forked from luck/tmp_suning_uos_patched
ide-cd: move code handling cdrom.c IOCTLs to ide-cd_ioctl.c
There should be no functionality changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
parent
139c829d9d
commit
17802998d2
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@ -40,7 +40,7 @@ obj-$(CONFIG_BLK_DEV_IDEPNP) += ide-pnp.o
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obj-$(CONFIG_IDE_H8300) += h8300/
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obj-$(CONFIG_IDE_GENERIC) += ide-generic.o
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ide-cd_mod-y += ide-cd.o ide-cd_verbose.o
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ide-cd_mod-y += ide-cd.o ide-cd_ioctl.o ide-cd_verbose.o
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obj-$(CONFIG_BLK_DEV_IDEDISK) += ide-disk.o
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obj-$(CONFIG_BLK_DEV_IDECD) += ide-cd_mod.o
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@ -206,7 +206,7 @@ void cdrom_analyze_sense_data(ide_drive_t *drive,
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/*
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* Initialize a ide-cd packet command request
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*/
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static void ide_cd_init_rq(ide_drive_t *drive, struct request *rq)
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void ide_cd_init_rq(ide_drive_t *drive, struct request *rq)
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{
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struct cdrom_info *cd = drive->driver_data;
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@ -1168,7 +1168,7 @@ static ide_startstop_t cdrom_do_packet_command (ide_drive_t *drive)
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return cdrom_start_packet_command(drive, len, cdrom_do_pc_continuation);
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}
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static int ide_cd_queue_pc(ide_drive_t *drive, struct request *rq)
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int ide_cd_queue_pc(ide_drive_t *drive, struct request *rq)
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{
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struct request_sense sense;
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int retries = 10;
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@ -1685,8 +1685,8 @@ static int cdrom_check_status(ide_drive_t *drive, struct request_sense *sense)
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}
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/* Lock the door if LOCKFLAG is nonzero; unlock it otherwise. */
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static int ide_cd_lockdoor(ide_drive_t *drive, int lockflag,
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struct request_sense *sense)
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int ide_cd_lockdoor(ide_drive_t *drive, int lockflag,
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struct request_sense *sense)
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{
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struct cdrom_info *cd = drive->driver_data;
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struct request_sense my_sense;
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@ -1817,9 +1817,8 @@ static int cdrom_read_tocentry(ide_drive_t *drive, int trackno, int msf_flag,
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return ide_cd_queue_pc(drive, &req);
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}
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/* Try to read the entire TOC for the disk into our internal buffer. */
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static int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense)
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int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense)
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{
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int stat, ntracks, i;
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struct cdrom_info *info = drive->driver_data;
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@ -1979,112 +1978,6 @@ static int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense)
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return 0;
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}
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static int ide_cd_read_tochdr(ide_drive_t *drive, void *arg)
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{
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struct cdrom_info *cd = drive->driver_data;
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struct cdrom_tochdr *tochdr = arg;
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struct atapi_toc *toc;
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int stat;
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/* Make sure our saved TOC is valid. */
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stat = ide_cd_read_toc(drive, NULL);
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if (stat)
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return stat;
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toc = cd->toc;
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tochdr->cdth_trk0 = toc->hdr.first_track;
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tochdr->cdth_trk1 = toc->hdr.last_track;
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return 0;
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}
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static int ide_cd_get_toc_entry(ide_drive_t *drive, int track,
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struct atapi_toc_entry **ent)
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{
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struct cdrom_info *info = drive->driver_data;
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struct atapi_toc *toc = info->toc;
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int ntracks;
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/*
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* don't serve cached data, if the toc isn't valid
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*/
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if ((info->cd_flags & IDE_CD_FLAG_TOC_VALID) == 0)
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return -EINVAL;
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/* Check validity of requested track number. */
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ntracks = toc->hdr.last_track - toc->hdr.first_track + 1;
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if (toc->hdr.first_track == CDROM_LEADOUT)
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ntracks = 0;
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if (track == CDROM_LEADOUT)
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*ent = &toc->ent[ntracks];
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else if (track < toc->hdr.first_track || track > toc->hdr.last_track)
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return -EINVAL;
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else
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*ent = &toc->ent[track - toc->hdr.first_track];
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return 0;
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}
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static int ide_cd_read_tocentry(ide_drive_t *drive, void *arg)
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{
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struct cdrom_tocentry *tocentry = arg;
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struct atapi_toc_entry *toce;
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int stat;
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stat = ide_cd_get_toc_entry(drive, tocentry->cdte_track, &toce);
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if (stat)
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return stat;
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tocentry->cdte_ctrl = toce->control;
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tocentry->cdte_adr = toce->adr;
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if (tocentry->cdte_format == CDROM_MSF) {
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lba_to_msf(toce->addr.lba,
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&tocentry->cdte_addr.msf.minute,
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&tocentry->cdte_addr.msf.second,
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&tocentry->cdte_addr.msf.frame);
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} else
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tocentry->cdte_addr.lba = toce->addr.lba;
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return 0;
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}
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static int ide_cd_fake_play_trkind(ide_drive_t *drive, void *arg)
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{
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struct cdrom_ti *ti = arg;
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struct atapi_toc_entry *first_toc, *last_toc;
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unsigned long lba_start, lba_end;
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int stat;
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struct request rq;
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struct request_sense sense;
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stat = ide_cd_get_toc_entry(drive, ti->cdti_trk0, &first_toc);
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if (stat)
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return stat;
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stat = ide_cd_get_toc_entry(drive, ti->cdti_trk1, &last_toc);
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if (stat)
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return stat;
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if (ti->cdti_trk1 != CDROM_LEADOUT)
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++last_toc;
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lba_start = first_toc->addr.lba;
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lba_end = last_toc->addr.lba;
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if (lba_end <= lba_start)
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return -EINVAL;
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ide_cd_init_rq(drive, &rq);
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rq.sense = &sense;
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rq.cmd[0] = GPCMD_PLAY_AUDIO_MSF;
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lba_to_msf(lba_start, &rq.cmd[3], &rq.cmd[4], &rq.cmd[5]);
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lba_to_msf(lba_end - 1, &rq.cmd[6], &rq.cmd[7], &rq.cmd[8]);
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return ide_cd_queue_pc(drive, &rq);
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}
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/* the generic packet interface to cdrom.c */
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static int ide_cdrom_packet(struct cdrom_device_info *cdi,
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struct packet_command *cgc)
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@ -2116,52 +2009,6 @@ static int ide_cdrom_packet(struct cdrom_device_info *cdi,
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return cgc->stat;
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}
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static int ide_cdrom_audio_ioctl(struct cdrom_device_info *cdi,
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unsigned int cmd, void *arg)
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{
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ide_drive_t *drive = cdi->handle;
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switch (cmd) {
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/*
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* emulate PLAY_AUDIO_TI command with PLAY_AUDIO_10, since
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* atapi doesn't support it
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*/
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case CDROMPLAYTRKIND:
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return ide_cd_fake_play_trkind(drive, arg);
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case CDROMREADTOCHDR:
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return ide_cd_read_tochdr(drive, arg);
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case CDROMREADTOCENTRY:
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return ide_cd_read_tocentry(drive, arg);
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default:
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return -EINVAL;
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}
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}
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static
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int ide_cdrom_reset (struct cdrom_device_info *cdi)
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{
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ide_drive_t *drive = cdi->handle;
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struct cdrom_info *cd = drive->driver_data;
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struct request_sense sense;
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struct request req;
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int ret;
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ide_cd_init_rq(drive, &req);
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req.cmd_type = REQ_TYPE_SPECIAL;
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req.cmd_flags = REQ_QUIET;
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ret = ide_do_drive_cmd(drive, &req, ide_wait);
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/*
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* A reset will unlock the door. If it was previously locked,
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* lock it again.
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*/
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if (cd->cd_flags & IDE_CD_FLAG_DOOR_LOCKED)
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(void)ide_cd_lockdoor(drive, 1, &sense);
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return ret;
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}
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static
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int ide_cdrom_tray_move (struct cdrom_device_info *cdi, int position)
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{
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@ -2178,15 +2025,7 @@ int ide_cdrom_tray_move (struct cdrom_device_info *cdi, int position)
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return cdrom_eject(drive, !position, &sense);
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}
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static
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int ide_cdrom_lock_door (struct cdrom_device_info *cdi, int lock)
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{
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ide_drive_t *drive = cdi->handle;
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return ide_cd_lockdoor(drive, lock, NULL);
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}
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static int ide_cdrom_get_capabilities(ide_drive_t *drive, u8 *buf)
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int ide_cdrom_get_capabilities(ide_drive_t *drive, u8 *buf)
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{
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struct cdrom_info *info = drive->driver_data;
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struct cdrom_device_info *cdi = &info->devinfo;
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@ -2205,7 +2044,7 @@ static int ide_cdrom_get_capabilities(ide_drive_t *drive, u8 *buf)
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return stat;
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}
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static void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf)
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void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf)
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{
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struct cdrom_info *cd = drive->driver_data;
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u16 curspeed, maxspeed;
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@ -2225,49 +2064,6 @@ static void ide_cdrom_update_speed(ide_drive_t *drive, u8 *buf)
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cd->max_speed = (maxspeed + (176/2)) / 176;
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}
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/*
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* ATAPI devices are free to select the speed you request or any slower
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* rate. :-( Requesting too fast a speed will _not_ produce an error.
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*/
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static int ide_cdrom_select_speed(struct cdrom_device_info *cdi, int speed)
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{
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ide_drive_t *drive = cdi->handle;
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struct cdrom_info *cd = drive->driver_data;
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struct request rq;
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struct request_sense sense;
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u8 buf[ATAPI_CAPABILITIES_PAGE_SIZE];
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int stat;
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ide_cd_init_rq(drive, &rq);
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rq.sense = &sense;
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if (speed == 0)
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speed = 0xffff; /* set to max */
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else
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speed *= 177; /* Nx to kbytes/s */
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rq.cmd[0] = GPCMD_SET_SPEED;
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/* Read Drive speed in kbytes/second MSB/LSB */
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rq.cmd[2] = (speed >> 8) & 0xff;
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rq.cmd[3] = speed & 0xff;
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if ((cdi->mask & (CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) !=
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(CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) {
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/* Write Drive speed in kbytes/second MSB/LSB */
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rq.cmd[4] = (speed >> 8) & 0xff;
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rq.cmd[5] = speed & 0xff;
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}
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stat = ide_cd_queue_pc(drive, &rq);
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if (!ide_cdrom_get_capabilities(drive, buf)) {
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ide_cdrom_update_speed(drive, buf);
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cdi->speed = cd->current_speed;
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}
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return 0;
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}
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/*
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* add logic to try GET_EVENT command first to check for media and tray
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* status. this should be supported by newer cd-r/w and all DVD etc
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@ -2314,59 +2110,6 @@ int ide_cdrom_drive_status (struct cdrom_device_info *cdi, int slot_nr)
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return CDS_DRIVE_NOT_READY;
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}
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static
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int ide_cdrom_get_last_session (struct cdrom_device_info *cdi,
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struct cdrom_multisession *ms_info)
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{
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struct atapi_toc *toc;
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ide_drive_t *drive = cdi->handle;
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struct cdrom_info *info = drive->driver_data;
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struct request_sense sense;
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int ret;
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if ((info->cd_flags & IDE_CD_FLAG_TOC_VALID) == 0 || !info->toc) {
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ret = ide_cd_read_toc(drive, &sense);
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if (ret)
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return ret;
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}
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toc = info->toc;
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ms_info->addr.lba = toc->last_session_lba;
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ms_info->xa_flag = toc->xa_flag;
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return 0;
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}
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static int ide_cdrom_get_mcn(struct cdrom_device_info *cdi,
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struct cdrom_mcn *mcn_info)
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{
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ide_drive_t *drive = cdi->handle;
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int stat, mcnlen;
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struct request rq;
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char buf[24];
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ide_cd_init_rq(drive, &rq);
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rq.data = buf;
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rq.data_len = sizeof(buf);
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rq.cmd[0] = GPCMD_READ_SUBCHANNEL;
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rq.cmd[1] = 2; /* MSF addressing */
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rq.cmd[2] = 0x40; /* request subQ data */
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rq.cmd[3] = 2; /* format */
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rq.cmd[8] = sizeof(buf);
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stat = ide_cd_queue_pc(drive, &rq);
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if (stat)
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return stat;
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mcnlen = sizeof(mcn_info->medium_catalog_number) - 1;
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memcpy(mcn_info->medium_catalog_number, buf + 9, mcnlen);
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mcn_info->medium_catalog_number[mcnlen] = '\0';
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return 0;
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}
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/****************************************************************************
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* Other driver requests (open, close, check media change).
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*/
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@ -148,4 +148,21 @@ struct cdrom_info {
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/* ide-cd_verbose.c */
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void ide_cd_log_error(const char *, struct request *, struct request_sense *);
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/* ide-cd.c functions used by ide-cd_ioctl.c */
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void ide_cd_init_rq(ide_drive_t *, struct request *);
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int ide_cd_queue_pc(ide_drive_t *, struct request *);
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int ide_cd_lockdoor(ide_drive_t *, int, struct request_sense *);
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int ide_cd_read_toc(ide_drive_t *, struct request_sense *);
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int ide_cdrom_get_capabilities(ide_drive_t *, u8 *);
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void ide_cdrom_update_speed(ide_drive_t *, u8 *);
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/* ide-cd_ioctl.c */
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int ide_cdrom_lock_door(struct cdrom_device_info *, int);
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int ide_cdrom_select_speed(struct cdrom_device_info *, int);
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int ide_cdrom_get_last_session(struct cdrom_device_info *,
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struct cdrom_multisession *);
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int ide_cdrom_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *);
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int ide_cdrom_reset(struct cdrom_device_info *cdi);
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int ide_cdrom_audio_ioctl(struct cdrom_device_info *, unsigned int, void *);
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#endif /* _IDE_CD_H */
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265
drivers/ide/ide-cd_ioctl.c
Normal file
265
drivers/ide/ide-cd_ioctl.c
Normal file
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@ -0,0 +1,265 @@
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/*
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* cdrom.c IOCTLs handling for ide-cd driver.
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*
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* Copyright (C) 1994-1996 Scott Snyder <snyder@fnald0.fnal.gov>
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* Copyright (C) 1996-1998 Erik Andersen <andersee@debian.org>
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* Copyright (C) 1998-2000 Jens Axboe <axboe@suse.de>
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*/
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#include <linux/kernel.h>
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#include <linux/cdrom.h>
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#include <linux/ide.h>
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#include "ide-cd.h"
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int ide_cdrom_lock_door(struct cdrom_device_info *cdi, int lock)
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{
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ide_drive_t *drive = cdi->handle;
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return ide_cd_lockdoor(drive, lock, NULL);
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}
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/*
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* ATAPI devices are free to select the speed you request or any slower
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* rate. :-( Requesting too fast a speed will _not_ produce an error.
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*/
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int ide_cdrom_select_speed(struct cdrom_device_info *cdi, int speed)
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{
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ide_drive_t *drive = cdi->handle;
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struct cdrom_info *cd = drive->driver_data;
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struct request rq;
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struct request_sense sense;
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u8 buf[ATAPI_CAPABILITIES_PAGE_SIZE];
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int stat;
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ide_cd_init_rq(drive, &rq);
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rq.sense = &sense;
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if (speed == 0)
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speed = 0xffff; /* set to max */
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else
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speed *= 177; /* Nx to kbytes/s */
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rq.cmd[0] = GPCMD_SET_SPEED;
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/* Read Drive speed in kbytes/second MSB/LSB */
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rq.cmd[2] = (speed >> 8) & 0xff;
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rq.cmd[3] = speed & 0xff;
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if ((cdi->mask & (CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) !=
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(CDC_CD_R | CDC_CD_RW | CDC_DVD_R)) {
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/* Write Drive speed in kbytes/second MSB/LSB */
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rq.cmd[4] = (speed >> 8) & 0xff;
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rq.cmd[5] = speed & 0xff;
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}
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stat = ide_cd_queue_pc(drive, &rq);
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|
||||
if (!ide_cdrom_get_capabilities(drive, buf)) {
|
||||
ide_cdrom_update_speed(drive, buf);
|
||||
cdi->speed = cd->current_speed;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
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 ((info->cd_flags & IDE_CD_FLAG_TOC_VALID) == 0 || !info->toc) {
|
||||
ret = ide_cd_read_toc(drive, &sense);
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
|
||||
toc = info->toc;
|
||||
ms_info->addr.lba = toc->last_session_lba;
|
||||
ms_info->xa_flag = toc->xa_flag;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int ide_cdrom_get_mcn(struct cdrom_device_info *cdi,
|
||||
struct cdrom_mcn *mcn_info)
|
||||
{
|
||||
ide_drive_t *drive = cdi->handle;
|
||||
int stat, mcnlen;
|
||||
struct request rq;
|
||||
char buf[24];
|
||||
|
||||
ide_cd_init_rq(drive, &rq);
|
||||
|
||||
rq.data = buf;
|
||||
rq.data_len = sizeof(buf);
|
||||
|
||||
rq.cmd[0] = GPCMD_READ_SUBCHANNEL;
|
||||
rq.cmd[1] = 2; /* MSF addressing */
|
||||
rq.cmd[2] = 0x40; /* request subQ data */
|
||||
rq.cmd[3] = 2; /* format */
|
||||
rq.cmd[8] = sizeof(buf);
|
||||
|
||||
stat = ide_cd_queue_pc(drive, &rq);
|
||||
if (stat)
|
||||
return stat;
|
||||
|
||||
mcnlen = sizeof(mcn_info->medium_catalog_number) - 1;
|
||||
memcpy(mcn_info->medium_catalog_number, buf + 9, mcnlen);
|
||||
mcn_info->medium_catalog_number[mcnlen] = '\0';
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int ide_cdrom_reset(struct cdrom_device_info *cdi)
|
||||
{
|
||||
ide_drive_t *drive = cdi->handle;
|
||||
struct cdrom_info *cd = drive->driver_data;
|
||||
struct request_sense sense;
|
||||
struct request req;
|
||||
int ret;
|
||||
|
||||
ide_cd_init_rq(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 (cd->cd_flags & IDE_CD_FLAG_DOOR_LOCKED)
|
||||
(void)ide_cd_lockdoor(drive, 1, &sense);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int ide_cd_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 ((info->cd_flags & IDE_CD_FLAG_TOC_VALID) == 0)
|
||||
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];
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ide_cd_fake_play_trkind(ide_drive_t *drive, void *arg)
|
||||
{
|
||||
struct cdrom_ti *ti = arg;
|
||||
struct atapi_toc_entry *first_toc, *last_toc;
|
||||
unsigned long lba_start, lba_end;
|
||||
int stat;
|
||||
struct request rq;
|
||||
struct request_sense sense;
|
||||
|
||||
stat = ide_cd_get_toc_entry(drive, ti->cdti_trk0, &first_toc);
|
||||
if (stat)
|
||||
return stat;
|
||||
|
||||
stat = ide_cd_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;
|
||||
|
||||
ide_cd_init_rq(drive, &rq);
|
||||
|
||||
rq.sense = &sense;
|
||||
rq.cmd[0] = GPCMD_PLAY_AUDIO_MSF;
|
||||
lba_to_msf(lba_start, &rq.cmd[3], &rq.cmd[4], &rq.cmd[5]);
|
||||
lba_to_msf(lba_end - 1, &rq.cmd[6], &rq.cmd[7], &rq.cmd[8]);
|
||||
|
||||
return ide_cd_queue_pc(drive, &rq);
|
||||
}
|
||||
|
||||
static int ide_cd_read_tochdr(ide_drive_t *drive, void *arg)
|
||||
{
|
||||
struct cdrom_info *cd = drive->driver_data;
|
||||
struct cdrom_tochdr *tochdr = arg;
|
||||
struct atapi_toc *toc;
|
||||
int stat;
|
||||
|
||||
/* Make sure our saved TOC is valid. */
|
||||
stat = ide_cd_read_toc(drive, NULL);
|
||||
if (stat)
|
||||
return stat;
|
||||
|
||||
toc = cd->toc;
|
||||
tochdr->cdth_trk0 = toc->hdr.first_track;
|
||||
tochdr->cdth_trk1 = toc->hdr.last_track;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ide_cd_read_tocentry(ide_drive_t *drive, void *arg)
|
||||
{
|
||||
struct cdrom_tocentry *tocentry = arg;
|
||||
struct atapi_toc_entry *toce;
|
||||
int stat;
|
||||
|
||||
stat = ide_cd_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;
|
||||
}
|
||||
|
||||
int ide_cdrom_audio_ioctl(struct cdrom_device_info *cdi,
|
||||
unsigned int cmd, void *arg)
|
||||
{
|
||||
ide_drive_t *drive = cdi->handle;
|
||||
|
||||
switch (cmd) {
|
||||
/*
|
||||
* emulate PLAY_AUDIO_TI command with PLAY_AUDIO_10, since
|
||||
* atapi doesn't support it
|
||||
*/
|
||||
case CDROMPLAYTRKIND:
|
||||
return ide_cd_fake_play_trkind(drive, arg);
|
||||
case CDROMREADTOCHDR:
|
||||
return ide_cd_read_tochdr(drive, arg);
|
||||
case CDROMREADTOCENTRY:
|
||||
return ide_cd_read_tocentry(drive, arg);
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user