sbdsp.c revision 1.31
1 /* $NetBSD: sbdsp.c,v 1.31 1997/01/16 21:03:35 christos 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->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 | MODEL_JAZZ16); 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_precision = 8; 254 sc->sc_channels = 1; 255 sc->encoding = AUDIO_ENCODING_ULAW; 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_encoding(addr, encoding) 401 void *addr; 402 u_int encoding; 403 { 404 register struct sbdsp_softc *sc = addr; 405 406 switch (encoding) { 407 case AUDIO_ENCODING_ULAW: 408 sc->encoding = AUDIO_ENCODING_ULAW; 409 break; 410 case AUDIO_ENCODING_LINEAR: 411 sc->encoding = AUDIO_ENCODING_LINEAR; 412 break; 413 default: 414 return (EINVAL); 415 } 416 417 return (0); 418 } 419 420 int 421 sbdsp_get_encoding(addr) 422 void *addr; 423 { 424 register struct sbdsp_softc *sc = addr; 425 426 return (sc->encoding); 427 } 428 429 int 430 sbdsp_set_precision(addr, precision) 431 void *addr; 432 u_int precision; 433 { 434 register struct sbdsp_softc *sc = addr; 435 436 if (ISSB16CLASS(sc) || ISJAZZ16(sc)) { 437 if (precision != 16 && precision != 8) 438 return (EINVAL); 439 sc->sc_precision = precision; 440 } else { 441 if (precision != 8) 442 return (EINVAL); 443 sc->sc_precision = precision; 444 } 445 446 return (0); 447 } 448 449 int 450 sbdsp_get_precision(addr) 451 void *addr; 452 { 453 register struct sbdsp_softc *sc = addr; 454 455 return (sc->sc_precision); 456 } 457 458 int 459 sbdsp_set_channels(addr, channels) 460 void *addr; 461 int channels; 462 { 463 register struct sbdsp_softc *sc = addr; 464 465 if (ISSBPROCLASS(sc)) { 466 if (channels != 1 && channels != 2) 467 return (EINVAL); 468 sc->sc_channels = channels; 469 sc->sc_dmadir = SB_DMA_NONE; 470 /* 471 * XXXX 472 * With 2 channels, SBPro can't do more than 22kHz. 473 * No framework to check this. 474 */ 475 } else { 476 if (channels != 1) 477 return (EINVAL); 478 sc->sc_channels = channels; 479 } 480 481 return (0); 482 } 483 484 int 485 sbdsp_get_channels(addr) 486 void *addr; 487 { 488 register struct sbdsp_softc *sc = addr; 489 490 return (sc->sc_channels); 491 } 492 493 int 494 sbdsp_set_ifilter(addr, which) 495 void *addr; 496 int which; 497 { 498 register struct sbdsp_softc *sc = addr; 499 int mixval; 500 501 if (ISSBPROCLASS(sc)) { 502 mixval = sbdsp_mix_read(sc, SBP_INFILTER) & ~SBP_IFILTER_MASK; 503 switch (which) { 504 case 0: 505 mixval |= SBP_FILTER_OFF; 506 break; 507 case SBP_TREBLE_EQ: 508 mixval |= SBP_FILTER_ON | SBP_IFILTER_HIGH; 509 break; 510 case SBP_BASS_EQ: 511 mixval |= SBP_FILTER_ON | SBP_IFILTER_LOW; 512 break; 513 default: 514 return (EINVAL); 515 } 516 sc->in_filter = mixval & SBP_IFILTER_MASK; 517 sbdsp_mix_write(sc, SBP_INFILTER, mixval); 518 return (0); 519 } else 520 return (EINVAL); 521 } 522 523 int 524 sbdsp_get_ifilter(addr) 525 void *addr; 526 { 527 register struct sbdsp_softc *sc = addr; 528 529 if (ISSBPROCLASS(sc)) { 530 sc->in_filter = 531 sbdsp_mix_read(sc, SBP_INFILTER) & SBP_IFILTER_MASK; 532 switch (sc->in_filter) { 533 case SBP_FILTER_ON|SBP_IFILTER_HIGH: 534 return (SBP_TREBLE_EQ); 535 case SBP_FILTER_ON|SBP_IFILTER_LOW: 536 return (SBP_BASS_EQ); 537 case SBP_FILTER_OFF: 538 default: 539 return (0); 540 } 541 } else 542 return (0); 543 } 544 545 int 546 sbdsp_set_out_port(addr, port) 547 void *addr; 548 int port; 549 { 550 register struct sbdsp_softc *sc = addr; 551 552 sc->out_port = port; /* Just record it */ 553 554 return (0); 555 } 556 557 int 558 sbdsp_get_out_port(addr) 559 void *addr; 560 { 561 register struct sbdsp_softc *sc = addr; 562 563 return (sc->out_port); 564 } 565 566 567 int 568 sbdsp_set_in_port(addr, port) 569 void *addr; 570 int port; 571 { 572 register struct sbdsp_softc *sc = addr; 573 int mixport, sbport; 574 575 if (ISSBPROCLASS(sc)) { 576 switch (port) { 577 case SB_MIC_PORT: 578 sbport = SBP_FROM_MIC; 579 mixport = SBP_MIC_VOL; 580 break; 581 case SB_LINE_IN_PORT: 582 sbport = SBP_FROM_LINE; 583 mixport = SBP_LINE_VOL; 584 break; 585 case SB_CD_PORT: 586 sbport = SBP_FROM_CD; 587 mixport = SBP_CD_VOL; 588 break; 589 case SB_DAC_PORT: 590 case SB_FM_PORT: 591 default: 592 return (EINVAL); 593 } 594 } else { 595 switch (port) { 596 case SB_MIC_PORT: 597 sbport = SBP_FROM_MIC; 598 mixport = SBP_MIC_VOL; 599 break; 600 default: 601 return (EINVAL); 602 } 603 } 604 605 sc->in_port = port; /* Just record it */ 606 607 if (ISSBPROCLASS(sc)) { 608 /* record from that port */ 609 sbdsp_mix_write(sc, SBP_RECORD_SOURCE, 610 SBP_RECORD_FROM(sbport, SBP_FILTER_OFF, SBP_IFILTER_HIGH)); 611 /* fetch gain from that port */ 612 sc->gain[port] = sbdsp_mix_read(sc, mixport); 613 } 614 615 return (0); 616 } 617 618 int 619 sbdsp_get_in_port(addr) 620 void *addr; 621 { 622 register struct sbdsp_softc *sc = addr; 623 624 return (sc->in_port); 625 } 626 627 628 int 629 sbdsp_speaker_ctl(addr, newstate) 630 void *addr; 631 int newstate; 632 { 633 register struct sbdsp_softc *sc = addr; 634 635 if ((newstate == SPKR_ON) && 636 (sc->spkr_state == SPKR_OFF)) { 637 sbdsp_spkron(sc); 638 sc->spkr_state = SPKR_ON; 639 } 640 if ((newstate == SPKR_OFF) && 641 (sc->spkr_state == SPKR_ON)) { 642 sbdsp_spkroff(sc); 643 sc->spkr_state = SPKR_OFF; 644 } 645 return(0); 646 } 647 648 int 649 sbdsp_round_blocksize(addr, blk) 650 void *addr; 651 int blk; 652 { 653 register struct sbdsp_softc *sc = addr; 654 655 sc->sc_last_hs_size = 0; 656 657 /* Higher speeds need bigger blocks to avoid popping and silence gaps. */ 658 if (blk < NBPG/4 || blk > NBPG/2) { 659 if (ISSB16CLASS(sc)) { 660 if (sc->sc_orate > 8000 || sc->sc_irate > 8000) 661 blk = NBPG/2; 662 } else { 663 if (sc->sc_otc > SB_8K || sc->sc_itc < SB_8K) 664 blk = NBPG/2; 665 } 666 } 667 /* don't try to DMA too much at once, though. */ 668 if (blk > NBPG) 669 blk = NBPG; 670 if (sc->sc_channels == 2) 671 return (blk & ~1); /* must be even to preserve stereo separation */ 672 else 673 return (blk); /* Anything goes :-) */ 674 } 675 676 int 677 sbdsp_commit_settings(addr) 678 void *addr; 679 { 680 register struct sbdsp_softc *sc = addr; 681 682 /* due to potentially unfortunate ordering in the above layers, 683 re-do a few sets which may be important--input gains 684 (adjust the proper channels), number of input channels (hit the 685 record rate and set mode) */ 686 687 if (ISSBPRO(sc)) { 688 /* 689 * With 2 channels, SBPro can't do more than 22kHz. 690 * Whack the rates down to speed if necessary. 691 * Reset the time constant anyway 692 * because it may have been adjusted with a different number 693 * of channels, which means it might have computed the wrong 694 * mode (low/high speed). 695 */ 696 if (sc->sc_channels == 2 && 697 sbdsp_tctosr(sc, sc->sc_itc) > 22727) { 698 sbdsp_srtotc(sc, 22727, SB_INPUT_RATE, 699 &sc->sc_itc, &sc->sc_imode); 700 } else 701 sbdsp_srtotc(sc, sbdsp_tctosr(sc, sc->sc_itc), 702 SB_INPUT_RATE, &sc->sc_itc, 703 &sc->sc_imode); 704 705 if (sc->sc_channels == 2 && 706 sbdsp_tctosr(sc, sc->sc_otc) > 22727) { 707 sbdsp_srtotc(sc, 22727, SB_OUTPUT_RATE, 708 &sc->sc_otc, &sc->sc_omode); 709 } else 710 sbdsp_srtotc(sc, sbdsp_tctosr(sc, sc->sc_otc), 711 SB_OUTPUT_RATE, &sc->sc_otc, 712 &sc->sc_omode); 713 } 714 if (ISSB16CLASS(sc) || ISJAZZ16(sc)) { 715 if (sc->encoding == AUDIO_ENCODING_ULAW && 716 sc->sc_precision == 16) { 717 sc->sc_precision = 8; 718 return EINVAL; /* XXX what should we really do? */ 719 } 720 } 721 /* 722 * XXX 723 * Should wait for chip to be idle. 724 */ 725 sc->sc_dmadir = SB_DMA_NONE; 726 727 return 0; 728 } 729 730 731 int 732 sbdsp_open(sc, dev, flags) 733 register struct sbdsp_softc *sc; 734 dev_t dev; 735 int flags; 736 { 737 DPRINTF(("sbdsp_open: sc=0x%x\n", sc)); 738 739 if (sc->sc_open != 0 || sbdsp_reset(sc) != 0) 740 return ENXIO; 741 742 sc->sc_open = 1; 743 sc->sc_mintr = 0; 744 if (ISSBPROCLASS(sc) && 745 sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) { 746 DPRINTF(("sbdsp_open: can't set mono mode\n")); 747 /* we'll readjust when it's time for DMA. */ 748 } 749 750 /* 751 * Leave most things as they were; users must change things if 752 * the previous process didn't leave it they way they wanted. 753 * Looked at another way, it's easy to set up a configuration 754 * in one program and leave it for another to inherit. 755 */ 756 DPRINTF(("sbdsp_open: opened\n")); 757 758 return 0; 759 } 760 761 void 762 sbdsp_close(addr) 763 void *addr; 764 { 765 struct sbdsp_softc *sc = addr; 766 767 DPRINTF(("sbdsp_close: sc=0x%x\n", sc)); 768 769 sc->sc_open = 0; 770 sbdsp_spkroff(sc); 771 sc->spkr_state = SPKR_OFF; 772 sc->sc_mintr = 0; 773 sbdsp_haltdma(sc); 774 775 DPRINTF(("sbdsp_close: closed\n")); 776 } 777 778 /* 779 * Lower-level routines 780 */ 781 782 /* 783 * Reset the card. 784 * Return non-zero if the card isn't detected. 785 */ 786 int 787 sbdsp_reset(sc) 788 register struct sbdsp_softc *sc; 789 { 790 bus_space_tag_t iot = sc->sc_iot; 791 bus_space_handle_t ioh = sc->sc_ioh; 792 793 sc->sc_intr = 0; 794 if (sc->sc_dmadir != SB_DMA_NONE) { 795 isa_dmaabort(sc->sc_drq); 796 sc->sc_dmadir = SB_DMA_NONE; 797 } 798 sc->sc_last_hs_size = 0; 799 800 /* 801 * See SBK, section 11.3. 802 * We pulse a reset signal into the card. 803 * Gee, what a brilliant hardware design. 804 */ 805 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 1); 806 delay(10); 807 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 0); 808 delay(30); 809 if (sbdsp_rdsp(sc) != SB_MAGIC) 810 return -1; 811 812 return 0; 813 } 814 815 int 816 sbdsp16_wait(sc) 817 struct sbdsp_softc *sc; 818 { 819 bus_space_tag_t iot = sc->sc_iot; 820 bus_space_handle_t ioh = sc->sc_ioh; 821 register int i; 822 823 for (i = SBDSP_NPOLL; --i >= 0; ) { 824 register u_char x; 825 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 826 delay(10); 827 if ((x & SB_DSP_BUSY) == 0) 828 continue; 829 return 0; 830 } 831 ++sberr.wdsp; 832 return -1; 833 } 834 835 /* 836 * Write a byte to the dsp. 837 * XXX We are at the mercy of the card as we use a 838 * polling loop and wait until it can take the byte. 839 */ 840 int 841 sbdsp_wdsp(sc, v) 842 struct sbdsp_softc *sc; 843 int v; 844 { 845 bus_space_tag_t iot = sc->sc_iot; 846 bus_space_handle_t ioh = sc->sc_ioh; 847 register int i; 848 849 for (i = SBDSP_NPOLL; --i >= 0; ) { 850 register u_char x; 851 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 852 delay(10); 853 if ((x & SB_DSP_BUSY) != 0) 854 continue; 855 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, v); 856 delay(10); 857 return 0; 858 } 859 ++sberr.wdsp; 860 return -1; 861 } 862 863 /* 864 * Read a byte from the DSP, using polling. 865 */ 866 int 867 sbdsp_rdsp(sc) 868 struct sbdsp_softc *sc; 869 { 870 bus_space_tag_t iot = sc->sc_iot; 871 bus_space_handle_t ioh = sc->sc_ioh; 872 register int i; 873 874 for (i = SBDSP_NPOLL; --i >= 0; ) { 875 register u_char x; 876 x = bus_space_read_1(iot, ioh, SBP_DSP_RSTAT); 877 delay(10); 878 if ((x & SB_DSP_READY) == 0) 879 continue; 880 x = bus_space_read_1(iot, ioh, SBP_DSP_READ); 881 delay(10); 882 return x; 883 } 884 ++sberr.rdsp; 885 return -1; 886 } 887 888 /* 889 * Doing certain things (like toggling the speaker) make 890 * the SB hardware go away for a while, so pause a little. 891 */ 892 void 893 sbdsp_to(arg) 894 void *arg; 895 { 896 wakeup(arg); 897 } 898 899 void 900 sbdsp_pause(sc) 901 struct sbdsp_softc *sc; 902 { 903 extern int hz; 904 905 timeout(sbdsp_to, sbdsp_to, hz/8); 906 (void)tsleep(sbdsp_to, PWAIT, "sbpause", 0); 907 } 908 909 /* 910 * Turn on the speaker. The SBK documention says this operation 911 * can take up to 1/10 of a second. Higher level layers should 912 * probably let the task sleep for this amount of time after 913 * calling here. Otherwise, things might not work (because 914 * sbdsp_wdsp() and sbdsp_rdsp() will probably timeout.) 915 * 916 * These engineers had their heads up their ass when 917 * they designed this card. 918 */ 919 void 920 sbdsp_spkron(sc) 921 struct sbdsp_softc *sc; 922 { 923 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_ON); 924 sbdsp_pause(sc); 925 } 926 927 /* 928 * Turn off the speaker; see comment above. 929 */ 930 void 931 sbdsp_spkroff(sc) 932 struct sbdsp_softc *sc; 933 { 934 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_OFF); 935 sbdsp_pause(sc); 936 } 937 938 /* 939 * Read the version number out of the card. Return major code 940 * in high byte, and minor code in low byte. 941 */ 942 short 943 sbversion(sc) 944 struct sbdsp_softc *sc; 945 { 946 short v; 947 948 if (sbdsp_wdsp(sc, SB_DSP_VERSION) < 0) 949 return 0; 950 v = sbdsp_rdsp(sc) << 8; 951 v |= sbdsp_rdsp(sc); 952 return ((v >= 0) ? v : 0); 953 } 954 955 /* 956 * Halt a DMA in progress. A low-speed transfer can be 957 * resumed with sbdsp_contdma(). 958 */ 959 int 960 sbdsp_haltdma(addr) 961 void *addr; 962 { 963 register struct sbdsp_softc *sc = addr; 964 965 DPRINTF(("sbdsp_haltdma: sc=0x%x\n", sc)); 966 967 sbdsp_reset(sc); 968 return 0; 969 } 970 971 int 972 sbdsp_contdma(addr) 973 void *addr; 974 { 975 register struct sbdsp_softc *sc = addr; 976 977 DPRINTF(("sbdsp_contdma: sc=0x%x\n", sc)); 978 979 /* XXX how do we reinitialize the DMA controller state? do we care? */ 980 (void)sbdsp_wdsp(sc, SB_DSP_CONT); 981 return(0); 982 } 983 984 int 985 sbdsp_setrate(sc, sr, isdac, ratep) 986 register struct sbdsp_softc *sc; 987 int sr; 988 int isdac; 989 int *ratep; 990 { 991 992 /* 993 * XXXX 994 * More checks here? 995 */ 996 if (sr < 5000 || sr > 44100) 997 return (EINVAL); 998 *ratep = sr; 999 return (0); 1000 } 1001 1002 /* 1003 * Convert a linear sampling rate into the DAC time constant. 1004 * Set *mode to indicate the high/low-speed DMA operation. 1005 * Because of limitations of the card, not all rates are possible. 1006 * We return the time constant of the closest possible rate. 1007 * The sampling rate limits are different for the DAC and ADC, 1008 * so isdac indicates output, and !isdac indicates input. 1009 */ 1010 int 1011 sbdsp_srtotc(sc, sr, isdac, tcp, modep) 1012 register struct sbdsp_softc *sc; 1013 int sr; 1014 int isdac; 1015 int *tcp, *modep; 1016 { 1017 int tc, realtc, mode; 1018 1019 /* 1020 * Don't forget to compute which mode we'll be in based on whether 1021 * we need to double the rate for stereo on SBPRO. 1022 */ 1023 1024 if (sr == 0) { 1025 tc = SB_LS_MIN; 1026 mode = SB_ADAC_LS; 1027 goto out; 1028 } 1029 1030 tc = 256 - (1000000 / sr); 1031 1032 if (sc->sc_channels == 2 && ISSBPRO(sc)) 1033 /* compute based on 2x sample rate when needed */ 1034 realtc = 256 - ( 500000 / sr); 1035 else 1036 realtc = tc; 1037 1038 if (tc < SB_LS_MIN) { 1039 tc = SB_LS_MIN; 1040 mode = SB_ADAC_LS; /* NB: 2x minimum speed is still low 1041 * speed mode. */ 1042 goto out; 1043 } else if (isdac) { 1044 if (realtc <= SB_DAC_LS_MAX) 1045 mode = SB_ADAC_LS; 1046 else { 1047 mode = SB_ADAC_HS; 1048 if (tc > SB_DAC_HS_MAX) 1049 tc = SB_DAC_HS_MAX; 1050 } 1051 } else { 1052 int adc_ls_max, adc_hs_max; 1053 1054 /* XXX use better rounding--compare distance to nearest tc on both 1055 sides of requested speed */ 1056 if (ISSBPROCLASS(sc)) { 1057 adc_ls_max = SBPRO_ADC_LS_MAX; 1058 adc_hs_max = SBPRO_ADC_HS_MAX; 1059 } else { 1060 adc_ls_max = SBCLA_ADC_LS_MAX; 1061 adc_hs_max = SBCLA_ADC_HS_MAX; 1062 } 1063 1064 if (realtc <= adc_ls_max) 1065 mode = SB_ADAC_LS; 1066 else { 1067 mode = SB_ADAC_HS; 1068 if (tc > adc_hs_max) 1069 tc = adc_hs_max; 1070 } 1071 } 1072 1073 out: 1074 *tcp = tc; 1075 *modep = mode; 1076 return (0); 1077 } 1078 1079 /* 1080 * Convert a DAC time constant to a sampling rate. 1081 * See SBK, section 12. 1082 */ 1083 int 1084 sbdsp_tctosr(sc, tc) 1085 register struct sbdsp_softc *sc; 1086 int tc; 1087 { 1088 int adc; 1089 1090 if (ISSBPROCLASS(sc)) 1091 adc = SBPRO_ADC_HS_MAX; 1092 else 1093 adc = SBCLA_ADC_HS_MAX; 1094 1095 if (tc > adc) 1096 tc = adc; 1097 1098 return (1000000 / (256 - tc)); 1099 } 1100 1101 int 1102 sbdsp_set_timeconst(sc, tc) 1103 register struct sbdsp_softc *sc; 1104 int tc; 1105 { 1106 /* 1107 * A SBPro in stereo mode uses time constants at double the 1108 * actual rate. 1109 */ 1110 if (ISSBPRO(sc) && sc->sc_channels == 2) 1111 tc = 256 - ((256 - tc) / 2); 1112 1113 DPRINTF(("sbdsp_set_timeconst: sc=%p tc=%d\n", sc, tc)); 1114 1115 if (sbdsp_wdsp(sc, SB_DSP_TIMECONST) < 0 || 1116 sbdsp_wdsp(sc, tc) < 0) 1117 return (EIO); 1118 1119 return (0); 1120 } 1121 1122 int 1123 sbdsp_dma_input(addr, p, cc, intr, arg) 1124 void *addr; 1125 void *p; 1126 int cc; 1127 void (*intr) __P((void *)); 1128 void *arg; 1129 { 1130 register struct sbdsp_softc *sc = addr; 1131 1132 #ifdef AUDIO_DEBUG 1133 if (sbdspdebug > 1) 1134 Dprintf("sbdsp_dma_input: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1135 #endif 1136 if (sc->sc_channels == 2 && (cc & 1)) { 1137 DPRINTF(("sbdsp_dma_input: stereo input, odd bytecnt\n")); 1138 return EIO; 1139 } 1140 1141 if (sc->sc_dmadir != SB_DMA_IN) { 1142 if (ISSBPRO(sc)) { 1143 if (sc->sc_channels == 2) { 1144 if (ISJAZZ16(sc) && sc->sc_precision == 16) { 1145 if (sbdsp_wdsp(sc, 1146 JAZZ16_RECORD_STEREO) < 0) { 1147 goto badmode; 1148 } 1149 } else if (sbdsp_wdsp(sc, 1150 SB_DSP_RECORD_STEREO) < 0) 1151 goto badmode; 1152 sbdsp_mix_write(sc, SBP_INFILTER, 1153 (sbdsp_mix_read(sc, SBP_INFILTER) & 1154 ~SBP_IFILTER_MASK) | SBP_FILTER_OFF); 1155 } else { 1156 if (ISJAZZ16(sc) && sc->sc_precision == 16) { 1157 if (sbdsp_wdsp(sc, 1158 JAZZ16_RECORD_MONO) < 0) 1159 { 1160 goto badmode; 1161 } 1162 } else if (sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) 1163 goto badmode; 1164 sbdsp_mix_write(sc, SBP_INFILTER, 1165 (sbdsp_mix_read(sc, SBP_INFILTER) & 1166 ~SBP_IFILTER_MASK) | sc->in_filter); 1167 } 1168 } 1169 1170 if (ISSB16CLASS(sc)) { 1171 if (sbdsp_wdsp(sc, SB_DSP16_INPUTRATE) < 0 || 1172 sbdsp_wdsp(sc, sc->sc_irate >> 8) < 0 || 1173 sbdsp_wdsp(sc, sc->sc_irate) < 0) 1174 goto giveup; 1175 } else 1176 sbdsp_set_timeconst(sc, sc->sc_itc); 1177 sc->sc_dmadir = SB_DMA_IN; 1178 } 1179 1180 isa_dmastart(DMAMODE_READ, p, cc, sc->sc_drq); 1181 sc->sc_intr = intr; 1182 sc->sc_arg = arg; 1183 sc->dmaflags = DMAMODE_READ; 1184 sc->dmaaddr = p; 1185 sc->dmacnt = cc; /* DMA controller is strange...? */ 1186 1187 if ((ISSB16CLASS(sc) && sc->sc_precision == 16) || 1188 (ISJAZZ16(sc) && sc->sc_drq > 3)) 1189 cc >>= 1; 1190 --cc; 1191 if (ISSB16CLASS(sc)) { 1192 if (sbdsp_wdsp(sc, sc->sc_precision == 16 ? SB_DSP16_RDMA_16 : 1193 SB_DSP16_RDMA_8) < 0 || 1194 sbdsp_wdsp(sc, (sc->sc_precision == 16 ? 0x10 : 0x00) | 1195 (sc->sc_channels == 2 ? 0x20 : 0x00)) < 0 || 1196 sbdsp16_wait(sc) || 1197 sbdsp_wdsp(sc, cc) < 0 || 1198 sbdsp_wdsp(sc, cc >> 8) < 0) { 1199 DPRINTF(("sbdsp_dma_input: SB16 DMA start failed\n")); 1200 goto giveup; 1201 } 1202 } else if (sc->sc_imode == SB_ADAC_LS) { 1203 if (sbdsp_wdsp(sc, SB_DSP_RDMA) < 0 || 1204 sbdsp_wdsp(sc, cc) < 0 || 1205 sbdsp_wdsp(sc, cc >> 8) < 0) { 1206 DPRINTF(("sbdsp_dma_input: LS DMA start failed\n")); 1207 goto giveup; 1208 } 1209 } else { 1210 if (cc != sc->sc_last_hs_size) { 1211 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1212 sbdsp_wdsp(sc, cc) < 0 || 1213 sbdsp_wdsp(sc, cc >> 8) < 0) { 1214 DPRINTF(("sbdsp_dma_input: HS DMA start failed\n")); 1215 goto giveup; 1216 } 1217 sc->sc_last_hs_size = cc; 1218 } 1219 if (sbdsp_wdsp(sc, SB_DSP_HS_INPUT) < 0) { 1220 DPRINTF(("sbdsp_dma_input: HS DMA restart failed\n")); 1221 goto giveup; 1222 } 1223 } 1224 return 0; 1225 1226 giveup: 1227 sbdsp_reset(sc); 1228 return EIO; 1229 1230 badmode: 1231 DPRINTF(("sbdsp_dma_input: can't set %s mode\n", 1232 sc->sc_channels == 2 ? "stereo" : "mono")); 1233 return EIO; 1234 } 1235 1236 int 1237 sbdsp_dma_output(addr, p, cc, intr, arg) 1238 void *addr; 1239 void *p; 1240 int cc; 1241 void (*intr) __P((void *)); 1242 void *arg; 1243 { 1244 register struct sbdsp_softc *sc = addr; 1245 1246 #ifdef AUDIO_DEBUG 1247 if (sbdspdebug > 1) 1248 Dprintf("sbdsp_dma_output: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1249 #endif 1250 if (sc->sc_channels == 2 && (cc & 1)) { 1251 DPRINTF(("stereo playback odd bytes (%d)\n", cc)); 1252 return EIO; 1253 } 1254 1255 if (sc->sc_dmadir != SB_DMA_OUT) { 1256 if (ISSBPRO(sc)) { 1257 /* make sure we re-set stereo mixer bit when we start 1258 output. */ 1259 sbdsp_mix_write(sc, SBP_STEREO, 1260 (sbdsp_mix_read(sc, SBP_STEREO) & ~SBP_PLAYMODE_MASK) | 1261 (sc->sc_channels == 2 ? SBP_PLAYMODE_STEREO : SBP_PLAYMODE_MONO)); 1262 if (ISJAZZ16(sc)) { 1263 /* Yes, we write the record mode to set 1264 16-bit playback mode. weird, huh? */ 1265 if (sc->sc_precision == 16) { 1266 sbdsp_wdsp(sc, 1267 sc->sc_channels == 2 ? 1268 JAZZ16_RECORD_STEREO : 1269 JAZZ16_RECORD_MONO); 1270 } else { 1271 sbdsp_wdsp(sc, 1272 sc->sc_channels == 2 ? 1273 SB_DSP_RECORD_STEREO : 1274 SB_DSP_RECORD_MONO); 1275 } 1276 } 1277 } 1278 1279 if (ISSB16CLASS(sc)) { 1280 if (sbdsp_wdsp(sc, SB_DSP16_OUTPUTRATE) < 0 || 1281 sbdsp_wdsp(sc, sc->sc_orate >> 8) < 0 || 1282 sbdsp_wdsp(sc, sc->sc_orate) < 0) 1283 goto giveup; 1284 } else 1285 sbdsp_set_timeconst(sc, sc->sc_otc); 1286 sc->sc_dmadir = SB_DMA_OUT; 1287 } 1288 1289 isa_dmastart(DMAMODE_WRITE, p, cc, sc->sc_drq); 1290 sc->sc_intr = intr; 1291 sc->sc_arg = arg; 1292 sc->dmaflags = DMAMODE_WRITE; 1293 sc->dmaaddr = p; 1294 sc->dmacnt = cc; /* a vagary of how DMA works, apparently. */ 1295 1296 if ((ISSB16CLASS(sc) && sc->sc_precision == 16) || 1297 (ISJAZZ16(sc) && sc->sc_drq > 3)) 1298 cc >>= 1; 1299 --cc; 1300 if (ISSB16CLASS(sc)) { 1301 if (sbdsp_wdsp(sc, sc->sc_precision == 16 ? SB_DSP16_WDMA_16 : 1302 SB_DSP16_WDMA_8) < 0 || 1303 sbdsp_wdsp(sc, (sc->sc_precision == 16 ? 0x10 : 0x00) | 1304 (sc->sc_channels == 2 ? 0x20 : 0x00)) < 0 || 1305 sbdsp16_wait(sc) || 1306 sbdsp_wdsp(sc, cc) < 0 || 1307 sbdsp_wdsp(sc, cc >> 8) < 0) { 1308 DPRINTF(("sbdsp_dma_output: SB16 DMA start failed\n")); 1309 goto giveup; 1310 } 1311 } else if (sc->sc_omode == SB_ADAC_LS) { 1312 if (sbdsp_wdsp(sc, SB_DSP_WDMA) < 0 || 1313 sbdsp_wdsp(sc, cc) < 0 || 1314 sbdsp_wdsp(sc, cc >> 8) < 0) { 1315 DPRINTF(("sbdsp_dma_output: LS DMA start failed\n")); 1316 goto giveup; 1317 } 1318 } else { 1319 if (cc != sc->sc_last_hs_size) { 1320 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1321 sbdsp_wdsp(sc, cc) < 0 || 1322 sbdsp_wdsp(sc, cc >> 8) < 0) { 1323 DPRINTF(("sbdsp_dma_output: HS DMA start failed\n")); 1324 goto giveup; 1325 } 1326 sc->sc_last_hs_size = cc; 1327 } 1328 if (sbdsp_wdsp(sc, SB_DSP_HS_OUTPUT) < 0) { 1329 DPRINTF(("sbdsp_dma_output: HS DMA restart failed\n")); 1330 goto giveup; 1331 } 1332 } 1333 return 0; 1334 1335 giveup: 1336 sbdsp_reset(sc); 1337 return EIO; 1338 } 1339 1340 /* 1341 * Only the DSP unit on the sound blaster generates interrupts. 1342 * There are three cases of interrupt: reception of a midi byte 1343 * (when mode is enabled), completion of dma transmission, or 1344 * completion of a dma reception. The three modes are mutually 1345 * exclusive so we know a priori which event has occurred. 1346 */ 1347 int 1348 sbdsp_intr(arg) 1349 void *arg; 1350 { 1351 register struct sbdsp_softc *sc = arg; 1352 u_char x; 1353 1354 #ifdef AUDIO_DEBUG 1355 if (sbdspdebug > 1) 1356 Dprintf("sbdsp_intr: intr=0x%x\n", sc->sc_intr); 1357 #endif 1358 if (!isa_dmafinished(sc->sc_drq)) { 1359 #ifdef AUDIO_DEBUG 1360 printf("sbdsp_intr: not finished\n"); 1361 #endif 1362 return 0; 1363 } 1364 sc->sc_interrupts++; 1365 /* clear interrupt */ 1366 #ifdef notyet 1367 x = sbdsp_mix_read(sc, 0x82); 1368 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, 15); 1369 #endif 1370 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, SBP_DSP_RSTAT); 1371 delay(10); 1372 #if 0 1373 if (sc->sc_mintr != 0) { 1374 x = sbdsp_rdsp(sc); 1375 (*sc->sc_mintr)(sc->sc_arg, x); 1376 } else 1377 #endif 1378 if (sc->sc_intr != 0) { 1379 isa_dmadone(sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->sc_drq); 1380 (*sc->sc_intr)(sc->sc_arg); 1381 } 1382 else 1383 return 0; 1384 return 1; 1385 } 1386 1387 #if 0 1388 /* 1389 * Enter midi uart mode and arrange for read interrupts 1390 * to vector to `intr'. This puts the card in a mode 1391 * which allows only midi I/O; the card must be reset 1392 * to leave this mode. Unfortunately, the card does not 1393 * use transmit interrupts, so bytes must be output 1394 * using polling. To keep the polling overhead to a 1395 * minimum, output should be driven off a timer. 1396 * This is a little tricky since only 320us separate 1397 * consecutive midi bytes. 1398 */ 1399 void 1400 sbdsp_set_midi_mode(sc, intr, arg) 1401 struct sbdsp_softc *sc; 1402 void (*intr)(); 1403 void *arg; 1404 { 1405 1406 sbdsp_wdsp(sc, SB_MIDI_UART_INTR); 1407 sc->sc_mintr = intr; 1408 sc->sc_intr = 0; 1409 sc->sc_arg = arg; 1410 } 1411 1412 /* 1413 * Write a byte to the midi port, when in midi uart mode. 1414 */ 1415 void 1416 sbdsp_midi_output(sc, v) 1417 struct sbdsp_softc *sc; 1418 int v; 1419 { 1420 1421 if (sbdsp_wdsp(sc, v) < 0) 1422 ++sberr.wmidi; 1423 } 1424 #endif 1425 1426 u_int 1427 sbdsp_get_silence(encoding) 1428 int encoding; 1429 { 1430 #define ULAW_SILENCE 0x7f 1431 #define LINEAR_SILENCE 0 1432 u_int auzero; 1433 1434 switch (encoding) { 1435 case AUDIO_ENCODING_ULAW: 1436 auzero = ULAW_SILENCE; 1437 break; 1438 case AUDIO_ENCODING_PCM16: 1439 default: 1440 auzero = LINEAR_SILENCE; 1441 break; 1442 } 1443 1444 return (auzero); 1445 } 1446 1447 int 1448 sbdsp_setfd(addr, flag) 1449 void *addr; 1450 int flag; 1451 { 1452 /* Can't do full-duplex */ 1453 return(ENOTTY); 1454 } 1455 1456 int 1457 sbdsp_mixer_set_port(addr, cp) 1458 void *addr; 1459 mixer_ctrl_t *cp; 1460 { 1461 register struct sbdsp_softc *sc = addr; 1462 int src, gain; 1463 1464 DPRINTF(("sbdsp_mixer_set_port: port=%d num_channels=%d\n", cp->dev, 1465 cp->un.value.num_channels)); 1466 1467 if (!ISSBPROCLASS(sc)) 1468 return EINVAL; 1469 1470 /* 1471 * Everything is a value except for SBPro BASS/TREBLE and 1472 * RECORD_SOURCE 1473 */ 1474 switch (cp->dev) { 1475 case SB_SPEAKER: 1476 cp->dev = SB_MASTER_VOL; 1477 case SB_MIC_PORT: 1478 case SB_LINE_IN_PORT: 1479 case SB_DAC_PORT: 1480 case SB_FM_PORT: 1481 case SB_CD_PORT: 1482 case SB_MASTER_VOL: 1483 if (cp->type != AUDIO_MIXER_VALUE) 1484 return EINVAL; 1485 1486 /* 1487 * All the mixer ports are stereo except for the microphone. 1488 * If we get a single-channel gain value passed in, then we 1489 * duplicate it to both left and right channels. 1490 */ 1491 1492 switch (cp->dev) { 1493 case SB_MIC_PORT: 1494 if (cp->un.value.num_channels != 1) 1495 return EINVAL; 1496 1497 /* handle funny microphone gain */ 1498 gain = SBP_AGAIN_TO_MICGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1499 break; 1500 case SB_LINE_IN_PORT: 1501 case SB_DAC_PORT: 1502 case SB_FM_PORT: 1503 case SB_CD_PORT: 1504 case SB_MASTER_VOL: 1505 switch (cp->un.value.num_channels) { 1506 case 1: 1507 gain = sbdsp_mono_vol(SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO])); 1508 break; 1509 case 2: 1510 gain = sbdsp_stereo_vol(SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]), 1511 SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT])); 1512 break; 1513 default: 1514 return EINVAL; 1515 } 1516 break; 1517 default: 1518 return EINVAL; 1519 } 1520 1521 switch (cp->dev) { 1522 case SB_MIC_PORT: 1523 src = SBP_MIC_VOL; 1524 break; 1525 case SB_MASTER_VOL: 1526 src = SBP_MASTER_VOL; 1527 break; 1528 case SB_LINE_IN_PORT: 1529 src = SBP_LINE_VOL; 1530 break; 1531 case SB_DAC_PORT: 1532 src = SBP_DAC_VOL; 1533 break; 1534 case SB_FM_PORT: 1535 src = SBP_FM_VOL; 1536 break; 1537 case SB_CD_PORT: 1538 src = SBP_CD_VOL; 1539 break; 1540 default: 1541 return EINVAL; 1542 } 1543 1544 sbdsp_mix_write(sc, src, gain); 1545 sc->gain[cp->dev] = gain; 1546 break; 1547 1548 case SB_TREBLE: 1549 case SB_BASS: 1550 case SB_RECORD_SOURCE: 1551 if (cp->type != AUDIO_MIXER_ENUM) 1552 return EINVAL; 1553 1554 switch (cp->dev) { 1555 case SB_TREBLE: 1556 return sbdsp_set_ifilter(addr, cp->un.ord ? SBP_TREBLE_EQ : 0); 1557 case SB_BASS: 1558 return sbdsp_set_ifilter(addr, cp->un.ord ? SBP_BASS_EQ : 0); 1559 case SB_RECORD_SOURCE: 1560 return sbdsp_set_in_port(addr, cp->un.ord); 1561 } 1562 1563 break; 1564 1565 default: 1566 return EINVAL; 1567 } 1568 1569 return (0); 1570 } 1571 1572 int 1573 sbdsp_mixer_get_port(addr, cp) 1574 void *addr; 1575 mixer_ctrl_t *cp; 1576 { 1577 register struct sbdsp_softc *sc = addr; 1578 int gain; 1579 1580 DPRINTF(("sbdsp_mixer_get_port: port=%d", cp->dev)); 1581 1582 if (!ISSBPROCLASS(sc)) 1583 return EINVAL; 1584 1585 switch (cp->dev) { 1586 case SB_SPEAKER: 1587 cp->dev = SB_MASTER_VOL; 1588 case SB_MIC_PORT: 1589 case SB_LINE_IN_PORT: 1590 case SB_DAC_PORT: 1591 case SB_FM_PORT: 1592 case SB_CD_PORT: 1593 case SB_MASTER_VOL: 1594 gain = sc->gain[cp->dev]; 1595 1596 switch (cp->dev) { 1597 case SB_MIC_PORT: 1598 if (cp->un.value.num_channels != 1) 1599 return EINVAL; 1600 1601 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = SBP_MICGAIN_TO_AGAIN(gain); 1602 break; 1603 case SB_LINE_IN_PORT: 1604 case SB_DAC_PORT: 1605 case SB_FM_PORT: 1606 case SB_CD_PORT: 1607 case SB_MASTER_VOL: 1608 switch (cp->un.value.num_channels) { 1609 case 1: 1610 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = SBP_SBGAIN_TO_AGAIN(gain); 1611 break; 1612 case 2: 1613 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = SBP_LEFTGAIN(gain); 1614 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = SBP_RIGHTGAIN(gain); 1615 break; 1616 default: 1617 return EINVAL; 1618 } 1619 break; 1620 } 1621 1622 break; 1623 1624 case SB_TREBLE: 1625 case SB_BASS: 1626 case SB_RECORD_SOURCE: 1627 switch (cp->dev) { 1628 case SB_TREBLE: 1629 cp->un.ord = sbdsp_get_ifilter(addr) == SBP_TREBLE_EQ; 1630 return 0; 1631 case SB_BASS: 1632 cp->un.ord = sbdsp_get_ifilter(addr) == SBP_BASS_EQ; 1633 return 0; 1634 case SB_RECORD_SOURCE: 1635 cp->un.ord = sbdsp_get_in_port(addr); 1636 return 0; 1637 } 1638 1639 break; 1640 1641 default: 1642 return EINVAL; 1643 } 1644 1645 return (0); 1646 } 1647 1648 int 1649 sbdsp_mixer_query_devinfo(addr, dip) 1650 void *addr; 1651 register mixer_devinfo_t *dip; 1652 { 1653 register struct sbdsp_softc *sc = addr; 1654 1655 DPRINTF(("sbdsp_mixer_query_devinfo: index=%d\n", dip->index)); 1656 1657 switch (dip->index) { 1658 case SB_MIC_PORT: 1659 dip->type = AUDIO_MIXER_VALUE; 1660 dip->mixer_class = SB_INPUT_CLASS; 1661 dip->prev = AUDIO_MIXER_LAST; 1662 dip->next = AUDIO_MIXER_LAST; 1663 strcpy(dip->label.name, AudioNmicrophone); 1664 dip->un.v.num_channels = 1; 1665 strcpy(dip->un.v.units.name, AudioNvolume); 1666 return 0; 1667 1668 case SB_SPEAKER: 1669 dip->type = AUDIO_MIXER_VALUE; 1670 dip->mixer_class = SB_OUTPUT_CLASS; 1671 dip->prev = AUDIO_MIXER_LAST; 1672 dip->next = AUDIO_MIXER_LAST; 1673 strcpy(dip->label.name, AudioNspeaker); 1674 dip->un.v.num_channels = 1; 1675 strcpy(dip->un.v.units.name, AudioNvolume); 1676 return 0; 1677 1678 case SB_INPUT_CLASS: 1679 dip->type = AUDIO_MIXER_CLASS; 1680 dip->mixer_class = SB_INPUT_CLASS; 1681 dip->next = dip->prev = AUDIO_MIXER_LAST; 1682 strcpy(dip->label.name, AudioCInputs); 1683 return 0; 1684 1685 case SB_OUTPUT_CLASS: 1686 dip->type = AUDIO_MIXER_CLASS; 1687 dip->mixer_class = SB_OUTPUT_CLASS; 1688 dip->next = dip->prev = AUDIO_MIXER_LAST; 1689 strcpy(dip->label.name, AudioCOutputs); 1690 return 0; 1691 } 1692 1693 if (ISSBPROCLASS(sc)) { 1694 switch (dip->index) { 1695 case SB_LINE_IN_PORT: 1696 dip->type = AUDIO_MIXER_VALUE; 1697 dip->mixer_class = SB_INPUT_CLASS; 1698 dip->prev = AUDIO_MIXER_LAST; 1699 dip->next = AUDIO_MIXER_LAST; 1700 strcpy(dip->label.name, AudioNline); 1701 dip->un.v.num_channels = 2; 1702 strcpy(dip->un.v.units.name, AudioNvolume); 1703 return 0; 1704 1705 case SB_DAC_PORT: 1706 dip->type = AUDIO_MIXER_VALUE; 1707 dip->mixer_class = SB_INPUT_CLASS; 1708 dip->prev = AUDIO_MIXER_LAST; 1709 dip->next = AUDIO_MIXER_LAST; 1710 strcpy(dip->label.name, AudioNdac); 1711 dip->un.v.num_channels = 2; 1712 strcpy(dip->un.v.units.name, AudioNvolume); 1713 return 0; 1714 1715 case SB_CD_PORT: 1716 dip->type = AUDIO_MIXER_VALUE; 1717 dip->mixer_class = SB_INPUT_CLASS; 1718 dip->prev = AUDIO_MIXER_LAST; 1719 dip->next = AUDIO_MIXER_LAST; 1720 strcpy(dip->label.name, AudioNcd); 1721 dip->un.v.num_channels = 2; 1722 strcpy(dip->un.v.units.name, AudioNvolume); 1723 return 0; 1724 1725 case SB_FM_PORT: 1726 dip->type = AUDIO_MIXER_VALUE; 1727 dip->mixer_class = SB_INPUT_CLASS; 1728 dip->prev = AUDIO_MIXER_LAST; 1729 dip->next = AUDIO_MIXER_LAST; 1730 strcpy(dip->label.name, AudioNfmsynth); 1731 dip->un.v.num_channels = 2; 1732 strcpy(dip->un.v.units.name, AudioNvolume); 1733 return 0; 1734 1735 case SB_MASTER_VOL: 1736 dip->type = AUDIO_MIXER_VALUE; 1737 dip->mixer_class = SB_OUTPUT_CLASS; 1738 dip->prev = AUDIO_MIXER_LAST; 1739 dip->next = AUDIO_MIXER_LAST; 1740 strcpy(dip->label.name, AudioNvolume); 1741 dip->un.v.num_channels = 2; 1742 strcpy(dip->un.v.units.name, AudioNvolume); 1743 return 0; 1744 1745 case SB_RECORD_SOURCE: 1746 dip->mixer_class = SB_RECORD_CLASS; 1747 dip->type = AUDIO_MIXER_ENUM; 1748 dip->prev = AUDIO_MIXER_LAST; 1749 dip->next = AUDIO_MIXER_LAST; 1750 strcpy(dip->label.name, AudioNsource); 1751 dip->un.e.num_mem = 3; 1752 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone); 1753 dip->un.e.member[0].ord = SB_MIC_PORT; 1754 strcpy(dip->un.e.member[1].label.name, AudioNcd); 1755 dip->un.e.member[1].ord = SB_CD_PORT; 1756 strcpy(dip->un.e.member[2].label.name, AudioNline); 1757 dip->un.e.member[2].ord = SB_LINE_IN_PORT; 1758 return 0; 1759 1760 case SB_BASS: 1761 dip->type = AUDIO_MIXER_ENUM; 1762 dip->mixer_class = SB_INPUT_CLASS; 1763 dip->prev = AUDIO_MIXER_LAST; 1764 dip->next = AUDIO_MIXER_LAST; 1765 strcpy(dip->label.name, AudioNbass); 1766 dip->un.e.num_mem = 2; 1767 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1768 dip->un.e.member[0].ord = 0; 1769 strcpy(dip->un.e.member[1].label.name, AudioNon); 1770 dip->un.e.member[1].ord = 1; 1771 return 0; 1772 1773 case SB_TREBLE: 1774 dip->type = AUDIO_MIXER_ENUM; 1775 dip->mixer_class = SB_INPUT_CLASS; 1776 dip->prev = AUDIO_MIXER_LAST; 1777 dip->next = AUDIO_MIXER_LAST; 1778 strcpy(dip->label.name, AudioNtreble); 1779 dip->un.e.num_mem = 2; 1780 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1781 dip->un.e.member[0].ord = 0; 1782 strcpy(dip->un.e.member[1].label.name, AudioNon); 1783 dip->un.e.member[1].ord = 1; 1784 return 0; 1785 1786 case SB_RECORD_CLASS: /* record source class */ 1787 dip->type = AUDIO_MIXER_CLASS; 1788 dip->mixer_class = SB_RECORD_CLASS; 1789 dip->next = dip->prev = AUDIO_MIXER_LAST; 1790 strcpy(dip->label.name, AudioCRecord); 1791 return 0; 1792 } 1793 } 1794 1795 return ENXIO; 1796 } 1797
Indexes created Sun Sep 28 07:09:56 GMT 2025