FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/isa/sb8.c
1 /*-
2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
3 * Copyright (c) 1997,1998 Luigi Rizzo
4 *
5 * Derived from files in the Voxware 3.5 distribution,
6 * Copyright by Hannu Savolainen 1994, under the same copyright
7 * conditions.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <dev/sound/pcm/sound.h>
33
34 #include <dev/sound/isa/sb.h>
35 #include <dev/sound/chip.h>
36
37 #include <isa/isavar.h>
38
39 #include "mixer_if.h"
40
41 SND_DECLARE_FILE("$FreeBSD: releng/7.3/sys/dev/sound/isa/sb8.c 170873 2007-06-17 06:10:43Z ariff $");
42
43 #define SB_DEFAULT_BUFSZ 4096
44
45 static u_int32_t sb_fmt[] = {
46 AFMT_U8,
47 0
48 };
49 static struct pcmchan_caps sb200_playcaps = {4000, 23000, sb_fmt, 0};
50 static struct pcmchan_caps sb200_reccaps = {4000, 13000, sb_fmt, 0};
51 static struct pcmchan_caps sb201_playcaps = {4000, 44100, sb_fmt, 0};
52 static struct pcmchan_caps sb201_reccaps = {4000, 15000, sb_fmt, 0};
53
54 static u_int32_t sbpro_fmt[] = {
55 AFMT_U8,
56 AFMT_STEREO | AFMT_U8,
57 0
58 };
59 static struct pcmchan_caps sbpro_playcaps = {4000, 44100, sbpro_fmt, 0};
60 static struct pcmchan_caps sbpro_reccaps = {4000, 44100, sbpro_fmt, 0};
61
62 struct sb_info;
63
64 struct sb_chinfo {
65 struct sb_info *parent;
66 struct pcm_channel *channel;
67 struct snd_dbuf *buffer;
68 int dir;
69 u_int32_t fmt, spd, blksz;
70 };
71
72 struct sb_info {
73 device_t parent_dev;
74 struct resource *io_base; /* I/O address for the board */
75 struct resource *irq;
76 struct resource *drq;
77 void *ih;
78 bus_dma_tag_t parent_dmat;
79
80 unsigned int bufsize;
81 int bd_id;
82 u_long bd_flags; /* board-specific flags */
83 struct sb_chinfo pch, rch;
84 };
85
86 static int sb_rd(struct sb_info *sb, int reg);
87 static void sb_wr(struct sb_info *sb, int reg, u_int8_t val);
88 static int sb_dspready(struct sb_info *sb);
89 static int sb_cmd(struct sb_info *sb, u_char val);
90 static int sb_cmd1(struct sb_info *sb, u_char cmd, int val);
91 static int sb_cmd2(struct sb_info *sb, u_char cmd, int val);
92 static u_int sb_get_byte(struct sb_info *sb);
93 static void sb_setmixer(struct sb_info *sb, u_int port, u_int value);
94 static int sb_getmixer(struct sb_info *sb, u_int port);
95 static int sb_reset_dsp(struct sb_info *sb);
96
97 static void sb_intr(void *arg);
98 static int sb_speed(struct sb_chinfo *ch);
99 static int sb_start(struct sb_chinfo *ch);
100 static int sb_stop(struct sb_chinfo *ch);
101
102 /*
103 * Common code for the midi and pcm functions
104 *
105 * sb_cmd write a single byte to the CMD port.
106 * sb_cmd1 write a CMD + 1 byte arg
107 * sb_cmd2 write a CMD + 2 byte arg
108 * sb_get_byte returns a single byte from the DSP data port
109 */
110
111 static void
112 sb_lock(struct sb_info *sb) {
113
114 sbc_lock(device_get_softc(sb->parent_dev));
115 }
116
117 static void
118 sb_unlock(struct sb_info *sb) {
119
120 sbc_unlock(device_get_softc(sb->parent_dev));
121 }
122
123 static int
124 port_rd(struct resource *port, int off)
125 {
126 return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off);
127 }
128
129 static void
130 port_wr(struct resource *port, int off, u_int8_t data)
131 {
132 bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data);
133 }
134
135 static int
136 sb_rd(struct sb_info *sb, int reg)
137 {
138 return port_rd(sb->io_base, reg);
139 }
140
141 static void
142 sb_wr(struct sb_info *sb, int reg, u_int8_t val)
143 {
144 port_wr(sb->io_base, reg, val);
145 }
146
147 static int
148 sb_dspready(struct sb_info *sb)
149 {
150 return ((sb_rd(sb, SBDSP_STATUS) & 0x80) == 0);
151 }
152
153 static int
154 sb_dspwr(struct sb_info *sb, u_char val)
155 {
156 int i;
157
158 for (i = 0; i < 1000; i++) {
159 if (sb_dspready(sb)) {
160 sb_wr(sb, SBDSP_CMD, val);
161 return 1;
162 }
163 if (i > 10) DELAY((i > 100)? 1000 : 10);
164 }
165 printf("sb_dspwr(0x%02x) timed out.\n", val);
166 return 0;
167 }
168
169 static int
170 sb_cmd(struct sb_info *sb, u_char val)
171 {
172 #if 0
173 printf("sb_cmd: %x\n", val);
174 #endif
175 return sb_dspwr(sb, val);
176 }
177
178 static int
179 sb_cmd1(struct sb_info *sb, u_char cmd, int val)
180 {
181 #if 0
182 printf("sb_cmd1: %x, %x\n", cmd, val);
183 #endif
184 if (sb_dspwr(sb, cmd)) {
185 return sb_dspwr(sb, val & 0xff);
186 } else return 0;
187 }
188
189 static int
190 sb_cmd2(struct sb_info *sb, u_char cmd, int val)
191 {
192 #if 0
193 printf("sb_cmd2: %x, %x\n", cmd, val);
194 #endif
195 if (sb_dspwr(sb, cmd)) {
196 return sb_dspwr(sb, val & 0xff) &&
197 sb_dspwr(sb, (val >> 8) & 0xff);
198 } else return 0;
199 }
200
201 /*
202 * in the SB, there is a set of indirect "mixer" registers with
203 * address at offset 4, data at offset 5
204 *
205 * we don't need to interlock these, the mixer lock will suffice.
206 */
207 static void
208 sb_setmixer(struct sb_info *sb, u_int port, u_int value)
209 {
210 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
211 DELAY(10);
212 sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff));
213 DELAY(10);
214 }
215
216 static int
217 sb_getmixer(struct sb_info *sb, u_int port)
218 {
219 int val;
220
221 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
222 DELAY(10);
223 val = sb_rd(sb, SB_MIX_DATA);
224 DELAY(10);
225
226 return val;
227 }
228
229 static u_int
230 sb_get_byte(struct sb_info *sb)
231 {
232 int i;
233
234 for (i = 1000; i > 0; i--) {
235 if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80)
236 return sb_rd(sb, DSP_READ);
237 else
238 DELAY(20);
239 }
240 return 0xffff;
241 }
242
243 static int
244 sb_reset_dsp(struct sb_info *sb)
245 {
246 sb_wr(sb, SBDSP_RST, 3);
247 DELAY(100);
248 sb_wr(sb, SBDSP_RST, 0);
249 if (sb_get_byte(sb) != 0xAA) {
250 DEB(printf("sb_reset_dsp 0x%lx failed\n",
251 rman_get_start(sb->io_base)));
252 return ENXIO; /* Sorry */
253 }
254 return 0;
255 }
256
257 static void
258 sb_release_resources(struct sb_info *sb, device_t dev)
259 {
260 if (sb->irq) {
261 if (sb->ih)
262 bus_teardown_intr(dev, sb->irq, sb->ih);
263 bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq);
264 sb->irq = 0;
265 }
266 if (sb->drq) {
267 isa_dma_release(rman_get_start(sb->drq));
268 bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq);
269 sb->drq = 0;
270 }
271 if (sb->io_base) {
272 bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base);
273 sb->io_base = 0;
274 }
275 if (sb->parent_dmat) {
276 bus_dma_tag_destroy(sb->parent_dmat);
277 sb->parent_dmat = 0;
278 }
279 free(sb, M_DEVBUF);
280 }
281
282 static int
283 sb_alloc_resources(struct sb_info *sb, device_t dev)
284 {
285 int rid;
286
287 rid = 0;
288 if (!sb->io_base)
289 sb->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
290 &rid, RF_ACTIVE);
291 rid = 0;
292 if (!sb->irq)
293 sb->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
294 &rid, RF_ACTIVE);
295 rid = 0;
296 if (!sb->drq)
297 sb->drq = bus_alloc_resource_any(dev, SYS_RES_DRQ,
298 &rid, RF_ACTIVE);
299
300 if (sb->io_base && sb->drq && sb->irq) {
301 isa_dma_acquire(rman_get_start(sb->drq));
302 isa_dmainit(rman_get_start(sb->drq), sb->bufsize);
303
304 return 0;
305 } else return ENXIO;
306 }
307
308 /************************************************************/
309
310 static int
311 sbpromix_init(struct snd_mixer *m)
312 {
313 struct sb_info *sb = mix_getdevinfo(m);
314
315 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE |
316 SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME);
317
318 mix_setrecdevs(m, SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD);
319
320 sb_setmixer(sb, 0, 1); /* reset mixer */
321
322 return 0;
323 }
324
325 static int
326 sbpromix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
327 {
328 struct sb_info *sb = mix_getdevinfo(m);
329 int reg, max;
330 u_char val;
331
332 max = 7;
333 switch (dev) {
334 case SOUND_MIXER_PCM:
335 reg = 0x04;
336 break;
337
338 case SOUND_MIXER_MIC:
339 reg = 0x0a;
340 max = 3;
341 break;
342
343 case SOUND_MIXER_VOLUME:
344 reg = 0x22;
345 break;
346
347 case SOUND_MIXER_SYNTH:
348 reg = 0x26;
349 break;
350
351 case SOUND_MIXER_CD:
352 reg = 0x28;
353 break;
354
355 case SOUND_MIXER_LINE:
356 reg = 0x2e;
357 break;
358
359 default:
360 return -1;
361 }
362
363 left = (left * max) / 100;
364 right = (dev == SOUND_MIXER_MIC)? left : ((right * max) / 100);
365
366 val = (dev == SOUND_MIXER_MIC)? (left << 1) : (left << 5 | right << 1);
367 sb_setmixer(sb, reg, val);
368
369 left = (left * 100) / max;
370 right = (right * 100) / max;
371
372 return left | (right << 8);
373 }
374
375 static int
376 sbpromix_setrecsrc(struct snd_mixer *m, u_int32_t src)
377 {
378 struct sb_info *sb = mix_getdevinfo(m);
379 u_char recdev;
380
381 if (src == SOUND_MASK_LINE)
382 recdev = 0x06;
383 else if (src == SOUND_MASK_CD)
384 recdev = 0x02;
385 else { /* default: mic */
386 src = SOUND_MASK_MIC;
387 recdev = 0;
388 }
389 sb_setmixer(sb, RECORD_SRC, recdev | (sb_getmixer(sb, RECORD_SRC) & ~0x07));
390
391 return src;
392 }
393
394 static kobj_method_t sbpromix_mixer_methods[] = {
395 KOBJMETHOD(mixer_init, sbpromix_init),
396 KOBJMETHOD(mixer_set, sbpromix_set),
397 KOBJMETHOD(mixer_setrecsrc, sbpromix_setrecsrc),
398 { 0, 0 }
399 };
400 MIXER_DECLARE(sbpromix_mixer);
401
402 /************************************************************/
403
404 static int
405 sbmix_init(struct snd_mixer *m)
406 {
407 struct sb_info *sb = mix_getdevinfo(m);
408
409 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_CD | SOUND_MASK_VOLUME);
410
411 mix_setrecdevs(m, 0);
412
413 sb_setmixer(sb, 0, 1); /* reset mixer */
414
415 return 0;
416 }
417
418 static int
419 sbmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
420 {
421 struct sb_info *sb = mix_getdevinfo(m);
422 int reg, max;
423
424 max = 7;
425 switch (dev) {
426 case SOUND_MIXER_VOLUME:
427 reg = 0x2;
428 break;
429
430 case SOUND_MIXER_SYNTH:
431 reg = 0x6;
432 break;
433
434 case SOUND_MIXER_CD:
435 reg = 0x8;
436 break;
437
438 case SOUND_MIXER_PCM:
439 reg = 0x0a;
440 max = 3;
441 break;
442
443 default:
444 return -1;
445 }
446
447 left = (left * max) / 100;
448
449 sb_setmixer(sb, reg, left << 1);
450
451 left = (left * 100) / max;
452
453 return left | (left << 8);
454 }
455
456 static int
457 sbmix_setrecsrc(struct snd_mixer *m, u_int32_t src)
458 {
459 return 0;
460 }
461
462 static kobj_method_t sbmix_mixer_methods[] = {
463 KOBJMETHOD(mixer_init, sbmix_init),
464 KOBJMETHOD(mixer_set, sbmix_set),
465 KOBJMETHOD(mixer_setrecsrc, sbmix_setrecsrc),
466 { 0, 0 }
467 };
468 MIXER_DECLARE(sbmix_mixer);
469
470 /************************************************************/
471
472 static void
473 sb_intr(void *arg)
474 {
475 struct sb_info *sb = (struct sb_info *)arg;
476
477 sb_lock(sb);
478 if (sndbuf_runsz(sb->pch.buffer) > 0) {
479 sb_unlock(sb);
480 chn_intr(sb->pch.channel);
481 sb_lock(sb);
482 }
483
484 if (sndbuf_runsz(sb->rch.buffer) > 0) {
485 sb_unlock(sb);
486 chn_intr(sb->rch.channel);
487 sb_lock(sb);
488 }
489
490 sb_rd(sb, DSP_DATA_AVAIL); /* int ack */
491 sb_unlock(sb);
492 }
493
494 static int
495 sb_speed(struct sb_chinfo *ch)
496 {
497 struct sb_info *sb = ch->parent;
498 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
499 int stereo = (ch->fmt & AFMT_STEREO)? 1 : 0;
500 int speed, tmp, thresh, max;
501 u_char tconst;
502
503 if (sb->bd_id >= 0x300) {
504 thresh = stereo? 11025 : 23000;
505 max = stereo? 22050 : 44100;
506 } else if (sb->bd_id > 0x200) {
507 thresh = play? 23000 : 13000;
508 max = play? 44100 : 15000;
509 } else {
510 thresh = 999999;
511 max = play? 23000 : 13000;
512 }
513
514 speed = ch->spd;
515 if (speed > max)
516 speed = max;
517
518 sb_lock(sb);
519 sb->bd_flags &= ~BD_F_HISPEED;
520 if (speed > thresh)
521 sb->bd_flags |= BD_F_HISPEED;
522
523 tmp = 65536 - (256000000 / (speed << stereo));
524 tconst = tmp >> 8;
525
526 sb_cmd1(sb, 0x40, tconst); /* set time constant */
527
528 speed = (256000000 / (65536 - tmp)) >> stereo;
529
530 ch->spd = speed;
531 sb_unlock(sb);
532 return speed;
533 }
534
535 static int
536 sb_start(struct sb_chinfo *ch)
537 {
538 struct sb_info *sb = ch->parent;
539 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
540 int stereo = (ch->fmt & AFMT_STEREO)? 1 : 0;
541 int l = ch->blksz;
542 u_char i;
543
544 l--;
545
546 sb_lock(sb);
547 if (play)
548 sb_cmd(sb, DSP_CMD_SPKON);
549
550 if (sb->bd_flags & BD_F_HISPEED)
551 i = play? 0x90 : 0x98;
552 else
553 i = play? 0x1c : 0x2c;
554
555 sb_setmixer(sb, 0x0e, stereo? 2 : 0);
556 sb_cmd2(sb, 0x48, l);
557 sb_cmd(sb, i);
558
559 sb->bd_flags |= BD_F_DMARUN;
560 sb_unlock(sb);
561 return 0;
562 }
563
564 static int
565 sb_stop(struct sb_chinfo *ch)
566 {
567 struct sb_info *sb = ch->parent;
568 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
569
570 sb_lock(sb);
571 if (sb->bd_flags & BD_F_HISPEED)
572 sb_reset_dsp(sb);
573 else {
574 #if 0
575 /*
576 * NOTE: DSP_CMD_DMAEXIT_8 does not work with old
577 * soundblaster.
578 */
579 sb_cmd(sb, DSP_CMD_DMAEXIT_8);
580 #endif
581 sb_reset_dsp(sb);
582 }
583
584 if (play)
585 sb_cmd(sb, DSP_CMD_SPKOFF); /* speaker off */
586 sb_unlock(sb);
587 sb->bd_flags &= ~BD_F_DMARUN;
588 return 0;
589 }
590
591 /* channel interface */
592 static void *
593 sbchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
594 {
595 struct sb_info *sb = devinfo;
596 struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch;
597
598 ch->parent = sb;
599 ch->channel = c;
600 ch->dir = dir;
601 ch->buffer = b;
602 if (sndbuf_alloc(ch->buffer, sb->parent_dmat, 0, sb->bufsize) != 0)
603 return NULL;
604 sndbuf_dmasetup(ch->buffer, sb->drq);
605 return ch;
606 }
607
608 static int
609 sbchan_setformat(kobj_t obj, void *data, u_int32_t format)
610 {
611 struct sb_chinfo *ch = data;
612
613 ch->fmt = format;
614 return 0;
615 }
616
617 static int
618 sbchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
619 {
620 struct sb_chinfo *ch = data;
621
622 ch->spd = speed;
623 return sb_speed(ch);
624 }
625
626 static int
627 sbchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
628 {
629 struct sb_chinfo *ch = data;
630
631 ch->blksz = blocksize;
632 return ch->blksz;
633 }
634
635 static int
636 sbchan_trigger(kobj_t obj, void *data, int go)
637 {
638 struct sb_chinfo *ch = data;
639
640 if (!PCMTRIG_COMMON(go))
641 return 0;
642
643 sndbuf_dma(ch->buffer, go);
644 if (go == PCMTRIG_START)
645 sb_start(ch);
646 else
647 sb_stop(ch);
648 return 0;
649 }
650
651 static int
652 sbchan_getptr(kobj_t obj, void *data)
653 {
654 struct sb_chinfo *ch = data;
655
656 return sndbuf_dmaptr(ch->buffer);
657 }
658
659 static struct pcmchan_caps *
660 sbchan_getcaps(kobj_t obj, void *data)
661 {
662 struct sb_chinfo *ch = data;
663 int p = (ch->dir == PCMDIR_PLAY)? 1 : 0;
664
665 if (ch->parent->bd_id == 0x200)
666 return p? &sb200_playcaps : &sb200_reccaps;
667 if (ch->parent->bd_id < 0x300)
668 return p? &sb201_playcaps : &sb201_reccaps;
669 return p? &sbpro_playcaps : &sbpro_reccaps;
670 }
671
672 static kobj_method_t sbchan_methods[] = {
673 KOBJMETHOD(channel_init, sbchan_init),
674 KOBJMETHOD(channel_setformat, sbchan_setformat),
675 KOBJMETHOD(channel_setspeed, sbchan_setspeed),
676 KOBJMETHOD(channel_setblocksize, sbchan_setblocksize),
677 KOBJMETHOD(channel_trigger, sbchan_trigger),
678 KOBJMETHOD(channel_getptr, sbchan_getptr),
679 KOBJMETHOD(channel_getcaps, sbchan_getcaps),
680 { 0, 0 }
681 };
682 CHANNEL_DECLARE(sbchan);
683
684 /************************************************************/
685
686 static int
687 sb_probe(device_t dev)
688 {
689 char buf[64];
690 uintptr_t func, ver, r, f;
691
692 /* The parent device has already been probed. */
693 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
694 if (func != SCF_PCM)
695 return (ENXIO);
696
697 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
698 f = (ver & 0xffff0000) >> 16;
699 ver &= 0x0000ffff;
700 if ((f & BD_F_ESS) || (ver >= 0x400))
701 return (ENXIO);
702
703 snprintf(buf, sizeof buf, "SB DSP %d.%02d", (int) ver >> 8, (int) ver & 0xff);
704
705 device_set_desc_copy(dev, buf);
706
707 return 0;
708 }
709
710 static int
711 sb_attach(device_t dev)
712 {
713 struct sb_info *sb;
714 char status[SND_STATUSLEN];
715 uintptr_t ver;
716
717 sb = malloc(sizeof(*sb), M_DEVBUF, M_WAITOK | M_ZERO);
718 sb->parent_dev = device_get_parent(dev);
719 BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
720 sb->bd_id = ver & 0x0000ffff;
721 sb->bd_flags = (ver & 0xffff0000) >> 16;
722 sb->bufsize = pcm_getbuffersize(dev, 4096, SB_DEFAULT_BUFSZ, 65536);
723
724 if (sb_alloc_resources(sb, dev))
725 goto no;
726 if (sb_reset_dsp(sb))
727 goto no;
728 if (mixer_init(dev, (sb->bd_id < 0x300)? &sbmix_mixer_class : &sbpromix_mixer_class, sb))
729 goto no;
730 if (snd_setup_intr(dev, sb->irq, 0, sb_intr, sb, &sb->ih))
731 goto no;
732
733 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
734
735 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2,
736 /*boundary*/0,
737 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
738 /*highaddr*/BUS_SPACE_MAXADDR,
739 /*filter*/NULL, /*filterarg*/NULL,
740 /*maxsize*/sb->bufsize, /*nsegments*/1,
741 /*maxsegz*/0x3ffff, /*flags*/0,
742 /*lockfunc*/busdma_lock_mutex, /*lockarg*/&Giant,
743 &sb->parent_dmat) != 0) {
744 device_printf(dev, "unable to create dma tag\n");
745 goto no;
746 }
747
748 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld bufsz %u %s",
749 rman_get_start(sb->io_base), rman_get_start(sb->irq),
750 rman_get_start(sb->drq), sb->bufsize, PCM_KLDSTRING(snd_sb8));
751
752 if (pcm_register(dev, sb, 1, 1))
753 goto no;
754 pcm_addchan(dev, PCMDIR_REC, &sbchan_class, sb);
755 pcm_addchan(dev, PCMDIR_PLAY, &sbchan_class, sb);
756
757 pcm_setstatus(dev, status);
758
759 return 0;
760
761 no:
762 sb_release_resources(sb, dev);
763 return ENXIO;
764 }
765
766 static int
767 sb_detach(device_t dev)
768 {
769 int r;
770 struct sb_info *sb;
771
772 r = pcm_unregister(dev);
773 if (r)
774 return r;
775
776 sb = pcm_getdevinfo(dev);
777 sb_release_resources(sb, dev);
778 return 0;
779 }
780
781 static device_method_t sb_methods[] = {
782 /* Device interface */
783 DEVMETHOD(device_probe, sb_probe),
784 DEVMETHOD(device_attach, sb_attach),
785 DEVMETHOD(device_detach, sb_detach),
786
787 { 0, 0 }
788 };
789
790 static driver_t sb_driver = {
791 "pcm",
792 sb_methods,
793 PCM_SOFTC_SIZE,
794 };
795
796 DRIVER_MODULE(snd_sb8, sbc, sb_driver, pcm_devclass, 0, 0);
797 MODULE_DEPEND(snd_sb8, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
798 MODULE_DEPEND(snd_sb8, snd_sbc, 1, 1, 1);
799 MODULE_VERSION(snd_sb8, 1);
800
801
802
803
Cache object: 37d956034aaab700d33398e2fe21cbb6
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