aboutsummaryrefslogtreecommitdiffstats
path: root/sound/soc/codecs/wm9712.c
blob: bf5d4ef1a2a6e54a4723238f8984e38fb71656c4 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
/*
 * wm9712.c  --  ALSA Soc WM9712 codec support
 *
 * Copyright 2006 Wolfson Microelectronics PLC.
 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 */

#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
#include <sound/initval.h>
#include <sound/soc.h>
#include "wm9712.h"

#define WM9712_VERSION "0.4"

static unsigned int ac97_read(struct snd_soc_codec *codec,
	unsigned int reg);
static int ac97_write(struct snd_soc_codec *codec,
	unsigned int reg, unsigned int val);

/*
 * WM9712 register cache
 */
static const u16 wm9712_reg[] = {
	0x6174, 0x8000, 0x8000, 0x8000, /*  6 */
	0x0f0f, 0xaaa0, 0xc008, 0x6808, /*  e */
	0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */
	0xe808, 0x3000, 0x8000, 0x0000, /* 1e */
	0x0000, 0x0000, 0x0000, 0x000f, /* 26 */
	0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */
	0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */
	0x0000, 0x2000, 0x0000, 0x0000, /* 3e */
	0x0000, 0x0000, 0x0000, 0x0000, /* 46 */
	0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */
	0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */
	0x0008, 0x0000, 0x0000, 0x0000, /* 5e */
	0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */
	0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
	0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
	0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
	0x0000, 0x0000 /* virtual hp mixers */
};

/* virtual HP mixers regs */
#define HPL_MIXER	0x80
#define HPR_MIXER	0x82

static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
	"Mono"};
static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
	"Stereo"};
static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
	"Line", "Headphone Mixer", "Phone Mixer", "Phone"};
static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
static const char *wm9712_diff_sel[] = {"Mic", "Line"};

static const struct soc_enum wm9712_enum[] = {
SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
};

static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),

SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),

SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
SOC_ENUM("ALC Function", wm9712_enum[0]),
SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
SOC_ENUM("ALC NG Type", wm9712_enum[10]),
SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),

SOC_SINGLE("Mic Headphone  Volume", AC97_VIDEO, 12, 7, 1),
SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),

SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),

SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),

SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),

SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),

SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),

SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),

SOC_ENUM("Bass Control", wm9712_enum[5]),
SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),

SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),

SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),
};

/* We have to create a fake left and right HP mixers because
 * the codec only has a single control that is shared by both channels.
 * This makes it impossible to determine the audio path.
 */
static int mixer_event(struct snd_soc_dapm_widget *w,
	struct snd_kcontrol *k, int event)
{
	u16 l, r, beep, line, phone, mic, pcm, aux;

	l = ac97_read(w->codec, HPL_MIXER);
	r = ac97_read(w->codec, HPR_MIXER);
	beep = ac97_read(w->codec, AC97_PC_BEEP);
	mic = ac97_read(w->codec, AC97_VIDEO);
	phone = ac97_read(w->codec, AC97_PHONE);
	line = ac97_read(w->codec, AC97_LINE);
	pcm = ac97_read(w->codec, AC97_PCM);
	aux = ac97_read(w->codec, AC97_CD);

	if (l & 0x1 || r & 0x1)
		ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
	else
		ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);

	if (l & 0x2 || r & 0x2)
		ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
	else
		ac97_write(w->codec, AC97_PCM, pcm | 0x8000);

	if (l & 0x4 || r & 0x4)
		ac97_write(w->codec, AC97_LINE, line & 0x7fff);
	else
		ac97_write(w->codec, AC97_LINE, line | 0x8000);

	if (l & 0x8 || r & 0x8)
		ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
	else
		ac97_write(w->codec, AC97_PHONE, phone | 0x8000);

	if (l & 0x10 || r & 0x10)
		ac97_write(w->codec, AC97_CD, aux & 0x7fff);
	else
		ac97_write(w->codec, AC97_CD, aux | 0x8000);

	if (l & 0x20 || r & 0x20)
		ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
	else
		ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);

	return 0;
}

/* Left Headphone Mixers */
static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
	SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
	SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
	SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
	SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
	SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
	SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
};

/* Right Headphone Mixers */
static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
	SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
	SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
	SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
	SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
	SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
	SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
};

/* Speaker Mixer */
static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
	SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
	SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
	SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
	SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
	SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
};

/* Phone Mixer */
static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
	SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
	SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
	SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
	SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
	SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
	SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
};

/* ALC headphone mux */
static const struct snd_kcontrol_new wm9712_alc_mux_controls =
SOC_DAPM_ENUM("Route", wm9712_enum[1]);

/* out 3 mux */
static const struct snd_kcontrol_new wm9712_out3_mux_controls =
SOC_DAPM_ENUM("Route", wm9712_enum[2]);

/* spk mux */
static const struct snd_kcontrol_new wm9712_spk_mux_controls =
SOC_DAPM_ENUM("Route", wm9712_enum[3]);

/* Capture to Phone mux */
static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
SOC_DAPM_ENUM("Route", wm9712_enum[4]);

/* Capture left select */
static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
SOC_DAPM_ENUM("Route", wm9712_enum[8]);

/* Capture right select */
static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
SOC_DAPM_ENUM("Route", wm9712_enum[9]);

/* Mic select */
static const struct snd_kcontrol_new wm9712_mic_src_controls =
SOC_DAPM_ENUM("Route", wm9712_enum[7]);

/* diff select */
static const struct snd_kcontrol_new wm9712_diff_sel_controls =
SOC_DAPM_ENUM("Route", wm9712_enum[11]);

static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
	&wm9712_alc_mux_controls),
SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
	&wm9712_out3_mux_controls),
SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
	&wm9712_spk_mux_controls),
SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
	&wm9712_capture_phone_mux_controls),
SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
	&wm9712_capture_selectl_controls),
SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
	&wm9712_capture_selectr_controls),
SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
	&wm9712_mic_src_controls),
SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
	&wm9712_diff_sel_controls),
SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
	&wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
	mixer_event, SND_SOC_DAPM_POST_REG),
SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
	&wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
	 mixer_event, SND_SOC_DAPM_POST_REG),
SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
	&wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
	&wm9712_speaker_mixer_controls[0],
	ARRAY_SIZE(wm9712_speaker_mixer_controls)),
SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
SND_SOC_DAPM_OUTPUT("MONOOUT"),
SND_SOC_DAPM_OUTPUT("HPOUTL"),
SND_SOC_DAPM_OUTPUT("HPOUTR"),
SND_SOC_DAPM_OUTPUT("LOUT2"),
SND_SOC_DAPM_OUTPUT("ROUT2"),
SND_SOC_DAPM_OUTPUT("OUT3"),
SND_SOC_DAPM_INPUT("LINEINL"),
SND_SOC_DAPM_INPUT("LINEINR"),
SND_SOC_DAPM_INPUT("PHONE"),
SND_SOC_DAPM_INPUT("PCBEEP"),
SND_SOC_DAPM_INPUT("MIC1"),
SND_SOC_DAPM_INPUT("MIC2"),
};

static const struct snd_soc_dapm_route audio_map[] = {
	/* virtual mixer - mixes left & right channels for spk and mono */
	{"AC97 Mixer", NULL, "Left DAC"},
	{"AC97 Mixer", NULL, "Right DAC"},

	/* Left HP mixer */
	{"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
	{"Left HP Mixer", "Aux Playback Switch",  "Aux DAC"},
	{"Left HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
	{"Left HP Mixer", "Line Bypass Switch",   "Line PGA"},
	{"Left HP Mixer", "PCM Playback Switch",  "Left DAC"},
	{"Left HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
	{"Left HP Mixer", NULL,  "ALC Sidetone Mux"},

	/* Right HP mixer */
	{"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
	{"Right HP Mixer", "Aux Playback Switch",  "Aux DAC"},
	{"Right HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
	{"Right HP Mixer", "Line Bypass Switch",   "Line PGA"},
	{"Right HP Mixer", "PCM Playback Switch",  "Right DAC"},
	{"Right HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
	{"Right HP Mixer", NULL,  "ALC Sidetone Mux"},

	/* speaker mixer */
	{"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
	{"Speaker Mixer", "Line Bypass Switch",   "Line PGA"},
	{"Speaker Mixer", "PCM Playback Switch",  "AC97 Mixer"},
	{"Speaker Mixer", "Phone Bypass Switch",  "Phone PGA"},
	{"Speaker Mixer", "Aux Playback Switch",  "Aux DAC"},

	/* Phone mixer */
	{"Phone Mixer", "PCBeep Bypass Switch",  "PCBEEP"},
	{"Phone Mixer", "Line Bypass Switch",    "Line PGA"},
	{"Phone Mixer", "Aux Playback Switch",   "Aux DAC"},
	{"Phone Mixer", "PCM Playback Switch",   "AC97 Mixer"},
	{"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
	{"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},

	/* inputs */
	{"Line PGA", NULL, "LINEINL"},
	{"Line PGA", NULL, "LINEINR"},
	{"Phone PGA", NULL, "PHONE"},
	{"Mic PGA", NULL, "MIC1"},
	{"Mic PGA", NULL, "MIC2"},

	/* left capture selector */
	{"Left Capture Select", "Mic", "MIC1"},
	{"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
	{"Left Capture Select", "Line", "LINEINL"},
	{"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
	{"Left Capture Select", "Phone Mixer", "Phone Mixer"},
	{"Left Capture Select", "Phone", "PHONE"},

	/* right capture selector */
	{"Right Capture Select", "Mic", "MIC2"},
	{"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
	{"Right Capture Select", "Line", "LINEINR"},
	{"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
	{"Right Capture Select", "Phone Mixer", "Phone Mixer"},
	{"Right Capture Select", "Phone", "PHONE"},

	/* ALC Sidetone */
	{"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
	{"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
	{"ALC Sidetone Mux", "Left", "Left Capture Select"},
	{"ALC Sidetone Mux", "Right", "Right Capture Select"},

	/* ADC's */
	{"Left ADC", NULL, "Left Capture Select"},
	{"Right ADC", NULL, "Right Capture Select"},

	/* outputs */
	{"MONOOUT", NULL, "Phone Mixer"},
	{"HPOUTL", NULL, "Headphone PGA"},
	{"Headphone PGA", NULL, "Left HP Mixer"},
	{"HPOUTR", NULL, "Headphone PGA"},
	{"Headphone PGA", NULL, "Right HP Mixer"},

	/* mono mixer */
	{"Mono Mixer", NULL, "Left HP Mixer"},
	{"Mono Mixer", NULL, "Right HP Mixer"},

	/* Out3 Mux */
	{"Out3 Mux", "Left", "Left HP Mixer"},
	{"Out3 Mux", "Mono", "Phone Mixer"},
	{"Out3 Mux", "Left + Right", "Mono Mixer"},
	{"Out 3 PGA", NULL, "Out3 Mux"},
	{"OUT3", NULL, "Out 3 PGA"},

	/* speaker Mux */
	{"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
	{"Speaker Mux", "Headphone Mix", "Mono Mixer"},
	{"Speaker PGA", NULL, "Speaker Mux"},
	{"LOUT2", NULL, "Speaker PGA"},
	{"ROUT2", NULL, "Speaker PGA"},
};

static int wm9712_add_widgets(struct snd_soc_codec *codec)
{
	struct snd_soc_dapm_context *dapm = &codec->dapm;

	snd_soc_dapm_new_controls(dapm, wm9712_dapm_widgets,
				  ARRAY_SIZE(wm9712_dapm_widgets));
	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));

	return 0;
}

static unsigned int ac97_read(struct snd_soc_codec *codec,
	unsigned int reg)
{
	u16 *cache = codec->reg_cache;

	if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
		reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
		reg == AC97_REC_GAIN)
		return soc_ac97_ops.read(codec->ac97, reg);
	else {
		reg = reg >> 1;

		if (reg >= (ARRAY_SIZE(wm9712_reg)))
			return -EIO;

		return cache[reg];
	}
}

static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
	unsigned int val)
{
	u16 *cache = codec->reg_cache;

	if (reg < 0x7c)
		soc_ac97_ops.write(codec->ac97, reg, val);
	reg = reg >> 1;
	if (reg < (ARRAY_SIZE(wm9712_reg)))
		cache[reg] = val;

	return 0;
}

static int ac97_prepare(struct snd_pcm_substream *substream,
			struct snd_soc_dai *dai)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_codec *codec =rtd->codec;
	int reg;
	u16 vra;

	vra = ac97_read(codec, AC97_EXTENDED_STATUS);
	ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		reg = AC97_PCM_FRONT_DAC_RATE;
	else
		reg = AC97_PCM_LR_ADC_RATE;

	return ac97_write(codec, reg, runtime->rate);
}

static int ac97_aux_prepare(struct snd_pcm_substream *substream,
			    struct snd_soc_dai *dai)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_codec *codec = rtd->codec;
	u16 vra, xsle;

	vra = ac97_read(codec, AC97_EXTENDED_STATUS);
	ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
	xsle = ac97_read(codec, AC97_PCI_SID);
	ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);

	if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
		return -ENODEV;

	return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
}

#define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
		SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
		SNDRV_PCM_RATE_48000)

static struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
	.prepare	= ac97_prepare,
};

static struct snd_soc_dai_ops wm9712_dai_ops_aux = {
	.prepare	= ac97_aux_prepare,
};

static struct snd_soc_dai_driver wm9712_dai[] = {
{
	.name = "wm9712-hifi",
	.ac97_control = 1,
	.playback = {
		.stream_name = "HiFi Playback",
		.channels_min = 1,
		.channels_max = 2,
		.rates = WM9712_AC97_RATES,
		.formats = SND_SOC_STD_AC97_FMTS,},
	.capture = {
		.stream_name = "HiFi Capture",
		.channels_min = 1,
		.channels_max = 2,
		.rates = WM9712_AC97_RATES,
		.formats = SND_SOC_STD_AC97_FMTS,},
	.ops = &wm9712_dai_ops_hifi,
},
{
	.name = "wm9712-aux",
	.playback = {
		.stream_name = "Aux Playback",
		.channels_min = 1,
		.channels_max = 1,
		.rates = WM9712_AC97_RATES,
		.formats = SND_SOC_STD_AC97_FMTS,},
	.ops = &wm9712_dai_ops_aux,
}
};

static int wm9712_set_bias_level(struct snd_soc_codec *codec,
				 enum snd_soc_bias_level level)
{
	switch (level) {
	case SND_SOC_BIAS_ON:
	case SND_SOC_BIAS_PREPARE:
		break;
	case SND_SOC_BIAS_STANDBY:
		ac97_write(codec, AC97_POWERDOWN, 0x0000);
		break;
	case SND_SOC_BIAS_OFF:
		/* disable everything including AC link */
		ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
		ac97_write(codec, AC97_POWERDOWN, 0xffff);
		break;
	}
	codec->dapm.bias_level = level;
	return 0;
}

static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
{
	if (try_warm && soc_ac97_ops.warm_reset) {
		soc_ac97_ops.warm_reset(codec->ac97);
		if (ac97_read(codec, 0) == wm9712_reg[0])
			return 1;
	}

	soc_ac97_ops.reset(codec->ac97);
	if (soc_ac97_ops.warm_reset)
		soc_ac97_ops.warm_reset(codec->ac97);
	if (ac97_read(codec, 0) != wm9712_reg[0])
		goto err;
	return 0;

err:
	printk(KERN_ERR "WM9712 AC97 reset failed\n");
	return -EIO;
}

static int wm9712_soc_suspend(struct snd_soc_codec *codec,
	pm_message_t state)
{
	wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF);
	return 0;
}

static int wm9712_soc_resume(struct snd_soc_codec *codec)
{
	int i, ret;
	u16 *cache = codec->reg_cache;

	ret = wm9712_reset(codec, 1);
	if (ret < 0) {
		printk(KERN_ERR "could not reset AC97 codec\n");
		return ret;
	}

	wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);

	if (ret == 0) {
		/* Sync reg_cache with the hardware after cold reset */
		for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
			if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
			    (i > 0x58 && i != 0x5c))
				continue;
			soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
		}
	}

	return ret;
}

static int wm9712_soc_probe(struct snd_soc_codec *codec)
{
	int ret = 0;

	printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);

	ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
	if (ret < 0) {
		printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
		return ret;
	}

	ret = wm9712_reset(codec, 0);
	if (ret < 0) {
		printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n");
		goto reset_err;
	}

	/* set alc mux to none */
	ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);

	wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
	snd_soc_add_controls(codec, wm9712_snd_ac97_controls,
				ARRAY_SIZE(wm9712_snd_ac97_controls));
	wm9712_add_widgets(codec);

	return 0;

reset_err:
	snd_soc_free_ac97_codec(codec);
	return ret;
}

static int wm9712_soc_remove(struct snd_soc_codec *codec)
{
	snd_soc_free_ac97_codec(codec);
	return 0;
}

static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
	.probe = 	wm9712_soc_probe,
	.remove = 	wm9712_soc_remove,
	.suspend =	wm9712_soc_suspend,
	.resume =	wm9712_soc_resume,
	.read = ac97_read,
	.write = ac97_write,
	.set_bias_level = wm9712_set_bias_level,
	.reg_cache_size = ARRAY_SIZE(wm9712_reg),
	.reg_word_size = sizeof(u16),
	.reg_cache_step = 2,
	.reg_cache_default = wm9712_reg,
};

static __devinit int wm9712_probe(struct platform_device *pdev)
{
	return snd_soc_register_codec(&pdev->dev,
			&soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
}

static int __devexit wm9712_remove(struct platform_device *pdev)
{
	snd_soc_unregister_codec(&pdev->dev);
	return 0;
}

static struct platform_driver wm9712_codec_driver = {
	.driver = {
			.name = "wm9712-codec",
			.owner = THIS_MODULE,
	},

	.probe = wm9712_probe,
	.remove = __devexit_p(wm9712_remove),
};

static int __init wm9712_init(void)
{
	return platform_driver_register(&wm9712_codec_driver);
}
module_init(wm9712_init);

static void __exit wm9712_exit(void)
{
	platform_driver_unregister(&wm9712_codec_driver);
}
module_exit(wm9712_exit);

MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
MODULE_AUTHOR("Liam Girdwood");
MODULE_LICENSE("GPL");