sbdsp.c revision 1.57
1 /* $NetBSD: sbdsp.c,v 1.57 1997/06/06 23:44:02 thorpej 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/bus.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 u_char 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 /* Yes, we write the record mode to set 16-bit playback mode. weird, huh? */ 137 { SB_JAZZ, 1, 8, 4000, 22727, SB_DSP_WDMA_LOOP, SB_DSP_RECORD_MONO }, 138 { SB_JAZZ, 1, 8, 22727, 45454, SB_DSP_HS_OUTPUT, SB_DSP_RECORD_MONO }, 139 { SB_JAZZ, 2, 8, 11025, 22727, SB_DSP_HS_OUTPUT, SB_DSP_RECORD_STEREO }, 140 { SB_JAZZ, 1, 16, 4000, 22727, SB_DSP_WDMA_LOOP, JAZZ16_RECORD_MONO }, 141 { SB_JAZZ, 1, 16, 22727, 45454, SB_DSP_HS_OUTPUT, JAZZ16_RECORD_MONO }, 142 { SB_JAZZ, 2, 16, 11025, 22727, SB_DSP_HS_OUTPUT, JAZZ16_RECORD_STEREO }, 143 { SB_16, 1, 8, 5000, 45000, SB_DSP16_WDMA_8 }, 144 { SB_16, 2, 8, 5000, 45000, SB_DSP16_WDMA_8 }, 145 { SB_16, 1, 16, 5000, 45000, SB_DSP16_WDMA_16 }, 146 { SB_16, 2, 16, 5000, 45000, SB_DSP16_WDMA_16 }, 147 { -1 } 148 }; 149 static struct sbmode sbrmodes[] = { 150 { SB_1, 1, 8, 4000, 12987, SB_DSP_RDMA }, 151 { SB_20, 1, 8, 4000, 12987, SB_DSP_RDMA_LOOP }, 152 { SB_2x, 1, 8, 4000, 12987, SB_DSP_RDMA_LOOP }, 153 { SB_2x, 1, 8, 12987, 14925, SB_DSP_HS_INPUT }, 154 { SB_PRO, 1, 8, 4000, 22727, SB_DSP_RDMA_LOOP, SB_DSP_RECORD_MONO }, 155 { SB_PRO, 1, 8, 22727, 45454, SB_DSP_HS_INPUT, SB_DSP_RECORD_MONO }, 156 { SB_PRO, 2, 8, 11025, 22727, SB_DSP_HS_INPUT, SB_DSP_RECORD_STEREO }, 157 { SB_JAZZ, 1, 8, 4000, 22727, SB_DSP_RDMA_LOOP, SB_DSP_RECORD_MONO }, 158 { SB_JAZZ, 1, 8, 22727, 45454, SB_DSP_HS_INPUT, SB_DSP_RECORD_MONO }, 159 { SB_JAZZ, 2, 8, 11025, 22727, SB_DSP_HS_INPUT, SB_DSP_RECORD_STEREO }, 160 { SB_JAZZ, 1, 16, 4000, 22727, SB_DSP_RDMA_LOOP, JAZZ16_RECORD_MONO }, 161 { SB_JAZZ, 1, 16, 22727, 45454, SB_DSP_HS_INPUT, JAZZ16_RECORD_MONO }, 162 { SB_JAZZ, 2, 16, 11025, 22727, SB_DSP_HS_INPUT, JAZZ16_RECORD_STEREO }, 163 { SB_16, 1, 8, 5000, 45000, SB_DSP16_RDMA_8 }, 164 { SB_16, 2, 8, 5000, 45000, SB_DSP16_RDMA_8 }, 165 { SB_16, 1, 16, 5000, 45000, SB_DSP16_RDMA_16 }, 166 { SB_16, 2, 16, 5000, 45000, SB_DSP16_RDMA_16 }, 167 { -1 } 168 }; 169 170 void sbversion __P((struct sbdsp_softc *)); 171 void sbdsp_jazz16_probe __P((struct sbdsp_softc *)); 172 void sbdsp_set_mixer_gain __P((struct sbdsp_softc *sc, int port)); 173 int sbdsp16_wait __P((struct sbdsp_softc *)); 174 void sbdsp_to __P((void *)); 175 void sbdsp_pause __P((struct sbdsp_softc *)); 176 int sbdsp_set_timeconst __P((struct sbdsp_softc *, int)); 177 int sbdsp16_set_rate __P((struct sbdsp_softc *, int, int)); 178 int sbdsp_set_in_ports __P((struct sbdsp_softc *, int)); 179 void sbdsp_set_ifilter __P((void *, int)); 180 int sbdsp_get_ifilter __P((void *)); 181 182 #ifdef AUDIO_DEBUG 183 void sb_printsc __P((struct sbdsp_softc *)); 184 185 void 186 sb_printsc(sc) 187 struct sbdsp_softc *sc; 188 { 189 int i; 190 191 printf("open %d dmachan %d/%d/%d iobase 0x%x irq %d\n", 192 (int)sc->sc_open, sc->dmachan, sc->sc_drq8, sc->sc_drq16, 193 sc->sc_iobase, sc->sc_irq); 194 printf("irate %d itc %x orate %d otc %x\n", 195 sc->sc_irate, sc->sc_itc, 196 sc->sc_orate, sc->sc_otc); 197 printf("outport %u inport %u spkron %u nintr %lu\n", 198 sc->out_port, sc->in_port, sc->spkr_state, sc->sc_interrupts); 199 printf("intr %p arg %p\n", 200 sc->sc_intr, sc->sc_arg); 201 printf("gain:"); 202 for (i = 0; i < SB_NDEVS; i++) 203 printf(" %u,%u", sc->gain[i][SB_LEFT], sc->gain[i][SB_RIGHT]); 204 printf("\n"); 205 } 206 #endif /* AUDIO_DEBUG */ 207 208 /* 209 * Probe / attach routines. 210 */ 211 212 /* 213 * Probe for the soundblaster hardware. 214 */ 215 int 216 sbdsp_probe(sc) 217 struct sbdsp_softc *sc; 218 { 219 220 if (sbdsp_reset(sc) < 0) { 221 DPRINTF(("sbdsp: couldn't reset card\n")); 222 return 0; 223 } 224 /* if flags set, go and probe the jazz16 stuff */ 225 if (sc->sc_dev.dv_cfdata->cf_flags & 1) 226 sbdsp_jazz16_probe(sc); 227 else 228 sbversion(sc); 229 if (sc->sc_model == SB_UNK) { 230 /* Unknown SB model found. */ 231 DPRINTF(("sbdsp: unknown SB model found\n")); 232 return 0; 233 } 234 return 1; 235 } 236 237 /* 238 * Try add-on stuff for Jazz16. 239 */ 240 void 241 sbdsp_jazz16_probe(sc) 242 struct sbdsp_softc *sc; 243 { 244 static u_char jazz16_irq_conf[16] = { 245 -1, -1, 0x02, 0x03, 246 -1, 0x01, -1, 0x04, 247 -1, 0x02, 0x05, -1, 248 -1, -1, -1, 0x06}; 249 static u_char jazz16_drq_conf[8] = { 250 -1, 0x01, -1, 0x02, 251 -1, 0x03, -1, 0x04}; 252 253 bus_space_tag_t iot = sc->sc_iot; 254 bus_space_handle_t ioh; 255 256 sbversion(sc); 257 258 DPRINTF(("jazz16 probe\n")); 259 260 if (bus_space_map(iot, JAZZ16_CONFIG_PORT, 1, 0, &ioh)) { 261 DPRINTF(("bus map failed\n")); 262 return; 263 } 264 265 if (jazz16_drq_conf[sc->sc_drq8] == (u_char)-1 || 266 jazz16_irq_conf[sc->sc_irq] == (u_char)-1) { 267 DPRINTF(("drq/irq check failed\n")); 268 goto done; /* give up, we can't do it. */ 269 } 270 271 bus_space_write_1(iot, ioh, 0, JAZZ16_WAKEUP); 272 delay(10000); /* delay 10 ms */ 273 bus_space_write_1(iot, ioh, 0, JAZZ16_SETBASE); 274 bus_space_write_1(iot, ioh, 0, sc->sc_iobase & 0x70); 275 276 if (sbdsp_reset(sc) < 0) { 277 DPRINTF(("sbdsp_reset check failed\n")); 278 goto done; /* XXX? what else could we do? */ 279 } 280 281 if (sbdsp_wdsp(sc, JAZZ16_READ_VER)) { 282 DPRINTF(("read16 setup failed\n")); 283 goto done; 284 } 285 286 if (sbdsp_rdsp(sc) != JAZZ16_VER_JAZZ) { 287 DPRINTF(("read16 failed\n")); 288 goto done; 289 } 290 291 /* XXX set both 8 & 16-bit drq to same channel, it works fine. */ 292 sc->sc_drq16 = sc->sc_drq8; 293 if (sbdsp_wdsp(sc, JAZZ16_SET_DMAINTR) || 294 sbdsp_wdsp(sc, (jazz16_drq_conf[sc->sc_drq16] << 4) | 295 jazz16_drq_conf[sc->sc_drq8]) || 296 sbdsp_wdsp(sc, jazz16_irq_conf[sc->sc_irq])) { 297 DPRINTF(("sbdsp: can't write jazz16 probe stuff\n")); 298 } else { 299 DPRINTF(("jazz16 detected!\n")); 300 sc->sc_model = SB_JAZZ; 301 sc->sc_mixer_model = SBM_CT1345; /* XXX really? */ 302 } 303 304 done: 305 bus_space_unmap(iot, ioh, 1); 306 } 307 308 /* 309 * Attach hardware to driver, attach hardware driver to audio 310 * pseudo-device driver . 311 */ 312 void 313 sbdsp_attach(sc) 314 struct sbdsp_softc *sc; 315 { 316 struct audio_params xparams; 317 int i; 318 u_int v; 319 320 /* 321 * Create our DMA maps. 322 */ 323 if (sc->sc_drq8 != -1) { 324 if (isa_dmamap_create(sc->sc_isa, sc->sc_drq8, 325 MAXPHYS /* XXX */, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 326 printf("%s: can't create map for drq %d\n", 327 sc->sc_dev.dv_xname, sc->sc_drq8); 328 return; 329 } 330 } 331 if (sc->sc_drq16 != -1 && sc->sc_drq16 != sc->sc_drq8) { 332 if (isa_dmamap_create(sc->sc_isa, sc->sc_drq16, 333 MAXPHYS /* XXX */, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 334 printf("%s: can't create map for drq %d\n", 335 sc->sc_dev.dv_xname, sc->sc_drq16); 336 return; 337 } 338 } 339 340 sbdsp_set_params(sc, AUMODE_RECORD, &audio_default, &xparams); 341 sbdsp_set_params(sc, AUMODE_PLAY, &audio_default, &xparams); 342 343 sbdsp_set_in_port(sc, SB_MIC_VOL); 344 sbdsp_set_out_port(sc, SB_MASTER_VOL); 345 346 if (sc->sc_mixer_model != SBM_NONE) { 347 /* Reset the mixer.*/ 348 sbdsp_mix_write(sc, SBP_MIX_RESET, SBP_MIX_RESET); 349 /* And set our own default values */ 350 for (i = 0; i < SB_NDEVS; i++) { 351 switch(i) { 352 case SB_MIC_VOL: 353 case SB_LINE_IN_VOL: 354 v = 0; 355 break; 356 case SB_BASS: 357 case SB_TREBLE: 358 v = SB_ADJUST_GAIN(sc, AUDIO_MAX_GAIN/2); 359 break; 360 default: 361 v = SB_ADJUST_GAIN(sc, AUDIO_MAX_GAIN * 3 / 4); 362 break; 363 } 364 sc->gain[i][SB_LEFT] = sc->gain[i][SB_RIGHT] = v; 365 sbdsp_set_mixer_gain(sc, i); 366 } 367 sc->in_filter = 0; /* no filters turned on, please */ 368 } 369 370 printf(": dsp v%d.%02d%s\n", 371 SBVER_MAJOR(sc->sc_version), SBVER_MINOR(sc->sc_version), 372 sc->sc_model == SB_JAZZ ? ": <Jazz16>" : ""); 373 } 374 375 void 376 sbdsp_mix_write(sc, mixerport, val) 377 struct sbdsp_softc *sc; 378 int mixerport; 379 int val; 380 { 381 bus_space_tag_t iot = sc->sc_iot; 382 bus_space_handle_t ioh = sc->sc_ioh; 383 int s; 384 385 s = splaudio(); 386 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 387 delay(20); 388 bus_space_write_1(iot, ioh, SBP_MIXER_DATA, val); 389 delay(30); 390 splx(s); 391 } 392 393 int 394 sbdsp_mix_read(sc, mixerport) 395 struct sbdsp_softc *sc; 396 int mixerport; 397 { 398 bus_space_tag_t iot = sc->sc_iot; 399 bus_space_handle_t ioh = sc->sc_ioh; 400 int val; 401 int s; 402 403 s = splaudio(); 404 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 405 delay(20); 406 val = bus_space_read_1(iot, ioh, SBP_MIXER_DATA); 407 delay(30); 408 splx(s); 409 return val; 410 } 411 412 /* 413 * Various routines to interface to higher level audio driver 414 */ 415 416 int 417 sbdsp_query_encoding(addr, fp) 418 void *addr; 419 struct audio_encoding *fp; 420 { 421 struct sbdsp_softc *sc = addr; 422 int emul; 423 424 emul = ISSB16CLASS(sc) ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 425 426 switch (fp->index) { 427 case 0: 428 strcpy(fp->name, AudioEulinear); 429 fp->encoding = AUDIO_ENCODING_ULINEAR; 430 fp->precision = 8; 431 fp->flags = 0; 432 return 0; 433 case 1: 434 strcpy(fp->name, AudioEmulaw); 435 fp->encoding = AUDIO_ENCODING_ULAW; 436 fp->precision = 8; 437 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 438 return 0; 439 case 2: 440 strcpy(fp->name, AudioEalaw); 441 fp->encoding = AUDIO_ENCODING_ALAW; 442 fp->precision = 8; 443 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 444 return 0; 445 case 3: 446 strcpy(fp->name, AudioElinear); 447 fp->encoding = AUDIO_ENCODING_LINEAR; 448 fp->precision = 8; 449 fp->flags = emul; 450 return 0; 451 } 452 if (!ISSB16CLASS(sc) && sc->sc_model != SB_JAZZ) 453 return EINVAL; 454 455 switch(fp->index) { 456 case 4: 457 strcpy(fp->name, AudioElinear_le); 458 fp->encoding = AUDIO_ENCODING_LINEAR_LE; 459 fp->precision = 16; 460 fp->flags = 0; 461 return 0; 462 case 5: 463 strcpy(fp->name, AudioEulinear_le); 464 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 465 fp->precision = 16; 466 fp->flags = emul; 467 return 0; 468 case 6: 469 strcpy(fp->name, AudioElinear_be); 470 fp->encoding = AUDIO_ENCODING_LINEAR_BE; 471 fp->precision = 16; 472 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 473 return 0; 474 case 7: 475 strcpy(fp->name, AudioEulinear_be); 476 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 477 fp->precision = 16; 478 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 479 return 0; 480 default: 481 return EINVAL; 482 } 483 return 0; 484 } 485 486 int 487 sbdsp_set_params(addr, mode, p, q) 488 void *addr; 489 int mode; 490 struct audio_params *p, *q; 491 { 492 struct sbdsp_softc *sc = addr; 493 struct sbmode *m; 494 u_int rate, tc = 1, bmode = -1; 495 void (*swcode) __P((void *, u_char *buf, int cnt)); 496 497 for(m = mode == AUMODE_PLAY ? sbpmodes : sbrmodes; 498 m->model != -1; m++) { 499 if (sc->sc_model == m->model && 500 p->channels == m->channels && 501 p->precision == m->precision && 502 p->sample_rate >= m->lowrate && 503 p->sample_rate < m->highrate) 504 break; 505 } 506 if (m->model == -1) 507 return EINVAL; 508 rate = p->sample_rate; 509 swcode = 0; 510 if (m->model == SB_16) { 511 switch (p->encoding) { 512 case AUDIO_ENCODING_LINEAR_BE: 513 if (p->precision == 16) 514 swcode = swap_bytes; 515 /* fall into */ 516 case AUDIO_ENCODING_LINEAR_LE: 517 bmode = 0x10; 518 break; 519 case AUDIO_ENCODING_ULINEAR_BE: 520 if (p->precision == 16) 521 swcode = swap_bytes; 522 /* fall into */ 523 case AUDIO_ENCODING_ULINEAR_LE: 524 bmode = 0; 525 break; 526 case AUDIO_ENCODING_ULAW: 527 swcode = mode == AUMODE_PLAY ? 528 mulaw_to_ulinear8 : ulinear8_to_mulaw; 529 bmode = 0; 530 break; 531 case AUDIO_ENCODING_ALAW: 532 swcode = mode == AUMODE_PLAY ? 533 alaw_to_ulinear8 : ulinear8_to_alaw; 534 bmode = 0; 535 break; 536 default: 537 return EINVAL; 538 } 539 if (p->channels == 2) 540 bmode |= 0x20; 541 } else if (m->model == SB_JAZZ && m->precision == 16) { 542 switch (p->encoding) { 543 case AUDIO_ENCODING_LINEAR_LE: 544 break; 545 case AUDIO_ENCODING_ULINEAR_LE: 546 swcode = change_sign16; 547 break; 548 case AUDIO_ENCODING_LINEAR_BE: 549 swcode = swap_bytes; 550 break; 551 case AUDIO_ENCODING_ULINEAR_BE: 552 swcode = mode == AUMODE_PLAY ? 553 swap_bytes_change_sign16 : change_sign16_swap_bytes; 554 break; 555 case AUDIO_ENCODING_ULAW: 556 swcode = mode == AUMODE_PLAY ? 557 mulaw_to_ulinear8 : ulinear8_to_mulaw; 558 break; 559 case AUDIO_ENCODING_ALAW: 560 swcode = mode == AUMODE_PLAY ? 561 alaw_to_ulinear8 : ulinear8_to_alaw; 562 break; 563 default: 564 return EINVAL; 565 } 566 tc = SB_RATE_TO_TC(p->sample_rate * p->channels); 567 p->sample_rate = SB_TC_TO_RATE(tc) / p->channels; 568 } else { 569 switch (p->encoding) { 570 case AUDIO_ENCODING_LINEAR_BE: 571 case AUDIO_ENCODING_LINEAR_LE: 572 swcode = change_sign8; 573 break; 574 case AUDIO_ENCODING_ULINEAR_BE: 575 case AUDIO_ENCODING_ULINEAR_LE: 576 break; 577 case AUDIO_ENCODING_ULAW: 578 swcode = mode == AUMODE_PLAY ? 579 mulaw_to_ulinear8 : ulinear8_to_mulaw; 580 break; 581 case AUDIO_ENCODING_ALAW: 582 swcode = mode == AUMODE_PLAY ? 583 alaw_to_ulinear8 : ulinear8_to_alaw; 584 break; 585 default: 586 return EINVAL; 587 } 588 tc = SB_RATE_TO_TC(p->sample_rate * p->channels); 589 p->sample_rate = SB_TC_TO_RATE(tc) / p->channels; 590 } 591 592 if (mode == AUMODE_PLAY) { 593 sc->sc_orate = rate; 594 sc->sc_otc = tc; 595 sc->sc_omodep = m; 596 sc->sc_obmode = bmode; 597 } else { 598 sc->sc_irate = rate; 599 sc->sc_itc = tc; 600 sc->sc_imodep = m; 601 sc->sc_ibmode = bmode; 602 } 603 604 p->sw_code = swcode; 605 606 /* Update setting for the other mode. */ 607 q->encoding = p->encoding; 608 q->channels = p->channels; 609 q->precision = p->precision; 610 611 /* 612 * XXX 613 * Should wait for chip to be idle. 614 */ 615 sc->sc_dmadir = SB_DMA_NONE; 616 617 DPRINTF(("set_params: model=%d, rate=%ld, prec=%d, chan=%d, enc=%d -> tc=%02x, cmd=%02x, bmode=%02x, cmdchan=%02x, swcode=%p\n", 618 sc->sc_model, p->sample_rate, p->precision, p->channels, 619 p->encoding, tc, m->cmd, bmode, m->cmdchan, swcode)); 620 621 return 0; 622 } 623 624 void 625 sbdsp_set_ifilter(addr, which) 626 void *addr; 627 int which; 628 { 629 struct sbdsp_softc *sc = addr; 630 int mixval; 631 632 mixval = sbdsp_mix_read(sc, SBP_INFILTER) & ~SBP_IFILTER_MASK; 633 switch (which) { 634 case 0: 635 mixval |= SBP_FILTER_OFF; 636 break; 637 case SB_TREBLE: 638 mixval |= SBP_FILTER_ON | SBP_IFILTER_HIGH; 639 break; 640 case SB_BASS: 641 mixval |= SBP_FILTER_ON | SBP_IFILTER_LOW; 642 break; 643 default: 644 return; 645 } 646 sc->in_filter = mixval & SBP_IFILTER_MASK; 647 sbdsp_mix_write(sc, SBP_INFILTER, mixval); 648 } 649 650 int 651 sbdsp_get_ifilter(addr) 652 void *addr; 653 { 654 struct sbdsp_softc *sc = addr; 655 656 sc->in_filter = 657 sbdsp_mix_read(sc, SBP_INFILTER) & SBP_IFILTER_MASK; 658 switch (sc->in_filter) { 659 case SBP_FILTER_ON|SBP_IFILTER_HIGH: 660 return SB_TREBLE; 661 case SBP_FILTER_ON|SBP_IFILTER_LOW: 662 return SB_BASS; 663 default: 664 return 0; 665 } 666 } 667 668 int 669 sbdsp_set_out_port(addr, port) 670 void *addr; 671 int port; 672 { 673 struct sbdsp_softc *sc = addr; 674 675 sc->out_port = port; /* Just record it */ 676 677 return 0; 678 } 679 680 int 681 sbdsp_get_out_port(addr) 682 void *addr; 683 { 684 struct sbdsp_softc *sc = addr; 685 686 return sc->out_port; 687 } 688 689 690 int 691 sbdsp_set_in_port(addr, port) 692 void *addr; 693 int port; 694 { 695 return sbdsp_set_in_ports(addr, 1 << port); 696 } 697 698 int 699 sbdsp_set_in_ports(sc, mask) 700 struct sbdsp_softc *sc; 701 int mask; 702 { 703 int bitsl, bitsr; 704 int sbport; 705 int i; 706 707 DPRINTF(("sbdsp_set_in_ports: model=%d, mask=%x\n", 708 sc->sc_mixer_model, mask)); 709 710 switch(sc->sc_mixer_model) { 711 case SBM_NONE: 712 return EINVAL; 713 case SBM_CT1335: 714 if (mask != (1 << SB_MIC_VOL)) 715 return EINVAL; 716 break; 717 case SBM_CT1345: 718 switch (mask) { 719 case 1 << SB_MIC_VOL: 720 sbport = SBP_FROM_MIC; 721 break; 722 case 1 << SB_LINE_IN_VOL: 723 sbport = SBP_FROM_LINE; 724 break; 725 case 1 << SB_CD_VOL: 726 sbport = SBP_FROM_CD; 727 break; 728 default: 729 return EINVAL; 730 } 731 sbdsp_mix_write(sc, SBP_RECORD_SOURCE, 732 SBP_RECORD_FROM(sbport, SBP_FILTER_OFF, SBP_IFILTER_HIGH)); 733 break; 734 case SBM_CT1745: 735 if (mask & ~((1<<SB_MIDI_VOL) | (1<<SB_LINE_IN_VOL) | 736 (1<<SB_CD_VOL) | (1<<SB_MIC_VOL))) 737 return EINVAL; 738 bitsr = 0; 739 if (mask & SB_MIDI_VOL) bitsr |= SBP_MIDI_SRC_R; 740 if (mask & SB_LINE_IN_VOL) bitsr |= SBP_LINE_SRC_R; 741 if (mask & SB_CD_VOL) bitsr |= SBP_CD_SRC_R; 742 bitsl = SB_SRC_R_TO_L(bitsr); 743 if (mask & SB_MIC_VOL) { 744 bitsl |= SBP_MIC_SRC; 745 bitsr |= SBP_MIC_SRC; 746 } 747 sbdsp_mix_write(sc, SBP_RECORD_SOURCE_L, bitsl); 748 sbdsp_mix_write(sc, SBP_RECORD_SOURCE_R, bitsr); 749 break; 750 } 751 752 sc->in_mask = mask; 753 754 /* XXX 755 * We have to fake a single port since the upper layer 756 * expects one. 757 */ 758 for(i = 0; i < SB_NPORT; i++) { 759 if (mask & (1 << i)) { 760 sc->in_port = i; 761 break; 762 } 763 } 764 return 0; 765 } 766 767 int 768 sbdsp_get_in_port(addr) 769 void *addr; 770 { 771 struct sbdsp_softc *sc = addr; 772 773 return sc->in_port; 774 } 775 776 777 int 778 sbdsp_speaker_ctl(addr, newstate) 779 void *addr; 780 int newstate; 781 { 782 struct sbdsp_softc *sc = addr; 783 784 if ((newstate == SPKR_ON) && 785 (sc->spkr_state == SPKR_OFF)) { 786 sbdsp_spkron(sc); 787 sc->spkr_state = SPKR_ON; 788 } 789 if ((newstate == SPKR_OFF) && 790 (sc->spkr_state == SPKR_ON)) { 791 sbdsp_spkroff(sc); 792 sc->spkr_state = SPKR_OFF; 793 } 794 return 0; 795 } 796 797 int 798 sbdsp_round_blocksize(addr, blk) 799 void *addr; 800 int blk; 801 { 802 if (blk > NBPG/3) 803 blk = NBPG/3; /* XXX allow at least 3 blocks */ 804 805 /* Round to a multiple of the biggest sample size. */ 806 blk &= -4; 807 808 return blk; 809 } 810 811 int 812 sbdsp_commit_settings(addr) 813 void *addr; 814 { 815 return 0; 816 } 817 818 int 819 sbdsp_open(sc, dev, flags) 820 struct sbdsp_softc *sc; 821 dev_t dev; 822 int flags; 823 { 824 DPRINTF(("sbdsp_open: sc=%p\n", sc)); 825 826 if (sc->sc_open != 0 || sbdsp_reset(sc) != 0) 827 return ENXIO; 828 829 sc->sc_open = 1; 830 sc->sc_mintr = 0; 831 if (ISSBPRO(sc) && 832 sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) { 833 DPRINTF(("sbdsp_open: can't set mono mode\n")); 834 /* we'll readjust when it's time for DMA. */ 835 } 836 837 /* 838 * Leave most things as they were; users must change things if 839 * the previous process didn't leave it they way they wanted. 840 * Looked at another way, it's easy to set up a configuration 841 * in one program and leave it for another to inherit. 842 */ 843 DPRINTF(("sbdsp_open: opened\n")); 844 845 return 0; 846 } 847 848 void 849 sbdsp_close(addr) 850 void *addr; 851 { 852 struct sbdsp_softc *sc = addr; 853 854 DPRINTF(("sbdsp_close: sc=%p\n", sc)); 855 856 sc->sc_open = 0; 857 sbdsp_spkroff(sc); 858 sc->spkr_state = SPKR_OFF; 859 sc->sc_intr = 0; 860 sc->sc_mintr = 0; 861 sbdsp_haltdma(sc); 862 863 DPRINTF(("sbdsp_close: closed\n")); 864 } 865 866 /* 867 * Lower-level routines 868 */ 869 870 /* 871 * Reset the card. 872 * Return non-zero if the card isn't detected. 873 */ 874 int 875 sbdsp_reset(sc) 876 struct sbdsp_softc *sc; 877 { 878 bus_space_tag_t iot = sc->sc_iot; 879 bus_space_handle_t ioh = sc->sc_ioh; 880 881 sc->sc_intr = 0; 882 if (sc->sc_dmadir != SB_DMA_NONE) { 883 isa_dmaabort(sc->sc_isa, sc->dmachan); 884 sc->sc_dmadir = SB_DMA_NONE; 885 } 886 887 /* 888 * See SBK, section 11.3. 889 * We pulse a reset signal into the card. 890 * Gee, what a brilliant hardware design. 891 */ 892 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 1); 893 delay(10); 894 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 0); 895 delay(30); 896 if (sbdsp_rdsp(sc) != SB_MAGIC) 897 return -1; 898 899 return 0; 900 } 901 902 int 903 sbdsp16_wait(sc) 904 struct sbdsp_softc *sc; 905 { 906 bus_space_tag_t iot = sc->sc_iot; 907 bus_space_handle_t ioh = sc->sc_ioh; 908 int i; 909 u_char x; 910 911 for (i = SBDSP_NPOLL; --i >= 0; ) { 912 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 913 delay(10); 914 if ((x & SB_DSP_BUSY) == 0) 915 continue; 916 return 0; 917 } 918 ++sberr.wdsp; 919 return -1; 920 } 921 922 /* 923 * Write a byte to the dsp. 924 * XXX We are at the mercy of the card as we use a 925 * polling loop and wait until it can take the byte. 926 */ 927 int 928 sbdsp_wdsp(sc, v) 929 struct sbdsp_softc *sc; 930 int v; 931 { 932 bus_space_tag_t iot = sc->sc_iot; 933 bus_space_handle_t ioh = sc->sc_ioh; 934 int i; 935 u_char x; 936 937 for (i = SBDSP_NPOLL; --i >= 0; ) { 938 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 939 delay(10); 940 if ((x & SB_DSP_BUSY) != 0) 941 continue; 942 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, v); 943 delay(10); 944 return 0; 945 } 946 ++sberr.wdsp; 947 return -1; 948 } 949 950 /* 951 * Read a byte from the DSP, using polling. 952 */ 953 int 954 sbdsp_rdsp(sc) 955 struct sbdsp_softc *sc; 956 { 957 bus_space_tag_t iot = sc->sc_iot; 958 bus_space_handle_t ioh = sc->sc_ioh; 959 int i; 960 u_char x; 961 962 for (i = SBDSP_NPOLL; --i >= 0; ) { 963 x = bus_space_read_1(iot, ioh, SBP_DSP_RSTAT); 964 delay(10); 965 if ((x & SB_DSP_READY) == 0) 966 continue; 967 x = bus_space_read_1(iot, ioh, SBP_DSP_READ); 968 delay(10); 969 return x; 970 } 971 ++sberr.rdsp; 972 return -1; 973 } 974 975 /* 976 * Doing certain things (like toggling the speaker) make 977 * the SB hardware go away for a while, so pause a little. 978 */ 979 void 980 sbdsp_to(arg) 981 void *arg; 982 { 983 wakeup(arg); 984 } 985 986 void 987 sbdsp_pause(sc) 988 struct sbdsp_softc *sc; 989 { 990 extern int hz; 991 992 timeout(sbdsp_to, sbdsp_to, hz/8); 993 (void)tsleep(sbdsp_to, PWAIT, "sbpause", 0); 994 } 995 996 /* 997 * Turn on the speaker. The SBK documention says this operation 998 * can take up to 1/10 of a second. Higher level layers should 999 * probably let the task sleep for this amount of time after 1000 * calling here. Otherwise, things might not work (because 1001 * sbdsp_wdsp() and sbdsp_rdsp() will probably timeout.) 1002 * 1003 * These engineers had their heads up their ass when 1004 * they designed this card. 1005 */ 1006 void 1007 sbdsp_spkron(sc) 1008 struct sbdsp_softc *sc; 1009 { 1010 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_ON); 1011 sbdsp_pause(sc); 1012 } 1013 1014 /* 1015 * Turn off the speaker; see comment above. 1016 */ 1017 void 1018 sbdsp_spkroff(sc) 1019 struct sbdsp_softc *sc; 1020 { 1021 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_OFF); 1022 sbdsp_pause(sc); 1023 } 1024 1025 /* 1026 * Read the version number out of the card. Return major code 1027 * in high byte, and minor code in low byte. 1028 */ 1029 void 1030 sbversion(sc) 1031 struct sbdsp_softc *sc; 1032 { 1033 int v; 1034 1035 sc->sc_model = SB_UNK; 1036 sc->sc_version = 0; 1037 if (sbdsp_wdsp(sc, SB_DSP_VERSION) < 0) 1038 return; 1039 v = sbdsp_rdsp(sc) << 8; 1040 v |= sbdsp_rdsp(sc); 1041 if (v < 0) 1042 return; 1043 sc->sc_version = v; 1044 switch(SBVER_MAJOR(v)) { 1045 case 1: 1046 sc->sc_mixer_model = SBM_NONE; 1047 sc->sc_model = SB_1; 1048 break; 1049 case 2: 1050 /* Some SB2 have a mixer, some don't. */ 1051 sbdsp_mix_write(sc, SBP_1335_MASTER_VOL, 0x04); 1052 sbdsp_mix_write(sc, SBP_1335_MIDI_VOL, 0x06); 1053 /* Check if we can read back the mixer values. */ 1054 if ((sbdsp_mix_read(sc, SBP_1335_MASTER_VOL) & 0x0e) == 0x04 && 1055 (sbdsp_mix_read(sc, SBP_1335_MIDI_VOL) & 0x0e) == 0x06) 1056 sc->sc_mixer_model = SBM_CT1335; 1057 else 1058 sc->sc_mixer_model = SBM_NONE; 1059 if (SBVER_MINOR(v) == 0) 1060 sc->sc_model = SB_20; 1061 else 1062 sc->sc_model = SB_2x; 1063 break; 1064 case 3: 1065 sc->sc_mixer_model = SBM_CT1345; 1066 sc->sc_model = SB_PRO; 1067 break; 1068 case 4: 1069 sc->sc_mixer_model = SBM_CT1745; 1070 sc->sc_model = SB_16; 1071 break; 1072 } 1073 } 1074 1075 /* 1076 * Halt a DMA in progress. A low-speed transfer can be 1077 * resumed with sbdsp_contdma(). 1078 */ 1079 int 1080 sbdsp_haltdma(addr) 1081 void *addr; 1082 { 1083 struct sbdsp_softc *sc = addr; 1084 1085 DPRINTF(("sbdsp_haltdma: sc=%p\n", sc)); 1086 1087 sbdsp_reset(sc); 1088 return 0; 1089 } 1090 1091 int 1092 sbdsp_contdma(addr) 1093 void *addr; 1094 { 1095 struct sbdsp_softc *sc = addr; 1096 1097 DPRINTF(("sbdsp_contdma: sc=%p\n", sc)); 1098 1099 /* XXX how do we reinitialize the DMA controller state? do we care? */ 1100 (void)sbdsp_wdsp(sc, SB_DSP_CONT); 1101 return 0; 1102 } 1103 1104 int 1105 sbdsp_set_timeconst(sc, tc) 1106 struct sbdsp_softc *sc; 1107 int tc; 1108 { 1109 DPRINTF(("sbdsp_set_timeconst: sc=%p tc=%d\n", sc, tc)); 1110 1111 if (sbdsp_wdsp(sc, SB_DSP_TIMECONST) < 0 || 1112 sbdsp_wdsp(sc, tc) < 0) 1113 return EIO; 1114 1115 return 0; 1116 } 1117 1118 int 1119 sbdsp16_set_rate(sc, cmd, rate) 1120 struct sbdsp_softc *sc; 1121 int cmd, rate; 1122 { 1123 DPRINTF(("sbdsp16_set_rate: sc=%p rate=%d\n", sc, rate)); 1124 1125 if (sbdsp_wdsp(sc, cmd) < 0 || 1126 sbdsp_wdsp(sc, rate >> 8) < 0 || 1127 sbdsp_wdsp(sc, rate) < 0) 1128 return EIO; 1129 return 0; 1130 } 1131 1132 int 1133 sbdsp_dma_input(addr, p, cc, intr, arg) 1134 void *addr; 1135 void *p; 1136 int cc; 1137 void (*intr) __P((void *)); 1138 void *arg; 1139 { 1140 struct sbdsp_softc *sc = addr; 1141 int loop = sc->sc_model != SB_1; 1142 int stereo = sc->sc_imodep->channels == 2; 1143 int filter; 1144 1145 #ifdef AUDIO_DEBUG 1146 if (sbdspdebug > 1) 1147 Dprintf("sbdsp_dma_input: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1148 #endif 1149 #ifdef DIAGNOSTIC 1150 if (sc->sc_imodep->channels == 2 && (cc & 1)) { 1151 DPRINTF(("stereo record odd bytes (%d)\n", cc)); 1152 return EIO; 1153 } 1154 #endif 1155 1156 if (sc->sc_dmadir != SB_DMA_IN) { 1157 if (ISSBPRO(sc)) { 1158 if (sbdsp_wdsp(sc, sc->sc_imodep->cmdchan) < 0) 1159 goto badmode; 1160 filter = stereo ? SBP_FILTER_OFF : sc->in_filter; 1161 sbdsp_mix_write(sc, SBP_INFILTER, 1162 (sbdsp_mix_read(sc, SBP_INFILTER) & 1163 ~SBP_IFILTER_MASK) | filter); 1164 } 1165 1166 if (ISSB16CLASS(sc)) { 1167 if (sbdsp16_set_rate(sc, SB_DSP16_INPUTRATE, 1168 sc->sc_irate)) 1169 goto giveup; 1170 } else { 1171 if (sbdsp_set_timeconst(sc, sc->sc_itc)) 1172 goto giveup; 1173 } 1174 1175 sc->sc_dmadir = SB_DMA_IN; 1176 sc->dmaflags = DMAMODE_READ; 1177 if (loop) 1178 sc->dmaflags |= DMAMODE_LOOP; 1179 } else { 1180 /* If already started; just return. */ 1181 if (loop) 1182 return 0; 1183 } 1184 1185 sc->dmaaddr = p; 1186 sc->dmacnt = loop ? (NBPG/cc)*cc : cc; 1187 sc->dmachan = sc->sc_imodep->precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 1188 #ifdef AUDIO_DEBUG 1189 if (sbdspdebug > 1) 1190 Dprintf("sbdsp_dma_input: dmastart %x %p %d %d\n", 1191 sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->dmachan); 1192 #endif 1193 isa_dmastart(sc->sc_isa, sc->dmachan, sc->dmaaddr, 1194 sc->dmacnt, NULL, sc->dmaflags, BUS_DMA_NOWAIT); 1195 sc->sc_intr = intr; 1196 sc->sc_arg = arg; 1197 1198 if ((sc->sc_model == SB_JAZZ && sc->dmachan > 3) || 1199 (sc->sc_model != SB_JAZZ && sc->sc_omodep->precision == 16)) 1200 cc >>= 1; 1201 --cc; 1202 if (ISSB16CLASS(sc)) { 1203 if (sbdsp_wdsp(sc, sc->sc_imodep->cmd) < 0 || 1204 sbdsp_wdsp(sc, sc->sc_ibmode) < 0 || 1205 sbdsp16_wait(sc) || 1206 sbdsp_wdsp(sc, cc) < 0 || 1207 sbdsp_wdsp(sc, cc >> 8) < 0) { 1208 DPRINTF(("sbdsp_dma_input: SB16 DMA start failed\n")); 1209 goto giveup; 1210 } 1211 } else { 1212 if (loop) { 1213 DPRINTF(("sbdsp_dma_input: set blocksize=%d\n", cc)); 1214 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1215 sbdsp_wdsp(sc, cc) < 0 || 1216 sbdsp_wdsp(sc, cc >> 8) < 0) { 1217 DPRINTF(("sbdsp_dma_input: SB2 DMA start failed\n")); 1218 goto giveup; 1219 } 1220 if (sbdsp_wdsp(sc, sc->sc_imodep->cmd) < 0) { 1221 DPRINTF(("sbdsp_dma_input: SB2 DMA restart failed\n")); 1222 goto giveup; 1223 } 1224 } else { 1225 if (sbdsp_wdsp(sc, sc->sc_imodep->cmd) < 0 || 1226 sbdsp_wdsp(sc, cc) < 0 || 1227 sbdsp_wdsp(sc, cc >> 8) < 0) { 1228 DPRINTF(("sbdsp_dma_input: SB1 DMA start failed\n")); 1229 goto giveup; 1230 } 1231 } 1232 } 1233 return 0; 1234 1235 giveup: 1236 sbdsp_reset(sc); 1237 return EIO; 1238 1239 badmode: 1240 DPRINTF(("sbdsp_dma_input: can't set mode\n")); 1241 return EIO; 1242 } 1243 1244 int 1245 sbdsp_dma_output(addr, p, cc, intr, arg) 1246 void *addr; 1247 void *p; 1248 int cc; 1249 void (*intr) __P((void *)); 1250 void *arg; 1251 { 1252 struct sbdsp_softc *sc = addr; 1253 int loop = sc->sc_model != SB_1; 1254 int stereo = sc->sc_omodep->channels == 2; 1255 int cmd; 1256 1257 #ifdef AUDIO_DEBUG 1258 if (sbdspdebug > 1) 1259 Dprintf("sbdsp_dma_output: cc=%d 0x%x (0x%x)\n", cc, intr, arg); 1260 #endif 1261 #ifdef DIAGNOSTIC 1262 if (stereo && (cc & 1)) { 1263 DPRINTF(("stereo playback odd bytes (%d)\n", cc)); 1264 return EIO; 1265 } 1266 #endif 1267 1268 if (sc->sc_dmadir != SB_DMA_OUT) { 1269 if (ISSBPRO(sc)) { 1270 /* make sure we re-set stereo mixer bit when we start 1271 output. */ 1272 sbdsp_mix_write(sc, SBP_STEREO, 1273 (sbdsp_mix_read(sc, SBP_STEREO) & ~SBP_PLAYMODE_MASK) | 1274 (stereo ? SBP_PLAYMODE_STEREO : SBP_PLAYMODE_MONO)); 1275 cmd = sc->sc_omodep->cmdchan; 1276 if (cmd && sbdsp_wdsp(sc, cmd) < 0) 1277 goto badmode; 1278 } 1279 1280 if (ISSB16CLASS(sc)) { 1281 if (sbdsp16_set_rate(sc, SB_DSP16_OUTPUTRATE, 1282 sc->sc_orate)) 1283 goto giveup; 1284 } else { 1285 if (sbdsp_set_timeconst(sc, sc->sc_otc)) 1286 goto giveup; 1287 } 1288 1289 sc->sc_dmadir = SB_DMA_OUT; 1290 sc->dmaflags = DMAMODE_WRITE; 1291 if (loop) 1292 sc->dmaflags |= DMAMODE_LOOP; 1293 } else { 1294 /* Already started; just return. */ 1295 if (loop) 1296 return 0; 1297 } 1298 1299 sc->dmaaddr = p; 1300 sc->dmacnt = loop ? (NBPG/cc)*cc : cc; 1301 sc->dmachan = sc->sc_omodep->precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 1302 #ifdef AUDIO_DEBUG 1303 if (sbdspdebug > 1) 1304 Dprintf("sbdsp_dma_output: dmastart %x %p %d %d\n", 1305 sc->dmaflags, sc->dmaaddr, sc->dmacnt, sc->dmachan); 1306 #endif 1307 isa_dmastart(sc->sc_isa, sc->dmachan, sc->dmaaddr, 1308 sc->dmacnt, NULL, sc->dmaflags, BUS_DMA_NOWAIT); 1309 sc->sc_intr = intr; 1310 sc->sc_arg = arg; 1311 1312 if ((sc->sc_model == SB_JAZZ && sc->dmachan > 3) || 1313 (sc->sc_model != SB_JAZZ && sc->sc_omodep->precision == 16)) 1314 cc >>= 1; 1315 --cc; 1316 if (ISSB16CLASS(sc)) { 1317 if (sbdsp_wdsp(sc, sc->sc_omodep->cmd) < 0 || 1318 sbdsp_wdsp(sc, sc->sc_obmode) < 0 || 1319 sbdsp16_wait(sc) || 1320 sbdsp_wdsp(sc, cc) < 0 || 1321 sbdsp_wdsp(sc, cc >> 8) < 0) { 1322 DPRINTF(("sbdsp_dma_output: SB16 DMA start failed\n")); 1323 goto giveup; 1324 } 1325 } else { 1326 if (loop) { 1327 DPRINTF(("sbdsp_dma_output: set blocksize=%d\n", cc)); 1328 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1329 sbdsp_wdsp(sc, cc) < 0 || 1330 sbdsp_wdsp(sc, cc >> 8) < 0) { 1331 DPRINTF(("sbdsp_dma_output: SB2 DMA blocksize failed\n")); 1332 goto giveup; 1333 } 1334 if (sbdsp_wdsp(sc, sc->sc_omodep->cmd) < 0) { 1335 DPRINTF(("sbdsp_dma_output: SB2 DMA start failed\n")); 1336 goto giveup; 1337 } 1338 } else { 1339 if (sbdsp_wdsp(sc, sc->sc_omodep->cmd) < 0 || 1340 sbdsp_wdsp(sc, cc) < 0 || 1341 sbdsp_wdsp(sc, cc >> 8) < 0) { 1342 DPRINTF(("sbdsp_dma_output: SB1 DMA start failed\n")); 1343 goto giveup; 1344 } 1345 } 1346 } 1347 return 0; 1348 1349 giveup: 1350 sbdsp_reset(sc); 1351 return EIO; 1352 1353 badmode: 1354 DPRINTF(("sbdsp_dma_output: can't set mode\n")); 1355 return EIO; 1356 } 1357 1358 /* 1359 * Only the DSP unit on the sound blaster generates interrupts. 1360 * There are three cases of interrupt: reception of a midi byte 1361 * (when mode is enabled), completion of dma transmission, or 1362 * completion of a dma reception. The three modes are mutually 1363 * exclusive so we know a priori which event has occurred. 1364 */ 1365 int 1366 sbdsp_intr(arg) 1367 void *arg; 1368 { 1369 struct sbdsp_softc *sc = arg; 1370 int loop = sc->sc_model != SB_1; 1371 u_char irq; 1372 1373 #ifdef AUDIO_DEBUG 1374 if (sbdspdebug > 1) 1375 Dprintf("sbdsp_intr: intr=0x%x\n", sc->sc_intr); 1376 #endif 1377 if (ISSB16CLASS(sc)) { 1378 irq = sbdsp_mix_read(sc, SBP_IRQ_STATUS); 1379 if ((irq & (SBP_IRQ_DMA8 | SBP_IRQ_DMA16)) == 0) 1380 return 0; 1381 } else { 1382 if (!loop && !isa_dmafinished(sc->sc_isa, sc->dmachan)) 1383 return 0; 1384 irq = SBP_IRQ_DMA8; 1385 } 1386 sc->sc_interrupts++; 1387 delay(10); /* XXX why? */ 1388 #if 0 1389 if (sc->sc_mintr != 0) { 1390 x = sbdsp_rdsp(sc); 1391 (*sc->sc_mintr)(sc->sc_arg, x); 1392 } else 1393 #endif 1394 if (sc->sc_intr != 0) { 1395 /* clear interrupt */ 1396 if (irq & SBP_IRQ_DMA8) 1397 bus_space_read_1(sc->sc_iot, sc->sc_ioh, SBP_DSP_IRQACK8); 1398 if (irq & SBP_IRQ_DMA16) 1399 bus_space_read_1(sc->sc_iot, sc->sc_ioh, SBP_DSP_IRQACK16); 1400 if (!loop) 1401 isa_dmadone(sc->sc_isa, sc->dmachan); 1402 (*sc->sc_intr)(sc->sc_arg); 1403 } else { 1404 return 0; 1405 } 1406 return 1; 1407 } 1408 1409 #if 0 1410 /* 1411 * Enter midi uart mode and arrange for read interrupts 1412 * to vector to `intr'. This puts the card in a mode 1413 * which allows only midi I/O; the card must be reset 1414 * to leave this mode. Unfortunately, the card does not 1415 * use transmit interrupts, so bytes must be output 1416 * using polling. To keep the polling overhead to a 1417 * minimum, output should be driven off a timer. 1418 * This is a little tricky since only 320us separate 1419 * consecutive midi bytes. 1420 */ 1421 void 1422 sbdsp_set_midi_mode(sc, intr, arg) 1423 struct sbdsp_softc *sc; 1424 void (*intr)(); 1425 void *arg; 1426 { 1427 1428 sbdsp_wdsp(sc, SB_MIDI_UART_INTR); 1429 sc->sc_mintr = intr; 1430 sc->sc_intr = 0; 1431 sc->sc_arg = arg; 1432 } 1433 1434 /* 1435 * Write a byte to the midi port, when in midi uart mode. 1436 */ 1437 void 1438 sbdsp_midi_output(sc, v) 1439 struct sbdsp_softc *sc; 1440 int v; 1441 { 1442 1443 if (sbdsp_wdsp(sc, v) < 0) 1444 ++sberr.wmidi; 1445 } 1446 #endif 1447 1448 int 1449 sbdsp_setfd(addr, flag) 1450 void *addr; 1451 int flag; 1452 { 1453 /* Can't do full-duplex */ 1454 return ENOTTY; 1455 } 1456 1457 void 1458 sbdsp_set_mixer_gain(sc, port) 1459 struct sbdsp_softc *sc; 1460 int port; 1461 { 1462 int src, gain; 1463 1464 switch(sc->sc_mixer_model) { 1465 case SBM_NONE: 1466 return; 1467 case SBM_CT1335: 1468 gain = SB_1335_GAIN(sc->gain[port][SB_LEFT]); 1469 switch(port) { 1470 case SB_MASTER_VOL: 1471 src = SBP_1335_MASTER_VOL; 1472 break; 1473 case SB_MIDI_VOL: 1474 src = SBP_1335_MIDI_VOL; 1475 break; 1476 case SB_CD_VOL: 1477 src = SBP_1335_CD_VOL; 1478 break; 1479 case SB_VOICE_VOL: 1480 src = SBP_1335_VOICE_VOL; 1481 gain = SB_1335_MASTER_GAIN(sc->gain[port][SB_LEFT]); 1482 break; 1483 default: 1484 return; 1485 } 1486 sbdsp_mix_write(sc, src, gain); 1487 break; 1488 case SBM_CT1345: 1489 gain = SB_STEREO_GAIN(sc->gain[port][SB_LEFT], 1490 sc->gain[port][SB_RIGHT]); 1491 switch (port) { 1492 case SB_MIC_VOL: 1493 src = SBP_MIC_VOL; 1494 gain = SB_MIC_GAIN(sc->gain[port][SB_LEFT]); 1495 break; 1496 case SB_MASTER_VOL: 1497 src = SBP_MASTER_VOL; 1498 break; 1499 case SB_LINE_IN_VOL: 1500 src = SBP_LINE_VOL; 1501 break; 1502 case SB_VOICE_VOL: 1503 src = SBP_VOICE_VOL; 1504 break; 1505 case SB_MIDI_VOL: 1506 src = SBP_MIDI_VOL; 1507 break; 1508 case SB_CD_VOL: 1509 src = SBP_CD_VOL; 1510 break; 1511 default: 1512 return; 1513 } 1514 sbdsp_mix_write(sc, src, gain); 1515 break; 1516 case SBM_CT1745: 1517 switch (port) { 1518 case SB_MIC_VOL: 1519 src = SB16P_MIC_L; 1520 break; 1521 case SB_MASTER_VOL: 1522 src = SB16P_MASTER_L; 1523 break; 1524 case SB_LINE_IN_VOL: 1525 src = SB16P_LINE_L; 1526 break; 1527 case SB_VOICE_VOL: 1528 src = SB16P_VOICE_L; 1529 break; 1530 case SB_MIDI_VOL: 1531 src = SB16P_MIDI_L; 1532 break; 1533 case SB_CD_VOL: 1534 src = SB16P_CD_L; 1535 break; 1536 case SB_INPUT_GAIN: 1537 src = SB16P_INPUT_GAIN_L; 1538 break; 1539 case SB_OUTPUT_GAIN: 1540 src = SB16P_OUTPUT_GAIN_L; 1541 break; 1542 case SB_TREBLE: 1543 src = SB16P_TREBLE_L; 1544 break; 1545 case SB_BASS: 1546 src = SB16P_BASS_L; 1547 break; 1548 case SB_PCSPEAKER: 1549 sbdsp_mix_write(sc, SB16P_PCSPEAKER, sc->gain[port][SB_LEFT]); 1550 return; 1551 default: 1552 return; 1553 } 1554 sbdsp_mix_write(sc, src, sc->gain[port][SB_LEFT]); 1555 sbdsp_mix_write(sc, SB16P_L_TO_R(src), sc->gain[port][SB_RIGHT]); 1556 break; 1557 } 1558 } 1559 1560 int 1561 sbdsp_mixer_set_port(addr, cp) 1562 void *addr; 1563 mixer_ctrl_t *cp; 1564 { 1565 struct sbdsp_softc *sc = addr; 1566 int lgain, rgain; 1567 1568 DPRINTF(("sbdsp_mixer_set_port: port=%d num_channels=%d\n", cp->dev, 1569 cp->un.value.num_channels)); 1570 1571 if (sc->sc_mixer_model == SBM_NONE) 1572 return EINVAL; 1573 1574 switch (cp->dev) { 1575 case SB_TREBLE: 1576 case SB_BASS: 1577 if (sc->sc_mixer_model == SBM_CT1345) { 1578 if (cp->type != AUDIO_MIXER_ENUM) 1579 return EINVAL; 1580 switch (cp->dev) { 1581 case SB_TREBLE: 1582 sbdsp_set_ifilter(addr, cp->un.ord ? SB_TREBLE : 0); 1583 return 0; 1584 case SB_BASS: 1585 sbdsp_set_ifilter(addr, cp->un.ord ? SB_BASS : 0); 1586 return 0; 1587 } 1588 } 1589 case SB_PCSPEAKER: 1590 case SB_INPUT_GAIN: 1591 case SB_OUTPUT_GAIN: 1592 if (sc->sc_mixer_model != SBM_CT1745) 1593 return EINVAL; 1594 case SB_MIC_VOL: 1595 case SB_LINE_IN_VOL: 1596 if (sc->sc_mixer_model == SBM_CT1335) 1597 return EINVAL; 1598 case SB_VOICE_VOL: 1599 case SB_MIDI_VOL: 1600 case SB_CD_VOL: 1601 case SB_MASTER_VOL: 1602 if (cp->type != AUDIO_MIXER_VALUE) 1603 return EINVAL; 1604 1605 /* 1606 * All the mixer ports are stereo except for the microphone. 1607 * If we get a single-channel gain value passed in, then we 1608 * duplicate it to both left and right channels. 1609 */ 1610 1611 switch (cp->dev) { 1612 case SB_MIC_VOL: 1613 if (cp->un.value.num_channels != 1) 1614 return EINVAL; 1615 1616 lgain = rgain = SB_ADJUST_MIC_GAIN(sc, 1617 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1618 break; 1619 case SB_PCSPEAKER: 1620 if (cp->un.value.num_channels != 1) 1621 return EINVAL; 1622 /* fall into */ 1623 case SB_INPUT_GAIN: 1624 case SB_OUTPUT_GAIN: 1625 lgain = rgain = SB_ADJUST_2_GAIN(sc, 1626 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1627 break; 1628 default: 1629 switch (cp->un.value.num_channels) { 1630 case 1: 1631 lgain = rgain = SB_ADJUST_GAIN(sc, 1632 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1633 break; 1634 case 2: 1635 if (sc->sc_mixer_model == SBM_CT1335) 1636 return EINVAL; 1637 lgain = SB_ADJUST_GAIN(sc, 1638 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]); 1639 rgain = SB_ADJUST_GAIN(sc, 1640 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]); 1641 break; 1642 default: 1643 return EINVAL; 1644 } 1645 break; 1646 } 1647 sc->gain[cp->dev][SB_LEFT] = lgain; 1648 sc->gain[cp->dev][SB_RIGHT] = rgain; 1649 1650 sbdsp_set_mixer_gain(sc, cp->dev); 1651 break; 1652 1653 case SB_RECORD_SOURCE: 1654 if (sc->sc_mixer_model == SBM_CT1745) { 1655 if (cp->type != AUDIO_MIXER_SET) 1656 return EINVAL; 1657 return sbdsp_set_in_ports(sc, cp->un.mask); 1658 } else { 1659 if (cp->type != AUDIO_MIXER_ENUM) 1660 return EINVAL; 1661 return sbdsp_set_in_port(sc, cp->un.ord); 1662 } 1663 break; 1664 1665 case SB_AGC: 1666 if (sc->sc_mixer_model != SBM_CT1745 || cp->type != AUDIO_MIXER_ENUM) 1667 return EINVAL; 1668 sbdsp_mix_write(sc, SB16P_AGC, cp->un.ord & 1); 1669 break; 1670 1671 default: 1672 return EINVAL; 1673 } 1674 1675 return 0; 1676 } 1677 1678 int 1679 sbdsp_mixer_get_port(addr, cp) 1680 void *addr; 1681 mixer_ctrl_t *cp; 1682 { 1683 struct sbdsp_softc *sc = addr; 1684 1685 DPRINTF(("sbdsp_mixer_get_port: port=%d\n", cp->dev)); 1686 1687 if (sc->sc_mixer_model == SBM_NONE) 1688 return EINVAL; 1689 1690 switch (cp->dev) { 1691 case SB_TREBLE: 1692 case SB_BASS: 1693 if (sc->sc_mixer_model == SBM_CT1345) { 1694 switch (cp->dev) { 1695 case SB_TREBLE: 1696 cp->un.ord = sbdsp_get_ifilter(addr) == SB_TREBLE; 1697 return 0; 1698 case SB_BASS: 1699 cp->un.ord = sbdsp_get_ifilter(addr) == SB_BASS; 1700 return 0; 1701 } 1702 } 1703 case SB_PCSPEAKER: 1704 case SB_INPUT_GAIN: 1705 case SB_OUTPUT_GAIN: 1706 if (sc->sc_mixer_model != SBM_CT1745) 1707 return EINVAL; 1708 case SB_MIC_VOL: 1709 case SB_LINE_IN_VOL: 1710 if (sc->sc_mixer_model == SBM_CT1335) 1711 return EINVAL; 1712 case SB_VOICE_VOL: 1713 case SB_MIDI_VOL: 1714 case SB_CD_VOL: 1715 case SB_MASTER_VOL: 1716 switch (cp->dev) { 1717 case SB_MIC_VOL: 1718 case SB_PCSPEAKER: 1719 if (cp->un.value.num_channels != 1) 1720 return EINVAL; 1721 /* fall into */ 1722 default: 1723 switch (cp->un.value.num_channels) { 1724 case 1: 1725 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1726 sc->gain[cp->dev][SB_LEFT]; 1727 break; 1728 case 2: 1729 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 1730 sc->gain[cp->dev][SB_LEFT]; 1731 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 1732 sc->gain[cp->dev][SB_RIGHT]; 1733 break; 1734 default: 1735 return EINVAL; 1736 } 1737 break; 1738 } 1739 break; 1740 1741 case SB_RECORD_SOURCE: 1742 if (sc->sc_mixer_model == SBM_CT1745) 1743 cp->un.mask = sc->in_mask; 1744 else 1745 cp->un.ord = sc->in_port; 1746 break; 1747 1748 case SB_AGC: 1749 if (sc->sc_mixer_model != SBM_CT1745) 1750 return EINVAL; 1751 cp->un.ord = sbdsp_mix_read(sc, SB16P_AGC); 1752 break; 1753 1754 default: 1755 return EINVAL; 1756 } 1757 1758 return 0; 1759 } 1760 1761 int 1762 sbdsp_mixer_query_devinfo(addr, dip) 1763 void *addr; 1764 mixer_devinfo_t *dip; 1765 { 1766 struct sbdsp_softc *sc = addr; 1767 int chan, class; 1768 1769 DPRINTF(("sbdsp_mixer_query_devinfo: model=%d index=%d\n", 1770 sc->sc_mixer_model, dip->index)); 1771 1772 if (sc->sc_mixer_model == SBM_NONE) 1773 return ENXIO; 1774 1775 chan = sc->sc_mixer_model == SBM_CT1335 ? 1 : 2; 1776 class = sc->sc_mixer_model == SBM_CT1745 ? SB_INPUT_CLASS : SB_OUTPUT_CLASS; 1777 1778 switch (dip->index) { 1779 case SB_MASTER_VOL: 1780 dip->type = AUDIO_MIXER_VALUE; 1781 dip->mixer_class = SB_OUTPUT_CLASS; 1782 dip->prev = dip->next = AUDIO_MIXER_LAST; 1783 strcpy(dip->label.name, AudioNmaster); 1784 dip->un.v.num_channels = chan; 1785 strcpy(dip->un.v.units.name, AudioNvolume); 1786 return 0; 1787 case SB_MIDI_VOL: 1788 dip->type = AUDIO_MIXER_VALUE; 1789 dip->mixer_class = class; 1790 dip->prev = AUDIO_MIXER_LAST; 1791 dip->next = AUDIO_MIXER_LAST; 1792 strcpy(dip->label.name, AudioNfmsynth); 1793 dip->un.v.num_channels = chan; 1794 strcpy(dip->un.v.units.name, AudioNvolume); 1795 return 0; 1796 case SB_CD_VOL: 1797 dip->type = AUDIO_MIXER_VALUE; 1798 dip->mixer_class = class; 1799 dip->prev = AUDIO_MIXER_LAST; 1800 dip->next = AUDIO_MIXER_LAST; 1801 strcpy(dip->label.name, AudioNcd); 1802 dip->un.v.num_channels = chan; 1803 strcpy(dip->un.v.units.name, AudioNvolume); 1804 return 0; 1805 case SB_VOICE_VOL: 1806 dip->type = AUDIO_MIXER_VALUE; 1807 dip->mixer_class = class; 1808 dip->prev = AUDIO_MIXER_LAST; 1809 dip->next = AUDIO_MIXER_LAST; 1810 strcpy(dip->label.name, AudioNdac); 1811 dip->un.v.num_channels = chan; 1812 strcpy(dip->un.v.units.name, AudioNvolume); 1813 return 0; 1814 case SB_OUTPUT_CLASS: 1815 dip->type = AUDIO_MIXER_CLASS; 1816 dip->mixer_class = SB_OUTPUT_CLASS; 1817 dip->next = dip->prev = AUDIO_MIXER_LAST; 1818 strcpy(dip->label.name, AudioCOutputs); 1819 return 0; 1820 } 1821 1822 if (sc->sc_mixer_model == SBM_CT1335) 1823 return ENXIO; 1824 1825 switch (dip->index) { 1826 case SB_MIC_VOL: 1827 dip->type = AUDIO_MIXER_VALUE; 1828 dip->mixer_class = class; 1829 dip->prev = AUDIO_MIXER_LAST; 1830 dip->next = AUDIO_MIXER_LAST; 1831 strcpy(dip->label.name, AudioNmicrophone); 1832 dip->un.v.num_channels = 1; 1833 strcpy(dip->un.v.units.name, AudioNvolume); 1834 return 0; 1835 1836 case SB_LINE_IN_VOL: 1837 dip->type = AUDIO_MIXER_VALUE; 1838 dip->mixer_class = class; 1839 dip->prev = AUDIO_MIXER_LAST; 1840 dip->next = AUDIO_MIXER_LAST; 1841 strcpy(dip->label.name, AudioNline); 1842 dip->un.v.num_channels = 2; 1843 strcpy(dip->un.v.units.name, AudioNvolume); 1844 return 0; 1845 1846 case SB_RECORD_SOURCE: 1847 dip->mixer_class = SB_RECORD_CLASS; 1848 dip->prev = dip->next = AUDIO_MIXER_LAST; 1849 strcpy(dip->label.name, AudioNsource); 1850 if (sc->sc_mixer_model == SBM_CT1745) { 1851 dip->type = AUDIO_MIXER_SET; 1852 dip->un.s.num_mem = 4; 1853 strcpy(dip->un.s.member[0].label.name, AudioNmicrophone); 1854 dip->un.s.member[0].mask = 1 << SB_MIC_VOL; 1855 strcpy(dip->un.s.member[1].label.name, AudioNcd); 1856 dip->un.s.member[1].mask = 1 << SB_CD_VOL; 1857 strcpy(dip->un.s.member[2].label.name, AudioNline); 1858 dip->un.s.member[2].mask = 1 << SB_LINE_IN_VOL; 1859 strcpy(dip->un.s.member[3].label.name, AudioNfmsynth); 1860 dip->un.s.member[3].mask = 1 << SB_MIDI_VOL; 1861 } else { 1862 dip->type = AUDIO_MIXER_ENUM; 1863 dip->un.e.num_mem = 3; 1864 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone); 1865 dip->un.e.member[0].ord = SB_MIC_VOL; 1866 strcpy(dip->un.e.member[1].label.name, AudioNcd); 1867 dip->un.e.member[1].ord = SB_CD_VOL; 1868 strcpy(dip->un.e.member[2].label.name, AudioNline); 1869 dip->un.e.member[2].ord = SB_LINE_IN_VOL; 1870 } 1871 return 0; 1872 1873 case SB_BASS: 1874 dip->prev = dip->next = AUDIO_MIXER_LAST; 1875 strcpy(dip->label.name, AudioNbass); 1876 if (sc->sc_mixer_model == SBM_CT1745) { 1877 dip->type = AUDIO_MIXER_VALUE; 1878 dip->mixer_class = SB_EQUALIZATION_CLASS; 1879 dip->un.v.num_channels = 2; 1880 strcpy(dip->un.v.units.name, AudioNbass); 1881 } else { 1882 dip->type = AUDIO_MIXER_ENUM; 1883 dip->mixer_class = SB_INPUT_CLASS; 1884 dip->un.e.num_mem = 2; 1885 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1886 dip->un.e.member[0].ord = 0; 1887 strcpy(dip->un.e.member[1].label.name, AudioNon); 1888 dip->un.e.member[1].ord = 1; 1889 } 1890 return 0; 1891 1892 case SB_TREBLE: 1893 dip->prev = dip->next = AUDIO_MIXER_LAST; 1894 strcpy(dip->label.name, AudioNtreble); 1895 if (sc->sc_mixer_model == SBM_CT1745) { 1896 dip->type = AUDIO_MIXER_VALUE; 1897 dip->mixer_class = SB_EQUALIZATION_CLASS; 1898 dip->un.v.num_channels = 2; 1899 strcpy(dip->un.v.units.name, AudioNtreble); 1900 } else { 1901 dip->type = AUDIO_MIXER_ENUM; 1902 dip->mixer_class = SB_INPUT_CLASS; 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 } 1909 return 0; 1910 1911 case SB_RECORD_CLASS: /* record source class */ 1912 dip->type = AUDIO_MIXER_CLASS; 1913 dip->mixer_class = SB_RECORD_CLASS; 1914 dip->next = dip->prev = AUDIO_MIXER_LAST; 1915 strcpy(dip->label.name, AudioCRecord); 1916 return 0; 1917 1918 } 1919 1920 if (sc->sc_mixer_model == SBM_CT1345) 1921 return ENXIO; 1922 1923 switch(dip->index) { 1924 case SB_PCSPEAKER: 1925 dip->type = AUDIO_MIXER_VALUE; 1926 dip->mixer_class = SB_INPUT_CLASS; 1927 dip->prev = dip->next = AUDIO_MIXER_LAST; 1928 strcpy(dip->label.name, "pc_speaker"); 1929 dip->un.v.num_channels = 1; 1930 strcpy(dip->un.v.units.name, AudioNvolume); 1931 return 0; 1932 1933 case SB_INPUT_GAIN: 1934 dip->type = AUDIO_MIXER_VALUE; 1935 dip->mixer_class = SB_INPUT_CLASS; 1936 dip->prev = dip->next = AUDIO_MIXER_LAST; 1937 strcpy(dip->label.name, AudioNinput); 1938 dip->un.v.num_channels = 2; 1939 strcpy(dip->un.v.units.name, AudioNvolume); 1940 return 0; 1941 1942 case SB_OUTPUT_GAIN: 1943 dip->type = AUDIO_MIXER_VALUE; 1944 dip->mixer_class = SB_OUTPUT_CLASS; 1945 dip->prev = dip->next = AUDIO_MIXER_LAST; 1946 strcpy(dip->label.name, AudioNoutput); 1947 dip->un.v.num_channels = 2; 1948 strcpy(dip->un.v.units.name, AudioNvolume); 1949 return 0; 1950 1951 case SB_AGC: 1952 dip->type = AUDIO_MIXER_ENUM; 1953 dip->mixer_class = SB_INPUT_CLASS; 1954 dip->prev = dip->next = AUDIO_MIXER_LAST; 1955 strcpy(dip->label.name, "AGC"); 1956 dip->un.e.num_mem = 2; 1957 strcpy(dip->un.e.member[0].label.name, AudioNoff); 1958 dip->un.e.member[0].ord = 0; 1959 strcpy(dip->un.e.member[1].label.name, AudioNon); 1960 dip->un.e.member[1].ord = 1; 1961 return 0; 1962 1963 case SB_INPUT_CLASS: 1964 dip->type = AUDIO_MIXER_CLASS; 1965 dip->mixer_class = SB_INPUT_CLASS; 1966 dip->next = dip->prev = AUDIO_MIXER_LAST; 1967 strcpy(dip->label.name, AudioCInputs); 1968 return 0; 1969 1970 case SB_EQUALIZATION_CLASS: 1971 dip->type = AUDIO_MIXER_CLASS; 1972 dip->mixer_class = SB_EQUALIZATION_CLASS; 1973 dip->next = dip->prev = AUDIO_MIXER_LAST; 1974 strcpy(dip->label.name, AudioCEqualization); 1975 return 0; 1976 } 1977 1978 return ENXIO; 1979 } 1980
Indexes created Sat Sep 27 14:09:57 GMT 2025