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FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/isa/ess.c
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1 /*- 2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org> 3 * Copyright 1997,1998 Luigi Rizzo. 4 * 5 * Derived from files in the Voxware 3.5 distribution, 6 * Copyright by Hannu Savolainen 1994, under the same copyright 7 * conditions. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <dev/sound/pcm/sound.h> 33 34 #include <dev/sound/isa/sb.h> 35 #include <dev/sound/chip.h> 36 37 #include <isa/isavar.h> 38 39 #include "mixer_if.h" 40 41 SND_DECLARE_FILE("$FreeBSD: releng/6.2/sys/dev/sound/isa/ess.c 154545 2006-01-19 01:17:00Z ariff $"); 42 43 #define ESS_BUFFSIZE (4096) 44 #define ABS(x) (((x) < 0)? -(x) : (x)) 45 46 /* audio2 never generates irqs and sounds very noisy */ 47 #undef ESS18XX_DUPLEX 48 49 /* more accurate clocks and split audio1/audio2 rates */ 50 #define ESS18XX_NEWSPEED 51 52 static u_int32_t ess_pfmt[] = { 53 AFMT_U8, 54 AFMT_STEREO | AFMT_U8, 55 AFMT_S8, 56 AFMT_STEREO | AFMT_S8, 57 AFMT_S16_LE, 58 AFMT_STEREO | AFMT_S16_LE, 59 AFMT_U16_LE, 60 AFMT_STEREO | AFMT_U16_LE, 61 0 62 }; 63 64 static struct pcmchan_caps ess_playcaps = {6000, 48000, ess_pfmt, 0}; 65 66 static u_int32_t ess_rfmt[] = { 67 AFMT_U8, 68 AFMT_STEREO | AFMT_U8, 69 AFMT_S8, 70 AFMT_STEREO | AFMT_S8, 71 AFMT_S16_LE, 72 AFMT_STEREO | AFMT_S16_LE, 73 AFMT_U16_LE, 74 AFMT_STEREO | AFMT_U16_LE, 75 0 76 }; 77 78 static struct pcmchan_caps ess_reccaps = {6000, 48000, ess_rfmt, 0}; 79 80 struct ess_info; 81 82 struct ess_chinfo { 83 struct ess_info *parent; 84 struct pcm_channel *channel; 85 struct snd_dbuf *buffer; 86 int dir, hwch, stopping, run; 87 u_int32_t fmt, spd, blksz; 88 }; 89 90 struct ess_info { 91 device_t parent_dev; 92 struct resource *io_base; /* I/O address for the board */ 93 struct resource *irq; 94 struct resource *drq1; 95 struct resource *drq2; 96 void *ih; 97 bus_dma_tag_t parent_dmat; 98 99 unsigned int bufsize; 100 int type, duplex:1, newspeed:1; 101 u_long bd_flags; /* board-specific flags */ 102 struct ess_chinfo pch, rch; 103 }; 104 105 #if 0 106 static int ess_rd(struct ess_info *sc, int reg); 107 static void ess_wr(struct ess_info *sc, int reg, u_int8_t val); 108 static int ess_dspready(struct ess_info *sc); 109 static int ess_cmd(struct ess_info *sc, u_char val); 110 static int ess_cmd1(struct ess_info *sc, u_char cmd, int val); 111 static int ess_get_byte(struct ess_info *sc); 112 static void ess_setmixer(struct ess_info *sc, u_int port, u_int value); 113 static int ess_getmixer(struct ess_info *sc, u_int port); 114 static int ess_reset_dsp(struct ess_info *sc); 115 116 static int ess_write(struct ess_info *sc, u_char reg, int val); 117 static int ess_read(struct ess_info *sc, u_char reg); 118 119 static void ess_intr(void *arg); 120 static int ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len); 121 static int ess_start(struct ess_chinfo *ch); 122 static int ess_stop(struct ess_chinfo *ch); 123 #endif 124 125 /* 126 * Common code for the midi and pcm functions 127 * 128 * ess_cmd write a single byte to the CMD port. 129 * ess_cmd1 write a CMD + 1 byte arg 130 * ess_cmd2 write a CMD + 2 byte arg 131 * ess_get_byte returns a single byte from the DSP data port 132 * 133 * ess_write is actually ess_cmd1 134 * ess_read access ext. regs via ess_cmd(0xc0, reg) followed by ess_get_byte 135 */ 136 137 static void 138 ess_lock(struct ess_info *sc) { 139 140 sbc_lock(device_get_softc(sc->parent_dev)); 141 } 142 143 static void 144 ess_unlock(struct ess_info *sc) { 145 146 sbc_unlock(device_get_softc(sc->parent_dev)); 147 } 148 149 static int 150 port_rd(struct resource *port, int off) 151 { 152 return bus_space_read_1(rman_get_bustag(port), 153 rman_get_bushandle(port), 154 off); 155 } 156 157 static void 158 port_wr(struct resource *port, int off, u_int8_t data) 159 { 160 bus_space_write_1(rman_get_bustag(port), 161 rman_get_bushandle(port), 162 off, data); 163 } 164 165 static int 166 ess_rd(struct ess_info *sc, int reg) 167 { 168 return port_rd(sc->io_base, reg); 169 } 170 171 static void 172 ess_wr(struct ess_info *sc, int reg, u_int8_t val) 173 { 174 port_wr(sc->io_base, reg, val); 175 } 176 177 static int 178 ess_dspready(struct ess_info *sc) 179 { 180 return ((ess_rd(sc, SBDSP_STATUS) & 0x80) == 0); 181 } 182 183 static int 184 ess_dspwr(struct ess_info *sc, u_char val) 185 { 186 int i; 187 188 for (i = 0; i < 1000; i++) { 189 if (ess_dspready(sc)) { 190 ess_wr(sc, SBDSP_CMD, val); 191 return 1; 192 } 193 if (i > 10) DELAY((i > 100)? 1000 : 10); 194 } 195 printf("ess_dspwr(0x%02x) timed out.\n", val); 196 return 0; 197 } 198 199 static int 200 ess_cmd(struct ess_info *sc, u_char val) 201 { 202 #if 0 203 printf("ess_cmd: %x\n", val); 204 #endif 205 return ess_dspwr(sc, val); 206 } 207 208 static int 209 ess_cmd1(struct ess_info *sc, u_char cmd, int val) 210 { 211 #if 0 212 printf("ess_cmd1: %x, %x\n", cmd, val); 213 #endif 214 if (ess_dspwr(sc, cmd)) { 215 return ess_dspwr(sc, val & 0xff); 216 } else return 0; 217 } 218 219 static void 220 ess_setmixer(struct ess_info *sc, u_int port, u_int value) 221 { 222 DEB(printf("ess_setmixer: reg=%x, val=%x\n", port, value);) 223 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 224 DELAY(10); 225 ess_wr(sc, SB_MIX_DATA, (u_char) (value & 0xff)); 226 DELAY(10); 227 } 228 229 static int 230 ess_getmixer(struct ess_info *sc, u_int port) 231 { 232 int val; 233 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 234 DELAY(10); 235 val = ess_rd(sc, SB_MIX_DATA); 236 DELAY(10); 237 238 return val; 239 } 240 241 static int 242 ess_get_byte(struct ess_info *sc) 243 { 244 int i; 245 246 for (i = 1000; i > 0; i--) { 247 if (ess_rd(sc, DSP_DATA_AVAIL) & 0x80) 248 return ess_rd(sc, DSP_READ); 249 else 250 DELAY(20); 251 } 252 return -1; 253 } 254 255 static int 256 ess_write(struct ess_info *sc, u_char reg, int val) 257 { 258 return ess_cmd1(sc, reg, val); 259 } 260 261 static int 262 ess_read(struct ess_info *sc, u_char reg) 263 { 264 return (ess_cmd(sc, 0xc0) && ess_cmd(sc, reg))? ess_get_byte(sc) : -1; 265 } 266 267 static int 268 ess_reset_dsp(struct ess_info *sc) 269 { 270 ess_wr(sc, SBDSP_RST, 3); 271 DELAY(100); 272 ess_wr(sc, SBDSP_RST, 0); 273 if (ess_get_byte(sc) != 0xAA) { 274 DEB(printf("ess_reset_dsp 0x%lx failed\n", 275 rman_get_start(sc->io_base))); 276 return ENXIO; /* Sorry */ 277 } 278 ess_cmd(sc, 0xc6); 279 return 0; 280 } 281 282 static void 283 ess_release_resources(struct ess_info *sc, device_t dev) 284 { 285 if (sc->irq) { 286 if (sc->ih) 287 bus_teardown_intr(dev, sc->irq, sc->ih); 288 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq); 289 sc->irq = 0; 290 } 291 if (sc->drq1) { 292 isa_dma_release(rman_get_start(sc->drq1)); 293 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->drq1); 294 sc->drq1 = 0; 295 } 296 if (sc->drq2) { 297 isa_dma_release(rman_get_start(sc->drq2)); 298 bus_release_resource(dev, SYS_RES_DRQ, 1, sc->drq2); 299 sc->drq2 = 0; 300 } 301 if (sc->io_base) { 302 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->io_base); 303 sc->io_base = 0; 304 } 305 if (sc->parent_dmat) { 306 bus_dma_tag_destroy(sc->parent_dmat); 307 sc->parent_dmat = 0; 308 } 309 free(sc, M_DEVBUF); 310 } 311 312 static int 313 ess_alloc_resources(struct ess_info *sc, device_t dev) 314 { 315 int rid; 316 317 rid = 0; 318 if (!sc->io_base) 319 sc->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 320 &rid, RF_ACTIVE); 321 rid = 0; 322 if (!sc->irq) 323 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 324 &rid, RF_ACTIVE); 325 rid = 0; 326 if (!sc->drq1) 327 sc->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ, 328 &rid, RF_ACTIVE); 329 rid = 1; 330 if (!sc->drq2) 331 sc->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ, 332 &rid, RF_ACTIVE); 333 334 if (sc->io_base && sc->drq1 && sc->irq) { 335 isa_dma_acquire(rman_get_start(sc->drq1)); 336 isa_dmainit(rman_get_start(sc->drq1), sc->bufsize); 337 338 if (sc->drq2) { 339 isa_dma_acquire(rman_get_start(sc->drq2)); 340 isa_dmainit(rman_get_start(sc->drq2), sc->bufsize); 341 } 342 343 return 0; 344 } else return ENXIO; 345 } 346 347 static void 348 ess_intr(void *arg) 349 { 350 struct ess_info *sc = (struct ess_info *)arg; 351 int src, pirq, rirq; 352 353 ess_lock(sc); 354 src = 0; 355 if (ess_getmixer(sc, 0x7a) & 0x80) 356 src |= 2; 357 if (ess_rd(sc, 0x0c) & 0x01) 358 src |= 1; 359 360 pirq = (src & sc->pch.hwch)? 1 : 0; 361 rirq = (src & sc->rch.hwch)? 1 : 0; 362 363 if (pirq) { 364 if (sc->pch.run) { 365 ess_unlock(sc); 366 chn_intr(sc->pch.channel); 367 ess_lock(sc); 368 } 369 if (sc->pch.stopping) { 370 sc->pch.run = 0; 371 sndbuf_dma(sc->pch.buffer, PCMTRIG_STOP); 372 sc->pch.stopping = 0; 373 if (sc->pch.hwch == 1) 374 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01); 375 else 376 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x03); 377 } 378 } 379 380 if (rirq) { 381 if (sc->rch.run) { 382 ess_unlock(sc); 383 chn_intr(sc->rch.channel); 384 ess_lock(sc); 385 } 386 if (sc->rch.stopping) { 387 sc->rch.run = 0; 388 sndbuf_dma(sc->rch.buffer, PCMTRIG_STOP); 389 sc->rch.stopping = 0; 390 /* XXX: will this stop audio2? */ 391 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01); 392 } 393 } 394 395 if (src & 2) 396 ess_setmixer(sc, 0x7a, ess_getmixer(sc, 0x7a) & ~0x80); 397 if (src & 1) 398 ess_rd(sc, DSP_DATA_AVAIL); 399 ess_unlock(sc); 400 } 401 402 /* utility functions for ESS */ 403 static u_int8_t 404 ess_calcspeed8(int *spd) 405 { 406 int speed = *spd; 407 u_int32_t t; 408 409 if (speed > 22000) { 410 t = (795500 + speed / 2) / speed; 411 speed = (795500 + t / 2) / t; 412 t = (256 - t) | 0x80; 413 } else { 414 t = (397700 + speed / 2) / speed; 415 speed = (397700 + t / 2) / t; 416 t = 128 - t; 417 } 418 *spd = speed; 419 return t & 0x000000ff; 420 } 421 422 static u_int8_t 423 ess_calcspeed9(int *spd) 424 { 425 int speed, s0, s1, use0; 426 u_int8_t t0, t1; 427 428 /* rate = source / (256 - divisor) */ 429 /* divisor = 256 - (source / rate) */ 430 speed = *spd; 431 t0 = 128 - (793800 / speed); 432 s0 = 793800 / (128 - t0); 433 434 t1 = 128 - (768000 / speed); 435 s1 = 768000 / (128 - t1); 436 t1 |= 0x80; 437 438 use0 = (ABS(speed - s0) < ABS(speed - s1))? 1 : 0; 439 440 *spd = use0? s0 : s1; 441 return use0? t0 : t1; 442 } 443 444 static u_int8_t 445 ess_calcfilter(int spd) 446 { 447 int cutoff; 448 449 /* cutoff = 7160000 / (256 - divisor) */ 450 /* divisor = 256 - (7160000 / cutoff) */ 451 cutoff = (spd * 9 * 82) / 20; 452 return (256 - (7160000 / cutoff)); 453 } 454 455 static int 456 ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len) 457 { 458 int play = (dir == PCMDIR_PLAY)? 1 : 0; 459 int b16 = (fmt & AFMT_16BIT)? 1 : 0; 460 int stereo = (fmt & AFMT_STEREO)? 1 : 0; 461 int unsign = (fmt == AFMT_U8 || fmt == AFMT_U16_LE)? 1 : 0; 462 u_int8_t spdval, fmtval; 463 464 465 spdval = (sc->newspeed)? ess_calcspeed9(&spd) : ess_calcspeed8(&spd); 466 len = -len; 467 468 if (ch == 1) { 469 KASSERT((dir == PCMDIR_PLAY) || (dir == PCMDIR_REC), ("ess_setupch: dir1 bad")); 470 /* transfer length low */ 471 ess_write(sc, 0xa4, len & 0x00ff); 472 /* transfer length high */ 473 ess_write(sc, 0xa5, (len & 0xff00) >> 8); 474 /* autoinit, dma dir */ 475 ess_write(sc, 0xb8, 0x04 | (play? 0x00 : 0x0a)); 476 /* mono/stereo */ 477 ess_write(sc, 0xa8, (ess_read(sc, 0xa8) & ~0x03) | (stereo? 0x01 : 0x02)); 478 /* demand mode, 4 bytes/xfer */ 479 ess_write(sc, 0xb9, 0x02); 480 /* sample rate */ 481 ess_write(sc, 0xa1, spdval); 482 /* filter cutoff */ 483 ess_write(sc, 0xa2, ess_calcfilter(spd)); 484 /* setup dac/adc */ 485 if (play) 486 ess_write(sc, 0xb6, unsign? 0x80 : 0x00); 487 /* mono, b16: signed, load signal */ 488 ess_write(sc, 0xb7, 0x51 | (unsign? 0x00 : 0x20)); 489 /* setup fifo */ 490 ess_write(sc, 0xb7, 0x90 | (unsign? 0x00 : 0x20) | 491 (b16? 0x04 : 0x00) | 492 (stereo? 0x08 : 0x40)); 493 /* irq control */ 494 ess_write(sc, 0xb1, (ess_read(sc, 0xb1) & 0x0f) | 0x50); 495 /* drq control */ 496 ess_write(sc, 0xb2, (ess_read(sc, 0xb2) & 0x0f) | 0x50); 497 } else if (ch == 2) { 498 KASSERT(dir == PCMDIR_PLAY, ("ess_setupch: dir2 bad")); 499 /* transfer length low */ 500 ess_setmixer(sc, 0x74, len & 0x00ff); 501 /* transfer length high */ 502 ess_setmixer(sc, 0x76, (len & 0xff00) >> 8); 503 /* autoinit, 4 bytes/req */ 504 ess_setmixer(sc, 0x78, 0x90); 505 fmtval = b16 | (stereo << 1) | (unsign << 2); 506 /* enable irq, set format */ 507 ess_setmixer(sc, 0x7a, 0x40 | fmtval); 508 if (sc->newspeed) { 509 /* sample rate */ 510 ess_setmixer(sc, 0x70, spdval); 511 /* filter cutoff */ 512 ess_setmixer(sc, 0x72, ess_calcfilter(spd)); 513 } 514 } 515 516 return 0; 517 } 518 static int 519 ess_start(struct ess_chinfo *ch) 520 { 521 struct ess_info *sc = ch->parent; 522 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 523 524 ess_lock(sc); 525 ess_setupch(sc, ch->hwch, ch->dir, ch->spd, ch->fmt, ch->blksz); 526 ch->stopping = 0; 527 if (ch->hwch == 1) 528 ess_write(sc, 0xb8, ess_read(sc, 0xb8) | 0x01); 529 else 530 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) | 0x03); 531 if (play) 532 ess_cmd(sc, DSP_CMD_SPKON); 533 ess_unlock(sc); 534 return 0; 535 } 536 537 static int 538 ess_stop(struct ess_chinfo *ch) 539 { 540 struct ess_info *sc = ch->parent; 541 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 542 543 ess_lock(sc); 544 ch->stopping = 1; 545 if (ch->hwch == 1) 546 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x04); 547 else 548 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x10); 549 if (play) 550 ess_cmd(sc, DSP_CMD_SPKOFF); 551 ess_unlock(sc); 552 return 0; 553 } 554 555 /* -------------------------------------------------------------------- */ 556 /* channel interface for ESS18xx */ 557 static void * 558 esschan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 559 { 560 struct ess_info *sc = devinfo; 561 struct ess_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch; 562 563 ch->parent = sc; 564 ch->channel = c; 565 ch->buffer = b; 566 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, sc->bufsize) != 0) 567 return NULL; 568 ch->dir = dir; 569 ch->hwch = 1; 570 if ((dir == PCMDIR_PLAY) && (sc->duplex)) 571 ch->hwch = 2; 572 sndbuf_dmasetup(ch->buffer, (ch->hwch == 1)? sc->drq1 : sc->drq2); 573 return ch; 574 } 575 576 static int 577 esschan_setformat(kobj_t obj, void *data, u_int32_t format) 578 { 579 struct ess_chinfo *ch = data; 580 581 ch->fmt = format; 582 return 0; 583 } 584 585 static int 586 esschan_setspeed(kobj_t obj, void *data, u_int32_t speed) 587 { 588 struct ess_chinfo *ch = data; 589 struct ess_info *sc = ch->parent; 590 591 ch->spd = speed; 592 if (sc->newspeed) 593 ess_calcspeed9(&ch->spd); 594 else 595 ess_calcspeed8(&ch->spd); 596 return ch->spd; 597 } 598 599 static int 600 esschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 601 { 602 struct ess_chinfo *ch = data; 603 604 ch->blksz = blocksize; 605 return ch->blksz; 606 } 607 608 static int 609 esschan_trigger(kobj_t obj, void *data, int go) 610 { 611 struct ess_chinfo *ch = data; 612 613 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 614 return 0; 615 616 switch (go) { 617 case PCMTRIG_START: 618 ch->run = 1; 619 sndbuf_dma(ch->buffer, go); 620 ess_start(ch); 621 break; 622 623 case PCMTRIG_STOP: 624 case PCMTRIG_ABORT: 625 default: 626 ess_stop(ch); 627 break; 628 } 629 return 0; 630 } 631 632 static int 633 esschan_getptr(kobj_t obj, void *data) 634 { 635 struct ess_chinfo *ch = data; 636 637 return sndbuf_dmaptr(ch->buffer); 638 } 639 640 static struct pcmchan_caps * 641 esschan_getcaps(kobj_t obj, void *data) 642 { 643 struct ess_chinfo *ch = data; 644 645 return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps; 646 } 647 648 static kobj_method_t esschan_methods[] = { 649 KOBJMETHOD(channel_init, esschan_init), 650 KOBJMETHOD(channel_setformat, esschan_setformat), 651 KOBJMETHOD(channel_setspeed, esschan_setspeed), 652 KOBJMETHOD(channel_setblocksize, esschan_setblocksize), 653 KOBJMETHOD(channel_trigger, esschan_trigger), 654 KOBJMETHOD(channel_getptr, esschan_getptr), 655 KOBJMETHOD(channel_getcaps, esschan_getcaps), 656 { 0, 0 } 657 }; 658 CHANNEL_DECLARE(esschan); 659 660 /************************************************************/ 661 662 static int 663 essmix_init(struct snd_mixer *m) 664 { 665 struct ess_info *sc = mix_getdevinfo(m); 666 667 mix_setrecdevs(m, SOUND_MASK_CD | SOUND_MASK_MIC | SOUND_MASK_LINE | 668 SOUND_MASK_IMIX); 669 670 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | 671 SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME | 672 SOUND_MASK_LINE1 | SOUND_MASK_SPEAKER); 673 674 ess_setmixer(sc, 0, 0); /* reset */ 675 676 return 0; 677 } 678 679 static int 680 essmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) 681 { 682 struct ess_info *sc = mix_getdevinfo(m); 683 int preg = 0, rreg = 0, l, r; 684 685 l = (left * 15) / 100; 686 r = (right * 15) / 100; 687 switch (dev) { 688 case SOUND_MIXER_SYNTH: 689 preg = 0x36; 690 rreg = 0x6b; 691 break; 692 693 case SOUND_MIXER_PCM: 694 preg = 0x14; 695 rreg = 0x7c; 696 break; 697 698 case SOUND_MIXER_LINE: 699 preg = 0x3e; 700 rreg = 0x6e; 701 break; 702 703 case SOUND_MIXER_MIC: 704 preg = 0x1a; 705 rreg = 0x68; 706 break; 707 708 case SOUND_MIXER_LINE1: 709 preg = 0x3a; 710 rreg = 0x6c; 711 break; 712 713 case SOUND_MIXER_CD: 714 preg = 0x38; 715 rreg = 0x6a; 716 break; 717 718 case SOUND_MIXER_SPEAKER: 719 preg = 0x3c; 720 break; 721 722 case SOUND_MIXER_VOLUME: 723 l = left? (left * 63) / 100 : 64; 724 r = right? (right * 63) / 100 : 64; 725 ess_setmixer(sc, 0x60, l); 726 ess_setmixer(sc, 0x62, r); 727 left = (l == 64)? 0 : (l * 100) / 63; 728 right = (r == 64)? 0 : (r * 100) / 63; 729 return left | (right << 8); 730 } 731 732 if (preg) 733 ess_setmixer(sc, preg, (l << 4) | r); 734 if (rreg) 735 ess_setmixer(sc, rreg, (l << 4) | r); 736 737 left = (l * 100) / 15; 738 right = (r * 100) / 15; 739 740 return left | (right << 8); 741 } 742 743 static int 744 essmix_setrecsrc(struct snd_mixer *m, u_int32_t src) 745 { 746 struct ess_info *sc = mix_getdevinfo(m); 747 u_char recdev; 748 749 switch (src) { 750 case SOUND_MASK_CD: 751 recdev = 0x02; 752 break; 753 754 case SOUND_MASK_LINE: 755 recdev = 0x06; 756 break; 757 758 case SOUND_MASK_IMIX: 759 recdev = 0x05; 760 break; 761 762 case SOUND_MASK_MIC: 763 default: 764 recdev = 0x00; 765 src = SOUND_MASK_MIC; 766 break; 767 } 768 769 ess_setmixer(sc, 0x1c, recdev); 770 771 return src; 772 } 773 774 static kobj_method_t essmixer_methods[] = { 775 KOBJMETHOD(mixer_init, essmix_init), 776 KOBJMETHOD(mixer_set, essmix_set), 777 KOBJMETHOD(mixer_setrecsrc, essmix_setrecsrc), 778 { 0, 0 } 779 }; 780 MIXER_DECLARE(essmixer); 781 782 /************************************************************/ 783 784 static int 785 ess_probe(device_t dev) 786 { 787 uintptr_t func, ver, r, f; 788 789 /* The parent device has already been probed. */ 790 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func); 791 if (func != SCF_PCM) 792 return (ENXIO); 793 794 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); 795 f = (ver & 0xffff0000) >> 16; 796 if (!(f & BD_F_ESS)) 797 return (ENXIO); 798 799 device_set_desc(dev, "ESS 18xx DSP"); 800 801 return 0; 802 } 803 804 static int 805 ess_attach(device_t dev) 806 { 807 struct ess_info *sc; 808 char status[SND_STATUSLEN], buf[64]; 809 int ver; 810 811 sc = (struct ess_info *)malloc(sizeof *sc, M_DEVBUF, M_NOWAIT | M_ZERO); 812 if (!sc) 813 return ENXIO; 814 815 sc->parent_dev = device_get_parent(dev); 816 sc->bufsize = pcm_getbuffersize(dev, 4096, ESS_BUFFSIZE, 65536); 817 if (ess_alloc_resources(sc, dev)) 818 goto no; 819 if (ess_reset_dsp(sc)) 820 goto no; 821 if (mixer_init(dev, &essmixer_class, sc)) 822 goto no; 823 824 sc->duplex = 0; 825 sc->newspeed = 0; 826 ver = (ess_getmixer(sc, 0x40) << 8) | ess_rd(sc, SB_MIX_DATA); 827 snprintf(buf, sizeof buf, "ESS %x DSP", ver); 828 device_set_desc_copy(dev, buf); 829 if (bootverbose) 830 device_printf(dev, "ESS%x detected", ver); 831 832 switch (ver) { 833 case 0x1869: 834 case 0x1879: 835 #ifdef ESS18XX_DUPLEX 836 sc->duplex = sc->drq2? 1 : 0; 837 #endif 838 #ifdef ESS18XX_NEWSPEED 839 sc->newspeed = 1; 840 #endif 841 break; 842 } 843 if (bootverbose) 844 printf("%s%s\n", sc->duplex? ", duplex" : "", 845 sc->newspeed? ", newspeed" : ""); 846 847 if (sc->newspeed) 848 ess_setmixer(sc, 0x71, 0x22); 849 850 snd_setup_intr(dev, sc->irq, 0, ess_intr, sc, &sc->ih); 851 if (!sc->duplex) 852 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 853 854 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, 855 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 856 /*highaddr*/BUS_SPACE_MAXADDR, 857 /*filter*/NULL, /*filterarg*/NULL, 858 /*maxsize*/sc->bufsize, /*nsegments*/1, 859 /*maxsegz*/0x3ffff, 860 /*flags*/0, /*lockfunc*/busdma_lock_mutex, 861 /*lockarg*/&Giant, &sc->parent_dmat) != 0) { 862 device_printf(dev, "unable to create dma tag\n"); 863 goto no; 864 } 865 866 if (sc->drq2) 867 snprintf(buf, SND_STATUSLEN, ":%ld", rman_get_start(sc->drq2)); 868 else 869 buf[0] = '\0'; 870 871 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %u %s", 872 rman_get_start(sc->io_base), rman_get_start(sc->irq), 873 rman_get_start(sc->drq1), buf, sc->bufsize, 874 PCM_KLDSTRING(snd_ess)); 875 876 if (pcm_register(dev, sc, 1, 1)) 877 goto no; 878 pcm_addchan(dev, PCMDIR_REC, &esschan_class, sc); 879 pcm_addchan(dev, PCMDIR_PLAY, &esschan_class, sc); 880 pcm_setstatus(dev, status); 881 882 return 0; 883 884 no: 885 ess_release_resources(sc, dev); 886 return ENXIO; 887 } 888 889 static int 890 ess_detach(device_t dev) 891 { 892 int r; 893 struct ess_info *sc; 894 895 r = pcm_unregister(dev); 896 if (r) 897 return r; 898 899 sc = pcm_getdevinfo(dev); 900 ess_release_resources(sc, dev); 901 return 0; 902 } 903 904 static int 905 ess_resume(device_t dev) 906 { 907 struct ess_info *sc; 908 909 sc = pcm_getdevinfo(dev); 910 911 if (ess_reset_dsp(sc)) { 912 device_printf(dev, "unable to reset DSP at resume\n"); 913 return ENXIO; 914 } 915 916 if (mixer_reinit(dev)) { 917 device_printf(dev, "unable to reinitialize mixer at resume\n"); 918 return ENXIO; 919 } 920 921 return 0; 922 } 923 924 static device_method_t ess_methods[] = { 925 /* Device interface */ 926 DEVMETHOD(device_probe, ess_probe), 927 DEVMETHOD(device_attach, ess_attach), 928 DEVMETHOD(device_detach, ess_detach), 929 DEVMETHOD(device_resume, ess_resume), 930 931 { 0, 0 } 932 }; 933 934 static driver_t ess_driver = { 935 "pcm", 936 ess_methods, 937 PCM_SOFTC_SIZE, 938 }; 939 940 DRIVER_MODULE(snd_ess, sbc, ess_driver, pcm_devclass, 0, 0); 941 MODULE_DEPEND(snd_ess, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 942 MODULE_DEPEND(snd_ess, snd_sbc, 1, 1, 1); 943 MODULE_VERSION(snd_ess, 1); 944 945 /************************************************************/ 946 947 static devclass_t esscontrol_devclass; 948 949 static struct isa_pnp_id essc_ids[] = { 950 {0x06007316, "ESS Control"}, 951 {0} 952 }; 953 954 static int 955 esscontrol_probe(device_t dev) 956 { 957 int i; 958 959 i = ISA_PNP_PROBE(device_get_parent(dev), dev, essc_ids); 960 if (i == 0) 961 device_quiet(dev); 962 return i; 963 } 964 965 static int 966 esscontrol_attach(device_t dev) 967 { 968 #ifdef notyet 969 struct resource *io; 970 int rid, i, x; 971 972 rid = 0; 973 io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 974 x = 0; 975 for (i = 0; i < 0x100; i++) { 976 port_wr(io, 0, i); 977 x = port_rd(io, 1); 978 if ((i & 0x0f) == 0) 979 printf("%3.3x: ", i); 980 printf("%2.2x ", x); 981 if ((i & 0x0f) == 0x0f) 982 printf("\n"); 983 } 984 bus_release_resource(dev, SYS_RES_IOPORT, 0, io); 985 io = NULL; 986 #endif 987 988 return 0; 989 } 990 991 static int 992 esscontrol_detach(device_t dev) 993 { 994 return 0; 995 } 996 997 static device_method_t esscontrol_methods[] = { 998 /* Device interface */ 999 DEVMETHOD(device_probe, esscontrol_probe), 1000 DEVMETHOD(device_attach, esscontrol_attach), 1001 DEVMETHOD(device_detach, esscontrol_detach), 1002 1003 { 0, 0 } 1004 }; 1005 1006 static driver_t esscontrol_driver = { 1007 "esscontrol", 1008 esscontrol_methods, 1009 1, 1010 }; 1011 1012 DRIVER_MODULE(esscontrol, isa, esscontrol_driver, esscontrol_devclass, 0, 0); 1013 DRIVER_MODULE(esscontrol, acpi, esscontrol_driver, esscontrol_devclass, 0, 0);
Cache object: 18be679e76df741d84d3ca07c6b99fec
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