sbdsp.c revision 1.35
1 /* $NetBSD: sbdsp.c,v 1.35 1997/03/20 11:03:13 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 /* Higher speeds need bigger blocks to avoid popping and silence gaps. */ 635 if (blk < NBPG/4 || blk > NBPG/2) { 636 if (ISSB16CLASS(sc)) { 637 if (sc->sc_orate > 8000 || sc->sc_irate > 8000) 638 blk = NBPG/2; 639 } else { 640 if (sc->sc_otc > SB_8K || sc->sc_itc < SB_8K) 641 blk = NBPG/2; 642 } 643 } 644 /* don't try to DMA too much at once, though. */ 645 if (blk > NBPG) 646 blk = NBPG; 647 if (sc->sc_channels == 2) 648 return (blk & ~1); /* must be even to preserve stereo separation */ 649 else 650 return (blk); /* Anything goes :-) */ 651 } 652 653 int 654 sbdsp_commit_settings(addr) 655 void *addr; 656 { 657 register struct sbdsp_softc *sc = addr; 658 659 /* due to potentially unfortunate ordering in the above layers, 660 re-do a few sets which may be important--input gains 661 (adjust the proper channels), number of input channels (hit the 662 record rate and set mode) */ 663 664 if (ISSBPRO(sc)) { 665 /* 666 * With 2 channels, SBPro can't do more than 22kHz. 667 * Whack the rates down to speed if necessary. 668 * Reset the time constant anyway 669 * because it may have been adjusted with a different number 670 * of channels, which means it might have computed the wrong 671 * mode (low/high speed). 672 */ 673 if (sc->sc_channels == 2 && 674 sbdsp_tctosr(sc, sc->sc_itc) > 22727) { 675 sbdsp_srtotc(sc, 22727, SB_INPUT_RATE, 676 &sc->sc_itc, &sc->sc_imode); 677 } else 678 sbdsp_srtotc(sc, sbdsp_tctosr(sc, sc->sc_itc), 679 SB_INPUT_RATE, &sc->sc_itc, 680 &sc->sc_imode); 681 682 if (sc->sc_channels == 2 && 683 sbdsp_tctosr(sc, sc->sc_otc) > 22727) { 684 sbdsp_srtotc(sc, 22727, SB_OUTPUT_RATE, 685 &sc->sc_otc, &sc->sc_omode); 686 } else 687 sbdsp_srtotc(sc, sbdsp_tctosr(sc, sc->sc_otc), 688 SB_OUTPUT_RATE, &sc->sc_otc, 689 &sc->sc_omode); 690 } 691 692 /* 693 * XXX 694 * Should wait for chip to be idle. 695 */ 696 sc->sc_dmadir = SB_DMA_NONE; 697 698 return 0; 699 } 700 701 702 int 703 sbdsp_open(sc, dev, flags) 704 register struct sbdsp_softc *sc; 705 dev_t dev; 706 int flags; 707 { 708 DPRINTF(("sbdsp_open: sc=0x%x\n", sc)); 709 710 if (sc->sc_open != 0 || sbdsp_reset(sc) != 0) 711 return ENXIO; 712 713 sc->sc_open = 1; 714 sc->sc_mintr = 0; 715 if (ISSBPROCLASS(sc) && 716 sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) { 717 DPRINTF(("sbdsp_open: can't set mono mode\n")); 718 /* we'll readjust when it's time for DMA. */ 719 } 720 721 /* 722 * Leave most things as they were; users must change things if 723 * the previous process didn't leave it they way they wanted. 724 * Looked at another way, it's easy to set up a configuration 725 * in one program and leave it for another to inherit. 726 */ 727 DPRINTF(("sbdsp_open: opened\n")); 728 729 return 0; 730 } 731 732 void 733 sbdsp_close(addr) 734 void *addr; 735 { 736 struct sbdsp_softc *sc = addr; 737 738 DPRINTF(("sbdsp_close: sc=0x%x\n", sc)); 739 740 sc->sc_open = 0; 741 sbdsp_spkroff(sc); 742 sc->spkr_state = SPKR_OFF; 743 sc->sc_mintr = 0; 744 sbdsp_haltdma(sc); 745 746 DPRINTF(("sbdsp_close: closed\n")); 747 } 748 749 /* 750 * Lower-level routines 751 */ 752 753 /* 754 * Reset the card. 755 * Return non-zero if the card isn't detected. 756 */ 757 int 758 sbdsp_reset(sc) 759 register struct sbdsp_softc *sc; 760 { 761 bus_space_tag_t iot = sc->sc_iot; 762 bus_space_handle_t ioh = sc->sc_ioh; 763 764 sc->sc_intr = 0; 765 if (sc->sc_dmadir != SB_DMA_NONE) { 766 isa_dmaabort(sc->sc_drq); 767 sc->sc_dmadir = SB_DMA_NONE; 768 } 769 sc->sc_last_hs_size = 0; 770 771 /* 772 * See SBK, section 11.3. 773 * We pulse a reset signal into the card. 774 * Gee, what a brilliant hardware design. 775 */ 776 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 1); 777 delay(10); 778 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 0); 779 delay(30); 780 if (sbdsp_rdsp(sc) != SB_MAGIC) 781 return -1; 782 783 return 0; 784 } 785 786 int 787 sbdsp16_wait(sc) 788 struct sbdsp_softc *sc; 789 { 790 bus_space_tag_t iot = sc->sc_iot; 791 bus_space_handle_t ioh = sc->sc_ioh; 792 register int i; 793 794 for (i = SBDSP_NPOLL; --i >= 0; ) { 795 register u_char x; 796 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 797 delay(10); 798 if ((x & SB_DSP_BUSY) == 0) 799 continue; 800 return 0; 801 } 802 ++sberr.wdsp; 803 return -1; 804 } 805 806 /* 807 * Write a byte to the dsp. 808 * XXX We are at the mercy of the card as we use a 809 * polling loop and wait until it can take the byte. 810 */ 811 int 812 sbdsp_wdsp(sc, v) 813 struct sbdsp_softc *sc; 814 int v; 815 { 816 bus_space_tag_t iot = sc->sc_iot; 817 bus_space_handle_t ioh = sc->sc_ioh; 818 register int i; 819 820 for (i = SBDSP_NPOLL; --i >= 0; ) { 821 register u_char x; 822 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 823 delay(10); 824 if ((x & SB_DSP_BUSY) != 0) 825 continue; 826 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, v); 827 delay(10); 828 return 0; 829 } 830 ++sberr.wdsp; 831 return -1; 832 } 833 834 /* 835 * Read a byte from the DSP, using polling. 836 */ 837 int 838 sbdsp_rdsp(sc) 839 struct sbdsp_softc *sc; 840 { 841 bus_space_tag_t iot = sc->sc_iot; 842 bus_space_handle_t ioh = sc->sc_ioh; 843 register int i; 844 845 for (i = SBDSP_NPOLL; --i >= 0; ) { 846 register u_char x; 847 x = bus_space_read_1(iot, ioh, SBP_DSP_RSTAT); 848 delay(10); 849 if ((x & SB_DSP_READY) == 0) 850 continue; 851 x = bus_space_read_1(iot, ioh, SBP_DSP_READ); 852 delay(10); 853 return x; 854 } 855 ++sberr.rdsp; 856 return -1; 857 } 858 859 /* 860 * Doing certain things (like toggling the speaker) make 861 * the SB hardware go away for a while, so pause a little. 862 */ 863 void 864 sbdsp_to(arg) 865 void *arg; 866 { 867 wakeup(arg); 868 } 869 870 void 871 sbdsp_pause(sc) 872 struct sbdsp_softc *sc; 873 { 874 extern int hz; 875 876 timeout(sbdsp_to, sbdsp_to, hz/8); 877 (void)tsleep(sbdsp_to, PWAIT, "sbpause", 0); 878 } 879 880 /* 881 * Turn on the speaker. The SBK documention says this operation 882 * can take up to 1/10 of a second. Higher level layers should 883 * probably let the task sleep for this amount of time after 884 * calling here. Otherwise, things might not work (because 885 * sbdsp_wdsp() and sbdsp_rdsp() will probably timeout.) 886 * 887 * These engineers had their heads up their ass when 888 * they designed this card. 889 */ 890 void 891 sbdsp_spkron(sc) 892 struct sbdsp_softc *sc; 893 { 894 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_ON); 895 sbdsp_pause(sc); 896 } 897 898 /* 899 * Turn off the speaker; see comment above. 900 */ 901 void 902 sbdsp_spkroff(sc) 903 struct sbdsp_softc *sc; 904 { 905 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_OFF); 906 sbdsp_pause(sc); 907 } 908 909 /* 910 * Read the version number out of the card. Return major code 911 * in high byte, and minor code in low byte. 912 */ 913 short 914 sbversion(sc) 915 struct sbdsp_softc *sc; 916 { 917 short v; 918 919 if (sbdsp_wdsp(sc, SB_DSP_VERSION) < 0) 920 return 0; 921 v = sbdsp_rdsp(sc) << 8; 922 v |= sbdsp_rdsp(sc); 923 return ((v >= 0) ? v : 0); 924 } 925 926 /* 927 * Halt a DMA in progress. A low-speed transfer can be 928 * resumed with sbdsp_contdma(). 929 */ 930 int 931 sbdsp_haltdma(addr) 932 void *addr; 933 { 934 register struct sbdsp_softc *sc = addr; 935 936 DPRINTF(("sbdsp_haltdma: sc=0x%x\n", sc)); 937 938 sbdsp_reset(sc); 939 return 0; 940 } 941 942 int 943 sbdsp_contdma(addr) 944 void *addr; 945 { 946 register struct sbdsp_softc *sc = addr; 947 948 DPRINTF(("sbdsp_contdma: sc=0x%x\n", sc)); 949 950 /* XXX how do we reinitialize the DMA controller state? do we care? */ 951 (void)sbdsp_wdsp(sc, SB_DSP_CONT); 952 return(0); 953 } 954 955 int 956 sbdsp16_setrate(sc, sr, isdac, ratep) 957 register struct sbdsp_softc *sc; 958 int sr; 959 int isdac; 960 int *ratep; 961 { 962 963 /* 964 * XXXX 965 * More checks here? 966 */ 967 if (sr < 5000 || sr > 45454) 968 return (EINVAL); 969 *ratep = sr; 970 return (0); 971 } 972 973 /* 974 * Convert a linear sampling rate into the DAC time constant. 975 * Set *mode to indicate the high/low-speed DMA operation. 976 * Because of limitations of the card, not all rates are possible. 977 * We return the time constant of the closest possible rate. 978 * The sampling rate limits are different for the DAC and ADC, 979 * so isdac indicates output, and !isdac indicates input. 980 */ 981 int 982 sbdsp_srtotc(sc, sr, isdac, tcp, modep) 983 register struct sbdsp_softc *sc; 984 int sr; 985 int isdac; 986 int *tcp, *modep; 987 { 988 int tc, realtc, mode; 989 990 /* 991 * Don't forget to compute which mode we'll be in based on whether 992 * we need to double the rate for stereo on SBPRO. 993 */ 994 995 if (sr == 0) { 996 tc = SB_LS_MIN; 997 mode = SB_ADAC_LS; 998 goto out; 999 } 1000 1001 tc = 256 - (1000000 / sr); 1002 1003 if (sc->sc_channels == 2 && ISSBPRO(sc)) 1004 /* compute based on 2x sample rate when needed */ 1005 realtc = 256 - ( 500000 / sr); 1006 else 1007 realtc = tc; 1008 1009 if (tc < SB_LS_MIN) { 1010 tc = SB_LS_MIN; 1011 mode = SB_ADAC_LS; /* NB: 2x minimum speed is still low 1012 * speed mode. */ 1013 goto out; 1014 } else if (isdac) { 1015 if (realtc <= SB_DAC_LS_MAX) 1016 mode = SB_ADAC_LS; 1017 else { 1018 mode = SB_ADAC_HS; 1019 if (tc > SB_DAC_HS_MAX) 1020 tc = SB_DAC_HS_MAX; 1021 } 1022 } else { 1023 int adc_ls_max, adc_hs_max; 1024 1025 /* XXX use better rounding--compare distance to nearest tc on both 1026 sides of requested speed */ 1027 if (ISSBPROCLASS(sc)) { 1028 adc_ls_max = SBPRO_ADC_LS_MAX; 1029 adc_hs_max = SBPRO_ADC_HS_MAX; 1030 } else { 1031 adc_ls_max = SBCLA_ADC_LS_MAX; 1032 adc_hs_max = SBCLA_ADC_HS_MAX; 1033 } 1034 1035 if (realtc <= adc_ls_max) 1036 mode = SB_ADAC_LS; 1037 else { 1038 mode = SB_ADAC_HS; 1039 if (tc > adc_hs_max) 1040 tc = adc_hs_max; 1041 } 1042 } 1043 1044 out: 1045 *tcp = tc; 1046 *modep = mode; 1047 return (0); 1048 } 1049 1050 /* 1051 * Convert a DAC time constant to a sampling rate. 1052 * See SBK, section 12. 1053 */ 1054 int 1055 sbdsp_tctosr(sc, tc) 1056 register struct sbdsp_softc *sc; 1057 int tc; 1058 { 1059 int adc; 1060 1061 if (ISSBPROCLASS(sc)) 1062 adc = SBPRO_ADC_HS_MAX; 1063 else 1064 adc = SBCLA_ADC_HS_MAX; 1065 1066 if (tc > adc) 1067 tc = adc; 1068 1069 return (1000000 / (256 - tc)); 1070 } 1071 1072 int 1073 sbdsp_set_timeconst(sc, tc) 1074 register struct sbdsp_softc *sc; 1075 int tc; 1076 { 1077 /* 1078 * A SBPro in stereo mode uses time constants at double the 1079 * actual rate. 1080 */ 1081 if (ISSBPRO(sc) && sc->sc_channels == 2) 1082 tc = 256 - ((256 - tc) / 2); 1083 1084 DPRINTF(("sbdsp_set_timeconst: sc=%p tc=%d\n", sc, tc)); 1085 1086 if (sbdsp_wdsp(sc, SB_DSP_TIMECONST) < 0 || 1087 sbdsp_wdsp(sc, tc) < 0) 1088 return (EIO); 1089 1090 return (0); 1091 } 1092 1093 int 1094 sbdsp_dma_input(addr, p, cc, intr, arg) 1095 void *addr; 1096 void *p; 1097 int cc; 1098 void (*intr) __P((void *)); 1099 void *arg; 1100 { 1101 register struct sbdsp_softc *sc = addr; 1102 1103 #ifdef AUDIO_DEBUG 1104 if (sbdspdebug > 1) 1105 Dprintf("sbdsp_dma_input: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1106 #endif 1107 if (sc->sc_channels == 2 && (cc & 1)) { 1108 DPRINTF(("sbdsp_dma_input: stereo input, odd bytecnt\n")); 1109 return EIO; 1110 } 1111 1112 if (sc->sc_dmadir != SB_DMA_IN) { 1113 if (ISSBPRO(sc)) { 1114 if (sc->sc_channels == 2) { 1115 if (ISJAZZ16(sc) && sc->sc_precision == 16) { 1116 if (sbdsp_wdsp(sc, 1117 JAZZ16_RECORD_STEREO) < 0) { 1118 goto badmode; 1119 } 1120 } else if (sbdsp_wdsp(sc, 1121 SB_DSP_RECORD_STEREO) < 0) 1122 goto badmode; 1123 sbdsp_mix_write(sc, SBP_INFILTER, 1124 (sbdsp_mix_read(sc, SBP_INFILTER) & 1125 ~SBP_IFILTER_MASK) | SBP_FILTER_OFF); 1126 } else { 1127 if (ISJAZZ16(sc) && sc->sc_precision == 16) { 1128 if (sbdsp_wdsp(sc, 1129 JAZZ16_RECORD_MONO) < 0) 1130 { 1131 goto badmode; 1132 } 1133 } else if (sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) 1134 goto badmode; 1135 sbdsp_mix_write(sc, SBP_INFILTER, 1136 (sbdsp_mix_read(sc, SBP_INFILTER) & 1137 ~SBP_IFILTER_MASK) | sc->in_filter); 1138 } 1139 } 1140 1141 if (ISSB16CLASS(sc)) { 1142 if (sbdsp_wdsp(sc, SB_DSP16_INPUTRATE) < 0 || 1143 sbdsp_wdsp(sc, sc->sc_irate >> 8) < 0 || 1144 sbdsp_wdsp(sc, sc->sc_irate) < 0) 1145 goto giveup; 1146 } else 1147 sbdsp_set_timeconst(sc, sc->sc_itc); 1148 sc->sc_dmadir = SB_DMA_IN; 1149 } 1150 1151 sc->sc_drq = sc->sc_precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 1152 isa_dmastart(DMAMODE_READ, p, cc, sc->sc_drq); 1153 sc->sc_intr = intr; 1154 sc->sc_arg = arg; 1155 sc->dmaflags = DMAMODE_READ; 1156 sc->dmaaddr = p; 1157 sc->dmacnt = cc; /* DMA controller is strange...? */ 1158 1159 if (sc->sc_precision == 16) 1160 cc >>= 1; 1161 --cc; 1162 if (ISSB16CLASS(sc)) { 1163 if (sbdsp_wdsp(sc, sc->sc_precision == 16 ? SB_DSP16_RDMA_16 : 1164 SB_DSP16_RDMA_8) < 0 || 1165 sbdsp_wdsp(sc, (sc->sc_precision == 16 ? 0x10 : 0x00) | 1166 (sc->sc_channels == 2 ? 0x20 : 0x00)) < 0 || 1167 sbdsp16_wait(sc) || 1168 sbdsp_wdsp(sc, cc) < 0 || 1169 sbdsp_wdsp(sc, cc >> 8) < 0) { 1170 DPRINTF(("sbdsp_dma_input: SB16 DMA start failed\n")); 1171 goto giveup; 1172 } 1173 } else if (sc->sc_imode == SB_ADAC_LS) { 1174 if (sbdsp_wdsp(sc, SB_DSP_RDMA) < 0 || 1175 sbdsp_wdsp(sc, cc) < 0 || 1176 sbdsp_wdsp(sc, cc >> 8) < 0) { 1177 DPRINTF(("sbdsp_dma_input: LS DMA start failed\n")); 1178 goto giveup; 1179 } 1180 } else { 1181 if (cc != sc->sc_last_hs_size) { 1182 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1183 sbdsp_wdsp(sc, cc) < 0 || 1184 sbdsp_wdsp(sc, cc >> 8) < 0) { 1185 DPRINTF(("sbdsp_dma_input: HS DMA start failed\n")); 1186 goto giveup; 1187 } 1188 sc->sc_last_hs_size = cc; 1189 } 1190 if (sbdsp_wdsp(sc, SB_DSP_HS_INPUT) < 0) { 1191 DPRINTF(("sbdsp_dma_input: HS DMA restart failed\n")); 1192 goto giveup; 1193 } 1194 } 1195 return 0; 1196 1197 giveup: 1198 sbdsp_reset(sc); 1199 return EIO; 1200 1201 badmode: 1202 DPRINTF(("sbdsp_dma_input: can't set %s mode\n", 1203 sc->sc_channels == 2 ? "stereo" : "mono")); 1204 return EIO; 1205 } 1206 1207 int 1208 sbdsp_dma_output(addr, p, cc, intr, arg) 1209 void *addr; 1210 void *p; 1211 int cc; 1212 void (*intr) __P((void *)); 1213 void *arg; 1214 { 1215 register struct sbdsp_softc *sc = addr; 1216 1217 #ifdef AUDIO_DEBUG 1218 if (sbdspdebug > 1) 1219 Dprintf("sbdsp_dma_output: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1220 #endif 1221 if (sc->sc_channels == 2 && (cc & 1)) { 1222 DPRINTF(("stereo playback odd bytes (%d)\n", cc)); 1223 return EIO; 1224 } 1225 1226 if (sc->sc_dmadir != SB_DMA_OUT) { 1227 if (ISSBPRO(sc)) { 1228 /* make sure we re-set stereo mixer bit when we start 1229 output. */ 1230 sbdsp_mix_write(sc, SBP_STEREO, 1231 (sbdsp_mix_read(sc, SBP_STEREO) & ~SBP_PLAYMODE_MASK) | 1232 (sc->sc_channels == 2 ? SBP_PLAYMODE_STEREO : SBP_PLAYMODE_MONO)); 1233 if (ISJAZZ16(sc)) { 1234 /* Yes, we write the record mode to set 1235 16-bit playback mode. weird, huh? */ 1236 if (sc->sc_precision == 16) { 1237 sbdsp_wdsp(sc, 1238 sc->sc_channels == 2 ? 1239 JAZZ16_RECORD_STEREO : 1240 JAZZ16_RECORD_MONO); 1241 } else { 1242 sbdsp_wdsp(sc, 1243 sc->sc_channels == 2 ? 1244 SB_DSP_RECORD_STEREO : 1245 SB_DSP_RECORD_MONO); 1246 } 1247 } 1248 } 1249 1250 if (ISSB16CLASS(sc)) { 1251 if (sbdsp_wdsp(sc, SB_DSP16_OUTPUTRATE) < 0 || 1252 sbdsp_wdsp(sc, sc->sc_orate >> 8) < 0 || 1253 sbdsp_wdsp(sc, sc->sc_orate) < 0) 1254 goto giveup; 1255 } else 1256 sbdsp_set_timeconst(sc, sc->sc_otc); 1257 sc->sc_dmadir = SB_DMA_OUT; 1258 } 1259 1260 sc->sc_drq = sc->sc_precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 1261 isa_dmastart(DMAMODE_WRITE, p, cc, sc->sc_drq); 1262 sc->sc_intr = intr; 1263 sc->sc_arg = arg; 1264 sc->dmaflags = DMAMODE_WRITE; 1265 sc->dmaaddr = p; 1266 sc->dmacnt = cc; /* a vagary of how DMA works, apparently. */ 1267 1268 if (sc->sc_precision == 16) 1269 cc >>= 1; 1270 --cc; 1271 if (ISSB16CLASS(sc)) { 1272 if (sbdsp_wdsp(sc, sc->sc_precision == 16 ? SB_DSP16_WDMA_16 : 1273 SB_DSP16_WDMA_8) < 0 || 1274 sbdsp_wdsp(sc, (sc->sc_precision == 16 ? 0x10 : 0x00) | 1275 (sc->sc_channels == 2 ? 0x20 : 0x00)) < 0 || 1276 sbdsp16_wait(sc) || 1277 sbdsp_wdsp(sc, cc) < 0 || 1278 sbdsp_wdsp(sc, cc >> 8) < 0) { 1279 DPRINTF(("sbdsp_dma_output: SB16 DMA start failed\n")); 1280 goto giveup; 1281 } 1282 } else if (sc->sc_omode == SB_ADAC_LS) { 1283 if (sbdsp_wdsp(sc, SB_DSP_WDMA) < 0 || 1284 sbdsp_wdsp(sc, cc) < 0 || 1285 sbdsp_wdsp(sc, cc >> 8) < 0) { 1286 DPRINTF(("sbdsp_dma_output: LS DMA start failed\n")); 1287 goto giveup; 1288 } 1289 } else { 1290 if (cc != sc->sc_last_hs_size) { 1291 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1292 sbdsp_wdsp(sc, cc) < 0 || 1293 sbdsp_wdsp(sc, cc >> 8) < 0) { 1294 DPRINTF(("sbdsp_dma_output: HS DMA start failed\n")); 1295 goto giveup; 1296 } 1297 sc->sc_last_hs_size = cc; 1298 } 1299 if (sbdsp_wdsp(sc, SB_DSP_HS_OUTPUT) < 0) { 1300 DPRINTF(("sbdsp_dma_output: HS DMA restart failed\n")); 1301 goto giveup; 1302 } 1303 } 1304 return 0; 1305 1306 giveup: 1307 sbdsp_reset(sc); 1308 return EIO; 1309 } 1310 1311 /* 1312 * Only the DSP unit on the sound blaster generates interrupts. 1313 * There are three cases of interrupt: reception of a midi byte 1314 * (when mode is enabled), completion of dma transmission, or 1315 * completion of a dma reception. The three modes are mutually 1316 * exclusive so we know a priori which event has occurred. 1317 */ 1318 int 1319 sbdsp_intr(arg) 1320 void *arg; 1321 { 1322 register struct sbdsp_softc *sc = arg; 1323 u_char x; 1324 1325 #ifdef AUDIO_DEBUG 1326 if (sbdspdebug > 1) 1327 Dprintf("sbdsp_intr: intr=0x%x\n", sc->sc_intr); 1328 #endif 1329 if (!isa_dmafinished(sc->sc_drq)) { 1330 printf("sbdsp_intr: not finished\n"); 1331 return 0; 1332 } 1333 sc->sc_interrupts++; 1334 delay(10); 1335 #if 0 1336 if (sc->sc_mintr != 0) { 1337 x = sbdsp_rdsp(sc); 1338 (*sc->sc_mintr)(sc->sc_arg, x); 1339 } else 1340 #endif 1341 if (sc->sc_intr != 0) { 1342 /* clear interrupt */ 1343 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, 1344 sc->sc_precision == 16 ? SBP_DSP_IRQACK16 : 1345 SBP_DSP_IRQACK8); 1346 isa_dmadone(sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->sc_drq); 1347 (*sc->sc_intr)(sc->sc_arg); 1348 } else { 1349 return 0; 1350 } 1351 return 1; 1352 } 1353 1354 #if 0 1355 /* 1356 * Enter midi uart mode and arrange for read interrupts 1357 * to vector to `intr'. This puts the card in a mode 1358 * which allows only midi I/O; the card must be reset 1359 * to leave this mode. Unfortunately, the card does not 1360 * use transmit interrupts, so bytes must be output 1361 * using polling. To keep the polling overhead to a 1362 * minimum, output should be driven off a timer. 1363 * This is a little tricky since only 320us separate 1364 * consecutive midi bytes. 1365 */ 1366 void 1367 sbdsp_set_midi_mode(sc, intr, arg) 1368 struct sbdsp_softc *sc; 1369 void (*intr)(); 1370 void *arg; 1371 { 1372 1373 sbdsp_wdsp(sc, SB_MIDI_UART_INTR); 1374 sc->sc_mintr = intr; 1375 sc->sc_intr = 0; 1376 sc->sc_arg = arg; 1377 } 1378 1379 /* 1380 * Write a byte to the midi port, when in midi uart mode. 1381 */ 1382 void 1383 sbdsp_midi_output(sc, v) 1384 struct sbdsp_softc *sc; 1385 int v; 1386 { 1387 1388 if (sbdsp_wdsp(sc, v) < 0) 1389 ++sberr.wmidi; 1390 } 1391 #endif 1392 1393 int 1394 sbdsp_setfd(addr, flag) 1395 void *addr; 1396 int flag; 1397 { 1398 /* Can't do full-duplex */ 1399 return(ENOTTY); 1400 } 1401 1402 int 1403 sbdsp_mixer_set_port(addr, cp) 1404 void *addr; 1405 mixer_ctrl_t *cp; 1406 { 1407 register struct sbdsp_softc *sc = addr; 1408 int src, gain; 1409 1410 DPRINTF(("sbdsp_mixer_set_port: port=%d num_channels=%d\n", cp->dev, 1411 cp->un.value.num_channels)); 1412 1413 if (!ISSBPROCLASS(sc)) 1414 return EINVAL; 1415 1416 /* 1417 * Everything is a value except for SBPro BASS/TREBLE and 1418 * RECORD_SOURCE 1419 */ 1420 switch (cp->dev) { 1421 case SB_SPEAKER: 1422 cp->dev = SB_MASTER_VOL; 1423 case SB_MIC_PORT: 1424 case SB_LINE_IN_PORT: 1425 case SB_DAC_PORT: 1426 case SB_FM_PORT: 1427 case SB_CD_PORT: 1428 case SB_MASTER_VOL: 1429 if (cp->type != AUDIO_MIXER_VALUE) 1430 return EINVAL; 1431 1432 /* 1433 * All the mixer ports are stereo except for the microphone. 1434 * If we get a single-channel gain value passed in, then we 1435 * duplicate it to both left and right channels. 1436 */ 1437 1438 switch (cp->dev) { 1439 case SB_MIC_PORT: 1440 if (cp->un.value.num_channels != 1) 1441 return EINVAL; 1442 1443 /* handle funny microphone gain */ 1444 gain = SBP_AGAIN_TO_MICGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1445 break; 1446 case SB_LINE_IN_PORT: 1447 case SB_DAC_PORT: 1448 case SB_FM_PORT: 1449 case SB_CD_PORT: 1450 case SB_MASTER_VOL: 1451 switch (cp->un.value.num_channels) { 1452 case 1: 1453 gain = sbdsp_mono_vol(SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO])); 1454 break; 1455 case 2: 1456 gain = sbdsp_stereo_vol(SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]), 1457 SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT])); 1458 break; 1459 default: 1460 return EINVAL; 1461 } 1462 break; 1463 default: 1464 return EINVAL; 1465 } 1466 1467 switch (cp->dev) { 1468 case SB_MIC_PORT: 1469 src = SBP_MIC_VOL; 1470 break; 1471 case SB_MASTER_VOL: 1472 src = SBP_MASTER_VOL; 1473 break; 1474 case SB_LINE_IN_PORT: 1475 src = SBP_LINE_VOL; 1476 break; 1477 case SB_DAC_PORT: 1478 src = SBP_DAC_VOL; 1479 break; 1480 case SB_FM_PORT: 1481 src = SBP_FM_VOL; 1482 break; 1483 case SB_CD_PORT: 1484 src = SBP_CD_VOL; 1485 break; 1486 default: 1487 return EINVAL; 1488 } 1489 1490 sbdsp_mix_write(sc, src, gain); 1491 sc->gain[cp->dev] = gain; 1492 break; 1493 1494 case SB_TREBLE: 1495 case SB_BASS: 1496 case SB_RECORD_SOURCE: 1497 if (cp->type != AUDIO_MIXER_ENUM) 1498 return EINVAL; 1499 1500 switch (cp->dev) { 1501 case SB_TREBLE: 1502 return sbdsp_set_ifilter(addr, cp->un.ord ? SBP_TREBLE_EQ : 0); 1503 case SB_BASS: 1504 return sbdsp_set_ifilter(addr, cp->un.ord ? SBP_BASS_EQ : 0); 1505 case SB_RECORD_SOURCE: 1506 return sbdsp_set_in_port(addr, cp->un.ord); 1507 } 1508 1509 break; 1510 1511 default: 1512 return EINVAL; 1513 } 1514 1515 return (0); 1516 } 1517 1518 int 1519 sbdsp_mixer_get_port(addr, cp) 1520 void *addr; 1521 mixer_ctrl_t *cp; 1522 { 1523 register struct sbdsp_softc *sc = addr; 1524 int gain; 1525 1526 DPRINTF(("sbdsp_mixer_get_port: port=%d", cp->dev)); 1527 1528 if (!ISSBPROCLASS(sc)) 1529 return EINVAL; 1530 1531 switch (cp->dev) { 1532 case SB_SPEAKER: 1533 cp->dev = SB_MASTER_VOL; 1534 case SB_MIC_PORT: 1535 case SB_LINE_IN_PORT: 1536 case SB_DAC_PORT: 1537 case SB_FM_PORT: 1538 case SB_CD_PORT: 1539 case SB_MASTER_VOL: 1540 gain = sc->gain[cp->dev]; 1541 1542 switch (cp->dev) { 1543 case SB_MIC_PORT: 1544 if (cp->un.value.num_channels != 1) 1545 return EINVAL; 1546 1547 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = SBP_MICGAIN_TO_AGAIN(gain); 1548 break; 1549 case SB_LINE_IN_PORT: 1550 case SB_DAC_PORT: 1551 case SB_FM_PORT: 1552 case SB_CD_PORT: 1553 case SB_MASTER_VOL: 1554 switch (cp->un.value.num_channels) { 1555 case 1: 1556 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = SBP_SBGAIN_TO_AGAIN(gain); 1557 break; 1558 case 2: 1559 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = SBP_LEFTGAIN(gain); 1560 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = SBP_RIGHTGAIN(gain); 1561 break; 1562 default: 1563 return EINVAL; 1564 } 1565 break; 1566 } 1567 1568 break; 1569 1570 case SB_TREBLE: 1571 case SB_BASS: 1572 case SB_RECORD_SOURCE: 1573 switch (cp->dev) { 1574 case SB_TREBLE: 1575 cp->un.ord = sbdsp_get_ifilter(addr) == SBP_TREBLE_EQ; 1576 return 0; 1577 case SB_BASS: 1578 cp->un.ord = sbdsp_get_ifilter(addr) == SBP_BASS_EQ; 1579 return 0; 1580 case SB_RECORD_SOURCE: 1581 cp->un.ord = sbdsp_get_in_port(addr); 1582 return 0; 1583 } 1584 1585 break; 1586 1587 default: 1588 return EINVAL; 1589 } 1590 1591 return (0); 1592 } 1593 1594 int 1595 sbdsp_mixer_query_devinfo(addr, dip) 1596 void *addr; 1597 register mixer_devinfo_t *dip; 1598 { 1599 register struct sbdsp_softc *sc = addr; 1600 1601 DPRINTF(("sbdsp_mixer_query_devinfo: index=%d\n", dip->index)); 1602 1603 switch (dip->index) { 1604 case SB_MIC_PORT: 1605 dip->type = AUDIO_MIXER_VALUE; 1606 dip->mixer_class = SB_INPUT_CLASS; 1607 dip->prev = AUDIO_MIXER_LAST; 1608 dip->next = AUDIO_MIXER_LAST; 1609 strcpy(dip->label.name, AudioNmicrophone); 1610 dip->un.v.num_channels = 1; 1611 strcpy(dip->un.v.units.name, AudioNvolume); 1612 return 0; 1613 1614 case SB_SPEAKER: 1615 dip->type = AUDIO_MIXER_VALUE; 1616 dip->mixer_class = SB_OUTPUT_CLASS; 1617 dip->prev = AUDIO_MIXER_LAST; 1618 dip->next = AUDIO_MIXER_LAST; 1619 strcpy(dip->label.name, AudioNspeaker); 1620 dip->un.v.num_channels = 1; 1621 strcpy(dip->un.v.units.name, AudioNvolume); 1622 return 0; 1623 1624 case SB_INPUT_CLASS: 1625 dip->type = AUDIO_MIXER_CLASS; 1626 dip->mixer_class = SB_INPUT_CLASS; 1627 dip->next = dip->prev = AUDIO_MIXER_LAST; 1628 strcpy(dip->label.name, AudioCInputs); 1629 return 0; 1630 1631 case SB_OUTPUT_CLASS: 1632 dip->type = AUDIO_MIXER_CLASS; 1633 dip->mixer_class = SB_OUTPUT_CLASS; 1634 dip->next = dip->prev = AUDIO_MIXER_LAST; 1635 strcpy(dip->label.name, AudioCOutputs); 1636 return 0; 1637 } 1638 1639 if (ISSBPROCLASS(sc)) { 1640 switch (dip->index) { 1641 case SB_LINE_IN_PORT: 1642 dip->type = AUDIO_MIXER_VALUE; 1643 dip->mixer_class = SB_INPUT_CLASS; 1644 dip->prev = AUDIO_MIXER_LAST; 1645 dip->next = AUDIO_MIXER_LAST; 1646 strcpy(dip->label.name, AudioNline); 1647 dip->un.v.num_channels = 2; 1648 strcpy(dip->un.v.units.name, AudioNvolume); 1649 return 0; 1650 1651 case SB_DAC_PORT: 1652 dip->type = AUDIO_MIXER_VALUE; 1653 dip->mixer_class = SB_INPUT_CLASS; 1654 dip->prev = AUDIO_MIXER_LAST; 1655 dip->next = AUDIO_MIXER_LAST; 1656 strcpy(dip->label.name, AudioNdac); 1657 dip->un.v.num_channels = 2; 1658 strcpy(dip->un.v.units.name, AudioNvolume); 1659 return 0; 1660 1661 case SB_CD_PORT: 1662 dip->type = AUDIO_MIXER_VALUE; 1663 dip->mixer_class = SB_INPUT_CLASS; 1664 dip->prev = AUDIO_MIXER_LAST; 1665 dip->next = AUDIO_MIXER_LAST; 1666 strcpy(dip->label.name, AudioNcd); 1667 dip->un.v.num_channels = 2; 1668 strcpy(dip->un.v.units.name, AudioNvolume); 1669 return 0; 1670 1671 case SB_FM_PORT: 1672 dip->type = AUDIO_MIXER_VALUE; 1673 dip->mixer_class = SB_INPUT_CLASS; 1674 dip->prev = AUDIO_MIXER_LAST; 1675 dip->next = AUDIO_MIXER_LAST; 1676 strcpy(dip->label.name, AudioNfmsynth); 1677 dip->un.v.num_channels = 2; 1678 strcpy(dip->un.v.units.name, AudioNvolume); 1679 return 0; 1680 1681 case SB_MASTER_VOL: 1682 dip->type = AUDIO_MIXER_VALUE; 1683 dip->mixer_class = SB_OUTPUT_CLASS; 1684 dip->prev = AUDIO_MIXER_LAST; 1685 dip->next = AUDIO_MIXER_LAST; 1686 strcpy(dip->label.name, AudioNvolume); 1687 dip->un.v.num_channels = 2; 1688 strcpy(dip->un.v.units.name, AudioNvolume); 1689 return 0; 1690 1691 case SB_RECORD_SOURCE: 1692 dip->mixer_class = SB_RECORD_CLASS; 1693 dip->type = AUDIO_MIXER_ENUM; 1694 dip->prev = AUDIO_MIXER_LAST; 1695 dip->next = AUDIO_MIXER_LAST; 1696 strcpy(dip->label.name, AudioNsource); 1697 dip->un.e.num_mem = 3; 1698 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone); 1699 dip->un.e.member[0].ord = SB_MIC_PORT; 1700 strcpy(dip->un.e.member[1].label.name, AudioNcd); 1701 dip->un.e.member[1].ord = SB_CD_PORT; 1702 strcpy(dip->un.e.member[2].label.name, AudioNline); 1703 dip->un.e.member[2].ord = SB_LINE_IN_PORT; 1704 return 0; 1705 1706 case SB_BASS: 1707 dip->type = AUDIO_MIXER_ENUM; 1708 dip->mixer_class = SB_INPUT_CLASS; 1709 dip->prev = AUDIO_MIXER_LAST; 1710 dip->next = AUDIO_MIXER_LAST; 1711 strcpy(dip->label.name, AudioNbass); 1712 dip->un.e.num_mem = 2; 1713 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1714 dip->un.e.member[0].ord = 0; 1715 strcpy(dip->un.e.member[1].label.name, AudioNon); 1716 dip->un.e.member[1].ord = 1; 1717 return 0; 1718 1719 case SB_TREBLE: 1720 dip->type = AUDIO_MIXER_ENUM; 1721 dip->mixer_class = SB_INPUT_CLASS; 1722 dip->prev = AUDIO_MIXER_LAST; 1723 dip->next = AUDIO_MIXER_LAST; 1724 strcpy(dip->label.name, AudioNtreble); 1725 dip->un.e.num_mem = 2; 1726 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1727 dip->un.e.member[0].ord = 0; 1728 strcpy(dip->un.e.member[1].label.name, AudioNon); 1729 dip->un.e.member[1].ord = 1; 1730 return 0; 1731 1732 case SB_RECORD_CLASS: /* record source class */ 1733 dip->type = AUDIO_MIXER_CLASS; 1734 dip->mixer_class = SB_RECORD_CLASS; 1735 dip->next = dip->prev = AUDIO_MIXER_LAST; 1736 strcpy(dip->label.name, AudioCRecord); 1737 return 0; 1738 } 1739 } 1740 1741 return ENXIO; 1742 } 1743
Indexes created Thu Sep 25 16:09:42 GMT 2025