xref: /netbsd-src/sys/arch/macppc/dev/awacs.c (revision 3b01aba77a7a698587faaae455bbfe740923c1f5)
1 /*	$NetBSD: awacs.c,v 1.11 2001/06/19 12:02:55 simonb Exp $	*/
2 
3 /*-
4  * Copyright (c) 2000 Tsubai Masanari.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/param.h>
30 #include <sys/audioio.h>
31 #include <sys/device.h>
32 #include <sys/malloc.h>
33 #include <sys/systm.h>
34 
35 #include <dev/auconv.h>
36 #include <dev/audio_if.h>
37 #include <dev/mulaw.h>
38 
39 #include <uvm/uvm_extern.h>
40 
41 #include <machine/autoconf.h>
42 #include <machine/pio.h>
43 
44 #include <dev/ofw/openfirm.h>
45 #include <macppc/dev/dbdma.h>
46 
47 #ifdef AWACS_DEBUG
48 # define DPRINTF printf
49 #else
50 # define DPRINTF while (0) printf
51 #endif
52 
53 /* sc_flags values */
54 #define AWACS_CAP_BSWAP		0x0001
55 
56 struct awacs_softc {
57 	struct device sc_dev;
58 	int sc_flags;
59 
60 	void (*sc_ointr)(void *);	/* dma completion intr handler */
61 	void *sc_oarg;			/* arg for sc_ointr() */
62 	int sc_opages;			/* # of output pages */
63 
64 	void (*sc_iintr)(void *);	/* dma completion intr handler */
65 	void *sc_iarg;			/* arg for sc_iintr() */
66 
67 	u_int sc_record_source;		/* recording source mask */
68 	u_int sc_output_mask;		/* output source mask */
69 
70 	char *sc_reg;
71 	u_int sc_codecctl0;
72 	u_int sc_codecctl1;
73 	u_int sc_codecctl2;
74 	u_int sc_codecctl4;
75 	u_int sc_soundctl;
76 
77 	struct dbdma_regmap *sc_odma;
78 	struct dbdma_regmap *sc_idma;
79 	struct dbdma_command *sc_odmacmd;
80 	struct dbdma_command *sc_idmacmd;
81 };
82 
83 int awacs_match(struct device *, struct cfdata *, void *);
84 void awacs_attach(struct device *, struct device *, void *);
85 int awacs_intr(void *);
86 
87 int awacs_open(void *, int);
88 void awacs_close(void *);
89 int awacs_query_encoding(void *, struct audio_encoding *);
90 int awacs_set_params(void *, int, int, struct audio_params *,
91 			 struct audio_params *);
92 int awacs_round_blocksize(void *, int);
93 int awacs_trigger_output(void *, void *, void *, int, void (*)(void *),
94 			     void *, struct audio_params *);
95 int awacs_trigger_input(void *, void *, void *, int, void (*)(void *),
96 			    void *, struct audio_params *);
97 int awacs_halt_output(void *);
98 int awacs_halt_input(void *);
99 int awacs_getdev(void *, struct audio_device *);
100 int awacs_set_port(void *, mixer_ctrl_t *);
101 int awacs_get_port(void *, mixer_ctrl_t *);
102 int awacs_query_devinfo(void *, mixer_devinfo_t *);
103 size_t awacs_round_buffersize(void *, int, size_t);
104 paddr_t awacs_mappage(void *, void *, off_t, int);
105 int awacs_get_props(void *);
106 
107 static inline u_int awacs_read_reg(struct awacs_softc *, int);
108 static inline void awacs_write_reg(struct awacs_softc *, int, int);
109 void awacs_write_codec(struct awacs_softc *, int);
110 void awacs_set_speaker_volume(struct awacs_softc *, int, int);
111 void awacs_set_ext_volume(struct awacs_softc *, int, int);
112 int awacs_set_rate(struct awacs_softc *, int);
113 
114 static void mono16_to_stereo16(void *, u_char *, int);
115 static void swap_bytes_mono16_to_stereo16(void *, u_char *, int);
116 
117 struct cfattach awacs_ca = {
118 	sizeof(struct awacs_softc), awacs_match, awacs_attach
119 };
120 
121 struct audio_hw_if awacs_hw_if = {
122 	awacs_open,
123 	awacs_close,
124 	NULL,
125 	awacs_query_encoding,
126 	awacs_set_params,
127 	awacs_round_blocksize,
128 	NULL,
129 	NULL,
130 	NULL,
131 	NULL,
132 	NULL,
133 	awacs_halt_output,
134 	awacs_halt_input,
135 	NULL,
136 	awacs_getdev,
137 	NULL,
138 	awacs_set_port,
139 	awacs_get_port,
140 	awacs_query_devinfo,
141 	NULL,
142 	NULL,
143 	awacs_round_buffersize,
144 	awacs_mappage,
145 	awacs_get_props,
146 	awacs_trigger_output,
147 	awacs_trigger_input,
148 };
149 
150 struct audio_device awacs_device = {
151 	"AWACS",
152 	"",
153 	"awacs"
154 };
155 
156 /* register offset */
157 #define AWACS_SOUND_CTRL	0x00
158 #define AWACS_CODEC_CTRL	0x10
159 #define AWACS_CODEC_STATUS	0x20
160 #define AWACS_CLIP_COUNT	0x30
161 #define AWACS_BYTE_SWAP		0x40
162 
163 /* sound control */
164 #define AWACS_INPUT_SUBFRAME0	0x00000001
165 #define AWACS_INPUT_SUBFRAME1	0x00000002
166 #define AWACS_INPUT_SUBFRAME2	0x00000004
167 #define AWACS_INPUT_SUBFRAME3	0x00000008
168 
169 #define AWACS_OUTPUT_SUBFRAME0	0x00000010
170 #define AWACS_OUTPUT_SUBFRAME1	0x00000020
171 #define AWACS_OUTPUT_SUBFRAME2	0x00000040
172 #define AWACS_OUTPUT_SUBFRAME3	0x00000080
173 
174 #define AWACS_RATE_44100	0x00000000
175 #define AWACS_RATE_29400	0x00000100
176 #define AWACS_RATE_22050	0x00000200
177 #define AWACS_RATE_17640	0x00000300
178 #define AWACS_RATE_14700	0x00000400
179 #define AWACS_RATE_11025	0x00000500
180 #define AWACS_RATE_8820		0x00000600
181 #define AWACS_RATE_7350		0x00000700
182 #define AWACS_RATE_MASK		0x00000700
183 
184 /* codec control */
185 #define AWACS_CODEC_ADDR0	0x00000000
186 #define AWACS_CODEC_ADDR1	0x00001000
187 #define AWACS_CODEC_ADDR2	0x00002000
188 #define AWACS_CODEC_ADDR4	0x00004000
189 #define AWACS_CODEC_EMSEL0	0x00000000
190 #define AWACS_CODEC_EMSEL1	0x00400000
191 #define AWACS_CODEC_EMSEL2	0x00800000
192 #define AWACS_CODEC_EMSEL4	0x00c00000
193 #define AWACS_CODEC_BUSY	0x01000000
194 
195 /* cc0 */
196 #define AWACS_DEFAULT_CD_GAIN	0x000000bb
197 #define AWACS_INPUT_CD		0x00000200
198 #define AWACS_INPUT_LINE	0x00000400
199 #define AWACS_INPUT_MICROPHONE	0x00000800
200 #define AWACS_INPUT_MASK	0x00000e00
201 
202 /* cc1 */
203 #define AWACS_MUTE_SPEAKER	0x00000080
204 #define AWACS_MUTE_HEADPHONE	0x00000200
205 
206 int
207 awacs_match(parent, match, aux)
208 	struct device *parent;
209 	struct cfdata *match;
210 	void *aux;
211 {
212 	struct confargs *ca = aux;
213 
214 	if (strcmp(ca->ca_name, "awacs") != 0 &&
215 	    strcmp(ca->ca_name, "davbus") != 0)
216 		return 0;
217 
218 	if (ca->ca_nreg < 24 || ca->ca_nintr < 12)
219 		return 0;
220 
221 	return 1;
222 }
223 
224 void
225 awacs_attach(parent, self, aux)
226 	struct device *parent;
227 	struct device *self;
228 	void *aux;
229 {
230 	struct awacs_softc *sc = (struct awacs_softc *)self;
231 	struct confargs *ca = aux;
232 	int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type;
233 
234 	ca->ca_reg[0] += ca->ca_baseaddr;
235 	ca->ca_reg[2] += ca->ca_baseaddr;
236 	ca->ca_reg[4] += ca->ca_baseaddr;
237 
238 	sc->sc_reg = mapiodev(ca->ca_reg[0], ca->ca_reg[1]);
239 
240 	sc->sc_odma = mapiodev(ca->ca_reg[2], ca->ca_reg[3]); /* out */
241 	sc->sc_idma = mapiodev(ca->ca_reg[4], ca->ca_reg[5]); /* in */
242 	sc->sc_odmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
243 	sc->sc_idmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
244 
245 	if (ca->ca_nintr == 24) {
246 		cirq = ca->ca_intr[0];
247 		oirq = ca->ca_intr[2];
248 		iirq = ca->ca_intr[4];
249 		cirq_type = ca->ca_intr[1] ? IST_LEVEL : IST_EDGE;
250 		oirq_type = ca->ca_intr[3] ? IST_LEVEL : IST_EDGE;
251 		iirq_type = ca->ca_intr[5] ? IST_LEVEL : IST_EDGE;
252 	} else {
253 		cirq = ca->ca_intr[0];
254 		oirq = ca->ca_intr[1];
255 		iirq = ca->ca_intr[2];
256 		cirq_type = oirq_type = iirq_type = IST_LEVEL;
257 	}
258 	intr_establish(cirq, cirq_type, IPL_AUDIO, awacs_intr, sc);
259 	intr_establish(oirq, oirq_type, IPL_AUDIO, awacs_intr, sc);
260 	/* intr_establish(iirq, iirq_type, IPL_AUDIO, awacs_intr, sc); */
261 
262 	printf(": irq %d,%d,%d\n", cirq, oirq, iirq);
263 
264 	/* XXX Uni-North based models don't have byteswap capability. */
265 	if (OF_finddevice("/uni-n") == -1)
266 		sc->sc_flags |= AWACS_CAP_BSWAP;
267 
268 	sc->sc_soundctl = AWACS_INPUT_SUBFRAME0 | AWACS_OUTPUT_SUBFRAME0 |
269 		AWACS_RATE_44100;
270 	awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
271 
272 	sc->sc_codecctl0 = AWACS_CODEC_ADDR0 | AWACS_CODEC_EMSEL0;
273 	sc->sc_codecctl1 = AWACS_CODEC_ADDR1 | AWACS_CODEC_EMSEL0;
274 	sc->sc_codecctl2 = AWACS_CODEC_ADDR2 | AWACS_CODEC_EMSEL0;
275 	sc->sc_codecctl4 = AWACS_CODEC_ADDR4 | AWACS_CODEC_EMSEL0;
276 
277 	sc->sc_codecctl0 |= AWACS_INPUT_CD | AWACS_DEFAULT_CD_GAIN;
278 	awacs_write_codec(sc, sc->sc_codecctl0);
279 
280 	/* Set initial volume[s] */
281 	awacs_set_speaker_volume(sc, 80, 80);
282 
283 	/* Set loopback (for CD?) */
284 	/* sc->sc_codecctl1 |= 0x440; */
285 	sc->sc_codecctl1 |= 0x40;
286 	awacs_write_codec(sc, sc->sc_codecctl1);
287 
288 	/* default output to speakers */
289 	sc->sc_output_mask = 1 << 0;
290 	sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
291 	sc->sc_codecctl1 |= AWACS_MUTE_HEADPHONE;
292 	awacs_write_codec(sc, sc->sc_codecctl1);
293 
294 	/* default input from CD */
295 	sc->sc_record_source = 1 << 0;
296 	sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
297 	sc->sc_codecctl0 |= AWACS_INPUT_CD;
298 	awacs_write_codec(sc, sc->sc_codecctl0);
299 
300 	/* Enable interrupts and looping mode. */
301 	/* XXX ... */
302 
303 	audio_attach_mi(&awacs_hw_if, sc, &sc->sc_dev);
304 }
305 
306 static inline u_int
307 awacs_read_reg(sc, reg)
308 	struct awacs_softc *sc;
309 	int reg;
310 {
311 	char *addr = sc->sc_reg;
312 
313 	return in32rb(addr + reg);
314 }
315 
316 static inline void
317 awacs_write_reg(sc, reg, val)
318 	struct awacs_softc *sc;
319 	int reg, val;
320 {
321 	char *addr = sc->sc_reg;
322 
323 	out32rb(addr + reg, val);
324 }
325 
326 void
327 awacs_write_codec(sc, value)
328 	struct awacs_softc *sc;
329 	int value;
330 {
331 	awacs_write_reg(sc, AWACS_CODEC_CTRL, value);
332 	while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
333 }
334 
335 int
336 awacs_intr(v)
337 	void *v;
338 {
339 	struct awacs_softc *sc = v;
340 	struct dbdma_command *cmd = sc->sc_odmacmd;
341 	int count = sc->sc_opages;
342 	int status;
343 
344 	/* Fill used buffer(s). */
345 	while (count-- > 0) {
346 		/* if DBDMA_INT_ALWAYS */
347 		if (in16rb(&cmd->d_command) & 0x30) {	/* XXX */
348 			status = in16rb(&cmd->d_status);
349 			cmd->d_status = 0;
350 			if (status)	/* status == 0x8400 */
351 				if (sc->sc_ointr)
352 					(*sc->sc_ointr)(sc->sc_oarg);
353 		}
354 		cmd++;
355 	}
356 
357 	return 1;
358 }
359 
360 int
361 awacs_open(h, flags)
362 	void *h;
363 	int flags;
364 {
365 	return 0;
366 }
367 
368 /*
369  * Close function is called at splaudio().
370  */
371 void
372 awacs_close(h)
373 	void *h;
374 {
375 	struct awacs_softc *sc = h;
376 
377 	awacs_halt_output(sc);
378 	awacs_halt_input(sc);
379 
380 	sc->sc_ointr = 0;
381 	sc->sc_iintr = 0;
382 }
383 
384 int
385 awacs_query_encoding(h, ae)
386 	void *h;
387 	struct audio_encoding *ae;
388 {
389 	struct awacs_softc *sc = h;
390 
391 	ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
392 
393 	switch (ae->index) {
394 	case 0:
395 		strcpy(ae->name, AudioEslinear);
396 		ae->encoding = AUDIO_ENCODING_SLINEAR;
397 		ae->precision = 16;
398 		ae->flags = 0;
399 		return 0;
400 	case 1:
401 		strcpy(ae->name, AudioEslinear_be);
402 		ae->encoding = AUDIO_ENCODING_SLINEAR_BE;
403 		ae->precision = 16;
404 		ae->flags = 0;
405 		return 0;
406 	case 2:
407 		strcpy(ae->name, AudioEslinear_le);
408 		ae->encoding = AUDIO_ENCODING_SLINEAR_LE;
409 		ae->precision = 16;
410 		if (sc->sc_flags & AWACS_CAP_BSWAP)
411 			ae->flags = 0;
412 		return 0;
413 	case 3:
414 		strcpy(ae->name, AudioEulinear_be);
415 		ae->encoding = AUDIO_ENCODING_ULINEAR_BE;
416 		ae->precision = 16;
417 		return 0;
418 	case 4:
419 		strcpy(ae->name, AudioEulinear_le);
420 		ae->encoding = AUDIO_ENCODING_ULINEAR_LE;
421 		ae->precision = 16;
422 		return 0;
423 	case 5:
424 		strcpy(ae->name, AudioEmulaw);
425 		ae->encoding = AUDIO_ENCODING_ULAW;
426 		ae->precision = 8;
427 		return 0;
428 	case 6:
429 		strcpy(ae->name, AudioEalaw);
430 		ae->encoding = AUDIO_ENCODING_ALAW;
431 		ae->precision = 8;
432 		return 0;
433 	default:
434 		return EINVAL;
435 	}
436 }
437 
438 static void
439 mono16_to_stereo16(v, p, cc)
440 	void *v;
441 	u_char *p;
442 	int cc;
443 {
444 	int x;
445 	int16_t *src, *dst;
446 
447 	src = (void *)(p + cc);
448 	dst = (void *)(p + cc * 2);
449 	while (cc > 0) {
450 		x = *--src;
451 		*--dst = x;
452 		*--dst = x;
453 		cc -= 2;
454 	}
455 }
456 
457 static void
458 swap_bytes_mono16_to_stereo16(v, p, cc)
459 	void *v;
460 	u_char *p;
461 	int cc;
462 {
463 	swap_bytes(v, p, cc);
464 	mono16_to_stereo16(v, p, cc);
465 }
466 
467 int
468 awacs_set_params(h, setmode, usemode, play, rec)
469 	void *h;
470 	int setmode, usemode;
471 	struct audio_params *play, *rec;
472 {
473 	struct awacs_softc *sc = h;
474 	struct audio_params *p;
475 	int mode, rate;
476 
477 	/*
478 	 * This device only has one clock, so make the sample rates match.
479 	 */
480 	if (play->sample_rate != rec->sample_rate &&
481 	    usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
482 		if (setmode == AUMODE_PLAY) {
483 			rec->sample_rate = play->sample_rate;
484 			setmode |= AUMODE_RECORD;
485 		} else if (setmode == AUMODE_RECORD) {
486 			play->sample_rate = rec->sample_rate;
487 			setmode |= AUMODE_PLAY;
488 		} else
489 			return EINVAL;
490 	}
491 
492 	for (mode = AUMODE_RECORD; mode != -1;
493 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
494 		if ((setmode & mode) == 0)
495 			continue;
496 
497 		p = mode == AUMODE_PLAY ? play : rec;
498 
499 		if (p->sample_rate < 4000 || p->sample_rate > 50000 ||
500 		    (p->precision != 8 && p->precision != 16) ||
501 		    (p->channels != 1 && p->channels != 2))
502 			return EINVAL;
503 
504 		p->factor = 1;
505 		p->sw_code = 0;
506 		awacs_write_reg(sc, AWACS_BYTE_SWAP, 0);
507 
508 		switch (p->encoding) {
509 
510 		case AUDIO_ENCODING_SLINEAR_LE:
511 			if (sc->sc_flags & AWACS_CAP_BSWAP)
512 				awacs_write_reg(sc, AWACS_BYTE_SWAP, 1);
513 			else {
514 				if (p->channels == 2 && p->precision == 16) {
515 					p->sw_code = swap_bytes;
516 					break;
517 				}
518 				if (p->channels == 1 && p->precision == 16) {
519 					p->factor = 2;
520 					p->sw_code =
521 					    swap_bytes_mono16_to_stereo16;
522 					break;
523 				}
524 				return EINVAL;
525 			}
526 		case AUDIO_ENCODING_SLINEAR_BE:
527 			if (p->channels == 1 && p->precision == 16) {
528 				p->factor = 2;
529 				p->sw_code = mono16_to_stereo16;
530 				break;
531 			}
532 			if (p->channels == 2 && p->precision == 16)
533 				break;
534 
535 			return EINVAL;
536 
537 		case AUDIO_ENCODING_ULINEAR_LE:
538 			if (p->channels == 2 && p->precision == 16) {
539 				p->sw_code = swap_bytes_change_sign16_be;
540 				break;
541 			}
542 			return EINVAL;
543 
544 		case AUDIO_ENCODING_ULINEAR_BE:
545 			if (p->channels == 2 && p->precision == 16) {
546 				p->sw_code = change_sign16_be;
547 				break;
548 			}
549 			return EINVAL;
550 
551 		case AUDIO_ENCODING_ULAW:
552 			if (mode == AUMODE_PLAY) {
553 				p->factor = 2;
554 				p->sw_code = mulaw_to_slinear16_be;
555 				break;
556 			} else
557 				break;		/* XXX */
558 
559 			return EINVAL;
560 
561 		case AUDIO_ENCODING_ALAW:
562 			if (mode == AUMODE_PLAY) {
563 				p->factor = 2;
564 				p->sw_code = alaw_to_slinear16_be;
565 				break;
566 			}
567 			return EINVAL;
568 
569 		default:
570 			return EINVAL;
571 		}
572 	}
573 
574 	/* Set the speed */
575 	rate = p->sample_rate;
576 
577 	if (awacs_set_rate(sc, rate))
578 		return EINVAL;
579 
580 	return 0;
581 }
582 
583 int
584 awacs_round_blocksize(h, size)
585 	void *h;
586 	int size;
587 {
588 	if (size < NBPG)
589 		size = NBPG;
590 	return size & ~PGOFSET;
591 }
592 
593 int
594 awacs_halt_output(h)
595 	void *h;
596 {
597 	struct awacs_softc *sc = h;
598 
599 	dbdma_stop(sc->sc_odma);
600 	dbdma_reset(sc->sc_odma);
601 	return 0;
602 }
603 
604 int
605 awacs_halt_input(h)
606 	void *h;
607 {
608 	struct awacs_softc *sc = h;
609 
610 	dbdma_stop(sc->sc_idma);
611 	dbdma_reset(sc->sc_idma);
612 	return 0;
613 }
614 
615 int
616 awacs_getdev(h, retp)
617 	void *h;
618 	struct audio_device *retp;
619 {
620 	*retp = awacs_device;
621 	return 0;
622 }
623 
624 enum {
625 	AWACS_MONITOR_CLASS,
626 	AWACS_OUTPUT_CLASS,
627 	AWACS_RECORD_CLASS,
628 	AWACS_OUTPUT_SELECT,
629 	AWACS_VOL_SPEAKER,
630 	AWACS_VOL_HEADPHONE,
631 	AWACS_INPUT_SELECT,
632 	AWACS_VOL_INPUT,
633 	AWACS_ENUM_LAST
634 };
635 
636 int
637 awacs_set_port(h, mc)
638 	void *h;
639 	mixer_ctrl_t *mc;
640 {
641 	struct awacs_softc *sc = h;
642 	int l, r;
643 
644 	DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type);
645 
646 	l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
647 	r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
648 
649 	switch (mc->dev) {
650 	case AWACS_OUTPUT_SELECT:
651 		/* No change necessary? */
652 		if (mc->un.mask == sc->sc_output_mask)
653 			return 0;
654 
655 		sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER | AWACS_MUTE_HEADPHONE;
656 		if (mc->un.mask & 1 << 0)
657 			sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
658 		if (mc->un.mask & 1 << 1)
659 			sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE;
660 
661 		awacs_write_codec(sc, sc->sc_codecctl1);
662 		sc->sc_output_mask = mc->un.mask;
663 		return 0;
664 
665 	case AWACS_VOL_SPEAKER:
666 		awacs_set_speaker_volume(sc, l, r);
667 		return 0;
668 
669 	case AWACS_VOL_HEADPHONE:
670 		awacs_set_ext_volume(sc, l, r);
671 		return 0;
672 
673 	case AWACS_INPUT_SELECT:
674 		/* no change necessary? */
675 		if (mc->un.mask == sc->sc_record_source)
676 			return 0;
677 		switch (mc->un.mask) {
678 		case 1 << 0: /* CD */
679 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
680 			sc->sc_codecctl0 |= AWACS_INPUT_CD;
681 			awacs_write_codec(sc, sc->sc_codecctl0);
682 			break;
683 		case 1 << 1: /* microphone */
684 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
685 			sc->sc_codecctl0 |= AWACS_INPUT_MICROPHONE;
686 			awacs_write_codec(sc, sc->sc_codecctl0);
687 			break;
688 		case 1 << 2: /* line in */
689 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
690 			sc->sc_codecctl0 |= AWACS_INPUT_LINE;
691 			awacs_write_codec(sc, sc->sc_codecctl0);
692 			break;
693 		default: /* invalid argument */
694 			return EINVAL;
695 		}
696 		sc->sc_record_source = mc->un.mask;
697 		return 0;
698 
699 	case AWACS_VOL_INPUT:
700 		sc->sc_codecctl0 &= ~0xff;
701 		sc->sc_codecctl0 |= (l & 0xf0) | (r >> 4);
702 		awacs_write_codec(sc, sc->sc_codecctl0);
703 		return 0;
704 	}
705 
706 	return ENXIO;
707 }
708 
709 int
710 awacs_get_port(h, mc)
711 	void *h;
712 	mixer_ctrl_t *mc;
713 {
714 	struct awacs_softc *sc = h;
715 	int vol, l, r;
716 
717 	DPRINTF("awacs_get_port dev = %d, type = %d\n", mc->dev, mc->type);
718 
719 	switch (mc->dev) {
720 	case AWACS_OUTPUT_SELECT:
721 		mc->un.mask = sc->sc_output_mask;
722 		return 0;
723 
724 	case AWACS_VOL_SPEAKER:
725 		vol = sc->sc_codecctl4;
726 		l = (15 - ((vol & 0x3c0) >> 6)) * 16;
727 		r = (15 - (vol & 0x0f)) * 16;
728 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
729 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
730 		return 0;
731 
732 	case AWACS_VOL_HEADPHONE:
733 		vol = sc->sc_codecctl2;
734 		l = (15 - ((vol & 0x3c0) >> 6)) * 16;
735 		r = (15 - (vol & 0x0f)) * 16;
736 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
737 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
738 		return 0;
739 
740 	case AWACS_INPUT_SELECT:
741 		mc->un.mask = sc->sc_record_source;
742 		return 0;
743 
744 	case AWACS_VOL_INPUT:
745 		vol = sc->sc_codecctl0 & 0xff;
746 		l = (vol & 0xf0);
747 		r = (vol & 0x0f) << 4;
748 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
749 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
750 		return 0;
751 
752 	default:
753 		return ENXIO;
754 	}
755 
756 	return 0;
757 }
758 
759 int
760 awacs_query_devinfo(h, dip)
761 	void *h;
762 	mixer_devinfo_t *dip;
763 {
764 
765 	DPRINTF("query_devinfo %d\n", dip->index);
766 
767 	switch (dip->index) {
768 
769 	case AWACS_OUTPUT_SELECT:
770 		dip->mixer_class = AWACS_MONITOR_CLASS;
771 		strcpy(dip->label.name, AudioNoutput);
772 		dip->type = AUDIO_MIXER_SET;
773 		dip->prev = dip->next = AUDIO_MIXER_LAST;
774 		dip->un.s.num_mem = 2;
775 		strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
776 		dip->un.s.member[0].mask = 1 << 0;
777 		strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
778 		dip->un.s.member[1].mask = 1 << 1;
779 		return 0;
780 
781 	case AWACS_VOL_SPEAKER:
782 		dip->mixer_class = AWACS_OUTPUT_CLASS;
783 		strcpy(dip->label.name, AudioNspeaker);
784 		dip->type = AUDIO_MIXER_VALUE;
785 		dip->prev = dip->next = AUDIO_MIXER_LAST;
786 		dip->un.v.num_channels = 2;
787 		strcpy(dip->un.v.units.name, AudioNvolume);
788 		return 0;
789 
790 	case AWACS_VOL_HEADPHONE:
791 		dip->mixer_class = AWACS_OUTPUT_CLASS;
792 		strcpy(dip->label.name, AudioNheadphone);
793 		dip->type = AUDIO_MIXER_VALUE;
794 		dip->prev = dip->next = AUDIO_MIXER_LAST;
795 		dip->un.v.num_channels = 2;
796 		strcpy(dip->un.v.units.name, AudioNvolume);
797 		return 0;
798 
799 	case AWACS_INPUT_SELECT:
800 		dip->mixer_class = AWACS_RECORD_CLASS;
801 		strcpy(dip->label.name, AudioNsource);
802 		dip->type = AUDIO_MIXER_SET;
803 		dip->prev = dip->next = AUDIO_MIXER_LAST;
804 		dip->un.s.num_mem = 3;
805 		strcpy(dip->un.s.member[0].label.name, AudioNcd);
806 		dip->un.s.member[0].mask = 1 << 0;
807 		strcpy(dip->un.s.member[1].label.name, AudioNmicrophone);
808 		dip->un.s.member[1].mask = 1 << 1;
809 		strcpy(dip->un.s.member[2].label.name, AudioNline);
810 		dip->un.s.member[2].mask = 1 << 2;
811 		return 0;
812 
813 	case AWACS_VOL_INPUT:
814 		dip->mixer_class = AWACS_RECORD_CLASS;
815 		strcpy(dip->label.name, AudioNrecord);
816 		dip->type = AUDIO_MIXER_VALUE;
817 		dip->prev = dip->next = AUDIO_MIXER_LAST;
818 		dip->un.v.num_channels = 2;
819 		strcpy(dip->un.v.units.name, AudioNvolume);
820 		return 0;
821 
822 	case AWACS_MONITOR_CLASS:
823 		dip->mixer_class = AWACS_MONITOR_CLASS;
824 		strcpy(dip->label.name, AudioCmonitor);
825 		dip->type = AUDIO_MIXER_CLASS;
826 		dip->next = dip->prev = AUDIO_MIXER_LAST;
827 		return 0;
828 
829 	case AWACS_OUTPUT_CLASS:
830 		dip->mixer_class = AWACS_OUTPUT_CLASS;
831 		strcpy(dip->label.name, AudioCoutputs);
832 		dip->type = AUDIO_MIXER_CLASS;
833 		dip->next = dip->prev = AUDIO_MIXER_LAST;
834 		return 0;
835 
836 	case AWACS_RECORD_CLASS:
837 		dip->mixer_class = AWACS_RECORD_CLASS;
838 		strcpy(dip->label.name, AudioCrecord);
839 		dip->type = AUDIO_MIXER_CLASS;
840 		dip->next = dip->prev = AUDIO_MIXER_LAST;
841 		return 0;
842 	}
843 
844 	return ENXIO;
845 }
846 
847 size_t
848 awacs_round_buffersize(h, dir, size)
849 	void *h;
850 	int dir;
851 	size_t size;
852 {
853 	if (size > 65536)
854 		size = 65536;
855 	return size;
856 }
857 
858 paddr_t
859 awacs_mappage(h, mem, off, prot)
860 	void *h;
861 	void *mem;
862 	off_t off;
863 	int prot;
864 {
865 	if (off < 0)
866 		return -1;
867 	return -1;	/* XXX */
868 }
869 
870 int
871 awacs_get_props(h)
872 	void *h;
873 {
874 	return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
875 }
876 
877 int
878 awacs_trigger_output(h, start, end, bsize, intr, arg, param)
879 	void *h;
880 	void *start, *end;
881 	int bsize;
882 	void (*intr)(void *);
883 	void *arg;
884 	struct audio_params *param;
885 {
886 	struct awacs_softc *sc = h;
887 	struct dbdma_command *cmd = sc->sc_odmacmd;
888 	vaddr_t va;
889 	int i, len, intmode;
890 
891 	DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
892 
893 	sc->sc_ointr = intr;
894 	sc->sc_oarg = arg;
895 	sc->sc_opages = ((char *)end - (char *)start) / NBPG;
896 
897 #ifdef DIAGNOSTIC
898 	if (sc->sc_opages > 16)
899 		panic("awacs_trigger_output");
900 #endif
901 
902 	va = (vaddr_t)start;
903 	len = 0;
904 	for (i = sc->sc_opages; i > 0; i--) {
905 		len += NBPG;
906 		if (len < bsize)
907 			intmode = DBDMA_INT_NEVER;
908 		else {
909 			len = 0;
910 			intmode = DBDMA_INT_ALWAYS;
911 		}
912 
913 		DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, NBPG, vtophys(va),
914 			intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
915 		va += NBPG;
916 		cmd++;
917 	}
918 
919 	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
920 		DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
921 	dbdma_st32(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
922 
923 	dbdma_start(sc->sc_odma, sc->sc_odmacmd);
924 
925 	return 0;
926 }
927 
928 int
929 awacs_trigger_input(h, start, end, bsize, intr, arg, param)
930 	void *h;
931 	void *start, *end;
932 	int bsize;
933 	void (*intr)(void *);
934 	void *arg;
935 	struct audio_params *param;
936 {
937 	printf("awacs_trigger_input called\n");
938 
939 	return 1;
940 }
941 
942 void
943 awacs_set_speaker_volume(sc, left, right)
944 	struct awacs_softc *sc;
945 	int left, right;
946 {
947 	int lval = 15 - (left  & 0xff) / 16;
948 	int rval = 15 - (right & 0xff) / 16;
949 
950 	DPRINTF("speaker_volume %d %d\n", lval, rval);
951 
952 	sc->sc_codecctl4 &= ~0x3cf;
953 	sc->sc_codecctl4 |= (lval << 6) | rval;
954 	awacs_write_codec(sc, sc->sc_codecctl4);
955 }
956 
957 void
958 awacs_set_ext_volume(sc, left, right)
959 	struct awacs_softc *sc;
960 	int left, right;
961 {
962 	int lval = 15 - (left  & 0xff) / 16;
963 	int rval = 15 - (right & 0xff) / 16;
964 
965 	DPRINTF("ext_volume %d %d\n", lval, rval);
966 
967 	sc->sc_codecctl2 &= ~0x3cf;
968 	sc->sc_codecctl2 |= (lval << 6) | rval;
969 	awacs_write_codec(sc, sc->sc_codecctl2);
970 }
971 
972 int
973 awacs_set_rate(sc, rate)
974 	struct awacs_softc *sc;
975 	int rate;
976 {
977 	int c;
978 
979 	switch (rate) {
980 
981 	case 44100:
982 		c = AWACS_RATE_44100;
983 		break;
984 	case 29400:
985 		c = AWACS_RATE_29400;
986 		break;
987 	case 22050:
988 		c = AWACS_RATE_22050;
989 		break;
990 	case 17640:
991 		c = AWACS_RATE_17640;
992 		break;
993 	case 14700:
994 		c = AWACS_RATE_14700;
995 		break;
996 	case 11025:
997 		c = AWACS_RATE_11025;
998 		break;
999 	case 8820:
1000 		c = AWACS_RATE_8820;
1001 		break;
1002 	case 8000: /* XXX */
1003 	case 7350:
1004 		c = AWACS_RATE_7350;
1005 		break;
1006 	default:
1007 		return -1;
1008 	}
1009 
1010 	sc->sc_soundctl &= ~AWACS_RATE_MASK;
1011 	sc->sc_soundctl |= c;
1012 	awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
1013 
1014 	return 0;
1015 }
1016