wss.c revision 1.13 1 /* $NetBSD: wss.c,v 1.13 1996/05/12 23:54:16 mycroft Exp $ */
2
3 /*
4 * Copyright (c) 1994 John Brezak
5 * Copyright (c) 1991-1993 Regents of the University of California.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the Computer Systems
19 * Engineering Group at Lawrence Berkeley Laboratory.
20 * 4. Neither the name of the University nor of the Laboratory may be used
21 * to endorse or promote products derived from this software without
22 * specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 */
37
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/errno.h>
41 #include <sys/ioctl.h>
42 #include <sys/syslog.h>
43 #include <sys/device.h>
44 #include <sys/proc.h>
45 #include <sys/buf.h>
46
47 #include <machine/cpu.h>
48 #include <machine/intr.h>
49 #include <machine/pio.h>
50
51 #include <sys/audioio.h>
52 #include <dev/audio_if.h>
53
54 #include <dev/isa/isavar.h>
55 #include <dev/isa/isadmavar.h>
56
57 #include <dev/ic/ad1848reg.h>
58 #include <dev/isa/ad1848var.h>
59 #include <dev/isa/wssreg.h>
60
61 /*
62 * Mixer devices
63 */
64 #define WSS_MIC_IN_LVL 0
65 #define WSS_LINE_IN_LVL 1
66 #define WSS_DAC_LVL 2
67 #define WSS_REC_LVL 3
68 #define WSS_MON_LVL 4
69 #define WSS_MIC_IN_MUTE 5
70 #define WSS_LINE_IN_MUTE 6
71 #define WSS_DAC_MUTE 7
72
73 #define WSS_RECORD_SOURCE 8
74
75 /* Classes */
76 #define WSS_INPUT_CLASS 9
77 #define WSS_RECORD_CLASS 10
78 #define WSS_MONITOR_CLASS 11
79
80 #ifdef AUDIO_DEBUG
81 #define DPRINTF(x) if (wssdebug) printf x
82 int wssdebug = 0;
83 #else
84 #define DPRINTF(x)
85 #endif
86
87 struct wss_softc {
88 struct device sc_dev; /* base device */
89 struct isadev sc_id; /* ISA device */
90 void *sc_ih; /* interrupt vectoring */
91
92 struct ad1848_softc sc_ad1848;
93 #define wss_irq sc_ad1848.sc_irq
94 #define wss_drq sc_ad1848.sc_drq
95
96 int mic_mute, cd_mute, dac_mute;
97 };
98
99 struct audio_device wss_device = {
100 "wss,ad1848",
101 "",
102 "WSS"
103 };
104
105 int wssopen __P((dev_t, int));
106 int wss_getdev __P((void *, struct audio_device *));
107 int wss_setfd __P((void *, int));
108
109 int wss_set_out_port __P((void *, int));
110 int wss_get_out_port __P((void *));
111 int wss_set_in_port __P((void *, int));
112 int wss_get_in_port __P((void *));
113 int wss_mixer_set_port __P((void *, mixer_ctrl_t *));
114 int wss_mixer_get_port __P((void *, mixer_ctrl_t *));
115 int wss_query_devinfo __P((void *, mixer_devinfo_t *));
116
117 static int wss_to_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
118 static int wss_from_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
119 /*
120 * Define our interface to the higher level audio driver.
121 */
122
123 struct audio_hw_if wss_hw_if = {
124 wssopen,
125 ad1848_close,
126 NULL,
127 ad1848_set_in_sr,
128 ad1848_get_in_sr,
129 ad1848_set_out_sr,
130 ad1848_get_out_sr,
131 ad1848_query_encoding,
132 ad1848_set_encoding,
133 ad1848_get_encoding,
134 ad1848_set_precision,
135 ad1848_get_precision,
136 ad1848_set_channels,
137 ad1848_get_channels,
138 ad1848_round_blocksize,
139 wss_set_out_port,
140 wss_get_out_port,
141 wss_set_in_port,
142 wss_get_in_port,
143 ad1848_commit_settings,
144 ad1848_get_silence,
145 NULL,
146 NULL,
147 ad1848_dma_output,
148 ad1848_dma_input,
149 ad1848_halt_out_dma,
150 ad1848_halt_in_dma,
151 ad1848_cont_out_dma,
152 ad1848_cont_in_dma,
153 NULL,
154 wss_getdev,
155 wss_setfd,
156 wss_mixer_set_port,
157 wss_mixer_get_port,
158 wss_query_devinfo,
159 0, /* not full-duplex */
160 0
161 };
162
163 #ifndef NEWCONFIG
164 #define at_dma(flags, ptr, cc, chan) isa_dmastart(flags, ptr, cc, chan)
165 #endif
166
167 int wssprobe __P((struct device *, void *, void *));
168 void wssattach __P((struct device *, struct device *, void *));
169
170 struct cfattach wss_ca = {
171 sizeof(struct wss_softc), wssprobe, wssattach
172 };
173
174 struct cfdriver wss_cd = {
175 NULL, "wss", DV_DULL
176 };
177
178 /*
179 * Probe for the Microsoft Sound System hardware.
180 */
181 int
182 wssprobe(parent, match, aux)
183 struct device *parent;
184 void *match, *aux;
185 {
186 register struct wss_softc *sc = match;
187 register struct isa_attach_args *ia = aux;
188 register int iobase = ia->ia_iobase;
189 static u_char interrupt_bits[12] = {
190 -1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20
191 };
192 static u_char dma_bits[4] = {1, 2, 0, 3};
193
194 if (!WSS_BASE_VALID(ia->ia_iobase)) {
195 printf("wss: configured iobase %x invalid\n", ia->ia_iobase);
196 return 0;
197 }
198
199 sc->sc_ad1848.sc_iobase = iobase;
200
201 /* Is there an ad1848 chip at the WSS iobase ? */
202 if (ad1848_probe(&sc->sc_ad1848) == 0)
203 return 0;
204
205 ia->ia_iosize = WSS_NPORT;
206
207 /* Setup WSS interrupt and DMA */
208 if (!WSS_DRQ_VALID(ia->ia_drq)) {
209 printf("wss: configured dma chan %d invalid\n", ia->ia_drq);
210 return 0;
211 }
212 sc->wss_drq = ia->ia_drq;
213
214 #ifdef NEWCONFIG
215 /*
216 * If the IRQ wasn't compiled in, auto-detect it.
217 */
218 if (ia->ia_irq == IRQUNK) {
219 ia->ia_irq = isa_discoverintr(ad1848_forceintr, &sc->sc_ad1848);
220 if (!WSS_IRQ_VALID(ia->ia_irq)) {
221 printf("wss: couldn't auto-detect interrupt\n");
222 return 0;
223 }
224 }
225 else
226 #endif
227 if (!WSS_IRQ_VALID(ia->ia_irq)) {
228 printf("wss: configured interrupt %d invalid\n", ia->ia_irq);
229 return 0;
230 }
231
232 sc->wss_irq = ia->ia_irq;
233
234 outb(iobase+WSS_CONFIG,
235 (interrupt_bits[ia->ia_irq] | dma_bits[ia->ia_drq]));
236
237 return 1;
238 }
239
240 /*
241 * Attach hardware to driver, attach hardware driver to audio
242 * pseudo-device driver .
243 */
244 void
245 wssattach(parent, self, aux)
246 struct device *parent, *self;
247 void *aux;
248 {
249 register struct wss_softc *sc = (struct wss_softc *)self;
250 struct isa_attach_args *ia = (struct isa_attach_args *)aux;
251 register int iobase = ia->ia_iobase;
252 int err;
253
254 sc->sc_ad1848.sc_recdrq = ia->ia_drq;
255
256 #ifdef NEWCONFIG
257 isa_establish(&sc->sc_id, &sc->sc_dev);
258 #endif
259 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, IPL_AUDIO,
260 ad1848_intr, &sc->sc_ad1848);
261
262 ad1848_attach(&sc->sc_ad1848);
263
264 printf(" (vers %d)", inb(iobase+WSS_STATUS) & WSS_VERSMASK);
265 printf("\n");
266
267 sc->sc_ad1848.parent = sc;
268
269 if ((err = audio_hardware_attach(&wss_hw_if, &sc->sc_ad1848)) != 0)
270 printf("wss: could not attach to audio pseudo-device driver (%d)\n", err);
271 }
272
273 static int
274 wss_to_vol(cp, vol)
275 mixer_ctrl_t *cp;
276 struct ad1848_volume *vol;
277 {
278 if (cp->un.value.num_channels == 1) {
279 vol->left = vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
280 return(1);
281 }
282 else if (cp->un.value.num_channels == 2) {
283 vol->left = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
284 vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
285 return(1);
286 }
287 return(0);
288 }
289
290 static int
291 wss_from_vol(cp, vol)
292 mixer_ctrl_t *cp;
293 struct ad1848_volume *vol;
294 {
295 if (cp->un.value.num_channels == 1) {
296 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol->left;
297 return(1);
298 }
299 else if (cp->un.value.num_channels == 2) {
300 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = vol->left;
301 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = vol->right;
302 return(1);
303 }
304 return(0);
305 }
306
307 int
308 wssopen(dev, flags)
309 dev_t dev;
310 int flags;
311 {
312 struct wss_softc *sc;
313 int unit = AUDIOUNIT(dev);
314
315 if (unit >= wss_cd.cd_ndevs)
316 return ENODEV;
317
318 sc = wss_cd.cd_devs[unit];
319 if (!sc)
320 return ENXIO;
321
322 return ad1848_open(&sc->sc_ad1848, dev, flags);
323 }
324
325 int
326 wss_getdev(addr, retp)
327 void *addr;
328 struct audio_device *retp;
329 {
330 *retp = wss_device;
331 return 0;
332 }
333
334 int
335 wss_setfd(addr, flag)
336 void *addr;
337 int flag;
338 {
339 /* Can't do full-duplex */
340 return(ENOTTY);
341 }
342
343
344 int
345 wss_set_out_port(addr, port)
346 void *addr;
347 int port;
348 {
349 DPRINTF(("wss_set_out_port:\n"));
350 return(EINVAL);
351 }
352
353 int
354 wss_get_out_port(addr)
355 void *addr;
356 {
357 DPRINTF(("wss_get_out_port:\n"));
358 return(EINVAL);
359 }
360
361 int
362 wss_set_in_port(addr, port)
363 void *addr;
364 int port;
365 {
366 register struct ad1848_softc *ac = addr;
367
368 DPRINTF(("wss_set_in_port: %d\n", port));
369
370 switch(port) {
371 case WSS_MIC_IN_LVL:
372 port = MIC_IN_PORT;
373 break;
374 case WSS_LINE_IN_LVL:
375 port = LINE_IN_PORT;
376 break;
377 case WSS_DAC_LVL:
378 port = DAC_IN_PORT;
379 break;
380 default:
381 return(EINVAL);
382 /*NOTREACHED*/
383 }
384
385 return(ad1848_set_rec_port(ac, port));
386 }
387
388 int
389 wss_get_in_port(addr)
390 void *addr;
391 {
392 register struct ad1848_softc *ac = addr;
393 int port = WSS_MIC_IN_LVL;
394
395 switch(ad1848_get_rec_port(ac)) {
396 case MIC_IN_PORT:
397 port = WSS_MIC_IN_LVL;
398 break;
399 case LINE_IN_PORT:
400 port = WSS_LINE_IN_LVL;
401 break;
402 case DAC_IN_PORT:
403 port = WSS_DAC_LVL;
404 break;
405 }
406
407 DPRINTF(("wss_get_in_port: %d\n", port));
408
409 return(port);
410 }
411
412 int
413 wss_mixer_set_port(addr, cp)
414 void *addr;
415 mixer_ctrl_t *cp;
416 {
417 register struct ad1848_softc *ac = addr;
418 register struct wss_softc *sc = ac->parent;
419 struct ad1848_volume vol;
420 int error = EINVAL;
421
422 DPRINTF(("wss_mixer_set_port: dev=%d type=%d\n", cp->dev, cp->type));
423
424 switch (cp->dev) {
425 case WSS_MIC_IN_LVL: /* Microphone */
426 if (cp->type == AUDIO_MIXER_VALUE) {
427 if (wss_to_vol(cp, &vol))
428 error = ad1848_set_aux2_gain(ac, &vol);
429 }
430 break;
431
432 case WSS_MIC_IN_MUTE: /* Microphone */
433 if (cp->type == AUDIO_MIXER_ENUM) {
434 sc->mic_mute = cp->un.ord;
435 DPRINTF(("mic mute %d\n", cp->un.ord));
436 error = 0;
437 }
438 break;
439
440 case WSS_LINE_IN_LVL: /* linein/CD */
441 if (cp->type == AUDIO_MIXER_VALUE) {
442 if (wss_to_vol(cp, &vol))
443 error = ad1848_set_aux1_gain(ac, &vol);
444 }
445 break;
446
447 case WSS_LINE_IN_MUTE: /* linein/CD */
448 if (cp->type == AUDIO_MIXER_ENUM) {
449 sc->cd_mute = cp->un.ord;
450 DPRINTF(("CD mute %d\n", cp->un.ord));
451 error = 0;
452 }
453 break;
454
455 case WSS_DAC_LVL: /* dac out */
456 if (cp->type == AUDIO_MIXER_VALUE) {
457 if (wss_to_vol(cp, &vol))
458 error = ad1848_set_out_gain(ac, &vol);
459 }
460 break;
461
462 case WSS_DAC_MUTE: /* dac out */
463 if (cp->type == AUDIO_MIXER_ENUM) {
464 sc->dac_mute = cp->un.ord;
465 DPRINTF(("DAC mute %d\n", cp->un.ord));
466 error = 0;
467 }
468 break;
469
470 case WSS_REC_LVL: /* record level */
471 if (cp->type == AUDIO_MIXER_VALUE) {
472 if (wss_to_vol(cp, &vol))
473 error = ad1848_set_rec_gain(ac, &vol);
474 }
475 break;
476
477 case WSS_RECORD_SOURCE:
478 if (cp->type == AUDIO_MIXER_ENUM) {
479 error = ad1848_set_rec_port(ac, cp->un.ord);
480 }
481 break;
482
483 case WSS_MON_LVL:
484 if (cp->type == AUDIO_MIXER_VALUE && cp->un.value.num_channels == 1) {
485 vol.left = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
486 error = ad1848_set_mon_gain(ac, &vol);
487 }
488 break;
489
490 default:
491 return ENXIO;
492 /*NOTREACHED*/
493 }
494
495 return 0;
496 }
497
498 int
499 wss_mixer_get_port(addr, cp)
500 void *addr;
501 mixer_ctrl_t *cp;
502 {
503 register struct ad1848_softc *ac = addr;
504 register struct wss_softc *sc = ac->parent;
505 struct ad1848_volume vol;
506 int error = EINVAL;
507
508 DPRINTF(("wss_mixer_get_port: port=%d\n", cp->dev));
509
510 switch (cp->dev) {
511 case WSS_MIC_IN_LVL: /* Microphone */
512 if (cp->type == AUDIO_MIXER_VALUE) {
513 error = ad1848_get_aux2_gain(ac, &vol);
514 if (!error)
515 wss_from_vol(cp, &vol);
516 }
517 break;
518
519 case WSS_MIC_IN_MUTE:
520 if (cp->type == AUDIO_MIXER_ENUM) {
521 cp->un.ord = sc->mic_mute;
522 error = 0;
523 }
524 break;
525
526 case WSS_LINE_IN_LVL: /* linein/CD */
527 if (cp->type == AUDIO_MIXER_VALUE) {
528 error = ad1848_get_aux1_gain(ac, &vol);
529 if (!error)
530 wss_from_vol(cp, &vol);
531 }
532 break;
533
534 case WSS_LINE_IN_MUTE:
535 if (cp->type == AUDIO_MIXER_ENUM) {
536 cp->un.ord = sc->cd_mute;
537 error = 0;
538 }
539 break;
540
541 case WSS_DAC_LVL: /* dac out */
542 if (cp->type == AUDIO_MIXER_VALUE) {
543 error = ad1848_get_out_gain(ac, &vol);
544 if (!error)
545 wss_from_vol(cp, &vol);
546 }
547 break;
548
549 case WSS_DAC_MUTE:
550 if (cp->type == AUDIO_MIXER_ENUM) {
551 cp->un.ord = sc->dac_mute;
552 error = 0;
553 }
554 break;
555
556 case WSS_REC_LVL: /* record level */
557 if (cp->type == AUDIO_MIXER_VALUE) {
558 error = ad1848_get_rec_gain(ac, &vol);
559 if (!error)
560 wss_from_vol(cp, &vol);
561 }
562 break;
563
564 case WSS_RECORD_SOURCE:
565 if (cp->type == AUDIO_MIXER_ENUM) {
566 cp->un.ord = ad1848_get_rec_port(ac);
567 error = 0;
568 }
569 break;
570
571 case WSS_MON_LVL: /* monitor level */
572 if (cp->type == AUDIO_MIXER_VALUE && cp->un.value.num_channels == 1) {
573 error = ad1848_get_mon_gain(ac, &vol);
574 if (!error)
575 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol.left;
576 }
577 break;
578
579 default:
580 error = ENXIO;
581 break;
582 }
583
584 return(error);
585 }
586
587 int
588 wss_query_devinfo(addr, dip)
589 void *addr;
590 register mixer_devinfo_t *dip;
591 {
592 DPRINTF(("wss_query_devinfo: index=%d\n", dip->index));
593
594 switch(dip->index) {
595 case WSS_MIC_IN_LVL: /* Microphone */
596 dip->type = AUDIO_MIXER_VALUE;
597 dip->mixer_class = WSS_INPUT_CLASS;
598 dip->prev = AUDIO_MIXER_LAST;
599 dip->next = WSS_MIC_IN_MUTE;
600 strcpy(dip->label.name, AudioNmicrophone);
601 dip->un.v.num_channels = 2;
602 strcpy(dip->un.v.units.name, AudioNvolume);
603 break;
604
605 case WSS_LINE_IN_LVL: /* line/CD */
606 dip->type = AUDIO_MIXER_VALUE;
607 dip->mixer_class = WSS_INPUT_CLASS;
608 dip->prev = AUDIO_MIXER_LAST;
609 dip->next = WSS_LINE_IN_MUTE;
610 strcpy(dip->label.name, AudioNcd);
611 dip->un.v.num_channels = 2;
612 strcpy(dip->un.v.units.name, AudioNvolume);
613 break;
614
615 case WSS_DAC_LVL: /* dacout */
616 dip->type = AUDIO_MIXER_VALUE;
617 dip->mixer_class = WSS_INPUT_CLASS;
618 dip->prev = AUDIO_MIXER_LAST;
619 dip->next = WSS_DAC_MUTE;
620 strcpy(dip->label.name, AudioNdac);
621 dip->un.v.num_channels = 2;
622 strcpy(dip->un.v.units.name, AudioNvolume);
623 break;
624
625 case WSS_REC_LVL: /* record level */
626 dip->type = AUDIO_MIXER_VALUE;
627 dip->mixer_class = WSS_RECORD_CLASS;
628 dip->prev = AUDIO_MIXER_LAST;
629 dip->next = WSS_RECORD_SOURCE;
630 strcpy(dip->label.name, AudioNrecord);
631 dip->un.v.num_channels = 2;
632 strcpy(dip->un.v.units.name, AudioNvolume);
633 break;
634
635 case WSS_MON_LVL: /* monitor level */
636 dip->type = AUDIO_MIXER_VALUE;
637 dip->mixer_class = WSS_MONITOR_CLASS;
638 dip->next = dip->prev = AUDIO_MIXER_LAST;
639 strcpy(dip->label.name, AudioNmonitor);
640 dip->un.v.num_channels = 1;
641 strcpy(dip->un.v.units.name, AudioNvolume);
642 break;
643
644 case WSS_INPUT_CLASS: /* input class descriptor */
645 dip->type = AUDIO_MIXER_CLASS;
646 dip->mixer_class = WSS_INPUT_CLASS;
647 dip->next = dip->prev = AUDIO_MIXER_LAST;
648 strcpy(dip->label.name, AudioCInputs);
649 break;
650
651 case WSS_MONITOR_CLASS: /* monitor class descriptor */
652 dip->type = AUDIO_MIXER_CLASS;
653 dip->mixer_class = WSS_MONITOR_CLASS;
654 dip->next = dip->prev = AUDIO_MIXER_LAST;
655 strcpy(dip->label.name, AudioNmonitor);
656 break;
657
658 case WSS_RECORD_CLASS: /* record source class */
659 dip->type = AUDIO_MIXER_CLASS;
660 dip->mixer_class = WSS_RECORD_CLASS;
661 dip->next = dip->prev = AUDIO_MIXER_LAST;
662 strcpy(dip->label.name, AudioNrecord);
663 break;
664
665 case WSS_MIC_IN_MUTE:
666 dip->mixer_class = WSS_INPUT_CLASS;
667 dip->type = AUDIO_MIXER_ENUM;
668 dip->prev = WSS_MIC_IN_LVL;
669 dip->next = AUDIO_MIXER_LAST;
670 goto mute;
671
672 case WSS_LINE_IN_MUTE:
673 dip->mixer_class = WSS_INPUT_CLASS;
674 dip->type = AUDIO_MIXER_ENUM;
675 dip->prev = WSS_LINE_IN_LVL;
676 dip->next = AUDIO_MIXER_LAST;
677 goto mute;
678
679 case WSS_DAC_MUTE:
680 dip->mixer_class = WSS_INPUT_CLASS;
681 dip->type = AUDIO_MIXER_ENUM;
682 dip->prev = WSS_DAC_LVL;
683 dip->next = AUDIO_MIXER_LAST;
684 mute:
685 strcpy(dip->label.name, AudioNmute);
686 dip->un.e.num_mem = 2;
687 strcpy(dip->un.e.member[0].label.name, AudioNoff);
688 dip->un.e.member[0].ord = 0;
689 strcpy(dip->un.e.member[1].label.name, AudioNon);
690 dip->un.e.member[1].ord = 1;
691 break;
692
693 case WSS_RECORD_SOURCE:
694 dip->mixer_class = WSS_RECORD_CLASS;
695 dip->type = AUDIO_MIXER_ENUM;
696 dip->prev = WSS_REC_LVL;
697 dip->next = AUDIO_MIXER_LAST;
698 strcpy(dip->label.name, AudioNsource);
699 dip->un.e.num_mem = 3;
700 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone);
701 dip->un.e.member[0].ord = WSS_MIC_IN_LVL;
702 strcpy(dip->un.e.member[1].label.name, AudioNcd);
703 dip->un.e.member[1].ord = WSS_LINE_IN_LVL;
704 strcpy(dip->un.e.member[2].label.name, AudioNdac);
705 dip->un.e.member[2].ord = WSS_DAC_LVL;
706 break;
707
708 default:
709 return ENXIO;
710 /*NOTREACHED*/
711 }
712 DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name));
713
714 return 0;
715 }
716