aboutsummaryrefslogtreecommitdiffstats
path: root/sound/soc/codecs/wm9713.c
blob: 463917e762b5d3453d443c9eda7c71db50acee94 (plain)
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
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
/*
 * wm9713.c  --  ALSA Soc WM9713 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.
 *
 *  Features:-
 *
 *   o Support for AC97 Codec, Voice DAC and Aux DAC
 *   o Support for DAPM
 */

#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
#include <sound/initval.h>
#include <sound/pcm_params.h>
#include <sound/tlv.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>

#include "wm9713.h"

struct wm9713_priv {
	u32 pll_in; /* PLL input frequency */
};

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);

/*
 * WM9713 register cache
 * Reg 0x3c bit 15 is used by touch driver.
 */
static const u16 wm9713_reg[] = {
	0x6174, 0x8080, 0x8080, 0x8080,
	0xc880, 0xe808, 0xe808, 0x0808,
	0x00da, 0x8000, 0xd600, 0xaaa0,
	0xaaa0, 0xaaa0, 0x0000, 0x0000,
	0x0f0f, 0x0040, 0x0000, 0x7f00,
	0x0405, 0x0410, 0xbb80, 0xbb80,
	0x0000, 0xbb80, 0x0000, 0x4523,
	0x0000, 0x2000, 0x7eff, 0xffff,
	0x0000, 0x0000, 0x0080, 0x0000,
	0x0000, 0x0000, 0xfffe, 0xffff,
	0x0000, 0x0000, 0x0000, 0xfffe,
	0x4000, 0x0000, 0x0000, 0x0000,
	0xb032, 0x3e00, 0x0000, 0x0000,
	0x0000, 0x0000, 0x0000, 0x0000,
	0x0000, 0x0000, 0x0000, 0x0006,
	0x0001, 0x0000, 0x574d, 0x4c13,
	0x0000, 0x0000, 0x0000
};

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

static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"};
static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"};
static const char *wm9713_rec_src[] =
	{"Mic 1", "Mic 2", "Line", "Mono In", "Headphone", "Speaker",
	"Mono Out", "Zh"};
static const char *wm9713_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
static const char *wm9713_alc_select[] = {"None", "Left", "Right", "Stereo"};
static const char *wm9713_mono_pga[] = {"Vmid", "Zh", "Mono", "Inv",
	"Mono Vmid", "Inv Vmid"};
static const char *wm9713_spk_pga[] =
	{"Vmid", "Zh", "Headphone", "Speaker", "Inv", "Headphone Vmid",
	"Speaker Vmid", "Inv Vmid"};
static const char *wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone",
	"Headphone Vmid"};
static const char *wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "Inv 1 Vmid"};
static const char *wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "Inv 2 Vmid"};
static const char *wm9713_dac_inv[] =
	{"Off", "Mono", "Speaker", "Left Headphone", "Right Headphone",
	"Headphone Mono", "NC", "Vmid"};
static const char *wm9713_bass[] = {"Linear Control", "Adaptive Boost"};
static const char *wm9713_ng_type[] = {"Constant Gain", "Mute"};
static const char *wm9713_mic_select[] = {"Mic 1", "Mic 2 A", "Mic 2 B"};
static const char *wm9713_micb_select[] = {"MPB", "MPA"};

static const struct soc_enum wm9713_enum[] = {
SOC_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer), /* record mic mixer 0 */
SOC_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux), /* record mux hp 1 */
SOC_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux),  /* record mux mono 2 */
SOC_ENUM_SINGLE(AC97_VIDEO, 3, 8, wm9713_rec_src),  /* record mux left 3 */
SOC_ENUM_SINGLE(AC97_VIDEO, 0, 8, wm9713_rec_src),  /* record mux right 4*/
SOC_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain), /* record step size 5 */
SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select), /* alc source select 6*/
SOC_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga), /* mono input select 7 */
SOC_ENUM_SINGLE(AC97_REC_GAIN, 11, 8, wm9713_spk_pga), /* speaker left input select 8 */
SOC_ENUM_SINGLE(AC97_REC_GAIN, 8, 8, wm9713_spk_pga), /* speaker right input select 9 */
SOC_ENUM_SINGLE(AC97_REC_GAIN, 6, 3, wm9713_hp_pga), /* headphone left input 10 */
SOC_ENUM_SINGLE(AC97_REC_GAIN, 4, 3, wm9713_hp_pga), /* headphone right input 11 */
SOC_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga), /* out 3 source 12 */
SOC_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga), /* out 4 source 13 */
SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 13, 8, wm9713_dac_inv), /* dac invert 1 14 */
SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */
SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */
SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */
SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */
SOC_ENUM_SINGLE(MICB_MUX, 0, 2, wm9713_micb_select), /* mic selection 19 */
};

static const DECLARE_TLV_DB_SCALE(out_tlv, -4650, 150, 0);
static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
static const DECLARE_TLV_DB_SCALE(misc_tlv, -1500, 300, 0);
static unsigned int mic_tlv[] = {
	TLV_DB_RANGE_HEAD(2),
	0, 2, TLV_DB_SCALE_ITEM(1200, 600, 0),
	3, 3, TLV_DB_SCALE_ITEM(3000, 0, 0),
};

static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = {
SOC_DOUBLE_TLV("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1, out_tlv),
SOC_DOUBLE("Speaker Playback Switch", AC97_MASTER, 15, 7, 1, 1),
SOC_DOUBLE_TLV("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1,
	       out_tlv),
SOC_DOUBLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 7, 1, 1),
SOC_DOUBLE_TLV("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1, main_tlv),
SOC_DOUBLE_TLV("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1, main_tlv),
SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
SOC_SINGLE_TLV("Mic 1 Preamp Volume", AC97_3D_CONTROL, 10, 3, 0, mic_tlv),
SOC_SINGLE_TLV("Mic 2 Preamp Volume", AC97_3D_CONTROL, 12, 3, 0, mic_tlv),

SOC_SINGLE("Mic Boost (+20dB) Switch", AC97_LINE, 5, 1, 0),
SOC_SINGLE("Mic Headphone Mixer Volume", AC97_LINE, 0, 7, 1),

SOC_SINGLE("Capture Switch", AC97_CD, 15, 1, 1),
SOC_ENUM("Capture Volume Steps", wm9713_enum[5]),
SOC_DOUBLE("Capture Volume", AC97_CD, 8, 0, 31, 0),
SOC_SINGLE("Capture ZC Switch", AC97_CD, 7, 1, 0),

SOC_SINGLE_TLV("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1, misc_tlv),
SOC_SINGLE("Capture to Mono Boost (+20dB) Switch", AC97_VIDEO, 8, 1, 0),
SOC_SINGLE("Capture ADC Boost (+20dB) Switch", AC97_VIDEO, 6, 1, 0),

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", wm9713_enum[6]),
SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 0),
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", wm9713_enum[17]),
SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 0),

SOC_DOUBLE("Speaker Playback ZC Switch", AC97_MASTER, 14, 6, 1, 0),
SOC_DOUBLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 14, 6, 1, 0),

SOC_SINGLE("Out4 Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
SOC_SINGLE("Out4 Playback ZC Switch", AC97_MASTER_MONO, 14, 1, 0),
SOC_SINGLE_TLV("Out4 Playback Volume", AC97_MASTER_MONO, 8, 31, 1, out_tlv),

SOC_SINGLE("Out3 Playback Switch", AC97_MASTER_MONO, 7, 1, 1),
SOC_SINGLE("Out3 Playback ZC Switch", AC97_MASTER_MONO, 6, 1, 0),
SOC_SINGLE_TLV("Out3 Playback Volume", AC97_MASTER_MONO, 0, 31, 1, out_tlv),

SOC_SINGLE_TLV("Mono Capture Volume", AC97_MASTER_TONE, 8, 31, 1, main_tlv),
SOC_SINGLE("Mono Playback Switch", AC97_MASTER_TONE, 7, 1, 1),
SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_TONE, 6, 1, 0),
SOC_SINGLE_TLV("Mono Playback Volume", AC97_MASTER_TONE, 0, 31, 1, out_tlv),

SOC_SINGLE_TLV("Headphone Mixer Beep Playback Volume", AC97_AUX, 12, 7, 1,
	       misc_tlv),
SOC_SINGLE_TLV("Speaker Mixer Beep Playback Volume", AC97_AUX, 8, 7, 1,
	       misc_tlv),
SOC_SINGLE_TLV("Mono Mixer Beep Playback Volume", AC97_AUX, 4, 7, 1, misc_tlv),

SOC_SINGLE_TLV("Voice Playback Headphone Volume", AC97_PCM, 12, 7, 1,
	       misc_tlv),
SOC_SINGLE("Voice Playback Master Volume", AC97_PCM, 8, 7, 1),
SOC_SINGLE("Voice Playback Mono Volume", AC97_PCM, 4, 7, 1),

SOC_SINGLE_TLV("Headphone Mixer Aux Playback Volume", AC97_REC_SEL, 12, 7, 1,
	       misc_tlv),

SOC_SINGLE_TLV("Speaker Mixer Voice Playback Volume", AC97_PCM, 8, 7, 1,
	       misc_tlv),
SOC_SINGLE_TLV("Speaker Mixer Aux Playback Volume", AC97_REC_SEL, 8, 7, 1,
	       misc_tlv),

SOC_SINGLE_TLV("Mono Mixer Voice Playback Volume", AC97_PCM, 4, 7, 1,
	       misc_tlv),
SOC_SINGLE_TLV("Mono Mixer Aux Playback Volume", AC97_REC_SEL, 4, 7, 1,
	       misc_tlv),

SOC_SINGLE("Aux Playback Headphone Volume", AC97_REC_SEL, 12, 7, 1),
SOC_SINGLE("Aux Playback Master Volume", AC97_REC_SEL, 8, 7, 1),

SOC_ENUM("Bass Control", wm9713_enum[16]),
SOC_SINGLE("Bass Cut-off Switch", AC97_GENERAL_PURPOSE, 12, 1, 1),
SOC_SINGLE("Tone Cut-off Switch", AC97_GENERAL_PURPOSE, 4, 1, 1),
SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_GENERAL_PURPOSE, 6, 1, 0),
SOC_SINGLE("Bass Volume", AC97_GENERAL_PURPOSE, 8, 15, 1),
SOC_SINGLE("Tone Volume", AC97_GENERAL_PURPOSE, 0, 15, 1),

SOC_SINGLE("3D Upper Cut-off Switch", AC97_REC_GAIN_MIC, 5, 1, 0),
SOC_SINGLE("3D Lower Cut-off Switch", AC97_REC_GAIN_MIC, 4, 1, 0),
SOC_SINGLE("3D Depth", AC97_REC_GAIN_MIC, 0, 15, 1),
};

static int wm9713_voice_shutdown(struct snd_soc_dapm_widget *w,
				 struct snd_kcontrol *kcontrol, int event)
{
	struct snd_soc_codec *codec = w->codec;
	u16 status, rate;

	BUG_ON(event != SND_SOC_DAPM_PRE_PMD);

	/* Gracefully shut down the voice interface. */
	status = ac97_read(codec, AC97_EXTENDED_MID) | 0x1000;
	rate = ac97_read(codec, AC97_HANDSET_RATE) & 0xF0FF;
	ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0200);
	schedule_timeout_interruptible(msecs_to_jiffies(1));
	ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0F00);
	ac97_write(codec, AC97_EXTENDED_MID, status);

	return 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 using the current
 * register map, thus we add a new (virtual) register to help determine the
 * audio route within the device.
 */
static int mixer_event(struct snd_soc_dapm_widget *w,
	struct snd_kcontrol *kcontrol, int event)
{
	u16 l, r, beep, tone, phone, rec, pcm, aux;

	l = ac97_read(w->codec, HPL_MIXER);
	r = ac97_read(w->codec, HPR_MIXER);
	beep = ac97_read(w->codec, AC97_PC_BEEP);
	tone = ac97_read(w->codec, AC97_MASTER_TONE);
	phone = ac97_read(w->codec, AC97_PHONE);
	rec = ac97_read(w->codec, AC97_REC_SEL);
	pcm = ac97_read(w->codec, AC97_PCM);
	aux = ac97_read(w->codec, AC97_AUX);

	if (event & SND_SOC_DAPM_PRE_REG)
		return 0;
	if ((l & 0x1) || (r & 0x1))
		ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
	else
		ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);

	if ((l & 0x2) || (r & 0x2))
		ac97_write(w->codec, AC97_MASTER_TONE, tone & 0x7fff);
	else
		ac97_write(w->codec, AC97_MASTER_TONE, tone | 0x8000);

	if ((l & 0x4) || (r & 0x4))
		ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
	else
		ac97_write(w->codec, AC97_PHONE, phone | 0x8000);

	if ((l & 0x8) || (r & 0x8))
		ac97_write(w->codec, AC97_REC_SEL, rec & 0x7fff);
	else
		ac97_write(w->codec, AC97_REC_SEL, rec | 0x8000);

	if ((l & 0x10) || (r & 0x10))
		ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
	else
		ac97_write(w->codec, AC97_PCM, pcm | 0x8000);

	if ((l & 0x20) || (r & 0x20))
		ac97_write(w->codec, AC97_AUX, aux & 0x7fff);
	else
		ac97_write(w->codec, AC97_AUX, aux | 0x8000);

	return 0;
}

/* Left Headphone Mixers */
static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
SOC_DAPM_SINGLE("Beep Playback Switch", HPL_MIXER, 5, 1, 0),
SOC_DAPM_SINGLE("Voice Playback Switch", HPL_MIXER, 4, 1, 0),
SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 3, 1, 0),
SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 2, 1, 0),
SOC_DAPM_SINGLE("MonoIn Playback Switch", HPL_MIXER, 1, 1, 0),
SOC_DAPM_SINGLE("Bypass Playback Switch", HPL_MIXER, 0, 1, 0),
};

/* Right Headphone Mixers */
static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
SOC_DAPM_SINGLE("Beep Playback Switch", HPR_MIXER, 5, 1, 0),
SOC_DAPM_SINGLE("Voice Playback Switch", HPR_MIXER, 4, 1, 0),
SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 3, 1, 0),
SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 2, 1, 0),
SOC_DAPM_SINGLE("MonoIn Playback Switch", HPR_MIXER, 1, 1, 0),
SOC_DAPM_SINGLE("Bypass Playback Switch", HPR_MIXER, 0, 1, 0),
};

/* headphone capture mux */
static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[1]);

/* headphone mic mux */
static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[0]);

/* Speaker Mixer */
static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = {
SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 11, 1, 1),
SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1),
SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1),
SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1),
SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1),
SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1),
};

/* Mono Mixer */
static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = {
SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 7, 1, 1),
SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1),
SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1),
SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1),
SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1),
SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1),
SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1),
SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1),
};

/* mono mic mux */
static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[2]);

/* mono output mux */
static const struct snd_kcontrol_new wm9713_mono_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[7]);

/* speaker left output mux */
static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[8]);

/* speaker right output mux */
static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[9]);

/* headphone left output mux */
static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[10]);

/* headphone right output mux */
static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[11]);

/* Out3 mux */
static const struct snd_kcontrol_new wm9713_out3_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[12]);

/* Out4 mux */
static const struct snd_kcontrol_new wm9713_out4_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[13]);

/* DAC inv mux 1 */
static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[14]);

/* DAC inv mux 2 */
static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[15]);

/* Capture source left */
static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[3]);

/* Capture source right */
static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[4]);

/* mic source */
static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[18]);

/* mic source B virtual control */
static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls =
SOC_DAPM_ENUM("Route", wm9713_enum[19]);

static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = {
SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0,
	&wm9713_hp_rec_mux_controls),
SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
	&wm9713_hp_mic_mux_controls),
SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0,
	&wm9713_mono_mic_mux_controls),
SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0,
	&wm9713_mono_mux_controls),
SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0,
	&wm9713_hp_spkl_mux_controls),
SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0,
	&wm9713_hp_spkr_mux_controls),
SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
	&wm9713_hpl_out_mux_controls),
SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
	&wm9713_hpr_out_mux_controls),
SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0,
	&wm9713_out3_mux_controls),
SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0,
	&wm9713_out4_mux_controls),
SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0,
	&wm9713_dac_inv1_mux_controls),
SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0,
	&wm9713_dac_inv2_mux_controls),
SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
	&wm9713_rec_srcl_mux_controls),
SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
	&wm9713_rec_srcr_mux_controls),
SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
	&wm9713_mic_sel_mux_controls),
SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
	&wm9713_micb_sel_mux_controls),
SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
	&wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls),
	mixer_event, SND_SOC_DAPM_POST_REG),
SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
	&wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls),
	mixer_event, SND_SOC_DAPM_POST_REG),
SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
	&wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
	&wm9713_speaker_mixer_controls[0],
	ARRAY_SIZE(wm9713_speaker_mixer_controls)),
SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1),
SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1),
SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_DAC_E("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1,
		   wm9713_voice_shutdown, SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
SND_SOC_DAPM_PGA("Left ADC", AC97_EXTENDED_MID, 5, 1, NULL, 0),
SND_SOC_DAPM_PGA("Right ADC", AC97_EXTENDED_MID, 4, 1, NULL, 0),
SND_SOC_DAPM_ADC("Left HiFi ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_ADC("Right HiFi ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_ADC("Left Voice ADC", "Left Voice Capture", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_ADC("Right Voice ADC", "Right Voice Capture", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
SND_SOC_DAPM_OUTPUT("MONO"),
SND_SOC_DAPM_OUTPUT("HPL"),
SND_SOC_DAPM_OUTPUT("HPR"),
SND_SOC_DAPM_OUTPUT("SPKL"),
SND_SOC_DAPM_OUTPUT("SPKR"),
SND_SOC_DAPM_OUTPUT("OUT3"),
SND_SOC_DAPM_OUTPUT("OUT4"),
SND_SOC_DAPM_INPUT("LINEL"),
SND_SOC_DAPM_INPUT("LINER"),
SND_SOC_DAPM_INPUT("MONOIN"),
SND_SOC_DAPM_INPUT("PCBEEP"),
SND_SOC_DAPM_INPUT("MIC1"),
SND_SOC_DAPM_INPUT("MIC2A"),
SND_SOC_DAPM_INPUT("MIC2B"),
SND_SOC_DAPM_VMID("VMID"),
};

static const struct snd_soc_dapm_route audio_map[] = {
	/* left HP mixer */
	{"Left HP Mixer", "Beep Playback Switch",    "PCBEEP"},
	{"Left HP Mixer", "Voice Playback Switch",   "Voice DAC"},
	{"Left HP Mixer", "Aux Playback Switch",     "Aux DAC"},
	{"Left HP Mixer", "Bypass Playback Switch",  "Left Line In"},
	{"Left HP Mixer", "PCM Playback Switch",     "Left DAC"},
	{"Left HP Mixer", "MonoIn Playback Switch",  "Mono In"},
	{"Left HP Mixer", NULL,  "Capture Headphone Mux"},

	/* right HP mixer */
	{"Right HP Mixer", "Beep Playback Switch",    "PCBEEP"},
	{"Right HP Mixer", "Voice Playback Switch",   "Voice DAC"},
	{"Right HP Mixer", "Aux Playback Switch",     "Aux DAC"},
	{"Right HP Mixer", "Bypass Playback Switch",  "Right Line In"},
	{"Right HP Mixer", "PCM Playback Switch",     "Right DAC"},
	{"Right HP Mixer", "MonoIn Playback Switch",  "Mono In"},
	{"Right HP Mixer", NULL,  "Capture Headphone Mux"},

	/* virtual mixer - mixes left & right channels for spk and mono */
	{"AC97 Mixer", NULL, "Left DAC"},
	{"AC97 Mixer", NULL, "Right DAC"},
	{"Line Mixer", NULL, "Right Line In"},
	{"Line Mixer", NULL, "Left Line In"},
	{"HP Mixer", NULL, "Left HP Mixer"},
	{"HP Mixer", NULL, "Right HP Mixer"},
	{"Capture Mixer", NULL, "Left Capture Source"},
	{"Capture Mixer", NULL, "Right Capture Source"},

	/* speaker mixer */
	{"Speaker Mixer", "Beep Playback Switch",    "PCBEEP"},
	{"Speaker Mixer", "Voice Playback Switch",   "Voice DAC"},
	{"Speaker Mixer", "Aux Playback Switch",     "Aux DAC"},
	{"Speaker Mixer", "Bypass Playback Switch",  "Line Mixer"},
	{"Speaker Mixer", "PCM Playback Switch",     "AC97 Mixer"},
	{"Speaker Mixer", "MonoIn Playback Switch",  "Mono In"},

	/* mono mixer */
	{"Mono Mixer", "Beep Playback Switch",    "PCBEEP"},
	{"Mono Mixer", "Voice Playback Switch",   "Voice DAC"},
	{"Mono Mixer", "Aux Playback Switch",     "Aux DAC"},
	{"Mono Mixer", "Bypass Playback Switch",  "Line Mixer"},
	{"Mono Mixer", "PCM Playback Switch",     "AC97 Mixer"},
	{"Mono Mixer", "Mic 1 Sidetone Switch", "Mic A PGA"},
	{"Mono Mixer", "Mic 2 Sidetone Switch", "Mic B PGA"},
	{"Mono Mixer", NULL,  "Capture Mono Mux"},

	/* DAC inv mux 1 */
	{"DAC Inv Mux 1", "Mono", "Mono Mixer"},
	{"DAC Inv Mux 1", "Speaker", "Speaker Mixer"},
	{"DAC Inv Mux 1", "Left Headphone", "Left HP Mixer"},
	{"DAC Inv Mux 1", "Right Headphone", "Right HP Mixer"},
	{"DAC Inv Mux 1", "Headphone Mono", "HP Mixer"},

	/* DAC inv mux 2 */
	{"DAC Inv Mux 2", "Mono", "Mono Mixer"},
	{"DAC Inv Mux 2", "Speaker", "Speaker Mixer"},
	{"DAC Inv Mux 2", "Left Headphone", "Left HP Mixer"},
	{"DAC Inv Mux 2", "Right Headphone", "Right HP Mixer"},
	{"DAC Inv Mux 2", "Headphone Mono", "HP Mixer"},

	/* headphone left mux */
	{"Left Headphone Out Mux", "Headphone", "Left HP Mixer"},

	/* headphone right mux */
	{"Right Headphone Out Mux", "Headphone", "Right HP Mixer"},

	/* speaker left mux */
	{"Left Speaker Out Mux", "Headphone", "Left HP Mixer"},
	{"Left Speaker Out Mux", "Speaker", "Speaker Mixer"},
	{"Left Speaker Out Mux", "Inv", "DAC Inv Mux 1"},

	/* speaker right mux */
	{"Right Speaker Out Mux", "Headphone", "Right HP Mixer"},
	{"Right Speaker Out Mux", "Speaker", "Speaker Mixer"},
	{"Right Speaker Out Mux", "Inv", "DAC Inv Mux 2"},

	/* mono mux */
	{"Mono Out Mux", "Mono", "Mono Mixer"},
	{"Mono Out Mux", "Inv", "DAC Inv Mux 1"},

	/* out 3 mux */
	{"Out 3 Mux", "Inv 1", "DAC Inv Mux 1"},

	/* out 4 mux */
	{"Out 4 Mux", "Inv 2", "DAC Inv Mux 2"},

	/* output pga */
	{"HPL", NULL, "Left Headphone"},
	{"Left Headphone", NULL, "Left Headphone Out Mux"},
	{"HPR", NULL, "Right Headphone"},
	{"Right Headphone", NULL, "Right Headphone Out Mux"},
	{"OUT3", NULL, "Out 3"},
	{"Out 3", NULL, "Out 3 Mux"},
	{"OUT4", NULL, "Out 4"},
	{"Out 4", NULL, "Out 4 Mux"},
	{"SPKL", NULL, "Left Speaker"},
	{"Left Speaker", NULL, "Left Speaker Out Mux"},
	{"SPKR", NULL, "Right Speaker"},
	{"Right Speaker", NULL, "Right Speaker Out Mux"},
	{"MONO", NULL, "Mono Out"},
	{"Mono Out", NULL, "Mono Out Mux"},

	/* input pga */
	{"Left Line In", NULL, "LINEL"},
	{"Right Line In", NULL, "LINER"},
	{"Mono In", NULL, "MONOIN"},
	{"Mic A PGA", NULL, "Mic A Pre Amp"},
	{"Mic B PGA", NULL, "Mic B Pre Amp"},

	/* left capture select */
	{"Left Capture Source", "Mic 1", "Mic A Pre Amp"},
	{"Left Capture Source", "Mic 2", "Mic B Pre Amp"},
	{"Left Capture Source", "Line", "LINEL"},
	{"Left Capture Source", "Mono In", "MONOIN"},
	{"Left Capture Source", "Headphone", "Left HP Mixer"},
	{"Left Capture Source", "Speaker", "Speaker Mixer"},
	{"Left Capture Source", "Mono Out", "Mono Mixer"},

	/* right capture select */
	{"Right Capture Source", "Mic 1", "Mic A Pre Amp"},
	{"Right Capture Source", "Mic 2", "Mic B Pre Amp"},
	{"Right Capture Source", "Line", "LINER"},
	{"Right Capture Source", "Mono In", "MONOIN"},
	{"Right Capture Source", "Headphone", "Right HP Mixer"},
	{"Right Capture Source", "Speaker", "Speaker Mixer"},
	{"Right Capture Source", "Mono Out", "Mono Mixer"},

	/* left ADC */
	{"Left ADC", NULL, "Left Capture Source"},
	{"Left Voice ADC", NULL, "Left ADC"},
	{"Left HiFi ADC", NULL, "Left ADC"},

	/* right ADC */
	{"Right ADC", NULL, "Right Capture Source"},
	{"Right Voice ADC", NULL, "Right ADC"},
	{"Right HiFi ADC", NULL, "Right ADC"},

	/* mic */
	{"Mic A Pre Amp", NULL, "Mic A Source"},
	{"Mic A Source", "Mic 1", "MIC1"},
	{"Mic A Source", "Mic 2 A", "MIC2A"},
	{"Mic A Source", "Mic 2 B", "Mic B Source"},
	{"Mic B Pre Amp", "MPB", "Mic B Source"},
	{"Mic B Source", NULL, "MIC2B"},

	/* headphone capture */
	{"Capture Headphone Mux", "Stereo", "Capture Mixer"},
	{"Capture Headphone Mux", "Left", "Left Capture Source"},
	{"Capture Headphone Mux", "Right", "Right Capture Source"},

	/* mono capture */
	{"Capture Mono Mux", "Stereo", "Capture Mixer"},
	{"Capture Mono Mux", "Left", "Left Capture Source"},
	{"Capture Mono Mux", "Right", "Right Capture Source"},
};

static int wm9713_add_widgets(struct snd_soc_codec *codec)
{
	snd_soc_dapm_new_controls(codec, wm9713_dapm_widgets,
				  ARRAY_SIZE(wm9713_dapm_widgets));

	snd_soc_dapm_add_routes(codec, 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_CD)
		return soc_ac97_ops.read(codec->ac97, reg);
	else {
		reg = reg >> 1;

		if (reg >= (ARRAY_SIZE(wm9713_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(wm9713_reg)))
		cache[reg] = val;

	return 0;
}

/* PLL divisors */
struct _pll_div {
	u32 divsel:1;
	u32 divctl:1;
	u32 lf:1;
	u32 n:4;
	u32 k:24;
};

/* The size in bits of the PLL divide multiplied by 10
 * to allow rounding later */
#define FIXED_PLL_SIZE ((1 << 22) * 10)

static void pll_factors(struct _pll_div *pll_div, unsigned int source)
{
	u64 Kpart;
	unsigned int K, Ndiv, Nmod, target;

	/* The the PLL output is always 98.304MHz. */
	target = 98304000;

	/* If the input frequency is over 14.4MHz then scale it down. */
	if (source > 14400000) {
		source >>= 1;
		pll_div->divsel = 1;

		if (source > 14400000) {
			source >>= 1;
			pll_div->divctl = 1;
		} else
			pll_div->divctl = 0;

	} else {
		pll_div->divsel = 0;
		pll_div->divctl = 0;
	}

	/* Low frequency sources require an additional divide in the
	 * loop.
	 */
	if (source < 8192000) {
		pll_div->lf = 1;
		target >>= 2;
	} else
		pll_div->lf = 0;

	Ndiv = target / source;
	if ((Ndiv < 5) || (Ndiv > 12))
		printk(KERN_WARNING
			"WM9713 PLL N value %u out of recommended range!\n",
			Ndiv);

	pll_div->n = Ndiv;
	Nmod = target % source;
	Kpart = FIXED_PLL_SIZE * (long long)Nmod;

	do_div(Kpart, source);

	K = Kpart & 0xFFFFFFFF;

	/* Check if we need to round */
	if ((K % 10) >= 5)
		K += 5;

	/* Move down to proper range now rounding is done */
	K /= 10;

	pll_div->k = K;
}

/**
 * Please note that changing the PLL input frequency may require
 * resynchronisation with the AC97 controller.
 */
static int wm9713_set_pll(struct snd_soc_codec *codec,
	int pll_id, unsigned int freq_in, unsigned int freq_out)
{
	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
	u16 reg, reg2;
	struct _pll_div pll_div;

	/* turn PLL off ? */
	if (freq_in == 0) {
		/* disable PLL power and select ext source */
		reg = ac97_read(codec, AC97_HANDSET_RATE);
		ac97_write(codec, AC97_HANDSET_RATE, reg | 0x0080);
		reg = ac97_read(codec, AC97_EXTENDED_MID);
		ac97_write(codec, AC97_EXTENDED_MID, reg | 0x0200);
		wm9713->pll_in = 0;
		return 0;
	}

	pll_factors(&pll_div, freq_in);

	if (pll_div.k == 0) {
		reg = (pll_div.n << 12) | (pll_div.lf << 11) |
			(pll_div.divsel << 9) | (pll_div.divctl << 8);
		ac97_write(codec, AC97_LINE1_LEVEL, reg);
	} else {
		/* write the fractional k to the reg 0x46 pages */
		reg2 = (pll_div.n << 12) | (pll_div.lf << 11) | (1 << 10) |
			(pll_div.divsel << 9) | (pll_div.divctl << 8);

		/* K [21:20] */
		reg = reg2 | (0x5 << 4) | (pll_div.k >> 20);
		ac97_write(codec, AC97_LINE1_LEVEL, reg);

		/* K [19:16] */
		reg = reg2 | (0x4 << 4) | ((pll_div.k >> 16) & 0xf);
		ac97_write(codec, AC97_LINE1_LEVEL, reg);

		/* K [15:12] */
		reg = reg2 | (0x3 << 4) | ((pll_div.k >> 12) & 0xf);
		ac97_write(codec, AC97_LINE1_LEVEL, reg);

		/* K [11:8] */
		reg = reg2 | (0x2 << 4) | ((pll_div.k >> 8) & 0xf);
		ac97_write(codec, AC97_LINE1_LEVEL, reg);

		/* K [7:4] */
		reg = reg2 | (0x1 << 4) | ((pll_div.k >> 4) & 0xf);
		ac97_write(codec, AC97_LINE1_LEVEL, reg);

		reg = reg2 | (0x0 << 4) | (pll_div.k & 0xf); /* K [3:0] */
		ac97_write(codec, AC97_LINE1_LEVEL, reg);
	}

	/* turn PLL on and select as source */
	reg = ac97_read(codec, AC97_EXTENDED_MID);
	ac97_write(codec, AC97_EXTENDED_MID, reg & 0xfdff);
	reg = ac97_read(codec, AC97_HANDSET_RATE);
	ac97_write(codec, AC97_HANDSET_RATE, reg & 0xff7f);
	wm9713->pll_in = freq_in;

	/* wait 10ms AC97 link frames for the link to stabilise */
	schedule_timeout_interruptible(msecs_to_jiffies(10));
	return 0;
}

static int wm9713_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
		int source, unsigned int freq_in, unsigned int freq_out)
{
	struct snd_soc_codec *codec = codec_dai->codec;
	return wm9713_set_pll(codec, pll_id, freq_in, freq_out);
}

/*
 * Tristate the PCM DAI lines, tristate can be disabled by calling
 * wm9713_set_dai_fmt()
 */
static int wm9713_set_dai_tristate(struct snd_soc_dai *codec_dai,
	int tristate)
{
	struct snd_soc_codec *codec = codec_dai->codec;
	u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0x9fff;

	if (tristate)
		ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);

	return 0;
}

/*
 * Configure WM9713 clock dividers.
 * Voice DAC needs 256 FS
 */
static int wm9713_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
		int div_id, int div)
{
	struct snd_soc_codec *codec = codec_dai->codec;
	u16 reg;

	switch (div_id) {
	case WM9713_PCMCLK_DIV:
		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xf0ff;
		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
		break;
	case WM9713_CLKA_MULT:
		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffd;
		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
		break;
	case WM9713_CLKB_MULT:
		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffb;
		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
		break;
	case WM9713_HIFI_DIV:
		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0x8fff;
		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
		break;
	case WM9713_PCMBCLK_DIV:
		reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xf1ff;
		ac97_write(codec, AC97_CENTER_LFE_MASTER, reg | div);
		break;
	case WM9713_PCMCLK_PLL_DIV:
		reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
		ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x60 | div);
		break;
	case WM9713_HIFI_PLL_DIV:
		reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
		ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x70 | div);
		break;
	default:
		return -EINVAL;
	}

	return 0;
}

static int wm9713_set_dai_fmt(struct snd_soc_dai *codec_dai,
		unsigned int fmt)
{
	struct snd_soc_codec *codec = codec_dai->codec;
	u16 gpio = ac97_read(codec, AC97_GPIO_CFG) & 0xffc5;
	u16 reg = 0x8000;

	/* clock masters */
	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
	case SND_SOC_DAIFMT_CBM_CFM:
		reg |= 0x4000;
		gpio |= 0x0010;
		break;
	case SND_SOC_DAIFMT_CBM_CFS:
		reg |= 0x6000;
		gpio |= 0x0018;
		break;
	case SND_SOC_DAIFMT_CBS_CFS:
		reg |= 0x2000;
		gpio |= 0x001a;
		break;
	case SND_SOC_DAIFMT_CBS_CFM:
		gpio |= 0x0012;
		break;
	}

	/* clock inversion */
	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
	case SND_SOC_DAIFMT_IB_IF:
		reg |= 0x00c0;
		break;
	case SND_SOC_DAIFMT_IB_NF:
		reg |= 0x0080;
		break;
	case SND_SOC_DAIFMT_NB_IF:
		reg |= 0x0040;
		break;
	}

	/* DAI format */
	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
	case SND_SOC_DAIFMT_I2S:
		reg |= 0x0002;
		break;
	case SND_SOC_DAIFMT_RIGHT_J:
		break;
	case SND_SOC_DAIFMT_LEFT_J:
		reg |= 0x0001;
		break;
	case SND_SOC_DAIFMT_DSP_A:
		reg |= 0x0003;
		break;
	case SND_SOC_DAIFMT_DSP_B:
		reg |= 0x0043;
		break;
	}

	ac97_write(codec, AC97_GPIO_CFG, gpio);
	ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
	return 0;
}

static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
				struct snd_pcm_hw_params *params,
				struct snd_soc_dai *dai)
{
	struct snd_soc_codec *codec = dai->codec;
	u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xfff3;

	switch (params_format(params)) {
	case SNDRV_PCM_FORMAT_S16_LE:
		break;
	case SNDRV_PCM_FORMAT_S20_3LE:
		reg |= 0x0004;
		break;
	case SNDRV_PCM_FORMAT_S24_LE:
		reg |= 0x0008;
		break;
	case SNDRV_PCM_FORMAT_S32_LE:
		reg |= 0x000c;
		break;
	}

	/* enable PCM interface in master mode */
	ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
	return 0;
}

static int ac97_hifi_prepare(struct snd_pcm_substream *substream,
			     struct snd_soc_dai *dai)
{
	struct snd_soc_codec *codec = dai->codec;
	struct snd_pcm_runtime *runtime = substream->runtime;
	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_soc_codec *codec = dai->codec;
	struct snd_pcm_runtime *runtime = substream->runtime;
	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 WM9713_RATES (SNDRV_PCM_RATE_8000  |	\
		      SNDRV_PCM_RATE_11025 |	\
		      SNDRV_PCM_RATE_22050 |	\
		      SNDRV_PCM_RATE_44100 |	\
		      SNDRV_PCM_RATE_48000)

#define WM9713_PCM_RATES (SNDRV_PCM_RATE_8000  |	\
			  SNDRV_PCM_RATE_11025 |	\
			  SNDRV_PCM_RATE_16000 |	\
			  SNDRV_PCM_RATE_22050 |	\
			  SNDRV_PCM_RATE_44100 |	\
			  SNDRV_PCM_RATE_48000)

#define WM9713_PCM_FORMATS \
	(SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
	 SNDRV_PCM_FORMAT_S24_LE)

static struct snd_soc_dai_ops wm9713_dai_ops_hifi = {
	.prepare	= ac97_hifi_prepare,
	.set_clkdiv	= wm9713_set_dai_clkdiv,
	.set_pll	= wm9713_set_dai_pll,
};

static struct snd_soc_dai_ops wm9713_dai_ops_aux = {
	.prepare	= ac97_aux_prepare,
	.set_clkdiv	= wm9713_set_dai_clkdiv,
	.set_pll	= wm9713_set_dai_pll,
};

static struct snd_soc_dai_ops wm9713_dai_ops_voice = {
	.hw_params	= wm9713_pcm_hw_params,
	.set_clkdiv	= wm9713_set_dai_clkdiv,
	.set_pll	= wm9713_set_dai_pll,
	.set_fmt	= wm9713_set_dai_fmt,
	.set_tristate	= wm9713_set_dai_tristate,
};

static struct snd_soc_dai_driver wm9713_dai[] = {
{
	.name = "wm9713-hifi",
	.ac97_control = 1,
	.playback = {
		.stream_name = "HiFi Playback",
		.channels_min = 1,
		.channels_max = 2,
		.rates = WM9713_RATES,
		.formats = SND_SOC_STD_AC97_FMTS,},
	.capture = {
		.stream_name = "HiFi Capture",
		.channels_min = 1,
		.channels_max = 2,
		.rates = WM9713_RATES,
		.formats = SND_SOC_STD_AC97_FMTS,},
	.ops = &wm9713_dai_ops_hifi,
	},
	{
	.name = "wm9713-aux",
	.playback = {
		.stream_name = "Aux Playback",
		.channels_min = 1,
		.channels_max = 1,
		.rates = WM9713_RATES,
		.formats = SND_SOC_STD_AC97_FMTS,},
	.ops = &wm9713_dai_ops_aux,
	},
	{
	.name = "wm9713-voice",
	.playback = {
		.stream_name = "Voice Playback",
		.channels_min = 1,
		.channels_max = 1,
		.rates = WM9713_PCM_RATES,
		.formats = WM9713_PCM_FORMATS,},
	.capture = {
		.stream_name = "Voice Capture",
		.channels_min = 1,
		.channels_max = 2,
		.rates = WM9713_PCM_RATES,
		.formats = WM9713_PCM_FORMATS,},
	.ops = &wm9713_dai_ops_voice,
	.symmetric_rates = 1,
	},
};

int wm9713_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) == wm9713_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) != wm9713_reg[0])
		return -EIO;
	return 0;
}
EXPORT_SYMBOL_GPL(wm9713_reset);

static int wm9713_set_bias_level(struct snd_soc_codec *codec,
				 enum snd_soc_bias_level level)
{
	u16 reg;

	switch (level) {
	case SND_SOC_BIAS_ON:
		/* enable thermal shutdown */
		reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x1bff;
		ac97_write(codec, AC97_EXTENDED_MID, reg);
		break;
	case SND_SOC_BIAS_PREPARE:
		break;
	case SND_SOC_BIAS_STANDBY:
		/* enable master bias and vmid */
		reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x3bff;
		ac97_write(codec, AC97_EXTENDED_MID, reg);
		ac97_write(codec, AC97_POWERDOWN, 0x0000);
		break;
	case SND_SOC_BIAS_OFF:
		/* disable everything including AC link */
		ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
		ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
		ac97_write(codec, AC97_POWERDOWN, 0xffff);
		break;
	}
	codec->bias_level = level;
	return 0;
}

static int wm9713_soc_suspend(struct snd_soc_codec *codec,
	pm_message_t state)
{
	u16 reg;

	/* Disable everything except touchpanel - that will be handled
	 * by the touch driver and left disabled if touch is not in
	 * use. */
	reg = ac97_read(codec, AC97_EXTENDED_MID);
	ac97_write(codec, AC97_EXTENDED_MID, reg | 0x7fff);
	ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
	ac97_write(codec, AC97_POWERDOWN, 0x6f00);
	ac97_write(codec, AC97_POWERDOWN, 0xffff);

	return 0;
}

static int wm9713_soc_resume(struct snd_soc_codec *codec)
{
	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
	int i, ret;
	u16 *cache = codec->reg_cache;

	ret = wm9713_reset(codec, 1);
	if (ret < 0) {
		printk(KERN_ERR "could not reset AC97 codec\n");
		return ret;
	}

	wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);

	/* do we need to re-start the PLL ? */
	if (wm9713->pll_in)
		wm9713_set_pll(codec, 0, wm9713->pll_in, 0);

	/* only synchronise the codec if warm reset failed */
	if (ret == 0) {
		for (i = 2; i < ARRAY_SIZE(wm9713_reg) << 1; i += 2) {
			if (i == AC97_POWERDOWN || i == AC97_EXTENDED_MID ||
				i == AC97_EXTENDED_MSTATUS || i > 0x66)
				continue;
			soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
		}
	}

	return ret;
}

static int wm9713_soc_probe(struct snd_soc_codec *codec)
{
	struct wm9713_priv *wm9713;
	int ret = 0, reg;

	wm9713 = kzalloc(sizeof(struct wm9713_priv), GFP_KERNEL);
	if (wm9713 == NULL)
		return -ENOMEM;
	snd_soc_codec_set_drvdata(codec, wm9713);

	ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
	if (ret < 0)
		goto codec_err;

	/* do a cold reset for the controller and then try
	 * a warm reset followed by an optional cold reset for codec */
	wm9713_reset(codec, 0);
	ret = wm9713_reset(codec, 1);
	if (ret < 0) {
		printk(KERN_ERR "Failed to reset WM9713: AC97 link error\n");
		goto reset_err;
	}

	wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);

	/* unmute the adc - move to kcontrol */
	reg = ac97_read(codec, AC97_CD) & 0x7fff;
	ac97_write(codec, AC97_CD, reg);

	snd_soc_add_controls(codec, wm9713_snd_ac97_controls,
				ARRAY_SIZE(wm9713_snd_ac97_controls));
	wm9713_add_widgets(codec);

	return 0;

reset_err:
	snd_soc_free_ac97_codec(codec);
codec_err:
	kfree(wm9713);
	return ret;
}

static int wm9713_soc_remove(struct snd_soc_codec *codec)
{
	struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
	snd_soc_free_ac97_codec(codec);
	kfree(wm9713);
	return 0;
}

static struct snd_soc_codec_driver soc_codec_dev_wm9713 = {
	.probe = 	wm9713_soc_probe,
	.remove = 	wm9713_soc_remove,
	.suspend =	wm9713_soc_suspend,
	.resume = 	wm9713_soc_resume,
	.read = ac97_read,
	.write = ac97_write,
	.set_bias_level = wm9713_set_bias_level,
	.reg_cache_size = sizeof(wm9713_reg),
	.reg_word_size = sizeof(u16),
	.reg_cache_step = 2,
	.reg_cache_default = wm9713_reg,
};

static __devinit int wm9713_probe(struct platform_device *pdev)
{
	return snd_soc_register_codec(&pdev->dev,
			&soc_codec_dev_wm9713, wm9713_dai, ARRAY_SIZE(wm9713_dai));
}

static int __devexit wm9713_remove(struct platform_device *pdev)
{
	snd_soc_unregister_codec(&pdev->dev);
	return 0;
}

static struct platform_driver wm9713_codec_driver = {
	.driver = {
			.name = "wm9713-codec",
			.owner = THIS_MODULE,
	},

	.probe = wm9713_probe,
	.remove = __devexit_p(wm9713_remove),
};

static int __init wm9713_init(void)
{
	return platform_driver_register(&wm9713_codec_driver);
}
module_init(wm9713_init);

static void __exit wm9713_exit(void)
{
	platform_driver_unregister(&wm9713_codec_driver);
}
module_exit(wm9713_exit);

MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver");
MODULE_AUTHOR("Liam Girdwood");
MODULE_LICENSE("GPL");