sb16.c revision 74364
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 74364 2001-03-16 21:04:14Z 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#include "mixer_if.h" 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 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 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 pcmchan_caps sb16x_caps = {5000, 49000, sb16x_fmt, 0}; 66 67struct sb_info; 68 69struct sb_chinfo { 70 struct sb_info *parent; 71 pcm_channel *channel; 72 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 int bd_id; 86 u_long bd_flags; /* board-specific flags */ 87 int prio, prio16; 88 struct sb_chinfo pch, rch; 89}; 90 91static int sb_rd(struct sb_info *sb, int reg); 92static void sb_wr(struct sb_info *sb, int reg, u_int8_t val); 93static int sb_cmd(struct sb_info *sb, u_char val); 94/* static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); */ 95static int sb_cmd2(struct sb_info *sb, u_char cmd, int val); 96static u_int sb_get_byte(struct sb_info *sb); 97static void sb_setmixer(struct sb_info *sb, u_int port, u_int value); 98static int sb_getmixer(struct sb_info *sb, u_int port); 99static int sb_reset_dsp(struct sb_info *sb); 100 101static void sb_intr(void *arg); 102 103static devclass_t pcm_devclass; 104 105/* 106 * Common code for the midi and pcm functions 107 * 108 * sb_cmd write a single byte to the CMD port. 109 * sb_cmd1 write a CMD + 1 byte arg 110 * sb_cmd2 write a CMD + 2 byte arg 111 * sb_get_byte returns a single byte from the DSP data port 112 */ 113 114static int 115port_rd(struct resource *port, int off) 116{ 117 return bus_space_read_1(rman_get_bustag(port), rman_get_bushandle(port), off); 118} 119 120static void 121port_wr(struct resource *port, int off, u_int8_t data) 122{ 123 return bus_space_write_1(rman_get_bustag(port), rman_get_bushandle(port), off, data); 124} 125 126static int 127sb_rd(struct sb_info *sb, int reg) 128{ 129 return port_rd(sb->io_base, reg); 130} 131 132static void 133sb_wr(struct sb_info *sb, int reg, u_int8_t val) 134{ 135 port_wr(sb->io_base, reg, val); 136} 137 138static int 139sb_dspwr(struct sb_info *sb, u_char val) 140{ 141 int i; 142 143 for (i = 0; i < 1000; i++) { 144 if ((sb_rd(sb, SBDSP_STATUS) & 0x80)) 145 DELAY((i > 100)? 1000 : 10); 146 else { 147 sb_wr(sb, SBDSP_CMD, val); 148 return 1; 149 } 150 } 151 printf("sb_dspwr(0x%02x) timed out.\n", val); 152 return 0; 153} 154 155static int 156sb_cmd(struct sb_info *sb, u_char val) 157{ 158#if 0 159 printf("sb_cmd: %x\n", val); 160#endif 161 return sb_dspwr(sb, val); 162} 163 164/* 165static int 166sb_cmd1(struct sb_info *sb, u_char cmd, int val) 167{ 168#if 0 169 printf("sb_cmd1: %x, %x\n", cmd, val); 170#endif 171 if (sb_dspwr(sb, cmd)) { 172 return sb_dspwr(sb, val & 0xff); 173 } else return 0; 174} 175*/ 176 177static int 178sb_cmd2(struct sb_info *sb, u_char cmd, int val) 179{ 180#if 0 181 printf("sb_cmd2: %x, %x\n", cmd, val); 182#endif 183 if (sb_dspwr(sb, cmd)) { 184 return sb_dspwr(sb, val & 0xff) && 185 sb_dspwr(sb, (val >> 8) & 0xff); 186 } else return 0; 187} 188 189/* 190 * in the SB, there is a set of indirect "mixer" registers with 191 * address at offset 4, data at offset 5 192 */ 193static void 194sb_setmixer(struct sb_info *sb, u_int port, u_int value) 195{ 196 u_long flags; 197 198 flags = spltty(); 199 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 200 DELAY(10); 201 sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff)); 202 DELAY(10); 203 splx(flags); 204} 205 206static int 207sb_getmixer(struct sb_info *sb, u_int port) 208{ 209 int val; 210 u_long flags; 211 212 flags = spltty(); 213 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 214 DELAY(10); 215 val = sb_rd(sb, SB_MIX_DATA); 216 DELAY(10); 217 splx(flags); 218 219 return val; 220} 221 222static u_int 223sb_get_byte(struct sb_info *sb) 224{ 225 int i; 226 227 for (i = 1000; i > 0; i--) { 228 if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80) 229 return sb_rd(sb, DSP_READ); 230 else 231 DELAY(20); 232 } 233 return 0xffff; 234} 235 236static int 237sb_reset_dsp(struct sb_info *sb) 238{ 239 sb_wr(sb, SBDSP_RST, 3); 240 DELAY(100); 241 sb_wr(sb, SBDSP_RST, 0); 242 if (sb_get_byte(sb) != 0xAA) { 243 DEB(printf("sb_reset_dsp 0x%lx failed\n", 244 rman_get_start(d->io_base))); 245 return ENXIO; /* Sorry */ 246 } 247 return 0; 248} 249 250/************************************************************/ 251 252struct sb16_mixent { 253 int reg; 254 int bits; 255 int ofs; 256 int stereo; 257}; 258 259static const struct sb16_mixent sb16_mixtab[32] = { 260 [SOUND_MIXER_VOLUME] = { 0x30, 5, 3, 1 }, 261 [SOUND_MIXER_PCM] = { 0x32, 5, 3, 1 }, 262 [SOUND_MIXER_SYNTH] = { 0x34, 5, 3, 1 }, 263 [SOUND_MIXER_CD] = { 0x36, 5, 3, 1 }, 264 [SOUND_MIXER_LINE] = { 0x38, 5, 3, 1 }, 265 [SOUND_MIXER_MIC] = { 0x3a, 5, 3, 0 }, 266 [SOUND_MIXER_SPEAKER] = { 0x3b, 5, 3, 0 }, 267 [SOUND_MIXER_IGAIN] = { 0x3f, 2, 6, 1 }, 268 [SOUND_MIXER_OGAIN] = { 0x41, 2, 6, 1 }, 269 [SOUND_MIXER_TREBLE] = { 0x44, 4, 4, 1 }, 270 [SOUND_MIXER_BASS] = { 0x46, 4, 4, 1 }, 271}; 272 273static int 274sb16mix_init(snd_mixer *m) 275{ 276 struct sb_info *sb = mix_getdevinfo(m); 277 278 mix_setdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_PCM | SOUND_MASK_SPEAKER | 279 SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD | 280 SOUND_MASK_IGAIN | SOUND_MASK_OGAIN | 281 SOUND_MASK_VOLUME | SOUND_MASK_BASS | SOUND_MASK_TREBLE); 282 283 mix_setrecdevs(m, SOUND_MASK_SYNTH | SOUND_MASK_LINE | 284 SOUND_MASK_MIC | SOUND_MASK_CD); 285 286 sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */ 287 288 sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */ 289 sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */ 290 291 return 0; 292} 293 294static int 295sb16mix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right) 296{ 297 struct sb_info *sb = mix_getdevinfo(m); 298 const struct sb16_mixent *e; 299 int max; 300 301 e = &sb16_mixtab[dev]; 302 max = (1 << e->bits) - 1; 303 304 left = (left * max) / 100; 305 right = (right * max) / 100; 306 307 sb_setmixer(sb, e->reg, left << e->ofs); 308 if (e->stereo) 309 sb_setmixer(sb, e->reg + 1, right << e->ofs); 310 else 311 right = left; 312 313 left = (left * 100) / max; 314 right = (right * 100) / max; 315 316 return left | (right << 8); 317} 318 319static int 320sb16mix_setrecsrc(snd_mixer *m, u_int32_t src) 321{ 322 struct sb_info *sb = mix_getdevinfo(m); 323 u_char recdev; 324 325 recdev = 0; 326 if (src & SOUND_MASK_MIC) 327 recdev |= 0x01; /* mono mic */ 328 329 if (src & SOUND_MASK_CD) 330 recdev |= 0x06; /* l+r cd */ 331 332 if (src & SOUND_MASK_LINE) 333 recdev |= 0x18; /* l+r line */ 334 335 if (src & SOUND_MASK_SYNTH) 336 recdev |= 0x60; /* l+r midi */ 337 338 sb_setmixer(sb, SB16_IMASK_L, recdev); 339 sb_setmixer(sb, SB16_IMASK_R, recdev); 340 341 /* 342 * since the same volume controls apply to the input and 343 * output sections, the best approach to have a consistent 344 * behaviour among cards would be to disable the output path 345 * on devices which are used to record. 346 * However, since users like to have feedback, we only disable 347 * the mic -- permanently. 348 */ 349 sb_setmixer(sb, SB16_OMASK, 0x1f & ~1); 350 351 return src; 352} 353 354static kobj_method_t sb16mix_mixer_methods[] = { 355 KOBJMETHOD(mixer_init, sb16mix_init), 356 KOBJMETHOD(mixer_set, sb16mix_set), 357 KOBJMETHOD(mixer_setrecsrc, sb16mix_setrecsrc), 358 { 0, 0 } 359}; 360MIXER_DECLARE(sb16mix_mixer); 361 362/************************************************************/ 363 364static void 365sb16_release_resources(struct sb_info *sb, device_t dev) 366{ 367 if (sb->irq) { 368 if (sb->ih) 369 bus_teardown_intr(dev, sb->irq, sb->ih); 370 bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq); 371 sb->irq = 0; 372 } 373 if (sb->drq2 && (sb->drq2 != sb->drq1)) { 374 isa_dma_release(rman_get_start(sb->drq2)); 375 bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2); 376 sb->drq2 = 0; 377 } 378 if (sb->drq1) { 379 isa_dma_release(rman_get_start(sb->drq1)); 380 bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1); 381 sb->drq1 = 0; 382 } 383 if (sb->io_base) { 384 bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base); 385 sb->io_base = 0; 386 } 387 if (sb->parent_dmat) { 388 bus_dma_tag_destroy(sb->parent_dmat); 389 sb->parent_dmat = 0; 390 } 391 free(sb, M_DEVBUF); 392} 393 394static int 395sb16_alloc_resources(struct sb_info *sb, device_t dev) 396{ 397 int rid; 398 399 rid = 0; 400 if (!sb->io_base) 401 sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); 402 403 rid = 0; 404 if (!sb->irq) 405 sb->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE); 406 407 rid = 0; 408 if (!sb->drq1) 409 sb->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 0, ~0, 1, RF_ACTIVE); 410 411 rid = 1; 412 if (!sb->drq2) 413 sb->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ, &rid, 0, ~0, 1, RF_ACTIVE); 414 415 if (sb->io_base && sb->drq1 && sb->irq) { 416 int bs = SB16_BUFFSIZE; 417 418 isa_dma_acquire(rman_get_start(sb->drq1)); 419 isa_dmainit(rman_get_start(sb->drq1), bs); 420 421 if (sb->drq2) { 422 isa_dma_acquire(rman_get_start(sb->drq2)); 423 isa_dmainit(rman_get_start(sb->drq2), bs); 424 } else { 425 sb->drq2 = sb->drq1; 426 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 427 } 428 return 0; 429 } else return ENXIO; 430} 431 432static void 433sb_intr(void *arg) 434{ 435 struct sb_info *sb = (struct sb_info *)arg; 436 int reason = 3, c; 437 438 /* 439 * The Vibra16X has separate flags for 8 and 16 bit transfers, but 440 * I have no idea how to tell capture from playback interrupts... 441 */ 442 443 reason = 0; 444 c = sb_getmixer(sb, IRQ_STAT); 445 446 /* 447 * this tells us if the source is 8-bit or 16-bit dma. We 448 * have to check the io channel to map it to read or write... 449 */ 450 451 if (sb->bd_flags & BD_F_SB16X) { 452 if (c & 1) { /* 8-bit format */ 453 if (sb->pch.fmt & AFMT_8BIT) 454 reason |= 1; 455 if (sb->rch.fmt & AFMT_8BIT) 456 reason |= 2; 457 } 458 if (c & 2) { /* 16-bit format */ 459 if (sb->pch.fmt & AFMT_16BIT) 460 reason |= 1; 461 if (sb->rch.fmt & AFMT_16BIT) 462 reason |= 2; 463 } 464 } else { 465 if (c & 1) { /* 8-bit dma */ 466 if (sb->pch.dch == 1) 467 reason |= 1; 468 if (sb->rch.dch == 1) 469 reason |= 2; 470 } 471 if (c & 2) { /* 16-bit dma */ 472 if (sb->pch.dch == 2) 473 reason |= 1; 474 if (sb->rch.dch == 2) 475 reason |= 2; 476 } 477 } 478#if 0 479 printf("sb_intr: reason=%d c=0x%x\n", reason, c); 480#endif 481 if ((reason & 1) && (sb->pch.run)) 482 chn_intr(sb->pch.channel); 483 484 if ((reason & 2) && (sb->rch.run)) 485 chn_intr(sb->rch.channel); 486 487 if (c & 1) 488 sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */ 489 490 if (c & 2) 491 sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */ 492} 493 494static int 495sb_setup(struct sb_info *sb) 496{ 497 struct sb_chinfo *ch; 498 u_int8_t v; 499 int l, pprio; 500 501 if (sb->bd_flags & BD_F_DMARUN) 502 sndbuf_isadma(sb->pch.buffer, PCMTRIG_STOP); 503 if (sb->bd_flags & BD_F_DMARUN2) 504 sndbuf_isadma(sb->rch.buffer, PCMTRIG_STOP); 505 sb->bd_flags &= ~(BD_F_DMARUN | BD_F_DMARUN2); 506 507 sb_reset_dsp(sb); 508 509 if (sb->bd_flags & BD_F_SB16X) { 510 pprio = sb->pch.run? 1 : 0; 511 sndbuf_isadmasetup(sb->pch.buffer, pprio? sb->drq1 : NULL); 512 sb->pch.dch = pprio? 1 : 0; 513 sndbuf_isadmasetup(sb->rch.buffer, pprio? sb->drq2 : sb->drq1); 514 sb->rch.dch = pprio? 2 : 1; 515 } else { 516 if (sb->pch.run && sb->rch.run) { 517 pprio = (sb->rch.fmt & AFMT_16BIT)? 0 : 1; 518 sndbuf_isadmasetup(sb->pch.buffer, pprio? sb->drq2 : sb->drq1); 519 sb->pch.dch = pprio? 2 : 1; 520 sndbuf_isadmasetup(sb->rch.buffer, pprio? sb->drq1 : sb->drq2); 521 sb->rch.dch = pprio? 1 : 2; 522 } else { 523 if (sb->pch.run) { 524 sndbuf_isadmasetup(sb->pch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1); 525 sb->pch.dch = (sb->pch.fmt & AFMT_16BIT)? 2 : 1; 526 sndbuf_isadmasetup(sb->rch.buffer, (sb->pch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2); 527 sb->rch.dch = (sb->pch.fmt & AFMT_16BIT)? 1 : 2; 528 } else if (sb->rch.run) { 529 sndbuf_isadmasetup(sb->pch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq1 : sb->drq2); 530 sb->pch.dch = (sb->rch.fmt & AFMT_16BIT)? 1 : 2; 531 sndbuf_isadmasetup(sb->rch.buffer, (sb->rch.fmt & AFMT_16BIT)? sb->drq2 : sb->drq1); 532 sb->rch.dch = (sb->rch.fmt & AFMT_16BIT)? 2 : 1; 533 } 534 } 535 } 536 537 sndbuf_isadmasetdir(sb->pch.buffer, PCMDIR_PLAY); 538 sndbuf_isadmasetdir(sb->rch.buffer, PCMDIR_REC); 539 540 /* 541 printf("setup: [pch = %d, pfmt = %d, pgo = %d] [rch = %d, rfmt = %d, rgo = %d]\n", 542 sb->pch.dch, sb->pch.fmt, sb->pch.run, sb->rch.dch, sb->rch.fmt, sb->rch.run); 543 */ 544 545 ch = &sb->pch; 546 if (ch->run) { 547 l = ch->blksz; 548 if (ch->fmt & AFMT_16BIT) 549 l >>= 1; 550 l--; 551 552 /* play speed */ 553 RANGE(ch->spd, 5000, 45000); 554 sb_cmd(sb, DSP_CMD_OUT16); 555 sb_cmd(sb, ch->spd >> 8); 556 sb_cmd(sb, ch->spd & 0xff); 557 558 /* play format, length */ 559 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_DAC; 560 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8; 561 sb_cmd(sb, v); 562 563 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0; 564 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0; 565 sb_cmd2(sb, v, l); 566 sndbuf_isadma(ch->buffer, PCMTRIG_START); 567 sb->bd_flags |= BD_F_DMARUN; 568 } 569 570 ch = &sb->rch; 571 if (ch->run) { 572 l = ch->blksz; 573 if (ch->fmt & AFMT_16BIT) 574 l >>= 1; 575 l--; 576 577 /* record speed */ 578 RANGE(ch->spd, 5000, 45000); 579 sb_cmd(sb, DSP_CMD_IN16); 580 sb_cmd(sb, ch->spd >> 8); 581 sb_cmd(sb, ch->spd & 0xff); 582 583 /* record format, length */ 584 v = DSP_F16_AUTO | DSP_F16_FIFO_ON | DSP_F16_ADC; 585 v |= (ch->fmt & AFMT_16BIT)? DSP_DMA16 : DSP_DMA8; 586 sb_cmd(sb, v); 587 588 v = (ch->fmt & AFMT_STEREO)? DSP_F16_STEREO : 0; 589 v |= (ch->fmt & AFMT_SIGNED)? DSP_F16_SIGNED : 0; 590 sb_cmd2(sb, v, l); 591 sndbuf_isadma(ch->buffer, PCMTRIG_START); 592 sb->bd_flags |= BD_F_DMARUN2; 593 } 594 595 return 0; 596} 597 598/* channel interface */ 599static void * 600sb16chan_init(kobj_t obj, void *devinfo, snd_dbuf *b, pcm_channel *c, int dir) 601{ 602 struct sb_info *sb = devinfo; 603 struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch; 604 605 ch->parent = sb; 606 ch->channel = c; 607 ch->buffer = b; 608 ch->dir = dir; 609 610 if (sndbuf_alloc(ch->buffer, sb->parent_dmat, SB16_BUFFSIZE) == -1) 611 return NULL; 612 613 return ch; 614} 615 616static int 617sb16chan_setformat(kobj_t obj, void *data, u_int32_t format) 618{ 619 struct sb_chinfo *ch = data; 620 struct sb_info *sb = ch->parent; 621 622 ch->fmt = format; 623 sb->prio = ch->dir; 624 sb->prio16 = (ch->fmt & AFMT_16BIT)? 1 : 0; 625 626 return 0; 627} 628 629static int 630sb16chan_setspeed(kobj_t obj, void *data, u_int32_t speed) 631{ 632 struct sb_chinfo *ch = data; 633 634 ch->spd = speed; 635 return speed; 636} 637 638static int 639sb16chan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 640{ 641 struct sb_chinfo *ch = data; 642 643 ch->blksz = blocksize; 644 return ch->blksz; 645} 646 647static int 648sb16chan_trigger(kobj_t obj, void *data, int go) 649{ 650 struct sb_chinfo *ch = data; 651 struct sb_info *sb = ch->parent; 652 653 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 654 return 0; 655 656 if (go == PCMTRIG_START) 657 ch->run = 1; 658 else 659 ch->run = 0; 660 661 sb_setup(sb); 662 663 return 0; 664} 665 666static int 667sb16chan_getptr(kobj_t obj, void *data) 668{ 669 struct sb_chinfo *ch = data; 670 671 return sndbuf_isadmaptr(ch->buffer); 672} 673 674static pcmchan_caps * 675sb16chan_getcaps(kobj_t obj, void *data) 676{ 677 struct sb_chinfo *ch = data; 678 struct sb_info *sb = ch->parent; 679 680 if ((sb->prio == 0) || (sb->prio == ch->dir)) 681 return &sb16x_caps; 682 else 683 return sb->prio16? &sb16_caps8 : &sb16_caps16; 684} 685 686static int 687sb16chan_resetdone(kobj_t obj, void *data) 688{ 689 struct sb_chinfo *ch = data; 690 struct sb_info *sb = ch->parent; 691 692 sb->prio = 0; 693 694 return 0; 695} 696 697static kobj_method_t sb16chan_methods[] = { 698 KOBJMETHOD(channel_init, sb16chan_init), 699 KOBJMETHOD(channel_resetdone, sb16chan_resetdone), 700 KOBJMETHOD(channel_setformat, sb16chan_setformat), 701 KOBJMETHOD(channel_setspeed, sb16chan_setspeed), 702 KOBJMETHOD(channel_setblocksize, sb16chan_setblocksize), 703 KOBJMETHOD(channel_trigger, sb16chan_trigger), 704 KOBJMETHOD(channel_getptr, sb16chan_getptr), 705 KOBJMETHOD(channel_getcaps, sb16chan_getcaps), 706 { 0, 0 } 707}; 708CHANNEL_DECLARE(sb16chan); 709 710/************************************************************/ 711 712static int 713sb16_probe(device_t dev) 714{ 715 char buf[64]; 716 uintptr_t func, ver, r, f; 717 718 /* The parent device has already been probed. */ 719 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func); 720 if (func != SCF_PCM) 721 return (ENXIO); 722 723 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); 724 f = (ver & 0xffff0000) >> 16; 725 ver &= 0x0000ffff; 726 if (f & BD_F_SB16) { 727 snprintf(buf, sizeof buf, "SB16 DSP %d.%02d%s", (int) ver >> 8, (int) ver & 0xff, 728 (f & BD_F_SB16X)? " (ViBRA16X)" : ""); 729 device_set_desc_copy(dev, buf); 730 return 0; 731 } else 732 return (ENXIO); 733} 734 735static int 736sb16_attach(device_t dev) 737{ 738 struct sb_info *sb; 739 uintptr_t ver; 740 char status[SND_STATUSLEN]; 741 int bs = SB16_BUFFSIZE; 742 743 sb = (struct sb_info *)malloc(sizeof *sb, M_DEVBUF, M_NOWAIT); 744 if (!sb) 745 return ENXIO; 746 bzero(sb, sizeof *sb); 747 748 BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); 749 sb->bd_id = ver & 0x0000ffff; 750 sb->bd_flags = (ver & 0xffff0000) >> 16; 751 752 if (sb16_alloc_resources(sb, dev)) 753 goto no; 754 if (sb_reset_dsp(sb)) 755 goto no; 756 if (mixer_init(dev, &sb16mix_mixer_class, sb)) 757 goto no; 758 if (bus_setup_intr(dev, sb->irq, INTR_TYPE_TTY, sb_intr, sb, &sb->ih)) 759 goto no; 760 761 if (sb->bd_flags & BD_F_SB16X) 762 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 763 764 sb->prio = 0; 765 766 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, 767 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 768 /*highaddr*/BUS_SPACE_MAXADDR, 769 /*filter*/NULL, /*filterarg*/NULL, 770 /*maxsize*/bs, /*nsegments*/1, 771 /*maxsegz*/0x3ffff, 772 /*flags*/0, &sb->parent_dmat) != 0) { 773 device_printf(dev, "unable to create dma tag\n"); 774 goto no; 775 } 776 777 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld", 778 rman_get_start(sb->io_base), rman_get_start(sb->irq), 779 rman_get_start(sb->drq1)); 780 if (!(pcm_getflags(dev) & SD_F_SIMPLEX)) 781 snprintf(status + strlen(status), SND_STATUSLEN - strlen(status), 782 ":%ld", rman_get_start(sb->drq2)); 783 784 if (pcm_register(dev, sb, 1, 1)) 785 goto no; 786 pcm_addchan(dev, PCMDIR_REC, &sb16chan_class, sb); 787 pcm_addchan(dev, PCMDIR_PLAY, &sb16chan_class, sb); 788 789 pcm_setstatus(dev, status); 790 791 return 0; 792 793no: 794 sb16_release_resources(sb, dev); 795 return ENXIO; 796} 797 798static int 799sb16_detach(device_t dev) 800{ 801 int r; 802 struct sb_info *sb; 803 804 r = pcm_unregister(dev); 805 if (r) 806 return r; 807 808 sb = pcm_getdevinfo(dev); 809 sb16_release_resources(sb, dev); 810 return 0; 811} 812 813static device_method_t sb16_methods[] = { 814 /* Device interface */ 815 DEVMETHOD(device_probe, sb16_probe), 816 DEVMETHOD(device_attach, sb16_attach), 817 DEVMETHOD(device_detach, sb16_detach), 818 819 { 0, 0 } 820}; 821 822static driver_t sb16_driver = { 823 "pcm", 824 sb16_methods, 825 sizeof(snddev_info), 826}; 827 828DRIVER_MODULE(snd_sb16, sbc, sb16_driver, pcm_devclass, 0, 0); 829MODULE_DEPEND(snd_sb16, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); 830MODULE_VERSION(snd_sb16, 1); 831 832 833 834 835