wss.c revision 1.30 1 /* $NetBSD: wss.c,v 1.30 1997/07/31 22:33:41 augustss 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 * MAD support:
9 * Copyright (c) 1996 Lennart Augustsson
10 * Based on code which is
11 * Copyright (c) 1995 Hannu Savolainen
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. All advertising materials mentioning features or use of this software
22 * must display the following acknowledgement:
23 * This product includes software developed by the Computer Systems
24 * Engineering Group at Lawrence Berkeley Laboratory.
25 * 4. Neither the name of the University nor of the Laboratory may be used
26 * to endorse or promote products derived from this software without
27 * specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * SUCH DAMAGE.
40 *
41 */
42 /*
43 * Copyright by Hannu Savolainen 1994
44 *
45 * Redistribution and use in source and binary forms, with or without
46 * modification, are permitted provided that the following conditions are
47 * met: 1. Redistributions of source code must retain the above copyright
48 * notice, this list of conditions and the following disclaimer. 2.
49 * Redistributions in binary form must reproduce the above copyright notice,
50 * this list of conditions and the following disclaimer in the documentation
51 * and/or other materials provided with the distribution.
52 *
53 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
54 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
55 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
56 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
57 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
59 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
60 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
63 * SUCH DAMAGE.
64 *
65 */
66
67 #include <sys/param.h>
68 #include <sys/systm.h>
69 #include <sys/errno.h>
70 #include <sys/ioctl.h>
71 #include <sys/syslog.h>
72 #include <sys/device.h>
73 #include <sys/proc.h>
74 #include <sys/buf.h>
75
76 #include <machine/cpu.h>
77 #include <machine/intr.h>
78 #include <machine/bus.h>
79 #include <machine/pio.h>
80
81 #include <sys/audioio.h>
82 #include <dev/audio_if.h>
83
84 #include <dev/isa/isavar.h>
85 #include <dev/isa/isadmavar.h>
86
87 #include <dev/ic/ad1848reg.h>
88 #include <dev/isa/ad1848var.h>
89 #include <dev/isa/wssreg.h>
90 #include <dev/isa/madreg.h>
91
92 /*
93 * Mixer devices
94 */
95 #define WSS_MIC_IN_LVL 0
96 #define WSS_LINE_IN_LVL 1
97 #define WSS_DAC_LVL 2
98 #define WSS_REC_LVL 3
99 #define WSS_MON_LVL 4
100 #define WSS_MIC_IN_MUTE 5
101 #define WSS_LINE_IN_MUTE 6
102 #define WSS_DAC_MUTE 7
103
104 #define WSS_RECORD_SOURCE 8
105
106 /* Classes */
107 #define WSS_INPUT_CLASS 9
108 #define WSS_RECORD_CLASS 10
109 #define WSS_MONITOR_CLASS 11
110
111 #ifdef AUDIO_DEBUG
112 #define DPRINTF(x) if (wssdebug) printf x
113 int wssdebug = 0;
114 #else
115 #define DPRINTF(x)
116 #endif
117
118 struct wss_softc {
119 struct device sc_dev; /* base device */
120 struct isadev sc_id; /* ISA device */
121 void *sc_ih; /* interrupt vectoring */
122 bus_space_tag_t sc_iot; /* tag */
123 bus_space_handle_t sc_ioh; /* handle */
124
125 struct ad1848_softc sc_ad1848;
126 #define wss_irq sc_ad1848.sc_irq
127 #define wss_drq sc_ad1848.sc_drq
128
129 int mic_mute, cd_mute, dac_mute;
130 int mad_chip_type; /* chip type if MAD emulation of WSS */
131 bus_space_handle_t sc_mad_ioh; /* handle */
132 };
133
134 struct audio_device wss_device = {
135 "wss,ad1848",
136 "",
137 "WSS"
138 };
139
140 int wss_getdev __P((void *, struct audio_device *));
141
142 int wss_set_out_port __P((void *, int));
143 int wss_get_out_port __P((void *));
144 int wss_set_in_port __P((void *, int));
145 int wss_get_in_port __P((void *));
146 int wss_mixer_set_port __P((void *, mixer_ctrl_t *));
147 int wss_mixer_get_port __P((void *, mixer_ctrl_t *));
148 int wss_query_devinfo __P((void *, mixer_devinfo_t *));
149
150 static int wss_to_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
151 static int wss_from_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
152
153 static int madprobe __P((struct wss_softc *, int));
154 static void madprobedone __P((struct wss_softc *));
155
156 /*
157 * Define our interface to the higher level audio driver.
158 */
159
160 struct audio_hw_if wss_hw_if = {
161 ad1848_open,
162 ad1848_close,
163 NULL,
164 ad1848_query_encoding,
165 ad1848_set_params,
166 ad1848_round_blocksize,
167 wss_set_out_port,
168 wss_get_out_port,
169 wss_set_in_port,
170 wss_get_in_port,
171 ad1848_commit_settings,
172 ad1848_dma_init_output,
173 ad1848_dma_init_input,
174 ad1848_dma_output,
175 ad1848_dma_input,
176 ad1848_halt_out_dma,
177 ad1848_halt_in_dma,
178 ad1848_cont_out_dma,
179 ad1848_cont_in_dma,
180 NULL,
181 wss_getdev,
182 NULL,
183 wss_mixer_set_port,
184 wss_mixer_get_port,
185 wss_query_devinfo,
186 ad1848_malloc,
187 ad1848_free,
188 ad1848_round,
189 ad1848_mappage,
190 ad1848_get_props,
191 };
192
193 int wssprobe __P((struct device *, void *, void *));
194 void wssattach __P((struct device *, struct device *, void *));
195
196 struct cfattach wss_ca = {
197 sizeof(struct wss_softc), wssprobe, wssattach
198 };
199
200 struct cfdriver wss_cd = {
201 NULL, "wss", DV_DULL
202 };
203
204 /*
205 * Probe for the Microsoft Sound System hardware.
206 */
207 int
208 wssprobe(parent, match, aux)
209 struct device *parent;
210 void *match, *aux;
211 {
212 register struct wss_softc *sc = match;
213 register struct isa_attach_args *ia = aux;
214 static u_char interrupt_bits[12] = {
215 -1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20
216 };
217 static u_char dma_bits[4] = {1, 2, 0, 3};
218
219 sc->sc_iot = ia->ia_iot;
220 if (sc->sc_dev.dv_cfdata->cf_flags & 1)
221 sc->mad_chip_type = madprobe(sc, ia->ia_iobase);
222 else
223 sc->mad_chip_type = MAD_NONE;
224
225 if (!WSS_BASE_VALID(ia->ia_iobase)) {
226 DPRINTF(("wss: configured iobase %x invalid\n", ia->ia_iobase));
227 return 0;
228 }
229
230 /* Map the ports upto the AD1848 port */
231 if (bus_space_map(sc->sc_iot, ia->ia_iobase, WSS_CODEC, 0, &sc->sc_ioh))
232 return 0;
233
234 sc->sc_ad1848.sc_iot = sc->sc_iot;
235 sc->sc_ad1848.sc_iobase = ia->ia_iobase + WSS_CODEC;
236
237 /* Is there an ad1848 chip at (WSS iobase + WSS_CODEC)? */
238 if (ad1848_probe(&sc->sc_ad1848) == 0)
239 goto bad;
240
241 ia->ia_iosize = WSS_NPORT;
242
243 /* Setup WSS interrupt and DMA */
244 if (!WSS_DRQ_VALID(ia->ia_drq)) {
245 DPRINTF(("wss: configured dma chan %d invalid\n", ia->ia_drq));
246 goto bad;
247 }
248 sc->wss_drq = ia->ia_drq;
249
250 #ifdef NEWCONFIG
251 /*
252 * If the IRQ wasn't compiled in, auto-detect it.
253 */
254 if (ia->ia_irq == IRQUNK) {
255 ia->ia_irq = isa_discoverintr(ad1848_forceintr, &sc->sc_ad1848);
256 if (!WSS_IRQ_VALID(ia->ia_irq)) {
257 printf("wss: couldn't auto-detect interrupt\n");
258 goto bad;
259 }
260 }
261 else
262 #endif
263 if (!WSS_IRQ_VALID(ia->ia_irq)) {
264 DPRINTF(("wss: configured interrupt %d invalid\n", ia->ia_irq));
265 goto bad;
266 }
267
268 sc->wss_irq = ia->ia_irq;
269
270 bus_space_write_1(sc->sc_iot, sc->sc_ioh, WSS_CONFIG,
271 (interrupt_bits[ia->ia_irq] | dma_bits[ia->ia_drq]));
272
273 if (sc->mad_chip_type != MAD_NONE)
274 madprobedone(sc);
275
276 return 1;
277
278 bad:
279 bus_space_unmap(sc->sc_iot, sc->sc_ioh, WSS_CODEC);
280 if (sc->mad_chip_type != MAD_NONE)
281 bus_space_unmap(sc->sc_iot, sc->sc_mad_ioh, MAD_NPORT);
282 return 0;
283 }
284
285 /*
286 * Attach hardware to driver, attach hardware driver to audio
287 * pseudo-device driver .
288 */
289 void
290 wssattach(parent, self, aux)
291 struct device *parent, *self;
292 void *aux;
293 {
294 register struct wss_softc *sc = (struct wss_softc *)self;
295 struct isa_attach_args *ia = (struct isa_attach_args *)aux;
296 int version;
297 int err;
298
299 sc->sc_ad1848.sc_recdrq = ia->ia_drq;
300 sc->sc_ad1848.sc_isa = parent;
301
302 #ifdef NEWCONFIG
303 isa_establish(&sc->sc_id, &sc->sc_dev);
304 #endif
305 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, IPL_AUDIO,
306 ad1848_intr, &sc->sc_ad1848);
307
308 ad1848_attach(&sc->sc_ad1848);
309
310 version = bus_space_read_1(sc->sc_iot, sc->sc_ioh, WSS_STATUS) & WSS_VERSMASK;
311 printf(" (vers %d)", version);
312 if (sc->mad_chip_type != MAD_NONE)
313 printf(", %s",
314 sc->mad_chip_type == MAD_82C929 ? "82C929" :
315 sc->mad_chip_type == MAD_82C928 ? "82C928" :
316 "OTI-601D");
317 printf("\n");
318
319 sc->sc_ad1848.parent = sc;
320
321 if ((err = audio_hardware_attach(&wss_hw_if, &sc->sc_ad1848, &sc->sc_dev)) != 0)
322 printf("wss: could not attach to audio pseudo-device driver (%d)\n", err);
323 }
324
325 static int
326 wss_to_vol(cp, vol)
327 mixer_ctrl_t *cp;
328 struct ad1848_volume *vol;
329 {
330 if (cp->un.value.num_channels == 1) {
331 vol->left = vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
332 return(1);
333 }
334 else if (cp->un.value.num_channels == 2) {
335 vol->left = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
336 vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
337 return(1);
338 }
339 return(0);
340 }
341
342 static int
343 wss_from_vol(cp, vol)
344 mixer_ctrl_t *cp;
345 struct ad1848_volume *vol;
346 {
347 if (cp->un.value.num_channels == 1) {
348 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol->left;
349 return(1);
350 }
351 else if (cp->un.value.num_channels == 2) {
352 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = vol->left;
353 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = vol->right;
354 return(1);
355 }
356 return(0);
357 }
358
359 int
360 wss_getdev(addr, retp)
361 void *addr;
362 struct audio_device *retp;
363 {
364 *retp = wss_device;
365 return 0;
366 }
367
368 int
369 wss_set_out_port(addr, port)
370 void *addr;
371 int port;
372 {
373 DPRINTF(("wss_set_out_port:\n"));
374 return(EINVAL);
375 }
376
377 int
378 wss_get_out_port(addr)
379 void *addr;
380 {
381 DPRINTF(("wss_get_out_port:\n"));
382 return(WSS_DAC_LVL);
383 }
384
385 int
386 wss_set_in_port(addr, port)
387 void *addr;
388 int port;
389 {
390 register struct ad1848_softc *ac = addr;
391
392 DPRINTF(("wss_set_in_port: %d\n", port));
393
394 switch(port) {
395 case WSS_MIC_IN_LVL:
396 port = MIC_IN_PORT;
397 break;
398 case WSS_LINE_IN_LVL:
399 port = LINE_IN_PORT;
400 break;
401 case WSS_DAC_LVL:
402 port = DAC_IN_PORT;
403 break;
404 default:
405 return(EINVAL);
406 /*NOTREACHED*/
407 }
408
409 return(ad1848_set_rec_port(ac, port));
410 }
411
412 int
413 wss_get_in_port(addr)
414 void *addr;
415 {
416 register struct ad1848_softc *ac = addr;
417 int port = WSS_MIC_IN_LVL;
418
419 switch(ad1848_get_rec_port(ac)) {
420 case MIC_IN_PORT:
421 port = WSS_MIC_IN_LVL;
422 break;
423 case LINE_IN_PORT:
424 port = WSS_LINE_IN_LVL;
425 break;
426 case DAC_IN_PORT:
427 port = WSS_DAC_LVL;
428 break;
429 }
430
431 DPRINTF(("wss_get_in_port: %d\n", port));
432
433 return(port);
434 }
435
436 int
437 wss_mixer_set_port(addr, cp)
438 void *addr;
439 mixer_ctrl_t *cp;
440 {
441 register struct ad1848_softc *ac = addr;
442 register struct wss_softc *sc = ac->parent;
443 struct ad1848_volume vol;
444 int error = EINVAL;
445
446 DPRINTF(("wss_mixer_set_port: dev=%d type=%d\n", cp->dev, cp->type));
447
448 switch (cp->dev) {
449 case WSS_MIC_IN_LVL: /* Microphone */
450 if (cp->type == AUDIO_MIXER_VALUE) {
451 if (wss_to_vol(cp, &vol))
452 error = ad1848_set_aux2_gain(ac, &vol);
453 }
454 break;
455
456 case WSS_MIC_IN_MUTE: /* Microphone */
457 if (cp->type == AUDIO_MIXER_ENUM) {
458 sc->mic_mute = cp->un.ord;
459 DPRINTF(("mic mute %d\n", cp->un.ord));
460 error = 0;
461 }
462 break;
463
464 case WSS_LINE_IN_LVL: /* linein/CD */
465 if (cp->type == AUDIO_MIXER_VALUE) {
466 if (wss_to_vol(cp, &vol))
467 error = ad1848_set_aux1_gain(ac, &vol);
468 }
469 break;
470
471 case WSS_LINE_IN_MUTE: /* linein/CD */
472 if (cp->type == AUDIO_MIXER_ENUM) {
473 sc->cd_mute = cp->un.ord;
474 DPRINTF(("CD mute %d\n", cp->un.ord));
475 error = 0;
476 }
477 break;
478
479 case WSS_DAC_LVL: /* dac out */
480 if (cp->type == AUDIO_MIXER_VALUE) {
481 if (wss_to_vol(cp, &vol))
482 error = ad1848_set_out_gain(ac, &vol);
483 }
484 break;
485
486 case WSS_DAC_MUTE: /* dac out */
487 if (cp->type == AUDIO_MIXER_ENUM) {
488 sc->dac_mute = cp->un.ord;
489 DPRINTF(("DAC mute %d\n", cp->un.ord));
490 error = 0;
491 }
492 break;
493
494 case WSS_REC_LVL: /* record level */
495 if (cp->type == AUDIO_MIXER_VALUE) {
496 if (wss_to_vol(cp, &vol))
497 error = ad1848_set_rec_gain(ac, &vol);
498 }
499 break;
500
501 case WSS_RECORD_SOURCE:
502 if (cp->type == AUDIO_MIXER_ENUM) {
503 error = ad1848_set_rec_port(ac, cp->un.ord);
504 }
505 break;
506
507 case WSS_MON_LVL:
508 if (cp->type == AUDIO_MIXER_VALUE && cp->un.value.num_channels == 1) {
509 vol.left = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
510 error = ad1848_set_mon_gain(ac, &vol);
511 }
512 break;
513
514 default:
515 return ENXIO;
516 /*NOTREACHED*/
517 }
518
519 return 0;
520 }
521
522 int
523 wss_mixer_get_port(addr, cp)
524 void *addr;
525 mixer_ctrl_t *cp;
526 {
527 register struct ad1848_softc *ac = addr;
528 register struct wss_softc *sc = ac->parent;
529 struct ad1848_volume vol;
530 int error = EINVAL;
531
532 DPRINTF(("wss_mixer_get_port: port=%d\n", cp->dev));
533
534 switch (cp->dev) {
535 case WSS_MIC_IN_LVL: /* Microphone */
536 if (cp->type == AUDIO_MIXER_VALUE) {
537 error = ad1848_get_aux2_gain(ac, &vol);
538 if (!error)
539 wss_from_vol(cp, &vol);
540 }
541 break;
542
543 case WSS_MIC_IN_MUTE:
544 if (cp->type == AUDIO_MIXER_ENUM) {
545 cp->un.ord = sc->mic_mute;
546 error = 0;
547 }
548 break;
549
550 case WSS_LINE_IN_LVL: /* linein/CD */
551 if (cp->type == AUDIO_MIXER_VALUE) {
552 error = ad1848_get_aux1_gain(ac, &vol);
553 if (!error)
554 wss_from_vol(cp, &vol);
555 }
556 break;
557
558 case WSS_LINE_IN_MUTE:
559 if (cp->type == AUDIO_MIXER_ENUM) {
560 cp->un.ord = sc->cd_mute;
561 error = 0;
562 }
563 break;
564
565 case WSS_DAC_LVL: /* dac out */
566 if (cp->type == AUDIO_MIXER_VALUE) {
567 error = ad1848_get_out_gain(ac, &vol);
568 if (!error)
569 wss_from_vol(cp, &vol);
570 }
571 break;
572
573 case WSS_DAC_MUTE:
574 if (cp->type == AUDIO_MIXER_ENUM) {
575 cp->un.ord = sc->dac_mute;
576 error = 0;
577 }
578 break;
579
580 case WSS_REC_LVL: /* record level */
581 if (cp->type == AUDIO_MIXER_VALUE) {
582 error = ad1848_get_rec_gain(ac, &vol);
583 if (!error)
584 wss_from_vol(cp, &vol);
585 }
586 break;
587
588 case WSS_RECORD_SOURCE:
589 if (cp->type == AUDIO_MIXER_ENUM) {
590 cp->un.ord = ad1848_get_rec_port(ac);
591 error = 0;
592 }
593 break;
594
595 case WSS_MON_LVL: /* monitor level */
596 if (cp->type == AUDIO_MIXER_VALUE && cp->un.value.num_channels == 1) {
597 error = ad1848_get_mon_gain(ac, &vol);
598 if (!error)
599 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol.left;
600 }
601 break;
602
603 default:
604 error = ENXIO;
605 break;
606 }
607
608 return(error);
609 }
610
611 int
612 wss_query_devinfo(addr, dip)
613 void *addr;
614 register mixer_devinfo_t *dip;
615 {
616 DPRINTF(("wss_query_devinfo: index=%d\n", dip->index));
617
618 switch(dip->index) {
619 case WSS_MIC_IN_LVL: /* Microphone */
620 dip->type = AUDIO_MIXER_VALUE;
621 dip->mixer_class = WSS_INPUT_CLASS;
622 dip->prev = AUDIO_MIXER_LAST;
623 dip->next = WSS_MIC_IN_MUTE;
624 strcpy(dip->label.name, AudioNmicrophone);
625 dip->un.v.num_channels = 2;
626 strcpy(dip->un.v.units.name, AudioNvolume);
627 break;
628
629 case WSS_LINE_IN_LVL: /* line/CD */
630 dip->type = AUDIO_MIXER_VALUE;
631 dip->mixer_class = WSS_INPUT_CLASS;
632 dip->prev = AUDIO_MIXER_LAST;
633 dip->next = WSS_LINE_IN_MUTE;
634 strcpy(dip->label.name, AudioNcd);
635 dip->un.v.num_channels = 2;
636 strcpy(dip->un.v.units.name, AudioNvolume);
637 break;
638
639 case WSS_DAC_LVL: /* dacout */
640 dip->type = AUDIO_MIXER_VALUE;
641 dip->mixer_class = WSS_INPUT_CLASS;
642 dip->prev = AUDIO_MIXER_LAST;
643 dip->next = WSS_DAC_MUTE;
644 strcpy(dip->label.name, AudioNdac);
645 dip->un.v.num_channels = 2;
646 strcpy(dip->un.v.units.name, AudioNvolume);
647 break;
648
649 case WSS_REC_LVL: /* record level */
650 dip->type = AUDIO_MIXER_VALUE;
651 dip->mixer_class = WSS_RECORD_CLASS;
652 dip->prev = AUDIO_MIXER_LAST;
653 dip->next = WSS_RECORD_SOURCE;
654 strcpy(dip->label.name, AudioNrecord);
655 dip->un.v.num_channels = 2;
656 strcpy(dip->un.v.units.name, AudioNvolume);
657 break;
658
659 case WSS_MON_LVL: /* monitor level */
660 dip->type = AUDIO_MIXER_VALUE;
661 dip->mixer_class = WSS_MONITOR_CLASS;
662 dip->next = dip->prev = AUDIO_MIXER_LAST;
663 strcpy(dip->label.name, AudioNmonitor);
664 dip->un.v.num_channels = 1;
665 strcpy(dip->un.v.units.name, AudioNvolume);
666 break;
667
668 case WSS_INPUT_CLASS: /* input class descriptor */
669 dip->type = AUDIO_MIXER_CLASS;
670 dip->mixer_class = WSS_INPUT_CLASS;
671 dip->next = dip->prev = AUDIO_MIXER_LAST;
672 strcpy(dip->label.name, AudioCInputs);
673 break;
674
675 case WSS_MONITOR_CLASS: /* monitor class descriptor */
676 dip->type = AUDIO_MIXER_CLASS;
677 dip->mixer_class = WSS_MONITOR_CLASS;
678 dip->next = dip->prev = AUDIO_MIXER_LAST;
679 strcpy(dip->label.name, AudioCMonitor);
680 break;
681
682 case WSS_RECORD_CLASS: /* record source class */
683 dip->type = AUDIO_MIXER_CLASS;
684 dip->mixer_class = WSS_RECORD_CLASS;
685 dip->next = dip->prev = AUDIO_MIXER_LAST;
686 strcpy(dip->label.name, AudioCRecord);
687 break;
688
689 case WSS_MIC_IN_MUTE:
690 dip->mixer_class = WSS_INPUT_CLASS;
691 dip->type = AUDIO_MIXER_ENUM;
692 dip->prev = WSS_MIC_IN_LVL;
693 dip->next = AUDIO_MIXER_LAST;
694 goto mute;
695
696 case WSS_LINE_IN_MUTE:
697 dip->mixer_class = WSS_INPUT_CLASS;
698 dip->type = AUDIO_MIXER_ENUM;
699 dip->prev = WSS_LINE_IN_LVL;
700 dip->next = AUDIO_MIXER_LAST;
701 goto mute;
702
703 case WSS_DAC_MUTE:
704 dip->mixer_class = WSS_INPUT_CLASS;
705 dip->type = AUDIO_MIXER_ENUM;
706 dip->prev = WSS_DAC_LVL;
707 dip->next = AUDIO_MIXER_LAST;
708 mute:
709 strcpy(dip->label.name, AudioNmute);
710 dip->un.e.num_mem = 2;
711 strcpy(dip->un.e.member[0].label.name, AudioNoff);
712 dip->un.e.member[0].ord = 0;
713 strcpy(dip->un.e.member[1].label.name, AudioNon);
714 dip->un.e.member[1].ord = 1;
715 break;
716
717 case WSS_RECORD_SOURCE:
718 dip->mixer_class = WSS_RECORD_CLASS;
719 dip->type = AUDIO_MIXER_ENUM;
720 dip->prev = WSS_REC_LVL;
721 dip->next = AUDIO_MIXER_LAST;
722 strcpy(dip->label.name, AudioNsource);
723 dip->un.e.num_mem = 3;
724 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone);
725 dip->un.e.member[0].ord = WSS_MIC_IN_LVL;
726 strcpy(dip->un.e.member[1].label.name, AudioNcd);
727 dip->un.e.member[1].ord = WSS_LINE_IN_LVL;
728 strcpy(dip->un.e.member[2].label.name, AudioNdac);
729 dip->un.e.member[2].ord = WSS_DAC_LVL;
730 break;
731
732 default:
733 return ENXIO;
734 /*NOTREACHED*/
735 }
736 DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name));
737
738 return 0;
739 }
740
741 /*
742 * Initialization code for OPTi MAD16 compatible audio chips. Including
743 *
744 * OPTi 82C928 MAD16 (replaced by C929)
745 * OAK OTI-601D Mozart
746 * OPTi 82C929 MAD16 Pro
747 *
748 */
749 static unsigned int mad_read __P((struct wss_softc *, int, int));
750 static void mad_write __P((struct wss_softc *, int, int, int));
751 static int detect_mad16 __P((struct wss_softc *, int));
752
753 static unsigned int
754 mad_read(sc, chip_type, port)
755 struct wss_softc *sc;
756 int chip_type;
757 int port;
758 {
759 unsigned int tmp;
760 int s = splaudio(); /* don't want an interrupt between outb&inb */
761
762 switch (chip_type) { /* Output password */
763 case MAD_82C928:
764 case MAD_OTI601D:
765 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, MC_PASSWD_REG, M_PASSWD_928);
766 break;
767 case MAD_82C929:
768 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, MC_PASSWD_REG, M_PASSWD_929);
769 break;
770 }
771 tmp = bus_space_read_1(sc->sc_iot, sc->sc_mad_ioh, port);
772 splx(s);
773 return tmp;
774 }
775
776 static void
777 mad_write(sc, chip_type, port, value)
778 struct wss_softc *sc;
779 int chip_type;
780 int port;
781 int value;
782 {
783 int s = splaudio(); /* don't want an interrupt between outb&outb */
784
785 switch (chip_type) { /* Output password */
786 case MAD_82C928:
787 case MAD_OTI601D:
788 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, MC_PASSWD_REG, M_PASSWD_928);
789 break;
790 case MAD_82C929:
791 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, MC_PASSWD_REG, M_PASSWD_929);
792 break;
793 }
794 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, port, value & 0xff);
795 splx(s);
796 }
797
798 static int
799 detect_mad16(sc, chip_type)
800 struct wss_softc *sc;
801 int chip_type;
802 {
803 unsigned char tmp, tmp2;
804
805 /*
806 * Check that reading a register doesn't return bus float (0xff)
807 * when the card is accessed using password. This may fail in case
808 * the card is in low power mode. Normally at least the power saving mode
809 * bit should be 0.
810 */
811 if ((tmp = mad_read(sc, chip_type, MC1_PORT)) == 0xff) {
812 DPRINTF(("MC1_PORT returned 0xff\n"));
813 return 0;
814 }
815
816 /*
817 * Now check that the gate is closed on first I/O after writing
818 * the password. (This is how a MAD16 compatible card works).
819 */
820 if ((tmp2 = bus_space_read_1(sc->sc_iot, sc->sc_mad_ioh, MC1_PORT)) == tmp) { /* It didn't close */
821 DPRINTF(("MC1_PORT didn't close after read (0x%02x)\n", tmp2));
822 return 0;
823 }
824
825 mad_write(sc, chip_type, MC1_PORT, tmp ^ 0x80); /* Toggle a bit */
826
827 /* Compare the bit */
828 if ((tmp2 = mad_read(sc, chip_type, MC1_PORT)) != (tmp ^ 0x80)) {
829 mad_write(sc, chip_type, MC1_PORT, tmp); /* Restore */
830 DPRINTF(("Bit revert test failed (0x%02x, 0x%02x)\n", tmp, tmp2));
831 return 0;
832 }
833
834 mad_write(sc, chip_type, MC1_PORT, tmp); /* Restore */
835 return 1;
836 }
837
838 static int
839 madprobe(sc, iobase)
840 struct wss_softc *sc;
841 int iobase;
842 {
843 static int valid_ports[M_WSS_NPORTS] =
844 { M_WSS_PORT0, M_WSS_PORT1, M_WSS_PORT2, M_WSS_PORT3 };
845 int i;
846 int chip_type;
847 bus_space_handle_t hdl1, hdl2, hdl3;
848
849 if (bus_space_map(sc->sc_iot, MAD_BASE, MAD_NPORT, 0, &sc->sc_mad_ioh))
850 return MAD_NONE;
851
852 /* Allocate bus space that the MAD chip wants */
853 if (bus_space_map(sc->sc_iot, MAD_REG1, MAD_LEN1, 0, &hdl1)) goto bad1;
854 if (bus_space_map(sc->sc_iot, MAD_REG2, MAD_LEN2, 0, &hdl2)) goto bad2;
855 if (bus_space_map(sc->sc_iot, MAD_REG3, MAD_LEN3, 0, &hdl3)) goto bad3;
856
857 DPRINTF(("mad: Detect using password = 0xE2\n"));
858 if (!detect_mad16(sc, MAD_82C928)) {
859 /* No luck. Try different model */
860 DPRINTF(("mad: Detect using password = 0xE3\n"));
861 if (!detect_mad16(sc, MAD_82C929))
862 goto bad;
863 chip_type = MAD_82C929;
864 DPRINTF(("mad: 82C929 detected\n"));
865 } else {
866 if ((mad_read(sc, MAD_82C928, MC3_PORT) & 0x03) == 0x03) {
867 DPRINTF(("mad: Mozart detected\n"));
868 chip_type = MAD_OTI601D;
869 } else {
870 DPRINTF(("mad: 82C928 detected?\n"));
871 chip_type = MAD_82C928;
872 }
873 }
874
875 #ifdef AUDIO_DEBUG
876 if (wssdebug)
877 for (i = MC1_PORT; i <= MC7_PORT; i++)
878 printf("mad: port %03x = %02x\n", i, mad_read(sc, chip_type, i));
879 #endif
880
881 /* Set the WSS address. */
882 for (i = 0; i < M_WSS_NPORTS; i++)
883 if (valid_ports[i] == iobase)
884 break;
885 if (i >= M_WSS_NPORTS) { /* Not a valid port */
886 printf("mad: Bad WSS base address 0x%x\n", iobase);
887 goto bad;
888 }
889 /* enable WSS emulation at the I/O port, no joystick */
890 mad_write(sc, chip_type, MC1_PORT, M_WSS_PORT_SELECT(i) | MC1_JOYDISABLE);
891
892 mad_write(sc, chip_type, MC2_PORT, 0x03); /* ? */
893 mad_write(sc, chip_type, MC3_PORT, 0xf0); /* Disable SB */
894
895 return chip_type;
896 bad:
897 bus_space_unmap(sc->sc_iot, hdl3, MAD_LEN3);
898 bad3:
899 bus_space_unmap(sc->sc_iot, hdl2, MAD_LEN2);
900 bad2:
901 bus_space_unmap(sc->sc_iot, hdl1, MAD_LEN1);
902 bad1:
903 bus_space_unmap(sc->sc_iot, sc->sc_mad_ioh, MAD_NPORT);
904 return MAD_NONE;
905 }
906
907 static void
908 madprobedone(sc)
909 struct wss_softc *sc;
910 {
911 int chip_type = sc->mad_chip_type;
912 unsigned char cs4231_mode;
913
914 cs4231_mode =
915 strncmp(sc->sc_ad1848.chip_name, "CS4248", 6) == 0 ||
916 strncmp(sc->sc_ad1848.chip_name, "CS4231", 6) == 0 ? 0x02 : 0;
917
918 if (chip_type == MAD_82C929) {
919 mad_write(sc, chip_type, MC4_PORT, 0xa2);
920 mad_write(sc, chip_type, MC5_PORT, 0xA5 | cs4231_mode);
921 mad_write(sc, chip_type, MC6_PORT, 0x03); /* Disable MPU401 */
922 } else {
923 mad_write(sc, chip_type, MC4_PORT, 0x02);
924 mad_write(sc, chip_type, MC5_PORT, 0x30 | cs4231_mode);
925 }
926
927 #ifdef AUDIO_DEBUG
928 if (wssdebug) {
929 int i;
930 for (i = MC1_PORT; i <= MC7_PORT; i++)
931 DPRINTF(("port %03x after init = %02x\n", i, mad_read(sc, chip_type, i)));
932 }
933 #endif
934 }
935