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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 <gandalf@vilnya.demon.co.uk> 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 "mixer_if.h" 38 39 SND_DECLARE_FILE("$FreeBSD$"); 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 50 static 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 62 static struct pcmchan_caps ess_playcaps = {5000, 49000, ess_pfmt, 0}; 63 64 static 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 76 static struct pcmchan_caps ess_reccaps = {5000, 49000, ess_rfmt, 0}; 77 78 struct ess_info; 79 80 struct 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 88 struct 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 unsigned int bufsize; 98 int type, duplex:1, newspeed:1; 99 u_long bd_flags; /* board-specific flags */ 100 struct ess_chinfo pch, rch; 101 }; 102 103 #if 0 104 static int ess_rd(struct ess_info *sc, int reg); 105 static void ess_wr(struct ess_info *sc, int reg, u_int8_t val); 106 static int ess_dspready(struct ess_info *sc); 107 static int ess_cmd(struct ess_info *sc, u_char val); 108 static int ess_cmd1(struct ess_info *sc, u_char cmd, int val); 109 static int ess_get_byte(struct ess_info *sc); 110 static void ess_setmixer(struct ess_info *sc, u_int port, u_int value); 111 static int ess_getmixer(struct ess_info *sc, u_int port); 112 static int ess_reset_dsp(struct ess_info *sc); 113 114 static int ess_write(struct ess_info *sc, u_char reg, int val); 115 static int ess_read(struct ess_info *sc, u_char reg); 116 117 static void ess_intr(void *arg); 118 static int ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len); 119 static int ess_start(struct ess_chinfo *ch); 120 static int ess_stop(struct ess_chinfo *ch); 121 #endif 122 123 /* 124 * Common code for the midi and pcm functions 125 * 126 * ess_cmd write a single byte to the CMD port. 127 * ess_cmd1 write a CMD + 1 byte arg 128 * ess_cmd2 write a CMD + 2 byte arg 129 * ess_get_byte returns a single byte from the DSP data port 130 * 131 * ess_write is actually ess_cmd1 132 * ess_read access ext. regs via ess_cmd(0xc0, reg) followed by ess_get_byte 133 */ 134 135 static void 136 ess_lock(struct ess_info *sc) { 137 138 sbc_lock(device_get_softc(sc->parent_dev)); 139 } 140 141 static void 142 ess_unlock(struct ess_info *sc) { 143 144 sbc_unlock(device_get_softc(sc->parent_dev)); 145 } 146 147 static int 148 port_rd(struct resource *port, int off) 149 { 150 return bus_space_read_1(rman_get_bustag(port), 151 rman_get_bushandle(port), 152 off); 153 } 154 155 static void 156 port_wr(struct resource *port, int off, u_int8_t data) 157 { 158 bus_space_write_1(rman_get_bustag(port), 159 rman_get_bushandle(port), 160 off, data); 161 } 162 163 static int 164 ess_rd(struct ess_info *sc, int reg) 165 { 166 return port_rd(sc->io_base, reg); 167 } 168 169 static void 170 ess_wr(struct ess_info *sc, int reg, u_int8_t val) 171 { 172 port_wr(sc->io_base, reg, val); 173 } 174 175 static int 176 ess_dspready(struct ess_info *sc) 177 { 178 return ((ess_rd(sc, SBDSP_STATUS) & 0x80) == 0); 179 } 180 181 static int 182 ess_dspwr(struct ess_info *sc, u_char val) 183 { 184 int i; 185 186 for (i = 0; i < 1000; i++) { 187 if (ess_dspready(sc)) { 188 ess_wr(sc, SBDSP_CMD, val); 189 return 1; 190 } 191 if (i > 10) DELAY((i > 100)? 1000 : 10); 192 } 193 printf("ess_dspwr(0x%02x) timed out.\n", val); 194 return 0; 195 } 196 197 static int 198 ess_cmd(struct ess_info *sc, u_char val) 199 { 200 #if 0 201 printf("ess_cmd: %x\n", val); 202 #endif 203 return ess_dspwr(sc, val); 204 } 205 206 static int 207 ess_cmd1(struct ess_info *sc, u_char cmd, int val) 208 { 209 #if 0 210 printf("ess_cmd1: %x, %x\n", cmd, val); 211 #endif 212 if (ess_dspwr(sc, cmd)) { 213 return ess_dspwr(sc, val & 0xff); 214 } else return 0; 215 } 216 217 static void 218 ess_setmixer(struct ess_info *sc, u_int port, u_int value) 219 { 220 DEB(printf("ess_setmixer: reg=%x, val=%x\n", port, value);) 221 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 222 DELAY(10); 223 ess_wr(sc, SB_MIX_DATA, (u_char) (value & 0xff)); 224 DELAY(10); 225 } 226 227 static int 228 ess_getmixer(struct ess_info *sc, u_int port) 229 { 230 int val; 231 ess_wr(sc, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 232 DELAY(10); 233 val = ess_rd(sc, SB_MIX_DATA); 234 DELAY(10); 235 236 return val; 237 } 238 239 static int 240 ess_get_byte(struct ess_info *sc) 241 { 242 int i; 243 244 for (i = 1000; i > 0; i--) { 245 if (ess_rd(sc, DSP_DATA_AVAIL) & 0x80) 246 return ess_rd(sc, DSP_READ); 247 else 248 DELAY(20); 249 } 250 return -1; 251 } 252 253 static int 254 ess_write(struct ess_info *sc, u_char reg, int val) 255 { 256 return ess_cmd1(sc, reg, val); 257 } 258 259 static int 260 ess_read(struct ess_info *sc, u_char reg) 261 { 262 return (ess_cmd(sc, 0xc0) && ess_cmd(sc, reg))? ess_get_byte(sc) : -1; 263 } 264 265 static int 266 ess_reset_dsp(struct ess_info *sc) 267 { 268 ess_wr(sc, SBDSP_RST, 3); 269 DELAY(100); 270 ess_wr(sc, SBDSP_RST, 0); 271 if (ess_get_byte(sc) != 0xAA) { 272 DEB(printf("ess_reset_dsp 0x%lx failed\n", 273 rman_get_start(sc->io_base))); 274 return ENXIO; /* Sorry */ 275 } 276 ess_cmd(sc, 0xc6); 277 return 0; 278 } 279 280 static void 281 ess_release_resources(struct ess_info *sc, device_t dev) 282 { 283 if (sc->irq) { 284 if (sc->ih) 285 bus_teardown_intr(dev, sc->irq, sc->ih); 286 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq); 287 sc->irq = 0; 288 } 289 if (sc->drq1) { 290 isa_dma_release(rman_get_start(sc->drq1)); 291 bus_release_resource(dev, SYS_RES_DRQ, 0, sc->drq1); 292 sc->drq1 = 0; 293 } 294 if (sc->drq2) { 295 isa_dma_release(rman_get_start(sc->drq2)); 296 bus_release_resource(dev, SYS_RES_DRQ, 1, sc->drq2); 297 sc->drq2 = 0; 298 } 299 if (sc->io_base) { 300 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->io_base); 301 sc->io_base = 0; 302 } 303 if (sc->parent_dmat) { 304 bus_dma_tag_destroy(sc->parent_dmat); 305 sc->parent_dmat = 0; 306 } 307 free(sc, M_DEVBUF); 308 } 309 310 static int 311 ess_alloc_resources(struct ess_info *sc, device_t dev) 312 { 313 int rid; 314 315 rid = 0; 316 if (!sc->io_base) 317 sc->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, 318 &rid, 0, ~0, 1, 319 RF_ACTIVE); 320 rid = 0; 321 if (!sc->irq) 322 sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, 323 &rid, 0, ~0, 1, 324 RF_ACTIVE); 325 rid = 0; 326 if (!sc->drq1) 327 sc->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ, 328 &rid, 0, ~0, 1, 329 RF_ACTIVE); 330 rid = 1; 331 if (!sc->drq2) 332 sc->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ, 333 &rid, 0, ~0, 1, 334 RF_ACTIVE); 335 336 if (sc->io_base && sc->drq1 && sc->irq) { 337 isa_dma_acquire(rman_get_start(sc->drq1)); 338 isa_dmainit(rman_get_start(sc->drq1), sc->bufsize); 339 340 if (sc->drq2) { 341 isa_dma_acquire(rman_get_start(sc->drq2)); 342 isa_dmainit(rman_get_start(sc->drq2), sc->bufsize); 343 } 344 345 return 0; 346 } else return ENXIO; 347 } 348 349 static void 350 ess_intr(void *arg) 351 { 352 struct ess_info *sc = (struct ess_info *)arg; 353 int src, pirq, rirq; 354 355 ess_lock(sc); 356 src = 0; 357 if (ess_getmixer(sc, 0x7a) & 0x80) 358 src |= 2; 359 if (ess_rd(sc, 0x0c) & 0x01) 360 src |= 1; 361 362 pirq = (src & sc->pch.hwch)? 1 : 0; 363 rirq = (src & sc->rch.hwch)? 1 : 0; 364 365 if (pirq) { 366 if (sc->pch.run) 367 chn_intr(sc->pch.channel); 368 if (sc->pch.stopping) { 369 sc->pch.run = 0; 370 sndbuf_isadma(sc->pch.buffer, PCMTRIG_STOP); 371 sc->pch.stopping = 0; 372 if (sc->pch.hwch == 1) 373 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01); 374 else 375 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x03); 376 } 377 } 378 379 if (rirq) { 380 if (sc->rch.run) 381 chn_intr(sc->rch.channel); 382 if (sc->rch.stopping) { 383 sc->rch.run = 0; 384 sndbuf_isadma(sc->rch.buffer, PCMTRIG_STOP); 385 sc->rch.stopping = 0; 386 /* XXX: will this stop audio2? */ 387 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x01); 388 } 389 } 390 391 if (src & 2) 392 ess_setmixer(sc, 0x7a, ess_getmixer(sc, 0x7a) & ~0x80); 393 if (src & 1) 394 ess_rd(sc, DSP_DATA_AVAIL); 395 ess_unlock(sc); 396 } 397 398 /* utility functions for ESS */ 399 static u_int8_t 400 ess_calcspeed8(int *spd) 401 { 402 int speed = *spd; 403 u_int32_t t; 404 405 if (speed > 22000) { 406 t = (795500 + speed / 2) / speed; 407 speed = (795500 + t / 2) / t; 408 t = (256 - t) | 0x80; 409 } else { 410 t = (397700 + speed / 2) / speed; 411 speed = (397700 + t / 2) / t; 412 t = 128 - t; 413 } 414 *spd = speed; 415 return t & 0x000000ff; 416 } 417 418 static u_int8_t 419 ess_calcspeed9(int *spd) 420 { 421 int speed, s0, s1, use0; 422 u_int8_t t0, t1; 423 424 /* rate = source / (256 - divisor) */ 425 /* divisor = 256 - (source / rate) */ 426 speed = *spd; 427 t0 = 128 - (793800 / speed); 428 s0 = 793800 / (128 - t0); 429 430 t1 = 128 - (768000 / speed); 431 s1 = 768000 / (128 - t1); 432 t1 |= 0x80; 433 434 use0 = (ABS(speed - s0) < ABS(speed - s1))? 1 : 0; 435 436 *spd = use0? s0 : s1; 437 return use0? t0 : t1; 438 } 439 440 static u_int8_t 441 ess_calcfilter(int spd) 442 { 443 int cutoff; 444 445 /* cutoff = 7160000 / (256 - divisor) */ 446 /* divisor = 256 - (7160000 / cutoff) */ 447 cutoff = (spd * 9 * 82) / 20; 448 return (256 - (7160000 / cutoff)); 449 } 450 451 static int 452 ess_setupch(struct ess_info *sc, int ch, int dir, int spd, u_int32_t fmt, int len) 453 { 454 int play = (dir == PCMDIR_PLAY)? 1 : 0; 455 int b16 = (fmt & AFMT_16BIT)? 1 : 0; 456 int stereo = (fmt & AFMT_STEREO)? 1 : 0; 457 int unsign = (fmt == AFMT_U8 || fmt == AFMT_U16_LE)? 1 : 0; 458 u_int8_t spdval, fmtval; 459 460 461 spdval = (sc->newspeed)? ess_calcspeed9(&spd) : ess_calcspeed8(&spd); 462 len = -len; 463 464 if (ch == 1) { 465 KASSERT((dir == PCMDIR_PLAY) || (dir == PCMDIR_REC), ("ess_setupch: dir1 bad")); 466 /* transfer length low */ 467 ess_write(sc, 0xa4, len & 0x00ff); 468 /* transfer length high */ 469 ess_write(sc, 0xa5, (len & 0xff00) >> 8); 470 /* autoinit, dma dir */ 471 ess_write(sc, 0xb8, 0x04 | (play? 0x00 : 0x0a)); 472 /* mono/stereo */ 473 ess_write(sc, 0xa8, (ess_read(sc, 0xa8) & ~0x03) | (stereo? 0x01 : 0x02)); 474 /* demand mode, 4 bytes/xfer */ 475 ess_write(sc, 0xb9, 0x02); 476 /* sample rate */ 477 ess_write(sc, 0xa1, spdval); 478 /* filter cutoff */ 479 ess_write(sc, 0xa2, ess_calcfilter(spd)); 480 /* setup dac/adc */ 481 if (play) 482 ess_write(sc, 0xb6, unsign? 0x80 : 0x00); 483 /* mono, b16: signed, load signal */ 484 ess_write(sc, 0xb7, 0x51 | (unsign? 0x00 : 0x20)); 485 /* setup fifo */ 486 ess_write(sc, 0xb7, 0x90 | (unsign? 0x00 : 0x20) | 487 (b16? 0x04 : 0x00) | 488 (stereo? 0x08 : 0x40)); 489 /* irq control */ 490 ess_write(sc, 0xb1, (ess_read(sc, 0xb1) & 0x0f) | 0x50); 491 /* drq control */ 492 ess_write(sc, 0xb2, (ess_read(sc, 0xb2) & 0x0f) | 0x50); 493 } else if (ch == 2) { 494 KASSERT(dir == PCMDIR_PLAY, ("ess_setupch: dir2 bad")); 495 /* transfer length low */ 496 ess_setmixer(sc, 0x74, len & 0x00ff); 497 /* transfer length high */ 498 ess_setmixer(sc, 0x76, (len & 0xff00) >> 8); 499 /* autoinit, 4 bytes/req */ 500 ess_setmixer(sc, 0x78, 0x90); 501 fmtval = b16 | (stereo << 1) | (unsign << 2); 502 /* enable irq, set format */ 503 ess_setmixer(sc, 0x7a, 0x40 | fmtval); 504 if (sc->newspeed) { 505 /* sample rate */ 506 ess_setmixer(sc, 0x70, spdval); 507 /* filter cutoff */ 508 ess_setmixer(sc, 0x72, ess_calcfilter(spd)); 509 } 510 } 511 512 return 0; 513 } 514 static int 515 ess_start(struct ess_chinfo *ch) 516 { 517 struct ess_info *sc = ch->parent; 518 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 519 520 ess_lock(sc); 521 ess_setupch(sc, ch->hwch, ch->dir, ch->spd, ch->fmt, ch->blksz); 522 ch->stopping = 0; 523 if (ch->hwch == 1) 524 ess_write(sc, 0xb8, ess_read(sc, 0xb8) | 0x01); 525 else 526 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) | 0x03); 527 if (play) 528 ess_cmd(sc, DSP_CMD_SPKON); 529 ess_unlock(sc); 530 return 0; 531 } 532 533 static int 534 ess_stop(struct ess_chinfo *ch) 535 { 536 struct ess_info *sc = ch->parent; 537 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 538 539 ess_lock(sc); 540 ch->stopping = 1; 541 if (ch->hwch == 1) 542 ess_write(sc, 0xb8, ess_read(sc, 0xb8) & ~0x04); 543 else 544 ess_setmixer(sc, 0x78, ess_getmixer(sc, 0x78) & ~0x10); 545 if (play) 546 ess_cmd(sc, DSP_CMD_SPKOFF); 547 ess_unlock(sc); 548 return 0; 549 } 550 551 /* -------------------------------------------------------------------- */ 552 /* channel interface for ESS18xx */ 553 static void * 554 esschan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 555 { 556 struct ess_info *sc = devinfo; 557 struct ess_chinfo *ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch; 558 559 ch->parent = sc; 560 ch->channel = c; 561 ch->buffer = b; 562 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, sc->bufsize) == -1) 563 return NULL; 564 ch->dir = dir; 565 ch->hwch = 1; 566 if ((dir == PCMDIR_PLAY) && (sc->duplex)) 567 ch->hwch = 2; 568 sndbuf_isadmasetup(ch->buffer, (ch->hwch == 1)? sc->drq1 : sc->drq2); 569 return ch; 570 } 571 572 static int 573 esschan_setformat(kobj_t obj, void *data, u_int32_t format) 574 { 575 struct ess_chinfo *ch = data; 576 577 ch->fmt = format; 578 return 0; 579 } 580 581 static int 582 esschan_setspeed(kobj_t obj, void *data, u_int32_t speed) 583 { 584 struct ess_chinfo *ch = data; 585 struct ess_info *sc = ch->parent; 586 587 ch->spd = speed; 588 if (sc->newspeed) 589 ess_calcspeed9(&ch->spd); 590 else 591 ess_calcspeed8(&ch->spd); 592 return ch->spd; 593 } 594 595 static int 596 esschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 597 { 598 struct ess_chinfo *ch = data; 599 600 ch->blksz = blocksize; 601 return ch->blksz; 602 } 603 604 static int 605 esschan_trigger(kobj_t obj, void *data, int go) 606 { 607 struct ess_chinfo *ch = data; 608 609 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 610 return 0; 611 612 switch (go) { 613 case PCMTRIG_START: 614 ch->run = 1; 615 sndbuf_isadma(ch->buffer, go); 616 ess_start(ch); 617 break; 618 619 case PCMTRIG_STOP: 620 case PCMTRIG_ABORT: 621 default: 622 ess_stop(ch); 623 break; 624 } 625 return 0; 626 } 627 628 static int 629 esschan_getptr(kobj_t obj, void *data) 630 { 631 struct ess_chinfo *ch = data; 632 633 return sndbuf_isadmaptr(ch->buffer); 634 } 635 636 static struct pcmchan_caps * 637 esschan_getcaps(kobj_t obj, void *data) 638 { 639 struct ess_chinfo *ch = data; 640 641 return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps; 642 } 643 644 static kobj_method_t esschan_methods[] = { 645 KOBJMETHOD(channel_init, esschan_init), 646 KOBJMETHOD(channel_setformat, esschan_setformat), 647 KOBJMETHOD(channel_setspeed, esschan_setspeed), 648 KOBJMETHOD(channel_setblocksize, esschan_setblocksize), 649 KOBJMETHOD(channel_trigger, esschan_trigger), 650 KOBJMETHOD(channel_getptr, esschan_getptr), 651 KOBJMETHOD(channel_getcaps, esschan_getcaps), 652 { 0, 0 } 653 }; 654 CHANNEL_DECLARE(esschan); 655 656 /************************************************************/ 657 658 static int 659 essmix_init(struct snd_mixer *m) 660 { 661 struct ess_info *sc = mix_getdevinfo(m); 662 663 mix_setrecdevs(m, SOUND_MASK_CD | SOUND_MASK_MIC | SOUND_MASK_LINE | 664 SOUND_MASK_IMIX); 665 666 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_LINE | 667 SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_VOLUME | 668 SOUND_MASK_LINE1 | SOUND_MASK_SPEAKER); 669 670 ess_setmixer(sc, 0, 0); /* reset */ 671 672 return 0; 673 } 674 675 static int 676 essmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) 677 { 678 struct ess_info *sc = mix_getdevinfo(m); 679 int preg = 0, rreg = 0, l, r; 680 681 l = (left * 15) / 100; 682 r = (right * 15) / 100; 683 switch (dev) { 684 case SOUND_MIXER_SYNTH: 685 preg = 0x36; 686 rreg = 0x6b; 687 break; 688 689 case SOUND_MIXER_PCM: 690 preg = 0x14; 691 rreg = 0x7c; 692 break; 693 694 case SOUND_MIXER_LINE: 695 preg = 0x3e; 696 rreg = 0x6e; 697 break; 698 699 case SOUND_MIXER_MIC: 700 preg = 0x1a; 701 rreg = 0x68; 702 break; 703 704 case SOUND_MIXER_LINE1: 705 preg = 0x3a; 706 rreg = 0x6c; 707 break; 708 709 case SOUND_MIXER_CD: 710 preg = 0x38; 711 rreg = 0x6a; 712 break; 713 714 case SOUND_MIXER_SPEAKER: 715 preg = 0x3c; 716 break; 717 718 case SOUND_MIXER_VOLUME: 719 l = left? (left * 63) / 100 : 64; 720 r = right? (right * 63) / 100 : 64; 721 ess_setmixer(sc, 0x60, l); 722 ess_setmixer(sc, 0x62, r); 723 left = (l == 64)? 0 : (l * 100) / 63; 724 right = (r == 64)? 0 : (r * 100) / 63; 725 return left | (right << 8); 726 } 727 728 if (preg) 729 ess_setmixer(sc, preg, (l << 4) | r); 730 if (rreg) 731 ess_setmixer(sc, rreg, (l << 4) | r); 732 733 left = (l * 100) / 15; 734 right = (r * 100) / 15; 735 736 return left | (right << 8); 737 } 738 739 static int 740 essmix_setrecsrc(struct snd_mixer *m, u_int32_t src) 741 { 742 struct ess_info *sc = mix_getdevinfo(m); 743 u_char recdev; 744 745 switch (src) { 746 case SOUND_MASK_CD: 747 recdev = 0x02; 748 break; 749 750 case SOUND_MASK_LINE: 751 recdev = 0x06; 752 break; 753 754 case SOUND_MASK_IMIX: 755 recdev = 0x05; 756 break; 757 758 case SOUND_MASK_MIC: 759 default: 760 recdev = 0x00; 761 src = SOUND_MASK_MIC; 762 break; 763 } 764 765 ess_setmixer(sc, 0x1c, recdev); 766 767 return src; 768 } 769 770 static kobj_method_t essmixer_methods[] = { 771 KOBJMETHOD(mixer_init, essmix_init), 772 KOBJMETHOD(mixer_set, essmix_set), 773 KOBJMETHOD(mixer_setrecsrc, essmix_setrecsrc), 774 { 0, 0 } 775 }; 776 MIXER_DECLARE(essmixer); 777 778 /************************************************************/ 779 780 static int 781 ess_probe(device_t dev) 782 { 783 uintptr_t func, ver, r, f; 784 785 /* The parent device has already been probed. */ 786 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func); 787 if (func != SCF_PCM) 788 return (ENXIO); 789 790 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); 791 f = (ver & 0xffff0000) >> 16; 792 if (!(f & BD_F_ESS)) 793 return (ENXIO); 794 795 device_set_desc(dev, "ESS 18xx DSP"); 796 797 return 0; 798 } 799 800 static int 801 ess_attach(device_t dev) 802 { 803 struct ess_info *sc; 804 char status[SND_STATUSLEN], buf[64]; 805 int ver; 806 807 sc = (struct ess_info *)malloc(sizeof *sc, M_DEVBUF, M_NOWAIT | M_ZERO); 808 if (!sc) 809 return ENXIO; 810 811 sc->parent_dev = device_get_parent(dev); 812 sc->bufsize = pcm_getbuffersize(dev, 4096, ESS_BUFFSIZE, 65536); 813 if (ess_alloc_resources(sc, dev)) 814 goto no; 815 if (ess_reset_dsp(sc)) 816 goto no; 817 if (mixer_init(dev, &essmixer_class, sc)) 818 goto no; 819 820 sc->duplex = 0; 821 sc->newspeed = 0; 822 ver = (ess_getmixer(sc, 0x40) << 8) | ess_rd(sc, SB_MIX_DATA); 823 snprintf(buf, sizeof buf, "ESS %x DSP", ver); 824 device_set_desc_copy(dev, buf); 825 if (bootverbose) 826 device_printf(dev, "ESS%x detected", ver); 827 828 switch (ver) { 829 case 0x1869: 830 case 0x1879: 831 #ifdef ESS18XX_DUPLEX 832 sc->duplex = sc->drq2? 1 : 0; 833 #endif 834 #ifdef ESS18XX_NEWSPEED 835 sc->newspeed = 1; 836 #endif 837 break; 838 } 839 if (bootverbose) 840 printf("%s%s\n", sc->duplex? ", duplex" : "", 841 sc->newspeed? ", newspeed" : ""); 842 843 if (sc->newspeed) 844 ess_setmixer(sc, 0x71, 0x22); 845 846 snd_setup_intr(dev, sc->irq, INTR_MPSAFE, ess_intr, sc, &sc->ih); 847 if (!sc->duplex) 848 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 849 850 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, 851 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 852 /*highaddr*/BUS_SPACE_MAXADDR, 853 /*filter*/NULL, /*filterarg*/NULL, 854 /*maxsize*/sc->bufsize, /*nsegments*/1, 855 /*maxsegz*/0x3ffff, 856 /*flags*/0, &sc->parent_dmat) != 0) { 857 device_printf(dev, "unable to create dma tag\n"); 858 goto no; 859 } 860 861 if (sc->drq2) 862 snprintf(buf, SND_STATUSLEN, ":%ld", rman_get_start(sc->drq2)); 863 else 864 buf[0] = '\0'; 865 866 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %u", 867 rman_get_start(sc->io_base), rman_get_start(sc->irq), 868 rman_get_start(sc->drq1), buf, sc->bufsize); 869 870 if (pcm_register(dev, sc, 1, 1)) 871 goto no; 872 pcm_addchan(dev, PCMDIR_REC, &esschan_class, sc); 873 pcm_addchan(dev, PCMDIR_PLAY, &esschan_class, sc); 874 pcm_setstatus(dev, status); 875 876 return 0; 877 878 no: 879 ess_release_resources(sc, dev); 880 return ENXIO; 881 } 882 883 static int 884 ess_detach(device_t dev) 885 { 886 int r; 887 struct ess_info *sc; 888 889 r = pcm_unregister(dev); 890 if (r) 891 return r; 892 893 sc = pcm_getdevinfo(dev); 894 ess_release_resources(sc, dev); 895 return 0; 896 } 897 898 static int 899 ess_resume(device_t dev) 900 { 901 struct ess_info *sc; 902 903 sc = pcm_getdevinfo(dev); 904 905 if (ess_reset_dsp(sc)) { 906 device_printf(dev, "unable to reset DSP at resume\n"); 907 return ENXIO; 908 } 909 910 if (mixer_reinit(dev)) { 911 device_printf(dev, "unable to reinitialize mixer at resume\n"); 912 return ENXIO; 913 } 914 915 return 0; 916 } 917 918 static device_method_t ess_methods[] = { 919 /* Device interface */ 920 DEVMETHOD(device_probe, ess_probe), 921 DEVMETHOD(device_attach, ess_attach), 922 DEVMETHOD(device_detach, ess_detach), 923 DEVMETHOD(device_resume, ess_resume), 924 925 { 0, 0 } 926 }; 927 928 static driver_t ess_driver = { 929 "pcm", 930 ess_methods, 931 PCM_SOFTC_SIZE, 932 }; 933 934 DRIVER_MODULE(snd_ess, sbc, ess_driver, pcm_devclass, 0, 0); 935 MODULE_DEPEND(snd_ess, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); 936 MODULE_DEPEND(snd_ess, snd_sbc, 1, 1, 1); 937 MODULE_VERSION(snd_ess, 1); 938 939 /************************************************************/ 940 941 static devclass_t esscontrol_devclass; 942 943 static struct isa_pnp_id essc_ids[] = { 944 {0x06007316, "ESS Control"}, 945 {0} 946 }; 947 948 static int 949 esscontrol_probe(device_t dev) 950 { 951 int i; 952 953 i = ISA_PNP_PROBE(device_get_parent(dev), dev, essc_ids); 954 if (i == 0) 955 device_quiet(dev); 956 return i; 957 } 958 959 static int 960 esscontrol_attach(device_t dev) 961 { 962 #ifdef notyet 963 struct resource *io; 964 int rid, i, x; 965 966 rid = 0; 967 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); 968 x = 0; 969 for (i = 0; i < 0x100; i++) { 970 port_wr(io, 0, i); 971 x = port_rd(io, 1); 972 if ((i & 0x0f) == 0) 973 printf("%3.3x: ", i); 974 printf("%2.2x ", x); 975 if ((i & 0x0f) == 0x0f) 976 printf("\n"); 977 } 978 bus_release_resource(dev, SYS_RES_IOPORT, 0, io); 979 io = NULL; 980 #endif 981 982 return 0; 983 } 984 985 static int 986 esscontrol_detach(device_t dev) 987 { 988 return 0; 989 } 990 991 static device_method_t esscontrol_methods[] = { 992 /* Device interface */ 993 DEVMETHOD(device_probe, esscontrol_probe), 994 DEVMETHOD(device_attach, esscontrol_attach), 995 DEVMETHOD(device_detach, esscontrol_detach), 996 997 { 0, 0 } 998 }; 999 1000 static driver_t esscontrol_driver = { 1001 "esscontrol", 1002 esscontrol_methods, 1003 1, 1004 }; 1005 1006 DRIVER_MODULE(esscontrol, isa, esscontrol_driver, esscontrol_devclass, 0, 0); 1007
Cache object: fbc3210b9e990e4574d6900a23584cb2
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