diff options
Diffstat (limited to 'drivers/media/video/pwc/pwc.h')
| -rw-r--r-- | drivers/media/video/pwc/pwc.h | 176 |
1 files changed, 132 insertions, 44 deletions
diff --git a/drivers/media/video/pwc/pwc.h b/drivers/media/video/pwc/pwc.h index 1b0ee0ced0ed38..1fd8c34d118189 100644 --- a/drivers/media/video/pwc/pwc.h +++ b/drivers/media/video/pwc/pwc.h @@ -1,5 +1,5 @@ /* (C) 1999-2003 Nemosoft Unv. - (C) 2004 Luc Saillard (luc@saillard.org) + (C) 2004-2006 Luc Saillard (luc@saillard.org) NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx driver and thus may have bugs that are not present in the original version. @@ -29,51 +29,87 @@ #include <linux/module.h> #include <linux/usb.h> #include <linux/spinlock.h> -#include <linux/videodev.h> #include <linux/wait.h> #include <linux/smp_lock.h> +#include <linux/version.h> #include <asm/semaphore.h> #include <asm/errno.h> +#include <linux/videodev.h> +#include <linux/videodev2.h> #include "pwc-uncompress.h" -#include "pwc-ioctl.h" - -/* Defines and structures for the Philips webcam */ -/* Used for checking memory corruption/pointer validation */ -#define PWC_MAGIC 0x89DC10ABUL -#undef PWC_MAGIC +#include <media/pwc-ioctl.h> /* Turn some debugging options on/off */ -#define PWC_DEBUG 0 +#ifndef CONFIG_PWC_DEBUG +#define CONFIG_PWC_DEBUG 1 +#endif + +/* Version block */ +#define PWC_MAJOR 10 +#define PWC_MINOR 0 +#define PWC_EXTRAMINOR 12 +#define PWC_VERSION_CODE KERNEL_VERSION(PWC_MAJOR,PWC_MINOR,PWC_EXTRAMINOR) +#define PWC_VERSION "10.0.12" +#define PWC_NAME "pwc" +#define PFX PWC_NAME ": " + /* Trace certain actions in the driver */ -#define TRACE_MODULE 0x0001 -#define TRACE_PROBE 0x0002 -#define TRACE_OPEN 0x0004 -#define TRACE_READ 0x0008 -#define TRACE_MEMORY 0x0010 -#define TRACE_FLOW 0x0020 -#define TRACE_SIZE 0x0040 -#define TRACE_PWCX 0x0080 -#define TRACE_SEQUENCE 0x1000 - -#define Trace(R, A...) if (pwc_trace & R) printk(KERN_DEBUG PWC_NAME " " A) -#define Debug(A...) printk(KERN_DEBUG PWC_NAME " " A) -#define Info(A...) printk(KERN_INFO PWC_NAME " " A) -#define Err(A...) printk(KERN_ERR PWC_NAME " " A) +#define PWC_DEBUG_LEVEL_MODULE (1<<0) +#define PWC_DEBUG_LEVEL_PROBE (1<<1) +#define PWC_DEBUG_LEVEL_OPEN (1<<2) +#define PWC_DEBUG_LEVEL_READ (1<<3) +#define PWC_DEBUG_LEVEL_MEMORY (1<<4) +#define PWC_DEBUG_LEVEL_FLOW (1<<5) +#define PWC_DEBUG_LEVEL_SIZE (1<<6) +#define PWC_DEBUG_LEVEL_IOCTL (1<<7) +#define PWC_DEBUG_LEVEL_TRACE (1<<8) + +#define PWC_DEBUG_MODULE(fmt, args...) PWC_DEBUG(MODULE, fmt, ##args) +#define PWC_DEBUG_PROBE(fmt, args...) PWC_DEBUG(PROBE, fmt, ##args) +#define PWC_DEBUG_OPEN(fmt, args...) PWC_DEBUG(OPEN, fmt, ##args) +#define PWC_DEBUG_READ(fmt, args...) PWC_DEBUG(READ, fmt, ##args) +#define PWC_DEBUG_MEMORY(fmt, args...) PWC_DEBUG(MEMORY, fmt, ##args) +#define PWC_DEBUG_FLOW(fmt, args...) PWC_DEBUG(FLOW, fmt, ##args) +#define PWC_DEBUG_SIZE(fmt, args...) PWC_DEBUG(SIZE, fmt, ##args) +#define PWC_DEBUG_IOCTL(fmt, args...) PWC_DEBUG(IOCTL, fmt, ##args) +#define PWC_DEBUG_TRACE(fmt, args...) PWC_DEBUG(TRACE, fmt, ##args) + + +#if CONFIG_PWC_DEBUG + +#define PWC_DEBUG_LEVEL (PWC_DEBUG_LEVEL_MODULE) + +#define PWC_DEBUG(level, fmt, args...) do {\ + if ((PWC_DEBUG_LEVEL_ ##level) & pwc_trace) \ + printk(KERN_DEBUG PFX fmt, ##args); \ + } while(0) + +#define PWC_ERROR(fmt, args...) printk(KERN_ERR PFX fmt, ##args) +#define PWC_WARNING(fmt, args...) printk(KERN_WARNING PFX fmt, ##args) +#define PWC_INFO(fmt, args...) printk(KERN_INFO PFX fmt, ##args) +#define PWC_TRACE(fmt, args...) PWC_DEBUG(TRACE, fmt, ##args) + +#else /* if ! CONFIG_PWC_DEBUG */ + +#define PWC_ERROR(fmt, args...) printk(KERN_ERR PFX fmt, ##args) +#define PWC_WARNING(fmt, args...) printk(KERN_WARNING PFX fmt, ##args) +#define PWC_INFO(fmt, args...) printk(KERN_INFO PFX fmt, ##args) +#define PWC_TRACE(fmt, args...) do { } while(0) +#define PWC_DEBUG(level, fmt, args...) do { } while(0) + +#define pwc_trace 0 +#endif /* Defines for ToUCam cameras */ #define TOUCAM_HEADER_SIZE 8 #define TOUCAM_TRAILER_SIZE 4 #define FEATURE_MOTOR_PANTILT 0x0001 - -/* Version block */ -#define PWC_MAJOR 9 -#define PWC_MINOR 0 -#define PWC_VERSION "9.0.2-unofficial" -#define PWC_NAME "pwc" +#define FEATURE_CODEC1 0x0002 +#define FEATURE_CODEC2 0x0004 /* Turn certain features on/off */ #define PWC_INT_PIPE 0 @@ -95,6 +131,18 @@ /* Absolute maximum number of buffers available for mmap() */ #define MAX_IMAGES 10 +/* Some macros to quickly find the type of a webcam */ +#define DEVICE_USE_CODEC1(x) ((x)<675) +#define DEVICE_USE_CODEC2(x) ((x)>=675 && (x)<700) +#define DEVICE_USE_CODEC3(x) ((x)>=700) +#define DEVICE_USE_CODEC23(x) ((x)>=675) + + +#ifndef V4L2_PIX_FMT_PWC1 +#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P','W','C','1') +#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P','W','C','2') +#endif + /* The following structures were based on cpia.h. Why reinvent the wheel? :-) */ struct pwc_iso_buf { @@ -110,17 +158,19 @@ struct pwc_frame_buf void *data; volatile int filled; /* number of bytes filled */ struct pwc_frame_buf *next; /* list */ -#if PWC_DEBUG - int sequence; /* Sequence number */ -#endif +}; + +/* additionnal informations used when dealing image between kernel and userland */ +struct pwc_imgbuf +{ + unsigned long offset; /* offset of this buffer in the big array of image_data */ + int vma_use_count; /* count the number of time this memory is mapped */ }; struct pwc_device { struct video_device *vdev; -#ifdef PWC_MAGIC - int magic; -#endif + /* Pointer to our usb_device */ struct usb_device *udev; @@ -177,12 +227,8 @@ struct pwc_device int frame_size; int frame_total_size; /* including header & trailer */ int drop_frames; -#if PWC_DEBUG - int sequence; /* Debugging aid */ -#endif /* 3: decompression */ - struct pwc_decompressor *decompressor; /* function block with decompression routines */ void *decompress_data; /* private data for decompression engine */ /* 4: image */ @@ -198,7 +244,7 @@ struct pwc_device struct pwc_coord offset; /* offset within the viewport */ void *image_data; /* total buffer, which is subdivided into ... */ - void *image_ptr[MAX_IMAGES]; /* ...several images... */ + struct pwc_imgbuf images[MAX_IMAGES];/* ...several images... */ int fill_image; /* ...which are rotated. */ int len_per_image; /* length per image */ int image_read_pos; /* In case we read data in pieces, keep track of were we are in the imagebuffer */ @@ -211,6 +257,7 @@ struct pwc_device struct pwc_mpt_range angle_range; int pan_angle; /* in degrees * 100 */ int tilt_angle; /* absolute angle; 0,0 is home position */ + int snapshot_button_status; /* set to 1 when the user push the button, reset to 0 when this value is read */ /*** Misc. data ***/ wait_queue_head_t frameq; /* When waiting for a frame to finish... */ @@ -219,20 +266,27 @@ struct pwc_device #endif }; - #ifdef __cplusplus extern "C" { #endif -/* Global variable */ +/* Global variables */ +#if CONFIG_PWC_DEBUG extern int pwc_trace; +#endif +extern int pwc_preferred_compression; +extern int pwc_mbufs; /** functions in pwc-if.c */ int pwc_try_video_mode(struct pwc_device *pdev, int width, int height, int new_fps, int new_compression, int new_snapshot); +int pwc_handle_frame(struct pwc_device *pdev); +void pwc_next_image(struct pwc_device *pdev); +int pwc_isoc_init(struct pwc_device *pdev); +void pwc_isoc_cleanup(struct pwc_device *pdev); /** Functions in pwc-misc.c */ /* sizes in pixels */ -extern struct pwc_coord pwc_image_sizes[PSZ_MAX]; +extern const struct pwc_coord pwc_image_sizes[PSZ_MAX]; int pwc_decode_size(struct pwc_device *pdev, int width, int height); void pwc_construct(struct pwc_device *pdev); @@ -240,6 +294,9 @@ void pwc_construct(struct pwc_device *pdev); /** Functions in pwc-ctrl.c */ /* Request a certain video mode. Returns < 0 if not possible */ extern int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frames, int compression, int snapshot); +/* Calculate the number of bytes per image (not frame) */ +extern int pwc_mpt_reset(struct pwc_device *pdev, int flags); +extern int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt); /* Various controls; should be obvious. Value 0..65535, or < 0 on error */ extern int pwc_get_brightness(struct pwc_device *pdev); @@ -248,10 +305,37 @@ extern int pwc_get_contrast(struct pwc_device *pdev); extern int pwc_set_contrast(struct pwc_device *pdev, int value); extern int pwc_get_gamma(struct pwc_device *pdev); extern int pwc_set_gamma(struct pwc_device *pdev, int value); -extern int pwc_get_saturation(struct pwc_device *pdev); +extern int pwc_get_saturation(struct pwc_device *pdev, int *value); extern int pwc_set_saturation(struct pwc_device *pdev, int value); extern int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value); +extern int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value); extern int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor); +extern int pwc_restore_user(struct pwc_device *pdev); +extern int pwc_save_user(struct pwc_device *pdev); +extern int pwc_restore_factory(struct pwc_device *pdev); + +/* exported for use by v4l2 controls */ +extern int pwc_get_red_gain(struct pwc_device *pdev, int *value); +extern int pwc_set_red_gain(struct pwc_device *pdev, int value); +extern int pwc_get_blue_gain(struct pwc_device *pdev, int *value); +extern int pwc_set_blue_gain(struct pwc_device *pdev, int value); +extern int pwc_get_awb(struct pwc_device *pdev); +extern int pwc_set_awb(struct pwc_device *pdev, int mode); +extern int pwc_set_agc(struct pwc_device *pdev, int mode, int value); +extern int pwc_get_agc(struct pwc_device *pdev, int *value); +extern int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value); +extern int pwc_get_shutter_speed(struct pwc_device *pdev, int *value); + +extern int pwc_set_colour_mode(struct pwc_device *pdev, int colour); +extern int pwc_get_colour_mode(struct pwc_device *pdev, int *colour); +extern int pwc_set_contour(struct pwc_device *pdev, int contour); +extern int pwc_get_contour(struct pwc_device *pdev, int *contour); +extern int pwc_set_backlight(struct pwc_device *pdev, int backlight); +extern int pwc_get_backlight(struct pwc_device *pdev, int *backlight); +extern int pwc_set_flicker(struct pwc_device *pdev, int flicker); +extern int pwc_get_flicker(struct pwc_device *pdev, int *flicker); +extern int pwc_set_dynamic_noise(struct pwc_device *pdev, int noise); +extern int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise); /* Power down or up the camera; not supported by all models */ extern int pwc_camera_power(struct pwc_device *pdev, int power); @@ -259,6 +343,9 @@ extern int pwc_camera_power(struct pwc_device *pdev, int power); /* Private ioctl()s; see pwc-ioctl.h */ extern int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg); +/** Functions in pwc-v4l.c */ +extern int pwc_video_do_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, void *arg); /** pwc-uncompress.c */ /* Expand frame to image, possibly including decompression. Uses read_frame and fill_image */ @@ -270,3 +357,4 @@ extern int pwc_decompress(struct pwc_device *pdev); #endif +/* vim: set cino= formatoptions=croql cindent shiftwidth=8 tabstop=8: */ |