sb16.c revision 68414
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 * $FreeBSD: head/sys/dev/sound/isa/sb16.c 68414 2000-11-07 00:38:59Z cg $ 32 */ 33 34#include <dev/sound/pcm/sound.h> 35 36#include <dev/sound/isa/sb.h> 37#include <dev/sound/chip.h> 38 39#define SB16_BUFFSIZE 4096 40#define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16) 41 42/* channel interface */ 43static void *sb16chan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir); 44static int sb16chan_setformat(void *data, u_int32_t format); 45static int sb16chan_setspeed(void *data, u_int32_t speed); 46static int sb16chan_setblocksize(void *data, u_int32_t blocksize); 47static int sb16chan_trigger(void *data, int go); 48static int sb16chan_getptr(void *data); 49static pcmchan_caps *sb16chan_getcaps(void *data); 50static int sb16chan_reset(void *data); 51static int sb16chan_resetdone(void *data); 52 53static u_int32_t sb16_fmt8[] = { 54 AFMT_U8, 55 AFMT_STEREO | AFMT_U8, 56 0 57}; 58static pcmchan_caps sb16_caps8 = {5000, 45000, sb16_fmt8, 0}; 59 60static u_int32_t sb16_fmt16[] = { 61 AFMT_S16_LE, 62 AFMT_STEREO | AFMT_S16_LE, 63 0 64}; 65static pcmchan_caps sb16_caps16 = {5000, 45000, sb16_fmt16, 0}; 66 67static u_int32_t sb16x_fmt[] = { 68 AFMT_U8, 69 AFMT_STEREO | AFMT_U8, 70 AFMT_S16_LE, 71 AFMT_STEREO | AFMT_S16_LE, 72 0 73}; 74static pcmchan_caps sb16x_caps = {5000, 49000, sb16x_fmt, 0}; 75 76static pcm_channel sb_chantemplate = { 77 sb16chan_init, 78 NULL, 79 sb16chan_setformat, 80 sb16chan_setspeed, 81 sb16chan_setblocksize, 82 sb16chan_trigger, 83 sb16chan_getptr, 84 sb16chan_getcaps, 85 NULL, /* free */ 86 sb16chan_reset, /* reset */ 87 sb16chan_resetdone, /* resetdone */ 88 NULL, /* nop3 */ 89 NULL, /* nop4 */ 90 NULL, /* nop5 */ 91 NULL, /* nop6 */ 92 NULL, /* nop7 */ 93}; 94 95struct sb_info; 96 97struct sb_chinfo { 98 struct sb_info *parent; 99 pcm_channel *channel; 100 snd_dbuf *buffer; 101 int dir, run, dch; 102 u_int32_t fmt, spd, blksz; 103}; 104 105struct sb_info { 106 struct resource *io_base; /* I/O address for the board */ 107 struct resource *irq; 108 struct resource *drq1; 109 struct resource *drq2; 110 void *ih; 111 bus_dma_tag_t parent_dmat; 112 113 int bd_id; 114 u_long bd_flags; /* board-specific flags */ 115 int dl, dh, prio, prio16; 116 struct sb_chinfo pch, rch; 117}; 118 119static int sb_rd(struct sb_info *sb, int reg); 120static void sb_wr(struct sb_info *sb, int reg, u_int8_t val); 121static int sb_dspready(struct sb_info *sb); 122static int sb_cmd(struct sb_info *sb, u_char val); 123/* static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); */ 124static int sb_cmd2(struct sb_info *sb, u_char cmd, int val); 125static u_int sb_get_byte(struct sb_info *sb); 126static void sb_setmixer(struct sb_info *sb, u_int port, u_int value); 127static int sb_getmixer(struct sb_info *sb, u_int port); 128static int sb_reset_dsp(struct sb_info *sb); 129 130static void sb_intr(void *arg); 131 132static int sb16mix_init(snd_mixer *m); 133static int sb16mix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right); 134static int sb16mix_setrecsrc(snd_mixer *m, u_int32_t src); 135 136static snd_mixer sb16_mixer = { 137 "SoundBlaster 16 mixer", 138 sb16mix_init, 139 NULL, 140 NULL, 141 sb16mix_set, 142 sb16mix_setrecsrc, 143}; 144 145static devclass_t pcm_devclass; 146 147/* 148 * Common code for the midi and pcm functions 149 * 150 * sb_cmd write a single byte to the CMD port. 151 * sb_cmd1 write a CMD + 1 byte arg 152 * sb_cmd2 write a CMD + 2 byte arg 153 * sb_get_byte returns a single byte from the DSP data port 154 */ 155 156static int 157port_rd(struct resource *port, int off) 158{ 159 return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off); 160} 161 162static void 163port_wr(struct resource *port, int off, u_int8_t data) 164{ 165 return bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data); 166} 167 168static int 169sb_rd(struct sb_info *sb, int reg) 170{ 171 return port_rd(sb->io_base, reg); 172} 173 174static void 175sb_wr(struct sb_info *sb, int reg, u_int8_t val) 176{ 177 port_wr(sb->io_base, reg, val); 178} 179 180static int 181sb_dspready(struct sb_info *sb) 182{ 183 return ((sb_rd(sb, SBDSP_STATUS) & 0x80) == 0); 184} 185 186static int 187sb_dspwr(struct sb_info *sb, u_char val) 188{ 189 int i; 190 191 for (i = 0; i < 1000; i++) { 192 if (sb_dspready(sb)) { 193 sb_wr(sb, SBDSP_CMD, val); 194 return 1; 195 } 196 if (i > 10) DELAY((i > 100)? 1000 : 10); 197 } 198 printf("sb_dspwr(0x%02x) timed out.\n", val); 199 return 0; 200} 201 202static int 203sb_cmd(struct sb_info *sb, u_char val) 204{ 205#if 0 206 printf("sb_cmd: %x\n", val); 207#endif 208 return sb_dspwr(sb, val); 209} 210 211/* 212static int 213sb_cmd1(struct sb_info *sb, u_char cmd, int val) 214{ 215#if 0 216 printf("sb_cmd1: %x, %x\n", cmd, val); 217#endif 218 if (sb_dspwr(sb, cmd)) { 219 return sb_dspwr(sb, val & 0xff); 220 } else return 0; 221} 222*/ 223 224static int 225sb_cmd2(struct sb_info *sb, u_char cmd, int val) 226{ 227#if 0 228 printf("sb_cmd2: %x, %x\n", cmd, val); 229#endif 230 if (sb_dspwr(sb, cmd)) { 231 return sb_dspwr(sb, val & 0xff) && 232 sb_dspwr(sb, (val >> 8) & 0xff); 233 } else return 0; 234} 235 236/* 237 * in the SB, there is a set of indirect "mixer" registers with 238 * address at offset 4, data at offset 5 239 */ 240static void 241sb_setmixer(struct sb_info *sb, u_int port, u_int value) 242{ 243 u_long flags; 244 245 flags = spltty(); 246 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 247 DELAY(10); 248 sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff)); 249 DELAY(10); 250 splx(flags); 251} 252 253static int 254sb_getmixer(struct sb_info *sb, u_int port) 255{ 256 int val; 257 u_long flags; 258 259 flags = spltty(); 260 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 261 DELAY(10); 262 val = sb_rd(sb, SB_MIX_DATA); 263 DELAY(10); 264 splx(flags); 265 266 return val; 267} 268 269static u_int 270sb_get_byte(struct sb_info *sb) 271{ 272 int i; 273 274 for (i = 1000; i > 0; i--) { 275 if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80) 276 return sb_rd(sb, DSP_READ); 277 else 278 DELAY(20); 279 } 280 return 0xffff; 281} 282 283static int 284sb_reset_dsp(struct sb_info *sb) 285{ 286 sb_wr(sb, SBDSP_RST, 3); 287 DELAY(100); 288 sb_wr(sb, SBDSP_RST, 0); 289 if (sb_get_byte(sb) != 0xAA) { 290 DEB(printf("sb_reset_dsp 0x%lx failed\n", 291 rman_get_start(d->io_base))); 292 return ENXIO; /* Sorry */ 293 } 294 return 0; 295} 296 297/************************************************************/ 298 299struct sb16_mixent { 300 int reg; 301 int bits; 302 int ofs; 303 int stereo; 304}; 305 306static const struct sb16_mixent sb16_mixtab[32] = { 307 [SOUND_MIXER_VOLUME] = { 0x30, 5, 3, 1 }, 308 [SOUND_MIXER_PCM] = { 0x32, 5, 3, 1 }, 309 [SOUND_MIXER_SYNTH] = { 0x34, 5, 3, 1 }, 310 [SOUND_MIXER_CD] = { 0x36, 5, 3, 1 }, 311 [SOUND_MIXER_LINE] = { 0x38, 5, 3, 1 }, 312 [SOUND_MIXER_MIC] = { 0x3a, 5, 3, 0 }, 313 [SOUND_MIXER_SPEAKER] = { 0x3b, 5, 3, 0 }, 314 [SOUND_MIXER_IGAIN] = { 0x3f, 2, 6, 1 }, 315 [SOUND_MIXER_OGAIN] = { 0x41, 2, 6, 1 }, 316 [SOUND_MIXER_TREBLE] = { 0x44, 4, 4, 1 }, 317 [SOUND_MIXER_BASS] = { 0x46, 4, 4, 1 }, 318}; 319 320static int 321sb16mix_init(snd_mixer *m) 322{ 323 struct sb_info *sb = mix_getdevinfo(m); 324 325 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | 326 SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD | 327 SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | 328 SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE); 329 330 mix_setrecdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_LINE | 331 SOUND_MASK_MIC | SOUND_MASK_CD); 332 333 sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */ 334 335 sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */ 336 sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */ 337 338 return 0; 339} 340 341static int 342sb16mix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right) 343{ 344 struct sb_info *sb = mix_getdevinfo(m); 345 const struct sb16_mixent *e; 346 int max; 347 348 e = &sb16_mixtab[dev]; 349 max = (1 << e->bits) - 1; 350 351 left = (left * max) / 100; 352 right = (right * max) / 100; 353 354 sb_setmixer(sb, e->reg, left << e->ofs); 355 if (e->stereo) 356 sb_setmixer(sb, e->reg + 1, right << e->ofs); 357 else 358 right = left; 359 360 left = (left * 100) / max; 361 right = (right * 100) / max; 362 363 return left | (right << 8); 364} 365 366static int 367sb16mix_setrecsrc(snd_mixer *m, u_int32_t src) 368{ 369 struct sb_info *sb = mix_getdevinfo(m); 370 u_char recdev; 371 372 recdev = 0; 373 if (src & SOUND_MASK_MIC) 374 recdev |= 0x01; /* mono mic */ 375 376 if (src & SOUND_MASK_CD) 377 recdev |= 0x06; /* l+r cd */ 378 379 if (src & SOUND_MASK_LINE) 380 recdev |= 0x18; /* l+r line */ 381 382 if (src & SOUND_MASK_SYNTH) 383 recdev |= 0x60; /* l+r midi */ 384 385 sb_setmixer(sb, SB16_IMASK_L, recdev); 386 sb_setmixer(sb, SB16_IMASK_R, recdev); 387 388 /* 389 * since the same volume controls apply to the input and 390 * output sections, the best approach to have a consistent 391 * behaviour among cards would be to disable the output path 392 * on devices which are used to record. 393 * However, since users like to have feedback, we only disable 394 * the mic -- permanently. 395 */ 396 sb_setmixer(sb, SB16_OMASK, 0x1f & ~1); 397 398 return src; 399} 400 401/************************************************************/ 402 403static void 404sb16_release_resources(struct sb_info *sb, device_t dev) 405{ 406 if (sb->irq) { 407 if (sb->ih) 408 bus_teardown_intr(dev, sb->irq, sb->ih); 409 bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq); 410 sb->irq = 0; 411 } 412 if (sb->drq1) { 413 bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1); 414 sb->drq1 = 0; 415 } 416 if (sb->drq2) { 417 bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2); 418 sb->drq2 = 0; 419 } 420 if (sb->io_base) { 421 bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base); 422 sb->io_base = 0; 423 } 424 if (sb->parent_dmat) { 425 bus_dma_tag_destroy(sb->parent_dmat); 426 sb->parent_dmat = 0; 427 } 428 free(sb, M_DEVBUF); 429} 430 431static int 432sb16_alloc_resources(struct sb_info *sb, device_t dev) 433{ 434 int rid; 435 436 rid = 0; 437 if (!sb->io_base) 438 sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); 439 440 rid = 0; 441 if (!sb->irq) 442 sb->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE); 443 444 rid = 0; 445 if (!sb->drq1) 446 sb->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 0, ~0, 1, RF_ACTIVE); 447 448 rid = 1; 449 if (!sb->drq2) 450 sb->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 0, ~0, 1, RF_ACTIVE); 451 452 if (sb->io_base && sb->drq1 && sb->irq) { 453 int bs = SB16_BUFFSIZE; 454 455 isa_dma_acquire(rman_get_start(sb->drq1)); 456 isa_dmainit(rman_get_start(sb->drq1), bs); 457 458 if (sb->drq2) { 459 isa_dma_acquire(rman_get_start(sb->drq2)); 460 isa_dmainit(rman_get_start(sb->drq2), bs); 461 } 462 return 0; 463 } else return ENXIO; 464} 465 466static void 467sb_intr(void *arg) 468{ 469 struct sb_info *sb = (struct sb_info *)arg; 470 int reason = 3, c; 471 472 /* 473 * The Vibra16X has separate flags for 8 and 16 bit transfers, but 474 * I have no idea how to tell capture from playback interrupts... 475 */ 476 477 reason = 0; 478 c = sb_getmixer(sb, IRQ_STAT); 479 480 /* 481 * this tells us if the source is 8-bit or 16-bit dma. We 482 * have to check the io channel to map it to read or write... 483 */ 484 485 if (sb->bd_flags & BD_F_SB16X) { 486 if (c & 1) { /* 8-bit format */ 487 if (sb->pch.fmt & AFMT_8BIT) 488 reason |= 1; 489 if (sb->rch.fmt & AFMT_8BIT) 490 reason |= 2; 491 } 492 if (c & 2) { /* 16-bit format */ 493 if (sb->pch.fmt & AFMT_16BIT) 494 reason |= 1; 495 if (sb->rch.fmt & AFMT_16BIT) 496 reason |= 2; 497 } 498 } else { 499 if (c & 1) { /* 8-bit dma */ 500 if (sb->pch.dch == sb->dl) 501 reason |= 1; 502 if (sb->rch.dch == sb->dl) 503 reason |= 2; 504 } 505 if (c & 2) { /* 16-bit dma */ 506 if (sb->pch.dch == sb->dh) 507 reason |= 1; 508 if (sb->rch.dch == sb->dh) 509 reason |= 2; 510 } 511 } 512#if 0 513 printf("sb_intr: reason=%d c=0x%x\n", reason, c); 514#endif 515 if ((reason & 1) && (sb->pch.run)) 516 chn_intr(sb->pch.channel); 517 518 if ((reason & 2) && (sb->rch.run)) 519 chn_intr(sb->rch.channel); 520 521 if (c & 1) 522 sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */ 523 524 if (c & 2) 525 sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */ 526} 527 528static int 529sb_setup(struct sb_info *sb) 530{ 531 struct sb_chinfo *ch; 532 u_int8_t v; 533 int l, pprio; 534 535 if (sb->bd_flags & BD_F_DMARUN) 536 buf_isadma(sb->pch.buffer, PCMTRIG_STOP); 537 if (sb->bd_flags & BD_F_DMARUN2) 538 buf_isadma(sb->rch.buffer, PCMTRIG_STOP); 539 sb->bd_flags &= ~(BD_F_DMARUN | BD_F_DMARUN2); 540 541 sb_reset_dsp(sb); 542 543 if (sb->bd_flags & BD_F_SB16X) { 544 pprio = sb->pch.run? 1 : 0; 545 sb->pch.buffer->chan = pprio? sb->dl : -1; 546 sb->rch.buffer->chan = pprio? sb->dh : sb->dl; 547 } else { 548 if (sb->pch.run && sb->rch.run) { 549 pprio = (sb->rch.fmt & AFMT_16BIT)? 0 : 1; 550 sb->pch.buffer->chan = pprio? sb->dh : sb->dl; 551 sb->rch.buffer->chan = pprio? sb->dl : sb->dh; 552 } else { 553 if (sb->pch.run) { 554 sb->pch.buffer->chan = (sb->pch.fmt & AFMT_16BIT)? sb->dh : sb->dl; 555 sb->rch.buffer->chan = (sb->pch.fmt & AFMT_16BIT)? sb->dl : sb->dh; 556 } else if (sb->rch.run) { 557 sb->pch.buffer->chan = (sb->rch.fmt & AFMT_16BIT)? sb->dl : sb->dh; 558 sb->rch.buffer->chan = (sb->rch.fmt & AFMT_16BIT)? sb->dh : sb->dl; 559 } 560 } 561 } 562 563 sb->pch.dch = sb->pch.buffer->chan; 564 sb->rch.dch = sb->rch.buffer->chan; 565 566 sb->pch.buffer->dir = ISADMA_WRITE; 567 sb->rch.buffer->dir = ISADMA_READ; 568 569 /* 570 printf("setup: [pch = %d, pfmt = %d, pgo = %d] [rch = %d, rfmt = %d, rgo = %d]\n", 571 sb->pch.dch, sb->pch.fmt, sb->pch.run, sb->rch.dch, sb->rch.fmt, sb->rch.run); 572 */ 573 574 ch = &sb->pch; 575 if (ch->run) { 576 l = ch->blksz; 577 if (ch->fmt & AFMT_16BIT) 578 l >>= 1; 579 l--; 580 581 /* play speed */ 582 RANGE(ch->spd, 5000, 45000); 583 sb_cmd(sb, DSP_CMD_OUT16); 584 sb_cmd(sb, ch->spd >> 8); 585 sb_cmd(sb, ch->spd & 0xff); 586 587 /* play format, length */ 588 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_DAC; 589 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8; 590 sb_cmd(sb, v); 591 592 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0; 593 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0; 594 sb_cmd2(sb, v, l); 595 buf_isadma(ch->buffer, PCMTRIG_START); 596 sb->bd_flags |= BD_F_DMARUN; 597 } 598 599 ch = &sb->rch; 600 if (ch->run) { 601 l = ch->blksz; 602 if (ch->fmt & AFMT_16BIT) 603 l >>= 1; 604 l--; 605 606 /* record speed */ 607 RANGE(ch->spd, 5000, 45000); 608 sb_cmd(sb, DSP_CMD_IN16); 609 sb_cmd(sb, ch->spd >> 8); 610 sb_cmd(sb, ch->spd & 0xff); 611 612 /* record format, length */ 613 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_ADC; 614 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8; 615 sb_cmd(sb, v); 616 617 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0; 618 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0; 619 sb_cmd2(sb, v, l); 620 buf_isadma(ch->buffer, PCMTRIG_START); 621 sb->bd_flags |= BD_F_DMARUN2; 622 } 623 624 return 0; 625} 626 627/* channel interface */ 628static void * 629sb16chan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir) 630{ 631 struct sb_info *sb = devinfo; 632 struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch; 633 634 ch->parent = sb; 635 ch->channel = c; 636 ch->buffer = b; 637 ch->buffer->bufsize = SB16_BUFFSIZE; 638 ch->dir = dir; 639 640 if (chn_allocbuf(ch->buffer, sb->parent_dmat) == -1) 641 return NULL; 642 643 return ch; 644} 645 646static int 647sb16chan_setformat(void *data, u_int32_t format) 648{ 649 struct sb_chinfo *ch = data; 650 struct sb_info *sb = ch->parent; 651 652 ch->fmt = format; 653 sb->prio = ch->dir; 654 sb->prio16 = (ch->fmt & AFMT_16BIT)? 1 : 0; 655 656 return 0; 657} 658 659static int 660sb16chan_setspeed(void *data, u_int32_t speed) 661{ 662 struct sb_chinfo *ch = data; 663 664 ch->spd = speed; 665 return speed; 666} 667 668static int 669sb16chan_setblocksize(void *data, u_int32_t blocksize) 670{ 671 struct sb_chinfo *ch = data; 672 673 ch->blksz = blocksize; 674 return blocksize; 675} 676 677static int 678sb16chan_trigger(void *data, int go) 679{ 680 struct sb_chinfo *ch = data; 681 struct sb_info *sb = ch->parent; 682 683 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 684 return 0; 685 686 if (go == PCMTRIG_START) 687 ch->run = 1; 688 else 689 ch->run = 0; 690 691 sb_setup(sb); 692 693 return 0; 694} 695 696static int 697sb16chan_getptr(void *data) 698{ 699 struct sb_chinfo *ch = data; 700 701 return buf_isadmaptr(ch->buffer); 702} 703 704static pcmchan_caps * 705sb16chan_getcaps(void *data) 706{ 707 struct sb_chinfo *ch = data; 708 struct sb_info *sb = ch->parent; 709 710 if ((sb->prio == 0) || (sb->prio == ch->dir)) 711 return &sb16x_caps; 712 else 713 return sb->prio16? &sb16_caps8 : &sb16_caps16; 714} 715 716static int 717sb16chan_reset(void *data) 718{ 719/* 720 struct sb_chinfo *ch = data; 721 struct sb_info *sb = ch->parent; 722*/ 723 return 0; 724} 725 726static int 727sb16chan_resetdone(void *data) 728{ 729 struct sb_chinfo *ch = data; 730 struct sb_info *sb = ch->parent; 731 732 sb->prio = 0; 733 734 return 0; 735} 736 737/************************************************************/ 738 739static int 740sb16_probe(device_t dev) 741{ 742 char buf[64]; 743 uintptr_t func, ver, r, f; 744 745 /* The parent device has already been probed. */ 746 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func); 747 if (func != SCF_PCM) 748 return (ENXIO); 749 750 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); 751 f = (ver & 0xffff0000) >> 16; 752 ver &= 0x0000ffff; 753 if (f & BD_F_SB16) { 754 snprintf(buf, sizeof buf, "SB16 DSP %d.%02d%s", (int) ver >> 8, (int) ver & 0xff, 755 (f & BD_F_SB16X)? " (ViBRA16X)" : ""); 756 device_set_desc_copy(dev, buf); 757 return 0; 758 } else 759 return (ENXIO); 760} 761 762static int 763sb16_attach(device_t dev) 764{ 765 struct sb_info *sb; 766 uintptr_t ver; 767 char status[SND_STATUSLEN]; 768 int bs = SB16_BUFFSIZE; 769 770 sb = (struct sb_info *)malloc(sizeof *sb, M_DEVBUF, M_NOWAIT); 771 if (!sb) 772 return ENXIO; 773 bzero(sb, sizeof *sb); 774 775 BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); 776 sb->bd_id = ver & 0x0000ffff; 777 sb->bd_flags = (ver & 0xffff0000) >> 16; 778 779 if (sb16_alloc_resources(sb, dev)) 780 goto no; 781 if (sb_reset_dsp(sb)) 782 goto no; 783 if (mixer_init(dev, &sb16_mixer, sb)) 784 goto no; 785 if (bus_setup_intr(dev, sb->irq, INTR_TYPE_TTY, sb_intr, sb, &sb->ih)) 786 goto no; 787 788 if (!sb->drq2 || (sb->bd_flags & BD_F_SB16X)) 789 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 790 791 sb->dl = rman_get_start(sb->drq1); 792 sb->dh = sb->drq2? rman_get_start(sb->drq2) : sb->dl; 793 sb->prio = 0; 794 795 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, 796 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 797 /*highaddr*/BUS_SPACE_MAXADDR, 798 /*filter*/NULL, /*filterarg*/NULL, 799 /*maxsize*/bs, /*nsegments*/1, 800 /*maxsegz*/0x3ffff, 801 /*flags*/0, &sb->parent_dmat) != 0) { 802 device_printf(dev, "unable to create dma tag\n"); 803 goto no; 804 } 805 806 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld", 807 rman_get_start(sb->io_base), rman_get_start(sb->irq), 808 rman_get_start(sb->drq1)); 809 if (sb->drq2) 810 snprintf(status + strlen(status), SND_STATUSLEN - strlen(status), 811 ":%ld", rman_get_start(sb->drq2)); 812 813 if (pcm_register(dev, sb, 1, 1)) 814 goto no; 815 pcm_addchan(dev, PCMDIR_REC, &sb_chantemplate, sb); 816 pcm_addchan(dev, PCMDIR_PLAY, &sb_chantemplate, sb); 817 818 pcm_setstatus(dev, status); 819 820 return 0; 821 822no: 823 sb16_release_resources(sb, dev); 824 return ENXIO; 825} 826 827static int 828sb16_detach(device_t dev) 829{ 830 int r; 831 struct sb_info *sb; 832 833 r = pcm_unregister(dev); 834 if (r) 835 return r; 836 837 sb = pcm_getdevinfo(dev); 838 sb16_release_resources(sb, dev); 839 return 0; 840} 841 842static device_method_t sb16_methods[] = { 843 /* Device interface */ 844 DEVMETHOD(device_probe, sb16_probe), 845 DEVMETHOD(device_attach, sb16_attach), 846 DEVMETHOD(device_detach, sb16_detach), 847 848 { 0, 0 } 849}; 850 851static driver_t sb16_driver = { 852 "pcm", 853 sb16_methods, 854 sizeof(snddev_info), 855}; 856 857DRIVER_MODULE(snd_sb16, sbc, sb16_driver, pcm_devclass, 0, 0); 858MODULE_DEPEND(snd_sb16, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); 859MODULE_VERSION(snd_sb16, 1); 860 861 862 863 864