ad1816.c revision 136469
1/* 2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org> 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 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 36SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/isa/ad1816.c 136469 2004-10-13 05:45:16Z yongari $"); 37 38struct ad1816_info; 39 40struct ad1816_chinfo { 41 struct ad1816_info *parent; 42 struct pcm_channel *channel; 43 struct snd_dbuf *buffer; 44 int dir, blksz; 45}; 46 47struct 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 64static 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 76static struct pcmchan_caps ad1816_caps = {4000, 55200, ad1816_fmt, 0}; 77 78#define AD1816_MUTE 31 /* value for mute */ 79 80static void 81ad1816_lock(struct ad1816_info *ad1816) 82{ 83 snd_mtxlock(ad1816->lock); 84} 85 86static void 87ad1816_unlock(struct ad1816_info *ad1816) 88{ 89 snd_mtxunlock(ad1816->lock); 90} 91 92static int 93port_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 103static void 104port_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 112static int 113io_rd(struct ad1816_info *ad1816, int reg) 114{ 115 return port_rd(ad1816->io_base, reg); 116} 117 118static void 119io_wr(struct ad1816_info *ad1816, int reg, u_int8_t data) 120{ 121 port_wr(ad1816->io_base, reg, data); 122} 123 124static void 125ad1816_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 interupt status */ 132 c = io_rd(ad1816, AD1816_INT); 133 134 /* check for stray interupts */ 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 interupt */ 140 if (sndbuf_runsz(ad1816->rch.buffer) && (c & AD1816_INTRCI)) { 141 chn_intr(ad1816->rch.channel); 142 served |= AD1816_INTRCI; /* cp served */ 143 } 144 /* check for playback interupt */ 145 if (sndbuf_runsz(ad1816->pch.buffer) && (c & AD1816_INTRPI)) { 146 chn_intr(ad1816->pch.channel); 147 served |= AD1816_INTRPI; /* pb served */ 148 } 149 if (served == 0) { 150 /* this probably means this is not a (working) ad1816 chip, */ 151 /* or an error in dma handling */ 152 printf("pcm: int without reason (%x)\n", c); 153 c = 0; 154 } else c &= ~served; 155 io_wr(ad1816, AD1816_INT, c); 156 c = io_rd(ad1816, AD1816_INT); 157 if (c != 0) printf("pcm: int clear failed (%x)\n", c); 158 ad1816_unlock(ad1816); 159} 160 161static int 162ad1816_wait_init(struct ad1816_info *ad1816, int x) 163{ 164 int n = 0; /* to shut up the compiler... */ 165 166 for (; x--;) 167 if ((n = (io_rd(ad1816, AD1816_ALE) & AD1816_BUSY)) == 0) DELAY(10); 168 else return n; 169 printf("ad1816_wait_init failed 0x%02x.\n", n); 170 return -1; 171} 172 173static unsigned short 174ad1816_read(struct ad1816_info *ad1816, unsigned int reg) 175{ 176 u_short x = 0; 177 178 if (ad1816_wait_init(ad1816, 100) == -1) return 0; 179 io_wr(ad1816, AD1816_ALE, 0); 180 io_wr(ad1816, AD1816_ALE, (reg & AD1816_ALEMASK)); 181 if (ad1816_wait_init(ad1816, 100) == -1) return 0; 182 x = (io_rd(ad1816, AD1816_HIGH) << 8) | io_rd(ad1816, AD1816_LOW); 183 return x; 184} 185 186static void 187ad1816_write(struct ad1816_info *ad1816, unsigned int reg, unsigned short data) 188{ 189 if (ad1816_wait_init(ad1816, 100) == -1) return; 190 io_wr(ad1816, AD1816_ALE, (reg & AD1816_ALEMASK)); 191 io_wr(ad1816, AD1816_LOW, (data & 0x000000ff)); 192 io_wr(ad1816, AD1816_HIGH, (data & 0x0000ff00) >> 8); 193} 194 195/* -------------------------------------------------------------------- */ 196 197static int 198ad1816mix_init(struct snd_mixer *m) 199{ 200 mix_setdevs(m, AD1816_MIXER_DEVICES); 201 mix_setrecdevs(m, AD1816_REC_DEVICES); 202 return 0; 203} 204 205static int 206ad1816mix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) 207{ 208 struct ad1816_info *ad1816 = mix_getdevinfo(m); 209 u_short reg = 0; 210 211 /* Scale volumes */ 212 left = AD1816_MUTE - (AD1816_MUTE * left) / 100; 213 right = AD1816_MUTE - (AD1816_MUTE * right) / 100; 214 215 reg = (left << 8) | right; 216 217 /* do channel selective muting if volume is zero */ 218 if (left == AD1816_MUTE) reg |= 0x8000; 219 if (right == AD1816_MUTE) reg |= 0x0080; 220 221 ad1816_lock(ad1816); 222 switch (dev) { 223 case SOUND_MIXER_VOLUME: /* Register 14 master volume */ 224 ad1816_write(ad1816, 14, reg); 225 break; 226 227 case SOUND_MIXER_CD: /* Register 15 cd */ 228 case SOUND_MIXER_LINE1: 229 ad1816_write(ad1816, 15, reg); 230 break; 231 232 case SOUND_MIXER_SYNTH: /* Register 16 synth */ 233 ad1816_write(ad1816, 16, reg); 234 break; 235 236 case SOUND_MIXER_PCM: /* Register 4 pcm */ 237 ad1816_write(ad1816, 4, reg); 238 break; 239 240 case SOUND_MIXER_LINE: 241 case SOUND_MIXER_LINE3: /* Register 18 line in */ 242 ad1816_write(ad1816, 18, reg); 243 break; 244 245 case SOUND_MIXER_MIC: /* Register 19 mic volume */ 246 ad1816_write(ad1816, 19, reg & ~0xff); /* mic is mono */ 247 break; 248 249 case SOUND_MIXER_IGAIN: 250 /* and now to something completely different ... */ 251 ad1816_write(ad1816, 20, ((ad1816_read(ad1816, 20) & ~0x0f0f) 252 | (((AD1816_MUTE - left) / 2) << 8) /* four bits of adc gain */ 253 | ((AD1816_MUTE - right) / 2))); 254 break; 255 256 default: 257 printf("ad1816_mixer_set(): unknown device.\n"); 258 break; 259 } 260 ad1816_unlock(ad1816); 261 262 left = ((AD1816_MUTE - left) * 100) / AD1816_MUTE; 263 right = ((AD1816_MUTE - right) * 100) / AD1816_MUTE; 264 265 return left | (right << 8); 266} 267 268static int 269ad1816mix_setrecsrc(struct snd_mixer *m, u_int32_t src) 270{ 271 struct ad1816_info *ad1816 = mix_getdevinfo(m); 272 int dev; 273 274 switch (src) { 275 case SOUND_MASK_LINE: 276 case SOUND_MASK_LINE3: 277 dev = 0x00; 278 break; 279 280 case SOUND_MASK_CD: 281 case SOUND_MASK_LINE1: 282 dev = 0x20; 283 break; 284 285 case SOUND_MASK_MIC: 286 default: 287 dev = 0x50; 288 src = SOUND_MASK_MIC; 289 } 290 291 dev |= dev << 8; 292 ad1816_lock(ad1816); 293 ad1816_write(ad1816, 20, (ad1816_read(ad1816, 20) & ~0x7070) | dev); 294 ad1816_unlock(ad1816); 295 return src; 296} 297 298static kobj_method_t ad1816mixer_methods[] = { 299 KOBJMETHOD(mixer_init, ad1816mix_init), 300 KOBJMETHOD(mixer_set, ad1816mix_set), 301 KOBJMETHOD(mixer_setrecsrc, ad1816mix_setrecsrc), 302 { 0, 0 } 303}; 304MIXER_DECLARE(ad1816mixer); 305 306/* -------------------------------------------------------------------- */ 307/* channel interface */ 308static void * 309ad1816chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 310{ 311 struct ad1816_info *ad1816 = devinfo; 312 struct ad1816_chinfo *ch = (dir == PCMDIR_PLAY)? &ad1816->pch : &ad1816->rch; 313 314 ch->parent = ad1816; 315 ch->channel = c; 316 ch->buffer = b; 317 if (sndbuf_alloc(ch->buffer, ad1816->parent_dmat, ad1816->bufsize) != 0) 318 return NULL; 319 return ch; 320} 321 322static int 323ad1816chan_setdir(kobj_t obj, void *data, int dir) 324{ 325 struct ad1816_chinfo *ch = data; 326 struct ad1816_info *ad1816 = ch->parent; 327 328 sndbuf_dmasetup(ch->buffer, (dir == PCMDIR_PLAY)? ad1816->drq1 : ad1816->drq2); 329 ch->dir = dir; 330 return 0; 331} 332 333static int 334ad1816chan_setformat(kobj_t obj, void *data, u_int32_t format) 335{ 336 struct ad1816_chinfo *ch = data; 337 struct ad1816_info *ad1816 = ch->parent; 338 int fmt = AD1816_U8, reg; 339 340 ad1816_lock(ad1816); 341 if (ch->dir == PCMDIR_PLAY) { 342 reg = AD1816_PLAY; 343 ad1816_write(ad1816, 8, 0x0000); /* reset base and current counter */ 344 ad1816_write(ad1816, 9, 0x0000); /* for playback and capture */ 345 } else { 346 reg = AD1816_CAPT; 347 ad1816_write(ad1816, 10, 0x0000); 348 ad1816_write(ad1816, 11, 0x0000); 349 } 350 switch (format & ~AFMT_STEREO) { 351 case AFMT_A_LAW: 352 fmt = AD1816_ALAW; 353 break; 354 355 case AFMT_MU_LAW: 356 fmt = AD1816_MULAW; 357 break; 358 359 case AFMT_S16_LE: 360 fmt = AD1816_S16LE; 361 break; 362 363 case AFMT_S16_BE: 364 fmt = AD1816_S16BE; 365 break; 366 367 case AFMT_U8: 368 fmt = AD1816_U8; 369 break; 370 } 371 if (format & AFMT_STEREO) fmt |= AD1816_STEREO; 372 io_wr(ad1816, reg, fmt); 373 ad1816_unlock(ad1816); 374#if 0 375 return format; 376#else 377 return 0; 378#endif 379} 380 381static int 382ad1816chan_setspeed(kobj_t obj, void *data, u_int32_t speed) 383{ 384 struct ad1816_chinfo *ch = data; 385 struct ad1816_info *ad1816 = ch->parent; 386 387 RANGE(speed, 4000, 55200); 388 ad1816_lock(ad1816); 389 ad1816_write(ad1816, (ch->dir == PCMDIR_PLAY)? 2 : 3, speed); 390 ad1816_unlock(ad1816); 391 return speed; 392} 393 394static int 395ad1816chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 396{ 397 struct ad1816_chinfo *ch = data; 398 399 ch->blksz = blocksize; 400 return ch->blksz; 401} 402 403static int 404ad1816chan_trigger(kobj_t obj, void *data, int go) 405{ 406 struct ad1816_chinfo *ch = data; 407 struct ad1816_info *ad1816 = ch->parent; 408 int wr, reg; 409 410 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 411 return 0; 412 413 sndbuf_dma(ch->buffer, go); 414 wr = (ch->dir == PCMDIR_PLAY); 415 reg = wr? AD1816_PLAY : AD1816_CAPT; 416 ad1816_lock(ad1816); 417 switch (go) { 418 case PCMTRIG_START: 419 /* start only if not already running */ 420 if (!(io_rd(ad1816, reg) & AD1816_ENABLE)) { 421 int cnt = ((ch->blksz) >> 2) - 1; 422 ad1816_write(ad1816, wr? 8 : 10, cnt); /* count */ 423 ad1816_write(ad1816, wr? 9 : 11, 0); /* reset cur cnt */ 424 ad1816_write(ad1816, 1, ad1816_read(ad1816, 1) | 425 (wr? 0x8000 : 0x4000)); /* enable int */ 426 /* enable playback */ 427 io_wr(ad1816, reg, io_rd(ad1816, reg) | AD1816_ENABLE); 428 if (!(io_rd(ad1816, reg) & AD1816_ENABLE)) 429 printf("ad1816: failed to start %s DMA!\n", 430 wr? "play" : "rec"); 431 } 432 break; 433 434 case PCMTRIG_STOP: 435 case PCMTRIG_ABORT: /* XXX check this... */ 436 /* we don't test here if it is running... */ 437 if (wr) { 438 ad1816_write(ad1816, 1, ad1816_read(ad1816, 1) & 439 ~(wr? 0x8000 : 0x4000)); 440 /* disable int */ 441 io_wr(ad1816, reg, io_rd(ad1816, reg) & ~AD1816_ENABLE); 442 /* disable playback */ 443 if (io_rd(ad1816, reg) & AD1816_ENABLE) 444 printf("ad1816: failed to stop %s DMA!\n", 445 wr? "play" : "rec"); 446 ad1816_write(ad1816, wr? 8 : 10, 0); /* reset base cnt */ 447 ad1816_write(ad1816, wr? 9 : 11, 0); /* reset cur cnt */ 448 } 449 break; 450 } 451 ad1816_unlock(ad1816); 452 return 0; 453} 454 455static int 456ad1816chan_getptr(kobj_t obj, void *data) 457{ 458 struct ad1816_chinfo *ch = data; 459 return sndbuf_dmaptr(ch->buffer); 460} 461 462static struct pcmchan_caps * 463ad1816chan_getcaps(kobj_t obj, void *data) 464{ 465 return &ad1816_caps; 466} 467 468static kobj_method_t ad1816chan_methods[] = { 469 KOBJMETHOD(channel_init, ad1816chan_init), 470 KOBJMETHOD(channel_setdir, ad1816chan_setdir), 471 KOBJMETHOD(channel_setformat, ad1816chan_setformat), 472 KOBJMETHOD(channel_setspeed, ad1816chan_setspeed), 473 KOBJMETHOD(channel_setblocksize, ad1816chan_setblocksize), 474 KOBJMETHOD(channel_trigger, ad1816chan_trigger), 475 KOBJMETHOD(channel_getptr, ad1816chan_getptr), 476 KOBJMETHOD(channel_getcaps, ad1816chan_getcaps), 477 { 0, 0 } 478}; 479CHANNEL_DECLARE(ad1816chan); 480 481/* -------------------------------------------------------------------- */ 482 483static void 484ad1816_release_resources(struct ad1816_info *ad1816, device_t dev) 485{ 486 if (ad1816->irq) { 487 if (ad1816->ih) 488 bus_teardown_intr(dev, ad1816->irq, ad1816->ih); 489 bus_release_resource(dev, SYS_RES_IRQ, ad1816->irq_rid, ad1816->irq); 490 ad1816->irq = 0; 491 } 492 if (ad1816->drq1) { 493 isa_dma_release(rman_get_start(ad1816->drq1)); 494 bus_release_resource(dev, SYS_RES_DRQ, ad1816->drq1_rid, ad1816->drq1); 495 ad1816->drq1 = 0; 496 } 497 if (ad1816->drq2) { 498 isa_dma_release(rman_get_start(ad1816->drq2)); 499 bus_release_resource(dev, SYS_RES_DRQ, ad1816->drq2_rid, ad1816->drq2); 500 ad1816->drq2 = 0; 501 } 502 if (ad1816->io_base) { 503 bus_release_resource(dev, SYS_RES_IOPORT, ad1816->io_rid, 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 if (ad1816->lock) 511 snd_mtxfree(ad1816->lock); 512 513 free(ad1816, M_DEVBUF); 514} 515 516static int 517ad1816_alloc_resources(struct ad1816_info *ad1816, device_t dev) 518{ 519 int ok = 1, pdma, rdma; 520 521 if (!ad1816->io_base) 522 ad1816->io_base = bus_alloc_resource_any(dev, 523 SYS_RES_IOPORT, &ad1816->io_rid, RF_ACTIVE); 524 if (!ad1816->irq) 525 ad1816->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 526 &ad1816->irq_rid, RF_ACTIVE); 527 if (!ad1816->drq1) 528 ad1816->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ, 529 &ad1816->drq1_rid, RF_ACTIVE); 530 if (!ad1816->drq2) 531 ad1816->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ, 532 &ad1816->drq2_rid, RF_ACTIVE); 533 534 if (!ad1816->io_base || !ad1816->drq1 || !ad1816->irq) ok = 0; 535 536 if (ok) { 537 pdma = rman_get_start(ad1816->drq1); 538 isa_dma_acquire(pdma); 539 isa_dmainit(pdma, ad1816->bufsize); 540 if (ad1816->drq2) { 541 rdma = rman_get_start(ad1816->drq2); 542 isa_dma_acquire(rdma); 543 isa_dmainit(rdma, ad1816->bufsize); 544 } else 545 rdma = pdma; 546 if (pdma == rdma) 547 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 548 } 549 550 return ok; 551} 552 553static int 554ad1816_init(struct ad1816_info *ad1816, device_t dev) 555{ 556 ad1816_write(ad1816, 1, 0x2); /* disable interrupts */ 557 ad1816_write(ad1816, 32, 0x90F0); /* SoundSys Mode, split fmt */ 558 559 ad1816_write(ad1816, 5, 0x8080); /* FM volume mute */ 560 ad1816_write(ad1816, 6, 0x8080); /* I2S1 volume mute */ 561 ad1816_write(ad1816, 7, 0x8080); /* I2S0 volume mute */ 562 ad1816_write(ad1816, 17, 0x8888); /* VID Volume mute */ 563 ad1816_write(ad1816, 20, 0x5050); /* recsrc mic, agc off */ 564 /* adc gain is set to 0 */ 565 566 return 0; 567} 568 569static int 570ad1816_probe(device_t dev) 571{ 572 char *s = NULL; 573 u_int32_t logical_id = isa_get_logicalid(dev); 574 575 switch (logical_id) { 576 case 0x80719304: /* ADS7180 */ 577 s = "AD1816"; 578 break; 579 } 580 581 if (s) { 582 device_set_desc(dev, s); 583 return 0; 584 } 585 return ENXIO; 586} 587 588static int 589ad1816_attach(device_t dev) 590{ 591 struct ad1816_info *ad1816; 592 char status[SND_STATUSLEN], status2[SND_STATUSLEN]; 593 594 ad1816 = (struct ad1816_info *)malloc(sizeof *ad1816, M_DEVBUF, M_NOWAIT | M_ZERO); 595 if (!ad1816) return ENXIO; 596 597 ad1816->lock = snd_mtxcreate(device_get_nameunit(dev), "sound softc"); 598 ad1816->io_rid = 2; 599 ad1816->irq_rid = 0; 600 ad1816->drq1_rid = 0; 601 ad1816->drq2_rid = 1; 602 ad1816->bufsize = pcm_getbuffersize(dev, 4096, DSP_BUFFSIZE, 65536); 603 604 if (!ad1816_alloc_resources(ad1816, dev)) goto no; 605 ad1816_init(ad1816, dev); 606 if (mixer_init(dev, &ad1816mixer_class, ad1816)) goto no; 607 608 snd_setup_intr(dev, ad1816->irq, 0, ad1816_intr, ad1816, &ad1816->ih); 609 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, 610 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 611 /*highaddr*/BUS_SPACE_MAXADDR, 612 /*filter*/NULL, /*filterarg*/NULL, 613 /*maxsize*/ad1816->bufsize, /*nsegments*/1, 614 /*maxsegz*/0x3ffff, 615 /*flags*/0, /*lockfunc*/busdma_lock_mutex, 616 /*lockarg*/ &Giant, &ad1816->parent_dmat) != 0) { 617 device_printf(dev, "unable to create dma tag\n"); 618 goto no; 619 } 620 if (ad1816->drq2) 621 snprintf(status2, SND_STATUSLEN, ":%ld", rman_get_start(ad1816->drq2)); 622 else 623 status2[0] = '\0'; 624 625 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %u %s", 626 rman_get_start(ad1816->io_base), 627 rman_get_start(ad1816->irq), 628 rman_get_start(ad1816->drq1), 629 status2, 630 ad1816->bufsize, 631 PCM_KLDSTRING(snd_ad1816)); 632 633 if (pcm_register(dev, ad1816, 1, 1)) goto no; 634 pcm_addchan(dev, PCMDIR_REC, &ad1816chan_class, ad1816); 635 pcm_addchan(dev, PCMDIR_PLAY, &ad1816chan_class, ad1816); 636 pcm_setstatus(dev, status); 637 638 return 0; 639no: 640 ad1816_release_resources(ad1816, dev); 641 642 return ENXIO; 643 644} 645 646static int 647ad1816_detach(device_t dev) 648{ 649 int r; 650 struct ad1816_info *ad1816; 651 652 r = pcm_unregister(dev); 653 if (r) 654 return r; 655 656 ad1816 = pcm_getdevinfo(dev); 657 ad1816_release_resources(ad1816, dev); 658 return 0; 659} 660 661static device_method_t ad1816_methods[] = { 662 /* Device interface */ 663 DEVMETHOD(device_probe, ad1816_probe), 664 DEVMETHOD(device_attach, ad1816_attach), 665 DEVMETHOD(device_detach, ad1816_detach), 666 667 { 0, 0 } 668}; 669 670static driver_t ad1816_driver = { 671 "pcm", 672 ad1816_methods, 673 PCM_SOFTC_SIZE, 674}; 675 676DRIVER_MODULE(snd_ad1816, isa, ad1816_driver, pcm_devclass, 0, 0); 677DRIVER_MODULE(snd_ad1816, acpi, ad1816_driver, pcm_devclass, 0, 0); 678MODULE_DEPEND(snd_ad1816, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 679MODULE_VERSION(snd_ad1816, 1); 680 681 682