3107_rw(s, (u8 *)buf, (u8 *)buf, 4)) { - dev_err(&s->spi->dev, - "SPI transfer for GPIO data and config read failed\n"); - return; - } - buf[0] &= MAX3107_SPI_RX_DATA_MASK; - buf[1] &= MAX3107_SPI_RX_DATA_MASK; - - if (!(buf[1] & (0x0001 << offset))) { - /* Configured as input, can't set value */ - dev_warn(&s->spi->dev, - "Trying to set value for input GPIO\n"); - return; - } - - /* Set value */ - if (value) - buf[0] |= (0x0001 << offset); - else - buf[0] &= ~(0x0001 << offset); - - /* Write new GPIO data register value */ - buf[0] |= (MAX3107_WRITE_BIT | MAX3107_GPIODATA_REG); - /* Perform SPI transfer */ - if (max3107_rw(s, (u8 *)buf, NULL, 2)) - dev_err(&s->spi->dev, "SPI transfer GPIO data w failed\n"); -} - -/* GPIO chip data */ -static struct gpio_chip max3107_gpio_chip = { - .owner = THIS_MODULE, - .direction_input = max3107_gpio_direction_in, - .direction_output = max3107_gpio_direction_out, - .get = max3107_gpio_get, - .set = max3107_gpio_set, - .can_sleep = 1, - .base = MAX3107_GPIO_BASE, - .ngpio = MAX3107_GPIO_COUNT, -}; - -/** - * max3107_aava_reset - reset on AAVA systems - * @spi: The SPI device we are probing - * - * Reset the device ready for probing. - */ - -static int max3107_aava_reset(struct spi_device *spi) -{ - /* Reset the chip */ - if (gpio_request(MAX3107_RESET_GPIO, "max3107")) { - pr_err("Requesting RESET GPIO failed\n"); - return -EIO; - } - if (gpio_direction_output(MAX3107_RESET_GPIO, 0)) { - pr_err("Setting RESET GPIO to 0 failed\n"); - gpio_free(MAX3107_RESET_GPIO); - return -EIO; - } - msleep(MAX3107_RESET_DELAY); - if (gpio_direction_output(MAX3107_RESET_GPIO, 1)) { - pr_err("Setting RESET GPIO to 1 failed\n"); - gpio_free(MAX3107_RESET_GPIO); - return -EIO; - } - gpio_free(MAX3107_RESET_GPIO); - msleep(MAX3107_WAKEUP_DELAY); - return 0; -} - -static int max3107_aava_configure(struct max3107_port *s) -{ - int retval; - - /* Initialize GPIO chip data */ - s->chip = max3107_gpio_chip; - s->chip.label = s->spi->modalias; - s->chip.dev = &s->spi->dev; - - /* Add GPIO chip */ - retval = gpiochip_add(&s->chip); - if (retval) { - dev_err(&s->spi->dev, "Adding GPIO chip failed\n"); - return retval; - } - - /* Temporary fix for EV2 boot problems, set modem reset to 0 */ - max3107_gpio_direction_out(&s->chip, 3, 0); - return 0; -} - -#if 0 -/* This will get enabled once we have the board stuff merged for this - specific case */ - -static const struct baud_table brg13_ext[] = { - { 300, MAX3107_BRG13_B300 }, - { 600, MAX3107_BRG13_B600 }, - { 1200, MAX3107_BRG13_B1200 }, - { 2400, MAX3107_BRG13_B2400 }, - { 4800, MAX3107_BRG13_B4800 }, - { 9600, MAX3107_BRG13_B9600 }, - { 19200, MAX3107_BRG13_B19200 }, - { 57600, MAX3107_BRG13_B57600 }, - { 115200, MAX3107_BRG13_B115200 }, - { 230400, MAX3107_BRG13_B230400 }, - { 460800, MAX3107_BRG13_B460800 }, - { 921600, MAX3107_BRG13_B921600 }, - { 0, 0 } -}; - -static void max3107_aava_init(struct max3107_port *s) -{ - /*override for AAVA SC specific*/ - if (mrst_platform_id() == MRST_PLATFORM_AAVA_SC) { - if (get_koski_build_id() <= KOSKI_EV2) - if (s->ext_clk) { - s->brg_cfg = MAX3107_BRG13_B9600; - s->baud_tbl = (struct baud_table *)brg13_ext; - } - } -} -#endif - -static int __devexit max3107_aava_remove(struct spi_device *spi) -{ - struct max3107_port *s = dev_get_drvdata(&spi->dev); - - /* Remove GPIO chip */ - if (gpiochip_remove(&s->chip)) - dev_warn(&spi->dev, "Removing GPIO chip failed\n"); - - /* Then do the default remove */ - return max3107_remove(spi); -} - -/* Platform data */ -static struct max3107_plat aava_plat_data = { - .loopback = 0, - .ext_clk = 1, -/* .init = max3107_aava_init, */ - .configure = max3107_aava_configure, - .hw_suspend = max3107_hw_susp, - .polled_mode = 0, - .poll_time = 0, -}; - - -static int __devinit max3107_probe_aava(struct spi_device *spi) -{ - int err = max3107_aava_reset(spi); - if (err < 0) - return err; - return max3107_probe(spi, &aava_plat_data); -} - -/* Spi driver data */ -static struct spi_driver max3107_driver = { - .driver = { - .name = "aava-max3107", - .owner = THIS_MODULE, - }, - .probe = max3107_probe_aava, - .remove = __devexit_p(max3107_aava_remove), - .suspend = max3107_suspend, - .resume = max3107_resume, -}; - -/* Driver init function */ -static int __init max3107_init(void) -{ - return spi_register_driver(&max3107_driver); -} - -/* Driver exit function */ -static void __exit max3107_exit(void) -{ - spi_unregister_driver(&max3107_driver); -} - -module_init(max3107_init); -module_exit(max3107_exit); - -MODULE_DESCRIPTION("MAX3107 driver"); -MODULE_AUTHOR("Aavamobile"); -MODULE_ALIAS("spi:aava-max3107"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index d192dcbb82f5e4..f80904145fd4e3 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -46,6 +46,13 @@ #define DEFAULT_CLK_SPEED 48000000 /* 48Mhz*/ +/* SCR register bitmasks */ +#define OMAP_UART_SCR_RX_TRIG_GRANU1_MASK (1 << 7) + +/* FCR register bitmasks */ +#define OMAP_UART_FCR_RX_FIFO_TRIG_SHIFT 6 +#define OMAP_UART_FCR_RX_FIFO_TRIG_MASK (0x3 << 6) + static struct uart_omap_port *ui[OMAP_MAX_HSUART_PORTS]; /* Forward declaration of functions */ @@ -129,6 +136,7 @@ static void serial_omap_enable_ms(struct uart_port *port) static void serial_omap_stop_tx(struct uart_port *port) { struct uart_omap_port *up = (struct uart_omap_port *)port; + struct omap_uart_port_info *pdata = up->pdev->dev.platform_data; if (up->use_dma && up->uart_dma.tx_dma_channel != OMAP_UART_DMA_CH_FREE) { @@ -151,6 +159,9 @@ static void serial_omap_stop_tx(struct uart_port *port) serial_out(up, UART_IER, up->ier); } + if (!up->use_dma && pdata->set_forceidle) + pdata->set_forceidle(up->pdev); + pm_runtime_mark_last_busy(&up->pdev->dev); pm_runtime_put_autosuspend(&up->pdev->dev); } @@ -279,6 +290,7 @@ static inline void serial_omap_enable_ier_thri(struct uart_omap_port *up) static void serial_omap_start_tx(struct uart_port *port) { struct uart_omap_port *up = (struct uart_omap_port *)port; + struct omap_uart_port_info *pdata = up->pdev->dev.platform_data; struct circ_buf *xmit; unsigned int start; int ret = 0; @@ -286,6 +298,8 @@ static void serial_omap_start_tx(struct uart_port *port) if (!up->use_dma) { pm_runtime_get_sync(&up->pdev->dev); serial_omap_enable_ier_thri(up); + if (pdata->set_noidle) + pdata->set_noidle(up->pdev); pm_runtime_mark_last_busy(&up->pdev->dev); pm_runtime_put_autosuspend(&up->pdev->dev); return; @@ -726,8 +740,7 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios, quot = serial_omap_get_divisor(port, baud); /* calculate wakeup latency constraint */ - up->calc_latency = (1000000 * up->port.fifosize) / - (1000 * baud / 8); + up->calc_latency = (USEC_PER_SEC * up->port.fifosize) / (baud / 8); up->latency = up->calc_latency; schedule_work(&up->qos_work); @@ -811,14 +824,21 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios, up->mcr = serial_in(up, UART_MCR); serial_out(up, UART_MCR, up->mcr | UART_MCR_TCRTLR); /* FIFO ENABLE, DMA MODE */ - serial_out(up, UART_FCR, up->fcr); - serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B); + + up->scr |= OMAP_UART_SCR_RX_TRIG_GRANU1_MASK; if (up->use_dma) { serial_out(up, UART_TI752_TLR, 0); - up->scr |= (UART_FCR_TRIGGER_4 | UART_FCR_TRIGGER_8); + up->scr |= UART_FCR_TRIGGER_4; + } else { + /* Set receive FIFO threshold to 1 byte */ + up->fcr &= ~OMAP_UART_FCR_RX_FIFO_TRIG_MASK; + up->fcr |= (0x1 << OMAP_UART_FCR_RX_FIFO_TRIG_SHIFT); } + serial_out(up, UART_FCR, up->fcr); + serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B); + serial_out(up, UART_OMAP_SCR, up->scr); serial_out(up, UART_EFR, up->efr); @@ -1160,7 +1180,7 @@ static struct uart_driver serial_omap_reg = { .cons = OMAP_CONSOLE, }; -#ifdef CONFIG_SUSPEND +#ifdef CONFIG_PM_SLEEP static int serial_omap_suspend(struct device *dev) { struct uart_omap_port *up = dev_get_drvdata(dev); @@ -1521,6 +1541,7 @@ static void serial_omap_mdr1_errataset(struct uart_omap_port *up, u8 mdr1) } } +#ifdef CONFIG_PM_RUNTIME static void serial_omap_restore_context(struct uart_omap_port *up) { if (up->errata & UART_ERRATA_i202_MDR1_ACCESS) @@ -1550,7 +1571,6 @@ static void serial_omap_restore_context(struct uart_omap_port *up) serial_out(up, UART_OMAP_MDR1, up->mdr1); } -#ifdef CONFIG_PM_RUNTIME static int serial_omap_runtime_suspend(struct device *dev) { struct uart_omap_port *up = dev_get_drvdata(dev); diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index f96f37b5fec624..c55e5fb16fa326 100644 --- a/drivers/tty/serial/samsung.c +++ b/drivers/tty/serial/samsung.c @@ -1593,7 +1593,8 @@ static struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = { #define S5PV210_SERIAL_DRV_DATA (kernel_ulong_t)NULL #endif -#ifdef CONFIG_CPU_EXYNOS4210 +#if defined(CONFIG_CPU_EXYNOS4210) || defined(CONFIG_SOC_EXYNOS4212) || \ + defined(CONFIG_SOC_EXYNOS4412) || defined(CONFIG_SOC_EXYNOS5250) static struct s3c24xx_serial_drv_data exynos4210_serial_drv_data = { .info = &(struct s3c24xx_uart_info) { .name = "Samsung Exynos4 UART", diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index c7bf31a6a7e75f..13056180adf5ef 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2348,11 +2348,11 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *uport) */ tty_dev = tty_register_device(drv->tty_driver, uport->line, uport->dev); if (likely(!IS_ERR(tty_dev))) { - device_init_wakeup(tty_dev, 1); - device_set_wakeup_enable(tty_dev, 0); - } else + device_set_wakeup_capable(tty_dev, 1); + } else { printk(KERN_ERR "Cannot register tty device on line %d\n", uport->line); + } /* * Ensure UPF_DEAD is not set. diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index ef9dd628ba0b9f..bf6e238146ae40 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -227,7 +227,6 @@ int tty_port_block_til_ready(struct tty_port *port, int do_clocal = 0, retval; unsigned long flags; DEFINE_WAIT(wait); - int cd; /* block if port is in the process of being closed */ if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) { @@ -284,11 +283,14 @@ int tty_port_block_til_ready(struct tty_port *port, retval = -ERESTARTSYS; break; } - /* Probe the carrier. For devices with no carrier detect this - will always return true */ - cd = tty_port_carrier_raised(port); + /* + * Probe the carrier. For devices with no carrier detect + * tty_port_carrier_raised will always return true. + * Never ask drivers if CLOCAL is set, this causes troubles + * on some hardware. + */ if (!(port->flags & ASYNC_CLOSING) && - (do_clocal || cd)) + (do_clocal || tty_port_carrier_raised(port))) break; if (signal_pending(current)) { retval = -ERESTARTSYS; diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index 5e096f43bceace..65447c5f91d7e0 100644 --- a/drivers/tty/vt/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c @@ -1463,7 +1463,6 @@ compat_kdfontop_ioctl(struct compat_console_font_op __user *fontop, if (!perm && op->op != KD_FONT_OP_GET) return -EPERM; op->data = compat_ptr(((struct compat_console_font_op *)op)->data); - op->flags |= KD_FONT_FLAG_OLD; i = con_font_op(vc, op); if (i) return i; diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 1c50baff7725ec..d2b3cffca3f786 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -57,6 +57,8 @@ MODULE_DEVICE_TABLE (usb, wdm_ids); #define WDM_MAX 16 +/* CDC-WMC r1.1 requires wMaxCommand to be "at least 256 decimal (0x100)" */ +#define WDM_DEFAULT_BUFSIZE 256 static DEFINE_MUTEX(wdm_mutex); @@ -88,7 +90,8 @@ struct wdm_device { int count; dma_addr_t shandle; dma_addr_t ihandle; - struct mutex lock; + struct mutex wlock; + struct mutex rlock; wait_queue_head_t wait; struct work_struct rxwork; int werr; @@ -323,7 +326,7 @@ static ssize_t wdm_write } /* concurrent writes and disconnect */ - r = mutex_lock_interruptible(&desc->lock); + r = mutex_lock_interruptible(&desc->wlock); rv = -ERESTARTSYS; if (r) { kfree(buf); @@ -386,7 +389,7 @@ static ssize_t wdm_write out: usb_autopm_put_interface(desc->intf); outnp: - mutex_unlock(&desc->lock); + mutex_unlock(&desc->wlock); outnl: return rv < 0 ? rv : count; } @@ -399,7 +402,7 @@ static ssize_t wdm_read struct wdm_device *desc = file->private_data; - rv = mutex_lock_interruptible(&desc->lock); /*concurrent reads */ + rv = mutex_lock_interruptible(&desc->rlock); /*concurrent reads */ if (rv < 0) return -ERESTARTSYS; @@ -467,14 +470,16 @@ retry: for (i = 0; i < desc->length - cntr; i++) desc->ubuf[i] = desc->ubuf[i + cntr]; + spin_lock_irq(&desc->iuspin); desc->length -= cntr; + spin_unlock_irq(&desc->iuspin); /* in case we had outstanding data */ if (!desc->length) clear_bit(WDM_READ, &desc->flags); rv = cntr; err: - mutex_unlock(&desc->lock); + mutex_unlock(&desc->rlock); return rv; } @@ -540,7 +545,8 @@ static int wdm_open(struct inode *inode, struct file *file) } intf->needs_remote_wakeup = 1; - mutex_lock(&desc->lock); + /* using write lock to protect desc->count */ + mutex_lock(&desc->wlock); if (!desc->count++) { desc->werr = 0; desc->rerr = 0; @@ -553,7 +559,7 @@ static int wdm_open(struct inode *inode, struct file *file) } else { rv = 0; } - mutex_unlock(&desc->lock); + mutex_unlock(&desc->wlock); usb_autopm_put_interface(desc->intf); out: mutex_unlock(&wdm_mutex); @@ -565,9 +571,11 @@ static int wdm_release(struct inode *inode, struct file *file) struct wdm_device *desc = file->private_data; mutex_lock(&wdm_mutex); - mutex_lock(&desc->lock); + + /* using write lock to protect desc->count */ + mutex_lock(&desc->wlock); desc->count--; - mutex_unlock(&desc->lock); + mutex_unlock(&desc->wlock); if (!desc->count) { dev_dbg(&desc->intf->dev, "wdm_release: cleanup"); @@ -630,7 +638,7 @@ static int wdm_probe(struct usb_interface *intf, const struct usb_device_id *id) struct usb_cdc_dmm_desc *dmhd; u8 *buffer = intf->altsetting->extra; int buflen = intf->altsetting->extralen; - u16 maxcom = 0; + u16 maxcom = WDM_DEFAULT_BUFSIZE; if (!buffer) goto out; @@ -665,7 +673,8 @@ next_desc: desc = kzalloc(sizeof(struct wdm_device), GFP_KERNEL); if (!desc) goto out; - mutex_init(&desc->lock); + mutex_init(&desc->rlock); + mutex_init(&desc->wlock); spin_lock_init(&desc->iuspin); init_waitqueue_head(&desc->wait); desc->wMaxCommand = maxcom; @@ -716,7 +725,7 @@ next_desc: goto err; desc->inbuf = usb_alloc_coherent(interface_to_usbdev(intf), - desc->bMaxPacketSize0, + desc->wMaxCommand, GFP_KERNEL, &desc->response->transfer_dma); if (!desc->inbuf) @@ -779,11 +788,13 @@ static void wdm_disconnect(struct usb_interface *intf) /* to terminate pending flushes */ clear_bit(WDM_IN_USE, &desc->flags); spin_unlock_irqrestore(&desc->iuspin, flags); - mutex_lock(&desc->lock); + wake_up_all(&desc->wait); + mutex_lock(&desc->rlock); + mutex_lock(&desc->wlock); kill_urbs(desc); cancel_work_sync(&desc->rxwork); - mutex_unlock(&desc->lock); - wake_up_all(&desc->wait); + mutex_unlock(&desc->wlock); + mutex_unlock(&desc->rlock); if (!desc->count) cleanup(desc); mutex_unlock(&wdm_mutex); @@ -798,8 +809,10 @@ static int wdm_suspend(struct usb_interface *intf, pm_message_t message) dev_dbg(&desc->intf->dev, "wdm%d_suspend\n", intf->minor); /* if this is an autosuspend the caller does the locking */ - if (!PMSG_IS_AUTO(message)) - mutex_lock(&desc->lock); + if (!PMSG_IS_AUTO(message)) { + mutex_lock(&desc->rlock); + mutex_lock(&desc->wlock); + } spin_lock_irq(&desc->iuspin); if (PMSG_IS_AUTO(message) && @@ -815,8 +828,10 @@ static int wdm_suspend(struct usb_interface *intf, pm_message_t message) kill_urbs(desc); cancel_work_sync(&desc->rxwork); } - if (!PMSG_IS_AUTO(message)) - mutex_unlock(&desc->lock); + if (!PMSG_IS_AUTO(message)) { + mutex_unlock(&desc->wlock); + mutex_unlock(&desc->rlock); + } return rv; } @@ -854,7 +869,8 @@ static int wdm_pre_reset(struct usb_interface *intf) { struct wdm_device *desc = usb_get_intfdata(intf); - mutex_lock(&desc->lock); + mutex_lock(&desc->rlock); + mutex_lock(&desc->wlock); kill_urbs(desc); /* @@ -876,7 +892,8 @@ static int wdm_post_reset(struct usb_interface *intf) int rv; rv = recover_from_urb_loss(desc); - mutex_unlock(&desc->lock); + mutex_unlock(&desc->wlock); + mutex_unlock(&desc->rlock); return 0; } diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 2f51de57593a11..c8df1dd967efe3 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -126,7 +126,6 @@ static int __dwc3_gadget_ep0_queue(struct dwc3_ep *dep, struct dwc3_request *req) { struct dwc3 *dwc = dep->dwc; - u32 type; int ret = 0; req->request.actual = 0; @@ -149,20 +148,14 @@ static int __dwc3_gadget_ep0_queue(struct dwc3_ep *dep, direction = !!(dep->flags & DWC3_EP0_DIR_IN); - if (dwc->ep0state == EP0_STATUS_PHASE) { - type = dwc->three_stage_setup - ? DWC3_TRBCTL_CONTROL_STATUS3 - : DWC3_TRBCTL_CONTROL_STATUS2; - } else if (dwc->ep0state == EP0_DATA_PHASE) { - type = DWC3_TRBCTL_CONTROL_DATA; - } else { - /* should never happen */ - WARN_ON(1); + if (dwc->ep0state != EP0_DATA_PHASE) { + dev_WARN(dwc->dev, "Unexpected pending request\n"); return 0; } ret = dwc3_ep0_start_trans(dwc, direction, - req->request.dma, req->request.length, type); + req->request.dma, req->request.length, + DWC3_TRBCTL_CONTROL_DATA); dep->flags &= ~(DWC3_EP_PENDING_REQUEST | DWC3_EP0_DIR_IN); } else if (dwc->delayed_status) { diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index a696bde5322268..064b6e2cd41186 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -101,7 +101,7 @@ void dwc3_unmap_buffer_from_dma(struct dwc3_request *req) if (req->request.num_mapped_sgs) { req->request.dma = DMA_ADDR_INVALID; dma_unmap_sg(dwc->dev, req->request.sg, - req->request.num_sgs, + req->request.num_mapped_sgs, req->direction ? DMA_TO_DEVICE : DMA_FROM_DEVICE); diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index a95de6a4a13447..baaebf2830fce8 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -175,13 +175,12 @@ ep_found: _ep->comp_desc = comp_desc; if (g->speed == USB_SPEED_SUPER) { switch (usb_endpoint_type(_ep->desc)) { - case USB_ENDPOINT_XFER_BULK: - case USB_ENDPOINT_XFER_INT: - _ep->maxburst = comp_desc->bMaxBurst; - break; case USB_ENDPOINT_XFER_ISOC: /* mult: bits 1:0 of bmAttributes */ _ep->mult = comp_desc->bmAttributes & 0x3; + case USB_ENDPOINT_XFER_BULK: + case USB_ENDPOINT_XFER_INT: + _ep->maxburst = comp_desc->bMaxBurst; break; default: /* Do nothing for control endpoints */ diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c index 753aa0683ac12c..e0e6375ef5dd76 100644 --- a/drivers/usb/gadget/epautoconf.c +++ b/drivers/usb/gadget/epautoconf.c @@ -126,7 +126,7 @@ ep_matches ( * descriptor and see if the EP matches it */ if (usb_endpoint_xfer_bulk(desc)) { - if (ep_comp) { + if (ep_comp && gadget->max_speed >= USB_SPEED_SUPER) { num_req_streams = ep_comp->bmAttributes & 0x1f; if (num_req_streams > ep->max_streams) return 0; diff --git a/drivers/usb/gadget/f_loopback.c b/drivers/usb/gadget/f_loopback.c index 6d87f288df4eca..2c0cd824c66748 100644 --- a/drivers/usb/gadget/f_loopback.c +++ b/drivers/usb/gadget/f_loopback.c @@ -418,7 +418,7 @@ int __init loopback_add(struct usb_composite_dev *cdev, bool autoresume) /* support autoresume for remote wakeup testing */ if (autoresume) - sourcesink_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP; + loopback_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP; /* support OTG systems */ if (gadget_is_otg(cdev->gadget)) { diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index 6353eca1e852e5..ee8ceec01560e5 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -3123,15 +3123,15 @@ fsg_add(struct usb_composite_dev *cdev, struct usb_configuration *c, struct fsg_module_parameters { char *file[FSG_MAX_LUNS]; - int ro[FSG_MAX_LUNS]; - int removable[FSG_MAX_LUNS]; - int cdrom[FSG_MAX_LUNS]; - int nofua[FSG_MAX_LUNS]; + bool ro[FSG_MAX_LUNS]; + bool removable[FSG_MAX_LUNS]; + bool cdrom[FSG_MAX_LUNS]; + bool nofua[FSG_MAX_LUNS]; unsigned int file_count, ro_count, removable_count, cdrom_count; unsigned int nofua_count; unsigned int luns; /* nluns */ - int stall; /* can_stall */ + bool stall; /* can_stall */ }; #define _FSG_MODULE_PARAM_ARRAY(prefix, params, name, type, desc) \ diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index d7ea6c076ce98e..b04712f19f1efa 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -1430,7 +1430,7 @@ static void setup_received_irq(struct fsl_udc *udc, int pipe = get_pipe_by_windex(wIndex); struct fsl_ep *ep; - if (wValue != 0 || wLength != 0 || pipe > udc->max_ep) + if (wValue != 0 || wLength != 0 || pipe >= udc->max_ep) break; ep = get_ep_by_pipe(udc, pipe); @@ -1673,7 +1673,7 @@ static void dtd_complete_irq(struct fsl_udc *udc) if (!bit_pos) return; - for (i = 0; i < udc->max_ep * 2; i++) { + for (i = 0; i < udc->max_ep; i++) { ep_num = i >> 1; direction = i % 2; diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c index fa0fcc11263fb8..e2293c1588eed8 100644 --- a/drivers/usb/gadget/langwell_udc.c +++ b/drivers/usb/gadget/langwell_udc.c @@ -11,11 +11,6 @@ /* #undef DEBUG */ /* #undef VERBOSE_DEBUG */ -#if defined(CONFIG_USB_LANGWELL_OTG) -#define OTG_TRANSCEIVER -#endif - - #include <linux/module.h> #include <linux/pci.h> #include <linux/dma-mapping.h> @@ -1522,8 +1517,7 @@ static void langwell_udc_stop(struct langwell_udc *dev) /* stop all USB activities */ -static void stop_activity(struct langwell_udc *dev, - struct usb_gadget_driver *driver) +static void stop_activity(struct langwell_udc *dev) { struct langwell_ep *ep; dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); @@ -1535,9 +1529,9 @@ static void stop_activity(struct langwell_udc *dev, } /* report disconnect; the driver is already quiesced */ - if (driver) { + if (dev->driver) { spin_unlock(&dev->lock); - driver->disconnect(&dev->gadget); + dev->driver->disconnect(&dev->gadget); spin_lock(&dev->lock); } @@ -1925,11 +1919,10 @@ static int langwell_stop(struct usb_gadget *g, /* stop all usb activities */ dev->gadget.speed = USB_SPEED_UNKNOWN; - stop_activity(dev, driver); - spin_unlock_irqrestore(&dev->lock, flags); - dev->gadget.dev.driver = NULL; dev->driver = NULL; + stop_activity(dev); + spin_unlock_irqrestore(&dev->lock, flags); device_remove_file(&dev->pdev->dev, &dev_attr_function); @@ -2315,13 +2308,9 @@ static void handle_setup_packet(struct langwell_udc *dev, if (!gadget_is_otg(&dev->gadget)) break; - else if (setup->bRequest == USB_DEVICE_B_HNP_ENABLE) { + else if (setup->bRequest == USB_DEVICE_B_HNP_ENABLE) dev->gadget.b_hnp_enable = 1; -#ifdef OTG_TRANSCEIVER - if (!dev->lotg->otg.default_a) - dev->lotg->hsm.b_hnp_enable = 1; -#endif - } else if (setup->bRequest == USB_DEVICE_A_HNP_SUPPORT) + else if (setup->bRequest == USB_DEVICE_A_HNP_SUPPORT) dev->gadget.a_hnp_support = 1; else if (setup->bRequest == USB_DEVICE_A_ALT_HNP_SUPPORT) @@ -2733,7 +2722,7 @@ static void handle_usb_reset(struct langwell_udc *dev) dev->bus_reset = 1; /* reset all the queues, stop all USB activities */ - stop_activity(dev, dev->driver); + stop_activity(dev); dev->usb_state = USB_STATE_DEFAULT; } else { dev_vdbg(&dev->pdev->dev, "device controller reset\n"); @@ -2741,7 +2730,7 @@ static void handle_usb_reset(struct langwell_udc *dev) langwell_udc_reset(dev); /* reset all the queues, stop all USB activities */ - stop_activity(dev, dev->driver); + stop_activity(dev); /* reset ep0 dQH and endptctrl */ ep0_reset(dev); @@ -2752,12 +2741,6 @@ static void handle_usb_reset(struct langwell_udc *dev) dev->usb_state = USB_STATE_ATTACHED; } -#ifdef OTG_TRANSCEIVER - /* refer to USB OTG 6.6.2.3 b_hnp_en is cleared */ - if (!dev->lotg->otg.default_a) - dev->lotg->hsm.b_hnp_enable = 0; -#endif - dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); } @@ -2770,29 +2753,6 @@ static void handle_bus_suspend(struct langwell_udc *dev) dev->resume_state = dev->usb_state; dev->usb_state = USB_STATE_SUSPENDED; -#ifdef OTG_TRANSCEIVER - if (dev->lotg->otg.default_a) { - if (dev->lotg->hsm.b_bus_suspend_vld == 1) { - dev->lotg->hsm.b_bus_suspend = 1; - /* notify transceiver the state changes */ - if (spin_trylock(&dev->lotg->wq_lock)) { - langwell_update_transceiver(); - spin_unlock(&dev->lotg->wq_lock); - } - } - dev->lotg->hsm.b_bus_suspend_vld++; - } else { - if (!dev->lotg->hsm.a_bus_suspend) { - dev->lotg->hsm.a_bus_suspend = 1; - /* notify transceiver the state changes */ - if (spin_trylock(&dev->lotg->wq_lock)) { - langwell_update_transceiver(); - spin_unlock(&dev->lotg->wq_lock); - } - } - } -#endif - /* report suspend to the driver */ if (dev->driver) { if (dev->driver->suspend) { @@ -2823,11 +2783,6 @@ static void handle_bus_resume(struct langwell_udc *dev) if (dev->pdev->device != 0x0829) langwell_phy_low_power(dev, 0); -#ifdef OTG_TRANSCEIVER - if (dev->lotg->otg.default_a == 0) - dev->lotg->hsm.a_bus_suspend = 0; -#endif - /* report resume to the driver */ if (dev->driver) { if (dev->driver->resume) { @@ -3020,7 +2975,6 @@ static void langwell_udc_remove(struct pci_dev *pdev) dev->done = &done; -#ifndef OTG_TRANSCEIVER /* free dTD dma_pool and dQH */ if (dev->dtd_pool) dma_pool_destroy(dev->dtd_pool); @@ -3032,7 +2986,6 @@ static void langwell_udc_remove(struct pci_dev *pdev) /* release SRAM caching */ if (dev->has_sram && dev->got_sram) sram_deinit(dev); -#endif if (dev->status_req) { kfree(dev->status_req->req.buf); @@ -3045,7 +2998,6 @@ static void langwell_udc_remove(struct pci_dev *pdev) if (dev->got_irq) free_irq(pdev->irq, dev); -#ifndef OTG_TRANSCEIVER if (dev->cap_regs) iounmap(dev->cap_regs); @@ -3055,13 +3007,6 @@ static void langwell_udc_remove(struct pci_dev *pdev) if (dev->enabled) pci_disable_device(pdev); -#else - if (dev->transceiver) { - otg_put_transceiver(dev->transceiver); - dev->transceiver = NULL; - dev->lotg = NULL; - } -#endif dev->cap_regs = NULL; @@ -3072,9 +3017,7 @@ static void langwell_udc_remove(struct pci_dev *pdev) device_remove_file(&pdev->dev, &dev_attr_langwell_udc); device_remove_file(&pdev->dev, &dev_attr_remote_wakeup); -#ifndef OTG_TRANSCEIVER pci_set_drvdata(pdev, NULL); -#endif /* free dev, wait for the release() finished */ wait_for_completion(&done); @@ -3089,9 +3032,7 @@ static int langwell_udc_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct langwell_udc *dev; -#ifndef OTG_TRANSCEIVER unsigned long resource, len; -#endif void __iomem *base = NULL; size_t size; int retval; @@ -3109,16 +3050,6 @@ static int langwell_udc_probe(struct pci_dev *pdev, dev->pdev = pdev; dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__); -#ifdef OTG_TRANSCEIVER - /* PCI device is already enabled by otg_transceiver driver */ - dev->enabled = 1; - - /* mem region and register base */ - dev->region = 1; - dev->transceiver = otg_get_transceiver(); - dev->lotg = otg_to_langwell(dev->transceiver); - base = dev->lotg->regs; -#else pci_set_drvdata(pdev, dev); /* now all the pci goodies ... */ @@ -3139,7 +3070,6 @@ static int langwell_udc_probe(struct pci_dev *pdev, dev->region = 1; base = ioremap_nocache(resource, len); -#endif if (base == NULL) { dev_err(&dev->pdev->dev, "can't map memory\n"); retval = -EFAULT; @@ -3163,7 +3093,6 @@ static int langwell_udc_probe(struct pci_dev *pdev, dev->got_sram = 0; dev_vdbg(&dev->pdev->dev, "dev->has_sram: %d\n", dev->has_sram); -#ifndef OTG_TRANSCEIVER /* enable SRAM caching if detected */ if (dev->has_sram && !dev->got_sram) sram_init(dev); @@ -3182,7 +3111,6 @@ static int langwell_udc_probe(struct pci_dev *pdev, goto error; } dev->got_irq = 1; -#endif /* set stopped bit */ dev->stopped = 1; @@ -3257,10 +3185,8 @@ static int langwell_udc_probe(struct pci_dev *pdev, dev->remote_wakeup = 0; dev->dev_status = 1 << USB_DEVICE_SELF_POWERED; -#ifndef OTG_TRANSCEIVER /* reset device controller */ langwell_udc_reset(dev); -#endif /* initialize gadget structure */ dev->gadget.ops = &langwell_ops; /* usb_gadget_ops */ @@ -3268,9 +3194,6 @@ static int langwell_udc_probe(struct pci_dev *pdev, INIT_LIST_HEAD(&dev->gadget.ep_list); /* ep_list */ dev->gadget.speed = USB_SPEED_UNKNOWN; /* speed */ dev->gadget.max_speed = USB_SPEED_HIGH; /* support dual speed */ -#ifdef OTG_TRANSCEIVER - dev->gadget.is_otg = 1; /* support otg mode */ -#endif /* the "gadget" abstracts/virtualizes the controller */ dev_set_name(&dev->gadget.dev, "gadget"); @@ -3282,10 +3205,8 @@ static int langwell_udc_probe(struct pci_dev *pdev, /* controller endpoints reinit */ eps_reinit(dev); -#ifndef OTG_TRANSCEIVER /* reset ep0 dQH and endptctrl */ ep0_reset(dev); -#endif /* create dTD dma_pool resource */ dev->dtd_pool = dma_pool_create("langwell_dtd", @@ -3367,7 +3288,7 @@ static int langwell_udc_suspend(struct pci_dev *pdev, pm_message_t state) spin_lock_irq(&dev->lock); /* stop all usb activities */ - stop_activity(dev, dev->driver); + stop_activity(dev); spin_unlock_irq(&dev->lock); /* free dTD dma_pool and dQH */ @@ -3525,22 +3446,14 @@ static struct pci_driver langwell_pci_driver = { static int __init init(void) { -#ifdef OTG_TRANSCEIVER - return langwell_register_peripheral(&langwell_pci_driver); -#else return pci_register_driver(&langwell_pci_driver); -#endif } module_init(init); static void __exit cleanup(void) { -#ifdef OTG_TRANSCEIVER - return langwell_unregister_peripheral(&langwell_pci_driver); -#else pci_unregister_driver(&langwell_pci_driver); -#endif } module_exit(cleanup); diff --git a/drivers/usb/gadget/langwell_udc.h b/drivers/usb/gadget/langwell_udc.h index ef79e242b7b0de..d6e78accaffee7 100644 --- a/drivers/usb/gadget/langwell_udc.h +++ b/drivers/usb/gadget/langwell_udc.h @@ -8,7 +8,6 @@ */ #include <linux/usb/langwell_udc.h> -#include <linux/usb/langwell_otg.h> /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c index c7f291a331dfc4..85ea14e2545e8f 100644 --- a/drivers/usb/gadget/storage_common.c +++ b/drivers/usb/gadget/storage_common.c @@ -598,16 +598,16 @@ static __maybe_unused struct usb_ss_cap_descriptor fsg_ss_cap_desc = { | USB_5GBPS_OPERATION), .bFunctionalitySupport = USB_LOW_SPEED_OPERATION, .bU1devExitLat = USB_DEFAULT_U1_DEV_EXIT_LAT, - .bU2DevExitLat = USB_DEFAULT_U2_DEV_EXIT_LAT, + .bU2DevExitLat = cpu_to_le16(USB_DEFAULT_U2_DEV_EXIT_LAT), }; static __maybe_unused struct usb_bos_descriptor fsg_bos_desc = { .bLength = USB_DT_BOS_SIZE, .bDescriptorType = USB_DT_BOS, - .wTotalLength = USB_DT_BOS_SIZE + .wTotalLength = cpu_to_le16(USB_DT_BOS_SIZE + USB_DT_USB_EXT_CAP_SIZE - + USB_DT_USB_SS_CAP_SIZE, + + USB_DT_USB_SS_CAP_SIZE), .bNumDeviceCaps = 2, }; diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 91413cac97beec..353cdd488b9393 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -130,7 +130,7 @@ config USB_FSL_MPH_DR_OF tristate config USB_EHCI_FSL - bool "Support for Freescale on-chip EHCI USB controller" + bool "Support for Freescale PPC on-chip EHCI USB controller" depends on USB_EHCI_HCD && FSL_SOC select USB_EHCI_ROOT_HUB_TT select USB_FSL_MPH_DR_OF if OF @@ -138,7 +138,7 @@ config USB_EHCI_FSL Variation of ARC USB block used in some Freescale chips. config USB_EHCI_MXC - bool "Support for Freescale on-chip EHCI USB controller" + bool "Support for Freescale i.MX on-chip EHCI USB controller" depends on USB_EHCI_HCD && ARCH_MXC select USB_EHCI_ROOT_HUB_TT ---help--- @@ -546,7 +546,7 @@ config USB_RENESAS_USBHS_HCD config USB_WHCI_HCD tristate "Wireless USB Host Controller Interface (WHCI) driver (EXPERIMENTAL)" depends on EXPERIMENTAL - depends on PCI && USB + depends on PCI && USB && UWB select USB_WUSB select UWB_WHCI help @@ -559,7 +559,7 @@ config USB_WHCI_HCD config USB_HWA_HCD tristate "Host Wire Adapter (HWA) driver (EXPERIMENTAL)" depends on EXPERIMENTAL - depends on USB + depends on USB && UWB select USB_WUSB select UWB_HWA help diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index e90344a1763173..c26a82e83f6e6d 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -125,7 +125,7 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver, */ if (pdata->init && pdata->init(pdev)) { retval = -ENODEV; - goto err3; + goto err4; } /* Enable USB controller, 83xx or 8536 */ @@ -239,7 +239,7 @@ static void ehci_fsl_setup_phy(struct ehci_hcd *ehci, ehci_writel(ehci, portsc, &ehci->regs->port_status[port_offset]); } -static void ehci_fsl_usb_setup(struct ehci_hcd *ehci) +static int ehci_fsl_usb_setup(struct ehci_hcd *ehci) { struct usb_hcd *hcd = ehci_to_hcd(ehci); struct fsl_usb2_platform_data *pdata; @@ -299,12 +299,19 @@ static void ehci_fsl_usb_setup(struct ehci_hcd *ehci) #endif out_be32(non_ehci + FSL_SOC_USB_SICTRL, 0x00000001); } + + if (!(in_be32(non_ehci + FSL_SOC_USB_CTRL) & CTRL_PHY_CLK_VALID)) { + printk(KERN_WARNING "fsl-ehci: USB PHY clock invalid\n"); + return -ENODEV; + } + return 0; } /* called after powerup, by probe or system-pm "wakeup" */ static int ehci_fsl_reinit(struct ehci_hcd *ehci) { - ehci_fsl_usb_setup(ehci); + if (ehci_fsl_usb_setup(ehci)) + return -ENODEV; ehci_port_power(ehci, 0); return 0; diff --git a/drivers/usb/host/ehci-fsl.h b/drivers/usb/host/ehci-fsl.h index 4918062211656c..bdf43e2adc51a4 100644 --- a/drivers/usb/host/ehci-fsl.h +++ b/drivers/usb/host/ehci-fsl.h @@ -45,5 +45,6 @@ #define FSL_SOC_USB_PRICTRL 0x40c /* NOTE: big-endian */ #define FSL_SOC_USB_SICTRL 0x410 /* NOTE: big-endian */ #define FSL_SOC_USB_CTRL 0x500 /* NOTE: big-endian */ +#define CTRL_PHY_CLK_VALID (1 << 17) #define SNOOP_SIZE_2GB 0x1e #endif /* _EHCI_FSL_H */ diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index f4b627d343acdf..01bb7241d6efd5 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -276,6 +276,9 @@ static int ehci_pci_setup(struct usb_hcd *hcd) /* Serial Bus Release Number is at PCI 0x60 offset */ pci_read_config_byte(pdev, 0x60, &ehci->sbrn); + if (pdev->vendor == PCI_VENDOR_ID_STMICRO + && pdev->device == PCI_DEVICE_ID_STMICRO_USB_HOST) + ehci->sbrn = 0x20; /* ConneXT has no sbrn register */ /* Keep this around for a while just in case some EHCI * implementation uses legacy PCI PM support. This test @@ -526,6 +529,9 @@ static const struct pci_device_id pci_ids [] = { { /* handle any USB 2.0 EHCI controller */ PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_EHCI, ~0), .driver_data = (unsigned long) &ehci_pci_hc_driver, + }, { + PCI_VDEVICE(STMICRO, PCI_DEVICE_ID_STMICRO_USB_HOST), + .driver_data = (unsigned long) &ehci_pci_hc_driver, }, { /* end: all zeroes */ } }; diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 5df0b0e3392bed..77afabc77f9be8 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -139,8 +139,23 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver, } iclk = clk_get(&pdev->dev, "ohci_clk"); + if (IS_ERR(iclk)) { + dev_err(&pdev->dev, "failed to get ohci_clk\n"); + retval = PTR_ERR(iclk); + goto err3; + } fclk = clk_get(&pdev->dev, "uhpck"); + if (IS_ERR(fclk)) { + dev_err(&pdev->dev, "failed to get uhpck\n"); + retval = PTR_ERR(fclk); + goto err4; + } hclk = clk_get(&pdev->dev, "hclk"); + if (IS_ERR(hclk)) { + dev_err(&pdev->dev, "failed to get hclk\n"); + retval = PTR_ERR(hclk); + goto err5; + } at91_start_hc(pdev); ohci_hcd_init(hcd_to_ohci(hcd)); @@ -153,9 +168,12 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver, at91_stop_hc(pdev); clk_put(hclk); + err5: clk_put(fclk); + err4: clk_put(iclk); + err3: iounmap(hcd->regs); err2: @@ -226,7 +244,8 @@ static void ohci_at91_usb_set_power(struct at91_usbh_data *pdata, int port, int if (!gpio_is_valid(pdata->vbus_pin[port])) return; - gpio_set_value(pdata->vbus_pin[port], !pdata->vbus_pin_inverted ^ enable); + gpio_set_value(pdata->vbus_pin[port], + !pdata->vbus_pin_active_low[port] ^ enable); } static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port) @@ -237,7 +256,8 @@ static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port) if (!gpio_is_valid(pdata->vbus_pin[port])) return -EINVAL; - return gpio_get_value(pdata->vbus_pin[port]) ^ !pdata->vbus_pin_inverted; + return gpio_get_value(pdata->vbus_pin[port]) ^ + !pdata->vbus_pin_active_low[port]; } /* diff --git a/drivers/usb/host/ohci-dbg.c b/drivers/usb/host/ohci-dbg.c index 5179fcd73d8a39..e4bcb62b930a9e 100644 --- a/drivers/usb/host/ohci-dbg.c +++ b/drivers/usb/host/ohci-dbg.c @@ -82,6 +82,14 @@ urb_print(struct urb * urb, char * str, int small, int status) ohci_dbg(ohci,format, ## arg ); \ } while (0); +/* Version for use where "next" is the address of a local variable */ +#define ohci_dbg_nosw(ohci, next, size, format, arg...) \ + do { \ + unsigned s_len; \ + s_len = scnprintf(*next, *size, format, ## arg); \ + *size -= s_len; *next += s_len; \ + } while (0); + static void ohci_dump_intr_mask ( struct ohci_hcd *ohci, @@ -653,7 +661,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf) /* dump driver info, then registers in spec order */ - ohci_dbg_sw (ohci, &next, &size, + ohci_dbg_nosw(ohci, &next, &size, "bus %s, device %s\n" "%s\n" "%s\n", @@ -672,7 +680,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf) /* hcca */ if (ohci->hcca) - ohci_dbg_sw (ohci, &next, &size, + ohci_dbg_nosw(ohci, &next, &size, "hcca frame 0x%04x\n", ohci_frame_no(ohci)); /* other registers mostly affect frame timings */ diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c index 6109810cc2d3eb..1843bb68ac7cee 100644 --- a/drivers/usb/host/ohci-pci.c +++ b/drivers/usb/host/ohci-pci.c @@ -397,6 +397,10 @@ static const struct pci_device_id pci_ids [] = { { /* handle any USB OHCI controller */ PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_OHCI, ~0), .driver_data = (unsigned long) &ohci_pci_hc_driver, + }, { + /* The device in the ConneXT I/O hub has no class reg */ + PCI_VDEVICE(STMICRO, PCI_DEVICE_ID_STMICRO_USB_OHCI), + .driver_data = (unsigned long) &ohci_pci_hc_driver, }, { /* end: all zeroes */ } }; MODULE_DEVICE_TABLE (pci, pci_ids); diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index caf87428ca43c3..ac53a662a6a306 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -867,6 +867,12 @@ hc_init: static void __devinit quirk_usb_early_handoff(struct pci_dev *pdev) { + /* Skip Netlogic mips SoC's internal PCI USB controller. + * This device does not need/support EHCI/OHCI handoff + */ + if (pdev->vendor == 0x184e) /* vendor Netlogic */ + return; + if (pdev->class == PCI_CLASS_SERIAL_USB_UHCI) quirk_usb_handoff_uhci(pdev); else if (pdev->class == PCI_CLASS_SERIAL_USB_OHCI) diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index b90e1386418b42..b62037bff688c0 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1204,6 +1204,7 @@ static void handle_vendor_event(struct xhci_hcd *xhci, * * Returns a zero-based port number, which is suitable for indexing into each of * the split roothubs' port arrays and bus state arrays. + * Add one to it in order to call xhci_find_slot_id_by_port. */ static unsigned int find_faked_portnum_from_hw_portnum(struct usb_hcd *hcd, struct xhci_hcd *xhci, u32 port_id) @@ -1324,7 +1325,7 @@ static void handle_port_status(struct xhci_hcd *xhci, xhci_set_link_state(xhci, port_array, faked_port_index, XDEV_U0); slot_id = xhci_find_slot_id_by_port(hcd, xhci, - faked_port_index); + faked_port_index + 1); if (!slot_id) { xhci_dbg(xhci, "slot_id is zero\n"); goto cleanup; @@ -3323,7 +3324,8 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, /* Check TD length */ if (running_total != td_len) { xhci_err(xhci, "ISOC TD length unmatch\n"); - return -EINVAL; + ret = -EINVAL; + goto cleanup; } } diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c index d9b6a0355443c8..da97dcec1f32c8 100644 --- a/drivers/usb/misc/emi26.c +++ b/drivers/usb/misc/emi26.c @@ -37,9 +37,6 @@ static int emi26_set_reset(struct usb_device *dev, unsigned char reset_bit); static int emi26_load_firmware (struct usb_device *dev); static int emi26_probe(struct usb_interface *intf, const struct usb_device_id *id); static void emi26_disconnect(struct usb_interface *intf); -static int __init emi26_init (void); -static void __exit emi26_exit (void); - /* thanks to drivers/usb/serial/keyspan_pda.c code */ static int emi26_writememory (struct usb_device *dev, int address, diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c index 9f39062ebb080d..4e0f167a6c4ef4 100644 --- a/drivers/usb/misc/emi62.c +++ b/drivers/usb/misc/emi62.c @@ -46,9 +46,6 @@ static int emi62_set_reset(struct usb_device *dev, unsigned char reset_bit); static int emi62_load_firmware (struct usb_device *dev); static int emi62_probe(struct usb_interface *intf, const struct usb_device_id *id); static void emi62_disconnect(struct usb_interface *intf); -static int __init emi62_init (void); -static void __exit emi62_exit (void); - /* thanks to drivers/usb/serial/keyspan_pda.c code */ static int emi62_writememory(struct usb_device *dev, int address, diff --git a/drivers/usb/misc/usbsevseg.c b/drivers/usb/misc/usbsevseg.c index 107bf13b1cf14e..b2d82b937392eb 100644 --- a/drivers/usb/misc/usbsevseg.c +++ b/drivers/usb/misc/usbsevseg.c @@ -24,7 +24,7 @@ #define VENDOR_ID 0x0fc5 #define PRODUCT_ID 0x1227 -#define MAXLEN 6 +#define MAXLEN 8 /* table of devices that work with this driver */ static const struct usb_device_id id_table[] = { diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c index f9a3f62a83b51d..7c569f51212abe 100644 --- a/drivers/usb/musb/davinci.c +++ b/drivers/usb/musb/davinci.c @@ -33,9 +33,6 @@ #include <linux/platform_device.h> #include <linux/dma-mapping.h> -#include <mach/hardware.h> -#include <mach/memory.h> -#include <asm/gpio.h> #include <mach/cputype.h> #include <asm/mach-types.h> diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 56cf0243979e50..3d11cf64ebd17d 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -981,6 +981,9 @@ static void musb_shutdown(struct platform_device *pdev) unsigned long flags; pm_runtime_get_sync(musb->controller); + + musb_gadget_cleanup(musb); + spin_lock_irqsave(&musb->lock, flags); musb_platform_disable(musb); musb_generic_disable(musb); @@ -1827,8 +1830,6 @@ static void musb_free(struct musb *musb) sysfs_remove_group(&musb->controller->kobj, &musb_attr_group); #endif - musb_gadget_cleanup(musb); - if (musb->nIrq >= 0) { if (musb->irq_wake) disable_irq_wake(musb->nIrq); diff --git a/drivers/usb/musb/musb_io.h b/drivers/usb/musb/musb_io.h index e61aa95f2d2aa0..1d5eda26fbd13b 100644 --- a/drivers/usb/musb/musb_io.h +++ b/drivers/usb/musb/musb_io.h @@ -39,7 +39,8 @@ #if !defined(CONFIG_ARM) && !defined(CONFIG_SUPERH) \ && !defined(CONFIG_AVR32) && !defined(CONFIG_PPC32) \ - && !defined(CONFIG_PPC64) && !defined(CONFIG_BLACKFIN) + && !defined(CONFIG_PPC64) && !defined(CONFIG_BLACKFIN) \ + && !defined(CONFIG_MIPS) static inline void readsl(const void __iomem *addr, void *buf, int len) { insl((unsigned long)addr, buf, len); } static inline void readsw(const void __iomem *addr, void *buf, int len) diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index c27bbbf32b5223..df719eae3b033a 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -222,7 +222,6 @@ static inline void omap2430_low_level_init(struct musb *musb) musb_writel(musb->mregs, OTG_FORCESTDBY, l); } -/* blocking notifier support */ static int musb_otg_notifications(struct notifier_block *nb, unsigned long event, void *unused) { @@ -231,7 +230,7 @@ static int musb_otg_notifications(struct notifier_block *nb, musb->xceiv_event = event; schedule_work(&musb->otg_notifier_work); - return 0; + return NOTIFY_OK; } static void musb_otg_notifier_work(struct work_struct *data_notifier_work) @@ -386,6 +385,7 @@ static void omap2430_musb_disable(struct musb *musb) static int omap2430_musb_exit(struct musb *musb) { del_timer_sync(&musb_idle_timer); + cancel_work_sync(&musb->otg_notifier_work); omap2430_low_level_exit(musb); otg_put_transceiver(musb->xceiv); diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig index 2a25955881fc77..735ef4c2339ae9 100644 --- a/drivers/usb/otg/Kconfig +++ b/drivers/usb/otg/Kconfig @@ -86,20 +86,6 @@ config NOP_USB_XCEIV built-in with usb ip or which are autonomous and doesn't require any phy programming such as ISP1x04 etc. -config USB_LANGWELL_OTG - tristate "Intel Langwell USB OTG dual-role support" - depends on USB && PCI && INTEL_SCU_IPC - select USB_OTG - select USB_OTG_UTILS - help - Say Y here if you want to build Intel Langwell USB OTG - transciever driver in kernel. This driver implements role - switch between EHCI host driver and Langwell USB OTG - client driver. - - To compile this driver as a module, choose M here: the - module will be called langwell_otg. - config USB_MSM_OTG tristate "OTG support for Qualcomm on-chip USB controller" depends on (USB || USB_GADGET) && ARCH_MSM @@ -124,7 +110,7 @@ config AB8500_USB config FSL_USB2_OTG bool "Freescale USB OTG Transceiver Driver" - depends on USB_EHCI_FSL && USB_GADGET_FSL_USB2 + depends on USB_EHCI_FSL && USB_GADGET_FSL_USB2 && USB_SUSPEND select USB_OTG select USB_OTG_UTILS help @@ -132,7 +118,7 @@ config FSL_USB2_OTG config USB_MV_OTG tristate "Marvell USB OTG support" - depends on USB_MV_UDC + depends on USB_EHCI_MV && USB_MV_UDC && USB_SUSPEND select USB_OTG select USB_OTG_UTILS help diff --git a/drivers/usb/otg/Makefile b/drivers/usb/otg/Makefile index b2c5a9598637d9..41aa5098b13997 100644 --- a/drivers/usb/otg/Makefile +++ b/drivers/usb/otg/Makefile @@ -13,7 +13,6 @@ obj-$(CONFIG_USB_GPIO_VBUS) += gpio_vbus.o obj-$(CONFIG_ISP1301_OMAP) += isp1301_omap.o obj-$(CONFIG_TWL4030_USB) += twl4030-usb.o obj-$(CONFIG_TWL6030_USB) += twl6030-usb.o -obj-$(CONFIG_USB_LANGWELL_OTG) += langwell_otg.o obj-$(CONFIG_NOP_USB_XCEIV) += nop-usb-xceiv.o obj-$(CONFIG_USB_ULPI) += ulpi.o obj-$(CONFIG_USB_ULPI_VIEWPORT) += ulpi_viewport.o diff --git a/drivers/usb/otg/langwell_otg.c b/drivers/usb/otg/langwell_otg.c deleted file mode 100644 index f08f784086f769..00000000000000 --- a/drivers/usb/otg/langwell_otg.c +++ /dev/null @@ -1,2347 +0,0 @@ -/* - * Intel Langwell USB OTG transceiver driver - * Copyright (C) 2008 - 2010, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ -/* This driver helps to switch Langwell OTG controller function between host - * and peripheral. It works with EHCI driver and Langwell client controller - * driver together. - */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/errno.h> -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/device.h> -#include <linux/moduleparam.h> -#include <linux/usb/ch9.h> -#include <linux/usb/gadget.h> -#include <linux/usb.h> -#include <linux/usb/otg.h> -#include <linux/usb/hcd.h> -#include <linux/notifier.h> -#include <linux/delay.h> -#include <asm/intel_scu_ipc.h> - -#include <linux/usb/langwell_otg.h> - -#define DRIVER_DESC "Intel Langwell USB OTG transceiver driver" -#define DRIVER_VERSION "July 10, 2010" - -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_AUTHOR("Henry Yuan <hang.yuan@intel.com>, Hao Wu <hao.wu@intel.com>"); -MODULE_VERSION(DRIVER_VERSION); -MODULE_LICENSE("GPL"); - -static const char driver_name[] = "langwell_otg"; - -static int langwell_otg_probe(struct pci_dev *pdev, - const struct pci_device_id *id); -static void langwell_otg_remove(struct pci_dev *pdev); -static int langwell_otg_suspend(struct pci_dev *pdev, pm_message_t message); -static int langwell_otg_resume(struct pci_dev *pdev); - -static int langwell_otg_set_host(struct otg_transceiver *otg, - struct usb_bus *host); -static int langwell_otg_set_peripheral(struct otg_transceiver *otg, - struct usb_gadget *gadget); -static int langwell_otg_start_srp(struct otg_transceiver *otg); - -static const struct pci_device_id pci_ids[] = {{ - .class = ((PCI_CLASS_SERIAL_USB << 8) | 0xfe), - .class_mask = ~0, - .vendor = 0x8086, - .device = 0x0811, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, -}, { /* end: all zeroes */ } -}; - -static struct pci_driver otg_pci_driver = { - .name = (char *) driver_name, - .id_table = pci_ids, - - .probe = langwell_otg_probe, - .remove = langwell_otg_remove, - - .suspend = langwell_otg_suspend, - .resume = langwell_otg_resume, -}; - -/* HSM timers */ -static inline struct langwell_otg_timer *otg_timer_initializer -(void (*function)(unsigned long), unsigned long expires, unsigned long data) -{ - struct langwell_otg_timer *timer; - timer = kmalloc(sizeof(struct langwell_otg_timer), GFP_KERNEL); - if (timer == NULL) - return timer; - - timer->function = function; - timer->expires = expires; - timer->data = data; - return timer; -} - -static struct langwell_otg_timer *a_wait_vrise_tmr, *a_aidl_bdis_tmr, - *b_se0_srp_tmr, *b_srp_init_tmr; - -static struct list_head active_timers; - -static struct langwell_otg *the_transceiver; - -/* host/client notify transceiver when event affects HNP state */ -void langwell_update_transceiver(void) -{ - struct langwell_otg *lnw = the_transceiver; - - dev_dbg(lnw->dev, "transceiver is updated\n"); - - if (!lnw->qwork) - return ; - - queue_work(lnw->qwork, &lnw->work); -} -EXPORT_SYMBOL(langwell_update_transceiver); - -static int langwell_otg_set_host(struct otg_transceiver *otg, - struct usb_bus *host) -{ - otg->host = host; - - return 0; -} - -static int langwell_otg_set_peripheral(struct otg_transceiver *otg, - struct usb_gadget *gadget) -{ - otg->gadget = gadget; - - return 0; -} - -static int langwell_otg_set_power(struct otg_transceiver *otg, - unsigned mA) -{ - return 0; -} - -/* A-device drives vbus, controlled through IPC commands */ -static int langwell_otg_set_vbus(struct otg_transceiver *otg, bool enabled) -{ - struct langwell_otg *lnw = the_transceiver; - u8 sub_id; - - dev_dbg(lnw->dev, "%s <--- %s\n", __func__, enabled ? "on" : "off"); - - if (enabled) - sub_id = 0x8; /* Turn on the VBus */ - else - sub_id = 0x9; /* Turn off the VBus */ - - if (intel_scu_ipc_simple_command(0xef, sub_id)) { - dev_dbg(lnw->dev, "Failed to set Vbus via IPC commands\n"); - return -EBUSY; - } - - dev_dbg(lnw->dev, "%s --->\n", __func__); - - return 0; -} - -/* charge vbus or discharge vbus through a resistor to ground */ -static void langwell_otg_chrg_vbus(int on) -{ - struct langwell_otg *lnw = the_transceiver; - u32 val; - - val = readl(lnw->iotg.base + CI_OTGSC); - - if (on) - writel((val & ~OTGSC_INTSTS_MASK) | OTGSC_VC, - lnw->iotg.base + CI_OTGSC); - else - writel((val & ~OTGSC_INTSTS_MASK) | OTGSC_VD, - lnw->iotg.base + CI_OTGSC); -} - -/* Start SRP */ -static int langwell_otg_start_srp(struct otg_transceiver *otg) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - u32 val; - - dev_dbg(lnw->dev, "%s --->\n", __func__); - - val = readl(iotg->base + CI_OTGSC); - - writel((val & ~OTGSC_INTSTS_MASK) | OTGSC_HADP, - iotg->base + CI_OTGSC); - - /* Check if the data plus is finished or not */ - msleep(8); - val = readl(iotg->base + CI_OTGSC); - if (val & (OTGSC_HADP | OTGSC_DP)) - dev_dbg(lnw->dev, "DataLine SRP Error\n"); - - /* Disable interrupt - b_sess_vld */ - val = readl(iotg->base + CI_OTGSC); - val &= (~(OTGSC_BSVIE | OTGSC_BSEIE)); - writel(val, iotg->base + CI_OTGSC); - - /* Start VBus SRP, drive vbus to generate VBus pulse */ - iotg->otg.set_vbus(&iotg->otg, true); - msleep(15); - iotg->otg.set_vbus(&iotg->otg, false); - - /* Enable interrupt - b_sess_vld*/ - val = readl(iotg->base + CI_OTGSC); - dev_dbg(lnw->dev, "after VBUS pulse otgsc = %x\n", val); - - val |= (OTGSC_BSVIE | OTGSC_BSEIE); - writel(val, iotg->base + CI_OTGSC); - - /* If Vbus is valid, then update the hsm */ - if (val & OTGSC_BSV) { - dev_dbg(lnw->dev, "no b_sess_vld interrupt\n"); - - lnw->iotg.hsm.b_sess_vld = 1; - langwell_update_transceiver(); - } - - dev_dbg(lnw->dev, "%s <---\n", __func__); - return 0; -} - -/* stop SOF via bus_suspend */ -static void langwell_otg_loc_sof(int on) -{ - struct langwell_otg *lnw = the_transceiver; - struct usb_hcd *hcd; - int err; - - dev_dbg(lnw->dev, "%s ---> %s\n", __func__, on ? "suspend" : "resume"); - - hcd = bus_to_hcd(lnw->iotg.otg.host); - if (on) - err = hcd->driver->bus_resume(hcd); - else - err = hcd->driver->bus_suspend(hcd); - - if (err) - dev_dbg(lnw->dev, "Fail to resume/suspend USB bus - %d\n", err); - - dev_dbg(lnw->dev, "%s <---\n", __func__); -} - -static int langwell_otg_check_otgsc(void) -{ - struct langwell_otg *lnw = the_transceiver; - u32 otgsc, usbcfg; - - dev_dbg(lnw->dev, "check sync OTGSC and USBCFG registers\n"); - - otgsc = readl(lnw->iotg.base + CI_OTGSC); - usbcfg = readl(lnw->usbcfg); - - dev_dbg(lnw->dev, "OTGSC = %08x, USBCFG = %08x\n", - otgsc, usbcfg); - dev_dbg(lnw->dev, "OTGSC_AVV = %d\n", !!(otgsc & OTGSC_AVV)); - dev_dbg(lnw->dev, "USBCFG.VBUSVAL = %d\n", - !!(usbcfg & USBCFG_VBUSVAL)); - dev_dbg(lnw->dev, "OTGSC_ASV = %d\n", !!(otgsc & OTGSC_ASV)); - dev_dbg(lnw->dev, "USBCFG.AVALID = %d\n", - !!(usbcfg & USBCFG_AVALID)); - dev_dbg(lnw->dev, "OTGSC_BSV = %d\n", !!(otgsc & OTGSC_BSV)); - dev_dbg(lnw->dev, "USBCFG.BVALID = %d\n", - !!(usbcfg & USBCFG_BVALID)); - dev_dbg(lnw->dev, "OTGSC_BSE = %d\n", !!(otgsc & OTGSC_BSE)); - dev_dbg(lnw->dev, "USBCFG.SESEND = %d\n", - !!(usbcfg & USBCFG_SESEND)); - - /* Check USBCFG VBusValid/AValid/BValid/SessEnd */ - if (!!(otgsc & OTGSC_AVV) ^ !!(usbcfg & USBCFG_VBUSVAL)) { - dev_dbg(lnw->dev, "OTGSC.AVV != USBCFG.VBUSVAL\n"); - goto err; - } - if (!!(otgsc & OTGSC_ASV) ^ !!(usbcfg & USBCFG_AVALID)) { - dev_dbg(lnw->dev, "OTGSC.ASV != USBCFG.AVALID\n"); - goto err; - } - if (!!(otgsc & OTGSC_BSV) ^ !!(usbcfg & USBCFG_BVALID)) { - dev_dbg(lnw->dev, "OTGSC.BSV != USBCFG.BVALID\n"); - goto err; - } - if (!!(otgsc & OTGSC_BSE) ^ !!(usbcfg & USBCFG_SESEND)) { - dev_dbg(lnw->dev, "OTGSC.BSE != USBCFG.SESSEN\n"); - goto err; - } - - dev_dbg(lnw->dev, "OTGSC and USBCFG are synced\n"); - - return 0; - -err: - dev_warn(lnw->dev, "OTGSC isn't equal to USBCFG\n"); - return -EPIPE; -} - - -static void langwell_otg_phy_low_power(int on) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - u8 val, phcd; - int retval; - - dev_dbg(lnw->dev, "%s ---> %s mode\n", - __func__, on ? "Low power" : "Normal"); - - phcd = 0x40; - - val = readb(iotg->base + CI_HOSTPC1 + 2); - - if (on) { - /* Due to hardware issue, after set PHCD, sync will failed - * between USBCFG and OTGSC, so before set PHCD, check if - * sync is in process now. If the answer is "yes", then do - * not touch PHCD bit */ - retval = langwell_otg_check_otgsc(); - if (retval) { - dev_dbg(lnw->dev, "Skip PHCD programming..\n"); - return ; - } - - writeb(val | phcd, iotg->base + CI_HOSTPC1 + 2); - } else - writeb(val & ~phcd, iotg->base + CI_HOSTPC1 + 2); - - dev_dbg(lnw->dev, "%s <--- done\n", __func__); -} - -/* After drv vbus, add 5 ms delay to set PHCD */ -static void langwell_otg_phy_low_power_wait(int on) -{ - struct langwell_otg *lnw = the_transceiver; - - dev_dbg(lnw->dev, "add 5ms delay before programing PHCD\n"); - - mdelay(5); - langwell_otg_phy_low_power(on); -} - -/* Enable/Disable OTG interrupt */ -static void langwell_otg_intr(int on) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - u32 val; - - dev_dbg(lnw->dev, "%s ---> %s\n", __func__, on ? "on" : "off"); - - val = readl(iotg->base + CI_OTGSC); - - /* OTGSC_INT_MASK doesn't contains 1msInt */ - if (on) { - val = val | (OTGSC_INT_MASK); - writel(val, iotg->base + CI_OTGSC); - } else { - val = val & ~(OTGSC_INT_MASK); - writel(val, iotg->base + CI_OTGSC); - } - - dev_dbg(lnw->dev, "%s <---\n", __func__); -} - -/* set HAAR: Hardware Assist Auto-Reset */ -static void langwell_otg_HAAR(int on) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - u32 val; - - dev_dbg(lnw->dev, "%s ---> %s\n", __func__, on ? "on" : "off"); - - val = readl(iotg->base + CI_OTGSC); - if (on) - writel((val & ~OTGSC_INTSTS_MASK) | OTGSC_HAAR, - iotg->base + CI_OTGSC); - else - writel((val & ~OTGSC_INTSTS_MASK) & ~OTGSC_HAAR, - iotg->base + CI_OTGSC); - - dev_dbg(lnw->dev, "%s <---\n", __func__); -} - -/* set HABA: Hardware Assist B-Disconnect to A-Connect */ -static void langwell_otg_HABA(int on) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - u32 val; - - dev_dbg(lnw->dev, "%s ---> %s\n", __func__, on ? "on" : "off"); - - val = readl(iotg->base + CI_OTGSC); - if (on) - writel((val & ~OTGSC_INTSTS_MASK) | OTGSC_HABA, - iotg->base + CI_OTGSC); - else - writel((val & ~OTGSC_INTSTS_MASK) & ~OTGSC_HABA, - iotg->base + CI_OTGSC); - - dev_dbg(lnw->dev, "%s <---\n", __func__); -} - -static int langwell_otg_check_se0_srp(int on) -{ - struct langwell_otg *lnw = the_transceiver; - int delay_time = TB_SE0_SRP * 10; - u32 val; - - dev_dbg(lnw->dev, "%s --->\n", __func__); - - do { - udelay(100); - if (!delay_time--) - break; - val = readl(lnw->iotg.base + CI_PORTSC1); - val &= PORTSC_LS; - } while (!val); - - dev_dbg(lnw->dev, "%s <---\n", __func__); - return val; -} - -/* The timeout callback function to set time out bit */ -static void set_tmout(unsigned long indicator) -{ - *(int *)indicator = 1; -} - -void langwell_otg_nsf_msg(unsigned long indicator) -{ - struct langwell_otg *lnw = the_transceiver; - - switch (indicator) { - case 2: - case 4: - case 6: - case 7: - dev_warn(lnw->dev, - "OTG:NSF-%lu - deivce not responding\n", indicator); - break; - case 3: - dev_warn(lnw->dev, - "OTG:NSF-%lu - deivce not supported\n", indicator); - break; - default: - dev_warn(lnw->dev, "Do not have this kind of NSF\n"); - break; - } -} - -/* Initialize timers */ -static int langwell_otg_init_timers(struct otg_hsm *hsm) -{ - /* HSM used timers */ - a_wait_vrise_tmr = otg_timer_initializer(&set_tmout, TA_WAIT_VRISE, - (unsigned long)&hsm->a_wait_vrise_tmout); - if (a_wait_vrise_tmr == NULL) - return -ENOMEM; - a_aidl_bdis_tmr = otg_timer_initializer(&set_tmout, TA_AIDL_BDIS, - (unsigned long)&hsm->a_aidl_bdis_tmout); - if (a_aidl_bdis_tmr == NULL) - return -ENOMEM; - b_se0_srp_tmr = otg_timer_initializer(&set_tmout, TB_SE0_SRP, - (unsigned long)&hsm->b_se0_srp); - if (b_se0_srp_tmr == NULL) - return -ENOMEM; - b_srp_init_tmr = otg_timer_initializer(&set_tmout, TB_SRP_INIT, - (unsigned long)&hsm->b_srp_init_tmout); - if (b_srp_init_tmr == NULL) - return -ENOMEM; - - return 0; -} - -/* Free timers */ -static void langwell_otg_free_timers(void) -{ - kfree(a_wait_vrise_tmr); - kfree(a_aidl_bdis_tmr); - kfree(b_se0_srp_tmr); - kfree(b_srp_init_tmr); -} - -/* The timeout callback function to set time out bit */ -static void langwell_otg_timer_fn(unsigned long indicator) -{ - struct langwell_otg *lnw = the_transceiver; - - *(int *)indicator = 1; - - dev_dbg(lnw->dev, "kernel timer - timeout\n"); - - langwell_update_transceiver(); -} - -/* kernel timer used instead of HW based interrupt */ -static void langwell_otg_add_ktimer(enum langwell_otg_timer_type timers) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - unsigned long j = jiffies; - unsigned long data, time; - - switch (timers) { - case TA_WAIT_VRISE_TMR: - iotg->hsm.a_wait_vrise_tmout = 0; - data = (unsigned long)&iotg->hsm.a_wait_vrise_tmout; - time = TA_WAIT_VRISE; - break; - case TA_WAIT_BCON_TMR: - iotg->hsm.a_wait_bcon_tmout = 0; - data = (unsigned long)&iotg->hsm.a_wait_bcon_tmout; - time = TA_WAIT_BCON; - break; - case TA_AIDL_BDIS_TMR: - iotg->hsm.a_aidl_bdis_tmout = 0; - data = (unsigned long)&iotg->hsm.a_aidl_bdis_tmout; - time = TA_AIDL_BDIS; - break; - case TB_ASE0_BRST_TMR: - iotg->hsm.b_ase0_brst_tmout = 0; - data = (unsigned long)&iotg->hsm.b_ase0_brst_tmout; - time = TB_ASE0_BRST; - break; - case TB_SRP_INIT_TMR: - iotg->hsm.b_srp_init_tmout = 0; - data = (unsigned long)&iotg->hsm.b_srp_init_tmout; - time = TB_SRP_INIT; - break; - case TB_SRP_FAIL_TMR: - iotg->hsm.b_srp_fail_tmout = 0; - data = (unsigned long)&iotg->hsm.b_srp_fail_tmout; - time = TB_SRP_FAIL; - break; - case TB_BUS_SUSPEND_TMR: - iotg->hsm.b_bus_suspend_tmout = 0; - data = (unsigned long)&iotg->hsm.b_bus_suspend_tmout; - time = TB_BUS_SUSPEND; - break; - default: - dev_dbg(lnw->dev, "unknown timer, cannot enable it\n"); - return; - } - - lnw->hsm_timer.data = data; - lnw->hsm_timer.function = langwell_otg_timer_fn; - lnw->hsm_timer.expires = j + time * HZ / 1000; /* milliseconds */ - - add_timer(&lnw->hsm_timer); - - dev_dbg(lnw->dev, "add timer successfully\n"); -} - -/* Add timer to timer list */ -static void langwell_otg_add_timer(void *gtimer) -{ - struct langwell_otg_timer *timer = (struct langwell_otg_timer *)gtimer; - struct langwell_otg_timer *tmp_timer; - struct intel_mid_otg_xceiv *iotg = &the_transceiver->iotg; - u32 val32; - - /* Check if the timer is already in the active list, - * if so update timer count - */ - list_for_each_entry(tmp_timer, &active_timers, list) - if (tmp_timer == timer) { - timer->count = timer->expires; - return; - } - timer->count = timer->expires; - - if (list_empty(&active_timers)) { - val32 = readl(iotg->base + CI_OTGSC); - writel(val32 | OTGSC_1MSE, iotg->base + CI_OTGSC); - } - - list_add_tail(&timer->list, &active_timers); -} - -/* Remove timer from the timer list; clear timeout status */ -static void langwell_otg_del_timer(void *gtimer) -{ - struct langwell_otg *lnw = the_transceiver; - struct langwell_otg_timer *timer = (struct langwell_otg_timer *)gtimer; - struct langwell_otg_timer *tmp_timer, *del_tmp; - u32 val32; - - list_for_each_entry_safe(tmp_timer, del_tmp, &active_timers, list) - if (tmp_timer == timer) - list_del(&timer->list); - - if (list_empty(&active_timers)) { - val32 = readl(lnw->iotg.base + CI_OTGSC); - writel(val32 & ~OTGSC_1MSE, lnw->iotg.base + CI_OTGSC); - } -} - -/* Reduce timer count by 1, and find timeout conditions.*/ -static int langwell_otg_tick_timer(u32 *int_sts) -{ - struct langwell_otg *lnw = the_transceiver; - struct langwell_otg_timer *tmp_timer, *del_tmp; - int expired = 0; - - list_for_each_entry_safe(tmp_timer, del_tmp, &active_timers, list) { - tmp_timer->count--; - /* check if timer expires */ - if (!tmp_timer->count) { - list_del(&tmp_timer->list); - tmp_timer->function(tmp_timer->data); - expired = 1; - } - } - - if (list_empty(&active_timers)) { - dev_dbg(lnw->dev, "tick timer: disable 1ms int\n"); - *int_sts = *int_sts & ~OTGSC_1MSE; - } - return expired; -} - -static void reset_otg(void) -{ - struct langwell_otg *lnw = the_transceiver; - int delay_time = 1000; - u32 val; - - dev_dbg(lnw->dev, "reseting OTG controller ...\n"); - val = readl(lnw->iotg.base + CI_USBCMD); - writel(val | USBCMD_RST, lnw->iotg.base + CI_USBCMD); - do { - udelay(100); - if (!delay_time--) - dev_dbg(lnw->dev, "reset timeout\n"); - val = readl(lnw->iotg.base + CI_USBCMD); - val &= USBCMD_RST; - } while (val != 0); - dev_dbg(lnw->dev, "reset done.\n"); -} - -static void set_host_mode(void) -{ - struct langwell_otg *lnw = the_transceiver; - u32 val; - - reset_otg(); - val = readl(lnw->iotg.base + CI_USBMODE); - val = (val & (~USBMODE_CM)) | USBMODE_HOST; - writel(val, lnw->iotg.base + CI_USBMODE); -} - -static void set_client_mode(void) -{ - struct langwell_otg *lnw = the_transceiver; - u32 val; - - reset_otg(); - val = readl(lnw->iotg.base + CI_USBMODE); - val = (val & (~USBMODE_CM)) | USBMODE_DEVICE; - writel(val, lnw->iotg.base + CI_USBMODE); -} - -static void init_hsm(void) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - u32 val32; - - /* read OTGSC after reset */ - val32 = readl(lnw->iotg.base + CI_OTGSC); - dev_dbg(lnw->dev, "%s: OTGSC init value = 0x%x\n", __func__, val32); - - /* set init state */ - if (val32 & OTGSC_ID) { - iotg->hsm.id = 1; - iotg->otg.default_a = 0; - set_client_mode(); - iotg->otg.state = OTG_STATE_B_IDLE; - } else { - iotg->hsm.id = 0; - iotg->otg.default_a = 1; - set_host_mode(); - iotg->otg.state = OTG_STATE_A_IDLE; - } - - /* set session indicator */ - if (val32 & OTGSC_BSE) - iotg->hsm.b_sess_end = 1; - if (val32 & OTGSC_BSV) - iotg->hsm.b_sess_vld = 1; - if (val32 & OTGSC_ASV) - iotg->hsm.a_sess_vld = 1; - if (val32 & OTGSC_AVV) - iotg->hsm.a_vbus_vld = 1; - - /* defautly power the bus */ - iotg->hsm.a_bus_req = 1; - iotg->hsm.a_bus_drop = 0; - /* defautly don't request bus as B device */ - iotg->hsm.b_bus_req = 0; - /* no system error */ - iotg->hsm.a_clr_err = 0; - - langwell_otg_phy_low_power_wait(1); -} - -static void update_hsm(void) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - u32 val32; - - /* read OTGSC */ - val32 = readl(lnw->iotg.base + CI_OTGSC); - dev_dbg(lnw->dev, "%s: OTGSC value = 0x%x\n", __func__, val32); - - iotg->hsm.id = !!(val32 & OTGSC_ID); - iotg->hsm.b_sess_end = !!(val32 & OTGSC_BSE); - iotg->hsm.b_sess_vld = !!(val32 & OTGSC_BSV); - iotg->hsm.a_sess_vld = !!(val32 & OTGSC_ASV); - iotg->hsm.a_vbus_vld = !!(val32 & OTGSC_AVV); -} - -static irqreturn_t otg_dummy_irq(int irq, void *_dev) -{ - struct langwell_otg *lnw = the_transceiver; - void __iomem *reg_base = _dev; - u32 val; - u32 int_mask = 0; - - val = readl(reg_base + CI_USBMODE); - if ((val & USBMODE_CM) != USBMODE_DEVICE) - return IRQ_NONE; - - val = readl(reg_base + CI_USBSTS); - int_mask = val & INTR_DUMMY_MASK; - - if (int_mask == 0) - return IRQ_NONE; - - /* clear hsm.b_conn here since host driver can't detect it - * otg_dummy_irq called means B-disconnect happened. - */ - if (lnw->iotg.hsm.b_conn) { - lnw->iotg.hsm.b_conn = 0; - if (spin_trylock(&lnw->wq_lock)) { - langwell_update_transceiver(); - spin_unlock(&lnw->wq_lock); - } - } - - /* Clear interrupts */ - writel(int_mask, reg_base + CI_USBSTS); - return IRQ_HANDLED; -} - -static irqreturn_t otg_irq(int irq, void *_dev) -{ - struct langwell_otg *lnw = _dev; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - u32 int_sts, int_en; - u32 int_mask = 0; - int flag = 0; - - int_sts = readl(lnw->iotg.base + CI_OTGSC); - int_en = (int_sts & OTGSC_INTEN_MASK) >> 8; - int_mask = int_sts & int_en; - if (int_mask == 0) - return IRQ_NONE; - - if (int_mask & OTGSC_IDIS) { - dev_dbg(lnw->dev, "%s: id change int\n", __func__); - iotg->hsm.id = (int_sts & OTGSC_ID) ? 1 : 0; - dev_dbg(lnw->dev, "id = %d\n", iotg->hsm.id); - flag = 1; - } - if (int_mask & OTGSC_DPIS) { - dev_dbg(lnw->dev, "%s: data pulse int\n", __func__); - iotg->hsm.a_srp_det = (int_sts & OTGSC_DPS) ? 1 : 0; - dev_dbg(lnw->dev, "data pulse = %d\n", iotg->hsm.a_srp_det); - flag = 1; - } - if (int_mask & OTGSC_BSEIS) { - dev_dbg(lnw->dev, "%s: b session end int\n", __func__); - iotg->hsm.b_sess_end = (int_sts & OTGSC_BSE) ? 1 : 0; - dev_dbg(lnw->dev, "b_sess_end = %d\n", iotg->hsm.b_sess_end); - flag = 1; - } - if (int_mask & OTGSC_BSVIS) { - dev_dbg(lnw->dev, "%s: b session valid int\n", __func__); - iotg->hsm.b_sess_vld = (int_sts & OTGSC_BSV) ? 1 : 0; - dev_dbg(lnw->dev, "b_sess_vld = %d\n", iotg->hsm.b_sess_end); - flag = 1; - } - if (int_mask & OTGSC_ASVIS) { - dev_dbg(lnw->dev, "%s: a session valid int\n", __func__); - iotg->hsm.a_sess_vld = (int_sts & OTGSC_ASV) ? 1 : 0; - dev_dbg(lnw->dev, "a_sess_vld = %d\n", iotg->hsm.a_sess_vld); - flag = 1; - } - if (int_mask & OTGSC_AVVIS) { - dev_dbg(lnw->dev, "%s: a vbus valid int\n", __func__); - iotg->hsm.a_vbus_vld = (int_sts & OTGSC_AVV) ? 1 : 0; - dev_dbg(lnw->dev, "a_vbus_vld = %d\n", iotg->hsm.a_vbus_vld); - flag = 1; - } - - if (int_mask & OTGSC_1MSS) { - /* need to schedule otg_work if any timer is expired */ - if (langwell_otg_tick_timer(&int_sts)) - flag = 1; - } - - writel((int_sts & ~OTGSC_INTSTS_MASK) | int_mask, - lnw->iotg.base + CI_OTGSC); - if (flag) - langwell_update_transceiver(); - - return IRQ_HANDLED; -} - -static int langwell_otg_iotg_notify(struct notifier_block *nb, - unsigned long action, void *data) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = data; - int flag = 0; - - if (iotg == NULL) - return NOTIFY_BAD; - - if (lnw == NULL) - return NOTIFY_BAD; - - switch (action) { - case MID_OTG_NOTIFY_CONNECT: - dev_dbg(lnw->dev, "Lnw OTG Notify Connect Event\n"); - if (iotg->otg.default_a == 1) - iotg->hsm.b_conn = 1; - else - iotg->hsm.a_conn = 1; - flag = 1; - break; - case MID_OTG_NOTIFY_DISCONN: - dev_dbg(lnw->dev, "Lnw OTG Notify Disconnect Event\n"); - if (iotg->otg.default_a == 1) - iotg->hsm.b_conn = 0; - else - iotg->hsm.a_conn = 0; - flag = 1; - break; - case MID_OTG_NOTIFY_HSUSPEND: - dev_dbg(lnw->dev, "Lnw OTG Notify Host Bus suspend Event\n"); - if (iotg->otg.default_a == 1) - iotg->hsm.a_suspend_req = 1; - else - iotg->hsm.b_bus_req = 0; - flag = 1; - break; - case MID_OTG_NOTIFY_HRESUME: - dev_dbg(lnw->dev, "Lnw OTG Notify Host Bus resume Event\n"); - if (iotg->otg.default_a == 1) - iotg->hsm.b_bus_resume = 1; - flag = 1; - break; - case MID_OTG_NOTIFY_CSUSPEND: - dev_dbg(lnw->dev, "Lnw OTG Notify Client Bus suspend Event\n"); - if (iotg->otg.default_a == 1) { - if (iotg->hsm.b_bus_suspend_vld == 2) { - iotg->hsm.b_bus_suspend = 1; - iotg->hsm.b_bus_suspend_vld = 0; - flag = 1; - } else { - iotg->hsm.b_bus_suspend_vld++; - flag = 0; - } - } else { - if (iotg->hsm.a_bus_suspend == 0) { - iotg->hsm.a_bus_suspend = 1; - flag = 1; - } - } - break; - case MID_OTG_NOTIFY_CRESUME: - dev_dbg(lnw->dev, "Lnw OTG Notify Client Bus resume Event\n"); - if (iotg->otg.default_a == 0) - iotg->hsm.a_bus_suspend = 0; - flag = 0; - break; - case MID_OTG_NOTIFY_HOSTADD: - dev_dbg(lnw->dev, "Lnw OTG Nofity Host Driver Add\n"); - flag = 1; - break; - case MID_OTG_NOTIFY_HOSTREMOVE: - dev_dbg(lnw->dev, "Lnw OTG Nofity Host Driver remove\n"); - flag = 1; - break; - case MID_OTG_NOTIFY_CLIENTADD: - dev_dbg(lnw->dev, "Lnw OTG Nofity Client Driver Add\n"); - flag = 1; - break; - case MID_OTG_NOTIFY_CLIENTREMOVE: - dev_dbg(lnw->dev, "Lnw OTG Nofity Client Driver remove\n"); - flag = 1; - break; - default: - dev_dbg(lnw->dev, "Lnw OTG Nofity unknown notify message\n"); - return NOTIFY_DONE; - } - - if (flag) - langwell_update_transceiver(); - - return NOTIFY_OK; -} - -static void langwell_otg_work(struct work_struct *work) -{ - struct langwell_otg *lnw; - struct intel_mid_otg_xceiv *iotg; - int retval; - struct pci_dev *pdev; - - lnw = container_of(work, struct langwell_otg, work); - iotg = &lnw->iotg; - pdev = to_pci_dev(lnw->dev); - - dev_dbg(lnw->dev, "%s: old state = %s\n", __func__, - otg_state_string(iotg->otg.state)); - - switch (iotg->otg.state) { - case OTG_STATE_UNDEFINED: - case OTG_STATE_B_IDLE: - if (!iotg->hsm.id) { - langwell_otg_del_timer(b_srp_init_tmr); - del_timer_sync(&lnw->hsm_timer); - - iotg->otg.default_a = 1; - iotg->hsm.a_srp_det = 0; - - langwell_otg_chrg_vbus(0); - set_host_mode(); - langwell_otg_phy_low_power(1); - - iotg->otg.state = OTG_STATE_A_IDLE; - langwell_update_transceiver(); - } else if (iotg->hsm.b_sess_vld) { - langwell_otg_del_timer(b_srp_init_tmr); - del_timer_sync(&lnw->hsm_timer); - iotg->hsm.b_sess_end = 0; - iotg->hsm.a_bus_suspend = 0; - langwell_otg_chrg_vbus(0); - - if (lnw->iotg.start_peripheral) { - lnw->iotg.start_peripheral(&lnw->iotg); - iotg->otg.state = OTG_STATE_B_PERIPHERAL; - } else - dev_dbg(lnw->dev, "client driver not loaded\n"); - - } else if (iotg->hsm.b_srp_init_tmout) { - iotg->hsm.b_srp_init_tmout = 0; - dev_warn(lnw->dev, "SRP init timeout\n"); - } else if (iotg->hsm.b_srp_fail_tmout) { - iotg->hsm.b_srp_fail_tmout = 0; - iotg->hsm.b_bus_req = 0; - - /* No silence failure */ - langwell_otg_nsf_msg(6); - } else if (iotg->hsm.b_bus_req && iotg->hsm.b_sess_end) { - del_timer_sync(&lnw->hsm_timer); - /* workaround for b_se0_srp detection */ - retval = langwell_otg_check_se0_srp(0); - if (retval) { - iotg->hsm.b_bus_req = 0; - dev_dbg(lnw->dev, "LS isn't SE0, try later\n"); - } else { - /* clear the PHCD before start srp */ - langwell_otg_phy_low_power(0); - - /* Start SRP */ - langwell_otg_add_timer(b_srp_init_tmr); - iotg->otg.start_srp(&iotg->otg); - langwell_otg_del_timer(b_srp_init_tmr); - langwell_otg_add_ktimer(TB_SRP_FAIL_TMR); - - /* reset PHY low power mode here */ - langwell_otg_phy_low_power_wait(1); - } - } - break; - case OTG_STATE_B_SRP_INIT: - if (!iotg->hsm.id) { - iotg->otg.default_a = 1; - iotg->hsm.a_srp_det = 0; - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - langwell_otg_chrg_vbus(0); - set_host_mode(); - langwell_otg_phy_low_power(1); - iotg->otg.state = OTG_STATE_A_IDLE; - langwell_update_transceiver(); - } else if (iotg->hsm.b_sess_vld) { - langwell_otg_chrg_vbus(0); - if (lnw->iotg.start_peripheral) { - lnw->iotg.start_peripheral(&lnw->iotg); - iotg->otg.state = OTG_STATE_B_PERIPHERAL; - } else - dev_dbg(lnw->dev, "client driver not loaded\n"); - } - break; - case OTG_STATE_B_PERIPHERAL: - if (!iotg->hsm.id) { - iotg->otg.default_a = 1; - iotg->hsm.a_srp_det = 0; - - langwell_otg_chrg_vbus(0); - - if (lnw->iotg.stop_peripheral) - lnw->iotg.stop_peripheral(&lnw->iotg); - else - dev_dbg(lnw->dev, - "client driver has been removed.\n"); - - set_host_mode(); - langwell_otg_phy_low_power(1); - iotg->otg.state = OTG_STATE_A_IDLE; - langwell_update_transceiver(); - } else if (!iotg->hsm.b_sess_vld) { - iotg->hsm.b_hnp_enable = 0; - - if (lnw->iotg.stop_peripheral) - lnw->iotg.stop_peripheral(&lnw->iotg); - else - dev_dbg(lnw->dev, - "client driver has been removed.\n"); - - iotg->otg.state = OTG_STATE_B_IDLE; - } else if (iotg->hsm.b_bus_req && iotg->otg.gadget && - iotg->otg.gadget->b_hnp_enable && - iotg->hsm.a_bus_suspend) { - - if (lnw->iotg.stop_peripheral) - lnw->iotg.stop_peripheral(&lnw->iotg); - else - dev_dbg(lnw->dev, - "client driver has been removed.\n"); - - langwell_otg_HAAR(1); - iotg->hsm.a_conn = 0; - - if (lnw->iotg.start_host) { - lnw->iotg.start_host(&lnw->iotg); - iotg->otg.state = OTG_STATE_B_WAIT_ACON; - } else - dev_dbg(lnw->dev, - "host driver not loaded.\n"); - - iotg->hsm.a_bus_resume = 0; - langwell_otg_add_ktimer(TB_ASE0_BRST_TMR); - } - break; - - case OTG_STATE_B_WAIT_ACON: - if (!iotg->hsm.id) { - /* delete hsm timer for b_ase0_brst_tmr */ - del_timer_sync(&lnw->hsm_timer); - - iotg->otg.default_a = 1; - iotg->hsm.a_srp_det = 0; - - langwell_otg_chrg_vbus(0); - - langwell_otg_HAAR(0); - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - set_host_mode(); - langwell_otg_phy_low_power(1); - iotg->otg.state = OTG_STATE_A_IDLE; - langwell_update_transceiver(); - } else if (!iotg->hsm.b_sess_vld) { - /* delete hsm timer for b_ase0_brst_tmr */ - del_timer_sync(&lnw->hsm_timer); - - iotg->hsm.b_hnp_enable = 0; - iotg->hsm.b_bus_req = 0; - - langwell_otg_chrg_vbus(0); - langwell_otg_HAAR(0); - - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - set_client_mode(); - langwell_otg_phy_low_power(1); - iotg->otg.state = OTG_STATE_B_IDLE; - } else if (iotg->hsm.a_conn) { - /* delete hsm timer for b_ase0_brst_tmr */ - del_timer_sync(&lnw->hsm_timer); - - langwell_otg_HAAR(0); - iotg->otg.state = OTG_STATE_B_HOST; - langwell_update_transceiver(); - } else if (iotg->hsm.a_bus_resume || - iotg->hsm.b_ase0_brst_tmout) { - /* delete hsm timer for b_ase0_brst_tmr */ - del_timer_sync(&lnw->hsm_timer); - - langwell_otg_HAAR(0); - langwell_otg_nsf_msg(7); - - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - iotg->hsm.a_bus_suspend = 0; - iotg->hsm.b_bus_req = 0; - - if (lnw->iotg.start_peripheral) - lnw->iotg.start_peripheral(&lnw->iotg); - else - dev_dbg(lnw->dev, - "client driver not loaded.\n"); - - iotg->otg.state = OTG_STATE_B_PERIPHERAL; - } - break; - - case OTG_STATE_B_HOST: - if (!iotg->hsm.id) { - iotg->otg.default_a = 1; - iotg->hsm.a_srp_det = 0; - - langwell_otg_chrg_vbus(0); - - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - set_host_mode(); - langwell_otg_phy_low_power(1); - iotg->otg.state = OTG_STATE_A_IDLE; - langwell_update_transceiver(); - } else if (!iotg->hsm.b_sess_vld) { - iotg->hsm.b_hnp_enable = 0; - iotg->hsm.b_bus_req = 0; - - langwell_otg_chrg_vbus(0); - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - set_client_mode(); - langwell_otg_phy_low_power(1); - iotg->otg.state = OTG_STATE_B_IDLE; - } else if ((!iotg->hsm.b_bus_req) || - (!iotg->hsm.a_conn)) { - iotg->hsm.b_bus_req = 0; - langwell_otg_loc_sof(0); - - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - iotg->hsm.a_bus_suspend = 0; - - if (lnw->iotg.start_peripheral) - lnw->iotg.start_peripheral(&lnw->iotg); - else - dev_dbg(lnw->dev, - "client driver not loaded.\n"); - - iotg->otg.state = OTG_STATE_B_PERIPHERAL; - } - break; - - case OTG_STATE_A_IDLE: - iotg->otg.default_a = 1; - if (iotg->hsm.id) { - iotg->otg.default_a = 0; - iotg->hsm.b_bus_req = 0; - iotg->hsm.vbus_srp_up = 0; - - langwell_otg_chrg_vbus(0); - set_client_mode(); - langwell_otg_phy_low_power(1); - iotg->otg.state = OTG_STATE_B_IDLE; - langwell_update_transceiver(); - } else if (!iotg->hsm.a_bus_drop && - (iotg->hsm.a_srp_det || iotg->hsm.a_bus_req)) { - langwell_otg_phy_low_power(0); - - /* Turn on VBus */ - iotg->otg.set_vbus(&iotg->otg, true); - - iotg->hsm.vbus_srp_up = 0; - iotg->hsm.a_wait_vrise_tmout = 0; - langwell_otg_add_timer(a_wait_vrise_tmr); - iotg->otg.state = OTG_STATE_A_WAIT_VRISE; - langwell_update_transceiver(); - } else if (!iotg->hsm.a_bus_drop && iotg->hsm.a_sess_vld) { - iotg->hsm.vbus_srp_up = 1; - } else if (!iotg->hsm.a_sess_vld && iotg->hsm.vbus_srp_up) { - msleep(10); - langwell_otg_phy_low_power(0); - - /* Turn on VBus */ - iotg->otg.set_vbus(&iotg->otg, true); - iotg->hsm.a_srp_det = 1; - iotg->hsm.vbus_srp_up = 0; - iotg->hsm.a_wait_vrise_tmout = 0; - langwell_otg_add_timer(a_wait_vrise_tmr); - iotg->otg.state = OTG_STATE_A_WAIT_VRISE; - langwell_update_transceiver(); - } else if (!iotg->hsm.a_sess_vld && - !iotg->hsm.vbus_srp_up) { - langwell_otg_phy_low_power(1); - } - break; - case OTG_STATE_A_WAIT_VRISE: - if (iotg->hsm.id) { - langwell_otg_del_timer(a_wait_vrise_tmr); - iotg->hsm.b_bus_req = 0; - iotg->otg.default_a = 0; - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - set_client_mode(); - langwell_otg_phy_low_power_wait(1); - iotg->otg.state = OTG_STATE_B_IDLE; - } else if (iotg->hsm.a_vbus_vld) { - langwell_otg_del_timer(a_wait_vrise_tmr); - iotg->hsm.b_conn = 0; - if (lnw->iotg.start_host) - lnw->iotg.start_host(&lnw->iotg); - else { - dev_dbg(lnw->dev, "host driver not loaded.\n"); - break; - } - - langwell_otg_add_ktimer(TA_WAIT_BCON_TMR); - iotg->otg.state = OTG_STATE_A_WAIT_BCON; - } else if (iotg->hsm.a_wait_vrise_tmout) { - iotg->hsm.b_conn = 0; - if (iotg->hsm.a_vbus_vld) { - if (lnw->iotg.start_host) - lnw->iotg.start_host(&lnw->iotg); - else { - dev_dbg(lnw->dev, - "host driver not loaded.\n"); - break; - } - langwell_otg_add_ktimer(TA_WAIT_BCON_TMR); - iotg->otg.state = OTG_STATE_A_WAIT_BCON; - } else { - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - langwell_otg_phy_low_power_wait(1); - iotg->otg.state = OTG_STATE_A_VBUS_ERR; - } - } - break; - case OTG_STATE_A_WAIT_BCON: - if (iotg->hsm.id) { - /* delete hsm timer for a_wait_bcon_tmr */ - del_timer_sync(&lnw->hsm_timer); - - iotg->otg.default_a = 0; - iotg->hsm.b_bus_req = 0; - - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - set_client_mode(); - langwell_otg_phy_low_power_wait(1); - iotg->otg.state = OTG_STATE_B_IDLE; - langwell_update_transceiver(); - } else if (!iotg->hsm.a_vbus_vld) { - /* delete hsm timer for a_wait_bcon_tmr */ - del_timer_sync(&lnw->hsm_timer); - - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - langwell_otg_phy_low_power_wait(1); - iotg->otg.state = OTG_STATE_A_VBUS_ERR; - } else if (iotg->hsm.a_bus_drop || - (iotg->hsm.a_wait_bcon_tmout && - !iotg->hsm.a_bus_req)) { - /* delete hsm timer for a_wait_bcon_tmr */ - del_timer_sync(&lnw->hsm_timer); - - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - iotg->otg.state = OTG_STATE_A_WAIT_VFALL; - } else if (iotg->hsm.b_conn) { - /* delete hsm timer for a_wait_bcon_tmr */ - del_timer_sync(&lnw->hsm_timer); - - iotg->hsm.a_suspend_req = 0; - iotg->otg.state = OTG_STATE_A_HOST; - if (iotg->hsm.a_srp_det && iotg->otg.host && - !iotg->otg.host->b_hnp_enable) { - /* SRP capable peripheral-only device */ - iotg->hsm.a_bus_req = 1; - iotg->hsm.a_srp_det = 0; - } else if (!iotg->hsm.a_bus_req && iotg->otg.host && - iotg->otg.host->b_hnp_enable) { - /* It is not safe enough to do a fast - * transition from A_WAIT_BCON to - * A_SUSPEND */ - msleep(10000); - if (iotg->hsm.a_bus_req) - break; - - if (request_irq(pdev->irq, - otg_dummy_irq, IRQF_SHARED, - driver_name, iotg->base) != 0) { - dev_dbg(lnw->dev, - "request interrupt %d fail\n", - pdev->irq); - } - - langwell_otg_HABA(1); - iotg->hsm.b_bus_resume = 0; - iotg->hsm.a_aidl_bdis_tmout = 0; - - langwell_otg_loc_sof(0); - /* clear PHCD to enable HW timer */ - langwell_otg_phy_low_power(0); - langwell_otg_add_timer(a_aidl_bdis_tmr); - iotg->otg.state = OTG_STATE_A_SUSPEND; - } else if (!iotg->hsm.a_bus_req && iotg->otg.host && - !iotg->otg.host->b_hnp_enable) { - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver removed.\n"); - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - iotg->otg.state = OTG_STATE_A_WAIT_VFALL; - } - } - break; - case OTG_STATE_A_HOST: - if (iotg->hsm.id) { - iotg->otg.default_a = 0; - iotg->hsm.b_bus_req = 0; - - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - set_client_mode(); - langwell_otg_phy_low_power_wait(1); - iotg->otg.state = OTG_STATE_B_IDLE; - langwell_update_transceiver(); - } else if (iotg->hsm.a_bus_drop || - (iotg->otg.host && - !iotg->otg.host->b_hnp_enable && - !iotg->hsm.a_bus_req)) { - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - iotg->otg.state = OTG_STATE_A_WAIT_VFALL; - } else if (!iotg->hsm.a_vbus_vld) { - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - langwell_otg_phy_low_power_wait(1); - iotg->otg.state = OTG_STATE_A_VBUS_ERR; - } else if (iotg->otg.host && - iotg->otg.host->b_hnp_enable && - !iotg->hsm.a_bus_req) { - /* Set HABA to enable hardware assistance to signal - * A-connect after receiver B-disconnect. Hardware - * will then set client mode and enable URE, SLE and - * PCE after the assistance. otg_dummy_irq is used to - * clean these ints when client driver is not resumed. - */ - if (request_irq(pdev->irq, otg_dummy_irq, IRQF_SHARED, - driver_name, iotg->base) != 0) { - dev_dbg(lnw->dev, - "request interrupt %d failed\n", - pdev->irq); - } - - /* set HABA */ - langwell_otg_HABA(1); - iotg->hsm.b_bus_resume = 0; - iotg->hsm.a_aidl_bdis_tmout = 0; - langwell_otg_loc_sof(0); - /* clear PHCD to enable HW timer */ - langwell_otg_phy_low_power(0); - langwell_otg_add_timer(a_aidl_bdis_tmr); - iotg->otg.state = OTG_STATE_A_SUSPEND; - } else if (!iotg->hsm.b_conn || !iotg->hsm.a_bus_req) { - langwell_otg_add_ktimer(TA_WAIT_BCON_TMR); - iotg->otg.state = OTG_STATE_A_WAIT_BCON; - } - break; - case OTG_STATE_A_SUSPEND: - if (iotg->hsm.id) { - langwell_otg_del_timer(a_aidl_bdis_tmr); - langwell_otg_HABA(0); - free_irq(pdev->irq, iotg->base); - iotg->otg.default_a = 0; - iotg->hsm.b_bus_req = 0; - - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - set_client_mode(); - langwell_otg_phy_low_power(1); - iotg->otg.state = OTG_STATE_B_IDLE; - langwell_update_transceiver(); - } else if (iotg->hsm.a_bus_req || - iotg->hsm.b_bus_resume) { - langwell_otg_del_timer(a_aidl_bdis_tmr); - langwell_otg_HABA(0); - free_irq(pdev->irq, iotg->base); - iotg->hsm.a_suspend_req = 0; - langwell_otg_loc_sof(1); - iotg->otg.state = OTG_STATE_A_HOST; - } else if (iotg->hsm.a_aidl_bdis_tmout || - iotg->hsm.a_bus_drop) { - langwell_otg_del_timer(a_aidl_bdis_tmr); - langwell_otg_HABA(0); - free_irq(pdev->irq, iotg->base); - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - iotg->otg.state = OTG_STATE_A_WAIT_VFALL; - } else if (!iotg->hsm.b_conn && iotg->otg.host && - iotg->otg.host->b_hnp_enable) { - langwell_otg_del_timer(a_aidl_bdis_tmr); - langwell_otg_HABA(0); - free_irq(pdev->irq, iotg->base); - - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - iotg->hsm.b_bus_suspend = 0; - iotg->hsm.b_bus_suspend_vld = 0; - - /* msleep(200); */ - if (lnw->iotg.start_peripheral) - lnw->iotg.start_peripheral(&lnw->iotg); - else - dev_dbg(lnw->dev, - "client driver not loaded.\n"); - - langwell_otg_add_ktimer(TB_BUS_SUSPEND_TMR); - iotg->otg.state = OTG_STATE_A_PERIPHERAL; - break; - } else if (!iotg->hsm.a_vbus_vld) { - langwell_otg_del_timer(a_aidl_bdis_tmr); - langwell_otg_HABA(0); - free_irq(pdev->irq, iotg->base); - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver has been removed.\n"); - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - langwell_otg_phy_low_power_wait(1); - iotg->otg.state = OTG_STATE_A_VBUS_ERR; - } - break; - case OTG_STATE_A_PERIPHERAL: - if (iotg->hsm.id) { - /* delete hsm timer for b_bus_suspend_tmr */ - del_timer_sync(&lnw->hsm_timer); - iotg->otg.default_a = 0; - iotg->hsm.b_bus_req = 0; - if (lnw->iotg.stop_peripheral) - lnw->iotg.stop_peripheral(&lnw->iotg); - else - dev_dbg(lnw->dev, - "client driver has been removed.\n"); - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - set_client_mode(); - langwell_otg_phy_low_power_wait(1); - iotg->otg.state = OTG_STATE_B_IDLE; - langwell_update_transceiver(); - } else if (!iotg->hsm.a_vbus_vld) { - /* delete hsm timer for b_bus_suspend_tmr */ - del_timer_sync(&lnw->hsm_timer); - - if (lnw->iotg.stop_peripheral) - lnw->iotg.stop_peripheral(&lnw->iotg); - else - dev_dbg(lnw->dev, - "client driver has been removed.\n"); - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - langwell_otg_phy_low_power_wait(1); - iotg->otg.state = OTG_STATE_A_VBUS_ERR; - } else if (iotg->hsm.a_bus_drop) { - /* delete hsm timer for b_bus_suspend_tmr */ - del_timer_sync(&lnw->hsm_timer); - - if (lnw->iotg.stop_peripheral) - lnw->iotg.stop_peripheral(&lnw->iotg); - else - dev_dbg(lnw->dev, - "client driver has been removed.\n"); - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - iotg->otg.state = OTG_STATE_A_WAIT_VFALL; - } else if (iotg->hsm.b_bus_suspend) { - /* delete hsm timer for b_bus_suspend_tmr */ - del_timer_sync(&lnw->hsm_timer); - - if (lnw->iotg.stop_peripheral) - lnw->iotg.stop_peripheral(&lnw->iotg); - else - dev_dbg(lnw->dev, - "client driver has been removed.\n"); - - if (lnw->iotg.start_host) - lnw->iotg.start_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver not loaded.\n"); - langwell_otg_add_ktimer(TA_WAIT_BCON_TMR); - iotg->otg.state = OTG_STATE_A_WAIT_BCON; - } else if (iotg->hsm.b_bus_suspend_tmout) { - u32 val; - val = readl(lnw->iotg.base + CI_PORTSC1); - if (!(val & PORTSC_SUSP)) - break; - - if (lnw->iotg.stop_peripheral) - lnw->iotg.stop_peripheral(&lnw->iotg); - else - dev_dbg(lnw->dev, - "client driver has been removed.\n"); - - if (lnw->iotg.start_host) - lnw->iotg.start_host(&lnw->iotg); - else - dev_dbg(lnw->dev, - "host driver not loaded.\n"); - langwell_otg_add_ktimer(TA_WAIT_BCON_TMR); - iotg->otg.state = OTG_STATE_A_WAIT_BCON; - } - break; - case OTG_STATE_A_VBUS_ERR: - if (iotg->hsm.id) { - iotg->otg.default_a = 0; - iotg->hsm.a_clr_err = 0; - iotg->hsm.a_srp_det = 0; - set_client_mode(); - langwell_otg_phy_low_power(1); - iotg->otg.state = OTG_STATE_B_IDLE; - langwell_update_transceiver(); - } else if (iotg->hsm.a_clr_err) { - iotg->hsm.a_clr_err = 0; - iotg->hsm.a_srp_det = 0; - reset_otg(); - init_hsm(); - if (iotg->otg.state == OTG_STATE_A_IDLE) - langwell_update_transceiver(); - } else { - /* FW will clear PHCD bit when any VBus - * event detected. Reset PHCD to 1 again */ - langwell_otg_phy_low_power(1); - } - break; - case OTG_STATE_A_WAIT_VFALL: - if (iotg->hsm.id) { - iotg->otg.default_a = 0; - set_client_mode(); - langwell_otg_phy_low_power(1); - iotg->otg.state = OTG_STATE_B_IDLE; - langwell_update_transceiver(); - } else if (iotg->hsm.a_bus_req) { - - /* Turn on VBus */ - iotg->otg.set_vbus(&iotg->otg, true); - iotg->hsm.a_wait_vrise_tmout = 0; - langwell_otg_add_timer(a_wait_vrise_tmr); - iotg->otg.state = OTG_STATE_A_WAIT_VRISE; - } else if (!iotg->hsm.a_sess_vld) { - iotg->hsm.a_srp_det = 0; - set_host_mode(); - langwell_otg_phy_low_power(1); - iotg->otg.state = OTG_STATE_A_IDLE; - } - break; - default: - ; - } - - dev_dbg(lnw->dev, "%s: new state = %s\n", __func__, - otg_state_string(iotg->otg.state)); -} - -static ssize_t -show_registers(struct device *_dev, struct device_attribute *attr, char *buf) -{ - struct langwell_otg *lnw = the_transceiver; - char *next; - unsigned size, t; - - next = buf; - size = PAGE_SIZE; - - t = scnprintf(next, size, - "\n" - "USBCMD = 0x%08x\n" - "USBSTS = 0x%08x\n" - "USBINTR = 0x%08x\n" - "ASYNCLISTADDR = 0x%08x\n" - "PORTSC1 = 0x%08x\n" - "HOSTPC1 = 0x%08x\n" - "OTGSC = 0x%08x\n" - "USBMODE = 0x%08x\n", - readl(lnw->iotg.base + 0x30), - readl(lnw->iotg.base + 0x34), - readl(lnw->iotg.base + 0x38), - readl(lnw->iotg.base + 0x48), - readl(lnw->iotg.base + 0x74), - readl(lnw->iotg.base + 0xb4), - readl(lnw->iotg.base + 0xf4), - readl(lnw->iotg.base + 0xf8) - ); - size -= t; - next += t; - - return PAGE_SIZE - size; -} -static DEVICE_ATTR(registers, S_IRUGO, show_registers, NULL); - -static ssize_t -show_hsm(struct device *_dev, struct device_attribute *attr, char *buf) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - char *next; - unsigned size, t; - - next = buf; - size = PAGE_SIZE; - - if (iotg->otg.host) - iotg->hsm.a_set_b_hnp_en = iotg->otg.host->b_hnp_enable; - - if (iotg->otg.gadget) - iotg->hsm.b_hnp_enable = iotg->otg.gadget->b_hnp_enable; - - t = scnprintf(next, size, - "\n" - "current state = %s\n" - "a_bus_resume = \t%d\n" - "a_bus_suspend = \t%d\n" - "a_conn = \t%d\n" - "a_sess_vld = \t%d\n" - "a_srp_det = \t%d\n" - "a_vbus_vld = \t%d\n" - "b_bus_resume = \t%d\n" - "b_bus_suspend = \t%d\n" - "b_conn = \t%d\n" - "b_se0_srp = \t%d\n" - "b_sess_end = \t%d\n" - "b_sess_vld = \t%d\n" - "id = \t%d\n" - "a_set_b_hnp_en = \t%d\n" - "b_srp_done = \t%d\n" - "b_hnp_enable = \t%d\n" - "a_wait_vrise_tmout = \t%d\n" - "a_wait_bcon_tmout = \t%d\n" - "a_aidl_bdis_tmout = \t%d\n" - "b_ase0_brst_tmout = \t%d\n" - "a_bus_drop = \t%d\n" - "a_bus_req = \t%d\n" - "a_clr_err = \t%d\n" - "a_suspend_req = \t%d\n" - "b_bus_req = \t%d\n" - "b_bus_suspend_tmout = \t%d\n" - "b_bus_suspend_vld = \t%d\n", - otg_state_string(iotg->otg.state), - iotg->hsm.a_bus_resume, - iotg->hsm.a_bus_suspend, - iotg->hsm.a_conn, - iotg->hsm.a_sess_vld, - iotg->hsm.a_srp_det, - iotg->hsm.a_vbus_vld, - iotg->hsm.b_bus_resume, - iotg->hsm.b_bus_suspend, - iotg->hsm.b_conn, - iotg->hsm.b_se0_srp, - iotg->hsm.b_sess_end, - iotg->hsm.b_sess_vld, - iotg->hsm.id, - iotg->hsm.a_set_b_hnp_en, - iotg->hsm.b_srp_done, - iotg->hsm.b_hnp_enable, - iotg->hsm.a_wait_vrise_tmout, - iotg->hsm.a_wait_bcon_tmout, - iotg->hsm.a_aidl_bdis_tmout, - iotg->hsm.b_ase0_brst_tmout, - iotg->hsm.a_bus_drop, - iotg->hsm.a_bus_req, - iotg->hsm.a_clr_err, - iotg->hsm.a_suspend_req, - iotg->hsm.b_bus_req, - iotg->hsm.b_bus_suspend_tmout, - iotg->hsm.b_bus_suspend_vld - ); - size -= t; - next += t; - - return PAGE_SIZE - size; -} -static DEVICE_ATTR(hsm, S_IRUGO, show_hsm, NULL); - -static ssize_t -get_a_bus_req(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct langwell_otg *lnw = the_transceiver; - char *next; - unsigned size, t; - - next = buf; - size = PAGE_SIZE; - - t = scnprintf(next, size, "%d", lnw->iotg.hsm.a_bus_req); - size -= t; - next += t; - - return PAGE_SIZE - size; -} - -static ssize_t -set_a_bus_req(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - - if (!iotg->otg.default_a) - return -1; - if (count > 2) - return -1; - - if (buf[0] == '0') { - iotg->hsm.a_bus_req = 0; - dev_dbg(lnw->dev, "User request: a_bus_req = 0\n"); - } else if (buf[0] == '1') { - /* If a_bus_drop is TRUE, a_bus_req can't be set */ - if (iotg->hsm.a_bus_drop) - return -1; - iotg->hsm.a_bus_req = 1; - dev_dbg(lnw->dev, "User request: a_bus_req = 1\n"); - } - if (spin_trylock(&lnw->wq_lock)) { - langwell_update_transceiver(); - spin_unlock(&lnw->wq_lock); - } - return count; -} -static DEVICE_ATTR(a_bus_req, S_IRUGO | S_IWUSR, get_a_bus_req, set_a_bus_req); - -static ssize_t -get_a_bus_drop(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct langwell_otg *lnw = the_transceiver; - char *next; - unsigned size, t; - - next = buf; - size = PAGE_SIZE; - - t = scnprintf(next, size, "%d", lnw->iotg.hsm.a_bus_drop); - size -= t; - next += t; - - return PAGE_SIZE - size; -} - -static ssize_t -set_a_bus_drop(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - - if (!iotg->otg.default_a) - return -1; - if (count > 2) - return -1; - - if (buf[0] == '0') { - iotg->hsm.a_bus_drop = 0; - dev_dbg(lnw->dev, "User request: a_bus_drop = 0\n"); - } else if (buf[0] == '1') { - iotg->hsm.a_bus_drop = 1; - iotg->hsm.a_bus_req = 0; - dev_dbg(lnw->dev, "User request: a_bus_drop = 1\n"); - dev_dbg(lnw->dev, "User request: and a_bus_req = 0\n"); - } - if (spin_trylock(&lnw->wq_lock)) { - langwell_update_transceiver(); - spin_unlock(&lnw->wq_lock); - } - return count; -} -static DEVICE_ATTR(a_bus_drop, S_IRUGO | S_IWUSR, get_a_bus_drop, set_a_bus_drop); - -static ssize_t -get_b_bus_req(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct langwell_otg *lnw = the_transceiver; - char *next; - unsigned size, t; - - next = buf; - size = PAGE_SIZE; - - t = scnprintf(next, size, "%d", lnw->iotg.hsm.b_bus_req); - size -= t; - next += t; - - return PAGE_SIZE - size; -} - -static ssize_t -set_b_bus_req(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - - if (iotg->otg.default_a) - return -1; - - if (count > 2) - return -1; - - if (buf[0] == '0') { - iotg->hsm.b_bus_req = 0; - dev_dbg(lnw->dev, "User request: b_bus_req = 0\n"); - } else if (buf[0] == '1') { - iotg->hsm.b_bus_req = 1; - dev_dbg(lnw->dev, "User request: b_bus_req = 1\n"); - } - if (spin_trylock(&lnw->wq_lock)) { - langwell_update_transceiver(); - spin_unlock(&lnw->wq_lock); - } - return count; -} -static DEVICE_ATTR(b_bus_req, S_IRUGO | S_IWUSR, get_b_bus_req, set_b_bus_req); - -static ssize_t -set_a_clr_err(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - - if (!iotg->otg.default_a) - return -1; - if (count > 2) - return -1; - - if (buf[0] == '1') { - iotg->hsm.a_clr_err = 1; - dev_dbg(lnw->dev, "User request: a_clr_err = 1\n"); - } - if (spin_trylock(&lnw->wq_lock)) { - langwell_update_transceiver(); - spin_unlock(&lnw->wq_lock); - } - return count; -} -static DEVICE_ATTR(a_clr_err, S_IWUSR, NULL, set_a_clr_err); - -static struct attribute *inputs_attrs[] = { - &dev_attr_a_bus_req.attr, - &dev_attr_a_bus_drop.attr, - &dev_attr_b_bus_req.attr, - &dev_attr_a_clr_err.attr, - NULL, -}; - -static struct attribute_group debug_dev_attr_group = { - .name = "inputs", - .attrs = inputs_attrs, -}; - -static int langwell_otg_probe(struct pci_dev *pdev, - const struct pci_device_id *id) -{ - unsigned long resource, len; - void __iomem *base = NULL; - int retval; - u32 val32; - struct langwell_otg *lnw; - char qname[] = "langwell_otg_queue"; - - retval = 0; - dev_dbg(&pdev->dev, "\notg controller is detected.\n"); - if (pci_enable_device(pdev) < 0) { - retval = -ENODEV; - goto done; - } - - lnw = kzalloc(sizeof *lnw, GFP_KERNEL); - if (lnw == NULL) { - retval = -ENOMEM; - goto done; - } - the_transceiver = lnw; - - /* control register: BAR 0 */ - resource = pci_resource_start(pdev, 0); - len = pci_resource_len(pdev, 0); - if (!request_mem_region(resource, len, driver_name)) { - retval = -EBUSY; - goto err; - } - lnw->region = 1; - - base = ioremap_nocache(resource, len); - if (base == NULL) { - retval = -EFAULT; - goto err; - } - lnw->iotg.base = base; - - if (!request_mem_region(USBCFG_ADDR, USBCFG_LEN, driver_name)) { - retval = -EBUSY; - goto err; - } - lnw->cfg_region = 1; - - /* For the SCCB.USBCFG register */ - base = ioremap_nocache(USBCFG_ADDR, USBCFG_LEN); - if (base == NULL) { - retval = -EFAULT; - goto err; - } - lnw->usbcfg = base; - - if (!pdev->irq) { - dev_dbg(&pdev->dev, "No IRQ.\n"); - retval = -ENODEV; - goto err; - } - - lnw->qwork = create_singlethread_workqueue(qname); - if (!lnw->qwork) { - dev_dbg(&pdev->dev, "cannot create workqueue %s\n", qname); - retval = -ENOMEM; - goto err; - } - INIT_WORK(&lnw->work, langwell_otg_work); - - /* OTG common part */ - lnw->dev = &pdev->dev; - lnw->iotg.otg.dev = lnw->dev; - lnw->iotg.otg.label = driver_name; - lnw->iotg.otg.set_host = langwell_otg_set_host; - lnw->iotg.otg.set_peripheral = langwell_otg_set_peripheral; - lnw->iotg.otg.set_power = langwell_otg_set_power; - lnw->iotg.otg.set_vbus = langwell_otg_set_vbus; - lnw->iotg.otg.start_srp = langwell_otg_start_srp; - lnw->iotg.otg.state = OTG_STATE_UNDEFINED; - - if (otg_set_transceiver(&lnw->iotg.otg)) { - dev_dbg(lnw->dev, "can't set transceiver\n"); - retval = -EBUSY; - goto err; - } - - reset_otg(); - init_hsm(); - - spin_lock_init(&lnw->lock); - spin_lock_init(&lnw->wq_lock); - INIT_LIST_HEAD(&active_timers); - retval = langwell_otg_init_timers(&lnw->iotg.hsm); - if (retval) { - dev_dbg(&pdev->dev, "Failed to init timers\n"); - goto err; - } - - init_timer(&lnw->hsm_timer); - ATOMIC_INIT_NOTIFIER_HEAD(&lnw->iotg.iotg_notifier); - - lnw->iotg_notifier.notifier_call = langwell_otg_iotg_notify; - - retval = intel_mid_otg_register_notifier(&lnw->iotg, - &lnw->iotg_notifier); - if (retval) { - dev_dbg(lnw->dev, "Failed to register notifier\n"); - goto err; - } - - if (request_irq(pdev->irq, otg_irq, IRQF_SHARED, - driver_name, lnw) != 0) { - dev_dbg(lnw->dev, "request interrupt %d failed\n", pdev->irq); - retval = -EBUSY; - goto err; - } - - /* enable OTGSC int */ - val32 = OTGSC_DPIE | OTGSC_BSEIE | OTGSC_BSVIE | - OTGSC_ASVIE | OTGSC_AVVIE | OTGSC_IDIE | OTGSC_IDPU; - writel(val32, lnw->iotg.base + CI_OTGSC); - - retval = device_create_file(&pdev->dev, &dev_attr_registers); - if (retval < 0) { - dev_dbg(lnw->dev, - "Can't register sysfs attribute: %d\n", retval); - goto err; - } - - retval = device_create_file(&pdev->dev, &dev_attr_hsm); - if (retval < 0) { - dev_dbg(lnw->dev, "Can't hsm sysfs attribute: %d\n", retval); - goto err; - } - - retval = sysfs_create_group(&pdev->dev.kobj, &debug_dev_attr_group); - if (retval < 0) { - dev_dbg(lnw->dev, - "Can't register sysfs attr group: %d\n", retval); - goto err; - } - - if (lnw->iotg.otg.state == OTG_STATE_A_IDLE) - langwell_update_transceiver(); - - return 0; - -err: - if (the_transceiver) - langwell_otg_remove(pdev); -done: - return retval; -} - -static void langwell_otg_remove(struct pci_dev *pdev) -{ - struct langwell_otg *lnw = the_transceiver; - - if (lnw->qwork) { - flush_workqueue(lnw->qwork); - destroy_workqueue(lnw->qwork); - } - intel_mid_otg_unregister_notifier(&lnw->iotg, &lnw->iotg_notifier); - langwell_otg_free_timers(); - - /* disable OTGSC interrupt as OTGSC doesn't change in reset */ - writel(0, lnw->iotg.base + CI_OTGSC); - - if (pdev->irq) - free_irq(pdev->irq, lnw); - if (lnw->usbcfg) - iounmap(lnw->usbcfg); - if (lnw->cfg_region) - release_mem_region(USBCFG_ADDR, USBCFG_LEN); - if (lnw->iotg.base) - iounmap(lnw->iotg.base); - if (lnw->region) - release_mem_region(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); - - otg_set_transceiver(NULL); - pci_disable_device(pdev); - sysfs_remove_group(&pdev->dev.kobj, &debug_dev_attr_group); - device_remove_file(&pdev->dev, &dev_attr_hsm); - device_remove_file(&pdev->dev, &dev_attr_registers); - kfree(lnw); - lnw = NULL; -} - -static void transceiver_suspend(struct pci_dev *pdev) -{ - pci_save_state(pdev); - pci_set_power_state(pdev, PCI_D3hot); - langwell_otg_phy_low_power(1); -} - -static int langwell_otg_suspend(struct pci_dev *pdev, pm_message_t message) -{ - struct langwell_otg *lnw = the_transceiver; - struct intel_mid_otg_xceiv *iotg = &lnw->iotg; - int ret = 0; - - /* Disbale OTG interrupts */ - langwell_otg_intr(0); - - if (pdev->irq) - free_irq(pdev->irq, lnw); - - /* Prevent more otg_work */ - flush_workqueue(lnw->qwork); - destroy_workqueue(lnw->qwork); - lnw->qwork = NULL; - - /* start actions */ - switch (iotg->otg.state) { - case OTG_STATE_A_WAIT_VFALL: - iotg->otg.state = OTG_STATE_A_IDLE; - case OTG_STATE_A_IDLE: - case OTG_STATE_B_IDLE: - case OTG_STATE_A_VBUS_ERR: - transceiver_suspend(pdev); - break; - case OTG_STATE_A_WAIT_VRISE: - langwell_otg_del_timer(a_wait_vrise_tmr); - iotg->hsm.a_srp_det = 0; - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - iotg->otg.state = OTG_STATE_A_IDLE; - transceiver_suspend(pdev); - break; - case OTG_STATE_A_WAIT_BCON: - del_timer_sync(&lnw->hsm_timer); - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(&pdev->dev, "host driver has been removed.\n"); - - iotg->hsm.a_srp_det = 0; - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - iotg->otg.state = OTG_STATE_A_IDLE; - transceiver_suspend(pdev); - break; - case OTG_STATE_A_HOST: - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(&pdev->dev, "host driver has been removed.\n"); - - iotg->hsm.a_srp_det = 0; - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - - iotg->otg.state = OTG_STATE_A_IDLE; - transceiver_suspend(pdev); - break; - case OTG_STATE_A_SUSPEND: - langwell_otg_del_timer(a_aidl_bdis_tmr); - langwell_otg_HABA(0); - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(lnw->dev, "host driver has been removed.\n"); - iotg->hsm.a_srp_det = 0; - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - iotg->otg.state = OTG_STATE_A_IDLE; - transceiver_suspend(pdev); - break; - case OTG_STATE_A_PERIPHERAL: - del_timer_sync(&lnw->hsm_timer); - - if (lnw->iotg.stop_peripheral) - lnw->iotg.stop_peripheral(&lnw->iotg); - else - dev_dbg(&pdev->dev, - "client driver has been removed.\n"); - iotg->hsm.a_srp_det = 0; - - /* Turn off VBus */ - iotg->otg.set_vbus(&iotg->otg, false); - iotg->otg.state = OTG_STATE_A_IDLE; - transceiver_suspend(pdev); - break; - case OTG_STATE_B_HOST: - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(&pdev->dev, "host driver has been removed.\n"); - iotg->hsm.b_bus_req = 0; - iotg->otg.state = OTG_STATE_B_IDLE; - transceiver_suspend(pdev); - break; - case OTG_STATE_B_PERIPHERAL: - if (lnw->iotg.stop_peripheral) - lnw->iotg.stop_peripheral(&lnw->iotg); - else - dev_dbg(&pdev->dev, - "client driver has been removed.\n"); - iotg->otg.state = OTG_STATE_B_IDLE; - transceiver_suspend(pdev); - break; - case OTG_STATE_B_WAIT_ACON: - /* delete hsm timer for b_ase0_brst_tmr */ - del_timer_sync(&lnw->hsm_timer); - - langwell_otg_HAAR(0); - - if (lnw->iotg.stop_host) - lnw->iotg.stop_host(&lnw->iotg); - else - dev_dbg(&pdev->dev, "host driver has been removed.\n"); - iotg->hsm.b_bus_req = 0; - iotg->otg.state = OTG_STATE_B_IDLE; - transceiver_suspend(pdev); - break; - default: - dev_dbg(lnw->dev, "error state before suspend\n"); - break; - } - - return ret; -} - -static void transceiver_resume(struct pci_dev *pdev) -{ - pci_restore_state(pdev); - pci_set_power_state(pdev, PCI_D0); -} - -static int langwell_otg_resume(struct pci_dev *pdev) -{ - struct langwell_otg *lnw = the_transceiver; - int ret = 0; - - transceiver_resume(pdev); - - lnw->qwork = create_singlethread_workqueue("langwell_otg_queue"); - if (!lnw->qwork) { - dev_dbg(&pdev->dev, "cannot create langwell otg workqueuen"); - ret = -ENOMEM; - goto error; - } - - if (request_irq(pdev->irq, otg_irq, IRQF_SHARED, - driver_name, lnw) != 0) { - dev_dbg(&pdev->dev, "request interrupt %d failed\n", pdev->irq); - ret = -EBUSY; - goto error; - } - - /* enable OTG interrupts */ - langwell_otg_intr(1); - - update_hsm(); - - langwell_update_transceiver(); - - return ret; -error: - langwell_otg_intr(0); - transceiver_suspend(pdev); - return ret; -} - -static int __init langwell_otg_init(void) -{ - return pci_register_driver(&otg_pci_driver); -} -module_init(langwell_otg_init); - -static void __exit langwell_otg_cleanup(void) -{ - pci_unregister_driver(&otg_pci_driver); -} -module_exit(langwell_otg_cleanup); diff --git a/drivers/usb/otg/mv_otg.c b/drivers/usb/otg/mv_otg.c index db0d4fcdc8e219..b5fbe1452ab00e 100644 --- a/drivers/usb/otg/mv_otg.c +++ b/drivers/usb/otg/mv_otg.c @@ -202,6 +202,7 @@ static void mv_otg_init_irq(struct mv_otg *mvotg) static void mv_otg_start_host(struct mv_otg *mvotg, int on) { +#ifdef CONFIG_USB struct otg_transceiver *otg = &mvotg->otg; struct usb_hcd *hcd; @@ -216,6 +217,7 @@ static void mv_otg_start_host(struct mv_otg *mvotg, int on) usb_add_hcd(hcd, hcd->irq, IRQF_SHARED); else usb_remove_hcd(hcd); +#endif /* CONFIG_USB */ } static void mv_otg_start_periphrals(struct mv_otg *mvotg, int on) diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 528691d5f3e261..7542aa94a46224 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -425,7 +425,7 @@ static int usbhsg_recip_run_handle(struct usbhs_priv *priv, struct usbhs_pipe *pipe; int recip = ctrl->bRequestType & USB_RECIP_MASK; int nth = le16_to_cpu(ctrl->wIndex) & USB_ENDPOINT_NUMBER_MASK; - int ret; + int ret = 0; int (*func)(struct usbhs_priv *priv, struct usbhsg_uep *uep, struct usb_ctrlrequest *ctrl); char *msg; diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index fba1147ed9169c..8dbf51a43c45d2 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -39,6 +39,8 @@ static void cp210x_get_termios(struct tty_struct *, struct usb_serial_port *port); static void cp210x_get_termios_port(struct usb_serial_port *port, unsigned int *cflagp, unsigned int *baudp); +static void cp210x_change_speed(struct tty_struct *, struct usb_serial_port *, + struct ktermios *); static void cp210x_set_termios(struct tty_struct *, struct usb_serial_port *, struct ktermios*); static int cp210x_tiocmget(struct tty_struct *); @@ -138,6 +140,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */ { USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */ { USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */ + { USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */ { USB_DEVICE(0x413C, 0x9500) }, /* DW700 GPS USB interface */ { } /* Terminating Entry */ }; @@ -201,6 +204,8 @@ static struct usb_serial_driver cp210x_device = { #define CP210X_EMBED_EVENTS 0x15 #define CP210X_GET_EVENTSTATE 0x16 #define CP210X_SET_CHARS 0x19 +#define CP210X_GET_BAUDRATE 0x1D +#define CP210X_SET_BAUDRATE 0x1E /* CP210X_IFC_ENABLE */ #define UART_ENABLE 0x0001 @@ -360,8 +365,8 @@ static inline int cp210x_set_config_single(struct usb_serial_port *port, * Quantises the baud rate as per AN205 Table 1 */ static unsigned int cp210x_quantise_baudrate(unsigned int baud) { - if (baud <= 56) baud = 0; - else if (baud <= 300) baud = 300; + if (baud <= 300) + baud = 300; else if (baud <= 600) baud = 600; else if (baud <= 1200) baud = 1200; else if (baud <= 1800) baud = 1800; @@ -389,10 +394,10 @@ static unsigned int cp210x_quantise_baudrate(unsigned int baud) { else if (baud <= 491520) baud = 460800; else if (baud <= 567138) baud = 500000; else if (baud <= 670254) baud = 576000; - else if (baud <= 1053257) baud = 921600; - else if (baud <= 1474560) baud = 1228800; - else if (baud <= 2457600) baud = 1843200; - else baud = 3686400; + else if (baud < 1000000) + baud = 921600; + else if (baud > 2000000) + baud = 2000000; return baud; } @@ -409,13 +414,14 @@ static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port) return result; } - result = usb_serial_generic_open(tty, port); - if (result) - return result; - /* Configure the termios structure */ cp210x_get_termios(tty, port); - return 0; + + /* The baud rate must be initialised on cp2104 */ + if (tty) + cp210x_change_speed(tty, port, NULL); + + return usb_serial_generic_open(tty, port); } static void cp210x_close(struct usb_serial_port *port) @@ -467,10 +473,7 @@ static void cp210x_get_termios_port(struct usb_serial_port *port, dbg("%s - port %d", __func__, port->number); - cp210x_get_config(port, CP210X_GET_BAUDDIV, &baud, 2); - /* Convert to baudrate */ - if (baud) - baud = cp210x_quantise_baudrate((BAUD_RATE_GEN_FREQ + baud/2)/ baud); + cp210x_get_config(port, CP210X_GET_BAUDRATE, &baud, 4); dbg("%s - baud rate = %d", __func__, baud); *baudp = baud; @@ -579,11 +582,64 @@ static void cp210x_get_termios_port(struct usb_serial_port *port, *cflagp = cflag; } +/* + * CP2101 supports the following baud rates: + * + * 300, 600, 1200, 1800, 2400, 4800, 7200, 9600, 14400, 19200, 28800, + * 38400, 56000, 57600, 115200, 128000, 230400, 460800, 921600 + * + * CP2102 and CP2103 support the following additional rates: + * + * 4000, 16000, 51200, 64000, 76800, 153600, 250000, 256000, 500000, + * 576000 + * + * The device will map a requested rate to a supported one, but the result + * of requests for rates greater than 1053257 is undefined (see AN205). + * + * CP2104, CP2105 and CP2110 support most rates up to 2M, 921k and 1M baud, + * respectively, with an error less than 1%. The actual rates are determined + * by + * + * div = round(freq / (2 x prescale x request)) + * actual = freq / (2 x prescale x div) + * + * For CP2104 and CP2105 freq is 48Mhz and prescale is 4 for request <= 365bps + * or 1 otherwise. + * For CP2110 freq is 24Mhz and prescale is 4 for request <= 300bps or 1 + * otherwise. + */ +static void cp210x_change_speed(struct tty_struct *tty, + struct usb_serial_port *port, struct ktermios *old_termios) +{ + u32 baud; + + baud = tty->termios->c_ospeed; + + /* This maps the requested rate to a rate valid on cp2102 or cp2103, + * or to an arbitrary rate in [1M,2M]. + * + * NOTE: B0 is not implemented. + */ + baud = cp210x_quantise_baudrate(baud); + + dbg("%s - setting baud rate to %u", __func__, baud); + if (cp210x_set_config(port, CP210X_SET_BAUDRATE, &baud, + sizeof(baud))) { + dev_warn(&port->dev, "failed to set baud rate to %u\n", baud); + if (old_termios) + baud = old_termios->c_ospeed; + else + baud = 9600; + } + + tty_encode_baud_rate(tty, baud, baud); +} + static void cp210x_set_termios(struct tty_struct *tty, struct usb_serial_port *port, struct ktermios *old_termios) { unsigned int cflag, old_cflag; - unsigned int baud = 0, bits; + unsigned int bits; unsigned int modem_ctl[4]; dbg("%s - port %d", __func__, port->number); @@ -593,20 +649,9 @@ static void cp210x_set_termios(struct tty_struct *tty, cflag = tty->termios->c_cflag; old_cflag = old_termios->c_cflag; - baud = cp210x_quantise_baudrate(tty_get_baud_rate(tty)); - - /* If the baud rate is to be updated*/ - if (baud != tty_termios_baud_rate(old_termios) && baud != 0) { - dbg("%s - Setting baud rate to %d baud", __func__, - baud); - if (cp210x_set_config_single(port, CP210X_SET_BAUDDIV, - ((BAUD_RATE_GEN_FREQ + baud/2) / baud))) { - dbg("Baud rate requested not supported by device"); - baud = tty_termios_baud_rate(old_termios); - } - } - /* Report back the resulting baud rate */ - tty_encode_baud_rate(tty, baud, baud); + + if (tty->termios->c_ospeed != old_termios->c_ospeed) + cp210x_change_speed(tty, port, old_termios); /* If the number of data bits is to be updated */ if ((cflag & CSIZE) != (old_cflag & CSIZE)) { diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 01b6404df395bd..f770415305f857 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -797,6 +797,7 @@ static struct usb_device_id id_table_combined [] = { .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE(HORNBY_VID, HORNBY_ELITE_PID) }, { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) }, { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, @@ -805,6 +806,8 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) }, { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE(FTDI_VID, TI_XDS100V2_PID), + .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) }, { USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) }, { USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) }, @@ -836,11 +839,13 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) }, { USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) }, { USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(ST_VID, ST_STMCLT1030_PID), .driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk }, + { USB_DEVICE(FTDI_VID, FTDI_RF_R106) }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; @@ -1333,8 +1338,7 @@ static int set_serial_info(struct tty_struct *tty, goto check_and_exit; } - if ((new_serial.baud_base != priv->baud_base) && - (new_serial.baud_base < 9600)) { + if (new_serial.baud_base != priv->baud_base) { mutex_unlock(&priv->cfg_lock); return -EINVAL; } @@ -1824,6 +1828,7 @@ static int ftdi_sio_port_remove(struct usb_serial_port *port) static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port) { + struct ktermios dummy; struct usb_device *dev = port->serial->dev; struct ftdi_private *priv = usb_get_serial_port_data(port); int result; @@ -1842,8 +1847,10 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port) This is same behaviour as serial.c/rs_open() - Kuba */ /* ftdi_set_termios will send usb control messages */ - if (tty) - ftdi_set_termios(tty, port, tty->termios); + if (tty) { + memset(&dummy, 0, sizeof(dummy)); + ftdi_set_termios(tty, port, &dummy); + } /* Start reading from the device */ result = usb_serial_generic_open(tty, port); diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index df1d7da933ec6f..6f6058f0db1ba3 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -39,6 +39,13 @@ /* www.candapter.com Ewert Energy Systems CANdapter device */ #define FTDI_CANDAPTER_PID 0x9F80 /* Product Id */ +/* + * Texas Instruments XDS100v2 JTAG / BeagleBone A3 + * http://processors.wiki.ti.com/index.php/XDS100 + * http://beagleboard.org/bone + */ +#define TI_XDS100V2_PID 0xa6d0 + #define FTDI_NXTCAM_PID 0xABB8 /* NXTCam for Mindstorms NXT */ /* US Interface Navigator (http://www.usinterface.com/) */ @@ -525,6 +532,12 @@ #define ADI_GNICEPLUS_PID 0xF001 /* + * Hornby Elite + */ +#define HORNBY_VID 0x04D8 +#define HORNBY_ELITE_PID 0x000A + +/* * RATOC REX-USB60F */ #define RATOC_VENDOR_ID 0x0584 @@ -1168,3 +1181,16 @@ */ /* TagTracer MIFARE*/ #define FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID 0xF7C0 + +/* + * Rainforest Automation + */ +/* ZigBee controller */ +#define FTDI_RF_R106 0x8A28 + +/* + * Product: HCP HIT GPRS modem + * Manufacturer: HCP d.o.o. + * ATI command output: Cinterion MC55i + */ +#define FTDI_CINTERION_MC55I_PID 0xA951 diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 65bf06aa591a09..5818bfc3261ebb 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -2657,15 +2657,7 @@ cleanup: static void edge_disconnect(struct usb_serial *serial) { - int i; - struct edgeport_port *edge_port; - dbg("%s", __func__); - - for (i = 0; i < serial->num_ports; ++i) { - edge_port = usb_get_serial_port_data(serial->port[i]); - edge_remove_sysfs_attrs(edge_port->port); - } } static void edge_release(struct usb_serial *serial) @@ -2744,6 +2736,7 @@ static struct usb_serial_driver edgeport_1port_device = { .disconnect = edge_disconnect, .release = edge_release, .port_probe = edge_create_sysfs_attrs, + .port_remove = edge_remove_sysfs_attrs, .ioctl = edge_ioctl, .set_termios = edge_set_termios, .tiocmget = edge_tiocmget, @@ -2775,6 +2768,7 @@ static struct usb_serial_driver edgeport_2port_device = { .disconnect = edge_disconnect, .release = edge_release, .port_probe = edge_create_sysfs_attrs, + .port_remove = edge_remove_sysfs_attrs, .ioctl = edge_ioctl, .set_termios = edge_set_termios, .tiocmget = edge_tiocmget, diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index 5d3beeeb5fd9b5..a92a3efb507bda 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -38,7 +38,7 @@ #include <linux/ioctl.h> #include "kobil_sct.h" -static int debug; +static bool debug; /* Version Information */ #define DRIVER_VERSION "21/05/2004" diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 420d9857394a09..39ed1f46cec09a 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -480,6 +480,10 @@ static void option_instat_callback(struct urb *urb); #define ZD_VENDOR_ID 0x0685 #define ZD_PRODUCT_7000 0x7000 +/* LG products */ +#define LG_VENDOR_ID 0x1004 +#define LG_PRODUCT_L02C 0x618f + /* some devices interfaces need special handling due to a number of reasons */ enum option_blacklist_reason { OPTION_BLACKLIST_NONE = 0, @@ -851,6 +855,18 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0083, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0086, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0087, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0088, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0089, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0090, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0091, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0092, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0093, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0094, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0095, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0096, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0097, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0098, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0099, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0104, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0105, 0xff, 0xff, 0xff) }, @@ -879,7 +895,6 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0151, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0152, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0153, 0xff, 0xff, 0xff) }, - { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0154, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0155, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0156, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0157, 0xff, 0xff, 0xff) }, @@ -888,6 +903,12 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0160, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0161, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0162, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0164, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0165, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0168, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0170, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0176, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0178, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1010, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1012, 0xff, 0xff, 0xff) }, @@ -1062,6 +1083,116 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1298, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1299, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1300, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1401, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1402, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1403, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1404, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1405, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1406, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1407, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1408, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1409, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1410, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1411, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1412, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1413, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1414, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1415, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1416, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1417, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1418, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1419, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1420, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1421, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1422, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1423, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1424, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1425, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1426, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1427, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1429, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1430, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1431, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1432, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1433, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1434, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1435, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1436, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1437, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1438, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1439, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1440, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1441, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1442, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1443, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1444, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1445, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1446, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1447, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1448, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1449, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1450, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1451, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1452, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1453, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1454, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1455, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1456, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1457, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1458, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1459, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1460, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1461, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1462, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1463, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1464, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1465, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1466, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1467, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1468, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1469, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1470, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1471, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1472, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1473, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1474, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1475, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1476, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1477, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1478, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1479, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1480, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1481, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1482, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1483, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1484, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1485, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1486, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1487, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1488, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1489, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1490, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1491, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1492, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1493, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1494, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1495, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1496, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1497, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1498, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1499, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1500, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1501, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1502, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1503, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1504, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1505, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1506, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1507, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1508, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1509, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1510, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0014, 0xff, 0xff, 0xff) }, /* ZTE CDMA products */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0027, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0059, 0xff, 0xff, 0xff) }, @@ -1183,6 +1314,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU526) }, { USB_DEVICE_AND_INTERFACE_INFO(VIETTEL_VENDOR_ID, VIETTEL_PRODUCT_VT1000, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZD_VENDOR_ID, ZD_PRODUCT_7000, 0xff, 0xff, 0xff) }, + { USB_DEVICE(LG_VENDOR_ID, LG_PRODUCT_L02C) }, /* docomo L-02C modem */ { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/usb/serial/qcaux.c b/drivers/usb/serial/qcaux.c index 30b73e68a904d6..a34819884c1ad6 100644 --- a/drivers/usb/serial/qcaux.c +++ b/drivers/usb/serial/qcaux.c @@ -36,6 +36,7 @@ #define UTSTARCOM_PRODUCT_UM175_V1 0x3712 #define UTSTARCOM_PRODUCT_UM175_V2 0x3714 #define UTSTARCOM_PRODUCT_UM175_ALLTEL 0x3715 +#define PANTECH_PRODUCT_UML190_VZW 0x3716 #define PANTECH_PRODUCT_UML290_VZW 0x3718 /* CMOTECH devices */ @@ -67,7 +68,11 @@ static struct usb_device_id id_table[] = { { USB_DEVICE_AND_INTERFACE_INFO(LG_VENDOR_ID, LG_PRODUCT_VX4400_6000, 0xff, 0xff, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(SANYO_VENDOR_ID, SANYO_PRODUCT_KATANA_LX, 0xff, 0xff, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_U520, 0xff, 0x00, 0x00) }, - { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML190_VZW, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML190_VZW, 0xff, 0xfe, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xfd, 0xff) }, /* NMEA */ + { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xfe, 0xff) }, /* WMC */ + { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xff, 0xff) }, /* DIAG */ { }, }; MODULE_DEVICE_TABLE(usb, id_table); diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 1d5deee3be5221..f98800f2324c22 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -36,6 +36,11 @@ static const struct usb_device_id id_table[] = { {USB_DEVICE(0x413c, 0x8171)}, /* Dell Gobi QDL device */ {USB_DEVICE(0x1410, 0xa001)}, /* Novatel Gobi Modem device */ {USB_DEVICE(0x1410, 0xa008)}, /* Novatel Gobi QDL device */ + {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi QDL device */ + {USB_DEVICE(0x1410, 0xa011)}, /* Novatel Gobi QDL device */ + {USB_DEVICE(0x1410, 0xa012)}, /* Novatel Gobi QDL device */ + {USB_DEVICE(0x1410, 0xa013)}, /* Novatel Gobi QDL device */ + {USB_DEVICE(0x1410, 0xa014)}, /* Novatel Gobi QDL device */ {USB_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ {USB_DEVICE(0x0b05, 0x1774)}, /* Asus Gobi QDL device */ {USB_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ @@ -86,7 +91,16 @@ static const struct usb_device_id id_table[] = { {USB_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ {USB_DEVICE(0x05c6, 0x9204)}, /* Gobi 2000 QDL device */ {USB_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ + + {USB_DEVICE(0x05c6, 0x920c)}, /* Gobi 3000 QDL */ + {USB_DEVICE(0x05c6, 0x920d)}, /* Gobi 3000 Composite */ + {USB_DEVICE(0x1410, 0xa020)}, /* Novatel Gobi 3000 QDL */ + {USB_DEVICE(0x1410, 0xa021)}, /* Novatel Gobi 3000 Composite */ + {USB_DEVICE(0x413c, 0x8193)}, /* Dell Gobi 3000 QDL */ + {USB_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ {USB_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ + {USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */ + {USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */ { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, id_table); @@ -123,8 +137,6 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) spin_lock_init(&data->susp_lock); - usb_enable_autosuspend(serial->dev); - switch (nintf) { case 1: /* QDL mode */ diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c index 1f62723ef1a860..d32f72061c099d 100644 --- a/drivers/usb/storage/realtek_cr.c +++ b/drivers/usb/storage/realtek_cr.c @@ -789,7 +789,7 @@ static void rts51x_suspend_timer_fn(unsigned long data) rts51x_set_stat(chip, RTS51X_STAT_SS); /* ignore mass storage interface's children */ pm_suspend_ignore_children(&us->pusb_intf->dev, true); - usb_autopm_put_interface(us->pusb_intf); + usb_autopm_put_interface_async(us->pusb_intf); US_DEBUGP("%s: RTS51X_STAT_SS 01," "intf->pm_usage_cnt:%d, power.usage:%d\n", __func__, diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c index 8efeae24764f97..b4a71679c933de 100644 --- a/drivers/usb/usb-skeleton.c +++ b/drivers/usb/usb-skeleton.c @@ -27,8 +27,6 @@ #define USB_SKEL_VENDOR_ID 0xfff0 #define USB_SKEL_PRODUCT_ID 0xfff0 -static DEFINE_MUTEX(skel_mutex); - /* table of devices that work with this driver */ static const struct usb_device_id skel_table[] = { { USB_DEVICE(USB_SKEL_VENDOR_ID, USB_SKEL_PRODUCT_ID) }, @@ -101,25 +99,18 @@ static int skel_open(struct inode *inode, struct file *file) goto exit; } - mutex_lock(&skel_mutex); dev = usb_get_intfdata(interface); if (!dev) { - mutex_unlock(&skel_mutex); retval = -ENODEV; goto exit; } /* increment our usage count for the device */ kref_get(&dev->kref); - mutex_unlock(&skel_mutex); /* lock the device to allow correctly handling errors * in resumption */ mutex_lock(&dev->io_mutex); - if (!dev->interface) { - retval = -ENODEV; - goto out_err; - } retval = usb_autopm_get_interface(interface); if (retval) @@ -127,11 +118,7 @@ static int skel_open(struct inode *inode, struct file *file) /* save our object in the file's private structure */ file->private_data = dev; - -out_err: mutex_unlock(&dev->io_mutex); - if (retval) - kref_put(&dev->kref, skel_delete); exit: return retval; @@ -611,6 +598,7 @@ static void skel_disconnect(struct usb_interface *interface) int minor = interface->minor; dev = usb_get_intfdata(interface); + usb_set_intfdata(interface, NULL); /* give back our minor */ usb_deregister_dev(interface, &skel_class); @@ -622,12 +610,8 @@ static void skel_disconnect(struct usb_interface *interface) usb_kill_anchored_urbs(&dev->submitted); - mutex_lock(&skel_mutex); - usb_set_intfdata(interface, NULL); - /* decrement our usage count */ kref_put(&dev->kref, skel_delete); - mutex_unlock(&skel_mutex); dev_info(&interface->dev, "USB Skeleton #%d now disconnected", minor); } diff --git a/drivers/usb/wusbcore/Kconfig b/drivers/usb/wusbcore/Kconfig index 0ead8826ec7947..f29fdd7f6d750b 100644 --- a/drivers/usb/wusbcore/Kconfig +++ b/drivers/usb/wusbcore/Kconfig @@ -6,7 +6,7 @@ config USB_WUSB depends on EXPERIMENTAL depends on USB depends on PCI - select UWB + depends on UWB select CRYPTO select CRYPTO_BLKCIPHER select CRYPTO_CBC diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 0d7b20d4285d3c..e40c00f2c2ba8e 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -1108,7 +1108,7 @@ static int atmel_lcdfb_suspend(struct platform_device *pdev, pm_message_t mesg) */ lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0UL); - sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_VAL); + sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_CTR); lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, 0); if (sinfo->atmel_lcdfb_power_control) sinfo->atmel_lcdfb_power_control(0); diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c index acf292bfba021a..6af3f16754f0e2 100644 --- a/drivers/video/fsl-diu-fb.c +++ b/drivers/video/fsl-diu-fb.c @@ -1432,7 +1432,7 @@ static int fsl_diu_suspend(struct platform_device *ofdev, pm_message_t state) struct fsl_diu_data *data; data = dev_get_drvdata(&ofdev->dev); - disable_lcdc(data->fsl_diu_info[0]); + disable_lcdc(data->fsl_diu_info); return 0; } @@ -1442,7 +1442,7 @@ static int fsl_diu_resume(struct platform_device *ofdev) struct fsl_diu_data *data; data = dev_get_drvdata(&ofdev->dev); - enable_lcdc(data->fsl_diu_info[0]); + enable_lcdc(data->fsl_diu_info); return 0; } diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c index c6afa33a45322b..02fd2263610c1c 100644 --- a/drivers/video/intelfb/intelfbdrv.c +++ b/drivers/video/intelfb/intelfbdrv.c @@ -529,7 +529,6 @@ static int __devinit intelfb_pci_register(struct pci_dev *pdev, if (fb_alloc_cmap(&info->cmap, 256, 1) < 0) { ERR_MSG("Could not allocate cmap for intelfb_info.\n"); goto err_out_cmap; - return -ENODEV; } dinfo = info->par; diff --git a/drivers/video/macfb.c b/drivers/video/macfb.c index 43207cc6cc1953..fe01add3700e05 100644 --- a/drivers/video/macfb.c +++ b/drivers/video/macfb.c @@ -592,12 +592,12 @@ static int __init macfb_init(void) if (!fb_info.screen_base) return -ENODEV; - printk("macfb: framebuffer at 0x%08lx, mapped to 0x%p, size %dk\n", - macfb_fix.smem_start, fb_info.screen_base, - macfb_fix.smem_len / 1024); - printk("macfb: mode is %dx%dx%d, linelength=%d\n", - macfb_defined.xres, macfb_defined.yres, - macfb_defined.bits_per_pixel, macfb_fix.line_length); + pr_info("macfb: framebuffer at 0x%08lx, mapped to 0x%p, size %dk\n", + macfb_fix.smem_start, fb_info.screen_base, + macfb_fix.smem_len / 1024); + pr_info("macfb: mode is %dx%dx%d, linelength=%d\n", + macfb_defined.xres, macfb_defined.yres, + macfb_defined.bits_per_pixel, macfb_fix.line_length); /* Fill in the available video resolution */ macfb_defined.xres_virtual = macfb_defined.xres; @@ -613,14 +613,10 @@ static int __init macfb_init(void) switch (macfb_defined.bits_per_pixel) { case 1: - /* - * XXX: I think this will catch any program that tries - * to do FBIO_PUTCMAP when the visual is monochrome. - */ macfb_defined.red.length = macfb_defined.bits_per_pixel; macfb_defined.green.length = macfb_defined.bits_per_pixel; macfb_defined.blue.length = macfb_defined.bits_per_pixel; - video_cmap_len = 0; + video_cmap_len = 2; macfb_fix.visual = FB_VISUAL_MONO01; break; case 2: @@ -660,11 +656,10 @@ static int __init macfb_init(void) macfb_fix.visual = FB_VISUAL_TRUECOLOR; break; default: - video_cmap_len = 0; - macfb_fix.visual = FB_VISUAL_MONO01; - printk("macfb: unknown or unsupported bit depth: %d\n", + pr_err("macfb: unknown or unsupported bit depth: %d\n", macfb_defined.bits_per_pixel); - break; + err = -EINVAL; + goto fail_unmap; } /* @@ -734,8 +729,8 @@ static int __init macfb_init(void) case MAC_MODEL_Q950: strcpy(macfb_fix.id, "DAFB"); macfb_setpalette = dafb_setpalette; - macfb_defined.activate = FB_ACTIVATE_NOW; dafb_cmap_regs = ioremap(DAFB_BASE, 0x1000); + macfb_defined.activate = FB_ACTIVATE_NOW; break; /* @@ -744,8 +739,8 @@ static int __init macfb_init(void) case MAC_MODEL_LCII: strcpy(macfb_fix.id, "V8"); macfb_setpalette = v8_brazil_setpalette; - macfb_defined.activate = FB_ACTIVATE_NOW; v8_brazil_cmap_regs = ioremap(DAC_BASE, 0x1000); + macfb_defined.activate = FB_ACTIVATE_NOW; break; /* @@ -758,8 +753,8 @@ static int __init macfb_init(void) case MAC_MODEL_P600: strcpy(macfb_fix.id, "Brazil"); macfb_setpalette = v8_brazil_setpalette; - macfb_defined.activate = FB_ACTIVATE_NOW; v8_brazil_cmap_regs = ioremap(DAC_BASE, 0x1000); + macfb_defined.activate = FB_ACTIVATE_NOW; break; /* @@ -773,10 +768,10 @@ static int __init macfb_init(void) case MAC_MODEL_P520: case MAC_MODEL_P550: case MAC_MODEL_P460: - macfb_setpalette = v8_brazil_setpalette; - macfb_defined.activate = FB_ACTIVATE_NOW; strcpy(macfb_fix.id, "Sonora"); + macfb_setpalette = v8_brazil_setpalette; v8_brazil_cmap_regs = ioremap(DAC_BASE, 0x1000); + macfb_defined.activate = FB_ACTIVATE_NOW; break; /* @@ -786,10 +781,10 @@ static int __init macfb_init(void) */ case MAC_MODEL_IICI: case MAC_MODEL_IISI: - macfb_setpalette = rbv_setpalette; - macfb_defined.activate = FB_ACTIVATE_NOW; strcpy(macfb_fix.id, "RBV"); + macfb_setpalette = rbv_setpalette; rbv_cmap_regs = ioremap(DAC_BASE, 0x1000); + macfb_defined.activate = FB_ACTIVATE_NOW; break; /* @@ -797,10 +792,10 @@ static int __init macfb_init(void) */ case MAC_MODEL_Q840: case MAC_MODEL_C660: - macfb_setpalette = civic_setpalette; - macfb_defined.activate = FB_ACTIVATE_NOW; strcpy(macfb_fix.id, "Civic"); + macfb_setpalette = civic_setpalette; civic_cmap_regs = ioremap(CIVIC_BASE, 0x1000); + macfb_defined.activate = FB_ACTIVATE_NOW; break; @@ -809,26 +804,26 @@ static int __init macfb_init(void) * We think this may be like the LC II */ case MAC_MODEL_LC: + strcpy(macfb_fix.id, "LC"); if (vidtest) { macfb_setpalette = v8_brazil_setpalette; - macfb_defined.activate = FB_ACTIVATE_NOW; v8_brazil_cmap_regs = ioremap(DAC_BASE, 0x1000); + macfb_defined.activate = FB_ACTIVATE_NOW; } - strcpy(macfb_fix.id, "LC"); break; /* * We think this may be like the LC II */ case MAC_MODEL_CCL: + strcpy(macfb_fix.id, "Color Classic"); if (vidtest) { macfb_setpalette = v8_brazil_setpalette; - macfb_defined.activate = FB_ACTIVATE_NOW; v8_brazil_cmap_regs = ioremap(DAC_BASE, 0x1000); + macfb_defined.activate = FB_ACTIVATE_NOW; } - strcpy(macfb_fix.id, "Color Classic"); break; /* @@ -893,10 +888,10 @@ static int __init macfb_init(void) case MAC_MODEL_PB270C: case MAC_MODEL_PB280: case MAC_MODEL_PB280C: - macfb_setpalette = csc_setpalette; - macfb_defined.activate = FB_ACTIVATE_NOW; strcpy(macfb_fix.id, "CSC"); + macfb_setpalette = csc_setpalette; csc_cmap_regs = ioremap(CSC_BASE, 0x1000); + macfb_defined.activate = FB_ACTIVATE_NOW; break; default: @@ -918,8 +913,9 @@ static int __init macfb_init(void) if (err) goto fail_dealloc; - printk("fb%d: %s frame buffer device\n", - fb_info.node, fb_info.fix.id); + pr_info("fb%d: %s frame buffer device\n", + fb_info.node, fb_info.fix.id); + return 0; fail_dealloc: diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index a5ec7f37c1857f..e1626a1d5c451f 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -401,7 +401,7 @@ void dispc_runtime_put(void) DSSDBG("dispc_runtime_put\n"); - r = pm_runtime_put(&dispc.pdev->dev); + r = pm_runtime_put_sync(&dispc.pdev->dev); WARN_ON(r < 0); } diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index d4d676c82c12fb..52f36ec1c8bb38 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -1079,7 +1079,7 @@ void dsi_runtime_put(struct platform_device *dsidev) DSSDBG("dsi_runtime_put\n"); - r = pm_runtime_put(&dsi->pdev->dev); + r = pm_runtime_put_sync(&dsi->pdev->dev); WARN_ON(r < 0); } diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c index 17033457ee89ba..77c2b5a32b5d63 100644 --- a/drivers/video/omap2/dss/dss.c +++ b/drivers/video/omap2/dss/dss.c @@ -720,7 +720,7 @@ void dss_runtime_put(void) DSSDBG("dss_runtime_put\n"); - r = pm_runtime_put(&dss.pdev->dev); + r = pm_runtime_put_sync(&dss.pdev->dev); WARN_ON(r < 0); } diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c index b4c270edb915bd..d7aa3b056529e9 100644 --- a/drivers/video/omap2/dss/hdmi.c +++ b/drivers/video/omap2/dss/hdmi.c @@ -176,7 +176,7 @@ static void hdmi_runtime_put(void) DSSDBG("hdmi_runtime_put\n"); - r = pm_runtime_put(&hdmi.pdev->dev); + r = pm_runtime_put_sync(&hdmi.pdev->dev); WARN_ON(r < 0); } @@ -497,6 +497,7 @@ bool omapdss_hdmi_detect(void) int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev) { + struct omap_dss_hdmi_data *priv = dssdev->data; int r = 0; DSSDBG("ENTER hdmi_display_enable\n"); @@ -509,6 +510,8 @@ int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev) goto err0; } + hdmi.ip_data.hpd_gpio = priv->hpd_gpio; + r = omap_dss_start_device(dssdev); if (r) { DSSERR("failed to start device\n"); diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c index 814bb9500dca77..55f398014f33b3 100644 --- a/drivers/video/omap2/dss/rfbi.c +++ b/drivers/video/omap2/dss/rfbi.c @@ -140,7 +140,7 @@ static void rfbi_runtime_put(void) DSSDBG("rfbi_runtime_put\n"); - r = pm_runtime_put(&rfbi.pdev->dev); + r = pm_runtime_put_sync(&rfbi.pdev->dev); WARN_ON(r < 0); } diff --git a/drivers/video/omap2/dss/ti_hdmi.h b/drivers/video/omap2/dss/ti_hdmi.h index 7503f7f619a7fe..50dadba5070a6f 100644 --- a/drivers/video/omap2/dss/ti_hdmi.h +++ b/drivers/video/omap2/dss/ti_hdmi.h @@ -126,6 +126,10 @@ struct hdmi_ip_data { const struct ti_hdmi_ip_ops *ops; struct hdmi_config cfg; struct hdmi_pll_info pll_data; + + /* ti_hdmi_4xxx_ip private data. These should be in a separate struct */ + int hpd_gpio; + bool phy_tx_enabled; }; int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data); void ti_hdmi_4xxx_phy_disable(struct hdmi_ip_data *ip_data); diff --git a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c index 9af81f18f1633f..2d72334ca3da9a 100644 --- a/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c +++ b/drivers/video/omap2/dss/ti_hdmi_4xxx_ip.c @@ -28,6 +28,7 @@ #include <linux/delay.h> #include <linux/string.h> #include <linux/seq_file.h> +#include <linux/gpio.h> #include "ti_hdmi_4xxx_ip.h" #include "dss.h" @@ -223,6 +224,49 @@ void ti_hdmi_4xxx_pll_disable(struct hdmi_ip_data *ip_data) hdmi_set_pll_pwr(ip_data, HDMI_PLLPWRCMD_ALLOFF); } +static int hdmi_check_hpd_state(struct hdmi_ip_data *ip_data) +{ + unsigned long flags; + bool hpd; + int r; + /* this should be in ti_hdmi_4xxx_ip private data */ + static DEFINE_SPINLOCK(phy_tx_lock); + + spin_lock_irqsave(&phy_tx_lock, flags); + + hpd = gpio_get_value(ip_data->hpd_gpio); + + if (hpd == ip_data->phy_tx_enabled) { + spin_unlock_irqrestore(&phy_tx_lock, flags); + return 0; + } + + if (hpd) + r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_TXON); + else + r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_LDOON); + + if (r) { + DSSERR("Failed to %s PHY TX power\n", + hpd ? "enable" : "disable"); + goto err; + } + + ip_data->phy_tx_enabled = hpd; +err: + spin_unlock_irqrestore(&phy_tx_lock, flags); + return r; +} + +static irqreturn_t hpd_irq_handler(int irq, void *data) +{ + struct hdmi_ip_data *ip_data = data; + + hdmi_check_hpd_state(ip_data); + + return IRQ_HANDLED; +} + int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data) { u16 r = 0; @@ -232,10 +276,6 @@ int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data) if (r) return r; - r = hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_TXON); - if (r) - return r; - /* * Read address 0 in order to get the SCP reset done completed * Dummy access performed to make sure reset is done @@ -257,12 +297,32 @@ int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data) /* Write to phy address 3 to change the polarity control */ REG_FLD_MOD(phy_base, HDMI_TXPHY_PAD_CFG_CTRL, 0x1, 27, 27); + r = request_threaded_irq(gpio_to_irq(ip_data->hpd_gpio), + NULL, hpd_irq_handler, + IRQF_DISABLED | IRQF_TRIGGER_RISING | + IRQF_TRIGGER_FALLING, "hpd", ip_data); + if (r) { + DSSERR("HPD IRQ request failed\n"); + hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF); + return r; + } + + r = hdmi_check_hpd_state(ip_data); + if (r) { + free_irq(gpio_to_irq(ip_data->hpd_gpio), ip_data); + hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF); + return r; + } + return 0; } void ti_hdmi_4xxx_phy_disable(struct hdmi_ip_data *ip_data) { + free_irq(gpio_to_irq(ip_data->hpd_gpio), ip_data); + hdmi_set_phy_pwr(ip_data, HDMI_PHYPWRCMD_OFF); + ip_data->phy_tx_enabled = false; } static int hdmi_core_ddc_init(struct hdmi_ip_data *ip_data) diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c index b3e9f90915815f..5c3d0f9015105b 100644 --- a/drivers/video/omap2/dss/venc.c +++ b/drivers/video/omap2/dss/venc.c @@ -401,7 +401,7 @@ static void venc_runtime_put(void) DSSDBG("venc_runtime_put\n"); - r = pm_runtime_put(&venc.pdev->dev); + r = pm_runtime_put_sync(&venc.pdev->dev); WARN_ON(r < 0); } diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 79e1b292c0309b..5aa43c3392a2a0 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -35,7 +35,7 @@ #define virtio_rmb(vq) \ do { if ((vq)->weak_barriers) smp_rmb(); else rmb(); } while(0) #define virtio_wmb(vq) \ - do { if ((vq)->weak_barriers) smp_rmb(); else rmb(); } while(0) + do { if ((vq)->weak_barriers) smp_wmb(); else wmb(); } while(0) #else /* We must force memory ordering even if guest is UP since host could be * running on another CPU, but SMP barriers are defined to barrier() in that @@ -308,9 +308,9 @@ bool virtqueue_kick_prepare(struct virtqueue *_vq) bool needs_kick; START_USE(vq); - /* Descriptors and available array need to be set before we expose the - * new available array entries. */ - virtio_wmb(vq); + /* We need to expose available array entries before checking avail + * event. */ + virtio_mb(vq); old = vq->vring.avail->idx - vq->num_added; new = vq->vring.avail->idx; diff --git a/drivers/watchdog/dw_wdt.c b/drivers/watchdog/dw_wdt.c index 1b0e3dd81c1a27..63d7b58f1c7d35 100644 --- a/drivers/watchdog/dw_wdt.c +++ b/drivers/watchdog/dw_wdt.c @@ -300,11 +300,7 @@ static int __devinit dw_wdt_drv_probe(struct platform_device *pdev) if (!mem) return -EINVAL; - if (!devm_request_mem_region(&pdev->dev, mem->start, resource_size(mem), - "dw_wdt")) - return -ENOMEM; - - dw_wdt.regs = devm_ioremap(&pdev->dev, mem->start, resource_size(mem)); + dw_wdt.regs = devm_request_and_ioremap(&pdev->dev, mem); if (!dw_wdt.regs) return -ENOMEM; diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c index 99796c5d913db2..bdf401b240b547 100644 --- a/drivers/watchdog/iTCO_wdt.c +++ b/drivers/watchdog/iTCO_wdt.c @@ -36,6 +36,7 @@ * document number TBD : Patsburg (PBG) * document number TBD : DH89xxCC * document number TBD : Panther Point + * document number TBD : Lynx Point */ /* @@ -126,6 +127,7 @@ enum iTCO_chipsets { TCO_PBG, /* Patsburg */ TCO_DH89XXCC, /* DH89xxCC */ TCO_PPT, /* Panther Point */ + TCO_LPT, /* Lynx Point */ }; static struct { @@ -189,6 +191,7 @@ static struct { {"Patsburg", 2}, {"DH89xxCC", 2}, {"Panther Point", 2}, + {"Lynx Point", 2}, {NULL, 0} }; @@ -331,6 +334,38 @@ static DEFINE_PCI_DEVICE_TABLE(iTCO_wdt_pci_tbl) = { { PCI_VDEVICE(INTEL, 0x1e5d), TCO_PPT}, { PCI_VDEVICE(INTEL, 0x1e5e), TCO_PPT}, { PCI_VDEVICE(INTEL, 0x1e5f), TCO_PPT}, + { PCI_VDEVICE(INTEL, 0x8c40), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c41), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c42), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c43), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c44), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c45), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c46), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c47), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c48), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c49), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c4a), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c4b), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c4c), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c4d), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c4e), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c4f), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c50), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c51), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c52), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c53), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c54), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c55), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c56), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c57), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c58), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c59), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c5a), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c5b), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c5c), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c5d), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c5e), TCO_LPT}, + { PCI_VDEVICE(INTEL, 0x8c5f), TCO_LPT}, { 0, }, /* End of list */ }; MODULE_DEVICE_TABLE(pci, iTCO_wdt_pci_tbl); diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c index b8ef2c6dca7ca9..c44c3334003a11 100644 --- a/drivers/watchdog/imx2_wdt.c +++ b/drivers/watchdog/imx2_wdt.c @@ -247,7 +247,6 @@ static struct miscdevice imx2_wdt_miscdev = { static int __init imx2_wdt_probe(struct platform_device *pdev) { int ret; - int res_size; struct resource *res; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -256,15 +255,7 @@ static int __init imx2_wdt_probe(struct platform_device *pdev) return -ENODEV; } - res_size = resource_size(res); - if (!devm_request_mem_region(&pdev->dev, res->start, res_size, - res->name)) { - dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n", - res_size, res->start); - return -ENOMEM; - } - - imx2_wdt.base = devm_ioremap_nocache(&pdev->dev, res->start, res_size); + imx2_wdt.base = devm_request_and_ioremap(&pdev->dev, res); if (!imx2_wdt.base) { dev_err(&pdev->dev, "ioremap failed\n"); return -ENOMEM; diff --git a/drivers/watchdog/nuc900_wdt.c b/drivers/watchdog/nuc900_wdt.c index 50359bad91770d..529085b8b8fb03 100644 --- a/drivers/watchdog/nuc900_wdt.c +++ b/drivers/watchdog/nuc900_wdt.c @@ -72,7 +72,7 @@ struct nuc900_wdt { }; static unsigned long nuc900wdt_busy; -struct nuc900_wdt *nuc900_wdt; +static struct nuc900_wdt *nuc900_wdt; static inline void nuc900_wdt_keepalive(void) { @@ -287,7 +287,8 @@ static int __devinit nuc900wdt_probe(struct platform_device *pdev) setup_timer(&nuc900_wdt->timer, nuc900_wdt_timer_ping, 0); - if (misc_register(&nuc900wdt_miscdev)) { + ret = misc_register(&nuc900wdt_miscdev); + if (ret) { dev_err(&pdev->dev, "err register miscdev on minor=%d (%d)\n", WATCHDOG_MINOR, ret); goto err_clk; diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index 4b33e3fd726bb4..d19ff5145e8260 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -339,6 +339,7 @@ static int __devinit omap_wdt_probe(struct platform_device *pdev) return 0; err_misc: + pm_runtime_disable(wdev->dev); platform_set_drvdata(pdev, NULL); iounmap(wdev->base); @@ -371,6 +372,7 @@ static int __devexit omap_wdt_remove(struct platform_device *pdev) struct omap_wdt_dev *wdev = platform_get_drvdata(pdev); struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + pm_runtime_disable(wdev->dev); if (!res) return -ENOENT; diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c index bd143c9dd3e6d0..8e210aafdfd053 100644 --- a/drivers/watchdog/pnx4008_wdt.c +++ b/drivers/watchdog/pnx4008_wdt.c @@ -226,7 +226,7 @@ static long pnx4008_wdt_ioctl(struct file *file, unsigned int cmd, static int pnx4008_wdt_release(struct inode *inode, struct file *file) { if (!test_bit(WDT_OK_TO_CLOSE, &wdt_status)) - printk(KERN_WARNING "WATCHDOG: Device closed unexpectdly\n"); + printk(KERN_WARNING "WATCHDOG: Device closed unexpectedly\n"); wdt_disable(); clk_disable(wdt_clk); diff --git a/drivers/watchdog/stmp3xxx_wdt.c b/drivers/watchdog/stmp3xxx_wdt.c index 4c2a4e8698f992..e37d81178b9e7b 100644 --- a/drivers/watchdog/stmp3xxx_wdt.c +++ b/drivers/watchdog/stmp3xxx_wdt.c @@ -174,7 +174,7 @@ static int stmp3xxx_wdt_release(struct inode *inode, struct file *file) if (!nowayout) { if (!test_bit(WDT_OK_TO_CLOSE, &wdt_status)) { wdt_ping(); - pr_debug("%s: Device closed unexpectdly\n", __func__); + pr_debug("%s: Device closed unexpectedly\n", __func__); ret = -EINVAL; } else { wdt_disable(); diff --git a/drivers/watchdog/via_wdt.c b/drivers/watchdog/via_wdt.c index 026b4bbfa0aa2a..8f07dd4bd94a67 100644 --- a/drivers/watchdog/via_wdt.c +++ b/drivers/watchdog/via_wdt.c @@ -124,8 +124,6 @@ static int wdt_stop(struct watchdog_device *wdd) static int wdt_set_timeout(struct watchdog_device *wdd, unsigned int new_timeout) { - if (new_timeout < 1 || new_timeout > WDT_TIMEOUT_MAX) - return -EINVAL; writel(new_timeout, wdt_mem + VIA_WDT_COUNT); timeout = new_timeout; return 0; @@ -150,6 +148,8 @@ static const struct watchdog_ops wdt_ops = { static struct watchdog_device wdt_dev = { .info = &wdt_info, .ops = &wdt_ops, + .min_timeout = 1, + .max_timeout = WDT_TIMEOUT_MAX, }; static int __devinit wdt_probe(struct pci_dev *pdev, @@ -233,7 +233,7 @@ static void __devexit wdt_remove(struct pci_dev *pdev) pci_disable_device(pdev); } -DEFINE_PCI_DEVICE_TABLE(wdt_pci_table) = { +static DEFINE_PCI_DEVICE_TABLE(wdt_pci_table) = { { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_CX700) }, { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX800) }, { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX855) }, diff --git a/drivers/watchdog/wafer5823wdt.c b/drivers/watchdog/wafer5823wdt.c index 42e940c2389141..c3c3188c34d744 100644 --- a/drivers/watchdog/wafer5823wdt.c +++ b/drivers/watchdog/wafer5823wdt.c @@ -152,12 +152,12 @@ static long wafwdt_ioctl(struct file *file, unsigned int cmd, return -EFAULT; if (options & WDIOS_DISABLECARD) { - wafwdt_start(); + wafwdt_stop(); retval = 0; } if (options & WDIOS_ENABLECARD) { - wafwdt_stop(); + wafwdt_start(); retval = 0; } diff --git a/drivers/watchdog/wm8350_wdt.c b/drivers/watchdog/wm8350_wdt.c index 909c78650d3e89..5d7113c7e501d1 100644 --- a/drivers/watchdog/wm8350_wdt.c +++ b/drivers/watchdog/wm8350_wdt.c @@ -212,10 +212,10 @@ static long wm8350_wdt_ioctl(struct file *file, unsigned int cmd, /* Setting both simultaneously means at least one must fail */ if (options == WDIOS_DISABLECARD) - ret = wm8350_wdt_start(wm8350); + ret = wm8350_wdt_stop(wm8350); if (options == WDIOS_ENABLECARD) - ret = wm8350_wdt_stop(wm8350); + ret = wm8350_wdt_start(wm8350); break; } diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index 1cd94daa71db83..b4d4eac761db62 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -948,9 +948,12 @@ static void gnttab_request_version(void) int rc; struct gnttab_set_version gsv; - gsv.version = 2; + if (xen_hvm_domain()) + gsv.version = 1; + else + gsv.version = 2; rc = HYPERVISOR_grant_table_op(GNTTABOP_set_version, &gsv, 1); - if (rc == 0) { + if (rc == 0 && gsv.version == 2) { grant_table_version = 2; gnttab_interface = &gnttab_v2_ops; } else if (grant_table_version == 2) { diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index b9a843226de859..633c701a287d4b 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -297,7 +297,7 @@ static int __add_delayed_refs(struct btrfs_delayed_ref_head *head, u64 seq, struct btrfs_delayed_extent_op *extent_op = head->extent_op; struct rb_node *n = &head->node.rb_node; int sgn; - int ret; + int ret = 0; if (extent_op && extent_op->update_key) btrfs_disk_key_to_cpu(info_key, &extent_op->key); @@ -392,7 +392,7 @@ static int __add_inline_refs(struct btrfs_fs_info *fs_info, struct btrfs_key *info_key, int *info_level, struct list_head *prefs) { - int ret; + int ret = 0; int slot; struct extent_buffer *leaf; struct btrfs_key key; diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index ad0b3ba735b77a..b669a7d8e49943 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -1662,7 +1662,7 @@ static void btrfsic_process_written_block(struct btrfsic_dev_state *dev_state, block = btrfsic_block_hashtable_lookup(bdev, dev_bytenr, &state->block_hashtable); if (NULL != block) { - u64 bytenr; + u64 bytenr = 0; struct list_head *elem_ref_to; struct list_head *tmp_ref_to; @@ -2777,9 +2777,10 @@ int btrfsic_submit_bh(int rw, struct buffer_head *bh) printk(KERN_INFO "submit_bh(rw=0x%x, blocknr=%lu (bytenr %llu)," " size=%lu, data=%p, bdev=%p)\n", - rw, bh->b_blocknr, - (unsigned long long)dev_bytenr, bh->b_size, - bh->b_data, bh->b_bdev); + rw, (unsigned long)bh->b_blocknr, + (unsigned long long)dev_bytenr, + (unsigned long)bh->b_size, bh->b_data, + bh->b_bdev); btrfsic_process_written_block(dev_state, dev_bytenr, bh->b_data, bh->b_size, NULL, NULL, bh, rw); @@ -2844,7 +2845,7 @@ void btrfsic_submit_bio(int rw, struct bio *bio) printk(KERN_INFO "submit_bio(rw=0x%x, bi_vcnt=%u," " bi_sector=%lu (bytenr %llu), bi_bdev=%p)\n", - rw, bio->bi_vcnt, bio->bi_sector, + rw, bio->bi_vcnt, (unsigned long)bio->bi_sector, (unsigned long long)dev_bytenr, bio->bi_bdev); diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 7aa9cd36bf1b49..811d9f918b1c29 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -962,6 +962,13 @@ static int btree_releasepage(struct page *page, gfp_t gfp_flags) tree = &BTRFS_I(page->mapping->host)->io_tree; map = &BTRFS_I(page->mapping->host)->extent_tree; + /* + * We need to mask out eg. __GFP_HIGHMEM and __GFP_DMA32 as we're doing + * slab allocation from alloc_extent_state down the callchain where + * it'd hit a BUG_ON as those flags are not allowed. + */ + gfp_flags &= ~GFP_SLAB_BUG_MASK; + ret = try_release_extent_state(map, tree, page, gfp_flags); if (!ret) return 0; diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 700879ed64cfcc..283af7a676a39b 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -34,23 +34,24 @@ #include "locking.h" #include "free-space-cache.h" -/* control flags for do_chunk_alloc's force field +/* + * control flags for do_chunk_alloc's force field * CHUNK_ALLOC_NO_FORCE means to only allocate a chunk * if we really need one. * - * CHUNK_ALLOC_FORCE means it must try to allocate one - * * CHUNK_ALLOC_LIMITED means to only try and allocate one * if we have very few chunks already allocated. This is * used as part of the clustering code to help make sure * we have a good pool of storage to cluster in, without * filling the FS with empty chunks * + * CHUNK_ALLOC_FORCE means it must try to allocate one + * */ enum { CHUNK_ALLOC_NO_FORCE = 0, - CHUNK_ALLOC_FORCE = 1, - CHUNK_ALLOC_LIMITED = 2, + CHUNK_ALLOC_LIMITED = 1, + CHUNK_ALLOC_FORCE = 2, }; /* @@ -3414,7 +3415,7 @@ static int do_chunk_alloc(struct btrfs_trans_handle *trans, again: spin_lock(&space_info->lock); - if (space_info->force_alloc) + if (force < space_info->force_alloc) force = space_info->force_alloc; if (space_info->full) { spin_unlock(&space_info->lock); @@ -5794,6 +5795,7 @@ int btrfs_reserve_extent(struct btrfs_trans_handle *trans, u64 search_end, struct btrfs_key *ins, u64 data) { + bool final_tried = false; int ret; u64 search_start = 0; @@ -5813,22 +5815,25 @@ again: search_start, search_end, hint_byte, ins, data); - if (ret == -ENOSPC && num_bytes > min_alloc_size) { - num_bytes = num_bytes >> 1; - num_bytes = num_bytes & ~(root->sectorsize - 1); - num_bytes = max(num_bytes, min_alloc_size); - do_chunk_alloc(trans, root->fs_info->extent_root, - num_bytes, data, CHUNK_ALLOC_FORCE); - goto again; - } - if (ret == -ENOSPC && btrfs_test_opt(root, ENOSPC_DEBUG)) { - struct btrfs_space_info *sinfo; - - sinfo = __find_space_info(root->fs_info, data); - printk(KERN_ERR "btrfs allocation failed flags %llu, " - "wanted %llu\n", (unsigned long long)data, - (unsigned long long)num_bytes); - dump_space_info(sinfo, num_bytes, 1); + if (ret == -ENOSPC) { + if (!final_tried) { + num_bytes = num_bytes >> 1; + num_bytes = num_bytes & ~(root->sectorsize - 1); + num_bytes = max(num_bytes, min_alloc_size); + do_chunk_alloc(trans, root->fs_info->extent_root, + num_bytes, data, CHUNK_ALLOC_FORCE); + if (num_bytes == min_alloc_size) + final_tried = true; + goto again; + } else if (btrfs_test_opt(root, ENOSPC_DEBUG)) { + struct btrfs_space_info *sinfo; + + sinfo = __find_space_info(root->fs_info, data); + printk(KERN_ERR "btrfs allocation failed flags %llu, " + "wanted %llu\n", (unsigned long long)data, + (unsigned long long)num_bytes); + dump_space_info(sinfo, num_bytes, 1); + } } trace_btrfs_reserved_extent_alloc(root, ins->objectid, ins->offset); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 9d09a4f8187581..fcf77e1ded40e8 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -3909,6 +3909,8 @@ int extent_range_uptodate(struct extent_io_tree *tree, while (start <= end) { index = start >> PAGE_CACHE_SHIFT; page = find_get_page(tree->mapping, index); + if (!page) + return 1; uptodate = PageUptodate(page); page_cache_release(page); if (!uptodate) { diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index d20ff87ca603bb..c2f20594c9f74f 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -2242,7 +2242,7 @@ u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group, if (entry->bitmap) { ret = btrfs_alloc_from_bitmap(block_group, cluster, entry, bytes, - min_start); + cluster->window_start); if (ret == 0) { node = rb_next(&entry->offset_index); if (!node) @@ -2251,6 +2251,7 @@ u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group, offset_index); continue; } + cluster->window_start += bytes; } else { ret = entry->offset; @@ -2475,7 +2476,7 @@ setup_cluster_bitmap(struct btrfs_block_group_cache *block_group, } list_for_each_entry(entry, bitmaps, list) { - if (entry->bytes < min_bytes) + if (entry->bytes < bytes) continue; ret = btrfs_bitmap_cluster(block_group, entry, cluster, offset, bytes, cont1_bytes, min_bytes); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 0da19a0ea00d5a..32214fe0f7e32e 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6401,18 +6401,23 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) unsigned long zero_start; loff_t size; int ret; + int reserved = 0; u64 page_start; u64 page_end; ret = btrfs_delalloc_reserve_space(inode, PAGE_CACHE_SIZE); - if (!ret) + if (!ret) { ret = btrfs_update_time(vma->vm_file); + reserved = 1; + } if (ret) { if (ret == -ENOMEM) ret = VM_FAULT_OOM; else /* -ENOSPC, -EIO, etc */ ret = VM_FAULT_SIGBUS; - goto out; + if (reserved) + goto out; + goto out_noreserve; } ret = VM_FAULT_NOPAGE; /* make the VM retry the fault */ @@ -6495,6 +6500,7 @@ out_unlock: unlock_page(page); out: btrfs_delalloc_release_space(inode, PAGE_CACHE_SIZE); +out_noreserve: return ret; } diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index ab620014bcc3a5..03bb62a9ee24d3 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1065,7 +1065,7 @@ int btrfs_defrag_file(struct inode *inode, struct file *file, i = range->start >> PAGE_CACHE_SHIFT; } if (!max_to_defrag) - max_to_defrag = last_index; + max_to_defrag = last_index + 1; /* * make writeback starts from i, so the defrag range can be diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index cb877e0886a71b..966cc74f5d6c73 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -1957,7 +1957,8 @@ static int wait_log_commit(struct btrfs_trans_handle *trans, finish_wait(&root->log_commit_wait[index], &wait); mutex_lock(&root->log_mutex); - } while (root->log_transid < transid + 2 && + } while (root->fs_info->last_trans_log_full_commit != + trans->transid && root->log_transid < transid + 2 && atomic_read(&root->log_commit[index])); return 0; } @@ -1966,7 +1967,8 @@ static int wait_for_writer(struct btrfs_trans_handle *trans, struct btrfs_root *root) { DEFINE_WAIT(wait); - while (atomic_read(&root->log_writers)) { + while (root->fs_info->last_trans_log_full_commit != + trans->transid && atomic_read(&root->log_writers)) { prepare_to_wait(&root->log_writer_wait, &wait, TASK_UNINTERRUPTIBLE); mutex_unlock(&root->log_mutex); diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index b60fc8bfb3e9fd..620daad201dbc8 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -641,10 +641,10 @@ static int __cap_is_valid(struct ceph_cap *cap) unsigned long ttl; u32 gen; - spin_lock(&cap->session->s_cap_lock); + spin_lock(&cap->session->s_gen_ttl_lock); gen = cap->session->s_cap_gen; ttl = cap->session->s_cap_ttl; - spin_unlock(&cap->session->s_cap_lock); + spin_unlock(&cap->session->s_gen_ttl_lock); if (cap->cap_gen < gen || time_after_eq(jiffies, ttl)) { dout("__cap_is_valid %p cap %p issued %s " diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 618246bc2196ee..3e8094be4604a4 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -975,10 +975,10 @@ static int dentry_lease_is_valid(struct dentry *dentry) di = ceph_dentry(dentry); if (di->lease_session) { s = di->lease_session; - spin_lock(&s->s_cap_lock); + spin_lock(&s->s_gen_ttl_lock); gen = s->s_cap_gen; ttl = s->s_cap_ttl; - spin_unlock(&s->s_cap_lock); + spin_unlock(&s->s_gen_ttl_lock); if (di->lease_gen == gen && time_before(jiffies, dentry->d_time) && diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 23ab6a3f1825e8..866e8d7ca37d73 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -262,6 +262,7 @@ static int parse_reply_info(struct ceph_msg *msg, /* trace */ ceph_decode_32_safe(&p, end, len, bad); if (len > 0) { + ceph_decode_need(&p, end, len, bad); err = parse_reply_info_trace(&p, p+len, info, features); if (err < 0) goto out_bad; @@ -270,6 +271,7 @@ static int parse_reply_info(struct ceph_msg *msg, /* extra */ ceph_decode_32_safe(&p, end, len, bad); if (len > 0) { + ceph_decode_need(&p, end, len, bad); err = parse_reply_info_extra(&p, p+len, info, features); if (err < 0) goto out_bad; @@ -398,9 +400,11 @@ static struct ceph_mds_session *register_session(struct ceph_mds_client *mdsc, s->s_con.peer_name.type = CEPH_ENTITY_TYPE_MDS; s->s_con.peer_name.num = cpu_to_le64(mds); - spin_lock_init(&s->s_cap_lock); + spin_lock_init(&s->s_gen_ttl_lock); s->s_cap_gen = 0; s->s_cap_ttl = 0; + + spin_lock_init(&s->s_cap_lock); s->s_renew_requested = 0; s->s_renew_seq = 0; INIT_LIST_HEAD(&s->s_caps); @@ -2326,10 +2330,10 @@ static void handle_session(struct ceph_mds_session *session, case CEPH_SESSION_STALE: pr_info("mds%d caps went stale, renewing\n", session->s_mds); - spin_lock(&session->s_cap_lock); + spin_lock(&session->s_gen_ttl_lock); session->s_cap_gen++; session->s_cap_ttl = 0; - spin_unlock(&session->s_cap_lock); + spin_unlock(&session->s_gen_ttl_lock); send_renew_caps(mdsc, session); break; diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index a50ca0e3947579..8c7c04ebb595a1 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -117,10 +117,13 @@ struct ceph_mds_session { void *s_authorizer_buf, *s_authorizer_reply_buf; size_t s_authorizer_buf_len, s_authorizer_reply_buf_len; - /* protected by s_cap_lock */ - spinlock_t s_cap_lock; + /* protected by s_gen_ttl_lock */ + spinlock_t s_gen_ttl_lock; u32 s_cap_gen; /* inc each time we get mds stale msg */ unsigned long s_cap_ttl; /* when session caps expire */ + + /* protected by s_cap_lock */ + spinlock_t s_cap_lock; struct list_head s_caps; /* all caps issued by this session */ int s_nr_caps, s_trim_caps; int s_num_cap_releases; diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index 857214ae8c0893..a76f697303d9e5 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -111,8 +111,10 @@ static size_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val, } static struct ceph_vxattr_cb ceph_file_vxattrs[] = { + { true, "ceph.file.layout", ceph_vxattrcb_layout}, + /* The following extended attribute name is deprecated */ { true, "ceph.layout", ceph_vxattrcb_layout}, - { NULL, NULL } + { true, NULL, NULL } }; static struct ceph_vxattr_cb *ceph_inode_vxattrs(struct inode *inode) diff --git a/fs/cifs/Kconfig b/fs/cifs/Kconfig index 0554b00a7b3379..2b243af70aa325 100644 --- a/fs/cifs/Kconfig +++ b/fs/cifs/Kconfig @@ -139,7 +139,7 @@ config CIFS_DFS_UPCALL points. If unsure, say N. config CIFS_FSCACHE - bool "Provide CIFS client caching support (EXPERIMENTAL)" + bool "Provide CIFS client caching support" depends on CIFS=m && FSCACHE || CIFS=y && FSCACHE=y help Makes CIFS FS-Cache capable. Say Y here if you want your CIFS data @@ -147,7 +147,7 @@ config CIFS_FSCACHE manager. If unsure, say N. config CIFS_ACL - bool "Provide CIFS ACL support (EXPERIMENTAL)" + bool "Provide CIFS ACL support" depends on CIFS_XATTR && KEYS help Allows to fetch CIFS/NTFS ACL from the server. The DACL blob diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 986709a8d90329..9c288653e6d6a6 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2142,14 +2142,14 @@ cifs_set_cifscreds(struct smb_vol *vol, struct cifs_ses *ses) len = delim - payload; if (len > MAX_USERNAME_SIZE || len <= 0) { - cFYI(1, "Bad value from username search (len=%ld)", len); + cFYI(1, "Bad value from username search (len=%zd)", len); rc = -EINVAL; goto out_key_put; } vol->username = kstrndup(payload, len, GFP_KERNEL); if (!vol->username) { - cFYI(1, "Unable to allocate %ld bytes for username", len); + cFYI(1, "Unable to allocate %zd bytes for username", len); rc = -ENOMEM; goto out_key_put; } @@ -2157,7 +2157,7 @@ cifs_set_cifscreds(struct smb_vol *vol, struct cifs_ses *ses) len = key->datalen - (len + 1); if (len > MAX_PASSWORD_SIZE || len <= 0) { - cFYI(1, "Bad len for password search (len=%ld)", len); + cFYI(1, "Bad len for password search (len=%zd)", len); rc = -EINVAL; kfree(vol->username); vol->username = NULL; @@ -2167,7 +2167,7 @@ cifs_set_cifscreds(struct smb_vol *vol, struct cifs_ses *ses) ++delim; vol->password = kstrndup(delim, len, GFP_KERNEL); if (!vol->password) { - cFYI(1, "Unable to allocate %ld bytes for password", len); + cFYI(1, "Unable to allocate %zd bytes for password", len); rc = -ENOMEM; kfree(vol->username); vol->username = NULL; @@ -3857,10 +3857,8 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, uid_t fsuid) struct smb_vol *vol_info; vol_info = kzalloc(sizeof(*vol_info), GFP_KERNEL); - if (vol_info == NULL) { - tcon = ERR_PTR(-ENOMEM); - goto out; - } + if (vol_info == NULL) + return ERR_PTR(-ENOMEM); vol_info->local_nls = cifs_sb->local_nls; vol_info->linux_uid = fsuid; diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index d85efad5765f67..551d0c2b973699 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -246,16 +246,15 @@ static void ascii_ssetup_strings(char **pbcc_area, struct cifs_ses *ses, /* copy user */ /* BB what about null user mounts - check that we do this BB */ /* copy user */ - if (ses->user_name != NULL) + if (ses->user_name != NULL) { strncpy(bcc_ptr, ses->user_name, MAX_USERNAME_SIZE); + bcc_ptr += strnlen(ses->user_name, MAX_USERNAME_SIZE); + } /* else null user mount */ - - bcc_ptr += strnlen(ses->user_name, MAX_USERNAME_SIZE); *bcc_ptr = 0; bcc_ptr++; /* account for null termination */ /* copy domain */ - if (ses->domainName != NULL) { strncpy(bcc_ptr, ses->domainName, 256); bcc_ptr += strnlen(ses->domainName, 256); @@ -395,6 +394,10 @@ static int decode_ntlmssp_challenge(char *bcc_ptr, int blob_len, ses->ntlmssp->server_flags = le32_to_cpu(pblob->NegotiateFlags); tioffset = le32_to_cpu(pblob->TargetInfoArray.BufferOffset); tilen = le16_to_cpu(pblob->TargetInfoArray.Length); + if (tioffset > blob_len || tioffset + tilen > blob_len) { + cERROR(1, "tioffset + tilen too high %u + %u", tioffset, tilen); + return -EINVAL; + } if (tilen) { ses->auth_key.response = kmalloc(tilen, GFP_KERNEL); if (!ses->auth_key.response) { diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index 2a834255c75de9..63ab24510649cc 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -417,17 +417,6 @@ static int ecryptfs_encrypt_extent(struct page *enc_extent_page, (unsigned long long)(extent_base + extent_offset), rc); goto out; } - if (unlikely(ecryptfs_verbosity > 0)) { - ecryptfs_printk(KERN_DEBUG, "Encrypting extent " - "with iv:\n"); - ecryptfs_dump_hex(extent_iv, crypt_stat->iv_bytes); - ecryptfs_printk(KERN_DEBUG, "First 8 bytes before " - "encryption:\n"); - ecryptfs_dump_hex((char *) - (page_address(page) - + (extent_offset * crypt_stat->extent_size)), - 8); - } rc = ecryptfs_encrypt_page_offset(crypt_stat, enc_extent_page, 0, page, (extent_offset * crypt_stat->extent_size), @@ -440,14 +429,6 @@ static int ecryptfs_encrypt_extent(struct page *enc_extent_page, goto out; } rc = 0; - if (unlikely(ecryptfs_verbosity > 0)) { - ecryptfs_printk(KERN_DEBUG, "Encrypt extent [0x%.16llx]; " - "rc = [%d]\n", - (unsigned long long)(extent_base + extent_offset), rc); - ecryptfs_printk(KERN_DEBUG, "First 8 bytes after " - "encryption:\n"); - ecryptfs_dump_hex((char *)(page_address(enc_extent_page)), 8); - } out: return rc; } @@ -543,17 +524,6 @@ static int ecryptfs_decrypt_extent(struct page *page, (unsigned long long)(extent_base + extent_offset), rc); goto out; } - if (unlikely(ecryptfs_verbosity > 0)) { - ecryptfs_printk(KERN_DEBUG, "Decrypting extent " - "with iv:\n"); - ecryptfs_dump_hex(extent_iv, crypt_stat->iv_bytes); - ecryptfs_printk(KERN_DEBUG, "First 8 bytes before " - "decryption:\n"); - ecryptfs_dump_hex((char *) - (page_address(enc_extent_page) - + (extent_offset * crypt_stat->extent_size)), - 8); - } rc = ecryptfs_decrypt_page_offset(crypt_stat, page, (extent_offset * crypt_stat->extent_size), @@ -567,16 +537,6 @@ static int ecryptfs_decrypt_extent(struct page *page, goto out; } rc = 0; - if (unlikely(ecryptfs_verbosity > 0)) { - ecryptfs_printk(KERN_DEBUG, "Decrypt extent [0x%.16llx]; " - "rc = [%d]\n", - (unsigned long long)(extent_base + extent_offset), rc); - ecryptfs_printk(KERN_DEBUG, "First 8 bytes after " - "decryption:\n"); - ecryptfs_dump_hex((char *)(page_address(page) - + (extent_offset - * crypt_stat->extent_size)), 8); - } out: return rc; } @@ -1590,8 +1550,8 @@ int ecryptfs_read_and_validate_xattr_region(struct dentry *dentry, */ int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry) { - int rc = 0; - char *page_virt = NULL; + int rc; + char *page_virt; struct inode *ecryptfs_inode = ecryptfs_dentry->d_inode; struct ecryptfs_crypt_stat *crypt_stat = &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat; @@ -1616,11 +1576,13 @@ int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry) ecryptfs_dentry, ECRYPTFS_VALIDATE_HEADER_SIZE); if (rc) { + /* metadata is not in the file header, so try xattrs */ memset(page_virt, 0, PAGE_CACHE_SIZE); rc = ecryptfs_read_xattr_region(page_virt, ecryptfs_inode); if (rc) { printk(KERN_DEBUG "Valid eCryptfs headers not found in " - "file header region or xattr region\n"); + "file header region or xattr region, inode %lu\n", + ecryptfs_inode->i_ino); rc = -EINVAL; goto out; } @@ -1629,7 +1591,8 @@ int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry) ECRYPTFS_DONT_VALIDATE_HEADER_SIZE); if (rc) { printk(KERN_DEBUG "Valid eCryptfs headers not found in " - "file xattr region either\n"); + "file xattr region either, inode %lu\n", + ecryptfs_inode->i_ino); rc = -EINVAL; } if (crypt_stat->mount_crypt_stat->flags @@ -1640,7 +1603,8 @@ int ecryptfs_read_metadata(struct dentry *ecryptfs_dentry) "crypto metadata only in the extended attribute " "region, but eCryptfs was mounted without " "xattr support enabled. eCryptfs will not treat " - "this like an encrypted file.\n"); + "this like an encrypted file, inode %lu\n", + ecryptfs_inode->i_ino); rc = -EINVAL; } } diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index a9f29b12fbf290..a2362df58ae8df 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -151,6 +151,11 @@ ecryptfs_get_key_payload_data(struct key *key) * dentry name */ #define ECRYPTFS_TAG_73_PACKET_TYPE 0x49 /* FEK-encrypted filename as * metadata */ +#define ECRYPTFS_MIN_PKT_LEN_SIZE 1 /* Min size to specify packet length */ +#define ECRYPTFS_MAX_PKT_LEN_SIZE 2 /* Pass at least this many bytes to + * ecryptfs_parse_packet_length() and + * ecryptfs_write_packet_length() + */ /* Constraint: ECRYPTFS_FILENAME_MIN_RANDOM_PREPEND_BYTES >= * ECRYPTFS_MAX_IV_BYTES */ #define ECRYPTFS_FILENAME_MIN_RANDOM_PREPEND_BYTES 16 diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 19a8ca4ab1ddc5..19892d7d2ed112 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -822,18 +822,6 @@ static int truncate_upper(struct dentry *dentry, struct iattr *ia, size_t num_zeros = (PAGE_CACHE_SIZE - (ia->ia_size & ~PAGE_CACHE_MASK)); - - /* - * XXX(truncate) this should really happen at the begginning - * of ->setattr. But the code is too messy to that as part - * of a larger patch. ecryptfs is also totally missing out - * on the inode_change_ok check at the beginning of - * ->setattr while would include this. - */ - rc = inode_newsize_ok(inode, ia->ia_size); - if (rc) - goto out; - if (!(crypt_stat->flags & ECRYPTFS_ENCRYPTED)) { truncate_setsize(inode, ia->ia_size); lower_ia->ia_size = ia->ia_size; @@ -883,6 +871,28 @@ out: return rc; } +static int ecryptfs_inode_newsize_ok(struct inode *inode, loff_t offset) +{ + struct ecryptfs_crypt_stat *crypt_stat; + loff_t lower_oldsize, lower_newsize; + + crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat; + lower_oldsize = upper_size_to_lower_size(crypt_stat, + i_size_read(inode)); + lower_newsize = upper_size_to_lower_size(crypt_stat, offset); + if (lower_newsize > lower_oldsize) { + /* + * The eCryptfs inode and the new *lower* size are mixed here + * because we may not have the lower i_mutex held and/or it may + * not be appropriate to call inode_newsize_ok() with inodes + * from other filesystems. + */ + return inode_newsize_ok(inode, lower_newsize); + } + + return 0; +} + /** * ecryptfs_truncate * @dentry: The ecryptfs layer dentry @@ -899,6 +909,10 @@ int ecryptfs_truncate(struct dentry *dentry, loff_t new_length) struct iattr lower_ia = { .ia_valid = 0 }; int rc; + rc = ecryptfs_inode_newsize_ok(dentry->d_inode, new_length); + if (rc) + return rc; + rc = truncate_upper(dentry, &ia, &lower_ia); if (!rc && lower_ia.ia_valid & ATTR_SIZE) { struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry); @@ -978,6 +992,16 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia) } } mutex_unlock(&crypt_stat->cs_mutex); + + rc = inode_change_ok(inode, ia); + if (rc) + goto out; + if (ia->ia_valid & ATTR_SIZE) { + rc = ecryptfs_inode_newsize_ok(inode, ia->ia_size); + if (rc) + goto out; + } + if (S_ISREG(inode->i_mode)) { rc = filemap_write_and_wait(inode->i_mapping); if (rc) diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c index ac1ad48c2376df..8e3b943e330f5b 100644 --- a/fs/ecryptfs/keystore.c +++ b/fs/ecryptfs/keystore.c @@ -109,7 +109,7 @@ int ecryptfs_parse_packet_length(unsigned char *data, size_t *size, (*size) += ((unsigned char)(data[1]) + 192); (*length_size) = 2; } else if (data[0] == 255) { - /* Five-byte length; we're not supposed to see this */ + /* If support is added, adjust ECRYPTFS_MAX_PKT_LEN_SIZE */ ecryptfs_printk(KERN_ERR, "Five-byte packet length not " "supported\n"); rc = -EINVAL; @@ -126,7 +126,7 @@ out: /** * ecryptfs_write_packet_length * @dest: The byte array target into which to write the length. Must - * have at least 5 bytes allocated. + * have at least ECRYPTFS_MAX_PKT_LEN_SIZE bytes allocated. * @size: The length to write. * @packet_size_length: The number of bytes used to encode the packet * length is written to this address. @@ -146,6 +146,7 @@ int ecryptfs_write_packet_length(char *dest, size_t size, dest[1] = ((size - 192) % 256); (*packet_size_length) = 2; } else { + /* If support is added, adjust ECRYPTFS_MAX_PKT_LEN_SIZE */ rc = -EINVAL; ecryptfs_printk(KERN_WARNING, "Unsupported packet size: [%zd]\n", size); diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c index 940a82e63dc3fc..349209dc6a9162 100644 --- a/fs/ecryptfs/miscdev.c +++ b/fs/ecryptfs/miscdev.c @@ -218,6 +218,29 @@ out_unlock: return rc; } +/* + * miscdevfs packet format: + * Octet 0: Type + * Octets 1-4: network byte order msg_ctx->counter + * Octets 5-N0: Size of struct ecryptfs_message to follow + * Octets N0-N1: struct ecryptfs_message (including data) + * + * Octets 5-N1 not written if the packet type does not include a message + */ +#define PKT_TYPE_SIZE 1 +#define PKT_CTR_SIZE 4 +#define MIN_NON_MSG_PKT_SIZE (PKT_TYPE_SIZE + PKT_CTR_SIZE) +#define MIN_MSG_PKT_SIZE (PKT_TYPE_SIZE + PKT_CTR_SIZE \ + + ECRYPTFS_MIN_PKT_LEN_SIZE) +/* 4 + ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES comes from tag 65 packet format */ +#define MAX_MSG_PKT_SIZE (PKT_TYPE_SIZE + PKT_CTR_SIZE \ + + ECRYPTFS_MAX_PKT_LEN_SIZE \ + + sizeof(struct ecryptfs_message) \ + + 4 + ECRYPTFS_MAX_ENCRYPTED_KEY_BYTES) +#define PKT_TYPE_OFFSET 0 +#define PKT_CTR_OFFSET PKT_TYPE_SIZE +#define PKT_LEN_OFFSET (PKT_TYPE_SIZE + PKT_CTR_SIZE) + /** * ecryptfs_miscdev_read - format and send message from queue * @file: fs/ecryptfs/euid miscdevfs handle (ignored) @@ -237,7 +260,7 @@ ecryptfs_miscdev_read(struct file *file, char __user *buf, size_t count, struct ecryptfs_daemon *daemon; struct ecryptfs_msg_ctx *msg_ctx; size_t packet_length_size; - char packet_length[3]; + char packet_length[ECRYPTFS_MAX_PKT_LEN_SIZE]; size_t i; size_t total_length; uid_t euid = current_euid(); @@ -305,15 +328,8 @@ check_list: packet_length_size = 0; msg_ctx->msg_size = 0; } - /* miscdevfs packet format: - * Octet 0: Type - * Octets 1-4: network byte order msg_ctx->counter - * Octets 5-N0: Size of struct ecryptfs_message to follow - * Octets N0-N1: struct ecryptfs_message (including data) - * - * Octets 5-N1 not written if the packet type does not - * include a message */ - total_length = (1 + 4 + packet_length_size + msg_ctx->msg_size); + total_length = (PKT_TYPE_SIZE + PKT_CTR_SIZE + packet_length_size + + msg_ctx->msg_size); if (count < total_length) { rc = 0; printk(KERN_WARNING "%s: Only given user buffer of " @@ -324,9 +340,10 @@ check_list: rc = -EFAULT; if (put_user(msg_ctx->type, buf)) goto out_unlock_msg_ctx; - if (put_user(cpu_to_be32(msg_ctx->counter), (__be32 __user *)(buf + 1))) + if (put_user(cpu_to_be32(msg_ctx->counter), + (__be32 __user *)(&buf[PKT_CTR_OFFSET]))) goto out_unlock_msg_ctx; - i = 5; + i = PKT_TYPE_SIZE + PKT_CTR_SIZE; if (msg_ctx->msg) { if (copy_to_user(&buf[i], packet_length, packet_length_size)) goto out_unlock_msg_ctx; @@ -391,12 +408,6 @@ out: * @count: Amount of data in @buf * @ppos: Pointer to offset in file (ignored) * - * miscdevfs packet format: - * Octet 0: Type - * Octets 1-4: network byte order msg_ctx->counter (0's for non-response) - * Octets 5-N0: Size of struct ecryptfs_message to follow - * Octets N0-N1: struct ecryptfs_message (including data) - * * Returns the number of bytes read from @buf */ static ssize_t @@ -405,60 +416,78 @@ ecryptfs_miscdev_write(struct file *file, const char __user *buf, { __be32 counter_nbo; u32 seq; - size_t packet_size, packet_size_length, i; - ssize_t sz = 0; + size_t packet_size, packet_size_length; char *data; uid_t euid = current_euid(); - int rc; + unsigned char packet_size_peek[ECRYPTFS_MAX_PKT_LEN_SIZE]; + ssize_t rc; - if (count == 0) - goto out; + if (count == 0) { + return 0; + } else if (count == MIN_NON_MSG_PKT_SIZE) { + /* Likely a harmless MSG_HELO or MSG_QUIT - no packet length */ + goto memdup; + } else if (count < MIN_MSG_PKT_SIZE || count > MAX_MSG_PKT_SIZE) { + printk(KERN_WARNING "%s: Acceptable packet size range is " + "[%d-%lu], but amount of data written is [%zu].", + __func__, MIN_MSG_PKT_SIZE, MAX_MSG_PKT_SIZE, count); + return -EINVAL; + } + + if (copy_from_user(packet_size_peek, &buf[PKT_LEN_OFFSET], + sizeof(packet_size_peek))) { + printk(KERN_WARNING "%s: Error while inspecting packet size\n", + __func__); + return -EFAULT; + } + rc = ecryptfs_parse_packet_length(packet_size_peek, &packet_size, + &packet_size_length); + if (rc) { + printk(KERN_WARNING "%s: Error parsing packet length; " + "rc = [%zd]\n", __func__, rc); + return rc; + } + + if ((PKT_TYPE_SIZE + PKT_CTR_SIZE + packet_size_length + packet_size) + != count) { + printk(KERN_WARNING "%s: Invalid packet size [%zu]\n", __func__, + packet_size); + return -EINVAL; + } + +memdup: data = memdup_user(buf, count); if (IS_ERR(data)) { printk(KERN_ERR "%s: memdup_user returned error [%ld]\n", __func__, PTR_ERR(data)); - goto out; + return PTR_ERR(data); } - sz = count; - i = 0; - switch (data[i++]) { + switch (data[PKT_TYPE_OFFSET]) { case ECRYPTFS_MSG_RESPONSE: - if (count < (1 + 4 + 1 + sizeof(struct ecryptfs_message))) { + if (count < (MIN_MSG_PKT_SIZE + + sizeof(struct ecryptfs_message))) { printk(KERN_WARNING "%s: Minimum acceptable packet " "size is [%zd], but amount of data written is " "only [%zd]. Discarding response packet.\n", __func__, - (1 + 4 + 1 + sizeof(struct ecryptfs_message)), - count); + (MIN_MSG_PKT_SIZE + + sizeof(struct ecryptfs_message)), count); + rc = -EINVAL; goto out_free; } - memcpy(&counter_nbo, &data[i], 4); + memcpy(&counter_nbo, &data[PKT_CTR_OFFSET], PKT_CTR_SIZE); seq = be32_to_cpu(counter_nbo); - i += 4; - rc = ecryptfs_parse_packet_length(&data[i], &packet_size, - &packet_size_length); + rc = ecryptfs_miscdev_response( + &data[PKT_LEN_OFFSET + packet_size_length], + packet_size, euid, current_user_ns(), + task_pid(current), seq); if (rc) { - printk(KERN_WARNING "%s: Error parsing packet length; " - "rc = [%d]\n", __func__, rc); - goto out_free; - } - i += packet_size_length; - if ((1 + 4 + packet_size_length + packet_size) != count) { - printk(KERN_WARNING "%s: (1 + packet_size_length([%zd])" - " + packet_size([%zd]))([%zd]) != " - "count([%zd]). Invalid packet format.\n", - __func__, packet_size_length, packet_size, - (1 + packet_size_length + packet_size), count); - goto out_free; - } - rc = ecryptfs_miscdev_response(&data[i], packet_size, - euid, current_user_ns(), - task_pid(current), seq); - if (rc) printk(KERN_WARNING "%s: Failed to deliver miscdev " - "response to requesting operation; rc = [%d]\n", + "response to requesting operation; rc = [%zd]\n", __func__, rc); + goto out_free; + } break; case ECRYPTFS_MSG_HELO: case ECRYPTFS_MSG_QUIT: @@ -467,12 +496,13 @@ ecryptfs_miscdev_write(struct file *file, const char __user *buf, ecryptfs_printk(KERN_WARNING, "Dropping miscdev " "message of unrecognized type [%d]\n", data[0]); - break; + rc = -EINVAL; + goto out_free; } + rc = count; out_free: kfree(data); -out: - return sz; + return rc; } diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 6a44148c5fb97e..10ec695ccd6832 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -57,6 +57,10 @@ struct page *ecryptfs_get_locked_page(struct inode *inode, loff_t index) * @page: Page that is locked before this call is made * * Returns zero on success; non-zero otherwise + * + * This is where we encrypt the data and pass the encrypted data to + * the lower filesystem. In OpenPGP-compatible mode, we operate on + * entire underlying packets. */ static int ecryptfs_writepage(struct page *page, struct writeback_control *wbc) { @@ -481,10 +485,6 @@ int ecryptfs_write_inode_size_to_metadata(struct inode *ecryptfs_inode) * @copied: The amount of data copied * @page: The eCryptfs page * @fsdata: The fsdata (unused) - * - * This is where we encrypt the data and pass the encrypted data to - * the lower filesystem. In OpenPGP-compatible mode, we operate on - * entire underlying packets. */ static int ecryptfs_write_end(struct file *file, struct address_space *mapping, diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c index 3745f7c2b9c214..5c0106f757756e 100644 --- a/fs/ecryptfs/read_write.c +++ b/fs/ecryptfs/read_write.c @@ -130,13 +130,18 @@ int ecryptfs_write(struct inode *ecryptfs_inode, char *data, loff_t offset, pgoff_t ecryptfs_page_idx = (pos >> PAGE_CACHE_SHIFT); size_t start_offset_in_page = (pos & ~PAGE_CACHE_MASK); size_t num_bytes = (PAGE_CACHE_SIZE - start_offset_in_page); - size_t total_remaining_bytes = ((offset + size) - pos); + loff_t total_remaining_bytes = ((offset + size) - pos); + + if (fatal_signal_pending(current)) { + rc = -EINTR; + break; + } if (num_bytes > total_remaining_bytes) num_bytes = total_remaining_bytes; if (pos < offset) { /* remaining zeros to write, up to destination offset */ - size_t total_remaining_zeros = (offset - pos); + loff_t total_remaining_zeros = (offset - pos); if (num_bytes > total_remaining_zeros) num_bytes = total_remaining_zeros; @@ -193,15 +198,19 @@ int ecryptfs_write(struct inode *ecryptfs_inode, char *data, loff_t offset, } pos += num_bytes; } - if ((offset + size) > ecryptfs_file_size) { - i_size_write(ecryptfs_inode, (offset + size)); + if (pos > ecryptfs_file_size) { + i_size_write(ecryptfs_inode, pos); if (crypt_stat->flags & ECRYPTFS_ENCRYPTED) { - rc = ecryptfs_write_inode_size_to_metadata( + int rc2; + + rc2 = ecryptfs_write_inode_size_to_metadata( ecryptfs_inode); - if (rc) { + if (rc2) { printk(KERN_ERR "Problem with " "ecryptfs_write_inode_size_to_metadata; " - "rc = [%d]\n", rc); + "rc = [%d]\n", rc2); + if (!rc) + rc = rc2; goto out; } } @@ -273,76 +282,3 @@ int ecryptfs_read_lower_page_segment(struct page *page_for_ecryptfs, flush_dcache_page(page_for_ecryptfs); return rc; } - -#if 0 -/** - * ecryptfs_read - * @data: The virtual address into which to write the data read (and - * possibly decrypted) from the lower file - * @offset: The offset in the decrypted view of the file from which to - * read into @data - * @size: The number of bytes to read into @data - * @ecryptfs_file: The eCryptfs file from which to read - * - * Read an arbitrary amount of data from an arbitrary location in the - * eCryptfs page cache. This is done on an extent-by-extent basis; - * individual extents are decrypted and read from the lower page - * cache (via VFS reads). This function takes care of all the - * address translation to locations in the lower filesystem. - * - * Returns zero on success; non-zero otherwise - */ -int ecryptfs_read(char *data, loff_t offset, size_t size, - struct file *ecryptfs_file) -{ - struct inode *ecryptfs_inode = ecryptfs_file->f_dentry->d_inode; - struct page *ecryptfs_page; - char *ecryptfs_page_virt; - loff_t ecryptfs_file_size = i_size_read(ecryptfs_inode); - loff_t data_offset = 0; - loff_t pos; - int rc = 0; - - if ((offset + size) > ecryptfs_file_size) { - rc = -EINVAL; - printk(KERN_ERR "%s: Attempt to read data past the end of the " - "file; offset = [%lld]; size = [%td]; " - "ecryptfs_file_size = [%lld]\n", - __func__, offset, size, ecryptfs_file_size); - goto out; - } - pos = offset; - while (pos < (offset + size)) { - pgoff_t ecryptfs_page_idx = (pos >> PAGE_CACHE_SHIFT); - size_t start_offset_in_page = (pos & ~PAGE_CACHE_MASK); - size_t num_bytes = (PAGE_CACHE_SIZE - start_offset_in_page); - size_t total_remaining_bytes = ((offset + size) - pos); - - if (num_bytes > total_remaining_bytes) - num_bytes = total_remaining_bytes; - ecryptfs_page = ecryptfs_get_locked_page(ecryptfs_inode, - ecryptfs_page_idx); - if (IS_ERR(ecryptfs_page)) { - rc = PTR_ERR(ecryptfs_page); - printk(KERN_ERR "%s: Error getting page at " - "index [%ld] from eCryptfs inode " - "mapping; rc = [%d]\n", __func__, - ecryptfs_page_idx, rc); - goto out; - } - ecryptfs_page_virt = kmap_atomic(ecryptfs_page, KM_USER0); - memcpy((data + data_offset), - ((char *)ecryptfs_page_virt + start_offset_in_page), - num_bytes); - kunmap_atomic(ecryptfs_page_virt, KM_USER0); - flush_dcache_page(ecryptfs_page); - SetPageUptodate(ecryptfs_page); - unlock_page(ecryptfs_page); - page_cache_release(ecryptfs_page); - pos += num_bytes; - data_offset += num_bytes; - } -out: - return rc; -} -#endif /* 0 */ diff --git a/fs/exec.c b/fs/exec.c index aeb135c7ff5c0c..92ce83a11e90ac 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1071,6 +1071,21 @@ void set_task_comm(struct task_struct *tsk, char *buf) perf_event_comm(tsk); } +static void filename_to_taskname(char *tcomm, const char *fn, unsigned int len) +{ + int i, ch; + + /* Copies the binary name from after last slash */ + for (i = 0; (ch = *(fn++)) != '\0';) { + if (ch == '/') + i = 0; /* overwrite what we wrote */ + else + if (i < len - 1) + tcomm[i++] = ch; + } + tcomm[i] = '\0'; +} + int flush_old_exec(struct linux_binprm * bprm) { int retval; @@ -1085,6 +1100,7 @@ int flush_old_exec(struct linux_binprm * bprm) set_mm_exe_file(bprm->mm, bprm->file); + filename_to_taskname(bprm->tcomm, bprm->filename, sizeof(bprm->tcomm)); /* * Release all of the old mmap stuff */ @@ -1116,10 +1132,6 @@ EXPORT_SYMBOL(would_dump); void setup_new_exec(struct linux_binprm * bprm) { - int i, ch; - const char *name; - char tcomm[sizeof(current->comm)]; - arch_pick_mmap_layout(current->mm); /* This is the point of no return */ @@ -1130,18 +1142,7 @@ void setup_new_exec(struct linux_binprm * bprm) else set_dumpable(current->mm, suid_dumpable); - name = bprm->filename; - - /* Copies the binary name from after last slash */ - for (i=0; (ch = *(name++)) != '\0';) { - if (ch == '/') - i = 0; /* overwrite what we wrote */ - else - if (i < (sizeof(tcomm) - 1)) - tcomm[i++] = ch; - } - tcomm[i] = '\0'; - set_task_comm(current, tcomm); + set_task_comm(current, bprm->tcomm); /* Set the new mm task size. We have to do that late because it may * depend on TIF_32BIT which is only updated in flush_thread() on diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index f855916657ba91..5b4a9362d5aafd 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -53,14 +53,6 @@ struct wb_writeback_work { }; /* - * Include the creation of the trace points after defining the - * wb_writeback_work structure so that the definition remains local to this - * file. - */ -#define CREATE_TRACE_POINTS -#include <trace/events/writeback.h> - -/* * We don't actually have pdflush, but this one is exported though /proc... */ int nr_pdflush_threads; @@ -92,6 +84,14 @@ static inline struct inode *wb_inode(struct list_head *head) return list_entry(head, struct inode, i_wb_list); } +/* + * Include the creation of the trace points after defining the + * wb_writeback_work structure and inline functions so that the definition + * remains local to this file. + */ +#define CREATE_TRACE_POINTS +#include <trace/events/writeback.h> + /* Wakeup flusher thread or forker thread to fork it. Requires bdi->wb_lock. */ static void bdi_wakeup_flusher(struct backing_dev_info *bdi) { diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c index a01cdad6aad181..eafb8d37a6fb89 100644 --- a/fs/jffs2/erase.c +++ b/fs/jffs2/erase.c @@ -335,7 +335,7 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl void *ebuf; uint32_t ofs; size_t retlen; - int ret = -EIO; + int ret; unsigned long *wordebuf; ret = mtd_point(c->mtd, jeb->offset, c->sector_size, &retlen, diff --git a/fs/logfs/dev_mtd.c b/fs/logfs/dev_mtd.c index e97404d611e0ab..9c501449450dc9 100644 --- a/fs/logfs/dev_mtd.c +++ b/fs/logfs/dev_mtd.c @@ -152,9 +152,6 @@ static struct page *logfs_mtd_find_first_sb(struct super_block *sb, u64 *ofs) filler_t *filler = logfs_mtd_readpage; struct mtd_info *mtd = super->s_mtd; - if (!mtd_can_have_bb(mtd)) - return NULL; - *ofs = 0; while (mtd_block_isbad(mtd, *ofs)) { *ofs += mtd->erasesize; @@ -172,9 +169,6 @@ static struct page *logfs_mtd_find_last_sb(struct super_block *sb, u64 *ofs) filler_t *filler = logfs_mtd_readpage; struct mtd_info *mtd = super->s_mtd; - if (!mtd_can_have_bb(mtd)) - return NULL; - *ofs = mtd->size - mtd->erasesize; while (mtd_block_isbad(mtd, *ofs)) { *ofs -= mtd->erasesize; diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c index 501043e8966ce0..3de7a32cadbe10 100644 --- a/fs/logfs/dir.c +++ b/fs/logfs/dir.c @@ -71,7 +71,7 @@ static int write_dir(struct inode *dir, struct logfs_disk_dentry *dd, static int write_inode(struct inode *inode) { - return __logfs_write_inode(inode, WF_LOCK); + return __logfs_write_inode(inode, NULL, WF_LOCK); } static s64 dir_seek_data(struct inode *inode, s64 pos) diff --git a/fs/logfs/file.c b/fs/logfs/file.c index b548c87a86f1db..3886cded283c4f 100644 --- a/fs/logfs/file.c +++ b/fs/logfs/file.c @@ -230,7 +230,9 @@ int logfs_fsync(struct file *file, loff_t start, loff_t end, int datasync) return ret; mutex_lock(&inode->i_mutex); + logfs_get_wblocks(sb, NULL, WF_LOCK); logfs_write_anchor(sb); + logfs_put_wblocks(sb, NULL, WF_LOCK); mutex_unlock(&inode->i_mutex); return 0; diff --git a/fs/logfs/gc.c b/fs/logfs/gc.c index caa4419285dcac..d4efb061bdc5d1 100644 --- a/fs/logfs/gc.c +++ b/fs/logfs/gc.c @@ -367,7 +367,7 @@ static struct gc_candidate *get_candidate(struct super_block *sb) int i, max_dist; struct gc_candidate *cand = NULL, *this; - max_dist = min(no_free_segments(sb), LOGFS_NO_AREAS); + max_dist = min(no_free_segments(sb), LOGFS_NO_AREAS - 1); for (i = max_dist; i >= 0; i--) { this = first_in_list(&super->s_low_list[i]); diff --git a/fs/logfs/inode.c b/fs/logfs/inode.c index 388df1aa35e583..a422f42238b250 100644 --- a/fs/logfs/inode.c +++ b/fs/logfs/inode.c @@ -286,7 +286,7 @@ static int logfs_write_inode(struct inode *inode, struct writeback_control *wbc) if (logfs_inode(inode)->li_flags & LOGFS_IF_STILLBORN) return 0; - ret = __logfs_write_inode(inode, flags); + ret = __logfs_write_inode(inode, NULL, flags); LOGFS_BUG_ON(ret, inode->i_sb); return ret; } @@ -363,7 +363,9 @@ static void logfs_init_once(void *_li) static int logfs_sync_fs(struct super_block *sb, int wait) { + logfs_get_wblocks(sb, NULL, WF_LOCK); logfs_write_anchor(sb); + logfs_put_wblocks(sb, NULL, WF_LOCK); return 0; } diff --git a/fs/logfs/journal.c b/fs/logfs/journal.c index 9da29706f91cd7..1e1c369df22bb0 100644 --- a/fs/logfs/journal.c +++ b/fs/logfs/journal.c @@ -612,7 +612,6 @@ static size_t __logfs_write_je(struct super_block *sb, void *buf, u16 type, if (len == 0) return logfs_write_header(super, header, 0, type); - BUG_ON(len > sb->s_blocksize); compr_len = logfs_compress(buf, data, len, sb->s_blocksize); if (compr_len < 0 || type == JE_ANCHOR) { memcpy(data, buf, len); diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h index 926373866a5510..5f09376094651c 100644 --- a/fs/logfs/logfs.h +++ b/fs/logfs/logfs.h @@ -528,7 +528,7 @@ void logfs_destroy_inode_cache(void); void logfs_set_blocks(struct inode *inode, u64 no); /* these logically belong into inode.c but actually reside in readwrite.c */ int logfs_read_inode(struct inode *inode); -int __logfs_write_inode(struct inode *inode, long flags); +int __logfs_write_inode(struct inode *inode, struct page *, long flags); void logfs_evict_inode(struct inode *inode); /* journal.c */ @@ -577,6 +577,8 @@ void initialize_block_counters(struct page *page, struct logfs_block *block, __be64 *array, int page_is_empty); int logfs_exist_block(struct inode *inode, u64 bix); int get_page_reserve(struct inode *inode, struct page *page); +void logfs_get_wblocks(struct super_block *sb, struct page *page, int lock); +void logfs_put_wblocks(struct super_block *sb, struct page *page, int lock); extern struct logfs_block_ops indirect_block_ops; /* segment.c */ @@ -594,6 +596,7 @@ int logfs_init_mapping(struct super_block *sb); void logfs_sync_area(struct logfs_area *area); void logfs_sync_segments(struct super_block *sb); void freeseg(struct super_block *sb, u32 segno); +void free_areas(struct super_block *sb); /* area handling */ int logfs_init_areas(struct super_block *sb); diff --git a/fs/logfs/readwrite.c b/fs/logfs/readwrite.c index 2ac4217b7901cb..4153e65b01488b 100644 --- a/fs/logfs/readwrite.c +++ b/fs/logfs/readwrite.c @@ -244,8 +244,7 @@ static void preunlock_page(struct super_block *sb, struct page *page, int lock) * is waiting for s_write_mutex. We annotate this fact by setting PG_pre_locked * in addition to PG_locked. */ -static void logfs_get_wblocks(struct super_block *sb, struct page *page, - int lock) +void logfs_get_wblocks(struct super_block *sb, struct page *page, int lock) { struct logfs_super *super = logfs_super(sb); @@ -260,8 +259,7 @@ static void logfs_get_wblocks(struct super_block *sb, struct page *page, } } -static void logfs_put_wblocks(struct super_block *sb, struct page *page, - int lock) +void logfs_put_wblocks(struct super_block *sb, struct page *page, int lock) { struct logfs_super *super = logfs_super(sb); @@ -424,7 +422,7 @@ static void inode_write_block(struct logfs_block *block) if (inode->i_ino == LOGFS_INO_MASTER) logfs_write_anchor(inode->i_sb); else { - ret = __logfs_write_inode(inode, 0); + ret = __logfs_write_inode(inode, NULL, 0); /* see indirect_write_block comment */ BUG_ON(ret); } @@ -560,8 +558,13 @@ static void inode_free_block(struct super_block *sb, struct logfs_block *block) static void indirect_free_block(struct super_block *sb, struct logfs_block *block) { - ClearPagePrivate(block->page); - block->page->private = 0; + struct page *page = block->page; + + if (PagePrivate(page)) { + ClearPagePrivate(page); + page_cache_release(page); + set_page_private(page, 0); + } __free_block(sb, block); } @@ -650,8 +653,11 @@ static void alloc_data_block(struct inode *inode, struct page *page) logfs_unpack_index(page->index, &bix, &level); block = __alloc_block(inode->i_sb, inode->i_ino, bix, level); block->page = page; + SetPagePrivate(page); - page->private = (unsigned long)block; + page_cache_get(page); + set_page_private(page, (unsigned long) block); + block->ops = &indirect_block_ops; } @@ -1570,11 +1576,15 @@ int logfs_write_buf(struct inode *inode, struct page *page, long flags) static int __logfs_delete(struct inode *inode, struct page *page) { long flags = WF_DELETE; + int err; inode->i_ctime = inode->i_mtime = CURRENT_TIME; if (page->index < I0_BLOCKS) return logfs_write_direct(inode, page, flags); + err = grow_inode(inode, page->index, 0); + if (err) + return err; return logfs_write_rec(inode, page, page->index, 0, flags); } @@ -1623,7 +1633,7 @@ int logfs_rewrite_block(struct inode *inode, u64 bix, u64 ofs, if (inode->i_ino == LOGFS_INO_MASTER) logfs_write_anchor(inode->i_sb); else { - err = __logfs_write_inode(inode, flags); + err = __logfs_write_inode(inode, page, flags); } } } @@ -1873,7 +1883,7 @@ int logfs_truncate(struct inode *inode, u64 target) logfs_get_wblocks(sb, NULL, 1); err = __logfs_truncate(inode, size); if (!err) - err = __logfs_write_inode(inode, 0); + err = __logfs_write_inode(inode, NULL, 0); logfs_put_wblocks(sb, NULL, 1); } @@ -1901,8 +1911,11 @@ static void move_page_to_inode(struct inode *inode, struct page *page) li->li_block = block; block->page = NULL; - page->private = 0; - ClearPagePrivate(page); + if (PagePrivate(page)) { + ClearPagePrivate(page); + page_cache_release(page); + set_page_private(page, 0); + } } static void move_inode_to_page(struct page *page, struct inode *inode) @@ -1918,8 +1931,12 @@ static void move_inode_to_page(struct page *page, struct inode *inode) BUG_ON(PagePrivate(page)); block->ops = &indirect_block_ops; block->page = page; - page->private = (unsigned long)block; - SetPagePrivate(page); + + if (!PagePrivate(page)) { + SetPagePrivate(page); + page_cache_get(page); + set_page_private(page, (unsigned long) block); + } block->inode = NULL; li->li_block = NULL; @@ -2106,14 +2123,14 @@ void logfs_set_segment_unreserved(struct super_block *sb, u32 segno, u32 ec) ec_level); } -int __logfs_write_inode(struct inode *inode, long flags) +int __logfs_write_inode(struct inode *inode, struct page *page, long flags) { struct super_block *sb = inode->i_sb; int ret; - logfs_get_wblocks(sb, NULL, flags & WF_LOCK); + logfs_get_wblocks(sb, page, flags & WF_LOCK); ret = do_write_inode(inode); - logfs_put_wblocks(sb, NULL, flags & WF_LOCK); + logfs_put_wblocks(sb, page, flags & WF_LOCK); return ret; } diff --git a/fs/logfs/segment.c b/fs/logfs/segment.c index 9d5187353255dd..ab798ed1cc8839 100644 --- a/fs/logfs/segment.c +++ b/fs/logfs/segment.c @@ -86,7 +86,11 @@ int __logfs_buf_write(struct logfs_area *area, u64 ofs, void *buf, size_t len, BUG_ON(!page); /* FIXME: reserve a pool */ SetPageUptodate(page); memcpy(page_address(page) + offset, buf, copylen); - SetPagePrivate(page); + + if (!PagePrivate(page)) { + SetPagePrivate(page); + page_cache_get(page); + } page_cache_release(page); buf += copylen; @@ -110,7 +114,10 @@ static void pad_partial_page(struct logfs_area *area) page = get_mapping_page(sb, index, 0); BUG_ON(!page); /* FIXME: reserve a pool */ memset(page_address(page) + offset, 0xff, len); - SetPagePrivate(page); + if (!PagePrivate(page)) { + SetPagePrivate(page); + page_cache_get(page); + } page_cache_release(page); } } @@ -130,7 +137,10 @@ static void pad_full_pages(struct logfs_area *area) BUG_ON(!page); /* FIXME: reserve a pool */ SetPageUptodate(page); memset(page_address(page), 0xff, PAGE_CACHE_SIZE); - SetPagePrivate(page); + if (!PagePrivate(page)) { + SetPagePrivate(page); + page_cache_get(page); + } page_cache_release(page); index++; no_indizes--; @@ -485,8 +495,12 @@ static void move_btree_to_page(struct inode *inode, struct page *page, mempool_free(item, super->s_alias_pool); } block->page = page; - SetPagePrivate(page); - page->private = (unsigned long)block; + + if (!PagePrivate(page)) { + SetPagePrivate(page); + page_cache_get(page); + set_page_private(page, (unsigned long) block); + } block->ops = &indirect_block_ops; initialize_block_counters(page, block, data, 0); } @@ -536,8 +550,12 @@ void move_page_to_btree(struct page *page) list_add(&item->list, &block->item_list); } block->page = NULL; - ClearPagePrivate(page); - page->private = 0; + + if (PagePrivate(page)) { + ClearPagePrivate(page); + page_cache_release(page); + set_page_private(page, 0); + } block->ops = &btree_block_ops; err = alias_tree_insert(block->sb, block->ino, block->bix, block->level, block); @@ -702,7 +720,10 @@ void freeseg(struct super_block *sb, u32 segno) page = find_get_page(mapping, ofs >> PAGE_SHIFT); if (!page) continue; - ClearPagePrivate(page); + if (PagePrivate(page)) { + ClearPagePrivate(page); + page_cache_release(page); + } page_cache_release(page); } } @@ -841,6 +862,16 @@ static void free_area(struct logfs_area *area) kfree(area); } +void free_areas(struct super_block *sb) +{ + struct logfs_super *super = logfs_super(sb); + int i; + + for_each_area(i) + free_area(super->s_area[i]); + free_area(super->s_journal_area); +} + static struct logfs_area *alloc_area(struct super_block *sb) { struct logfs_area *area; @@ -923,10 +954,6 @@ err: void logfs_cleanup_areas(struct super_block *sb) { struct logfs_super *super = logfs_super(sb); - int i; btree_grim_visitor128(&super->s_object_alias_tree, 0, kill_alias); - for_each_area(i) - free_area(super->s_area[i]); - free_area(super->s_journal_area); } diff --git a/fs/logfs/super.c b/fs/logfs/super.c index e795c234ea3359..c9ee7f5d1cafe2 100644 --- a/fs/logfs/super.c +++ b/fs/logfs/super.c @@ -486,14 +486,15 @@ static void logfs_kill_sb(struct super_block *sb) /* Alias entries slow down mount, so evict as many as possible */ sync_filesystem(sb); logfs_write_anchor(sb); + free_areas(sb); /* * From this point on alias entries are simply dropped - and any * writes to the object store are considered bugs. */ - super->s_flags |= LOGFS_SB_FLAG_SHUTDOWN; log_super("LogFS: Now in shutdown\n"); generic_shutdown_super(sb); + super->s_flags |= LOGFS_SB_FLAG_SHUTDOWN; BUG_ON(super->s_dirty_used_bytes || super->s_dirty_free_bytes); diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index 886649627c3d68..2a70fce70c65be 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -603,6 +603,8 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp, nsegs = argv[4].v_nmembs; if (argv[4].v_size != argsz[4]) goto out; + if (nsegs > UINT_MAX / sizeof(__u64)) + goto out; /* * argv[4] points to segment numbers this ioctl cleans. We diff --git a/fs/proc/base.c b/fs/proc/base.c index 9cde9edf9c4d40..d4548dd49b028f 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -198,26 +198,6 @@ static int proc_root_link(struct dentry *dentry, struct path *path) return result; } -static struct mm_struct *mm_access(struct task_struct *task, unsigned int mode) -{ - struct mm_struct *mm; - int err; - - err = mutex_lock_killable(&task->signal->cred_guard_mutex); - if (err) - return ERR_PTR(err); - - mm = get_task_mm(task); - if (mm && mm != current->mm && - !ptrace_may_access(task, mode)) { - mmput(mm); - mm = ERR_PTR(-EACCES); - } - mutex_unlock(&task->signal->cred_guard_mutex); - - return mm; -} - struct mm_struct *mm_for_maps(struct task_struct *task) { return mm_access(task, PTRACE_MODE_READ); @@ -711,6 +691,13 @@ static int mem_open(struct inode* inode, struct file* file) if (IS_ERR(mm)) return PTR_ERR(mm); + if (mm) { + /* ensure this mm_struct can't be freed */ + atomic_inc(&mm->mm_count); + /* but do not pin its memory */ + mmput(mm); + } + /* OK to pass negative loff_t, we can catch out-of-range */ file->f_mode |= FMODE_UNSIGNED_OFFSET; file->private_data = mm; @@ -718,57 +705,13 @@ static int mem_open(struct inode* inode, struct file* file) return 0; } -static ssize_t mem_read(struct file * file, char __user * buf, - size_t count, loff_t *ppos) +static ssize_t mem_rw(struct file *file, char __user *buf, + size_t count, loff_t *ppos, int write) { - int ret; - char *page; - unsigned long src = *ppos; struct mm_struct *mm = file->private_data; - - if (!mm) - return 0; - - page = (char *)__get_free_page(GFP_TEMPORARY); - if (!page) - return -ENOMEM; - - ret = 0; - - while (count > 0) { - int this_len, retval; - - this_len = (count > PAGE_SIZE) ? PAGE_SIZE : count; - retval = access_remote_vm(mm, src, page, this_len, 0); - if (!retval) { - if (!ret) - ret = -EIO; - break; - } - - if (copy_to_user(buf, page, retval)) { - ret = -EFAULT; - break; - } - - ret += retval; - src += retval; - buf += retval; - count -= retval; - } - *ppos = src; - - free_page((unsigned long) page); - return ret; -} - -static ssize_t mem_write(struct file * file, const char __user *buf, - size_t count, loff_t *ppos) -{ - int copied; + unsigned long addr = *ppos; + ssize_t copied; char *page; - unsigned long dst = *ppos; - struct mm_struct *mm = file->private_data; if (!mm) return 0; @@ -778,31 +721,54 @@ static ssize_t mem_write(struct file * file, const char __user *buf, return -ENOMEM; copied = 0; + if (!atomic_inc_not_zero(&mm->mm_users)) + goto free; + while (count > 0) { - int this_len, retval; + int this_len = min_t(int, count, PAGE_SIZE); - this_len = (count > PAGE_SIZE) ? PAGE_SIZE : count; - if (copy_from_user(page, buf, this_len)) { + if (write && copy_from_user(page, buf, this_len)) { copied = -EFAULT; break; } - retval = access_remote_vm(mm, dst, page, this_len, 1); - if (!retval) { + + this_len = access_remote_vm(mm, addr, page, this_len, write); + if (!this_len) { if (!copied) copied = -EIO; break; } - copied += retval; - buf += retval; - dst += retval; - count -= retval; + + if (!write && copy_to_user(buf, page, this_len)) { + copied = -EFAULT; + break; + } + + buf += this_len; + addr += this_len; + copied += this_len; + count -= this_len; } - *ppos = dst; + *ppos = addr; + mmput(mm); +free: free_page((unsigned long) page); return copied; } +static ssize_t mem_read(struct file *file, char __user *buf, + size_t count, loff_t *ppos) +{ + return mem_rw(file, buf, count, ppos, 0); +} + +static ssize_t mem_write(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) +{ + return mem_rw(file, (char __user*)buf, count, ppos, 1); +} + loff_t mem_lseek(struct file *file, loff_t offset, int orig) { switch (orig) { @@ -822,8 +788,8 @@ loff_t mem_lseek(struct file *file, loff_t offset, int orig) static int mem_release(struct inode *inode, struct file *file) { struct mm_struct *mm = file->private_data; - - mmput(mm); + if (mm) + mmdrop(mm); return 0; } diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index 62f4fb37789e0f..00012e31829d11 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -493,6 +493,12 @@ int sysfs_attr_ns(struct kobject *kobj, const struct attribute *attr, const void *ns = NULL; int err; + if (!dir_sd) { + WARN(1, KERN_ERR "sysfs: kobject %s without dirent\n", + kobject_name(kobj)); + return -ENOENT; + } + err = 0; if (!sysfs_ns_type(dir_sd)) goto out; diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index 4a802b4a90566a..85eb81683a29ec 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c @@ -318,8 +318,11 @@ int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const void *ns, const cha struct sysfs_addrm_cxt acxt; struct sysfs_dirent *sd; - if (!dir_sd) + if (!dir_sd) { + WARN(1, KERN_WARNING "sysfs: can not remove '%s', no directory\n", + name); return -ENOENT; + } sysfs_addrm_start(&acxt, dir_sd); diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 0cf52da9d2468a..ebdb88840a4781 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -131,7 +131,8 @@ xfs_readlink( __func__, (unsigned long long) ip->i_ino, (long long) pathlen); ASSERT(0); - return XFS_ERROR(EFSCORRUPTED); + error = XFS_ERROR(EFSCORRUPTED); + goto out; } diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h index 2fe8639b3ae74f..7c9aebe8a7aa27 100644 --- a/include/acpi/acpiosxf.h +++ b/include/acpi/acpiosxf.h @@ -218,9 +218,13 @@ acpi_status acpi_os_write_port(acpi_io_address address, u32 value, u32 width); */ acpi_status acpi_os_read_memory(acpi_physical_address address, u32 * value, u32 width); +acpi_status +acpi_os_read_memory64(acpi_physical_address address, u64 *value, u32 width); acpi_status acpi_os_write_memory(acpi_physical_address address, u32 value, u32 width); +acpi_status +acpi_os_write_memory64(acpi_physical_address address, u64 value, u32 width); /* * Platform and hardware-independent PCI configuration space access diff --git a/include/acpi/atomicio.h b/include/acpi/atomicio.h deleted file mode 100644 index 8b9fb4b0b9ce25..00000000000000 --- a/include/acpi/atomicio.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef ACPI_ATOMIC_IO_H -#define ACPI_ATOMIC_IO_H - -int acpi_pre_map_gar(struct acpi_generic_address *reg); -int acpi_post_unmap_gar(struct acpi_generic_address *reg); - -int acpi_atomic_read(u64 *val, struct acpi_generic_address *reg); -int acpi_atomic_write(u64 val, struct acpi_generic_address *reg); - -#endif diff --git a/include/acpi/processor.h b/include/acpi/processor.h index 610f6fb1bbc2ed..8cf7e98a2c7bc2 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -195,6 +195,7 @@ struct acpi_processor_flags { u8 has_cst:1; u8 power_setup_done:1; u8 bm_rld_set:1; + u8 need_hotplug_init:1; }; struct acpi_processor { diff --git a/include/asm-generic/pci_iomap.h b/include/asm-generic/pci_iomap.h index 8de4b73e19e25b..e58fcf891370e7 100644 --- a/include/asm-generic/pci_iomap.h +++ b/include/asm-generic/pci_iomap.h @@ -15,6 +15,16 @@ struct pci_dev; #ifdef CONFIG_PCI /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); +/* Create a virtual mapping cookie for a port on a given PCI device. + * Do not call this directly, it exists to make it easier for architectures + * to override */ +#ifdef CONFIG_NO_GENERIC_PCI_IOPORT_MAP +extern void __iomem *__pci_ioport_map(struct pci_dev *dev, unsigned long port, + unsigned int nr); +#else +#define __pci_ioport_map(dev, port, nr) ioport_map((port), (nr)) +#endif + #else static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max) { diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 76caa67c22e262..92f0981b5fb862 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -1328,6 +1328,7 @@ extern int drm_getmagic(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int drm_authmagic(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int drm_remove_magic(struct drm_master *master, drm_magic_t magic); /* Cache management (drm_cache.c) */ void drm_clflush_pages(struct page *pages[], unsigned long num_pages); diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index fd88a3945aa149..0092102db2de7b 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -18,7 +18,7 @@ struct pt_regs; #define BINPRM_BUF_SIZE 128 #ifdef __KERNEL__ -#include <linux/list.h> +#include <linux/sched.h> #define CORENAME_MAX_SIZE 128 @@ -58,6 +58,7 @@ struct linux_binprm { unsigned interp_flags; unsigned interp_data; unsigned long loader, exec; + char tcomm[TASK_COMM_LEN]; }; #define BINPRM_FLAGS_ENFORCE_NONDUMP_BIT 0 diff --git a/include/linux/freezer.h b/include/linux/freezer.h index 0ab54e16a91f49..d09af4b67cf121 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -39,6 +39,7 @@ extern bool __refrigerator(bool check_kthr_stop); extern int freeze_processes(void); extern int freeze_kernel_threads(void); extern void thaw_processes(void); +extern void thaw_kernel_threads(void); static inline bool try_to_freeze(void) { @@ -174,6 +175,7 @@ static inline bool __refrigerator(bool check_kthr_stop) { return false; } static inline int freeze_processes(void) { return -ENOSYS; } static inline int freeze_kernel_threads(void) { return -ENOSYS; } static inline void thaw_processes(void) {} +static inline void thaw_kernel_threads(void) {} static inline bool try_to_freeze(void) { return false; } diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h index b5ca4b2c08ecad..004ff33ab38e4d 100644 --- a/include/linux/gpio_keys.h +++ b/include/linux/gpio_keys.h @@ -1,6 +1,8 @@ #ifndef _GPIO_KEYS_H #define _GPIO_KEYS_H +struct device; + struct gpio_keys_button { /* Configuration parameters */ unsigned int code; /* input event code (KEY_*, SW_*) */ diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 62b908e0e5910a..0ae065a5fcb277 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -35,7 +35,7 @@ #include <linux/mod_devicetable.h> -#define MAX_PAGE_BUFFER_COUNT 18 +#define MAX_PAGE_BUFFER_COUNT 19 #define MAX_MULTIPAGE_BUFFER_COUNT 32 /* 128K */ #pragma pack(push, 1) diff --git a/include/linux/lp8727.h b/include/linux/lp8727.h index d21fa2865bf4da..d21fa2865bf4da 100755..100644 --- a/include/linux/lp8727.h +++ b/include/linux/lp8727.h diff --git a/include/linux/mfd/mcp.h b/include/linux/mfd/mcp.h index 1515e64e3663ab..f88c1cc0cb0f24 100644 --- a/include/linux/mfd/mcp.h +++ b/include/linux/mfd/mcp.h @@ -10,7 +10,6 @@ #ifndef MCP_H #define MCP_H -#include <linux/mod_devicetable.h> #include <mach/dma.h> struct mcp_ops; @@ -27,7 +26,7 @@ struct mcp { dma_device_t dma_telco_rd; dma_device_t dma_telco_wr; struct device attached_device; - const char *codec; + int gpio_base; }; struct mcp_ops { @@ -45,11 +44,10 @@ void mcp_reg_write(struct mcp *, unsigned int, unsigned int); unsigned int mcp_reg_read(struct mcp *, unsigned int); void mcp_enable(struct mcp *); void mcp_disable(struct mcp *); -const struct mcp_device_id *mcp_get_device_id(const struct mcp *mcp); #define mcp_get_sclk_rate(mcp) ((mcp)->sclk_rate) struct mcp *mcp_host_alloc(struct device *, size_t); -int mcp_host_register(struct mcp *, void *); +int mcp_host_register(struct mcp *); void mcp_host_unregister(struct mcp *); struct mcp_driver { @@ -58,7 +56,6 @@ struct mcp_driver { void (*remove)(struct mcp *); int (*suspend)(struct mcp *, pm_message_t); int (*resume)(struct mcp *); - const struct mcp_device_id *id_table; }; int mcp_driver_register(struct mcp_driver *); @@ -67,6 +64,9 @@ void mcp_driver_unregister(struct mcp_driver *); #define mcp_get_drvdata(mcp) dev_get_drvdata(&(mcp)->attached_device) #define mcp_set_drvdata(mcp,d) dev_set_drvdata(&(mcp)->attached_device, d) -#define mcp_priv(mcp) ((void *)((mcp)+1)) +static inline void *mcp_priv(struct mcp *mcp) +{ + return mcp + 1; +} #endif diff --git a/include/linux/mfd/twl6040.h b/include/linux/mfd/twl6040.h index 2463c2619596fa..9bc9ac651dad9b 100644 --- a/include/linux/mfd/twl6040.h +++ b/include/linux/mfd/twl6040.h @@ -187,8 +187,10 @@ struct twl6040 { int rev; u8 vibra_ctrl_cache[2]; + /* PLL configuration */ int pll; unsigned int sysclk; + unsigned int mclk; unsigned int irq; unsigned int irq_base; diff --git a/include/linux/mfd/ucb1x00.h b/include/linux/mfd/ucb1x00.h index bc19e5fb7ea8f1..4321f044d1e45e 100644 --- a/include/linux/mfd/ucb1x00.h +++ b/include/linux/mfd/ucb1x00.h @@ -104,9 +104,6 @@ #define UCB_MODE_DYN_VFLAG_ENA (1 << 12) #define UCB_MODE_AUD_OFF_CAN (1 << 13) -struct ucb1x00_plat_data { - int gpio_base; -}; struct ucb1x00_irq { void *devid; @@ -119,7 +116,7 @@ struct ucb1x00 { unsigned int irq; struct semaphore adc_sem; spinlock_t io_lock; - const struct mcp_device_id *id; + u16 id; u16 io_dir; u16 io_out; u16 adc_cr; diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index b29e7f6f8fa580..83ac0713ed0aa9 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -436,17 +436,6 @@ struct spi_device_id { __attribute__((aligned(sizeof(kernel_ulong_t)))); }; -/* mcp */ - -#define MCP_NAME_SIZE 20 -#define MCP_MODULE_PREFIX "mcp:" - -struct mcp_device_id { - char name[MCP_NAME_SIZE]; - kernel_ulong_t driver_data /* Data private to the driver */ - __attribute__((aligned(sizeof(kernel_ulong_t)))); -}; - /* dmi */ enum dmi_field { DMI_NONE, diff --git a/include/linux/mpi.h b/include/linux/mpi.h index 06f88994ccaafa..d02cca6cc8ce05 100644 --- a/include/linux/mpi.h +++ b/include/linux/mpi.h @@ -57,8 +57,6 @@ struct gcry_mpi { typedef struct gcry_mpi *MPI; -#define MPI_NULL NULL - #define mpi_get_nlimbs(a) ((a)->nlimbs) #define mpi_is_neg(a) ((a)->sign) diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 1a81fde8f3331d..d43dc25af82e23 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -427,9 +427,7 @@ static inline int mtd_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) static inline int mtd_suspend(struct mtd_info *mtd) { - if (!mtd->suspend) - return -EOPNOTSUPP; - return mtd->suspend(mtd); + return mtd->suspend ? mtd->suspend(mtd) : 0; } static inline void mtd_resume(struct mtd_info *mtd) @@ -441,7 +439,7 @@ static inline void mtd_resume(struct mtd_info *mtd) static inline int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs) { if (!mtd->block_isbad) - return -EOPNOTSUPP; + return 0; return mtd->block_isbad(mtd, ofs); } diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 08855613ceb32e..abb2776be1ba1b 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -587,6 +587,7 @@ struct hw_perf_event { u64 sample_period; u64 last_period; local64_t period_left; + u64 interrupts_seq; u64 interrupts; u64 freq_time_stamp; diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h index e5bbcbaa6f5700..4d99e4e6ef83fa 100644 --- a/include/linux/pm_qos.h +++ b/include/linux/pm_qos.h @@ -110,7 +110,19 @@ static inline void pm_qos_remove_request(struct pm_qos_request *req) { return; } static inline int pm_qos_request(int pm_qos_class) - { return 0; } +{ + switch (pm_qos_class) { + case PM_QOS_CPU_DMA_LATENCY: + return PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE; + case PM_QOS_NETWORK_LATENCY: + return PM_QOS_NETWORK_LAT_DEFAULT_VALUE; + case PM_QOS_NETWORK_THROUGHPUT: + return PM_QOS_NETWORK_THROUGHPUT_DEFAULT_VALUE; + default: + return PM_QOS_DEFAULT_VALUE; + } +} + static inline int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier) { return 0; } diff --git a/include/linux/proportions.h b/include/linux/proportions.h index ef35bb73f69b63..26a8a4ed9b07bb 100644 --- a/include/linux/proportions.h +++ b/include/linux/proportions.h @@ -81,7 +81,11 @@ void prop_inc_percpu(struct prop_descriptor *pd, struct prop_local_percpu *pl) * Limit the time part in order to ensure there are some bits left for the * cycle counter and fraction multiply. */ +#if BITS_PER_LONG == 32 #define PROP_MAX_SHIFT (3*BITS_PER_LONG/4) +#else +#define PROP_MAX_SHIFT (BITS_PER_LONG/2) +#endif #define PROP_FRAC_SHIFT (BITS_PER_LONG - PROP_MAX_SHIFT - 1) #define PROP_FRAC_BASE (1UL << PROP_FRAC_SHIFT) diff --git a/include/linux/sched.h b/include/linux/sched.h index 513f524598724d..7d379a6bfd8866 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2090,7 +2090,7 @@ extern struct task_struct *idle_task(int cpu); * is_idle_task - is the specified task an idle task? * @p: the task in question. */ -static inline bool is_idle_task(struct task_struct *p) +static inline bool is_idle_task(const struct task_struct *p) { return p->pid == 0; } @@ -2259,6 +2259,12 @@ static inline void mmdrop(struct mm_struct * mm) extern void mmput(struct mm_struct *); /* Grab a reference to a task's mm, if it is not already going away */ extern struct mm_struct *get_task_mm(struct task_struct *task); +/* + * Grab a reference to a task's mm, if it is not already going away + * and ptrace_may_access with the mode parameter passed to it + * succeeds. + */ +extern struct mm_struct *mm_access(struct task_struct *task, unsigned int mode); /* Remove the current tasks stale references to the old mm_struct */ extern void mm_release(struct task_struct *, struct mm_struct *); /* Allocate a new mm structure and copy contents from tsk->mm */ diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h index 8cd7fe59cf1a6f..425450b980b8a8 100644 --- a/include/linux/sh_dma.h +++ b/include/linux/sh_dma.h @@ -70,6 +70,7 @@ struct sh_dmae_pdata { unsigned int needs_tend_set:1; unsigned int no_dmars:1; unsigned int chclr_present:1; + unsigned int slave_only:1; }; /* DMA register */ diff --git a/include/linux/sysdev.h b/include/linux/sysdev.h deleted file mode 100644 index 20f63d3e614465..00000000000000 --- a/include/linux/sysdev.h +++ /dev/null @@ -1,164 +0,0 @@ -/** - * System devices follow a slightly different driver model. - * They don't need to do dynammic driver binding, can't be probed, - * and don't reside on any type of peripheral bus. - * So, we represent and treat them a little differently. - * - * We still have a notion of a driver for a system device, because we still - * want to perform basic operations on these devices. - * - * We also support auxiliary drivers binding to devices of a certain class. - * - * This allows configurable drivers to register themselves for devices of - * a certain type. And, it allows class definitions to reside in generic - * code while arch-specific code can register specific drivers. - * - * Auxiliary drivers registered with a NULL cls are registered as drivers - * for all system devices, and get notification calls for each device. - */ - - -#ifndef _SYSDEV_H_ -#define _SYSDEV_H_ - -#include <linux/kobject.h> -#include <linux/pm.h> - - -struct sys_device; -struct sysdev_class_attribute; - -struct sysdev_class { - const char *name; - struct list_head drivers; - struct sysdev_class_attribute **attrs; - struct kset kset; -}; - -struct sysdev_class_attribute { - struct attribute attr; - ssize_t (*show)(struct sysdev_class *, struct sysdev_class_attribute *, - char *); - ssize_t (*store)(struct sysdev_class *, struct sysdev_class_attribute *, - const char *, size_t); -}; - -#define _SYSDEV_CLASS_ATTR(_name,_mode,_show,_store) \ -{ \ - .attr = {.name = __stringify(_name), .mode = _mode }, \ - .show = _show, \ - .store = _store, \ -} - -#define SYSDEV_CLASS_ATTR(_name,_mode,_show,_store) \ - struct sysdev_class_attribute attr_##_name = \ - _SYSDEV_CLASS_ATTR(_name,_mode,_show,_store) - - -extern int sysdev_class_register(struct sysdev_class *); -extern void sysdev_class_unregister(struct sysdev_class *); - -extern int sysdev_class_create_file(struct sysdev_class *, - struct sysdev_class_attribute *); -extern void sysdev_class_remove_file(struct sysdev_class *, - struct sysdev_class_attribute *); -/** - * Auxiliary system device drivers. - */ - -struct sysdev_driver { - struct list_head entry; - int (*add)(struct sys_device *); - int (*remove)(struct sys_device *); -}; - - -extern int sysdev_driver_register(struct sysdev_class *, struct sysdev_driver *); -extern void sysdev_driver_unregister(struct sysdev_class *, struct sysdev_driver *); - - -/** - * sys_devices can be simplified a lot from regular devices, because they're - * simply not as versatile. - */ - -struct sys_device { - u32 id; - struct sysdev_class * cls; - struct kobject kobj; -}; - -extern int sysdev_register(struct sys_device *); -extern void sysdev_unregister(struct sys_device *); - - -struct sysdev_attribute { - struct attribute attr; - ssize_t (*show)(struct sys_device *, struct sysdev_attribute *, char *); - ssize_t (*store)(struct sys_device *, struct sysdev_attribute *, - const char *, size_t); -}; - - -#define _SYSDEV_ATTR(_name, _mode, _show, _store) \ -{ \ - .attr = { .name = __stringify(_name), .mode = _mode }, \ - .show = _show, \ - .store = _store, \ -} - -#define SYSDEV_ATTR(_name, _mode, _show, _store) \ - struct sysdev_attribute attr_##_name = \ - _SYSDEV_ATTR(_name, _mode, _show, _store); - -extern int sysdev_create_file(struct sys_device *, struct sysdev_attribute *); -extern void sysdev_remove_file(struct sys_device *, struct sysdev_attribute *); - -/* Create/remove NULL terminated attribute list */ -static inline int -sysdev_create_files(struct sys_device *d, struct sysdev_attribute **a) -{ - return sysfs_create_files(&d->kobj, (const struct attribute **)a); -} - -static inline void -sysdev_remove_files(struct sys_device *d, struct sysdev_attribute **a) -{ - return sysfs_remove_files(&d->kobj, (const struct attribute **)a); -} - -struct sysdev_ext_attribute { - struct sysdev_attribute attr; - void *var; -}; - -/* - * Support for simple variable sysdev attributes. - * The pointer to the variable is stored in a sysdev_ext_attribute - */ - -/* Add more types as needed */ - -extern ssize_t sysdev_show_ulong(struct sys_device *, struct sysdev_attribute *, - char *); -extern ssize_t sysdev_store_ulong(struct sys_device *, - struct sysdev_attribute *, const char *, size_t); -extern ssize_t sysdev_show_int(struct sys_device *, struct sysdev_attribute *, - char *); -extern ssize_t sysdev_store_int(struct sys_device *, - struct sysdev_attribute *, const char *, size_t); - -#define _SYSDEV_ULONG_ATTR(_name, _mode, _var) \ - { _SYSDEV_ATTR(_name, _mode, sysdev_show_ulong, sysdev_store_ulong), \ - &(_var) } -#define SYSDEV_ULONG_ATTR(_name, _mode, _var) \ - struct sysdev_ext_attribute attr_##_name = \ - _SYSDEV_ULONG_ATTR(_name, _mode, _var); -#define _SYSDEV_INT_ATTR(_name, _mode, _var) \ - { _SYSDEV_ATTR(_name, _mode, sysdev_show_int, sysdev_store_int), \ - &(_var) } -#define SYSDEV_INT_ATTR(_name, _mode, _var) \ - struct sysdev_ext_attribute attr_##_name = \ - _SYSDEV_INT_ATTR(_name, _mode, _var); - -#endif /* _SYSDEV_H_ */ diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 47b4a27e6e97c2..796f1ff0388c97 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -152,9 +152,9 @@ struct thermal_cooling_device *thermal_cooling_device_register(char *, void *, void thermal_cooling_device_unregister(struct thermal_cooling_device *); #ifdef CONFIG_NET -extern int generate_netlink_event(u32 orig, enum events event); +extern int thermal_generate_netlink_event(u32 orig, enum events event); #else -static inline int generate_netlink_event(u32 orig, enum events event) +static inline int thermal_generate_netlink_event(u32 orig, enum events event) { return 0; } diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index 61b29057b0547c..3b6f628880f83b 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -589,7 +589,7 @@ static inline int usb_endpoint_is_isoc_out( */ static inline int usb_endpoint_maxp(const struct usb_endpoint_descriptor *epd) { - return le16_to_cpu(epd->wMaxPacketSize); + return __le16_to_cpu(epd->wMaxPacketSize); } /*-------------------------------------------------------------------------*/ diff --git a/include/linux/usb/langwell_otg.h b/include/linux/usb/langwell_otg.h deleted file mode 100644 index 51f17b16d312b3..00000000000000 --- a/include/linux/usb/langwell_otg.h +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Intel Langwell USB OTG transceiver driver - * Copyright (C) 2008 - 2010, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#ifndef __LANGWELL_OTG_H -#define __LANGWELL_OTG_H - -#include <linux/usb/intel_mid_otg.h> - -#define CI_USBCMD 0x30 -# define USBCMD_RST BIT(1) -# define USBCMD_RS BIT(0) -#define CI_USBSTS 0x34 -# define USBSTS_SLI BIT(8) -# define USBSTS_URI BIT(6) -# define USBSTS_PCI BIT(2) -#define CI_PORTSC1 0x74 -# define PORTSC_PP BIT(12) -# define PORTSC_LS (BIT(11) | BIT(10)) -# define PORTSC_SUSP BIT(7) -# define PORTSC_CCS BIT(0) -#define CI_HOSTPC1 0xb4 -# define HOSTPC1_PHCD BIT(22) -#define CI_OTGSC 0xf4 -# define OTGSC_DPIE BIT(30) -# define OTGSC_1MSE BIT(29) -# define OTGSC_BSEIE BIT(28) -# define OTGSC_BSVIE BIT(27) -# define OTGSC_ASVIE BIT(26) -# define OTGSC_AVVIE BIT(25) -# define OTGSC_IDIE BIT(24) -# define OTGSC_DPIS BIT(22) -# define OTGSC_1MSS BIT(21) -# define OTGSC_BSEIS BIT(20) -# define OTGSC_BSVIS BIT(19) -# define OTGSC_ASVIS BIT(18) -# define OTGSC_AVVIS BIT(17) -# define OTGSC_IDIS BIT(16) -# define OTGSC_DPS BIT(14) -# define OTGSC_1MST BIT(13) -# define OTGSC_BSE BIT(12) -# define OTGSC_BSV BIT(11) -# define OTGSC_ASV BIT(10) -# define OTGSC_AVV BIT(9) -# define OTGSC_ID BIT(8) -# define OTGSC_HABA BIT(7) -# define OTGSC_HADP BIT(6) -# define OTGSC_IDPU BIT(5) -# define OTGSC_DP BIT(4) -# define OTGSC_OT BIT(3) -# define OTGSC_HAAR BIT(2) -# define OTGSC_VC BIT(1) -# define OTGSC_VD BIT(0) -# define OTGSC_INTEN_MASK (0x7f << 24) -# define OTGSC_INT_MASK (0x5f << 24) -# define OTGSC_INTSTS_MASK (0x7f << 16) -#define CI_USBMODE 0xf8 -# define USBMODE_CM (BIT(1) | BIT(0)) -# define USBMODE_IDLE 0 -# define USBMODE_DEVICE 0x2 -# define USBMODE_HOST 0x3 -#define USBCFG_ADDR 0xff10801c -#define USBCFG_LEN 4 -# define USBCFG_VBUSVAL BIT(14) -# define USBCFG_AVALID BIT(13) -# define USBCFG_BVALID BIT(12) -# define USBCFG_SESEND BIT(11) - -#define INTR_DUMMY_MASK (USBSTS_SLI | USBSTS_URI | USBSTS_PCI) - -enum langwell_otg_timer_type { - TA_WAIT_VRISE_TMR, - TA_WAIT_BCON_TMR, - TA_AIDL_BDIS_TMR, - TB_ASE0_BRST_TMR, - TB_SE0_SRP_TMR, - TB_SRP_INIT_TMR, - TB_SRP_FAIL_TMR, - TB_BUS_SUSPEND_TMR -}; - -#define TA_WAIT_VRISE 100 -#define TA_WAIT_BCON 30000 -#define TA_AIDL_BDIS 15000 -#define TB_ASE0_BRST 5000 -#define TB_SE0_SRP 2 -#define TB_SRP_INIT 100 -#define TB_SRP_FAIL 5500 -#define TB_BUS_SUSPEND 500 - -struct langwell_otg_timer { - unsigned long expires; /* Number of count increase to timeout */ - unsigned long count; /* Tick counter */ - void (*function)(unsigned long); /* Timeout function */ - unsigned long data; /* Data passed to function */ - struct list_head list; -}; - -struct langwell_otg { - struct intel_mid_otg_xceiv iotg; - struct device *dev; - - void __iomem *usbcfg; /* SCCBUSB config Reg */ - - unsigned region; - unsigned cfg_region; - - struct work_struct work; - struct workqueue_struct *qwork; - struct timer_list hsm_timer; - - spinlock_t lock; - spinlock_t wq_lock; - - struct notifier_block iotg_notifier; -}; - -static inline -struct langwell_otg *mid_xceiv_to_lnw(struct intel_mid_otg_xceiv *iotg) -{ - return container_of(iotg, struct langwell_otg, iotg); -} - -#endif /* __LANGWELL_OTG_H__ */ diff --git a/include/net/flow.h b/include/net/flow.h index 9b582437fbeab1..6c469dbdb9176d 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -93,6 +93,16 @@ static inline void flowi4_init_output(struct flowi4 *fl4, int oif, fl4->fl4_dport = dport; fl4->fl4_sport = sport; } + +/* Reset some input parameters after previous lookup */ +static inline void flowi4_update_output(struct flowi4 *fl4, int oif, __u8 tos, + __be32 daddr, __be32 saddr) +{ + fl4->flowi4_oif = oif; + fl4->flowi4_tos = tos; + fl4->daddr = daddr; + fl4->saddr = saddr; +} struct flowi6 { diff --git a/include/net/netprio_cgroup.h b/include/net/netprio_cgroup.h index 7b2d43139c8e75..d58fdec47597bc 100644 --- a/include/net/netprio_cgroup.h +++ b/include/net/netprio_cgroup.h @@ -37,19 +37,51 @@ extern int net_prio_subsys_id; extern void sock_update_netprioidx(struct sock *sk); -static inline struct cgroup_netprio_state - *task_netprio_state(struct task_struct *p) +#if IS_BUILTIN(CONFIG_NETPRIO_CGROUP) + +static inline u32 task_netprioidx(struct task_struct *p) { -#if IS_ENABLED(CONFIG_NETPRIO_CGROUP) - return container_of(task_subsys_state(p, net_prio_subsys_id), - struct cgroup_netprio_state, css); -#else - return NULL; -#endif + struct cgroup_netprio_state *state; + u32 idx; + + rcu_read_lock(); + state = container_of(task_subsys_state(p, net_prio_subsys_id), + struct cgroup_netprio_state, css); + idx = state->prioidx; + rcu_read_unlock(); + return idx; +} + +#elif IS_MODULE(CONFIG_NETPRIO_CGROUP) + +static inline u32 task_netprioidx(struct task_struct *p) +{ + struct cgroup_netprio_state *state; + int subsys_id; + u32 idx = 0; + + rcu_read_lock(); + subsys_id = rcu_dereference_index_check(net_prio_subsys_id, + rcu_read_lock_held()); + if (subsys_id >= 0) { + state = container_of(task_subsys_state(p, subsys_id), + struct cgroup_netprio_state, css); + idx = state->prioidx; + } + rcu_read_unlock(); + return idx; } #else +static inline u32 task_netprioidx(struct task_struct *p) +{ + return 0; +} + +#endif /* CONFIG_NETPRIO_CGROUP */ + +#else #define sock_update_netprioidx(sk) #endif diff --git a/include/net/route.h b/include/net/route.h index 91855d185b537f..b1c0d5b564c2c1 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -270,6 +270,7 @@ static inline struct rtable *ip_route_connect(struct flowi4 *fl4, if (IS_ERR(rt)) return rt; ip_rt_put(rt); + flowi4_update_output(fl4, oif, tos, fl4->daddr, fl4->saddr); } security_sk_classify_flow(sk, flowi4_to_flowi(fl4)); return ip_route_output_flow(net, fl4, sk); @@ -284,6 +285,9 @@ static inline struct rtable *ip_route_newports(struct flowi4 *fl4, struct rtable fl4->fl4_dport = dport; fl4->fl4_sport = sport; ip_rt_put(rt); + flowi4_update_output(fl4, sk->sk_bound_dev_if, + RT_CONN_FLAGS(sk), fl4->daddr, + fl4->saddr); security_sk_classify_flow(sk, flowi4_to_flowi(fl4)); return ip_route_output_flow(sock_net(sk), fl4, sk); } diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index f6bb08b73ca4c8..55ce96b53b092e 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -220,9 +220,16 @@ struct tcf_proto { struct qdisc_skb_cb { unsigned int pkt_len; - long data[]; + unsigned char data[24]; }; +static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz) +{ + struct qdisc_skb_cb *qcb; + BUILD_BUG_ON(sizeof(skb->cb) < sizeof(unsigned int) + sz); + BUILD_BUG_ON(sizeof(qcb->data) < sz); +} + static inline int qdisc_qlen(const struct Qdisc *q) { return q->q.qlen; diff --git a/include/net/tcp.h b/include/net/tcp.h index d49db0113a069d..42c29bfbcee34d 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -273,6 +273,14 @@ static inline int between(__u32 seq1, __u32 seq2, __u32 seq3) return seq3 - seq2 >= seq1 - seq2; } +static inline bool tcp_out_of_memory(struct sock *sk) +{ + if (sk->sk_wmem_queued > SOCK_MIN_SNDBUF && + sk_memory_allocated(sk) > sk_prot_mem_limits(sk, 2)) + return true; + return false; +} + static inline bool tcp_too_many_orphans(struct sock *sk, int shift) { struct percpu_counter *ocp = sk->sk_prot->orphan_count; @@ -283,13 +291,11 @@ static inline bool tcp_too_many_orphans(struct sock *sk, int shift) if (orphans << shift > sysctl_tcp_max_orphans) return true; } - - if (sk->sk_wmem_queued > SOCK_MIN_SNDBUF && - sk_memory_allocated(sk) > sk_prot_mem_limits(sk, 2)) - return true; return false; } +extern bool tcp_check_oom(struct sock *sk, int shift); + /* syncookies: remember time of last synqueue overflow */ static inline void tcp_synq_overflow(struct sock *sk) { diff --git a/include/sound/core.h b/include/sound/core.h index 5ab255f196cc85..cea1b5426dfa2f 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -417,6 +417,7 @@ static inline int __snd_bug_on(int cond) #define gameport_get_port_data(gp) (gp)->port_data #endif +#ifdef CONFIG_PCI /* PCI quirk list helper */ struct snd_pci_quirk { unsigned short subvendor; /* PCI subvendor ID */ @@ -456,5 +457,6 @@ snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list); const struct snd_pci_quirk * snd_pci_quirk_lookup_id(u16 vendor, u16 device, const struct snd_pci_quirk *list); +#endif #endif /* __SOUND_CORE_H */ diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h index 4866499bdeeb3a..e5e6ff98f0fa93 100644 --- a/include/target/target_core_backend.h +++ b/include/target/target_core_backend.h @@ -59,7 +59,7 @@ int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *); int transport_set_vpd_ident(struct t10_vpd *, unsigned char *); /* core helpers also used by command snooping in pscsi */ -void *transport_kmap_first_data_page(struct se_cmd *); -void transport_kunmap_first_data_page(struct se_cmd *); +void *transport_kmap_data_sg(struct se_cmd *); +void transport_kunmap_data_sg(struct se_cmd *); #endif /* TARGET_CORE_BACKEND_H */ diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index daf532bc721a84..dc4e345a016370 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -582,6 +582,7 @@ struct se_cmd { struct scatterlist *t_data_sg; unsigned int t_data_nents; + void *t_data_vmap; struct scatterlist *t_bidi_data_sg; unsigned int t_bidi_data_nents; diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h index 523e8bc104d40e..d36fad317e7808 100644 --- a/include/target/target_core_fabric.h +++ b/include/target/target_core_fabric.h @@ -114,7 +114,7 @@ void transport_init_se_cmd(struct se_cmd *, struct target_core_fabric_ops *, struct se_session *, u32, int, int, unsigned char *); int transport_lookup_cmd_lun(struct se_cmd *, u32); int transport_generic_allocate_tasks(struct se_cmd *, unsigned char *); -int target_submit_cmd(struct se_cmd *, struct se_session *, unsigned char *, +void target_submit_cmd(struct se_cmd *, struct se_session *, unsigned char *, unsigned char *, u32, u32, int, int, int); int transport_handle_cdb_direct(struct se_cmd *); int transport_generic_handle_cdb_map(struct se_cmd *); diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h index 8588a891802339..5973410e8f8cf3 100644 --- a/include/trace/events/writeback.h +++ b/include/trace/events/writeback.h @@ -47,7 +47,10 @@ DECLARE_EVENT_CLASS(writeback_work_class, __field(int, reason) ), TP_fast_assign( - strncpy(__entry->name, dev_name(bdi->dev), 32); + struct device *dev = bdi->dev; + if (!dev) + dev = default_backing_dev_info.dev; + strncpy(__entry->name, dev_name(dev), 32); __entry->nr_pages = work->nr_pages; __entry->sb_dev = work->sb ? work->sb->s_dev : 0; __entry->sync_mode = work->sync_mode; @@ -426,7 +429,7 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template, TP_fast_assign( strncpy(__entry->name, - dev_name(inode->i_mapping->backing_dev_info->dev), 32); + dev_name(inode_to_bdi(inode)->dev), 32); __entry->ino = inode->i_ino; __entry->state = inode->i_state; __entry->dirtied_when = inode->dirtied_when; diff --git a/include/video/omapdss.h b/include/video/omapdss.h index 062b3b24ff1071..483f67caa7ad42 100644 --- a/include/video/omapdss.h +++ b/include/video/omapdss.h @@ -590,6 +590,11 @@ struct omap_dss_device { int (*get_backlight)(struct omap_dss_device *dssdev); }; +struct omap_dss_hdmi_data +{ + int hpd_gpio; +}; + struct omap_dss_driver { struct device_driver driver; diff --git a/kernel/events/callchain.c b/kernel/events/callchain.c index 057e24b665cf7f..6581a040f39926 100644 --- a/kernel/events/callchain.c +++ b/kernel/events/callchain.c @@ -115,8 +115,6 @@ int get_callchain_buffers(void) } err = alloc_callchain_buffers(); - if (err) - release_callchain_buffers(); exit: mutex_unlock(&callchain_mutex); diff --git a/kernel/events/core.c b/kernel/events/core.c index a8f4ac001a0079..1b5c081d8b9f9c 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -815,7 +815,7 @@ static void update_event_times(struct perf_event *event) * here. */ if (is_cgroup_event(event)) - run_end = perf_event_time(event); + run_end = perf_cgroup_event_time(event); else if (ctx->is_active) run_end = ctx->time; else @@ -2300,7 +2300,10 @@ do { \ return div64_u64(dividend, divisor); } -static void perf_adjust_period(struct perf_event *event, u64 nsec, u64 count) +static DEFINE_PER_CPU(int, perf_throttled_count); +static DEFINE_PER_CPU(u64, perf_throttled_seq); + +static void perf_adjust_period(struct perf_event *event, u64 nsec, u64 count, bool disable) { struct hw_perf_event *hwc = &event->hw; s64 period, sample_period; @@ -2319,22 +2322,40 @@ static void perf_adjust_period(struct perf_event *event, u64 nsec, u64 count) hwc->sample_period = sample_period; if (local64_read(&hwc->period_left) > 8*sample_period) { - event->pmu->stop(event, PERF_EF_UPDATE); + if (disable) + event->pmu->stop(event, PERF_EF_UPDATE); + local64_set(&hwc->period_left, 0); - event->pmu->start(event, PERF_EF_RELOAD); + + if (disable) + event->pmu->start(event, PERF_EF_RELOAD); } } -static void perf_ctx_adjust_freq(struct perf_event_context *ctx, u64 period) +/* + * combine freq adjustment with unthrottling to avoid two passes over the + * events. At the same time, make sure, having freq events does not change + * the rate of unthrottling as that would introduce bias. + */ +static void perf_adjust_freq_unthr_context(struct perf_event_context *ctx, + int needs_unthr) { struct perf_event *event; struct hw_perf_event *hwc; - u64 interrupts, now; + u64 now, period = TICK_NSEC; s64 delta; - if (!ctx->nr_freq) + /* + * only need to iterate over all events iff: + * - context have events in frequency mode (needs freq adjust) + * - there are events to unthrottle on this cpu + */ + if (!(ctx->nr_freq || needs_unthr)) return; + raw_spin_lock(&ctx->lock); + perf_pmu_disable(ctx->pmu); + list_for_each_entry_rcu(event, &ctx->event_list, event_entry) { if (event->state != PERF_EVENT_STATE_ACTIVE) continue; @@ -2344,13 +2365,8 @@ static void perf_ctx_adjust_freq(struct perf_event_context *ctx, u64 period) hwc = &event->hw; - interrupts = hwc->interrupts; - hwc->interrupts = 0; - - /* - * unthrottle events on the tick - */ - if (interrupts == MAX_INTERRUPTS) { + if (needs_unthr && hwc->interrupts == MAX_INTERRUPTS) { + hwc->interrupts = 0; perf_log_throttle(event, 1); event->pmu->start(event, 0); } @@ -2358,14 +2374,30 @@ static void perf_ctx_adjust_freq(struct perf_event_context *ctx, u64 period) if (!event->attr.freq || !event->attr.sample_freq) continue; - event->pmu->read(event); + /* + * stop the event and update event->count + */ + event->pmu->stop(event, PERF_EF_UPDATE); + now = local64_read(&event->count); delta = now - hwc->freq_count_stamp; hwc->freq_count_stamp = now; + /* + * restart the event + * reload only if value has changed + * we have stopped the event so tell that + * to perf_adjust_period() to avoid stopping it + * twice. + */ if (delta > 0) - perf_adjust_period(event, period, delta); + perf_adjust_period(event, period, delta, false); + + event->pmu->start(event, delta > 0 ? PERF_EF_RELOAD : 0); } + + perf_pmu_enable(ctx->pmu); + raw_spin_unlock(&ctx->lock); } /* @@ -2388,16 +2420,13 @@ static void rotate_ctx(struct perf_event_context *ctx) */ static void perf_rotate_context(struct perf_cpu_context *cpuctx) { - u64 interval = (u64)cpuctx->jiffies_interval * TICK_NSEC; struct perf_event_context *ctx = NULL; - int rotate = 0, remove = 1, freq = 0; + int rotate = 0, remove = 1; if (cpuctx->ctx.nr_events) { remove = 0; if (cpuctx->ctx.nr_events != cpuctx->ctx.nr_active) rotate = 1; - if (cpuctx->ctx.nr_freq) - freq = 1; } ctx = cpuctx->task_ctx; @@ -2405,37 +2434,26 @@ static void perf_rotate_context(struct perf_cpu_context *cpuctx) remove = 0; if (ctx->nr_events != ctx->nr_active) rotate = 1; - if (ctx->nr_freq) - freq = 1; } - if (!rotate && !freq) + if (!rotate) goto done; perf_ctx_lock(cpuctx, cpuctx->task_ctx); perf_pmu_disable(cpuctx->ctx.pmu); - if (freq) { - perf_ctx_adjust_freq(&cpuctx->ctx, interval); - if (ctx) - perf_ctx_adjust_freq(ctx, interval); - } - - if (rotate) { - cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE); - if (ctx) - ctx_sched_out(ctx, cpuctx, EVENT_FLEXIBLE); + cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE); + if (ctx) + ctx_sched_out(ctx, cpuctx, EVENT_FLEXIBLE); - rotate_ctx(&cpuctx->ctx); - if (ctx) - rotate_ctx(ctx); + rotate_ctx(&cpuctx->ctx); + if (ctx) + rotate_ctx(ctx); - perf_event_sched_in(cpuctx, ctx, current); - } + perf_event_sched_in(cpuctx, ctx, current); perf_pmu_enable(cpuctx->ctx.pmu); perf_ctx_unlock(cpuctx, cpuctx->task_ctx); - done: if (remove) list_del_init(&cpuctx->rotation_list); @@ -2445,10 +2463,22 @@ void perf_event_task_tick(void) { struct list_head *head = &__get_cpu_var(rotation_list); struct perf_cpu_context *cpuctx, *tmp; + struct perf_event_context *ctx; + int throttled; WARN_ON(!irqs_disabled()); + __this_cpu_inc(perf_throttled_seq); + throttled = __this_cpu_xchg(perf_throttled_count, 0); + list_for_each_entry_safe(cpuctx, tmp, head, rotation_list) { + ctx = &cpuctx->ctx; + perf_adjust_freq_unthr_context(ctx, throttled); + + ctx = cpuctx->task_ctx; + if (ctx) + perf_adjust_freq_unthr_context(ctx, throttled); + if (cpuctx->jiffies_interval == 1 || !(jiffies % cpuctx->jiffies_interval)) perf_rotate_context(cpuctx); @@ -4509,6 +4539,7 @@ static int __perf_event_overflow(struct perf_event *event, { int events = atomic_read(&event->event_limit); struct hw_perf_event *hwc = &event->hw; + u64 seq; int ret = 0; /* @@ -4518,14 +4549,20 @@ static int __perf_event_overflow(struct perf_event *event, if (unlikely(!is_sampling_event(event))) return 0; - if (unlikely(hwc->interrupts >= max_samples_per_tick)) { - if (throttle) { + seq = __this_cpu_read(perf_throttled_seq); + if (seq != hwc->interrupts_seq) { + hwc->interrupts_seq = seq; + hwc->interrupts = 1; + } else { + hwc->interrupts++; + if (unlikely(throttle + && hwc->interrupts >= max_samples_per_tick)) { + __this_cpu_inc(perf_throttled_count); hwc->interrupts = MAX_INTERRUPTS; perf_log_throttle(event, 0); ret = 1; } - } else - hwc->interrupts++; + } if (event->attr.freq) { u64 now = perf_clock(); @@ -4534,7 +4571,7 @@ static int __perf_event_overflow(struct perf_event *event, hwc->freq_time_stamp = now; if (delta > 0 && delta < 2*TICK_NSEC) - perf_adjust_period(event, delta, hwc->last_period); + perf_adjust_period(event, delta, hwc->last_period, true); } /* diff --git a/kernel/exit.c b/kernel/exit.c index 294b1709170d1e..4b4042f9bc6ade 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1038,6 +1038,22 @@ void do_exit(long code) if (tsk->nr_dirtied) __this_cpu_add(dirty_throttle_leaks, tsk->nr_dirtied); exit_rcu(); + + /* + * The setting of TASK_RUNNING by try_to_wake_up() may be delayed + * when the following two conditions become true. + * - There is race condition of mmap_sem (It is acquired by + * exit_mm()), and + * - SMI occurs before setting TASK_RUNINNG. + * (or hypervisor of virtual machine switches to other guest) + * As a result, we may become TASK_RUNNING after becoming TASK_DEAD + * + * To avoid it, we have to wait for releasing tsk->pi_lock which + * is held by try_to_wake_up() + */ + smp_mb(); + raw_spin_unlock_wait(&tsk->pi_lock); + /* causes final put_task_struct in finish_task_switch(). */ tsk->state = TASK_DEAD; tsk->flags |= PF_NOFREEZE; /* tell freezer to ignore us */ diff --git a/kernel/fork.c b/kernel/fork.c index 051f090d40c123..1b2ef3c23ae4a7 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -647,6 +647,26 @@ struct mm_struct *get_task_mm(struct task_struct *task) } EXPORT_SYMBOL_GPL(get_task_mm); +struct mm_struct *mm_access(struct task_struct *task, unsigned int mode) +{ + struct mm_struct *mm; + int err; + + err = mutex_lock_killable(&task->signal->cred_guard_mutex); + if (err) + return ERR_PTR(err); + + mm = get_task_mm(task); + if (mm && mm != current->mm && + !ptrace_may_access(task, mode)) { + mmput(mm); + mm = ERR_PTR(-EACCES); + } + mutex_unlock(&task->signal->cred_guard_mutex); + + return mm; +} + /* Please note the differences between mmput and mm_release. * mmput is called whenever we stop holding onto a mm_struct, * error success whatever. diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 29f5b65bee2932..9788c0ec6f4378 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -1673,8 +1673,12 @@ static int __kprobes pre_handler_kretprobe(struct kprobe *p, ri->rp = rp; ri->task = current; - if (rp->entry_handler && rp->entry_handler(ri, regs)) + if (rp->entry_handler && rp->entry_handler(ri, regs)) { + raw_spin_lock_irqsave(&rp->lock, flags); + hlist_add_head(&ri->hlist, &rp->free_instances); + raw_spin_unlock_irqrestore(&rp->lock, flags); return 0; + } arch_prepare_kretprobe(ri, regs); diff --git a/kernel/power/power.h b/kernel/power/power.h index 0c4defe6d3b873..21724eee5206f7 100644 --- a/kernel/power/power.h +++ b/kernel/power/power.h @@ -231,8 +231,28 @@ extern int pm_test_level; #ifdef CONFIG_SUSPEND_FREEZER static inline int suspend_freeze_processes(void) { - int error = freeze_processes(); - return error ? : freeze_kernel_threads(); + int error; + + error = freeze_processes(); + + /* + * freeze_processes() automatically thaws every task if freezing + * fails. So we need not do anything extra upon error. + */ + if (error) + goto Finish; + + error = freeze_kernel_threads(); + + /* + * freeze_kernel_threads() thaws only kernel threads upon freezing + * failure. So we have to thaw the userspace tasks ourselves. + */ + if (error) + thaw_processes(); + + Finish: + return error; } static inline void suspend_thaw_processes(void) diff --git a/kernel/power/process.c b/kernel/power/process.c index 77274c9ba2f1a9..7e426459e60a21 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -143,7 +143,10 @@ int freeze_processes(void) /** * freeze_kernel_threads - Make freezable kernel threads go to the refrigerator. * - * On success, returns 0. On failure, -errno and system is fully thawed. + * On success, returns 0. On failure, -errno and only the kernel threads are + * thawed, so as to give a chance to the caller to do additional cleanups + * (if any) before thawing the userspace tasks. So, it is the responsibility + * of the caller to thaw the userspace tasks, when the time is right. */ int freeze_kernel_threads(void) { @@ -159,7 +162,7 @@ int freeze_kernel_threads(void) BUG_ON(in_atomic()); if (error) - thaw_processes(); + thaw_kernel_threads(); return error; } @@ -188,3 +191,22 @@ void thaw_processes(void) printk("done.\n"); } +void thaw_kernel_threads(void) +{ + struct task_struct *g, *p; + + pm_nosig_freezing = false; + printk("Restarting kernel threads ... "); + + thaw_workqueues(); + + read_lock(&tasklist_lock); + do_each_thread(g, p) { + if (p->flags & (PF_KTHREAD | PF_WQ_WORKER)) + __thaw_task(p); + } while_each_thread(g, p); + read_unlock(&tasklist_lock); + + schedule(); + printk("done.\n"); +} diff --git a/kernel/power/user.c b/kernel/power/user.c index 6b1ab7a8852282..3e100075b13cb6 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -249,13 +249,15 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, } pm_restore_gfp_mask(); error = hibernation_snapshot(data->platform_support); - if (!error) { + if (error) { + thaw_kernel_threads(); + } else { error = put_user(in_suspend, (int __user *)arg); if (!error && !freezer_test_done) data->ready = 1; if (freezer_test_done) { freezer_test_done = false; - thaw_processes(); + thaw_kernel_threads(); } } break; @@ -274,6 +276,15 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, swsusp_free(); memset(&data->handle, 0, sizeof(struct snapshot_handle)); data->ready = 0; + /* + * It is necessary to thaw kernel threads here, because + * SNAPSHOT_CREATE_IMAGE may be invoked directly after + * SNAPSHOT_FREE. In that case, if kernel threads were not + * thawed, the preallocation of memory carried out by + * hibernation_snapshot() might run into problems (i.e. it + * might fail or even deadlock). + */ + thaw_kernel_threads(); break; case SNAPSHOT_PREF_IMAGE_SIZE: diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c index 88f17b8a3b1dac..a58ac285fc69bb 100644 --- a/kernel/rcutorture.c +++ b/kernel/rcutorture.c @@ -56,8 +56,8 @@ static int nreaders = -1; /* # reader threads, defaults to 2*ncpus */ static int nfakewriters = 4; /* # fake writer threads */ static int stat_interval; /* Interval between stats, in seconds. */ /* Defaults to "only at end of test". */ -static int verbose; /* Print more debug info. */ -static int test_no_idle_hz; /* Test RCU's support for tickless idle CPUs. */ +static bool verbose; /* Print more debug info. */ +static bool test_no_idle_hz; /* Test RCU's support for tickless idle CPUs. */ static int shuffle_interval = 3; /* Interval between shuffles (in sec)*/ static int stutter = 5; /* Start/stop testing interval (in sec) */ static int irqreader = 1; /* RCU readers from irq (timers). */ @@ -1399,7 +1399,7 @@ rcu_torture_shutdown(void *arg) * Execute random CPU-hotplug operations at the interval specified * by the onoff_interval. */ -static int +static int __cpuinit rcu_torture_onoff(void *arg) { int cpu; @@ -1447,7 +1447,7 @@ rcu_torture_onoff(void *arg) return 0; } -static int +static int __cpuinit rcu_torture_onoff_init(void) { if (onoff_interval <= 0) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index df00cb09263e09..5255c9d2e05322 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -74,6 +74,7 @@ #include <asm/tlb.h> #include <asm/irq_regs.h> +#include <asm/mutex.h> #ifdef CONFIG_PARAVIRT #include <asm/paravirt.h> #endif @@ -723,9 +724,6 @@ static void dequeue_task(struct rq *rq, struct task_struct *p, int flags) p->sched_class->dequeue_task(rq, p, flags); } -/* - * activate_task - move a task to the runqueue. - */ void activate_task(struct rq *rq, struct task_struct *p, int flags) { if (task_contributes_to_load(p)) @@ -734,9 +732,6 @@ void activate_task(struct rq *rq, struct task_struct *p, int flags) enqueue_task(rq, p, flags); } -/* - * deactivate_task - remove a task from the runqueue. - */ void deactivate_task(struct rq *rq, struct task_struct *p, int flags) { if (task_contributes_to_load(p)) @@ -4134,7 +4129,7 @@ recheck: on_rq = p->on_rq; running = task_current(rq, p); if (on_rq) - deactivate_task(rq, p, 0); + dequeue_task(rq, p, 0); if (running) p->sched_class->put_prev_task(rq, p); @@ -4147,7 +4142,7 @@ recheck: if (running) p->sched_class->set_curr_task(rq); if (on_rq) - activate_task(rq, p, 0); + enqueue_task(rq, p, 0); check_class_changed(rq, p, prev_class, oldprio); task_rq_unlock(rq, p, &flags); @@ -4998,9 +4993,9 @@ static int __migrate_task(struct task_struct *p, int src_cpu, int dest_cpu) * placed properly. */ if (p->on_rq) { - deactivate_task(rq_src, p, 0); + dequeue_task(rq_src, p, 0); set_task_cpu(p, dest_cpu); - activate_task(rq_dest, p, 0); + enqueue_task(rq_dest, p, 0); check_preempt_curr(rq_dest, p, 0); } done: @@ -7032,10 +7027,10 @@ static void normalize_task(struct rq *rq, struct task_struct *p) on_rq = p->on_rq; if (on_rq) - deactivate_task(rq, p, 0); + dequeue_task(rq, p, 0); __setscheduler(rq, p, SCHED_NORMAL, 0); if (on_rq) { - activate_task(rq, p, 0); + enqueue_task(rq, p, 0); resched_task(rq->curr); } diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 84adb2d66cbd3d..7c6414fc669de4 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4866,6 +4866,15 @@ static void nohz_balancer_kick(int cpu) return; } +static inline void clear_nohz_tick_stopped(int cpu) +{ + if (unlikely(test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)))) { + cpumask_clear_cpu(cpu, nohz.idle_cpus_mask); + atomic_dec(&nohz.nr_cpus); + clear_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)); + } +} + static inline void set_cpu_sd_state_busy(void) { struct sched_domain *sd; @@ -4904,6 +4913,12 @@ void select_nohz_load_balancer(int stop_tick) { int cpu = smp_processor_id(); + /* + * If this cpu is going down, then nothing needs to be done. + */ + if (!cpu_active(cpu)) + return; + if (stop_tick) { if (test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu))) return; @@ -4914,6 +4929,18 @@ void select_nohz_load_balancer(int stop_tick) } return; } + +static int __cpuinit sched_ilb_notifier(struct notifier_block *nfb, + unsigned long action, void *hcpu) +{ + switch (action & ~CPU_TASKS_FROZEN) { + case CPU_DYING: + clear_nohz_tick_stopped(smp_processor_id()); + return NOTIFY_OK; + default: + return NOTIFY_DONE; + } +} #endif static DEFINE_SPINLOCK(balancing); @@ -5070,11 +5097,7 @@ static inline int nohz_kick_needed(struct rq *rq, int cpu) * busy tick after returning from idle, we will update the busy stats. */ set_cpu_sd_state_busy(); - if (unlikely(test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)))) { - clear_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)); - cpumask_clear_cpu(cpu, nohz.idle_cpus_mask); - atomic_dec(&nohz.nr_cpus); - } + clear_nohz_tick_stopped(cpu); /* * None are in tickless mode and hence no need for NOHZ idle load @@ -5590,6 +5613,7 @@ __init void init_sched_fair_class(void) #ifdef CONFIG_NO_HZ zalloc_cpumask_var(&nohz.idle_cpus_mask, GFP_NOWAIT); + cpu_notifier(sched_ilb_notifier, 0); #endif #endif /* SMP */ diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 3640ebbb466b0b..f42ae7fb5ec555 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -1587,6 +1587,11 @@ static int push_rt_task(struct rq *rq) if (!next_task) return 0; +#ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW + if (unlikely(task_running(rq, next_task))) + return 0; +#endif + retry: if (unlikely(next_task == rq->curr)) { WARN_ON(1); diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 1d7bca7f4f527c..d117262deba305 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -296,7 +296,7 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer) if (__this_cpu_read(soft_watchdog_warn) == true) return HRTIMER_RESTART; - printk(KERN_ERR "BUG: soft lockup - CPU#%d stuck for %us! [%s:%d]\n", + printk(KERN_EMERG "BUG: soft lockup - CPU#%d stuck for %us! [%s:%d]\n", smp_processor_id(), duration, current->comm, task_pid_nr(current)); print_modules(); diff --git a/lib/Kconfig b/lib/Kconfig index 169eb7c598e54d..028aba9e72af98 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -19,6 +19,9 @@ config RATIONAL config GENERIC_FIND_FIRST_BIT bool +config NO_GENERIC_PCI_IOPORT_MAP + bool + config GENERIC_PCI_IOMAP bool @@ -279,6 +282,9 @@ config AVERAGE If unsure, say N. +config CLZ_TAB + bool + config CORDIC tristate "CORDIC algorithm" help @@ -287,6 +293,7 @@ config CORDIC config MPILIB tristate + select CLZ_TAB help Multiprecision maths library from GnuPG. It is used to implement RSA digital signature verification, diff --git a/lib/Makefile b/lib/Makefile index d71aae1b01b364..18515f0267c415 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -121,6 +121,8 @@ obj-$(CONFIG_DQL) += dynamic_queue_limits.o obj-$(CONFIG_MPILIB) += mpi/ obj-$(CONFIG_SIGNATURE) += digsig.o +obj-$(CONFIG_CLZ_TAB) += clz_tab.o + hostprogs-y := gen_crc32table clean-files := crc32table.h diff --git a/lib/bug.c b/lib/bug.c index 19552096d16b06..a28c1415357cac 100644 --- a/lib/bug.c +++ b/lib/bug.c @@ -169,7 +169,7 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs) return BUG_TRAP_TYPE_WARN; } - printk(KERN_EMERG "------------[ cut here ]------------\n"); + printk(KERN_DEFAULT "------------[ cut here ]------------\n"); if (file) printk(KERN_CRIT "kernel BUG at %s:%u!\n", diff --git a/lib/clz_tab.c b/lib/clz_tab.c new file mode 100644 index 00000000000000..7287b4a991a7aa --- /dev/null +++ b/lib/clz_tab.c @@ -0,0 +1,18 @@ +const unsigned char __clz_tab[] = { + 0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, +}; diff --git a/lib/digsig.c b/lib/digsig.c index fd2402f67f89a0..286d558033e270 100644 --- a/lib/digsig.c +++ b/lib/digsig.c @@ -34,14 +34,9 @@ static int pkcs_1_v1_5_decode_emsa(const unsigned char *msg, unsigned long msglen, unsigned long modulus_bitlen, unsigned char *out, - unsigned long *outlen, - int *is_valid) + unsigned long *outlen) { unsigned long modulus_len, ps_len, i; - int result; - - /* default to invalid packet */ - *is_valid = 0; modulus_len = (modulus_bitlen >> 3) + (modulus_bitlen & 7 ? 1 : 0); @@ -50,39 +45,30 @@ static int pkcs_1_v1_5_decode_emsa(const unsigned char *msg, return -EINVAL; /* separate encoded message */ - if ((msg[0] != 0x00) || (msg[1] != (unsigned char)1)) { - result = -EINVAL; - goto bail; - } + if ((msg[0] != 0x00) || (msg[1] != (unsigned char)1)) + return -EINVAL; for (i = 2; i < modulus_len - 1; i++) if (msg[i] != 0xFF) break; /* separator check */ - if (msg[i] != 0) { + if (msg[i] != 0) /* There was no octet with hexadecimal value 0x00 to separate ps from m. */ - result = -EINVAL; - goto bail; - } + return -EINVAL; ps_len = i - 2; if (*outlen < (msglen - (2 + ps_len + 1))) { *outlen = msglen - (2 + ps_len + 1); - result = -EOVERFLOW; - goto bail; + return -EOVERFLOW; } *outlen = (msglen - (2 + ps_len + 1)); memcpy(out, &msg[2 + ps_len + 1], *outlen); - /* valid packet */ - *is_valid = 1; - result = 0; -bail: - return result; + return 0; } /* @@ -96,7 +82,7 @@ static int digsig_verify_rsa(struct key *key, unsigned long len; unsigned long mlen, mblen; unsigned nret, l; - int valid, head, i; + int head, i; unsigned char *out1 = NULL, *out2 = NULL; MPI in = NULL, res = NULL, pkey[2]; uint8_t *p, *datap, *endp; @@ -105,6 +91,10 @@ static int digsig_verify_rsa(struct key *key, down_read(&key->sem); ukp = key->payload.data; + + if (ukp->datalen < sizeof(*pkh)) + goto err1; + pkh = (struct pubkey_hdr *)ukp->data; if (pkh->version != 1) @@ -117,18 +107,23 @@ static int digsig_verify_rsa(struct key *key, goto err1; datap = pkh->mpi; - endp = datap + ukp->datalen; + endp = ukp->data + ukp->datalen; + + err = -ENOMEM; for (i = 0; i < pkh->nmpi; i++) { unsigned int remaining = endp - datap; pkey[i] = mpi_read_from_buffer(datap, &remaining); + if (!pkey[i]) + goto err; datap += remaining; } mblen = mpi_get_nbits(pkey[0]); mlen = (mblen + 7)/8; - err = -ENOMEM; + if (mlen == 0) + goto err; out1 = kzalloc(mlen, GFP_KERNEL); if (!out1) @@ -167,10 +162,9 @@ static int digsig_verify_rsa(struct key *key, memset(out1, 0, head); memcpy(out1 + head, p, l); - err = -EINVAL; - pkcs_1_v1_5_decode_emsa(out1, len, mblen, out2, &len, &valid); + err = pkcs_1_v1_5_decode_emsa(out1, len, mblen, out2, &len); - if (valid && len == hlen) + if (!err && len == hlen) err = memcmp(out2, h, hlen); err: @@ -178,8 +172,8 @@ err: mpi_free(res); kfree(out1); kfree(out2); - mpi_free(pkey[0]); - mpi_free(pkey[1]); + while (--i >= 0) + mpi_free(pkey[i]); err1: up_read(&key->sem); diff --git a/lib/kstrtox.c b/lib/kstrtox.c index 7a94c8f14e295f..b1dd3e7d88cb8b 100644 --- a/lib/kstrtox.c +++ b/lib/kstrtox.c @@ -44,12 +44,13 @@ const char *_parse_integer_fixup_radix(const char *s, unsigned int *base) * * Don't you dare use this function. */ -unsigned int _parse_integer(const char *s, unsigned int base, unsigned long long *res) +unsigned int _parse_integer(const char *s, unsigned int base, unsigned long long *p) { + unsigned long long res; unsigned int rv; int overflow; - *res = 0; + res = 0; rv = 0; overflow = 0; while (*s) { @@ -64,12 +65,19 @@ unsigned int _parse_integer(const char *s, unsigned int base, unsigned long long if (val >= base) break; - if (*res > div_u64(ULLONG_MAX - val, base)) - overflow = 1; - *res = *res * base + val; + /* + * Check for overflow only if we are within range of + * it in the max base we support (16) + */ + if (unlikely(res & (~0ull << 60))) { + if (res > div_u64(ULLONG_MAX - val, base)) + overflow = 1; + } + res = res * base + val; rv++; s++; } + *p = res; if (overflow) rv |= KSTRTOX_OVERFLOW; return rv; diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h index b87487b40a8b91..29f98624ef93a7 100644 --- a/lib/mpi/longlong.h +++ b/lib/mpi/longlong.h @@ -1200,18 +1200,40 @@ do { \ "r" ((USItype)(v)) \ : "%g1", "%g2" __AND_CLOBBER_CC) #define UMUL_TIME 39 /* 39 instructions */ -#endif -#ifndef udiv_qrnnd -#ifndef LONGLONG_STANDALONE +/* It's quite necessary to add this much assembler for the sparc. + The default udiv_qrnnd (in C) is more than 10 times slower! */ #define udiv_qrnnd(q, r, n1, n0, d) \ -do { USItype __r; \ - (q) = __udiv_qrnnd(&__r, (n1), (n0), (d)); \ - (r) = __r; \ -} while (0) - extern USItype __udiv_qrnnd(); -#define UDIV_TIME 140 -#endif /* LONGLONG_STANDALONE */ -#endif /* udiv_qrnnd */ + __asm__ ("! Inlined udiv_qrnnd\n\t" \ + "mov 32,%%g1\n\t" \ + "subcc %1,%2,%%g0\n\t" \ + "1: bcs 5f\n\t" \ + "addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb\n\t" \ + "sub %1,%2,%1 ! this kills msb of n\n\t" \ + "addx %1,%1,%1 ! so this can't give carry\n\t" \ + "subcc %%g1,1,%%g1\n\t" \ + "2: bne 1b\n\t" \ + "subcc %1,%2,%%g0\n\t" \ + "bcs 3f\n\t" \ + "addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb\n\t" \ + "b 3f\n\t" \ + "sub %1,%2,%1 ! this kills msb of n\n\t" \ + "4: sub %1,%2,%1\n\t" \ + "5: addxcc %1,%1,%1\n\t" \ + "bcc 2b\n\t" \ + "subcc %%g1,1,%%g1\n\t" \ + "! Got carry from n. Subtract next step to cancel this carry.\n\t" \ + "bne 4b\n\t" \ + "addcc %0,%0,%0 ! shift n1n0 and a 0-bit in lsb\n\t" \ + "sub %1,%2,%1\n\t" \ + "3: xnor %0,0,%0\n\t" \ + "! End of inline udiv_qrnnd\n" \ + : "=&r" ((USItype)(q)), \ + "=&r" ((USItype)(r)) \ + : "r" ((USItype)(d)), \ + "1" ((USItype)(n1)), \ + "0" ((USItype)(n0)) : "%g1", "cc") +#define UDIV_TIME (3+7*32) /* 7 instructions/iteration. 32 iterations. */ +#endif #endif /* __sparc__ */ /*************************************** diff --git a/lib/mpi/mpi-bit.c b/lib/mpi/mpi-bit.c index 854c9c6da025ef..2f526627e4f575 100644 --- a/lib/mpi/mpi-bit.c +++ b/lib/mpi/mpi-bit.c @@ -21,25 +21,6 @@ #include "mpi-internal.h" #include "longlong.h" -const unsigned char __clz_tab[] = { - 0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, - 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, - 6, 6, 6, 6, 6, 6, 6, 6, - 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, - 7, 7, 7, 7, 7, 7, 7, 7, - 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, - 7, 7, 7, 7, 7, 7, 7, 7, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, -}; - #define A_LIMB_1 ((mpi_limb_t) 1) /**************** diff --git a/lib/mpi/mpi-div.c b/lib/mpi/mpi-div.c index c3087d1390ce5d..f68cbbb4d4a4ec 100644 --- a/lib/mpi/mpi-div.c +++ b/lib/mpi/mpi-div.c @@ -149,6 +149,9 @@ int mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den) mpi_ptr_t marker[5]; int markidx = 0; + if (!dsize) + return -EINVAL; + memset(marker, 0, sizeof(marker)); /* Ensure space is enough for quotient and remainder. @@ -207,6 +210,8 @@ int mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den) * numerator would be gradually overwritten by the quotient limbs. */ if (qp == np) { /* Copy NP object to temporary space. */ np = marker[markidx++] = mpi_alloc_limb_space(nsize); + if (!np) + goto nomem; MPN_COPY(np, qp, nsize); } } else /* Put quotient at top of remainder. */ diff --git a/lib/mpi/mpi-pow.c b/lib/mpi/mpi-pow.c index b04a3cf8008083..67f3e79af9140e 100644 --- a/lib/mpi/mpi-pow.c +++ b/lib/mpi/mpi-pow.c @@ -59,7 +59,7 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) ep = exp->d; if (!msize) - msize = 1 / msize; /* provoke a signal */ + return -EINVAL; if (!esize) { /* Exponent is zero, result is 1 mod MOD, i.e., 1 or 0 diff --git a/lib/mpi/mpicoder.c b/lib/mpi/mpicoder.c index 716802b774ea9a..f26b41fcb48c69 100644 --- a/lib/mpi/mpicoder.c +++ b/lib/mpi/mpicoder.c @@ -20,78 +20,15 @@ #include "mpi-internal.h" -#define DIM(v) (sizeof(v)/sizeof((v)[0])) #define MAX_EXTERN_MPI_BITS 16384 -static uint8_t asn[15] = /* Object ID is 1.3.14.3.2.26 */ -{ 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, - 0x02, 0x1a, 0x05, 0x00, 0x04, 0x14 -}; - -MPI do_encode_md(const void *sha_buffer, unsigned nbits) -{ - int nframe = (nbits + 7) / 8; - uint8_t *frame, *fr_pt; - int i = 0, n; - size_t asnlen = DIM(asn); - MPI a = MPI_NULL; - - if (SHA1_DIGEST_LENGTH + asnlen + 4 > nframe) - pr_info("MPI: can't encode a %d bit MD into a %d bits frame\n", - (int)(SHA1_DIGEST_LENGTH * 8), (int)nbits); - - /* We encode the MD in this way: - * - * 0 A PAD(n bytes) 0 ASN(asnlen bytes) MD(len bytes) - * - * PAD consists of FF bytes. - */ - frame = kmalloc(nframe, GFP_KERNEL); - if (!frame) - return MPI_NULL; - n = 0; - frame[n++] = 0; - frame[n++] = 1; /* block type */ - i = nframe - SHA1_DIGEST_LENGTH - asnlen - 3; - - if (i <= 1) { - pr_info("MPI: message digest encoding failed\n"); - kfree(frame); - return a; - } - - memset(frame + n, 0xff, i); - n += i; - frame[n++] = 0; - memcpy(frame + n, &asn, asnlen); - n += asnlen; - memcpy(frame + n, sha_buffer, SHA1_DIGEST_LENGTH); - n += SHA1_DIGEST_LENGTH; - - i = nframe; - fr_pt = frame; - - if (n != nframe) { - printk - ("MPI: message digest encoding failed, frame length is wrong\n"); - kfree(frame); - return a; - } - - a = mpi_alloc((nframe + BYTES_PER_MPI_LIMB - 1) / BYTES_PER_MPI_LIMB); - mpi_set_buffer(a, frame, nframe, 0); - kfree(frame); - - return a; -} - MPI mpi_read_from_buffer(const void *xbuffer, unsigned *ret_nread) { const uint8_t *buffer = xbuffer; int i, j; unsigned nbits, nbytes, nlimbs, nread = 0; mpi_limb_t a; - MPI val = MPI_NULL; + MPI val = NULL; if (*ret_nread < 2) goto leave; @@ -108,7 +45,7 @@ MPI mpi_read_from_buffer(const void *xbuffer, unsigned *ret_nread) nlimbs = (nbytes + BYTES_PER_MPI_LIMB - 1) / BYTES_PER_MPI_LIMB; val = mpi_alloc(nlimbs); if (!val) - return MPI_NULL; + return NULL; i = BYTES_PER_MPI_LIMB - nbytes % BYTES_PER_MPI_LIMB; i %= BYTES_PER_MPI_LIMB; val->nbits = nbits; @@ -212,30 +149,6 @@ int mpi_fromstr(MPI val, const char *str) EXPORT_SYMBOL_GPL(mpi_fromstr); /**************** - * Special function to get the low 8 bytes from an mpi. - * This can be used as a keyid; KEYID is an 2 element array. - * Return the low 4 bytes. - */ -u32 mpi_get_keyid(const MPI a, u32 *keyid) -{ -#if BYTES_PER_MPI_LIMB == 4 - if (keyid) { - keyid[0] = a->nlimbs >= 2 ? a->d[1] : 0; - keyid[1] = a->nlimbs >= 1 ? a->d[0] : 0; - } - return a->nlimbs >= 1 ? a->d[0] : 0; -#elif BYTES_PER_MPI_LIMB == 8 - if (keyid) { - keyid[0] = a->nlimbs ? (u32) (a->d[0] >> 32) : 0; - keyid[1] = a->nlimbs ? (u32) (a->d[0] & 0xffffffff) : 0; - } - return a->nlimbs ? (u32) (a->d[0] & 0xffffffff) : 0; -#else -#error Make this function work with other LIMB sizes -#endif -} - -/**************** * Return an allocated buffer with the MPI (msb first). * NBYTES receives the length of this buffer. Caller must free the * return string (This function does return a 0 byte buffer with NBYTES diff --git a/lib/mpi/mpih-div.c b/lib/mpi/mpih-div.c index 87ede162dfabee..cde1aaec18da9d 100644 --- a/lib/mpi/mpih-div.c +++ b/lib/mpi/mpih-div.c @@ -217,6 +217,10 @@ mpihelp_divrem(mpi_ptr_t qp, mpi_size_t qextra_limbs, case 0: /* We are asked to divide by zero, so go ahead and do it! (To make the compiler not remove this statement, return the value.) */ + /* + * existing clients of this function have been modified + * not to call it with dsize == 0, so this should not happen + */ return 1 / dsize; case 1: diff --git a/lib/mpi/mpiutil.c b/lib/mpi/mpiutil.c index eefc55d6b7f5b8..26e4ed31e256f7 100644 --- a/lib/mpi/mpiutil.c +++ b/lib/mpi/mpiutil.c @@ -58,6 +58,9 @@ mpi_ptr_t mpi_alloc_limb_space(unsigned nlimbs) { size_t len = nlimbs * sizeof(mpi_limb_t); + if (!len) + return NULL; + return kmalloc(len, GFP_KERNEL); } @@ -135,7 +138,7 @@ int mpi_copy(MPI *copied, const MPI a) size_t i; MPI b; - *copied = MPI_NULL; + *copied = NULL; if (a) { b = mpi_alloc(a->nlimbs); diff --git a/lib/pci_iomap.c b/lib/pci_iomap.c index 4b0fdc22e688d3..0d83ea8a960542 100644 --- a/lib/pci_iomap.c +++ b/lib/pci_iomap.c @@ -34,7 +34,7 @@ void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) if (maxlen && len > maxlen) len = maxlen; if (flags & IORESOURCE_IO) - return ioport_map(start, len); + return __pci_ioport_map(dev, start, len); if (flags & IORESOURCE_MEM) { if (flags & IORESOURCE_CACHEABLE) return ioremap(start, len); diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 7ba8feae11b8a5..dd8e2aafb07e1a 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -318,7 +318,7 @@ static void wakeup_timer_fn(unsigned long data) if (bdi->wb.task) { trace_writeback_wake_thread(bdi); wake_up_process(bdi->wb.task); - } else { + } else if (bdi->dev) { /* * When bdi tasks are inactive for long time, they are killed. * In this case we have to wake-up the forker thread which @@ -584,6 +584,8 @@ EXPORT_SYMBOL(bdi_register_dev); */ static void bdi_wb_shutdown(struct backing_dev_info *bdi) { + struct task_struct *task; + if (!bdi_cap_writeback_dirty(bdi)) return; @@ -602,8 +604,13 @@ static void bdi_wb_shutdown(struct backing_dev_info *bdi) * Finally, kill the kernel thread. We don't need to be RCU * safe anymore, since the bdi is gone from visibility. */ - if (bdi->wb.task) - kthread_stop(bdi->wb.task); + spin_lock_bh(&bdi->wb_lock); + task = bdi->wb.task; + bdi->wb.task = NULL; + spin_unlock_bh(&bdi->wb_lock); + + if (task) + kthread_stop(task); } /* @@ -623,7 +630,9 @@ static void bdi_prune_sb(struct backing_dev_info *bdi) void bdi_unregister(struct backing_dev_info *bdi) { - if (bdi->dev) { + struct device *dev = bdi->dev; + + if (dev) { bdi_set_min_ratio(bdi, 0); trace_writeback_bdi_unregister(bdi); bdi_prune_sb(bdi); @@ -632,8 +641,12 @@ void bdi_unregister(struct backing_dev_info *bdi) if (!bdi_cap_flush_forker(bdi)) bdi_wb_shutdown(bdi); bdi_debug_unregister(bdi); - device_unregister(bdi->dev); + + spin_lock_bh(&bdi->wb_lock); bdi->dev = NULL; + spin_unlock_bh(&bdi->wb_lock); + + device_unregister(dev); } } EXPORT_SYMBOL(bdi_unregister); diff --git a/mm/compaction.c b/mm/compaction.c index 71a58f67f48177..d9ebebe1a2aaae 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -313,12 +313,34 @@ static isolate_migrate_t isolate_migratepages(struct zone *zone, } else if (!locked) spin_lock_irq(&zone->lru_lock); + /* + * migrate_pfn does not necessarily start aligned to a + * pageblock. Ensure that pfn_valid is called when moving + * into a new MAX_ORDER_NR_PAGES range in case of large + * memory holes within the zone + */ + if ((low_pfn & (MAX_ORDER_NR_PAGES - 1)) == 0) { + if (!pfn_valid(low_pfn)) { + low_pfn += MAX_ORDER_NR_PAGES - 1; + continue; + } + } + if (!pfn_valid_within(low_pfn)) continue; nr_scanned++; - /* Get the page and skip if free */ + /* + * Get the page and ensure the page is within the same zone. + * See the comment in isolate_freepages about overlapping + * nodes. It is deliberate that the new zone lock is not taken + * as memory compaction should not move pages between nodes. + */ page = pfn_to_page(low_pfn); + if (page_zone(page) != zone) + continue; + + /* Skip if free */ if (PageBuddy(page)) continue; diff --git a/mm/filemap.c b/mm/filemap.c index 97f49ed35bd24f..b66275757c281b 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1400,15 +1400,12 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov, unsigned long seg = 0; size_t count; loff_t *ppos = &iocb->ki_pos; - struct blk_plug plug; count = 0; retval = generic_segment_checks(iov, &nr_segs, &count, VERIFY_WRITE); if (retval) return retval; - blk_start_plug(&plug); - /* coalesce the iovecs and go direct-to-BIO for O_DIRECT */ if (filp->f_flags & O_DIRECT) { loff_t size; @@ -1424,8 +1421,12 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov, retval = filemap_write_and_wait_range(mapping, pos, pos + iov_length(iov, nr_segs) - 1); if (!retval) { + struct blk_plug plug; + + blk_start_plug(&plug); retval = mapping->a_ops->direct_IO(READ, iocb, iov, pos, nr_segs); + blk_finish_plug(&plug); } if (retval > 0) { *ppos = pos + retval; @@ -1481,7 +1482,6 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov, break; } out: - blk_finish_plug(&plug); return retval; } EXPORT_SYMBOL(generic_file_aio_read); diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c index f91b2f68734331..a4eb3113222912 100644 --- a/mm/filemap_xip.c +++ b/mm/filemap_xip.c @@ -263,7 +263,12 @@ found: xip_pfn); if (err == -ENOMEM) return VM_FAULT_OOM; - BUG_ON(err); + /* + * err == -EBUSY is fine, we've raced against another thread + * that faulted-in the same page + */ + if (err != -EBUSY) + BUG_ON(err); return VM_FAULT_NOPAGE; } else { int err, ret = VM_FAULT_OOM; diff --git a/mm/huge_memory.c b/mm/huge_memory.c index b3ffc21ce8010b..91d3efb25d1547 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2083,7 +2083,7 @@ static void collect_mm_slot(struct mm_slot *mm_slot) { struct mm_struct *mm = mm_slot->mm; - VM_BUG_ON(!spin_is_locked(&khugepaged_mm_lock)); + VM_BUG_ON(NR_CPUS != 1 && !spin_is_locked(&khugepaged_mm_lock)); if (khugepaged_test_exit(mm)) { /* free mm_slot */ @@ -2113,7 +2113,7 @@ static unsigned int khugepaged_scan_mm_slot(unsigned int pages, int progress = 0; VM_BUG_ON(!pages); - VM_BUG_ON(!spin_is_locked(&khugepaged_mm_lock)); + VM_BUG_ON(NR_CPUS != 1 && !spin_is_locked(&khugepaged_mm_lock)); if (khugepaged_scan.mm_slot) mm_slot = khugepaged_scan.mm_slot; diff --git a/mm/kmemleak.c b/mm/kmemleak.c index c833addd94d747..45eb6217bf38e7 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -1036,7 +1036,7 @@ void __ref kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp) { pr_debug("%s(0x%p)\n", __func__, ptr); - if (atomic_read(&kmemleak_enabled) && ptr && !IS_ERR(ptr)) + if (atomic_read(&kmemleak_enabled) && ptr && size && !IS_ERR(ptr)) add_scan_area((unsigned long)ptr, size, gfp); else if (atomic_read(&kmemleak_early_log)) log_early(KMEMLEAK_SCAN_AREA, ptr, size, 0); @@ -1757,6 +1757,7 @@ void __init kmemleak_init(void) #ifdef CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF if (!kmemleak_skip_disable) { + atomic_set(&kmemleak_early_log, 0); kmemleak_disable(); return; } diff --git a/mm/memblock.c b/mm/memblock.c index 2f55f19b7c8651..77b5f227e1d86d 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -106,14 +106,17 @@ phys_addr_t __init_memblock memblock_find_in_range_node(phys_addr_t start, if (end == MEMBLOCK_ALLOC_ACCESSIBLE) end = memblock.current_limit; - /* adjust @start to avoid underflow and allocating the first page */ - start = max3(start, size, (phys_addr_t)PAGE_SIZE); + /* avoid allocating the first page */ + start = max_t(phys_addr_t, start, PAGE_SIZE); end = max(start, end); for_each_free_mem_range_reverse(i, nid, &this_start, &this_end, NULL) { this_start = clamp(this_start, start, end); this_end = clamp(this_end, start, end); + if (this_end < size) + continue; + cand = round_down(this_end - size, align); if (cand >= this_start) return cand; diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 556859fec4ef45..6728a7ae6f2d1e 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -776,7 +776,8 @@ static void memcg_check_events(struct mem_cgroup *memcg, struct page *page) /* threshold event is triggered in finer grain than soft limit */ if (unlikely(mem_cgroup_event_ratelimit(memcg, MEM_CGROUP_TARGET_THRESH))) { - bool do_softlimit, do_numainfo; + bool do_softlimit; + bool do_numainfo __maybe_unused; do_softlimit = mem_cgroup_event_ratelimit(memcg, MEM_CGROUP_TARGET_SOFTLIMIT); diff --git a/mm/migrate.c b/mm/migrate.c index 9871a56d82c30b..df141f60289eef 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -445,7 +445,6 @@ void migrate_page_copy(struct page *newpage, struct page *page) ClearPageSwapCache(page); ClearPagePrivate(page); set_page_private(page, 0); - page->mapping = NULL; /* * If any waiters have accumulated on the new page then @@ -667,6 +666,7 @@ static int move_to_new_page(struct page *newpage, struct page *page, } else { if (remap_swapcache) remove_migration_ptes(page, newpage); + page->mapping = NULL; } unlock_page(newpage); diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c index e920aa3ce104c3..c20ff48994c290 100644 --- a/mm/process_vm_access.c +++ b/mm/process_vm_access.c @@ -298,23 +298,18 @@ static ssize_t process_vm_rw_core(pid_t pid, const struct iovec *lvec, goto free_proc_pages; } - task_lock(task); - if (__ptrace_may_access(task, PTRACE_MODE_ATTACH)) { - task_unlock(task); - rc = -EPERM; - goto put_task_struct; - } - mm = task->mm; - - if (!mm || (task->flags & PF_KTHREAD)) { - task_unlock(task); - rc = -EINVAL; + mm = mm_access(task, PTRACE_MODE_ATTACH); + if (!mm || IS_ERR(mm)) { + rc = IS_ERR(mm) ? PTR_ERR(mm) : -ESRCH; + /* + * Explicitly map EACCES to EPERM as EPERM is a more a + * appropriate error code for process_vw_readv/writev + */ + if (rc == -EACCES) + rc = -EPERM; goto put_task_struct; } - atomic_inc(&mm->mm_users); - task_unlock(task); - for (i = 0; i < riovcnt && iov_l_curr_idx < liovcnt; i++) { rc = process_vm_rw_single_vec( (unsigned long)rvec[i].iov_base, rvec[i].iov_len, diff --git a/mm/swap.c b/mm/swap.c index b0f529b3897944..fff1ff7fb9ada3 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -659,7 +659,7 @@ void lru_add_page_tail(struct zone* zone, VM_BUG_ON(!PageHead(page)); VM_BUG_ON(PageCompound(page_tail)); VM_BUG_ON(PageLRU(page_tail)); - VM_BUG_ON(!spin_is_locked(&zone->lru_lock)); + VM_BUG_ON(NR_CPUS != 1 && !spin_is_locked(&zone->lru_lock)); SetPageLRU(page_tail); diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index a986280864523d..a97d97a3a51270 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -539,8 +539,10 @@ static int transmit_skb(struct sk_buff *skb, struct caifsock *cf_sk, pkt = cfpkt_fromnative(CAIF_DIR_OUT, skb); memset(skb->cb, 0, sizeof(struct caif_payload_info)); - if (cf_sk->layer.dn == NULL) + if (cf_sk->layer.dn == NULL) { + kfree_skb(skb); return -EINVAL; + } return cf_sk->layer.dn->transmit(cf_sk->layer.dn, pkt); } @@ -683,10 +685,10 @@ static int caif_stream_sendmsg(struct kiocb *kiocb, struct socket *sock, } err = transmit_skb(skb, cf_sk, msg->msg_flags&MSG_DONTWAIT, timeo); - if (err < 0) { - kfree_skb(skb); + if (err < 0) + /* skb is already freed */ goto pipe_err; - } + sent += size; } diff --git a/net/caif/cfmuxl.c b/net/caif/cfmuxl.c index b36f24a4c8e749..94b08612a4d8d7 100644 --- a/net/caif/cfmuxl.c +++ b/net/caif/cfmuxl.c @@ -248,7 +248,6 @@ static void cfmuxl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl, { struct cfmuxl *muxl = container_obj(layr); struct cflayer *layer; - int idx; rcu_read_lock(); list_for_each_entry_rcu(layer, &muxl->srvl_list, node) { @@ -257,14 +256,9 @@ static void cfmuxl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl, if ((ctrl == _CAIF_CTRLCMD_PHYIF_DOWN_IND || ctrl == CAIF_CTRLCMD_REMOTE_SHUTDOWN_IND) && - layer->id != 0) { - - idx = layer->id % UP_CACHE_SIZE; - spin_lock_bh(&muxl->receive_lock); - RCU_INIT_POINTER(muxl->up_cache[idx], NULL); - list_del_rcu(&layer->node); - spin_unlock_bh(&muxl->receive_lock); - } + layer->id != 0) + cfmuxl_remove_uplayer(layr, layer->id); + /* NOTE: ctrlcmd is not allowed to block */ layer->ctrlcmd(layer, ctrl, phyid); } diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index 97f70e50ad3bb4..761ad9d6cc3b12 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -85,8 +85,6 @@ int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid) } else { pr_info("client%lld fsid %pU\n", ceph_client_id(client), fsid); memcpy(&client->fsid, fsid, sizeof(*fsid)); - ceph_debugfs_client_init(client); - client->have_fsid = true; } return 0; } diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index 0b62deae42bd88..1845cde2622740 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -8,8 +8,8 @@ #include <linux/ceph/mon_client.h> #include <linux/ceph/libceph.h> +#include <linux/ceph/debugfs.h> #include <linux/ceph/decode.h> - #include <linux/ceph/auth.h> /* @@ -340,8 +340,19 @@ static void ceph_monc_handle_map(struct ceph_mon_client *monc, client->monc.monmap = monmap; kfree(old); + if (!client->have_fsid) { + client->have_fsid = true; + mutex_unlock(&monc->mutex); + /* + * do debugfs initialization without mutex to avoid + * creating a locking dependency + */ + ceph_debugfs_client_init(client); + goto out_unlocked; + } out: mutex_unlock(&monc->mutex); +out_unlocked: wake_up_all(&client->auth_wq); } diff --git a/net/core/dev.c b/net/core/dev.c index 115dee1d985d40..6ca32f6b3105da 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3500,14 +3500,20 @@ static inline gro_result_t __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb) { struct sk_buff *p; + unsigned int maclen = skb->dev->hard_header_len; for (p = napi->gro_list; p; p = p->next) { unsigned long diffs; diffs = (unsigned long)p->dev ^ (unsigned long)skb->dev; diffs |= p->vlan_tci ^ skb->vlan_tci; - diffs |= compare_ether_header(skb_mac_header(p), - skb_gro_mac_header(skb)); + if (maclen == ETH_HLEN) + diffs |= compare_ether_header(skb_mac_header(p), + skb_gro_mac_header(skb)); + else if (!diffs) + diffs = memcmp(skb_mac_header(p), + skb_gro_mac_header(skb), + maclen); NAPI_GRO_CB(p)->same_flow = !diffs; NAPI_GRO_CB(p)->flush = 0; } diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 369b418945276e..3f79db1b612a6f 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -1190,6 +1190,8 @@ static noinline_for_stack int ethtool_flash_device(struct net_device *dev, if (!dev->ethtool_ops->flash_device) return -EOPNOTSUPP; + efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0; + return dev->ethtool_ops->flash_device(dev, &efl); } diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 556b082986696d..ddefc513b44a6f 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -194,7 +194,7 @@ static void netpoll_poll_dev(struct net_device *dev) poll_napi(dev); - if (dev->priv_flags & IFF_SLAVE) { + if (dev->flags & IFF_SLAVE) { if (dev->npinfo) { struct net_device *bond_dev = dev->master; struct sk_buff *skb; diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index 3a9fd4826b75da..4dacc44637ef8b 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -58,11 +58,12 @@ static int get_prioidx(u32 *prio) spin_lock_irqsave(&prioidx_map_lock, flags); prioidx = find_first_zero_bit(prioidx_map, sizeof(unsigned long) * PRIOIDX_SZ); + if (prioidx == sizeof(unsigned long) * PRIOIDX_SZ) { + spin_unlock_irqrestore(&prioidx_map_lock, flags); + return -ENOSPC; + } set_bit(prioidx, prioidx_map); spin_unlock_irqrestore(&prioidx_map_lock, flags); - if (prioidx == sizeof(unsigned long) * PRIOIDX_SZ) - return -ENOSPC; - atomic_set(&max_prioidx, prioidx); *prio = prioidx; return 0; @@ -107,7 +108,7 @@ static void extend_netdev_table(struct net_device *dev, u32 new_len) static void update_netdev_tables(void) { struct net_device *dev; - u32 max_len = atomic_read(&max_prioidx); + u32 max_len = atomic_read(&max_prioidx) + 1; struct netprio_map *map; rtnl_lock(); @@ -270,7 +271,6 @@ static int netprio_device_event(struct notifier_block *unused, { struct net_device *dev = ptr; struct netprio_map *old; - u32 max_len = atomic_read(&max_prioidx); /* * Note this is called with rtnl_lock held so we have update side @@ -278,11 +278,6 @@ static int netprio_device_event(struct notifier_block *unused, */ switch (event) { - - case NETDEV_REGISTER: - if (max_len) - extend_netdev_table(dev, max_len); - break; case NETDEV_UNREGISTER: old = rtnl_dereference(dev->priomap); RCU_INIT_POINTER(dev->priomap, NULL); diff --git a/net/core/sock.c b/net/core/sock.c index 3e81fd2e3c75ca..02f8dfe320b771 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1171,13 +1171,10 @@ EXPORT_SYMBOL(sock_update_classid); void sock_update_netprioidx(struct sock *sk) { - struct cgroup_netprio_state *state; if (in_interrupt()) return; - rcu_read_lock(); - state = task_netprio_state(current); - sk->sk_cgrp_prioidx = state ? state->prioidx : 0; - rcu_read_unlock(); + + sk->sk_cgrp_prioidx = task_netprioidx(current); } EXPORT_SYMBOL_GPL(sock_update_netprioidx); #endif diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig index aa2a2c79776f89..d183262943d9fc 100644 --- a/net/ipv4/Kconfig +++ b/net/ipv4/Kconfig @@ -409,7 +409,7 @@ config INET_TCP_DIAG config INET_UDP_DIAG tristate "UDP: socket monitoring interface" - depends on INET_DIAG + depends on INET_DIAG && (IPV6 || IPV6=n) default n ---help--- Support for UDP socket monitoring interface used by the ss tool. diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index 59402be133f0b4..63e49890ad31df 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -863,7 +863,8 @@ static int arp_process(struct sk_buff *skb) if (addr_type == RTN_UNICAST && (arp_fwd_proxy(in_dev, dev, rt) || arp_fwd_pvlan(in_dev, dev, rt, sip, tip) || - pneigh_lookup(&arp_tbl, net, &tip, dev, 0))) { + (rt->dst.dev != dev && + pneigh_lookup(&arp_tbl, net, &tip, dev, 0)))) { n = neigh_event_ns(&arp_tbl, sha, &sip, dev); if (n) neigh_release(n); diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c index 1e60f7679075b6..42dd1a90edea09 100644 --- a/net/ipv4/ip_options.c +++ b/net/ipv4/ip_options.c @@ -573,8 +573,8 @@ void ip_forward_options(struct sk_buff *skb) } if (srrptr + 3 <= srrspace) { opt->is_changed = 1; - ip_rt_get_source(&optptr[srrptr-1], skb, rt); ip_hdr(skb)->daddr = opt->nexthop; + ip_rt_get_source(&optptr[srrptr-1], skb, rt); optptr[2] = srrptr+4; } else if (net_ratelimit()) printk(KERN_CRIT "ip_forward(): Argh! Destination lost!\n"); diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index 4cb9cd2f2c390f..7a7724da9bff61 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -778,7 +778,6 @@ EXPORT_SYMBOL_GPL(net_ipv4_ctl_path); static __net_init int ipv4_sysctl_init_net(struct net *net) { struct ctl_table *table; - unsigned long limit; table = ipv4_net_table; if (!net_eq(net, &init_net)) { @@ -815,11 +814,6 @@ static __net_init int ipv4_sysctl_init_net(struct net *net) net->ipv4.sysctl_rt_cache_rebuild_count = 4; tcp_init_mem(net); - limit = nr_free_buffer_pages() / 8; - limit = max(limit, 128UL); - net->ipv4.sysctl_tcp_mem[0] = limit / 4 * 3; - net->ipv4.sysctl_tcp_mem[1] = limit; - net->ipv4.sysctl_tcp_mem[2] = net->ipv4.sysctl_tcp_mem[0] * 2; net->ipv4.ipv4_hdr = register_net_sysctl_table(net, net_ipv4_ctl_path, table); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 06373b4a449a15..37755ccc0e96d8 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1876,6 +1876,20 @@ void tcp_shutdown(struct sock *sk, int how) } EXPORT_SYMBOL(tcp_shutdown); +bool tcp_check_oom(struct sock *sk, int shift) +{ + bool too_many_orphans, out_of_socket_memory; + + too_many_orphans = tcp_too_many_orphans(sk, shift); + out_of_socket_memory = tcp_out_of_memory(sk); + + if (too_many_orphans && net_ratelimit()) + pr_info("TCP: too many orphaned sockets\n"); + if (out_of_socket_memory && net_ratelimit()) + pr_info("TCP: out of memory -- consider tuning tcp_mem\n"); + return too_many_orphans || out_of_socket_memory; +} + void tcp_close(struct sock *sk, long timeout) { struct sk_buff *skb; @@ -2015,10 +2029,7 @@ adjudge_to_death: } if (sk->sk_state != TCP_CLOSE) { sk_mem_reclaim(sk); - if (tcp_too_many_orphans(sk, 0)) { - if (net_ratelimit()) - printk(KERN_INFO "TCP: too many of orphaned " - "sockets\n"); + if (tcp_check_oom(sk, 0)) { tcp_set_state(sk, TCP_CLOSE); tcp_send_active_reset(sk, GFP_ATOMIC); NET_INC_STATS_BH(sock_net(sk), @@ -3218,7 +3229,6 @@ __setup("thash_entries=", set_thash_entries); void tcp_init_mem(struct net *net) { - /* Set per-socket limits to no more than 1/128 the pressure threshold */ unsigned long limit = nr_free_buffer_pages() / 8; limit = max(limit, 128UL); net->ipv4.sysctl_tcp_mem[0] = limit / 4 * 3; @@ -3287,7 +3297,8 @@ void __init tcp_init(void) sysctl_max_syn_backlog = max(128, cnt / 256); tcp_init_mem(&init_net); - limit = nr_free_buffer_pages() / 8; + /* Set per-socket limits to no more than 1/128 the pressure threshold */ + limit = nr_free_buffer_pages() << (PAGE_SHIFT - 10); limit = max(limit, 128UL); max_share = min(4UL*1024*1024, limit); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 976034f823206f..53c8ce4046b207 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1307,25 +1307,26 @@ static int tcp_match_skb_to_sack(struct sock *sk, struct sk_buff *skb, return in_sack; } -static u8 tcp_sacktag_one(const struct sk_buff *skb, struct sock *sk, - struct tcp_sacktag_state *state, +/* Mark the given newly-SACKed range as such, adjusting counters and hints. */ +static u8 tcp_sacktag_one(struct sock *sk, + struct tcp_sacktag_state *state, u8 sacked, + u32 start_seq, u32 end_seq, int dup_sack, int pcount) { struct tcp_sock *tp = tcp_sk(sk); - u8 sacked = TCP_SKB_CB(skb)->sacked; int fack_count = state->fack_count; /* Account D-SACK for retransmitted packet. */ if (dup_sack && (sacked & TCPCB_RETRANS)) { if (tp->undo_marker && tp->undo_retrans && - after(TCP_SKB_CB(skb)->end_seq, tp->undo_marker)) + after(end_seq, tp->undo_marker)) tp->undo_retrans--; if (sacked & TCPCB_SACKED_ACKED) state->reord = min(fack_count, state->reord); } /* Nothing to do; acked frame is about to be dropped (was ACKed). */ - if (!after(TCP_SKB_CB(skb)->end_seq, tp->snd_una)) + if (!after(end_seq, tp->snd_una)) return sacked; if (!(sacked & TCPCB_SACKED_ACKED)) { @@ -1344,13 +1345,13 @@ static u8 tcp_sacktag_one(const struct sk_buff *skb, struct sock *sk, /* New sack for not retransmitted frame, * which was in hole. It is reordering. */ - if (before(TCP_SKB_CB(skb)->seq, + if (before(start_seq, tcp_highest_sack_seq(tp))) state->reord = min(fack_count, state->reord); /* SACK enhanced F-RTO (RFC4138; Appendix B) */ - if (!after(TCP_SKB_CB(skb)->end_seq, tp->frto_highmark)) + if (!after(end_seq, tp->frto_highmark)) state->flag |= FLAG_ONLY_ORIG_SACKED; } @@ -1368,8 +1369,7 @@ static u8 tcp_sacktag_one(const struct sk_buff *skb, struct sock *sk, /* Lost marker hint past SACKed? Tweak RFC3517 cnt */ if (!tcp_is_fack(tp) && (tp->lost_skb_hint != NULL) && - before(TCP_SKB_CB(skb)->seq, - TCP_SKB_CB(tp->lost_skb_hint)->seq)) + before(start_seq, TCP_SKB_CB(tp->lost_skb_hint)->seq)) tp->lost_cnt_hint += pcount; if (fack_count > tp->fackets_out) @@ -1388,6 +1388,9 @@ static u8 tcp_sacktag_one(const struct sk_buff *skb, struct sock *sk, return sacked; } +/* Shift newly-SACKed bytes from this skb to the immediately previous + * already-SACKed sk_buff. Mark the newly-SACKed bytes as such. + */ static int tcp_shifted_skb(struct sock *sk, struct sk_buff *skb, struct tcp_sacktag_state *state, unsigned int pcount, int shifted, int mss, @@ -1395,10 +1398,13 @@ static int tcp_shifted_skb(struct sock *sk, struct sk_buff *skb, { struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *prev = tcp_write_queue_prev(sk, skb); + u32 start_seq = TCP_SKB_CB(skb)->seq; /* start of newly-SACKed */ + u32 end_seq = start_seq + shifted; /* end of newly-SACKed */ BUG_ON(!pcount); - if (skb == tp->lost_skb_hint) + /* Adjust hint for FACK. Non-FACK is handled in tcp_sacktag_one(). */ + if (tcp_is_fack(tp) && (skb == tp->lost_skb_hint)) tp->lost_cnt_hint += pcount; TCP_SKB_CB(prev)->end_seq += shifted; @@ -1424,8 +1430,11 @@ static int tcp_shifted_skb(struct sock *sk, struct sk_buff *skb, skb_shinfo(skb)->gso_type = 0; } - /* We discard results */ - tcp_sacktag_one(skb, sk, state, dup_sack, pcount); + /* Adjust counters and hints for the newly sacked sequence range but + * discard the return value since prev is already marked. + */ + tcp_sacktag_one(sk, state, TCP_SKB_CB(skb)->sacked, + start_seq, end_seq, dup_sack, pcount); /* Difference in this won't matter, both ACKed by the same cumul. ACK */ TCP_SKB_CB(prev)->sacked |= (TCP_SKB_CB(skb)->sacked & TCPCB_EVER_RETRANS); @@ -1664,10 +1673,14 @@ static struct sk_buff *tcp_sacktag_walk(struct sk_buff *skb, struct sock *sk, break; if (in_sack) { - TCP_SKB_CB(skb)->sacked = tcp_sacktag_one(skb, sk, - state, - dup_sack, - tcp_skb_pcount(skb)); + TCP_SKB_CB(skb)->sacked = + tcp_sacktag_one(sk, + state, + TCP_SKB_CB(skb)->sacked, + TCP_SKB_CB(skb)->seq, + TCP_SKB_CB(skb)->end_seq, + dup_sack, + tcp_skb_pcount(skb)); if (!before(TCP_SKB_CB(skb)->seq, tcp_highest_sack_seq(tp))) diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 337ba4cca05214..94d683a61cba45 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -651,6 +651,11 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb) arg.iov[0].iov_len, IPPROTO_TCP, 0); arg.csumoffset = offsetof(struct tcphdr, check) / 2; arg.flags = (sk && inet_sk(sk)->transparent) ? IP_REPLY_ARG_NOSRCCHECK : 0; + /* When socket is gone, all binding information is lost. + * routing might fail in this case. using iif for oif to + * make sure we can deliver it + */ + arg.bound_dev_if = sk ? sk->sk_bound_dev_if : inet_iif(skb); net = dev_net(skb_dst(skb)->dev); arg.tos = ip_hdr(skb)->tos; diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index a516d1e399dfcb..cd2e0723266d12 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -77,10 +77,7 @@ static int tcp_out_of_resources(struct sock *sk, int do_reset) if (sk->sk_err_soft) shift++; - if (tcp_too_many_orphans(sk, shift)) { - if (net_ratelimit()) - printk(KERN_INFO "Out of socket memory\n"); - + if (tcp_check_oom(sk, shift)) { /* Catch exceptional cases, when connection requires reset. * 1. Last segment was sent recently. */ if ((s32)(tcp_time_stamp - tp->lsndtime) <= TCP_TIMEWAIT_LEN || diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c index 4cba13e46ffd7e..ae3a035f53908d 100644 --- a/net/rxrpc/ar-key.c +++ b/net/rxrpc/ar-key.c @@ -232,7 +232,7 @@ static int rxrpc_krb5_decode_principal(struct krb5_principal *princ, if (toklen <= (n_parts + 1) * 4) return -EINVAL; - princ->name_parts = kcalloc(sizeof(char *), n_parts, GFP_KERNEL); + princ->name_parts = kcalloc(n_parts, sizeof(char *), GFP_KERNEL); if (!princ->name_parts) return -ENOMEM; @@ -355,7 +355,7 @@ static int rxrpc_krb5_decode_tagged_array(struct krb5_tagged_data **_td, _debug("n_elem %d", n_elem); - td = kcalloc(sizeof(struct krb5_tagged_data), n_elem, + td = kcalloc(n_elem, sizeof(struct krb5_tagged_data), GFP_KERNEL); if (!td) return -ENOMEM; diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c index e465064d39a369..7e267d7b9c7573 100644 --- a/net/sched/sch_choke.c +++ b/net/sched/sch_choke.c @@ -148,8 +148,7 @@ struct choke_skb_cb { static inline struct choke_skb_cb *choke_skb_cb(const struct sk_buff *skb) { - BUILD_BUG_ON(sizeof(skb->cb) < - sizeof(struct qdisc_skb_cb) + sizeof(struct choke_skb_cb)); + qdisc_cb_private_validate(skb, sizeof(struct choke_skb_cb)); return (struct choke_skb_cb *)qdisc_skb_cb(skb)->data; } diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 2776012132ea2b..e83d61ca78cab7 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -130,8 +130,7 @@ struct netem_skb_cb { static inline struct netem_skb_cb *netem_skb_cb(struct sk_buff *skb) { - BUILD_BUG_ON(sizeof(skb->cb) < - sizeof(struct qdisc_skb_cb) + sizeof(struct netem_skb_cb)); + qdisc_cb_private_validate(skb, sizeof(struct netem_skb_cb)); return (struct netem_skb_cb *)qdisc_skb_cb(skb)->data; } diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c index 96e42cae4c7a45..d7eea99333e96a 100644 --- a/net/sched/sch_sfb.c +++ b/net/sched/sch_sfb.c @@ -94,8 +94,7 @@ struct sfb_skb_cb { static inline struct sfb_skb_cb *sfb_skb_cb(const struct sk_buff *skb) { - BUILD_BUG_ON(sizeof(skb->cb) < - sizeof(struct qdisc_skb_cb) + sizeof(struct sfb_skb_cb)); + qdisc_cb_private_validate(skb, sizeof(struct sfb_skb_cb)); return (struct sfb_skb_cb *)qdisc_skb_cb(skb)->data; } diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 67494aef9acf3c..60d47180f0432e 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -166,9 +166,8 @@ struct sfq_skb_cb { static inline struct sfq_skb_cb *sfq_skb_cb(const struct sk_buff *skb) { - BUILD_BUG_ON(sizeof(skb->cb) < - sizeof(struct qdisc_skb_cb) + sizeof(struct sfq_skb_cb)); - return (struct sfq_skb_cb *)qdisc_skb_cb(skb)->data; + qdisc_cb_private_validate(skb, sizeof(struct sfq_skb_cb)); + return (struct sfq_skb_cb *)qdisc_skb_cb(skb)->data; } static unsigned int sfq_hash(const struct sfq_sched_data *q, diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c index 1426ec3d0a531e..75762f346975ed 100644 --- a/net/sunrpc/auth_generic.c +++ b/net/sunrpc/auth_generic.c @@ -92,6 +92,7 @@ generic_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags) if (gcred->acred.group_info != NULL) get_group_info(gcred->acred.group_info); gcred->acred.machine_cred = acred->machine_cred; + gcred->acred.principal = acred->principal; dprintk("RPC: allocated %s cred %p for uid %d gid %d\n", gcred->acred.machine_cred ? "machine" : "generic", @@ -123,6 +124,17 @@ generic_destroy_cred(struct rpc_cred *cred) call_rcu(&cred->cr_rcu, generic_free_cred_callback); } +static int +machine_cred_match(struct auth_cred *acred, struct generic_cred *gcred, int flags) +{ + if (!gcred->acred.machine_cred || + gcred->acred.principal != acred->principal || + gcred->acred.uid != acred->uid || + gcred->acred.gid != acred->gid) + return 0; + return 1; +} + /* * Match credentials against current process creds. */ @@ -132,9 +144,12 @@ generic_match(struct auth_cred *acred, struct rpc_cred *cred, int flags) struct generic_cred *gcred = container_of(cred, struct generic_cred, gc_base); int i; + if (acred->machine_cred) + return machine_cred_match(acred, gcred, flags); + if (gcred->acred.uid != acred->uid || gcred->acred.gid != acred->gid || - gcred->acred.machine_cred != acred->machine_cred) + gcred->acred.machine_cred != 0) goto out_nomatch; /* Optimisation in the case where pointers are identical... */ diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index e3bfcbe8a520b6..a3b9782441f9e4 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1924,6 +1924,12 @@ sub process { my $pre_ctx = "$1$2"; my ($level, @ctx) = ctx_statement_level($linenr, $realcnt, 0); + + if ($line =~ /^\+\t{6,}/) { + WARN("DEEP_INDENTATION", + "Too many leading tabs - consider code refactoring\n" . $herecurr); + } + my $ctx_cnt = $realcnt - $#ctx - 1; my $ctx = join("\n", @ctx); diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index c0e14b3f2306f7..e8c9695777689e 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -823,16 +823,6 @@ static int do_spi_entry(const char *filename, struct spi_device_id *id, } ADD_TO_DEVTABLE("spi", struct spi_device_id, do_spi_entry); -/* Looks like: mcp:S */ -static int do_mcp_entry(const char *filename, struct mcp_device_id *id, - char *alias) -{ - sprintf(alias, MCP_MODULE_PREFIX "%s", id->name); - - return 1; -} -ADD_TO_DEVTABLE("mcp", struct mcp_device_id, do_mcp_entry); - static const struct dmifield { const char *prefix; int field; diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index dac3633507c963..a68aed7fce0205 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -441,19 +441,22 @@ snd_compr_set_params(struct snd_compr_stream *stream, unsigned long arg) params = kmalloc(sizeof(*params), GFP_KERNEL); if (!params) return -ENOMEM; - if (copy_from_user(params, (void __user *)arg, sizeof(*params))) - return -EFAULT; + if (copy_from_user(params, (void __user *)arg, sizeof(*params))) { + retval = -EFAULT; + goto out; + } retval = snd_compr_allocate_buffer(stream, params); if (retval) { - kfree(params); - return -ENOMEM; + retval = -ENOMEM; + goto out; } retval = stream->ops->set_params(stream, params); if (retval) goto out; stream->runtime->state = SNDRV_PCM_STATE_SETUP; - } else + } else { return -EPERM; + } out: kfree(params); return retval; diff --git a/sound/isa/sb/emu8000_patch.c b/sound/isa/sb/emu8000_patch.c index e09f144177f502..c99c6078be3376 100644 --- a/sound/isa/sb/emu8000_patch.c +++ b/sound/isa/sb/emu8000_patch.c @@ -22,7 +22,6 @@ #include "emu8000_local.h" #include <asm/uaccess.h> #include <linux/moduleparam.h> -#include <linux/moduleparam.h> static int emu8000_reset_addr; module_param(emu8000_reset_addr, int, 0444); diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 4df72c0e8c37c9..c2c65f63bf068a 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -1447,7 +1447,7 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, for (i = 0; i < c->cvt_setups.used; i++) { p = snd_array_elem(&c->cvt_setups, i); if (!p->active && p->stream_tag == stream_tag && - get_wcaps_type(get_wcaps(codec, p->nid)) == type) + get_wcaps_type(get_wcaps(c, p->nid)) == type) p->dirty = 1; } } diff --git a/sound/pci/hda/hda_jack.c b/sound/pci/hda/hda_jack.c index d8a35da0803ff8..9d819c4b4923d1 100644 --- a/sound/pci/hda/hda_jack.c +++ b/sound/pci/hda/hda_jack.c @@ -282,7 +282,8 @@ int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid, EXPORT_SYMBOL_HDA(snd_hda_jack_add_kctl); static int add_jack_kctl(struct hda_codec *codec, hda_nid_t nid, - const struct auto_pin_cfg *cfg) + const struct auto_pin_cfg *cfg, + char *lastname, int *lastidx) { unsigned int def_conf, conn; char name[44]; @@ -298,6 +299,10 @@ static int add_jack_kctl(struct hda_codec *codec, hda_nid_t nid, return 0; snd_hda_get_pin_label(codec, nid, cfg, name, sizeof(name), &idx); + if (!strcmp(name, lastname) && idx == *lastidx) + idx++; + strncpy(lastname, name, 44); + *lastidx = idx; err = snd_hda_jack_add_kctl(codec, nid, name, idx); if (err < 0) return err; @@ -311,41 +316,42 @@ int snd_hda_jack_add_kctls(struct hda_codec *codec, const struct auto_pin_cfg *cfg) { const hda_nid_t *p; - int i, err; + int i, err, lastidx = 0; + char lastname[44] = ""; for (i = 0, p = cfg->line_out_pins; i < cfg->line_outs; i++, p++) { - err = add_jack_kctl(codec, *p, cfg); + err = add_jack_kctl(codec, *p, cfg, lastname, &lastidx); if (err < 0) return err; } for (i = 0, p = cfg->hp_pins; i < cfg->hp_outs; i++, p++) { if (*p == *cfg->line_out_pins) /* might be duplicated */ break; - err = add_jack_kctl(codec, *p, cfg); + err = add_jack_kctl(codec, *p, cfg, lastname, &lastidx); if (err < 0) return err; } for (i = 0, p = cfg->speaker_pins; i < cfg->speaker_outs; i++, p++) { if (*p == *cfg->line_out_pins) /* might be duplicated */ break; - err = add_jack_kctl(codec, *p, cfg); + err = add_jack_kctl(codec, *p, cfg, lastname, &lastidx); if (err < 0) return err; } for (i = 0; i < cfg->num_inputs; i++) { - err = add_jack_kctl(codec, cfg->inputs[i].pin, cfg); + err = add_jack_kctl(codec, cfg->inputs[i].pin, cfg, lastname, &lastidx); if (err < 0) return err; } for (i = 0, p = cfg->dig_out_pins; i < cfg->dig_outs; i++, p++) { - err = add_jack_kctl(codec, *p, cfg); + err = add_jack_kctl(codec, *p, cfg, lastname, &lastidx); if (err < 0) return err; } - err = add_jack_kctl(codec, cfg->dig_in_pin, cfg); + err = add_jack_kctl(codec, cfg->dig_in_pin, cfg, lastname, &lastidx); if (err < 0) return err; - err = add_jack_kctl(codec, cfg->mono_out_pin, cfg); + err = add_jack_kctl(codec, cfg->mono_out_pin, cfg, lastname, &lastidx); if (err < 0) return err; return 0; diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c index 35abe3c6290884..21d91d580da8b9 100644 --- a/sound/pci/hda/patch_ca0132.c +++ b/sound/pci/hda/patch_ca0132.c @@ -728,18 +728,19 @@ static int ca0132_hp_switch_put(struct snd_kcontrol *kcontrol, err = chipio_read(codec, REG_CODEC_MUTE, &data); if (err < 0) - return err; + goto exit; /* *valp 0 is mute, 1 is unmute */ data = (data & 0x7f) | (*valp ? 0 : 0x80); - chipio_write(codec, REG_CODEC_MUTE, data); + err = chipio_write(codec, REG_CODEC_MUTE, data); if (err < 0) - return err; + goto exit; spec->curr_hp_switch = *valp; + exit: snd_hda_power_down(codec); - return 1; + return err < 0 ? err : 1; } static int ca0132_speaker_switch_get(struct snd_kcontrol *kcontrol, @@ -770,18 +771,19 @@ static int ca0132_speaker_switch_put(struct snd_kcontrol *kcontrol, err = chipio_read(codec, REG_CODEC_MUTE, &data); if (err < 0) - return err; + goto exit; /* *valp 0 is mute, 1 is unmute */ data = (data & 0xef) | (*valp ? 0 : 0x10); - chipio_write(codec, REG_CODEC_MUTE, data); + err = chipio_write(codec, REG_CODEC_MUTE, data); if (err < 0) - return err; + goto exit; spec->curr_speaker_switch = *valp; + exit: snd_hda_power_down(codec); - return 1; + return err < 0 ? err : 1; } static int ca0132_hp_volume_get(struct snd_kcontrol *kcontrol, @@ -819,25 +821,26 @@ static int ca0132_hp_volume_put(struct snd_kcontrol *kcontrol, err = chipio_read(codec, REG_CODEC_HP_VOL_L, &data); if (err < 0) - return err; + goto exit; val = 31 - left_vol; data = (data & 0xe0) | val; - chipio_write(codec, REG_CODEC_HP_VOL_L, data); + err = chipio_write(codec, REG_CODEC_HP_VOL_L, data); if (err < 0) - return err; + goto exit; val = 31 - right_vol; data = (data & 0xe0) | val; - chipio_write(codec, REG_CODEC_HP_VOL_R, data); + err = chipio_write(codec, REG_CODEC_HP_VOL_R, data); if (err < 0) - return err; + goto exit; spec->curr_hp_volume[0] = left_vol; spec->curr_hp_volume[1] = right_vol; + exit: snd_hda_power_down(codec); - return 1; + return err < 0 ? err : 1; } static int add_hp_switch(struct hda_codec *codec, hda_nid_t nid) @@ -936,6 +939,8 @@ static int ca0132_build_controls(struct hda_codec *codec) if (err < 0) return err; err = add_in_volume(codec, spec->dig_in, "IEC958"); + if (err < 0) + return err; } return 0; } diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index 0e99357e822c20..bc5a993d114618 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -988,8 +988,10 @@ static void cs_automic(struct hda_codec *codec) change_cur_input(codec, !spec->automic_idx, 0); } else { if (present) { - spec->last_input = spec->cur_input; - spec->cur_input = spec->automic_idx; + if (spec->cur_input != spec->automic_idx) { + spec->last_input = spec->cur_input; + spec->cur_input = spec->automic_idx; + } } else { spec->cur_input = spec->last_input; } diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index c95c8bde12d097..9350f3c3bdf894 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -177,6 +177,7 @@ struct alc_spec { unsigned int detect_lo:1; /* Line-out detection enabled */ unsigned int automute_speaker_possible:1; /* there are speakers and either LO or HP */ unsigned int automute_lo_possible:1; /* there are line outs and HP */ + unsigned int keep_vref_in_automute:1; /* Don't clear VREF in automute */ /* other flags */ unsigned int no_analog :1; /* digital I/O only */ @@ -495,13 +496,24 @@ static void do_automute(struct hda_codec *codec, int num_pins, hda_nid_t *pins, for (i = 0; i < num_pins; i++) { hda_nid_t nid = pins[i]; + unsigned int val; if (!nid) break; switch (spec->automute_mode) { case ALC_AUTOMUTE_PIN: + /* don't reset VREF value in case it's controlling + * the amp (see alc861_fixup_asus_amp_vref_0f()) + */ + if (spec->keep_vref_in_automute) { + val = snd_hda_codec_read(codec, nid, 0, + AC_VERB_GET_PIN_WIDGET_CONTROL, 0); + val &= ~PIN_HP; + } else + val = 0; + val |= pin_bits; snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, - pin_bits); + val); break; case ALC_AUTOMUTE_AMP: snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0, @@ -1843,6 +1855,8 @@ static const char * const alc_slave_vols[] = { "Speaker Playback Volume", "Mono Playback Volume", "Line-Out Playback Volume", + "CLFE Playback Volume", + "Bass Speaker Playback Volume", "PCM Playback Volume", NULL, }; @@ -1858,6 +1872,8 @@ static const char * const alc_slave_sws[] = { "Mono Playback Switch", "IEC958 Playback Switch", "Line-Out Playback Switch", + "CLFE Playback Switch", + "Bass Speaker Playback Switch", "PCM Playback Switch", NULL, }; @@ -2306,7 +2322,7 @@ static int alc_build_pcms(struct hda_codec *codec) "%s Analog", codec->chip_name); info->name = spec->stream_name_analog; - if (spec->multiout.dac_nids > 0) { + if (spec->multiout.num_dacs > 0) { p = spec->stream_analog_playback; if (!p) p = &alc_pcm_analog_playback; @@ -4735,7 +4751,6 @@ enum { ALC262_FIXUP_FSC_H270, ALC262_FIXUP_HP_Z200, ALC262_FIXUP_TYAN, - ALC262_FIXUP_TOSHIBA_RX1, ALC262_FIXUP_LENOVO_3000, ALC262_FIXUP_BENQ, ALC262_FIXUP_BENQ_T31, @@ -4765,16 +4780,6 @@ static const struct alc_fixup alc262_fixups[] = { { } } }, - [ALC262_FIXUP_TOSHIBA_RX1] = { - .type = ALC_FIXUP_PINS, - .v.pins = (const struct alc_pincfg[]) { - { 0x14, 0x90170110 }, /* speaker */ - { 0x15, 0x0421101f }, /* HP */ - { 0x1a, 0x40f000f0 }, /* N/A */ - { 0x1b, 0x40f000f0 }, /* N/A */ - { 0x1e, 0x40f000f0 }, /* N/A */ - } - }, [ALC262_FIXUP_LENOVO_3000] = { .type = ALC_FIXUP_VERBS, .v.verbs = (const struct hda_verb[]) { @@ -4807,8 +4812,6 @@ static const struct snd_pci_quirk alc262_fixup_tbl[] = { SND_PCI_QUIRK(0x10cf, 0x1397, "Fujitsu", ALC262_FIXUP_BENQ), SND_PCI_QUIRK(0x10cf, 0x142d, "Fujitsu Lifebook E8410", ALC262_FIXUP_BENQ), SND_PCI_QUIRK(0x10f1, 0x2915, "Tyan Thunder n6650W", ALC262_FIXUP_TYAN), - SND_PCI_QUIRK(0x1179, 0x0001, "Toshiba dynabook SS RX1", - ALC262_FIXUP_TOSHIBA_RX1), SND_PCI_QUIRK(0x1734, 0x1147, "FSC Celsius H270", ALC262_FIXUP_FSC_H270), SND_PCI_QUIRK(0x17aa, 0x384e, "Lenovo 3000", ALC262_FIXUP_LENOVO_3000), SND_PCI_QUIRK(0x17ff, 0x0560, "Benq ED8", ALC262_FIXUP_BENQ), @@ -5377,7 +5380,6 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1043, 0x8330, "ASUS Eeepc P703 P900A", ALC269_FIXUP_AMIC), SND_PCI_QUIRK(0x1043, 0x1013, "ASUS N61Da", ALC269_FIXUP_AMIC), - SND_PCI_QUIRK(0x1043, 0x1113, "ASUS N63Jn", ALC269_FIXUP_AMIC), SND_PCI_QUIRK(0x1043, 0x1143, "ASUS B53f", ALC269_FIXUP_AMIC), SND_PCI_QUIRK(0x1043, 0x1133, "ASUS UJ20ft", ALC269_FIXUP_AMIC), SND_PCI_QUIRK(0x1043, 0x1183, "ASUS K72DR", ALC269_FIXUP_AMIC), @@ -5586,8 +5588,28 @@ static const struct hda_amp_list alc861_loopbacks[] = { /* Pin config fixes */ enum { PINFIX_FSC_AMILO_PI1505, + PINFIX_ASUS_A6RP, }; +/* On some laptops, VREF of pin 0x0f is abused for controlling the main amp */ +static void alc861_fixup_asus_amp_vref_0f(struct hda_codec *codec, + const struct alc_fixup *fix, int action) +{ + struct alc_spec *spec = codec->spec; + unsigned int val; + + if (action != ALC_FIXUP_ACT_INIT) + return; + val = snd_hda_codec_read(codec, 0x0f, 0, + AC_VERB_GET_PIN_WIDGET_CONTROL, 0); + if (!(val & (AC_PINCTL_IN_EN | AC_PINCTL_OUT_EN))) + val |= AC_PINCTL_IN_EN; + val |= AC_PINCTL_VREF_50; + snd_hda_codec_write(codec, 0x0f, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, val); + spec->keep_vref_in_automute = 1; +} + static const struct alc_fixup alc861_fixups[] = { [PINFIX_FSC_AMILO_PI1505] = { .type = ALC_FIXUP_PINS, @@ -5597,9 +5619,16 @@ static const struct alc_fixup alc861_fixups[] = { { } } }, + [PINFIX_ASUS_A6RP] = { + .type = ALC_FIXUP_FUNC, + .v.func = alc861_fixup_asus_amp_vref_0f, + }, }; static const struct snd_pci_quirk alc861_fixup_tbl[] = { + SND_PCI_QUIRK_VENDOR(0x1043, "ASUS laptop", PINFIX_ASUS_A6RP), + SND_PCI_QUIRK(0x1584, 0x0000, "Uniwill ECS M31EI", PINFIX_ASUS_A6RP), + SND_PCI_QUIRK(0x1584, 0x2b01, "Haier W18", PINFIX_ASUS_A6RP), SND_PCI_QUIRK(0x1734, 0x10c7, "FSC Amilo Pi1505", PINFIX_FSC_AMILO_PI1505), {} }; diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 336cfcd324f966..948f0be2f4f318 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -4870,7 +4870,14 @@ static int find_mute_led_cfg(struct hda_codec *codec, int default_polarity) /* BIOS bug: unfilled OEM string */ if (strstr(dev->name, "HP_Mute_LED_P_G")) { set_hp_led_gpio(codec); - spec->gpio_led_polarity = 1; + switch (codec->subsystem_id) { + case 0x103c148a: + spec->gpio_led_polarity = 0; + break; + default: + spec->gpio_led_polarity = 1; + break; + } return 1; } } diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index 03e63fed9caf7d..284e311040fe39 100644 --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -199,6 +199,9 @@ struct via_spec { unsigned int no_pin_power_ctl; enum VIA_HDA_CODEC codec_type; + /* analog low-power control */ + bool alc_mode; + /* smart51 setup */ unsigned int smart51_nums; hda_nid_t smart51_pins[2]; @@ -687,6 +690,15 @@ static void via_auto_init_analog_input(struct hda_codec *codec) } } +static void update_power_state(struct hda_codec *codec, hda_nid_t nid, + unsigned int parm) +{ + if (snd_hda_codec_read(codec, nid, 0, + AC_VERB_GET_POWER_STATE, 0) == parm) + return; + snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, parm); +} + static void set_pin_power_state(struct hda_codec *codec, hda_nid_t nid, unsigned int *affected_parm) { @@ -709,7 +721,7 @@ static void set_pin_power_state(struct hda_codec *codec, hda_nid_t nid, } else parm = AC_PWRST_D3; - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, nid, parm); } static int via_pin_power_ctl_info(struct snd_kcontrol *kcontrol, @@ -749,6 +761,7 @@ static int via_pin_power_ctl_put(struct snd_kcontrol *kcontrol, return 0; spec->no_pin_power_ctl = val; set_widgets_power_state(codec); + analog_low_current_mode(codec); return 1; } @@ -1036,13 +1049,19 @@ static bool is_aa_path_mute(struct hda_codec *codec) } /* enter/exit analog low-current mode */ -static void analog_low_current_mode(struct hda_codec *codec) +static void __analog_low_current_mode(struct hda_codec *codec, bool force) { struct via_spec *spec = codec->spec; bool enable; unsigned int verb, parm; - enable = is_aa_path_mute(codec) && (spec->opened_streams != 0); + if (spec->no_pin_power_ctl) + enable = false; + else + enable = is_aa_path_mute(codec) && !spec->opened_streams; + if (enable == spec->alc_mode && !force) + return; + spec->alc_mode = enable; /* decide low current mode's verb & parameter */ switch (spec->codec_type) { @@ -1074,6 +1093,11 @@ static void analog_low_current_mode(struct hda_codec *codec) snd_hda_codec_write(codec, codec->afg, 0, verb, parm); } +static void analog_low_current_mode(struct hda_codec *codec) +{ + return __analog_low_current_mode(codec, false); +} + /* * generic initialization of ADC, input mixers and output mixers */ @@ -1446,6 +1470,7 @@ static int via_build_controls(struct hda_codec *codec) struct snd_kcontrol *kctl; int err, i; + spec->no_pin_power_ctl = 1; if (spec->set_widgets_power_state) if (!via_clone_control(spec, &via_pin_power_ctl_enum)) return -ENOMEM; @@ -1499,10 +1524,6 @@ static int via_build_controls(struct hda_codec *codec) return err; } - /* init power states */ - set_widgets_power_state(codec); - analog_low_current_mode(codec); - via_free_kctls(codec); /* no longer needed */ err = snd_hda_jack_add_kctls(codec, &spec->autocfg); @@ -2295,10 +2316,7 @@ static int via_mux_enum_put(struct snd_kcontrol *kcontrol, if (mux) { /* switch to D0 beofre change index */ - if (snd_hda_codec_read(codec, mux, 0, - AC_VERB_GET_POWER_STATE, 0x00) != AC_PWRST_D0) - snd_hda_codec_write(codec, mux, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D0); + update_power_state(codec, mux, AC_PWRST_D0); snd_hda_codec_write(codec, mux, 0, AC_VERB_SET_CONNECT_SEL, spec->inputs[cur].mux_idx); @@ -2776,6 +2794,10 @@ static int via_init(struct hda_codec *codec) for (i = 0; i < spec->num_iverbs; i++) snd_hda_sequence_write(codec, spec->init_verbs[i]); + /* init power states */ + set_widgets_power_state(codec); + __analog_low_current_mode(codec, true); + via_auto_init_multi_out(codec); via_auto_init_hp_out(codec); via_auto_init_speaker_out(codec); @@ -2922,9 +2944,9 @@ static void set_widgets_power_state_vt1708B(struct hda_codec *codec) if (imux_is_smixer) parm = AC_PWRST_D0; /* SW0 (17h), AIW 0/1 (13h/14h) */ - snd_hda_codec_write(codec, 0x17, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x13, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x14, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x17, parm); + update_power_state(codec, 0x13, parm); + update_power_state(codec, 0x14, parm); /* outputs */ /* PW0 (19h), SW1 (18h), AOW1 (11h) */ @@ -2932,8 +2954,8 @@ static void set_widgets_power_state_vt1708B(struct hda_codec *codec) set_pin_power_state(codec, 0x19, &parm); if (spec->smart51_enabled) set_pin_power_state(codec, 0x1b, &parm); - snd_hda_codec_write(codec, 0x18, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x18, parm); + update_power_state(codec, 0x11, parm); /* PW6 (22h), SW2 (26h), AOW2 (24h) */ if (is_8ch) { @@ -2941,20 +2963,16 @@ static void set_widgets_power_state_vt1708B(struct hda_codec *codec) set_pin_power_state(codec, 0x22, &parm); if (spec->smart51_enabled) set_pin_power_state(codec, 0x1a, &parm); - snd_hda_codec_write(codec, 0x26, 0, - AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x24, 0, - AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x26, parm); + update_power_state(codec, 0x24, parm); } else if (codec->vendor_id == 0x11064397) { /* PW7(23h), SW2(27h), AOW2(25h) */ parm = AC_PWRST_D3; set_pin_power_state(codec, 0x23, &parm); if (spec->smart51_enabled) set_pin_power_state(codec, 0x1a, &parm); - snd_hda_codec_write(codec, 0x27, 0, - AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x25, 0, - AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x27, parm); + update_power_state(codec, 0x25, parm); } /* PW 3/4/7 (1ch/1dh/23h) */ @@ -2966,17 +2984,13 @@ static void set_widgets_power_state_vt1708B(struct hda_codec *codec) set_pin_power_state(codec, 0x23, &parm); /* MW0 (16h), Sw3 (27h), AOW 0/3 (10h/25h) */ - snd_hda_codec_write(codec, 0x16, 0, AC_VERB_SET_POWER_STATE, - imux_is_smixer ? AC_PWRST_D0 : parm); - snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x16, imux_is_smixer ? AC_PWRST_D0 : parm); + update_power_state(codec, 0x10, parm); if (is_8ch) { - snd_hda_codec_write(codec, 0x25, 0, - AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x27, 0, - AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x25, parm); + update_power_state(codec, 0x27, parm); } else if (codec->vendor_id == 0x11064397 && spec->hp_independent_mode) - snd_hda_codec_write(codec, 0x25, 0, - AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x25, parm); } static int patch_vt1708S(struct hda_codec *codec); @@ -3149,10 +3163,10 @@ static void set_widgets_power_state_vt1702(struct hda_codec *codec) if (imux_is_smixer) parm = AC_PWRST_D0; /* SW0 (13h) = stereo mixer (idx 3) */ /* SW0 (13h), AIW 0/1/2 (12h/1fh/20h) */ - snd_hda_codec_write(codec, 0x13, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x12, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x1f, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x20, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x13, parm); + update_power_state(codec, 0x12, parm); + update_power_state(codec, 0x1f, parm); + update_power_state(codec, 0x20, parm); /* outputs */ /* PW 3/4 (16h/17h) */ @@ -3160,10 +3174,9 @@ static void set_widgets_power_state_vt1702(struct hda_codec *codec) set_pin_power_state(codec, 0x17, &parm); set_pin_power_state(codec, 0x16, &parm); /* MW0 (1ah), AOW 0/1 (10h/1dh) */ - snd_hda_codec_write(codec, 0x1a, 0, AC_VERB_SET_POWER_STATE, - imux_is_smixer ? AC_PWRST_D0 : parm); - snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x1d, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x1a, imux_is_smixer ? AC_PWRST_D0 : parm); + update_power_state(codec, 0x10, parm); + update_power_state(codec, 0x1d, parm); } static int patch_vt1702(struct hda_codec *codec) @@ -3228,52 +3241,48 @@ static void set_widgets_power_state_vt1718S(struct hda_codec *codec) if (imux_is_smixer) parm = AC_PWRST_D0; /* MUX6/7 (1eh/1fh), AIW 0/1 (10h/11h) */ - snd_hda_codec_write(codec, 0x1e, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x1f, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x1e, parm); + update_power_state(codec, 0x1f, parm); + update_power_state(codec, 0x10, parm); + update_power_state(codec, 0x11, parm); /* outputs */ /* PW3 (27h), MW2 (1ah), AOW3 (bh) */ parm = AC_PWRST_D3; set_pin_power_state(codec, 0x27, &parm); - snd_hda_codec_write(codec, 0x1a, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0xb, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x1a, parm); + update_power_state(codec, 0xb, parm); /* PW2 (26h), AOW2 (ah) */ parm = AC_PWRST_D3; set_pin_power_state(codec, 0x26, &parm); if (spec->smart51_enabled) set_pin_power_state(codec, 0x2b, &parm); - snd_hda_codec_write(codec, 0xa, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0xa, parm); /* PW0 (24h), AOW0 (8h) */ parm = AC_PWRST_D3; set_pin_power_state(codec, 0x24, &parm); if (!spec->hp_independent_mode) /* check for redirected HP */ set_pin_power_state(codec, 0x28, &parm); - snd_hda_codec_write(codec, 0x8, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x8, parm); /* MW9 (21h), Mw2 (1ah), AOW0 (8h) */ - snd_hda_codec_write(codec, 0x21, 0, AC_VERB_SET_POWER_STATE, - imux_is_smixer ? AC_PWRST_D0 : parm); + update_power_state(codec, 0x21, imux_is_smixer ? AC_PWRST_D0 : parm); /* PW1 (25h), AOW1 (9h) */ parm = AC_PWRST_D3; set_pin_power_state(codec, 0x25, &parm); if (spec->smart51_enabled) set_pin_power_state(codec, 0x2a, &parm); - snd_hda_codec_write(codec, 0x9, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x9, parm); if (spec->hp_independent_mode) { /* PW4 (28h), MW3 (1bh), MUX1(34h), AOW4 (ch) */ parm = AC_PWRST_D3; set_pin_power_state(codec, 0x28, &parm); - snd_hda_codec_write(codec, 0x1b, 0, - AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x34, 0, - AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0xc, 0, - AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x1b, parm); + update_power_state(codec, 0x34, parm); + update_power_state(codec, 0xc, parm); } } @@ -3433,8 +3442,8 @@ static void set_widgets_power_state_vt1716S(struct hda_codec *codec) if (imux_is_smixer) parm = AC_PWRST_D0; /* SW0 (17h), AIW0(13h) */ - snd_hda_codec_write(codec, 0x17, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x13, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x17, parm); + update_power_state(codec, 0x13, parm); parm = AC_PWRST_D3; set_pin_power_state(codec, 0x1e, &parm); @@ -3442,12 +3451,11 @@ static void set_widgets_power_state_vt1716S(struct hda_codec *codec) if (spec->dmic_enabled) set_pin_power_state(codec, 0x22, &parm); else - snd_hda_codec_write(codec, 0x22, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D3); + update_power_state(codec, 0x22, AC_PWRST_D3); /* SW2(26h), AIW1(14h) */ - snd_hda_codec_write(codec, 0x26, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x14, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x26, parm); + update_power_state(codec, 0x14, parm); /* outputs */ /* PW0 (19h), SW1 (18h), AOW1 (11h) */ @@ -3456,8 +3464,8 @@ static void set_widgets_power_state_vt1716S(struct hda_codec *codec) /* Smart 5.1 PW2(1bh) */ if (spec->smart51_enabled) set_pin_power_state(codec, 0x1b, &parm); - snd_hda_codec_write(codec, 0x18, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x18, parm); + update_power_state(codec, 0x11, parm); /* PW7 (23h), SW3 (27h), AOW3 (25h) */ parm = AC_PWRST_D3; @@ -3465,12 +3473,12 @@ static void set_widgets_power_state_vt1716S(struct hda_codec *codec) /* Smart 5.1 PW1(1ah) */ if (spec->smart51_enabled) set_pin_power_state(codec, 0x1a, &parm); - snd_hda_codec_write(codec, 0x27, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x27, parm); /* Smart 5.1 PW5(1eh) */ if (spec->smart51_enabled) set_pin_power_state(codec, 0x1e, &parm); - snd_hda_codec_write(codec, 0x25, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x25, parm); /* Mono out */ /* SW4(28h)->MW1(29h)-> PW12 (2ah)*/ @@ -3486,9 +3494,9 @@ static void set_widgets_power_state_vt1716S(struct hda_codec *codec) mono_out = 1; } parm = mono_out ? AC_PWRST_D0 : AC_PWRST_D3; - snd_hda_codec_write(codec, 0x28, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x29, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x2a, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x28, parm); + update_power_state(codec, 0x29, parm); + update_power_state(codec, 0x2a, parm); /* PW 3/4 (1ch/1dh) */ parm = AC_PWRST_D3; @@ -3496,15 +3504,12 @@ static void set_widgets_power_state_vt1716S(struct hda_codec *codec) set_pin_power_state(codec, 0x1d, &parm); /* HP Independent Mode, power on AOW3 */ if (spec->hp_independent_mode) - snd_hda_codec_write(codec, 0x25, 0, - AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x25, parm); /* force to D0 for internal Speaker */ /* MW0 (16h), AOW0 (10h) */ - snd_hda_codec_write(codec, 0x16, 0, AC_VERB_SET_POWER_STATE, - imux_is_smixer ? AC_PWRST_D0 : parm); - snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE, - mono_out ? AC_PWRST_D0 : parm); + update_power_state(codec, 0x16, imux_is_smixer ? AC_PWRST_D0 : parm); + update_power_state(codec, 0x10, mono_out ? AC_PWRST_D0 : parm); } static int patch_vt1716S(struct hda_codec *codec) @@ -3580,54 +3585,45 @@ static void set_widgets_power_state_vt2002P(struct hda_codec *codec) set_pin_power_state(codec, 0x2b, &parm); parm = AC_PWRST_D0; /* MUX9/10 (1eh/1fh), AIW 0/1 (10h/11h) */ - snd_hda_codec_write(codec, 0x1e, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x1f, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x1e, parm); + update_power_state(codec, 0x1f, parm); + update_power_state(codec, 0x10, parm); + update_power_state(codec, 0x11, parm); /* outputs */ /* AOW0 (8h)*/ - snd_hda_codec_write(codec, 0x8, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x8, parm); if (spec->codec_type == VT1802) { /* PW4 (28h), MW4 (18h), MUX4(38h) */ parm = AC_PWRST_D3; set_pin_power_state(codec, 0x28, &parm); - snd_hda_codec_write(codec, 0x18, 0, - AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x38, 0, - AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x18, parm); + update_power_state(codec, 0x38, parm); } else { /* PW4 (26h), MW4 (1ch), MUX4(37h) */ parm = AC_PWRST_D3; set_pin_power_state(codec, 0x26, &parm); - snd_hda_codec_write(codec, 0x1c, 0, - AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x37, 0, - AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x1c, parm); + update_power_state(codec, 0x37, parm); } if (spec->codec_type == VT1802) { /* PW1 (25h), MW1 (15h), MUX1(35h), AOW1 (9h) */ parm = AC_PWRST_D3; set_pin_power_state(codec, 0x25, &parm); - snd_hda_codec_write(codec, 0x15, 0, - AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x35, 0, - AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x15, parm); + update_power_state(codec, 0x35, parm); } else { /* PW1 (25h), MW1 (19h), MUX1(35h), AOW1 (9h) */ parm = AC_PWRST_D3; set_pin_power_state(codec, 0x25, &parm); - snd_hda_codec_write(codec, 0x19, 0, - AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x35, 0, - AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x19, parm); + update_power_state(codec, 0x35, parm); } if (spec->hp_independent_mode) - snd_hda_codec_write(codec, 0x9, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D0); + update_power_state(codec, 0x9, AC_PWRST_D0); /* Class-D */ /* PW0 (24h), MW0(18h/14h), MUX0(34h) */ @@ -3637,12 +3633,10 @@ static void set_widgets_power_state_vt2002P(struct hda_codec *codec) set_pin_power_state(codec, 0x24, &parm); parm = present ? AC_PWRST_D3 : AC_PWRST_D0; if (spec->codec_type == VT1802) - snd_hda_codec_write(codec, 0x14, 0, - AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x14, parm); else - snd_hda_codec_write(codec, 0x18, 0, - AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x34, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x18, parm); + update_power_state(codec, 0x34, parm); /* Mono Out */ present = snd_hda_jack_detect(codec, 0x26); @@ -3650,28 +3644,20 @@ static void set_widgets_power_state_vt2002P(struct hda_codec *codec) parm = present ? AC_PWRST_D3 : AC_PWRST_D0; if (spec->codec_type == VT1802) { /* PW15 (33h), MW8(1ch), MUX8(3ch) */ - snd_hda_codec_write(codec, 0x33, 0, - AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x1c, 0, - AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x3c, 0, - AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x33, parm); + update_power_state(codec, 0x1c, parm); + update_power_state(codec, 0x3c, parm); } else { /* PW15 (31h), MW8(17h), MUX8(3bh) */ - snd_hda_codec_write(codec, 0x31, 0, - AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x17, 0, - AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x3b, 0, - AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x31, parm); + update_power_state(codec, 0x17, parm); + update_power_state(codec, 0x3b, parm); } /* MW9 (21h) */ if (imux_is_smixer || !is_aa_path_mute(codec)) - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D0); + update_power_state(codec, 0x21, AC_PWRST_D0); else - snd_hda_codec_write(codec, 0x21, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D3); + update_power_state(codec, 0x21, AC_PWRST_D3); } /* patch for vt2002P */ @@ -3731,30 +3717,28 @@ static void set_widgets_power_state_vt1812(struct hda_codec *codec) set_pin_power_state(codec, 0x2b, &parm); parm = AC_PWRST_D0; /* MUX10/11 (1eh/1fh), AIW 0/1 (10h/11h) */ - snd_hda_codec_write(codec, 0x1e, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x1f, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x1e, parm); + update_power_state(codec, 0x1f, parm); + update_power_state(codec, 0x10, parm); + update_power_state(codec, 0x11, parm); /* outputs */ /* AOW0 (8h)*/ - snd_hda_codec_write(codec, 0x8, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D0); + update_power_state(codec, 0x8, AC_PWRST_D0); /* PW4 (28h), MW4 (18h), MUX4(38h) */ parm = AC_PWRST_D3; set_pin_power_state(codec, 0x28, &parm); - snd_hda_codec_write(codec, 0x18, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x38, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x18, parm); + update_power_state(codec, 0x38, parm); /* PW1 (25h), MW1 (15h), MUX1(35h), AOW1 (9h) */ parm = AC_PWRST_D3; set_pin_power_state(codec, 0x25, &parm); - snd_hda_codec_write(codec, 0x15, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x35, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x15, parm); + update_power_state(codec, 0x35, parm); if (spec->hp_independent_mode) - snd_hda_codec_write(codec, 0x9, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D0); + update_power_state(codec, 0x9, AC_PWRST_D0); /* Internal Speaker */ /* PW0 (24h), MW0(14h), MUX0(34h) */ @@ -3763,15 +3747,11 @@ static void set_widgets_power_state_vt1812(struct hda_codec *codec) parm = AC_PWRST_D3; set_pin_power_state(codec, 0x24, &parm); if (present) { - snd_hda_codec_write(codec, 0x14, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D3); - snd_hda_codec_write(codec, 0x34, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D3); + update_power_state(codec, 0x14, AC_PWRST_D3); + update_power_state(codec, 0x34, AC_PWRST_D3); } else { - snd_hda_codec_write(codec, 0x14, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D0); - snd_hda_codec_write(codec, 0x34, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D0); + update_power_state(codec, 0x14, AC_PWRST_D0); + update_power_state(codec, 0x34, AC_PWRST_D0); } @@ -3782,26 +3762,20 @@ static void set_widgets_power_state_vt1812(struct hda_codec *codec) parm = AC_PWRST_D3; set_pin_power_state(codec, 0x31, &parm); if (present) { - snd_hda_codec_write(codec, 0x1c, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D3); - snd_hda_codec_write(codec, 0x3c, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D3); - snd_hda_codec_write(codec, 0x3e, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D3); + update_power_state(codec, 0x1c, AC_PWRST_D3); + update_power_state(codec, 0x3c, AC_PWRST_D3); + update_power_state(codec, 0x3e, AC_PWRST_D3); } else { - snd_hda_codec_write(codec, 0x1c, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D0); - snd_hda_codec_write(codec, 0x3c, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D0); - snd_hda_codec_write(codec, 0x3e, 0, - AC_VERB_SET_POWER_STATE, AC_PWRST_D0); + update_power_state(codec, 0x1c, AC_PWRST_D0); + update_power_state(codec, 0x3c, AC_PWRST_D0); + update_power_state(codec, 0x3e, AC_PWRST_D0); } /* PW15 (33h), MW15 (1dh), MUX15(3dh) */ parm = AC_PWRST_D3; set_pin_power_state(codec, 0x33, &parm); - snd_hda_codec_write(codec, 0x1d, 0, AC_VERB_SET_POWER_STATE, parm); - snd_hda_codec_write(codec, 0x3d, 0, AC_VERB_SET_POWER_STATE, parm); + update_power_state(codec, 0x1d, parm); + update_power_state(codec, 0x3d, parm); } diff --git a/sound/pci/oxygen/oxygen_mixer.c b/sound/pci/oxygen/oxygen_mixer.c index 26c7e8bcb22936..c0dbb52d45be53 100644 --- a/sound/pci/oxygen/oxygen_mixer.c +++ b/sound/pci/oxygen/oxygen_mixer.c @@ -618,9 +618,12 @@ static int ac97_volume_get(struct snd_kcontrol *ctl, mutex_lock(&chip->mutex); reg = oxygen_read_ac97(chip, codec, index); mutex_unlock(&chip->mutex); - value->value.integer.value[0] = 31 - (reg & 0x1f); - if (stereo) - value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f); + if (!stereo) { + value->value.integer.value[0] = 31 - (reg & 0x1f); + } else { + value->value.integer.value[0] = 31 - ((reg >> 8) & 0x1f); + value->value.integer.value[1] = 31 - (reg & 0x1f); + } return 0; } @@ -636,14 +639,14 @@ static int ac97_volume_put(struct snd_kcontrol *ctl, mutex_lock(&chip->mutex); oldreg = oxygen_read_ac97(chip, codec, index); - newreg = oldreg; - newreg = (newreg & ~0x1f) | - (31 - (value->value.integer.value[0] & 0x1f)); - if (stereo) - newreg = (newreg & ~0x1f00) | - ((31 - (value->value.integer.value[1] & 0x1f)) << 8); - else - newreg = (newreg & ~0x1f00) | ((newreg & 0x1f) << 8); + if (!stereo) { + newreg = oldreg & ~0x1f; + newreg |= 31 - (value->value.integer.value[0] & 0x1f); + } else { + newreg = oldreg & ~0x1f1f; + newreg |= (31 - (value->value.integer.value[0] & 0x1f)) << 8; + newreg |= 31 - (value->value.integer.value[1] & 0x1f); + } change = newreg != oldreg; if (change) oxygen_write_ac97(chip, codec, index, newreg); diff --git a/sound/pci/ymfpci/ymfpci.c b/sound/pci/ymfpci/ymfpci.c index e57b89e8aa8926..94ab728f5ca8b5 100644 --- a/sound/pci/ymfpci/ymfpci.c +++ b/sound/pci/ymfpci/ymfpci.c @@ -286,17 +286,22 @@ static int __devinit snd_card_ymfpci_probe(struct pci_dev *pci, snd_card_free(card); return err; } - if ((err = snd_ymfpci_pcm_4ch(chip, 2, NULL)) < 0) { + err = snd_ymfpci_mixer(chip, rear_switch[dev]); + if (err < 0) { snd_card_free(card); return err; } - if ((err = snd_ymfpci_pcm2(chip, 3, NULL)) < 0) { - snd_card_free(card); - return err; - } - if ((err = snd_ymfpci_mixer(chip, rear_switch[dev])) < 0) { - snd_card_free(card); - return err; + if (chip->ac97->ext_id & AC97_EI_SDAC) { + err = snd_ymfpci_pcm_4ch(chip, 2, NULL); + if (err < 0) { + snd_card_free(card); + return err; + } + err = snd_ymfpci_pcm2(chip, 3, NULL); + if (err < 0) { + snd_card_free(card); + return err; + } } if ((err = snd_ymfpci_timer(chip, 0)) < 0) { snd_card_free(card); diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c index 03ee4e36531138..12a9a2b0338719 100644 --- a/sound/pci/ymfpci/ymfpci_main.c +++ b/sound/pci/ymfpci/ymfpci_main.c @@ -1614,6 +1614,14 @@ static int snd_ymfpci_put_dup4ch(struct snd_kcontrol *kcontrol, struct snd_ctl_e return change; } +static struct snd_kcontrol_new snd_ymfpci_dup4ch __devinitdata = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "4ch Duplication", + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .info = snd_ymfpci_info_dup4ch, + .get = snd_ymfpci_get_dup4ch, + .put = snd_ymfpci_put_dup4ch, +}; static struct snd_kcontrol_new snd_ymfpci_controls[] __devinitdata = { { @@ -1642,13 +1650,6 @@ YMFPCI_DOUBLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,VOLUME), 1, YDSXGR_SPDIFLOOPVOL), YMFPCI_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), 0, YDSXGR_SPDIFOUTCTRL, 0), YMFPCI_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, YDSXGR_SPDIFINCTRL, 0), YMFPCI_SINGLE(SNDRV_CTL_NAME_IEC958("Loop",NONE,NONE), 0, YDSXGR_SPDIFINCTRL, 4), -{ - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "4ch Duplication", - .info = snd_ymfpci_info_dup4ch, - .get = snd_ymfpci_get_dup4ch, - .put = snd_ymfpci_put_dup4ch, -}, }; @@ -1838,6 +1839,12 @@ int __devinit snd_ymfpci_mixer(struct snd_ymfpci *chip, int rear_switch) if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_ymfpci_controls[idx], chip))) < 0) return err; } + if (chip->ac97->ext_id & AC97_EI_SDAC) { + kctl = snd_ctl_new1(&snd_ymfpci_dup4ch, chip); + err = snd_ctl_add(chip->card, kctl); + if (err < 0) + return err; + } /* add S/PDIF control */ if (snd_BUG_ON(!chip->pcm_spdif)) diff --git a/sound/soc/codecs/cs42l73.c b/sound/soc/codecs/cs42l73.c index 9d38db8f1919d3..78979b3e0e95ad 100644 --- a/sound/soc/codecs/cs42l73.c +++ b/sound/soc/codecs/cs42l73.c @@ -1113,7 +1113,7 @@ static int cs42l73_pcm_hw_params(struct snd_pcm_substream *substream, priv->config[id].mmcc &= 0xC0; priv->config[id].mmcc |= cs42l73_mclk_coeffs[mclk_coeff].mmcc; priv->config[id].spc &= 0xFC; - priv->config[id].spc &= MCK_SCLK_64FS; + priv->config[id].spc |= MCK_SCLK_MCLK; } else { /* CS42L73 Slave */ priv->config[id].spc &= 0xFC; diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c index f8863ebb430462..7f4ba819a9f681 100644 --- a/sound/soc/codecs/sgtl5000.c +++ b/sound/soc/codecs/sgtl5000.c @@ -987,12 +987,12 @@ static int sgtl5000_restore_regs(struct snd_soc_codec *codec) /* restore regular registers */ for (reg = 0; reg <= SGTL5000_CHIP_SHORT_CTRL; reg += 2) { - /* this regs depends on the others */ + /* These regs should restore in particular order */ if (reg == SGTL5000_CHIP_ANA_POWER || reg == SGTL5000_CHIP_CLK_CTRL || reg == SGTL5000_CHIP_LINREG_CTRL || reg == SGTL5000_CHIP_LINE_OUT_CTRL || - reg == SGTL5000_CHIP_CLK_CTRL) + reg == SGTL5000_CHIP_REF_CTRL) continue; snd_soc_write(codec, reg, cache[reg]); @@ -1003,8 +1003,17 @@ static int sgtl5000_restore_regs(struct snd_soc_codec *codec) snd_soc_write(codec, reg, cache[reg]); /* - * restore power and other regs according - * to set_power() and set_clock() + * restore these regs according to the power setting sequence in + * sgtl5000_set_power_regs() and clock setting sequence in + * sgtl5000_set_clock(). + * + * The order of restore is: + * 1. SGTL5000_CHIP_CLK_CTRL MCLK_FREQ bits (1:0) should be restore after + * SGTL5000_CHIP_ANA_POWER PLL bits set + * 2. SGTL5000_CHIP_LINREG_CTRL should be set before + * SGTL5000_CHIP_ANA_POWER LINREG_D restored + * 3. SGTL5000_CHIP_REF_CTRL controls Analog Ground Voltage, + * prefer to resotre it after SGTL5000_CHIP_ANA_POWER restored */ snd_soc_write(codec, SGTL5000_CHIP_LINREG_CTRL, cache[SGTL5000_CHIP_LINREG_CTRL]); diff --git a/sound/soc/codecs/tlv320aic32x4.c b/sound/soc/codecs/tlv320aic32x4.c index eb401ef021fb71..372b0b83bd9f19 100644 --- a/sound/soc/codecs/tlv320aic32x4.c +++ b/sound/soc/codecs/tlv320aic32x4.c @@ -60,7 +60,6 @@ struct aic32x4_rate_divs { struct aic32x4_priv { u32 sysclk; - s32 master; u8 page_no; void *control_data; u32 power_cfg; @@ -369,7 +368,6 @@ static int aic32x4_set_dai_sysclk(struct snd_soc_dai *codec_dai, static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_codec *codec = codec_dai->codec; - struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec); u8 iface_reg_1; u8 iface_reg_2; u8 iface_reg_3; @@ -384,11 +382,9 @@ static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) /* set master/slave audio interface */ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBM_CFM: - aic32x4->master = 1; iface_reg_1 |= AIC32X4_BCLKMASTER | AIC32X4_WCLKMASTER; break; case SND_SOC_DAIFMT_CBS_CFS: - aic32x4->master = 0; break; default: printk(KERN_ERR "aic32x4: invalid DAI master/slave interface\n"); @@ -526,64 +522,58 @@ static int aic32x4_mute(struct snd_soc_dai *dai, int mute) static int aic32x4_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { - struct aic32x4_priv *aic32x4 = snd_soc_codec_get_drvdata(codec); - switch (level) { case SND_SOC_BIAS_ON: - if (aic32x4->master) { - /* Switch on PLL */ - snd_soc_update_bits(codec, AIC32X4_PLLPR, - AIC32X4_PLLEN, AIC32X4_PLLEN); - - /* Switch on NDAC Divider */ - snd_soc_update_bits(codec, AIC32X4_NDAC, - AIC32X4_NDACEN, AIC32X4_NDACEN); - - /* Switch on MDAC Divider */ - snd_soc_update_bits(codec, AIC32X4_MDAC, - AIC32X4_MDACEN, AIC32X4_MDACEN); - - /* Switch on NADC Divider */ - snd_soc_update_bits(codec, AIC32X4_NADC, - AIC32X4_NADCEN, AIC32X4_NADCEN); - - /* Switch on MADC Divider */ - snd_soc_update_bits(codec, AIC32X4_MADC, - AIC32X4_MADCEN, AIC32X4_MADCEN); - - /* Switch on BCLK_N Divider */ - snd_soc_update_bits(codec, AIC32X4_BCLKN, - AIC32X4_BCLKEN, AIC32X4_BCLKEN); - } + /* Switch on PLL */ + snd_soc_update_bits(codec, AIC32X4_PLLPR, + AIC32X4_PLLEN, AIC32X4_PLLEN); + + /* Switch on NDAC Divider */ + snd_soc_update_bits(codec, AIC32X4_NDAC, + AIC32X4_NDACEN, AIC32X4_NDACEN); + + /* Switch on MDAC Divider */ + snd_soc_update_bits(codec, AIC32X4_MDAC, + AIC32X4_MDACEN, AIC32X4_MDACEN); + + /* Switch on NADC Divider */ + snd_soc_update_bits(codec, AIC32X4_NADC, + AIC32X4_NADCEN, AIC32X4_NADCEN); + + /* Switch on MADC Divider */ + snd_soc_update_bits(codec, AIC32X4_MADC, + AIC32X4_MADCEN, AIC32X4_MADCEN); + + /* Switch on BCLK_N Divider */ + snd_soc_update_bits(codec, AIC32X4_BCLKN, + AIC32X4_BCLKEN, AIC32X4_BCLKEN); break; case SND_SOC_BIAS_PREPARE: break; case SND_SOC_BIAS_STANDBY: - if (aic32x4->master) { - /* Switch off PLL */ - snd_soc_update_bits(codec, AIC32X4_PLLPR, - AIC32X4_PLLEN, 0); - - /* Switch off NDAC Divider */ - snd_soc_update_bits(codec, AIC32X4_NDAC, - AIC32X4_NDACEN, 0); - - /* Switch off MDAC Divider */ - snd_soc_update_bits(codec, AIC32X4_MDAC, - AIC32X4_MDACEN, 0); - - /* Switch off NADC Divider */ - snd_soc_update_bits(codec, AIC32X4_NADC, - AIC32X4_NADCEN, 0); - - /* Switch off MADC Divider */ - snd_soc_update_bits(codec, AIC32X4_MADC, - AIC32X4_MADCEN, 0); - - /* Switch off BCLK_N Divider */ - snd_soc_update_bits(codec, AIC32X4_BCLKN, - AIC32X4_BCLKEN, 0); - } + /* Switch off PLL */ + snd_soc_update_bits(codec, AIC32X4_PLLPR, + AIC32X4_PLLEN, 0); + + /* Switch off NDAC Divider */ + snd_soc_update_bits(codec, AIC32X4_NDAC, + AIC32X4_NDACEN, 0); + + /* Switch off MDAC Divider */ + snd_soc_update_bits(codec, AIC32X4_MDAC, + AIC32X4_MDACEN, 0); + + /* Switch off NADC Divider */ + snd_soc_update_bits(codec, AIC32X4_NADC, + AIC32X4_NADCEN, 0); + + /* Switch off MADC Divider */ + snd_soc_update_bits(codec, AIC32X4_MADC, + AIC32X4_MADCEN, 0); + + /* Switch off BCLK_N Divider */ + snd_soc_update_bits(codec, AIC32X4_BCLKN, + AIC32X4_BCLKEN, 0); break; case SND_SOC_BIAS_OFF: break; @@ -651,9 +641,11 @@ static int aic32x4_probe(struct snd_soc_codec *codec) if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE) { snd_soc_write(codec, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE); } - if (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) { - snd_soc_write(codec, AIC32X4_LDOCTL, AIC32X4_LDOCTLEN); - } + + tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ? + AIC32X4_LDOCTLEN : 0; + snd_soc_write(codec, AIC32X4_LDOCTL, tmp_reg); + tmp_reg = snd_soc_read(codec, AIC32X4_CMMODE); if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36) { tmp_reg |= AIC32X4_LDOIN_18_36; diff --git a/sound/soc/codecs/wm2000.c b/sound/soc/codecs/wm2000.c index c2880907fcedc0..a75c3766aedeec 100644 --- a/sound/soc/codecs/wm2000.c +++ b/sound/soc/codecs/wm2000.c @@ -733,8 +733,9 @@ static int __devinit wm2000_i2c_probe(struct i2c_client *i2c, struct wm2000_priv *wm2000; struct wm2000_platform_data *pdata; const char *filename; - const struct firmware *fw; - int reg, ret; + const struct firmware *fw = NULL; + int ret; + int reg; u16 id; wm2000 = devm_kzalloc(&i2c->dev, sizeof(struct wm2000_priv), @@ -751,7 +752,7 @@ static int __devinit wm2000_i2c_probe(struct i2c_client *i2c, ret = PTR_ERR(wm2000->regmap); dev_err(&i2c->dev, "Failed to allocate register map: %d\n", ret); - goto err; + goto out; } /* Verify that this is a WM2000 */ @@ -763,7 +764,7 @@ static int __devinit wm2000_i2c_probe(struct i2c_client *i2c, if (id != 0x2000) { dev_err(&i2c->dev, "Device is not a WM2000 - ID %x\n", id); ret = -ENODEV; - goto err_regmap; + goto out_regmap_exit; } reg = wm2000_read(i2c, WM2000_REG_REVISON); @@ -782,7 +783,7 @@ static int __devinit wm2000_i2c_probe(struct i2c_client *i2c, ret = request_firmware(&fw, filename, &i2c->dev); if (ret != 0) { dev_err(&i2c->dev, "Failed to acquire ANC data: %d\n", ret); - goto err_regmap; + goto out_regmap_exit; } /* Pre-cook the concatenation of the register address onto the image */ @@ -793,15 +794,13 @@ static int __devinit wm2000_i2c_probe(struct i2c_client *i2c, if (wm2000->anc_download == NULL) { dev_err(&i2c->dev, "Out of memory\n"); ret = -ENOMEM; - goto err_fw; + goto out_regmap_exit; } wm2000->anc_download[0] = 0x80; wm2000->anc_download[1] = 0x00; memcpy(wm2000->anc_download + 2, fw->data, fw->size); - release_firmware(fw); - wm2000->anc_eng_ena = 1; wm2000->anc_active = 1; wm2000->spk_ena = 1; @@ -809,18 +808,14 @@ static int __devinit wm2000_i2c_probe(struct i2c_client *i2c, wm2000_reset(wm2000); - ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm2000, - NULL, 0); - if (ret != 0) - goto err_fw; + ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm2000, NULL, 0); + if (!ret) + goto out; - return 0; - -err_fw: - release_firmware(fw); -err_regmap: +out_regmap_exit: regmap_exit(wm2000->regmap); -err: +out: + release_firmware(fw); return ret; } diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c index 8b24323d6b2c89..89f2af77b1c398 100644 --- a/sound/soc/codecs/wm5100.c +++ b/sound/soc/codecs/wm5100.c @@ -1377,6 +1377,7 @@ static int wm5100_set_bias_level(struct snd_soc_codec *codec, switch (wm5100->rev) { case 0: + regcache_cache_bypass(wm5100->regmap, true); snd_soc_write(codec, 0x11, 0x3); snd_soc_write(codec, 0x203, 0xc); snd_soc_write(codec, 0x206, 0); @@ -1392,6 +1393,7 @@ static int wm5100_set_bias_level(struct snd_soc_codec *codec, snd_soc_write(codec, wm5100_reva_patches[i].reg, wm5100_reva_patches[i].val); + regcache_cache_bypass(wm5100->regmap, false); break; default: break; @@ -1402,6 +1404,8 @@ static int wm5100_set_bias_level(struct snd_soc_codec *codec, break; case SND_SOC_BIAS_OFF: + regcache_cache_only(wm5100->regmap, true); + regcache_mark_dirty(wm5100->regmap); if (wm5100->pdata.ldo_ena) gpio_set_value_cansleep(wm5100->pdata.ldo_ena, 0); regulator_bulk_disable(ARRAY_SIZE(wm5100->core_supplies), @@ -2180,6 +2184,7 @@ static void wm5100_micd_irq(struct snd_soc_codec *codec) if (wm5100->jack_detecting) { dev_dbg(codec->dev, "Microphone detected\n"); wm5100->jack_mic = true; + wm5100->jack_detecting = false; snd_soc_jack_report(wm5100->jack, SND_JACK_HEADSET, SND_JACK_HEADSET | SND_JACK_BTN_0); @@ -2218,6 +2223,7 @@ static void wm5100_micd_irq(struct snd_soc_codec *codec) SND_JACK_BTN_0); } else if (wm5100->jack_detecting) { dev_dbg(codec->dev, "Headphone detected\n"); + wm5100->jack_detecting = false; snd_soc_jack_report(wm5100->jack, SND_JACK_HEADPHONE, SND_JACK_HEADPHONE); @@ -2607,6 +2613,13 @@ static const struct regmap_config wm5100_regmap = { .cache_type = REGCACHE_RBTREE, }; +static const unsigned int wm5100_mic_ctrl_reg[] = { + WM5100_IN1L_CONTROL, + WM5100_IN2L_CONTROL, + WM5100_IN3L_CONTROL, + WM5100_IN4L_CONTROL, +}; + static __devinit int wm5100_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { @@ -2739,7 +2752,7 @@ static __devinit int wm5100_i2c_probe(struct i2c_client *i2c, } for (i = 0; i < ARRAY_SIZE(wm5100->pdata.in_mode); i++) { - regmap_update_bits(wm5100->regmap, WM5100_IN1L_CONTROL, + regmap_update_bits(wm5100->regmap, wm5100_mic_ctrl_reg[i], WM5100_IN1_MODE_MASK | WM5100_IN1_DMIC_SUP_MASK, (wm5100->pdata.in_mode[i] << diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c index 8d4ea43d40a383..40ac888faf3d76 100644 --- a/sound/soc/codecs/wm8958-dsp2.c +++ b/sound/soc/codecs/wm8958-dsp2.c @@ -55,7 +55,7 @@ static int wm8958_dsp2_fw(struct snd_soc_codec *codec, const char *name, return 0; if (fw->size < 32) { - dev_err(codec->dev, "%s: firmware too short (%d bytes)\n", + dev_err(codec->dev, "%s: firmware too short (%zd bytes)\n", name, fw->size); goto err; } diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 296de4e30d26f4..29c4b02c479068 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -96,7 +96,7 @@ static int wm8962_regulator_event_##n(struct notifier_block *nb, \ struct wm8962_priv *wm8962 = container_of(nb, struct wm8962_priv, \ disable_nb[n]); \ if (event & REGULATOR_EVENT_DISABLE) { \ - regcache_cache_only(wm8962->regmap, true); \ + regcache_mark_dirty(wm8962->regmap); \ } \ return 0; \ } @@ -3159,13 +3159,13 @@ static int wm8962_hw_params(struct snd_pcm_substream *substream, case SNDRV_PCM_FORMAT_S16_LE: break; case SNDRV_PCM_FORMAT_S20_3LE: - aif0 |= 0x40; + aif0 |= 0x4; break; case SNDRV_PCM_FORMAT_S24_LE: - aif0 |= 0x80; + aif0 |= 0x8; break; case SNDRV_PCM_FORMAT_S32_LE: - aif0 |= 0xc0; + aif0 |= 0xc; break; default: return -EINVAL; diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 93d27b6602571c..ec69a6c152fea9 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -770,6 +770,8 @@ static void vmid_reference(struct snd_soc_codec *codec) { struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); + pm_runtime_get_sync(codec->dev); + wm8994->vmid_refcount++; dev_dbg(codec->dev, "Referencing VMID, refcount is now %d\n", @@ -783,7 +785,12 @@ static void vmid_reference(struct snd_soc_codec *codec) WM8994_VMID_RAMP_MASK, WM8994_STARTUP_BIAS_ENA | WM8994_VMID_BUF_ENA | - (0x11 << WM8994_VMID_RAMP_SHIFT)); + (0x3 << WM8994_VMID_RAMP_SHIFT)); + + /* Remove discharge for line out */ + snd_soc_update_bits(codec, WM8994_ANTIPOP_1, + WM8994_LINEOUT1_DISCH | + WM8994_LINEOUT2_DISCH, 0); /* Main bias enable, VMID=2x40k */ snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1, @@ -837,6 +844,8 @@ static void vmid_dereference(struct snd_soc_codec *codec) WM8994_VMID_BUF_ENA | WM8994_VMID_RAMP_MASK, 0); } + + pm_runtime_put(codec->dev); } static int vmid_event(struct snd_soc_dapm_widget *w, @@ -2753,11 +2762,6 @@ static int wm8994_resume(struct snd_soc_codec *codec) codec->cache_only = 0; } - /* Restore the registers */ - ret = snd_soc_cache_sync(codec); - if (ret != 0) - dev_err(codec->dev, "Failed to sync cache: %d\n", ret); - wm8994_set_bias_level(codec, SND_SOC_BIAS_STANDBY); for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) { diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c index d8da10fe5b522a..61f7daa4d0e681 100644 --- a/sound/soc/codecs/wm8996.c +++ b/sound/soc/codecs/wm8996.c @@ -108,7 +108,7 @@ static int wm8996_regulator_event_##n(struct notifier_block *nb, \ struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \ disable_nb[n]); \ if (event & REGULATOR_EVENT_DISABLE) { \ - regcache_cache_only(wm8996->regmap, true); \ + regcache_mark_dirty(wm8996->regmap); \ } \ return 0; \ } @@ -1120,7 +1120,8 @@ SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0), SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0), SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0), SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event, - SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0), @@ -2007,6 +2008,7 @@ static int wm8996_set_sysclk(struct snd_soc_dai *dai, struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec); int lfclk = 0; int ratediv = 0; + int sync = WM8996_REG_SYNC; int src; int old; @@ -2051,6 +2053,7 @@ static int wm8996_set_sysclk(struct snd_soc_dai *dai, case 32000: case 32768: lfclk = WM8996_LFCLK_ENA; + sync = 0; break; default: dev_warn(codec->dev, "Unsupported clock rate %dHz\n", @@ -2064,6 +2067,8 @@ static int wm8996_set_sysclk(struct snd_soc_dai *dai, WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK, src << WM8996_SYSCLK_SRC_SHIFT | ratediv); snd_soc_update_bits(codec, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk); + snd_soc_update_bits(codec, WM8996_CONTROL_INTERFACE_1, + WM8996_REG_SYNC, sync); snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1, WM8996_SYSCLK_ENA, old); diff --git a/sound/soc/codecs/wm8996.h b/sound/soc/codecs/wm8996.h index 0fde643194ceac..de9ac3e44aec84 100644 --- a/sound/soc/codecs/wm8996.h +++ b/sound/soc/codecs/wm8996.h @@ -1567,6 +1567,10 @@ int wm8996_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack, /* * R257 (0x101) - Control Interface (1) */ +#define WM8996_REG_SYNC 0x8000 /* REG_SYNC */ +#define WM8996_REG_SYNC_MASK 0x8000 /* REG_SYNC */ +#define WM8996_REG_SYNC_SHIFT 15 /* REG_SYNC */ +#define WM8996_REG_SYNC_WIDTH 1 /* REG_SYNC */ #define WM8996_AUTO_INC 0x0004 /* AUTO_INC */ #define WM8996_AUTO_INC_MASK 0x0004 /* AUTO_INC */ #define WM8996_AUTO_INC_SHIFT 2 /* AUTO_INC */ diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c index 2a61094075f86d..8a68cea4a3ee6a 100644 --- a/sound/soc/codecs/wm_hubs.c +++ b/sound/soc/codecs/wm_hubs.c @@ -586,14 +586,14 @@ SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 0, 1, 0), }; static const struct snd_kcontrol_new line2_mix[] = { -SOC_DAPM_SINGLE("IN2R Switch", WM8993_LINE_MIXER2, 2, 1, 0), -SOC_DAPM_SINGLE("IN2L Switch", WM8993_LINE_MIXER2, 1, 1, 0), +SOC_DAPM_SINGLE("IN1L Switch", WM8993_LINE_MIXER2, 2, 1, 0), +SOC_DAPM_SINGLE("IN1R Switch", WM8993_LINE_MIXER2, 1, 1, 0), SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER2, 0, 1, 0), }; static const struct snd_kcontrol_new line2n_mix[] = { -SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER2, 6, 1, 0), -SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 5, 1, 0), +SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER2, 5, 1, 0), +SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 6, 1, 0), }; static const struct snd_kcontrol_new line2p_mix[] = { @@ -613,6 +613,8 @@ SND_SOC_DAPM_INPUT("IN2RP:VXRP"), SND_SOC_DAPM_SUPPLY("MICBIAS2", WM8993_POWER_MANAGEMENT_1, 5, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("MICBIAS1", WM8993_POWER_MANAGEMENT_1, 4, 0, NULL, 0), +SND_SOC_DAPM_SUPPLY("LINEOUT_VMID_BUF", WM8993_ANTIPOP1, 7, 0, NULL, 0), + SND_SOC_DAPM_MIXER("IN1L PGA", WM8993_POWER_MANAGEMENT_2, 6, 0, in1l_pga, ARRAY_SIZE(in1l_pga)), SND_SOC_DAPM_MIXER("IN1R PGA", WM8993_POWER_MANAGEMENT_2, 4, 0, @@ -834,9 +836,11 @@ static const struct snd_soc_dapm_route lineout1_diff_routes[] = { }; static const struct snd_soc_dapm_route lineout1_se_routes[] = { + { "LINEOUT1N Mixer", NULL, "LINEOUT_VMID_BUF" }, { "LINEOUT1N Mixer", "Left Output Switch", "Left Output PGA" }, { "LINEOUT1N Mixer", "Right Output Switch", "Right Output PGA" }, + { "LINEOUT1P Mixer", NULL, "LINEOUT_VMID_BUF" }, { "LINEOUT1P Mixer", "Left Output Switch", "Left Output PGA" }, { "LINEOUT1N Driver", NULL, "LINEOUT1N Mixer" }, @@ -844,8 +848,8 @@ static const struct snd_soc_dapm_route lineout1_se_routes[] = { }; static const struct snd_soc_dapm_route lineout2_diff_routes[] = { - { "LINEOUT2 Mixer", "IN2L Switch", "IN2L PGA" }, - { "LINEOUT2 Mixer", "IN2R Switch", "IN2R PGA" }, + { "LINEOUT2 Mixer", "IN1L Switch", "IN1L PGA" }, + { "LINEOUT2 Mixer", "IN1R Switch", "IN1R PGA" }, { "LINEOUT2 Mixer", "Output Switch", "Right Output PGA" }, { "LINEOUT2N Driver", NULL, "LINEOUT2 Mixer" }, @@ -853,9 +857,11 @@ static const struct snd_soc_dapm_route lineout2_diff_routes[] = { }; static const struct snd_soc_dapm_route lineout2_se_routes[] = { + { "LINEOUT2N Mixer", NULL, "LINEOUT_VMID_BUF" }, { "LINEOUT2N Mixer", "Left Output Switch", "Left Output PGA" }, { "LINEOUT2N Mixer", "Right Output Switch", "Right Output PGA" }, + { "LINEOUT2P Mixer", NULL, "LINEOUT_VMID_BUF" }, { "LINEOUT2P Mixer", "Right Output Switch", "Right Output PGA" }, { "LINEOUT2N Driver", NULL, "LINEOUT2N Mixer" }, diff --git a/sound/soc/mxs/mxs-saif.c b/sound/soc/mxs/mxs-saif.c index dccfb37a96261d..f204dbac11d4e0 100644 --- a/sound/soc/mxs/mxs-saif.c +++ b/sound/soc/mxs/mxs-saif.c @@ -124,6 +124,8 @@ static int mxs_saif_set_clk(struct mxs_saif *saif, * * If MCLK is not used, we just set saif clk to 512*fs. */ + clk_prepare_enable(master_saif->clk); + if (master_saif->mclk_in_use) { if (mclk % 32 == 0) { scr &= ~BM_SAIF_CTRL_BITCLK_BASE_RATE; @@ -133,6 +135,7 @@ static int mxs_saif_set_clk(struct mxs_saif *saif, ret = clk_set_rate(master_saif->clk, 384 * rate); } else { /* SAIF MCLK should be either 32x or 48x */ + clk_disable_unprepare(master_saif->clk); return -EINVAL; } } else { @@ -140,6 +143,8 @@ static int mxs_saif_set_clk(struct mxs_saif *saif, scr &= ~BM_SAIF_CTRL_BITCLK_BASE_RATE; } + clk_disable_unprepare(master_saif->clk); + if (ret) return ret; diff --git a/sound/soc/samsung/neo1973_wm8753.c b/sound/soc/samsung/neo1973_wm8753.c index 7ac0ba2025c337..c6012ff5bd3ea9 100644 --- a/sound/soc/samsung/neo1973_wm8753.c +++ b/sound/soc/samsung/neo1973_wm8753.c @@ -230,8 +230,6 @@ static const struct snd_kcontrol_new neo1973_wm8753_controls[] = { /* GTA02 specific routes and controls */ -#ifdef CONFIG_MACH_NEO1973_GTA02 - static int gta02_speaker_enabled; static int lm4853_set_spk(struct snd_kcontrol *kcontrol, @@ -311,10 +309,6 @@ static int neo1973_gta02_wm8753_init(struct snd_soc_codec *codec) return 0; } -#else -static int neo1973_gta02_wm8753_init(struct snd_soc_code *codec) { return 0; } -#endif - static int neo1973_wm8753_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; @@ -322,10 +316,6 @@ static int neo1973_wm8753_init(struct snd_soc_pcm_runtime *rtd) int ret; /* set up NC codec pins */ - if (machine_is_neo1973_gta01()) { - snd_soc_dapm_nc_pin(dapm, "LOUT2"); - snd_soc_dapm_nc_pin(dapm, "ROUT2"); - } snd_soc_dapm_nc_pin(dapm, "OUT3"); snd_soc_dapm_nc_pin(dapm, "OUT4"); snd_soc_dapm_nc_pin(dapm, "LINE1"); @@ -370,50 +360,6 @@ static int neo1973_wm8753_init(struct snd_soc_pcm_runtime *rtd) return 0; } -/* GTA01 specific controls */ - -#ifdef CONFIG_MACH_NEO1973_GTA01 - -static const struct snd_soc_dapm_route neo1973_lm4857_routes[] = { - {"Amp IN", NULL, "ROUT1"}, - {"Amp IN", NULL, "LOUT1"}, - - {"Handset Spk", NULL, "Amp EP"}, - {"Stereo Out", NULL, "Amp LS"}, - {"Headphone", NULL, "Amp HP"}, -}; - -static const struct snd_soc_dapm_widget neo1973_lm4857_dapm_widgets[] = { - SND_SOC_DAPM_SPK("Handset Spk", NULL), - SND_SOC_DAPM_SPK("Stereo Out", NULL), - SND_SOC_DAPM_HP("Headphone", NULL), -}; - -static int neo1973_lm4857_init(struct snd_soc_dapm_context *dapm) -{ - int ret; - - ret = snd_soc_dapm_new_controls(dapm, neo1973_lm4857_dapm_widgets, - ARRAY_SIZE(neo1973_lm4857_dapm_widgets)); - if (ret) - return ret; - - ret = snd_soc_dapm_add_routes(dapm, neo1973_lm4857_routes, - ARRAY_SIZE(neo1973_lm4857_routes)); - if (ret) - return ret; - - snd_soc_dapm_ignore_suspend(dapm, "Stereo Out"); - snd_soc_dapm_ignore_suspend(dapm, "Handset Spk"); - snd_soc_dapm_ignore_suspend(dapm, "Headphone"); - - return 0; -} - -#else -static int neo1973_lm4857_init(struct snd_soc_dapm_context *dapm) { return 0; }; -#endif - static struct snd_soc_dai_link neo1973_dai[] = { { /* Hifi Playback - for similatious use with voice below */ .name = "WM8753", @@ -440,11 +386,6 @@ static struct snd_soc_aux_dev neo1973_aux_devs[] = { .name = "dfbmcs320", .codec_name = "dfbmcs320.0", }, - { - .name = "lm4857", - .codec_name = "lm4857.0-007c", - .init = neo1973_lm4857_init, - }, }; static struct snd_soc_codec_conf neo1973_codec_conf[] = { @@ -454,14 +395,10 @@ static struct snd_soc_codec_conf neo1973_codec_conf[] = { }, }; -#ifdef CONFIG_MACH_NEO1973_GTA02 static const struct gpio neo1973_gta02_gpios[] = { { GTA02_GPIO_HP_IN, GPIOF_OUT_INIT_HIGH, "GTA02_HP_IN" }, { GTA02_GPIO_AMP_SHUT, GPIOF_OUT_INIT_HIGH, "GTA02_AMP_SHUT" }, }; -#else -static const struct gpio neo1973_gta02_gpios[] = {}; -#endif static struct snd_soc_card neo1973 = { .name = "neo1973", @@ -480,7 +417,7 @@ static int __init neo1973_init(void) { int ret; - if (!machine_is_neo1973_gta01() && !machine_is_neo1973_gta02()) + if (!machine_is_neo1973_gta02()) return -ENODEV; if (machine_is_neo1973_gta02()) { diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index b5ecf6d2321446..92cee24ed2dcce 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -567,6 +567,17 @@ int snd_soc_suspend(struct device *dev) if (!codec->suspended && codec->driver->suspend) { switch (codec->dapm.bias_level) { case SND_SOC_BIAS_STANDBY: + /* + * If the CODEC is capable of idle + * bias off then being in STANDBY + * means it's doing something, + * otherwise fall through. + */ + if (codec->dapm.idle_bias_off) { + dev_dbg(codec->dev, + "idle_bias_off CODEC on over suspend\n"); + break; + } case SND_SOC_BIAS_OFF: codec->driver->suspend(codec); codec->suspended = 1; diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 8edc5035fc8fc5..d89ab4c7d44b28 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -1618,6 +1618,14 @@ YAMAHA_DEVICE(0x7010, "UB99"), } }, { + /* Edirol UM-3G */ + USB_DEVICE_VENDOR_SPEC(0x0582, 0x0108), + .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { + .ifnum = 0, + .type = QUIRK_MIDI_STANDARD_INTERFACE + } +}, +{ /* Boss JS-8 Jam Station */ USB_DEVICE(0x0582, 0x0109), .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { diff --git a/tools/perf/Makefile b/tools/perf/Makefile index ac86d67b636e06..7c12650165aed5 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -104,7 +104,7 @@ endif CFLAGS = -fno-omit-frame-pointer -ggdb3 -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) EXTLIBS = -lpthread -lrt -lelf -lm -ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 +ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE ALL_LDFLAGS = $(LDFLAGS) STRIP ?= strip @@ -168,10 +168,7 @@ endif ### --- END CONFIGURATION SECTION --- -# Those must not be GNU-specific; they are shared with perl/ which may -# be built by a different compiler. (Note that this is an artifact now -# but it still might be nice to keep that distinction.) -BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include +BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE BASIC_LDFLAGS = # Guard against environment variables diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm.S b/tools/perf/bench/mem-memcpy-x86-64-asm.S index a57b66e853c24e..185a96d66dd18c 100644 --- a/tools/perf/bench/mem-memcpy-x86-64-asm.S +++ b/tools/perf/bench/mem-memcpy-x86-64-asm.S @@ -1,2 +1,8 @@ #include "../../../arch/x86/lib/memcpy_64.S" +/* + * We need to provide note.GNU-stack section, saying that we want + * NOT executable stack. Otherwise the final linking will assume that + * the ELF stack should not be restricted at all and set it RWX. + */ +.section .note.GNU-stack,"",@progbits diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index 59d43abfbfec1c..fb8566181f27f2 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -20,7 +20,6 @@ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ -#define _GNU_SOURCE #include <sys/utsname.h> #include <sys/types.h> #include <sys/stat.h> @@ -31,7 +30,6 @@ #include <stdlib.h> #include <string.h> -#undef _GNU_SOURCE #include "perf.h" #include "builtin.h" #include "util/util.h" diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 8f80df89603822..dd162aa24baad2 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -89,8 +89,6 @@ void get_term_dimensions(struct winsize *ws) static void perf_top__update_print_entries(struct perf_top *top) { - top->print_entries = top->winsize.ws_row; - if (top->print_entries > 9) top->print_entries -= 9; } @@ -100,6 +98,13 @@ static void perf_top__sig_winch(int sig __used, siginfo_t *info __used, void *ar struct perf_top *top = arg; get_term_dimensions(&top->winsize); + if (!top->print_entries + || (top->print_entries+4) > top->winsize.ws_row) { + top->print_entries = top->winsize.ws_row; + } else { + top->print_entries += 4; + top->winsize.ws_row = top->print_entries; + } perf_top__update_print_entries(top); } @@ -453,8 +458,10 @@ static void perf_top__handle_keypress(struct perf_top *top, int c) }; perf_top__sig_winch(SIGWINCH, NULL, top); sigaction(SIGWINCH, &act, NULL); - } else + } else { + perf_top__sig_winch(SIGWINCH, NULL, top); signal(SIGWINCH, SIG_DFL); + } break; case 'E': if (top->evlist->nr_entries > 1) { diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 73ddaf06b8e718..2044324b755a51 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -554,7 +554,7 @@ static int perf_event__process_kernel_mmap(struct perf_tool *tool __used, is_kernel_mmap = memcmp(event->mmap.filename, kmmap_prefix, - strlen(kmmap_prefix)) == 0; + strlen(kmmap_prefix) - 1) == 0; if (event->mmap.filename[0] == '/' || (!is_kernel_mmap && event->mmap.filename[0] == '[')) { diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 667f3b78bb2c2f..7132ee834e0e5e 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -463,6 +463,7 @@ int perf_event__parse_sample(const union perf_event *event, u64 type, memset(data, 0, sizeof(*data)); data->cpu = data->pid = data->tid = -1; data->stream_id = data->id = data->time = -1ULL; + data->period = 1; if (event->header.type != PERF_RECORD_SAMPLE) { if (!sample_id_all) diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 3e7e0b09c12c29..ecd7f4dd7eea01 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2105,7 +2105,7 @@ int perf_event__synthesize_event_type(struct perf_tool *tool, strncpy(ev.event_type.event_type.name, name, MAX_EVENT_NAME - 1); ev.event_type.header.type = PERF_RECORD_HEADER_EVENT_TYPE; - size = strlen(name); + size = strlen(ev.event_type.event_type.name); size = ALIGN(size, sizeof(u64)); ev.event_type.header.size = sizeof(ev.event_type) - (sizeof(ev.event_type.event_type.name) - size); diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index eb25900e2211f9..29cb654598113a 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -19,7 +19,6 @@ * */ -#define _GNU_SOURCE #include <sys/utsname.h> #include <sys/types.h> #include <sys/stat.h> @@ -33,7 +32,6 @@ #include <limits.h> #include <elf.h> -#undef _GNU_SOURCE #include "util.h" #include "event.h" #include "string.h" diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 215d50f2042e06..0975438c3e7281 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1,4 +1,3 @@ -#define _GNU_SOURCE #include <ctype.h> #include <dirent.h> #include <errno.h> diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 6c164dc9ee957d..1a8d4dc4f386b5 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -21,14 +21,13 @@ * The parts for function graph printing was taken and modified from the * Linux Kernel that were written by Frederic Weisbecker. */ -#define _GNU_SOURCE + #include <stdio.h> #include <stdlib.h> #include <string.h> #include <ctype.h> #include <errno.h> -#undef _GNU_SOURCE #include "../perf.h" #include "util.h" #include "trace-event.h" diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c index 1212a386a0336e..e81aef1f25698d 100644 --- a/tools/perf/util/ui/browsers/hists.c +++ b/tools/perf/util/ui/browsers/hists.c @@ -1,6 +1,4 @@ -#define _GNU_SOURCE #include <stdio.h> -#undef _GNU_SOURCE #include "../libslang.h" #include <stdlib.h> #include <string.h> diff --git a/tools/perf/util/ui/helpline.c b/tools/perf/util/ui/helpline.c index 6ef3c56917626a..4f48f5901b303e 100644 --- a/tools/perf/util/ui/helpline.c +++ b/tools/perf/util/ui/helpline.c @@ -1,4 +1,3 @@ -#define _GNU_SOURCE #include <stdio.h> #include <stdlib.h> #include <string.h> diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index b9c530cce79a79..ecf9898169c869 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -40,7 +40,6 @@ #define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1) #define _ALL_SOURCE 1 -#define _GNU_SOURCE 1 #define _BSD_SOURCE 1 #define HAS_BOOL diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 7287bf5d1c9edc..a91f980077d843 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1543,7 +1543,7 @@ void mark_page_dirty_in_slot(struct kvm *kvm, struct kvm_memory_slot *memslot, if (memslot && memslot->dirty_bitmap) { unsigned long rel_gfn = gfn - memslot->base_gfn; - if (!__test_and_set_bit_le(rel_gfn, memslot->dirty_bitmap)) + if (!test_and_set_bit_le(rel_gfn, memslot->dirty_bitmap)) memslot->nr_dirty_pages++; } } |