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[netbsd-mini2440.git] / sys / arch / macppc / dev / awacs.c
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1 /* $NetBSD: awacs.c,v 1.35 2008/08/27 14:31:46 jmcneill Exp $ */
3 /*-
4 * Copyright (c) 2000 Tsubai Masanari. All rights reserved.
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.
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.
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: awacs.c,v 1.35 2008/08/27 14:31:46 jmcneill Exp $");
32 #include <sys/param.h>
33 #include <sys/audioio.h>
34 #include <sys/device.h>
35 #include <sys/malloc.h>
36 #include <sys/systm.h>
37 #include <sys/kthread.h>
38 #include <sys/kernel.h>
40 #include <dev/auconv.h>
41 #include <dev/audio_if.h>
42 #include <dev/mulaw.h>
44 #include <uvm/uvm_extern.h>
46 #include <machine/autoconf.h>
47 #include <machine/pio.h>
49 #include <dev/ofw/openfirm.h>
50 #include <macppc/dev/dbdma.h>
52 #include <dev/i2c/sgsmixvar.h>
53 #include "sgsmix.h"
54 #include "opt_awacs.h"
56 #ifdef AWACS_DEBUG
57 # define DPRINTF printf
58 #else
59 # define DPRINTF while (0) printf
60 #endif
62 /* sc_flags values */
63 #define AWACS_CAP_BSWAP 0x0001
65 struct awacs_softc {
66 device_t sc_dev;
67 int sc_flags;
69 void (*sc_ointr)(void *); /* DMA completion intr handler */
70 void *sc_oarg; /* arg for sc_ointr() */
71 int sc_opages; /* # of output pages */
73 void (*sc_iintr)(void *); /* DMA completion intr handler */
74 void *sc_iarg; /* arg for sc_iintr() */
76 uint32_t sc_record_source; /* recording source mask */
77 uint32_t sc_output_mask; /* output mask */
78 uint32_t sc_headphones_mask; /* which reading of the gpio means */
79 uint32_t sc_headphones_in; /* headphones are present */
81 int sc_screamer;
82 int sc_have_perch;
83 int vol_l, vol_r;
84 int sc_bass, sc_treble;
85 lwp_t *sc_thread;
86 int sc_event;
87 int sc_output_wanted;
88 int sc_need_parallel_output;
89 #if NSGSMIX > 0
90 device_t sc_sgsmix;
91 #endif
93 char *sc_reg;
94 u_int sc_codecctl0;
95 u_int sc_codecctl1;
96 u_int sc_codecctl2;
97 u_int sc_codecctl4;
98 u_int sc_codecctl5;
99 u_int sc_codecctl6;
100 u_int sc_codecctl7;
101 u_int sc_soundctl;
103 struct dbdma_regmap *sc_odma;
104 struct dbdma_regmap *sc_idma;
105 struct dbdma_command *sc_odmacmd;
106 struct dbdma_command *sc_idmacmd;
108 #define AWACS_NFORMATS 2
109 struct audio_format sc_formats[AWACS_NFORMATS];
112 static int awacs_match(device_t, struct cfdata *, void *);
113 static void awacs_attach(device_t, device_t, void *);
114 static int awacs_intr(void *);
115 static int awacs_status_intr(void *);
117 static void awacs_close(void *);
118 static int awacs_query_encoding(void *, struct audio_encoding *);
119 static int awacs_set_params(void *, int, int, audio_params_t *, audio_params_t *,
120 stream_filter_list_t *, stream_filter_list_t *);
122 static int awacs_round_blocksize(void *, int, int, const audio_params_t *);
123 static int awacs_trigger_output(void *, void *, void *, int, void (*)(void *),
124 void *, const audio_params_t *);
125 static int awacs_trigger_input(void *, void *, void *, int, void (*)(void *),
126 void *, const audio_params_t *);
127 static int awacs_halt_output(void *);
128 static int awacs_halt_input(void *);
129 static int awacs_getdev(void *, struct audio_device *);
130 static int awacs_set_port(void *, mixer_ctrl_t *);
131 static int awacs_get_port(void *, mixer_ctrl_t *);
132 static int awacs_query_devinfo(void *, mixer_devinfo_t *);
133 static size_t awacs_round_buffersize(void *, int, size_t);
134 static paddr_t awacs_mappage(void *, void *, off_t, int);
135 static int awacs_get_props(void *);
137 static inline u_int awacs_read_reg(struct awacs_softc *, int);
138 static inline void awacs_write_reg(struct awacs_softc *, int, int);
139 static void awacs_write_codec(struct awacs_softc *, int);
141 void awacs_set_volume(struct awacs_softc *, int, int);
142 static void awacs_set_speaker_volume(struct awacs_softc *, int, int);
143 static void awacs_set_ext_volume(struct awacs_softc *, int, int);
144 static void awacs_set_loopthrough_volume(struct awacs_softc *, int, int);
145 static int awacs_set_rate(struct awacs_softc *, const audio_params_t *);
146 static void awacs_select_output(struct awacs_softc *, int);
147 static int awacs_check_headphones(struct awacs_softc *);
148 static void awacs_thread(void *);
150 #if NSGSMIX > 0
151 static void awacs_set_bass(struct awacs_softc *, int);
152 static void awacs_set_treble(struct awacs_softc *, int);
153 #endif
154 static int awacs_setup_sgsmix(device_t);
156 CFATTACH_DECL_NEW(awacs, sizeof(struct awacs_softc),
157 awacs_match, awacs_attach, NULL, NULL);
159 const struct audio_hw_if awacs_hw_if = {
160 NULL, /* open */
161 awacs_close,
162 NULL,
163 awacs_query_encoding,
164 awacs_set_params,
165 awacs_round_blocksize,
166 NULL,
167 NULL,
168 NULL,
169 NULL,
170 NULL,
171 awacs_halt_output,
172 awacs_halt_input,
173 NULL,
174 awacs_getdev,
175 NULL,
176 awacs_set_port,
177 awacs_get_port,
178 awacs_query_devinfo,
179 NULL,
180 NULL,
181 awacs_round_buffersize,
182 awacs_mappage,
183 awacs_get_props,
184 awacs_trigger_output,
185 awacs_trigger_input,
186 NULL,
189 struct audio_device awacs_device = {
190 "AWACS",
192 "awacs"
195 #define AWACS_NFORMATS 2
196 #define AWACS_FORMATS_LE 0
197 static const struct audio_format awacs_formats[AWACS_NFORMATS] = {
198 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
199 2, AUFMT_STEREO, 8,
200 {7350, 8820, 11025, 14700, 17640, 22050, 29400, 44100}},
201 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 16, 16,
202 2, AUFMT_STEREO, 8,
203 {7350, 8820, 11025, 14700, 17640, 22050, 29400, 44100}},
206 /* register offset */
207 #define AWACS_SOUND_CTRL 0x00
208 #define AWACS_CODEC_CTRL 0x10
209 #define AWACS_CODEC_STATUS 0x20
210 #define AWACS_CLIP_COUNT 0x30
211 #define AWACS_BYTE_SWAP 0x40
213 /* sound control */
214 #define AWACS_INPUT_SUBFRAME0 0x00000001
215 #define AWACS_INPUT_SUBFRAME1 0x00000002
216 #define AWACS_INPUT_SUBFRAME2 0x00000004
217 #define AWACS_INPUT_SUBFRAME3 0x00000008
219 #define AWACS_OUTPUT_SUBFRAME0 0x00000010
220 #define AWACS_OUTPUT_SUBFRAME1 0x00000020
221 #define AWACS_OUTPUT_SUBFRAME2 0x00000040
222 #define AWACS_OUTPUT_SUBFRAME3 0x00000080
224 #define AWACS_RATE_44100 0x00000000
225 #define AWACS_RATE_29400 0x00000100
226 #define AWACS_RATE_22050 0x00000200
227 #define AWACS_RATE_17640 0x00000300
228 #define AWACS_RATE_14700 0x00000400
229 #define AWACS_RATE_11025 0x00000500
230 #define AWACS_RATE_8820 0x00000600
231 #define AWACS_RATE_7350 0x00000700
232 #define AWACS_RATE_MASK 0x00000700
234 #define AWACS_ERROR 0x00000800
235 #define AWACS_PORTCHG 0x00001000
236 #define AWACS_INTR_ERROR 0x00002000 /* interrupt on error */
237 #define AWACS_INTR_PORTCHG 0x00004000 /* interrupt on port change */
239 #define AWACS_STATUS_SUBFRAME 0x00018000 /* mask */
241 /* codec control */
242 #define AWACS_CODEC_ADDR0 0x00000000
243 #define AWACS_CODEC_ADDR1 0x00001000
244 #define AWACS_CODEC_ADDR2 0x00002000
245 #define AWACS_CODEC_ADDR4 0x00004000
246 #define AWACS_CODEC_ADDR5 0x00005000
247 #define AWACS_CODEC_ADDR6 0x00006000
248 #define AWACS_CODEC_ADDR7 0x00007000
249 #define AWACS_CODEC_EMSEL0 0x00000000
250 #define AWACS_CODEC_EMSEL1 0x00400000
251 #define AWACS_CODEC_EMSEL2 0x00800000
252 #define AWACS_CODEC_EMSEL4 0x00c00000
253 #define AWACS_CODEC_BUSY 0x01000000
255 /* cc0 */
256 #define AWACS_DEFAULT_CD_GAIN 0x000000bb
257 #define AWACS_INPUT_CD 0x00000200
258 #define AWACS_INPUT_LINE 0x00000400
259 #define AWACS_INPUT_MICROPHONE 0x00000800
260 #define AWACS_INPUT_MASK 0x00000e00
262 /* cc1 */
263 #define AWACS_LOOP_THROUGH 0x00000040
264 #define AWACS_MUTE_SPEAKER 0x00000080
265 #define AWACS_MUTE_HEADPHONE 0x00000200
266 #define AWACS_PARALLEL_OUTPUT 0x00000c00
268 /* output */
269 #define OUTPUT_SPEAKER 1
270 #define OUTPUT_HEADPHONES 2
272 /* codec status */
274 static const char *screamer[] = {"screamer", NULL};
277 * list machines that have the headphone detect GPIO reversed here.
278 * so far the only known case is the PowerBook 3400c and similar machines
280 static const char *detect_reversed[] = {"AAPL,3400/2400",
281 "AAPL,3500",
282 NULL};
284 static const char *use_gpio4[] = { "PowerMac3,3",
285 NULL};
288 * list of machines that do not require AWACS_PARALLEL_OUTPUT
290 static const char *no_parallel_output[] = { "PowerBook3,1",
291 NULL};
293 static int
294 awacs_match(device_t parent, struct cfdata *match, void *aux)
296 struct confargs *ca;
298 ca = aux;
300 if (strcmp(ca->ca_name, "awacs") == 0 ||
301 strcmp(ca->ca_name, "davbus") == 0)
302 return 100;
304 if (ca->ca_nreg < 24 || ca->ca_nintr < 12)
305 return 0;
307 if (strcmp(ca->ca_name, "i2s") == 0)
308 return 1;
310 return 0;
313 static void
314 awacs_attach(device_t parent, device_t self, void *aux)
316 struct awacs_softc *sc;
317 struct confargs *ca;
318 int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type;
319 int len = -1, perch;
320 int root_node;
321 char compat[256];
323 sc = device_private(self);
324 sc->sc_dev = self;
325 ca = aux;
327 sc->sc_reg = mapiodev(ca->ca_baseaddr + ca->ca_reg[0], ca->ca_reg[1]);
329 /* out */
330 sc->sc_odma = mapiodev(ca->ca_baseaddr + ca->ca_reg[2], ca->ca_reg[3]);
331 sc->sc_odmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
332 /* in */
333 sc->sc_idma = mapiodev(ca->ca_baseaddr + ca->ca_reg[4], ca->ca_reg[5]);
334 sc->sc_idmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
336 if (strcmp(ca->ca_name, "i2s") == 0) {
337 int node, intr[6];
339 node = OF_child(ca->ca_node);
340 if (node == 0) {
341 printf("no i2s-a child\n");
342 return;
344 if (OF_getprop(node, "interrupts", intr, sizeof(intr)) == -1) {
345 printf("no interrupt property\n");
346 return;
349 cirq = intr[0];
350 oirq = intr[2];
351 iirq = intr[4];
352 cirq_type = intr[1] ? IST_LEVEL : IST_EDGE;
353 oirq_type = intr[3] ? IST_LEVEL : IST_EDGE;
354 iirq_type = intr[5] ? IST_LEVEL : IST_EDGE;
355 } else if (ca->ca_nintr == 24) {
356 cirq = ca->ca_intr[0];
357 oirq = ca->ca_intr[2];
358 iirq = ca->ca_intr[4];
359 cirq_type = ca->ca_intr[1] ? IST_LEVEL : IST_EDGE;
360 oirq_type = ca->ca_intr[3] ? IST_LEVEL : IST_EDGE;
361 iirq_type = ca->ca_intr[5] ? IST_LEVEL : IST_EDGE;
362 } else {
363 cirq = ca->ca_intr[0];
364 oirq = ca->ca_intr[1];
365 iirq = ca->ca_intr[2];
366 cirq_type = oirq_type = iirq_type = IST_EDGE;
369 intr_establish(cirq, cirq_type, IPL_BIO, awacs_status_intr, sc);
370 intr_establish(oirq, oirq_type, IPL_AUDIO, awacs_intr, sc);
371 intr_establish(iirq, iirq_type, IPL_AUDIO, awacs_intr, sc);
373 /* check if the chip is a screamer */
374 sc->sc_screamer = (of_compatible(ca->ca_node, screamer) != -1);
375 if (!sc->sc_screamer) {
376 /* look for 'sound' child node */
377 int sound_node;
379 sound_node = OF_child(ca->ca_node);
380 while ((sound_node != 0) && (!sc->sc_screamer)) {
382 sc->sc_screamer =
383 (of_compatible(sound_node, screamer) != -1);
384 sound_node = OF_peer(sound_node);
388 if (sc->sc_screamer) {
389 printf(" Screamer");
392 printf(": irq %d,%d,%d\n", cirq, oirq, iirq);
394 sc->vol_l = 0;
395 sc->vol_r = 0;
397 memcpy(&sc->sc_formats, awacs_formats, sizeof(awacs_formats));
399 /* XXX Uni-North based models don't have byteswap capability. */
400 if (OF_finddevice("/uni-n") == -1) {
402 sc->sc_flags |= AWACS_CAP_BSWAP;
403 } else {
405 AUFMT_INVALIDATE(&sc->sc_formats[AWACS_FORMATS_LE]);
408 sc->sc_soundctl = AWACS_INPUT_SUBFRAME0 | AWACS_OUTPUT_SUBFRAME0 |
409 AWACS_RATE_44100 | AWACS_INTR_PORTCHG;
410 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
412 sc->sc_codecctl0 = AWACS_CODEC_ADDR0 | AWACS_CODEC_EMSEL0;
413 sc->sc_codecctl1 = AWACS_CODEC_ADDR1 | AWACS_CODEC_EMSEL0;
414 sc->sc_codecctl2 = AWACS_CODEC_ADDR2 | AWACS_CODEC_EMSEL0;
415 sc->sc_codecctl4 = AWACS_CODEC_ADDR4 | AWACS_CODEC_EMSEL0;
416 sc->sc_codecctl5 = AWACS_CODEC_ADDR5 | AWACS_CODEC_EMSEL0;
417 sc->sc_codecctl6 = AWACS_CODEC_ADDR6 | AWACS_CODEC_EMSEL0;
418 sc->sc_codecctl7 = AWACS_CODEC_ADDR7 | AWACS_CODEC_EMSEL0;
420 sc->sc_codecctl0 |= AWACS_INPUT_CD | AWACS_DEFAULT_CD_GAIN;
421 awacs_write_codec(sc, sc->sc_codecctl0);
423 /* Set loopthrough for external mixer on beige G3 */
424 sc->sc_codecctl1 |= AWACS_LOOP_THROUGH;
426 printf("%s: ", device_xname(sc->sc_dev));
429 * all(?) awacs have GPIOs to detect if there's something plugged into
430 * the headphone jack. The other GPIOs are either used for other jacks
431 * ( the PB3400c's microphone jack for instance ) or unused.
432 * The problem is that there are at least three different ways how
433 * those GPIOs are wired to the actual jacks.
434 * For now we bother only with headphone detection
436 perch = OF_finddevice("/perch");
437 root_node = OF_finddevice("/");
438 if (of_compatible(root_node, detect_reversed) != -1) {
440 /* 0x02 is for the microphone jack, high active */
442 * for some reason the gpio for the headphones jack is low
443 * active on the PB3400 and similar machines
445 sc->sc_headphones_mask = 0x8;
446 sc->sc_headphones_in = 0x0;
447 } else if ((perch != -1) ||
448 (of_compatible(root_node, use_gpio4) != -1)) {
450 * this is for the beige G3's 'personality card' which uses
451 * yet another wiring of the headphone detect GPIOs
452 * some G4s use it as well
454 sc->sc_headphones_mask = 0x04;
455 sc->sc_headphones_in = 0x04;
456 } else {
457 /* while on most machines it's high active as well */
458 sc->sc_headphones_mask = 0x8;
459 sc->sc_headphones_in = 0x8;
462 if (of_compatible(root_node, no_parallel_output) != -1)
463 sc->sc_need_parallel_output = 0;
464 else {
465 sc->sc_need_parallel_output = 1;
466 sc->sc_codecctl1 |= AWACS_PARALLEL_OUTPUT;
469 if (awacs_check_headphones(sc)) {
471 /* default output to headphones */
472 printf("headphones\n");
473 sc->sc_output_mask = OUTPUT_HEADPHONES;
474 } else {
476 /* default output to speakers */
477 printf("speaker\n");
478 sc->sc_output_mask = OUTPUT_SPEAKER;
480 sc->sc_output_wanted = sc->sc_output_mask;
481 awacs_select_output(sc, sc->sc_output_mask);
483 delay(100);
484 if (sc->sc_screamer) {
485 awacs_write_codec(sc, sc->sc_codecctl6);
486 awacs_write_codec(sc, sc->sc_codecctl5);
487 delay(2);
488 awacs_write_codec(sc, sc->sc_codecctl1);
489 awacs_write_codec(sc, sc->sc_codecctl7);
492 /* default input from CD */
493 sc->sc_record_source = 1 << 0;
494 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
495 sc->sc_codecctl0 |= AWACS_INPUT_CD;
496 awacs_write_codec(sc, sc->sc_codecctl0);
498 /* Enable interrupts and looping mode. */
499 /* XXX ... */
501 sc->sc_codecctl1 |= AWACS_LOOP_THROUGH;
502 if (sc->sc_need_parallel_output)
503 sc->sc_codecctl1 |= AWACS_PARALLEL_OUTPUT;
504 awacs_write_codec(sc, sc->sc_codecctl1);
506 #if NSGSMIX > 0
507 sc->sc_sgsmix = NULL;
508 #endif
509 sc->sc_have_perch = 0;
510 if (perch != -1) {
512 len = OF_getprop(perch, "compatible", compat, 255);
513 if (len > 0) {
514 printf("%s: found '%s' personality card\n",
515 device_xname(sc->sc_dev), compat);
516 sc->sc_have_perch = 1;
517 config_finalize_register(sc->sc_dev,
518 awacs_setup_sgsmix);
522 /* Set initial volume[s] */
523 awacs_set_volume(sc, 144, 144);
524 awacs_set_loopthrough_volume(sc, 0, 0);
526 audio_attach_mi(&awacs_hw_if, sc, sc->sc_dev);
528 if (kthread_create(PRI_NONE, 0, NULL, awacs_thread, sc,
529 &sc->sc_thread, "%s", "awacs") != 0) {
530 printf("awacs: unable to create event kthread");
534 static int
535 awacs_setup_sgsmix(device_t cookie)
537 struct awacs_softc *sc = device_private(cookie);
538 #if NSGSMIX > 0
539 device_t dv;
540 deviter_t di;
541 #endif
543 if (!sc->sc_have_perch)
544 return 0;
545 #if NSGSMIX > 0
546 /* look for sgsmix */
547 for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST);
548 dv != NULL;
549 dv = deviter_next(&di)) {
550 if (device_is_a(dv, "sgsmix")) {
551 sc->sc_sgsmix = dv;
552 break;
555 deviter_release(&di);
556 if (sc->sc_sgsmix == NULL)
557 return 0;
559 printf("%s: using %s\n", device_xname(sc->sc_dev),
560 device_xname(sc->sc_sgsmix));
562 awacs_select_output(sc, sc->sc_output_mask);
563 awacs_set_volume(sc, sc->vol_l, sc->vol_r);
564 awacs_set_bass(sc, 128);
565 awacs_set_treble(sc, 128);
566 wakeup(&sc->sc_event);
567 #endif
568 return 0;
572 static inline u_int
573 awacs_read_reg(struct awacs_softc *sc, int reg)
575 char *addr;
577 addr = sc->sc_reg;
578 return in32rb(addr + reg);
581 static inline void
582 awacs_write_reg(struct awacs_softc *sc, int reg, int val)
584 char *addr;
586 addr = sc->sc_reg;
587 out32rb(addr + reg, val);
590 static void
591 awacs_write_codec(struct awacs_softc *sc, int value)
594 do {
595 delay(100);
596 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
598 awacs_write_reg(sc, AWACS_CODEC_CTRL, value);
600 do {
601 delay(100);
602 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
605 static int
606 awacs_intr(void *v)
608 struct awacs_softc *sc;
609 struct dbdma_command *cmd;
610 int count;
611 int status;
613 sc = v;
614 cmd = sc->sc_odmacmd;
615 count = sc->sc_opages;
616 /* Fill used buffer(s). */
617 while (count-- > 0) {
618 /* if DBDMA_INT_ALWAYS */
619 if (in16rb(&cmd->d_command) & 0x30) { /* XXX */
620 status = in16rb(&cmd->d_status);
621 cmd->d_status = 0;
622 if (status) /* status == 0x8400 */
623 if (sc->sc_ointr)
624 (*sc->sc_ointr)(sc->sc_oarg);
626 cmd++;
629 return 1;
633 * Close function is called at splaudio().
635 static void
636 awacs_close(void *h)
638 struct awacs_softc *sc;
640 sc = h;
641 awacs_halt_output(sc);
642 awacs_halt_input(sc);
644 sc->sc_ointr = 0;
645 sc->sc_iintr = 0;
648 static int
649 awacs_query_encoding(void *h, struct audio_encoding *ae)
651 struct awacs_softc *sc;
653 sc = h;
654 ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
656 switch (ae->index) {
657 case 0:
658 strcpy(ae->name, AudioEslinear);
659 ae->encoding = AUDIO_ENCODING_SLINEAR;
660 ae->precision = 16;
661 ae->flags = 0;
662 return 0;
663 case 1:
664 strcpy(ae->name, AudioEslinear_be);
665 ae->encoding = AUDIO_ENCODING_SLINEAR_BE;
666 ae->precision = 16;
667 ae->flags = 0;
668 return 0;
669 case 2:
670 strcpy(ae->name, AudioEslinear_le);
671 ae->encoding = AUDIO_ENCODING_SLINEAR_LE;
672 ae->precision = 16;
673 if (sc->sc_flags & AWACS_CAP_BSWAP)
674 ae->flags = 0;
675 return 0;
676 case 3:
677 strcpy(ae->name, AudioEulinear_be);
678 ae->encoding = AUDIO_ENCODING_ULINEAR_BE;
679 ae->precision = 16;
680 return 0;
681 case 4:
682 strcpy(ae->name, AudioEulinear_le);
683 ae->encoding = AUDIO_ENCODING_ULINEAR_LE;
684 ae->precision = 16;
685 return 0;
686 case 5:
687 strcpy(ae->name, AudioEmulaw);
688 ae->encoding = AUDIO_ENCODING_ULAW;
689 ae->precision = 8;
690 return 0;
691 case 6:
692 strcpy(ae->name, AudioEalaw);
693 ae->encoding = AUDIO_ENCODING_ALAW;
694 ae->precision = 8;
695 return 0;
696 default:
697 return EINVAL;
701 static int
702 awacs_set_params(void *h, int setmode, int usemode,
703 audio_params_t *play, audio_params_t *rec,
704 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
706 struct awacs_softc *sc;
707 audio_params_t *p;
708 stream_filter_list_t *fil;
709 int mode, i;
711 sc = h;
712 p = NULL;
714 * This device only has one clock, so make the sample rates match.
716 if (play->sample_rate != rec->sample_rate &&
717 usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
718 if (setmode == AUMODE_PLAY) {
719 rec->sample_rate = play->sample_rate;
720 setmode |= AUMODE_RECORD;
721 } else if (setmode == AUMODE_RECORD) {
722 play->sample_rate = rec->sample_rate;
723 setmode |= AUMODE_PLAY;
724 } else
725 return EINVAL;
728 for (mode = AUMODE_RECORD; mode != -1;
729 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
730 if ((setmode & mode) == 0)
731 continue;
733 p = mode == AUMODE_PLAY ? play : rec;
734 fil = mode == AUMODE_PLAY ? pfil : rfil;
735 switch (p->sample_rate) {
736 case 48000: /* aurateconv */
737 case 44100:
738 case 29400:
739 case 22050:
740 case 17640:
741 case 14700:
742 case 11025:
743 case 8820:
744 case 8000: /* aurateconv */
745 case 7350:
746 break;
747 default:
748 return EINVAL;
750 awacs_write_reg(sc, AWACS_BYTE_SWAP, 0);
751 i = auconv_set_converter(sc->sc_formats, AWACS_NFORMATS,
752 mode, p, true, fil);
753 if (i < 0)
754 return EINVAL;
755 if (i == AWACS_FORMATS_LE)
756 awacs_write_reg(sc, AWACS_BYTE_SWAP, 1);
757 if (fil->req_size > 0)
758 p = &fil->filters[0].param;
759 if (awacs_set_rate(sc, p))
760 return EINVAL;
762 return 0;
765 static int
766 awacs_round_blocksize(void *h, int size, int mode, const audio_params_t *param)
769 if (size < PAGE_SIZE)
770 size = PAGE_SIZE;
771 return size & ~PGOFSET;
774 static int
775 awacs_halt_output(void *h)
777 struct awacs_softc *sc;
779 sc = h;
780 dbdma_stop(sc->sc_odma);
781 dbdma_reset(sc->sc_odma);
782 return 0;
785 static int
786 awacs_halt_input(void *h)
788 struct awacs_softc *sc;
790 sc = h;
791 dbdma_stop(sc->sc_idma);
792 dbdma_reset(sc->sc_idma);
793 return 0;
796 static int
797 awacs_getdev(void *h, struct audio_device *retp)
800 *retp = awacs_device;
801 return 0;
804 enum {
805 AWACS_MONITOR_CLASS,
806 AWACS_OUTPUT_CLASS,
807 AWACS_RECORD_CLASS,
808 AWACS_OUTPUT_SELECT,
809 AWACS_VOL_MASTER,
810 AWACS_INPUT_SELECT,
811 AWACS_VOL_INPUT,
812 AWACS_VOL_MONITOR,
813 AWACS_BASS,
814 AWACS_TREBLE,
815 AWACS_ENUM_LAST
818 static int
819 awacs_set_port(void *h, mixer_ctrl_t *mc)
821 struct awacs_softc *sc;
822 int l, r;
824 DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type);
825 sc = h;
826 l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
827 r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
829 switch (mc->dev) {
830 case AWACS_OUTPUT_SELECT:
831 /* No change necessary? */
832 if (mc->un.mask == sc->sc_output_mask)
833 return 0;
834 awacs_select_output(sc, mc->un.mask);
835 return 0;
837 case AWACS_VOL_MASTER:
838 awacs_set_volume(sc, l, r);
839 return 0;
841 case AWACS_INPUT_SELECT:
842 /* no change necessary? */
843 if (mc->un.mask == sc->sc_record_source)
844 return 0;
845 switch (mc->un.mask) {
846 case 1 << 0: /* CD */
847 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
848 sc->sc_codecctl0 |= AWACS_INPUT_CD;
849 awacs_write_codec(sc, sc->sc_codecctl0);
850 break;
851 case 1 << 1: /* microphone */
852 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
853 sc->sc_codecctl0 |= AWACS_INPUT_MICROPHONE;
854 awacs_write_codec(sc, sc->sc_codecctl0);
855 break;
856 case 1 << 2: /* line in */
857 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
858 sc->sc_codecctl0 |= AWACS_INPUT_LINE;
859 awacs_write_codec(sc, sc->sc_codecctl0);
860 break;
861 default: /* invalid argument */
862 return EINVAL;
864 sc->sc_record_source = mc->un.mask;
865 return 0;
867 case AWACS_VOL_INPUT:
868 sc->sc_codecctl0 &= ~0xff;
869 sc->sc_codecctl0 |= (l & 0xf0) | (r >> 4);
870 awacs_write_codec(sc, sc->sc_codecctl0);
871 return 0;
873 case AWACS_VOL_MONITOR:
874 awacs_set_loopthrough_volume(sc, l, r);
875 return 0;
877 #if NSGSMIX > 0
878 case AWACS_BASS:
879 awacs_set_bass(sc, l);
880 return 0;
882 case AWACS_TREBLE:
883 awacs_set_treble(sc, l);
884 return 0;
885 #endif
888 return ENXIO;
891 static int
892 awacs_get_port(void *h, mixer_ctrl_t *mc)
894 struct awacs_softc *sc;
895 int l, r, vol;
897 sc = h;
898 switch (mc->dev) {
899 case AWACS_OUTPUT_SELECT:
900 mc->un.mask = sc->sc_output_mask;
901 return 0;
903 case AWACS_VOL_MASTER:
904 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->vol_l;
905 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->vol_r;
906 return 0;
908 case AWACS_INPUT_SELECT:
909 mc->un.mask = sc->sc_record_source;
910 return 0;
912 case AWACS_VOL_INPUT:
913 vol = sc->sc_codecctl0 & 0xff;
914 l = (vol & 0xf0);
915 r = (vol & 0x0f) << 4;
916 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
917 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
918 return 0;
920 case AWACS_VOL_MONITOR:
921 vol = sc->sc_codecctl5 & 0x3cf;
922 l = (vol & 0x3c0) >> 6;
923 r = vol & 0xf;
924 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = (15 - l) << 4;
925 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = (15 - r) << 4;
926 return 0;
928 #if NSGSMIX > 0
929 case AWACS_BASS:
930 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_bass;
931 return 0;
933 case AWACS_TREBLE:
934 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_treble;
935 return 0;
936 #endif
938 default:
939 return ENXIO;
942 return 0;
945 static int
946 awacs_query_devinfo(void *h, mixer_devinfo_t *dip)
948 #if NSGSMIX > 0
949 struct awacs_softc *sc = h;
950 #endif
952 switch (dip->index) {
954 case AWACS_OUTPUT_SELECT:
955 dip->mixer_class = AWACS_MONITOR_CLASS;
956 strcpy(dip->label.name, AudioNoutput);
957 dip->type = AUDIO_MIXER_SET;
958 dip->prev = dip->next = AUDIO_MIXER_LAST;
959 dip->un.s.num_mem = 2;
960 strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
961 dip->un.s.member[0].mask = 1 << 0;
962 strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
963 dip->un.s.member[1].mask = 1 << 1;
964 return 0;
966 case AWACS_VOL_MASTER:
967 dip->mixer_class = AWACS_MONITOR_CLASS;
968 strcpy(dip->label.name, AudioNmaster);
969 dip->type = AUDIO_MIXER_VALUE;
970 dip->prev = dip->next = AUDIO_MIXER_LAST;
971 dip->un.v.num_channels = 2;
972 strcpy(dip->un.v.units.name, AudioNvolume);
973 return 0;
975 case AWACS_VOL_MONITOR:
976 dip->mixer_class = AWACS_MONITOR_CLASS;
977 strcpy(dip->label.name, AudioNmonitor);
978 dip->type = AUDIO_MIXER_VALUE;
979 dip->prev = dip->next = AUDIO_MIXER_LAST;
980 dip->un.v.num_channels = 2;
981 strcpy(dip->un.v.units.name, AudioNvolume);
982 return 0;
984 #if NSGSMIX > 0
985 case AWACS_BASS:
986 if (sc->sc_sgsmix == NULL)
987 return ENXIO;
988 dip->mixer_class = AWACS_MONITOR_CLASS;
989 strcpy(dip->label.name, AudioNbass);
990 dip->type = AUDIO_MIXER_VALUE;
991 dip->prev = dip->next = AUDIO_MIXER_LAST;
992 dip->un.v.num_channels = 1;
993 strcpy(dip->un.v.units.name, AudioNbass);
994 return 0;
996 case AWACS_TREBLE:
997 if (sc->sc_sgsmix == NULL)
998 return ENXIO;
999 dip->mixer_class = AWACS_MONITOR_CLASS;
1000 strcpy(dip->label.name, AudioNtreble);
1001 dip->type = AUDIO_MIXER_VALUE;
1002 dip->prev = dip->next = AUDIO_MIXER_LAST;
1003 dip->un.v.num_channels = 1;
1004 strcpy(dip->un.v.units.name, AudioNtreble);
1005 return 0;
1006 #endif
1008 case AWACS_INPUT_SELECT:
1009 dip->mixer_class = AWACS_RECORD_CLASS;
1010 strcpy(dip->label.name, AudioNsource);
1011 dip->type = AUDIO_MIXER_SET;
1012 dip->prev = dip->next = AUDIO_MIXER_LAST;
1013 dip->un.s.num_mem = 3;
1014 strcpy(dip->un.s.member[0].label.name, AudioNcd);
1015 dip->un.s.member[0].mask = 1 << 0;
1016 strcpy(dip->un.s.member[1].label.name, AudioNmicrophone);
1017 dip->un.s.member[1].mask = 1 << 1;
1018 strcpy(dip->un.s.member[2].label.name, AudioNline);
1019 dip->un.s.member[2].mask = 1 << 2;
1020 return 0;
1022 case AWACS_VOL_INPUT:
1023 dip->mixer_class = AWACS_RECORD_CLASS;
1024 strcpy(dip->label.name, AudioNrecord);
1025 dip->type = AUDIO_MIXER_VALUE;
1026 dip->prev = dip->next = AUDIO_MIXER_LAST;
1027 dip->un.v.num_channels = 2;
1028 strcpy(dip->un.v.units.name, AudioNvolume);
1029 return 0;
1031 case AWACS_MONITOR_CLASS:
1032 dip->mixer_class = AWACS_MONITOR_CLASS;
1033 strcpy(dip->label.name, AudioCmonitor);
1034 dip->type = AUDIO_MIXER_CLASS;
1035 dip->next = dip->prev = AUDIO_MIXER_LAST;
1036 return 0;
1038 case AWACS_OUTPUT_CLASS:
1039 dip->mixer_class = AWACS_OUTPUT_CLASS;
1040 strcpy(dip->label.name, AudioCoutputs);
1041 dip->type = AUDIO_MIXER_CLASS;
1042 dip->next = dip->prev = AUDIO_MIXER_LAST;
1043 return 0;
1045 case AWACS_RECORD_CLASS:
1046 dip->mixer_class = AWACS_RECORD_CLASS;
1047 strcpy(dip->label.name, AudioCrecord);
1048 dip->type = AUDIO_MIXER_CLASS;
1049 dip->next = dip->prev = AUDIO_MIXER_LAST;
1050 return 0;
1053 return ENXIO;
1056 static size_t
1057 awacs_round_buffersize(void *h, int dir, size_t size)
1060 if (size > 65536)
1061 size = 65536;
1062 return size;
1065 static paddr_t
1066 awacs_mappage(void *h, void *mem, off_t off, int prot)
1069 if (off < 0)
1070 return -1;
1071 return -1; /* XXX */
1074 static int
1075 awacs_get_props(void *h)
1077 return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
1080 static int
1081 awacs_trigger_output(void *h, void *start, void *end, int bsize,
1082 void (*intr)(void *), void *arg,
1083 const audio_params_t *param)
1085 struct awacs_softc *sc;
1086 struct dbdma_command *cmd;
1087 vaddr_t va;
1088 int i, len, intmode;
1090 DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
1091 sc = h;
1092 cmd = sc->sc_odmacmd;
1093 sc->sc_ointr = intr;
1094 sc->sc_oarg = arg;
1095 sc->sc_opages = ((char *)end - (char *)start) / PAGE_SIZE;
1097 #ifdef DIAGNOSTIC
1098 if (sc->sc_opages > 16)
1099 panic("awacs_trigger_output");
1100 #endif
1102 va = (vaddr_t)start;
1103 len = 0;
1104 for (i = sc->sc_opages; i > 0; i--) {
1105 len += PAGE_SIZE;
1106 if (len < bsize)
1107 intmode = DBDMA_INT_NEVER;
1108 else {
1109 len = 0;
1110 intmode = DBDMA_INT_ALWAYS;
1113 DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, PAGE_SIZE, vtophys(va),
1114 intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
1115 va += PAGE_SIZE;
1116 cmd++;
1119 DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
1120 DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
1121 out32rb(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
1123 dbdma_start(sc->sc_odma, sc->sc_odmacmd);
1125 return 0;
1128 static int
1129 awacs_trigger_input(void *h, void *start, void *end, int bsize,
1130 void (*intr)(void *), void *arg,
1131 const audio_params_t *param)
1134 DPRINTF("awacs_trigger_input called\n");
1135 return 1;
1138 static void
1139 awacs_select_output(struct awacs_softc *sc, int mask)
1142 #if NSGSMIX > 0
1143 if (sc->sc_sgsmix) {
1144 if (mask & OUTPUT_HEADPHONES) {
1145 /* mute speakers */
1146 sgsmix_set_speaker_vol(sc->sc_sgsmix, 0, 0);
1147 sgsmix_set_headphone_vol(sc->sc_sgsmix,
1148 sc->vol_l, sc->vol_r);
1150 if (mask & OUTPUT_SPEAKER) {
1151 /* mute headphones */
1152 sgsmix_set_speaker_vol(sc->sc_sgsmix,
1153 sc->vol_l, sc->vol_r);
1154 sgsmix_set_headphone_vol(sc->sc_sgsmix, 0, 0);
1156 } else {
1157 #endif
1158 sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER | AWACS_MUTE_HEADPHONE;
1159 if ((sc->vol_l > 0) || (sc->vol_r > 0)) {
1160 if (mask & OUTPUT_SPEAKER)
1161 sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
1162 if (mask & OUTPUT_HEADPHONES)
1163 sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE;
1165 awacs_write_codec(sc, sc->sc_codecctl1);
1166 #if NSGSMIX > 0
1168 #endif
1169 sc->sc_output_mask = mask;
1172 static void
1173 awacs_set_speaker_volume(struct awacs_softc *sc, int left, int right)
1176 #if NSGSMIX > 0
1177 if (sc->sc_sgsmix) {
1178 if (sc->sc_output_mask & OUTPUT_SPEAKER)
1179 sgsmix_set_speaker_vol(sc->sc_sgsmix, left, right);
1180 } else
1181 #endif
1183 int lval;
1184 int rval;
1185 uint32_t codecctl = sc->sc_codecctl1;
1187 lval = 15 - ((left & 0xf0) >> 4);
1188 rval = 15 - ((right & 0xf0) >> 4);
1189 DPRINTF("speaker_volume %d %d\n", lval, rval);
1191 sc->sc_codecctl4 &= ~0x3cf;
1192 sc->sc_codecctl4 |= (lval << 6) | rval;
1193 awacs_write_codec(sc, sc->sc_codecctl4);
1194 if ((left == 0) && (right == 0)) {
1196 * max. attenuation doesn't mean silence so we need to
1197 * mute the output channel here
1199 codecctl |= AWACS_MUTE_SPEAKER;
1200 } else if (sc->sc_output_mask & OUTPUT_SPEAKER) {
1201 codecctl &= ~AWACS_MUTE_SPEAKER;
1204 if (codecctl != sc->sc_codecctl1) {
1206 sc->sc_codecctl1 = codecctl;
1207 awacs_write_codec(sc, sc->sc_codecctl1);
1212 static void
1213 awacs_set_ext_volume(struct awacs_softc *sc, int left, int right)
1216 #if NSGSMIX > 0
1217 if (sc->sc_sgsmix) {
1218 if (sc->sc_output_mask & OUTPUT_HEADPHONES)
1219 sgsmix_set_headphone_vol(sc->sc_sgsmix, left, right);
1220 } else
1221 #endif
1223 int lval;
1224 int rval;
1225 uint32_t codecctl = sc->sc_codecctl1;
1227 lval = 15 - ((left & 0xf0) >> 4);
1228 rval = 15 - ((right & 0xf0) >> 4);
1229 DPRINTF("ext_volume %d %d\n", lval, rval);
1231 sc->sc_codecctl2 &= ~0x3cf;
1232 sc->sc_codecctl2 |= (lval << 6) | rval;
1233 awacs_write_codec(sc, sc->sc_codecctl2);
1235 if ((left == 0) && (right == 0)) {
1237 * max. attenuation doesn't mean silence so we need to
1238 * mute the output channel here
1240 codecctl |= AWACS_MUTE_HEADPHONE;
1241 } else if (sc->sc_output_mask & OUTPUT_HEADPHONES) {
1243 codecctl &= ~AWACS_MUTE_HEADPHONE;
1246 if (codecctl != sc->sc_codecctl1) {
1248 sc->sc_codecctl1 = codecctl;
1249 awacs_write_codec(sc, sc->sc_codecctl1);
1254 void
1255 awacs_set_volume(struct awacs_softc *sc, int left, int right)
1258 awacs_set_ext_volume(sc, left, right);
1259 awacs_set_speaker_volume(sc, left, right);
1261 sc->vol_l = left;
1262 sc->vol_r = right;
1265 #if NSGSMIX > 0
1266 static void
1267 awacs_set_bass(struct awacs_softc *sc, int bass)
1270 if (sc->sc_bass == bass)
1271 return;
1273 sc->sc_bass = bass;
1274 if (sc->sc_sgsmix)
1275 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass,
1276 sc->sc_treble);
1279 static void
1280 awacs_set_treble(struct awacs_softc *sc, int treble)
1283 if (sc->sc_treble == treble)
1284 return;
1286 sc->sc_treble = treble;
1287 if (sc->sc_sgsmix)
1288 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass,
1289 sc->sc_treble);
1291 #endif
1293 void
1294 awacs_set_loopthrough_volume(struct awacs_softc *sc, int left, int right)
1296 int lval;
1297 int rval;
1299 lval = 15 - ((left & 0xff) >> 4);
1300 rval = 15 - ((right & 0xff) >> 4);
1301 DPRINTF("loopthrough_volume %d %d\n", lval, rval);
1303 sc->sc_codecctl5 &= ~0x3cf;
1304 sc->sc_codecctl5 |= (lval << 6) | rval;
1305 awacs_write_codec(sc, sc->sc_codecctl5);
1309 awacs_set_rate(struct awacs_softc *sc, const audio_params_t *p)
1311 int c;
1313 switch (p->sample_rate) {
1314 case 44100:
1315 c = AWACS_RATE_44100;
1316 break;
1317 case 29400:
1318 c = AWACS_RATE_29400;
1319 break;
1320 case 22050:
1321 c = AWACS_RATE_22050;
1322 break;
1323 case 17640:
1324 c = AWACS_RATE_17640;
1325 break;
1326 case 14700:
1327 c = AWACS_RATE_14700;
1328 break;
1329 case 11025:
1330 c = AWACS_RATE_11025;
1331 break;
1332 case 8820:
1333 c = AWACS_RATE_8820;
1334 break;
1335 case 7350:
1336 c = AWACS_RATE_7350;
1337 break;
1338 default:
1339 return -1;
1342 sc->sc_soundctl &= ~AWACS_RATE_MASK;
1343 sc->sc_soundctl |= c;
1344 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
1346 return 0;
1349 static int
1350 awacs_check_headphones(struct awacs_softc *sc)
1352 uint32_t reg;
1353 reg = awacs_read_reg(sc, AWACS_CODEC_STATUS);
1354 DPRINTF("%s: codec status reg %08x\n", device_xname(sc->sc_dev), reg);
1355 return ((reg & sc->sc_headphones_mask) == sc->sc_headphones_in);
1358 static int
1359 awacs_status_intr(void *cookie)
1361 struct awacs_softc *sc = cookie;
1362 int mask;
1364 mask = awacs_check_headphones(sc) ? OUTPUT_HEADPHONES : OUTPUT_SPEAKER;
1365 if (mask != sc->sc_output_mask) {
1367 sc->sc_output_wanted = mask;
1368 wakeup(&sc->sc_event);
1370 /* clear the interrupt */
1371 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl | AWACS_PORTCHG);
1372 return 1;
1375 static void
1376 awacs_thread(void *cookie)
1378 struct awacs_softc *sc = cookie;
1380 while (1) {
1381 tsleep(&sc->sc_event, PWAIT, "awacs_wait", hz);
1382 if (sc->sc_output_wanted == sc->sc_output_mask)
1383 continue;
1385 awacs_select_output(sc, sc->sc_output_wanted);
1386 DPRINTF("%s: switching to %s\n", device_xname(sc->sc_dev),
1387 (sc->sc_output_wanted & OUTPUT_SPEAKER) ?
1388 "speaker" : "headphones");