xref: /netbsd/sys/arch/macppc/dev/awacs.c (revision c4a72b64)
1 /*	$NetBSD: awacs.c,v 1.15 2002/10/13 14:43:20 wiz 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 *, struct audio_params *);
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 CFATTACH_DECL(awacs, sizeof(struct awacs_softc),
118     awacs_match, awacs_attach, NULL, NULL);
119 
120 struct audio_hw_if awacs_hw_if = {
121 	awacs_open,
122 	awacs_close,
123 	NULL,
124 	awacs_query_encoding,
125 	awacs_set_params,
126 	awacs_round_blocksize,
127 	NULL,
128 	NULL,
129 	NULL,
130 	NULL,
131 	NULL,
132 	awacs_halt_output,
133 	awacs_halt_input,
134 	NULL,
135 	awacs_getdev,
136 	NULL,
137 	awacs_set_port,
138 	awacs_get_port,
139 	awacs_query_devinfo,
140 	NULL,
141 	NULL,
142 	awacs_round_buffersize,
143 	awacs_mappage,
144 	awacs_get_props,
145 	awacs_trigger_output,
146 	awacs_trigger_input,
147 	NULL,
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;
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 	if (awacs_set_rate(sc, p))
576 		return EINVAL;
577 
578 	return 0;
579 }
580 
581 int
582 awacs_round_blocksize(h, size)
583 	void *h;
584 	int size;
585 {
586 	if (size < NBPG)
587 		size = NBPG;
588 	return size & ~PGOFSET;
589 }
590 
591 int
592 awacs_halt_output(h)
593 	void *h;
594 {
595 	struct awacs_softc *sc = h;
596 
597 	dbdma_stop(sc->sc_odma);
598 	dbdma_reset(sc->sc_odma);
599 	return 0;
600 }
601 
602 int
603 awacs_halt_input(h)
604 	void *h;
605 {
606 	struct awacs_softc *sc = h;
607 
608 	dbdma_stop(sc->sc_idma);
609 	dbdma_reset(sc->sc_idma);
610 	return 0;
611 }
612 
613 int
614 awacs_getdev(h, retp)
615 	void *h;
616 	struct audio_device *retp;
617 {
618 	*retp = awacs_device;
619 	return 0;
620 }
621 
622 enum {
623 	AWACS_MONITOR_CLASS,
624 	AWACS_OUTPUT_CLASS,
625 	AWACS_RECORD_CLASS,
626 	AWACS_OUTPUT_SELECT,
627 	AWACS_VOL_SPEAKER,
628 	AWACS_VOL_HEADPHONE,
629 	AWACS_INPUT_SELECT,
630 	AWACS_VOL_INPUT,
631 	AWACS_ENUM_LAST
632 };
633 
634 int
635 awacs_set_port(h, mc)
636 	void *h;
637 	mixer_ctrl_t *mc;
638 {
639 	struct awacs_softc *sc = h;
640 	int l, r;
641 
642 	DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type);
643 
644 	l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
645 	r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
646 
647 	switch (mc->dev) {
648 	case AWACS_OUTPUT_SELECT:
649 		/* No change necessary? */
650 		if (mc->un.mask == sc->sc_output_mask)
651 			return 0;
652 
653 		sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER | AWACS_MUTE_HEADPHONE;
654 		if (mc->un.mask & 1 << 0)
655 			sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
656 		if (mc->un.mask & 1 << 1)
657 			sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE;
658 
659 		awacs_write_codec(sc, sc->sc_codecctl1);
660 		sc->sc_output_mask = mc->un.mask;
661 		return 0;
662 
663 	case AWACS_VOL_SPEAKER:
664 		awacs_set_speaker_volume(sc, l, r);
665 		return 0;
666 
667 	case AWACS_VOL_HEADPHONE:
668 		awacs_set_ext_volume(sc, l, r);
669 		return 0;
670 
671 	case AWACS_INPUT_SELECT:
672 		/* no change necessary? */
673 		if (mc->un.mask == sc->sc_record_source)
674 			return 0;
675 		switch (mc->un.mask) {
676 		case 1 << 0: /* CD */
677 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
678 			sc->sc_codecctl0 |= AWACS_INPUT_CD;
679 			awacs_write_codec(sc, sc->sc_codecctl0);
680 			break;
681 		case 1 << 1: /* microphone */
682 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
683 			sc->sc_codecctl0 |= AWACS_INPUT_MICROPHONE;
684 			awacs_write_codec(sc, sc->sc_codecctl0);
685 			break;
686 		case 1 << 2: /* line in */
687 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
688 			sc->sc_codecctl0 |= AWACS_INPUT_LINE;
689 			awacs_write_codec(sc, sc->sc_codecctl0);
690 			break;
691 		default: /* invalid argument */
692 			return EINVAL;
693 		}
694 		sc->sc_record_source = mc->un.mask;
695 		return 0;
696 
697 	case AWACS_VOL_INPUT:
698 		sc->sc_codecctl0 &= ~0xff;
699 		sc->sc_codecctl0 |= (l & 0xf0) | (r >> 4);
700 		awacs_write_codec(sc, sc->sc_codecctl0);
701 		return 0;
702 	}
703 
704 	return ENXIO;
705 }
706 
707 int
708 awacs_get_port(h, mc)
709 	void *h;
710 	mixer_ctrl_t *mc;
711 {
712 	struct awacs_softc *sc = h;
713 	int vol, l, r;
714 
715 	DPRINTF("awacs_get_port dev = %d, type = %d\n", mc->dev, mc->type);
716 
717 	switch (mc->dev) {
718 	case AWACS_OUTPUT_SELECT:
719 		mc->un.mask = sc->sc_output_mask;
720 		return 0;
721 
722 	case AWACS_VOL_SPEAKER:
723 		vol = sc->sc_codecctl4;
724 		l = (15 - ((vol & 0x3c0) >> 6)) * 16;
725 		r = (15 - (vol & 0x0f)) * 16;
726 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
727 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
728 		return 0;
729 
730 	case AWACS_VOL_HEADPHONE:
731 		vol = sc->sc_codecctl2;
732 		l = (15 - ((vol & 0x3c0) >> 6)) * 16;
733 		r = (15 - (vol & 0x0f)) * 16;
734 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
735 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
736 		return 0;
737 
738 	case AWACS_INPUT_SELECT:
739 		mc->un.mask = sc->sc_record_source;
740 		return 0;
741 
742 	case AWACS_VOL_INPUT:
743 		vol = sc->sc_codecctl0 & 0xff;
744 		l = (vol & 0xf0);
745 		r = (vol & 0x0f) << 4;
746 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
747 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
748 		return 0;
749 
750 	default:
751 		return ENXIO;
752 	}
753 
754 	return 0;
755 }
756 
757 int
758 awacs_query_devinfo(h, dip)
759 	void *h;
760 	mixer_devinfo_t *dip;
761 {
762 
763 	DPRINTF("query_devinfo %d\n", dip->index);
764 
765 	switch (dip->index) {
766 
767 	case AWACS_OUTPUT_SELECT:
768 		dip->mixer_class = AWACS_MONITOR_CLASS;
769 		strcpy(dip->label.name, AudioNoutput);
770 		dip->type = AUDIO_MIXER_SET;
771 		dip->prev = dip->next = AUDIO_MIXER_LAST;
772 		dip->un.s.num_mem = 2;
773 		strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
774 		dip->un.s.member[0].mask = 1 << 0;
775 		strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
776 		dip->un.s.member[1].mask = 1 << 1;
777 		return 0;
778 
779 	case AWACS_VOL_SPEAKER:
780 		dip->mixer_class = AWACS_OUTPUT_CLASS;
781 		strcpy(dip->label.name, AudioNspeaker);
782 		dip->type = AUDIO_MIXER_VALUE;
783 		dip->prev = dip->next = AUDIO_MIXER_LAST;
784 		dip->un.v.num_channels = 2;
785 		strcpy(dip->un.v.units.name, AudioNvolume);
786 		return 0;
787 
788 	case AWACS_VOL_HEADPHONE:
789 		dip->mixer_class = AWACS_OUTPUT_CLASS;
790 		strcpy(dip->label.name, AudioNheadphone);
791 		dip->type = AUDIO_MIXER_VALUE;
792 		dip->prev = dip->next = AUDIO_MIXER_LAST;
793 		dip->un.v.num_channels = 2;
794 		strcpy(dip->un.v.units.name, AudioNvolume);
795 		return 0;
796 
797 	case AWACS_INPUT_SELECT:
798 		dip->mixer_class = AWACS_RECORD_CLASS;
799 		strcpy(dip->label.name, AudioNsource);
800 		dip->type = AUDIO_MIXER_SET;
801 		dip->prev = dip->next = AUDIO_MIXER_LAST;
802 		dip->un.s.num_mem = 3;
803 		strcpy(dip->un.s.member[0].label.name, AudioNcd);
804 		dip->un.s.member[0].mask = 1 << 0;
805 		strcpy(dip->un.s.member[1].label.name, AudioNmicrophone);
806 		dip->un.s.member[1].mask = 1 << 1;
807 		strcpy(dip->un.s.member[2].label.name, AudioNline);
808 		dip->un.s.member[2].mask = 1 << 2;
809 		return 0;
810 
811 	case AWACS_VOL_INPUT:
812 		dip->mixer_class = AWACS_RECORD_CLASS;
813 		strcpy(dip->label.name, AudioNrecord);
814 		dip->type = AUDIO_MIXER_VALUE;
815 		dip->prev = dip->next = AUDIO_MIXER_LAST;
816 		dip->un.v.num_channels = 2;
817 		strcpy(dip->un.v.units.name, AudioNvolume);
818 		return 0;
819 
820 	case AWACS_MONITOR_CLASS:
821 		dip->mixer_class = AWACS_MONITOR_CLASS;
822 		strcpy(dip->label.name, AudioCmonitor);
823 		dip->type = AUDIO_MIXER_CLASS;
824 		dip->next = dip->prev = AUDIO_MIXER_LAST;
825 		return 0;
826 
827 	case AWACS_OUTPUT_CLASS:
828 		dip->mixer_class = AWACS_OUTPUT_CLASS;
829 		strcpy(dip->label.name, AudioCoutputs);
830 		dip->type = AUDIO_MIXER_CLASS;
831 		dip->next = dip->prev = AUDIO_MIXER_LAST;
832 		return 0;
833 
834 	case AWACS_RECORD_CLASS:
835 		dip->mixer_class = AWACS_RECORD_CLASS;
836 		strcpy(dip->label.name, AudioCrecord);
837 		dip->type = AUDIO_MIXER_CLASS;
838 		dip->next = dip->prev = AUDIO_MIXER_LAST;
839 		return 0;
840 	}
841 
842 	return ENXIO;
843 }
844 
845 size_t
846 awacs_round_buffersize(h, dir, size)
847 	void *h;
848 	int dir;
849 	size_t size;
850 {
851 	if (size > 65536)
852 		size = 65536;
853 	return size;
854 }
855 
856 paddr_t
857 awacs_mappage(h, mem, off, prot)
858 	void *h;
859 	void *mem;
860 	off_t off;
861 	int prot;
862 {
863 	if (off < 0)
864 		return -1;
865 	return -1;	/* XXX */
866 }
867 
868 int
869 awacs_get_props(h)
870 	void *h;
871 {
872 	return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
873 }
874 
875 int
876 awacs_trigger_output(h, start, end, bsize, intr, arg, param)
877 	void *h;
878 	void *start, *end;
879 	int bsize;
880 	void (*intr)(void *);
881 	void *arg;
882 	struct audio_params *param;
883 {
884 	struct awacs_softc *sc = h;
885 	struct dbdma_command *cmd = sc->sc_odmacmd;
886 	vaddr_t va;
887 	int i, len, intmode;
888 
889 	DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
890 
891 	sc->sc_ointr = intr;
892 	sc->sc_oarg = arg;
893 	sc->sc_opages = ((char *)end - (char *)start) / NBPG;
894 
895 #ifdef DIAGNOSTIC
896 	if (sc->sc_opages > 16)
897 		panic("awacs_trigger_output");
898 #endif
899 
900 	va = (vaddr_t)start;
901 	len = 0;
902 	for (i = sc->sc_opages; i > 0; i--) {
903 		len += NBPG;
904 		if (len < bsize)
905 			intmode = DBDMA_INT_NEVER;
906 		else {
907 			len = 0;
908 			intmode = DBDMA_INT_ALWAYS;
909 		}
910 
911 		DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, NBPG, vtophys(va),
912 			intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
913 		va += NBPG;
914 		cmd++;
915 	}
916 
917 	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
918 		DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
919 	dbdma_st32(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
920 
921 	dbdma_start(sc->sc_odma, sc->sc_odmacmd);
922 
923 	return 0;
924 }
925 
926 int
927 awacs_trigger_input(h, start, end, bsize, intr, arg, param)
928 	void *h;
929 	void *start, *end;
930 	int bsize;
931 	void (*intr)(void *);
932 	void *arg;
933 	struct audio_params *param;
934 {
935 	printf("awacs_trigger_input called\n");
936 
937 	return 1;
938 }
939 
940 void
941 awacs_set_speaker_volume(sc, left, right)
942 	struct awacs_softc *sc;
943 	int left, right;
944 {
945 	int lval = 15 - (left  & 0xff) / 16;
946 	int rval = 15 - (right & 0xff) / 16;
947 
948 	DPRINTF("speaker_volume %d %d\n", lval, rval);
949 
950 	sc->sc_codecctl4 &= ~0x3cf;
951 	sc->sc_codecctl4 |= (lval << 6) | rval;
952 	awacs_write_codec(sc, sc->sc_codecctl4);
953 }
954 
955 void
956 awacs_set_ext_volume(sc, left, right)
957 	struct awacs_softc *sc;
958 	int left, right;
959 {
960 	int lval = 15 - (left  & 0xff) / 16;
961 	int rval = 15 - (right & 0xff) / 16;
962 
963 	DPRINTF("ext_volume %d %d\n", lval, rval);
964 
965 	sc->sc_codecctl2 &= ~0x3cf;
966 	sc->sc_codecctl2 |= (lval << 6) | rval;
967 	awacs_write_codec(sc, sc->sc_codecctl2);
968 }
969 
970 int
971 awacs_set_rate(sc, p)
972 	struct awacs_softc *sc;
973 	struct audio_params *p;
974 {
975 	int c;
976 
977 	switch (p->sample_rate) {
978 	case 48000:
979 		p->hw_sample_rate = 44100;
980 		c = AWACS_RATE_44100;
981 		break;
982 	case 44100:
983 		c = AWACS_RATE_44100;
984 		break;
985 	case 29400:
986 		c = AWACS_RATE_29400;
987 		break;
988 	case 22050:
989 		c = AWACS_RATE_22050;
990 		break;
991 	case 17640:
992 		c = AWACS_RATE_17640;
993 		break;
994 	case 14700:
995 		c = AWACS_RATE_14700;
996 		break;
997 	case 11025:
998 		c = AWACS_RATE_11025;
999 		break;
1000 	case 8820:
1001 		c = AWACS_RATE_8820;
1002 		break;
1003 	case 8000: /* XXX */
1004 	case 7350:
1005 		c = AWACS_RATE_7350;
1006 		break;
1007 	default:
1008 		return -1;
1009 	}
1010 
1011 	sc->sc_soundctl &= ~AWACS_RATE_MASK;
1012 	sc->sc_soundctl |= c;
1013 	awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
1014 
1015 	return 0;
1016 }
1017