1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2012-2021 Ruslan Bukin <br@bsdpad.com> 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 /* 30 * RME HDSPe driver for FreeBSD (pcm-part). 31 * Supported cards: AIO, RayDAT. 32 */ 33 34 #include <dev/sound/pcm/sound.h> 35 #include <dev/sound/pci/hdspe.h> 36 #include <dev/sound/chip.h> 37 38 #include <dev/pci/pcireg.h> 39 #include <dev/pci/pcivar.h> 40 41 #include <mixer_if.h> 42 43 SND_DECLARE_FILE("$FreeBSD$"); 44 45 struct hdspe_latency { 46 uint32_t n; 47 uint32_t period; 48 float ms; 49 }; 50 51 static struct hdspe_latency latency_map[] = { 52 { 7, 32, 0.7 }, 53 { 0, 64, 1.5 }, 54 { 1, 128, 3 }, 55 { 2, 256, 6 }, 56 { 3, 512, 12 }, 57 { 4, 1024, 23 }, 58 { 5, 2048, 46 }, 59 { 6, 4096, 93 }, 60 61 { 0, 0, 0 }, 62 }; 63 64 struct hdspe_rate { 65 uint32_t speed; 66 uint32_t reg; 67 }; 68 69 static struct hdspe_rate rate_map[] = { 70 { 32000, (HDSPE_FREQ_32000) }, 71 { 44100, (HDSPE_FREQ_44100) }, 72 { 48000, (HDSPE_FREQ_48000) }, 73 { 64000, (HDSPE_FREQ_32000 | HDSPE_FREQ_DOUBLE) }, 74 { 88200, (HDSPE_FREQ_44100 | HDSPE_FREQ_DOUBLE) }, 75 { 96000, (HDSPE_FREQ_48000 | HDSPE_FREQ_DOUBLE) }, 76 { 128000, (HDSPE_FREQ_32000 | HDSPE_FREQ_QUAD) }, 77 { 176400, (HDSPE_FREQ_44100 | HDSPE_FREQ_QUAD) }, 78 { 192000, (HDSPE_FREQ_48000 | HDSPE_FREQ_QUAD) }, 79 80 { 0, 0 }, 81 }; 82 83 static int 84 hdspe_hw_mixer(struct sc_chinfo *ch, unsigned int dst, 85 unsigned int src, unsigned short data) 86 { 87 struct sc_pcminfo *scp; 88 struct sc_info *sc; 89 int offs; 90 91 scp = ch->parent; 92 sc = scp->sc; 93 94 offs = 0; 95 if (ch->dir == PCMDIR_PLAY) 96 offs = 64; 97 98 hdspe_write_4(sc, HDSPE_MIXER_BASE + 99 ((offs + src + 128 * dst) * sizeof(uint32_t)), 100 data & 0xFFFF); 101 102 return (0); 103 }; 104 105 static int 106 hdspechan_setgain(struct sc_chinfo *ch) 107 { 108 109 hdspe_hw_mixer(ch, ch->lslot, ch->lslot, 110 ch->lvol * HDSPE_MAX_GAIN / 100); 111 hdspe_hw_mixer(ch, ch->rslot, ch->rslot, 112 ch->rvol * HDSPE_MAX_GAIN / 100); 113 114 return (0); 115 } 116 117 static int 118 hdspemixer_init(struct snd_mixer *m) 119 { 120 struct sc_pcminfo *scp; 121 struct sc_info *sc; 122 int mask; 123 124 scp = mix_getdevinfo(m); 125 sc = scp->sc; 126 if (sc == NULL) 127 return (-1); 128 129 mask = SOUND_MASK_PCM; 130 131 if (scp->hc->play) 132 mask |= SOUND_MASK_VOLUME; 133 134 if (scp->hc->rec) 135 mask |= SOUND_MASK_RECLEV; 136 137 snd_mtxlock(sc->lock); 138 pcm_setflags(scp->dev, pcm_getflags(scp->dev) | SD_F_SOFTPCMVOL); 139 mix_setdevs(m, mask); 140 snd_mtxunlock(sc->lock); 141 142 return (0); 143 } 144 145 static int 146 hdspemixer_set(struct snd_mixer *m, unsigned dev, 147 unsigned left, unsigned right) 148 { 149 struct sc_pcminfo *scp; 150 struct sc_chinfo *ch; 151 int i; 152 153 scp = mix_getdevinfo(m); 154 155 #if 0 156 device_printf(scp->dev, "hdspemixer_set() %d %d\n", 157 left, right); 158 #endif 159 160 for (i = 0; i < scp->chnum; i++) { 161 ch = &scp->chan[i]; 162 if ((dev == SOUND_MIXER_VOLUME && ch->dir == PCMDIR_PLAY) || 163 (dev == SOUND_MIXER_RECLEV && ch->dir == PCMDIR_REC)) { 164 ch->lvol = left; 165 ch->rvol = right; 166 if (ch->run) 167 hdspechan_setgain(ch); 168 } 169 } 170 171 return (0); 172 } 173 174 static kobj_method_t hdspemixer_methods[] = { 175 KOBJMETHOD(mixer_init, hdspemixer_init), 176 KOBJMETHOD(mixer_set, hdspemixer_set), 177 KOBJMETHOD_END 178 }; 179 MIXER_DECLARE(hdspemixer); 180 181 static void 182 hdspechan_enable(struct sc_chinfo *ch, int value) 183 { 184 struct sc_pcminfo *scp; 185 struct sc_info *sc; 186 int reg; 187 188 scp = ch->parent; 189 sc = scp->sc; 190 191 if (ch->dir == PCMDIR_PLAY) 192 reg = HDSPE_OUT_ENABLE_BASE; 193 else 194 reg = HDSPE_IN_ENABLE_BASE; 195 196 ch->run = value; 197 198 hdspe_write_1(sc, reg + (4 * ch->lslot), value); 199 if (AFMT_CHANNEL(ch->format) == 2) 200 hdspe_write_1(sc, reg + (4 * ch->rslot), value); 201 } 202 203 static int 204 hdspe_running(struct sc_info *sc) 205 { 206 struct sc_pcminfo *scp; 207 struct sc_chinfo *ch; 208 device_t *devlist; 209 int devcount; 210 int i, j; 211 int err; 212 213 if ((err = device_get_children(sc->dev, &devlist, &devcount)) != 0) 214 goto bad; 215 216 for (i = 0; i < devcount; i++) { 217 scp = device_get_ivars(devlist[i]); 218 for (j = 0; j < scp->chnum; j++) { 219 ch = &scp->chan[j]; 220 if (ch->run) 221 goto bad; 222 } 223 } 224 225 free(devlist, M_TEMP); 226 227 return (0); 228 bad: 229 230 #if 0 231 device_printf(sc->dev, "hdspe is running\n"); 232 #endif 233 234 free(devlist, M_TEMP); 235 236 return (1); 237 } 238 239 static void 240 hdspe_start_audio(struct sc_info *sc) 241 { 242 243 sc->ctrl_register |= (HDSPE_AUDIO_INT_ENABLE | HDSPE_ENABLE); 244 hdspe_write_4(sc, HDSPE_CONTROL_REG, sc->ctrl_register); 245 } 246 247 static void 248 hdspe_stop_audio(struct sc_info *sc) 249 { 250 251 if (hdspe_running(sc) == 1) 252 return; 253 254 sc->ctrl_register &= ~(HDSPE_AUDIO_INT_ENABLE | HDSPE_ENABLE); 255 hdspe_write_4(sc, HDSPE_CONTROL_REG, sc->ctrl_register); 256 } 257 258 /* Multiplex / demultiplex: 2.0 <-> 2 x 1.0. */ 259 static void 260 buffer_copy(struct sc_chinfo *ch) 261 { 262 struct sc_pcminfo *scp; 263 struct sc_info *sc; 264 int ssize, dsize; 265 int src, dst; 266 int n; 267 int i; 268 269 scp = ch->parent; 270 sc = scp->sc; 271 272 n = AFMT_CHANNEL(ch->format); /* n channels */ 273 274 if (ch->dir == PCMDIR_PLAY) { 275 src = sndbuf_getreadyptr(ch->buffer); 276 } else { 277 src = sndbuf_getfreeptr(ch->buffer); 278 } 279 280 src /= 4; /* Bytes per sample. */ 281 dst = src / n; /* Destination buffer n-times smaller. */ 282 283 ssize = ch->size / 4; 284 dsize = ch->size / (4 * n); 285 286 /* 287 * Use two fragment buffer to avoid sound clipping. 288 */ 289 290 for (i = 0; i < sc->period * 2 /* fragments */; i++) { 291 if (ch->dir == PCMDIR_PLAY) { 292 sc->pbuf[dst + HDSPE_CHANBUF_SAMPLES * ch->lslot] = 293 ch->data[src]; 294 sc->pbuf[dst + HDSPE_CHANBUF_SAMPLES * ch->rslot] = 295 ch->data[src + 1]; 296 297 } else { 298 ch->data[src] = 299 sc->rbuf[dst + HDSPE_CHANBUF_SAMPLES * ch->lslot]; 300 ch->data[src+1] = 301 sc->rbuf[dst + HDSPE_CHANBUF_SAMPLES * ch->rslot]; 302 } 303 304 dst+=1; 305 dst %= dsize; 306 src += n; 307 src %= ssize; 308 } 309 } 310 311 static int 312 clean(struct sc_chinfo *ch) 313 { 314 struct sc_pcminfo *scp; 315 struct sc_info *sc; 316 uint32_t *buf; 317 318 scp = ch->parent; 319 sc = scp->sc; 320 buf = sc->rbuf; 321 322 if (ch->dir == PCMDIR_PLAY) { 323 buf = sc->pbuf; 324 } 325 326 bzero(buf + HDSPE_CHANBUF_SAMPLES * ch->lslot, HDSPE_CHANBUF_SIZE); 327 bzero(buf + HDSPE_CHANBUF_SAMPLES * ch->rslot, HDSPE_CHANBUF_SIZE); 328 329 return (0); 330 } 331 332 /* Channel interface. */ 333 static void * 334 hdspechan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, 335 struct pcm_channel *c, int dir) 336 { 337 struct sc_pcminfo *scp; 338 struct sc_chinfo *ch; 339 struct sc_info *sc; 340 int num; 341 342 scp = devinfo; 343 sc = scp->sc; 344 345 snd_mtxlock(sc->lock); 346 num = scp->chnum; 347 348 ch = &scp->chan[num]; 349 ch->lslot = scp->hc->left; 350 ch->rslot = scp->hc->right; 351 ch->run = 0; 352 ch->lvol = 0; 353 ch->rvol = 0; 354 355 ch->size = HDSPE_CHANBUF_SIZE * 2; /* max size */ 356 ch->data = malloc(ch->size, M_HDSPE, M_NOWAIT); 357 358 ch->buffer = b; 359 ch->channel = c; 360 ch->parent = scp; 361 362 ch->dir = dir; 363 364 snd_mtxunlock(sc->lock); 365 366 if (sndbuf_setup(ch->buffer, ch->data, ch->size) != 0) { 367 device_printf(scp->dev, "Can't setup sndbuf.\n"); 368 return (NULL); 369 } 370 371 return (ch); 372 } 373 374 static int 375 hdspechan_trigger(kobj_t obj, void *data, int go) 376 { 377 struct sc_pcminfo *scp; 378 struct sc_chinfo *ch; 379 struct sc_info *sc; 380 381 ch = data; 382 scp = ch->parent; 383 sc = scp->sc; 384 385 snd_mtxlock(sc->lock); 386 switch (go) { 387 case PCMTRIG_START: 388 #if 0 389 device_printf(scp->dev, "hdspechan_trigger(): start\n"); 390 #endif 391 hdspechan_enable(ch, 1); 392 hdspechan_setgain(ch); 393 hdspe_start_audio(sc); 394 break; 395 396 case PCMTRIG_STOP: 397 case PCMTRIG_ABORT: 398 #if 0 399 device_printf(scp->dev, "hdspechan_trigger(): stop or abort\n"); 400 #endif 401 clean(ch); 402 hdspechan_enable(ch, 0); 403 hdspe_stop_audio(sc); 404 break; 405 406 case PCMTRIG_EMLDMAWR: 407 case PCMTRIG_EMLDMARD: 408 if(ch->run) 409 buffer_copy(ch); 410 break; 411 } 412 413 snd_mtxunlock(sc->lock); 414 415 return (0); 416 } 417 418 static uint32_t 419 hdspechan_getptr(kobj_t obj, void *data) 420 { 421 struct sc_pcminfo *scp; 422 struct sc_chinfo *ch; 423 struct sc_info *sc; 424 uint32_t ret, pos; 425 426 ch = data; 427 scp = ch->parent; 428 sc = scp->sc; 429 430 snd_mtxlock(sc->lock); 431 ret = hdspe_read_2(sc, HDSPE_STATUS_REG); 432 snd_mtxunlock(sc->lock); 433 434 pos = ret & HDSPE_BUF_POSITION_MASK; 435 if (AFMT_CHANNEL(ch->format) == 2) 436 pos *= 2; /* Hardbuf twice bigger. */ 437 438 return (pos); 439 } 440 441 static int 442 hdspechan_free(kobj_t obj, void *data) 443 { 444 struct sc_pcminfo *scp; 445 struct sc_chinfo *ch; 446 struct sc_info *sc; 447 448 ch = data; 449 scp = ch->parent; 450 sc = scp->sc; 451 452 #if 0 453 device_printf(scp->dev, "hdspechan_free()\n"); 454 #endif 455 456 snd_mtxlock(sc->lock); 457 if (ch->data != NULL) { 458 free(ch->data, M_HDSPE); 459 ch->data = NULL; 460 } 461 snd_mtxunlock(sc->lock); 462 463 return (0); 464 } 465 466 static int 467 hdspechan_setformat(kobj_t obj, void *data, uint32_t format) 468 { 469 struct sc_chinfo *ch; 470 471 ch = data; 472 473 #if 0 474 struct sc_pcminfo *scp = ch->parent; 475 device_printf(scp->dev, "hdspechan_setformat(%d)\n", format); 476 #endif 477 478 ch->format = format; 479 480 return (0); 481 } 482 483 static uint32_t 484 hdspechan_setspeed(kobj_t obj, void *data, uint32_t speed) 485 { 486 struct sc_pcminfo *scp; 487 struct hdspe_rate *hr; 488 struct sc_chinfo *ch; 489 struct sc_info *sc; 490 long long period; 491 int threshold; 492 int i; 493 494 ch = data; 495 scp = ch->parent; 496 sc = scp->sc; 497 hr = NULL; 498 499 #if 0 500 device_printf(scp->dev, "hdspechan_setspeed(%d)\n", speed); 501 #endif 502 503 if (hdspe_running(sc) == 1) 504 goto end; 505 506 /* First look for equal frequency. */ 507 for (i = 0; rate_map[i].speed != 0; i++) { 508 if (rate_map[i].speed == speed) 509 hr = &rate_map[i]; 510 } 511 512 /* If no match, just find nearest. */ 513 if (hr == NULL) { 514 for (i = 0; rate_map[i].speed != 0; i++) { 515 hr = &rate_map[i]; 516 threshold = hr->speed + ((rate_map[i + 1].speed != 0) ? 517 ((rate_map[i + 1].speed - hr->speed) >> 1) : 0); 518 if (speed < threshold) 519 break; 520 } 521 } 522 523 switch (sc->type) { 524 case RAYDAT: 525 case AIO: 526 period = HDSPE_FREQ_AIO; 527 break; 528 default: 529 /* Unsupported card. */ 530 goto end; 531 } 532 533 /* Write frequency on the device. */ 534 sc->ctrl_register &= ~HDSPE_FREQ_MASK; 535 sc->ctrl_register |= hr->reg; 536 hdspe_write_4(sc, HDSPE_CONTROL_REG, sc->ctrl_register); 537 538 speed = hr->speed; 539 if (speed > 96000) 540 speed /= 4; 541 else if (speed > 48000) 542 speed /= 2; 543 544 /* Set DDS value. */ 545 period /= speed; 546 hdspe_write_4(sc, HDSPE_FREQ_REG, period); 547 548 sc->speed = hr->speed; 549 end: 550 551 return (sc->speed); 552 } 553 554 static uint32_t 555 hdspechan_setblocksize(kobj_t obj, void *data, uint32_t blocksize) 556 { 557 struct hdspe_latency *hl; 558 struct sc_pcminfo *scp; 559 struct sc_chinfo *ch; 560 struct sc_info *sc; 561 int threshold; 562 int i; 563 564 ch = data; 565 scp = ch->parent; 566 sc = scp->sc; 567 hl = NULL; 568 569 #if 0 570 device_printf(scp->dev, "hdspechan_setblocksize(%d)\n", blocksize); 571 #endif 572 573 if (hdspe_running(sc) == 1) 574 goto end; 575 576 if (blocksize > HDSPE_LAT_BYTES_MAX) 577 blocksize = HDSPE_LAT_BYTES_MAX; 578 else if (blocksize < HDSPE_LAT_BYTES_MIN) 579 blocksize = HDSPE_LAT_BYTES_MIN; 580 581 blocksize /= 4 /* samples */; 582 583 /* First look for equal latency. */ 584 for (i = 0; latency_map[i].period != 0; i++) { 585 if (latency_map[i].period == blocksize) { 586 hl = &latency_map[i]; 587 } 588 } 589 590 /* If no match, just find nearest. */ 591 if (hl == NULL) { 592 for (i = 0; latency_map[i].period != 0; i++) { 593 hl = &latency_map[i]; 594 threshold = hl->period + ((latency_map[i + 1].period != 0) ? 595 ((latency_map[i + 1].period - hl->period) >> 1) : 0); 596 if (blocksize < threshold) 597 break; 598 } 599 } 600 601 snd_mtxlock(sc->lock); 602 sc->ctrl_register &= ~HDSPE_LAT_MASK; 603 sc->ctrl_register |= hdspe_encode_latency(hl->n); 604 hdspe_write_4(sc, HDSPE_CONTROL_REG, sc->ctrl_register); 605 sc->period = hl->period; 606 snd_mtxunlock(sc->lock); 607 608 #if 0 609 device_printf(scp->dev, "New period=%d\n", sc->period); 610 #endif 611 612 sndbuf_resize(ch->buffer, 613 (HDSPE_CHANBUF_SIZE * AFMT_CHANNEL(ch->format)) / (sc->period * 4), 614 (sc->period * 4)); 615 end: 616 617 return (sndbuf_getblksz(ch->buffer)); 618 } 619 620 static uint32_t hdspe_rfmt[] = { 621 SND_FORMAT(AFMT_S32_LE, 2, 0), 622 0 623 }; 624 625 static struct pcmchan_caps hdspe_rcaps = {32000, 192000, hdspe_rfmt, 0}; 626 627 static uint32_t hdspe_pfmt[] = { 628 SND_FORMAT(AFMT_S32_LE, 1, 0), 629 SND_FORMAT(AFMT_S32_LE, 2, 0), 630 0 631 }; 632 633 static struct pcmchan_caps hdspe_pcaps = {32000, 192000, hdspe_pfmt, 0}; 634 635 static struct pcmchan_caps * 636 hdspechan_getcaps(kobj_t obj, void *data) 637 { 638 struct sc_chinfo *ch; 639 640 ch = data; 641 642 #if 0 643 struct sc_pcminfo *scl = ch->parent; 644 device_printf(scp->dev, "hdspechan_getcaps()\n"); 645 #endif 646 647 return ((ch->dir == PCMDIR_PLAY) ? 648 &hdspe_pcaps : &hdspe_rcaps); 649 } 650 651 static kobj_method_t hdspechan_methods[] = { 652 KOBJMETHOD(channel_init, hdspechan_init), 653 KOBJMETHOD(channel_free, hdspechan_free), 654 KOBJMETHOD(channel_setformat, hdspechan_setformat), 655 KOBJMETHOD(channel_setspeed, hdspechan_setspeed), 656 KOBJMETHOD(channel_setblocksize, hdspechan_setblocksize), 657 KOBJMETHOD(channel_trigger, hdspechan_trigger), 658 KOBJMETHOD(channel_getptr, hdspechan_getptr), 659 KOBJMETHOD(channel_getcaps, hdspechan_getcaps), 660 KOBJMETHOD_END 661 }; 662 CHANNEL_DECLARE(hdspechan); 663 664 static int 665 hdspe_pcm_probe(device_t dev) 666 { 667 668 #if 0 669 device_printf(dev,"hdspe_pcm_probe()\n"); 670 #endif 671 672 return (0); 673 } 674 675 static uint32_t 676 hdspe_pcm_intr(struct sc_pcminfo *scp) 677 { 678 struct sc_chinfo *ch; 679 struct sc_info *sc; 680 int i; 681 682 sc = scp->sc; 683 684 for (i = 0; i < scp->chnum; i++) { 685 ch = &scp->chan[i]; 686 snd_mtxunlock(sc->lock); 687 chn_intr(ch->channel); 688 snd_mtxlock(sc->lock); 689 } 690 691 return (0); 692 } 693 694 static int 695 hdspe_pcm_attach(device_t dev) 696 { 697 char status[SND_STATUSLEN]; 698 struct sc_pcminfo *scp; 699 char desc[64]; 700 int i, err; 701 702 scp = device_get_ivars(dev); 703 scp->ih = &hdspe_pcm_intr; 704 705 bzero(desc, sizeof(desc)); 706 snprintf(desc, sizeof(desc), "HDSPe AIO [%s]", scp->hc->descr); 707 device_set_desc_copy(dev, desc); 708 709 /* 710 * We don't register interrupt handler with snd_setup_intr 711 * in pcm device. Mark pcm device as MPSAFE manually. 712 */ 713 pcm_setflags(dev, pcm_getflags(dev) | SD_F_MPSAFE); 714 715 err = pcm_register(dev, scp, scp->hc->play, scp->hc->rec); 716 if (err) { 717 device_printf(dev, "Can't register pcm.\n"); 718 return (ENXIO); 719 } 720 721 scp->chnum = 0; 722 for (i = 0; i < scp->hc->play; i++) { 723 pcm_addchan(dev, PCMDIR_PLAY, &hdspechan_class, scp); 724 scp->chnum++; 725 } 726 727 for (i = 0; i < scp->hc->rec; i++) { 728 pcm_addchan(dev, PCMDIR_REC, &hdspechan_class, scp); 729 scp->chnum++; 730 } 731 732 snprintf(status, SND_STATUSLEN, "at io 0x%jx irq %jd %s", 733 rman_get_start(scp->sc->cs), 734 rman_get_start(scp->sc->irq), 735 PCM_KLDSTRING(snd_hdspe)); 736 pcm_setstatus(dev, status); 737 738 mixer_init(dev, &hdspemixer_class, scp); 739 740 return (0); 741 } 742 743 static int 744 hdspe_pcm_detach(device_t dev) 745 { 746 int err; 747 748 err = pcm_unregister(dev); 749 if (err) { 750 device_printf(dev, "Can't unregister device.\n"); 751 return (err); 752 } 753 754 return (0); 755 } 756 757 static device_method_t hdspe_pcm_methods[] = { 758 DEVMETHOD(device_probe, hdspe_pcm_probe), 759 DEVMETHOD(device_attach, hdspe_pcm_attach), 760 DEVMETHOD(device_detach, hdspe_pcm_detach), 761 { 0, 0 } 762 }; 763 764 static driver_t hdspe_pcm_driver = { 765 "pcm", 766 hdspe_pcm_methods, 767 PCM_SOFTC_SIZE, 768 }; 769 770 DRIVER_MODULE(snd_hdspe_pcm, hdspe, hdspe_pcm_driver, 0, 0); 771 MODULE_DEPEND(snd_hdspe, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 772 MODULE_VERSION(snd_hdspe, 1); 773