32 */ 33 34#include <dev/sound/pcm/sound.h> 35 36#include <dev/sound/isa/sb.h> 37#include <dev/sound/chip.h> 38 39#include "mixer_if.h" 40 41#define ESS_BUFFSIZE (4096) 42#define ABS(x) (((x) < 0)? -(x) : (x)) 43 44/* audio2 never generates irqs and sounds very noisy */ 45#undef ESS18XX_DUPLEX 46 47/* more accurate clocks and split audio1/audio2 rates */ 48#define ESS18XX_NEWSPEED 49 50static u_int32_t ess_pfmt[] = { 51 AFMT_U8, 52 AFMT_STEREO | AFMT_U8, 53 AFMT_S8, 54 AFMT_STEREO | AFMT_S8, 55 AFMT_S16_LE, 56 AFMT_STEREO | AFMT_S16_LE, 57 AFMT_U16_LE, 58 AFMT_STEREO | AFMT_U16_LE, 59 0 60}; 61 62static struct pcmchan_caps ess_playcaps = {5000, 49000, ess_pfmt, 0}; 63 64static u_int32_t ess_rfmt[] = { 65 AFMT_U8, 66 AFMT_STEREO | AFMT_U8, 67 AFMT_S8, 68 AFMT_STEREO | AFMT_S8, 69 AFMT_S16_LE, 70 AFMT_STEREO | AFMT_S16_LE, 71 AFMT_U16_LE, 72 AFMT_STEREO | AFMT_U16_LE, 73 0 74}; 75 76static struct pcmchan_caps ess_reccaps = {5000, 49000, ess_rfmt, 0}; 77 78struct ess_info; 79 80struct ess_chinfo { 81 struct ess_info *parent; 82 struct pcm_channel *channel; 83 struct snd_dbuf *buffer; 84 int dir, hwch, stopping, run; 85 u_int32_t fmt, spd, blksz; 86}; 87 88struct ess_info { 89 device_t parent_dev; 90 struct resource *io_base; /* I/O address for the board */ 91 struct resource *irq; 92 struct resource *drq1; 93 struct resource *drq2; 94 void *ih; 95 bus_dma_tag_t parent_dmat; 96 97 int type, duplex:1, newspeed:1; 98 u_long bd_flags; /* board-specific flags */ 99 struct ess_chinfo pch, rch; 100}; 101 102static int ess_rd(struct ess_info *sc, int reg); 103static void ess_wr(struct ess_info *sc, int reg, u_int8_t val); 104static int ess_dspready(struct ess_info *sc); 105static int ess_cmd(struct ess_info *sc, u_char val); 106static int ess_cmd1(struct ess_info *sc, u_char cmd, int val); 107static int ess_get_byte(struct ess_info *sc); 108static void ess_setmixer(struct ess_info *sc, u_int port, u_int value); 109static int ess_getmixer(struct ess_info *sc, u_int port); 110static int ess_reset_dsp(struct ess_info *sc); 111 112static int ess_write(struct ess_info *sc, u_char reg, int val); 113static int ess_read(struct ess_info *sc, u_char reg); 114 115static void ess_intr(void *arg); 116static int ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len); 117static int ess_start(struct ess_chinfo *ch); 118static int ess_stop(struct ess_chinfo *ch); 119 120static devclass_t pcm_devclass; 121 122/* 123 * Common code for the midi and pcm functions 124 * 125 * ess_cmd write a single byte to the CMD port. 126 * ess_cmd1 write a CMD + 1 byte arg 127 * ess_cmd2 write a CMD + 2 byte arg 128 * ess_get_byte returns a single byte from the DSP data port 129 * 130 * ess_write is actually ess_cmd1 131 * ess_read access ext. regs via ess_cmd(0xc0, reg) followed by ess_get_byte 132 */ 133 134static void 135ess_lock(struct ess_info *sc) { 136 137 sbc_lock(device_get_softc(sc->parent_dev)); 138} 139 140static void 141ess_unlock(struct ess_info *sc) { 142 143 sbc_unlock(device_get_softc(sc->parent_dev)); 144} 145 146static int 147port_rd(struct resource *port, int off) 148{ 149 return bus_space_read_1(rman_get_bustag(port), 150 rman_get_bushandle(port), 151 off); 152} 153 154static void 155port_wr(struct resource *port, int off, u_int8_t data) 156{ 157 return bus_space_write_1(rman_get_bustag(port), 158 rman_get_bushandle(port), 159 off, data); 160} 161 162static int 163ess_rd(struct ess_info *sc, int reg) 164{ 165 return port_rd(sc->io_base, reg); 166} 167 168static void 169ess_wr(struct ess_info *sc, int reg, u_int8_t val) 170{ 171 port_wr(sc->io_base, reg, val); 172} 173 174static int 175ess_dspready(struct ess_info *sc) 176{ 177 return ((ess_rd(sc, SBDSP_STATUS) & 0x80) == 0); 178} 179 180static int 181ess_dspwr(struct ess_info *sc, u_char val) 182{ 183 int i; 184 185 for (i = 0; i < 1000; i++) { 186 if (ess_dspready(sc)) { 187 ess_wr(sc, SBDSP_CMD, val); 188 return 1; 189 } 190 if (i > 10) DELAY((i > 100)? 1000 : 10); 191 } 192 printf("ess_dspwr(0x%02x) timed out.\n", val); 193 return 0; 194} 195 196static int 197ess_cmd(struct ess_info *sc, u_char val) 198{ 199#if 0 200 printf("ess_cmd: %x\n", val); 201#endif 202 return ess_dspwr(sc, val); 203} 204 205static int 206ess_cmd1(struct ess_info *sc, u_char cmd, int val) 207{ 208#if 0 209 printf("ess_cmd1: %x, %x\n", cmd, val); 210#endif 211 if (ess_dspwr(sc, cmd)) { 212 return ess_dspwr(sc, val & 0xff); 213 } else return 0; 214} 215 216static void 217ess_setmixer(struct ess_info *sc, u_int port, u_int value) 218{ 219 DEB(printf("ess_setmixer: reg=%x, val=%x\n", port, value);) 220 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 221 DELAY(10); 222 ess_wr(sc, SB_MIX_DATA, (u_char) (value & 0xff)); 223 DELAY(10); 224} 225 226static int 227ess_getmixer(struct ess_info *sc, u_int port) 228{ 229 int val; 230 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 231 DELAY(10); 232 val = ess_rd(sc, SB_MIX_DATA); 233 DELAY(10); 234 235 return val; 236} 237 238static int 239ess_get_byte(struct ess_info *sc) 240{ 241 int i; 242 243 for (i = 1000; i > 0; i--) { 244 if (ess_rd(sc, DSP_DATA_AVAIL) & 0x80) 245 return ess_rd(sc, DSP_READ); 246 else 247 DELAY(20); 248 } 249 return -1; 250} 251 252static int 253ess_write(struct ess_info *sc, u_char reg, int val) 254{ 255 return ess_cmd1(sc, reg, val); 256} 257 258static int 259ess_read(struct ess_info *sc, u_char reg) 260{ 261 return (ess_cmd(sc, 0xc0) && ess_cmd(sc, reg))? ess_get_byte(sc) : -1; 262} 263 264static int 265ess_reset_dsp(struct ess_info *sc) 266{ 267 ess_wr(sc, SBDSP_RST, 3); 268 DELAY(100); 269 ess_wr(sc, SBDSP_RST, 0); 270 if (ess_get_byte(sc) != 0xAA) { 271 DEB(printf("ess_reset_dsp 0x%lx failed\n", 272 rman_get_start(d->io_base))); 273 return ENXIO; /* Sorry */ 274 } 275 ess_cmd(sc, 0xc6); 276 return 0; 277} 278 279static void 280ess_release_resources(struct ess_info *sc, device_t dev) 281{ 282 if (sc->irq) { 283 if (sc->ih) 284 bus_teardown_intr(dev, sc->irq, sc->ih); 285 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq); 286 sc->irq = 0; 287 } 288 if (sc->drq1) { 289 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->drq1); 290 sc->drq1 = 0; 291 } 292 if (sc->drq2) { 293 bus_release_resource(dev, SYS_RES_DRQ, 1, sc->drq2); 294 sc->drq2 = 0; 295 } 296 if (sc->io_base) { 297 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->io_base); 298 sc->io_base = 0; 299 } 300 if (sc->parent_dmat) { 301 bus_dma_tag_destroy(sc->parent_dmat); 302 sc->parent_dmat = 0; 303 } 304 free(sc, M_DEVBUF); 305} 306 307static int 308ess_alloc_resources(struct ess_info *sc, device_t dev) 309{ 310 int rid; 311 312 rid = 0; 313 if (!sc->io_base) 314 sc->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, 315 &rid, 0, ~0, 1, 316 RF_ACTIVE); 317 rid = 0; 318 if (!sc->irq) 319 sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, 320 &rid, 0, ~0, 1, 321 RF_ACTIVE); 322 rid = 0; 323 if (!sc->drq1) 324 sc->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ, 325 &rid, 0, ~0, 1, 326 RF_ACTIVE); 327 rid = 1; 328 if (!sc->drq2) 329 sc->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ, 330 &rid, 0, ~0, 1, 331 RF_ACTIVE); 332 333 if (sc->io_base && sc->drq1 && sc->irq) { 334 isa_dma_acquire(rman_get_start(sc->drq1)); 335 isa_dmainit(rman_get_start(sc->drq1), ESS_BUFFSIZE); 336 337 if (sc->drq2) { 338 isa_dma_acquire(rman_get_start(sc->drq2)); 339 isa_dmainit(rman_get_start(sc->drq2), ESS_BUFFSIZE); 340 } 341 342 return 0; 343 } else return ENXIO; 344} 345 346static void 347ess_intr(void *arg) 348{ 349 struct ess_info *sc = (struct ess_info *)arg; 350 int src, pirq, rirq; 351 352 ess_lock(sc); 353 src = 0; 354 if (ess_getmixer(sc, 0x7a) & 0x80) 355 src |= 2; 356 if (ess_rd(sc, 0x0c) & 0x01) 357 src |= 1; 358 359 pirq = (src & sc->pch.hwch)? 1 : 0; 360 rirq = (src & sc->rch.hwch)? 1 : 0; 361 362 if (pirq) { 363 if (sc->pch.run) 364 chn_intr(sc->pch.channel); 365 if (sc->pch.stopping) { 366 sc->pch.run = 0; 367 sndbuf_isadma(sc->pch.buffer, PCMTRIG_STOP); 368 sc->pch.stopping = 0; 369 if (sc->pch.hwch == 1) 370 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01); 371 else 372 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x03); 373 } 374 } 375 376 if (rirq) { 377 if (sc->rch.run) 378 chn_intr(sc->rch.channel); 379 if (sc->rch.stopping) { 380 sc->rch.run = 0; 381 sndbuf_isadma(sc->rch.buffer, PCMTRIG_STOP); 382 sc->rch.stopping = 0; 383 /* XXX: will this stop audio2? */ 384 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01); 385 } 386 } 387 388 if (src & 2) 389 ess_setmixer(sc, 0x7a, ess_getmixer(sc, 0x7a) & ~0x80); 390 if (src & 1) 391 ess_rd(sc, DSP_DATA_AVAIL); 392 ess_unlock(sc); 393} 394 395/* utility functions for ESS */ 396static u_int8_t 397ess_calcspeed8(int *spd) 398{ 399 int speed = *spd; 400 u_int32_t t; 401 402 if (speed > 22000) { 403 t = (795500 + speed / 2) / speed; 404 speed = (795500 + t / 2) / t; 405 t = (256 - t) | 0x80; 406 } else { 407 t = (397700 + speed / 2) / speed; 408 speed = (397700 + t / 2) / t; 409 t = 128 - t; 410 } 411 *spd = speed; 412 return t & 0x000000ff; 413} 414 415static u_int8_t 416ess_calcspeed9(int *spd) 417{ 418 int speed, s0, s1, use0; 419 u_int8_t t0, t1; 420 421 /* rate = source / (256 - divisor) */ 422 /* divisor = 256 - (source / rate) */ 423 speed = *spd; 424 t0 = 128 - (793800 / speed); 425 s0 = 793800 / (128 - t0); 426 427 t1 = 128 - (768000 / speed); 428 s1 = 768000 / (128 - t1); 429 t1 |= 0x80; 430 431 use0 = (ABS(speed - s0) < ABS(speed - s1))? 1 : 0; 432 433 *spd = use0? s0 : s1; 434 return use0? t0 : t1; 435} 436 437static u_int8_t 438ess_calcfilter(int spd) 439{ 440 int cutoff; 441 442 /* cutoff = 7160000 / (256 - divisor) */ 443 /* divisor = 256 - (7160000 / cutoff) */ 444 cutoff = (spd * 9 * 82) / 20; 445 return (256 - (7160000 / cutoff)); 446} 447 448static int 449ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len) 450{ 451 int play = (dir == PCMDIR_PLAY)? 1 : 0; 452 int b16 = (fmt & AFMT_16BIT)? 1 : 0; 453 int stereo = (fmt & AFMT_STEREO)? 1 : 0; 454 int unsign = (fmt == AFMT_U8 || fmt == AFMT_U16_LE)? 1 : 0; 455 u_int8_t spdval, fmtval; 456 457 458 spdval = (sc->newspeed)? ess_calcspeed9(&spd) : ess_calcspeed8(&spd); 459 len = -len; 460 461 if (ch == 1) { 462 KASSERT((dir == PCMDIR_PLAY) || (dir == PCMDIR_REC), ("ess_setupch: dir1 bad")); 463 /* transfer length low */ 464 ess_write(sc, 0xa4, len & 0x00ff); 465 /* transfer length high */ 466 ess_write(sc, 0xa5, (len & 0xff00) >> 8); 467 /* autoinit, dma dir */ 468 ess_write(sc, 0xb8, 0x04 | (play? 0x00 : 0x0a)); 469 /* mono/stereo */ 470 ess_write(sc, 0xa8, (ess_read(sc, 0xa8) & ~0x03) | (stereo? 0x01 : 0x02)); 471 /* demand mode, 4 bytes/xfer */ 472 ess_write(sc, 0xb9, 0x02); 473 /* sample rate */ 474 ess_write(sc, 0xa1, spdval); 475 /* filter cutoff */ 476 ess_write(sc, 0xa2, ess_calcfilter(spd)); 477 /* setup dac/adc */ 478 if (play) 479 ess_write(sc, 0xb6, unsign? 0x80 : 0x00); 480 /* mono, b16: signed, load signal */ 481 ess_write(sc, 0xb7, 0x51 | (unsign? 0x00 : 0x20)); 482 /* setup fifo */ 483 ess_write(sc, 0xb7, 0x90 | (unsign? 0x00 : 0x20) | 484 (b16? 0x04 : 0x00) | 485 (stereo? 0x08 : 0x40)); 486 /* irq control */ 487 ess_write(sc, 0xb1, (ess_read(sc, 0xb1) & 0x0f) | 0x50); 488 /* drq control */ 489 ess_write(sc, 0xb2, (ess_read(sc, 0xb2) & 0x0f) | 0x50); 490 } else if (ch == 2) { 491 KASSERT(dir == PCMDIR_PLAY, ("ess_setupch: dir2 bad")); 492 /* transfer length low */ 493 ess_setmixer(sc, 0x74, len & 0x00ff); 494 /* transfer length high */ 495 ess_setmixer(sc, 0x76, (len & 0xff00) >> 8); 496 /* autoinit, 4 bytes/req */ 497 ess_setmixer(sc, 0x78, 0x90); 498 fmtval = b16 | (stereo << 1) | (unsign << 2); 499 /* enable irq, set format */ 500 ess_setmixer(sc, 0x7a, 0x40 | fmtval); 501 if (sc->newspeed) { 502 /* sample rate */ 503 ess_setmixer(sc, 0x70, spdval); 504 /* filter cutoff */ 505 ess_setmixer(sc, 0x72, ess_calcfilter(spd)); 506 } 507 } 508 509 return 0; 510} 511static int 512ess_start(struct ess_chinfo *ch) 513{ 514 struct ess_info *sc = ch->parent; 515 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 516 517 ess_lock(sc); 518 ess_setupch(sc, ch->hwch, ch->dir, ch->spd, ch->fmt, ch->blksz); 519 ch->stopping = 0; 520 if (ch->hwch == 1) 521 ess_write(sc, 0xb8, ess_read(sc, 0xb8) | 0x01); 522 else 523 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) | 0x03); 524 if (play) 525 ess_cmd(sc, DSP_CMD_SPKON); 526 ess_unlock(sc); 527 return 0; 528} 529 530static int 531ess_stop(struct ess_chinfo *ch) 532{ 533 struct ess_info *sc = ch->parent; 534 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 535 536 ess_lock(sc); 537 ch->stopping = 1; 538 if (ch->hwch == 1) 539 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x04); 540 else 541 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x10); 542 if (play) 543 ess_cmd(sc, DSP_CMD_SPKOFF); 544 ess_unlock(sc); 545 return 0; 546} 547 548/* -------------------------------------------------------------------- */ 549/* channel interface for ESS18xx */ 550static void * 551esschan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 552{ 553 struct ess_info *sc = devinfo; 554 struct ess_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch; 555 556 ch->parent = sc; 557 ch->channel = c; 558 ch->buffer = b; 559 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, ESS_BUFFSIZE) == -1) 560 return NULL; 561 ch->dir = dir; 562 ch->hwch = 1; 563 if ((dir == PCMDIR_PLAY) && (sc->duplex)) 564 ch->hwch = 2; 565 sndbuf_isadmasetup(ch->buffer, (ch->hwch == 1)? sc->drq1 : sc->drq2); 566 return ch; 567} 568 569static int 570esschan_setformat(kobj_t obj, void *data, u_int32_t format) 571{ 572 struct ess_chinfo *ch = data; 573 574 ch->fmt = format; 575 return 0; 576} 577 578static int 579esschan_setspeed(kobj_t obj, void *data, u_int32_t speed) 580{ 581 struct ess_chinfo *ch = data; 582 struct ess_info *sc = ch->parent; 583 584 ch->spd = speed; 585 if (sc->newspeed) 586 ess_calcspeed9(&ch->spd); 587 else 588 ess_calcspeed8(&ch->spd); 589 return ch->spd; 590} 591 592static int 593esschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 594{ 595 struct ess_chinfo *ch = data; 596 597 ch->blksz = blocksize; 598 return ch->blksz; 599} 600 601static int 602esschan_trigger(kobj_t obj, void *data, int go) 603{ 604 struct ess_chinfo *ch = data; 605 606 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 607 return 0; 608 609 switch (go) { 610 case PCMTRIG_START: 611 ch->run = 1; 612 sndbuf_isadma(ch->buffer, go); 613 ess_start(ch); 614 break; 615 616 case PCMTRIG_STOP: 617 case PCMTRIG_ABORT: 618 default: 619 ess_stop(ch); 620 break; 621 } 622 return 0; 623} 624 625static int 626esschan_getptr(kobj_t obj, void *data) 627{ 628 struct ess_chinfo *ch = data; 629 630 return sndbuf_isadmaptr(ch->buffer); 631} 632 633static struct pcmchan_caps * 634esschan_getcaps(kobj_t obj, void *data) 635{ 636 struct ess_chinfo *ch = data; 637 638 return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps; 639} 640 641static kobj_method_t esschan_methods[] = { 642 KOBJMETHOD(channel_init, esschan_init), 643 KOBJMETHOD(channel_setformat, esschan_setformat), 644 KOBJMETHOD(channel_setspeed, esschan_setspeed), 645 KOBJMETHOD(channel_setblocksize, esschan_setblocksize), 646 KOBJMETHOD(channel_trigger, esschan_trigger), 647 KOBJMETHOD(channel_getptr, esschan_getptr), 648 KOBJMETHOD(channel_getcaps, esschan_getcaps), 649 { 0, 0 } 650}; 651CHANNEL_DECLARE(esschan); 652 653/************************************************************/ 654 655static int 656essmix_init(struct snd_mixer *m) 657{ 658 struct ess_info *sc = mix_getdevinfo(m); 659 660 mix_setrecdevs(m, SOUND_MASK_CD | SOUND_MASK_MIC | SOUND_MASK_LINE | 661 SOUND_MASK_IMIX); 662 663 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | 664 SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME | 665 SOUND_MASK_LINE1 | SOUND_MASK_SPEAKER); 666 667 ess_setmixer(sc, 0, 0); /* reset */ 668 669 return 0; 670} 671 672static int 673essmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) 674{ 675 struct ess_info *sc = mix_getdevinfo(m); 676 int preg = 0, rreg = 0, l, r; 677 678 l = (left * 15) / 100; 679 r = (right * 15) / 100; 680 switch (dev) { 681 case SOUND_MIXER_SYNTH: 682 preg = 0x36; 683 rreg = 0x6b; 684 break; 685 686 case SOUND_MIXER_PCM: 687 preg = 0x14; 688 rreg = 0x7c; 689 break; 690 691 case SOUND_MIXER_LINE: 692 preg = 0x3e; 693 rreg = 0x6e; 694 break; 695 696 case SOUND_MIXER_MIC: 697 preg = 0x1a; 698 rreg = 0x68; 699 break; 700 701 case SOUND_MIXER_LINE1: 702 preg = 0x3a; 703 rreg = 0x6c; 704 break; 705 706 case SOUND_MIXER_CD: 707 preg = 0x38; 708 rreg = 0x6a; 709 break; 710 711 case SOUND_MIXER_SPEAKER: 712 preg = 0x3c; 713 break; 714 715 case SOUND_MIXER_VOLUME: 716 l = left? (left * 63) / 100 : 64; 717 r = right? (right * 63) / 100 : 64; 718 ess_setmixer(sc, 0x60, l); 719 ess_setmixer(sc, 0x62, r); 720 left = (l == 64)? 0 : (l * 100) / 63; 721 right = (r == 64)? 0 : (r * 100) / 63; 722 return left | (right << 8); 723 } 724 725 if (preg) 726 ess_setmixer(sc, preg, (l << 4) | r); 727 if (rreg) 728 ess_setmixer(sc, rreg, (l << 4) | r); 729 730 left = (l * 100) / 15; 731 right = (r * 100) / 15; 732 733 return left | (right << 8); 734} 735 736static int 737essmix_setrecsrc(struct snd_mixer *m, u_int32_t src) 738{ 739 struct ess_info *sc = mix_getdevinfo(m); 740 u_char recdev; 741 742 switch (src) { 743 case SOUND_MASK_CD: 744 recdev = 0x02; 745 break; 746 747 case SOUND_MASK_LINE: 748 recdev = 0x06; 749 break; 750 751 case SOUND_MASK_IMIX: 752 recdev = 0x05; 753 break; 754 755 case SOUND_MASK_MIC: 756 default: 757 recdev = 0x00; 758 src = SOUND_MASK_MIC; 759 break; 760 } 761 762 ess_setmixer(sc, 0x1c, recdev); 763 764 return src; 765} 766 767static kobj_method_t essmixer_methods[] = { 768 KOBJMETHOD(mixer_init, essmix_init), 769 KOBJMETHOD(mixer_set, essmix_set), 770 KOBJMETHOD(mixer_setrecsrc, essmix_setrecsrc), 771 { 0, 0 } 772}; 773MIXER_DECLARE(essmixer); 774 775/************************************************************/ 776 777static int 778ess_probe(device_t dev) 779{ 780 uintptr_t func, ver, r, f; 781 782 /* The parent device has already been probed. */ 783 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func); 784 if (func != SCF_PCM) 785 return (ENXIO); 786 787 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); 788 f = (ver & 0xffff0000) >> 16; 789 if (!(f & BD_F_ESS)) 790 return (ENXIO); 791 792 device_set_desc(dev, "ESS 18xx DSP"); 793 794 return 0; 795} 796 797static int 798ess_attach(device_t dev) 799{ 800 struct ess_info *sc; 801 char status[SND_STATUSLEN], buf[64]; 802 int ver; 803 804 sc = (struct ess_info *)malloc(sizeof *sc, M_DEVBUF, M_NOWAIT); 805 if (!sc) 806 return ENXIO; 807 bzero(sc, sizeof *sc); 808 809 sc->parent_dev = device_get_parent(dev); 810 if (ess_alloc_resources(sc, dev)) 811 goto no; 812 if (ess_reset_dsp(sc)) 813 goto no; 814 if (mixer_init(dev, &essmixer_class, sc)) 815 goto no; 816 817 sc->duplex = 0; 818 sc->newspeed = 0; 819 ver = (ess_getmixer(sc, 0x40) << 8) | ess_rd(sc, SB_MIX_DATA); 820 snprintf(buf, sizeof buf, "ESS %x DSP", ver); 821 device_set_desc_copy(dev, buf); 822 if (bootverbose) 823 device_printf(dev, "ESS%x detected", ver); 824 825 switch (ver) { 826 case 0x1869: 827 case 0x1879: 828#ifdef ESS18XX_DUPLEX 829 sc->duplex = sc->drq2? 1 : 0; 830#endif 831#ifdef ESS18XX_NEWSPEED 832 sc->newspeed = 1; 833#endif 834 break; 835 } 836 if (bootverbose) 837 printf("%s%s\n", sc->duplex? ", duplex" : "", 838 sc->newspeed? ", newspeed" : ""); 839 840 if (sc->newspeed) 841 ess_setmixer(sc, 0x71, 0x22); 842 843 snd_setup_intr(dev, sc->irq, INTR_MPSAFE, ess_intr, sc, &sc->ih); 844 if (!sc->duplex) 845 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 846 847 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, 848 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 849 /*highaddr*/BUS_SPACE_MAXADDR, 850 /*filter*/NULL, /*filterarg*/NULL, 851 /*maxsize*/ESS_BUFFSIZE, /*nsegments*/1, 852 /*maxsegz*/0x3ffff, 853 /*flags*/0, &sc->parent_dmat) != 0) { 854 device_printf(dev, "unable to create dma tag\n"); 855 goto no; 856 } 857 858 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld", 859 rman_get_start(sc->io_base), rman_get_start(sc->irq), 860 rman_get_start(sc->drq1)); 861 if (sc->drq2) 862 snprintf(status + strlen(status), SND_STATUSLEN - strlen(status), 863 ":%ld", rman_get_start(sc->drq2)); 864 865 if (pcm_register(dev, sc, 1, 1)) 866 goto no; 867 pcm_addchan(dev, PCMDIR_REC, &esschan_class, sc); 868 pcm_addchan(dev, PCMDIR_PLAY, &esschan_class, sc); 869 pcm_setstatus(dev, status); 870 871 return 0; 872 873no: 874 ess_release_resources(sc, dev); 875 return ENXIO; 876} 877 878static int 879ess_detach(device_t dev) 880{ 881 int r; 882 struct ess_info *sc; 883 884 r = pcm_unregister(dev); 885 if (r) 886 return r; 887 888 sc = pcm_getdevinfo(dev); 889 ess_release_resources(sc, dev); 890 return 0; 891} 892
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