snapper.c revision 1.5 1 /* $NetBSD: snapper.c,v 1.5 2005/01/25 19:05:22 briggs 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 unsigned char dbdma_cmdspace[sizeof(struct dbdma_command) * 40 + 15];
81 struct dbdma_command *sc_odmacmd;
82 struct dbdma_command *sc_idmacmd;
83 };
84
85 int snapper_match(struct device *, struct cfdata *, void *);
86 void snapper_attach(struct device *, struct device *, void *);
87 void snapper_defer(struct device *);
88 int snapper_intr(void *);
89 void snapper_close(void *);
90 int snapper_query_encoding(void *, struct audio_encoding *);
91 int snapper_set_params(void *, int, int, audio_params_t *,
92 audio_params_t *, stream_filter_list_t *, stream_filter_list_t *);
93 int snapper_round_blocksize(void *, int, int, const audio_params_t *);
94 int snapper_halt_output(void *);
95 int snapper_halt_input(void *);
96 int snapper_getdev(void *, struct audio_device *);
97 int snapper_set_port(void *, mixer_ctrl_t *);
98 int snapper_get_port(void *, mixer_ctrl_t *);
99 int snapper_query_devinfo(void *, mixer_devinfo_t *);
100 size_t snapper_round_buffersize(void *, int, size_t);
101 paddr_t snapper_mappage(void *, void *, off_t, int);
102 int snapper_get_props(void *);
103 int snapper_trigger_output(void *, void *, void *, int, void (*)(void *),
104 void *, const audio_params_t *);
105 int snapper_trigger_input(void *, void *, void *, int, void (*)(void *),
106 void *, const audio_params_t *);
107 void snapper_set_volume(struct snapper_softc *, int, int);
108 int snapper_set_rate(struct snapper_softc *, u_int);
109
110 int tas3004_write(struct snapper_softc *, u_int, const void *);
111 static int gpio_read(char *);
112 static void gpio_write(char *, int);
113 void snapper_mute_speaker(struct snapper_softc *, int);
114 void snapper_mute_headphone(struct snapper_softc *, int);
115 int snapper_cint(void *);
116 int tas3004_init(struct snapper_softc *);
117 void snapper_init(struct snapper_softc *, int);
118
119 /* XXX */
120 int ki2c_setmode(struct device *, int);
121 int ki2c_write(struct device *, int, int, const void *, int);
122 void ki2c_writereg(struct device *, int, u_int);
123
124
125 struct cfattach snapper_ca = {
126 "snapper", {}, sizeof(struct snapper_softc),
127 snapper_match, snapper_attach
128 };
129
130 const struct audio_hw_if snapper_hw_if = {
131 NULL, /* open */
132 snapper_close,
133 NULL,
134 snapper_query_encoding,
135 snapper_set_params,
136 snapper_round_blocksize,
137 NULL,
138 NULL,
139 NULL,
140 NULL,
141 NULL,
142 snapper_halt_output,
143 snapper_halt_input,
144 NULL,
145 snapper_getdev,
146 NULL,
147 snapper_set_port,
148 snapper_get_port,
149 snapper_query_devinfo,
150 NULL,
151 NULL,
152 snapper_round_buffersize,
153 snapper_mappage,
154 snapper_get_props,
155 snapper_trigger_output,
156 snapper_trigger_input,
157 NULL
158 };
159
160 struct audio_device snapper_device = {
161 "SNAPPER",
162 "",
163 "snapper"
164 };
165
166 #define SNAPPER_NFORMATS 1
167 static const struct audio_format snapper_formats[SNAPPER_NFORMATS] = {
168 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_BE, 16, 16,
169 2, AUFMT_STEREO, 3, {8000, 44100, 48000}},
170 };
171
172 static u_char *amp_mute;
173 static u_char *headphone_mute;
174 static u_char *audio_hw_reset;
175 static u_char *headphone_detect;
176 static int headphone_detect_active;
177
178
179 /* I2S registers */
180 #define I2S_INT 0x00
181 #define I2S_FORMAT 0x10
182 #define I2S_FRAMECOUNT 0x40
183 #define I2S_FRAMEMATCH 0x50
184 #define I2S_WORDSIZE 0x60
185
186 /* TAS3004 registers */
187 #define DEQ_MCR1 0x01 /* Main control register 1 (1byte) */
188 #define DEQ_DRC 0x02 /* Dynamic range compression (6bytes?) */
189 #define DEQ_VOLUME 0x04 /* Volume (6bytes) */
190 #define DEQ_TREBLE 0x05 /* Treble control (1byte) */
191 #define DEQ_BASS 0x06 /* Bass control (1byte) */
192 #define DEQ_MIXER_L 0x07 /* Mixer left gain (9bytes) */
193 #define DEQ_MIXER_R 0x08 /* Mixer right gain (9bytes) */
194 #define DEQ_LB0 0x0a /* Left biquad 0 (15bytes) */
195 #define DEQ_LB1 0x0b /* Left biquad 1 (15bytes) */
196 #define DEQ_LB2 0x0c /* Left biquad 2 (15bytes) */
197 #define DEQ_LB3 0x0d /* Left biquad 3 (15bytes) */
198 #define DEQ_LB4 0x0e /* Left biquad 4 (15bytes) */
199 #define DEQ_LB5 0x0f /* Left biquad 5 (15bytes) */
200 #define DEQ_LB6 0x10 /* Left biquad 6 (15bytes) */
201 #define DEQ_RB0 0x13 /* Right biquad 0 (15bytes) */
202 #define DEQ_RB1 0x14 /* Right biquad 1 (15bytes) */
203 #define DEQ_RB2 0x15 /* Right biquad 2 (15bytes) */
204 #define DEQ_RB3 0x16 /* Right biquad 3 (15bytes) */
205 #define DEQ_RB4 0x17 /* Right biquad 4 (15bytes) */
206 #define DEQ_RB5 0x18 /* Right biquad 5 (15bytes) */
207 #define DEQ_RB6 0x19 /* Right biquad 6 (15bytes) */
208 #define DEQ_LLB 0x21 /* Left loudness biquad (15bytes) */
209 #define DEQ_RLB 0x22 /* Right loudness biquad (15bytes) */
210 #define DEQ_LLB_GAIN 0x23 /* Left loudness biquad gain (3bytes) */
211 #define DEQ_RLB_GAIN 0x24 /* Right loudness biquad gain (3bytes) */
212 #define DEQ_ACR 0x40 /* Analog control register (1byte) */
213 #define DEQ_MCR2 0x43 /* Main control register 2 (1byte) */
214
215 #define DEQ_MCR1_FL 0x80 /* Fast load */
216 #define DEQ_MCR1_SC 0x40 /* SCLK frequency */
217 #define DEQ_MCR1_SC_32 0x00 /* 32fs */
218 #define DEQ_MCR1_SC_64 0x40 /* 64fs */
219 #define DEQ_MCR1_SM 0x30 /* Output serial port mode */
220 #define DEQ_MCR1_SM_L 0x00 /* Left justified */
221 #define DEQ_MCR1_SM_R 0x10 /* Right justified */
222 #define DEQ_MCR1_SM_I2S 0x20 /* I2S */
223 #define DEQ_MCR1_W 0x03 /* Serial port word length */
224 #define DEQ_MCR1_W_16 0x00 /* 16 bit */
225 #define DEQ_MCR1_W_18 0x01 /* 18 bit */
226 #define DEQ_MCR1_W_20 0x02 /* 20 bit */
227
228 #define DEQ_MCR2_DL 0x80 /* Download */
229 #define DEQ_MCR2_AP 0x02 /* All pass mode */
230
231 #define DEQ_ACR_ADM 0x80 /* ADC output mode */
232 #define DEQ_ACR_LRB 0x40 /* Select B input */
233 #define DEQ_ACR_DM 0x0c /* De-emphasis control */
234 #define DEQ_ACR_DM_OFF 0x00 /* off */
235 #define DEQ_ACR_DM_48 0x04 /* fs = 48kHz */
236 #define DEQ_ACR_DM_44 0x08 /* fs = 44.1kHz */
237 #define DEQ_ACR_INP 0x02 /* Analog input select */
238 #define DEQ_ACR_INP_A 0x00 /* A */
239 #define DEQ_ACR_INP_B 0x02 /* B */
240 #define DEQ_ACR_APD 0x01 /* Analog power down */
241
242 struct tas3004_reg {
243 u_char MCR1[1];
244 u_char DRC[6];
245 u_char VOLUME[6];
246 u_char TREBLE[1];
247 u_char BASS[1];
248 u_char MIXER_L[9];
249 u_char MIXER_R[9];
250 u_char LB0[15];
251 u_char LB1[15];
252 u_char LB2[15];
253 u_char LB3[15];
254 u_char LB4[15];
255 u_char LB5[15];
256 u_char LB6[15];
257 u_char RB0[15];
258 u_char RB1[15];
259 u_char RB2[15];
260 u_char RB3[15];
261 u_char RB4[15];
262 u_char RB5[15];
263 u_char RB6[15];
264 u_char LLB[15];
265 u_char RLB[15];
266 u_char LLB_GAIN[3];
267 u_char RLB_GAIN[3];
268 u_char ACR[1];
269 u_char MCR2[1];
270 };
271
272 #define GPIO_OUTSEL 0xf0 /* Output select */
273 /* 0x00 GPIO bit0 is output
274 0x10 media-bay power
275 0x20 reserved
276 0x30 MPIC */
277
278 #define GPIO_ALTOE 0x08 /* Alternate output enable */
279 /* 0x00 Use DDR
280 0x08 Use output select */
281
282 #define GPIO_DDR 0x04 /* Data direction */
283 #define GPIO_DDR_OUTPUT 0x04 /* Output */
284 #define GPIO_DDR_INPUT 0x00 /* Input */
285
286 #define GPIO_LEVEL 0x02 /* Pin level (RO) */
287
288 #define GPIO_DATA 0x01 /* Data */
289
290 int
291 snapper_match(struct device *parent, struct cfdata *match, void *aux)
292 {
293 struct confargs *ca;
294 int soundbus, soundchip;
295 char compat[32];
296
297 ca = aux;
298 if (strcmp(ca->ca_name, "i2s") != 0)
299 return 0;
300
301 if ((soundbus = OF_child(ca->ca_node)) == 0 ||
302 (soundchip = OF_child(soundbus)) == 0)
303 return 0;
304
305 bzero(compat, sizeof compat);
306 OF_getprop(soundchip, "compatible", compat, sizeof compat);
307
308 if (strcmp(compat, "snapper") != 0)
309 return 0;
310
311 return 1;
312 }
313
314 void
315 snapper_attach(struct device *parent, struct device *self, void *aux)
316 {
317 struct snapper_softc *sc;
318 struct confargs *ca;
319 unsigned long v;
320 int cirq, oirq, iirq, cirq_type, oirq_type, iirq_type;
321 int soundbus, intr[6];
322
323 sc = (struct snapper_softc *)self;
324 ca = aux;
325
326 v = (((unsigned long) &sc->dbdma_cmdspace[0]) + 0xf) & ~0xf;
327 sc->sc_odmacmd = (struct dbdma_command *) v;
328 sc->sc_idmacmd = sc->sc_odmacmd + 20;
329
330 #ifdef DIAGNOSTIC
331 if ((vaddr_t)sc->sc_odmacmd & 0x0f) {
332 printf(": bad dbdma alignment\n");
333 return;
334 }
335 #endif
336
337 ca->ca_reg[0] += ca->ca_baseaddr;
338 ca->ca_reg[2] += ca->ca_baseaddr;
339 ca->ca_reg[4] += ca->ca_baseaddr;
340
341 sc->sc_node = ca->ca_node;
342 sc->sc_reg = (void *)ca->ca_reg[0];
343 sc->sc_odma = (void *)ca->ca_reg[2];
344 sc->sc_idma = (void *)ca->ca_reg[4];
345
346 soundbus = OF_child(ca->ca_node);
347 OF_getprop(soundbus, "interrupts", intr, sizeof intr);
348 cirq = intr[0];
349 oirq = intr[2];
350 iirq = intr[4];
351 cirq_type = intr[1] ? IST_LEVEL : IST_EDGE;
352 oirq_type = intr[3] ? IST_LEVEL : IST_EDGE;
353 iirq_type = intr[5] ? IST_LEVEL : IST_EDGE;
354
355 /* intr_establish(cirq, cirq_type, IPL_AUDIO, snapper_intr, sc); */
356 intr_establish(oirq, oirq_type, IPL_AUDIO, snapper_intr, sc);
357 /* intr_establish(iirq, iirq_type, IPL_AUDIO, snapper_intr, sc); */
358
359 printf(": irq %d,%d,%d\n", cirq, oirq, iirq);
360
361 config_interrupts(self, snapper_defer);
362 }
363
364 void
365 snapper_defer(struct device *dev)
366 {
367 struct snapper_softc *sc;
368 struct device *dv;
369
370 sc = (struct snapper_softc *)dev;
371 for (dv = alldevs.tqh_first; dv; dv=dv->dv_list.tqe_next)
372 if (strncmp(dv->dv_xname, "ki2c", 4) == 0 &&
373 strncmp(dv->dv_parent->dv_xname, "obio", 4) == 0)
374 sc->sc_i2c = dv;
375 if (sc->sc_i2c == NULL) {
376 printf("%s: unable to find i2c\n", sc->sc_dev.dv_xname);
377 return;
378 }
379
380 /* XXX If i2c was failed to attach, what should we do? */
381
382 audio_attach_mi(&snapper_hw_if, sc, &sc->sc_dev);
383
384 /* ki2c_setmode(sc->sc_i2c, I2C_STDSUBMODE); */
385 snapper_init(sc, sc->sc_node);
386 }
387
388 int
389 snapper_intr(void *v)
390 {
391 struct snapper_softc *sc;
392 struct dbdma_command *cmd;
393 int count;
394 int status;
395
396 sc = v;
397 cmd = sc->sc_odmacmd;
398 count = sc->sc_opages;
399 /* Fill used buffer(s). */
400 while (count-- > 0) {
401 if ((dbdma_ld16(&cmd->d_command) & 0x30) == 0x30) {
402 status = dbdma_ld16(&cmd->d_status);
403 cmd->d_status = 0;
404 if (status) /* status == 0x8400 */
405 if (sc->sc_ointr)
406 (*sc->sc_ointr)(sc->sc_oarg);
407 }
408 cmd++;
409 }
410
411 return 1;
412 }
413
414 /*
415 * Close function is called at splaudio().
416 */
417 void
418 snapper_close(void *h)
419 {
420 struct snapper_softc *sc;
421
422 sc = h;
423 snapper_halt_output(sc);
424 snapper_halt_input(sc);
425
426 sc->sc_ointr = 0;
427 sc->sc_iintr = 0;
428 }
429
430 int
431 snapper_query_encoding(void *h, struct audio_encoding *ae)
432 {
433
434 ae->flags = AUDIO_ENCODINGFLAG_EMULATED;
435 switch (ae->index) {
436 case 0:
437 strcpy(ae->name, AudioEslinear);
438 ae->encoding = AUDIO_ENCODING_SLINEAR;
439 ae->precision = 16;
440 ae->flags = 0;
441 return 0;
442 case 1:
443 strcpy(ae->name, AudioEslinear_be);
444 ae->encoding = AUDIO_ENCODING_SLINEAR_BE;
445 ae->precision = 16;
446 ae->flags = 0;
447 return 0;
448 case 2:
449 strcpy(ae->name, AudioEslinear_le);
450 ae->encoding = AUDIO_ENCODING_SLINEAR_LE;
451 ae->precision = 16;
452 return 0;
453 case 3:
454 strcpy(ae->name, AudioEulinear_be);
455 ae->encoding = AUDIO_ENCODING_ULINEAR_BE;
456 ae->precision = 16;
457 return 0;
458 case 4:
459 strcpy(ae->name, AudioEulinear_le);
460 ae->encoding = AUDIO_ENCODING_ULINEAR_LE;
461 ae->precision = 16;
462 return 0;
463 case 5:
464 strcpy(ae->name, AudioEmulaw);
465 ae->encoding = AUDIO_ENCODING_ULAW;
466 ae->precision = 8;
467 return 0;
468 case 6:
469 strcpy(ae->name, AudioEalaw);
470 ae->encoding = AUDIO_ENCODING_ALAW;
471 ae->precision = 8;
472 return 0;
473 default:
474 return EINVAL;
475 }
476 }
477
478 int
479 snapper_set_params(void *h, int setmode, int usemode,
480 audio_params_t *play, audio_params_t *rec,
481 stream_filter_list_t *pfil, stream_filter_list_t *rfil)
482 {
483 struct snapper_softc *sc;
484 audio_params_t *p;
485 stream_filter_list_t *fil;
486 int mode;
487
488 sc = h;
489 p = NULL;
490
491 /*
492 * This device only has one clock, so make the sample rates match.
493 */
494 if (play->sample_rate != rec->sample_rate &&
495 usemode == (AUMODE_PLAY | AUMODE_RECORD)) {
496 if (setmode == AUMODE_PLAY) {
497 rec->sample_rate = play->sample_rate;
498 setmode |= AUMODE_RECORD;
499 } else if (setmode == AUMODE_RECORD) {
500 play->sample_rate = rec->sample_rate;
501 setmode |= AUMODE_PLAY;
502 } else
503 return EINVAL;
504 }
505
506 for (mode = AUMODE_RECORD; mode != -1;
507 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
508 if ((setmode & mode) == 0)
509 continue;
510
511 p = mode == AUMODE_PLAY ? play : rec;
512 if (p->sample_rate < 4000 || p->sample_rate > 50000)
513 return EINVAL;
514
515 fil = mode == AUMODE_PLAY ? pfil : rfil;
516 if (auconv_set_converter(snapper_formats, SNAPPER_NFORMATS,
517 mode, p, TRUE, fil) < 0)
518 return EINVAL;
519 if (fil->req_size > 0)
520 p = &fil->filters[0].param;
521 }
522
523 /* Set the speed. p points HW encoding. */
524 if (snapper_set_rate(sc, p->sample_rate))
525 return EINVAL;
526
527 return 0;
528 }
529
530 int
531 snapper_round_blocksize(void *h, int size, int mode,
532 const audio_params_t *param)
533 {
534
535 if (size < NBPG)
536 size = NBPG;
537 return size & ~PGOFSET;
538 }
539
540 int
541 snapper_halt_output(void *h)
542 {
543 struct snapper_softc *sc;
544
545 sc = h;
546 dbdma_stop(sc->sc_odma);
547 dbdma_reset(sc->sc_odma);
548 return 0;
549 }
550
551 int
552 snapper_halt_input(void *h)
553 {
554 struct snapper_softc *sc;
555
556 sc = h;
557 dbdma_stop(sc->sc_idma);
558 dbdma_reset(sc->sc_idma);
559 return 0;
560 }
561
562 int
563 snapper_getdev(void *h, struct audio_device *retp)
564 {
565
566 *retp = snapper_device;
567 return 0;
568 }
569
570 enum {
571 SNAPPER_MONITOR_CLASS,
572 SNAPPER_OUTPUT_CLASS,
573 SNAPPER_RECORD_CLASS,
574 SNAPPER_OUTPUT_SELECT,
575 SNAPPER_VOL_OUTPUT,
576 SNAPPER_INPUT_SELECT,
577 SNAPPER_VOL_INPUT,
578 SNAPPER_ENUM_LAST
579 };
580
581 int
582 snapper_set_port(void *h, mixer_ctrl_t *mc)
583 {
584 struct snapper_softc *sc;
585 int l, r;
586
587 DPRINTF("snapper_set_port dev = %d, type = %d\n", mc->dev, mc->type);
588 sc = h;
589 l = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
590 r = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
591
592 switch (mc->dev) {
593 case SNAPPER_OUTPUT_SELECT:
594 /* No change necessary? */
595 if (mc->un.mask == sc->sc_output_mask)
596 return 0;
597
598 snapper_mute_speaker(sc, 1);
599 snapper_mute_headphone(sc, 1);
600 if (mc->un.mask & 1 << 0)
601 snapper_mute_speaker(sc, 0);
602 if (mc->un.mask & 1 << 1)
603 snapper_mute_headphone(sc, 0);
604
605 sc->sc_output_mask = mc->un.mask;
606 return 0;
607
608 case SNAPPER_VOL_OUTPUT:
609 snapper_set_volume(sc, l, r);
610 return 0;
611
612 case SNAPPER_INPUT_SELECT:
613 /* no change necessary? */
614 if (mc->un.mask == sc->sc_record_source)
615 return 0;
616 switch (mc->un.mask) {
617 case 1 << 0: /* CD */
618 case 1 << 1: /* microphone */
619 case 1 << 2: /* line in */
620 /* XXX TO BE DONE */
621 break;
622 default: /* invalid argument */
623 return EINVAL;
624 }
625 sc->sc_record_source = mc->un.mask;
626 return 0;
627
628 case SNAPPER_VOL_INPUT:
629 /* XXX TO BE DONE */
630 return 0;
631 }
632
633 return ENXIO;
634 }
635
636 int
637 snapper_get_port(void *h, mixer_ctrl_t *mc)
638 {
639 struct snapper_softc *sc;
640
641 DPRINTF("snapper_get_port dev = %d, type = %d\n", mc->dev, mc->type);
642 sc = h;
643 switch (mc->dev) {
644 case SNAPPER_OUTPUT_SELECT:
645 mc->un.mask = sc->sc_output_mask;
646 return 0;
647
648 case SNAPPER_VOL_OUTPUT:
649 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = sc->sc_vol_l;
650 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = sc->sc_vol_r;
651 return 0;
652
653 case SNAPPER_INPUT_SELECT:
654 mc->un.mask = sc->sc_record_source;
655 return 0;
656
657 case SNAPPER_VOL_INPUT:
658 /* XXX TO BE DONE */
659 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 0;
660 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 0;
661 return 0;
662
663 default:
664 return ENXIO;
665 }
666
667 return 0;
668 }
669
670 int
671 snapper_query_devinfo(void *h, mixer_devinfo_t *dip)
672 {
673 switch (dip->index) {
674
675 case SNAPPER_OUTPUT_SELECT:
676 dip->mixer_class = SNAPPER_MONITOR_CLASS;
677 strcpy(dip->label.name, AudioNoutput);
678 dip->type = AUDIO_MIXER_SET;
679 dip->prev = dip->next = AUDIO_MIXER_LAST;
680 dip->un.s.num_mem = 2;
681 strcpy(dip->un.s.member[0].label.name, AudioNspeaker);
682 dip->un.s.member[0].mask = 1 << 0;
683 strcpy(dip->un.s.member[1].label.name, AudioNheadphone);
684 dip->un.s.member[1].mask = 1 << 1;
685 return 0;
686
687 case SNAPPER_VOL_OUTPUT:
688 dip->mixer_class = SNAPPER_MONITOR_CLASS;
689 strcpy(dip->label.name, AudioNmaster);
690 dip->type = AUDIO_MIXER_VALUE;
691 dip->prev = dip->next = AUDIO_MIXER_LAST;
692 dip->un.v.num_channels = 2;
693 strcpy(dip->un.v.units.name, AudioNvolume);
694 return 0;
695
696 case SNAPPER_INPUT_SELECT:
697 dip->mixer_class = SNAPPER_RECORD_CLASS;
698 strcpy(dip->label.name, AudioNsource);
699 dip->type = AUDIO_MIXER_SET;
700 dip->prev = dip->next = AUDIO_MIXER_LAST;
701 dip->un.s.num_mem = 3;
702 strcpy(dip->un.s.member[0].label.name, AudioNcd);
703 dip->un.s.member[0].mask = 1 << 0;
704 strcpy(dip->un.s.member[1].label.name, AudioNmicrophone);
705 dip->un.s.member[1].mask = 1 << 1;
706 strcpy(dip->un.s.member[2].label.name, AudioNline);
707 dip->un.s.member[2].mask = 1 << 2;
708 return 0;
709
710 case SNAPPER_VOL_INPUT:
711 dip->mixer_class = SNAPPER_RECORD_CLASS;
712 strcpy(dip->label.name, AudioNrecord);
713 dip->type = AUDIO_MIXER_VALUE;
714 dip->prev = dip->next = AUDIO_MIXER_LAST;
715 dip->un.v.num_channels = 2;
716 strcpy(dip->un.v.units.name, AudioNvolume);
717 return 0;
718
719 case SNAPPER_MONITOR_CLASS:
720 dip->mixer_class = SNAPPER_MONITOR_CLASS;
721 strcpy(dip->label.name, AudioCmonitor);
722 dip->type = AUDIO_MIXER_CLASS;
723 dip->next = dip->prev = AUDIO_MIXER_LAST;
724 return 0;
725
726 case SNAPPER_OUTPUT_CLASS:
727 dip->mixer_class = SNAPPER_OUTPUT_CLASS;
728 strcpy(dip->label.name, AudioCoutputs);
729 dip->type = AUDIO_MIXER_CLASS;
730 dip->next = dip->prev = AUDIO_MIXER_LAST;
731 return 0;
732
733 case SNAPPER_RECORD_CLASS:
734 dip->mixer_class = SNAPPER_RECORD_CLASS;
735 strcpy(dip->label.name, AudioCrecord);
736 dip->type = AUDIO_MIXER_CLASS;
737 dip->next = dip->prev = AUDIO_MIXER_LAST;
738 return 0;
739 }
740
741 return ENXIO;
742 }
743
744 size_t
745 snapper_round_buffersize(void *h, int dir, size_t size)
746 {
747
748 if (size > 65536)
749 size = 65536;
750 return size;
751 }
752
753 paddr_t
754 snapper_mappage(void *h, void *mem, off_t off, int prot)
755 {
756
757 if (off < 0)
758 return -1;
759 return -1; /* XXX */
760 }
761
762 int
763 snapper_get_props(void *h)
764 {
765 return AUDIO_PROP_FULLDUPLEX /* | AUDIO_PROP_MMAP */;
766 }
767
768 int
769 snapper_trigger_output(void *h, void *start, void *end, int bsize,
770 void (*intr)(void *), void *arg,
771 const audio_params_t *param)
772 {
773 struct snapper_softc *sc;
774 struct dbdma_command *cmd;
775 vaddr_t va;
776 int i, len, intmode;
777
778 DPRINTF("trigger_output %p %p 0x%x\n", start, end, bsize);
779 sc = h;
780 cmd = sc->sc_odmacmd;
781 sc->sc_ointr = intr;
782 sc->sc_oarg = arg;
783 sc->sc_opages = ((char *)end - (char *)start) / NBPG;
784
785 #ifdef DIAGNOSTIC
786 if (sc->sc_opages > 16)
787 panic("snapper_trigger_output");
788 #endif
789
790 va = (vaddr_t)start;
791 len = 0;
792 for (i = sc->sc_opages; i > 0; i--) {
793 len += NBPG;
794 if (len < bsize)
795 intmode = 0;
796 else {
797 len = 0;
798 intmode = DBDMA_INT_ALWAYS;
799 }
800
801 DBDMA_BUILD(cmd, DBDMA_CMD_OUT_MORE, 0, NBPG, vtophys(va),
802 intmode, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
803 cmd++;
804 va += NBPG;
805 }
806
807 DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0,
808 0/*vtophys((vaddr_t)sc->sc_odmacmd)*/, 0, DBDMA_WAIT_NEVER,
809 DBDMA_BRANCH_ALWAYS);
810
811 dbdma_st32(&cmd->d_cmddep, vtophys((vaddr_t)sc->sc_odmacmd));
812
813 dbdma_start(sc->sc_odma, sc->sc_odmacmd);
814
815 return 0;
816 }
817
818 int
819 snapper_trigger_input(void *h, void *start, void *end, int bsize,
820 void (*intr)(void *), void *arg,
821 const audio_params_t *param)
822 {
823
824 printf("snapper_trigger_input called\n");
825 return 1;
826 }
827
828 void
829 snapper_set_volume(struct snapper_softc *sc, int left, int right)
830 {
831 u_char vol[6];
832
833 sc->sc_vol_l = left;
834 sc->sc_vol_r = right;
835
836 left <<= 8; /* XXX for now */
837 right <<= 8;
838
839 vol[0] = left >> 16;
840 vol[1] = left >> 8;
841 vol[2] = left;
842 vol[3] = right >> 16;
843 vol[4] = right >> 8;
844 vol[5] = right;
845
846 tas3004_write(sc, DEQ_VOLUME, vol);
847 }
848
849 #define CLKSRC_49MHz 0x80000000 /* Use 49152000Hz Osc. */
850 #define CLKSRC_45MHz 0x40000000 /* Use 45158400Hz Osc. */
851 #define CLKSRC_18MHz 0x00000000 /* Use 18432000Hz Osc. */
852 #define MCLK_DIV 0x1f000000 /* MCLK = SRC / DIV */
853 #define MCLK_DIV1 0x14000000 /* MCLK = SRC */
854 #define MCLK_DIV3 0x13000000 /* MCLK = SRC / 3 */
855 #define MCLK_DIV5 0x12000000 /* MCLK = SRC / 5 */
856 #define SCLK_DIV 0x00f00000 /* SCLK = MCLK / DIV */
857 #define SCLK_DIV1 0x00800000
858 #define SCLK_DIV3 0x00900000
859 #define SCLK_MASTER 0x00080000 /* Master mode */
860 #define SCLK_SLAVE 0x00000000 /* Slave mode */
861 #define SERIAL_FORMAT 0x00070000
862 #define SERIAL_SONY 0x00000000
863 #define SERIAL_64x 0x00010000
864 #define SERIAL_32x 0x00020000
865 #define SERIAL_DAV 0x00040000
866 #define SERIAL_SILICON 0x00050000
867
868 // rate = fs = LRCLK
869 // SCLK = 64*LRCLK (I2S)
870 // MCLK = 256fs (typ. -- changeable)
871
872 // MCLK = clksrc / mdiv
873 // SCLK = MCLK / sdiv
874 // rate = SCLK / 64 ( = LRCLK = fs)
875
876 int
877 snapper_set_rate(struct snapper_softc *sc, u_int rate)
878 {
879 u_int reg;
880 int MCLK;
881 int clksrc, mdiv, sdiv;
882 int mclk_fs;
883
884 reg = 0;
885 switch (rate) {
886 case 8000:
887 clksrc = 18432000; /* 18MHz */
888 reg = CLKSRC_18MHz;
889 mclk_fs = 256;
890 break;
891
892 case 44100:
893 clksrc = 45158400; /* 45MHz */
894 reg = CLKSRC_45MHz;
895 mclk_fs = 256;
896 break;
897
898 case 48000:
899 clksrc = 49152000; /* 49MHz */
900 reg = CLKSRC_49MHz;
901 mclk_fs = 256;
902 break;
903
904 default:
905 return EINVAL;
906 }
907
908 MCLK = rate * mclk_fs;
909 mdiv = clksrc / MCLK; // 4
910 sdiv = mclk_fs / 64; // 4
911
912 switch (mdiv) {
913 case 1:
914 reg |= MCLK_DIV1;
915 break;
916 case 3:
917 reg |= MCLK_DIV3;
918 break;
919 case 5:
920 reg |= MCLK_DIV5;
921 break;
922 default:
923 reg |= ((mdiv / 2 - 1) << 24) & 0x1f000000;
924 break;
925 }
926
927 switch (sdiv) {
928 case 1:
929 reg |= SCLK_DIV1;
930 break;
931 case 3:
932 reg |= SCLK_DIV3;
933 break;
934 default:
935 reg |= ((sdiv / 2 - 1) << 20) & 0x00f00000;
936 break;
937 }
938
939 reg |= SCLK_MASTER; /* XXX master mode */
940
941 reg |= SERIAL_64x;
942
943 /* stereo input and output */
944 DPRINTF("I2SSetDataWordSizeReg 0x%08x -> 0x%08x\n",
945 in32rb(sc->sc_reg + I2S_WORDSIZE), 0x02000200);
946 out32rb(sc->sc_reg + I2S_WORDSIZE, 0x02000200);
947
948 DPRINTF("I2SSetSerialFormatReg 0x%x -> 0x%x\n",
949 in32rb(sc->sc_reg + I2S_FORMAT), reg);
950 out32rb(sc->sc_reg + I2S_FORMAT, reg);
951
952 return 0;
953 }
954
955 #define DEQaddr 0x6a
956
957 const struct tas3004_reg tas3004_initdata = {
958 { DEQ_MCR1_SC_64 | DEQ_MCR1_SM_I2S | DEQ_MCR1_W_20 }, /* MCR1 */
959 { 1, 0, 0, 0, 0, 0 }, /* DRC */
960 { 0, 0, 0, 0, 0, 0 }, /* VOLUME */
961 { 0x72 }, /* TREBLE */
962 { 0x72 }, /* BASS */
963 { 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 }, /* MIXER_L */
964 { 0x10, 0x00, 0x00, 0, 0, 0, 0, 0, 0 }, /* MIXER_R */
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 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
975 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
976 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
977 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
978 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
979 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
980 { 0x10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* BIQUAD */
981 { 0, 0, 0 }, /* LLB_GAIN */
982 { 0, 0, 0 }, /* RLB_GAIN */
983 { 0 }, /* ACR */
984 { 0 } /* MCR2 */
985 };
986
987 const char tas3004_regsize[] = {
988 0, /* 0x00 */
989 sizeof tas3004_initdata.MCR1, /* 0x01 */
990 sizeof tas3004_initdata.DRC, /* 0x02 */
991 0, /* 0x03 */
992 sizeof tas3004_initdata.VOLUME, /* 0x04 */
993 sizeof tas3004_initdata.TREBLE, /* 0x05 */
994 sizeof tas3004_initdata.BASS, /* 0x06 */
995 sizeof tas3004_initdata.MIXER_L, /* 0x07 */
996 sizeof tas3004_initdata.MIXER_R, /* 0x08 */
997 0, /* 0x09 */
998 sizeof tas3004_initdata.LB0, /* 0x0a */
999 sizeof tas3004_initdata.LB1, /* 0x0b */
1000 sizeof tas3004_initdata.LB2, /* 0x0c */
1001 sizeof tas3004_initdata.LB3, /* 0x0d */
1002 sizeof tas3004_initdata.LB4, /* 0x0e */
1003 sizeof tas3004_initdata.LB5, /* 0x0f */
1004 sizeof tas3004_initdata.LB6, /* 0x10 */
1005 0, /* 0x11 */
1006 0, /* 0x12 */
1007 sizeof tas3004_initdata.RB0, /* 0x13 */
1008 sizeof tas3004_initdata.RB1, /* 0x14 */
1009 sizeof tas3004_initdata.RB2, /* 0x15 */
1010 sizeof tas3004_initdata.RB3, /* 0x16 */
1011 sizeof tas3004_initdata.RB4, /* 0x17 */
1012 sizeof tas3004_initdata.RB5, /* 0x18 */
1013 sizeof tas3004_initdata.RB6, /* 0x19 */
1014 0,0,0,0, 0,0,
1015 0, /* 0x20 */
1016 sizeof tas3004_initdata.LLB, /* 0x21 */
1017 sizeof tas3004_initdata.RLB, /* 0x22 */
1018 sizeof tas3004_initdata.LLB_GAIN, /* 0x23 */
1019 sizeof tas3004_initdata.RLB_GAIN, /* 0x24 */
1020 0,0,0,0, 0,0,0,0, 0,0,0,
1021 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0,
1022 sizeof tas3004_initdata.ACR, /* 0x40 */
1023 0, /* 0x41 */
1024 0, /* 0x42 */
1025 sizeof tas3004_initdata.MCR2 /* 0x43 */
1026 };
1027
1028 int
1029 tas3004_write(struct snapper_softc *sc, u_int reg, const void *data)
1030 {
1031 int size;
1032
1033 KASSERT(reg < sizeof tas3004_regsize);
1034 size = tas3004_regsize[reg];
1035 KASSERT(size > 0);
1036
1037 if (ki2c_write(sc->sc_i2c, DEQaddr, reg, data, size))
1038 return -1;
1039
1040 return 0;
1041 }
1042
1043 int
1044 gpio_read(char *addr)
1045 {
1046
1047 if (*addr & GPIO_DATA)
1048 return 1;
1049 return 0;
1050 }
1051
1052 void
1053 gpio_write(char *addr, int val)
1054 {
1055 u_int data;
1056
1057 data = GPIO_DDR_OUTPUT;
1058 if (val)
1059 data |= GPIO_DATA;
1060 *addr = data;
1061 asm volatile ("eieio");
1062 }
1063
1064 #define headphone_active 0 /* XXX OF */
1065 #define amp_active 0 /* XXX OF */
1066
1067 void
1068 snapper_mute_speaker(struct snapper_softc *sc, int mute)
1069 {
1070 u_int x;
1071
1072 DPRINTF("ampmute %d --> ", gpio_read(amp_mute));
1073
1074 if (mute)
1075 x = amp_active; /* mute */
1076 else
1077 x = !amp_active; /* unmute */
1078 if (x != gpio_read(amp_mute))
1079 gpio_write(amp_mute, x);
1080
1081 DPRINTF("%d\n", gpio_read(amp_mute));
1082 }
1083
1084 void
1085 snapper_mute_headphone(struct snapper_softc *sc, int mute)
1086 {
1087 u_int x;
1088
1089 DPRINTF("headphonemute %d --> ", gpio_read(headphone_mute));
1090
1091 if (mute)
1092 x = headphone_active; /* mute */
1093 else
1094 x = !headphone_active; /* unmute */
1095 if (x != gpio_read(headphone_mute))
1096 gpio_write(headphone_mute, x);
1097
1098 DPRINTF("%d\n", gpio_read(headphone_mute));
1099 }
1100
1101 int
1102 snapper_cint(void *v)
1103 {
1104 struct snapper_softc *sc;
1105 u_int sense;
1106
1107 sc = v;
1108 sense = *headphone_detect;
1109 DPRINTF("headphone detect = 0x%x\n", sense);
1110
1111 if (((sense & 0x02) >> 1) == headphone_detect_active) {
1112 DPRINTF("headphone is inserted\n");
1113 snapper_mute_speaker(sc, 1);
1114 snapper_mute_headphone(sc, 0);
1115 sc->sc_output_mask = 1 << 1;
1116 } else {
1117 DPRINTF("headphone is NOT inserted\n");
1118 snapper_mute_speaker(sc, 0);
1119 snapper_mute_headphone(sc, 1);
1120 sc->sc_output_mask = 1 << 0;
1121 }
1122
1123 return 1;
1124 }
1125
1126 #define reset_active 0 /* XXX OF */
1127
1128 #define DEQ_WRITE(sc, reg, addr) \
1129 if (tas3004_write(sc, reg, addr)) goto err
1130
1131 int
1132 tas3004_init(struct snapper_softc *sc)
1133 {
1134
1135 /* No reset port. Nothing to do. */
1136 if (audio_hw_reset == NULL)
1137 goto noreset;
1138
1139 /* Reset TAS3004. */
1140 gpio_write(audio_hw_reset, !reset_active); /* Negate RESET */
1141 delay(100000); /* XXX Really needed? */
1142
1143 gpio_write(audio_hw_reset, reset_active); /* Assert RESET */
1144 delay(1);
1145
1146 gpio_write(audio_hw_reset, !reset_active); /* Negate RESET */
1147 delay(10000);
1148
1149 noreset:
1150 DEQ_WRITE(sc, DEQ_LB0, tas3004_initdata.LB0);
1151 DEQ_WRITE(sc, DEQ_LB1, tas3004_initdata.LB1);
1152 DEQ_WRITE(sc, DEQ_LB2, tas3004_initdata.LB2);
1153 DEQ_WRITE(sc, DEQ_LB3, tas3004_initdata.LB3);
1154 DEQ_WRITE(sc, DEQ_LB4, tas3004_initdata.LB4);
1155 DEQ_WRITE(sc, DEQ_LB5, tas3004_initdata.LB5);
1156 DEQ_WRITE(sc, DEQ_LB6, tas3004_initdata.LB6);
1157 DEQ_WRITE(sc, DEQ_RB0, tas3004_initdata.RB0);
1158 DEQ_WRITE(sc, DEQ_RB1, tas3004_initdata.RB1);
1159 DEQ_WRITE(sc, DEQ_RB1, tas3004_initdata.RB1);
1160 DEQ_WRITE(sc, DEQ_RB2, tas3004_initdata.RB2);
1161 DEQ_WRITE(sc, DEQ_RB3, tas3004_initdata.RB3);
1162 DEQ_WRITE(sc, DEQ_RB4, tas3004_initdata.RB4);
1163 DEQ_WRITE(sc, DEQ_RB5, tas3004_initdata.RB5);
1164 DEQ_WRITE(sc, DEQ_MCR1, tas3004_initdata.MCR1);
1165 DEQ_WRITE(sc, DEQ_MCR2, tas3004_initdata.MCR2);
1166 DEQ_WRITE(sc, DEQ_DRC, tas3004_initdata.DRC);
1167 DEQ_WRITE(sc, DEQ_VOLUME, tas3004_initdata.VOLUME);
1168 DEQ_WRITE(sc, DEQ_TREBLE, tas3004_initdata.TREBLE);
1169 DEQ_WRITE(sc, DEQ_BASS, tas3004_initdata.BASS);
1170 DEQ_WRITE(sc, DEQ_MIXER_L, tas3004_initdata.MIXER_L);
1171 DEQ_WRITE(sc, DEQ_MIXER_R, tas3004_initdata.MIXER_R);
1172 DEQ_WRITE(sc, DEQ_LLB, tas3004_initdata.LLB);
1173 DEQ_WRITE(sc, DEQ_RLB, tas3004_initdata.RLB);
1174 DEQ_WRITE(sc, DEQ_LLB_GAIN, tas3004_initdata.LLB_GAIN);
1175 DEQ_WRITE(sc, DEQ_RLB_GAIN, tas3004_initdata.RLB_GAIN);
1176 DEQ_WRITE(sc, DEQ_ACR, tas3004_initdata.ACR);
1177
1178 return 0;
1179 err:
1180 printf("tas3004_init: error\n");
1181 return -1;
1182 }
1183
1184 /* FCR(0x3c) bits */
1185 #define I2S0CLKEN 0x1000
1186 #define I2S0EN 0x2000
1187 #define I2S1CLKEN 0x080000
1188 #define I2S1EN 0x100000
1189
1190 #define FCR3C_BITMASK "\020\25I2S1EN\24I2S1CLKEN\16I2S0EN\15I2S0CLKEN"
1191
1192 void
1193 snapper_init(struct snapper_softc *sc, int node)
1194 {
1195 int gpio;
1196 int headphone_detect_intr, headphone_detect_intrtype;
1197 #ifdef SNAPPER_DEBUG
1198 char fcr[32];
1199
1200 bitmask_snprintf(in32rb(0x8000003c), FCR3C_BITMASK, fcr, sizeof fcr);
1201 printf("FCR(0x3c) 0x%s\n", fcr);
1202 #endif
1203 headphone_detect_intr = -1;
1204
1205 gpio = getnodebyname(OF_parent(node), "gpio");
1206 DPRINTF(" /gpio 0x%x\n", gpio);
1207 gpio = OF_child(gpio);
1208 while (gpio) {
1209 char name[64], audio_gpio[64];
1210 int intr[2];
1211 char *addr;
1212
1213 bzero(name, sizeof name);
1214 bzero(audio_gpio, sizeof audio_gpio);
1215 addr = 0;
1216 OF_getprop(gpio, "name", name, sizeof name);
1217 OF_getprop(gpio, "audio-gpio", audio_gpio, sizeof audio_gpio);
1218 OF_getprop(gpio, "AAPL,address", &addr, sizeof addr);
1219 /* printf("0x%x %s %s\n", gpio, name, audio_gpio); */
1220
1221 /* gpio5 */
1222 if (strcmp(audio_gpio, "headphone-mute") == 0)
1223 headphone_mute = addr;
1224 /* gpio6 */
1225 if (strcmp(audio_gpio, "amp-mute") == 0)
1226 amp_mute = addr;
1227 /* extint-gpio15 */
1228 if (strcmp(audio_gpio, "headphone-detect") == 0) {
1229 headphone_detect = addr;
1230 OF_getprop(gpio, "audio-gpio-active-state",
1231 &headphone_detect_active, 4);
1232 OF_getprop(gpio, "interrupts", intr, 8);
1233 headphone_detect_intr = intr[0];
1234 headphone_detect_intrtype = intr[1];
1235 }
1236 /* gpio11 (keywest-11) */
1237 if (strcmp(audio_gpio, "audio-hw-reset") == 0)
1238 audio_hw_reset = addr;
1239 gpio = OF_peer(gpio);
1240 }
1241 DPRINTF(" headphone-mute %p\n", headphone_mute);
1242 DPRINTF(" amp-mute %p\n", amp_mute);
1243 DPRINTF(" headphone-detect %p\n", headphone_detect);
1244 DPRINTF(" headphone-detect active %x\n", headphone_detect_active);
1245 DPRINTF(" headphone-detect intr %x\n", headphone_detect_intr);
1246 DPRINTF(" audio-hw-reset %p\n", audio_hw_reset);
1247
1248 if (headphone_detect_intr != -1)
1249 intr_establish(headphone_detect_intr, IST_EDGE, IPL_AUDIO,
1250 snapper_cint, sc);
1251
1252 /* "sample-rates" (44100, 48000) */
1253 snapper_set_rate(sc, 44100);
1254
1255 /* Enable headphone interrupt? */
1256 *headphone_detect |= 0x80;
1257 asm volatile ("eieio");
1258
1259 /* i2c_set_port(port); */
1260
1261 #if 1
1262 /* Enable I2C interrupts. */
1263 #define IER 4
1264 #define I2C_INT_DATA 0x01
1265 #define I2C_INT_ADDR 0x02
1266 #define I2C_INT_STOP 0x04
1267 ki2c_writereg(sc->sc_i2c, IER,I2C_INT_DATA|I2C_INT_ADDR|I2C_INT_STOP);
1268 #endif
1269
1270 if (tas3004_init(sc))
1271 return;
1272
1273 /* Update headphone status. */
1274 snapper_cint(sc);
1275
1276 snapper_set_volume(sc, 80, 80);
1277 }
1278