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linux/Documentation/ide/ChangeLog.ide-cd.1994-2004
Bartlomiej Zolnierkiewicz 03553353e9 ide-cd: move historical changelog to Documentation/ide/ChangeLog.ide-cd.1994-2004 
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-02-01 23:09:18 +01:00

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/*
* 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 <cwsaw@pts7.pts.mot.com> 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 <srh@gpt.co.uk> 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 <dietze@aix520.informatik.uni-leipzig.de>).
* 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 <heiko@colossus.escape.de>
* to remove redundant verify_area calls.
* 3.12 May 7, 1996 -- Rudimentary changer support. Based on patches
* from Gerhard Zuber <zuber@berlin.snafu.de>.
* 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 <hennus@sky.ow.nl>.)
* 3.15 July 2, 1996 -- Added support for Sanyo 3 CD changers
* from Ben Galliart <bgallia@luc.edu> with
* special help from Jeff Lightfoot
* <jeffml@pobox.com>
* 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 <andersee@debian.org>
* -- 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 <gadio@netvision.net.il>
* 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
* <jelle@scintilla.utwente.nl>, a patch for 2.0.33
* by Toni Giorgino <toni@pcape2.pi.infn.it>, 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 mechine endianess,
* patch thanks to "Eddie C. Dost" <ecd@skynet.be>
*
* 4.50 Oct 19, 1998 -- New maintainers!
* Jens Axboe <axboe@image.dk>
* Chris Zwilling <chris@cloudnet.com>
*
* 4.51 Dec 23, 1998 -- Jens Axboe <axboe@image.dk>
* - ide_cdrom_reset enabled since the ide subsystem
* handles resets fine now. <axboe@image.dk>
* - Transfer size fix for Samsung CD-ROMs, thanks to
* "Ville Hallik" <ville.hallik@mail.ee>.
* - other minor stuff.
*
* 4.52 Jan 19, 1999 -- Jens Axboe <axboe@image.dk>
* - 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 <heiko@colossus.escape.de> supplied
* some fixes for CDI.
* - CD-ROM leaving door locked fix from Andries
* Brouwer <Andries.Brouwer@cwi.nl>
* - Erik Andersen <andersen@xmission.com> 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 <johnsom@orst.edu>
* 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 <der.eremit@email.de>
*/
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