wss.c revision 1.31 1 /* $NetBSD: wss.c,v 1.31 1997/08/04 22:13:34 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 struct wss_softc *sc = match;
213 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 /* XXX reqdrq? */
251 if (sc->wss_drq != -1 && isa_drq_isfree(parent, sc->wss_drq) == 0)
252 goto bad;
253
254 #ifdef NEWCONFIG
255 /*
256 * If the IRQ wasn't compiled in, auto-detect it.
257 */
258 if (ia->ia_irq == IRQUNK) {
259 ia->ia_irq = isa_discoverintr(ad1848_forceintr, &sc->sc_ad1848);
260 if (!WSS_IRQ_VALID(ia->ia_irq)) {
261 printf("wss: couldn't auto-detect interrupt\n");
262 goto bad;
263 }
264 }
265 else
266 #endif
267 if (!WSS_IRQ_VALID(ia->ia_irq)) {
268 DPRINTF(("wss: configured interrupt %d invalid\n", ia->ia_irq));
269 goto bad;
270 }
271
272 sc->wss_irq = ia->ia_irq;
273
274 bus_space_write_1(sc->sc_iot, sc->sc_ioh, WSS_CONFIG,
275 (interrupt_bits[ia->ia_irq] | dma_bits[ia->ia_drq]));
276
277 if (sc->mad_chip_type != MAD_NONE)
278 madprobedone(sc);
279
280 return 1;
281
282 bad:
283 bus_space_unmap(sc->sc_iot, sc->sc_ioh, WSS_CODEC);
284 if (sc->mad_chip_type != MAD_NONE)
285 bus_space_unmap(sc->sc_iot, sc->sc_mad_ioh, MAD_NPORT);
286 return 0;
287 }
288
289 /*
290 * Attach hardware to driver, attach hardware driver to audio
291 * pseudo-device driver .
292 */
293 void
294 wssattach(parent, self, aux)
295 struct device *parent, *self;
296 void *aux;
297 {
298 struct wss_softc *sc = (struct wss_softc *)self;
299 struct isa_attach_args *ia = (struct isa_attach_args *)aux;
300 int version;
301 int err;
302
303 sc->sc_ad1848.sc_recdrq = ia->ia_drq;
304 sc->sc_ad1848.sc_isa = parent;
305
306 #ifdef NEWCONFIG
307 isa_establish(&sc->sc_id, &sc->sc_dev);
308 #endif
309 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, IPL_AUDIO,
310 ad1848_intr, &sc->sc_ad1848);
311
312 ad1848_attach(&sc->sc_ad1848);
313
314 version = bus_space_read_1(sc->sc_iot, sc->sc_ioh, WSS_STATUS) & WSS_VERSMASK;
315 printf(" (vers %d)", version);
316 if (sc->mad_chip_type != MAD_NONE)
317 printf(", %s",
318 sc->mad_chip_type == MAD_82C929 ? "82C929" :
319 sc->mad_chip_type == MAD_82C928 ? "82C928" :
320 "OTI-601D");
321 printf("\n");
322
323 sc->sc_ad1848.parent = sc;
324
325 if ((err = audio_hardware_attach(&wss_hw_if, &sc->sc_ad1848, &sc->sc_dev)) != 0)
326 printf("wss: could not attach to audio pseudo-device driver (%d)\n", err);
327 }
328
329 static int
330 wss_to_vol(cp, vol)
331 mixer_ctrl_t *cp;
332 struct ad1848_volume *vol;
333 {
334 if (cp->un.value.num_channels == 1) {
335 vol->left = vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
336 return(1);
337 }
338 else if (cp->un.value.num_channels == 2) {
339 vol->left = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
340 vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
341 return(1);
342 }
343 return(0);
344 }
345
346 static int
347 wss_from_vol(cp, vol)
348 mixer_ctrl_t *cp;
349 struct ad1848_volume *vol;
350 {
351 if (cp->un.value.num_channels == 1) {
352 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol->left;
353 return(1);
354 }
355 else if (cp->un.value.num_channels == 2) {
356 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = vol->left;
357 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = vol->right;
358 return(1);
359 }
360 return(0);
361 }
362
363 int
364 wss_getdev(addr, retp)
365 void *addr;
366 struct audio_device *retp;
367 {
368 *retp = wss_device;
369 return 0;
370 }
371
372 int
373 wss_set_out_port(addr, port)
374 void *addr;
375 int port;
376 {
377 DPRINTF(("wss_set_out_port:\n"));
378 return(EINVAL);
379 }
380
381 int
382 wss_get_out_port(addr)
383 void *addr;
384 {
385 DPRINTF(("wss_get_out_port:\n"));
386 return(WSS_DAC_LVL);
387 }
388
389 int
390 wss_set_in_port(addr, port)
391 void *addr;
392 int port;
393 {
394 struct ad1848_softc *ac = addr;
395
396 DPRINTF(("wss_set_in_port: %d\n", port));
397
398 switch(port) {
399 case WSS_MIC_IN_LVL:
400 port = MIC_IN_PORT;
401 break;
402 case WSS_LINE_IN_LVL:
403 port = LINE_IN_PORT;
404 break;
405 case WSS_DAC_LVL:
406 port = DAC_IN_PORT;
407 break;
408 default:
409 return(EINVAL);
410 /*NOTREACHED*/
411 }
412
413 return(ad1848_set_rec_port(ac, port));
414 }
415
416 int
417 wss_get_in_port(addr)
418 void *addr;
419 {
420 struct ad1848_softc *ac = addr;
421 int port = WSS_MIC_IN_LVL;
422
423 switch(ad1848_get_rec_port(ac)) {
424 case MIC_IN_PORT:
425 port = WSS_MIC_IN_LVL;
426 break;
427 case LINE_IN_PORT:
428 port = WSS_LINE_IN_LVL;
429 break;
430 case DAC_IN_PORT:
431 port = WSS_DAC_LVL;
432 break;
433 }
434
435 DPRINTF(("wss_get_in_port: %d\n", port));
436
437 return(port);
438 }
439
440 int
441 wss_mixer_set_port(addr, cp)
442 void *addr;
443 mixer_ctrl_t *cp;
444 {
445 struct ad1848_softc *ac = addr;
446 struct wss_softc *sc = ac->parent;
447 struct ad1848_volume vol;
448 int error = EINVAL;
449
450 DPRINTF(("wss_mixer_set_port: dev=%d type=%d\n", cp->dev, cp->type));
451
452 switch (cp->dev) {
453 case WSS_MIC_IN_LVL: /* Microphone */
454 if (cp->type == AUDIO_MIXER_VALUE) {
455 if (wss_to_vol(cp, &vol))
456 error = ad1848_set_aux2_gain(ac, &vol);
457 }
458 break;
459
460 case WSS_MIC_IN_MUTE: /* Microphone */
461 if (cp->type == AUDIO_MIXER_ENUM) {
462 sc->mic_mute = cp->un.ord;
463 DPRINTF(("mic mute %d\n", cp->un.ord));
464 error = 0;
465 }
466 break;
467
468 case WSS_LINE_IN_LVL: /* linein/CD */
469 if (cp->type == AUDIO_MIXER_VALUE) {
470 if (wss_to_vol(cp, &vol))
471 error = ad1848_set_aux1_gain(ac, &vol);
472 }
473 break;
474
475 case WSS_LINE_IN_MUTE: /* linein/CD */
476 if (cp->type == AUDIO_MIXER_ENUM) {
477 sc->cd_mute = cp->un.ord;
478 DPRINTF(("CD mute %d\n", cp->un.ord));
479 error = 0;
480 }
481 break;
482
483 case WSS_DAC_LVL: /* dac out */
484 if (cp->type == AUDIO_MIXER_VALUE) {
485 if (wss_to_vol(cp, &vol))
486 error = ad1848_set_out_gain(ac, &vol);
487 }
488 break;
489
490 case WSS_DAC_MUTE: /* dac out */
491 if (cp->type == AUDIO_MIXER_ENUM) {
492 sc->dac_mute = cp->un.ord;
493 DPRINTF(("DAC mute %d\n", cp->un.ord));
494 error = 0;
495 }
496 break;
497
498 case WSS_REC_LVL: /* record level */
499 if (cp->type == AUDIO_MIXER_VALUE) {
500 if (wss_to_vol(cp, &vol))
501 error = ad1848_set_rec_gain(ac, &vol);
502 }
503 break;
504
505 case WSS_RECORD_SOURCE:
506 if (cp->type == AUDIO_MIXER_ENUM) {
507 error = ad1848_set_rec_port(ac, cp->un.ord);
508 }
509 break;
510
511 case WSS_MON_LVL:
512 if (cp->type == AUDIO_MIXER_VALUE && cp->un.value.num_channels == 1) {
513 vol.left = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
514 error = ad1848_set_mon_gain(ac, &vol);
515 }
516 break;
517
518 default:
519 return ENXIO;
520 /*NOTREACHED*/
521 }
522
523 return 0;
524 }
525
526 int
527 wss_mixer_get_port(addr, cp)
528 void *addr;
529 mixer_ctrl_t *cp;
530 {
531 struct ad1848_softc *ac = addr;
532 struct wss_softc *sc = ac->parent;
533 struct ad1848_volume vol;
534 int error = EINVAL;
535
536 DPRINTF(("wss_mixer_get_port: port=%d\n", cp->dev));
537
538 switch (cp->dev) {
539 case WSS_MIC_IN_LVL: /* Microphone */
540 if (cp->type == AUDIO_MIXER_VALUE) {
541 error = ad1848_get_aux2_gain(ac, &vol);
542 if (!error)
543 wss_from_vol(cp, &vol);
544 }
545 break;
546
547 case WSS_MIC_IN_MUTE:
548 if (cp->type == AUDIO_MIXER_ENUM) {
549 cp->un.ord = sc->mic_mute;
550 error = 0;
551 }
552 break;
553
554 case WSS_LINE_IN_LVL: /* linein/CD */
555 if (cp->type == AUDIO_MIXER_VALUE) {
556 error = ad1848_get_aux1_gain(ac, &vol);
557 if (!error)
558 wss_from_vol(cp, &vol);
559 }
560 break;
561
562 case WSS_LINE_IN_MUTE:
563 if (cp->type == AUDIO_MIXER_ENUM) {
564 cp->un.ord = sc->cd_mute;
565 error = 0;
566 }
567 break;
568
569 case WSS_DAC_LVL: /* dac out */
570 if (cp->type == AUDIO_MIXER_VALUE) {
571 error = ad1848_get_out_gain(ac, &vol);
572 if (!error)
573 wss_from_vol(cp, &vol);
574 }
575 break;
576
577 case WSS_DAC_MUTE:
578 if (cp->type == AUDIO_MIXER_ENUM) {
579 cp->un.ord = sc->dac_mute;
580 error = 0;
581 }
582 break;
583
584 case WSS_REC_LVL: /* record level */
585 if (cp->type == AUDIO_MIXER_VALUE) {
586 error = ad1848_get_rec_gain(ac, &vol);
587 if (!error)
588 wss_from_vol(cp, &vol);
589 }
590 break;
591
592 case WSS_RECORD_SOURCE:
593 if (cp->type == AUDIO_MIXER_ENUM) {
594 cp->un.ord = ad1848_get_rec_port(ac);
595 error = 0;
596 }
597 break;
598
599 case WSS_MON_LVL: /* monitor level */
600 if (cp->type == AUDIO_MIXER_VALUE && cp->un.value.num_channels == 1) {
601 error = ad1848_get_mon_gain(ac, &vol);
602 if (!error)
603 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol.left;
604 }
605 break;
606
607 default:
608 error = ENXIO;
609 break;
610 }
611
612 return(error);
613 }
614
615 int
616 wss_query_devinfo(addr, dip)
617 void *addr;
618 mixer_devinfo_t *dip;
619 {
620 DPRINTF(("wss_query_devinfo: index=%d\n", dip->index));
621
622 switch(dip->index) {
623 case WSS_MIC_IN_LVL: /* Microphone */
624 dip->type = AUDIO_MIXER_VALUE;
625 dip->mixer_class = WSS_INPUT_CLASS;
626 dip->prev = AUDIO_MIXER_LAST;
627 dip->next = WSS_MIC_IN_MUTE;
628 strcpy(dip->label.name, AudioNmicrophone);
629 dip->un.v.num_channels = 2;
630 strcpy(dip->un.v.units.name, AudioNvolume);
631 break;
632
633 case WSS_LINE_IN_LVL: /* line/CD */
634 dip->type = AUDIO_MIXER_VALUE;
635 dip->mixer_class = WSS_INPUT_CLASS;
636 dip->prev = AUDIO_MIXER_LAST;
637 dip->next = WSS_LINE_IN_MUTE;
638 strcpy(dip->label.name, AudioNcd);
639 dip->un.v.num_channels = 2;
640 strcpy(dip->un.v.units.name, AudioNvolume);
641 break;
642
643 case WSS_DAC_LVL: /* dacout */
644 dip->type = AUDIO_MIXER_VALUE;
645 dip->mixer_class = WSS_INPUT_CLASS;
646 dip->prev = AUDIO_MIXER_LAST;
647 dip->next = WSS_DAC_MUTE;
648 strcpy(dip->label.name, AudioNdac);
649 dip->un.v.num_channels = 2;
650 strcpy(dip->un.v.units.name, AudioNvolume);
651 break;
652
653 case WSS_REC_LVL: /* record level */
654 dip->type = AUDIO_MIXER_VALUE;
655 dip->mixer_class = WSS_RECORD_CLASS;
656 dip->prev = AUDIO_MIXER_LAST;
657 dip->next = WSS_RECORD_SOURCE;
658 strcpy(dip->label.name, AudioNrecord);
659 dip->un.v.num_channels = 2;
660 strcpy(dip->un.v.units.name, AudioNvolume);
661 break;
662
663 case WSS_MON_LVL: /* monitor level */
664 dip->type = AUDIO_MIXER_VALUE;
665 dip->mixer_class = WSS_MONITOR_CLASS;
666 dip->next = dip->prev = AUDIO_MIXER_LAST;
667 strcpy(dip->label.name, AudioNmonitor);
668 dip->un.v.num_channels = 1;
669 strcpy(dip->un.v.units.name, AudioNvolume);
670 break;
671
672 case WSS_INPUT_CLASS: /* input class descriptor */
673 dip->type = AUDIO_MIXER_CLASS;
674 dip->mixer_class = WSS_INPUT_CLASS;
675 dip->next = dip->prev = AUDIO_MIXER_LAST;
676 strcpy(dip->label.name, AudioCInputs);
677 break;
678
679 case WSS_MONITOR_CLASS: /* monitor class descriptor */
680 dip->type = AUDIO_MIXER_CLASS;
681 dip->mixer_class = WSS_MONITOR_CLASS;
682 dip->next = dip->prev = AUDIO_MIXER_LAST;
683 strcpy(dip->label.name, AudioCMonitor);
684 break;
685
686 case WSS_RECORD_CLASS: /* record source class */
687 dip->type = AUDIO_MIXER_CLASS;
688 dip->mixer_class = WSS_RECORD_CLASS;
689 dip->next = dip->prev = AUDIO_MIXER_LAST;
690 strcpy(dip->label.name, AudioCRecord);
691 break;
692
693 case WSS_MIC_IN_MUTE:
694 dip->mixer_class = WSS_INPUT_CLASS;
695 dip->type = AUDIO_MIXER_ENUM;
696 dip->prev = WSS_MIC_IN_LVL;
697 dip->next = AUDIO_MIXER_LAST;
698 goto mute;
699
700 case WSS_LINE_IN_MUTE:
701 dip->mixer_class = WSS_INPUT_CLASS;
702 dip->type = AUDIO_MIXER_ENUM;
703 dip->prev = WSS_LINE_IN_LVL;
704 dip->next = AUDIO_MIXER_LAST;
705 goto mute;
706
707 case WSS_DAC_MUTE:
708 dip->mixer_class = WSS_INPUT_CLASS;
709 dip->type = AUDIO_MIXER_ENUM;
710 dip->prev = WSS_DAC_LVL;
711 dip->next = AUDIO_MIXER_LAST;
712 mute:
713 strcpy(dip->label.name, AudioNmute);
714 dip->un.e.num_mem = 2;
715 strcpy(dip->un.e.member[0].label.name, AudioNoff);
716 dip->un.e.member[0].ord = 0;
717 strcpy(dip->un.e.member[1].label.name, AudioNon);
718 dip->un.e.member[1].ord = 1;
719 break;
720
721 case WSS_RECORD_SOURCE:
722 dip->mixer_class = WSS_RECORD_CLASS;
723 dip->type = AUDIO_MIXER_ENUM;
724 dip->prev = WSS_REC_LVL;
725 dip->next = AUDIO_MIXER_LAST;
726 strcpy(dip->label.name, AudioNsource);
727 dip->un.e.num_mem = 3;
728 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone);
729 dip->un.e.member[0].ord = WSS_MIC_IN_LVL;
730 strcpy(dip->un.e.member[1].label.name, AudioNcd);
731 dip->un.e.member[1].ord = WSS_LINE_IN_LVL;
732 strcpy(dip->un.e.member[2].label.name, AudioNdac);
733 dip->un.e.member[2].ord = WSS_DAC_LVL;
734 break;
735
736 default:
737 return ENXIO;
738 /*NOTREACHED*/
739 }
740 DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name));
741
742 return 0;
743 }
744
745 /*
746 * Initialization code for OPTi MAD16 compatible audio chips. Including
747 *
748 * OPTi 82C928 MAD16 (replaced by C929)
749 * OAK OTI-601D Mozart
750 * OPTi 82C929 MAD16 Pro
751 *
752 */
753 static unsigned int mad_read __P((struct wss_softc *, int, int));
754 static void mad_write __P((struct wss_softc *, int, int, int));
755 static int detect_mad16 __P((struct wss_softc *, int));
756
757 static unsigned int
758 mad_read(sc, chip_type, port)
759 struct wss_softc *sc;
760 int chip_type;
761 int port;
762 {
763 unsigned int tmp;
764 int s = splaudio(); /* don't want an interrupt between outb&inb */
765
766 switch (chip_type) { /* Output password */
767 case MAD_82C928:
768 case MAD_OTI601D:
769 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, MC_PASSWD_REG, M_PASSWD_928);
770 break;
771 case MAD_82C929:
772 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, MC_PASSWD_REG, M_PASSWD_929);
773 break;
774 }
775 tmp = bus_space_read_1(sc->sc_iot, sc->sc_mad_ioh, port);
776 splx(s);
777 return tmp;
778 }
779
780 static void
781 mad_write(sc, chip_type, port, value)
782 struct wss_softc *sc;
783 int chip_type;
784 int port;
785 int value;
786 {
787 int s = splaudio(); /* don't want an interrupt between outb&outb */
788
789 switch (chip_type) { /* Output password */
790 case MAD_82C928:
791 case MAD_OTI601D:
792 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, MC_PASSWD_REG, M_PASSWD_928);
793 break;
794 case MAD_82C929:
795 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, MC_PASSWD_REG, M_PASSWD_929);
796 break;
797 }
798 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, port, value & 0xff);
799 splx(s);
800 }
801
802 static int
803 detect_mad16(sc, chip_type)
804 struct wss_softc *sc;
805 int chip_type;
806 {
807 unsigned char tmp, tmp2;
808
809 /*
810 * Check that reading a register doesn't return bus float (0xff)
811 * when the card is accessed using password. This may fail in case
812 * the card is in low power mode. Normally at least the power saving mode
813 * bit should be 0.
814 */
815 if ((tmp = mad_read(sc, chip_type, MC1_PORT)) == 0xff) {
816 DPRINTF(("MC1_PORT returned 0xff\n"));
817 return 0;
818 }
819
820 /*
821 * Now check that the gate is closed on first I/O after writing
822 * the password. (This is how a MAD16 compatible card works).
823 */
824 if ((tmp2 = bus_space_read_1(sc->sc_iot, sc->sc_mad_ioh, MC1_PORT)) == tmp) { /* It didn't close */
825 DPRINTF(("MC1_PORT didn't close after read (0x%02x)\n", tmp2));
826 return 0;
827 }
828
829 mad_write(sc, chip_type, MC1_PORT, tmp ^ 0x80); /* Toggle a bit */
830
831 /* Compare the bit */
832 if ((tmp2 = mad_read(sc, chip_type, MC1_PORT)) != (tmp ^ 0x80)) {
833 mad_write(sc, chip_type, MC1_PORT, tmp); /* Restore */
834 DPRINTF(("Bit revert test failed (0x%02x, 0x%02x)\n", tmp, tmp2));
835 return 0;
836 }
837
838 mad_write(sc, chip_type, MC1_PORT, tmp); /* Restore */
839 return 1;
840 }
841
842 static int
843 madprobe(sc, iobase)
844 struct wss_softc *sc;
845 int iobase;
846 {
847 static int valid_ports[M_WSS_NPORTS] =
848 { M_WSS_PORT0, M_WSS_PORT1, M_WSS_PORT2, M_WSS_PORT3 };
849 int i;
850 int chip_type;
851 bus_space_handle_t hdl1, hdl2, hdl3;
852
853 if (bus_space_map(sc->sc_iot, MAD_BASE, MAD_NPORT, 0, &sc->sc_mad_ioh))
854 return MAD_NONE;
855
856 /* Allocate bus space that the MAD chip wants */
857 if (bus_space_map(sc->sc_iot, MAD_REG1, MAD_LEN1, 0, &hdl1)) goto bad1;
858 if (bus_space_map(sc->sc_iot, MAD_REG2, MAD_LEN2, 0, &hdl2)) goto bad2;
859 if (bus_space_map(sc->sc_iot, MAD_REG3, MAD_LEN3, 0, &hdl3)) goto bad3;
860
861 DPRINTF(("mad: Detect using password = 0xE2\n"));
862 if (!detect_mad16(sc, MAD_82C928)) {
863 /* No luck. Try different model */
864 DPRINTF(("mad: Detect using password = 0xE3\n"));
865 if (!detect_mad16(sc, MAD_82C929))
866 goto bad;
867 chip_type = MAD_82C929;
868 DPRINTF(("mad: 82C929 detected\n"));
869 } else {
870 if ((mad_read(sc, MAD_82C928, MC3_PORT) & 0x03) == 0x03) {
871 DPRINTF(("mad: Mozart detected\n"));
872 chip_type = MAD_OTI601D;
873 } else {
874 DPRINTF(("mad: 82C928 detected?\n"));
875 chip_type = MAD_82C928;
876 }
877 }
878
879 #ifdef AUDIO_DEBUG
880 if (wssdebug)
881 for (i = MC1_PORT; i <= MC7_PORT; i++)
882 printf("mad: port %03x = %02x\n", i, mad_read(sc, chip_type, i));
883 #endif
884
885 /* Set the WSS address. */
886 for (i = 0; i < M_WSS_NPORTS; i++)
887 if (valid_ports[i] == iobase)
888 break;
889 if (i >= M_WSS_NPORTS) { /* Not a valid port */
890 printf("mad: Bad WSS base address 0x%x\n", iobase);
891 goto bad;
892 }
893 /* enable WSS emulation at the I/O port, no joystick */
894 mad_write(sc, chip_type, MC1_PORT, M_WSS_PORT_SELECT(i) | MC1_JOYDISABLE);
895
896 mad_write(sc, chip_type, MC2_PORT, 0x03); /* ? */
897 mad_write(sc, chip_type, MC3_PORT, 0xf0); /* Disable SB */
898
899 return chip_type;
900 bad:
901 bus_space_unmap(sc->sc_iot, hdl3, MAD_LEN3);
902 bad3:
903 bus_space_unmap(sc->sc_iot, hdl2, MAD_LEN2);
904 bad2:
905 bus_space_unmap(sc->sc_iot, hdl1, MAD_LEN1);
906 bad1:
907 bus_space_unmap(sc->sc_iot, sc->sc_mad_ioh, MAD_NPORT);
908 return MAD_NONE;
909 }
910
911 static void
912 madprobedone(sc)
913 struct wss_softc *sc;
914 {
915 int chip_type = sc->mad_chip_type;
916 unsigned char cs4231_mode;
917
918 cs4231_mode =
919 strncmp(sc->sc_ad1848.chip_name, "CS4248", 6) == 0 ||
920 strncmp(sc->sc_ad1848.chip_name, "CS4231", 6) == 0 ? 0x02 : 0;
921
922 if (chip_type == MAD_82C929) {
923 mad_write(sc, chip_type, MC4_PORT, 0xa2);
924 mad_write(sc, chip_type, MC5_PORT, 0xA5 | cs4231_mode);
925 mad_write(sc, chip_type, MC6_PORT, 0x03); /* Disable MPU401 */
926 } else {
927 mad_write(sc, chip_type, MC4_PORT, 0x02);
928 mad_write(sc, chip_type, MC5_PORT, 0x30 | cs4231_mode);
929 }
930
931 #ifdef AUDIO_DEBUG
932 if (wssdebug) {
933 int i;
934 for (i = MC1_PORT; i <= MC7_PORT; i++)
935 DPRINTF(("port %03x after init = %02x\n", i, mad_read(sc, chip_type, i)));
936 }
937 #endif
938 }
939