sb16.c revision 84111
1/* 2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk> 3 * Copyright 1997,1998 Luigi Rizzo. 4 * 5 * Derived from files in the Voxware 3.5 distribution, 6 * Copyright by Hannu Savolainen 1994, under the same copyright 7 * conditions. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#include <dev/sound/pcm/sound.h> 33 34#include <dev/sound/isa/sb.h> 35#include <dev/sound/chip.h> 36 37#include "mixer_if.h" 38 39SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/isa/sb16.c 84111 2001-09-29 07:57:07Z cg $"); 40 41#define SB16_BUFFSIZE 4096 42#define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16) 43 44static u_int32_t sb16_fmt8[] = { 45 AFMT_U8, 46 AFMT_STEREO | AFMT_U8, 47 0 48}; 49static struct pcmchan_caps sb16_caps8 = {5000, 45000, sb16_fmt8, 0}; 50 51static u_int32_t sb16_fmt16[] = { 52 AFMT_S16_LE, 53 AFMT_STEREO | AFMT_S16_LE, 54 0 55}; 56static struct pcmchan_caps sb16_caps16 = {5000, 45000, sb16_fmt16, 0}; 57 58static u_int32_t sb16x_fmt[] = { 59 AFMT_U8, 60 AFMT_STEREO | AFMT_U8, 61 AFMT_S16_LE, 62 AFMT_STEREO | AFMT_S16_LE, 63 0 64}; 65static struct pcmchan_caps sb16x_caps = {5000, 49000, sb16x_fmt, 0}; 66 67struct sb_info; 68 69struct sb_chinfo { 70 struct sb_info *parent; 71 struct pcm_channel *channel; 72 struct snd_dbuf *buffer; 73 int dir, run, dch; 74 u_int32_t fmt, spd, blksz; 75}; 76 77struct sb_info { 78 struct resource *io_base; /* I/O address for the board */ 79 struct resource *irq; 80 struct resource *drq1; 81 struct resource *drq2; 82 void *ih; 83 bus_dma_tag_t parent_dmat; 84 85 unsigned int bufsize; 86 int bd_id; 87 u_long bd_flags; /* board-specific flags */ 88 int prio, prio16; 89 struct sb_chinfo pch, rch; 90 device_t parent_dev; 91}; 92 93#if 0 94static void sb_lock(struct sb_info *sb); 95static void sb_unlock(struct sb_info *sb); 96static int sb_rd(struct sb_info *sb, int reg); 97static void sb_wr(struct sb_info *sb, int reg, u_int8_t val); 98static int sb_cmd(struct sb_info *sb, u_char val); 99/* static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); */ 100static int sb_cmd2(struct sb_info *sb, u_char cmd, int val); 101static u_int sb_get_byte(struct sb_info *sb); 102static void sb_setmixer(struct sb_info *sb, u_int port, u_int value); 103static int sb_getmixer(struct sb_info *sb, u_int port); 104static int sb_reset_dsp(struct sb_info *sb); 105 106static void sb_intr(void *arg); 107#endif 108 109/* 110 * Common code for the midi and pcm functions 111 * 112 * sb_cmd write a single byte to the CMD port. 113 * sb_cmd1 write a CMD + 1 byte arg 114 * sb_cmd2 write a CMD + 2 byte arg 115 * sb_get_byte returns a single byte from the DSP data port 116 */ 117 118static void 119sb_lock(struct sb_info *sb) { 120 121 sbc_lock(device_get_softc(sb->parent_dev)); 122} 123 124static void 125sb_unlock(struct sb_info *sb) { 126 127 sbc_unlock(device_get_softc(sb->parent_dev)); 128} 129 130static int 131port_rd(struct resource *port, int off) 132{ 133 return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off); 134} 135 136static void 137port_wr(struct resource *port, int off, u_int8_t data) 138{ 139 return bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data); 140} 141 142static int 143sb_rd(struct sb_info *sb, int reg) 144{ 145 return port_rd(sb->io_base, reg); 146} 147 148static void 149sb_wr(struct sb_info *sb, int reg, u_int8_t val) 150{ 151 port_wr(sb->io_base, reg, val); 152} 153 154static int 155sb_dspwr(struct sb_info *sb, u_char val) 156{ 157 int i; 158 159 for (i = 0; i < 1000; i++) { 160 if ((sb_rd(sb, SBDSP_STATUS) & 0x80)) 161 DELAY((i > 100)? 1000 : 10); 162 else { 163 sb_wr(sb, SBDSP_CMD, val); 164 return 1; 165 } 166 } 167#if __FreeBSD_version > 500000 168 if (curthread->td_intr_nesting_level == 0) 169 printf("sb_dspwr(0x%02x) timed out.\n", val); 170#endif 171 return 0; 172} 173 174static int 175sb_cmd(struct sb_info *sb, u_char val) 176{ 177#if 0 178 printf("sb_cmd: %x\n", val); 179#endif 180 return sb_dspwr(sb, val); 181} 182 183/* 184static int 185sb_cmd1(struct sb_info *sb, u_char cmd, int val) 186{ 187#if 0 188 printf("sb_cmd1: %x, %x\n", cmd, val); 189#endif 190 if (sb_dspwr(sb, cmd)) { 191 return sb_dspwr(sb, val & 0xff); 192 } else return 0; 193} 194*/ 195 196static int 197sb_cmd2(struct sb_info *sb, u_char cmd, int val) 198{ 199 int r; 200 201#if 0 202 printf("sb_cmd2: %x, %x\n", cmd, val); 203#endif 204 sb_lock(sb); 205 r = 0; 206 if (sb_dspwr(sb, cmd)) { 207 if (sb_dspwr(sb, val & 0xff)) { 208 if (sb_dspwr(sb, (val >> 8) & 0xff)) { 209 r = 1; 210 } 211 } 212 } 213 sb_unlock(sb); 214 215 return r; 216} 217 218/* 219 * in the SB, there is a set of indirect "mixer" registers with 220 * address at offset 4, data at offset 5 221 */ 222static void 223sb_setmixer(struct sb_info *sb, u_int port, u_int value) 224{ 225 sb_lock(sb); 226 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 227 DELAY(10); 228 sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff)); 229 DELAY(10); 230 sb_unlock(sb); 231} 232 233static int 234sb_getmixer(struct sb_info *sb, u_int port) 235{ 236 int val; 237 238 sb_lock(sb); 239 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 240 DELAY(10); 241 val = sb_rd(sb, SB_MIX_DATA); 242 DELAY(10); 243 sb_unlock(sb); 244 245 return val; 246} 247 248static u_int 249sb_get_byte(struct sb_info *sb) 250{ 251 int i; 252 253 for (i = 1000; i > 0; i--) { 254 if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80) 255 return sb_rd(sb, DSP_READ); 256 else 257 DELAY(20); 258 } 259 return 0xffff; 260} 261 262static int 263sb_reset_dsp(struct sb_info *sb) 264{ 265 u_char b; 266 267 sb_lock(sb); 268 sb_wr(sb, SBDSP_RST, 3); 269 DELAY(100); 270 sb_wr(sb, SBDSP_RST, 0); 271 b = sb_get_byte(sb); 272 sb_unlock(sb); 273 if (b != 0xAA) { 274 DEB(printf("sb_reset_dsp 0x%lx failed\n", 275 rman_get_start(d->io_base))); 276 return ENXIO; /* Sorry */ 277 } 278 return 0; 279} 280 281/************************************************************/ 282 283struct sb16_mixent { 284 int reg; 285 int bits; 286 int ofs; 287 int stereo; 288}; 289 290static const struct sb16_mixent sb16_mixtab[32] = { 291 [SOUND_MIXER_VOLUME] = { 0x30, 5, 3, 1 }, 292 [SOUND_MIXER_PCM] = { 0x32, 5, 3, 1 }, 293 [SOUND_MIXER_SYNTH] = { 0x34, 5, 3, 1 }, 294 [SOUND_MIXER_CD] = { 0x36, 5, 3, 1 }, 295 [SOUND_MIXER_LINE] = { 0x38, 5, 3, 1 }, 296 [SOUND_MIXER_MIC] = { 0x3a, 5, 3, 0 }, 297 [SOUND_MIXER_SPEAKER] = { 0x3b, 5, 3, 0 }, 298 [SOUND_MIXER_IGAIN] = { 0x3f, 2, 6, 1 }, 299 [SOUND_MIXER_OGAIN] = { 0x41, 2, 6, 1 }, 300 [SOUND_MIXER_TREBLE] = { 0x44, 4, 4, 1 }, 301 [SOUND_MIXER_BASS] = { 0x46, 4, 4, 1 }, 302}; 303 304static int 305sb16mix_init(struct snd_mixer *m) 306{ 307 struct sb_info *sb = mix_getdevinfo(m); 308 309 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | 310 SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD | 311 SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | 312 SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE); 313 314 mix_setrecdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_LINE | 315 SOUND_MASK_MIC | SOUND_MASK_CD); 316 317 sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */ 318 319 sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */ 320 sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */ 321 322 return 0; 323} 324 325static int 326sb16mix_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right) 327{ 328 struct sb_info *sb = mix_getdevinfo(m); 329 const struct sb16_mixent *e; 330 int max; 331 332 e = &sb16_mixtab[dev]; 333 max = (1 << e->bits) - 1; 334 335 left = (left * max) / 100; 336 right = (right * max) / 100; 337 338 sb_setmixer(sb, e->reg, left << e->ofs); 339 if (e->stereo) 340 sb_setmixer(sb, e->reg + 1, right << e->ofs); 341 else 342 right = left; 343 344 left = (left * 100) / max; 345 right = (right * 100) / max; 346 347 return left | (right << 8); 348} 349 350static int 351sb16mix_setrecsrc(struct snd_mixer *m, u_int32_t src) 352{ 353 struct sb_info *sb = mix_getdevinfo(m); 354 u_char recdev; 355 356 recdev = 0; 357 if (src & SOUND_MASK_MIC) 358 recdev |= 0x01; /* mono mic */ 359 360 if (src & SOUND_MASK_CD) 361 recdev |= 0x06; /* l+r cd */ 362 363 if (src & SOUND_MASK_LINE) 364 recdev |= 0x18; /* l+r line */ 365 366 if (src & SOUND_MASK_SYNTH) 367 recdev |= 0x60; /* l+r midi */ 368 369 sb_setmixer(sb, SB16_IMASK_L, recdev); 370 sb_setmixer(sb, SB16_IMASK_R, recdev); 371 372 /* 373 * since the same volume controls apply to the input and 374 * output sections, the best approach to have a consistent 375 * behaviour among cards would be to disable the output path 376 * on devices which are used to record. 377 * However, since users like to have feedback, we only disable 378 * the mic -- permanently. 379 */ 380 sb_setmixer(sb, SB16_OMASK, 0x1f & ~1); 381 382 return src; 383} 384 385static kobj_method_t sb16mix_mixer_methods[] = { 386 KOBJMETHOD(mixer_init, sb16mix_init), 387 KOBJMETHOD(mixer_set, sb16mix_set), 388 KOBJMETHOD(mixer_setrecsrc, sb16mix_setrecsrc), 389 { 0, 0 } 390}; 391MIXER_DECLARE(sb16mix_mixer); 392 393/************************************************************/ 394 395static void 396sb16_release_resources(struct sb_info *sb, device_t dev) 397{ 398 if (sb->irq) { 399 if (sb->ih) 400 bus_teardown_intr(dev, sb->irq, sb->ih); 401 bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq); 402 sb->irq = 0; 403 } 404 if (sb->drq2) { 405 if (sb->drq2 != sb->drq1) { 406 isa_dma_release(rman_get_start(sb->drq2)); 407 bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2); 408 } 409 sb->drq2 = 0; 410 } 411 if (sb->drq1) { 412 isa_dma_release(rman_get_start(sb->drq1)); 413 bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1); 414 sb->drq1 = 0; 415 } 416 if (sb->io_base) { 417 bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base); 418 sb->io_base = 0; 419 } 420 if (sb->parent_dmat) { 421 bus_dma_tag_destroy(sb->parent_dmat); 422 sb->parent_dmat = 0; 423 } 424 free(sb, M_DEVBUF); 425} 426 427static int 428sb16_alloc_resources(struct sb_info *sb, device_t dev) 429{ 430 int rid; 431 432 rid = 0; 433 if (!sb->io_base) 434 sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); 435 436 rid = 0; 437 if (!sb->irq) 438 sb->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE); 439 440 rid = 0; 441 if (!sb->drq1) 442 sb->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 0, ~0, 1, RF_ACTIVE); 443 444 rid = 1; 445 if (!sb->drq2) 446 sb->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 0, ~0, 1, RF_ACTIVE); 447 448 if (sb->io_base && sb->drq1 && sb->irq) { 449 isa_dma_acquire(rman_get_start(sb->drq1)); 450 isa_dmainit(rman_get_start(sb->drq1), sb->bufsize); 451 452 if (sb->drq2) { 453 isa_dma_acquire(rman_get_start(sb->drq2)); 454 isa_dmainit(rman_get_start(sb->drq2), sb->bufsize); 455 } else { 456 sb->drq2 = sb->drq1; 457 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 458 } 459 return 0; 460 } else return ENXIO; 461} 462 463/* sbc does locking for us */ 464static void 465sb_intr(void *arg) 466{ 467 struct sb_info *sb = (struct sb_info *)arg; 468 int reason = 3, c; 469 470 /* 471 * The Vibra16X has separate flags for 8 and 16 bit transfers, but 472 * I have no idea how to tell capture from playback interrupts... 473 */ 474 475 reason = 0; 476 sb_lock(sb); 477 c = sb_getmixer(sb, IRQ_STAT); 478 if (c & 1) 479 sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */ 480 481 if (c & 2) 482 sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */ 483 sb_unlock(sb); 484 485 /* 486 * this tells us if the source is 8-bit or 16-bit dma. We 487 * have to check the io channel to map it to read or write... 488 */ 489 490 if (sb->bd_flags & BD_F_SB16X) { 491 if (c & 1) { /* 8-bit format */ 492 if (sb->pch.fmt & AFMT_8BIT) 493 reason |= 1; 494 if (sb->rch.fmt & AFMT_8BIT) 495 reason |= 2; 496 } 497 if (c & 2) { /* 16-bit format */ 498 if (sb->pch.fmt & AFMT_16BIT) 499 reason |= 1; 500 if (sb->rch.fmt & AFMT_16BIT) 501 reason |= 2; 502 } 503 } else { 504 if (c & 1) { /* 8-bit dma */ 505 if (sb->pch.dch == 1) 506 reason |= 1; 507 if (sb->rch.dch == 1) 508 reason |= 2; 509 } 510 if (c & 2) { /* 16-bit dma */ 511 if (sb->pch.dch == 2) 512 reason |= 1; 513 if (sb->rch.dch == 2) 514 reason |= 2; 515 } 516 } 517#if 0 518 printf("sb_intr: reason=%d c=0x%x\n", reason, c); 519#endif 520 if ((reason & 1) && (sb->pch.run)) 521 chn_intr(sb->pch.channel); 522 523 if ((reason & 2) && (sb->rch.run)) 524 chn_intr(sb->rch.channel); 525} 526 527static int 528sb_setup(struct sb_info *sb) 529{ 530 struct sb_chinfo *ch; 531 u_int8_t v; 532 int l, pprio; 533 534 sb_lock(sb); 535 if (sb->bd_flags & BD_F_DMARUN) 536 sndbuf_isadma(sb->pch.buffer, PCMTRIG_STOP); 537 if (sb->bd_flags & BD_F_DMARUN2) 538 sndbuf_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 sndbuf_isadmasetup(sb->pch.buffer, pprio? sb->drq1 : NULL); 546 sb->pch.dch = pprio? 1 : 0; 547 sndbuf_isadmasetup(sb->rch.buffer, pprio? sb->drq2 : sb->drq1); 548 sb->rch.dch = pprio? 2 : 1; 549 } else { 550 if (sb->pch.run && sb->rch.run) { 551 pprio = (sb->rch.fmt & AFMT_16BIT)? 0 : 1; 552 sndbuf_isadmasetup(sb->pch.buffer, pprio? sb->drq2 : sb->drq1); 553 sb->pch.dch = pprio? 2 : 1; 554 sndbuf_isadmasetup(sb->rch.buffer, pprio? sb->drq1 : sb->drq2); 555 sb->rch.dch = pprio? 1 : 2; 556 } else { 557 if (sb->pch.run) { 558 sndbuf_isadmasetup(sb->pch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1); 559 sb->pch.dch = (sb->pch.fmt & AFMT_16BIT)? 2 : 1; 560 sndbuf_isadmasetup(sb->rch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2); 561 sb->rch.dch = (sb->pch.fmt & AFMT_16BIT)? 1 : 2; 562 } else if (sb->rch.run) { 563 sndbuf_isadmasetup(sb->pch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2); 564 sb->pch.dch = (sb->rch.fmt & AFMT_16BIT)? 1 : 2; 565 sndbuf_isadmasetup(sb->rch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1); 566 sb->rch.dch = (sb->rch.fmt & AFMT_16BIT)? 2 : 1; 567 } 568 } 569 } 570 571 sndbuf_isadmasetdir(sb->pch.buffer, PCMDIR_PLAY); 572 sndbuf_isadmasetdir(sb->rch.buffer, PCMDIR_REC); 573 574 /* 575 printf("setup: [pch = %d, pfmt = %d, pgo = %d] [rch = %d, rfmt = %d, rgo = %d]\n", 576 sb->pch.dch, sb->pch.fmt, sb->pch.run, sb->rch.dch, sb->rch.fmt, sb->rch.run); 577 */ 578 579 ch = &sb->pch; 580 if (ch->run) { 581 l = ch->blksz; 582 if (ch->fmt & AFMT_16BIT) 583 l >>= 1; 584 l--; 585 586 /* play speed */ 587 RANGE(ch->spd, 5000, 45000); 588 sb_cmd(sb, DSP_CMD_OUT16); 589 sb_cmd(sb, ch->spd >> 8); 590 sb_cmd(sb, ch->spd & 0xff); 591 592 /* play format, length */ 593 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_DAC; 594 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8; 595 sb_cmd(sb, v); 596 597 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0; 598 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0; 599 sb_cmd2(sb, v, l); 600 sndbuf_isadma(ch->buffer, PCMTRIG_START); 601 sb->bd_flags |= BD_F_DMARUN; 602 } 603 604 ch = &sb->rch; 605 if (ch->run) { 606 l = ch->blksz; 607 if (ch->fmt & AFMT_16BIT) 608 l >>= 1; 609 l--; 610 611 /* record speed */ 612 RANGE(ch->spd, 5000, 45000); 613 sb_cmd(sb, DSP_CMD_IN16); 614 sb_cmd(sb, ch->spd >> 8); 615 sb_cmd(sb, ch->spd & 0xff); 616 617 /* record format, length */ 618 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_ADC; 619 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8; 620 sb_cmd(sb, v); 621 622 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0; 623 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0; 624 sb_cmd2(sb, v, l); 625 sndbuf_isadma(ch->buffer, PCMTRIG_START); 626 sb->bd_flags |= BD_F_DMARUN2; 627 } 628 sb_unlock(sb); 629 630 return 0; 631} 632 633/* channel interface */ 634static void * 635sb16chan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 636{ 637 struct sb_info *sb = devinfo; 638 struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch; 639 640 ch->parent = sb; 641 ch->channel = c; 642 ch->buffer = b; 643 ch->dir = dir; 644 645 if (sndbuf_alloc(ch->buffer, sb->parent_dmat, sb->bufsize) == -1) 646 return NULL; 647 648 return ch; 649} 650 651static int 652sb16chan_setformat(kobj_t obj, void *data, u_int32_t format) 653{ 654 struct sb_chinfo *ch = data; 655 struct sb_info *sb = ch->parent; 656 657 ch->fmt = format; 658 sb->prio = ch->dir; 659 sb->prio16 = (ch->fmt & AFMT_16BIT)? 1 : 0; 660 661 return 0; 662} 663 664static int 665sb16chan_setspeed(kobj_t obj, void *data, u_int32_t speed) 666{ 667 struct sb_chinfo *ch = data; 668 669 ch->spd = speed; 670 return speed; 671} 672 673static int 674sb16chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 675{ 676 struct sb_chinfo *ch = data; 677 678 ch->blksz = blocksize; 679 return ch->blksz; 680} 681 682static int 683sb16chan_trigger(kobj_t obj, void *data, int go) 684{ 685 struct sb_chinfo *ch = data; 686 struct sb_info *sb = ch->parent; 687 688 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 689 return 0; 690 691 if (go == PCMTRIG_START) 692 ch->run = 1; 693 else 694 ch->run = 0; 695 696 sb_setup(sb); 697 698 return 0; 699} 700 701static int 702sb16chan_getptr(kobj_t obj, void *data) 703{ 704 struct sb_chinfo *ch = data; 705 706 return sndbuf_isadmaptr(ch->buffer); 707} 708 709static struct pcmchan_caps * 710sb16chan_getcaps(kobj_t obj, void *data) 711{ 712 struct sb_chinfo *ch = data; 713 struct sb_info *sb = ch->parent; 714 715 if ((sb->prio == 0) || (sb->prio == ch->dir)) 716 return &sb16x_caps; 717 else 718 return sb->prio16? &sb16_caps8 : &sb16_caps16; 719} 720 721static int 722sb16chan_resetdone(kobj_t obj, void *data) 723{ 724 struct sb_chinfo *ch = data; 725 struct sb_info *sb = ch->parent; 726 727 sb->prio = 0; 728 729 return 0; 730} 731 732static kobj_method_t sb16chan_methods[] = { 733 KOBJMETHOD(channel_init, sb16chan_init), 734 KOBJMETHOD(channel_resetdone, sb16chan_resetdone), 735 KOBJMETHOD(channel_setformat, sb16chan_setformat), 736 KOBJMETHOD(channel_setspeed, sb16chan_setspeed), 737 KOBJMETHOD(channel_setblocksize, sb16chan_setblocksize), 738 KOBJMETHOD(channel_trigger, sb16chan_trigger), 739 KOBJMETHOD(channel_getptr, sb16chan_getptr), 740 KOBJMETHOD(channel_getcaps, sb16chan_getcaps), 741 { 0, 0 } 742}; 743CHANNEL_DECLARE(sb16chan); 744 745/************************************************************/ 746 747static int 748sb16_probe(device_t dev) 749{ 750 char buf[64]; 751 uintptr_t func, ver, r, f; 752 753 /* The parent device has already been probed. */ 754 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func); 755 if (func != SCF_PCM) 756 return (ENXIO); 757 758 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); 759 f = (ver & 0xffff0000) >> 16; 760 ver &= 0x0000ffff; 761 if (f & BD_F_SB16) { 762 snprintf(buf, sizeof buf, "SB16 DSP %d.%02d%s", (int) ver >> 8, (int) ver & 0xff, 763 (f & BD_F_SB16X)? " (ViBRA16X)" : ""); 764 device_set_desc_copy(dev, buf); 765 return 0; 766 } else 767 return (ENXIO); 768} 769 770static int 771sb16_attach(device_t dev) 772{ 773 struct sb_info *sb; 774 uintptr_t ver; 775 char status[SND_STATUSLEN], status2[SND_STATUSLEN]; 776 777 sb = (struct sb_info *)malloc(sizeof *sb, M_DEVBUF, M_NOWAIT | M_ZERO); 778 if (!sb) 779 return ENXIO; 780 781 sb->parent_dev = device_get_parent(dev); 782 BUS_READ_IVAR(sb->parent_dev, dev, 1, &ver); 783 sb->bd_id = ver & 0x0000ffff; 784 sb->bd_flags = (ver & 0xffff0000) >> 16; 785 sb->bufsize = pcm_getbuffersize(dev, 4096, SB16_BUFFSIZE, 65536); 786 787 if (sb16_alloc_resources(sb, dev)) 788 goto no; 789 if (sb_reset_dsp(sb)) 790 goto no; 791 if (mixer_init(dev, &sb16mix_mixer_class, sb)) 792 goto no; 793 if (snd_setup_intr(dev, sb->irq, INTR_MPSAFE, sb_intr, sb, &sb->ih)) 794 goto no; 795 796 if (sb->bd_flags & BD_F_SB16X) 797 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 798 799 sb->prio = 0; 800 801 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, 802 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 803 /*highaddr*/BUS_SPACE_MAXADDR, 804 /*filter*/NULL, /*filterarg*/NULL, 805 /*maxsize*/sb->bufsize, /*nsegments*/1, 806 /*maxsegz*/0x3ffff, 807 /*flags*/0, &sb->parent_dmat) != 0) { 808 device_printf(dev, "unable to create dma tag\n"); 809 goto no; 810 } 811 812 if (!(pcm_getflags(dev) & SD_F_SIMPLEX)) 813 snprintf(status2, SND_STATUSLEN, ":%ld", rman_get_start(sb->drq2)); 814 else 815 status2[0] = '\0'; 816 817 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld%s bufsz %ud", 818 rman_get_start(sb->io_base), rman_get_start(sb->irq), 819 rman_get_start(sb->drq1), status2, sb->bufsize); 820 821 if (pcm_register(dev, sb, 1, 1)) 822 goto no; 823 pcm_addchan(dev, PCMDIR_REC, &sb16chan_class, sb); 824 pcm_addchan(dev, PCMDIR_PLAY, &sb16chan_class, sb); 825 826 pcm_setstatus(dev, status); 827 828 return 0; 829 830no: 831 sb16_release_resources(sb, dev); 832 return ENXIO; 833} 834 835static int 836sb16_detach(device_t dev) 837{ 838 int r; 839 struct sb_info *sb; 840 841 r = pcm_unregister(dev); 842 if (r) 843 return r; 844 845 sb = pcm_getdevinfo(dev); 846 sb16_release_resources(sb, dev); 847 return 0; 848} 849 850static device_method_t sb16_methods[] = { 851 /* Device interface */ 852 DEVMETHOD(device_probe, sb16_probe), 853 DEVMETHOD(device_attach, sb16_attach), 854 DEVMETHOD(device_detach, sb16_detach), 855 856 { 0, 0 } 857}; 858 859static driver_t sb16_driver = { 860 "pcm", 861 sb16_methods, 862 PCM_SOFTC_SIZE, 863}; 864 865DRIVER_MODULE(snd_sb16, sbc, sb16_driver, pcm_devclass, 0, 0); 866MODULE_DEPEND(snd_sb16, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); 867MODULE_DEPEND(snd_sb16, snd_sbc, 1, 1, 1); 868MODULE_VERSION(snd_sb16, 1); 869