d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

READSUBCHANNEL:

Browse Source 
complete implementation of CD_MSF_FORMAT
implement CD_LBA_FORMAT
Issue STOP before reading toc entries
This commit is contained in:
Andrey A. Chernov 1995-02-23 17:40:16 +00:00
parent 7f3ae831f7
commit 32a61937d7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=6665
2 changed files with 50 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
sys/dev/mcd/mcd.c
View File

@ -40,7 +40,7 @@
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: mcd.c,v 1.37 1995/02/22 01:11:36 ache Exp $
* $Id: mcd.c,v 1.38 1995/02/22 02:12:10 ache Exp $
*/
static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";
@ -210,7 +210,7 @@ struct isa_driver mcddriver = { mcd_probe, mcd_attach, "mcd" };
#define RDELAY_WAITREAD 800
#define MIN_DELAY 15
#define DELAY_GETREPLY 1400000
#define DELAY_GETREPLY 1500000
static struct kern_devconf kdc_mcd[NMCD] = { {
0, 0, 0, /* filled in by dev_attach */
@ -1321,6 +1321,9 @@ mcd_read_toc(int unit)
if ((rc = mcd_toc_header(unit, &th)) != 0)
return rc;
if (mcd_send(unit, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
return EIO;
if (mcd_setmode(unit, MCD_MD_TOC) != 0)
return EIO;
@ -1459,7 +1462,7 @@ mcd_getqchan(int unit, struct mcd_qchninfo *q)
if (mcd_get(unit, (char *) q, sizeof(struct mcd_qchninfo)) < 0)
return -1;
if (cd->debug) {
printf("mcd%d: getqchan ctl=%d trk=%d ind=%d ttm=%d:%d.%d dtm=%d:%d.%d\n",
printf("mcd%d: getqchan ctrl_adr=0x%x trk=%d ind=%d ttm=%d:%d.%d dtm=%d:%d.%d\n",
unit,
q->ctrl_adr, bcd2bin(q->trk_no), bcd2bin(q->idx_no),
bcd2bin(q->trk_size_msf[0]), bcd2bin(q->trk_size_msf[1]),
@ -1482,7 +1485,8 @@ mcd_subchan(int unit, struct ioc_read_subchannel *sc)
sc->address_format,
sc->data_format);
if (sc->address_format != CD_MSF_FORMAT)
if (sc->address_format != CD_MSF_FORMAT &&
sc->address_format != CD_LBA_FORMAT)
return EINVAL;
if (sc->data_format != CD_CURRENT_POSITION)
@ -1495,8 +1499,12 @@ mcd_subchan(int unit, struct ioc_read_subchannel *sc)
return EIO;
data.header.audio_status = cd->audio_status;
data.what.position.data_format = CD_MSF_FORMAT;
data.what.position.data_format = CD_CURRENT_POSITION;
data.what.position.addr_type = q.ctrl_adr;
data.what.position.control = q.ctrl_adr >> 4;
data.what.position.track_number = bcd2bin(q.trk_no);
data.what.position.index_number = bcd2bin(q.idx_no);
if (sc->address_format == 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]);
@ -1505,6 +1513,10 @@ mcd_subchan(int unit, struct ioc_read_subchannel *sc)
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]);
} else if (sc->address_format == CD_LBA_FORMAT) {
data.what.position.reladdr.lba = msf2hsg(q.trk_size_msf);
data.what.position.absaddr.lba = msf2hsg(q.hd_pos_msf);
}
if (copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len))!=0)
return EFAULT;

22
sys/i386/isa/mcd.c
View File

@ -40,7 +40,7 @@
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: mcd.c,v 1.37 1995/02/22 01:11:36 ache Exp $
* $Id: mcd.c,v 1.38 1995/02/22 02:12:10 ache Exp $
*/
static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";
@ -210,7 +210,7 @@ struct isa_driver mcddriver = { mcd_probe, mcd_attach, "mcd" };
#define RDELAY_WAITREAD 800
#define MIN_DELAY 15
#define DELAY_GETREPLY 1400000
#define DELAY_GETREPLY 1500000
static struct kern_devconf kdc_mcd[NMCD] = { {
0, 0, 0, /* filled in by dev_attach */
@ -1321,6 +1321,9 @@ mcd_read_toc(int unit)
if ((rc = mcd_toc_header(unit, &th)) != 0)
return rc;
if (mcd_send(unit, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
return EIO;
if (mcd_setmode(unit, MCD_MD_TOC) != 0)
return EIO;
@ -1459,7 +1462,7 @@ mcd_getqchan(int unit, struct mcd_qchninfo *q)
if (mcd_get(unit, (char *) q, sizeof(struct mcd_qchninfo)) < 0)
return -1;
if (cd->debug) {
printf("mcd%d: getqchan ctl=%d trk=%d ind=%d ttm=%d:%d.%d dtm=%d:%d.%d\n",
printf("mcd%d: getqchan ctrl_adr=0x%x trk=%d ind=%d ttm=%d:%d.%d dtm=%d:%d.%d\n",
unit,
q->ctrl_adr, bcd2bin(q->trk_no), bcd2bin(q->idx_no),
bcd2bin(q->trk_size_msf[0]), bcd2bin(q->trk_size_msf[1]),
@ -1482,7 +1485,8 @@ mcd_subchan(int unit, struct ioc_read_subchannel *sc)
sc->address_format,
sc->data_format);
if (sc->address_format != CD_MSF_FORMAT)
if (sc->address_format != CD_MSF_FORMAT &&
sc->address_format != CD_LBA_FORMAT)
return EINVAL;
if (sc->data_format != CD_CURRENT_POSITION)
@ -1495,8 +1499,12 @@ mcd_subchan(int unit, struct ioc_read_subchannel *sc)
return EIO;
data.header.audio_status = cd->audio_status;
data.what.position.data_format = CD_MSF_FORMAT;
data.what.position.data_format = CD_CURRENT_POSITION;
data.what.position.addr_type = q.ctrl_adr;
data.what.position.control = q.ctrl_adr >> 4;
data.what.position.track_number = bcd2bin(q.trk_no);
data.what.position.index_number = bcd2bin(q.idx_no);
if (sc->address_format == 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]);
@ -1505,6 +1513,10 @@ mcd_subchan(int unit, struct ioc_read_subchannel *sc)
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]);
} else if (sc->address_format == CD_LBA_FORMAT) {
data.what.position.reladdr.lba = msf2hsg(q.trk_size_msf);
data.what.position.absaddr.lba = msf2hsg(q.hd_pos_msf);
}
if (copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len))!=0)
return EFAULT;