| blob | 190d17bfff6245282d3fa9cc0f2bad3e4e02eb17 |
1 /*
2 * 1.00 Oct 31, 1994 -- Initial version.
3 * 1.01 Nov 2, 1994 -- Fixed problem with starting request in
4 * cdrom_check_status.
5 * 1.03 Nov 25, 1994 -- leaving unmask_intr[] as a user-setting (as for disks)
6 * (from mlord) -- minor changes to cdrom_setup()
7 * -- renamed ide_dev_s to ide_drive_t, enable irq on command
8 * 2.00 Nov 27, 1994 -- Generalize packet command interface;
9 * add audio ioctls.
10 * 2.01 Dec 3, 1994 -- Rework packet command interface to handle devices
11 * which send an interrupt when ready for a command.
12 * 2.02 Dec 11, 1994 -- Cache the TOC in the driver.
13 * Don't use SCMD_PLAYAUDIO_TI; it's not included
14 * in the current version of ATAPI.
15 * Try to use LBA instead of track or MSF addressing
16 * when possible.
17 * Don't wait for READY_STAT.
18 * 2.03 Jan 10, 1995 -- Rewrite block read routines to handle block sizes
19 * other than 2k and to move multiple sectors in a
20 * single transaction.
21 * 2.04 Apr 21, 1995 -- Add work-around for Creative Labs CD220E drives.
22 * Thanks to Nick Saw <cwsaw@pts7.pts.mot.com> for
23 * help in figuring this out. Ditto for Acer and
24 * Aztech drives, which seem to have the same problem.
25 * 2.04b May 30, 1995 -- Fix to match changes in ide.c version 3.16 -ml
26 * 2.05 Jun 8, 1995 -- Don't attempt to retry after an illegal request
27 * or data protect error.
28 * Use HWIF and DEV_HWIF macros as in ide.c.
29 * Always try to do a request_sense after
30 * a failed command.
31 * Include an option to give textual descriptions
32 * of ATAPI errors.
33 * Fix a bug in handling the sector cache which
34 * showed up if the drive returned data in 512 byte
35 * blocks (like Pioneer drives). Thanks to
36 * Richard Hirst <srh@gpt.co.uk> for diagnosing this.
37 * Properly supply the page number field in the
38 * MODE_SELECT command.
39 * PLAYAUDIO12 is broken on the Aztech; work around it.
40 * 2.05x Aug 11, 1995 -- lots of data structure renaming/restructuring in ide.c
41 * (my apologies to Scott, but now ide-cd.c is independent)
42 * 3.00 Aug 22, 1995 -- Implement CDROMMULTISESSION ioctl.
43 * Implement CDROMREADAUDIO ioctl (UNTESTED).
44 * Use input_ide_data() and output_ide_data().
45 * Add door locking.
46 * Fix usage count leak in cdrom_open, which happened
47 * when a read-write mount was attempted.
48 * Try to load the disk on open.
49 * Implement CDROMEJECT_SW ioctl (off by default).
50 * Read total cdrom capacity during open.
51 * Rearrange logic in cdrom_decode_status. Issue
52 * request sense commands for failed packet commands
53 * from here instead of from cdrom_queue_packet_command.
54 * Fix a race condition in retrieving error information.
55 * Suppress printing normal unit attention errors and
56 * some drive not ready errors.
57 * Implement CDROMVOLREAD ioctl.
58 * Implement CDROMREADMODE1/2 ioctls.
59 * Fix race condition in setting up interrupt handlers
60 * when the `serialize' option is used.
61 * 3.01 Sep 2, 1995 -- Fix ordering of reenabling interrupts in
62 * cdrom_queue_request.
63 * Another try at using ide_[input,output]_data.
64 * 3.02 Sep 16, 1995 -- Stick total disk capacity in partition table as well.
65 * Make VERBOSE_IDE_CD_ERRORS dump failed command again.
66 * Dump out more information for ILLEGAL REQUEST errs.
67 * Fix handling of errors occurring before the
68 * packet command is transferred.
69 * Fix transfers with odd bytelengths.
70 * 3.03 Oct 27, 1995 -- Some Creative drives have an id of just `CD'.
71 * `DCI-2S10' drives are broken too.
72 * 3.04 Nov 20, 1995 -- So are Vertos drives.
73 * 3.05 Dec 1, 1995 -- Changes to go with overhaul of ide.c and ide-tape.c
74 * 3.06 Dec 16, 1995 -- Add support needed for partitions.
75 * More workarounds for Vertos bugs (based on patches
76 * from Holger Dietze <dietze@aix520.informatik.uni-leipzig.de>).
77 * Try to eliminate byteorder assumptions.
78 * Use atapi_cdrom_subchnl struct definition.
79 * Add STANDARD_ATAPI compilation option.
80 * 3.07 Jan 29, 1996 -- More twiddling for broken drives: Sony 55D,
81 * Vertos 300.
82 * Add NO_DOOR_LOCKING configuration option.
83 * Handle drive_cmd requests w/NULL args (for hdparm -t).
84 * Work around sporadic Sony55e audio play problem.
85 * 3.07a Feb 11, 1996 -- check drive->id for NULL before dereferencing, to fix
86 * problem with "hde=cdrom" with no drive present. -ml
87 * 3.08 Mar 6, 1996 -- More Vertos workarounds.
88 * 3.09 Apr 5, 1996 -- Add CDROMCLOSETRAY ioctl.
89 * Switch to using MSF addressing for audio commands.
90 * Reformat to match kernel tabbing style.
91 * Add CDROM_GET_UPC ioctl.
92 * 3.10 Apr 10, 1996 -- Fix compilation error with STANDARD_ATAPI.
93 * 3.11 Apr 29, 1996 -- Patch from Heiko Eißfeldt <heiko@colossus.escape.de>
94 * to remove redundant verify_area calls.
95 * 3.12 May 7, 1996 -- Rudimentary changer support. Based on patches
96 * from Gerhard Zuber <zuber@berlin.snafu.de>.
97 * Let open succeed even if there's no loaded disc.
98 * 3.13 May 19, 1996 -- Fixes for changer code.
99 * 3.14 May 29, 1996 -- Add work-around for Vertos 600.
100 * (From Hennus Bergman <hennus@sky.ow.nl>.)
101 * 3.15 July 2, 1996 -- Added support for Sanyo 3 CD changers
102 * from Ben Galliart <bgallia@luc.edu> with
103 * special help from Jeff Lightfoot
104 * <jeffml@pobox.com>
105 * 3.15a July 9, 1996 -- Improved Sanyo 3 CD changer identification
106 * 3.16 Jul 28, 1996 -- Fix from Gadi to reduce kernel stack usage for ioctl.
107 * 3.17 Sep 17, 1996 -- Tweak audio reads for some drives.
108 * Start changing CDROMLOADFROMSLOT to CDROM_SELECT_DISC.
109 * 3.18 Oct 31, 1996 -- Added module and DMA support.
110 *
111 * 4.00 Nov 5, 1996 -- New ide-cd maintainer,
112 * Erik B. Andersen <andersee@debian.org>
113 * -- Newer Creative drives don't always set the error
114 * register correctly. Make sure we see media changes
115 * regardless.
116 * -- Integrate with generic cdrom driver.
117 * -- CDROMGETSPINDOWN and CDROMSETSPINDOWN ioctls, based on
118 * a patch from Ciro Cattuto <>.
119 * -- Call set_device_ro.
120 * -- Implement CDROMMECHANISMSTATUS and CDROMSLOTTABLE
121 * ioctls, based on patch by Erik Andersen
122 * -- Add some probes of drive capability during setup.
123 *
124 * 4.01 Nov 11, 1996 -- Split into ide-cd.c and ide-cd.h
125 * -- Removed CDROMMECHANISMSTATUS and CDROMSLOTTABLE
126 * ioctls in favor of a generalized approach
127 * using the generic cdrom driver.
128 * -- Fully integrated with the 2.1.X kernel.
129 * -- Other stuff that I forgot (lots of changes)
130 *
131 * 4.02 Dec 01, 1996 -- Applied patch from Gadi Oxman <gadio@netvision.net.il>
132 * to fix the drive door locking problems.
133 *
134 * 4.03 Dec 04, 1996 -- Added DSC overlap support.
135 * 4.04 Dec 29, 1996 -- Added CDROMREADRAW ioclt based on patch
136 * by Ales Makarov (xmakarov@sun.felk.cvut.cz)
137 *
138 * 4.05 Nov 20, 1997 -- Modified to print more drive info on init
139 * Minor other changes
140 * Fix errors on CDROMSTOP (If you have a "Dolphin",
141 * you must define IHAVEADOLPHIN)
142 * Added identifier so new Sanyo CD-changer works
143 * Better detection if door locking isn't supported
144 *
145 * 4.06 Dec 17, 1997 -- fixed endless "tray open" messages -ml
146 * 4.07 Dec 17, 1997 -- fallback to set pc->stat on "tray open"
147 * 4.08 Dec 18, 1997 -- spew less noise when tray is empty
148 * -- fix speed display for ACER 24X, 18X
149 * 4.09 Jan 04, 1998 -- fix handling of the last block so we return
150 * an end of file instead of an I/O error (Gadi)
151 * 4.10 Jan 24, 1998 -- fixed a bug so now changers can change to a new
152 * slot when there is no disc in the current slot.
153 * -- Fixed a memory leak where info->changer_info was
154 * malloc'ed but never free'd when closing the device.
155 * -- Cleaned up the global namespace a bit by making more
156 * functions static that should already have been.
157 * 4.11 Mar 12, 1998 -- Added support for the CDROM_SELECT_SPEED ioctl
158 * based on a patch for 2.0.33 by Jelle Foks
159 * <jelle@scintilla.utwente.nl>, a patch for 2.0.33
160 * by Toni Giorgino <toni@pcape2.pi.infn.it>, the SCSI
161 * version, and my own efforts. -erik
162 * -- Fixed a stupid bug which egcs was kind enough to
163 * inform me of where "Illegal mode for this track"
164 * was never returned due to a comparison on data
165 * types of limited range.
166 * 4.12 Mar 29, 1998 -- Fixed bug in CDROM_SELECT_SPEED so write speed is
167 * now set ionly for CD-R and CD-RW drives. I had
168 * removed this support because it produced errors.
169 * It produced errors _only_ for non-writers. duh.
170 * 4.13 May 05, 1998 -- Suppress useless "in progress of becoming ready"
171 * messages, since this is not an error.
172 * -- Change error messages to be const
173 * -- Remove a "\t" which looks ugly in the syslogs
174 * 4.14 July 17, 1998 -- Change to pointing to .ps version of ATAPI spec
175 * since the .pdf version doesn't seem to work...
176 * -- Updated the TODO list to something more current.
177 *
178 * 4.15 Aug 25, 1998 -- Updated ide-cd.h to respect mechine endianess,
179 * patch thanks to "Eddie C. Dost" <ecd@skynet.be>
180 *
181 * 4.50 Oct 19, 1998 -- New maintainers!
182 * Jens Axboe <axboe@image.dk>
183 * Chris Zwilling <chris@cloudnet.com>
184 *
185 * 4.51 Dec 23, 1998 -- Jens Axboe <axboe@image.dk>
186 * - ide_cdrom_reset enabled since the ide subsystem
187 * handles resets fine now. <axboe@image.dk>
188 * - Transfer size fix for Samsung CD-ROMs, thanks to
189 * "Ville Hallik" <ville.hallik@mail.ee>.
190 * - other minor stuff.
191 *
192 * 4.52 Jan 19, 1999 -- Jens Axboe <axboe@image.dk>
193 * - Detect DVD-ROM/RAM drives
194 *
195 * 4.53 Feb 22, 1999 - Include other model Samsung and one Goldstar
196 * drive in transfer size limit.
197 * - Fix the I/O error when doing eject without a medium
198 * loaded on some drives.
199 * - CDROMREADMODE2 is now implemented through
200 * CDROMREADRAW, since many drives don't support
201 * MODE2 (even though ATAPI 2.6 says they must).
202 * - Added ignore parameter to ide-cd (as a module), eg
203 * insmod ide-cd ignore='hda hdb'
204 * Useful when using ide-cd in conjunction with
205 * ide-scsi. TODO: non-modular way of doing the
206 * same.
207 *
208 * 4.54 Aug 5, 1999 - Support for MMC2 class commands through the generic
209 * packet interface to cdrom.c.
210 * - Unified audio ioctl support, most of it.
211 * - cleaned up various deprecated verify_area().
212 * - Added ide_cdrom_packet() as the interface for
213 * the Uniform generic_packet().
214 * - bunch of other stuff, will fill in logs later.
215 * - report 1 slot for non-changers, like the other
216 * cd-rom drivers. don't report select disc for
217 * non-changers as well.
218 * - mask out audio playing, if the device can't do it.
219 *
220 * 4.55 Sep 1, 1999 - Eliminated the rest of the audio ioctls, except
221 * for CDROMREADTOC[ENTRY|HEADER]. Some of the drivers
222 * use this independently of the actual audio handling.
223 * They will disappear later when I get the time to
224 * do it cleanly.
225 * - Minimize the TOC reading - only do it when we
226 * know a media change has occurred.
227 * - Moved all the CDROMREADx ioctls to the Uniform layer.
228 * - Heiko Eißfeldt <heiko@colossus.escape.de> supplied
229 * some fixes for CDI.
230 * - CD-ROM leaving door locked fix from Andries
231 * Brouwer <Andries.Brouwer@cwi.nl>
232 * - Erik Andersen <andersen@xmission.com> unified
233 * commands across the various drivers and how
234 * sense errors are handled.
235 *
236 * 4.56 Sep 12, 1999 - Removed changer support - it is now in the
237 * Uniform layer.
238 * - Added partition based multisession handling.
239 * - Mode sense and mode select moved to the
240 * Uniform layer.
241 * - Fixed a problem with WPI CDS-32X drive - it
242 * failed the capabilities
243 *
244 * 4.57 Apr 7, 2000 - Fixed sense reporting.
245 * - Fixed possible oops in ide_cdrom_get_last_session()
246 * - Fix locking mania and make ide_cdrom_reset relock
247 * - Stop spewing errors to log when magicdev polls with
248 * TEST_UNIT_READY on some drives.
249 * - Various fixes from Tobias Ringstrom:
250 * tray if it was locked prior to the reset.
251 * - cdrom_read_capacity returns one frame too little.
252 * - Fix real capacity reporting.
253 *
254 * 4.58 May 1, 2000 - Clean up ACER50 stuff.
255 * - Fix small problem with ide_cdrom_capacity
256 *
257 * 4.59 Aug 11, 2000 - Fix changer problem in cdrom_read_toc, we weren't
258 * correctly sensing a disc change.
259 * - Rearranged some code
260 * - Use extended sense on drives that support it for
261 * correctly reporting tray status -- from
262 * Michael D Johnson <johnsom@orst.edu>
263 * 4.60 Dec 17, 2003 - Add mt rainier support
264 * - Bump timeout for packet commands, matches sr
265 * - Odd stuff
266 * 4.61 Jan 22, 2004 - support hardware sector sizes other than 2kB,
267 * Pascal Schmidt <der.eremit@email.de>
268 */