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 #ifdef HAVE_KERNEL_OPTION_HEADERS
30 #include "opt_snd.h"
31 #endif
32
33 #include <dev/sound/pcm/sound.h>
34 #include <dev/sound/isa/ad1816.h>
35
36 #include <isa/isavar.h>
37
38 #include "mixer_if.h"
39
40 SND_DECLARE_FILE("$FreeBSD: stable/9/sys/dev/sound/isa/ad1816.c 193640 2009-06-07 19:12:08Z ariff $");
41
42 struct ad1816_info;
43
44 struct ad1816_chinfo {
45 struct ad1816_info *parent;
46 struct pcm_channel *channel;
47 struct snd_dbuf *buffer;
48 int dir, blksz;
49 };
50
51 struct ad1816_info {
52 struct resource *io_base; /* primary I/O address for the board */
53 int io_rid;
54 struct resource *irq;
55 int irq_rid;
56 struct resource *drq1; /* play */
57 int drq1_rid;
58 struct resource *drq2; /* rec */
59 int drq2_rid;
60 void *ih;
61 bus_dma_tag_t parent_dmat;
62 struct mtx *lock;
63
64 unsigned int bufsize;
65 struct ad1816_chinfo pch, rch;
66 };
67
68 static u_int32_t ad1816_fmt[] = {
69 SND_FORMAT(AFMT_U8, 1, 0),
70 SND_FORMAT(AFMT_U8, 2, 0),
71 SND_FORMAT(AFMT_S16_LE, 1, 0),
72 SND_FORMAT(AFMT_S16_LE, 2, 0),
73 SND_FORMAT(AFMT_MU_LAW, 1, 0),
74 SND_FORMAT(AFMT_MU_LAW, 2, 0),
75 SND_FORMAT(AFMT_A_LAW, 1, 0),
76 SND_FORMAT(AFMT_A_LAW, 2, 0),
77 0
78 };
79
80 static struct pcmchan_caps ad1816_caps = {4000, 55200, ad1816_fmt, 0};
81
82 #define AD1816_MUTE 31 /* value for mute */
83
84 static void
ad1816_lock(struct ad1816_info * ad1816)85 ad1816_lock(struct ad1816_info *ad1816)
86 {
87 snd_mtxlock(ad1816->lock);
88 }
89
90 static void
ad1816_unlock(struct ad1816_info * ad1816)91 ad1816_unlock(struct ad1816_info *ad1816)
92 {
93 snd_mtxunlock(ad1816->lock);
94 }
95
96 static int
port_rd(struct resource * port,int off)97 port_rd(struct resource *port, int off)
98 {
99 if (port)
100 return bus_space_read_1(rman_get_bustag(port),
101 rman_get_bushandle(port),
102 off);
103 else
104 return -1;
105 }
106
107 static void
port_wr(struct resource * port,int off,u_int8_t data)108 port_wr(struct resource *port, int off, u_int8_t data)
109 {
110 if (port)
111 bus_space_write_1(rman_get_bustag(port),
112 rman_get_bushandle(port),
113 off, data);
114 }
115
116 static int
io_rd(struct ad1816_info * ad1816,int reg)117 io_rd(struct ad1816_info *ad1816, int reg)
118 {
119 return port_rd(ad1816->io_base, reg);
120 }
121
122 static void
io_wr(struct ad1816_info * ad1816,int reg,u_int8_t data)123 io_wr(struct ad1816_info *ad1816, int reg, u_int8_t data)
124 {
125 port_wr(ad1816->io_base, reg, data);
126 }
127
128 static void
ad1816_intr(void * arg)129 ad1816_intr(void *arg)
130 {
131 struct ad1816_info *ad1816 = (struct ad1816_info *)arg;
132 unsigned char c, served = 0;
133
134 ad1816_lock(ad1816);
135 /* get interrupt status */
136 c = io_rd(ad1816, AD1816_INT);
137
138 /* check for stray interrupts */
139 if (c & ~(AD1816_INTRCI | AD1816_INTRPI)) {
140 printf("pcm: stray int (%x)\n", c);
141 c &= AD1816_INTRCI | AD1816_INTRPI;
142 }
143 /* check for capture interrupt */
144 if (sndbuf_runsz(ad1816->rch.buffer) && (c & AD1816_INTRCI)) {
145 ad1816_unlock(ad1816);
146 chn_intr(ad1816->rch.channel);
147 ad1816_lock(ad1816);
148 served |= AD1816_INTRCI; /* cp served */
149 }
150 /* check for playback interrupt */
151 if (sndbuf_runsz(ad1816->pch.buffer) && (c & AD1816_INTRPI)) {
152 ad1816_unlock(ad1816);
153 chn_intr(ad1816->pch.channel);
154 ad1816_lock(ad1816);
155 served |= AD1816_INTRPI; /* pb served */
156 }
157 if (served == 0) {
158 /* this probably means this is not a (working) ad1816 chip, */
159 /* or an error in dma handling */
160 printf("pcm: int without reason (%x)\n", c);
161 c = 0;
162 } else c &= ~served;
163 io_wr(ad1816, AD1816_INT, c);
164 c = io_rd(ad1816, AD1816_INT);
165 if (c != 0) printf("pcm: int clear failed (%x)\n", c);
166 ad1816_unlock(ad1816);
167 }
168
169 static int
ad1816_wait_init(struct ad1816_info * ad1816,int x)170 ad1816_wait_init(struct ad1816_info *ad1816, int x)
171 {
172 int n = 0; /* to shut up the compiler... */
173
174 for (; x--;)
175 if ((n = (io_rd(ad1816, AD1816_ALE) & AD1816_BUSY)) == 0) DELAY(10);
176 else return n;
177 printf("ad1816_wait_init failed 0x%02x.\n", n);
178 return -1;
179 }
180
181 static unsigned short
ad1816_read(struct ad1816_info * ad1816,unsigned int reg)182 ad1816_read(struct ad1816_info *ad1816, unsigned int reg)
183 {
184 u_short x = 0;
185
186 if (ad1816_wait_init(ad1816, 100) == -1) return 0;
187 io_wr(ad1816, AD1816_ALE, 0);
188 io_wr(ad1816, AD1816_ALE, (reg & AD1816_ALEMASK));
189 if (ad1816_wait_init(ad1816, 100) == -1) return 0;
190 x = (io_rd(ad1816, AD1816_HIGH) << 8) | io_rd(ad1816, AD1816_LOW);
191 return x;
192 }
193
194 static void
ad1816_write(struct ad1816_info * ad1816,unsigned int reg,unsigned short data)195 ad1816_write(struct ad1816_info *ad1816, unsigned int reg, unsigned short data)
196 {
197 if (ad1816_wait_init(ad1816, 100) == -1) return;
198 io_wr(ad1816, AD1816_ALE, (reg & AD1816_ALEMASK));
199 io_wr(ad1816, AD1816_LOW, (data & 0x000000ff));
200 io_wr(ad1816, AD1816_HIGH, (data & 0x0000ff00) >> 8);
201 }
202
203 /* -------------------------------------------------------------------- */
204
205 static int
ad1816mix_init(struct snd_mixer * m)206 ad1816mix_init(struct snd_mixer *m)
207 {
208 mix_setdevs(m, AD1816_MIXER_DEVICES);
209 mix_setrecdevs(m, AD1816_REC_DEVICES);
210 return 0;
211 }
212
213 static int
ad1816mix_set(struct snd_mixer * m,unsigned dev,unsigned left,unsigned right)214 ad1816mix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
215 {
216 struct ad1816_info *ad1816 = mix_getdevinfo(m);
217 u_short reg = 0;
218
219 /* Scale volumes */
220 left = AD1816_MUTE - (AD1816_MUTE * left) / 100;
221 right = AD1816_MUTE - (AD1816_MUTE * right) / 100;
222
223 reg = (left << 8) | right;
224
225 /* do channel selective muting if volume is zero */
226 if (left == AD1816_MUTE) reg |= 0x8000;
227 if (right == AD1816_MUTE) reg |= 0x0080;
228
229 ad1816_lock(ad1816);
230 switch (dev) {
231 case SOUND_MIXER_VOLUME: /* Register 14 master volume */
232 ad1816_write(ad1816, 14, reg);
233 break;
234
235 case SOUND_MIXER_CD: /* Register 15 cd */
236 case SOUND_MIXER_LINE1:
237 ad1816_write(ad1816, 15, reg);
238 break;
239
240 case SOUND_MIXER_SYNTH: /* Register 16 synth */
241 ad1816_write(ad1816, 16, reg);
242 break;
243
244 case SOUND_MIXER_PCM: /* Register 4 pcm */
245 ad1816_write(ad1816, 4, reg);
246 break;
247
248 case SOUND_MIXER_LINE:
249 case SOUND_MIXER_LINE3: /* Register 18 line in */
250 ad1816_write(ad1816, 18, reg);
251 break;
252
253 case SOUND_MIXER_MIC: /* Register 19 mic volume */
254 ad1816_write(ad1816, 19, reg & ~0xff); /* mic is mono */
255 break;
256
257 case SOUND_MIXER_IGAIN:
258 /* and now to something completely different ... */
259 ad1816_write(ad1816, 20, ((ad1816_read(ad1816, 20) & ~0x0f0f)
260 | (((AD1816_MUTE - left) / 2) << 8) /* four bits of adc gain */
261 | ((AD1816_MUTE - right) / 2)));
262 break;
263
264 default:
265 printf("ad1816_mixer_set(): unknown device.\n");
266 break;
267 }
268 ad1816_unlock(ad1816);
269
270 left = ((AD1816_MUTE - left) * 100) / AD1816_MUTE;
271 right = ((AD1816_MUTE - right) * 100) / AD1816_MUTE;
272
273 return left | (right << 8);
274 }
275
276 static u_int32_t
ad1816mix_setrecsrc(struct snd_mixer * m,u_int32_t src)277 ad1816mix_setrecsrc(struct snd_mixer *m, u_int32_t src)
278 {
279 struct ad1816_info *ad1816 = mix_getdevinfo(m);
280 int dev;
281
282 switch (src) {
283 case SOUND_MASK_LINE:
284 case SOUND_MASK_LINE3:
285 dev = 0x00;
286 break;
287
288 case SOUND_MASK_CD:
289 case SOUND_MASK_LINE1:
290 dev = 0x20;
291 break;
292
293 case SOUND_MASK_MIC:
294 default:
295 dev = 0x50;
296 src = SOUND_MASK_MIC;
297 }
298
299 dev |= dev << 8;
300 ad1816_lock(ad1816);
301 ad1816_write(ad1816, 20, (ad1816_read(ad1816, 20) & ~0x7070) | dev);
302 ad1816_unlock(ad1816);
303 return src;
304 }
305
306 static kobj_method_t ad1816mixer_methods[] = {
307 KOBJMETHOD(mixer_init, ad1816mix_init),
308 KOBJMETHOD(mixer_set, ad1816mix_set),
309 KOBJMETHOD(mixer_setrecsrc, ad1816mix_setrecsrc),
310 KOBJMETHOD_END
311 };
312 MIXER_DECLARE(ad1816mixer);
313
314 /* -------------------------------------------------------------------- */
315 /* channel interface */
316 static void *
ad1816chan_init(kobj_t obj,void * devinfo,struct snd_dbuf * b,struct pcm_channel * c,int dir)317 ad1816chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
318 {
319 struct ad1816_info *ad1816 = devinfo;
320 struct ad1816_chinfo *ch = (dir == PCMDIR_PLAY)? &ad1816->pch : &ad1816->rch;
321
322 ch->dir = dir;
323 ch->parent = ad1816;
324 ch->channel = c;
325 ch->buffer = b;
326 if (sndbuf_alloc(ch->buffer, ad1816->parent_dmat, 0, ad1816->bufsize) != 0)
327 return NULL;
328
329 sndbuf_dmasetup(ch->buffer, (dir == PCMDIR_PLAY) ? ad1816->drq1 :
330 ad1816->drq2);
331 if (SND_DMA(ch->buffer))
332 sndbuf_dmasetdir(ch->buffer, dir);
333
334 return ch;
335 }
336
337 static int
ad1816chan_setformat(kobj_t obj,void * data,u_int32_t format)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 (AFMT_ENCODING(format)) {
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 (AFMT_CHANNEL(format) > 1) 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 u_int32_t
ad1816chan_setspeed(kobj_t obj,void * data,u_int32_t speed)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 u_int32_t
ad1816chan_setblocksize(kobj_t obj,void * data,u_int32_t blocksize)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
ad1816chan_trigger(kobj_t obj,void * data,int go)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 u_int32_t
ad1816chan_getptr(kobj_t obj,void * data)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 *
ad1816chan_getcaps(kobj_t obj,void * data)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_setformat, ad1816chan_setformat),
475 KOBJMETHOD(channel_setspeed, ad1816chan_setspeed),
476 KOBJMETHOD(channel_setblocksize, ad1816chan_setblocksize),
477 KOBJMETHOD(channel_trigger, ad1816chan_trigger),
478 KOBJMETHOD(channel_getptr, ad1816chan_getptr),
479 KOBJMETHOD(channel_getcaps, ad1816chan_getcaps),
480 KOBJMETHOD_END
481 };
482 CHANNEL_DECLARE(ad1816chan);
483
484 /* -------------------------------------------------------------------- */
485
486 static void
ad1816_release_resources(struct ad1816_info * ad1816,device_t dev)487 ad1816_release_resources(struct ad1816_info *ad1816, device_t dev)
488 {
489 if (ad1816->irq) {
490 if (ad1816->ih)
491 bus_teardown_intr(dev, ad1816->irq, ad1816->ih);
492 bus_release_resource(dev, SYS_RES_IRQ, ad1816->irq_rid, ad1816->irq);
493 ad1816->irq = 0;
494 }
495 if (ad1816->drq1) {
496 isa_dma_release(rman_get_start(ad1816->drq1));
497 bus_release_resource(dev, SYS_RES_DRQ, ad1816->drq1_rid, ad1816->drq1);
498 ad1816->drq1 = 0;
499 }
500 if (ad1816->drq2) {
501 isa_dma_release(rman_get_start(ad1816->drq2));
502 bus_release_resource(dev, SYS_RES_DRQ, ad1816->drq2_rid, ad1816->drq2);
503 ad1816->drq2 = 0;
504 }
505 if (ad1816->io_base) {
506 bus_release_resource(dev, SYS_RES_IOPORT, ad1816->io_rid, ad1816->io_base);
507 ad1816->io_base = 0;
508 }
509 if (ad1816->parent_dmat) {
510 bus_dma_tag_destroy(ad1816->parent_dmat);
511 ad1816->parent_dmat = 0;
512 }
513 if (ad1816->lock)
514 snd_mtxfree(ad1816->lock);
515
516 free(ad1816, M_DEVBUF);
517 }
518
519 static int
ad1816_alloc_resources(struct ad1816_info * ad1816,device_t dev)520 ad1816_alloc_resources(struct ad1816_info *ad1816, device_t dev)
521 {
522 int ok = 1, pdma, rdma;
523
524 if (!ad1816->io_base)
525 ad1816->io_base = bus_alloc_resource_any(dev,
526 SYS_RES_IOPORT, &ad1816->io_rid, RF_ACTIVE);
527 if (!ad1816->irq)
528 ad1816->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
529 &ad1816->irq_rid, RF_ACTIVE);
530 if (!ad1816->drq1)
531 ad1816->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ,
532 &ad1816->drq1_rid, RF_ACTIVE);
533 if (!ad1816->drq2)
534 ad1816->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ,
535 &ad1816->drq2_rid, RF_ACTIVE);
536
537 if (!ad1816->io_base || !ad1816->drq1 || !ad1816->irq) ok = 0;
538
539 if (ok) {
540 pdma = rman_get_start(ad1816->drq1);
541 isa_dma_acquire(pdma);
542 isa_dmainit(pdma, ad1816->bufsize);
543 if (ad1816->drq2) {
544 rdma = rman_get_start(ad1816->drq2);
545 isa_dma_acquire(rdma);
546 isa_dmainit(rdma, ad1816->bufsize);
547 } else
548 rdma = pdma;
549 if (pdma == rdma)
550 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
551 }
552
553 return ok;
554 }
555
556 static int
ad1816_init(struct ad1816_info * ad1816,device_t dev)557 ad1816_init(struct ad1816_info *ad1816, device_t dev)
558 {
559 ad1816_write(ad1816, 1, 0x2); /* disable interrupts */
560 ad1816_write(ad1816, 32, 0x90F0); /* SoundSys Mode, split fmt */
561
562 ad1816_write(ad1816, 5, 0x8080); /* FM volume mute */
563 ad1816_write(ad1816, 6, 0x8080); /* I2S1 volume mute */
564 ad1816_write(ad1816, 7, 0x8080); /* I2S0 volume mute */
565 ad1816_write(ad1816, 17, 0x8888); /* VID Volume mute */
566 ad1816_write(ad1816, 20, 0x5050); /* recsrc mic, agc off */
567 /* adc gain is set to 0 */
568
569 return 0;
570 }
571
572 static int
ad1816_probe(device_t dev)573 ad1816_probe(device_t dev)
574 {
575 char *s = NULL;
576 u_int32_t logical_id = isa_get_logicalid(dev);
577
578 switch (logical_id) {
579 case 0x80719304: /* ADS7180 */
580 s = "AD1816";
581 break;
582 case 0x50719304: /* ADS7150 */
583 s = "AD1815";
584 break;
585 }
586
587 if (s) {
588 device_set_desc(dev, s);
589 return BUS_PROBE_DEFAULT;
590 }
591 return ENXIO;
592 }
593
594 static int
ad1816_attach(device_t dev)595 ad1816_attach(device_t dev)
596 {
597 struct ad1816_info *ad1816;
598 char status[SND_STATUSLEN], status2[SND_STATUSLEN];
599
600 ad1816 = malloc(sizeof(*ad1816), M_DEVBUF, M_WAITOK | M_ZERO);
601 ad1816->lock = snd_mtxcreate(device_get_nameunit(dev),
602 "snd_ad1816 softc");
603 ad1816->io_rid = 2;
604 ad1816->irq_rid = 0;
605 ad1816->drq1_rid = 0;
606 ad1816->drq2_rid = 1;
607 ad1816->bufsize = pcm_getbuffersize(dev, 4096, DSP_BUFFSIZE, 65536);
608
609 if (!ad1816_alloc_resources(ad1816, dev)) goto no;
610 ad1816_init(ad1816, dev);
611 if (mixer_init(dev, &ad1816mixer_class, ad1816)) goto no;
612
613 snd_setup_intr(dev, ad1816->irq, 0, ad1816_intr, ad1816, &ad1816->ih);
614 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2,
615 /*boundary*/0,
616 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
617 /*highaddr*/BUS_SPACE_MAXADDR,
618 /*filter*/NULL, /*filterarg*/NULL,
619 /*maxsize*/ad1816->bufsize, /*nsegments*/1,
620 /*maxsegz*/0x3ffff,
621 /*flags*/0, /*lockfunc*/busdma_lock_mutex,
622 /*lockarg*/ &Giant, &ad1816->parent_dmat) != 0) {
623 device_printf(dev, "unable to create dma tag\n");
624 goto no;
625 }
626 if (ad1816->drq2)
627 snprintf(status2, SND_STATUSLEN, ":%ld", rman_get_start(ad1816->drq2));
628 else
629 status2[0] = '\0';
630
631 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %u %s",
632 rman_get_start(ad1816->io_base),
633 rman_get_start(ad1816->irq),
634 rman_get_start(ad1816->drq1),
635 status2,
636 ad1816->bufsize,
637 PCM_KLDSTRING(snd_ad1816));
638
639 if (pcm_register(dev, ad1816, 1, 1)) goto no;
640 pcm_addchan(dev, PCMDIR_REC, &ad1816chan_class, ad1816);
641 pcm_addchan(dev, PCMDIR_PLAY, &ad1816chan_class, ad1816);
642 pcm_setstatus(dev, status);
643
644 return 0;
645 no:
646 ad1816_release_resources(ad1816, dev);
647
648 return ENXIO;
649
650 }
651
652 static int
ad1816_detach(device_t dev)653 ad1816_detach(device_t dev)
654 {
655 int r;
656 struct ad1816_info *ad1816;
657
658 r = pcm_unregister(dev);
659 if (r)
660 return r;
661
662 ad1816 = pcm_getdevinfo(dev);
663 ad1816_release_resources(ad1816, dev);
664 return 0;
665 }
666
667 static device_method_t ad1816_methods[] = {
668 /* Device interface */
669 DEVMETHOD(device_probe, ad1816_probe),
670 DEVMETHOD(device_attach, ad1816_attach),
671 DEVMETHOD(device_detach, ad1816_detach),
672
673 { 0, 0 }
674 };
675
676 static driver_t ad1816_driver = {
677 "pcm",
678 ad1816_methods,
679 PCM_SOFTC_SIZE,
680 };
681
682 DRIVER_MODULE(snd_ad1816, isa, ad1816_driver, pcm_devclass, 0, 0);
683 DRIVER_MODULE(snd_ad1816, acpi, ad1816_driver, pcm_devclass, 0, 0);
684 MODULE_DEPEND(snd_ad1816, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
685 MODULE_VERSION(snd_ad1816, 1);
686
687
688