/* * 1.00 Oct 31, 1994 -- Initial version. * 1.01 Nov 2, 1994 -- Fixed problem with starting request in * cdrom_check_status. * 1.03 Nov 25, 1994 -- leaving unmask_intr[] as a user-setting (as for disks) * (from mlord) -- minor changes to cdrom_setup() * -- renamed ide_dev_s to ide_drive_t, enable irq on command * 2.00 Nov 27, 1994 -- Generalize packet command interface; * add audio ioctls. * 2.01 Dec 3, 1994 -- Rework packet command interface to handle devices * which send an interrupt when ready for a command. * 2.02 Dec 11, 1994 -- Cache the TOC in the driver. * Don't use SCMD_PLAYAUDIO_TI; it's not included * in the current version of ATAPI. * Try to use LBA instead of track or MSF addressing * when possible. * Don't wait for READY_STAT. * 2.03 Jan 10, 1995 -- Rewrite block read routines to handle block sizes * other than 2k and to move multiple sectors in a * single transaction. * 2.04 Apr 21, 1995 -- Add work-around for Creative Labs CD220E drives. * Thanks to Nick Saw for * help in figuring this out. Ditto for Acer and * Aztech drives, which seem to have the same problem. * 2.04b May 30, 1995 -- Fix to match changes in ide.c version 3.16 -ml * 2.05 Jun 8, 1995 -- Don't attempt to retry after an illegal request * or data protect error. * Use HWIF and DEV_HWIF macros as in ide.c. * Always try to do a request_sense after * a failed command. * Include an option to give textual descriptions * of ATAPI errors. * Fix a bug in handling the sector cache which * showed up if the drive returned data in 512 byte * blocks (like Pioneer drives). Thanks to * Richard Hirst for diagnosing this. * Properly supply the page number field in the * MODE_SELECT command. * PLAYAUDIO12 is broken on the Aztech; work around it. * 2.05x Aug 11, 1995 -- lots of data structure renaming/restructuring in ide.c * (my apologies to Scott, but now ide-cd.c is independent) * 3.00 Aug 22, 1995 -- Implement CDROMMULTISESSION ioctl. * Implement CDROMREADAUDIO ioctl (UNTESTED). * Use input_ide_data() and output_ide_data(). * Add door locking. * Fix usage count leak in cdrom_open, which happened * when a read-write mount was attempted. * Try to load the disk on open. * Implement CDROMEJECT_SW ioctl (off by default). * Read total cdrom capacity during open. * Rearrange logic in cdrom_decode_status. Issue * request sense commands for failed packet commands * from here instead of from cdrom_queue_packet_command. * Fix a race condition in retrieving error information. * Suppress printing normal unit attention errors and * some drive not ready errors. * Implement CDROMVOLREAD ioctl. * Implement CDROMREADMODE1/2 ioctls. * Fix race condition in setting up interrupt handlers * when the `serialize' option is used. * 3.01 Sep 2, 1995 -- Fix ordering of reenabling interrupts in * cdrom_queue_request. * Another try at using ide_[input,output]_data. * 3.02 Sep 16, 1995 -- Stick total disk capacity in partition table as well. * Make VERBOSE_IDE_CD_ERRORS dump failed command again. * Dump out more information for ILLEGAL REQUEST errs. * Fix handling of errors occurring before the * packet command is transferred. * Fix transfers with odd bytelengths. * 3.03 Oct 27, 1995 -- Some Creative drives have an id of just `CD'. * `DCI-2S10' drives are broken too. * 3.04 Nov 20, 1995 -- So are Vertos drives. * 3.05 Dec 1, 1995 -- Changes to go with overhaul of ide.c and ide-tape.c * 3.06 Dec 16, 1995 -- Add support needed for partitions. * More workarounds for Vertos bugs (based on patches * from Holger Dietze ). * Try to eliminate byteorder assumptions. * Use atapi_cdrom_subchnl struct definition. * Add STANDARD_ATAPI compilation option. * 3.07 Jan 29, 1996 -- More twiddling for broken drives: Sony 55D, * Vertos 300. * Add NO_DOOR_LOCKING configuration option. * Handle drive_cmd requests w/NULL args (for hdparm -t). * Work around sporadic Sony55e audio play problem. * 3.07a Feb 11, 1996 -- check drive->id for NULL before dereferencing, to fix * problem with "hde=cdrom" with no drive present. -ml * 3.08 Mar 6, 1996 -- More Vertos workarounds. * 3.09 Apr 5, 1996 -- Add CDROMCLOSETRAY ioctl. * Switch to using MSF addressing for audio commands. * Reformat to match kernel tabbing style. * Add CDROM_GET_UPC ioctl. * 3.10 Apr 10, 1996 -- Fix compilation error with STANDARD_ATAPI. * 3.11 Apr 29, 1996 -- Patch from Heiko Eißfeldt * to remove redundant verify_area calls. * 3.12 May 7, 1996 -- Rudimentary changer support. Based on patches * from Gerhard Zuber . * Let open succeed even if there's no loaded disc. * 3.13 May 19, 1996 -- Fixes for changer code. * 3.14 May 29, 1996 -- Add work-around for Vertos 600. * (From Hennus Bergman .) * 3.15 July 2, 1996 -- Added support for Sanyo 3 CD changers * from Ben Galliart with * special help from Jeff Lightfoot * * 3.15a July 9, 1996 -- Improved Sanyo 3 CD changer identification * 3.16 Jul 28, 1996 -- Fix from Gadi to reduce kernel stack usage for ioctl. * 3.17 Sep 17, 1996 -- Tweak audio reads for some drives. * Start changing CDROMLOADFROMSLOT to CDROM_SELECT_DISC. * 3.18 Oct 31, 1996 -- Added module and DMA support. * * 4.00 Nov 5, 1996 -- New ide-cd maintainer, * Erik B. Andersen * -- Newer Creative drives don't always set the error * register correctly. Make sure we see media changes * regardless. * -- Integrate with generic cdrom driver. * -- CDROMGETSPINDOWN and CDROMSETSPINDOWN ioctls, based on * a patch from Ciro Cattuto <>. * -- Call set_device_ro. * -- Implement CDROMMECHANISMSTATUS and CDROMSLOTTABLE * ioctls, based on patch by Erik Andersen * -- Add some probes of drive capability during setup. * * 4.01 Nov 11, 1996 -- Split into ide-cd.c and ide-cd.h * -- Removed CDROMMECHANISMSTATUS and CDROMSLOTTABLE * ioctls in favor of a generalized approach * using the generic cdrom driver. * -- Fully integrated with the 2.1.X kernel. * -- Other stuff that I forgot (lots of changes) * * 4.02 Dec 01, 1996 -- Applied patch from Gadi Oxman * to fix the drive door locking problems. * * 4.03 Dec 04, 1996 -- Added DSC overlap support. * 4.04 Dec 29, 1996 -- Added CDROMREADRAW ioclt based on patch * by Ales Makarov (xmakarov@sun.felk.cvut.cz) * * 4.05 Nov 20, 1997 -- Modified to print more drive info on init * Minor other changes * Fix errors on CDROMSTOP (If you have a "Dolphin", * you must define IHAVEADOLPHIN) * Added identifier so new Sanyo CD-changer works * Better detection if door locking isn't supported * * 4.06 Dec 17, 1997 -- fixed endless "tray open" messages -ml * 4.07 Dec 17, 1997 -- fallback to set pc->stat on "tray open" * 4.08 Dec 18, 1997 -- spew less noise when tray is empty * -- fix speed display for ACER 24X, 18X * 4.09 Jan 04, 1998 -- fix handling of the last block so we return * an end of file instead of an I/O error (Gadi) * 4.10 Jan 24, 1998 -- fixed a bug so now changers can change to a new * slot when there is no disc in the current slot. * -- Fixed a memory leak where info->changer_info was * malloc'ed but never free'd when closing the device. * -- Cleaned up the global namespace a bit by making more * functions static that should already have been. * 4.11 Mar 12, 1998 -- Added support for the CDROM_SELECT_SPEED ioctl * based on a patch for 2.0.33 by Jelle Foks * , a patch for 2.0.33 * by Toni Giorgino , the SCSI * version, and my own efforts. -erik * -- Fixed a stupid bug which egcs was kind enough to * inform me of where "Illegal mode for this track" * was never returned due to a comparison on data * types of limited range. * 4.12 Mar 29, 1998 -- Fixed bug in CDROM_SELECT_SPEED so write speed is * now set ionly for CD-R and CD-RW drives. I had * removed this support because it produced errors. * It produced errors _only_ for non-writers. duh. * 4.13 May 05, 1998 -- Suppress useless "in progress of becoming ready" * messages, since this is not an error. * -- Change error messages to be const * -- Remove a "\t" which looks ugly in the syslogs * 4.14 July 17, 1998 -- Change to pointing to .ps version of ATAPI spec * since the .pdf version doesn't seem to work... * -- Updated the TODO list to something more current. * * 4.15 Aug 25, 1998 -- Updated ide-cd.h to respect machine endianness, * patch thanks to "Eddie C. Dost" * * 4.50 Oct 19, 1998 -- New maintainers! * Jens Axboe * Chris Zwilling * * 4.51 Dec 23, 1998 -- Jens Axboe * - ide_cdrom_reset enabled since the ide subsystem * handles resets fine now. * - Transfer size fix for Samsung CD-ROMs, thanks to * "Ville Hallik" . * - other minor stuff. * * 4.52 Jan 19, 1999 -- Jens Axboe * - Detect DVD-ROM/RAM drives * * 4.53 Feb 22, 1999 - Include other model Samsung and one Goldstar * drive in transfer size limit. * - Fix the I/O error when doing eject without a medium * loaded on some drives. * - CDROMREADMODE2 is now implemented through * CDROMREADRAW, since many drives don't support * MODE2 (even though ATAPI 2.6 says they must). * - Added ignore parameter to ide-cd (as a module), eg * insmod ide-cd ignore='hda hdb' * Useful when using ide-cd in conjunction with * ide-scsi. TODO: non-modular way of doing the * same. * * 4.54 Aug 5, 1999 - Support for MMC2 class commands through the generic * packet interface to cdrom.c. * - Unified audio ioctl support, most of it. * - cleaned up various deprecated verify_area(). * - Added ide_cdrom_packet() as the interface for * the Uniform generic_packet(). * - bunch of other stuff, will fill in logs later. * - report 1 slot for non-changers, like the other * cd-rom drivers. don't report select disc for * non-changers as well. * - mask out audio playing, if the device can't do it. * * 4.55 Sep 1, 1999 - Eliminated the rest of the audio ioctls, except * for CDROMREADTOC[ENTRY|HEADER]. Some of the drivers * use this independently of the actual audio handling. * They will disappear later when I get the time to * do it cleanly. * - Minimize the TOC reading - only do it when we * know a media change has occurred. * - Moved all the CDROMREADx ioctls to the Uniform layer. * - Heiko Eißfeldt supplied * some fixes for CDI. * - CD-ROM leaving door locked fix from Andries * Brouwer * - Erik Andersen unified * commands across the various drivers and how * sense errors are handled. * * 4.56 Sep 12, 1999 - Removed changer support - it is now in the * Uniform layer. * - Added partition based multisession handling. * - Mode sense and mode select moved to the * Uniform layer. * - Fixed a problem with WPI CDS-32X drive - it * failed the capabilities * * 4.57 Apr 7, 2000 - Fixed sense reporting. * - Fixed possible oops in ide_cdrom_get_last_session() * - Fix locking mania and make ide_cdrom_reset relock * - Stop spewing errors to log when magicdev polls with * TEST_UNIT_READY on some drives. * - Various fixes from Tobias Ringstrom: * tray if it was locked prior to the reset. * - cdrom_read_capacity returns one frame too little. * - Fix real capacity reporting. * * 4.58 May 1, 2000 - Clean up ACER50 stuff. * - Fix small problem with ide_cdrom_capacity * * 4.59 Aug 11, 2000 - Fix changer problem in cdrom_read_toc, we weren't * correctly sensing a disc change. * - Rearranged some code * - Use extended sense on drives that support it for * correctly reporting tray status -- from * Michael D Johnson * 4.60 Dec 17, 2003 - Add mt rainier support * - Bump timeout for packet commands, matches sr * - Odd stuff * 4.61 Jan 22, 2004 - support hardware sector sizes other than 2kB, * Pascal Schmidt */