summaryrefslogtreecommitdiffstats
path: root/sound/soc/codecs/tlv320aic31xx.c
blob: e60e37b43a1b2f0a6c1f658de2c2803dae8c35e2 (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
/*
 * ALSA SoC TLV320AIC31XX codec driver
 *
 * Copyright (C) 2014 Texas Instruments, Inc.
 *
 * Author: Jyri Sarha <jsarha@ti.com>
 *
 * Based on ground work by: Ajit Kulkarni <x0175765@ti.com>
 *
 * This package is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * THIS PACKAGE IS PROVIDED AS IS AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * The TLV320AIC31xx series of audio codec is a low-power, highly integrated
 * high performance codec which provides a stereo DAC, a mono ADC,
 * and mono/stereo Class-D speaker driver.
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <linux/of_gpio.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <dt-bindings/sound/tlv320aic31xx-micbias.h>

#include "tlv320aic31xx.h"

static const struct reg_default aic31xx_reg_defaults[] = {
	{ AIC31XX_CLKMUX, 0x00 },
	{ AIC31XX_PLLPR, 0x11 },
	{ AIC31XX_PLLJ, 0x04 },
	{ AIC31XX_PLLDMSB, 0x00 },
	{ AIC31XX_PLLDLSB, 0x00 },
	{ AIC31XX_NDAC, 0x01 },
	{ AIC31XX_MDAC, 0x01 },
	{ AIC31XX_DOSRMSB, 0x00 },
	{ AIC31XX_DOSRLSB, 0x80 },
	{ AIC31XX_NADC, 0x01 },
	{ AIC31XX_MADC, 0x01 },
	{ AIC31XX_AOSR, 0x80 },
	{ AIC31XX_IFACE1, 0x00 },
	{ AIC31XX_DATA_OFFSET, 0x00 },
	{ AIC31XX_IFACE2, 0x00 },
	{ AIC31XX_BCLKN, 0x01 },
	{ AIC31XX_DACSETUP, 0x14 },
	{ AIC31XX_DACMUTE, 0x0c },
	{ AIC31XX_LDACVOL, 0x00 },
	{ AIC31XX_RDACVOL, 0x00 },
	{ AIC31XX_ADCSETUP, 0x00 },
	{ AIC31XX_ADCFGA, 0x80 },
	{ AIC31XX_ADCVOL, 0x00 },
	{ AIC31XX_HPDRIVER, 0x04 },
	{ AIC31XX_SPKAMP, 0x06 },
	{ AIC31XX_DACMIXERROUTE, 0x00 },
	{ AIC31XX_LANALOGHPL, 0x7f },
	{ AIC31XX_RANALOGHPR, 0x7f },
	{ AIC31XX_LANALOGSPL, 0x7f },
	{ AIC31XX_RANALOGSPR, 0x7f },
	{ AIC31XX_HPLGAIN, 0x02 },
	{ AIC31XX_HPRGAIN, 0x02 },
	{ AIC31XX_SPLGAIN, 0x00 },
	{ AIC31XX_SPRGAIN, 0x00 },
	{ AIC31XX_MICBIAS, 0x00 },
	{ AIC31XX_MICPGA, 0x80 },
	{ AIC31XX_MICPGAPI, 0x00 },
	{ AIC31XX_MICPGAMI, 0x00 },
};

static bool aic31xx_volatile(struct device *dev, unsigned int reg)
{
	switch (reg) {
	case AIC31XX_PAGECTL: /* regmap implementation requires this */
	case AIC31XX_RESET: /* always clears after write */
	case AIC31XX_OT_FLAG:
	case AIC31XX_ADCFLAG:
	case AIC31XX_DACFLAG1:
	case AIC31XX_DACFLAG2:
	case AIC31XX_OFFLAG: /* Sticky interrupt flags */
	case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
	case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
	case AIC31XX_INTRDACFLAG2:
	case AIC31XX_INTRADCFLAG2:
		return true;
	}
	return false;
}

static bool aic31xx_writeable(struct device *dev, unsigned int reg)
{
	switch (reg) {
	case AIC31XX_OT_FLAG:
	case AIC31XX_ADCFLAG:
	case AIC31XX_DACFLAG1:
	case AIC31XX_DACFLAG2:
	case AIC31XX_OFFLAG: /* Sticky interrupt flags */
	case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
	case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
	case AIC31XX_INTRDACFLAG2:
	case AIC31XX_INTRADCFLAG2:
		return false;
	}
	return true;
}

static const struct regmap_range_cfg aic31xx_ranges[] = {
	{
		.range_min = 0,
		.range_max = 12 * 128,
		.selector_reg = AIC31XX_PAGECTL,
		.selector_mask = 0xff,
		.selector_shift = 0,
		.window_start = 0,
		.window_len = 128,
	},
};

struct regmap_config aic31xx_i2c_regmap = {
	.reg_bits = 8,
	.val_bits = 8,
	.writeable_reg = aic31xx_writeable,
	.volatile_reg = aic31xx_volatile,
	.reg_defaults = aic31xx_reg_defaults,
	.num_reg_defaults = ARRAY_SIZE(aic31xx_reg_defaults),
	.cache_type = REGCACHE_RBTREE,
	.ranges = aic31xx_ranges,
	.num_ranges = ARRAY_SIZE(aic31xx_ranges),
	.max_register = 12 * 128,
};

#define AIC31XX_NUM_SUPPLIES	6
static const char * const aic31xx_supply_names[AIC31XX_NUM_SUPPLIES] = {
	"HPVDD",
	"SPRVDD",
	"SPLVDD",
	"AVDD",
	"IOVDD",
	"DVDD",
};

struct aic31xx_disable_nb {
	struct notifier_block nb;
	struct aic31xx_priv *aic31xx;
};

struct aic31xx_priv {
	struct snd_soc_codec *codec;
	u8 i2c_regs_status;
	struct device *dev;
	struct regmap *regmap;
	struct aic31xx_pdata pdata;
	struct regulator_bulk_data supplies[AIC31XX_NUM_SUPPLIES];
	struct aic31xx_disable_nb disable_nb[AIC31XX_NUM_SUPPLIES];
	unsigned int sysclk;
	int rate_div_line;
};

struct aic31xx_rate_divs {
	u32 mclk;
	u32 rate;
	u8 p_val;
	u8 pll_j;
	u16 pll_d;
	u16 dosr;
	u8 ndac;
	u8 mdac;
	u8 aosr;
	u8 nadc;
	u8 madc;
};

/* ADC dividers can be disabled by cofiguring them to 0 */
static const struct aic31xx_rate_divs aic31xx_divs[] = {
	/* mclk      rate  pll: p  j	 d     dosr ndac mdac  aors nadc madc */
	/* 8k rate */
	{12000000,   8000,	1, 8, 1920,	128,  48,  2,	128,  48,  2},
	{24000000,   8000,	2, 8, 1920,	128,  48,  2,	128,  48,  2},
	{25000000,   8000,	2, 7, 8643,	128,  48,  2,	128,  48,  2},
	/* 11.025k rate */
	{12000000,  11025,	1, 7, 5264,	128,  32,  2,	128,  32,  2},
	{24000000,  11025,	2, 7, 5264,	128,  32,  2,	128,  32,  2},
	{25000000,  11025,	2, 7, 2253,	128,  32,  2,	128,  32,  2},
	/* 16k rate */
	{12000000,  16000,	1, 8, 1920,	128,  24,  2,	128,  24,  2},
	{24000000,  16000,	2, 8, 1920,	128,  24,  2,	128,  24,  2},
	{25000000,  16000,	2, 7, 8643,	128,  24,  2,	128,  24,  2},
	/* 22.05k rate */
	{12000000,  22050,	1, 7, 5264,	128,  16,  2,	128,  16,  2},
	{24000000,  22050,	2, 7, 5264,	128,  16,  2,	128,  16,  2},
	{25000000,  22050,	2, 7, 2253,	128,  16,  2,	128,  16,  2},
	/* 32k rate */
	{12000000,  32000,	1, 8, 1920,	128,  12,  2,	128,  12,  2},
	{24000000,  32000,	2, 8, 1920,	128,  12,  2,	128,  12,  2},
	{25000000,  32000,	2, 7, 8643,	128,  12,  2,	128,  12,  2},
	/* 44.1k rate */
	{12000000,  44100,	1, 7, 5264,	128,   8,  2,	128,   8,  2},
	{24000000,  44100,	2, 7, 5264,	128,   8,  2,	128,   8,  2},
	{25000000,  44100,	2, 7, 2253,	128,   8,  2,	128,   8,  2},
	/* 48k rate */
	{12000000,  48000,	1, 8, 1920,	128,   8,  2,	128,   8,  2},
	{24000000,  48000,	2, 8, 1920,	128,   8,  2,	128,   8,  2},
	{25000000,  48000,	2, 7, 8643,	128,   8,  2,	128,   8,  2},
	/* 88.2k rate */
	{12000000,  88200,	1, 7, 5264,	 64,   8,  2,	 64,   8,  2},
	{24000000,  88200,	2, 7, 5264,	 64,   8,  2,	 64,   8,  2},
	{25000000,  88200,	2, 7, 2253,	 64,   8,  2,	 64,   8,  2},
	/* 96k rate */
	{12000000,  96000,	1, 8, 1920,	 64,   8,  2,	 64,   8,  2},
	{24000000,  96000,	2, 8, 1920,	 64,   8,  2,	 64,   8,  2},
	{25000000,  96000,	2, 7, 8643,	 64,   8,  2,	 64,   8,  2},
	/* 176.4k rate */
	{12000000, 176400,	1, 7, 5264,	 32,   8,  2,	 32,   8,  2},
	{24000000, 176400,	2, 7, 5264,	 32,   8,  2,	 32,   8,  2},
	{25000000, 176400,	2, 7, 2253,	 32,   8,  2,	 32,   8,  2},
	/* 192k rate */
	{12000000, 192000,	1, 8, 1920,	 32,   8,  2,	 32,   8,  2},
	{24000000, 192000,	2, 8, 1920,	 32,   8,  2,	 32,   8,  2},
	{25000000, 192000,	2, 7, 8643,	 32,   8,  2,	 32,   8,  2},
};

static const char * const ldac_in_text[] = {
	"Off", "Left Data", "Right Data", "Mono"
};

static const char * const rdac_in_text[] = {
	"Off", "Right Data", "Left Data", "Mono"
};

static SOC_ENUM_SINGLE_DECL(ldac_in_enum, AIC31XX_DACSETUP, 4, ldac_in_text);

static SOC_ENUM_SINGLE_DECL(rdac_in_enum, AIC31XX_DACSETUP, 2, rdac_in_text);

static const char * const mic_select_text[] = {
	"Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm"
};

static const
SOC_ENUM_SINGLE_DECL(mic1lp_p_enum, AIC31XX_MICPGAPI, 6, mic_select_text);
static const
SOC_ENUM_SINGLE_DECL(mic1rp_p_enum, AIC31XX_MICPGAPI, 4, mic_select_text);
static const
SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2, mic_select_text);

static const
SOC_ENUM_SINGLE_DECL(cm_m_enum, AIC31XX_MICPGAMI, 6, mic_select_text);
static const
SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4, mic_select_text);

static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0);
static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0);
static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0);
static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0);
static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0);
static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0);
static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0);

/*
 * controls to be exported to the user space
 */
static const struct snd_kcontrol_new aic31xx_snd_controls[] = {
	SOC_DOUBLE_R_S_TLV("DAC Playback Volume", AIC31XX_LDACVOL,
			   AIC31XX_RDACVOL, 0, -127, 48, 7, 0, dac_vol_tlv),

	SOC_SINGLE_TLV("ADC Fine Capture Volume", AIC31XX_ADCFGA, 4, 4, 1,
		       adc_fgain_tlv),

	SOC_SINGLE("ADC Capture Switch", AIC31XX_ADCFGA, 7, 1, 1),
	SOC_DOUBLE_R_S_TLV("ADC Capture Volume", AIC31XX_ADCVOL, AIC31XX_ADCVOL,
			   0, -24, 40, 6, 0, adc_cgain_tlv),

	SOC_SINGLE_TLV("Mic PGA Capture Volume", AIC31XX_MICPGA, 0,
		       119, 0, mic_pga_tlv),

	SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN,
		     AIC31XX_HPRGAIN, 2, 1, 0),
	SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN,
			 AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv),

	SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL,
			 AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv),
};

static const struct snd_kcontrol_new aic311x_snd_controls[] = {
	SOC_DOUBLE_R("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
		     AIC31XX_SPRGAIN, 2, 1, 0),
	SOC_DOUBLE_R_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
			 AIC31XX_SPRGAIN, 3, 3, 0, class_D_drv_tlv),

	SOC_DOUBLE_R_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
			 AIC31XX_RANALOGSPR, 0, 0x7F, 1, sp_vol_tlv),
};

static const struct snd_kcontrol_new aic310x_snd_controls[] = {
	SOC_SINGLE("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
		   2, 1, 0),
	SOC_SINGLE_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
		       3, 3, 0, class_D_drv_tlv),

	SOC_SINGLE_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
		       0, 0x7F, 1, sp_vol_tlv),
};

static const struct snd_kcontrol_new ldac_in_control =
	SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum);

static const struct snd_kcontrol_new rdac_in_control =
	SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum);

int aic31xx_wait_bits(struct aic31xx_priv *aic31xx, unsigned int reg,
		      unsigned int mask, unsigned int wbits, int sleep,
		      int count)
{
	unsigned int bits;
	int counter = count;
	int ret = regmap_read(aic31xx->regmap, reg, &bits);
	while ((bits & mask) != wbits && counter && !ret) {
		usleep_range(sleep, sleep * 2);
		ret = regmap_read(aic31xx->regmap, reg, &bits);
		counter--;
	}
	if ((bits & mask) != wbits) {
		dev_err(aic31xx->dev,
			"%s: Failed! 0x%x was 0x%x expected 0x%x (%d, 0x%x, %d us)\n",
			__func__, reg, bits, wbits, ret, mask,
			(count - counter) * sleep);
		ret = -1;
	}
	return ret;
}

#define WIDGET_BIT(reg, shift) (((shift) << 8) | (reg))

static int aic31xx_dapm_power_event(struct snd_soc_dapm_widget *w,
				    struct snd_kcontrol *kcontrol, int event)
{
	struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(w->codec);
	unsigned int reg = AIC31XX_DACFLAG1;
	unsigned int mask;

	switch (WIDGET_BIT(w->reg, w->shift)) {
	case WIDGET_BIT(AIC31XX_DACSETUP, 7):
		mask = AIC31XX_LDACPWRSTATUS_MASK;
		break;
	case WIDGET_BIT(AIC31XX_DACSETUP, 6):
		mask = AIC31XX_RDACPWRSTATUS_MASK;
		break;
	case WIDGET_BIT(AIC31XX_HPDRIVER, 7):
		mask = AIC31XX_HPLDRVPWRSTATUS_MASK;
		break;
	case WIDGET_BIT(AIC31XX_HPDRIVER, 6):
		mask = AIC31XX_HPRDRVPWRSTATUS_MASK;
		break;
	case WIDGET_BIT(AIC31XX_SPKAMP, 7):
		mask = AIC31XX_SPLDRVPWRSTATUS_MASK;
		break;
	case WIDGET_BIT(AIC31XX_SPKAMP, 6):
		mask = AIC31XX_SPRDRVPWRSTATUS_MASK;
		break;
	case WIDGET_BIT(AIC31XX_ADCSETUP, 7):
		mask = AIC31XX_ADCPWRSTATUS_MASK;
		reg = AIC31XX_ADCFLAG;
		break;
	default:
		dev_err(w->codec->dev, "Unknown widget '%s' calling %s/n",
			w->name, __func__);
		return -EINVAL;
	}

	switch (event) {
	case SND_SOC_DAPM_POST_PMU:
		return aic31xx_wait_bits(aic31xx, reg, mask, mask, 5000, 100);
	case SND_SOC_DAPM_POST_PMD:
		return aic31xx_wait_bits(aic31xx, reg, mask, 0, 5000, 100);
	default:
		dev_dbg(w->codec->dev,
			"Unhandled dapm widget event %d from %s\n",
			event, w->name);
	}
	return 0;
}

static const struct snd_kcontrol_new left_output_switches[] = {
	SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
	SOC_DAPM_SINGLE("From MIC1LP", AIC31XX_DACMIXERROUTE, 5, 1, 0),
	SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 4, 1, 0),
};

static const struct snd_kcontrol_new right_output_switches[] = {
	SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
	SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 1, 1, 0),
};

static const struct snd_kcontrol_new p_term_mic1lp =
	SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum);

static const struct snd_kcontrol_new p_term_mic1rp =
	SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum);

static const struct snd_kcontrol_new p_term_mic1lm =
	SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum);

static const struct snd_kcontrol_new m_term_mic1lm =
	SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum);

static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch =
	SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0);

static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch =
	SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0);

static const struct snd_kcontrol_new aic31xx_dapm_spl_switch =
	SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0);

static const struct snd_kcontrol_new aic31xx_dapm_spr_switch =
	SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0);

static int mic_bias_event(struct snd_soc_dapm_widget *w,
			  struct snd_kcontrol *kcontrol, int event)
{
	struct snd_soc_codec *codec = w->codec;
	struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
	switch (event) {
	case SND_SOC_DAPM_POST_PMU:
		/* change mic bias voltage to user defined */
		snd_soc_update_bits(codec, AIC31XX_MICBIAS,
				    AIC31XX_MICBIAS_MASK,
				    aic31xx->pdata.micbias_vg <<
				    AIC31XX_MICBIAS_SHIFT);
		dev_dbg(codec->dev, "%s: turned on\n", __func__);
		break;
	case SND_SOC_DAPM_PRE_PMD:
		/* turn mic bias off */
		snd_soc_update_bits(codec, AIC31XX_MICBIAS,
				    AIC31XX_MICBIAS_MASK, 0);
		dev_dbg(codec->dev, "%s: turned off\n", __func__);
		break;
	}
	return 0;
}

static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
	SND_SOC_DAPM_AIF_IN("DAC IN", "DAC Playback", 0, SND_SOC_NOPM, 0, 0),

	SND_SOC_DAPM_MUX("DAC Left Input",
			 SND_SOC_NOPM, 0, 0, &ldac_in_control),
	SND_SOC_DAPM_MUX("DAC Right Input",
			 SND_SOC_NOPM, 0, 0, &rdac_in_control),
	/* DACs */
	SND_SOC_DAPM_DAC_E("DAC Left", "Left Playback",
			   AIC31XX_DACSETUP, 7, 0, aic31xx_dapm_power_event,
			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),

	SND_SOC_DAPM_DAC_E("DAC Right", "Right Playback",
			   AIC31XX_DACSETUP, 6, 0, aic31xx_dapm_power_event,
			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),

	/* Output Mixers */
	SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
			   left_output_switches,
			   ARRAY_SIZE(left_output_switches)),
	SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
			   right_output_switches,
			   ARRAY_SIZE(right_output_switches)),

	SND_SOC_DAPM_SWITCH("HP Left", SND_SOC_NOPM, 0, 0,
			    &aic31xx_dapm_hpl_switch),
	SND_SOC_DAPM_SWITCH("HP Right", SND_SOC_NOPM, 0, 0,
			    &aic31xx_dapm_hpr_switch),

	/* Output drivers */
	SND_SOC_DAPM_OUT_DRV_E("HPL Driver", AIC31XX_HPDRIVER, 7, 0,
			       NULL, 0, aic31xx_dapm_power_event,
			       SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
	SND_SOC_DAPM_OUT_DRV_E("HPR Driver", AIC31XX_HPDRIVER, 6, 0,
			       NULL, 0, aic31xx_dapm_power_event,
			       SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),

	/* ADC */
	SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0,
			   aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
			   SND_SOC_DAPM_POST_PMD),

	/* Input Selection to MIC_PGA */
	SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0,
			 &p_term_mic1lp),
	SND_SOC_DAPM_MUX("MIC1RP P-Terminal", SND_SOC_NOPM, 0, 0,
			 &p_term_mic1rp),
	SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0,
			 &p_term_mic1lm),

	SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0,
			 &m_term_mic1lm),
	/* Enabling & Disabling MIC Gain Ctl */
	SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA,
			 7, 1, NULL, 0),

	/* Mic Bias */
	SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event,
			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),

	/* Outputs */
	SND_SOC_DAPM_OUTPUT("HPL"),
	SND_SOC_DAPM_OUTPUT("HPR"),

	/* Inputs */
	SND_SOC_DAPM_INPUT("MIC1LP"),
	SND_SOC_DAPM_INPUT("MIC1RP"),
	SND_SOC_DAPM_INPUT("MIC1LM"),
};

static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = {
	/* AIC3111 and AIC3110 have stereo class-D amplifier */
	SND_SOC_DAPM_OUT_DRV_E("SPL ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
			       SND_SOC_DAPM_POST_PMD),
	SND_SOC_DAPM_OUT_DRV_E("SPR ClassD", AIC31XX_SPKAMP, 6, 0, NULL, 0,
			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
			       SND_SOC_DAPM_POST_PMD),
	SND_SOC_DAPM_SWITCH("Speaker Left", SND_SOC_NOPM, 0, 0,
			    &aic31xx_dapm_spl_switch),
	SND_SOC_DAPM_SWITCH("Speaker Right", SND_SOC_NOPM, 0, 0,
			    &aic31xx_dapm_spr_switch),
	SND_SOC_DAPM_OUTPUT("SPL"),
	SND_SOC_DAPM_OUTPUT("SPR"),
};

/* AIC3100 and AIC3120 have only mono class-D amplifier */
static const struct snd_soc_dapm_widget aic310x_dapm_widgets[] = {
	SND_SOC_DAPM_OUT_DRV_E("SPK ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
			       aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
			       SND_SOC_DAPM_POST_PMD),
	SND_SOC_DAPM_SWITCH("Speaker", SND_SOC_NOPM, 0, 0,
			    &aic31xx_dapm_spl_switch),
	SND_SOC_DAPM_OUTPUT("SPK"),
};

static const struct snd_soc_dapm_route
aic31xx_audio_map[] = {
	/* DAC Input Routing */
	{"DAC Left Input", "Left Data", "DAC IN"},
	{"DAC Left Input", "Right Data", "DAC IN"},
	{"DAC Left Input", "Mono", "DAC IN"},
	{"DAC Right Input", "Left Data", "DAC IN"},
	{"DAC Right Input", "Right Data", "DAC IN"},
	{"DAC Right Input", "Mono", "DAC IN"},
	{"DAC Left", NULL, "DAC Left Input"},
	{"DAC Right", NULL, "DAC Right Input"},

	/* Mic input */
	{"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"},
	{"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"},
	{"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"},
	{"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"},
	{"MIC1RP P-Terminal", "FFR 20 Ohm", "MIC1RP"},
	{"MIC1RP P-Terminal", "FFR 40 Ohm", "MIC1RP"},
	{"MIC1LM P-Terminal", "FFR 10 Ohm", "MIC1LM"},
	{"MIC1LM P-Terminal", "FFR 20 Ohm", "MIC1LM"},
	{"MIC1LM P-Terminal", "FFR 40 Ohm", "MIC1LM"},

	{"MIC1LM M-Terminal", "FFR 10 Ohm", "MIC1LM"},
	{"MIC1LM M-Terminal", "FFR 20 Ohm", "MIC1LM"},
	{"MIC1LM M-Terminal", "FFR 40 Ohm", "MIC1LM"},

	{"MIC_GAIN_CTL", NULL, "MIC1LP P-Terminal"},
	{"MIC_GAIN_CTL", NULL, "MIC1RP P-Terminal"},
	{"MIC_GAIN_CTL", NULL, "MIC1LM P-Terminal"},
	{"MIC_GAIN_CTL", NULL, "MIC1LM M-Terminal"},

	{"ADC", NULL, "MIC_GAIN_CTL"},

	/* Left Output */
	{"Output Left", "From Left DAC", "DAC Left"},
	{"Output Left", "From MIC1LP", "MIC1LP"},
	{"Output Left", "From MIC1RP", "MIC1RP"},

	/* Right Output */
	{"Output Right", "From Right DAC", "DAC Right"},
	{"Output Right", "From MIC1RP", "MIC1RP"},

	/* HPL path */
	{"HP Left", "Switch", "Output Left"},
	{"HPL Driver", NULL, "HP Left"},
	{"HPL", NULL, "HPL Driver"},

	/* HPR path */
	{"HP Right", "Switch", "Output Right"},
	{"HPR Driver", NULL, "HP Right"},
	{"HPR", NULL, "HPR Driver"},
};

static const struct snd_soc_dapm_route
aic311x_audio_map[] = {
	/* SP L path */
	{"Speaker Left", "Switch", "Output Left"},
	{"SPL ClassD", NULL, "Speaker Left"},
	{"SPL", NULL, "SPL ClassD"},

	/* SP R path */
	{"Speaker Right", "Switch", "Output Right"},
	{"SPR ClassD", NULL, "Speaker Right"},
	{"SPR", NULL, "SPR ClassD"},
};

static const struct snd_soc_dapm_route
aic310x_audio_map[] = {
	/* SP L path */
	{"Speaker", "Switch", "Output Left"},
	{"SPK ClassD", NULL, "Speaker"},
	{"SPK", NULL, "SPK ClassD"},
};

static int aic31xx_add_controls(struct snd_soc_codec *codec)
{
	int ret = 0;
	struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);

	if (aic31xx->pdata.codec_type & AIC31XX_STEREO_CLASS_D_BIT)
		ret = snd_soc_add_codec_controls(
			codec, aic311x_snd_controls,
			ARRAY_SIZE(aic311x_snd_controls));
	else
		ret = snd_soc_add_codec_controls(
			codec, aic310x_snd_controls,
			ARRAY_SIZE(aic310x_snd_controls));

	return ret;
}

static int aic31xx_add_widgets(struct snd_soc_codec *codec)
{
	struct snd_soc_dapm_context *dapm = &codec->dapm;
	struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
	int ret = 0;

	if (aic31xx->pdata.codec_type & AIC31XX_STEREO_CLASS_D_BIT) {
		ret = snd_soc_dapm_new_controls(
			dapm, aic311x_dapm_widgets,
			ARRAY_SIZE(aic311x_dapm_widgets));
		if (ret)
			return ret;

		ret = snd_soc_dapm_add_routes(dapm, aic311x_audio_map,
					      ARRAY_SIZE(aic311x_audio_map));
		if (ret)
			return ret;
	} else {
		ret = snd_soc_dapm_new_controls(
			dapm, aic310x_dapm_widgets,
			ARRAY_SIZE(aic310x_dapm_widgets));
		if (ret)
			return ret;

		ret = snd_soc_dapm_add_routes(dapm, aic310x_audio_map,
					      ARRAY_SIZE(aic310x_audio_map));
		if (ret)
			return ret;
	}

	return 0;
}

static int aic31xx_setup_pll(struct snd_soc_codec *codec,
			     struct snd_pcm_hw_params *params)
{
	struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
	int bclk_n = 0;
	int i;

	/* Use PLL as CODEC_CLKIN and DAC_CLK as BDIV_CLKIN */
	snd_soc_update_bits(codec, AIC31XX_CLKMUX,
			    AIC31XX_CODEC_CLKIN_MASK, AIC31XX_CODEC_CLKIN_PLL);
	snd_soc_update_bits(codec, AIC31XX_IFACE2,
			    AIC31XX_BDIVCLK_MASK, AIC31XX_DAC2BCLK);

	for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) {
		if (aic31xx_divs[i].rate == params_rate(params) &&
		    aic31xx_divs[i].mclk == aic31xx->sysclk)
			break;
	}

	if (i == ARRAY_SIZE(aic31xx_divs)) {
		dev_err(codec->dev, "%s: Sampling rate %u not supported\n",
			__func__, params_rate(params));
		return -EINVAL;
	}

	/* PLL configuration */
	snd_soc_update_bits(codec, AIC31XX_PLLPR, AIC31XX_PLL_MASK,
			    (aic31xx_divs[i].p_val << 4) | 0x01);
	snd_soc_write(codec, AIC31XX_PLLJ, aic31xx_divs[i].pll_j);

	snd_soc_write(codec, AIC31XX_PLLDMSB,
		      aic31xx_divs[i].pll_d >> 8);
	snd_soc_write(codec, AIC31XX_PLLDLSB,
		      aic31xx_divs[i].pll_d & 0xff);

	/* DAC dividers configuration */
	snd_soc_update_bits(codec, AIC31XX_NDAC, AIC31XX_PLL_MASK,
			    aic31xx_divs[i].ndac);
	snd_soc_update_bits(codec, AIC31XX_MDAC, AIC31XX_PLL_MASK,
			    aic31xx_divs[i].mdac);

	snd_soc_write(codec, AIC31XX_DOSRMSB, aic31xx_divs[i].dosr >> 8);
	snd_soc_write(codec, AIC31XX_DOSRLSB, aic31xx_divs[i].dosr & 0xff);

	/* ADC dividers configuration. Write reset value 1 if not used. */
	snd_soc_update_bits(codec, AIC31XX_NADC, AIC31XX_PLL_MASK,
			    aic31xx_divs[i].nadc ? aic31xx_divs[i].nadc : 1);
	snd_soc_update_bits(codec, AIC31XX_MADC, AIC31XX_PLL_MASK,
			    aic31xx_divs[i].madc ? aic31xx_divs[i].madc : 1);

	snd_soc_write(codec, AIC31XX_AOSR, aic31xx_divs[i].aosr);

	/* Bit clock divider configuration. */
	bclk_n = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac)
		/ snd_soc_params_to_frame_size(params);
	if (bclk_n == 0) {
		dev_err(codec->dev, "%s: Not enough BLCK bandwidth\n",
			__func__);
		return -EINVAL;
	}

	snd_soc_update_bits(codec, AIC31XX_BCLKN,
			    AIC31XX_PLL_MASK, bclk_n);

	aic31xx->rate_div_line = i;

	dev_dbg(codec->dev,
		"pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n",
		aic31xx_divs[i].pll_j, aic31xx_divs[i].pll_d,
		aic31xx_divs[i].p_val, aic31xx_divs[i].dosr,
		aic31xx_divs[i].ndac, aic31xx_divs[i].mdac,
		aic31xx_divs[i].aosr, aic31xx_divs[i].nadc,
		aic31xx_divs[i].madc, bclk_n);

	return 0;
}

static int aic31xx_hw_params(struct snd_pcm_substream *substream,
			     struct snd_pcm_hw_params *params,
			     struct snd_soc_dai *tmp)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_codec *codec = rtd->codec;
	u8 data = 0;

	dev_dbg(codec->dev, "## %s: format %d width %d rate %d\n",
		__func__, params_format(params), params_width(params),
		params_rate(params));

	switch (params_width(params)) {
	case 16:
		break;
	case 20:
		data = (AIC31XX_WORD_LEN_20BITS <<
			AIC31XX_IFACE1_DATALEN_SHIFT);
		break;
	case 24:
		data = (AIC31XX_WORD_LEN_24BITS <<
			AIC31XX_IFACE1_DATALEN_SHIFT);
		break;
	case 32:
		data = (AIC31XX_WORD_LEN_32BITS <<
			AIC31XX_IFACE1_DATALEN_SHIFT);
		break;
	default:
		dev_err(codec->dev, "%s: Unsupported format %d\n",
			__func__, params_format(params));
		return -EINVAL;
	}

	snd_soc_update_bits(codec, AIC31XX_IFACE1,
			    AIC31XX_IFACE1_DATALEN_MASK,
			    data);

	return aic31xx_setup_pll(codec, params);
}

static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute)
{
	struct snd_soc_codec *codec = codec_dai->codec;

	if (mute) {
		snd_soc_update_bits(codec, AIC31XX_DACMUTE,
				    AIC31XX_DACMUTE_MASK,
				    AIC31XX_DACMUTE_MASK);
	} else {
		snd_soc_update_bits(codec, AIC31XX_DACMUTE,
				    AIC31XX_DACMUTE_MASK, 0x0);
	}

	return 0;
}

static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
			       unsigned int fmt)
{
	struct snd_soc_codec *codec = codec_dai->codec;
	u8 iface_reg1 = 0;
	u8 iface_reg3 = 0;
	u8 dsp_a_val = 0;

	dev_dbg(codec->dev, "## %s: fmt = 0x%x\n", __func__, fmt);

	/* set master/slave audio interface */
	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
	case SND_SOC_DAIFMT_CBM_CFM:
		iface_reg1 |= AIC31XX_BCLK_MASTER | AIC31XX_WCLK_MASTER;
		break;
	default:
		dev_alert(codec->dev, "Invalid DAI master/slave interface\n");
		return -EINVAL;
	}

	/* interface format */
	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
	case SND_SOC_DAIFMT_I2S:
		break;
	case SND_SOC_DAIFMT_DSP_A:
		dsp_a_val = 0x1;
	case SND_SOC_DAIFMT_DSP_B:
		/* NOTE: BCLKINV bit value 1 equas NB and 0 equals IB */
		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
		case SND_SOC_DAIFMT_NB_NF:
			iface_reg3 |= AIC31XX_BCLKINV_MASK;
			break;
		case SND_SOC_DAIFMT_IB_NF:
			break;
		default:
			return -EINVAL;
		}
		iface_reg1 |= (AIC31XX_DSP_MODE <<
			       AIC31XX_IFACE1_DATATYPE_SHIFT);
		break;
	case SND_SOC_DAIFMT_RIGHT_J:
		iface_reg1 |= (AIC31XX_RIGHT_JUSTIFIED_MODE <<
			       AIC31XX_IFACE1_DATATYPE_SHIFT);
		break;
	case SND_SOC_DAIFMT_LEFT_J:
		iface_reg1 |= (AIC31XX_LEFT_JUSTIFIED_MODE <<
			       AIC31XX_IFACE1_DATATYPE_SHIFT);
		break;
	default:
		dev_err(codec->dev, "Invalid DAI interface format\n");
		return -EINVAL;
	}

	snd_soc_update_bits(codec, AIC31XX_IFACE1,
			    AIC31XX_IFACE1_DATATYPE_MASK |
			    AIC31XX_IFACE1_MASTER_MASK,
			    iface_reg1);
	snd_soc_update_bits(codec, AIC31XX_DATA_OFFSET,
			    AIC31XX_DATA_OFFSET_MASK,
			    dsp_a_val);
	snd_soc_update_bits(codec, AIC31XX_IFACE2,
			    AIC31XX_BCLKINV_MASK,
			    iface_reg3);

	return 0;
}

static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai,
				  int clk_id, unsigned int freq, int dir)
{
	struct snd_soc_codec *codec = codec_dai->codec;
	struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
	int i;

	dev_dbg(codec->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n",
		__func__, clk_id, freq, dir);

	for (i = 0; aic31xx_divs[i].mclk != freq; i++) {
		if (i == ARRAY_SIZE(aic31xx_divs)) {
			dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",
				__func__, freq);
			return -EINVAL;
		}
	}

	/* set clock on MCLK, BCLK, or GPIO1 as PLL input */
	snd_soc_update_bits(codec, AIC31XX_CLKMUX, AIC31XX_PLL_CLKIN_MASK,
			    clk_id << AIC31XX_PLL_CLKIN_SHIFT);

	aic31xx->sysclk = freq;
	return 0;
}

static int aic31xx_regulator_event(struct notifier_block *nb,
				   unsigned long event, void *data)
{
	struct aic31xx_disable_nb *disable_nb =
		container_of(nb, struct aic31xx_disable_nb, nb);
	struct aic31xx_priv *aic31xx = disable_nb->aic31xx;

	if (event & REGULATOR_EVENT_DISABLE) {
		/*
		 * Put codec to reset and as at least one of the
		 * supplies was disabled.
		 */
		if (gpio_is_valid(aic31xx->pdata.gpio_reset))
			gpio_set_value(aic31xx->pdata.gpio_reset, 0);

		regcache_mark_dirty(aic31xx->regmap);
		dev_dbg(aic31xx->dev, "## %s: DISABLE received\n", __func__);
	}

	return 0;
}

static void aic31xx_clk_on(struct snd_soc_codec *codec)
{
	struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
	u8 mask = AIC31XX_PM_MASK;
	u8 on = AIC31XX_PM_MASK;

	dev_dbg(codec->dev, "codec clock -> on (rate %d)\n",
		aic31xx_divs[aic31xx->rate_div_line].rate);
	snd_soc_update_bits(codec, AIC31XX_PLLPR, mask, on);
	mdelay(10);
	snd_soc_update_bits(codec, AIC31XX_NDAC, mask, on);
	snd_soc_update_bits(codec, AIC31XX_MDAC, mask, on);
	if (aic31xx_divs[aic31xx->rate_div_line].nadc)
		snd_soc_update_bits(codec, AIC31XX_NADC, mask, on);
	if (aic31xx_divs[aic31xx->rate_div_line].madc)
		snd_soc_update_bits(codec, AIC31XX_MADC, mask, on);
	snd_soc_update_bits(codec, AIC31XX_BCLKN, mask, on);
}

static void aic31xx_clk_off(struct snd_soc_codec *codec)
{
	struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
	u8 mask = AIC31XX_PM_MASK;
	u8 off = 0;

	dev_dbg(codec->dev, "codec clock -> off\n");
	snd_soc_update_bits(codec, AIC31XX_BCLKN, mask, off);
	snd_soc_update_bits(codec, AIC31XX_MADC, mask, off);
	snd_soc_update_bits(codec, AIC31XX_NADC, mask, off);
	snd_soc_update_bits(codec, AIC31XX_MDAC, mask, off);
	snd_soc_update_bits(codec, AIC31XX_NDAC, mask, off);
	snd_soc_update_bits(codec, AIC31XX_PLLPR, mask, off);
}

static int aic31xx_power_on(struct snd_soc_codec *codec)
{
	struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
	int ret = 0;

	ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies),
				    aic31xx->supplies);
	if (ret)
		return ret;

	if (gpio_is_valid(aic31xx->pdata.gpio_reset)) {
		gpio_set_value(aic31xx->pdata.gpio_reset, 1);
		udelay(100);
	}
	regcache_cache_only(aic31xx->regmap, false);
	ret = regcache_sync(aic31xx->regmap);
	if (ret != 0) {
		dev_err(codec->dev,
			"Failed to restore cache: %d\n", ret);
		regcache_cache_only(aic31xx->regmap, true);
		regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
				       aic31xx->supplies);
		return ret;
	}
	return 0;
}

static int aic31xx_power_off(struct snd_soc_codec *codec)
{
	struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
	int ret = 0;

	regcache_cache_only(aic31xx->regmap, true);
	ret = regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
				     aic31xx->supplies);

	return ret;
}

static int aic31xx_set_bias_level(struct snd_soc_codec *codec,
				  enum snd_soc_bias_level level)
{
	dev_dbg(codec->dev, "## %s: %d -> %d\n", __func__,
		codec->dapm.bias_level, level);

	switch (level) {
	case SND_SOC_BIAS_ON:
		break;
	case SND_SOC_BIAS_PREPARE:
		if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY)
			aic31xx_clk_on(codec);
		break;
	case SND_SOC_BIAS_STANDBY:
		switch (codec->dapm.bias_level) {
		case SND_SOC_BIAS_OFF:
			aic31xx_power_on(codec);
			break;
		case SND_SOC_BIAS_PREPARE:
			aic31xx_clk_off(codec);
			break;
		default:
			BUG();
		}
		break;
	case SND_SOC_BIAS_OFF:
		aic31xx_power_off(codec);
		break;
	}
	codec->dapm.bias_level = level;

	return 0;
}

static int aic31xx_suspend(struct snd_soc_codec *codec)
{
	aic31xx_set_bias_level(codec, SND_SOC_BIAS_OFF);
	return 0;
}

static int aic31xx_resume(struct snd_soc_codec *codec)
{
	aic31xx_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
	return 0;
}

static int aic31xx_codec_probe(struct snd_soc_codec *codec)
{
	int ret = 0;
	struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
	int i;

	dev_dbg(aic31xx->dev, "## %s\n", __func__);

	aic31xx = snd_soc_codec_get_drvdata(codec);
	codec->control_data = aic31xx->regmap;

	aic31xx->codec = codec;

	ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);

	if (ret != 0) {
		dev_err(codec->dev, "snd_soc_codec_set_cache_io failed %d\n",
			ret);
		return ret;
	}

	for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) {
		aic31xx->disable_nb[i].nb.notifier_call =
			aic31xx_regulator_event;
		aic31xx->disable_nb[i].aic31xx = aic31xx;
		ret = regulator_register_notifier(aic31xx->supplies[i].consumer,
						  &aic31xx->disable_nb[i].nb);
		if (ret) {
			dev_err(codec->dev,
				"Failed to request regulator notifier: %d\n",
				ret);
			return ret;
		}
	}

	regcache_cache_only(aic31xx->regmap, true);
	regcache_mark_dirty(aic31xx->regmap);

	ret = aic31xx_add_controls(codec);
	if (ret)
		return ret;

	ret = aic31xx_add_widgets(codec);

	return ret;
}

static int aic31xx_codec_remove(struct snd_soc_codec *codec)
{
	struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
	int i;
	/* power down chip */
	aic31xx_set_bias_level(codec, SND_SOC_BIAS_OFF);

	for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
		regulator_unregister_notifier(aic31xx->supplies[i].consumer,
					      &aic31xx->disable_nb[i].nb);

	return 0;
}

static struct snd_soc_codec_driver soc_codec_driver_aic31xx = {
	.probe			= aic31xx_codec_probe,
	.remove			= aic31xx_codec_remove,
	.suspend		= aic31xx_suspend,
	.resume			= aic31xx_resume,
	.set_bias_level		= aic31xx_set_bias_level,
	.controls		= aic31xx_snd_controls,
	.num_controls		= ARRAY_SIZE(aic31xx_snd_controls),
	.dapm_widgets		= aic31xx_dapm_widgets,
	.num_dapm_widgets	= ARRAY_SIZE(aic31xx_dapm_widgets),
	.dapm_routes		= aic31xx_audio_map,
	.num_dapm_routes	= ARRAY_SIZE(aic31xx_audio_map),
};

static struct snd_soc_dai_ops aic31xx_dai_ops = {
	.hw_params	= aic31xx_hw_params,
	.set_sysclk	= aic31xx_set_dai_sysclk,
	.set_fmt	= aic31xx_set_dai_fmt,
	.digital_mute	= aic31xx_dac_mute,
};

static struct snd_soc_dai_driver aic31xx_dai_driver[] = {
	{
		.name = "tlv320aic31xx-hifi",
		.playback = {
			.stream_name	 = "Playback",
			.channels_min	 = 1,
			.channels_max	 = 2,
			.rates		 = AIC31XX_RATES,
			.formats	 = AIC31XX_FORMATS,
		},
		.capture = {
			.stream_name	 = "Capture",
			.channels_min	 = 1,
			.channels_max	 = 2,
			.rates		 = AIC31XX_RATES,
			.formats	 = AIC31XX_FORMATS,
		},
		.ops = &aic31xx_dai_ops,
		.symmetric_rates = 1,
	}
};

#if defined(CONFIG_OF)
static const struct of_device_id tlv320aic31xx_of_match[] = {
	{ .compatible = "ti,tlv320aic310x" },
	{ .compatible = "ti,tlv320aic311x" },
	{ .compatible = "ti,tlv320aic3100" },
	{ .compatible = "ti,tlv320aic3110" },
	{ .compatible = "ti,tlv320aic3120" },
	{ .compatible = "ti,tlv320aic3111" },
	{},
};
MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match);

static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx)
{
	struct device_node *np = aic31xx->dev->of_node;
	unsigned int value = MICBIAS_2_0V;
	int ret;

	of_property_read_u32(np, "ai31xx-micbias-vg", &value);
	switch (value) {
	case MICBIAS_2_0V:
	case MICBIAS_2_5V:
	case MICBIAS_AVDDV:
		aic31xx->pdata.micbias_vg = value;
		break;
	default:
		dev_err(aic31xx->dev,
			"Bad ai31xx-micbias-vg value %d DT\n",
			value);
		aic31xx->pdata.micbias_vg = MICBIAS_2_0V;
	}

	ret = of_get_named_gpio(np, "gpio-reset", 0);
	if (ret > 0)
		aic31xx->pdata.gpio_reset = ret;
}
#else /* CONFIG_OF */
static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx)
{
}
#endif /* CONFIG_OF */

void aic31xx_device_init(struct aic31xx_priv *aic31xx)
{
	int ret, i;

	dev_set_drvdata(aic31xx->dev, aic31xx);

	if (dev_get_platdata(aic31xx->dev))
		memcpy(&aic31xx->pdata, dev_get_platdata(aic31xx->dev),
		       sizeof(aic31xx->pdata));
	else if (aic31xx->dev->of_node)
		aic31xx_pdata_from_of(aic31xx);

	if (aic31xx->pdata.gpio_reset) {
		ret = devm_gpio_request_one(aic31xx->dev,
					    aic31xx->pdata.gpio_reset,
					    GPIOF_OUT_INIT_HIGH,
					    "aic31xx-reset-pin");
		if (ret < 0) {
			dev_err(aic31xx->dev, "not able to acquire gpio\n");
			return;
		}
	}

	for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
		aic31xx->supplies[i].supply = aic31xx_supply_names[i];

	ret = devm_regulator_bulk_get(aic31xx->dev,
				      ARRAY_SIZE(aic31xx->supplies),
				      aic31xx->supplies);
	if (ret != 0)
		dev_err(aic31xx->dev, "Failed to request supplies: %d\n", ret);

}

static int aic31xx_i2c_probe(struct i2c_client *i2c,
			     const struct i2c_device_id *id)
{
	struct aic31xx_priv *aic31xx;
	int ret;
	const struct regmap_config *regmap_config;

	dev_dbg(&i2c->dev, "## %s: %s codec_type = %d\n", __func__,
		id->name, (int) id->driver_data);

	regmap_config = &aic31xx_i2c_regmap;

	aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL);
	if (aic31xx == NULL)
		return -ENOMEM;

	aic31xx->regmap = devm_regmap_init_i2c(i2c, regmap_config);

	if (IS_ERR(aic31xx->regmap)) {
		ret = PTR_ERR(aic31xx->regmap);
		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
			ret);
		return ret;
	}
	aic31xx->dev = &i2c->dev;

	aic31xx->pdata.codec_type = id->driver_data;

	aic31xx_device_init(aic31xx);

	ret = snd_soc_register_codec(&i2c->dev, &soc_codec_driver_aic31xx,
				     aic31xx_dai_driver,
				     ARRAY_SIZE(aic31xx_dai_driver));

	return ret;
}

static int aic31xx_i2c_remove(struct i2c_client *i2c)
{
	struct aic31xx_priv *aic31xx = dev_get_drvdata(&i2c->dev);

	kfree(aic31xx);
	return 0;
}

static const struct i2c_device_id aic31xx_i2c_id[] = {
	{ "tlv320aic310x", AIC3100 },
	{ "tlv320aic311x", AIC3110 },
	{ "tlv320aic3100", AIC3100 },
	{ "tlv320aic3110", AIC3110 },
	{ "tlv320aic3120", AIC3120 },
	{ "tlv320aic3111", AIC3111 },
	{ }
};
MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id);

static struct i2c_driver aic31xx_i2c_driver = {
	.driver = {
		.name	= "tlv320aic31xx-codec",
		.owner	= THIS_MODULE,
		.of_match_table = of_match_ptr(tlv320aic31xx_of_match),
	},
	.probe		= aic31xx_i2c_probe,
	.remove		= (aic31xx_i2c_remove),
	.id_table	= aic31xx_i2c_id,
};

module_i2c_driver(aic31xx_i2c_driver);

MODULE_DESCRIPTION("ASoC TLV320AIC3111 codec driver");
MODULE_AUTHOR("Jyri Sarha");
MODULE_LICENSE("GPL");