1 /*- 2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26 #include <dev/sound/pcm/sound.h> 27 28 #include <dev/pci/pcireg.h> 29 #include <dev/pci/pcivar.h> 30 31 #include <dev/sound/isa/sb.h> 32 #include <dev/sound/chip.h> 33 34 #include "mixer_if.h" 35 36 SND_DECLARE_FILE("$FreeBSD$"); 37 38 #define SOLO_DEFAULT_BUFSZ 16384 39 #define ABS(x) (((x) < 0)? -(x) : (x)) 40 41 /* if defined, playback always uses the 2nd channel and full duplex works */ 42 #define ESS18XX_DUPLEX 1 43 44 /* more accurate clocks and split audio1/audio2 rates */ 45 #define ESS18XX_NEWSPEED 46 47 /* 1 = INTR_MPSAFE, 0 = GIANT */ 48 #define ESS18XX_MPSAFE 1 49 50 static u_int32_t ess_playfmt[] = { 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 static struct pcmchan_caps ess_playcaps = {6000, 48000, ess_playfmt, 0}; 62 63 /* 64 * Recording output is byte-swapped 65 */ 66 static u_int32_t ess_recfmt[] = { 67 AFMT_U8, 68 AFMT_STEREO | AFMT_U8, 69 AFMT_S8, 70 AFMT_STEREO | AFMT_S8, 71 AFMT_S16_BE, 72 AFMT_STEREO | AFMT_S16_BE, 73 AFMT_U16_BE, 74 AFMT_STEREO | AFMT_U16_BE, 75 0 76 }; 77 static struct pcmchan_caps ess_reccaps = {6000, 48000, ess_recfmt, 0}; 78 79 struct ess_info; 80 81 struct ess_chinfo { 82 struct ess_info *parent; 83 struct pcm_channel *channel; 84 struct snd_dbuf *buffer; 85 int dir, hwch, stopping; 86 u_int32_t fmt, spd, blksz; 87 }; 88 89 struct ess_info { 90 struct resource *io, *sb, *vc, *mpu, *gp; /* I/O address for the board */ 91 struct resource *irq; 92 void *ih; 93 bus_dma_tag_t parent_dmat; 94 95 int simplex_dir, type, duplex:1, newspeed:1, dmasz[2]; 96 unsigned int bufsz; 97 98 struct ess_chinfo pch, rch; 99 #if ESS18XX_MPSAFE == 1 100 struct mtx *lock; 101 #endif 102 }; 103 104 #if ESS18XX_MPSAFE == 1 105 #define ess_lock(_ess) snd_mtxlock((_ess)->lock) 106 #define ess_unlock(_ess) snd_mtxunlock((_ess)->lock) 107 #define ess_lock_assert(_ess) snd_mtxassert((_ess)->lock) 108 #else 109 #define ess_lock(_ess) 110 #define ess_unlock(_ess) 111 #define ess_lock_assert(_ess) 112 #endif 113 114 static int ess_rd(struct ess_info *sc, int reg); 115 static void ess_wr(struct ess_info *sc, int reg, u_int8_t val); 116 static int ess_dspready(struct ess_info *sc); 117 static int ess_cmd(struct ess_info *sc, u_char val); 118 static int ess_cmd1(struct ess_info *sc, u_char cmd, int val); 119 static int ess_get_byte(struct ess_info *sc); 120 static void ess_setmixer(struct ess_info *sc, u_int port, u_int value); 121 static int ess_getmixer(struct ess_info *sc, u_int port); 122 static int ess_reset_dsp(struct ess_info *sc); 123 124 static int ess_write(struct ess_info *sc, u_char reg, int val); 125 static int ess_read(struct ess_info *sc, u_char reg); 126 127 static void ess_intr(void *arg); 128 static int ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len); 129 static int ess_start(struct ess_chinfo *ch); 130 static int ess_stop(struct ess_chinfo *ch); 131 132 static int ess_dmasetup(struct ess_info *sc, int ch, u_int32_t base, u_int16_t cnt, int dir); 133 static int ess_dmapos(struct ess_info *sc, int ch); 134 static int ess_dmatrigger(struct ess_info *sc, int ch, int go); 135 136 /* 137 * Common code for the midi and pcm functions 138 * 139 * ess_cmd write a single byte to the CMD port. 140 * ess_cmd1 write a CMD + 1 byte arg 141 * ess_cmd2 write a CMD + 2 byte arg 142 * ess_get_byte returns a single byte from the DSP data port 143 * 144 * ess_write is actually ess_cmd1 145 * ess_read access ext. regs via ess_cmd(0xc0, reg) followed by ess_get_byte 146 */ 147 148 static int 149 port_rd(struct resource *port, int regno, int size) 150 { 151 bus_space_tag_t st = rman_get_bustag(port); 152 bus_space_handle_t sh = rman_get_bushandle(port); 153 154 switch (size) { 155 case 1: 156 return bus_space_read_1(st, sh, regno); 157 case 2: 158 return bus_space_read_2(st, sh, regno); 159 case 4: 160 return bus_space_read_4(st, sh, regno); 161 default: 162 return 0xffffffff; 163 } 164 } 165 166 static void 167 port_wr(struct resource *port, int regno, u_int32_t data, int size) 168 { 169 bus_space_tag_t st = rman_get_bustag(port); 170 bus_space_handle_t sh = rman_get_bushandle(port); 171 172 switch (size) { 173 case 1: 174 bus_space_write_1(st, sh, regno, data); 175 break; 176 case 2: 177 bus_space_write_2(st, sh, regno, data); 178 break; 179 case 4: 180 bus_space_write_4(st, sh, regno, data); 181 break; 182 } 183 } 184 185 static int 186 ess_rd(struct ess_info *sc, int reg) 187 { 188 return port_rd(sc->sb, reg, 1); 189 } 190 191 static void 192 ess_wr(struct ess_info *sc, int reg, u_int8_t val) 193 { 194 port_wr(sc->sb, reg, val, 1); 195 } 196 197 static int 198 ess_dspready(struct ess_info *sc) 199 { 200 return ((ess_rd(sc, SBDSP_STATUS) & 0x80) == 0); 201 } 202 203 static int 204 ess_dspwr(struct ess_info *sc, u_char val) 205 { 206 int i; 207 208 for (i = 0; i < 1000; i++) { 209 if (ess_dspready(sc)) { 210 ess_wr(sc, SBDSP_CMD, val); 211 return 1; 212 } 213 if (i > 10) DELAY((i > 100)? 1000 : 10); 214 } 215 printf("ess_dspwr(0x%02x) timed out.\n", val); 216 return 0; 217 } 218 219 static int 220 ess_cmd(struct ess_info *sc, u_char val) 221 { 222 DEB(printf("ess_cmd: %x\n", val)); 223 return ess_dspwr(sc, val); 224 } 225 226 static int 227 ess_cmd1(struct ess_info *sc, u_char cmd, int val) 228 { 229 DEB(printf("ess_cmd1: %x, %x\n", cmd, val)); 230 if (ess_dspwr(sc, cmd)) { 231 return ess_dspwr(sc, val & 0xff); 232 } else return 0; 233 } 234 235 static void 236 ess_setmixer(struct ess_info *sc, u_int port, u_int value) 237 { 238 DEB(printf("ess_setmixer: reg=%x, val=%x\n", port, value);) 239 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 240 DELAY(10); 241 ess_wr(sc, SB_MIX_DATA, (u_char) (value & 0xff)); 242 DELAY(10); 243 } 244 245 static int 246 ess_getmixer(struct ess_info *sc, u_int port) 247 { 248 int val; 249 250 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 251 DELAY(10); 252 val = ess_rd(sc, SB_MIX_DATA); 253 DELAY(10); 254 255 return val; 256 } 257 258 static int 259 ess_get_byte(struct ess_info *sc) 260 { 261 int i; 262 263 for (i = 1000; i > 0; i--) { 264 if (ess_rd(sc, 0xc) & 0x40) 265 return ess_rd(sc, DSP_READ); 266 else 267 DELAY(20); 268 } 269 return -1; 270 } 271 272 static int 273 ess_write(struct ess_info *sc, u_char reg, int val) 274 { 275 return ess_cmd1(sc, reg, val); 276 } 277 278 static int 279 ess_read(struct ess_info *sc, u_char reg) 280 { 281 return (ess_cmd(sc, 0xc0) && ess_cmd(sc, reg))? ess_get_byte(sc) : -1; 282 } 283 284 static int 285 ess_reset_dsp(struct ess_info *sc) 286 { 287 DEB(printf("ess_reset_dsp\n")); 288 ess_wr(sc, SBDSP_RST, 3); 289 DELAY(100); 290 ess_wr(sc, SBDSP_RST, 0); 291 if (ess_get_byte(sc) != 0xAA) { 292 DEB(printf("ess_reset_dsp failed\n")); 293 /* 294 rman_get_start(d->io_base))); 295 */ 296 return ENXIO; /* Sorry */ 297 } 298 ess_cmd(sc, 0xc6); 299 return 0; 300 } 301 302 static void 303 ess_intr(void *arg) 304 { 305 struct ess_info *sc = (struct ess_info *)arg; 306 int src, pirq = 0, rirq = 0; 307 308 ess_lock(sc); 309 src = 0; 310 if (ess_getmixer(sc, 0x7a) & 0x80) 311 src |= 2; 312 if (ess_rd(sc, 0x0c) & 0x01) 313 src |= 1; 314 315 if (src == 0) 316 return; 317 318 if (sc->duplex) { 319 pirq = (src & sc->pch.hwch)? 1 : 0; 320 rirq = (src & sc->rch.hwch)? 1 : 0; 321 } else { 322 if (sc->simplex_dir == PCMDIR_PLAY) 323 pirq = 1; 324 if (sc->simplex_dir == PCMDIR_REC) 325 rirq = 1; 326 if (!pirq && !rirq) 327 printf("solo: IRQ neither playback nor rec!\n"); 328 } 329 330 DEB(printf("ess_intr: pirq:%d rirq:%d\n",pirq,rirq)); 331 332 if (pirq) { 333 if (sc->pch.stopping) { 334 ess_dmatrigger(sc, sc->pch.hwch, 0); 335 sc->pch.stopping = 0; 336 if (sc->pch.hwch == 1) 337 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01); 338 else 339 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x03); 340 } 341 ess_unlock(sc); 342 chn_intr(sc->pch.channel); 343 ess_lock(sc); 344 } 345 346 if (rirq) { 347 if (sc->rch.stopping) { 348 ess_dmatrigger(sc, sc->rch.hwch, 0); 349 sc->rch.stopping = 0; 350 /* XXX: will this stop audio2? */ 351 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01); 352 } 353 ess_unlock(sc); 354 chn_intr(sc->rch.channel); 355 ess_lock(sc); 356 } 357 358 if (src & 2) 359 ess_setmixer(sc, 0x7a, ess_getmixer(sc, 0x7a) & ~0x80); 360 if (src & 1) 361 ess_rd(sc, DSP_DATA_AVAIL); 362 363 ess_unlock(sc); 364 } 365 366 /* utility functions for ESS */ 367 static u_int8_t 368 ess_calcspeed8(int *spd) 369 { 370 int speed = *spd; 371 u_int32_t t; 372 373 if (speed > 22000) { 374 t = (795500 + speed / 2) / speed; 375 speed = (795500 + t / 2) / t; 376 t = (256 - t) | 0x80; 377 } else { 378 t = (397700 + speed / 2) / speed; 379 speed = (397700 + t / 2) / t; 380 t = 128 - t; 381 } 382 *spd = speed; 383 return t & 0x000000ff; 384 } 385 386 static u_int8_t 387 ess_calcspeed9(int *spd) 388 { 389 int speed, s0, s1, use0; 390 u_int8_t t0, t1; 391 392 /* rate = source / (256 - divisor) */ 393 /* divisor = 256 - (source / rate) */ 394 speed = *spd; 395 t0 = 128 - (793800 / speed); 396 s0 = 793800 / (128 - t0); 397 398 t1 = 128 - (768000 / speed); 399 s1 = 768000 / (128 - t1); 400 t1 |= 0x80; 401 402 use0 = (ABS(speed - s0) < ABS(speed - s1))? 1 : 0; 403 404 *spd = use0? s0 : s1; 405 return use0? t0 : t1; 406 } 407 408 static u_int8_t 409 ess_calcfilter(int spd) 410 { 411 int cutoff; 412 413 /* cutoff = 7160000 / (256 - divisor) */ 414 /* divisor = 256 - (7160000 / cutoff) */ 415 cutoff = (spd * 9 * 82) / 20; 416 return (256 - (7160000 / cutoff)); 417 } 418 419 static int 420 ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len) 421 { 422 int play = (dir == PCMDIR_PLAY)? 1 : 0; 423 int b16 = (fmt & AFMT_16BIT)? 1 : 0; 424 int stereo = (fmt & AFMT_STEREO)? 1 : 0; 425 int unsign = (fmt == AFMT_U8 || fmt == AFMT_U16_LE || fmt == AFMT_U16_BE)? 1 : 0; 426 u_int8_t spdval, fmtval; 427 428 DEB(printf("ess_setupch\n")); 429 spdval = (sc->newspeed)? ess_calcspeed9(&spd) : ess_calcspeed8(&spd); 430 431 sc->simplex_dir = play ? PCMDIR_PLAY : PCMDIR_REC ; 432 433 if (ch == 1) { 434 KASSERT((dir == PCMDIR_PLAY) || (dir == PCMDIR_REC), ("ess_setupch: dir1 bad")); 435 len = -len; 436 /* transfer length low */ 437 ess_write(sc, 0xa4, len & 0x00ff); 438 /* transfer length high */ 439 ess_write(sc, 0xa5, (len & 0xff00) >> 8); 440 /* autoinit, dma dir */ 441 ess_write(sc, 0xb8, 0x04 | (play? 0x00 : 0x0a)); 442 /* mono/stereo */ 443 ess_write(sc, 0xa8, (ess_read(sc, 0xa8) & ~0x03) | (stereo? 0x01 : 0x02)); 444 /* demand mode, 4 bytes/xfer */ 445 ess_write(sc, 0xb9, 0x02); 446 /* sample rate */ 447 ess_write(sc, 0xa1, spdval); 448 /* filter cutoff */ 449 ess_write(sc, 0xa2, ess_calcfilter(spd)); 450 /* setup dac/adc */ 451 /* 452 if (play) 453 ess_write(sc, 0xb6, unsign? 0x80 : 0x00); 454 */ 455 /* mono, b16: signed, load signal */ 456 /* 457 ess_write(sc, 0xb7, 0x51 | (unsign? 0x00 : 0x20)); 458 */ 459 /* setup fifo */ 460 ess_write(sc, 0xb7, 0x91 | (unsign? 0x00 : 0x20) | 461 (b16? 0x04 : 0x00) | 462 (stereo? 0x08 : 0x40)); 463 /* irq control */ 464 ess_write(sc, 0xb1, (ess_read(sc, 0xb1) & 0x0f) | 0x50); 465 /* drq control */ 466 ess_write(sc, 0xb2, (ess_read(sc, 0xb2) & 0x0f) | 0x50); 467 } else if (ch == 2) { 468 KASSERT(dir == PCMDIR_PLAY, ("ess_setupch: dir2 bad")); 469 len >>= 1; 470 len = -len; 471 /* transfer length low */ 472 ess_setmixer(sc, 0x74, len & 0x00ff); 473 /* transfer length high */ 474 ess_setmixer(sc, 0x76, (len & 0xff00) >> 8); 475 /* autoinit, 4 bytes/req */ 476 ess_setmixer(sc, 0x78, 0x10); 477 fmtval = b16 | (stereo << 1) | ((!unsign) << 2); 478 /* enable irq, set format */ 479 ess_setmixer(sc, 0x7a, 0x40 | fmtval); 480 if (sc->newspeed) { 481 /* sample rate */ 482 ess_setmixer(sc, 0x70, spdval); 483 /* filter cutoff */ 484 ess_setmixer(sc, 0x72, ess_calcfilter(spd)); 485 } 486 487 } 488 return 0; 489 } 490 static int 491 ess_start(struct ess_chinfo *ch) 492 { 493 struct ess_info *sc = ch->parent; 494 495 DEB(printf("ess_start\n");); 496 ess_setupch(sc, ch->hwch, ch->dir, ch->spd, ch->fmt, ch->blksz); 497 ch->stopping = 0; 498 if (ch->hwch == 1) { 499 ess_write(sc, 0xb8, ess_read(sc, 0xb8) | 0x01); 500 if (ch->dir == PCMDIR_PLAY) { 501 #if 0 502 DELAY(100000); /* 100 ms */ 503 #endif 504 ess_cmd(sc, 0xd1); 505 } 506 } else 507 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) | 0x03); 508 return 0; 509 } 510 511 static int 512 ess_stop(struct ess_chinfo *ch) 513 { 514 struct ess_info *sc = ch->parent; 515 516 DEB(printf("ess_stop\n")); 517 ch->stopping = 1; 518 if (ch->hwch == 1) 519 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x04); 520 else 521 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x10); 522 DEB(printf("done with stop\n")); 523 return 0; 524 } 525 526 /* -------------------------------------------------------------------- */ 527 /* channel interface for ESS18xx */ 528 static void * 529 esschan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 530 { 531 struct ess_info *sc = devinfo; 532 struct ess_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch; 533 534 DEB(printf("esschan_init\n")); 535 ch->parent = sc; 536 ch->channel = c; 537 ch->buffer = b; 538 ch->dir = dir; 539 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, sc->bufsz) != 0) 540 return NULL; 541 ch->hwch = 1; 542 if ((dir == PCMDIR_PLAY) && (sc->duplex)) 543 ch->hwch = 2; 544 return ch; 545 } 546 547 static int 548 esschan_setformat(kobj_t obj, void *data, u_int32_t format) 549 { 550 struct ess_chinfo *ch = data; 551 552 ch->fmt = format; 553 return 0; 554 } 555 556 static int 557 esschan_setspeed(kobj_t obj, void *data, u_int32_t speed) 558 { 559 struct ess_chinfo *ch = data; 560 struct ess_info *sc = ch->parent; 561 562 ch->spd = speed; 563 if (sc->newspeed) 564 ess_calcspeed9(&ch->spd); 565 else 566 ess_calcspeed8(&ch->spd); 567 return ch->spd; 568 } 569 570 static int 571 esschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 572 { 573 struct ess_chinfo *ch = data; 574 575 ch->blksz = blocksize; 576 return ch->blksz; 577 } 578 579 static int 580 esschan_trigger(kobj_t obj, void *data, int go) 581 { 582 struct ess_chinfo *ch = data; 583 struct ess_info *sc = ch->parent; 584 585 DEB(printf("esschan_trigger: %d\n",go)); 586 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 587 return 0; 588 589 ess_lock(sc); 590 switch (go) { 591 case PCMTRIG_START: 592 ess_dmasetup(sc, ch->hwch, sndbuf_getbufaddr(ch->buffer), sndbuf_getsize(ch->buffer), ch->dir); 593 ess_dmatrigger(sc, ch->hwch, 1); 594 ess_start(ch); 595 break; 596 597 case PCMTRIG_STOP: 598 case PCMTRIG_ABORT: 599 default: 600 ess_stop(ch); 601 break; 602 } 603 ess_unlock(sc); 604 return 0; 605 } 606 607 static int 608 esschan_getptr(kobj_t obj, void *data) 609 { 610 struct ess_chinfo *ch = data; 611 struct ess_info *sc = ch->parent; 612 int ret; 613 614 ess_lock(sc); 615 ret = ess_dmapos(sc, ch->hwch); 616 ess_unlock(sc); 617 return ret; 618 } 619 620 static struct pcmchan_caps * 621 esschan_getcaps(kobj_t obj, void *data) 622 { 623 struct ess_chinfo *ch = data; 624 625 return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps; 626 } 627 628 static kobj_method_t esschan_methods[] = { 629 KOBJMETHOD(channel_init, esschan_init), 630 KOBJMETHOD(channel_setformat, esschan_setformat), 631 KOBJMETHOD(channel_setspeed, esschan_setspeed), 632 KOBJMETHOD(channel_setblocksize, esschan_setblocksize), 633 KOBJMETHOD(channel_trigger, esschan_trigger), 634 KOBJMETHOD(channel_getptr, esschan_getptr), 635 KOBJMETHOD(channel_getcaps, esschan_getcaps), 636 { 0, 0 } 637 }; 638 CHANNEL_DECLARE(esschan); 639 640 /************************************************************/ 641 642 static int 643 essmix_init(struct snd_mixer *m) 644 { 645 struct ess_info *sc = mix_getdevinfo(m); 646 647 mix_setrecdevs(m, SOUND_MASK_CD | SOUND_MASK_MIC | SOUND_MASK_LINE | 648 SOUND_MASK_IMIX); 649 650 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | 651 SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME | 652 SOUND_MASK_LINE1); 653 654 ess_setmixer(sc, 0, 0); /* reset */ 655 656 return 0; 657 } 658 659 static int 660 essmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) 661 { 662 struct ess_info *sc = mix_getdevinfo(m); 663 int preg = 0, rreg = 0, l, r; 664 665 l = (left * 15) / 100; 666 r = (right * 15) / 100; 667 switch (dev) { 668 case SOUND_MIXER_SYNTH: 669 preg = 0x36; 670 rreg = 0x6b; 671 break; 672 673 case SOUND_MIXER_PCM: 674 preg = 0x14; 675 rreg = 0x7c; 676 break; 677 678 case SOUND_MIXER_LINE: 679 preg = 0x3e; 680 rreg = 0x6e; 681 break; 682 683 case SOUND_MIXER_MIC: 684 preg = 0x1a; 685 rreg = 0x68; 686 break; 687 688 case SOUND_MIXER_LINE1: 689 preg = 0x3a; 690 rreg = 0x6c; 691 break; 692 693 case SOUND_MIXER_CD: 694 preg = 0x38; 695 rreg = 0x6a; 696 break; 697 698 case SOUND_MIXER_VOLUME: 699 l = left? (left * 63) / 100 : 64; 700 r = right? (right * 63) / 100 : 64; 701 ess_setmixer(sc, 0x60, l); 702 ess_setmixer(sc, 0x62, r); 703 left = (l == 64)? 0 : (l * 100) / 63; 704 right = (r == 64)? 0 : (r * 100) / 63; 705 return left | (right << 8); 706 } 707 708 if (preg) 709 ess_setmixer(sc, preg, (l << 4) | r); 710 if (rreg) 711 ess_setmixer(sc, rreg, (l << 4) | r); 712 713 left = (l * 100) / 15; 714 right = (r * 100) / 15; 715 716 return left | (right << 8); 717 } 718 719 static int 720 essmix_setrecsrc(struct snd_mixer *m, u_int32_t src) 721 { 722 struct ess_info *sc = mix_getdevinfo(m); 723 u_char recdev; 724 725 switch (src) { 726 case SOUND_MASK_CD: 727 recdev = 0x02; 728 break; 729 730 case SOUND_MASK_LINE: 731 recdev = 0x06; 732 break; 733 734 case SOUND_MASK_IMIX: 735 recdev = 0x05; 736 break; 737 738 case SOUND_MASK_MIC: 739 default: 740 recdev = 0x00; 741 src = SOUND_MASK_MIC; 742 break; 743 } 744 745 ess_setmixer(sc, 0x1c, recdev); 746 747 return src; 748 } 749 750 static kobj_method_t solomixer_methods[] = { 751 KOBJMETHOD(mixer_init, essmix_init), 752 KOBJMETHOD(mixer_set, essmix_set), 753 KOBJMETHOD(mixer_setrecsrc, essmix_setrecsrc), 754 { 0, 0 } 755 }; 756 MIXER_DECLARE(solomixer); 757 758 /************************************************************/ 759 760 static int 761 ess_dmasetup(struct ess_info *sc, int ch, u_int32_t base, u_int16_t cnt, int dir) 762 { 763 KASSERT(ch == 1 || ch == 2, ("bad ch")); 764 sc->dmasz[ch - 1] = cnt; 765 if (ch == 1) { 766 port_wr(sc->vc, 0x8, 0xc4, 1); /* command */ 767 port_wr(sc->vc, 0xd, 0xff, 1); /* reset */ 768 port_wr(sc->vc, 0xf, 0x01, 1); /* mask */ 769 port_wr(sc->vc, 0xb, dir == PCMDIR_PLAY? 0x58 : 0x54, 1); /* mode */ 770 port_wr(sc->vc, 0x0, base, 4); 771 port_wr(sc->vc, 0x4, cnt - 1, 2); 772 773 } else if (ch == 2) { 774 port_wr(sc->io, 0x6, 0x08, 1); /* autoinit */ 775 port_wr(sc->io, 0x0, base, 4); 776 port_wr(sc->io, 0x4, cnt, 2); 777 } 778 return 0; 779 } 780 781 static int 782 ess_dmapos(struct ess_info *sc, int ch) 783 { 784 int p = 0, i = 0, j = 0; 785 786 KASSERT(ch == 1 || ch == 2, ("bad ch")); 787 if (ch == 1) { 788 789 /* 790 * During recording, this register is known to give back 791 * garbage if it's not quiescent while being read. That's 792 * why we spl, stop the DMA, and try over and over until 793 * adjacent reads are "close", in the right order and not 794 * bigger than is otherwise possible. 795 */ 796 ess_dmatrigger(sc, ch, 0); 797 DELAY(20); 798 do { 799 DELAY(10); 800 if (j > 1) 801 printf("DMA count reg bogus: %04x & %04x\n", 802 i, p); 803 i = port_rd(sc->vc, 0x4, 2) + 1; 804 p = port_rd(sc->vc, 0x4, 2) + 1; 805 } while ((p > sc->dmasz[ch - 1] || i < p || (p - i) > 0x8) && j++ < 1000); 806 ess_dmatrigger(sc, ch, 1); 807 } 808 else if (ch == 2) 809 p = port_rd(sc->io, 0x4, 2); 810 return sc->dmasz[ch - 1] - p; 811 } 812 813 static int 814 ess_dmatrigger(struct ess_info *sc, int ch, int go) 815 { 816 KASSERT(ch == 1 || ch == 2, ("bad ch")); 817 if (ch == 1) 818 port_wr(sc->vc, 0xf, go? 0x00 : 0x01, 1); /* mask */ 819 else if (ch == 2) 820 port_wr(sc->io, 0x6, 0x08 | (go? 0x02 : 0x00), 1); /* autoinit */ 821 return 0; 822 } 823 824 static void 825 ess_release_resources(struct ess_info *sc, device_t dev) 826 { 827 if (sc->irq) { 828 if (sc->ih) 829 bus_teardown_intr(dev, sc->irq, sc->ih); 830 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq); 831 sc->irq = 0; 832 } 833 if (sc->io) { 834 bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->io); 835 sc->io = 0; 836 } 837 838 if (sc->sb) { 839 bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(1), sc->sb); 840 sc->sb = 0; 841 } 842 843 if (sc->vc) { 844 bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(2), sc->vc); 845 sc->vc = 0; 846 } 847 848 if (sc->mpu) { 849 bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(3), sc->mpu); 850 sc->mpu = 0; 851 } 852 853 if (sc->gp) { 854 bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(4), sc->gp); 855 sc->gp = 0; 856 } 857 858 if (sc->parent_dmat) { 859 bus_dma_tag_destroy(sc->parent_dmat); 860 sc->parent_dmat = 0; 861 } 862 863 #if ESS18XX_MPSAFE == 1 864 if (sc->lock) { 865 snd_mtxfree(sc->lock); 866 sc->lock = NULL; 867 } 868 #endif 869 870 free(sc, M_DEVBUF); 871 } 872 873 static int 874 ess_alloc_resources(struct ess_info *sc, device_t dev) 875 { 876 int rid; 877 878 rid = PCIR_BAR(0); 879 sc->io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 880 881 rid = PCIR_BAR(1); 882 sc->sb = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 883 884 rid = PCIR_BAR(2); 885 sc->vc = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 886 887 rid = PCIR_BAR(3); 888 sc->mpu = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 889 890 rid = PCIR_BAR(4); 891 sc->gp = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 892 893 rid = 0; 894 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 895 RF_ACTIVE | RF_SHAREABLE); 896 897 #if ESS18XX_MPSAFE == 1 898 sc->lock = snd_mtxcreate(device_get_nameunit(dev), "sound softc"); 899 900 return (sc->irq && sc->io && sc->sb && sc->vc && 901 sc->mpu && sc->gp && sc->lock)? 0 : ENXIO; 902 #else 903 return (sc->irq && sc->io && sc->sb && sc->vc && sc->mpu && sc->gp)? 0 : ENXIO; 904 #endif 905 } 906 907 static int 908 ess_probe(device_t dev) 909 { 910 char *s = NULL; 911 u_int32_t subdev; 912 913 subdev = (pci_get_subdevice(dev) << 16) | pci_get_subvendor(dev); 914 switch (pci_get_devid(dev)) { 915 case 0x1969125d: 916 if (subdev == 0x8888125d) 917 s = "ESS Solo-1E"; 918 else if (subdev == 0x1818125d) 919 s = "ESS Solo-1"; 920 else 921 s = "ESS Solo-1 (unknown vendor)"; 922 break; 923 } 924 925 if (s) 926 device_set_desc(dev, s); 927 return s ? BUS_PROBE_DEFAULT : ENXIO; 928 } 929 930 #define ESS_PCI_LEGACYCONTROL 0x40 931 #define ESS_PCI_CONFIG 0x50 932 #define ESS_PCI_DDMACONTROL 0x60 933 934 static int 935 ess_suspend(device_t dev) 936 { 937 return 0; 938 } 939 940 static int 941 ess_resume(device_t dev) 942 { 943 uint16_t ddma; 944 uint32_t data; 945 struct ess_info *sc = pcm_getdevinfo(dev); 946 947 ess_lock(sc); 948 data = pci_read_config(dev, PCIR_COMMAND, 2); 949 data |= PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN; 950 pci_write_config(dev, PCIR_COMMAND, data, 2); 951 data = pci_read_config(dev, PCIR_COMMAND, 2); 952 953 ddma = rman_get_start(sc->vc) | 1; 954 pci_write_config(dev, ESS_PCI_LEGACYCONTROL, 0x805f, 2); 955 pci_write_config(dev, ESS_PCI_DDMACONTROL, ddma, 2); 956 pci_write_config(dev, ESS_PCI_CONFIG, 0, 2); 957 958 if (ess_reset_dsp(sc)) { 959 ess_unlock(sc); 960 goto no; 961 } 962 ess_unlock(sc); 963 if (mixer_reinit(dev)) 964 goto no; 965 ess_lock(sc); 966 if (sc->newspeed) 967 ess_setmixer(sc, 0x71, 0x2a); 968 969 port_wr(sc->io, 0x7, 0xb0, 1); /* enable irqs */ 970 ess_unlock(sc); 971 972 return 0; 973 no: 974 return EIO; 975 } 976 977 static int 978 ess_attach(device_t dev) 979 { 980 struct ess_info *sc; 981 char status[SND_STATUSLEN]; 982 u_int16_t ddma; 983 u_int32_t data; 984 985 sc = (struct ess_info *)malloc(sizeof *sc, M_DEVBUF, M_NOWAIT | M_ZERO); 986 if (!sc) 987 return ENXIO; 988 989 data = pci_read_config(dev, PCIR_COMMAND, 2); 990 data |= PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN; 991 pci_write_config(dev, PCIR_COMMAND, data, 2); 992 data = pci_read_config(dev, PCIR_COMMAND, 2); 993 994 if (ess_alloc_resources(sc, dev)) 995 goto no; 996 997 sc->bufsz = pcm_getbuffersize(dev, 4096, SOLO_DEFAULT_BUFSZ, 65536); 998 999 ddma = rman_get_start(sc->vc) | 1; 1000 pci_write_config(dev, ESS_PCI_LEGACYCONTROL, 0x805f, 2); 1001 pci_write_config(dev, ESS_PCI_DDMACONTROL, ddma, 2); 1002 pci_write_config(dev, ESS_PCI_CONFIG, 0, 2); 1003 1004 port_wr(sc->io, 0x7, 0xb0, 1); /* enable irqs */ 1005 #ifdef ESS18XX_DUPLEX 1006 sc->duplex = 1; 1007 #else 1008 sc->duplex = 0; 1009 #endif 1010 1011 #ifdef ESS18XX_NEWSPEED 1012 sc->newspeed = 1; 1013 #else 1014 sc->newspeed = 0; 1015 #endif 1016 if (snd_setup_intr(dev, sc->irq, 1017 #if ESS18XX_MPSAFE == 1 1018 INTR_MPSAFE 1019 #else 1020 0 1021 #endif 1022 , ess_intr, sc, &sc->ih)) { 1023 device_printf(dev, "unable to map interrupt\n"); 1024 goto no; 1025 } 1026 1027 if (!sc->duplex) 1028 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 1029 1030 #if 0 1031 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/65536, /*boundary*/0, 1032 #endif 1033 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, 1034 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 1035 /*highaddr*/BUS_SPACE_MAXADDR, 1036 /*filter*/NULL, /*filterarg*/NULL, 1037 /*maxsize*/sc->bufsz, /*nsegments*/1, 1038 /*maxsegz*/0x3ffff, 1039 /*flags*/0, 1040 #if ESS18XX_MPSAFE == 1 1041 /*lockfunc*/NULL, /*lockarg*/NULL, 1042 #else 1043 /*lockfunc*/busdma_lock_mutex, /*lockarg*/&Giant, 1044 #endif 1045 &sc->parent_dmat) != 0) { 1046 device_printf(dev, "unable to create dma tag\n"); 1047 goto no; 1048 } 1049 1050 if (ess_reset_dsp(sc)) 1051 goto no; 1052 1053 if (sc->newspeed) 1054 ess_setmixer(sc, 0x71, 0x2a); 1055 1056 if (mixer_init(dev, &solomixer_class, sc)) 1057 goto no; 1058 1059 snprintf(status, SND_STATUSLEN, "at io 0x%lx,0x%lx,0x%lx irq %ld %s", 1060 rman_get_start(sc->io), rman_get_start(sc->sb), rman_get_start(sc->vc), 1061 rman_get_start(sc->irq),PCM_KLDSTRING(snd_solo)); 1062 1063 if (pcm_register(dev, sc, 1, 1)) 1064 goto no; 1065 pcm_addchan(dev, PCMDIR_REC, &esschan_class, sc); 1066 pcm_addchan(dev, PCMDIR_PLAY, &esschan_class, sc); 1067 pcm_setstatus(dev, status); 1068 1069 return 0; 1070 1071 no: 1072 ess_release_resources(sc, dev); 1073 return ENXIO; 1074 } 1075 1076 static int 1077 ess_detach(device_t dev) 1078 { 1079 int r; 1080 struct ess_info *sc; 1081 1082 r = pcm_unregister(dev); 1083 if (r) 1084 return r; 1085 1086 sc = pcm_getdevinfo(dev); 1087 ess_release_resources(sc, dev); 1088 return 0; 1089 } 1090 1091 static device_method_t ess_methods[] = { 1092 /* Device interface */ 1093 DEVMETHOD(device_probe, ess_probe), 1094 DEVMETHOD(device_attach, ess_attach), 1095 DEVMETHOD(device_detach, ess_detach), 1096 DEVMETHOD(device_resume, ess_resume), 1097 DEVMETHOD(device_suspend, ess_suspend), 1098 1099 { 0, 0 } 1100 }; 1101 1102 static driver_t ess_driver = { 1103 "pcm", 1104 ess_methods, 1105 PCM_SOFTC_SIZE, 1106 }; 1107 1108 DRIVER_MODULE(snd_solo, pci, ess_driver, pcm_devclass, 0, 0); 1109 MODULE_DEPEND(snd_solo, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 1110 MODULE_VERSION(snd_solo, 1); 1111 1112 1113 1114