sbdsp.c revision 1.42
1 /* $NetBSD: sbdsp.c,v 1.42 1997/04/30 02:08:12 augustss 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 /* 38 * SoundBlaster Pro code provided by John Kohl, based on lots of 39 * information he gleaned from Steve Haehnichen <steve (at) vigra.com>'s 40 * SBlast driver for 386BSD and DOS driver code from Daniel Sachs 41 * <sachs (at) meibm15.cen.uiuc.edu>. 42 */ 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/errno.h> 47 #include <sys/ioctl.h> 48 #include <sys/syslog.h> 49 #include <sys/device.h> 50 #include <sys/proc.h> 51 #include <sys/buf.h> 52 #include <vm/vm.h> 53 54 #include <machine/cpu.h> 55 #include <machine/intr.h> 56 #include <machine/pio.h> 57 58 #include <sys/audioio.h> 59 #include <dev/audio_if.h> 60 61 #include <dev/isa/isavar.h> 62 #include <dev/isa/isadmavar.h> 63 #include <i386/isa/icu.h> /* XXX BROKEN; WHY? */ 64 65 #include <dev/isa/sbreg.h> 66 #include <dev/isa/sbdspvar.h> 67 68 #ifdef AUDIO_DEBUG 69 extern void Dprintf __P((const char *, ...)); 70 #define DPRINTF(x) if (sbdspdebug) Dprintf x 71 int sbdspdebug = 0; 72 #else 73 #define DPRINTF(x) 74 #endif 75 76 #ifndef SBDSP_NPOLL 77 #define SBDSP_NPOLL 3000 78 #endif 79 80 struct { 81 int wdsp; 82 int rdsp; 83 int wmidi; 84 } sberr; 85 86 int sbdsp_srtotc __P((struct sbdsp_softc *sc, int sr, int isdac, 87 int *tcp, int *modep)); 88 u_int sbdsp_jazz16_probe __P((struct sbdsp_softc *)); 89 90 /* 91 * Time constant routines follow. See SBK, section 12. 92 * Although they don't come out and say it (in the docs), 93 * the card clearly uses a 1MHz countdown timer, as the 94 * low-speed formula (p. 12-4) is: 95 * tc = 256 - 10^6 / sr 96 * In high-speed mode, the constant is the upper byte of a 16-bit counter, 97 * and a 256MHz clock is used: 98 * tc = 65536 - 256 * 10^ 6 / sr 99 * Since we can only use the upper byte of the HS TC, the two formulae 100 * are equivalent. (Why didn't they say so?) E.g., 101 * (65536 - 256 * 10 ^ 6 / x) >> 8 = 256 - 10^6 / x 102 * 103 * The crossover point (from low- to high-speed modes) is different 104 * for the SBPRO and SB20. The table on p. 12-5 gives the following data: 105 * 106 * SBPRO SB20 107 * ----- -------- 108 * input ls min 4 KHz 4 KHz 109 * input ls max 23 KHz 13 KHz 110 * input hs max 44.1 KHz 15 KHz 111 * output ls min 4 KHz 4 KHz 112 * output ls max 23 KHz 23 KHz 113 * output hs max 44.1 KHz 44.1 KHz 114 */ 115 #define SB_LS_MIN 0x06 /* 4000 Hz */ 116 #define SB_8K 0x83 /* 8000 Hz */ 117 #define SBPRO_ADC_LS_MAX 0xd4 /* 22727 Hz */ 118 #define SBPRO_ADC_HS_MAX 0xea /* 45454 Hz */ 119 #define SBCLA_ADC_LS_MAX 0xb3 /* 12987 Hz */ 120 #define SBCLA_ADC_HS_MAX 0xbd /* 14925 Hz */ 121 #define SB_DAC_LS_MAX 0xd4 /* 22727 Hz */ 122 #define SB_DAC_HS_MAX 0xea /* 45454 Hz */ 123 124 int sbdsp16_wait __P((struct sbdsp_softc *)); 125 void sbdsp_to __P((void *)); 126 void sbdsp_pause __P((struct sbdsp_softc *)); 127 int sbdsp16_setrate __P((struct sbdsp_softc *, int, int, int *)); 128 int sbdsp_tctosr __P((struct sbdsp_softc *, int)); 129 int sbdsp_set_timeconst __P((struct sbdsp_softc *, int)); 130 int sbdsp_set_io_params __P((struct sbdsp_softc *, struct audio_params *)); 131 132 #ifdef AUDIO_DEBUG 133 void sb_printsc __P((struct sbdsp_softc *)); 134 #endif 135 136 #ifdef AUDIO_DEBUG 137 void 138 sb_printsc(sc) 139 struct sbdsp_softc *sc; 140 { 141 int i; 142 143 printf("open %d dmachan %d/%d/%d iobase %x\n", 144 sc->sc_open, sc->dmachan, sc->sc_drq8, sc->sc_drq16, sc->sc_iobase); 145 printf("irate %d itc %d imode %d orate %d otc %d omode %d encoding %x\n", 146 sc->sc_irate, sc->sc_itc, sc->sc_imode, 147 sc->sc_orate, sc->sc_otc, sc->sc_omode); 148 printf("outport %d inport %d spkron %d nintr %lu\n", 149 sc->out_port, sc->in_port, sc->spkr_state, sc->sc_interrupts); 150 printf("precision %d channels %d intr %p arg %p\n", 151 sc->sc_precision, sc->sc_channels, sc->sc_intr, sc->sc_arg); 152 printf("gain: "); 153 for (i = 0; i < SB_NDEVS; i++) 154 printf("%d ", sc->gain[i]); 155 printf("\n"); 156 } 157 #endif 158 159 /* 160 * Probe / attach routines. 161 */ 162 163 /* 164 * Probe for the soundblaster hardware. 165 */ 166 int 167 sbdsp_probe(sc) 168 struct sbdsp_softc *sc; 169 { 170 171 if (sbdsp_reset(sc) < 0) { 172 DPRINTF(("sbdsp: couldn't reset card\n")); 173 return 0; 174 } 175 /* if flags set, go and probe the jazz16 stuff */ 176 if (sc->sc_dev.dv_cfdata->cf_flags != 0) { 177 sc->sc_model = sbdsp_jazz16_probe(sc); 178 } else { 179 sc->sc_model = sbversion(sc); 180 } 181 182 sc->sc_model = 0x100; /* XXX pretend to be just a tired old SB XXX */ 183 184 return 1; 185 } 186 187 /* 188 * Try add-on stuff for Jazz16. 189 */ 190 u_int 191 sbdsp_jazz16_probe(sc) 192 struct sbdsp_softc *sc; 193 { 194 static u_char jazz16_irq_conf[16] = { 195 -1, -1, 0x02, 0x03, 196 -1, 0x01, -1, 0x04, 197 -1, 0x02, 0x05, -1, 198 -1, -1, -1, 0x06}; 199 static u_char jazz16_drq_conf[8] = { 200 -1, 0x01, -1, 0x02, 201 -1, 0x03, -1, 0x04}; 202 203 u_int rval = sbversion(sc); 204 bus_space_tag_t iot = sc->sc_iot; 205 bus_space_handle_t ioh; 206 207 DPRINTF(("jazz16 probe\n")); 208 209 if (bus_space_map(iot, JAZZ16_CONFIG_PORT, 1, 0, &ioh)) { 210 DPRINTF(("bus map failed\n")); 211 return rval; 212 } 213 214 if (jazz16_drq_conf[sc->sc_drq8] == (u_char)-1 || 215 jazz16_irq_conf[sc->sc_irq] == (u_char)-1) { 216 DPRINTF(("drq/irq check failed\n")); 217 goto done; /* give up, we can't do it. */ 218 } 219 220 bus_space_write_1(iot, ioh, 0, JAZZ16_WAKEUP); 221 delay(10000); /* delay 10 ms */ 222 bus_space_write_1(iot, ioh, 0, JAZZ16_SETBASE); 223 bus_space_write_1(iot, ioh, 0, sc->sc_iobase & 0x70); 224 225 if (sbdsp_reset(sc) < 0) { 226 DPRINTF(("sbdsp_reset check failed\n")); 227 goto done; /* XXX? what else could we do? */ 228 } 229 230 if (sbdsp_wdsp(sc, JAZZ16_READ_VER)) { 231 DPRINTF(("read16 setup failed\n")); 232 goto done; 233 } 234 235 if (sbdsp_rdsp(sc) != JAZZ16_VER_JAZZ) { 236 DPRINTF(("read16 failed\n")); 237 goto done; 238 } 239 240 /* XXX set both 8 & 16-bit drq to same channel, it works fine. */ 241 sc->sc_drq16 = sc->sc_drq8; 242 if (sbdsp_wdsp(sc, JAZZ16_SET_DMAINTR) || 243 sbdsp_wdsp(sc, (jazz16_drq_conf[sc->sc_drq16] << 4) | 244 jazz16_drq_conf[sc->sc_drq8]) || 245 sbdsp_wdsp(sc, jazz16_irq_conf[sc->sc_irq])) { 246 DPRINTF(("sbdsp: can't write jazz16 probe stuff\n")); 247 } else { 248 DPRINTF(("jazz16 detected!\n")); 249 rval |= MODEL_JAZZ16; 250 } 251 252 done: 253 bus_space_unmap(iot, ioh, 1); 254 return rval; 255 } 256 257 /* 258 * Attach hardware to driver, attach hardware driver to audio 259 * pseudo-device driver . 260 */ 261 void 262 sbdsp_attach(sc) 263 struct sbdsp_softc *sc; 264 { 265 266 /* Set defaults */ 267 if (ISSB16CLASS(sc)) 268 sc->sc_irate = sc->sc_orate = 8000; 269 else if (ISSBPROCLASS(sc)) 270 sc->sc_itc = sc->sc_otc = SB_8K; 271 else 272 sc->sc_itc = sc->sc_otc = SB_8K; 273 sc->sc_precision = 8; 274 sc->sc_channels = 1; 275 276 (void) sbdsp_set_in_port(sc, SB_MIC_PORT); 277 (void) sbdsp_set_out_port(sc, SB_SPEAKER); 278 279 if (ISSBPROCLASS(sc)) { 280 int i; 281 282 /* set mixer to default levels, by sending a mixer 283 reset command. */ 284 sbdsp_mix_write(sc, SBP_MIX_RESET, SBP_MIX_RESET); 285 /* then some adjustments :) */ 286 sbdsp_mix_write(sc, SBP_CD_VOL, 287 sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL)); 288 sbdsp_mix_write(sc, SBP_DAC_VOL, 289 sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL)); 290 sbdsp_mix_write(sc, SBP_MASTER_VOL, 291 sbdsp_stereo_vol(SBP_MAXVOL/2, SBP_MAXVOL/2)); 292 sbdsp_mix_write(sc, SBP_LINE_VOL, 293 sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL)); 294 for (i = 0; i < SB_NDEVS; i++) 295 sc->gain[i] = sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL); 296 sc->in_filter = 0; /* no filters turned on, please */ 297 } 298 299 printf(": dsp v%d.%02d%s\n", 300 SBVER_MAJOR(sc->sc_model), SBVER_MINOR(sc->sc_model), 301 ISJAZZ16(sc) ? ": <Jazz16>" : ""); 302 } 303 304 /* 305 * Various routines to interface to higher level audio driver 306 */ 307 308 void 309 sbdsp_mix_write(sc, mixerport, val) 310 struct sbdsp_softc *sc; 311 int mixerport; 312 int val; 313 { 314 bus_space_tag_t iot = sc->sc_iot; 315 bus_space_handle_t ioh = sc->sc_ioh; 316 317 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 318 delay(10); 319 bus_space_write_1(iot, ioh, SBP_MIXER_DATA, val); 320 delay(30); 321 } 322 323 int 324 sbdsp_mix_read(sc, mixerport) 325 struct sbdsp_softc *sc; 326 int mixerport; 327 { 328 bus_space_tag_t iot = sc->sc_iot; 329 bus_space_handle_t ioh = sc->sc_ioh; 330 331 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 332 delay(10); 333 return bus_space_read_1(iot, ioh, SBP_MIXER_DATA); 334 } 335 336 int 337 sbdsp_query_encoding(addr, fp) 338 void *addr; 339 struct audio_encoding *fp; 340 { 341 switch (fp->index) { 342 case 0: 343 strcpy(fp->name, AudioEmulaw); 344 fp->format_id = AUDIO_ENCODING_ULAW; 345 break; 346 case 1: 347 strcpy(fp->name, AudioEpcm16); 348 fp->format_id = AUDIO_ENCODING_PCM16; 349 break; 350 default: 351 return (EINVAL); 352 } 353 return (0); 354 } 355 356 int 357 sbdsp_set_io_params(sc, p) 358 struct sbdsp_softc *sc; 359 struct audio_params *p; 360 { 361 362 switch (p->encoding) { 363 case AUDIO_ENCODING_ULAW: 364 case AUDIO_ENCODING_PCM16: 365 case AUDIO_ENCODING_PCM8: 366 break; 367 default: 368 return (EINVAL); 369 } 370 371 if (ISSB16CLASS(sc) || ISJAZZ16(sc)) { 372 if (p->precision != 16 && p->precision != 8) 373 return (EINVAL); 374 } else { 375 if (p->precision != 8) 376 return (EINVAL); 377 } 378 379 if (ISSBPROCLASS(sc)) { 380 if (p->channels != 1 && p->channels != 2) 381 return (EINVAL); 382 if (p->channels == 2 && p->sample_rate > 22000) 383 return (EINVAL); 384 } else { 385 if (p->channels != 1) 386 return (EINVAL); 387 } 388 389 return (0); 390 } 391 392 int 393 sbdsp_set_in_params(addr, p) 394 void *addr; 395 struct audio_params *p; 396 { 397 register struct sbdsp_softc *sc = addr; 398 int error; 399 400 error = sbdsp_set_io_params(sc, p); 401 if (error) 402 return error; 403 404 if (ISSB16CLASS(sc)) 405 error = sbdsp16_setrate(sc, p->sample_rate, SB_INPUT_RATE, &sc->sc_irate); 406 else 407 error = sbdsp_srtotc(sc, p->sample_rate, SB_INPUT_RATE, &sc->sc_itc, &sc->sc_imode); 408 if (error) 409 return error; 410 411 sc->sc_precision = p->precision; 412 sc->sc_channels = p->channels; 413 if (ISSB16CLASS(sc)) 414 p->sample_rate = sc->sc_irate; 415 else 416 p->sample_rate = sbdsp_tctosr(sc, sc->sc_itc); 417 return 0; 418 } 419 420 int 421 sbdsp_set_out_params(addr, p) 422 void *addr; 423 struct audio_params *p; 424 { 425 register struct sbdsp_softc *sc = addr; 426 int error; 427 428 error = sbdsp_set_io_params(sc, p); 429 if (error) 430 return error; 431 432 if (ISSB16CLASS(sc)) 433 error = sbdsp16_setrate(sc, p->sample_rate, SB_OUTPUT_RATE, &sc->sc_orate); 434 else 435 error = sbdsp_srtotc(sc, p->sample_rate, SB_OUTPUT_RATE, &sc->sc_otc, &sc->sc_omode); 436 if (error) 437 return error; 438 439 sc->sc_precision = p->precision; 440 sc->sc_channels = p->channels; 441 if (ISSB16CLASS(sc)) 442 p->sample_rate = sc->sc_orate; 443 else 444 p->sample_rate = sbdsp_tctosr(sc, sc->sc_otc); 445 return 0; 446 } 447 448 int 449 sbdsp_set_ifilter(addr, which) 450 void *addr; 451 int which; 452 { 453 register struct sbdsp_softc *sc = addr; 454 int mixval; 455 456 /* XXXX SB16 */ 457 if (ISSBPROCLASS(sc)) { 458 mixval = sbdsp_mix_read(sc, SBP_INFILTER) & ~SBP_IFILTER_MASK; 459 switch (which) { 460 case 0: 461 mixval |= SBP_FILTER_OFF; 462 break; 463 case SBP_TREBLE_EQ: 464 mixval |= SBP_FILTER_ON | SBP_IFILTER_HIGH; 465 break; 466 case SBP_BASS_EQ: 467 mixval |= SBP_FILTER_ON | SBP_IFILTER_LOW; 468 break; 469 default: 470 return (EINVAL); 471 } 472 sc->in_filter = mixval & SBP_IFILTER_MASK; 473 sbdsp_mix_write(sc, SBP_INFILTER, mixval); 474 return (0); 475 } else 476 return (EINVAL); 477 } 478 479 int 480 sbdsp_get_ifilter(addr) 481 void *addr; 482 { 483 register struct sbdsp_softc *sc = addr; 484 485 /* XXXX SB16 */ 486 if (ISSBPROCLASS(sc)) { 487 sc->in_filter = 488 sbdsp_mix_read(sc, SBP_INFILTER) & SBP_IFILTER_MASK; 489 switch (sc->in_filter) { 490 case SBP_FILTER_ON|SBP_IFILTER_HIGH: 491 return (SBP_TREBLE_EQ); 492 case SBP_FILTER_ON|SBP_IFILTER_LOW: 493 return (SBP_BASS_EQ); 494 case SBP_FILTER_OFF: 495 default: 496 return (0); 497 } 498 } else 499 return (0); 500 } 501 502 int 503 sbdsp_set_out_port(addr, port) 504 void *addr; 505 int port; 506 { 507 register struct sbdsp_softc *sc = addr; 508 509 sc->out_port = port; /* Just record it */ 510 511 return (0); 512 } 513 514 int 515 sbdsp_get_out_port(addr) 516 void *addr; 517 { 518 register struct sbdsp_softc *sc = addr; 519 520 return (sc->out_port); 521 } 522 523 524 int 525 sbdsp_set_in_port(addr, port) 526 void *addr; 527 int port; 528 { 529 register struct sbdsp_softc *sc = addr; 530 int mixport, sbport; 531 532 if (ISSBPROCLASS(sc)) { 533 switch (port) { 534 case SB_MIC_PORT: 535 sbport = SBP_FROM_MIC; 536 mixport = SBP_MIC_VOL; 537 break; 538 case SB_LINE_IN_PORT: 539 sbport = SBP_FROM_LINE; 540 mixport = SBP_LINE_VOL; 541 break; 542 case SB_CD_PORT: 543 sbport = SBP_FROM_CD; 544 mixport = SBP_CD_VOL; 545 break; 546 case SB_DAC_PORT: 547 case SB_FM_PORT: 548 default: 549 return (EINVAL); 550 } 551 } else { 552 switch (port) { 553 case SB_MIC_PORT: 554 sbport = SBP_FROM_MIC; 555 mixport = SBP_MIC_VOL; 556 break; 557 default: 558 return (EINVAL); 559 } 560 } 561 562 sc->in_port = port; /* Just record it */ 563 564 /* XXXX SB16 */ 565 if (ISSBPROCLASS(sc)) { 566 /* record from that port */ 567 sbdsp_mix_write(sc, SBP_RECORD_SOURCE, 568 SBP_RECORD_FROM(sbport, SBP_FILTER_OFF, SBP_IFILTER_HIGH)); 569 /* fetch gain from that port */ 570 sc->gain[port] = sbdsp_mix_read(sc, mixport); 571 } 572 573 return (0); 574 } 575 576 int 577 sbdsp_get_in_port(addr) 578 void *addr; 579 { 580 register struct sbdsp_softc *sc = addr; 581 582 return (sc->in_port); 583 } 584 585 586 int 587 sbdsp_speaker_ctl(addr, newstate) 588 void *addr; 589 int newstate; 590 { 591 register struct sbdsp_softc *sc = addr; 592 593 if ((newstate == SPKR_ON) && 594 (sc->spkr_state == SPKR_OFF)) { 595 sbdsp_spkron(sc); 596 sc->spkr_state = SPKR_ON; 597 } 598 if ((newstate == SPKR_OFF) && 599 (sc->spkr_state == SPKR_ON)) { 600 sbdsp_spkroff(sc); 601 sc->spkr_state = SPKR_OFF; 602 } 603 return(0); 604 } 605 606 int 607 sbdsp_round_blocksize(addr, blk) 608 void *addr; 609 int blk; 610 { 611 register struct sbdsp_softc *sc = addr; 612 613 sc->sc_last_hs_size = 0; 614 615 /* Don't try to DMA too much at once. */ 616 if (blk > NBPG) 617 blk = NBPG; 618 619 /* Round to a multiple of the sample size. */ 620 blk &= -(sc->sc_channels * sc->sc_precision / 8); 621 622 return (blk); 623 } 624 625 int 626 sbdsp_commit_settings(addr) 627 void *addr; 628 { 629 register struct sbdsp_softc *sc = addr; 630 631 /* XXX these can me moved to sddsp_io_params() now */ 632 633 /* due to potentially unfortunate ordering in the above layers, 634 re-do a few sets which may be important--input gains 635 (adjust the proper channels), number of input channels (hit the 636 record rate and set mode) */ 637 638 if (ISSBPRO(sc)) { 639 /* 640 * With 2 channels, SBPro can't do more than 22kHz. 641 * Whack the rates down to speed if necessary. 642 * Reset the time constant anyway 643 * because it may have been adjusted with a different number 644 * of channels, which means it might have computed the wrong 645 * mode (low/high speed). 646 */ 647 if (sc->sc_channels == 2 && 648 sbdsp_tctosr(sc, sc->sc_itc) > 22727) { 649 sbdsp_srtotc(sc, 22727, SB_INPUT_RATE, 650 &sc->sc_itc, &sc->sc_imode); 651 } else 652 sbdsp_srtotc(sc, sbdsp_tctosr(sc, sc->sc_itc), 653 SB_INPUT_RATE, &sc->sc_itc, 654 &sc->sc_imode); 655 656 if (sc->sc_channels == 2 && 657 sbdsp_tctosr(sc, sc->sc_otc) > 22727) { 658 sbdsp_srtotc(sc, 22727, SB_OUTPUT_RATE, 659 &sc->sc_otc, &sc->sc_omode); 660 } else 661 sbdsp_srtotc(sc, sbdsp_tctosr(sc, sc->sc_otc), 662 SB_OUTPUT_RATE, &sc->sc_otc, 663 &sc->sc_omode); 664 } 665 666 /* 667 * XXX 668 * Should wait for chip to be idle. 669 */ 670 sc->sc_dmadir = SB_DMA_NONE; 671 672 return 0; 673 } 674 675 676 int 677 sbdsp_open(sc, dev, flags) 678 register struct sbdsp_softc *sc; 679 dev_t dev; 680 int flags; 681 { 682 DPRINTF(("sbdsp_open: sc=0x%x\n", sc)); 683 684 if (sc->sc_open != 0 || sbdsp_reset(sc) != 0) 685 return ENXIO; 686 687 sc->sc_open = 1; 688 sc->sc_mintr = 0; 689 if (ISSBPROCLASS(sc) && 690 sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) { 691 DPRINTF(("sbdsp_open: can't set mono mode\n")); 692 /* we'll readjust when it's time for DMA. */ 693 } 694 695 /* 696 * Leave most things as they were; users must change things if 697 * the previous process didn't leave it they way they wanted. 698 * Looked at another way, it's easy to set up a configuration 699 * in one program and leave it for another to inherit. 700 */ 701 DPRINTF(("sbdsp_open: opened\n")); 702 703 return 0; 704 } 705 706 void 707 sbdsp_close(addr) 708 void *addr; 709 { 710 struct sbdsp_softc *sc = addr; 711 712 DPRINTF(("sbdsp_close: sc=0x%x\n", sc)); 713 714 sc->sc_open = 0; 715 sbdsp_spkroff(sc); 716 sc->spkr_state = SPKR_OFF; 717 sc->sc_mintr = 0; 718 sbdsp_haltdma(sc); 719 720 DPRINTF(("sbdsp_close: closed\n")); 721 } 722 723 /* 724 * Lower-level routines 725 */ 726 727 /* 728 * Reset the card. 729 * Return non-zero if the card isn't detected. 730 */ 731 int 732 sbdsp_reset(sc) 733 register struct sbdsp_softc *sc; 734 { 735 bus_space_tag_t iot = sc->sc_iot; 736 bus_space_handle_t ioh = sc->sc_ioh; 737 738 sc->sc_intr = 0; 739 if (sc->sc_dmadir != SB_DMA_NONE) { 740 isa_dmaabort(sc->dmachan); 741 sc->sc_dmadir = SB_DMA_NONE; 742 } 743 sc->sc_last_hs_size = 0; 744 745 /* 746 * See SBK, section 11.3. 747 * We pulse a reset signal into the card. 748 * Gee, what a brilliant hardware design. 749 */ 750 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 1); 751 delay(10); 752 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 0); 753 delay(30); 754 if (sbdsp_rdsp(sc) != SB_MAGIC) 755 return -1; 756 757 return 0; 758 } 759 760 int 761 sbdsp16_wait(sc) 762 struct sbdsp_softc *sc; 763 { 764 bus_space_tag_t iot = sc->sc_iot; 765 bus_space_handle_t ioh = sc->sc_ioh; 766 register int i; 767 768 for (i = SBDSP_NPOLL; --i >= 0; ) { 769 register u_char x; 770 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 771 delay(10); 772 if ((x & SB_DSP_BUSY) == 0) 773 continue; 774 return 0; 775 } 776 ++sberr.wdsp; 777 return -1; 778 } 779 780 /* 781 * Write a byte to the dsp. 782 * XXX We are at the mercy of the card as we use a 783 * polling loop and wait until it can take the byte. 784 */ 785 int 786 sbdsp_wdsp(sc, v) 787 struct sbdsp_softc *sc; 788 int v; 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 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, v); 801 delay(10); 802 return 0; 803 } 804 ++sberr.wdsp; 805 return -1; 806 } 807 808 /* 809 * Read a byte from the DSP, using polling. 810 */ 811 int 812 sbdsp_rdsp(sc) 813 struct sbdsp_softc *sc; 814 { 815 bus_space_tag_t iot = sc->sc_iot; 816 bus_space_handle_t ioh = sc->sc_ioh; 817 register int i; 818 819 for (i = SBDSP_NPOLL; --i >= 0; ) { 820 register u_char x; 821 x = bus_space_read_1(iot, ioh, SBP_DSP_RSTAT); 822 delay(10); 823 if ((x & SB_DSP_READY) == 0) 824 continue; 825 x = bus_space_read_1(iot, ioh, SBP_DSP_READ); 826 delay(10); 827 return x; 828 } 829 ++sberr.rdsp; 830 return -1; 831 } 832 833 /* 834 * Doing certain things (like toggling the speaker) make 835 * the SB hardware go away for a while, so pause a little. 836 */ 837 void 838 sbdsp_to(arg) 839 void *arg; 840 { 841 wakeup(arg); 842 } 843 844 void 845 sbdsp_pause(sc) 846 struct sbdsp_softc *sc; 847 { 848 extern int hz; 849 850 timeout(sbdsp_to, sbdsp_to, hz/8); 851 (void)tsleep(sbdsp_to, PWAIT, "sbpause", 0); 852 } 853 854 /* 855 * Turn on the speaker. The SBK documention says this operation 856 * can take up to 1/10 of a second. Higher level layers should 857 * probably let the task sleep for this amount of time after 858 * calling here. Otherwise, things might not work (because 859 * sbdsp_wdsp() and sbdsp_rdsp() will probably timeout.) 860 * 861 * These engineers had their heads up their ass when 862 * they designed this card. 863 */ 864 void 865 sbdsp_spkron(sc) 866 struct sbdsp_softc *sc; 867 { 868 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_ON); 869 sbdsp_pause(sc); 870 } 871 872 /* 873 * Turn off the speaker; see comment above. 874 */ 875 void 876 sbdsp_spkroff(sc) 877 struct sbdsp_softc *sc; 878 { 879 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_OFF); 880 sbdsp_pause(sc); 881 } 882 883 /* 884 * Read the version number out of the card. Return major code 885 * in high byte, and minor code in low byte. 886 */ 887 short 888 sbversion(sc) 889 struct sbdsp_softc *sc; 890 { 891 short v; 892 893 if (sbdsp_wdsp(sc, SB_DSP_VERSION) < 0) 894 return 0; 895 v = sbdsp_rdsp(sc) << 8; 896 v |= sbdsp_rdsp(sc); 897 return ((v >= 0) ? v : 0); 898 } 899 900 /* 901 * Halt a DMA in progress. A low-speed transfer can be 902 * resumed with sbdsp_contdma(). 903 */ 904 int 905 sbdsp_haltdma(addr) 906 void *addr; 907 { 908 register struct sbdsp_softc *sc = addr; 909 910 DPRINTF(("sbdsp_haltdma: sc=0x%x\n", sc)); 911 912 sbdsp_reset(sc); 913 return 0; 914 } 915 916 int 917 sbdsp_contdma(addr) 918 void *addr; 919 { 920 register struct sbdsp_softc *sc = addr; 921 922 DPRINTF(("sbdsp_contdma: sc=0x%x\n", sc)); 923 924 /* XXX how do we reinitialize the DMA controller state? do we care? */ 925 (void)sbdsp_wdsp(sc, SB_DSP_CONT); 926 return(0); 927 } 928 929 int 930 sbdsp16_setrate(sc, sr, isdac, ratep) 931 register struct sbdsp_softc *sc; 932 int sr; 933 int isdac; 934 int *ratep; 935 { 936 937 /* 938 * XXXX 939 * More checks here? 940 */ 941 if (sr < 5000 || sr > 45454) 942 return (EINVAL); 943 *ratep = sr; 944 return (0); 945 } 946 947 /* 948 * Convert a linear sampling rate into the DAC time constant. 949 * Set *mode to indicate the high/low-speed DMA operation. 950 * Because of limitations of the card, not all rates are possible. 951 * We return the time constant of the closest possible rate. 952 * The sampling rate limits are different for the DAC and ADC, 953 * so isdac indicates output, and !isdac indicates input. 954 */ 955 int 956 sbdsp_srtotc(sc, sr, isdac, tcp, modep) 957 register struct sbdsp_softc *sc; 958 int sr; 959 int isdac; 960 int *tcp, *modep; 961 { 962 int tc, realtc, mode; 963 964 /* 965 * Don't forget to compute which mode we'll be in based on whether 966 * we need to double the rate for stereo on SBPRO. 967 */ 968 969 if (sr == 0) { 970 tc = SB_LS_MIN; 971 mode = SB_ADAC_LS; 972 goto out; 973 } 974 975 tc = 256 - (1000000 / sr); 976 977 if (sc->sc_channels == 2 && ISSBPRO(sc)) 978 /* compute based on 2x sample rate when needed */ 979 realtc = 256 - ( 500000 / sr); 980 else 981 realtc = tc; 982 983 if (tc < SB_LS_MIN) { 984 tc = SB_LS_MIN; 985 mode = SB_ADAC_LS; /* NB: 2x minimum speed is still low 986 * speed mode. */ 987 goto out; 988 } else if (isdac) { 989 if (realtc <= SB_DAC_LS_MAX) 990 mode = SB_ADAC_LS; 991 else { 992 mode = SB_ADAC_HS; 993 if (tc > SB_DAC_HS_MAX) 994 tc = SB_DAC_HS_MAX; 995 } 996 } else { 997 int adc_ls_max, adc_hs_max; 998 999 /* XXX use better rounding--compare distance to nearest tc on both 1000 sides of requested speed */ 1001 if (ISSBPROCLASS(sc)) { 1002 adc_ls_max = SBPRO_ADC_LS_MAX; 1003 adc_hs_max = SBPRO_ADC_HS_MAX; 1004 } else { 1005 adc_ls_max = SBCLA_ADC_LS_MAX; 1006 adc_hs_max = SBCLA_ADC_HS_MAX; 1007 } 1008 1009 if (realtc <= adc_ls_max) 1010 mode = SB_ADAC_LS; 1011 else { 1012 mode = SB_ADAC_HS; 1013 if (tc > adc_hs_max) 1014 tc = adc_hs_max; 1015 } 1016 } 1017 1018 out: 1019 *tcp = tc; 1020 *modep = mode; 1021 return (0); 1022 } 1023 1024 /* 1025 * Convert a DAC time constant to a sampling rate. 1026 * See SBK, section 12. 1027 */ 1028 int 1029 sbdsp_tctosr(sc, tc) 1030 register struct sbdsp_softc *sc; 1031 int tc; 1032 { 1033 int adc; 1034 1035 if (ISSBPROCLASS(sc)) 1036 adc = SBPRO_ADC_HS_MAX; 1037 else 1038 adc = SBCLA_ADC_HS_MAX; 1039 1040 if (tc > adc) 1041 tc = adc; 1042 1043 return (1000000 / (256 - tc)); 1044 } 1045 1046 int 1047 sbdsp_set_timeconst(sc, tc) 1048 register struct sbdsp_softc *sc; 1049 int tc; 1050 { 1051 /* 1052 * A SBPro in stereo mode uses time constants at double the 1053 * actual rate. 1054 */ 1055 if (ISSBPRO(sc) && sc->sc_channels == 2) 1056 tc = 256 - ((256 - tc) / 2); 1057 1058 DPRINTF(("sbdsp_set_timeconst: sc=%p tc=%d\n", sc, tc)); 1059 1060 if (sbdsp_wdsp(sc, SB_DSP_TIMECONST) < 0 || 1061 sbdsp_wdsp(sc, tc) < 0) 1062 return (EIO); 1063 1064 return (0); 1065 } 1066 1067 int 1068 sbdsp_dma_input(addr, p, cc, intr, arg) 1069 void *addr; 1070 void *p; 1071 int cc; 1072 void (*intr) __P((void *)); 1073 void *arg; 1074 { 1075 register struct sbdsp_softc *sc = addr; 1076 1077 #ifdef AUDIO_DEBUG 1078 if (sbdspdebug > 1) 1079 Dprintf("sbdsp_dma_input: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1080 #endif 1081 if (sc->sc_channels == 2 && (cc & 1)) { 1082 DPRINTF(("sbdsp_dma_input: stereo input, odd bytecnt\n")); 1083 return EIO; 1084 } 1085 1086 if (sc->sc_dmadir != SB_DMA_IN) { 1087 if (ISSBPRO(sc)) { 1088 if (sc->sc_channels == 2) { 1089 if (ISJAZZ16(sc) && sc->sc_precision == 16) { 1090 if (sbdsp_wdsp(sc, 1091 JAZZ16_RECORD_STEREO) < 0) { 1092 goto badmode; 1093 } 1094 } else if (sbdsp_wdsp(sc, 1095 SB_DSP_RECORD_STEREO) < 0) 1096 goto badmode; 1097 sbdsp_mix_write(sc, SBP_INFILTER, 1098 (sbdsp_mix_read(sc, SBP_INFILTER) & 1099 ~SBP_IFILTER_MASK) | SBP_FILTER_OFF); 1100 } else { 1101 if (ISJAZZ16(sc) && sc->sc_precision == 16) { 1102 if (sbdsp_wdsp(sc, 1103 JAZZ16_RECORD_MONO) < 0) 1104 { 1105 goto badmode; 1106 } 1107 } else if (sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) 1108 goto badmode; 1109 sbdsp_mix_write(sc, SBP_INFILTER, 1110 (sbdsp_mix_read(sc, SBP_INFILTER) & 1111 ~SBP_IFILTER_MASK) | sc->in_filter); 1112 } 1113 } 1114 1115 if (ISSB16CLASS(sc)) { 1116 if (sbdsp_wdsp(sc, SB_DSP16_INPUTRATE) < 0 || 1117 sbdsp_wdsp(sc, sc->sc_irate >> 8) < 0 || 1118 sbdsp_wdsp(sc, sc->sc_irate) < 0) 1119 goto giveup; 1120 } else 1121 sbdsp_set_timeconst(sc, sc->sc_itc); 1122 1123 sc->sc_dmadir = SB_DMA_IN; 1124 sc->dmaflags = DMAMODE_READ; 1125 if (ISSB2CLASS(sc)) 1126 sc->dmaflags |= DMAMODE_LOOP; 1127 } else { 1128 /* Already started; just return. */ 1129 if (ISSB2CLASS(sc)) 1130 return 0; 1131 } 1132 1133 sc->dmaaddr = p; 1134 sc->dmacnt = ISSB2CLASS(sc) ? (NBPG/cc)*cc : cc; 1135 sc->dmachan = sc->sc_precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 1136 isa_dmastart(sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->dmachan); 1137 sc->sc_intr = intr; 1138 sc->sc_arg = arg; 1139 1140 if (sc->sc_precision == 16) 1141 cc >>= 1; 1142 --cc; 1143 if (ISSB16CLASS(sc)) { 1144 if (sbdsp_wdsp(sc, sc->sc_precision == 16 ? SB_DSP16_RDMA_16 : 1145 SB_DSP16_RDMA_8) < 0 || 1146 sbdsp_wdsp(sc, (sc->sc_precision == 16 ? 0x10 : 0x00) | 1147 (sc->sc_channels == 2 ? 0x20 : 0x00)) < 0 || 1148 sbdsp16_wait(sc) || 1149 sbdsp_wdsp(sc, cc) < 0 || 1150 sbdsp_wdsp(sc, cc >> 8) < 0) { 1151 DPRINTF(("sbdsp_dma_input: SB16 DMA start failed\n")); 1152 goto giveup; 1153 } 1154 } else if (ISSB2CLASS(sc)) { 1155 if (cc != sc->sc_last_hs_size) { 1156 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1157 sbdsp_wdsp(sc, cc) < 0 || 1158 sbdsp_wdsp(sc, cc >> 8) < 0) { 1159 DPRINTF(("sbdsp_dma_input: SB2 DMA start failed\n")); 1160 goto giveup; 1161 } 1162 sc->sc_last_hs_size = cc; 1163 } 1164 if (sbdsp_wdsp(sc, 1165 sc->sc_imode == SB_ADAC_LS ? SB_DSP_RDMA_LOOP : 1166 SB_DSP_HS_INPUT) < 0) { 1167 DPRINTF(("sbdsp_dma_input: SB2 DMA restart failed\n")); 1168 goto giveup; 1169 } 1170 } else { 1171 if (sbdsp_wdsp(sc, SB_DSP_RDMA) < 0 || 1172 sbdsp_wdsp(sc, cc) < 0 || 1173 sbdsp_wdsp(sc, cc >> 8) < 0) { 1174 DPRINTF(("sbdsp_dma_input: SB1 DMA start failed\n")); 1175 goto giveup; 1176 } 1177 } 1178 return 0; 1179 1180 giveup: 1181 sbdsp_reset(sc); 1182 return EIO; 1183 1184 badmode: 1185 DPRINTF(("sbdsp_dma_input: can't set %s mode\n", 1186 sc->sc_channels == 2 ? "stereo" : "mono")); 1187 return EIO; 1188 } 1189 1190 int 1191 sbdsp_dma_output(addr, p, cc, intr, arg) 1192 void *addr; 1193 void *p; 1194 int cc; 1195 void (*intr) __P((void *)); 1196 void *arg; 1197 { 1198 register struct sbdsp_softc *sc = addr; 1199 1200 #ifdef AUDIO_DEBUG 1201 if (sbdspdebug > 1) 1202 Dprintf("sbdsp_dma_output: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1203 #endif 1204 if (sc->sc_channels == 2 && (cc & 1)) { 1205 DPRINTF(("stereo playback odd bytes (%d)\n", cc)); 1206 return EIO; 1207 } 1208 1209 if (sc->sc_dmadir != SB_DMA_OUT) { 1210 if (ISSBPRO(sc)) { 1211 /* make sure we re-set stereo mixer bit when we start 1212 output. */ 1213 sbdsp_mix_write(sc, SBP_STEREO, 1214 (sbdsp_mix_read(sc, SBP_STEREO) & ~SBP_PLAYMODE_MASK) | 1215 (sc->sc_channels == 2 ? SBP_PLAYMODE_STEREO : SBP_PLAYMODE_MONO)); 1216 if (ISJAZZ16(sc)) { 1217 /* Yes, we write the record mode to set 1218 16-bit playback mode. weird, huh? */ 1219 if (sc->sc_precision == 16) { 1220 sbdsp_wdsp(sc, 1221 sc->sc_channels == 2 ? 1222 JAZZ16_RECORD_STEREO : 1223 JAZZ16_RECORD_MONO); 1224 } else { 1225 sbdsp_wdsp(sc, 1226 sc->sc_channels == 2 ? 1227 SB_DSP_RECORD_STEREO : 1228 SB_DSP_RECORD_MONO); 1229 } 1230 } 1231 } 1232 1233 if (ISSB16CLASS(sc)) { 1234 if (sbdsp_wdsp(sc, SB_DSP16_OUTPUTRATE) < 0 || 1235 sbdsp_wdsp(sc, sc->sc_orate >> 8) < 0 || 1236 sbdsp_wdsp(sc, sc->sc_orate) < 0) 1237 goto giveup; 1238 } else 1239 sbdsp_set_timeconst(sc, sc->sc_otc); 1240 1241 sc->sc_dmadir = SB_DMA_OUT; 1242 sc->dmaflags = DMAMODE_WRITE; 1243 if (ISSB2CLASS(sc)) 1244 sc->dmaflags |= DMAMODE_LOOP; 1245 } else { 1246 /* Already started; just return. */ 1247 if (ISSB2CLASS(sc)) 1248 return 0; 1249 } 1250 1251 sc->dmaaddr = p; 1252 sc->dmacnt = ISSB2CLASS(sc) ? (NBPG/cc)*cc : cc; 1253 sc->dmachan = sc->sc_precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 1254 isa_dmastart(sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->dmachan); 1255 sc->sc_intr = intr; 1256 sc->sc_arg = arg; 1257 1258 if (sc->sc_precision == 16) 1259 cc >>= 1; 1260 --cc; 1261 if (ISSB16CLASS(sc)) { 1262 if (sbdsp_wdsp(sc, sc->sc_precision == 16 ? SB_DSP16_WDMA_16 : 1263 SB_DSP16_WDMA_8) < 0 || 1264 sbdsp_wdsp(sc, (sc->sc_precision == 16 ? 0x10 : 0x00) | 1265 (sc->sc_channels == 2 ? 0x20 : 0x00)) < 0 || 1266 sbdsp16_wait(sc) || 1267 sbdsp_wdsp(sc, cc) < 0 || 1268 sbdsp_wdsp(sc, cc >> 8) < 0) { 1269 DPRINTF(("sbdsp_dma_output: SB16 DMA start failed\n")); 1270 goto giveup; 1271 } 1272 } else if (ISSB2CLASS(sc)) { 1273 if (cc != sc->sc_last_hs_size) { 1274 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1275 sbdsp_wdsp(sc, cc) < 0 || 1276 sbdsp_wdsp(sc, cc >> 8) < 0) { 1277 DPRINTF(("sbdsp_dma_output: SB2 DMA start failed\n")); 1278 goto giveup; 1279 } 1280 sc->sc_last_hs_size = cc; 1281 } 1282 if (sbdsp_wdsp(sc, 1283 sc->sc_omode == SB_ADAC_LS ? SB_DSP_WDMA_LOOP : 1284 SB_DSP_HS_OUTPUT) < 0) { 1285 DPRINTF(("sbdsp_dma_output: SB2 DMA restart failed\n")); 1286 goto giveup; 1287 } 1288 } else { 1289 if (sbdsp_wdsp(sc, SB_DSP_WDMA) < 0 || 1290 sbdsp_wdsp(sc, cc) < 0 || 1291 sbdsp_wdsp(sc, cc >> 8) < 0) { 1292 DPRINTF(("sbdsp_dma_output: SB1 DMA start failed\n")); 1293 goto giveup; 1294 } 1295 } 1296 return 0; 1297 1298 giveup: 1299 sbdsp_reset(sc); 1300 return EIO; 1301 } 1302 1303 /* 1304 * Only the DSP unit on the sound blaster generates interrupts. 1305 * There are three cases of interrupt: reception of a midi byte 1306 * (when mode is enabled), completion of dma transmission, or 1307 * completion of a dma reception. The three modes are mutually 1308 * exclusive so we know a priori which event has occurred. 1309 */ 1310 int 1311 sbdsp_intr(arg) 1312 void *arg; 1313 { 1314 register struct sbdsp_softc *sc = arg; 1315 u_char x; 1316 1317 #ifdef AUDIO_DEBUG 1318 if (sbdspdebug > 1) 1319 Dprintf("sbdsp_intr: intr=0x%x\n", sc->sc_intr); 1320 #endif 1321 if (ISSB16CLASS(sc)) { 1322 x = sbdsp_mix_read(sc, SBP_IRQ_STATUS); 1323 if ((x & 3) == 0) 1324 return 0; 1325 } else { 1326 if (!isa_dmafinished(sc->dmachan)) 1327 return 0; 1328 } 1329 sc->sc_interrupts++; 1330 delay(10); 1331 #if 0 1332 if (sc->sc_mintr != 0) { 1333 x = sbdsp_rdsp(sc); 1334 (*sc->sc_mintr)(sc->sc_arg, x); 1335 } else 1336 #endif 1337 if (sc->sc_intr != 0) { 1338 /* clear interrupt */ 1339 x = bus_space_read_1(sc->sc_iot, sc->sc_ioh, 1340 sc->sc_precision == 16 ? SBP_DSP_IRQACK16 : 1341 SBP_DSP_IRQACK8); 1342 if (!ISSB2CLASS(sc)) 1343 isa_dmadone(sc->dmaflags, sc->dmaaddr, sc->dmacnt, 1344 sc->dmachan); 1345 (*sc->sc_intr)(sc->sc_arg); 1346 } else { 1347 return 0; 1348 } 1349 return 1; 1350 } 1351 1352 #if 0 1353 /* 1354 * Enter midi uart mode and arrange for read interrupts 1355 * to vector to `intr'. This puts the card in a mode 1356 * which allows only midi I/O; the card must be reset 1357 * to leave this mode. Unfortunately, the card does not 1358 * use transmit interrupts, so bytes must be output 1359 * using polling. To keep the polling overhead to a 1360 * minimum, output should be driven off a timer. 1361 * This is a little tricky since only 320us separate 1362 * consecutive midi bytes. 1363 */ 1364 void 1365 sbdsp_set_midi_mode(sc, intr, arg) 1366 struct sbdsp_softc *sc; 1367 void (*intr)(); 1368 void *arg; 1369 { 1370 1371 sbdsp_wdsp(sc, SB_MIDI_UART_INTR); 1372 sc->sc_mintr = intr; 1373 sc->sc_intr = 0; 1374 sc->sc_arg = arg; 1375 } 1376 1377 /* 1378 * Write a byte to the midi port, when in midi uart mode. 1379 */ 1380 void 1381 sbdsp_midi_output(sc, v) 1382 struct sbdsp_softc *sc; 1383 int v; 1384 { 1385 1386 if (sbdsp_wdsp(sc, v) < 0) 1387 ++sberr.wmidi; 1388 } 1389 #endif 1390 1391 int 1392 sbdsp_setfd(addr, flag) 1393 void *addr; 1394 int flag; 1395 { 1396 /* Can't do full-duplex */ 1397 return(ENOTTY); 1398 } 1399 1400 int 1401 sbdsp_mixer_set_port(addr, cp) 1402 void *addr; 1403 mixer_ctrl_t *cp; 1404 { 1405 register struct sbdsp_softc *sc = addr; 1406 int src, gain; 1407 1408 DPRINTF(("sbdsp_mixer_set_port: port=%d num_channels=%d\n", cp->dev, 1409 cp->un.value.num_channels)); 1410 1411 if (!ISSBPROCLASS(sc)) 1412 return EINVAL; 1413 1414 /* 1415 * Everything is a value except for SBPro BASS/TREBLE and 1416 * RECORD_SOURCE 1417 */ 1418 switch (cp->dev) { 1419 case SB_SPEAKER: 1420 cp->dev = SB_MASTER_VOL; 1421 case SB_MIC_PORT: 1422 case SB_LINE_IN_PORT: 1423 case SB_DAC_PORT: 1424 case SB_FM_PORT: 1425 case SB_CD_PORT: 1426 case SB_MASTER_VOL: 1427 if (cp->type != AUDIO_MIXER_VALUE) 1428 return EINVAL; 1429 1430 /* 1431 * All the mixer ports are stereo except for the microphone. 1432 * If we get a single-channel gain value passed in, then we 1433 * duplicate it to both left and right channels. 1434 */ 1435 1436 switch (cp->dev) { 1437 case SB_MIC_PORT: 1438 if (cp->un.value.num_channels != 1) 1439 return EINVAL; 1440 1441 /* handle funny microphone gain */ 1442 gain = SBP_AGAIN_TO_MICGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1443 break; 1444 case SB_LINE_IN_PORT: 1445 case SB_DAC_PORT: 1446 case SB_FM_PORT: 1447 case SB_CD_PORT: 1448 case SB_MASTER_VOL: 1449 switch (cp->un.value.num_channels) { 1450 case 1: 1451 gain = sbdsp_mono_vol(SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_MONO])); 1452 break; 1453 case 2: 1454 gain = sbdsp_stereo_vol(SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]), 1455 SBP_AGAIN_TO_SBGAIN(cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT])); 1456 break; 1457 default: 1458 return EINVAL; 1459 } 1460 break; 1461 default: 1462 return EINVAL; 1463 } 1464 1465 switch (cp->dev) { 1466 case SB_MIC_PORT: 1467 src = SBP_MIC_VOL; 1468 break; 1469 case SB_MASTER_VOL: 1470 src = SBP_MASTER_VOL; 1471 break; 1472 case SB_LINE_IN_PORT: 1473 src = SBP_LINE_VOL; 1474 break; 1475 case SB_DAC_PORT: 1476 src = SBP_DAC_VOL; 1477 break; 1478 case SB_FM_PORT: 1479 src = SBP_FM_VOL; 1480 break; 1481 case SB_CD_PORT: 1482 src = SBP_CD_VOL; 1483 break; 1484 default: 1485 return EINVAL; 1486 } 1487 1488 sbdsp_mix_write(sc, src, gain); 1489 sc->gain[cp->dev] = gain; 1490 break; 1491 1492 case SB_TREBLE: 1493 case SB_BASS: 1494 case SB_RECORD_SOURCE: 1495 if (cp->type != AUDIO_MIXER_ENUM) 1496 return EINVAL; 1497 1498 switch (cp->dev) { 1499 case SB_TREBLE: 1500 return sbdsp_set_ifilter(addr, cp->un.ord ? SBP_TREBLE_EQ : 0); 1501 case SB_BASS: 1502 return sbdsp_set_ifilter(addr, cp->un.ord ? SBP_BASS_EQ : 0); 1503 case SB_RECORD_SOURCE: 1504 return sbdsp_set_in_port(addr, cp->un.ord); 1505 } 1506 1507 break; 1508 1509 default: 1510 return EINVAL; 1511 } 1512 1513 return (0); 1514 } 1515 1516 int 1517 sbdsp_mixer_get_port(addr, cp) 1518 void *addr; 1519 mixer_ctrl_t *cp; 1520 { 1521 register struct sbdsp_softc *sc = addr; 1522 int gain; 1523 1524 DPRINTF(("sbdsp_mixer_get_port: port=%d", cp->dev)); 1525 1526 if (!ISSBPROCLASS(sc)) 1527 return EINVAL; 1528 1529 switch (cp->dev) { 1530 case SB_SPEAKER: 1531 cp->dev = SB_MASTER_VOL; 1532 case SB_MIC_PORT: 1533 case SB_LINE_IN_PORT: 1534 case SB_DAC_PORT: 1535 case SB_FM_PORT: 1536 case SB_CD_PORT: 1537 case SB_MASTER_VOL: 1538 gain = sc->gain[cp->dev]; 1539 1540 switch (cp->dev) { 1541 case SB_MIC_PORT: 1542 if (cp->un.value.num_channels != 1) 1543 return EINVAL; 1544 1545 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = SBP_MICGAIN_TO_AGAIN(gain); 1546 break; 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 switch (cp->un.value.num_channels) { 1553 case 1: 1554 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = SBP_SBGAIN_TO_AGAIN(gain); 1555 break; 1556 case 2: 1557 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = SBP_LEFTGAIN(gain); 1558 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = SBP_RIGHTGAIN(gain); 1559 break; 1560 default: 1561 return EINVAL; 1562 } 1563 break; 1564 } 1565 1566 break; 1567 1568 case SB_TREBLE: 1569 case SB_BASS: 1570 case SB_RECORD_SOURCE: 1571 switch (cp->dev) { 1572 case SB_TREBLE: 1573 cp->un.ord = sbdsp_get_ifilter(addr) == SBP_TREBLE_EQ; 1574 return 0; 1575 case SB_BASS: 1576 cp->un.ord = sbdsp_get_ifilter(addr) == SBP_BASS_EQ; 1577 return 0; 1578 case SB_RECORD_SOURCE: 1579 cp->un.ord = sbdsp_get_in_port(addr); 1580 return 0; 1581 } 1582 1583 break; 1584 1585 default: 1586 return EINVAL; 1587 } 1588 1589 return (0); 1590 } 1591 1592 int 1593 sbdsp_mixer_query_devinfo(addr, dip) 1594 void *addr; 1595 register mixer_devinfo_t *dip; 1596 { 1597 register struct sbdsp_softc *sc = addr; 1598 1599 DPRINTF(("sbdsp_mixer_query_devinfo: index=%d\n", dip->index)); 1600 1601 switch (dip->index) { 1602 case SB_MIC_PORT: 1603 dip->type = AUDIO_MIXER_VALUE; 1604 dip->mixer_class = SB_INPUT_CLASS; 1605 dip->prev = AUDIO_MIXER_LAST; 1606 dip->next = AUDIO_MIXER_LAST; 1607 strcpy(dip->label.name, AudioNmicrophone); 1608 dip->un.v.num_channels = 1; 1609 strcpy(dip->un.v.units.name, AudioNvolume); 1610 return 0; 1611 1612 case SB_SPEAKER: 1613 dip->type = AUDIO_MIXER_VALUE; 1614 dip->mixer_class = SB_OUTPUT_CLASS; 1615 dip->prev = AUDIO_MIXER_LAST; 1616 dip->next = AUDIO_MIXER_LAST; 1617 strcpy(dip->label.name, AudioNspeaker); 1618 dip->un.v.num_channels = 1; 1619 strcpy(dip->un.v.units.name, AudioNvolume); 1620 return 0; 1621 1622 case SB_INPUT_CLASS: 1623 dip->type = AUDIO_MIXER_CLASS; 1624 dip->mixer_class = SB_INPUT_CLASS; 1625 dip->next = dip->prev = AUDIO_MIXER_LAST; 1626 strcpy(dip->label.name, AudioCInputs); 1627 return 0; 1628 1629 case SB_OUTPUT_CLASS: 1630 dip->type = AUDIO_MIXER_CLASS; 1631 dip->mixer_class = SB_OUTPUT_CLASS; 1632 dip->next = dip->prev = AUDIO_MIXER_LAST; 1633 strcpy(dip->label.name, AudioCOutputs); 1634 return 0; 1635 } 1636 1637 if (ISSBPROCLASS(sc)) { 1638 switch (dip->index) { 1639 case SB_LINE_IN_PORT: 1640 dip->type = AUDIO_MIXER_VALUE; 1641 dip->mixer_class = SB_INPUT_CLASS; 1642 dip->prev = AUDIO_MIXER_LAST; 1643 dip->next = AUDIO_MIXER_LAST; 1644 strcpy(dip->label.name, AudioNline); 1645 dip->un.v.num_channels = 2; 1646 strcpy(dip->un.v.units.name, AudioNvolume); 1647 return 0; 1648 1649 case SB_DAC_PORT: 1650 dip->type = AUDIO_MIXER_VALUE; 1651 dip->mixer_class = SB_INPUT_CLASS; 1652 dip->prev = AUDIO_MIXER_LAST; 1653 dip->next = AUDIO_MIXER_LAST; 1654 strcpy(dip->label.name, AudioNdac); 1655 dip->un.v.num_channels = 2; 1656 strcpy(dip->un.v.units.name, AudioNvolume); 1657 return 0; 1658 1659 case SB_CD_PORT: 1660 dip->type = AUDIO_MIXER_VALUE; 1661 dip->mixer_class = SB_INPUT_CLASS; 1662 dip->prev = AUDIO_MIXER_LAST; 1663 dip->next = AUDIO_MIXER_LAST; 1664 strcpy(dip->label.name, AudioNcd); 1665 dip->un.v.num_channels = 2; 1666 strcpy(dip->un.v.units.name, AudioNvolume); 1667 return 0; 1668 1669 case SB_FM_PORT: 1670 dip->type = AUDIO_MIXER_VALUE; 1671 dip->mixer_class = SB_INPUT_CLASS; 1672 dip->prev = AUDIO_MIXER_LAST; 1673 dip->next = AUDIO_MIXER_LAST; 1674 strcpy(dip->label.name, AudioNfmsynth); 1675 dip->un.v.num_channels = 2; 1676 strcpy(dip->un.v.units.name, AudioNvolume); 1677 return 0; 1678 1679 case SB_MASTER_VOL: 1680 dip->type = AUDIO_MIXER_VALUE; 1681 dip->mixer_class = SB_OUTPUT_CLASS; 1682 dip->prev = AUDIO_MIXER_LAST; 1683 dip->next = AUDIO_MIXER_LAST; 1684 strcpy(dip->label.name, AudioNvolume); 1685 dip->un.v.num_channels = 2; 1686 strcpy(dip->un.v.units.name, AudioNvolume); 1687 return 0; 1688 1689 case SB_RECORD_SOURCE: 1690 dip->mixer_class = SB_RECORD_CLASS; 1691 dip->type = AUDIO_MIXER_ENUM; 1692 dip->prev = AUDIO_MIXER_LAST; 1693 dip->next = AUDIO_MIXER_LAST; 1694 strcpy(dip->label.name, AudioNsource); 1695 dip->un.e.num_mem = 3; 1696 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone); 1697 dip->un.e.member[0].ord = SB_MIC_PORT; 1698 strcpy(dip->un.e.member[1].label.name, AudioNcd); 1699 dip->un.e.member[1].ord = SB_CD_PORT; 1700 strcpy(dip->un.e.member[2].label.name, AudioNline); 1701 dip->un.e.member[2].ord = SB_LINE_IN_PORT; 1702 return 0; 1703 1704 case SB_BASS: 1705 dip->type = AUDIO_MIXER_ENUM; 1706 dip->mixer_class = SB_INPUT_CLASS; 1707 dip->prev = AUDIO_MIXER_LAST; 1708 dip->next = AUDIO_MIXER_LAST; 1709 strcpy(dip->label.name, AudioNbass); 1710 dip->un.e.num_mem = 2; 1711 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1712 dip->un.e.member[0].ord = 0; 1713 strcpy(dip->un.e.member[1].label.name, AudioNon); 1714 dip->un.e.member[1].ord = 1; 1715 return 0; 1716 1717 case SB_TREBLE: 1718 dip->type = AUDIO_MIXER_ENUM; 1719 dip->mixer_class = SB_INPUT_CLASS; 1720 dip->prev = AUDIO_MIXER_LAST; 1721 dip->next = AUDIO_MIXER_LAST; 1722 strcpy(dip->label.name, AudioNtreble); 1723 dip->un.e.num_mem = 2; 1724 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1725 dip->un.e.member[0].ord = 0; 1726 strcpy(dip->un.e.member[1].label.name, AudioNon); 1727 dip->un.e.member[1].ord = 1; 1728 return 0; 1729 1730 case SB_RECORD_CLASS: /* record source class */ 1731 dip->type = AUDIO_MIXER_CLASS; 1732 dip->mixer_class = SB_RECORD_CLASS; 1733 dip->next = dip->prev = AUDIO_MIXER_LAST; 1734 strcpy(dip->label.name, AudioCRecord); 1735 return 0; 1736 } 1737 } 1738 1739 return ENXIO; 1740 } 1741
Indexes created Thu Sep 25 16:09:42 GMT 2025