1 /*-
2 * Copyright 1993 by Holger Veit (data part)
3 * Copyright 1993 by Brian Moore (audio part)
4 * Changes Copyright 1993 by Gary Clark II
5 * Changes Copyright (C) 1994-1995 by Andrey A. Chernov, Moscow, Russia
6 *
7 * Rewrote probe routine to work on newer Mitsumi drives.
8 * Additional changes (C) 1994 by Jordan K. Hubbard
9 *
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
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.
30 *
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.
42 *
43 */
44
45 #include <sys/cdefs.h>
46 __FBSDID("$FreeBSD: stable/10/sys/dev/mcd/mcd.c 320923 2017-07-12 22:16:54Z jhb $");
47 static const char __used COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";
48
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/kernel.h>
52 #include <sys/conf.h>
53 #include <sys/fcntl.h>
54 #include <sys/bio.h>
55 #include <sys/cdio.h>
56 #include <sys/disk.h>
57 #include <sys/bus.h>
58
59 #include <machine/bus.h>
60 #include <machine/resource.h>
61 #include <sys/rman.h>
62
63 #include <isa/isavar.h>
64
65 #include <dev/mcd/mcdreg.h>
66 #include <dev/mcd/mcdvar.h>
67
68 #define MCD_TRACE(format, args...) \
69 { \
70 if (sc->debug) { \
71 device_printf(sc->dev, "status=0x%02x: ", \
72 sc->data.status); \
73 printf(format, ## args); \
74 } \
75 }
76
77 #define RAW_PART 2
78
79 /* flags */
80 #define MCDVALID 0x0001 /* parameters loaded */
81 #define MCDINIT 0x0002 /* device is init'd */
82 #define MCDNEWMODEL 0x0004 /* device is new model */
83 #define MCDLABEL 0x0008 /* label is read */
84 #define MCDPROBING 0x0010 /* probing */
85 #define MCDREADRAW 0x0020 /* read raw mode (2352 bytes) */
86 #define MCDVOLINFO 0x0040 /* already read volinfo */
87 #define MCDTOC 0x0080 /* already read toc */
88 #define MCDMBXBSY 0x0100 /* local mbx is busy */
89
90 /* status */
91 #define MCDAUDIOBSY MCD_ST_AUDIOBSY /* playing audio */
92 #define MCDDSKCHNG MCD_ST_DSKCHNG /* sensed change of disk */
93 #define MCDDSKIN MCD_ST_DSKIN /* sensed disk in drive */
94 #define MCDDOOROPEN MCD_ST_DOOROPEN /* sensed door open */
95
96 /* These are apparently the different states a mitsumi can get up to */
97 #define MCDCDABSENT 0x0030
98 #define MCDCDPRESENT 0x0020
99 #define MCDSCLOSED 0x0080
100 #define MCDSOPEN 0x00a0
101
102 #define MCD_MD_UNKNOWN (-1)
103
104 #define MCD_TYPE_UNKNOWN 0
105 #define MCD_TYPE_LU002S 1
106 #define MCD_TYPE_LU005S 2
107 #define MCD_TYPE_LU006S 3
108 #define MCD_TYPE_FX001 4
109 #define MCD_TYPE_FX001D 5
110
111 /* reader state machine */
112 #define MCD_S_BEGIN 0
113 #define MCD_S_BEGIN1 1
114 #define MCD_S_WAITSTAT 2
115 #define MCD_S_WAITMODE 3
116 #define MCD_S_WAITREAD 4
117
118 /* prototypes */
119 static void mcd_start(struct mcd_softc *);
120 #ifdef NOTYET
121 static void mcd_configure(struct mcd_softc *sc);
122 #endif
123 static int mcd_get(struct mcd_softc *, char *buf, int nmax);
124 static int mcd_setflags(struct mcd_softc *);
125 static int mcd_getstat(struct mcd_softc *,int sflg);
126 static int mcd_send(struct mcd_softc *, int cmd,int nretrys);
127 static void hsg2msf(int hsg, bcd_t *msf);
128 static int msf2hsg(bcd_t *msf, int relative);
129 static int mcd_volinfo(struct mcd_softc *);
130 static int mcd_waitrdy(struct mcd_softc *,int dly);
131 static timeout_t mcd_timeout;
132 static void mcd_doread(struct mcd_softc *, int state, struct mcd_mbx *mbxin);
133 static void mcd_soft_reset(struct mcd_softc *);
134 static int mcd_hard_reset(struct mcd_softc *);
135 static int mcd_setmode(struct mcd_softc *, int mode);
136 static int mcd_getqchan(struct mcd_softc *, struct mcd_qchninfo *q);
137 static int mcd_subchan(struct mcd_softc *, struct ioc_read_subchannel *sc,
138 int nocopyout);
139 static int mcd_toc_header(struct mcd_softc *, struct ioc_toc_header *th);
140 static int mcd_read_toc(struct mcd_softc *);
141 static int mcd_toc_entrys(struct mcd_softc *, struct ioc_read_toc_entry *te);
142 #if 0
143 static int mcd_toc_entry(struct mcd_softc *, struct ioc_read_toc_single_entry *te);
144 #endif
145 static int mcd_stop(struct mcd_softc *);
146 static int mcd_eject(struct mcd_softc *);
147 static int mcd_inject(struct mcd_softc *);
148 static int mcd_playtracks(struct mcd_softc *, struct ioc_play_track *pt);
149 static int mcd_play(struct mcd_softc *, struct mcd_read2 *pb);
150 static int mcd_playmsf(struct mcd_softc *, struct ioc_play_msf *pt);
151 static int mcd_playblocks(struct mcd_softc *, struct ioc_play_blocks *);
152 static int mcd_pause(struct mcd_softc *);
153 static int mcd_resume(struct mcd_softc *);
154 static int mcd_lock_door(struct mcd_softc *, int lock);
155 static int mcd_close_tray(struct mcd_softc *);
156 static int mcd_size(struct cdev *dev);
157
158 static d_open_t mcdopen;
159 static d_close_t mcdclose;
160 static d_ioctl_t mcdioctl;
161 static d_strategy_t mcdstrategy;
162
163 static struct cdevsw mcd_cdevsw = {
164 .d_version = D_VERSION,
165 .d_open = mcdopen,
166 .d_close = mcdclose,
167 .d_read = physread,
168 .d_ioctl = mcdioctl,
169 .d_strategy = mcdstrategy,
170 .d_name = "mcd",
171 .d_flags = D_DISK | D_NEEDGIANT,
172 };
173
174 #define MCD_RETRYS 5
175 #define MCD_RDRETRYS 8
176
177 #define CLOSE_TRAY_SECS 8
178 #define DISK_SENSE_SECS 3
179 #define WAIT_FRAC 4
180
181 /* several delays */
182 #define RDELAY_WAITSTAT 300
183 #define RDELAY_WAITMODE 300
184 #define RDELAY_WAITREAD 800
185
186 #define MIN_DELAY 15
187 #define DELAY_GETREPLY 5000000
188
189 int
mcd_attach(struct mcd_softc * sc)190 mcd_attach(struct mcd_softc *sc)
191 {
192 int unit;
193
194 unit = device_get_unit(sc->dev);
195
196 sc->data.flags |= MCDINIT;
197 mcd_soft_reset(sc);
198 bioq_init(&sc->data.head);
199
200 #ifdef NOTYET
201 /* wire controller for interrupts and dma */
202 mcd_configure(sc);
203 #endif
204 /* name filled in probe */
205 sc->mcd_dev_t = make_dev(&mcd_cdevsw, 8 * unit,
206 UID_ROOT, GID_OPERATOR, 0640, "mcd%d", unit);
207
208 sc->mcd_dev_t->si_drv1 = (void *)sc;
209 device_printf(sc->dev,
210 "WARNING: This driver is deprecated and will be removed.\n");
211
212 return (0);
213 }
214
215 static int
mcdopen(struct cdev * dev,int flags,int fmt,struct thread * td)216 mcdopen(struct cdev *dev, int flags, int fmt, struct thread *td)
217 {
218 struct mcd_softc *sc;
219 int r,retry;
220
221 sc = (struct mcd_softc *)dev->si_drv1;
222
223 /* not initialized*/
224 if (!(sc->data.flags & MCDINIT))
225 return (ENXIO);
226
227 /* invalidated in the meantime? mark all open part's invalid */
228 if (!(sc->data.flags & MCDVALID) && sc->data.openflags)
229 return (ENXIO);
230
231 if (mcd_getstat(sc, 1) == -1)
232 return (EIO);
233
234 if ( (sc->data.status & (MCDDSKCHNG|MCDDOOROPEN))
235 || !(sc->data.status & MCDDSKIN))
236 for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) {
237 (void) tsleep((caddr_t)sc, PSOCK | PCATCH, "mcdsn1", hz/WAIT_FRAC);
238 if ((r = mcd_getstat(sc, 1)) == -1)
239 return (EIO);
240 if (r != -2)
241 break;
242 }
243
244 if (sc->data.status & MCDDOOROPEN) {
245 device_printf(sc->dev, "door is open\n");
246 return (ENXIO);
247 }
248 if (!(sc->data.status & MCDDSKIN)) {
249 device_printf(sc->dev, "no CD inside\n");
250 return (ENXIO);
251 }
252 if (sc->data.status & MCDDSKCHNG) {
253 device_printf(sc->dev, "CD not sensed\n");
254 return (ENXIO);
255 }
256
257 if (mcd_size(dev) < 0) {
258 device_printf(sc->dev, "failed to get disk size\n");
259 return (ENXIO);
260 }
261
262 sc->data.openflags = 1;
263 sc->data.partflags |= MCDREADRAW;
264 sc->data.flags |= MCDVALID;
265
266 (void) mcd_lock_door(sc, MCD_LK_LOCK);
267 if (!(sc->data.flags & MCDVALID))
268 return (ENXIO);
269
270 return mcd_read_toc(sc);
271 }
272
273 static int
mcdclose(struct cdev * dev,int flags,int fmt,struct thread * td)274 mcdclose(struct cdev *dev, int flags, int fmt, struct thread *td)
275 {
276 struct mcd_softc *sc;
277
278 sc = (struct mcd_softc *)dev->si_drv1;
279
280 if (!(sc->data.flags & MCDINIT) || !sc->data.openflags)
281 return (ENXIO);
282
283 (void) mcd_lock_door(sc, MCD_LK_UNLOCK);
284 sc->data.openflags = 0;
285 sc->data.partflags &= ~MCDREADRAW;
286
287 return (0);
288 }
289
290 static void
mcdstrategy(struct bio * bp)291 mcdstrategy(struct bio *bp)
292 {
293 struct mcd_softc *sc;
294
295 sc = (struct mcd_softc *)bp->bio_dev->si_drv1;
296
297 /* if device invalidated (e.g. media change, door open), error */
298 if (!(sc->data.flags & MCDVALID)) {
299 device_printf(sc->dev, "media changed\n");
300 bp->bio_error = EIO;
301 goto bad;
302 }
303
304 /* read only */
305 if (!(bp->bio_cmd == BIO_READ)) {
306 bp->bio_error = EROFS;
307 goto bad;
308 }
309
310 /* no data to read */
311 if (bp->bio_bcount == 0)
312 goto done;
313
314 if (!(sc->data.flags & MCDTOC)) {
315 bp->bio_error = EIO;
316 goto bad;
317 }
318
319 bp->bio_resid = 0;
320
321 /* queue it */
322 bioq_disksort(&sc->data.head, bp);
323
324 /* now check whether we can perform processing */
325 mcd_start(sc);
326 return;
327
328 bad:
329 bp->bio_flags |= BIO_ERROR;
330 done:
331 bp->bio_resid = bp->bio_bcount;
332 biodone(bp);
333 return;
334 }
335
336 static void
mcd_start(struct mcd_softc * sc)337 mcd_start(struct mcd_softc *sc)
338 {
339 struct bio *bp;
340
341 if (sc->data.flags & MCDMBXBSY) {
342 return;
343 }
344
345 bp = bioq_takefirst(&sc->data.head);
346 if (bp != 0) {
347 /* block found to process, dequeue */
348 /*MCD_TRACE("mcd_start: found block bp=0x%x\n",bp,0,0,0);*/
349 sc->data.flags |= MCDMBXBSY;
350 } else {
351 /* nothing to do */
352 return;
353 }
354
355 sc->data.mbx.retry = MCD_RETRYS;
356 sc->data.mbx.bp = bp;
357
358 mcd_doread(sc, MCD_S_BEGIN,&(sc->data.mbx));
359 return;
360 }
361
362 static int
mcdioctl(struct cdev * dev,u_long cmd,caddr_t addr,int flags,struct thread * td)363 mcdioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flags, struct thread *td)
364 {
365 struct mcd_softc *sc;
366 int retry,r;
367
368 sc = (struct mcd_softc *)dev->si_drv1;
369
370 if (mcd_getstat(sc, 1) == -1) /* detect disk change too */
371 return (EIO);
372 MCD_TRACE("ioctl called 0x%lx\n", cmd);
373
374 switch (cmd) {
375 case CDIOCSETPATCH:
376 case CDIOCGETVOL:
377 case CDIOCSETVOL:
378 case CDIOCSETMONO:
379 case CDIOCSETSTERIO:
380 case CDIOCSETMUTE:
381 case CDIOCSETLEFT:
382 case CDIOCSETRIGHT:
383 return (EINVAL);
384 case CDIOCEJECT:
385 return mcd_eject(sc);
386 case CDIOCSETDEBUG:
387 sc->data.debug = 1;
388 return (0);
389 case CDIOCCLRDEBUG:
390 sc->data.debug = 0;
391 return (0);
392 case CDIOCRESET:
393 return mcd_hard_reset(sc);
394 case CDIOCALLOW:
395 return mcd_lock_door(sc, MCD_LK_UNLOCK);
396 case CDIOCPREVENT:
397 return mcd_lock_door(sc, MCD_LK_LOCK);
398 case CDIOCCLOSE:
399 return mcd_inject(sc);
400 }
401
402 if (!(sc->data.flags & MCDVALID)) {
403 if ( (sc->data.status & (MCDDSKCHNG|MCDDOOROPEN))
404 || !(sc->data.status & MCDDSKIN))
405 for (retry = 0; retry < DISK_SENSE_SECS * WAIT_FRAC; retry++) {
406 (void) tsleep((caddr_t)sc, PSOCK | PCATCH, "mcdsn2", hz/WAIT_FRAC);
407 if ((r = mcd_getstat(sc, 1)) == -1)
408 return (EIO);
409 if (r != -2)
410 break;
411 }
412 if ( (sc->data.status & (MCDDOOROPEN|MCDDSKCHNG))
413 || !(sc->data.status & MCDDSKIN)
414 || mcd_size(dev) < 0
415 )
416 return (ENXIO);
417 sc->data.flags |= MCDVALID;
418 sc->data.partflags |= MCDREADRAW;
419 (void) mcd_lock_door(sc, MCD_LK_LOCK);
420 if (!(sc->data.flags & MCDVALID))
421 return (ENXIO);
422 }
423
424 switch (cmd) {
425 case DIOCGMEDIASIZE:
426 *(off_t *)addr = (off_t)sc->data.disksize * sc->data.blksize;
427 return (0);
428 case DIOCGSECTORSIZE:
429 *(u_int *)addr = sc->data.blksize;
430 return (0);
431
432 case CDIOCPLAYTRACKS:
433 return mcd_playtracks(sc, (struct ioc_play_track *) addr);
434 case CDIOCPLAYBLOCKS:
435 return mcd_playblocks(sc, (struct ioc_play_blocks *) addr);
436 case CDIOCPLAYMSF:
437 return mcd_playmsf(sc, (struct ioc_play_msf *) addr);
438 case CDIOCREADSUBCHANNEL_SYSSPACE:
439 return mcd_subchan(sc, (struct ioc_read_subchannel *) addr, 1);
440 case CDIOCREADSUBCHANNEL:
441 return mcd_subchan(sc, (struct ioc_read_subchannel *) addr, 0);
442 case CDIOREADTOCHEADER:
443 return mcd_toc_header(sc, (struct ioc_toc_header *) addr);
444 case CDIOREADTOCENTRYS:
445 return mcd_toc_entrys(sc, (struct ioc_read_toc_entry *) addr);
446 case CDIOCRESUME:
447 return mcd_resume(sc);
448 case CDIOCPAUSE:
449 return mcd_pause(sc);
450 case CDIOCSTART:
451 if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
452 return (EIO);
453 return (0);
454 case CDIOCSTOP:
455 return mcd_stop(sc);
456 default:
457 return (ENOTTY);
458 }
459 /*NOTREACHED*/
460 }
461
462 static int
mcd_size(struct cdev * dev)463 mcd_size(struct cdev *dev)
464 {
465 struct mcd_softc *sc;
466 int size;
467
468 sc = (struct mcd_softc *)dev->si_drv1;
469
470 if (mcd_volinfo(sc) == 0) {
471 sc->data.blksize = MCDBLK;
472 size = msf2hsg(sc->data.volinfo.vol_msf, 0);
473 sc->data.disksize = size * (MCDBLK/DEV_BSIZE);
474 return (0);
475 }
476 return (-1);
477 }
478
479 /***************************************************************
480 * lower level of driver starts here
481 **************************************************************/
482
483 #ifdef NOTDEF
484 static char
485 irqs[] = {
486 0x00,0x00,0x10,0x20,0x00,0x30,0x00,0x00,
487 0x00,0x10,0x40,0x50,0x00,0x00,0x00,0x00
488 };
489
490 static char
491 drqs[] = {
492 0x00,0x01,0x00,0x03,0x00,0x05,0x06,0x07,
493 };
494 #endif
495
496 #ifdef NOT_YET
497 static void
mcd_configure(struct mcd_softc * sc)498 mcd_configure(struct mcd_softc *sc)
499 {
500 MCD_WRITE(sc, MCD_REG_CONFIG, sc->data.config);
501 }
502 #endif
503
504 /* Wait for non-busy - return 0 on timeout */
505 static int
twiddle_thumbs(struct mcd_softc * sc,int count,char * whine)506 twiddle_thumbs(struct mcd_softc *sc, int count, char *whine)
507 {
508 int i;
509
510 for (i = 0; i < count; i++) {
511 if (!(MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL))
512 return (1);
513 }
514 if (bootverbose)
515 device_printf(sc->dev, "timeout %s\n", whine);
516 return (0);
517 }
518
519 /* check to see if a Mitsumi CD-ROM is attached to the ISA bus */
520
521 int
mcd_probe(struct mcd_softc * sc)522 mcd_probe(struct mcd_softc *sc)
523 {
524 int i, j;
525 unsigned char stbytes[3];
526
527 sc->data.flags = MCDPROBING;
528
529 #ifdef NOTDEF
530 /* get irq/drq configuration word */
531 sc->data.config = irqs[dev->id_irq]; /* | drqs[dev->id_drq];*/
532 #else
533 sc->data.config = 0;
534 #endif
535
536 /* send a reset */
537 MCD_WRITE(sc, MCD_FLAGS, M_RESET);
538
539 /*
540 * delay awhile by getting any pending garbage (old data) and
541 * throwing it away.
542 */
543 for (i = 1000000; i != 0; i--)
544 (void)MCD_READ(sc, MCD_FLAGS);
545
546 /* Get status */
547 MCD_WRITE(sc, MCD_DATA, MCD_CMDGETSTAT);
548 if (!twiddle_thumbs(sc, 1000000, "getting status"))
549 return (ENXIO); /* Timeout */
550 /* Get version information */
551 MCD_WRITE(sc, MCD_DATA, MCD_CMDCONTINFO);
552 for (j = 0; j < 3; j++) {
553 if (!twiddle_thumbs(sc, 3000, "getting version info"))
554 return (ENXIO);
555 stbytes[j] = (MCD_READ(sc, MCD_DATA) & 0xFF);
556 }
557 if (stbytes[1] == stbytes[2])
558 return (ENXIO);
559 if (stbytes[2] >= 4 || stbytes[1] != 'M') {
560 MCD_WRITE(sc, MCD_CTRL, M_PICKLE);
561 sc->data.flags |= MCDNEWMODEL;
562 }
563 sc->data.read_command = MCD_CMDSINGLESPEEDREAD;
564 switch (stbytes[1]) {
565 case 'M':
566 if (stbytes[2] <= 2) {
567 sc->data.type = MCD_TYPE_LU002S;
568 sc->data.name = "Mitsumi LU002S";
569 } else if (stbytes[2] <= 5) {
570 sc->data.type = MCD_TYPE_LU005S;
571 sc->data.name = "Mitsumi LU005S";
572 } else {
573 sc->data.type = MCD_TYPE_LU006S;
574 sc->data.name = "Mitsumi LU006S";
575 }
576 break;
577 case 'F':
578 sc->data.type = MCD_TYPE_FX001;
579 sc->data.name = "Mitsumi FX001";
580 break;
581 case 'D':
582 sc->data.type = MCD_TYPE_FX001D;
583 sc->data.name = "Mitsumi FX001D";
584 sc->data.read_command = MCD_CMDDOUBLESPEEDREAD;
585 break;
586 default:
587 sc->data.type = MCD_TYPE_UNKNOWN;
588 sc->data.name = "Mitsumi ???";
589 break;
590 }
591
592 if (bootverbose)
593 device_printf(sc->dev, "type %s, version info: %c %x\n",
594 sc->data.name, stbytes[1], stbytes[2]);
595
596 return (0);
597 }
598
599
600 static int
mcd_waitrdy(struct mcd_softc * sc,int dly)601 mcd_waitrdy(struct mcd_softc *sc, int dly)
602 {
603 int i;
604
605 /* wait until flag port senses status ready */
606 for (i=0; i<dly; i+=MIN_DELAY) {
607 if (!(MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL))
608 return (0);
609 DELAY(MIN_DELAY);
610 }
611 return (-1);
612 }
613
614 static int
mcd_getreply(struct mcd_softc * sc,int dly)615 mcd_getreply(struct mcd_softc *sc, int dly)
616 {
617
618 /* wait data to become ready */
619 if (mcd_waitrdy(sc, dly)<0) {
620 device_printf(sc->dev, "timeout getreply\n");
621 return (-1);
622 }
623
624 /* get the data */
625 return (MCD_READ(sc, MCD_REG_STATUS) & 0xFF);
626 }
627
628 static int
mcd_getstat(struct mcd_softc * sc,int sflg)629 mcd_getstat(struct mcd_softc *sc, int sflg)
630 {
631 int i;
632
633 /* get the status */
634 if (sflg)
635 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDGETSTAT);
636 i = mcd_getreply(sc, DELAY_GETREPLY);
637 if (i<0 || (i & MCD_ST_CMDCHECK)) {
638 sc->data.curr_mode = MCD_MD_UNKNOWN;
639 return (-1);
640 }
641
642 sc->data.status = i;
643
644 if (mcd_setflags(sc) < 0)
645 return (-2);
646 return (sc->data.status);
647 }
648
649 static int
mcd_setflags(struct mcd_softc * sc)650 mcd_setflags(struct mcd_softc *sc)
651 {
652
653 /* check flags */
654 if ( (sc->data.status & (MCDDSKCHNG|MCDDOOROPEN))
655 || !(sc->data.status & MCDDSKIN)) {
656 MCD_TRACE("setflags: sensed DSKCHNG or DOOROPEN or !DSKIN\n");
657 mcd_soft_reset(sc);
658 return (-1);
659 }
660
661 if (sc->data.status & MCDAUDIOBSY)
662 sc->data.audio_status = CD_AS_PLAY_IN_PROGRESS;
663 else if (sc->data.audio_status == CD_AS_PLAY_IN_PROGRESS)
664 sc->data.audio_status = CD_AS_PLAY_COMPLETED;
665 return (0);
666 }
667
668 static int
mcd_get(struct mcd_softc * sc,char * buf,int nmax)669 mcd_get(struct mcd_softc *sc, char *buf, int nmax)
670 {
671 int i,k;
672
673 for (i=0; i<nmax; i++) {
674 /* wait for data */
675 if ((k = mcd_getreply(sc, DELAY_GETREPLY)) < 0) {
676 device_printf(sc->dev, "timeout mcd_get\n");
677 return (-1);
678 }
679 buf[i] = k;
680 }
681 return (i);
682 }
683
684 static int
mcd_send(struct mcd_softc * sc,int cmd,int nretrys)685 mcd_send(struct mcd_softc *sc, int cmd,int nretrys)
686 {
687 int i,k=0;
688
689 /*MCD_TRACE("mcd_send: command = 0x%02x\n",cmd,0,0,0);*/
690 for (i=0; i<nretrys; i++) {
691 MCD_WRITE(sc, MCD_REG_COMMAND, cmd);
692 if ((k=mcd_getstat(sc, 0)) != -1)
693 break;
694 }
695 if (k == -2) {
696 device_printf(sc->dev, "media changed\n");
697 return (-1);
698 }
699 if (i == nretrys) {
700 device_printf(sc->dev, "mcd_send retry cnt exceeded\n");
701 return (-1);
702 }
703 /*MCD_TRACE("mcd_send: done\n",0,0,0,0);*/
704 return (0);
705 }
706
707 static void
hsg2msf(int hsg,bcd_t * msf)708 hsg2msf(int hsg, bcd_t *msf)
709 {
710 hsg += 150;
711 F_msf(msf) = bin2bcd(hsg % 75);
712 hsg /= 75;
713 S_msf(msf) = bin2bcd(hsg % 60);
714 hsg /= 60;
715 M_msf(msf) = bin2bcd(hsg);
716 }
717
718 static int
msf2hsg(bcd_t * msf,int relative)719 msf2hsg(bcd_t *msf, int relative)
720 {
721 return (bcd2bin(M_msf(msf)) * 60 + bcd2bin(S_msf(msf))) * 75 +
722 bcd2bin(F_msf(msf)) - (!relative) * 150;
723 }
724
725 static int
mcd_volinfo(struct mcd_softc * sc)726 mcd_volinfo(struct mcd_softc *sc)
727 {
728
729 /* Just return if we already have it */
730 if (sc->data.flags & MCDVOLINFO) return (0);
731
732 /*MCD_TRACE("mcd_volinfo: enter\n",0,0,0,0);*/
733
734 /* send volume info command */
735 if (mcd_send(sc, MCD_CMDGETVOLINFO,MCD_RETRYS) < 0)
736 return (EIO);
737
738 /* get data */
739 if (mcd_get(sc, (char*) &sc->data.volinfo,sizeof(struct mcd_volinfo)) < 0) {
740 device_printf(sc->dev, "mcd_volinfo: error read data\n");
741 return (EIO);
742 }
743
744 if (sc->data.volinfo.trk_low > 0 &&
745 sc->data.volinfo.trk_high >= sc->data.volinfo.trk_low
746 ) {
747 sc->data.flags |= MCDVOLINFO; /* volinfo is OK */
748 return (0);
749 }
750
751 return (EINVAL);
752 }
753
754 /* state machine to process read requests
755 * initialize with MCD_S_BEGIN: calculate sizes, and read status
756 * MCD_S_WAITSTAT: wait for status reply, set mode
757 * MCD_S_WAITMODE: waits for status reply from set mode, set read command
758 * MCD_S_WAITREAD: wait for read ready, read data
759 */
760 static void
mcd_timeout(void * arg)761 mcd_timeout(void *arg)
762 {
763 struct mcd_softc *sc;
764
765 sc = (struct mcd_softc *)arg;
766
767 mcd_doread(sc, sc->ch_state, sc->ch_mbxsave);
768 }
769
770 static void
mcd_doread(struct mcd_softc * sc,int state,struct mcd_mbx * mbxin)771 mcd_doread(struct mcd_softc *sc, int state, struct mcd_mbx *mbxin)
772 {
773 struct mcd_mbx *mbx;
774 struct bio *bp;
775 int rm, i, k;
776 struct mcd_read2 rbuf;
777 int blknum;
778 caddr_t addr;
779
780 mbx = (state!=MCD_S_BEGIN) ? sc->ch_mbxsave : mbxin;
781 bp = mbx->bp;
782
783 loop:
784 switch (state) {
785 case MCD_S_BEGIN:
786 mbx = sc->ch_mbxsave = mbxin;
787
788 case MCD_S_BEGIN1:
789 retry_status:
790 /* get status */
791 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDGETSTAT);
792 mbx->count = RDELAY_WAITSTAT;
793 sc->ch_state = MCD_S_WAITSTAT;
794 sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */
795 return;
796 case MCD_S_WAITSTAT:
797 sc->ch_state = MCD_S_WAITSTAT;
798 untimeout(mcd_timeout,(caddr_t)sc, sc->ch);
799 if (mbx->count-- >= 0) {
800 if (MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) {
801 sc->ch_state = MCD_S_WAITSTAT;
802 timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */
803 return;
804 }
805 sc->data.status = MCD_READ(sc, MCD_REG_STATUS) & 0xFF;
806 if (sc->data.status & MCD_ST_CMDCHECK)
807 goto retry_status;
808 if (mcd_setflags(sc) < 0)
809 goto changed;
810 MCD_TRACE("got WAITSTAT delay=%d\n",
811 RDELAY_WAITSTAT-mbx->count);
812 /* reject, if audio active */
813 if (sc->data.status & MCDAUDIOBSY) {
814 device_printf(sc->dev, "audio is active\n");
815 goto readerr;
816 }
817
818 retry_mode:
819 /* to check for raw/cooked mode */
820 if (sc->data.flags & MCDREADRAW) {
821 rm = MCD_MD_RAW;
822 mbx->sz = MCDRBLK;
823 } else {
824 rm = MCD_MD_COOKED;
825 mbx->sz = sc->data.blksize;
826 }
827
828 if (rm == sc->data.curr_mode)
829 goto modedone;
830
831 mbx->count = RDELAY_WAITMODE;
832
833 sc->data.curr_mode = MCD_MD_UNKNOWN;
834 mbx->mode = rm;
835 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDSETMODE);
836 MCD_WRITE(sc, MCD_REG_COMMAND, rm);
837
838 sc->ch_state = MCD_S_WAITMODE;
839 sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */
840 return;
841 } else {
842 device_printf(sc->dev, "timeout getstatus\n");
843 goto readerr;
844 }
845
846 case MCD_S_WAITMODE:
847 sc->ch_state = MCD_S_WAITMODE;
848 untimeout(mcd_timeout, (caddr_t)sc, sc->ch);
849 if (mbx->count-- < 0) {
850 device_printf(sc->dev, "timeout set mode\n");
851 goto readerr;
852 }
853 if (MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL) {
854 sc->ch_state = MCD_S_WAITMODE;
855 sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100);
856 return;
857 }
858 sc->data.status = MCD_READ(sc, MCD_REG_STATUS) & 0xFF;
859 if (sc->data.status & MCD_ST_CMDCHECK) {
860 sc->data.curr_mode = MCD_MD_UNKNOWN;
861 goto retry_mode;
862 }
863 if (mcd_setflags(sc) < 0)
864 goto changed;
865 sc->data.curr_mode = mbx->mode;
866 MCD_TRACE("got WAITMODE delay=%d\n",
867 RDELAY_WAITMODE-mbx->count);
868 modedone:
869 /* for first block */
870 mbx->nblk = (bp->bio_bcount + (mbx->sz-1)) / mbx->sz;
871 mbx->skip = 0;
872
873 nextblock:
874 blknum = bp->bio_offset / mbx->sz + mbx->skip/mbx->sz;
875
876 MCD_TRACE("mcd_doread: read blknum=%d for bp=%p\n",
877 blknum, bp);
878
879 /* build parameter block */
880 hsg2msf(blknum,rbuf.start_msf);
881 retry_read:
882 /* send the read command */
883 critical_enter();
884 MCD_WRITE(sc, MCD_REG_COMMAND, sc->data.read_command);
885 MCD_WRITE(sc, MCD_REG_COMMAND, rbuf.start_msf[0]);
886 MCD_WRITE(sc, MCD_REG_COMMAND, rbuf.start_msf[1]);
887 MCD_WRITE(sc, MCD_REG_COMMAND, rbuf.start_msf[2]);
888 MCD_WRITE(sc, MCD_REG_COMMAND, 0);
889 MCD_WRITE(sc, MCD_REG_COMMAND, 0);
890 MCD_WRITE(sc, MCD_REG_COMMAND, 1);
891 critical_exit();
892
893 /* Spin briefly (<= 2ms) to avoid missing next block */
894 for (i = 0; i < 20; i++) {
895 k = MCD_READ(sc, MCD_FLAGS);
896 if (!(k & MFL_DATA_NOT_AVAIL))
897 goto got_it;
898 DELAY(100);
899 }
900
901 mbx->count = RDELAY_WAITREAD;
902 sc->ch_state = MCD_S_WAITREAD;
903 sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */
904 return;
905 case MCD_S_WAITREAD:
906 sc->ch_state = MCD_S_WAITREAD;
907 untimeout(mcd_timeout, (caddr_t)sc, sc->ch);
908 if (mbx->count-- > 0) {
909 k = MCD_READ(sc, MCD_FLAGS);
910 if (!(k & MFL_DATA_NOT_AVAIL)) { /* XXX */
911 MCD_TRACE("got data delay=%d\n",
912 RDELAY_WAITREAD-mbx->count);
913 got_it:
914 /* data is ready */
915 addr = bp->bio_data + mbx->skip;
916
917 MCD_WRITE(sc, MCD_REG_CTL2,0x04); /* XXX */
918 for (i=0; i<mbx->sz; i++)
919 *addr++ = MCD_READ(sc, MCD_REG_RDATA);
920 MCD_WRITE(sc, MCD_REG_CTL2,0x0c); /* XXX */
921
922 k = MCD_READ(sc, MCD_FLAGS);
923 /* If we still have some junk, read it too */
924 if (!(k & MFL_DATA_NOT_AVAIL)) {
925 MCD_WRITE(sc, MCD_REG_CTL2, 0x04); /* XXX */
926 (void)MCD_READ(sc, MCD_REG_RDATA);
927 (void)MCD_READ(sc, MCD_REG_RDATA);
928 MCD_WRITE(sc, MCD_REG_CTL2, 0x0c); /* XXX */
929 }
930
931 if (--mbx->nblk > 0) {
932 mbx->skip += mbx->sz;
933 goto nextblock;
934 }
935
936 /* return buffer */
937 bp->bio_resid = 0;
938 biodone(bp);
939
940 sc->data.flags &= ~(MCDMBXBSY|MCDREADRAW);
941 mcd_start(sc);
942 return;
943 }
944 if (!(k & MFL_STATUS_NOT_AVAIL)) {
945 sc->data.status = MCD_READ(sc, MCD_REG_STATUS) & 0xFF;
946 if (sc->data.status & MCD_ST_CMDCHECK)
947 goto retry_read;
948 if (mcd_setflags(sc) < 0)
949 goto changed;
950 }
951 sc->ch_state = MCD_S_WAITREAD;
952 sc->ch = timeout(mcd_timeout, (caddr_t)sc, hz/100); /* XXX */
953 return;
954 } else {
955 device_printf(sc->dev, "timeout read data\n");
956 goto readerr;
957 }
958 }
959
960 readerr:
961 if (mbx->retry-- > 0) {
962 device_printf(sc->dev, "retrying\n");
963 state = MCD_S_BEGIN1;
964 goto loop;
965 }
966 harderr:
967 /* invalidate the buffer */
968 bp->bio_flags |= BIO_ERROR;
969 bp->bio_resid = bp->bio_bcount;
970 biodone(bp);
971
972 sc->data.flags &= ~(MCDMBXBSY|MCDREADRAW);
973 mcd_start(sc);
974 return;
975
976 changed:
977 device_printf(sc->dev, "media changed\n");
978 goto harderr;
979
980 #ifdef NOTDEF
981 device_printf(sc->dev, "unit timeout, resetting\n");
982 MCD_WRITE(sc, MCD_REG_RESET, MCD_CMDRESET);
983 DELAY(300000);
984 (void)mcd_getstat(sc, 1);
985 (void)mcd_getstat(sc, 1);
986 /*sc->data.status &= ~MCDDSKCHNG; */
987 sc->data.debug = 1; /* preventive set debug mode */
988
989 #endif
990
991 }
992
993 static int
mcd_lock_door(struct mcd_softc * sc,int lock)994 mcd_lock_door(struct mcd_softc *sc, int lock)
995 {
996
997 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDLOCKDRV);
998 MCD_WRITE(sc, MCD_REG_COMMAND, lock);
999 if (mcd_getstat(sc, 0) == -1)
1000 return (EIO);
1001 return (0);
1002 }
1003
1004 static int
mcd_close_tray(struct mcd_softc * sc)1005 mcd_close_tray(struct mcd_softc *sc)
1006 {
1007 int retry, r;
1008
1009 if (mcd_getstat(sc, 1) == -1)
1010 return (EIO);
1011 if (sc->data.status & MCDDOOROPEN) {
1012 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDCLOSETRAY);
1013 for (retry = 0; retry < CLOSE_TRAY_SECS * WAIT_FRAC; retry++) {
1014 if (MCD_READ(sc, MCD_FLAGS) & MFL_STATUS_NOT_AVAIL)
1015 (void) tsleep((caddr_t)sc, PSOCK | PCATCH, "mcdcls", hz/WAIT_FRAC);
1016 else {
1017 if ((r = mcd_getstat(sc, 0)) == -1)
1018 return (EIO);
1019 return (0);
1020 }
1021 }
1022 return (ENXIO);
1023 }
1024 return (0);
1025 }
1026
1027 static int
mcd_eject(struct mcd_softc * sc)1028 mcd_eject(struct mcd_softc *sc)
1029 {
1030 int r;
1031
1032 if (mcd_getstat(sc, 1) == -1) /* detect disk change too */
1033 return (EIO);
1034 if (sc->data.status & MCDDOOROPEN)
1035 return (0);
1036 if ((r = mcd_stop(sc)) == EIO)
1037 return (r);
1038 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDEJECTDISK);
1039 if (mcd_getstat(sc, 0) == -1)
1040 return (EIO);
1041 return (0);
1042 }
1043
1044 static int
mcd_inject(struct mcd_softc * sc)1045 mcd_inject(struct mcd_softc *sc)
1046 {
1047
1048 if (mcd_getstat(sc, 1) == -1) /* detect disk change too */
1049 return (EIO);
1050 if (sc->data.status & MCDDOOROPEN)
1051 return mcd_close_tray(sc);
1052 return (0);
1053 }
1054
1055 static int
mcd_hard_reset(struct mcd_softc * sc)1056 mcd_hard_reset(struct mcd_softc *sc)
1057 {
1058
1059 MCD_WRITE(sc, MCD_REG_RESET, MCD_CMDRESET);
1060 sc->data.curr_mode = MCD_MD_UNKNOWN;
1061 sc->data.audio_status = CD_AS_AUDIO_INVALID;
1062 return (0);
1063 }
1064
1065 static void
mcd_soft_reset(struct mcd_softc * sc)1066 mcd_soft_reset(struct mcd_softc *sc)
1067 {
1068
1069 sc->data.flags &= (MCDINIT|MCDPROBING|MCDNEWMODEL);
1070 sc->data.curr_mode = MCD_MD_UNKNOWN;
1071 sc->data.partflags = 0;
1072 sc->data.audio_status = CD_AS_AUDIO_INVALID;
1073 }
1074
1075 static int
mcd_setmode(struct mcd_softc * sc,int mode)1076 mcd_setmode(struct mcd_softc *sc, int mode)
1077 {
1078 int retry, st;
1079
1080 if (sc->data.curr_mode == mode)
1081 return (0);
1082 if (sc->data.debug)
1083 device_printf(sc->dev, "setting mode to %d\n", mode);
1084 for(retry=0; retry<MCD_RETRYS; retry++)
1085 {
1086 sc->data.curr_mode = MCD_MD_UNKNOWN;
1087 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDSETMODE);
1088 MCD_WRITE(sc, MCD_REG_COMMAND, mode);
1089 if ((st = mcd_getstat(sc, 0)) >= 0) {
1090 sc->data.curr_mode = mode;
1091 return (0);
1092 }
1093 if (st == -2) {
1094 device_printf(sc->dev, "media changed\n");
1095 break;
1096 }
1097 }
1098
1099 return (-1);
1100 }
1101
1102 static int
mcd_toc_header(struct mcd_softc * sc,struct ioc_toc_header * th)1103 mcd_toc_header(struct mcd_softc *sc, struct ioc_toc_header *th)
1104 {
1105 int r;
1106
1107 if ((r = mcd_volinfo(sc)) != 0)
1108 return (r);
1109
1110 th->starting_track = bcd2bin(sc->data.volinfo.trk_low);
1111 th->ending_track = bcd2bin(sc->data.volinfo.trk_high);
1112 th->len = 2 * sizeof(u_char) /* start & end tracks */ +
1113 (th->ending_track + 1 - th->starting_track + 1) *
1114 sizeof(struct cd_toc_entry);
1115
1116 return (0);
1117 }
1118
1119 static int
mcd_read_toc(struct mcd_softc * sc)1120 mcd_read_toc(struct mcd_softc *sc)
1121 {
1122 struct ioc_toc_header th;
1123 struct mcd_qchninfo q;
1124 int rc, trk, idx, retry;
1125
1126 /* Only read TOC if needed */
1127 if (sc->data.flags & MCDTOC)
1128 return (0);
1129
1130 if (sc->data.debug)
1131 device_printf(sc->dev, "reading toc header\n");
1132
1133 if ((rc = mcd_toc_header(sc, &th)) != 0)
1134 return (rc);
1135
1136 if (mcd_send(sc, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
1137 return (EIO);
1138
1139 if (mcd_setmode(sc, MCD_MD_TOC) != 0)
1140 return (EIO);
1141
1142 if (sc->data.debug)
1143 device_printf(sc->dev, "get_toc reading qchannel info\n");
1144
1145 for(trk=th.starting_track; trk<=th.ending_track; trk++)
1146 sc->data.toc[trk].idx_no = 0;
1147 trk = th.ending_track - th.starting_track + 1;
1148 for(retry=0; retry<600 && trk>0; retry++)
1149 {
1150 if (mcd_getqchan(sc, &q) < 0) break;
1151 idx = bcd2bin(q.idx_no);
1152 if (idx>=th.starting_track && idx<=th.ending_track && q.trk_no==0) {
1153 if (sc->data.toc[idx].idx_no == 0) {
1154 sc->data.toc[idx] = q;
1155 trk--;
1156 }
1157 }
1158 }
1159
1160 if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
1161 return (EIO);
1162
1163 if (trk != 0)
1164 return (ENXIO);
1165
1166 /* add a fake last+1 */
1167 idx = th.ending_track + 1;
1168 sc->data.toc[idx].control = sc->data.toc[idx-1].control;
1169 sc->data.toc[idx].addr_type = sc->data.toc[idx-1].addr_type;
1170 sc->data.toc[idx].trk_no = 0;
1171 sc->data.toc[idx].idx_no = MCD_LASTPLUS1;
1172 sc->data.toc[idx].hd_pos_msf[0] = sc->data.volinfo.vol_msf[0];
1173 sc->data.toc[idx].hd_pos_msf[1] = sc->data.volinfo.vol_msf[1];
1174 sc->data.toc[idx].hd_pos_msf[2] = sc->data.volinfo.vol_msf[2];
1175
1176 if (sc->data.debug)
1177 { int i;
1178 for (i = th.starting_track; i <= idx; i++)
1179 device_printf(sc->dev, "trk %d idx %d pos %d %d %d\n",
1180 i,
1181 sc->data.toc[i].idx_no > 0x99 ? sc->data.toc[i].idx_no :
1182 bcd2bin(sc->data.toc[i].idx_no),
1183 bcd2bin(sc->data.toc[i].hd_pos_msf[0]),
1184 bcd2bin(sc->data.toc[i].hd_pos_msf[1]),
1185 bcd2bin(sc->data.toc[i].hd_pos_msf[2]));
1186 }
1187
1188 sc->data.flags |= MCDTOC;
1189
1190 return (0);
1191 }
1192
1193 #if 0
1194 static int
1195 mcd_toc_entry(struct mcd_softc *sc, struct ioc_read_toc_single_entry *te)
1196 {
1197 struct ioc_toc_header th;
1198 int rc, trk;
1199
1200 if (te->address_format != CD_MSF_FORMAT
1201 && te->address_format != CD_LBA_FORMAT)
1202 return (EINVAL);
1203
1204 /* Copy the toc header */
1205 if ((rc = mcd_toc_header(sc, &th)) != 0)
1206 return (rc);
1207
1208 /* verify starting track */
1209 trk = te->track;
1210 if (trk == 0)
1211 trk = th.starting_track;
1212 else if (trk == MCD_LASTPLUS1)
1213 trk = th.ending_track + 1;
1214 else if (trk < th.starting_track || trk > th.ending_track + 1)
1215 return (EINVAL);
1216
1217 /* Make sure we have a valid toc */
1218 if ((rc=mcd_read_toc(sc)) != 0)
1219 return (rc);
1220
1221 /* Copy the TOC data. */
1222 if (sc->data.toc[trk].idx_no == 0)
1223 return (EIO);
1224
1225 te->entry.control = sc->data.toc[trk].control;
1226 te->entry.addr_type = sc->data.toc[trk].addr_type;
1227 te->entry.track =
1228 sc->data.toc[trk].idx_no > 0x99 ? sc->data.toc[trk].idx_no :
1229 bcd2bin(sc->data.toc[trk].idx_no);
1230 switch (te->address_format) {
1231 case CD_MSF_FORMAT:
1232 te->entry.addr.msf.unused = 0;
1233 te->entry.addr.msf.minute = bcd2bin(sc->data.toc[trk].hd_pos_msf[0]);
1234 te->entry.addr.msf.second = bcd2bin(sc->data.toc[trk].hd_pos_msf[1]);
1235 te->entry.addr.msf.frame = bcd2bin(sc->data.toc[trk].hd_pos_msf[2]);
1236 break;
1237 case CD_LBA_FORMAT:
1238 te->entry.addr.lba = htonl(msf2hsg(sc->data.toc[trk].hd_pos_msf, 0));
1239 break;
1240 }
1241 return (0);
1242 }
1243 #endif
1244
1245 static int
mcd_toc_entrys(struct mcd_softc * sc,struct ioc_read_toc_entry * te)1246 mcd_toc_entrys(struct mcd_softc *sc, struct ioc_read_toc_entry *te)
1247 {
1248 struct cd_toc_entry entries[MCD_MAXTOCS];
1249 struct ioc_toc_header th;
1250 int rc, n, trk, len;
1251
1252 if ( te->data_len < sizeof(entries[0])
1253 || (te->data_len % sizeof(entries[0])) != 0
1254 || (te->address_format != CD_MSF_FORMAT
1255 && te->address_format != CD_LBA_FORMAT)
1256 )
1257 return (EINVAL);
1258
1259 /* Copy the toc header */
1260 if ((rc = mcd_toc_header(sc, &th)) != 0)
1261 return (rc);
1262
1263 /* verify starting track */
1264 trk = te->starting_track;
1265 if (trk == 0)
1266 trk = th.starting_track;
1267 else if (trk == MCD_LASTPLUS1)
1268 trk = th.ending_track + 1;
1269 else if (trk < th.starting_track || trk > th.ending_track + 1)
1270 return (EINVAL);
1271
1272 len = ((th.ending_track + 1 - trk) + 1) *
1273 sizeof(entries[0]);
1274 if (te->data_len < len)
1275 len = te->data_len;
1276 if (len > sizeof(entries))
1277 return (EINVAL);
1278
1279 /* Make sure we have a valid toc */
1280 if ((rc=mcd_read_toc(sc)) != 0)
1281 return (rc);
1282
1283 /* Copy the TOC data. */
1284 for (n = 0; len > 0 && trk <= th.ending_track + 1; trk++) {
1285 if (sc->data.toc[trk].idx_no == 0)
1286 continue;
1287 entries[n].control = sc->data.toc[trk].control;
1288 entries[n].addr_type = sc->data.toc[trk].addr_type;
1289 entries[n].track =
1290 sc->data.toc[trk].idx_no > 0x99 ? sc->data.toc[trk].idx_no :
1291 bcd2bin(sc->data.toc[trk].idx_no);
1292 switch (te->address_format) {
1293 case CD_MSF_FORMAT:
1294 entries[n].addr.msf.unused = 0;
1295 entries[n].addr.msf.minute = bcd2bin(sc->data.toc[trk].hd_pos_msf[0]);
1296 entries[n].addr.msf.second = bcd2bin(sc->data.toc[trk].hd_pos_msf[1]);
1297 entries[n].addr.msf.frame = bcd2bin(sc->data.toc[trk].hd_pos_msf[2]);
1298 break;
1299 case CD_LBA_FORMAT:
1300 entries[n].addr.lba = htonl(msf2hsg(sc->data.toc[trk].hd_pos_msf, 0));
1301 break;
1302 }
1303 len -= sizeof(struct cd_toc_entry);
1304 n++;
1305 }
1306
1307 /* copy the data back */
1308 return copyout(entries, te->data, n * sizeof(struct cd_toc_entry));
1309 }
1310
1311 static int
mcd_stop(struct mcd_softc * sc)1312 mcd_stop(struct mcd_softc *sc)
1313 {
1314
1315 /* Verify current status */
1316 if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS &&
1317 sc->data.audio_status != CD_AS_PLAY_PAUSED &&
1318 sc->data.audio_status != CD_AS_PLAY_COMPLETED) {
1319 if (sc->data.debug)
1320 device_printf(sc->dev,
1321 "stop attempted when not playing, audio status %d\n",
1322 sc->data.audio_status);
1323 return (EINVAL);
1324 }
1325 if (sc->data.audio_status == CD_AS_PLAY_IN_PROGRESS)
1326 if (mcd_send(sc, MCD_CMDSTOPAUDIO, MCD_RETRYS) < 0)
1327 return (EIO);
1328 sc->data.audio_status = CD_AS_PLAY_COMPLETED;
1329 return (0);
1330 }
1331
1332 static int
mcd_getqchan(struct mcd_softc * sc,struct mcd_qchninfo * q)1333 mcd_getqchan(struct mcd_softc *sc, struct mcd_qchninfo *q)
1334 {
1335
1336 if (mcd_send(sc, MCD_CMDGETQCHN, MCD_RETRYS) < 0)
1337 return (-1);
1338 if (mcd_get(sc, (char *) q, sizeof(struct mcd_qchninfo)) < 0)
1339 return (-1);
1340 if (sc->data.debug) {
1341 device_printf(sc->dev,
1342 "getqchan control=0x%x addr_type=0x%x trk=%d ind=%d ttm=%d:%d.%d dtm=%d:%d.%d\n",
1343 q->control, q->addr_type,
1344 bcd2bin(q->trk_no),
1345 bcd2bin(q->idx_no),
1346 bcd2bin(q->trk_size_msf[0]),
1347 bcd2bin(q->trk_size_msf[1]),
1348 bcd2bin(q->trk_size_msf[2]),
1349 bcd2bin(q->hd_pos_msf[0]),
1350 bcd2bin(q->hd_pos_msf[1]),
1351 bcd2bin(q->hd_pos_msf[2]));
1352 }
1353 return (0);
1354 }
1355
1356 static int
mcd_subchan(struct mcd_softc * sc,struct ioc_read_subchannel * sch,int nocopyout)1357 mcd_subchan(struct mcd_softc *sc, struct ioc_read_subchannel *sch, int nocopyout)
1358 {
1359 struct mcd_qchninfo q;
1360 struct cd_sub_channel_info data;
1361 int lba;
1362
1363 if (sc->data.debug)
1364 device_printf(sc->dev, "subchan af=%d, df=%d\n",
1365 sch->address_format,
1366 sch->data_format);
1367
1368 if (sch->address_format != CD_MSF_FORMAT &&
1369 sch->address_format != CD_LBA_FORMAT)
1370 return (EINVAL);
1371
1372 if (sch->data_format != CD_CURRENT_POSITION &&
1373 sch->data_format != CD_MEDIA_CATALOG)
1374 return (EINVAL);
1375
1376 if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
1377 return (EIO);
1378
1379 if (mcd_getqchan(sc, &q) < 0)
1380 return (EIO);
1381
1382 data.header.audio_status = sc->data.audio_status;
1383 data.what.position.data_format = sch->data_format;
1384
1385 switch (sch->data_format) {
1386 case CD_MEDIA_CATALOG:
1387 data.what.media_catalog.mc_valid = 1;
1388 data.what.media_catalog.mc_number[0] = '\0';
1389 break;
1390
1391 case CD_CURRENT_POSITION:
1392 data.what.position.control = q.control;
1393 data.what.position.addr_type = q.addr_type;
1394 data.what.position.track_number = bcd2bin(q.trk_no);
1395 data.what.position.index_number = bcd2bin(q.idx_no);
1396 switch (sch->address_format) {
1397 case CD_MSF_FORMAT:
1398 data.what.position.reladdr.msf.unused = 0;
1399 data.what.position.reladdr.msf.minute = bcd2bin(q.trk_size_msf[0]);
1400 data.what.position.reladdr.msf.second = bcd2bin(q.trk_size_msf[1]);
1401 data.what.position.reladdr.msf.frame = bcd2bin(q.trk_size_msf[2]);
1402 data.what.position.absaddr.msf.unused = 0;
1403 data.what.position.absaddr.msf.minute = bcd2bin(q.hd_pos_msf[0]);
1404 data.what.position.absaddr.msf.second = bcd2bin(q.hd_pos_msf[1]);
1405 data.what.position.absaddr.msf.frame = bcd2bin(q.hd_pos_msf[2]);
1406 break;
1407 case CD_LBA_FORMAT:
1408 lba = msf2hsg(q.trk_size_msf, 1);
1409 /*
1410 * Pre-gap has index number of 0, and decreasing MSF
1411 * address. Must be converted to negative LBA, per
1412 * SCSI spec.
1413 */
1414 if (data.what.position.index_number == 0)
1415 lba = -lba;
1416 data.what.position.reladdr.lba = htonl(lba);
1417 data.what.position.absaddr.lba = htonl(msf2hsg(q.hd_pos_msf, 0));
1418 break;
1419 }
1420 break;
1421 }
1422
1423 if (nocopyout == 0)
1424 return copyout(&data, sch->data, min(sizeof(struct cd_sub_channel_info), sch->data_len));
1425 bcopy(&data, sch->data, min(sizeof(struct cd_sub_channel_info), sch->data_len));
1426 return (0);
1427 }
1428
1429 static int
mcd_playmsf(struct mcd_softc * sc,struct ioc_play_msf * p)1430 mcd_playmsf(struct mcd_softc *sc, struct ioc_play_msf *p)
1431 {
1432 struct mcd_read2 pb;
1433
1434 if (sc->data.debug)
1435 device_printf(sc->dev, "playmsf: from %d:%d.%d to %d:%d.%d\n",
1436 p->start_m, p->start_s, p->start_f,
1437 p->end_m, p->end_s, p->end_f);
1438
1439 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >=
1440 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) ||
1441 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f) >
1442 M_msf(sc->data.volinfo.vol_msf) * 60 * 75 +
1443 S_msf(sc->data.volinfo.vol_msf) * 75 +
1444 F_msf(sc->data.volinfo.vol_msf))
1445 return (EINVAL);
1446
1447 pb.start_msf[0] = bin2bcd(p->start_m);
1448 pb.start_msf[1] = bin2bcd(p->start_s);
1449 pb.start_msf[2] = bin2bcd(p->start_f);
1450 pb.end_msf[0] = bin2bcd(p->end_m);
1451 pb.end_msf[1] = bin2bcd(p->end_s);
1452 pb.end_msf[2] = bin2bcd(p->end_f);
1453
1454 if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
1455 return (EIO);
1456
1457 return mcd_play(sc, &pb);
1458 }
1459
1460 static int
mcd_playtracks(struct mcd_softc * sc,struct ioc_play_track * pt)1461 mcd_playtracks(struct mcd_softc *sc, struct ioc_play_track *pt)
1462 {
1463 struct mcd_read2 pb;
1464 int a = pt->start_track;
1465 int z = pt->end_track;
1466 int rc, i;
1467
1468 if ((rc = mcd_read_toc(sc)) != 0)
1469 return (rc);
1470
1471 if (sc->data.debug)
1472 device_printf(sc->dev, "playtracks from %d:%d to %d:%d\n",
1473 a, pt->start_index, z, pt->end_index);
1474
1475 if ( a < bcd2bin(sc->data.volinfo.trk_low)
1476 || a > bcd2bin(sc->data.volinfo.trk_high)
1477 || a > z
1478 || z < bcd2bin(sc->data.volinfo.trk_low)
1479 || z > bcd2bin(sc->data.volinfo.trk_high))
1480 return (EINVAL);
1481
1482 for (i = 0; i < 3; i++) {
1483 pb.start_msf[i] = sc->data.toc[a].hd_pos_msf[i];
1484 pb.end_msf[i] = sc->data.toc[z+1].hd_pos_msf[i];
1485 }
1486
1487 if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
1488 return (EIO);
1489
1490 return mcd_play(sc, &pb);
1491 }
1492
1493 static int
mcd_playblocks(struct mcd_softc * sc,struct ioc_play_blocks * p)1494 mcd_playblocks(struct mcd_softc *sc, struct ioc_play_blocks *p)
1495 {
1496 struct mcd_read2 pb;
1497
1498 if (sc->data.debug)
1499 device_printf(sc->dev, "playblocks: blkno %d length %d\n",
1500 p->blk, p->len);
1501
1502 if (p->blk > sc->data.disksize || p->len > sc->data.disksize ||
1503 p->blk < 0 || p->len < 0 ||
1504 (p->blk + p->len) > sc->data.disksize)
1505 return (EINVAL);
1506
1507 hsg2msf(p->blk, pb.start_msf);
1508 hsg2msf(p->blk + p->len, pb.end_msf);
1509
1510 if (mcd_setmode(sc, MCD_MD_COOKED) != 0)
1511 return (EIO);
1512
1513 return mcd_play(sc, &pb);
1514 }
1515
1516 static int
mcd_play(struct mcd_softc * sc,struct mcd_read2 * pb)1517 mcd_play(struct mcd_softc *sc, struct mcd_read2 *pb)
1518 {
1519 int retry, st = -1, status;
1520
1521 sc->data.lastpb = *pb;
1522 for(retry=0; retry<MCD_RETRYS; retry++) {
1523
1524 critical_enter();
1525 MCD_WRITE(sc, MCD_REG_COMMAND, MCD_CMDSINGLESPEEDREAD);
1526 MCD_WRITE(sc, MCD_REG_COMMAND, pb->start_msf[0]);
1527 MCD_WRITE(sc, MCD_REG_COMMAND, pb->start_msf[1]);
1528 MCD_WRITE(sc, MCD_REG_COMMAND, pb->start_msf[2]);
1529 MCD_WRITE(sc, MCD_REG_COMMAND, pb->end_msf[0]);
1530 MCD_WRITE(sc, MCD_REG_COMMAND, pb->end_msf[1]);
1531 MCD_WRITE(sc, MCD_REG_COMMAND, pb->end_msf[2]);
1532 critical_exit();
1533
1534 status=mcd_getstat(sc, 0);
1535 if (status == -1)
1536 continue;
1537 else if (status != -2)
1538 st = 0;
1539 break;
1540 }
1541
1542 if (status == -2) {
1543 device_printf(sc->dev, "media changed\n");
1544 return (ENXIO);
1545 }
1546 if (sc->data.debug)
1547 device_printf(sc->dev,
1548 "mcd_play retry=%d, status=0x%02x\n", retry, status);
1549 if (st < 0)
1550 return (ENXIO);
1551 sc->data.audio_status = CD_AS_PLAY_IN_PROGRESS;
1552 return (0);
1553 }
1554
1555 static int
mcd_pause(struct mcd_softc * sc)1556 mcd_pause(struct mcd_softc *sc)
1557 {
1558 struct mcd_qchninfo q;
1559 int rc;
1560
1561 /* Verify current status */
1562 if (sc->data.audio_status != CD_AS_PLAY_IN_PROGRESS &&
1563 sc->data.audio_status != CD_AS_PLAY_PAUSED) {
1564 if (sc->data.debug)
1565 device_printf(sc->dev,
1566 "pause attempted when not playing, audio status %d\n",
1567 sc->data.audio_status);
1568 return (EINVAL);
1569 }
1570
1571 /* Get the current position */
1572 if (mcd_getqchan(sc, &q) < 0)
1573 return (EIO);
1574
1575 /* Copy it into lastpb */
1576 sc->data.lastpb.start_msf[0] = q.hd_pos_msf[0];
1577 sc->data.lastpb.start_msf[1] = q.hd_pos_msf[1];
1578 sc->data.lastpb.start_msf[2] = q.hd_pos_msf[2];
1579
1580 /* Stop playing */
1581 if ((rc=mcd_stop(sc)) != 0)
1582 return (rc);
1583
1584 /* Set the proper status and exit */
1585 sc->data.audio_status = CD_AS_PLAY_PAUSED;
1586 return (0);
1587 }
1588
1589 static int
mcd_resume(struct mcd_softc * sc)1590 mcd_resume(struct mcd_softc *sc)
1591 {
1592
1593 if (sc->data.audio_status != CD_AS_PLAY_PAUSED)
1594 return (EINVAL);
1595 return mcd_play(sc, &sc->data.lastpb);
1596 }
1597