sbdsp.c revision 1.34
1 /* $NetBSD: sbdsp.c,v 1.34 1997/03/20 06:48:58 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 sbdsp_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 iobase %x\n", 142 sc->sc_open, sc->sc_drq, 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_drq] == (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 if (sbdsp_wdsp(sc, JAZZ16_SET_DMAINTR) || 224 /* set both 8 & 16-bit drq to same channel, it works fine. */ 225 sbdsp_wdsp(sc, (jazz16_drq_conf[sc->sc_drq] << 4) | 226 jazz16_drq_conf[sc->sc_drq]) || 227 sbdsp_wdsp(sc, jazz16_irq_conf[sc->sc_irq])) 228 DPRINTF(("sbdsp: can't write jazz16 probe stuff")); 229 else 230 rval |= MODEL_JAZZ16; 231 232 done: 233 bus_space_unmap(iot, ioh, 1); 234 return rval; 235 } 236 237 /* 238 * Attach hardware to driver, attach hardware driver to audio 239 * pseudo-device driver . 240 */ 241 void 242 sbdsp_attach(sc) 243 struct sbdsp_softc *sc; 244 { 245 246 /* Set defaults */ 247 if (ISSB16CLASS(sc)) 248 sc->sc_irate = sc->sc_orate = 8000; 249 else if (ISSBPROCLASS(sc)) 250 sc->sc_itc = sc->sc_otc = SB_8K; 251 else 252 sc->sc_itc = sc->sc_otc = SB_8K; 253 sc->sc_encoding = AUDIO_ENCODING_ULAW; 254 sc->sc_precision = 8; 255 sc->sc_channels = 1; 256 257 (void) sbdsp_set_in_port(sc, SB_MIC_PORT); 258 (void) sbdsp_set_out_port(sc, SB_SPEAKER); 259 260 if (ISSBPROCLASS(sc)) { 261 int i; 262 263 /* set mixer to default levels, by sending a mixer 264 reset command. */ 265 sbdsp_mix_write(sc, SBP_MIX_RESET, SBP_MIX_RESET); 266 /* then some adjustments :) */ 267 sbdsp_mix_write(sc, SBP_CD_VOL, 268 sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL)); 269 sbdsp_mix_write(sc, SBP_DAC_VOL, 270 sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL)); 271 sbdsp_mix_write(sc, SBP_MASTER_VOL, 272 sbdsp_stereo_vol(SBP_MAXVOL/2, SBP_MAXVOL/2)); 273 sbdsp_mix_write(sc, SBP_LINE_VOL, 274 sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL)); 275 for (i = 0; i < SB_NDEVS; i++) 276 sc->gain[i] = sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL); 277 sc->in_filter = 0; /* no filters turned on, please */ 278 } 279 280 printf(": dsp v%d.%02d%s\n", 281 SBVER_MAJOR(sc->sc_model), SBVER_MINOR(sc->sc_model), 282 ISJAZZ16(sc) ? ": <Jazz16>" : ""); 283 284 #ifdef notyet 285 sbdsp_mix_write(sc, SBP_SET_IRQ, 0x04); 286 sbdsp_mix_write(sc, SBP_SET_DRQ, 0x22); 287 288 printf("sbdsp_attach: irq=%02x, drq=%02x\n", 289 sbdsp_mix_read(sc, SBP_SET_IRQ), 290 sbdsp_mix_read(sc, SBP_SET_DRQ)); 291 #else 292 if (ISSB16CLASS(sc)) 293 sc->sc_model = 0x0300; 294 #endif 295 } 296 297 /* 298 * Various routines to interface to higher level audio driver 299 */ 300 301 void 302 sbdsp_mix_write(sc, mixerport, val) 303 struct sbdsp_softc *sc; 304 int mixerport; 305 int val; 306 { 307 bus_space_tag_t iot = sc->sc_iot; 308 bus_space_handle_t ioh = sc->sc_ioh; 309 310 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 311 delay(10); 312 bus_space_write_1(iot, ioh, SBP_MIXER_DATA, val); 313 delay(30); 314 } 315 316 int 317 sbdsp_mix_read(sc, mixerport) 318 struct sbdsp_softc *sc; 319 int mixerport; 320 { 321 bus_space_tag_t iot = sc->sc_iot; 322 bus_space_handle_t ioh = sc->sc_ioh; 323 324 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 325 delay(10); 326 return bus_space_read_1(iot, ioh, SBP_MIXER_DATA); 327 } 328 329 int 330 sbdsp_set_in_sr(addr, sr) 331 void *addr; 332 u_long sr; 333 { 334 register struct sbdsp_softc *sc = addr; 335 336 if (ISSB16CLASS(sc)) 337 return (sbdsp_setrate(sc, sr, SB_INPUT_RATE, &sc->sc_irate)); 338 else 339 return (sbdsp_srtotc(sc, sr, SB_INPUT_RATE, &sc->sc_itc, &sc->sc_imode)); 340 } 341 342 u_long 343 sbdsp_get_in_sr(addr) 344 void *addr; 345 { 346 register struct sbdsp_softc *sc = addr; 347 348 if (ISSB16CLASS(sc)) 349 return (sc->sc_irate); 350 else 351 return (sbdsp_tctosr(sc, sc->sc_itc)); 352 } 353 354 int 355 sbdsp_set_out_sr(addr, sr) 356 void *addr; 357 u_long sr; 358 { 359 register struct sbdsp_softc *sc = addr; 360 361 if (ISSB16CLASS(sc)) 362 return (sbdsp_setrate(sc, sr, SB_OUTPUT_RATE, &sc->sc_orate)); 363 else 364 return (sbdsp_srtotc(sc, sr, SB_OUTPUT_RATE, &sc->sc_otc, &sc->sc_omode)); 365 } 366 367 u_long 368 sbdsp_get_out_sr(addr) 369 void *addr; 370 { 371 register struct sbdsp_softc *sc = addr; 372 373 if (ISSB16CLASS(sc)) 374 return (sc->sc_orate); 375 else 376 return (sbdsp_tctosr(sc, sc->sc_otc)); 377 } 378 379 int 380 sbdsp_query_encoding(addr, fp) 381 void *addr; 382 struct audio_encoding *fp; 383 { 384 switch (fp->index) { 385 case 0: 386 strcpy(fp->name, AudioEmulaw); 387 fp->format_id = AUDIO_ENCODING_ULAW; 388 break; 389 case 1: 390 strcpy(fp->name, AudioEpcm16); 391 fp->format_id = AUDIO_ENCODING_PCM16; 392 break; 393 default: 394 return (EINVAL); 395 } 396 return (0); 397 } 398 399 int 400 sbdsp_set_format(addr, encoding, precision) 401 void *addr; 402 u_int encoding, precision; 403 { 404 register struct sbdsp_softc *sc = addr; 405 406 switch (encoding) { 407 case AUDIO_ENCODING_ULAW: 408 case AUDIO_ENCODING_PCM16: 409 case AUDIO_ENCODING_PCM8: 410 break; 411 default: 412 return (EINVAL); 413 } 414 415 if (precision == 16) 416 if (!ISSB16CLASS(sc) && !ISJAZZ16(sc)) 417 return (EINVAL); 418 419 sc->sc_encoding = encoding; 420 sc->sc_precision = precision; 421 422 return (0); 423 } 424 425 int 426 sbdsp_get_encoding(addr) 427 void *addr; 428 { 429 register struct sbdsp_softc *sc = addr; 430 431 return (sc->sc_encoding); 432 } 433 434 int 435 sbdsp_get_precision(addr) 436 void *addr; 437 { 438 register struct sbdsp_softc *sc = addr; 439 440 return (sc->sc_precision); 441 } 442 443 int 444 sbdsp_set_channels(addr, channels) 445 void *addr; 446 int channels; 447 { 448 register struct sbdsp_softc *sc = addr; 449 450 if (ISSBPROCLASS(sc)) { 451 if (channels != 1 && channels != 2) 452 return (EINVAL); 453 sc->sc_channels = channels; 454 sc->sc_dmadir = SB_DMA_NONE; 455 /* 456 * XXXX 457 * With 2 channels, SBPro can't do more than 22kHz. 458 * No framework to check this. 459 */ 460 } else { 461 if (channels != 1) 462 return (EINVAL); 463 sc->sc_channels = channels; 464 } 465 466 return (0); 467 } 468 469 int 470 sbdsp_get_channels(addr) 471 void *addr; 472 { 473 register struct sbdsp_softc *sc = addr; 474 475 return (sc->sc_channels); 476 } 477 478 int 479 sbdsp_set_ifilter(addr, which) 480 void *addr; 481 int which; 482 { 483 register struct sbdsp_softc *sc = addr; 484 int mixval; 485 486 if (ISSBPROCLASS(sc)) { 487 mixval = sbdsp_mix_read(sc, SBP_INFILTER) & ~SBP_IFILTER_MASK; 488 switch (which) { 489 case 0: 490 mixval |= SBP_FILTER_OFF; 491 break; 492 case SBP_TREBLE_EQ: 493 mixval |= SBP_FILTER_ON | SBP_IFILTER_HIGH; 494 break; 495 case SBP_BASS_EQ: 496 mixval |= SBP_FILTER_ON | SBP_IFILTER_LOW; 497 break; 498 default: 499 return (EINVAL); 500 } 501 sc->in_filter = mixval & SBP_IFILTER_MASK; 502 sbdsp_mix_write(sc, SBP_INFILTER, mixval); 503 return (0); 504 } else 505 return (EINVAL); 506 } 507 508 int 509 sbdsp_get_ifilter(addr) 510 void *addr; 511 { 512 register struct sbdsp_softc *sc = addr; 513 514 if (ISSBPROCLASS(sc)) { 515 sc->in_filter = 516 sbdsp_mix_read(sc, SBP_INFILTER) & SBP_IFILTER_MASK; 517 switch (sc->in_filter) { 518 case SBP_FILTER_ON|SBP_IFILTER_HIGH: 519 return (SBP_TREBLE_EQ); 520 case SBP_FILTER_ON|SBP_IFILTER_LOW: 521 return (SBP_BASS_EQ); 522 case SBP_FILTER_OFF: 523 default: 524 return (0); 525 } 526 } else 527 return (0); 528 } 529 530 int 531 sbdsp_set_out_port(addr, port) 532 void *addr; 533 int port; 534 { 535 register struct sbdsp_softc *sc = addr; 536 537 sc->out_port = port; /* Just record it */ 538 539 return (0); 540 } 541 542 int 543 sbdsp_get_out_port(addr) 544 void *addr; 545 { 546 register struct sbdsp_softc *sc = addr; 547 548 return (sc->out_port); 549 } 550 551 552 int 553 sbdsp_set_in_port(addr, port) 554 void *addr; 555 int port; 556 { 557 register struct sbdsp_softc *sc = addr; 558 int mixport, sbport; 559 560 if (ISSBPROCLASS(sc)) { 561 switch (port) { 562 case SB_MIC_PORT: 563 sbport = SBP_FROM_MIC; 564 mixport = SBP_MIC_VOL; 565 break; 566 case SB_LINE_IN_PORT: 567 sbport = SBP_FROM_LINE; 568 mixport = SBP_LINE_VOL; 569 break; 570 case SB_CD_PORT: 571 sbport = SBP_FROM_CD; 572 mixport = SBP_CD_VOL; 573 break; 574 case SB_DAC_PORT: 575 case SB_FM_PORT: 576 default: 577 return (EINVAL); 578 } 579 } else { 580 switch (port) { 581 case SB_MIC_PORT: 582 sbport = SBP_FROM_MIC; 583 mixport = SBP_MIC_VOL; 584 break; 585 default: 586 return (EINVAL); 587 } 588 } 589 590 sc->in_port = port; /* Just record it */ 591 592 if (ISSBPROCLASS(sc)) { 593 /* record from that port */ 594 sbdsp_mix_write(sc, SBP_RECORD_SOURCE, 595 SBP_RECORD_FROM(sbport, SBP_FILTER_OFF, SBP_IFILTER_HIGH)); 596 /* fetch gain from that port */ 597 sc->gain[port] = sbdsp_mix_read(sc, mixport); 598 } 599 600 return (0); 601 } 602 603 int 604 sbdsp_get_in_port(addr) 605 void *addr; 606 { 607 register struct sbdsp_softc *sc = addr; 608 609 return (sc->in_port); 610 } 611 612 613 int 614 sbdsp_speaker_ctl(addr, newstate) 615 void *addr; 616 int newstate; 617 { 618 register struct sbdsp_softc *sc = addr; 619 620 if ((newstate == SPKR_ON) && 621 (sc->spkr_state == SPKR_OFF)) { 622 sbdsp_spkron(sc); 623 sc->spkr_state = SPKR_ON; 624 } 625 if ((newstate == SPKR_OFF) && 626 (sc->spkr_state == SPKR_ON)) { 627 sbdsp_spkroff(sc); 628 sc->spkr_state = SPKR_OFF; 629 } 630 return(0); 631 } 632 633 int 634 sbdsp_round_blocksize(addr, blk) 635 void *addr; 636 int blk; 637 { 638 register struct sbdsp_softc *sc = addr; 639 640 sc->sc_last_hs_size = 0; 641 642 /* Higher speeds need bigger blocks to avoid popping and silence gaps. */ 643 if (blk < NBPG/4 || blk > NBPG/2) { 644 if (ISSB16CLASS(sc)) { 645 if (sc->sc_orate > 8000 || sc->sc_irate > 8000) 646 blk = NBPG/2; 647 } else { 648 if (sc->sc_otc > SB_8K || sc->sc_itc < SB_8K) 649 blk = NBPG/2; 650 } 651 } 652 /* don't try to DMA too much at once, though. */ 653 if (blk > NBPG) 654 blk = NBPG; 655 if (sc->sc_channels == 2) 656 return (blk & ~1); /* must be even to preserve stereo separation */ 657 else 658 return (blk); /* Anything goes :-) */ 659 } 660 661 int 662 sbdsp_commit_settings(addr) 663 void *addr; 664 { 665 register struct sbdsp_softc *sc = addr; 666 667 /* due to potentially unfortunate ordering in the above layers, 668 re-do a few sets which may be important--input gains 669 (adjust the proper channels), number of input channels (hit the 670 record rate and set mode) */ 671 672 if (ISSBPRO(sc)) { 673 /* 674 * With 2 channels, SBPro can't do more than 22kHz. 675 * Whack the rates down to speed if necessary. 676 * Reset the time constant anyway 677 * because it may have been adjusted with a different number 678 * of channels, which means it might have computed the wrong 679 * mode (low/high speed). 680 */ 681 if (sc->sc_channels == 2 && 682 sbdsp_tctosr(sc, sc->sc_itc) > 22727) { 683 sbdsp_srtotc(sc, 22727, SB_INPUT_RATE, 684 &sc->sc_itc, &sc->sc_imode); 685 } else 686 sbdsp_srtotc(sc, sbdsp_tctosr(sc, sc->sc_itc), 687 SB_INPUT_RATE, &sc->sc_itc, 688 &sc->sc_imode); 689 690 if (sc->sc_channels == 2 && 691 sbdsp_tctosr(sc, sc->sc_otc) > 22727) { 692 sbdsp_srtotc(sc, 22727, SB_OUTPUT_RATE, 693 &sc->sc_otc, &sc->sc_omode); 694 } else 695 sbdsp_srtotc(sc, sbdsp_tctosr(sc, sc->sc_otc), 696 SB_OUTPUT_RATE, &sc->sc_otc, 697 &sc->sc_omode); 698 } 699 700 /* 701 * XXX 702 * Should wait for chip to be idle. 703 */ 704 sc->sc_dmadir = SB_DMA_NONE; 705 706 return 0; 707 } 708 709 710 int 711 sbdsp_open(sc, dev, flags) 712 register struct sbdsp_softc *sc; 713 dev_t dev; 714 int flags; 715 { 716 DPRINTF(("sbdsp_open: sc=0x%x\n", sc)); 717 718 if (sc->sc_open != 0 || sbdsp_reset(sc) != 0) 719 return ENXIO; 720 721 sc->sc_open = 1; 722 sc->sc_mintr = 0; 723 if (ISSBPROCLASS(sc) && 724 sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) { 725 DPRINTF(("sbdsp_open: can't set mono mode\n")); 726 /* we'll readjust when it's time for DMA. */ 727 } 728 729 /* 730 * Leave most things as they were; users must change things if 731 * the previous process didn't leave it they way they wanted. 732 * Looked at another way, it's easy to set up a configuration 733 * in one program and leave it for another to inherit. 734 */ 735 DPRINTF(("sbdsp_open: opened\n")); 736 737 return 0; 738 } 739 740 void 741 sbdsp_close(addr) 742 void *addr; 743 { 744 struct sbdsp_softc *sc = addr; 745 746 DPRINTF(("sbdsp_close: sc=0x%x\n", sc)); 747 748 sc->sc_open = 0; 749 sbdsp_spkroff(sc); 750 sc->spkr_state = SPKR_OFF; 751 sc->sc_mintr = 0; 752 sbdsp_haltdma(sc); 753 754 DPRINTF(("sbdsp_close: closed\n")); 755 } 756 757 /* 758 * Lower-level routines 759 */ 760 761 /* 762 * Reset the card. 763 * Return non-zero if the card isn't detected. 764 */ 765 int 766 sbdsp_reset(sc) 767 register struct sbdsp_softc *sc; 768 { 769 bus_space_tag_t iot = sc->sc_iot; 770 bus_space_handle_t ioh = sc->sc_ioh; 771 772 sc->sc_intr = 0; 773 if (sc->sc_dmadir != SB_DMA_NONE) { 774 isa_dmaabort(sc->sc_drq); 775 sc->sc_dmadir = SB_DMA_NONE; 776 } 777 sc->sc_last_hs_size = 0; 778 779 /* 780 * See SBK, section 11.3. 781 * We pulse a reset signal into the card. 782 * Gee, what a brilliant hardware design. 783 */ 784 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 1); 785 delay(10); 786 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 0); 787 delay(30); 788 if (sbdsp_rdsp(sc) != SB_MAGIC) 789 return -1; 790 791 return 0; 792 } 793 794 int 795 sbdsp16_wait(sc) 796 struct sbdsp_softc *sc; 797 { 798 bus_space_tag_t iot = sc->sc_iot; 799 bus_space_handle_t ioh = sc->sc_ioh; 800 register int i; 801 802 for (i = SBDSP_NPOLL; --i >= 0; ) { 803 register u_char x; 804 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 805 delay(10); 806 if ((x & SB_DSP_BUSY) == 0) 807 continue; 808 return 0; 809 } 810 ++sberr.wdsp; 811 return -1; 812 } 813 814 /* 815 * Write a byte to the dsp. 816 * XXX We are at the mercy of the card as we use a 817 * polling loop and wait until it can take the byte. 818 */ 819 int 820 sbdsp_wdsp(sc, v) 821 struct sbdsp_softc *sc; 822 int v; 823 { 824 bus_space_tag_t iot = sc->sc_iot; 825 bus_space_handle_t ioh = sc->sc_ioh; 826 register int i; 827 828 for (i = SBDSP_NPOLL; --i >= 0; ) { 829 register u_char x; 830 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 831 delay(10); 832 if ((x & SB_DSP_BUSY) != 0) 833 continue; 834 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, v); 835 delay(10); 836 return 0; 837 } 838 ++sberr.wdsp; 839 return -1; 840 } 841 842 /* 843 * Read a byte from the DSP, using polling. 844 */ 845 int 846 sbdsp_rdsp(sc) 847 struct sbdsp_softc *sc; 848 { 849 bus_space_tag_t iot = sc->sc_iot; 850 bus_space_handle_t ioh = sc->sc_ioh; 851 register int i; 852 853 for (i = SBDSP_NPOLL; --i >= 0; ) { 854 register u_char x; 855 x = bus_space_read_1(iot, ioh, SBP_DSP_RSTAT); 856 delay(10); 857 if ((x & SB_DSP_READY) == 0) 858 continue; 859 x = bus_space_read_1(iot, ioh, SBP_DSP_READ); 860 delay(10); 861 return x; 862 } 863 ++sberr.rdsp; 864 return -1; 865 } 866 867 /* 868 * Doing certain things (like toggling the speaker) make 869 * the SB hardware go away for a while, so pause a little. 870 */ 871 void 872 sbdsp_to(arg) 873 void *arg; 874 { 875 wakeup(arg); 876 } 877 878 void 879 sbdsp_pause(sc) 880 struct sbdsp_softc *sc; 881 { 882 extern int hz; 883 884 timeout(sbdsp_to, sbdsp_to, hz/8); 885 (void)tsleep(sbdsp_to, PWAIT, "sbpause", 0); 886 } 887 888 /* 889 * Turn on the speaker. The SBK documention says this operation 890 * can take up to 1/10 of a second. Higher level layers should 891 * probably let the task sleep for this amount of time after 892 * calling here. Otherwise, things might not work (because 893 * sbdsp_wdsp() and sbdsp_rdsp() will probably timeout.) 894 * 895 * These engineers had their heads up their ass when 896 * they designed this card. 897 */ 898 void 899 sbdsp_spkron(sc) 900 struct sbdsp_softc *sc; 901 { 902 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_ON); 903 sbdsp_pause(sc); 904 } 905 906 /* 907 * Turn off the speaker; see comment above. 908 */ 909 void 910 sbdsp_spkroff(sc) 911 struct sbdsp_softc *sc; 912 { 913 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_OFF); 914 sbdsp_pause(sc); 915 } 916 917 /* 918 * Read the version number out of the card. Return major code 919 * in high byte, and minor code in low byte. 920 */ 921 short 922 sbversion(sc) 923 struct sbdsp_softc *sc; 924 { 925 short v; 926 927 if (sbdsp_wdsp(sc, SB_DSP_VERSION) < 0) 928 return 0; 929 v = sbdsp_rdsp(sc) << 8; 930 v |= sbdsp_rdsp(sc); 931 return ((v >= 0) ? v : 0); 932 } 933 934 /* 935 * Halt a DMA in progress. A low-speed transfer can be 936 * resumed with sbdsp_contdma(). 937 */ 938 int 939 sbdsp_haltdma(addr) 940 void *addr; 941 { 942 register struct sbdsp_softc *sc = addr; 943 944 DPRINTF(("sbdsp_haltdma: sc=0x%x\n", sc)); 945 946 sbdsp_reset(sc); 947 return 0; 948 } 949 950 int 951 sbdsp_contdma(addr) 952 void *addr; 953 { 954 register struct sbdsp_softc *sc = addr; 955 956 DPRINTF(("sbdsp_contdma: sc=0x%x\n", sc)); 957 958 /* XXX how do we reinitialize the DMA controller state? do we care? */ 959 (void)sbdsp_wdsp(sc, SB_DSP_CONT); 960 return(0); 961 } 962 963 int 964 sbdsp_setrate(sc, sr, isdac, ratep) 965 register struct sbdsp_softc *sc; 966 int sr; 967 int isdac; 968 int *ratep; 969 { 970 971 /* 972 * XXXX 973 * More checks here? 974 */ 975 if (sr < 5000 || sr > 44100) 976 return (EINVAL); 977 *ratep = sr; 978 return (0); 979 } 980 981 /* 982 * Convert a linear sampling rate into the DAC time constant. 983 * Set *mode to indicate the high/low-speed DMA operation. 984 * Because of limitations of the card, not all rates are possible. 985 * We return the time constant of the closest possible rate. 986 * The sampling rate limits are different for the DAC and ADC, 987 * so isdac indicates output, and !isdac indicates input. 988 */ 989 int 990 sbdsp_srtotc(sc, sr, isdac, tcp, modep) 991 register struct sbdsp_softc *sc; 992 int sr; 993 int isdac; 994 int *tcp, *modep; 995 { 996 int tc, realtc, mode; 997 998 /* 999 * Don't forget to compute which mode we'll be in based on whether 1000 * we need to double the rate for stereo on SBPRO. 1001 */ 1002 1003 if (sr == 0) { 1004 tc = SB_LS_MIN; 1005 mode = SB_ADAC_LS; 1006 goto out; 1007 } 1008 1009 tc = 256 - (1000000 / sr); 1010 1011 if (sc->sc_channels == 2 && ISSBPRO(sc)) 1012 /* compute based on 2x sample rate when needed */ 1013 realtc = 256 - ( 500000 / sr); 1014 else 1015 realtc = tc; 1016 1017 if (tc < SB_LS_MIN) { 1018 tc = SB_LS_MIN; 1019 mode = SB_ADAC_LS; /* NB: 2x minimum speed is still low 1020 * speed mode. */ 1021 goto out; 1022 } else if (isdac) { 1023 if (realtc <= SB_DAC_LS_MAX) 1024 mode = SB_ADAC_LS; 1025 else { 1026 mode = SB_ADAC_HS; 1027 if (tc > SB_DAC_HS_MAX) 1028 tc = SB_DAC_HS_MAX; 1029 } 1030 } else { 1031 int adc_ls_max, adc_hs_max; 1032 1033 /* XXX use better rounding--compare distance to nearest tc on both 1034 sides of requested speed */ 1035 if (ISSBPROCLASS(sc)) { 1036 adc_ls_max = SBPRO_ADC_LS_MAX; 1037 adc_hs_max = SBPRO_ADC_HS_MAX; 1038 } else { 1039 adc_ls_max = SBCLA_ADC_LS_MAX; 1040 adc_hs_max = SBCLA_ADC_HS_MAX; 1041 } 1042 1043 if (realtc <= adc_ls_max) 1044 mode = SB_ADAC_LS; 1045 else { 1046 mode = SB_ADAC_HS; 1047 if (tc > adc_hs_max) 1048 tc = adc_hs_max; 1049 } 1050 } 1051 1052 out: 1053 *tcp = tc; 1054 *modep = mode; 1055 return (0); 1056 } 1057 1058 /* 1059 * Convert a DAC time constant to a sampling rate. 1060 * See SBK, section 12. 1061 */ 1062 int 1063 sbdsp_tctosr(sc, tc) 1064 register struct sbdsp_softc *sc; 1065 int tc; 1066 { 1067 int adc; 1068 1069 if (ISSBPROCLASS(sc)) 1070 adc = SBPRO_ADC_HS_MAX; 1071 else 1072 adc = SBCLA_ADC_HS_MAX; 1073 1074 if (tc > adc) 1075 tc = adc; 1076 1077 return (1000000 / (256 - tc)); 1078 } 1079 1080 int 1081 sbdsp_set_timeconst(sc, tc) 1082 register struct sbdsp_softc *sc; 1083 int tc; 1084 { 1085 /* 1086 * A SBPro in stereo mode uses time constants at double the 1087 * actual rate. 1088 */ 1089 if (ISSBPRO(sc) && sc->sc_channels == 2) 1090 tc = 256 - ((256 - tc) / 2); 1091 1092 DPRINTF(("sbdsp_set_timeconst: sc=%p tc=%d\n", sc, tc)); 1093 1094 if (sbdsp_wdsp(sc, SB_DSP_TIMECONST) < 0 || 1095 sbdsp_wdsp(sc, tc) < 0) 1096 return (EIO); 1097 1098 return (0); 1099 } 1100 1101 int 1102 sbdsp_dma_input(addr, p, cc, intr, arg) 1103 void *addr; 1104 void *p; 1105 int cc; 1106 void (*intr) __P((void *)); 1107 void *arg; 1108 { 1109 register struct sbdsp_softc *sc = addr; 1110 1111 #ifdef AUDIO_DEBUG 1112 if (sbdspdebug > 1) 1113 Dprintf("sbdsp_dma_input: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1114 #endif 1115 if (sc->sc_channels == 2 && (cc & 1)) { 1116 DPRINTF(("sbdsp_dma_input: stereo input, odd bytecnt\n")); 1117 return EIO; 1118 } 1119 1120 if (sc->sc_dmadir != SB_DMA_IN) { 1121 if (ISSBPRO(sc)) { 1122 if (sc->sc_channels == 2) { 1123 if (ISJAZZ16(sc) && sc->sc_precision == 16) { 1124 if (sbdsp_wdsp(sc, 1125 JAZZ16_RECORD_STEREO) < 0) { 1126 goto badmode; 1127 } 1128 } else if (sbdsp_wdsp(sc, 1129 SB_DSP_RECORD_STEREO) < 0) 1130 goto badmode; 1131 sbdsp_mix_write(sc, SBP_INFILTER, 1132 (sbdsp_mix_read(sc, SBP_INFILTER) & 1133 ~SBP_IFILTER_MASK) | SBP_FILTER_OFF); 1134 } else { 1135 if (ISJAZZ16(sc) && sc->sc_precision == 16) { 1136 if (sbdsp_wdsp(sc, 1137 JAZZ16_RECORD_MONO) < 0) 1138 { 1139 goto badmode; 1140 } 1141 } else if (sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) 1142 goto badmode; 1143 sbdsp_mix_write(sc, SBP_INFILTER, 1144 (sbdsp_mix_read(sc, SBP_INFILTER) & 1145 ~SBP_IFILTER_MASK) | sc->in_filter); 1146 } 1147 } 1148 1149 if (ISSB16CLASS(sc)) { 1150 if (sbdsp_wdsp(sc, SB_DSP16_INPUTRATE) < 0 || 1151 sbdsp_wdsp(sc, sc->sc_irate >> 8) < 0 || 1152 sbdsp_wdsp(sc, sc->sc_irate) < 0) 1153 goto giveup; 1154 } else 1155 sbdsp_set_timeconst(sc, sc->sc_itc); 1156 sc->sc_dmadir = SB_DMA_IN; 1157 } 1158 1159 isa_dmastart(DMAMODE_READ, p, cc, sc->sc_drq); 1160 sc->sc_intr = intr; 1161 sc->sc_arg = arg; 1162 sc->dmaflags = DMAMODE_READ; 1163 sc->dmaaddr = p; 1164 sc->dmacnt = cc; /* DMA controller is strange...? */ 1165 1166 if ((ISSB16CLASS(sc) && sc->sc_precision == 16) || 1167 (ISJAZZ16(sc) && sc->sc_drq > 3)) 1168 cc >>= 1; 1169 --cc; 1170 if (ISSB16CLASS(sc)) { 1171 if (sbdsp_wdsp(sc, sc->sc_precision == 16 ? SB_DSP16_RDMA_16 : 1172 SB_DSP16_RDMA_8) < 0 || 1173 sbdsp_wdsp(sc, (sc->sc_precision == 16 ? 0x10 : 0x00) | 1174 (sc->sc_channels == 2 ? 0x20 : 0x00)) < 0 || 1175 sbdsp16_wait(sc) || 1176 sbdsp_wdsp(sc, cc) < 0 || 1177 sbdsp_wdsp(sc, cc >> 8) < 0) { 1178 DPRINTF(("sbdsp_dma_input: SB16 DMA start failed\n")); 1179 goto giveup; 1180 } 1181 } else if (sc->sc_imode == SB_ADAC_LS) { 1182 if (sbdsp_wdsp(sc, SB_DSP_RDMA) < 0 || 1183 sbdsp_wdsp(sc, cc) < 0 || 1184 sbdsp_wdsp(sc, cc >> 8) < 0) { 1185 DPRINTF(("sbdsp_dma_input: LS DMA start failed\n")); 1186 goto giveup; 1187 } 1188 } else { 1189 if (cc != sc->sc_last_hs_size) { 1190 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1191 sbdsp_wdsp(sc, cc) < 0 || 1192 sbdsp_wdsp(sc, cc >> 8) < 0) { 1193 DPRINTF(("sbdsp_dma_input: HS DMA start failed\n")); 1194 goto giveup; 1195 } 1196 sc->sc_last_hs_size = cc; 1197 } 1198 if (sbdsp_wdsp(sc, SB_DSP_HS_INPUT) < 0) { 1199 DPRINTF(("sbdsp_dma_input: HS DMA restart failed\n")); 1200 goto giveup; 1201 } 1202 } 1203 return 0; 1204 1205 giveup: 1206 sbdsp_reset(sc); 1207 return EIO; 1208 1209 badmode: 1210 DPRINTF(("sbdsp_dma_input: can't set %s mode\n", 1211 sc->sc_channels == 2 ? "stereo" : "mono")); 1212 return EIO; 1213 } 1214 1215 int 1216 sbdsp_dma_output(addr, p, cc, intr, arg) 1217 void *addr; 1218 void *p; 1219 int cc; 1220 void (*intr) __P((void *)); 1221 void *arg; 1222 { 1223 register struct sbdsp_softc *sc = addr; 1224 1225 #ifdef AUDIO_DEBUG 1226 if (sbdspdebug > 1) 1227 Dprintf("sbdsp_dma_output: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1228 #endif 1229 if (sc->sc_channels == 2 && (cc & 1)) { 1230 DPRINTF(("stereo playback odd bytes (%d)\n", cc)); 1231 return EIO; 1232 } 1233 1234 if (sc->sc_dmadir != SB_DMA_OUT) { 1235 if (ISSBPRO(sc)) { 1236 /* make sure we re-set stereo mixer bit when we start 1237 output. */ 1238 sbdsp_mix_write(sc, SBP_STEREO, 1239 (sbdsp_mix_read(sc, SBP_STEREO) & ~SBP_PLAYMODE_MASK) | 1240 (sc->sc_channels == 2 ? SBP_PLAYMODE_STEREO : SBP_PLAYMODE_MONO)); 1241 if (ISJAZZ16(sc)) { 1242 /* Yes, we write the record mode to set 1243 16-bit playback mode. weird, huh? */ 1244 if (sc->sc_precision == 16) { 1245 sbdsp_wdsp(sc, 1246 sc->sc_channels == 2 ? 1247 JAZZ16_RECORD_STEREO : 1248 JAZZ16_RECORD_MONO); 1249 } else { 1250 sbdsp_wdsp(sc, 1251 sc->sc_channels == 2 ? 1252 SB_DSP_RECORD_STEREO : 1253 SB_DSP_RECORD_MONO); 1254 } 1255 } 1256 } 1257 1258 if (ISSB16CLASS(sc)) { 1259 if (sbdsp_wdsp(sc, SB_DSP16_OUTPUTRATE) < 0 || 1260 sbdsp_wdsp(sc, sc->sc_orate >> 8) < 0 || 1261 sbdsp_wdsp(sc, sc->sc_orate) < 0) 1262 goto giveup; 1263 } else 1264 sbdsp_set_timeconst(sc, sc->sc_otc); 1265 sc->sc_dmadir = SB_DMA_OUT; 1266 } 1267 1268 isa_dmastart(DMAMODE_WRITE, p, cc, sc->sc_drq); 1269 sc->sc_intr = intr; 1270 sc->sc_arg = arg; 1271 sc->dmaflags = DMAMODE_WRITE; 1272 sc->dmaaddr = p; 1273 sc->dmacnt = cc; /* a vagary of how DMA works, apparently. */ 1274 1275 if ((ISSB16CLASS(sc) && sc->sc_precision == 16) || 1276 (ISJAZZ16(sc) && sc->sc_drq > 3)) 1277 cc >>= 1; 1278 --cc; 1279 if (ISSB16CLASS(sc)) { 1280 if (sbdsp_wdsp(sc, sc->sc_precision == 16 ? SB_DSP16_WDMA_16 : 1281 SB_DSP16_WDMA_8) < 0 || 1282 sbdsp_wdsp(sc, (sc->sc_precision == 16 ? 0x10 : 0x00) | 1283 (sc->sc_channels == 2 ? 0x20 : 0x00)) < 0 || 1284 sbdsp16_wait(sc) || 1285 sbdsp_wdsp(sc, cc) < 0 || 1286 sbdsp_wdsp(sc, cc >> 8) < 0) { 1287 DPRINTF(("sbdsp_dma_output: SB16 DMA start failed\n")); 1288 goto giveup; 1289 } 1290 } else if (sc->sc_omode == SB_ADAC_LS) { 1291 if (sbdsp_wdsp(sc, SB_DSP_WDMA) < 0 || 1292 sbdsp_wdsp(sc, cc) < 0 || 1293 sbdsp_wdsp(sc, cc >> 8) < 0) { 1294 DPRINTF(("sbdsp_dma_output: LS DMA start failed\n")); 1295 goto giveup; 1296 } 1297 } else { 1298 if (cc != sc->sc_last_hs_size) { 1299 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1300 sbdsp_wdsp(sc, cc) < 0 || 1301 sbdsp_wdsp(sc, cc >> 8) < 0) { 1302 DPRINTF(("sbdsp_dma_output: HS DMA start failed\n")); 1303 goto giveup; 1304 } 1305 sc->sc_last_hs_size = cc; 1306 } 1307 if (sbdsp_wdsp(sc, SB_DSP_HS_OUTPUT) < 0) { 1308 DPRINTF(("sbdsp_dma_output: HS DMA restart failed\n")); 1309 goto giveup; 1310 } 1311 } 1312 return 0; 1313 1314 giveup: 1315 sbdsp_reset(sc); 1316 return EIO; 1317 } 1318 1319 /* 1320 * Only the DSP unit on the sound blaster generates interrupts. 1321 * There are three cases of interrupt: reception of a midi byte 1322 * (when mode is enabled), completion of dma transmission, or 1323 * completion of a dma reception. The three modes are mutually 1324 * exclusive so we know a priori which event has occurred. 1325 */ 1326 int 1327 sbdsp_intr(arg) 1328 void *arg; 1329 { 1330 register struct sbdsp_softc *sc = arg; 1331 u_char x; 1332 1333 #ifdef AUDIO_DEBUG 1334 if (sbdspdebug > 1) 1335 Dprintf("sbdsp_intr: intr=0x%x\n", sc->sc_intr); 1336 #endif 1337 if (!isa_dmafinished(sc->sc_drq)) { 1338 #ifdef AUDIO_DEBUG 1339 printf("sbdsp_intr: not finished\n"); 1340 #endif 1341 return 0; 1342 } 1343 sc->sc_interrupts++; 1344 /* clear interrupt */ 1345 #ifdef notyet 1346 x = sbdsp_mix_read(sc, 0x82); 1347 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, 15); 1348 #endif 1349 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, SBP_DSP_RSTAT); 1350 delay(10); 1351 #if 0 1352 if (sc->sc_mintr != 0) { 1353 x = sbdsp_rdsp(sc); 1354 (*sc->sc_mintr)(sc->sc_arg, x); 1355 } else 1356 #endif 1357 if (sc->sc_intr != 0) { 1358 isa_dmadone(sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->sc_drq); 1359 (*sc->sc_intr)(sc->sc_arg); 1360 } 1361 else 1362 return 0; 1363 return 1; 1364 } 1365 1366 #if 0 1367 /* 1368 * Enter midi uart mode and arrange for read interrupts 1369 * to vector to `intr'. This puts the card in a mode 1370 * which allows only midi I/O; the card must be reset 1371 * to leave this mode. Unfortunately, the card does not 1372 * use transmit interrupts, so bytes must be output 1373 * using polling. To keep the polling overhead to a 1374 * minimum, output should be driven off a timer. 1375 * This is a little tricky since only 320us separate 1376 * consecutive midi bytes. 1377 */ 1378 void 1379 sbdsp_set_midi_mode(sc, intr, arg) 1380 struct sbdsp_softc *sc; 1381 void (*intr)(); 1382 void *arg; 1383 { 1384 1385 sbdsp_wdsp(sc, SB_MIDI_UART_INTR); 1386 sc->sc_mintr = intr; 1387 sc->sc_intr = 0; 1388 sc->sc_arg = arg; 1389 } 1390 1391 /* 1392 * Write a byte to the midi port, when in midi uart mode. 1393 */ 1394 void 1395 sbdsp_midi_output(sc, v) 1396 struct sbdsp_softc *sc; 1397 int v; 1398 { 1399 1400 if (sbdsp_wdsp(sc, v) < 0) 1401 ++sberr.wmidi; 1402 } 1403 #endif 1404 1405 int 1406 sbdsp_setfd(addr, flag) 1407 void *addr; 1408 int flag; 1409 { 1410 /* Can't do full-duplex */ 1411 return(ENOTTY); 1412 } 1413 1414 int 1415 sbdsp_mixer_set_port(addr, cp) 1416 void *addr; 1417 mixer_ctrl_t *cp; 1418 { 1419 register struct sbdsp_softc *sc = addr; 1420 int src, gain; 1421 1422 DPRINTF(("sbdsp_mixer_set_port: port=%d num_channels=%d\n", cp->dev, 1423 cp->un.value.num_channels)); 1424 1425 if (!ISSBPROCLASS(sc)) 1426 return EINVAL; 1427 1428 /* 1429 * Everything is a value except for SBPro BASS/TREBLE and 1430 * RECORD_SOURCE 1431 */ 1432 switch (cp->dev) { 1433 case SB_SPEAKER: 1434 cp->dev = SB_MASTER_VOL; 1435 case SB_MIC_PORT: 1436 case SB_LINE_IN_PORT: 1437 case SB_DAC_PORT: 1438 case SB_FM_PORT: 1439 case SB_CD_PORT: 1440 case SB_MASTER_VOL: 1441 if (cp->type != AUDIO_MIXER_VALUE) 1442 return EINVAL; 1443 1444 /* 1445 * All the mixer ports are stereo except for the microphone. 1446 * If we get a single-channel gain value passed in, then we 1447 * duplicate it to both left and right channels. 1448 */ 1449 1450 switch (cp->dev) { 1451 case SB_MIC_PORT: 1452 if (cp->un.value.num_channels != 1) 1453 return EINVAL; 1454 1455 /* handle funny microphone gain */ 1456 gain = SBP_AGAIN_TO_MICGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1457 break; 1458 case SB_LINE_IN_PORT: 1459 case SB_DAC_PORT: 1460 case SB_FM_PORT: 1461 case SB_CD_PORT: 1462 case SB_MASTER_VOL: 1463 switch (cp->un.value.num_channels) { 1464 case 1: 1465 gain = sbdsp_mono_vol(SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO])); 1466 break; 1467 case 2: 1468 gain = sbdsp_stereo_vol(SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]), 1469 SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT])); 1470 break; 1471 default: 1472 return EINVAL; 1473 } 1474 break; 1475 default: 1476 return EINVAL; 1477 } 1478 1479 switch (cp->dev) { 1480 case SB_MIC_PORT: 1481 src = SBP_MIC_VOL; 1482 break; 1483 case SB_MASTER_VOL: 1484 src = SBP_MASTER_VOL; 1485 break; 1486 case SB_LINE_IN_PORT: 1487 src = SBP_LINE_VOL; 1488 break; 1489 case SB_DAC_PORT: 1490 src = SBP_DAC_VOL; 1491 break; 1492 case SB_FM_PORT: 1493 src = SBP_FM_VOL; 1494 break; 1495 case SB_CD_PORT: 1496 src = SBP_CD_VOL; 1497 break; 1498 default: 1499 return EINVAL; 1500 } 1501 1502 sbdsp_mix_write(sc, src, gain); 1503 sc->gain[cp->dev] = gain; 1504 break; 1505 1506 case SB_TREBLE: 1507 case SB_BASS: 1508 case SB_RECORD_SOURCE: 1509 if (cp->type != AUDIO_MIXER_ENUM) 1510 return EINVAL; 1511 1512 switch (cp->dev) { 1513 case SB_TREBLE: 1514 return sbdsp_set_ifilter(addr, cp->un.ord ? SBP_TREBLE_EQ : 0); 1515 case SB_BASS: 1516 return sbdsp_set_ifilter(addr, cp->un.ord ? SBP_BASS_EQ : 0); 1517 case SB_RECORD_SOURCE: 1518 return sbdsp_set_in_port(addr, cp->un.ord); 1519 } 1520 1521 break; 1522 1523 default: 1524 return EINVAL; 1525 } 1526 1527 return (0); 1528 } 1529 1530 int 1531 sbdsp_mixer_get_port(addr, cp) 1532 void *addr; 1533 mixer_ctrl_t *cp; 1534 { 1535 register struct sbdsp_softc *sc = addr; 1536 int gain; 1537 1538 DPRINTF(("sbdsp_mixer_get_port: port=%d", cp->dev)); 1539 1540 if (!ISSBPROCLASS(sc)) 1541 return EINVAL; 1542 1543 switch (cp->dev) { 1544 case SB_SPEAKER: 1545 cp->dev = SB_MASTER_VOL; 1546 case SB_MIC_PORT: 1547 case SB_LINE_IN_PORT: 1548 case SB_DAC_PORT: 1549 case SB_FM_PORT: 1550 case SB_CD_PORT: 1551 case SB_MASTER_VOL: 1552 gain = sc->gain[cp->dev]; 1553 1554 switch (cp->dev) { 1555 case SB_MIC_PORT: 1556 if (cp->un.value.num_channels != 1) 1557 return EINVAL; 1558 1559 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = SBP_MICGAIN_TO_AGAIN(gain); 1560 break; 1561 case SB_LINE_IN_PORT: 1562 case SB_DAC_PORT: 1563 case SB_FM_PORT: 1564 case SB_CD_PORT: 1565 case SB_MASTER_VOL: 1566 switch (cp->un.value.num_channels) { 1567 case 1: 1568 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = SBP_SBGAIN_TO_AGAIN(gain); 1569 break; 1570 case 2: 1571 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = SBP_LEFTGAIN(gain); 1572 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = SBP_RIGHTGAIN(gain); 1573 break; 1574 default: 1575 return EINVAL; 1576 } 1577 break; 1578 } 1579 1580 break; 1581 1582 case SB_TREBLE: 1583 case SB_BASS: 1584 case SB_RECORD_SOURCE: 1585 switch (cp->dev) { 1586 case SB_TREBLE: 1587 cp->un.ord = sbdsp_get_ifilter(addr) == SBP_TREBLE_EQ; 1588 return 0; 1589 case SB_BASS: 1590 cp->un.ord = sbdsp_get_ifilter(addr) == SBP_BASS_EQ; 1591 return 0; 1592 case SB_RECORD_SOURCE: 1593 cp->un.ord = sbdsp_get_in_port(addr); 1594 return 0; 1595 } 1596 1597 break; 1598 1599 default: 1600 return EINVAL; 1601 } 1602 1603 return (0); 1604 } 1605 1606 int 1607 sbdsp_mixer_query_devinfo(addr, dip) 1608 void *addr; 1609 register mixer_devinfo_t *dip; 1610 { 1611 register struct sbdsp_softc *sc = addr; 1612 1613 DPRINTF(("sbdsp_mixer_query_devinfo: index=%d\n", dip->index)); 1614 1615 switch (dip->index) { 1616 case SB_MIC_PORT: 1617 dip->type = AUDIO_MIXER_VALUE; 1618 dip->mixer_class = SB_INPUT_CLASS; 1619 dip->prev = AUDIO_MIXER_LAST; 1620 dip->next = AUDIO_MIXER_LAST; 1621 strcpy(dip->label.name, AudioNmicrophone); 1622 dip->un.v.num_channels = 1; 1623 strcpy(dip->un.v.units.name, AudioNvolume); 1624 return 0; 1625 1626 case SB_SPEAKER: 1627 dip->type = AUDIO_MIXER_VALUE; 1628 dip->mixer_class = SB_OUTPUT_CLASS; 1629 dip->prev = AUDIO_MIXER_LAST; 1630 dip->next = AUDIO_MIXER_LAST; 1631 strcpy(dip->label.name, AudioNspeaker); 1632 dip->un.v.num_channels = 1; 1633 strcpy(dip->un.v.units.name, AudioNvolume); 1634 return 0; 1635 1636 case SB_INPUT_CLASS: 1637 dip->type = AUDIO_MIXER_CLASS; 1638 dip->mixer_class = SB_INPUT_CLASS; 1639 dip->next = dip->prev = AUDIO_MIXER_LAST; 1640 strcpy(dip->label.name, AudioCInputs); 1641 return 0; 1642 1643 case SB_OUTPUT_CLASS: 1644 dip->type = AUDIO_MIXER_CLASS; 1645 dip->mixer_class = SB_OUTPUT_CLASS; 1646 dip->next = dip->prev = AUDIO_MIXER_LAST; 1647 strcpy(dip->label.name, AudioCOutputs); 1648 return 0; 1649 } 1650 1651 if (ISSBPROCLASS(sc)) { 1652 switch (dip->index) { 1653 case SB_LINE_IN_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, AudioNline); 1659 dip->un.v.num_channels = 2; 1660 strcpy(dip->un.v.units.name, AudioNvolume); 1661 return 0; 1662 1663 case SB_DAC_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, AudioNdac); 1669 dip->un.v.num_channels = 2; 1670 strcpy(dip->un.v.units.name, AudioNvolume); 1671 return 0; 1672 1673 case SB_CD_PORT: 1674 dip->type = AUDIO_MIXER_VALUE; 1675 dip->mixer_class = SB_INPUT_CLASS; 1676 dip->prev = AUDIO_MIXER_LAST; 1677 dip->next = AUDIO_MIXER_LAST; 1678 strcpy(dip->label.name, AudioNcd); 1679 dip->un.v.num_channels = 2; 1680 strcpy(dip->un.v.units.name, AudioNvolume); 1681 return 0; 1682 1683 case SB_FM_PORT: 1684 dip->type = AUDIO_MIXER_VALUE; 1685 dip->mixer_class = SB_INPUT_CLASS; 1686 dip->prev = AUDIO_MIXER_LAST; 1687 dip->next = AUDIO_MIXER_LAST; 1688 strcpy(dip->label.name, AudioNfmsynth); 1689 dip->un.v.num_channels = 2; 1690 strcpy(dip->un.v.units.name, AudioNvolume); 1691 return 0; 1692 1693 case SB_MASTER_VOL: 1694 dip->type = AUDIO_MIXER_VALUE; 1695 dip->mixer_class = SB_OUTPUT_CLASS; 1696 dip->prev = AUDIO_MIXER_LAST; 1697 dip->next = AUDIO_MIXER_LAST; 1698 strcpy(dip->label.name, AudioNvolume); 1699 dip->un.v.num_channels = 2; 1700 strcpy(dip->un.v.units.name, AudioNvolume); 1701 return 0; 1702 1703 case SB_RECORD_SOURCE: 1704 dip->mixer_class = SB_RECORD_CLASS; 1705 dip->type = AUDIO_MIXER_ENUM; 1706 dip->prev = AUDIO_MIXER_LAST; 1707 dip->next = AUDIO_MIXER_LAST; 1708 strcpy(dip->label.name, AudioNsource); 1709 dip->un.e.num_mem = 3; 1710 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone); 1711 dip->un.e.member[0].ord = SB_MIC_PORT; 1712 strcpy(dip->un.e.member[1].label.name, AudioNcd); 1713 dip->un.e.member[1].ord = SB_CD_PORT; 1714 strcpy(dip->un.e.member[2].label.name, AudioNline); 1715 dip->un.e.member[2].ord = SB_LINE_IN_PORT; 1716 return 0; 1717 1718 case SB_BASS: 1719 dip->type = AUDIO_MIXER_ENUM; 1720 dip->mixer_class = SB_INPUT_CLASS; 1721 dip->prev = AUDIO_MIXER_LAST; 1722 dip->next = AUDIO_MIXER_LAST; 1723 strcpy(dip->label.name, AudioNbass); 1724 dip->un.e.num_mem = 2; 1725 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1726 dip->un.e.member[0].ord = 0; 1727 strcpy(dip->un.e.member[1].label.name, AudioNon); 1728 dip->un.e.member[1].ord = 1; 1729 return 0; 1730 1731 case SB_TREBLE: 1732 dip->type = AUDIO_MIXER_ENUM; 1733 dip->mixer_class = SB_INPUT_CLASS; 1734 dip->prev = AUDIO_MIXER_LAST; 1735 dip->next = AUDIO_MIXER_LAST; 1736 strcpy(dip->label.name, AudioNtreble); 1737 dip->un.e.num_mem = 2; 1738 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1739 dip->un.e.member[0].ord = 0; 1740 strcpy(dip->un.e.member[1].label.name, AudioNon); 1741 dip->un.e.member[1].ord = 1; 1742 return 0; 1743 1744 case SB_RECORD_CLASS: /* record source class */ 1745 dip->type = AUDIO_MIXER_CLASS; 1746 dip->mixer_class = SB_RECORD_CLASS; 1747 dip->next = dip->prev = AUDIO_MIXER_LAST; 1748 strcpy(dip->label.name, AudioCRecord); 1749 return 0; 1750 } 1751 } 1752 1753 return ENXIO; 1754 } 1755
Indexes created Mon Sep 29 21:09:56 GMT 2025