sb16.c revision 129181
1/* 2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org> 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 <isa/isavar.h> 38 39#include "mixer_if.h" 40 41SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/isa/sb16.c 129181 2004-05-13 11:33:44Z truckman $"); 42 43#define SB16_BUFFSIZE 4096 44#define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16) 45 46static u_int32_t sb16_fmt8[] = { 47 AFMT_U8, 48 AFMT_STEREO | AFMT_U8, 49 0 50}; 51static struct pcmchan_caps sb16_caps8 = {5000, 45000, sb16_fmt8, 0}; 52 53static u_int32_t sb16_fmt16[] = { 54 AFMT_S16_LE, 55 AFMT_STEREO | AFMT_S16_LE, 56 0 57}; 58static struct pcmchan_caps sb16_caps16 = {5000, 45000, sb16_fmt16, 0}; 59 60static u_int32_t sb16x_fmt[] = { 61 AFMT_U8, 62 AFMT_STEREO | AFMT_U8, 63 AFMT_S16_LE, 64 AFMT_STEREO | AFMT_S16_LE, 65 0 66}; 67static struct pcmchan_caps sb16x_caps = {5000, 49000, sb16x_fmt, 0}; 68 69struct sb_info; 70 71struct sb_chinfo { 72 struct sb_info *parent; 73 struct pcm_channel *channel; 74 struct snd_dbuf *buffer; 75 int dir, run, dch; 76 u_int32_t fmt, spd, blksz; 77}; 78 79struct sb_info { 80 struct resource *io_base; /* I/O address for the board */ 81 struct resource *irq; 82 struct resource *drq1; 83 struct resource *drq2; 84 void *ih; 85 bus_dma_tag_t parent_dmat; 86 87 unsigned int bufsize; 88 int bd_id; 89 u_long bd_flags; /* board-specific flags */ 90 int prio, prio16; 91 struct sb_chinfo pch, rch; 92 device_t parent_dev; 93}; 94 95#if 0 96static void sb_lock(struct sb_info *sb); 97static void sb_unlock(struct sb_info *sb); 98static int sb_rd(struct sb_info *sb, int reg); 99static void sb_wr(struct sb_info *sb, int reg, u_int8_t val); 100static int sb_cmd(struct sb_info *sb, u_char val); 101/* static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); */ 102static int sb_cmd2(struct sb_info *sb, u_char cmd, int val); 103static u_int sb_get_byte(struct sb_info *sb); 104static void sb_setmixer(struct sb_info *sb, u_int port, u_int value); 105static int sb_getmixer(struct sb_info *sb, u_int port); 106static int sb_reset_dsp(struct sb_info *sb); 107 108static void sb_intr(void *arg); 109#endif 110 111/* 112 * Common code for the midi and pcm functions 113 * 114 * sb_cmd write a single byte to the CMD port. 115 * sb_cmd1 write a CMD + 1 byte arg 116 * sb_cmd2 write a CMD + 2 byte arg 117 * sb_get_byte returns a single byte from the DSP data port 118 */ 119 120static void 121sb_lock(struct sb_info *sb) { 122 123 sbc_lock(device_get_softc(sb->parent_dev)); 124} 125 126static void 127sb_lockassert(struct sb_info *sb) { 128 129 sbc_lockassert(device_get_softc(sb->parent_dev)); 130} 131 132static void 133sb_unlock(struct sb_info *sb) { 134 135 sbc_unlock(device_get_softc(sb->parent_dev)); 136} 137 138static int 139port_rd(struct resource *port, int off) 140{ 141 return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off); 142} 143 144static void 145port_wr(struct resource *port, int off, u_int8_t data) 146{ 147 bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data); 148} 149 150static int 151sb_rd(struct sb_info *sb, int reg) 152{ 153 return port_rd(sb->io_base, reg); 154} 155 156static void 157sb_wr(struct sb_info *sb, int reg, u_int8_t val) 158{ 159 port_wr(sb->io_base, reg, val); 160} 161 162static int 163sb_dspwr(struct sb_info *sb, u_char val) 164{ 165 int i; 166 167 for (i = 0; i < 1000; i++) { 168 if ((sb_rd(sb, SBDSP_STATUS) & 0x80)) 169 DELAY((i > 100)? 1000 : 10); 170 else { 171 sb_wr(sb, SBDSP_CMD, val); 172 return 1; 173 } 174 } 175#if __FreeBSD_version > 500000 176 if (curthread->td_intr_nesting_level == 0) 177 printf("sb_dspwr(0x%02x) timed out.\n", val); 178#endif 179 return 0; 180} 181 182static int 183sb_cmd(struct sb_info *sb, u_char val) 184{ 185#if 0 186 printf("sb_cmd: %x\n", val); 187#endif 188 return sb_dspwr(sb, val); 189} 190 191/* 192static int 193sb_cmd1(struct sb_info *sb, u_char cmd, int val) 194{ 195#if 0 196 printf("sb_cmd1: %x, %x\n", cmd, val); 197#endif 198 if (sb_dspwr(sb, cmd)) { 199 return sb_dspwr(sb, val & 0xff); 200 } else return 0; 201} 202*/ 203 204static int 205sb_cmd2(struct sb_info *sb, u_char cmd, int val) 206{ 207 int r; 208 209#if 0 210 printf("sb_cmd2: %x, %x\n", cmd, val); 211#endif 212 sb_lock(sb); 213 r = 0; 214 if (sb_dspwr(sb, cmd)) { 215 if (sb_dspwr(sb, val & 0xff)) { 216 if (sb_dspwr(sb, (val >> 8) & 0xff)) { 217 r = 1; 218 } 219 } 220 } 221 sb_unlock(sb); 222 223 return r; 224} 225 226/* 227 * in the SB, there is a set of indirect "mixer" registers with 228 * address at offset 4, data at offset 5 229 */ 230static void 231sb_setmixer(struct sb_info *sb, u_int port, u_int value) 232{ 233 sb_lock(sb); 234 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 235 DELAY(10); 236 sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff)); 237 DELAY(10); 238 sb_unlock(sb); 239} 240 241static int 242sb_getmixer(struct sb_info *sb, u_int port) 243{ 244 int val; 245 246 sb_lock(sb); 247 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 248 DELAY(10); 249 val = sb_rd(sb, SB_MIX_DATA); 250 DELAY(10); 251 sb_unlock(sb); 252 253 return val; 254} 255 256static u_int 257sb_get_byte(struct sb_info *sb) 258{ 259 int i; 260 261 for (i = 1000; i > 0; i--) { 262 if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80) 263 return sb_rd(sb, DSP_READ); 264 else 265 DELAY(20); 266 } 267 return 0xffff; 268} 269 270static int 271sb_reset_dsp(struct sb_info *sb) 272{ 273 u_char b; 274 275 sb_lockassert(sb); 276 sb_wr(sb, SBDSP_RST, 3); 277 DELAY(100); 278 sb_wr(sb, SBDSP_RST, 0); 279 b = sb_get_byte(sb); 280 if (b != 0xAA) { 281 DEB(printf("sb_reset_dsp 0x%lx failed\n", 282 rman_get_start(sb->io_base))); 283 return ENXIO; /* Sorry */ 284 } 285 return 0; 286} 287 288/************************************************************/ 289 290struct sb16_mixent { 291 int reg; 292 int bits; 293 int ofs; 294 int stereo; 295}; 296 297static const struct sb16_mixent sb16_mixtab[32] = { 298 [SOUND_MIXER_VOLUME] = { 0x30, 5, 3, 1 }, 299 [SOUND_MIXER_PCM] = { 0x32, 5, 3, 1 }, 300 [SOUND_MIXER_SYNTH] = { 0x34, 5, 3, 1 }, 301 [SOUND_MIXER_CD] = { 0x36, 5, 3, 1 }, 302 [SOUND_MIXER_LINE] = { 0x38, 5, 3, 1 }, 303 [SOUND_MIXER_MIC] = { 0x3a, 5, 3, 0 }, 304 [SOUND_MIXER_SPEAKER] = { 0x3b, 5, 3, 0 }, 305 [SOUND_MIXER_IGAIN] = { 0x3f, 2, 6, 1 }, 306 [SOUND_MIXER_OGAIN] = { 0x41, 2, 6, 1 }, 307 [SOUND_MIXER_TREBLE] = { 0x44, 4, 4, 1 }, 308 [SOUND_MIXER_BASS] = { 0x46, 4, 4, 1 }, 309 [SOUND_MIXER_LINE1] = { 0x52, 5, 3, 1 } 310}; 311 312static int 313sb16mix_init(struct snd_mixer *m) 314{ 315 struct sb_info *sb = mix_getdevinfo(m); 316 317 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | 318 SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD | 319 SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | SOUND_MASK_LINE1 | 320 SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE); 321 322 mix_setrecdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_LINE | 323 SOUND_MASK_LINE1 | SOUND_MASK_MIC | SOUND_MASK_CD); 324 325 sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */ 326 327 sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */ 328 sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */ 329 330 return 0; 331} 332 333static int 334sb16mix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) 335{ 336 struct sb_info *sb = mix_getdevinfo(m); 337 const struct sb16_mixent *e; 338 int max; 339 340 e = &sb16_mixtab[dev]; 341 max = (1 << e->bits) - 1; 342 343 left = (left * max) / 100; 344 right = (right * max) / 100; 345 346 sb_setmixer(sb, e->reg, left << e->ofs); 347 if (e->stereo) 348 sb_setmixer(sb, e->reg + 1, right << e->ofs); 349 else 350 right = left; 351 352 left = (left * 100) / max; 353 right = (right * 100) / max; 354 355 return left | (right << 8); 356} 357 358static int 359sb16mix_setrecsrc(struct snd_mixer *m, u_int32_t src) 360{ 361 struct sb_info *sb = mix_getdevinfo(m); 362 u_char recdev; 363 364 recdev = 0; 365 if (src & SOUND_MASK_MIC) 366 recdev |= 0x01; /* mono mic */ 367 368 if (src & SOUND_MASK_CD) 369 recdev |= 0x06; /* l+r cd */ 370 371 if (src & SOUND_MASK_LINE) 372 recdev |= 0x18; /* l+r line */ 373 374 if (src & SOUND_MASK_SYNTH) 375 recdev |= 0x60; /* l+r midi */ 376 377 sb_setmixer(sb, SB16_IMASK_L, recdev); 378 sb_setmixer(sb, SB16_IMASK_R, recdev); 379 380 /* Switch on/off FM tuner source */ 381 if (src & SOUND_MASK_LINE1) 382 sb_setmixer(sb, 0x4a, 0x0c); 383 else 384 sb_setmixer(sb, 0x4a, 0x00); 385 386 /* 387 * since the same volume controls apply to the input and 388 * output sections, the best approach to have a consistent 389 * behaviour among cards would be to disable the output path 390 * on devices which are used to record. 391 * However, since users like to have feedback, we only disable 392 * the mic -- permanently. 393 */ 394 sb_setmixer(sb, SB16_OMASK, 0x1f & ~1); 395 396 return src; 397} 398 399static kobj_method_t sb16mix_mixer_methods[] = { 400 KOBJMETHOD(mixer_init, sb16mix_init), 401 KOBJMETHOD(mixer_set, sb16mix_set), 402 KOBJMETHOD(mixer_setrecsrc, sb16mix_setrecsrc), 403 { 0, 0 } 404}; 405MIXER_DECLARE(sb16mix_mixer); 406 407/************************************************************/ 408 409static void 410sb16_release_resources(struct sb_info *sb, device_t dev) 411{ 412 if (sb->irq) { 413 if (sb->ih) 414 bus_teardown_intr(dev, sb->irq, sb->ih); 415 bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq); 416 sb->irq = 0; 417 } 418 if (sb->drq2) { 419 if (sb->drq2 != sb->drq1) { 420 isa_dma_release(rman_get_start(sb->drq2)); 421 bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2); 422 } 423 sb->drq2 = 0; 424 } 425 if (sb->drq1) { 426 isa_dma_release(rman_get_start(sb->drq1)); 427 bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1); 428 sb->drq1 = 0; 429 } 430 if (sb->io_base) { 431 bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base); 432 sb->io_base = 0; 433 } 434 if (sb->parent_dmat) { 435 bus_dma_tag_destroy(sb->parent_dmat); 436 sb->parent_dmat = 0; 437 } 438 free(sb, M_DEVBUF); 439} 440 441static int 442sb16_alloc_resources(struct sb_info *sb, device_t dev) 443{ 444 int rid; 445 446 rid = 0; 447 if (!sb->io_base) 448 sb->io_base = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 449 &rid, RF_ACTIVE); 450 451 rid = 0; 452 if (!sb->irq) 453 sb->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 454 RF_ACTIVE); 455 456 rid = 0; 457 if (!sb->drq1) 458 sb->drq1 = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid, 459 RF_ACTIVE); 460 461 rid = 1; 462 if (!sb->drq2) 463 sb->drq2 = bus_alloc_resource_any(dev, SYS_RES_DRQ, &rid, 464 RF_ACTIVE); 465 466 if (sb->io_base && sb->drq1 && sb->irq) { 467 isa_dma_acquire(rman_get_start(sb->drq1)); 468 isa_dmainit(rman_get_start(sb->drq1), sb->bufsize); 469 470 if (sb->drq2) { 471 isa_dma_acquire(rman_get_start(sb->drq2)); 472 isa_dmainit(rman_get_start(sb->drq2), sb->bufsize); 473 } else { 474 sb->drq2 = sb->drq1; 475 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 476 } 477 return 0; 478 } else return ENXIO; 479} 480 481/* sbc does locking for us */ 482static void 483sb_intr(void *arg) 484{ 485 struct sb_info *sb = (struct sb_info *)arg; 486 int reason = 3, c; 487 488 /* 489 * The Vibra16X has separate flags for 8 and 16 bit transfers, but 490 * I have no idea how to tell capture from playback interrupts... 491 */ 492 493 reason = 0; 494 sb_lock(sb); 495 c = sb_getmixer(sb, IRQ_STAT); 496 if (c & 1) 497 sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */ 498 499 if (c & 2) 500 sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */ 501 sb_unlock(sb); 502 503 /* 504 * this tells us if the source is 8-bit or 16-bit dma. We 505 * have to check the io channel to map it to read or write... 506 */ 507 508 if (sb->bd_flags & BD_F_SB16X) { 509 if (c & 1) { /* 8-bit format */ 510 if (sb->pch.fmt & AFMT_8BIT) 511 reason |= 1; 512 if (sb->rch.fmt & AFMT_8BIT) 513 reason |= 2; 514 } 515 if (c & 2) { /* 16-bit format */ 516 if (sb->pch.fmt & AFMT_16BIT) 517 reason |= 1; 518 if (sb->rch.fmt & AFMT_16BIT) 519 reason |= 2; 520 } 521 } else { 522 if (c & 1) { /* 8-bit dma */ 523 if (sb->pch.dch == 1) 524 reason |= 1; 525 if (sb->rch.dch == 1) 526 reason |= 2; 527 } 528 if (c & 2) { /* 16-bit dma */ 529 if (sb->pch.dch == 2) 530 reason |= 1; 531 if (sb->rch.dch == 2) 532 reason |= 2; 533 } 534 } 535#if 0 536 printf("sb_intr: reason=%d c=0x%x\n", reason, c); 537#endif 538 if ((reason & 1) && (sb->pch.run)) 539 chn_intr(sb->pch.channel); 540 541 if ((reason & 2) && (sb->rch.run)) 542 chn_intr(sb->rch.channel); 543} 544 545static int 546sb_setup(struct sb_info *sb) 547{ 548 struct sb_chinfo *ch; 549 u_int8_t v; 550 int l, pprio; 551 552 sb_lock(sb); 553 if (sb->bd_flags & BD_F_DMARUN) 554 sndbuf_dma(sb->pch.buffer, PCMTRIG_STOP); 555 if (sb->bd_flags & BD_F_DMARUN2) 556 sndbuf_dma(sb->rch.buffer, PCMTRIG_STOP); 557 sb->bd_flags &= ~(BD_F_DMARUN | BD_F_DMARUN2); 558 559 sb_reset_dsp(sb); 560 561 if (sb->bd_flags & BD_F_SB16X) { 562 pprio = sb->pch.run? 1 : 0; 563 sndbuf_dmasetup(sb->pch.buffer, pprio? sb->drq1 : NULL); 564 sb->pch.dch = pprio? 1 : 0; 565 sndbuf_dmasetup(sb->rch.buffer, pprio? sb->drq2 : sb->drq1); 566 sb->rch.dch = pprio? 2 : 1; 567 } else { 568 if (sb->pch.run && sb->rch.run) { 569 pprio = (sb->rch.fmt & AFMT_16BIT)? 0 : 1; 570 sndbuf_dmasetup(sb->pch.buffer, pprio? sb->drq2 : sb->drq1); 571 sb->pch.dch = pprio? 2 : 1; 572 sndbuf_dmasetup(sb->rch.buffer, pprio? sb->drq1 : sb->drq2); 573 sb->rch.dch = pprio? 1 : 2; 574 } else { 575 if (sb->pch.run) { 576 sndbuf_dmasetup(sb->pch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1); 577 sb->pch.dch = (sb->pch.fmt & AFMT_16BIT)? 2 : 1; 578 sndbuf_dmasetup(sb->rch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2); 579 sb->rch.dch = (sb->pch.fmt & AFMT_16BIT)? 1 : 2; 580 } else if (sb->rch.run) { 581 sndbuf_dmasetup(sb->pch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2); 582 sb->pch.dch = (sb->rch.fmt & AFMT_16BIT)? 1 : 2; 583 sndbuf_dmasetup(sb->rch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1); 584 sb->rch.dch = (sb->rch.fmt & AFMT_16BIT)? 2 : 1; 585 } 586 } 587 } 588 589 sndbuf_dmasetdir(sb->pch.buffer, PCMDIR_PLAY); 590 sndbuf_dmasetdir(sb->rch.buffer, PCMDIR_REC); 591 592 /* 593 printf("setup: [pch = %d, pfmt = %d, pgo = %d] [rch = %d, rfmt = %d, rgo = %d]\n", 594 sb->pch.dch, sb->pch.fmt, sb->pch.run, sb->rch.dch, sb->rch.fmt, sb->rch.run); 595 */ 596 597 ch = &sb->pch; 598 if (ch->run) { 599 l = ch->blksz; 600 if (ch->fmt & AFMT_16BIT) 601 l >>= 1; 602 l--; 603 604 /* play speed */ 605 RANGE(ch->spd, 5000, 45000); 606 sb_cmd(sb, DSP_CMD_OUT16); 607 sb_cmd(sb, ch->spd >> 8); 608 sb_cmd(sb, ch->spd & 0xff); 609 610 /* play format, length */ 611 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_DAC; 612 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8; 613 sb_cmd(sb, v); 614 615 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0; 616 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0; 617 sb_cmd2(sb, v, l); 618 sndbuf_dma(ch->buffer, PCMTRIG_START); 619 sb->bd_flags |= BD_F_DMARUN; 620 } 621 622 ch = &sb->rch; 623 if (ch->run) { 624 l = ch->blksz; 625 if (ch->fmt & AFMT_16BIT) 626 l >>= 1; 627 l--; 628 629 /* record speed */ 630 RANGE(ch->spd, 5000, 45000); 631 sb_cmd(sb, DSP_CMD_IN16); 632 sb_cmd(sb, ch->spd >> 8); 633 sb_cmd(sb, ch->spd & 0xff); 634 635 /* record format, length */ 636 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_ADC; 637 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8; 638 sb_cmd(sb, v); 639 640 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0; 641 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0; 642 sb_cmd2(sb, v, l); 643 sndbuf_dma(ch->buffer, PCMTRIG_START); 644 sb->bd_flags |= BD_F_DMARUN2; 645 } 646 sb_unlock(sb); 647 648 return 0; 649} 650 651/* channel interface */ 652static void * 653sb16chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 654{ 655 struct sb_info *sb = devinfo; 656 struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch; 657 658 ch->parent = sb; 659 ch->channel = c; 660 ch->buffer = b; 661 ch->dir = dir; 662 663 if (sndbuf_alloc(ch->buffer, sb->parent_dmat, sb->bufsize) == -1) 664 return NULL; 665 666 return ch; 667} 668 669static int 670sb16chan_setformat(kobj_t obj, void *data, u_int32_t format) 671{ 672 struct sb_chinfo *ch = data; 673 struct sb_info *sb = ch->parent; 674 675 ch->fmt = format; 676 sb->prio = ch->dir; 677 sb->prio16 = (ch->fmt & AFMT_16BIT)? 1 : 0; 678 679 return 0; 680} 681 682static int 683sb16chan_setspeed(kobj_t obj, void *data, u_int32_t speed) 684{ 685 struct sb_chinfo *ch = data; 686 687 ch->spd = speed; 688 return speed; 689} 690 691static int 692sb16chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 693{ 694 struct sb_chinfo *ch = data; 695 696 ch->blksz = blocksize; 697 return ch->blksz; 698} 699 700static int 701sb16chan_trigger(kobj_t obj, void *data, int go) 702{ 703 struct sb_chinfo *ch = data; 704 struct sb_info *sb = ch->parent; 705 706 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 707 return 0; 708 709 if (go == PCMTRIG_START) 710 ch->run = 1; 711 else 712 ch->run = 0; 713 714 sb_setup(sb); 715 716 return 0; 717} 718 719static int 720sb16chan_getptr(kobj_t obj, void *data) 721{ 722 struct sb_chinfo *ch = data; 723 724 return sndbuf_dmaptr(ch->buffer); 725} 726 727static struct pcmchan_caps * 728sb16chan_getcaps(kobj_t obj, void *data) 729{ 730 struct sb_chinfo *ch = data; 731 struct sb_info *sb = ch->parent; 732 733 if ((sb->prio == 0) || (sb->prio == ch->dir)) 734 return &sb16x_caps; 735 else 736 return sb->prio16? &sb16_caps8 : &sb16_caps16; 737} 738 739static int 740sb16chan_resetdone(kobj_t obj, void *data) 741{ 742 struct sb_chinfo *ch = data; 743 struct sb_info *sb = ch->parent; 744 745 sb->prio = 0; 746 747 return 0; 748} 749 750static kobj_method_t sb16chan_methods[] = { 751 KOBJMETHOD(channel_init, sb16chan_init), 752 KOBJMETHOD(channel_resetdone, sb16chan_resetdone), 753 KOBJMETHOD(channel_setformat, sb16chan_setformat), 754 KOBJMETHOD(channel_setspeed, sb16chan_setspeed), 755 KOBJMETHOD(channel_setblocksize, sb16chan_setblocksize), 756 KOBJMETHOD(channel_trigger, sb16chan_trigger), 757 KOBJMETHOD(channel_getptr, sb16chan_getptr), 758 KOBJMETHOD(channel_getcaps, sb16chan_getcaps), 759 { 0, 0 } 760}; 761CHANNEL_DECLARE(sb16chan); 762 763/************************************************************/ 764 765static int 766sb16_probe(device_t dev) 767{ 768 char buf[64]; 769 uintptr_t func, ver, r, f; 770 771 /* The parent device has already been probed. */ 772 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func); 773 if (func != SCF_PCM) 774 return (ENXIO); 775 776 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); 777 f = (ver & 0xffff0000) >> 16; 778 ver &= 0x0000ffff; 779 if (f & BD_F_SB16) { 780 snprintf(buf, sizeof buf, "SB16 DSP %d.%02d%s", (int) ver >> 8, (int) ver & 0xff, 781 (f & BD_F_SB16X)? " (ViBRA16X)" : ""); 782 device_set_desc_copy(dev, buf); 783 return 0; 784 } else 785 return (ENXIO); 786} 787 788static int 789sb16_attach(device_t dev) 790{ 791 struct sb_info *sb; 792 uintptr_t ver; 793 char status[SND_STATUSLEN], status2[SND_STATUSLEN]; 794 795 sb = (struct sb_info *)malloc(sizeof *sb, M_DEVBUF, M_NOWAIT | M_ZERO); 796 if (!sb) 797 return ENXIO; 798 799 sb->parent_dev = device_get_parent(dev); 800 BUS_READ_IVAR(sb->parent_dev, dev, 1, &ver); 801 sb->bd_id = ver & 0x0000ffff; 802 sb->bd_flags = (ver & 0xffff0000) >> 16; 803 sb->bufsize = pcm_getbuffersize(dev, 4096, SB16_BUFFSIZE, 65536); 804 805 if (sb16_alloc_resources(sb, dev)) 806 goto no; 807 sb_lock(sb); 808 if (sb_reset_dsp(sb)) { 809 sb_unlock(sb); 810 goto no; 811 } 812 sb_unlock(sb); 813 if (mixer_init(dev, &sb16mix_mixer_class, sb)) 814 goto no; 815 if (snd_setup_intr(dev, sb->irq, 0, sb_intr, sb, &sb->ih)) 816 goto no; 817 818 if (sb->bd_flags & BD_F_SB16X) 819 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 820 821 sb->prio = 0; 822 823 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, 824 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 825 /*highaddr*/BUS_SPACE_MAXADDR, 826 /*filter*/NULL, /*filterarg*/NULL, 827 /*maxsize*/sb->bufsize, /*nsegments*/1, 828 /*maxsegz*/0x3ffff, /*flags*/0, 829 /*lockfunc*/busdma_lock_mutex, /*lockarg*/&Giant, 830 &sb->parent_dmat) != 0) { 831 device_printf(dev, "unable to create dma tag\n"); 832 goto no; 833 } 834 835 if (!(pcm_getflags(dev) & SD_F_SIMPLEX)) 836 snprintf(status2, SND_STATUSLEN, ":%ld", rman_get_start(sb->drq2)); 837 else 838 status2[0] = '\0'; 839 840 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %ud %s", 841 rman_get_start(sb->io_base), rman_get_start(sb->irq), 842 rman_get_start(sb->drq1), status2, sb->bufsize, 843 PCM_KLDSTRING(snd_sb16)); 844 845 if (pcm_register(dev, sb, 1, 1)) 846 goto no; 847 pcm_addchan(dev, PCMDIR_REC, &sb16chan_class, sb); 848 pcm_addchan(dev, PCMDIR_PLAY, &sb16chan_class, sb); 849 850 pcm_setstatus(dev, status); 851 852 return 0; 853 854no: 855 sb16_release_resources(sb, dev); 856 return ENXIO; 857} 858 859static int 860sb16_detach(device_t dev) 861{ 862 int r; 863 struct sb_info *sb; 864 865 r = pcm_unregister(dev); 866 if (r) 867 return r; 868 869 sb = pcm_getdevinfo(dev); 870 sb16_release_resources(sb, dev); 871 return 0; 872} 873 874static device_method_t sb16_methods[] = { 875 /* Device interface */ 876 DEVMETHOD(device_probe, sb16_probe), 877 DEVMETHOD(device_attach, sb16_attach), 878 DEVMETHOD(device_detach, sb16_detach), 879 880 { 0, 0 } 881}; 882 883static driver_t sb16_driver = { 884 "pcm", 885 sb16_methods, 886 PCM_SOFTC_SIZE, 887}; 888 889DRIVER_MODULE(snd_sb16, sbc, sb16_driver, pcm_devclass, 0, 0); 890MODULE_DEPEND(snd_sb16, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); 891MODULE_DEPEND(snd_sb16, snd_sbc, 1, 1, 1); 892MODULE_VERSION(snd_sb16, 1); 893