FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/isa/sb16.c
1 /*-
2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
3 * Copyright 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: src/sys/dev/sound/isa/sb16.c,v 1.87.2.3 2005/01/30 01:00:03 imp Exp $");
42
43 #define SB16_BUFFSIZE 4096
44 #define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16)
45
46 static u_int32_t sb16_fmt8[] = {
47 AFMT_U8,
48 AFMT_STEREO | AFMT_U8,
49 0
50 };
51 static struct pcmchan_caps sb16_caps8 = {5000, 45000, sb16_fmt8, 0};
52
53 static u_int32_t sb16_fmt16[] = {
54 AFMT_S16_LE,
55 AFMT_STEREO | AFMT_S16_LE,
56 0
57 };
58 static struct pcmchan_caps sb16_caps16 = {5000, 45000, sb16_fmt16, 0};
59
60 static u_int32_t sb16x_fmt[] = {
61 AFMT_U8,
62 AFMT_STEREO | AFMT_U8,
63 AFMT_S16_LE,
64 AFMT_STEREO | AFMT_S16_LE,
65 0
66 };
67 static struct pcmchan_caps sb16x_caps = {5000, 49000, sb16x_fmt, 0};
68
69 struct sb_info;
70
71 struct sb_chinfo {
72 struct sb_info *parent;
73 struct pcm_channel *channel;
74 struct snd_dbuf *buffer;
75 int dir, run, dch;
76 u_int32_t fmt, spd, blksz;
77 };
78
79 struct sb_info {
80 struct resource *io_base; /* I/O address for the board */
81 struct resource *irq;
82 struct resource *drq1;
83 struct resource *drq2;
84 void *ih;
85 bus_dma_tag_t parent_dmat;
86
87 unsigned int bufsize;
88 int bd_id;
89 u_long bd_flags; /* board-specific flags */
90 int prio, prio16;
91 struct sb_chinfo pch, rch;
92 device_t parent_dev;
93 };
94
95 #if 0
96 static void sb_lock(struct sb_info *sb);
97 static void sb_unlock(struct sb_info *sb);
98 static int sb_rd(struct sb_info *sb, int reg);
99 static void sb_wr(struct sb_info *sb, int reg, u_int8_t val);
100 static int sb_cmd(struct sb_info *sb, u_char val);
101 /* static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); */
102 static int sb_cmd2(struct sb_info *sb, u_char cmd, int val);
103 static u_int sb_get_byte(struct sb_info *sb);
104 static void sb_setmixer(struct sb_info *sb, u_int port, u_int value);
105 static int sb_getmixer(struct sb_info *sb, u_int port);
106 static int sb_reset_dsp(struct sb_info *sb);
107
108 static void sb_intr(void *arg);
109 #endif
110
111 /*
112 * Common code for the midi and pcm functions
113 *
114 * sb_cmd write a single byte to the CMD port.
115 * sb_cmd1 write a CMD + 1 byte arg
116 * sb_cmd2 write a CMD + 2 byte arg
117 * sb_get_byte returns a single byte from the DSP data port
118 */
119
120 static void
121 sb_lock(struct sb_info *sb) {
122
123 sbc_lock(device_get_softc(sb->parent_dev));
124 }
125
126 static void
127 sb_lockassert(struct sb_info *sb) {
128
129 sbc_lockassert(device_get_softc(sb->parent_dev));
130 }
131
132 static void
133 sb_unlock(struct sb_info *sb) {
134
135 sbc_unlock(device_get_softc(sb->parent_dev));
136 }
137
138 static int
139 port_rd(struct resource *port, int off)
140 {
141 return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off);
142 }
143
144 static void
145 port_wr(struct resource *port, int off, u_int8_t data)
146 {
147 bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data);
148 }
149
150 static int
151 sb_rd(struct sb_info *sb, int reg)
152 {
153 return port_rd(sb->io_base, reg);
154 }
155
156 static void
157 sb_wr(struct sb_info *sb, int reg, u_int8_t val)
158 {
159 port_wr(sb->io_base, reg, val);
160 }
161
162 static int
163 sb_dspwr(struct sb_info *sb, u_char val)
164 {
165 int i;
166
167 for (i = 0; i < 1000; i++) {
168 if ((sb_rd(sb, SBDSP_STATUS) & 0x80))
169 DELAY((i > 100)? 1000 : 10);
170 else {
171 sb_wr(sb, SBDSP_CMD, val);
172 return 1;
173 }
174 }
175 #if __FreeBSD_version > 500000
176 if (curthread->td_intr_nesting_level == 0)
177 printf("sb_dspwr(0x%02x) timed out.\n", val);
178 #endif
179 return 0;
180 }
181
182 static int
183 sb_cmd(struct sb_info *sb, u_char val)
184 {
185 #if 0
186 printf("sb_cmd: %x\n", val);
187 #endif
188 return sb_dspwr(sb, val);
189 }
190
191 /*
192 static int
193 sb_cmd1(struct sb_info *sb, u_char cmd, int val)
194 {
195 #if 0
196 printf("sb_cmd1: %x, %x\n", cmd, val);
197 #endif
198 if (sb_dspwr(sb, cmd)) {
199 return sb_dspwr(sb, val & 0xff);
200 } else return 0;
201 }
202 */
203
204 static int
205 sb_cmd2(struct sb_info *sb, u_char cmd, int val)
206 {
207 int r;
208
209 #if 0
210 printf("sb_cmd2: %x, %x\n", cmd, val);
211 #endif
212 sb_lockassert(sb);
213 r = 0;
214 if (sb_dspwr(sb, cmd)) {
215 if (sb_dspwr(sb, val & 0xff)) {
216 if (sb_dspwr(sb, (val >> 8) & 0xff)) {
217 r = 1;
218 }
219 }
220 }
221
222 return r;
223 }
224
225 /*
226 * in the SB, there is a set of indirect "mixer" registers with
227 * address at offset 4, data at offset 5
228 */
229 static void
230 sb_setmixer(struct sb_info *sb, u_int port, u_int value)
231 {
232 sb_lock(sb);
233 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
234 DELAY(10);
235 sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff));
236 DELAY(10);
237 sb_unlock(sb);
238 }
239
240 static int
241 sb_getmixer(struct sb_info *sb, u_int port)
242 {
243 int val;
244
245 sb_lockassert(sb);
246 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
247 DELAY(10);
248 val = sb_rd(sb, SB_MIX_DATA);
249 DELAY(10);
250
251 return val;
252 }
253
254 static u_int
255 sb_get_byte(struct sb_info *sb)
256 {
257 int i;
258
259 for (i = 1000; i > 0; i--) {
260 if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80)
261 return sb_rd(sb, DSP_READ);
262 else
263 DELAY(20);
264 }
265 return 0xffff;
266 }
267
268 static int
269 sb_reset_dsp(struct sb_info *sb)
270 {
271 u_char b;
272
273 sb_lockassert(sb);
274 sb_wr(sb, SBDSP_RST, 3);
275 DELAY(100);
276 sb_wr(sb, SBDSP_RST, 0);
277 b = sb_get_byte(sb);
278 if (b != 0xAA) {
279 DEB(printf("sb_reset_dsp 0x%lx failed\n",
280 rman_get_start(sb->io_base)));
281 return ENXIO; /* Sorry */
282 }
283 return 0;
284 }
285
286 /************************************************************/
287
288 struct sb16_mixent {
289 int reg;
290 int bits;
291 int ofs;
292 int stereo;
293 };
294
295 static const struct sb16_mixent sb16_mixtab[32] = {
296 [SOUND_MIXER_VOLUME] = { 0x30, 5, 3, 1 },
297 [SOUND_MIXER_PCM] = { 0x32, 5, 3, 1 },
298 [SOUND_MIXER_SYNTH] = { 0x34, 5, 3, 1 },
299 [SOUND_MIXER_CD] = { 0x36, 5, 3, 1 },
300 [SOUND_MIXER_LINE] = { 0x38, 5, 3, 1 },
301 [SOUND_MIXER_MIC] = { 0x3a, 5, 3, 0 },
302 [SOUND_MIXER_SPEAKER] = { 0x3b, 5, 3, 0 },
303 [SOUND_MIXER_IGAIN] = { 0x3f, 2, 6, 1 },
304 [SOUND_MIXER_OGAIN] = { 0x41, 2, 6, 1 },
305 [SOUND_MIXER_TREBLE] = { 0x44, 4, 4, 1 },
306 [SOUND_MIXER_BASS] = { 0x46, 4, 4, 1 },
307 [SOUND_MIXER_LINE1] = { 0x52, 5, 3, 1 }
308 };
309
310 static int
311 sb16mix_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_SPEAKER |
316 SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD |
317 SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | SOUND_MASK_LINE1 |
318 SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE);
319
320 mix_setrecdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_LINE |
321 SOUND_MASK_LINE1 | SOUND_MASK_MIC | SOUND_MASK_CD);
322
323 sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */
324
325 sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */
326 sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */
327
328 return 0;
329 }
330
331 static int
332 rel2abs_volume(int x, int max)
333 {
334 int temp;
335
336 temp = ((x * max) + 50) / 100;
337 if (temp > max)
338 temp = max;
339 else if (temp < 0)
340 temp = 0;
341 return (temp);
342 }
343
344 static int
345 sb16mix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
346 {
347 struct sb_info *sb = mix_getdevinfo(m);
348 const struct sb16_mixent *e;
349 int max;
350
351 e = &sb16_mixtab[dev];
352 max = (1 << e->bits) - 1;
353
354 left = rel2abs_volume(left, max);
355 right = rel2abs_volume(right, max);
356
357 sb_setmixer(sb, e->reg, left << e->ofs);
358 if (e->stereo)
359 sb_setmixer(sb, e->reg + 1, right << e->ofs);
360 else
361 right = left;
362
363 left = (left * 100) / max;
364 right = (right * 100) / max;
365
366 return left | (right << 8);
367 }
368
369 static int
370 sb16mix_setrecsrc(struct snd_mixer *m, u_int32_t src)
371 {
372 struct sb_info *sb = mix_getdevinfo(m);
373 u_char recdev;
374
375 recdev = 0;
376 if (src & SOUND_MASK_MIC)
377 recdev |= 0x01; /* mono mic */
378
379 if (src & SOUND_MASK_CD)
380 recdev |= 0x06; /* l+r cd */
381
382 if (src & SOUND_MASK_LINE)
383 recdev |= 0x18; /* l+r line */
384
385 if (src & SOUND_MASK_SYNTH)
386 recdev |= 0x60; /* l+r midi */
387
388 sb_setmixer(sb, SB16_IMASK_L, recdev);
389 sb_setmixer(sb, SB16_IMASK_R, recdev);
390
391 /* Switch on/off FM tuner source */
392 if (src & SOUND_MASK_LINE1)
393 sb_setmixer(sb, 0x4a, 0x0c);
394 else
395 sb_setmixer(sb, 0x4a, 0x00);
396
397 /*
398 * since the same volume controls apply to the input and
399 * output sections, the best approach to have a consistent
400 * behaviour among cards would be to disable the output path
401 * on devices which are used to record.
402 * However, since users like to have feedback, we only disable
403 * the mic -- permanently.
404 */
405 sb_setmixer(sb, SB16_OMASK, 0x1f & ~1);
406
407 return src;
408 }
409
410 static kobj_method_t sb16mix_mixer_methods[] = {
411 KOBJMETHOD(mixer_init, sb16mix_init),
412 KOBJMETHOD(mixer_set, sb16mix_set),
413 KOBJMETHOD(mixer_setrecsrc, sb16mix_setrecsrc),
414 { 0, 0 }
415 };
416 MIXER_DECLARE(sb16mix_mixer);
417
418 /************************************************************/
419
420 static void
421 sb16_release_resources(struct sb_info *sb, device_t dev)
422 {
423 if (sb->irq) {
424 if (sb->ih)
425 bus_teardown_intr(dev, sb->irq, sb->ih);
426 bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq);
427 sb->irq = 0;
428 }
429 if (sb->drq2) {
430 if (sb->drq2 != sb->drq1) {
431 isa_dma_release(rman_get_start(sb->drq2));
432 bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2);
433 }
434 sb->drq2 = 0;
435 }
436 if (sb->drq1) {
437 isa_dma_release(rman_get_start(sb->drq1));
438 bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1);
439 sb->drq1 = 0;
440 }
441 if (sb->io_base) {
442 bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base);
443 sb->io_base = 0;
444 }
445 if (sb->parent_dmat) {
446 bus_dma_tag_destroy(sb->parent_dmat);
447 sb->parent_dmat = 0;
448 }
449 free(sb, M_DEVBUF);
450 }
451
452 static int
453 sb16_alloc_resources(struct sb_info *sb, device_t dev)
454 {
455 int rid;
456
457 rid = 0;
458 if (!sb->io_base)
459 sb->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
460 &rid, RF_ACTIVE);
461
462 rid = 0;
463 if (!sb->irq)
464 sb->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
465 RF_ACTIVE);
466
467 rid = 0;
468 if (!sb->drq1)
469 sb->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
470 RF_ACTIVE);
471
472 rid = 1;
473 if (!sb->drq2)
474 sb->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
475 RF_ACTIVE);
476
477 if (sb->io_base && sb->drq1 && sb->irq) {
478 isa_dma_acquire(rman_get_start(sb->drq1));
479 isa_dmainit(rman_get_start(sb->drq1), sb->bufsize);
480
481 if (sb->drq2) {
482 isa_dma_acquire(rman_get_start(sb->drq2));
483 isa_dmainit(rman_get_start(sb->drq2), sb->bufsize);
484 } else {
485 sb->drq2 = sb->drq1;
486 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
487 }
488 return 0;
489 } else return ENXIO;
490 }
491
492 /* sbc does locking for us */
493 static void
494 sb_intr(void *arg)
495 {
496 struct sb_info *sb = (struct sb_info *)arg;
497 int reason = 3, c;
498
499 /*
500 * The Vibra16X has separate flags for 8 and 16 bit transfers, but
501 * I have no idea how to tell capture from playback interrupts...
502 */
503
504 reason = 0;
505 sb_lock(sb);
506 c = sb_getmixer(sb, IRQ_STAT);
507 if (c & 1)
508 sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */
509
510 if (c & 2)
511 sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */
512 sb_unlock(sb);
513
514 /*
515 * this tells us if the source is 8-bit or 16-bit dma. We
516 * have to check the io channel to map it to read or write...
517 */
518
519 if (sb->bd_flags & BD_F_SB16X) {
520 if (c & 1) { /* 8-bit format */
521 if (sb->pch.fmt & AFMT_8BIT)
522 reason |= 1;
523 if (sb->rch.fmt & AFMT_8BIT)
524 reason |= 2;
525 }
526 if (c & 2) { /* 16-bit format */
527 if (sb->pch.fmt & AFMT_16BIT)
528 reason |= 1;
529 if (sb->rch.fmt & AFMT_16BIT)
530 reason |= 2;
531 }
532 } else {
533 if (c & 1) { /* 8-bit dma */
534 if (sb->pch.dch == 1)
535 reason |= 1;
536 if (sb->rch.dch == 1)
537 reason |= 2;
538 }
539 if (c & 2) { /* 16-bit dma */
540 if (sb->pch.dch == 2)
541 reason |= 1;
542 if (sb->rch.dch == 2)
543 reason |= 2;
544 }
545 }
546 #if 0
547 printf("sb_intr: reason=%d c=0x%x\n", reason, c);
548 #endif
549 if ((reason & 1) && (sb->pch.run))
550 chn_intr(sb->pch.channel);
551
552 if ((reason & 2) && (sb->rch.run))
553 chn_intr(sb->rch.channel);
554 }
555
556 static int
557 sb_setup(struct sb_info *sb)
558 {
559 struct sb_chinfo *ch;
560 u_int8_t v;
561 int l, pprio;
562
563 sb_lock(sb);
564 if (sb->bd_flags & BD_F_DMARUN)
565 sndbuf_dma(sb->pch.buffer, PCMTRIG_STOP);
566 if (sb->bd_flags & BD_F_DMARUN2)
567 sndbuf_dma(sb->rch.buffer, PCMTRIG_STOP);
568 sb->bd_flags &= ~(BD_F_DMARUN | BD_F_DMARUN2);
569
570 sb_reset_dsp(sb);
571
572 if (sb->bd_flags & BD_F_SB16X) {
573 pprio = sb->pch.run? 1 : 0;
574 sndbuf_dmasetup(sb->pch.buffer, pprio? sb->drq1 : NULL);
575 sb->pch.dch = pprio? 1 : 0;
576 sndbuf_dmasetup(sb->rch.buffer, pprio? sb->drq2 : sb->drq1);
577 sb->rch.dch = pprio? 2 : 1;
578 } else {
579 if (sb->pch.run && sb->rch.run) {
580 pprio = (sb->rch.fmt & AFMT_16BIT)? 0 : 1;
581 sndbuf_dmasetup(sb->pch.buffer, pprio? sb->drq2 : sb->drq1);
582 sb->pch.dch = pprio? 2 : 1;
583 sndbuf_dmasetup(sb->rch.buffer, pprio? sb->drq1 : sb->drq2);
584 sb->rch.dch = pprio? 1 : 2;
585 } else {
586 if (sb->pch.run) {
587 sndbuf_dmasetup(sb->pch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
588 sb->pch.dch = (sb->pch.fmt & AFMT_16BIT)? 2 : 1;
589 sndbuf_dmasetup(sb->rch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
590 sb->rch.dch = (sb->pch.fmt & AFMT_16BIT)? 1 : 2;
591 } else if (sb->rch.run) {
592 sndbuf_dmasetup(sb->pch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
593 sb->pch.dch = (sb->rch.fmt & AFMT_16BIT)? 1 : 2;
594 sndbuf_dmasetup(sb->rch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
595 sb->rch.dch = (sb->rch.fmt & AFMT_16BIT)? 2 : 1;
596 }
597 }
598 }
599
600 sndbuf_dmasetdir(sb->pch.buffer, PCMDIR_PLAY);
601 sndbuf_dmasetdir(sb->rch.buffer, PCMDIR_REC);
602
603 /*
604 printf("setup: [pch = %d, pfmt = %d, pgo = %d] [rch = %d, rfmt = %d, rgo = %d]\n",
605 sb->pch.dch, sb->pch.fmt, sb->pch.run, sb->rch.dch, sb->rch.fmt, sb->rch.run);
606 */
607
608 ch = &sb->pch;
609 if (ch->run) {
610 l = ch->blksz;
611 if (ch->fmt & AFMT_16BIT)
612 l >>= 1;
613 l--;
614
615 /* play speed */
616 RANGE(ch->spd, 5000, 45000);
617 sb_cmd(sb, DSP_CMD_OUT16);
618 sb_cmd(sb, ch->spd >> 8);
619 sb_cmd(sb, ch->spd & 0xff);
620
621 /* play format, length */
622 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_DAC;
623 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
624 sb_cmd(sb, v);
625
626 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0;
627 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
628 sb_cmd2(sb, v, l);
629 sndbuf_dma(ch->buffer, PCMTRIG_START);
630 sb->bd_flags |= BD_F_DMARUN;
631 }
632
633 ch = &sb->rch;
634 if (ch->run) {
635 l = ch->blksz;
636 if (ch->fmt & AFMT_16BIT)
637 l >>= 1;
638 l--;
639
640 /* record speed */
641 RANGE(ch->spd, 5000, 45000);
642 sb_cmd(sb, DSP_CMD_IN16);
643 sb_cmd(sb, ch->spd >> 8);
644 sb_cmd(sb, ch->spd & 0xff);
645
646 /* record format, length */
647 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_ADC;
648 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
649 sb_cmd(sb, v);
650
651 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0;
652 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
653 sb_cmd2(sb, v, l);
654 sndbuf_dma(ch->buffer, PCMTRIG_START);
655 sb->bd_flags |= BD_F_DMARUN2;
656 }
657 sb_unlock(sb);
658
659 return 0;
660 }
661
662 /* channel interface */
663 static void *
664 sb16chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
665 {
666 struct sb_info *sb = devinfo;
667 struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch;
668
669 ch->parent = sb;
670 ch->channel = c;
671 ch->buffer = b;
672 ch->dir = dir;
673
674 if (sndbuf_alloc(ch->buffer, sb->parent_dmat, sb->bufsize) != 0)
675 return NULL;
676
677 return ch;
678 }
679
680 static int
681 sb16chan_setformat(kobj_t obj, void *data, u_int32_t format)
682 {
683 struct sb_chinfo *ch = data;
684 struct sb_info *sb = ch->parent;
685
686 ch->fmt = format;
687 sb->prio = ch->dir;
688 sb->prio16 = (ch->fmt & AFMT_16BIT)? 1 : 0;
689
690 return 0;
691 }
692
693 static int
694 sb16chan_setspeed(kobj_t obj, void *data, u_int32_t speed)
695 {
696 struct sb_chinfo *ch = data;
697
698 ch->spd = speed;
699 return speed;
700 }
701
702 static int
703 sb16chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
704 {
705 struct sb_chinfo *ch = data;
706
707 ch->blksz = blocksize;
708 return ch->blksz;
709 }
710
711 static int
712 sb16chan_trigger(kobj_t obj, void *data, int go)
713 {
714 struct sb_chinfo *ch = data;
715 struct sb_info *sb = ch->parent;
716
717 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
718 return 0;
719
720 if (go == PCMTRIG_START)
721 ch->run = 1;
722 else
723 ch->run = 0;
724
725 sb_setup(sb);
726
727 return 0;
728 }
729
730 static int
731 sb16chan_getptr(kobj_t obj, void *data)
732 {
733 struct sb_chinfo *ch = data;
734
735 return sndbuf_dmaptr(ch->buffer);
736 }
737
738 static struct pcmchan_caps *
739 sb16chan_getcaps(kobj_t obj, void *data)
740 {
741 struct sb_chinfo *ch = data;
742 struct sb_info *sb = ch->parent;
743
744 if ((sb->prio == 0) || (sb->prio == ch->dir))
745 return &sb16x_caps;
746 else
747 return sb->prio16? &sb16_caps8 : &sb16_caps16;
748 }
749
750 static int
751 sb16chan_resetdone(kobj_t obj, void *data)
752 {
753 struct sb_chinfo *ch = data;
754 struct sb_info *sb = ch->parent;
755
756 sb->prio = 0;
757
758 return 0;
759 }
760
761 static kobj_method_t sb16chan_methods[] = {
762 KOBJMETHOD(channel_init, sb16chan_init),
763 KOBJMETHOD(channel_resetdone, sb16chan_resetdone),
764 KOBJMETHOD(channel_setformat, sb16chan_setformat),
765 KOBJMETHOD(channel_setspeed, sb16chan_setspeed),
766 KOBJMETHOD(channel_setblocksize, sb16chan_setblocksize),
767 KOBJMETHOD(channel_trigger, sb16chan_trigger),
768 KOBJMETHOD(channel_getptr, sb16chan_getptr),
769 KOBJMETHOD(channel_getcaps, sb16chan_getcaps),
770 { 0, 0 }
771 };
772 CHANNEL_DECLARE(sb16chan);
773
774 /************************************************************/
775
776 static int
777 sb16_probe(device_t dev)
778 {
779 char buf[64];
780 uintptr_t func, ver, r, f;
781
782 /* The parent device has already been probed. */
783 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
784 if (func != SCF_PCM)
785 return (ENXIO);
786
787 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
788 f = (ver & 0xffff0000) >> 16;
789 ver &= 0x0000ffff;
790 if (f & BD_F_SB16) {
791 snprintf(buf, sizeof buf, "SB16 DSP %d.%02d%s", (int) ver >> 8, (int) ver & 0xff,
792 (f & BD_F_SB16X)? " (ViBRA16X)" : "");
793 device_set_desc_copy(dev, buf);
794 return 0;
795 } else
796 return (ENXIO);
797 }
798
799 static int
800 sb16_attach(device_t dev)
801 {
802 struct sb_info *sb;
803 uintptr_t ver;
804 char status[SND_STATUSLEN], status2[SND_STATUSLEN];
805
806 sb = (struct sb_info *)malloc(sizeof *sb, M_DEVBUF, M_NOWAIT | M_ZERO);
807 if (!sb)
808 return ENXIO;
809
810 sb->parent_dev = device_get_parent(dev);
811 BUS_READ_IVAR(sb->parent_dev, dev, 1, &ver);
812 sb->bd_id = ver & 0x0000ffff;
813 sb->bd_flags = (ver & 0xffff0000) >> 16;
814 sb->bufsize = pcm_getbuffersize(dev, 4096, SB16_BUFFSIZE, 65536);
815
816 if (sb16_alloc_resources(sb, dev))
817 goto no;
818 sb_lock(sb);
819 if (sb_reset_dsp(sb)) {
820 sb_unlock(sb);
821 goto no;
822 }
823 sb_unlock(sb);
824 if (mixer_init(dev, &sb16mix_mixer_class, sb))
825 goto no;
826 if (snd_setup_intr(dev, sb->irq, 0, sb_intr, sb, &sb->ih))
827 goto no;
828
829 if (sb->bd_flags & BD_F_SB16X)
830 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
831
832 sb->prio = 0;
833
834 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
835 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
836 /*highaddr*/BUS_SPACE_MAXADDR,
837 /*filter*/NULL, /*filterarg*/NULL,
838 /*maxsize*/sb->bufsize, /*nsegments*/1,
839 /*maxsegz*/0x3ffff, /*flags*/0,
840 /*lockfunc*/busdma_lock_mutex, /*lockarg*/&Giant,
841 &sb->parent_dmat) != 0) {
842 device_printf(dev, "unable to create dma tag\n");
843 goto no;
844 }
845
846 if (!(pcm_getflags(dev) & SD_F_SIMPLEX))
847 snprintf(status2, SND_STATUSLEN, ":%ld", rman_get_start(sb->drq2));
848 else
849 status2[0] = '\0';
850
851 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %ud %s",
852 rman_get_start(sb->io_base), rman_get_start(sb->irq),
853 rman_get_start(sb->drq1), status2, sb->bufsize,
854 PCM_KLDSTRING(snd_sb16));
855
856 if (pcm_register(dev, sb, 1, 1))
857 goto no;
858 pcm_addchan(dev, PCMDIR_REC, &sb16chan_class, sb);
859 pcm_addchan(dev, PCMDIR_PLAY, &sb16chan_class, sb);
860
861 pcm_setstatus(dev, status);
862
863 return 0;
864
865 no:
866 sb16_release_resources(sb, dev);
867 return ENXIO;
868 }
869
870 static int
871 sb16_detach(device_t dev)
872 {
873 int r;
874 struct sb_info *sb;
875
876 r = pcm_unregister(dev);
877 if (r)
878 return r;
879
880 sb = pcm_getdevinfo(dev);
881 sb16_release_resources(sb, dev);
882 return 0;
883 }
884
885 static device_method_t sb16_methods[] = {
886 /* Device interface */
887 DEVMETHOD(device_probe, sb16_probe),
888 DEVMETHOD(device_attach, sb16_attach),
889 DEVMETHOD(device_detach, sb16_detach),
890
891 { 0, 0 }
892 };
893
894 static driver_t sb16_driver = {
895 "pcm",
896 sb16_methods,
897 PCM_SOFTC_SIZE,
898 };
899
900 DRIVER_MODULE(snd_sb16, sbc, sb16_driver, pcm_devclass, 0, 0);
901 MODULE_DEPEND(snd_sb16, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
902 MODULE_DEPEND(snd_sb16, snd_sbc, 1, 1, 1);
903 MODULE_VERSION(snd_sb16, 1);
Cache object: 71da5eb65afad35fd7a2f420629d3afc
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