aboutsummaryrefslogtreecommitdiff
path: root/sound/soc/codecs/rt286.c
blob: b86b426f159d136c07cbc4491c8241db0c5a2001 (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
/*
 * rt286.c  --  RT286 ALSA SoC audio codec driver
 *
 * Copyright 2013 Realtek Semiconductor Corp.
 * Author: Bard Liao <bardliao@realtek.com>
 *
 * This program 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.
 */

#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/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/acpi.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <sound/jack.h>
#include <linux/workqueue.h>
#include <sound/rt286.h>
#include <sound/hda_verbs.h>

#include "rt286.h"

#define RT286_VENDOR_ID 0x10ec0286

struct rt286_priv {
	struct regmap *regmap;
	struct rt286_platform_data pdata;
	struct i2c_client *i2c;
	struct snd_soc_jack *jack;
	struct delayed_work jack_detect_work;
	int sys_clk;
	struct reg_default *index_cache;
};

static struct reg_default rt286_index_def[] = {
	{ 0x01, 0xaaaa },
	{ 0x02, 0x8aaa },
	{ 0x03, 0x0002 },
	{ 0x04, 0xaf01 },
	{ 0x08, 0x000d },
	{ 0x09, 0xd810 },
	{ 0x0a, 0x0120 },
	{ 0x0b, 0x0000 },
	{ 0x0d, 0x2800 },
	{ 0x0f, 0x0000 },
	{ 0x19, 0x0a17 },
	{ 0x20, 0x0020 },
	{ 0x33, 0x0208 },
	{ 0x49, 0x0004 },
	{ 0x4f, 0x50e9 },
	{ 0x50, 0x2000 },
	{ 0x63, 0x2902 },
	{ 0x67, 0x1111 },
	{ 0x68, 0x1016 },
	{ 0x69, 0x273f },
};
#define INDEX_CACHE_SIZE ARRAY_SIZE(rt286_index_def)

static const struct reg_default rt286_reg[] = {
	{ 0x00170500, 0x00000400 },
	{ 0x00220000, 0x00000031 },
	{ 0x00239000, 0x0000007f },
	{ 0x0023a000, 0x0000007f },
	{ 0x00270500, 0x00000400 },
	{ 0x00370500, 0x00000400 },
	{ 0x00870500, 0x00000400 },
	{ 0x00920000, 0x00000031 },
	{ 0x00935000, 0x000000c3 },
	{ 0x00936000, 0x000000c3 },
	{ 0x00970500, 0x00000400 },
	{ 0x00b37000, 0x00000097 },
	{ 0x00b37200, 0x00000097 },
	{ 0x00b37300, 0x00000097 },
	{ 0x00c37000, 0x00000000 },
	{ 0x00c37100, 0x00000080 },
	{ 0x01270500, 0x00000400 },
	{ 0x01370500, 0x00000400 },
	{ 0x01371f00, 0x411111f0 },
	{ 0x01439000, 0x00000080 },
	{ 0x0143a000, 0x00000080 },
	{ 0x01470700, 0x00000000 },
	{ 0x01470500, 0x00000400 },
	{ 0x01470c00, 0x00000000 },
	{ 0x01470100, 0x00000000 },
	{ 0x01837000, 0x00000000 },
	{ 0x01870500, 0x00000400 },
	{ 0x02050000, 0x00000000 },
	{ 0x02139000, 0x00000080 },
	{ 0x0213a000, 0x00000080 },
	{ 0x02170100, 0x00000000 },
	{ 0x02170500, 0x00000400 },
	{ 0x02170700, 0x00000000 },
	{ 0x02270100, 0x00000000 },
	{ 0x02370100, 0x00000000 },
	{ 0x01870700, 0x00000020 },
	{ 0x00830000, 0x000000c3 },
	{ 0x00930000, 0x000000c3 },
	{ 0x01270700, 0x00000000 },
};

static bool rt286_volatile_register(struct device *dev, unsigned int reg)
{
	switch (reg) {
	case 0 ... 0xff:
	case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
	case RT286_GET_HP_SENSE:
	case RT286_GET_MIC1_SENSE:
	case RT286_PROC_COEF:
		return true;
	default:
		return false;
	}


}

static bool rt286_readable_register(struct device *dev, unsigned int reg)
{
	switch (reg) {
	case 0 ... 0xff:
	case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
	case RT286_GET_HP_SENSE:
	case RT286_GET_MIC1_SENSE:
	case RT286_SET_AUDIO_POWER:
	case RT286_SET_HPO_POWER:
	case RT286_SET_SPK_POWER:
	case RT286_SET_DMIC1_POWER:
	case RT286_SPK_MUX:
	case RT286_HPO_MUX:
	case RT286_ADC0_MUX:
	case RT286_ADC1_MUX:
	case RT286_SET_MIC1:
	case RT286_SET_PIN_HPO:
	case RT286_SET_PIN_SPK:
	case RT286_SET_PIN_DMIC1:
	case RT286_SPK_EAPD:
	case RT286_SET_AMP_GAIN_HPO:
	case RT286_SET_DMIC2_DEFAULT:
	case RT286_DACL_GAIN:
	case RT286_DACR_GAIN:
	case RT286_ADCL_GAIN:
	case RT286_ADCR_GAIN:
	case RT286_MIC_GAIN:
	case RT286_SPOL_GAIN:
	case RT286_SPOR_GAIN:
	case RT286_HPOL_GAIN:
	case RT286_HPOR_GAIN:
	case RT286_F_DAC_SWITCH:
	case RT286_F_RECMIX_SWITCH:
	case RT286_REC_MIC_SWITCH:
	case RT286_REC_I2S_SWITCH:
	case RT286_REC_LINE_SWITCH:
	case RT286_REC_BEEP_SWITCH:
	case RT286_DAC_FORMAT:
	case RT286_ADC_FORMAT:
	case RT286_COEF_INDEX:
	case RT286_PROC_COEF:
	case RT286_SET_AMP_GAIN_ADC_IN1:
	case RT286_SET_AMP_GAIN_ADC_IN2:
	case RT286_SET_POWER(RT286_DAC_OUT1):
	case RT286_SET_POWER(RT286_DAC_OUT2):
	case RT286_SET_POWER(RT286_ADC_IN1):
	case RT286_SET_POWER(RT286_ADC_IN2):
	case RT286_SET_POWER(RT286_DMIC2):
	case RT286_SET_POWER(RT286_MIC1):
		return true;
	default:
		return false;
	}
}

static int rt286_hw_write(void *context, unsigned int reg, unsigned int value)
{
	struct i2c_client *client = context;
	struct rt286_priv *rt286 = i2c_get_clientdata(client);
	u8 data[4];
	int ret, i;

	/*handle index registers*/
	if (reg <= 0xff) {
		rt286_hw_write(client, RT286_COEF_INDEX, reg);
		for (i = 0; i < INDEX_CACHE_SIZE; i++) {
			if (reg == rt286->index_cache[i].reg) {
				rt286->index_cache[i].def = value;
				break;
			}

		}
		reg = RT286_PROC_COEF;
	}

	data[0] = (reg >> 24) & 0xff;
	data[1] = (reg >> 16) & 0xff;
	/*
	 * 4 bit VID: reg should be 0
	 * 12 bit VID: value should be 0
	 * So we use an OR operator to handle it rather than use if condition.
	 */
	data[2] = ((reg >> 8) & 0xff) | ((value >> 8) & 0xff);
	data[3] = value & 0xff;

	ret = i2c_master_send(client, data, 4);

	if (ret == 4)
		return 0;
	else
		pr_err("ret=%d\n", ret);
	if (ret < 0)
		return ret;
	else
		return -EIO;
}

static int rt286_hw_read(void *context, unsigned int reg, unsigned int *value)
{
	struct i2c_client *client = context;
	struct i2c_msg xfer[2];
	int ret;
	__be32 be_reg;
	unsigned int index, vid, buf = 0x0;

	/*handle index registers*/
	if (reg <= 0xff) {
		rt286_hw_write(client, RT286_COEF_INDEX, reg);
		reg = RT286_PROC_COEF;
	}

	reg = reg | 0x80000;
	vid = (reg >> 8) & 0xfff;

	if (AC_VERB_GET_AMP_GAIN_MUTE == (vid & 0xf00)) {
		index = (reg >> 8) & 0xf;
		reg = (reg & ~0xf0f) | index;
	}
	be_reg = cpu_to_be32(reg);

	/* Write register */
	xfer[0].addr = client->addr;
	xfer[0].flags = 0;
	xfer[0].len = 4;
	xfer[0].buf = (u8 *)&be_reg;

	/* Read data */
	xfer[1].addr = client->addr;
	xfer[1].flags = I2C_M_RD;
	xfer[1].len = 4;
	xfer[1].buf = (u8 *)&buf;

	ret = i2c_transfer(client->adapter, xfer, 2);
	if (ret < 0)
		return ret;
	else if (ret != 2)
		return -EIO;

	*value = be32_to_cpu(buf);

	return 0;
}

static void rt286_index_sync(struct snd_soc_codec *codec)
{
	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
	int i;

	for (i = 0; i < INDEX_CACHE_SIZE; i++) {
		snd_soc_write(codec, rt286->index_cache[i].reg,
				  rt286->index_cache[i].def);
	}
}

static int rt286_support_power_controls[] = {
	RT286_DAC_OUT1,
	RT286_DAC_OUT2,
	RT286_ADC_IN1,
	RT286_ADC_IN2,
	RT286_MIC1,
	RT286_DMIC1,
	RT286_DMIC2,
	RT286_SPK_OUT,
	RT286_HP_OUT,
};
#define RT286_POWER_REG_LEN ARRAY_SIZE(rt286_support_power_controls)

static int rt286_jack_detect(struct rt286_priv *rt286, bool *hp, bool *mic)
{
	unsigned int val, buf;
	int i;

	*hp = false;
	*mic = false;

	if (rt286->pdata.cbj_en) {
		regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf);
		*hp = buf & 0x80000000;
		if (*hp) {
			/* power on HV,VERF */
			regmap_update_bits(rt286->regmap,
				RT286_POWER_CTRL1, 0x1001, 0x0);
			/* power LDO1 */
			regmap_update_bits(rt286->regmap,
				RT286_POWER_CTRL2, 0x4, 0x4);
			regmap_write(rt286->regmap, RT286_SET_MIC1, 0x24);
			regmap_read(rt286->regmap, RT286_CBJ_CTRL2, &val);

			msleep(200);
			i = 40;
			while (((val & 0x0800) == 0) && (i > 0)) {
				regmap_read(rt286->regmap,
					RT286_CBJ_CTRL2, &val);
				i--;
				msleep(20);
			}

			if (0x0400 == (val & 0x0700)) {
				*mic = false;

				regmap_write(rt286->regmap,
					RT286_SET_MIC1, 0x20);
				/* power off HV,VERF */
				regmap_update_bits(rt286->regmap,
					RT286_POWER_CTRL1, 0x1001, 0x1001);
				regmap_update_bits(rt286->regmap,
					RT286_A_BIAS_CTRL3, 0xc000, 0x0000);
				regmap_update_bits(rt286->regmap,
					RT286_CBJ_CTRL1, 0x0030, 0x0000);
				regmap_update_bits(rt286->regmap,
					RT286_A_BIAS_CTRL2, 0xc000, 0x0000);
			} else if ((0x0200 == (val & 0x0700)) ||
				(0x0100 == (val & 0x0700))) {
				*mic = true;
				regmap_update_bits(rt286->regmap,
					RT286_A_BIAS_CTRL3, 0xc000, 0x8000);
				regmap_update_bits(rt286->regmap,
					RT286_CBJ_CTRL1, 0x0030, 0x0020);
				regmap_update_bits(rt286->regmap,
					RT286_A_BIAS_CTRL2, 0xc000, 0x8000);
			} else {
				*mic = false;
			}

			regmap_update_bits(rt286->regmap,
						RT286_MISC_CTRL1,
						0x0060, 0x0000);
		} else {
			regmap_update_bits(rt286->regmap,
						RT286_MISC_CTRL1,
						0x0060, 0x0020);
			regmap_update_bits(rt286->regmap,
						RT286_A_BIAS_CTRL3,
						0xc000, 0x8000);
			regmap_update_bits(rt286->regmap,
						RT286_CBJ_CTRL1,
						0x0030, 0x0020);
			regmap_update_bits(rt286->regmap,
						RT286_A_BIAS_CTRL2,
						0xc000, 0x8000);

			*mic = false;
		}
	} else {
		regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf);
		*hp = buf & 0x80000000;
		regmap_read(rt286->regmap, RT286_GET_MIC1_SENSE, &buf);
		*mic = buf & 0x80000000;
	}

	return 0;
}

static void rt286_jack_detect_work(struct work_struct *work)
{
	struct rt286_priv *rt286 =
		container_of(work, struct rt286_priv, jack_detect_work.work);
	int status = 0;
	bool hp = false;
	bool mic = false;

	rt286_jack_detect(rt286, &hp, &mic);

	if (hp == true)
		status |= SND_JACK_HEADPHONE;

	if (mic == true)
		status |= SND_JACK_MICROPHONE;

	snd_soc_jack_report(rt286->jack, status,
		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
}

int rt286_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
{
	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);

	rt286->jack = jack;

	/* Send an initial empty report */
	snd_soc_jack_report(rt286->jack, 0,
		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);

	return 0;
}
EXPORT_SYMBOL_GPL(rt286_mic_detect);

static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);

static const struct snd_kcontrol_new rt286_snd_controls[] = {
	SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT286_DACL_GAIN,
			    RT286_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
	SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT286_ADCL_GAIN,
			    RT286_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
	SOC_SINGLE_TLV("AMIC Volume", RT286_MIC_GAIN,
			    0, 0x3, 0, mic_vol_tlv),
	SOC_DOUBLE_R("Speaker Playback Switch", RT286_SPOL_GAIN,
			    RT286_SPOR_GAIN, RT286_MUTE_SFT, 1, 1),
};

/* Digital Mixer */
static const struct snd_kcontrol_new rt286_front_mix[] = {
	SOC_DAPM_SINGLE("DAC Switch",  RT286_F_DAC_SWITCH,
			RT286_MUTE_SFT, 1, 1),
	SOC_DAPM_SINGLE("RECMIX Switch", RT286_F_RECMIX_SWITCH,
			RT286_MUTE_SFT, 1, 1),
};

/* Analog Input Mixer */
static const struct snd_kcontrol_new rt286_rec_mix[] = {
	SOC_DAPM_SINGLE("Mic1 Switch", RT286_REC_MIC_SWITCH,
			RT286_MUTE_SFT, 1, 1),
	SOC_DAPM_SINGLE("I2S Switch", RT286_REC_I2S_SWITCH,
			RT286_MUTE_SFT, 1, 1),
	SOC_DAPM_SINGLE("Line1 Switch", RT286_REC_LINE_SWITCH,
			RT286_MUTE_SFT, 1, 1),
	SOC_DAPM_SINGLE("Beep Switch", RT286_REC_BEEP_SWITCH,
			RT286_MUTE_SFT, 1, 1),
};

static const struct snd_kcontrol_new spo_enable_control =
	SOC_DAPM_SINGLE("Switch", RT286_SET_PIN_SPK,
			RT286_SET_PIN_SFT, 1, 0);

static const struct snd_kcontrol_new hpol_enable_control =
	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOL_GAIN,
			RT286_MUTE_SFT, 1, 1);

static const struct snd_kcontrol_new hpor_enable_control =
	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOR_GAIN,
			RT286_MUTE_SFT, 1, 1);

/* ADC0 source */
static const char * const rt286_adc_src[] = {
	"Mic", "RECMIX", "Dmic"
};

static const int rt286_adc_values[] = {
	0, 4, 5,
};

static SOC_VALUE_ENUM_SINGLE_DECL(
	rt286_adc0_enum, RT286_ADC0_MUX, RT286_ADC_SEL_SFT,
	RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);

static const struct snd_kcontrol_new rt286_adc0_mux =
	SOC_DAPM_ENUM("ADC 0 source", rt286_adc0_enum);

static SOC_VALUE_ENUM_SINGLE_DECL(
	rt286_adc1_enum, RT286_ADC1_MUX, RT286_ADC_SEL_SFT,
	RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);

static const struct snd_kcontrol_new rt286_adc1_mux =
	SOC_DAPM_ENUM("ADC 1 source", rt286_adc1_enum);

static const char * const rt286_dac_src[] = {
	"Front", "Surround"
};
/* HP-OUT source */
static SOC_ENUM_SINGLE_DECL(rt286_hpo_enum, RT286_HPO_MUX,
				0, rt286_dac_src);

static const struct snd_kcontrol_new rt286_hpo_mux =
SOC_DAPM_ENUM("HPO source", rt286_hpo_enum);

/* SPK-OUT source */
static SOC_ENUM_SINGLE_DECL(rt286_spo_enum, RT286_SPK_MUX,
				0, rt286_dac_src);

static const struct snd_kcontrol_new rt286_spo_mux =
SOC_DAPM_ENUM("SPO source", rt286_spo_enum);

static int rt286_spk_event(struct snd_soc_dapm_widget *w,
			    struct snd_kcontrol *kcontrol, int event)
{
	struct snd_soc_codec *codec = w->codec;

	switch (event) {
	case SND_SOC_DAPM_POST_PMU:
		snd_soc_write(codec,
			RT286_SPK_EAPD, RT286_SET_EAPD_HIGH);
		break;
	case SND_SOC_DAPM_PRE_PMD:
		snd_soc_write(codec,
			RT286_SPK_EAPD, RT286_SET_EAPD_LOW);
		break;

	default:
		return 0;
	}

	return 0;
}

static int rt286_set_dmic1_event(struct snd_soc_dapm_widget *w,
				  struct snd_kcontrol *kcontrol, int event)
{
	struct snd_soc_codec *codec = w->codec;

	switch (event) {
	case SND_SOC_DAPM_POST_PMU:
		snd_soc_write(codec, RT286_SET_PIN_DMIC1, 0x20);
		break;
	case SND_SOC_DAPM_PRE_PMD:
		snd_soc_write(codec, RT286_SET_PIN_DMIC1, 0);
		break;
	default:
		return 0;
	}

	return 0;
}

static int rt286_adc_event(struct snd_soc_dapm_widget *w,
			     struct snd_kcontrol *kcontrol, int event)
{
	struct snd_soc_codec *codec = w->codec;
	unsigned int nid;

	nid = (w->reg >> 20) & 0xff;

	switch (event) {
	case SND_SOC_DAPM_POST_PMU:
		snd_soc_update_bits(codec,
			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
			0x7080, 0x7000);
		break;
	case SND_SOC_DAPM_PRE_PMD:
		snd_soc_update_bits(codec,
			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
			0x7080, 0x7080);
		break;
	default:
		return 0;
	}

	return 0;
}

static const struct snd_soc_dapm_widget rt286_dapm_widgets[] = {
	/* Input Lines */
	SND_SOC_DAPM_INPUT("DMIC1 Pin"),
	SND_SOC_DAPM_INPUT("DMIC2 Pin"),
	SND_SOC_DAPM_INPUT("MIC1"),
	SND_SOC_DAPM_INPUT("LINE1"),
	SND_SOC_DAPM_INPUT("Beep"),

	/* DMIC */
	SND_SOC_DAPM_PGA_E("DMIC1", RT286_SET_POWER(RT286_DMIC1), 0, 1,
		NULL, 0, rt286_set_dmic1_event,
		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
	SND_SOC_DAPM_PGA("DMIC2", RT286_SET_POWER(RT286_DMIC2), 0, 1,
		NULL, 0),
	SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
		0, 0, NULL, 0),

	/* REC Mixer */
	SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
		rt286_rec_mix, ARRAY_SIZE(rt286_rec_mix)),

	/* ADCs */
	SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),

	/* ADC Mux */
	SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT286_SET_POWER(RT286_ADC_IN1), 0, 1,
		&rt286_adc0_mux, rt286_adc_event, SND_SOC_DAPM_PRE_PMD |
		SND_SOC_DAPM_POST_PMU),
	SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT286_SET_POWER(RT286_ADC_IN2), 0, 1,
		&rt286_adc1_mux, rt286_adc_event, SND_SOC_DAPM_PRE_PMD |
		SND_SOC_DAPM_POST_PMU),

	/* Audio Interface */
	SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),

	/* Output Side */
	/* DACs */
	SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),

	/* Output Mux */
	SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt286_spo_mux),
	SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt286_hpo_mux),

	SND_SOC_DAPM_SUPPLY("HP Power", RT286_SET_PIN_HPO,
		RT286_SET_PIN_SFT, 0, NULL, 0),

	/* Output Mixer */
	SND_SOC_DAPM_MIXER("Front", RT286_SET_POWER(RT286_DAC_OUT1), 0, 1,
			rt286_front_mix, ARRAY_SIZE(rt286_front_mix)),
	SND_SOC_DAPM_PGA("Surround", RT286_SET_POWER(RT286_DAC_OUT2), 0, 1,
			NULL, 0),

	/* Output Pga */
	SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
		&spo_enable_control, rt286_spk_event,
		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
	SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
		&hpol_enable_control),
	SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
		&hpor_enable_control),

	/* Output Lines */
	SND_SOC_DAPM_OUTPUT("SPOL"),
	SND_SOC_DAPM_OUTPUT("SPOR"),
	SND_SOC_DAPM_OUTPUT("HPO Pin"),
	SND_SOC_DAPM_OUTPUT("SPDIF"),
};

static const struct snd_soc_dapm_route rt286_dapm_routes[] = {
	{"DMIC1", NULL, "DMIC1 Pin"},
	{"DMIC2", NULL, "DMIC2 Pin"},
	{"DMIC1", NULL, "DMIC Receiver"},
	{"DMIC2", NULL, "DMIC Receiver"},

	{"RECMIX", "Beep Switch", "Beep"},
	{"RECMIX", "Line1 Switch", "LINE1"},
	{"RECMIX", "Mic1 Switch", "MIC1"},

	{"ADC 0 Mux", "Dmic", "DMIC1"},
	{"ADC 0 Mux", "RECMIX", "RECMIX"},
	{"ADC 0 Mux", "Mic", "MIC1"},
	{"ADC 1 Mux", "Dmic", "DMIC2"},
	{"ADC 1 Mux", "RECMIX", "RECMIX"},
	{"ADC 1 Mux", "Mic", "MIC1"},

	{"ADC 0", NULL, "ADC 0 Mux"},
	{"ADC 1", NULL, "ADC 1 Mux"},

	{"AIF1TX", NULL, "ADC 0"},
	{"AIF2TX", NULL, "ADC 1"},

	{"DAC 0", NULL, "AIF1RX"},
	{"DAC 1", NULL, "AIF2RX"},

	{"Front", "DAC Switch", "DAC 0"},
	{"Front", "RECMIX Switch", "RECMIX"},

	{"Surround", NULL, "DAC 1"},

	{"SPK Mux", "Front", "Front"},
	{"SPK Mux", "Surround", "Surround"},

	{"HPO Mux", "Front", "Front"},
	{"HPO Mux", "Surround", "Surround"},

	{"SPO", "Switch", "SPK Mux"},
	{"HPO L", "Switch", "HPO Mux"},
	{"HPO R", "Switch", "HPO Mux"},
	{"HPO L", NULL, "HP Power"},
	{"HPO R", NULL, "HP Power"},

	{"SPOL", NULL, "SPO"},
	{"SPOR", NULL, "SPO"},
	{"HPO Pin", NULL, "HPO L"},
	{"HPO Pin", NULL, "HPO R"},
};

static int rt286_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;
	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
	unsigned int val = 0;
	int d_len_code;

	switch (params_rate(params)) {
	/* bit 14 0:48K 1:44.1K */
	case 44100:
		val |= 0x4000;
		break;
	case 48000:
		break;
	default:
		dev_err(codec->dev, "Unsupported sample rate %d\n",
					params_rate(params));
		return -EINVAL;
	}
	switch (rt286->sys_clk) {
	case 12288000:
	case 24576000:
		if (params_rate(params) != 48000) {
			dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
					params_rate(params), rt286->sys_clk);
			return -EINVAL;
		}
		break;
	case 11289600:
	case 22579200:
		if (params_rate(params) != 44100) {
			dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
					params_rate(params), rt286->sys_clk);
			return -EINVAL;
		}
		break;
	}

	if (params_channels(params) <= 16) {
		/* bit 3:0 Number of Channel */
		val |= (params_channels(params) - 1);
	} else {
		dev_err(codec->dev, "Unsupported channels %d\n",
					params_channels(params));
		return -EINVAL;
	}

	d_len_code = 0;
	switch (params_width(params)) {
	/* bit 6:4 Bits per Sample */
	case 16:
		d_len_code = 0;
		val |= (0x1 << 4);
		break;
	case 32:
		d_len_code = 2;
		val |= (0x4 << 4);
		break;
	case 20:
		d_len_code = 1;
		val |= (0x2 << 4);
		break;
	case 24:
		d_len_code = 2;
		val |= (0x3 << 4);
		break;
	case 8:
		d_len_code = 3;
		break;
	default:
		return -EINVAL;
	}

	snd_soc_update_bits(codec,
		RT286_I2S_CTRL1, 0x0018, d_len_code << 3);
	dev_dbg(codec->dev, "format val = 0x%x\n", val);

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
		snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x407f, val);
	else
		snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x407f, val);

	return 0;
}

static int rt286_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
	struct snd_soc_codec *codec = dai->codec;

	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
	case SND_SOC_DAIFMT_CBM_CFM:
		snd_soc_update_bits(codec,
			RT286_I2S_CTRL1, 0x800, 0x800);
		break;
	case SND_SOC_DAIFMT_CBS_CFS:
		snd_soc_update_bits(codec,
			RT286_I2S_CTRL1, 0x800, 0x0);
		break;
	default:
		return -EINVAL;
	}

	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
	case SND_SOC_DAIFMT_I2S:
		snd_soc_update_bits(codec,
			RT286_I2S_CTRL1, 0x300, 0x0);
		break;
	case SND_SOC_DAIFMT_LEFT_J:
		snd_soc_update_bits(codec,
			RT286_I2S_CTRL1, 0x300, 0x1 << 8);
		break;
	case SND_SOC_DAIFMT_DSP_A:
		snd_soc_update_bits(codec,
			RT286_I2S_CTRL1, 0x300, 0x2 << 8);
		break;
	case SND_SOC_DAIFMT_DSP_B:
		snd_soc_update_bits(codec,
			RT286_I2S_CTRL1, 0x300, 0x3 << 8);
		break;
	default:
		return -EINVAL;
	}
	/* bit 15 Stream Type 0:PCM 1:Non-PCM */
	snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x8000, 0);
	snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x8000, 0);

	return 0;
}

static int rt286_set_dai_sysclk(struct snd_soc_dai *dai,
				int clk_id, unsigned int freq, int dir)
{
	struct snd_soc_codec *codec = dai->codec;
	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);

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

	if (RT286_SCLK_S_MCLK == clk_id) {
		snd_soc_update_bits(codec,
			RT286_I2S_CTRL2, 0x0100, 0x0);
		snd_soc_update_bits(codec,
			RT286_PLL_CTRL1, 0x20, 0x20);
	} else {
		snd_soc_update_bits(codec,
			RT286_I2S_CTRL2, 0x0100, 0x0100);
		snd_soc_update_bits(codec,
			RT286_PLL_CTRL, 0x4, 0x4);
		snd_soc_update_bits(codec,
			RT286_PLL_CTRL1, 0x20, 0x0);
	}

	switch (freq) {
	case 19200000:
		if (RT286_SCLK_S_MCLK == clk_id) {
			dev_err(codec->dev, "Should not use MCLK\n");
			return -EINVAL;
		}
		snd_soc_update_bits(codec,
			RT286_I2S_CTRL2, 0x40, 0x40);
		break;
	case 24000000:
		if (RT286_SCLK_S_MCLK == clk_id) {
			dev_err(codec->dev, "Should not use MCLK\n");
			return -EINVAL;
		}
		snd_soc_update_bits(codec,
			RT286_I2S_CTRL2, 0x40, 0x0);
		break;
	case 12288000:
	case 11289600:
		snd_soc_update_bits(codec,
			RT286_I2S_CTRL2, 0x8, 0x0);
		snd_soc_update_bits(codec,
			RT286_CLK_DIV, 0xfc1e, 0x0004);
		break;
	case 24576000:
	case 22579200:
		snd_soc_update_bits(codec,
			RT286_I2S_CTRL2, 0x8, 0x8);
		snd_soc_update_bits(codec,
			RT286_CLK_DIV, 0xfc1e, 0x5406);
		break;
	default:
		dev_err(codec->dev, "Unsupported system clock\n");
		return -EINVAL;
	}

	rt286->sys_clk = freq;

	return 0;
}

static int rt286_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
{
	struct snd_soc_codec *codec = dai->codec;

	dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
	if (50 == ratio)
		snd_soc_update_bits(codec,
			RT286_I2S_CTRL1, 0x1000, 0x1000);
	else
		snd_soc_update_bits(codec,
			RT286_I2S_CTRL1, 0x1000, 0x0);


	return 0;
}

static int rt286_set_bias_level(struct snd_soc_codec *codec,
				 enum snd_soc_bias_level level)
{
	switch (level) {
	case SND_SOC_BIAS_PREPARE:
		if (SND_SOC_BIAS_STANDBY == codec->dapm.bias_level) {
			snd_soc_write(codec,
				RT286_SET_AUDIO_POWER, AC_PWRST_D0);
			snd_soc_update_bits(codec,
				RT286_DC_GAIN, 0x200, 0x200);
		}
		break;

	case SND_SOC_BIAS_ON:
		mdelay(10);
		break;

	case SND_SOC_BIAS_STANDBY:
		snd_soc_write(codec,
			RT286_SET_AUDIO_POWER, AC_PWRST_D3);
		snd_soc_update_bits(codec,
			RT286_DC_GAIN, 0x200, 0x0);
		break;

	default:
		break;
	}
	codec->dapm.bias_level = level;

	return 0;
}

static irqreturn_t rt286_irq(int irq, void *data)
{
	struct rt286_priv *rt286 = data;
	bool hp = false;
	bool mic = false;
	int status = 0;

	rt286_jack_detect(rt286, &hp, &mic);

	/* Clear IRQ */
	regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x1, 0x1);

	if (hp == true)
		status |= SND_JACK_HEADPHONE;

	if (mic == true)
		status |= SND_JACK_MICROPHONE;

	snd_soc_jack_report(rt286->jack, status,
		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);

	pm_wakeup_event(&rt286->i2c->dev, 300);

	return IRQ_HANDLED;
}

static int rt286_probe(struct snd_soc_codec *codec)
{
	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);

	codec->dapm.bias_level = SND_SOC_BIAS_OFF;

	if (rt286->i2c->irq) {
		regmap_update_bits(rt286->regmap,
					RT286_IRQ_CTRL, 0x2, 0x2);

		INIT_DELAYED_WORK(&rt286->jack_detect_work,
					rt286_jack_detect_work);
		schedule_delayed_work(&rt286->jack_detect_work,
					msecs_to_jiffies(1250));
	}

	return 0;
}

static int rt286_remove(struct snd_soc_codec *codec)
{
	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);

	cancel_delayed_work_sync(&rt286->jack_detect_work);

	return 0;
}

#ifdef CONFIG_PM
static int rt286_suspend(struct snd_soc_codec *codec)
{
	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);

	regcache_cache_only(rt286->regmap, true);
	regcache_mark_dirty(rt286->regmap);

	return 0;
}

static int rt286_resume(struct snd_soc_codec *codec)
{
	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);

	regcache_cache_only(rt286->regmap, false);
	rt286_index_sync(codec);
	regcache_sync(rt286->regmap);

	return 0;
}
#else
#define rt286_suspend NULL
#define rt286_resume NULL
#endif

#define RT286_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
#define RT286_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)

static const struct snd_soc_dai_ops rt286_aif_dai_ops = {
	.hw_params = rt286_hw_params,
	.set_fmt = rt286_set_dai_fmt,
	.set_sysclk = rt286_set_dai_sysclk,
	.set_bclk_ratio = rt286_set_bclk_ratio,
};

static struct snd_soc_dai_driver rt286_dai[] = {
	{
		.name = "rt286-aif1",
		.id = RT286_AIF1,
		.playback = {
			.stream_name = "AIF1 Playback",
			.channels_min = 1,
			.channels_max = 2,
			.rates = RT286_STEREO_RATES,
			.formats = RT286_FORMATS,
		},
		.capture = {
			.stream_name = "AIF1 Capture",
			.channels_min = 1,
			.channels_max = 2,
			.rates = RT286_STEREO_RATES,
			.formats = RT286_FORMATS,
		},
		.ops = &rt286_aif_dai_ops,
		.symmetric_rates = 1,
	},
	{
		.name = "rt286-aif2",
		.id = RT286_AIF2,
		.playback = {
			.stream_name = "AIF2 Playback",
			.channels_min = 1,
			.channels_max = 2,
			.rates = RT286_STEREO_RATES,
			.formats = RT286_FORMATS,
		},
		.capture = {
			.stream_name = "AIF2 Capture",
			.channels_min = 1,
			.channels_max = 2,
			.rates = RT286_STEREO_RATES,
			.formats = RT286_FORMATS,
		},
		.ops = &rt286_aif_dai_ops,
		.symmetric_rates = 1,
	},

};

static struct snd_soc_codec_driver soc_codec_dev_rt286 = {
	.probe = rt286_probe,
	.remove = rt286_remove,
	.suspend = rt286_suspend,
	.resume = rt286_resume,
	.set_bias_level = rt286_set_bias_level,
	.idle_bias_off = true,
	.controls = rt286_snd_controls,
	.num_controls = ARRAY_SIZE(rt286_snd_controls),
	.dapm_widgets = rt286_dapm_widgets,
	.num_dapm_widgets = ARRAY_SIZE(rt286_dapm_widgets),
	.dapm_routes = rt286_dapm_routes,
	.num_dapm_routes = ARRAY_SIZE(rt286_dapm_routes),
};

static const struct regmap_config rt286_regmap = {
	.reg_bits = 32,
	.val_bits = 32,
	.max_register = 0x02370100,
	.volatile_reg = rt286_volatile_register,
	.readable_reg = rt286_readable_register,
	.reg_write = rt286_hw_write,
	.reg_read = rt286_hw_read,
	.cache_type = REGCACHE_RBTREE,
	.reg_defaults = rt286_reg,
	.num_reg_defaults = ARRAY_SIZE(rt286_reg),
};

static const struct i2c_device_id rt286_i2c_id[] = {
	{"rt286", 0},
	{}
};
MODULE_DEVICE_TABLE(i2c, rt286_i2c_id);

static const struct acpi_device_id rt286_acpi_match[] = {
	{ "INT343A", 0 },
	{},
};
MODULE_DEVICE_TABLE(acpi, rt286_acpi_match);

static int rt286_i2c_probe(struct i2c_client *i2c,
			   const struct i2c_device_id *id)
{
	struct rt286_platform_data *pdata = dev_get_platdata(&i2c->dev);
	struct rt286_priv *rt286;
	int i, ret;

	rt286 = devm_kzalloc(&i2c->dev,	sizeof(*rt286),
				GFP_KERNEL);
	if (NULL == rt286)
		return -ENOMEM;

	rt286->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt286_regmap);
	if (IS_ERR(rt286->regmap)) {
		ret = PTR_ERR(rt286->regmap);
		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
			ret);
		return ret;
	}

	regmap_read(rt286->regmap,
		RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
	if (ret != RT286_VENDOR_ID) {
		dev_err(&i2c->dev,
			"Device with ID register %x is not rt286\n", ret);
		return -ENODEV;
	}

	rt286->index_cache = rt286_index_def;
	rt286->i2c = i2c;
	i2c_set_clientdata(i2c, rt286);

	if (pdata)
		rt286->pdata = *pdata;

	regmap_write(rt286->regmap, RT286_SET_AUDIO_POWER, AC_PWRST_D3);

	for (i = 0; i < RT286_POWER_REG_LEN; i++)
		regmap_write(rt286->regmap,
			RT286_SET_POWER(rt286_support_power_controls[i]),
			AC_PWRST_D1);

	if (!rt286->pdata.cbj_en) {
		regmap_write(rt286->regmap, RT286_CBJ_CTRL2, 0x0000);
		regmap_write(rt286->regmap, RT286_MIC1_DET_CTRL, 0x0816);
		regmap_write(rt286->regmap, RT286_MISC_CTRL1, 0x0000);
		regmap_update_bits(rt286->regmap,
					RT286_CBJ_CTRL1, 0xf000, 0xb000);
	} else {
		regmap_update_bits(rt286->regmap,
					RT286_CBJ_CTRL1, 0xf000, 0x5000);
	}

	mdelay(10);

	if (!rt286->pdata.gpio2_en)
		regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0x4000);
	else
		regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0);

	mdelay(10);

	/*Power down LDO2*/
	regmap_update_bits(rt286->regmap, RT286_POWER_CTRL2, 0x8, 0x0);

	/*Set depop parameter*/
	regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL2, 0x403a, 0x401a);
	regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL3, 0xf777, 0x4737);
	regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL4, 0x00ff, 0x003f);

	if (rt286->i2c->irq) {
		ret = request_threaded_irq(rt286->i2c->irq, NULL, rt286_irq,
			IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt286", rt286);
		if (ret != 0) {
			dev_err(&i2c->dev,
				"Failed to reguest IRQ: %d\n", ret);
			return ret;
		}
	}

	ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt286,
				     rt286_dai, ARRAY_SIZE(rt286_dai));

	return ret;
}

static int rt286_i2c_remove(struct i2c_client *i2c)
{
	struct rt286_priv *rt286 = i2c_get_clientdata(i2c);

	if (i2c->irq)
		free_irq(i2c->irq, rt286);
	snd_soc_unregister_codec(&i2c->dev);

	return 0;
}


static struct i2c_driver rt286_i2c_driver = {
	.driver = {
		   .name = "rt286",
		   .owner = THIS_MODULE,
		   .acpi_match_table = ACPI_PTR(rt286_acpi_match),
		   },
	.probe = rt286_i2c_probe,
	.remove = rt286_i2c_remove,
	.id_table = rt286_i2c_id,
};

module_i2c_driver(rt286_i2c_driver);

MODULE_DESCRIPTION("ASoC RT286 driver");
MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
MODULE_LICENSE("GPL");