wss.c revision 1.9 1 /* $NetBSD: wss.c,v 1.9 1996/02/16 08:18:36 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/pio.h>
49
50 #include <sys/audioio.h>
51 #include <dev/audio_if.h>
52
53 #include <dev/isa/isavar.h>
54 #include <dev/isa/isadmavar.h>
55
56 #include <dev/ic/ad1848reg.h>
57 #include <dev/isa/ad1848var.h>
58 #include <dev/isa/wssreg.h>
59
60 /*
61 * Mixer devices
62 */
63 #define WSS_MIC_IN_LVL 0
64 #define WSS_LINE_IN_LVL 1
65 #define WSS_DAC_LVL 2
66 #define WSS_REC_LVL 3
67 #define WSS_MON_LVL 4
68 #define WSS_MIC_IN_MUTE 5
69 #define WSS_LINE_IN_MUTE 6
70 #define WSS_DAC_MUTE 7
71
72 #define WSS_RECORD_SOURCE 8
73
74 /* Classes */
75 #define WSS_INPUT_CLASS 9
76 #define WSS_RECORD_CLASS 10
77 #define WSS_MONITOR_CLASS 11
78
79 #ifdef AUDIO_DEBUG
80 #define DPRINTF(x) if (wssdebug) printf x
81 int wssdebug = 0;
82 #else
83 #define DPRINTF(x)
84 #endif
85
86 struct wss_softc {
87 struct device sc_dev; /* base device */
88 struct isadev sc_id; /* ISA device */
89 void *sc_ih; /* interrupt vectoring */
90
91 struct ad1848_softc sc_ad1848;
92 #define wss_irq sc_ad1848.sc_irq
93 #define wss_drq sc_ad1848.sc_drq
94
95 int mic_mute, cd_mute, dac_mute;
96 };
97
98 struct audio_device wss_device = {
99 "wss,ad1848",
100 "",
101 "WSS"
102 };
103
104 int wssopen __P((dev_t, int));
105 int wss_getdev __P((void *, struct audio_device *));
106 int wss_setfd __P((void *, int));
107
108 int wss_set_out_port __P((void *, int));
109 int wss_get_out_port __P((void *));
110 int wss_set_in_port __P((void *, int));
111 int wss_get_in_port __P((void *));
112 int wss_mixer_set_port __P((void *, mixer_ctrl_t *));
113 int wss_mixer_get_port __P((void *, mixer_ctrl_t *));
114 int wss_query_devinfo __P((void *, mixer_devinfo_t *));
115
116 /*
117 * Define our interface to the higher level audio driver.
118 */
119
120 struct audio_hw_if wss_hw_if = {
121 wssopen,
122 ad1848_close,
123 NULL,
124 ad1848_set_in_sr,
125 ad1848_get_in_sr,
126 ad1848_set_out_sr,
127 ad1848_get_out_sr,
128 ad1848_query_encoding,
129 ad1848_set_encoding,
130 ad1848_get_encoding,
131 ad1848_set_precision,
132 ad1848_get_precision,
133 ad1848_set_channels,
134 ad1848_get_channels,
135 ad1848_round_blocksize,
136 wss_set_out_port,
137 wss_get_out_port,
138 wss_set_in_port,
139 wss_get_in_port,
140 ad1848_commit_settings,
141 ad1848_get_silence,
142 NULL,
143 NULL,
144 ad1848_dma_output,
145 ad1848_dma_input,
146 ad1848_halt_out_dma,
147 ad1848_halt_in_dma,
148 ad1848_cont_out_dma,
149 ad1848_cont_in_dma,
150 NULL,
151 wss_getdev,
152 wss_setfd,
153 wss_mixer_set_port,
154 wss_mixer_get_port,
155 wss_query_devinfo,
156 0, /* not full-duplex */
157 0
158 };
159
160 #ifndef NEWCONFIG
161 #define at_dma(flags, ptr, cc, chan) isa_dmastart(flags, ptr, cc, chan)
162 #endif
163
164 int wssprobe __P((struct device *, void *, void *));
165 void wssattach __P((struct device *, struct device *, void *));
166
167 struct cfdriver wsscd = {
168 NULL, "wss", wssprobe, wssattach, DV_DULL, sizeof(struct wss_softc)
169 };
170
171 /*
172 * Probe for the Microsoft Sound System hardware.
173 */
174 int
175 wssprobe(parent, match, aux)
176 struct device *parent;
177 void *match, *aux;
178 {
179 register struct wss_softc *sc = match;
180 register struct isa_attach_args *ia = aux;
181 register int iobase = ia->ia_iobase;
182 static u_char interrupt_bits[12] = {
183 -1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20
184 };
185 static u_char dma_bits[4] = {1, 2, 0, 3};
186
187 if (!WSS_BASE_VALID(ia->ia_iobase)) {
188 printf("wss: configured iobase %x invalid\n", ia->ia_iobase);
189 return 0;
190 }
191
192 sc->sc_ad1848.sc_iobase = iobase;
193
194 /* Is there an ad1848 chip at the WSS iobase ? */
195 if (ad1848_probe(&sc->sc_ad1848) == 0)
196 return 0;
197
198 ia->ia_iosize = WSS_NPORT;
199
200 /* Setup WSS interrupt and DMA */
201 if (!WSS_DRQ_VALID(ia->ia_drq)) {
202 printf("wss: configured dma chan %d invalid\n", ia->ia_drq);
203 return 0;
204 }
205 sc->wss_drq = ia->ia_drq;
206
207 #ifdef NEWCONFIG
208 /*
209 * If the IRQ wasn't compiled in, auto-detect it.
210 */
211 if (ia->ia_irq == IRQUNK) {
212 ia->ia_irq = isa_discoverintr(ad1848_forceintr, &sc->sc_ad1848);
213 if (!WSS_IRQ_VALID(ia->ia_irq)) {
214 printf("wss: couldn't auto-detect interrupt\n");
215 return 0;
216 }
217 }
218 else
219 #endif
220 if (!WSS_IRQ_VALID(ia->ia_irq)) {
221 printf("wss: configured interrupt %d invalid\n", ia->ia_irq);
222 return 0;
223 }
224
225 sc->wss_irq = ia->ia_irq;
226
227 outb(iobase+WSS_CONFIG,
228 (interrupt_bits[ia->ia_irq] | dma_bits[ia->ia_drq]));
229
230 return 1;
231 }
232
233 /*
234 * Attach hardware to driver, attach hardware driver to audio
235 * pseudo-device driver .
236 */
237 void
238 wssattach(parent, self, aux)
239 struct device *parent, *self;
240 void *aux;
241 {
242 register struct wss_softc *sc = (struct wss_softc *)self;
243 struct isa_attach_args *ia = (struct isa_attach_args *)aux;
244 register int iobase = ia->ia_iobase;
245 int err;
246
247 sc->sc_ad1848.sc_recdrq = ia->ia_drq;
248
249 #ifdef NEWCONFIG
250 isa_establish(&sc->sc_id, &sc->sc_dev);
251 #endif
252 sc->sc_ih = isa_intr_establish(ia->ia_irq, IST_EDGE, IPL_AUDIO, ad1848_intr, &sc->sc_ad1848);
253
254 ad1848_attach(&sc->sc_ad1848);
255
256 printf(" (vers %d)", inb(iobase+WSS_STATUS) & WSS_VERSMASK);
257 printf("\n");
258
259 sc->sc_ad1848.parent = sc;
260
261 if ((err = audio_hardware_attach(&wss_hw_if, &sc->sc_ad1848)) != 0)
262 printf("wss: could not attach to audio pseudo-device driver (%d)\n", err);
263 }
264
265 static int
266 wss_to_vol(cp, vol)
267 mixer_ctrl_t *cp;
268 struct ad1848_volume *vol;
269 {
270 if (cp->un.value.num_channels == 1) {
271 vol->left = vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
272 return(1);
273 }
274 else if (cp->un.value.num_channels == 2) {
275 vol->left = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
276 vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
277 return(1);
278 }
279 return(0);
280 }
281
282 static int
283 wss_from_vol(cp, vol)
284 mixer_ctrl_t *cp;
285 struct ad1848_volume *vol;
286 {
287 if (cp->un.value.num_channels == 1) {
288 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol->left;
289 return(1);
290 }
291 else if (cp->un.value.num_channels == 2) {
292 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = vol->left;
293 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = vol->right;
294 return(1);
295 }
296 return(0);
297 }
298
299 int
300 wssopen(dev, flags)
301 dev_t dev;
302 int flags;
303 {
304 struct wss_softc *sc;
305 int unit = AUDIOUNIT(dev);
306
307 if (unit >= wsscd.cd_ndevs)
308 return ENODEV;
309
310 sc = wsscd.cd_devs[unit];
311 if (!sc)
312 return ENXIO;
313
314 return ad1848_open(&sc->sc_ad1848, dev, flags);
315 }
316
317 int
318 wss_getdev(addr, retp)
319 void *addr;
320 struct audio_device *retp;
321 {
322 *retp = wss_device;
323 return 0;
324 }
325
326 int
327 wss_setfd(addr, flag)
328 void *addr;
329 int flag;
330 {
331 /* Can't do full-duplex */
332 return(ENOTTY);
333 }
334
335
336 int
337 wss_set_out_port(addr, port)
338 void *addr;
339 int port;
340 {
341 DPRINTF(("wss_set_out_port:\n"));
342 return(EINVAL);
343 }
344
345 int
346 wss_get_out_port(addr)
347 void *addr;
348 {
349 DPRINTF(("wss_get_out_port:\n"));
350 return(EINVAL);
351 }
352
353 int
354 wss_set_in_port(addr, port)
355 void *addr;
356 int port;
357 {
358 register struct ad1848_softc *ac = addr;
359 register struct wss_softc *sc = ac->parent;
360
361 DPRINTF(("wss_set_in_port: %d\n", port));
362
363 switch(port) {
364 case WSS_MIC_IN_LVL:
365 port = MIC_IN_PORT;
366 break;
367 case WSS_LINE_IN_LVL:
368 port = LINE_IN_PORT;
369 break;
370 case WSS_DAC_LVL:
371 port = DAC_IN_PORT;
372 break;
373 default:
374 return(EINVAL);
375 /*NOTREACHED*/
376 }
377
378 return(ad1848_set_rec_port(ac, port));
379 }
380
381 int
382 wss_get_in_port(addr)
383 void *addr;
384 {
385 register struct ad1848_softc *ac = addr;
386 register struct wss_softc *sc = ac->parent;
387 int port = WSS_MIC_IN_LVL;
388
389 switch(ad1848_get_rec_port(ac)) {
390 case MIC_IN_PORT:
391 port = WSS_MIC_IN_LVL;
392 break;
393 case LINE_IN_PORT:
394 port = WSS_LINE_IN_LVL;
395 break;
396 case DAC_IN_PORT:
397 port = WSS_DAC_LVL;
398 break;
399 }
400
401 DPRINTF(("wss_get_in_port: %d\n", port));
402
403 return(port);
404 }
405
406 int
407 wss_mixer_set_port(addr, cp)
408 void *addr;
409 mixer_ctrl_t *cp;
410 {
411 register struct ad1848_softc *ac = addr;
412 register struct wss_softc *sc = ac->parent;
413 struct ad1848_volume vol;
414 u_char eq;
415 int error = EINVAL;
416
417 DPRINTF(("wss_mixer_set_port: dev=%d type=%d\n", cp->dev, cp->type));
418
419 switch (cp->dev) {
420 case WSS_MIC_IN_LVL: /* Microphone */
421 if (cp->type == AUDIO_MIXER_VALUE) {
422 if (wss_to_vol(cp, &vol))
423 error = ad1848_set_aux2_gain(ac, &vol);
424 }
425 break;
426
427 case WSS_MIC_IN_MUTE: /* Microphone */
428 if (cp->type == AUDIO_MIXER_ENUM) {
429 sc->mic_mute = cp->un.ord;
430 DPRINTF(("mic mute %d\n", cp->un.ord));
431 error = 0;
432 }
433 break;
434
435 case WSS_LINE_IN_LVL: /* linein/CD */
436 if (cp->type == AUDIO_MIXER_VALUE) {
437 if (wss_to_vol(cp, &vol))
438 error = ad1848_set_aux1_gain(ac, &vol);
439 }
440 break;
441
442 case WSS_LINE_IN_MUTE: /* linein/CD */
443 if (cp->type == AUDIO_MIXER_ENUM) {
444 sc->cd_mute = cp->un.ord;
445 DPRINTF(("CD mute %d\n", cp->un.ord));
446 error = 0;
447 }
448 break;
449
450 case WSS_DAC_LVL: /* dac out */
451 if (cp->type == AUDIO_MIXER_VALUE) {
452 if (wss_to_vol(cp, &vol))
453 error = ad1848_set_out_gain(ac, &vol);
454 }
455 break;
456
457 case WSS_DAC_MUTE: /* dac out */
458 if (cp->type == AUDIO_MIXER_ENUM) {
459 sc->dac_mute = cp->un.ord;
460 DPRINTF(("DAC mute %d\n", cp->un.ord));
461 error = 0;
462 }
463 break;
464
465 case WSS_REC_LVL: /* record level */
466 if (cp->type == AUDIO_MIXER_VALUE) {
467 if (wss_to_vol(cp, &vol))
468 error = ad1848_set_rec_gain(ac, &vol);
469 }
470 break;
471
472 case WSS_RECORD_SOURCE:
473 if (cp->type == AUDIO_MIXER_ENUM) {
474 error = ad1848_set_rec_port(ac, cp->un.ord);
475 }
476 break;
477
478 case WSS_MON_LVL:
479 if (cp->type == AUDIO_MIXER_VALUE && cp->un.value.num_channels == 1) {
480 vol.left = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
481 error = ad1848_set_mon_gain(ac, &vol);
482 }
483 break;
484
485 default:
486 return ENXIO;
487 /*NOTREACHED*/
488 }
489
490 return 0;
491 }
492
493 int
494 wss_mixer_get_port(addr, cp)
495 void *addr;
496 mixer_ctrl_t *cp;
497 {
498 register struct ad1848_softc *ac = addr;
499 register struct wss_softc *sc = ac->parent;
500 struct ad1848_volume vol;
501 u_char eq;
502 int error = EINVAL;
503
504 DPRINTF(("wss_mixer_get_port: port=%d\n", cp->dev));
505
506 switch (cp->dev) {
507 case WSS_MIC_IN_LVL: /* Microphone */
508 if (cp->type == AUDIO_MIXER_VALUE) {
509 error = ad1848_get_aux2_gain(ac, &vol);
510 if (!error)
511 wss_from_vol(cp, &vol);
512 }
513 break;
514
515 case WSS_MIC_IN_MUTE:
516 if (cp->type == AUDIO_MIXER_ENUM) {
517 cp->un.ord = sc->mic_mute;
518 error = 0;
519 }
520 break;
521
522 case WSS_LINE_IN_LVL: /* linein/CD */
523 if (cp->type == AUDIO_MIXER_VALUE) {
524 error = ad1848_get_aux1_gain(ac, &vol);
525 if (!error)
526 wss_from_vol(cp, &vol);
527 }
528 break;
529
530 case WSS_LINE_IN_MUTE:
531 if (cp->type == AUDIO_MIXER_ENUM) {
532 cp->un.ord = sc->cd_mute;
533 error = 0;
534 }
535 break;
536
537 case WSS_DAC_LVL: /* dac out */
538 if (cp->type == AUDIO_MIXER_VALUE) {
539 error = ad1848_get_out_gain(ac, &vol);
540 if (!error)
541 wss_from_vol(cp, &vol);
542 }
543 break;
544
545 case WSS_DAC_MUTE:
546 if (cp->type == AUDIO_MIXER_ENUM) {
547 cp->un.ord = sc->dac_mute;
548 error = 0;
549 }
550 break;
551
552 case WSS_REC_LVL: /* record level */
553 if (cp->type == AUDIO_MIXER_VALUE) {
554 error = ad1848_get_rec_gain(ac, &vol);
555 if (!error)
556 wss_from_vol(cp, &vol);
557 }
558 break;
559
560 case WSS_RECORD_SOURCE:
561 if (cp->type == AUDIO_MIXER_ENUM) {
562 cp->un.ord = ad1848_get_rec_port(ac);
563 error = 0;
564 }
565 break;
566
567 case WSS_MON_LVL: /* monitor level */
568 if (cp->type == AUDIO_MIXER_VALUE && cp->un.value.num_channels == 1) {
569 error = ad1848_get_mon_gain(ac, &vol);
570 if (!error)
571 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol.left;
572 }
573 break;
574
575 default:
576 error = ENXIO;
577 break;
578 }
579
580 return(error);
581 }
582
583 int
584 wss_query_devinfo(addr, dip)
585 void *addr;
586 register mixer_devinfo_t *dip;
587 {
588 register struct ad1848_softc *ac = addr;
589 register struct wss_softc *sc = ac->parent;
590
591 DPRINTF(("wss_query_devinfo: index=%d\n", dip->index));
592
593 switch(dip->index) {
594 case WSS_MIC_IN_LVL: /* Microphone */
595 dip->type = AUDIO_MIXER_VALUE;
596 dip->mixer_class = WSS_INPUT_CLASS;
597 dip->prev = AUDIO_MIXER_LAST;
598 dip->next = WSS_MIC_IN_MUTE;
599 strcpy(dip->label.name, AudioNmicrophone);
600 dip->un.v.num_channels = 2;
601 strcpy(dip->un.v.units.name, AudioNvolume);
602 break;
603
604 case WSS_LINE_IN_LVL: /* line/CD */
605 dip->type = AUDIO_MIXER_VALUE;
606 dip->mixer_class = WSS_INPUT_CLASS;
607 dip->prev = AUDIO_MIXER_LAST;
608 dip->next = WSS_LINE_IN_MUTE;
609 strcpy(dip->label.name, AudioNcd);
610 dip->un.v.num_channels = 2;
611 strcpy(dip->un.v.units.name, AudioNvolume);
612 break;
613
614 case WSS_DAC_LVL: /* dacout */
615 dip->type = AUDIO_MIXER_VALUE;
616 dip->mixer_class = WSS_INPUT_CLASS;
617 dip->prev = AUDIO_MIXER_LAST;
618 dip->next = WSS_DAC_MUTE;
619 strcpy(dip->label.name, AudioNdac);
620 dip->un.v.num_channels = 2;
621 strcpy(dip->un.v.units.name, AudioNvolume);
622 break;
623
624 case WSS_REC_LVL: /* record level */
625 dip->type = AUDIO_MIXER_VALUE;
626 dip->mixer_class = WSS_RECORD_CLASS;
627 dip->prev = AUDIO_MIXER_LAST;
628 dip->next = WSS_RECORD_SOURCE;
629 strcpy(dip->label.name, AudioNrecord);
630 dip->un.v.num_channels = 2;
631 strcpy(dip->un.v.units.name, AudioNvolume);
632 break;
633
634 case WSS_MON_LVL: /* monitor level */
635 dip->type = AUDIO_MIXER_VALUE;
636 dip->mixer_class = WSS_MONITOR_CLASS;
637 dip->next = dip->prev = AUDIO_MIXER_LAST;
638 strcpy(dip->label.name, AudioNmonitor);
639 dip->un.v.num_channels = 1;
640 strcpy(dip->un.v.units.name, AudioNvolume);
641 break;
642
643 case WSS_INPUT_CLASS: /* input class descriptor */
644 dip->type = AUDIO_MIXER_CLASS;
645 dip->mixer_class = WSS_INPUT_CLASS;
646 dip->next = dip->prev = AUDIO_MIXER_LAST;
647 strcpy(dip->label.name, AudioCInputs);
648 break;
649
650 case WSS_MONITOR_CLASS: /* monitor class descriptor */
651 dip->type = AUDIO_MIXER_CLASS;
652 dip->mixer_class = WSS_MONITOR_CLASS;
653 dip->next = dip->prev = AUDIO_MIXER_LAST;
654 strcpy(dip->label.name, AudioNmonitor);
655 break;
656
657 case WSS_RECORD_CLASS: /* record source class */
658 dip->type = AUDIO_MIXER_CLASS;
659 dip->mixer_class = WSS_RECORD_CLASS;
660 dip->next = dip->prev = AUDIO_MIXER_LAST;
661 strcpy(dip->label.name, AudioNrecord);
662 break;
663
664 case WSS_MIC_IN_MUTE:
665 dip->mixer_class = WSS_INPUT_CLASS;
666 dip->type = AUDIO_MIXER_ENUM;
667 dip->prev = WSS_MIC_IN_LVL;
668 dip->next = AUDIO_MIXER_LAST;
669 goto mute;
670
671 case WSS_LINE_IN_MUTE:
672 dip->mixer_class = WSS_INPUT_CLASS;
673 dip->type = AUDIO_MIXER_ENUM;
674 dip->prev = WSS_LINE_IN_LVL;
675 dip->next = AUDIO_MIXER_LAST;
676 goto mute;
677
678 case WSS_DAC_MUTE:
679 dip->mixer_class = WSS_INPUT_CLASS;
680 dip->type = AUDIO_MIXER_ENUM;
681 dip->prev = WSS_DAC_LVL;
682 dip->next = AUDIO_MIXER_LAST;
683 mute:
684 strcpy(dip->label.name, AudioNmute);
685 dip->un.e.num_mem = 2;
686 strcpy(dip->un.e.member[0].label.name, AudioNoff);
687 dip->un.e.member[0].ord = 0;
688 strcpy(dip->un.e.member[1].label.name, AudioNon);
689 dip->un.e.member[1].ord = 1;
690 break;
691
692 case WSS_RECORD_SOURCE:
693 dip->mixer_class = WSS_RECORD_CLASS;
694 dip->type = AUDIO_MIXER_ENUM;
695 dip->prev = WSS_REC_LVL;
696 dip->next = AUDIO_MIXER_LAST;
697 strcpy(dip->label.name, AudioNsource);
698 dip->un.e.num_mem = 3;
699 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone);
700 dip->un.e.member[0].ord = WSS_MIC_IN_LVL;
701 strcpy(dip->un.e.member[1].label.name, AudioNcd);
702 dip->un.e.member[1].ord = WSS_LINE_IN_LVL;
703 strcpy(dip->un.e.member[2].label.name, AudioNdac);
704 dip->un.e.member[2].ord = WSS_DAC_LVL;
705 break;
706
707 default:
708 return ENXIO;
709 /*NOTREACHED*/
710 }
711 DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name));
712
713 return 0;
714 }
715