summaryrefslogtreecommitdiffstats
path: root/sound/soc/codecs/msm8916-wcd-analog.c
blob: f834a639b3505d8d9c5846fa38f95a366c7087d8 (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
#include <linux/module.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/regulator/consumer.h>
#include <linux/types.h>
#include <linux/clk.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/tlv.h>
#include <sound/jack.h>

#define CDC_D_REVISION1			(0xf000)
#define CDC_D_PERPH_SUBTYPE		(0xf005)
#define CDC_D_INT_EN_SET		(0x015)
#define CDC_D_INT_EN_CLR		(0x016)
#define MBHC_SWITCH_INT			BIT(7)
#define MBHC_MIC_ELECTRICAL_INS_REM_DET	BIT(6)
#define MBHC_BUTTON_PRESS_DET		BIT(5)
#define MBHC_BUTTON_RELEASE_DET		BIT(4)
#define CDC_D_CDC_RST_CTL		(0xf046)
#define RST_CTL_DIG_SW_RST_N_MASK	BIT(7)
#define RST_CTL_DIG_SW_RST_N_RESET	0
#define RST_CTL_DIG_SW_RST_N_REMOVE_RESET BIT(7)

#define CDC_D_CDC_TOP_CLK_CTL		(0xf048)
#define TOP_CLK_CTL_A_MCLK_MCLK2_EN_MASK (BIT(2) | BIT(3))
#define TOP_CLK_CTL_A_MCLK_EN_ENABLE	 BIT(2)
#define TOP_CLK_CTL_A_MCLK2_EN_ENABLE	BIT(3)

#define CDC_D_CDC_ANA_CLK_CTL		(0xf049)
#define ANA_CLK_CTL_EAR_HPHR_CLK_EN_MASK BIT(0)
#define ANA_CLK_CTL_EAR_HPHR_CLK_EN	BIT(0)
#define ANA_CLK_CTL_EAR_HPHL_CLK_EN	BIT(1)
#define ANA_CLK_CTL_SPKR_CLK_EN_MASK	BIT(4)
#define ANA_CLK_CTL_SPKR_CLK_EN	BIT(4)
#define ANA_CLK_CTL_TXA_CLK25_EN	BIT(5)

#define CDC_D_CDC_DIG_CLK_CTL		(0xf04A)
#define DIG_CLK_CTL_RXD1_CLK_EN		BIT(0)
#define DIG_CLK_CTL_RXD2_CLK_EN		BIT(1)
#define DIG_CLK_CTL_RXD3_CLK_EN		BIT(2)
#define DIG_CLK_CTL_D_MBHC_CLK_EN_MASK	BIT(3)
#define DIG_CLK_CTL_D_MBHC_CLK_EN	BIT(3)
#define DIG_CLK_CTL_TXD_CLK_EN		BIT(4)
#define DIG_CLK_CTL_NCP_CLK_EN_MASK	BIT(6)
#define DIG_CLK_CTL_NCP_CLK_EN		BIT(6)
#define DIG_CLK_CTL_RXD_PDM_CLK_EN_MASK	BIT(7)
#define DIG_CLK_CTL_RXD_PDM_CLK_EN	BIT(7)

#define CDC_D_CDC_CONN_TX1_CTL		(0xf050)
#define CONN_TX1_SERIAL_TX1_MUX		GENMASK(1, 0)
#define CONN_TX1_SERIAL_TX1_ADC_1	0x0
#define CONN_TX1_SERIAL_TX1_RX_PDM_LB	0x1
#define CONN_TX1_SERIAL_TX1_ZERO	0x2

#define CDC_D_CDC_CONN_TX2_CTL		(0xf051)
#define CONN_TX2_SERIAL_TX2_MUX		GENMASK(1, 0)
#define CONN_TX2_SERIAL_TX2_ADC_2	0x0
#define CONN_TX2_SERIAL_TX2_RX_PDM_LB	0x1
#define CONN_TX2_SERIAL_TX2_ZERO	0x2
#define CDC_D_CDC_CONN_HPHR_DAC_CTL	(0xf052)
#define CDC_D_CDC_CONN_RX1_CTL		(0xf053)
#define CDC_D_CDC_CONN_RX2_CTL		(0xf054)
#define CDC_D_CDC_CONN_RX3_CTL		(0xf055)
#define CDC_D_CDC_CONN_RX_LB_CTL	(0xf056)
#define CDC_D_SEC_ACCESS		(0xf0D0)
#define CDC_D_PERPH_RESET_CTL3		(0xf0DA)
#define CDC_D_PERPH_RESET_CTL4		(0xf0DB)
#define CDC_A_REVISION1			(0xf100)
#define CDC_A_REVISION2			(0xf101)
#define CDC_A_REVISION3			(0xf102)
#define CDC_A_REVISION4			(0xf103)
#define CDC_A_PERPH_TYPE		(0xf104)
#define CDC_A_PERPH_SUBTYPE		(0xf105)
#define CDC_A_INT_RT_STS		(0xf110)
#define CDC_A_INT_SET_TYPE		(0xf111)
#define CDC_A_INT_POLARITY_HIGH		(0xf112)
#define CDC_A_INT_POLARITY_LOW		(0xf113)
#define CDC_A_INT_LATCHED_CLR		(0xf114)
#define CDC_A_INT_EN_SET		(0xf115)
#define CDC_A_INT_EN_CLR		(0xf116)
#define CDC_A_INT_LATCHED_STS		(0xf118)
#define CDC_A_INT_PENDING_STS		(0xf119)
#define CDC_A_INT_MID_SEL		(0xf11A)
#define CDC_A_INT_PRIORITY		(0xf11B)
#define CDC_A_MICB_1_EN			(0xf140)
#define MICB_1_EN_MICB_ENABLE		BIT(7)
#define MICB_1_EN_BYP_CAP_MASK		BIT(6)
#define MICB_1_EN_NO_EXT_BYP_CAP	BIT(6)
#define MICB_1_EN_EXT_BYP_CAP		0
#define MICB_1_EN_PULL_DOWN_EN_MASK	BIT(5)
#define MICB_1_EN_PULL_DOWN_EN_ENABLE	BIT(5)
#define MICB_1_EN_OPA_STG2_TAIL_CURR_MASK GENMASK(3, 1)
#define MICB_1_EN_OPA_STG2_TAIL_CURR_1_60UA	(0x4)
#define MICB_1_EN_PULL_UP_EN_MASK	BIT(4)
#define MICB_1_EN_TX3_GND_SEL_MASK	BIT(0)
#define MICB_1_EN_TX3_GND_SEL_TX_GND	0

#define CDC_A_MICB_1_VAL		(0xf141)
#define MICB_MIN_VAL 1600
#define MICB_STEP_SIZE 50
#define MICB_VOLTAGE_REGVAL(v)		((v - MICB_MIN_VAL)/MICB_STEP_SIZE)
#define MICB_1_VAL_MICB_OUT_VAL_MASK	GENMASK(7, 3)
#define MICB_1_VAL_MICB_OUT_VAL_V2P70V	((0x16)  << 3)
#define MICB_1_VAL_MICB_OUT_VAL_V1P80V	((0x4)  << 3)
#define CDC_A_MICB_1_CTL		(0xf142)

#define MICB_1_CTL_CFILT_REF_SEL_MASK		BIT(1)
#define MICB_1_CTL_CFILT_REF_SEL_HPF_REF	BIT(1)
#define MICB_1_CTL_EXT_PRECHARG_EN_MASK		BIT(5)
#define MICB_1_CTL_EXT_PRECHARG_EN_ENABLE	BIT(5)
#define MICB_1_CTL_INT_PRECHARG_BYP_MASK	BIT(6)
#define MICB_1_CTL_INT_PRECHARG_BYP_EXT_PRECHRG_SEL	BIT(6)

#define CDC_A_MICB_1_INT_RBIAS			(0xf143)
#define MICB_1_INT_TX1_INT_RBIAS_EN_MASK	BIT(7)
#define MICB_1_INT_TX1_INT_RBIAS_EN_ENABLE	BIT(7)
#define MICB_1_INT_TX1_INT_RBIAS_EN_DISABLE	0

#define MICB_1_INT_TX1_INT_PULLUP_EN_MASK	BIT(6)
#define MICB_1_INT_TX1_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(6)
#define MICB_1_INT_TX1_INT_PULLUP_EN_TX1N_TO_GND	0

#define MICB_1_INT_TX2_INT_RBIAS_EN_MASK	BIT(4)
#define MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE	BIT(4)
#define MICB_1_INT_TX2_INT_RBIAS_EN_DISABLE	0
#define MICB_1_INT_TX2_INT_PULLUP_EN_MASK	BIT(3)
#define MICB_1_INT_TX2_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(3)
#define MICB_1_INT_TX2_INT_PULLUP_EN_TX1N_TO_GND	0

#define MICB_1_INT_TX3_INT_RBIAS_EN_MASK	BIT(1)
#define MICB_1_INT_TX3_INT_RBIAS_EN_ENABLE	BIT(1)
#define MICB_1_INT_TX3_INT_RBIAS_EN_DISABLE	0
#define MICB_1_INT_TX3_INT_PULLUP_EN_MASK	BIT(0)
#define MICB_1_INT_TX3_INT_PULLUP_EN_TX1N_TO_MICBIAS BIT(0)
#define MICB_1_INT_TX3_INT_PULLUP_EN_TX1N_TO_GND	0

#define CDC_A_MICB_2_EN			(0xf144)
#define CDC_A_MICB_2_EN_ENABLE		BIT(7)
#define CDC_A_MICB_2_PULL_DOWN_EN_MASK	BIT(5)
#define CDC_A_MICB_2_PULL_DOWN_EN	BIT(5)
#define CDC_A_TX_1_2_ATEST_CTL_2	(0xf145)
#define CDC_A_MASTER_BIAS_CTL		(0xf146)
#define CDC_A_MBHC_DET_CTL_1		(0xf147)
#define CDC_A_MBHC_DET_CTL_L_DET_EN			BIT(7)
#define CDC_A_MBHC_DET_CTL_GND_DET_EN			BIT(6)
#define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION	BIT(5)
#define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_REMOVAL	(0)
#define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK		BIT(5)
#define CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT		(5)
#define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO		BIT(4)
#define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_MANUAL		BIT(3)
#define CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_MASK		GENMASK(4, 3)
#define CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN			BIT(2)
#define CDC_A_MBHC_DET_CTL_2		(0xf150)
#define CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0	(BIT(7) | BIT(6))
#define CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD	BIT(5)
#define CDC_A_PLUG_TYPE_MASK				GENMASK(4, 3)
#define CDC_A_HPHL_PLUG_TYPE_NO				BIT(4)
#define CDC_A_GND_PLUG_TYPE_NO				BIT(3)
#define CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN_MASK	BIT(0)
#define CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN		BIT(0)
#define CDC_A_MBHC_FSM_CTL		(0xf151)
#define CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN			BIT(7)
#define CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK		BIT(7)
#define CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA	(0x3 << 4)
#define CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK		GENMASK(6, 4)
#define CDC_A_MBHC_DBNC_TIMER		(0xf152)
#define CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS		BIT(3)
#define CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS	(0x9 << 4)
#define CDC_A_MBHC_BTN0_ZDET_CTL_0	(0xf153)
#define CDC_A_MBHC_BTN1_ZDET_CTL_1	(0xf154)
#define CDC_A_MBHC_BTN2_ZDET_CTL_2	(0xf155)
#define CDC_A_MBHC_BTN3_CTL		(0xf156)
#define CDC_A_MBHC_BTN4_CTL		(0xf157)
#define CDC_A_MBHC_BTN_VREF_FINE_SHIFT	(2)
#define CDC_A_MBHC_BTN_VREF_FINE_MASK	GENMASK(4, 2)
#define CDC_A_MBHC_BTN_VREF_COARSE_MASK	GENMASK(7, 5)
#define CDC_A_MBHC_BTN_VREF_COARSE_SHIFT (5)
#define CDC_A_MBHC_BTN_VREF_MASK	(CDC_A_MBHC_BTN_VREF_COARSE_MASK | \
					CDC_A_MBHC_BTN_VREF_FINE_MASK)
#define CDC_A_MBHC_RESULT_1		(0xf158)
#define CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK	GENMASK(4, 0)
#define CDC_A_TX_1_EN			(0xf160)
#define CDC_A_TX_2_EN			(0xf161)
#define CDC_A_TX_1_2_TEST_CTL_1		(0xf162)
#define CDC_A_TX_1_2_TEST_CTL_2		(0xf163)
#define CDC_A_TX_1_2_ATEST_CTL		(0xf164)
#define CDC_A_TX_1_2_OPAMP_BIAS		(0xf165)
#define CDC_A_TX_3_EN			(0xf167)
#define CDC_A_NCP_EN			(0xf180)
#define CDC_A_NCP_CLK			(0xf181)
#define CDC_A_NCP_FBCTRL		(0xf183)
#define CDC_A_NCP_FBCTRL_FB_CLK_INV_MASK	BIT(5)
#define CDC_A_NCP_FBCTRL_FB_CLK_INV		BIT(5)
#define CDC_A_NCP_BIAS			(0xf184)
#define CDC_A_NCP_VCTRL			(0xf185)
#define CDC_A_NCP_TEST			(0xf186)
#define CDC_A_NCP_CLIM_ADDR		(0xf187)
#define CDC_A_RX_CLOCK_DIVIDER		(0xf190)
#define CDC_A_RX_COM_OCP_CTL		(0xf191)
#define CDC_A_RX_COM_OCP_COUNT		(0xf192)
#define CDC_A_RX_COM_BIAS_DAC		(0xf193)
#define RX_COM_BIAS_DAC_RX_BIAS_EN_MASK		BIT(7)
#define RX_COM_BIAS_DAC_RX_BIAS_EN_ENABLE	BIT(7)
#define RX_COM_BIAS_DAC_DAC_REF_EN_MASK		BIT(0)
#define RX_COM_BIAS_DAC_DAC_REF_EN_ENABLE	BIT(0)

#define CDC_A_RX_HPH_BIAS_PA		(0xf194)
#define CDC_A_RX_HPH_BIAS_LDO_OCP	(0xf195)
#define CDC_A_RX_HPH_BIAS_CNP		(0xf196)
#define CDC_A_RX_HPH_CNP_EN		(0xf197)
#define CDC_A_RX_HPH_L_PA_DAC_CTL	(0xf19B)
#define RX_HPA_L_PA_DAC_CTL_DATA_RESET_MASK	BIT(1)
#define RX_HPA_L_PA_DAC_CTL_DATA_RESET_RESET	BIT(1)
#define CDC_A_RX_HPH_R_PA_DAC_CTL	(0xf19D)
#define RX_HPH_R_PA_DAC_CTL_DATA_RESET	BIT(1)
#define RX_HPH_R_PA_DAC_CTL_DATA_RESET_MASK BIT(1)

#define CDC_A_RX_EAR_CTL			(0xf19E)
#define RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK		BIT(0)
#define RX_EAR_CTL_SPK_VBAT_LDO_EN_ENABLE	BIT(0)

#define CDC_A_SPKR_DAC_CTL		(0xf1B0)
#define SPKR_DAC_CTL_DAC_RESET_MASK	BIT(4)
#define SPKR_DAC_CTL_DAC_RESET_NORMAL	0

#define CDC_A_SPKR_DRV_CTL		(0xf1B2)
#define SPKR_DRV_CTL_DEF_MASK		0xEF
#define SPKR_DRV_CLASSD_PA_EN_MASK	BIT(7)
#define SPKR_DRV_CLASSD_PA_EN_ENABLE	BIT(7)
#define SPKR_DRV_CAL_EN			BIT(6)
#define SPKR_DRV_SETTLE_EN		BIT(5)
#define SPKR_DRV_FW_EN			BIT(3)
#define SPKR_DRV_BOOST_SET		BIT(2)
#define SPKR_DRV_CMFB_SET		BIT(1)
#define SPKR_DRV_GAIN_SET		BIT(0)
#define SPKR_DRV_CTL_DEF_VAL (SPKR_DRV_CLASSD_PA_EN_ENABLE | \
		SPKR_DRV_CAL_EN | SPKR_DRV_SETTLE_EN | \
		SPKR_DRV_FW_EN | SPKR_DRV_BOOST_SET | \
		SPKR_DRV_CMFB_SET | SPKR_DRV_GAIN_SET)
#define CDC_A_SPKR_OCP_CTL		(0xf1B4)
#define CDC_A_SPKR_PWRSTG_CTL		(0xf1B5)
#define SPKR_PWRSTG_CTL_DAC_EN_MASK	BIT(0)
#define SPKR_PWRSTG_CTL_DAC_EN		BIT(0)
#define SPKR_PWRSTG_CTL_MASK		0xE0
#define SPKR_PWRSTG_CTL_BBM_MASK	BIT(7)
#define SPKR_PWRSTG_CTL_BBM_EN		BIT(7)
#define SPKR_PWRSTG_CTL_HBRDGE_EN_MASK	BIT(6)
#define SPKR_PWRSTG_CTL_HBRDGE_EN	BIT(6)
#define SPKR_PWRSTG_CTL_CLAMP_EN_MASK	BIT(5)
#define SPKR_PWRSTG_CTL_CLAMP_EN	BIT(5)

#define CDC_A_SPKR_DRV_DBG		(0xf1B7)
#define CDC_A_CURRENT_LIMIT		(0xf1C0)
#define CDC_A_BOOST_EN_CTL		(0xf1C3)
#define CDC_A_SLOPE_COMP_IP_ZERO	(0xf1C4)
#define CDC_A_SEC_ACCESS		(0xf1D0)
#define CDC_A_PERPH_RESET_CTL3		(0xf1DA)
#define CDC_A_PERPH_RESET_CTL4		(0xf1DB)

#define MSM8916_WCD_ANALOG_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
			SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000)
#define MSM8916_WCD_ANALOG_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
				    SNDRV_PCM_FMTBIT_S24_LE)

static int btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
	       SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_BTN_4;
static int hs_jack_mask = SND_JACK_HEADPHONE | SND_JACK_HEADSET;

static const char * const supply_names[] = {
	"vdd-cdc-io",
	"vdd-cdc-tx-rx-cx",
};

#define MBHC_MAX_BUTTONS	(5)

struct pm8916_wcd_analog_priv {
	u16 pmic_rev;
	u16 codec_version;
	bool	mbhc_btn_enabled;
	/* special event to detect accessory type */
	bool	mbhc_btn0_pressed;
	bool	detect_accessory_type;
	struct clk *mclk;
	struct snd_soc_codec *codec;
	struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
	struct snd_soc_jack *jack;
	bool hphl_jack_type_normally_open;
	bool gnd_jack_type_normally_open;
	/* Voltage threshold when internal current source of 100uA is used */
	u32 vref_btn_cs[MBHC_MAX_BUTTONS];
	/* Voltage threshold when microphone bias is ON */
	u32 vref_btn_micb[MBHC_MAX_BUTTONS];
	unsigned int micbias1_cap_mode;
	unsigned int micbias2_cap_mode;
	unsigned int micbias_mv;
};

static const char *const adc2_mux_text[] = { "ZERO", "INP2", "INP3" };
static const char *const rdac2_mux_text[] = { "ZERO", "RX2", "RX1" };
static const char *const hph_text[] = { "ZERO", "Switch", };

static const struct soc_enum hph_enum = SOC_ENUM_SINGLE_VIRT(
					ARRAY_SIZE(hph_text), hph_text);

static const struct snd_kcontrol_new hphl_mux = SOC_DAPM_ENUM("HPHL", hph_enum);
static const struct snd_kcontrol_new hphr_mux = SOC_DAPM_ENUM("HPHR", hph_enum);

/* ADC2 MUX */
static const struct soc_enum adc2_enum = SOC_ENUM_SINGLE_VIRT(
			ARRAY_SIZE(adc2_mux_text), adc2_mux_text);

/* RDAC2 MUX */
static const struct soc_enum rdac2_mux_enum = SOC_ENUM_SINGLE(
			CDC_D_CDC_CONN_HPHR_DAC_CTL, 0, 3, rdac2_mux_text);

static const struct snd_kcontrol_new spkr_switch[] = {
	SOC_DAPM_SINGLE("Switch", CDC_A_SPKR_DAC_CTL, 7, 1, 0)
};

static const struct snd_kcontrol_new rdac2_mux = SOC_DAPM_ENUM(
					"RDAC2 MUX Mux", rdac2_mux_enum);
static const struct snd_kcontrol_new tx_adc2_mux = SOC_DAPM_ENUM(
					"ADC2 MUX Mux", adc2_enum);

/* Analog Gain control 0 dB to +24 dB in 6 dB steps */
static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 600, 0);

static const struct snd_kcontrol_new pm8916_wcd_analog_snd_controls[] = {
	SOC_SINGLE_TLV("ADC1 Volume", CDC_A_TX_1_EN, 3, 8, 0, analog_gain),
	SOC_SINGLE_TLV("ADC2 Volume", CDC_A_TX_2_EN, 3, 8, 0, analog_gain),
	SOC_SINGLE_TLV("ADC3 Volume", CDC_A_TX_3_EN, 3, 8, 0, analog_gain),
};

static void pm8916_wcd_analog_micbias_enable(struct snd_soc_codec *codec)
{
	struct pm8916_wcd_analog_priv *wcd = snd_soc_codec_get_drvdata(codec);

	snd_soc_update_bits(codec, CDC_A_MICB_1_CTL,
			    MICB_1_CTL_EXT_PRECHARG_EN_MASK |
			    MICB_1_CTL_INT_PRECHARG_BYP_MASK,
			    MICB_1_CTL_INT_PRECHARG_BYP_EXT_PRECHRG_SEL
			    | MICB_1_CTL_EXT_PRECHARG_EN_ENABLE);

	if (wcd->micbias_mv) {
		snd_soc_write(codec, CDC_A_MICB_1_VAL,
			      MICB_VOLTAGE_REGVAL(wcd->micbias_mv));
		/*
		 * Special headset needs MICBIAS as 2.7V so wait for
		 * 50 msec for the MICBIAS to reach 2.7 volts.
		 */
		if (wcd->micbias_mv >= 2700)
			msleep(50);
	}

	snd_soc_update_bits(codec, CDC_A_MICB_1_CTL,
			    MICB_1_CTL_EXT_PRECHARG_EN_MASK |
			    MICB_1_CTL_INT_PRECHARG_BYP_MASK, 0);

}

static int pm8916_wcd_analog_enable_micbias_ext(struct snd_soc_codec
						 *codec, int event,
						 int reg, unsigned int cap_mode)
{
	switch (event) {
	case SND_SOC_DAPM_POST_PMU:
		pm8916_wcd_analog_micbias_enable(codec);
		snd_soc_update_bits(codec, CDC_A_MICB_1_EN,
				    MICB_1_EN_BYP_CAP_MASK, cap_mode);
		break;
	}

	return 0;
}

static int pm8916_wcd_analog_enable_micbias_int(struct snd_soc_codec
						 *codec, int event,
						 int reg, u32 cap_mode)
{

	switch (event) {
	case SND_SOC_DAPM_PRE_PMU:
		snd_soc_update_bits(codec, CDC_A_MICB_1_INT_RBIAS,
				    MICB_1_INT_TX2_INT_RBIAS_EN_MASK,
				    MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE);
		snd_soc_update_bits(codec, reg, MICB_1_EN_PULL_DOWN_EN_MASK, 0);
		snd_soc_update_bits(codec, CDC_A_MICB_1_EN,
				    MICB_1_EN_OPA_STG2_TAIL_CURR_MASK,
				    MICB_1_EN_OPA_STG2_TAIL_CURR_1_60UA);

		break;
	case SND_SOC_DAPM_POST_PMU:
		pm8916_wcd_analog_micbias_enable(codec);
		snd_soc_update_bits(codec, CDC_A_MICB_1_EN,
				    MICB_1_EN_BYP_CAP_MASK, cap_mode);
		break;
	}

	return 0;
}

static int pm8916_wcd_analog_enable_micbias_ext1(struct
						  snd_soc_dapm_widget
						  *w, struct snd_kcontrol
						  *kcontrol, int event)
{
	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
	struct pm8916_wcd_analog_priv *wcd = snd_soc_codec_get_drvdata(codec);

	return pm8916_wcd_analog_enable_micbias_ext(codec, event, w->reg,
						     wcd->micbias1_cap_mode);
}

static int pm8916_wcd_analog_enable_micbias_ext2(struct
						  snd_soc_dapm_widget
						  *w, struct snd_kcontrol
						  *kcontrol, int event)
{
	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
	struct pm8916_wcd_analog_priv *wcd = snd_soc_codec_get_drvdata(codec);

	return pm8916_wcd_analog_enable_micbias_ext(codec, event, w->reg,
						     wcd->micbias2_cap_mode);

}

static int pm8916_wcd_analog_enable_micbias_int1(struct
						  snd_soc_dapm_widget
						  *w, struct snd_kcontrol
						  *kcontrol, int event)
{
	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
	struct pm8916_wcd_analog_priv *wcd = snd_soc_codec_get_drvdata(codec);

	return pm8916_wcd_analog_enable_micbias_int(codec, event, w->reg,
						     wcd->micbias1_cap_mode);
}

static void pm8916_wcd_setup_mbhc(struct pm8916_wcd_analog_priv *wcd)
{
	struct snd_soc_codec *codec = wcd->codec;
	u32 plug_type = 0;
	u32 int_en_mask;

	snd_soc_write(codec, CDC_A_MBHC_DET_CTL_1,
		      CDC_A_MBHC_DET_CTL_L_DET_EN |
		      CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_INSERTION |
		      CDC_A_MBHC_DET_CTL_MIC_CLAMP_CTL_AUTO |
		      CDC_A_MBHC_DET_CTL_MBHC_BIAS_EN);

	if (wcd->hphl_jack_type_normally_open)
		plug_type |= CDC_A_HPHL_PLUG_TYPE_NO;

	if (wcd->gnd_jack_type_normally_open)
		plug_type |= CDC_A_GND_PLUG_TYPE_NO;

	snd_soc_write(codec, CDC_A_MBHC_DET_CTL_2,
		      CDC_A_MBHC_DET_CTL_HS_L_DET_PULL_UP_CTRL_I_3P0 |
		      CDC_A_MBHC_DET_CTL_HS_L_DET_COMPA_CTRL_V0P9_VDD |
		      plug_type |
		      CDC_A_MBHC_DET_CTL_HPHL_100K_TO_GND_EN);


	snd_soc_write(codec, CDC_A_MBHC_DBNC_TIMER,
		      CDC_A_MBHC_DBNC_TIMER_INSREM_DBNC_T_256_MS |
		      CDC_A_MBHC_DBNC_TIMER_BTN_DBNC_T_16MS);

	/* enable MBHC clock */
	snd_soc_update_bits(codec, CDC_D_CDC_DIG_CLK_CTL,
			    DIG_CLK_CTL_D_MBHC_CLK_EN_MASK,
			    DIG_CLK_CTL_D_MBHC_CLK_EN);

	int_en_mask = MBHC_SWITCH_INT;
	if (wcd->mbhc_btn_enabled)
		int_en_mask |= MBHC_BUTTON_PRESS_DET | MBHC_BUTTON_RELEASE_DET;

	snd_soc_update_bits(codec, CDC_D_INT_EN_CLR, int_en_mask, 0);
	snd_soc_update_bits(codec, CDC_D_INT_EN_SET, int_en_mask, int_en_mask);
	wcd->mbhc_btn0_pressed = false;
	wcd->detect_accessory_type = true;
}

static int pm8916_mbhc_configure_bias(struct pm8916_wcd_analog_priv *priv,
				      bool micbias2_enabled)
{
	struct snd_soc_codec *codec = priv->codec;
	u32 coarse, fine, reg_val, reg_addr;
	int *vrefs, i;

	if (!micbias2_enabled) { /* use internal 100uA Current source */
		/* Enable internal 2.2k Internal Rbias Resistor */
		snd_soc_update_bits(codec, CDC_A_MICB_1_INT_RBIAS,
				    MICB_1_INT_TX2_INT_RBIAS_EN_MASK,
				    MICB_1_INT_TX2_INT_RBIAS_EN_ENABLE);
		/* Remove pull down on MIC BIAS2 */
		snd_soc_update_bits(codec, CDC_A_MICB_2_EN,
				   CDC_A_MICB_2_PULL_DOWN_EN_MASK,
				   0);
		/* enable 100uA internal current source */
		snd_soc_update_bits(codec, CDC_A_MBHC_FSM_CTL,
				    CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_MASK,
				    CDC_A_MBHC_FSM_CTL_BTN_ISRC_CTRL_I_100UA);
	}
	snd_soc_update_bits(codec, CDC_A_MBHC_FSM_CTL,
			CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN_MASK,
			CDC_A_MBHC_FSM_CTL_MBHC_FSM_EN);

	if (micbias2_enabled)
		vrefs = &priv->vref_btn_micb[0];
	else
		vrefs = &priv->vref_btn_cs[0];

	/* program vref ranges for all the buttons */
	reg_addr = CDC_A_MBHC_BTN0_ZDET_CTL_0;
	for (i = 0; i <  MBHC_MAX_BUTTONS; i++) {
		/* split mv in to coarse parts of 100mv & fine parts of 12mv */
		coarse = (vrefs[i] / 100);
		fine = ((vrefs[i] % 100) / 12);
		reg_val = (coarse << CDC_A_MBHC_BTN_VREF_COARSE_SHIFT) |
			 (fine << CDC_A_MBHC_BTN_VREF_FINE_SHIFT);
		snd_soc_update_bits(codec, reg_addr,
			       CDC_A_MBHC_BTN_VREF_MASK,
			       reg_val);
		reg_addr++;
	}

	return 0;
}

static int pm8916_wcd_analog_enable_micbias_int2(struct
						  snd_soc_dapm_widget
						  *w, struct snd_kcontrol
						  *kcontrol, int event)
{
	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
	struct pm8916_wcd_analog_priv *wcd = snd_soc_codec_get_drvdata(codec);

	switch (event) {
	case SND_SOC_DAPM_POST_PMU:
		pm8916_mbhc_configure_bias(wcd, true);
		break;
	case SND_SOC_DAPM_POST_PMD:
		pm8916_mbhc_configure_bias(wcd, false);
		break;
	}

	return pm8916_wcd_analog_enable_micbias_int(codec, event, w->reg,
						     wcd->micbias2_cap_mode);
}

static int pm8916_wcd_analog_enable_adc(struct snd_soc_dapm_widget *w,
					 struct snd_kcontrol *kcontrol,
					 int event)
{
	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
	u16 adc_reg = CDC_A_TX_1_2_TEST_CTL_2;
	u8 init_bit_shift;

	if (w->reg == CDC_A_TX_1_EN)
		init_bit_shift = 5;
	else
		init_bit_shift = 4;

	switch (event) {
	case SND_SOC_DAPM_PRE_PMU:
		if (w->reg == CDC_A_TX_2_EN)
			snd_soc_update_bits(codec, CDC_A_MICB_1_CTL,
					    MICB_1_CTL_CFILT_REF_SEL_MASK,
					    MICB_1_CTL_CFILT_REF_SEL_HPF_REF);
		/*
		 * Add delay of 10 ms to give sufficient time for the voltage
		 * to shoot up and settle so that the txfe init does not
		 * happen when the input voltage is changing too much.
		 */
		usleep_range(10000, 10010);
		snd_soc_update_bits(codec, adc_reg, 1 << init_bit_shift,
				    1 << init_bit_shift);
		switch (w->reg) {
		case CDC_A_TX_1_EN:
			snd_soc_update_bits(codec, CDC_D_CDC_CONN_TX1_CTL,
					    CONN_TX1_SERIAL_TX1_MUX,
					    CONN_TX1_SERIAL_TX1_ADC_1);
			break;
		case CDC_A_TX_2_EN:
		case CDC_A_TX_3_EN:
			snd_soc_update_bits(codec, CDC_D_CDC_CONN_TX2_CTL,
					    CONN_TX2_SERIAL_TX2_MUX,
					    CONN_TX2_SERIAL_TX2_ADC_2);
			break;
		}
		break;
	case SND_SOC_DAPM_POST_PMU:
		/*
		 * Add delay of 12 ms before deasserting the init
		 * to reduce the tx pop
		 */
		usleep_range(12000, 12010);
		snd_soc_update_bits(codec, adc_reg, 1 << init_bit_shift, 0x00);
		break;
	case SND_SOC_DAPM_POST_PMD:
		switch (w->reg) {
		case CDC_A_TX_1_EN:
			snd_soc_update_bits(codec, CDC_D_CDC_CONN_TX1_CTL,
					    CONN_TX1_SERIAL_TX1_MUX,
					    CONN_TX1_SERIAL_TX1_ZERO);
			break;
		case CDC_A_TX_2_EN:
			snd_soc_update_bits(codec, CDC_A_MICB_1_CTL,
					    MICB_1_CTL_CFILT_REF_SEL_MASK, 0);
		case CDC_A_TX_3_EN:
			snd_soc_update_bits(codec, CDC_D_CDC_CONN_TX2_CTL,
					    CONN_TX2_SERIAL_TX2_MUX,
					    CONN_TX2_SERIAL_TX2_ZERO);
			break;
		}


		break;
	}
	return 0;
}

static int pm8916_wcd_analog_enable_spk_pa(struct snd_soc_dapm_widget *w,
					    struct snd_kcontrol *kcontrol,
					    int event)
{
	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);

	switch (event) {
	case SND_SOC_DAPM_PRE_PMU:
		snd_soc_update_bits(codec, CDC_A_SPKR_PWRSTG_CTL,
				    SPKR_PWRSTG_CTL_DAC_EN_MASK |
				    SPKR_PWRSTG_CTL_BBM_MASK |
				    SPKR_PWRSTG_CTL_HBRDGE_EN_MASK |
				    SPKR_PWRSTG_CTL_CLAMP_EN_MASK,
				    SPKR_PWRSTG_CTL_DAC_EN|
				    SPKR_PWRSTG_CTL_BBM_EN |
				    SPKR_PWRSTG_CTL_HBRDGE_EN |
				    SPKR_PWRSTG_CTL_CLAMP_EN);

		snd_soc_update_bits(codec, CDC_A_RX_EAR_CTL,
				    RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK,
				    RX_EAR_CTL_SPK_VBAT_LDO_EN_ENABLE);
		break;
	case SND_SOC_DAPM_POST_PMU:
		snd_soc_update_bits(codec, CDC_A_SPKR_DRV_CTL,
				    SPKR_DRV_CTL_DEF_MASK,
				    SPKR_DRV_CTL_DEF_VAL);
		snd_soc_update_bits(codec, w->reg,
				    SPKR_DRV_CLASSD_PA_EN_MASK,
				    SPKR_DRV_CLASSD_PA_EN_ENABLE);
		break;
	case SND_SOC_DAPM_POST_PMD:
		snd_soc_update_bits(codec, CDC_A_SPKR_PWRSTG_CTL,
				    SPKR_PWRSTG_CTL_DAC_EN_MASK|
				    SPKR_PWRSTG_CTL_BBM_MASK |
				    SPKR_PWRSTG_CTL_HBRDGE_EN_MASK |
				    SPKR_PWRSTG_CTL_CLAMP_EN_MASK, 0);

		snd_soc_update_bits(codec, CDC_A_SPKR_DAC_CTL,
				    SPKR_DAC_CTL_DAC_RESET_MASK,
				    SPKR_DAC_CTL_DAC_RESET_NORMAL);
		snd_soc_update_bits(codec, CDC_A_RX_EAR_CTL,
				    RX_EAR_CTL_SPK_VBAT_LDO_EN_MASK, 0);
		break;
	}
	return 0;
}

static const struct reg_default wcd_reg_defaults_2_0[] = {
	{CDC_A_RX_COM_OCP_CTL, 0xD1},
	{CDC_A_RX_COM_OCP_COUNT, 0xFF},
	{CDC_D_SEC_ACCESS, 0xA5},
	{CDC_D_PERPH_RESET_CTL3, 0x0F},
	{CDC_A_TX_1_2_OPAMP_BIAS, 0x4F},
	{CDC_A_NCP_FBCTRL, 0x28},
	{CDC_A_SPKR_DRV_CTL, 0x69},
	{CDC_A_SPKR_DRV_DBG, 0x01},
	{CDC_A_BOOST_EN_CTL, 0x5F},
	{CDC_A_SLOPE_COMP_IP_ZERO, 0x88},
	{CDC_A_SEC_ACCESS, 0xA5},
	{CDC_A_PERPH_RESET_CTL3, 0x0F},
	{CDC_A_CURRENT_LIMIT, 0x82},
	{CDC_A_SPKR_DAC_CTL, 0x03},
	{CDC_A_SPKR_OCP_CTL, 0xE1},
	{CDC_A_MASTER_BIAS_CTL, 0x30},
};

static int pm8916_wcd_analog_probe(struct snd_soc_codec *codec)
{
	struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(codec->dev);
	int err, reg;

	err = regulator_bulk_enable(ARRAY_SIZE(priv->supplies), priv->supplies);
	if (err != 0) {
		dev_err(codec->dev, "failed to enable regulators (%d)\n", err);
		return err;
	}

	snd_soc_codec_set_drvdata(codec, priv);
	priv->pmic_rev = snd_soc_read(codec, CDC_D_REVISION1);
	priv->codec_version = snd_soc_read(codec, CDC_D_PERPH_SUBTYPE);

	dev_info(codec->dev, "PMIC REV: %d\t CODEC Version: %d\n",
		 priv->pmic_rev, priv->codec_version);

	snd_soc_write(codec, CDC_D_PERPH_RESET_CTL4, 0x01);
	snd_soc_write(codec, CDC_A_PERPH_RESET_CTL4, 0x01);

	for (reg = 0; reg < ARRAY_SIZE(wcd_reg_defaults_2_0); reg++)
		snd_soc_write(codec, wcd_reg_defaults_2_0[reg].reg,
			      wcd_reg_defaults_2_0[reg].def);

	priv->codec = codec;

	snd_soc_update_bits(codec, CDC_D_CDC_RST_CTL,
			    RST_CTL_DIG_SW_RST_N_MASK,
			    RST_CTL_DIG_SW_RST_N_REMOVE_RESET);

	pm8916_wcd_setup_mbhc(priv);

	return 0;
}

static int pm8916_wcd_analog_remove(struct snd_soc_codec *codec)
{
	struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(codec->dev);

	snd_soc_update_bits(codec, CDC_D_CDC_RST_CTL,
			    RST_CTL_DIG_SW_RST_N_MASK, 0);

	return regulator_bulk_disable(ARRAY_SIZE(priv->supplies),
				      priv->supplies);
}

static const struct snd_soc_dapm_route pm8916_wcd_analog_audio_map[] = {

	{"PDM_RX1", NULL, "PDM Playback"},
	{"PDM_RX2", NULL, "PDM Playback"},
	{"PDM_RX3", NULL, "PDM Playback"},
	{"PDM Capture", NULL, "PDM_TX"},

	/* ADC Connections */
	{"PDM_TX", NULL, "ADC2"},
	{"PDM_TX", NULL, "ADC3"},
	{"ADC2", NULL, "ADC2 MUX"},
	{"ADC3", NULL, "ADC2 MUX"},
	{"ADC2 MUX", "INP2", "ADC2_INP2"},
	{"ADC2 MUX", "INP3", "ADC2_INP3"},

	{"PDM_TX", NULL, "ADC1"},
	{"ADC1", NULL, "AMIC1"},
	{"ADC2_INP2", NULL, "AMIC2"},
	{"ADC2_INP3", NULL, "AMIC3"},

	/* RDAC Connections */
	{"HPHR DAC", NULL, "RDAC2 MUX"},
	{"RDAC2 MUX", "RX1", "PDM_RX1"},
	{"RDAC2 MUX", "RX2", "PDM_RX2"},
	{"HPHL DAC", NULL, "PDM_RX1"},
	{"PDM_RX1", NULL, "RXD1_CLK"},
	{"PDM_RX2", NULL, "RXD2_CLK"},
	{"PDM_RX3", NULL, "RXD3_CLK"},

	{"PDM_RX1", NULL, "RXD_PDM_CLK"},
	{"PDM_RX2", NULL, "RXD_PDM_CLK"},
	{"PDM_RX3", NULL, "RXD_PDM_CLK"},

	{"ADC1", NULL, "TXD_CLK"},
	{"ADC2", NULL, "TXD_CLK"},
	{"ADC3", NULL, "TXD_CLK"},

	{"ADC1", NULL, "TXA_CLK25"},
	{"ADC2", NULL, "TXA_CLK25"},
	{"ADC3", NULL, "TXA_CLK25"},

	{"PDM_RX1", NULL, "A_MCLK2"},
	{"PDM_RX2", NULL, "A_MCLK2"},
	{"PDM_RX3", NULL, "A_MCLK2"},

	{"PDM_TX", NULL, "A_MCLK2"},
	{"A_MCLK2", NULL, "A_MCLK"},

	/* Headset (RX MIX1 and RX MIX2) */
	{"HEADPHONE", NULL, "HPHL PA"},
	{"HEADPHONE", NULL, "HPHR PA"},

	{"HPHL PA", NULL, "EAR_HPHL_CLK"},
	{"HPHR PA", NULL, "EAR_HPHR_CLK"},

	{"CP", NULL, "NCP_CLK"},

	{"HPHL PA", NULL, "HPHL"},
	{"HPHR PA", NULL, "HPHR"},
	{"HPHL PA", NULL, "CP"},
	{"HPHL PA", NULL, "RX_BIAS"},
	{"HPHR PA", NULL, "CP"},
	{"HPHR PA", NULL, "RX_BIAS"},
	{"HPHL", "Switch", "HPHL DAC"},
	{"HPHR", "Switch", "HPHR DAC"},

	{"RX_BIAS", NULL, "DAC_REF"},

	{"SPK_OUT", NULL, "SPK PA"},
	{"SPK PA", NULL, "RX_BIAS"},
	{"SPK PA", NULL, "SPKR_CLK"},
	{"SPK PA", NULL, "SPK DAC"},
	{"SPK DAC", "Switch", "PDM_RX3"},

	{"MIC BIAS Internal1", NULL, "INT_LDO_H"},
	{"MIC BIAS Internal2", NULL, "INT_LDO_H"},
	{"MIC BIAS External1", NULL, "INT_LDO_H"},
	{"MIC BIAS External2", NULL, "INT_LDO_H"},
	{"MIC BIAS Internal1", NULL, "vdd-micbias"},
	{"MIC BIAS Internal2", NULL, "vdd-micbias"},
	{"MIC BIAS External1", NULL, "vdd-micbias"},
	{"MIC BIAS External2", NULL, "vdd-micbias"},
};

static const struct snd_soc_dapm_widget pm8916_wcd_analog_dapm_widgets[] = {

	SND_SOC_DAPM_AIF_IN("PDM_RX1", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("PDM_RX2", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("PDM_RX3", NULL, 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_OUT("PDM_TX", NULL, 0, SND_SOC_NOPM, 0, 0),

	SND_SOC_DAPM_INPUT("AMIC1"),
	SND_SOC_DAPM_INPUT("AMIC3"),
	SND_SOC_DAPM_INPUT("AMIC2"),
	SND_SOC_DAPM_OUTPUT("HEADPHONE"),

	/* RX stuff */
	SND_SOC_DAPM_SUPPLY("INT_LDO_H", SND_SOC_NOPM, 1, 0, NULL, 0),

	SND_SOC_DAPM_PGA("HPHL PA", CDC_A_RX_HPH_CNP_EN, 5, 0, NULL, 0),
	SND_SOC_DAPM_MUX("HPHL", SND_SOC_NOPM, 0, 0, &hphl_mux),
	SND_SOC_DAPM_MIXER("HPHL DAC", CDC_A_RX_HPH_L_PA_DAC_CTL, 3, 0, NULL,
			   0),
	SND_SOC_DAPM_PGA("HPHR PA", CDC_A_RX_HPH_CNP_EN, 4, 0, NULL, 0),
	SND_SOC_DAPM_MUX("HPHR", SND_SOC_NOPM, 0, 0, &hphr_mux),
	SND_SOC_DAPM_MIXER("HPHR DAC", CDC_A_RX_HPH_R_PA_DAC_CTL, 3, 0, NULL,
			   0),
	SND_SOC_DAPM_MIXER("SPK DAC", SND_SOC_NOPM, 0, 0,
			   spkr_switch, ARRAY_SIZE(spkr_switch)),

	/* Speaker */
	SND_SOC_DAPM_OUTPUT("SPK_OUT"),
	SND_SOC_DAPM_PGA_E("SPK PA", CDC_A_SPKR_DRV_CTL,
			   6, 0, NULL, 0,
			   pm8916_wcd_analog_enable_spk_pa,
			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
			   SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
	SND_SOC_DAPM_REGULATOR_SUPPLY("vdd-micbias", 0, 0),
	SND_SOC_DAPM_SUPPLY("CP", CDC_A_NCP_EN, 0, 0, NULL, 0),

	SND_SOC_DAPM_SUPPLY("DAC_REF", CDC_A_RX_COM_BIAS_DAC, 0, 0, NULL, 0),
	SND_SOC_DAPM_SUPPLY("RX_BIAS", CDC_A_RX_COM_BIAS_DAC, 7, 0, NULL, 0),

	/* TX */
	SND_SOC_DAPM_SUPPLY("MIC BIAS Internal1", CDC_A_MICB_1_EN, 7, 0,
			    pm8916_wcd_analog_enable_micbias_int1,
			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
			    SND_SOC_DAPM_POST_PMD),
	SND_SOC_DAPM_SUPPLY("MIC BIAS Internal2", CDC_A_MICB_2_EN, 7, 0,
			    pm8916_wcd_analog_enable_micbias_int2,
			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
			    SND_SOC_DAPM_POST_PMD),

	SND_SOC_DAPM_SUPPLY("MIC BIAS External1", CDC_A_MICB_1_EN, 7, 0,
			    pm8916_wcd_analog_enable_micbias_ext1,
			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
	SND_SOC_DAPM_SUPPLY("MIC BIAS External2", CDC_A_MICB_2_EN, 7, 0,
			    pm8916_wcd_analog_enable_micbias_ext2,
			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),

	SND_SOC_DAPM_ADC_E("ADC1", NULL, CDC_A_TX_1_EN, 7, 0,
			   pm8916_wcd_analog_enable_adc,
			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
			   SND_SOC_DAPM_POST_PMD),
	SND_SOC_DAPM_ADC_E("ADC2_INP2", NULL, CDC_A_TX_2_EN, 7, 0,
			   pm8916_wcd_analog_enable_adc,
			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
			   SND_SOC_DAPM_POST_PMD),
	SND_SOC_DAPM_ADC_E("ADC2_INP3", NULL, CDC_A_TX_3_EN, 7, 0,
			   pm8916_wcd_analog_enable_adc,
			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
			   SND_SOC_DAPM_POST_PMD),

	SND_SOC_DAPM_MIXER("ADC2", SND_SOC_NOPM, 0, 0, NULL, 0),
	SND_SOC_DAPM_MIXER("ADC3", SND_SOC_NOPM, 0, 0, NULL, 0),

	SND_SOC_DAPM_MUX("ADC2 MUX", SND_SOC_NOPM, 0, 0, &tx_adc2_mux),
	SND_SOC_DAPM_MUX("RDAC2 MUX", SND_SOC_NOPM, 0, 0, &rdac2_mux),

	/* Analog path clocks */
	SND_SOC_DAPM_SUPPLY("EAR_HPHR_CLK", CDC_D_CDC_ANA_CLK_CTL, 0, 0, NULL,
			    0),
	SND_SOC_DAPM_SUPPLY("EAR_HPHL_CLK", CDC_D_CDC_ANA_CLK_CTL, 1, 0, NULL,
			    0),
	SND_SOC_DAPM_SUPPLY("SPKR_CLK", CDC_D_CDC_ANA_CLK_CTL, 4, 0, NULL, 0),
	SND_SOC_DAPM_SUPPLY("TXA_CLK25", CDC_D_CDC_ANA_CLK_CTL, 5, 0, NULL, 0),

	/* Digital path clocks */

	SND_SOC_DAPM_SUPPLY("RXD1_CLK", CDC_D_CDC_DIG_CLK_CTL, 0, 0, NULL, 0),
	SND_SOC_DAPM_SUPPLY("RXD2_CLK", CDC_D_CDC_DIG_CLK_CTL, 1, 0, NULL, 0),
	SND_SOC_DAPM_SUPPLY("RXD3_CLK", CDC_D_CDC_DIG_CLK_CTL, 2, 0, NULL, 0),

	SND_SOC_DAPM_SUPPLY("TXD_CLK", CDC_D_CDC_DIG_CLK_CTL, 4, 0, NULL, 0),
	SND_SOC_DAPM_SUPPLY("NCP_CLK", CDC_D_CDC_DIG_CLK_CTL, 6, 0, NULL, 0),
	SND_SOC_DAPM_SUPPLY("RXD_PDM_CLK", CDC_D_CDC_DIG_CLK_CTL, 7, 0, NULL,
			    0),

	/* System Clock source */
	SND_SOC_DAPM_SUPPLY("A_MCLK", CDC_D_CDC_TOP_CLK_CTL, 2, 0, NULL, 0),
	/* TX ADC and RX DAC Clock source. */
	SND_SOC_DAPM_SUPPLY("A_MCLK2", CDC_D_CDC_TOP_CLK_CTL, 3, 0, NULL, 0),
};

static int pm8916_wcd_analog_set_jack(struct snd_soc_codec *codec,
				      struct snd_soc_jack *jack,
				      void *data)
{
	struct pm8916_wcd_analog_priv *wcd = snd_soc_codec_get_drvdata(codec);

	wcd->jack = jack;

	return 0;
}

static struct regmap *pm8916_get_regmap(struct device *dev)
{
	return dev_get_regmap(dev->parent, NULL);
}

static irqreturn_t mbhc_btn_release_irq_handler(int irq, void *arg)
{
	struct pm8916_wcd_analog_priv *priv = arg;

	if (priv->detect_accessory_type) {
		struct snd_soc_codec *codec = priv->codec;
		u32 val = snd_soc_read(codec, CDC_A_MBHC_RESULT_1);

		/* check if its BTN0 thats released */
		if ((val >= 0) && !(val & CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK))
			priv->mbhc_btn0_pressed = false;

	} else {
		snd_soc_jack_report(priv->jack, 0, btn_mask);
	}

	return IRQ_HANDLED;
}

static irqreturn_t mbhc_btn_press_irq_handler(int irq, void *arg)
{
	struct pm8916_wcd_analog_priv *priv = arg;
	struct snd_soc_codec *codec = priv->codec;
	u32 btn_result;

	btn_result = snd_soc_read(codec, CDC_A_MBHC_RESULT_1) &
				  CDC_A_MBHC_RESULT_1_BTN_RESULT_MASK;

	switch (btn_result) {
	case 0xf:
		snd_soc_jack_report(priv->jack, SND_JACK_BTN_4, btn_mask);
		break;
	case 0x7:
		snd_soc_jack_report(priv->jack, SND_JACK_BTN_3, btn_mask);
		break;
	case 0x3:
		snd_soc_jack_report(priv->jack, SND_JACK_BTN_2, btn_mask);
		break;
	case 0x1:
		snd_soc_jack_report(priv->jack, SND_JACK_BTN_1, btn_mask);
		break;
	case 0x0:
		/* handle BTN_0 specially for type detection */
		if (priv->detect_accessory_type)
			priv->mbhc_btn0_pressed = true;
		else
			snd_soc_jack_report(priv->jack,
					    SND_JACK_BTN_0, btn_mask);
		break;
	default:
		dev_err(codec->dev,
			"Unexpected button press result (%x)", btn_result);
		break;
	}

	return IRQ_HANDLED;
}


static irqreturn_t pm8916_mbhc_switch_irq_handler(int irq, void *arg)
{
	struct pm8916_wcd_analog_priv *priv = arg;
	struct snd_soc_codec *codec = priv->codec;
	bool ins = false;

	if (snd_soc_read(codec, CDC_A_MBHC_DET_CTL_1) &
				CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK)
		ins = true;

	/* Set the detection type appropriately */
	snd_soc_update_bits(codec, CDC_A_MBHC_DET_CTL_1,
			    CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_MASK,
			    (!ins << CDC_A_MBHC_DET_CTL_MECH_DET_TYPE_SHIFT));


	if (ins) { /* hs insertion */
		bool micbias_enabled = false;

		if (snd_soc_read(codec, CDC_A_MICB_2_EN) &
				CDC_A_MICB_2_EN_ENABLE)
			micbias_enabled = true;

		pm8916_mbhc_configure_bias(priv, micbias_enabled);

		/*
		 * if only a btn0 press event is receive just before
		 * insert event then its a 3 pole headphone else if
		 * both press and release event received then its
		 * a headset.
		 */
		if (priv->mbhc_btn0_pressed)
			snd_soc_jack_report(priv->jack,
					    SND_JACK_HEADPHONE, hs_jack_mask);
		else
			snd_soc_jack_report(priv->jack,
					    SND_JACK_HEADSET, hs_jack_mask);

		priv->detect_accessory_type = false;

	} else { /* removal */
		snd_soc_jack_report(priv->jack, 0, hs_jack_mask);
		priv->detect_accessory_type = true;
		priv->mbhc_btn0_pressed = false;
	}

	return IRQ_HANDLED;
}

static struct snd_soc_dai_driver pm8916_wcd_analog_dai[] = {
	[0] = {
	       .name = "pm8916_wcd_analog_pdm_rx",
	       .id = 0,
	       .playback = {
			    .stream_name = "PDM Playback",
			    .rates = MSM8916_WCD_ANALOG_RATES,
			    .formats = MSM8916_WCD_ANALOG_FORMATS,
			    .channels_min = 1,
			    .channels_max = 3,
			    },
	       },
	[1] = {
	       .name = "pm8916_wcd_analog_pdm_tx",
	       .id = 1,
	       .capture = {
			   .stream_name = "PDM Capture",
			   .rates = MSM8916_WCD_ANALOG_RATES,
			   .formats = MSM8916_WCD_ANALOG_FORMATS,
			   .channels_min = 1,
			   .channels_max = 4,
			   },
	       },
};

static const struct snd_soc_codec_driver pm8916_wcd_analog = {
	.probe = pm8916_wcd_analog_probe,
	.remove = pm8916_wcd_analog_remove,
	.set_jack = pm8916_wcd_analog_set_jack,
	.get_regmap = pm8916_get_regmap,
	.component_driver = {
		.controls = pm8916_wcd_analog_snd_controls,
		.num_controls = ARRAY_SIZE(pm8916_wcd_analog_snd_controls),
		.dapm_widgets = pm8916_wcd_analog_dapm_widgets,
		.num_dapm_widgets = ARRAY_SIZE(pm8916_wcd_analog_dapm_widgets),
		.dapm_routes = pm8916_wcd_analog_audio_map,
		.num_dapm_routes = ARRAY_SIZE(pm8916_wcd_analog_audio_map),
	},
};

static int pm8916_wcd_analog_parse_dt(struct device *dev,
				       struct pm8916_wcd_analog_priv *priv)
{
	int rval;

	if (of_property_read_bool(dev->of_node, "qcom,micbias1-ext-cap"))
		priv->micbias1_cap_mode = MICB_1_EN_EXT_BYP_CAP;
	else
		priv->micbias1_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP;

	if (of_property_read_bool(dev->of_node, "qcom,micbias2-ext-cap"))
		priv->micbias2_cap_mode = MICB_1_EN_EXT_BYP_CAP;
	else
		priv->micbias2_cap_mode = MICB_1_EN_NO_EXT_BYP_CAP;

	of_property_read_u32(dev->of_node, "qcom,micbias-lvl",
			     &priv->micbias_mv);

	if (of_property_read_bool(dev->of_node,
				  "qcom,hphl-jack-type-normally-open"))
		priv->hphl_jack_type_normally_open = true;
	else
		priv->hphl_jack_type_normally_open = false;

	if (of_property_read_bool(dev->of_node,
				  "qcom,gnd-jack-type-normally-open"))
		priv->gnd_jack_type_normally_open = true;
	else
		priv->gnd_jack_type_normally_open = false;

	priv->mbhc_btn_enabled = true;
	rval = of_property_read_u32_array(dev->of_node,
					  "qcom,mbhc-vthreshold-low",
					  &priv->vref_btn_cs[0],
					  MBHC_MAX_BUTTONS);
	if (rval < 0) {
		priv->mbhc_btn_enabled = false;
	} else {
		rval = of_property_read_u32_array(dev->of_node,
						  "qcom,mbhc-vthreshold-high",
						  &priv->vref_btn_micb[0],
						  MBHC_MAX_BUTTONS);
		if (rval < 0)
			priv->mbhc_btn_enabled = false;
	}

	if (!priv->mbhc_btn_enabled)
		dev_err(dev,
			"DT property missing, MBHC btn detection disabled\n");


	return 0;
}

static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev)
{
	struct pm8916_wcd_analog_priv *priv;
	struct device *dev = &pdev->dev;
	int ret, i, irq;

	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
	if (!priv)
		return -ENOMEM;

	ret = pm8916_wcd_analog_parse_dt(dev, priv);
	if (ret < 0)
		return ret;

	priv->mclk = devm_clk_get(dev, "mclk");
	if (IS_ERR(priv->mclk)) {
		dev_err(dev, "failed to get mclk\n");
		return PTR_ERR(priv->mclk);
	}

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

	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(priv->supplies),
				    priv->supplies);
	if (ret) {
		dev_err(dev, "Failed to get regulator supplies %d\n", ret);
		return ret;
	}

	ret = clk_prepare_enable(priv->mclk);
	if (ret < 0) {
		dev_err(dev, "failed to enable mclk %d\n", ret);
		return ret;
	}

	irq = platform_get_irq_byname(pdev, "mbhc_switch_int");
	if (irq < 0) {
		dev_err(dev, "failed to get mbhc switch irq\n");
		return irq;
	}

	ret = devm_request_irq(dev, irq, pm8916_mbhc_switch_irq_handler,
			       IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
			       IRQF_ONESHOT,
			       "mbhc switch irq", priv);
	if (ret)
		dev_err(dev, "cannot request mbhc switch irq\n");

	if (priv->mbhc_btn_enabled) {
		irq = platform_get_irq_byname(pdev, "mbhc_but_press_det");
		if (irq < 0) {
			dev_err(dev, "failed to get button press irq\n");
			return irq;
		}

		ret = devm_request_irq(dev, irq, mbhc_btn_press_irq_handler,
				       IRQF_TRIGGER_RISING |
				       IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
				       "mbhc btn press irq", priv);
		if (ret)
			dev_err(dev, "cannot request mbhc button press irq\n");

		irq = platform_get_irq_byname(pdev, "mbhc_but_rel_det");
		if (irq < 0) {
			dev_err(dev, "failed to get button release irq\n");
			return irq;
		}

		ret = devm_request_irq(dev, irq, mbhc_btn_release_irq_handler,
				       IRQF_TRIGGER_RISING |
				       IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
				       "mbhc btn release irq", priv);
		if (ret)
			dev_err(dev, "cannot request mbhc button release irq\n");

	}

	dev_set_drvdata(dev, priv);

	return snd_soc_register_codec(dev, &pm8916_wcd_analog,
				      pm8916_wcd_analog_dai,
				      ARRAY_SIZE(pm8916_wcd_analog_dai));
}

static int pm8916_wcd_analog_spmi_remove(struct platform_device *pdev)
{
	struct pm8916_wcd_analog_priv *priv = dev_get_drvdata(&pdev->dev);

	snd_soc_unregister_codec(&pdev->dev);
	clk_disable_unprepare(priv->mclk);

	return 0;
}

static const struct of_device_id pm8916_wcd_analog_spmi_match_table[] = {
	{ .compatible = "qcom,pm8916-wcd-analog-codec", },
	{ }
};

static struct platform_driver pm8916_wcd_analog_spmi_driver = {
	.driver = {
		   .name = "qcom,pm8916-wcd-spmi-codec",
		   .of_match_table = pm8916_wcd_analog_spmi_match_table,
	},
	.probe = pm8916_wcd_analog_spmi_probe,
	.remove = pm8916_wcd_analog_spmi_remove,
};

module_platform_driver(pm8916_wcd_analog_spmi_driver);

MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>");
MODULE_DESCRIPTION("PMIC PM8916 WCD Analog Codec driver");
MODULE_LICENSE("GPL v2");
OpenPOWER on IntegriCloud