sbdsp.c revision 1.38
1 /* $NetBSD: sbdsp.c,v 1.38 1997/03/20 20:15:25 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. */ 635 if (blk > NBPG) 636 blk = NBPG; 637 638 /* Round to a multiple of the sample size. */ 639 blk &= -(sc->sc_channels * sc->sc_precision / 8); 640 641 return (blk); 642 } 643 644 int 645 sbdsp_commit_settings(addr) 646 void *addr; 647 { 648 register struct sbdsp_softc *sc = addr; 649 650 /* due to potentially unfortunate ordering in the above layers, 651 re-do a few sets which may be important--input gains 652 (adjust the proper channels), number of input channels (hit the 653 record rate and set mode) */ 654 655 if (ISSBPRO(sc)) { 656 /* 657 * With 2 channels, SBPro can't do more than 22kHz. 658 * Whack the rates down to speed if necessary. 659 * Reset the time constant anyway 660 * because it may have been adjusted with a different number 661 * of channels, which means it might have computed the wrong 662 * mode (low/high speed). 663 */ 664 if (sc->sc_channels == 2 && 665 sbdsp_tctosr(sc, sc->sc_itc) > 22727) { 666 sbdsp_srtotc(sc, 22727, SB_INPUT_RATE, 667 &sc->sc_itc, &sc->sc_imode); 668 } else 669 sbdsp_srtotc(sc, sbdsp_tctosr(sc, sc->sc_itc), 670 SB_INPUT_RATE, &sc->sc_itc, 671 &sc->sc_imode); 672 673 if (sc->sc_channels == 2 && 674 sbdsp_tctosr(sc, sc->sc_otc) > 22727) { 675 sbdsp_srtotc(sc, 22727, SB_OUTPUT_RATE, 676 &sc->sc_otc, &sc->sc_omode); 677 } else 678 sbdsp_srtotc(sc, sbdsp_tctosr(sc, sc->sc_otc), 679 SB_OUTPUT_RATE, &sc->sc_otc, 680 &sc->sc_omode); 681 } 682 683 /* 684 * XXX 685 * Should wait for chip to be idle. 686 */ 687 sc->sc_dmadir = SB_DMA_NONE; 688 689 return 0; 690 } 691 692 693 int 694 sbdsp_open(sc, dev, flags) 695 register struct sbdsp_softc *sc; 696 dev_t dev; 697 int flags; 698 { 699 DPRINTF(("sbdsp_open: sc=0x%x\n", sc)); 700 701 if (sc->sc_open != 0 || sbdsp_reset(sc) != 0) 702 return ENXIO; 703 704 sc->sc_open = 1; 705 sc->sc_mintr = 0; 706 if (ISSBPROCLASS(sc) && 707 sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) { 708 DPRINTF(("sbdsp_open: can't set mono mode\n")); 709 /* we'll readjust when it's time for DMA. */ 710 } 711 712 /* 713 * Leave most things as they were; users must change things if 714 * the previous process didn't leave it they way they wanted. 715 * Looked at another way, it's easy to set up a configuration 716 * in one program and leave it for another to inherit. 717 */ 718 DPRINTF(("sbdsp_open: opened\n")); 719 720 return 0; 721 } 722 723 void 724 sbdsp_close(addr) 725 void *addr; 726 { 727 struct sbdsp_softc *sc = addr; 728 729 DPRINTF(("sbdsp_close: sc=0x%x\n", sc)); 730 731 sc->sc_open = 0; 732 sbdsp_spkroff(sc); 733 sc->spkr_state = SPKR_OFF; 734 sc->sc_mintr = 0; 735 sbdsp_haltdma(sc); 736 737 DPRINTF(("sbdsp_close: closed\n")); 738 } 739 740 /* 741 * Lower-level routines 742 */ 743 744 /* 745 * Reset the card. 746 * Return non-zero if the card isn't detected. 747 */ 748 int 749 sbdsp_reset(sc) 750 register struct sbdsp_softc *sc; 751 { 752 bus_space_tag_t iot = sc->sc_iot; 753 bus_space_handle_t ioh = sc->sc_ioh; 754 755 sc->sc_intr = 0; 756 if (sc->sc_dmadir != SB_DMA_NONE) { 757 isa_dmaabort(sc->sc_drq); 758 sc->sc_dmadir = SB_DMA_NONE; 759 } 760 sc->sc_last_hs_size = 0; 761 762 /* 763 * See SBK, section 11.3. 764 * We pulse a reset signal into the card. 765 * Gee, what a brilliant hardware design. 766 */ 767 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 1); 768 delay(10); 769 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 0); 770 delay(30); 771 if (sbdsp_rdsp(sc) != SB_MAGIC) 772 return -1; 773 774 return 0; 775 } 776 777 int 778 sbdsp16_wait(sc) 779 struct sbdsp_softc *sc; 780 { 781 bus_space_tag_t iot = sc->sc_iot; 782 bus_space_handle_t ioh = sc->sc_ioh; 783 register int i; 784 785 for (i = SBDSP_NPOLL; --i >= 0; ) { 786 register u_char x; 787 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 788 delay(10); 789 if ((x & SB_DSP_BUSY) == 0) 790 continue; 791 return 0; 792 } 793 ++sberr.wdsp; 794 return -1; 795 } 796 797 /* 798 * Write a byte to the dsp. 799 * XXX We are at the mercy of the card as we use a 800 * polling loop and wait until it can take the byte. 801 */ 802 int 803 sbdsp_wdsp(sc, v) 804 struct sbdsp_softc *sc; 805 int v; 806 { 807 bus_space_tag_t iot = sc->sc_iot; 808 bus_space_handle_t ioh = sc->sc_ioh; 809 register int i; 810 811 for (i = SBDSP_NPOLL; --i >= 0; ) { 812 register u_char x; 813 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 814 delay(10); 815 if ((x & SB_DSP_BUSY) != 0) 816 continue; 817 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, v); 818 delay(10); 819 return 0; 820 } 821 ++sberr.wdsp; 822 return -1; 823 } 824 825 /* 826 * Read a byte from the DSP, using polling. 827 */ 828 int 829 sbdsp_rdsp(sc) 830 struct sbdsp_softc *sc; 831 { 832 bus_space_tag_t iot = sc->sc_iot; 833 bus_space_handle_t ioh = sc->sc_ioh; 834 register int i; 835 836 for (i = SBDSP_NPOLL; --i >= 0; ) { 837 register u_char x; 838 x = bus_space_read_1(iot, ioh, SBP_DSP_RSTAT); 839 delay(10); 840 if ((x & SB_DSP_READY) == 0) 841 continue; 842 x = bus_space_read_1(iot, ioh, SBP_DSP_READ); 843 delay(10); 844 return x; 845 } 846 ++sberr.rdsp; 847 return -1; 848 } 849 850 /* 851 * Doing certain things (like toggling the speaker) make 852 * the SB hardware go away for a while, so pause a little. 853 */ 854 void 855 sbdsp_to(arg) 856 void *arg; 857 { 858 wakeup(arg); 859 } 860 861 void 862 sbdsp_pause(sc) 863 struct sbdsp_softc *sc; 864 { 865 extern int hz; 866 867 timeout(sbdsp_to, sbdsp_to, hz/8); 868 (void)tsleep(sbdsp_to, PWAIT, "sbpause", 0); 869 } 870 871 /* 872 * Turn on the speaker. The SBK documention says this operation 873 * can take up to 1/10 of a second. Higher level layers should 874 * probably let the task sleep for this amount of time after 875 * calling here. Otherwise, things might not work (because 876 * sbdsp_wdsp() and sbdsp_rdsp() will probably timeout.) 877 * 878 * These engineers had their heads up their ass when 879 * they designed this card. 880 */ 881 void 882 sbdsp_spkron(sc) 883 struct sbdsp_softc *sc; 884 { 885 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_ON); 886 sbdsp_pause(sc); 887 } 888 889 /* 890 * Turn off the speaker; see comment above. 891 */ 892 void 893 sbdsp_spkroff(sc) 894 struct sbdsp_softc *sc; 895 { 896 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_OFF); 897 sbdsp_pause(sc); 898 } 899 900 /* 901 * Read the version number out of the card. Return major code 902 * in high byte, and minor code in low byte. 903 */ 904 short 905 sbversion(sc) 906 struct sbdsp_softc *sc; 907 { 908 short v; 909 910 if (sbdsp_wdsp(sc, SB_DSP_VERSION) < 0) 911 return 0; 912 v = sbdsp_rdsp(sc) << 8; 913 v |= sbdsp_rdsp(sc); 914 return ((v >= 0) ? v : 0); 915 } 916 917 /* 918 * Halt a DMA in progress. A low-speed transfer can be 919 * resumed with sbdsp_contdma(). 920 */ 921 int 922 sbdsp_haltdma(addr) 923 void *addr; 924 { 925 register struct sbdsp_softc *sc = addr; 926 927 DPRINTF(("sbdsp_haltdma: sc=0x%x\n", sc)); 928 929 sbdsp_reset(sc); 930 return 0; 931 } 932 933 int 934 sbdsp_contdma(addr) 935 void *addr; 936 { 937 register struct sbdsp_softc *sc = addr; 938 939 DPRINTF(("sbdsp_contdma: sc=0x%x\n", sc)); 940 941 /* XXX how do we reinitialize the DMA controller state? do we care? */ 942 (void)sbdsp_wdsp(sc, SB_DSP_CONT); 943 return(0); 944 } 945 946 int 947 sbdsp16_setrate(sc, sr, isdac, ratep) 948 register struct sbdsp_softc *sc; 949 int sr; 950 int isdac; 951 int *ratep; 952 { 953 954 /* 955 * XXXX 956 * More checks here? 957 */ 958 if (sr < 5000 || sr > 45454) 959 return (EINVAL); 960 *ratep = sr; 961 return (0); 962 } 963 964 /* 965 * Convert a linear sampling rate into the DAC time constant. 966 * Set *mode to indicate the high/low-speed DMA operation. 967 * Because of limitations of the card, not all rates are possible. 968 * We return the time constant of the closest possible rate. 969 * The sampling rate limits are different for the DAC and ADC, 970 * so isdac indicates output, and !isdac indicates input. 971 */ 972 int 973 sbdsp_srtotc(sc, sr, isdac, tcp, modep) 974 register struct sbdsp_softc *sc; 975 int sr; 976 int isdac; 977 int *tcp, *modep; 978 { 979 int tc, realtc, mode; 980 981 /* 982 * Don't forget to compute which mode we'll be in based on whether 983 * we need to double the rate for stereo on SBPRO. 984 */ 985 986 if (sr == 0) { 987 tc = SB_LS_MIN; 988 mode = SB_ADAC_LS; 989 goto out; 990 } 991 992 tc = 256 - (1000000 / sr); 993 994 if (sc->sc_channels == 2 && ISSBPRO(sc)) 995 /* compute based on 2x sample rate when needed */ 996 realtc = 256 - ( 500000 / sr); 997 else 998 realtc = tc; 999 1000 if (tc < SB_LS_MIN) { 1001 tc = SB_LS_MIN; 1002 mode = SB_ADAC_LS; /* NB: 2x minimum speed is still low 1003 * speed mode. */ 1004 goto out; 1005 } else if (isdac) { 1006 if (realtc <= SB_DAC_LS_MAX) 1007 mode = SB_ADAC_LS; 1008 else { 1009 mode = SB_ADAC_HS; 1010 if (tc > SB_DAC_HS_MAX) 1011 tc = SB_DAC_HS_MAX; 1012 } 1013 } else { 1014 int adc_ls_max, adc_hs_max; 1015 1016 /* XXX use better rounding--compare distance to nearest tc on both 1017 sides of requested speed */ 1018 if (ISSBPROCLASS(sc)) { 1019 adc_ls_max = SBPRO_ADC_LS_MAX; 1020 adc_hs_max = SBPRO_ADC_HS_MAX; 1021 } else { 1022 adc_ls_max = SBCLA_ADC_LS_MAX; 1023 adc_hs_max = SBCLA_ADC_HS_MAX; 1024 } 1025 1026 if (realtc <= adc_ls_max) 1027 mode = SB_ADAC_LS; 1028 else { 1029 mode = SB_ADAC_HS; 1030 if (tc > adc_hs_max) 1031 tc = adc_hs_max; 1032 } 1033 } 1034 1035 out: 1036 *tcp = tc; 1037 *modep = mode; 1038 return (0); 1039 } 1040 1041 /* 1042 * Convert a DAC time constant to a sampling rate. 1043 * See SBK, section 12. 1044 */ 1045 int 1046 sbdsp_tctosr(sc, tc) 1047 register struct sbdsp_softc *sc; 1048 int tc; 1049 { 1050 int adc; 1051 1052 if (ISSBPROCLASS(sc)) 1053 adc = SBPRO_ADC_HS_MAX; 1054 else 1055 adc = SBCLA_ADC_HS_MAX; 1056 1057 if (tc > adc) 1058 tc = adc; 1059 1060 return (1000000 / (256 - tc)); 1061 } 1062 1063 int 1064 sbdsp_set_timeconst(sc, tc) 1065 register struct sbdsp_softc *sc; 1066 int tc; 1067 { 1068 /* 1069 * A SBPro in stereo mode uses time constants at double the 1070 * actual rate. 1071 */ 1072 if (ISSBPRO(sc) && sc->sc_channels == 2) 1073 tc = 256 - ((256 - tc) / 2); 1074 1075 DPRINTF(("sbdsp_set_timeconst: sc=%p tc=%d\n", sc, tc)); 1076 1077 if (sbdsp_wdsp(sc, SB_DSP_TIMECONST) < 0 || 1078 sbdsp_wdsp(sc, tc) < 0) 1079 return (EIO); 1080 1081 return (0); 1082 } 1083 1084 int 1085 sbdsp_dma_input(addr, p, cc, intr, arg) 1086 void *addr; 1087 void *p; 1088 int cc; 1089 void (*intr) __P((void *)); 1090 void *arg; 1091 { 1092 register struct sbdsp_softc *sc = addr; 1093 1094 #ifdef AUDIO_DEBUG 1095 if (sbdspdebug > 1) 1096 Dprintf("sbdsp_dma_input: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1097 #endif 1098 if (sc->sc_channels == 2 && (cc & 1)) { 1099 DPRINTF(("sbdsp_dma_input: stereo input, odd bytecnt\n")); 1100 return EIO; 1101 } 1102 1103 if (sc->sc_dmadir != SB_DMA_IN) { 1104 if (ISSBPRO(sc)) { 1105 if (sc->sc_channels == 2) { 1106 if (ISJAZZ16(sc) && sc->sc_precision == 16) { 1107 if (sbdsp_wdsp(sc, 1108 JAZZ16_RECORD_STEREO) < 0) { 1109 goto badmode; 1110 } 1111 } else if (sbdsp_wdsp(sc, 1112 SB_DSP_RECORD_STEREO) < 0) 1113 goto badmode; 1114 sbdsp_mix_write(sc, SBP_INFILTER, 1115 (sbdsp_mix_read(sc, SBP_INFILTER) & 1116 ~SBP_IFILTER_MASK) | SBP_FILTER_OFF); 1117 } else { 1118 if (ISJAZZ16(sc) && sc->sc_precision == 16) { 1119 if (sbdsp_wdsp(sc, 1120 JAZZ16_RECORD_MONO) < 0) 1121 { 1122 goto badmode; 1123 } 1124 } else if (sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) 1125 goto badmode; 1126 sbdsp_mix_write(sc, SBP_INFILTER, 1127 (sbdsp_mix_read(sc, SBP_INFILTER) & 1128 ~SBP_IFILTER_MASK) | sc->in_filter); 1129 } 1130 } 1131 1132 if (ISSB16CLASS(sc)) { 1133 if (sbdsp_wdsp(sc, SB_DSP16_INPUTRATE) < 0 || 1134 sbdsp_wdsp(sc, sc->sc_irate >> 8) < 0 || 1135 sbdsp_wdsp(sc, sc->sc_irate) < 0) 1136 goto giveup; 1137 } else 1138 sbdsp_set_timeconst(sc, sc->sc_itc); 1139 sc->sc_dmadir = SB_DMA_IN; 1140 } 1141 1142 sc->sc_drq = sc->sc_precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 1143 isa_dmastart(DMAMODE_READ, p, cc, sc->sc_drq); 1144 sc->sc_intr = intr; 1145 sc->sc_arg = arg; 1146 sc->dmaflags = DMAMODE_READ; 1147 sc->dmaaddr = p; 1148 sc->dmacnt = cc; /* DMA controller is strange...? */ 1149 1150 if (sc->sc_precision == 16) 1151 cc >>= 1; 1152 --cc; 1153 if (ISSB16CLASS(sc)) { 1154 if (sbdsp_wdsp(sc, sc->sc_precision == 16 ? SB_DSP16_RDMA_16 : 1155 SB_DSP16_RDMA_8) < 0 || 1156 sbdsp_wdsp(sc, (sc->sc_precision == 16 ? 0x10 : 0x00) | 1157 (sc->sc_channels == 2 ? 0x20 : 0x00)) < 0 || 1158 sbdsp16_wait(sc) || 1159 sbdsp_wdsp(sc, cc) < 0 || 1160 sbdsp_wdsp(sc, cc >> 8) < 0) { 1161 DPRINTF(("sbdsp_dma_input: SB16 DMA start failed\n")); 1162 goto giveup; 1163 } 1164 } else if (sc->sc_imode == SB_ADAC_LS) { 1165 if (sbdsp_wdsp(sc, SB_DSP_RDMA) < 0 || 1166 sbdsp_wdsp(sc, cc) < 0 || 1167 sbdsp_wdsp(sc, cc >> 8) < 0) { 1168 DPRINTF(("sbdsp_dma_input: LS DMA start failed\n")); 1169 goto giveup; 1170 } 1171 } else { 1172 if (cc != sc->sc_last_hs_size) { 1173 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1174 sbdsp_wdsp(sc, cc) < 0 || 1175 sbdsp_wdsp(sc, cc >> 8) < 0) { 1176 DPRINTF(("sbdsp_dma_input: HS DMA start failed\n")); 1177 goto giveup; 1178 } 1179 sc->sc_last_hs_size = cc; 1180 } 1181 if (sbdsp_wdsp(sc, SB_DSP_HS_INPUT) < 0) { 1182 DPRINTF(("sbdsp_dma_input: HS DMA restart failed\n")); 1183 goto giveup; 1184 } 1185 } 1186 return 0; 1187 1188 giveup: 1189 sbdsp_reset(sc); 1190 return EIO; 1191 1192 badmode: 1193 DPRINTF(("sbdsp_dma_input: can't set %s mode\n", 1194 sc->sc_channels == 2 ? "stereo" : "mono")); 1195 return EIO; 1196 } 1197 1198 int 1199 sbdsp_dma_output(addr, p, cc, intr, arg) 1200 void *addr; 1201 void *p; 1202 int cc; 1203 void (*intr) __P((void *)); 1204 void *arg; 1205 { 1206 register struct sbdsp_softc *sc = addr; 1207 1208 #ifdef AUDIO_DEBUG 1209 if (sbdspdebug > 1) 1210 Dprintf("sbdsp_dma_output: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1211 #endif 1212 if (sc->sc_channels == 2 && (cc & 1)) { 1213 DPRINTF(("stereo playback odd bytes (%d)\n", cc)); 1214 return EIO; 1215 } 1216 1217 if (sc->sc_dmadir != SB_DMA_OUT) { 1218 if (ISSBPRO(sc)) { 1219 /* make sure we re-set stereo mixer bit when we start 1220 output. */ 1221 sbdsp_mix_write(sc, SBP_STEREO, 1222 (sbdsp_mix_read(sc, SBP_STEREO) & ~SBP_PLAYMODE_MASK) | 1223 (sc->sc_channels == 2 ? SBP_PLAYMODE_STEREO : SBP_PLAYMODE_MONO)); 1224 if (ISJAZZ16(sc)) { 1225 /* Yes, we write the record mode to set 1226 16-bit playback mode. weird, huh? */ 1227 if (sc->sc_precision == 16) { 1228 sbdsp_wdsp(sc, 1229 sc->sc_channels == 2 ? 1230 JAZZ16_RECORD_STEREO : 1231 JAZZ16_RECORD_MONO); 1232 } else { 1233 sbdsp_wdsp(sc, 1234 sc->sc_channels == 2 ? 1235 SB_DSP_RECORD_STEREO : 1236 SB_DSP_RECORD_MONO); 1237 } 1238 } 1239 } 1240 1241 if (ISSB16CLASS(sc)) { 1242 if (sbdsp_wdsp(sc, SB_DSP16_OUTPUTRATE) < 0 || 1243 sbdsp_wdsp(sc, sc->sc_orate >> 8) < 0 || 1244 sbdsp_wdsp(sc, sc->sc_orate) < 0) 1245 goto giveup; 1246 } else 1247 sbdsp_set_timeconst(sc, sc->sc_otc); 1248 sc->sc_dmadir = SB_DMA_OUT; 1249 } 1250 1251 sc->sc_drq = sc->sc_precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 1252 isa_dmastart(DMAMODE_WRITE, p, cc, sc->sc_drq); 1253 sc->sc_intr = intr; 1254 sc->sc_arg = arg; 1255 sc->dmaflags = DMAMODE_WRITE; 1256 sc->dmaaddr = p; 1257 sc->dmacnt = cc; /* a vagary of how DMA works, apparently. */ 1258 1259 if (sc->sc_precision == 16) 1260 cc >>= 1; 1261 --cc; 1262 if (ISSB16CLASS(sc)) { 1263 if (sbdsp_wdsp(sc, sc->sc_precision == 16 ? SB_DSP16_WDMA_16 : 1264 SB_DSP16_WDMA_8) < 0 || 1265 sbdsp_wdsp(sc, (sc->sc_precision == 16 ? 0x10 : 0x00) | 1266 (sc->sc_channels == 2 ? 0x20 : 0x00)) < 0 || 1267 sbdsp16_wait(sc) || 1268 sbdsp_wdsp(sc, cc) < 0 || 1269 sbdsp_wdsp(sc, cc >> 8) < 0) { 1270 DPRINTF(("sbdsp_dma_output: SB16 DMA start failed\n")); 1271 goto giveup; 1272 } 1273 } else if (sc->sc_omode == SB_ADAC_LS) { 1274 if (sbdsp_wdsp(sc, SB_DSP_WDMA) < 0 || 1275 sbdsp_wdsp(sc, cc) < 0 || 1276 sbdsp_wdsp(sc, cc >> 8) < 0) { 1277 DPRINTF(("sbdsp_dma_output: LS DMA start failed\n")); 1278 goto giveup; 1279 } 1280 } else { 1281 if (cc != sc->sc_last_hs_size) { 1282 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1283 sbdsp_wdsp(sc, cc) < 0 || 1284 sbdsp_wdsp(sc, cc >> 8) < 0) { 1285 DPRINTF(("sbdsp_dma_output: HS DMA start failed\n")); 1286 goto giveup; 1287 } 1288 sc->sc_last_hs_size = cc; 1289 } 1290 if (sbdsp_wdsp(sc, SB_DSP_HS_OUTPUT) < 0) { 1291 DPRINTF(("sbdsp_dma_output: HS DMA restart failed\n")); 1292 goto giveup; 1293 } 1294 } 1295 return 0; 1296 1297 giveup: 1298 sbdsp_reset(sc); 1299 return EIO; 1300 } 1301 1302 /* 1303 * Only the DSP unit on the sound blaster generates interrupts. 1304 * There are three cases of interrupt: reception of a midi byte 1305 * (when mode is enabled), completion of dma transmission, or 1306 * completion of a dma reception. The three modes are mutually 1307 * exclusive so we know a priori which event has occurred. 1308 */ 1309 int 1310 sbdsp_intr(arg) 1311 void *arg; 1312 { 1313 register struct sbdsp_softc *sc = arg; 1314 u_char x; 1315 1316 #ifdef AUDIO_DEBUG 1317 if (sbdspdebug > 1) 1318 Dprintf("sbdsp_intr: intr=0x%x\n", sc->sc_intr); 1319 #endif 1320 if (!isa_dmafinished(sc->sc_drq)) { 1321 #ifdef AUDIO_DEBUG 1322 printf("sbdsp_intr: not finished\n"); 1323 #endif 1324 return 0; 1325 } 1326 sc->sc_interrupts++; 1327 delay(10); 1328 #if 0 1329 if (sc->sc_mintr != 0) { 1330 x = sbdsp_rdsp(sc); 1331 (*sc->sc_mintr)(sc->sc_arg, x); 1332 } else 1333 #endif 1334 if (sc->sc_intr != 0) { 1335 /* clear interrupt */ 1336 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, 1337 sc->sc_precision == 16 ? SBP_DSP_IRQACK16 : 1338 SBP_DSP_IRQACK8); 1339 isa_dmadone(sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->sc_drq); 1340 (*sc->sc_intr)(sc->sc_arg); 1341 } else { 1342 return 0; 1343 } 1344 return 1; 1345 } 1346 1347 #if 0 1348 /* 1349 * Enter midi uart mode and arrange for read interrupts 1350 * to vector to `intr'. This puts the card in a mode 1351 * which allows only midi I/O; the card must be reset 1352 * to leave this mode. Unfortunately, the card does not 1353 * use transmit interrupts, so bytes must be output 1354 * using polling. To keep the polling overhead to a 1355 * minimum, output should be driven off a timer. 1356 * This is a little tricky since only 320us separate 1357 * consecutive midi bytes. 1358 */ 1359 void 1360 sbdsp_set_midi_mode(sc, intr, arg) 1361 struct sbdsp_softc *sc; 1362 void (*intr)(); 1363 void *arg; 1364 { 1365 1366 sbdsp_wdsp(sc, SB_MIDI_UART_INTR); 1367 sc->sc_mintr = intr; 1368 sc->sc_intr = 0; 1369 sc->sc_arg = arg; 1370 } 1371 1372 /* 1373 * Write a byte to the midi port, when in midi uart mode. 1374 */ 1375 void 1376 sbdsp_midi_output(sc, v) 1377 struct sbdsp_softc *sc; 1378 int v; 1379 { 1380 1381 if (sbdsp_wdsp(sc, v) < 0) 1382 ++sberr.wmidi; 1383 } 1384 #endif 1385 1386 int 1387 sbdsp_setfd(addr, flag) 1388 void *addr; 1389 int flag; 1390 { 1391 /* Can't do full-duplex */ 1392 return(ENOTTY); 1393 } 1394 1395 int 1396 sbdsp_mixer_set_port(addr, cp) 1397 void *addr; 1398 mixer_ctrl_t *cp; 1399 { 1400 register struct sbdsp_softc *sc = addr; 1401 int src, gain; 1402 1403 DPRINTF(("sbdsp_mixer_set_port: port=%d num_channels=%d\n", cp->dev, 1404 cp->un.value.num_channels)); 1405 1406 if (!ISSBPROCLASS(sc)) 1407 return EINVAL; 1408 1409 /* 1410 * Everything is a value except for SBPro BASS/TREBLE and 1411 * RECORD_SOURCE 1412 */ 1413 switch (cp->dev) { 1414 case SB_SPEAKER: 1415 cp->dev = SB_MASTER_VOL; 1416 case SB_MIC_PORT: 1417 case SB_LINE_IN_PORT: 1418 case SB_DAC_PORT: 1419 case SB_FM_PORT: 1420 case SB_CD_PORT: 1421 case SB_MASTER_VOL: 1422 if (cp->type != AUDIO_MIXER_VALUE) 1423 return EINVAL; 1424 1425 /* 1426 * All the mixer ports are stereo except for the microphone. 1427 * If we get a single-channel gain value passed in, then we 1428 * duplicate it to both left and right channels. 1429 */ 1430 1431 switch (cp->dev) { 1432 case SB_MIC_PORT: 1433 if (cp->un.value.num_channels != 1) 1434 return EINVAL; 1435 1436 /* handle funny microphone gain */ 1437 gain = SBP_AGAIN_TO_MICGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1438 break; 1439 case SB_LINE_IN_PORT: 1440 case SB_DAC_PORT: 1441 case SB_FM_PORT: 1442 case SB_CD_PORT: 1443 case SB_MASTER_VOL: 1444 switch (cp->un.value.num_channels) { 1445 case 1: 1446 gain = sbdsp_mono_vol(SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO])); 1447 break; 1448 case 2: 1449 gain = sbdsp_stereo_vol(SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]), 1450 SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT])); 1451 break; 1452 default: 1453 return EINVAL; 1454 } 1455 break; 1456 default: 1457 return EINVAL; 1458 } 1459 1460 switch (cp->dev) { 1461 case SB_MIC_PORT: 1462 src = SBP_MIC_VOL; 1463 break; 1464 case SB_MASTER_VOL: 1465 src = SBP_MASTER_VOL; 1466 break; 1467 case SB_LINE_IN_PORT: 1468 src = SBP_LINE_VOL; 1469 break; 1470 case SB_DAC_PORT: 1471 src = SBP_DAC_VOL; 1472 break; 1473 case SB_FM_PORT: 1474 src = SBP_FM_VOL; 1475 break; 1476 case SB_CD_PORT: 1477 src = SBP_CD_VOL; 1478 break; 1479 default: 1480 return EINVAL; 1481 } 1482 1483 sbdsp_mix_write(sc, src, gain); 1484 sc->gain[cp->dev] = gain; 1485 break; 1486 1487 case SB_TREBLE: 1488 case SB_BASS: 1489 case SB_RECORD_SOURCE: 1490 if (cp->type != AUDIO_MIXER_ENUM) 1491 return EINVAL; 1492 1493 switch (cp->dev) { 1494 case SB_TREBLE: 1495 return sbdsp_set_ifilter(addr, cp->un.ord ? SBP_TREBLE_EQ : 0); 1496 case SB_BASS: 1497 return sbdsp_set_ifilter(addr, cp->un.ord ? SBP_BASS_EQ : 0); 1498 case SB_RECORD_SOURCE: 1499 return sbdsp_set_in_port(addr, cp->un.ord); 1500 } 1501 1502 break; 1503 1504 default: 1505 return EINVAL; 1506 } 1507 1508 return (0); 1509 } 1510 1511 int 1512 sbdsp_mixer_get_port(addr, cp) 1513 void *addr; 1514 mixer_ctrl_t *cp; 1515 { 1516 register struct sbdsp_softc *sc = addr; 1517 int gain; 1518 1519 DPRINTF(("sbdsp_mixer_get_port: port=%d", cp->dev)); 1520 1521 if (!ISSBPROCLASS(sc)) 1522 return EINVAL; 1523 1524 switch (cp->dev) { 1525 case SB_SPEAKER: 1526 cp->dev = SB_MASTER_VOL; 1527 case SB_MIC_PORT: 1528 case SB_LINE_IN_PORT: 1529 case SB_DAC_PORT: 1530 case SB_FM_PORT: 1531 case SB_CD_PORT: 1532 case SB_MASTER_VOL: 1533 gain = sc->gain[cp->dev]; 1534 1535 switch (cp->dev) { 1536 case SB_MIC_PORT: 1537 if (cp->un.value.num_channels != 1) 1538 return EINVAL; 1539 1540 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = SBP_MICGAIN_TO_AGAIN(gain); 1541 break; 1542 case SB_LINE_IN_PORT: 1543 case SB_DAC_PORT: 1544 case SB_FM_PORT: 1545 case SB_CD_PORT: 1546 case SB_MASTER_VOL: 1547 switch (cp->un.value.num_channels) { 1548 case 1: 1549 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = SBP_SBGAIN_TO_AGAIN(gain); 1550 break; 1551 case 2: 1552 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = SBP_LEFTGAIN(gain); 1553 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = SBP_RIGHTGAIN(gain); 1554 break; 1555 default: 1556 return EINVAL; 1557 } 1558 break; 1559 } 1560 1561 break; 1562 1563 case SB_TREBLE: 1564 case SB_BASS: 1565 case SB_RECORD_SOURCE: 1566 switch (cp->dev) { 1567 case SB_TREBLE: 1568 cp->un.ord = sbdsp_get_ifilter(addr) == SBP_TREBLE_EQ; 1569 return 0; 1570 case SB_BASS: 1571 cp->un.ord = sbdsp_get_ifilter(addr) == SBP_BASS_EQ; 1572 return 0; 1573 case SB_RECORD_SOURCE: 1574 cp->un.ord = sbdsp_get_in_port(addr); 1575 return 0; 1576 } 1577 1578 break; 1579 1580 default: 1581 return EINVAL; 1582 } 1583 1584 return (0); 1585 } 1586 1587 int 1588 sbdsp_mixer_query_devinfo(addr, dip) 1589 void *addr; 1590 register mixer_devinfo_t *dip; 1591 { 1592 register struct sbdsp_softc *sc = addr; 1593 1594 DPRINTF(("sbdsp_mixer_query_devinfo: index=%d\n", dip->index)); 1595 1596 switch (dip->index) { 1597 case SB_MIC_PORT: 1598 dip->type = AUDIO_MIXER_VALUE; 1599 dip->mixer_class = SB_INPUT_CLASS; 1600 dip->prev = AUDIO_MIXER_LAST; 1601 dip->next = AUDIO_MIXER_LAST; 1602 strcpy(dip->label.name, AudioNmicrophone); 1603 dip->un.v.num_channels = 1; 1604 strcpy(dip->un.v.units.name, AudioNvolume); 1605 return 0; 1606 1607 case SB_SPEAKER: 1608 dip->type = AUDIO_MIXER_VALUE; 1609 dip->mixer_class = SB_OUTPUT_CLASS; 1610 dip->prev = AUDIO_MIXER_LAST; 1611 dip->next = AUDIO_MIXER_LAST; 1612 strcpy(dip->label.name, AudioNspeaker); 1613 dip->un.v.num_channels = 1; 1614 strcpy(dip->un.v.units.name, AudioNvolume); 1615 return 0; 1616 1617 case SB_INPUT_CLASS: 1618 dip->type = AUDIO_MIXER_CLASS; 1619 dip->mixer_class = SB_INPUT_CLASS; 1620 dip->next = dip->prev = AUDIO_MIXER_LAST; 1621 strcpy(dip->label.name, AudioCInputs); 1622 return 0; 1623 1624 case SB_OUTPUT_CLASS: 1625 dip->type = AUDIO_MIXER_CLASS; 1626 dip->mixer_class = SB_OUTPUT_CLASS; 1627 dip->next = dip->prev = AUDIO_MIXER_LAST; 1628 strcpy(dip->label.name, AudioCOutputs); 1629 return 0; 1630 } 1631 1632 if (ISSBPROCLASS(sc)) { 1633 switch (dip->index) { 1634 case SB_LINE_IN_PORT: 1635 dip->type = AUDIO_MIXER_VALUE; 1636 dip->mixer_class = SB_INPUT_CLASS; 1637 dip->prev = AUDIO_MIXER_LAST; 1638 dip->next = AUDIO_MIXER_LAST; 1639 strcpy(dip->label.name, AudioNline); 1640 dip->un.v.num_channels = 2; 1641 strcpy(dip->un.v.units.name, AudioNvolume); 1642 return 0; 1643 1644 case SB_DAC_PORT: 1645 dip->type = AUDIO_MIXER_VALUE; 1646 dip->mixer_class = SB_INPUT_CLASS; 1647 dip->prev = AUDIO_MIXER_LAST; 1648 dip->next = AUDIO_MIXER_LAST; 1649 strcpy(dip->label.name, AudioNdac); 1650 dip->un.v.num_channels = 2; 1651 strcpy(dip->un.v.units.name, AudioNvolume); 1652 return 0; 1653 1654 case SB_CD_PORT: 1655 dip->type = AUDIO_MIXER_VALUE; 1656 dip->mixer_class = SB_INPUT_CLASS; 1657 dip->prev = AUDIO_MIXER_LAST; 1658 dip->next = AUDIO_MIXER_LAST; 1659 strcpy(dip->label.name, AudioNcd); 1660 dip->un.v.num_channels = 2; 1661 strcpy(dip->un.v.units.name, AudioNvolume); 1662 return 0; 1663 1664 case SB_FM_PORT: 1665 dip->type = AUDIO_MIXER_VALUE; 1666 dip->mixer_class = SB_INPUT_CLASS; 1667 dip->prev = AUDIO_MIXER_LAST; 1668 dip->next = AUDIO_MIXER_LAST; 1669 strcpy(dip->label.name, AudioNfmsynth); 1670 dip->un.v.num_channels = 2; 1671 strcpy(dip->un.v.units.name, AudioNvolume); 1672 return 0; 1673 1674 case SB_MASTER_VOL: 1675 dip->type = AUDIO_MIXER_VALUE; 1676 dip->mixer_class = SB_OUTPUT_CLASS; 1677 dip->prev = AUDIO_MIXER_LAST; 1678 dip->next = AUDIO_MIXER_LAST; 1679 strcpy(dip->label.name, AudioNvolume); 1680 dip->un.v.num_channels = 2; 1681 strcpy(dip->un.v.units.name, AudioNvolume); 1682 return 0; 1683 1684 case SB_RECORD_SOURCE: 1685 dip->mixer_class = SB_RECORD_CLASS; 1686 dip->type = AUDIO_MIXER_ENUM; 1687 dip->prev = AUDIO_MIXER_LAST; 1688 dip->next = AUDIO_MIXER_LAST; 1689 strcpy(dip->label.name, AudioNsource); 1690 dip->un.e.num_mem = 3; 1691 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone); 1692 dip->un.e.member[0].ord = SB_MIC_PORT; 1693 strcpy(dip->un.e.member[1].label.name, AudioNcd); 1694 dip->un.e.member[1].ord = SB_CD_PORT; 1695 strcpy(dip->un.e.member[2].label.name, AudioNline); 1696 dip->un.e.member[2].ord = SB_LINE_IN_PORT; 1697 return 0; 1698 1699 case SB_BASS: 1700 dip->type = AUDIO_MIXER_ENUM; 1701 dip->mixer_class = SB_INPUT_CLASS; 1702 dip->prev = AUDIO_MIXER_LAST; 1703 dip->next = AUDIO_MIXER_LAST; 1704 strcpy(dip->label.name, AudioNbass); 1705 dip->un.e.num_mem = 2; 1706 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1707 dip->un.e.member[0].ord = 0; 1708 strcpy(dip->un.e.member[1].label.name, AudioNon); 1709 dip->un.e.member[1].ord = 1; 1710 return 0; 1711 1712 case SB_TREBLE: 1713 dip->type = AUDIO_MIXER_ENUM; 1714 dip->mixer_class = SB_INPUT_CLASS; 1715 dip->prev = AUDIO_MIXER_LAST; 1716 dip->next = AUDIO_MIXER_LAST; 1717 strcpy(dip->label.name, AudioNtreble); 1718 dip->un.e.num_mem = 2; 1719 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1720 dip->un.e.member[0].ord = 0; 1721 strcpy(dip->un.e.member[1].label.name, AudioNon); 1722 dip->un.e.member[1].ord = 1; 1723 return 0; 1724 1725 case SB_RECORD_CLASS: /* record source class */ 1726 dip->type = AUDIO_MIXER_CLASS; 1727 dip->mixer_class = SB_RECORD_CLASS; 1728 dip->next = dip->prev = AUDIO_MIXER_LAST; 1729 strcpy(dip->label.name, AudioCRecord); 1730 return 0; 1731 } 1732 } 1733 1734 return ENXIO; 1735 } 1736
Indexes created Mon Sep 29 21:09:56 GMT 2025