cs4231.c revision 1.21.2.1
1/* $NetBSD: cs4231.c,v 1.21.2.1 2008/05/18 12:33:42 yamt Exp $ */ 2 3/*- 4 * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Kranenburg. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> 33__KERNEL_RCSID(0, "$NetBSD: cs4231.c,v 1.21.2.1 2008/05/18 12:33:42 yamt Exp $"); 34 35#include "audio.h" 36#if NAUDIO > 0 37 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/errno.h> 41#include <sys/device.h> 42#include <sys/malloc.h> 43 44#include <machine/autoconf.h> 45#include <machine/bus.h> 46#include <sys/cpu.h> 47 48#include <sys/audioio.h> 49#include <dev/audio_if.h> 50 51#include <dev/ic/ad1848reg.h> 52#include <dev/ic/cs4231reg.h> 53#include <dev/ic/ad1848var.h> 54#include <dev/ic/cs4231var.h> 55 56/*---*/ 57#define CSAUDIO_DAC_LVL 0 58#define CSAUDIO_LINE_IN_LVL 1 59#define CSAUDIO_MONO_LVL 2 60#define CSAUDIO_CD_LVL 3 61#define CSAUDIO_OUTPUT_LVL 4 62#define CSAUDIO_OUT_LVL 5 63#define CSAUDIO_LINE_IN_MUTE 6 64#define CSAUDIO_DAC_MUTE 7 65#define CSAUDIO_CD_MUTE 8 66#define CSAUDIO_MONO_MUTE 9 67#define CSAUDIO_OUTPUT_MUTE 10 68#define CSAUDIO_OUT_MUTE 11 69#define CSAUDIO_REC_LVL 12 70#define CSAUDIO_RECORD_SOURCE 13 71 72#define CSAUDIO_INPUT_CLASS 14 73#define CSAUDIO_MONITOR_CLASS 15 74#define CSAUDIO_RECORD_CLASS 16 75 76#ifdef AUDIO_DEBUG 77int cs4231_debug = 0; 78#define DPRINTF(x) if (cs4231_debug) printf x 79#else 80#define DPRINTF(x) 81#endif 82 83struct audio_device cs4231_device = { 84 "cs4231", 85 "x", 86 "audio" 87}; 88 89 90/* ad1848 sc_{read,write}reg */ 91static int cs4231_read(struct ad1848_softc *, int); 92static void cs4231_write(struct ad1848_softc *, int, int); 93 94int 95cs4231_read(struct ad1848_softc *sc, int index) 96{ 97 98 return bus_space_read_1(sc->sc_iot, sc->sc_ioh, (index << 2)); 99} 100 101void 102cs4231_write(struct ad1848_softc *sc, int index, int value) 103{ 104 105 bus_space_write_1(sc->sc_iot, sc->sc_ioh, (index << 2), value); 106} 107 108 109void 110cs4231_common_attach(struct cs4231_softc *sc, bus_space_handle_t ioh) 111{ 112 char *buf; 113 int reg; 114 115 sc->sc_ad1848.parent = sc; 116 sc->sc_ad1848.sc_iot = sc->sc_bustag; 117 sc->sc_ad1848.sc_ioh = ioh; 118 sc->sc_ad1848.sc_readreg = cs4231_read; 119 sc->sc_ad1848.sc_writereg = cs4231_write; 120 121 sc->sc_playback.t_name = "playback"; 122 sc->sc_capture.t_name = "capture"; 123 124 evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, 125 NULL, 126 device_xname(&sc->sc_ad1848.sc_dev), "total"); 127 128 evcnt_attach_dynamic(&sc->sc_playback.t_intrcnt, EVCNT_TYPE_INTR, 129 &sc->sc_intrcnt, 130 device_xname(&sc->sc_ad1848.sc_dev), "playback"); 131 132 evcnt_attach_dynamic(&sc->sc_playback.t_ierrcnt, EVCNT_TYPE_INTR, 133 &sc->sc_intrcnt, 134 device_xname(&sc->sc_ad1848.sc_dev), "perrors"); 135 136 evcnt_attach_dynamic(&sc->sc_capture.t_intrcnt, EVCNT_TYPE_INTR, 137 &sc->sc_intrcnt, 138 device_xname(&sc->sc_ad1848.sc_dev), "capture"); 139 140 evcnt_attach_dynamic(&sc->sc_capture.t_ierrcnt, EVCNT_TYPE_INTR, 141 &sc->sc_intrcnt, 142 device_xname(&sc->sc_ad1848.sc_dev), "cerrors"); 143 144 /* put chip in native mode to access (extended) ID register */ 145 reg = ad_read(&sc->sc_ad1848, SP_MISC_INFO); 146 ad_write(&sc->sc_ad1848, SP_MISC_INFO, reg | MODE2); 147 148 /* read version numbers from I25 */ 149 reg = ad_read(&sc->sc_ad1848, CS_VERSION_ID); 150 switch (reg & (CS_VERSION_NUMBER | CS_VERSION_CHIPID)) { 151 case 0xa0: 152 sc->sc_ad1848.chip_name = "CS4231A"; 153 break; 154 case 0x80: 155 sc->sc_ad1848.chip_name = "CS4231"; 156 break; 157 case 0x82: 158 sc->sc_ad1848.chip_name = "CS4232"; 159 break; 160 case 0xa2: 161 sc->sc_ad1848.chip_name = "CS4232C"; 162 break; 163 default: 164 if ((buf = malloc(32, M_TEMP, M_NOWAIT)) != NULL) { 165 snprintf(buf, 32, "unknown rev: %x/%x", 166 reg&0xe0, reg&7); 167 sc->sc_ad1848.chip_name = buf; 168 } 169 } 170 171 sc->sc_ad1848.mode = 2; /* put ad1848 driver in `MODE 2' mode */ 172 ad1848_attach(&sc->sc_ad1848); 173} 174 175void * 176cs4231_malloc(void *addr, int direction, size_t size, 177 struct malloc_type *pool, int flags) 178{ 179 struct cs4231_softc *sc; 180 bus_dma_tag_t dmatag; 181 struct cs_dma *p; 182 183 sc = addr; 184 dmatag = sc->sc_dmatag; 185 p = malloc(sizeof(*p), pool, flags); 186 if (p == NULL) 187 return NULL; 188 189 /* Allocate a DMA map */ 190 if (bus_dmamap_create(dmatag, size, 1, size, 0, 191 BUS_DMA_NOWAIT, &p->dmamap) != 0) 192 goto fail1; 193 194 /* Allocate DMA memory */ 195 p->size = size; 196 if (bus_dmamem_alloc(dmatag, size, 64*1024, 0, 197 p->segs, sizeof(p->segs)/sizeof(p->segs[0]), 198 &p->nsegs, BUS_DMA_NOWAIT) != 0) 199 goto fail2; 200 201 /* Map DMA memory into kernel space */ 202 if (bus_dmamem_map(dmatag, p->segs, p->nsegs, p->size, 203 &p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0) 204 goto fail3; 205 206 /* Load the buffer */ 207 if (bus_dmamap_load(dmatag, p->dmamap, 208 p->addr, size, NULL, BUS_DMA_NOWAIT) != 0) 209 goto fail4; 210 211 p->next = sc->sc_dmas; 212 sc->sc_dmas = p; 213 return p->addr; 214 215fail4: 216 bus_dmamem_unmap(dmatag, p->addr, p->size); 217fail3: 218 bus_dmamem_free(dmatag, p->segs, p->nsegs); 219fail2: 220 bus_dmamap_destroy(dmatag, p->dmamap); 221fail1: 222 free(p, pool); 223 return NULL; 224} 225 226void 227cs4231_free(void *addr, void *ptr, struct malloc_type *pool) 228{ 229 struct cs4231_softc *sc; 230 bus_dma_tag_t dmatag; 231 struct cs_dma *p, **pp; 232 233 sc = addr; 234 dmatag = sc->sc_dmatag; 235 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &(*pp)->next) { 236 if (p->addr != ptr) 237 continue; 238 bus_dmamap_unload(dmatag, p->dmamap); 239 bus_dmamem_unmap(dmatag, p->addr, p->size); 240 bus_dmamem_free(dmatag, p->segs, p->nsegs); 241 bus_dmamap_destroy(dmatag, p->dmamap); 242 *pp = p->next; 243 free(p, pool); 244 return; 245 } 246 printf("cs4231_free: rogue pointer\n"); 247} 248 249 250/* 251 * Set up transfer and return DMA address and byte count in paddr and psize 252 * for bus dependent trigger_{in,out}put to load into the DMA controller. 253 */ 254int 255cs4231_transfer_init( 256 struct cs4231_softc *sc, 257 struct cs_transfer *t, 258 bus_addr_t *paddr, 259 bus_size_t *psize, 260 void *start, void *end, 261 int blksize, 262 void (*intr)(void *), 263 void *arg) 264{ 265 struct cs_dma *p; 266 vsize_t n; 267 268 if (t->t_active) { 269 printf("%s: %s already running\n", 270 device_xname(&sc->sc_ad1848.sc_dev), t->t_name); 271 return EINVAL; 272 } 273 274 t->t_intr = intr; 275 t->t_arg = arg; 276 277 for (p = sc->sc_dmas; p != NULL && p->addr != start; p = p->next) 278 continue; 279 if (p == NULL) { 280 printf("%s: bad %s addr %p\n", 281 device_xname(&sc->sc_ad1848.sc_dev), t->t_name, start); 282 return EINVAL; 283 } 284 285 n = (char *)end - (char *)start; 286 287 t->t_dma = p; /* the DMA memory segment */ 288 t->t_segsz = n; /* size of DMA segment */ 289 t->t_blksz = blksize; /* do transfers in blksize chunks */ 290 291 if (n > t->t_blksz) 292 n = t->t_blksz; 293 294 t->t_cnt = n; 295 296 /* for caller to load into DMA controller */ 297 *paddr = t->t_dma->dmamap->dm_segs[0].ds_addr; 298 *psize = n; 299 300 DPRINTF(("%s: init %s: [%p..%p] %lu bytes %lu blocks;" 301 " DMA at 0x%lx count %lu\n", 302 device_xname(&sc->sc_ad1848.sc_dev), t->t_name, 303 start, end, (u_long)t->t_segsz, (u_long)t->t_blksz, 304 (u_long)*paddr, (u_long)*psize)); 305 306 t->t_active = 1; 307 return 0; 308} 309 310/* 311 * Compute next DMA address/counter, update transfer status. 312 */ 313void 314cs4231_transfer_advance(struct cs_transfer *t, bus_addr_t *paddr, 315 bus_size_t *psize) 316{ 317 bus_addr_t dmabase, nextaddr; 318 bus_size_t togo; 319 320 dmabase = t->t_dma->dmamap->dm_segs[0].ds_addr; 321 322 togo = t->t_segsz - t->t_cnt; 323 if (togo == 0) { /* roll over */ 324 nextaddr = dmabase; 325 t->t_cnt = togo = t->t_blksz; 326 } else { 327 nextaddr = dmabase + t->t_cnt; 328 if (togo > t->t_blksz) 329 togo = t->t_blksz; 330 t->t_cnt += togo; 331 } 332 333 /* for caller to load into DMA controller */ 334 *paddr = nextaddr; 335 *psize = togo; 336} 337 338 339int 340cs4231_open(void *addr, int flags) 341{ 342 struct cs4231_softc *sc; 343 344 sc = addr; 345 DPRINTF(("sa_open: unit %p\n", sc)); 346 347 sc->sc_playback.t_active = 0; 348 sc->sc_playback.t_intr = NULL; 349 sc->sc_playback.t_arg = NULL; 350 351 sc->sc_capture.t_active = 0; 352 sc->sc_capture.t_intr = NULL; 353 sc->sc_capture.t_arg = NULL; 354 355 /* no interrupts from ad1848 */ 356 ad_write(&sc->sc_ad1848, SP_PIN_CONTROL, 0); 357 ad1848_reset(&sc->sc_ad1848); 358 359 DPRINTF(("sa_open: ok -> sc=%p\n", sc)); 360 return 0; 361} 362 363void 364cs4231_close(void *addr) 365{ 366 367 DPRINTF(("sa_close: sc=%p\n", addr)); 368 369 /* audio(9) already called halt methods */ 370 371 DPRINTF(("sa_close: closed.\n")); 372} 373 374int 375cs4231_getdev(void *addr, struct audio_device *retp) 376{ 377 378 *retp = cs4231_device; 379 return 0; 380} 381 382static const ad1848_devmap_t csmapping[] = { 383 { CSAUDIO_DAC_LVL, AD1848_KIND_LVL, AD1848_AUX1_CHANNEL }, 384 { CSAUDIO_LINE_IN_LVL, AD1848_KIND_LVL, AD1848_LINE_CHANNEL }, 385 { CSAUDIO_MONO_LVL, AD1848_KIND_LVL, AD1848_MONO_CHANNEL }, 386 { CSAUDIO_CD_LVL, AD1848_KIND_LVL, AD1848_AUX2_CHANNEL }, 387 { CSAUDIO_OUTPUT_LVL, AD1848_KIND_LVL, AD1848_MONITOR_CHANNEL }, 388 { CSAUDIO_OUT_LVL, AD1848_KIND_LVL, AD1848_DAC_CHANNEL }, 389 { CSAUDIO_DAC_MUTE, AD1848_KIND_MUTE, AD1848_AUX1_CHANNEL }, 390 { CSAUDIO_LINE_IN_MUTE, AD1848_KIND_MUTE, AD1848_LINE_CHANNEL }, 391 { CSAUDIO_MONO_MUTE, AD1848_KIND_MUTE, AD1848_MONO_CHANNEL }, 392 { CSAUDIO_CD_MUTE, AD1848_KIND_MUTE, AD1848_AUX2_CHANNEL }, 393 { CSAUDIO_OUTPUT_MUTE, AD1848_KIND_MUTE, AD1848_MONITOR_CHANNEL }, 394 { CSAUDIO_OUT_MUTE, AD1848_KIND_MUTE, AD1848_OUT_CHANNEL }, 395 { CSAUDIO_REC_LVL, AD1848_KIND_RECORDGAIN, -1 }, 396 { CSAUDIO_RECORD_SOURCE, AD1848_KIND_RECORDSOURCE, -1 } 397}; 398 399static int nummap = sizeof(csmapping) / sizeof(csmapping[0]); 400 401 402int 403cs4231_set_port(void *addr, mixer_ctrl_t *cp) 404{ 405 struct ad1848_softc *ac; 406 407 DPRINTF(("cs4231_set_port: port=%d", cp->dev)); 408 ac = addr; 409 return ad1848_mixer_set_port(ac, csmapping, nummap, cp); 410} 411 412int 413cs4231_get_port(void *addr, mixer_ctrl_t *cp) 414{ 415 struct ad1848_softc *ac; 416 417 DPRINTF(("cs4231_get_port: port=%d", cp->dev)); 418 ac = addr; 419 return ad1848_mixer_get_port(ac, csmapping, nummap, cp); 420} 421 422int 423cs4231_get_props(void *addr) 424{ 425 426 return AUDIO_PROP_FULLDUPLEX; 427} 428 429int 430cs4231_query_devinfo(void *addr, mixer_devinfo_t *dip) 431{ 432 433 switch(dip->index) { 434 435 case CSAUDIO_DAC_LVL: /* dacout */ 436 dip->type = AUDIO_MIXER_VALUE; 437 dip->mixer_class = CSAUDIO_INPUT_CLASS; 438 dip->prev = AUDIO_MIXER_LAST; 439 dip->next = CSAUDIO_DAC_MUTE; 440 strcpy(dip->label.name, AudioNdac); 441 dip->un.v.num_channels = 2; 442 strcpy(dip->un.v.units.name, AudioNvolume); 443 break; 444 445 case CSAUDIO_LINE_IN_LVL: /* line */ 446 dip->type = AUDIO_MIXER_VALUE; 447 dip->mixer_class = CSAUDIO_INPUT_CLASS; 448 dip->prev = AUDIO_MIXER_LAST; 449 dip->next = CSAUDIO_LINE_IN_MUTE; 450 strcpy(dip->label.name, AudioNline); 451 dip->un.v.num_channels = 2; 452 strcpy(dip->un.v.units.name, AudioNvolume); 453 break; 454 455 case CSAUDIO_MONO_LVL: /* mono/microphone mixer */ 456 dip->type = AUDIO_MIXER_VALUE; 457 dip->mixer_class = CSAUDIO_INPUT_CLASS; 458 dip->prev = AUDIO_MIXER_LAST; 459 dip->next = CSAUDIO_MONO_MUTE; 460 strcpy(dip->label.name, AudioNmicrophone); 461 dip->un.v.num_channels = 1; 462 strcpy(dip->un.v.units.name, AudioNvolume); 463 break; 464 465 case CSAUDIO_CD_LVL: /* cd */ 466 dip->type = AUDIO_MIXER_VALUE; 467 dip->mixer_class = CSAUDIO_INPUT_CLASS; 468 dip->prev = AUDIO_MIXER_LAST; 469 dip->next = CSAUDIO_CD_MUTE; 470 strcpy(dip->label.name, AudioNcd); 471 dip->un.v.num_channels = 2; 472 strcpy(dip->un.v.units.name, AudioNvolume); 473 break; 474 475 476 case CSAUDIO_OUTPUT_LVL: /* monitor level */ 477 dip->type = AUDIO_MIXER_VALUE; 478 dip->mixer_class = CSAUDIO_MONITOR_CLASS; 479 dip->next = CSAUDIO_OUTPUT_MUTE; 480 dip->prev = AUDIO_MIXER_LAST; 481 strcpy(dip->label.name, AudioNmonitor); 482 dip->un.v.num_channels = 1; 483 strcpy(dip->un.v.units.name, AudioNvolume); 484 break; 485 486 case CSAUDIO_OUT_LVL: /* cs4231 output volume */ 487 dip->type = AUDIO_MIXER_VALUE; 488 dip->mixer_class = CSAUDIO_MONITOR_CLASS; 489 dip->next = dip->prev = AUDIO_MIXER_LAST; 490 strcpy(dip->label.name, AudioNmaster); 491 dip->un.v.num_channels = 2; 492 strcpy(dip->un.v.units.name, AudioNvolume); 493 break; 494 495 case CSAUDIO_OUT_MUTE: /* mute built-in speaker */ 496 dip->mixer_class = CSAUDIO_MONITOR_CLASS; 497 dip->type = AUDIO_MIXER_ENUM; 498 dip->prev = CSAUDIO_MONITOR_CLASS; 499 dip->next = AUDIO_MIXER_LAST; 500 strcpy(dip->label.name, AudioNmono); 501 /* names reversed, this is a "mute" value used as "mono enabled" */ 502 dip->un.e.num_mem = 2; 503 strcpy(dip->un.e.member[0].label.name, AudioNon); 504 dip->un.e.member[0].ord = 0; 505 strcpy(dip->un.e.member[1].label.name, AudioNoff); 506 dip->un.e.member[1].ord = 1; 507 break; 508 509 case CSAUDIO_LINE_IN_MUTE: 510 dip->mixer_class = CSAUDIO_INPUT_CLASS; 511 dip->type = AUDIO_MIXER_ENUM; 512 dip->prev = CSAUDIO_LINE_IN_LVL; 513 dip->next = AUDIO_MIXER_LAST; 514 goto mute; 515 516 case CSAUDIO_DAC_MUTE: 517 dip->mixer_class = CSAUDIO_INPUT_CLASS; 518 dip->type = AUDIO_MIXER_ENUM; 519 dip->prev = CSAUDIO_DAC_LVL; 520 dip->next = AUDIO_MIXER_LAST; 521 goto mute; 522 523 case CSAUDIO_CD_MUTE: 524 dip->mixer_class = CSAUDIO_INPUT_CLASS; 525 dip->type = AUDIO_MIXER_ENUM; 526 dip->prev = CSAUDIO_CD_LVL; 527 dip->next = AUDIO_MIXER_LAST; 528 goto mute; 529 530 case CSAUDIO_MONO_MUTE: 531 dip->mixer_class = CSAUDIO_INPUT_CLASS; 532 dip->type = AUDIO_MIXER_ENUM; 533 dip->prev = CSAUDIO_MONO_LVL; 534 dip->next = AUDIO_MIXER_LAST; 535 goto mute; 536 537 case CSAUDIO_OUTPUT_MUTE: 538 dip->mixer_class = CSAUDIO_MONITOR_CLASS; 539 dip->type = AUDIO_MIXER_ENUM; 540 dip->prev = CSAUDIO_OUTPUT_LVL; 541 dip->next = AUDIO_MIXER_LAST; 542 mute: 543 strcpy(dip->label.name, AudioNmute); 544 dip->un.e.num_mem = 2; 545 strcpy(dip->un.e.member[0].label.name, AudioNoff); 546 dip->un.e.member[0].ord = 0; 547 strcpy(dip->un.e.member[1].label.name, AudioNon); 548 dip->un.e.member[1].ord = 1; 549 break; 550 551 case CSAUDIO_REC_LVL: /* record level */ 552 dip->type = AUDIO_MIXER_VALUE; 553 dip->mixer_class = CSAUDIO_RECORD_CLASS; 554 dip->prev = AUDIO_MIXER_LAST; 555 dip->next = CSAUDIO_RECORD_SOURCE; 556 strcpy(dip->label.name, AudioNrecord); 557 dip->un.v.num_channels = 2; 558 strcpy(dip->un.v.units.name, AudioNvolume); 559 break; 560 561 case CSAUDIO_RECORD_SOURCE: 562 dip->mixer_class = CSAUDIO_RECORD_CLASS; 563 dip->type = AUDIO_MIXER_ENUM; 564 dip->prev = CSAUDIO_REC_LVL; 565 dip->next = AUDIO_MIXER_LAST; 566 strcpy(dip->label.name, AudioNsource); 567 dip->un.e.num_mem = 4; 568 strcpy(dip->un.e.member[0].label.name, AudioNoutput); 569 dip->un.e.member[0].ord = DAC_IN_PORT; 570 strcpy(dip->un.e.member[1].label.name, AudioNmicrophone); 571 dip->un.e.member[1].ord = MIC_IN_PORT; 572 strcpy(dip->un.e.member[2].label.name, AudioNdac); 573 dip->un.e.member[2].ord = AUX1_IN_PORT; 574 strcpy(dip->un.e.member[3].label.name, AudioNline); 575 dip->un.e.member[3].ord = LINE_IN_PORT; 576 break; 577 578 case CSAUDIO_INPUT_CLASS: /* input class descriptor */ 579 dip->type = AUDIO_MIXER_CLASS; 580 dip->mixer_class = CSAUDIO_INPUT_CLASS; 581 dip->next = dip->prev = AUDIO_MIXER_LAST; 582 strcpy(dip->label.name, AudioCinputs); 583 break; 584 585 case CSAUDIO_MONITOR_CLASS: /* output class descriptor */ 586 dip->type = AUDIO_MIXER_CLASS; 587 dip->mixer_class = CSAUDIO_MONITOR_CLASS; 588 dip->next = dip->prev = AUDIO_MIXER_LAST; 589 strcpy(dip->label.name, AudioCmonitor); 590 break; 591 592 case CSAUDIO_RECORD_CLASS: /* record source class */ 593 dip->type = AUDIO_MIXER_CLASS; 594 dip->mixer_class = CSAUDIO_RECORD_CLASS; 595 dip->next = dip->prev = AUDIO_MIXER_LAST; 596 strcpy(dip->label.name, AudioCrecord); 597 break; 598 599 default: 600 return ENXIO; 601 /*NOTREACHED*/ 602 } 603 DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name)); 604 605 return 0; 606} 607 608#endif /* NAUDIO > 0 */ 609