awacs.c revision 1.28.4.2 1 /* $NetBSD: awacs.c,v 1.28.4.2 2007/06/14 02:25:52 macallan 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 1.28.4.2 2007/06/14 02:25:52 macallan Exp $");
31
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>
39
40 #include <dev/auconv.h>
41 #include <dev/audio_if.h>
42 #include <dev/mulaw.h>
43
44 #include <uvm/uvm_extern.h>
45
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 struct device sc_dev;
67 int sc_flags;
68
69 void (*sc_ointr)(void *); /* DMA completion intr handler */
70 void *sc_oarg; /* arg for sc_ointr() */
71 int sc_opages; /* # of output pages */
72
73 void (*sc_iintr)(void *); /* DMA completion intr handler */
74 void *sc_iarg; /* arg for sc_iintr() */
75
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 */
80
81 int sc_screamer;
82 int sc_have_perch;
83 int vol_l, vol_r;
84 int sc_bass, sc_treble;
85 struct proc *sc_thread;
86 int sc_event;
87 int sc_output_wanted;
88 #if NSGSMIX > 0
89 struct device *sc_sgsmix;
90 #endif
91
92 char *sc_reg;
93 u_int sc_codecctl0;
94 u_int sc_codecctl1;
95 u_int sc_codecctl2;
96 u_int sc_codecctl4;
97 u_int sc_codecctl5;
98 u_int sc_codecctl6;
99 u_int sc_codecctl7;
100 u_int sc_soundctl;
101
102 struct dbdma_regmap *sc_odma;
103 struct dbdma_regmap *sc_idma;
104 struct dbdma_command *sc_odmacmd;
105 struct dbdma_command *sc_idmacmd;
106
107 #define AWACS_NFORMATS 2
108 struct audio_format sc_formats[AWACS_NFORMATS];
109 };
110
111 static int awacs_match(struct device *, struct cfdata *, void *);
112 static void awacs_attach(struct device *, struct device *, void *);
113 static int awacs_intr(void *);
114 static int awacs_status_intr(void *);
115
116 static void awacs_close(void *);
117 static int awacs_query_encoding(void *, struct audio_encoding *);
118 static int awacs_set_params(void *, int, int, audio_params_t *, audio_params_t *,
119 stream_filter_list_t *, stream_filter_list_t *);
120
121 static int awacs_round_blocksize(void *, int, int, const audio_params_t *);
122 static int awacs_trigger_output(void *, void *, void *, int, void (*)(void *),
123 void *, const audio_params_t *);
124 static int awacs_trigger_input(void *, void *, void *, int, void (*)(void *),
125 void *, const audio_params_t *);
126 static int awacs_halt_output(void *);
127 static int awacs_halt_input(void *);
128 static int awacs_getdev(void *, struct audio_device *);
129 static int awacs_set_port(void *, mixer_ctrl_t *);
130 static int awacs_get_port(void *, mixer_ctrl_t *);
131 static int awacs_query_devinfo(void *, mixer_devinfo_t *);
132 static size_t awacs_round_buffersize(void *, int, size_t);
133 static paddr_t awacs_mappage(void *, void *, off_t, int);
134 static int awacs_get_props(void *);
135
136 static inline u_int awacs_read_reg(struct awacs_softc *, int);
137 static inline void awacs_write_reg(struct awacs_softc *, int, int);
138 static void awacs_write_codec(struct awacs_softc *, int);
139
140 static void awacs_set_volume(struct awacs_softc *, int, int);
141 static void awacs_set_speaker_volume(struct awacs_softc *, int, int);
142 static void awacs_set_ext_volume(struct awacs_softc *, int, int);
143 static void awacs_set_loopthrough_volume(struct awacs_softc *, int, int);
144 static int awacs_set_rate(struct awacs_softc *, const audio_params_t *);
145 static void awacs_select_output(struct awacs_softc *, int);
146 static int awacs_check_headphones(struct awacs_softc *);
147 static void awacs_create_thread(void *);
148 static void awacs_thread(void *);
149
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(struct device *);
155
156 CFATTACH_DECL(awacs, sizeof(struct awacs_softc),
157 awacs_match, awacs_attach, NULL, NULL);
158
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,
187 };
188
189 struct audio_device awacs_device = {
190 "AWACS",
191 "",
192 "awacs"
193 };
194
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, {7350, 8820, 11025, 14700, 17640, 22050, 29400, 44100}},
200 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 16, 16,
201 2, AUFMT_STEREO, 8, {7350, 8820, 11025, 14700, 17640, 22050, 29400, 44100}},
202 };
203
204 /* register offset */
205 #define AWACS_SOUND_CTRL 0x00
206 #define AWACS_CODEC_CTRL 0x10
207 #define AWACS_CODEC_STATUS 0x20
208 #define AWACS_CLIP_COUNT 0x30
209 #define AWACS_BYTE_SWAP 0x40
210
211 /* sound control */
212 #define AWACS_INPUT_SUBFRAME0 0x00000001
213 #define AWACS_INPUT_SUBFRAME1 0x00000002
214 #define AWACS_INPUT_SUBFRAME2 0x00000004
215 #define AWACS_INPUT_SUBFRAME3 0x00000008
216
217 #define AWACS_OUTPUT_SUBFRAME0 0x00000010
218 #define AWACS_OUTPUT_SUBFRAME1 0x00000020
219 #define AWACS_OUTPUT_SUBFRAME2 0x00000040
220 #define AWACS_OUTPUT_SUBFRAME3 0x00000080
221
222 #define AWACS_RATE_44100 0x00000000
223 #define AWACS_RATE_29400 0x00000100
224 #define AWACS_RATE_22050 0x00000200
225 #define AWACS_RATE_17640 0x00000300
226 #define AWACS_RATE_14700 0x00000400
227 #define AWACS_RATE_11025 0x00000500
228 #define AWACS_RATE_8820 0x00000600
229 #define AWACS_RATE_7350 0x00000700
230 #define AWACS_RATE_MASK 0x00000700
231
232 #define AWACS_ERROR 0x00000800
233 #define AWACS_PORTCHG 0x00001000
234 #define AWACS_INTR_ERROR 0x00002000 /* interrupt on error */
235 #define AWACS_INTR_PORTCHG 0x00004000 /* interrupt on port change */
236
237 #define AWACS_STATUS_SUBFRAME 0x00018000 /* mask */
238
239 /* codec control */
240 #define AWACS_CODEC_ADDR0 0x00000000
241 #define AWACS_CODEC_ADDR1 0x00001000
242 #define AWACS_CODEC_ADDR2 0x00002000
243 #define AWACS_CODEC_ADDR4 0x00004000
244 #define AWACS_CODEC_ADDR5 0x00005000
245 #define AWACS_CODEC_ADDR6 0x00006000
246 #define AWACS_CODEC_ADDR7 0x00007000
247 #define AWACS_CODEC_EMSEL0 0x00000000
248 #define AWACS_CODEC_EMSEL1 0x00400000
249 #define AWACS_CODEC_EMSEL2 0x00800000
250 #define AWACS_CODEC_EMSEL4 0x00c00000
251 #define AWACS_CODEC_BUSY 0x01000000
252
253 /* cc0 */
254 #define AWACS_DEFAULT_CD_GAIN 0x000000bb
255 #define AWACS_INPUT_CD 0x00000200
256 #define AWACS_INPUT_LINE 0x00000400
257 #define AWACS_INPUT_MICROPHONE 0x00000800
258 #define AWACS_INPUT_MASK 0x00000e00
259
260 /* cc1 */
261 #define AWACS_LOOP_THROUGH 0x00000040
262 #define AWACS_MUTE_SPEAKER 0x00000080
263 #define AWACS_MUTE_HEADPHONE 0x00000200
264 #define AWACS_PARALLEL_OUTPUT 0x00000c00
265
266 /* output */
267 #define OUTPUT_SPEAKER 1
268 #define OUTPUT_HEADPHONES 2
269
270 /* codec status */
271
272 static const char *screamer[] = {"screamer", NULL};
273
274 /*
275 * list machines that have the headphone detect GPIO reversed here.
276 * so far the only known case is the PowerBook 3400c and similar machines
277 */
278 static const char *detect_reversed[] = {"AAPL,3400/2400",
279 "AAPL,3500",
280 NULL};
281
282 static int
283 awacs_match(struct device *parent, struct cfdata *match, void *aux)
284 {
285 struct confargs *ca;
286
287 ca = aux;
288 if (strcmp(ca->ca_name, "i2s") == 0)
289 return 1;
290
291 if (strcmp(ca->ca_name, "awacs") != 0 &&
292 strcmp(ca->ca_name, "davbus") != 0)
293 return 0;
294
295 if (ca->ca_nreg < 24 || ca->ca_nintr < 12)
296 return 0;
297
298 return 1;
299 }
300
301 static void
302 awacs_attach(struct device *parent, struct device *self, void *aux)
303 {
304 struct awacs_softc *sc;
305 struct confargs *ca;
306 int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type;
307 int len = -1, perch;
308 int root_node;
309 char compat[256];
310
311 sc = (struct awacs_softc *)self;
312 ca = aux;
313
314 sc->sc_reg = mapiodev(ca->ca_baseaddr + ca->ca_reg[0], ca->ca_reg[1]);
315
316 /* out */
317 sc->sc_odma = mapiodev(ca->ca_baseaddr + ca->ca_reg[2], ca->ca_reg[3]);
318 sc->sc_odmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
319 /* in */
320 sc->sc_idma = mapiodev(ca->ca_baseaddr + ca->ca_reg[4], ca->ca_reg[5]);
321 sc->sc_idmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
322
323 if (strcmp(ca->ca_name, "i2s") == 0) {
324 int node, intr[6];
325
326 node = OF_child(ca->ca_node);
327 if (node == 0) {
328 printf("no i2s-a child\n");
329 return;
330 }
331 if (OF_getprop(node, "interrupts", intr, sizeof(intr)) == -1) {
332 printf("no interrupt property\n");
333 return;
334 }
335
336 cirq = intr[0];
337 oirq = intr[2];
338 iirq = intr[4];
339 cirq_type = intr[1] ? IST_LEVEL : IST_EDGE;
340 oirq_type = intr[3] ? IST_LEVEL : IST_EDGE;
341 iirq_type = intr[5] ? IST_LEVEL : IST_EDGE;
342 } else if (ca->ca_nintr == 24) {
343 cirq = ca->ca_intr[0];
344 oirq = ca->ca_intr[2];
345 iirq = ca->ca_intr[4];
346 cirq_type = ca->ca_intr[1] ? IST_LEVEL : IST_EDGE;
347 oirq_type = ca->ca_intr[3] ? IST_LEVEL : IST_EDGE;
348 iirq_type = ca->ca_intr[5] ? IST_LEVEL : IST_EDGE;
349 } else {
350 cirq = ca->ca_intr[0];
351 oirq = ca->ca_intr[1];
352 iirq = ca->ca_intr[2];
353 cirq_type = oirq_type = iirq_type = IST_EDGE;
354 }
355
356 intr_establish(cirq, cirq_type, IPL_BIO, awacs_status_intr, sc);
357 intr_establish(oirq, oirq_type, IPL_AUDIO, awacs_intr, sc);
358 intr_establish(iirq, iirq_type, IPL_AUDIO, awacs_intr, sc);
359
360 /* check if the chip is a screamer */
361 sc->sc_screamer = (of_compatible(ca->ca_node, screamer) != -1);
362 if (!sc->sc_screamer) {
363 /* look for 'sound' child node */
364 int sound_node;
365
366 sound_node = OF_child(ca->ca_node);
367 while ((sound_node != 0) && (!sc->sc_screamer)) {
368
369 sc->sc_screamer =
370 (of_compatible(sound_node, screamer) != -1);
371 sound_node = OF_peer(sound_node);
372 }
373 }
374
375 if (sc->sc_screamer) {
376 printf(" Screamer");
377 }
378
379 printf(": irq %d,%d,%d\n", cirq, oirq, iirq);
380
381 sc->vol_l = 0;
382 sc->vol_r = 0;
383
384 memcpy(&sc->sc_formats, awacs_formats, sizeof(awacs_formats));
385
386 /* XXX Uni-North based models don't have byteswap capability. */
387 if (OF_finddevice("/uni-n") == -1) {
388
389 sc->sc_flags |= AWACS_CAP_BSWAP;
390 } else {
391
392 AUFMT_INVALIDATE(&sc->sc_formats[AWACS_FORMATS_LE]);
393 }
394
395 sc->sc_soundctl = AWACS_INPUT_SUBFRAME0 | AWACS_OUTPUT_SUBFRAME0 |
396 AWACS_RATE_44100 | AWACS_INTR_PORTCHG;
397 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
398
399 sc->sc_codecctl0 = AWACS_CODEC_ADDR0 | AWACS_CODEC_EMSEL0;
400 sc->sc_codecctl1 = AWACS_CODEC_ADDR1 | AWACS_CODEC_EMSEL0;
401 sc->sc_codecctl2 = AWACS_CODEC_ADDR2 | AWACS_CODEC_EMSEL0;
402 sc->sc_codecctl4 = AWACS_CODEC_ADDR4 | AWACS_CODEC_EMSEL0;
403 sc->sc_codecctl5 = AWACS_CODEC_ADDR5 | AWACS_CODEC_EMSEL0;
404 sc->sc_codecctl6 = AWACS_CODEC_ADDR6 | AWACS_CODEC_EMSEL0;
405 sc->sc_codecctl7 = AWACS_CODEC_ADDR7 | AWACS_CODEC_EMSEL0;
406
407 sc->sc_codecctl0 |= AWACS_INPUT_CD | AWACS_DEFAULT_CD_GAIN;
408 awacs_write_codec(sc, sc->sc_codecctl0);
409
410 /* Set loopthrough for external mixer on beige G3 */
411 sc->sc_codecctl1 |= (AWACS_LOOP_THROUGH | AWACS_PARALLEL_OUTPUT);
412
413 printf("%s: ", sc->sc_dev.dv_xname);
414
415 root_node = OF_finddevice("/");
416 if (of_compatible(root_node, detect_reversed) != -1) {
417
418 /* 0x02 is for the microphone jack, high active */
419 /*
420 * for some reason the gpio for the headphones jack is low
421 * active on the PB3400 and similar machines
422 */
423 sc->sc_headphones_mask = 0x8;
424 sc->sc_headphones_in = 0x0;
425 } else if (sc->sc_screamer) {
426
427 /*
428 * XXX
429 * not sure if that's true for all screamers or just beige G3
430 */
431 sc->sc_headphones_mask = 0x04;
432 sc->sc_headphones_in = 0x04;
433 } else {
434 /* while on other machines it's high active as well */
435 sc->sc_headphones_mask = 0x8;
436 sc->sc_headphones_in = 0x8;
437 }
438 if (awacs_check_headphones(sc)) {
439
440 /* default output to headphones */
441 printf("headphones\n");
442 sc->sc_output_mask = OUTPUT_HEADPHONES;
443 } else {
444
445 /* default output to speakers */
446 printf("speaker\n");
447 sc->sc_output_mask = OUTPUT_SPEAKER;
448 }
449 sc->sc_output_wanted = sc->sc_output_mask;
450 awacs_select_output(sc, sc->sc_output_mask);
451
452 delay(100);
453 if (sc->sc_screamer) {
454 awacs_write_codec(sc, sc->sc_codecctl6);
455 awacs_write_codec(sc, sc->sc_codecctl5);
456 delay(2);
457 awacs_write_codec(sc, sc->sc_codecctl1);
458 awacs_write_codec(sc, sc->sc_codecctl7);
459 }
460
461 /* default input from CD */
462 sc->sc_record_source = 1 << 0;
463 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
464 sc->sc_codecctl0 |= AWACS_INPUT_CD;
465 awacs_write_codec(sc, sc->sc_codecctl0);
466
467 /* Enable interrupts and looping mode. */
468 /* XXX ... */
469
470 sc->sc_codecctl1 |= (AWACS_LOOP_THROUGH | AWACS_PARALLEL_OUTPUT);
471 awacs_write_codec(sc, sc->sc_codecctl1);
472
473 #if NSGSMIX > 0
474 sc->sc_sgsmix = NULL;
475 #endif
476 sc->sc_have_perch = 0;
477 if ((perch = OF_finddevice("/perch")) != -1) {
478
479 len = OF_getprop(perch, "compatible", compat, 255);
480 if (len > 0) {
481 printf("%s: found '%s' personality card\n",
482 sc->sc_dev.dv_xname, compat);
483 sc->sc_have_perch = 1;
484 config_finalize_register(&sc->sc_dev, awacs_setup_sgsmix);
485 }
486 }
487
488 /* Set initial volume[s] */
489 awacs_set_volume(sc, 144, 144);
490 awacs_set_loopthrough_volume(sc, 255, 255);
491
492 audio_attach_mi(&awacs_hw_if, sc, &sc->sc_dev);
493
494 kthread_create(awacs_create_thread, sc);
495 }
496
497 static int
498 awacs_setup_sgsmix(struct device *cookie)
499 {
500 struct awacs_softc *sc = (struct awacs_softc *)cookie;
501 #if NSGSMIX > 0
502 struct device *dv;
503 #endif
504
505 if (!sc->sc_have_perch)
506 return 0;
507 #if NSGSMIX > 0
508 /* look for sgsmix */
509 for (dv = alldevs.tqh_first; dv; dv=dv->dv_list.tqe_next) {
510 if (device_is_a(dv, "sgsmix")) {
511 sc->sc_sgsmix = dv;
512 break;
513 }
514 }
515 if (sc->sc_sgsmix == NULL)
516 return 0;
517
518 printf("%s: using %s\n", sc->sc_dev.dv_xname,
519 sc->sc_sgsmix->dv_xname);
520
521 awacs_select_output(sc, sc->sc_output_mask);
522 awacs_set_volume(sc, sc->vol_l, sc->vol_r);
523 awacs_set_bass(sc, 128);
524 awacs_set_treble(sc, 128);
525 wakeup(&sc->sc_event);
526 #endif
527 return 0;
528 }
529
530
531 static inline u_int
532 awacs_read_reg(struct awacs_softc *sc, int reg)
533 {
534 char *addr;
535
536 addr = sc->sc_reg;
537 return in32rb(addr + reg);
538 }
539
540 static inline void
541 awacs_write_reg(struct awacs_softc *sc, int reg, int val)
542 {
543 char *addr;
544
545 addr = sc->sc_reg;
546 out32rb(addr + reg, val);
547 }
548
549 static void
550 awacs_write_codec(struct awacs_softc *sc, int value)
551 {
552
553 do {
554 delay(100);
555 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
556
557 awacs_write_reg(sc, AWACS_CODEC_CTRL, value);
558
559 do {
560 delay(100);
561 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
562 }
563
564 static int
565 awacs_intr(void *v)
566 {
567 struct awacs_softc *sc;
568 struct dbdma_command *cmd;
569 int count;
570 int status;
571
572 sc = v;
573 cmd = sc->sc_odmacmd;
574 count = sc->sc_opages;
575 /* Fill used buffer(s). */
576 while (count-- > 0) {
577 /* if DBDMA_INT_ALWAYS */
578 if (in16rb(&cmd->d_command) & 0x30) { /* XXX */
579 status = in16rb(&cmd->d_status);
580 cmd->d_status = 0;
581 if (status) /* status == 0x8400 */
582 if (sc->sc_ointr)
583 (*sc->sc_ointr)(sc->sc_oarg);
584 }
585 cmd++;
586 }
587
588 return 1;
589 }
590
591 /*
592 * Close function is called at splaudio().
593 */
594 static void
595 awacs_close(void *h)
596 {
597 struct awacs_softc *sc;
598
599 sc = h;
600 awacs_halt_output(sc);
601 awacs_halt_input(sc);
602
603 sc->sc_ointr = 0;
604 sc->sc_iintr = 0;
605 }
606
607 static int
608 awacs_query_encoding(void *h, struct audio_encoding *ae)
609 {
610 struct awacs_softc *sc;
611
612 sc = h;
613 ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
614
615 switch (ae->index) {
616 case 0:
617 strcpy(ae->name, AudioEslinear);
618 ae->encoding = AUDIO_ENCODING_SLINEAR;
619 ae->precision = 16;
620 ae->flags = 0;
621 return 0;
622 case 1:
623 strcpy(ae->name, AudioEslinear_be);
624 ae->encoding = AUDIO_ENCODING_SLINEAR_BE;
625 ae->precision = 16;
626 ae->flags = 0;
627 return 0;
628 case 2:
629 strcpy(ae->name, AudioEslinear_le);
630 ae->encoding = AUDIO_ENCODING_SLINEAR_LE;
631 ae->precision = 16;
632 if (sc->sc_flags & AWACS_CAP_BSWAP)
633 ae->flags = 0;
634 return 0;
635 case 3:
636 strcpy(ae->name, AudioEulinear_be);
637 ae->encoding = AUDIO_ENCODING_ULINEAR_BE;
638 ae->precision = 16;
639 return 0;
640 case 4:
641 strcpy(ae->name, AudioEulinear_le);
642 ae->encoding = AUDIO_ENCODING_ULINEAR_LE;
643 ae->precision = 16;
644 return 0;
645 case 5:
646 strcpy(ae->name, AudioEmulaw);
647 ae->encoding = AUDIO_ENCODING_ULAW;
648 ae->precision = 8;
649 return 0;
650 case 6:
651 strcpy(ae->name, AudioEalaw);
652 ae->encoding = AUDIO_ENCODING_ALAW;
653 ae->precision = 8;
654 return 0;
655 default:
656 return EINVAL;
657 }
658 }
659
660 static int
661 awacs_set_params(void *h, int setmode, int usemode,
662 audio_params_t *play, audio_params_t *rec,
663 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
664 {
665 struct awacs_softc *sc;
666 audio_params_t *p;
667 stream_filter_list_t *fil;
668 int mode, i;
669
670 sc = h;
671 p = NULL;
672 /*
673 * This device only has one clock, so make the sample rates match.
674 */
675 if (play->sample_rate != rec->sample_rate &&
676 usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
677 if (setmode == AUMODE_PLAY) {
678 rec->sample_rate = play->sample_rate;
679 setmode |= AUMODE_RECORD;
680 } else if (setmode == AUMODE_RECORD) {
681 play->sample_rate = rec->sample_rate;
682 setmode |= AUMODE_PLAY;
683 } else
684 return EINVAL;
685 }
686
687 for (mode = AUMODE_RECORD; mode != -1;
688 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
689 if ((setmode & mode) == 0)
690 continue;
691
692 p = mode == AUMODE_PLAY ? play : rec;
693 fil = mode == AUMODE_PLAY ? pfil : rfil;
694 switch (p->sample_rate) {
695 case 48000: /* aurateconv */
696 case 44100:
697 case 29400:
698 case 22050:
699 case 17640:
700 case 14700:
701 case 11025:
702 case 8820:
703 case 8000: /* aurateconv */
704 case 7350:
705 break;
706 default:
707 return EINVAL;
708 }
709 awacs_write_reg(sc, AWACS_BYTE_SWAP, 0);
710 i = auconv_set_converter(sc->sc_formats, AWACS_NFORMATS,
711 mode, p, true, fil);
712 if (i < 0)
713 return EINVAL;
714 if (i == AWACS_FORMATS_LE)
715 awacs_write_reg(sc, AWACS_BYTE_SWAP, 1);
716 if (fil->req_size > 0)
717 p = &fil->filters[0].param;
718 if (awacs_set_rate(sc, p))
719 return EINVAL;
720 }
721 return 0;
722 }
723
724 static int
725 awacs_round_blocksize(void *h, int size, int mode, const audio_params_t *param)
726 {
727
728 if (size < PAGE_SIZE)
729 size = PAGE_SIZE;
730 return size & ~PGOFSET;
731 }
732
733 static int
734 awacs_halt_output(void *h)
735 {
736 struct awacs_softc *sc;
737
738 sc = h;
739 dbdma_stop(sc->sc_odma);
740 dbdma_reset(sc->sc_odma);
741 return 0;
742 }
743
744 static int
745 awacs_halt_input(void *h)
746 {
747 struct awacs_softc *sc;
748
749 sc = h;
750 dbdma_stop(sc->sc_idma);
751 dbdma_reset(sc->sc_idma);
752 return 0;
753 }
754
755 static int
756 awacs_getdev(void *h, struct audio_device *retp)
757 {
758
759 *retp = awacs_device;
760 return 0;
761 }
762
763 enum {
764 AWACS_MONITOR_CLASS,
765 AWACS_OUTPUT_CLASS,
766 AWACS_RECORD_CLASS,
767 AWACS_OUTPUT_SELECT,
768 AWACS_VOL_MASTER,
769 AWACS_INPUT_SELECT,
770 AWACS_VOL_INPUT,
771 AWACS_BASS,
772 AWACS_TREBLE,
773 AWACS_ENUM_LAST
774 };
775
776 static int
777 awacs_set_port(void *h, mixer_ctrl_t *mc)
778 {
779 struct awacs_softc *sc;
780 int l, r;
781
782 DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type);
783 sc = h;
784 l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
785 r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
786
787 switch (mc->dev) {
788 case AWACS_OUTPUT_SELECT:
789 /* No change necessary? */
790 if (mc->un.mask == sc->sc_output_mask)
791 return 0;
792 awacs_select_output(sc, mc->un.mask);
793 return 0;
794
795 case AWACS_VOL_MASTER:
796 awacs_set_volume(sc, l, r);
797 return 0;
798
799 case AWACS_INPUT_SELECT:
800 /* no change necessary? */
801 if (mc->un.mask == sc->sc_record_source)
802 return 0;
803 switch (mc->un.mask) {
804 case 1 << 0: /* CD */
805 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
806 sc->sc_codecctl0 |= AWACS_INPUT_CD;
807 awacs_write_codec(sc, sc->sc_codecctl0);
808 break;
809 case 1 << 1: /* microphone */
810 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
811 sc->sc_codecctl0 |= AWACS_INPUT_MICROPHONE;
812 awacs_write_codec(sc, sc->sc_codecctl0);
813 break;
814 case 1 << 2: /* line in */
815 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
816 sc->sc_codecctl0 |= AWACS_INPUT_LINE;
817 awacs_write_codec(sc, sc->sc_codecctl0);
818 break;
819 default: /* invalid argument */
820 return EINVAL;
821 }
822 sc->sc_record_source = mc->un.mask;
823 return 0;
824
825 case AWACS_VOL_INPUT:
826 sc->sc_codecctl0 &= ~0xff;
827 sc->sc_codecctl0 |= (l & 0xf0) | (r >> 4);
828 awacs_write_codec(sc, sc->sc_codecctl0);
829 return 0;
830
831 #if NSGSMIX > 0
832 case AWACS_BASS:
833 awacs_set_bass(sc, l);
834 return 0;
835
836 case AWACS_TREBLE:
837 awacs_set_treble(sc, l);
838 return 0;
839 #endif
840 }
841
842 return ENXIO;
843 }
844
845 static int
846 awacs_get_port(void *h, mixer_ctrl_t *mc)
847 {
848 struct awacs_softc *sc;
849 int l, r, vol;
850
851 sc = h;
852 switch (mc->dev) {
853 case AWACS_OUTPUT_SELECT:
854 mc->un.mask = sc->sc_output_mask;
855 return 0;
856
857 case AWACS_VOL_MASTER:
858 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->vol_l;
859 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->vol_r;
860 return 0;
861
862 case AWACS_INPUT_SELECT:
863 mc->un.mask = sc->sc_record_source;
864 return 0;
865
866 case AWACS_VOL_INPUT:
867 vol = sc->sc_codecctl0 & 0xff;
868 l = (vol & 0xf0);
869 r = (vol & 0x0f) << 4;
870 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
871 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
872 return 0;
873 #if NSGSMIX > 0
874 case AWACS_BASS:
875 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_bass;
876 return 0;
877
878 case AWACS_TREBLE:
879 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_treble;
880 return 0;
881 #endif
882
883 default:
884 return ENXIO;
885 }
886
887 return 0;
888 }
889
890 static int
891 awacs_query_devinfo(void *h, mixer_devinfo_t *dip)
892 {
893 #if NSGSMIX > 0
894 struct awacs_softc *sc = h;
895 #endif
896
897 switch (dip->index) {
898
899 case AWACS_OUTPUT_SELECT:
900 dip->mixer_class = AWACS_MONITOR_CLASS;
901 strcpy(dip->label.name, AudioNoutput);
902 dip->type = AUDIO_MIXER_SET;
903 dip->prev = dip->next = AUDIO_MIXER_LAST;
904 dip->un.s.num_mem = 2;
905 strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
906 dip->un.s.member[0].mask = 1 << 0;
907 strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
908 dip->un.s.member[1].mask = 1 << 1;
909 return 0;
910
911 case AWACS_VOL_MASTER:
912 dip->mixer_class = AWACS_MONITOR_CLASS;
913 strcpy(dip->label.name, AudioNmaster);
914 dip->type = AUDIO_MIXER_VALUE;
915 dip->prev = dip->next = AUDIO_MIXER_LAST;
916 dip->un.v.num_channels = 2;
917 strcpy(dip->un.v.units.name, AudioNvolume);
918 return 0;
919
920 #if NSGSMIX > 0
921 case AWACS_BASS:
922 if (sc->sc_sgsmix == NULL)
923 return ENXIO;
924 dip->mixer_class = AWACS_MONITOR_CLASS;
925 strcpy(dip->label.name, AudioNbass);
926 dip->type = AUDIO_MIXER_VALUE;
927 dip->prev = dip->next = AUDIO_MIXER_LAST;
928 dip->un.v.num_channels = 1;
929 strcpy(dip->un.v.units.name, AudioNbass);
930 return 0;
931
932 case AWACS_TREBLE:
933 if (sc->sc_sgsmix == NULL)
934 return ENXIO;
935 dip->mixer_class = AWACS_MONITOR_CLASS;
936 strcpy(dip->label.name, AudioNtreble);
937 dip->type = AUDIO_MIXER_VALUE;
938 dip->prev = dip->next = AUDIO_MIXER_LAST;
939 dip->un.v.num_channels = 1;
940 strcpy(dip->un.v.units.name, AudioNtreble);
941 return 0;
942 #endif
943
944 case AWACS_INPUT_SELECT:
945 dip->mixer_class = AWACS_RECORD_CLASS;
946 strcpy(dip->label.name, AudioNsource);
947 dip->type = AUDIO_MIXER_SET;
948 dip->prev = dip->next = AUDIO_MIXER_LAST;
949 dip->un.s.num_mem = 3;
950 strcpy(dip->un.s.member[0].label.name, AudioNcd);
951 dip->un.s.member[0].mask = 1 << 0;
952 strcpy(dip->un.s.member[1].label.name, AudioNmicrophone);
953 dip->un.s.member[1].mask = 1 << 1;
954 strcpy(dip->un.s.member[2].label.name, AudioNline);
955 dip->un.s.member[2].mask = 1 << 2;
956 return 0;
957
958 case AWACS_VOL_INPUT:
959 dip->mixer_class = AWACS_RECORD_CLASS;
960 strcpy(dip->label.name, AudioNrecord);
961 dip->type = AUDIO_MIXER_VALUE;
962 dip->prev = dip->next = AUDIO_MIXER_LAST;
963 dip->un.v.num_channels = 2;
964 strcpy(dip->un.v.units.name, AudioNvolume);
965 return 0;
966
967 case AWACS_MONITOR_CLASS:
968 dip->mixer_class = AWACS_MONITOR_CLASS;
969 strcpy(dip->label.name, AudioCmonitor);
970 dip->type = AUDIO_MIXER_CLASS;
971 dip->next = dip->prev = AUDIO_MIXER_LAST;
972 return 0;
973
974 case AWACS_OUTPUT_CLASS:
975 dip->mixer_class = AWACS_OUTPUT_CLASS;
976 strcpy(dip->label.name, AudioCoutputs);
977 dip->type = AUDIO_MIXER_CLASS;
978 dip->next = dip->prev = AUDIO_MIXER_LAST;
979 return 0;
980
981 case AWACS_RECORD_CLASS:
982 dip->mixer_class = AWACS_RECORD_CLASS;
983 strcpy(dip->label.name, AudioCrecord);
984 dip->type = AUDIO_MIXER_CLASS;
985 dip->next = dip->prev = AUDIO_MIXER_LAST;
986 return 0;
987 }
988
989 return ENXIO;
990 }
991
992 static size_t
993 awacs_round_buffersize(void *h, int dir, size_t size)
994 {
995
996 if (size > 65536)
997 size = 65536;
998 return size;
999 }
1000
1001 static paddr_t
1002 awacs_mappage(void *h, void *mem, off_t off, int prot)
1003 {
1004
1005 if (off < 0)
1006 return -1;
1007 return -1; /* XXX */
1008 }
1009
1010 static int
1011 awacs_get_props(void *h)
1012 {
1013 return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
1014 }
1015
1016 static int
1017 awacs_trigger_output(void *h, void *start, void *end, int bsize,
1018 void (*intr)(void *), void *arg,
1019 const audio_params_t *param)
1020 {
1021 struct awacs_softc *sc;
1022 struct dbdma_command *cmd;
1023 vaddr_t va;
1024 int i, len, intmode;
1025
1026 DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
1027 sc = h;
1028 cmd = sc->sc_odmacmd;
1029 sc->sc_ointr = intr;
1030 sc->sc_oarg = arg;
1031 sc->sc_opages = ((char *)end - (char *)start) / PAGE_SIZE;
1032
1033 #ifdef DIAGNOSTIC
1034 if (sc->sc_opages > 16)
1035 panic("awacs_trigger_output");
1036 #endif
1037
1038 va = (vaddr_t)start;
1039 len = 0;
1040 for (i = sc->sc_opages; i > 0; i--) {
1041 len += PAGE_SIZE;
1042 if (len < bsize)
1043 intmode = DBDMA_INT_NEVER;
1044 else {
1045 len = 0;
1046 intmode = DBDMA_INT_ALWAYS;
1047 }
1048
1049 DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, PAGE_SIZE, vtophys(va),
1050 intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
1051 va += PAGE_SIZE;
1052 cmd++;
1053 }
1054
1055 DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
1056 DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
1057 out32rb(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
1058
1059 dbdma_start(sc->sc_odma, sc->sc_odmacmd);
1060
1061 return 0;
1062 }
1063
1064 static int
1065 awacs_trigger_input(void *h, void *start, void *end, int bsize,
1066 void (*intr)(void *), void *arg,
1067 const audio_params_t *param)
1068 {
1069
1070 DPRINTF("awacs_trigger_input called\n");
1071 return 1;
1072 }
1073
1074 static void
1075 awacs_select_output(struct awacs_softc *sc, int mask)
1076 {
1077
1078 #if NSGSMIX > 0
1079 if (sc->sc_sgsmix) {
1080 if (mask & OUTPUT_HEADPHONES) {
1081 /* mute speakers */
1082 sgsmix_set_speaker_vol(sc->sc_sgsmix, 0, 0);
1083 sgsmix_set_headphone_vol(sc->sc_sgsmix,
1084 sc->vol_l, sc->vol_r);
1085 }
1086 if (mask & OUTPUT_SPEAKER) {
1087 /* mute headphones */
1088 sgsmix_set_speaker_vol(sc->sc_sgsmix,
1089 sc->vol_l, sc->vol_r);
1090 sgsmix_set_headphone_vol(sc->sc_sgsmix, 0, 0);
1091 }
1092 } else {
1093 #endif
1094 sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER | AWACS_MUTE_HEADPHONE;
1095 if ((sc->vol_l > 0) || (sc->vol_r > 0)) {
1096 if (mask & OUTPUT_SPEAKER)
1097 sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
1098 if (mask & OUTPUT_HEADPHONES)
1099 sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE;
1100 }
1101 awacs_write_codec(sc, sc->sc_codecctl1);
1102 #if NSGSMIX > 0
1103 }
1104 #endif
1105 sc->sc_output_mask = mask;
1106 }
1107
1108 static void
1109 awacs_set_speaker_volume(struct awacs_softc *sc, int left, int right)
1110 {
1111
1112 #if NSGSMIX > 0
1113 if (sc->sc_sgsmix) {
1114 if (sc->sc_output_mask & OUTPUT_SPEAKER)
1115 sgsmix_set_speaker_vol(sc->sc_sgsmix, left, right);
1116 } else
1117 #endif
1118 {
1119 int lval;
1120 int rval;
1121 uint32_t codecctl = sc->sc_codecctl1;
1122
1123 lval = 15 - ((left & 0xf0) >> 4);
1124 rval = 15 - ((right & 0xf0) >> 4);
1125 DPRINTF("speaker_volume %d %d\n", lval, rval);
1126
1127 sc->sc_codecctl4 &= ~0x3cf;
1128 sc->sc_codecctl4 |= (lval << 6) | rval;
1129 awacs_write_codec(sc, sc->sc_codecctl4);
1130 if ((left == 0) && (right == 0)) {
1131 /*
1132 * max. attenuation doesn't mean silence so we need to
1133 * mute the output channel here
1134 */
1135 codecctl |= AWACS_MUTE_SPEAKER;
1136 } else if (sc->sc_output_mask & OUTPUT_SPEAKER) {
1137 codecctl &= ~AWACS_MUTE_SPEAKER;
1138 }
1139
1140 if (codecctl != sc->sc_codecctl1) {
1141
1142 sc->sc_codecctl1 = codecctl;
1143 awacs_write_codec(sc, sc->sc_codecctl1);
1144 }
1145 }
1146 }
1147
1148 static void
1149 awacs_set_ext_volume(struct awacs_softc *sc, int left, int right)
1150 {
1151
1152 #if NSGSMIX > 0
1153 if (sc->sc_sgsmix) {
1154 if (sc->sc_output_mask & OUTPUT_HEADPHONES)
1155 sgsmix_set_headphone_vol(sc->sc_sgsmix, left, right);
1156 } else
1157 #endif
1158 {
1159 int lval;
1160 int rval;
1161 uint32_t codecctl = sc->sc_codecctl1;
1162
1163 lval = 15 - ((left & 0xf0) >> 4);
1164 rval = 15 - ((right & 0xf0) >> 4);
1165 DPRINTF("ext_volume %d %d\n", lval, rval);
1166
1167 sc->sc_codecctl2 &= ~0x3cf;
1168 sc->sc_codecctl2 |= (lval << 6) | rval;
1169 awacs_write_codec(sc, sc->sc_codecctl2);
1170
1171 if ((left == 0) && (right == 0)) {
1172 /*
1173 * max. attenuation doesn't mean silence so we need to
1174 * mute the output channel here
1175 */
1176 codecctl |= AWACS_MUTE_HEADPHONE;
1177 } else if (sc->sc_output_mask & OUTPUT_HEADPHONES) {
1178
1179 codecctl &= ~AWACS_MUTE_HEADPHONE;
1180 }
1181
1182 if (codecctl != sc->sc_codecctl1) {
1183
1184 sc->sc_codecctl1 = codecctl;
1185 awacs_write_codec(sc, sc->sc_codecctl1);
1186 }
1187 }
1188 }
1189
1190 static void
1191 awacs_set_volume(struct awacs_softc *sc, int left, int right)
1192 {
1193
1194 awacs_set_ext_volume(sc, left, right);
1195 awacs_set_speaker_volume(sc, left, right);
1196
1197 sc->vol_l = left;
1198 sc->vol_r = right;
1199 }
1200
1201 #if NSGSMIX > 0
1202 static void
1203 awacs_set_bass(struct awacs_softc *sc, int bass)
1204 {
1205
1206 if (sc->sc_bass == bass)
1207 return;
1208
1209 sc->sc_bass = bass;
1210 if (sc->sc_sgsmix)
1211 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass, sc->sc_treble);
1212 }
1213
1214 static void
1215 awacs_set_treble(struct awacs_softc *sc, int treble)
1216 {
1217
1218 if (sc->sc_treble == treble)
1219 return;
1220
1221 sc->sc_treble = treble;
1222 if (sc->sc_sgsmix)
1223 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass, sc->sc_treble);
1224 }
1225 #endif
1226
1227 void
1228 awacs_set_loopthrough_volume(struct awacs_softc *sc, int left, int right)
1229 {
1230 int lval;
1231 int rval;
1232
1233 lval = 15 - ((left & 0xff) >> 4);
1234 rval = 15 - ((right & 0xff) >> 4);
1235 DPRINTF("loopthrough_volume %d %d\n", lval, rval);
1236
1237 sc->sc_codecctl5 &= ~0x3cf;
1238 sc->sc_codecctl5 |= (lval << 6) | rval;
1239 awacs_write_codec(sc, sc->sc_codecctl5);
1240 }
1241
1242 int
1243 awacs_set_rate(struct awacs_softc *sc, const audio_params_t *p)
1244 {
1245 int c;
1246
1247 switch (p->sample_rate) {
1248 case 44100:
1249 c = AWACS_RATE_44100;
1250 break;
1251 case 29400:
1252 c = AWACS_RATE_29400;
1253 break;
1254 case 22050:
1255 c = AWACS_RATE_22050;
1256 break;
1257 case 17640:
1258 c = AWACS_RATE_17640;
1259 break;
1260 case 14700:
1261 c = AWACS_RATE_14700;
1262 break;
1263 case 11025:
1264 c = AWACS_RATE_11025;
1265 break;
1266 case 8820:
1267 c = AWACS_RATE_8820;
1268 break;
1269 case 7350:
1270 c = AWACS_RATE_7350;
1271 break;
1272 default:
1273 return -1;
1274 }
1275
1276 sc->sc_soundctl &= ~AWACS_RATE_MASK;
1277 sc->sc_soundctl |= c;
1278 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
1279
1280 return 0;
1281 }
1282
1283 static int
1284 awacs_check_headphones(struct awacs_softc *sc)
1285 {
1286 uint32_t reg;
1287 reg = awacs_read_reg(sc, AWACS_CODEC_STATUS);
1288 DPRINTF("%s: codec status reg %08x\n", sc->sc_dev.dv_xname, reg);
1289 return ((reg & sc->sc_headphones_mask) == sc->sc_headphones_in);
1290 }
1291
1292 static int
1293 awacs_status_intr(void *cookie)
1294 {
1295 struct awacs_softc *sc = cookie;
1296 int mask;
1297
1298 mask = awacs_check_headphones(sc) ? OUTPUT_HEADPHONES : OUTPUT_SPEAKER;
1299 if (mask != sc->sc_output_mask) {
1300
1301 sc->sc_output_wanted = mask;
1302 wakeup(&sc->sc_event);
1303 }
1304 /* clear the interrupt */
1305 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl | AWACS_PORTCHG);
1306 return 1;
1307 }
1308
1309 static void
1310 awacs_create_thread(void *cookie)
1311 {
1312 struct awacs_softc *sc = cookie;
1313
1314 if (kthread_create1(awacs_thread, sc, &sc->sc_thread, "%s",
1315 "awacs") != 0) {
1316 printf("awacs: unable to create event kthread");
1317 }
1318 }
1319
1320 static void
1321 awacs_thread(void *cookie)
1322 {
1323 struct awacs_softc *sc = cookie;
1324
1325 while (1) {
1326 tsleep(&sc->sc_event, PWAIT, "awacs_wait", hz);
1327 if (sc->sc_output_wanted == sc->sc_output_mask)
1328 continue;
1329
1330 awacs_select_output(sc, sc->sc_output_wanted);
1331 DPRINTF("%s: switching to %s\n", sc->sc_dev.dv_xname,
1332 (sc->sc_output_wanted & OUTPUT_SPEAKER) ?
1333 "speaker" : "headphones");
1334 }
1335 }
1336