awacs.c revision 1.33.16.2 1 /* $NetBSD: awacs.c,v 1.33.16.2 2008/09/28 10:40:03 mjf 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 1.33.16.2 2008/09/28 10:40:03 mjf 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 device_t 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 int sc_need_parallel_output;
89 #if NSGSMIX > 0
90 device_t sc_sgsmix;
91 #endif
92
93 char *sc_reg;
94 u_int sc_codecctl0;
95 u_int sc_codecctl1;
96 u_int sc_codecctl2;
97 u_int sc_codecctl4;
98 u_int sc_codecctl5;
99 u_int sc_codecctl6;
100 u_int sc_codecctl7;
101 u_int sc_soundctl;
102
103 struct dbdma_regmap *sc_odma;
104 struct dbdma_regmap *sc_idma;
105 struct dbdma_command *sc_odmacmd;
106 struct dbdma_command *sc_idmacmd;
107
108 #define AWACS_NFORMATS 2
109 struct audio_format sc_formats[AWACS_NFORMATS];
110 };
111
112 static int awacs_match(device_t, struct cfdata *, void *);
113 static void awacs_attach(device_t, device_t, void *);
114 static int awacs_intr(void *);
115 static int awacs_status_intr(void *);
116
117 static void awacs_close(void *);
118 static int awacs_query_encoding(void *, struct audio_encoding *);
119 static int awacs_set_params(void *, int, int, audio_params_t *, audio_params_t *,
120 stream_filter_list_t *, stream_filter_list_t *);
121
122 static int awacs_round_blocksize(void *, int, int, const audio_params_t *);
123 static int awacs_trigger_output(void *, void *, void *, int, void (*)(void *),
124 void *, const audio_params_t *);
125 static int awacs_trigger_input(void *, void *, void *, int, void (*)(void *),
126 void *, const audio_params_t *);
127 static int awacs_halt_output(void *);
128 static int awacs_halt_input(void *);
129 static int awacs_getdev(void *, struct audio_device *);
130 static int awacs_set_port(void *, mixer_ctrl_t *);
131 static int awacs_get_port(void *, mixer_ctrl_t *);
132 static int awacs_query_devinfo(void *, mixer_devinfo_t *);
133 static size_t awacs_round_buffersize(void *, int, size_t);
134 static paddr_t awacs_mappage(void *, void *, off_t, int);
135 static int awacs_get_props(void *);
136
137 static inline u_int awacs_read_reg(struct awacs_softc *, int);
138 static inline void awacs_write_reg(struct awacs_softc *, int, int);
139 static void awacs_write_codec(struct awacs_softc *, int);
140
141 void awacs_set_volume(struct awacs_softc *, int, int);
142 static void awacs_set_speaker_volume(struct awacs_softc *, int, int);
143 static void awacs_set_ext_volume(struct awacs_softc *, int, int);
144 static void awacs_set_loopthrough_volume(struct awacs_softc *, int, int);
145 static int awacs_set_rate(struct awacs_softc *, const audio_params_t *);
146 static void awacs_select_output(struct awacs_softc *, int);
147 static int awacs_check_headphones(struct awacs_softc *);
148 static void awacs_thread(void *);
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(device_t);
155
156 CFATTACH_DECL_NEW(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,
200 {7350, 8820, 11025, 14700, 17640, 22050, 29400, 44100}},
201 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 16, 16,
202 2, AUFMT_STEREO, 8,
203 {7350, 8820, 11025, 14700, 17640, 22050, 29400, 44100}},
204 };
205
206 /* register offset */
207 #define AWACS_SOUND_CTRL 0x00
208 #define AWACS_CODEC_CTRL 0x10
209 #define AWACS_CODEC_STATUS 0x20
210 #define AWACS_CLIP_COUNT 0x30
211 #define AWACS_BYTE_SWAP 0x40
212
213 /* sound control */
214 #define AWACS_INPUT_SUBFRAME0 0x00000001
215 #define AWACS_INPUT_SUBFRAME1 0x00000002
216 #define AWACS_INPUT_SUBFRAME2 0x00000004
217 #define AWACS_INPUT_SUBFRAME3 0x00000008
218
219 #define AWACS_OUTPUT_SUBFRAME0 0x00000010
220 #define AWACS_OUTPUT_SUBFRAME1 0x00000020
221 #define AWACS_OUTPUT_SUBFRAME2 0x00000040
222 #define AWACS_OUTPUT_SUBFRAME3 0x00000080
223
224 #define AWACS_RATE_44100 0x00000000
225 #define AWACS_RATE_29400 0x00000100
226 #define AWACS_RATE_22050 0x00000200
227 #define AWACS_RATE_17640 0x00000300
228 #define AWACS_RATE_14700 0x00000400
229 #define AWACS_RATE_11025 0x00000500
230 #define AWACS_RATE_8820 0x00000600
231 #define AWACS_RATE_7350 0x00000700
232 #define AWACS_RATE_MASK 0x00000700
233
234 #define AWACS_ERROR 0x00000800
235 #define AWACS_PORTCHG 0x00001000
236 #define AWACS_INTR_ERROR 0x00002000 /* interrupt on error */
237 #define AWACS_INTR_PORTCHG 0x00004000 /* interrupt on port change */
238
239 #define AWACS_STATUS_SUBFRAME 0x00018000 /* mask */
240
241 /* codec control */
242 #define AWACS_CODEC_ADDR0 0x00000000
243 #define AWACS_CODEC_ADDR1 0x00001000
244 #define AWACS_CODEC_ADDR2 0x00002000
245 #define AWACS_CODEC_ADDR4 0x00004000
246 #define AWACS_CODEC_ADDR5 0x00005000
247 #define AWACS_CODEC_ADDR6 0x00006000
248 #define AWACS_CODEC_ADDR7 0x00007000
249 #define AWACS_CODEC_EMSEL0 0x00000000
250 #define AWACS_CODEC_EMSEL1 0x00400000
251 #define AWACS_CODEC_EMSEL2 0x00800000
252 #define AWACS_CODEC_EMSEL4 0x00c00000
253 #define AWACS_CODEC_BUSY 0x01000000
254
255 /* cc0 */
256 #define AWACS_DEFAULT_CD_GAIN 0x000000bb
257 #define AWACS_INPUT_CD 0x00000200
258 #define AWACS_INPUT_LINE 0x00000400
259 #define AWACS_INPUT_MICROPHONE 0x00000800
260 #define AWACS_INPUT_MASK 0x00000e00
261
262 /* cc1 */
263 #define AWACS_LOOP_THROUGH 0x00000040
264 #define AWACS_MUTE_SPEAKER 0x00000080
265 #define AWACS_MUTE_HEADPHONE 0x00000200
266 #define AWACS_PARALLEL_OUTPUT 0x00000c00
267
268 /* output */
269 #define OUTPUT_SPEAKER 1
270 #define OUTPUT_HEADPHONES 2
271
272 /* codec status */
273
274 static const char *screamer[] = {"screamer", NULL};
275
276 /*
277 * list machines that have the headphone detect GPIO reversed here.
278 * so far the only known case is the PowerBook 3400c and similar machines
279 */
280 static const char *detect_reversed[] = {"AAPL,3400/2400",
281 "AAPL,3500",
282 NULL};
283
284 static const char *use_gpio4[] = { "PowerMac3,3",
285 NULL};
286
287 /*
288 * list of machines that do not require AWACS_PARALLEL_OUTPUT
289 */
290 static const char *no_parallel_output[] = { "PowerBook3,1",
291 NULL};
292
293 static int
294 awacs_match(device_t parent, struct cfdata *match, void *aux)
295 {
296 struct confargs *ca;
297
298 ca = aux;
299
300 if (strcmp(ca->ca_name, "awacs") == 0 ||
301 strcmp(ca->ca_name, "davbus") == 0)
302 return 100;
303
304 if (ca->ca_nreg < 24 || ca->ca_nintr < 12)
305 return 0;
306
307 if (strcmp(ca->ca_name, "i2s") == 0)
308 return 1;
309
310 return 0;
311 }
312
313 static void
314 awacs_attach(device_t parent, device_t self, void *aux)
315 {
316 struct awacs_softc *sc;
317 struct confargs *ca;
318 int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type;
319 int len = -1, perch;
320 int root_node;
321 char compat[256];
322
323 sc = device_private(self);
324 sc->sc_dev = self;
325 ca = aux;
326
327 sc->sc_reg = mapiodev(ca->ca_baseaddr + ca->ca_reg[0], ca->ca_reg[1]);
328
329 /* out */
330 sc->sc_odma = mapiodev(ca->ca_baseaddr + ca->ca_reg[2], ca->ca_reg[3]);
331 sc->sc_odmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
332 /* in */
333 sc->sc_idma = mapiodev(ca->ca_baseaddr + ca->ca_reg[4], ca->ca_reg[5]);
334 sc->sc_idmacmd = dbdma_alloc(20 * sizeof(struct dbdma_command));
335
336 if (strcmp(ca->ca_name, "i2s") == 0) {
337 int node, intr[6];
338
339 node = OF_child(ca->ca_node);
340 if (node == 0) {
341 printf("no i2s-a child\n");
342 return;
343 }
344 if (OF_getprop(node, "interrupts", intr, sizeof(intr)) == -1) {
345 printf("no interrupt property\n");
346 return;
347 }
348
349 cirq = intr[0];
350 oirq = intr[2];
351 iirq = intr[4];
352 cirq_type = intr[1] ? IST_LEVEL : IST_EDGE;
353 oirq_type = intr[3] ? IST_LEVEL : IST_EDGE;
354 iirq_type = intr[5] ? IST_LEVEL : IST_EDGE;
355 } else if (ca->ca_nintr == 24) {
356 cirq = ca->ca_intr[0];
357 oirq = ca->ca_intr[2];
358 iirq = ca->ca_intr[4];
359 cirq_type = ca->ca_intr[1] ? IST_LEVEL : IST_EDGE;
360 oirq_type = ca->ca_intr[3] ? IST_LEVEL : IST_EDGE;
361 iirq_type = ca->ca_intr[5] ? IST_LEVEL : IST_EDGE;
362 } else {
363 cirq = ca->ca_intr[0];
364 oirq = ca->ca_intr[1];
365 iirq = ca->ca_intr[2];
366 cirq_type = oirq_type = iirq_type = IST_EDGE;
367 }
368
369 intr_establish(cirq, cirq_type, IPL_BIO, awacs_status_intr, sc);
370 intr_establish(oirq, oirq_type, IPL_AUDIO, awacs_intr, sc);
371 intr_establish(iirq, iirq_type, IPL_AUDIO, awacs_intr, sc);
372
373 /* check if the chip is a screamer */
374 sc->sc_screamer = (of_compatible(ca->ca_node, screamer) != -1);
375 if (!sc->sc_screamer) {
376 /* look for 'sound' child node */
377 int sound_node;
378
379 sound_node = OF_child(ca->ca_node);
380 while ((sound_node != 0) && (!sc->sc_screamer)) {
381
382 sc->sc_screamer =
383 (of_compatible(sound_node, screamer) != -1);
384 sound_node = OF_peer(sound_node);
385 }
386 }
387
388 if (sc->sc_screamer) {
389 printf(" Screamer");
390 }
391
392 printf(": irq %d,%d,%d\n", cirq, oirq, iirq);
393
394 sc->vol_l = 0;
395 sc->vol_r = 0;
396
397 memcpy(&sc->sc_formats, awacs_formats, sizeof(awacs_formats));
398
399 /* XXX Uni-North based models don't have byteswap capability. */
400 if (OF_finddevice("/uni-n") == -1) {
401
402 sc->sc_flags |= AWACS_CAP_BSWAP;
403 } else {
404
405 AUFMT_INVALIDATE(&sc->sc_formats[AWACS_FORMATS_LE]);
406 }
407
408 sc->sc_soundctl = AWACS_INPUT_SUBFRAME0 | AWACS_OUTPUT_SUBFRAME0 |
409 AWACS_RATE_44100 | AWACS_INTR_PORTCHG;
410 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
411
412 sc->sc_codecctl0 = AWACS_CODEC_ADDR0 | AWACS_CODEC_EMSEL0;
413 sc->sc_codecctl1 = AWACS_CODEC_ADDR1 | AWACS_CODEC_EMSEL0;
414 sc->sc_codecctl2 = AWACS_CODEC_ADDR2 | AWACS_CODEC_EMSEL0;
415 sc->sc_codecctl4 = AWACS_CODEC_ADDR4 | AWACS_CODEC_EMSEL0;
416 sc->sc_codecctl5 = AWACS_CODEC_ADDR5 | AWACS_CODEC_EMSEL0;
417 sc->sc_codecctl6 = AWACS_CODEC_ADDR6 | AWACS_CODEC_EMSEL0;
418 sc->sc_codecctl7 = AWACS_CODEC_ADDR7 | AWACS_CODEC_EMSEL0;
419
420 sc->sc_codecctl0 |= AWACS_INPUT_CD | AWACS_DEFAULT_CD_GAIN;
421 awacs_write_codec(sc, sc->sc_codecctl0);
422
423 /* Set loopthrough for external mixer on beige G3 */
424 sc->sc_codecctl1 |= AWACS_LOOP_THROUGH;
425
426 printf("%s: ", device_xname(sc->sc_dev));
427
428 /*
429 * all(?) awacs have GPIOs to detect if there's something plugged into
430 * the headphone jack. The other GPIOs are either used for other jacks
431 * ( the PB3400c's microphone jack for instance ) or unused.
432 * The problem is that there are at least three different ways how
433 * those GPIOs are wired to the actual jacks.
434 * For now we bother only with headphone detection
435 */
436 perch = OF_finddevice("/perch");
437 root_node = OF_finddevice("/");
438 if (of_compatible(root_node, detect_reversed) != -1) {
439
440 /* 0x02 is for the microphone jack, high active */
441 /*
442 * for some reason the gpio for the headphones jack is low
443 * active on the PB3400 and similar machines
444 */
445 sc->sc_headphones_mask = 0x8;
446 sc->sc_headphones_in = 0x0;
447 } else if ((perch != -1) ||
448 (of_compatible(root_node, use_gpio4) != -1)) {
449 /*
450 * this is for the beige G3's 'personality card' which uses
451 * yet another wiring of the headphone detect GPIOs
452 * some G4s use it as well
453 */
454 sc->sc_headphones_mask = 0x04;
455 sc->sc_headphones_in = 0x04;
456 } else {
457 /* while on most machines it's high active as well */
458 sc->sc_headphones_mask = 0x8;
459 sc->sc_headphones_in = 0x8;
460 }
461
462 if (of_compatible(root_node, no_parallel_output) != -1)
463 sc->sc_need_parallel_output = 0;
464 else {
465 sc->sc_need_parallel_output = 1;
466 sc->sc_codecctl1 |= AWACS_PARALLEL_OUTPUT;
467 }
468
469 if (awacs_check_headphones(sc)) {
470
471 /* default output to headphones */
472 printf("headphones\n");
473 sc->sc_output_mask = OUTPUT_HEADPHONES;
474 } else {
475
476 /* default output to speakers */
477 printf("speaker\n");
478 sc->sc_output_mask = OUTPUT_SPEAKER;
479 }
480 sc->sc_output_wanted = sc->sc_output_mask;
481 awacs_select_output(sc, sc->sc_output_mask);
482
483 delay(100);
484 if (sc->sc_screamer) {
485 awacs_write_codec(sc, sc->sc_codecctl6);
486 awacs_write_codec(sc, sc->sc_codecctl5);
487 delay(2);
488 awacs_write_codec(sc, sc->sc_codecctl1);
489 awacs_write_codec(sc, sc->sc_codecctl7);
490 }
491
492 /* default input from CD */
493 sc->sc_record_source = 1 << 0;
494 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
495 sc->sc_codecctl0 |= AWACS_INPUT_CD;
496 awacs_write_codec(sc, sc->sc_codecctl0);
497
498 /* Enable interrupts and looping mode. */
499 /* XXX ... */
500
501 sc->sc_codecctl1 |= AWACS_LOOP_THROUGH;
502 if (sc->sc_need_parallel_output)
503 sc->sc_codecctl1 |= AWACS_PARALLEL_OUTPUT;
504 awacs_write_codec(sc, sc->sc_codecctl1);
505
506 #if NSGSMIX > 0
507 sc->sc_sgsmix = NULL;
508 #endif
509 sc->sc_have_perch = 0;
510 if (perch != -1) {
511
512 len = OF_getprop(perch, "compatible", compat, 255);
513 if (len > 0) {
514 printf("%s: found '%s' personality card\n",
515 device_xname(sc->sc_dev), compat);
516 sc->sc_have_perch = 1;
517 config_finalize_register(sc->sc_dev,
518 awacs_setup_sgsmix);
519 }
520 }
521
522 /* Set initial volume[s] */
523 awacs_set_volume(sc, 144, 144);
524 awacs_set_loopthrough_volume(sc, 0, 0);
525
526 audio_attach_mi(&awacs_hw_if, sc, sc->sc_dev);
527
528 if (kthread_create(PRI_NONE, 0, NULL, awacs_thread, sc,
529 &sc->sc_thread, "%s", "awacs") != 0) {
530 printf("awacs: unable to create event kthread");
531 }
532 }
533
534 static int
535 awacs_setup_sgsmix(device_t cookie)
536 {
537 struct awacs_softc *sc = device_private(cookie);
538 #if NSGSMIX > 0
539 device_t dv;
540 #endif
541
542 if (!sc->sc_have_perch)
543 return 0;
544 #if NSGSMIX > 0
545 /* look for sgsmix */
546 for (dv = alldevs.tqh_first; dv; dv=dv->dv_list.tqe_next) {
547 if (device_is_a(dv, "sgsmix")) {
548 sc->sc_sgsmix = dv;
549 break;
550 }
551 }
552 if (sc->sc_sgsmix == NULL)
553 return 0;
554
555 printf("%s: using %s\n", device_xname(sc->sc_dev),
556 device_xname(sc->sc_sgsmix));
557
558 awacs_select_output(sc, sc->sc_output_mask);
559 awacs_set_volume(sc, sc->vol_l, sc->vol_r);
560 awacs_set_bass(sc, 128);
561 awacs_set_treble(sc, 128);
562 wakeup(&sc->sc_event);
563 #endif
564 return 0;
565 }
566
567
568 static inline u_int
569 awacs_read_reg(struct awacs_softc *sc, int reg)
570 {
571 char *addr;
572
573 addr = sc->sc_reg;
574 return in32rb(addr + reg);
575 }
576
577 static inline void
578 awacs_write_reg(struct awacs_softc *sc, int reg, int val)
579 {
580 char *addr;
581
582 addr = sc->sc_reg;
583 out32rb(addr + reg, val);
584 }
585
586 static void
587 awacs_write_codec(struct awacs_softc *sc, int value)
588 {
589
590 do {
591 delay(100);
592 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
593
594 awacs_write_reg(sc, AWACS_CODEC_CTRL, value);
595
596 do {
597 delay(100);
598 } while (awacs_read_reg(sc, AWACS_CODEC_CTRL) & AWACS_CODEC_BUSY);
599 }
600
601 static int
602 awacs_intr(void *v)
603 {
604 struct awacs_softc *sc;
605 struct dbdma_command *cmd;
606 int count;
607 int status;
608
609 sc = v;
610 cmd = sc->sc_odmacmd;
611 count = sc->sc_opages;
612 /* Fill used buffer(s). */
613 while (count-- > 0) {
614 /* if DBDMA_INT_ALWAYS */
615 if (in16rb(&cmd->d_command) & 0x30) { /* XXX */
616 status = in16rb(&cmd->d_status);
617 cmd->d_status = 0;
618 if (status) /* status == 0x8400 */
619 if (sc->sc_ointr)
620 (*sc->sc_ointr)(sc->sc_oarg);
621 }
622 cmd++;
623 }
624
625 return 1;
626 }
627
628 /*
629 * Close function is called at splaudio().
630 */
631 static void
632 awacs_close(void *h)
633 {
634 struct awacs_softc *sc;
635
636 sc = h;
637 awacs_halt_output(sc);
638 awacs_halt_input(sc);
639
640 sc->sc_ointr = 0;
641 sc->sc_iintr = 0;
642 }
643
644 static int
645 awacs_query_encoding(void *h, struct audio_encoding *ae)
646 {
647 struct awacs_softc *sc;
648
649 sc = h;
650 ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
651
652 switch (ae->index) {
653 case 0:
654 strcpy(ae->name, AudioEslinear);
655 ae->encoding = AUDIO_ENCODING_SLINEAR;
656 ae->precision = 16;
657 ae->flags = 0;
658 return 0;
659 case 1:
660 strcpy(ae->name, AudioEslinear_be);
661 ae->encoding = AUDIO_ENCODING_SLINEAR_BE;
662 ae->precision = 16;
663 ae->flags = 0;
664 return 0;
665 case 2:
666 strcpy(ae->name, AudioEslinear_le);
667 ae->encoding = AUDIO_ENCODING_SLINEAR_LE;
668 ae->precision = 16;
669 if (sc->sc_flags & AWACS_CAP_BSWAP)
670 ae->flags = 0;
671 return 0;
672 case 3:
673 strcpy(ae->name, AudioEulinear_be);
674 ae->encoding = AUDIO_ENCODING_ULINEAR_BE;
675 ae->precision = 16;
676 return 0;
677 case 4:
678 strcpy(ae->name, AudioEulinear_le);
679 ae->encoding = AUDIO_ENCODING_ULINEAR_LE;
680 ae->precision = 16;
681 return 0;
682 case 5:
683 strcpy(ae->name, AudioEmulaw);
684 ae->encoding = AUDIO_ENCODING_ULAW;
685 ae->precision = 8;
686 return 0;
687 case 6:
688 strcpy(ae->name, AudioEalaw);
689 ae->encoding = AUDIO_ENCODING_ALAW;
690 ae->precision = 8;
691 return 0;
692 default:
693 return EINVAL;
694 }
695 }
696
697 static int
698 awacs_set_params(void *h, int setmode, int usemode,
699 audio_params_t *play, audio_params_t *rec,
700 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
701 {
702 struct awacs_softc *sc;
703 audio_params_t *p;
704 stream_filter_list_t *fil;
705 int mode, i;
706
707 sc = h;
708 p = NULL;
709 /*
710 * This device only has one clock, so make the sample rates match.
711 */
712 if (play->sample_rate != rec->sample_rate &&
713 usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
714 if (setmode == AUMODE_PLAY) {
715 rec->sample_rate = play->sample_rate;
716 setmode |= AUMODE_RECORD;
717 } else if (setmode == AUMODE_RECORD) {
718 play->sample_rate = rec->sample_rate;
719 setmode |= AUMODE_PLAY;
720 } else
721 return EINVAL;
722 }
723
724 for (mode = AUMODE_RECORD; mode != -1;
725 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
726 if ((setmode & mode) == 0)
727 continue;
728
729 p = mode == AUMODE_PLAY ? play : rec;
730 fil = mode == AUMODE_PLAY ? pfil : rfil;
731 switch (p->sample_rate) {
732 case 48000: /* aurateconv */
733 case 44100:
734 case 29400:
735 case 22050:
736 case 17640:
737 case 14700:
738 case 11025:
739 case 8820:
740 case 8000: /* aurateconv */
741 case 7350:
742 break;
743 default:
744 return EINVAL;
745 }
746 awacs_write_reg(sc, AWACS_BYTE_SWAP, 0);
747 i = auconv_set_converter(sc->sc_formats, AWACS_NFORMATS,
748 mode, p, true, fil);
749 if (i < 0)
750 return EINVAL;
751 if (i == AWACS_FORMATS_LE)
752 awacs_write_reg(sc, AWACS_BYTE_SWAP, 1);
753 if (fil->req_size > 0)
754 p = &fil->filters[0].param;
755 if (awacs_set_rate(sc, p))
756 return EINVAL;
757 }
758 return 0;
759 }
760
761 static int
762 awacs_round_blocksize(void *h, int size, int mode, const audio_params_t *param)
763 {
764
765 if (size < PAGE_SIZE)
766 size = PAGE_SIZE;
767 return size & ~PGOFSET;
768 }
769
770 static int
771 awacs_halt_output(void *h)
772 {
773 struct awacs_softc *sc;
774
775 sc = h;
776 dbdma_stop(sc->sc_odma);
777 dbdma_reset(sc->sc_odma);
778 return 0;
779 }
780
781 static int
782 awacs_halt_input(void *h)
783 {
784 struct awacs_softc *sc;
785
786 sc = h;
787 dbdma_stop(sc->sc_idma);
788 dbdma_reset(sc->sc_idma);
789 return 0;
790 }
791
792 static int
793 awacs_getdev(void *h, struct audio_device *retp)
794 {
795
796 *retp = awacs_device;
797 return 0;
798 }
799
800 enum {
801 AWACS_MONITOR_CLASS,
802 AWACS_OUTPUT_CLASS,
803 AWACS_RECORD_CLASS,
804 AWACS_OUTPUT_SELECT,
805 AWACS_VOL_MASTER,
806 AWACS_INPUT_SELECT,
807 AWACS_VOL_INPUT,
808 AWACS_VOL_MONITOR,
809 AWACS_BASS,
810 AWACS_TREBLE,
811 AWACS_ENUM_LAST
812 };
813
814 static int
815 awacs_set_port(void *h, mixer_ctrl_t *mc)
816 {
817 struct awacs_softc *sc;
818 int l, r;
819
820 DPRINTF("awacs_set_port dev = %d, type = %d\n", mc->dev, mc->type);
821 sc = h;
822 l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
823 r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
824
825 switch (mc->dev) {
826 case AWACS_OUTPUT_SELECT:
827 /* No change necessary? */
828 if (mc->un.mask == sc->sc_output_mask)
829 return 0;
830 awacs_select_output(sc, mc->un.mask);
831 return 0;
832
833 case AWACS_VOL_MASTER:
834 awacs_set_volume(sc, l, r);
835 return 0;
836
837 case AWACS_INPUT_SELECT:
838 /* no change necessary? */
839 if (mc->un.mask == sc->sc_record_source)
840 return 0;
841 switch (mc->un.mask) {
842 case 1 << 0: /* CD */
843 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
844 sc->sc_codecctl0 |= AWACS_INPUT_CD;
845 awacs_write_codec(sc, sc->sc_codecctl0);
846 break;
847 case 1 << 1: /* microphone */
848 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
849 sc->sc_codecctl0 |= AWACS_INPUT_MICROPHONE;
850 awacs_write_codec(sc, sc->sc_codecctl0);
851 break;
852 case 1 << 2: /* line in */
853 sc->sc_codecctl0 &= ~AWACS_INPUT_MASK;
854 sc->sc_codecctl0 |= AWACS_INPUT_LINE;
855 awacs_write_codec(sc, sc->sc_codecctl0);
856 break;
857 default: /* invalid argument */
858 return EINVAL;
859 }
860 sc->sc_record_source = mc->un.mask;
861 return 0;
862
863 case AWACS_VOL_INPUT:
864 sc->sc_codecctl0 &= ~0xff;
865 sc->sc_codecctl0 |= (l & 0xf0) | (r >> 4);
866 awacs_write_codec(sc, sc->sc_codecctl0);
867 return 0;
868
869 case AWACS_VOL_MONITOR:
870 awacs_set_loopthrough_volume(sc, l, r);
871 return 0;
872
873 #if NSGSMIX > 0
874 case AWACS_BASS:
875 awacs_set_bass(sc, l);
876 return 0;
877
878 case AWACS_TREBLE:
879 awacs_set_treble(sc, l);
880 return 0;
881 #endif
882 }
883
884 return ENXIO;
885 }
886
887 static int
888 awacs_get_port(void *h, mixer_ctrl_t *mc)
889 {
890 struct awacs_softc *sc;
891 int l, r, vol;
892
893 sc = h;
894 switch (mc->dev) {
895 case AWACS_OUTPUT_SELECT:
896 mc->un.mask = sc->sc_output_mask;
897 return 0;
898
899 case AWACS_VOL_MASTER:
900 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->vol_l;
901 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->vol_r;
902 return 0;
903
904 case AWACS_INPUT_SELECT:
905 mc->un.mask = sc->sc_record_source;
906 return 0;
907
908 case AWACS_VOL_INPUT:
909 vol = sc->sc_codecctl0 & 0xff;
910 l = (vol & 0xf0);
911 r = (vol & 0x0f) << 4;
912 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = l;
913 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
914 return 0;
915
916 case AWACS_VOL_MONITOR:
917 vol = sc->sc_codecctl5 & 0x3cf;
918 l = (vol & 0x3c0) >> 6;
919 r = vol & 0xf;
920 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = (15 - l) << 4;
921 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = (15 - r) << 4;
922 return 0;
923
924 #if NSGSMIX > 0
925 case AWACS_BASS:
926 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_bass;
927 return 0;
928
929 case AWACS_TREBLE:
930 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = sc->sc_treble;
931 return 0;
932 #endif
933
934 default:
935 return ENXIO;
936 }
937
938 return 0;
939 }
940
941 static int
942 awacs_query_devinfo(void *h, mixer_devinfo_t *dip)
943 {
944 #if NSGSMIX > 0
945 struct awacs_softc *sc = h;
946 #endif
947
948 switch (dip->index) {
949
950 case AWACS_OUTPUT_SELECT:
951 dip->mixer_class = AWACS_MONITOR_CLASS;
952 strcpy(dip->label.name, AudioNoutput);
953 dip->type = AUDIO_MIXER_SET;
954 dip->prev = dip->next = AUDIO_MIXER_LAST;
955 dip->un.s.num_mem = 2;
956 strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
957 dip->un.s.member[0].mask = 1 << 0;
958 strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
959 dip->un.s.member[1].mask = 1 << 1;
960 return 0;
961
962 case AWACS_VOL_MASTER:
963 dip->mixer_class = AWACS_MONITOR_CLASS;
964 strcpy(dip->label.name, AudioNmaster);
965 dip->type = AUDIO_MIXER_VALUE;
966 dip->prev = dip->next = AUDIO_MIXER_LAST;
967 dip->un.v.num_channels = 2;
968 strcpy(dip->un.v.units.name, AudioNvolume);
969 return 0;
970
971 case AWACS_VOL_MONITOR:
972 dip->mixer_class = AWACS_MONITOR_CLASS;
973 strcpy(dip->label.name, AudioNmonitor);
974 dip->type = AUDIO_MIXER_VALUE;
975 dip->prev = dip->next = AUDIO_MIXER_LAST;
976 dip->un.v.num_channels = 2;
977 strcpy(dip->un.v.units.name, AudioNvolume);
978 return 0;
979
980 #if NSGSMIX > 0
981 case AWACS_BASS:
982 if (sc->sc_sgsmix == NULL)
983 return ENXIO;
984 dip->mixer_class = AWACS_MONITOR_CLASS;
985 strcpy(dip->label.name, AudioNbass);
986 dip->type = AUDIO_MIXER_VALUE;
987 dip->prev = dip->next = AUDIO_MIXER_LAST;
988 dip->un.v.num_channels = 1;
989 strcpy(dip->un.v.units.name, AudioNbass);
990 return 0;
991
992 case AWACS_TREBLE:
993 if (sc->sc_sgsmix == NULL)
994 return ENXIO;
995 dip->mixer_class = AWACS_MONITOR_CLASS;
996 strcpy(dip->label.name, AudioNtreble);
997 dip->type = AUDIO_MIXER_VALUE;
998 dip->prev = dip->next = AUDIO_MIXER_LAST;
999 dip->un.v.num_channels = 1;
1000 strcpy(dip->un.v.units.name, AudioNtreble);
1001 return 0;
1002 #endif
1003
1004 case AWACS_INPUT_SELECT:
1005 dip->mixer_class = AWACS_RECORD_CLASS;
1006 strcpy(dip->label.name, AudioNsource);
1007 dip->type = AUDIO_MIXER_SET;
1008 dip->prev = dip->next = AUDIO_MIXER_LAST;
1009 dip->un.s.num_mem = 3;
1010 strcpy(dip->un.s.member[0].label.name, AudioNcd);
1011 dip->un.s.member[0].mask = 1 << 0;
1012 strcpy(dip->un.s.member[1].label.name, AudioNmicrophone);
1013 dip->un.s.member[1].mask = 1 << 1;
1014 strcpy(dip->un.s.member[2].label.name, AudioNline);
1015 dip->un.s.member[2].mask = 1 << 2;
1016 return 0;
1017
1018 case AWACS_VOL_INPUT:
1019 dip->mixer_class = AWACS_RECORD_CLASS;
1020 strcpy(dip->label.name, AudioNrecord);
1021 dip->type = AUDIO_MIXER_VALUE;
1022 dip->prev = dip->next = AUDIO_MIXER_LAST;
1023 dip->un.v.num_channels = 2;
1024 strcpy(dip->un.v.units.name, AudioNvolume);
1025 return 0;
1026
1027 case AWACS_MONITOR_CLASS:
1028 dip->mixer_class = AWACS_MONITOR_CLASS;
1029 strcpy(dip->label.name, AudioCmonitor);
1030 dip->type = AUDIO_MIXER_CLASS;
1031 dip->next = dip->prev = AUDIO_MIXER_LAST;
1032 return 0;
1033
1034 case AWACS_OUTPUT_CLASS:
1035 dip->mixer_class = AWACS_OUTPUT_CLASS;
1036 strcpy(dip->label.name, AudioCoutputs);
1037 dip->type = AUDIO_MIXER_CLASS;
1038 dip->next = dip->prev = AUDIO_MIXER_LAST;
1039 return 0;
1040
1041 case AWACS_RECORD_CLASS:
1042 dip->mixer_class = AWACS_RECORD_CLASS;
1043 strcpy(dip->label.name, AudioCrecord);
1044 dip->type = AUDIO_MIXER_CLASS;
1045 dip->next = dip->prev = AUDIO_MIXER_LAST;
1046 return 0;
1047 }
1048
1049 return ENXIO;
1050 }
1051
1052 static size_t
1053 awacs_round_buffersize(void *h, int dir, size_t size)
1054 {
1055
1056 if (size > 65536)
1057 size = 65536;
1058 return size;
1059 }
1060
1061 static paddr_t
1062 awacs_mappage(void *h, void *mem, off_t off, int prot)
1063 {
1064
1065 if (off < 0)
1066 return -1;
1067 return -1; /* XXX */
1068 }
1069
1070 static int
1071 awacs_get_props(void *h)
1072 {
1073 return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
1074 }
1075
1076 static int
1077 awacs_trigger_output(void *h, void *start, void *end, int bsize,
1078 void (*intr)(void *), void *arg,
1079 const audio_params_t *param)
1080 {
1081 struct awacs_softc *sc;
1082 struct dbdma_command *cmd;
1083 vaddr_t va;
1084 int i, len, intmode;
1085
1086 DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
1087 sc = h;
1088 cmd = sc->sc_odmacmd;
1089 sc->sc_ointr = intr;
1090 sc->sc_oarg = arg;
1091 sc->sc_opages = ((char *)end - (char *)start) / PAGE_SIZE;
1092
1093 #ifdef DIAGNOSTIC
1094 if (sc->sc_opages > 16)
1095 panic("awacs_trigger_output");
1096 #endif
1097
1098 va = (vaddr_t)start;
1099 len = 0;
1100 for (i = sc->sc_opages; i > 0; i--) {
1101 len += PAGE_SIZE;
1102 if (len < bsize)
1103 intmode = DBDMA_INT_NEVER;
1104 else {
1105 len = 0;
1106 intmode = DBDMA_INT_ALWAYS;
1107 }
1108
1109 DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, PAGE_SIZE, vtophys(va),
1110 intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
1111 va += PAGE_SIZE;
1112 cmd++;
1113 }
1114
1115 DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
1116 DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
1117 out32rb(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
1118
1119 dbdma_start(sc->sc_odma, sc->sc_odmacmd);
1120
1121 return 0;
1122 }
1123
1124 static int
1125 awacs_trigger_input(void *h, void *start, void *end, int bsize,
1126 void (*intr)(void *), void *arg,
1127 const audio_params_t *param)
1128 {
1129
1130 DPRINTF("awacs_trigger_input called\n");
1131 return 1;
1132 }
1133
1134 static void
1135 awacs_select_output(struct awacs_softc *sc, int mask)
1136 {
1137
1138 #if NSGSMIX > 0
1139 if (sc->sc_sgsmix) {
1140 if (mask & OUTPUT_HEADPHONES) {
1141 /* mute speakers */
1142 sgsmix_set_speaker_vol(sc->sc_sgsmix, 0, 0);
1143 sgsmix_set_headphone_vol(sc->sc_sgsmix,
1144 sc->vol_l, sc->vol_r);
1145 }
1146 if (mask & OUTPUT_SPEAKER) {
1147 /* mute headphones */
1148 sgsmix_set_speaker_vol(sc->sc_sgsmix,
1149 sc->vol_l, sc->vol_r);
1150 sgsmix_set_headphone_vol(sc->sc_sgsmix, 0, 0);
1151 }
1152 } else {
1153 #endif
1154 sc->sc_codecctl1 |= AWACS_MUTE_SPEAKER | AWACS_MUTE_HEADPHONE;
1155 if ((sc->vol_l > 0) || (sc->vol_r > 0)) {
1156 if (mask & OUTPUT_SPEAKER)
1157 sc->sc_codecctl1 &= ~AWACS_MUTE_SPEAKER;
1158 if (mask & OUTPUT_HEADPHONES)
1159 sc->sc_codecctl1 &= ~AWACS_MUTE_HEADPHONE;
1160 }
1161 awacs_write_codec(sc, sc->sc_codecctl1);
1162 #if NSGSMIX > 0
1163 }
1164 #endif
1165 sc->sc_output_mask = mask;
1166 }
1167
1168 static void
1169 awacs_set_speaker_volume(struct awacs_softc *sc, int left, int right)
1170 {
1171
1172 #if NSGSMIX > 0
1173 if (sc->sc_sgsmix) {
1174 if (sc->sc_output_mask & OUTPUT_SPEAKER)
1175 sgsmix_set_speaker_vol(sc->sc_sgsmix, left, right);
1176 } else
1177 #endif
1178 {
1179 int lval;
1180 int rval;
1181 uint32_t codecctl = sc->sc_codecctl1;
1182
1183 lval = 15 - ((left & 0xf0) >> 4);
1184 rval = 15 - ((right & 0xf0) >> 4);
1185 DPRINTF("speaker_volume %d %d\n", lval, rval);
1186
1187 sc->sc_codecctl4 &= ~0x3cf;
1188 sc->sc_codecctl4 |= (lval << 6) | rval;
1189 awacs_write_codec(sc, sc->sc_codecctl4);
1190 if ((left == 0) && (right == 0)) {
1191 /*
1192 * max. attenuation doesn't mean silence so we need to
1193 * mute the output channel here
1194 */
1195 codecctl |= AWACS_MUTE_SPEAKER;
1196 } else if (sc->sc_output_mask & OUTPUT_SPEAKER) {
1197 codecctl &= ~AWACS_MUTE_SPEAKER;
1198 }
1199
1200 if (codecctl != sc->sc_codecctl1) {
1201
1202 sc->sc_codecctl1 = codecctl;
1203 awacs_write_codec(sc, sc->sc_codecctl1);
1204 }
1205 }
1206 }
1207
1208 static void
1209 awacs_set_ext_volume(struct awacs_softc *sc, int left, int right)
1210 {
1211
1212 #if NSGSMIX > 0
1213 if (sc->sc_sgsmix) {
1214 if (sc->sc_output_mask & OUTPUT_HEADPHONES)
1215 sgsmix_set_headphone_vol(sc->sc_sgsmix, left, right);
1216 } else
1217 #endif
1218 {
1219 int lval;
1220 int rval;
1221 uint32_t codecctl = sc->sc_codecctl1;
1222
1223 lval = 15 - ((left & 0xf0) >> 4);
1224 rval = 15 - ((right & 0xf0) >> 4);
1225 DPRINTF("ext_volume %d %d\n", lval, rval);
1226
1227 sc->sc_codecctl2 &= ~0x3cf;
1228 sc->sc_codecctl2 |= (lval << 6) | rval;
1229 awacs_write_codec(sc, sc->sc_codecctl2);
1230
1231 if ((left == 0) && (right == 0)) {
1232 /*
1233 * max. attenuation doesn't mean silence so we need to
1234 * mute the output channel here
1235 */
1236 codecctl |= AWACS_MUTE_HEADPHONE;
1237 } else if (sc->sc_output_mask & OUTPUT_HEADPHONES) {
1238
1239 codecctl &= ~AWACS_MUTE_HEADPHONE;
1240 }
1241
1242 if (codecctl != sc->sc_codecctl1) {
1243
1244 sc->sc_codecctl1 = codecctl;
1245 awacs_write_codec(sc, sc->sc_codecctl1);
1246 }
1247 }
1248 }
1249
1250 void
1251 awacs_set_volume(struct awacs_softc *sc, int left, int right)
1252 {
1253
1254 awacs_set_ext_volume(sc, left, right);
1255 awacs_set_speaker_volume(sc, left, right);
1256
1257 sc->vol_l = left;
1258 sc->vol_r = right;
1259 }
1260
1261 #if NSGSMIX > 0
1262 static void
1263 awacs_set_bass(struct awacs_softc *sc, int bass)
1264 {
1265
1266 if (sc->sc_bass == bass)
1267 return;
1268
1269 sc->sc_bass = bass;
1270 if (sc->sc_sgsmix)
1271 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass,
1272 sc->sc_treble);
1273 }
1274
1275 static void
1276 awacs_set_treble(struct awacs_softc *sc, int treble)
1277 {
1278
1279 if (sc->sc_treble == treble)
1280 return;
1281
1282 sc->sc_treble = treble;
1283 if (sc->sc_sgsmix)
1284 sgsmix_set_bass_treble(sc->sc_sgsmix, sc->sc_bass,
1285 sc->sc_treble);
1286 }
1287 #endif
1288
1289 void
1290 awacs_set_loopthrough_volume(struct awacs_softc *sc, int left, int right)
1291 {
1292 int lval;
1293 int rval;
1294
1295 lval = 15 - ((left & 0xff) >> 4);
1296 rval = 15 - ((right & 0xff) >> 4);
1297 DPRINTF("loopthrough_volume %d %d\n", lval, rval);
1298
1299 sc->sc_codecctl5 &= ~0x3cf;
1300 sc->sc_codecctl5 |= (lval << 6) | rval;
1301 awacs_write_codec(sc, sc->sc_codecctl5);
1302 }
1303
1304 int
1305 awacs_set_rate(struct awacs_softc *sc, const audio_params_t *p)
1306 {
1307 int c;
1308
1309 switch (p->sample_rate) {
1310 case 44100:
1311 c = AWACS_RATE_44100;
1312 break;
1313 case 29400:
1314 c = AWACS_RATE_29400;
1315 break;
1316 case 22050:
1317 c = AWACS_RATE_22050;
1318 break;
1319 case 17640:
1320 c = AWACS_RATE_17640;
1321 break;
1322 case 14700:
1323 c = AWACS_RATE_14700;
1324 break;
1325 case 11025:
1326 c = AWACS_RATE_11025;
1327 break;
1328 case 8820:
1329 c = AWACS_RATE_8820;
1330 break;
1331 case 7350:
1332 c = AWACS_RATE_7350;
1333 break;
1334 default:
1335 return -1;
1336 }
1337
1338 sc->sc_soundctl &= ~AWACS_RATE_MASK;
1339 sc->sc_soundctl |= c;
1340 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl);
1341
1342 return 0;
1343 }
1344
1345 static int
1346 awacs_check_headphones(struct awacs_softc *sc)
1347 {
1348 uint32_t reg;
1349 reg = awacs_read_reg(sc, AWACS_CODEC_STATUS);
1350 DPRINTF("%s: codec status reg %08x\n", device_xname(sc->sc_dev), reg);
1351 return ((reg & sc->sc_headphones_mask) == sc->sc_headphones_in);
1352 }
1353
1354 static int
1355 awacs_status_intr(void *cookie)
1356 {
1357 struct awacs_softc *sc = cookie;
1358 int mask;
1359
1360 mask = awacs_check_headphones(sc) ? OUTPUT_HEADPHONES : OUTPUT_SPEAKER;
1361 if (mask != sc->sc_output_mask) {
1362
1363 sc->sc_output_wanted = mask;
1364 wakeup(&sc->sc_event);
1365 }
1366 /* clear the interrupt */
1367 awacs_write_reg(sc, AWACS_SOUND_CTRL, sc->sc_soundctl | AWACS_PORTCHG);
1368 return 1;
1369 }
1370
1371 static void
1372 awacs_thread(void *cookie)
1373 {
1374 struct awacs_softc *sc = cookie;
1375
1376 while (1) {
1377 tsleep(&sc->sc_event, PWAIT, "awacs_wait", hz);
1378 if (sc->sc_output_wanted == sc->sc_output_mask)
1379 continue;
1380
1381 awacs_select_output(sc, sc->sc_output_wanted);
1382 DPRINTF("%s: switching to %s\n", device_xname(sc->sc_dev),
1383 (sc->sc_output_wanted & OUTPUT_SPEAKER) ?
1384 "speaker" : "headphones");
1385 }
1386 }
1387