FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/isa/sb16.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 #ifdef HAVE_KERNEL_OPTION_HEADERS
33 #include "opt_snd.h"
34 #endif
35
36 #include <dev/sound/pcm/sound.h>
37
38 #include <dev/sound/isa/sb.h>
39 #include <dev/sound/chip.h>
40
41 #include <isa/isavar.h>
42
43 #include "mixer_if.h"
44
45 SND_DECLARE_FILE("$FreeBSD: releng/11.2/sys/dev/sound/isa/sb16.c 331722 2018-03-29 02:50:57Z eadler $");
46
47 #define SB16_BUFFSIZE 4096
48 #define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16)
49
50 static u_int32_t sb16_fmt8[] = {
51 SND_FORMAT(AFMT_U8, 1, 0),
52 SND_FORMAT(AFMT_U8, 2, 0),
53 0
54 };
55 static struct pcmchan_caps sb16_caps8 = {5000, 45000, sb16_fmt8, 0};
56
57 static u_int32_t sb16_fmt16[] = {
58 SND_FORMAT(AFMT_S16_LE, 1, 0),
59 SND_FORMAT(AFMT_S16_LE, 2, 0),
60 0
61 };
62 static struct pcmchan_caps sb16_caps16 = {5000, 45000, sb16_fmt16, 0};
63
64 static u_int32_t sb16x_fmt[] = {
65 SND_FORMAT(AFMT_U8, 1, 0),
66 SND_FORMAT(AFMT_U8, 2, 0),
67 SND_FORMAT(AFMT_S16_LE, 1, 0),
68 SND_FORMAT(AFMT_S16_LE, 2, 0),
69 0
70 };
71 static struct pcmchan_caps sb16x_caps = {5000, 49000, sb16x_fmt, 0};
72
73 struct sb_info;
74
75 struct sb_chinfo {
76 struct sb_info *parent;
77 struct pcm_channel *channel;
78 struct snd_dbuf *buffer;
79 int dir, run, dch;
80 u_int32_t fmt, spd, blksz;
81 };
82
83 struct sb_info {
84 struct resource *io_base; /* I/O address for the board */
85 struct resource *irq;
86 struct resource *drq1;
87 struct resource *drq2;
88 void *ih;
89 bus_dma_tag_t parent_dmat;
90
91 unsigned int bufsize;
92 int bd_id;
93 u_long bd_flags; /* board-specific flags */
94 int prio, prio16;
95 struct sb_chinfo pch, rch;
96 device_t parent_dev;
97 };
98
99 #if 0
100 static void sb_lock(struct sb_info *sb);
101 static void sb_unlock(struct sb_info *sb);
102 static int sb_rd(struct sb_info *sb, int reg);
103 static void sb_wr(struct sb_info *sb, int reg, u_int8_t val);
104 static int sb_cmd(struct sb_info *sb, u_char val);
105 /* static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); */
106 static int sb_cmd2(struct sb_info *sb, u_char cmd, int val);
107 static u_int sb_get_byte(struct sb_info *sb);
108 static void sb_setmixer(struct sb_info *sb, u_int port, u_int value);
109 static int sb_getmixer(struct sb_info *sb, u_int port);
110 static int sb_reset_dsp(struct sb_info *sb);
111
112 static void sb_intr(void *arg);
113 #endif
114
115 /*
116 * Common code for the midi and pcm functions
117 *
118 * sb_cmd write a single byte to the CMD port.
119 * sb_cmd1 write a CMD + 1 byte arg
120 * sb_cmd2 write a CMD + 2 byte arg
121 * sb_get_byte returns a single byte from the DSP data port
122 */
123
124 static void
125 sb_lock(struct sb_info *sb) {
126
127 sbc_lock(device_get_softc(sb->parent_dev));
128 }
129
130 static void
131 sb_lockassert(struct sb_info *sb) {
132
133 sbc_lockassert(device_get_softc(sb->parent_dev));
134 }
135
136 static void
137 sb_unlock(struct sb_info *sb) {
138
139 sbc_unlock(device_get_softc(sb->parent_dev));
140 }
141
142 static int
143 port_rd(struct resource *port, int off)
144 {
145 return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off);
146 }
147
148 static void
149 port_wr(struct resource *port, int off, u_int8_t data)
150 {
151 bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data);
152 }
153
154 static int
155 sb_rd(struct sb_info *sb, int reg)
156 {
157 return port_rd(sb->io_base, reg);
158 }
159
160 static void
161 sb_wr(struct sb_info *sb, int reg, u_int8_t val)
162 {
163 port_wr(sb->io_base, reg, val);
164 }
165
166 static int
167 sb_dspwr(struct sb_info *sb, u_char val)
168 {
169 int i;
170
171 for (i = 0; i < 1000; i++) {
172 if ((sb_rd(sb, SBDSP_STATUS) & 0x80))
173 DELAY((i > 100)? 1000 : 10);
174 else {
175 sb_wr(sb, SBDSP_CMD, val);
176 return 1;
177 }
178 }
179 if (curthread->td_intr_nesting_level == 0)
180 printf("sb_dspwr(0x%02x) timed out.\n", val);
181 return 0;
182 }
183
184 static int
185 sb_cmd(struct sb_info *sb, u_char val)
186 {
187 #if 0
188 printf("sb_cmd: %x\n", val);
189 #endif
190 return sb_dspwr(sb, val);
191 }
192
193 /*
194 static int
195 sb_cmd1(struct sb_info *sb, u_char cmd, int val)
196 {
197 #if 0
198 printf("sb_cmd1: %x, %x\n", cmd, val);
199 #endif
200 if (sb_dspwr(sb, cmd)) {
201 return sb_dspwr(sb, val & 0xff);
202 } else return 0;
203 }
204 */
205
206 static int
207 sb_cmd2(struct sb_info *sb, u_char cmd, int val)
208 {
209 int r;
210
211 #if 0
212 printf("sb_cmd2: %x, %x\n", cmd, val);
213 #endif
214 sb_lockassert(sb);
215 r = 0;
216 if (sb_dspwr(sb, cmd)) {
217 if (sb_dspwr(sb, val & 0xff)) {
218 if (sb_dspwr(sb, (val >> 8) & 0xff)) {
219 r = 1;
220 }
221 }
222 }
223
224 return r;
225 }
226
227 /*
228 * in the SB, there is a set of indirect "mixer" registers with
229 * address at offset 4, data at offset 5
230 */
231 static void
232 sb_setmixer(struct sb_info *sb, u_int port, u_int value)
233 {
234 sb_lock(sb);
235 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
236 DELAY(10);
237 sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff));
238 DELAY(10);
239 sb_unlock(sb);
240 }
241
242 static int
243 sb_getmixer(struct sb_info *sb, u_int port)
244 {
245 int val;
246
247 sb_lockassert(sb);
248 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
249 DELAY(10);
250 val = sb_rd(sb, SB_MIX_DATA);
251 DELAY(10);
252
253 return val;
254 }
255
256 static u_int
257 sb_get_byte(struct sb_info *sb)
258 {
259 int i;
260
261 for (i = 1000; i > 0; i--) {
262 if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80)
263 return sb_rd(sb, DSP_READ);
264 else
265 DELAY(20);
266 }
267 return 0xffff;
268 }
269
270 static int
271 sb_reset_dsp(struct sb_info *sb)
272 {
273 u_char b;
274
275 sb_lockassert(sb);
276 sb_wr(sb, SBDSP_RST, 3);
277 DELAY(100);
278 sb_wr(sb, SBDSP_RST, 0);
279 b = sb_get_byte(sb);
280 if (b != 0xAA) {
281 DEB(printf("sb_reset_dsp 0x%lx failed\n",
282 rman_get_start(sb->io_base)));
283 return ENXIO; /* Sorry */
284 }
285 return 0;
286 }
287
288 /************************************************************/
289
290 struct sb16_mixent {
291 int reg;
292 int bits;
293 int ofs;
294 int stereo;
295 };
296
297 static const struct sb16_mixent sb16_mixtab[32] = {
298 [SOUND_MIXER_VOLUME] = { 0x30, 5, 3, 1 },
299 [SOUND_MIXER_PCM] = { 0x32, 5, 3, 1 },
300 [SOUND_MIXER_SYNTH] = { 0x34, 5, 3, 1 },
301 [SOUND_MIXER_CD] = { 0x36, 5, 3, 1 },
302 [SOUND_MIXER_LINE] = { 0x38, 5, 3, 1 },
303 [SOUND_MIXER_MIC] = { 0x3a, 5, 3, 0 },
304 [SOUND_MIXER_SPEAKER] = { 0x3b, 5, 3, 0 },
305 [SOUND_MIXER_IGAIN] = { 0x3f, 2, 6, 1 },
306 [SOUND_MIXER_OGAIN] = { 0x41, 2, 6, 1 },
307 [SOUND_MIXER_TREBLE] = { 0x44, 4, 4, 1 },
308 [SOUND_MIXER_BASS] = { 0x46, 4, 4, 1 },
309 [SOUND_MIXER_LINE1] = { 0x52, 5, 3, 1 }
310 };
311
312 static int
313 sb16mix_init(struct snd_mixer *m)
314 {
315 struct sb_info *sb = mix_getdevinfo(m);
316
317 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER |
318 SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD |
319 SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | SOUND_MASK_LINE1 |
320 SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE);
321
322 mix_setrecdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_LINE |
323 SOUND_MASK_LINE1 | SOUND_MASK_MIC | SOUND_MASK_CD);
324
325 sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */
326
327 sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */
328 sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */
329
330 return 0;
331 }
332
333 static int
334 rel2abs_volume(int x, int max)
335 {
336 int temp;
337
338 temp = ((x * max) + 50) / 100;
339 if (temp > max)
340 temp = max;
341 else if (temp < 0)
342 temp = 0;
343 return (temp);
344 }
345
346 static int
347 sb16mix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
348 {
349 struct sb_info *sb = mix_getdevinfo(m);
350 const struct sb16_mixent *e;
351 int max;
352
353 e = &sb16_mixtab[dev];
354 max = (1 << e->bits) - 1;
355
356 left = rel2abs_volume(left, max);
357 right = rel2abs_volume(right, max);
358
359 sb_setmixer(sb, e->reg, left << e->ofs);
360 if (e->stereo)
361 sb_setmixer(sb, e->reg + 1, right << e->ofs);
362 else
363 right = left;
364
365 left = (left * 100) / max;
366 right = (right * 100) / max;
367
368 return left | (right << 8);
369 }
370
371 static u_int32_t
372 sb16mix_setrecsrc(struct snd_mixer *m, u_int32_t src)
373 {
374 struct sb_info *sb = mix_getdevinfo(m);
375 u_char recdev_l, recdev_r;
376
377 recdev_l = 0;
378 recdev_r = 0;
379 if (src & SOUND_MASK_MIC) {
380 recdev_l |= 0x01; /* mono mic */
381 recdev_r |= 0x01;
382 }
383
384 if (src & SOUND_MASK_CD) {
385 recdev_l |= 0x04; /* l cd */
386 recdev_r |= 0x02; /* r cd */
387 }
388
389 if (src & SOUND_MASK_LINE) {
390 recdev_l |= 0x10; /* l line */
391 recdev_r |= 0x08; /* r line */
392 }
393
394 if (src & SOUND_MASK_SYNTH) {
395 recdev_l |= 0x40; /* l midi */
396 recdev_r |= 0x20; /* r midi */
397 }
398
399 sb_setmixer(sb, SB16_IMASK_L, recdev_l);
400 sb_setmixer(sb, SB16_IMASK_R, recdev_r);
401
402 /* Switch on/off FM tuner source */
403 if (src & SOUND_MASK_LINE1)
404 sb_setmixer(sb, 0x4a, 0x0c);
405 else
406 sb_setmixer(sb, 0x4a, 0x00);
407
408 /*
409 * since the same volume controls apply to the input and
410 * output sections, the best approach to have a consistent
411 * behaviour among cards would be to disable the output path
412 * on devices which are used to record.
413 * However, since users like to have feedback, we only disable
414 * the mic -- permanently.
415 */
416 sb_setmixer(sb, SB16_OMASK, 0x1f & ~1);
417
418 return src;
419 }
420
421 static kobj_method_t sb16mix_mixer_methods[] = {
422 KOBJMETHOD(mixer_init, sb16mix_init),
423 KOBJMETHOD(mixer_set, sb16mix_set),
424 KOBJMETHOD(mixer_setrecsrc, sb16mix_setrecsrc),
425 KOBJMETHOD_END
426 };
427 MIXER_DECLARE(sb16mix_mixer);
428
429 /************************************************************/
430
431 static void
432 sb16_release_resources(struct sb_info *sb, device_t dev)
433 {
434 if (sb->irq) {
435 if (sb->ih)
436 bus_teardown_intr(dev, sb->irq, sb->ih);
437 bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq);
438 sb->irq = NULL;
439 }
440 if (sb->drq2) {
441 if (sb->drq2 != sb->drq1) {
442 isa_dma_release(rman_get_start(sb->drq2));
443 bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2);
444 }
445 sb->drq2 = NULL;
446 }
447 if (sb->drq1) {
448 isa_dma_release(rman_get_start(sb->drq1));
449 bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1);
450 sb->drq1 = NULL;
451 }
452 if (sb->io_base) {
453 bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base);
454 sb->io_base = NULL;
455 }
456 if (sb->parent_dmat) {
457 bus_dma_tag_destroy(sb->parent_dmat);
458 sb->parent_dmat = 0;
459 }
460 free(sb, M_DEVBUF);
461 }
462
463 static int
464 sb16_alloc_resources(struct sb_info *sb, device_t dev)
465 {
466 int rid;
467
468 rid = 0;
469 if (!sb->io_base)
470 sb->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
471 &rid, RF_ACTIVE);
472
473 rid = 0;
474 if (!sb->irq)
475 sb->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
476 RF_ACTIVE);
477
478 rid = 0;
479 if (!sb->drq1)
480 sb->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
481 RF_ACTIVE);
482
483 rid = 1;
484 if (!sb->drq2)
485 sb->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid,
486 RF_ACTIVE);
487
488 if (sb->io_base && sb->drq1 && sb->irq) {
489 isa_dma_acquire(rman_get_start(sb->drq1));
490 isa_dmainit(rman_get_start(sb->drq1), sb->bufsize);
491
492 if (sb->drq2) {
493 isa_dma_acquire(rman_get_start(sb->drq2));
494 isa_dmainit(rman_get_start(sb->drq2), sb->bufsize);
495 } else {
496 sb->drq2 = sb->drq1;
497 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
498 }
499 return 0;
500 } else return ENXIO;
501 }
502
503 /* sbc does locking for us */
504 static void
505 sb_intr(void *arg)
506 {
507 struct sb_info *sb = (struct sb_info *)arg;
508 int reason, c;
509
510 /*
511 * The Vibra16X has separate flags for 8 and 16 bit transfers, but
512 * I have no idea how to tell capture from playback interrupts...
513 */
514
515 reason = 0;
516 sb_lock(sb);
517 c = sb_getmixer(sb, IRQ_STAT);
518 if (c & 1)
519 sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */
520
521 if (c & 2)
522 sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */
523 sb_unlock(sb);
524
525 /*
526 * this tells us if the source is 8-bit or 16-bit dma. We
527 * have to check the io channel to map it to read or write...
528 */
529
530 if (sb->bd_flags & BD_F_SB16X) {
531 if (c & 1) { /* 8-bit format */
532 if (sb->pch.fmt & AFMT_8BIT)
533 reason |= 1;
534 if (sb->rch.fmt & AFMT_8BIT)
535 reason |= 2;
536 }
537 if (c & 2) { /* 16-bit format */
538 if (sb->pch.fmt & AFMT_16BIT)
539 reason |= 1;
540 if (sb->rch.fmt & AFMT_16BIT)
541 reason |= 2;
542 }
543 } else {
544 if (c & 1) { /* 8-bit dma */
545 if (sb->pch.dch == 1)
546 reason |= 1;
547 if (sb->rch.dch == 1)
548 reason |= 2;
549 }
550 if (c & 2) { /* 16-bit dma */
551 if (sb->pch.dch == 2)
552 reason |= 1;
553 if (sb->rch.dch == 2)
554 reason |= 2;
555 }
556 }
557 #if 0
558 printf("sb_intr: reason=%d c=0x%x\n", reason, c);
559 #endif
560 if ((reason & 1) && (sb->pch.run))
561 chn_intr(sb->pch.channel);
562
563 if ((reason & 2) && (sb->rch.run))
564 chn_intr(sb->rch.channel);
565 }
566
567 static int
568 sb_setup(struct sb_info *sb)
569 {
570 struct sb_chinfo *ch;
571 u_int8_t v;
572 int l, pprio;
573
574 sb_lock(sb);
575 if (sb->bd_flags & BD_F_DMARUN)
576 sndbuf_dma(sb->pch.buffer, PCMTRIG_STOP);
577 if (sb->bd_flags & BD_F_DMARUN2)
578 sndbuf_dma(sb->rch.buffer, PCMTRIG_STOP);
579 sb->bd_flags &= ~(BD_F_DMARUN | BD_F_DMARUN2);
580
581 sb_reset_dsp(sb);
582
583 if (sb->bd_flags & BD_F_SB16X) {
584 /* full-duplex doesn't work! */
585 pprio = sb->pch.run? 1 : 0;
586 sndbuf_dmasetup(sb->pch.buffer, pprio? sb->drq1 : sb->drq2);
587 sb->pch.dch = pprio? 1 : 0;
588 sndbuf_dmasetup(sb->rch.buffer, pprio? sb->drq2 : sb->drq1);
589 sb->rch.dch = pprio? 2 : 1;
590 } else {
591 if (sb->pch.run && sb->rch.run) {
592 pprio = (sb->rch.fmt & AFMT_16BIT)? 0 : 1;
593 sndbuf_dmasetup(sb->pch.buffer, pprio? sb->drq2 : sb->drq1);
594 sb->pch.dch = pprio? 2 : 1;
595 sndbuf_dmasetup(sb->rch.buffer, pprio? sb->drq1 : sb->drq2);
596 sb->rch.dch = pprio? 1 : 2;
597 } else {
598 if (sb->pch.run) {
599 sndbuf_dmasetup(sb->pch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
600 sb->pch.dch = (sb->pch.fmt & AFMT_16BIT)? 2 : 1;
601 sndbuf_dmasetup(sb->rch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
602 sb->rch.dch = (sb->pch.fmt & AFMT_16BIT)? 1 : 2;
603 } else if (sb->rch.run) {
604 sndbuf_dmasetup(sb->pch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2);
605 sb->pch.dch = (sb->rch.fmt & AFMT_16BIT)? 1 : 2;
606 sndbuf_dmasetup(sb->rch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1);
607 sb->rch.dch = (sb->rch.fmt & AFMT_16BIT)? 2 : 1;
608 }
609 }
610 }
611
612 sndbuf_dmasetdir(sb->pch.buffer, PCMDIR_PLAY);
613 sndbuf_dmasetdir(sb->rch.buffer, PCMDIR_REC);
614
615 /*
616 printf("setup: [pch = %d, pfmt = %d, pgo = %d] [rch = %d, rfmt = %d, rgo = %d]\n",
617 sb->pch.dch, sb->pch.fmt, sb->pch.run, sb->rch.dch, sb->rch.fmt, sb->rch.run);
618 */
619
620 ch = &sb->pch;
621 if (ch->run) {
622 l = ch->blksz;
623 if (ch->fmt & AFMT_16BIT)
624 l >>= 1;
625 l--;
626
627 /* play speed */
628 RANGE(ch->spd, 5000, 45000);
629 sb_cmd(sb, DSP_CMD_OUT16);
630 sb_cmd(sb, ch->spd >> 8);
631 sb_cmd(sb, ch->spd & 0xff);
632
633 /* play format, length */
634 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_DAC;
635 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
636 sb_cmd(sb, v);
637
638 v = (AFMT_CHANNEL(ch->fmt) > 1)? DSP_F16_STEREO : 0;
639 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
640 sb_cmd2(sb, v, l);
641 sndbuf_dma(ch->buffer, PCMTRIG_START);
642 sb->bd_flags |= BD_F_DMARUN;
643 }
644
645 ch = &sb->rch;
646 if (ch->run) {
647 l = ch->blksz;
648 if (ch->fmt & AFMT_16BIT)
649 l >>= 1;
650 l--;
651
652 /* record speed */
653 RANGE(ch->spd, 5000, 45000);
654 sb_cmd(sb, DSP_CMD_IN16);
655 sb_cmd(sb, ch->spd >> 8);
656 sb_cmd(sb, ch->spd & 0xff);
657
658 /* record format, length */
659 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_ADC;
660 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8;
661 sb_cmd(sb, v);
662
663 v = (AFMT_CHANNEL(ch->fmt) > 1)? DSP_F16_STEREO : 0;
664 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0;
665 sb_cmd2(sb, v, l);
666 sndbuf_dma(ch->buffer, PCMTRIG_START);
667 sb->bd_flags |= BD_F_DMARUN2;
668 }
669 sb_unlock(sb);
670
671 return 0;
672 }
673
674 /* channel interface */
675 static void *
676 sb16chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
677 {
678 struct sb_info *sb = devinfo;
679 struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch;
680
681 ch->parent = sb;
682 ch->channel = c;
683 ch->buffer = b;
684 ch->dir = dir;
685
686 if (sndbuf_alloc(ch->buffer, sb->parent_dmat, 0, sb->bufsize) != 0)
687 return NULL;
688
689 return ch;
690 }
691
692 static int
693 sb16chan_setformat(kobj_t obj, void *data, u_int32_t format)
694 {
695 struct sb_chinfo *ch = data;
696 struct sb_info *sb = ch->parent;
697
698 ch->fmt = format;
699 sb->prio = ch->dir;
700 sb->prio16 = (ch->fmt & AFMT_16BIT)? 1 : 0;
701
702 return 0;
703 }
704
705 static u_int32_t
706 sb16chan_setspeed(kobj_t obj, void *data, u_int32_t speed)
707 {
708 struct sb_chinfo *ch = data;
709
710 ch->spd = speed;
711 return speed;
712 }
713
714 static u_int32_t
715 sb16chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
716 {
717 struct sb_chinfo *ch = data;
718
719 ch->blksz = blocksize;
720 return ch->blksz;
721 }
722
723 static int
724 sb16chan_trigger(kobj_t obj, void *data, int go)
725 {
726 struct sb_chinfo *ch = data;
727 struct sb_info *sb = ch->parent;
728
729 if (!PCMTRIG_COMMON(go))
730 return 0;
731
732 if (go == PCMTRIG_START)
733 ch->run = 1;
734 else
735 ch->run = 0;
736
737 sb_setup(sb);
738
739 return 0;
740 }
741
742 static u_int32_t
743 sb16chan_getptr(kobj_t obj, void *data)
744 {
745 struct sb_chinfo *ch = data;
746
747 return sndbuf_dmaptr(ch->buffer);
748 }
749
750 static struct pcmchan_caps *
751 sb16chan_getcaps(kobj_t obj, void *data)
752 {
753 struct sb_chinfo *ch = data;
754 struct sb_info *sb = ch->parent;
755
756 if ((sb->prio == 0) || (sb->prio == ch->dir))
757 return &sb16x_caps;
758 else
759 return sb->prio16? &sb16_caps8 : &sb16_caps16;
760 }
761
762 static int
763 sb16chan_resetdone(kobj_t obj, void *data)
764 {
765 struct sb_chinfo *ch = data;
766 struct sb_info *sb = ch->parent;
767
768 sb->prio = 0;
769
770 return 0;
771 }
772
773 static kobj_method_t sb16chan_methods[] = {
774 KOBJMETHOD(channel_init, sb16chan_init),
775 KOBJMETHOD(channel_resetdone, sb16chan_resetdone),
776 KOBJMETHOD(channel_setformat, sb16chan_setformat),
777 KOBJMETHOD(channel_setspeed, sb16chan_setspeed),
778 KOBJMETHOD(channel_setblocksize, sb16chan_setblocksize),
779 KOBJMETHOD(channel_trigger, sb16chan_trigger),
780 KOBJMETHOD(channel_getptr, sb16chan_getptr),
781 KOBJMETHOD(channel_getcaps, sb16chan_getcaps),
782 KOBJMETHOD_END
783 };
784 CHANNEL_DECLARE(sb16chan);
785
786 /************************************************************/
787
788 static int
789 sb16_probe(device_t dev)
790 {
791 char buf[64];
792 uintptr_t func, ver, r, f;
793
794 /* The parent device has already been probed. */
795 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func);
796 if (func != SCF_PCM)
797 return (ENXIO);
798
799 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver);
800 f = (ver & 0xffff0000) >> 16;
801 ver &= 0x0000ffff;
802 if (f & BD_F_SB16) {
803 snprintf(buf, sizeof buf, "SB16 DSP %d.%02d%s", (int) ver >> 8, (int) ver & 0xff,
804 (f & BD_F_SB16X)? " (ViBRA16X)" : "");
805 device_set_desc_copy(dev, buf);
806 return 0;
807 } else
808 return (ENXIO);
809 }
810
811 static int
812 sb16_attach(device_t dev)
813 {
814 struct sb_info *sb;
815 uintptr_t ver;
816 char status[SND_STATUSLEN], status2[SND_STATUSLEN];
817
818 sb = malloc(sizeof(*sb), M_DEVBUF, M_WAITOK | M_ZERO);
819 sb->parent_dev = device_get_parent(dev);
820 BUS_READ_IVAR(sb->parent_dev, dev, 1, &ver);
821 sb->bd_id = ver & 0x0000ffff;
822 sb->bd_flags = (ver & 0xffff0000) >> 16;
823 sb->bufsize = pcm_getbuffersize(dev, 4096, SB16_BUFFSIZE, 65536);
824
825 if (sb16_alloc_resources(sb, dev))
826 goto no;
827 sb_lock(sb);
828 if (sb_reset_dsp(sb)) {
829 sb_unlock(sb);
830 goto no;
831 }
832 sb_unlock(sb);
833 if (mixer_init(dev, &sb16mix_mixer_class, sb))
834 goto no;
835 if (snd_setup_intr(dev, sb->irq, 0, sb_intr, sb, &sb->ih))
836 goto no;
837
838 if (sb->bd_flags & BD_F_SB16X)
839 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
840
841 sb->prio = 0;
842
843 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2,
844 /*boundary*/0,
845 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
846 /*highaddr*/BUS_SPACE_MAXADDR,
847 /*filter*/NULL, /*filterarg*/NULL,
848 /*maxsize*/sb->bufsize, /*nsegments*/1,
849 /*maxsegz*/0x3ffff, /*flags*/0,
850 /*lockfunc*/busdma_lock_mutex, /*lockarg*/&Giant,
851 &sb->parent_dmat) != 0) {
852 device_printf(dev, "unable to create dma tag\n");
853 goto no;
854 }
855
856 if (!(pcm_getflags(dev) & SD_F_SIMPLEX))
857 snprintf(status2, SND_STATUSLEN, ":%jd", rman_get_start(sb->drq2));
858 else
859 status2[0] = '\0';
860
861 snprintf(status, SND_STATUSLEN, "at io 0x%jx irq %jd drq %jd%s bufsz %u %s",
862 rman_get_start(sb->io_base), rman_get_start(sb->irq),
863 rman_get_start(sb->drq1), status2, sb->bufsize,
864 PCM_KLDSTRING(snd_sb16));
865
866 if (pcm_register(dev, sb, 1, 1))
867 goto no;
868 pcm_addchan(dev, PCMDIR_REC, &sb16chan_class, sb);
869 pcm_addchan(dev, PCMDIR_PLAY, &sb16chan_class, sb);
870
871 pcm_setstatus(dev, status);
872
873 return 0;
874
875 no:
876 sb16_release_resources(sb, dev);
877 return ENXIO;
878 }
879
880 static int
881 sb16_detach(device_t dev)
882 {
883 int r;
884 struct sb_info *sb;
885
886 r = pcm_unregister(dev);
887 if (r)
888 return r;
889
890 sb = pcm_getdevinfo(dev);
891 sb16_release_resources(sb, dev);
892 return 0;
893 }
894
895 static device_method_t sb16_methods[] = {
896 /* Device interface */
897 DEVMETHOD(device_probe, sb16_probe),
898 DEVMETHOD(device_attach, sb16_attach),
899 DEVMETHOD(device_detach, sb16_detach),
900
901 { 0, 0 }
902 };
903
904 static driver_t sb16_driver = {
905 "pcm",
906 sb16_methods,
907 PCM_SOFTC_SIZE,
908 };
909
910 DRIVER_MODULE(snd_sb16, sbc, sb16_driver, pcm_devclass, 0, 0);
911 MODULE_DEPEND(snd_sb16, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
912 MODULE_DEPEND(snd_sb16, snd_sbc, 1, 1, 1);
913 MODULE_VERSION(snd_sb16, 1);
Cache object: 8a0b1dbc0c2017708495335302a5a4c3
|