diff options
-rw-r--r-- | drivers/ide/ide-cd.c | 142 |
1 files changed, 75 insertions, 67 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index f4a0264bea6..1826c58d2f8 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -1998,6 +1998,24 @@ static int cdrom_read_toc(ide_drive_t *drive, struct request_sense *sense) return 0; } +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 = cdrom_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 cdrom_read_subchannel(ide_drive_t *drive, int format, char *buf, int buflen, struct request_sense *sense) @@ -2092,6 +2110,55 @@ static int cdrom_get_toc_entry(ide_drive_t *drive, int 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 = 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; +} + +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; + + 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); +} + /* the generic packet interface to cdrom.c */ static int ide_cdrom_packet(struct cdrom_device_info *cdi, struct packet_command *cgc) @@ -2123,81 +2190,22 @@ static int ide_cdrom_packet(struct cdrom_device_info *cdi, return cgc->stat; } -static -int ide_cdrom_audio_ioctl (struct cdrom_device_info *cdi, - unsigned int cmd, void *arg) - +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; - } - + 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; } |