mcd.c revision 1.97.2.2 1 /* $NetBSD: mcd.c,v 1.97.2.2 2007/07/01 21:48:01 ad Exp $ */
2
3 /*
4 * Copyright (c) 1993, 1994, 1995 Charles M. Hannum. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Charles M. Hannum.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * Copyright 1993 by Holger Veit (data part)
21 * Copyright 1993 by Brian Moore (audio part)
22 * All rights reserved.
23 *
24 * Redistribution and use in source and binary forms, with or without
25 * modification, are permitted provided that the following conditions
26 * are met:
27 * 1. Redistributions of source code must retain the above copyright
28 * notice, this list of conditions and the following disclaimer.
29 * 2. Redistributions in binary form must reproduce the above copyright
30 * notice, this list of conditions and the following disclaimer in the
31 * documentation and/or other materials provided with the distribution.
32 * 3. All advertising materials mentioning features or use of this software
33 * must display the following acknowledgement:
34 * This software was developed by Holger Veit and Brian Moore
35 * for use with "386BSD" and similar operating systems.
36 * "Similar operating systems" includes mainly non-profit oriented
37 * systems for research and education, including but not restricted to
38 * "NetBSD", "FreeBSD", "Mach" (by CMU).
39 * 4. Neither the name of the developer(s) nor the name "386BSD"
40 * may be used to endorse or promote products derived from this
41 * software without specific prior written permission.
42 *
43 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER(S) ``AS IS'' AND ANY
44 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
46 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER(S) BE
47 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
48 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
49 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
50 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
51 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
52 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
53 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
54 */
55
56 /*static char COPYRIGHT[] = "mcd-driver (C)1993 by H.Veit & B.Moore";*/
57
58 #include <sys/cdefs.h>
59 __KERNEL_RCSID(0, "$NetBSD: mcd.c,v 1.97.2.2 2007/07/01 21:48:01 ad Exp $");
60
61 #include <sys/param.h>
62 #include <sys/systm.h>
63 #include <sys/callout.h>
64 #include <sys/kernel.h>
65 #include <sys/proc.h>
66 #include <sys/conf.h>
67 #include <sys/file.h>
68 #include <sys/buf.h>
69 #include <sys/bufq.h>
70 #include <sys/stat.h>
71 #include <sys/uio.h>
72 #include <sys/ioctl.h>
73 #include <sys/cdio.h>
74 #include <sys/errno.h>
75 #include <sys/disklabel.h>
76 #include <sys/device.h>
77 #include <sys/disk.h>
78
79 #include <machine/cpu.h>
80 #include <machine/intr.h>
81 #include <machine/bus.h>
82
83 #include <dev/isa/isavar.h>
84 #include <dev/isa/mcdreg.h>
85
86 #ifndef MCDDEBUG
87 #define MCD_TRACE(fmt,...)
88 #else
89 #define MCD_TRACE(fmt,...) {if (sc->debug) {printf("%s: st=%02x: ", sc->sc_dev.dv_xname, sc->status); printf(fmt,__VA_ARGS__);}}
90 #endif
91
92 #define MCDPART(dev) DISKPART(dev)
93 #define MCDUNIT(dev) DISKUNIT(dev)
94
95 /* toc */
96 #define MCD_MAXTOCS 104 /* from the Linux driver */
97
98 /* control promiscuous match */
99 #include "opt_mcd_promisc.h"
100
101 #ifdef MCD_PROMISC
102 int mcd_promisc = 1;
103 #else
104 int mcd_promisc = 0;
105 #endif
106
107 struct mcd_mbx {
108 int retry, count;
109 struct buf *bp;
110 daddr_t blkno;
111 int nblk;
112 int sz;
113 u_long skip;
114 int state;
115 #define MCD_S_IDLE 0
116 #define MCD_S_BEGIN 1
117 #define MCD_S_WAITMODE 2
118 #define MCD_S_WAITREAD 3
119 int mode;
120 };
121
122 struct mcd_softc {
123 struct device sc_dev;
124 struct disk sc_dk;
125 struct lock sc_lock;
126 void *sc_ih;
127
128 callout_t sc_pintr_ch;
129
130 bus_space_tag_t sc_iot;
131 bus_space_handle_t sc_ioh;
132
133 int irq, drq;
134
135 const char *type;
136 int flags;
137 #define MCDF_WLABEL 0x04 /* label is writable */
138 #define MCDF_LABELLING 0x08 /* writing label */
139 #define MCDF_LOADED 0x10 /* parameters loaded */
140 short status;
141 short audio_status;
142 int blksize;
143 u_long disksize;
144 struct mcd_volinfo volinfo;
145 union mcd_qchninfo toc[MCD_MAXTOCS];
146 struct mcd_command lastpb;
147 struct mcd_mbx mbx;
148 int lastmode;
149 #define MCD_MD_UNKNOWN -1
150 int lastupc;
151 #define MCD_UPC_UNKNOWN -1
152 struct bufq_state *buf_queue;
153 int active;
154 u_char readcmd;
155 u_char debug;
156 u_char probe;
157 };
158
159 static int bcd2bin(bcd_t);
160 static bcd_t bin2bcd(int);
161 static void hsg2msf(int, bcd_t *);
162 static daddr_t msf2hsg(bcd_t *, int);
163
164 int mcd_playtracks(struct mcd_softc *, struct ioc_play_track *);
165 int mcd_playmsf(struct mcd_softc *, struct ioc_play_msf *);
166 int mcd_playblocks(struct mcd_softc *, struct ioc_play_blocks *);
167 int mcd_stop(struct mcd_softc *);
168 int mcd_eject(struct mcd_softc *);
169 int mcd_read_subchannel(struct mcd_softc *, struct ioc_read_subchannel *);
170 int mcd_pause(struct mcd_softc *);
171 int mcd_resume(struct mcd_softc *);
172 int mcd_toc_header(struct mcd_softc *, struct ioc_toc_header *);
173 int mcd_toc_entries(struct mcd_softc *, struct ioc_read_toc_entry *);
174
175 int mcd_getreply(struct mcd_softc *);
176 int mcd_getstat(struct mcd_softc *);
177 int mcd_getresult(struct mcd_softc *, struct mcd_result *);
178 void mcd_setflags(struct mcd_softc *);
179 int mcd_get(struct mcd_softc *, char *, int);
180 int mcd_send(struct mcd_softc *, struct mcd_mbox *, int);
181 int mcdintr(void *);
182 void mcd_soft_reset(struct mcd_softc *);
183 int mcd_hard_reset(struct mcd_softc *);
184 int mcd_setmode(struct mcd_softc *, int);
185 int mcd_setupc(struct mcd_softc *, int);
186 int mcd_read_toc(struct mcd_softc *);
187 int mcd_getqchan(struct mcd_softc *, union mcd_qchninfo *, int);
188 int mcd_setlock(struct mcd_softc *, int);
189
190 int mcd_find(bus_space_tag_t, bus_space_handle_t, struct mcd_softc *);
191 int mcdprobe(struct device *, struct cfdata *, void *);
192 void mcdattach(struct device *, struct device *, void *);
193
194 CFATTACH_DECL(mcd, sizeof(struct mcd_softc),
195 mcdprobe, mcdattach, NULL, NULL);
196
197 extern struct cfdriver mcd_cd;
198
199 dev_type_open(mcdopen);
200 dev_type_close(mcdclose);
201 dev_type_read(mcdread);
202 dev_type_write(mcdwrite);
203 dev_type_ioctl(mcdioctl);
204 dev_type_strategy(mcdstrategy);
205 dev_type_dump(mcddump);
206 dev_type_size(mcdsize);
207
208 const struct bdevsw mcd_bdevsw = {
209 mcdopen, mcdclose, mcdstrategy, mcdioctl, mcddump, mcdsize, D_DISK
210 };
211
212 const struct cdevsw mcd_cdevsw = {
213 mcdopen, mcdclose, mcdread, mcdwrite, mcdioctl,
214 nostop, notty, nopoll, nommap, nokqfilter, D_DISK
215 };
216
217 void mcdgetdefaultlabel(struct mcd_softc *, struct disklabel *);
218 void mcdgetdisklabel(struct mcd_softc *);
219 int mcd_get_parms(struct mcd_softc *);
220 void mcdstart(struct mcd_softc *);
221 void mcd_pseudointr(void *);
222
223 struct dkdriver mcddkdriver = { mcdstrategy, NULL, };
224
225 #define MCD_RETRIES 3
226 #define MCD_RDRETRIES 3
227
228 /* several delays */
229 #define RDELAY_WAITMODE 300
230 #define RDELAY_WAITREAD 800
231
232 #define DELAY_GRANULARITY 25 /* 25us */
233 #define DELAY_GETREPLY 100000 /* 100000 * 25us */
234
235 void
236 mcdattach(struct device *parent, struct device *self, void *aux)
237 {
238 struct mcd_softc *sc = (void *)self;
239 struct isa_attach_args *ia = aux;
240 bus_space_tag_t iot = ia->ia_iot;
241 bus_space_handle_t ioh;
242 struct mcd_mbox mbx;
243
244 /* Map i/o space */
245 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) {
246 printf(": can't map i/o space\n");
247 return;
248 }
249
250 lockinit(&sc->sc_lock, PRIBIO | PCATCH, "mcdlock", 0, 0);
251
252 sc->sc_iot = iot;
253 sc->sc_ioh = ioh;
254
255 sc->probe = 0;
256 sc->debug = 0;
257
258 if (!mcd_find(iot, ioh, sc)) {
259 printf(": mcd_find failed\n");
260 return;
261 }
262
263 bufq_alloc(&sc->buf_queue, "disksort", BUFQ_SORT_RAWBLOCK);
264 callout_init(&sc->sc_pintr_ch, 0);
265
266 /*
267 * Initialize and attach the disk structure.
268 */
269 sc->sc_dk.dk_driver = &mcddkdriver;
270 sc->sc_dk.dk_name = sc->sc_dev.dv_xname;
271 disk_attach(&sc->sc_dk);
272
273 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown");
274
275 (void) mcd_setlock(sc, MCD_LK_UNLOCK);
276
277 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE;
278 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1;
279 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE;
280 mbx.cmd.data.config.data1 = 0x01;
281 mbx.res.length = 0;
282 (void) mcd_send(sc, &mbx, 0);
283
284 mcd_soft_reset(sc);
285
286 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq,
287 IST_EDGE, IPL_BIO, mcdintr, sc);
288 }
289
290 int
291 mcdopen(dev_t dev, int flag, int fmt, struct lwp *l)
292 {
293 int error, part;
294 struct mcd_softc *sc;
295
296 sc = device_lookup(&mcd_cd, MCDUNIT(dev));
297 if (sc == NULL)
298 return ENXIO;
299
300 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0)
301 return error;
302
303 if (sc->sc_dk.dk_openmask != 0) {
304 /*
305 * If any partition is open, but the disk has been invalidated,
306 * disallow further opens.
307 */
308 if ((sc->flags & MCDF_LOADED) == 0) {
309 error = EIO;
310 goto bad3;
311 }
312 } else {
313 /*
314 * Lock the drawer. This will also notice any pending disk
315 * change or door open indicator and clear the MCDF_LOADED bit
316 * if necessary.
317 */
318 (void) mcd_setlock(sc, MCD_LK_LOCK);
319
320 if ((sc->flags & MCDF_LOADED) == 0) {
321 /* Partially reset the state. */
322 sc->lastmode = MCD_MD_UNKNOWN;
323 sc->lastupc = MCD_UPC_UNKNOWN;
324
325 sc->flags |= MCDF_LOADED;
326
327 /* Set the mode, causing the disk to spin up. */
328 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
329 goto bad2;
330
331 /* Load the physical device parameters. */
332 if (mcd_get_parms(sc) != 0) {
333 error = ENXIO;
334 goto bad2;
335 }
336
337 /* Read the table of contents. */
338 if ((error = mcd_read_toc(sc)) != 0)
339 goto bad2;
340
341 /* Fabricate a disk label. */
342 mcdgetdisklabel(sc);
343 }
344 }
345
346 part = MCDPART(dev);
347
348 MCD_TRACE("open: partition=%d disksize=%ld blksize=%d\n", part,
349 sc->disksize, sc->blksize);
350
351 /* Check that the partition exists. */
352 if (part != RAW_PART &&
353 (part >= sc->sc_dk.dk_label->d_npartitions ||
354 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) {
355 error = ENXIO;
356 goto bad;
357 }
358
359 /* Insure only one open at a time. */
360 switch (fmt) {
361 case S_IFCHR:
362 sc->sc_dk.dk_copenmask |= (1 << part);
363 break;
364 case S_IFBLK:
365 sc->sc_dk.dk_bopenmask |= (1 << part);
366 break;
367 }
368 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask;
369
370 lockmgr(&sc->sc_lock, LK_RELEASE, NULL);
371 return 0;
372
373 bad2:
374 sc->flags &= ~MCDF_LOADED;
375
376 bad:
377 if (sc->sc_dk.dk_openmask == 0) {
378 #if 0
379 (void) mcd_setmode(sc, MCD_MD_SLEEP);
380 #endif
381 (void) mcd_setlock(sc, MCD_LK_UNLOCK);
382 }
383
384 bad3:
385 lockmgr(&sc->sc_lock, LK_RELEASE, NULL);
386 return error;
387 }
388
389 int
390 mcdclose(dev_t dev, int flag, int fmt, struct lwp *l)
391 {
392 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev));
393 int part = MCDPART(dev);
394 int error;
395
396 MCD_TRACE("close: partition=%d\n", part);
397
398 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0)
399 return error;
400
401 switch (fmt) {
402 case S_IFCHR:
403 sc->sc_dk.dk_copenmask &= ~(1 << part);
404 break;
405 case S_IFBLK:
406 sc->sc_dk.dk_bopenmask &= ~(1 << part);
407 break;
408 }
409 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask;
410
411 if (sc->sc_dk.dk_openmask == 0) {
412 /* XXXX Must wait for I/O to complete! */
413
414 #if 0
415 (void) mcd_setmode(sc, MCD_MD_SLEEP);
416 #endif
417 (void) mcd_setlock(sc, MCD_LK_UNLOCK);
418 }
419
420 lockmgr(&sc->sc_lock, LK_RELEASE, NULL);
421 return 0;
422 }
423
424 void
425 mcdstrategy(bp)
426 struct buf *bp;
427 {
428 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(bp->b_dev));
429 struct disklabel *lp = sc->sc_dk.dk_label;
430 daddr_t blkno;
431 int s, error = 0;
432
433 /* Test validity. */
434 MCD_TRACE("strategy: buf=0x%p blkno=%d bcount=%d\n", bp,
435 (int) bp->b_blkno, bp->b_bcount);
436 if (bp->b_blkno < 0 ||
437 (bp->b_bcount % sc->blksize) != 0) {
438 printf("%s: strategy: blkno = %" PRId64 " bcount = %d\n",
439 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount);
440 error = EINVAL;
441 goto done;
442 }
443
444 /* If device invalidated (e.g. media change, door open), error. */
445 if ((sc->flags & MCDF_LOADED) == 0) {
446 MCD_TRACE("strategy: drive not valid%s", "\n");
447 error = EIO;
448 goto done;
449 }
450
451 /* No data to read. */
452 if (bp->b_bcount == 0)
453 goto done;
454
455 /*
456 * Do bounds checking, adjust transfer. if error, process.
457 * If end of partition, just return.
458 */
459 if (MCDPART(bp->b_dev) != RAW_PART &&
460 bounds_check_with_label(&sc->sc_dk, bp,
461 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0)
462 goto done;
463
464 /*
465 * Now convert the block number to absolute and put it in
466 * terms of the device's logical block size.
467 */
468 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE);
469 if (MCDPART(bp->b_dev) != RAW_PART)
470 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset;
471
472 bp->b_rawblkno = blkno;
473
474 /* Queue it. */
475 s = splbio();
476 BUFQ_PUT(sc->buf_queue, bp);
477 splx(s);
478 if (!sc->active)
479 mcdstart(sc);
480 return;
481
482 done:
483 bp->b_resid = bp->b_bcount;
484 biodone(bp, error, bp->b_bcount);
485 }
486
487 void
488 mcdstart(sc)
489 struct mcd_softc *sc;
490 {
491 struct buf *bp;
492 int s;
493
494 loop:
495 s = splbio();
496
497 if ((bp = BUFQ_GET(sc->buf_queue)) == NULL) {
498 /* Nothing to do. */
499 sc->active = 0;
500 splx(s);
501 return;
502 }
503
504 /* Block found to process. */
505 MCD_TRACE("start: found block bp=0x%p\n", bp);
506 splx(s);
507
508 /* Changed media? */
509 if ((sc->flags & MCDF_LOADED) == 0) {
510 MCD_TRACE("start: drive not valid%s", "\n");
511 biodone(bp, EIO, 0);
512 goto loop;
513 }
514
515 sc->active = 1;
516
517 /* Instrumentation. */
518 s = splbio();
519 disk_busy(&sc->sc_dk);
520 splx(s);
521
522 sc->mbx.retry = MCD_RDRETRIES;
523 sc->mbx.bp = bp;
524 sc->mbx.blkno = bp->b_rawblkno;
525 sc->mbx.nblk = bp->b_bcount / sc->blksize;
526 sc->mbx.sz = sc->blksize;
527 sc->mbx.skip = 0;
528 sc->mbx.state = MCD_S_BEGIN;
529 sc->mbx.mode = MCD_MD_COOKED;
530
531 s = splbio();
532 (void) mcdintr(sc);
533 splx(s);
534 }
535
536 int
537 mcdread(dev_t dev, struct uio *uio, int flags)
538 {
539
540 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio));
541 }
542
543 int
544 mcdwrite(dev_t dev, struct uio *uio, int flags)
545 {
546
547 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio));
548 }
549
550 int
551 mcdioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l)
552 {
553 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev));
554 int error;
555 int part;
556 #ifdef __HAVE_OLD_DISKLABEL
557 struct disklabel newlabel;
558 #endif
559
560 MCD_TRACE("ioctl: cmd=0x%lx\n", cmd);
561
562 if ((sc->flags & MCDF_LOADED) == 0)
563 return EIO;
564
565 part = MCDPART(dev);
566 switch (cmd) {
567 case DIOCGDINFO:
568 *(struct disklabel *)addr = *(sc->sc_dk.dk_label);
569 return 0;
570 #ifdef __HAVE_OLD_DISKLABEL
571 case ODIOCGDINFO:
572 newlabel = *(sc->sc_dk.dk_label);
573 if (newlabel.d_npartitions > OLDMAXPARTITIONS)
574 return ENOTTY;
575 memcpy(addr, &newlabel, sizeof (struct olddisklabel));
576 return 0;
577 #endif
578
579 case DIOCGPART:
580 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label;
581 ((struct partinfo *)addr)->part =
582 &sc->sc_dk.dk_label->d_partitions[part];
583 return 0;
584
585 case DIOCWDINFO:
586 case DIOCSDINFO:
587 #ifdef __HAVE_OLD_DISKLABEL
588 case ODIOCWDINFO:
589 case ODIOCSDINFO:
590 #endif
591 {
592 struct disklabel *lp;
593
594 if ((flag & FWRITE) == 0)
595 return EBADF;
596
597 #ifdef __HAVE_OLD_DISKLABEL
598 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) {
599 memset(&newlabel, 0, sizeof newlabel);
600 memcpy(&newlabel, addr, sizeof (struct olddisklabel));
601 lp = &newlabel;
602 } else
603 #endif
604 lp = (struct disklabel *)addr;
605
606 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0)
607 return error;
608 sc->flags |= MCDF_LABELLING;
609
610 error = setdisklabel(sc->sc_dk.dk_label,
611 lp, /*sc->sc_dk.dk_openmask : */0,
612 sc->sc_dk.dk_cpulabel);
613 if (error == 0) {
614 }
615
616 sc->flags &= ~MCDF_LABELLING;
617 lockmgr(&sc->sc_lock, LK_RELEASE, NULL);
618 return error;
619 }
620
621 case DIOCWLABEL:
622 return EBADF;
623
624 case DIOCGDEFLABEL:
625 mcdgetdefaultlabel(sc, (struct disklabel *)addr);
626 return 0;
627
628 #ifdef __HAVE_OLD_DISKLABEL
629 case ODIOCGDEFLABEL:
630 mcdgetdefaultlabel(sc, &newlabel);
631 if (newlabel.d_npartitions > OLDMAXPARTITIONS)
632 return ENOTTY;
633 memcpy(addr, &newlabel, sizeof (struct olddisklabel));
634 return 0;
635 #endif
636
637 case CDIOCPLAYTRACKS:
638 return mcd_playtracks(sc, (struct ioc_play_track *)addr);
639 case CDIOCPLAYMSF:
640 return mcd_playmsf(sc, (struct ioc_play_msf *)addr);
641 case CDIOCPLAYBLOCKS:
642 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr);
643 case CDIOCREADSUBCHANNEL:
644 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr);
645 case CDIOREADTOCHEADER:
646 return mcd_toc_header(sc, (struct ioc_toc_header *)addr);
647 case CDIOREADTOCENTRYS:
648 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr);
649 case CDIOCSETPATCH:
650 case CDIOCGETVOL:
651 case CDIOCSETVOL:
652 case CDIOCSETMONO:
653 case CDIOCSETSTEREO:
654 case CDIOCSETMUTE:
655 case CDIOCSETLEFT:
656 case CDIOCSETRIGHT:
657 return EINVAL;
658 case CDIOCRESUME:
659 return mcd_resume(sc);
660 case CDIOCPAUSE:
661 return mcd_pause(sc);
662 case CDIOCSTART:
663 return EINVAL;
664 case CDIOCSTOP:
665 return mcd_stop(sc);
666 case DIOCEJECT:
667 if (*(int *)addr == 0) {
668 /*
669 * Don't force eject: check that we are the only
670 * partition open. If so, unlock it.
671 */
672 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 &&
673 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask ==
674 sc->sc_dk.dk_openmask) {
675 error = mcd_setlock(sc, MCD_LK_UNLOCK);
676 if (error)
677 return (error);
678 } else {
679 return (EBUSY);
680 }
681 }
682 /* FALLTHROUGH */
683 case CDIOCEJECT: /* FALLTHROUGH */
684 case ODIOCEJECT:
685 return mcd_eject(sc);
686 case CDIOCALLOW:
687 return mcd_setlock(sc, MCD_LK_UNLOCK);
688 case CDIOCPREVENT:
689 return mcd_setlock(sc, MCD_LK_LOCK);
690 case DIOCLOCK:
691 return mcd_setlock(sc,
692 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK);
693 case CDIOCSETDEBUG:
694 sc->debug = 1;
695 return 0;
696 case CDIOCCLRDEBUG:
697 sc->debug = 0;
698 return 0;
699 case CDIOCRESET:
700 return mcd_hard_reset(sc);
701
702 default:
703 return ENOTTY;
704 }
705
706 #ifdef DIAGNOSTIC
707 panic("mcdioctl: impossible");
708 #endif
709 }
710
711 void
712 mcdgetdefaultlabel(sc, lp)
713 struct mcd_softc *sc;
714 struct disklabel *lp;
715 {
716
717 memset(lp, 0, sizeof(struct disklabel));
718
719 lp->d_secsize = sc->blksize;
720 lp->d_ntracks = 1;
721 lp->d_nsectors = 100;
722 lp->d_ncylinders = (sc->disksize / 100) + 1;
723 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors;
724
725 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16);
726 lp->d_type = 0; /* XXX */
727 strncpy(lp->d_packname, "fictitious", 16);
728 lp->d_secperunit = sc->disksize;
729 lp->d_rpm = 300;
730 lp->d_interleave = 1;
731 lp->d_flags = D_REMOVABLE;
732
733 lp->d_partitions[0].p_offset = 0;
734 lp->d_partitions[0].p_size =
735 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE);
736 lp->d_partitions[0].p_fstype = FS_ISO9660;
737 lp->d_partitions[RAW_PART].p_offset = 0;
738 lp->d_partitions[RAW_PART].p_size =
739 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE);
740 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660;
741 lp->d_npartitions = RAW_PART + 1;
742
743 lp->d_magic = DISKMAGIC;
744 lp->d_magic2 = DISKMAGIC;
745 lp->d_checksum = dkcksum(lp);
746 }
747
748 /*
749 * This could have been taken from scsi/cd.c, but it is not clear
750 * whether the scsi cd driver is linked in.
751 */
752 void
753 mcdgetdisklabel(sc)
754 struct mcd_softc *sc;
755 {
756 struct disklabel *lp = sc->sc_dk.dk_label;
757
758 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel));
759
760 mcdgetdefaultlabel(sc, lp);
761 }
762
763 int
764 mcd_get_parms(sc)
765 struct mcd_softc *sc;
766 {
767 struct mcd_mbox mbx;
768 daddr_t size;
769 int error;
770
771 /* Send volume info command. */
772 mbx.cmd.opcode = MCD_CMDGETVOLINFO;
773 mbx.cmd.length = 0;
774 mbx.res.length = sizeof(mbx.res.data.volinfo);
775 if ((error = mcd_send(sc, &mbx, 1)) != 0)
776 return error;
777
778 if (mbx.res.data.volinfo.trk_low == 0x00 &&
779 mbx.res.data.volinfo.trk_high == 0x00)
780 return EINVAL;
781
782 /* Volinfo is OK. */
783 sc->volinfo = mbx.res.data.volinfo;
784 sc->blksize = MCD_BLKSIZE_COOKED;
785 size = msf2hsg(sc->volinfo.vol_msf, 0);
786 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE);
787 return 0;
788 }
789
790 int
791 mcdsize(dev_t dev)
792 {
793
794 /* CD-ROMs are read-only. */
795 return -1;
796 }
797
798 int
799 mcddump(dev_t dev, daddr_t blkno, void *va,
800 size_t size)
801 {
802
803 /* Not implemented. */
804 return ENXIO;
805 }
806
807 /*
808 * Find the board and fill in the softc.
809 */
810 int
811 mcd_find(iot, ioh, sc)
812 bus_space_tag_t iot;
813 bus_space_handle_t ioh;
814 struct mcd_softc *sc;
815 {
816 int i;
817 struct mcd_mbox mbx;
818
819 sc->sc_iot = iot;
820 sc->sc_ioh = ioh;
821
822 /* Send a reset. */
823 bus_space_write_1(iot, ioh, MCD_RESET, 0);
824 delay(1000000);
825 /* Get any pending status and throw away. */
826 for (i = 10; i; i--)
827 bus_space_read_1(iot, ioh, MCD_STATUS);
828 delay(1000);
829
830 /* Send get status command. */
831 mbx.cmd.opcode = MCD_CMDGETSTAT;
832 mbx.cmd.length = 0;
833 mbx.res.length = 0;
834 if (mcd_send(sc, &mbx, 0) != 0)
835 return 0;
836
837 /* Get info about the drive. */
838 mbx.cmd.opcode = MCD_CMDCONTINFO;
839 mbx.cmd.length = 0;
840 mbx.res.length = sizeof(mbx.res.data.continfo);
841 if (mcd_send(sc, &mbx, 0) != 0)
842 return 0;
843
844 /*
845 * The following is code which is not guaranteed to work for all
846 * drives, because the meaning of the expected 'M' is not clear
847 * (M_itsumi is an obvious assumption, but I don't trust that).
848 * Also, the original hack had a bogus condition that always
849 * returned true.
850 *
851 * Note: Which models support interrupts? >=LU005S?
852 */
853 sc->readcmd = MCD_CMDREADSINGLESPEED;
854 switch (mbx.res.data.continfo.code) {
855 case 'M':
856 if (mbx.res.data.continfo.version <= 2)
857 sc->type = "LU002S";
858 else if (mbx.res.data.continfo.version <= 5)
859 sc->type = "LU005S";
860 else
861 sc->type = "LU006S";
862 break;
863 case 'F':
864 sc->type = "FX001";
865 break;
866 case 'D':
867 sc->type = "FX001D";
868 sc->readcmd = MCD_CMDREADDOUBLESPEED;
869 break;
870 default:
871 /*
872 * mcd_send() says the response looked OK but the
873 * drive type is unknown. If mcd_promisc, match anyway.
874 */
875 if (mcd_promisc != 0)
876 return 0;
877
878 #ifdef MCDDEBUG
879 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n",
880 sc->sc_dev.dv_xname,
881 mbx.res.data.continfo.code, mbx.res.data.continfo.version);
882 #endif
883 sc->type = 0;
884 break;
885 }
886
887 return 1;
888
889 }
890
891 int
892 mcdprobe(struct device *parent, struct cfdata *match,
893 void *aux)
894 {
895 struct isa_attach_args *ia = aux;
896 struct mcd_softc sc;
897 bus_space_tag_t iot = ia->ia_iot;
898 bus_space_handle_t ioh;
899 int rv;
900
901 if (ia->ia_nio < 1)
902 return (0);
903 if (ia->ia_nirq < 1)
904 return (0);
905
906 if (ISA_DIRECT_CONFIG(ia))
907 return (0);
908
909 /* Disallow wildcarded i/o address. */
910 if (ia->ia_io[0].ir_addr == ISA_UNKNOWN_PORT)
911 return (0);
912 if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ)
913 return (0);
914
915 /* Map i/o space */
916 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh))
917 return 0;
918
919 sc.debug = 0;
920 sc.probe = 1;
921
922 rv = mcd_find(iot, ioh, &sc);
923
924 bus_space_unmap(iot, ioh, MCD_NPORT);
925
926 if (rv) {
927 ia->ia_nio = 1;
928 ia->ia_io[0].ir_size = MCD_NPORT;
929
930 ia->ia_nirq = 1;
931
932 ia->ia_niomem = 0;
933 ia->ia_ndrq = 0;
934 }
935
936 return (rv);
937 }
938
939 int
940 mcd_getreply(sc)
941 struct mcd_softc *sc;
942 {
943 bus_space_tag_t iot = sc->sc_iot;
944 bus_space_handle_t ioh = sc->sc_ioh;
945 int i;
946
947 /* Wait until xfer port senses data ready. */
948 for (i = DELAY_GETREPLY; i; i--) {
949 if ((bus_space_read_1(iot, ioh, MCD_XFER) &
950 MCD_XF_STATUSUNAVAIL) == 0)
951 break;
952 delay(DELAY_GRANULARITY);
953 }
954 if (!i)
955 return -1;
956
957 /* Get the data. */
958 return bus_space_read_1(iot, ioh, MCD_STATUS);
959 }
960
961 int
962 mcd_getstat(sc)
963 struct mcd_softc *sc;
964 {
965 struct mcd_mbox mbx;
966
967 mbx.cmd.opcode = MCD_CMDGETSTAT;
968 mbx.cmd.length = 0;
969 mbx.res.length = 0;
970 return mcd_send(sc, &mbx, 1);
971 }
972
973 int
974 mcd_getresult(sc, res)
975 struct mcd_softc *sc;
976 struct mcd_result *res;
977 {
978 int i, x;
979
980 if (sc->debug)
981 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname,
982 res->length);
983
984 if ((x = mcd_getreply(sc)) < 0) {
985 if (sc->debug)
986 printf(" timeout\n");
987 else if (!sc->probe)
988 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname);
989 return EIO;
990 }
991 if (sc->debug)
992 printf(" %02x", (u_int)x);
993 sc->status = x;
994 mcd_setflags(sc);
995
996 if ((sc->status & MCD_ST_CMDCHECK) != 0)
997 return EINVAL;
998
999 for (i = 0; i < res->length; i++) {
1000 if ((x = mcd_getreply(sc)) < 0) {
1001 if (sc->debug)
1002 printf(" timeout\n");
1003 else
1004 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname);
1005 return EIO;
1006 }
1007 if (sc->debug)
1008 printf(" %02x", (u_int)x);
1009 res->data.raw.data[i] = x;
1010 }
1011
1012 if (sc->debug)
1013 printf(" succeeded\n");
1014
1015 #ifdef MCDDEBUG
1016 delay(10);
1017 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) &
1018 MCD_XF_STATUSUNAVAIL) == 0) {
1019 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS);
1020 printf("%s: got extra byte %02x during getstatus\n",
1021 sc->sc_dev.dv_xname, (u_int)x);
1022 delay(10);
1023 }
1024 #endif
1025
1026 return 0;
1027 }
1028
1029 void
1030 mcd_setflags(sc)
1031 struct mcd_softc *sc;
1032 {
1033
1034 /* Check flags. */
1035 if ((sc->flags & MCDF_LOADED) != 0 &&
1036 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) !=
1037 MCD_ST_DSKIN) {
1038 if ((sc->status & MCD_ST_DOOROPEN) != 0)
1039 printf("%s: door open\n", sc->sc_dev.dv_xname);
1040 else if ((sc->status & MCD_ST_DSKIN) == 0)
1041 printf("%s: no disk present\n", sc->sc_dev.dv_xname);
1042 else if ((sc->status & MCD_ST_DSKCHNG) != 0)
1043 printf("%s: media change\n", sc->sc_dev.dv_xname);
1044 sc->flags &= ~MCDF_LOADED;
1045 }
1046
1047 if ((sc->status & MCD_ST_AUDIOBSY) != 0)
1048 sc->audio_status = CD_AS_PLAY_IN_PROGRESS;
1049 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS ||
1050 sc->audio_status == CD_AS_AUDIO_INVALID)
1051 sc->audio_status = CD_AS_PLAY_COMPLETED;
1052 }
1053
1054 int
1055 mcd_send(sc, mbx, diskin)
1056 struct mcd_softc *sc;
1057 struct mcd_mbox *mbx;
1058 int diskin;
1059 {
1060 int retry, i, error;
1061 bus_space_tag_t iot = sc->sc_iot;
1062 bus_space_handle_t ioh = sc->sc_ioh;
1063
1064 if (sc->debug) {
1065 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname,
1066 mbx->cmd.length, (u_int)mbx->cmd.opcode);
1067 for (i = 0; i < mbx->cmd.length; i++)
1068 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]);
1069 printf("\n");
1070 }
1071
1072 for (retry = MCD_RETRIES; retry; retry--) {
1073 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode);
1074 for (i = 0; i < mbx->cmd.length; i++)
1075 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]);
1076 if ((error = mcd_getresult(sc, &mbx->res)) == 0)
1077 break;
1078 if (error == EINVAL)
1079 return error;
1080 }
1081 if (!retry)
1082 return error;
1083 if (diskin && (sc->flags & MCDF_LOADED) == 0)
1084 return EIO;
1085
1086 return 0;
1087 }
1088
1089 static int
1090 bcd2bin(b)
1091 bcd_t b;
1092 {
1093
1094 return (b >> 4) * 10 + (b & 15);
1095 }
1096
1097 static bcd_t
1098 bin2bcd(b)
1099 int b;
1100 {
1101
1102 return ((b / 10) << 4) | (b % 10);
1103 }
1104
1105 static void
1106 hsg2msf(hsg, msf)
1107 int hsg;
1108 bcd_t *msf;
1109 {
1110
1111 hsg += 150;
1112 F_msf(msf) = bin2bcd(hsg % 75);
1113 hsg /= 75;
1114 S_msf(msf) = bin2bcd(hsg % 60);
1115 hsg /= 60;
1116 M_msf(msf) = bin2bcd(hsg);
1117 }
1118
1119 static daddr_t
1120 msf2hsg(msf, relative)
1121 bcd_t *msf;
1122 int relative;
1123 {
1124 daddr_t blkno;
1125
1126 blkno = bcd2bin(M_msf(msf)) * 75 * 60 +
1127 bcd2bin(S_msf(msf)) * 75 +
1128 bcd2bin(F_msf(msf));
1129 if (!relative)
1130 blkno -= 150;
1131 return blkno;
1132 }
1133
1134 void
1135 mcd_pseudointr(v)
1136 void *v;
1137 {
1138 struct mcd_softc *sc = v;
1139 int s;
1140
1141 s = splbio();
1142 (void) mcdintr(sc);
1143 splx(s);
1144 }
1145
1146 /*
1147 * State machine to process read requests.
1148 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode
1149 * MCD_S_WAITMODE: waits for status reply from set mode, set read command
1150 * MCD_S_WAITREAD: wait for read ready, read data.
1151 */
1152 int
1153 mcdintr(arg)
1154 void *arg;
1155 {
1156 struct mcd_softc *sc = arg;
1157 struct mcd_mbx *mbx = &sc->mbx;
1158 struct buf *bp = mbx->bp;
1159 bus_space_tag_t iot = sc->sc_iot;
1160 bus_space_handle_t ioh = sc->sc_ioh;
1161
1162 int i;
1163 u_char x;
1164 bcd_t msf[3];
1165
1166 switch (mbx->state) {
1167 case MCD_S_IDLE:
1168 return 0;
1169
1170 case MCD_S_BEGIN:
1171 tryagain:
1172 if (mbx->mode == sc->lastmode)
1173 goto firstblock;
1174
1175 sc->lastmode = MCD_MD_UNKNOWN;
1176 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE);
1177 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode);
1178
1179 mbx->count = RDELAY_WAITMODE;
1180 mbx->state = MCD_S_WAITMODE;
1181
1182 case MCD_S_WAITMODE:
1183 callout_stop(&sc->sc_pintr_ch);
1184 for (i = 20; i; i--) {
1185 x = bus_space_read_1(iot, ioh, MCD_XFER);
1186 if ((x & MCD_XF_STATUSUNAVAIL) == 0)
1187 break;
1188 delay(50);
1189 }
1190 if (i == 0)
1191 goto hold;
1192 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS);
1193 mcd_setflags(sc);
1194 if ((sc->flags & MCDF_LOADED) == 0)
1195 goto changed;
1196 MCD_TRACE("doread: got WAITMODE delay=%d\n",
1197 RDELAY_WAITMODE - mbx->count);
1198
1199 sc->lastmode = mbx->mode;
1200
1201 firstblock:
1202 MCD_TRACE("doread: read blkno=%d for bp=0x%p\n",
1203 (int) mbx->blkno, bp);
1204
1205 /* Build parameter block. */
1206 hsg2msf(mbx->blkno, msf);
1207
1208 /* Send the read command. */
1209 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd);
1210 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]);
1211 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]);
1212 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]);
1213 bus_space_write_1(iot, ioh, MCD_COMMAND, 0);
1214 bus_space_write_1(iot, ioh, MCD_COMMAND, 0);
1215 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk);
1216
1217 mbx->count = RDELAY_WAITREAD;
1218 mbx->state = MCD_S_WAITREAD;
1219
1220 case MCD_S_WAITREAD:
1221 callout_stop(&sc->sc_pintr_ch);
1222 nextblock:
1223 loop:
1224 for (i = 20; i; i--) {
1225 x = bus_space_read_1(iot, ioh, MCD_XFER);
1226 if ((x & MCD_XF_DATAUNAVAIL) == 0)
1227 goto gotblock;
1228 if ((x & MCD_XF_STATUSUNAVAIL) == 0)
1229 break;
1230 delay(50);
1231 }
1232 if (i == 0)
1233 goto hold;
1234 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS);
1235 mcd_setflags(sc);
1236 if ((sc->flags & MCDF_LOADED) == 0)
1237 goto changed;
1238 #if 0
1239 printf("%s: got status byte %02x during read\n",
1240 sc->sc_dev.dv_xname, (u_int)sc->status);
1241 #endif
1242 goto loop;
1243
1244 gotblock:
1245 MCD_TRACE("doread: got data delay=%d\n",
1246 RDELAY_WAITREAD - mbx->count);
1247
1248 /* Data is ready. */
1249 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */
1250 bus_space_read_multi_1(iot, ioh, MCD_RDATA,
1251 (char *)bp->b_data + mbx->skip, mbx->sz);
1252 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */
1253 mbx->blkno += 1;
1254 mbx->skip += mbx->sz;
1255 if (--mbx->nblk > 0)
1256 goto nextblock;
1257
1258 mbx->state = MCD_S_IDLE;
1259
1260 /* Return buffer. */
1261 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ));
1262 biodone(bp, 0, 0);
1263
1264 mcdstart(sc);
1265 return 1;
1266
1267 hold:
1268 if (mbx->count-- < 0) {
1269 printf("%s: timeout in state %d",
1270 sc->sc_dev.dv_xname, mbx->state);
1271 goto readerr;
1272 }
1273
1274 #if 0
1275 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname,
1276 mbx->state);
1277 #endif
1278 callout_reset(&sc->sc_pintr_ch, hz / 100,
1279 mcd_pseudointr, sc);
1280 return -1;
1281 }
1282
1283 readerr:
1284 if (mbx->retry-- > 0) {
1285 printf("; retrying\n");
1286 goto tryagain;
1287 } else
1288 printf("; giving up\n");
1289
1290 changed:
1291 /* Invalidate the buffer. */
1292 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid),
1293 (bp->b_flags & B_READ));
1294 biodone(bp, EIO, bp->b_bcount - mbx->skip);
1295
1296 mcdstart(sc);
1297 return -1;
1298
1299 #ifdef notyet
1300 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname);
1301 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET);
1302 delay(300000);
1303 (void) mcd_getstat(sc, 1);
1304 (void) mcd_getstat(sc, 1);
1305 /*sc->status &= ~MCD_ST_DSKCHNG; */
1306 sc->debug = 1; /* preventive set debug mode */
1307 #endif
1308 }
1309
1310 void
1311 mcd_soft_reset(sc)
1312 struct mcd_softc *sc;
1313 {
1314
1315 sc->debug = 0;
1316 sc->flags = 0;
1317 sc->lastmode = MCD_MD_UNKNOWN;
1318 sc->lastupc = MCD_UPC_UNKNOWN;
1319 sc->audio_status = CD_AS_AUDIO_INVALID;
1320 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */
1321 }
1322
1323 int
1324 mcd_hard_reset(sc)
1325 struct mcd_softc *sc;
1326 {
1327 struct mcd_mbox mbx;
1328
1329 mcd_soft_reset(sc);
1330
1331 mbx.cmd.opcode = MCD_CMDRESET;
1332 mbx.cmd.length = 0;
1333 mbx.res.length = 0;
1334 return mcd_send(sc, &mbx, 0);
1335 }
1336
1337 int
1338 mcd_setmode(sc, mode)
1339 struct mcd_softc *sc;
1340 int mode;
1341 {
1342 struct mcd_mbox mbx;
1343 int error;
1344
1345 if (sc->lastmode == mode)
1346 return 0;
1347 if (sc->debug)
1348 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode);
1349 sc->lastmode = MCD_MD_UNKNOWN;
1350
1351 mbx.cmd.opcode = MCD_CMDSETMODE;
1352 mbx.cmd.length = sizeof(mbx.cmd.data.datamode);
1353 mbx.cmd.data.datamode.mode = mode;
1354 mbx.res.length = 0;
1355 if ((error = mcd_send(sc, &mbx, 1)) != 0)
1356 return error;
1357
1358 sc->lastmode = mode;
1359 return 0;
1360 }
1361
1362 int
1363 mcd_setupc(sc, upc)
1364 struct mcd_softc *sc;
1365 int upc;
1366 {
1367 struct mcd_mbox mbx;
1368 int error;
1369
1370 if (sc->lastupc == upc)
1371 return 0;
1372 if (sc->debug)
1373 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc);
1374 sc->lastupc = MCD_UPC_UNKNOWN;
1375
1376 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE;
1377 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1;
1378 mbx.cmd.data.config.subcommand = MCD_CF_READUPC;
1379 mbx.cmd.data.config.data1 = upc;
1380 mbx.res.length = 0;
1381 if ((error = mcd_send(sc, &mbx, 1)) != 0)
1382 return error;
1383
1384 sc->lastupc = upc;
1385 return 0;
1386 }
1387
1388 int
1389 mcd_toc_header(sc, th)
1390 struct mcd_softc *sc;
1391 struct ioc_toc_header *th;
1392 {
1393
1394 if (sc->debug)
1395 printf("%s: mcd_toc_header: reading toc header\n",
1396 sc->sc_dev.dv_xname);
1397
1398 th->len = msf2hsg(sc->volinfo.vol_msf, 0);
1399 th->starting_track = bcd2bin(sc->volinfo.trk_low);
1400 th->ending_track = bcd2bin(sc->volinfo.trk_high);
1401
1402 return 0;
1403 }
1404
1405 int
1406 mcd_read_toc(sc)
1407 struct mcd_softc *sc;
1408 {
1409 struct ioc_toc_header th;
1410 union mcd_qchninfo q;
1411 int error, trk, idx, retry;
1412
1413 if ((error = mcd_toc_header(sc, &th)) != 0)
1414 return error;
1415
1416 if ((error = mcd_stop(sc)) != 0)
1417 return error;
1418
1419 if (sc->debug)
1420 printf("%s: read_toc: reading qchannel info\n",
1421 sc->sc_dev.dv_xname);
1422
1423 for (trk = th.starting_track; trk <= th.ending_track; trk++)
1424 sc->toc[trk].toc.idx_no = 0x00;
1425 trk = th.ending_track - th.starting_track + 1;
1426 for (retry = 300; retry && trk > 0; retry--) {
1427 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0)
1428 break;
1429 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00)
1430 continue;
1431 idx = bcd2bin(q.toc.idx_no);
1432 if (idx < MCD_MAXTOCS &&
1433 sc->toc[idx].toc.idx_no == 0x00) {
1434 sc->toc[idx] = q;
1435 trk--;
1436 }
1437 }
1438
1439 /* Inform the drive that we're finished so it turns off the light. */
1440 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
1441 return error;
1442
1443 if (trk != 0)
1444 return EINVAL;
1445
1446 /* Add a fake last+1 for mcd_playtracks(). */
1447 idx = th.ending_track + 1;
1448 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control;
1449 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type;
1450 sc->toc[idx].toc.trk_no = 0x00;
1451 sc->toc[idx].toc.idx_no = 0xaa;
1452 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0];
1453 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1];
1454 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2];
1455
1456 return 0;
1457 }
1458
1459 int
1460 mcd_toc_entries(sc, te)
1461 struct mcd_softc *sc;
1462 struct ioc_read_toc_entry *te;
1463 {
1464 int len = te->data_len;
1465 struct ret_toc {
1466 struct ioc_toc_header header;
1467 struct cd_toc_entry entries[MCD_MAXTOCS];
1468 } data;
1469 u_char trk;
1470 daddr_t lba;
1471 int error, n;
1472
1473 if (len > sizeof(data.entries) ||
1474 len < sizeof(struct cd_toc_entry))
1475 return EINVAL;
1476 if (te->address_format != CD_MSF_FORMAT &&
1477 te->address_format != CD_LBA_FORMAT)
1478 return EINVAL;
1479
1480 /* Copy the TOC header. */
1481 if ((error = mcd_toc_header(sc, &data.header)) != 0)
1482 return error;
1483
1484 /* Verify starting track. */
1485 trk = te->starting_track;
1486 if (trk == 0x00)
1487 trk = data.header.starting_track;
1488 else if (trk == 0xaa)
1489 trk = data.header.ending_track + 1;
1490 else if (trk < data.header.starting_track ||
1491 trk > data.header.ending_track + 1)
1492 return EINVAL;
1493
1494 /* Copy the TOC data. */
1495 for (n = 0; trk <= data.header.ending_track + 1; trk++) {
1496 if (sc->toc[trk].toc.idx_no == 0x00)
1497 continue;
1498 data.entries[n].control = sc->toc[trk].toc.control;
1499 data.entries[n].addr_type = sc->toc[trk].toc.addr_type;
1500 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no);
1501 switch (te->address_format) {
1502 case CD_MSF_FORMAT:
1503 data.entries[n].addr.addr[0] = 0;
1504 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]);
1505 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]);
1506 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]);
1507 break;
1508 case CD_LBA_FORMAT:
1509 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0);
1510 data.entries[n].addr.addr[0] = lba >> 24;
1511 data.entries[n].addr.addr[1] = lba >> 16;
1512 data.entries[n].addr.addr[2] = lba >> 8;
1513 data.entries[n].addr.addr[3] = lba;
1514 break;
1515 }
1516 n++;
1517 }
1518
1519 len = min(len, n * sizeof(struct cd_toc_entry));
1520
1521 /* Copy the data back. */
1522 return copyout(&data.entries[0], te->data, len);
1523 }
1524
1525 int
1526 mcd_stop(sc)
1527 struct mcd_softc *sc;
1528 {
1529 struct mcd_mbox mbx;
1530 int error;
1531
1532 if (sc->debug)
1533 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname);
1534
1535 mbx.cmd.opcode = MCD_CMDSTOPAUDIO;
1536 mbx.cmd.length = 0;
1537 mbx.res.length = 0;
1538 if ((error = mcd_send(sc, &mbx, 1)) != 0)
1539 return error;
1540
1541 sc->audio_status = CD_AS_PLAY_COMPLETED;
1542 return 0;
1543 }
1544
1545 int
1546 mcd_getqchan(sc, q, qchn)
1547 struct mcd_softc *sc;
1548 union mcd_qchninfo *q;
1549 int qchn;
1550 {
1551 struct mcd_mbox mbx;
1552 int error;
1553
1554 if (qchn == CD_TRACK_INFO) {
1555 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0)
1556 return error;
1557 } else {
1558 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
1559 return error;
1560 }
1561 if (qchn == CD_MEDIA_CATALOG) {
1562 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0)
1563 return error;
1564 } else {
1565 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0)
1566 return error;
1567 }
1568
1569 mbx.cmd.opcode = MCD_CMDGETQCHN;
1570 mbx.cmd.length = 0;
1571 mbx.res.length = sizeof(mbx.res.data.qchninfo);
1572 if ((error = mcd_send(sc, &mbx, 1)) != 0)
1573 return error;
1574
1575 *q = mbx.res.data.qchninfo;
1576 return 0;
1577 }
1578
1579 int
1580 mcd_read_subchannel(sc, ch)
1581 struct mcd_softc *sc;
1582 struct ioc_read_subchannel *ch;
1583 {
1584 int len = ch->data_len;
1585 union mcd_qchninfo q;
1586 struct cd_sub_channel_info data;
1587 daddr_t lba;
1588 int error;
1589
1590 if (sc->debug)
1591 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname,
1592 ch->address_format, ch->data_format);
1593
1594 if (len > sizeof(data) ||
1595 len < sizeof(struct cd_sub_channel_header))
1596 return EINVAL;
1597 if (ch->address_format != CD_MSF_FORMAT &&
1598 ch->address_format != CD_LBA_FORMAT)
1599 return EINVAL;
1600 if (ch->data_format != CD_CURRENT_POSITION &&
1601 ch->data_format != CD_MEDIA_CATALOG)
1602 return EINVAL;
1603
1604 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0)
1605 return error;
1606
1607 data.header.audio_status = sc->audio_status;
1608 data.what.media_catalog.data_format = ch->data_format;
1609
1610 switch (ch->data_format) {
1611 case CD_MEDIA_CATALOG:
1612 data.what.media_catalog.mc_valid = 1;
1613 #if 0
1614 data.what.media_catalog.mc_number =
1615 #endif
1616 break;
1617
1618 case CD_CURRENT_POSITION:
1619 data.what.position.track_number = bcd2bin(q.current.trk_no);
1620 data.what.position.index_number = bcd2bin(q.current.idx_no);
1621 switch (ch->address_format) {
1622 case CD_MSF_FORMAT:
1623 data.what.position.reladdr.addr[0] = 0;
1624 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]);
1625 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]);
1626 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]);
1627 data.what.position.absaddr.addr[0] = 0;
1628 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]);
1629 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]);
1630 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]);
1631 break;
1632 case CD_LBA_FORMAT:
1633 lba = msf2hsg(q.current.relative_pos, 1);
1634 /*
1635 * Pre-gap has index number of 0, and decreasing MSF
1636 * address. Must be converted to negative LBA, per
1637 * SCSI spec.
1638 */
1639 if (data.what.position.index_number == 0x00)
1640 lba = -lba;
1641 data.what.position.reladdr.addr[0] = lba >> 24;
1642 data.what.position.reladdr.addr[1] = lba >> 16;
1643 data.what.position.reladdr.addr[2] = lba >> 8;
1644 data.what.position.reladdr.addr[3] = lba;
1645 lba = msf2hsg(q.current.absolute_pos, 0);
1646 data.what.position.absaddr.addr[0] = lba >> 24;
1647 data.what.position.absaddr.addr[1] = lba >> 16;
1648 data.what.position.absaddr.addr[2] = lba >> 8;
1649 data.what.position.absaddr.addr[3] = lba;
1650 break;
1651 }
1652 break;
1653 }
1654
1655 return copyout(&data, ch->data, len);
1656 }
1657
1658 int
1659 mcd_playtracks(sc, p)
1660 struct mcd_softc *sc;
1661 struct ioc_play_track *p;
1662 {
1663 struct mcd_mbox mbx;
1664 int a = p->start_track;
1665 int z = p->end_track;
1666 int error;
1667
1668 if (sc->debug)
1669 printf("%s: playtracks: from %d:%d to %d:%d\n",
1670 sc->sc_dev.dv_xname,
1671 a, p->start_index, z, p->end_index);
1672
1673 if (a < bcd2bin(sc->volinfo.trk_low) ||
1674 a > bcd2bin(sc->volinfo.trk_high) ||
1675 a > z ||
1676 z < bcd2bin(sc->volinfo.trk_low) ||
1677 z > bcd2bin(sc->volinfo.trk_high))
1678 return EINVAL;
1679
1680 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
1681 return error;
1682
1683 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED;
1684 mbx.cmd.length = sizeof(mbx.cmd.data.play);
1685 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0];
1686 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1];
1687 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2];
1688 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0];
1689 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1];
1690 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2];
1691 sc->lastpb = mbx.cmd;
1692 mbx.res.length = 0;
1693 return mcd_send(sc, &mbx, 1);
1694 }
1695
1696 int
1697 mcd_playmsf(sc, p)
1698 struct mcd_softc *sc;
1699 struct ioc_play_msf *p;
1700 {
1701 struct mcd_mbox mbx;
1702 int error;
1703
1704 if (sc->debug)
1705 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n",
1706 sc->sc_dev.dv_xname,
1707 p->start_m, p->start_s, p->start_f,
1708 p->end_m, p->end_s, p->end_f);
1709
1710 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >=
1711 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f))
1712 return EINVAL;
1713
1714 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
1715 return error;
1716
1717 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED;
1718 mbx.cmd.length = sizeof(mbx.cmd.data.play);
1719 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m);
1720 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s);
1721 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f);
1722 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m);
1723 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s);
1724 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f);
1725 sc->lastpb = mbx.cmd;
1726 mbx.res.length = 0;
1727 return mcd_send(sc, &mbx, 1);
1728 }
1729
1730 int
1731 mcd_playblocks(sc, p)
1732 struct mcd_softc *sc;
1733 struct ioc_play_blocks *p;
1734 {
1735 struct mcd_mbox mbx;
1736 int error;
1737
1738 if (sc->debug)
1739 printf("%s: playblocks: blkno %d length %d\n",
1740 sc->sc_dev.dv_xname, p->blk, p->len);
1741
1742 if (p->blk > sc->disksize || p->len > sc->disksize ||
1743 (p->blk + p->len) > sc->disksize)
1744 return 0;
1745
1746 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
1747 return error;
1748
1749 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED;
1750 mbx.cmd.length = sizeof(mbx.cmd.data.play);
1751 hsg2msf(p->blk, mbx.cmd.data.play.start_msf);
1752 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf);
1753 sc->lastpb = mbx.cmd;
1754 mbx.res.length = 0;
1755 return mcd_send(sc, &mbx, 1);
1756 }
1757
1758 int
1759 mcd_pause(sc)
1760 struct mcd_softc *sc;
1761 {
1762 union mcd_qchninfo q;
1763 int error;
1764
1765 /* Verify current status. */
1766 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) {
1767 printf("%s: pause: attempted when not playing\n",
1768 sc->sc_dev.dv_xname);
1769 return EINVAL;
1770 }
1771
1772 /* Get the current position. */
1773 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0)
1774 return error;
1775
1776 /* Copy it into lastpb. */
1777 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0];
1778 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1];
1779 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2];
1780
1781 /* Stop playing. */
1782 if ((error = mcd_stop(sc)) != 0)
1783 return error;
1784
1785 /* Set the proper status and exit. */
1786 sc->audio_status = CD_AS_PLAY_PAUSED;
1787 return 0;
1788 }
1789
1790 int
1791 mcd_resume(sc)
1792 struct mcd_softc *sc;
1793 {
1794 struct mcd_mbox mbx;
1795 int error;
1796
1797 if (sc->audio_status != CD_AS_PLAY_PAUSED)
1798 return EINVAL;
1799
1800 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
1801 return error;
1802
1803 mbx.cmd = sc->lastpb;
1804 mbx.res.length = 0;
1805 return mcd_send(sc, &mbx, 1);
1806 }
1807
1808 int
1809 mcd_eject(sc)
1810 struct mcd_softc *sc;
1811 {
1812 struct mcd_mbox mbx;
1813
1814 mbx.cmd.opcode = MCD_CMDEJECTDISK;
1815 mbx.cmd.length = 0;
1816 mbx.res.length = 0;
1817 return mcd_send(sc, &mbx, 0);
1818 }
1819
1820 int
1821 mcd_setlock(sc, mode)
1822 struct mcd_softc *sc;
1823 int mode;
1824 {
1825 struct mcd_mbox mbx;
1826
1827 mbx.cmd.opcode = MCD_CMDSETLOCK;
1828 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode);
1829 mbx.cmd.data.lockmode.mode = mode;
1830 mbx.res.length = 0;
1831 return mcd_send(sc, &mbx, 1);
1832 }
1833