sbdsp.c revision 1.52
1 /* $NetBSD: sbdsp.c,v 1.52 1997/05/23 21:20:11 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 * Lots of rewrites by Lennart Augustsson <augustss (at) cs.chalmers.se> 43 * with information from SB "Hardware Programming Guide" and the 44 * Linux drivers. 45 */ 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/errno.h> 50 #include <sys/ioctl.h> 51 #include <sys/syslog.h> 52 #include <sys/device.h> 53 #include <sys/proc.h> 54 #include <sys/buf.h> 55 #include <vm/vm.h> 56 57 #include <machine/cpu.h> 58 #include <machine/intr.h> 59 #include <machine/pio.h> 60 61 #include <sys/audioio.h> 62 #include <dev/audio_if.h> 63 #include <dev/mulaw.h> 64 65 #include <dev/isa/isavar.h> 66 #include <dev/isa/isadmavar.h> 67 68 #include <dev/isa/sbreg.h> 69 #include <dev/isa/sbdspvar.h> 70 71 #ifdef AUDIO_DEBUG 72 extern void Dprintf __P((const char *, ...)); 73 #define DPRINTF(x) if (sbdspdebug) Dprintf x 74 int sbdspdebug = 0; 75 #else 76 #define DPRINTF(x) 77 #endif 78 79 #ifndef SBDSP_NPOLL 80 #define SBDSP_NPOLL 3000 81 #endif 82 83 struct { 84 int wdsp; 85 int rdsp; 86 int wmidi; 87 } sberr; 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 /* XXX Should we round the tc? 115 #define SB_RATE_TO_TC(x) (((65536 - 256 * 1000000 / (x)) + 128) >> 8) 116 */ 117 #define SB_RATE_TO_TC(x) (256 - 1000000 / (x)) 118 #define SB_TC_TO_RATE(tc) (1000000 / (256 - (tc))) 119 120 struct sbmode { 121 short version; 122 u_char channels; 123 u_char precision; 124 u_short lowrate, highrate; 125 u_char cmd; 126 short cmdchan; 127 }; 128 static struct sbmode sbpmodes[] = { 129 { SB_1, 1, 8, 4000, 22727, SB_DSP_WDMA }, 130 { SB_20, 1, 8, 4000, 22727, SB_DSP_WDMA_LOOP }, 131 { SB_2x, 1, 8, 4000, 22727, SB_DSP_WDMA_LOOP }, 132 { SB_2x, 1, 8, 22727, 45454, SB_DSP_HS_OUTPUT }, 133 { SB_PRO, 1, 8, 4000, 22727, SB_DSP_WDMA_LOOP }, 134 { SB_PRO, 1, 8, 22727, 45454, SB_DSP_HS_OUTPUT }, 135 { SB_PRO, 2, 8, 11025, 22727, SB_DSP_HS_OUTPUT }, 136 { SB_JAZZ, 1, 8, 4000, 22727, SB_DSP_WDMA_LOOP, SB_DSP_RECORD_MONO }, 137 { SB_JAZZ, 1, 8, 22727, 45454, SB_DSP_HS_OUTPUT, SB_DSP_RECORD_MONO }, 138 { SB_JAZZ, 2, 8, 11025, 22727, SB_DSP_HS_OUTPUT, SB_DSP_RECORD_STEREO }, 139 { SB_JAZZ, 1, 16, 4000, 22727, SB_DSP_WDMA_LOOP, JAZZ16_RECORD_MONO }, 140 { SB_JAZZ, 1, 16, 22727, 45454, SB_DSP_HS_OUTPUT, JAZZ16_RECORD_MONO }, 141 { SB_JAZZ, 2, 16, 11025, 22727, SB_DSP_HS_OUTPUT, JAZZ16_RECORD_STEREO }, 142 { SB_16, 1, 8, 5000, 45000, SB_DSP16_WDMA_8 }, 143 { SB_16, 2, 8, 5000, 45000, SB_DSP16_WDMA_8 }, 144 { SB_16, 1, 16, 5000, 45000, SB_DSP16_WDMA_16 }, 145 { SB_16, 2, 16, 5000, 45000, SB_DSP16_WDMA_16 }, 146 { -1 } 147 }; 148 static struct sbmode sbrmodes[] = { 149 { SB_1, 1, 8, 4000, 12987, SB_DSP_RDMA }, 150 { SB_20, 1, 8, 4000, 12987, SB_DSP_RDMA_LOOP }, 151 { SB_2x, 1, 8, 4000, 12987, SB_DSP_RDMA_LOOP }, 152 { SB_2x, 1, 8, 12987, 14925, SB_DSP_HS_INPUT }, 153 { SB_PRO, 1, 8, 4000, 22727, SB_DSP_RDMA_LOOP, SB_DSP_RECORD_MONO }, 154 { SB_PRO, 1, 8, 22727, 45454, SB_DSP_HS_INPUT, SB_DSP_RECORD_MONO }, 155 { SB_PRO, 2, 8, 11025, 22727, SB_DSP_HS_INPUT, SB_DSP_RECORD_STEREO }, 156 { SB_JAZZ, 1, 8, 4000, 22727, SB_DSP_RDMA_LOOP, SB_DSP_RECORD_MONO }, 157 { SB_JAZZ, 1, 8, 22727, 45454, SB_DSP_HS_INPUT, SB_DSP_RECORD_MONO }, 158 { SB_JAZZ, 2, 8, 11025, 22727, SB_DSP_HS_INPUT, SB_DSP_RECORD_STEREO }, 159 { SB_JAZZ, 1, 16, 4000, 22727, SB_DSP_RDMA_LOOP, JAZZ16_RECORD_MONO }, 160 { SB_JAZZ, 1, 16, 22727, 45454, SB_DSP_HS_INPUT, JAZZ16_RECORD_MONO }, 161 { SB_JAZZ, 2, 16, 11025, 22727, SB_DSP_HS_INPUT, JAZZ16_RECORD_STEREO }, 162 { SB_16, 1, 8, 5000, 45000, SB_DSP16_RDMA_8 }, 163 { SB_16, 2, 8, 5000, 45000, SB_DSP16_RDMA_8 }, 164 { SB_16, 1, 16, 5000, 45000, SB_DSP16_RDMA_16 }, 165 { SB_16, 2, 16, 5000, 45000, SB_DSP16_RDMA_16 }, 166 { -1 } 167 }; 168 169 void sbversion __P((struct sbdsp_softc *)); 170 void sbdsp_jazz16_probe __P((struct sbdsp_softc *)); 171 void sbdsp_set_mixer_gain __P((struct sbdsp_softc *sc, int port)); 172 int sbdsp16_wait __P((struct sbdsp_softc *)); 173 void sbdsp_to __P((void *)); 174 void sbdsp_pause __P((struct sbdsp_softc *)); 175 int sbdsp_set_timeconst __P((struct sbdsp_softc *, int)); 176 int sbdsp16_set_rate __P((struct sbdsp_softc *, int, int)); 177 int sbdsp_set_in_ports __P((struct sbdsp_softc *, int)); 178 void sbdsp_set_ifilter __P((void *, int)); 179 int sbdsp_get_ifilter __P((void *)); 180 181 #ifdef AUDIO_DEBUG 182 void sb_printsc __P((struct sbdsp_softc *)); 183 184 void 185 sb_printsc(sc) 186 struct sbdsp_softc *sc; 187 { 188 int i; 189 190 printf("open %d dmachan %d/%d/%d iobase 0x%x irq %d\n", 191 (int)sc->sc_open, sc->dmachan, sc->sc_drq8, sc->sc_drq16, 192 sc->sc_iobase, sc->sc_irq); 193 printf("irate %d itc %x orate %d otc %x\n", 194 sc->sc_irate, sc->sc_itc, 195 sc->sc_orate, sc->sc_otc); 196 printf("outport %u inport %u spkron %u nintr %lu\n", 197 sc->out_port, sc->in_port, sc->spkr_state, sc->sc_interrupts); 198 printf("intr %p arg %p\n", 199 sc->sc_intr, sc->sc_arg); 200 printf("gain:"); 201 for (i = 0; i < SB_NDEVS; i++) 202 printf(" %u,%u", sc->gain[i][SB_LEFT], sc->gain[i][SB_RIGHT]); 203 printf("\n"); 204 } 205 #endif /* AUDIO_DEBUG */ 206 207 /* 208 * Probe / attach routines. 209 */ 210 211 /* 212 * Probe for the soundblaster hardware. 213 */ 214 int 215 sbdsp_probe(sc) 216 struct sbdsp_softc *sc; 217 { 218 219 if (sbdsp_reset(sc) < 0) { 220 DPRINTF(("sbdsp: couldn't reset card\n")); 221 return 0; 222 } 223 /* if flags set, go and probe the jazz16 stuff */ 224 if (sc->sc_dev.dv_cfdata->cf_flags & 1) 225 sbdsp_jazz16_probe(sc); 226 else 227 sbversion(sc); 228 if (sc->sc_model == SB_UNK) { 229 /* Unknown SB model found. */ 230 DPRINTF(("sbdsp: unknown SB model found\n")); 231 return 0; 232 } 233 return 1; 234 } 235 236 /* 237 * Try add-on stuff for Jazz16. 238 */ 239 void 240 sbdsp_jazz16_probe(sc) 241 struct sbdsp_softc *sc; 242 { 243 static u_char jazz16_irq_conf[16] = { 244 -1, -1, 0x02, 0x03, 245 -1, 0x01, -1, 0x04, 246 -1, 0x02, 0x05, -1, 247 -1, -1, -1, 0x06}; 248 static u_char jazz16_drq_conf[8] = { 249 -1, 0x01, -1, 0x02, 250 -1, 0x03, -1, 0x04}; 251 252 bus_space_tag_t iot = sc->sc_iot; 253 bus_space_handle_t ioh; 254 255 sbversion(sc); 256 257 DPRINTF(("jazz16 probe\n")); 258 259 if (bus_space_map(iot, JAZZ16_CONFIG_PORT, 1, 0, &ioh)) { 260 DPRINTF(("bus map failed\n")); 261 return; 262 } 263 264 if (jazz16_drq_conf[sc->sc_drq8] == (u_char)-1 || 265 jazz16_irq_conf[sc->sc_irq] == (u_char)-1) { 266 DPRINTF(("drq/irq check failed\n")); 267 goto done; /* give up, we can't do it. */ 268 } 269 270 bus_space_write_1(iot, ioh, 0, JAZZ16_WAKEUP); 271 delay(10000); /* delay 10 ms */ 272 bus_space_write_1(iot, ioh, 0, JAZZ16_SETBASE); 273 bus_space_write_1(iot, ioh, 0, sc->sc_iobase & 0x70); 274 275 if (sbdsp_reset(sc) < 0) { 276 DPRINTF(("sbdsp_reset check failed\n")); 277 goto done; /* XXX? what else could we do? */ 278 } 279 280 if (sbdsp_wdsp(sc, JAZZ16_READ_VER)) { 281 DPRINTF(("read16 setup failed\n")); 282 goto done; 283 } 284 285 if (sbdsp_rdsp(sc) != JAZZ16_VER_JAZZ) { 286 DPRINTF(("read16 failed\n")); 287 goto done; 288 } 289 290 /* XXX set both 8 & 16-bit drq to same channel, it works fine. */ 291 sc->sc_drq16 = sc->sc_drq8; 292 if (sbdsp_wdsp(sc, JAZZ16_SET_DMAINTR) || 293 sbdsp_wdsp(sc, (jazz16_drq_conf[sc->sc_drq16] << 4) | 294 jazz16_drq_conf[sc->sc_drq8]) || 295 sbdsp_wdsp(sc, jazz16_irq_conf[sc->sc_irq])) { 296 DPRINTF(("sbdsp: can't write jazz16 probe stuff\n")); 297 } else { 298 DPRINTF(("jazz16 detected!\n")); 299 sc->sc_model = SB_JAZZ; 300 sc->sc_mixer_model = SBM_CT1345; /* XXX really? */ 301 } 302 303 done: 304 bus_space_unmap(iot, ioh, 1); 305 } 306 307 /* 308 * Attach hardware to driver, attach hardware driver to audio 309 * pseudo-device driver . 310 */ 311 void 312 sbdsp_attach(sc) 313 struct sbdsp_softc *sc; 314 { 315 struct audio_params xparams; 316 int i; 317 u_int v; 318 319 sbdsp_set_params(sc, AUMODE_RECORD, &audio_default, &xparams); 320 sbdsp_set_params(sc, AUMODE_PLAY, &audio_default, &xparams); 321 322 sbdsp_set_in_port(sc, SB_MIC_VOL); 323 sbdsp_set_out_port(sc, SB_MASTER_VOL); 324 325 if (sc->sc_mixer_model != SBM_NONE) { 326 /* Reset the mixer.*/ 327 sbdsp_mix_write(sc, SBP_MIX_RESET, SBP_MIX_RESET); 328 /* And set our own default values */ 329 for (i = 0; i < SB_NDEVS; i++) { 330 switch(i) { 331 case SB_MIC_VOL: 332 case SB_LINE_IN_VOL: 333 v = 0; 334 break; 335 case SB_BASS: 336 case SB_TREBLE: 337 v = SB_ADJUST_GAIN(sc, AUDIO_MAX_GAIN/2); 338 break; 339 default: 340 v = SB_ADJUST_GAIN(sc, AUDIO_MAX_GAIN * 3 / 4); 341 break; 342 } 343 sc->gain[i][SB_LEFT] = sc->gain[i][SB_RIGHT] = v; 344 sbdsp_set_mixer_gain(sc, i); 345 } 346 sc->in_filter = 0; /* no filters turned on, please */ 347 } 348 349 printf(": dsp v%d.%02d%s\n", 350 SBVER_MAJOR(sc->sc_version), SBVER_MINOR(sc->sc_version), 351 sc->sc_model == SB_JAZZ ? ": <Jazz16>" : ""); 352 } 353 354 void 355 sbdsp_mix_write(sc, mixerport, val) 356 struct sbdsp_softc *sc; 357 int mixerport; 358 int val; 359 { 360 bus_space_tag_t iot = sc->sc_iot; 361 bus_space_handle_t ioh = sc->sc_ioh; 362 int s; 363 364 s = splaudio(); 365 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 366 delay(20); 367 bus_space_write_1(iot, ioh, SBP_MIXER_DATA, val); 368 delay(30); 369 splx(s); 370 } 371 372 int 373 sbdsp_mix_read(sc, mixerport) 374 struct sbdsp_softc *sc; 375 int mixerport; 376 { 377 bus_space_tag_t iot = sc->sc_iot; 378 bus_space_handle_t ioh = sc->sc_ioh; 379 int val; 380 int s; 381 382 s = splaudio(); 383 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 384 delay(20); 385 val = bus_space_read_1(iot, ioh, SBP_MIXER_DATA); 386 delay(30); 387 splx(s); 388 return val; 389 } 390 391 /* 392 * Various routines to interface to higher level audio driver 393 */ 394 395 int 396 sbdsp_query_encoding(addr, fp) 397 void *addr; 398 struct audio_encoding *fp; 399 { 400 struct sbdsp_softc *sc = addr; 401 int emul; 402 403 emul = sc->sc_model != SB_16 ? AUDIO_ENCODINGFLAG_EMULATED : 0; 404 405 switch (fp->index) { 406 case 0: 407 strcpy(fp->name, AudioEulinear); 408 fp->encoding = AUDIO_ENCODING_ULINEAR; 409 fp->precision = 8; 410 fp->flags = 0; 411 return 0; 412 case 1: 413 strcpy(fp->name, AudioEmulaw); 414 fp->encoding = AUDIO_ENCODING_ULAW; 415 fp->precision = 8; 416 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 417 return 0; 418 case 2: 419 strcpy(fp->name, AudioElinear); 420 fp->encoding = AUDIO_ENCODING_LINEAR; 421 fp->precision = 8; 422 fp->flags = emul; 423 return 0; 424 } 425 if (sc->sc_model != SB_16 && sc->sc_model != SB_JAZZ) 426 return EINVAL; 427 428 switch(fp->index) { 429 case 3: 430 strcpy(fp->name, AudioElinear_le); 431 fp->encoding = AUDIO_ENCODING_LINEAR_LE; 432 fp->precision = 16; 433 fp->flags = 0; 434 return 0; 435 case 4: 436 strcpy(fp->name, AudioEulinear_le); 437 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 438 fp->precision = 16; 439 fp->flags = emul; 440 return 0; 441 case 5: 442 strcpy(fp->name, AudioElinear_be); 443 fp->encoding = AUDIO_ENCODING_LINEAR_BE; 444 fp->precision = 16; 445 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 446 return 0; 447 case 6: 448 strcpy(fp->name, AudioEulinear_be); 449 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 450 fp->precision = 16; 451 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 452 return 0; 453 default: 454 return EINVAL; 455 } 456 return 0; 457 } 458 459 int 460 sbdsp_set_params(addr, mode, p, q) 461 void *addr; 462 int mode; 463 struct audio_params *p, *q; 464 { 465 struct sbdsp_softc *sc = addr; 466 struct sbmode *m; 467 u_int rate, tc = 1, bmode = -1; 468 void (*swcode) __P((void *, u_char *buf, int cnt)); 469 470 for(m = mode == AUMODE_PLAY ? sbpmodes : sbrmodes; 471 m->version != -1; m++) { 472 if (sc->sc_model == m->version && 473 p->channels == m->channels && 474 p->precision == m->precision && 475 p->sample_rate >= m->lowrate && 476 p->sample_rate < m->highrate) 477 break; 478 } 479 if (m->version == -1) 480 return EINVAL; 481 rate = p->sample_rate; 482 swcode = 0; 483 if (m->version == SB_16) { 484 switch (p->encoding) { 485 case AUDIO_ENCODING_LINEAR_BE: 486 if (p->precision == 16) 487 swcode = swap_bytes; 488 /* fall into */ 489 case AUDIO_ENCODING_LINEAR_LE: 490 bmode = 0x10; 491 break; 492 case AUDIO_ENCODING_ULINEAR_BE: 493 if (p->precision == 16) 494 swcode = swap_bytes; 495 /* fall into */ 496 case AUDIO_ENCODING_ULINEAR_LE: 497 bmode = 0; 498 break; 499 case AUDIO_ENCODING_ULAW: 500 swcode = mode == AUMODE_PLAY ? 501 mulaw_to_ulinear8 : ulinear8_to_mulaw; 502 bmode = 0; 503 break; 504 default: 505 return EINVAL; 506 } 507 if (p->channels == 2) 508 bmode |= 0x20; 509 } else if (m->version == SB_JAZZ && m->precision == 16) { 510 switch (p->encoding) { 511 case AUDIO_ENCODING_LINEAR_LE: 512 break; 513 case AUDIO_ENCODING_ULINEAR_LE: 514 swcode = change_sign16; 515 break; 516 case AUDIO_ENCODING_LINEAR_BE: 517 swcode = swap_bytes; 518 break; 519 case AUDIO_ENCODING_ULINEAR_BE: 520 swcode = mode == AUMODE_PLAY ? 521 swap_bytes_change_sign16 : change_sign16_swap_bytes; 522 break; 523 case AUDIO_ENCODING_ULAW: 524 swcode = mode == AUMODE_PLAY ? 525 mulaw_to_ulinear8 : ulinear8_to_mulaw; 526 break; 527 default: 528 return EINVAL; 529 } 530 } else { 531 switch (p->encoding) { 532 case AUDIO_ENCODING_LINEAR_BE: 533 case AUDIO_ENCODING_LINEAR_LE: 534 swcode = change_sign8; 535 break; 536 case AUDIO_ENCODING_ULINEAR_BE: 537 case AUDIO_ENCODING_ULINEAR_LE: 538 break; 539 case AUDIO_ENCODING_ULAW: 540 swcode = mode == AUMODE_PLAY ? 541 mulaw_to_ulinear8 : ulinear8_to_mulaw; 542 break; 543 default: 544 return EINVAL; 545 } 546 tc = SB_RATE_TO_TC(p->sample_rate * p->channels); 547 p->sample_rate = SB_TC_TO_RATE(tc) / p->channels; 548 } 549 550 if (mode == AUMODE_PLAY) { 551 sc->sc_orate = rate; 552 sc->sc_otc = tc; 553 sc->sc_omodep = m; 554 sc->sc_obmode = bmode; 555 } else { 556 sc->sc_irate = rate; 557 sc->sc_itc = tc; 558 sc->sc_imodep = m; 559 sc->sc_ibmode = bmode; 560 } 561 562 p->sw_code = swcode; 563 564 /* Update setting for the other mode. */ 565 q->encoding = p->encoding; 566 q->channels = p->channels; 567 q->precision = p->precision; 568 569 /* 570 * XXX 571 * Should wait for chip to be idle. 572 */ 573 sc->sc_dmadir = SB_DMA_NONE; 574 575 DPRINTF(("set_params: version=%d, rate=%ld, prec=%d, chan=%d, enc=%d -> tc=%02x, cmd=%02x, bmode=%02x, cmdchan=%02x, swcode=%p\n", 576 sc->sc_model, p->sample_rate, p->precision, p->channels, 577 p->encoding, tc, m->cmd, bmode, m->cmdchan, swcode)); 578 579 return 0; 580 } 581 582 void 583 sbdsp_set_ifilter(addr, which) 584 void *addr; 585 int which; 586 { 587 struct sbdsp_softc *sc = addr; 588 int mixval; 589 590 mixval = sbdsp_mix_read(sc, SBP_INFILTER) & ~SBP_IFILTER_MASK; 591 switch (which) { 592 case 0: 593 mixval |= SBP_FILTER_OFF; 594 break; 595 case SB_TREBLE: 596 mixval |= SBP_FILTER_ON | SBP_IFILTER_HIGH; 597 break; 598 case SB_BASS: 599 mixval |= SBP_FILTER_ON | SBP_IFILTER_LOW; 600 break; 601 default: 602 return; 603 } 604 sc->in_filter = mixval & SBP_IFILTER_MASK; 605 sbdsp_mix_write(sc, SBP_INFILTER, mixval); 606 } 607 608 int 609 sbdsp_get_ifilter(addr) 610 void *addr; 611 { 612 struct sbdsp_softc *sc = addr; 613 614 sc->in_filter = 615 sbdsp_mix_read(sc, SBP_INFILTER) & SBP_IFILTER_MASK; 616 switch (sc->in_filter) { 617 case SBP_FILTER_ON|SBP_IFILTER_HIGH: 618 return SB_TREBLE; 619 case SBP_FILTER_ON|SBP_IFILTER_LOW: 620 return SB_BASS; 621 default: 622 return 0; 623 } 624 } 625 626 int 627 sbdsp_set_out_port(addr, port) 628 void *addr; 629 int port; 630 { 631 struct sbdsp_softc *sc = addr; 632 633 sc->out_port = port; /* Just record it */ 634 635 return 0; 636 } 637 638 int 639 sbdsp_get_out_port(addr) 640 void *addr; 641 { 642 struct sbdsp_softc *sc = addr; 643 644 return sc->out_port; 645 } 646 647 648 int 649 sbdsp_set_in_port(addr, port) 650 void *addr; 651 int port; 652 { 653 return sbdsp_set_in_ports(addr, 1 << port); 654 } 655 656 int 657 sbdsp_set_in_ports(sc, mask) 658 struct sbdsp_softc *sc; 659 int mask; 660 { 661 int bitsl, bitsr; 662 int sbport; 663 int i; 664 665 DPRINTF(("sbdsp_set_in_ports: model=%d, mask=%x\n", 666 sc->sc_mixer_model, mask)); 667 668 switch(sc->sc_mixer_model) { 669 case SBM_NONE: 670 return EINVAL; 671 case SBM_CT1335: 672 if (mask != (1 << SB_MIC_VOL)) 673 return EINVAL; 674 break; 675 case SBM_CT1345: 676 switch (mask) { 677 case 1 << SB_MIC_VOL: 678 sbport = SBP_FROM_MIC; 679 break; 680 case 1 << SB_LINE_IN_VOL: 681 sbport = SBP_FROM_LINE; 682 break; 683 case 1 << SB_CD_VOL: 684 sbport = SBP_FROM_CD; 685 break; 686 default: 687 return EINVAL; 688 } 689 sbdsp_mix_write(sc, SBP_RECORD_SOURCE, 690 SBP_RECORD_FROM(sbport, SBP_FILTER_OFF, SBP_IFILTER_HIGH)); 691 break; 692 case SBM_CT1745: 693 if (mask & ~((1<<SB_MIDI_VOL) | (1<<SB_LINE_IN_VOL) | 694 (1<<SB_CD_VOL) | (1<<SB_MIC_VOL))) 695 return EINVAL; 696 bitsr = 0; 697 if (mask & SB_MIDI_VOL) bitsr |= SBP_MIDI_SRC_R; 698 if (mask & SB_LINE_IN_VOL) bitsr |= SBP_LINE_SRC_R; 699 if (mask & SB_CD_VOL) bitsr |= SBP_CD_SRC_R; 700 bitsl = SB_SRC_R_TO_L(bitsr); 701 if (mask & SB_MIC_VOL) { 702 bitsl |= SBP_MIC_SRC; 703 bitsr |= SBP_MIC_SRC; 704 } 705 sbdsp_mix_write(sc, SBP_RECORD_SOURCE_L, bitsl); 706 sbdsp_mix_write(sc, SBP_RECORD_SOURCE_R, bitsr); 707 break; 708 } 709 710 sc->in_mask = mask; 711 712 /* XXX 713 * We have to fake a single port since the upper layer 714 * expects one. 715 */ 716 for(i = 0; i < SB_NPORT; i++) { 717 if (mask & (1 << i)) { 718 sc->in_port = i; 719 break; 720 } 721 } 722 return 0; 723 } 724 725 int 726 sbdsp_get_in_port(addr) 727 void *addr; 728 { 729 struct sbdsp_softc *sc = addr; 730 731 return sc->in_port; 732 } 733 734 735 int 736 sbdsp_speaker_ctl(addr, newstate) 737 void *addr; 738 int newstate; 739 { 740 struct sbdsp_softc *sc = addr; 741 742 if ((newstate == SPKR_ON) && 743 (sc->spkr_state == SPKR_OFF)) { 744 sbdsp_spkron(sc); 745 sc->spkr_state = SPKR_ON; 746 } 747 if ((newstate == SPKR_OFF) && 748 (sc->spkr_state == SPKR_ON)) { 749 sbdsp_spkroff(sc); 750 sc->spkr_state = SPKR_OFF; 751 } 752 return 0; 753 } 754 755 int 756 sbdsp_round_blocksize(addr, blk) 757 void *addr; 758 int blk; 759 { 760 if (blk > NBPG/3) 761 blk = NBPG/3; /* XXX allow at least 3 blocks */ 762 763 /* Round to a multiple of the biggest sample size. */ 764 blk &= -4; 765 766 return blk; 767 } 768 769 int 770 sbdsp_commit_settings(addr) 771 void *addr; 772 { 773 return 0; 774 } 775 776 int 777 sbdsp_open(sc, dev, flags) 778 struct sbdsp_softc *sc; 779 dev_t dev; 780 int flags; 781 { 782 DPRINTF(("sbdsp_open: sc=%p\n", sc)); 783 784 if (sc->sc_open != 0 || sbdsp_reset(sc) != 0) 785 return ENXIO; 786 787 sc->sc_open = 1; 788 sc->sc_mintr = 0; 789 if (ISSBPRO(sc) && 790 sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) { 791 DPRINTF(("sbdsp_open: can't set mono mode\n")); 792 /* we'll readjust when it's time for DMA. */ 793 } 794 795 /* 796 * Leave most things as they were; users must change things if 797 * the previous process didn't leave it they way they wanted. 798 * Looked at another way, it's easy to set up a configuration 799 * in one program and leave it for another to inherit. 800 */ 801 DPRINTF(("sbdsp_open: opened\n")); 802 803 return 0; 804 } 805 806 void 807 sbdsp_close(addr) 808 void *addr; 809 { 810 struct sbdsp_softc *sc = addr; 811 812 DPRINTF(("sbdsp_close: sc=%p\n", sc)); 813 814 sc->sc_open = 0; 815 sbdsp_spkroff(sc); 816 sc->spkr_state = SPKR_OFF; 817 sc->sc_intr = 0; 818 sc->sc_mintr = 0; 819 sbdsp_haltdma(sc); 820 821 DPRINTF(("sbdsp_close: closed\n")); 822 } 823 824 /* 825 * Lower-level routines 826 */ 827 828 /* 829 * Reset the card. 830 * Return non-zero if the card isn't detected. 831 */ 832 int 833 sbdsp_reset(sc) 834 struct sbdsp_softc *sc; 835 { 836 bus_space_tag_t iot = sc->sc_iot; 837 bus_space_handle_t ioh = sc->sc_ioh; 838 839 sc->sc_intr = 0; 840 if (sc->sc_dmadir != SB_DMA_NONE) { 841 isa_dmaabort(sc->dmachan); 842 sc->sc_dmadir = SB_DMA_NONE; 843 } 844 845 /* 846 * See SBK, section 11.3. 847 * We pulse a reset signal into the card. 848 * Gee, what a brilliant hardware design. 849 */ 850 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 1); 851 delay(10); 852 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 0); 853 delay(30); 854 if (sbdsp_rdsp(sc) != SB_MAGIC) 855 return -1; 856 857 return 0; 858 } 859 860 int 861 sbdsp16_wait(sc) 862 struct sbdsp_softc *sc; 863 { 864 bus_space_tag_t iot = sc->sc_iot; 865 bus_space_handle_t ioh = sc->sc_ioh; 866 int i; 867 u_char x; 868 869 for (i = SBDSP_NPOLL; --i >= 0; ) { 870 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 871 delay(10); 872 if ((x & SB_DSP_BUSY) == 0) 873 continue; 874 return 0; 875 } 876 ++sberr.wdsp; 877 return -1; 878 } 879 880 /* 881 * Write a byte to the dsp. 882 * XXX We are at the mercy of the card as we use a 883 * polling loop and wait until it can take the byte. 884 */ 885 int 886 sbdsp_wdsp(sc, v) 887 struct sbdsp_softc *sc; 888 int v; 889 { 890 bus_space_tag_t iot = sc->sc_iot; 891 bus_space_handle_t ioh = sc->sc_ioh; 892 int i; 893 u_char x; 894 895 for (i = SBDSP_NPOLL; --i >= 0; ) { 896 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 897 delay(10); 898 if ((x & SB_DSP_BUSY) != 0) 899 continue; 900 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, v); 901 delay(10); 902 return 0; 903 } 904 ++sberr.wdsp; 905 return -1; 906 } 907 908 /* 909 * Read a byte from the DSP, using polling. 910 */ 911 int 912 sbdsp_rdsp(sc) 913 struct sbdsp_softc *sc; 914 { 915 bus_space_tag_t iot = sc->sc_iot; 916 bus_space_handle_t ioh = sc->sc_ioh; 917 int i; 918 u_char x; 919 920 for (i = SBDSP_NPOLL; --i >= 0; ) { 921 x = bus_space_read_1(iot, ioh, SBP_DSP_RSTAT); 922 delay(10); 923 if ((x & SB_DSP_READY) == 0) 924 continue; 925 x = bus_space_read_1(iot, ioh, SBP_DSP_READ); 926 delay(10); 927 return x; 928 } 929 ++sberr.rdsp; 930 return -1; 931 } 932 933 /* 934 * Doing certain things (like toggling the speaker) make 935 * the SB hardware go away for a while, so pause a little. 936 */ 937 void 938 sbdsp_to(arg) 939 void *arg; 940 { 941 wakeup(arg); 942 } 943 944 void 945 sbdsp_pause(sc) 946 struct sbdsp_softc *sc; 947 { 948 extern int hz; 949 950 timeout(sbdsp_to, sbdsp_to, hz/8); 951 (void)tsleep(sbdsp_to, PWAIT, "sbpause", 0); 952 } 953 954 /* 955 * Turn on the speaker. The SBK documention says this operation 956 * can take up to 1/10 of a second. Higher level layers should 957 * probably let the task sleep for this amount of time after 958 * calling here. Otherwise, things might not work (because 959 * sbdsp_wdsp() and sbdsp_rdsp() will probably timeout.) 960 * 961 * These engineers had their heads up their ass when 962 * they designed this card. 963 */ 964 void 965 sbdsp_spkron(sc) 966 struct sbdsp_softc *sc; 967 { 968 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_ON); 969 sbdsp_pause(sc); 970 } 971 972 /* 973 * Turn off the speaker; see comment above. 974 */ 975 void 976 sbdsp_spkroff(sc) 977 struct sbdsp_softc *sc; 978 { 979 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_OFF); 980 sbdsp_pause(sc); 981 } 982 983 /* 984 * Read the version number out of the card. Return major code 985 * in high byte, and minor code in low byte. 986 */ 987 void 988 sbversion(sc) 989 struct sbdsp_softc *sc; 990 { 991 int v; 992 993 sc->sc_model = SB_UNK; 994 sc->sc_version = 0; 995 if (sbdsp_wdsp(sc, SB_DSP_VERSION) < 0) 996 return; 997 v = sbdsp_rdsp(sc) << 8; 998 v |= sbdsp_rdsp(sc); 999 if (v < 0) 1000 return; 1001 sc->sc_version = v; 1002 switch(SBVER_MAJOR(v)) { 1003 case 1: 1004 sc->sc_mixer_model = SBM_NONE; 1005 sc->sc_model = SB_1; 1006 break; 1007 case 2: 1008 /* Some SB2 have a mixer, some don't. */ 1009 sbdsp_mix_write(sc, SBP_1335_MASTER_VOL, 0x04); 1010 sbdsp_mix_write(sc, SBP_1335_MIDI_VOL, 0x06); 1011 /* Check if we can read back the mixer values. */ 1012 if ((sbdsp_mix_read(sc, SBP_1335_MASTER_VOL) & 0x0e) == 0x04 && 1013 (sbdsp_mix_read(sc, SBP_1335_MIDI_VOL) & 0x0e) == 0x06) 1014 sc->sc_mixer_model = SBM_CT1335; 1015 else 1016 sc->sc_mixer_model = SBM_NONE; 1017 if (SBVER_MINOR(v) == 0) 1018 sc->sc_model = SB_20; 1019 else 1020 sc->sc_model = SB_2x; 1021 break; 1022 case 3: 1023 sc->sc_mixer_model = SBM_CT1345; 1024 sc->sc_model = SB_PRO; 1025 break; 1026 case 4: 1027 sc->sc_mixer_model = SBM_CT1745; 1028 sc->sc_model = SB_16; 1029 break; 1030 } 1031 } 1032 1033 /* 1034 * Halt a DMA in progress. A low-speed transfer can be 1035 * resumed with sbdsp_contdma(). 1036 */ 1037 int 1038 sbdsp_haltdma(addr) 1039 void *addr; 1040 { 1041 struct sbdsp_softc *sc = addr; 1042 1043 DPRINTF(("sbdsp_haltdma: sc=%p\n", sc)); 1044 1045 sbdsp_reset(sc); 1046 return 0; 1047 } 1048 1049 int 1050 sbdsp_contdma(addr) 1051 void *addr; 1052 { 1053 struct sbdsp_softc *sc = addr; 1054 1055 DPRINTF(("sbdsp_contdma: sc=%p\n", sc)); 1056 1057 /* XXX how do we reinitialize the DMA controller state? do we care? */ 1058 (void)sbdsp_wdsp(sc, SB_DSP_CONT); 1059 return 0; 1060 } 1061 1062 int 1063 sbdsp_set_timeconst(sc, tc) 1064 struct sbdsp_softc *sc; 1065 int tc; 1066 { 1067 DPRINTF(("sbdsp_set_timeconst: sc=%p tc=%d\n", sc, tc)); 1068 1069 if (sbdsp_wdsp(sc, SB_DSP_TIMECONST) < 0 || 1070 sbdsp_wdsp(sc, tc) < 0) 1071 return EIO; 1072 1073 return 0; 1074 } 1075 1076 int 1077 sbdsp16_set_rate(sc, cmd, rate) 1078 struct sbdsp_softc *sc; 1079 int cmd, rate; 1080 { 1081 DPRINTF(("sbdsp16_set_rate: sc=%p rate=%d\n", sc, rate)); 1082 1083 if (sbdsp_wdsp(sc, cmd) < 0 || 1084 sbdsp_wdsp(sc, rate >> 8) < 0 || 1085 sbdsp_wdsp(sc, rate) < 0) 1086 return EIO; 1087 return 0; 1088 } 1089 1090 int 1091 sbdsp_dma_input(addr, p, cc, intr, arg) 1092 void *addr; 1093 void *p; 1094 int cc; 1095 void (*intr) __P((void *)); 1096 void *arg; 1097 { 1098 struct sbdsp_softc *sc = addr; 1099 int loop = sc->sc_model != SB_1; 1100 int stereo = sc->sc_imodep->channels == 2; 1101 int filter; 1102 1103 #ifdef AUDIO_DEBUG 1104 if (sbdspdebug > 1) 1105 Dprintf("sbdsp_dma_input: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1106 #endif 1107 #ifdef DIAGNOSTIC 1108 if (sc->sc_imodep->channels == 2 && (cc & 1)) { 1109 DPRINTF(("stereo record odd bytes (%d)\n", cc)); 1110 return EIO; 1111 } 1112 #endif 1113 1114 if (sc->sc_dmadir != SB_DMA_IN) { 1115 if (ISSBPRO(sc)) { 1116 if (sbdsp_wdsp(sc, sc->sc_imodep->cmdchan) < 0) 1117 goto badmode; 1118 filter = stereo ? SBP_FILTER_OFF : sc->in_filter; 1119 sbdsp_mix_write(sc, SBP_INFILTER, 1120 (sbdsp_mix_read(sc, SBP_INFILTER) & 1121 ~SBP_IFILTER_MASK) | filter); 1122 } 1123 1124 if (ISSB16CLASS(sc)) { 1125 if (sbdsp16_set_rate(sc, SB_DSP16_INPUTRATE, 1126 sc->sc_irate)) 1127 goto giveup; 1128 } else { 1129 if (sbdsp_set_timeconst(sc, sc->sc_itc)) 1130 goto giveup; 1131 } 1132 1133 sc->sc_dmadir = SB_DMA_IN; 1134 sc->dmaflags = DMAMODE_READ; 1135 if (loop) 1136 sc->dmaflags |= DMAMODE_LOOP; 1137 } else { 1138 /* If already started; just return. */ 1139 if (loop) 1140 return 0; 1141 } 1142 1143 sc->dmaaddr = p; 1144 sc->dmacnt = loop ? (NBPG/cc)*cc : cc; 1145 sc->dmachan = sc->sc_imodep->precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 1146 isa_dmastart(sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->dmachan); 1147 sc->sc_intr = intr; 1148 sc->sc_arg = arg; 1149 1150 if (sc->sc_imodep->precision == 16) 1151 cc >>= 1; 1152 --cc; 1153 if (ISSB16CLASS(sc)) { 1154 if (sbdsp_wdsp(sc, sc->sc_imodep->cmd) < 0 || 1155 sbdsp_wdsp(sc, sc->sc_ibmode) < 0 || 1156 sbdsp16_wait(sc) || 1157 sbdsp_wdsp(sc, cc) < 0 || 1158 sbdsp_wdsp(sc, cc >> 8) < 0) { 1159 DPRINTF(("sbdsp_dma_input: SB16 DMA start failed\n")); 1160 goto giveup; 1161 } 1162 } else { 1163 if (loop) { 1164 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1165 sbdsp_wdsp(sc, cc) < 0 || 1166 sbdsp_wdsp(sc, cc >> 8) < 0) { 1167 DPRINTF(("sbdsp_dma_input: SB2 DMA start failed\n")); 1168 goto giveup; 1169 } 1170 if (sbdsp_wdsp(sc, sc->sc_imodep->cmd) < 0) 1171 DPRINTF(("sbdsp_dma_input: SB2 DMA restart failed\n")); 1172 goto giveup; 1173 } else { 1174 if (sbdsp_wdsp(sc, sc->sc_imodep->cmd) < 0 || 1175 sbdsp_wdsp(sc, cc) < 0 || 1176 sbdsp_wdsp(sc, cc >> 8) < 0) { 1177 DPRINTF(("sbdsp_dma_input: SB1 DMA start failed\n")); 1178 goto giveup; 1179 } 1180 } 1181 } 1182 return 0; 1183 1184 giveup: 1185 sbdsp_reset(sc); 1186 return EIO; 1187 1188 badmode: 1189 DPRINTF(("sbdsp_dma_input: can't set mode\n")); 1190 return EIO; 1191 } 1192 1193 int 1194 sbdsp_dma_output(addr, p, cc, intr, arg) 1195 void *addr; 1196 void *p; 1197 int cc; 1198 void (*intr) __P((void *)); 1199 void *arg; 1200 { 1201 struct sbdsp_softc *sc = addr; 1202 int loop = sc->sc_model != SB_1; 1203 int stereo = sc->sc_omodep->channels == 2; 1204 int cmd; 1205 1206 #ifdef AUDIO_DEBUG 1207 if (sbdspdebug > 1) 1208 Dprintf("sbdsp_dma_output: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1209 #endif 1210 #ifdef DIAGNOSTIC 1211 if (sc->sc_omodep->channels == 2 && (cc & 1)) { 1212 DPRINTF(("stereo playback odd bytes (%d)\n", cc)); 1213 return EIO; 1214 } 1215 #endif 1216 1217 if (sc->sc_dmadir != SB_DMA_OUT) { 1218 if (ISSBPRO(sc)) { 1219 /* make sure we re-set stereo mixer bit when we start 1220 output. */ 1221 sbdsp_mix_write(sc, SBP_STEREO, 1222 (sbdsp_mix_read(sc, SBP_STEREO) & ~SBP_PLAYMODE_MASK) | 1223 (stereo ? SBP_PLAYMODE_STEREO : SBP_PLAYMODE_MONO)); 1224 cmd = sc->sc_omodep->cmdchan; 1225 if (cmd && sbdsp_wdsp(sc, cmd) < 0) 1226 goto badmode; 1227 } 1228 1229 if (ISSB16CLASS(sc)) { 1230 if (sbdsp16_set_rate(sc, SB_DSP16_OUTPUTRATE, 1231 sc->sc_orate)) 1232 goto giveup; 1233 } else { 1234 if (sbdsp_set_timeconst(sc, sc->sc_otc)) 1235 goto giveup; 1236 } 1237 1238 sc->sc_dmadir = SB_DMA_OUT; 1239 sc->dmaflags = DMAMODE_WRITE; 1240 if (loop) 1241 sc->dmaflags |= DMAMODE_LOOP; 1242 } else { 1243 /* Already started; just return. */ 1244 if (loop) 1245 return 0; 1246 } 1247 1248 sc->dmaaddr = p; 1249 sc->dmacnt = loop ? (NBPG/cc)*cc : cc; 1250 sc->dmachan = sc->sc_omodep->precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 1251 #ifdef AUDIO_DEBUG 1252 if (sbdspdebug > 1) 1253 Dprintf("sbdsp_dma_output: dmastart %x %p %d %d\n", 1254 sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->dmachan); 1255 #endif 1256 isa_dmastart(sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->dmachan); 1257 sc->sc_intr = intr; 1258 sc->sc_arg = arg; 1259 1260 if (sc->sc_omodep->precision == 16) 1261 cc >>= 1; 1262 --cc; 1263 if (ISSB16CLASS(sc)) { 1264 if (sbdsp_wdsp(sc, sc->sc_omodep->cmd) < 0 || 1265 sbdsp_wdsp(sc, sc->sc_obmode) < 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 { 1273 if (loop) { 1274 DPRINTF(("sbdsp_dma_output: set blocksize=%d\n", cc)); 1275 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1276 sbdsp_wdsp(sc, cc) < 0 || 1277 sbdsp_wdsp(sc, cc >> 8) < 0) { 1278 DPRINTF(("sbdsp_dma_output: SB2 DMA blocksize failed\n")); 1279 goto giveup; 1280 } 1281 if (sbdsp_wdsp(sc, sc->sc_omodep->cmd) < 0) { 1282 DPRINTF(("sbdsp_dma_output: SB2 DMA start failed\n")); 1283 goto giveup; 1284 } 1285 } else { 1286 if (sbdsp_wdsp(sc, sc->sc_omodep->cmd) < 0 || 1287 sbdsp_wdsp(sc, cc) < 0 || 1288 sbdsp_wdsp(sc, cc >> 8) < 0) { 1289 DPRINTF(("sbdsp_dma_output: SB1 DMA start failed\n")); 1290 goto giveup; 1291 } 1292 } 1293 } 1294 return 0; 1295 1296 giveup: 1297 sbdsp_reset(sc); 1298 return EIO; 1299 badmode: 1300 DPRINTF(("sbdsp_dma_input: can't set mode\n")); 1301 return EIO; 1302 } 1303 1304 /* 1305 * Only the DSP unit on the sound blaster generates interrupts. 1306 * There are three cases of interrupt: reception of a midi byte 1307 * (when mode is enabled), completion of dma transmission, or 1308 * completion of a dma reception. The three modes are mutually 1309 * exclusive so we know a priori which event has occurred. 1310 */ 1311 int 1312 sbdsp_intr(arg) 1313 void *arg; 1314 { 1315 struct sbdsp_softc *sc = arg; 1316 int loop = sc->sc_model != SB_1; 1317 u_char irq; 1318 1319 #ifdef AUDIO_DEBUG 1320 if (sbdspdebug > 1) 1321 Dprintf("sbdsp_intr: intr=0x%x\n", sc->sc_intr); 1322 #endif 1323 if (ISSB16CLASS(sc)) { 1324 irq = sbdsp_mix_read(sc, SBP_IRQ_STATUS); 1325 if ((irq & (SBP_IRQ_DMA8 | SBP_IRQ_DMA16)) == 0) 1326 return 0; 1327 } else { 1328 if (!loop && !isa_dmafinished(sc->dmachan)) 1329 return 0; 1330 irq = SBP_IRQ_DMA8; 1331 } 1332 sc->sc_interrupts++; 1333 delay(10); /* XXX why? */ 1334 #if 0 1335 if (sc->sc_mintr != 0) { 1336 x = sbdsp_rdsp(sc); 1337 (*sc->sc_mintr)(sc->sc_arg, x); 1338 } else 1339 #endif 1340 if (sc->sc_intr != 0) { 1341 /* clear interrupt */ 1342 if (irq & SBP_IRQ_DMA8) 1343 bus_space_read_1(sc->sc_iot, sc->sc_ioh, SBP_DSP_IRQACK8); 1344 if (irq & SBP_IRQ_DMA16) 1345 bus_space_read_1(sc->sc_iot, sc->sc_ioh, SBP_DSP_IRQACK16); 1346 if (!loop) 1347 isa_dmadone(sc->dmaflags, sc->dmaaddr, sc->dmacnt, 1348 sc->dmachan); 1349 (*sc->sc_intr)(sc->sc_arg); 1350 } else { 1351 return 0; 1352 } 1353 return 1; 1354 } 1355 1356 #if 0 1357 /* 1358 * Enter midi uart mode and arrange for read interrupts 1359 * to vector to `intr'. This puts the card in a mode 1360 * which allows only midi I/O; the card must be reset 1361 * to leave this mode. Unfortunately, the card does not 1362 * use transmit interrupts, so bytes must be output 1363 * using polling. To keep the polling overhead to a 1364 * minimum, output should be driven off a timer. 1365 * This is a little tricky since only 320us separate 1366 * consecutive midi bytes. 1367 */ 1368 void 1369 sbdsp_set_midi_mode(sc, intr, arg) 1370 struct sbdsp_softc *sc; 1371 void (*intr)(); 1372 void *arg; 1373 { 1374 1375 sbdsp_wdsp(sc, SB_MIDI_UART_INTR); 1376 sc->sc_mintr = intr; 1377 sc->sc_intr = 0; 1378 sc->sc_arg = arg; 1379 } 1380 1381 /* 1382 * Write a byte to the midi port, when in midi uart mode. 1383 */ 1384 void 1385 sbdsp_midi_output(sc, v) 1386 struct sbdsp_softc *sc; 1387 int v; 1388 { 1389 1390 if (sbdsp_wdsp(sc, v) < 0) 1391 ++sberr.wmidi; 1392 } 1393 #endif 1394 1395 int 1396 sbdsp_setfd(addr, flag) 1397 void *addr; 1398 int flag; 1399 { 1400 /* Can't do full-duplex */ 1401 return ENOTTY; 1402 } 1403 1404 void 1405 sbdsp_set_mixer_gain(sc, port) 1406 struct sbdsp_softc *sc; 1407 int port; 1408 { 1409 int src, gain; 1410 1411 switch(sc->sc_mixer_model) { 1412 case SBM_NONE: 1413 return; 1414 case SBM_CT1335: 1415 gain = SB_1335_GAIN(sc->gain[port][SB_LEFT]); 1416 switch(port) { 1417 case SB_MASTER_VOL: 1418 src = SBP_1335_MASTER_VOL; 1419 break; 1420 case SB_MIDI_VOL: 1421 src = SBP_1335_MIDI_VOL; 1422 break; 1423 case SB_CD_VOL: 1424 src = SBP_1335_CD_VOL; 1425 break; 1426 case SB_VOICE_VOL: 1427 src = SBP_1335_VOICE_VOL; 1428 gain = SB_1335_MASTER_GAIN(sc->gain[port][SB_LEFT]); 1429 break; 1430 default: 1431 return; 1432 } 1433 sbdsp_mix_write(sc, src, gain); 1434 break; 1435 case SBM_CT1345: 1436 gain = SB_STEREO_GAIN(sc->gain[port][SB_LEFT], 1437 sc->gain[port][SB_RIGHT]); 1438 switch (port) { 1439 case SB_MIC_VOL: 1440 src = SBP_MIC_VOL; 1441 gain = SB_MIC_GAIN(sc->gain[port][SB_LEFT]); 1442 break; 1443 case SB_MASTER_VOL: 1444 src = SBP_MASTER_VOL; 1445 break; 1446 case SB_LINE_IN_VOL: 1447 src = SBP_LINE_VOL; 1448 break; 1449 case SB_VOICE_VOL: 1450 src = SBP_VOICE_VOL; 1451 break; 1452 case SB_MIDI_VOL: 1453 src = SBP_MIDI_VOL; 1454 break; 1455 case SB_CD_VOL: 1456 src = SBP_CD_VOL; 1457 break; 1458 default: 1459 return; 1460 } 1461 sbdsp_mix_write(sc, src, gain); 1462 break; 1463 case SBM_CT1745: 1464 switch (port) { 1465 case SB_MIC_VOL: 1466 src = SB16P_MIC_L; 1467 break; 1468 case SB_MASTER_VOL: 1469 src = SB16P_MASTER_L; 1470 break; 1471 case SB_LINE_IN_VOL: 1472 src = SB16P_LINE_L; 1473 break; 1474 case SB_VOICE_VOL: 1475 src = SB16P_VOICE_L; 1476 break; 1477 case SB_MIDI_VOL: 1478 src = SB16P_MIDI_L; 1479 break; 1480 case SB_CD_VOL: 1481 src = SB16P_CD_L; 1482 break; 1483 case SB_INPUT_GAIN: 1484 src = SB16P_INPUT_GAIN_L; 1485 break; 1486 case SB_OUTPUT_GAIN: 1487 src = SB16P_OUTPUT_GAIN_L; 1488 break; 1489 case SB_TREBLE: 1490 src = SB16P_TREBLE_L; 1491 break; 1492 case SB_BASS: 1493 src = SB16P_BASS_L; 1494 break; 1495 case SB_PCSPEAKER: 1496 sbdsp_mix_write(sc, SB16P_PCSPEAKER, sc->gain[port][SB_LEFT]); 1497 return; 1498 default: 1499 return; 1500 } 1501 sbdsp_mix_write(sc, src, sc->gain[port][SB_LEFT]); 1502 sbdsp_mix_write(sc, SB16P_L_TO_R(src), sc->gain[port][SB_RIGHT]); 1503 break; 1504 } 1505 } 1506 1507 int 1508 sbdsp_mixer_set_port(addr, cp) 1509 void *addr; 1510 mixer_ctrl_t *cp; 1511 { 1512 struct sbdsp_softc *sc = addr; 1513 int lgain, rgain; 1514 1515 DPRINTF(("sbdsp_mixer_set_port: port=%d num_channels=%d\n", cp->dev, 1516 cp->un.value.num_channels)); 1517 1518 if (sc->sc_mixer_model == SBM_NONE) 1519 return EINVAL; 1520 1521 switch (cp->dev) { 1522 case SB_TREBLE: 1523 case SB_BASS: 1524 if (sc->sc_mixer_model == SBM_CT1345) { 1525 if (cp->type != AUDIO_MIXER_ENUM) 1526 return EINVAL; 1527 switch (cp->dev) { 1528 case SB_TREBLE: 1529 sbdsp_set_ifilter(addr, cp->un.ord ? SB_TREBLE : 0); 1530 return 0; 1531 case SB_BASS: 1532 sbdsp_set_ifilter(addr, cp->un.ord ? SB_BASS : 0); 1533 return 0; 1534 } 1535 } 1536 case SB_PCSPEAKER: 1537 case SB_INPUT_GAIN: 1538 case SB_OUTPUT_GAIN: 1539 if (sc->sc_mixer_model != SBM_CT1745) 1540 return EINVAL; 1541 case SB_MIC_VOL: 1542 case SB_LINE_IN_VOL: 1543 if (sc->sc_mixer_model == SBM_CT1335) 1544 return EINVAL; 1545 case SB_VOICE_VOL: 1546 case SB_MIDI_VOL: 1547 case SB_CD_VOL: 1548 case SB_MASTER_VOL: 1549 if (cp->type != AUDIO_MIXER_VALUE) 1550 return EINVAL; 1551 1552 /* 1553 * All the mixer ports are stereo except for the microphone. 1554 * If we get a single-channel gain value passed in, then we 1555 * duplicate it to both left and right channels. 1556 */ 1557 1558 switch (cp->dev) { 1559 case SB_MIC_VOL: 1560 if (cp->un.value.num_channels != 1) 1561 return EINVAL; 1562 1563 lgain = rgain = SB_ADJUST_MIC_GAIN(sc, 1564 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1565 break; 1566 case SB_PCSPEAKER: 1567 if (cp->un.value.num_channels != 1) 1568 return EINVAL; 1569 /* fall into */ 1570 case SB_INPUT_GAIN: 1571 case SB_OUTPUT_GAIN: 1572 lgain = rgain = SB_ADJUST_2_GAIN(sc, 1573 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1574 break; 1575 default: 1576 switch (cp->un.value.num_channels) { 1577 case 1: 1578 lgain = rgain = SB_ADJUST_GAIN(sc, 1579 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1580 break; 1581 case 2: 1582 if (sc->sc_mixer_model == SBM_CT1335) 1583 return EINVAL; 1584 lgain = SB_ADJUST_GAIN(sc, 1585 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]); 1586 rgain = SB_ADJUST_GAIN(sc, 1587 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]); 1588 break; 1589 default: 1590 return EINVAL; 1591 } 1592 break; 1593 } 1594 sc->gain[cp->dev][SB_LEFT] = lgain; 1595 sc->gain[cp->dev][SB_RIGHT] = rgain; 1596 1597 sbdsp_set_mixer_gain(sc, cp->dev); 1598 break; 1599 1600 case SB_RECORD_SOURCE: 1601 if (sc->sc_mixer_model == SBM_CT1745) { 1602 if (cp->type != AUDIO_MIXER_SET) 1603 return EINVAL; 1604 return sbdsp_set_in_ports(sc, cp->un.mask); 1605 } else { 1606 if (cp->type != AUDIO_MIXER_ENUM) 1607 return EINVAL; 1608 return sbdsp_set_in_port(sc, cp->un.ord); 1609 } 1610 break; 1611 1612 case SB_AGC: 1613 if (sc->sc_mixer_model != SBM_CT1745 || cp->type != AUDIO_MIXER_ENUM) 1614 return EINVAL; 1615 sbdsp_mix_write(sc, SB16P_AGC, cp->un.ord & 1); 1616 break; 1617 1618 default: 1619 return EINVAL; 1620 } 1621 1622 return 0; 1623 } 1624 1625 int 1626 sbdsp_mixer_get_port(addr, cp) 1627 void *addr; 1628 mixer_ctrl_t *cp; 1629 { 1630 struct sbdsp_softc *sc = addr; 1631 1632 DPRINTF(("sbdsp_mixer_get_port: port=%d\n", cp->dev)); 1633 1634 if (sc->sc_mixer_model == SBM_NONE) 1635 return EINVAL; 1636 1637 switch (cp->dev) { 1638 case SB_TREBLE: 1639 case SB_BASS: 1640 if (sc->sc_mixer_model == SBM_CT1345) { 1641 switch (cp->dev) { 1642 case SB_TREBLE: 1643 cp->un.ord = sbdsp_get_ifilter(addr) == SB_TREBLE; 1644 return 0; 1645 case SB_BASS: 1646 cp->un.ord = sbdsp_get_ifilter(addr) == SB_BASS; 1647 return 0; 1648 } 1649 } 1650 case SB_PCSPEAKER: 1651 case SB_INPUT_GAIN: 1652 case SB_OUTPUT_GAIN: 1653 if (sc->sc_mixer_model != SBM_CT1745) 1654 return EINVAL; 1655 case SB_MIC_VOL: 1656 case SB_LINE_IN_VOL: 1657 if (sc->sc_mixer_model == SBM_CT1335) 1658 return EINVAL; 1659 case SB_VOICE_VOL: 1660 case SB_MIDI_VOL: 1661 case SB_CD_VOL: 1662 case SB_MASTER_VOL: 1663 switch (cp->dev) { 1664 case SB_MIC_VOL: 1665 case SB_PCSPEAKER: 1666 if (cp->un.value.num_channels != 1) 1667 return EINVAL; 1668 /* fall into */ 1669 default: 1670 switch (cp->un.value.num_channels) { 1671 case 1: 1672 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1673 sc->gain[cp->dev][SB_LEFT]; 1674 break; 1675 case 2: 1676 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 1677 sc->gain[cp->dev][SB_LEFT]; 1678 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 1679 sc->gain[cp->dev][SB_RIGHT]; 1680 break; 1681 default: 1682 return EINVAL; 1683 } 1684 break; 1685 } 1686 break; 1687 1688 case SB_RECORD_SOURCE: 1689 if (sc->sc_mixer_model == SBM_CT1745) 1690 cp->un.mask = sc->in_mask; 1691 else 1692 cp->un.ord = sc->in_port; 1693 break; 1694 1695 case SB_AGC: 1696 if (sc->sc_mixer_model != SBM_CT1745) 1697 return EINVAL; 1698 cp->un.ord = sbdsp_mix_read(sc, SB16P_AGC); 1699 break; 1700 1701 default: 1702 return EINVAL; 1703 } 1704 1705 return 0; 1706 } 1707 1708 int 1709 sbdsp_mixer_query_devinfo(addr, dip) 1710 void *addr; 1711 mixer_devinfo_t *dip; 1712 { 1713 struct sbdsp_softc *sc = addr; 1714 int chan, class; 1715 1716 DPRINTF(("sbdsp_mixer_query_devinfo: model=%d index=%d\n", 1717 sc->sc_mixer_model, dip->index)); 1718 1719 if (sc->sc_mixer_model == SBM_NONE) 1720 return ENXIO; 1721 1722 chan = sc->sc_mixer_model == SBM_CT1335 ? 1 : 2; 1723 class = sc->sc_mixer_model == SBM_CT1745 ? SB_INPUT_CLASS : SB_OUTPUT_CLASS; 1724 1725 switch (dip->index) { 1726 case SB_MASTER_VOL: 1727 dip->type = AUDIO_MIXER_VALUE; 1728 dip->mixer_class = SB_OUTPUT_CLASS; 1729 dip->prev = dip->next = AUDIO_MIXER_LAST; 1730 strcpy(dip->label.name, AudioNmaster); 1731 dip->un.v.num_channels = chan; 1732 strcpy(dip->un.v.units.name, AudioNvolume); 1733 return 0; 1734 case SB_MIDI_VOL: 1735 dip->type = AUDIO_MIXER_VALUE; 1736 dip->mixer_class = class; 1737 dip->prev = AUDIO_MIXER_LAST; 1738 dip->next = AUDIO_MIXER_LAST; 1739 strcpy(dip->label.name, AudioNfmsynth); 1740 dip->un.v.num_channels = chan; 1741 strcpy(dip->un.v.units.name, AudioNvolume); 1742 return 0; 1743 case SB_CD_VOL: 1744 dip->type = AUDIO_MIXER_VALUE; 1745 dip->mixer_class = class; 1746 dip->prev = AUDIO_MIXER_LAST; 1747 dip->next = AUDIO_MIXER_LAST; 1748 strcpy(dip->label.name, AudioNcd); 1749 dip->un.v.num_channels = chan; 1750 strcpy(dip->un.v.units.name, AudioNvolume); 1751 return 0; 1752 case SB_VOICE_VOL: 1753 dip->type = AUDIO_MIXER_VALUE; 1754 dip->mixer_class = class; 1755 dip->prev = AUDIO_MIXER_LAST; 1756 dip->next = AUDIO_MIXER_LAST; 1757 strcpy(dip->label.name, AudioNdac); 1758 dip->un.v.num_channels = chan; 1759 strcpy(dip->un.v.units.name, AudioNvolume); 1760 return 0; 1761 case SB_OUTPUT_CLASS: 1762 dip->type = AUDIO_MIXER_CLASS; 1763 dip->mixer_class = SB_OUTPUT_CLASS; 1764 dip->next = dip->prev = AUDIO_MIXER_LAST; 1765 strcpy(dip->label.name, AudioCOutputs); 1766 return 0; 1767 } 1768 1769 if (sc->sc_mixer_model == SBM_CT1335) 1770 return ENXIO; 1771 1772 switch (dip->index) { 1773 case SB_MIC_VOL: 1774 dip->type = AUDIO_MIXER_VALUE; 1775 dip->mixer_class = class; 1776 dip->prev = AUDIO_MIXER_LAST; 1777 dip->next = AUDIO_MIXER_LAST; 1778 strcpy(dip->label.name, AudioNmicrophone); 1779 dip->un.v.num_channels = 1; 1780 strcpy(dip->un.v.units.name, AudioNvolume); 1781 return 0; 1782 1783 case SB_LINE_IN_VOL: 1784 dip->type = AUDIO_MIXER_VALUE; 1785 dip->mixer_class = class; 1786 dip->prev = AUDIO_MIXER_LAST; 1787 dip->next = AUDIO_MIXER_LAST; 1788 strcpy(dip->label.name, AudioNline); 1789 dip->un.v.num_channels = 2; 1790 strcpy(dip->un.v.units.name, AudioNvolume); 1791 return 0; 1792 1793 case SB_RECORD_SOURCE: 1794 dip->mixer_class = SB_RECORD_CLASS; 1795 dip->prev = dip->next = AUDIO_MIXER_LAST; 1796 strcpy(dip->label.name, AudioNsource); 1797 if (sc->sc_mixer_model == SBM_CT1745) { 1798 dip->type = AUDIO_MIXER_SET; 1799 dip->un.s.num_mem = 4; 1800 strcpy(dip->un.s.member[0].label.name, AudioNmicrophone); 1801 dip->un.s.member[0].mask = 1 << SB_MIC_VOL; 1802 strcpy(dip->un.s.member[1].label.name, AudioNcd); 1803 dip->un.s.member[1].mask = 1 << SB_CD_VOL; 1804 strcpy(dip->un.s.member[2].label.name, AudioNline); 1805 dip->un.s.member[2].mask = 1 << SB_LINE_IN_VOL; 1806 strcpy(dip->un.s.member[3].label.name, AudioNfmsynth); 1807 dip->un.s.member[3].mask = 1 << SB_MIDI_VOL; 1808 } else { 1809 dip->type = AUDIO_MIXER_ENUM; 1810 dip->un.e.num_mem = 3; 1811 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone); 1812 dip->un.e.member[0].ord = SB_MIC_VOL; 1813 strcpy(dip->un.e.member[1].label.name, AudioNcd); 1814 dip->un.e.member[1].ord = SB_CD_VOL; 1815 strcpy(dip->un.e.member[2].label.name, AudioNline); 1816 dip->un.e.member[2].ord = SB_LINE_IN_VOL; 1817 } 1818 return 0; 1819 1820 case SB_BASS: 1821 dip->prev = dip->next = AUDIO_MIXER_LAST; 1822 strcpy(dip->label.name, AudioNbass); 1823 if (sc->sc_mixer_model == SBM_CT1745) { 1824 dip->type = AUDIO_MIXER_VALUE; 1825 dip->mixer_class = SB_EQUALIZATION_CLASS; 1826 dip->un.v.num_channels = 2; 1827 strcpy(dip->un.v.units.name, AudioNbass); 1828 } else { 1829 dip->type = AUDIO_MIXER_ENUM; 1830 dip->mixer_class = SB_INPUT_CLASS; 1831 dip->un.e.num_mem = 2; 1832 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1833 dip->un.e.member[0].ord = 0; 1834 strcpy(dip->un.e.member[1].label.name, AudioNon); 1835 dip->un.e.member[1].ord = 1; 1836 } 1837 return 0; 1838 1839 case SB_TREBLE: 1840 dip->prev = dip->next = AUDIO_MIXER_LAST; 1841 strcpy(dip->label.name, AudioNtreble); 1842 if (sc->sc_mixer_model == SBM_CT1745) { 1843 dip->type = AUDIO_MIXER_VALUE; 1844 dip->mixer_class = SB_EQUALIZATION_CLASS; 1845 dip->un.v.num_channels = 2; 1846 strcpy(dip->un.v.units.name, AudioNtreble); 1847 } else { 1848 dip->type = AUDIO_MIXER_ENUM; 1849 dip->mixer_class = SB_INPUT_CLASS; 1850 dip->un.e.num_mem = 2; 1851 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1852 dip->un.e.member[0].ord = 0; 1853 strcpy(dip->un.e.member[1].label.name, AudioNon); 1854 dip->un.e.member[1].ord = 1; 1855 } 1856 return 0; 1857 1858 case SB_RECORD_CLASS: /* record source class */ 1859 dip->type = AUDIO_MIXER_CLASS; 1860 dip->mixer_class = SB_RECORD_CLASS; 1861 dip->next = dip->prev = AUDIO_MIXER_LAST; 1862 strcpy(dip->label.name, AudioCRecord); 1863 return 0; 1864 1865 } 1866 1867 if (sc->sc_mixer_model == SBM_CT1345) 1868 return ENXIO; 1869 1870 switch(dip->index) { 1871 case SB_PCSPEAKER: 1872 dip->type = AUDIO_MIXER_VALUE; 1873 dip->mixer_class = SB_INPUT_CLASS; 1874 dip->prev = dip->next = AUDIO_MIXER_LAST; 1875 strcpy(dip->label.name, "pc_speaker"); 1876 dip->un.v.num_channels = 1; 1877 strcpy(dip->un.v.units.name, AudioNvolume); 1878 return 0; 1879 1880 case SB_INPUT_GAIN: 1881 dip->type = AUDIO_MIXER_VALUE; 1882 dip->mixer_class = SB_INPUT_CLASS; 1883 dip->prev = dip->next = AUDIO_MIXER_LAST; 1884 strcpy(dip->label.name, AudioNinput); 1885 dip->un.v.num_channels = 2; 1886 strcpy(dip->un.v.units.name, AudioNvolume); 1887 return 0; 1888 1889 case SB_OUTPUT_GAIN: 1890 dip->type = AUDIO_MIXER_VALUE; 1891 dip->mixer_class = SB_OUTPUT_CLASS; 1892 dip->prev = dip->next = AUDIO_MIXER_LAST; 1893 strcpy(dip->label.name, AudioNoutput); 1894 dip->un.v.num_channels = 2; 1895 strcpy(dip->un.v.units.name, AudioNvolume); 1896 return 0; 1897 1898 case SB_AGC: 1899 dip->type = AUDIO_MIXER_ENUM; 1900 dip->mixer_class = SB_INPUT_CLASS; 1901 dip->prev = dip->next = AUDIO_MIXER_LAST; 1902 strcpy(dip->label.name, "AGC"); 1903 dip->un.e.num_mem = 2; 1904 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1905 dip->un.e.member[0].ord = 0; 1906 strcpy(dip->un.e.member[1].label.name, AudioNon); 1907 dip->un.e.member[1].ord = 1; 1908 return 0; 1909 1910 case SB_INPUT_CLASS: 1911 dip->type = AUDIO_MIXER_CLASS; 1912 dip->mixer_class = SB_INPUT_CLASS; 1913 dip->next = dip->prev = AUDIO_MIXER_LAST; 1914 strcpy(dip->label.name, AudioCInputs); 1915 return 0; 1916 1917 case SB_EQUALIZATION_CLASS: 1918 dip->type = AUDIO_MIXER_CLASS; 1919 dip->mixer_class = SB_EQUALIZATION_CLASS; 1920 dip->next = dip->prev = AUDIO_MIXER_LAST; 1921 strcpy(dip->label.name, AudioCEqualization); 1922 return 0; 1923 } 1924 1925 return ENXIO; 1926 } 1927
Indexes created Wed Sep 24 22:09:59 GMT 2025