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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 (c) 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/7.3/sys/dev/sound/isa/ess.c 170873 2007-06-17 06:10:43Z 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; 101 unsigned int duplex:1, newspeed:1; 102 u_long bd_flags; /* board-specific flags */ 103 struct ess_chinfo pch, rch; 104 }; 105 106 #if 0 107 static int ess_rd(struct ess_info *sc, int reg); 108 static void ess_wr(struct ess_info *sc, int reg, u_int8_t val); 109 static int ess_dspready(struct ess_info *sc); 110 static int ess_cmd(struct ess_info *sc, u_char val); 111 static int ess_cmd1(struct ess_info *sc, u_char cmd, int val); 112 static int ess_get_byte(struct ess_info *sc); 113 static void ess_setmixer(struct ess_info *sc, u_int port, u_int value); 114 static int ess_getmixer(struct ess_info *sc, u_int port); 115 static int ess_reset_dsp(struct ess_info *sc); 116 117 static int ess_write(struct ess_info *sc, u_char reg, int val); 118 static int ess_read(struct ess_info *sc, u_char reg); 119 120 static void ess_intr(void *arg); 121 static int ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len); 122 static int ess_start(struct ess_chinfo *ch); 123 static int ess_stop(struct ess_chinfo *ch); 124 #endif 125 126 /* 127 * Common code for the midi and pcm functions 128 * 129 * ess_cmd write a single byte to the CMD port. 130 * ess_cmd1 write a CMD + 1 byte arg 131 * ess_cmd2 write a CMD + 2 byte arg 132 * ess_get_byte returns a single byte from the DSP data port 133 * 134 * ess_write is actually ess_cmd1 135 * ess_read access ext. regs via ess_cmd(0xc0, reg) followed by ess_get_byte 136 */ 137 138 static void 139 ess_lock(struct ess_info *sc) { 140 141 sbc_lock(device_get_softc(sc->parent_dev)); 142 } 143 144 static void 145 ess_unlock(struct ess_info *sc) { 146 147 sbc_unlock(device_get_softc(sc->parent_dev)); 148 } 149 150 static int 151 port_rd(struct resource *port, int off) 152 { 153 return bus_space_read_1(rman_get_bustag(port), 154 rman_get_bushandle(port), 155 off); 156 } 157 158 static void 159 port_wr(struct resource *port, int off, u_int8_t data) 160 { 161 bus_space_write_1(rman_get_bustag(port), 162 rman_get_bushandle(port), 163 off, data); 164 } 165 166 static int 167 ess_rd(struct ess_info *sc, int reg) 168 { 169 return port_rd(sc->io_base, reg); 170 } 171 172 static void 173 ess_wr(struct ess_info *sc, int reg, u_int8_t val) 174 { 175 port_wr(sc->io_base, reg, val); 176 } 177 178 static int 179 ess_dspready(struct ess_info *sc) 180 { 181 return ((ess_rd(sc, SBDSP_STATUS) & 0x80) == 0); 182 } 183 184 static int 185 ess_dspwr(struct ess_info *sc, u_char val) 186 { 187 int i; 188 189 for (i = 0; i < 1000; i++) { 190 if (ess_dspready(sc)) { 191 ess_wr(sc, SBDSP_CMD, val); 192 return 1; 193 } 194 if (i > 10) DELAY((i > 100)? 1000 : 10); 195 } 196 printf("ess_dspwr(0x%02x) timed out.\n", val); 197 return 0; 198 } 199 200 static int 201 ess_cmd(struct ess_info *sc, u_char val) 202 { 203 #if 0 204 printf("ess_cmd: %x\n", val); 205 #endif 206 return ess_dspwr(sc, val); 207 } 208 209 static int 210 ess_cmd1(struct ess_info *sc, u_char cmd, int val) 211 { 212 #if 0 213 printf("ess_cmd1: %x, %x\n", cmd, val); 214 #endif 215 if (ess_dspwr(sc, cmd)) { 216 return ess_dspwr(sc, val & 0xff); 217 } else return 0; 218 } 219 220 static void 221 ess_setmixer(struct ess_info *sc, u_int port, u_int value) 222 { 223 DEB(printf("ess_setmixer: reg=%x, val=%x\n", port, value);) 224 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 225 DELAY(10); 226 ess_wr(sc, SB_MIX_DATA, (u_char) (value & 0xff)); 227 DELAY(10); 228 } 229 230 static int 231 ess_getmixer(struct ess_info *sc, u_int port) 232 { 233 int val; 234 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 235 DELAY(10); 236 val = ess_rd(sc, SB_MIX_DATA); 237 DELAY(10); 238 239 return val; 240 } 241 242 static int 243 ess_get_byte(struct ess_info *sc) 244 { 245 int i; 246 247 for (i = 1000; i > 0; i--) { 248 if (ess_rd(sc, DSP_DATA_AVAIL) & 0x80) 249 return ess_rd(sc, DSP_READ); 250 else 251 DELAY(20); 252 } 253 return -1; 254 } 255 256 static int 257 ess_write(struct ess_info *sc, u_char reg, int val) 258 { 259 return ess_cmd1(sc, reg, val); 260 } 261 262 static int 263 ess_read(struct ess_info *sc, u_char reg) 264 { 265 return (ess_cmd(sc, 0xc0) && ess_cmd(sc, reg))? ess_get_byte(sc) : -1; 266 } 267 268 static int 269 ess_reset_dsp(struct ess_info *sc) 270 { 271 ess_wr(sc, SBDSP_RST, 3); 272 DELAY(100); 273 ess_wr(sc, SBDSP_RST, 0); 274 if (ess_get_byte(sc) != 0xAA) { 275 DEB(printf("ess_reset_dsp 0x%lx failed\n", 276 rman_get_start(sc->io_base))); 277 return ENXIO; /* Sorry */ 278 } 279 ess_cmd(sc, 0xc6); 280 return 0; 281 } 282 283 static void 284 ess_release_resources(struct ess_info *sc, device_t dev) 285 { 286 if (sc->irq) { 287 if (sc->ih) 288 bus_teardown_intr(dev, sc->irq, sc->ih); 289 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq); 290 sc->irq = 0; 291 } 292 if (sc->drq1) { 293 isa_dma_release(rman_get_start(sc->drq1)); 294 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->drq1); 295 sc->drq1 = 0; 296 } 297 if (sc->drq2) { 298 isa_dma_release(rman_get_start(sc->drq2)); 299 bus_release_resource(dev, SYS_RES_DRQ, 1, sc->drq2); 300 sc->drq2 = 0; 301 } 302 if (sc->io_base) { 303 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->io_base); 304 sc->io_base = 0; 305 } 306 if (sc->parent_dmat) { 307 bus_dma_tag_destroy(sc->parent_dmat); 308 sc->parent_dmat = 0; 309 } 310 free(sc, M_DEVBUF); 311 } 312 313 static int 314 ess_alloc_resources(struct ess_info *sc, device_t dev) 315 { 316 int rid; 317 318 rid = 0; 319 if (!sc->io_base) 320 sc->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 321 &rid, RF_ACTIVE); 322 rid = 0; 323 if (!sc->irq) 324 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 325 &rid, RF_ACTIVE); 326 rid = 0; 327 if (!sc->drq1) 328 sc->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ, 329 &rid, RF_ACTIVE); 330 rid = 1; 331 if (!sc->drq2) 332 sc->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ, 333 &rid, RF_ACTIVE); 334 335 if (sc->io_base && sc->drq1 && sc->irq) { 336 isa_dma_acquire(rman_get_start(sc->drq1)); 337 isa_dmainit(rman_get_start(sc->drq1), sc->bufsize); 338 339 if (sc->drq2) { 340 isa_dma_acquire(rman_get_start(sc->drq2)); 341 isa_dmainit(rman_get_start(sc->drq2), sc->bufsize); 342 } 343 344 return 0; 345 } else return ENXIO; 346 } 347 348 static void 349 ess_intr(void *arg) 350 { 351 struct ess_info *sc = (struct ess_info *)arg; 352 int src, pirq, rirq; 353 354 ess_lock(sc); 355 src = 0; 356 if (ess_getmixer(sc, 0x7a) & 0x80) 357 src |= 2; 358 if (ess_rd(sc, 0x0c) & 0x01) 359 src |= 1; 360 361 pirq = (src & sc->pch.hwch)? 1 : 0; 362 rirq = (src & sc->rch.hwch)? 1 : 0; 363 364 if (pirq) { 365 if (sc->pch.run) { 366 ess_unlock(sc); 367 chn_intr(sc->pch.channel); 368 ess_lock(sc); 369 } 370 if (sc->pch.stopping) { 371 sc->pch.run = 0; 372 sndbuf_dma(sc->pch.buffer, PCMTRIG_STOP); 373 sc->pch.stopping = 0; 374 if (sc->pch.hwch == 1) 375 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01); 376 else 377 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x03); 378 } 379 } 380 381 if (rirq) { 382 if (sc->rch.run) { 383 ess_unlock(sc); 384 chn_intr(sc->rch.channel); 385 ess_lock(sc); 386 } 387 if (sc->rch.stopping) { 388 sc->rch.run = 0; 389 sndbuf_dma(sc->rch.buffer, PCMTRIG_STOP); 390 sc->rch.stopping = 0; 391 /* XXX: will this stop audio2? */ 392 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01); 393 } 394 } 395 396 if (src & 2) 397 ess_setmixer(sc, 0x7a, ess_getmixer(sc, 0x7a) & ~0x80); 398 if (src & 1) 399 ess_rd(sc, DSP_DATA_AVAIL); 400 ess_unlock(sc); 401 } 402 403 /* utility functions for ESS */ 404 static u_int8_t 405 ess_calcspeed8(int *spd) 406 { 407 int speed = *spd; 408 u_int32_t t; 409 410 if (speed > 22000) { 411 t = (795500 + speed / 2) / speed; 412 speed = (795500 + t / 2) / t; 413 t = (256 - t) | 0x80; 414 } else { 415 t = (397700 + speed / 2) / speed; 416 speed = (397700 + t / 2) / t; 417 t = 128 - t; 418 } 419 *spd = speed; 420 return t & 0x000000ff; 421 } 422 423 static u_int8_t 424 ess_calcspeed9(int *spd) 425 { 426 int speed, s0, s1, use0; 427 u_int8_t t0, t1; 428 429 /* rate = source / (256 - divisor) */ 430 /* divisor = 256 - (source / rate) */ 431 speed = *spd; 432 t0 = 128 - (793800 / speed); 433 s0 = 793800 / (128 - t0); 434 435 t1 = 128 - (768000 / speed); 436 s1 = 768000 / (128 - t1); 437 t1 |= 0x80; 438 439 use0 = (ABS(speed - s0) < ABS(speed - s1))? 1 : 0; 440 441 *spd = use0? s0 : s1; 442 return use0? t0 : t1; 443 } 444 445 static u_int8_t 446 ess_calcfilter(int spd) 447 { 448 int cutoff; 449 450 /* cutoff = 7160000 / (256 - divisor) */ 451 /* divisor = 256 - (7160000 / cutoff) */ 452 cutoff = (spd * 9 * 82) / 20; 453 return (256 - (7160000 / cutoff)); 454 } 455 456 static int 457 ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len) 458 { 459 int play = (dir == PCMDIR_PLAY)? 1 : 0; 460 int b16 = (fmt & AFMT_16BIT)? 1 : 0; 461 int stereo = (fmt & AFMT_STEREO)? 1 : 0; 462 int unsign = (fmt == AFMT_U8 || fmt == AFMT_U16_LE)? 1 : 0; 463 u_int8_t spdval, fmtval; 464 465 466 spdval = (sc->newspeed)? ess_calcspeed9(&spd) : ess_calcspeed8(&spd); 467 len = -len; 468 469 if (ch == 1) { 470 KASSERT((dir == PCMDIR_PLAY) || (dir == PCMDIR_REC), ("ess_setupch: dir1 bad")); 471 /* transfer length low */ 472 ess_write(sc, 0xa4, len & 0x00ff); 473 /* transfer length high */ 474 ess_write(sc, 0xa5, (len & 0xff00) >> 8); 475 /* autoinit, dma dir */ 476 ess_write(sc, 0xb8, 0x04 | (play? 0x00 : 0x0a)); 477 /* mono/stereo */ 478 ess_write(sc, 0xa8, (ess_read(sc, 0xa8) & ~0x03) | (stereo? 0x01 : 0x02)); 479 /* demand mode, 4 bytes/xfer */ 480 ess_write(sc, 0xb9, 0x02); 481 /* sample rate */ 482 ess_write(sc, 0xa1, spdval); 483 /* filter cutoff */ 484 ess_write(sc, 0xa2, ess_calcfilter(spd)); 485 /* setup dac/adc */ 486 if (play) 487 ess_write(sc, 0xb6, unsign? 0x80 : 0x00); 488 /* mono, b16: signed, load signal */ 489 ess_write(sc, 0xb7, 0x51 | (unsign? 0x00 : 0x20)); 490 /* setup fifo */ 491 ess_write(sc, 0xb7, 0x90 | (unsign? 0x00 : 0x20) | 492 (b16? 0x04 : 0x00) | 493 (stereo? 0x08 : 0x40)); 494 /* irq control */ 495 ess_write(sc, 0xb1, (ess_read(sc, 0xb1) & 0x0f) | 0x50); 496 /* drq control */ 497 ess_write(sc, 0xb2, (ess_read(sc, 0xb2) & 0x0f) | 0x50); 498 } else if (ch == 2) { 499 KASSERT(dir == PCMDIR_PLAY, ("ess_setupch: dir2 bad")); 500 /* transfer length low */ 501 ess_setmixer(sc, 0x74, len & 0x00ff); 502 /* transfer length high */ 503 ess_setmixer(sc, 0x76, (len & 0xff00) >> 8); 504 /* autoinit, 4 bytes/req */ 505 ess_setmixer(sc, 0x78, 0x90); 506 fmtval = b16 | (stereo << 1) | (unsign << 2); 507 /* enable irq, set format */ 508 ess_setmixer(sc, 0x7a, 0x40 | fmtval); 509 if (sc->newspeed) { 510 /* sample rate */ 511 ess_setmixer(sc, 0x70, spdval); 512 /* filter cutoff */ 513 ess_setmixer(sc, 0x72, ess_calcfilter(spd)); 514 } 515 } 516 517 return 0; 518 } 519 static int 520 ess_start(struct ess_chinfo *ch) 521 { 522 struct ess_info *sc = ch->parent; 523 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 524 525 ess_lock(sc); 526 ess_setupch(sc, ch->hwch, ch->dir, ch->spd, ch->fmt, ch->blksz); 527 ch->stopping = 0; 528 if (ch->hwch == 1) 529 ess_write(sc, 0xb8, ess_read(sc, 0xb8) | 0x01); 530 else 531 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) | 0x03); 532 if (play) 533 ess_cmd(sc, DSP_CMD_SPKON); 534 ess_unlock(sc); 535 return 0; 536 } 537 538 static int 539 ess_stop(struct ess_chinfo *ch) 540 { 541 struct ess_info *sc = ch->parent; 542 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 543 544 ess_lock(sc); 545 ch->stopping = 1; 546 if (ch->hwch == 1) 547 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x04); 548 else 549 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x10); 550 if (play) 551 ess_cmd(sc, DSP_CMD_SPKOFF); 552 ess_unlock(sc); 553 return 0; 554 } 555 556 /* -------------------------------------------------------------------- */ 557 /* channel interface for ESS18xx */ 558 static void * 559 esschan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 560 { 561 struct ess_info *sc = devinfo; 562 struct ess_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch; 563 564 ch->parent = sc; 565 ch->channel = c; 566 ch->buffer = b; 567 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, 0, sc->bufsize) != 0) 568 return NULL; 569 ch->dir = dir; 570 ch->hwch = 1; 571 if ((dir == PCMDIR_PLAY) && (sc->duplex)) 572 ch->hwch = 2; 573 sndbuf_dmasetup(ch->buffer, (ch->hwch == 1)? sc->drq1 : sc->drq2); 574 return ch; 575 } 576 577 static int 578 esschan_setformat(kobj_t obj, void *data, u_int32_t format) 579 { 580 struct ess_chinfo *ch = data; 581 582 ch->fmt = format; 583 return 0; 584 } 585 586 static int 587 esschan_setspeed(kobj_t obj, void *data, u_int32_t speed) 588 { 589 struct ess_chinfo *ch = data; 590 struct ess_info *sc = ch->parent; 591 592 ch->spd = speed; 593 if (sc->newspeed) 594 ess_calcspeed9(&ch->spd); 595 else 596 ess_calcspeed8(&ch->spd); 597 return ch->spd; 598 } 599 600 static int 601 esschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 602 { 603 struct ess_chinfo *ch = data; 604 605 ch->blksz = blocksize; 606 return ch->blksz; 607 } 608 609 static int 610 esschan_trigger(kobj_t obj, void *data, int go) 611 { 612 struct ess_chinfo *ch = data; 613 614 if (!PCMTRIG_COMMON(go)) 615 return 0; 616 617 switch (go) { 618 case PCMTRIG_START: 619 ch->run = 1; 620 sndbuf_dma(ch->buffer, go); 621 ess_start(ch); 622 break; 623 624 case PCMTRIG_STOP: 625 case PCMTRIG_ABORT: 626 default: 627 ess_stop(ch); 628 break; 629 } 630 return 0; 631 } 632 633 static int 634 esschan_getptr(kobj_t obj, void *data) 635 { 636 struct ess_chinfo *ch = data; 637 638 return sndbuf_dmaptr(ch->buffer); 639 } 640 641 static struct pcmchan_caps * 642 esschan_getcaps(kobj_t obj, void *data) 643 { 644 struct ess_chinfo *ch = data; 645 646 return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps; 647 } 648 649 static kobj_method_t esschan_methods[] = { 650 KOBJMETHOD(channel_init, esschan_init), 651 KOBJMETHOD(channel_setformat, esschan_setformat), 652 KOBJMETHOD(channel_setspeed, esschan_setspeed), 653 KOBJMETHOD(channel_setblocksize, esschan_setblocksize), 654 KOBJMETHOD(channel_trigger, esschan_trigger), 655 KOBJMETHOD(channel_getptr, esschan_getptr), 656 KOBJMETHOD(channel_getcaps, esschan_getcaps), 657 { 0, 0 } 658 }; 659 CHANNEL_DECLARE(esschan); 660 661 /************************************************************/ 662 663 static int 664 essmix_init(struct snd_mixer *m) 665 { 666 struct ess_info *sc = mix_getdevinfo(m); 667 668 mix_setrecdevs(m, SOUND_MASK_CD | SOUND_MASK_MIC | SOUND_MASK_LINE | 669 SOUND_MASK_IMIX); 670 671 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | 672 SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME | 673 SOUND_MASK_LINE1 | SOUND_MASK_SPEAKER); 674 675 ess_setmixer(sc, 0, 0); /* reset */ 676 677 return 0; 678 } 679 680 static int 681 essmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) 682 { 683 struct ess_info *sc = mix_getdevinfo(m); 684 int preg = 0, rreg = 0, l, r; 685 686 l = (left * 15) / 100; 687 r = (right * 15) / 100; 688 switch (dev) { 689 case SOUND_MIXER_SYNTH: 690 preg = 0x36; 691 rreg = 0x6b; 692 break; 693 694 case SOUND_MIXER_PCM: 695 preg = 0x14; 696 rreg = 0x7c; 697 break; 698 699 case SOUND_MIXER_LINE: 700 preg = 0x3e; 701 rreg = 0x6e; 702 break; 703 704 case SOUND_MIXER_MIC: 705 preg = 0x1a; 706 rreg = 0x68; 707 break; 708 709 case SOUND_MIXER_LINE1: 710 preg = 0x3a; 711 rreg = 0x6c; 712 break; 713 714 case SOUND_MIXER_CD: 715 preg = 0x38; 716 rreg = 0x6a; 717 break; 718 719 case SOUND_MIXER_SPEAKER: 720 preg = 0x3c; 721 break; 722 723 case SOUND_MIXER_VOLUME: 724 l = left? (left * 63) / 100 : 64; 725 r = right? (right * 63) / 100 : 64; 726 ess_setmixer(sc, 0x60, l); 727 ess_setmixer(sc, 0x62, r); 728 left = (l == 64)? 0 : (l * 100) / 63; 729 right = (r == 64)? 0 : (r * 100) / 63; 730 return left | (right << 8); 731 } 732 733 if (preg) 734 ess_setmixer(sc, preg, (l << 4) | r); 735 if (rreg) 736 ess_setmixer(sc, rreg, (l << 4) | r); 737 738 left = (l * 100) / 15; 739 right = (r * 100) / 15; 740 741 return left | (right << 8); 742 } 743 744 static int 745 essmix_setrecsrc(struct snd_mixer *m, u_int32_t src) 746 { 747 struct ess_info *sc = mix_getdevinfo(m); 748 u_char recdev; 749 750 switch (src) { 751 case SOUND_MASK_CD: 752 recdev = 0x02; 753 break; 754 755 case SOUND_MASK_LINE: 756 recdev = 0x06; 757 break; 758 759 case SOUND_MASK_IMIX: 760 recdev = 0x05; 761 break; 762 763 case SOUND_MASK_MIC: 764 default: 765 recdev = 0x00; 766 src = SOUND_MASK_MIC; 767 break; 768 } 769 770 ess_setmixer(sc, 0x1c, recdev); 771 772 return src; 773 } 774 775 static kobj_method_t essmixer_methods[] = { 776 KOBJMETHOD(mixer_init, essmix_init), 777 KOBJMETHOD(mixer_set, essmix_set), 778 KOBJMETHOD(mixer_setrecsrc, essmix_setrecsrc), 779 { 0, 0 } 780 }; 781 MIXER_DECLARE(essmixer); 782 783 /************************************************************/ 784 785 static int 786 ess_probe(device_t dev) 787 { 788 uintptr_t func, ver, r, f; 789 790 /* The parent device has already been probed. */ 791 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func); 792 if (func != SCF_PCM) 793 return (ENXIO); 794 795 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); 796 f = (ver & 0xffff0000) >> 16; 797 if (!(f & BD_F_ESS)) 798 return (ENXIO); 799 800 device_set_desc(dev, "ESS 18xx DSP"); 801 802 return 0; 803 } 804 805 static int 806 ess_attach(device_t dev) 807 { 808 struct ess_info *sc; 809 char status[SND_STATUSLEN], buf[64]; 810 int ver; 811 812 sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO); 813 sc->parent_dev = device_get_parent(dev); 814 sc->bufsize = pcm_getbuffersize(dev, 4096, ESS_BUFFSIZE, 65536); 815 if (ess_alloc_resources(sc, dev)) 816 goto no; 817 if (ess_reset_dsp(sc)) 818 goto no; 819 if (mixer_init(dev, &essmixer_class, sc)) 820 goto no; 821 822 sc->duplex = 0; 823 sc->newspeed = 0; 824 ver = (ess_getmixer(sc, 0x40) << 8) | ess_rd(sc, SB_MIX_DATA); 825 snprintf(buf, sizeof buf, "ESS %x DSP", ver); 826 device_set_desc_copy(dev, buf); 827 if (bootverbose) 828 device_printf(dev, "ESS%x detected", ver); 829 830 switch (ver) { 831 case 0x1869: 832 case 0x1879: 833 #ifdef ESS18XX_DUPLEX 834 sc->duplex = sc->drq2? 1 : 0; 835 #endif 836 #ifdef ESS18XX_NEWSPEED 837 sc->newspeed = 1; 838 #endif 839 break; 840 } 841 if (bootverbose) 842 printf("%s%s\n", sc->duplex? ", duplex" : "", 843 sc->newspeed? ", newspeed" : ""); 844 845 if (sc->newspeed) 846 ess_setmixer(sc, 0x71, 0x22); 847 848 snd_setup_intr(dev, sc->irq, 0, ess_intr, sc, &sc->ih); 849 if (!sc->duplex) 850 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 851 852 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2, 853 /*boundary*/0, 854 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 855 /*highaddr*/BUS_SPACE_MAXADDR, 856 /*filter*/NULL, /*filterarg*/NULL, 857 /*maxsize*/sc->bufsize, /*nsegments*/1, 858 /*maxsegz*/0x3ffff, 859 /*flags*/0, /*lockfunc*/busdma_lock_mutex, 860 /*lockarg*/&Giant, &sc->parent_dmat) != 0) { 861 device_printf(dev, "unable to create dma tag\n"); 862 goto no; 863 } 864 865 if (sc->drq2) 866 snprintf(buf, SND_STATUSLEN, ":%ld", rman_get_start(sc->drq2)); 867 else 868 buf[0] = '\0'; 869 870 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %u %s", 871 rman_get_start(sc->io_base), rman_get_start(sc->irq), 872 rman_get_start(sc->drq1), buf, sc->bufsize, 873 PCM_KLDSTRING(snd_ess)); 874 875 if (pcm_register(dev, sc, 1, 1)) 876 goto no; 877 pcm_addchan(dev, PCMDIR_REC, &esschan_class, sc); 878 pcm_addchan(dev, PCMDIR_PLAY, &esschan_class, sc); 879 pcm_setstatus(dev, status); 880 881 return 0; 882 883 no: 884 ess_release_resources(sc, dev); 885 return ENXIO; 886 } 887 888 static int 889 ess_detach(device_t dev) 890 { 891 int r; 892 struct ess_info *sc; 893 894 r = pcm_unregister(dev); 895 if (r) 896 return r; 897 898 sc = pcm_getdevinfo(dev); 899 ess_release_resources(sc, dev); 900 return 0; 901 } 902 903 static int 904 ess_resume(device_t dev) 905 { 906 struct ess_info *sc; 907 908 sc = pcm_getdevinfo(dev); 909 910 if (ess_reset_dsp(sc)) { 911 device_printf(dev, "unable to reset DSP at resume\n"); 912 return ENXIO; 913 } 914 915 if (mixer_reinit(dev)) { 916 device_printf(dev, "unable to reinitialize mixer at resume\n"); 917 return ENXIO; 918 } 919 920 return 0; 921 } 922 923 static device_method_t ess_methods[] = { 924 /* Device interface */ 925 DEVMETHOD(device_probe, ess_probe), 926 DEVMETHOD(device_attach, ess_attach), 927 DEVMETHOD(device_detach, ess_detach), 928 DEVMETHOD(device_resume, ess_resume), 929 930 { 0, 0 } 931 }; 932 933 static driver_t ess_driver = { 934 "pcm", 935 ess_methods, 936 PCM_SOFTC_SIZE, 937 }; 938 939 DRIVER_MODULE(snd_ess, sbc, ess_driver, pcm_devclass, 0, 0); 940 MODULE_DEPEND(snd_ess, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 941 MODULE_DEPEND(snd_ess, snd_sbc, 1, 1, 1); 942 MODULE_VERSION(snd_ess, 1); 943 944 /************************************************************/ 945 946 static devclass_t esscontrol_devclass; 947 948 static struct isa_pnp_id essc_ids[] = { 949 {0x06007316, "ESS Control"}, 950 {0} 951 }; 952 953 static int 954 esscontrol_probe(device_t dev) 955 { 956 int i; 957 958 i = ISA_PNP_PROBE(device_get_parent(dev), dev, essc_ids); 959 if (i == 0) 960 device_quiet(dev); 961 return i; 962 } 963 964 static int 965 esscontrol_attach(device_t dev) 966 { 967 #ifdef notyet 968 struct resource *io; 969 int rid, i, x; 970 971 rid = 0; 972 io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 973 x = 0; 974 for (i = 0; i < 0x100; i++) { 975 port_wr(io, 0, i); 976 x = port_rd(io, 1); 977 if ((i & 0x0f) == 0) 978 printf("%3.3x: ", i); 979 printf("%2.2x ", x); 980 if ((i & 0x0f) == 0x0f) 981 printf("\n"); 982 } 983 bus_release_resource(dev, SYS_RES_IOPORT, 0, io); 984 io = NULL; 985 #endif 986 987 return 0; 988 } 989 990 static int 991 esscontrol_detach(device_t dev) 992 { 993 return 0; 994 } 995 996 static device_method_t esscontrol_methods[] = { 997 /* Device interface */ 998 DEVMETHOD(device_probe, esscontrol_probe), 999 DEVMETHOD(device_attach, esscontrol_attach), 1000 DEVMETHOD(device_detach, esscontrol_detach), 1001 1002 { 0, 0 } 1003 }; 1004 1005 static driver_t esscontrol_driver = { 1006 "esscontrol", 1007 esscontrol_methods, 1008 1, 1009 }; 1010 1011 DRIVER_MODULE(esscontrol, isa, esscontrol_driver, esscontrol_devclass, 0, 0); 1012 DRIVER_MODULE(esscontrol, acpi, esscontrol_driver, esscontrol_devclass, 0, 0);
Cache object: 7df6f37798dcdc848ceee744cbae0b9e
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