sbdsp.c revision 1.37
1 /* $NetBSD: sbdsp.c,v 1.37 1997/03/20 16:04:22 mycroft Exp $ */ 2 3 /* 4 * Copyright (c) 1991-1993 Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the Computer Systems 18 * Engineering Group at Lawrence Berkeley Laboratory. 19 * 4. Neither the name of the University nor of the Laboratory may be used 20 * to endorse or promote products derived from this software without 21 * specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 */ 36 /* 37 * SoundBlaster Pro code provided by John Kohl, based on lots of 38 * information he gleaned from Steve Haehnichen <steve (at) vigra.com>'s 39 * SBlast driver for 386BSD and DOS driver code from Daniel Sachs 40 * <sachs (at) meibm15.cen.uiuc.edu>. 41 */ 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/errno.h> 46 #include <sys/ioctl.h> 47 #include <sys/syslog.h> 48 #include <sys/device.h> 49 #include <sys/proc.h> 50 #include <sys/buf.h> 51 #include <vm/vm.h> 52 53 #include <machine/cpu.h> 54 #include <machine/intr.h> 55 #include <machine/pio.h> 56 57 #include <sys/audioio.h> 58 #include <dev/audio_if.h> 59 60 #include <dev/isa/isavar.h> 61 #include <dev/isa/isadmavar.h> 62 #include <i386/isa/icu.h> /* XXX BROKEN; WHY? */ 63 64 #include <dev/isa/sbreg.h> 65 #include <dev/isa/sbdspvar.h> 66 67 #ifdef AUDIO_DEBUG 68 extern void Dprintf __P((const char *, ...)); 69 #define DPRINTF(x) if (sbdspdebug) Dprintf x 70 int sbdspdebug = 0; 71 #else 72 #define DPRINTF(x) 73 #endif 74 75 #ifndef SBDSP_NPOLL 76 #define SBDSP_NPOLL 3000 77 #endif 78 79 struct { 80 int wdsp; 81 int rdsp; 82 int wmidi; 83 } sberr; 84 85 int sbdsp_srtotc __P((struct sbdsp_softc *sc, int sr, int isdac, 86 int *tcp, int *modep)); 87 u_int sbdsp_jazz16_probe __P((struct sbdsp_softc *)); 88 89 /* 90 * Time constant routines follow. See SBK, section 12. 91 * Although they don't come out and say it (in the docs), 92 * the card clearly uses a 1MHz countdown timer, as the 93 * low-speed formula (p. 12-4) is: 94 * tc = 256 - 10^6 / sr 95 * In high-speed mode, the constant is the upper byte of a 16-bit counter, 96 * and a 256MHz clock is used: 97 * tc = 65536 - 256 * 10^ 6 / sr 98 * Since we can only use the upper byte of the HS TC, the two formulae 99 * are equivalent. (Why didn't they say so?) E.g., 100 * (65536 - 256 * 10 ^ 6 / x) >> 8 = 256 - 10^6 / x 101 * 102 * The crossover point (from low- to high-speed modes) is different 103 * for the SBPRO and SB20. The table on p. 12-5 gives the following data: 104 * 105 * SBPRO SB20 106 * ----- -------- 107 * input ls min 4 KHz 4 KHz 108 * input ls max 23 KHz 13 KHz 109 * input hs max 44.1 KHz 15 KHz 110 * output ls min 4 KHz 4 KHz 111 * output ls max 23 KHz 23 KHz 112 * output hs max 44.1 KHz 44.1 KHz 113 */ 114 #define SB_LS_MIN 0x06 /* 4000 Hz */ 115 #define SB_8K 0x83 /* 8000 Hz */ 116 #define SBPRO_ADC_LS_MAX 0xd4 /* 22727 Hz */ 117 #define SBPRO_ADC_HS_MAX 0xea /* 45454 Hz */ 118 #define SBCLA_ADC_LS_MAX 0xb3 /* 12987 Hz */ 119 #define SBCLA_ADC_HS_MAX 0xbd /* 14925 Hz */ 120 #define SB_DAC_LS_MAX 0xd4 /* 22727 Hz */ 121 #define SB_DAC_HS_MAX 0xea /* 45454 Hz */ 122 123 int sbdsp16_wait __P((struct sbdsp_softc *)); 124 void sbdsp_to __P((void *)); 125 void sbdsp_pause __P((struct sbdsp_softc *)); 126 int sbdsp16_setrate __P((struct sbdsp_softc *, int, int, int *)); 127 int sbdsp_tctosr __P((struct sbdsp_softc *, int)); 128 int sbdsp_set_timeconst __P((struct sbdsp_softc *, int)); 129 130 #ifdef AUDIO_DEBUG 131 void sb_printsc __P((struct sbdsp_softc *)); 132 #endif 133 134 #ifdef AUDIO_DEBUG 135 void 136 sb_printsc(sc) 137 struct sbdsp_softc *sc; 138 { 139 int i; 140 141 printf("open %d dmachan %d/%d/%d iobase %x\n", 142 sc->sc_open, sc->sc_drq, sc->sc_drq8, sc->sc_drq16, sc->sc_iobase); 143 printf("irate %d itc %d imode %d orate %d otc %d omode %d encoding %x\n", 144 sc->sc_irate, sc->sc_itc, sc->sc_imode, 145 sc->sc_orate, sc->sc_otc, sc->sc_omode, sc->sc_encoding); 146 printf("outport %d inport %d spkron %d nintr %lu\n", 147 sc->out_port, sc->in_port, sc->spkr_state, sc->sc_interrupts); 148 printf("precision %d channels %d intr %p arg %p\n", 149 sc->sc_precision, sc->sc_channels, sc->sc_intr, sc->sc_arg); 150 printf("gain: "); 151 for (i = 0; i < SB_NDEVS; i++) 152 printf("%d ", sc->gain[i]); 153 printf("\n"); 154 } 155 #endif 156 157 /* 158 * Probe / attach routines. 159 */ 160 161 /* 162 * Probe for the soundblaster hardware. 163 */ 164 int 165 sbdsp_probe(sc) 166 struct sbdsp_softc *sc; 167 { 168 169 if (sbdsp_reset(sc) < 0) { 170 DPRINTF(("sbdsp: couldn't reset card\n")); 171 return 0; 172 } 173 /* if flags set, go and probe the jazz16 stuff */ 174 if (sc->sc_dev.dv_cfdata->cf_flags != 0) 175 sc->sc_model = sbdsp_jazz16_probe(sc); 176 else 177 sc->sc_model = sbversion(sc); 178 179 return 1; 180 } 181 182 /* 183 * Try add-on stuff for Jazz16. 184 */ 185 u_int 186 sbdsp_jazz16_probe(sc) 187 struct sbdsp_softc *sc; 188 { 189 static u_char jazz16_irq_conf[16] = { 190 -1, -1, 0x02, 0x03, 191 -1, 0x01, -1, 0x04, 192 -1, 0x02, 0x05, -1, 193 -1, -1, -1, 0x06}; 194 static u_char jazz16_drq_conf[8] = { 195 -1, 0x01, -1, 0x02, 196 -1, 0x03, -1, 0x04}; 197 198 u_int rval = sbversion(sc); 199 bus_space_tag_t iot = sc->sc_iot; 200 bus_space_handle_t ioh; 201 202 if (bus_space_map(iot, JAZZ16_CONFIG_PORT, 1, 0, &ioh)) 203 return rval; 204 205 if (jazz16_drq_conf[sc->sc_drq8] == (u_char)-1 || 206 jazz16_irq_conf[sc->sc_irq] == (u_char)-1) 207 goto done; /* give up, we can't do it. */ 208 209 bus_space_write_1(iot, ioh, 0, JAZZ16_WAKEUP); 210 delay(10000); /* delay 10 ms */ 211 bus_space_write_1(iot, ioh, 0, JAZZ16_SETBASE); 212 bus_space_write_1(iot, ioh, 0, sc->sc_iobase & 0x70); 213 214 if (sbdsp_reset(sc) < 0) 215 goto done; /* XXX? what else could we do? */ 216 217 if (sbdsp_wdsp(sc, JAZZ16_READ_VER)) 218 goto done; 219 220 if (sbdsp_rdsp(sc) != JAZZ16_VER_JAZZ) 221 goto done; 222 223 /* XXX set both 8 & 16-bit drq to same channel, it works fine. */ 224 sc->sc_drq16 = sc->sc_drq8; 225 if (sbdsp_wdsp(sc, JAZZ16_SET_DMAINTR) || 226 sbdsp_wdsp(sc, (jazz16_drq_conf[sc->sc_drq16] << 4) | 227 jazz16_drq_conf[sc->sc_drq8]) || 228 sbdsp_wdsp(sc, jazz16_irq_conf[sc->sc_irq])) 229 DPRINTF(("sbdsp: can't write jazz16 probe stuff")); 230 else 231 rval |= MODEL_JAZZ16; 232 233 done: 234 bus_space_unmap(iot, ioh, 1); 235 return rval; 236 } 237 238 /* 239 * Attach hardware to driver, attach hardware driver to audio 240 * pseudo-device driver . 241 */ 242 void 243 sbdsp_attach(sc) 244 struct sbdsp_softc *sc; 245 { 246 247 /* Set defaults */ 248 if (ISSB16CLASS(sc)) 249 sc->sc_irate = sc->sc_orate = 8000; 250 else if (ISSBPROCLASS(sc)) 251 sc->sc_itc = sc->sc_otc = SB_8K; 252 else 253 sc->sc_itc = sc->sc_otc = SB_8K; 254 sc->sc_encoding = AUDIO_ENCODING_ULAW; 255 sc->sc_precision = 8; 256 sc->sc_channels = 1; 257 258 (void) sbdsp_set_in_port(sc, SB_MIC_PORT); 259 (void) sbdsp_set_out_port(sc, SB_SPEAKER); 260 261 if (ISSBPROCLASS(sc)) { 262 int i; 263 264 /* set mixer to default levels, by sending a mixer 265 reset command. */ 266 sbdsp_mix_write(sc, SBP_MIX_RESET, SBP_MIX_RESET); 267 /* then some adjustments :) */ 268 sbdsp_mix_write(sc, SBP_CD_VOL, 269 sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL)); 270 sbdsp_mix_write(sc, SBP_DAC_VOL, 271 sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL)); 272 sbdsp_mix_write(sc, SBP_MASTER_VOL, 273 sbdsp_stereo_vol(SBP_MAXVOL/2, SBP_MAXVOL/2)); 274 sbdsp_mix_write(sc, SBP_LINE_VOL, 275 sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL)); 276 for (i = 0; i < SB_NDEVS; i++) 277 sc->gain[i] = sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL); 278 sc->in_filter = 0; /* no filters turned on, please */ 279 } 280 281 printf(": dsp v%d.%02d%s\n", 282 SBVER_MAJOR(sc->sc_model), SBVER_MINOR(sc->sc_model), 283 ISJAZZ16(sc) ? ": <Jazz16>" : ""); 284 } 285 286 /* 287 * Various routines to interface to higher level audio driver 288 */ 289 290 void 291 sbdsp_mix_write(sc, mixerport, val) 292 struct sbdsp_softc *sc; 293 int mixerport; 294 int val; 295 { 296 bus_space_tag_t iot = sc->sc_iot; 297 bus_space_handle_t ioh = sc->sc_ioh; 298 299 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 300 delay(10); 301 bus_space_write_1(iot, ioh, SBP_MIXER_DATA, val); 302 delay(30); 303 } 304 305 int 306 sbdsp_mix_read(sc, mixerport) 307 struct sbdsp_softc *sc; 308 int mixerport; 309 { 310 bus_space_tag_t iot = sc->sc_iot; 311 bus_space_handle_t ioh = sc->sc_ioh; 312 313 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 314 delay(10); 315 return bus_space_read_1(iot, ioh, SBP_MIXER_DATA); 316 } 317 318 int 319 sbdsp_set_in_sr(addr, sr) 320 void *addr; 321 u_long sr; 322 { 323 register struct sbdsp_softc *sc = addr; 324 325 if (ISSB16CLASS(sc)) 326 return (sbdsp16_setrate(sc, sr, SB_INPUT_RATE, &sc->sc_irate)); 327 else 328 return (sbdsp_srtotc(sc, sr, SB_INPUT_RATE, &sc->sc_itc, &sc->sc_imode)); 329 } 330 331 u_long 332 sbdsp_get_in_sr(addr) 333 void *addr; 334 { 335 register struct sbdsp_softc *sc = addr; 336 337 if (ISSB16CLASS(sc)) 338 return (sc->sc_irate); 339 else 340 return (sbdsp_tctosr(sc, sc->sc_itc)); 341 } 342 343 int 344 sbdsp_set_out_sr(addr, sr) 345 void *addr; 346 u_long sr; 347 { 348 register struct sbdsp_softc *sc = addr; 349 350 if (ISSB16CLASS(sc)) 351 return (sbdsp16_setrate(sc, sr, SB_OUTPUT_RATE, &sc->sc_orate)); 352 else 353 return (sbdsp_srtotc(sc, sr, SB_OUTPUT_RATE, &sc->sc_otc, &sc->sc_omode)); 354 } 355 356 u_long 357 sbdsp_get_out_sr(addr) 358 void *addr; 359 { 360 register struct sbdsp_softc *sc = addr; 361 362 if (ISSB16CLASS(sc)) 363 return (sc->sc_orate); 364 else 365 return (sbdsp_tctosr(sc, sc->sc_otc)); 366 } 367 368 int 369 sbdsp_query_encoding(addr, fp) 370 void *addr; 371 struct audio_encoding *fp; 372 { 373 switch (fp->index) { 374 case 0: 375 strcpy(fp->name, AudioEmulaw); 376 fp->format_id = AUDIO_ENCODING_ULAW; 377 break; 378 case 1: 379 strcpy(fp->name, AudioEpcm16); 380 fp->format_id = AUDIO_ENCODING_PCM16; 381 break; 382 default: 383 return (EINVAL); 384 } 385 return (0); 386 } 387 388 int 389 sbdsp_set_format(addr, encoding, precision) 390 void *addr; 391 u_int encoding, precision; 392 { 393 register struct sbdsp_softc *sc = addr; 394 395 switch (encoding) { 396 case AUDIO_ENCODING_ULAW: 397 case AUDIO_ENCODING_PCM16: 398 case AUDIO_ENCODING_PCM8: 399 break; 400 default: 401 return (EINVAL); 402 } 403 404 if (precision == 16) 405 if (!ISSB16CLASS(sc) && !ISJAZZ16(sc)) 406 return (EINVAL); 407 408 sc->sc_encoding = encoding; 409 sc->sc_precision = precision; 410 411 return (0); 412 } 413 414 int 415 sbdsp_get_encoding(addr) 416 void *addr; 417 { 418 register struct sbdsp_softc *sc = addr; 419 420 return (sc->sc_encoding); 421 } 422 423 int 424 sbdsp_get_precision(addr) 425 void *addr; 426 { 427 register struct sbdsp_softc *sc = addr; 428 429 return (sc->sc_precision); 430 } 431 432 int 433 sbdsp_set_channels(addr, channels) 434 void *addr; 435 int channels; 436 { 437 register struct sbdsp_softc *sc = addr; 438 439 if (ISSBPROCLASS(sc)) { 440 if (channels != 1 && channels != 2) 441 return (EINVAL); 442 sc->sc_channels = channels; 443 sc->sc_dmadir = SB_DMA_NONE; 444 /* 445 * XXXX 446 * With 2 channels, SBPro can't do more than 22kHz. 447 * No framework to check this. 448 */ 449 } else { 450 if (channels != 1) 451 return (EINVAL); 452 sc->sc_channels = channels; 453 } 454 455 return (0); 456 } 457 458 int 459 sbdsp_get_channels(addr) 460 void *addr; 461 { 462 register struct sbdsp_softc *sc = addr; 463 464 return (sc->sc_channels); 465 } 466 467 int 468 sbdsp_set_ifilter(addr, which) 469 void *addr; 470 int which; 471 { 472 register struct sbdsp_softc *sc = addr; 473 int mixval; 474 475 /* XXXX SB16 */ 476 if (ISSBPROCLASS(sc)) { 477 mixval = sbdsp_mix_read(sc, SBP_INFILTER) & ~SBP_IFILTER_MASK; 478 switch (which) { 479 case 0: 480 mixval |= SBP_FILTER_OFF; 481 break; 482 case SBP_TREBLE_EQ: 483 mixval |= SBP_FILTER_ON | SBP_IFILTER_HIGH; 484 break; 485 case SBP_BASS_EQ: 486 mixval |= SBP_FILTER_ON | SBP_IFILTER_LOW; 487 break; 488 default: 489 return (EINVAL); 490 } 491 sc->in_filter = mixval & SBP_IFILTER_MASK; 492 sbdsp_mix_write(sc, SBP_INFILTER, mixval); 493 return (0); 494 } else 495 return (EINVAL); 496 } 497 498 int 499 sbdsp_get_ifilter(addr) 500 void *addr; 501 { 502 register struct sbdsp_softc *sc = addr; 503 504 /* XXXX SB16 */ 505 if (ISSBPROCLASS(sc)) { 506 sc->in_filter = 507 sbdsp_mix_read(sc, SBP_INFILTER) & SBP_IFILTER_MASK; 508 switch (sc->in_filter) { 509 case SBP_FILTER_ON|SBP_IFILTER_HIGH: 510 return (SBP_TREBLE_EQ); 511 case SBP_FILTER_ON|SBP_IFILTER_LOW: 512 return (SBP_BASS_EQ); 513 case SBP_FILTER_OFF: 514 default: 515 return (0); 516 } 517 } else 518 return (0); 519 } 520 521 int 522 sbdsp_set_out_port(addr, port) 523 void *addr; 524 int port; 525 { 526 register struct sbdsp_softc *sc = addr; 527 528 sc->out_port = port; /* Just record it */ 529 530 return (0); 531 } 532 533 int 534 sbdsp_get_out_port(addr) 535 void *addr; 536 { 537 register struct sbdsp_softc *sc = addr; 538 539 return (sc->out_port); 540 } 541 542 543 int 544 sbdsp_set_in_port(addr, port) 545 void *addr; 546 int port; 547 { 548 register struct sbdsp_softc *sc = addr; 549 int mixport, sbport; 550 551 if (ISSBPROCLASS(sc)) { 552 switch (port) { 553 case SB_MIC_PORT: 554 sbport = SBP_FROM_MIC; 555 mixport = SBP_MIC_VOL; 556 break; 557 case SB_LINE_IN_PORT: 558 sbport = SBP_FROM_LINE; 559 mixport = SBP_LINE_VOL; 560 break; 561 case SB_CD_PORT: 562 sbport = SBP_FROM_CD; 563 mixport = SBP_CD_VOL; 564 break; 565 case SB_DAC_PORT: 566 case SB_FM_PORT: 567 default: 568 return (EINVAL); 569 } 570 } else { 571 switch (port) { 572 case SB_MIC_PORT: 573 sbport = SBP_FROM_MIC; 574 mixport = SBP_MIC_VOL; 575 break; 576 default: 577 return (EINVAL); 578 } 579 } 580 581 sc->in_port = port; /* Just record it */ 582 583 /* XXXX SB16 */ 584 if (ISSBPROCLASS(sc)) { 585 /* record from that port */ 586 sbdsp_mix_write(sc, SBP_RECORD_SOURCE, 587 SBP_RECORD_FROM(sbport, SBP_FILTER_OFF, SBP_IFILTER_HIGH)); 588 /* fetch gain from that port */ 589 sc->gain[port] = sbdsp_mix_read(sc, mixport); 590 } 591 592 return (0); 593 } 594 595 int 596 sbdsp_get_in_port(addr) 597 void *addr; 598 { 599 register struct sbdsp_softc *sc = addr; 600 601 return (sc->in_port); 602 } 603 604 605 int 606 sbdsp_speaker_ctl(addr, newstate) 607 void *addr; 608 int newstate; 609 { 610 register struct sbdsp_softc *sc = addr; 611 612 if ((newstate == SPKR_ON) && 613 (sc->spkr_state == SPKR_OFF)) { 614 sbdsp_spkron(sc); 615 sc->spkr_state = SPKR_ON; 616 } 617 if ((newstate == SPKR_OFF) && 618 (sc->spkr_state == SPKR_ON)) { 619 sbdsp_spkroff(sc); 620 sc->spkr_state = SPKR_OFF; 621 } 622 return(0); 623 } 624 625 int 626 sbdsp_round_blocksize(addr, blk) 627 void *addr; 628 int blk; 629 { 630 register struct sbdsp_softc *sc = addr; 631 632 sc->sc_last_hs_size = 0; 633 634 /* don't try to DMA too much at once, though. */ 635 if (blk > NBPG) 636 blk = NBPG; 637 if (sc->sc_channels == 2) 638 return (blk & ~1); /* must be even to preserve stereo separation */ 639 else 640 return (blk); /* Anything goes :-) */ 641 } 642 643 int 644 sbdsp_commit_settings(addr) 645 void *addr; 646 { 647 register struct sbdsp_softc *sc = addr; 648 649 /* due to potentially unfortunate ordering in the above layers, 650 re-do a few sets which may be important--input gains 651 (adjust the proper channels), number of input channels (hit the 652 record rate and set mode) */ 653 654 if (ISSBPRO(sc)) { 655 /* 656 * With 2 channels, SBPro can't do more than 22kHz. 657 * Whack the rates down to speed if necessary. 658 * Reset the time constant anyway 659 * because it may have been adjusted with a different number 660 * of channels, which means it might have computed the wrong 661 * mode (low/high speed). 662 */ 663 if (sc->sc_channels == 2 && 664 sbdsp_tctosr(sc, sc->sc_itc) > 22727) { 665 sbdsp_srtotc(sc, 22727, SB_INPUT_RATE, 666 &sc->sc_itc, &sc->sc_imode); 667 } else 668 sbdsp_srtotc(sc, sbdsp_tctosr(sc, sc->sc_itc), 669 SB_INPUT_RATE, &sc->sc_itc, 670 &sc->sc_imode); 671 672 if (sc->sc_channels == 2 && 673 sbdsp_tctosr(sc, sc->sc_otc) > 22727) { 674 sbdsp_srtotc(sc, 22727, SB_OUTPUT_RATE, 675 &sc->sc_otc, &sc->sc_omode); 676 } else 677 sbdsp_srtotc(sc, sbdsp_tctosr(sc, sc->sc_otc), 678 SB_OUTPUT_RATE, &sc->sc_otc, 679 &sc->sc_omode); 680 } 681 682 /* 683 * XXX 684 * Should wait for chip to be idle. 685 */ 686 sc->sc_dmadir = SB_DMA_NONE; 687 688 return 0; 689 } 690 691 692 int 693 sbdsp_open(sc, dev, flags) 694 register struct sbdsp_softc *sc; 695 dev_t dev; 696 int flags; 697 { 698 DPRINTF(("sbdsp_open: sc=0x%x\n", sc)); 699 700 if (sc->sc_open != 0 || sbdsp_reset(sc) != 0) 701 return ENXIO; 702 703 sc->sc_open = 1; 704 sc->sc_mintr = 0; 705 if (ISSBPROCLASS(sc) && 706 sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) { 707 DPRINTF(("sbdsp_open: can't set mono mode\n")); 708 /* we'll readjust when it's time for DMA. */ 709 } 710 711 /* 712 * Leave most things as they were; users must change things if 713 * the previous process didn't leave it they way they wanted. 714 * Looked at another way, it's easy to set up a configuration 715 * in one program and leave it for another to inherit. 716 */ 717 DPRINTF(("sbdsp_open: opened\n")); 718 719 return 0; 720 } 721 722 void 723 sbdsp_close(addr) 724 void *addr; 725 { 726 struct sbdsp_softc *sc = addr; 727 728 DPRINTF(("sbdsp_close: sc=0x%x\n", sc)); 729 730 sc->sc_open = 0; 731 sbdsp_spkroff(sc); 732 sc->spkr_state = SPKR_OFF; 733 sc->sc_mintr = 0; 734 sbdsp_haltdma(sc); 735 736 DPRINTF(("sbdsp_close: closed\n")); 737 } 738 739 /* 740 * Lower-level routines 741 */ 742 743 /* 744 * Reset the card. 745 * Return non-zero if the card isn't detected. 746 */ 747 int 748 sbdsp_reset(sc) 749 register struct sbdsp_softc *sc; 750 { 751 bus_space_tag_t iot = sc->sc_iot; 752 bus_space_handle_t ioh = sc->sc_ioh; 753 754 sc->sc_intr = 0; 755 if (sc->sc_dmadir != SB_DMA_NONE) { 756 isa_dmaabort(sc->sc_drq); 757 sc->sc_dmadir = SB_DMA_NONE; 758 } 759 sc->sc_last_hs_size = 0; 760 761 /* 762 * See SBK, section 11.3. 763 * We pulse a reset signal into the card. 764 * Gee, what a brilliant hardware design. 765 */ 766 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 1); 767 delay(10); 768 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 0); 769 delay(30); 770 if (sbdsp_rdsp(sc) != SB_MAGIC) 771 return -1; 772 773 return 0; 774 } 775 776 int 777 sbdsp16_wait(sc) 778 struct sbdsp_softc *sc; 779 { 780 bus_space_tag_t iot = sc->sc_iot; 781 bus_space_handle_t ioh = sc->sc_ioh; 782 register int i; 783 784 for (i = SBDSP_NPOLL; --i >= 0; ) { 785 register u_char x; 786 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 787 delay(10); 788 if ((x & SB_DSP_BUSY) == 0) 789 continue; 790 return 0; 791 } 792 ++sberr.wdsp; 793 return -1; 794 } 795 796 /* 797 * Write a byte to the dsp. 798 * XXX We are at the mercy of the card as we use a 799 * polling loop and wait until it can take the byte. 800 */ 801 int 802 sbdsp_wdsp(sc, v) 803 struct sbdsp_softc *sc; 804 int v; 805 { 806 bus_space_tag_t iot = sc->sc_iot; 807 bus_space_handle_t ioh = sc->sc_ioh; 808 register int i; 809 810 for (i = SBDSP_NPOLL; --i >= 0; ) { 811 register u_char x; 812 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 813 delay(10); 814 if ((x & SB_DSP_BUSY) != 0) 815 continue; 816 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, v); 817 delay(10); 818 return 0; 819 } 820 ++sberr.wdsp; 821 return -1; 822 } 823 824 /* 825 * Read a byte from the DSP, using polling. 826 */ 827 int 828 sbdsp_rdsp(sc) 829 struct sbdsp_softc *sc; 830 { 831 bus_space_tag_t iot = sc->sc_iot; 832 bus_space_handle_t ioh = sc->sc_ioh; 833 register int i; 834 835 for (i = SBDSP_NPOLL; --i >= 0; ) { 836 register u_char x; 837 x = bus_space_read_1(iot, ioh, SBP_DSP_RSTAT); 838 delay(10); 839 if ((x & SB_DSP_READY) == 0) 840 continue; 841 x = bus_space_read_1(iot, ioh, SBP_DSP_READ); 842 delay(10); 843 return x; 844 } 845 ++sberr.rdsp; 846 return -1; 847 } 848 849 /* 850 * Doing certain things (like toggling the speaker) make 851 * the SB hardware go away for a while, so pause a little. 852 */ 853 void 854 sbdsp_to(arg) 855 void *arg; 856 { 857 wakeup(arg); 858 } 859 860 void 861 sbdsp_pause(sc) 862 struct sbdsp_softc *sc; 863 { 864 extern int hz; 865 866 timeout(sbdsp_to, sbdsp_to, hz/8); 867 (void)tsleep(sbdsp_to, PWAIT, "sbpause", 0); 868 } 869 870 /* 871 * Turn on the speaker. The SBK documention says this operation 872 * can take up to 1/10 of a second. Higher level layers should 873 * probably let the task sleep for this amount of time after 874 * calling here. Otherwise, things might not work (because 875 * sbdsp_wdsp() and sbdsp_rdsp() will probably timeout.) 876 * 877 * These engineers had their heads up their ass when 878 * they designed this card. 879 */ 880 void 881 sbdsp_spkron(sc) 882 struct sbdsp_softc *sc; 883 { 884 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_ON); 885 sbdsp_pause(sc); 886 } 887 888 /* 889 * Turn off the speaker; see comment above. 890 */ 891 void 892 sbdsp_spkroff(sc) 893 struct sbdsp_softc *sc; 894 { 895 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_OFF); 896 sbdsp_pause(sc); 897 } 898 899 /* 900 * Read the version number out of the card. Return major code 901 * in high byte, and minor code in low byte. 902 */ 903 short 904 sbversion(sc) 905 struct sbdsp_softc *sc; 906 { 907 short v; 908 909 if (sbdsp_wdsp(sc, SB_DSP_VERSION) < 0) 910 return 0; 911 v = sbdsp_rdsp(sc) << 8; 912 v |= sbdsp_rdsp(sc); 913 return ((v >= 0) ? v : 0); 914 } 915 916 /* 917 * Halt a DMA in progress. A low-speed transfer can be 918 * resumed with sbdsp_contdma(). 919 */ 920 int 921 sbdsp_haltdma(addr) 922 void *addr; 923 { 924 register struct sbdsp_softc *sc = addr; 925 926 DPRINTF(("sbdsp_haltdma: sc=0x%x\n", sc)); 927 928 sbdsp_reset(sc); 929 return 0; 930 } 931 932 int 933 sbdsp_contdma(addr) 934 void *addr; 935 { 936 register struct sbdsp_softc *sc = addr; 937 938 DPRINTF(("sbdsp_contdma: sc=0x%x\n", sc)); 939 940 /* XXX how do we reinitialize the DMA controller state? do we care? */ 941 (void)sbdsp_wdsp(sc, SB_DSP_CONT); 942 return(0); 943 } 944 945 int 946 sbdsp16_setrate(sc, sr, isdac, ratep) 947 register struct sbdsp_softc *sc; 948 int sr; 949 int isdac; 950 int *ratep; 951 { 952 953 /* 954 * XXXX 955 * More checks here? 956 */ 957 if (sr < 5000 || sr > 45454) 958 return (EINVAL); 959 *ratep = sr; 960 return (0); 961 } 962 963 /* 964 * Convert a linear sampling rate into the DAC time constant. 965 * Set *mode to indicate the high/low-speed DMA operation. 966 * Because of limitations of the card, not all rates are possible. 967 * We return the time constant of the closest possible rate. 968 * The sampling rate limits are different for the DAC and ADC, 969 * so isdac indicates output, and !isdac indicates input. 970 */ 971 int 972 sbdsp_srtotc(sc, sr, isdac, tcp, modep) 973 register struct sbdsp_softc *sc; 974 int sr; 975 int isdac; 976 int *tcp, *modep; 977 { 978 int tc, realtc, mode; 979 980 /* 981 * Don't forget to compute which mode we'll be in based on whether 982 * we need to double the rate for stereo on SBPRO. 983 */ 984 985 if (sr == 0) { 986 tc = SB_LS_MIN; 987 mode = SB_ADAC_LS; 988 goto out; 989 } 990 991 tc = 256 - (1000000 / sr); 992 993 if (sc->sc_channels == 2 && ISSBPRO(sc)) 994 /* compute based on 2x sample rate when needed */ 995 realtc = 256 - ( 500000 / sr); 996 else 997 realtc = tc; 998 999 if (tc < SB_LS_MIN) { 1000 tc = SB_LS_MIN; 1001 mode = SB_ADAC_LS; /* NB: 2x minimum speed is still low 1002 * speed mode. */ 1003 goto out; 1004 } else if (isdac) { 1005 if (realtc <= SB_DAC_LS_MAX) 1006 mode = SB_ADAC_LS; 1007 else { 1008 mode = SB_ADAC_HS; 1009 if (tc > SB_DAC_HS_MAX) 1010 tc = SB_DAC_HS_MAX; 1011 } 1012 } else { 1013 int adc_ls_max, adc_hs_max; 1014 1015 /* XXX use better rounding--compare distance to nearest tc on both 1016 sides of requested speed */ 1017 if (ISSBPROCLASS(sc)) { 1018 adc_ls_max = SBPRO_ADC_LS_MAX; 1019 adc_hs_max = SBPRO_ADC_HS_MAX; 1020 } else { 1021 adc_ls_max = SBCLA_ADC_LS_MAX; 1022 adc_hs_max = SBCLA_ADC_HS_MAX; 1023 } 1024 1025 if (realtc <= adc_ls_max) 1026 mode = SB_ADAC_LS; 1027 else { 1028 mode = SB_ADAC_HS; 1029 if (tc > adc_hs_max) 1030 tc = adc_hs_max; 1031 } 1032 } 1033 1034 out: 1035 *tcp = tc; 1036 *modep = mode; 1037 return (0); 1038 } 1039 1040 /* 1041 * Convert a DAC time constant to a sampling rate. 1042 * See SBK, section 12. 1043 */ 1044 int 1045 sbdsp_tctosr(sc, tc) 1046 register struct sbdsp_softc *sc; 1047 int tc; 1048 { 1049 int adc; 1050 1051 if (ISSBPROCLASS(sc)) 1052 adc = SBPRO_ADC_HS_MAX; 1053 else 1054 adc = SBCLA_ADC_HS_MAX; 1055 1056 if (tc > adc) 1057 tc = adc; 1058 1059 return (1000000 / (256 - tc)); 1060 } 1061 1062 int 1063 sbdsp_set_timeconst(sc, tc) 1064 register struct sbdsp_softc *sc; 1065 int tc; 1066 { 1067 /* 1068 * A SBPro in stereo mode uses time constants at double the 1069 * actual rate. 1070 */ 1071 if (ISSBPRO(sc) && sc->sc_channels == 2) 1072 tc = 256 - ((256 - tc) / 2); 1073 1074 DPRINTF(("sbdsp_set_timeconst: sc=%p tc=%d\n", sc, tc)); 1075 1076 if (sbdsp_wdsp(sc, SB_DSP_TIMECONST) < 0 || 1077 sbdsp_wdsp(sc, tc) < 0) 1078 return (EIO); 1079 1080 return (0); 1081 } 1082 1083 int 1084 sbdsp_dma_input(addr, p, cc, intr, arg) 1085 void *addr; 1086 void *p; 1087 int cc; 1088 void (*intr) __P((void *)); 1089 void *arg; 1090 { 1091 register struct sbdsp_softc *sc = addr; 1092 1093 #ifdef AUDIO_DEBUG 1094 if (sbdspdebug > 1) 1095 Dprintf("sbdsp_dma_input: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1096 #endif 1097 if (sc->sc_channels == 2 && (cc & 1)) { 1098 DPRINTF(("sbdsp_dma_input: stereo input, odd bytecnt\n")); 1099 return EIO; 1100 } 1101 1102 if (sc->sc_dmadir != SB_DMA_IN) { 1103 if (ISSBPRO(sc)) { 1104 if (sc->sc_channels == 2) { 1105 if (ISJAZZ16(sc) && sc->sc_precision == 16) { 1106 if (sbdsp_wdsp(sc, 1107 JAZZ16_RECORD_STEREO) < 0) { 1108 goto badmode; 1109 } 1110 } else if (sbdsp_wdsp(sc, 1111 SB_DSP_RECORD_STEREO) < 0) 1112 goto badmode; 1113 sbdsp_mix_write(sc, SBP_INFILTER, 1114 (sbdsp_mix_read(sc, SBP_INFILTER) & 1115 ~SBP_IFILTER_MASK) | SBP_FILTER_OFF); 1116 } else { 1117 if (ISJAZZ16(sc) && sc->sc_precision == 16) { 1118 if (sbdsp_wdsp(sc, 1119 JAZZ16_RECORD_MONO) < 0) 1120 { 1121 goto badmode; 1122 } 1123 } else if (sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) 1124 goto badmode; 1125 sbdsp_mix_write(sc, SBP_INFILTER, 1126 (sbdsp_mix_read(sc, SBP_INFILTER) & 1127 ~SBP_IFILTER_MASK) | sc->in_filter); 1128 } 1129 } 1130 1131 if (ISSB16CLASS(sc)) { 1132 if (sbdsp_wdsp(sc, SB_DSP16_INPUTRATE) < 0 || 1133 sbdsp_wdsp(sc, sc->sc_irate >> 8) < 0 || 1134 sbdsp_wdsp(sc, sc->sc_irate) < 0) 1135 goto giveup; 1136 } else 1137 sbdsp_set_timeconst(sc, sc->sc_itc); 1138 sc->sc_dmadir = SB_DMA_IN; 1139 } 1140 1141 sc->sc_drq = sc->sc_precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 1142 isa_dmastart(DMAMODE_READ, p, cc, sc->sc_drq); 1143 sc->sc_intr = intr; 1144 sc->sc_arg = arg; 1145 sc->dmaflags = DMAMODE_READ; 1146 sc->dmaaddr = p; 1147 sc->dmacnt = cc; /* DMA controller is strange...? */ 1148 1149 if (sc->sc_precision == 16) 1150 cc >>= 1; 1151 --cc; 1152 if (ISSB16CLASS(sc)) { 1153 if (sbdsp_wdsp(sc, sc->sc_precision == 16 ? SB_DSP16_RDMA_16 : 1154 SB_DSP16_RDMA_8) < 0 || 1155 sbdsp_wdsp(sc, (sc->sc_precision == 16 ? 0x10 : 0x00) | 1156 (sc->sc_channels == 2 ? 0x20 : 0x00)) < 0 || 1157 sbdsp16_wait(sc) || 1158 sbdsp_wdsp(sc, cc) < 0 || 1159 sbdsp_wdsp(sc, cc >> 8) < 0) { 1160 DPRINTF(("sbdsp_dma_input: SB16 DMA start failed\n")); 1161 goto giveup; 1162 } 1163 } else if (sc->sc_imode == SB_ADAC_LS) { 1164 if (sbdsp_wdsp(sc, SB_DSP_RDMA) < 0 || 1165 sbdsp_wdsp(sc, cc) < 0 || 1166 sbdsp_wdsp(sc, cc >> 8) < 0) { 1167 DPRINTF(("sbdsp_dma_input: LS DMA start failed\n")); 1168 goto giveup; 1169 } 1170 } else { 1171 if (cc != sc->sc_last_hs_size) { 1172 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1173 sbdsp_wdsp(sc, cc) < 0 || 1174 sbdsp_wdsp(sc, cc >> 8) < 0) { 1175 DPRINTF(("sbdsp_dma_input: HS DMA start failed\n")); 1176 goto giveup; 1177 } 1178 sc->sc_last_hs_size = cc; 1179 } 1180 if (sbdsp_wdsp(sc, SB_DSP_HS_INPUT) < 0) { 1181 DPRINTF(("sbdsp_dma_input: HS DMA restart failed\n")); 1182 goto giveup; 1183 } 1184 } 1185 return 0; 1186 1187 giveup: 1188 sbdsp_reset(sc); 1189 return EIO; 1190 1191 badmode: 1192 DPRINTF(("sbdsp_dma_input: can't set %s mode\n", 1193 sc->sc_channels == 2 ? "stereo" : "mono")); 1194 return EIO; 1195 } 1196 1197 int 1198 sbdsp_dma_output(addr, p, cc, intr, arg) 1199 void *addr; 1200 void *p; 1201 int cc; 1202 void (*intr) __P((void *)); 1203 void *arg; 1204 { 1205 register struct sbdsp_softc *sc = addr; 1206 1207 #ifdef AUDIO_DEBUG 1208 if (sbdspdebug > 1) 1209 Dprintf("sbdsp_dma_output: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1210 #endif 1211 if (sc->sc_channels == 2 && (cc & 1)) { 1212 DPRINTF(("stereo playback odd bytes (%d)\n", cc)); 1213 return EIO; 1214 } 1215 1216 if (sc->sc_dmadir != SB_DMA_OUT) { 1217 if (ISSBPRO(sc)) { 1218 /* make sure we re-set stereo mixer bit when we start 1219 output. */ 1220 sbdsp_mix_write(sc, SBP_STEREO, 1221 (sbdsp_mix_read(sc, SBP_STEREO) & ~SBP_PLAYMODE_MASK) | 1222 (sc->sc_channels == 2 ? SBP_PLAYMODE_STEREO : SBP_PLAYMODE_MONO)); 1223 if (ISJAZZ16(sc)) { 1224 /* Yes, we write the record mode to set 1225 16-bit playback mode. weird, huh? */ 1226 if (sc->sc_precision == 16) { 1227 sbdsp_wdsp(sc, 1228 sc->sc_channels == 2 ? 1229 JAZZ16_RECORD_STEREO : 1230 JAZZ16_RECORD_MONO); 1231 } else { 1232 sbdsp_wdsp(sc, 1233 sc->sc_channels == 2 ? 1234 SB_DSP_RECORD_STEREO : 1235 SB_DSP_RECORD_MONO); 1236 } 1237 } 1238 } 1239 1240 if (ISSB16CLASS(sc)) { 1241 if (sbdsp_wdsp(sc, SB_DSP16_OUTPUTRATE) < 0 || 1242 sbdsp_wdsp(sc, sc->sc_orate >> 8) < 0 || 1243 sbdsp_wdsp(sc, sc->sc_orate) < 0) 1244 goto giveup; 1245 } else 1246 sbdsp_set_timeconst(sc, sc->sc_otc); 1247 sc->sc_dmadir = SB_DMA_OUT; 1248 } 1249 1250 sc->sc_drq = sc->sc_precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 1251 isa_dmastart(DMAMODE_WRITE, p, cc, sc->sc_drq); 1252 sc->sc_intr = intr; 1253 sc->sc_arg = arg; 1254 sc->dmaflags = DMAMODE_WRITE; 1255 sc->dmaaddr = p; 1256 sc->dmacnt = cc; /* a vagary of how DMA works, apparently. */ 1257 1258 if (sc->sc_precision == 16) 1259 cc >>= 1; 1260 --cc; 1261 if (ISSB16CLASS(sc)) { 1262 if (sbdsp_wdsp(sc, sc->sc_precision == 16 ? SB_DSP16_WDMA_16 : 1263 SB_DSP16_WDMA_8) < 0 || 1264 sbdsp_wdsp(sc, (sc->sc_precision == 16 ? 0x10 : 0x00) | 1265 (sc->sc_channels == 2 ? 0x20 : 0x00)) < 0 || 1266 sbdsp16_wait(sc) || 1267 sbdsp_wdsp(sc, cc) < 0 || 1268 sbdsp_wdsp(sc, cc >> 8) < 0) { 1269 DPRINTF(("sbdsp_dma_output: SB16 DMA start failed\n")); 1270 goto giveup; 1271 } 1272 } else if (sc->sc_omode == SB_ADAC_LS) { 1273 if (sbdsp_wdsp(sc, SB_DSP_WDMA) < 0 || 1274 sbdsp_wdsp(sc, cc) < 0 || 1275 sbdsp_wdsp(sc, cc >> 8) < 0) { 1276 DPRINTF(("sbdsp_dma_output: LS DMA start failed\n")); 1277 goto giveup; 1278 } 1279 } else { 1280 if (cc != sc->sc_last_hs_size) { 1281 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1282 sbdsp_wdsp(sc, cc) < 0 || 1283 sbdsp_wdsp(sc, cc >> 8) < 0) { 1284 DPRINTF(("sbdsp_dma_output: HS DMA start failed\n")); 1285 goto giveup; 1286 } 1287 sc->sc_last_hs_size = cc; 1288 } 1289 if (sbdsp_wdsp(sc, SB_DSP_HS_OUTPUT) < 0) { 1290 DPRINTF(("sbdsp_dma_output: HS DMA restart failed\n")); 1291 goto giveup; 1292 } 1293 } 1294 return 0; 1295 1296 giveup: 1297 sbdsp_reset(sc); 1298 return EIO; 1299 } 1300 1301 /* 1302 * Only the DSP unit on the sound blaster generates interrupts. 1303 * There are three cases of interrupt: reception of a midi byte 1304 * (when mode is enabled), completion of dma transmission, or 1305 * completion of a dma reception. The three modes are mutually 1306 * exclusive so we know a priori which event has occurred. 1307 */ 1308 int 1309 sbdsp_intr(arg) 1310 void *arg; 1311 { 1312 register struct sbdsp_softc *sc = arg; 1313 u_char x; 1314 1315 #ifdef AUDIO_DEBUG 1316 if (sbdspdebug > 1) 1317 Dprintf("sbdsp_intr: intr=0x%x\n", sc->sc_intr); 1318 #endif 1319 if (!isa_dmafinished(sc->sc_drq)) { 1320 #ifdef AUDIO_DEBUG 1321 printf("sbdsp_intr: not finished\n"); 1322 #endif 1323 return 0; 1324 } 1325 sc->sc_interrupts++; 1326 delay(10); 1327 #if 0 1328 if (sc->sc_mintr != 0) { 1329 x = sbdsp_rdsp(sc); 1330 (*sc->sc_mintr)(sc->sc_arg, x); 1331 } else 1332 #endif 1333 if (sc->sc_intr != 0) { 1334 /* clear interrupt */ 1335 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, 1336 sc->sc_precision == 16 ? SBP_DSP_IRQACK16 : 1337 SBP_DSP_IRQACK8); 1338 isa_dmadone(sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->sc_drq); 1339 (*sc->sc_intr)(sc->sc_arg); 1340 } else { 1341 return 0; 1342 } 1343 return 1; 1344 } 1345 1346 #if 0 1347 /* 1348 * Enter midi uart mode and arrange for read interrupts 1349 * to vector to `intr'. This puts the card in a mode 1350 * which allows only midi I/O; the card must be reset 1351 * to leave this mode. Unfortunately, the card does not 1352 * use transmit interrupts, so bytes must be output 1353 * using polling. To keep the polling overhead to a 1354 * minimum, output should be driven off a timer. 1355 * This is a little tricky since only 320us separate 1356 * consecutive midi bytes. 1357 */ 1358 void 1359 sbdsp_set_midi_mode(sc, intr, arg) 1360 struct sbdsp_softc *sc; 1361 void (*intr)(); 1362 void *arg; 1363 { 1364 1365 sbdsp_wdsp(sc, SB_MIDI_UART_INTR); 1366 sc->sc_mintr = intr; 1367 sc->sc_intr = 0; 1368 sc->sc_arg = arg; 1369 } 1370 1371 /* 1372 * Write a byte to the midi port, when in midi uart mode. 1373 */ 1374 void 1375 sbdsp_midi_output(sc, v) 1376 struct sbdsp_softc *sc; 1377 int v; 1378 { 1379 1380 if (sbdsp_wdsp(sc, v) < 0) 1381 ++sberr.wmidi; 1382 } 1383 #endif 1384 1385 int 1386 sbdsp_setfd(addr, flag) 1387 void *addr; 1388 int flag; 1389 { 1390 /* Can't do full-duplex */ 1391 return(ENOTTY); 1392 } 1393 1394 int 1395 sbdsp_mixer_set_port(addr, cp) 1396 void *addr; 1397 mixer_ctrl_t *cp; 1398 { 1399 register struct sbdsp_softc *sc = addr; 1400 int src, gain; 1401 1402 DPRINTF(("sbdsp_mixer_set_port: port=%d num_channels=%d\n", cp->dev, 1403 cp->un.value.num_channels)); 1404 1405 if (!ISSBPROCLASS(sc)) 1406 return EINVAL; 1407 1408 /* 1409 * Everything is a value except for SBPro BASS/TREBLE and 1410 * RECORD_SOURCE 1411 */ 1412 switch (cp->dev) { 1413 case SB_SPEAKER: 1414 cp->dev = SB_MASTER_VOL; 1415 case SB_MIC_PORT: 1416 case SB_LINE_IN_PORT: 1417 case SB_DAC_PORT: 1418 case SB_FM_PORT: 1419 case SB_CD_PORT: 1420 case SB_MASTER_VOL: 1421 if (cp->type != AUDIO_MIXER_VALUE) 1422 return EINVAL; 1423 1424 /* 1425 * All the mixer ports are stereo except for the microphone. 1426 * If we get a single-channel gain value passed in, then we 1427 * duplicate it to both left and right channels. 1428 */ 1429 1430 switch (cp->dev) { 1431 case SB_MIC_PORT: 1432 if (cp->un.value.num_channels != 1) 1433 return EINVAL; 1434 1435 /* handle funny microphone gain */ 1436 gain = SBP_AGAIN_TO_MICGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1437 break; 1438 case SB_LINE_IN_PORT: 1439 case SB_DAC_PORT: 1440 case SB_FM_PORT: 1441 case SB_CD_PORT: 1442 case SB_MASTER_VOL: 1443 switch (cp->un.value.num_channels) { 1444 case 1: 1445 gain = sbdsp_mono_vol(SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO])); 1446 break; 1447 case 2: 1448 gain = sbdsp_stereo_vol(SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]), 1449 SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT])); 1450 break; 1451 default: 1452 return EINVAL; 1453 } 1454 break; 1455 default: 1456 return EINVAL; 1457 } 1458 1459 switch (cp->dev) { 1460 case SB_MIC_PORT: 1461 src = SBP_MIC_VOL; 1462 break; 1463 case SB_MASTER_VOL: 1464 src = SBP_MASTER_VOL; 1465 break; 1466 case SB_LINE_IN_PORT: 1467 src = SBP_LINE_VOL; 1468 break; 1469 case SB_DAC_PORT: 1470 src = SBP_DAC_VOL; 1471 break; 1472 case SB_FM_PORT: 1473 src = SBP_FM_VOL; 1474 break; 1475 case SB_CD_PORT: 1476 src = SBP_CD_VOL; 1477 break; 1478 default: 1479 return EINVAL; 1480 } 1481 1482 sbdsp_mix_write(sc, src, gain); 1483 sc->gain[cp->dev] = gain; 1484 break; 1485 1486 case SB_TREBLE: 1487 case SB_BASS: 1488 case SB_RECORD_SOURCE: 1489 if (cp->type != AUDIO_MIXER_ENUM) 1490 return EINVAL; 1491 1492 switch (cp->dev) { 1493 case SB_TREBLE: 1494 return sbdsp_set_ifilter(addr, cp->un.ord ? SBP_TREBLE_EQ : 0); 1495 case SB_BASS: 1496 return sbdsp_set_ifilter(addr, cp->un.ord ? SBP_BASS_EQ : 0); 1497 case SB_RECORD_SOURCE: 1498 return sbdsp_set_in_port(addr, cp->un.ord); 1499 } 1500 1501 break; 1502 1503 default: 1504 return EINVAL; 1505 } 1506 1507 return (0); 1508 } 1509 1510 int 1511 sbdsp_mixer_get_port(addr, cp) 1512 void *addr; 1513 mixer_ctrl_t *cp; 1514 { 1515 register struct sbdsp_softc *sc = addr; 1516 int gain; 1517 1518 DPRINTF(("sbdsp_mixer_get_port: port=%d", cp->dev)); 1519 1520 if (!ISSBPROCLASS(sc)) 1521 return EINVAL; 1522 1523 switch (cp->dev) { 1524 case SB_SPEAKER: 1525 cp->dev = SB_MASTER_VOL; 1526 case SB_MIC_PORT: 1527 case SB_LINE_IN_PORT: 1528 case SB_DAC_PORT: 1529 case SB_FM_PORT: 1530 case SB_CD_PORT: 1531 case SB_MASTER_VOL: 1532 gain = sc->gain[cp->dev]; 1533 1534 switch (cp->dev) { 1535 case SB_MIC_PORT: 1536 if (cp->un.value.num_channels != 1) 1537 return EINVAL; 1538 1539 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = SBP_MICGAIN_TO_AGAIN(gain); 1540 break; 1541 case SB_LINE_IN_PORT: 1542 case SB_DAC_PORT: 1543 case SB_FM_PORT: 1544 case SB_CD_PORT: 1545 case SB_MASTER_VOL: 1546 switch (cp->un.value.num_channels) { 1547 case 1: 1548 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = SBP_SBGAIN_TO_AGAIN(gain); 1549 break; 1550 case 2: 1551 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = SBP_LEFTGAIN(gain); 1552 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = SBP_RIGHTGAIN(gain); 1553 break; 1554 default: 1555 return EINVAL; 1556 } 1557 break; 1558 } 1559 1560 break; 1561 1562 case SB_TREBLE: 1563 case SB_BASS: 1564 case SB_RECORD_SOURCE: 1565 switch (cp->dev) { 1566 case SB_TREBLE: 1567 cp->un.ord = sbdsp_get_ifilter(addr) == SBP_TREBLE_EQ; 1568 return 0; 1569 case SB_BASS: 1570 cp->un.ord = sbdsp_get_ifilter(addr) == SBP_BASS_EQ; 1571 return 0; 1572 case SB_RECORD_SOURCE: 1573 cp->un.ord = sbdsp_get_in_port(addr); 1574 return 0; 1575 } 1576 1577 break; 1578 1579 default: 1580 return EINVAL; 1581 } 1582 1583 return (0); 1584 } 1585 1586 int 1587 sbdsp_mixer_query_devinfo(addr, dip) 1588 void *addr; 1589 register mixer_devinfo_t *dip; 1590 { 1591 register struct sbdsp_softc *sc = addr; 1592 1593 DPRINTF(("sbdsp_mixer_query_devinfo: index=%d\n", dip->index)); 1594 1595 switch (dip->index) { 1596 case SB_MIC_PORT: 1597 dip->type = AUDIO_MIXER_VALUE; 1598 dip->mixer_class = SB_INPUT_CLASS; 1599 dip->prev = AUDIO_MIXER_LAST; 1600 dip->next = AUDIO_MIXER_LAST; 1601 strcpy(dip->label.name, AudioNmicrophone); 1602 dip->un.v.num_channels = 1; 1603 strcpy(dip->un.v.units.name, AudioNvolume); 1604 return 0; 1605 1606 case SB_SPEAKER: 1607 dip->type = AUDIO_MIXER_VALUE; 1608 dip->mixer_class = SB_OUTPUT_CLASS; 1609 dip->prev = AUDIO_MIXER_LAST; 1610 dip->next = AUDIO_MIXER_LAST; 1611 strcpy(dip->label.name, AudioNspeaker); 1612 dip->un.v.num_channels = 1; 1613 strcpy(dip->un.v.units.name, AudioNvolume); 1614 return 0; 1615 1616 case SB_INPUT_CLASS: 1617 dip->type = AUDIO_MIXER_CLASS; 1618 dip->mixer_class = SB_INPUT_CLASS; 1619 dip->next = dip->prev = AUDIO_MIXER_LAST; 1620 strcpy(dip->label.name, AudioCInputs); 1621 return 0; 1622 1623 case SB_OUTPUT_CLASS: 1624 dip->type = AUDIO_MIXER_CLASS; 1625 dip->mixer_class = SB_OUTPUT_CLASS; 1626 dip->next = dip->prev = AUDIO_MIXER_LAST; 1627 strcpy(dip->label.name, AudioCOutputs); 1628 return 0; 1629 } 1630 1631 if (ISSBPROCLASS(sc)) { 1632 switch (dip->index) { 1633 case SB_LINE_IN_PORT: 1634 dip->type = AUDIO_MIXER_VALUE; 1635 dip->mixer_class = SB_INPUT_CLASS; 1636 dip->prev = AUDIO_MIXER_LAST; 1637 dip->next = AUDIO_MIXER_LAST; 1638 strcpy(dip->label.name, AudioNline); 1639 dip->un.v.num_channels = 2; 1640 strcpy(dip->un.v.units.name, AudioNvolume); 1641 return 0; 1642 1643 case SB_DAC_PORT: 1644 dip->type = AUDIO_MIXER_VALUE; 1645 dip->mixer_class = SB_INPUT_CLASS; 1646 dip->prev = AUDIO_MIXER_LAST; 1647 dip->next = AUDIO_MIXER_LAST; 1648 strcpy(dip->label.name, AudioNdac); 1649 dip->un.v.num_channels = 2; 1650 strcpy(dip->un.v.units.name, AudioNvolume); 1651 return 0; 1652 1653 case SB_CD_PORT: 1654 dip->type = AUDIO_MIXER_VALUE; 1655 dip->mixer_class = SB_INPUT_CLASS; 1656 dip->prev = AUDIO_MIXER_LAST; 1657 dip->next = AUDIO_MIXER_LAST; 1658 strcpy(dip->label.name, AudioNcd); 1659 dip->un.v.num_channels = 2; 1660 strcpy(dip->un.v.units.name, AudioNvolume); 1661 return 0; 1662 1663 case SB_FM_PORT: 1664 dip->type = AUDIO_MIXER_VALUE; 1665 dip->mixer_class = SB_INPUT_CLASS; 1666 dip->prev = AUDIO_MIXER_LAST; 1667 dip->next = AUDIO_MIXER_LAST; 1668 strcpy(dip->label.name, AudioNfmsynth); 1669 dip->un.v.num_channels = 2; 1670 strcpy(dip->un.v.units.name, AudioNvolume); 1671 return 0; 1672 1673 case SB_MASTER_VOL: 1674 dip->type = AUDIO_MIXER_VALUE; 1675 dip->mixer_class = SB_OUTPUT_CLASS; 1676 dip->prev = AUDIO_MIXER_LAST; 1677 dip->next = AUDIO_MIXER_LAST; 1678 strcpy(dip->label.name, AudioNvolume); 1679 dip->un.v.num_channels = 2; 1680 strcpy(dip->un.v.units.name, AudioNvolume); 1681 return 0; 1682 1683 case SB_RECORD_SOURCE: 1684 dip->mixer_class = SB_RECORD_CLASS; 1685 dip->type = AUDIO_MIXER_ENUM; 1686 dip->prev = AUDIO_MIXER_LAST; 1687 dip->next = AUDIO_MIXER_LAST; 1688 strcpy(dip->label.name, AudioNsource); 1689 dip->un.e.num_mem = 3; 1690 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone); 1691 dip->un.e.member[0].ord = SB_MIC_PORT; 1692 strcpy(dip->un.e.member[1].label.name, AudioNcd); 1693 dip->un.e.member[1].ord = SB_CD_PORT; 1694 strcpy(dip->un.e.member[2].label.name, AudioNline); 1695 dip->un.e.member[2].ord = SB_LINE_IN_PORT; 1696 return 0; 1697 1698 case SB_BASS: 1699 dip->type = AUDIO_MIXER_ENUM; 1700 dip->mixer_class = SB_INPUT_CLASS; 1701 dip->prev = AUDIO_MIXER_LAST; 1702 dip->next = AUDIO_MIXER_LAST; 1703 strcpy(dip->label.name, AudioNbass); 1704 dip->un.e.num_mem = 2; 1705 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1706 dip->un.e.member[0].ord = 0; 1707 strcpy(dip->un.e.member[1].label.name, AudioNon); 1708 dip->un.e.member[1].ord = 1; 1709 return 0; 1710 1711 case SB_TREBLE: 1712 dip->type = AUDIO_MIXER_ENUM; 1713 dip->mixer_class = SB_INPUT_CLASS; 1714 dip->prev = AUDIO_MIXER_LAST; 1715 dip->next = AUDIO_MIXER_LAST; 1716 strcpy(dip->label.name, AudioNtreble); 1717 dip->un.e.num_mem = 2; 1718 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1719 dip->un.e.member[0].ord = 0; 1720 strcpy(dip->un.e.member[1].label.name, AudioNon); 1721 dip->un.e.member[1].ord = 1; 1722 return 0; 1723 1724 case SB_RECORD_CLASS: /* record source class */ 1725 dip->type = AUDIO_MIXER_CLASS; 1726 dip->mixer_class = SB_RECORD_CLASS; 1727 dip->next = dip->prev = AUDIO_MIXER_LAST; 1728 strcpy(dip->label.name, AudioCRecord); 1729 return 0; 1730 } 1731 } 1732 1733 return ENXIO; 1734 } 1735
Indexes created Wed Oct 15 16:09:53 GMT 2025