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 40SND_DECLARE_FILE("$FreeBSD: releng/10.3/sys/dev/sound/isa/ad1816.c 193640 2009-06-07 19:12:08Z ariff $"); 41 42struct ad1816_info; 43 44struct ad1816_chinfo { 45 struct ad1816_info *parent; 46 struct pcm_channel *channel; 47 struct snd_dbuf *buffer; 48 int dir, blksz; 49}; 50 51struct 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 68static 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 80static struct pcmchan_caps ad1816_caps = {4000, 55200, ad1816_fmt, 0}; 81 82#define AD1816_MUTE 31 /* value for mute */ 83 84static void 85ad1816_lock(struct ad1816_info *ad1816) 86{ 87 snd_mtxlock(ad1816->lock); 88} 89 90static void 91ad1816_unlock(struct ad1816_info *ad1816) 92{ 93 snd_mtxunlock(ad1816->lock); 94} 95 96static int 97port_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 107static void 108port_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 116static int 117io_rd(struct ad1816_info *ad1816, int reg) 118{ 119 return port_rd(ad1816->io_base, reg); 120} 121 122static void 123io_wr(struct ad1816_info *ad1816, int reg, u_int8_t data) 124{ 125 port_wr(ad1816->io_base, reg, data); 126} 127 128static void 129ad1816_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 169static int 170ad1816_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 181static unsigned short 182ad1816_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 194static void 195ad1816_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 205static int 206ad1816mix_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 213static int 214ad1816mix_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 276static u_int32_t 277ad1816mix_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 306static 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}; 312MIXER_DECLARE(ad1816mixer); 313 314/* -------------------------------------------------------------------- */ 315/* channel interface */ 316static void * 317ad1816chan_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 337static int 338ad1816chan_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 385static u_int32_t 386ad1816chan_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 398static u_int32_t 399ad1816chan_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 407static int 408ad1816chan_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 459static u_int32_t 460ad1816chan_getptr(kobj_t obj, void *data) 461{ 462 struct ad1816_chinfo *ch = data; 463 return sndbuf_dmaptr(ch->buffer); 464} 465 466static struct pcmchan_caps * 467ad1816chan_getcaps(kobj_t obj, void *data) 468{ 469 return &ad1816_caps; 470} 471 472static 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}; 482CHANNEL_DECLARE(ad1816chan); 483 484/* -------------------------------------------------------------------- */ 485 486static void 487ad1816_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 519static int 520ad1816_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 556static int 557ad1816_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 572static int 573ad1816_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 594static int 595ad1816_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; 645no: 646 ad1816_release_resources(ad1816, dev); 647 648 return ENXIO; 649 650} 651 652static int 653ad1816_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 667static 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 676static driver_t ad1816_driver = { 677 "pcm", 678 ad1816_methods, 679 PCM_SOFTC_SIZE, 680}; 681 682DRIVER_MODULE(snd_ad1816, isa, ad1816_driver, pcm_devclass, 0, 0); 683DRIVER_MODULE(snd_ad1816, acpi, ad1816_driver, pcm_devclass, 0, 0); 684MODULE_DEPEND(snd_ad1816, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 685MODULE_VERSION(snd_ad1816, 1); 686 687 688