1 /*-
2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
3 * Copyright (c) 1997,1998 Luigi Rizzo
4 * Copyright (c) 1994,1995 Hannu Savolainen
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <dev/sound/pcm/sound.h>
30 #include <dev/sound/isa/ad1816.h>
31
32 #include <isa/isavar.h>
33
34 #include "mixer_if.h"
35
36 SND_DECLARE_FILE("$FreeBSD: releng/7.3/sys/dev/sound/isa/ad1816.c 180878 2008-07-28 15:49:26Z thompsa $");
37
38 struct ad1816_info;
39
40 struct ad1816_chinfo {
41 struct ad1816_info *parent;
42 struct pcm_channel *channel;
43 struct snd_dbuf *buffer;
44 int dir, blksz;
45 };
46
47 struct ad1816_info {
48 struct resource *io_base; /* primary I/O address for the board */
49 int io_rid;
50 struct resource *irq;
51 int irq_rid;
52 struct resource *drq1; /* play */
53 int drq1_rid;
54 struct resource *drq2; /* rec */
55 int drq2_rid;
56 void *ih;
57 bus_dma_tag_t parent_dmat;
58 struct mtx *lock;
59
60 unsigned int bufsize;
61 struct ad1816_chinfo pch, rch;
62 };
63
64 static u_int32_t ad1816_fmt[] = {
65 AFMT_U8,
66 AFMT_STEREO | AFMT_U8,
67 AFMT_S16_LE,
68 AFMT_STEREO | AFMT_S16_LE,
69 AFMT_MU_LAW,
70 AFMT_STEREO | AFMT_MU_LAW,
71 AFMT_A_LAW,
72 AFMT_STEREO | AFMT_A_LAW,
73 0
74 };
75
76 static struct pcmchan_caps ad1816_caps = {4000, 55200, ad1816_fmt, 0};
77
78 #define AD1816_MUTE 31 /* value for mute */
79
80 static void
81 ad1816_lock(struct ad1816_info *ad1816)
82 {
83 snd_mtxlock(ad1816->lock);
84 }
85
86 static void
87 ad1816_unlock(struct ad1816_info *ad1816)
88 {
89 snd_mtxunlock(ad1816->lock);
90 }
91
92 static int
93 port_rd(struct resource *port, int off)
94 {
95 if (port)
96 return bus_space_read_1(rman_get_bustag(port),
97 rman_get_bushandle(port),
98 off);
99 else
100 return -1;
101 }
102
103 static void
104 port_wr(struct resource *port, int off, u_int8_t data)
105 {
106 if (port)
107 bus_space_write_1(rman_get_bustag(port),
108 rman_get_bushandle(port),
109 off, data);
110 }
111
112 static int
113 io_rd(struct ad1816_info *ad1816, int reg)
114 {
115 return port_rd(ad1816->io_base, reg);
116 }
117
118 static void
119 io_wr(struct ad1816_info *ad1816, int reg, u_int8_t data)
120 {
121 port_wr(ad1816->io_base, reg, data);
122 }
123
124 static void
125 ad1816_intr(void *arg)
126 {
127 struct ad1816_info *ad1816 = (struct ad1816_info *)arg;
128 unsigned char c, served = 0;
129
130 ad1816_lock(ad1816);
131 /* get interrupt status */
132 c = io_rd(ad1816, AD1816_INT);
133
134 /* check for stray interrupts */
135 if (c & ~(AD1816_INTRCI | AD1816_INTRPI)) {
136 printf("pcm: stray int (%x)\n", c);
137 c &= AD1816_INTRCI | AD1816_INTRPI;
138 }
139 /* check for capture interrupt */
140 if (sndbuf_runsz(ad1816->rch.buffer) && (c & AD1816_INTRCI)) {
141 ad1816_unlock(ad1816);
142 chn_intr(ad1816->rch.channel);
143 ad1816_lock(ad1816);
144 served |= AD1816_INTRCI; /* cp served */
145 }
146 /* check for playback interrupt */
147 if (sndbuf_runsz(ad1816->pch.buffer) && (c & AD1816_INTRPI)) {
148 ad1816_unlock(ad1816);
149 chn_intr(ad1816->pch.channel);
150 ad1816_lock(ad1816);
151 served |= AD1816_INTRPI; /* pb served */
152 }
153 if (served == 0) {
154 /* this probably means this is not a (working) ad1816 chip, */
155 /* or an error in dma handling */
156 printf("pcm: int without reason (%x)\n", c);
157 c = 0;
158 } else c &= ~served;
159 io_wr(ad1816, AD1816_INT, c);
160 c = io_rd(ad1816, AD1816_INT);
161 if (c != 0) printf("pcm: int clear failed (%x)\n", c);
162 ad1816_unlock(ad1816);
163 }
164
165 static int
166 ad1816_wait_init(struct ad1816_info *ad1816, int x)
167 {
168 int n = 0; /* to shut up the compiler... */
169
170 for (; x--;)
171 if ((n = (io_rd(ad1816, AD1816_ALE) & AD1816_BUSY)) == 0) DELAY(10);
172 else return n;
173 printf("ad1816_wait_init failed 0x%02x.\n", n);
174 return -1;
175 }
176
177 static unsigned short
178 ad1816_read(struct ad1816_info *ad1816, unsigned int reg)
179 {
180 u_short x = 0;
181
182 if (ad1816_wait_init(ad1816, 100) == -1) return 0;
183 io_wr(ad1816, AD1816_ALE, 0);
184 io_wr(ad1816, AD1816_ALE, (reg & AD1816_ALEMASK));
185 if (ad1816_wait_init(ad1816, 100) == -1) return 0;
186 x = (io_rd(ad1816, AD1816_HIGH) << 8) | io_rd(ad1816, AD1816_LOW);
187 return x;
188 }
189
190 static void
191 ad1816_write(struct ad1816_info *ad1816, unsigned int reg, unsigned short data)
192 {
193 if (ad1816_wait_init(ad1816, 100) == -1) return;
194 io_wr(ad1816, AD1816_ALE, (reg & AD1816_ALEMASK));
195 io_wr(ad1816, AD1816_LOW, (data & 0x000000ff));
196 io_wr(ad1816, AD1816_HIGH, (data & 0x0000ff00) >> 8);
197 }
198
199 /* -------------------------------------------------------------------- */
200
201 static int
202 ad1816mix_init(struct snd_mixer *m)
203 {
204 mix_setdevs(m, AD1816_MIXER_DEVICES);
205 mix_setrecdevs(m, AD1816_REC_DEVICES);
206 return 0;
207 }
208
209 static int
210 ad1816mix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
211 {
212 struct ad1816_info *ad1816 = mix_getdevinfo(m);
213 u_short reg = 0;
214
215 /* Scale volumes */
216 left = AD1816_MUTE - (AD1816_MUTE * left) / 100;
217 right = AD1816_MUTE - (AD1816_MUTE * right) / 100;
218
219 reg = (left << 8) | right;
220
221 /* do channel selective muting if volume is zero */
222 if (left == AD1816_MUTE) reg |= 0x8000;
223 if (right == AD1816_MUTE) reg |= 0x0080;
224
225 ad1816_lock(ad1816);
226 switch (dev) {
227 case SOUND_MIXER_VOLUME: /* Register 14 master volume */
228 ad1816_write(ad1816, 14, reg);
229 break;
230
231 case SOUND_MIXER_CD: /* Register 15 cd */
232 case SOUND_MIXER_LINE1:
233 ad1816_write(ad1816, 15, reg);
234 break;
235
236 case SOUND_MIXER_SYNTH: /* Register 16 synth */
237 ad1816_write(ad1816, 16, reg);
238 break;
239
240 case SOUND_MIXER_PCM: /* Register 4 pcm */
241 ad1816_write(ad1816, 4, reg);
242 break;
243
244 case SOUND_MIXER_LINE:
245 case SOUND_MIXER_LINE3: /* Register 18 line in */
246 ad1816_write(ad1816, 18, reg);
247 break;
248
249 case SOUND_MIXER_MIC: /* Register 19 mic volume */
250 ad1816_write(ad1816, 19, reg & ~0xff); /* mic is mono */
251 break;
252
253 case SOUND_MIXER_IGAIN:
254 /* and now to something completely different ... */
255 ad1816_write(ad1816, 20, ((ad1816_read(ad1816, 20) & ~0x0f0f)
256 | (((AD1816_MUTE - left) / 2) << 8) /* four bits of adc gain */
257 | ((AD1816_MUTE - right) / 2)));
258 break;
259
260 default:
261 printf("ad1816_mixer_set(): unknown device.\n");
262 break;
263 }
264 ad1816_unlock(ad1816);
265
266 left = ((AD1816_MUTE - left) * 100) / AD1816_MUTE;
267 right = ((AD1816_MUTE - right) * 100) / AD1816_MUTE;
268
269 return left | (right << 8);
270 }
271
272 static int
273 ad1816mix_setrecsrc(struct snd_mixer *m, u_int32_t src)
274 {
275 struct ad1816_info *ad1816 = mix_getdevinfo(m);
276 int dev;
277
278 switch (src) {
279 case SOUND_MASK_LINE:
280 case SOUND_MASK_LINE3:
281 dev = 0x00;
282 break;
283
284 case SOUND_MASK_CD:
285 case SOUND_MASK_LINE1:
286 dev = 0x20;
287 break;
288
289 case SOUND_MASK_MIC:
290 default:
291 dev = 0x50;
292 src = SOUND_MASK_MIC;
293 }
294
295 dev |= dev << 8;
296 ad1816_lock(ad1816);
297 ad1816_write(ad1816, 20, (ad1816_read(ad1816, 20) & ~0x7070) | dev);
298 ad1816_unlock(ad1816);
299 return src;
300 }
301
302 static kobj_method_t ad1816mixer_methods[] = {
303 KOBJMETHOD(mixer_init, ad1816mix_init),
304 KOBJMETHOD(mixer_set, ad1816mix_set),
305 KOBJMETHOD(mixer_setrecsrc, ad1816mix_setrecsrc),
306 { 0, 0 }
307 };
308 MIXER_DECLARE(ad1816mixer);
309
310 /* -------------------------------------------------------------------- */
311 /* channel interface */
312 static void *
313 ad1816chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
314 {
315 struct ad1816_info *ad1816 = devinfo;
316 struct ad1816_chinfo *ch = (dir == PCMDIR_PLAY)? &ad1816->pch : &ad1816->rch;
317
318 ch->parent = ad1816;
319 ch->channel = c;
320 ch->buffer = b;
321 if (sndbuf_alloc(ch->buffer, ad1816->parent_dmat, 0, ad1816->bufsize) != 0)
322 return NULL;
323 return ch;
324 }
325
326 static int
327 ad1816chan_setdir(kobj_t obj, void *data, int dir)
328 {
329 struct ad1816_chinfo *ch = data;
330 struct ad1816_info *ad1816 = ch->parent;
331
332 sndbuf_dmasetup(ch->buffer, (dir == PCMDIR_PLAY)? ad1816->drq1 : ad1816->drq2);
333 ch->dir = dir;
334 return 0;
335 }
336
337 static int
338 ad1816chan_setformat(kobj_t obj, void *data, u_int32_t format)
339 {
340 struct ad1816_chinfo *ch = data;
341 struct ad1816_info *ad1816 = ch->parent;
342 int fmt = AD1816_U8, reg;
343
344 ad1816_lock(ad1816);
345 if (ch->dir == PCMDIR_PLAY) {
346 reg = AD1816_PLAY;
347 ad1816_write(ad1816, 8, 0x0000); /* reset base and current counter */
348 ad1816_write(ad1816, 9, 0x0000); /* for playback and capture */
349 } else {
350 reg = AD1816_CAPT;
351 ad1816_write(ad1816, 10, 0x0000);
352 ad1816_write(ad1816, 11, 0x0000);
353 }
354 switch (format & ~AFMT_STEREO) {
355 case AFMT_A_LAW:
356 fmt = AD1816_ALAW;
357 break;
358
359 case AFMT_MU_LAW:
360 fmt = AD1816_MULAW;
361 break;
362
363 case AFMT_S16_LE:
364 fmt = AD1816_S16LE;
365 break;
366
367 case AFMT_S16_BE:
368 fmt = AD1816_S16BE;
369 break;
370
371 case AFMT_U8:
372 fmt = AD1816_U8;
373 break;
374 }
375 if (format & AFMT_STEREO) fmt |= AD1816_STEREO;
376 io_wr(ad1816, reg, fmt);
377 ad1816_unlock(ad1816);
378 #if 0
379 return format;
380 #else
381 return 0;
382 #endif
383 }
384
385 static int
386 ad1816chan_setspeed(kobj_t obj, void *data, u_int32_t speed)
387 {
388 struct ad1816_chinfo *ch = data;
389 struct ad1816_info *ad1816 = ch->parent;
390
391 RANGE(speed, 4000, 55200);
392 ad1816_lock(ad1816);
393 ad1816_write(ad1816, (ch->dir == PCMDIR_PLAY)? 2 : 3, speed);
394 ad1816_unlock(ad1816);
395 return speed;
396 }
397
398 static int
399 ad1816chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
400 {
401 struct ad1816_chinfo *ch = data;
402
403 ch->blksz = blocksize;
404 return ch->blksz;
405 }
406
407 static int
408 ad1816chan_trigger(kobj_t obj, void *data, int go)
409 {
410 struct ad1816_chinfo *ch = data;
411 struct ad1816_info *ad1816 = ch->parent;
412 int wr, reg;
413
414 if (!PCMTRIG_COMMON(go))
415 return 0;
416
417 sndbuf_dma(ch->buffer, go);
418 wr = (ch->dir == PCMDIR_PLAY);
419 reg = wr? AD1816_PLAY : AD1816_CAPT;
420 ad1816_lock(ad1816);
421 switch (go) {
422 case PCMTRIG_START:
423 /* start only if not already running */
424 if (!(io_rd(ad1816, reg) & AD1816_ENABLE)) {
425 int cnt = ((ch->blksz) >> 2) - 1;
426 ad1816_write(ad1816, wr? 8 : 10, cnt); /* count */
427 ad1816_write(ad1816, wr? 9 : 11, 0); /* reset cur cnt */
428 ad1816_write(ad1816, 1, ad1816_read(ad1816, 1) |
429 (wr? 0x8000 : 0x4000)); /* enable int */
430 /* enable playback */
431 io_wr(ad1816, reg, io_rd(ad1816, reg) | AD1816_ENABLE);
432 if (!(io_rd(ad1816, reg) & AD1816_ENABLE))
433 printf("ad1816: failed to start %s DMA!\n",
434 wr? "play" : "rec");
435 }
436 break;
437
438 case PCMTRIG_STOP:
439 case PCMTRIG_ABORT: /* XXX check this... */
440 /* we don't test here if it is running... */
441 if (wr) {
442 ad1816_write(ad1816, 1, ad1816_read(ad1816, 1) &
443 ~(wr? 0x8000 : 0x4000));
444 /* disable int */
445 io_wr(ad1816, reg, io_rd(ad1816, reg) & ~AD1816_ENABLE);
446 /* disable playback */
447 if (io_rd(ad1816, reg) & AD1816_ENABLE)
448 printf("ad1816: failed to stop %s DMA!\n",
449 wr? "play" : "rec");
450 ad1816_write(ad1816, wr? 8 : 10, 0); /* reset base cnt */
451 ad1816_write(ad1816, wr? 9 : 11, 0); /* reset cur cnt */
452 }
453 break;
454 }
455 ad1816_unlock(ad1816);
456 return 0;
457 }
458
459 static int
460 ad1816chan_getptr(kobj_t obj, void *data)
461 {
462 struct ad1816_chinfo *ch = data;
463 return sndbuf_dmaptr(ch->buffer);
464 }
465
466 static struct pcmchan_caps *
467 ad1816chan_getcaps(kobj_t obj, void *data)
468 {
469 return &ad1816_caps;
470 }
471
472 static kobj_method_t ad1816chan_methods[] = {
473 KOBJMETHOD(channel_init, ad1816chan_init),
474 KOBJMETHOD(channel_setdir, ad1816chan_setdir),
475 KOBJMETHOD(channel_setformat, ad1816chan_setformat),
476 KOBJMETHOD(channel_setspeed, ad1816chan_setspeed),
477 KOBJMETHOD(channel_setblocksize, ad1816chan_setblocksize),
478 KOBJMETHOD(channel_trigger, ad1816chan_trigger),
479 KOBJMETHOD(channel_getptr, ad1816chan_getptr),
480 KOBJMETHOD(channel_getcaps, ad1816chan_getcaps),
481 { 0, 0 }
482 };
483 CHANNEL_DECLARE(ad1816chan);
484
485 /* -------------------------------------------------------------------- */
486
487 static void
488 ad1816_release_resources(struct ad1816_info *ad1816, device_t dev)
489 {
490 if (ad1816->irq) {
491 if (ad1816->ih)
492 bus_teardown_intr(dev, ad1816->irq, ad1816->ih);
493 bus_release_resource(dev, SYS_RES_IRQ, ad1816->irq_rid, ad1816->irq);
494 ad1816->irq = 0;
495 }
496 if (ad1816->drq1) {
497 isa_dma_release(rman_get_start(ad1816->drq1));
498 bus_release_resource(dev, SYS_RES_DRQ, ad1816->drq1_rid, ad1816->drq1);
499 ad1816->drq1 = 0;
500 }
501 if (ad1816->drq2) {
502 isa_dma_release(rman_get_start(ad1816->drq2));
503 bus_release_resource(dev, SYS_RES_DRQ, ad1816->drq2_rid, ad1816->drq2);
504 ad1816->drq2 = 0;
505 }
506 if (ad1816->io_base) {
507 bus_release_resource(dev, SYS_RES_IOPORT, ad1816->io_rid, ad1816->io_base);
508 ad1816->io_base = 0;
509 }
510 if (ad1816->parent_dmat) {
511 bus_dma_tag_destroy(ad1816->parent_dmat);
512 ad1816->parent_dmat = 0;
513 }
514 if (ad1816->lock)
515 snd_mtxfree(ad1816->lock);
516
517 free(ad1816, M_DEVBUF);
518 }
519
520 static int
521 ad1816_alloc_resources(struct ad1816_info *ad1816, device_t dev)
522 {
523 int ok = 1, pdma, rdma;
524
525 if (!ad1816->io_base)
526 ad1816->io_base = bus_alloc_resource_any(dev,
527 SYS_RES_IOPORT, &ad1816->io_rid, RF_ACTIVE);
528 if (!ad1816->irq)
529 ad1816->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
530 &ad1816->irq_rid, RF_ACTIVE);
531 if (!ad1816->drq1)
532 ad1816->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ,
533 &ad1816->drq1_rid, RF_ACTIVE);
534 if (!ad1816->drq2)
535 ad1816->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ,
536 &ad1816->drq2_rid, RF_ACTIVE);
537
538 if (!ad1816->io_base || !ad1816->drq1 || !ad1816->irq) ok = 0;
539
540 if (ok) {
541 pdma = rman_get_start(ad1816->drq1);
542 isa_dma_acquire(pdma);
543 isa_dmainit(pdma, ad1816->bufsize);
544 if (ad1816->drq2) {
545 rdma = rman_get_start(ad1816->drq2);
546 isa_dma_acquire(rdma);
547 isa_dmainit(rdma, ad1816->bufsize);
548 } else
549 rdma = pdma;
550 if (pdma == rdma)
551 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
552 }
553
554 return ok;
555 }
556
557 static int
558 ad1816_init(struct ad1816_info *ad1816, device_t dev)
559 {
560 ad1816_write(ad1816, 1, 0x2); /* disable interrupts */
561 ad1816_write(ad1816, 32, 0x90F0); /* SoundSys Mode, split fmt */
562
563 ad1816_write(ad1816, 5, 0x8080); /* FM volume mute */
564 ad1816_write(ad1816, 6, 0x8080); /* I2S1 volume mute */
565 ad1816_write(ad1816, 7, 0x8080); /* I2S0 volume mute */
566 ad1816_write(ad1816, 17, 0x8888); /* VID Volume mute */
567 ad1816_write(ad1816, 20, 0x5050); /* recsrc mic, agc off */
568 /* adc gain is set to 0 */
569
570 return 0;
571 }
572
573 static int
574 ad1816_probe(device_t dev)
575 {
576 char *s = NULL;
577 u_int32_t logical_id = isa_get_logicalid(dev);
578
579 switch (logical_id) {
580 case 0x80719304: /* ADS7180 */
581 s = "AD1816";
582 break;
583 case 0x50719304: /* ADS7150 */
584 s = "AD1815";
585 break;
586 }
587
588 if (s) {
589 device_set_desc(dev, s);
590 return BUS_PROBE_DEFAULT;
591 }
592 return ENXIO;
593 }
594
595 static int
596 ad1816_attach(device_t dev)
597 {
598 struct ad1816_info *ad1816;
599 char status[SND_STATUSLEN], status2[SND_STATUSLEN];
600
601 ad1816 = malloc(sizeof(*ad1816), M_DEVBUF, M_WAITOK | M_ZERO);
602 ad1816->lock = snd_mtxcreate(device_get_nameunit(dev),
603 "snd_ad1816 softc");
604 ad1816->io_rid = 2;
605 ad1816->irq_rid = 0;
606 ad1816->drq1_rid = 0;
607 ad1816->drq2_rid = 1;
608 ad1816->bufsize = pcm_getbuffersize(dev, 4096, DSP_BUFFSIZE, 65536);
609
610 if (!ad1816_alloc_resources(ad1816, dev)) goto no;
611 ad1816_init(ad1816, dev);
612 if (mixer_init(dev, &ad1816mixer_class, ad1816)) goto no;
613
614 snd_setup_intr(dev, ad1816->irq, 0, ad1816_intr, ad1816, &ad1816->ih);
615 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2,
616 /*boundary*/0,
617 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
618 /*highaddr*/BUS_SPACE_MAXADDR,
619 /*filter*/NULL, /*filterarg*/NULL,
620 /*maxsize*/ad1816->bufsize, /*nsegments*/1,
621 /*maxsegz*/0x3ffff,
622 /*flags*/0, /*lockfunc*/busdma_lock_mutex,
623 /*lockarg*/ &Giant, &ad1816->parent_dmat) != 0) {
624 device_printf(dev, "unable to create dma tag\n");
625 goto no;
626 }
627 if (ad1816->drq2)
628 snprintf(status2, SND_STATUSLEN, ":%ld", rman_get_start(ad1816->drq2));
629 else
630 status2[0] = '\0';
631
632 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %u %s",
633 rman_get_start(ad1816->io_base),
634 rman_get_start(ad1816->irq),
635 rman_get_start(ad1816->drq1),
636 status2,
637 ad1816->bufsize,
638 PCM_KLDSTRING(snd_ad1816));
639
640 if (pcm_register(dev, ad1816, 1, 1)) goto no;
641 pcm_addchan(dev, PCMDIR_REC, &ad1816chan_class, ad1816);
642 pcm_addchan(dev, PCMDIR_PLAY, &ad1816chan_class, ad1816);
643 pcm_setstatus(dev, status);
644
645 return 0;
646 no:
647 ad1816_release_resources(ad1816, dev);
648
649 return ENXIO;
650
651 }
652
653 static int
654 ad1816_detach(device_t dev)
655 {
656 int r;
657 struct ad1816_info *ad1816;
658
659 r = pcm_unregister(dev);
660 if (r)
661 return r;
662
663 ad1816 = pcm_getdevinfo(dev);
664 ad1816_release_resources(ad1816, dev);
665 return 0;
666 }
667
668 static device_method_t ad1816_methods[] = {
669 /* Device interface */
670 DEVMETHOD(device_probe, ad1816_probe),
671 DEVMETHOD(device_attach, ad1816_attach),
672 DEVMETHOD(device_detach, ad1816_detach),
673
674 { 0, 0 }
675 };
676
677 static driver_t ad1816_driver = {
678 "pcm",
679 ad1816_methods,
680 PCM_SOFTC_SIZE,
681 };
682
683 DRIVER_MODULE(snd_ad1816, isa, ad1816_driver, pcm_devclass, 0, 0);
684 DRIVER_MODULE(snd_ad1816, acpi, ad1816_driver, pcm_devclass, 0, 0);
685 MODULE_DEPEND(snd_ad1816, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
686 MODULE_VERSION(snd_ad1816, 1);
687
688
Cache object: 5618bf62bb353d83597f4f5501b874e1
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