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 27/* 28 * als4000.c - driver for the Avance Logic ALS 4000 chipset. 29 * 30 * The ALS4000 is effectively an SB16 with a PCI interface. 31 * 32 * This driver derives from ALS4000a.PDF, Bart Hartgers alsa driver, and 33 * SB16 register descriptions. 34 */ 35 36#ifdef HAVE_KERNEL_OPTION_HEADERS 37#include "opt_snd.h" 38#endif 39 40#include <dev/sound/pcm/sound.h> 41#include <dev/sound/isa/sb.h> 42#include <dev/sound/pci/als4000.h> 43 44#include <dev/pci/pcireg.h> 45#include <dev/pci/pcivar.h> 46 47#include "mixer_if.h" 48 49SND_DECLARE_FILE("$FreeBSD: stable/10/sys/dev/sound/pci/als4000.c 312398 2017-01-18 23:23:46Z marius $"); 50 51/* Debugging macro's */ 52#undef DEB 53#ifndef DEB 54#define DEB(x) /* x */ 55#endif /* DEB */ 56 57#define ALS_DEFAULT_BUFSZ 16384 58 59/* ------------------------------------------------------------------------- */ 60/* Structures */ 61 62struct sc_info; 63 64struct sc_chinfo { 65 struct sc_info *parent; 66 struct pcm_channel *channel; 67 struct snd_dbuf *buffer; 68 u_int32_t format, speed, phys_buf, bps; 69 u_int32_t dma_active:1, dma_was_active:1; 70 u_int8_t gcr_fifo_status; 71 int dir; 72}; 73 74struct sc_info { 75 device_t dev; 76 bus_space_tag_t st; 77 bus_space_handle_t sh; 78 bus_dma_tag_t parent_dmat; 79 struct resource *reg, *irq; 80 int regid, irqid; 81 void *ih; 82 struct mtx *lock; 83 84 unsigned int bufsz; 85 struct sc_chinfo pch, rch; 86}; 87 88/* Channel caps */ 89 90static u_int32_t als_format[] = { 91 SND_FORMAT(AFMT_U8, 1, 0), 92 SND_FORMAT(AFMT_U8, 2, 0), 93 SND_FORMAT(AFMT_S16_LE, 1, 0), 94 SND_FORMAT(AFMT_S16_LE, 2, 0), 95 0 96}; 97 98/* 99 * I don't believe this rotten soundcard can do 48k, really, 100 * trust me. 101 */ 102static struct pcmchan_caps als_caps = { 4000, 44100, als_format, 0 }; 103 104/* ------------------------------------------------------------------------- */ 105/* Register Utilities */ 106 107static u_int32_t 108als_gcr_rd(struct sc_info *sc, int index) 109{ 110 bus_space_write_1(sc->st, sc->sh, ALS_GCR_INDEX, index); 111 return bus_space_read_4(sc->st, sc->sh, ALS_GCR_DATA); 112} 113 114static void 115als_gcr_wr(struct sc_info *sc, int index, int data) 116{ 117 bus_space_write_1(sc->st, sc->sh, ALS_GCR_INDEX, index); 118 bus_space_write_4(sc->st, sc->sh, ALS_GCR_DATA, data); 119} 120 121static u_int8_t 122als_intr_rd(struct sc_info *sc) 123{ 124 return bus_space_read_1(sc->st, sc->sh, ALS_SB_MPU_IRQ); 125} 126 127static void 128als_intr_wr(struct sc_info *sc, u_int8_t data) 129{ 130 bus_space_write_1(sc->st, sc->sh, ALS_SB_MPU_IRQ, data); 131} 132 133static u_int8_t 134als_mix_rd(struct sc_info *sc, u_int8_t index) 135{ 136 bus_space_write_1(sc->st, sc->sh, ALS_MIXER_INDEX, index); 137 return bus_space_read_1(sc->st, sc->sh, ALS_MIXER_DATA); 138} 139 140static void 141als_mix_wr(struct sc_info *sc, u_int8_t index, u_int8_t data) 142{ 143 bus_space_write_1(sc->st, sc->sh, ALS_MIXER_INDEX, index); 144 bus_space_write_1(sc->st, sc->sh, ALS_MIXER_DATA, data); 145} 146 147static void 148als_esp_wr(struct sc_info *sc, u_int8_t data) 149{ 150 u_int32_t tries, v; 151 152 tries = 1000; 153 do { 154 v = bus_space_read_1(sc->st, sc->sh, ALS_ESP_WR_STATUS); 155 if (~v & 0x80) 156 break; 157 DELAY(20); 158 } while (--tries != 0); 159 160 if (tries == 0) 161 device_printf(sc->dev, "als_esp_wr timeout"); 162 163 bus_space_write_1(sc->st, sc->sh, ALS_ESP_WR_DATA, data); 164} 165 166static int 167als_esp_reset(struct sc_info *sc) 168{ 169 u_int32_t tries, u, v; 170 171 bus_space_write_1(sc->st, sc->sh, ALS_ESP_RST, 1); 172 DELAY(10); 173 bus_space_write_1(sc->st, sc->sh, ALS_ESP_RST, 0); 174 DELAY(30); 175 176 tries = 1000; 177 do { 178 u = bus_space_read_1(sc->st, sc->sh, ALS_ESP_RD_STATUS8); 179 if (u & 0x80) { 180 v = bus_space_read_1(sc->st, sc->sh, ALS_ESP_RD_DATA); 181 if (v == 0xaa) 182 return 0; 183 else 184 break; 185 } 186 DELAY(20); 187 } while (--tries != 0); 188 189 if (tries == 0) 190 device_printf(sc->dev, "als_esp_reset timeout"); 191 return 1; 192} 193 194static u_int8_t 195als_ack_read(struct sc_info *sc, u_int8_t addr) 196{ 197 u_int8_t r = bus_space_read_1(sc->st, sc->sh, addr); 198 return r; 199} 200 201/* ------------------------------------------------------------------------- */ 202/* Common pcm channel implementation */ 203 204static void * 205alschan_init(kobj_t obj, void *devinfo, 206 struct snd_dbuf *b, struct pcm_channel *c, int dir) 207{ 208 struct sc_info *sc = devinfo; 209 struct sc_chinfo *ch; 210 211 snd_mtxlock(sc->lock); 212 if (dir == PCMDIR_PLAY) { 213 ch = &sc->pch; 214 ch->gcr_fifo_status = ALS_GCR_FIFO0_STATUS; 215 } else { 216 ch = &sc->rch; 217 ch->gcr_fifo_status = ALS_GCR_FIFO1_STATUS; 218 } 219 ch->dir = dir; 220 ch->parent = sc; 221 ch->channel = c; 222 ch->bps = 1; 223 ch->format = SND_FORMAT(AFMT_U8, 1, 0); 224 ch->speed = DSP_DEFAULT_SPEED; 225 ch->buffer = b; 226 snd_mtxunlock(sc->lock); 227 228 if (sndbuf_alloc(ch->buffer, sc->parent_dmat, 0, sc->bufsz) != 0) 229 return NULL; 230 231 return ch; 232} 233 234static int 235alschan_setformat(kobj_t obj, void *data, u_int32_t format) 236{ 237 struct sc_chinfo *ch = data; 238 239 ch->format = format; 240 return 0; 241} 242 243static u_int32_t 244alschan_setspeed(kobj_t obj, void *data, u_int32_t speed) 245{ 246 struct sc_chinfo *ch = data, *other; 247 struct sc_info *sc = ch->parent; 248 249 other = (ch->dir == PCMDIR_PLAY) ? &sc->rch : &sc->pch; 250 251 /* Deny request if other dma channel is active */ 252 if (other->dma_active) { 253 ch->speed = other->speed; 254 return other->speed; 255 } 256 257 ch->speed = speed; 258 return speed; 259} 260 261static u_int32_t 262alschan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 263{ 264 struct sc_chinfo *ch = data; 265 struct sc_info *sc = ch->parent; 266 267 if (blocksize > sc->bufsz / 2) { 268 blocksize = sc->bufsz / 2; 269 } 270 sndbuf_resize(ch->buffer, 2, blocksize); 271 return blocksize; 272} 273 274static u_int32_t 275alschan_getptr(kobj_t obj, void *data) 276{ 277 struct sc_chinfo *ch = data; 278 struct sc_info *sc = ch->parent; 279 int32_t pos, sz; 280 281 snd_mtxlock(sc->lock); 282 pos = als_gcr_rd(ch->parent, ch->gcr_fifo_status) & 0xffff; 283 snd_mtxunlock(sc->lock); 284 sz = sndbuf_getsize(ch->buffer); 285 return (2 * sz - pos - 1) % sz; 286} 287 288static struct pcmchan_caps* 289alschan_getcaps(kobj_t obj, void *data) 290{ 291 return &als_caps; 292} 293 294static void 295als_set_speed(struct sc_chinfo *ch) 296{ 297 struct sc_info *sc = ch->parent; 298 struct sc_chinfo *other; 299 300 other = (ch->dir == PCMDIR_PLAY) ? &sc->rch : &sc->pch; 301 if (other->dma_active == 0) { 302 als_esp_wr(sc, ALS_ESP_SAMPLE_RATE); 303 als_esp_wr(sc, ch->speed >> 8); 304 als_esp_wr(sc, ch->speed & 0xff); 305 } else { 306 DEB(printf("speed locked at %d (tried %d)\n", 307 other->speed, ch->speed)); 308 } 309} 310 311/* ------------------------------------------------------------------------- */ 312/* Playback channel implementation */ 313 314#define ALS_8BIT_CMD(x, y) { (x), (y), DSP_DMA8, DSP_CMD_DMAPAUSE_8 } 315#define ALS_16BIT_CMD(x, y) { (x), (y), DSP_DMA16, DSP_CMD_DMAPAUSE_16 } 316 317struct playback_command { 318 u_int32_t pcm_format; /* newpcm format */ 319 u_int8_t format_val; /* sb16 format value */ 320 u_int8_t dma_prog; /* sb16 dma program */ 321 u_int8_t dma_stop; /* sb16 stop register */ 322} static const playback_cmds[] = { 323 ALS_8BIT_CMD(SND_FORMAT(AFMT_U8, 1, 0), DSP_MODE_U8MONO), 324 ALS_8BIT_CMD(SND_FORMAT(AFMT_U8, 2, 0), DSP_MODE_U8STEREO), 325 ALS_16BIT_CMD(SND_FORMAT(AFMT_S16_LE, 1, 0), DSP_MODE_S16MONO), 326 ALS_16BIT_CMD(SND_FORMAT(AFMT_S16_LE, 2, 0), DSP_MODE_S16STEREO), 327}; 328 329static const struct playback_command* 330als_get_playback_command(u_int32_t format) 331{ 332 u_int32_t i, n; 333 334 n = sizeof(playback_cmds) / sizeof(playback_cmds[0]); 335 for (i = 0; i < n; i++) { 336 if (playback_cmds[i].pcm_format == format) { 337 return &playback_cmds[i]; 338 } 339 } 340 DEB(printf("als_get_playback_command: invalid format 0x%08x\n", 341 format)); 342 return &playback_cmds[0]; 343} 344 345static void 346als_playback_start(struct sc_chinfo *ch) 347{ 348 const struct playback_command *p; 349 struct sc_info *sc = ch->parent; 350 u_int32_t buf, bufsz, count, dma_prog; 351 352 buf = sndbuf_getbufaddr(ch->buffer); 353 bufsz = sndbuf_getsize(ch->buffer); 354 count = bufsz / 2; 355 if (ch->format & AFMT_16BIT) 356 count /= 2; 357 count--; 358 359 als_esp_wr(sc, DSP_CMD_SPKON); 360 als_set_speed(ch); 361 362 als_gcr_wr(sc, ALS_GCR_DMA0_START, buf); 363 als_gcr_wr(sc, ALS_GCR_DMA0_MODE, (bufsz - 1) | 0x180000); 364 365 p = als_get_playback_command(ch->format); 366 dma_prog = p->dma_prog | DSP_F16_DAC | DSP_F16_AUTO | DSP_F16_FIFO_ON; 367 368 als_esp_wr(sc, dma_prog); 369 als_esp_wr(sc, p->format_val); 370 als_esp_wr(sc, count & 0xff); 371 als_esp_wr(sc, count >> 8); 372 373 ch->dma_active = 1; 374} 375 376static int 377als_playback_stop(struct sc_chinfo *ch) 378{ 379 const struct playback_command *p; 380 struct sc_info *sc = ch->parent; 381 u_int32_t active; 382 383 active = ch->dma_active; 384 if (active) { 385 p = als_get_playback_command(ch->format); 386 als_esp_wr(sc, p->dma_stop); 387 } 388 ch->dma_active = 0; 389 return active; 390} 391 392static int 393alspchan_trigger(kobj_t obj, void *data, int go) 394{ 395 struct sc_chinfo *ch = data; 396 struct sc_info *sc = ch->parent; 397 398 if (!PCMTRIG_COMMON(go)) 399 return 0; 400 401 snd_mtxlock(sc->lock); 402 switch(go) { 403 case PCMTRIG_START: 404 als_playback_start(ch); 405 break; 406 case PCMTRIG_STOP: 407 case PCMTRIG_ABORT: 408 als_playback_stop(ch); 409 break; 410 default: 411 break; 412 } 413 snd_mtxunlock(sc->lock); 414 return 0; 415} 416 417static kobj_method_t alspchan_methods[] = { 418 KOBJMETHOD(channel_init, alschan_init), 419 KOBJMETHOD(channel_setformat, alschan_setformat), 420 KOBJMETHOD(channel_setspeed, alschan_setspeed), 421 KOBJMETHOD(channel_setblocksize, alschan_setblocksize), 422 KOBJMETHOD(channel_trigger, alspchan_trigger), 423 KOBJMETHOD(channel_getptr, alschan_getptr), 424 KOBJMETHOD(channel_getcaps, alschan_getcaps), 425 KOBJMETHOD_END 426}; 427CHANNEL_DECLARE(alspchan); 428 429/* ------------------------------------------------------------------------- */ 430/* Capture channel implementation */ 431 432static u_int8_t 433als_get_fifo_format(struct sc_info *sc, u_int32_t format) 434{ 435 switch (format) { 436 case SND_FORMAT(AFMT_U8, 1, 0): 437 return ALS_FIFO1_8BIT; 438 case SND_FORMAT(AFMT_U8, 2, 0): 439 return ALS_FIFO1_8BIT | ALS_FIFO1_STEREO; 440 case SND_FORMAT(AFMT_S16_LE, 1, 0): 441 return ALS_FIFO1_SIGNED; 442 case SND_FORMAT(AFMT_S16_LE, 2, 0): 443 return ALS_FIFO1_SIGNED | ALS_FIFO1_STEREO; 444 } 445 device_printf(sc->dev, "format not found: 0x%08x\n", format); 446 return ALS_FIFO1_8BIT; 447} 448 449static void 450als_capture_start(struct sc_chinfo *ch) 451{ 452 struct sc_info *sc = ch->parent; 453 u_int32_t buf, bufsz, count, dma_prog; 454 455 buf = sndbuf_getbufaddr(ch->buffer); 456 bufsz = sndbuf_getsize(ch->buffer); 457 count = bufsz / 2; 458 if (ch->format & AFMT_16BIT) 459 count /= 2; 460 count--; 461 462 als_esp_wr(sc, DSP_CMD_SPKON); 463 als_set_speed(ch); 464 465 als_gcr_wr(sc, ALS_GCR_FIFO1_START, buf); 466 als_gcr_wr(sc, ALS_GCR_FIFO1_COUNT, (bufsz - 1)); 467 468 als_mix_wr(sc, ALS_FIFO1_LENGTH_LO, count & 0xff); 469 als_mix_wr(sc, ALS_FIFO1_LENGTH_HI, count >> 8); 470 471 dma_prog = ALS_FIFO1_RUN | als_get_fifo_format(sc, ch->format); 472 als_mix_wr(sc, ALS_FIFO1_CONTROL, dma_prog); 473 474 ch->dma_active = 1; 475} 476 477static int 478als_capture_stop(struct sc_chinfo *ch) 479{ 480 struct sc_info *sc = ch->parent; 481 u_int32_t active; 482 483 active = ch->dma_active; 484 if (active) { 485 als_mix_wr(sc, ALS_FIFO1_CONTROL, ALS_FIFO1_STOP); 486 } 487 ch->dma_active = 0; 488 return active; 489} 490 491static int 492alsrchan_trigger(kobj_t obj, void *data, int go) 493{ 494 struct sc_chinfo *ch = data; 495 struct sc_info *sc = ch->parent; 496 497 snd_mtxlock(sc->lock); 498 switch(go) { 499 case PCMTRIG_START: 500 als_capture_start(ch); 501 break; 502 case PCMTRIG_STOP: 503 case PCMTRIG_ABORT: 504 als_capture_stop(ch); 505 break; 506 } 507 snd_mtxunlock(sc->lock); 508 return 0; 509} 510 511static kobj_method_t alsrchan_methods[] = { 512 KOBJMETHOD(channel_init, alschan_init), 513 KOBJMETHOD(channel_setformat, alschan_setformat), 514 KOBJMETHOD(channel_setspeed, alschan_setspeed), 515 KOBJMETHOD(channel_setblocksize, alschan_setblocksize), 516 KOBJMETHOD(channel_trigger, alsrchan_trigger), 517 KOBJMETHOD(channel_getptr, alschan_getptr), 518 KOBJMETHOD(channel_getcaps, alschan_getcaps), 519 KOBJMETHOD_END 520}; 521CHANNEL_DECLARE(alsrchan); 522 523/* ------------------------------------------------------------------------- */ 524/* Mixer related */ 525 526/* 527 * ALS4000 has an sb16 mixer, with some additional controls that we do 528 * not yet a means to support. 529 */ 530 531struct sb16props { 532 u_int8_t lreg; 533 u_int8_t rreg; 534 u_int8_t bits; 535 u_int8_t oselect; 536 u_int8_t iselect; /* left input mask */ 537} static const amt[SOUND_MIXER_NRDEVICES] = { 538 [SOUND_MIXER_VOLUME] = { 0x30, 0x31, 5, 0x00, 0x00 }, 539 [SOUND_MIXER_PCM] = { 0x32, 0x33, 5, 0x00, 0x00 }, 540 [SOUND_MIXER_SYNTH] = { 0x34, 0x35, 5, 0x60, 0x40 }, 541 [SOUND_MIXER_CD] = { 0x36, 0x37, 5, 0x06, 0x04 }, 542 [SOUND_MIXER_LINE] = { 0x38, 0x39, 5, 0x18, 0x10 }, 543 [SOUND_MIXER_MIC] = { 0x3a, 0x00, 5, 0x01, 0x01 }, 544 [SOUND_MIXER_SPEAKER] = { 0x3b, 0x00, 2, 0x00, 0x00 }, 545 [SOUND_MIXER_IGAIN] = { 0x3f, 0x40, 2, 0x00, 0x00 }, 546 [SOUND_MIXER_OGAIN] = { 0x41, 0x42, 2, 0x00, 0x00 }, 547 /* The following have register values but no h/w implementation */ 548 [SOUND_MIXER_TREBLE] = { 0x44, 0x45, 4, 0x00, 0x00 }, 549 [SOUND_MIXER_BASS] = { 0x46, 0x47, 4, 0x00, 0x00 } 550}; 551 552static int 553alsmix_init(struct snd_mixer *m) 554{ 555 u_int32_t i, v; 556 557 for (i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) { 558 if (amt[i].bits) v |= 1 << i; 559 } 560 mix_setdevs(m, v); 561 562 for (i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) { 563 if (amt[i].iselect) v |= 1 << i; 564 } 565 mix_setrecdevs(m, v); 566 return 0; 567} 568 569static int 570alsmix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) 571{ 572 struct sc_info *sc = mix_getdevinfo(m); 573 u_int32_t r, l, v, mask; 574 575 /* Fill upper n bits in mask with 1's */ 576 mask = ((1 << amt[dev].bits) - 1) << (8 - amt[dev].bits); 577 578 l = (left * mask / 100) & mask; 579 v = als_mix_rd(sc, amt[dev].lreg) & ~mask; 580 als_mix_wr(sc, amt[dev].lreg, l | v); 581 582 if (amt[dev].rreg) { 583 r = (right * mask / 100) & mask; 584 v = als_mix_rd(sc, amt[dev].rreg) & ~mask; 585 als_mix_wr(sc, amt[dev].rreg, r | v); 586 } else { 587 r = 0; 588 } 589 590 /* Zero gain does not mute channel from output, but this does. */ 591 v = als_mix_rd(sc, SB16_OMASK); 592 if (l == 0 && r == 0) { 593 v &= ~amt[dev].oselect; 594 } else { 595 v |= amt[dev].oselect; 596 } 597 als_mix_wr(sc, SB16_OMASK, v); 598 return 0; 599} 600 601static u_int32_t 602alsmix_setrecsrc(struct snd_mixer *m, u_int32_t src) 603{ 604 struct sc_info *sc = mix_getdevinfo(m); 605 u_int32_t i, l, r; 606 607 for (i = l = r = 0; i < SOUND_MIXER_NRDEVICES; i++) { 608 if (src & (1 << i)) { 609 if (amt[i].iselect == 1) { /* microphone */ 610 l |= amt[i].iselect; 611 r |= amt[i].iselect; 612 } else { 613 l |= amt[i].iselect; 614 r |= amt[i].iselect >> 1; 615 } 616 } 617 } 618 619 als_mix_wr(sc, SB16_IMASK_L, l); 620 als_mix_wr(sc, SB16_IMASK_R, r); 621 return src; 622} 623 624static kobj_method_t als_mixer_methods[] = { 625 KOBJMETHOD(mixer_init, alsmix_init), 626 KOBJMETHOD(mixer_set, alsmix_set), 627 KOBJMETHOD(mixer_setrecsrc, alsmix_setrecsrc), 628 KOBJMETHOD_END 629}; 630MIXER_DECLARE(als_mixer); 631 632/* ------------------------------------------------------------------------- */ 633/* Interrupt Handler */ 634 635static void 636als_intr(void *p) 637{ 638 struct sc_info *sc = (struct sc_info *)p; 639 u_int8_t intr, sb_status; 640 641 snd_mtxlock(sc->lock); 642 intr = als_intr_rd(sc); 643 644 if (intr & 0x80) { 645 snd_mtxunlock(sc->lock); 646 chn_intr(sc->pch.channel); 647 snd_mtxlock(sc->lock); 648 } 649 650 if (intr & 0x40) { 651 snd_mtxunlock(sc->lock); 652 chn_intr(sc->rch.channel); 653 snd_mtxlock(sc->lock); 654 } 655 656 /* ACK interrupt in PCI core */ 657 als_intr_wr(sc, intr); 658 659 /* ACK interrupt in SB core */ 660 sb_status = als_mix_rd(sc, IRQ_STAT); 661 662 if (sb_status & ALS_IRQ_STATUS8) 663 als_ack_read(sc, ALS_ESP_RD_STATUS8); 664 if (sb_status & ALS_IRQ_STATUS16) 665 als_ack_read(sc, ALS_ESP_RD_STATUS16); 666 if (sb_status & ALS_IRQ_MPUIN) 667 als_ack_read(sc, ALS_MIDI_DATA); 668 if (sb_status & ALS_IRQ_CR1E) 669 als_ack_read(sc, ALS_CR1E_ACK_PORT); 670 671 snd_mtxunlock(sc->lock); 672 return; 673} 674 675/* ------------------------------------------------------------------------- */ 676/* H/W initialization */ 677 678static int 679als_init(struct sc_info *sc) 680{ 681 u_int32_t i, v; 682 683 /* Reset Chip */ 684 if (als_esp_reset(sc)) { 685 return 1; 686 } 687 688 /* Enable write on DMA_SETUP register */ 689 v = als_mix_rd(sc, ALS_SB16_CONFIG); 690 als_mix_wr(sc, ALS_SB16_CONFIG, v | 0x80); 691 692 /* Select DMA0 */ 693 als_mix_wr(sc, ALS_SB16_DMA_SETUP, 0x01); 694 695 /* Disable write on DMA_SETUP register */ 696 als_mix_wr(sc, ALS_SB16_CONFIG, v & 0x7f); 697 698 /* Enable interrupts */ 699 v = als_gcr_rd(sc, ALS_GCR_MISC); 700 als_gcr_wr(sc, ALS_GCR_MISC, v | 0x28000); 701 702 /* Black out GCR DMA registers */ 703 for (i = 0x91; i <= 0x96; i++) { 704 als_gcr_wr(sc, i, 0); 705 } 706 707 /* Emulation mode */ 708 v = als_gcr_rd(sc, ALS_GCR_DMA_EMULATION); 709 als_gcr_wr(sc, ALS_GCR_DMA_EMULATION, v); 710 DEB(printf("GCR_DMA_EMULATION 0x%08x\n", v)); 711 return 0; 712} 713 714static void 715als_uninit(struct sc_info *sc) 716{ 717 /* Disable interrupts */ 718 als_gcr_wr(sc, ALS_GCR_MISC, 0); 719} 720 721/* ------------------------------------------------------------------------- */ 722/* Probe and attach card */ 723 724static int 725als_pci_probe(device_t dev) 726{ 727 if (pci_get_devid(dev) == ALS_PCI_ID0) { 728 device_set_desc(dev, "Avance Logic ALS4000"); 729 return BUS_PROBE_DEFAULT; 730 } 731 return ENXIO; 732} 733 734static void 735als_resource_free(device_t dev, struct sc_info *sc) 736{ 737 if (sc->reg) { 738 bus_release_resource(dev, SYS_RES_IOPORT, sc->regid, sc->reg); 739 sc->reg = 0; 740 } 741 if (sc->ih) { 742 bus_teardown_intr(dev, sc->irq, sc->ih); 743 sc->ih = 0; 744 } 745 if (sc->irq) { 746 bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq); 747 sc->irq = 0; 748 } 749 if (sc->parent_dmat) { 750 bus_dma_tag_destroy(sc->parent_dmat); 751 sc->parent_dmat = 0; 752 } 753 if (sc->lock) { 754 snd_mtxfree(sc->lock); 755 sc->lock = NULL; 756 } 757} 758 759static int 760als_resource_grab(device_t dev, struct sc_info *sc) 761{ 762 sc->regid = PCIR_BAR(0); 763 sc->reg = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &sc->regid, 764 RF_ACTIVE); 765 if (sc->reg == 0) { 766 device_printf(dev, "unable to allocate register space\n"); 767 goto bad; 768 } 769 sc->st = rman_get_bustag(sc->reg); 770 sc->sh = rman_get_bushandle(sc->reg); 771 772 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqid, 773 RF_ACTIVE | RF_SHAREABLE); 774 if (sc->irq == 0) { 775 device_printf(dev, "unable to allocate interrupt\n"); 776 goto bad; 777 } 778 779 if (snd_setup_intr(dev, sc->irq, INTR_MPSAFE, als_intr, 780 sc, &sc->ih)) { 781 device_printf(dev, "unable to setup interrupt\n"); 782 goto bad; 783 } 784 785 sc->bufsz = pcm_getbuffersize(dev, 4096, ALS_DEFAULT_BUFSZ, 65536); 786 787 if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), 788 /*alignment*/2, /*boundary*/0, 789 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 790 /*highaddr*/BUS_SPACE_MAXADDR, 791 /*filter*/NULL, /*filterarg*/NULL, 792 /*maxsize*/sc->bufsz, 793 /*nsegments*/1, /*maxsegz*/0x3ffff, 794 /*flags*/0, /*lockfunc*/NULL, 795 /*lockarg*/NULL, &sc->parent_dmat) != 0) { 796 device_printf(dev, "unable to create dma tag\n"); 797 goto bad; 798 } 799 return 0; 800 bad: 801 als_resource_free(dev, sc); 802 return ENXIO; 803} 804 805static int 806als_pci_attach(device_t dev) 807{ 808 struct sc_info *sc; 809 char status[SND_STATUSLEN]; 810 811 sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO); 812 sc->lock = snd_mtxcreate(device_get_nameunit(dev), "snd_als4000 softc"); 813 sc->dev = dev; 814 815 pci_enable_busmaster(dev); 816 /* 817 * By default the power to the various components on the 818 * ALS4000 is entirely controlled by the pci powerstate. We 819 * could attempt finer grained control by setting GCR6.31. 820 */ 821#if __FreeBSD_version > 500000 822 if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) { 823 /* Reset the power state. */ 824 device_printf(dev, "chip is in D%d power mode " 825 "-- setting to D0\n", pci_get_powerstate(dev)); 826 pci_set_powerstate(dev, PCI_POWERSTATE_D0); 827 } 828#else 829 data = pci_read_config(dev, ALS_PCI_POWERREG, 2); 830 if ((data & 0x03) != 0) { 831 device_printf(dev, "chip is in D%d power mode " 832 "-- setting to D0\n", data & 0x03); 833 data &= ~0x03; 834 pci_write_config(dev, ALS_PCI_POWERREG, data, 2); 835 } 836#endif 837 838 if (als_resource_grab(dev, sc)) { 839 device_printf(dev, "failed to allocate resources\n"); 840 goto bad_attach; 841 } 842 843 if (als_init(sc)) { 844 device_printf(dev, "failed to initialize hardware\n"); 845 goto bad_attach; 846 } 847 848 if (mixer_init(dev, &als_mixer_class, sc)) { 849 device_printf(dev, "failed to initialize mixer\n"); 850 goto bad_attach; 851 } 852 853 if (pcm_register(dev, sc, 1, 1)) { 854 device_printf(dev, "failed to register pcm entries\n"); 855 goto bad_attach; 856 } 857 858 pcm_addchan(dev, PCMDIR_PLAY, &alspchan_class, sc); 859 pcm_addchan(dev, PCMDIR_REC, &alsrchan_class, sc); 860 861 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld %s", 862 rman_get_start(sc->reg), rman_get_start(sc->irq),PCM_KLDSTRING(snd_als4000)); 863 pcm_setstatus(dev, status); 864 return 0; 865 866 bad_attach: 867 als_resource_free(dev, sc); 868 free(sc, M_DEVBUF); 869 return ENXIO; 870} 871 872static int 873als_pci_detach(device_t dev) 874{ 875 struct sc_info *sc; 876 int r; 877 878 r = pcm_unregister(dev); 879 if (r) 880 return r; 881 882 sc = pcm_getdevinfo(dev); 883 als_uninit(sc); 884 als_resource_free(dev, sc); 885 free(sc, M_DEVBUF); 886 return 0; 887} 888 889static int 890als_pci_suspend(device_t dev) 891{ 892 struct sc_info *sc = pcm_getdevinfo(dev); 893 894 snd_mtxlock(sc->lock); 895 sc->pch.dma_was_active = als_playback_stop(&sc->pch); 896 sc->rch.dma_was_active = als_capture_stop(&sc->rch); 897 als_uninit(sc); 898 snd_mtxunlock(sc->lock); 899 return 0; 900} 901 902static int 903als_pci_resume(device_t dev) 904{ 905 struct sc_info *sc = pcm_getdevinfo(dev); 906 907 908 snd_mtxlock(sc->lock); 909 if (als_init(sc) != 0) { 910 device_printf(dev, "unable to reinitialize the card\n"); 911 snd_mtxunlock(sc->lock); 912 return ENXIO; 913 } 914 915 if (mixer_reinit(dev) != 0) { 916 device_printf(dev, "unable to reinitialize the mixer\n"); 917 snd_mtxunlock(sc->lock); 918 return ENXIO; 919 } 920 921 if (sc->pch.dma_was_active) { 922 als_playback_start(&sc->pch); 923 } 924 925 if (sc->rch.dma_was_active) { 926 als_capture_start(&sc->rch); 927 } 928 snd_mtxunlock(sc->lock); 929 930 return 0; 931} 932 933static device_method_t als_methods[] = { 934 /* Device interface */ 935 DEVMETHOD(device_probe, als_pci_probe), 936 DEVMETHOD(device_attach, als_pci_attach), 937 DEVMETHOD(device_detach, als_pci_detach), 938 DEVMETHOD(device_suspend, als_pci_suspend), 939 DEVMETHOD(device_resume, als_pci_resume), 940 { 0, 0 } 941}; 942 943static driver_t als_driver = { 944 "pcm", 945 als_methods, 946 PCM_SOFTC_SIZE, 947}; 948 949DRIVER_MODULE(snd_als4000, pci, als_driver, pcm_devclass, 0, 0); 950MODULE_DEPEND(snd_als4000, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 951MODULE_VERSION(snd_als4000, 1); 952