xref: /netbsd-src/sys/arch/macppc/dev/awacs.c (revision 6a493d6bc668897c91594964a732d38505b70cbb)
1 /*	$NetBSD: awacs.c,v 1.43 2012/11/02 20:09:02 phx 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/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: awacs.c,v 1.43 2012/11/02 20:09:02 phx Exp $");
31 
32 #include <sys/param.h>
33 #include <sys/audioio.h>
34 #include <sys/device.h>
35 #include <sys/systm.h>
36 #include <sys/kthread.h>
37 #include <sys/kernel.h>
38 #include <sys/mutex.h>
39 #include <sys/condvar.h>
40 
41 #include <dev/auconv.h>
42 #include <dev/audio_if.h>
43 #include <dev/mulaw.h>
44 
45 #include <uvm/uvm_extern.h>
46 #include <machine/autoconf.h>
47 #include <machine/pio.h>
48 
49 #include <dev/ofw/openfirm.h>
50 #include <macppc/dev/dbdma.h>
51 
52 #include <dev/i2c/sgsmixvar.h>
53 #include "sgsmix.h"
54 #include "opt_awacs.h"
55 
56 #ifdef AWACS_DEBUG
57 # define DPRINTF printf
58 #else
59 # define DPRINTF while (0) printf
60 #endif
61 
62 /* sc_flags values */
63 #define AWACS_CAP_BSWAP		0x0001
64 
65 struct awacs_softc {
66 	device_t sc_dev;
67 	int sc_flags;
68 	bus_space_tag_t sc_tag;
69 	bus_space_handle_t	sc_regh;
70 	bus_space_handle_t	sc_idmah;
71 	bus_space_handle_t	sc_odmah;
72 	void (*sc_ointr)(void *);	/* DMA completion intr handler */
73 	void *sc_oarg;			/* arg for sc_ointr() */
74 	int sc_opages;			/* # of output pages */
75 
76 	void (*sc_iintr)(void *);	/* DMA completion intr handler */
77 	void *sc_iarg;			/* arg for sc_iintr() */
78 
79 	uint32_t sc_record_source;	/* recording source mask */
80 	uint32_t sc_output_mask;	/* output mask */
81 	uint32_t sc_headphones_mask;	/* which reading of the gpio means */
82 	uint32_t sc_headphones_in;	/* headphones are present */
83 
84 	int sc_screamer;
85 	int sc_have_perch;
86 	int vol_l, vol_r;
87 	int sc_bass, sc_treble;
88 	lwp_t *sc_thread;
89 	kcondvar_t sc_event;
90 	int sc_output_wanted;
91 	int sc_need_parallel_output;
92 #if NSGSMIX > 0
93 	device_t sc_sgsmix;
94 #endif
95 
96 	u_int sc_codecctl0;
97 	u_int sc_codecctl1;
98 	u_int sc_codecctl2;
99 	u_int sc_codecctl4;
100 	u_int sc_codecctl5;
101 	u_int sc_codecctl6;
102 	u_int sc_codecctl7;
103 	u_int sc_soundctl;
104 
105 	struct dbdma_regmap *sc_odma;
106 	struct dbdma_regmap *sc_idma;
107 	struct dbdma_command *sc_odmacmd;
108 	struct dbdma_command *sc_idmacmd;
109 
110 #define AWACS_NFORMATS	2
111 	struct audio_format sc_formats[AWACS_NFORMATS];
112 
113 	kmutex_t sc_lock;
114 	kmutex_t sc_intr_lock;
115 };
116 
117 static int awacs_match(device_t, struct cfdata *, void *);
118 static void awacs_attach(device_t, device_t, void *);
119 static int awacs_intr(void *);
120 static int awacs_status_intr(void *);
121 
122 static void awacs_close(void *);
123 static int awacs_query_encoding(void *, struct audio_encoding *);
124 static int awacs_set_params(void *, int, int, audio_params_t *, audio_params_t *,
125 		     stream_filter_list_t *, stream_filter_list_t *);
126 
127 static int awacs_round_blocksize(void *, int, int, const audio_params_t *);
128 static int awacs_trigger_output(void *, void *, void *, int, void (*)(void *),
129 			 void *, const audio_params_t *);
130 static int awacs_trigger_input(void *, void *, void *, int, void (*)(void *),
131 			void *, const audio_params_t *);
132 static int awacs_halt_output(void *);
133 static int awacs_halt_input(void *);
134 static int awacs_getdev(void *, struct audio_device *);
135 static int awacs_set_port(void *, mixer_ctrl_t *);
136 static int awacs_get_port(void *, mixer_ctrl_t *);
137 static int awacs_query_devinfo(void *, mixer_devinfo_t *);
138 static size_t awacs_round_buffersize(void *, int, size_t);
139 static paddr_t awacs_mappage(void *, void *, off_t, int);
140 static int awacs_get_props(void *);
141 static void awacs_get_locks(void *, kmutex_t **, kmutex_t **);
142 
143 static inline u_int awacs_read_reg(struct awacs_softc *, int);
144 static inline void awacs_write_reg(struct awacs_softc *, int, int);
145 static void awacs_write_codec(struct awacs_softc *, int);
146 
147 void awacs_set_volume(struct awacs_softc *, int, int);
148 static void awacs_set_speaker_volume(struct awacs_softc *, int, int);
149 static void awacs_set_ext_volume(struct awacs_softc *, int, int);
150 static void awacs_set_loopthrough_volume(struct awacs_softc *, int, int);
151 static int awacs_set_rate(struct awacs_softc *, const audio_params_t *);
152 static void awacs_select_output(struct awacs_softc *, int);
153 static int awacs_check_headphones(struct awacs_softc *);
154 static void awacs_thread(void *);
155 
156 #if NSGSMIX > 0
157 static void awacs_set_bass(struct awacs_softc *, int);
158 static void awacs_set_treble(struct awacs_softc *, int);
159 #endif
160 static int awacs_setup_sgsmix(device_t);
161 
162 CFATTACH_DECL_NEW(awacs, sizeof(struct awacs_softc),
163     awacs_match, awacs_attach, NULL, NULL);
164 
165 const struct audio_hw_if awacs_hw_if = {
166 	NULL,			/* open */
167 	awacs_close,
168 	NULL,
169 	awacs_query_encoding,
170 	awacs_set_params,
171 	awacs_round_blocksize,
172 	NULL,
173 	NULL,
174 	NULL,
175 	NULL,
176 	NULL,
177 	awacs_halt_output,
178 	awacs_halt_input,
179 	NULL,
180 	awacs_getdev,
181 	NULL,
182 	awacs_set_port,
183 	awacs_get_port,
184 	awacs_query_devinfo,
185 	NULL,
186 	NULL,
187 	awacs_round_buffersize,
188 	awacs_mappage,
189 	awacs_get_props,
190 	awacs_trigger_output,
191 	awacs_trigger_input,
192 	NULL,
193 	awacs_get_locks,
194 };
195 
196 struct audio_device awacs_device = {
197 	"AWACS",
198 	"",
199 	"awacs"
200 };
201 
202 #define AWACS_NFORMATS		2
203 #define AWACS_FORMATS_LE	0
204 static const struct audio_format awacs_formats[AWACS_NFORMATS] = {
205 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
206 	 2, AUFMT_STEREO, 8,
207 	 {7350, 8820, 11025, 14700, 17640, 22050, 29400, 44100}},
208 	{NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 16, 16,
209 	 2, AUFMT_STEREO, 8,
210 	 {7350, 8820, 11025, 14700, 17640, 22050, 29400, 44100}},
211 };
212 
213 /* register offset */
214 #define AWACS_SOUND_CTRL	0x00
215 #define AWACS_CODEC_CTRL	0x10
216 #define AWACS_CODEC_STATUS	0x20
217 #define AWACS_CLIP_COUNT	0x30
218 #define AWACS_BYTE_SWAP		0x40
219 
220 /* sound control */
221 #define AWACS_INPUT_SUBFRAME0	0x00000001
222 #define AWACS_INPUT_SUBFRAME1	0x00000002
223 #define AWACS_INPUT_SUBFRAME2	0x00000004
224 #define AWACS_INPUT_SUBFRAME3	0x00000008
225 
226 #define AWACS_OUTPUT_SUBFRAME0	0x00000010
227 #define AWACS_OUTPUT_SUBFRAME1	0x00000020
228 #define AWACS_OUTPUT_SUBFRAME2	0x00000040
229 #define AWACS_OUTPUT_SUBFRAME3	0x00000080
230 
231 #define AWACS_RATE_44100	0x00000000
232 #define AWACS_RATE_29400	0x00000100
233 #define AWACS_RATE_22050	0x00000200
234 #define AWACS_RATE_17640	0x00000300
235 #define AWACS_RATE_14700	0x00000400
236 #define AWACS_RATE_11025	0x00000500
237 #define AWACS_RATE_8820		0x00000600
238 #define AWACS_RATE_7350		0x00000700
239 #define AWACS_RATE_MASK		0x00000700
240 
241 #define AWACS_ERROR		0x00000800
242 #define AWACS_PORTCHG		0x00001000
243 #define AWACS_INTR_ERROR	0x00002000	/* interrupt on error */
244 #define AWACS_INTR_PORTCHG	0x00004000	/* interrupt on port change */
245 
246 #define AWACS_STATUS_SUBFRAME	0x00018000	/* mask */
247 
248 /* codec control */
249 #define AWACS_CODEC_ADDR0	0x00000000
250 #define AWACS_CODEC_ADDR1	0x00001000
251 #define AWACS_CODEC_ADDR2	0x00002000
252 #define AWACS_CODEC_ADDR4	0x00004000
253 #define AWACS_CODEC_ADDR5	0x00005000
254 #define AWACS_CODEC_ADDR6	0x00006000
255 #define AWACS_CODEC_ADDR7	0x00007000
256 #define AWACS_CODEC_EMSEL0	0x00000000
257 #define AWACS_CODEC_EMSEL1	0x00400000
258 #define AWACS_CODEC_EMSEL2	0x00800000
259 #define AWACS_CODEC_EMSEL4	0x00c00000
260 #define AWACS_CODEC_BUSY	0x01000000
261 
262 /* cc0 */
263 #define AWACS_DEFAULT_CD_GAIN	0x000000bb
264 #define AWACS_INPUT_CD		0x00000200
265 #define AWACS_INPUT_LINE	0x00000400
266 #define AWACS_INPUT_MICROPHONE	0x00000800
267 #define AWACS_INPUT_MASK	0x00000e00
268 
269 /* cc1 */
270 #define AWACS_LOOP_THROUGH	0x00000040
271 #define AWACS_MUTE_SPEAKER	0x00000080
272 #define AWACS_MUTE_HEADPHONE	0x00000200
273 #define AWACS_PARALLEL_OUTPUT	0x00000c00
274 
275 /* output */
276 #define OUTPUT_SPEAKER		1
277 #define OUTPUT_HEADPHONES	2
278 
279 /* codec status */
280 
281 static const char *screamer[] = {"screamer", NULL};
282 
283 /*
284  * list machines that have the headphone detect GPIO reversed here.
285  * so far the only known case is the PowerBook 3400c and similar machines
286  */
287 static const char *detect_reversed[] = {"AAPL,3400/2400",
288 					"AAPL,3500",
289 					NULL};
290 
291 static const char *use_gpio4[] = {	"PowerMac3,1",
292 					"PowerMac3,2",
293 					"PowerMac3,3",
294 					NULL};
295 
296 /*
297  * list of machines that do not require AWACS_PARALLEL_OUTPUT
298  */
299 static const char *no_parallel_output[] = {	"PowerBook3,1",
300 						NULL};
301 
302 static int
303 awacs_match(device_t parent, struct cfdata *match, void *aux)
304 {
305 	struct confargs *ca;
306 
307 	ca = aux;
308 
309 	if (strcmp(ca->ca_name, "awacs") == 0 ||
310 	    strcmp(ca->ca_name, "davbus") == 0)
311 		return 100;
312 
313 	if (ca->ca_nreg < 24 || ca->ca_nintr < 12)
314 		return 0;
315 
316 	if (strcmp(ca->ca_name, "i2s") == 0)
317 		return 1;
318 
319 	return 0;
320 }
321 
322 static void
323 awacs_attach(device_t parent, device_t self, void *aux)
324 {
325 	struct awacs_softc *sc;
326 	struct confargs *ca = aux;
327 	int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type;
328 	int len = -1, perch;
329 	int root_node;
330 	char compat[256];
331 
332 	sc = device_private(self);
333 	sc->sc_dev = self;
334 	sc->sc_tag = ca->ca_tag;
335 
336 	if (bus_space_map(sc->sc_tag, ca->ca_baseaddr + ca->ca_reg[0],
337 	    ca->ca_reg[1], 0, &sc->sc_regh) != 0)
338 		printf("couldn't map codec registers\n");
339 	if (bus_space_map(sc->sc_tag, ca->ca_baseaddr + ca->ca_reg[2],
340 	    ca->ca_reg[3], BUS_SPACE_MAP_LINEAR, &sc->sc_odmah) != 0)
341 		printf("couldn't map DMA out registers\n");
342 	if (bus_space_map(sc->sc_tag, ca->ca_baseaddr + ca->ca_reg[4],
343 	    ca->ca_reg[5], BUS_SPACE_MAP_LINEAR, &sc->sc_idmah) != 0)
344 		printf("couldn't map DMA in registers\n");
345 
346 	sc->sc_odma = bus_space_vaddr(sc->sc_tag, sc->sc_odmah);
347 	sc->sc_idma = bus_space_vaddr(sc->sc_tag, sc->sc_idmah);
348 	sc->sc_odmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
349 	sc->sc_idmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
350 
351 	if (strcmp(ca->ca_name, "i2s") == 0) {
352 		int node, intr[6];
353 
354 		node = OF_child(ca->ca_node);
355 		if (node == 0) {
356 			printf("no i2s-a child\n");
357 			return;
358 		}
359 		if (OF_getprop(node, "interrupts", intr, sizeof(intr)) == -1) {
360 			printf("no interrupt property\n");
361 			return;
362 		}
363 
364 		cirq = intr[0];
365 		oirq = intr[2];
366 		iirq = intr[4];
367 		cirq_type = intr[1] ? IST_LEVEL : IST_EDGE;
368 		oirq_type = intr[3] ? IST_LEVEL : IST_EDGE;
369 		iirq_type = intr[5] ? IST_LEVEL : IST_EDGE;
370 	} else if (ca->ca_nintr == 24) {
371 		cirq = ca->ca_intr[0];
372 		oirq = ca->ca_intr[2];
373 		iirq = ca->ca_intr[4];
374 		cirq_type = ca->ca_intr[1] ? IST_LEVEL : IST_EDGE;
375 		oirq_type = ca->ca_intr[3] ? IST_LEVEL : IST_EDGE;
376 		iirq_type = ca->ca_intr[5] ? IST_LEVEL : IST_EDGE;
377 	} else {
378 		cirq = ca->ca_intr[0];
379 		oirq = ca->ca_intr[1];
380 		iirq = ca->ca_intr[2];
381 		cirq_type = oirq_type = iirq_type = IST_EDGE;
382 	}
383 
384 	intr_establish(cirq, cirq_type, IPL_BIO, awacs_status_intr, sc);
385 	intr_establish(oirq, oirq_type, IPL_AUDIO, awacs_intr, sc);
386 	intr_establish(iirq, iirq_type, IPL_AUDIO, awacs_intr, sc);
387 
388 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
389 	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
390 
391 	cv_init(&sc->sc_event, "awacs_wait");
392 
393 	/* check if the chip is a screamer */
394 	sc->sc_screamer = (of_compatible(ca->ca_node, screamer) != -1);
395 	if (!sc->sc_screamer) {
396 		/* look for 'sound' child node */
397 		int sound_node;
398 
399 		sound_node = OF_child(ca->ca_node);
400 		while ((sound_node != 0) && (!sc->sc_screamer)) {
401 
402 			sc->sc_screamer =
403 			    (of_compatible(sound_node, screamer) != -1);
404 			sound_node = OF_peer(sound_node);
405 		}
406 	}
407 
408 	if (sc->sc_screamer) {
409 		printf(" Screamer");
410 	}
411 
412 	printf(": irq %d,%d,%d\n", cirq, oirq, iirq);
413 
414 	sc->vol_l = 0;
415 	sc->vol_r = 0;
416 
417 	memcpy(&sc->sc_formats, awacs_formats, sizeof(awacs_formats));
418 
419 	/* XXX Uni-North based models don't have byteswap capability. */
420 	if (OF_finddevice("/uni-n") == -1) {
421 
422 		sc->sc_flags |= AWACS_CAP_BSWAP;
423 	} else {
424 
425 		AUFMT_INVALIDATE(&sc->sc_formats[AWACS_FORMATS_LE]);
426 	}
427 
428 	sc->sc_soundctl = AWACS_INPUT_SUBFRAME0 | AWACS_OUTPUT_SUBFRAME0 |
429 		AWACS_RATE_44100 | AWACS_INTR_PORTCHG;
430 	awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
431 
432 	sc->sc_codecctl0 = AWACS_CODEC_ADDR0 | AWACS_CODEC_EMSEL0;
433 	sc->sc_codecctl1 = AWACS_CODEC_ADDR1 | AWACS_CODEC_EMSEL0;
434 	sc->sc_codecctl2 = AWACS_CODEC_ADDR2 | AWACS_CODEC_EMSEL0;
435 	sc->sc_codecctl4 = AWACS_CODEC_ADDR4 | AWACS_CODEC_EMSEL0;
436 	sc->sc_codecctl5 = AWACS_CODEC_ADDR5 | AWACS_CODEC_EMSEL0;
437 	sc->sc_codecctl6 = AWACS_CODEC_ADDR6 | AWACS_CODEC_EMSEL0;
438 	sc->sc_codecctl7 = AWACS_CODEC_ADDR7 | AWACS_CODEC_EMSEL0;
439 
440 	sc->sc_codecctl0 |= AWACS_INPUT_CD | AWACS_DEFAULT_CD_GAIN;
441 	awacs_write_codec(sc, sc->sc_codecctl0);
442 
443 	/* Set loopthrough for external mixer on beige G3 */
444 	sc->sc_codecctl1 |= AWACS_LOOP_THROUGH;
445 
446         printf("%s: ", device_xname(sc->sc_dev));
447 
448 	/*
449 	 * all(?) awacs have GPIOs to detect if there's something plugged into
450 	 * the headphone jack. The other GPIOs are either used for other jacks
451 	 * ( the PB3400c's microphone jack for instance ) or unused.
452 	 * The problem is that there are at least three different ways how
453 	 * those GPIOs are wired to the actual jacks.
454 	 * For now we bother only with headphone detection
455 	 */
456 	perch = OF_finddevice("/perch");
457 	root_node = OF_finddevice("/");
458 	if (of_compatible(root_node, detect_reversed) != -1) {
459 
460 		/* 0x02 is for the microphone jack, high active */
461 		/*
462 		 * for some reason the gpio for the headphones jack is low
463 		 * active on the PB3400 and similar machines
464 		 */
465 		sc->sc_headphones_mask = 0x8;
466 		sc->sc_headphones_in = 0x0;
467 	} else if ((perch != -1) ||
468 	    (of_compatible(root_node, use_gpio4) != -1)) {
469 		/*
470 		 * this is for the beige G3's 'personality card' which uses
471 		 * yet another wiring of the headphone detect GPIOs
472 		 * some G4s use it as well
473 		 */
474 		sc->sc_headphones_mask = 0x04;
475 		sc->sc_headphones_in = 0x04;
476 	} else {
477 		/* while on most machines it's high active as well */
478 		sc->sc_headphones_mask = 0x8;
479 		sc->sc_headphones_in = 0x8;
480 	}
481 
482 	if (of_compatible(root_node, no_parallel_output) != -1)
483 		sc->sc_need_parallel_output = 0;
484 	else {
485 		sc->sc_need_parallel_output = 1;
486 		sc->sc_codecctl1 |= AWACS_PARALLEL_OUTPUT;
487 	}
488 
489 	if (awacs_check_headphones(sc)) {
490 
491                 /* default output to headphones */
492                 printf("headphones\n");
493                 sc->sc_output_mask = OUTPUT_HEADPHONES;
494         } else {
495 
496                 /* default output to speakers */
497                 printf("speaker\n");
498                 sc->sc_output_mask = OUTPUT_SPEAKER;
499         }
500 	sc->sc_output_wanted = sc->sc_output_mask;
501 	awacs_select_output(sc, sc->sc_output_mask);
502 
503 	delay(100);
504 	if (sc->sc_screamer) {
505 		awacs_write_codec(sc, sc->sc_codecctl6);
506 		awacs_write_codec(sc, sc->sc_codecctl5);
507 		delay(2);
508 		awacs_write_codec(sc, sc->sc_codecctl1);
509 		awacs_write_codec(sc, sc->sc_codecctl7);
510 	}
511 
512 	/* default input from CD */
513 	sc->sc_record_source = 1 << 0;
514 	sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
515 	sc->sc_codecctl0 |= AWACS_INPUT_CD;
516 	awacs_write_codec(sc, sc->sc_codecctl0);
517 
518 	/* Enable interrupts and looping mode. */
519 	/* XXX ... */
520 
521 	sc->sc_codecctl1 |= AWACS_LOOP_THROUGH;
522 	if (sc->sc_need_parallel_output)
523 		sc->sc_codecctl1 |= AWACS_PARALLEL_OUTPUT;
524 	awacs_write_codec(sc, sc->sc_codecctl1);
525 
526 #if NSGSMIX > 0
527 	sc->sc_sgsmix = NULL;
528 #endif
529 	sc->sc_have_perch = 0;
530 	if (perch != -1) {
531 
532 		len = OF_getprop(perch, "compatible", compat, 255);
533 		if (len > 0) {
534 			printf("%s: found '%s' personality card\n",
535 			    device_xname(sc->sc_dev), compat);
536 			sc->sc_have_perch = 1;
537 			config_finalize_register(sc->sc_dev,
538 			    awacs_setup_sgsmix);
539 		}
540 	}
541 
542 	/* Set initial volume[s] */
543 	awacs_set_volume(sc, 144, 144);
544 	awacs_set_loopthrough_volume(sc, 0, 0);
545 
546 	audio_attach_mi(&awacs_hw_if, sc, sc->sc_dev);
547 
548 	if (kthread_create(PRI_NONE, 0, NULL, awacs_thread, sc,
549 	    &sc->sc_thread, "%s", "awacs") != 0) {
550 		printf("awacs: unable to create event kthread");
551 	}
552 	pmf_device_register(sc->sc_dev, NULL, NULL);
553 }
554 
555 static int
556 awacs_setup_sgsmix(device_t cookie)
557 {
558 	struct awacs_softc *sc = device_private(cookie);
559 #if NSGSMIX > 0
560 	device_t dv;
561 	deviter_t di;
562 #endif
563 
564 	if (!sc->sc_have_perch)
565 		return 0;
566 #if NSGSMIX > 0
567 	/* look for sgsmix */
568 	for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST);
569 	     dv != NULL;
570 	     dv = deviter_next(&di)) {
571 		if (device_is_a(dv, "sgsmix")) {
572 			sc->sc_sgsmix = dv;
573 			break;
574 		}
575 	}
576 	deviter_release(&di);
577 	if (sc->sc_sgsmix == NULL)
578 		return 0;
579 
580 	printf("%s: using %s\n", device_xname(sc->sc_dev),
581 	    device_xname(sc->sc_sgsmix));
582 
583 	sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE;
584 	awacs_write_codec(sc, sc->sc_codecctl1);
585 
586 	mutex_enter(&sc->sc_intr_lock);
587 	awacs_select_output(sc, sc->sc_output_mask);
588 	awacs_set_volume(sc, sc->vol_l, sc->vol_r);
589 	awacs_set_bass(sc, 128);
590 	awacs_set_treble(sc, 128);
591 	cv_signal(&sc->sc_event);
592 	mutex_exit(&sc->sc_intr_lock);
593 #endif
594 	return 0;
595 }
596 
597 
598 static inline u_int
599 awacs_read_reg(struct awacs_softc *sc, int reg)
600 {
601 
602 	return bus_space_read_4(sc->sc_tag, sc->sc_regh, reg);
603 }
604 
605 static inline void
606 awacs_write_reg(struct awacs_softc *sc, int reg, int val)
607 {
608 
609 	bus_space_write_4(sc->sc_tag, sc->sc_regh, reg, val);
610 }
611 
612 static void
613 awacs_write_codec(struct awacs_softc *sc, int value)
614 {
615 
616 	do {
617 		delay(100);
618 	} while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
619 
620 	awacs_write_reg(sc, AWACS_CODEC_CTRL, value);
621 
622 	do {
623 		delay(100);
624 	} while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
625 }
626 
627 static int
628 awacs_intr(void *v)
629 {
630 	struct awacs_softc *sc;
631 	struct dbdma_command *cmd;
632 	int count;
633 	int status;
634 
635 	sc = v;
636 	mutex_spin_enter(&sc->sc_intr_lock);
637 	cmd = sc->sc_odmacmd;
638 	count = sc->sc_opages;
639 	/* Fill used buffer(s). */
640 	while (count-- > 0) {
641 		/* if DBDMA_INT_ALWAYS */
642 		if (in16rb(&cmd->d_command) & 0x30) {	/* XXX */
643 			status = in16rb(&cmd->d_status);
644 			cmd->d_status = 0;
645 			if (status)	/* status == 0x8400 */
646 				if (sc->sc_ointr)
647 					(*sc->sc_ointr)(sc->sc_oarg);
648 		}
649 		cmd++;
650 	}
651 	mutex_spin_exit(&sc->sc_intr_lock);
652 
653 	return 1;
654 }
655 
656 /*
657  * Close function is called at splaudio().
658  */
659 static void
660 awacs_close(void *h)
661 {
662 	struct awacs_softc *sc;
663 
664 	sc = h;
665 	awacs_halt_output(sc);
666 	awacs_halt_input(sc);
667 
668 	sc->sc_ointr = 0;
669 	sc->sc_iintr = 0;
670 }
671 
672 static int
673 awacs_query_encoding(void *h, struct audio_encoding *ae)
674 {
675 	struct awacs_softc *sc;
676 
677 	sc = h;
678 	ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
679 
680 	switch (ae->index) {
681 	case 0:
682 		strcpy(ae->name, AudioEslinear);
683 		ae->encoding = AUDIO_ENCODING_SLINEAR;
684 		ae->precision = 16;
685 		ae->flags = 0;
686 		return 0;
687 	case 1:
688 		strcpy(ae->name, AudioEslinear_be);
689 		ae->encoding = AUDIO_ENCODING_SLINEAR_BE;
690 		ae->precision = 16;
691 		ae->flags = 0;
692 		return 0;
693 	case 2:
694 		strcpy(ae->name, AudioEslinear_le);
695 		ae->encoding = AUDIO_ENCODING_SLINEAR_LE;
696 		ae->precision = 16;
697 		if (sc->sc_flags & AWACS_CAP_BSWAP)
698 			ae->flags = 0;
699 		return 0;
700 	case 3:
701 		strcpy(ae->name, AudioEulinear_be);
702 		ae->encoding = AUDIO_ENCODING_ULINEAR_BE;
703 		ae->precision = 16;
704 		return 0;
705 	case 4:
706 		strcpy(ae->name, AudioEulinear_le);
707 		ae->encoding = AUDIO_ENCODING_ULINEAR_LE;
708 		ae->precision = 16;
709 		return 0;
710 	case 5:
711 		strcpy(ae->name, AudioEmulaw);
712 		ae->encoding = AUDIO_ENCODING_ULAW;
713 		ae->precision = 8;
714 		return 0;
715 	case 6:
716 		strcpy(ae->name, AudioEalaw);
717 		ae->encoding = AUDIO_ENCODING_ALAW;
718 		ae->precision = 8;
719 		return 0;
720 	default:
721 		return EINVAL;
722 	}
723 }
724 
725 static int
726 awacs_set_params(void *h, int setmode, int usemode,
727 		 audio_params_t *play, audio_params_t *rec,
728 		 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
729 {
730 	struct awacs_softc *sc;
731 	audio_params_t *p;
732 	stream_filter_list_t *fil;
733 	int mode, i;
734 
735 	sc = h;
736 	p = NULL;
737 	/*
738 	 * This device only has one clock, so make the sample rates match.
739 	 */
740 	if (play->sample_rate != rec->sample_rate &&
741 	    usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
742 		if (setmode == AUMODE_PLAY) {
743 			rec->sample_rate = play->sample_rate;
744 			setmode |= AUMODE_RECORD;
745 		} else if (setmode == AUMODE_RECORD) {
746 			play->sample_rate = rec->sample_rate;
747 			setmode |= AUMODE_PLAY;
748 		} else
749 			return EINVAL;
750 	}
751 
752 	for (mode = AUMODE_RECORD; mode != -1;
753 	     mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
754 		if ((setmode & mode) == 0)
755 			continue;
756 
757 		p = mode == AUMODE_PLAY ? play : rec;
758 		fil = mode == AUMODE_PLAY ? pfil : rfil;
759 		switch (p->sample_rate) {
760 		case 48000:	/* aurateconv */
761 		case 44100:
762 		case 29400:
763 		case 22050:
764 		case 17640:
765 		case 14700:
766 		case 11025:
767 		case 8820:
768 		case 8000:	/* aurateconv */
769 		case 7350:
770 			break;
771 		default:
772 			return EINVAL;
773 		}
774 		awacs_write_reg(sc, AWACS_BYTE_SWAP, 0);
775 		i = auconv_set_converter(sc->sc_formats, AWACS_NFORMATS,
776 					 mode, p, true, fil);
777 		if (i < 0)
778 			return EINVAL;
779 		if (i == AWACS_FORMATS_LE)
780 			awacs_write_reg(sc, AWACS_BYTE_SWAP, 1);
781 		if (fil->req_size > 0)
782 			p = &fil->filters[0].param;
783 		if (awacs_set_rate(sc, p))
784 			return EINVAL;
785 	}
786 	return 0;
787 }
788 
789 static int
790 awacs_round_blocksize(void *h, int size, int mode, const audio_params_t *param)
791 {
792 
793 	if (size < PAGE_SIZE)
794 		size = PAGE_SIZE;
795 	return size & ~PGOFSET;
796 }
797 
798 static int
799 awacs_halt_output(void *h)
800 {
801 	struct awacs_softc *sc;
802 
803 	sc = h;
804 	dbdma_stop(sc->sc_odma);
805 	dbdma_reset(sc->sc_odma);
806 	return 0;
807 }
808 
809 static int
810 awacs_halt_input(void *h)
811 {
812 	struct awacs_softc *sc;
813 
814 	sc = h;
815 	dbdma_stop(sc->sc_idma);
816 	dbdma_reset(sc->sc_idma);
817 	return 0;
818 }
819 
820 static int
821 awacs_getdev(void *h, struct audio_device *retp)
822 {
823 
824 	*retp = awacs_device;
825 	return 0;
826 }
827 
828 enum {
829 	AWACS_MONITOR_CLASS,
830 	AWACS_OUTPUT_CLASS,
831 	AWACS_RECORD_CLASS,
832 	AWACS_OUTPUT_SELECT,
833 	AWACS_VOL_MASTER,
834 	AWACS_INPUT_SELECT,
835 	AWACS_VOL_INPUT,
836 	AWACS_VOL_MONITOR,
837 	AWACS_BASS,
838 	AWACS_TREBLE,
839 	AWACS_ENUM_LAST
840 };
841 
842 static int
843 awacs_set_port(void *h, mixer_ctrl_t *mc)
844 {
845 	struct awacs_softc *sc;
846 	int l, r;
847 
848 	DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type);
849 	sc = h;
850 	l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
851 	r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
852 
853 	switch (mc->dev) {
854 	case AWACS_OUTPUT_SELECT:
855 		/* No change necessary? */
856 		if (mc->un.mask == sc->sc_output_mask)
857 			return 0;
858 		mutex_enter(&sc->sc_intr_lock);
859 		awacs_select_output(sc, mc->un.mask);
860 		mutex_exit(&sc->sc_intr_lock);
861 		return 0;
862 
863 	case AWACS_VOL_MASTER:
864 		mutex_enter(&sc->sc_intr_lock);
865 		awacs_set_volume(sc, l, r);
866 		mutex_exit(&sc->sc_intr_lock);
867 		return 0;
868 
869 	case AWACS_INPUT_SELECT:
870 		/* no change necessary? */
871 		if (mc->un.mask == sc->sc_record_source)
872 			return 0;
873 		switch (mc->un.mask) {
874 		case 1 << 0: /* CD */
875 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
876 			sc->sc_codecctl0 |= AWACS_INPUT_CD;
877 			awacs_write_codec(sc, sc->sc_codecctl0);
878 			break;
879 		case 1 << 1: /* microphone */
880 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
881 			sc->sc_codecctl0 |= AWACS_INPUT_MICROPHONE;
882 			awacs_write_codec(sc, sc->sc_codecctl0);
883 			break;
884 		case 1 << 2: /* line in */
885 			sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
886 			sc->sc_codecctl0 |= AWACS_INPUT_LINE;
887 			awacs_write_codec(sc, sc->sc_codecctl0);
888 			break;
889 		default: /* invalid argument */
890 			return EINVAL;
891 		}
892 		sc->sc_record_source = mc->un.mask;
893 		return 0;
894 
895 	case AWACS_VOL_INPUT:
896 		sc->sc_codecctl0 &= ~0xff;
897 		sc->sc_codecctl0 |= (l & 0xf0) | (r >> 4);
898 		awacs_write_codec(sc, sc->sc_codecctl0);
899 		return 0;
900 
901 	case AWACS_VOL_MONITOR:
902 		awacs_set_loopthrough_volume(sc, l, r);
903 		return 0;
904 
905 #if NSGSMIX > 0
906 	case AWACS_BASS:
907 		mutex_enter(&sc->sc_intr_lock);
908 		awacs_set_bass(sc, l);
909 		mutex_exit(&sc->sc_intr_lock);
910 		return 0;
911 
912 	case AWACS_TREBLE:
913 		mutex_enter(&sc->sc_intr_lock);
914 		awacs_set_treble(sc, l);
915 		mutex_exit(&sc->sc_intr_lock);
916 		return 0;
917 #endif
918 	}
919 
920 	return ENXIO;
921 }
922 
923 static int
924 awacs_get_port(void *h, mixer_ctrl_t *mc)
925 {
926 	struct awacs_softc *sc;
927 	int l, r, vol;
928 
929 	sc = h;
930 	switch (mc->dev) {
931 	case AWACS_OUTPUT_SELECT:
932 		mc->un.mask = sc->sc_output_mask;
933 		return 0;
934 
935 	case AWACS_VOL_MASTER:
936 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->vol_l;
937 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->vol_r;
938 		return 0;
939 
940 	case AWACS_INPUT_SELECT:
941 		mc->un.mask = sc->sc_record_source;
942 		return 0;
943 
944 	case AWACS_VOL_INPUT:
945 		vol = sc->sc_codecctl0 & 0xff;
946 		l = (vol & 0xf0);
947 		r = (vol & 0x0f) << 4;
948 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
949 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
950 		return 0;
951 
952 	case AWACS_VOL_MONITOR:
953 		vol = sc->sc_codecctl5 & 0x3cf;
954 		l = (vol & 0x3c0) >> 6;
955 		r = vol & 0xf;
956 		mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = (15 - l) << 4;
957 		mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = (15 - r) << 4;
958 		return 0;
959 
960 #if NSGSMIX > 0
961 	case AWACS_BASS:
962 		mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_bass;
963 		return 0;
964 
965 	case AWACS_TREBLE:
966 		mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_treble;
967 		return 0;
968 #endif
969 
970 	default:
971 		return ENXIO;
972 	}
973 
974 	return 0;
975 }
976 
977 static int
978 awacs_query_devinfo(void *h, mixer_devinfo_t *dip)
979 {
980 #if NSGSMIX > 0
981 	struct awacs_softc *sc = h;
982 #endif
983 
984 	switch (dip->index) {
985 
986 	case AWACS_OUTPUT_SELECT:
987 		dip->mixer_class = AWACS_OUTPUT_CLASS;
988 		strcpy(dip->label.name, AudioNoutput);
989 		dip->type = AUDIO_MIXER_SET;
990 		dip->prev = dip->next = AUDIO_MIXER_LAST;
991 		dip->un.s.num_mem = 2;
992 		strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
993 		dip->un.s.member[0].mask = 1 << 0;
994 		strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
995 		dip->un.s.member[1].mask = 1 << 1;
996 		return 0;
997 
998 	case AWACS_VOL_MASTER:
999 		dip->mixer_class = AWACS_OUTPUT_CLASS;
1000 		strcpy(dip->label.name, AudioNmaster);
1001 		dip->type = AUDIO_MIXER_VALUE;
1002 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1003 		dip->un.v.num_channels = 2;
1004 		dip->un.v.delta = 16;
1005 		strcpy(dip->un.v.units.name, AudioNvolume);
1006 		return 0;
1007 
1008 	case AWACS_VOL_MONITOR:
1009 		dip->mixer_class = AWACS_MONITOR_CLASS;
1010 		strcpy(dip->label.name, AudioNmonitor);
1011 		dip->type = AUDIO_MIXER_VALUE;
1012 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1013 		dip->un.v.num_channels = 2;
1014 		strcpy(dip->un.v.units.name, AudioNvolume);
1015 		return 0;
1016 
1017 #if NSGSMIX > 0
1018 	case AWACS_BASS:
1019 		if (sc->sc_sgsmix == NULL)
1020 			return ENXIO;
1021 		dip->mixer_class = AWACS_OUTPUT_CLASS;
1022 		strcpy(dip->label.name, AudioNbass);
1023 		dip->type = AUDIO_MIXER_VALUE;
1024 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1025 		dip->un.v.num_channels = 1;
1026 		strcpy(dip->un.v.units.name, AudioNbass);
1027 		return 0;
1028 
1029 	case AWACS_TREBLE:
1030 		if (sc->sc_sgsmix == NULL)
1031 			return ENXIO;
1032 		dip->mixer_class = AWACS_OUTPUT_CLASS;
1033 		strcpy(dip->label.name, AudioNtreble);
1034 		dip->type = AUDIO_MIXER_VALUE;
1035 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1036 		dip->un.v.num_channels = 1;
1037 		strcpy(dip->un.v.units.name, AudioNtreble);
1038 		return 0;
1039 #endif
1040 
1041 	case AWACS_INPUT_SELECT:
1042 		dip->mixer_class = AWACS_RECORD_CLASS;
1043 		strcpy(dip->label.name, AudioNsource);
1044 		dip->type = AUDIO_MIXER_SET;
1045 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1046 		dip->un.s.num_mem = 3;
1047 		strcpy(dip->un.s.member[0].label.name, AudioNcd);
1048 		dip->un.s.member[0].mask = 1 << 0;
1049 		strcpy(dip->un.s.member[1].label.name, AudioNmicrophone);
1050 		dip->un.s.member[1].mask = 1 << 1;
1051 		strcpy(dip->un.s.member[2].label.name, AudioNline);
1052 		dip->un.s.member[2].mask = 1 << 2;
1053 		return 0;
1054 
1055 	case AWACS_VOL_INPUT:
1056 		dip->mixer_class = AWACS_RECORD_CLASS;
1057 		strcpy(dip->label.name, AudioNrecord);
1058 		dip->type = AUDIO_MIXER_VALUE;
1059 		dip->prev = dip->next = AUDIO_MIXER_LAST;
1060 		dip->un.v.num_channels = 2;
1061 		strcpy(dip->un.v.units.name, AudioNvolume);
1062 		return 0;
1063 
1064 	case AWACS_MONITOR_CLASS:
1065 		dip->mixer_class = AWACS_MONITOR_CLASS;
1066 		strcpy(dip->label.name, AudioCmonitor);
1067 		dip->type = AUDIO_MIXER_CLASS;
1068 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1069 		return 0;
1070 
1071 	case AWACS_OUTPUT_CLASS:
1072 		dip->mixer_class = AWACS_OUTPUT_CLASS;
1073 		strcpy(dip->label.name, AudioCoutputs);
1074 		dip->type = AUDIO_MIXER_CLASS;
1075 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1076 		return 0;
1077 
1078 	case AWACS_RECORD_CLASS:
1079 		dip->mixer_class = AWACS_RECORD_CLASS;
1080 		strcpy(dip->label.name, AudioCrecord);
1081 		dip->type = AUDIO_MIXER_CLASS;
1082 		dip->next = dip->prev = AUDIO_MIXER_LAST;
1083 		return 0;
1084 	}
1085 
1086 	return ENXIO;
1087 }
1088 
1089 static size_t
1090 awacs_round_buffersize(void *h, int dir, size_t size)
1091 {
1092 
1093 	if (size > 65536)
1094 		size = 65536;
1095 	return size;
1096 }
1097 
1098 static paddr_t
1099 awacs_mappage(void *h, void *mem, off_t off, int prot)
1100 {
1101 
1102 	if (off < 0)
1103 		return -1;
1104 	return -1;	/* XXX */
1105 }
1106 
1107 static int
1108 awacs_get_props(void *h)
1109 {
1110 	return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
1111 }
1112 
1113 static int
1114 awacs_trigger_output(void *h, void *start, void *end, int bsize,
1115 		     void (*intr)(void *), void *arg,
1116 		     const audio_params_t *param)
1117 {
1118 	struct awacs_softc *sc;
1119 	struct dbdma_command *cmd;
1120 	vaddr_t va;
1121 	int i, len, intmode;
1122 
1123 	DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
1124 	sc = h;
1125 	cmd = sc->sc_odmacmd;
1126 	sc->sc_ointr = intr;
1127 	sc->sc_oarg = arg;
1128 	sc->sc_opages = ((char *)end - (char *)start) / PAGE_SIZE;
1129 
1130 #ifdef DIAGNOSTIC
1131 	if (sc->sc_opages > 16)
1132 		panic("awacs_trigger_output");
1133 #endif
1134 
1135 	va = (vaddr_t)start;
1136 	len = 0;
1137 	for (i = sc->sc_opages; i > 0; i--) {
1138 		len += PAGE_SIZE;
1139 		if (len < bsize)
1140 			intmode = DBDMA_INT_NEVER;
1141 		else {
1142 			len = 0;
1143 			intmode = DBDMA_INT_ALWAYS;
1144 		}
1145 
1146 		DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, PAGE_SIZE, vtophys(va),
1147 			intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
1148 		va += PAGE_SIZE;
1149 		cmd++;
1150 	}
1151 
1152 	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
1153 		DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
1154 	out32rb(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
1155 
1156 	dbdma_start(sc->sc_odma, sc->sc_odmacmd);
1157 
1158 	return 0;
1159 }
1160 
1161 static int
1162 awacs_trigger_input(void *h, void *start, void *end, int bsize,
1163 		    void (*intr)(void *), void *arg,
1164 		    const audio_params_t *param)
1165 {
1166 
1167 	DPRINTF("awacs_trigger_input called\n");
1168 	return 1;
1169 }
1170 
1171 static void
1172 awacs_get_locks(void *opaque, kmutex_t **intr, kmutex_t **thread)
1173 {
1174 	struct awacs_softc *sc = opaque;
1175 
1176 	*intr = &sc->sc_intr_lock;
1177 	*thread = &sc->sc_lock;
1178 }
1179 
1180 static void
1181 awacs_select_output(struct awacs_softc *sc, int mask)
1182 {
1183 
1184 #if NSGSMIX > 0
1185 	if (sc->sc_sgsmix) {
1186 		if (mask & OUTPUT_HEADPHONES) {
1187 			/* mute speakers */
1188 			sgsmix_set_speaker_vol(sc->sc_sgsmix, 0, 0);
1189 			sgsmix_set_headphone_vol(sc->sc_sgsmix,
1190 			    sc->vol_l, sc->vol_r);
1191 		}
1192 		if (mask & OUTPUT_SPEAKER) {
1193 			/* mute headphones */
1194 			sgsmix_set_speaker_vol(sc->sc_sgsmix,
1195 			    sc->vol_l, sc->vol_r);
1196 			sgsmix_set_headphone_vol(sc->sc_sgsmix, 0, 0);
1197 		}
1198 	} else {
1199 #endif
1200 	sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER | AWACS_MUTE_HEADPHONE;
1201 	if ((sc->vol_l > 0) || (sc->vol_r > 0)) {
1202 		if (mask & OUTPUT_SPEAKER)
1203 			sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
1204 		if (mask & OUTPUT_HEADPHONES)
1205 			sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE;
1206 	}
1207 	awacs_write_codec(sc, sc->sc_codecctl1);
1208 #if NSGSMIX > 0
1209 	}
1210 #endif
1211 	sc->sc_output_mask = mask;
1212 }
1213 
1214 static void
1215 awacs_set_speaker_volume(struct awacs_softc *sc, int left, int right)
1216 {
1217 
1218 #if NSGSMIX > 0
1219 	if (sc->sc_sgsmix) {
1220 		if (sc->sc_output_mask & OUTPUT_SPEAKER)
1221 			sgsmix_set_speaker_vol(sc->sc_sgsmix, left, right);
1222 	} else
1223 #endif
1224 	{
1225 		int lval;
1226 		int rval;
1227 		uint32_t codecctl = sc->sc_codecctl1;
1228 
1229 		lval = 15 - ((left  & 0xf0) >> 4);
1230 		rval = 15 - ((right & 0xf0) >> 4);
1231 		DPRINTF("speaker_volume %d %d\n", lval, rval);
1232 
1233 		sc->sc_codecctl4 &= ~0x3cf;
1234 		sc->sc_codecctl4 |= (lval << 6) | rval;
1235 		awacs_write_codec(sc, sc->sc_codecctl4);
1236 		if ((left == 0) && (right == 0)) {
1237 			/*
1238 			 * max. attenuation doesn't mean silence so we need to
1239 			 * mute the output channel here
1240 			 */
1241 			codecctl |= AWACS_MUTE_SPEAKER;
1242 		} else if (sc->sc_output_mask & OUTPUT_SPEAKER) {
1243 			codecctl &= ~AWACS_MUTE_SPEAKER;
1244 		}
1245 
1246 		if (codecctl != sc->sc_codecctl1) {
1247 
1248 			sc->sc_codecctl1 = codecctl;
1249 			awacs_write_codec(sc, sc->sc_codecctl1);
1250 		}
1251 	}
1252 }
1253 
1254 static void
1255 awacs_set_ext_volume(struct awacs_softc *sc, int left, int right)
1256 {
1257 
1258 #if NSGSMIX > 0
1259 	if (sc->sc_sgsmix) {
1260 		if (sc->sc_output_mask & OUTPUT_HEADPHONES)
1261 			sgsmix_set_headphone_vol(sc->sc_sgsmix, left, right);
1262 	} else
1263 #endif
1264 	{
1265 		int lval;
1266 		int rval;
1267 		uint32_t codecctl = sc->sc_codecctl1;
1268 
1269 		lval = 15 - ((left  & 0xf0) >> 4);
1270 		rval = 15 - ((right & 0xf0) >> 4);
1271 		DPRINTF("ext_volume %d %d\n", lval, rval);
1272 
1273 		sc->sc_codecctl2 &= ~0x3cf;
1274 		sc->sc_codecctl2 |= (lval << 6) | rval;
1275 		awacs_write_codec(sc, sc->sc_codecctl2);
1276 
1277 		if ((left == 0) && (right == 0)) {
1278 			/*
1279 			 * max. attenuation doesn't mean silence so we need to
1280 			 * mute the output channel here
1281 			 */
1282 			codecctl |= AWACS_MUTE_HEADPHONE;
1283 		} else if (sc->sc_output_mask & OUTPUT_HEADPHONES) {
1284 
1285 			codecctl &= ~AWACS_MUTE_HEADPHONE;
1286 		}
1287 
1288 		if (codecctl != sc->sc_codecctl1) {
1289 
1290 			sc->sc_codecctl1 = codecctl;
1291 			awacs_write_codec(sc, sc->sc_codecctl1);
1292 		}
1293 	}
1294 }
1295 
1296 void
1297 awacs_set_volume(struct awacs_softc *sc, int left, int right)
1298 {
1299 
1300 	awacs_set_ext_volume(sc, left, right);
1301 	awacs_set_speaker_volume(sc, left, right);
1302 
1303 	sc->vol_l = left;
1304 	sc->vol_r = right;
1305 }
1306 
1307 #if NSGSMIX > 0
1308 static void
1309 awacs_set_bass(struct awacs_softc *sc, int bass)
1310 {
1311 
1312 	if (sc->sc_bass == bass)
1313 		return;
1314 
1315 	sc->sc_bass = bass;
1316 	if (sc->sc_sgsmix)
1317 		sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass,
1318 		    sc->sc_treble);
1319 }
1320 
1321 static void
1322 awacs_set_treble(struct awacs_softc *sc, int treble)
1323 {
1324 
1325 	if (sc->sc_treble == treble)
1326 		return;
1327 
1328 	sc->sc_treble = treble;
1329 	if (sc->sc_sgsmix)
1330 		sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass,
1331 		    sc->sc_treble);
1332 }
1333 #endif
1334 
1335 void
1336 awacs_set_loopthrough_volume(struct awacs_softc *sc, int left, int right)
1337 {
1338 	int lval;
1339 	int rval;
1340 
1341 	lval = 15 - ((left  & 0xff) >> 4);
1342 	rval = 15 - ((right & 0xff) >> 4);
1343 	DPRINTF("loopthrough_volume %d %d\n", lval, rval);
1344 
1345 	sc->sc_codecctl5 &= ~0x3cf;
1346 	sc->sc_codecctl5 |= (lval << 6) | rval;
1347 	awacs_write_codec(sc, sc->sc_codecctl5);
1348 }
1349 
1350 int
1351 awacs_set_rate(struct awacs_softc *sc, const audio_params_t *p)
1352 {
1353 	int c;
1354 
1355 	switch (p->sample_rate) {
1356 	case 44100:
1357 		c = AWACS_RATE_44100;
1358 		break;
1359 	case 29400:
1360 		c = AWACS_RATE_29400;
1361 		break;
1362 	case 22050:
1363 		c = AWACS_RATE_22050;
1364 		break;
1365 	case 17640:
1366 		c = AWACS_RATE_17640;
1367 		break;
1368 	case 14700:
1369 		c = AWACS_RATE_14700;
1370 		break;
1371 	case 11025:
1372 		c = AWACS_RATE_11025;
1373 		break;
1374 	case 8820:
1375 		c = AWACS_RATE_8820;
1376 		break;
1377 	case 7350:
1378 		c = AWACS_RATE_7350;
1379 		break;
1380 	default:
1381 		return -1;
1382 	}
1383 
1384 	sc->sc_soundctl &= ~AWACS_RATE_MASK;
1385 	sc->sc_soundctl |= c;
1386 	awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
1387 
1388 	return 0;
1389 }
1390 
1391 static int
1392 awacs_check_headphones(struct awacs_softc *sc)
1393 {
1394 	uint32_t reg;
1395 	reg = awacs_read_reg(sc, AWACS_CODEC_STATUS);
1396 	DPRINTF("%s: codec status reg %08x\n", device_xname(sc->sc_dev), reg);
1397 	return ((reg & sc->sc_headphones_mask) == sc->sc_headphones_in);
1398 }
1399 
1400 static int
1401 awacs_status_intr(void *cookie)
1402 {
1403 	struct awacs_softc *sc = cookie;
1404 	int mask;
1405 
1406 	mutex_spin_enter(&sc->sc_intr_lock);
1407 	mask = awacs_check_headphones(sc) ? OUTPUT_HEADPHONES : OUTPUT_SPEAKER;
1408 	if (mask != sc->sc_output_mask) {
1409 
1410 		sc->sc_output_wanted = mask;
1411 		cv_signal(&sc->sc_event);
1412 	}
1413 	/* clear the interrupt */
1414 	awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl | AWACS_PORTCHG);
1415 	mutex_spin_exit(&sc->sc_intr_lock);
1416 	return 1;
1417 }
1418 
1419 static void
1420 awacs_thread(void *cookie)
1421 {
1422 	struct awacs_softc *sc = cookie;
1423 
1424 	mutex_enter(&sc->sc_intr_lock);
1425 	while (1) {
1426 		cv_timedwait(&sc->sc_event, &sc->sc_intr_lock, hz);
1427 		if (sc->sc_output_wanted == sc->sc_output_mask)
1428 			continue;
1429 
1430 		awacs_select_output(sc, sc->sc_output_wanted);
1431 		DPRINTF("%s: switching to %s\n", device_xname(sc->sc_dev),
1432 		    (sc->sc_output_wanted & OUTPUT_SPEAKER) ?
1433 		    "speaker" : "headphones");
1434 	}
1435 }
1436