sbdsp.c revision 1.46
1 /* $NetBSD: sbdsp.c,v 1.46 1997/05/13 19:02:17 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 #include <dev/mulaw.h> 61 62 #include <dev/isa/isavar.h> 63 #include <dev/isa/isadmavar.h> 64 #include <i386/isa/icu.h> /* XXX BROKEN; WHY? */ 65 66 #include <dev/isa/sbreg.h> 67 #include <dev/isa/sbdspvar.h> 68 69 #ifdef AUDIO_DEBUG 70 extern void Dprintf __P((const char *, ...)); 71 #define DPRINTF(x) if (sbdspdebug) Dprintf x 72 int sbdspdebug = 0; 73 #else 74 #define DPRINTF(x) 75 #endif 76 77 #ifndef SBDSP_NPOLL 78 #define SBDSP_NPOLL 3000 79 #endif 80 81 struct { 82 int wdsp; 83 int rdsp; 84 int wmidi; 85 } sberr; 86 87 void sbdsp_srtotc __P((struct sbdsp_softc *sc, int sr, int isdac, 88 int *tcp, int *modep)); 89 u_int sbdsp_jazz16_probe __P((struct sbdsp_softc *)); 90 91 /* 92 * Time constant routines follow. See SBK, section 12. 93 * Although they don't come out and say it (in the docs), 94 * the card clearly uses a 1MHz countdown timer, as the 95 * low-speed formula (p. 12-4) is: 96 * tc = 256 - 10^6 / sr 97 * In high-speed mode, the constant is the upper byte of a 16-bit counter, 98 * and a 256MHz clock is used: 99 * tc = 65536 - 256 * 10^ 6 / sr 100 * Since we can only use the upper byte of the HS TC, the two formulae 101 * are equivalent. (Why didn't they say so?) E.g., 102 * (65536 - 256 * 10 ^ 6 / x) >> 8 = 256 - 10^6 / x 103 * 104 * The crossover point (from low- to high-speed modes) is different 105 * for the SBPRO and SB20. The table on p. 12-5 gives the following data: 106 * 107 * SBPRO SB20 108 * ----- -------- 109 * input ls min 4 KHz 4 KHz 110 * input ls max 23 KHz 13 KHz 111 * input hs max 44.1 KHz 15 KHz 112 * output ls min 4 KHz 4 KHz 113 * output ls max 23 KHz 23 KHz 114 * output hs max 44.1 KHz 44.1 KHz 115 */ 116 #define SB_LS_MIN 0x06 /* 4000 Hz */ 117 #define SB_8K 0x83 /* 8000 Hz */ 118 #define SBPRO_ADC_LS_MAX 0xd4 /* 22727 Hz */ 119 #define SBPRO_ADC_HS_MAX 0xea /* 45454 Hz */ 120 #define SBCLA_ADC_LS_MAX 0xb3 /* 12987 Hz */ 121 #define SBCLA_ADC_HS_MAX 0xbd /* 14925 Hz */ 122 #define SB_DAC_LS_MAX 0xd4 /* 22727 Hz */ 123 #define SB_DAC_HS_MAX 0xea /* 45454 Hz */ 124 125 int sbdsp16_wait __P((struct sbdsp_softc *)); 126 void sbdsp_to __P((void *)); 127 void sbdsp_pause __P((struct sbdsp_softc *)); 128 int sbdsp16_setrate __P((struct sbdsp_softc *, int, int, int *)); 129 int sbdsp_tctosr __P((struct sbdsp_softc *, int)); 130 int sbdsp_set_timeconst __P((struct sbdsp_softc *, int)); 131 int sbdsp_set_io_params __P((struct sbdsp_softc *, struct audio_params *)); 132 133 #ifdef AUDIO_DEBUG 134 void sb_printsc __P((struct sbdsp_softc *)); 135 136 void 137 sb_printsc(sc) 138 struct sbdsp_softc *sc; 139 { 140 int i; 141 142 printf("open %d dmachan %d/%d/%d iobase 0x%x irq %d\n", 143 (int)sc->sc_open, sc->dmachan, sc->sc_drq8, sc->sc_drq16, 144 sc->sc_iobase, sc->sc_irq); 145 printf("irate %d itc %d imode %d orate %d otc %d omode %d\n", 146 sc->sc_irate, sc->sc_itc, sc->sc_imode, 147 sc->sc_orate, sc->sc_otc, sc->sc_omode); 148 printf("outport %u inport %u spkron %u nintr %lu\n", 149 sc->out_port, sc->in_port, sc->spkr_state, sc->sc_interrupts); 150 printf("precision %u 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(" %u", sc->gain[i]); 155 printf("\n"); 156 } 157 #endif /* AUDIO_DEBUG */ 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 #if 0 183 sc->sc_model = 0x100; /* XXX pretend to be just a tired old SB XXX */ 184 #endif 185 186 return 1; 187 } 188 189 /* 190 * Try add-on stuff for Jazz16. 191 */ 192 u_int 193 sbdsp_jazz16_probe(sc) 194 struct sbdsp_softc *sc; 195 { 196 static u_char jazz16_irq_conf[16] = { 197 -1, -1, 0x02, 0x03, 198 -1, 0x01, -1, 0x04, 199 -1, 0x02, 0x05, -1, 200 -1, -1, -1, 0x06}; 201 static u_char jazz16_drq_conf[8] = { 202 -1, 0x01, -1, 0x02, 203 -1, 0x03, -1, 0x04}; 204 205 u_int rval = sbversion(sc); 206 bus_space_tag_t iot = sc->sc_iot; 207 bus_space_handle_t ioh; 208 209 DPRINTF(("jazz16 probe\n")); 210 211 if (bus_space_map(iot, JAZZ16_CONFIG_PORT, 1, 0, &ioh)) { 212 DPRINTF(("bus map failed\n")); 213 return rval; 214 } 215 216 if (jazz16_drq_conf[sc->sc_drq8] == (u_char)-1 || 217 jazz16_irq_conf[sc->sc_irq] == (u_char)-1) { 218 DPRINTF(("drq/irq check failed\n")); 219 goto done; /* give up, we can't do it. */ 220 } 221 222 bus_space_write_1(iot, ioh, 0, JAZZ16_WAKEUP); 223 delay(10000); /* delay 10 ms */ 224 bus_space_write_1(iot, ioh, 0, JAZZ16_SETBASE); 225 bus_space_write_1(iot, ioh, 0, sc->sc_iobase & 0x70); 226 227 if (sbdsp_reset(sc) < 0) { 228 DPRINTF(("sbdsp_reset check failed\n")); 229 goto done; /* XXX? what else could we do? */ 230 } 231 232 if (sbdsp_wdsp(sc, JAZZ16_READ_VER)) { 233 DPRINTF(("read16 setup failed\n")); 234 goto done; 235 } 236 237 if (sbdsp_rdsp(sc) != JAZZ16_VER_JAZZ) { 238 DPRINTF(("read16 failed\n")); 239 goto done; 240 } 241 242 /* XXX set both 8 & 16-bit drq to same channel, it works fine. */ 243 sc->sc_drq16 = sc->sc_drq8; 244 if (sbdsp_wdsp(sc, JAZZ16_SET_DMAINTR) || 245 sbdsp_wdsp(sc, (jazz16_drq_conf[sc->sc_drq16] << 4) | 246 jazz16_drq_conf[sc->sc_drq8]) || 247 sbdsp_wdsp(sc, jazz16_irq_conf[sc->sc_irq])) { 248 DPRINTF(("sbdsp: can't write jazz16 probe stuff\n")); 249 } else { 250 DPRINTF(("jazz16 detected!\n")); 251 rval |= MODEL_JAZZ16; 252 } 253 254 done: 255 bus_space_unmap(iot, ioh, 1); 256 return rval; 257 } 258 259 /* 260 * Attach hardware to driver, attach hardware driver to audio 261 * pseudo-device driver . 262 */ 263 void 264 sbdsp_attach(sc) 265 struct sbdsp_softc *sc; 266 { 267 268 /* Set defaults */ 269 if (ISSB16CLASS(sc)) 270 sc->sc_irate = sc->sc_orate = 8000; 271 else if (ISSBPROCLASS(sc)) 272 sc->sc_itc = sc->sc_otc = SB_8K; 273 else 274 sc->sc_itc = sc->sc_otc = SB_8K; 275 sc->sc_precision = 8; 276 sc->sc_channels = 1; 277 278 (void) sbdsp_set_in_port(sc, SB_MIC_PORT); 279 (void) sbdsp_set_out_port(sc, SB_SPEAKER); 280 281 if (ISSBPROCLASS(sc)) { 282 int i; 283 284 /* set mixer to default levels, by sending a mixer 285 reset command. */ 286 sbdsp_mix_write(sc, SBP_MIX_RESET, SBP_MIX_RESET); 287 /* then some adjustments :) */ 288 sbdsp_mix_write(sc, SBP_CD_VOL, 289 sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL)); 290 sbdsp_mix_write(sc, SBP_DAC_VOL, 291 sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL)); 292 sbdsp_mix_write(sc, SBP_MASTER_VOL, 293 sbdsp_stereo_vol(SBP_MAXVOL/2, SBP_MAXVOL/2)); 294 sbdsp_mix_write(sc, SBP_LINE_VOL, 295 sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL)); 296 for (i = 0; i < SB_NDEVS; i++) 297 sc->gain[i] = sbdsp_stereo_vol(SBP_MAXVOL, SBP_MAXVOL); 298 sc->in_filter = 0; /* no filters turned on, please */ 299 } 300 301 printf(": dsp v%d.%02d%s\n", 302 SBVER_MAJOR(sc->sc_model), SBVER_MINOR(sc->sc_model), 303 ISJAZZ16(sc) ? ": <Jazz16>" : ""); 304 } 305 306 /* 307 * Various routines to interface to higher level audio driver 308 */ 309 310 void 311 sbdsp_mix_write(sc, mixerport, val) 312 struct sbdsp_softc *sc; 313 int mixerport; 314 int val; 315 { 316 bus_space_tag_t iot = sc->sc_iot; 317 bus_space_handle_t ioh = sc->sc_ioh; 318 319 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 320 delay(10); 321 bus_space_write_1(iot, ioh, SBP_MIXER_DATA, val); 322 delay(30); 323 } 324 325 int 326 sbdsp_mix_read(sc, mixerport) 327 struct sbdsp_softc *sc; 328 int mixerport; 329 { 330 bus_space_tag_t iot = sc->sc_iot; 331 bus_space_handle_t ioh = sc->sc_ioh; 332 333 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 334 delay(10); 335 return bus_space_read_1(iot, ioh, SBP_MIXER_DATA); 336 } 337 338 int 339 sbdsp_query_encoding(addr, fp) 340 void *addr; 341 struct audio_encoding *fp; 342 { 343 struct sbdsp_softc *sc = addr; 344 345 switch (fp->index) { 346 case 0: 347 strcpy(fp->name, AudioEulinear); 348 fp->encoding = AUDIO_ENCODING_ULINEAR; 349 fp->precision = 8; 350 fp->flags = 0; 351 break; 352 case 1: 353 strcpy(fp->name, AudioEmulaw); 354 fp->encoding = AUDIO_ENCODING_ULAW; 355 fp->precision = 8; 356 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 357 break; 358 case 2: 359 strcpy(fp->name, AudioElinear); 360 fp->encoding = AUDIO_ENCODING_LINEAR; 361 fp->precision = 8; 362 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 363 break; 364 default: 365 if (!(ISSB16CLASS(sc) || ISJAZZ16(sc))) 366 return (EINVAL); 367 switch(fp->index) { 368 case 3: 369 strcpy(fp->name, AudioElinear_le); 370 fp->encoding = AUDIO_ENCODING_LINEAR_LE; 371 fp->precision = 16; 372 fp->flags = 0; 373 break; 374 case 4: 375 strcpy(fp->name, AudioEulinear_le); 376 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 377 fp->precision = 16; 378 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 379 break; 380 case 5: 381 strcpy(fp->name, AudioElinear_be); 382 fp->encoding = AUDIO_ENCODING_LINEAR_BE; 383 fp->precision = 16; 384 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 385 break; 386 case 6: 387 strcpy(fp->name, AudioEulinear_be); 388 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 389 fp->precision = 16; 390 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 391 break; 392 default: 393 return (EINVAL); 394 } 395 } 396 return (0); 397 } 398 399 int 400 sbdsp_set_params(addr, mode, p, q) 401 void *addr; 402 int mode; 403 struct audio_params *p, *q; 404 { 405 struct sbdsp_softc *sc = addr; 406 int maxspeed; 407 void (*swcode) __P((void *, u_char *buf, int cnt)); 408 int can16 = ISSB16CLASS(sc) || ISJAZZ16(sc); 409 410 switch (p->encoding) { 411 case AUDIO_ENCODING_LINEAR_LE: 412 if (p->precision == 8) 413 swcode = change_sign8; 414 else if (can16) 415 swcode = 0; 416 else 417 return EINVAL; 418 break; 419 case AUDIO_ENCODING_ULINEAR_LE: 420 if (p->precision == 8) 421 swcode = 0; 422 else if (can16) 423 swcode = change_sign16; 424 else 425 return EINVAL; 426 break; 427 case AUDIO_ENCODING_LINEAR_BE: 428 if (p->precision == 8) 429 swcode = change_sign8; 430 else if (can16) 431 swcode = swap_bytes; 432 else 433 return EINVAL; 434 break; 435 case AUDIO_ENCODING_ULINEAR_BE: 436 if (p->precision == 8) 437 swcode = 0; 438 else if (can16) 439 swcode = swap_bytes_change_sign16; 440 else 441 return EINVAL; 442 break; 443 case AUDIO_ENCODING_ULAW: 444 swcode = mode == AUMODE_PLAY ? 445 mulaw_to_ulinear8 : ulinear8_to_mulaw; 446 break; 447 default: 448 return EINVAL; 449 } 450 451 452 if (!ISSBPROCLASS(sc)) { 453 /* v 1.x or v 2.x */ 454 if (mode == AUMODE_PLAY) { 455 if (ISSB2CLASS(sc) && SBVER_MINOR(sc->sc_model) > 0) 456 maxspeed = 44100; 457 else 458 maxspeed = 23000; 459 } else 460 maxspeed = 13000; 461 if (p->sample_rate < 4000 || p->sample_rate > maxspeed) 462 return EINVAL; 463 if (p->channels != 1) 464 return EINVAL; 465 } else if (!can16) { 466 /* v 3.x */ 467 if (p->channels == 1) 468 maxspeed = 44100; 469 else 470 maxspeed = 23000; 471 if (p->sample_rate < 4000 || p->sample_rate > maxspeed) 472 return EINVAL; 473 } else { 474 /* >= v 4.x */ 475 if (p->sample_rate < 4000 || p->sample_rate > 44100) 476 return EINVAL; 477 } 478 479 if (ISSB16CLASS(sc)) { 480 if (mode == AUMODE_RECORD) 481 sc->sc_irate = p->sample_rate; 482 else 483 sc->sc_orate = p->sample_rate; 484 } else { 485 sbdsp_srtotc(sc, p->sample_rate, SB_OUTPUT_RATE, 486 &sc->sc_otc, &sc->sc_omode); 487 p->sample_rate = sbdsp_tctosr(sc, sc->sc_otc); 488 } 489 490 sc->sc_precision = p->precision; 491 sc->sc_channels = p->channels; 492 493 p->sw_code = swcode; 494 495 /* Update setting for the other mode. */ 496 q->encoding = p->encoding; 497 q->channels = p->channels; 498 q->precision = p->precision; 499 return 0; 500 } 501 502 int 503 sbdsp_set_ifilter(addr, which) 504 void *addr; 505 int which; 506 { 507 register struct sbdsp_softc *sc = addr; 508 int mixval; 509 510 /* XXXX SB16 */ 511 if (ISSBPROCLASS(sc)) { 512 mixval = sbdsp_mix_read(sc, SBP_INFILTER) & ~SBP_IFILTER_MASK; 513 switch (which) { 514 case 0: 515 mixval |= SBP_FILTER_OFF; 516 break; 517 case SBP_TREBLE_EQ: 518 mixval |= SBP_FILTER_ON | SBP_IFILTER_HIGH; 519 break; 520 case SBP_BASS_EQ: 521 mixval |= SBP_FILTER_ON | SBP_IFILTER_LOW; 522 break; 523 default: 524 return (EINVAL); 525 } 526 sc->in_filter = mixval & SBP_IFILTER_MASK; 527 sbdsp_mix_write(sc, SBP_INFILTER, mixval); 528 return (0); 529 } else 530 return (EINVAL); 531 } 532 533 int 534 sbdsp_get_ifilter(addr) 535 void *addr; 536 { 537 register struct sbdsp_softc *sc = addr; 538 539 /* XXXX SB16 */ 540 if (ISSBPROCLASS(sc)) { 541 sc->in_filter = 542 sbdsp_mix_read(sc, SBP_INFILTER) & SBP_IFILTER_MASK; 543 switch (sc->in_filter) { 544 case SBP_FILTER_ON|SBP_IFILTER_HIGH: 545 return (SBP_TREBLE_EQ); 546 case SBP_FILTER_ON|SBP_IFILTER_LOW: 547 return (SBP_BASS_EQ); 548 case SBP_FILTER_OFF: 549 default: 550 return (0); 551 } 552 } else 553 return (0); 554 } 555 556 int 557 sbdsp_set_out_port(addr, port) 558 void *addr; 559 int port; 560 { 561 register struct sbdsp_softc *sc = addr; 562 563 sc->out_port = port; /* Just record it */ 564 565 return (0); 566 } 567 568 int 569 sbdsp_get_out_port(addr) 570 void *addr; 571 { 572 register struct sbdsp_softc *sc = addr; 573 574 return (sc->out_port); 575 } 576 577 578 int 579 sbdsp_set_in_port(addr, port) 580 void *addr; 581 int port; 582 { 583 register struct sbdsp_softc *sc = addr; 584 int mixport, sbport; 585 586 if (ISSBPROCLASS(sc)) { 587 switch (port) { 588 case SB_MIC_PORT: 589 sbport = SBP_FROM_MIC; 590 mixport = SBP_MIC_VOL; 591 break; 592 case SB_LINE_IN_PORT: 593 sbport = SBP_FROM_LINE; 594 mixport = SBP_LINE_VOL; 595 break; 596 case SB_CD_PORT: 597 sbport = SBP_FROM_CD; 598 mixport = SBP_CD_VOL; 599 break; 600 case SB_DAC_PORT: 601 case SB_FM_PORT: 602 default: 603 return (EINVAL); 604 } 605 } else { 606 switch (port) { 607 case SB_MIC_PORT: 608 sbport = SBP_FROM_MIC; 609 mixport = SBP_MIC_VOL; 610 break; 611 default: 612 return (EINVAL); 613 } 614 } 615 616 sc->in_port = port; /* Just record it */ 617 618 /* XXXX SB16 */ 619 if (ISSBPROCLASS(sc)) { 620 /* record from that port */ 621 sbdsp_mix_write(sc, SBP_RECORD_SOURCE, 622 SBP_RECORD_FROM(sbport, SBP_FILTER_OFF, SBP_IFILTER_HIGH)); 623 /* fetch gain from that port */ 624 sc->gain[port] = sbdsp_mix_read(sc, mixport); 625 } 626 627 return (0); 628 } 629 630 int 631 sbdsp_get_in_port(addr) 632 void *addr; 633 { 634 register struct sbdsp_softc *sc = addr; 635 636 return (sc->in_port); 637 } 638 639 640 int 641 sbdsp_speaker_ctl(addr, newstate) 642 void *addr; 643 int newstate; 644 { 645 register struct sbdsp_softc *sc = addr; 646 647 if ((newstate == SPKR_ON) && 648 (sc->spkr_state == SPKR_OFF)) { 649 sbdsp_spkron(sc); 650 sc->spkr_state = SPKR_ON; 651 } 652 if ((newstate == SPKR_OFF) && 653 (sc->spkr_state == SPKR_ON)) { 654 sbdsp_spkroff(sc); 655 sc->spkr_state = SPKR_OFF; 656 } 657 return(0); 658 } 659 660 int 661 sbdsp_round_blocksize(addr, blk) 662 void *addr; 663 int blk; 664 { 665 register struct sbdsp_softc *sc = addr; 666 667 sc->sc_last_hs_size = 0; 668 669 /* Don't try to DMA too much at once. */ 670 if (blk > NBPG) 671 blk = NBPG; 672 673 /* Round to a multiple of the sample size. */ 674 blk &= -(sc->sc_channels * sc->sc_precision / 8); 675 676 return (blk); 677 } 678 679 int 680 sbdsp_commit_settings(addr) 681 void *addr; 682 { 683 register struct sbdsp_softc *sc = addr; 684 685 /* 686 * XXX 687 * Should wait for chip to be idle. 688 */ 689 sc->sc_dmadir = SB_DMA_NONE; 690 691 return 0; 692 } 693 694 695 int 696 sbdsp_open(sc, dev, flags) 697 register struct sbdsp_softc *sc; 698 dev_t dev; 699 int flags; 700 { 701 DPRINTF(("sbdsp_open: sc=0x%x\n", sc)); 702 703 if (sc->sc_open != 0 || sbdsp_reset(sc) != 0) 704 return ENXIO; 705 706 sc->sc_open = 1; 707 sc->sc_mintr = 0; 708 if (ISSBPROCLASS(sc) && 709 sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) { 710 DPRINTF(("sbdsp_open: can't set mono mode\n")); 711 /* we'll readjust when it's time for DMA. */ 712 } 713 714 /* 715 * Leave most things as they were; users must change things if 716 * the previous process didn't leave it they way they wanted. 717 * Looked at another way, it's easy to set up a configuration 718 * in one program and leave it for another to inherit. 719 */ 720 DPRINTF(("sbdsp_open: opened\n")); 721 722 return 0; 723 } 724 725 void 726 sbdsp_close(addr) 727 void *addr; 728 { 729 struct sbdsp_softc *sc = addr; 730 731 DPRINTF(("sbdsp_close: sc=0x%x\n", sc)); 732 733 sc->sc_open = 0; 734 sbdsp_spkroff(sc); 735 sc->spkr_state = SPKR_OFF; 736 sc->sc_mintr = 0; 737 sbdsp_haltdma(sc); 738 739 DPRINTF(("sbdsp_close: closed\n")); 740 } 741 742 /* 743 * Lower-level routines 744 */ 745 746 /* 747 * Reset the card. 748 * Return non-zero if the card isn't detected. 749 */ 750 int 751 sbdsp_reset(sc) 752 register struct sbdsp_softc *sc; 753 { 754 bus_space_tag_t iot = sc->sc_iot; 755 bus_space_handle_t ioh = sc->sc_ioh; 756 757 sc->sc_intr = 0; 758 if (sc->sc_dmadir != SB_DMA_NONE) { 759 isa_dmaabort(sc->dmachan); 760 sc->sc_dmadir = SB_DMA_NONE; 761 } 762 sc->sc_last_hs_size = 0; 763 764 /* 765 * See SBK, section 11.3. 766 * We pulse a reset signal into the card. 767 * Gee, what a brilliant hardware design. 768 */ 769 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 1); 770 delay(10); 771 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 0); 772 delay(30); 773 if (sbdsp_rdsp(sc) != SB_MAGIC) 774 return -1; 775 776 return 0; 777 } 778 779 int 780 sbdsp16_wait(sc) 781 struct sbdsp_softc *sc; 782 { 783 bus_space_tag_t iot = sc->sc_iot; 784 bus_space_handle_t ioh = sc->sc_ioh; 785 register int i; 786 787 for (i = SBDSP_NPOLL; --i >= 0; ) { 788 register u_char x; 789 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 790 delay(10); 791 if ((x & SB_DSP_BUSY) == 0) 792 continue; 793 return 0; 794 } 795 ++sberr.wdsp; 796 return -1; 797 } 798 799 /* 800 * Write a byte to the dsp. 801 * XXX We are at the mercy of the card as we use a 802 * polling loop and wait until it can take the byte. 803 */ 804 int 805 sbdsp_wdsp(sc, v) 806 struct sbdsp_softc *sc; 807 int v; 808 { 809 bus_space_tag_t iot = sc->sc_iot; 810 bus_space_handle_t ioh = sc->sc_ioh; 811 register int i; 812 813 for (i = SBDSP_NPOLL; --i >= 0; ) { 814 register u_char x; 815 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 816 delay(10); 817 if ((x & SB_DSP_BUSY) != 0) 818 continue; 819 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, v); 820 delay(10); 821 return 0; 822 } 823 ++sberr.wdsp; 824 return -1; 825 } 826 827 /* 828 * Read a byte from the DSP, using polling. 829 */ 830 int 831 sbdsp_rdsp(sc) 832 struct sbdsp_softc *sc; 833 { 834 bus_space_tag_t iot = sc->sc_iot; 835 bus_space_handle_t ioh = sc->sc_ioh; 836 register int i; 837 838 for (i = SBDSP_NPOLL; --i >= 0; ) { 839 register u_char x; 840 x = bus_space_read_1(iot, ioh, SBP_DSP_RSTAT); 841 delay(10); 842 if ((x & SB_DSP_READY) == 0) 843 continue; 844 x = bus_space_read_1(iot, ioh, SBP_DSP_READ); 845 delay(10); 846 return x; 847 } 848 ++sberr.rdsp; 849 return -1; 850 } 851 852 /* 853 * Doing certain things (like toggling the speaker) make 854 * the SB hardware go away for a while, so pause a little. 855 */ 856 void 857 sbdsp_to(arg) 858 void *arg; 859 { 860 wakeup(arg); 861 } 862 863 void 864 sbdsp_pause(sc) 865 struct sbdsp_softc *sc; 866 { 867 extern int hz; 868 869 timeout(sbdsp_to, sbdsp_to, hz/8); 870 (void)tsleep(sbdsp_to, PWAIT, "sbpause", 0); 871 } 872 873 /* 874 * Turn on the speaker. The SBK documention says this operation 875 * can take up to 1/10 of a second. Higher level layers should 876 * probably let the task sleep for this amount of time after 877 * calling here. Otherwise, things might not work (because 878 * sbdsp_wdsp() and sbdsp_rdsp() will probably timeout.) 879 * 880 * These engineers had their heads up their ass when 881 * they designed this card. 882 */ 883 void 884 sbdsp_spkron(sc) 885 struct sbdsp_softc *sc; 886 { 887 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_ON); 888 sbdsp_pause(sc); 889 } 890 891 /* 892 * Turn off the speaker; see comment above. 893 */ 894 void 895 sbdsp_spkroff(sc) 896 struct sbdsp_softc *sc; 897 { 898 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_OFF); 899 sbdsp_pause(sc); 900 } 901 902 /* 903 * Read the version number out of the card. Return major code 904 * in high byte, and minor code in low byte. 905 */ 906 short 907 sbversion(sc) 908 struct sbdsp_softc *sc; 909 { 910 short v; 911 912 if (sbdsp_wdsp(sc, SB_DSP_VERSION) < 0) 913 return 0; 914 v = sbdsp_rdsp(sc) << 8; 915 v |= sbdsp_rdsp(sc); 916 return ((v >= 0) ? v : 0); 917 } 918 919 /* 920 * Halt a DMA in progress. A low-speed transfer can be 921 * resumed with sbdsp_contdma(). 922 */ 923 int 924 sbdsp_haltdma(addr) 925 void *addr; 926 { 927 register struct sbdsp_softc *sc = addr; 928 929 DPRINTF(("sbdsp_haltdma: sc=0x%x\n", sc)); 930 931 sbdsp_reset(sc); 932 return 0; 933 } 934 935 int 936 sbdsp_contdma(addr) 937 void *addr; 938 { 939 register struct sbdsp_softc *sc = addr; 940 941 DPRINTF(("sbdsp_contdma: sc=0x%x\n", sc)); 942 943 /* XXX how do we reinitialize the DMA controller state? do we care? */ 944 (void)sbdsp_wdsp(sc, SB_DSP_CONT); 945 return(0); 946 } 947 948 /* 949 * Convert a linear sampling rate into the DAC time constant. 950 * Set *mode to indicate the high/low-speed DMA operation. 951 * Because of limitations of the card, not all rates are possible. 952 * We return the time constant of the closest possible rate. 953 * The sampling rate limits are different for the DAC and ADC, 954 * so isdac indicates output, and !isdac indicates input. 955 */ 956 void 957 sbdsp_srtotc(sc, sr, isdac, tcp, modep) 958 register struct sbdsp_softc *sc; 959 int sr; 960 int isdac; 961 int *tcp, *modep; 962 { 963 int tc, realtc, mode; 964 965 /* 966 * Don't forget to compute which mode we'll be in based on whether 967 * we need to double the rate for stereo on SBPRO. 968 */ 969 970 if (sr == 0) { 971 tc = SB_LS_MIN; 972 mode = SB_ADAC_LS; 973 goto out; 974 } 975 976 tc = 256 - (1000000 / sr); 977 978 if (sc->sc_channels == 2 && ISSBPRO(sc)) 979 /* compute based on 2x sample rate when needed */ 980 realtc = 256 - ( 500000 / sr); 981 else 982 realtc = tc; 983 984 if (tc < SB_LS_MIN) { 985 tc = SB_LS_MIN; 986 mode = SB_ADAC_LS; /* NB: 2x minimum speed is still low 987 * speed mode. */ 988 goto out; 989 } else if (isdac) { 990 if (realtc <= SB_DAC_LS_MAX) 991 mode = SB_ADAC_LS; 992 else { 993 mode = SB_ADAC_HS; 994 if (tc > SB_DAC_HS_MAX) 995 tc = SB_DAC_HS_MAX; 996 } 997 } else { 998 int adc_ls_max, adc_hs_max; 999 1000 /* XXX use better rounding--compare distance to nearest tc on both 1001 sides of requested speed */ 1002 if (ISSBPROCLASS(sc)) { 1003 adc_ls_max = SBPRO_ADC_LS_MAX; 1004 adc_hs_max = SBPRO_ADC_HS_MAX; 1005 } else { 1006 adc_ls_max = SBCLA_ADC_LS_MAX; 1007 adc_hs_max = SBCLA_ADC_HS_MAX; 1008 } 1009 1010 if (realtc <= adc_ls_max) 1011 mode = SB_ADAC_LS; 1012 else { 1013 mode = SB_ADAC_HS; 1014 if (tc > adc_hs_max) 1015 tc = adc_hs_max; 1016 } 1017 } 1018 1019 out: 1020 *tcp = tc; 1021 *modep = mode; 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 Fri Sep 26 20:09:58 GMT 2025