1 /*- 2 * Copyright (c) 2001 Orion Hodson <oho@acm.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THEPOSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/dev/sound/pci/als4000.c,v 1.18.2.1 2005/12/30 19:55:53 netchild Exp $ 27 */ 28 29 /* 30 * als4000.c - driver for the Avance Logic ALS 4000 chipset. 31 * 32 * The ALS4000 is effectively an SB16 with a PCI interface. 33 * 34 * This driver derives from ALS4000a.PDF, Bart Hartgers alsa driver, and 35 * SB16 register descriptions. 36 */ 37 38 #include <dev/sound/pcm/sound.h> 39 #include <dev/sound/pci/sb.h> 40 #include <dev/sound/pci/als4000.h> 41 42 #include <bus/pci/pcireg.h> 43 #include <bus/pci/pcivar.h> 44 45 #include "mixer_if.h" 46 47 /* Debugging macro's */ 48 #undef DEB 49 #ifndef DEB 50 #define DEB(x) /* x */ 51 #endif /* DEB */ 52 53 #define ALS_DEFAULT_BUFSZ 16384 54 55 /* ------------------------------------------------------------------------- */ 56 /* Structures */ 57 58 struct sc_info; 59 60 struct sc_chinfo { 61 struct sc_info *parent; 62 struct pcm_channel *channel; 63 struct snd_dbuf *buffer; 64 u_int32_t format, speed, phys_buf, bps; 65 u_int32_t dma_active:1, dma_was_active:1; 66 u_int8_t gcr_fifo_status; 67 int dir; 68 }; 69 70 struct sc_info { 71 device_t dev; 72 bus_space_tag_t st; 73 bus_space_handle_t sh; 74 bus_dma_tag_t parent_dmat; 75 struct resource *reg, *irq; 76 int regid, irqid; 77 void *ih; 78 sndlock_t lock; 79 80 unsigned int bufsz; 81 struct sc_chinfo pch, rch; 82 }; 83 84 /* Channel caps */ 85 86 static u_int32_t als_format[] = { 87 AFMT_U8, 88 AFMT_STEREO | AFMT_U8, 89 AFMT_S16_LE, 90 AFMT_STEREO | AFMT_S16_LE, 91 0 92 }; 93 94 /* 95 * I don't believe this rotten soundcard can do 48k, really, 96 * trust me. 97 */ 98 static struct pcmchan_caps als_caps = { 4000, 44100, als_format, 0 }; 99 100 /* ------------------------------------------------------------------------- */ 101 /* Register Utilities */ 102 103 static u_int32_t 104 als_gcr_rd(struct sc_info *sc, int index) 105 { 106 bus_space_write_1(sc->st, sc->sh, ALS_GCR_INDEX, index); 107 return bus_space_read_4(sc->st, sc->sh, ALS_GCR_DATA); 108 } 109 110 static void 111 als_gcr_wr(struct sc_info *sc, int index, int data) 112 { 113 bus_space_write_1(sc->st, sc->sh, ALS_GCR_INDEX, index); 114 bus_space_write_4(sc->st, sc->sh, ALS_GCR_DATA, data); 115 } 116 117 static u_int8_t 118 als_intr_rd(struct sc_info *sc) 119 { 120 return bus_space_read_1(sc->st, sc->sh, ALS_SB_MPU_IRQ); 121 } 122 123 static void 124 als_intr_wr(struct sc_info *sc, u_int8_t data) 125 { 126 bus_space_write_1(sc->st, sc->sh, ALS_SB_MPU_IRQ, data); 127 } 128 129 static u_int8_t 130 als_mix_rd(struct sc_info *sc, u_int8_t index) 131 { 132 bus_space_write_1(sc->st, sc->sh, ALS_MIXER_INDEX, index); 133 return bus_space_read_1(sc->st, sc->sh, ALS_MIXER_DATA); 134 } 135 136 static void 137 als_mix_wr(struct sc_info *sc, u_int8_t index, u_int8_t data) 138 { 139 bus_space_write_1(sc->st, sc->sh, ALS_MIXER_INDEX, index); 140 bus_space_write_1(sc->st, sc->sh, ALS_MIXER_DATA, data); 141 } 142 143 static void 144 als_esp_wr(struct sc_info *sc, u_int8_t data) 145 { 146 u_int32_t tries, v; 147 148 tries = 1000; 149 do { 150 v = bus_space_read_1(sc->st, sc->sh, ALS_ESP_WR_STATUS); 151 if (~v & 0x80) 152 break; 153 DELAY(20); 154 } while (--tries != 0); 155 156 if (tries == 0) 157 device_printf(sc->dev, "als_esp_wr timeout"); 158 159 bus_space_write_1(sc->st, sc->sh, ALS_ESP_WR_DATA, data); 160 } 161 162 static int 163 als_esp_reset(struct sc_info *sc) 164 { 165 u_int32_t tries, u, v; 166 167 bus_space_write_1(sc->st, sc->sh, ALS_ESP_RST, 1); 168 DELAY(10); 169 bus_space_write_1(sc->st, sc->sh, ALS_ESP_RST, 0); 170 DELAY(30); 171 172 tries = 1000; 173 do { 174 u = bus_space_read_1(sc->st, sc->sh, ALS_ESP_RD_STATUS8); 175 if (u & 0x80) { 176 v = bus_space_read_1(sc->st, sc->sh, ALS_ESP_RD_DATA); 177 if (v == 0xaa) 178 return 0; 179 else 180 break; 181 } 182 DELAY(20); 183 } while (--tries != 0); 184 185 if (tries == 0) 186 device_printf(sc->dev, "als_esp_reset timeout"); 187 return 1; 188 } 189 190 static u_int8_t 191 als_ack_read(struct sc_info *sc, u_int8_t addr) 192 { 193 u_int8_t r = bus_space_read_1(sc->st, sc->sh, addr); 194 return r; 195 } 196 197 /* ------------------------------------------------------------------------- */ 198 /* Common pcm channel implementation */ 199 200 static void * 201 alschan_init(kobj_t obj, void *devinfo, 202 struct snd_dbuf *b, struct pcm_channel *c, int dir) 203 { 204 struct sc_info *sc = devinfo; 205 struct sc_chinfo *ch; 206 207 snd_mtxlock(sc->lock); 208 if (dir == PCMDIR_PLAY) { 209 ch = &sc->pch; 210 ch->gcr_fifo_status = ALS_GCR_FIFO0_STATUS; 211 } else { 212 ch = &sc->rch; 213 ch->gcr_fifo_status = ALS_GCR_FIFO1_STATUS; 214 } 215 ch->dir = dir; 216 ch->parent = sc; 217 ch->channel = c; 218 ch->bps = 1; 219 ch->format = AFMT_U8; 220 ch->speed = DSP_DEFAULT_SPEED; 221 ch->buffer = b; 222 snd_mtxunlock(sc->lock); 223 224 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, sc->bufsz) != 0) 225 return NULL; 226 227 return ch; 228 } 229 230 static int 231 alschan_setformat(kobj_t obj, void *data, u_int32_t format) 232 { 233 struct sc_chinfo *ch = data; 234 235 ch->format = format; 236 return 0; 237 } 238 239 static int 240 alschan_setspeed(kobj_t obj, void *data, u_int32_t speed) 241 { 242 struct sc_chinfo *ch = data, *other; 243 struct sc_info *sc = ch->parent; 244 245 other = (ch->dir == PCMDIR_PLAY) ? &sc->rch : &sc->pch; 246 247 /* Deny request if other dma channel is active */ 248 if (other->dma_active) { 249 ch->speed = other->speed; 250 return other->speed; 251 } 252 253 ch->speed = speed; 254 return speed; 255 } 256 257 static int 258 alschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 259 { 260 struct sc_chinfo *ch = data; 261 struct sc_info *sc = ch->parent; 262 263 if (blocksize > sc->bufsz / 2) { 264 blocksize = sc->bufsz / 2; 265 } 266 sndbuf_resize(ch->buffer, 2, blocksize); 267 return blocksize; 268 } 269 270 static int 271 alschan_getptr(kobj_t obj, void *data) 272 { 273 struct sc_chinfo *ch = data; 274 struct sc_info *sc = ch->parent; 275 int32_t pos, sz; 276 277 snd_mtxlock(sc->lock); 278 pos = als_gcr_rd(ch->parent, ch->gcr_fifo_status) & 0xffff; 279 snd_mtxunlock(sc->lock); 280 sz = sndbuf_getsize(ch->buffer); 281 return (2 * sz - pos - 1) % sz; 282 } 283 284 static struct pcmchan_caps* 285 alschan_getcaps(kobj_t obj, void *data) 286 { 287 return &als_caps; 288 } 289 290 static void 291 als_set_speed(struct sc_chinfo *ch) 292 { 293 struct sc_info *sc = ch->parent; 294 struct sc_chinfo *other; 295 296 other = (ch->dir == PCMDIR_PLAY) ? &sc->rch : &sc->pch; 297 if (other->dma_active == 0) { 298 als_esp_wr(sc, ALS_ESP_SAMPLE_RATE); 299 als_esp_wr(sc, ch->speed >> 8); 300 als_esp_wr(sc, ch->speed & 0xff); 301 } else { 302 DEB(kprintf("speed locked at %d (tried %d)\n", 303 other->speed, ch->speed)); 304 } 305 } 306 307 /* ------------------------------------------------------------------------- */ 308 /* Playback channel implementation */ 309 310 #define ALS_8BIT_CMD(x, y) { (x), (y), DSP_DMA8, DSP_CMD_DMAPAUSE_8 } 311 #define ALS_16BIT_CMD(x, y) { (x), (y), DSP_DMA16, DSP_CMD_DMAPAUSE_16 } 312 313 static const struct playback_command { 314 u_int32_t pcm_format; /* newpcm format */ 315 u_int8_t format_val; /* sb16 format value */ 316 u_int8_t dma_prog; /* sb16 dma program */ 317 u_int8_t dma_stop; /* sb16 stop register */ 318 } playback_cmds[] = { 319 ALS_8BIT_CMD(AFMT_U8, DSP_MODE_U8MONO), 320 ALS_8BIT_CMD(AFMT_U8 | AFMT_STEREO, DSP_MODE_U8STEREO), 321 ALS_16BIT_CMD(AFMT_S16_LE, DSP_MODE_S16MONO), 322 ALS_16BIT_CMD(AFMT_S16_LE | AFMT_STEREO, DSP_MODE_S16STEREO), 323 }; 324 325 static const struct playback_command* 326 als_get_playback_command(u_int32_t format) 327 { 328 u_int32_t i, n; 329 330 n = NELEM(playback_cmds); 331 for (i = 0; i < n; i++) { 332 if (playback_cmds[i].pcm_format == format) { 333 return &playback_cmds[i]; 334 } 335 } 336 DEB(kprintf("als_get_playback_command: invalid format 0x%08x\n", 337 format)); 338 return &playback_cmds[0]; 339 } 340 341 static void 342 als_playback_start(struct sc_chinfo *ch) 343 { 344 const struct playback_command *p; 345 struct sc_info *sc = ch->parent; 346 u_int32_t buf, bufsz, count, dma_prog; 347 348 buf = sndbuf_getbufaddr(ch->buffer); 349 bufsz = sndbuf_getsize(ch->buffer); 350 count = bufsz / 2; 351 if (ch->format & AFMT_16BIT) 352 count /= 2; 353 count--; 354 355 als_esp_wr(sc, DSP_CMD_SPKON); 356 als_set_speed(ch); 357 358 als_gcr_wr(sc, ALS_GCR_DMA0_START, buf); 359 als_gcr_wr(sc, ALS_GCR_DMA0_MODE, (bufsz - 1) | 0x180000); 360 361 p = als_get_playback_command(ch->format); 362 dma_prog = p->dma_prog | DSP_F16_DAC | DSP_F16_AUTO | DSP_F16_FIFO_ON; 363 364 als_esp_wr(sc, dma_prog); 365 als_esp_wr(sc, p->format_val); 366 als_esp_wr(sc, count & 0xff); 367 als_esp_wr(sc, count >> 8); 368 369 ch->dma_active = 1; 370 } 371 372 static int 373 als_playback_stop(struct sc_chinfo *ch) 374 { 375 const struct playback_command *p; 376 struct sc_info *sc = ch->parent; 377 u_int32_t active; 378 379 active = ch->dma_active; 380 if (active) { 381 p = als_get_playback_command(ch->format); 382 als_esp_wr(sc, p->dma_stop); 383 } 384 ch->dma_active = 0; 385 return active; 386 } 387 388 static int 389 alspchan_trigger(kobj_t obj, void *data, int go) 390 { 391 struct sc_chinfo *ch = data; 392 struct sc_info *sc = ch->parent; 393 394 snd_mtxlock(sc->lock); 395 switch(go) { 396 case PCMTRIG_START: 397 als_playback_start(ch); 398 break; 399 case PCMTRIG_ABORT: 400 als_playback_stop(ch); 401 break; 402 } 403 snd_mtxunlock(sc->lock); 404 return 0; 405 } 406 407 static kobj_method_t alspchan_methods[] = { 408 KOBJMETHOD(channel_init, alschan_init), 409 KOBJMETHOD(channel_setformat, alschan_setformat), 410 KOBJMETHOD(channel_setspeed, alschan_setspeed), 411 KOBJMETHOD(channel_setblocksize, alschan_setblocksize), 412 KOBJMETHOD(channel_trigger, alspchan_trigger), 413 KOBJMETHOD(channel_getptr, alschan_getptr), 414 KOBJMETHOD(channel_getcaps, alschan_getcaps), 415 KOBJMETHOD_END 416 }; 417 CHANNEL_DECLARE(alspchan); 418 419 /* ------------------------------------------------------------------------- */ 420 /* Capture channel implementation */ 421 422 static u_int8_t 423 als_get_fifo_format(struct sc_info *sc, u_int32_t format) 424 { 425 switch (format) { 426 case AFMT_U8: 427 return ALS_FIFO1_8BIT; 428 case AFMT_U8 | AFMT_STEREO: 429 return ALS_FIFO1_8BIT | ALS_FIFO1_STEREO; 430 case AFMT_S16_LE: 431 return ALS_FIFO1_SIGNED; 432 case AFMT_S16_LE | AFMT_STEREO: 433 return ALS_FIFO1_SIGNED | ALS_FIFO1_STEREO; 434 } 435 device_printf(sc->dev, "format not found: 0x%08x\n", format); 436 return ALS_FIFO1_8BIT; 437 } 438 439 static void 440 als_capture_start(struct sc_chinfo *ch) 441 { 442 struct sc_info *sc = ch->parent; 443 u_int32_t buf, bufsz, count, dma_prog; 444 445 buf = sndbuf_getbufaddr(ch->buffer); 446 bufsz = sndbuf_getsize(ch->buffer); 447 count = bufsz / 2; 448 if (ch->format & AFMT_16BIT) 449 count /= 2; 450 count--; 451 452 als_esp_wr(sc, DSP_CMD_SPKON); 453 als_set_speed(ch); 454 455 als_gcr_wr(sc, ALS_GCR_FIFO1_START, buf); 456 als_gcr_wr(sc, ALS_GCR_FIFO1_COUNT, (bufsz - 1)); 457 458 als_mix_wr(sc, ALS_FIFO1_LENGTH_LO, count & 0xff); 459 als_mix_wr(sc, ALS_FIFO1_LENGTH_HI, count >> 8); 460 461 dma_prog = ALS_FIFO1_RUN | als_get_fifo_format(sc, ch->format); 462 als_mix_wr(sc, ALS_FIFO1_CONTROL, dma_prog); 463 464 ch->dma_active = 1; 465 } 466 467 static int 468 als_capture_stop(struct sc_chinfo *ch) 469 { 470 struct sc_info *sc = ch->parent; 471 u_int32_t active; 472 473 active = ch->dma_active; 474 if (active) { 475 als_mix_wr(sc, ALS_FIFO1_CONTROL, ALS_FIFO1_STOP); 476 } 477 ch->dma_active = 0; 478 return active; 479 } 480 481 static int 482 alsrchan_trigger(kobj_t obj, void *data, int go) 483 { 484 struct sc_chinfo *ch = data; 485 struct sc_info *sc = ch->parent; 486 487 snd_mtxlock(sc->lock); 488 switch(go) { 489 case PCMTRIG_START: 490 als_capture_start(ch); 491 break; 492 case PCMTRIG_ABORT: 493 als_capture_stop(ch); 494 break; 495 } 496 snd_mtxunlock(sc->lock); 497 return 0; 498 } 499 500 static kobj_method_t alsrchan_methods[] = { 501 KOBJMETHOD(channel_init, alschan_init), 502 KOBJMETHOD(channel_setformat, alschan_setformat), 503 KOBJMETHOD(channel_setspeed, alschan_setspeed), 504 KOBJMETHOD(channel_setblocksize, alschan_setblocksize), 505 KOBJMETHOD(channel_trigger, alsrchan_trigger), 506 KOBJMETHOD(channel_getptr, alschan_getptr), 507 KOBJMETHOD(channel_getcaps, alschan_getcaps), 508 KOBJMETHOD_END 509 }; 510 CHANNEL_DECLARE(alsrchan); 511 512 /* ------------------------------------------------------------------------- */ 513 /* Mixer related */ 514 515 /* 516 * ALS4000 has an sb16 mixer, with some additional controls that we do 517 * not yet a means to support. 518 */ 519 520 static const struct sb16props { 521 u_int8_t lreg; 522 u_int8_t rreg; 523 u_int8_t bits; 524 u_int8_t oselect; 525 u_int8_t iselect; /* left input mask */ 526 } amt[SOUND_MIXER_NRDEVICES] = { 527 [SOUND_MIXER_VOLUME] = { 0x30, 0x31, 5, 0x00, 0x00 }, 528 [SOUND_MIXER_PCM] = { 0x32, 0x33, 5, 0x00, 0x00 }, 529 [SOUND_MIXER_SYNTH] = { 0x34, 0x35, 5, 0x60, 0x40 }, 530 [SOUND_MIXER_CD] = { 0x36, 0x37, 5, 0x06, 0x04 }, 531 [SOUND_MIXER_LINE] = { 0x38, 0x39, 5, 0x18, 0x10 }, 532 [SOUND_MIXER_MIC] = { 0x3a, 0x00, 5, 0x01, 0x01 }, 533 [SOUND_MIXER_SPEAKER] = { 0x3b, 0x00, 2, 0x00, 0x00 }, 534 [SOUND_MIXER_IGAIN] = { 0x3f, 0x40, 2, 0x00, 0x00 }, 535 [SOUND_MIXER_OGAIN] = { 0x41, 0x42, 2, 0x00, 0x00 }, 536 /* The following have register values but no h/w implementation */ 537 [SOUND_MIXER_TREBLE] = { 0x44, 0x45, 4, 0x00, 0x00 }, 538 [SOUND_MIXER_BASS] = { 0x46, 0x47, 4, 0x00, 0x00 } 539 }; 540 541 static int 542 alsmix_init(struct snd_mixer *m) 543 { 544 u_int32_t i, v; 545 546 for (i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) { 547 if (amt[i].bits) v |= 1 << i; 548 } 549 mix_setdevs(m, v); 550 551 for (i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) { 552 if (amt[i].iselect) v |= 1 << i; 553 } 554 mix_setrecdevs(m, v); 555 return 0; 556 } 557 558 static int 559 alsmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) 560 { 561 struct sc_info *sc = mix_getdevinfo(m); 562 u_int32_t r, l, v, mask; 563 564 /* Fill upper n bits in mask with 1's */ 565 mask = ((1 << amt[dev].bits) - 1) << (8 - amt[dev].bits); 566 567 l = (left * mask / 100) & mask; 568 v = als_mix_rd(sc, amt[dev].lreg) & ~mask; 569 als_mix_wr(sc, amt[dev].lreg, l | v); 570 571 if (amt[dev].rreg) { 572 r = (right * mask / 100) & mask; 573 v = als_mix_rd(sc, amt[dev].rreg) & ~mask; 574 als_mix_wr(sc, amt[dev].rreg, r | v); 575 } else { 576 r = 0; 577 } 578 579 /* Zero gain does not mute channel from output, but this does. */ 580 v = als_mix_rd(sc, SB16_OMASK); 581 if (l == 0 && r == 0) { 582 v &= ~amt[dev].oselect; 583 } else { 584 v |= amt[dev].oselect; 585 } 586 als_mix_wr(sc, SB16_OMASK, v); 587 return 0; 588 } 589 590 static int 591 alsmix_setrecsrc(struct snd_mixer *m, u_int32_t src) 592 { 593 struct sc_info *sc = mix_getdevinfo(m); 594 u_int32_t i, l, r; 595 596 for (i = l = r = 0; i < SOUND_MIXER_NRDEVICES; i++) { 597 if (src & (1 << i)) { 598 if (amt[i].iselect == 1) { /* microphone */ 599 l |= amt[i].iselect; 600 r |= amt[i].iselect; 601 } else { 602 l |= amt[i].iselect; 603 r |= amt[i].iselect >> 1; 604 } 605 } 606 } 607 608 als_mix_wr(sc, SB16_IMASK_L, l); 609 als_mix_wr(sc, SB16_IMASK_R, r); 610 return src; 611 } 612 613 static kobj_method_t als_mixer_methods[] = { 614 KOBJMETHOD(mixer_init, alsmix_init), 615 KOBJMETHOD(mixer_set, alsmix_set), 616 KOBJMETHOD(mixer_setrecsrc, alsmix_setrecsrc), 617 KOBJMETHOD_END 618 }; 619 MIXER_DECLARE(als_mixer); 620 621 /* ------------------------------------------------------------------------- */ 622 /* Interrupt Handler */ 623 624 static void 625 als_intr(void *p) 626 { 627 struct sc_info *sc = (struct sc_info *)p; 628 u_int8_t intr, sb_status; 629 630 snd_mtxlock(sc->lock); 631 intr = als_intr_rd(sc); 632 633 if (intr & 0x80) { 634 snd_mtxunlock(sc->lock); 635 chn_intr(sc->pch.channel); 636 snd_mtxlock(sc->lock); 637 } 638 639 if (intr & 0x40) { 640 snd_mtxunlock(sc->lock); 641 chn_intr(sc->rch.channel); 642 snd_mtxlock(sc->lock); 643 } 644 645 /* ACK interrupt in PCI core */ 646 als_intr_wr(sc, intr); 647 648 /* ACK interrupt in SB core */ 649 sb_status = als_mix_rd(sc, IRQ_STAT); 650 651 if (sb_status & ALS_IRQ_STATUS8) 652 als_ack_read(sc, ALS_ESP_RD_STATUS8); 653 if (sb_status & ALS_IRQ_STATUS16) 654 als_ack_read(sc, ALS_ESP_RD_STATUS16); 655 if (sb_status & ALS_IRQ_MPUIN) 656 als_ack_read(sc, ALS_MIDI_DATA); 657 if (sb_status & ALS_IRQ_CR1E) 658 als_ack_read(sc, ALS_CR1E_ACK_PORT); 659 660 snd_mtxunlock(sc->lock); 661 return; 662 } 663 664 /* ------------------------------------------------------------------------- */ 665 /* H/W initialization */ 666 667 static int 668 als_init(struct sc_info *sc) 669 { 670 u_int32_t i, v; 671 672 /* Reset Chip */ 673 if (als_esp_reset(sc)) { 674 return 1; 675 } 676 677 /* Enable write on DMA_SETUP register */ 678 v = als_mix_rd(sc, ALS_SB16_CONFIG); 679 als_mix_wr(sc, ALS_SB16_CONFIG, v | 0x80); 680 681 /* Select DMA0 */ 682 als_mix_wr(sc, ALS_SB16_DMA_SETUP, 0x01); 683 684 /* Disable write on DMA_SETUP register */ 685 als_mix_wr(sc, ALS_SB16_CONFIG, v & 0x7f); 686 687 /* Enable interrupts */ 688 v = als_gcr_rd(sc, ALS_GCR_MISC); 689 als_gcr_wr(sc, ALS_GCR_MISC, v | 0x28000); 690 691 /* Black out GCR DMA registers */ 692 for (i = 0x91; i <= 0x96; i++) { 693 als_gcr_wr(sc, i, 0); 694 } 695 696 /* Emulation mode */ 697 v = als_gcr_rd(sc, ALS_GCR_DMA_EMULATION); 698 als_gcr_wr(sc, ALS_GCR_DMA_EMULATION, v); 699 DEB(kprintf("GCR_DMA_EMULATION 0x%08x\n", v)); 700 return 0; 701 } 702 703 static void 704 als_uninit(struct sc_info *sc) 705 { 706 /* Disable interrupts */ 707 als_gcr_wr(sc, ALS_GCR_MISC, 0); 708 } 709 710 /* ------------------------------------------------------------------------- */ 711 /* Probe and attach card */ 712 713 static int 714 als_pci_probe(device_t dev) 715 { 716 if (pci_get_devid(dev) == ALS_PCI_ID0) { 717 device_set_desc(dev, "Avance Logic ALS4000"); 718 return BUS_PROBE_DEFAULT; 719 } 720 return ENXIO; 721 } 722 723 static void 724 als_resource_free(device_t dev, struct sc_info *sc) 725 { 726 if (sc->reg) { 727 bus_release_resource(dev, SYS_RES_IOPORT, sc->regid, sc->reg); 728 sc->reg = NULL; 729 } 730 if (sc->ih) { 731 bus_teardown_intr(dev, sc->irq, sc->ih); 732 sc->ih = NULL; 733 } 734 if (sc->irq) { 735 bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq); 736 sc->irq = NULL; 737 } 738 if (sc->parent_dmat) { 739 bus_dma_tag_destroy(sc->parent_dmat); 740 sc->parent_dmat = 0; 741 } 742 if (sc->lock) { 743 snd_mtxfree(sc->lock); 744 sc->lock = NULL; 745 } 746 } 747 748 static int 749 als_resource_grab(device_t dev, struct sc_info *sc) 750 { 751 sc->regid = PCIR_BAR(0); 752 sc->reg = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->regid, 0, ~0, 753 ALS_CONFIG_SPACE_BYTES, RF_ACTIVE); 754 if (sc->reg == NULL) { 755 device_printf(dev, "unable to allocate register space\n"); 756 goto bad; 757 } 758 sc->st = rman_get_bustag(sc->reg); 759 sc->sh = rman_get_bushandle(sc->reg); 760 761 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqid, 762 RF_ACTIVE | RF_SHAREABLE); 763 if (sc->irq == NULL) { 764 device_printf(dev, "unable to allocate interrupt\n"); 765 goto bad; 766 } 767 768 if (snd_setup_intr(dev, sc->irq, INTR_MPSAFE, als_intr, 769 sc, &sc->ih)) { 770 device_printf(dev, "unable to setup interrupt\n"); 771 goto bad; 772 } 773 774 sc->bufsz = pcm_getbuffersize(dev, 4096, ALS_DEFAULT_BUFSZ, 65536); 775 776 if (bus_dma_tag_create(/*parent*/NULL, 777 /*alignment*/2, /*boundary*/0, 778 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 779 /*highaddr*/BUS_SPACE_MAXADDR, 780 /*filter*/NULL, /*filterarg*/NULL, 781 /*maxsize*/sc->bufsz, 782 /*nsegments*/1, /*maxsegz*/0x3ffff, 783 /*flags*/0, 784 &sc->parent_dmat) != 0) { 785 device_printf(dev, "unable to create dma tag\n"); 786 goto bad; 787 } 788 return 0; 789 bad: 790 als_resource_free(dev, sc); 791 return ENXIO; 792 } 793 794 static int 795 als_pci_attach(device_t dev) 796 { 797 struct sc_info *sc; 798 u_int32_t data; 799 char status[SND_STATUSLEN]; 800 801 sc = kmalloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO); 802 sc->lock = snd_mtxcreate(device_get_nameunit(dev), "sound softc"); 803 sc->dev = dev; 804 805 data = pci_read_config(dev, PCIR_COMMAND, 2); 806 data |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN); 807 pci_write_config(dev, PCIR_COMMAND, data, 2); 808 /* 809 * By default the power to the various components on the 810 * ALS4000 is entirely controlled by the pci powerstate. We 811 * could attempt finer grained control by setting GCR6.31. 812 */ 813 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) { 814 /* Reset the power state. */ 815 device_printf(dev, "chip is in D%d power mode " 816 "-- setting to D0\n", pci_get_powerstate(dev)); 817 pci_set_powerstate(dev, PCI_POWERSTATE_D0); 818 } 819 820 if (als_resource_grab(dev, sc)) { 821 device_printf(dev, "failed to allocate resources\n"); 822 goto bad_attach; 823 } 824 825 if (als_init(sc)) { 826 device_printf(dev, "failed to initialize hardware\n"); 827 goto bad_attach; 828 } 829 830 if (mixer_init(dev, &als_mixer_class, sc)) { 831 device_printf(dev, "failed to initialize mixer\n"); 832 goto bad_attach; 833 } 834 835 if (pcm_register(dev, sc, 1, 1)) { 836 device_printf(dev, "failed to register pcm entries\n"); 837 goto bad_attach; 838 } 839 840 pcm_addchan(dev, PCMDIR_PLAY, &alspchan_class, sc); 841 pcm_addchan(dev, PCMDIR_REC, &alsrchan_class, sc); 842 843 ksnprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld %s", 844 rman_get_start(sc->reg), rman_get_start(sc->irq),PCM_KLDSTRING(snd_als4000)); 845 pcm_setstatus(dev, status); 846 return 0; 847 848 bad_attach: 849 als_resource_free(dev, sc); 850 kfree(sc, M_DEVBUF); 851 return ENXIO; 852 } 853 854 static int 855 als_pci_detach(device_t dev) 856 { 857 struct sc_info *sc; 858 int r; 859 860 r = pcm_unregister(dev); 861 if (r) 862 return r; 863 864 sc = pcm_getdevinfo(dev); 865 als_uninit(sc); 866 als_resource_free(dev, sc); 867 kfree(sc, M_DEVBUF); 868 return 0; 869 } 870 871 static int 872 als_pci_suspend(device_t dev) 873 { 874 struct sc_info *sc = pcm_getdevinfo(dev); 875 876 snd_mtxlock(sc->lock); 877 sc->pch.dma_was_active = als_playback_stop(&sc->pch); 878 sc->rch.dma_was_active = als_capture_stop(&sc->rch); 879 als_uninit(sc); 880 snd_mtxunlock(sc->lock); 881 return 0; 882 } 883 884 static int 885 als_pci_resume(device_t dev) 886 { 887 struct sc_info *sc = pcm_getdevinfo(dev); 888 889 890 snd_mtxlock(sc->lock); 891 if (als_init(sc) != 0) { 892 device_printf(dev, "unable to reinitialize the card\n"); 893 snd_mtxunlock(sc->lock); 894 return ENXIO; 895 } 896 897 if (mixer_reinit(dev) != 0) { 898 device_printf(dev, "unable to reinitialize the mixer\n"); 899 snd_mtxunlock(sc->lock); 900 return ENXIO; 901 } 902 903 if (sc->pch.dma_was_active) { 904 als_playback_start(&sc->pch); 905 } 906 907 if (sc->rch.dma_was_active) { 908 als_capture_start(&sc->rch); 909 } 910 snd_mtxunlock(sc->lock); 911 912 return 0; 913 } 914 915 static device_method_t als_methods[] = { 916 /* Device interface */ 917 DEVMETHOD(device_probe, als_pci_probe), 918 DEVMETHOD(device_attach, als_pci_attach), 919 DEVMETHOD(device_detach, als_pci_detach), 920 DEVMETHOD(device_suspend, als_pci_suspend), 921 DEVMETHOD(device_resume, als_pci_resume), 922 DEVMETHOD_END 923 }; 924 925 static driver_t als_driver = { 926 "pcm", 927 als_methods, 928 PCM_SOFTC_SIZE, 929 }; 930 931 DRIVER_MODULE(snd_als4000, pci, als_driver, pcm_devclass, NULL, NULL); 932 MODULE_DEPEND(snd_als4000, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 933 MODULE_VERSION(snd_als4000, 1); 934