wss.c revision 1.37 1 /* $NetBSD: wss.c,v 1.37 1997/08/28 00:02:13 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; /* MAD handle */
132 bus_space_handle_t sc_mad_ioh1, sc_mad_ioh2, sc_mad_ioh3;
133 };
134
135 struct audio_device wss_device = {
136 "wss,ad1848",
137 "",
138 "WSS"
139 };
140
141 int wss_getdev __P((void *, struct audio_device *));
142
143 int wss_set_out_port __P((void *, int));
144 int wss_get_out_port __P((void *));
145 int wss_set_in_port __P((void *, int));
146 int wss_get_in_port __P((void *));
147 int wss_mixer_set_port __P((void *, mixer_ctrl_t *));
148 int wss_mixer_get_port __P((void *, mixer_ctrl_t *));
149 int wss_query_devinfo __P((void *, mixer_devinfo_t *));
150
151 static int wss_to_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
152 static int wss_from_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
153
154 static int wssfind __P((struct device *, struct wss_softc *, struct isa_attach_args *));
155
156 static int madprobe __P((struct wss_softc *, int));
157 static void madattach __P((struct wss_softc *));
158 static void madunmap __P((struct wss_softc *));
159
160 /*
161 * Define our interface to the higher level audio driver.
162 */
163
164 struct audio_hw_if wss_hw_if = {
165 ad1848_open,
166 ad1848_close,
167 NULL,
168 ad1848_query_encoding,
169 ad1848_set_params,
170 ad1848_round_blocksize,
171 wss_set_out_port,
172 wss_get_out_port,
173 wss_set_in_port,
174 wss_get_in_port,
175 ad1848_commit_settings,
176 ad1848_dma_init_output,
177 ad1848_dma_init_input,
178 ad1848_dma_output,
179 ad1848_dma_input,
180 ad1848_halt_out_dma,
181 ad1848_halt_in_dma,
182 ad1848_cont_out_dma,
183 ad1848_cont_in_dma,
184 NULL,
185 wss_getdev,
186 NULL,
187 wss_mixer_set_port,
188 wss_mixer_get_port,
189 wss_query_devinfo,
190 ad1848_malloc,
191 ad1848_free,
192 ad1848_round,
193 ad1848_mappage,
194 ad1848_get_props,
195 };
196
197 int wssprobe __P((struct device *, void *, void *));
198 void wssattach __P((struct device *, struct device *, void *));
199
200 struct cfattach wss_ca = {
201 sizeof(struct wss_softc), wssprobe, wssattach
202 };
203
204 struct cfdriver wss_cd = {
205 NULL, "wss", DV_DULL
206 };
207
208 /*
209 * Probe for the Microsoft Sound System hardware.
210 */
211 int
212 wssprobe(parent, match, aux)
213 struct device *parent;
214 #ifdef __BROKEN_INDIRECT_CONFIG
215 void *match;
216 #else
217 struct cfdata *match;
218 #endif
219 void *aux;
220 {
221 struct wss_softc probesc, *sc = &probesc;
222
223 bzero(sc, sizeof *sc);
224 #ifdef __BROKEN_INDIRECT_CONFIG
225 sc->sc_dev.dv_cfdata = ((struct device *)match)->dv_cfdata;
226 #else
227 sc->sc_dev.dv_cfdata = match;
228 #endif
229 if (wssfind(parent, sc, aux)) {
230 bus_space_unmap(sc->sc_iot, sc->sc_ioh, WSS_CODEC);
231 ad1848_unmap(&sc->sc_ad1848);
232 madunmap(sc);
233 return 1;
234 } else
235 /* Everything is already unmapped */
236 return 0;
237 }
238
239 static int
240 wssfind(parent, sc, ia)
241 struct device *parent;
242 struct wss_softc *sc;
243 struct isa_attach_args *ia;
244 {
245 static u_char interrupt_bits[12] = {
246 -1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20
247 };
248 static u_char dma_bits[4] = {1, 2, 0, 3};
249
250 sc->sc_iot = ia->ia_iot;
251 if (sc->sc_dev.dv_cfdata->cf_flags & 1)
252 sc->mad_chip_type = madprobe(sc, ia->ia_iobase);
253 else
254 sc->mad_chip_type = MAD_NONE;
255
256 if (!WSS_BASE_VALID(ia->ia_iobase)) {
257 DPRINTF(("wss: configured iobase %x invalid\n", ia->ia_iobase));
258 goto bad1;
259 }
260
261 /* Map the ports upto the AD1848 port */
262 if (bus_space_map(sc->sc_iot, ia->ia_iobase, WSS_CODEC, 0, &sc->sc_ioh))
263 goto bad1;
264
265 sc->sc_ad1848.sc_iot = sc->sc_iot;
266 sc->sc_ad1848.sc_iobase = ia->ia_iobase + WSS_CODEC;
267
268 /* Is there an ad1848 chip at (WSS iobase + WSS_CODEC)? */
269 if (ad1848_probe(&sc->sc_ad1848) == 0)
270 goto bad;
271
272 ia->ia_iosize = WSS_NPORT;
273
274 /* Setup WSS interrupt and DMA */
275 if (!WSS_DRQ_VALID(ia->ia_drq)) {
276 DPRINTF(("wss: configured dma chan %d invalid\n", ia->ia_drq));
277 goto bad;
278 }
279 sc->wss_drq = ia->ia_drq;
280
281 /* XXX reqdrq? */
282 if (sc->wss_drq != -1 && isa_drq_isfree(parent, sc->wss_drq) == 0)
283 goto bad;
284
285 #ifdef NEWCONFIG
286 /*
287 * If the IRQ wasn't compiled in, auto-detect it.
288 */
289 if (ia->ia_irq == IRQUNK) {
290 ia->ia_irq = isa_discoverintr(ad1848_forceintr, &sc->sc_ad1848);
291 if (!WSS_IRQ_VALID(ia->ia_irq)) {
292 printf("wss: couldn't auto-detect interrupt\n");
293 goto bad;
294 }
295 }
296 else
297 #endif
298 if (!WSS_IRQ_VALID(ia->ia_irq)) {
299 DPRINTF(("wss: configured interrupt %d invalid\n", ia->ia_irq));
300 goto bad;
301 }
302
303 sc->wss_irq = ia->ia_irq;
304
305 bus_space_write_1(sc->sc_iot, sc->sc_ioh, WSS_CONFIG,
306 (interrupt_bits[ia->ia_irq] | dma_bits[ia->ia_drq]));
307
308 if (sc->sc_ad1848.mode <= 1)
309 ia->ia_drq2 = -1;
310 return 1;
311
312 bad:
313 bus_space_unmap(sc->sc_iot, sc->sc_ioh, WSS_CODEC);
314 bad1:
315 madunmap(sc);
316 return 0;
317 }
318
319 /*
320 * Attach hardware to driver, attach hardware driver to audio
321 * pseudo-device driver .
322 */
323 void
324 wssattach(parent, self, aux)
325 struct device *parent, *self;
326 void *aux;
327 {
328 struct wss_softc *sc = (struct wss_softc *)self;
329 struct isa_attach_args *ia = (struct isa_attach_args *)aux;
330 int version;
331
332 if (!wssfind(parent, sc, ia)) {
333 printf("%s: wssfind failed\n", sc->sc_dev.dv_xname);
334 return;
335 }
336
337 madattach(sc);
338
339 sc->sc_ad1848.sc_recdrq = sc->sc_ad1848.mode > 1 && ia->ia_drq2 != -1 ? ia->ia_drq2 : ia->ia_drq;
340 sc->sc_ad1848.sc_isa = parent;
341
342 #ifdef NEWCONFIG
343 isa_establish(&sc->sc_id, &sc->sc_dev);
344 #endif
345 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, IPL_AUDIO,
346 ad1848_intr, &sc->sc_ad1848);
347
348 ad1848_attach(&sc->sc_ad1848);
349
350 version = bus_space_read_1(sc->sc_iot, sc->sc_ioh, WSS_STATUS) & WSS_VERSMASK;
351 printf(" (vers %d)", version);
352 if (sc->mad_chip_type != MAD_NONE)
353 printf(", %s",
354 sc->mad_chip_type == MAD_82C929 ? "82C929" :
355 sc->mad_chip_type == MAD_82C928 ? "82C928" :
356 "OTI-601D");
357 printf("\n");
358
359 sc->sc_ad1848.parent = sc;
360
361 audio_attach_mi(&wss_hw_if, 0, &sc->sc_ad1848, &sc->sc_dev);
362 }
363
364 static int
365 wss_to_vol(cp, vol)
366 mixer_ctrl_t *cp;
367 struct ad1848_volume *vol;
368 {
369 if (cp->un.value.num_channels == 1) {
370 vol->left = vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
371 return(1);
372 }
373 else if (cp->un.value.num_channels == 2) {
374 vol->left = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
375 vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
376 return(1);
377 }
378 return(0);
379 }
380
381 static int
382 wss_from_vol(cp, vol)
383 mixer_ctrl_t *cp;
384 struct ad1848_volume *vol;
385 {
386 if (cp->un.value.num_channels == 1) {
387 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol->left;
388 return(1);
389 }
390 else if (cp->un.value.num_channels == 2) {
391 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = vol->left;
392 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = vol->right;
393 return(1);
394 }
395 return(0);
396 }
397
398 int
399 wss_getdev(addr, retp)
400 void *addr;
401 struct audio_device *retp;
402 {
403 *retp = wss_device;
404 return 0;
405 }
406
407 int
408 wss_set_out_port(addr, port)
409 void *addr;
410 int port;
411 {
412 DPRINTF(("wss_set_out_port:\n"));
413 return(EINVAL);
414 }
415
416 int
417 wss_get_out_port(addr)
418 void *addr;
419 {
420 DPRINTF(("wss_get_out_port:\n"));
421 return(WSS_DAC_LVL);
422 }
423
424 int
425 wss_set_in_port(addr, port)
426 void *addr;
427 int port;
428 {
429 struct ad1848_softc *ac = addr;
430
431 DPRINTF(("wss_set_in_port: %d\n", port));
432
433 switch(port) {
434 case WSS_MIC_IN_LVL:
435 port = MIC_IN_PORT;
436 break;
437 case WSS_LINE_IN_LVL:
438 port = LINE_IN_PORT;
439 break;
440 case WSS_DAC_LVL:
441 port = DAC_IN_PORT;
442 break;
443 default:
444 return(EINVAL);
445 /*NOTREACHED*/
446 }
447
448 return(ad1848_set_rec_port(ac, port));
449 }
450
451 int
452 wss_get_in_port(addr)
453 void *addr;
454 {
455 struct ad1848_softc *ac = addr;
456 int port = WSS_MIC_IN_LVL;
457
458 switch(ad1848_get_rec_port(ac)) {
459 case MIC_IN_PORT:
460 port = WSS_MIC_IN_LVL;
461 break;
462 case LINE_IN_PORT:
463 port = WSS_LINE_IN_LVL;
464 break;
465 case DAC_IN_PORT:
466 port = WSS_DAC_LVL;
467 break;
468 }
469
470 DPRINTF(("wss_get_in_port: %d\n", port));
471
472 return(port);
473 }
474
475 int
476 wss_mixer_set_port(addr, cp)
477 void *addr;
478 mixer_ctrl_t *cp;
479 {
480 struct ad1848_softc *ac = addr;
481 struct wss_softc *sc = ac->parent;
482 struct ad1848_volume vol;
483 int error = EINVAL;
484
485 DPRINTF(("wss_mixer_set_port: dev=%d type=%d\n", cp->dev, cp->type));
486
487 switch (cp->dev) {
488 case WSS_MIC_IN_LVL: /* Microphone */
489 if (cp->type == AUDIO_MIXER_VALUE) {
490 if (wss_to_vol(cp, &vol))
491 error = ad1848_set_aux2_gain(ac, &vol);
492 }
493 break;
494
495 case WSS_MIC_IN_MUTE: /* Microphone */
496 if (cp->type == AUDIO_MIXER_ENUM) {
497 sc->mic_mute = cp->un.ord;
498 DPRINTF(("mic mute %d\n", cp->un.ord));
499 error = 0;
500 }
501 break;
502
503 case WSS_LINE_IN_LVL: /* linein/CD */
504 if (cp->type == AUDIO_MIXER_VALUE) {
505 if (wss_to_vol(cp, &vol))
506 error = ad1848_set_aux1_gain(ac, &vol);
507 }
508 break;
509
510 case WSS_LINE_IN_MUTE: /* linein/CD */
511 if (cp->type == AUDIO_MIXER_ENUM) {
512 sc->cd_mute = cp->un.ord;
513 DPRINTF(("CD mute %d\n", cp->un.ord));
514 error = 0;
515 }
516 break;
517
518 case WSS_DAC_LVL: /* dac out */
519 if (cp->type == AUDIO_MIXER_VALUE) {
520 if (wss_to_vol(cp, &vol))
521 error = ad1848_set_out_gain(ac, &vol);
522 }
523 break;
524
525 case WSS_DAC_MUTE: /* dac out */
526 if (cp->type == AUDIO_MIXER_ENUM) {
527 sc->dac_mute = cp->un.ord;
528 DPRINTF(("DAC mute %d\n", cp->un.ord));
529 error = 0;
530 }
531 break;
532
533 case WSS_REC_LVL: /* record level */
534 if (cp->type == AUDIO_MIXER_VALUE) {
535 if (wss_to_vol(cp, &vol))
536 error = ad1848_set_rec_gain(ac, &vol);
537 }
538 break;
539
540 case WSS_RECORD_SOURCE:
541 if (cp->type == AUDIO_MIXER_ENUM) {
542 error = ad1848_set_rec_port(ac, cp->un.ord);
543 }
544 break;
545
546 case WSS_MON_LVL:
547 if (cp->type == AUDIO_MIXER_VALUE && cp->un.value.num_channels == 1) {
548 vol.left = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
549 error = ad1848_set_mon_gain(ac, &vol);
550 }
551 break;
552
553 default:
554 return ENXIO;
555 /*NOTREACHED*/
556 }
557
558 return 0;
559 }
560
561 int
562 wss_mixer_get_port(addr, cp)
563 void *addr;
564 mixer_ctrl_t *cp;
565 {
566 struct ad1848_softc *ac = addr;
567 struct wss_softc *sc = ac->parent;
568 struct ad1848_volume vol;
569 int error = EINVAL;
570
571 DPRINTF(("wss_mixer_get_port: port=%d\n", cp->dev));
572
573 switch (cp->dev) {
574 case WSS_MIC_IN_LVL: /* Microphone */
575 if (cp->type == AUDIO_MIXER_VALUE) {
576 error = ad1848_get_aux2_gain(ac, &vol);
577 if (!error)
578 wss_from_vol(cp, &vol);
579 }
580 break;
581
582 case WSS_MIC_IN_MUTE:
583 if (cp->type == AUDIO_MIXER_ENUM) {
584 cp->un.ord = sc->mic_mute;
585 error = 0;
586 }
587 break;
588
589 case WSS_LINE_IN_LVL: /* linein/CD */
590 if (cp->type == AUDIO_MIXER_VALUE) {
591 error = ad1848_get_aux1_gain(ac, &vol);
592 if (!error)
593 wss_from_vol(cp, &vol);
594 }
595 break;
596
597 case WSS_LINE_IN_MUTE:
598 if (cp->type == AUDIO_MIXER_ENUM) {
599 cp->un.ord = sc->cd_mute;
600 error = 0;
601 }
602 break;
603
604 case WSS_DAC_LVL: /* dac out */
605 if (cp->type == AUDIO_MIXER_VALUE) {
606 error = ad1848_get_out_gain(ac, &vol);
607 if (!error)
608 wss_from_vol(cp, &vol);
609 }
610 break;
611
612 case WSS_DAC_MUTE:
613 if (cp->type == AUDIO_MIXER_ENUM) {
614 cp->un.ord = sc->dac_mute;
615 error = 0;
616 }
617 break;
618
619 case WSS_REC_LVL: /* record level */
620 if (cp->type == AUDIO_MIXER_VALUE) {
621 error = ad1848_get_rec_gain(ac, &vol);
622 if (!error)
623 wss_from_vol(cp, &vol);
624 }
625 break;
626
627 case WSS_RECORD_SOURCE:
628 if (cp->type == AUDIO_MIXER_ENUM) {
629 cp->un.ord = ad1848_get_rec_port(ac);
630 error = 0;
631 }
632 break;
633
634 case WSS_MON_LVL: /* monitor level */
635 if (cp->type == AUDIO_MIXER_VALUE && cp->un.value.num_channels == 1) {
636 error = ad1848_get_mon_gain(ac, &vol);
637 if (!error)
638 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol.left;
639 }
640 break;
641
642 default:
643 error = ENXIO;
644 break;
645 }
646
647 return(error);
648 }
649
650 int
651 wss_query_devinfo(addr, dip)
652 void *addr;
653 mixer_devinfo_t *dip;
654 {
655 DPRINTF(("wss_query_devinfo: index=%d\n", dip->index));
656
657 switch(dip->index) {
658 case WSS_MIC_IN_LVL: /* Microphone */
659 dip->type = AUDIO_MIXER_VALUE;
660 dip->mixer_class = WSS_INPUT_CLASS;
661 dip->prev = AUDIO_MIXER_LAST;
662 dip->next = WSS_MIC_IN_MUTE;
663 strcpy(dip->label.name, AudioNmicrophone);
664 dip->un.v.num_channels = 2;
665 strcpy(dip->un.v.units.name, AudioNvolume);
666 break;
667
668 case WSS_LINE_IN_LVL: /* line/CD */
669 dip->type = AUDIO_MIXER_VALUE;
670 dip->mixer_class = WSS_INPUT_CLASS;
671 dip->prev = AUDIO_MIXER_LAST;
672 dip->next = WSS_LINE_IN_MUTE;
673 strcpy(dip->label.name, AudioNcd);
674 dip->un.v.num_channels = 2;
675 strcpy(dip->un.v.units.name, AudioNvolume);
676 break;
677
678 case WSS_DAC_LVL: /* dacout */
679 dip->type = AUDIO_MIXER_VALUE;
680 dip->mixer_class = WSS_INPUT_CLASS;
681 dip->prev = AUDIO_MIXER_LAST;
682 dip->next = WSS_DAC_MUTE;
683 strcpy(dip->label.name, AudioNdac);
684 dip->un.v.num_channels = 2;
685 strcpy(dip->un.v.units.name, AudioNvolume);
686 break;
687
688 case WSS_REC_LVL: /* record level */
689 dip->type = AUDIO_MIXER_VALUE;
690 dip->mixer_class = WSS_RECORD_CLASS;
691 dip->prev = AUDIO_MIXER_LAST;
692 dip->next = WSS_RECORD_SOURCE;
693 strcpy(dip->label.name, AudioNrecord);
694 dip->un.v.num_channels = 2;
695 strcpy(dip->un.v.units.name, AudioNvolume);
696 break;
697
698 case WSS_MON_LVL: /* monitor level */
699 dip->type = AUDIO_MIXER_VALUE;
700 dip->mixer_class = WSS_MONITOR_CLASS;
701 dip->next = dip->prev = AUDIO_MIXER_LAST;
702 strcpy(dip->label.name, AudioNmonitor);
703 dip->un.v.num_channels = 1;
704 strcpy(dip->un.v.units.name, AudioNvolume);
705 break;
706
707 case WSS_INPUT_CLASS: /* input class descriptor */
708 dip->type = AUDIO_MIXER_CLASS;
709 dip->mixer_class = WSS_INPUT_CLASS;
710 dip->next = dip->prev = AUDIO_MIXER_LAST;
711 strcpy(dip->label.name, AudioCInputs);
712 break;
713
714 case WSS_MONITOR_CLASS: /* monitor class descriptor */
715 dip->type = AUDIO_MIXER_CLASS;
716 dip->mixer_class = WSS_MONITOR_CLASS;
717 dip->next = dip->prev = AUDIO_MIXER_LAST;
718 strcpy(dip->label.name, AudioCMonitor);
719 break;
720
721 case WSS_RECORD_CLASS: /* record source class */
722 dip->type = AUDIO_MIXER_CLASS;
723 dip->mixer_class = WSS_RECORD_CLASS;
724 dip->next = dip->prev = AUDIO_MIXER_LAST;
725 strcpy(dip->label.name, AudioCRecord);
726 break;
727
728 case WSS_MIC_IN_MUTE:
729 dip->mixer_class = WSS_INPUT_CLASS;
730 dip->type = AUDIO_MIXER_ENUM;
731 dip->prev = WSS_MIC_IN_LVL;
732 dip->next = AUDIO_MIXER_LAST;
733 goto mute;
734
735 case WSS_LINE_IN_MUTE:
736 dip->mixer_class = WSS_INPUT_CLASS;
737 dip->type = AUDIO_MIXER_ENUM;
738 dip->prev = WSS_LINE_IN_LVL;
739 dip->next = AUDIO_MIXER_LAST;
740 goto mute;
741
742 case WSS_DAC_MUTE:
743 dip->mixer_class = WSS_INPUT_CLASS;
744 dip->type = AUDIO_MIXER_ENUM;
745 dip->prev = WSS_DAC_LVL;
746 dip->next = AUDIO_MIXER_LAST;
747 mute:
748 strcpy(dip->label.name, AudioNmute);
749 dip->un.e.num_mem = 2;
750 strcpy(dip->un.e.member[0].label.name, AudioNoff);
751 dip->un.e.member[0].ord = 0;
752 strcpy(dip->un.e.member[1].label.name, AudioNon);
753 dip->un.e.member[1].ord = 1;
754 break;
755
756 case WSS_RECORD_SOURCE:
757 dip->mixer_class = WSS_RECORD_CLASS;
758 dip->type = AUDIO_MIXER_ENUM;
759 dip->prev = WSS_REC_LVL;
760 dip->next = AUDIO_MIXER_LAST;
761 strcpy(dip->label.name, AudioNsource);
762 dip->un.e.num_mem = 3;
763 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone);
764 dip->un.e.member[0].ord = WSS_MIC_IN_LVL;
765 strcpy(dip->un.e.member[1].label.name, AudioNcd);
766 dip->un.e.member[1].ord = WSS_LINE_IN_LVL;
767 strcpy(dip->un.e.member[2].label.name, AudioNdac);
768 dip->un.e.member[2].ord = WSS_DAC_LVL;
769 break;
770
771 default:
772 return ENXIO;
773 /*NOTREACHED*/
774 }
775 DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name));
776
777 return 0;
778 }
779
780 /*
781 * Initialization code for OPTi MAD16 compatible audio chips. Including
782 *
783 * OPTi 82C928 MAD16 (replaced by C929)
784 * OAK OTI-601D Mozart
785 * OPTi 82C929 MAD16 Pro
786 *
787 */
788 static unsigned int mad_read __P((struct wss_softc *, int, int));
789 static void mad_write __P((struct wss_softc *, int, int, int));
790 static int detect_mad16 __P((struct wss_softc *, int));
791
792 static unsigned int
793 mad_read(sc, chip_type, port)
794 struct wss_softc *sc;
795 int chip_type;
796 int port;
797 {
798 unsigned int tmp;
799 int s = splaudio(); /* don't want an interrupt between outb&inb */
800
801 switch (chip_type) { /* Output password */
802 case MAD_82C928:
803 case MAD_OTI601D:
804 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, MC_PASSWD_REG, M_PASSWD_928);
805 break;
806 case MAD_82C929:
807 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, MC_PASSWD_REG, M_PASSWD_929);
808 break;
809 }
810 tmp = bus_space_read_1(sc->sc_iot, sc->sc_mad_ioh, port);
811 splx(s);
812 return tmp;
813 }
814
815 static void
816 mad_write(sc, chip_type, port, value)
817 struct wss_softc *sc;
818 int chip_type;
819 int port;
820 int value;
821 {
822 int s = splaudio(); /* don't want an interrupt between outb&outb */
823
824 switch (chip_type) { /* Output password */
825 case MAD_82C928:
826 case MAD_OTI601D:
827 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, MC_PASSWD_REG, M_PASSWD_928);
828 break;
829 case MAD_82C929:
830 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, MC_PASSWD_REG, M_PASSWD_929);
831 break;
832 }
833 bus_space_write_1(sc->sc_iot, sc->sc_mad_ioh, port, value & 0xff);
834 splx(s);
835 }
836
837 static int
838 detect_mad16(sc, chip_type)
839 struct wss_softc *sc;
840 int chip_type;
841 {
842 unsigned char tmp, tmp2;
843
844 /*
845 * Check that reading a register doesn't return bus float (0xff)
846 * when the card is accessed using password. This may fail in case
847 * the card is in low power mode. Normally at least the power saving mode
848 * bit should be 0.
849 */
850 if ((tmp = mad_read(sc, chip_type, MC1_PORT)) == 0xff) {
851 DPRINTF(("MC1_PORT returned 0xff\n"));
852 return 0;
853 }
854
855 /*
856 * Now check that the gate is closed on first I/O after writing
857 * the password. (This is how a MAD16 compatible card works).
858 */
859 if ((tmp2 = bus_space_read_1(sc->sc_iot, sc->sc_mad_ioh, MC1_PORT)) == tmp) { /* It didn't close */
860 DPRINTF(("MC1_PORT didn't close after read (0x%02x)\n", tmp2));
861 return 0;
862 }
863
864 mad_write(sc, chip_type, MC1_PORT, tmp ^ 0x80); /* Toggle a bit */
865
866 /* Compare the bit */
867 if ((tmp2 = mad_read(sc, chip_type, MC1_PORT)) != (tmp ^ 0x80)) {
868 mad_write(sc, chip_type, MC1_PORT, tmp); /* Restore */
869 DPRINTF(("Bit revert test failed (0x%02x, 0x%02x)\n", tmp, tmp2));
870 return 0;
871 }
872
873 mad_write(sc, chip_type, MC1_PORT, tmp); /* Restore */
874 return 1;
875 }
876
877 static int
878 madprobe(sc, iobase)
879 struct wss_softc *sc;
880 int iobase;
881 {
882 static int valid_ports[M_WSS_NPORTS] =
883 { M_WSS_PORT0, M_WSS_PORT1, M_WSS_PORT2, M_WSS_PORT3 };
884 int i;
885 int chip_type;
886
887 if (bus_space_map(sc->sc_iot, MAD_BASE, MAD_NPORT, 0, &sc->sc_mad_ioh))
888 return MAD_NONE;
889
890 /* Allocate bus space that the MAD chip wants */
891 if (bus_space_map(sc->sc_iot, MAD_REG1, MAD_LEN1, 0, &sc->sc_mad_ioh1))
892 goto bad1;
893 if (bus_space_map(sc->sc_iot, MAD_REG2, MAD_LEN2, 0, &sc->sc_mad_ioh2))
894 goto bad2;
895 if (bus_space_map(sc->sc_iot, MAD_REG3, MAD_LEN3, 0, &sc->sc_mad_ioh3))
896 goto bad3;
897
898 DPRINTF(("mad: Detect using password = 0xE2\n"));
899 if (!detect_mad16(sc, MAD_82C928)) {
900 /* No luck. Try different model */
901 DPRINTF(("mad: Detect using password = 0xE3\n"));
902 if (!detect_mad16(sc, MAD_82C929))
903 goto bad;
904 chip_type = MAD_82C929;
905 DPRINTF(("mad: 82C929 detected\n"));
906 } else {
907 if ((mad_read(sc, MAD_82C928, MC3_PORT) & 0x03) == 0x03) {
908 DPRINTF(("mad: Mozart detected\n"));
909 chip_type = MAD_OTI601D;
910 } else {
911 DPRINTF(("mad: 82C928 detected?\n"));
912 chip_type = MAD_82C928;
913 }
914 }
915
916 #ifdef AUDIO_DEBUG
917 if (wssdebug)
918 for (i = MC1_PORT; i <= MC7_PORT; i++)
919 printf("mad: port %03x = %02x\n", i, mad_read(sc, chip_type, i));
920 #endif
921
922 /* Set the WSS address. */
923 for (i = 0; i < M_WSS_NPORTS; i++)
924 if (valid_ports[i] == iobase)
925 break;
926 if (i >= M_WSS_NPORTS) { /* Not a valid port */
927 printf("mad: Bad WSS base address 0x%x\n", iobase);
928 goto bad;
929 }
930 /* enable WSS emulation at the I/O port, no joystick */
931 mad_write(sc, chip_type, MC1_PORT, M_WSS_PORT_SELECT(i) | MC1_JOYDISABLE);
932
933 mad_write(sc, chip_type, MC2_PORT, 0x03); /* ? */
934 mad_write(sc, chip_type, MC3_PORT, 0xf0); /* Disable SB */
935
936 return chip_type;
937 bad:
938 bus_space_unmap(sc->sc_iot, sc->sc_mad_ioh3, MAD_LEN3);
939 bad3:
940 bus_space_unmap(sc->sc_iot, sc->sc_mad_ioh2, MAD_LEN2);
941 bad2:
942 bus_space_unmap(sc->sc_iot, sc->sc_mad_ioh1, MAD_LEN1);
943 bad1:
944 bus_space_unmap(sc->sc_iot, sc->sc_mad_ioh, MAD_NPORT);
945 return MAD_NONE;
946 }
947
948 static void
949 madunmap(sc)
950 struct wss_softc *sc;
951 {
952 if (sc->mad_chip_type == MAD_NONE)
953 return;
954 bus_space_unmap(sc->sc_iot, sc->sc_mad_ioh, MAD_NPORT);
955 bus_space_unmap(sc->sc_iot, sc->sc_mad_ioh1, MAD_LEN1);
956 bus_space_unmap(sc->sc_iot, sc->sc_mad_ioh2, MAD_LEN2);
957 bus_space_unmap(sc->sc_iot, sc->sc_mad_ioh3, MAD_LEN3);
958 }
959
960 static void
961 madattach(sc)
962 struct wss_softc *sc;
963 {
964 int chip_type = sc->mad_chip_type;
965 unsigned char cs4231_mode;
966
967 if (chip_type == MAD_NONE)
968 return;
969
970 cs4231_mode =
971 strncmp(sc->sc_ad1848.chip_name, "CS4248", 6) == 0 ||
972 strncmp(sc->sc_ad1848.chip_name, "CS4231", 6) == 0 ? 0x02 : 0;
973
974 if (chip_type == MAD_82C929) {
975 mad_write(sc, chip_type, MC4_PORT, 0xa2);
976 mad_write(sc, chip_type, MC5_PORT, 0xA5 | cs4231_mode);
977 mad_write(sc, chip_type, MC6_PORT, 0x03); /* Disable MPU401 */
978 } else {
979 mad_write(sc, chip_type, MC4_PORT, 0x02);
980 mad_write(sc, chip_type, MC5_PORT, 0x30 | cs4231_mode);
981 }
982
983 #ifdef AUDIO_DEBUG
984 if (wssdebug) {
985 int i;
986 for (i = MC1_PORT; i <= MC7_PORT; i++)
987 DPRINTF(("port %03x after init = %02x\n", i, mad_read(sc, chip_type, i)));
988 }
989 #endif
990 }
991