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/disklabel.h>
56 #include <sys/kernel.h>
58 #include <machine/clock.h>
60 #include <i386/isa/isa_device.h>
61 #include <i386/isa/mcdreg.h>
63 #define MCD_TRACE(format, args...) \
65 if (mcd_data[unit].debug) { \
66 printf("mcd%d: status=0x%02x: ", \
67 unit, mcd_data[unit].status); \
68 printf(format, ## args); \
72 #define mcd_part(dev) ((minor(dev)) & 7)
73 #define mcd_unit(dev) (((minor(dev)) & 0x38) >> 3)
74 #define mcd_phys(dev) (((minor(dev)) & 0x40) >> 6)
78 #define MCDVALID 0x0001 /* parameters loaded */
79 #define MCDINIT 0x0002 /* device is init'd */
80 #define MCDNEWMODEL 0x0004 /* device is new model */
81 #define MCDLABEL 0x0008 /* label is read */
82 #define MCDPROBING 0x0010 /* probing */
83 #define MCDREADRAW 0x0020 /* read raw mode (2352 bytes) */
84 #define MCDVOLINFO 0x0040 /* already read volinfo */
85 #define MCDTOC 0x0080 /* already read toc */
86 #define MCDMBXBSY 0x0100 /* local mbx is busy */
89 #define MCDAUDIOBSY MCD_ST_AUDIOBSY /* playing audio */
90 #define MCDDSKCHNG MCD_ST_DSKCHNG /* sensed change of disk */
91 #define MCDDSKIN MCD_ST_DSKIN /* sensed disk in drive */
92 #define MCDDOOROPEN MCD_ST_DOOROPEN /* sensed door open */
94 /* These are apparently the different states a mitsumi can get up to */
95 #define MCDCDABSENT 0x0030
96 #define MCDCDPRESENT 0x0020
97 #define MCDSCLOSED 0x0080
98 #define MCDSOPEN 0x00a0
100 #define MCD_MD_UNKNOWN (-1)
103 #define MCD_MAXTOCS 104 /* from the Linux driver */
104 #define MCD_LASTPLUS1 170 /* special toc entry */
106 #define MCD_TYPE_UNKNOWN 0
107 #define MCD_TYPE_LU002S 1
108 #define MCD_TYPE_LU005S 2
109 #define MCD_TYPE_LU006S 3
110 #define MCD_TYPE_FX001 4
111 #define MCD_TYPE_FX001D 5
126 static struct mcd_data {
136 struct disklabel dlabel;
137 int partflags[MAXPARTITIONS];
139 struct mcd_volinfo volinfo;
140 struct mcd_qchninfo toc[MCD_MAXTOCS];
143 struct mcd_read2 lastpb;
145 struct buf_queue_head head; /* head of buf queue */
149 /* reader state machine */
150 #define MCD_S_BEGIN 0
151 #define MCD_S_BEGIN1 1
152 #define MCD_S_WAITSTAT 2
153 #define MCD_S_WAITMODE 3
154 #define MCD_S_WAITREAD 4
157 static void mcd_start(int unit);
158 static int mcd_getdisklabel(int unit);
160 static void mcd_configure(struct mcd_data *cd);
162 static int mcd_get(int unit, char *buf, int nmax);
163 static int mcd_setflags(int unit,struct mcd_data *cd);
164 static int mcd_getstat(int unit,int sflg);
165 static int mcd_send(int unit, int cmd,int nretrys);
166 static void hsg2msf(int hsg, bcd_t *msf);
167 static int msf2hsg(bcd_t *msf, int relative);
168 static int mcd_volinfo(int unit);
169 static ointhand2_t mcdintr;
170 static int mcd_waitrdy(int port,int dly);
171 static timeout_t mcd_timeout;
172 static void mcd_doread(int state, struct mcd_mbx *mbxin);
173 static void mcd_soft_reset(int unit);
174 static int mcd_hard_reset(int unit);
175 static int mcd_setmode(int unit, int mode);
176 static int mcd_getqchan(int unit, struct mcd_qchninfo *q);
177 static int mcd_subchan(int unit, struct ioc_read_subchannel *sc);
178 static int mcd_toc_header(int unit, struct ioc_toc_header *th);
179 static int mcd_read_toc(int unit);
180 static int mcd_toc_entrys(int unit, struct ioc_read_toc_entry *te);
182 static int mcd_toc_entry(int unit, struct ioc_read_toc_single_entry *te);
184 static int mcd_stop(int unit);
185 static int mcd_eject(int unit);
186 static int mcd_inject(int unit);
187 static int mcd_playtracks(int unit, struct ioc_play_track *pt);
188 static int mcd_play(int unit, struct mcd_read2 *pb);
189 static int mcd_playmsf(int unit, struct ioc_play_msf *pt);
190 static int mcd_playblocks(int unit, struct ioc_play_blocks *);
191 static int mcd_pause(int unit);
192 static int mcd_resume(int unit);
193 static int mcd_lock_door(int unit, int lock);
194 static int mcd_close_tray(int unit);
196 static int mcd_probe(struct isa_device *dev);
197 static int mcd_attach(struct isa_device *dev);
198 struct isa_driver mcddriver = { mcd_probe, mcd_attach, "mcd" };
200 static d_open_t mcdopen;
201 static d_close_t mcdclose;
202 static d_ioctl_t mcdioctl;
203 static d_psize_t mcdsize;
204 static d_strategy_t mcdstrategy;
206 #define CDEV_MAJOR 29
211 static struct cdevsw mcd_cdevsw = {
213 /* close */ mcdclose,
216 /* ioctl */ mcdioctl,
219 /* strategy */ mcdstrategy,
221 /* maj */ CDEV_MAJOR,
225 /* bmaj */ BDEV_MAJOR
228 #define mcd_put(port,byte) outb(port,byte)
231 #define MCD_RDRETRYS 8
233 #define CLOSE_TRAY_SECS 8
234 #define DISK_SENSE_SECS 3
238 #define RDELAY_WAITSTAT 300
239 #define RDELAY_WAITMODE 300
240 #define RDELAY_WAITREAD 800
243 #define DELAY_GETREPLY 5000000
245 int mcd_attach(struct isa_device *dev)
247 int unit = dev->id_unit;
248 struct mcd_data *cd = mcd_data + unit;
250 dev->id_ointr = mcdintr;
251 cd->iobase = dev->id_iobase;
252 cd->flags |= MCDINIT;
253 mcd_soft_reset(unit);
254 bufq_init(&cd->head);
257 /* wire controller for interrupts and dma */
260 /* name filled in probe */
261 make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, 0),
262 UID_ROOT, GID_OPERATOR, 0640, "rmcd%da", unit);
263 make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, RAW_PART),
264 UID_ROOT, GID_OPERATOR, 0640, "rmcd%dc", unit);
265 make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, 0),
266 UID_ROOT, GID_OPERATOR, 0640, "mcd%da", unit);
267 make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, RAW_PART),
268 UID_ROOT, GID_OPERATOR, 0640, "mcd%dc", unit);
272 int mcdopen(dev_t dev, int flags, int fmt, struct proc *p)
274 int unit,part,phys,r,retry;
277 unit = mcd_unit(dev);
281 cd = mcd_data + unit;
282 part = mcd_part(dev);
283 phys = mcd_phys(dev);
286 if (!(cd->flags & MCDINIT))
289 /* invalidated in the meantime? mark all open part's invalid */
290 if (!(cd->flags & MCDVALID) && cd->openflags)
293 if (mcd_getstat(unit,1) == -1)
296 if ( (cd->status & (MCDDSKCHNG|MCDDOOROPEN))
297 || !(cd->status & MCDDSKIN))
298 for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) {
299 (void) tsleep((caddr_t)cd, PSOCK | PCATCH, "mcdsn1", hz/WAIT_FRAC);
300 if ((r = mcd_getstat(unit,1)) == -1)
306 if (( (cd->status & (MCDDOOROPEN|MCDDSKCHNG))
307 || !(cd->status & MCDDSKIN)
309 && major(dev) == CDEV_MAJOR && part == RAW_PART
311 cd->openflags |= (1<<part);
313 cd->partflags[part] |= MCDREADRAW;
316 if (cd->status & MCDDOOROPEN) {
317 printf("mcd%d: door is open\n", unit);
320 if (!(cd->status & MCDDSKIN)) {
321 printf("mcd%d: no CD inside\n", unit);
324 if (cd->status & MCDDSKCHNG) {
325 printf("mcd%d: CD not sensed\n", unit);
329 if (mcdsize(dev) < 0) {
330 if (major(dev) == CDEV_MAJOR && part == RAW_PART) {
331 cd->openflags |= (1<<part);
333 cd->partflags[part] |= MCDREADRAW;
336 printf("mcd%d: failed to get disk size\n",unit);
339 cd->flags |= MCDVALID;
341 /* XXX get a default disklabel */
342 mcd_getdisklabel(unit);
344 MCD_TRACE("open: partition=%d, disksize = %ld, blksize=%d\n",
345 part, cd->disksize, cd->blksize);
347 dev->si_bsize_phys = cd->blksize;
349 if (part == RAW_PART ||
350 (part < cd->dlabel.d_npartitions &&
351 cd->dlabel.d_partitions[part].p_fstype != FS_UNUSED)) {
352 cd->openflags |= (1<<part);
353 if (part == RAW_PART && phys)
354 cd->partflags[part] |= MCDREADRAW;
355 (void) mcd_lock_door(unit, MCD_LK_LOCK);
356 if (!(cd->flags & MCDVALID))
364 int mcdclose(dev_t dev, int flags, int fmt, struct proc *p)
369 unit = mcd_unit(dev);
373 cd = mcd_data + unit;
374 part = mcd_part(dev);
376 if (!(cd->flags & MCDINIT) || !(cd->openflags & (1<<part)))
379 MCD_TRACE("close: partition=%d\n", part);
381 (void) mcd_lock_door(unit, MCD_LK_UNLOCK);
382 cd->openflags &= ~(1<<part);
383 cd->partflags[part] &= ~MCDREADRAW;
389 mcdstrategy(struct buf *bp)
394 int unit = mcd_unit(bp->b_dev);
396 cd = mcd_data + unit;
399 /*MCD_TRACE("strategy: buf=0x%lx, unit=%ld, block#=%ld bcount=%ld\n",
400 bp,unit,bp->b_blkno,bp->b_bcount);*/
401 if (unit >= NMCD || bp->b_blkno < 0) {
402 printf("mcdstrategy: unit = %d, blkno = %ld, bcount = %ld\n",
403 unit, (long)bp->b_blkno, bp->b_bcount);
404 printf("mcd: mcdstratregy failure");
405 bp->b_error = EINVAL;
406 bp->b_flags |= B_ERROR;
410 /* if device invalidated (e.g. media change, door open), error */
411 if (!(cd->flags & MCDVALID)) {
412 MCD_TRACE("strategy: drive not valid\n");
418 if (!(bp->b_flags & B_READ)) {
423 /* no data to read */
424 if (bp->b_bcount == 0)
427 /* for non raw access, check partition limits */
428 if (mcd_part(bp->b_dev) != RAW_PART) {
429 if (!(cd->flags & MCDLABEL)) {
433 /* adjust transfer if necessary */
434 if (bounds_check_with_label(bp,&cd->dlabel,1) <= 0) {
438 bp->b_pblkno = bp->b_blkno;
444 bufqdisksort(&cd->head, bp);
447 /* now check whether we can perform processing */
452 bp->b_flags |= B_ERROR;
454 bp->b_resid = bp->b_bcount;
459 static void mcd_start(int unit)
461 struct mcd_data *cd = mcd_data + unit;
466 if (cd->flags & MCDMBXBSY) {
471 bp = bufq_first(&cd->head);
473 /* block found to process, dequeue */
474 /*MCD_TRACE("mcd_start: found block bp=0x%x\n",bp,0,0,0);*/
475 bufq_remove(&cd->head, bp);
484 if (!(cd->flags & MCDVALID)) {
485 MCD_TRACE("mcd_start: drive not valid\n");
489 p = cd->dlabel.d_partitions + mcd_part(bp->b_dev);
491 cd->flags |= MCDMBXBSY;
492 if (cd->partflags[mcd_part(bp->b_dev)] & MCDREADRAW)
493 cd->flags |= MCDREADRAW;
495 cd->mbx.port = cd->iobase;
496 cd->mbx.retry = MCD_RETRYS;
498 cd->mbx.p_offset = p->p_offset;
500 /* calling the read routine */
501 mcd_doread(MCD_S_BEGIN,&(cd->mbx));
502 /* triggers mcd_start, when successful finished */
506 int mcdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct proc *p)
509 int unit,part,retry,r;
511 unit = mcd_unit(dev);
512 part = mcd_part(dev);
513 cd = mcd_data + unit;
515 if (mcd_getstat(unit, 1) == -1) /* detect disk change too */
517 MCD_TRACE("ioctl called 0x%lx\n", cmd);
530 return mcd_eject(unit);
538 return mcd_hard_reset(unit);
540 return mcd_lock_door(unit, MCD_LK_UNLOCK);
542 return mcd_lock_door(unit, MCD_LK_LOCK);
544 return mcd_inject(unit);
547 if (!(cd->flags & MCDVALID)) {
548 if ( major(dev) != CDEV_MAJOR
550 || !(cd->openflags & (1<<RAW_PART))
553 if ( (cd->status & (MCDDSKCHNG|MCDDOOROPEN))
554 || !(cd->status & MCDDSKIN))
555 for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) {
556 (void) tsleep((caddr_t)cd, PSOCK | PCATCH, "mcdsn2", hz/WAIT_FRAC);
557 if ((r = mcd_getstat(unit,1)) == -1)
562 if ( (cd->status & (MCDDOOROPEN|MCDDSKCHNG))
563 || !(cd->status & MCDDSKIN)
567 cd->flags |= MCDVALID;
568 mcd_getdisklabel(unit);
570 cd->partflags[part] |= MCDREADRAW;
571 (void) mcd_lock_door(unit, MCD_LK_LOCK);
572 if (!(cd->flags & MCDVALID))
578 *(struct disklabel *) addr = cd->dlabel;
581 ((struct partinfo *) addr)->disklab = &cd->dlabel;
582 ((struct partinfo *) addr)->part =
583 &cd->dlabel.d_partitions[mcd_part(dev)];
587 * a bit silly, but someone might want to test something on a
592 if ((flags & FWRITE) == 0)
595 return setdisklabel(&cd->dlabel,
596 (struct disklabel *) addr,
601 case CDIOCPLAYTRACKS:
602 return mcd_playtracks(unit, (struct ioc_play_track *) addr);
603 case CDIOCPLAYBLOCKS:
604 return mcd_playblocks(unit, (struct ioc_play_blocks *) addr);
606 return mcd_playmsf(unit, (struct ioc_play_msf *) addr);
607 case CDIOCREADSUBCHANNEL:
608 return mcd_subchan(unit, (struct ioc_read_subchannel *) addr);
609 case CDIOREADTOCHEADER:
610 return mcd_toc_header(unit, (struct ioc_toc_header *) addr);
611 case CDIOREADTOCENTRYS:
612 return mcd_toc_entrys(unit, (struct ioc_read_toc_entry *) addr);
614 return mcd_resume(unit);
616 return mcd_pause(unit);
618 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
622 return mcd_stop(unit);
629 /* this could have been taken from scsi/cd.c, but it is not clear
630 * whether the scsi cd driver is linked in
632 static int mcd_getdisklabel(int unit)
634 struct mcd_data *cd = mcd_data + unit;
636 if (cd->flags & MCDLABEL)
639 bzero(&cd->dlabel,sizeof(struct disklabel));
640 /* filled with spaces first */
641 strncpy(cd->dlabel.d_typename," ",
642 sizeof(cd->dlabel.d_typename));
643 strncpy(cd->dlabel.d_typename, cd->name,
644 min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1));
645 strncpy(cd->dlabel.d_packname,"unknown ",
646 sizeof(cd->dlabel.d_packname));
647 cd->dlabel.d_secsize = cd->blksize;
648 cd->dlabel.d_nsectors = 100;
649 cd->dlabel.d_ntracks = 1;
650 cd->dlabel.d_ncylinders = (cd->disksize/100)+1;
651 cd->dlabel.d_secpercyl = 100;
652 cd->dlabel.d_secperunit = cd->disksize;
653 cd->dlabel.d_rpm = 300;
654 cd->dlabel.d_interleave = 1;
655 cd->dlabel.d_flags = D_REMOVABLE;
656 cd->dlabel.d_npartitions= 1;
657 cd->dlabel.d_partitions[0].p_offset = 0;
658 cd->dlabel.d_partitions[0].p_size = cd->disksize;
659 cd->dlabel.d_partitions[0].p_fstype = 9;
660 cd->dlabel.d_magic = DISKMAGIC;
661 cd->dlabel.d_magic2 = DISKMAGIC;
662 cd->dlabel.d_checksum = dkcksum(&cd->dlabel);
664 cd->flags |= MCDLABEL;
668 int mcdsize(dev_t dev)
671 int unit = mcd_unit(dev);
672 struct mcd_data *cd = mcd_data + unit;
674 if (mcd_volinfo(unit) == 0) {
675 cd->blksize = MCDBLK;
676 size = msf2hsg(cd->volinfo.vol_msf, 0);
677 cd->disksize = size * (MCDBLK/DEV_BSIZE);
683 /***************************************************************
684 * lower level of driver starts here
685 **************************************************************/
690 0x00,0x00,0x10,0x20,0x00,0x30,0x00,0x00,
691 0x00,0x10,0x40,0x50,0x00,0x00,0x00,0x00
696 0x00,0x01,0x00,0x03,0x00,0x05,0x06,0x07,
702 mcd_configure(struct mcd_data *cd)
704 outb(cd->iobase+mcd_config,cd->config);
708 /* Wait for non-busy - return 0 on timeout */
710 twiddle_thumbs(int port, int unit, int count, char *whine)
714 for (i = 0; i < count; i++) {
715 if (!(inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL))
719 printf("mcd%d: timeout %s\n", unit, whine);
723 /* check to see if a Mitsumi CD-ROM is attached to the ISA bus */
726 mcd_probe(struct isa_device *dev)
728 int port = dev->id_iobase;
729 int unit = dev->id_unit;
731 unsigned char stbytes[3];
735 cdevsw_add(&mcd_cdevsw);
737 mcd_data[unit].flags = MCDPROBING;
740 /* get irq/drq configuration word */
741 mcd_data[unit].config = irqs[dev->id_irq]; /* | drqs[dev->id_drq];*/
743 mcd_data[unit].config = 0;
747 outb(port+MCD_FLAGS, M_RESET);
750 * delay awhile by getting any pending garbage (old data) and
753 for (i = 1000000; i != 0; i--)
757 outb(port+MCD_DATA, MCD_CMDGETSTAT);
758 if (!twiddle_thumbs(port, unit, 1000000, "getting status"))
759 return 0; /* Timeout */
760 /* Get version information */
761 outb(port+MCD_DATA, MCD_CMDCONTINFO);
762 for (j = 0; j < 3; j++) {
763 if (!twiddle_thumbs(port, unit, 3000, "getting version info"))
765 stbytes[j] = (inb(port+MCD_DATA) & 0xFF);
767 if (stbytes[1] == stbytes[2])
769 if (stbytes[2] >= 4 || stbytes[1] != 'M') {
770 outb(port+MCD_CTRL, M_PICKLE);
771 mcd_data[unit].flags |= MCDNEWMODEL;
773 mcd_data[unit].read_command = MCD_CMDSINGLESPEEDREAD;
774 switch (stbytes[1]) {
776 if (stbytes[2] <= 2) {
777 mcd_data[unit].type = MCD_TYPE_LU002S;
778 mcd_data[unit].name = "Mitsumi LU002S";
779 } else if (stbytes[2] <= 5) {
780 mcd_data[unit].type = MCD_TYPE_LU005S;
781 mcd_data[unit].name = "Mitsumi LU005S";
783 mcd_data[unit].type = MCD_TYPE_LU006S;
784 mcd_data[unit].name = "Mitsumi LU006S";
788 mcd_data[unit].type = MCD_TYPE_FX001;
789 mcd_data[unit].name = "Mitsumi FX001";
792 mcd_data[unit].type = MCD_TYPE_FX001D;
793 mcd_data[unit].name = "Mitsumi FX001D";
794 mcd_data[unit].read_command = MCD_CMDDOUBLESPEEDREAD;
797 mcd_data[unit].type = MCD_TYPE_UNKNOWN;
798 mcd_data[unit].name = "Mitsumi ???";
801 printf("mcd%d: type %s, version info: %c %x\n", unit, mcd_data[unit].name,
802 stbytes[1], stbytes[2]);
809 mcd_waitrdy(int port,int dly)
813 /* wait until flag port senses status ready */
814 for (i=0; i<dly; i+=MIN_DELAY) {
815 if (!(inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL))
823 mcd_getreply(int unit,int dly)
825 struct mcd_data *cd = mcd_data + unit;
826 int port = cd->iobase;
828 /* wait data to become ready */
829 if (mcd_waitrdy(port,dly)<0) {
830 printf("mcd%d: timeout getreply\n",unit);
835 return inb(port+mcd_status) & 0xFF;
839 mcd_getstat(int unit,int sflg)
842 struct mcd_data *cd = mcd_data + unit;
843 int port = cd->iobase;
847 outb(port+mcd_command, MCD_CMDGETSTAT);
848 i = mcd_getreply(unit,DELAY_GETREPLY);
849 if (i<0 || (i & MCD_ST_CMDCHECK)) {
850 cd->curr_mode = MCD_MD_UNKNOWN;
856 if (mcd_setflags(unit,cd) < 0)
862 mcd_setflags(int unit, struct mcd_data *cd)
865 if ( (cd->status & (MCDDSKCHNG|MCDDOOROPEN))
866 || !(cd->status & MCDDSKIN)) {
867 MCD_TRACE("setflags: sensed DSKCHNG or DOOROPEN or !DSKIN\n");
868 mcd_soft_reset(unit);
872 if (cd->status & MCDAUDIOBSY)
873 cd->audio_status = CD_AS_PLAY_IN_PROGRESS;
874 else if (cd->audio_status == CD_AS_PLAY_IN_PROGRESS)
875 cd->audio_status = CD_AS_PLAY_COMPLETED;
880 mcd_get(int unit, char *buf, int nmax)
884 for (i=0; i<nmax; i++) {
886 if ((k = mcd_getreply(unit,DELAY_GETREPLY)) < 0) {
887 printf("mcd%d: timeout mcd_get\n",unit);
896 mcd_send(int unit, int cmd,int nretrys)
899 int port = mcd_data[unit].iobase;
901 /*MCD_TRACE("mcd_send: command = 0x%02x\n",cmd,0,0,0);*/
902 for (i=0; i<nretrys; i++) {
903 outb(port+mcd_command, cmd);
904 if ((k=mcd_getstat(unit,0)) != -1)
908 printf("mcd%d: media changed\n",unit);
912 printf("mcd%d: mcd_send retry cnt exceeded\n",unit);
915 /*MCD_TRACE("mcd_send: done\n",0,0,0,0);*/
920 hsg2msf(int hsg, bcd_t *msf)
923 F_msf(msf) = bin2bcd(hsg % 75);
925 S_msf(msf) = bin2bcd(hsg % 60);
927 M_msf(msf) = bin2bcd(hsg);
931 msf2hsg(bcd_t *msf, int relative)
933 return (bcd2bin(M_msf(msf)) * 60 + bcd2bin(S_msf(msf))) * 75 +
934 bcd2bin(F_msf(msf)) - (!relative) * 150;
938 mcd_volinfo(int unit)
940 struct mcd_data *cd = mcd_data + unit;
942 /* Just return if we already have it */
943 if (cd->flags & MCDVOLINFO) return 0;
945 /*MCD_TRACE("mcd_volinfo: enter\n",0,0,0,0);*/
947 /* send volume info command */
948 if (mcd_send(unit,MCD_CMDGETVOLINFO,MCD_RETRYS) < 0)
952 if (mcd_get(unit,(char*) &cd->volinfo,sizeof(struct mcd_volinfo)) < 0) {
953 printf("mcd%d: mcd_volinfo: error read data\n",unit);
957 if (cd->volinfo.trk_low > 0 &&
958 cd->volinfo.trk_high >= cd->volinfo.trk_low
960 cd->flags |= MCDVOLINFO; /* volinfo is OK */
971 MCD_TRACE("stray interrupt\n");
974 /* state machine to process read requests
975 * initialize with MCD_S_BEGIN: calculate sizes, and read status
976 * MCD_S_WAITSTAT: wait for status reply, set mode
977 * MCD_S_WAITMODE: waits for status reply from set mode, set read command
978 * MCD_S_WAITREAD: wait for read ready, read data
980 static struct mcd_mbx *mbxsave;
981 static struct callout_handle tohandle = CALLOUT_HANDLE_INITIALIZER(&tohandle);
984 mcd_timeout(void *arg)
986 mcd_doread((int)arg, mbxsave);
990 mcd_doread(int state, struct mcd_mbx *mbxin)
992 struct mcd_mbx *mbx = (state!=MCD_S_BEGIN) ? mbxsave : mbxin;
993 int unit = mbx->unit;
994 int port = mbx->port;
995 int com_port = mbx->port + mcd_command;
996 int data_port = mbx->port + mcd_rdata;
997 struct buf *bp = mbx->bp;
998 struct mcd_data *cd = mcd_data + unit;
1001 struct mcd_read2 rbuf;
1008 mbx = mbxsave = mbxin;
1013 outb(com_port, MCD_CMDGETSTAT);
1014 mbx->count = RDELAY_WAITSTAT;
1015 tohandle = timeout(mcd_timeout,
1016 (caddr_t)MCD_S_WAITSTAT,hz/100); /* XXX */
1018 case MCD_S_WAITSTAT:
1019 untimeout(mcd_timeout,(caddr_t)MCD_S_WAITSTAT, tohandle);
1020 if (mbx->count-- >= 0) {
1021 if (inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) {
1022 timeout(mcd_timeout,
1023 (caddr_t)MCD_S_WAITSTAT,hz/100); /* XXX */
1026 cd->status = inb(port+mcd_status) & 0xFF;
1027 if (cd->status & MCD_ST_CMDCHECK)
1029 if (mcd_setflags(unit,cd) < 0)
1031 MCD_TRACE("got WAITSTAT delay=%d\n",
1032 RDELAY_WAITSTAT-mbx->count);
1033 /* reject, if audio active */
1034 if (cd->status & MCDAUDIOBSY) {
1035 printf("mcd%d: audio is active\n",unit);
1040 /* to check for raw/cooked mode */
1041 if (cd->flags & MCDREADRAW) {
1046 mbx->sz = cd->blksize;
1049 if (rm == cd->curr_mode)
1052 mbx->count = RDELAY_WAITMODE;
1054 cd->curr_mode = MCD_MD_UNKNOWN;
1056 mcd_put(com_port, MCD_CMDSETMODE);
1057 mcd_put(com_port, rm);
1059 tohandle = timeout(mcd_timeout,
1060 (caddr_t)MCD_S_WAITMODE,hz/100); /* XXX */
1063 printf("mcd%d: timeout getstatus\n",unit);
1067 case MCD_S_WAITMODE:
1068 untimeout(mcd_timeout,(caddr_t)MCD_S_WAITMODE, tohandle);
1069 if (mbx->count-- < 0) {
1070 printf("mcd%d: timeout set mode\n",unit);
1073 if (inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) {
1074 tohandle = timeout(mcd_timeout,
1075 (caddr_t)MCD_S_WAITMODE,hz/100);
1078 cd->status = inb(port+mcd_status) & 0xFF;
1079 if (cd->status & MCD_ST_CMDCHECK) {
1080 cd->curr_mode = MCD_MD_UNKNOWN;
1083 if (mcd_setflags(unit,cd) < 0)
1085 cd->curr_mode = mbx->mode;
1086 MCD_TRACE("got WAITMODE delay=%d\n",
1087 RDELAY_WAITMODE-mbx->count);
1089 /* for first block */
1090 mbx->nblk = (bp->b_bcount + (mbx->sz-1)) / mbx->sz;
1094 blknum = (bp->b_blkno / (mbx->sz/DEV_BSIZE))
1095 + mbx->p_offset + mbx->skip/mbx->sz;
1097 MCD_TRACE("mcd_doread: read blknum=%d for bp=%p\n",
1100 /* build parameter block */
1101 hsg2msf(blknum,rbuf.start_msf);
1103 /* send the read command */
1105 mcd_put(com_port,cd->read_command);
1106 mcd_put(com_port,rbuf.start_msf[0]);
1107 mcd_put(com_port,rbuf.start_msf[1]);
1108 mcd_put(com_port,rbuf.start_msf[2]);
1109 mcd_put(com_port,0);
1110 mcd_put(com_port,0);
1111 mcd_put(com_port,1);
1114 /* Spin briefly (<= 2ms) to avoid missing next block */
1115 for (i = 0; i < 20; i++) {
1116 k = inb(port+MCD_FLAGS);
1117 if (!(k & MFL_DATA_NOT_AVAIL))
1122 mbx->count = RDELAY_WAITREAD;
1123 tohandle = timeout(mcd_timeout,
1124 (caddr_t)MCD_S_WAITREAD,hz/100); /* XXX */
1126 case MCD_S_WAITREAD:
1127 untimeout(mcd_timeout,(caddr_t)MCD_S_WAITREAD, tohandle);
1128 if (mbx->count-- > 0) {
1129 k = inb(port+MCD_FLAGS);
1130 if (!(k & MFL_DATA_NOT_AVAIL)) { /* XXX */
1131 MCD_TRACE("got data delay=%d\n",
1132 RDELAY_WAITREAD-mbx->count);
1135 addr = bp->b_data + mbx->skip;
1137 outb(port+mcd_ctl2,0x04); /* XXX */
1138 for (i=0; i<mbx->sz; i++)
1139 *addr++ = inb(data_port);
1140 outb(port+mcd_ctl2,0x0c); /* XXX */
1142 k = inb(port+MCD_FLAGS);
1143 /* If we still have some junk, read it too */
1144 if (!(k & MFL_DATA_NOT_AVAIL)) {
1145 outb(port+mcd_ctl2,0x04); /* XXX */
1146 (void)inb(data_port);
1147 (void)inb(data_port);
1148 outb(port+mcd_ctl2,0x0c); /* XXX */
1151 if (--mbx->nblk > 0) {
1152 mbx->skip += mbx->sz;
1160 cd->flags &= ~(MCDMBXBSY|MCDREADRAW);
1161 mcd_start(mbx->unit);
1164 if (!(k & MFL_STATUS_NOT_AVAIL)) {
1165 cd->status = inb(port+mcd_status) & 0xFF;
1166 if (cd->status & MCD_ST_CMDCHECK)
1168 if (mcd_setflags(unit,cd) < 0)
1171 tohandle = timeout(mcd_timeout,
1172 (caddr_t)MCD_S_WAITREAD,hz/100); /* XXX */
1175 printf("mcd%d: timeout read data\n",unit);
1181 if (mbx->retry-- > 0) {
1182 printf("mcd%d: retrying\n",unit);
1183 state = MCD_S_BEGIN1;
1187 /* invalidate the buffer */
1188 bp->b_flags |= B_ERROR;
1189 bp->b_resid = bp->b_bcount;
1192 cd->flags &= ~(MCDMBXBSY|MCDREADRAW);
1193 mcd_start(mbx->unit);
1197 printf("mcd%d: media changed\n", unit);
1201 printf("mcd%d: unit timeout, resetting\n",mbx->unit);
1202 outb(mbx->port+mcd_reset,MCD_CMDRESET);
1204 (void)mcd_getstat(mbx->unit,1);
1205 (void)mcd_getstat(mbx->unit,1);
1206 /*cd->status &= ~MCDDSKCHNG; */
1207 cd->debug = 1; /* preventive set debug mode */
1214 mcd_lock_door(int unit, int lock)
1216 struct mcd_data *cd = mcd_data + unit;
1217 int port = cd->iobase;
1219 outb(port+mcd_command, MCD_CMDLOCKDRV);
1220 outb(port+mcd_command, lock);
1221 if (mcd_getstat(unit,0) == -1)
1227 mcd_close_tray(int unit)
1229 struct mcd_data *cd = mcd_data + unit;
1230 int port = cd->iobase;
1233 if (mcd_getstat(unit,1) == -1)
1235 if (cd->status & MCDDOOROPEN) {
1236 outb(port+mcd_command, MCD_CMDCLOSETRAY);
1237 for (retry = 0; retry < CLOSE_TRAY_SECS * WAIT_FRAC; retry++) {
1238 if (inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL)
1239 (void) tsleep((caddr_t)cd, PSOCK | PCATCH, "mcdcls", hz/WAIT_FRAC);
1241 if ((r = mcd_getstat(unit,0)) == -1)
1254 struct mcd_data *cd = mcd_data + unit;
1255 int port = cd->iobase, r;
1257 if (mcd_getstat(unit,1) == -1) /* detect disk change too */
1259 if (cd->status & MCDDOOROPEN)
1261 if ((r = mcd_stop(unit)) == EIO)
1263 outb(port+mcd_command, MCD_CMDEJECTDISK);
1264 if (mcd_getstat(unit,0) == -1)
1270 mcd_inject(int unit)
1272 struct mcd_data *cd = mcd_data + unit;
1274 if (mcd_getstat(unit,1) == -1) /* detect disk change too */
1276 if (cd->status & MCDDOOROPEN)
1277 return mcd_close_tray(unit);
1282 mcd_hard_reset(int unit)
1284 struct mcd_data *cd = mcd_data + unit;
1285 int port = cd->iobase;
1287 outb(port+mcd_reset,MCD_CMDRESET);
1288 cd->curr_mode = MCD_MD_UNKNOWN;
1289 cd->audio_status = CD_AS_AUDIO_INVALID;
1294 mcd_soft_reset(int unit)
1296 struct mcd_data *cd = mcd_data + unit;
1299 cd->flags &= (MCDINIT|MCDPROBING|MCDNEWMODEL);
1300 cd->curr_mode = MCD_MD_UNKNOWN;
1301 for (i=0; i<MAXPARTITIONS; i++) cd->partflags[i] = 0;
1302 cd->audio_status = CD_AS_AUDIO_INVALID;
1306 mcd_setmode(int unit, int mode)
1308 struct mcd_data *cd = mcd_data + unit;
1309 int port = cd->iobase;
1312 if (cd->curr_mode == mode)
1315 printf("mcd%d: setting mode to %d\n", unit, mode);
1316 for(retry=0; retry<MCD_RETRYS; retry++)
1318 cd->curr_mode = MCD_MD_UNKNOWN;
1319 outb(port+mcd_command, MCD_CMDSETMODE);
1320 outb(port+mcd_command, mode);
1321 if ((st = mcd_getstat(unit, 0)) >= 0) {
1322 cd->curr_mode = mode;
1326 printf("mcd%d: media changed\n", unit);
1335 mcd_toc_header(int unit, struct ioc_toc_header *th)
1337 struct mcd_data *cd = mcd_data + unit;
1340 if ((r = mcd_volinfo(unit)) != 0)
1343 th->starting_track = bcd2bin(cd->volinfo.trk_low);
1344 th->ending_track = bcd2bin(cd->volinfo.trk_high);
1345 th->len = 2 * sizeof(u_char) /* start & end tracks */ +
1346 (th->ending_track + 1 - th->starting_track + 1) *
1347 sizeof(struct cd_toc_entry);
1353 mcd_read_toc(int unit)
1355 struct mcd_data *cd = mcd_data + unit;
1356 struct ioc_toc_header th;
1357 struct mcd_qchninfo q;
1358 int rc, trk, idx, retry;
1360 /* Only read TOC if needed */
1361 if (cd->flags & MCDTOC)
1365 printf("mcd%d: reading toc header\n", unit);
1367 if ((rc = mcd_toc_header(unit, &th)) != 0)
1370 if (mcd_send(unit, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
1373 if (mcd_setmode(unit, MCD_MD_TOC) != 0)
1377 printf("mcd%d: get_toc reading qchannel info\n",unit);
1379 for(trk=th.starting_track; trk<=th.ending_track; trk++)
1380 cd->toc[trk].idx_no = 0;
1381 trk = th.ending_track - th.starting_track + 1;
1382 for(retry=0; retry<600 && trk>0; retry++)
1384 if (mcd_getqchan(unit, &q) < 0) break;
1385 idx = bcd2bin(q.idx_no);
1386 if (idx>=th.starting_track && idx<=th.ending_track && q.trk_no==0) {
1387 if (cd->toc[idx].idx_no == 0) {
1394 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1400 /* add a fake last+1 */
1401 idx = th.ending_track + 1;
1402 cd->toc[idx].control = cd->toc[idx-1].control;
1403 cd->toc[idx].addr_type = cd->toc[idx-1].addr_type;
1404 cd->toc[idx].trk_no = 0;
1405 cd->toc[idx].idx_no = MCD_LASTPLUS1;
1406 cd->toc[idx].hd_pos_msf[0] = cd->volinfo.vol_msf[0];
1407 cd->toc[idx].hd_pos_msf[1] = cd->volinfo.vol_msf[1];
1408 cd->toc[idx].hd_pos_msf[2] = cd->volinfo.vol_msf[2];
1412 for (i = th.starting_track; i <= idx; i++)
1413 printf("mcd%d: trk %d idx %d pos %d %d %d\n",
1415 cd->toc[i].idx_no > 0x99 ? cd->toc[i].idx_no :
1416 bcd2bin(cd->toc[i].idx_no),
1417 bcd2bin(cd->toc[i].hd_pos_msf[0]),
1418 bcd2bin(cd->toc[i].hd_pos_msf[1]),
1419 bcd2bin(cd->toc[i].hd_pos_msf[2]));
1422 cd->flags |= MCDTOC;
1429 mcd_toc_entry(int unit, struct ioc_read_toc_single_entry *te)
1431 struct mcd_data *cd = mcd_data + unit;
1432 struct ioc_toc_header th;
1435 if (te->address_format != CD_MSF_FORMAT
1436 && te->address_format != CD_LBA_FORMAT)
1439 /* Copy the toc header */
1440 if ((rc = mcd_toc_header(unit, &th)) != 0)
1443 /* verify starting track */
1446 trk = th.starting_track;
1447 else if (trk == MCD_LASTPLUS1)
1448 trk = th.ending_track + 1;
1449 else if (trk < th.starting_track || trk > th.ending_track + 1)
1452 /* Make sure we have a valid toc */
1453 if ((rc=mcd_read_toc(unit)) != 0)
1456 /* Copy the TOC data. */
1457 if (cd->toc[trk].idx_no == 0)
1460 te->entry.control = cd->toc[trk].control;
1461 te->entry.addr_type = cd->toc[trk].addr_type;
1463 cd->toc[trk].idx_no > 0x99 ? cd->toc[trk].idx_no :
1464 bcd2bin(cd->toc[trk].idx_no);
1465 switch (te->address_format) {
1467 te->entry.addr.msf.unused = 0;
1468 te->entry.addr.msf.minute = bcd2bin(cd->toc[trk].hd_pos_msf[0]);
1469 te->entry.addr.msf.second = bcd2bin(cd->toc[trk].hd_pos_msf[1]);
1470 te->entry.addr.msf.frame = bcd2bin(cd->toc[trk].hd_pos_msf[2]);
1473 te->entry.addr.lba = htonl(msf2hsg(cd->toc[trk].hd_pos_msf, 0));
1481 mcd_toc_entrys(int unit, struct ioc_read_toc_entry *te)
1483 struct mcd_data *cd = mcd_data + unit;
1484 struct cd_toc_entry entries[MCD_MAXTOCS];
1485 struct ioc_toc_header th;
1486 int rc, n, trk, len;
1488 if ( te->data_len < sizeof(entries[0])
1489 || (te->data_len % sizeof(entries[0])) != 0
1490 || (te->address_format != CD_MSF_FORMAT
1491 && te->address_format != CD_LBA_FORMAT)
1495 /* Copy the toc header */
1496 if ((rc = mcd_toc_header(unit, &th)) != 0)
1499 /* verify starting track */
1500 trk = te->starting_track;
1502 trk = th.starting_track;
1503 else if (trk == MCD_LASTPLUS1)
1504 trk = th.ending_track + 1;
1505 else if (trk < th.starting_track || trk > th.ending_track + 1)
1508 len = ((th.ending_track + 1 - trk) + 1) *
1510 if (te->data_len < len)
1512 if (len > sizeof(entries))
1515 /* Make sure we have a valid toc */
1516 if ((rc=mcd_read_toc(unit)) != 0)
1519 /* Copy the TOC data. */
1520 for (n = 0; len > 0 && trk <= th.ending_track + 1; trk++) {
1521 if (cd->toc[trk].idx_no == 0)
1523 entries[n].control = cd->toc[trk].control;
1524 entries[n].addr_type = cd->toc[trk].addr_type;
1526 cd->toc[trk].idx_no > 0x99 ? cd->toc[trk].idx_no :
1527 bcd2bin(cd->toc[trk].idx_no);
1528 switch (te->address_format) {
1530 entries[n].addr.msf.unused = 0;
1531 entries[n].addr.msf.minute = bcd2bin(cd->toc[trk].hd_pos_msf[0]);
1532 entries[n].addr.msf.second = bcd2bin(cd->toc[trk].hd_pos_msf[1]);
1533 entries[n].addr.msf.frame = bcd2bin(cd->toc[trk].hd_pos_msf[2]);
1536 entries[n].addr.lba = htonl(msf2hsg(cd->toc[trk].hd_pos_msf, 0));
1539 len -= sizeof(struct cd_toc_entry);
1543 /* copy the data back */
1544 return copyout(entries, te->data, n * sizeof(struct cd_toc_entry));
1550 struct mcd_data *cd = mcd_data + unit;
1552 /* Verify current status */
1553 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS &&
1554 cd->audio_status != CD_AS_PLAY_PAUSED &&
1555 cd->audio_status != CD_AS_PLAY_COMPLETED) {
1557 printf("mcd%d: stop attempted when not playing, audio status %d\n",
1558 unit, cd->audio_status);
1561 if (cd->audio_status == CD_AS_PLAY_IN_PROGRESS)
1562 if (mcd_send(unit, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
1564 cd->audio_status = CD_AS_PLAY_COMPLETED;
1569 mcd_getqchan(int unit, struct mcd_qchninfo *q)
1571 struct mcd_data *cd = mcd_data + unit;
1573 if (mcd_send(unit, MCD_CMDGETQCHN, MCD_RETRYS) < 0)
1575 if (mcd_get(unit, (char *) q, sizeof(struct mcd_qchninfo)) < 0)
1578 printf("mcd%d: getqchan control=0x%x addr_type=0x%x trk=%d ind=%d ttm=%d:%d.%d dtm=%d:%d.%d\n",
1580 q->control, q->addr_type, bcd2bin(q->trk_no),
1582 bcd2bin(q->trk_size_msf[0]), bcd2bin(q->trk_size_msf[1]),
1583 bcd2bin(q->trk_size_msf[2]),
1584 bcd2bin(q->hd_pos_msf[0]), bcd2bin(q->hd_pos_msf[1]),
1585 bcd2bin(q->hd_pos_msf[2]));
1591 mcd_subchan(int unit, struct ioc_read_subchannel *sc)
1593 struct mcd_data *cd = mcd_data + unit;
1594 struct mcd_qchninfo q;
1595 struct cd_sub_channel_info data;
1599 printf("mcd%d: subchan af=%d, df=%d\n", unit,
1603 if (sc->address_format != CD_MSF_FORMAT &&
1604 sc->address_format != CD_LBA_FORMAT)
1607 if (sc->data_format != CD_CURRENT_POSITION &&
1608 sc->data_format != CD_MEDIA_CATALOG)
1611 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1614 if (mcd_getqchan(unit, &q) < 0)
1617 data.header.audio_status = cd->audio_status;
1618 data.what.position.data_format = sc->data_format;
1620 switch (sc->data_format) {
1621 case CD_MEDIA_CATALOG:
1622 data.what.media_catalog.mc_valid = 1;
1623 data.what.media_catalog.mc_number[0] = '\0';
1626 case CD_CURRENT_POSITION:
1627 data.what.position.control = q.control;
1628 data.what.position.addr_type = q.addr_type;
1629 data.what.position.track_number = bcd2bin(q.trk_no);
1630 data.what.position.index_number = bcd2bin(q.idx_no);
1631 switch (sc->address_format) {
1633 data.what.position.reladdr.msf.unused = 0;
1634 data.what.position.reladdr.msf.minute = bcd2bin(q.trk_size_msf[0]);
1635 data.what.position.reladdr.msf.second = bcd2bin(q.trk_size_msf[1]);
1636 data.what.position.reladdr.msf.frame = bcd2bin(q.trk_size_msf[2]);
1637 data.what.position.absaddr.msf.unused = 0;
1638 data.what.position.absaddr.msf.minute = bcd2bin(q.hd_pos_msf[0]);
1639 data.what.position.absaddr.msf.second = bcd2bin(q.hd_pos_msf[1]);
1640 data.what.position.absaddr.msf.frame = bcd2bin(q.hd_pos_msf[2]);
1643 lba = msf2hsg(q.trk_size_msf, 1);
1645 * Pre-gap has index number of 0, and decreasing MSF
1646 * address. Must be converted to negative LBA, per
1649 if (data.what.position.index_number == 0)
1651 data.what.position.reladdr.lba = htonl(lba);
1652 data.what.position.absaddr.lba = htonl(msf2hsg(q.hd_pos_msf, 0));
1658 return copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len));
1662 mcd_playmsf(int unit, struct ioc_play_msf *p)
1664 struct mcd_data *cd = mcd_data + unit;
1665 struct mcd_read2 pb;
1668 printf("mcd%d: playmsf: from %d:%d.%d to %d:%d.%d\n",
1670 p->start_m, p->start_s, p->start_f,
1671 p->end_m, p->end_s, p->end_f);
1673 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >=
1674 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) ||
1675 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) >
1676 M_msf(cd->volinfo.vol_msf) * 60 * 75 +
1677 S_msf(cd->volinfo.vol_msf) * 75 +
1678 F_msf(cd->volinfo.vol_msf))
1681 pb.start_msf[0] = bin2bcd(p->start_m);
1682 pb.start_msf[1] = bin2bcd(p->start_s);
1683 pb.start_msf[2] = bin2bcd(p->start_f);
1684 pb.end_msf[0] = bin2bcd(p->end_m);
1685 pb.end_msf[1] = bin2bcd(p->end_s);
1686 pb.end_msf[2] = bin2bcd(p->end_f);
1688 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1691 return mcd_play(unit, &pb);
1695 mcd_playtracks(int unit, struct ioc_play_track *pt)
1697 struct mcd_data *cd = mcd_data + unit;
1698 struct mcd_read2 pb;
1699 int a = pt->start_track;
1700 int z = pt->end_track;
1703 if ((rc = mcd_read_toc(unit)) != 0)
1707 printf("mcd%d: playtracks from %d:%d to %d:%d\n", unit,
1708 a, pt->start_index, z, pt->end_index);
1710 if ( a < bcd2bin(cd->volinfo.trk_low)
1711 || a > bcd2bin(cd->volinfo.trk_high)
1713 || z < bcd2bin(cd->volinfo.trk_low)
1714 || z > bcd2bin(cd->volinfo.trk_high))
1717 for (i = 0; i < 3; i++) {
1718 pb.start_msf[i] = cd->toc[a].hd_pos_msf[i];
1719 pb.end_msf[i] = cd->toc[z+1].hd_pos_msf[i];
1722 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1725 return mcd_play(unit, &pb);
1729 mcd_playblocks(int unit, struct ioc_play_blocks *p)
1731 struct mcd_data *cd = mcd_data + unit;
1732 struct mcd_read2 pb;
1735 printf("mcd%d: playblocks: blkno %d length %d\n",
1736 unit, p->blk, p->len);
1738 if (p->blk > cd->disksize || p->len > cd->disksize ||
1739 p->blk < 0 || p->len < 0 ||
1740 (p->blk + p->len) > cd->disksize)
1743 hsg2msf(p->blk, pb.start_msf);
1744 hsg2msf(p->blk + p->len, pb.end_msf);
1746 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1749 return mcd_play(unit, &pb);
1753 mcd_play(int unit, struct mcd_read2 *pb)
1755 struct mcd_data *cd = mcd_data + unit;
1756 int com_port = cd->iobase + mcd_command;
1757 int retry, st = -1, status;
1760 for(retry=0; retry<MCD_RETRYS; retry++) {
1763 outb(com_port, MCD_CMDSINGLESPEEDREAD);
1764 outb(com_port, pb->start_msf[0]);
1765 outb(com_port, pb->start_msf[1]);
1766 outb(com_port, pb->start_msf[2]);
1767 outb(com_port, pb->end_msf[0]);
1768 outb(com_port, pb->end_msf[1]);
1769 outb(com_port, pb->end_msf[2]);
1772 status=mcd_getstat(unit, 0);
1775 else if (status != -2)
1781 printf("mcd%d: media changed\n", unit);
1785 printf("mcd%d: mcd_play retry=%d, status=0x%02x\n", unit, retry, status);
1788 cd->audio_status = CD_AS_PLAY_IN_PROGRESS;
1795 struct mcd_data *cd = mcd_data + unit;
1796 struct mcd_qchninfo q;
1799 /* Verify current status */
1800 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS &&
1801 cd->audio_status != CD_AS_PLAY_PAUSED) {
1803 printf("mcd%d: pause attempted when not playing, audio status %d\n",
1804 unit, cd->audio_status);
1808 /* Get the current position */
1809 if (mcd_getqchan(unit, &q) < 0)
1812 /* Copy it into lastpb */
1813 cd->lastpb.start_msf[0] = q.hd_pos_msf[0];
1814 cd->lastpb.start_msf[1] = q.hd_pos_msf[1];
1815 cd->lastpb.start_msf[2] = q.hd_pos_msf[2];
1818 if ((rc=mcd_stop(unit)) != 0)
1821 /* Set the proper status and exit */
1822 cd->audio_status = CD_AS_PLAY_PAUSED;
1827 mcd_resume(int unit)
1829 struct mcd_data *cd = mcd_data + unit;
1831 if (cd->audio_status != CD_AS_PLAY_PAUSED)
1833 return mcd_play(unit, &cd->lastpb);
1836 #endif /* NMCD > 0 */