ad1816.c revision 167608
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 36SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/isa/ad1816.c 167608 2007-03-15 16:41:27Z ariff $"); 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 ad1816_unlock(ad1816); 142 chn_intr(ad1816->rch.channel); 143 ad1816_lock(ad1816); 144 served |= AD1816_INTRCI; /* cp served */ 145 } 146 /* check for playback interupt */ 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 165static int 166ad1816_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 177static unsigned short 178ad1816_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 190static void 191ad1816_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 201static int 202ad1816mix_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 209static int 210ad1816mix_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 272static int 273ad1816mix_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 302static 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}; 308MIXER_DECLARE(ad1816mixer); 309 310/* -------------------------------------------------------------------- */ 311/* channel interface */ 312static void * 313ad1816chan_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, ad1816->bufsize) != 0) 322 return NULL; 323 return ch; 324} 325 326static int 327ad1816chan_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 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 (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 385static int 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 int 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 (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 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 int 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_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}; 483CHANNEL_DECLARE(ad1816chan); 484 485/* -------------------------------------------------------------------- */ 486 487static void 488ad1816_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 520static int 521ad1816_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 557static int 558ad1816_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 573static int 574ad1816_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 595static int 596ad1816_attach(device_t dev) 597{ 598 struct ad1816_info *ad1816; 599 char status[SND_STATUSLEN], status2[SND_STATUSLEN]; 600 601 ad1816 = (struct ad1816_info *)malloc(sizeof *ad1816, M_DEVBUF, M_NOWAIT | M_ZERO); 602 if (!ad1816) return ENXIO; 603 604 ad1816->lock = snd_mtxcreate(device_get_nameunit(dev), 605 "snd_ad1816 softc"); 606 ad1816->io_rid = 2; 607 ad1816->irq_rid = 0; 608 ad1816->drq1_rid = 0; 609 ad1816->drq2_rid = 1; 610 ad1816->bufsize = pcm_getbuffersize(dev, 4096, DSP_BUFFSIZE, 65536); 611 612 if (!ad1816_alloc_resources(ad1816, dev)) goto no; 613 ad1816_init(ad1816, dev); 614 if (mixer_init(dev, &ad1816mixer_class, ad1816)) goto no; 615 616 snd_setup_intr(dev, ad1816->irq, 0, ad1816_intr, ad1816, &ad1816->ih); 617 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2, 618 /*boundary*/0, 619 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 620 /*highaddr*/BUS_SPACE_MAXADDR, 621 /*filter*/NULL, /*filterarg*/NULL, 622 /*maxsize*/ad1816->bufsize, /*nsegments*/1, 623 /*maxsegz*/0x3ffff, 624 /*flags*/0, /*lockfunc*/busdma_lock_mutex, 625 /*lockarg*/ &Giant, &ad1816->parent_dmat) != 0) { 626 device_printf(dev, "unable to create dma tag\n"); 627 goto no; 628 } 629 if (ad1816->drq2) 630 snprintf(status2, SND_STATUSLEN, ":%ld", rman_get_start(ad1816->drq2)); 631 else 632 status2[0] = '\0'; 633 634 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %u %s", 635 rman_get_start(ad1816->io_base), 636 rman_get_start(ad1816->irq), 637 rman_get_start(ad1816->drq1), 638 status2, 639 ad1816->bufsize, 640 PCM_KLDSTRING(snd_ad1816)); 641 642 if (pcm_register(dev, ad1816, 1, 1)) goto no; 643 pcm_addchan(dev, PCMDIR_REC, &ad1816chan_class, ad1816); 644 pcm_addchan(dev, PCMDIR_PLAY, &ad1816chan_class, ad1816); 645 pcm_setstatus(dev, status); 646 647 return 0; 648no: 649 ad1816_release_resources(ad1816, dev); 650 651 return ENXIO; 652 653} 654 655static int 656ad1816_detach(device_t dev) 657{ 658 int r; 659 struct ad1816_info *ad1816; 660 661 r = pcm_unregister(dev); 662 if (r) 663 return r; 664 665 ad1816 = pcm_getdevinfo(dev); 666 ad1816_release_resources(ad1816, dev); 667 return 0; 668} 669 670static device_method_t ad1816_methods[] = { 671 /* Device interface */ 672 DEVMETHOD(device_probe, ad1816_probe), 673 DEVMETHOD(device_attach, ad1816_attach), 674 DEVMETHOD(device_detach, ad1816_detach), 675 676 { 0, 0 } 677}; 678 679static driver_t ad1816_driver = { 680 "pcm", 681 ad1816_methods, 682 PCM_SOFTC_SIZE, 683}; 684 685DRIVER_MODULE(snd_ad1816, isa, ad1816_driver, pcm_devclass, 0, 0); 686DRIVER_MODULE(snd_ad1816, acpi, ad1816_driver, pcm_devclass, 0, 0); 687MODULE_DEPEND(snd_ad1816, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 688MODULE_VERSION(snd_ad1816, 1); 689 690 691