static int
mcd_pause(struct mcd_softc *sc)
{
struct mcd_qchninfo q;
int rc;
/* Verify current status */
if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS &&
sc->data.audio_status != CD_AS_PLAY_PAUSED) {
if (sc->data.debug)
device_printf(sc->dev,
"pause attempted when not playing, audio status %d\n",
sc->data.audio_status);
return (EINVAL);
}
/* Get the current position */
if (mcd_getqchan(sc, &q) < 0)
return (EIO);
/* Copy it into lastpb */
sc->data.lastpb.start_msf[0] = q.hd_pos_msf[0];
sc->data.lastpb.start_msf[1] = q.hd_pos_msf[1];
sc->data.lastpb.start_msf[2] = q.hd_pos_msf[2];
/* Stop playing */
if ((rc=mcd_stop(sc)) != 0)
return (rc);
/* Set the proper status and exit */
sc->data.audio_status = CD_AS_PLAY_PAUSED;
return (0);
}
int
mcd_pause(struct mcd_softc *sc)
{
union mcd_qchninfo q;
int error;
/* Verify current status. */
if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) {
printf("%s: pause: attempted when not playing\n",
device_xname(sc->sc_dev));
return EINVAL;
}
/* Get the current position. */
if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0)
return error;
/* Copy it into lastpb. */
sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0];
sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1];
sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2];
/* Stop playing. */
if ((error = mcd_stop(sc)) != 0)
return error;
/* Set the proper status and exit. */
sc->audio_status = CD_AS_PLAY_PAUSED;
return 0;
}
int
mcd_read_toc(struct mcd_softc *sc)
{
struct ioc_toc_header th;
union mcd_qchninfo q;
int error, trk, idx, retry;
if ((error = mcd_toc_header(sc, &th)) != 0)
return error;
if ((error = mcd_stop(sc)) != 0)
return error;
if (sc->debug)
printf("%s: read_toc: reading qchannel info\n",
device_xname(sc->sc_dev));
for (trk = th.starting_track; trk <= th.ending_track; trk++)
sc->toc[trk].toc.idx_no = 0x00;
trk = th.ending_track - th.starting_track + 1;
for (retry = 300; retry && trk > 0; retry--) {
if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0)
break;
if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00)
continue;
idx = bcd2bin(q.toc.idx_no);
if (idx < MCD_MAXTOCS &&
sc->toc[idx].toc.idx_no == 0x00) {
sc->toc[idx] = q;
trk--;
}
}
/* Inform the drive that we're finished so it turns off the light. */
if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
return error;
if (trk != 0)
return EINVAL;
/* Add a fake last+1 for mcd_playtracks(). */
idx = th.ending_track + 1;
sc->toc[idx].toc.control = sc->toc[idx-1].toc.control;
sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type;
sc->toc[idx].toc.trk_no = 0x00;
sc->toc[idx].toc.idx_no = 0xaa;
sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0];
sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1];
sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2];
return 0;
}
static int
mcd_subchan(struct mcd_softc *sc, struct ioc_read_subchannel *sch)
{
struct mcd_qchninfo q;
struct cd_sub_channel_info data;
int lba;
if (sc->data.debug)
device_printf(sc->dev, "subchan af=%d, df=%d\n",
sch->address_format,
sch->data_format);
if (sch->address_format != CD_MSF_FORMAT &&
sch->address_format != CD_LBA_FORMAT)
return (EINVAL);
if (sch->data_format != CD_CURRENT_POSITION &&
sch->data_format != CD_MEDIA_CATALOG)
return (EINVAL);
if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
return (EIO);
if (mcd_getqchan(sc, &q) < 0)
return (EIO);
data.header.audio_status = sc->data.audio_status;
data.what.position.data_format = sch->data_format;
switch (sch->data_format) {
case CD_MEDIA_CATALOG:
data.what.media_catalog.mc_valid = 1;
data.what.media_catalog.mc_number[0] = '\0';
break;
case CD_CURRENT_POSITION:
data.what.position.control = q.control;
data.what.position.addr_type = q.addr_type;
data.what.position.track_number = bcd2bin(q.trk_no);
data.what.position.index_number = bcd2bin(q.idx_no);
switch (sch->address_format) {
case CD_MSF_FORMAT:
data.what.position.reladdr.msf.unused = 0;
data.what.position.reladdr.msf.minute = bcd2bin(q.trk_size_msf[0]);
data.what.position.reladdr.msf.second = bcd2bin(q.trk_size_msf[1]);
data.what.position.reladdr.msf.frame = bcd2bin(q.trk_size_msf[2]);
data.what.position.absaddr.msf.unused = 0;
data.what.position.absaddr.msf.minute = bcd2bin(q.hd_pos_msf[0]);
data.what.position.absaddr.msf.second = bcd2bin(q.hd_pos_msf[1]);
data.what.position.absaddr.msf.frame = bcd2bin(q.hd_pos_msf[2]);
break;
case CD_LBA_FORMAT:
lba = msf2hsg(q.trk_size_msf, 1);
/*
* Pre-gap has index number of 0, and decreasing MSF
* address. Must be converted to negative LBA, per
* SCSI spec.
*/
if (data.what.position.index_number == 0)
lba = -lba;
data.what.position.reladdr.lba = htonl(lba);
data.what.position.absaddr.lba = htonl(msf2hsg(q.hd_pos_msf, 0));
break;
}
break;
}
return copyout(&data, sch->data, min(sizeof(struct cd_sub_channel_info), sch->data_len));
}
static int
mcd_read_toc(struct mcd_softc *sc)
{
struct ioc_toc_header th;
struct mcd_qchninfo q;
int rc, trk, idx, retry;
/* Only read TOC if needed */
if (sc->data.flags & MCDTOC)
return (0);
if (sc->data.debug)
device_printf(sc->dev, "reading toc header\n");
if ((rc = mcd_toc_header(sc, &th)) != 0)
return (rc);
if (mcd_send(sc, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
return (EIO);
if (mcd_setmode(sc, MCD_MD_TOC) != 0)
return (EIO);
if (sc->data.debug)
device_printf(sc->dev, "get_toc reading qchannel info\n");
for(trk=th.starting_track; trk<=th.ending_track; trk++)
sc->data.toc[trk].idx_no = 0;
trk = th.ending_track - th.starting_track + 1;
for(retry=0; retry<600 && trk>0; retry++)
{
if (mcd_getqchan(sc, &q) < 0) break;
idx = bcd2bin(q.idx_no);
if (idx>=th.starting_track && idx<=th.ending_track && q.trk_no==0) {
if (sc->data.toc[idx].idx_no == 0) {
sc->data.toc[idx] = q;
trk--;
}
}
}
if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
return (EIO);
if (trk != 0)
return (ENXIO);
/* add a fake last+1 */
idx = th.ending_track + 1;
sc->data.toc[idx].control = sc->data.toc[idx-1].control;
sc->data.toc[idx].addr_type = sc->data.toc[idx-1].addr_type;
sc->data.toc[idx].trk_no = 0;
sc->data.toc[idx].idx_no = MCD_LASTPLUS1;
sc->data.toc[idx].hd_pos_msf[0] = sc->data.volinfo.vol_msf[0];
sc->data.toc[idx].hd_pos_msf[1] = sc->data.volinfo.vol_msf[1];
sc->data.toc[idx].hd_pos_msf[2] = sc->data.volinfo.vol_msf[2];
if (sc->data.debug)
{ int i;
for (i = th.starting_track; i <= idx; i++)
device_printf(sc->dev, "trk %d idx %d pos %d %d %d\n",
i,
sc->data.toc[i].idx_no > 0x99 ? sc->data.toc[i].idx_no :
bcd2bin(sc->data.toc[i].idx_no),
bcd2bin(sc->data.toc[i].hd_pos_msf[0]),
bcd2bin(sc->data.toc[i].hd_pos_msf[1]),
bcd2bin(sc->data.toc[i].hd_pos_msf[2]));
}
sc->data.flags |= MCDTOC;
return (0);
}
int
mcd_read_subchannel(struct mcd_softc *sc, struct ioc_read_subchannel *ch, struct cd_sub_channel_info *info)
{
int len = ch->data_len;
union mcd_qchninfo q;
daddr_t lba;
int error;
if (sc->debug)
printf("%s: subchan: af=%d df=%d\n", device_xname(sc->sc_dev),
ch->address_format, ch->data_format);
if (len > sizeof(*info) || len < sizeof(info->header))
return EINVAL;
if (ch->address_format != CD_MSF_FORMAT &&
ch->address_format != CD_LBA_FORMAT)
return EINVAL;
if (ch->data_format != CD_CURRENT_POSITION &&
ch->data_format != CD_MEDIA_CATALOG)
return EINVAL;
if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0)
return error;
info->header.audio_status = sc->audio_status;
info->what.media_catalog.data_format = ch->data_format;
switch (ch->data_format) {
case CD_MEDIA_CATALOG:
info->what.media_catalog.mc_valid = 1;
#if 0
info->what.media_catalog.mc_number =
#endif
break;
case CD_CURRENT_POSITION:
info->what.position.track_number = bcd2bin(q.current.trk_no);
info->what.position.index_number = bcd2bin(q.current.idx_no);
switch (ch->address_format) {
case CD_MSF_FORMAT:
info->what.position.reladdr.addr[0] = 0;
info->what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]);
info->what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]);
info->what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]);
info->what.position.absaddr.addr[0] = 0;
info->what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]);
info->what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]);
info->what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]);
break;
case CD_LBA_FORMAT:
lba = msf2hsg(q.current.relative_pos, 1);
/*
* Pre-gap has index number of 0, and decreasing MSF
* address. Must be converted to negative LBA, per
* SCSI spec.
*/
if (info->what.position.index_number == 0x00)
lba = -lba;
info->what.position.reladdr.addr[0] = lba >> 24;
info->what.position.reladdr.addr[1] = lba >> 16;
info->what.position.reladdr.addr[2] = lba >> 8;
info->what.position.reladdr.addr[3] = lba;
lba = msf2hsg(q.current.absolute_pos, 0);
info->what.position.absaddr.addr[0] = lba >> 24;
info->what.position.absaddr.addr[1] = lba >> 16;
info->what.position.absaddr.addr[2] = lba >> 8;
info->what.position.absaddr.addr[3] = lba;
break;
}
break;
}
return 0;
}
