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.
43 * $FreeBSD: src/sys/i386/isa/mcd.c,v 1.115 2000/01/29 16:17:34 peter Exp $
44 * $DragonFly: src/sys/dev/disk/mcd/Attic/mcd.c,v 1.13 2005/10/13 00:02:30 dillon Exp $
46 static const char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";
50 #include <sys/param.h>
51 #include <sys/systm.h>
52 #include <sys/bootmaj.h>
54 #include <sys/fcntl.h>
57 #include <sys/disklabel.h>
58 #include <sys/kernel.h>
60 #include <sys/thread2.h>
61 #include <machine/clock.h>
63 #include <bus/isa/i386/isa_device.h>
66 #define MCD_TRACE(format, args...) \
68 if (mcd_data[unit].debug) { \
69 printf("mcd%d: status=0x%02x: ", \
70 unit, mcd_data[unit].status); \
71 printf(format, ## args); \
75 #define mcd_part(dev) ((minor(dev)) & 7)
76 #define mcd_unit(dev) (((minor(dev)) & 0x38) >> 3)
77 #define mcd_phys(dev) (((minor(dev)) & 0x40) >> 6)
81 #define MCDVALID 0x0001 /* parameters loaded */
82 #define MCDINIT 0x0002 /* device is init'd */
83 #define MCDNEWMODEL 0x0004 /* device is new model */
84 #define MCDLABEL 0x0008 /* label is read */
85 #define MCDPROBING 0x0010 /* probing */
86 #define MCDREADRAW 0x0020 /* read raw mode (2352 bytes) */
87 #define MCDVOLINFO 0x0040 /* already read volinfo */
88 #define MCDTOC 0x0080 /* already read toc */
89 #define MCDMBXBSY 0x0100 /* local mbx is busy */
92 #define MCDAUDIOBSY MCD_ST_AUDIOBSY /* playing audio */
93 #define MCDDSKCHNG MCD_ST_DSKCHNG /* sensed change of disk */
94 #define MCDDSKIN MCD_ST_DSKIN /* sensed disk in drive */
95 #define MCDDOOROPEN MCD_ST_DOOROPEN /* sensed door open */
97 /* These are apparently the different states a mitsumi can get up to */
98 #define MCDCDABSENT 0x0030
99 #define MCDCDPRESENT 0x0020
100 #define MCDSCLOSED 0x0080
101 #define MCDSOPEN 0x00a0
103 #define MCD_MD_UNKNOWN (-1)
106 #define MCD_MAXTOCS 104 /* from the Linux driver */
107 #define MCD_LASTPLUS1 170 /* special toc entry */
109 #define MCD_TYPE_UNKNOWN 0
110 #define MCD_TYPE_LU002S 1
111 #define MCD_TYPE_LU005S 2
112 #define MCD_TYPE_LU006S 3
113 #define MCD_TYPE_FX001 4
114 #define MCD_TYPE_FX001D 5
129 static struct mcd_data {
139 struct disklabel dlabel;
140 int partflags[MAXPARTITIONS];
142 struct mcd_volinfo volinfo;
143 struct mcd_qchninfo toc[MCD_MAXTOCS];
146 struct mcd_read2 lastpb;
148 struct buf_queue_head head; /* head of buf queue */
150 struct callout callout;
153 /* reader state machine */
154 #define MCD_S_BEGIN 0
155 #define MCD_S_BEGIN1 1
156 #define MCD_S_WAITSTAT 2
157 #define MCD_S_WAITMODE 3
158 #define MCD_S_WAITREAD 4
161 static void mcd_start(int unit);
162 static int mcd_getdisklabel(int unit);
164 static void mcd_configure(struct mcd_data *cd);
166 static int mcd_get(int unit, char *buf, int nmax);
167 static int mcd_setflags(int unit,struct mcd_data *cd);
168 static int mcd_getstat(int unit,int sflg);
169 static int mcd_send(int unit, int cmd,int nretrys);
170 static void hsg2msf(int hsg, bcd_t *msf);
171 static int msf2hsg(bcd_t *msf, int relative);
172 static int mcd_volinfo(int unit);
173 static inthand2_t mcdintr;
174 static int mcd_waitrdy(int port,int dly);
175 static timeout_t mcd_timeout;
176 static void mcd_doread(int state, struct mcd_mbx *mbxin);
177 static void mcd_soft_reset(int unit);
178 static int mcd_hard_reset(int unit);
179 static int mcd_setmode(int unit, int mode);
180 static int mcd_getqchan(int unit, struct mcd_qchninfo *q);
181 static int mcd_subchan(int unit, struct ioc_read_subchannel *sc);
182 static int mcd_toc_header(int unit, struct ioc_toc_header *th);
183 static int mcd_read_toc(int unit);
184 static int mcd_toc_entrys(int unit, struct ioc_read_toc_entry *te);
186 static int mcd_toc_entry(int unit, struct ioc_read_toc_single_entry *te);
188 static int mcd_stop(int unit);
189 static int mcd_eject(int unit);
190 static int mcd_inject(int unit);
191 static int mcd_playtracks(int unit, struct ioc_play_track *pt);
192 static int mcd_play(int unit, struct mcd_read2 *pb);
193 static int mcd_playmsf(int unit, struct ioc_play_msf *pt);
194 static int mcd_playblocks(int unit, struct ioc_play_blocks *);
195 static int mcd_pause(int unit);
196 static int mcd_resume(int unit);
197 static int mcd_lock_door(int unit, int lock);
198 static int mcd_close_tray(int unit);
200 static int mcd_probe(struct isa_device *dev);
201 static int mcd_attach(struct isa_device *dev);
202 struct isa_driver mcddriver = { mcd_probe, mcd_attach, "mcd" };
204 static d_open_t mcdopen;
205 static d_close_t mcdclose;
206 static d_ioctl_t mcdioctl;
207 static d_psize_t mcdsize;
208 static d_strategy_t mcdstrategy;
210 static struct cdevsw mcd_cdevsw = {
212 /* maj */ MCD_CDEV_MAJOR,
218 /* close */ mcdclose,
221 /* ioctl */ mcdioctl,
224 /* strategy */ mcdstrategy,
229 #define mcd_put(port,byte) outb(port,byte)
232 #define MCD_RDRETRYS 8
234 #define CLOSE_TRAY_SECS 8
235 #define DISK_SENSE_SECS 3
239 #define RDELAY_WAITSTAT 300
240 #define RDELAY_WAITMODE 300
241 #define RDELAY_WAITREAD 800
244 #define DELAY_GETREPLY 5000000
246 int mcd_attach(struct isa_device *dev)
248 int unit = dev->id_unit;
249 struct mcd_data *cd = mcd_data + unit;
251 dev->id_intr = mcdintr;
252 cd->iobase = dev->id_iobase;
253 cd->flags |= MCDINIT;
254 callout_init(&cd->callout);
255 mcd_soft_reset(unit);
256 bufq_init(&cd->head);
259 /* wire controller for interrupts and dma */
262 /* name filled in probe */
263 cdevsw_add(&mcd_cdevsw, dkunitmask(), dkmakeunit(unit));
264 make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, 0),
265 UID_ROOT, GID_OPERATOR, 0640, "rmcd%da", unit);
266 make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, RAW_PART),
267 UID_ROOT, GID_OPERATOR, 0640, "rmcd%dc", unit);
268 make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, 0),
269 UID_ROOT, GID_OPERATOR, 0640, "mcd%da", unit);
270 make_dev(&mcd_cdevsw, dkmakeminor(unit, 0, RAW_PART),
271 UID_ROOT, GID_OPERATOR, 0640, "mcd%dc", unit);
275 int mcdopen(dev_t dev, int flags, int fmt, struct thread *td)
277 int unit,part,phys,r,retry;
280 unit = mcd_unit(dev);
284 cd = mcd_data + unit;
285 part = mcd_part(dev);
286 phys = mcd_phys(dev);
289 if (!(cd->flags & MCDINIT))
292 /* invalidated in the meantime? mark all open part's invalid */
293 if (!(cd->flags & MCDVALID) && cd->openflags)
296 if (mcd_getstat(unit,1) == -1)
299 if ( (cd->status & (MCDDSKCHNG|MCDDOOROPEN))
300 || !(cd->status & MCDDSKIN))
301 for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) {
302 (void) tsleep((caddr_t)cd, PCATCH, "mcdsn1", hz/WAIT_FRAC);
303 if ((r = mcd_getstat(unit,1)) == -1)
309 if (( (cd->status & (MCDDOOROPEN|MCDDSKCHNG))
310 || !(cd->status & MCDDSKIN)
312 && major(dev) == MCD_CDEV_MAJOR && part == RAW_PART
314 cd->openflags |= (1<<part);
316 cd->partflags[part] |= MCDREADRAW;
319 if (cd->status & MCDDOOROPEN) {
320 printf("mcd%d: door is open\n", unit);
323 if (!(cd->status & MCDDSKIN)) {
324 printf("mcd%d: no CD inside\n", unit);
327 if (cd->status & MCDDSKCHNG) {
328 printf("mcd%d: CD not sensed\n", unit);
332 if (mcdsize(dev) < 0) {
333 if (major(dev) == MCD_CDEV_MAJOR && part == RAW_PART) {
334 cd->openflags |= (1<<part);
336 cd->partflags[part] |= MCDREADRAW;
339 printf("mcd%d: failed to get disk size\n",unit);
342 cd->flags |= MCDVALID;
344 /* XXX get a default disklabel */
345 mcd_getdisklabel(unit);
347 MCD_TRACE("open: partition=%d, disksize = %ld, blksize=%d\n",
348 part, cd->disksize, cd->blksize);
350 dev->si_bsize_phys = cd->blksize;
352 if (part == RAW_PART ||
353 (part < cd->dlabel.d_npartitions &&
354 cd->dlabel.d_partitions[part].p_fstype != FS_UNUSED)) {
355 cd->openflags |= (1<<part);
356 if (part == RAW_PART && phys)
357 cd->partflags[part] |= MCDREADRAW;
358 (void) mcd_lock_door(unit, MCD_LK_LOCK);
359 if (!(cd->flags & MCDVALID))
367 int mcdclose(dev_t dev, int flags, int fmt, struct thread *td)
372 unit = mcd_unit(dev);
376 cd = mcd_data + unit;
377 part = mcd_part(dev);
379 if (!(cd->flags & MCDINIT) || !(cd->openflags & (1<<part)))
382 MCD_TRACE("close: partition=%d\n", part);
384 (void) mcd_lock_door(unit, MCD_LK_UNLOCK);
385 cd->openflags &= ~(1<<part);
386 cd->partflags[part] &= ~MCDREADRAW;
392 mcdstrategy(struct buf *bp)
396 int unit = mcd_unit(bp->b_dev);
398 cd = mcd_data + unit;
401 /*MCD_TRACE("strategy: buf=0x%lx, unit=%ld, block#=%ld bcount=%ld\n",
402 bp,unit,bp->b_blkno,bp->b_bcount);*/
403 if (unit >= NMCD || bp->b_blkno < 0) {
404 printf("mcdstrategy: unit = %d, blkno = %ld, bcount = %ld\n",
405 unit, (long)bp->b_blkno, bp->b_bcount);
406 printf("mcd: mcdstratregy failure");
407 bp->b_error = EINVAL;
408 bp->b_flags |= B_ERROR;
412 /* if device invalidated (e.g. media change, door open), error */
413 if (!(cd->flags & MCDVALID)) {
414 MCD_TRACE("strategy: drive not valid\n");
420 if (!(bp->b_flags & B_READ)) {
425 /* no data to read */
426 if (bp->b_bcount == 0)
429 /* for non raw access, check partition limits */
430 if (mcd_part(bp->b_dev) != RAW_PART) {
431 if (!(cd->flags & MCDLABEL)) {
435 /* adjust transfer if necessary */
436 if (bounds_check_with_label(bp,&cd->dlabel,1) <= 0) {
440 bp->b_pblkno = bp->b_blkno;
446 bufqdisksort(&cd->head, bp);
449 /* now check whether we can perform processing */
454 bp->b_flags |= B_ERROR;
456 bp->b_resid = bp->b_bcount;
461 static void mcd_start(int unit)
463 struct mcd_data *cd = mcd_data + unit;
468 if (cd->flags & MCDMBXBSY) {
473 bp = bufq_first(&cd->head);
475 /* block found to process, dequeue */
476 /*MCD_TRACE("mcd_start: found block bp=0x%x\n",bp,0,0,0);*/
477 bufq_remove(&cd->head, bp);
486 if (!(cd->flags & MCDVALID)) {
487 MCD_TRACE("mcd_start: drive not valid\n");
491 p = cd->dlabel.d_partitions + mcd_part(bp->b_dev);
493 cd->flags |= MCDMBXBSY;
494 if (cd->partflags[mcd_part(bp->b_dev)] & MCDREADRAW)
495 cd->flags |= MCDREADRAW;
497 cd->mbx.port = cd->iobase;
498 cd->mbx.retry = MCD_RETRYS;
500 cd->mbx.p_offset = p->p_offset;
502 /* calling the read routine */
503 mcd_doread(MCD_S_BEGIN,&(cd->mbx));
504 /* triggers mcd_start, when successful finished */
508 int mcdioctl(dev_t dev, u_long cmd, caddr_t addr, int flags, struct thread *td)
511 int unit,part,retry,r;
513 unit = mcd_unit(dev);
514 part = mcd_part(dev);
515 cd = mcd_data + unit;
517 if (mcd_getstat(unit, 1) == -1) /* detect disk change too */
519 MCD_TRACE("ioctl called 0x%lx\n", cmd);
532 return mcd_eject(unit);
540 return mcd_hard_reset(unit);
542 return mcd_lock_door(unit, MCD_LK_UNLOCK);
544 return mcd_lock_door(unit, MCD_LK_LOCK);
546 return mcd_inject(unit);
549 if (!(cd->flags & MCDVALID)) {
550 if ( major(dev) != MCD_CDEV_MAJOR
552 || !(cd->openflags & (1<<RAW_PART))
555 if ( (cd->status & (MCDDSKCHNG|MCDDOOROPEN))
556 || !(cd->status & MCDDSKIN))
557 for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) {
558 (void) tsleep((caddr_t)cd, PCATCH, "mcdsn2", hz/WAIT_FRAC);
559 if ((r = mcd_getstat(unit,1)) == -1)
564 if ( (cd->status & (MCDDOOROPEN|MCDDSKCHNG))
565 || !(cd->status & MCDDSKIN)
569 cd->flags |= MCDVALID;
570 mcd_getdisklabel(unit);
572 cd->partflags[part] |= MCDREADRAW;
573 (void) mcd_lock_door(unit, MCD_LK_LOCK);
574 if (!(cd->flags & MCDVALID))
580 *(struct disklabel *) addr = cd->dlabel;
583 ((struct partinfo *) addr)->disklab = &cd->dlabel;
584 ((struct partinfo *) addr)->part =
585 &cd->dlabel.d_partitions[mcd_part(dev)];
589 * a bit silly, but someone might want to test something on a
594 if ((flags & FWRITE) == 0)
597 return setdisklabel(&cd->dlabel,
598 (struct disklabel *) addr,
603 case CDIOCPLAYTRACKS:
604 return mcd_playtracks(unit, (struct ioc_play_track *) addr);
605 case CDIOCPLAYBLOCKS:
606 return mcd_playblocks(unit, (struct ioc_play_blocks *) addr);
608 return mcd_playmsf(unit, (struct ioc_play_msf *) addr);
609 case CDIOCREADSUBCHANNEL:
610 return mcd_subchan(unit, (struct ioc_read_subchannel *) addr);
611 case CDIOREADTOCHEADER:
612 return mcd_toc_header(unit, (struct ioc_toc_header *) addr);
613 case CDIOREADTOCENTRYS:
614 return mcd_toc_entrys(unit, (struct ioc_read_toc_entry *) addr);
616 return mcd_resume(unit);
618 return mcd_pause(unit);
620 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
624 return mcd_stop(unit);
631 /* this could have been taken from scsi/cd.c, but it is not clear
632 * whether the scsi cd driver is linked in
634 static int mcd_getdisklabel(int unit)
636 struct mcd_data *cd = mcd_data + unit;
638 if (cd->flags & MCDLABEL)
641 bzero(&cd->dlabel,sizeof(struct disklabel));
642 /* filled with spaces first */
643 strncpy(cd->dlabel.d_typename," ",
644 sizeof(cd->dlabel.d_typename));
645 strncpy(cd->dlabel.d_typename, cd->name,
646 min(strlen(cd->name), sizeof(cd->dlabel.d_typename) - 1));
647 strncpy(cd->dlabel.d_packname,"unknown ",
648 sizeof(cd->dlabel.d_packname));
649 cd->dlabel.d_secsize = cd->blksize;
650 cd->dlabel.d_nsectors = 100;
651 cd->dlabel.d_ntracks = 1;
652 cd->dlabel.d_ncylinders = (cd->disksize/100)+1;
653 cd->dlabel.d_secpercyl = 100;
654 cd->dlabel.d_secperunit = cd->disksize;
655 cd->dlabel.d_rpm = 300;
656 cd->dlabel.d_interleave = 1;
657 cd->dlabel.d_flags = D_REMOVABLE;
658 cd->dlabel.d_npartitions= 1;
659 cd->dlabel.d_partitions[0].p_offset = 0;
660 cd->dlabel.d_partitions[0].p_size = cd->disksize;
661 cd->dlabel.d_partitions[0].p_fstype = 9;
662 cd->dlabel.d_magic = DISKMAGIC;
663 cd->dlabel.d_magic2 = DISKMAGIC;
664 cd->dlabel.d_checksum = dkcksum(&cd->dlabel);
666 cd->flags |= MCDLABEL;
670 int mcdsize(dev_t dev)
673 int unit = mcd_unit(dev);
674 struct mcd_data *cd = mcd_data + unit;
676 if (mcd_volinfo(unit) == 0) {
677 cd->blksize = MCDBLK;
678 size = msf2hsg(cd->volinfo.vol_msf, 0);
679 cd->disksize = size * (MCDBLK/DEV_BSIZE);
685 /***************************************************************
686 * lower level of driver starts here
687 **************************************************************/
692 0x00,0x00,0x10,0x20,0x00,0x30,0x00,0x00,
693 0x00,0x10,0x40,0x50,0x00,0x00,0x00,0x00
698 0x00,0x01,0x00,0x03,0x00,0x05,0x06,0x07,
704 mcd_configure(struct mcd_data *cd)
706 outb(cd->iobase+mcd_config,cd->config);
710 /* Wait for non-busy - return 0 on timeout */
712 twiddle_thumbs(int port, int unit, int count, char *whine)
716 for (i = 0; i < count; i++) {
717 if (!(inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL))
721 printf("mcd%d: timeout %s\n", unit, whine);
725 /* check to see if a Mitsumi CD-ROM is attached to the ISA bus */
728 mcd_probe(struct isa_device *dev)
730 int port = dev->id_iobase;
731 int unit = dev->id_unit;
733 unsigned char stbytes[3];
735 mcd_data[unit].flags = MCDPROBING;
738 /* get irq/drq configuration word */
739 mcd_data[unit].config = irqs[dev->id_irq]; /* | drqs[dev->id_drq];*/
741 mcd_data[unit].config = 0;
745 outb(port+MCD_FLAGS, M_RESET);
748 * delay awhile by getting any pending garbage (old data) and
751 for (i = 1000000; i != 0; i--)
755 outb(port+MCD_DATA, MCD_CMDGETSTAT);
756 if (!twiddle_thumbs(port, unit, 1000000, "getting status"))
757 return 0; /* Timeout */
758 /* Get version information */
759 outb(port+MCD_DATA, MCD_CMDCONTINFO);
760 for (j = 0; j < 3; j++) {
761 if (!twiddle_thumbs(port, unit, 3000, "getting version info"))
763 stbytes[j] = (inb(port+MCD_DATA) & 0xFF);
765 if (stbytes[1] == stbytes[2])
767 if (stbytes[2] >= 4 || stbytes[1] != 'M') {
768 outb(port+MCD_CTRL, M_PICKLE);
769 mcd_data[unit].flags |= MCDNEWMODEL;
771 mcd_data[unit].read_command = MCD_CMDSINGLESPEEDREAD;
772 switch (stbytes[1]) {
774 if (stbytes[2] <= 2) {
775 mcd_data[unit].type = MCD_TYPE_LU002S;
776 mcd_data[unit].name = "Mitsumi LU002S";
777 } else if (stbytes[2] <= 5) {
778 mcd_data[unit].type = MCD_TYPE_LU005S;
779 mcd_data[unit].name = "Mitsumi LU005S";
781 mcd_data[unit].type = MCD_TYPE_LU006S;
782 mcd_data[unit].name = "Mitsumi LU006S";
786 mcd_data[unit].type = MCD_TYPE_FX001;
787 mcd_data[unit].name = "Mitsumi FX001";
790 mcd_data[unit].type = MCD_TYPE_FX001D;
791 mcd_data[unit].name = "Mitsumi FX001D";
792 mcd_data[unit].read_command = MCD_CMDDOUBLESPEEDREAD;
795 mcd_data[unit].type = MCD_TYPE_UNKNOWN;
796 mcd_data[unit].name = "Mitsumi ???";
799 printf("mcd%d: type %s, version info: %c %x\n", unit, mcd_data[unit].name,
800 stbytes[1], stbytes[2]);
807 mcd_waitrdy(int port,int dly)
811 /* wait until flag port senses status ready */
812 for (i=0; i<dly; i+=MIN_DELAY) {
813 if (!(inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL))
821 mcd_getreply(int unit,int dly)
823 struct mcd_data *cd = mcd_data + unit;
824 int port = cd->iobase;
826 /* wait data to become ready */
827 if (mcd_waitrdy(port,dly)<0) {
828 printf("mcd%d: timeout getreply\n",unit);
833 return inb(port+mcd_status) & 0xFF;
837 mcd_getstat(int unit,int sflg)
840 struct mcd_data *cd = mcd_data + unit;
841 int port = cd->iobase;
845 outb(port+mcd_command, MCD_CMDGETSTAT);
846 i = mcd_getreply(unit,DELAY_GETREPLY);
847 if (i<0 || (i & MCD_ST_CMDCHECK)) {
848 cd->curr_mode = MCD_MD_UNKNOWN;
854 if (mcd_setflags(unit,cd) < 0)
860 mcd_setflags(int unit, struct mcd_data *cd)
863 if ( (cd->status & (MCDDSKCHNG|MCDDOOROPEN))
864 || !(cd->status & MCDDSKIN)) {
865 MCD_TRACE("setflags: sensed DSKCHNG or DOOROPEN or !DSKIN\n");
866 mcd_soft_reset(unit);
870 if (cd->status & MCDAUDIOBSY)
871 cd->audio_status = CD_AS_PLAY_IN_PROGRESS;
872 else if (cd->audio_status == CD_AS_PLAY_IN_PROGRESS)
873 cd->audio_status = CD_AS_PLAY_COMPLETED;
878 mcd_get(int unit, char *buf, int nmax)
882 for (i=0; i<nmax; i++) {
884 if ((k = mcd_getreply(unit,DELAY_GETREPLY)) < 0) {
885 printf("mcd%d: timeout mcd_get\n",unit);
894 mcd_send(int unit, int cmd,int nretrys)
897 int port = mcd_data[unit].iobase;
899 /*MCD_TRACE("mcd_send: command = 0x%02x\n",cmd,0,0,0);*/
900 for (i=0; i<nretrys; i++) {
901 outb(port+mcd_command, cmd);
902 if ((k=mcd_getstat(unit,0)) != -1)
906 printf("mcd%d: media changed\n",unit);
910 printf("mcd%d: mcd_send retry cnt exceeded\n",unit);
913 /*MCD_TRACE("mcd_send: done\n",0,0,0,0);*/
918 hsg2msf(int hsg, bcd_t *msf)
921 F_msf(msf) = bin2bcd(hsg % 75);
923 S_msf(msf) = bin2bcd(hsg % 60);
925 M_msf(msf) = bin2bcd(hsg);
929 msf2hsg(bcd_t *msf, int relative)
931 return (bcd2bin(M_msf(msf)) * 60 + bcd2bin(S_msf(msf))) * 75 +
932 bcd2bin(F_msf(msf)) - (!relative) * 150;
936 mcd_volinfo(int unit)
938 struct mcd_data *cd = mcd_data + unit;
940 /* Just return if we already have it */
941 if (cd->flags & MCDVOLINFO) return 0;
943 /*MCD_TRACE("mcd_volinfo: enter\n",0,0,0,0);*/
945 /* send volume info command */
946 if (mcd_send(unit,MCD_CMDGETVOLINFO,MCD_RETRYS) < 0)
950 if (mcd_get(unit,(char*) &cd->volinfo,sizeof(struct mcd_volinfo)) < 0) {
951 printf("mcd%d: mcd_volinfo: error read data\n",unit);
955 if (cd->volinfo.trk_low > 0 &&
956 cd->volinfo.trk_high >= cd->volinfo.trk_low
958 cd->flags |= MCDVOLINFO; /* volinfo is OK */
968 MCD_TRACE("stray interrupt\n");
971 /* state machine to process read requests
972 * initialize with MCD_S_BEGIN: calculate sizes, and read status
973 * MCD_S_WAITSTAT: wait for status reply, set mode
974 * MCD_S_WAITMODE: waits for status reply from set mode, set read command
975 * MCD_S_WAITREAD: wait for read ready, read data
977 static struct mcd_mbx *mbxsave;
980 mcd_timeout(void *arg)
982 mcd_doread((int)arg, mbxsave);
986 mcd_doread(int state, struct mcd_mbx *mbxin)
988 struct mcd_mbx *mbx = (state!=MCD_S_BEGIN) ? mbxsave : mbxin;
989 int unit = mbx->unit;
990 int port = mbx->port;
991 int com_port = mbx->port + mcd_command;
992 int data_port = mbx->port + mcd_rdata;
993 struct buf *bp = mbx->bp;
994 struct mcd_data *cd = mcd_data + unit;
997 struct mcd_read2 rbuf;
1004 mbx = mbxsave = mbxin;
1009 outb(com_port, MCD_CMDGETSTAT);
1010 mbx->count = RDELAY_WAITSTAT;
1011 callout_reset(&cd->callout, hz / 100,
1012 mcd_timeout, (void *)MCD_S_WAITSTAT);
1014 case MCD_S_WAITSTAT:
1015 callout_stop(&cd->callout);
1016 if (mbx->count-- >= 0) {
1017 if (inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) {
1019 callout_reset(&cd->callout, hz / 100,
1020 mcd_timeout, (void *)MCD_S_WAITSTAT);
1023 cd->status = inb(port+mcd_status) & 0xFF;
1024 if (cd->status & MCD_ST_CMDCHECK)
1026 if (mcd_setflags(unit,cd) < 0)
1028 MCD_TRACE("got WAITSTAT delay=%d\n",
1029 RDELAY_WAITSTAT-mbx->count);
1030 /* reject, if audio active */
1031 if (cd->status & MCDAUDIOBSY) {
1032 printf("mcd%d: audio is active\n",unit);
1037 /* to check for raw/cooked mode */
1038 if (cd->flags & MCDREADRAW) {
1043 mbx->sz = cd->blksize;
1046 if (rm == cd->curr_mode)
1049 mbx->count = RDELAY_WAITMODE;
1051 cd->curr_mode = MCD_MD_UNKNOWN;
1053 mcd_put(com_port, MCD_CMDSETMODE);
1054 mcd_put(com_port, rm);
1056 callout_reset(&cd->callout, hz / 100,
1057 mcd_timeout, (void *)MCD_S_WAITMODE);
1060 printf("mcd%d: timeout getstatus\n",unit);
1064 case MCD_S_WAITMODE:
1065 callout_stop(&cd->callout);
1066 if (mbx->count-- < 0) {
1067 printf("mcd%d: timeout set mode\n",unit);
1070 if (inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) {
1071 callout_reset(&cd->callout, hz / 100,
1072 mcd_timeout, (void *)MCD_S_WAITMODE);
1075 cd->status = inb(port+mcd_status) & 0xFF;
1076 if (cd->status & MCD_ST_CMDCHECK) {
1077 cd->curr_mode = MCD_MD_UNKNOWN;
1080 if (mcd_setflags(unit,cd) < 0)
1082 cd->curr_mode = mbx->mode;
1083 MCD_TRACE("got WAITMODE delay=%d\n",
1084 RDELAY_WAITMODE-mbx->count);
1086 /* for first block */
1087 mbx->nblk = (bp->b_bcount + (mbx->sz-1)) / mbx->sz;
1091 blknum = (bp->b_blkno / (mbx->sz/DEV_BSIZE))
1092 + mbx->p_offset + mbx->skip/mbx->sz;
1094 MCD_TRACE("mcd_doread: read blknum=%d for bp=%p\n",
1097 /* build parameter block */
1098 hsg2msf(blknum,rbuf.start_msf);
1100 /* send the read command */
1102 mcd_put(com_port,cd->read_command);
1103 mcd_put(com_port,rbuf.start_msf[0]);
1104 mcd_put(com_port,rbuf.start_msf[1]);
1105 mcd_put(com_port,rbuf.start_msf[2]);
1106 mcd_put(com_port,0);
1107 mcd_put(com_port,0);
1108 mcd_put(com_port,1);
1111 /* Spin briefly (<= 2ms) to avoid missing next block */
1112 for (i = 0; i < 20; i++) {
1113 k = inb(port+MCD_FLAGS);
1114 if (!(k & MFL_DATA_NOT_AVAIL))
1119 mbx->count = RDELAY_WAITREAD;
1120 callout_reset(&cd->callout, hz / 100,
1121 mcd_timeout, (void *)MCD_S_WAITREAD);
1123 case MCD_S_WAITREAD:
1124 callout_stop(&cd->callout);
1125 if (mbx->count-- > 0) {
1126 k = inb(port+MCD_FLAGS);
1127 if (!(k & MFL_DATA_NOT_AVAIL)) { /* XXX */
1128 MCD_TRACE("got data delay=%d\n",
1129 RDELAY_WAITREAD-mbx->count);
1132 addr = bp->b_data + mbx->skip;
1134 outb(port+mcd_ctl2,0x04); /* XXX */
1135 for (i=0; i<mbx->sz; i++)
1136 *addr++ = inb(data_port);
1137 outb(port+mcd_ctl2,0x0c); /* XXX */
1139 k = inb(port+MCD_FLAGS);
1140 /* If we still have some junk, read it too */
1141 if (!(k & MFL_DATA_NOT_AVAIL)) {
1142 outb(port+mcd_ctl2,0x04); /* XXX */
1143 (void)inb(data_port);
1144 (void)inb(data_port);
1145 outb(port+mcd_ctl2,0x0c); /* XXX */
1148 if (--mbx->nblk > 0) {
1149 mbx->skip += mbx->sz;
1157 cd->flags &= ~(MCDMBXBSY|MCDREADRAW);
1158 mcd_start(mbx->unit);
1161 if (!(k & MFL_STATUS_NOT_AVAIL)) {
1162 cd->status = inb(port+mcd_status) & 0xFF;
1163 if (cd->status & MCD_ST_CMDCHECK)
1165 if (mcd_setflags(unit,cd) < 0)
1168 callout_reset(&cd->callout, hz / 100,
1169 mcd_timeout, (void *)MCD_S_WAITREAD);
1172 printf("mcd%d: timeout read data\n",unit);
1178 if (mbx->retry-- > 0) {
1179 printf("mcd%d: retrying\n",unit);
1180 state = MCD_S_BEGIN1;
1184 /* invalidate the buffer */
1185 bp->b_flags |= B_ERROR;
1186 bp->b_resid = bp->b_bcount;
1189 cd->flags &= ~(MCDMBXBSY|MCDREADRAW);
1190 mcd_start(mbx->unit);
1194 printf("mcd%d: media changed\n", unit);
1198 printf("mcd%d: unit timeout, resetting\n",mbx->unit);
1199 outb(mbx->port+mcd_reset,MCD_CMDRESET);
1201 (void)mcd_getstat(mbx->unit,1);
1202 (void)mcd_getstat(mbx->unit,1);
1203 /*cd->status &= ~MCDDSKCHNG; */
1204 cd->debug = 1; /* preventive set debug mode */
1211 mcd_lock_door(int unit, int lock)
1213 struct mcd_data *cd = mcd_data + unit;
1214 int port = cd->iobase;
1216 outb(port+mcd_command, MCD_CMDLOCKDRV);
1217 outb(port+mcd_command, lock);
1218 if (mcd_getstat(unit,0) == -1)
1224 mcd_close_tray(int unit)
1226 struct mcd_data *cd = mcd_data + unit;
1227 int port = cd->iobase;
1230 if (mcd_getstat(unit,1) == -1)
1232 if (cd->status & MCDDOOROPEN) {
1233 outb(port+mcd_command, MCD_CMDCLOSETRAY);
1234 for (retry = 0; retry < CLOSE_TRAY_SECS * WAIT_FRAC; retry++) {
1235 if (inb(port+MCD_FLAGS) & MFL_STATUS_NOT_AVAIL)
1236 (void) tsleep((caddr_t)cd, PCATCH, "mcdcls", hz/WAIT_FRAC);
1238 if ((r = mcd_getstat(unit,0)) == -1)
1251 struct mcd_data *cd = mcd_data + unit;
1252 int port = cd->iobase, r;
1254 if (mcd_getstat(unit,1) == -1) /* detect disk change too */
1256 if (cd->status & MCDDOOROPEN)
1258 if ((r = mcd_stop(unit)) == EIO)
1260 outb(port+mcd_command, MCD_CMDEJECTDISK);
1261 if (mcd_getstat(unit,0) == -1)
1267 mcd_inject(int unit)
1269 struct mcd_data *cd = mcd_data + unit;
1271 if (mcd_getstat(unit,1) == -1) /* detect disk change too */
1273 if (cd->status & MCDDOOROPEN)
1274 return mcd_close_tray(unit);
1279 mcd_hard_reset(int unit)
1281 struct mcd_data *cd = mcd_data + unit;
1282 int port = cd->iobase;
1284 outb(port+mcd_reset,MCD_CMDRESET);
1285 cd->curr_mode = MCD_MD_UNKNOWN;
1286 cd->audio_status = CD_AS_AUDIO_INVALID;
1291 mcd_soft_reset(int unit)
1293 struct mcd_data *cd = mcd_data + unit;
1296 cd->flags &= (MCDINIT|MCDPROBING|MCDNEWMODEL);
1297 cd->curr_mode = MCD_MD_UNKNOWN;
1298 for (i=0; i<MAXPARTITIONS; i++) cd->partflags[i] = 0;
1299 cd->audio_status = CD_AS_AUDIO_INVALID;
1303 mcd_setmode(int unit, int mode)
1305 struct mcd_data *cd = mcd_data + unit;
1306 int port = cd->iobase;
1309 if (cd->curr_mode == mode)
1312 printf("mcd%d: setting mode to %d\n", unit, mode);
1313 for(retry=0; retry<MCD_RETRYS; retry++)
1315 cd->curr_mode = MCD_MD_UNKNOWN;
1316 outb(port+mcd_command, MCD_CMDSETMODE);
1317 outb(port+mcd_command, mode);
1318 if ((st = mcd_getstat(unit, 0)) >= 0) {
1319 cd->curr_mode = mode;
1323 printf("mcd%d: media changed\n", unit);
1332 mcd_toc_header(int unit, struct ioc_toc_header *th)
1334 struct mcd_data *cd = mcd_data + unit;
1337 if ((r = mcd_volinfo(unit)) != 0)
1340 th->starting_track = bcd2bin(cd->volinfo.trk_low);
1341 th->ending_track = bcd2bin(cd->volinfo.trk_high);
1342 th->len = 2 * sizeof(u_char) /* start & end tracks */ +
1343 (th->ending_track + 1 - th->starting_track + 1) *
1344 sizeof(struct cd_toc_entry);
1350 mcd_read_toc(int unit)
1352 struct mcd_data *cd = mcd_data + unit;
1353 struct ioc_toc_header th;
1354 struct mcd_qchninfo q;
1355 int rc, trk, idx, retry;
1357 /* Only read TOC if needed */
1358 if (cd->flags & MCDTOC)
1362 printf("mcd%d: reading toc header\n", unit);
1364 if ((rc = mcd_toc_header(unit, &th)) != 0)
1367 if (mcd_send(unit, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
1370 if (mcd_setmode(unit, MCD_MD_TOC) != 0)
1374 printf("mcd%d: get_toc reading qchannel info\n",unit);
1376 for(trk=th.starting_track; trk<=th.ending_track; trk++)
1377 cd->toc[trk].idx_no = 0;
1378 trk = th.ending_track - th.starting_track + 1;
1379 for(retry=0; retry<600 && trk>0; retry++)
1381 if (mcd_getqchan(unit, &q) < 0) break;
1382 idx = bcd2bin(q.idx_no);
1383 if (idx>=th.starting_track && idx<=th.ending_track && q.trk_no==0) {
1384 if (cd->toc[idx].idx_no == 0) {
1391 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1397 /* add a fake last+1 */
1398 idx = th.ending_track + 1;
1399 cd->toc[idx].control = cd->toc[idx-1].control;
1400 cd->toc[idx].addr_type = cd->toc[idx-1].addr_type;
1401 cd->toc[idx].trk_no = 0;
1402 cd->toc[idx].idx_no = MCD_LASTPLUS1;
1403 cd->toc[idx].hd_pos_msf[0] = cd->volinfo.vol_msf[0];
1404 cd->toc[idx].hd_pos_msf[1] = cd->volinfo.vol_msf[1];
1405 cd->toc[idx].hd_pos_msf[2] = cd->volinfo.vol_msf[2];
1409 for (i = th.starting_track; i <= idx; i++)
1410 printf("mcd%d: trk %d idx %d pos %d %d %d\n",
1412 cd->toc[i].idx_no > 0x99 ? cd->toc[i].idx_no :
1413 bcd2bin(cd->toc[i].idx_no),
1414 bcd2bin(cd->toc[i].hd_pos_msf[0]),
1415 bcd2bin(cd->toc[i].hd_pos_msf[1]),
1416 bcd2bin(cd->toc[i].hd_pos_msf[2]));
1419 cd->flags |= MCDTOC;
1426 mcd_toc_entry(int unit, struct ioc_read_toc_single_entry *te)
1428 struct mcd_data *cd = mcd_data + unit;
1429 struct ioc_toc_header th;
1432 if (te->address_format != CD_MSF_FORMAT
1433 && te->address_format != CD_LBA_FORMAT)
1436 /* Copy the toc header */
1437 if ((rc = mcd_toc_header(unit, &th)) != 0)
1440 /* verify starting track */
1443 trk = th.starting_track;
1444 else if (trk == MCD_LASTPLUS1)
1445 trk = th.ending_track + 1;
1446 else if (trk < th.starting_track || trk > th.ending_track + 1)
1449 /* Make sure we have a valid toc */
1450 if ((rc=mcd_read_toc(unit)) != 0)
1453 /* Copy the TOC data. */
1454 if (cd->toc[trk].idx_no == 0)
1457 te->entry.control = cd->toc[trk].control;
1458 te->entry.addr_type = cd->toc[trk].addr_type;
1460 cd->toc[trk].idx_no > 0x99 ? cd->toc[trk].idx_no :
1461 bcd2bin(cd->toc[trk].idx_no);
1462 switch (te->address_format) {
1464 te->entry.addr.msf.unused = 0;
1465 te->entry.addr.msf.minute = bcd2bin(cd->toc[trk].hd_pos_msf[0]);
1466 te->entry.addr.msf.second = bcd2bin(cd->toc[trk].hd_pos_msf[1]);
1467 te->entry.addr.msf.frame = bcd2bin(cd->toc[trk].hd_pos_msf[2]);
1470 te->entry.addr.lba = htonl(msf2hsg(cd->toc[trk].hd_pos_msf, 0));
1478 mcd_toc_entrys(int unit, struct ioc_read_toc_entry *te)
1480 struct mcd_data *cd = mcd_data + unit;
1481 struct cd_toc_entry entries[MCD_MAXTOCS];
1482 struct ioc_toc_header th;
1483 int rc, n, trk, len;
1485 if ( te->data_len < sizeof(entries[0])
1486 || (te->data_len % sizeof(entries[0])) != 0
1487 || (te->address_format != CD_MSF_FORMAT
1488 && te->address_format != CD_LBA_FORMAT)
1492 /* Copy the toc header */
1493 if ((rc = mcd_toc_header(unit, &th)) != 0)
1496 /* verify starting track */
1497 trk = te->starting_track;
1499 trk = th.starting_track;
1500 else if (trk == MCD_LASTPLUS1)
1501 trk = th.ending_track + 1;
1502 else if (trk < th.starting_track || trk > th.ending_track + 1)
1505 len = ((th.ending_track + 1 - trk) + 1) *
1507 if (te->data_len < len)
1509 if (len > sizeof(entries))
1512 /* Make sure we have a valid toc */
1513 if ((rc=mcd_read_toc(unit)) != 0)
1516 /* Copy the TOC data. */
1517 for (n = 0; len > 0 && trk <= th.ending_track + 1; trk++) {
1518 if (cd->toc[trk].idx_no == 0)
1520 entries[n].control = cd->toc[trk].control;
1521 entries[n].addr_type = cd->toc[trk].addr_type;
1523 cd->toc[trk].idx_no > 0x99 ? cd->toc[trk].idx_no :
1524 bcd2bin(cd->toc[trk].idx_no);
1525 switch (te->address_format) {
1527 entries[n].addr.msf.unused = 0;
1528 entries[n].addr.msf.minute = bcd2bin(cd->toc[trk].hd_pos_msf[0]);
1529 entries[n].addr.msf.second = bcd2bin(cd->toc[trk].hd_pos_msf[1]);
1530 entries[n].addr.msf.frame = bcd2bin(cd->toc[trk].hd_pos_msf[2]);
1533 entries[n].addr.lba = htonl(msf2hsg(cd->toc[trk].hd_pos_msf, 0));
1536 len -= sizeof(struct cd_toc_entry);
1540 /* copy the data back */
1541 return copyout(entries, te->data, n * sizeof(struct cd_toc_entry));
1547 struct mcd_data *cd = mcd_data + unit;
1549 /* Verify current status */
1550 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS &&
1551 cd->audio_status != CD_AS_PLAY_PAUSED &&
1552 cd->audio_status != CD_AS_PLAY_COMPLETED) {
1554 printf("mcd%d: stop attempted when not playing, audio status %d\n",
1555 unit, cd->audio_status);
1558 if (cd->audio_status == CD_AS_PLAY_IN_PROGRESS)
1559 if (mcd_send(unit, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
1561 cd->audio_status = CD_AS_PLAY_COMPLETED;
1566 mcd_getqchan(int unit, struct mcd_qchninfo *q)
1568 struct mcd_data *cd = mcd_data + unit;
1570 if (mcd_send(unit, MCD_CMDGETQCHN, MCD_RETRYS) < 0)
1572 if (mcd_get(unit, (char *) q, sizeof(struct mcd_qchninfo)) < 0)
1575 printf("mcd%d: getqchan control=0x%x addr_type=0x%x trk=%d ind=%d ttm=%d:%d.%d dtm=%d:%d.%d\n",
1577 q->control, q->addr_type, bcd2bin(q->trk_no),
1579 bcd2bin(q->trk_size_msf[0]), bcd2bin(q->trk_size_msf[1]),
1580 bcd2bin(q->trk_size_msf[2]),
1581 bcd2bin(q->hd_pos_msf[0]), bcd2bin(q->hd_pos_msf[1]),
1582 bcd2bin(q->hd_pos_msf[2]));
1588 mcd_subchan(int unit, struct ioc_read_subchannel *sc)
1590 struct mcd_data *cd = mcd_data + unit;
1591 struct mcd_qchninfo q;
1592 struct cd_sub_channel_info data;
1596 printf("mcd%d: subchan af=%d, df=%d\n", unit,
1600 if (sc->address_format != CD_MSF_FORMAT &&
1601 sc->address_format != CD_LBA_FORMAT)
1604 if (sc->data_format != CD_CURRENT_POSITION &&
1605 sc->data_format != CD_MEDIA_CATALOG)
1608 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1611 if (mcd_getqchan(unit, &q) < 0)
1614 data.header.audio_status = cd->audio_status;
1615 data.what.position.data_format = sc->data_format;
1617 switch (sc->data_format) {
1618 case CD_MEDIA_CATALOG:
1619 data.what.media_catalog.mc_valid = 1;
1620 data.what.media_catalog.mc_number[0] = '\0';
1623 case CD_CURRENT_POSITION:
1624 data.what.position.control = q.control;
1625 data.what.position.addr_type = q.addr_type;
1626 data.what.position.track_number = bcd2bin(q.trk_no);
1627 data.what.position.index_number = bcd2bin(q.idx_no);
1628 switch (sc->address_format) {
1630 data.what.position.reladdr.msf.unused = 0;
1631 data.what.position.reladdr.msf.minute = bcd2bin(q.trk_size_msf[0]);
1632 data.what.position.reladdr.msf.second = bcd2bin(q.trk_size_msf[1]);
1633 data.what.position.reladdr.msf.frame = bcd2bin(q.trk_size_msf[2]);
1634 data.what.position.absaddr.msf.unused = 0;
1635 data.what.position.absaddr.msf.minute = bcd2bin(q.hd_pos_msf[0]);
1636 data.what.position.absaddr.msf.second = bcd2bin(q.hd_pos_msf[1]);
1637 data.what.position.absaddr.msf.frame = bcd2bin(q.hd_pos_msf[2]);
1640 lba = msf2hsg(q.trk_size_msf, 1);
1642 * Pre-gap has index number of 0, and decreasing MSF
1643 * address. Must be converted to negative LBA, per
1646 if (data.what.position.index_number == 0)
1648 data.what.position.reladdr.lba = htonl(lba);
1649 data.what.position.absaddr.lba = htonl(msf2hsg(q.hd_pos_msf, 0));
1655 return copyout(&data, sc->data, min(sizeof(struct cd_sub_channel_info), sc->data_len));
1659 mcd_playmsf(int unit, struct ioc_play_msf *p)
1661 struct mcd_data *cd = mcd_data + unit;
1662 struct mcd_read2 pb;
1665 printf("mcd%d: playmsf: from %d:%d.%d to %d:%d.%d\n",
1667 p->start_m, p->start_s, p->start_f,
1668 p->end_m, p->end_s, p->end_f);
1670 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >=
1671 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) ||
1672 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) >
1673 M_msf(cd->volinfo.vol_msf) * 60 * 75 +
1674 S_msf(cd->volinfo.vol_msf) * 75 +
1675 F_msf(cd->volinfo.vol_msf))
1678 pb.start_msf[0] = bin2bcd(p->start_m);
1679 pb.start_msf[1] = bin2bcd(p->start_s);
1680 pb.start_msf[2] = bin2bcd(p->start_f);
1681 pb.end_msf[0] = bin2bcd(p->end_m);
1682 pb.end_msf[1] = bin2bcd(p->end_s);
1683 pb.end_msf[2] = bin2bcd(p->end_f);
1685 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1688 return mcd_play(unit, &pb);
1692 mcd_playtracks(int unit, struct ioc_play_track *pt)
1694 struct mcd_data *cd = mcd_data + unit;
1695 struct mcd_read2 pb;
1696 int a = pt->start_track;
1697 int z = pt->end_track;
1700 if ((rc = mcd_read_toc(unit)) != 0)
1704 printf("mcd%d: playtracks from %d:%d to %d:%d\n", unit,
1705 a, pt->start_index, z, pt->end_index);
1707 if ( a < bcd2bin(cd->volinfo.trk_low)
1708 || a > bcd2bin(cd->volinfo.trk_high)
1710 || z < bcd2bin(cd->volinfo.trk_low)
1711 || z > bcd2bin(cd->volinfo.trk_high))
1714 for (i = 0; i < 3; i++) {
1715 pb.start_msf[i] = cd->toc[a].hd_pos_msf[i];
1716 pb.end_msf[i] = cd->toc[z+1].hd_pos_msf[i];
1719 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1722 return mcd_play(unit, &pb);
1726 mcd_playblocks(int unit, struct ioc_play_blocks *p)
1728 struct mcd_data *cd = mcd_data + unit;
1729 struct mcd_read2 pb;
1732 printf("mcd%d: playblocks: blkno %d length %d\n",
1733 unit, p->blk, p->len);
1735 if (p->blk > cd->disksize || p->len > cd->disksize ||
1736 p->blk < 0 || p->len < 0 ||
1737 (p->blk + p->len) > cd->disksize)
1740 hsg2msf(p->blk, pb.start_msf);
1741 hsg2msf(p->blk + p->len, pb.end_msf);
1743 if (mcd_setmode(unit, MCD_MD_COOKED) != 0)
1746 return mcd_play(unit, &pb);
1750 mcd_play(int unit, struct mcd_read2 *pb)
1752 struct mcd_data *cd = mcd_data + unit;
1753 int com_port = cd->iobase + mcd_command;
1754 int retry, st = -1, status;
1757 for(retry=0; retry<MCD_RETRYS; retry++) {
1760 outb(com_port, MCD_CMDSINGLESPEEDREAD);
1761 outb(com_port, pb->start_msf[0]);
1762 outb(com_port, pb->start_msf[1]);
1763 outb(com_port, pb->start_msf[2]);
1764 outb(com_port, pb->end_msf[0]);
1765 outb(com_port, pb->end_msf[1]);
1766 outb(com_port, pb->end_msf[2]);
1769 status=mcd_getstat(unit, 0);
1772 else if (status != -2)
1778 printf("mcd%d: media changed\n", unit);
1782 printf("mcd%d: mcd_play retry=%d, status=0x%02x\n", unit, retry, status);
1785 cd->audio_status = CD_AS_PLAY_IN_PROGRESS;
1792 struct mcd_data *cd = mcd_data + unit;
1793 struct mcd_qchninfo q;
1796 /* Verify current status */
1797 if (cd->audio_status != CD_AS_PLAY_IN_PROGRESS &&
1798 cd->audio_status != CD_AS_PLAY_PAUSED) {
1800 printf("mcd%d: pause attempted when not playing, audio status %d\n",
1801 unit, cd->audio_status);
1805 /* Get the current position */
1806 if (mcd_getqchan(unit, &q) < 0)
1809 /* Copy it into lastpb */
1810 cd->lastpb.start_msf[0] = q.hd_pos_msf[0];
1811 cd->lastpb.start_msf[1] = q.hd_pos_msf[1];
1812 cd->lastpb.start_msf[2] = q.hd_pos_msf[2];
1815 if ((rc=mcd_stop(unit)) != 0)
1818 /* Set the proper status and exit */
1819 cd->audio_status = CD_AS_PLAY_PAUSED;
1824 mcd_resume(int unit)
1826 struct mcd_data *cd = mcd_data + unit;
1828 if (cd->audio_status != CD_AS_PLAY_PAUSED)
1830 return mcd_play(unit, &cd->lastpb);