ad1816.c revision 67652
1/* 2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk> 3 * Copyright Luigi Rizzo, 1997,1998 4 * Copyright by Hannu Savolainen 1994, 1995 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 * $FreeBSD: head/sys/dev/sound/isa/ad1816.c 67652 2000-10-26 20:46:58Z cg $ 29 */ 30 31#include <dev/sound/pcm/sound.h> 32#include <dev/sound/isa/ad1816.h> 33 34struct ad1816_info; 35 36struct ad1816_chinfo { 37 struct ad1816_info *parent; 38 pcm_channel *channel; 39 snd_dbuf *buffer; 40 int dir; 41}; 42 43struct ad1816_info { 44 struct resource *io_base; /* primary I/O address for the board */ 45 int io_rid; 46 struct resource *irq; 47 int irq_rid; 48 struct resource *drq1; /* play */ 49 int drq1_rid; 50 struct resource *drq2; /* rec */ 51 int drq2_rid; 52 void *ih; 53 bus_dma_tag_t parent_dmat; 54 55 struct ad1816_chinfo pch, rch; 56}; 57 58static driver_intr_t ad1816_intr; 59static int ad1816_probe(device_t dev); 60static int ad1816_attach(device_t dev); 61 62/* IO primitives */ 63static int ad1816_wait_init(struct ad1816_info *ad1816, int x); 64static u_short ad1816_read(struct ad1816_info *ad1816, u_int reg); 65static void ad1816_write(struct ad1816_info *ad1816, u_int reg, u_short data); 66 67static int ad1816mix_init(snd_mixer *m); 68static int ad1816mix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right); 69static int ad1816mix_setrecsrc(snd_mixer *m, u_int32_t src); 70static snd_mixer ad1816_mixer = { 71 "ad1816 mixer", 72 ad1816mix_init, 73 NULL, 74 NULL, 75 ad1816mix_set, 76 ad1816mix_setrecsrc, 77}; 78 79static devclass_t pcm_devclass; 80 81/* channel interface */ 82static void *ad1816chan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir); 83static int ad1816chan_setdir(void *data, int dir); 84static int ad1816chan_setformat(void *data, u_int32_t format); 85static int ad1816chan_setspeed(void *data, u_int32_t speed); 86static int ad1816chan_setblocksize(void *data, u_int32_t blocksize); 87static int ad1816chan_trigger(void *data, int go); 88static int ad1816chan_getptr(void *data); 89static pcmchan_caps *ad1816chan_getcaps(void *data); 90 91static u_int32_t ad1816_fmt[] = { 92 AFMT_U8, 93 AFMT_STEREO | AFMT_U8, 94 AFMT_S16_LE, 95 AFMT_STEREO | AFMT_S16_LE, 96 AFMT_MU_LAW, 97 AFMT_STEREO | AFMT_MU_LAW, 98 AFMT_A_LAW, 99 AFMT_STEREO | AFMT_A_LAW, 100 0 101}; 102 103static pcmchan_caps ad1816_caps = {4000, 55200, ad1816_fmt, 0}; 104 105static pcm_channel ad1816_chantemplate = { 106 ad1816chan_init, 107 ad1816chan_setdir, 108 ad1816chan_setformat, 109 ad1816chan_setspeed, 110 ad1816chan_setblocksize, 111 ad1816chan_trigger, 112 ad1816chan_getptr, 113 ad1816chan_getcaps, 114 NULL, /* free */ 115 NULL, /* nop1 */ 116 NULL, /* nop2 */ 117 NULL, /* nop3 */ 118 NULL, /* nop4 */ 119 NULL, /* nop5 */ 120 NULL, /* nop6 */ 121 NULL, /* nop7 */ 122}; 123 124#define AD1816_MUTE 31 /* value for mute */ 125 126static int 127port_rd(struct resource *port, int off) 128{ 129 if (port) 130 return bus_space_read_1(rman_get_bustag(port), 131 rman_get_bushandle(port), 132 off); 133 else 134 return -1; 135} 136 137static void 138port_wr(struct resource *port, int off, u_int8_t data) 139{ 140 if (port) 141 return bus_space_write_1(rman_get_bustag(port), 142 rman_get_bushandle(port), 143 off, data); 144} 145 146static int 147io_rd(struct ad1816_info *ad1816, int reg) 148{ 149 return port_rd(ad1816->io_base, reg); 150} 151 152static void 153io_wr(struct ad1816_info *ad1816, int reg, u_int8_t data) 154{ 155 return port_wr(ad1816->io_base, reg, data); 156} 157 158static void 159ad1816_intr(void *arg) 160{ 161 struct ad1816_info *ad1816 = (struct ad1816_info *)arg; 162 unsigned char c, served = 0; 163 164 /* get interupt status */ 165 c = io_rd(ad1816, AD1816_INT); 166 167 /* check for stray interupts */ 168 if (c & ~(AD1816_INTRCI | AD1816_INTRPI)) { 169 printf("pcm: stray int (%x)\n", c); 170 c &= AD1816_INTRCI | AD1816_INTRPI; 171 } 172 /* check for capture interupt */ 173 if (ad1816->rch.buffer->dl && (c & AD1816_INTRCI)) { 174 chn_intr(ad1816->rch.channel); 175 served |= AD1816_INTRCI; /* cp served */ 176 } 177 /* check for playback interupt */ 178 if (ad1816->pch.buffer->dl && (c & AD1816_INTRPI)) { 179 chn_intr(ad1816->pch.channel); 180 served |= AD1816_INTRPI; /* pb served */ 181 } 182 if (served == 0) { 183 /* this probably means this is not a (working) ad1816 chip, */ 184 /* or an error in dma handling */ 185 printf("pcm: int without reason (%x)\n", c); 186 c = 0; 187 } else c &= ~served; 188 io_wr(ad1816, AD1816_INT, c); 189 c = io_rd(ad1816, AD1816_INT); 190 if (c != 0) printf("pcm: int clear failed (%x)\n", c); 191} 192 193static int 194ad1816_wait_init(struct ad1816_info *ad1816, int x) 195{ 196 int n = 0; /* to shut up the compiler... */ 197 198 for (; x--;) 199 if ((n = (io_rd(ad1816, AD1816_ALE) & AD1816_BUSY)) == 0) DELAY(10); 200 else return n; 201 printf("ad1816_wait_init failed 0x%02x.\n", n); 202 return -1; 203} 204 205static unsigned short 206ad1816_read(struct ad1816_info *ad1816, unsigned int reg) 207{ 208 int flags; 209 u_short x = 0; 210 211 /* we don't want to be blocked here */ 212 flags = spltty(); 213 if (ad1816_wait_init(ad1816, 100) == -1) return 0; 214 io_wr(ad1816, AD1816_ALE, 0); 215 io_wr(ad1816, AD1816_ALE, (reg & AD1816_ALEMASK)); 216 if (ad1816_wait_init(ad1816, 100) == -1) return 0; 217 x = (io_rd(ad1816, AD1816_HIGH) << 8) | io_rd(ad1816, AD1816_LOW); 218 splx(flags); 219 return x; 220} 221 222static void 223ad1816_write(struct ad1816_info *ad1816, unsigned int reg, unsigned short data) 224{ 225 int flags; 226 227 flags = spltty(); 228 if (ad1816_wait_init(ad1816, 100) == -1) return; 229 io_wr(ad1816, AD1816_ALE, (reg & AD1816_ALEMASK)); 230 io_wr(ad1816, AD1816_LOW, (data & 0x000000ff)); 231 io_wr(ad1816, AD1816_HIGH, (data & 0x0000ff00) >> 8); 232 splx(flags); 233} 234 235static int 236ad1816mix_init(snd_mixer *m) 237{ 238 mix_setdevs(m, AD1816_MIXER_DEVICES); 239 mix_setrecdevs(m, AD1816_REC_DEVICES); 240 return 0; 241} 242 243static int 244ad1816mix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right) 245{ 246 struct ad1816_info *ad1816 = mix_getdevinfo(m); 247 u_short reg = 0; 248 249 /* Scale volumes */ 250 left = AD1816_MUTE - (AD1816_MUTE * left) / 100; 251 right = AD1816_MUTE - (AD1816_MUTE * right) / 100; 252 253 reg = (left << 8) | right; 254 255 /* do channel selective muting if volume is zero */ 256 if (left == AD1816_MUTE) reg |= 0x8000; 257 if (right == AD1816_MUTE) reg |= 0x0080; 258 259 switch (dev) { 260 case SOUND_MIXER_VOLUME: /* Register 14 master volume */ 261 ad1816_write(ad1816, 14, reg); 262 break; 263 264 case SOUND_MIXER_CD: /* Register 15 cd */ 265 case SOUND_MIXER_LINE1: 266 ad1816_write(ad1816, 15, reg); 267 break; 268 269 case SOUND_MIXER_SYNTH: /* Register 16 synth */ 270 ad1816_write(ad1816, 16, reg); 271 break; 272 273 case SOUND_MIXER_PCM: /* Register 4 pcm */ 274 ad1816_write(ad1816, 4, reg); 275 break; 276 277 case SOUND_MIXER_LINE: 278 case SOUND_MIXER_LINE3: /* Register 18 line in */ 279 ad1816_write(ad1816, 18, reg); 280 break; 281 282 case SOUND_MIXER_MIC: /* Register 19 mic volume */ 283 ad1816_write(ad1816, 19, reg & ~0xff); /* mic is mono */ 284 break; 285 286 case SOUND_MIXER_IGAIN: 287 /* and now to something completely different ... */ 288 ad1816_write(ad1816, 20, ((ad1816_read(ad1816, 20) & ~0x0f0f) 289 | (((AD1816_MUTE - left) / 2) << 8) /* four bits of adc gain */ 290 | ((AD1816_MUTE - right) / 2))); 291 break; 292 293 default: 294 printf("ad1816_mixer_set(): unknown device.\n"); 295 break; 296 } 297 298 left = ((AD1816_MUTE - left) * 100) / AD1816_MUTE; 299 right = ((AD1816_MUTE - right) * 100) / AD1816_MUTE; 300 301 return left | (right << 8); 302} 303 304static int 305ad1816mix_setrecsrc(snd_mixer *m, u_int32_t src) 306{ 307 struct ad1816_info *ad1816 = mix_getdevinfo(m); 308 int dev; 309 310 switch (src) { 311 case SOUND_MASK_LINE: 312 case SOUND_MASK_LINE3: 313 dev = 0x00; 314 break; 315 316 case SOUND_MASK_CD: 317 case SOUND_MASK_LINE1: 318 dev = 0x20; 319 break; 320 321 case SOUND_MASK_MIC: 322 default: 323 dev = 0x50; 324 src = SOUND_MASK_MIC; 325 } 326 327 dev |= dev << 8; 328 ad1816_write(ad1816, 20, (ad1816_read(ad1816, 20) & ~0x7070) | dev); 329 return src; 330} 331 332/* channel interface */ 333static void * 334ad1816chan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir) 335{ 336 struct ad1816_info *ad1816 = devinfo; 337 struct ad1816_chinfo *ch = (dir == PCMDIR_PLAY)? &ad1816->pch : &ad1816->rch; 338 339 ch->parent = ad1816; 340 ch->channel = c; 341 ch->buffer = b; 342 ch->buffer->bufsize = DSP_BUFFSIZE; 343 if (chn_allocbuf(ch->buffer, ad1816->parent_dmat) == -1) return NULL; 344 return ch; 345} 346 347static int 348ad1816chan_setdir(void *data, int dir) 349{ 350 struct ad1816_chinfo *ch = data; 351 struct ad1816_info *ad1816 = ch->parent; 352 353 ch->buffer->chan = rman_get_start((dir == PCMDIR_PLAY)? 354 ad1816->drq1 : ad1816->drq2); 355 ch->dir = dir; 356 return 0; 357} 358 359static int 360ad1816chan_setformat(void *data, u_int32_t format) 361{ 362 struct ad1816_chinfo *ch = data; 363 struct ad1816_info *ad1816 = ch->parent; 364 365 int fmt = AD1816_U8, reg; 366 if (ch->dir == PCMDIR_PLAY) { 367 reg = AD1816_PLAY; 368 ad1816_write(ad1816, 8, 0x0000); /* reset base and current counter */ 369 ad1816_write(ad1816, 9, 0x0000); /* for playback and capture */ 370 } else { 371 reg = AD1816_CAPT; 372 ad1816_write(ad1816, 10, 0x0000); 373 ad1816_write(ad1816, 11, 0x0000); 374 } 375 switch (format & ~AFMT_STEREO) { 376 case AFMT_A_LAW: 377 fmt = AD1816_ALAW; 378 break; 379 380 case AFMT_MU_LAW: 381 fmt = AD1816_MULAW; 382 break; 383 384 case AFMT_S16_LE: 385 fmt = AD1816_S16LE; 386 break; 387 388 case AFMT_S16_BE: 389 fmt = AD1816_S16BE; 390 break; 391 392 case AFMT_U8: 393 fmt = AD1816_U8; 394 break; 395 } 396 if (format & AFMT_STEREO) fmt |= AD1816_STEREO; 397 io_wr(ad1816, reg, fmt); 398 return format; 399} 400 401static int 402ad1816chan_setspeed(void *data, u_int32_t speed) 403{ 404 struct ad1816_chinfo *ch = data; 405 struct ad1816_info *ad1816 = ch->parent; 406 407 RANGE(speed, 4000, 55200); 408 ad1816_write(ad1816, (ch->dir == PCMDIR_PLAY)? 2 : 3, speed); 409 return speed; 410} 411 412static int 413ad1816chan_setblocksize(void *data, u_int32_t blocksize) 414{ 415 return blocksize; 416} 417 418static int 419ad1816chan_trigger(void *data, int go) 420{ 421 struct ad1816_chinfo *ch = data; 422 struct ad1816_info *ad1816 = ch->parent; 423 int wr, reg; 424 425 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 426 return 0; 427 428 buf_isadma(ch->buffer, go); 429 wr = (ch->dir == PCMDIR_PLAY); 430 reg = wr? AD1816_PLAY : AD1816_CAPT; 431 switch (go) { 432 case PCMTRIG_START: 433 /* start only if not already running */ 434 if (!(io_rd(ad1816, reg) & AD1816_ENABLE)) { 435 int cnt = ((ch->buffer->dl) >> 2) - 1; 436 ad1816_write(ad1816, wr? 8 : 10, cnt); /* count */ 437 ad1816_write(ad1816, wr? 9 : 11, 0); /* reset cur cnt */ 438 ad1816_write(ad1816, 1, ad1816_read(ad1816, 1) | 439 (wr? 0x8000 : 0x4000)); /* enable int */ 440 /* enable playback */ 441 io_wr(ad1816, reg, io_rd(ad1816, reg) | AD1816_ENABLE); 442 if (!(io_rd(ad1816, reg) & AD1816_ENABLE)) 443 printf("ad1816: failed to start %s DMA!\n", 444 wr? "play" : "rec"); 445 } 446 break; 447 448 case PCMTRIG_STOP: 449 case PCMTRIG_ABORT: /* XXX check this... */ 450 /* we don't test here if it is running... */ 451 if (wr) { 452 ad1816_write(ad1816, 1, ad1816_read(ad1816, 1) & 453 ~(wr? 0x8000 : 0x4000)); 454 /* disable int */ 455 io_wr(ad1816, reg, io_rd(ad1816, reg) & ~AD1816_ENABLE); 456 /* disable playback */ 457 if (io_rd(ad1816, reg) & AD1816_ENABLE) 458 printf("ad1816: failed to stop %s DMA!\n", 459 wr? "play" : "rec"); 460 ad1816_write(ad1816, wr? 8 : 10, 0); /* reset base cnt */ 461 ad1816_write(ad1816, wr? 9 : 11, 0); /* reset cur cnt */ 462 } 463 break; 464 } 465 return 0; 466} 467 468static int 469ad1816chan_getptr(void *data) 470{ 471 struct ad1816_chinfo *ch = data; 472 return buf_isadmaptr(ch->buffer); 473} 474 475static pcmchan_caps * 476ad1816chan_getcaps(void *data) 477{ 478 return &ad1816_caps; 479} 480 481static void 482ad1816_release_resources(struct ad1816_info *ad1816, device_t dev) 483{ 484 if (ad1816->irq) { 485 if (ad1816->ih) 486 bus_teardown_intr(dev, ad1816->irq, ad1816->ih); 487 bus_release_resource(dev, SYS_RES_IRQ, ad1816->irq_rid, 488 ad1816->irq); 489 ad1816->irq = 0; 490 } 491 if (ad1816->drq1) { 492 bus_release_resource(dev, SYS_RES_DRQ, ad1816->drq1_rid, 493 ad1816->drq1); 494 ad1816->drq1 = 0; 495 } 496 if (ad1816->drq2) { 497 bus_release_resource(dev, SYS_RES_DRQ, ad1816->drq2_rid, 498 ad1816->drq2); 499 ad1816->drq2 = 0; 500 } 501 if (ad1816->io_base) { 502 bus_release_resource(dev, SYS_RES_IOPORT, ad1816->io_rid, 503 ad1816->io_base); 504 ad1816->io_base = 0; 505 } 506 if (ad1816->parent_dmat) { 507 bus_dma_tag_destroy(ad1816->parent_dmat); 508 ad1816->parent_dmat = 0; 509 } 510 free(ad1816, M_DEVBUF); 511} 512 513static int 514ad1816_alloc_resources(struct ad1816_info *ad1816, device_t dev) 515{ 516 int ok = 1, pdma, rdma; 517 if (!ad1816->io_base) 518 ad1816->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &ad1816->io_rid, 519 0, ~0, 1, RF_ACTIVE); 520 if (!ad1816->irq) 521 ad1816->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &ad1816->irq_rid, 522 0, ~0, 1, RF_ACTIVE); 523 if (!ad1816->drq1) 524 ad1816->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ, &ad1816->drq1_rid, 525 0, ~0, 1, RF_ACTIVE); 526 if (!ad1816->drq2) 527 ad1816->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ, &ad1816->drq2_rid, 528 0, ~0, 1, RF_ACTIVE); 529 530 if (!ad1816->io_base || !ad1816->drq1 || !ad1816->irq) ok = 0; 531 532 if (ok) { 533 pdma = rman_get_start(ad1816->drq1); 534 isa_dma_acquire(pdma); 535 isa_dmainit(pdma, DSP_BUFFSIZE); 536 if (ad1816->drq2) { 537 rdma = rman_get_start(ad1816->drq2); 538 isa_dma_acquire(rdma); 539 isa_dmainit(rdma, DSP_BUFFSIZE); 540 } else rdma = pdma; 541 if (pdma == rdma) 542 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 543 } 544 return ok; 545} 546 547static int 548ad1816_init(struct ad1816_info *ad1816, device_t dev) 549{ 550 ad1816_write(ad1816, 1, 0x2); /* disable interrupts */ 551 ad1816_write(ad1816, 32, 0x90F0); /* SoundSys Mode, split fmt */ 552 553 ad1816_write(ad1816, 5, 0x8080); /* FM volume mute */ 554 ad1816_write(ad1816, 6, 0x8080); /* I2S1 volume mute */ 555 ad1816_write(ad1816, 7, 0x8080); /* I2S0 volume mute */ 556 ad1816_write(ad1816, 17, 0x8888); /* VID Volume mute */ 557 ad1816_write(ad1816, 20, 0x5050); /* recsrc mic, agc off */ 558 /* adc gain is set to 0 */ 559 560 return 0; 561} 562 563static int 564ad1816_probe(device_t dev) 565{ 566 char *s = NULL; 567 u_int32_t logical_id = isa_get_logicalid(dev); 568 569 switch (logical_id) { 570 case 0x80719304: /* ADS7180 */ 571 s = "AD1816"; 572 break; 573 } 574 575 if (s) { 576 device_set_desc(dev, s); 577 return 0; 578 } 579 return ENXIO; 580} 581 582static int 583ad1816_attach(device_t dev) 584{ 585 struct ad1816_info *ad1816; 586 char status[SND_STATUSLEN]; 587 588 ad1816 = (struct ad1816_info *)malloc(sizeof *ad1816, M_DEVBUF, M_NOWAIT); 589 if (!ad1816) return ENXIO; 590 bzero(ad1816, sizeof *ad1816); 591 592 ad1816->io_rid = 2; 593 ad1816->irq_rid = 0; 594 ad1816->drq1_rid = 0; 595 ad1816->drq2_rid = 1; 596 597 if (!ad1816_alloc_resources(ad1816, dev)) goto no; 598 ad1816_init(ad1816, dev); 599 mixer_init(dev, &ad1816_mixer, ad1816); 600 bus_setup_intr(dev, ad1816->irq, INTR_TYPE_TTY, ad1816_intr, ad1816, &ad1816->ih); 601 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, 602 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 603 /*highaddr*/BUS_SPACE_MAXADDR, 604 /*filter*/NULL, /*filterarg*/NULL, 605 /*maxsize*/DSP_BUFFSIZE, /*nsegments*/1, 606 /*maxsegz*/0x3ffff, 607 /*flags*/0, &ad1816->parent_dmat) != 0) { 608 device_printf(dev, "unable to create dma tag\n"); 609 goto no; 610 } 611 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld", 612 rman_get_start(ad1816->io_base), 613 rman_get_start(ad1816->irq), 614 rman_get_start(ad1816->drq1)); 615 if (ad1816->drq2) snprintf(status + strlen(status), 616 SND_STATUSLEN - strlen(status), ":%ld", 617 rman_get_start(ad1816->drq2)); 618 619 if (pcm_register(dev, ad1816, 1, 1)) goto no; 620 pcm_addchan(dev, PCMDIR_REC, &ad1816_chantemplate, ad1816); 621 pcm_addchan(dev, PCMDIR_PLAY, &ad1816_chantemplate, ad1816); 622 pcm_setstatus(dev, status); 623 624 return 0; 625no: 626 ad1816_release_resources(ad1816, dev); 627 return ENXIO; 628 629} 630 631static int 632ad1816_detach(device_t dev) 633{ 634 int r; 635 struct ad1816_info *ad1816; 636 637 r = pcm_unregister(dev); 638 if (r) 639 return r; 640 641 ad1816 = pcm_getdevinfo(dev); 642 ad1816_release_resources(ad1816, dev); 643 return 0; 644} 645 646static device_method_t ad1816_methods[] = { 647 /* Device interface */ 648 DEVMETHOD(device_probe, ad1816_probe), 649 DEVMETHOD(device_attach, ad1816_attach), 650 DEVMETHOD(device_detach, ad1816_detach), 651 652 { 0, 0 } 653}; 654 655static driver_t ad1816_driver = { 656 "pcm", 657 ad1816_methods, 658 sizeof(snddev_info), 659}; 660 661DRIVER_MODULE(snd_ad1816, isa, ad1816_driver, pcm_devclass, 0, 0); 662MODULE_DEPEND(snd_ad1816, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); 663MODULE_VERSION(snd_ad1816, 1); 664 665 666