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mcd.c (13743) mcd.c (13770)
1/*
2 * Copyright 1993 by Holger Veit (data part)
3 * Copyright 1993 by Brian Moore (audio part)
4 * Changes Copyright 1993 by Gary Clark II
5 * Changes Copyright (C) 1994-1995 by Andrey A. Chernov, Moscow, Russia
6 *
7 * Rewrote probe routine to work on newer Mitsumi drives.
8 * Additional changes (C) 1994 by Jordan K. Hubbard

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35 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
36 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
37 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
38 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
39 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
40 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
41 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 *
1/*
2 * Copyright 1993 by Holger Veit (data part)
3 * Copyright 1993 by Brian Moore (audio part)
4 * Changes Copyright 1993 by Gary Clark II
5 * Changes Copyright (C) 1994-1995 by Andrey A. Chernov, Moscow, Russia
6 *
7 * Rewrote probe routine to work on newer Mitsumi drives.
8 * Additional changes (C) 1994 by Jordan K. Hubbard

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35 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
36 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
37 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
38 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
39 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
40 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
41 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 *
43 * $Id: mcd.c,v 1.61 1996/01/30 12:07:06 ache Exp $
43 * $Id: mcd.c,v 1.62 1996/01/30 13:15:22 ache Exp $
44 */
45static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";
46
47#include "mcd.h"
48#if NMCD > 0
49#include <sys/types.h>
50#include <sys/param.h>
51#include <sys/systm.h>

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181#ifdef NOTYET
182static void mcd_configure(struct mcd_data *cd);
183#endif
184static int mcd_get(int unit, char *buf, int nmax);
185static int mcd_setflags(int unit,struct mcd_data *cd);
186static int mcd_getstat(int unit,int sflg);
187static int mcd_send(int unit, int cmd,int nretrys);
188static void hsg2msf(int hsg, bcd_t *msf);
44 */
45static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";
46
47#include "mcd.h"
48#if NMCD > 0
49#include <sys/types.h>
50#include <sys/param.h>
51#include <sys/systm.h>

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181#ifdef NOTYET
182static void mcd_configure(struct mcd_data *cd);
183#endif
184static int mcd_get(int unit, char *buf, int nmax);
185static int mcd_setflags(int unit,struct mcd_data *cd);
186static int mcd_getstat(int unit,int sflg);
187static int mcd_send(int unit, int cmd,int nretrys);
188static void hsg2msf(int hsg, bcd_t *msf);
189static int msf2hsg(bcd_t *msf);
189static int msf2hsg(bcd_t *msf, int relative);
190static int mcd_volinfo(int unit);
191static int mcd_waitrdy(int port,int dly);
192static void mcd_doread(int state, struct mcd_mbx *mbxin);
193static void mcd_soft_reset(int unit);
194static int mcd_hard_reset(int unit);
195static int mcd_setmode(int unit, int mode);
196static int mcd_getqchan(int unit, struct mcd_qchninfo *q);
197static int mcd_subchan(int unit, struct ioc_read_subchannel *sc);

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696int mcdsize(dev_t dev)
697{
698 int size;
699 int unit = mcd_unit(dev);
700 struct mcd_data *cd = mcd_data + unit;
701
702 if (mcd_volinfo(unit) == 0) {
703 cd->blksize = MCDBLK;
190static int mcd_volinfo(int unit);
191static int mcd_waitrdy(int port,int dly);
192static void mcd_doread(int state, struct mcd_mbx *mbxin);
193static void mcd_soft_reset(int unit);
194static int mcd_hard_reset(int unit);
195static int mcd_setmode(int unit, int mode);
196static int mcd_getqchan(int unit, struct mcd_qchninfo *q);
197static int mcd_subchan(int unit, struct ioc_read_subchannel *sc);

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696int mcdsize(dev_t dev)
697{
698 int size;
699 int unit = mcd_unit(dev);
700 struct mcd_data *cd = mcd_data + unit;
701
702 if (mcd_volinfo(unit) == 0) {
703 cd->blksize = MCDBLK;
704 size = msf2hsg(cd->volinfo.vol_msf);
704 size = msf2hsg(cd->volinfo.vol_msf, 0);
705 cd->disksize = size * (MCDBLK/DEV_BSIZE);
706 return 0;
707 }
708 return -1;
709}
710
711/***************************************************************
712 * lower level of driver starts here

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937/*MCD_TRACE("mcd_send: done\n",0,0,0,0);*/
938 return 0;
939}
940
941static void
942hsg2msf(int hsg, bcd_t *msf)
943{
944 hsg += 150;
705 cd->disksize = size * (MCDBLK/DEV_BSIZE);
706 return 0;
707 }
708 return -1;
709}
710
711/***************************************************************
712 * lower level of driver starts here

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937/*MCD_TRACE("mcd_send: done\n",0,0,0,0);*/
938 return 0;
939}
940
941static void
942hsg2msf(int hsg, bcd_t *msf)
943{
944 hsg += 150;
945 M_msf(msf) = bin2bcd(hsg / 4500);
946 hsg %= 4500;
947 S_msf(msf) = bin2bcd(hsg / 75);
948 F_msf(msf) = bin2bcd(hsg % 75);
945 F_msf(msf) = bin2bcd(hsg % 75);
946 hsg /= 75;
947 S_msf(msf) = bin2bcd(hsg % 60);
948 hsg /= 60;
949 M_msf(msf) = bin2bcd(hsg);
949}
950
951static int
950}
951
952static int
952msf2hsg(bcd_t *msf)
953msf2hsg(bcd_t *msf, int relative)
953{
954{
954 return (bcd2bin(M_msf(msf)) * 60 +
955 bcd2bin(S_msf(msf))) * 75 +
956 bcd2bin(F_msf(msf)) - 150;
955 return (bcd2bin(M_msf(msf)) * 60 + bcd2bin(S_msf(msf))) * 75 +
956 bcd2bin(F_msf(msf)) - (!relative) * 150;
957}
958
959static int
960mcd_volinfo(int unit)
961{
962 struct mcd_data *cd = mcd_data + unit;
963
964 /* Just return if we already have it */

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1338mcd_toc_header(int unit, struct ioc_toc_header *th)
1339{
1340 struct mcd_data *cd = mcd_data + unit;
1341 int r;
1342
1343 if ((r = mcd_volinfo(unit)) != 0)
1344 return r;
1345
957}
958
959static int
960mcd_volinfo(int unit)
961{
962 struct mcd_data *cd = mcd_data + unit;
963
964 /* Just return if we already have it */

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1338mcd_toc_header(int unit, struct ioc_toc_header *th)
1339{
1340 struct mcd_data *cd = mcd_data + unit;
1341 int r;
1342
1343 if ((r = mcd_volinfo(unit)) != 0)
1344 return r;
1345
1346 th->len = msf2hsg(cd->volinfo.vol_msf);
1346 th->len = msf2hsg(cd->volinfo.vol_msf, 0);
1347 th->starting_track = bcd2bin(cd->volinfo.trk_low);
1348 th->ending_track = bcd2bin(cd->volinfo.trk_high);
1349
1350 return 0;
1351}
1352
1353static int
1354mcd_read_toc(int unit)

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1476 switch (te->address_format) {
1477 case CD_MSF_FORMAT:
1478 entries[n].addr.msf.unused = 0;
1479 entries[n].addr.msf.minute = bcd2bin(cd->toc[trk].hd_pos_msf[0]);
1480 entries[n].addr.msf.second = bcd2bin(cd->toc[trk].hd_pos_msf[1]);
1481 entries[n].addr.msf.frame = bcd2bin(cd->toc[trk].hd_pos_msf[2]);
1482 break;
1483 case CD_LBA_FORMAT:
1347 th->starting_track = bcd2bin(cd->volinfo.trk_low);
1348 th->ending_track = bcd2bin(cd->volinfo.trk_high);
1349
1350 return 0;
1351}
1352
1353static int
1354mcd_read_toc(int unit)

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1476 switch (te->address_format) {
1477 case CD_MSF_FORMAT:
1478 entries[n].addr.msf.unused = 0;
1479 entries[n].addr.msf.minute = bcd2bin(cd->toc[trk].hd_pos_msf[0]);
1480 entries[n].addr.msf.second = bcd2bin(cd->toc[trk].hd_pos_msf[1]);
1481 entries[n].addr.msf.frame = bcd2bin(cd->toc[trk].hd_pos_msf[2]);
1482 break;
1483 case CD_LBA_FORMAT:
1484 entries[n].addr.lba = msf2hsg(cd->toc[trk].hd_pos_msf);
1484 entries[n].addr.lba = htonl(msf2hsg(cd->toc[trk].hd_pos_msf, 0));
1485 break;
1486 }
1487 len -= sizeof(struct cd_toc_entry);
1488 n++;
1489 }
1490
1491 /* copy the data back */
1492 return copyout(entries, te->data, n * sizeof(struct cd_toc_entry));
1493}
1494
1495static int
1496mcd_stop(int unit)
1497{
1498 struct mcd_data *cd = mcd_data + unit;
1499
1500 /* Verify current status */
1501 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS &&
1485 break;
1486 }
1487 len -= sizeof(struct cd_toc_entry);
1488 n++;
1489 }
1490
1491 /* copy the data back */
1492 return copyout(entries, te->data, n * sizeof(struct cd_toc_entry));
1493}
1494
1495static int
1496mcd_stop(int unit)
1497{
1498 struct mcd_data *cd = mcd_data + unit;
1499
1500 /* Verify current status */
1501 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS &&
1502 cd->audio_status != CD_AS_PLAY_PAUSED) {
1502 cd->audio_status != CD_AS_PLAY_PAUSED &&
1503 cd->audio_status != CD_AS_PLAY_COMPLETED) {
1503 if (cd->debug)
1504 if (cd->debug)
1504 printf("mcd%d: stop attempted when not playing\n", unit);
1505 printf("mcd%d: stop attempted when not playing, audio status %d\n",
1506 unit, cd->audio_status);
1505 return EINVAL;
1506 }
1507 if (cd->audio_status == CD_AS_PLAY_IN_PROGRESS)
1508 if (mcd_send(unit, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
1509 return EIO;
1510 cd->audio_status = CD_AS_PLAY_COMPLETED;
1511 return 0;
1512}

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1534}
1535
1536static int
1537mcd_subchan(int unit, struct ioc_read_subchannel *sc)
1538{
1539 struct mcd_data *cd = mcd_data + unit;
1540 struct mcd_qchninfo q;
1541 struct cd_sub_channel_info data;
1507 return EINVAL;
1508 }
1509 if (cd->audio_status == CD_AS_PLAY_IN_PROGRESS)
1510 if (mcd_send(unit, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
1511 return EIO;
1512 cd->audio_status = CD_AS_PLAY_COMPLETED;
1513 return 0;
1514}

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1536}
1537
1538static int
1539mcd_subchan(int unit, struct ioc_read_subchannel *sc)
1540{
1541 struct mcd_data *cd = mcd_data + unit;
1542 struct mcd_qchninfo q;
1543 struct cd_sub_channel_info data;
1544 int lba;
1542
1543 if (cd->debug)
1544 printf("mcd%d: subchan af=%d, df=%d\n", unit,
1545 sc->address_format,
1546 sc->data_format);
1547
1548 if (sc->address_format != CD_MSF_FORMAT &&
1549 sc->address_format != CD_LBA_FORMAT)

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1554
1555 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1556 return EIO;
1557
1558 if (mcd_getqchan(unit, &q) < 0)
1559 return EIO;
1560
1561 data.header.audio_status = cd->audio_status;
1545
1546 if (cd->debug)
1547 printf("mcd%d: subchan af=%d, df=%d\n", unit,
1548 sc->address_format,
1549 sc->data_format);
1550
1551 if (sc->address_format != CD_MSF_FORMAT &&
1552 sc->address_format != CD_LBA_FORMAT)

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1557
1558 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1559 return EIO;
1560
1561 if (mcd_getqchan(unit, &q) < 0)
1562 return EIO;
1563
1564 data.header.audio_status = cd->audio_status;
1562 data.what.position.data_format = CD_CURRENT_POSITION;
1565 data.what.position.data_format = sc->data_format;
1563 data.what.position.control = q.control;
1564 data.what.position.addr_type = q.addr_type;
1565 data.what.position.track_number = bcd2bin(q.trk_no);
1566 data.what.position.index_number = bcd2bin(q.idx_no);
1567 switch (sc->address_format) {
1568 case CD_MSF_FORMAT:
1569 data.what.position.reladdr.msf.unused = 0;
1570 data.what.position.reladdr.msf.minute = bcd2bin(q.trk_size_msf[0]);
1571 data.what.position.reladdr.msf.second = bcd2bin(q.trk_size_msf[1]);
1572 data.what.position.reladdr.msf.frame = bcd2bin(q.trk_size_msf[2]);
1573 data.what.position.absaddr.msf.unused = 0;
1574 data.what.position.absaddr.msf.minute = bcd2bin(q.hd_pos_msf[0]);
1575 data.what.position.absaddr.msf.second = bcd2bin(q.hd_pos_msf[1]);
1576 data.what.position.absaddr.msf.frame = bcd2bin(q.hd_pos_msf[2]);
1577 break;
1578 case CD_LBA_FORMAT:
1566 data.what.position.control = q.control;
1567 data.what.position.addr_type = q.addr_type;
1568 data.what.position.track_number = bcd2bin(q.trk_no);
1569 data.what.position.index_number = bcd2bin(q.idx_no);
1570 switch (sc->address_format) {
1571 case CD_MSF_FORMAT:
1572 data.what.position.reladdr.msf.unused = 0;
1573 data.what.position.reladdr.msf.minute = bcd2bin(q.trk_size_msf[0]);
1574 data.what.position.reladdr.msf.second = bcd2bin(q.trk_size_msf[1]);
1575 data.what.position.reladdr.msf.frame = bcd2bin(q.trk_size_msf[2]);
1576 data.what.position.absaddr.msf.unused = 0;
1577 data.what.position.absaddr.msf.minute = bcd2bin(q.hd_pos_msf[0]);
1578 data.what.position.absaddr.msf.second = bcd2bin(q.hd_pos_msf[1]);
1579 data.what.position.absaddr.msf.frame = bcd2bin(q.hd_pos_msf[2]);
1580 break;
1581 case CD_LBA_FORMAT:
1579 data.what.position.reladdr.lba = msf2hsg(q.trk_size_msf);
1580 data.what.position.absaddr.lba = msf2hsg(q.hd_pos_msf);
1582 lba = msf2hsg(q.trk_size_msf, 1);
1583 /*
1584 * Pre-gap has index number of 0, and decreasing MSF
1585 * address. Must be converted to negative LBA, per
1586 * SCSI spec.
1587 */
1588 if (data.what.position.index_number == 0)
1589 lba = -lba;
1590 data.what.position.reladdr.lba = htonl(lba);
1591 data.what.position.absaddr.lba = htonl(msf2hsg(q.hd_pos_msf, 0));
1581 break;
1582 }
1583
1584 return copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len));
1585}
1586
1587static int
1588mcd_playmsf(int unit, struct ioc_play_msf *pt)

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1676static int
1677mcd_pause(int unit)
1678{
1679 struct mcd_data *cd = mcd_data + unit;
1680 struct mcd_qchninfo q;
1681 int rc;
1682
1683 /* Verify current status */
1592 break;
1593 }
1594
1595 return copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len));
1596}
1597
1598static int
1599mcd_playmsf(int unit, struct ioc_play_msf *pt)

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1687static int
1688mcd_pause(int unit)
1689{
1690 struct mcd_data *cd = mcd_data + unit;
1691 struct mcd_qchninfo q;
1692 int rc;
1693
1694 /* Verify current status */
1684 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS) {
1695 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS &&
1696 cd->audio_status != CD_AS_PLAY_PAUSED) {
1685 if (cd->debug)
1697 if (cd->debug)
1686 printf("mcd%d: pause attempted when not playing\n", unit);
1698 printf("mcd%d: pause attempted when not playing, audio status %d\n",
1699 unit, cd->audio_status);
1687 return EINVAL;
1688 }
1689
1690 /* Get the current position */
1691 if (mcd_getqchan(unit, &q) < 0)
1692 return EIO;
1693
1694 /* Copy it into lastpb */

--- 43 unchanged lines hidden --- 		1700 return EINVAL;
1701 }
1702
1703 /* Get the current position */
1704 if (mcd_getqchan(unit, &q) < 0)
1705 return EIO;
1706
1707 /* Copy it into lastpb */

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