sb16.c revision 60958
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 60958 2000-05-26 21:15:47Z cg $ 32 */ 33 34#include <dev/sound/pcm/sound.h> 35 36#include "sbc.h" 37 38#define __SB_MIXER_C__ /* XXX warning... */ 39#include <dev/sound/isa/sb.h> 40#include <dev/sound/chip.h> 41 42#define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16) 43 44/* channel interface */ 45static void *sbchan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir); 46static int sbchan_setdir(void *data, int dir); 47static int sbchan_setformat(void *data, u_int32_t format); 48static int sbchan_setspeed(void *data, u_int32_t speed); 49static int sbchan_setblocksize(void *data, u_int32_t blocksize); 50static int sbchan_trigger(void *data, int go); 51static int sbchan_getptr(void *data); 52static pcmchan_caps *sbchan_getcaps(void *data); 53 54static pcmchan_caps sb_playcaps = { 55 4000, 22050, 56 AFMT_U8, 57 AFMT_U8 58}; 59 60static pcmchan_caps sb_reccaps = { 61 4000, 13000, 62 AFMT_U8, 63 AFMT_U8 64}; 65 66static pcmchan_caps sbpro_playcaps = { 67 4000, 45000, 68 AFMT_STEREO | AFMT_U8, 69 AFMT_STEREO | AFMT_U8 70}; 71 72static pcmchan_caps sbpro_reccaps = { 73 4000, 15000, 74 AFMT_STEREO | AFMT_U8, 75 AFMT_STEREO | AFMT_U8 76}; 77 78static pcmchan_caps sb16_hcaps = { 79 5000, 45000, 80 AFMT_STEREO | AFMT_S16_LE, 81 AFMT_STEREO | AFMT_S16_LE 82}; 83 84static pcmchan_caps sb16_lcaps = { 85 5000, 45000, 86 AFMT_STEREO | AFMT_U8, 87 AFMT_STEREO | AFMT_U8 88}; 89 90static pcmchan_caps sb16x_caps = { 91 5000, 49000, 92 AFMT_STEREO | AFMT_U8 | AFMT_S16_LE, 93 AFMT_STEREO | AFMT_S16_LE 94}; 95 96static pcm_channel sb_chantemplate = { 97 sbchan_init, 98 sbchan_setdir, 99 sbchan_setformat, 100 sbchan_setspeed, 101 sbchan_setblocksize, 102 sbchan_trigger, 103 sbchan_getptr, 104 sbchan_getcaps, 105}; 106 107struct sb_info; 108 109struct sb_chinfo { 110 struct sb_info *parent; 111 pcm_channel *channel; 112 snd_dbuf *buffer; 113 int dir; 114 u_int32_t fmt, spd; 115}; 116 117struct sb_info { 118 struct resource *io_base; /* I/O address for the board */ 119 struct resource *irq; 120 struct resource *drq1; 121 struct resource *drq2; 122 bus_dma_tag_t parent_dmat; 123 124 int bd_id; 125 u_long bd_flags; /* board-specific flags */ 126 struct sb_chinfo pch, rch; 127}; 128 129static int sb_rd(struct sb_info *sb, int reg); 130static void sb_wr(struct sb_info *sb, int reg, u_int8_t val); 131static int sb_dspready(struct sb_info *sb); 132static int sb_cmd(struct sb_info *sb, u_char val); 133static int sb_cmd1(struct sb_info *sb, u_char cmd, int val); 134static int sb_cmd2(struct sb_info *sb, u_char cmd, int val); 135static u_int sb_get_byte(struct sb_info *sb); 136static void sb_setmixer(struct sb_info *sb, u_int port, u_int value); 137static int sb_getmixer(struct sb_info *sb, u_int port); 138static int sb_reset_dsp(struct sb_info *sb); 139 140static void sb_intr(void *arg); 141static int sb_speed(struct sb_chinfo *ch); 142static int sb_start(struct sb_chinfo *ch); 143static int sb_stop(struct sb_chinfo *ch); 144 145static int sbmix_init(snd_mixer *m); 146static int sbmix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right); 147static int sbmix_setrecsrc(snd_mixer *m, u_int32_t src); 148 149static snd_mixer sb_mixer = { 150 "SoundBlaster mixer", 151 sbmix_init, 152 sbmix_set, 153 sbmix_setrecsrc, 154}; 155 156static devclass_t pcm_devclass; 157 158/* 159 * Common code for the midi and pcm functions 160 * 161 * sb_cmd write a single byte to the CMD port. 162 * sb_cmd1 write a CMD + 1 byte arg 163 * sb_cmd2 write a CMD + 2 byte arg 164 * sb_get_byte returns a single byte from the DSP data port 165 * 166 * ess_write is actually sb_cmd1 167 * ess_read access ext. regs via sb_cmd(0xc0, reg) followed by sb_get_byte 168 */ 169 170static int 171port_rd(struct resource *port, int off) 172{ 173 return bus_space_read_1(rman_get_bustag(port), 174 rman_get_bushandle(port), 175 off); 176} 177 178static void 179port_wr(struct resource *port, int off, u_int8_t data) 180{ 181 return bus_space_write_1(rman_get_bustag(port), 182 rman_get_bushandle(port), 183 off, data); 184} 185 186static int 187sb_rd(struct sb_info *sb, int reg) 188{ 189 return port_rd(sb->io_base, reg); 190} 191 192static void 193sb_wr(struct sb_info *sb, int reg, u_int8_t val) 194{ 195 port_wr(sb->io_base, reg, val); 196} 197 198static int 199sb_dspready(struct sb_info *sb) 200{ 201 return ((sb_rd(sb, SBDSP_STATUS) & 0x80) == 0); 202} 203 204static int 205sb_dspwr(struct sb_info *sb, u_char val) 206{ 207 int i; 208 209 for (i = 0; i < 1000; i++) { 210 if (sb_dspready(sb)) { 211 sb_wr(sb, SBDSP_CMD, val); 212 return 1; 213 } 214 if (i > 10) DELAY((i > 100)? 1000 : 10); 215 } 216 printf("sb_dspwr(0x%02x) timed out.\n", val); 217 return 0; 218} 219 220static int 221sb_cmd(struct sb_info *sb, u_char val) 222{ 223#if 0 224 printf("sb_cmd: %x\n", val); 225#endif 226 return sb_dspwr(sb, val); 227} 228 229static int 230sb_cmd1(struct sb_info *sb, u_char cmd, int val) 231{ 232#if 0 233 printf("sb_cmd1: %x, %x\n", cmd, val); 234#endif 235 if (sb_dspwr(sb, cmd)) { 236 return sb_dspwr(sb, val & 0xff); 237 } else return 0; 238} 239 240static int 241sb_cmd2(struct sb_info *sb, u_char cmd, int val) 242{ 243#if 0 244 printf("sb_cmd2: %x, %x\n", cmd, val); 245#endif 246 if (sb_dspwr(sb, cmd)) { 247 return sb_dspwr(sb, val & 0xff) && 248 sb_dspwr(sb, (val >> 8) & 0xff); 249 } else return 0; 250} 251 252/* 253 * in the SB, there is a set of indirect "mixer" registers with 254 * address at offset 4, data at offset 5 255 */ 256static void 257sb_setmixer(struct sb_info *sb, u_int port, u_int value) 258{ 259 u_long flags; 260 261 flags = spltty(); 262 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 263 DELAY(10); 264 sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff)); 265 DELAY(10); 266 splx(flags); 267} 268 269static int 270sb_getmixer(struct sb_info *sb, u_int port) 271{ 272 int val; 273 u_long flags; 274 275 flags = spltty(); 276 sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 277 DELAY(10); 278 val = sb_rd(sb, SB_MIX_DATA); 279 DELAY(10); 280 splx(flags); 281 282 return val; 283} 284 285static u_int 286sb_get_byte(struct sb_info *sb) 287{ 288 int i; 289 290 for (i = 1000; i > 0; i--) { 291 if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80) 292 return sb_rd(sb, DSP_READ); 293 else 294 DELAY(20); 295 } 296 return 0xffff; 297} 298 299static int 300sb_reset_dsp(struct sb_info *sb) 301{ 302 sb_wr(sb, SBDSP_RST, 3); 303 DELAY(100); 304 sb_wr(sb, SBDSP_RST, 0); 305 if (sb_get_byte(sb) != 0xAA) { 306 DEB(printf("sb_reset_dsp 0x%lx failed\n", 307 rman_get_start(d->io_base))); 308 return ENXIO; /* Sorry */ 309 } 310 if (sb->bd_flags & BD_F_ESS) 311 sb_cmd(sb, 0xc6); 312 return 0; 313} 314 315static void 316sb_release_resources(struct sb_info *sb, device_t dev) 317{ 318 /* should we bus_teardown_intr here? */ 319 if (sb->irq) { 320 bus_release_resource(dev, SYS_RES_IRQ, 0, sb->irq); 321 sb->irq = 0; 322 } 323 if (sb->drq1) { 324 bus_release_resource(dev, SYS_RES_DRQ, 0, sb->drq1); 325 sb->drq1 = 0; 326 } 327 if (sb->drq2) { 328 bus_release_resource(dev, SYS_RES_DRQ, 1, sb->drq2); 329 sb->drq2 = 0; 330 } 331 if (sb->io_base) { 332 bus_release_resource(dev, SYS_RES_IOPORT, 0, sb->io_base); 333 sb->io_base = 0; 334 } 335 free(sb, M_DEVBUF); 336} 337 338static int 339sb_alloc_resources(struct sb_info *sb, device_t dev) 340{ 341 int rid; 342 343 rid = 0; 344 if (!sb->io_base) 345 sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, 346 &rid, 0, ~0, 1, 347 RF_ACTIVE); 348 rid = 0; 349 if (!sb->irq) 350 sb->irq = bus_alloc_resource(dev, SYS_RES_IRQ, 351 &rid, 0, ~0, 1, 352 RF_ACTIVE); 353 rid = 0; 354 if (!sb->drq1) 355 sb->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ, 356 &rid, 0, ~0, 1, 357 RF_ACTIVE); 358 rid = 1; 359 if (!sb->drq2) 360 sb->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ, 361 &rid, 0, ~0, 1, 362 RF_ACTIVE); 363 364 if (sb->io_base && sb->drq1 && sb->irq) { 365 int bs = DSP_BUFFSIZE; 366 367 isa_dma_acquire(rman_get_start(sb->drq1)); 368 isa_dmainit(rman_get_start(sb->drq1), bs); 369 370 if (sb->drq2) { 371 isa_dma_acquire(rman_get_start(sb->drq2)); 372 isa_dmainit(rman_get_start(sb->drq2), bs); 373 } 374 375 return 0; 376 } else return ENXIO; 377} 378 379static void 380sb16_swap(void *v, int dir) 381{ 382 struct sb_info *sb = v; 383 int pb = sb->pch.buffer->dl; 384 int rb = sb->rch.buffer->dl; 385 int pc = sb->pch.buffer->chan; 386 int rc = sb->rch.buffer->chan; 387 int swp = 0; 388 389 if (!pb && !rb) { 390 if (dir == PCMDIR_PLAY && pc < 4) 391 swp = 1; 392 else 393 if (dir == PCMDIR_REC && rc < 4) 394 swp = 1; 395 if (swp) { 396 int t; 397 398 t = sb->pch.buffer->chan; 399 sb->pch.buffer->chan = sb->rch.buffer->chan; 400 sb->rch.buffer->chan = t; 401 sb->pch.buffer->dir = ISADMA_WRITE; 402 sb->rch.buffer->dir = ISADMA_READ; 403 } 404 } 405} 406 407static int 408sb_doattach(device_t dev, struct sb_info *sb) 409{ 410 snddev_info *d = device_get_softc(dev); 411 void *ih; 412 char status[SND_STATUSLEN]; 413 int bs = DSP_BUFFSIZE; 414 415 if (sb_alloc_resources(sb, dev)) 416 goto no; 417 if (sb_reset_dsp(sb)) 418 goto no; 419 mixer_init(d, &sb_mixer, sb); 420 421 bus_setup_intr(dev, sb->irq, INTR_TYPE_TTY, sb_intr, sb, &ih); 422 if ((sb->bd_flags & BD_F_SB16) && !(sb->bd_flags & BD_F_SB16X)) 423 pcm_setswap(dev, sb16_swap); 424 if (!sb->drq2) 425 pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX); 426 427 if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, 428 /*lowaddr*/BUS_SPACE_MAXADDR_24BIT, 429 /*highaddr*/BUS_SPACE_MAXADDR, 430 /*filter*/NULL, /*filterarg*/NULL, 431 /*maxsize*/bs, /*nsegments*/1, 432 /*maxsegz*/0x3ffff, 433 /*flags*/0, &sb->parent_dmat) != 0) { 434 device_printf(dev, "unable to create dma tag\n"); 435 goto no; 436 } 437 438 snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %ld", 439 rman_get_start(sb->io_base), rman_get_start(sb->irq), 440 rman_get_start(sb->drq1)); 441 if (sb->drq2) 442 snprintf(status + strlen(status), SND_STATUSLEN - strlen(status), 443 ":%ld", rman_get_start(sb->drq2)); 444 445 if (pcm_register(dev, sb, 1, 1)) 446 goto no; 447 pcm_addchan(dev, PCMDIR_REC, &sb_chantemplate, sb); 448 pcm_addchan(dev, PCMDIR_PLAY, &sb_chantemplate, sb); 449 pcm_setstatus(dev, status); 450 451 return 0; 452 453no: 454 sb_release_resources(sb, dev); 455 return ENXIO; 456} 457 458static void 459sb_intr(void *arg) 460{ 461 struct sb_info *sb = (struct sb_info *)arg; 462 int reason = 3, c; 463 464 /* 465 * SB < 4.0 is half duplex and has only 1 bit for int source, 466 * so we fake it. SB 4.x (SB16) has the int source in a separate 467 * register. 468 * The Vibra16X has separate flags for 8 and 16 bit transfers, but 469 * I have no idea how to tell capture from playback interrupts... 470 */ 471 if (sb->bd_flags & BD_F_SB16) { 472 c = sb_getmixer(sb, IRQ_STAT); 473 /* this tells us if the source is 8-bit or 16-bit dma. We 474 * have to check the io channel to map it to read or write... 475 */ 476 reason = 0; 477 if (c & 1) { /* 8-bit dma */ 478 if (sb->pch.fmt & AFMT_U8) 479 reason |= 1; 480 if (sb->rch.fmt & AFMT_U8) 481 reason |= 2; 482 } 483 if (c & 2) { /* 16-bit dma */ 484 if (sb->pch.fmt & AFMT_S16_LE) 485 reason |= 1; 486 if (sb->rch.fmt & AFMT_S16_LE) 487 reason |= 2; 488 } 489 } else c = 1; 490#if 0 491 printf("sb_intr: reason=%d c=0x%x\n", reason, c); 492#endif 493 if ((reason & 1) && (sb->pch.buffer->dl > 0)) 494 chn_intr(sb->pch.channel); 495 if ((reason & 2) && (sb->rch.buffer->dl > 0)) 496 chn_intr(sb->rch.channel); 497 if (c & 1) 498 sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */ 499 if (c & 2) 500 sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */ 501} 502 503static int 504sb_speed(struct sb_chinfo *ch) 505{ 506 struct sb_info *sb = ch->parent; 507 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 508 int stereo = (ch->fmt & AFMT_STEREO)? 1 : 0; 509 int speed = ch->spd; 510 511 if (sb->bd_flags & BD_F_SB16) { 512 RANGE(speed, 5000, 45000); 513 sb_cmd(sb, 0x42 - play); 514 sb_cmd(sb, speed >> 8); 515 sb_cmd(sb, speed & 0xff); 516 } else { 517 u_char tconst; 518 int max_speed = 45000, tmp; 519 u_long flags; 520 521 /* here enforce speed limitations - max 22050 on sb 1.x*/ 522 if (sb->bd_id <= 0x200) 523 max_speed = 22050; 524 525 /* 526 * SB models earlier than SB Pro have low limit for the 527 * input rate. Note that this is only for input, but since 528 * we do not support separate values for rec & play.... 529 */ 530 if (!play) { 531 if (sb->bd_id <= 0x200) 532 max_speed = 13000; 533 else 534 if (sb->bd_id < 0x300) 535 max_speed = 15000; 536 } 537 RANGE(speed, 4000, max_speed); 538 if (stereo) 539 speed <<= 1; 540 541 /* 542 * Now the speed should be valid. Compute the value to be 543 * programmed into the board. 544 */ 545 if (speed > 22050) { /* High speed mode on 2.01/3.xx */ 546 tconst = (u_char) 547 ((65536 - ((256000000 + speed / 2) / speed)) 548 >> 8); 549 sb->bd_flags |= BD_F_HISPEED; 550 tmp = 65536 - (tconst << 8); 551 speed = (256000000 + tmp / 2) / tmp; 552 } else { 553 sb->bd_flags &= ~BD_F_HISPEED; 554 tconst = (256 - ((1000000 + speed / 2) / speed)) & 0xff; 555 tmp = 256 - tconst; 556 speed = (1000000 + tmp / 2) / tmp; 557 } 558 flags = spltty(); 559 sb_cmd1(sb, 0x40, tconst); /* set time constant */ 560 splx(flags); 561 if (stereo) 562 speed >>= 1; 563 } 564 ch->spd = speed; 565 return speed; 566} 567 568static int 569sb_start(struct sb_chinfo *ch) 570{ 571 struct sb_info *sb = ch->parent; 572 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 573 int b16 = (ch->fmt & AFMT_S16_LE)? 1 : 0; 574 int stereo = (ch->fmt & AFMT_STEREO)? 1 : 0; 575 int l = ch->buffer->dl; 576 int dh = ch->buffer->chan > 3; 577 u_char i1, i2; 578 579 if (b16 || dh) 580 l >>= 1; 581 l--; 582 583 if (play) 584 sb_cmd(sb, DSP_CMD_SPKON); 585 586 if (sb->bd_flags & BD_F_SB16) { 587 i1 = DSP_F16_AUTO | DSP_F16_FIFO_ON; 588 i1 |= play? DSP_F16_DAC : DSP_F16_ADC; 589 i1 |= (b16 || dh)? DSP_DMA16 : DSP_DMA8; 590 i2 = (stereo? DSP_F16_STEREO : 0) | (b16? DSP_F16_SIGNED : 0); 591 sb_cmd(sb, i1); 592 sb_cmd2(sb, i2, l); 593 } else { 594 if (sb->bd_flags & BD_F_HISPEED) 595 i1 = play? 0x90 : 0x98; 596 else 597 i1 = play? 0x1c : 0x2c; 598 sb_setmixer(sb, 0x0e, stereo? 2 : 0); 599 sb_cmd2(sb, 0x48, l); 600 sb_cmd(sb, i1); 601 } 602 sb->bd_flags |= BD_F_DMARUN << b16; 603 return 0; 604} 605 606static int 607sb_stop(struct sb_chinfo *ch) 608{ 609 struct sb_info *sb = ch->parent; 610 int play = (ch->dir == PCMDIR_PLAY)? 1 : 0; 611 int b16 = (ch->fmt & AFMT_S16_LE)? 1 : 0; 612 613 if (sb->bd_flags & BD_F_HISPEED) 614 sb_reset_dsp(sb); 615 else { 616 sb_cmd(sb, b16? DSP_CMD_DMAPAUSE_16 : DSP_CMD_DMAPAUSE_8); 617 /* 618 * The above seems to have the undocumented side effect of 619 * blocking the other side as well. If the other 620 * channel was active (SB16) I have to re-enable it :( 621 */ 622 if (sb->bd_flags & (BD_F_DMARUN << (1 - b16))) 623 sb_cmd(sb, b16? 0xd4 : 0xd6 ); 624 } 625 if (play) 626 sb_cmd(sb, DSP_CMD_SPKOFF); /* speaker off */ 627 sb->bd_flags &= ~(BD_F_DMARUN << b16); 628 return 0; 629} 630 631/* channel interface */ 632static void * 633sbchan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir) 634{ 635 struct sb_info *sb = devinfo; 636 struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch; 637 int dch, dl, dh; 638 639 ch->parent = sb; 640 ch->channel = c; 641 ch->buffer = b; 642 ch->buffer->bufsize = DSP_BUFFSIZE; 643 if (chn_allocbuf(ch->buffer, sb->parent_dmat) == -1) 644 return NULL; 645 dch = (dir == PCMDIR_PLAY)? 1 : 0; 646 if (sb->bd_flags & BD_F_SB16X) 647 dch = !dch; 648 dl = rman_get_start(sb->drq1); 649 dh = sb->drq2? rman_get_start(sb->drq2) : dl; 650 ch->buffer->chan = dch? dh : dl; 651 return ch; 652} 653 654static int 655sbchan_setdir(void *data, int dir) 656{ 657 struct sb_chinfo *ch = data; 658 659 ch->dir = dir; 660 return 0; 661} 662 663static int 664sbchan_setformat(void *data, u_int32_t format) 665{ 666 struct sb_chinfo *ch = data; 667 668 ch->fmt = format; 669 return 0; 670} 671 672static int 673sbchan_setspeed(void *data, u_int32_t speed) 674{ 675 struct sb_chinfo *ch = data; 676 677 ch->spd = speed; 678 return sb_speed(ch); 679} 680 681static int 682sbchan_setblocksize(void *data, u_int32_t blocksize) 683{ 684 return blocksize; 685} 686 687static int 688sbchan_trigger(void *data, int go) 689{ 690 struct sb_chinfo *ch = data; 691 692 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 693 return 0; 694 695 buf_isadma(ch->buffer, go); 696 if (go == PCMTRIG_START) 697 sb_start(ch); 698 else 699 sb_stop(ch); 700 return 0; 701} 702 703static int 704sbchan_getptr(void *data) 705{ 706 struct sb_chinfo *ch = data; 707 708 return buf_isadmaptr(ch->buffer); 709} 710 711static pcmchan_caps * 712sbchan_getcaps(void *data) 713{ 714 struct sb_chinfo *ch = data; 715 int p = (ch->dir == PCMDIR_PLAY)? 1 : 0; 716 717 if (ch->parent->bd_id < 0x300) 718 return p? &sb_playcaps : &sb_reccaps; 719 else if (ch->parent->bd_id < 0x400) 720 return p? &sbpro_playcaps : &sbpro_reccaps; 721 else if (ch->parent->bd_flags & BD_F_SB16X) 722 return &sb16x_caps; 723 else 724 return (ch->buffer->chan >= 4)? &sb16_hcaps : &sb16_lcaps; 725} 726 727/************************************************************/ 728 729static int 730sbmix_init(snd_mixer *m) 731{ 732 struct sb_info *sb = mix_getdevinfo(m); 733 734 switch (sb->bd_flags & BD_F_MIX_MASK) { 735 case BD_F_MIX_CT1345: /* SB 3.0 has 1345 mixer */ 736 mix_setdevs(m, SBPRO_MIXER_DEVICES); 737 mix_setrecdevs(m, SBPRO_RECORDING_DEVICES); 738 sb_setmixer(sb, 0, 1); /* reset mixer */ 739 sb_setmixer(sb, MIC_VOL, 0x6); /* mic volume max */ 740 sb_setmixer(sb, RECORD_SRC, 0x0); /* mic source */ 741 sb_setmixer(sb, FM_VOL, 0x0); /* no midi */ 742 break; 743 744 case BD_F_MIX_CT1745: /* SB16 mixer ... */ 745 mix_setdevs(m, SB16_MIXER_DEVICES); 746 mix_setrecdevs(m, SB16_RECORDING_DEVICES); 747 sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */ 748 sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */ 749 sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */ 750 } 751 return 0; 752} 753 754static int 755sbmix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right) 756{ 757 struct sb_info *sb = mix_getdevinfo(m); 758 int regoffs; 759 u_char val; 760 mixer_tab *iomap; 761 762 switch (sb->bd_flags & BD_F_MIX_MASK) { 763 case BD_F_MIX_CT1345: 764 iomap = &sbpro_mix; 765 break; 766 767 case BD_F_MIX_CT1745: 768 iomap = &sb16_mix; 769 break; 770 771 default: 772 return -1; 773 } 774 775 /* Change left channel */ 776 regoffs = (*iomap)[dev][LEFT_CHN].regno; 777 if (regoffs != 0) { 778 val = sb_getmixer(sb, regoffs); 779 change_bits(iomap, &val, dev, LEFT_CHN, left); 780 sb_setmixer(sb, regoffs, val); 781 } 782 783 /* Change right channel */ 784 regoffs = (*iomap)[dev][RIGHT_CHN].regno; 785 if (regoffs != 0) { 786 val = sb_getmixer(sb, regoffs); /* Read the new one */ 787 change_bits(iomap, &val, dev, RIGHT_CHN, right); 788 sb_setmixer(sb, regoffs, val); 789 } else 790 right = left; 791 792 return left | (right << 8); 793} 794 795static int 796sbmix_setrecsrc(snd_mixer *m, u_int32_t src) 797{ 798 struct sb_info *sb = mix_getdevinfo(m); 799 u_char recdev; 800 801 switch (sb->bd_flags & BD_F_MIX_MASK) { 802 case BD_F_MIX_CT1345: 803 if (src == SOUND_MASK_LINE) 804 recdev = 0x06; 805 else if (src == SOUND_MASK_CD) 806 recdev = 0x02; 807 else { /* default: mic */ 808 src = SOUND_MASK_MIC; 809 recdev = 0; 810 } 811 sb_setmixer(sb, RECORD_SRC, recdev | 812 (sb_getmixer(sb, RECORD_SRC) & ~0x07)); 813 break; 814 815 case BD_F_MIX_CT1745: /* sb16 */ 816 recdev = 0; 817 if (src & SOUND_MASK_MIC) 818 recdev |= 0x01; /* mono mic */ 819 if (src & SOUND_MASK_CD) 820 recdev |= 0x06; /* l+r cd */ 821 if (src & SOUND_MASK_LINE) 822 recdev |= 0x18; /* l+r line */ 823 if (src & SOUND_MASK_SYNTH) 824 recdev |= 0x60; /* l+r midi */ 825 sb_setmixer(sb, SB16_IMASK_L, recdev); 826 sb_setmixer(sb, SB16_IMASK_R, recdev); 827 /* 828 * since the same volume controls apply to the input and 829 * output sections, the best approach to have a consistent 830 * behaviour among cards would be to disable the output path 831 * on devices which are used to record. 832 * However, since users like to have feedback, we only disable 833 * the mic -- permanently. 834 */ 835 sb_setmixer(sb, SB16_OMASK, 0x1f & ~1); 836 break; 837 } 838 return src; 839} 840 841static int 842sbsbc_probe(device_t dev) 843{ 844 char buf[64]; 845 uintptr_t func, ver, r, f; 846 847 /* The parent device has already been probed. */ 848 r = BUS_READ_IVAR(device_get_parent(dev), dev, 0, &func); 849 if (func != SCF_PCM) 850 return (ENXIO); 851 852 r = BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); 853 f = (ver & 0xffff0000) >> 16; 854 ver &= 0x0000ffff; 855 if (f & BD_F_ESS) 856 return (ENXIO); 857 858 snprintf(buf, sizeof buf, "SB DSP %d.%02d%s", (int) ver >> 8, (int) ver & 0xff, 859 (f & BD_F_SB16X)? " (ViBRA16X)" : ""); 860 device_set_desc_copy(dev, buf); 861 862 return 0; 863} 864 865static int 866sbsbc_attach(device_t dev) 867{ 868 struct sb_info *sb; 869 uintptr_t ver; 870 871 sb = (struct sb_info *)malloc(sizeof *sb, M_DEVBUF, M_NOWAIT); 872 if (!sb) 873 return ENXIO; 874 bzero(sb, sizeof *sb); 875 876 BUS_READ_IVAR(device_get_parent(dev), dev, 1, &ver); 877 sb->bd_id = ver & 0x0000ffff; 878 sb->bd_flags = (ver & 0xffff0000) >> 16; 879 880 return sb_doattach(dev, sb); 881} 882 883static device_method_t sbsbc_methods[] = { 884 /* Device interface */ 885 DEVMETHOD(device_probe, sbsbc_probe), 886 DEVMETHOD(device_attach, sbsbc_attach), 887 888 { 0, 0 } 889}; 890 891static driver_t sbsbc_driver = { 892 "pcm", 893 sbsbc_methods, 894 sizeof(snddev_info), 895}; 896 897DRIVER_MODULE(sbsbc, sbc, sbsbc_driver, pcm_devclass, 0, 0); 898 899 900 901