FreeBSD/Linux Kernel Cross Reference
sys/dev/isa/mcd.c
1 /* $NetBSD: mcd.c,v 1.85 2003/11/07 04:10:57 mycroft 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 1.85 2003/11/07 04:10:57 mycroft 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/stat.h>
70 #include <sys/uio.h>
71 #include <sys/ioctl.h>
72 #include <sys/cdio.h>
73 #include <sys/errno.h>
74 #include <sys/disklabel.h>
75 #include <sys/device.h>
76 #include <sys/disk.h>
77
78 #include <machine/cpu.h>
79 #include <machine/intr.h>
80 #include <machine/bus.h>
81
82 #include <dev/isa/isavar.h>
83 #include <dev/isa/mcdreg.h>
84
85 #ifndef MCDDEBUG
86 #define MCD_TRACE(fmt,a,b,c,d)
87 #else
88 #define MCD_TRACE(fmt,a,b,c,d) {if (sc->debug) {printf("%s: st=%02x: ", sc->sc_dev.dv_xname, sc->status); printf(fmt,a,b,c,d);}}
89 #endif
90
91 #define MCDPART(dev) DISKPART(dev)
92 #define MCDUNIT(dev) DISKUNIT(dev)
93
94 /* toc */
95 #define MCD_MAXTOCS 104 /* from the Linux driver */
96
97 /* control promiscuous match */
98 #include "opt_mcd_promisc.h"
99
100 #ifdef MCD_PROMISC
101 int mcd_promisc = 1;
102 #else
103 int mcd_promisc = 0;
104 #endif
105
106 struct mcd_mbx {
107 int retry, count;
108 struct buf *bp;
109 daddr_t blkno;
110 int nblk;
111 int sz;
112 u_long skip;
113 int state;
114 #define MCD_S_IDLE 0
115 #define MCD_S_BEGIN 1
116 #define MCD_S_WAITMODE 2
117 #define MCD_S_WAITREAD 3
118 int mode;
119 };
120
121 struct mcd_softc {
122 struct device sc_dev;
123 struct disk sc_dk;
124 struct lock sc_lock;
125 void *sc_ih;
126
127 struct callout sc_pintr_ch;
128
129 bus_space_tag_t sc_iot;
130 bus_space_handle_t sc_ioh;
131
132 int irq, drq;
133
134 char *type;
135 int flags;
136 #define MCDF_WLABEL 0x04 /* label is writable */
137 #define MCDF_LABELLING 0x08 /* writing label */
138 #define MCDF_LOADED 0x10 /* parameters loaded */
139 short status;
140 short audio_status;
141 int blksize;
142 u_long disksize;
143 struct mcd_volinfo volinfo;
144 union mcd_qchninfo toc[MCD_MAXTOCS];
145 struct mcd_command lastpb;
146 struct mcd_mbx mbx;
147 int lastmode;
148 #define MCD_MD_UNKNOWN -1
149 int lastupc;
150 #define MCD_UPC_UNKNOWN -1
151 struct bufq_state buf_queue;
152 int active;
153 u_char readcmd;
154 u_char debug;
155 u_char probe;
156 };
157
158 static int bcd2bin __P((bcd_t));
159 static bcd_t bin2bcd __P((int));
160 static void hsg2msf __P((int, bcd_t *));
161 static daddr_t msf2hsg __P((bcd_t *, int));
162
163 int mcd_playtracks __P((struct mcd_softc *, struct ioc_play_track *));
164 int mcd_playmsf __P((struct mcd_softc *, struct ioc_play_msf *));
165 int mcd_playblocks __P((struct mcd_softc *, struct ioc_play_blocks *));
166 int mcd_stop __P((struct mcd_softc *));
167 int mcd_eject __P((struct mcd_softc *));
168 int mcd_read_subchannel __P((struct mcd_softc *, struct ioc_read_subchannel *));
169 int mcd_pause __P((struct mcd_softc *));
170 int mcd_resume __P((struct mcd_softc *));
171 int mcd_toc_header __P((struct mcd_softc *, struct ioc_toc_header *));
172 int mcd_toc_entries __P((struct mcd_softc *, struct ioc_read_toc_entry *));
173
174 int mcd_getreply __P((struct mcd_softc *));
175 int mcd_getstat __P((struct mcd_softc *));
176 int mcd_getresult __P((struct mcd_softc *, struct mcd_result *));
177 void mcd_setflags __P((struct mcd_softc *));
178 int mcd_get __P((struct mcd_softc *, char *, int));
179 int mcd_send __P((struct mcd_softc *, struct mcd_mbox *, int));
180 int mcdintr __P((void *));
181 void mcd_soft_reset __P((struct mcd_softc *));
182 int mcd_hard_reset __P((struct mcd_softc *));
183 int mcd_setmode __P((struct mcd_softc *, int));
184 int mcd_setupc __P((struct mcd_softc *, int));
185 int mcd_read_toc __P((struct mcd_softc *));
186 int mcd_getqchan __P((struct mcd_softc *, union mcd_qchninfo *, int));
187 int mcd_setlock __P((struct mcd_softc *, int));
188
189 int mcd_find __P((bus_space_tag_t, bus_space_handle_t, struct mcd_softc *));
190 int mcdprobe __P((struct device *, struct cfdata *, void *));
191 void mcdattach __P((struct device *, struct device *, void *));
192
193 CFATTACH_DECL(mcd, sizeof(struct mcd_softc),
194 mcdprobe, mcdattach, NULL, NULL);
195
196 extern struct cfdriver mcd_cd;
197
198 dev_type_open(mcdopen);
199 dev_type_close(mcdclose);
200 dev_type_read(mcdread);
201 dev_type_write(mcdwrite);
202 dev_type_ioctl(mcdioctl);
203 dev_type_strategy(mcdstrategy);
204 dev_type_dump(mcddump);
205 dev_type_size(mcdsize);
206
207 const struct bdevsw mcd_bdevsw = {
208 mcdopen, mcdclose, mcdstrategy, mcdioctl, mcddump, mcdsize, D_DISK
209 };
210
211 const struct cdevsw mcd_cdevsw = {
212 mcdopen, mcdclose, mcdread, mcdwrite, mcdioctl,
213 nostop, notty, nopoll, nommap, nokqfilter, D_DISK
214 };
215
216 void mcdgetdefaultlabel __P((struct mcd_softc *, struct disklabel *));
217 void mcdgetdisklabel __P((struct mcd_softc *));
218 int mcd_get_parms __P((struct mcd_softc *));
219 void mcdstart __P((struct mcd_softc *));
220 void mcd_pseudointr __P((void *));
221
222 struct dkdriver mcddkdriver = { mcdstrategy };
223
224 #define MCD_RETRIES 3
225 #define MCD_RDRETRIES 3
226
227 /* several delays */
228 #define RDELAY_WAITMODE 300
229 #define RDELAY_WAITREAD 800
230
231 #define DELAY_GRANULARITY 25 /* 25us */
232 #define DELAY_GETREPLY 100000 /* 100000 * 25us */
233
234 void
235 mcdattach(parent, self, aux)
236 struct device *parent, *self;
237 void *aux;
238 {
239 struct mcd_softc *sc = (void *)self;
240 struct isa_attach_args *ia = aux;
241 bus_space_tag_t iot = ia->ia_iot;
242 bus_space_handle_t ioh;
243 struct mcd_mbox mbx;
244
245 /* Map i/o space */
246 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh)) {
247 printf(": can't map i/o space\n");
248 return;
249 }
250
251 lockinit(&sc->sc_lock, PRIBIO | PCATCH, "mcdlock", 0, 0);
252
253 sc->sc_iot = iot;
254 sc->sc_ioh = ioh;
255
256 sc->probe = 0;
257 sc->debug = 0;
258
259 if (!mcd_find(iot, ioh, sc)) {
260 printf(": mcd_find failed\n");
261 return;
262 }
263
264 bufq_alloc(&sc->buf_queue, BUFQ_DISKSORT|BUFQ_SORT_RAWBLOCK);
265 callout_init(&sc->sc_pintr_ch);
266
267 /*
268 * Initialize and attach the disk structure.
269 */
270 sc->sc_dk.dk_driver = &mcddkdriver;
271 sc->sc_dk.dk_name = sc->sc_dev.dv_xname;
272 disk_attach(&sc->sc_dk);
273
274 printf(": model %s\n", sc->type != 0 ? sc->type : "unknown");
275
276 (void) mcd_setlock(sc, MCD_LK_UNLOCK);
277
278 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE;
279 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1;
280 mbx.cmd.data.config.subcommand = MCD_CF_IRQENABLE;
281 mbx.cmd.data.config.data1 = 0x01;
282 mbx.res.length = 0;
283 (void) mcd_send(sc, &mbx, 0);
284
285 mcd_soft_reset(sc);
286
287 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq,
288 IST_EDGE, IPL_BIO, mcdintr, sc);
289 }
290
291 int
292 mcdopen(dev, flag, fmt, p)
293 dev_t dev;
294 int flag, fmt;
295 struct proc *p;
296 {
297 int error, part;
298 struct mcd_softc *sc;
299
300 sc = device_lookup(&mcd_cd, MCDUNIT(dev));
301 if (sc == NULL)
302 return ENXIO;
303
304 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0)
305 return error;
306
307 if (sc->sc_dk.dk_openmask != 0) {
308 /*
309 * If any partition is open, but the disk has been invalidated,
310 * disallow further opens.
311 */
312 if ((sc->flags & MCDF_LOADED) == 0) {
313 error = EIO;
314 goto bad3;
315 }
316 } else {
317 /*
318 * Lock the drawer. This will also notice any pending disk
319 * change or door open indicator and clear the MCDF_LOADED bit
320 * if necessary.
321 */
322 (void) mcd_setlock(sc, MCD_LK_LOCK);
323
324 if ((sc->flags & MCDF_LOADED) == 0) {
325 /* Partially reset the state. */
326 sc->lastmode = MCD_MD_UNKNOWN;
327 sc->lastupc = MCD_UPC_UNKNOWN;
328
329 sc->flags |= MCDF_LOADED;
330
331 /* Set the mode, causing the disk to spin up. */
332 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
333 goto bad2;
334
335 /* Load the physical device parameters. */
336 if (mcd_get_parms(sc) != 0) {
337 error = ENXIO;
338 goto bad2;
339 }
340
341 /* Read the table of contents. */
342 if ((error = mcd_read_toc(sc)) != 0)
343 goto bad2;
344
345 /* Fabricate a disk label. */
346 mcdgetdisklabel(sc);
347 }
348 }
349
350 MCD_TRACE("open: partition=%d disksize=%d blksize=%d\n", part,
351 sc->disksize, sc->blksize, 0);
352
353 part = MCDPART(dev);
354
355 /* Check that the partition exists. */
356 if (part != RAW_PART &&
357 (part >= sc->sc_dk.dk_label->d_npartitions ||
358 sc->sc_dk.dk_label->d_partitions[part].p_fstype == FS_UNUSED)) {
359 error = ENXIO;
360 goto bad;
361 }
362
363 /* Insure only one open at a time. */
364 switch (fmt) {
365 case S_IFCHR:
366 sc->sc_dk.dk_copenmask |= (1 << part);
367 break;
368 case S_IFBLK:
369 sc->sc_dk.dk_bopenmask |= (1 << part);
370 break;
371 }
372 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask;
373
374 lockmgr(&sc->sc_lock, LK_RELEASE, NULL);
375 return 0;
376
377 bad2:
378 sc->flags &= ~MCDF_LOADED;
379
380 bad:
381 if (sc->sc_dk.dk_openmask == 0) {
382 #if 0
383 (void) mcd_setmode(sc, MCD_MD_SLEEP);
384 #endif
385 (void) mcd_setlock(sc, MCD_LK_UNLOCK);
386 }
387
388 bad3:
389 lockmgr(&sc->sc_lock, LK_RELEASE, NULL);
390 return error;
391 }
392
393 int
394 mcdclose(dev, flag, fmt, p)
395 dev_t dev;
396 int flag, fmt;
397 struct proc *p;
398 {
399 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev));
400 int part = MCDPART(dev);
401 int error;
402
403 MCD_TRACE("close: partition=%d\n", part, 0, 0, 0);
404
405 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0)
406 return error;
407
408 switch (fmt) {
409 case S_IFCHR:
410 sc->sc_dk.dk_copenmask &= ~(1 << part);
411 break;
412 case S_IFBLK:
413 sc->sc_dk.dk_bopenmask &= ~(1 << part);
414 break;
415 }
416 sc->sc_dk.dk_openmask = sc->sc_dk.dk_copenmask | sc->sc_dk.dk_bopenmask;
417
418 if (sc->sc_dk.dk_openmask == 0) {
419 /* XXXX Must wait for I/O to complete! */
420
421 #if 0
422 (void) mcd_setmode(sc, MCD_MD_SLEEP);
423 #endif
424 (void) mcd_setlock(sc, MCD_LK_UNLOCK);
425 }
426
427 lockmgr(&sc->sc_lock, LK_RELEASE, NULL);
428 return 0;
429 }
430
431 void
432 mcdstrategy(bp)
433 struct buf *bp;
434 {
435 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(bp->b_dev));
436 struct disklabel *lp = sc->sc_dk.dk_label;
437 daddr_t blkno;
438 int s;
439
440 /* Test validity. */
441 MCD_TRACE("strategy: buf=0x%lx blkno=%ld bcount=%ld\n", bp,
442 bp->b_blkno, bp->b_bcount, 0);
443 if (bp->b_blkno < 0 ||
444 (bp->b_bcount % sc->blksize) != 0) {
445 printf("%s: strategy: blkno = %d bcount = %ld\n",
446 sc->sc_dev.dv_xname, bp->b_blkno, bp->b_bcount);
447 bp->b_error = EINVAL;
448 goto bad;
449 }
450
451 /* If device invalidated (e.g. media change, door open), error. */
452 if ((sc->flags & MCDF_LOADED) == 0) {
453 MCD_TRACE("strategy: drive not valid\n", 0, 0, 0, 0);
454 bp->b_error = EIO;
455 goto bad;
456 }
457
458 /* No data to read. */
459 if (bp->b_bcount == 0)
460 goto done;
461
462 /*
463 * Do bounds checking, adjust transfer. if error, process.
464 * If end of partition, just return.
465 */
466 if (MCDPART(bp->b_dev) != RAW_PART &&
467 bounds_check_with_label(&sc->sc_dk, bp,
468 (sc->flags & (MCDF_WLABEL|MCDF_LABELLING)) != 0) <= 0)
469 goto done;
470
471 /*
472 * Now convert the block number to absolute and put it in
473 * terms of the device's logical block size.
474 */
475 blkno = bp->b_blkno / (lp->d_secsize / DEV_BSIZE);
476 if (MCDPART(bp->b_dev) != RAW_PART)
477 blkno += lp->d_partitions[MCDPART(bp->b_dev)].p_offset;
478
479 bp->b_rawblkno = blkno;
480
481 /* Queue it. */
482 s = splbio();
483 BUFQ_PUT(&sc->buf_queue, bp);
484 splx(s);
485 if (!sc->active)
486 mcdstart(sc);
487 return;
488
489 bad:
490 bp->b_flags |= B_ERROR;
491 done:
492 bp->b_resid = bp->b_bcount;
493 biodone(bp);
494 }
495
496 void
497 mcdstart(sc)
498 struct mcd_softc *sc;
499 {
500 struct buf *bp;
501 int s;
502
503 loop:
504 s = splbio();
505
506 if ((bp = BUFQ_GET(&sc->buf_queue)) == NULL) {
507 /* Nothing to do. */
508 sc->active = 0;
509 splx(s);
510 return;
511 }
512
513 /* Block found to process. */
514 MCD_TRACE("start: found block bp=0x%x\n", bp, 0, 0, 0);
515 splx(s);
516
517 /* Changed media? */
518 if ((sc->flags & MCDF_LOADED) == 0) {
519 MCD_TRACE("start: drive not valid\n", 0, 0, 0, 0);
520 bp->b_error = EIO;
521 bp->b_flags |= B_ERROR;
522 biodone(bp);
523 goto loop;
524 }
525
526 sc->active = 1;
527
528 /* Instrumentation. */
529 s = splbio();
530 disk_busy(&sc->sc_dk);
531 splx(s);
532
533 sc->mbx.retry = MCD_RDRETRIES;
534 sc->mbx.bp = bp;
535 sc->mbx.blkno = bp->b_rawblkno;
536 sc->mbx.nblk = bp->b_bcount / sc->blksize;
537 sc->mbx.sz = sc->blksize;
538 sc->mbx.skip = 0;
539 sc->mbx.state = MCD_S_BEGIN;
540 sc->mbx.mode = MCD_MD_COOKED;
541
542 s = splbio();
543 (void) mcdintr(sc);
544 splx(s);
545 }
546
547 int
548 mcdread(dev, uio, flags)
549 dev_t dev;
550 struct uio *uio;
551 int flags;
552 {
553
554 return (physio(mcdstrategy, NULL, dev, B_READ, minphys, uio));
555 }
556
557 int
558 mcdwrite(dev, uio, flags)
559 dev_t dev;
560 struct uio *uio;
561 int flags;
562 {
563
564 return (physio(mcdstrategy, NULL, dev, B_WRITE, minphys, uio));
565 }
566
567 int
568 mcdioctl(dev, cmd, addr, flag, p)
569 dev_t dev;
570 u_long cmd;
571 caddr_t addr;
572 int flag;
573 struct proc *p;
574 {
575 struct mcd_softc *sc = device_lookup(&mcd_cd, MCDUNIT(dev));
576 int error;
577 int part;
578 #ifdef __HAVE_OLD_DISKLABEL
579 struct disklabel newlabel;
580 #endif
581
582 MCD_TRACE("ioctl: cmd=0x%x\n", cmd, 0, 0, 0);
583
584 if ((sc->flags & MCDF_LOADED) == 0)
585 return EIO;
586
587 part = MCDPART(dev);
588 switch (cmd) {
589 case DIOCGDINFO:
590 *(struct disklabel *)addr = *(sc->sc_dk.dk_label);
591 return 0;
592 #ifdef __HAVE_OLD_DISKLABEL
593 case ODIOCGDINFO:
594 newlabel = *(sc->sc_dk.dk_label);
595 if (newlabel.d_npartitions > OLDMAXPARTITIONS)
596 return ENOTTY;
597 memcpy(addr, &newlabel, sizeof (struct olddisklabel));
598 return 0;
599 #endif
600
601 case DIOCGPART:
602 ((struct partinfo *)addr)->disklab = sc->sc_dk.dk_label;
603 ((struct partinfo *)addr)->part =
604 &sc->sc_dk.dk_label->d_partitions[part];
605 return 0;
606
607 case DIOCWDINFO:
608 case DIOCSDINFO:
609 #ifdef __HAVE_OLD_DISKLABEL
610 case ODIOCWDINFO:
611 case ODIOCSDINFO:
612 #endif
613 {
614 struct disklabel *lp;
615
616 if ((flag & FWRITE) == 0)
617 return EBADF;
618
619 #ifdef __HAVE_OLD_DISKLABEL
620 if (cmd == ODIOCSDINFO || cmd == ODIOCWDINFO) {
621 memset(&newlabel, 0, sizeof newlabel);
622 memcpy(&newlabel, addr, sizeof (struct olddisklabel));
623 lp = &newlabel;
624 } else
625 #endif
626 lp = (struct disklabel *)addr;
627
628 if ((error = lockmgr(&sc->sc_lock, LK_EXCLUSIVE, NULL)) != 0)
629 return error;
630 sc->flags |= MCDF_LABELLING;
631
632 error = setdisklabel(sc->sc_dk.dk_label,
633 lp, /*sc->sc_dk.dk_openmask : */0,
634 sc->sc_dk.dk_cpulabel);
635 if (error == 0) {
636 }
637
638 sc->flags &= ~MCDF_LABELLING;
639 lockmgr(&sc->sc_lock, LK_RELEASE, NULL);
640 return error;
641 }
642
643 case DIOCWLABEL:
644 return EBADF;
645
646 case DIOCGDEFLABEL:
647 mcdgetdefaultlabel(sc, (struct disklabel *)addr);
648 return 0;
649
650 #ifdef __HAVE_OLD_DISKLABEL
651 case ODIOCGDEFLABEL:
652 mcdgetdefaultlabel(sc, &newlabel);
653 if (newlabel.d_npartitions > OLDMAXPARTITIONS)
654 return ENOTTY;
655 memcpy(addr, &newlabel, sizeof (struct olddisklabel));
656 return 0;
657 #endif
658
659 case CDIOCPLAYTRACKS:
660 return mcd_playtracks(sc, (struct ioc_play_track *)addr);
661 case CDIOCPLAYMSF:
662 return mcd_playmsf(sc, (struct ioc_play_msf *)addr);
663 case CDIOCPLAYBLOCKS:
664 return mcd_playblocks(sc, (struct ioc_play_blocks *)addr);
665 case CDIOCREADSUBCHANNEL:
666 return mcd_read_subchannel(sc, (struct ioc_read_subchannel *)addr);
667 case CDIOREADTOCHEADER:
668 return mcd_toc_header(sc, (struct ioc_toc_header *)addr);
669 case CDIOREADTOCENTRYS:
670 return mcd_toc_entries(sc, (struct ioc_read_toc_entry *)addr);
671 case CDIOCSETPATCH:
672 case CDIOCGETVOL:
673 case CDIOCSETVOL:
674 case CDIOCSETMONO:
675 case CDIOCSETSTEREO:
676 case CDIOCSETMUTE:
677 case CDIOCSETLEFT:
678 case CDIOCSETRIGHT:
679 return EINVAL;
680 case CDIOCRESUME:
681 return mcd_resume(sc);
682 case CDIOCPAUSE:
683 return mcd_pause(sc);
684 case CDIOCSTART:
685 return EINVAL;
686 case CDIOCSTOP:
687 return mcd_stop(sc);
688 case DIOCEJECT:
689 if (*(int *)addr == 0) {
690 /*
691 * Don't force eject: check that we are the only
692 * partition open. If so, unlock it.
693 */
694 if ((sc->sc_dk.dk_openmask & ~(1 << part)) == 0 &&
695 sc->sc_dk.dk_bopenmask + sc->sc_dk.dk_copenmask ==
696 sc->sc_dk.dk_openmask) {
697 error = mcd_setlock(sc, MCD_LK_UNLOCK);
698 if (error)
699 return (error);
700 } else {
701 return (EBUSY);
702 }
703 }
704 /* FALLTHROUGH */
705 case CDIOCEJECT: /* FALLTHROUGH */
706 case ODIOCEJECT:
707 return mcd_eject(sc);
708 case CDIOCALLOW:
709 return mcd_setlock(sc, MCD_LK_UNLOCK);
710 case CDIOCPREVENT:
711 return mcd_setlock(sc, MCD_LK_LOCK);
712 case DIOCLOCK:
713 return mcd_setlock(sc,
714 (*(int *)addr) ? MCD_LK_LOCK : MCD_LK_UNLOCK);
715 case CDIOCSETDEBUG:
716 sc->debug = 1;
717 return 0;
718 case CDIOCCLRDEBUG:
719 sc->debug = 0;
720 return 0;
721 case CDIOCRESET:
722 return mcd_hard_reset(sc);
723
724 default:
725 return ENOTTY;
726 }
727
728 #ifdef DIAGNOSTIC
729 panic("mcdioctl: impossible");
730 #endif
731 }
732
733 void
734 mcdgetdefaultlabel(sc, lp)
735 struct mcd_softc *sc;
736 struct disklabel *lp;
737 {
738
739 memset(lp, 0, sizeof(struct disklabel));
740
741 lp->d_secsize = sc->blksize;
742 lp->d_ntracks = 1;
743 lp->d_nsectors = 100;
744 lp->d_ncylinders = (sc->disksize / 100) + 1;
745 lp->d_secpercyl = lp->d_ntracks * lp->d_nsectors;
746
747 strncpy(lp->d_typename, "Mitsumi CD-ROM", 16);
748 lp->d_type = 0; /* XXX */
749 strncpy(lp->d_packname, "fictitious", 16);
750 lp->d_secperunit = sc->disksize;
751 lp->d_rpm = 300;
752 lp->d_interleave = 1;
753 lp->d_flags = D_REMOVABLE;
754
755 lp->d_partitions[0].p_offset = 0;
756 lp->d_partitions[0].p_size =
757 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE);
758 lp->d_partitions[0].p_fstype = FS_ISO9660;
759 lp->d_partitions[RAW_PART].p_offset = 0;
760 lp->d_partitions[RAW_PART].p_size =
761 lp->d_secperunit * (lp->d_secsize / DEV_BSIZE);
762 lp->d_partitions[RAW_PART].p_fstype = FS_ISO9660;
763 lp->d_npartitions = RAW_PART + 1;
764
765 lp->d_magic = DISKMAGIC;
766 lp->d_magic2 = DISKMAGIC;
767 lp->d_checksum = dkcksum(lp);
768 }
769
770 /*
771 * This could have been taken from scsi/cd.c, but it is not clear
772 * whether the scsi cd driver is linked in.
773 */
774 void
775 mcdgetdisklabel(sc)
776 struct mcd_softc *sc;
777 {
778 struct disklabel *lp = sc->sc_dk.dk_label;
779
780 memset(sc->sc_dk.dk_cpulabel, 0, sizeof(struct cpu_disklabel));
781
782 mcdgetdefaultlabel(sc, lp);
783 }
784
785 int
786 mcd_get_parms(sc)
787 struct mcd_softc *sc;
788 {
789 struct mcd_mbox mbx;
790 daddr_t size;
791 int error;
792
793 /* Send volume info command. */
794 mbx.cmd.opcode = MCD_CMDGETVOLINFO;
795 mbx.cmd.length = 0;
796 mbx.res.length = sizeof(mbx.res.data.volinfo);
797 if ((error = mcd_send(sc, &mbx, 1)) != 0)
798 return error;
799
800 if (mbx.res.data.volinfo.trk_low == 0x00 &&
801 mbx.res.data.volinfo.trk_high == 0x00)
802 return EINVAL;
803
804 /* Volinfo is OK. */
805 sc->volinfo = mbx.res.data.volinfo;
806 sc->blksize = MCD_BLKSIZE_COOKED;
807 size = msf2hsg(sc->volinfo.vol_msf, 0);
808 sc->disksize = size * (MCD_BLKSIZE_COOKED / DEV_BSIZE);
809 return 0;
810 }
811
812 int
813 mcdsize(dev)
814 dev_t dev;
815 {
816
817 /* CD-ROMs are read-only. */
818 return -1;
819 }
820
821 int
822 mcddump(dev, blkno, va, size)
823 dev_t dev;
824 daddr_t blkno;
825 caddr_t va;
826 size_t size;
827 {
828
829 /* Not implemented. */
830 return ENXIO;
831 }
832
833 /*
834 * Find the board and fill in the softc.
835 */
836 int
837 mcd_find(iot, ioh, sc)
838 bus_space_tag_t iot;
839 bus_space_handle_t ioh;
840 struct mcd_softc *sc;
841 {
842 int i;
843 struct mcd_mbox mbx;
844
845 sc->sc_iot = iot;
846 sc->sc_ioh = ioh;
847
848 /* Send a reset. */
849 bus_space_write_1(iot, ioh, MCD_RESET, 0);
850 delay(1000000);
851 /* Get any pending status and throw away. */
852 for (i = 10; i; i--)
853 bus_space_read_1(iot, ioh, MCD_STATUS);
854 delay(1000);
855
856 /* Send get status command. */
857 mbx.cmd.opcode = MCD_CMDGETSTAT;
858 mbx.cmd.length = 0;
859 mbx.res.length = 0;
860 if (mcd_send(sc, &mbx, 0) != 0)
861 return 0;
862
863 /* Get info about the drive. */
864 mbx.cmd.opcode = MCD_CMDCONTINFO;
865 mbx.cmd.length = 0;
866 mbx.res.length = sizeof(mbx.res.data.continfo);
867 if (mcd_send(sc, &mbx, 0) != 0)
868 return 0;
869
870 /*
871 * The following is code which is not guaranteed to work for all
872 * drives, because the meaning of the expected 'M' is not clear
873 * (M_itsumi is an obvious assumption, but I don't trust that).
874 * Also, the original hack had a bogus condition that always
875 * returned true.
876 *
877 * Note: Which models support interrupts? >=LU005S?
878 */
879 sc->readcmd = MCD_CMDREADSINGLESPEED;
880 switch (mbx.res.data.continfo.code) {
881 case 'M':
882 if (mbx.res.data.continfo.version <= 2)
883 sc->type = "LU002S";
884 else if (mbx.res.data.continfo.version <= 5)
885 sc->type = "LU005S";
886 else
887 sc->type = "LU006S";
888 break;
889 case 'F':
890 sc->type = "FX001";
891 break;
892 case 'D':
893 sc->type = "FX001D";
894 sc->readcmd = MCD_CMDREADDOUBLESPEED;
895 break;
896 default:
897 /*
898 * mcd_send() says the response looked OK but the
899 * drive type is unknown. If mcd_promisc, match anyway.
900 */
901 if (mcd_promisc != 0)
902 return 0;
903
904 #ifdef MCDDEBUG
905 printf("%s: unrecognized drive version %c%02x; will try to use it anyway\n",
906 sc->sc_dev.dv_xname,
907 mbx.res.data.continfo.code, mbx.res.data.continfo.version);
908 #endif
909 sc->type = 0;
910 break;
911 }
912
913 return 1;
914
915 }
916
917 int
918 mcdprobe(parent, match, aux)
919 struct device *parent;
920 struct cfdata *match;
921 void *aux;
922 {
923 struct isa_attach_args *ia = aux;
924 struct mcd_softc sc;
925 bus_space_tag_t iot = ia->ia_iot;
926 bus_space_handle_t ioh;
927 int rv;
928
929 if (ia->ia_nio < 1)
930 return (0);
931 if (ia->ia_nirq < 1)
932 return (0);
933
934 if (ISA_DIRECT_CONFIG(ia))
935 return (0);
936
937 /* Disallow wildcarded i/o address. */
938 if (ia->ia_io[0].ir_addr == ISACF_PORT_DEFAULT)
939 return (0);
940 if (ia->ia_irq[0].ir_irq == ISACF_IRQ_DEFAULT)
941 return (0);
942
943 /* Map i/o space */
944 if (bus_space_map(iot, ia->ia_io[0].ir_addr, MCD_NPORT, 0, &ioh))
945 return 0;
946
947 sc.debug = 0;
948 sc.probe = 1;
949
950 rv = mcd_find(iot, ioh, &sc);
951
952 bus_space_unmap(iot, ioh, MCD_NPORT);
953
954 if (rv) {
955 ia->ia_nio = 1;
956 ia->ia_io[0].ir_addr = MCD_NPORT;
957
958 ia->ia_nirq = 1;
959
960 ia->ia_niomem = 0;
961 ia->ia_ndrq = 0;
962 }
963
964 return (rv);
965 }
966
967 int
968 mcd_getreply(sc)
969 struct mcd_softc *sc;
970 {
971 bus_space_tag_t iot = sc->sc_iot;
972 bus_space_handle_t ioh = sc->sc_ioh;
973 int i;
974
975 /* Wait until xfer port senses data ready. */
976 for (i = DELAY_GETREPLY; i; i--) {
977 if ((bus_space_read_1(iot, ioh, MCD_XFER) &
978 MCD_XF_STATUSUNAVAIL) == 0)
979 break;
980 delay(DELAY_GRANULARITY);
981 }
982 if (!i)
983 return -1;
984
985 /* Get the data. */
986 return bus_space_read_1(iot, ioh, MCD_STATUS);
987 }
988
989 int
990 mcd_getstat(sc)
991 struct mcd_softc *sc;
992 {
993 struct mcd_mbox mbx;
994
995 mbx.cmd.opcode = MCD_CMDGETSTAT;
996 mbx.cmd.length = 0;
997 mbx.res.length = 0;
998 return mcd_send(sc, &mbx, 1);
999 }
1000
1001 int
1002 mcd_getresult(sc, res)
1003 struct mcd_softc *sc;
1004 struct mcd_result *res;
1005 {
1006 int i, x;
1007
1008 if (sc->debug)
1009 printf("%s: mcd_getresult: %d", sc->sc_dev.dv_xname,
1010 res->length);
1011
1012 if ((x = mcd_getreply(sc)) < 0) {
1013 if (sc->debug)
1014 printf(" timeout\n");
1015 else if (!sc->probe)
1016 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname);
1017 return EIO;
1018 }
1019 if (sc->debug)
1020 printf(" %02x", (u_int)x);
1021 sc->status = x;
1022 mcd_setflags(sc);
1023
1024 if ((sc->status & MCD_ST_CMDCHECK) != 0)
1025 return EINVAL;
1026
1027 for (i = 0; i < res->length; i++) {
1028 if ((x = mcd_getreply(sc)) < 0) {
1029 if (sc->debug)
1030 printf(" timeout\n");
1031 else
1032 printf("%s: timeout in getresult\n", sc->sc_dev.dv_xname);
1033 return EIO;
1034 }
1035 if (sc->debug)
1036 printf(" %02x", (u_int)x);
1037 res->data.raw.data[i] = x;
1038 }
1039
1040 if (sc->debug)
1041 printf(" succeeded\n");
1042
1043 #ifdef MCDDEBUG
1044 delay(10);
1045 while ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_XFER) &
1046 MCD_XF_STATUSUNAVAIL) == 0) {
1047 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MCD_STATUS);
1048 printf("%s: got extra byte %02x during getstatus\n",
1049 sc->sc_dev.dv_xname, (u_int)x);
1050 delay(10);
1051 }
1052 #endif
1053
1054 return 0;
1055 }
1056
1057 void
1058 mcd_setflags(sc)
1059 struct mcd_softc *sc;
1060 {
1061
1062 /* Check flags. */
1063 if ((sc->flags & MCDF_LOADED) != 0 &&
1064 (sc->status & (MCD_ST_DSKCHNG | MCD_ST_DSKIN | MCD_ST_DOOROPEN)) !=
1065 MCD_ST_DSKIN) {
1066 if ((sc->status & MCD_ST_DOOROPEN) != 0)
1067 printf("%s: door open\n", sc->sc_dev.dv_xname);
1068 else if ((sc->status & MCD_ST_DSKIN) == 0)
1069 printf("%s: no disk present\n", sc->sc_dev.dv_xname);
1070 else if ((sc->status & MCD_ST_DSKCHNG) != 0)
1071 printf("%s: media change\n", sc->sc_dev.dv_xname);
1072 sc->flags &= ~MCDF_LOADED;
1073 }
1074
1075 if ((sc->status & MCD_ST_AUDIOBSY) != 0)
1076 sc->audio_status = CD_AS_PLAY_IN_PROGRESS;
1077 else if (sc->audio_status == CD_AS_PLAY_IN_PROGRESS ||
1078 sc->audio_status == CD_AS_AUDIO_INVALID)
1079 sc->audio_status = CD_AS_PLAY_COMPLETED;
1080 }
1081
1082 int
1083 mcd_send(sc, mbx, diskin)
1084 struct mcd_softc *sc;
1085 struct mcd_mbox *mbx;
1086 int diskin;
1087 {
1088 int retry, i, error;
1089 bus_space_tag_t iot = sc->sc_iot;
1090 bus_space_handle_t ioh = sc->sc_ioh;
1091
1092 if (sc->debug) {
1093 printf("%s: mcd_send: %d %02x", sc->sc_dev.dv_xname,
1094 mbx->cmd.length, (u_int)mbx->cmd.opcode);
1095 for (i = 0; i < mbx->cmd.length; i++)
1096 printf(" %02x", (u_int)mbx->cmd.data.raw.data[i]);
1097 printf("\n");
1098 }
1099
1100 for (retry = MCD_RETRIES; retry; retry--) {
1101 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.opcode);
1102 for (i = 0; i < mbx->cmd.length; i++)
1103 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->cmd.data.raw.data[i]);
1104 if ((error = mcd_getresult(sc, &mbx->res)) == 0)
1105 break;
1106 if (error == EINVAL)
1107 return error;
1108 }
1109 if (!retry)
1110 return error;
1111 if (diskin && (sc->flags & MCDF_LOADED) == 0)
1112 return EIO;
1113
1114 return 0;
1115 }
1116
1117 static int
1118 bcd2bin(b)
1119 bcd_t b;
1120 {
1121
1122 return (b >> 4) * 10 + (b & 15);
1123 }
1124
1125 static bcd_t
1126 bin2bcd(b)
1127 int b;
1128 {
1129
1130 return ((b / 10) << 4) | (b % 10);
1131 }
1132
1133 static void
1134 hsg2msf(hsg, msf)
1135 int hsg;
1136 bcd_t *msf;
1137 {
1138
1139 hsg += 150;
1140 F_msf(msf) = bin2bcd(hsg % 75);
1141 hsg /= 75;
1142 S_msf(msf) = bin2bcd(hsg % 60);
1143 hsg /= 60;
1144 M_msf(msf) = bin2bcd(hsg);
1145 }
1146
1147 static daddr_t
1148 msf2hsg(msf, relative)
1149 bcd_t *msf;
1150 int relative;
1151 {
1152 daddr_t blkno;
1153
1154 blkno = bcd2bin(M_msf(msf)) * 75 * 60 +
1155 bcd2bin(S_msf(msf)) * 75 +
1156 bcd2bin(F_msf(msf));
1157 if (!relative)
1158 blkno -= 150;
1159 return blkno;
1160 }
1161
1162 void
1163 mcd_pseudointr(v)
1164 void *v;
1165 {
1166 struct mcd_softc *sc = v;
1167 int s;
1168
1169 s = splbio();
1170 (void) mcdintr(sc);
1171 splx(s);
1172 }
1173
1174 /*
1175 * State machine to process read requests.
1176 * Initialize with MCD_S_BEGIN: calculate sizes, and set mode
1177 * MCD_S_WAITMODE: waits for status reply from set mode, set read command
1178 * MCD_S_WAITREAD: wait for read ready, read data.
1179 */
1180 int
1181 mcdintr(arg)
1182 void *arg;
1183 {
1184 struct mcd_softc *sc = arg;
1185 struct mcd_mbx *mbx = &sc->mbx;
1186 struct buf *bp = mbx->bp;
1187 bus_space_tag_t iot = sc->sc_iot;
1188 bus_space_handle_t ioh = sc->sc_ioh;
1189
1190 int i;
1191 u_char x;
1192 bcd_t msf[3];
1193
1194 switch (mbx->state) {
1195 case MCD_S_IDLE:
1196 return 0;
1197
1198 case MCD_S_BEGIN:
1199 tryagain:
1200 if (mbx->mode == sc->lastmode)
1201 goto firstblock;
1202
1203 sc->lastmode = MCD_MD_UNKNOWN;
1204 bus_space_write_1(iot, ioh, MCD_COMMAND, MCD_CMDSETMODE);
1205 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->mode);
1206
1207 mbx->count = RDELAY_WAITMODE;
1208 mbx->state = MCD_S_WAITMODE;
1209
1210 case MCD_S_WAITMODE:
1211 callout_stop(&sc->sc_pintr_ch);
1212 for (i = 20; i; i--) {
1213 x = bus_space_read_1(iot, ioh, MCD_XFER);
1214 if ((x & MCD_XF_STATUSUNAVAIL) == 0)
1215 break;
1216 delay(50);
1217 }
1218 if (i == 0)
1219 goto hold;
1220 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS);
1221 mcd_setflags(sc);
1222 if ((sc->flags & MCDF_LOADED) == 0)
1223 goto changed;
1224 MCD_TRACE("doread: got WAITMODE delay=%d\n",
1225 RDELAY_WAITMODE - mbx->count, 0, 0, 0);
1226
1227 sc->lastmode = mbx->mode;
1228
1229 firstblock:
1230 MCD_TRACE("doread: read blkno=%d for bp=0x%x\n", mbx->blkno,
1231 bp, 0, 0);
1232
1233 /* Build parameter block. */
1234 hsg2msf(mbx->blkno, msf);
1235
1236 /* Send the read command. */
1237 bus_space_write_1(iot, ioh, MCD_COMMAND, sc->readcmd);
1238 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[0]);
1239 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[1]);
1240 bus_space_write_1(iot, ioh, MCD_COMMAND, msf[2]);
1241 bus_space_write_1(iot, ioh, MCD_COMMAND, 0);
1242 bus_space_write_1(iot, ioh, MCD_COMMAND, 0);
1243 bus_space_write_1(iot, ioh, MCD_COMMAND, mbx->nblk);
1244
1245 mbx->count = RDELAY_WAITREAD;
1246 mbx->state = MCD_S_WAITREAD;
1247
1248 case MCD_S_WAITREAD:
1249 callout_stop(&sc->sc_pintr_ch);
1250 nextblock:
1251 loop:
1252 for (i = 20; i; i--) {
1253 x = bus_space_read_1(iot, ioh, MCD_XFER);
1254 if ((x & MCD_XF_DATAUNAVAIL) == 0)
1255 goto gotblock;
1256 if ((x & MCD_XF_STATUSUNAVAIL) == 0)
1257 break;
1258 delay(50);
1259 }
1260 if (i == 0)
1261 goto hold;
1262 sc->status = bus_space_read_1(iot, ioh, MCD_STATUS);
1263 mcd_setflags(sc);
1264 if ((sc->flags & MCDF_LOADED) == 0)
1265 goto changed;
1266 #if 0
1267 printf("%s: got status byte %02x during read\n",
1268 sc->sc_dev.dv_xname, (u_int)sc->status);
1269 #endif
1270 goto loop;
1271
1272 gotblock:
1273 MCD_TRACE("doread: got data delay=%d\n",
1274 RDELAY_WAITREAD - mbx->count, 0, 0, 0);
1275
1276 /* Data is ready. */
1277 bus_space_write_1(iot, ioh, MCD_CTL2, 0x04); /* XXX */
1278 bus_space_read_multi_1(iot, ioh, MCD_RDATA,
1279 bp->b_data + mbx->skip, mbx->sz);
1280 bus_space_write_1(iot, ioh, MCD_CTL2, 0x0c); /* XXX */
1281 mbx->blkno += 1;
1282 mbx->skip += mbx->sz;
1283 if (--mbx->nblk > 0)
1284 goto nextblock;
1285
1286 mbx->state = MCD_S_IDLE;
1287
1288 /* Return buffer. */
1289 bp->b_resid = 0;
1290 disk_unbusy(&sc->sc_dk, bp->b_bcount, (bp->b_flags & B_READ));
1291 biodone(bp);
1292
1293 mcdstart(sc);
1294 return 1;
1295
1296 hold:
1297 if (mbx->count-- < 0) {
1298 printf("%s: timeout in state %d",
1299 sc->sc_dev.dv_xname, mbx->state);
1300 goto readerr;
1301 }
1302
1303 #if 0
1304 printf("%s: sleep in state %d\n", sc->sc_dev.dv_xname,
1305 mbx->state);
1306 #endif
1307 callout_reset(&sc->sc_pintr_ch, hz / 100,
1308 mcd_pseudointr, sc);
1309 return -1;
1310 }
1311
1312 readerr:
1313 if (mbx->retry-- > 0) {
1314 printf("; retrying\n");
1315 goto tryagain;
1316 } else
1317 printf("; giving up\n");
1318
1319 changed:
1320 /* Invalidate the buffer. */
1321 bp->b_flags |= B_ERROR;
1322 bp->b_resid = bp->b_bcount - mbx->skip;
1323 disk_unbusy(&sc->sc_dk, (bp->b_bcount - bp->b_resid),
1324 (bp->b_flags & B_READ));
1325 biodone(bp);
1326
1327 mcdstart(sc);
1328 return -1;
1329
1330 #ifdef notyet
1331 printf("%s: unit timeout; resetting\n", sc->sc_dev.dv_xname);
1332 bus_space_write_1(iot, ioh, MCD_RESET, MCD_CMDRESET);
1333 delay(300000);
1334 (void) mcd_getstat(sc, 1);
1335 (void) mcd_getstat(sc, 1);
1336 /*sc->status &= ~MCD_ST_DSKCHNG; */
1337 sc->debug = 1; /* preventive set debug mode */
1338 #endif
1339 }
1340
1341 void
1342 mcd_soft_reset(sc)
1343 struct mcd_softc *sc;
1344 {
1345
1346 sc->debug = 0;
1347 sc->flags = 0;
1348 sc->lastmode = MCD_MD_UNKNOWN;
1349 sc->lastupc = MCD_UPC_UNKNOWN;
1350 sc->audio_status = CD_AS_AUDIO_INVALID;
1351 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MCD_CTL2, 0x0c); /* XXX */
1352 }
1353
1354 int
1355 mcd_hard_reset(sc)
1356 struct mcd_softc *sc;
1357 {
1358 struct mcd_mbox mbx;
1359
1360 mcd_soft_reset(sc);
1361
1362 mbx.cmd.opcode = MCD_CMDRESET;
1363 mbx.cmd.length = 0;
1364 mbx.res.length = 0;
1365 return mcd_send(sc, &mbx, 0);
1366 }
1367
1368 int
1369 mcd_setmode(sc, mode)
1370 struct mcd_softc *sc;
1371 int mode;
1372 {
1373 struct mcd_mbox mbx;
1374 int error;
1375
1376 if (sc->lastmode == mode)
1377 return 0;
1378 if (sc->debug)
1379 printf("%s: setting mode to %d\n", sc->sc_dev.dv_xname, mode);
1380 sc->lastmode = MCD_MD_UNKNOWN;
1381
1382 mbx.cmd.opcode = MCD_CMDSETMODE;
1383 mbx.cmd.length = sizeof(mbx.cmd.data.datamode);
1384 mbx.cmd.data.datamode.mode = mode;
1385 mbx.res.length = 0;
1386 if ((error = mcd_send(sc, &mbx, 1)) != 0)
1387 return error;
1388
1389 sc->lastmode = mode;
1390 return 0;
1391 }
1392
1393 int
1394 mcd_setupc(sc, upc)
1395 struct mcd_softc *sc;
1396 int upc;
1397 {
1398 struct mcd_mbox mbx;
1399 int error;
1400
1401 if (sc->lastupc == upc)
1402 return 0;
1403 if (sc->debug)
1404 printf("%s: setting upc to %d\n", sc->sc_dev.dv_xname, upc);
1405 sc->lastupc = MCD_UPC_UNKNOWN;
1406
1407 mbx.cmd.opcode = MCD_CMDCONFIGDRIVE;
1408 mbx.cmd.length = sizeof(mbx.cmd.data.config) - 1;
1409 mbx.cmd.data.config.subcommand = MCD_CF_READUPC;
1410 mbx.cmd.data.config.data1 = upc;
1411 mbx.res.length = 0;
1412 if ((error = mcd_send(sc, &mbx, 1)) != 0)
1413 return error;
1414
1415 sc->lastupc = upc;
1416 return 0;
1417 }
1418
1419 int
1420 mcd_toc_header(sc, th)
1421 struct mcd_softc *sc;
1422 struct ioc_toc_header *th;
1423 {
1424
1425 if (sc->debug)
1426 printf("%s: mcd_toc_header: reading toc header\n",
1427 sc->sc_dev.dv_xname);
1428
1429 th->len = msf2hsg(sc->volinfo.vol_msf, 0);
1430 th->starting_track = bcd2bin(sc->volinfo.trk_low);
1431 th->ending_track = bcd2bin(sc->volinfo.trk_high);
1432
1433 return 0;
1434 }
1435
1436 int
1437 mcd_read_toc(sc)
1438 struct mcd_softc *sc;
1439 {
1440 struct ioc_toc_header th;
1441 union mcd_qchninfo q;
1442 int error, trk, idx, retry;
1443
1444 if ((error = mcd_toc_header(sc, &th)) != 0)
1445 return error;
1446
1447 if ((error = mcd_stop(sc)) != 0)
1448 return error;
1449
1450 if (sc->debug)
1451 printf("%s: read_toc: reading qchannel info\n",
1452 sc->sc_dev.dv_xname);
1453
1454 for (trk = th.starting_track; trk <= th.ending_track; trk++)
1455 sc->toc[trk].toc.idx_no = 0x00;
1456 trk = th.ending_track - th.starting_track + 1;
1457 for (retry = 300; retry && trk > 0; retry--) {
1458 if (mcd_getqchan(sc, &q, CD_TRACK_INFO) != 0)
1459 break;
1460 if (q.toc.trk_no != 0x00 || q.toc.idx_no == 0x00)
1461 continue;
1462 idx = bcd2bin(q.toc.idx_no);
1463 if (idx < MCD_MAXTOCS &&
1464 sc->toc[idx].toc.idx_no == 0x00) {
1465 sc->toc[idx] = q;
1466 trk--;
1467 }
1468 }
1469
1470 /* Inform the drive that we're finished so it turns off the light. */
1471 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
1472 return error;
1473
1474 if (trk != 0)
1475 return EINVAL;
1476
1477 /* Add a fake last+1 for mcd_playtracks(). */
1478 idx = th.ending_track + 1;
1479 sc->toc[idx].toc.control = sc->toc[idx-1].toc.control;
1480 sc->toc[idx].toc.addr_type = sc->toc[idx-1].toc.addr_type;
1481 sc->toc[idx].toc.trk_no = 0x00;
1482 sc->toc[idx].toc.idx_no = 0xaa;
1483 sc->toc[idx].toc.absolute_pos[0] = sc->volinfo.vol_msf[0];
1484 sc->toc[idx].toc.absolute_pos[1] = sc->volinfo.vol_msf[1];
1485 sc->toc[idx].toc.absolute_pos[2] = sc->volinfo.vol_msf[2];
1486
1487 return 0;
1488 }
1489
1490 int
1491 mcd_toc_entries(sc, te)
1492 struct mcd_softc *sc;
1493 struct ioc_read_toc_entry *te;
1494 {
1495 int len = te->data_len;
1496 struct ret_toc {
1497 struct ioc_toc_header header;
1498 struct cd_toc_entry entries[MCD_MAXTOCS];
1499 } data;
1500 u_char trk;
1501 daddr_t lba;
1502 int error, n;
1503
1504 if (len > sizeof(data.entries) ||
1505 len < sizeof(struct cd_toc_entry))
1506 return EINVAL;
1507 if (te->address_format != CD_MSF_FORMAT &&
1508 te->address_format != CD_LBA_FORMAT)
1509 return EINVAL;
1510
1511 /* Copy the TOC header. */
1512 if ((error = mcd_toc_header(sc, &data.header)) != 0)
1513 return error;
1514
1515 /* Verify starting track. */
1516 trk = te->starting_track;
1517 if (trk == 0x00)
1518 trk = data.header.starting_track;
1519 else if (trk == 0xaa)
1520 trk = data.header.ending_track + 1;
1521 else if (trk < data.header.starting_track ||
1522 trk > data.header.ending_track + 1)
1523 return EINVAL;
1524
1525 /* Copy the TOC data. */
1526 for (n = 0; trk <= data.header.ending_track + 1; trk++) {
1527 if (sc->toc[trk].toc.idx_no == 0x00)
1528 continue;
1529 data.entries[n].control = sc->toc[trk].toc.control;
1530 data.entries[n].addr_type = sc->toc[trk].toc.addr_type;
1531 data.entries[n].track = bcd2bin(sc->toc[trk].toc.idx_no);
1532 switch (te->address_format) {
1533 case CD_MSF_FORMAT:
1534 data.entries[n].addr.addr[0] = 0;
1535 data.entries[n].addr.addr[1] = bcd2bin(sc->toc[trk].toc.absolute_pos[0]);
1536 data.entries[n].addr.addr[2] = bcd2bin(sc->toc[trk].toc.absolute_pos[1]);
1537 data.entries[n].addr.addr[3] = bcd2bin(sc->toc[trk].toc.absolute_pos[2]);
1538 break;
1539 case CD_LBA_FORMAT:
1540 lba = msf2hsg(sc->toc[trk].toc.absolute_pos, 0);
1541 data.entries[n].addr.addr[0] = lba >> 24;
1542 data.entries[n].addr.addr[1] = lba >> 16;
1543 data.entries[n].addr.addr[2] = lba >> 8;
1544 data.entries[n].addr.addr[3] = lba;
1545 break;
1546 }
1547 n++;
1548 }
1549
1550 len = min(len, n * sizeof(struct cd_toc_entry));
1551
1552 /* Copy the data back. */
1553 return copyout(&data.entries[0], te->data, len);
1554 }
1555
1556 int
1557 mcd_stop(sc)
1558 struct mcd_softc *sc;
1559 {
1560 struct mcd_mbox mbx;
1561 int error;
1562
1563 if (sc->debug)
1564 printf("%s: mcd_stop: stopping play\n", sc->sc_dev.dv_xname);
1565
1566 mbx.cmd.opcode = MCD_CMDSTOPAUDIO;
1567 mbx.cmd.length = 0;
1568 mbx.res.length = 0;
1569 if ((error = mcd_send(sc, &mbx, 1)) != 0)
1570 return error;
1571
1572 sc->audio_status = CD_AS_PLAY_COMPLETED;
1573 return 0;
1574 }
1575
1576 int
1577 mcd_getqchan(sc, q, qchn)
1578 struct mcd_softc *sc;
1579 union mcd_qchninfo *q;
1580 int qchn;
1581 {
1582 struct mcd_mbox mbx;
1583 int error;
1584
1585 if (qchn == CD_TRACK_INFO) {
1586 if ((error = mcd_setmode(sc, MCD_MD_TOC)) != 0)
1587 return error;
1588 } else {
1589 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
1590 return error;
1591 }
1592 if (qchn == CD_MEDIA_CATALOG) {
1593 if ((error = mcd_setupc(sc, MCD_UPC_ENABLE)) != 0)
1594 return error;
1595 } else {
1596 if ((error = mcd_setupc(sc, MCD_UPC_DISABLE)) != 0)
1597 return error;
1598 }
1599
1600 mbx.cmd.opcode = MCD_CMDGETQCHN;
1601 mbx.cmd.length = 0;
1602 mbx.res.length = sizeof(mbx.res.data.qchninfo);
1603 if ((error = mcd_send(sc, &mbx, 1)) != 0)
1604 return error;
1605
1606 *q = mbx.res.data.qchninfo;
1607 return 0;
1608 }
1609
1610 int
1611 mcd_read_subchannel(sc, ch)
1612 struct mcd_softc *sc;
1613 struct ioc_read_subchannel *ch;
1614 {
1615 int len = ch->data_len;
1616 union mcd_qchninfo q;
1617 struct cd_sub_channel_info data;
1618 daddr_t lba;
1619 int error;
1620
1621 if (sc->debug)
1622 printf("%s: subchan: af=%d df=%d\n", sc->sc_dev.dv_xname,
1623 ch->address_format, ch->data_format);
1624
1625 if (len > sizeof(data) ||
1626 len < sizeof(struct cd_sub_channel_header))
1627 return EINVAL;
1628 if (ch->address_format != CD_MSF_FORMAT &&
1629 ch->address_format != CD_LBA_FORMAT)
1630 return EINVAL;
1631 if (ch->data_format != CD_CURRENT_POSITION &&
1632 ch->data_format != CD_MEDIA_CATALOG)
1633 return EINVAL;
1634
1635 if ((error = mcd_getqchan(sc, &q, ch->data_format)) != 0)
1636 return error;
1637
1638 data.header.audio_status = sc->audio_status;
1639 data.what.media_catalog.data_format = ch->data_format;
1640
1641 switch (ch->data_format) {
1642 case CD_MEDIA_CATALOG:
1643 data.what.media_catalog.mc_valid = 1;
1644 #if 0
1645 data.what.media_catalog.mc_number =
1646 #endif
1647 break;
1648
1649 case CD_CURRENT_POSITION:
1650 data.what.position.track_number = bcd2bin(q.current.trk_no);
1651 data.what.position.index_number = bcd2bin(q.current.idx_no);
1652 switch (ch->address_format) {
1653 case CD_MSF_FORMAT:
1654 data.what.position.reladdr.addr[0] = 0;
1655 data.what.position.reladdr.addr[1] = bcd2bin(q.current.relative_pos[0]);
1656 data.what.position.reladdr.addr[2] = bcd2bin(q.current.relative_pos[1]);
1657 data.what.position.reladdr.addr[3] = bcd2bin(q.current.relative_pos[2]);
1658 data.what.position.absaddr.addr[0] = 0;
1659 data.what.position.absaddr.addr[1] = bcd2bin(q.current.absolute_pos[0]);
1660 data.what.position.absaddr.addr[2] = bcd2bin(q.current.absolute_pos[1]);
1661 data.what.position.absaddr.addr[3] = bcd2bin(q.current.absolute_pos[2]);
1662 break;
1663 case CD_LBA_FORMAT:
1664 lba = msf2hsg(q.current.relative_pos, 1);
1665 /*
1666 * Pre-gap has index number of 0, and decreasing MSF
1667 * address. Must be converted to negative LBA, per
1668 * SCSI spec.
1669 */
1670 if (data.what.position.index_number == 0x00)
1671 lba = -lba;
1672 data.what.position.reladdr.addr[0] = lba >> 24;
1673 data.what.position.reladdr.addr[1] = lba >> 16;
1674 data.what.position.reladdr.addr[2] = lba >> 8;
1675 data.what.position.reladdr.addr[3] = lba;
1676 lba = msf2hsg(q.current.absolute_pos, 0);
1677 data.what.position.absaddr.addr[0] = lba >> 24;
1678 data.what.position.absaddr.addr[1] = lba >> 16;
1679 data.what.position.absaddr.addr[2] = lba >> 8;
1680 data.what.position.absaddr.addr[3] = lba;
1681 break;
1682 }
1683 break;
1684 }
1685
1686 return copyout(&data, ch->data, len);
1687 }
1688
1689 int
1690 mcd_playtracks(sc, p)
1691 struct mcd_softc *sc;
1692 struct ioc_play_track *p;
1693 {
1694 struct mcd_mbox mbx;
1695 int a = p->start_track;
1696 int z = p->end_track;
1697 int error;
1698
1699 if (sc->debug)
1700 printf("%s: playtracks: from %d:%d to %d:%d\n",
1701 sc->sc_dev.dv_xname,
1702 a, p->start_index, z, p->end_index);
1703
1704 if (a < bcd2bin(sc->volinfo.trk_low) ||
1705 a > bcd2bin(sc->volinfo.trk_high) ||
1706 a > z ||
1707 z < bcd2bin(sc->volinfo.trk_low) ||
1708 z > bcd2bin(sc->volinfo.trk_high))
1709 return EINVAL;
1710
1711 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
1712 return error;
1713
1714 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED;
1715 mbx.cmd.length = sizeof(mbx.cmd.data.play);
1716 mbx.cmd.data.play.start_msf[0] = sc->toc[a].toc.absolute_pos[0];
1717 mbx.cmd.data.play.start_msf[1] = sc->toc[a].toc.absolute_pos[1];
1718 mbx.cmd.data.play.start_msf[2] = sc->toc[a].toc.absolute_pos[2];
1719 mbx.cmd.data.play.end_msf[0] = sc->toc[z+1].toc.absolute_pos[0];
1720 mbx.cmd.data.play.end_msf[1] = sc->toc[z+1].toc.absolute_pos[1];
1721 mbx.cmd.data.play.end_msf[2] = sc->toc[z+1].toc.absolute_pos[2];
1722 sc->lastpb = mbx.cmd;
1723 mbx.res.length = 0;
1724 return mcd_send(sc, &mbx, 1);
1725 }
1726
1727 int
1728 mcd_playmsf(sc, p)
1729 struct mcd_softc *sc;
1730 struct ioc_play_msf *p;
1731 {
1732 struct mcd_mbox mbx;
1733 int error;
1734
1735 if (sc->debug)
1736 printf("%s: playmsf: from %d:%d.%d to %d:%d.%d\n",
1737 sc->sc_dev.dv_xname,
1738 p->start_m, p->start_s, p->start_f,
1739 p->end_m, p->end_s, p->end_f);
1740
1741 if ((p->start_m * 60 * 75 + p->start_s * 75 + p->start_f) >=
1742 (p->end_m * 60 * 75 + p->end_s * 75 + p->end_f))
1743 return EINVAL;
1744
1745 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
1746 return error;
1747
1748 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED;
1749 mbx.cmd.length = sizeof(mbx.cmd.data.play);
1750 mbx.cmd.data.play.start_msf[0] = bin2bcd(p->start_m);
1751 mbx.cmd.data.play.start_msf[1] = bin2bcd(p->start_s);
1752 mbx.cmd.data.play.start_msf[2] = bin2bcd(p->start_f);
1753 mbx.cmd.data.play.end_msf[0] = bin2bcd(p->end_m);
1754 mbx.cmd.data.play.end_msf[1] = bin2bcd(p->end_s);
1755 mbx.cmd.data.play.end_msf[2] = bin2bcd(p->end_f);
1756 sc->lastpb = mbx.cmd;
1757 mbx.res.length = 0;
1758 return mcd_send(sc, &mbx, 1);
1759 }
1760
1761 int
1762 mcd_playblocks(sc, p)
1763 struct mcd_softc *sc;
1764 struct ioc_play_blocks *p;
1765 {
1766 struct mcd_mbox mbx;
1767 int error;
1768
1769 if (sc->debug)
1770 printf("%s: playblocks: blkno %d length %d\n",
1771 sc->sc_dev.dv_xname, p->blk, p->len);
1772
1773 if (p->blk > sc->disksize || p->len > sc->disksize ||
1774 (p->blk + p->len) > sc->disksize)
1775 return 0;
1776
1777 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
1778 return error;
1779
1780 mbx.cmd.opcode = MCD_CMDREADSINGLESPEED;
1781 mbx.cmd.length = sizeof(mbx.cmd.data.play);
1782 hsg2msf(p->blk, mbx.cmd.data.play.start_msf);
1783 hsg2msf(p->blk + p->len, mbx.cmd.data.play.end_msf);
1784 sc->lastpb = mbx.cmd;
1785 mbx.res.length = 0;
1786 return mcd_send(sc, &mbx, 1);
1787 }
1788
1789 int
1790 mcd_pause(sc)
1791 struct mcd_softc *sc;
1792 {
1793 union mcd_qchninfo q;
1794 int error;
1795
1796 /* Verify current status. */
1797 if (sc->audio_status != CD_AS_PLAY_IN_PROGRESS) {
1798 printf("%s: pause: attempted when not playing\n",
1799 sc->sc_dev.dv_xname);
1800 return EINVAL;
1801 }
1802
1803 /* Get the current position. */
1804 if ((error = mcd_getqchan(sc, &q, CD_CURRENT_POSITION)) != 0)
1805 return error;
1806
1807 /* Copy it into lastpb. */
1808 sc->lastpb.data.seek.start_msf[0] = q.current.absolute_pos[0];
1809 sc->lastpb.data.seek.start_msf[1] = q.current.absolute_pos[1];
1810 sc->lastpb.data.seek.start_msf[2] = q.current.absolute_pos[2];
1811
1812 /* Stop playing. */
1813 if ((error = mcd_stop(sc)) != 0)
1814 return error;
1815
1816 /* Set the proper status and exit. */
1817 sc->audio_status = CD_AS_PLAY_PAUSED;
1818 return 0;
1819 }
1820
1821 int
1822 mcd_resume(sc)
1823 struct mcd_softc *sc;
1824 {
1825 struct mcd_mbox mbx;
1826 int error;
1827
1828 if (sc->audio_status != CD_AS_PLAY_PAUSED)
1829 return EINVAL;
1830
1831 if ((error = mcd_setmode(sc, MCD_MD_COOKED)) != 0)
1832 return error;
1833
1834 mbx.cmd = sc->lastpb;
1835 mbx.res.length = 0;
1836 return mcd_send(sc, &mbx, 1);
1837 }
1838
1839 int
1840 mcd_eject(sc)
1841 struct mcd_softc *sc;
1842 {
1843 struct mcd_mbox mbx;
1844
1845 mbx.cmd.opcode = MCD_CMDEJECTDISK;
1846 mbx.cmd.length = 0;
1847 mbx.res.length = 0;
1848 return mcd_send(sc, &mbx, 0);
1849 }
1850
1851 int
1852 mcd_setlock(sc, mode)
1853 struct mcd_softc *sc;
1854 int mode;
1855 {
1856 struct mcd_mbox mbx;
1857
1858 mbx.cmd.opcode = MCD_CMDSETLOCK;
1859 mbx.cmd.length = sizeof(mbx.cmd.data.lockmode);
1860 mbx.cmd.data.lockmode.mode = mode;
1861 mbx.res.length = 0;
1862 return mcd_send(sc, &mbx, 1);
1863 }
Cache object: 1e855f5db402e39e0d7e1a1c677e3032
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