ich.c revision 170521
1/*- 2 * Copyright (c) 2000 Katsurajima Naoto <raven@katsurajima.seya.yokohama.jp> 3 * Copyright (c) 2001 Cameron Grant <cg@freebsd.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THEPOSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <dev/sound/pcm/sound.h> 29#include <dev/sound/pcm/ac97.h> 30#include <dev/sound/pci/ich.h> 31 32#include <dev/pci/pcireg.h> 33#include <dev/pci/pcivar.h> 34 35SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/pci/ich.c 170521 2007-06-11 00:49:46Z ariff $"); 36 37/* -------------------------------------------------------------------- */ 38 39#define ICH_TIMEOUT 1000 /* semaphore timeout polling count */ 40#define ICH_DTBL_LENGTH 32 41#define ICH_DEFAULT_BUFSZ 16384 42#define ICH_MAX_BUFSZ 65536 43#define ICH_MIN_BUFSZ 4096 44#define ICH_DEFAULT_BLKCNT 2 45#define ICH_MAX_BLKCNT 32 46#define ICH_MIN_BLKCNT 2 47#define ICH_MIN_BLKSZ 64 48 49#define INTEL_VENDORID 0x8086 50#define SIS_VENDORID 0x1039 51#define NVIDIA_VENDORID 0x10de 52#define AMD_VENDORID 0x1022 53 54#define INTEL_82440MX 0x7195 55#define INTEL_82801AA 0x2415 56#define INTEL_82801AB 0x2425 57#define INTEL_82801BA 0x2445 58#define INTEL_82801CA 0x2485 59#define INTEL_82801DB 0x24c5 /* ICH4 needs special handling */ 60#define INTEL_82801EB 0x24d5 /* ICH5 needs to be treated as ICH4 */ 61#define INTEL_6300ESB 0x25a6 /* 6300ESB needs to be treated as ICH4 */ 62#define INTEL_82801FB 0x266e /* ICH6 needs to be treated as ICH4 */ 63#define INTEL_82801GB 0x27de /* ICH7 needs to be treated as ICH4 */ 64#define SIS_7012 0x7012 /* SiS 7012 needs special handling */ 65#define NVIDIA_NFORCE 0x01b1 66#define NVIDIA_NFORCE2 0x006a 67#define NVIDIA_NFORCE2_400 0x008a 68#define NVIDIA_NFORCE3 0x00da 69#define NVIDIA_NFORCE3_250 0x00ea 70#define NVIDIA_NFORCE4 0x0059 71#define NVIDIA_NFORCE_410_MCP 0x026b 72#define NVIDIA_NFORCE4_MCP 0x003a 73#define AMD_768 0x7445 74#define AMD_8111 0x746d 75 76#define ICH_LOCK(sc) snd_mtxlock((sc)->ich_lock) 77#define ICH_UNLOCK(sc) snd_mtxunlock((sc)->ich_lock) 78#define ICH_LOCK_ASSERT(sc) snd_mtxassert((sc)->ich_lock) 79 80#if 0 81#define ICH_DEBUG(stmt) do { \ 82 stmt \ 83} while(0) 84#else 85#define ICH_DEBUG(...) 86#endif 87 88#define ICH_CALIBRATE_DONE (1 << 0) 89#define ICH_IGNORE_PCR (1 << 1) 90#define ICH_IGNORE_RESET (1 << 2) 91#define ICH_FIXED_RATE (1 << 3) 92#define ICH_DMA_NOCACHE (1 << 4) 93#define ICH_HIGH_LATENCY (1 << 5) 94 95static const struct ich_type { 96 uint16_t vendor; 97 uint16_t devid; 98 uint32_t options; 99#define PROBE_LOW 0x01 100 char *name; 101} ich_devs[] = { 102 { INTEL_VENDORID, INTEL_82440MX, 0, 103 "Intel 440MX" }, 104 { INTEL_VENDORID, INTEL_82801AA, 0, 105 "Intel ICH (82801AA)" }, 106 { INTEL_VENDORID, INTEL_82801AB, 0, 107 "Intel ICH (82801AB)" }, 108 { INTEL_VENDORID, INTEL_82801BA, 0, 109 "Intel ICH2 (82801BA)" }, 110 { INTEL_VENDORID, INTEL_82801CA, 0, 111 "Intel ICH3 (82801CA)" }, 112 { INTEL_VENDORID, INTEL_82801DB, PROBE_LOW, 113 "Intel ICH4 (82801DB)" }, 114 { INTEL_VENDORID, INTEL_82801EB, PROBE_LOW, 115 "Intel ICH5 (82801EB)" }, 116 { INTEL_VENDORID, INTEL_6300ESB, PROBE_LOW, 117 "Intel 6300ESB" }, 118 { INTEL_VENDORID, INTEL_82801FB, PROBE_LOW, 119 "Intel ICH6 (82801FB)" }, 120 { INTEL_VENDORID, INTEL_82801GB, PROBE_LOW, 121 "Intel ICH7 (82801GB)" }, 122 { SIS_VENDORID, SIS_7012, 0, 123 "SiS 7012" }, 124 { NVIDIA_VENDORID, NVIDIA_NFORCE, 0, 125 "nVidia nForce" }, 126 { NVIDIA_VENDORID, NVIDIA_NFORCE2, 0, 127 "nVidia nForce2" }, 128 { NVIDIA_VENDORID, NVIDIA_NFORCE2_400, 0, 129 "nVidia nForce2 400" }, 130 { NVIDIA_VENDORID, NVIDIA_NFORCE3, 0, 131 "nVidia nForce3" }, 132 { NVIDIA_VENDORID, NVIDIA_NFORCE3_250, 0, 133 "nVidia nForce3 250" }, 134 { NVIDIA_VENDORID, NVIDIA_NFORCE4, 0, 135 "nVidia nForce4" }, 136 { NVIDIA_VENDORID, NVIDIA_NFORCE_410_MCP, 0, 137 "nVidia nForce 410 MCP" }, 138 { NVIDIA_VENDORID, NVIDIA_NFORCE4_MCP, 0, 139 "nVidia nForce 4 MCP" }, 140 { AMD_VENDORID, AMD_768, 0, 141 "AMD-768" }, 142 { AMD_VENDORID, AMD_8111, 0, 143 "AMD-8111" } 144}; 145 146/* buffer descriptor */ 147struct ich_desc { 148 volatile uint32_t buffer; 149 volatile uint32_t length; 150}; 151 152struct sc_info; 153 154/* channel registers */ 155struct sc_chinfo { 156 uint32_t num:8, run:1, run_save:1; 157 uint32_t blksz, blkcnt, spd; 158 uint32_t regbase, spdreg; 159 uint32_t imask; 160 uint32_t civ; 161 162 struct snd_dbuf *buffer; 163 struct pcm_channel *channel; 164 struct sc_info *parent; 165 166 struct ich_desc *dtbl; 167 bus_addr_t desc_addr; 168}; 169 170/* device private data */ 171struct sc_info { 172 device_t dev; 173 int hasvra, hasvrm, hasmic; 174 unsigned int chnum, bufsz, blkcnt; 175 int sample_size, swap_reg; 176 177 struct resource *nambar, *nabmbar, *irq; 178 int regtype, nambarid, nabmbarid, irqid; 179 bus_space_tag_t nambart, nabmbart; 180 bus_space_handle_t nambarh, nabmbarh; 181 bus_dma_tag_t dmat, chan_dmat; 182 bus_dmamap_t dtmap; 183 void *ih; 184 185 struct ac97_info *codec; 186 struct sc_chinfo ch[3]; 187 int ac97rate; 188 struct ich_desc *dtbl; 189 unsigned int dtbl_size; 190 bus_addr_t desc_addr; 191 struct intr_config_hook intrhook; 192 uint16_t vendor; 193 uint16_t devid; 194 uint32_t flags; 195 struct mtx *ich_lock; 196}; 197 198/* -------------------------------------------------------------------- */ 199 200static uint32_t ich_fmt[] = { 201 AFMT_STEREO | AFMT_S16_LE, 202 0 203}; 204static struct pcmchan_caps ich_vrcaps = {8000, 48000, ich_fmt, 0}; 205static struct pcmchan_caps ich_caps = {48000, 48000, ich_fmt, 0}; 206 207/* -------------------------------------------------------------------- */ 208/* Hardware */ 209static __inline uint32_t 210ich_rd(struct sc_info *sc, int regno, int size) 211{ 212 switch (size) { 213 case 1: 214 return (bus_space_read_1(sc->nabmbart, sc->nabmbarh, regno)); 215 case 2: 216 return (bus_space_read_2(sc->nabmbart, sc->nabmbarh, regno)); 217 case 4: 218 return (bus_space_read_4(sc->nabmbart, sc->nabmbarh, regno)); 219 default: 220 return (0xffffffff); 221 } 222} 223 224static __inline void 225ich_wr(struct sc_info *sc, int regno, uint32_t data, int size) 226{ 227 switch (size) { 228 case 1: 229 bus_space_write_1(sc->nabmbart, sc->nabmbarh, regno, data); 230 break; 231 case 2: 232 bus_space_write_2(sc->nabmbart, sc->nabmbarh, regno, data); 233 break; 234 case 4: 235 bus_space_write_4(sc->nabmbart, sc->nabmbarh, regno, data); 236 break; 237 } 238} 239 240/* ac97 codec */ 241static int 242ich_waitcd(void *devinfo) 243{ 244 struct sc_info *sc = (struct sc_info *)devinfo; 245 uint32_t data; 246 int i; 247 248 for (i = 0; i < ICH_TIMEOUT; i++) { 249 data = ich_rd(sc, ICH_REG_ACC_SEMA, 1); 250 if ((data & 0x01) == 0) 251 return (0); 252 DELAY(1); 253 } 254 if ((sc->flags & ICH_IGNORE_PCR) != 0) 255 return (0); 256 device_printf(sc->dev, "CODEC semaphore timeout\n"); 257 return (ETIMEDOUT); 258} 259 260static int 261ich_rdcd(kobj_t obj, void *devinfo, int regno) 262{ 263 struct sc_info *sc = (struct sc_info *)devinfo; 264 265 regno &= 0xff; 266 ich_waitcd(sc); 267 268 return (bus_space_read_2(sc->nambart, sc->nambarh, regno)); 269} 270 271static int 272ich_wrcd(kobj_t obj, void *devinfo, int regno, uint16_t data) 273{ 274 struct sc_info *sc = (struct sc_info *)devinfo; 275 276 regno &= 0xff; 277 ich_waitcd(sc); 278 bus_space_write_2(sc->nambart, sc->nambarh, regno, data); 279 280 return (0); 281} 282 283static kobj_method_t ich_ac97_methods[] = { 284 KOBJMETHOD(ac97_read, ich_rdcd), 285 KOBJMETHOD(ac97_write, ich_wrcd), 286 { 0, 0 } 287}; 288AC97_DECLARE(ich_ac97); 289 290/* -------------------------------------------------------------------- */ 291/* common routines */ 292 293static void 294ich_filldtbl(struct sc_chinfo *ch) 295{ 296 struct sc_info *sc = ch->parent; 297 uint32_t base; 298 int i; 299 300 base = sndbuf_getbufaddr(ch->buffer); 301 if ((ch->blksz * ch->blkcnt) > sndbuf_getmaxsize(ch->buffer)) 302 ch->blksz = sndbuf_getmaxsize(ch->buffer) / ch->blkcnt; 303 if ((sndbuf_getblksz(ch->buffer) != ch->blksz || 304 sndbuf_getblkcnt(ch->buffer) != ch->blkcnt) && 305 sndbuf_resize(ch->buffer, ch->blkcnt, ch->blksz) != 0) 306 device_printf(sc->dev, "%s: failed blksz=%u blkcnt=%u\n", 307 __func__, ch->blksz, ch->blkcnt); 308 ch->blksz = sndbuf_getblksz(ch->buffer); 309 310 for (i = 0; i < ICH_DTBL_LENGTH; i++) { 311 ch->dtbl[i].buffer = base + (ch->blksz * (i % ch->blkcnt)); 312 ch->dtbl[i].length = ICH_BDC_IOC 313 | (ch->blksz / ch->parent->sample_size); 314 } 315} 316 317static int 318ich_resetchan(struct sc_info *sc, int num) 319{ 320 int i, cr, regbase; 321 322 if (num == 0) 323 regbase = ICH_REG_PO_BASE; 324 else if (num == 1) 325 regbase = ICH_REG_PI_BASE; 326 else if (num == 2) 327 regbase = ICH_REG_MC_BASE; 328 else 329 return (ENXIO); 330 331 ich_wr(sc, regbase + ICH_REG_X_CR, 0, 1); 332#if 1 333 /* This may result in no sound output on NForce 2 MBs, see PR 73987 */ 334 DELAY(100); 335#else 336 (void)ich_rd(sc, regbase + ICH_REG_X_CR, 1); 337#endif 338 ich_wr(sc, regbase + ICH_REG_X_CR, ICH_X_CR_RR, 1); 339 for (i = 0; i < ICH_TIMEOUT; i++) { 340 cr = ich_rd(sc, regbase + ICH_REG_X_CR, 1); 341 if (cr == 0) 342 return (0); 343 DELAY(1); 344 } 345 346 if (sc->flags & ICH_IGNORE_RESET) 347 return (0); 348#if 0 349 else if (sc->vendor == NVIDIA_VENDORID) { 350 sc->flags |= ICH_IGNORE_RESET; 351 device_printf(sc->dev, "ignoring reset failure!\n"); 352 return (0); 353 } 354#endif 355 356 device_printf(sc->dev, "cannot reset channel %d\n", num); 357 return (ENXIO); 358} 359 360/* -------------------------------------------------------------------- */ 361/* channel interface */ 362 363static void * 364ichchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 365{ 366 struct sc_info *sc = devinfo; 367 struct sc_chinfo *ch; 368 unsigned int num; 369 370 ICH_LOCK(sc); 371 num = sc->chnum++; 372 ch = &sc->ch[num]; 373 ch->num = num; 374 ch->buffer = b; 375 ch->channel = c; 376 ch->parent = sc; 377 ch->run = 0; 378 ch->dtbl = sc->dtbl + (ch->num * ICH_DTBL_LENGTH); 379 ch->desc_addr = sc->desc_addr + 380 (ch->num * ICH_DTBL_LENGTH * sizeof(struct ich_desc)); 381 ch->blkcnt = sc->blkcnt; 382 ch->blksz = sc->bufsz / ch->blkcnt; 383 384 switch(ch->num) { 385 case 0: /* play */ 386 KASSERT(dir == PCMDIR_PLAY, ("wrong direction")); 387 ch->regbase = ICH_REG_PO_BASE; 388 ch->spdreg = (sc->hasvra) ? AC97_REGEXT_FDACRATE : 0; 389 ch->imask = ICH_GLOB_STA_POINT; 390 break; 391 392 case 1: /* record */ 393 KASSERT(dir == PCMDIR_REC, ("wrong direction")); 394 ch->regbase = ICH_REG_PI_BASE; 395 ch->spdreg = (sc->hasvra) ? AC97_REGEXT_LADCRATE : 0; 396 ch->imask = ICH_GLOB_STA_PIINT; 397 break; 398 399 case 2: /* mic */ 400 KASSERT(dir == PCMDIR_REC, ("wrong direction")); 401 ch->regbase = ICH_REG_MC_BASE; 402 ch->spdreg = (sc->hasvrm) ? AC97_REGEXT_MADCRATE : 0; 403 ch->imask = ICH_GLOB_STA_MINT; 404 break; 405 406 default: 407 return (NULL); 408 } 409 410 if (sc->flags & ICH_FIXED_RATE) 411 ch->spdreg = 0; 412 413 ICH_UNLOCK(sc); 414 if (sndbuf_alloc(ch->buffer, sc->chan_dmat, 415 ((sc->flags & ICH_DMA_NOCACHE) ? BUS_DMA_NOCACHE : 0), 416 sc->bufsz) != 0) 417 return (NULL); 418 419 ICH_LOCK(sc); 420 ich_wr(sc, ch->regbase + ICH_REG_X_BDBAR, (uint32_t)(ch->desc_addr), 4); 421 ICH_UNLOCK(sc); 422 423 return (ch); 424} 425 426static int 427ichchan_setformat(kobj_t obj, void *data, uint32_t format) 428{ 429 430 ICH_DEBUG( 431 struct sc_chinfo *ch = data; 432 struct sc_info *sc = ch->parent; 433 if (!(sc->flags & ICH_CALIBRATE_DONE)) 434 device_printf(sc->dev, 435 "WARNING: %s() called before calibration!\n", 436 __func__); 437 ); 438 439 return (0); 440} 441 442static int 443ichchan_setspeed(kobj_t obj, void *data, uint32_t speed) 444{ 445 struct sc_chinfo *ch = data; 446 struct sc_info *sc = ch->parent; 447 448 ICH_DEBUG( 449 if (!(sc->flags & ICH_CALIBRATE_DONE)) 450 device_printf(sc->dev, 451 "WARNING: %s() called before calibration!\n", 452 __func__); 453 ); 454 455 if (ch->spdreg) { 456 int r, ac97rate; 457 458 ICH_LOCK(sc); 459 if (sc->ac97rate <= 32000 || sc->ac97rate >= 64000) 460 sc->ac97rate = 48000; 461 ac97rate = sc->ac97rate; 462 ICH_UNLOCK(sc); 463 r = (speed * 48000) / ac97rate; 464 /* 465 * Cast the return value of ac97_setrate() to uint64 so that 466 * the math don't overflow into the negative range. 467 */ 468 ch->spd = ((uint64_t)ac97_setrate(sc->codec, ch->spdreg, r) * 469 ac97rate) / 48000; 470 } else { 471 ch->spd = 48000; 472 } 473 return (ch->spd); 474} 475 476static int 477ichchan_setblocksize(kobj_t obj, void *data, uint32_t blocksize) 478{ 479 struct sc_chinfo *ch = data; 480 struct sc_info *sc = ch->parent; 481 482 ICH_DEBUG( 483 if (!(sc->flags & ICH_CALIBRATE_DONE)) 484 device_printf(sc->dev, 485 "WARNING: %s() called before calibration!\n", 486 __func__); 487 ); 488 489 if (sc->flags & ICH_HIGH_LATENCY) 490 blocksize = sndbuf_getmaxsize(ch->buffer) / ch->blkcnt; 491 492 if (blocksize < ICH_MIN_BLKSZ) 493 blocksize = ICH_MIN_BLKSZ; 494 blocksize &= ~(ICH_MIN_BLKSZ - 1); 495 ch->blksz = blocksize; 496 ich_filldtbl(ch); 497 ICH_LOCK(sc); 498 ich_wr(sc, ch->regbase + ICH_REG_X_LVI, ch->blkcnt - 1, 1); 499 ICH_UNLOCK(sc); 500 501 return (ch->blksz); 502} 503 504static int 505ichchan_trigger(kobj_t obj, void *data, int go) 506{ 507 struct sc_chinfo *ch = data; 508 struct sc_info *sc = ch->parent; 509 510 ICH_DEBUG( 511 if (!(sc->flags & ICH_CALIBRATE_DONE)) 512 device_printf(sc->dev, 513 "WARNING: %s() called before calibration!\n", 514 __func__); 515 ); 516 517 switch (go) { 518 case PCMTRIG_START: 519 ch->run = 1; 520 ICH_LOCK(sc); 521 ich_wr(sc, ch->regbase + ICH_REG_X_BDBAR, (uint32_t)(ch->desc_addr), 4); 522 ich_wr(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RPBM | ICH_X_CR_LVBIE | ICH_X_CR_IOCE, 1); 523 ICH_UNLOCK(sc); 524 break; 525 case PCMTRIG_STOP: 526 case PCMTRIG_ABORT: 527 ICH_LOCK(sc); 528 ich_resetchan(sc, ch->num); 529 ICH_UNLOCK(sc); 530 ch->run = 0; 531 break; 532 default: 533 break; 534 } 535 return (0); 536} 537 538static int 539ichchan_getptr(kobj_t obj, void *data) 540{ 541 struct sc_chinfo *ch = data; 542 struct sc_info *sc = ch->parent; 543 uint32_t pos; 544 545 ICH_DEBUG( 546 if (!(sc->flags & ICH_CALIBRATE_DONE)) 547 device_printf(sc->dev, 548 "WARNING: %s() called before calibration!\n", 549 __func__); 550 ); 551 552 ICH_LOCK(sc); 553 ch->civ = ich_rd(sc, ch->regbase + ICH_REG_X_CIV, 1) % ch->blkcnt; 554 ICH_UNLOCK(sc); 555 556 pos = ch->civ * ch->blksz; 557 558 return (pos); 559} 560 561static struct pcmchan_caps * 562ichchan_getcaps(kobj_t obj, void *data) 563{ 564 struct sc_chinfo *ch = data; 565 566 ICH_DEBUG( 567 struct sc_info *sc = ch->parent; 568 569 if (!(sc->flags & ICH_CALIBRATE_DONE)) 570 device_printf(ch->parent->dev, 571 "WARNING: %s() called before calibration!\n", 572 __func__); 573 ); 574 575 return ((ch->spdreg) ? &ich_vrcaps : &ich_caps); 576} 577 578static kobj_method_t ichchan_methods[] = { 579 KOBJMETHOD(channel_init, ichchan_init), 580 KOBJMETHOD(channel_setformat, ichchan_setformat), 581 KOBJMETHOD(channel_setspeed, ichchan_setspeed), 582 KOBJMETHOD(channel_setblocksize, ichchan_setblocksize), 583 KOBJMETHOD(channel_trigger, ichchan_trigger), 584 KOBJMETHOD(channel_getptr, ichchan_getptr), 585 KOBJMETHOD(channel_getcaps, ichchan_getcaps), 586 { 0, 0 } 587}; 588CHANNEL_DECLARE(ichchan); 589 590/* -------------------------------------------------------------------- */ 591/* The interrupt handler */ 592 593static void 594ich_intr(void *p) 595{ 596 struct sc_info *sc = (struct sc_info *)p; 597 struct sc_chinfo *ch; 598 uint32_t cbi, lbi, lvi, st, gs; 599 int i; 600 601 ICH_LOCK(sc); 602 603 ICH_DEBUG( 604 if (!(sc->flags & ICH_CALIBRATE_DONE)) 605 device_printf(sc->dev, 606 "WARNING: %s() called before calibration!\n", 607 __func__); 608 ); 609 610 gs = ich_rd(sc, ICH_REG_GLOB_STA, 4) & ICH_GLOB_STA_IMASK; 611 if (gs & (ICH_GLOB_STA_PRES | ICH_GLOB_STA_SRES)) { 612 /* Clear resume interrupt(s) - nothing doing with them */ 613 ich_wr(sc, ICH_REG_GLOB_STA, gs, 4); 614 } 615 gs &= ~(ICH_GLOB_STA_PRES | ICH_GLOB_STA_SRES); 616 617 for (i = 0; i < 3; i++) { 618 ch = &sc->ch[i]; 619 if ((ch->imask & gs) == 0) 620 continue; 621 gs &= ~ch->imask; 622 st = ich_rd(sc, ch->regbase + 623 ((sc->swap_reg) ? ICH_REG_X_PICB : ICH_REG_X_SR), 624 2); 625 st &= ICH_X_SR_FIFOE | ICH_X_SR_BCIS | ICH_X_SR_LVBCI; 626 if (st & (ICH_X_SR_BCIS | ICH_X_SR_LVBCI)) { 627 /* block complete - update buffer */ 628 if (ch->run) { 629 ICH_UNLOCK(sc); 630 chn_intr(ch->channel); 631 ICH_LOCK(sc); 632 } 633 lvi = ich_rd(sc, ch->regbase + ICH_REG_X_LVI, 1); 634 cbi = ch->civ % ch->blkcnt; 635 if (cbi == 0) 636 cbi = ch->blkcnt - 1; 637 else 638 cbi--; 639 lbi = lvi % ch->blkcnt; 640 if (cbi >= lbi) 641 lvi += cbi - lbi; 642 else 643 lvi += cbi + ch->blkcnt - lbi; 644 lvi %= ICH_DTBL_LENGTH; 645 ich_wr(sc, ch->regbase + ICH_REG_X_LVI, lvi, 1); 646 647 } 648 /* clear status bit */ 649 ich_wr(sc, ch->regbase + 650 ((sc->swap_reg) ? ICH_REG_X_PICB : ICH_REG_X_SR), 651 st, 2); 652 } 653 ICH_UNLOCK(sc); 654 if (gs != 0) { 655 device_printf(sc->dev, 656 "Unhandled interrupt, gs_intr = %x\n", gs); 657 } 658} 659 660/* ------------------------------------------------------------------------- */ 661/* Sysctl to control ac97 speed (some boards appear to end up using 662 * XTAL_IN rather than BIT_CLK for link timing). 663 */ 664 665static int 666ich_initsys(struct sc_info* sc) 667{ 668#ifdef SND_DYNSYSCTL 669 /* XXX: this should move to a device specific sysctl "dev.pcm.X.yyy" 670 via device_get_sysctl_*() as discussed on multimedia@ in msg-id 671 <861wujij2q.fsf@xps.des.no> */ 672 SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->dev), 673 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->dev)), 674 OID_AUTO, "ac97rate", CTLFLAG_RW, 675 &sc->ac97rate, 48000, 676 "AC97 link rate (default = 48000)"); 677#endif /* SND_DYNSYSCTL */ 678 return (0); 679} 680 681static void 682ich_setstatus(struct sc_info *sc) 683{ 684 char status[SND_STATUSLEN]; 685 686 snprintf(status, SND_STATUSLEN, 687 "at io 0x%lx, 0x%lx irq %ld bufsz %u %s", 688 rman_get_start(sc->nambar), rman_get_start(sc->nabmbar), 689 rman_get_start(sc->irq), sc->bufsz,PCM_KLDSTRING(snd_ich)); 690 691 if (bootverbose && (sc->flags & ICH_DMA_NOCACHE)) 692 device_printf(sc->dev, 693 "PCI Master abort workaround enabled\n"); 694 695 pcm_setstatus(sc->dev, status); 696} 697 698/* -------------------------------------------------------------------- */ 699/* Calibrate card to determine the clock source. The source maybe a 700 * function of the ac97 codec initialization code (to be investigated). 701 */ 702 703static void 704ich_calibrate(void *arg) 705{ 706 struct sc_info *sc; 707 struct sc_chinfo *ch; 708 struct timeval t1, t2; 709 uint8_t ociv, nciv; 710 uint32_t wait_us, actual_48k_rate, oblkcnt; 711 712 sc = (struct sc_info *)arg; 713 ICH_LOCK(sc); 714 ch = &sc->ch[1]; 715 716 if (sc->intrhook.ich_func != NULL) { 717 config_intrhook_disestablish(&sc->intrhook); 718 sc->intrhook.ich_func = NULL; 719 } 720 721 /* 722 * Grab audio from input for fixed interval and compare how 723 * much we actually get with what we expect. Interval needs 724 * to be sufficiently short that no interrupts are 725 * generated. 726 */ 727 728 KASSERT(ch->regbase == ICH_REG_PI_BASE, ("wrong direction")); 729 730 oblkcnt = ch->blkcnt; 731 ch->blkcnt = 2; 732 sc->flags |= ICH_CALIBRATE_DONE; 733 ICH_UNLOCK(sc); 734 ichchan_setblocksize(0, ch, sndbuf_getmaxsize(ch->buffer) >> 1); 735 ICH_LOCK(sc); 736 sc->flags &= ~ICH_CALIBRATE_DONE; 737 738 /* 739 * our data format is stereo, 16 bit so each sample is 4 bytes. 740 * assuming we get 48000 samples per second, we get 192000 bytes/sec. 741 * we're going to start recording with interrupts disabled and measure 742 * the time taken for one block to complete. we know the block size, 743 * we know the time in microseconds, we calculate the sample rate: 744 * 745 * actual_rate [bps] = bytes / (time [s] * 4) 746 * actual_rate [bps] = (bytes * 1000000) / (time [us] * 4) 747 * actual_rate [Hz] = (bytes * 250000) / time [us] 748 */ 749 750 /* prepare */ 751 ociv = ich_rd(sc, ch->regbase + ICH_REG_X_CIV, 1); 752 nciv = ociv; 753 ich_wr(sc, ch->regbase + ICH_REG_X_BDBAR, (uint32_t)(ch->desc_addr), 4); 754 755 /* start */ 756 microtime(&t1); 757 ich_wr(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RPBM, 1); 758 759 /* wait */ 760 do { 761 microtime(&t2); 762 if (t2.tv_sec - t1.tv_sec > 1) 763 break; 764 nciv = ich_rd(sc, ch->regbase + ICH_REG_X_CIV, 1); 765 } while (nciv == ociv); 766 767 /* stop */ 768 ich_wr(sc, ch->regbase + ICH_REG_X_CR, 0, 1); 769 770 /* reset */ 771 DELAY(100); 772 ich_wr(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RR, 1); 773 ch->blkcnt = oblkcnt; 774 775 /* turn time delta into us */ 776 wait_us = ((t2.tv_sec - t1.tv_sec) * 1000000) + t2.tv_usec - t1.tv_usec; 777 778 if (nciv == ociv) { 779 device_printf(sc->dev, "ac97 link rate calibration timed out after %d us\n", wait_us); 780 sc->flags |= ICH_CALIBRATE_DONE; 781 ICH_UNLOCK(sc); 782 ich_setstatus(sc); 783 return; 784 } 785 786 actual_48k_rate = ((uint64_t)ch->blksz * 250000) / wait_us; 787 788 if (actual_48k_rate < 47500 || actual_48k_rate > 48500) { 789 sc->ac97rate = actual_48k_rate; 790 } else { 791 sc->ac97rate = 48000; 792 } 793 794 if (bootverbose || sc->ac97rate != 48000) { 795 device_printf(sc->dev, "measured ac97 link rate at %d Hz", actual_48k_rate); 796 if (sc->ac97rate != actual_48k_rate) 797 printf(", will use %d Hz", sc->ac97rate); 798 printf("\n"); 799 } 800 sc->flags |= ICH_CALIBRATE_DONE; 801 ICH_UNLOCK(sc); 802 803 ich_setstatus(sc); 804 805 return; 806} 807 808/* -------------------------------------------------------------------- */ 809/* Probe and attach the card */ 810 811static void 812ich_setmap(void *arg, bus_dma_segment_t *segs, int nseg, int error) 813{ 814 struct sc_info *sc = (struct sc_info *)arg; 815 sc->desc_addr = segs->ds_addr; 816 return; 817} 818 819static int 820ich_init(struct sc_info *sc) 821{ 822 uint32_t stat; 823 824 ich_wr(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD, 4); 825 DELAY(600000); 826 stat = ich_rd(sc, ICH_REG_GLOB_STA, 4); 827 828 if ((stat & ICH_GLOB_STA_PCR) == 0) { 829 /* ICH4/ICH5 may fail when busmastering is enabled. Continue */ 830 if (sc->vendor == INTEL_VENDORID && ( 831 sc->devid == INTEL_82801DB || sc->devid == INTEL_82801EB || 832 sc->devid == INTEL_6300ESB || sc->devid == INTEL_82801FB || 833 sc->devid == INTEL_82801GB)) { 834 sc->flags |= ICH_IGNORE_PCR; 835 device_printf(sc->dev, "primary codec not ready!\n"); 836 } 837 } 838 839#if 0 840 ich_wr(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD | ICH_GLOB_CTL_PRES, 4); 841#else 842 ich_wr(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD, 4); 843#endif 844 845 if (ich_resetchan(sc, 0) || ich_resetchan(sc, 1)) 846 return (ENXIO); 847 if (sc->hasmic && ich_resetchan(sc, 2)) 848 return (ENXIO); 849 850 return (0); 851} 852 853static int 854ich_pci_probe(device_t dev) 855{ 856 int i; 857 uint16_t devid, vendor; 858 859 vendor = pci_get_vendor(dev); 860 devid = pci_get_device(dev); 861 for (i = 0; i < sizeof(ich_devs)/sizeof(ich_devs[0]); i++) { 862 if (vendor == ich_devs[i].vendor && 863 devid == ich_devs[i].devid) { 864 device_set_desc(dev, ich_devs[i].name); 865 /* allow a better driver to override us */ 866 if ((ich_devs[i].options & PROBE_LOW) != 0) 867 return (BUS_PROBE_LOW_PRIORITY); 868 return (BUS_PROBE_DEFAULT); 869 } 870 } 871 return (ENXIO); 872} 873 874static int 875ich_pci_attach(device_t dev) 876{ 877 uint32_t subdev; 878 uint16_t extcaps; 879 uint16_t devid, vendor; 880 struct sc_info *sc; 881 int i; 882 883 if ((sc = malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) { 884 device_printf(dev, "cannot allocate softc\n"); 885 return (ENXIO); 886 } 887 888 sc->ich_lock = snd_mtxcreate(device_get_nameunit(dev), "snd_ich softc"); 889 sc->dev = dev; 890 891 vendor = sc->vendor = pci_get_vendor(dev); 892 devid = sc->devid = pci_get_device(dev); 893 subdev = (pci_get_subdevice(dev) << 16) | pci_get_subvendor(dev); 894 /* 895 * The SiS 7012 register set isn't quite like the standard ich. 896 * There really should be a general "quirks" mechanism. 897 */ 898 if (vendor == SIS_VENDORID && devid == SIS_7012) { 899 sc->swap_reg = 1; 900 sc->sample_size = 1; 901 } else { 902 sc->swap_reg = 0; 903 sc->sample_size = 2; 904 } 905 906 /* 907 * Intel 440MX Errata #36 908 * - AC97 Soft Audio and Soft Modem Master Abort Errata 909 * 910 * http://www.intel.com/design/chipsets/specupdt/245051.htm 911 */ 912 if (vendor == INTEL_VENDORID && devid == INTEL_82440MX) 913 sc->flags |= ICH_DMA_NOCACHE; 914 915 /* 916 * Enable bus master. On ich4/5 this may prevent the detection of 917 * the primary codec becoming ready in ich_init(). 918 */ 919 pci_enable_busmaster(dev); 920 921 /* 922 * By default, ich4 has NAMBAR and NABMBAR i/o spaces as 923 * read-only. Need to enable "legacy support", by poking into 924 * pci config space. The driver should use MMBAR and MBBAR, 925 * but doing so will mess things up here. ich4 has enough new 926 * features it warrants it's own driver. 927 */ 928 if (vendor == INTEL_VENDORID && (devid == INTEL_82801DB || 929 devid == INTEL_82801EB || devid == INTEL_6300ESB || 930 devid == INTEL_82801FB || devid == INTEL_82801GB)) { 931 sc->nambarid = PCIR_MMBAR; 932 sc->nabmbarid = PCIR_MBBAR; 933 sc->regtype = SYS_RES_MEMORY; 934 pci_write_config(dev, PCIR_ICH_LEGACY, ICH_LEGACY_ENABLE, 1); 935 } else { 936 sc->nambarid = PCIR_NAMBAR; 937 sc->nabmbarid = PCIR_NABMBAR; 938 sc->regtype = SYS_RES_IOPORT; 939 } 940 941 sc->nambar = bus_alloc_resource_any(dev, sc->regtype, 942 &sc->nambarid, RF_ACTIVE); 943 sc->nabmbar = bus_alloc_resource_any(dev, sc->regtype, 944 &sc->nabmbarid, RF_ACTIVE); 945 946 if (!sc->nambar || !sc->nabmbar) { 947 device_printf(dev, "unable to map IO port space\n"); 948 goto bad; 949 } 950 951 sc->nambart = rman_get_bustag(sc->nambar); 952 sc->nambarh = rman_get_bushandle(sc->nambar); 953 sc->nabmbart = rman_get_bustag(sc->nabmbar); 954 sc->nabmbarh = rman_get_bushandle(sc->nabmbar); 955 956 sc->bufsz = pcm_getbuffersize(dev, 957 ICH_MIN_BUFSZ, ICH_DEFAULT_BUFSZ, ICH_MAX_BUFSZ); 958 959 if (resource_int_value(device_get_name(dev), 960 device_get_unit(dev), "blocksize", &i) == 0 && i > 0) { 961 sc->blkcnt = sc->bufsz / i; 962 i = 0; 963 while (sc->blkcnt >> i) 964 i++; 965 sc->blkcnt = 1 << (i - 1); 966 if (sc->blkcnt < ICH_MIN_BLKCNT) 967 sc->blkcnt = ICH_MIN_BLKCNT; 968 else if (sc->blkcnt > ICH_MAX_BLKCNT) 969 sc->blkcnt = ICH_MAX_BLKCNT; 970 } else 971 sc->blkcnt = ICH_DEFAULT_BLKCNT; 972 973 if (resource_int_value(device_get_name(dev), 974 device_get_unit(dev), "highlatency", &i) == 0 && i != 0) { 975 sc->flags |= ICH_HIGH_LATENCY; 976 sc->blkcnt = ICH_MIN_BLKCNT; 977 } 978 979 if (resource_int_value(device_get_name(dev), 980 device_get_unit(dev), "fixedrate", &i) == 0 && i != 0) 981 sc->flags |= ICH_FIXED_RATE; 982 983 sc->irqid = 0; 984 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqid, 985 RF_ACTIVE | RF_SHAREABLE); 986 if (!sc->irq || snd_setup_intr(dev, sc->irq, INTR_MPSAFE, ich_intr, 987 sc, &sc->ih)) { 988 device_printf(dev, "unable to map interrupt\n"); 989 goto bad; 990 } 991 992 if (ich_init(sc)) { 993 device_printf(dev, "unable to initialize the card\n"); 994 goto bad; 995 } 996 997 sc->codec = AC97_CREATE(dev, sc, ich_ac97); 998 if (sc->codec == NULL) 999 goto bad; 1000 1001 /* 1002 * Turn on inverted external amplifier sense flags for few 1003 * 'special' boards. 1004 */ 1005 switch (subdev) { 1006 case 0x202f161f: /* Gateway 7326GZ */ 1007 case 0x203a161f: /* Gateway 4028GZ */ 1008 case 0x204c161f: /* Kvazar-Micro Senator 3592XT */ 1009 case 0x8144104d: /* Sony VAIO PCG-TR* */ 1010 case 0x8197104d: /* Sony S1XP */ 1011 case 0x81c0104d: /* Sony VAIO type T */ 1012 case 0x81c5104d: /* Sony VAIO VGN B1VP/B1XP */ 1013 case 0x3089103c: /* Compaq Presario B3800 */ 1014 case 0x309a103c: /* HP Compaq nx4300 */ 1015 case 0x82131033: /* NEC VersaPro VJ10F/BH */ 1016 case 0x82be1033: /* NEC VersaPro VJ12F/CH */ 1017 ac97_setflags(sc->codec, ac97_getflags(sc->codec) | AC97_F_EAPD_INV); 1018 break; 1019 default: 1020 break; 1021 } 1022 1023 mixer_init(dev, ac97_getmixerclass(), sc->codec); 1024 1025 /* check and set VRA function */ 1026 extcaps = ac97_getextcaps(sc->codec); 1027 sc->hasvra = extcaps & AC97_EXTCAP_VRA; 1028 sc->hasvrm = extcaps & AC97_EXTCAP_VRM; 1029 sc->hasmic = ac97_getcaps(sc->codec) & AC97_CAP_MICCHANNEL; 1030 ac97_setextmode(sc->codec, sc->hasvra | sc->hasvrm); 1031 1032 sc->dtbl_size = sizeof(struct ich_desc) * ICH_DTBL_LENGTH * 1033 ((sc->hasmic) ? 3 : 2); 1034 1035 /* BDL tag */ 1036 if (bus_dma_tag_create(bus_get_dma_tag(dev), 8, 0, 1037 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 1038 sc->dtbl_size, 1, 0x3ffff, 0, NULL, NULL, &sc->dmat) != 0) { 1039 device_printf(dev, "unable to create dma tag\n"); 1040 goto bad; 1041 } 1042 1043 /* PCM channel tag */ 1044 if (bus_dma_tag_create(bus_get_dma_tag(dev), ICH_MIN_BLKSZ, 0, 1045 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 1046 sc->bufsz, 1, 0x3ffff, 0, NULL, NULL, &sc->chan_dmat) != 0) { 1047 device_printf(dev, "unable to create dma tag\n"); 1048 goto bad; 1049 } 1050 1051 if (bus_dmamem_alloc(sc->dmat, (void **)&sc->dtbl, BUS_DMA_NOWAIT | 1052 ((sc->flags & ICH_DMA_NOCACHE) ? BUS_DMA_NOCACHE : 0), 1053 &sc->dtmap)) 1054 goto bad; 1055 1056 if (bus_dmamap_load(sc->dmat, sc->dtmap, sc->dtbl, sc->dtbl_size, 1057 ich_setmap, sc, 0)) 1058 goto bad; 1059 1060 if (pcm_register(dev, sc, 1, (sc->hasmic) ? 2 : 1)) 1061 goto bad; 1062 1063 pcm_addchan(dev, PCMDIR_PLAY, &ichchan_class, sc); /* play */ 1064 pcm_addchan(dev, PCMDIR_REC, &ichchan_class, sc); /* record */ 1065 if (sc->hasmic) 1066 pcm_addchan(dev, PCMDIR_REC, &ichchan_class, sc); /* record mic */ 1067 1068 if (sc->flags & ICH_FIXED_RATE) { 1069 sc->flags |= ICH_CALIBRATE_DONE; 1070 ich_setstatus(sc); 1071 } else { 1072 ich_initsys(sc); 1073 1074 sc->intrhook.ich_func = ich_calibrate; 1075 sc->intrhook.ich_arg = sc; 1076 if (cold == 0 || 1077 config_intrhook_establish(&sc->intrhook) != 0) { 1078 sc->intrhook.ich_func = NULL; 1079 ich_calibrate(sc); 1080 } 1081 } 1082 1083 return (0); 1084 1085bad: 1086 if (sc->codec) 1087 ac97_destroy(sc->codec); 1088 if (sc->ih) 1089 bus_teardown_intr(dev, sc->irq, sc->ih); 1090 if (sc->irq) 1091 bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq); 1092 if (sc->nambar) 1093 bus_release_resource(dev, sc->regtype, 1094 sc->nambarid, sc->nambar); 1095 if (sc->nabmbar) 1096 bus_release_resource(dev, sc->regtype, 1097 sc->nabmbarid, sc->nabmbar); 1098 if (sc->dtmap) 1099 bus_dmamap_unload(sc->dmat, sc->dtmap); 1100 if (sc->dtbl) 1101 bus_dmamem_free(sc->dmat, sc->dtbl, sc->dtmap); 1102 if (sc->chan_dmat) 1103 bus_dma_tag_destroy(sc->chan_dmat); 1104 if (sc->dmat) 1105 bus_dma_tag_destroy(sc->dmat); 1106 if (sc->ich_lock) 1107 snd_mtxfree(sc->ich_lock); 1108 free(sc, M_DEVBUF); 1109 return (ENXIO); 1110} 1111 1112static int 1113ich_pci_detach(device_t dev) 1114{ 1115 struct sc_info *sc; 1116 int r; 1117 1118 r = pcm_unregister(dev); 1119 if (r) 1120 return (r); 1121 sc = pcm_getdevinfo(dev); 1122 1123 bus_teardown_intr(dev, sc->irq, sc->ih); 1124 bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq); 1125 bus_release_resource(dev, sc->regtype, sc->nambarid, sc->nambar); 1126 bus_release_resource(dev, sc->regtype, sc->nabmbarid, sc->nabmbar); 1127 bus_dmamap_unload(sc->dmat, sc->dtmap); 1128 bus_dmamem_free(sc->dmat, sc->dtbl, sc->dtmap); 1129 bus_dma_tag_destroy(sc->chan_dmat); 1130 bus_dma_tag_destroy(sc->dmat); 1131 snd_mtxfree(sc->ich_lock); 1132 free(sc, M_DEVBUF); 1133 return (0); 1134} 1135 1136static void 1137ich_pci_codec_reset(struct sc_info *sc) 1138{ 1139 int i; 1140 uint32_t control; 1141 1142 control = ich_rd(sc, ICH_REG_GLOB_CNT, 4); 1143 control &= ~(ICH_GLOB_CTL_SHUT); 1144 control |= (control & ICH_GLOB_CTL_COLD) ? 1145 ICH_GLOB_CTL_WARM : ICH_GLOB_CTL_COLD; 1146 ich_wr(sc, ICH_REG_GLOB_CNT, control, 4); 1147 1148 for (i = 500000; i; i--) { 1149 if (ich_rd(sc, ICH_REG_GLOB_STA, 4) & ICH_GLOB_STA_PCR) 1150 break; /* or ICH_SCR? */ 1151 DELAY(1); 1152 } 1153 1154 if (i <= 0) 1155 printf("%s: time out\n", __func__); 1156} 1157 1158static int 1159ich_pci_suspend(device_t dev) 1160{ 1161 struct sc_info *sc; 1162 int i; 1163 1164 sc = pcm_getdevinfo(dev); 1165 ICH_LOCK(sc); 1166 for (i = 0 ; i < 3; i++) { 1167 sc->ch[i].run_save = sc->ch[i].run; 1168 if (sc->ch[i].run) { 1169 ICH_UNLOCK(sc); 1170 ichchan_trigger(0, &sc->ch[i], PCMTRIG_ABORT); 1171 ICH_LOCK(sc); 1172 } 1173 } 1174 ICH_UNLOCK(sc); 1175 return (0); 1176} 1177 1178static int 1179ich_pci_resume(device_t dev) 1180{ 1181 struct sc_info *sc; 1182 int i; 1183 1184 sc = pcm_getdevinfo(dev); 1185 1186 if (sc->regtype == SYS_RES_IOPORT) 1187 pci_enable_io(dev, SYS_RES_IOPORT); 1188 else 1189 pci_enable_io(dev, SYS_RES_MEMORY); 1190 pci_enable_busmaster(dev); 1191 1192 ICH_LOCK(sc); 1193 /* Reinit audio device */ 1194 if (ich_init(sc) == -1) { 1195 device_printf(dev, "unable to reinitialize the card\n"); 1196 ICH_UNLOCK(sc); 1197 return (ENXIO); 1198 } 1199 /* Reinit mixer */ 1200 ich_pci_codec_reset(sc); 1201 ICH_UNLOCK(sc); 1202 ac97_setextmode(sc->codec, sc->hasvra | sc->hasvrm); 1203 if (mixer_reinit(dev) == -1) { 1204 device_printf(dev, "unable to reinitialize the mixer\n"); 1205 return (ENXIO); 1206 } 1207 /* Re-start DMA engines */ 1208 for (i = 0 ; i < 3; i++) { 1209 struct sc_chinfo *ch = &sc->ch[i]; 1210 if (sc->ch[i].run_save) { 1211 ichchan_setblocksize(0, ch, ch->blksz); 1212 ichchan_setspeed(0, ch, ch->spd); 1213 ichchan_trigger(0, ch, PCMTRIG_START); 1214 } 1215 } 1216 return (0); 1217} 1218 1219static device_method_t ich_methods[] = { 1220 /* Device interface */ 1221 DEVMETHOD(device_probe, ich_pci_probe), 1222 DEVMETHOD(device_attach, ich_pci_attach), 1223 DEVMETHOD(device_detach, ich_pci_detach), 1224 DEVMETHOD(device_suspend, ich_pci_suspend), 1225 DEVMETHOD(device_resume, ich_pci_resume), 1226 { 0, 0 } 1227}; 1228 1229static driver_t ich_driver = { 1230 "pcm", 1231 ich_methods, 1232 PCM_SOFTC_SIZE, 1233}; 1234 1235DRIVER_MODULE(snd_ich, pci, ich_driver, pcm_devclass, 0, 0); 1236MODULE_DEPEND(snd_ich, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 1237MODULE_VERSION(snd_ich, 1); 1238