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
7 * Rewrote probe routine to work on newer Mitsumi drives.
8 * Additional changes (C) 1994 by Jordan K. Hubbard
10 * All rights reserved.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This software was developed by Holger Veit and Brian Moore
23 * for use with "386BSD" and similar operating systems.
24 * "Similar operating systems" includes mainly non-profit oriented
25 * systems for research and education, including but not restricted to
26 * "NetBSD", "FreeBSD", "Mach" (by CMU).
27 * 4. Neither the name of the developer(s) nor the name "386BSD"
28 * may be used to endorse or promote products derived from this
29 * software without specific prior written permission.
31 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY
32 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
33 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
34 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE
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.
45 static const char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";
49 #include <sys/param.h>
50 #include <sys/systm.h>
52 #include <sys/fcntl.h>
55 #include <sys/dkbad.h>
56 #include <sys/disklabel.h>
57 #include <sys/kernel.h>
59 #include <machine/clock.h>
61 #include <i386/isa/isa_device.h>
62 #include <i386/isa/mcdreg.h>
64 #define MCD_TRACE(format, args...) \
66 if (mcd_data[unit].debug) { \
67 printf("mcd%d: status=0x%02x: ", \
68 unit, mcd_data[unit].status); \
69 printf(format, ## args); \
73 #define mcd_part(dev) ((minor(dev)) & 7)
74 #define mcd_unit(dev) (((minor(dev)) & 0x38) >> 3)
75 #define mcd_phys(dev) (((minor(dev)) & 0x40) >> 6)
79 #define MCDVALID 0x0001 /* parameters loaded */
80 #define MCDINIT 0x0002 /* device is init'd */
81 #define MCDNEWMODEL 0x0004 /* device is new model */
82 #define MCDLABEL 0x0008 /* label is read */
83 #define MCDPROBING 0x0010 /* probing */
84 #define MCDREADRAW 0x0020 /* read raw mode (2352 bytes) */
85 #define MCDVOLINFO 0x0040 /* already read volinfo */
86 #define MCDTOC 0x0080 /* already read toc */
87 #define MCDMBXBSY 0x0100 /* local mbx is busy */
90 #define MCDAUDIOBSY MCD_ST_AUDIOBSY /* playing audio */
91 #define MCDDSKCHNG MCD_ST_DSKCHNG /* sensed change of disk */
92 #define MCDDSKIN MCD_ST_DSKIN /* sensed disk in drive */
93 #define MCDDOOROPEN MCD_ST_DOOROPEN /* sensed door open */
95 /* These are apparently the different states a mitsumi can get up to */
96 #define MCDCDABSENT 0x0030
97 #define MCDCDPRESENT 0x0020
98 #define MCDSCLOSED 0x0080
99 #define MCDSOPEN 0x00a0
101 #define MCD_MD_UNKNOWN (-1)
104 #define MCD_MAXTOCS 104 /* from the Linux driver */
105 #define MCD_LASTPLUS1 170 /* special toc entry */
107 #define MCD_TYPE_UNKNOWN 0
108 #define MCD_TYPE_LU002S 1
109 #define MCD_TYPE_LU005S 2
110 #define MCD_TYPE_LU006S 3
111 #define MCD_TYPE_FX001 4
112 #define MCD_TYPE_FX001D 5
127 static struct mcd_data {
137 struct disklabel dlabel;
138 int partflags[MAXPARTITIONS];
140 struct mcd_volinfo volinfo;
141 struct mcd_qchninfo toc[MCD_MAXTOCS];
144 struct mcd_read2 lastpb;
146 struct buf_queue_head head; /* head of buf queue */
150 /* reader state machine */
151 #define MCD_S_BEGIN 0
152 #define MCD_S_BEGIN1 1
153 #define MCD_S_WAITSTAT 2
154 #define MCD_S_WAITMODE 3
155 #define MCD_S_WAITREAD 4
158 static void mcd_start(int unit);
159 static int mcd_getdisklabel(int unit);
161 static void mcd_configure(struct mcd_data *cd);
163 static int mcd_get(int unit, char *buf, int nmax);
164 static int mcd_setflags(int unit,struct mcd_data *cd);
165 static int mcd_getstat(int unit,int sflg);
166 static int mcd_send(int unit, int cmd,int nretrys);
167 static void hsg2msf(int hsg, bcd_t *msf);
168 static int msf2hsg(bcd_t *msf, int relative);
169 static int mcd_volinfo(int unit);
170 static ointhand2_t mcdintr;
171 static int mcd_waitrdy(int port,int dly);
172 static timeout_t mcd_timeout;
173 static void mcd_doread(int state, struct mcd_mbx *mbxin);
174 static void mcd_soft_reset(int unit);
175 static int mcd_hard_reset(int unit);
176 static int mcd_setmode(int unit, int mode);
177 static int mcd_getqchan(int unit, struct mcd_qchninfo *q);
178 static int mcd_subchan(int unit, struct ioc_read_subchannel *sc);
179 static int mcd_toc_header(int unit, struct ioc_toc_header *th);
180 static int mcd_read_toc(int unit);
181 static int mcd_toc_entrys(int unit, struct ioc_read_toc_entry *te);
183 static int mcd_toc_entry(int unit, struct ioc_read_toc_single_entry *te);
185 static int mcd_stop(int unit);
186 static int mcd_eject(int unit);
187 static int mcd_inject(int unit);
188 static int mcd_playtracks(int unit, struct ioc_play_track *pt);
189 static int mcd_play(int unit, struct mcd_read2 *pb);
190 static int mcd_playmsf(int unit, struct ioc_play_msf *pt);
191 static int mcd_playblocks(int unit, struct ioc_play_blocks *);
192 static int mcd_pause(int unit);
193 static int mcd_resume(int unit);
194 static int mcd_lock_door(int unit, int lock);
195 static int mcd_close_tray(int unit);
197 static int mcd_probe(struct isa_device *dev);
198 static int mcd_attach(struct isa_device *dev);
199 struct isa_driver mcddriver = { mcd_probe, mcd_attach, "mcd" };
201 static d_open_t mcdopen;
202 static d_close_t mcdclose;
203 static d_ioctl_t mcdioctl;
204 static d_psize_t mcdsize;
205 static d_strategy_t mcdstrategy;
207 #define CDEV_MAJOR 29
212 static struct cdevsw mcd_cdevsw = {
214 /* close */ mcdclose,
217 /* ioctl */ mcdioctl,
220 /* devtotty */ nodevtotty,
223 /* strategy */ mcdstrategy,
226 /* maj */ CDEV_MAJOR,
231 /* bmaj */ BDEV_MAJOR
234 #define mcd_put(port,byte) outb(port,byte)
237 #define MCD_RDRETRYS 8
239 #define CLOSE_TRAY_SECS 8
240 #define DISK_SENSE_SECS 3
244 #define RDELAY_WAITSTAT 300
245 #define RDELAY_WAITMODE 300
246 #define RDELAY_WAITREAD 800
249 #define DELAY_GETREPLY 5000000
251 int mcd_attach(struct isa_device *dev)
253 int unit = dev->id_unit;
254 struct mcd_data *cd = mcd_data + unit;
256 dev->id_ointr = mcdintr;
257 cd->iobase = dev->id_iobase;
258 cd->flags |= MCDINIT;
259 mcd_soft_reset(unit);
260 bufq_init(&cd->head);
263 /* wire controller for interrupts and dma */
266 /* name filled in probe */
267 make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, 0),
268 UID_ROOT, GID_OPERATOR, 0640, "rmcd%da", unit);
269 make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, RAW_PART),
270 UID_ROOT, GID_OPERATOR, 0640, "rmcd%dc", unit);
271 make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, 0),
272 UID_ROOT, GID_OPERATOR, 0640, "mcd%da", unit);
273 make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, RAW_PART),
274 UID_ROOT, GID_OPERATOR, 0640, "mcd%dc", unit);
278 int mcdopen(dev_t dev, int flags, int fmt, struct proc *p)
280 int unit,part,phys,r,retry;
283 unit = mcd_unit(dev);
287 cd = mcd_data + unit;
288 part = mcd_part(dev);
289 phys = mcd_phys(dev);
292 if (!(cd->flags & MCDINIT))
295 /* invalidated in the meantime? mark all open part's invalid */
296 if (!(cd->flags & MCDVALID) && cd->openflags)
299 if (mcd_getstat(unit,1) == -1)
302 if ( (cd->status & (MCDDSKCHNG|MCDDOOROPEN))
303 || !(cd->status & MCDDSKIN))
304 for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) {
305 (void) tsleep((caddr_t)cd, PSOCK | PCATCH, "mcdsn1", hz/WAIT_FRAC);
306 if ((r = mcd_getstat(unit,1)) == -1)
312 if (( (cd->status & (MCDDOOROPEN|MCDDSKCHNG))
313 || !(cd->status & MCDDSKIN)
315 && major(dev) == CDEV_MAJOR && part == RAW_PART
317 cd->openflags |= (1<<part);
319 cd->partflags[part] |= MCDREADRAW;
322 if (cd->status & MCDDOOROPEN) {
323 printf("mcd%d: door is open\n", unit);
326 if (!(cd->status & MCDDSKIN)) {
327 printf("mcd%d: no CD inside\n", unit);
330 if (cd->status & MCDDSKCHNG) {
331 printf("mcd%d: CD not sensed\n", unit);
335 if (mcdsize(dev) < 0) {
336 if (major(dev) == CDEV_MAJOR && part == RAW_PART) {
337 cd->openflags |= (1<<part);
339 cd->partflags[part] |= MCDREADRAW;
342 printf("mcd%d: failed to get disk size\n",unit);
345 cd->flags |= MCDVALID;
347 /* XXX get a default disklabel */
348 mcd_getdisklabel(unit);
350 MCD_TRACE("open: partition=%d, disksize = %ld, blksize=%d\n",
351 part, cd->disksize, cd->blksize);
353 dev->si_bsize_phys = cd->blksize;
355 if (part == RAW_PART ||
356 (part < cd->dlabel.d_npartitions &&
357 cd->dlabel.d_partitions[part].p_fstype != FS_UNUSED)) {
358 cd->openflags |= (1<<part);
359 if (part == RAW_PART && phys)
360 cd->partflags[part] |= MCDREADRAW;
361 (void) mcd_lock_door(unit, MCD_LK_LOCK);
362 if (!(cd->flags & MCDVALID))
370 int mcdclose(dev_t dev, int flags, int fmt, struct proc *p)
375 unit = mcd_unit(dev);
379 cd = mcd_data + unit;
380 part = mcd_part(dev);
382 if (!(cd->flags & MCDINIT) || !(cd->openflags & (1<<part)))
385 MCD_TRACE("close: partition=%d\n", part);
387 (void) mcd_lock_door(unit, MCD_LK_UNLOCK);
388 cd->openflags &= ~(1<<part);
389 cd->partflags[part] &= ~MCDREADRAW;
395 mcdstrategy(struct buf *bp)
400 int unit = mcd_unit(bp->b_dev);
402 cd = mcd_data + unit;
405 /*MCD_TRACE("strategy: buf=0x%lx, unit=%ld, block#=%ld bcount=%ld\n",
406 bp,unit,bp->b_blkno,bp->b_bcount);*/
407 if (unit >= NMCD || bp->b_blkno < 0) {
408 printf("mcdstrategy: unit = %d, blkno = %ld, bcount = %ld\n",
409 unit, (long)bp->b_blkno, bp->b_bcount);
410 printf("mcd: mcdstratregy failure");
411 bp->b_error = EINVAL;
412 bp->b_flags |= B_ERROR;
416 /* if device invalidated (e.g. media change, door open), error */
417 if (!(cd->flags & MCDVALID)) {
418 MCD_TRACE("strategy: drive not valid\n");
424 if (!(bp->b_flags & B_READ)) {
429 /* no data to read */
430 if (bp->b_bcount == 0)
433 /* for non raw access, check partition limits */
434 if (mcd_part(bp->b_dev) != RAW_PART) {
435 if (!(cd->flags & MCDLABEL)) {
439 /* adjust transfer if necessary */
440 if (bounds_check_with_label(bp,&cd->dlabel,1) <= 0) {
444 bp->b_pblkno = bp->b_blkno;
450 bufqdisksort(&cd->head, bp);
453 /* now check whether we can perform processing */
458 bp->b_flags |= B_ERROR;
460 bp->b_resid = bp->b_bcount;
465 static void mcd_start(int unit)
467 struct mcd_data *cd = mcd_data + unit;
472 if (cd->flags & MCDMBXBSY) {
477 bp = bufq_first(&cd->head);
479 /* block found to process, dequeue */
480 /*MCD_TRACE("mcd_start: found block bp=0x%x\n",bp,0,0,0);*/
481 bufq_remove(&cd->head, bp);
490 if (!(cd->flags & MCDVALID)) {
491 MCD_TRACE("mcd_start: drive not valid\n");
495 p = cd->dlabel.d_partitions + mcd_part(bp->b_dev);
497 cd->flags |= MCDMBXBSY;
498 if (cd->partflags[mcd_part(bp->b_dev)] & MCDREADRAW)
499 cd->flags |= MCDREADRAW;
501 cd->mbx.port = cd->iobase;
502 cd->mbx.retry = MCD_RETRYS;
504 cd->mbx.p_offset = p->p_offset;
506 /* calling the read routine */
507 mcd_doread(MCD_S_BEGIN,&(cd->mbx));
508 /* triggers mcd_start, when successful finished */
512 int mcdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct proc *p)
515 int unit,part,retry,r;
517 unit = mcd_unit(dev);
518 part = mcd_part(dev);
519 cd = mcd_data + unit;
521 if (mcd_getstat(unit, 1) == -1) /* detect disk change too */
523 MCD_TRACE("ioctl called 0x%lx\n", cmd);
536 return mcd_eject(unit);
544 return mcd_hard_reset(unit);
546 return mcd_lock_door(unit, MCD_LK_UNLOCK);
548 return mcd_lock_door(unit, MCD_LK_LOCK);
550 return mcd_inject(unit);
553 if (!(cd->flags & MCDVALID)) {
554 if ( major(dev) != CDEV_MAJOR
556 || !(cd->openflags & (1<<RAW_PART))
559 if ( (cd->status & (MCDDSKCHNG|MCDDOOROPEN))
560 || !(cd->status & MCDDSKIN))
561 for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) {
562 (void) tsleep((caddr_t)cd, PSOCK | PCATCH, "mcdsn2", hz/WAIT_FRAC);
563 if ((r = mcd_getstat(unit,1)) == -1)
568 if ( (cd->status & (MCDDOOROPEN|MCDDSKCHNG))
569 || !(cd->status & MCDDSKIN)
573 cd->flags |= MCDVALID;
574 mcd_getdisklabel(unit);
576 cd->partflags[part] |= MCDREADRAW;
577 (void) mcd_lock_door(unit, MCD_LK_LOCK);
578 if (!(cd->flags & MCDVALID))
586 *(struct disklabel *) addr = cd->dlabel;
589 ((struct partinfo *) addr)->disklab = &cd->dlabel;
590 ((struct partinfo *) addr)->part =
591 &cd->dlabel.d_partitions[mcd_part(dev)];
595 * a bit silly, but someone might want to test something on a
600 if ((flags & FWRITE) == 0)
603 return setdisklabel(&cd->dlabel,
604 (struct disklabel *) addr,
609 case CDIOCPLAYTRACKS:
610 return mcd_playtracks(unit, (struct ioc_play_track *) addr);
611 case CDIOCPLAYBLOCKS:
612 return mcd_playblocks(unit, (struct ioc_play_blocks *) addr);
614 return mcd_playmsf(unit, (struct ioc_play_msf *) addr);
615 case CDIOCREADSUBCHANNEL:
616 return mcd_subchan(unit, (struct ioc_read_subchannel *) addr);
617 case CDIOREADTOCHEADER:
618 return mcd_toc_header(unit, (struct ioc_toc_header *) addr);
619 case CDIOREADTOCENTRYS:
620 return mcd_toc_entrys(unit, (struct ioc_read_toc_entry *) addr);
622 return mcd_resume(unit);
624 return mcd_pause(unit);
626 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
630 return mcd_stop(unit);
637 /* this could have been taken from scsi/cd.c, but it is not clear
638 * whether the scsi cd driver is linked in
640 static int mcd_getdisklabel(int unit)
642 struct mcd_data *cd = mcd_data + unit;
644 if (cd->flags & MCDLABEL)
647 bzero(&cd->dlabel,sizeof(struct disklabel));
648 /* filled with spaces first */
649 strncpy(cd->dlabel.d_typename," ",
650 sizeof(cd->dlabel.d_typename));
651 strncpy(cd->dlabel.d_typename, cd->name,
652 min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1));
653 strncpy(cd->dlabel.d_packname,"unknown ",
654 sizeof(cd->dlabel.d_packname));
655 cd->dlabel.d_secsize = cd->blksize;
656 cd->dlabel.d_nsectors = 100;
657 cd->dlabel.d_ntracks = 1;
658 cd->dlabel.d_ncylinders = (cd->disksize/100)+1;
659 cd->dlabel.d_secpercyl = 100;
660 cd->dlabel.d_secperunit = cd->disksize;
661 cd->dlabel.d_rpm = 300;
662 cd->dlabel.d_interleave = 1;
663 cd->dlabel.d_flags = D_REMOVABLE;
664 cd->dlabel.d_npartitions= 1;
665 cd->dlabel.d_partitions[0].p_offset = 0;
666 cd->dlabel.d_partitions[0].p_size = cd->disksize;
667 cd->dlabel.d_partitions[0].p_fstype = 9;
668 cd->dlabel.d_magic = DISKMAGIC;
669 cd->dlabel.d_magic2 = DISKMAGIC;
670 cd->dlabel.d_checksum = dkcksum(&cd->dlabel);
672 cd->flags |= MCDLABEL;
676 int mcdsize(dev_t dev)
679 int unit = mcd_unit(dev);
680 struct mcd_data *cd = mcd_data + unit;
682 if (mcd_volinfo(unit) == 0) {
683 cd->blksize = MCDBLK;
684 size = msf2hsg(cd->volinfo.vol_msf, 0);
685 cd->disksize = size * (MCDBLK/DEV_BSIZE);
691 /***************************************************************
692 * lower level of driver starts here
693 **************************************************************/
698 0x00,0x00,0x10,0x20,0x00,0x30,0x00,0x00,
699 0x00,0x10,0x40,0x50,0x00,0x00,0x00,0x00
704 0x00,0x01,0x00,0x03,0x00,0x05,0x06,0x07,
710 mcd_configure(struct mcd_data *cd)
712 outb(cd->iobase+mcd_config,cd->config);
716 /* Wait for non-busy - return 0 on timeout */
718 twiddle_thumbs(int port, int unit, int count, char *whine)
722 for (i = 0; i < count; i++) {
723 if (!(inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL))
727 printf("mcd%d: timeout %s\n", unit, whine);
731 /* check to see if a Mitsumi CD-ROM is attached to the ISA bus */
734 mcd_probe(struct isa_device *dev)
736 int port = dev->id_iobase;
737 int unit = dev->id_unit;
739 unsigned char stbytes[3];
743 cdevsw_add(&mcd_cdevsw);
745 mcd_data[unit].flags = MCDPROBING;
748 /* get irq/drq configuration word */
749 mcd_data[unit].config = irqs[dev->id_irq]; /* | drqs[dev->id_drq];*/
751 mcd_data[unit].config = 0;
755 outb(port+MCD_FLAGS, M_RESET);
758 * delay awhile by getting any pending garbage (old data) and
761 for (i = 1000000; i != 0; i--)
765 outb(port+MCD_DATA, MCD_CMDGETSTAT);
766 if (!twiddle_thumbs(port, unit, 1000000, "getting status"))
767 return 0; /* Timeout */
768 /* Get version information */
769 outb(port+MCD_DATA, MCD_CMDCONTINFO);
770 for (j = 0; j < 3; j++) {
771 if (!twiddle_thumbs(port, unit, 3000, "getting version info"))
773 stbytes[j] = (inb(port+MCD_DATA) & 0xFF);
775 if (stbytes[1] == stbytes[2])
777 if (stbytes[2] >= 4 || stbytes[1] != 'M') {
778 outb(port+MCD_CTRL, M_PICKLE);
779 mcd_data[unit].flags |= MCDNEWMODEL;
781 mcd_data[unit].read_command = MCD_CMDSINGLESPEEDREAD;
782 switch (stbytes[1]) {
784 if (stbytes[2] <= 2) {
785 mcd_data[unit].type = MCD_TYPE_LU002S;
786 mcd_data[unit].name = "Mitsumi LU002S";
787 } else if (stbytes[2] <= 5) {
788 mcd_data[unit].type = MCD_TYPE_LU005S;
789 mcd_data[unit].name = "Mitsumi LU005S";
791 mcd_data[unit].type = MCD_TYPE_LU006S;
792 mcd_data[unit].name = "Mitsumi LU006S";
796 mcd_data[unit].type = MCD_TYPE_FX001;
797 mcd_data[unit].name = "Mitsumi FX001";
800 mcd_data[unit].type = MCD_TYPE_FX001D;
801 mcd_data[unit].name = "Mitsumi FX001D";
802 mcd_data[unit].read_command = MCD_CMDDOUBLESPEEDREAD;
805 mcd_data[unit].type = MCD_TYPE_UNKNOWN;
806 mcd_data[unit].name = "Mitsumi ???";
809 printf("mcd%d: type %s, version info: %c %x\n", unit, mcd_data[unit].name,
810 stbytes[1], stbytes[2]);
817 mcd_waitrdy(int port,int dly)
821 /* wait until flag port senses status ready */
822 for (i=0; i<dly; i+=MIN_DELAY) {
823 if (!(inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL))
831 mcd_getreply(int unit,int dly)
833 struct mcd_data *cd = mcd_data + unit;
834 int port = cd->iobase;
836 /* wait data to become ready */
837 if (mcd_waitrdy(port,dly)<0) {
838 printf("mcd%d: timeout getreply\n",unit);
843 return inb(port+mcd_status) & 0xFF;
847 mcd_getstat(int unit,int sflg)
850 struct mcd_data *cd = mcd_data + unit;
851 int port = cd->iobase;
855 outb(port+mcd_command, MCD_CMDGETSTAT);
856 i = mcd_getreply(unit,DELAY_GETREPLY);
857 if (i<0 || (i & MCD_ST_CMDCHECK)) {
858 cd->curr_mode = MCD_MD_UNKNOWN;
864 if (mcd_setflags(unit,cd) < 0)
870 mcd_setflags(int unit, struct mcd_data *cd)
873 if ( (cd->status & (MCDDSKCHNG|MCDDOOROPEN))
874 || !(cd->status & MCDDSKIN)) {
875 MCD_TRACE("setflags: sensed DSKCHNG or DOOROPEN or !DSKIN\n");
876 mcd_soft_reset(unit);
880 if (cd->status & MCDAUDIOBSY)
881 cd->audio_status = CD_AS_PLAY_IN_PROGRESS;
882 else if (cd->audio_status == CD_AS_PLAY_IN_PROGRESS)
883 cd->audio_status = CD_AS_PLAY_COMPLETED;
888 mcd_get(int unit, char *buf, int nmax)
892 for (i=0; i<nmax; i++) {
894 if ((k = mcd_getreply(unit,DELAY_GETREPLY)) < 0) {
895 printf("mcd%d: timeout mcd_get\n",unit);
904 mcd_send(int unit, int cmd,int nretrys)
907 int port = mcd_data[unit].iobase;
909 /*MCD_TRACE("mcd_send: command = 0x%02x\n",cmd,0,0,0);*/
910 for (i=0; i<nretrys; i++) {
911 outb(port+mcd_command, cmd);
912 if ((k=mcd_getstat(unit,0)) != -1)
916 printf("mcd%d: media changed\n",unit);
920 printf("mcd%d: mcd_send retry cnt exceeded\n",unit);
923 /*MCD_TRACE("mcd_send: done\n",0,0,0,0);*/
928 hsg2msf(int hsg, bcd_t *msf)
931 F_msf(msf) = bin2bcd(hsg % 75);
933 S_msf(msf) = bin2bcd(hsg % 60);
935 M_msf(msf) = bin2bcd(hsg);
939 msf2hsg(bcd_t *msf, int relative)
941 return (bcd2bin(M_msf(msf)) * 60 + bcd2bin(S_msf(msf))) * 75 +
942 bcd2bin(F_msf(msf)) - (!relative) * 150;
946 mcd_volinfo(int unit)
948 struct mcd_data *cd = mcd_data + unit;
950 /* Just return if we already have it */
951 if (cd->flags & MCDVOLINFO) return 0;
953 /*MCD_TRACE("mcd_volinfo: enter\n",0,0,0,0);*/
955 /* send volume info command */
956 if (mcd_send(unit,MCD_CMDGETVOLINFO,MCD_RETRYS) < 0)
960 if (mcd_get(unit,(char*) &cd->volinfo,sizeof(struct mcd_volinfo)) < 0) {
961 printf("mcd%d: mcd_volinfo: error read data\n",unit);
965 if (cd->volinfo.trk_low > 0 &&
966 cd->volinfo.trk_high >= cd->volinfo.trk_low
968 cd->flags |= MCDVOLINFO; /* volinfo is OK */
979 MCD_TRACE("stray interrupt\n");
982 /* state machine to process read requests
983 * initialize with MCD_S_BEGIN: calculate sizes, and read status
984 * MCD_S_WAITSTAT: wait for status reply, set mode
985 * MCD_S_WAITMODE: waits for status reply from set mode, set read command
986 * MCD_S_WAITREAD: wait for read ready, read data
988 static struct mcd_mbx *mbxsave;
989 static struct callout_handle tohandle = CALLOUT_HANDLE_INITIALIZER(&tohandle);
992 mcd_timeout(void *arg)
994 mcd_doread((int)arg, mbxsave);
998 mcd_doread(int state, struct mcd_mbx *mbxin)
1000 struct mcd_mbx *mbx = (state!=MCD_S_BEGIN) ? mbxsave : mbxin;
1001 int unit = mbx->unit;
1002 int port = mbx->port;
1003 int com_port = mbx->port + mcd_command;
1004 int data_port = mbx->port + mcd_rdata;
1005 struct buf *bp = mbx->bp;
1006 struct mcd_data *cd = mcd_data + unit;
1009 struct mcd_read2 rbuf;
1016 mbx = mbxsave = mbxin;
1021 outb(com_port, MCD_CMDGETSTAT);
1022 mbx->count = RDELAY_WAITSTAT;
1023 tohandle = timeout(mcd_timeout,
1024 (caddr_t)MCD_S_WAITSTAT,hz/100); /* XXX */
1026 case MCD_S_WAITSTAT:
1027 untimeout(mcd_timeout,(caddr_t)MCD_S_WAITSTAT, tohandle);
1028 if (mbx->count-- >= 0) {
1029 if (inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) {
1030 timeout(mcd_timeout,
1031 (caddr_t)MCD_S_WAITSTAT,hz/100); /* XXX */
1034 cd->status = inb(port+mcd_status) & 0xFF;
1035 if (cd->status & MCD_ST_CMDCHECK)
1037 if (mcd_setflags(unit,cd) < 0)
1039 MCD_TRACE("got WAITSTAT delay=%d\n",
1040 RDELAY_WAITSTAT-mbx->count);
1041 /* reject, if audio active */
1042 if (cd->status & MCDAUDIOBSY) {
1043 printf("mcd%d: audio is active\n",unit);
1048 /* to check for raw/cooked mode */
1049 if (cd->flags & MCDREADRAW) {
1054 mbx->sz = cd->blksize;
1057 if (rm == cd->curr_mode)
1060 mbx->count = RDELAY_WAITMODE;
1062 cd->curr_mode = MCD_MD_UNKNOWN;
1064 mcd_put(com_port, MCD_CMDSETMODE);
1065 mcd_put(com_port, rm);
1067 tohandle = timeout(mcd_timeout,
1068 (caddr_t)MCD_S_WAITMODE,hz/100); /* XXX */
1071 printf("mcd%d: timeout getstatus\n",unit);
1075 case MCD_S_WAITMODE:
1076 untimeout(mcd_timeout,(caddr_t)MCD_S_WAITMODE, tohandle);
1077 if (mbx->count-- < 0) {
1078 printf("mcd%d: timeout set mode\n",unit);
1081 if (inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) {
1082 tohandle = timeout(mcd_timeout,
1083 (caddr_t)MCD_S_WAITMODE,hz/100);
1086 cd->status = inb(port+mcd_status) & 0xFF;
1087 if (cd->status & MCD_ST_CMDCHECK) {
1088 cd->curr_mode = MCD_MD_UNKNOWN;
1091 if (mcd_setflags(unit,cd) < 0)
1093 cd->curr_mode = mbx->mode;
1094 MCD_TRACE("got WAITMODE delay=%d\n",
1095 RDELAY_WAITMODE-mbx->count);
1097 /* for first block */
1098 mbx->nblk = (bp->b_bcount + (mbx->sz-1)) / mbx->sz;
1102 blknum = (bp->b_blkno / (mbx->sz/DEV_BSIZE))
1103 + mbx->p_offset + mbx->skip/mbx->sz;
1105 MCD_TRACE("mcd_doread: read blknum=%d for bp=%p\n",
1108 /* build parameter block */
1109 hsg2msf(blknum,rbuf.start_msf);
1111 /* send the read command */
1113 mcd_put(com_port,cd->read_command);
1114 mcd_put(com_port,rbuf.start_msf[0]);
1115 mcd_put(com_port,rbuf.start_msf[1]);
1116 mcd_put(com_port,rbuf.start_msf[2]);
1117 mcd_put(com_port,0);
1118 mcd_put(com_port,0);
1119 mcd_put(com_port,1);
1122 /* Spin briefly (<= 2ms) to avoid missing next block */
1123 for (i = 0; i < 20; i++) {
1124 k = inb(port+MCD_FLAGS);
1125 if (!(k & MFL_DATA_NOT_AVAIL))
1130 mbx->count = RDELAY_WAITREAD;
1131 tohandle = timeout(mcd_timeout,
1132 (caddr_t)MCD_S_WAITREAD,hz/100); /* XXX */
1134 case MCD_S_WAITREAD:
1135 untimeout(mcd_timeout,(caddr_t)MCD_S_WAITREAD, tohandle);
1136 if (mbx->count-- > 0) {
1137 k = inb(port+MCD_FLAGS);
1138 if (!(k & MFL_DATA_NOT_AVAIL)) { /* XXX */
1139 MCD_TRACE("got data delay=%d\n",
1140 RDELAY_WAITREAD-mbx->count);
1143 addr = bp->b_data + mbx->skip;
1145 outb(port+mcd_ctl2,0x04); /* XXX */
1146 for (i=0; i<mbx->sz; i++)
1147 *addr++ = inb(data_port);
1148 outb(port+mcd_ctl2,0x0c); /* XXX */
1150 k = inb(port+MCD_FLAGS);
1151 /* If we still have some junk, read it too */
1152 if (!(k & MFL_DATA_NOT_AVAIL)) {
1153 outb(port+mcd_ctl2,0x04); /* XXX */
1154 (void)inb(data_port);
1155 (void)inb(data_port);
1156 outb(port+mcd_ctl2,0x0c); /* XXX */
1159 if (--mbx->nblk > 0) {
1160 mbx->skip += mbx->sz;
1168 cd->flags &= ~(MCDMBXBSY|MCDREADRAW);
1169 mcd_start(mbx->unit);
1172 if (!(k & MFL_STATUS_NOT_AVAIL)) {
1173 cd->status = inb(port+mcd_status) & 0xFF;
1174 if (cd->status & MCD_ST_CMDCHECK)
1176 if (mcd_setflags(unit,cd) < 0)
1179 tohandle = timeout(mcd_timeout,
1180 (caddr_t)MCD_S_WAITREAD,hz/100); /* XXX */
1183 printf("mcd%d: timeout read data\n",unit);
1189 if (mbx->retry-- > 0) {
1190 printf("mcd%d: retrying\n",unit);
1191 state = MCD_S_BEGIN1;
1195 /* invalidate the buffer */
1196 bp->b_flags |= B_ERROR;
1197 bp->b_resid = bp->b_bcount;
1200 cd->flags &= ~(MCDMBXBSY|MCDREADRAW);
1201 mcd_start(mbx->unit);
1205 printf("mcd%d: media changed\n", unit);
1209 printf("mcd%d: unit timeout, resetting\n",mbx->unit);
1210 outb(mbx->port+mcd_reset,MCD_CMDRESET);
1212 (void)mcd_getstat(mbx->unit,1);
1213 (void)mcd_getstat(mbx->unit,1);
1214 /*cd->status &= ~MCDDSKCHNG; */
1215 cd->debug = 1; /* preventive set debug mode */
1222 mcd_lock_door(int unit, int lock)
1224 struct mcd_data *cd = mcd_data + unit;
1225 int port = cd->iobase;
1227 outb(port+mcd_command, MCD_CMDLOCKDRV);
1228 outb(port+mcd_command, lock);
1229 if (mcd_getstat(unit,0) == -1)
1235 mcd_close_tray(int unit)
1237 struct mcd_data *cd = mcd_data + unit;
1238 int port = cd->iobase;
1241 if (mcd_getstat(unit,1) == -1)
1243 if (cd->status & MCDDOOROPEN) {
1244 outb(port+mcd_command, MCD_CMDCLOSETRAY);
1245 for (retry = 0; retry < CLOSE_TRAY_SECS * WAIT_FRAC; retry++) {
1246 if (inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL)
1247 (void) tsleep((caddr_t)cd, PSOCK | PCATCH, "mcdcls", hz/WAIT_FRAC);
1249 if ((r = mcd_getstat(unit,0)) == -1)
1262 struct mcd_data *cd = mcd_data + unit;
1263 int port = cd->iobase, r;
1265 if (mcd_getstat(unit,1) == -1) /* detect disk change too */
1267 if (cd->status & MCDDOOROPEN)
1269 if ((r = mcd_stop(unit)) == EIO)
1271 outb(port+mcd_command, MCD_CMDEJECTDISK);
1272 if (mcd_getstat(unit,0) == -1)
1278 mcd_inject(int unit)
1280 struct mcd_data *cd = mcd_data + unit;
1282 if (mcd_getstat(unit,1) == -1) /* detect disk change too */
1284 if (cd->status & MCDDOOROPEN)
1285 return mcd_close_tray(unit);
1290 mcd_hard_reset(int unit)
1292 struct mcd_data *cd = mcd_data + unit;
1293 int port = cd->iobase;
1295 outb(port+mcd_reset,MCD_CMDRESET);
1296 cd->curr_mode = MCD_MD_UNKNOWN;
1297 cd->audio_status = CD_AS_AUDIO_INVALID;
1302 mcd_soft_reset(int unit)
1304 struct mcd_data *cd = mcd_data + unit;
1307 cd->flags &= (MCDINIT|MCDPROBING|MCDNEWMODEL);
1308 cd->curr_mode = MCD_MD_UNKNOWN;
1309 for (i=0; i<MAXPARTITIONS; i++) cd->partflags[i] = 0;
1310 cd->audio_status = CD_AS_AUDIO_INVALID;
1314 mcd_setmode(int unit, int mode)
1316 struct mcd_data *cd = mcd_data + unit;
1317 int port = cd->iobase;
1320 if (cd->curr_mode == mode)
1323 printf("mcd%d: setting mode to %d\n", unit, mode);
1324 for(retry=0; retry<MCD_RETRYS; retry++)
1326 cd->curr_mode = MCD_MD_UNKNOWN;
1327 outb(port+mcd_command, MCD_CMDSETMODE);
1328 outb(port+mcd_command, mode);
1329 if ((st = mcd_getstat(unit, 0)) >= 0) {
1330 cd->curr_mode = mode;
1334 printf("mcd%d: media changed\n", unit);
1343 mcd_toc_header(int unit, struct ioc_toc_header *th)
1345 struct mcd_data *cd = mcd_data + unit;
1348 if ((r = mcd_volinfo(unit)) != 0)
1351 th->starting_track = bcd2bin(cd->volinfo.trk_low);
1352 th->ending_track = bcd2bin(cd->volinfo.trk_high);
1353 th->len = 2 * sizeof(u_char) /* start & end tracks */ +
1354 (th->ending_track + 1 - th->starting_track + 1) *
1355 sizeof(struct cd_toc_entry);
1361 mcd_read_toc(int unit)
1363 struct mcd_data *cd = mcd_data + unit;
1364 struct ioc_toc_header th;
1365 struct mcd_qchninfo q;
1366 int rc, trk, idx, retry;
1368 /* Only read TOC if needed */
1369 if (cd->flags & MCDTOC)
1373 printf("mcd%d: reading toc header\n", unit);
1375 if ((rc = mcd_toc_header(unit, &th)) != 0)
1378 if (mcd_send(unit, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
1381 if (mcd_setmode(unit, MCD_MD_TOC) != 0)
1385 printf("mcd%d: get_toc reading qchannel info\n",unit);
1387 for(trk=th.starting_track; trk<=th.ending_track; trk++)
1388 cd->toc[trk].idx_no = 0;
1389 trk = th.ending_track - th.starting_track + 1;
1390 for(retry=0; retry<600 && trk>0; retry++)
1392 if (mcd_getqchan(unit, &q) < 0) break;
1393 idx = bcd2bin(q.idx_no);
1394 if (idx>=th.starting_track && idx<=th.ending_track && q.trk_no==0) {
1395 if (cd->toc[idx].idx_no == 0) {
1402 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1408 /* add a fake last+1 */
1409 idx = th.ending_track + 1;
1410 cd->toc[idx].control = cd->toc[idx-1].control;
1411 cd->toc[idx].addr_type = cd->toc[idx-1].addr_type;
1412 cd->toc[idx].trk_no = 0;
1413 cd->toc[idx].idx_no = MCD_LASTPLUS1;
1414 cd->toc[idx].hd_pos_msf[0] = cd->volinfo.vol_msf[0];
1415 cd->toc[idx].hd_pos_msf[1] = cd->volinfo.vol_msf[1];
1416 cd->toc[idx].hd_pos_msf[2] = cd->volinfo.vol_msf[2];
1420 for (i = th.starting_track; i <= idx; i++)
1421 printf("mcd%d: trk %d idx %d pos %d %d %d\n",
1423 cd->toc[i].idx_no > 0x99 ? cd->toc[i].idx_no :
1424 bcd2bin(cd->toc[i].idx_no),
1425 bcd2bin(cd->toc[i].hd_pos_msf[0]),
1426 bcd2bin(cd->toc[i].hd_pos_msf[1]),
1427 bcd2bin(cd->toc[i].hd_pos_msf[2]));
1430 cd->flags |= MCDTOC;
1437 mcd_toc_entry(int unit, struct ioc_read_toc_single_entry *te)
1439 struct mcd_data *cd = mcd_data + unit;
1440 struct ioc_toc_header th;
1443 if (te->address_format != CD_MSF_FORMAT
1444 && te->address_format != CD_LBA_FORMAT)
1447 /* Copy the toc header */
1448 if ((rc = mcd_toc_header(unit, &th)) != 0)
1451 /* verify starting track */
1454 trk = th.starting_track;
1455 else if (trk == MCD_LASTPLUS1)
1456 trk = th.ending_track + 1;
1457 else if (trk < th.starting_track || trk > th.ending_track + 1)
1460 /* Make sure we have a valid toc */
1461 if ((rc=mcd_read_toc(unit)) != 0)
1464 /* Copy the TOC data. */
1465 if (cd->toc[trk].idx_no == 0)
1468 te->entry.control = cd->toc[trk].control;
1469 te->entry.addr_type = cd->toc[trk].addr_type;
1471 cd->toc[trk].idx_no > 0x99 ? cd->toc[trk].idx_no :
1472 bcd2bin(cd->toc[trk].idx_no);
1473 switch (te->address_format) {
1475 te->entry.addr.msf.unused = 0;
1476 te->entry.addr.msf.minute = bcd2bin(cd->toc[trk].hd_pos_msf[0]);
1477 te->entry.addr.msf.second = bcd2bin(cd->toc[trk].hd_pos_msf[1]);
1478 te->entry.addr.msf.frame = bcd2bin(cd->toc[trk].hd_pos_msf[2]);
1481 te->entry.addr.lba = htonl(msf2hsg(cd->toc[trk].hd_pos_msf, 0));
1489 mcd_toc_entrys(int unit, struct ioc_read_toc_entry *te)
1491 struct mcd_data *cd = mcd_data + unit;
1492 struct cd_toc_entry entries[MCD_MAXTOCS];
1493 struct ioc_toc_header th;
1494 int rc, n, trk, len;
1496 if ( te->data_len < sizeof(entries[0])
1497 || (te->data_len % sizeof(entries[0])) != 0
1498 || (te->address_format != CD_MSF_FORMAT
1499 && te->address_format != CD_LBA_FORMAT)
1503 /* Copy the toc header */
1504 if ((rc = mcd_toc_header(unit, &th)) != 0)
1507 /* verify starting track */
1508 trk = te->starting_track;
1510 trk = th.starting_track;
1511 else if (trk == MCD_LASTPLUS1)
1512 trk = th.ending_track + 1;
1513 else if (trk < th.starting_track || trk > th.ending_track + 1)
1516 len = ((th.ending_track + 1 - trk) + 1) *
1518 if (te->data_len < len)
1520 if (len > sizeof(entries))
1523 /* Make sure we have a valid toc */
1524 if ((rc=mcd_read_toc(unit)) != 0)
1527 /* Copy the TOC data. */
1528 for (n = 0; len > 0 && trk <= th.ending_track + 1; trk++) {
1529 if (cd->toc[trk].idx_no == 0)
1531 entries[n].control = cd->toc[trk].control;
1532 entries[n].addr_type = cd->toc[trk].addr_type;
1534 cd->toc[trk].idx_no > 0x99 ? cd->toc[trk].idx_no :
1535 bcd2bin(cd->toc[trk].idx_no);
1536 switch (te->address_format) {
1538 entries[n].addr.msf.unused = 0;
1539 entries[n].addr.msf.minute = bcd2bin(cd->toc[trk].hd_pos_msf[0]);
1540 entries[n].addr.msf.second = bcd2bin(cd->toc[trk].hd_pos_msf[1]);
1541 entries[n].addr.msf.frame = bcd2bin(cd->toc[trk].hd_pos_msf[2]);
1544 entries[n].addr.lba = htonl(msf2hsg(cd->toc[trk].hd_pos_msf, 0));
1547 len -= sizeof(struct cd_toc_entry);
1551 /* copy the data back */
1552 return copyout(entries, te->data, n * sizeof(struct cd_toc_entry));
1558 struct mcd_data *cd = mcd_data + unit;
1560 /* Verify current status */
1561 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS &&
1562 cd->audio_status != CD_AS_PLAY_PAUSED &&
1563 cd->audio_status != CD_AS_PLAY_COMPLETED) {
1565 printf("mcd%d: stop attempted when not playing, audio status %d\n",
1566 unit, cd->audio_status);
1569 if (cd->audio_status == CD_AS_PLAY_IN_PROGRESS)
1570 if (mcd_send(unit, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
1572 cd->audio_status = CD_AS_PLAY_COMPLETED;
1577 mcd_getqchan(int unit, struct mcd_qchninfo *q)
1579 struct mcd_data *cd = mcd_data + unit;
1581 if (mcd_send(unit, MCD_CMDGETQCHN, MCD_RETRYS) < 0)
1583 if (mcd_get(unit, (char *) q, sizeof(struct mcd_qchninfo)) < 0)
1586 printf("mcd%d: getqchan control=0x%x addr_type=0x%x trk=%d ind=%d ttm=%d:%d.%d dtm=%d:%d.%d\n",
1588 q->control, q->addr_type, bcd2bin(q->trk_no),
1590 bcd2bin(q->trk_size_msf[0]), bcd2bin(q->trk_size_msf[1]),
1591 bcd2bin(q->trk_size_msf[2]),
1592 bcd2bin(q->hd_pos_msf[0]), bcd2bin(q->hd_pos_msf[1]),
1593 bcd2bin(q->hd_pos_msf[2]));
1599 mcd_subchan(int unit, struct ioc_read_subchannel *sc)
1601 struct mcd_data *cd = mcd_data + unit;
1602 struct mcd_qchninfo q;
1603 struct cd_sub_channel_info data;
1607 printf("mcd%d: subchan af=%d, df=%d\n", unit,
1611 if (sc->address_format != CD_MSF_FORMAT &&
1612 sc->address_format != CD_LBA_FORMAT)
1615 if (sc->data_format != CD_CURRENT_POSITION &&
1616 sc->data_format != CD_MEDIA_CATALOG)
1619 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1622 if (mcd_getqchan(unit, &q) < 0)
1625 data.header.audio_status = cd->audio_status;
1626 data.what.position.data_format = sc->data_format;
1628 switch (sc->data_format) {
1629 case CD_MEDIA_CATALOG:
1630 data.what.media_catalog.mc_valid = 1;
1631 data.what.media_catalog.mc_number[0] = '\0';
1634 case CD_CURRENT_POSITION:
1635 data.what.position.control = q.control;
1636 data.what.position.addr_type = q.addr_type;
1637 data.what.position.track_number = bcd2bin(q.trk_no);
1638 data.what.position.index_number = bcd2bin(q.idx_no);
1639 switch (sc->address_format) {
1641 data.what.position.reladdr.msf.unused = 0;
1642 data.what.position.reladdr.msf.minute = bcd2bin(q.trk_size_msf[0]);
1643 data.what.position.reladdr.msf.second = bcd2bin(q.trk_size_msf[1]);
1644 data.what.position.reladdr.msf.frame = bcd2bin(q.trk_size_msf[2]);
1645 data.what.position.absaddr.msf.unused = 0;
1646 data.what.position.absaddr.msf.minute = bcd2bin(q.hd_pos_msf[0]);
1647 data.what.position.absaddr.msf.second = bcd2bin(q.hd_pos_msf[1]);
1648 data.what.position.absaddr.msf.frame = bcd2bin(q.hd_pos_msf[2]);
1651 lba = msf2hsg(q.trk_size_msf, 1);
1653 * Pre-gap has index number of 0, and decreasing MSF
1654 * address. Must be converted to negative LBA, per
1657 if (data.what.position.index_number == 0)
1659 data.what.position.reladdr.lba = htonl(lba);
1660 data.what.position.absaddr.lba = htonl(msf2hsg(q.hd_pos_msf, 0));
1666 return copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len));
1670 mcd_playmsf(int unit, struct ioc_play_msf *p)
1672 struct mcd_data *cd = mcd_data + unit;
1673 struct mcd_read2 pb;
1676 printf("mcd%d: playmsf: from %d:%d.%d to %d:%d.%d\n",
1678 p->start_m, p->start_s, p->start_f,
1679 p->end_m, p->end_s, p->end_f);
1681 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >=
1682 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) ||
1683 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) >
1684 M_msf(cd->volinfo.vol_msf) * 60 * 75 +
1685 S_msf(cd->volinfo.vol_msf) * 75 +
1686 F_msf(cd->volinfo.vol_msf))
1689 pb.start_msf[0] = bin2bcd(p->start_m);
1690 pb.start_msf[1] = bin2bcd(p->start_s);
1691 pb.start_msf[2] = bin2bcd(p->start_f);
1692 pb.end_msf[0] = bin2bcd(p->end_m);
1693 pb.end_msf[1] = bin2bcd(p->end_s);
1694 pb.end_msf[2] = bin2bcd(p->end_f);
1696 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1699 return mcd_play(unit, &pb);
1703 mcd_playtracks(int unit, struct ioc_play_track *pt)
1705 struct mcd_data *cd = mcd_data + unit;
1706 struct mcd_read2 pb;
1707 int a = pt->start_track;
1708 int z = pt->end_track;
1711 if ((rc = mcd_read_toc(unit)) != 0)
1715 printf("mcd%d: playtracks from %d:%d to %d:%d\n", unit,
1716 a, pt->start_index, z, pt->end_index);
1718 if ( a < bcd2bin(cd->volinfo.trk_low)
1719 || a > bcd2bin(cd->volinfo.trk_high)
1721 || z < bcd2bin(cd->volinfo.trk_low)
1722 || z > bcd2bin(cd->volinfo.trk_high))
1725 for (i = 0; i < 3; i++) {
1726 pb.start_msf[i] = cd->toc[a].hd_pos_msf[i];
1727 pb.end_msf[i] = cd->toc[z+1].hd_pos_msf[i];
1730 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1733 return mcd_play(unit, &pb);
1737 mcd_playblocks(int unit, struct ioc_play_blocks *p)
1739 struct mcd_data *cd = mcd_data + unit;
1740 struct mcd_read2 pb;
1743 printf("mcd%d: playblocks: blkno %d length %d\n",
1744 unit, p->blk, p->len);
1746 if (p->blk > cd->disksize || p->len > cd->disksize ||
1747 p->blk < 0 || p->len < 0 ||
1748 (p->blk + p->len) > cd->disksize)
1751 hsg2msf(p->blk, pb.start_msf);
1752 hsg2msf(p->blk + p->len, pb.end_msf);
1754 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1757 return mcd_play(unit, &pb);
1761 mcd_play(int unit, struct mcd_read2 *pb)
1763 struct mcd_data *cd = mcd_data + unit;
1764 int com_port = cd->iobase + mcd_command;
1765 int retry, st = -1, status;
1768 for(retry=0; retry<MCD_RETRYS; retry++) {
1771 outb(com_port, MCD_CMDSINGLESPEEDREAD);
1772 outb(com_port, pb->start_msf[0]);
1773 outb(com_port, pb->start_msf[1]);
1774 outb(com_port, pb->start_msf[2]);
1775 outb(com_port, pb->end_msf[0]);
1776 outb(com_port, pb->end_msf[1]);
1777 outb(com_port, pb->end_msf[2]);
1780 status=mcd_getstat(unit, 0);
1783 else if (status != -2)
1789 printf("mcd%d: media changed\n", unit);
1793 printf("mcd%d: mcd_play retry=%d, status=0x%02x\n", unit, retry, status);
1796 cd->audio_status = CD_AS_PLAY_IN_PROGRESS;
1803 struct mcd_data *cd = mcd_data + unit;
1804 struct mcd_qchninfo q;
1807 /* Verify current status */
1808 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS &&
1809 cd->audio_status != CD_AS_PLAY_PAUSED) {
1811 printf("mcd%d: pause attempted when not playing, audio status %d\n",
1812 unit, cd->audio_status);
1816 /* Get the current position */
1817 if (mcd_getqchan(unit, &q) < 0)
1820 /* Copy it into lastpb */
1821 cd->lastpb.start_msf[0] = q.hd_pos_msf[0];
1822 cd->lastpb.start_msf[1] = q.hd_pos_msf[1];
1823 cd->lastpb.start_msf[2] = q.hd_pos_msf[2];
1826 if ((rc=mcd_stop(unit)) != 0)
1829 /* Set the proper status and exit */
1830 cd->audio_status = CD_AS_PLAY_PAUSED;
1835 mcd_resume(int unit)
1837 struct mcd_data *cd = mcd_data + unit;
1839 if (cd->audio_status != CD_AS_PLAY_PAUSED)
1841 return mcd_play(unit, &cd->lastpb);
1844 #endif /* NMCD > 0 */