sbdsp.c revision 1.55
1 /* $NetBSD: sbdsp.c,v 1.55 1997/05/28 00:07:49 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 model; 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 = ISSB16CLASS(sc) ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 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, AudioEalaw); 420 fp->encoding = AUDIO_ENCODING_ALAW; 421 fp->precision = 8; 422 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 423 return 0; 424 case 3: 425 strcpy(fp->name, AudioElinear); 426 fp->encoding = AUDIO_ENCODING_LINEAR; 427 fp->precision = 8; 428 fp->flags = emul; 429 return 0; 430 } 431 if (!ISSB16CLASS(sc) && sc->sc_model != SB_JAZZ) 432 return EINVAL; 433 434 switch(fp->index) { 435 case 4: 436 strcpy(fp->name, AudioElinear_le); 437 fp->encoding = AUDIO_ENCODING_LINEAR_LE; 438 fp->precision = 16; 439 fp->flags = 0; 440 return 0; 441 case 5: 442 strcpy(fp->name, AudioEulinear_le); 443 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 444 fp->precision = 16; 445 fp->flags = emul; 446 return 0; 447 case 6: 448 strcpy(fp->name, AudioElinear_be); 449 fp->encoding = AUDIO_ENCODING_LINEAR_BE; 450 fp->precision = 16; 451 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 452 return 0; 453 case 7: 454 strcpy(fp->name, AudioEulinear_be); 455 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 456 fp->precision = 16; 457 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 458 return 0; 459 default: 460 return EINVAL; 461 } 462 return 0; 463 } 464 465 int 466 sbdsp_set_params(addr, mode, p, q) 467 void *addr; 468 int mode; 469 struct audio_params *p, *q; 470 { 471 struct sbdsp_softc *sc = addr; 472 struct sbmode *m; 473 u_int rate, tc = 1, bmode = -1; 474 void (*swcode) __P((void *, u_char *buf, int cnt)); 475 476 for(m = mode == AUMODE_PLAY ? sbpmodes : sbrmodes; 477 m->model != -1; m++) { 478 if (sc->sc_model == m->model && 479 p->channels == m->channels && 480 p->precision == m->precision && 481 p->sample_rate >= m->lowrate && 482 p->sample_rate < m->highrate) 483 break; 484 } 485 if (m->model == -1) 486 return EINVAL; 487 rate = p->sample_rate; 488 swcode = 0; 489 if (m->model == SB_16) { 490 switch (p->encoding) { 491 case AUDIO_ENCODING_LINEAR_BE: 492 if (p->precision == 16) 493 swcode = swap_bytes; 494 /* fall into */ 495 case AUDIO_ENCODING_LINEAR_LE: 496 bmode = 0x10; 497 break; 498 case AUDIO_ENCODING_ULINEAR_BE: 499 if (p->precision == 16) 500 swcode = swap_bytes; 501 /* fall into */ 502 case AUDIO_ENCODING_ULINEAR_LE: 503 bmode = 0; 504 break; 505 case AUDIO_ENCODING_ULAW: 506 swcode = mode == AUMODE_PLAY ? 507 mulaw_to_ulinear8 : ulinear8_to_mulaw; 508 bmode = 0; 509 break; 510 case AUDIO_ENCODING_ALAW: 511 swcode = mode == AUMODE_PLAY ? 512 alaw_to_ulinear8 : ulinear8_to_alaw; 513 bmode = 0; 514 break; 515 default: 516 return EINVAL; 517 } 518 if (p->channels == 2) 519 bmode |= 0x20; 520 } else if (m->model == SB_JAZZ && m->precision == 16) { 521 switch (p->encoding) { 522 case AUDIO_ENCODING_LINEAR_LE: 523 break; 524 case AUDIO_ENCODING_ULINEAR_LE: 525 swcode = change_sign16; 526 break; 527 case AUDIO_ENCODING_LINEAR_BE: 528 swcode = swap_bytes; 529 break; 530 case AUDIO_ENCODING_ULINEAR_BE: 531 swcode = mode == AUMODE_PLAY ? 532 swap_bytes_change_sign16 : change_sign16_swap_bytes; 533 break; 534 case AUDIO_ENCODING_ULAW: 535 swcode = mode == AUMODE_PLAY ? 536 mulaw_to_ulinear8 : ulinear8_to_mulaw; 537 break; 538 case AUDIO_ENCODING_ALAW: 539 swcode = mode == AUMODE_PLAY ? 540 alaw_to_ulinear8 : ulinear8_to_alaw; 541 break; 542 default: 543 return EINVAL; 544 } 545 } else { 546 switch (p->encoding) { 547 case AUDIO_ENCODING_LINEAR_BE: 548 case AUDIO_ENCODING_LINEAR_LE: 549 swcode = change_sign8; 550 break; 551 case AUDIO_ENCODING_ULINEAR_BE: 552 case AUDIO_ENCODING_ULINEAR_LE: 553 break; 554 case AUDIO_ENCODING_ULAW: 555 swcode = mode == AUMODE_PLAY ? 556 mulaw_to_ulinear8 : ulinear8_to_mulaw; 557 break; 558 case AUDIO_ENCODING_ALAW: 559 swcode = mode == AUMODE_PLAY ? 560 alaw_to_ulinear8 : ulinear8_to_alaw; 561 break; 562 default: 563 return EINVAL; 564 } 565 tc = SB_RATE_TO_TC(p->sample_rate * p->channels); 566 p->sample_rate = SB_TC_TO_RATE(tc) / p->channels; 567 } 568 569 if (mode == AUMODE_PLAY) { 570 sc->sc_orate = rate; 571 sc->sc_otc = tc; 572 sc->sc_omodep = m; 573 sc->sc_obmode = bmode; 574 } else { 575 sc->sc_irate = rate; 576 sc->sc_itc = tc; 577 sc->sc_imodep = m; 578 sc->sc_ibmode = bmode; 579 } 580 581 p->sw_code = swcode; 582 583 /* Update setting for the other mode. */ 584 q->encoding = p->encoding; 585 q->channels = p->channels; 586 q->precision = p->precision; 587 588 /* 589 * XXX 590 * Should wait for chip to be idle. 591 */ 592 sc->sc_dmadir = SB_DMA_NONE; 593 594 DPRINTF(("set_params: model=%d, rate=%ld, prec=%d, chan=%d, enc=%d -> tc=%02x, cmd=%02x, bmode=%02x, cmdchan=%02x, swcode=%p\n", 595 sc->sc_model, p->sample_rate, p->precision, p->channels, 596 p->encoding, tc, m->cmd, bmode, m->cmdchan, swcode)); 597 598 return 0; 599 } 600 601 void 602 sbdsp_set_ifilter(addr, which) 603 void *addr; 604 int which; 605 { 606 struct sbdsp_softc *sc = addr; 607 int mixval; 608 609 mixval = sbdsp_mix_read(sc, SBP_INFILTER) & ~SBP_IFILTER_MASK; 610 switch (which) { 611 case 0: 612 mixval |= SBP_FILTER_OFF; 613 break; 614 case SB_TREBLE: 615 mixval |= SBP_FILTER_ON | SBP_IFILTER_HIGH; 616 break; 617 case SB_BASS: 618 mixval |= SBP_FILTER_ON | SBP_IFILTER_LOW; 619 break; 620 default: 621 return; 622 } 623 sc->in_filter = mixval & SBP_IFILTER_MASK; 624 sbdsp_mix_write(sc, SBP_INFILTER, mixval); 625 } 626 627 int 628 sbdsp_get_ifilter(addr) 629 void *addr; 630 { 631 struct sbdsp_softc *sc = addr; 632 633 sc->in_filter = 634 sbdsp_mix_read(sc, SBP_INFILTER) & SBP_IFILTER_MASK; 635 switch (sc->in_filter) { 636 case SBP_FILTER_ON|SBP_IFILTER_HIGH: 637 return SB_TREBLE; 638 case SBP_FILTER_ON|SBP_IFILTER_LOW: 639 return SB_BASS; 640 default: 641 return 0; 642 } 643 } 644 645 int 646 sbdsp_set_out_port(addr, port) 647 void *addr; 648 int port; 649 { 650 struct sbdsp_softc *sc = addr; 651 652 sc->out_port = port; /* Just record it */ 653 654 return 0; 655 } 656 657 int 658 sbdsp_get_out_port(addr) 659 void *addr; 660 { 661 struct sbdsp_softc *sc = addr; 662 663 return sc->out_port; 664 } 665 666 667 int 668 sbdsp_set_in_port(addr, port) 669 void *addr; 670 int port; 671 { 672 return sbdsp_set_in_ports(addr, 1 << port); 673 } 674 675 int 676 sbdsp_set_in_ports(sc, mask) 677 struct sbdsp_softc *sc; 678 int mask; 679 { 680 int bitsl, bitsr; 681 int sbport; 682 int i; 683 684 DPRINTF(("sbdsp_set_in_ports: model=%d, mask=%x\n", 685 sc->sc_mixer_model, mask)); 686 687 switch(sc->sc_mixer_model) { 688 case SBM_NONE: 689 return EINVAL; 690 case SBM_CT1335: 691 if (mask != (1 << SB_MIC_VOL)) 692 return EINVAL; 693 break; 694 case SBM_CT1345: 695 switch (mask) { 696 case 1 << SB_MIC_VOL: 697 sbport = SBP_FROM_MIC; 698 break; 699 case 1 << SB_LINE_IN_VOL: 700 sbport = SBP_FROM_LINE; 701 break; 702 case 1 << SB_CD_VOL: 703 sbport = SBP_FROM_CD; 704 break; 705 default: 706 return EINVAL; 707 } 708 sbdsp_mix_write(sc, SBP_RECORD_SOURCE, 709 SBP_RECORD_FROM(sbport, SBP_FILTER_OFF, SBP_IFILTER_HIGH)); 710 break; 711 case SBM_CT1745: 712 if (mask & ~((1<<SB_MIDI_VOL) | (1<<SB_LINE_IN_VOL) | 713 (1<<SB_CD_VOL) | (1<<SB_MIC_VOL))) 714 return EINVAL; 715 bitsr = 0; 716 if (mask & SB_MIDI_VOL) bitsr |= SBP_MIDI_SRC_R; 717 if (mask & SB_LINE_IN_VOL) bitsr |= SBP_LINE_SRC_R; 718 if (mask & SB_CD_VOL) bitsr |= SBP_CD_SRC_R; 719 bitsl = SB_SRC_R_TO_L(bitsr); 720 if (mask & SB_MIC_VOL) { 721 bitsl |= SBP_MIC_SRC; 722 bitsr |= SBP_MIC_SRC; 723 } 724 sbdsp_mix_write(sc, SBP_RECORD_SOURCE_L, bitsl); 725 sbdsp_mix_write(sc, SBP_RECORD_SOURCE_R, bitsr); 726 break; 727 } 728 729 sc->in_mask = mask; 730 731 /* XXX 732 * We have to fake a single port since the upper layer 733 * expects one. 734 */ 735 for(i = 0; i < SB_NPORT; i++) { 736 if (mask & (1 << i)) { 737 sc->in_port = i; 738 break; 739 } 740 } 741 return 0; 742 } 743 744 int 745 sbdsp_get_in_port(addr) 746 void *addr; 747 { 748 struct sbdsp_softc *sc = addr; 749 750 return sc->in_port; 751 } 752 753 754 int 755 sbdsp_speaker_ctl(addr, newstate) 756 void *addr; 757 int newstate; 758 { 759 struct sbdsp_softc *sc = addr; 760 761 if ((newstate == SPKR_ON) && 762 (sc->spkr_state == SPKR_OFF)) { 763 sbdsp_spkron(sc); 764 sc->spkr_state = SPKR_ON; 765 } 766 if ((newstate == SPKR_OFF) && 767 (sc->spkr_state == SPKR_ON)) { 768 sbdsp_spkroff(sc); 769 sc->spkr_state = SPKR_OFF; 770 } 771 return 0; 772 } 773 774 int 775 sbdsp_round_blocksize(addr, blk) 776 void *addr; 777 int blk; 778 { 779 if (blk > NBPG/3) 780 blk = NBPG/3; /* XXX allow at least 3 blocks */ 781 782 /* Round to a multiple of the biggest sample size. */ 783 blk &= -4; 784 785 return blk; 786 } 787 788 int 789 sbdsp_commit_settings(addr) 790 void *addr; 791 { 792 return 0; 793 } 794 795 int 796 sbdsp_open(sc, dev, flags) 797 struct sbdsp_softc *sc; 798 dev_t dev; 799 int flags; 800 { 801 DPRINTF(("sbdsp_open: sc=%p\n", sc)); 802 803 if (sc->sc_open != 0 || sbdsp_reset(sc) != 0) 804 return ENXIO; 805 806 sc->sc_open = 1; 807 sc->sc_mintr = 0; 808 if (ISSBPRO(sc) && 809 sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) { 810 DPRINTF(("sbdsp_open: can't set mono mode\n")); 811 /* we'll readjust when it's time for DMA. */ 812 } 813 814 /* 815 * Leave most things as they were; users must change things if 816 * the previous process didn't leave it they way they wanted. 817 * Looked at another way, it's easy to set up a configuration 818 * in one program and leave it for another to inherit. 819 */ 820 DPRINTF(("sbdsp_open: opened\n")); 821 822 return 0; 823 } 824 825 void 826 sbdsp_close(addr) 827 void *addr; 828 { 829 struct sbdsp_softc *sc = addr; 830 831 DPRINTF(("sbdsp_close: sc=%p\n", sc)); 832 833 sc->sc_open = 0; 834 sbdsp_spkroff(sc); 835 sc->spkr_state = SPKR_OFF; 836 sc->sc_intr = 0; 837 sc->sc_mintr = 0; 838 sbdsp_haltdma(sc); 839 840 DPRINTF(("sbdsp_close: closed\n")); 841 } 842 843 /* 844 * Lower-level routines 845 */ 846 847 /* 848 * Reset the card. 849 * Return non-zero if the card isn't detected. 850 */ 851 int 852 sbdsp_reset(sc) 853 struct sbdsp_softc *sc; 854 { 855 bus_space_tag_t iot = sc->sc_iot; 856 bus_space_handle_t ioh = sc->sc_ioh; 857 858 sc->sc_intr = 0; 859 if (sc->sc_dmadir != SB_DMA_NONE) { 860 isa_dmaabort(sc->dmachan); 861 sc->sc_dmadir = SB_DMA_NONE; 862 } 863 864 /* 865 * See SBK, section 11.3. 866 * We pulse a reset signal into the card. 867 * Gee, what a brilliant hardware design. 868 */ 869 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 1); 870 delay(10); 871 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 0); 872 delay(30); 873 if (sbdsp_rdsp(sc) != SB_MAGIC) 874 return -1; 875 876 return 0; 877 } 878 879 int 880 sbdsp16_wait(sc) 881 struct sbdsp_softc *sc; 882 { 883 bus_space_tag_t iot = sc->sc_iot; 884 bus_space_handle_t ioh = sc->sc_ioh; 885 int i; 886 u_char x; 887 888 for (i = SBDSP_NPOLL; --i >= 0; ) { 889 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 890 delay(10); 891 if ((x & SB_DSP_BUSY) == 0) 892 continue; 893 return 0; 894 } 895 ++sberr.wdsp; 896 return -1; 897 } 898 899 /* 900 * Write a byte to the dsp. 901 * XXX We are at the mercy of the card as we use a 902 * polling loop and wait until it can take the byte. 903 */ 904 int 905 sbdsp_wdsp(sc, v) 906 struct sbdsp_softc *sc; 907 int v; 908 { 909 bus_space_tag_t iot = sc->sc_iot; 910 bus_space_handle_t ioh = sc->sc_ioh; 911 int i; 912 u_char x; 913 914 for (i = SBDSP_NPOLL; --i >= 0; ) { 915 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 916 delay(10); 917 if ((x & SB_DSP_BUSY) != 0) 918 continue; 919 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, v); 920 delay(10); 921 return 0; 922 } 923 ++sberr.wdsp; 924 return -1; 925 } 926 927 /* 928 * Read a byte from the DSP, using polling. 929 */ 930 int 931 sbdsp_rdsp(sc) 932 struct sbdsp_softc *sc; 933 { 934 bus_space_tag_t iot = sc->sc_iot; 935 bus_space_handle_t ioh = sc->sc_ioh; 936 int i; 937 u_char x; 938 939 for (i = SBDSP_NPOLL; --i >= 0; ) { 940 x = bus_space_read_1(iot, ioh, SBP_DSP_RSTAT); 941 delay(10); 942 if ((x & SB_DSP_READY) == 0) 943 continue; 944 x = bus_space_read_1(iot, ioh, SBP_DSP_READ); 945 delay(10); 946 return x; 947 } 948 ++sberr.rdsp; 949 return -1; 950 } 951 952 /* 953 * Doing certain things (like toggling the speaker) make 954 * the SB hardware go away for a while, so pause a little. 955 */ 956 void 957 sbdsp_to(arg) 958 void *arg; 959 { 960 wakeup(arg); 961 } 962 963 void 964 sbdsp_pause(sc) 965 struct sbdsp_softc *sc; 966 { 967 extern int hz; 968 969 timeout(sbdsp_to, sbdsp_to, hz/8); 970 (void)tsleep(sbdsp_to, PWAIT, "sbpause", 0); 971 } 972 973 /* 974 * Turn on the speaker. The SBK documention says this operation 975 * can take up to 1/10 of a second. Higher level layers should 976 * probably let the task sleep for this amount of time after 977 * calling here. Otherwise, things might not work (because 978 * sbdsp_wdsp() and sbdsp_rdsp() will probably timeout.) 979 * 980 * These engineers had their heads up their ass when 981 * they designed this card. 982 */ 983 void 984 sbdsp_spkron(sc) 985 struct sbdsp_softc *sc; 986 { 987 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_ON); 988 sbdsp_pause(sc); 989 } 990 991 /* 992 * Turn off the speaker; see comment above. 993 */ 994 void 995 sbdsp_spkroff(sc) 996 struct sbdsp_softc *sc; 997 { 998 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_OFF); 999 sbdsp_pause(sc); 1000 } 1001 1002 /* 1003 * Read the version number out of the card. Return major code 1004 * in high byte, and minor code in low byte. 1005 */ 1006 void 1007 sbversion(sc) 1008 struct sbdsp_softc *sc; 1009 { 1010 int v; 1011 1012 sc->sc_model = SB_UNK; 1013 sc->sc_version = 0; 1014 if (sbdsp_wdsp(sc, SB_DSP_VERSION) < 0) 1015 return; 1016 v = sbdsp_rdsp(sc) << 8; 1017 v |= sbdsp_rdsp(sc); 1018 if (v < 0) 1019 return; 1020 sc->sc_version = v; 1021 switch(SBVER_MAJOR(v)) { 1022 case 1: 1023 sc->sc_mixer_model = SBM_NONE; 1024 sc->sc_model = SB_1; 1025 break; 1026 case 2: 1027 /* Some SB2 have a mixer, some don't. */ 1028 sbdsp_mix_write(sc, SBP_1335_MASTER_VOL, 0x04); 1029 sbdsp_mix_write(sc, SBP_1335_MIDI_VOL, 0x06); 1030 /* Check if we can read back the mixer values. */ 1031 if ((sbdsp_mix_read(sc, SBP_1335_MASTER_VOL) & 0x0e) == 0x04 && 1032 (sbdsp_mix_read(sc, SBP_1335_MIDI_VOL) & 0x0e) == 0x06) 1033 sc->sc_mixer_model = SBM_CT1335; 1034 else 1035 sc->sc_mixer_model = SBM_NONE; 1036 if (SBVER_MINOR(v) == 0) 1037 sc->sc_model = SB_20; 1038 else 1039 sc->sc_model = SB_2x; 1040 break; 1041 case 3: 1042 sc->sc_mixer_model = SBM_CT1345; 1043 sc->sc_model = SB_PRO; 1044 break; 1045 case 4: 1046 sc->sc_mixer_model = SBM_CT1745; 1047 sc->sc_model = SB_16; 1048 break; 1049 } 1050 } 1051 1052 /* 1053 * Halt a DMA in progress. A low-speed transfer can be 1054 * resumed with sbdsp_contdma(). 1055 */ 1056 int 1057 sbdsp_haltdma(addr) 1058 void *addr; 1059 { 1060 struct sbdsp_softc *sc = addr; 1061 1062 DPRINTF(("sbdsp_haltdma: sc=%p\n", sc)); 1063 1064 sbdsp_reset(sc); 1065 return 0; 1066 } 1067 1068 int 1069 sbdsp_contdma(addr) 1070 void *addr; 1071 { 1072 struct sbdsp_softc *sc = addr; 1073 1074 DPRINTF(("sbdsp_contdma: sc=%p\n", sc)); 1075 1076 /* XXX how do we reinitialize the DMA controller state? do we care? */ 1077 (void)sbdsp_wdsp(sc, SB_DSP_CONT); 1078 return 0; 1079 } 1080 1081 int 1082 sbdsp_set_timeconst(sc, tc) 1083 struct sbdsp_softc *sc; 1084 int tc; 1085 { 1086 DPRINTF(("sbdsp_set_timeconst: sc=%p tc=%d\n", sc, tc)); 1087 1088 if (sbdsp_wdsp(sc, SB_DSP_TIMECONST) < 0 || 1089 sbdsp_wdsp(sc, tc) < 0) 1090 return EIO; 1091 1092 return 0; 1093 } 1094 1095 int 1096 sbdsp16_set_rate(sc, cmd, rate) 1097 struct sbdsp_softc *sc; 1098 int cmd, rate; 1099 { 1100 DPRINTF(("sbdsp16_set_rate: sc=%p rate=%d\n", sc, rate)); 1101 1102 if (sbdsp_wdsp(sc, cmd) < 0 || 1103 sbdsp_wdsp(sc, rate >> 8) < 0 || 1104 sbdsp_wdsp(sc, rate) < 0) 1105 return EIO; 1106 return 0; 1107 } 1108 1109 int 1110 sbdsp_dma_input(addr, p, cc, intr, arg) 1111 void *addr; 1112 void *p; 1113 int cc; 1114 void (*intr) __P((void *)); 1115 void *arg; 1116 { 1117 struct sbdsp_softc *sc = addr; 1118 int loop = sc->sc_model != SB_1; 1119 int stereo = sc->sc_imodep->channels == 2; 1120 int filter; 1121 1122 #ifdef AUDIO_DEBUG 1123 if (sbdspdebug > 1) 1124 Dprintf("sbdsp_dma_input: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1125 #endif 1126 #ifdef DIAGNOSTIC 1127 if (sc->sc_imodep->channels == 2 && (cc & 1)) { 1128 DPRINTF(("stereo record odd bytes (%d)\n", cc)); 1129 return EIO; 1130 } 1131 #endif 1132 1133 if (sc->sc_dmadir != SB_DMA_IN) { 1134 if (ISSBPRO(sc)) { 1135 if (sbdsp_wdsp(sc, sc->sc_imodep->cmdchan) < 0) 1136 goto badmode; 1137 filter = stereo ? SBP_FILTER_OFF : sc->in_filter; 1138 sbdsp_mix_write(sc, SBP_INFILTER, 1139 (sbdsp_mix_read(sc, SBP_INFILTER) & 1140 ~SBP_IFILTER_MASK) | filter); 1141 } 1142 1143 if (ISSB16CLASS(sc)) { 1144 if (sbdsp16_set_rate(sc, SB_DSP16_INPUTRATE, 1145 sc->sc_irate)) 1146 goto giveup; 1147 } else { 1148 if (sbdsp_set_timeconst(sc, sc->sc_itc)) 1149 goto giveup; 1150 } 1151 1152 sc->sc_dmadir = SB_DMA_IN; 1153 sc->dmaflags = DMAMODE_READ; 1154 if (loop) 1155 sc->dmaflags |= DMAMODE_LOOP; 1156 } else { 1157 /* If already started; just return. */ 1158 if (loop) 1159 return 0; 1160 } 1161 1162 sc->dmaaddr = p; 1163 sc->dmacnt = loop ? (NBPG/cc)*cc : cc; 1164 sc->dmachan = sc->sc_imodep->precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 1165 #ifdef AUDIO_DEBUG 1166 if (sbdspdebug > 1) 1167 Dprintf("sbdsp_dma_input: dmastart %x %p %d %d\n", 1168 sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->dmachan); 1169 #endif 1170 isa_dmastart(sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->dmachan); 1171 sc->sc_intr = intr; 1172 sc->sc_arg = arg; 1173 1174 if (sc->sc_imodep->precision == 16) 1175 cc >>= 1; 1176 --cc; 1177 if (ISSB16CLASS(sc)) { 1178 if (sbdsp_wdsp(sc, sc->sc_imodep->cmd) < 0 || 1179 sbdsp_wdsp(sc, sc->sc_ibmode) < 0 || 1180 sbdsp16_wait(sc) || 1181 sbdsp_wdsp(sc, cc) < 0 || 1182 sbdsp_wdsp(sc, cc >> 8) < 0) { 1183 DPRINTF(("sbdsp_dma_input: SB16 DMA start failed\n")); 1184 goto giveup; 1185 } 1186 } else { 1187 if (loop) { 1188 DPRINTF(("sbdsp_dma_input: set blocksize=%d\n", cc)); 1189 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1190 sbdsp_wdsp(sc, cc) < 0 || 1191 sbdsp_wdsp(sc, cc >> 8) < 0) { 1192 DPRINTF(("sbdsp_dma_input: SB2 DMA start failed\n")); 1193 goto giveup; 1194 } 1195 if (sbdsp_wdsp(sc, sc->sc_imodep->cmd) < 0) { 1196 DPRINTF(("sbdsp_dma_input: SB2 DMA restart failed\n")); 1197 goto giveup; 1198 } 1199 } else { 1200 if (sbdsp_wdsp(sc, sc->sc_imodep->cmd) < 0 || 1201 sbdsp_wdsp(sc, cc) < 0 || 1202 sbdsp_wdsp(sc, cc >> 8) < 0) { 1203 DPRINTF(("sbdsp_dma_input: SB1 DMA start failed\n")); 1204 goto giveup; 1205 } 1206 } 1207 } 1208 return 0; 1209 1210 giveup: 1211 sbdsp_reset(sc); 1212 return EIO; 1213 1214 badmode: 1215 DPRINTF(("sbdsp_dma_input: can't set mode\n")); 1216 return EIO; 1217 } 1218 1219 int 1220 sbdsp_dma_output(addr, p, cc, intr, arg) 1221 void *addr; 1222 void *p; 1223 int cc; 1224 void (*intr) __P((void *)); 1225 void *arg; 1226 { 1227 struct sbdsp_softc *sc = addr; 1228 int loop = sc->sc_model != SB_1; 1229 int stereo = sc->sc_omodep->channels == 2; 1230 int cmd; 1231 1232 #ifdef AUDIO_DEBUG 1233 if (sbdspdebug > 1) 1234 Dprintf("sbdsp_dma_output: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1235 #endif 1236 #ifdef DIAGNOSTIC 1237 if (sc->sc_omodep->channels == 2 && (cc & 1)) { 1238 DPRINTF(("stereo playback odd bytes (%d)\n", cc)); 1239 return EIO; 1240 } 1241 #endif 1242 1243 if (sc->sc_dmadir != SB_DMA_OUT) { 1244 if (ISSBPRO(sc)) { 1245 /* make sure we re-set stereo mixer bit when we start 1246 output. */ 1247 sbdsp_mix_write(sc, SBP_STEREO, 1248 (sbdsp_mix_read(sc, SBP_STEREO) & ~SBP_PLAYMODE_MASK) | 1249 (stereo ? SBP_PLAYMODE_STEREO : SBP_PLAYMODE_MONO)); 1250 cmd = sc->sc_omodep->cmdchan; 1251 if (cmd && sbdsp_wdsp(sc, cmd) < 0) 1252 goto badmode; 1253 } 1254 1255 if (ISSB16CLASS(sc)) { 1256 if (sbdsp16_set_rate(sc, SB_DSP16_OUTPUTRATE, 1257 sc->sc_orate)) 1258 goto giveup; 1259 } else { 1260 if (sbdsp_set_timeconst(sc, sc->sc_otc)) 1261 goto giveup; 1262 } 1263 1264 sc->sc_dmadir = SB_DMA_OUT; 1265 sc->dmaflags = DMAMODE_WRITE; 1266 if (loop) 1267 sc->dmaflags |= DMAMODE_LOOP; 1268 } else { 1269 /* Already started; just return. */ 1270 if (loop) 1271 return 0; 1272 } 1273 1274 sc->dmaaddr = p; 1275 sc->dmacnt = loop ? (NBPG/cc)*cc : cc; 1276 sc->dmachan = sc->sc_omodep->precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 1277 #ifdef AUDIO_DEBUG 1278 if (sbdspdebug > 1) 1279 Dprintf("sbdsp_dma_output: dmastart %x %p %d %d\n", 1280 sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->dmachan); 1281 #endif 1282 isa_dmastart(sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->dmachan); 1283 sc->sc_intr = intr; 1284 sc->sc_arg = arg; 1285 1286 if (sc->sc_omodep->precision == 16) 1287 cc >>= 1; 1288 --cc; 1289 if (ISSB16CLASS(sc)) { 1290 if (sbdsp_wdsp(sc, sc->sc_omodep->cmd) < 0 || 1291 sbdsp_wdsp(sc, sc->sc_obmode) < 0 || 1292 sbdsp16_wait(sc) || 1293 sbdsp_wdsp(sc, cc) < 0 || 1294 sbdsp_wdsp(sc, cc >> 8) < 0) { 1295 DPRINTF(("sbdsp_dma_output: SB16 DMA start failed\n")); 1296 goto giveup; 1297 } 1298 } else { 1299 if (loop) { 1300 DPRINTF(("sbdsp_dma_output: set blocksize=%d\n", cc)); 1301 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1302 sbdsp_wdsp(sc, cc) < 0 || 1303 sbdsp_wdsp(sc, cc >> 8) < 0) { 1304 DPRINTF(("sbdsp_dma_output: SB2 DMA blocksize failed\n")); 1305 goto giveup; 1306 } 1307 if (sbdsp_wdsp(sc, sc->sc_omodep->cmd) < 0) { 1308 DPRINTF(("sbdsp_dma_output: SB2 DMA start failed\n")); 1309 goto giveup; 1310 } 1311 } else { 1312 if (sbdsp_wdsp(sc, sc->sc_omodep->cmd) < 0 || 1313 sbdsp_wdsp(sc, cc) < 0 || 1314 sbdsp_wdsp(sc, cc >> 8) < 0) { 1315 DPRINTF(("sbdsp_dma_output: SB1 DMA start failed\n")); 1316 goto giveup; 1317 } 1318 } 1319 } 1320 return 0; 1321 1322 giveup: 1323 sbdsp_reset(sc); 1324 return EIO; 1325 1326 badmode: 1327 DPRINTF(("sbdsp_dma_output: can't set mode\n")); 1328 return EIO; 1329 } 1330 1331 /* 1332 * Only the DSP unit on the sound blaster generates interrupts. 1333 * There are three cases of interrupt: reception of a midi byte 1334 * (when mode is enabled), completion of dma transmission, or 1335 * completion of a dma reception. The three modes are mutually 1336 * exclusive so we know a priori which event has occurred. 1337 */ 1338 int 1339 sbdsp_intr(arg) 1340 void *arg; 1341 { 1342 struct sbdsp_softc *sc = arg; 1343 int loop = sc->sc_model != SB_1; 1344 u_char irq; 1345 1346 #ifdef AUDIO_DEBUG 1347 if (sbdspdebug > 1) 1348 Dprintf("sbdsp_intr: intr=0x%x\n", sc->sc_intr); 1349 #endif 1350 if (ISSB16CLASS(sc)) { 1351 irq = sbdsp_mix_read(sc, SBP_IRQ_STATUS); 1352 if ((irq & (SBP_IRQ_DMA8 | SBP_IRQ_DMA16)) == 0) 1353 return 0; 1354 } else { 1355 if (!loop && !isa_dmafinished(sc->dmachan)) 1356 return 0; 1357 irq = SBP_IRQ_DMA8; 1358 } 1359 sc->sc_interrupts++; 1360 delay(10); /* XXX why? */ 1361 #if 0 1362 if (sc->sc_mintr != 0) { 1363 x = sbdsp_rdsp(sc); 1364 (*sc->sc_mintr)(sc->sc_arg, x); 1365 } else 1366 #endif 1367 if (sc->sc_intr != 0) { 1368 /* clear interrupt */ 1369 if (irq & SBP_IRQ_DMA8) 1370 bus_space_read_1(sc->sc_iot, sc->sc_ioh, SBP_DSP_IRQACK8); 1371 if (irq & SBP_IRQ_DMA16) 1372 bus_space_read_1(sc->sc_iot, sc->sc_ioh, SBP_DSP_IRQACK16); 1373 if (!loop) 1374 isa_dmadone(sc->dmaflags, sc->dmaaddr, sc->dmacnt, 1375 sc->dmachan); 1376 (*sc->sc_intr)(sc->sc_arg); 1377 } else { 1378 return 0; 1379 } 1380 return 1; 1381 } 1382 1383 #if 0 1384 /* 1385 * Enter midi uart mode and arrange for read interrupts 1386 * to vector to `intr'. This puts the card in a mode 1387 * which allows only midi I/O; the card must be reset 1388 * to leave this mode. Unfortunately, the card does not 1389 * use transmit interrupts, so bytes must be output 1390 * using polling. To keep the polling overhead to a 1391 * minimum, output should be driven off a timer. 1392 * This is a little tricky since only 320us separate 1393 * consecutive midi bytes. 1394 */ 1395 void 1396 sbdsp_set_midi_mode(sc, intr, arg) 1397 struct sbdsp_softc *sc; 1398 void (*intr)(); 1399 void *arg; 1400 { 1401 1402 sbdsp_wdsp(sc, SB_MIDI_UART_INTR); 1403 sc->sc_mintr = intr; 1404 sc->sc_intr = 0; 1405 sc->sc_arg = arg; 1406 } 1407 1408 /* 1409 * Write a byte to the midi port, when in midi uart mode. 1410 */ 1411 void 1412 sbdsp_midi_output(sc, v) 1413 struct sbdsp_softc *sc; 1414 int v; 1415 { 1416 1417 if (sbdsp_wdsp(sc, v) < 0) 1418 ++sberr.wmidi; 1419 } 1420 #endif 1421 1422 int 1423 sbdsp_setfd(addr, flag) 1424 void *addr; 1425 int flag; 1426 { 1427 /* Can't do full-duplex */ 1428 return ENOTTY; 1429 } 1430 1431 void 1432 sbdsp_set_mixer_gain(sc, port) 1433 struct sbdsp_softc *sc; 1434 int port; 1435 { 1436 int src, gain; 1437 1438 switch(sc->sc_mixer_model) { 1439 case SBM_NONE: 1440 return; 1441 case SBM_CT1335: 1442 gain = SB_1335_GAIN(sc->gain[port][SB_LEFT]); 1443 switch(port) { 1444 case SB_MASTER_VOL: 1445 src = SBP_1335_MASTER_VOL; 1446 break; 1447 case SB_MIDI_VOL: 1448 src = SBP_1335_MIDI_VOL; 1449 break; 1450 case SB_CD_VOL: 1451 src = SBP_1335_CD_VOL; 1452 break; 1453 case SB_VOICE_VOL: 1454 src = SBP_1335_VOICE_VOL; 1455 gain = SB_1335_MASTER_GAIN(sc->gain[port][SB_LEFT]); 1456 break; 1457 default: 1458 return; 1459 } 1460 sbdsp_mix_write(sc, src, gain); 1461 break; 1462 case SBM_CT1345: 1463 gain = SB_STEREO_GAIN(sc->gain[port][SB_LEFT], 1464 sc->gain[port][SB_RIGHT]); 1465 switch (port) { 1466 case SB_MIC_VOL: 1467 src = SBP_MIC_VOL; 1468 gain = SB_MIC_GAIN(sc->gain[port][SB_LEFT]); 1469 break; 1470 case SB_MASTER_VOL: 1471 src = SBP_MASTER_VOL; 1472 break; 1473 case SB_LINE_IN_VOL: 1474 src = SBP_LINE_VOL; 1475 break; 1476 case SB_VOICE_VOL: 1477 src = SBP_VOICE_VOL; 1478 break; 1479 case SB_MIDI_VOL: 1480 src = SBP_MIDI_VOL; 1481 break; 1482 case SB_CD_VOL: 1483 src = SBP_CD_VOL; 1484 break; 1485 default: 1486 return; 1487 } 1488 sbdsp_mix_write(sc, src, gain); 1489 break; 1490 case SBM_CT1745: 1491 switch (port) { 1492 case SB_MIC_VOL: 1493 src = SB16P_MIC_L; 1494 break; 1495 case SB_MASTER_VOL: 1496 src = SB16P_MASTER_L; 1497 break; 1498 case SB_LINE_IN_VOL: 1499 src = SB16P_LINE_L; 1500 break; 1501 case SB_VOICE_VOL: 1502 src = SB16P_VOICE_L; 1503 break; 1504 case SB_MIDI_VOL: 1505 src = SB16P_MIDI_L; 1506 break; 1507 case SB_CD_VOL: 1508 src = SB16P_CD_L; 1509 break; 1510 case SB_INPUT_GAIN: 1511 src = SB16P_INPUT_GAIN_L; 1512 break; 1513 case SB_OUTPUT_GAIN: 1514 src = SB16P_OUTPUT_GAIN_L; 1515 break; 1516 case SB_TREBLE: 1517 src = SB16P_TREBLE_L; 1518 break; 1519 case SB_BASS: 1520 src = SB16P_BASS_L; 1521 break; 1522 case SB_PCSPEAKER: 1523 sbdsp_mix_write(sc, SB16P_PCSPEAKER, sc->gain[port][SB_LEFT]); 1524 return; 1525 default: 1526 return; 1527 } 1528 sbdsp_mix_write(sc, src, sc->gain[port][SB_LEFT]); 1529 sbdsp_mix_write(sc, SB16P_L_TO_R(src), sc->gain[port][SB_RIGHT]); 1530 break; 1531 } 1532 } 1533 1534 int 1535 sbdsp_mixer_set_port(addr, cp) 1536 void *addr; 1537 mixer_ctrl_t *cp; 1538 { 1539 struct sbdsp_softc *sc = addr; 1540 int lgain, rgain; 1541 1542 DPRINTF(("sbdsp_mixer_set_port: port=%d num_channels=%d\n", cp->dev, 1543 cp->un.value.num_channels)); 1544 1545 if (sc->sc_mixer_model == SBM_NONE) 1546 return EINVAL; 1547 1548 switch (cp->dev) { 1549 case SB_TREBLE: 1550 case SB_BASS: 1551 if (sc->sc_mixer_model == SBM_CT1345) { 1552 if (cp->type != AUDIO_MIXER_ENUM) 1553 return EINVAL; 1554 switch (cp->dev) { 1555 case SB_TREBLE: 1556 sbdsp_set_ifilter(addr, cp->un.ord ? SB_TREBLE : 0); 1557 return 0; 1558 case SB_BASS: 1559 sbdsp_set_ifilter(addr, cp->un.ord ? SB_BASS : 0); 1560 return 0; 1561 } 1562 } 1563 case SB_PCSPEAKER: 1564 case SB_INPUT_GAIN: 1565 case SB_OUTPUT_GAIN: 1566 if (sc->sc_mixer_model != SBM_CT1745) 1567 return EINVAL; 1568 case SB_MIC_VOL: 1569 case SB_LINE_IN_VOL: 1570 if (sc->sc_mixer_model == SBM_CT1335) 1571 return EINVAL; 1572 case SB_VOICE_VOL: 1573 case SB_MIDI_VOL: 1574 case SB_CD_VOL: 1575 case SB_MASTER_VOL: 1576 if (cp->type != AUDIO_MIXER_VALUE) 1577 return EINVAL; 1578 1579 /* 1580 * All the mixer ports are stereo except for the microphone. 1581 * If we get a single-channel gain value passed in, then we 1582 * duplicate it to both left and right channels. 1583 */ 1584 1585 switch (cp->dev) { 1586 case SB_MIC_VOL: 1587 if (cp->un.value.num_channels != 1) 1588 return EINVAL; 1589 1590 lgain = rgain = SB_ADJUST_MIC_GAIN(sc, 1591 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1592 break; 1593 case SB_PCSPEAKER: 1594 if (cp->un.value.num_channels != 1) 1595 return EINVAL; 1596 /* fall into */ 1597 case SB_INPUT_GAIN: 1598 case SB_OUTPUT_GAIN: 1599 lgain = rgain = SB_ADJUST_2_GAIN(sc, 1600 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1601 break; 1602 default: 1603 switch (cp->un.value.num_channels) { 1604 case 1: 1605 lgain = rgain = SB_ADJUST_GAIN(sc, 1606 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1607 break; 1608 case 2: 1609 if (sc->sc_mixer_model == SBM_CT1335) 1610 return EINVAL; 1611 lgain = SB_ADJUST_GAIN(sc, 1612 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]); 1613 rgain = SB_ADJUST_GAIN(sc, 1614 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]); 1615 break; 1616 default: 1617 return EINVAL; 1618 } 1619 break; 1620 } 1621 sc->gain[cp->dev][SB_LEFT] = lgain; 1622 sc->gain[cp->dev][SB_RIGHT] = rgain; 1623 1624 sbdsp_set_mixer_gain(sc, cp->dev); 1625 break; 1626 1627 case SB_RECORD_SOURCE: 1628 if (sc->sc_mixer_model == SBM_CT1745) { 1629 if (cp->type != AUDIO_MIXER_SET) 1630 return EINVAL; 1631 return sbdsp_set_in_ports(sc, cp->un.mask); 1632 } else { 1633 if (cp->type != AUDIO_MIXER_ENUM) 1634 return EINVAL; 1635 return sbdsp_set_in_port(sc, cp->un.ord); 1636 } 1637 break; 1638 1639 case SB_AGC: 1640 if (sc->sc_mixer_model != SBM_CT1745 || cp->type != AUDIO_MIXER_ENUM) 1641 return EINVAL; 1642 sbdsp_mix_write(sc, SB16P_AGC, cp->un.ord & 1); 1643 break; 1644 1645 default: 1646 return EINVAL; 1647 } 1648 1649 return 0; 1650 } 1651 1652 int 1653 sbdsp_mixer_get_port(addr, cp) 1654 void *addr; 1655 mixer_ctrl_t *cp; 1656 { 1657 struct sbdsp_softc *sc = addr; 1658 1659 DPRINTF(("sbdsp_mixer_get_port: port=%d\n", cp->dev)); 1660 1661 if (sc->sc_mixer_model == SBM_NONE) 1662 return EINVAL; 1663 1664 switch (cp->dev) { 1665 case SB_TREBLE: 1666 case SB_BASS: 1667 if (sc->sc_mixer_model == SBM_CT1345) { 1668 switch (cp->dev) { 1669 case SB_TREBLE: 1670 cp->un.ord = sbdsp_get_ifilter(addr) == SB_TREBLE; 1671 return 0; 1672 case SB_BASS: 1673 cp->un.ord = sbdsp_get_ifilter(addr) == SB_BASS; 1674 return 0; 1675 } 1676 } 1677 case SB_PCSPEAKER: 1678 case SB_INPUT_GAIN: 1679 case SB_OUTPUT_GAIN: 1680 if (sc->sc_mixer_model != SBM_CT1745) 1681 return EINVAL; 1682 case SB_MIC_VOL: 1683 case SB_LINE_IN_VOL: 1684 if (sc->sc_mixer_model == SBM_CT1335) 1685 return EINVAL; 1686 case SB_VOICE_VOL: 1687 case SB_MIDI_VOL: 1688 case SB_CD_VOL: 1689 case SB_MASTER_VOL: 1690 switch (cp->dev) { 1691 case SB_MIC_VOL: 1692 case SB_PCSPEAKER: 1693 if (cp->un.value.num_channels != 1) 1694 return EINVAL; 1695 /* fall into */ 1696 default: 1697 switch (cp->un.value.num_channels) { 1698 case 1: 1699 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1700 sc->gain[cp->dev][SB_LEFT]; 1701 break; 1702 case 2: 1703 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 1704 sc->gain[cp->dev][SB_LEFT]; 1705 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 1706 sc->gain[cp->dev][SB_RIGHT]; 1707 break; 1708 default: 1709 return EINVAL; 1710 } 1711 break; 1712 } 1713 break; 1714 1715 case SB_RECORD_SOURCE: 1716 if (sc->sc_mixer_model == SBM_CT1745) 1717 cp->un.mask = sc->in_mask; 1718 else 1719 cp->un.ord = sc->in_port; 1720 break; 1721 1722 case SB_AGC: 1723 if (sc->sc_mixer_model != SBM_CT1745) 1724 return EINVAL; 1725 cp->un.ord = sbdsp_mix_read(sc, SB16P_AGC); 1726 break; 1727 1728 default: 1729 return EINVAL; 1730 } 1731 1732 return 0; 1733 } 1734 1735 int 1736 sbdsp_mixer_query_devinfo(addr, dip) 1737 void *addr; 1738 mixer_devinfo_t *dip; 1739 { 1740 struct sbdsp_softc *sc = addr; 1741 int chan, class; 1742 1743 DPRINTF(("sbdsp_mixer_query_devinfo: model=%d index=%d\n", 1744 sc->sc_mixer_model, dip->index)); 1745 1746 if (sc->sc_mixer_model == SBM_NONE) 1747 return ENXIO; 1748 1749 chan = sc->sc_mixer_model == SBM_CT1335 ? 1 : 2; 1750 class = sc->sc_mixer_model == SBM_CT1745 ? SB_INPUT_CLASS : SB_OUTPUT_CLASS; 1751 1752 switch (dip->index) { 1753 case SB_MASTER_VOL: 1754 dip->type = AUDIO_MIXER_VALUE; 1755 dip->mixer_class = SB_OUTPUT_CLASS; 1756 dip->prev = dip->next = AUDIO_MIXER_LAST; 1757 strcpy(dip->label.name, AudioNmaster); 1758 dip->un.v.num_channels = chan; 1759 strcpy(dip->un.v.units.name, AudioNvolume); 1760 return 0; 1761 case SB_MIDI_VOL: 1762 dip->type = AUDIO_MIXER_VALUE; 1763 dip->mixer_class = class; 1764 dip->prev = AUDIO_MIXER_LAST; 1765 dip->next = AUDIO_MIXER_LAST; 1766 strcpy(dip->label.name, AudioNfmsynth); 1767 dip->un.v.num_channels = chan; 1768 strcpy(dip->un.v.units.name, AudioNvolume); 1769 return 0; 1770 case SB_CD_VOL: 1771 dip->type = AUDIO_MIXER_VALUE; 1772 dip->mixer_class = class; 1773 dip->prev = AUDIO_MIXER_LAST; 1774 dip->next = AUDIO_MIXER_LAST; 1775 strcpy(dip->label.name, AudioNcd); 1776 dip->un.v.num_channels = chan; 1777 strcpy(dip->un.v.units.name, AudioNvolume); 1778 return 0; 1779 case SB_VOICE_VOL: 1780 dip->type = AUDIO_MIXER_VALUE; 1781 dip->mixer_class = class; 1782 dip->prev = AUDIO_MIXER_LAST; 1783 dip->next = AUDIO_MIXER_LAST; 1784 strcpy(dip->label.name, AudioNdac); 1785 dip->un.v.num_channels = chan; 1786 strcpy(dip->un.v.units.name, AudioNvolume); 1787 return 0; 1788 case SB_OUTPUT_CLASS: 1789 dip->type = AUDIO_MIXER_CLASS; 1790 dip->mixer_class = SB_OUTPUT_CLASS; 1791 dip->next = dip->prev = AUDIO_MIXER_LAST; 1792 strcpy(dip->label.name, AudioCOutputs); 1793 return 0; 1794 } 1795 1796 if (sc->sc_mixer_model == SBM_CT1335) 1797 return ENXIO; 1798 1799 switch (dip->index) { 1800 case SB_MIC_VOL: 1801 dip->type = AUDIO_MIXER_VALUE; 1802 dip->mixer_class = class; 1803 dip->prev = AUDIO_MIXER_LAST; 1804 dip->next = AUDIO_MIXER_LAST; 1805 strcpy(dip->label.name, AudioNmicrophone); 1806 dip->un.v.num_channels = 1; 1807 strcpy(dip->un.v.units.name, AudioNvolume); 1808 return 0; 1809 1810 case SB_LINE_IN_VOL: 1811 dip->type = AUDIO_MIXER_VALUE; 1812 dip->mixer_class = class; 1813 dip->prev = AUDIO_MIXER_LAST; 1814 dip->next = AUDIO_MIXER_LAST; 1815 strcpy(dip->label.name, AudioNline); 1816 dip->un.v.num_channels = 2; 1817 strcpy(dip->un.v.units.name, AudioNvolume); 1818 return 0; 1819 1820 case SB_RECORD_SOURCE: 1821 dip->mixer_class = SB_RECORD_CLASS; 1822 dip->prev = dip->next = AUDIO_MIXER_LAST; 1823 strcpy(dip->label.name, AudioNsource); 1824 if (sc->sc_mixer_model == SBM_CT1745) { 1825 dip->type = AUDIO_MIXER_SET; 1826 dip->un.s.num_mem = 4; 1827 strcpy(dip->un.s.member[0].label.name, AudioNmicrophone); 1828 dip->un.s.member[0].mask = 1 << SB_MIC_VOL; 1829 strcpy(dip->un.s.member[1].label.name, AudioNcd); 1830 dip->un.s.member[1].mask = 1 << SB_CD_VOL; 1831 strcpy(dip->un.s.member[2].label.name, AudioNline); 1832 dip->un.s.member[2].mask = 1 << SB_LINE_IN_VOL; 1833 strcpy(dip->un.s.member[3].label.name, AudioNfmsynth); 1834 dip->un.s.member[3].mask = 1 << SB_MIDI_VOL; 1835 } else { 1836 dip->type = AUDIO_MIXER_ENUM; 1837 dip->un.e.num_mem = 3; 1838 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone); 1839 dip->un.e.member[0].ord = SB_MIC_VOL; 1840 strcpy(dip->un.e.member[1].label.name, AudioNcd); 1841 dip->un.e.member[1].ord = SB_CD_VOL; 1842 strcpy(dip->un.e.member[2].label.name, AudioNline); 1843 dip->un.e.member[2].ord = SB_LINE_IN_VOL; 1844 } 1845 return 0; 1846 1847 case SB_BASS: 1848 dip->prev = dip->next = AUDIO_MIXER_LAST; 1849 strcpy(dip->label.name, AudioNbass); 1850 if (sc->sc_mixer_model == SBM_CT1745) { 1851 dip->type = AUDIO_MIXER_VALUE; 1852 dip->mixer_class = SB_EQUALIZATION_CLASS; 1853 dip->un.v.num_channels = 2; 1854 strcpy(dip->un.v.units.name, AudioNbass); 1855 } else { 1856 dip->type = AUDIO_MIXER_ENUM; 1857 dip->mixer_class = SB_INPUT_CLASS; 1858 dip->un.e.num_mem = 2; 1859 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1860 dip->un.e.member[0].ord = 0; 1861 strcpy(dip->un.e.member[1].label.name, AudioNon); 1862 dip->un.e.member[1].ord = 1; 1863 } 1864 return 0; 1865 1866 case SB_TREBLE: 1867 dip->prev = dip->next = AUDIO_MIXER_LAST; 1868 strcpy(dip->label.name, AudioNtreble); 1869 if (sc->sc_mixer_model == SBM_CT1745) { 1870 dip->type = AUDIO_MIXER_VALUE; 1871 dip->mixer_class = SB_EQUALIZATION_CLASS; 1872 dip->un.v.num_channels = 2; 1873 strcpy(dip->un.v.units.name, AudioNtreble); 1874 } else { 1875 dip->type = AUDIO_MIXER_ENUM; 1876 dip->mixer_class = SB_INPUT_CLASS; 1877 dip->un.e.num_mem = 2; 1878 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1879 dip->un.e.member[0].ord = 0; 1880 strcpy(dip->un.e.member[1].label.name, AudioNon); 1881 dip->un.e.member[1].ord = 1; 1882 } 1883 return 0; 1884 1885 case SB_RECORD_CLASS: /* record source class */ 1886 dip->type = AUDIO_MIXER_CLASS; 1887 dip->mixer_class = SB_RECORD_CLASS; 1888 dip->next = dip->prev = AUDIO_MIXER_LAST; 1889 strcpy(dip->label.name, AudioCRecord); 1890 return 0; 1891 1892 } 1893 1894 if (sc->sc_mixer_model == SBM_CT1345) 1895 return ENXIO; 1896 1897 switch(dip->index) { 1898 case SB_PCSPEAKER: 1899 dip->type = AUDIO_MIXER_VALUE; 1900 dip->mixer_class = SB_INPUT_CLASS; 1901 dip->prev = dip->next = AUDIO_MIXER_LAST; 1902 strcpy(dip->label.name, "pc_speaker"); 1903 dip->un.v.num_channels = 1; 1904 strcpy(dip->un.v.units.name, AudioNvolume); 1905 return 0; 1906 1907 case SB_INPUT_GAIN: 1908 dip->type = AUDIO_MIXER_VALUE; 1909 dip->mixer_class = SB_INPUT_CLASS; 1910 dip->prev = dip->next = AUDIO_MIXER_LAST; 1911 strcpy(dip->label.name, AudioNinput); 1912 dip->un.v.num_channels = 2; 1913 strcpy(dip->un.v.units.name, AudioNvolume); 1914 return 0; 1915 1916 case SB_OUTPUT_GAIN: 1917 dip->type = AUDIO_MIXER_VALUE; 1918 dip->mixer_class = SB_OUTPUT_CLASS; 1919 dip->prev = dip->next = AUDIO_MIXER_LAST; 1920 strcpy(dip->label.name, AudioNoutput); 1921 dip->un.v.num_channels = 2; 1922 strcpy(dip->un.v.units.name, AudioNvolume); 1923 return 0; 1924 1925 case SB_AGC: 1926 dip->type = AUDIO_MIXER_ENUM; 1927 dip->mixer_class = SB_INPUT_CLASS; 1928 dip->prev = dip->next = AUDIO_MIXER_LAST; 1929 strcpy(dip->label.name, "AGC"); 1930 dip->un.e.num_mem = 2; 1931 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1932 dip->un.e.member[0].ord = 0; 1933 strcpy(dip->un.e.member[1].label.name, AudioNon); 1934 dip->un.e.member[1].ord = 1; 1935 return 0; 1936 1937 case SB_INPUT_CLASS: 1938 dip->type = AUDIO_MIXER_CLASS; 1939 dip->mixer_class = SB_INPUT_CLASS; 1940 dip->next = dip->prev = AUDIO_MIXER_LAST; 1941 strcpy(dip->label.name, AudioCInputs); 1942 return 0; 1943 1944 case SB_EQUALIZATION_CLASS: 1945 dip->type = AUDIO_MIXER_CLASS; 1946 dip->mixer_class = SB_EQUALIZATION_CLASS; 1947 dip->next = dip->prev = AUDIO_MIXER_LAST; 1948 strcpy(dip->label.name, AudioCEqualization); 1949 return 0; 1950 } 1951 1952 return ENXIO; 1953 } 1954
Indexes created Thu Sep 25 16:09:42 GMT 2025