diff options
Diffstat (limited to 'drivers/ide/ide-cd.c')
| -rw-r--r-- | drivers/ide/ide-cd.c | 2389 |
1 files changed, 551 insertions, 1838 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 57a5f63d6ae..ee4d458e2bb 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1,14 +1,14 @@ /* - * linux/drivers/ide/ide-cd.c + * ATAPI CD-ROM driver. * - * Copyright (C) 1994, 1995, 1996 scott snyder <snyder@fnald0.fnal.gov> - * Copyright (C) 1996-1998 Erik Andersen <andersee@debian.org> - * Copyright (C) 1998-2000 Jens Axboe <axboe@suse.de> + * Copyright (C) 1994-1996 Scott Snyder <snyder@fnald0.fnal.gov> + * Copyright (C) 1996-1998 Erik Andersen <andersee@debian.org> + * Copyright (C) 1998-2000 Jens Axboe <axboe@suse.de> + * Copyright (C) 2005, 2007 Bartlomiej Zolnierkiewicz * * May be copied or modified under the terms of the GNU General Public * License. See linux/COPYING for more information. * - * ATAPI CD-ROM driver. To be used with ide.c. * See Documentation/cdrom/ide-cd for usage information. * * Suggestions are welcome. Patches that work are more welcome though. ;-) @@ -19,287 +19,11 @@ * ftp://fission.dt.wdc.com/pub/standards/SFF_atapi/spec/SFF8020-r2.6/PS/8020r26.ps * ftp://ftp.avc-pioneer.com/Mtfuji4/Spec/Fuji4r10.pdf * - * Drives that deviate from these standards will be accommodated as much - * as possible via compile time or command-line options. Since I only have - * a few drives, you generally need to send me patches... - * - * ---------------------------------- - * TO DO LIST: - * -Make it so that Pioneer CD DR-A24X and friends don't get screwed up on - * boot - * - * ---------------------------------- - * 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> - * - *************************************************************************/ - -#define IDECD_VERSION "4.61" + * For historical changelog please see: + * Documentation/ide/ChangeLog.ide-cd.1994-2004 + */ + +#define IDECD_VERSION "5.00" #include <linux/module.h> #include <linux/types.h> @@ -313,6 +37,7 @@ #include <linux/ide.h> #include <linux/completion.h> #include <linux/mutex.h> +#include <linux/bcd.h> #include <scsi/scsi.h> /* For SCSI -> ATAPI command conversion */ @@ -360,11 +85,11 @@ static void ide_cd_put(struct cdrom_info *cd) buffers. */ static void cdrom_saw_media_change (ide_drive_t *drive) { - struct cdrom_info *info = drive->driver_data; - - CDROM_STATE_FLAGS (drive)->media_changed = 1; - CDROM_STATE_FLAGS (drive)->toc_valid = 0; - info->nsectors_buffered = 0; + struct cdrom_info *cd = drive->driver_data; + + cd->cd_flags |= IDE_CD_FLAG_MEDIA_CHANGED; + cd->cd_flags &= ~IDE_CD_FLAG_TOC_VALID; + cd->nsectors_buffered = 0; } static int cdrom_log_sense(ide_drive_t *drive, struct request *rq, @@ -465,134 +190,14 @@ void cdrom_analyze_sense_data(ide_drive_t *drive, } } } -#if VERBOSE_IDE_CD_ERRORS - { - int i; - const char *s = "bad sense key!"; - char buf[80]; - - printk ("ATAPI device %s:\n", drive->name); - if (sense->error_code==0x70) - printk(" Error: "); - else if (sense->error_code==0x71) - printk(" Deferred Error: "); - else if (sense->error_code == 0x7f) - printk(" Vendor-specific Error: "); - else - printk(" Unknown Error Type: "); - - if (sense->sense_key < ARRAY_SIZE(sense_key_texts)) - s = sense_key_texts[sense->sense_key]; - - printk("%s -- (Sense key=0x%02x)\n", s, sense->sense_key); - - if (sense->asc == 0x40) { - sprintf(buf, "Diagnostic failure on component 0x%02x", - sense->ascq); - s = buf; - } else { - int lo = 0, mid, hi = ARRAY_SIZE(sense_data_texts); - unsigned long key = (sense->sense_key << 16); - key |= (sense->asc << 8); - if (!(sense->ascq >= 0x80 && sense->ascq <= 0xdd)) - key |= sense->ascq; - s = NULL; - - while (hi > lo) { - mid = (lo + hi) / 2; - if (sense_data_texts[mid].asc_ascq == key || - sense_data_texts[mid].asc_ascq == (0xff0000|key)) { - s = sense_data_texts[mid].text; - break; - } - else if (sense_data_texts[mid].asc_ascq > key) - hi = mid; - else - lo = mid+1; - } - } - - if (s == NULL) { - if (sense->asc > 0x80) - s = "(vendor-specific error)"; - else - s = "(reserved error code)"; - } - - printk(KERN_ERR " %s -- (asc=0x%02x, ascq=0x%02x)\n", - s, sense->asc, sense->ascq); - - if (failed_command != NULL) { - - int lo=0, mid, hi= ARRAY_SIZE(packet_command_texts); - s = NULL; - - while (hi > lo) { - mid = (lo + hi) / 2; - if (packet_command_texts[mid].packet_command == - failed_command->cmd[0]) { - s = packet_command_texts[mid].text; - break; - } - if (packet_command_texts[mid].packet_command > - failed_command->cmd[0]) - hi = mid; - else - lo = mid+1; - } - - printk (KERN_ERR " The failed \"%s\" packet command was: \n \"", s); - for (i=0; i<sizeof (failed_command->cmd); i++) - printk ("%02x ", failed_command->cmd[i]); - printk ("\"\n"); - } - - /* The SKSV bit specifies validity of the sense_key_specific - * in the next two commands. It is bit 7 of the first byte. - * In the case of NOT_READY, if SKSV is set the drive can - * give us nice ETA readings. - */ - if (sense->sense_key == NOT_READY && (sense->sks[0] & 0x80)) { - int progress = (sense->sks[1] << 8 | sense->sks[2]) * 100; - printk(KERN_ERR " Command is %02d%% complete\n", progress / 0xffff); - - } - - if (sense->sense_key == ILLEGAL_REQUEST && - (sense->sks[0] & 0x80) != 0) { - printk(KERN_ERR " Error in %s byte %d", - (sense->sks[0] & 0x40) != 0 ? - "command packet" : "command data", - (sense->sks[1] << 8) + sense->sks[2]); - if ((sense->sks[0] & 0x40) != 0) - printk (" bit %d", sense->sks[0] & 0x07); - - printk ("\n"); - } - } - -#else /* not VERBOSE_IDE_CD_ERRORS */ - - /* Suppress printing unit attention and `in progress of becoming ready' - errors when we're not being verbose. */ - - if (sense->sense_key == UNIT_ATTENTION || - (sense->sense_key == NOT_READY && (sense->asc == 4 || - sense->asc == 0x3a))) - return; - - printk(KERN_ERR "%s: error code: 0x%02x sense_key: 0x%02x asc: 0x%02x ascq: 0x%02x\n", - drive->name, - sense->error_code, sense->sense_key, - sense->asc, sense->ascq); -#endif /* not VERBOSE_IDE_CD_ERRORS */ + ide_cd_log_error(drive->name, failed_command, sense); } /* * Initialize a ide-cd packet command request */ -static void cdrom_prepare_request(ide_drive_t *drive, struct request *rq) +void ide_cd_init_rq(ide_drive_t *drive, struct request *rq) { struct cdrom_info *cd = drive->driver_data; @@ -611,7 +216,7 @@ static void cdrom_queue_request_sense(ide_drive_t *drive, void *sense, sense = &info->sense_data; /* stuff the sense request in front of our current request */ - cdrom_prepare_request(drive, rq); + ide_cd_init_rq(drive, rq); rq->data = sense; rq->cmd[0] = GPCMD_REQUEST_SENSE; @@ -655,9 +260,9 @@ static void cdrom_end_request (ide_drive_t *drive, int uptodate) BUG(); } else { spin_lock_irqsave(&ide_lock, flags); - end_that_request_chunk(failed, 0, - failed->data_len); - end_that_request_last(failed, 0); + if (__blk_end_request(failed, -EIO, + failed->data_len)) + BUG(); spin_unlock_irqrestore(&ide_lock, flags); } } else @@ -718,7 +323,6 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) } else if (blk_pc_request(rq) || rq->cmd_type == REQ_TYPE_ATA_PC) { /* All other functions, except for READ. */ - unsigned long flags; /* * if we have an error, pass back CHECK_CONDITION as the @@ -756,15 +360,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) * remove failed request completely and end it when the * request sense has completed */ - if (stat & ERR_STAT) { - spin_lock_irqsave(&ide_lock, flags); - blkdev_dequeue_request(rq); - HWGROUP(drive)->rq = NULL; - spin_unlock_irqrestore(&ide_lock, flags); - - cdrom_queue_request_sense(drive, rq->sense, rq); - } else - cdrom_end_request(drive, 0); + goto end_request; } else if (blk_fs_request(rq)) { int do_end_request = 0; @@ -844,23 +440,15 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) sense data. We need this in order to perform end of media processing */ - if (do_end_request) { - if (stat & ERR_STAT) { - unsigned long flags; - spin_lock_irqsave(&ide_lock, flags); - blkdev_dequeue_request(rq); - HWGROUP(drive)->rq = NULL; - spin_unlock_irqrestore(&ide_lock, flags); + if (do_end_request) + goto end_request; - cdrom_queue_request_sense(drive, rq->sense, rq); - } else - cdrom_end_request(drive, 0); - } else { - /* If we got a CHECK_CONDITION status, - queue a request sense command. */ - if (stat & ERR_STAT) - cdrom_queue_request_sense(drive, NULL, NULL); - } + /* + * If we got a CHECK_CONDITION status, + * queue a request sense command. + */ + if (stat & ERR_STAT) + cdrom_queue_request_sense(drive, NULL, NULL); } else { blk_dump_rq_flags(rq, "ide-cd: bad rq"); cdrom_end_request(drive, 0); @@ -868,6 +456,21 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret) /* Retry, or handle the next request. */ return 1; + +end_request: + if (stat & ERR_STAT) { + unsigned long flags; + + spin_lock_irqsave(&ide_lock, flags); + blkdev_dequeue_request(rq); + HWGROUP(drive)->rq = NULL; + spin_unlock_irqrestore(&ide_lock, flags); + + cdrom_queue_request_sense(drive, rq->sense, rq); + } else + cdrom_end_request(drive, 0); + + return 1; } static int cdrom_timer_expiry(ide_drive_t *drive) @@ -917,21 +520,15 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive, if (ide_wait_stat(&startstop, drive, 0, BUSY_STAT, WAIT_READY)) return startstop; + /* FIXME: for Virtual DMA we must check harder */ if (info->dma) info->dma = !hwif->dma_setup(drive); /* Set up the controller registers. */ - /* FIXME: for Virtual DMA we must check harder */ - HWIF(drive)->OUTB(info->dma, IDE_FEATURE_REG); - HWIF(drive)->OUTB(0, IDE_IREASON_REG); - HWIF(drive)->OUTB(0, IDE_SECTOR_REG); - - HWIF(drive)->OUTB(xferlen & 0xff, IDE_BCOUNTL_REG); - HWIF(drive)->OUTB(xferlen >> 8 , IDE_BCOUNTH_REG); - if (IDE_CONTROL_REG) - HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG); - - if (CDROM_CONFIG_FLAGS (drive)->drq_interrupt) { + ide_pktcmd_tf_load(drive, IDE_TFLAG_OUT_NSECT | IDE_TFLAG_OUT_LBAL | + IDE_TFLAG_NO_SELECT_MASK, xferlen, info->dma); + + if (info->cd_flags & IDE_CD_FLAG_DRQ_INTERRUPT) { /* waiting for CDB interrupt, not DMA yet. */ if (info->dma) drive->waiting_for_dma = 0; @@ -957,10 +554,6 @@ static ide_startstop_t cdrom_start_packet_command(ide_drive_t *drive, by cdrom_start_packet_command. HANDLER is the interrupt handler to call when the command completes or there's data ready. */ -/* - * changed 5 parameters to 3 for dvd-ram - * struct packet_command *pc; now packet_command_t *pc; - */ #define ATAPI_MIN_CDB_BYTES 12 static ide_startstop_t cdrom_transfer_packet_command (ide_drive_t *drive, struct request *rq, @@ -971,7 +564,7 @@ static ide_startstop_t cdrom_transfer_packet_command (ide_drive_t *drive, struct cdrom_info *info = drive->driver_data; ide_startstop_t startstop; - if (CDROM_CONFIG_FLAGS(drive)->drq_interrupt) { + if (info->cd_flags & IDE_CD_FLAG_DRQ_INTERRUPT) { /* Here we should have been called after receiving an interrupt from the device. DRQ should how be set. */ @@ -1011,6 +604,25 @@ static ide_startstop_t cdrom_transfer_packet_command (ide_drive_t *drive, * Block read functions. */ +static void ide_cd_pad_transfer(ide_drive_t *drive, xfer_func_t *xf, int len) +{ + while (len > 0) { + int dum = 0; + xf(drive, &dum, sizeof(dum)); + len -= sizeof(dum); + } +} + +static void ide_cd_drain_data(ide_drive_t *drive, int nsects) +{ + while (nsects > 0) { + static char dum[SECTOR_SIZE]; + + drive->hwif->atapi_input_bytes(drive, dum, sizeof(dum)); + nsects--; + } +} + /* * Buffer up to SECTORS_TO_TRANSFER sectors from the drive in our sector * buffer. Once the first sector is added, any subsequent sectors are @@ -1049,11 +661,7 @@ static void cdrom_buffer_sectors (ide_drive_t *drive, unsigned long sector, } /* Throw away any remaining data. */ - while (sectors_to_transfer > 0) { - static char dum[SECTOR_SIZE]; - HWIF(drive)->atapi_input_bytes(drive, dum, sizeof (dum)); - --sectors_to_transfer; - } + ide_cd_drain_data(drive, sectors_to_transfer); } /* @@ -1062,23 +670,25 @@ static void cdrom_buffer_sectors (ide_drive_t *drive, unsigned long sector, * ok; nonzero if the request has been terminated. */ static -int cdrom_read_check_ireason (ide_drive_t *drive, int len, int ireason) +int ide_cd_check_ireason(ide_drive_t *drive, int len, int ireason, int rw) { - if (ireason == 2) + /* + * ireason == 0: the drive wants to receive data from us + * ireason == 2: the drive is expecting to transfer data to us + */ + if (ireason == (!rw << 1)) return 0; - else if (ireason == 0) { - /* Whoops... The drive is expecting to receive data from us! */ - printk(KERN_ERR "%s: read_intr: Drive wants to transfer data the " - "wrong way!\n", drive->name); - - /* Throw some data at the drive so it doesn't hang - and quit this request. */ - while (len > 0) { - int dum = 0; - HWIF(drive)->atapi_output_bytes(drive, &dum, sizeof (dum)); - len -= sizeof (dum); - } - } else if (ireason == 1) { + else if (ireason == (rw << 1)) { + ide_hwif_t *hwif = drive->hwif; + xfer_func_t *xf; + + /* Whoops... */ + printk(KERN_ERR "%s: %s: wrong transfer direction!\n", + drive->name, __FUNCTION__); + + xf = rw ? hwif->atapi_output_bytes : hwif->atapi_input_bytes; + ide_cd_pad_transfer(drive, xf, len); + } else if (rw == 0 && ireason == 1) { /* Some drives (ASUS) seem to tell us that status * info is available. just get it and ignore. */ @@ -1086,8 +696,8 @@ int cdrom_read_check_ireason (ide_drive_t *drive, int len, int ireason) return 0; } else { /* Drive wants a command packet, or invalid ireason... */ - printk(KERN_ERR "%s: read_intr: bad interrupt reason %x\n", drive->name, - ireason); + printk(KERN_ERR "%s: %s: bad interrupt reason 0x%02x\n", + drive->name, __FUNCTION__, ireason); } cdrom_end_request(drive, 0); @@ -1095,134 +705,28 @@ int cdrom_read_check_ireason (ide_drive_t *drive, int len, int ireason) } /* - * Interrupt routine. Called when a read request has completed. + * Assume that the drive will always provide data in multiples of at least + * SECTOR_SIZE, as it gets hairy to keep track of the transfers otherwise. */ -static ide_startstop_t cdrom_read_intr (ide_drive_t *drive) +static int ide_cd_check_transfer_size(ide_drive_t *drive, int len) { - int stat; - int ireason, len, sectors_to_transfer, nskip; - struct cdrom_info *info = drive->driver_data; - u8 lowcyl = 0, highcyl = 0; - int dma = info->dma, dma_error = 0; - - struct request *rq = HWGROUP(drive)->rq; - - /* - * handle dma case - */ - if (dma) { - info->dma = 0; - if ((dma_error = HWIF(drive)->ide_dma_end(drive))) - ide_dma_off(drive); - } - - if (cdrom_decode_status(drive, 0, &stat)) - return ide_stopped; - - if (dma) { - if (!dma_error) { - ide_end_request(drive, 1, rq->nr_sectors); - return ide_stopped; - } else - return ide_error(drive, "dma error", stat); - } - - /* Read the interrupt reason and the transfer length. */ - ireason = HWIF(drive)->INB(IDE_IREASON_REG) & 0x3; - lowcyl = HWIF(drive)->INB(IDE_BCOUNTL_REG); - highcyl = HWIF(drive)->INB(IDE_BCOUNTH_REG); - - len = lowcyl + (256 * highcyl); - - /* If DRQ is clear, the command has completed. */ - if ((stat & DRQ_STAT) == 0) { - /* If we're not done filling the current buffer, complain. - Otherwise, complete the command normally. */ - if (rq->current_nr_sectors > 0) { - printk (KERN_ERR "%s: cdrom_read_intr: data underrun (%d blocks)\n", - drive->name, rq->current_nr_sectors); - rq->cmd_flags |= REQ_FAILED; - cdrom_end_request(drive, 0); - } else - cdrom_end_request(drive, 1); - return ide_stopped; - } - - /* Check that the drive is expecting to do the same thing we are. */ - if (cdrom_read_check_ireason (drive, len, ireason)) - return ide_stopped; - - /* Assume that the drive will always provide data in multiples - of at least SECTOR_SIZE, as it gets hairy to keep track - of the transfers otherwise. */ - if ((len % SECTOR_SIZE) != 0) { - printk (KERN_ERR "%s: cdrom_read_intr: Bad transfer size %d\n", - drive->name, len); - if (CDROM_CONFIG_FLAGS(drive)->limit_nframes) - printk (KERN_ERR " This drive is not supported by this version of the driver\n"); - else { - printk (KERN_ERR " Trying to limit transfer sizes\n"); - CDROM_CONFIG_FLAGS(drive)->limit_nframes = 1; - } - cdrom_end_request(drive, 0); - return ide_stopped; - } - - /* The number of sectors we need to read from the drive. */ - sectors_to_transfer = len / SECTOR_SIZE; - - /* First, figure out if we need to bit-bucket - any of the leading sectors. */ - nskip = min_t(int, rq->current_nr_sectors - bio_cur_sectors(rq->bio), sectors_to_transfer); - - while (nskip > 0) { - /* We need to throw away a sector. */ - static char dum[SECTOR_SIZE]; - HWIF(drive)->atapi_input_bytes(drive, dum, sizeof (dum)); + struct cdrom_info *cd = drive->driver_data; - --rq->current_nr_sectors; - --nskip; - --sectors_to_transfer; - } + if ((len % SECTOR_SIZE) == 0) + return 0; - /* Now loop while we still have data to read from the drive. */ - while (sectors_to_transfer > 0) { - int this_transfer; + printk(KERN_ERR "%s: %s: Bad transfer size %d\n", + drive->name, __FUNCTION__, len); - /* If we've filled the present buffer but there's another - chained buffer after it, move on. */ - if (rq->current_nr_sectors == 0 && rq->nr_sectors) - cdrom_end_request(drive, 1); - - /* If the buffers are full, cache the rest of the data in our - internal buffer. */ - if (rq->current_nr_sectors == 0) { - cdrom_buffer_sectors(drive, rq->sector, sectors_to_transfer); - sectors_to_transfer = 0; - } else { - /* Transfer data to the buffers. - Figure out how many sectors we can transfer - to the current buffer. */ - this_transfer = min_t(int, sectors_to_transfer, - rq->current_nr_sectors); - - /* Read this_transfer sectors - into the current buffer. */ - while (this_transfer > 0) { - HWIF(drive)->atapi_input_bytes(drive, rq->buffer, SECTOR_SIZE); - rq->buffer += SECTOR_SIZE; - --rq->nr_sectors; - --rq->current_nr_sectors; - ++rq->sector; - --this_transfer; - --sectors_to_transfer; - } - } + if (cd->cd_flags & IDE_CD_FLAG_LIMIT_NFRAMES) + printk(KERN_ERR " This drive is not supported by " + "this version of the driver\n"); + else { + printk(KERN_ERR " Trying to limit transfer sizes\n"); + cd->cd_flags |= IDE_CD_FLAG_LIMIT_NFRAMES; } - /* Done moving data! Wait for another interrupt. */ - ide_set_handler(drive, &cdrom_read_intr, ATAPI_WAIT_PC, NULL); - return ide_started; + return 1; } /* @@ -1284,48 +788,58 @@ static int cdrom_read_from_buffer (ide_drive_t *drive) return 0; } +static ide_startstop_t cdrom_newpc_intr(ide_drive_t *); + /* - * Routine to send a read packet command to the drive. - * This is usually called directly from cdrom_start_read. + * Routine to send a read/write packet command to the drive. + * This is usually called directly from cdrom_start_{read,write}(). * However, for drq_interrupt devices, it is called from an interrupt * when the drive is ready to accept the command. */ -static ide_startstop_t cdrom_start_read_continuation (ide_drive_t *drive) +static ide_startstop_t cdrom_start_rw_cont(ide_drive_t *drive) { struct request *rq = HWGROUP(drive)->rq; - unsigned short sectors_per_frame; - int nskip; - sectors_per_frame = queue_hardsect_size(drive->queue) >> SECTOR_BITS; + if (rq_data_dir(rq) == READ) { + unsigned short sectors_per_frame = + queue_hardsect_size(drive->queue) >> SECTOR_BITS; + int nskip = rq->sector & (sectors_per_frame - 1); - /* If the requested sector doesn't start on a cdrom block boundary, - we must adjust the start of the transfer so that it does, - and remember to skip the first few sectors. - If the CURRENT_NR_SECTORS field is larger than the size - of the buffer, it will mean that we're to skip a number - of sectors equal to the amount by which CURRENT_NR_SECTORS - is larger than the buffer size. */ - nskip = rq->sector & (sectors_per_frame - 1); - if (nskip > 0) { - /* Sanity check... */ - if (rq->current_nr_sectors != bio_cur_sectors(rq->bio) && - (rq->sector & (sectors_per_frame - 1))) { - printk(KERN_ERR "%s: cdrom_start_read_continuation: buffer botch (%u)\n", - drive->name, rq->current_nr_sectors); - cdrom_end_request(drive, 0); - return ide_stopped; + /* + * If the requested sector doesn't start on a frame boundary, + * we must adjust the start of the transfer so that it does, + * and remember to skip the first few sectors. + * + * If the rq->current_nr_sectors field is larger than the size + * of the buffer, it will mean that we're to skip a number of + * sectors equal to the amount by which rq->current_nr_sectors + * is larger than the buffer size. + */ + if (nskip > 0) { + /* Sanity check... */ + if (rq->current_nr_sectors != + bio_cur_sectors(rq->bio)) { + printk(KERN_ERR "%s: %s: buffer botch (%u)\n", + drive->name, __FUNCTION__, + rq->current_nr_sectors); + cdrom_end_request(drive, 0); + return ide_stopped; + } + rq->current_nr_sectors += nskip; } - rq->current_nr_sectors += nskip; } - +#if 0 + else + /* the immediate bit */ + rq->cmd[1] = 1 << 3; +#endif /* Set up the command */ rq->timeout = ATAPI_WAIT_PC; /* Send the command to the drive and return. */ - return cdrom_transfer_packet_command(drive, rq, &cdrom_read_intr); + return cdrom_transfer_packet_command(drive, rq, cdrom_newpc_intr); } - #define IDECD_SEEK_THRESHOLD (1000) /* 1000 blocks */ #define IDECD_SEEK_TIMER (5 * WAIT_MIN_SLEEP) /* 100 ms */ #define IDECD_SEEK_TIMEOUT (2 * WAIT_CMD) /* 20 sec */ @@ -1338,7 +852,8 @@ static ide_startstop_t cdrom_seek_intr (ide_drive_t *drive) if (cdrom_decode_status(drive, 0, &stat)) return ide_stopped; - CDROM_CONFIG_FLAGS(drive)->seeking = 1; + + info->cd_flags |= IDE_CD_FLAG_SEEKING; if (retry && time_after(jiffies, info->start_seek + IDECD_SEEK_TIMER)) { if (--retry == 0) { @@ -1394,184 +909,25 @@ static void restore_request (struct request *rq) rq->q->prep_rq_fn(rq->q, rq); } -/* - * Start a read request from the CD-ROM. - */ -static ide_startstop_t cdrom_start_read (ide_drive_t *drive, unsigned int block) -{ - struct cdrom_info *info = drive->driver_data; - struct request *rq = HWGROUP(drive)->rq; - unsigned short sectors_per_frame; - - sectors_per_frame = queue_hardsect_size(drive->queue) >> SECTOR_BITS; - - /* We may be retrying this request after an error. Fix up - any weirdness which might be present in the request packet. */ - restore_request(rq); - - /* Satisfy whatever we can of this request from our cached sector. */ - if (cdrom_read_from_buffer(drive)) - return ide_stopped; - - /* Clear the local sector buffer. */ - info->nsectors_buffered = 0; - - /* use dma, if possible. */ - info->dma = drive->using_dma; - if ((rq->sector & (sectors_per_frame - 1)) || - (rq->nr_sectors & (sectors_per_frame - 1))) - info->dma = 0; - - /* Start sending the read request to the drive. */ - return cdrom_start_packet_command(drive, 32768, cdrom_start_read_continuation); -} - /**************************************************************************** * Execute all other packet commands. */ -/* Interrupt routine for packet command completion. */ -static ide_startstop_t cdrom_pc_intr (ide_drive_t *drive) +static void ide_cd_request_sense_fixup(struct request *rq) { - int ireason, len, thislen; - struct request *rq = HWGROUP(drive)->rq; - u8 lowcyl = 0, highcyl = 0; - int stat; - - /* Check for errors. */ - if (cdrom_decode_status(drive, 0, &stat)) - return ide_stopped; - - /* Read the interrupt reason and the transfer length. */ - ireason = HWIF(drive)->INB(IDE_IREASON_REG); - lowcyl = HWIF(drive)->INB(IDE_BCOUNTL_REG); - highcyl = HWIF(drive)->INB(IDE_BCOUNTH_REG); - - len = lowcyl + (256 * highcyl); - - /* If DRQ is clear, the command has completed. - Complain if we still have data left to transfer. */ - if ((stat & DRQ_STAT) == 0) { - /* Some of the trailing request sense fields are optional, and - some drives don't send them. Sigh. */ - if (rq->cmd[0] == GPCMD_REQUEST_SENSE && - rq->data_len > 0 && - rq->data_len <= 5) { - while (rq->data_len > 0) { - *(unsigned char *)rq->data++ = 0; - --rq->data_len; - } - } - - if (rq->data_len == 0) - cdrom_end_request(drive, 1); - else { - /* Comment this out, because this always happens - right after a reset occurs, and it is annoying to - always print expected stuff. */ - /* - printk ("%s: cdrom_pc_intr: data underrun %d\n", - drive->name, pc->buflen); - */ - rq->cmd_flags |= REQ_FAILED; - cdrom_end_request(drive, 0); - } - return ide_stopped; - } - - /* Figure out how much data to transfer. */ - thislen = rq->data_len; - if (thislen > len) thislen = len; - - /* The drive wants to be written to. */ - if ((ireason & 3) == 0) { - if (!rq->data) { - blk_dump_rq_flags(rq, "cdrom_pc_intr, write"); - goto confused; - } - /* Transfer the data. */ - HWIF(drive)->atapi_output_bytes(drive, rq->data, thislen); - - /* If we haven't moved enough data to satisfy the drive, - add some padding. */ - while (len > thislen) { - int dum = 0; - HWIF(drive)->atapi_output_bytes(drive, &dum, sizeof(dum)); - len -= sizeof(dum); - } - - /* Keep count of how much data we've moved. */ - rq->data += thislen; - rq->data_len -= thislen; - } - - /* Same drill for reading. */ - else if ((ireason & 3) == 2) { - if (!rq->data) { - blk_dump_rq_flags(rq, "cdrom_pc_intr, write"); - goto confused; - } - /* Transfer the data. */ - HWIF(drive)->atapi_input_bytes(drive, rq->data, thislen); - - /* If we haven't moved enough data to satisfy the drive, - add some padding. */ - while (len > thislen) { - int dum = 0; - HWIF(drive)->atapi_input_bytes(drive, &dum, sizeof(dum)); - len -= sizeof(dum); + /* + * Some of the trailing request sense fields are optional, + * and some drives don't send them. Sigh. + */ + if (rq->cmd[0] == GPCMD_REQUEST_SENSE && + rq->data_len > 0 && rq->data_len <= 5) + while (rq->data_len > 0) { + *(u8 *)rq->data++ = 0; + --rq->data_len; } - - /* Keep count of how much data we've moved. */ - rq->data += thislen; - rq->data_len -= thislen; - - if (blk_sense_request(rq)) - rq->sense_len += thislen; - } else { -confused: - printk (KERN_ERR "%s: cdrom_pc_intr: The drive " - "appears confused (ireason = 0x%02x). " - "Trying to recover by ending request.\n", - drive->name, ireason); - rq->cmd_flags |= REQ_FAILED; - cdrom_end_request(drive, 0); - return ide_stopped; - } - - /* Now we wait for another interrupt. */ - ide_set_handler(drive, &cdrom_pc_intr, ATAPI_WAIT_PC, cdrom_timer_expiry); - return ide_started; -} - -static ide_startstop_t cdrom_do_pc_continuation (ide_drive_t *drive) -{ - struct request *rq = HWGROUP(drive)->rq; - - if (!rq->timeout) - rq->timeout = ATAPI_WAIT_PC; - - /* Send the command to the drive and return. */ - return cdrom_transfer_packet_command(drive, rq, &cdrom_pc_intr); -} - - -static ide_startstop_t cdrom_do_packet_command (ide_drive_t *drive) -{ - int len; - struct request *rq = HWGROUP(drive)->rq; - struct cdrom_info *info = drive->driver_data; - - info->dma = 0; - rq->cmd_flags &= ~REQ_FAILED; - len = rq->data_len; - - /* Start sending the command to the drive. */ - return cdrom_start_packet_command(drive, len, cdrom_do_pc_continuation); } - -static int cdrom_queue_packet_command(ide_drive_t *drive, struct request *rq) +int ide_cd_queue_pc(ide_drive_t *drive, struct request *rq) { struct request_sense sense; int retries = 10; @@ -1620,84 +976,37 @@ static int cdrom_queue_packet_command(ide_drive_t *drive, struct request *rq) } /* - * Write handling + * Called from blk_end_request_callback() after the data of the request + * is completed and before the request is completed. + * By returning value '1', blk_end_request_callback() returns immediately + * without completing the request. */ -static int cdrom_write_check_ireason(ide_drive_t *drive, int len, int ireason) +static int cdrom_newpc_intr_dummy_cb(struct request *rq) { - /* Two notes about IDE interrupt reason here - 0 means that - * the drive wants to receive data from us, 2 means that - * the drive is expecting to transfer data to us. - */ - if (ireason == 0) - return 0; - else if (ireason == 2) { - /* Whoops... The drive wants to send data. */ - printk(KERN_ERR "%s: write_intr: wrong transfer direction!\n", - drive->name); - - while (len > 0) { - int dum = 0; - HWIF(drive)->atapi_input_bytes(drive, &dum, sizeof(dum)); - len -= sizeof(dum); - } - } else { - /* Drive wants a command packet, or invalid ireason... */ - printk(KERN_ERR "%s: write_intr: bad interrupt reason %x\n", - drive->name, ireason); - } - - cdrom_end_request(drive, 0); return 1; } -static void post_transform_command(struct request *req) -{ - u8 *c = req->cmd; - char *ibuf; - - if (!blk_pc_request(req)) - return; - - if (req->bio) - ibuf = bio_data(req->bio); - else - ibuf = req->data; - - if (!ibuf) - return; - - /* - * set ansi-revision and response data as atapi - */ - if (c[0] == GPCMD_INQUIRY) { - ibuf[2] |= 2; - ibuf[3] = (ibuf[3] & 0xf0) | 2; - } -} - -typedef void (xfer_func_t)(ide_drive_t *, void *, u32); - -/* - * best way to deal with dma that is not sector aligned right now... note - * that in this path we are not using ->data or ->buffer at all. this irs - * can replace cdrom_pc_intr, cdrom_read_intr, and cdrom_write_intr in the - * future. - */ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) { struct cdrom_info *info = drive->driver_data; struct request *rq = HWGROUP(drive)->rq; - int dma_error, dma, stat, ireason, len, thislen; - u8 lowcyl, highcyl; xfer_func_t *xferfunc; - unsigned long flags; + ide_expiry_t *expiry = NULL; + int dma_error = 0, dma, stat, ireason, len, thislen, uptodate = 0; + int write = (rq_data_dir(rq) == WRITE) ? 1 : 0; + unsigned int timeout; + u8 lowcyl, highcyl; /* Check for errors. */ - dma_error = 0; dma = info->dma; if (dma) { info->dma = 0; dma_error = HWIF(drive)->ide_dma_end(drive); + if (dma_error) { + printk(KERN_ERR "%s: DMA %s error\n", drive->name, + write ? "write" : "read"); + ide_dma_off(drive); + } } if (cdrom_decode_status(drive, 0, &stat)) @@ -1707,14 +1016,12 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) * using dma, transfer is complete now */ if (dma) { - if (dma_error) { - printk(KERN_ERR "ide-cd: dma error\n"); - ide_dma_off(drive); + if (dma_error) return ide_error(drive, "dma error", stat); + if (blk_fs_request(rq)) { + ide_end_request(drive, 1, rq->nr_sectors); + return ide_stopped; } - - end_that_request_chunk(rq, 1, rq->data_len); - rq->data_len = 0; goto end_request; } @@ -1726,54 +1033,120 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) highcyl = HWIF(drive)->INB(IDE_BCOUNTH_REG); len = lowcyl + (256 * highcyl); - thislen = rq->data_len; + + thislen = blk_fs_request(rq) ? len : rq->data_len; if (thislen > len) thislen = len; /* * If DRQ is clear, the command has completed. */ - if ((stat & DRQ_STAT) == 0) + if ((stat & DRQ_STAT) == 0) { + if (blk_fs_request(rq)) { + /* + * If we're not done reading/writing, complain. + * Otherwise, complete the command normally. + */ + uptodate = 1; + if (rq->current_nr_sectors > 0) { + printk(KERN_ERR "%s: %s: data underrun " + "(%d blocks)\n", + drive->name, __FUNCTION__, + rq->current_nr_sectors); + if (!write) + rq->cmd_flags |= REQ_FAILED; + uptodate = 0; + } + cdrom_end_request(drive, uptodate); + return ide_stopped; + } else if (!blk_pc_request(rq)) { + ide_cd_request_sense_fixup(rq); + /* Complain if we still have data left to transfer. */ + uptodate = rq->data_len ? 0 : 1; + } goto end_request; + } /* * check which way to transfer data */ - if (rq_data_dir(rq) == WRITE) { - /* - * write to drive - */ - if (cdrom_write_check_ireason(drive, len, ireason)) + if (blk_fs_request(rq) || blk_pc_request(rq)) { + if (ide_cd_check_ireason(drive, len, ireason, write)) return ide_stopped; - xferfunc = HWIF(drive)->atapi_output_bytes; - } else { - /* - * read from drive - */ - if (cdrom_read_check_ireason(drive, len, ireason)) - return ide_stopped; + if (blk_fs_request(rq) && write == 0) { + int nskip; + + if (ide_cd_check_transfer_size(drive, len)) { + cdrom_end_request(drive, 0); + return ide_stopped; + } + + /* + * First, figure out if we need to bit-bucket + * any of the leading sectors. + */ + nskip = min_t(int, rq->current_nr_sectors + - bio_cur_sectors(rq->bio), + thislen >> 9); + if (nskip > 0) { + ide_cd_drain_data(drive, nskip); + rq->current_nr_sectors -= nskip; + thislen -= (nskip << 9); + } + } + } + if (ireason == 0) { + write = 1; + xferfunc = HWIF(drive)->atapi_output_bytes; + } else if (ireason == 2 || (ireason == 1 && + (blk_fs_request(rq) || blk_pc_request(rq)))) { + write = 0; xferfunc = HWIF(drive)->atapi_input_bytes; + } else { + printk(KERN_ERR "%s: %s: The drive " + "appears confused (ireason = 0x%02x). " + "Trying to recover by ending request.\n", + drive->name, __FUNCTION__, ireason); + goto end_request; } /* * transfer data */ while (thislen > 0) { - int blen = blen = rq->data_len; - char *ptr = rq->data; + u8 *ptr = blk_fs_request(rq) ? NULL : rq->data; + int blen = rq->data_len; /* * bio backed? */ if (rq->bio) { - ptr = bio_data(rq->bio); - blen = bio_iovec(rq->bio)->bv_len; + if (blk_fs_request(rq)) { + ptr = rq->buffer; + blen = rq->current_nr_sectors << 9; + } else { + ptr = bio_data(rq->bio); + blen = bio_iovec(rq->bio)->bv_len; + } } if (!ptr) { - printk(KERN_ERR "%s: confused, missing data\n", drive->name); + if (blk_fs_request(rq) && !write) + /* + * If the buffers are full, cache the rest + * of the data in our internal buffer. + */ + cdrom_buffer_sectors(drive, rq->sector, + thislen >> 9); + else { + printk(KERN_ERR "%s: confused, missing data\n", + drive->name); + blk_dump_rq_flags(rq, rq_data_dir(rq) + ? "cdrom_newpc_intr, write" + : "cdrom_newpc_intr, read"); + } break; } @@ -1784,186 +1157,117 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) thislen -= blen; len -= blen; - rq->data_len -= blen; - - if (rq->bio) - end_that_request_chunk(rq, 1, blen); - else - rq->data += blen; - } - - /* - * pad, if necessary - */ - if (len > 0) { - while (len > 0) { - int pad = 0; - - xferfunc(drive, &pad, sizeof(pad)); - len -= sizeof(pad); - } - } - - BUG_ON(HWGROUP(drive)->handler != NULL); - - ide_set_handler(drive, cdrom_newpc_intr, rq->timeout, NULL); - return ide_started; - -end_request: - if (!rq->data_len) - post_transform_command(rq); - - spin_lock_irqsave(&ide_lock, flags); - blkdev_dequeue_request(rq); - end_that_request_last(rq, 1); - HWGROUP(drive)->rq = NULL; - spin_unlock_irqrestore(&ide_lock, flags); - return ide_stopped; -} -static ide_startstop_t cdrom_write_intr(ide_drive_t *drive) -{ - int stat, ireason, len, sectors_to_transfer, uptodate; - struct cdrom_info *info = drive->driver_data; - int dma_error = 0, dma = info->dma; - u8 lowcyl = 0, highcyl = 0; + if (blk_fs_request(rq)) { + rq->buffer += blen; + rq->nr_sectors -= (blen >> 9); + rq->current_nr_sectors -= (blen >> 9); + rq->sector += (blen >> 9); - struct request *rq = HWGROUP(drive)->rq; + if (rq->current_nr_sectors == 0 && rq->nr_sectors) + cdrom_end_request(drive, 1); + } else { + rq->data_len -= blen; - /* Check for errors. */ - if (dma) { - info->dma = 0; - if ((dma_error = HWIF(drive)->ide_dma_end(drive))) { - printk(KERN_ERR "ide-cd: write dma error\n"); - ide_dma_off(drive); + /* + * The request can't be completed until DRQ is cleared. + * So complete the data, but don't complete the request + * using the dummy function for the callback feature + * of blk_end_request_callback(). + */ + if (rq->bio) + blk_end_request_callback(rq, 0, blen, + cdrom_newpc_intr_dummy_cb); + else + rq->data += blen; } } - if (cdrom_decode_status(drive, 0, &stat)) - return ide_stopped; + if (write && blk_sense_request(rq)) + rq->sense_len += thislen; /* - * using dma, transfer is complete now + * pad, if necessary */ - if (dma) { - if (dma_error) - return ide_error(drive, "dma error", stat); + if (!blk_fs_request(rq) && len > 0) + ide_cd_pad_transfer(drive, xferfunc, len); - ide_end_request(drive, 1, rq->nr_sectors); - return ide_stopped; + if (blk_pc_request(rq)) { + timeout = rq->timeout; + } else { + timeout = ATAPI_WAIT_PC; + if (!blk_fs_request(rq)) + expiry = cdrom_timer_expiry; } - /* Read the interrupt reason and the transfer length. */ - ireason = HWIF(drive)->INB(IDE_IREASON_REG); - lowcyl = HWIF(drive)->INB(IDE_BCOUNTL_REG); - highcyl = HWIF(drive)->INB(IDE_BCOUNTH_REG); + ide_set_handler(drive, cdrom_newpc_intr, timeout, expiry); + return ide_started; - len = lowcyl + (256 * highcyl); +end_request: + if (blk_pc_request(rq)) { + unsigned long flags; - /* If DRQ is clear, the command has completed. */ - if ((stat & DRQ_STAT) == 0) { - /* If we're not done writing, complain. - * Otherwise, complete the command normally. - */ - uptodate = 1; - if (rq->current_nr_sectors > 0) { - printk(KERN_ERR "%s: write_intr: data underrun (%d blocks)\n", - drive->name, rq->current_nr_sectors); - uptodate = 0; - } + spin_lock_irqsave(&ide_lock, flags); + if (__blk_end_request(rq, 0, rq->data_len)) + BUG(); + HWGROUP(drive)->rq = NULL; + spin_unlock_irqrestore(&ide_lock, flags); + } else { + if (!uptodate) + rq->cmd_flags |= REQ_FAILED; cdrom_end_request(drive, uptodate); - return ide_stopped; } + return ide_stopped; +} - /* Check that the drive is expecting to do the same thing we are. */ - if (cdrom_write_check_ireason(drive, len, ireason)) - return ide_stopped; - - sectors_to_transfer = len / SECTOR_SIZE; - - /* - * now loop and write out the data - */ - while (sectors_to_transfer > 0) { - int this_transfer; - - if (!rq->current_nr_sectors) { - printk(KERN_ERR "ide-cd: write_intr: oops\n"); - break; - } +static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq) +{ + struct cdrom_info *cd = drive->driver_data; + int write = rq_data_dir(rq) == WRITE; + unsigned short sectors_per_frame = + queue_hardsect_size(drive->queue) >> SECTOR_BITS; + if (write) { /* - * Figure out how many sectors we can transfer + * disk has become write protected */ - this_transfer = min_t(int, sectors_to_transfer, rq->current_nr_sectors); - - while (this_transfer > 0) { - HWIF(drive)->atapi_output_bytes(drive, rq->buffer, SECTOR_SIZE); - rq->buffer += SECTOR_SIZE; - --rq->nr_sectors; - --rq->current_nr_sectors; - ++rq->sector; - --this_transfer; - --sectors_to_transfer; + if (cd->disk->policy) { + cdrom_end_request(drive, 0); + return ide_stopped; } - + } else { /* - * current buffer complete, move on + * We may be retrying this request after an error. Fix up any + * weirdness which might be present in the request packet. */ - if (rq->current_nr_sectors == 0 && rq->nr_sectors) - cdrom_end_request(drive, 1); - } - - /* re-arm handler */ - ide_set_handler(drive, &cdrom_write_intr, ATAPI_WAIT_PC, NULL); - return ide_started; -} - -static ide_startstop_t cdrom_start_write_cont(ide_drive_t *drive) -{ - struct request *rq = HWGROUP(drive)->rq; + restore_request(rq); -#if 0 /* the immediate bit */ - rq->cmd[1] = 1 << 3; -#endif - rq->timeout = ATAPI_WAIT_PC; - - return cdrom_transfer_packet_command(drive, rq, cdrom_write_intr); -} - -static ide_startstop_t cdrom_start_write(ide_drive_t *drive, struct request *rq) -{ - struct cdrom_info *info = drive->driver_data; - struct gendisk *g = info->disk; - unsigned short sectors_per_frame = queue_hardsect_size(drive->queue) >> SECTOR_BITS; + /* Satisfy whatever we can of this request from our cache. */ + if (cdrom_read_from_buffer(drive)) + return ide_stopped; + } /* - * writes *must* be hardware frame aligned + * use DMA, if possible / writes *must* be hardware frame aligned */ if ((rq->nr_sectors & (sectors_per_frame - 1)) || (rq->sector & (sectors_per_frame - 1))) { - cdrom_end_request(drive, 0); - return ide_stopped; - } - - /* - * disk has become write protected - */ - if (g->policy) { - cdrom_end_request(drive, 0); - return ide_stopped; - } - - info->nsectors_buffered = 0; + if (write) { + cdrom_end_request(drive, 0); + return ide_stopped; + } + cd->dma = 0; + } else + cd->dma = drive->using_dma; - /* use dma, if possible. we don't need to check more, since we - * know that the transfer is always (at least!) frame aligned */ - info->dma = drive->using_dma ? 1 : 0; + /* Clear the local sector buffer. */ + cd->nsectors_buffered = 0; - info->devinfo.media_written = 1; + if (write) + cd->devinfo.media_written = 1; - /* Start sending the write request to the drive. */ - return cdrom_start_packet_command(drive, 32768, cdrom_start_write_cont); + /* Start sending the read/write request to the drive. */ + return cdrom_start_packet_command(drive, 32768, cdrom_start_rw_cont); } static ide_startstop_t cdrom_do_newpc_cont(ide_drive_t *drive) @@ -1980,7 +1284,10 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) { struct cdrom_info *info = drive->driver_data; - rq->cmd_flags |= REQ_QUIET; + if (blk_pc_request(rq)) + rq->cmd_flags |= REQ_QUIET; + else + rq->cmd_flags &= ~REQ_FAILED; info->dma = 0; @@ -2017,7 +1324,7 @@ ide_do_rw_cdrom (ide_drive_t *drive, struct request *rq, sector_t block) struct cdrom_info *info = drive->driver_data; if (blk_fs_request(rq)) { - if (CDROM_CONFIG_FLAGS(drive)->seeking) { + if (info->cd_flags & IDE_CD_FLAG_SEEKING) { unsigned long elapsed = jiffies - info->start_seek; int stat = HWIF(drive)->INB(IDE_STATUS_REG); @@ -2028,22 +1335,16 @@ ide_do_rw_cdrom (ide_drive_t *drive, struct request *rq, sector_t block) } printk (KERN_ERR "%s: DSC timeout\n", drive->name); } - CDROM_CONFIG_FLAGS(drive)->seeking = 0; + info->cd_flags &= ~IDE_CD_FLAG_SEEKING; } if ((rq_data_dir(rq) == READ) && IDE_LARGE_SEEK(info->last_block, block, IDECD_SEEK_THRESHOLD) && drive->dsc_overlap) { action = cdrom_start_seek(drive, block); - } else { - if (rq_data_dir(rq) == READ) - action = cdrom_start_read(drive, block); - else - action = cdrom_start_write(drive, rq); - } + } else + action = cdrom_start_rw(drive, rq); info->last_block = block; return action; - } else if (rq->cmd_type == REQ_TYPE_SENSE || + } else if (blk_sense_request(rq) || blk_pc_request(rq) || rq->cmd_type == REQ_TYPE_ATA_PC) { - return cdrom_do_packet_command(drive); - } else if (blk_pc_request(rq)) { return cdrom_do_block_pc(drive, rq); } else if (blk_special_request(rq)) { /* @@ -2070,141 +1371,33 @@ ide_do_rw_cdrom (ide_drive_t *drive, struct request *rq, sector_t block) * can also be NULL, in which case no sense information is returned. */ -#if ! STANDARD_ATAPI -static inline -int bin2bcd (int x) -{ - return (x%10) | ((x/10) << 4); -} - - -static inline -int bcd2bin (int x) -{ - return (x >> 4) * 10 + (x & 0x0f); -} - static void msf_from_bcd (struct atapi_msf *msf) { - msf->minute = bcd2bin (msf->minute); - msf->second = bcd2bin (msf->second); - msf->frame = bcd2bin (msf->frame); -} - -#endif /* not STANDARD_ATAPI */ - - -static inline -void lba_to_msf (int lba, byte *m, byte *s, byte *f) -{ - lba += CD_MSF_OFFSET; - lba &= 0xffffff; /* negative lbas use only 24 bits */ - *m = lba / (CD_SECS * CD_FRAMES); - lba %= (CD_SECS * CD_FRAMES); - *s = lba / CD_FRAMES; - *f = lba % CD_FRAMES; -} - - -static inline -int msf_to_lba (byte m, byte s, byte f) -{ - return (((m * CD_SECS) + s) * CD_FRAMES + f) - CD_MSF_OFFSET; + msf->minute = BCD2BIN(msf->minute); + msf->second = BCD2BIN(msf->second); + msf->frame = BCD2BIN(msf->frame); } -static int cdrom_check_status(ide_drive_t *drive, struct request_sense *sense) +int cdrom_check_status(ide_drive_t *drive, struct request_sense *sense) { struct request req; struct cdrom_info *info = drive->driver_data; struct cdrom_device_info *cdi = &info->devinfo; - cdrom_prepare_request(drive, &req); + ide_cd_init_rq(drive, &req); req.sense = sense; req.cmd[0] = GPCMD_TEST_UNIT_READY; req.cmd_flags |= REQ_QUIET; -#if ! STANDARD_ATAPI - /* the Sanyo 3 CD changer uses byte 7 of TEST_UNIT_READY to - switch CDs instead of supporting the LOAD_UNLOAD opcode */ - + /* + * Sanyo 3 CD changer uses byte 7 of TEST_UNIT_READY to + * switch CDs instead of supporting the LOAD_UNLOAD opcode. + */ req.cmd[7] = cdi->sanyo_slot % 3; -#endif /* not STANDARD_ATAPI */ - return cdrom_queue_packet_command(drive, &req); -} - - -/* Lock the door if LOCKFLAG is nonzero; unlock it otherwise. */ -static int -cdrom_lockdoor(ide_drive_t *drive, int lockflag, struct request_sense *sense) -{ - struct request_sense my_sense; - struct request req; - int stat; - - if (sense == NULL) - sense = &my_sense; - - /* If the drive cannot lock the door, just pretend. */ - if (CDROM_CONFIG_FLAGS(drive)->no_doorlock) { - stat = 0; - } else { - cdrom_prepare_request(drive, &req); - req.sense = sense; - req.cmd[0] = GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL; - req.cmd[4] = lockflag ? 1 : 0; - stat = cdrom_queue_packet_command(drive, &req); - } - - /* If we got an illegal field error, the drive - probably cannot lock the door. */ - if (stat != 0 && - sense->sense_key == ILLEGAL_REQUEST && - (sense->asc == 0x24 || sense->asc == 0x20)) { - printk (KERN_ERR "%s: door locking not supported\n", - drive->name); - CDROM_CONFIG_FLAGS(drive)->no_doorlock = 1; - stat = 0; - } - - /* no medium, that's alright. */ - if (stat != 0 && sense->sense_key == NOT_READY && sense->asc == 0x3a) - stat = 0; - - if (stat == 0) - CDROM_STATE_FLAGS(drive)->door_locked = lockflag; - - return stat; -} - - -/* Eject the disk if EJECTFLAG is 0. - If EJECTFLAG is 1, try to reload the disk. */ -static int cdrom_eject(ide_drive_t *drive, int ejectflag, - struct request_sense *sense) -{ - struct request req; - char loej = 0x02; - - if (CDROM_CONFIG_FLAGS(drive)->no_eject && !ejectflag) - return -EDRIVE_CANT_DO_THIS; - - /* reload fails on some drives, if the tray is locked */ - if (CDROM_STATE_FLAGS(drive)->door_locked && ejectflag) - return 0; - - cdrom_prepare_request(drive, &req); - - /* only tell drive to close tray if open, if it can do that */ - if (ejectflag && !CDROM_CONFIG_FLAGS(drive)->close_tray) - loej = 0; - - req.sense = sense; - req.cmd[0] = GPCMD_START_STOP_UNIT; - req.cmd[4] = loej | (ejectflag != 0); - return cdrom_queue_packet_command(drive, &req); + return ide_cd_queue_pc(drive, &req); } static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, @@ -2219,7 +1412,7 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, int stat; struct request req; - cdrom_prepare_request(drive, &req); + ide_cd_init_rq(drive, &req); req.sense = sense; req.cmd[0] = GPCMD_READ_CDVD_CAPACITY; @@ -2227,7 +1420,7 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, req.data_len = sizeof(capbuf); req.cmd_flags |= REQ_QUIET; - stat = cdrom_queue_packet_command(drive, &req); + stat = ide_cd_queue_pc(drive, &req); if (stat == 0) { *capacity = 1 + be32_to_cpu(capbuf.lba); *sectors_per_frame = @@ -2243,7 +1436,7 @@ static int cdrom_read_tocentry(ide_drive_t *drive, int trackno, int msf_flag, { struct request req; - cdrom_prepare_request(drive, &req); + ide_cd_init_rq(drive, &req); req.sense = sense; req.data = buf; @@ -2258,12 +1451,11 @@ static int cdrom_read_tocentry(ide_drive_t *drive, int trackno, int msf_flag, if (msf_flag) req.cmd[1] = 2; - return cdrom_queue_packet_command(drive, &req); + return ide_cd_queue_pc(drive, &req); } - /* Try to read the entire TOC for the disk into our internal buffer. */ -static int cdrom_read_toc(ide_drive_t *drive, struct request_sense *sense) +int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense) { int stat, ntracks, i; struct cdrom_info *info = drive->driver_data; @@ -2290,7 +1482,7 @@ static int cdrom_read_toc(ide_drive_t *drive, struct request_sense *sense) If it is, just return. */ (void) cdrom_check_status(drive, sense); - if (CDROM_STATE_FLAGS(drive)->toc_valid) + if (info->cd_flags & IDE_CD_FLAG_TOC_VALID) return 0; /* Try to get the total cdrom capacity and sector size. */ @@ -2312,12 +1504,10 @@ static int cdrom_read_toc(ide_drive_t *drive, struct request_sense *sense) if (stat) return stat; -#if ! STANDARD_ATAPI - if (CDROM_CONFIG_FLAGS(drive)->toctracks_as_bcd) { - toc->hdr.first_track = bcd2bin(toc->hdr.first_track); - toc->hdr.last_track = bcd2bin(toc->hdr.last_track); + if (info->cd_flags & IDE_CD_FLAG_TOCTRACKS_AS_BCD) { + toc->hdr.first_track = BCD2BIN(toc->hdr.first_track); + toc->hdr.last_track = BCD2BIN(toc->hdr.last_track); } -#endif /* not STANDARD_ATAPI */ ntracks = toc->hdr.last_track - toc->hdr.first_track + 1; if (ntracks <= 0) @@ -2349,16 +1539,13 @@ static int cdrom_read_toc(ide_drive_t *drive, struct request_sense *sense) (ntracks + 1) * sizeof(struct atapi_toc_entry), sense); - if (stat) { + if (stat) return stat; - } -#if ! STANDARD_ATAPI - if (CDROM_CONFIG_FLAGS(drive)->toctracks_as_bcd) { - toc->hdr.first_track = bin2bcd(CDROM_LEADOUT); - toc->hdr.last_track = bin2bcd(CDROM_LEADOUT); - } else -#endif /* not STANDARD_ATAPI */ - { + + if (info->cd_flags & IDE_CD_FLAG_TOCTRACKS_AS_BCD) { + toc->hdr.first_track = (u8)BIN2BCD(CDROM_LEADOUT); + toc->hdr.last_track = (u8)BIN2BCD(CDROM_LEADOUT); + } else { toc->hdr.first_track = CDROM_LEADOUT; toc->hdr.last_track = CDROM_LEADOUT; } @@ -2369,21 +1556,17 @@ static int cdrom_read_toc(ide_drive_t *drive, struct request_sense *sense) toc->hdr.toc_length = ntohs (toc->hdr.toc_length); -#if ! STANDARD_ATAPI - if (CDROM_CONFIG_FLAGS(drive)->toctracks_as_bcd) { - toc->hdr.first_track = bcd2bin(toc->hdr.first_track); - toc->hdr.last_track = bcd2bin(toc->hdr.last_track); + if (info->cd_flags & IDE_CD_FLAG_TOCTRACKS_AS_BCD) { + toc->hdr.first_track = BCD2BIN(toc->hdr.first_track); + toc->hdr.last_track = BCD2BIN(toc->hdr.last_track); } -#endif /* not STANDARD_ATAPI */ - for (i=0; i<=ntracks; i++) { -#if ! STANDARD_ATAPI - if (CDROM_CONFIG_FLAGS(drive)->tocaddr_as_bcd) { - if (CDROM_CONFIG_FLAGS(drive)->toctracks_as_bcd) - toc->ent[i].track = bcd2bin(toc->ent[i].track); + for (i = 0; i <= ntracks; i++) { + if (info->cd_flags & IDE_CD_FLAG_TOCADDR_AS_BCD) { + if (info->cd_flags & IDE_CD_FLAG_TOCTRACKS_AS_BCD) + toc->ent[i].track = BCD2BIN(toc->ent[i].track); msf_from_bcd(&toc->ent[i].addr.msf); } -#endif /* not STANDARD_ATAPI */ toc->ent[i].addr.lba = msf_to_lba (toc->ent[i].addr.msf.minute, toc->ent[i].addr.msf.second, toc->ent[i].addr.msf.frame); @@ -2403,8 +1586,7 @@ static int cdrom_read_toc(ide_drive_t *drive, struct request_sense *sense) toc->last_session_lba = msf_to_lba(0, 2, 0); /* 0m 2s 0f */ } -#if ! STANDARD_ATAPI - if (CDROM_CONFIG_FLAGS(drive)->tocaddr_as_bcd) { + if (info->cd_flags & IDE_CD_FLAG_TOCADDR_AS_BCD) { /* Re-read multisession information using MSF format */ stat = cdrom_read_tocentry(drive, 0, 1, 1, (char *)&ms_tmp, sizeof(ms_tmp), sense); @@ -2416,7 +1598,6 @@ static int cdrom_read_toc(ide_drive_t *drive, struct request_sense *sense) ms_tmp.ent.addr.msf.second, ms_tmp.ent.addr.msf.frame); } -#endif /* not STANDARD_ATAPI */ toc->xa_flag = (ms_tmp.hdr.first_track != ms_tmp.hdr.last_track); @@ -2429,278 +1610,22 @@ static int cdrom_read_toc(ide_drive_t *drive, struct request_sense *sense) } /* Remember that we've read this stuff. */ - CDROM_STATE_FLAGS(drive)->toc_valid = 1; - - return 0; -} - - -static int cdrom_read_subchannel(ide_drive_t *drive, int format, char *buf, - int buflen, struct request_sense *sense) -{ - struct request req; - - cdrom_prepare_request(drive, &req); - - req.sense = sense; - req.data = buf; - req.data_len = buflen; - req.cmd[0] = GPCMD_READ_SUBCHANNEL; - req.cmd[1] = 2; /* MSF addressing */ - req.cmd[2] = 0x40; /* request subQ data */ - req.cmd[3] = format; - req.cmd[7] = (buflen >> 8); - req.cmd[8] = (buflen & 0xff); - return cdrom_queue_packet_command(drive, &req); -} - -/* ATAPI cdrom drives are free to select the speed you request or any slower - rate :-( Requesting too fast a speed will _not_ produce an error. */ -static int cdrom_select_speed(ide_drive_t *drive, int speed, - struct request_sense *sense) -{ - struct request req; - cdrom_prepare_request(drive, &req); - - req.sense = sense; - if (speed == 0) - speed = 0xffff; /* set to max */ - else - speed *= 177; /* Nx to kbytes/s */ - - req.cmd[0] = GPCMD_SET_SPEED; - /* Read Drive speed in kbytes/second MSB */ - req.cmd[2] = (speed >> 8) & 0xff; - /* Read Drive speed in kbytes/second LSB */ - req.cmd[3] = speed & 0xff; - if (CDROM_CONFIG_FLAGS(drive)->cd_r || - CDROM_CONFIG_FLAGS(drive)->cd_rw || - CDROM_CONFIG_FLAGS(drive)->dvd_r) { - /* Write Drive speed in kbytes/second MSB */ - req.cmd[4] = (speed >> 8) & 0xff; - /* Write Drive speed in kbytes/second LSB */ - req.cmd[5] = speed & 0xff; - } - - return cdrom_queue_packet_command(drive, &req); -} - -static int cdrom_play_audio(ide_drive_t *drive, int lba_start, int lba_end) -{ - struct request_sense sense; - struct request req; - - cdrom_prepare_request(drive, &req); - - req.sense = &sense; - req.cmd[0] = GPCMD_PLAY_AUDIO_MSF; - lba_to_msf(lba_start, &req.cmd[3], &req.cmd[4], &req.cmd[5]); - lba_to_msf(lba_end-1, &req.cmd[6], &req.cmd[7], &req.cmd[8]); - - return cdrom_queue_packet_command(drive, &req); -} - -static int cdrom_get_toc_entry(ide_drive_t *drive, int track, - struct atapi_toc_entry **ent) -{ - struct cdrom_info *info = drive->driver_data; - struct atapi_toc *toc = info->toc; - int ntracks; - - /* - * don't serve cached data, if the toc isn't valid - */ - if (!CDROM_STATE_FLAGS(drive)->toc_valid) - return -EINVAL; - - /* Check validity of requested track number. */ - ntracks = toc->hdr.last_track - toc->hdr.first_track + 1; - if (toc->hdr.first_track == CDROM_LEADOUT) ntracks = 0; - if (track == CDROM_LEADOUT) - *ent = &toc->ent[ntracks]; - else if (track < toc->hdr.first_track || - track > toc->hdr.last_track) - return -EINVAL; - else - *ent = &toc->ent[track - toc->hdr.first_track]; + info->cd_flags |= IDE_CD_FLAG_TOC_VALID; return 0; } -/* the generic packet interface to cdrom.c */ -static int ide_cdrom_packet(struct cdrom_device_info *cdi, - struct packet_command *cgc) -{ - struct request req; - ide_drive_t *drive = cdi->handle; - - if (cgc->timeout <= 0) - cgc->timeout = ATAPI_WAIT_PC; - - /* here we queue the commands from the uniform CD-ROM - layer. the packet must be complete, as we do not - touch it at all. */ - cdrom_prepare_request(drive, &req); - memcpy(req.cmd, cgc->cmd, CDROM_PACKET_SIZE); - if (cgc->sense) - memset(cgc->sense, 0, sizeof(struct request_sense)); - req.data = cgc->buffer; - req.data_len = cgc->buflen; - req.timeout = cgc->timeout; - - if (cgc->quiet) - req.cmd_flags |= REQ_QUIET; - - req.sense = cgc->sense; - cgc->stat = cdrom_queue_packet_command(drive, &req); - if (!cgc->stat) - cgc->buflen -= req.data_len; - return cgc->stat; -} - -static -int ide_cdrom_audio_ioctl (struct cdrom_device_info *cdi, - unsigned int cmd, void *arg) - -{ - ide_drive_t *drive = cdi->handle; - struct cdrom_info *info = drive->driver_data; - int stat; - - switch (cmd) { - /* - * emulate PLAY_AUDIO_TI command with PLAY_AUDIO_10, since - * atapi doesn't support it - */ - case CDROMPLAYTRKIND: { - unsigned long lba_start, lba_end; - struct cdrom_ti *ti = arg; - struct atapi_toc_entry *first_toc, *last_toc; - - stat = cdrom_get_toc_entry(drive, ti->cdti_trk0, &first_toc); - if (stat) - return stat; - - stat = cdrom_get_toc_entry(drive, ti->cdti_trk1, &last_toc); - if (stat) - return stat; - - if (ti->cdti_trk1 != CDROM_LEADOUT) - ++last_toc; - lba_start = first_toc->addr.lba; - lba_end = last_toc->addr.lba; - - if (lba_end <= lba_start) - return -EINVAL; - - return cdrom_play_audio(drive, lba_start, lba_end); - } - - case CDROMREADTOCHDR: { - struct cdrom_tochdr *tochdr = arg; - struct atapi_toc *toc; - - /* Make sure our saved TOC is valid. */ - stat = cdrom_read_toc(drive, NULL); - if (stat) - return stat; - - toc = info->toc; - tochdr->cdth_trk0 = toc->hdr.first_track; - tochdr->cdth_trk1 = toc->hdr.last_track; - - return 0; - } - - case CDROMREADTOCENTRY: { - struct cdrom_tocentry *tocentry = arg; - struct atapi_toc_entry *toce; - - stat = cdrom_get_toc_entry(drive, tocentry->cdte_track, &toce); - if (stat) - return stat; - - tocentry->cdte_ctrl = toce->control; - tocentry->cdte_adr = toce->adr; - if (tocentry->cdte_format == CDROM_MSF) { - lba_to_msf (toce->addr.lba, - &tocentry->cdte_addr.msf.minute, - &tocentry->cdte_addr.msf.second, - &tocentry->cdte_addr.msf.frame); - } else - tocentry->cdte_addr.lba = toce->addr.lba; - - return 0; - } - - default: - return -EINVAL; - } -} - -static -int ide_cdrom_reset (struct cdrom_device_info *cdi) -{ - ide_drive_t *drive = cdi->handle; - struct request_sense sense; - struct request req; - int ret; - - cdrom_prepare_request(drive, &req); - req.cmd_type = REQ_TYPE_SPECIAL; - req.cmd_flags = REQ_QUIET; - ret = ide_do_drive_cmd(drive, &req, ide_wait); - - /* - * A reset will unlock the door. If it was previously locked, - * lock it again. - */ - if (CDROM_STATE_FLAGS(drive)->door_locked) - (void) cdrom_lockdoor(drive, 1, &sense); - - return ret; -} - - -static -int ide_cdrom_tray_move (struct cdrom_device_info *cdi, int position) -{ - ide_drive_t *drive = cdi->handle; - struct request_sense sense; - - if (position) { - int stat = cdrom_lockdoor(drive, 0, &sense); - if (stat) - return stat; - } - - return cdrom_eject(drive, !position, &sense); -} - -static -int ide_cdrom_lock_door (struct cdrom_device_info *cdi, int lock) -{ - ide_drive_t *drive = cdi->handle; - return cdrom_lockdoor(drive, lock, NULL); -} - -static -int ide_cdrom_get_capabilities(ide_drive_t *drive, struct atapi_capabilities_page *cap) +int ide_cdrom_get_capabilities(ide_drive_t *drive, u8 *buf) { struct cdrom_info *info = drive->driver_data; struct cdrom_device_info *cdi = &info->devinfo; struct packet_command cgc; - int stat, attempts = 3, size = sizeof(*cap); + int stat, attempts = 3, size = ATAPI_CAPABILITIES_PAGE_SIZE; - /* - * ACER50 (and others?) require the full spec length mode sense - * page capabilities size, but older drives break. - */ - if (!(!strcmp(drive->id->model, "ATAPI CD ROM DRIVE 50X MAX") || - !strcmp(drive->id->model, "WPI CDS-32X"))) - size -= sizeof(cap->pad); + if ((info->cd_flags & IDE_CD_FLAG_FULL_CAPS_PAGE) == 0) + size -= ATAPI_CAPABILITIES_PAGE_PAD_SIZE; - init_cdrom_command(&cgc, cap, size, CGC_DATA_UNKNOWN); + init_cdrom_command(&cgc, buf, size, CGC_DATA_UNKNOWN); do { /* we seem to get stat=0x01,err=0x00 the first time (??) */ stat = cdrom_mode_sense(cdi, &cgc, GPMODE_CAPABILITIES_PAGE, 0); if (!stat) @@ -2709,177 +1634,33 @@ int ide_cdrom_get_capabilities(ide_drive_t *drive, struct atapi_capabilities_pag return stat; } -static -void ide_cdrom_update_speed (ide_drive_t *drive, struct atapi_capabilities_page *cap) -{ - /* The ACER/AOpen 24X cdrom has the speed fields byte-swapped */ - if (!drive->id->model[0] && - !strncmp(drive->id->fw_rev, "241N", 4)) { - CDROM_STATE_FLAGS(drive)->current_speed = - (((unsigned int)cap->curspeed) + (176/2)) / 176; - CDROM_CONFIG_FLAGS(drive)->max_speed = - (((unsigned int)cap->maxspeed) + (176/2)) / 176; - } else { - CDROM_STATE_FLAGS(drive)->current_speed = - (ntohs(cap->curspeed) + (176/2)) / 176; - CDROM_CONFIG_FLAGS(drive)->max_speed = - (ntohs(cap->maxspeed) + (176/2)) / 176; - } -} - -static -int ide_cdrom_select_speed (struct cdrom_device_info *cdi, int speed) -{ - ide_drive_t *drive = cdi->handle; - struct request_sense sense; - struct atapi_capabilities_page cap; - int stat; - - if ((stat = cdrom_select_speed(drive, speed, &sense)) < 0) - return stat; - - if (!ide_cdrom_get_capabilities(drive, &cap)) { - ide_cdrom_update_speed(drive, &cap); - cdi->speed = CDROM_STATE_FLAGS(drive)->current_speed; - } - return 0; -} - -/* - * add logic to try GET_EVENT command first to check for media and tray - * status. this should be supported by newer cd-r/w and all DVD etc - * drives - */ -static -int ide_cdrom_drive_status (struct cdrom_device_info *cdi, int slot_nr) +void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf) { - ide_drive_t *drive = cdi->handle; - struct media_event_desc med; - struct request_sense sense; - int stat; - - if (slot_nr != CDSL_CURRENT) - return -EINVAL; - - stat = cdrom_check_status(drive, &sense); - if (!stat || sense.sense_key == UNIT_ATTENTION) - return CDS_DISC_OK; - - if (!cdrom_get_media_event(cdi, &med)) { - if (med.media_present) - return CDS_DISC_OK; - else if (med.door_open) - return CDS_TRAY_OPEN; - else - return CDS_NO_DISC; - } - - if (sense.sense_key == NOT_READY && sense.asc == 0x04 && sense.ascq == 0x04) - return CDS_DISC_OK; - - /* - * If not using Mt Fuji extended media tray reports, - * just return TRAY_OPEN since ATAPI doesn't provide - * any other way to detect this... - */ - if (sense.sense_key == NOT_READY) { - if (sense.asc == 0x3a && sense.ascq == 1) - return CDS_NO_DISC; - else - return CDS_TRAY_OPEN; - } - return CDS_DRIVE_NOT_READY; -} - -static -int ide_cdrom_get_last_session (struct cdrom_device_info *cdi, - struct cdrom_multisession *ms_info) -{ - struct atapi_toc *toc; - ide_drive_t *drive = cdi->handle; - struct cdrom_info *info = drive->driver_data; - struct request_sense sense; - int ret; - - if (!CDROM_STATE_FLAGS(drive)->toc_valid || info->toc == NULL) - if ((ret = cdrom_read_toc(drive, &sense))) - return ret; - - toc = info->toc; - ms_info->addr.lba = toc->last_session_lba; - ms_info->xa_flag = toc->xa_flag; - - return 0; -} - -static -int ide_cdrom_get_mcn (struct cdrom_device_info *cdi, - struct cdrom_mcn *mcn_info) -{ - int stat; - char mcnbuf[24]; - ide_drive_t *drive = cdi->handle; - -/* get MCN */ - if ((stat = cdrom_read_subchannel(drive, 2, mcnbuf, sizeof (mcnbuf), NULL))) - return stat; - - memcpy (mcn_info->medium_catalog_number, mcnbuf+9, - sizeof (mcn_info->medium_catalog_number)-1); - mcn_info->medium_catalog_number[sizeof (mcn_info->medium_catalog_number)-1] - = '\0'; - - return 0; -} - - + struct cdrom_info *cd = drive->driver_data; + u16 curspeed, maxspeed; -/**************************************************************************** - * Other driver requests (open, close, check media change). - */ + curspeed = *(u16 *)&buf[8 + 14]; + maxspeed = *(u16 *)&buf[8 + 8]; -static -int ide_cdrom_check_media_change_real (struct cdrom_device_info *cdi, - int slot_nr) -{ - ide_drive_t *drive = cdi->handle; - int retval; - - if (slot_nr == CDSL_CURRENT) { - (void) cdrom_check_status(drive, NULL); - retval = CDROM_STATE_FLAGS(drive)->media_changed; - CDROM_STATE_FLAGS(drive)->media_changed = 0; - return retval; + if (cd->cd_flags & IDE_CD_FLAG_LE_SPEED_FIELDS) { + curspeed = le16_to_cpu(curspeed); + maxspeed = le16_to_cpu(maxspeed); } else { - return -EINVAL; + curspeed = be16_to_cpu(curspeed); + maxspeed = be16_to_cpu(maxspeed); } -} - - -static -int ide_cdrom_open_real (struct cdrom_device_info *cdi, int purpose) -{ - return 0; -} - -/* - * Close down the device. Invalidate all cached blocks. - */ -static -void ide_cdrom_release_real (struct cdrom_device_info *cdi) -{ - ide_drive_t *drive = cdi->handle; - - if (!cdi->use_count) - CDROM_STATE_FLAGS(drive)->toc_valid = 0; + cd->current_speed = (curspeed + (176/2)) / 176; + cd->max_speed = (maxspeed + (176/2)) / 176; } +#define IDE_CD_CAPABILITIES \ + (CDC_CLOSE_TRAY | CDC_OPEN_TRAY | CDC_LOCK | CDC_SELECT_SPEED | \ + CDC_SELECT_DISC | CDC_MULTI_SESSION | CDC_MCN | CDC_MEDIA_CHANGED | \ + CDC_PLAY_AUDIO | CDC_RESET | CDC_DRIVE_STATUS | CDC_CD_R | \ + CDC_CD_RW | CDC_DVD | CDC_DVD_R | CDC_DVD_RAM | CDC_GENERIC_PACKET | \ + CDC_MO_DRIVE | CDC_MRW | CDC_MRW_W | CDC_RAM) - -/**************************************************************************** - * Device initialization. - */ static struct cdrom_device_ops ide_cdrom_dops = { .open = ide_cdrom_open_real, .release = ide_cdrom_release_real, @@ -2892,14 +1673,7 @@ static struct cdrom_device_ops ide_cdrom_dops = { .get_mcn = ide_cdrom_get_mcn, .reset = ide_cdrom_reset, .audio_ioctl = ide_cdrom_audio_ioctl, - .capability = CDC_CLOSE_TRAY | CDC_OPEN_TRAY | CDC_LOCK | - CDC_SELECT_SPEED | CDC_SELECT_DISC | - CDC_MULTI_SESSION | CDC_MCN | - CDC_MEDIA_CHANGED | CDC_PLAY_AUDIO | CDC_RESET | - CDC_DRIVE_STATUS | CDC_CD_R | - CDC_CD_RW | CDC_DVD | CDC_DVD_R| CDC_DVD_RAM | - CDC_GENERIC_PACKET | CDC_MO_DRIVE | CDC_MRW | - CDC_MRW_W | CDC_RAM, + .capability = IDE_CD_CAPABILITIES, .generic_packet = ide_cdrom_packet, }; @@ -2909,33 +1683,13 @@ static int ide_cdrom_register (ide_drive_t *drive, int nslots) struct cdrom_device_info *devinfo = &info->devinfo; devinfo->ops = &ide_cdrom_dops; - devinfo->mask = 0; - devinfo->speed = CDROM_STATE_FLAGS(drive)->current_speed; + devinfo->speed = info->current_speed; devinfo->capacity = nslots; devinfo->handle = drive; strcpy(devinfo->name, drive->name); - - /* set capability mask to match the probe. */ - if (!CDROM_CONFIG_FLAGS(drive)->cd_r) - devinfo->mask |= CDC_CD_R; - if (!CDROM_CONFIG_FLAGS(drive)->cd_rw) - devinfo->mask |= CDC_CD_RW; - if (!CDROM_CONFIG_FLAGS(drive)->dvd) - devinfo->mask |= CDC_DVD; - if (!CDROM_CONFIG_FLAGS(drive)->dvd_r) - devinfo->mask |= CDC_DVD_R; - if (!CDROM_CONFIG_FLAGS(drive)->dvd_ram) - devinfo->mask |= CDC_DVD_RAM; - if (!CDROM_CONFIG_FLAGS(drive)->is_changer) - devinfo->mask |= CDC_SELECT_DISC; - if (!CDROM_CONFIG_FLAGS(drive)->audio_play) - devinfo->mask |= CDC_PLAY_AUDIO; - if (!CDROM_CONFIG_FLAGS(drive)->close_tray) - devinfo->mask |= CDC_CLOSE_TRAY; - if (!CDROM_CONFIG_FLAGS(drive)->mo_drive) - devinfo->mask |= CDC_MO_DRIVE; - if (!CDROM_CONFIG_FLAGS(drive)->ram) - devinfo->mask |= CDC_RAM; + + if (info->cd_flags & IDE_CD_FLAG_NO_SPEED_SELECT) + devinfo->mask |= CDC_SELECT_SPEED; devinfo->disk = info->disk; return register_cdrom(devinfo); @@ -2944,22 +1698,25 @@ static int ide_cdrom_register (ide_drive_t *drive, int nslots) static int ide_cdrom_probe_capabilities (ide_drive_t *drive) { - struct cdrom_info *info = drive->driver_data; - struct cdrom_device_info *cdi = &info->devinfo; - struct atapi_capabilities_page cap; + struct cdrom_info *cd = drive->driver_data; + struct cdrom_device_info *cdi = &cd->devinfo; + u8 buf[ATAPI_CAPABILITIES_PAGE_SIZE]; + mechtype_t mechtype; int nslots = 1; + cdi->mask = (CDC_CD_R | CDC_CD_RW | CDC_DVD | CDC_DVD_R | + CDC_DVD_RAM | CDC_SELECT_DISC | CDC_PLAY_AUDIO | + CDC_MO_DRIVE | CDC_RAM); + if (drive->media == ide_optical) { - CDROM_CONFIG_FLAGS(drive)->mo_drive = 1; - CDROM_CONFIG_FLAGS(drive)->ram = 1; + cdi->mask &= ~(CDC_MO_DRIVE | CDC_RAM); printk(KERN_ERR "%s: ATAPI magneto-optical drive\n", drive->name); return nslots; } - if (CDROM_CONFIG_FLAGS(drive)->nec260 || - !strcmp(drive->id->model,"STINGRAY 8422 IDE 8X CD-ROM 7-27-95")) { - CDROM_CONFIG_FLAGS(drive)->no_eject = 0; - CDROM_CONFIG_FLAGS(drive)->audio_play = 1; + if (cd->cd_flags & IDE_CD_FLAG_PRE_ATAPI12) { + cd->cd_flags &= ~IDE_CD_FLAG_NO_EJECT; + cdi->mask &= ~CDC_PLAY_AUDIO; return nslots; } @@ -2973,88 +1730,66 @@ int ide_cdrom_probe_capabilities (ide_drive_t *drive) cdi->handle = drive; cdi->ops = &ide_cdrom_dops; - if (ide_cdrom_get_capabilities(drive, &cap)) + if (ide_cdrom_get_capabilities(drive, buf)) return 0; - if (cap.lock == 0) - CDROM_CONFIG_FLAGS(drive)->no_doorlock = 1; - if (cap.eject) - CDROM_CONFIG_FLAGS(drive)->no_eject = 0; - if (cap.cd_r_write) - CDROM_CONFIG_FLAGS(drive)->cd_r = 1; - if (cap.cd_rw_write) { - CDROM_CONFIG_FLAGS(drive)->cd_rw = 1; - CDROM_CONFIG_FLAGS(drive)->ram = 1; - } - if (cap.test_write) - CDROM_CONFIG_FLAGS(drive)->test_write = 1; - if (cap.dvd_ram_read || cap.dvd_r_read || cap.dvd_rom) - CDROM_CONFIG_FLAGS(drive)->dvd = 1; - if (cap.dvd_ram_write) { - CDROM_CONFIG_FLAGS(drive)->dvd_ram = 1; - CDROM_CONFIG_FLAGS(drive)->ram = 1; - } - if (cap.dvd_r_write) - CDROM_CONFIG_FLAGS(drive)->dvd_r = 1; - if (cap.audio_play) - CDROM_CONFIG_FLAGS(drive)->audio_play = 1; - if (cap.mechtype == mechtype_caddy || cap.mechtype == mechtype_popup) - CDROM_CONFIG_FLAGS(drive)->close_tray = 0; - - /* Some drives used by Apple don't advertise audio play - * but they do support reading TOC & audio datas - */ - if (strcmp(drive->id->model, "MATSHITADVD-ROM SR-8187") == 0 || - strcmp(drive->id->model, "MATSHITADVD-ROM SR-8186") == 0 || - strcmp(drive->id->model, "MATSHITADVD-ROM SR-8176") == 0 || - strcmp(drive->id->model, "MATSHITADVD-ROM SR-8174") == 0) - CDROM_CONFIG_FLAGS(drive)->audio_play = 1; + if ((buf[8 + 6] & 0x01) == 0) + cd->cd_flags |= IDE_CD_FLAG_NO_DOORLOCK; + if (buf[8 + 6] & 0x08) + cd->cd_flags &= ~IDE_CD_FLAG_NO_EJECT; + if (buf[8 + 3] & 0x01) + cdi->mask &= ~CDC_CD_R; + if (buf[8 + 3] & 0x02) + cdi->mask &= ~(CDC_CD_RW | CDC_RAM); + if (buf[8 + 2] & 0x38) + cdi->mask &= ~CDC_DVD; + if (buf[8 + 3] & 0x20) + cdi->mask &= ~(CDC_DVD_RAM | CDC_RAM); + if (buf[8 + 3] & 0x10) + cdi->mask &= ~CDC_DVD_R; + if ((buf[8 + 4] & 0x01) || (cd->cd_flags & IDE_CD_FLAG_PLAY_AUDIO_OK)) + cdi->mask &= ~CDC_PLAY_AUDIO; + + mechtype = buf[8 + 6] >> 5; + if (mechtype == mechtype_caddy || mechtype == mechtype_popup) + cdi->mask |= CDC_CLOSE_TRAY; -#if ! STANDARD_ATAPI if (cdi->sanyo_slot > 0) { - CDROM_CONFIG_FLAGS(drive)->is_changer = 1; + cdi->mask &= ~CDC_SELECT_DISC; nslots = 3; + } else if (mechtype == mechtype_individual_changer || + mechtype == mechtype_cartridge_changer) { + nslots = cdrom_number_of_slots(cdi); + if (nslots > 1) + cdi->mask &= ~CDC_SELECT_DISC; } - else -#endif /* not STANDARD_ATAPI */ - if (cap.mechtype == mechtype_individual_changer || - cap.mechtype == mechtype_cartridge_changer) { - if ((nslots = cdrom_number_of_slots(cdi)) > 1) { - CDROM_CONFIG_FLAGS(drive)->is_changer = 1; - CDROM_CONFIG_FLAGS(drive)->supp_disc_present = 1; - } - } + ide_cdrom_update_speed(drive, buf); - ide_cdrom_update_speed(drive, &cap); - /* don't print speed if the drive reported 0. - */ printk(KERN_INFO "%s: ATAPI", drive->name); - if (CDROM_CONFIG_FLAGS(drive)->max_speed) - printk(" %dX", CDROM_CONFIG_FLAGS(drive)->max_speed); - printk(" %s", CDROM_CONFIG_FLAGS(drive)->dvd ? "DVD-ROM" : "CD-ROM"); - if (CDROM_CONFIG_FLAGS(drive)->dvd_r|CDROM_CONFIG_FLAGS(drive)->dvd_ram) - printk(" DVD%s%s", - (CDROM_CONFIG_FLAGS(drive)->dvd_r)? "-R" : "", - (CDROM_CONFIG_FLAGS(drive)->dvd_ram)? "-RAM" : ""); + /* don't print speed if the drive reported 0 */ + if (cd->max_speed) + printk(KERN_CONT " %dX", cd->max_speed); - if (CDROM_CONFIG_FLAGS(drive)->cd_r|CDROM_CONFIG_FLAGS(drive)->cd_rw) - printk(" CD%s%s", - (CDROM_CONFIG_FLAGS(drive)->cd_r)? "-R" : "", - (CDROM_CONFIG_FLAGS(drive)->cd_rw)? "/RW" : ""); + printk(KERN_CONT " %s", (cdi->mask & CDC_DVD) ? "CD-ROM" : "DVD-ROM"); - if (CDROM_CONFIG_FLAGS(drive)->is_changer) - printk(" changer w/%d slots", nslots); - else - printk(" drive"); + if ((cdi->mask & CDC_DVD_R) == 0 || (cdi->mask & CDC_DVD_RAM) == 0) + printk(KERN_CONT " DVD%s%s", + (cdi->mask & CDC_DVD_R) ? "" : "-R", + (cdi->mask & CDC_DVD_RAM) ? "" : "-RAM"); - printk(", %dkB Cache", be16_to_cpu(cap.buffer_size)); + if ((cdi->mask & CDC_CD_R) == 0 || (cdi->mask & CDC_CD_RW) == 0) + printk(KERN_CONT " CD%s%s", + (cdi->mask & CDC_CD_R) ? "" : "-R", + (cdi->mask & CDC_CD_RW) ? "" : "/RW"); - if (drive->using_dma) - ide_dma_verbose(drive); + if ((cdi->mask & CDC_SELECT_DISC) == 0) + printk(KERN_CONT " changer w/%d slots", nslots); + else + printk(KERN_CONT " drive"); - printk("\n"); + printk(KERN_CONT ", %dkB Cache\n", be16_to_cpu(*(u16 *)&buf[8 + 12])); return nslots; } @@ -3147,11 +1882,74 @@ static int ide_cdrom_prep_fn(struct request_queue *q, struct request *rq) return 0; } +struct cd_list_entry { + const char *id_model; + const char *id_firmware; + unsigned int cd_flags; +}; + +static const struct cd_list_entry ide_cd_quirks_list[] = { + /* Limit transfer size per interrupt. */ + { "SAMSUNG CD-ROM SCR-2430", NULL, IDE_CD_FLAG_LIMIT_NFRAMES }, + { "SAMSUNG CD-ROM SCR-2432", NULL, IDE_CD_FLAG_LIMIT_NFRAMES }, + /* SCR-3231 doesn't support the SET_CD_SPEED command. */ + { "SAMSUNG CD-ROM SCR-3231", NULL, IDE_CD_FLAG_NO_SPEED_SELECT }, + /* Old NEC260 (not R) was released before ATAPI 1.2 spec. */ + { "NEC CD-ROM DRIVE:260", "1.01", IDE_CD_FLAG_TOCADDR_AS_BCD | + IDE_CD_FLAG_PRE_ATAPI12, }, + /* Vertos 300, some versions of this drive like to talk BCD. */ + { "V003S0DS", NULL, IDE_CD_FLAG_VERTOS_300_SSD, }, + /* Vertos 600 ESD. */ + { "V006E0DS", NULL, IDE_CD_FLAG_VERTOS_600_ESD, }, + /* + * Sanyo 3 CD changer uses a non-standard command for CD changing + * (by default standard ATAPI support for CD changers is used). + */ + { "CD-ROM CDR-C3 G", NULL, IDE_CD_FLAG_SANYO_3CD }, + { "CD-ROM CDR-C3G", NULL, IDE_CD_FLAG_SANYO_3CD }, + { "CD-ROM CDR_C36", NULL, IDE_CD_FLAG_SANYO_3CD }, + /* Stingray 8X CD-ROM. */ + { "STINGRAY 8422 IDE 8X CD-ROM 7-27-95", NULL, IDE_CD_FLAG_PRE_ATAPI12}, + /* + * ACER 50X CD-ROM and WPI 32X CD-ROM require the full spec length + * mode sense page capabilities size, but older drives break. + */ + { "ATAPI CD ROM DRIVE 50X MAX", NULL, IDE_CD_FLAG_FULL_CAPS_PAGE }, + { "WPI CDS-32X", NULL, IDE_CD_FLAG_FULL_CAPS_PAGE }, + /* ACER/AOpen 24X CD-ROM has the speed fields byte-swapped. */ + { "", "241N", IDE_CD_FLAG_LE_SPEED_FIELDS }, + /* + * Some drives used by Apple don't advertise audio play + * but they do support reading TOC & audio datas. + */ + { "MATSHITADVD-ROM SR-8187", NULL, IDE_CD_FLAG_PLAY_AUDIO_OK }, + { "MATSHITADVD-ROM SR-8186", NULL, IDE_CD_FLAG_PLAY_AUDIO_OK }, + { "MATSHITADVD-ROM SR-8176", NULL, IDE_CD_FLAG_PLAY_AUDIO_OK }, + { "MATSHITADVD-ROM SR-8174", NULL, IDE_CD_FLAG_PLAY_AUDIO_OK }, + { NULL, NULL, 0 } +}; + +static unsigned int ide_cd_flags(struct hd_driveid *id) +{ + const struct cd_list_entry *cle = ide_cd_quirks_list; + + while (cle->id_model) { + if (strcmp(cle->id_model, id->model) == 0 && + (cle->id_firmware == NULL || + strstr(id->fw_rev, cle->id_firmware))) + return cle->cd_flags; + cle++; + } + + return 0; +} + static int ide_cdrom_setup (ide_drive_t *drive) { - struct cdrom_info *info = drive->driver_data; - struct cdrom_device_info *cdi = &info->devinfo; + struct cdrom_info *cd = drive->driver_data; + struct cdrom_device_info *cdi = &cd->devinfo; + struct hd_driveid *id = drive->id; int nslots; blk_queue_prep_rq(drive->queue, ide_cdrom_prep_fn); @@ -3162,101 +1960,21 @@ int ide_cdrom_setup (ide_drive_t *drive) drive->special.all = 0; - CDROM_STATE_FLAGS(drive)->media_changed = 1; - CDROM_STATE_FLAGS(drive)->toc_valid = 0; - CDROM_STATE_FLAGS(drive)->door_locked = 0; + cd->cd_flags = IDE_CD_FLAG_MEDIA_CHANGED | IDE_CD_FLAG_NO_EJECT | + ide_cd_flags(id); -#if NO_DOOR_LOCKING - CDROM_CONFIG_FLAGS(drive)->no_doorlock = 1; -#else - CDROM_CONFIG_FLAGS(drive)->no_doorlock = 0; -#endif + if ((id->config & 0x0060) == 0x20) + cd->cd_flags |= IDE_CD_FLAG_DRQ_INTERRUPT; - CDROM_CONFIG_FLAGS(drive)->drq_interrupt = ((drive->id->config & 0x0060) == 0x20); - CDROM_CONFIG_FLAGS(drive)->is_changer = 0; - CDROM_CONFIG_FLAGS(drive)->cd_r = 0; - CDROM_CONFIG_FLAGS(drive)->cd_rw = 0; - CDROM_CONFIG_FLAGS(drive)->test_write = 0; - CDROM_CONFIG_FLAGS(drive)->dvd = 0; - CDROM_CONFIG_FLAGS(drive)->dvd_r = 0; - CDROM_CONFIG_FLAGS(drive)->dvd_ram = 0; - CDROM_CONFIG_FLAGS(drive)->no_eject = 1; - CDROM_CONFIG_FLAGS(drive)->supp_disc_present = 0; - CDROM_CONFIG_FLAGS(drive)->audio_play = 0; - CDROM_CONFIG_FLAGS(drive)->close_tray = 1; - - /* limit transfer size per interrupt. */ - CDROM_CONFIG_FLAGS(drive)->limit_nframes = 0; - /* a testament to the nice quality of Samsung drives... */ - if (!strcmp(drive->id->model, "SAMSUNG CD-ROM SCR-2430")) - CDROM_CONFIG_FLAGS(drive)->limit_nframes = 1; - else if (!strcmp(drive->id->model, "SAMSUNG CD-ROM SCR-2432")) - CDROM_CONFIG_FLAGS(drive)->limit_nframes = 1; - /* the 3231 model does not support the SET_CD_SPEED command */ - else if (!strcmp(drive->id->model, "SAMSUNG CD-ROM SCR-3231")) - cdi->mask |= CDC_SELECT_SPEED; - -#if ! STANDARD_ATAPI - /* by default Sanyo 3 CD changer support is turned off and - ATAPI Rev 2.2+ standard support for CD changers is used */ - cdi->sanyo_slot = 0; - - CDROM_CONFIG_FLAGS(drive)->nec260 = 0; - CDROM_CONFIG_FLAGS(drive)->toctracks_as_bcd = 0; - CDROM_CONFIG_FLAGS(drive)->tocaddr_as_bcd = 0; - CDROM_CONFIG_FLAGS(drive)->playmsf_as_bcd = 0; - CDROM_CONFIG_FLAGS(drive)->subchan_as_bcd = 0; - - if (strcmp (drive->id->model, "V003S0DS") == 0 && - drive->id->fw_rev[4] == '1' && - drive->id->fw_rev[6] <= '2') { - /* Vertos 300. - Some versions of this drive like to talk BCD. */ - CDROM_CONFIG_FLAGS(drive)->toctracks_as_bcd = 1; - CDROM_CONFIG_FLAGS(drive)->tocaddr_as_bcd = 1; - CDROM_CONFIG_FLAGS(drive)->playmsf_as_bcd = 1; - CDROM_CONFIG_FLAGS(drive)->subchan_as_bcd = 1; - } - - else if (strcmp (drive->id->model, "V006E0DS") == 0 && - drive->id->fw_rev[4] == '1' && - drive->id->fw_rev[6] <= '2') { - /* Vertos 600 ESD. */ - CDROM_CONFIG_FLAGS(drive)->toctracks_as_bcd = 1; - } - else if (strcmp(drive->id->model, "NEC CD-ROM DRIVE:260") == 0 && - strncmp(drive->id->fw_rev, "1.01", 4) == 0) { /* FIXME */ - /* Old NEC260 (not R). - This drive was released before the 1.2 version - of the spec. */ - CDROM_CONFIG_FLAGS(drive)->tocaddr_as_bcd = 1; - CDROM_CONFIG_FLAGS(drive)->playmsf_as_bcd = 1; - CDROM_CONFIG_FLAGS(drive)->subchan_as_bcd = 1; - CDROM_CONFIG_FLAGS(drive)->nec260 = 1; - } - else if (strcmp(drive->id->model, "WEARNES CDD-120") == 0 && - strncmp(drive->id->fw_rev, "A1.1", 4) == 0) { /* FIXME */ - /* Wearnes */ - CDROM_CONFIG_FLAGS(drive)->playmsf_as_bcd = 1; - CDROM_CONFIG_FLAGS(drive)->subchan_as_bcd = 1; - } - /* Sanyo 3 CD changer uses a non-standard command - for CD changing */ - else if ((strcmp(drive->id->model, "CD-ROM CDR-C3 G") == 0) || - (strcmp(drive->id->model, "CD-ROM CDR-C3G") == 0) || - (strcmp(drive->id->model, "CD-ROM CDR_C36") == 0)) { - /* uses CD in slot 0 when value is set to 3 */ - cdi->sanyo_slot = 3; - } -#endif /* not STANDARD_ATAPI */ - - info->toc = NULL; - info->buffer = NULL; - info->sector_buffered = 0; - info->nsectors_buffered = 0; - info->changer_info = NULL; - info->last_block = 0; - info->start_seek = 0; + if ((cd->cd_flags & IDE_CD_FLAG_VERTOS_300_SSD) && + id->fw_rev[4] == '1' && id->fw_rev[6] <= '2') + cd->cd_flags |= (IDE_CD_FLAG_TOCTRACKS_AS_BCD | + IDE_CD_FLAG_TOCADDR_AS_BCD); + else if ((cd->cd_flags & IDE_CD_FLAG_VERTOS_600_ESD) && + id->fw_rev[4] == '1' && id->fw_rev[6] <= '2') + cd->cd_flags |= IDE_CD_FLAG_TOCTRACKS_AS_BCD; + else if (cd->cd_flags & IDE_CD_FLAG_SANYO_3CD) + cdi->sanyo_slot = 3; /* 3 => use CD in slot 0 */ nslots = ide_cdrom_probe_capabilities (drive); @@ -3271,7 +1989,7 @@ int ide_cdrom_setup (ide_drive_t *drive) if (ide_cdrom_register(drive, nslots)) { printk (KERN_ERR "%s: ide_cdrom_setup failed to register device with the cdrom driver.\n", drive->name); - info->devinfo.handle = NULL; + cd->devinfo.handle = NULL; return 1; } ide_cdrom_add_settings(drive); @@ -3311,7 +2029,6 @@ static void ide_cd_release(struct kref *kref) kfree(info->buffer); kfree(info->toc); - kfree(info->changer_info); if (devinfo->handle == drive && unregister_cdrom(devinfo)) printk(KERN_ERR "%s: %s failed to unregister device from the cdrom " "driver.\n", __FUNCTION__, drive->name); @@ -3467,7 +2184,9 @@ static int idecd_revalidate_disk(struct gendisk *disk) { struct cdrom_info *info = ide_cd_g(disk); struct request_sense sense; - cdrom_read_toc(info->drive, &sense); + + ide_cd_read_toc(info->drive, &sense); + return 0; } @@ -3537,19 +2256,12 @@ static int ide_cd_probe(ide_drive_t *drive) g->driverfs_dev = &drive->gendev; g->flags = GENHD_FL_CD | GENHD_FL_REMOVABLE; if (ide_cdrom_setup(drive)) { - struct cdrom_device_info *devinfo = &info->devinfo; ide_proc_unregister_driver(drive, &ide_cdrom_driver); - kfree(info->buffer); - kfree(info->toc); - kfree(info->changer_info); - if (devinfo->handle == drive && unregister_cdrom(devinfo)) - printk (KERN_ERR "%s: ide_cdrom_cleanup failed to unregister device from the cdrom driver.\n", drive->name); - kfree(info); - drive->driver_data = NULL; + ide_cd_release(&info->kref); goto failed; } - cdrom_read_toc(drive, &sense); + ide_cd_read_toc(drive, &sense); g->fops = &idecd_ops; g->flags |= GENHD_FL_REMOVABLE; add_disk(g); @@ -3572,6 +2284,7 @@ static int __init ide_cdrom_init(void) } MODULE_ALIAS("ide:*m-cdrom*"); +MODULE_ALIAS("ide-cd"); module_init(ide_cdrom_init); module_exit(ide_cdrom_exit); MODULE_LICENSE("GPL"); |