awacs.c revision 1.29.8.2 1 /* $NetBSD: awacs.c,v 1.29.8.2 2007/10/26 15:42:45 joerg 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 1.29.8.2 2007/10/26 15:42:45 joerg 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 const char *use_gpio4[] = { "PowerMac3,3",
282 NULL};
283
284 static int
285 awacs_match(struct device *parent, struct cfdata *match, void *aux)
286 {
287 struct confargs *ca;
288
289 ca = aux;
290
291 if (strcmp(ca->ca_name, "awacs") == 0 ||
292 strcmp(ca->ca_name, "davbus") == 0)
293 return 100;
294
295 if (ca->ca_nreg < 24 || ca->ca_nintr < 12)
296 return 0;
297
298 if (strcmp(ca->ca_name, "i2s") == 0)
299 return 1;
300
301 return 0;
302 }
303
304 static void
305 awacs_attach(struct device *parent, struct device *self, void *aux)
306 {
307 struct awacs_softc *sc;
308 struct confargs *ca;
309 int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type;
310 int len = -1, perch;
311 int root_node;
312 char compat[256];
313
314 sc = (struct awacs_softc *)self;
315 ca = aux;
316
317 sc->sc_reg = mapiodev(ca->ca_baseaddr + ca->ca_reg[0], ca->ca_reg[1]);
318
319 /* out */
320 sc->sc_odma = mapiodev(ca->ca_baseaddr + ca->ca_reg[2], ca->ca_reg[3]);
321 sc->sc_odmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
322 /* in */
323 sc->sc_idma = mapiodev(ca->ca_baseaddr + ca->ca_reg[4], ca->ca_reg[5]);
324 sc->sc_idmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
325
326 if (strcmp(ca->ca_name, "i2s") == 0) {
327 int node, intr[6];
328
329 node = OF_child(ca->ca_node);
330 if (node == 0) {
331 printf("no i2s-a child\n");
332 return;
333 }
334 if (OF_getprop(node, "interrupts", intr, sizeof(intr)) == -1) {
335 printf("no interrupt property\n");
336 return;
337 }
338
339 cirq = intr[0];
340 oirq = intr[2];
341 iirq = intr[4];
342 cirq_type = intr[1] ? IST_LEVEL : IST_EDGE;
343 oirq_type = intr[3] ? IST_LEVEL : IST_EDGE;
344 iirq_type = intr[5] ? IST_LEVEL : IST_EDGE;
345 } else if (ca->ca_nintr == 24) {
346 cirq = ca->ca_intr[0];
347 oirq = ca->ca_intr[2];
348 iirq = ca->ca_intr[4];
349 cirq_type = ca->ca_intr[1] ? IST_LEVEL : IST_EDGE;
350 oirq_type = ca->ca_intr[3] ? IST_LEVEL : IST_EDGE;
351 iirq_type = ca->ca_intr[5] ? IST_LEVEL : IST_EDGE;
352 } else {
353 cirq = ca->ca_intr[0];
354 oirq = ca->ca_intr[1];
355 iirq = ca->ca_intr[2];
356 cirq_type = oirq_type = iirq_type = IST_EDGE;
357 }
358
359 intr_establish(cirq, cirq_type, IPL_BIO, awacs_status_intr, sc);
360 intr_establish(oirq, oirq_type, IPL_AUDIO, awacs_intr, sc);
361 intr_establish(iirq, iirq_type, IPL_AUDIO, awacs_intr, sc);
362
363 /* check if the chip is a screamer */
364 sc->sc_screamer = (of_compatible(ca->ca_node, screamer) != -1);
365 if (!sc->sc_screamer) {
366 /* look for 'sound' child node */
367 int sound_node;
368
369 sound_node = OF_child(ca->ca_node);
370 while ((sound_node != 0) && (!sc->sc_screamer)) {
371
372 sc->sc_screamer =
373 (of_compatible(sound_node, screamer) != -1);
374 sound_node = OF_peer(sound_node);
375 }
376 }
377
378 if (sc->sc_screamer) {
379 printf(" Screamer");
380 }
381
382 printf(": irq %d,%d,%d\n", cirq, oirq, iirq);
383
384 sc->vol_l = 0;
385 sc->vol_r = 0;
386
387 memcpy(&sc->sc_formats, awacs_formats, sizeof(awacs_formats));
388
389 /* XXX Uni-North based models don't have byteswap capability. */
390 if (OF_finddevice("/uni-n") == -1) {
391
392 sc->sc_flags |= AWACS_CAP_BSWAP;
393 } else {
394
395 AUFMT_INVALIDATE(&sc->sc_formats[AWACS_FORMATS_LE]);
396 }
397
398 sc->sc_soundctl = AWACS_INPUT_SUBFRAME0 | AWACS_OUTPUT_SUBFRAME0 |
399 AWACS_RATE_44100 | AWACS_INTR_PORTCHG;
400 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
401
402 sc->sc_codecctl0 = AWACS_CODEC_ADDR0 | AWACS_CODEC_EMSEL0;
403 sc->sc_codecctl1 = AWACS_CODEC_ADDR1 | AWACS_CODEC_EMSEL0;
404 sc->sc_codecctl2 = AWACS_CODEC_ADDR2 | AWACS_CODEC_EMSEL0;
405 sc->sc_codecctl4 = AWACS_CODEC_ADDR4 | AWACS_CODEC_EMSEL0;
406 sc->sc_codecctl5 = AWACS_CODEC_ADDR5 | AWACS_CODEC_EMSEL0;
407 sc->sc_codecctl6 = AWACS_CODEC_ADDR6 | AWACS_CODEC_EMSEL0;
408 sc->sc_codecctl7 = AWACS_CODEC_ADDR7 | AWACS_CODEC_EMSEL0;
409
410 sc->sc_codecctl0 |= AWACS_INPUT_CD | AWACS_DEFAULT_CD_GAIN;
411 awacs_write_codec(sc, sc->sc_codecctl0);
412
413 /* Set loopthrough for external mixer on beige G3 */
414 sc->sc_codecctl1 |= (AWACS_LOOP_THROUGH | AWACS_PARALLEL_OUTPUT);
415
416 printf("%s: ", sc->sc_dev.dv_xname);
417
418 /*
419 * all(?) awacs have GPIOs to detect if there's something plugged into
420 * the headphone jack. The other GPIOs are either used for other jacks
421 * ( the PB3400c's microphone jack for instance ) or unused.
422 * The problem is that there are at least three different ways how
423 * those GPIOs are wired to the actual jacks.
424 * For now we bother only with headphone detection
425 */
426 perch = OF_finddevice("/perch");
427 root_node = OF_finddevice("/");
428 if (of_compatible(root_node, detect_reversed) != -1) {
429
430 /* 0x02 is for the microphone jack, high active */
431 /*
432 * for some reason the gpio for the headphones jack is low
433 * active on the PB3400 and similar machines
434 */
435 sc->sc_headphones_mask = 0x8;
436 sc->sc_headphones_in = 0x0;
437 } else if ((perch != -1) ||
438 (of_compatible(root_node, use_gpio4) != -1)) {
439 /*
440 * this is for the beige G3's 'personality card' which uses
441 * yet another wiring of the headphone detect GPIOs
442 * some G4s use it as well
443 */
444 sc->sc_headphones_mask = 0x04;
445 sc->sc_headphones_in = 0x04;
446 } else {
447 /* while on most machines it's high active as well */
448 sc->sc_headphones_mask = 0x8;
449 sc->sc_headphones_in = 0x8;
450 }
451 if (awacs_check_headphones(sc)) {
452
453 /* default output to headphones */
454 printf("headphones\n");
455 sc->sc_output_mask = OUTPUT_HEADPHONES;
456 } else {
457
458 /* default output to speakers */
459 printf("speaker\n");
460 sc->sc_output_mask = OUTPUT_SPEAKER;
461 }
462 sc->sc_output_wanted = sc->sc_output_mask;
463 awacs_select_output(sc, sc->sc_output_mask);
464
465 delay(100);
466 if (sc->sc_screamer) {
467 awacs_write_codec(sc, sc->sc_codecctl6);
468 awacs_write_codec(sc, sc->sc_codecctl5);
469 delay(2);
470 awacs_write_codec(sc, sc->sc_codecctl1);
471 awacs_write_codec(sc, sc->sc_codecctl7);
472 }
473
474 /* default input from CD */
475 sc->sc_record_source = 1 << 0;
476 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
477 sc->sc_codecctl0 |= AWACS_INPUT_CD;
478 awacs_write_codec(sc, sc->sc_codecctl0);
479
480 /* Enable interrupts and looping mode. */
481 /* XXX ... */
482
483 sc->sc_codecctl1 |= (AWACS_LOOP_THROUGH | AWACS_PARALLEL_OUTPUT);
484 awacs_write_codec(sc, sc->sc_codecctl1);
485
486 #if NSGSMIX > 0
487 sc->sc_sgsmix = NULL;
488 #endif
489 sc->sc_have_perch = 0;
490 if (perch != -1) {
491
492 len = OF_getprop(perch, "compatible", compat, 255);
493 if (len > 0) {
494 printf("%s: found '%s' personality card\n",
495 sc->sc_dev.dv_xname, compat);
496 sc->sc_have_perch = 1;
497 config_finalize_register(&sc->sc_dev, awacs_setup_sgsmix);
498 }
499 }
500
501 /* Set initial volume[s] */
502 awacs_set_volume(sc, 144, 144);
503 awacs_set_loopthrough_volume(sc, 255, 255);
504
505 audio_attach_mi(&awacs_hw_if, sc, &sc->sc_dev);
506
507 if (kthread_create(PRI_NONE, 0, NULL, awacs_thread, sc,
508 &sc->sc_thread, "%s", "awacs") != 0) {
509 printf("awacs: unable to create event kthread");
510 }
511 }
512
513 static int
514 awacs_setup_sgsmix(struct device *cookie)
515 {
516 struct awacs_softc *sc = (struct awacs_softc *)cookie;
517 #if NSGSMIX > 0
518 struct device *dv;
519 #endif
520
521 if (!sc->sc_have_perch)
522 return 0;
523 #if NSGSMIX > 0
524 /* look for sgsmix */
525 for (dv = alldevs.tqh_first; dv; dv=dv->dv_list.tqe_next) {
526 if (device_is_a(dv, "sgsmix")) {
527 sc->sc_sgsmix = dv;
528 break;
529 }
530 }
531 if (sc->sc_sgsmix == NULL)
532 return 0;
533
534 printf("%s: using %s\n", sc->sc_dev.dv_xname,
535 sc->sc_sgsmix->dv_xname);
536
537 awacs_select_output(sc, sc->sc_output_mask);
538 awacs_set_volume(sc, sc->vol_l, sc->vol_r);
539 awacs_set_bass(sc, 128);
540 awacs_set_treble(sc, 128);
541 wakeup(&sc->sc_event);
542 #endif
543 return 0;
544 }
545
546
547 static inline u_int
548 awacs_read_reg(struct awacs_softc *sc, int reg)
549 {
550 char *addr;
551
552 addr = sc->sc_reg;
553 return in32rb(addr + reg);
554 }
555
556 static inline void
557 awacs_write_reg(struct awacs_softc *sc, int reg, int val)
558 {
559 char *addr;
560
561 addr = sc->sc_reg;
562 out32rb(addr + reg, val);
563 }
564
565 static void
566 awacs_write_codec(struct awacs_softc *sc, int value)
567 {
568
569 do {
570 delay(100);
571 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
572
573 awacs_write_reg(sc, AWACS_CODEC_CTRL, value);
574
575 do {
576 delay(100);
577 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
578 }
579
580 static int
581 awacs_intr(void *v)
582 {
583 struct awacs_softc *sc;
584 struct dbdma_command *cmd;
585 int count;
586 int status;
587
588 sc = v;
589 cmd = sc->sc_odmacmd;
590 count = sc->sc_opages;
591 /* Fill used buffer(s). */
592 while (count-- > 0) {
593 /* if DBDMA_INT_ALWAYS */
594 if (in16rb(&cmd->d_command) & 0x30) { /* XXX */
595 status = in16rb(&cmd->d_status);
596 cmd->d_status = 0;
597 if (status) /* status == 0x8400 */
598 if (sc->sc_ointr)
599 (*sc->sc_ointr)(sc->sc_oarg);
600 }
601 cmd++;
602 }
603
604 return 1;
605 }
606
607 /*
608 * Close function is called at splaudio().
609 */
610 static void
611 awacs_close(void *h)
612 {
613 struct awacs_softc *sc;
614
615 sc = h;
616 awacs_halt_output(sc);
617 awacs_halt_input(sc);
618
619 sc->sc_ointr = 0;
620 sc->sc_iintr = 0;
621 }
622
623 static int
624 awacs_query_encoding(void *h, struct audio_encoding *ae)
625 {
626 struct awacs_softc *sc;
627
628 sc = h;
629 ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
630
631 switch (ae->index) {
632 case 0:
633 strcpy(ae->name, AudioEslinear);
634 ae->encoding = AUDIO_ENCODING_SLINEAR;
635 ae->precision = 16;
636 ae->flags = 0;
637 return 0;
638 case 1:
639 strcpy(ae->name, AudioEslinear_be);
640 ae->encoding = AUDIO_ENCODING_SLINEAR_BE;
641 ae->precision = 16;
642 ae->flags = 0;
643 return 0;
644 case 2:
645 strcpy(ae->name, AudioEslinear_le);
646 ae->encoding = AUDIO_ENCODING_SLINEAR_LE;
647 ae->precision = 16;
648 if (sc->sc_flags & AWACS_CAP_BSWAP)
649 ae->flags = 0;
650 return 0;
651 case 3:
652 strcpy(ae->name, AudioEulinear_be);
653 ae->encoding = AUDIO_ENCODING_ULINEAR_BE;
654 ae->precision = 16;
655 return 0;
656 case 4:
657 strcpy(ae->name, AudioEulinear_le);
658 ae->encoding = AUDIO_ENCODING_ULINEAR_LE;
659 ae->precision = 16;
660 return 0;
661 case 5:
662 strcpy(ae->name, AudioEmulaw);
663 ae->encoding = AUDIO_ENCODING_ULAW;
664 ae->precision = 8;
665 return 0;
666 case 6:
667 strcpy(ae->name, AudioEalaw);
668 ae->encoding = AUDIO_ENCODING_ALAW;
669 ae->precision = 8;
670 return 0;
671 default:
672 return EINVAL;
673 }
674 }
675
676 static int
677 awacs_set_params(void *h, int setmode, int usemode,
678 audio_params_t *play, audio_params_t *rec,
679 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
680 {
681 struct awacs_softc *sc;
682 audio_params_t *p;
683 stream_filter_list_t *fil;
684 int mode, i;
685
686 sc = h;
687 p = NULL;
688 /*
689 * This device only has one clock, so make the sample rates match.
690 */
691 if (play->sample_rate != rec->sample_rate &&
692 usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
693 if (setmode == AUMODE_PLAY) {
694 rec->sample_rate = play->sample_rate;
695 setmode |= AUMODE_RECORD;
696 } else if (setmode == AUMODE_RECORD) {
697 play->sample_rate = rec->sample_rate;
698 setmode |= AUMODE_PLAY;
699 } else
700 return EINVAL;
701 }
702
703 for (mode = AUMODE_RECORD; mode != -1;
704 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
705 if ((setmode & mode) == 0)
706 continue;
707
708 p = mode == AUMODE_PLAY ? play : rec;
709 fil = mode == AUMODE_PLAY ? pfil : rfil;
710 switch (p->sample_rate) {
711 case 48000: /* aurateconv */
712 case 44100:
713 case 29400:
714 case 22050:
715 case 17640:
716 case 14700:
717 case 11025:
718 case 8820:
719 case 8000: /* aurateconv */
720 case 7350:
721 break;
722 default:
723 return EINVAL;
724 }
725 awacs_write_reg(sc, AWACS_BYTE_SWAP, 0);
726 i = auconv_set_converter(sc->sc_formats, AWACS_NFORMATS,
727 mode, p, true, fil);
728 if (i < 0)
729 return EINVAL;
730 if (i == AWACS_FORMATS_LE)
731 awacs_write_reg(sc, AWACS_BYTE_SWAP, 1);
732 if (fil->req_size > 0)
733 p = &fil->filters[0].param;
734 if (awacs_set_rate(sc, p))
735 return EINVAL;
736 }
737 return 0;
738 }
739
740 static int
741 awacs_round_blocksize(void *h, int size, int mode, const audio_params_t *param)
742 {
743
744 if (size < PAGE_SIZE)
745 size = PAGE_SIZE;
746 return size & ~PGOFSET;
747 }
748
749 static int
750 awacs_halt_output(void *h)
751 {
752 struct awacs_softc *sc;
753
754 sc = h;
755 dbdma_stop(sc->sc_odma);
756 dbdma_reset(sc->sc_odma);
757 return 0;
758 }
759
760 static int
761 awacs_halt_input(void *h)
762 {
763 struct awacs_softc *sc;
764
765 sc = h;
766 dbdma_stop(sc->sc_idma);
767 dbdma_reset(sc->sc_idma);
768 return 0;
769 }
770
771 static int
772 awacs_getdev(void *h, struct audio_device *retp)
773 {
774
775 *retp = awacs_device;
776 return 0;
777 }
778
779 enum {
780 AWACS_MONITOR_CLASS,
781 AWACS_OUTPUT_CLASS,
782 AWACS_RECORD_CLASS,
783 AWACS_OUTPUT_SELECT,
784 AWACS_VOL_MASTER,
785 AWACS_INPUT_SELECT,
786 AWACS_VOL_INPUT,
787 AWACS_BASS,
788 AWACS_TREBLE,
789 AWACS_ENUM_LAST
790 };
791
792 static int
793 awacs_set_port(void *h, mixer_ctrl_t *mc)
794 {
795 struct awacs_softc *sc;
796 int l, r;
797
798 DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type);
799 sc = h;
800 l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
801 r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
802
803 switch (mc->dev) {
804 case AWACS_OUTPUT_SELECT:
805 /* No change necessary? */
806 if (mc->un.mask == sc->sc_output_mask)
807 return 0;
808 awacs_select_output(sc, mc->un.mask);
809 return 0;
810
811 case AWACS_VOL_MASTER:
812 awacs_set_volume(sc, l, r);
813 return 0;
814
815 case AWACS_INPUT_SELECT:
816 /* no change necessary? */
817 if (mc->un.mask == sc->sc_record_source)
818 return 0;
819 switch (mc->un.mask) {
820 case 1 << 0: /* CD */
821 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
822 sc->sc_codecctl0 |= AWACS_INPUT_CD;
823 awacs_write_codec(sc, sc->sc_codecctl0);
824 break;
825 case 1 << 1: /* microphone */
826 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
827 sc->sc_codecctl0 |= AWACS_INPUT_MICROPHONE;
828 awacs_write_codec(sc, sc->sc_codecctl0);
829 break;
830 case 1 << 2: /* line in */
831 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
832 sc->sc_codecctl0 |= AWACS_INPUT_LINE;
833 awacs_write_codec(sc, sc->sc_codecctl0);
834 break;
835 default: /* invalid argument */
836 return EINVAL;
837 }
838 sc->sc_record_source = mc->un.mask;
839 return 0;
840
841 case AWACS_VOL_INPUT:
842 sc->sc_codecctl0 &= ~0xff;
843 sc->sc_codecctl0 |= (l & 0xf0) | (r >> 4);
844 awacs_write_codec(sc, sc->sc_codecctl0);
845 return 0;
846
847 #if NSGSMIX > 0
848 case AWACS_BASS:
849 awacs_set_bass(sc, l);
850 return 0;
851
852 case AWACS_TREBLE:
853 awacs_set_treble(sc, l);
854 return 0;
855 #endif
856 }
857
858 return ENXIO;
859 }
860
861 static int
862 awacs_get_port(void *h, mixer_ctrl_t *mc)
863 {
864 struct awacs_softc *sc;
865 int l, r, vol;
866
867 sc = h;
868 switch (mc->dev) {
869 case AWACS_OUTPUT_SELECT:
870 mc->un.mask = sc->sc_output_mask;
871 return 0;
872
873 case AWACS_VOL_MASTER:
874 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->vol_l;
875 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->vol_r;
876 return 0;
877
878 case AWACS_INPUT_SELECT:
879 mc->un.mask = sc->sc_record_source;
880 return 0;
881
882 case AWACS_VOL_INPUT:
883 vol = sc->sc_codecctl0 & 0xff;
884 l = (vol & 0xf0);
885 r = (vol & 0x0f) << 4;
886 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
887 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
888 return 0;
889 #if NSGSMIX > 0
890 case AWACS_BASS:
891 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_bass;
892 return 0;
893
894 case AWACS_TREBLE:
895 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_treble;
896 return 0;
897 #endif
898
899 default:
900 return ENXIO;
901 }
902
903 return 0;
904 }
905
906 static int
907 awacs_query_devinfo(void *h, mixer_devinfo_t *dip)
908 {
909 #if NSGSMIX > 0
910 struct awacs_softc *sc = h;
911 #endif
912
913 switch (dip->index) {
914
915 case AWACS_OUTPUT_SELECT:
916 dip->mixer_class = AWACS_MONITOR_CLASS;
917 strcpy(dip->label.name, AudioNoutput);
918 dip->type = AUDIO_MIXER_SET;
919 dip->prev = dip->next = AUDIO_MIXER_LAST;
920 dip->un.s.num_mem = 2;
921 strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
922 dip->un.s.member[0].mask = 1 << 0;
923 strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
924 dip->un.s.member[1].mask = 1 << 1;
925 return 0;
926
927 case AWACS_VOL_MASTER:
928 dip->mixer_class = AWACS_MONITOR_CLASS;
929 strcpy(dip->label.name, AudioNmaster);
930 dip->type = AUDIO_MIXER_VALUE;
931 dip->prev = dip->next = AUDIO_MIXER_LAST;
932 dip->un.v.num_channels = 2;
933 strcpy(dip->un.v.units.name, AudioNvolume);
934 return 0;
935
936 #if NSGSMIX > 0
937 case AWACS_BASS:
938 if (sc->sc_sgsmix == NULL)
939 return ENXIO;
940 dip->mixer_class = AWACS_MONITOR_CLASS;
941 strcpy(dip->label.name, AudioNbass);
942 dip->type = AUDIO_MIXER_VALUE;
943 dip->prev = dip->next = AUDIO_MIXER_LAST;
944 dip->un.v.num_channels = 1;
945 strcpy(dip->un.v.units.name, AudioNbass);
946 return 0;
947
948 case AWACS_TREBLE:
949 if (sc->sc_sgsmix == NULL)
950 return ENXIO;
951 dip->mixer_class = AWACS_MONITOR_CLASS;
952 strcpy(dip->label.name, AudioNtreble);
953 dip->type = AUDIO_MIXER_VALUE;
954 dip->prev = dip->next = AUDIO_MIXER_LAST;
955 dip->un.v.num_channels = 1;
956 strcpy(dip->un.v.units.name, AudioNtreble);
957 return 0;
958 #endif
959
960 case AWACS_INPUT_SELECT:
961 dip->mixer_class = AWACS_RECORD_CLASS;
962 strcpy(dip->label.name, AudioNsource);
963 dip->type = AUDIO_MIXER_SET;
964 dip->prev = dip->next = AUDIO_MIXER_LAST;
965 dip->un.s.num_mem = 3;
966 strcpy(dip->un.s.member[0].label.name, AudioNcd);
967 dip->un.s.member[0].mask = 1 << 0;
968 strcpy(dip->un.s.member[1].label.name, AudioNmicrophone);
969 dip->un.s.member[1].mask = 1 << 1;
970 strcpy(dip->un.s.member[2].label.name, AudioNline);
971 dip->un.s.member[2].mask = 1 << 2;
972 return 0;
973
974 case AWACS_VOL_INPUT:
975 dip->mixer_class = AWACS_RECORD_CLASS;
976 strcpy(dip->label.name, AudioNrecord);
977 dip->type = AUDIO_MIXER_VALUE;
978 dip->prev = dip->next = AUDIO_MIXER_LAST;
979 dip->un.v.num_channels = 2;
980 strcpy(dip->un.v.units.name, AudioNvolume);
981 return 0;
982
983 case AWACS_MONITOR_CLASS:
984 dip->mixer_class = AWACS_MONITOR_CLASS;
985 strcpy(dip->label.name, AudioCmonitor);
986 dip->type = AUDIO_MIXER_CLASS;
987 dip->next = dip->prev = AUDIO_MIXER_LAST;
988 return 0;
989
990 case AWACS_OUTPUT_CLASS:
991 dip->mixer_class = AWACS_OUTPUT_CLASS;
992 strcpy(dip->label.name, AudioCoutputs);
993 dip->type = AUDIO_MIXER_CLASS;
994 dip->next = dip->prev = AUDIO_MIXER_LAST;
995 return 0;
996
997 case AWACS_RECORD_CLASS:
998 dip->mixer_class = AWACS_RECORD_CLASS;
999 strcpy(dip->label.name, AudioCrecord);
1000 dip->type = AUDIO_MIXER_CLASS;
1001 dip->next = dip->prev = AUDIO_MIXER_LAST;
1002 return 0;
1003 }
1004
1005 return ENXIO;
1006 }
1007
1008 static size_t
1009 awacs_round_buffersize(void *h, int dir, size_t size)
1010 {
1011
1012 if (size > 65536)
1013 size = 65536;
1014 return size;
1015 }
1016
1017 static paddr_t
1018 awacs_mappage(void *h, void *mem, off_t off, int prot)
1019 {
1020
1021 if (off < 0)
1022 return -1;
1023 return -1; /* XXX */
1024 }
1025
1026 static int
1027 awacs_get_props(void *h)
1028 {
1029 return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
1030 }
1031
1032 static int
1033 awacs_trigger_output(void *h, void *start, void *end, int bsize,
1034 void (*intr)(void *), void *arg,
1035 const audio_params_t *param)
1036 {
1037 struct awacs_softc *sc;
1038 struct dbdma_command *cmd;
1039 vaddr_t va;
1040 int i, len, intmode;
1041
1042 DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
1043 sc = h;
1044 cmd = sc->sc_odmacmd;
1045 sc->sc_ointr = intr;
1046 sc->sc_oarg = arg;
1047 sc->sc_opages = ((char *)end - (char *)start) / PAGE_SIZE;
1048
1049 #ifdef DIAGNOSTIC
1050 if (sc->sc_opages > 16)
1051 panic("awacs_trigger_output");
1052 #endif
1053
1054 va = (vaddr_t)start;
1055 len = 0;
1056 for (i = sc->sc_opages; i > 0; i--) {
1057 len += PAGE_SIZE;
1058 if (len < bsize)
1059 intmode = DBDMA_INT_NEVER;
1060 else {
1061 len = 0;
1062 intmode = DBDMA_INT_ALWAYS;
1063 }
1064
1065 DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, PAGE_SIZE, vtophys(va),
1066 intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
1067 va += PAGE_SIZE;
1068 cmd++;
1069 }
1070
1071 DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
1072 DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
1073 out32rb(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
1074
1075 dbdma_start(sc->sc_odma, sc->sc_odmacmd);
1076
1077 return 0;
1078 }
1079
1080 static int
1081 awacs_trigger_input(void *h, void *start, void *end, int bsize,
1082 void (*intr)(void *), void *arg,
1083 const audio_params_t *param)
1084 {
1085
1086 DPRINTF("awacs_trigger_input called\n");
1087 return 1;
1088 }
1089
1090 static void
1091 awacs_select_output(struct awacs_softc *sc, int mask)
1092 {
1093
1094 #if NSGSMIX > 0
1095 if (sc->sc_sgsmix) {
1096 if (mask & OUTPUT_HEADPHONES) {
1097 /* mute speakers */
1098 sgsmix_set_speaker_vol(sc->sc_sgsmix, 0, 0);
1099 sgsmix_set_headphone_vol(sc->sc_sgsmix,
1100 sc->vol_l, sc->vol_r);
1101 }
1102 if (mask & OUTPUT_SPEAKER) {
1103 /* mute headphones */
1104 sgsmix_set_speaker_vol(sc->sc_sgsmix,
1105 sc->vol_l, sc->vol_r);
1106 sgsmix_set_headphone_vol(sc->sc_sgsmix, 0, 0);
1107 }
1108 } else {
1109 #endif
1110 sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER | AWACS_MUTE_HEADPHONE;
1111 if ((sc->vol_l > 0) || (sc->vol_r > 0)) {
1112 if (mask & OUTPUT_SPEAKER)
1113 sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
1114 if (mask & OUTPUT_HEADPHONES)
1115 sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE;
1116 }
1117 awacs_write_codec(sc, sc->sc_codecctl1);
1118 #if NSGSMIX > 0
1119 }
1120 #endif
1121 sc->sc_output_mask = mask;
1122 }
1123
1124 static void
1125 awacs_set_speaker_volume(struct awacs_softc *sc, int left, int right)
1126 {
1127
1128 #if NSGSMIX > 0
1129 if (sc->sc_sgsmix) {
1130 if (sc->sc_output_mask & OUTPUT_SPEAKER)
1131 sgsmix_set_speaker_vol(sc->sc_sgsmix, left, right);
1132 } else
1133 #endif
1134 {
1135 int lval;
1136 int rval;
1137 uint32_t codecctl = sc->sc_codecctl1;
1138
1139 lval = 15 - ((left & 0xf0) >> 4);
1140 rval = 15 - ((right & 0xf0) >> 4);
1141 DPRINTF("speaker_volume %d %d\n", lval, rval);
1142
1143 sc->sc_codecctl4 &= ~0x3cf;
1144 sc->sc_codecctl4 |= (lval << 6) | rval;
1145 awacs_write_codec(sc, sc->sc_codecctl4);
1146 if ((left == 0) && (right == 0)) {
1147 /*
1148 * max. attenuation doesn't mean silence so we need to
1149 * mute the output channel here
1150 */
1151 codecctl |= AWACS_MUTE_SPEAKER;
1152 } else if (sc->sc_output_mask & OUTPUT_SPEAKER) {
1153 codecctl &= ~AWACS_MUTE_SPEAKER;
1154 }
1155
1156 if (codecctl != sc->sc_codecctl1) {
1157
1158 sc->sc_codecctl1 = codecctl;
1159 awacs_write_codec(sc, sc->sc_codecctl1);
1160 }
1161 }
1162 }
1163
1164 static void
1165 awacs_set_ext_volume(struct awacs_softc *sc, int left, int right)
1166 {
1167
1168 #if NSGSMIX > 0
1169 if (sc->sc_sgsmix) {
1170 if (sc->sc_output_mask & OUTPUT_HEADPHONES)
1171 sgsmix_set_headphone_vol(sc->sc_sgsmix, left, right);
1172 } else
1173 #endif
1174 {
1175 int lval;
1176 int rval;
1177 uint32_t codecctl = sc->sc_codecctl1;
1178
1179 lval = 15 - ((left & 0xf0) >> 4);
1180 rval = 15 - ((right & 0xf0) >> 4);
1181 DPRINTF("ext_volume %d %d\n", lval, rval);
1182
1183 sc->sc_codecctl2 &= ~0x3cf;
1184 sc->sc_codecctl2 |= (lval << 6) | rval;
1185 awacs_write_codec(sc, sc->sc_codecctl2);
1186
1187 if ((left == 0) && (right == 0)) {
1188 /*
1189 * max. attenuation doesn't mean silence so we need to
1190 * mute the output channel here
1191 */
1192 codecctl |= AWACS_MUTE_HEADPHONE;
1193 } else if (sc->sc_output_mask & OUTPUT_HEADPHONES) {
1194
1195 codecctl &= ~AWACS_MUTE_HEADPHONE;
1196 }
1197
1198 if (codecctl != sc->sc_codecctl1) {
1199
1200 sc->sc_codecctl1 = codecctl;
1201 awacs_write_codec(sc, sc->sc_codecctl1);
1202 }
1203 }
1204 }
1205
1206 static void
1207 awacs_set_volume(struct awacs_softc *sc, int left, int right)
1208 {
1209
1210 awacs_set_ext_volume(sc, left, right);
1211 awacs_set_speaker_volume(sc, left, right);
1212
1213 sc->vol_l = left;
1214 sc->vol_r = right;
1215 }
1216
1217 #if NSGSMIX > 0
1218 static void
1219 awacs_set_bass(struct awacs_softc *sc, int bass)
1220 {
1221
1222 if (sc->sc_bass == bass)
1223 return;
1224
1225 sc->sc_bass = bass;
1226 if (sc->sc_sgsmix)
1227 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass, sc->sc_treble);
1228 }
1229
1230 static void
1231 awacs_set_treble(struct awacs_softc *sc, int treble)
1232 {
1233
1234 if (sc->sc_treble == treble)
1235 return;
1236
1237 sc->sc_treble = treble;
1238 if (sc->sc_sgsmix)
1239 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass, sc->sc_treble);
1240 }
1241 #endif
1242
1243 void
1244 awacs_set_loopthrough_volume(struct awacs_softc *sc, int left, int right)
1245 {
1246 int lval;
1247 int rval;
1248
1249 lval = 15 - ((left & 0xff) >> 4);
1250 rval = 15 - ((right & 0xff) >> 4);
1251 DPRINTF("loopthrough_volume %d %d\n", lval, rval);
1252
1253 sc->sc_codecctl5 &= ~0x3cf;
1254 sc->sc_codecctl5 |= (lval << 6) | rval;
1255 awacs_write_codec(sc, sc->sc_codecctl5);
1256 }
1257
1258 int
1259 awacs_set_rate(struct awacs_softc *sc, const audio_params_t *p)
1260 {
1261 int c;
1262
1263 switch (p->sample_rate) {
1264 case 44100:
1265 c = AWACS_RATE_44100;
1266 break;
1267 case 29400:
1268 c = AWACS_RATE_29400;
1269 break;
1270 case 22050:
1271 c = AWACS_RATE_22050;
1272 break;
1273 case 17640:
1274 c = AWACS_RATE_17640;
1275 break;
1276 case 14700:
1277 c = AWACS_RATE_14700;
1278 break;
1279 case 11025:
1280 c = AWACS_RATE_11025;
1281 break;
1282 case 8820:
1283 c = AWACS_RATE_8820;
1284 break;
1285 case 7350:
1286 c = AWACS_RATE_7350;
1287 break;
1288 default:
1289 return -1;
1290 }
1291
1292 sc->sc_soundctl &= ~AWACS_RATE_MASK;
1293 sc->sc_soundctl |= c;
1294 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
1295
1296 return 0;
1297 }
1298
1299 static int
1300 awacs_check_headphones(struct awacs_softc *sc)
1301 {
1302 uint32_t reg;
1303 reg = awacs_read_reg(sc, AWACS_CODEC_STATUS);
1304 DPRINTF("%s: codec status reg %08x\n", sc->sc_dev.dv_xname, reg);
1305 return ((reg & sc->sc_headphones_mask) == sc->sc_headphones_in);
1306 }
1307
1308 static int
1309 awacs_status_intr(void *cookie)
1310 {
1311 struct awacs_softc *sc = cookie;
1312 int mask;
1313
1314 mask = awacs_check_headphones(sc) ? OUTPUT_HEADPHONES : OUTPUT_SPEAKER;
1315 if (mask != sc->sc_output_mask) {
1316
1317 sc->sc_output_wanted = mask;
1318 wakeup(&sc->sc_event);
1319 }
1320 /* clear the interrupt */
1321 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl | AWACS_PORTCHG);
1322 return 1;
1323 }
1324
1325 static void
1326 awacs_thread(void *cookie)
1327 {
1328 struct awacs_softc *sc = cookie;
1329
1330 while (1) {
1331 tsleep(&sc->sc_event, PWAIT, "awacs_wait", hz);
1332 if (sc->sc_output_wanted == sc->sc_output_mask)
1333 continue;
1334
1335 awacs_select_output(sc, sc->sc_output_wanted);
1336 DPRINTF("%s: switching to %s\n", sc->sc_dev.dv_xname,
1337 (sc->sc_output_wanted & OUTPUT_SPEAKER) ?
1338 "speaker" : "headphones");
1339 }
1340 }
1341