FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/isa/sb16.c
1 /*
2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
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 "mixer_if.h"
38
39 SND_DECLARE_FILE("$FreeBSD$");
40
41 #define SB16_BUFFSIZE 4096
42 #define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16)
43
44 static u_int32_t sb16_fmt8[] = {
45 AFMT_U8,
46 AFMT_STEREO | AFMT_U8,
47 0
48 };
49 static struct pcmchan_caps sb16_caps8 = {5000, 45000, sb16_fmt8, 0};
50
51 static u_int32_t sb16_fmt16[] = {
52 AFMT_S16_LE,
53 AFMT_STEREO | AFMT_S16_LE,
54 0
55 };
56 static struct pcmchan_caps sb16_caps16 = {5000, 45000, sb16_fmt16, 0};
57
58 static u_int32_t sb16x_fmt[] = {
59 AFMT_U8,
60 AFMT_STEREO | AFMT_U8,
61 AFMT_S16_LE,
62 AFMT_STEREO | AFMT_S16_LE,
63 0
64 };
65 static struct pcmchan_caps sb16x_caps = {5000, 49000, sb16x_fmt, 0};
66
67 struct sb_info;
68
69 struct sb_chinfo {
70 struct sb_info *parent;
71 struct pcm_channel *channel;
72 struct snd_dbuf *buffer;
73 int dir, run, dch;
74 u_int32_t fmt, spd, blksz;
75 };
76
77 struct sb_info {
78 struct resource *io_base; /* I/O address for the board */
79 struct resource *irq;
80 struct resource *drq1;
81 struct resource *drq2;
82 void *ih;
83 bus_dma_tag_t parent_dmat;
84
85 unsigned int bufsize;
86 int bd_id;
87 u_long bd_flags; /* board-specific flags */
88 int prio, prio16;
89 struct sb_chinfo pch, rch;
90 device_t parent_dev;
91 };
92
93 #if 0
94 static void sb_lock(struct sb_info *sb);
95 static void sb_unlock(struct sb_info *sb);
96 static int sb_rd(struct sb_info *sb, int reg);
97 static void sb_wr(struct sb_info *sb, int reg, u_int8_t val);
98 static int sb_cmd(struct sb_info *sb, u_char val);
99 /* static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); */
100 static int sb_cmd2(struct sb_info *sb, u_char cmd, int val);
101 static u_int sb_get_byte(struct sb_info *sb);
102 static void sb_setmixer(struct sb_info *sb, u_int port, u_int value);
103 static int sb_getmixer(struct sb_info *sb, u_int port);
104 static int sb_reset_dsp(struct sb_info *sb);
105
106 static void sb_intr(void *arg);
107 #endif
108
109 /*
110 * Common code for the midi and pcm functions
111 *
112 * sb_cmd write a single byte to the CMD port.
113 * sb_cmd1 write a CMD + 1 byte arg
114 * sb_cmd2 write a CMD + 2 byte arg
115 * sb_get_byte returns a single byte from the DSP data port
116 */
117
118 static void
119 sb_lock(struct sb_info *sb) {
120
121 sbc_lock(device_get_softc(sb->parent_dev));
122 }
123
124 static void
125 sb_unlock(struct sb_info *sb) {
126
127 sbc_unlock(device_get_softc(sb->parent_dev));
128 }
129
130 static int
131 port_rd(struct resource *port, int off)
132 {
133 return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off);
134 }
135
136 static void
137 port_wr(struct resource *port, int off, u_int8_t data)
138 {
139 bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data);
140 }
141
142 static int
143 sb_rd(struct sb_info *sb, int reg)
144 {
145 return port_rd(sb->io_base, reg);
146 }
147
148 static void
149 sb_wr(struct sb_info *sb, int reg, u_int8_t val)
150 {
151 port_wr(sb->io_base, reg, val);
152 }
153
154 static int
155 sb_dspwr(struct sb_info *sb, u_char val)
156 {
157 int i;
158
159 for (i = 0; i < 1000; i++) {
160 if ((sb_rd(sb, SBDSP_STATUS) & 0x80))
161 DELAY((i > 100)? 1000 : 10);
162 else {
163 sb_wr(sb, SBDSP_CMD, val);
164 return 1;
165 }
166 }
167 #if __FreeBSD_version > 500000
168 if (curthread->td_intr_nesting_level == 0)
169 printf("sb_dspwr(0x%02x) timed out.\n", val);
170 #endif
171 return 0;
172 }
173
174 static int
175 sb_cmd(struct sb_info *sb, u_char val)
176 {
177 #if 0
178 printf("sb_cmd: %x\n", val);
179 #endif
180 return sb_dspwr(sb, val);
181 }
182
183 /*
184 static int
185 sb_cmd1(struct sb_info *sb, u_char cmd, int val)
186 {
187 #if 0
188 printf("sb_cmd1: %x, %x\n", cmd, val);
189 #endif
190 if (sb_dspwr(sb, cmd)) {
191 return sb_dspwr(sb, val & 0xff);
192 } else return 0;
193 }
194 */
195
196 static int
197 sb_cmd2(struct sb_info *sb, u_char cmd, int val)
198 {
199 int r;
200
201 #if 0
202 printf("sb_cmd2: %x, %x\n", cmd, val);
203 #endif
204 sb_lock(sb);
205 r = 0;
206 if (sb_dspwr(sb, cmd)) {
207 if (sb_dspwr(sb, val & 0xff)) {
208 if (sb_dspwr(sb, (val >> 8) & 0xff)) {
209 r = 1;
210 }
211 }
212 }
213 sb_unlock(sb);
214
215 return r;
216 }
217
218 /*
219 * in the SB, there is a set of indirect "mixer" registers with
220 * address at offset 4, data at offset 5
221 */
222 static void
223 sb_setmixer(struct sb_info *sb, u_int port, u_int value)
224 {
225 sb_lock(sb);
226 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
227 DELAY(10);
228 sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff));
229 DELAY(10);
230 sb_unlock(sb);
231 }
232
233 static int
234 sb_getmixer(struct sb_info *sb, u_int port)
235 {
236 int val;
237
238 sb_lock(sb);
239 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
240 DELAY(10);
241 val = sb_rd(sb, SB_MIX_DATA);
242 DELAY(10);
243 sb_unlock(sb);
244
245 return val;
246 }
247
248 static u_int
249 sb_get_byte(struct sb_info *sb)
250 {
251 int i;
252
253 for (i = 1000; i > 0; i--) {
254 if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80)
255 return sb_rd(sb, DSP_READ);
256 else
257 DELAY(20);
258 }
259 return 0xffff;
260 }
261
262 static int
263 sb_reset_dsp(struct sb_info *sb)
264 {
265 u_char b;
266
267 sb_lock(sb);
268 sb_wr(sb, SBDSP_RST, 3);
269 DELAY(100);
270 sb_wr(sb, SBDSP_RST, 0);
271 b = sb_get_byte(sb);
272 sb_unlock(sb);
273 if (b != 0xAA) {
274 DEB(printf("sb_reset_dsp 0x%lx failed\n",
275 rman_get_start(sb->io_base)));
276 return ENXIO; /* Sorry */
277 }
278 return 0;
279 }
280
281 /************************************************************/
282
283 struct sb16_mixent {
284 int reg;
285 int bits;
286 int ofs;
287 int stereo;
288 };
289
290 static const struct sb16_mixent sb16_mixtab[32] = {
291 [SOUND_MIXER_VOLUME] = { 0x30, 5, 3, 1 },
292 [SOUND_MIXER_PCM] = { 0x32, 5, 3, 1 },
293 [SOUND_MIXER_SYNTH] = { 0x34, 5, 3, 1 },
294 [SOUND_MIXER_CD] = { 0x36, 5, 3, 1 },
295 [SOUND_MIXER_LINE] = { 0x38, 5, 3, 1 },
296 [SOUND_MIXER_MIC] = { 0x3a, 5, 3, 0 },
297 [SOUND_MIXER_SPEAKER] = { 0x3b, 5, 3, 0 },
298 [SOUND_MIXER_IGAIN] = { 0x3f, 2, 6, 1 },
299 [SOUND_MIXER_OGAIN] = { 0x41, 2, 6, 1 },
300 [SOUND_MIXER_TREBLE] = { 0x44, 4, 4, 1 },
301 [SOUND_MIXER_BASS] = { 0x46, 4, 4, 1 },
302 [SOUND_MIXER_LINE1] = { 0x52, 5, 3, 1 }
303 };
304
305 static int
306 sb16mix_init(struct snd_mixer *m)
307 {
308 struct sb_info *sb = mix_getdevinfo(m);
309
310 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER |
311 SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD |
312 SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | SOUND_MASK_LINE1 |
313 SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE);
314
315 mix_setrecdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_LINE |
316 SOUND_MASK_LINE1 | SOUND_MASK_MIC | SOUND_MASK_CD);
317
318 sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */
319
320 sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */
321 sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */
322
323 return 0;
324 }
325
326 static int
327 sb16mix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
328 {
329 struct sb_info *sb = mix_getdevinfo(m);
330 const struct sb16_mixent *e;
331 int max;
332
333 e = &sb16_mixtab[dev];
334 max = (1 << e->bits) - 1;
335
336 left = (left * max) / 100;
337 right = (right * max) / 100;
338
339 sb_setmixer(sb, e->reg, left << e->ofs);
340 if (e->stereo)
341 sb_setmixer(sb, e->reg + 1, right << e->ofs);
342 else
343 right = left;
344
345 left = (left * 100) / max;
346 right = (right * 100) / max;
347
348 return left | (right << 8);
349 }
350
351 static int
352 sb16mix_setrecsrc(struct snd_mixer *m, u_int32_t src)
353 {
354 struct sb_info *sb = mix_getdevinfo(m);
355 u_char recdev;
356
357 recdev = 0;
358 if (src & SOUND_MASK_MIC)
359 recdev |= 0x01; /* mono mic */
360
361 if (src & SOUND_MASK_CD)
362 recdev |= 0x06; /* l+r cd */
363
364 if (src & SOUND_MASK_LINE)
365 recdev |= 0x18; /* l+r line */
366
367 if (src & SOUND_MASK_SYNTH)
368 recdev |= 0x60; /* l+r midi */
369
370 sb_setmixer(sb, SB16_IMASK_L, recdev);
371 sb_setmixer(sb, SB16_IMASK_R, recdev);
372
373 /* Switch on/off FM tuner source */
374 if (src & SOUND_MASK_LINE1)
375 sb_setmixer(sb, 0x4a, 0x0c);
376 else
377 sb_setmixer(sb, 0x4a, 0x00);
378
379 /*
380 * since the same volume controls apply to the input and
381 * output sections, the best approach to have a consistent
382 * behaviour among cards would be to disable the output path
383 * on devices which are used to record.
384 * However, since users like to have feedback, we only disable
385 * the mic -- permanently.
386 */
387 sb_setmixer(sb, SB16_OMASK, 0x1f & ~1);
388
389 return src;
390 }
391
392 static kobj_method_t sb16mix_mixer_methods[] = {
393 KOBJMETHOD(mixer_init, sb16mix_init),
394 KOBJMETHOD(mixer_set, sb16mix_set),
395 KOBJMETHOD(mixer_setrecsrc, sb16mix_setrecsrc),
396 { 0, 0 }
397 };
398 MIXER_DECLARE(sb16mix_mixer);
399
400 /************************************************************/
401
402 static void
403 sb16_release_resources(struct sb_info *sb, device_t dev)
404 {
405 if (sb->irq) {
406 if (sb->ih)
407 bus_teardown_intr(dev, sb->irq, sb->ih);
408 bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq);
409 sb->irq = 0;
410 }
411 if (sb->drq2) {
412 if (sb->drq2 != sb->drq1) {
413 isa_dma_release(rman_get_start(sb->drq2));
414 bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2);
415 }
416 sb->drq2 = 0;
417 }
418 if (sb->drq1) {
419 isa_dma_release(rman_get_start(sb->drq1));
420 bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1);
421 sb->drq1 = 0;
422 }
423 if (sb->io_base) {
424 bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base);
425 sb->io_base = 0;
426 }
427 if (sb->parent_dmat) {
428 bus_dma_tag_destroy(sb->parent_dmat);
429 sb->parent_dmat = 0;
430 }
431 free(sb, M_DEVBUF);
432 }
433
434 static int
435 sb16_alloc_resources(struct sb_info *sb, device_t dev)
436 {
437 int rid;
438
439 rid = 0;
440 if (!sb->io_base)
441 sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE);
442
443 rid = 0;
444 if (!sb->irq)
445 sb->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE);
446
447 rid = 0;
448 if (!sb->drq1)
449 sb->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 0, ~0, 1, RF_ACTIVE);
450
451 rid = 1;
452 if (!sb->drq2)
453 sb->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 0, ~0, 1, RF_ACTIVE);
454
455 if (sb->io_base && sb->drq1 && sb->irq) {
456 isa_dma_acquire(rman_get_start(sb->drq1));
457 isa_dmainit(rman_get_start(sb->drq1), sb->bufsize);
458
459 if (sb->drq2) {
460 isa_dma_acquire(rman_get_start(sb->drq2));
461 isa_dmainit(rman_get_start(sb->drq2), sb->bufsize);
462 } else {
463 sb->drq2 = sb->drq1;
464 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
465 }
466 return 0;
467 } else return ENXIO;
468 }
469
470 /* sbc does locking for us */
471 static void
472 sb_intr(void *arg)
473 {
474 struct sb_info *sb = (struct sb_info *)arg;
475 int reason = 3, c;
476
477 /*
478 * The Vibra16X has separate flags for 8 and 16 bit transfers, but
479 * I have no idea how to tell capture from playback interrupts...
480 */
481
482 reason = 0;
483 sb_lock(sb);
484 c = sb_getmixer(sb, IRQ_STAT);
485 if (c & 1)
486 sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */
487
488 if (c & 2)
489 sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */
490 sb_unlock(sb);
491
492 /*
493 * this tells us if the source is 8-bit or 16-bit dma. We
494 * have to check the io channel to map it to read or write...
495 */
496
497 if (sb->bd_flags & BD_F_SB16X) {
498 if (c & 1) { /* 8-bit format */
499 if (sb->pch.fmt & AFMT_8BIT)
500 reason |= 1;
501 if (sb->rch.fmt & AFMT_8BIT)
502 reason |= 2;
503 }
504 if (c & 2) { /* 16-bit format */
505 if (sb->pch.fmt & AFMT_16BIT)
506 reason |= 1;
507 if (sb->rch.fmt & AFMT_16BIT)
508 reason |= 2;
509 }
510 } else {
511 if (c & 1) { /* 8-bit dma */
512 if (sb->pch.dch == 1)
513 reason |= 1;
514 if (sb->rch.dch == 1)
515 reason |= 2;
516 }
517 if (c & 2) { /* 16-bit dma */
518 if (sb->pch.dch == 2)
519 reason |= 1;
520 if (sb->rch.dch == 2)
521 reason |= 2;
522 }
523 }
524 #if 0
525 printf("sb_intr: reason=%d c=0x%x\n", reason, c);
526 #endif
527 if ((reason & 1) && (sb->pch.run))
528 chn_intr(sb->pch.channel);
529
530 if ((reason & 2) && (sb->rch.run))
531 chn_intr(sb->rch.channel);
532 }
533
534 static int
535 sb_setup(struct sb_info *sb)
536 {
537 struct sb_chinfo *ch;
538 u_int8_t v;
539 int l, pprio;
540
541 sb_lock(sb);
542 if (sb->bd_flags & BD_F_DMARUN)
543 sndbuf_isadma(sb->pch.buffer, PCMTRIG_STOP);
544 if (sb->bd_flags & BD_F_DMARUN2)
545 sndbuf_isadma(sb->rch.buffer, PCMTRIG_STOP);
546 sb->bd_flags &= ~(BD_F_DMARUN | BD_F_DMARUN2);
547
548 sb_reset_dsp(sb);
549
550 if (sb->bd_flags & BD_F_SB16X) {
551 pprio = sb->pch.run? 1 : 0;
552 sndbuf_isadmasetup(sb->pch.buffer, pprio? sb->drq1 : NULL);
553 sb->pch.dch = pprio? 1 : 0;
554 sndbuf_isadmasetup(sb->rch.buffer, pprio? sb->drq2 : sb->drq1);
555 sb->rch.dch = pprio? 2 : 1;
556 } else {
557 if (sb->pch.run && sb->rch.run) {
558 pprio = (sb->rch.fmt & AFMT_16BIT)? 0 : 1;
559 sndbuf_isadmasetup(sb->pch.buffer, pprio? sb->drq2 : sb->drq1);
560 sb->pch.dch = pprio? 2 : 1;
561 sndbuf_isadmasetup(sb->rch.buffer, pprio? sb->drq1 : sb->drq2);
562 sb->rch.dch = pprio? 1 : 2;
563 } else {
564 if (sb->pch.run) {
565 sndbuf_isadmasetup(sb->pch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
566 sb->pch.dch = (sb->pch.fmt & AFMT_16BIT)? 2 : 1;
567 sndbuf_isadmasetup(sb->rch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
568 sb->rch.dch = (sb->pch.fmt & AFMT_16BIT)? 1 : 2;
569 } else if (sb->rch.run) {
570 sndbuf_isadmasetup(sb->pch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
571 sb->pch.dch = (sb->rch.fmt & AFMT_16BIT)? 1 : 2;
572 sndbuf_isadmasetup(sb->rch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
573 sb->rch.dch = (sb->rch.fmt & AFMT_16BIT)? 2 : 1;
574 }
575 }
576 }
577
578 sndbuf_isadmasetdir(sb->pch.buffer, PCMDIR_PLAY);
579 sndbuf_isadmasetdir(sb->rch.buffer, PCMDIR_REC);
580
581 /*
582 printf("setup: [pch = %d, pfmt = %d, pgo = %d] [rch = %d, rfmt = %d, rgo = %d]\n",
583 sb->pch.dch, sb->pch.fmt, sb->pch.run, sb->rch.dch, sb->rch.fmt, sb->rch.run);
584 */
585
586 ch = &sb->pch;
587 if (ch->run) {
588 l = ch->blksz;
589 if (ch->fmt & AFMT_16BIT)
590 l >>= 1;
591 l--;
592
593 /* play speed */
594 RANGE(ch->spd, 5000, 45000);
595 sb_cmd(sb, DSP_CMD_OUT16);
596 sb_cmd(sb, ch->spd >> 8);
597 sb_cmd(sb, ch->spd & 0xff);
598
599 /* play format, length */
600 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_DAC;
601 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
602 sb_cmd(sb, v);
603
604 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0;
605 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
606 sb_cmd2(sb, v, l);
607 sndbuf_isadma(ch->buffer, PCMTRIG_START);
608 sb->bd_flags |= BD_F_DMARUN;
609 }
610
611 ch = &sb->rch;
612 if (ch->run) {
613 l = ch->blksz;
614 if (ch->fmt & AFMT_16BIT)
615 l >>= 1;
616 l--;
617
618 /* record speed */
619 RANGE(ch->spd, 5000, 45000);
620 sb_cmd(sb, DSP_CMD_IN16);
621 sb_cmd(sb, ch->spd >> 8);
622 sb_cmd(sb, ch->spd & 0xff);
623
624 /* record format, length */
625 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_ADC;
626 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
627 sb_cmd(sb, v);
628
629 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0;
630 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
631 sb_cmd2(sb, v, l);
632 sndbuf_isadma(ch->buffer, PCMTRIG_START);
633 sb->bd_flags |= BD_F_DMARUN2;
634 }
635 sb_unlock(sb);
636
637 return 0;
638 }
639
640 /* channel interface */
641 static void *
642 sb16chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
643 {
644 struct sb_info *sb = devinfo;
645 struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch;
646
647 ch->parent = sb;
648 ch->channel = c;
649 ch->buffer = b;
650 ch->dir = dir;
651
652 if (sndbuf_alloc(ch->buffer, sb->parent_dmat, sb->bufsize) == -1)
653 return NULL;
654
655 return ch;
656 }
657
658 static int
659 sb16chan_setformat(kobj_t obj, void *data, u_int32_t format)
660 {
661 struct sb_chinfo *ch = data;
662 struct sb_info *sb = ch->parent;
663
664 ch->fmt = format;
665 sb->prio = ch->dir;
666 sb->prio16 = (ch->fmt & AFMT_16BIT)? 1 : 0;
667
668 return 0;
669 }
670
671 static int
672 sb16chan_setspeed(kobj_t obj, void *data, u_int32_t speed)
673 {
674 struct sb_chinfo *ch = data;
675
676 ch->spd = speed;
677 return speed;
678 }
679
680 static int
681 sb16chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
682 {
683 struct sb_chinfo *ch = data;
684
685 ch->blksz = blocksize;
686 return ch->blksz;
687 }
688
689 static int
690 sb16chan_trigger(kobj_t obj, void *data, int go)
691 {
692 struct sb_chinfo *ch = data;
693 struct sb_info *sb = ch->parent;
694
695 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
696 return 0;
697
698 if (go == PCMTRIG_START)
699 ch->run = 1;
700 else
701 ch->run = 0;
702
703 sb_setup(sb);
704
705 return 0;
706 }
707
708 static int
709 sb16chan_getptr(kobj_t obj, void *data)
710 {
711 struct sb_chinfo *ch = data;
712
713 return sndbuf_isadmaptr(ch->buffer);
714 }
715
716 static struct pcmchan_caps *
717 sb16chan_getcaps(kobj_t obj, void *data)
718 {
719 struct sb_chinfo *ch = data;
720 struct sb_info *sb = ch->parent;
721
722 if ((sb->prio == 0) || (sb->prio == ch->dir))
723 return &sb16x_caps;
724 else
725 return sb->prio16? &sb16_caps8 : &sb16_caps16;
726 }
727
728 static int
729 sb16chan_resetdone(kobj_t obj, void *data)
730 {
731 struct sb_chinfo *ch = data;
732 struct sb_info *sb = ch->parent;
733
734 sb->prio = 0;
735
736 return 0;
737 }
738
739 static kobj_method_t sb16chan_methods[] = {
740 KOBJMETHOD(channel_init, sb16chan_init),
741 KOBJMETHOD(channel_resetdone, sb16chan_resetdone),
742 KOBJMETHOD(channel_setformat, sb16chan_setformat),
743 KOBJMETHOD(channel_setspeed, sb16chan_setspeed),
744 KOBJMETHOD(channel_setblocksize, sb16chan_setblocksize),
745 KOBJMETHOD(channel_trigger, sb16chan_trigger),
746 KOBJMETHOD(channel_getptr, sb16chan_getptr),
747 KOBJMETHOD(channel_getcaps, sb16chan_getcaps),
748 { 0, 0 }
749 };
750 CHANNEL_DECLARE(sb16chan);
751
752 /************************************************************/
753
754 static int
755 sb16_probe(device_t dev)
756 {
757 char buf[64];
758 uintptr_t func, ver, r, f;
759
760 /* The parent device has already been probed. */
761 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
762 if (func != SCF_PCM)
763 return (ENXIO);
764
765 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
766 f = (ver & 0xffff0000) >> 16;
767 ver &= 0x0000ffff;
768 if (f & BD_F_SB16) {
769 snprintf(buf, sizeof buf, "SB16 DSP %d.%02d%s", (int) ver >> 8, (int) ver & 0xff,
770 (f & BD_F_SB16X)? " (ViBRA16X)" : "");
771 device_set_desc_copy(dev, buf);
772 return 0;
773 } else
774 return (ENXIO);
775 }
776
777 static int
778 sb16_attach(device_t dev)
779 {
780 struct sb_info *sb;
781 uintptr_t ver;
782 char status[SND_STATUSLEN], status2[SND_STATUSLEN];
783
784 sb = (struct sb_info *)malloc(sizeof *sb, M_DEVBUF, M_NOWAIT | M_ZERO);
785 if (!sb)
786 return ENXIO;
787
788 sb->parent_dev = device_get_parent(dev);
789 BUS_READ_IVAR(sb->parent_dev, dev, 1, &ver);
790 sb->bd_id = ver & 0x0000ffff;
791 sb->bd_flags = (ver & 0xffff0000) >> 16;
792 sb->bufsize = pcm_getbuffersize(dev, 4096, SB16_BUFFSIZE, 65536);
793
794 if (sb16_alloc_resources(sb, dev))
795 goto no;
796 if (sb_reset_dsp(sb))
797 goto no;
798 if (mixer_init(dev, &sb16mix_mixer_class, sb))
799 goto no;
800 if (snd_setup_intr(dev, sb->irq, INTR_MPSAFE, sb_intr, sb, &sb->ih))
801 goto no;
802
803 if (sb->bd_flags & BD_F_SB16X)
804 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
805
806 sb->prio = 0;
807
808 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
809 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
810 /*highaddr*/BUS_SPACE_MAXADDR,
811 /*filter*/NULL, /*filterarg*/NULL,
812 /*maxsize*/sb->bufsize, /*nsegments*/1,
813 /*maxsegz*/0x3ffff,
814 /*flags*/0, &sb->parent_dmat) != 0) {
815 device_printf(dev, "unable to create dma tag\n");
816 goto no;
817 }
818
819 if (!(pcm_getflags(dev) & SD_F_SIMPLEX))
820 snprintf(status2, SND_STATUSLEN, ":%ld", rman_get_start(sb->drq2));
821 else
822 status2[0] = '\0';
823
824 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %ud",
825 rman_get_start(sb->io_base), rman_get_start(sb->irq),
826 rman_get_start(sb->drq1), status2, sb->bufsize);
827
828 if (pcm_register(dev, sb, 1, 1))
829 goto no;
830 pcm_addchan(dev, PCMDIR_REC, &sb16chan_class, sb);
831 pcm_addchan(dev, PCMDIR_PLAY, &sb16chan_class, sb);
832
833 pcm_setstatus(dev, status);
834
835 return 0;
836
837 no:
838 sb16_release_resources(sb, dev);
839 return ENXIO;
840 }
841
842 static int
843 sb16_detach(device_t dev)
844 {
845 int r;
846 struct sb_info *sb;
847
848 r = pcm_unregister(dev);
849 if (r)
850 return r;
851
852 sb = pcm_getdevinfo(dev);
853 sb16_release_resources(sb, dev);
854 return 0;
855 }
856
857 static device_method_t sb16_methods[] = {
858 /* Device interface */
859 DEVMETHOD(device_probe, sb16_probe),
860 DEVMETHOD(device_attach, sb16_attach),
861 DEVMETHOD(device_detach, sb16_detach),
862
863 { 0, 0 }
864 };
865
866 static driver_t sb16_driver = {
867 "pcm",
868 sb16_methods,
869 PCM_SOFTC_SIZE,
870 };
871
872 DRIVER_MODULE(snd_sb16, sbc, sb16_driver, pcm_devclass, 0, 0);
873 MODULE_DEPEND(snd_sb16, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
874 MODULE_DEPEND(snd_sb16, snd_sbc, 1, 1, 1);
875 MODULE_VERSION(snd_sb16, 1);
Cache object: dc466f7ea06307d7d30cc0e32fddc5d6
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