awacs.c revision 1.29.4.1 1 /* $NetBSD: awacs.c,v 1.29.4.1 2007/08/15 13:47:29 skrll 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 1.29.4.1 2007/08/15 13:47:29 skrll 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 lwp_t *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_thread(void *);
148
149 #if NSGSMIX > 0
150 static void awacs_set_bass(struct awacs_softc *, int);
151 static void awacs_set_treble(struct awacs_softc *, int);
152 #endif
153 static int awacs_setup_sgsmix(struct device *);
154
155 CFATTACH_DECL(awacs, sizeof(struct awacs_softc),
156 awacs_match, awacs_attach, NULL, NULL);
157
158 const struct audio_hw_if awacs_hw_if = {
159 NULL, /* open */
160 awacs_close,
161 NULL,
162 awacs_query_encoding,
163 awacs_set_params,
164 awacs_round_blocksize,
165 NULL,
166 NULL,
167 NULL,
168 NULL,
169 NULL,
170 awacs_halt_output,
171 awacs_halt_input,
172 NULL,
173 awacs_getdev,
174 NULL,
175 awacs_set_port,
176 awacs_get_port,
177 awacs_query_devinfo,
178 NULL,
179 NULL,
180 awacs_round_buffersize,
181 awacs_mappage,
182 awacs_get_props,
183 awacs_trigger_output,
184 awacs_trigger_input,
185 NULL,
186 };
187
188 struct audio_device awacs_device = {
189 "AWACS",
190 "",
191 "awacs"
192 };
193
194 #define AWACS_NFORMATS 2
195 #define AWACS_FORMATS_LE 0
196 static const struct audio_format awacs_formats[AWACS_NFORMATS] = {
197 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
198 2, AUFMT_STEREO, 8, {7350, 8820, 11025, 14700, 17640, 22050, 29400, 44100}},
199 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 16, 16,
200 2, AUFMT_STEREO, 8, {7350, 8820, 11025, 14700, 17640, 22050, 29400, 44100}},
201 };
202
203 /* register offset */
204 #define AWACS_SOUND_CTRL 0x00
205 #define AWACS_CODEC_CTRL 0x10
206 #define AWACS_CODEC_STATUS 0x20
207 #define AWACS_CLIP_COUNT 0x30
208 #define AWACS_BYTE_SWAP 0x40
209
210 /* sound control */
211 #define AWACS_INPUT_SUBFRAME0 0x00000001
212 #define AWACS_INPUT_SUBFRAME1 0x00000002
213 #define AWACS_INPUT_SUBFRAME2 0x00000004
214 #define AWACS_INPUT_SUBFRAME3 0x00000008
215
216 #define AWACS_OUTPUT_SUBFRAME0 0x00000010
217 #define AWACS_OUTPUT_SUBFRAME1 0x00000020
218 #define AWACS_OUTPUT_SUBFRAME2 0x00000040
219 #define AWACS_OUTPUT_SUBFRAME3 0x00000080
220
221 #define AWACS_RATE_44100 0x00000000
222 #define AWACS_RATE_29400 0x00000100
223 #define AWACS_RATE_22050 0x00000200
224 #define AWACS_RATE_17640 0x00000300
225 #define AWACS_RATE_14700 0x00000400
226 #define AWACS_RATE_11025 0x00000500
227 #define AWACS_RATE_8820 0x00000600
228 #define AWACS_RATE_7350 0x00000700
229 #define AWACS_RATE_MASK 0x00000700
230
231 #define AWACS_ERROR 0x00000800
232 #define AWACS_PORTCHG 0x00001000
233 #define AWACS_INTR_ERROR 0x00002000 /* interrupt on error */
234 #define AWACS_INTR_PORTCHG 0x00004000 /* interrupt on port change */
235
236 #define AWACS_STATUS_SUBFRAME 0x00018000 /* mask */
237
238 /* codec control */
239 #define AWACS_CODEC_ADDR0 0x00000000
240 #define AWACS_CODEC_ADDR1 0x00001000
241 #define AWACS_CODEC_ADDR2 0x00002000
242 #define AWACS_CODEC_ADDR4 0x00004000
243 #define AWACS_CODEC_ADDR5 0x00005000
244 #define AWACS_CODEC_ADDR6 0x00006000
245 #define AWACS_CODEC_ADDR7 0x00007000
246 #define AWACS_CODEC_EMSEL0 0x00000000
247 #define AWACS_CODEC_EMSEL1 0x00400000
248 #define AWACS_CODEC_EMSEL2 0x00800000
249 #define AWACS_CODEC_EMSEL4 0x00c00000
250 #define AWACS_CODEC_BUSY 0x01000000
251
252 /* cc0 */
253 #define AWACS_DEFAULT_CD_GAIN 0x000000bb
254 #define AWACS_INPUT_CD 0x00000200
255 #define AWACS_INPUT_LINE 0x00000400
256 #define AWACS_INPUT_MICROPHONE 0x00000800
257 #define AWACS_INPUT_MASK 0x00000e00
258
259 /* cc1 */
260 #define AWACS_LOOP_THROUGH 0x00000040
261 #define AWACS_MUTE_SPEAKER 0x00000080
262 #define AWACS_MUTE_HEADPHONE 0x00000200
263 #define AWACS_PARALLEL_OUTPUT 0x00000c00
264
265 /* output */
266 #define OUTPUT_SPEAKER 1
267 #define OUTPUT_HEADPHONES 2
268
269 /* codec status */
270
271 static const char *screamer[] = {"screamer", NULL};
272
273 /*
274 * list machines that have the headphone detect GPIO reversed here.
275 * so far the only known case is the PowerBook 3400c and similar machines
276 */
277 static const char *detect_reversed[] = {"AAPL,3400/2400",
278 "AAPL,3500",
279 NULL};
280
281 static int
282 awacs_match(struct device *parent, struct cfdata *match, void *aux)
283 {
284 struct confargs *ca;
285
286 ca = aux;
287 if (strcmp(ca->ca_name, "i2s") == 0)
288 return 1;
289
290 if (strcmp(ca->ca_name, "awacs") != 0 &&
291 strcmp(ca->ca_name, "davbus") != 0)
292 return 0;
293
294 if (ca->ca_nreg < 24 || ca->ca_nintr < 12)
295 return 0;
296
297 return 1;
298 }
299
300 static void
301 awacs_attach(struct device *parent, struct device *self, void *aux)
302 {
303 struct awacs_softc *sc;
304 struct confargs *ca;
305 int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type;
306 int len = -1, perch;
307 int root_node;
308 char compat[256];
309
310 sc = (struct awacs_softc *)self;
311 ca = aux;
312
313 sc->sc_reg = mapiodev(ca->ca_baseaddr + ca->ca_reg[0], ca->ca_reg[1]);
314
315 /* out */
316 sc->sc_odma = mapiodev(ca->ca_baseaddr + ca->ca_reg[2], ca->ca_reg[3]);
317 sc->sc_odmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
318 /* in */
319 sc->sc_idma = mapiodev(ca->ca_baseaddr + ca->ca_reg[4], ca->ca_reg[5]);
320 sc->sc_idmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
321
322 if (strcmp(ca->ca_name, "i2s") == 0) {
323 int node, intr[6];
324
325 node = OF_child(ca->ca_node);
326 if (node == 0) {
327 printf("no i2s-a child\n");
328 return;
329 }
330 if (OF_getprop(node, "interrupts", intr, sizeof(intr)) == -1) {
331 printf("no interrupt property\n");
332 return;
333 }
334
335 cirq = intr[0];
336 oirq = intr[2];
337 iirq = intr[4];
338 cirq_type = intr[1] ? IST_LEVEL : IST_EDGE;
339 oirq_type = intr[3] ? IST_LEVEL : IST_EDGE;
340 iirq_type = intr[5] ? IST_LEVEL : IST_EDGE;
341 } else if (ca->ca_nintr == 24) {
342 cirq = ca->ca_intr[0];
343 oirq = ca->ca_intr[2];
344 iirq = ca->ca_intr[4];
345 cirq_type = ca->ca_intr[1] ? IST_LEVEL : IST_EDGE;
346 oirq_type = ca->ca_intr[3] ? IST_LEVEL : IST_EDGE;
347 iirq_type = ca->ca_intr[5] ? IST_LEVEL : IST_EDGE;
348 } else {
349 cirq = ca->ca_intr[0];
350 oirq = ca->ca_intr[1];
351 iirq = ca->ca_intr[2];
352 cirq_type = oirq_type = iirq_type = IST_LEVEL;
353 }
354
355 intr_establish(cirq, cirq_type, IPL_BIO, awacs_status_intr, sc);
356 intr_establish(oirq, oirq_type, IPL_AUDIO, awacs_intr, sc);
357 intr_establish(iirq, iirq_type, IPL_AUDIO, awacs_intr, sc);
358
359 /* check if the chip is a screamer */
360 sc->sc_screamer = (of_compatible(ca->ca_node, screamer) != -1);
361 if (!sc->sc_screamer) {
362 /* look for 'sound' child node */
363 int sound_node;
364
365 sound_node = OF_child(ca->ca_node);
366 while ((sound_node != 0) && (!sc->sc_screamer)) {
367
368 sc->sc_screamer =
369 (of_compatible(sound_node, screamer) != -1);
370 sound_node = OF_peer(sound_node);
371 }
372 }
373
374 if (sc->sc_screamer) {
375 printf(" Screamer");
376 }
377
378 printf(": irq %d,%d,%d\n", cirq, oirq, iirq);
379
380 sc->vol_l = 0;
381 sc->vol_r = 0;
382
383 memcpy(&sc->sc_formats, awacs_formats, sizeof(awacs_formats));
384
385 /* XXX Uni-North based models don't have byteswap capability. */
386 if (OF_finddevice("/uni-n") == -1) {
387
388 sc->sc_flags |= AWACS_CAP_BSWAP;
389 } else {
390
391 AUFMT_INVALIDATE(&sc->sc_formats[AWACS_FORMATS_LE]);
392 }
393
394 sc->sc_soundctl = AWACS_INPUT_SUBFRAME0 | AWACS_OUTPUT_SUBFRAME0 |
395 AWACS_RATE_44100 | AWACS_INTR_PORTCHG;
396 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
397
398 sc->sc_codecctl0 = AWACS_CODEC_ADDR0 | AWACS_CODEC_EMSEL0;
399 sc->sc_codecctl1 = AWACS_CODEC_ADDR1 | AWACS_CODEC_EMSEL0;
400 sc->sc_codecctl2 = AWACS_CODEC_ADDR2 | AWACS_CODEC_EMSEL0;
401 sc->sc_codecctl4 = AWACS_CODEC_ADDR4 | AWACS_CODEC_EMSEL0;
402 sc->sc_codecctl5 = AWACS_CODEC_ADDR5 | AWACS_CODEC_EMSEL0;
403 sc->sc_codecctl6 = AWACS_CODEC_ADDR6 | AWACS_CODEC_EMSEL0;
404 sc->sc_codecctl7 = AWACS_CODEC_ADDR7 | AWACS_CODEC_EMSEL0;
405
406 sc->sc_codecctl0 |= AWACS_INPUT_CD | AWACS_DEFAULT_CD_GAIN;
407 awacs_write_codec(sc, sc->sc_codecctl0);
408
409 /* Set loopthrough for external mixer on beige G3 */
410 sc->sc_codecctl1 |= (AWACS_LOOP_THROUGH | AWACS_PARALLEL_OUTPUT);
411
412 printf("%s: ", sc->sc_dev.dv_xname);
413
414 /*
415 * all(?) awacs have GPIOs to detect if there's something plugged into
416 * the headphone jack. The other GPIOs are either used for other jacks
417 * ( the PB3400c's microphone jack for instance ) or unused.
418 * The problem is that there are at least three different ways how
419 * those GPIOs are wired to the actual jacks.
420 * For now we bother only with headphone detection
421 */
422 perch = OF_finddevice("/perch");
423 root_node = OF_finddevice("/");
424 if (of_compatible(root_node, detect_reversed) != -1) {
425
426 /* 0x02 is for the microphone jack, high active */
427 /*
428 * for some reason the gpio for the headphones jack is low
429 * active on the PB3400 and similar machines
430 */
431 sc->sc_headphones_mask = 0x8;
432 sc->sc_headphones_in = 0x0;
433 } else if (perch != -1) {
434 /*
435 * this is for the beige G3's 'personality card' which uses
436 * yet another wiring of the headphone detect GPIOs
437 */
438 sc->sc_headphones_mask = 0x04;
439 sc->sc_headphones_in = 0x04;
440 } else {
441 /* while on most machines it's high active as well */
442 sc->sc_headphones_mask = 0x8;
443 sc->sc_headphones_in = 0x8;
444 }
445 if (awacs_check_headphones(sc)) {
446
447 /* default output to headphones */
448 printf("headphones\n");
449 sc->sc_output_mask = OUTPUT_HEADPHONES;
450 } else {
451
452 /* default output to speakers */
453 printf("speaker\n");
454 sc->sc_output_mask = OUTPUT_SPEAKER;
455 }
456 sc->sc_output_wanted = sc->sc_output_mask;
457 awacs_select_output(sc, sc->sc_output_mask);
458
459 delay(100);
460 if (sc->sc_screamer) {
461 awacs_write_codec(sc, sc->sc_codecctl6);
462 awacs_write_codec(sc, sc->sc_codecctl5);
463 delay(2);
464 awacs_write_codec(sc, sc->sc_codecctl1);
465 awacs_write_codec(sc, sc->sc_codecctl7);
466 }
467
468 /* default input from CD */
469 sc->sc_record_source = 1 << 0;
470 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
471 sc->sc_codecctl0 |= AWACS_INPUT_CD;
472 awacs_write_codec(sc, sc->sc_codecctl0);
473
474 /* Enable interrupts and looping mode. */
475 /* XXX ... */
476
477 sc->sc_codecctl1 |= (AWACS_LOOP_THROUGH | AWACS_PARALLEL_OUTPUT);
478 awacs_write_codec(sc, sc->sc_codecctl1);
479
480 #if NSGSMIX > 0
481 sc->sc_sgsmix = NULL;
482 #endif
483 sc->sc_have_perch = 0;
484 if (perch != -1) {
485
486 len = OF_getprop(perch, "compatible", compat, 255);
487 if (len > 0) {
488 printf("%s: found '%s' personality card\n",
489 sc->sc_dev.dv_xname, compat);
490 sc->sc_have_perch = 1;
491 config_finalize_register(&sc->sc_dev, awacs_setup_sgsmix);
492 }
493 }
494
495 /* Set initial volume[s] */
496 awacs_set_volume(sc, 144, 144);
497 awacs_set_loopthrough_volume(sc, 255, 255);
498
499 audio_attach_mi(&awacs_hw_if, sc, &sc->sc_dev);
500
501 if (kthread_create(PRI_NONE, 0, NULL, awacs_thread, sc,
502 &sc->sc_thread, "%s", "awacs") != 0) {
503 printf("awacs: unable to create event kthread");
504 }
505 }
506
507 static int
508 awacs_setup_sgsmix(struct device *cookie)
509 {
510 struct awacs_softc *sc = (struct awacs_softc *)cookie;
511 #if NSGSMIX > 0
512 struct device *dv;
513 #endif
514
515 if (!sc->sc_have_perch)
516 return 0;
517 #if NSGSMIX > 0
518 /* look for sgsmix */
519 for (dv = alldevs.tqh_first; dv; dv=dv->dv_list.tqe_next) {
520 if (device_is_a(dv, "sgsmix")) {
521 sc->sc_sgsmix = dv;
522 break;
523 }
524 }
525 if (sc->sc_sgsmix == NULL)
526 return 0;
527
528 printf("%s: using %s\n", sc->sc_dev.dv_xname,
529 sc->sc_sgsmix->dv_xname);
530
531 awacs_select_output(sc, sc->sc_output_mask);
532 awacs_set_volume(sc, sc->vol_l, sc->vol_r);
533 awacs_set_bass(sc, 128);
534 awacs_set_treble(sc, 128);
535 wakeup(&sc->sc_event);
536 #endif
537 return 0;
538 }
539
540
541 static inline u_int
542 awacs_read_reg(struct awacs_softc *sc, int reg)
543 {
544 char *addr;
545
546 addr = sc->sc_reg;
547 return in32rb(addr + reg);
548 }
549
550 static inline void
551 awacs_write_reg(struct awacs_softc *sc, int reg, int val)
552 {
553 char *addr;
554
555 addr = sc->sc_reg;
556 out32rb(addr + reg, val);
557 }
558
559 static void
560 awacs_write_codec(struct awacs_softc *sc, int value)
561 {
562
563 do {
564 delay(100);
565 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
566
567 awacs_write_reg(sc, AWACS_CODEC_CTRL, value);
568
569 do {
570 delay(100);
571 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
572 }
573
574 static int
575 awacs_intr(void *v)
576 {
577 struct awacs_softc *sc;
578 struct dbdma_command *cmd;
579 int count;
580 int status;
581
582 sc = v;
583 cmd = sc->sc_odmacmd;
584 count = sc->sc_opages;
585 /* Fill used buffer(s). */
586 while (count-- > 0) {
587 /* if DBDMA_INT_ALWAYS */
588 if (in16rb(&cmd->d_command) & 0x30) { /* XXX */
589 status = in16rb(&cmd->d_status);
590 cmd->d_status = 0;
591 if (status) /* status == 0x8400 */
592 if (sc->sc_ointr)
593 (*sc->sc_ointr)(sc->sc_oarg);
594 }
595 cmd++;
596 }
597
598 return 1;
599 }
600
601 /*
602 * Close function is called at splaudio().
603 */
604 static void
605 awacs_close(void *h)
606 {
607 struct awacs_softc *sc;
608
609 sc = h;
610 awacs_halt_output(sc);
611 awacs_halt_input(sc);
612
613 sc->sc_ointr = 0;
614 sc->sc_iintr = 0;
615 }
616
617 static int
618 awacs_query_encoding(void *h, struct audio_encoding *ae)
619 {
620 struct awacs_softc *sc;
621
622 sc = h;
623 ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
624
625 switch (ae->index) {
626 case 0:
627 strcpy(ae->name, AudioEslinear);
628 ae->encoding = AUDIO_ENCODING_SLINEAR;
629 ae->precision = 16;
630 ae->flags = 0;
631 return 0;
632 case 1:
633 strcpy(ae->name, AudioEslinear_be);
634 ae->encoding = AUDIO_ENCODING_SLINEAR_BE;
635 ae->precision = 16;
636 ae->flags = 0;
637 return 0;
638 case 2:
639 strcpy(ae->name, AudioEslinear_le);
640 ae->encoding = AUDIO_ENCODING_SLINEAR_LE;
641 ae->precision = 16;
642 if (sc->sc_flags & AWACS_CAP_BSWAP)
643 ae->flags = 0;
644 return 0;
645 case 3:
646 strcpy(ae->name, AudioEulinear_be);
647 ae->encoding = AUDIO_ENCODING_ULINEAR_BE;
648 ae->precision = 16;
649 return 0;
650 case 4:
651 strcpy(ae->name, AudioEulinear_le);
652 ae->encoding = AUDIO_ENCODING_ULINEAR_LE;
653 ae->precision = 16;
654 return 0;
655 case 5:
656 strcpy(ae->name, AudioEmulaw);
657 ae->encoding = AUDIO_ENCODING_ULAW;
658 ae->precision = 8;
659 return 0;
660 case 6:
661 strcpy(ae->name, AudioEalaw);
662 ae->encoding = AUDIO_ENCODING_ALAW;
663 ae->precision = 8;
664 return 0;
665 default:
666 return EINVAL;
667 }
668 }
669
670 static int
671 awacs_set_params(void *h, int setmode, int usemode,
672 audio_params_t *play, audio_params_t *rec,
673 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
674 {
675 struct awacs_softc *sc;
676 audio_params_t *p;
677 stream_filter_list_t *fil;
678 int mode, i;
679
680 sc = h;
681 p = NULL;
682 /*
683 * This device only has one clock, so make the sample rates match.
684 */
685 if (play->sample_rate != rec->sample_rate &&
686 usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
687 if (setmode == AUMODE_PLAY) {
688 rec->sample_rate = play->sample_rate;
689 setmode |= AUMODE_RECORD;
690 } else if (setmode == AUMODE_RECORD) {
691 play->sample_rate = rec->sample_rate;
692 setmode |= AUMODE_PLAY;
693 } else
694 return EINVAL;
695 }
696
697 for (mode = AUMODE_RECORD; mode != -1;
698 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
699 if ((setmode & mode) == 0)
700 continue;
701
702 p = mode == AUMODE_PLAY ? play : rec;
703 fil = mode == AUMODE_PLAY ? pfil : rfil;
704 switch (p->sample_rate) {
705 case 48000: /* aurateconv */
706 case 44100:
707 case 29400:
708 case 22050:
709 case 17640:
710 case 14700:
711 case 11025:
712 case 8820:
713 case 8000: /* aurateconv */
714 case 7350:
715 break;
716 default:
717 return EINVAL;
718 }
719 awacs_write_reg(sc, AWACS_BYTE_SWAP, 0);
720 i = auconv_set_converter(sc->sc_formats, AWACS_NFORMATS,
721 mode, p, true, fil);
722 if (i < 0)
723 return EINVAL;
724 if (i == AWACS_FORMATS_LE)
725 awacs_write_reg(sc, AWACS_BYTE_SWAP, 1);
726 if (fil->req_size > 0)
727 p = &fil->filters[0].param;
728 if (awacs_set_rate(sc, p))
729 return EINVAL;
730 }
731 return 0;
732 }
733
734 static int
735 awacs_round_blocksize(void *h, int size, int mode, const audio_params_t *param)
736 {
737
738 if (size < PAGE_SIZE)
739 size = PAGE_SIZE;
740 return size & ~PGOFSET;
741 }
742
743 static int
744 awacs_halt_output(void *h)
745 {
746 struct awacs_softc *sc;
747
748 sc = h;
749 dbdma_stop(sc->sc_odma);
750 dbdma_reset(sc->sc_odma);
751 return 0;
752 }
753
754 static int
755 awacs_halt_input(void *h)
756 {
757 struct awacs_softc *sc;
758
759 sc = h;
760 dbdma_stop(sc->sc_idma);
761 dbdma_reset(sc->sc_idma);
762 return 0;
763 }
764
765 static int
766 awacs_getdev(void *h, struct audio_device *retp)
767 {
768
769 *retp = awacs_device;
770 return 0;
771 }
772
773 enum {
774 AWACS_MONITOR_CLASS,
775 AWACS_OUTPUT_CLASS,
776 AWACS_RECORD_CLASS,
777 AWACS_OUTPUT_SELECT,
778 AWACS_VOL_MASTER,
779 AWACS_INPUT_SELECT,
780 AWACS_VOL_INPUT,
781 AWACS_BASS,
782 AWACS_TREBLE,
783 AWACS_ENUM_LAST
784 };
785
786 static int
787 awacs_set_port(void *h, mixer_ctrl_t *mc)
788 {
789 struct awacs_softc *sc;
790 int l, r;
791
792 DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type);
793 sc = h;
794 l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
795 r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
796
797 switch (mc->dev) {
798 case AWACS_OUTPUT_SELECT:
799 /* No change necessary? */
800 if (mc->un.mask == sc->sc_output_mask)
801 return 0;
802 awacs_select_output(sc, mc->un.mask);
803 return 0;
804
805 case AWACS_VOL_MASTER:
806 awacs_set_volume(sc, l, r);
807 return 0;
808
809 case AWACS_INPUT_SELECT:
810 /* no change necessary? */
811 if (mc->un.mask == sc->sc_record_source)
812 return 0;
813 switch (mc->un.mask) {
814 case 1 << 0: /* CD */
815 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
816 sc->sc_codecctl0 |= AWACS_INPUT_CD;
817 awacs_write_codec(sc, sc->sc_codecctl0);
818 break;
819 case 1 << 1: /* microphone */
820 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
821 sc->sc_codecctl0 |= AWACS_INPUT_MICROPHONE;
822 awacs_write_codec(sc, sc->sc_codecctl0);
823 break;
824 case 1 << 2: /* line in */
825 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
826 sc->sc_codecctl0 |= AWACS_INPUT_LINE;
827 awacs_write_codec(sc, sc->sc_codecctl0);
828 break;
829 default: /* invalid argument */
830 return EINVAL;
831 }
832 sc->sc_record_source = mc->un.mask;
833 return 0;
834
835 case AWACS_VOL_INPUT:
836 sc->sc_codecctl0 &= ~0xff;
837 sc->sc_codecctl0 |= (l & 0xf0) | (r >> 4);
838 awacs_write_codec(sc, sc->sc_codecctl0);
839 return 0;
840
841 #if NSGSMIX > 0
842 case AWACS_BASS:
843 awacs_set_bass(sc, l);
844 return 0;
845
846 case AWACS_TREBLE:
847 awacs_set_treble(sc, l);
848 return 0;
849 #endif
850 }
851
852 return ENXIO;
853 }
854
855 static int
856 awacs_get_port(void *h, mixer_ctrl_t *mc)
857 {
858 struct awacs_softc *sc;
859 int l, r, vol;
860
861 sc = h;
862 switch (mc->dev) {
863 case AWACS_OUTPUT_SELECT:
864 mc->un.mask = sc->sc_output_mask;
865 return 0;
866
867 case AWACS_VOL_MASTER:
868 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->vol_l;
869 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->vol_r;
870 return 0;
871
872 case AWACS_INPUT_SELECT:
873 mc->un.mask = sc->sc_record_source;
874 return 0;
875
876 case AWACS_VOL_INPUT:
877 vol = sc->sc_codecctl0 & 0xff;
878 l = (vol & 0xf0);
879 r = (vol & 0x0f) << 4;
880 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
881 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
882 return 0;
883 #if NSGSMIX > 0
884 case AWACS_BASS:
885 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_bass;
886 return 0;
887
888 case AWACS_TREBLE:
889 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_treble;
890 return 0;
891 #endif
892
893 default:
894 return ENXIO;
895 }
896
897 return 0;
898 }
899
900 static int
901 awacs_query_devinfo(void *h, mixer_devinfo_t *dip)
902 {
903 #if NSGSMIX > 0
904 struct awacs_softc *sc = h;
905 #endif
906
907 switch (dip->index) {
908
909 case AWACS_OUTPUT_SELECT:
910 dip->mixer_class = AWACS_MONITOR_CLASS;
911 strcpy(dip->label.name, AudioNoutput);
912 dip->type = AUDIO_MIXER_SET;
913 dip->prev = dip->next = AUDIO_MIXER_LAST;
914 dip->un.s.num_mem = 2;
915 strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
916 dip->un.s.member[0].mask = 1 << 0;
917 strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
918 dip->un.s.member[1].mask = 1 << 1;
919 return 0;
920
921 case AWACS_VOL_MASTER:
922 dip->mixer_class = AWACS_MONITOR_CLASS;
923 strcpy(dip->label.name, AudioNmaster);
924 dip->type = AUDIO_MIXER_VALUE;
925 dip->prev = dip->next = AUDIO_MIXER_LAST;
926 dip->un.v.num_channels = 2;
927 strcpy(dip->un.v.units.name, AudioNvolume);
928 return 0;
929
930 #if NSGSMIX > 0
931 case AWACS_BASS:
932 if (sc->sc_sgsmix == NULL)
933 return ENXIO;
934 dip->mixer_class = AWACS_MONITOR_CLASS;
935 strcpy(dip->label.name, AudioNbass);
936 dip->type = AUDIO_MIXER_VALUE;
937 dip->prev = dip->next = AUDIO_MIXER_LAST;
938 dip->un.v.num_channels = 1;
939 strcpy(dip->un.v.units.name, AudioNbass);
940 return 0;
941
942 case AWACS_TREBLE:
943 if (sc->sc_sgsmix == NULL)
944 return ENXIO;
945 dip->mixer_class = AWACS_MONITOR_CLASS;
946 strcpy(dip->label.name, AudioNtreble);
947 dip->type = AUDIO_MIXER_VALUE;
948 dip->prev = dip->next = AUDIO_MIXER_LAST;
949 dip->un.v.num_channels = 1;
950 strcpy(dip->un.v.units.name, AudioNtreble);
951 return 0;
952 #endif
953
954 case AWACS_INPUT_SELECT:
955 dip->mixer_class = AWACS_RECORD_CLASS;
956 strcpy(dip->label.name, AudioNsource);
957 dip->type = AUDIO_MIXER_SET;
958 dip->prev = dip->next = AUDIO_MIXER_LAST;
959 dip->un.s.num_mem = 3;
960 strcpy(dip->un.s.member[0].label.name, AudioNcd);
961 dip->un.s.member[0].mask = 1 << 0;
962 strcpy(dip->un.s.member[1].label.name, AudioNmicrophone);
963 dip->un.s.member[1].mask = 1 << 1;
964 strcpy(dip->un.s.member[2].label.name, AudioNline);
965 dip->un.s.member[2].mask = 1 << 2;
966 return 0;
967
968 case AWACS_VOL_INPUT:
969 dip->mixer_class = AWACS_RECORD_CLASS;
970 strcpy(dip->label.name, AudioNrecord);
971 dip->type = AUDIO_MIXER_VALUE;
972 dip->prev = dip->next = AUDIO_MIXER_LAST;
973 dip->un.v.num_channels = 2;
974 strcpy(dip->un.v.units.name, AudioNvolume);
975 return 0;
976
977 case AWACS_MONITOR_CLASS:
978 dip->mixer_class = AWACS_MONITOR_CLASS;
979 strcpy(dip->label.name, AudioCmonitor);
980 dip->type = AUDIO_MIXER_CLASS;
981 dip->next = dip->prev = AUDIO_MIXER_LAST;
982 return 0;
983
984 case AWACS_OUTPUT_CLASS:
985 dip->mixer_class = AWACS_OUTPUT_CLASS;
986 strcpy(dip->label.name, AudioCoutputs);
987 dip->type = AUDIO_MIXER_CLASS;
988 dip->next = dip->prev = AUDIO_MIXER_LAST;
989 return 0;
990
991 case AWACS_RECORD_CLASS:
992 dip->mixer_class = AWACS_RECORD_CLASS;
993 strcpy(dip->label.name, AudioCrecord);
994 dip->type = AUDIO_MIXER_CLASS;
995 dip->next = dip->prev = AUDIO_MIXER_LAST;
996 return 0;
997 }
998
999 return ENXIO;
1000 }
1001
1002 static size_t
1003 awacs_round_buffersize(void *h, int dir, size_t size)
1004 {
1005
1006 if (size > 65536)
1007 size = 65536;
1008 return size;
1009 }
1010
1011 static paddr_t
1012 awacs_mappage(void *h, void *mem, off_t off, int prot)
1013 {
1014
1015 if (off < 0)
1016 return -1;
1017 return -1; /* XXX */
1018 }
1019
1020 static int
1021 awacs_get_props(void *h)
1022 {
1023 return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
1024 }
1025
1026 static int
1027 awacs_trigger_output(void *h, void *start, void *end, int bsize,
1028 void (*intr)(void *), void *arg,
1029 const audio_params_t *param)
1030 {
1031 struct awacs_softc *sc;
1032 struct dbdma_command *cmd;
1033 vaddr_t va;
1034 int i, len, intmode;
1035
1036 DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
1037 sc = h;
1038 cmd = sc->sc_odmacmd;
1039 sc->sc_ointr = intr;
1040 sc->sc_oarg = arg;
1041 sc->sc_opages = ((char *)end - (char *)start) / PAGE_SIZE;
1042
1043 #ifdef DIAGNOSTIC
1044 if (sc->sc_opages > 16)
1045 panic("awacs_trigger_output");
1046 #endif
1047
1048 va = (vaddr_t)start;
1049 len = 0;
1050 for (i = sc->sc_opages; i > 0; i--) {
1051 len += PAGE_SIZE;
1052 if (len < bsize)
1053 intmode = DBDMA_INT_NEVER;
1054 else {
1055 len = 0;
1056 intmode = DBDMA_INT_ALWAYS;
1057 }
1058
1059 DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, PAGE_SIZE, vtophys(va),
1060 intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
1061 va += PAGE_SIZE;
1062 cmd++;
1063 }
1064
1065 DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
1066 DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
1067 dbdma_st32(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
1068
1069 dbdma_start(sc->sc_odma, sc->sc_odmacmd);
1070
1071 return 0;
1072 }
1073
1074 static int
1075 awacs_trigger_input(void *h, void *start, void *end, int bsize,
1076 void (*intr)(void *), void *arg,
1077 const audio_params_t *param)
1078 {
1079
1080 DPRINTF("awacs_trigger_input called\n");
1081 return 1;
1082 }
1083
1084 static void
1085 awacs_select_output(struct awacs_softc *sc, int mask)
1086 {
1087
1088 #if NSGSMIX > 0
1089 if (sc->sc_sgsmix) {
1090 if (mask & OUTPUT_HEADPHONES) {
1091 /* mute speakers */
1092 sgsmix_set_speaker_vol(sc->sc_sgsmix, 0, 0);
1093 sgsmix_set_headphone_vol(sc->sc_sgsmix,
1094 sc->vol_l, sc->vol_r);
1095 }
1096 if (mask & OUTPUT_SPEAKER) {
1097 /* mute headphones */
1098 sgsmix_set_speaker_vol(sc->sc_sgsmix,
1099 sc->vol_l, sc->vol_r);
1100 sgsmix_set_headphone_vol(sc->sc_sgsmix, 0, 0);
1101 }
1102 } else {
1103 #endif
1104 sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER | AWACS_MUTE_HEADPHONE;
1105 if ((sc->vol_l > 0) || (sc->vol_r > 0)) {
1106 if (mask & OUTPUT_SPEAKER)
1107 sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
1108 if (mask & OUTPUT_HEADPHONES)
1109 sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE;
1110 }
1111 awacs_write_codec(sc, sc->sc_codecctl1);
1112 #if NSGSMIX > 0
1113 }
1114 #endif
1115 sc->sc_output_mask = mask;
1116 }
1117
1118 static void
1119 awacs_set_speaker_volume(struct awacs_softc *sc, int left, int right)
1120 {
1121
1122 #if NSGSMIX > 0
1123 if (sc->sc_sgsmix) {
1124 if (sc->sc_output_mask & OUTPUT_SPEAKER)
1125 sgsmix_set_speaker_vol(sc->sc_sgsmix, left, right);
1126 } else
1127 #endif
1128 {
1129 int lval;
1130 int rval;
1131 uint32_t codecctl = sc->sc_codecctl1;
1132
1133 lval = 15 - ((left & 0xf0) >> 4);
1134 rval = 15 - ((right & 0xf0) >> 4);
1135 DPRINTF("speaker_volume %d %d\n", lval, rval);
1136
1137 sc->sc_codecctl4 &= ~0x3cf;
1138 sc->sc_codecctl4 |= (lval << 6) | rval;
1139 awacs_write_codec(sc, sc->sc_codecctl4);
1140 if ((left == 0) && (right == 0)) {
1141 /*
1142 * max. attenuation doesn't mean silence so we need to
1143 * mute the output channel here
1144 */
1145 codecctl |= AWACS_MUTE_SPEAKER;
1146 } else if (sc->sc_output_mask & OUTPUT_SPEAKER) {
1147 codecctl &= ~AWACS_MUTE_SPEAKER;
1148 }
1149
1150 if (codecctl != sc->sc_codecctl1) {
1151
1152 sc->sc_codecctl1 = codecctl;
1153 awacs_write_codec(sc, sc->sc_codecctl1);
1154 }
1155 }
1156 }
1157
1158 static void
1159 awacs_set_ext_volume(struct awacs_softc *sc, int left, int right)
1160 {
1161
1162 #if NSGSMIX > 0
1163 if (sc->sc_sgsmix) {
1164 if (sc->sc_output_mask & OUTPUT_HEADPHONES)
1165 sgsmix_set_headphone_vol(sc->sc_sgsmix, left, right);
1166 } else
1167 #endif
1168 {
1169 int lval;
1170 int rval;
1171 uint32_t codecctl = sc->sc_codecctl1;
1172
1173 lval = 15 - ((left & 0xf0) >> 4);
1174 rval = 15 - ((right & 0xf0) >> 4);
1175 DPRINTF("ext_volume %d %d\n", lval, rval);
1176
1177 sc->sc_codecctl2 &= ~0x3cf;
1178 sc->sc_codecctl2 |= (lval << 6) | rval;
1179 awacs_write_codec(sc, sc->sc_codecctl2);
1180
1181 if ((left == 0) && (right == 0)) {
1182 /*
1183 * max. attenuation doesn't mean silence so we need to
1184 * mute the output channel here
1185 */
1186 codecctl |= AWACS_MUTE_HEADPHONE;
1187 } else if (sc->sc_output_mask & OUTPUT_HEADPHONES) {
1188
1189 codecctl &= ~AWACS_MUTE_HEADPHONE;
1190 }
1191
1192 if (codecctl != sc->sc_codecctl1) {
1193
1194 sc->sc_codecctl1 = codecctl;
1195 awacs_write_codec(sc, sc->sc_codecctl1);
1196 }
1197 }
1198 }
1199
1200 static void
1201 awacs_set_volume(struct awacs_softc *sc, int left, int right)
1202 {
1203
1204 awacs_set_ext_volume(sc, left, right);
1205 awacs_set_speaker_volume(sc, left, right);
1206
1207 sc->vol_l = left;
1208 sc->vol_r = right;
1209 }
1210
1211 #if NSGSMIX > 0
1212 static void
1213 awacs_set_bass(struct awacs_softc *sc, int bass)
1214 {
1215
1216 if (sc->sc_bass == bass)
1217 return;
1218
1219 sc->sc_bass = bass;
1220 if (sc->sc_sgsmix)
1221 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass, sc->sc_treble);
1222 }
1223
1224 static void
1225 awacs_set_treble(struct awacs_softc *sc, int treble)
1226 {
1227
1228 if (sc->sc_treble == treble)
1229 return;
1230
1231 sc->sc_treble = treble;
1232 if (sc->sc_sgsmix)
1233 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass, sc->sc_treble);
1234 }
1235 #endif
1236
1237 void
1238 awacs_set_loopthrough_volume(struct awacs_softc *sc, int left, int right)
1239 {
1240 int lval;
1241 int rval;
1242
1243 lval = 15 - ((left & 0xff) >> 4);
1244 rval = 15 - ((right & 0xff) >> 4);
1245 DPRINTF("loopthrough_volume %d %d\n", lval, rval);
1246
1247 sc->sc_codecctl5 &= ~0x3cf;
1248 sc->sc_codecctl5 |= (lval << 6) | rval;
1249 awacs_write_codec(sc, sc->sc_codecctl5);
1250 }
1251
1252 int
1253 awacs_set_rate(struct awacs_softc *sc, const audio_params_t *p)
1254 {
1255 int c;
1256
1257 switch (p->sample_rate) {
1258 case 44100:
1259 c = AWACS_RATE_44100;
1260 break;
1261 case 29400:
1262 c = AWACS_RATE_29400;
1263 break;
1264 case 22050:
1265 c = AWACS_RATE_22050;
1266 break;
1267 case 17640:
1268 c = AWACS_RATE_17640;
1269 break;
1270 case 14700:
1271 c = AWACS_RATE_14700;
1272 break;
1273 case 11025:
1274 c = AWACS_RATE_11025;
1275 break;
1276 case 8820:
1277 c = AWACS_RATE_8820;
1278 break;
1279 case 7350:
1280 c = AWACS_RATE_7350;
1281 break;
1282 default:
1283 return -1;
1284 }
1285
1286 sc->sc_soundctl &= ~AWACS_RATE_MASK;
1287 sc->sc_soundctl |= c;
1288 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
1289
1290 return 0;
1291 }
1292
1293 static int
1294 awacs_check_headphones(struct awacs_softc *sc)
1295 {
1296 uint32_t reg;
1297 reg = awacs_read_reg(sc, AWACS_CODEC_STATUS);
1298 DPRINTF("%s: codec status reg %08x\n", sc->sc_dev.dv_xname, reg);
1299 return ((reg & sc->sc_headphones_mask) == sc->sc_headphones_in);
1300 }
1301
1302 static int
1303 awacs_status_intr(void *cookie)
1304 {
1305 struct awacs_softc *sc = cookie;
1306 int mask;
1307
1308 mask = awacs_check_headphones(sc) ? OUTPUT_HEADPHONES : OUTPUT_SPEAKER;
1309 if (mask != sc->sc_output_mask) {
1310
1311 sc->sc_output_wanted = mask;
1312 wakeup(&sc->sc_event);
1313 }
1314 /* clear the interrupt */
1315 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl | AWACS_PORTCHG);
1316 return 1;
1317 }
1318
1319 static void
1320 awacs_thread(void *cookie)
1321 {
1322 struct awacs_softc *sc = cookie;
1323
1324 while (1) {
1325 tsleep(&sc->sc_event, PWAIT, "awacs_wait", hz);
1326 if (sc->sc_output_wanted == sc->sc_output_mask)
1327 continue;
1328
1329 awacs_select_output(sc, sc->sc_output_wanted);
1330 DPRINTF("%s: switching to %s\n", sc->sc_dev.dv_xname,
1331 (sc->sc_output_wanted & OUTPUT_SPEAKER) ?
1332 "speaker" : "headphones");
1333 }
1334 }
1335