snapper.c revision 1.4 1 /* $NetBSD: snapper.c,v 1.4 2005/01/15 15:19:51 kent Exp $ */
2 /* Id: snapper.c,v 1.11 2002/10/31 17:42:13 tsubai Exp */
3
4 /*-
5 * Copyright (c) 2002 Tsubai Masanari. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 /*
31 * Datasheet is available from
32 * http://www.ti.com/sc/docs/products/analog/tas3004.html
33 */
34
35 #include <sys/param.h>
36 #include <sys/audioio.h>
37 #include <sys/device.h>
38 #include <sys/systm.h>
39
40 #include <dev/auconv.h>
41 #include <dev/audio_if.h>
42 #include <dev/mulaw.h>
43 #include <dev/ofw/openfirm.h>
44 #include <macppc/dev/dbdma.h>
45
46 #include <uvm/uvm_extern.h>
47
48 #include <machine/autoconf.h>
49 #include <machine/pio.h>
50
51 #ifdef SNAPPER_DEBUG
52 # define DPRINTF printf
53 #else
54 # define DPRINTF while (0) printf
55 #endif
56
57 struct snapper_softc {
58 struct device sc_dev;
59 int sc_flags;
60 int sc_node;
61
62 void (*sc_ointr)(void *); /* dma completion intr handler */
63 void *sc_oarg; /* arg for sc_ointr() */
64 int sc_opages; /* # of output pages */
65
66 void (*sc_iintr)(void *); /* dma completion intr handler */
67 void *sc_iarg; /* arg for sc_iintr() */
68
69 u_int sc_record_source; /* recording source mask */
70 u_int sc_output_mask; /* output source mask */
71
72 u_char *sc_reg;
73 struct device *sc_i2c;
74
75 u_int sc_vol_l;
76 u_int sc_vol_r;
77
78 dbdma_regmap_t *sc_odma;
79 dbdma_regmap_t *sc_idma;
80 struct dbdma_command sc_odmacmd[20];
81 struct dbdma_command sc_idmacmd[20];
82 };
83
84 int snapper_match(struct device *, struct cfdata *, void *);
85 void snapper_attach(struct device *, struct device *, void *);
86 void snapper_defer(struct device *);
87 int snapper_intr(void *);
88 void snapper_close(void *);
89 int snapper_query_encoding(void *, struct audio_encoding *);
90 int snapper_set_params(void *, int, int, audio_params_t *,
91 audio_params_t *, stream_filter_list_t *, stream_filter_list_t *);
92 int snapper_round_blocksize(void *, int, int, const audio_params_t *);
93 int snapper_halt_output(void *);
94 int snapper_halt_input(void *);
95 int snapper_getdev(void *, struct audio_device *);
96 int snapper_set_port(void *, mixer_ctrl_t *);
97 int snapper_get_port(void *, mixer_ctrl_t *);
98 int snapper_query_devinfo(void *, mixer_devinfo_t *);
99 size_t snapper_round_buffersize(void *, int, size_t);
100 paddr_t snapper_mappage(void *, void *, off_t, int);
101 int snapper_get_props(void *);
102 int snapper_trigger_output(void *, void *, void *, int, void (*)(void *),
103 void *, const audio_params_t *);
104 int snapper_trigger_input(void *, void *, void *, int, void (*)(void *),
105 void *, const audio_params_t *);
106 void snapper_set_volume(struct snapper_softc *, int, int);
107 int snapper_set_rate(struct snapper_softc *, u_int);
108
109 int tas3004_write(struct snapper_softc *, u_int, const void *);
110 static int gpio_read(char *);
111 static void gpio_write(char *, int);
112 void snapper_mute_speaker(struct snapper_softc *, int);
113 void snapper_mute_headphone(struct snapper_softc *, int);
114 int snapper_cint(void *);
115 int tas3004_init(struct snapper_softc *);
116 void snapper_init(struct snapper_softc *, int);
117
118 /* XXX */
119 int ki2c_setmode(struct device *, int);
120 int ki2c_write(struct device *, int, int, const void *, int);
121 void ki2c_writereg(struct device *, int, u_int);
122
123
124 struct cfattach snapper_ca = {
125 "snapper", {}, sizeof(struct snapper_softc),
126 snapper_match, snapper_attach
127 };
128
129 const struct audio_hw_if snapper_hw_if = {
130 NULL, /* open */
131 snapper_close,
132 NULL,
133 snapper_query_encoding,
134 snapper_set_params,
135 snapper_round_blocksize,
136 NULL,
137 NULL,
138 NULL,
139 NULL,
140 NULL,
141 snapper_halt_output,
142 snapper_halt_input,
143 NULL,
144 snapper_getdev,
145 NULL,
146 snapper_set_port,
147 snapper_get_port,
148 snapper_query_devinfo,
149 NULL,
150 NULL,
151 snapper_round_buffersize,
152 snapper_mappage,
153 snapper_get_props,
154 snapper_trigger_output,
155 snapper_trigger_input,
156 NULL
157 };
158
159 struct audio_device snapper_device = {
160 "SNAPPER",
161 "",
162 "snapper"
163 };
164
165 #define SNAPPER_NFORMATS 1
166 static const struct audio_format snapper_formats[SNAPPER_NFORMATS] = {
167 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 16, 16,
168 2, AUFMT_STEREO, 3, {8000, 44100, 48000}},
169 };
170
171 static u_char *amp_mute;
172 static u_char *headphone_mute;
173 static u_char *audio_hw_reset;
174 static u_char *headphone_detect;
175 static int headphone_detect_active;
176
177
178 /* I2S registers */
179 #define I2S_INT 0x00
180 #define I2S_FORMAT 0x10
181 #define I2S_FRAMECOUNT 0x40
182 #define I2S_FRAMEMATCH 0x50
183 #define I2S_WORDSIZE 0x60
184
185 /* TAS3004 registers */
186 #define DEQ_MCR1 0x01 /* Main control register 1 (1byte) */
187 #define DEQ_DRC 0x02 /* Dynamic range compression (6bytes?) */
188 #define DEQ_VOLUME 0x04 /* Volume (6bytes) */
189 #define DEQ_TREBLE 0x05 /* Treble control (1byte) */
190 #define DEQ_BASS 0x06 /* Bass control (1byte) */
191 #define DEQ_MIXER_L 0x07 /* Mixer left gain (9bytes) */
192 #define DEQ_MIXER_R 0x08 /* Mixer right gain (9bytes) */
193 #define DEQ_LB0 0x0a /* Left biquad 0 (15bytes) */
194 #define DEQ_LB1 0x0b /* Left biquad 1 (15bytes) */
195 #define DEQ_LB2 0x0c /* Left biquad 2 (15bytes) */
196 #define DEQ_LB3 0x0d /* Left biquad 3 (15bytes) */
197 #define DEQ_LB4 0x0e /* Left biquad 4 (15bytes) */
198 #define DEQ_LB5 0x0f /* Left biquad 5 (15bytes) */
199 #define DEQ_LB6 0x10 /* Left biquad 6 (15bytes) */
200 #define DEQ_RB0 0x13 /* Right biquad 0 (15bytes) */
201 #define DEQ_RB1 0x14 /* Right biquad 1 (15bytes) */
202 #define DEQ_RB2 0x15 /* Right biquad 2 (15bytes) */
203 #define DEQ_RB3 0x16 /* Right biquad 3 (15bytes) */
204 #define DEQ_RB4 0x17 /* Right biquad 4 (15bytes) */
205 #define DEQ_RB5 0x18 /* Right biquad 5 (15bytes) */
206 #define DEQ_RB6 0x19 /* Right biquad 6 (15bytes) */
207 #define DEQ_LLB 0x21 /* Left loudness biquad (15bytes) */
208 #define DEQ_RLB 0x22 /* Right loudness biquad (15bytes) */
209 #define DEQ_LLB_GAIN 0x23 /* Left loudness biquad gain (3bytes) */
210 #define DEQ_RLB_GAIN 0x24 /* Right loudness biquad gain (3bytes) */
211 #define DEQ_ACR 0x40 /* Analog control register (1byte) */
212 #define DEQ_MCR2 0x43 /* Main control register 2 (1byte) */
213
214 #define DEQ_MCR1_FL 0x80 /* Fast load */
215 #define DEQ_MCR1_SC 0x40 /* SCLK frequency */
216 #define DEQ_MCR1_SC_32 0x00 /* 32fs */
217 #define DEQ_MCR1_SC_64 0x40 /* 64fs */
218 #define DEQ_MCR1_SM 0x30 /* Output serial port mode */
219 #define DEQ_MCR1_SM_L 0x00 /* Left justified */
220 #define DEQ_MCR1_SM_R 0x10 /* Right justified */
221 #define DEQ_MCR1_SM_I2S 0x20 /* I2S */
222 #define DEQ_MCR1_W 0x03 /* Serial port word length */
223 #define DEQ_MCR1_W_16 0x00 /* 16 bit */
224 #define DEQ_MCR1_W_18 0x01 /* 18 bit */
225 #define DEQ_MCR1_W_20 0x02 /* 20 bit */
226
227 #define DEQ_MCR2_DL 0x80 /* Download */
228 #define DEQ_MCR2_AP 0x02 /* All pass mode */
229
230 #define DEQ_ACR_ADM 0x80 /* ADC output mode */
231 #define DEQ_ACR_LRB 0x40 /* Select B input */
232 #define DEQ_ACR_DM 0x0c /* De-emphasis control */
233 #define DEQ_ACR_DM_OFF 0x00 /* off */
234 #define DEQ_ACR_DM_48 0x04 /* fs = 48kHz */
235 #define DEQ_ACR_DM_44 0x08 /* fs = 44.1kHz */
236 #define DEQ_ACR_INP 0x02 /* Analog input select */
237 #define DEQ_ACR_INP_A 0x00 /* A */
238 #define DEQ_ACR_INP_B 0x02 /* B */
239 #define DEQ_ACR_APD 0x01 /* Analog power down */
240
241 struct tas3004_reg {
242 u_char MCR1[1];
243 u_char DRC[6];
244 u_char VOLUME[6];
245 u_char TREBLE[1];
246 u_char BASS[1];
247 u_char MIXER_L[9];
248 u_char MIXER_R[9];
249 u_char LB0[15];
250 u_char LB1[15];
251 u_char LB2[15];
252 u_char LB3[15];
253 u_char LB4[15];
254 u_char LB5[15];
255 u_char LB6[15];
256 u_char RB0[15];
257 u_char RB1[15];
258 u_char RB2[15];
259 u_char RB3[15];
260 u_char RB4[15];
261 u_char RB5[15];
262 u_char RB6[15];
263 u_char LLB[15];
264 u_char RLB[15];
265 u_char LLB_GAIN[3];
266 u_char RLB_GAIN[3];
267 u_char ACR[1];
268 u_char MCR2[1];
269 };
270
271 #define GPIO_OUTSEL 0xf0 /* Output select */
272 /* 0x00 GPIO bit0 is output
273 0x10 media-bay power
274 0x20 reserved
275 0x30 MPIC */
276
277 #define GPIO_ALTOE 0x08 /* Alternate output enable */
278 /* 0x00 Use DDR
279 0x08 Use output select */
280
281 #define GPIO_DDR 0x04 /* Data direction */
282 #define GPIO_DDR_OUTPUT 0x04 /* Output */
283 #define GPIO_DDR_INPUT 0x00 /* Input */
284
285 #define GPIO_LEVEL 0x02 /* Pin level (RO) */
286
287 #define GPIO_DATA 0x01 /* Data */
288
289 int
290 snapper_match(struct device *parent, struct cfdata *match, void *aux)
291 {
292 struct confargs *ca;
293 int soundbus, soundchip;
294 char compat[32];
295
296 ca = aux;
297 if (strcmp(ca->ca_name, "i2s") != 0)
298 return 0;
299
300 if ((soundbus = OF_child(ca->ca_node)) == 0 ||
301 (soundchip = OF_child(soundbus)) == 0)
302 return 0;
303
304 bzero(compat, sizeof compat);
305 OF_getprop(soundchip, "compatible", compat, sizeof compat);
306
307 if (strcmp(compat, "snapper") != 0)
308 return 0;
309
310 return 1;
311 }
312
313 void
314 snapper_attach(struct device *parent, struct device *self, void *aux)
315 {
316 struct snapper_softc *sc;
317 struct confargs *ca;
318 int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type;
319 int soundbus, intr[6];
320
321 sc = (struct snapper_softc *)self;
322 ca = aux;
323 #ifdef DIAGNOSTIC
324 if ((vaddr_t)sc->sc_odmacmd & 0x0f) {
325 printf(": bad dbdma alignment\n");
326 return;
327 }
328 #endif
329
330 ca->ca_reg[0] += ca->ca_baseaddr;
331 ca->ca_reg[2] += ca->ca_baseaddr;
332 ca->ca_reg[4] += ca->ca_baseaddr;
333
334 sc->sc_node = ca->ca_node;
335 sc->sc_reg = (void *)ca->ca_reg[0];
336 sc->sc_odma = (void *)ca->ca_reg[2];
337 sc->sc_idma = (void *)ca->ca_reg[4];
338
339 soundbus = OF_child(ca->ca_node);
340 OF_getprop(soundbus, "interrupts", intr, sizeof intr);
341 cirq = intr[0];
342 oirq = intr[2];
343 iirq = intr[4];
344 cirq_type = intr[1] ? IST_LEVEL : IST_EDGE;
345 oirq_type = intr[3] ? IST_LEVEL : IST_EDGE;
346 iirq_type = intr[5] ? IST_LEVEL : IST_EDGE;
347
348 /* intr_establish(cirq, cirq_type, IPL_AUDIO, snapper_intr, sc); */
349 intr_establish(oirq, oirq_type, IPL_AUDIO, snapper_intr, sc);
350 /* intr_establish(iirq, iirq_type, IPL_AUDIO, snapper_intr, sc); */
351
352 printf("%s: irq %d,%d,%d\n", sc->sc_dev.dv_xname, cirq, oirq, iirq);
353
354 config_interrupts(self, snapper_defer);
355 }
356
357 void
358 snapper_defer(struct device *dev)
359 {
360 struct snapper_softc *sc;
361 struct device *dv;
362
363 sc = (struct snapper_softc *)dev;
364 for (dv = alldevs.tqh_first; dv; dv=dv->dv_list.tqe_next)
365 if (strncmp(dv->dv_xname, "ki2c", 4) == 0 &&
366 strncmp(dv->dv_parent->dv_xname, "obio", 4) == 0)
367 sc->sc_i2c = dv;
368 if (sc->sc_i2c == NULL) {
369 printf("%s: unable to find i2c\n", sc->sc_dev.dv_xname);
370 return;
371 }
372
373 /* XXX If i2c was failed to attach, what should we do? */
374
375 audio_attach_mi(&snapper_hw_if, sc, &sc->sc_dev);
376
377 /* ki2c_setmode(sc->sc_i2c, I2C_STDSUBMODE); */
378 snapper_init(sc, sc->sc_node);
379 }
380
381 int
382 snapper_intr(void *v)
383 {
384 struct snapper_softc *sc;
385 struct dbdma_command *cmd;
386 int count;
387 int status;
388
389 sc = v;
390 cmd = sc->sc_odmacmd;
391 count = sc->sc_opages;
392 /* Fill used buffer(s). */
393 while (count-- > 0) {
394 if ((dbdma_ld16(&cmd->d_command) & 0x30) == 0x30) {
395 status = dbdma_ld16(&cmd->d_status);
396 cmd->d_status = 0;
397 if (status) /* status == 0x8400 */
398 if (sc->sc_ointr)
399 (*sc->sc_ointr)(sc->sc_oarg);
400 }
401 cmd++;
402 }
403
404 return 1;
405 }
406
407 /*
408 * Close function is called at splaudio().
409 */
410 void
411 snapper_close(void *h)
412 {
413 struct snapper_softc *sc;
414
415 sc = h;
416 snapper_halt_output(sc);
417 snapper_halt_input(sc);
418
419 sc->sc_ointr = 0;
420 sc->sc_iintr = 0;
421 }
422
423 int
424 snapper_query_encoding(void *h, struct audio_encoding *ae)
425 {
426
427 ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
428 switch (ae->index) {
429 case 0:
430 strcpy(ae->name, AudioEslinear);
431 ae->encoding = AUDIO_ENCODING_SLINEAR;
432 ae->precision = 16;
433 ae->flags = 0;
434 return 0;
435 case 1:
436 strcpy(ae->name, AudioEslinear_be);
437 ae->encoding = AUDIO_ENCODING_SLINEAR_BE;
438 ae->precision = 16;
439 ae->flags = 0;
440 return 0;
441 case 2:
442 strcpy(ae->name, AudioEslinear_le);
443 ae->encoding = AUDIO_ENCODING_SLINEAR_LE;
444 ae->precision = 16;
445 return 0;
446 case 3:
447 strcpy(ae->name, AudioEulinear_be);
448 ae->encoding = AUDIO_ENCODING_ULINEAR_BE;
449 ae->precision = 16;
450 return 0;
451 case 4:
452 strcpy(ae->name, AudioEulinear_le);
453 ae->encoding = AUDIO_ENCODING_ULINEAR_LE;
454 ae->precision = 16;
455 return 0;
456 case 5:
457 strcpy(ae->name, AudioEmulaw);
458 ae->encoding = AUDIO_ENCODING_ULAW;
459 ae->precision = 8;
460 return 0;
461 case 6:
462 strcpy(ae->name, AudioEalaw);
463 ae->encoding = AUDIO_ENCODING_ALAW;
464 ae->precision = 8;
465 return 0;
466 default:
467 return EINVAL;
468 }
469 }
470
471 int
472 snapper_set_params(void *h, int setmode, int usemode,
473 audio_params_t *play, audio_params_t *rec,
474 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
475 {
476 struct snapper_softc *sc;
477 audio_params_t *p;
478 stream_filter_list_t *fil;
479 int mode;
480
481 sc = h;
482 p = NULL;
483
484 /*
485 * This device only has one clock, so make the sample rates match.
486 */
487 if (play->sample_rate != rec->sample_rate &&
488 usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
489 if (setmode == AUMODE_PLAY) {
490 rec->sample_rate = play->sample_rate;
491 setmode |= AUMODE_RECORD;
492 } else if (setmode == AUMODE_RECORD) {
493 play->sample_rate = rec->sample_rate;
494 setmode |= AUMODE_PLAY;
495 } else
496 return EINVAL;
497 }
498
499 for (mode = AUMODE_RECORD; mode != -1;
500 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
501 if ((setmode & mode) == 0)
502 continue;
503
504 p = mode == AUMODE_PLAY ? play : rec;
505 if (p->sample_rate < 4000 || p->sample_rate > 50000)
506 return EINVAL;
507
508 fil = mode == AUMODE_PLAY ? pfil : rfil;
509 if (auconv_set_converter(snapper_formats, SNAPPER_NFORMATS,
510 mode, p, TRUE, fil) < 0)
511 return EINVAL;
512 if (fil->req_size > 0)
513 p = &fil->filters[0].param;
514 }
515
516 /* Set the speed. p points HW encoding. */
517 if (snapper_set_rate(sc, p->sample_rate))
518 return EINVAL;
519
520 return 0;
521 }
522
523 int
524 snapper_round_blocksize(void *h, int size, int mode,
525 const audio_params_t *param)
526 {
527
528 if (size < NBPG)
529 size = NBPG;
530 return size & ~PGOFSET;
531 }
532
533 int
534 snapper_halt_output(void *h)
535 {
536 struct snapper_softc *sc;
537
538 sc = h;
539 dbdma_stop(sc->sc_odma);
540 dbdma_reset(sc->sc_odma);
541 return 0;
542 }
543
544 int
545 snapper_halt_input(void *h)
546 {
547 struct snapper_softc *sc;
548
549 sc = h;
550 dbdma_stop(sc->sc_idma);
551 dbdma_reset(sc->sc_idma);
552 return 0;
553 }
554
555 int
556 snapper_getdev(void *h, struct audio_device *retp)
557 {
558
559 *retp = snapper_device;
560 return 0;
561 }
562
563 enum {
564 SNAPPER_MONITOR_CLASS,
565 SNAPPER_OUTPUT_CLASS,
566 SNAPPER_RECORD_CLASS,
567 SNAPPER_OUTPUT_SELECT,
568 SNAPPER_VOL_OUTPUT,
569 SNAPPER_INPUT_SELECT,
570 SNAPPER_VOL_INPUT,
571 SNAPPER_ENUM_LAST
572 };
573
574 int
575 snapper_set_port(void *h, mixer_ctrl_t *mc)
576 {
577 struct snapper_softc *sc;
578 int l, r;
579
580 DPRINTF("snapper_set_port dev = %d, type = %d\n", mc->dev, mc->type);
581 sc = h;
582 l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
583 r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
584
585 switch (mc->dev) {
586 case SNAPPER_OUTPUT_SELECT:
587 /* No change necessary? */
588 if (mc->un.mask == sc->sc_output_mask)
589 return 0;
590
591 snapper_mute_speaker(sc, 1);
592 snapper_mute_headphone(sc, 1);
593 if (mc->un.mask & 1 << 0)
594 snapper_mute_speaker(sc, 0);
595 if (mc->un.mask & 1 << 1)
596 snapper_mute_headphone(sc, 0);
597
598 sc->sc_output_mask = mc->un.mask;
599 return 0;
600
601 case SNAPPER_VOL_OUTPUT:
602 snapper_set_volume(sc, l, r);
603 return 0;
604
605 case SNAPPER_INPUT_SELECT:
606 /* no change necessary? */
607 if (mc->un.mask == sc->sc_record_source)
608 return 0;
609 switch (mc->un.mask) {
610 case 1 << 0: /* CD */
611 case 1 << 1: /* microphone */
612 case 1 << 2: /* line in */
613 /* XXX TO BE DONE */
614 break;
615 default: /* invalid argument */
616 return EINVAL;
617 }
618 sc->sc_record_source = mc->un.mask;
619 return 0;
620
621 case SNAPPER_VOL_INPUT:
622 /* XXX TO BE DONE */
623 return 0;
624 }
625
626 return ENXIO;
627 }
628
629 int
630 snapper_get_port(void *h, mixer_ctrl_t *mc)
631 {
632 struct snapper_softc *sc;
633
634 DPRINTF("snapper_get_port dev = %d, type = %d\n", mc->dev, mc->type);
635 sc = h;
636 switch (mc->dev) {
637 case SNAPPER_OUTPUT_SELECT:
638 mc->un.mask = sc->sc_output_mask;
639 return 0;
640
641 case SNAPPER_VOL_OUTPUT:
642 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->sc_vol_l;
643 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->sc_vol_r;
644 return 0;
645
646 case SNAPPER_INPUT_SELECT:
647 mc->un.mask = sc->sc_record_source;
648 return 0;
649
650 case SNAPPER_VOL_INPUT:
651 /* XXX TO BE DONE */
652 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 0;
653 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 0;
654 return 0;
655
656 default:
657 return ENXIO;
658 }
659
660 return 0;
661 }
662
663 int
664 snapper_query_devinfo(void *h, mixer_devinfo_t *dip)
665 {
666 switch (dip->index) {
667
668 case SNAPPER_OUTPUT_SELECT:
669 dip->mixer_class = SNAPPER_MONITOR_CLASS;
670 strcpy(dip->label.name, AudioNoutput);
671 dip->type = AUDIO_MIXER_SET;
672 dip->prev = dip->next = AUDIO_MIXER_LAST;
673 dip->un.s.num_mem = 2;
674 strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
675 dip->un.s.member[0].mask = 1 << 0;
676 strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
677 dip->un.s.member[1].mask = 1 << 1;
678 return 0;
679
680 case SNAPPER_VOL_OUTPUT:
681 dip->mixer_class = SNAPPER_MONITOR_CLASS;
682 strcpy(dip->label.name, AudioNmaster);
683 dip->type = AUDIO_MIXER_VALUE;
684 dip->prev = dip->next = AUDIO_MIXER_LAST;
685 dip->un.v.num_channels = 2;
686 strcpy(dip->un.v.units.name, AudioNvolume);
687 return 0;
688
689 case SNAPPER_INPUT_SELECT:
690 dip->mixer_class = SNAPPER_RECORD_CLASS;
691 strcpy(dip->label.name, AudioNsource);
692 dip->type = AUDIO_MIXER_SET;
693 dip->prev = dip->next = AUDIO_MIXER_LAST;
694 dip->un.s.num_mem = 3;
695 strcpy(dip->un.s.member[0].label.name, AudioNcd);
696 dip->un.s.member[0].mask = 1 << 0;
697 strcpy(dip->un.s.member[1].label.name, AudioNmicrophone);
698 dip->un.s.member[1].mask = 1 << 1;
699 strcpy(dip->un.s.member[2].label.name, AudioNline);
700 dip->un.s.member[2].mask = 1 << 2;
701 return 0;
702
703 case SNAPPER_VOL_INPUT:
704 dip->mixer_class = SNAPPER_RECORD_CLASS;
705 strcpy(dip->label.name, AudioNrecord);
706 dip->type = AUDIO_MIXER_VALUE;
707 dip->prev = dip->next = AUDIO_MIXER_LAST;
708 dip->un.v.num_channels = 2;
709 strcpy(dip->un.v.units.name, AudioNvolume);
710 return 0;
711
712 case SNAPPER_MONITOR_CLASS:
713 dip->mixer_class = SNAPPER_MONITOR_CLASS;
714 strcpy(dip->label.name, AudioCmonitor);
715 dip->type = AUDIO_MIXER_CLASS;
716 dip->next = dip->prev = AUDIO_MIXER_LAST;
717 return 0;
718
719 case SNAPPER_OUTPUT_CLASS:
720 dip->mixer_class = SNAPPER_OUTPUT_CLASS;
721 strcpy(dip->label.name, AudioCoutputs);
722 dip->type = AUDIO_MIXER_CLASS;
723 dip->next = dip->prev = AUDIO_MIXER_LAST;
724 return 0;
725
726 case SNAPPER_RECORD_CLASS:
727 dip->mixer_class = SNAPPER_RECORD_CLASS;
728 strcpy(dip->label.name, AudioCrecord);
729 dip->type = AUDIO_MIXER_CLASS;
730 dip->next = dip->prev = AUDIO_MIXER_LAST;
731 return 0;
732 }
733
734 return ENXIO;
735 }
736
737 size_t
738 snapper_round_buffersize(void *h, int dir, size_t size)
739 {
740
741 if (size > 65536)
742 size = 65536;
743 return size;
744 }
745
746 paddr_t
747 snapper_mappage(void *h, void *mem, off_t off, int prot)
748 {
749
750 if (off < 0)
751 return -1;
752 return -1; /* XXX */
753 }
754
755 int
756 snapper_get_props(void *h)
757 {
758 return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
759 }
760
761 int
762 snapper_trigger_output(void *h, void *start, void *end, int bsize,
763 void (*intr)(void *), void *arg,
764 const audio_params_t *param)
765 {
766 struct snapper_softc *sc;
767 struct dbdma_command *cmd;
768 vaddr_t va;
769 int i, len, intmode;
770
771 DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
772 sc = h;
773 cmd = sc->sc_odmacmd;
774 sc->sc_ointr = intr;
775 sc->sc_oarg = arg;
776 sc->sc_opages = ((char *)end - (char *)start) / NBPG;
777
778 #ifdef DIAGNOSTIC
779 if (sc->sc_opages > 16)
780 panic("snapper_trigger_output");
781 #endif
782
783 va = (vaddr_t)start;
784 len = 0;
785 for (i = sc->sc_opages; i > 0; i--) {
786 len += NBPG;
787 if (len < bsize)
788 intmode = 0;
789 else {
790 len = 0;
791 intmode = DBDMA_INT_ALWAYS;
792 }
793
794 DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, NBPG, vtophys(va),
795 intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
796 cmd++;
797 va += NBPG;
798 }
799
800 DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0,
801 0/*vtophys((vaddr_t)sc->sc_odmacmd)*/, 0, DBDMA_WAIT_NEVER,
802 DBDMA_BRANCH_ALWAYS);
803
804 dbdma_st32(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
805
806 dbdma_start(sc->sc_odma, sc->sc_odmacmd);
807
808 return 0;
809 }
810
811 int
812 snapper_trigger_input(void *h, void *start, void *end, int bsize,
813 void (*intr)(void *), void *arg,
814 const audio_params_t *param)
815 {
816
817 printf("snapper_trigger_input called\n");
818 return 1;
819 }
820
821 void
822 snapper_set_volume(struct snapper_softc *sc, int left, int right)
823 {
824 u_char vol[6];
825
826 sc->sc_vol_l = left;
827 sc->sc_vol_r = right;
828
829 left <<= 8; /* XXX for now */
830 right <<= 8;
831
832 vol[0] = left >> 16;
833 vol[1] = left >> 8;
834 vol[2] = left;
835 vol[3] = right >> 16;
836 vol[4] = right >> 8;
837 vol[5] = right;
838
839 tas3004_write(sc, DEQ_VOLUME, vol);
840 }
841
842 #define CLKSRC_49MHz 0x80000000 /* Use 49152000Hz Osc. */
843 #define CLKSRC_45MHz 0x40000000 /* Use 45158400Hz Osc. */
844 #define CLKSRC_18MHz 0x00000000 /* Use 18432000Hz Osc. */
845 #define MCLK_DIV 0x1f000000 /* MCLK = SRC / DIV */
846 #define MCLK_DIV1 0x14000000 /* MCLK = SRC */
847 #define MCLK_DIV3 0x13000000 /* MCLK = SRC / 3 */
848 #define MCLK_DIV5 0x12000000 /* MCLK = SRC / 5 */
849 #define SCLK_DIV 0x00f00000 /* SCLK = MCLK / DIV */
850 #define SCLK_DIV1 0x00800000
851 #define SCLK_DIV3 0x00900000
852 #define SCLK_MASTER 0x00080000 /* Master mode */
853 #define SCLK_SLAVE 0x00000000 /* Slave mode */
854 #define SERIAL_FORMAT 0x00070000
855 #define SERIAL_SONY 0x00000000
856 #define SERIAL_64x 0x00010000
857 #define SERIAL_32x 0x00020000
858 #define SERIAL_DAV 0x00040000
859 #define SERIAL_SILICON 0x00050000
860
861 // rate = fs = LRCLK
862 // SCLK = 64*LRCLK (I2S)
863 // MCLK = 256fs (typ. -- changeable)
864
865 // MCLK = clksrc / mdiv
866 // SCLK = MCLK / sdiv
867 // rate = SCLK / 64 ( = LRCLK = fs)
868
869 int
870 snapper_set_rate(struct snapper_softc *sc, u_int rate)
871 {
872 u_int reg;
873 int MCLK;
874 int clksrc, mdiv, sdiv;
875 int mclk_fs;
876
877 reg = 0;
878 switch (rate) {
879 case 8000:
880 clksrc = 18432000; /* 18MHz */
881 reg = CLKSRC_18MHz;
882 mclk_fs = 256;
883 break;
884
885 case 44100:
886 clksrc = 45158400; /* 45MHz */
887 reg = CLKSRC_45MHz;
888 mclk_fs = 256;
889 break;
890
891 case 48000:
892 clksrc = 49152000; /* 49MHz */
893 reg = CLKSRC_49MHz;
894 mclk_fs = 256;
895 break;
896
897 default:
898 return EINVAL;
899 }
900
901 MCLK = rate * mclk_fs;
902 mdiv = clksrc / MCLK; // 4
903 sdiv = mclk_fs / 64; // 4
904
905 switch (mdiv) {
906 case 1:
907 reg |= MCLK_DIV1;
908 break;
909 case 3:
910 reg |= MCLK_DIV3;
911 break;
912 case 5:
913 reg |= MCLK_DIV5;
914 break;
915 default:
916 reg |= ((mdiv / 2 - 1) << 24) & 0x1f000000;
917 break;
918 }
919
920 switch (sdiv) {
921 case 1:
922 reg |= SCLK_DIV1;
923 break;
924 case 3:
925 reg |= SCLK_DIV3;
926 break;
927 default:
928 reg |= ((sdiv / 2 - 1) << 20) & 0x00f00000;
929 break;
930 }
931
932 reg |= SCLK_MASTER; /* XXX master mode */
933
934 reg |= SERIAL_64x;
935
936 /* stereo input and output */
937 DPRINTF("I2SSetDataWordSizeReg 0x%08x -> 0x%08x\n",
938 in32rb(sc->sc_reg + I2S_WORDSIZE), 0x02000200);
939 out32rb(sc->sc_reg + I2S_WORDSIZE, 0x02000200);
940
941 DPRINTF("I2SSetSerialFormatReg 0x%x -> 0x%x\n",
942 in32rb(sc->sc_reg + I2S_FORMAT), reg);
943 out32rb(sc->sc_reg + I2S_FORMAT, reg);
944
945 return 0;
946 }
947
948 #define DEQaddr 0x6a
949
950 const struct tas3004_reg tas3004_initdata = {
951 { DEQ_MCR1_SC_64 | DEQ_MCR1_SM_I2S | DEQ_MCR1_W_20 }, /* MCR1 */
952 { 1, 0, 0, 0, 0, 0 }, /* DRC */
953 { 0, 0, 0, 0, 0, 0 }, /* VOLUME */
954 { 0x72 }, /* TREBLE */
955 { 0x72 }, /* BASS */
956 { 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 }, /* MIXER_L */
957 { 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 }, /* MIXER_R */
958 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
959 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
960 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
961 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
962 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
963 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
964 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
965 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
966 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
967 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
968 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
969 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
970 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
971 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
972 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
973 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
974 { 0, 0, 0 }, /* LLB_GAIN */
975 { 0, 0, 0 }, /* RLB_GAIN */
976 { 0 }, /* ACR */
977 { 0 } /* MCR2 */
978 };
979
980 const char tas3004_regsize[] = {
981 0, /* 0x00 */
982 sizeof tas3004_initdata.MCR1, /* 0x01 */
983 sizeof tas3004_initdata.DRC, /* 0x02 */
984 0, /* 0x03 */
985 sizeof tas3004_initdata.VOLUME, /* 0x04 */
986 sizeof tas3004_initdata.TREBLE, /* 0x05 */
987 sizeof tas3004_initdata.BASS, /* 0x06 */
988 sizeof tas3004_initdata.MIXER_L, /* 0x07 */
989 sizeof tas3004_initdata.MIXER_R, /* 0x08 */
990 0, /* 0x09 */
991 sizeof tas3004_initdata.LB0, /* 0x0a */
992 sizeof tas3004_initdata.LB1, /* 0x0b */
993 sizeof tas3004_initdata.LB2, /* 0x0c */
994 sizeof tas3004_initdata.LB3, /* 0x0d */
995 sizeof tas3004_initdata.LB4, /* 0x0e */
996 sizeof tas3004_initdata.LB5, /* 0x0f */
997 sizeof tas3004_initdata.LB6, /* 0x10 */
998 0, /* 0x11 */
999 0, /* 0x12 */
1000 sizeof tas3004_initdata.RB0, /* 0x13 */
1001 sizeof tas3004_initdata.RB1, /* 0x14 */
1002 sizeof tas3004_initdata.RB2, /* 0x15 */
1003 sizeof tas3004_initdata.RB3, /* 0x16 */
1004 sizeof tas3004_initdata.RB4, /* 0x17 */
1005 sizeof tas3004_initdata.RB5, /* 0x18 */
1006 sizeof tas3004_initdata.RB6, /* 0x19 */
1007 0,0,0,0, 0,0,
1008 0, /* 0x20 */
1009 sizeof tas3004_initdata.LLB, /* 0x21 */
1010 sizeof tas3004_initdata.RLB, /* 0x22 */
1011 sizeof tas3004_initdata.LLB_GAIN, /* 0x23 */
1012 sizeof tas3004_initdata.RLB_GAIN, /* 0x24 */
1013 0,0,0,0, 0,0,0,0, 0,0,0,
1014 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
1015 sizeof tas3004_initdata.ACR, /* 0x40 */
1016 0, /* 0x41 */
1017 0, /* 0x42 */
1018 sizeof tas3004_initdata.MCR2 /* 0x43 */
1019 };
1020
1021 int
1022 tas3004_write(struct snapper_softc *sc, u_int reg, const void *data)
1023 {
1024 int size;
1025
1026 KASSERT(reg < sizeof tas3004_regsize);
1027 size = tas3004_regsize[reg];
1028 KASSERT(size > 0);
1029
1030 if (ki2c_write(sc->sc_i2c, DEQaddr, reg, data, size))
1031 return -1;
1032
1033 return 0;
1034 }
1035
1036 int
1037 gpio_read(char *addr)
1038 {
1039
1040 if (*addr & GPIO_DATA)
1041 return 1;
1042 return 0;
1043 }
1044
1045 void
1046 gpio_write(char *addr, int val)
1047 {
1048 u_int data;
1049
1050 data = GPIO_DDR_OUTPUT;
1051 if (val)
1052 data |= GPIO_DATA;
1053 *addr = data;
1054 asm volatile ("eieio");
1055 }
1056
1057 #define headphone_active 0 /* XXX OF */
1058 #define amp_active 0 /* XXX OF */
1059
1060 void
1061 snapper_mute_speaker(struct snapper_softc *sc, int mute)
1062 {
1063 u_int x;
1064
1065 DPRINTF("ampmute %d --> ", gpio_read(amp_mute));
1066
1067 if (mute)
1068 x = amp_active; /* mute */
1069 else
1070 x = !amp_active; /* unmute */
1071 if (x != gpio_read(amp_mute))
1072 gpio_write(amp_mute, x);
1073
1074 DPRINTF("%d\n", gpio_read(amp_mute));
1075 }
1076
1077 void
1078 snapper_mute_headphone(struct snapper_softc *sc, int mute)
1079 {
1080 u_int x;
1081
1082 DPRINTF("headphonemute %d --> ", gpio_read(headphone_mute));
1083
1084 if (mute)
1085 x = headphone_active; /* mute */
1086 else
1087 x = !headphone_active; /* unmute */
1088 if (x != gpio_read(headphone_mute))
1089 gpio_write(headphone_mute, x);
1090
1091 DPRINTF("%d\n", gpio_read(headphone_mute));
1092 }
1093
1094 int
1095 snapper_cint(void *v)
1096 {
1097 struct snapper_softc *sc;
1098 u_int sense;
1099
1100 sc = v;
1101 sense = *headphone_detect;
1102 DPRINTF("headphone detect = 0x%x\n", sense);
1103
1104 if (((sense & 0x02) >> 1) == headphone_detect_active) {
1105 DPRINTF("headphone is inserted\n");
1106 snapper_mute_speaker(sc, 1);
1107 snapper_mute_headphone(sc, 0);
1108 sc->sc_output_mask = 1 << 1;
1109 } else {
1110 DPRINTF("headphone is NOT inserted\n");
1111 snapper_mute_speaker(sc, 0);
1112 snapper_mute_headphone(sc, 1);
1113 sc->sc_output_mask = 1 << 0;
1114 }
1115
1116 return 1;
1117 }
1118
1119 #define reset_active 0 /* XXX OF */
1120
1121 #define DEQ_WRITE(sc, reg, addr) \
1122 if (tas3004_write(sc, reg, addr)) goto err
1123
1124 int
1125 tas3004_init(struct snapper_softc *sc)
1126 {
1127
1128 /* No reset port. Nothing to do. */
1129 if (audio_hw_reset == NULL)
1130 goto noreset;
1131
1132 /* Reset TAS3004. */
1133 gpio_write(audio_hw_reset, !reset_active); /* Negate RESET */
1134 delay(100000); /* XXX Really needed? */
1135
1136 gpio_write(audio_hw_reset, reset_active); /* Assert RESET */
1137 delay(1);
1138
1139 gpio_write(audio_hw_reset, !reset_active); /* Negate RESET */
1140 delay(10000);
1141
1142 noreset:
1143 DEQ_WRITE(sc, DEQ_LB0, tas3004_initdata.LB0);
1144 DEQ_WRITE(sc, DEQ_LB1, tas3004_initdata.LB1);
1145 DEQ_WRITE(sc, DEQ_LB2, tas3004_initdata.LB2);
1146 DEQ_WRITE(sc, DEQ_LB3, tas3004_initdata.LB3);
1147 DEQ_WRITE(sc, DEQ_LB4, tas3004_initdata.LB4);
1148 DEQ_WRITE(sc, DEQ_LB5, tas3004_initdata.LB5);
1149 DEQ_WRITE(sc, DEQ_LB6, tas3004_initdata.LB6);
1150 DEQ_WRITE(sc, DEQ_RB0, tas3004_initdata.RB0);
1151 DEQ_WRITE(sc, DEQ_RB1, tas3004_initdata.RB1);
1152 DEQ_WRITE(sc, DEQ_RB1, tas3004_initdata.RB1);
1153 DEQ_WRITE(sc, DEQ_RB2, tas3004_initdata.RB2);
1154 DEQ_WRITE(sc, DEQ_RB3, tas3004_initdata.RB3);
1155 DEQ_WRITE(sc, DEQ_RB4, tas3004_initdata.RB4);
1156 DEQ_WRITE(sc, DEQ_RB5, tas3004_initdata.RB5);
1157 DEQ_WRITE(sc, DEQ_MCR1, tas3004_initdata.MCR1);
1158 DEQ_WRITE(sc, DEQ_MCR2, tas3004_initdata.MCR2);
1159 DEQ_WRITE(sc, DEQ_DRC, tas3004_initdata.DRC);
1160 DEQ_WRITE(sc, DEQ_VOLUME, tas3004_initdata.VOLUME);
1161 DEQ_WRITE(sc, DEQ_TREBLE, tas3004_initdata.TREBLE);
1162 DEQ_WRITE(sc, DEQ_BASS, tas3004_initdata.BASS);
1163 DEQ_WRITE(sc, DEQ_MIXER_L, tas3004_initdata.MIXER_L);
1164 DEQ_WRITE(sc, DEQ_MIXER_R, tas3004_initdata.MIXER_R);
1165 DEQ_WRITE(sc, DEQ_LLB, tas3004_initdata.LLB);
1166 DEQ_WRITE(sc, DEQ_RLB, tas3004_initdata.RLB);
1167 DEQ_WRITE(sc, DEQ_LLB_GAIN, tas3004_initdata.LLB_GAIN);
1168 DEQ_WRITE(sc, DEQ_RLB_GAIN, tas3004_initdata.RLB_GAIN);
1169 DEQ_WRITE(sc, DEQ_ACR, tas3004_initdata.ACR);
1170
1171 return 0;
1172 err:
1173 printf("tas3004_init: error\n");
1174 return -1;
1175 }
1176
1177 /* FCR(0x3c) bits */
1178 #define I2S0CLKEN 0x1000
1179 #define I2S0EN 0x2000
1180 #define I2S1CLKEN 0x080000
1181 #define I2S1EN 0x100000
1182
1183 #define FCR3C_BITMASK "\020\25I2S1EN\24I2S1CLKEN\16I2S0EN\15I2S0CLKEN"
1184
1185 void
1186 snapper_init(struct snapper_softc *sc, int node)
1187 {
1188 int gpio;
1189 int headphone_detect_intr, headphone_detect_intrtype;
1190 #ifdef SNAPPER_DEBUG
1191 char fcr[32];
1192
1193 bitmask_snprintf(in32rb(0x8000003c), FCR3C_BITMASK, fcr, sizeof fcr);
1194 printf("FCR(0x3c) 0x%s\n", fcr);
1195 #endif
1196 headphone_detect_intr = -1;
1197
1198 gpio = getnodebyname(OF_parent(node), "gpio");
1199 DPRINTF(" /gpio 0x%x\n", gpio);
1200 gpio = OF_child(gpio);
1201 while (gpio) {
1202 char name[64], audio_gpio[64];
1203 int intr[2];
1204 char *addr;
1205
1206 bzero(name, sizeof name);
1207 bzero(audio_gpio, sizeof audio_gpio);
1208 addr = 0;
1209 OF_getprop(gpio, "name", name, sizeof name);
1210 OF_getprop(gpio, "audio-gpio", audio_gpio, sizeof audio_gpio);
1211 OF_getprop(gpio, "AAPL,address", &addr, sizeof addr);
1212 /* printf("0x%x %s %s\n", gpio, name, audio_gpio); */
1213
1214 /* gpio5 */
1215 if (strcmp(audio_gpio, "headphone-mute") == 0)
1216 headphone_mute = addr;
1217 /* gpio6 */
1218 if (strcmp(audio_gpio, "amp-mute") == 0)
1219 amp_mute = addr;
1220 /* extint-gpio15 */
1221 if (strcmp(audio_gpio, "headphone-detect") == 0) {
1222 headphone_detect = addr;
1223 OF_getprop(gpio, "audio-gpio-active-state",
1224 &headphone_detect_active, 4);
1225 OF_getprop(gpio, "interrupts", intr, 8);
1226 headphone_detect_intr = intr[0];
1227 headphone_detect_intrtype = intr[1];
1228 }
1229 /* gpio11 (keywest-11) */
1230 if (strcmp(audio_gpio, "audio-hw-reset") == 0)
1231 audio_hw_reset = addr;
1232 gpio = OF_peer(gpio);
1233 }
1234 DPRINTF(" headphone-mute %p\n", headphone_mute);
1235 DPRINTF(" amp-mute %p\n", amp_mute);
1236 DPRINTF(" headphone-detect %p\n", headphone_detect);
1237 DPRINTF(" headphone-detect active %x\n", headphone_detect_active);
1238 DPRINTF(" headphone-detect intr %x\n", headphone_detect_intr);
1239 DPRINTF(" audio-hw-reset %p\n", audio_hw_reset);
1240
1241 if (headphone_detect_intr != -1)
1242 intr_establish(headphone_detect_intr, IST_EDGE, IPL_AUDIO,
1243 snapper_cint, sc);
1244
1245 /* "sample-rates" (44100, 48000) */
1246 snapper_set_rate(sc, 44100);
1247
1248 /* Enable headphone interrupt? */
1249 *headphone_detect |= 0x80;
1250 asm volatile ("eieio");
1251
1252 /* i2c_set_port(port); */
1253
1254 #if 1
1255 /* Enable I2C interrupts. */
1256 #define IER 4
1257 #define I2C_INT_DATA 0x01
1258 #define I2C_INT_ADDR 0x02
1259 #define I2C_INT_STOP 0x04
1260 ki2c_writereg(sc->sc_i2c, IER,I2C_INT_DATA|I2C_INT_ADDR|I2C_INT_STOP);
1261 #endif
1262
1263 if (tas3004_init(sc))
1264 return;
1265
1266 /* Update headphone status. */
1267 snapper_cint(sc);
1268
1269 snapper_set_volume(sc, 80, 80);
1270 }
1271