summaryrefslogtreecommitdiff
path: root/sound/soc/codecs/es8326.c
blob: 9ddf6a35e91c43f0984bae0ead0959ef67735a6b (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
// SPDX-License-Identifier: GPL-2.0-only
//
// es8326.c -- es8326 ALSA SoC audio driver
// Copyright Everest Semiconductor Co., Ltd
//
// Authors: David Yang <yangxiaohua@everest-semi.com>
//

#include <linux/clk.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/module.h>
#include <sound/jack.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
#include "es8326.h"

struct es8326_priv {
	struct clk *mclk;
	struct i2c_client *i2c;
	struct regmap *regmap;
	struct snd_soc_component *component;
	struct delayed_work jack_detect_work;
	struct delayed_work button_press_work;
	struct snd_soc_jack *jack;
	int irq;
	/* The lock protects the situation that an irq is generated
	 * while enabling or disabling or during an irq.
	 */
	struct mutex lock;
	u8 mic1_src;
	u8 mic2_src;
	u8 jack_pol;
	u8 interrupt_src;
	u8 interrupt_clk;
	bool jd_inverted;
	unsigned int sysclk;
};

static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(dac_vol_tlv, -9550, 50, 0);
static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_vol_tlv, -9550, 50, 0);
static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_analog_pga_tlv, 0, 300, 0);
static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_pga_tlv, 0, 600, 0);
static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(softramp_rate, 0, 100, 0);
static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(drc_target_tlv, -3200, 200, 0);
static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(drc_recovery_tlv, -125, 250, 0);

static const char *const winsize[] = {
	"0.25db/2  LRCK",
	"0.25db/4  LRCK",
	"0.25db/8  LRCK",
	"0.25db/16  LRCK",
	"0.25db/32  LRCK",
	"0.25db/64  LRCK",
	"0.25db/128  LRCK",
	"0.25db/256  LRCK",
	"0.25db/512  LRCK",
	"0.25db/1024  LRCK",
	"0.25db/2048  LRCK",
	"0.25db/4096  LRCK",
	"0.25db/8192  LRCK",
	"0.25db/16384  LRCK",
	"0.25db/32768  LRCK",
	"0.25db/65536  LRCK",
};

static const char *const dacpol_txt[] =	{
	"Normal", "R Invert", "L Invert", "L + R Invert" };

static const struct soc_enum dacpol =
	SOC_ENUM_SINGLE(ES8326_DAC_DSM, 4, 4, dacpol_txt);
static const struct soc_enum alc_winsize =
	SOC_ENUM_SINGLE(ES8326_ADC_RAMPRATE, 4, 16, winsize);
static const struct soc_enum drc_winsize =
	SOC_ENUM_SINGLE(ES8326_DRC_WINSIZE, 4, 16, winsize);

static const struct snd_kcontrol_new es8326_snd_controls[] = {
	SOC_SINGLE_TLV("DAC Playback Volume", ES8326_DAC_VOL, 0, 0xbf, 0, dac_vol_tlv),
	SOC_ENUM("Playback Polarity", dacpol),
	SOC_SINGLE_TLV("DAC Ramp Rate", ES8326_DAC_RAMPRATE, 0, 0x0f, 0, softramp_rate),
	SOC_SINGLE_TLV("DRC Recovery Level", ES8326_DRC_RECOVERY, 0, 4, 0, drc_recovery_tlv),
	SOC_ENUM("DRC Winsize", drc_winsize),
	SOC_SINGLE_TLV("DRC Target Level", ES8326_DRC_WINSIZE, 0, 0x0f, 0, drc_target_tlv),

	SOC_DOUBLE_R_TLV("ADC Capture Volume", ES8326_ADC1_VOL, ES8326_ADC2_VOL, 0, 0xff, 0,
			 adc_vol_tlv),
	SOC_DOUBLE_TLV("ADC PGA Volume", ES8326_ADC_SCALE, 4, 0, 5, 0, adc_pga_tlv),
	SOC_SINGLE_TLV("ADC PGA Gain Volume", ES8326_PGAGAIN, 0, 10, 0, adc_analog_pga_tlv),
	SOC_SINGLE_TLV("ADC Ramp Rate", ES8326_ADC_RAMPRATE, 0, 0x0f, 0, softramp_rate),
	SOC_SINGLE("ALC Capture Switch", ES8326_ALC_RECOVERY, 3, 1, 0),
	SOC_SINGLE_TLV("ALC Capture Recovery Level", ES8326_ALC_LEVEL,
			0, 4, 0, drc_recovery_tlv),
	SOC_ENUM("ALC Capture Winsize", alc_winsize),
	SOC_SINGLE_TLV("ALC Capture Target Level", ES8326_ALC_LEVEL,
			0, 0x0f, 0, drc_target_tlv),

};

static const struct snd_soc_dapm_widget es8326_dapm_widgets[] = {
	SND_SOC_DAPM_INPUT("MIC1"),
	SND_SOC_DAPM_INPUT("MIC2"),
	SND_SOC_DAPM_INPUT("MIC3"),
	SND_SOC_DAPM_INPUT("MIC4"),

	SND_SOC_DAPM_ADC("ADC L", NULL, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_ADC("ADC R", NULL, SND_SOC_NOPM, 0, 0),

	/* Digital Interface */
	SND_SOC_DAPM_AIF_OUT("I2S OUT", "I2S1 Capture", 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("I2S IN", "I2S1 Playback", 0, SND_SOC_NOPM, 0, 0),

	/* ADC Digital Mute */
	SND_SOC_DAPM_PGA("ADC L1", ES8326_ADC_MUTE, 0, 1, NULL, 0),
	SND_SOC_DAPM_PGA("ADC R1", ES8326_ADC_MUTE, 1, 1, NULL, 0),
	SND_SOC_DAPM_PGA("ADC L2", ES8326_ADC_MUTE, 2, 1, NULL, 0),
	SND_SOC_DAPM_PGA("ADC R2", ES8326_ADC_MUTE, 3, 1, NULL, 0),

	/* Analog Power Supply*/
	SND_SOC_DAPM_DAC("Right DAC", NULL, ES8326_ANA_PDN, 0, 1),
	SND_SOC_DAPM_DAC("Left DAC", NULL, ES8326_ANA_PDN, 1, 1),
	SND_SOC_DAPM_SUPPLY("Analog Power", ES8326_ANA_PDN, 7, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("IBias Power", ES8326_ANA_PDN, 6, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("ADC Vref", ES8326_ANA_PDN, 5, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("DAC Vref", ES8326_ANA_PDN, 4, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("Vref Power", ES8326_ANA_PDN, 3, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("MICBIAS1", ES8326_ANA_MICBIAS, 2, 0, NULL, 0),
	SND_SOC_DAPM_SUPPLY("MICBIAS2", ES8326_ANA_MICBIAS, 3, 0, NULL, 0),

	SND_SOC_DAPM_PGA("LHPMIX", ES8326_DAC2HPMIX, 7, 0, NULL, 0),
	SND_SOC_DAPM_PGA("RHPMIX", ES8326_DAC2HPMIX, 3, 0, NULL, 0),

	/* Headphone Charge Pump and Output */
	SND_SOC_DAPM_SUPPLY("HPOR Cal", ES8326_HP_CAL, 7, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("HPOL Cal", ES8326_HP_CAL, 3, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("Headphone Charge Pump", ES8326_HP_DRIVER,
			    3, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("Headphone Driver Bias", ES8326_HP_DRIVER,
			    2, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("Headphone LDO", ES8326_HP_DRIVER,
			    1, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("Headphone Reference", ES8326_HP_DRIVER,
			    0, 1, NULL, 0),
	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPOR Supply", ES8326_HP_CAL,
			 ES8326_HPOR_SHIFT, 7, 7, 0),
	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPOL Supply", ES8326_HP_CAL,
			 0, 7, 7, 0),

	SND_SOC_DAPM_OUTPUT("HPOL"),
	SND_SOC_DAPM_OUTPUT("HPOR"),
};

static const struct snd_soc_dapm_route es8326_dapm_routes[] = {
	{"ADC L1", NULL, "MIC1"},
	{"ADC R1", NULL, "MIC2"},
	{"ADC L2", NULL, "MIC3"},
	{"ADC R2", NULL, "MIC4"},

	{"ADC L", NULL, "ADC L1"},
	{"ADC R", NULL, "ADC R1"},
	{"ADC L", NULL, "ADC L2"},
	{"ADC R", NULL, "ADC R2"},

	{"I2S OUT", NULL, "ADC L"},
	{"I2S OUT", NULL, "ADC R"},

	{"I2S OUT", NULL, "Analog Power"},
	{"I2S OUT", NULL, "ADC Vref"},
	{"I2S OUT", NULL, "Vref Power"},
	{"I2S OUT", NULL, "IBias Power"},
	{"I2S IN", NULL, "Analog Power"},
	{"I2S IN", NULL, "DAC Vref"},
	{"I2S IN", NULL, "Vref Power"},
	{"I2S IN", NULL, "IBias Power"},

	{"Right DAC", NULL, "I2S IN"},
	{"Left DAC", NULL, "I2S IN"},

	{"LHPMIX", NULL, "Left DAC"},
	{"RHPMIX", NULL, "Right DAC"},

	{"HPOR", NULL, "HPOR Cal"},
	{"HPOL", NULL, "HPOL Cal"},
	{"HPOR", NULL, "HPOR Supply"},
	{"HPOL", NULL, "HPOL Supply"},
	{"HPOL", NULL, "Headphone Charge Pump"},
	{"HPOR", NULL, "Headphone Charge Pump"},
	{"HPOL", NULL, "Headphone Driver Bias"},
	{"HPOR", NULL, "Headphone Driver Bias"},
	{"HPOL", NULL, "Headphone LDO"},
	{"HPOR", NULL, "Headphone LDO"},
	{"HPOL", NULL, "Headphone Reference"},
	{"HPOR", NULL, "Headphone Reference"},

	{"HPOL", NULL, "LHPMIX"},
	{"HPOR", NULL, "RHPMIX"},
};

static const struct regmap_range es8326_volatile_ranges[] = {
	regmap_reg_range(ES8326_HP_DETECT, ES8326_HP_DETECT),
};

static const struct regmap_access_table es8326_volatile_table = {
	.yes_ranges = es8326_volatile_ranges,
	.n_yes_ranges = ARRAY_SIZE(es8326_volatile_ranges),
};

static const struct regmap_config es8326_regmap_config = {
	.reg_bits = 8,
	.val_bits = 8,
	.max_register = 0xff,
	.volatile_table = &es8326_volatile_table,
	.cache_type = REGCACHE_RBTREE,
};

struct _coeff_div {
	u16 fs;
	u32 rate;
	u32 mclk;
	u8 reg4;
	u8 reg5;
	u8 reg6;
	u8 reg7;
	u8 reg8;
	u8 reg9;
	u8 rega;
	u8 regb;
};

/* codec hifi mclk clock divider coefficients */
/* {ratio, LRCK, MCLK, REG04, REG05, REG06, REG07, REG08, REG09, REG10, REG11} */
static const struct _coeff_div coeff_div[] = {
	{32, 8000, 256000, 0x60, 0x00, 0x0F, 0x75, 0x0A, 0x1B, 0x1F, 0x7F},
	{32, 16000, 512000, 0x20, 0x00, 0x0D, 0x75, 0x0A, 0x1B, 0x1F, 0x3F},
	{32, 44100, 1411200, 0x00, 0x00, 0x13, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{32, 48000, 1536000, 0x00, 0x00, 0x13, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{36, 8000, 288000, 0x20, 0x00, 0x0D, 0x75, 0x0A, 0x1B, 0x23, 0x47},
	{36, 16000, 576000, 0x20, 0x00, 0x0D, 0x75, 0x0A, 0x1B, 0x23, 0x47},
	{48, 8000, 384000, 0x60, 0x02, 0x1F, 0x75, 0x0A, 0x1B, 0x1F, 0x7F},
	{48, 16000, 768000, 0x20, 0x02, 0x0F, 0x75, 0x0A, 0x1B, 0x1F, 0x3F},
	{48, 48000, 2304000, 0x00, 0x02, 0x0D, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{64, 8000, 512000, 0x60, 0x00, 0x0D, 0x75, 0x0A, 0x1B, 0x1F, 0x7F},
	{64, 16000, 1024000, 0x20, 0x00, 0x05, 0x75, 0x0A, 0x1B, 0x1F, 0x3F},

	{64, 44100, 2822400, 0x00, 0x00, 0x11, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{64, 48000, 3072000, 0x00, 0x00, 0x11, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{72, 8000, 576000, 0x20, 0x00, 0x13, 0x35, 0x0A, 0x1B, 0x23, 0x47},
	{72, 16000, 1152000, 0x20, 0x00, 0x05, 0x75, 0x0A, 0x1B, 0x23, 0x47},
	{96, 8000, 768000, 0x60, 0x02, 0x1D, 0x75, 0x0A, 0x1B, 0x1F, 0x7F},
	{96, 16000, 1536000, 0x20, 0x02, 0x0D, 0x75, 0x0A, 0x1B, 0x1F, 0x3F},
	{100, 48000, 4800000, 0x04, 0x04, 0x3F, 0x6D, 0x38, 0x08, 0x4f, 0x1f},
	{125, 48000, 6000000, 0x04, 0x04, 0x1F, 0x2D, 0x0A, 0x0A, 0x27, 0x27},
	{128, 8000, 1024000, 0x60, 0x00, 0x13, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
	{128, 16000, 2048000, 0x20, 0x00, 0x11, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},

	{128, 44100, 5644800, 0x00, 0x00, 0x01, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{128, 48000, 6144000, 0x00, 0x00, 0x01, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{144, 8000, 1152000, 0x20, 0x00, 0x03, 0x35, 0x0A, 0x1B, 0x23, 0x47},
	{144, 16000, 2304000, 0x20, 0x00, 0x11, 0x35, 0x0A, 0x1B, 0x23, 0x47},
	{192, 8000, 1536000, 0x60, 0x02, 0x0D, 0x75, 0x0A, 0x1B, 0x1F, 0x7F},
	{192, 16000, 3072000, 0x20, 0x02, 0x05, 0x75, 0x0A, 0x1B, 0x1F, 0x3F},
	{200, 48000, 9600000, 0x04, 0x04, 0x0F, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{250, 48000, 12000000, 0x04, 0x04, 0x0F, 0x2D, 0x0A, 0x0A, 0x27, 0x27},
	{256, 8000, 2048000, 0x60, 0x00, 0x11, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
	{256, 16000, 4096000, 0x20, 0x00, 0x01, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},

	{256, 44100, 11289600, 0x00, 0x00, 0x10, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{256, 48000, 12288000, 0x00, 0x00, 0x30, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{288, 8000, 2304000, 0x20, 0x00, 0x01, 0x35, 0x0A, 0x1B, 0x23, 0x47},
	{384, 8000, 3072000, 0x60, 0x02, 0x05, 0x75, 0x0A, 0x1B, 0x1F, 0x7F},
	{384, 16000, 6144000, 0x20, 0x02, 0x03, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},
	{384, 48000, 18432000, 0x00, 0x02, 0x01, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{400, 48000, 19200000, 0x09, 0x04, 0x0f, 0x6d, 0x3a, 0x0A, 0x4F, 0x1F},
	{500, 48000, 24000000, 0x18, 0x04, 0x1F, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{512, 8000, 4096000, 0x60, 0x00, 0x01, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
	{512, 16000, 8192000, 0x20, 0x00, 0x10, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},

	{512, 44100, 22579200, 0x00, 0x00, 0x00, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{512, 48000, 24576000, 0x00, 0x00, 0x00, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{768, 8000, 6144000, 0x60, 0x02, 0x11, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
	{768, 16000, 12288000, 0x20, 0x02, 0x01, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},
	{800, 48000, 38400000, 0x00, 0x18, 0x13, 0x2D, 0x0A, 0x0A, 0x1F, 0x1F},
	{1024, 8000, 8192000, 0x60, 0x00, 0x10, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
	{1024, 16000, 16384000, 0x20, 0x00, 0x00, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},
	{1152, 16000, 18432000, 0x20, 0x08, 0x11, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},
	{1536, 8000, 12288000, 0x60, 0x02, 0x01, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},

	{1536, 16000, 24576000, 0x20, 0x02, 0x10, 0x35, 0x0A, 0x1B, 0x1F, 0x3F},
	{1625, 8000, 13000000, 0x0C, 0x18, 0x1F, 0x2D, 0x0A, 0x0A, 0x27, 0x27},
	{1625, 16000, 26000000, 0x0C, 0x18, 0x1F, 0x2D, 0x0A, 0x0A, 0x27, 0x27},
	{2048, 8000, 16384000, 0x60, 0x00, 0x00, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
	{2304, 8000, 18432000, 0x40, 0x02, 0x10, 0x35, 0x0A, 0x1B, 0x1F, 0x5F},
	{3072, 8000, 24576000, 0x60, 0x02, 0x10, 0x35, 0x0A, 0x1B, 0x1F, 0x7F},
	{3250, 8000, 26000000, 0x0C, 0x18, 0x0F, 0x2D, 0x0A, 0x0A, 0x27, 0x27},

};

static inline int get_coeff(int mclk, int rate)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(coeff_div); i++) {
		if (coeff_div[i].rate == rate && coeff_div[i].mclk == mclk)
			return i;
	}

	return -EINVAL;
}

static int es8326_set_dai_sysclk(struct snd_soc_dai *codec_dai,
				 int clk_id, unsigned int freq, int dir)
{
	struct snd_soc_component *codec = codec_dai->component;
	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(codec);

	es8326->sysclk = freq;

	return 0;
}

static int es8326_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
	struct snd_soc_component *component = codec_dai->component;
	u8 iface = 0;

	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
	case SND_SOC_DAIFMT_CBC_CFP:
		snd_soc_component_update_bits(component, ES8326_RESET,
					      ES8326_MASTER_MODE_EN, ES8326_MASTER_MODE_EN);
		break;
	case SND_SOC_DAIFMT_CBC_CFC:
		break;
	default:
		return -EINVAL;
	}

	/* interface format */
	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
	case SND_SOC_DAIFMT_I2S:
		break;
	case SND_SOC_DAIFMT_RIGHT_J:
		dev_err(component->dev, "Codec driver does not support right justified\n");
		return -EINVAL;
	case SND_SOC_DAIFMT_LEFT_J:
		iface |= ES8326_DAIFMT_LEFT_J;
		break;
	case SND_SOC_DAIFMT_DSP_A:
		iface |= ES8326_DAIFMT_DSP_A;
		break;
	case SND_SOC_DAIFMT_DSP_B:
		iface |= ES8326_DAIFMT_DSP_B;
		break;
	default:
		return -EINVAL;
	}

	snd_soc_component_update_bits(component, ES8326_FMT, ES8326_DAIFMT_MASK, iface);

	return 0;
}

static int es8326_pcm_hw_params(struct snd_pcm_substream *substream,
				struct snd_pcm_hw_params *params,
				struct snd_soc_dai *dai)
{
	struct snd_soc_component *component = dai->component;
	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);
	u8 srate = 0;
	int coeff;

	coeff = get_coeff(es8326->sysclk, params_rate(params));
	/* bit size */
	switch (params_format(params)) {
	case SNDRV_PCM_FORMAT_S16_LE:
		srate |= ES8326_S16_LE;
		break;
	case SNDRV_PCM_FORMAT_S20_3LE:
		srate |= ES8326_S20_3_LE;
		break;
	case SNDRV_PCM_FORMAT_S18_3LE:
		srate |= ES8326_S18_LE;
		break;
	case SNDRV_PCM_FORMAT_S24_LE:
		srate |= ES8326_S24_LE;
		break;
	case SNDRV_PCM_FORMAT_S32_LE:
		srate |= ES8326_S32_LE;
		break;
	default:
		return -EINVAL;
	}

	/* set iface & srate */
	snd_soc_component_update_bits(component, ES8326_FMT, ES8326_DATA_LEN_MASK, srate);

	if (coeff >= 0) {
		regmap_write(es8326->regmap,  ES8326_CLK_DIV1,
			     coeff_div[coeff].reg4);
		regmap_write(es8326->regmap,  ES8326_CLK_DIV2,
			     coeff_div[coeff].reg5);
		regmap_write(es8326->regmap,  ES8326_CLK_DLL,
			     coeff_div[coeff].reg6);
		regmap_write(es8326->regmap,  ES8326_CLK_MUX,
			     coeff_div[coeff].reg7);
		regmap_write(es8326->regmap,  ES8326_CLK_ADC_SEL,
			     coeff_div[coeff].reg8);
		regmap_write(es8326->regmap,  ES8326_CLK_DAC_SEL,
			     coeff_div[coeff].reg9);
		regmap_write(es8326->regmap,  ES8326_CLK_ADC_OSR,
			     coeff_div[coeff].rega);
		regmap_write(es8326->regmap,  ES8326_CLK_DAC_OSR,
			     coeff_div[coeff].regb);
	} else {
		dev_warn(component->dev, "Clock coefficients do not match");
	}

	return 0;
}

static int es8326_set_bias_level(struct snd_soc_component *codec,
				 enum snd_soc_bias_level level)
{
	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(codec);
	int ret;

	switch (level) {
	case SND_SOC_BIAS_ON:
		ret = clk_prepare_enable(es8326->mclk);
		if (ret)
			return ret;
		regmap_write(es8326->regmap, ES8326_RESET, ES8326_PWRUP_SEQ_EN);
		regmap_write(es8326->regmap, ES8326_INTOUT_IO, 0x45);
		regmap_write(es8326->regmap, ES8326_SDINOUT1_IO,
			    (ES8326_IO_DMIC_CLK << ES8326_SDINOUT1_SHIFT));
		regmap_write(es8326->regmap, ES8326_SDINOUT23_IO, ES8326_IO_INPUT);
		regmap_write(es8326->regmap, ES8326_CLK_RESAMPLE, 0x05);
		regmap_write(es8326->regmap, ES8326_VMIDSEL, 0x02);
		regmap_write(es8326->regmap, ES8326_PGA_PDN, 0x40);
		regmap_write(es8326->regmap, ES8326_DAC2HPMIX, 0xAA);
		regmap_write(es8326->regmap, ES8326_RESET, ES8326_CSM_ON);
		break;
	case SND_SOC_BIAS_PREPARE:
		break;
	case SND_SOC_BIAS_STANDBY:
		break;
	case SND_SOC_BIAS_OFF:
		clk_disable_unprepare(es8326->mclk);
		regmap_write(es8326->regmap, ES8326_DAC2HPMIX, 0x11);
		regmap_write(es8326->regmap, ES8326_RESET, ES8326_CSM_OFF);
		regmap_write(es8326->regmap, ES8326_PGA_PDN, 0xF8);
		regmap_write(es8326->regmap, ES8326_VMIDSEL, 0x00);
		regmap_write(es8326->regmap, ES8326_INT_SOURCE, 0x08);
		regmap_write(es8326->regmap, ES8326_SDINOUT1_IO, ES8326_IO_INPUT);
		regmap_write(es8326->regmap, ES8326_SDINOUT23_IO, ES8326_IO_INPUT);
		regmap_write(es8326->regmap, ES8326_RESET,
			     ES8326_CODEC_RESET | ES8326_PWRUP_SEQ_EN);
		break;
	}

	return 0;
}

#define es8326_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
	SNDRV_PCM_FMTBIT_S24_LE)

static const struct snd_soc_dai_ops es8326_ops = {
	.hw_params = es8326_pcm_hw_params,
	.set_fmt = es8326_set_dai_fmt,
	.set_sysclk = es8326_set_dai_sysclk,
};

static struct snd_soc_dai_driver es8326_dai = {
	.name = "ES8326 HiFi",
	.playback = {
		.stream_name = "Playback",
		.channels_min = 1,
		.channels_max = 2,
		.rates = SNDRV_PCM_RATE_8000_48000,
		.formats = es8326_FORMATS,
		},
	.capture = {
		.stream_name = "Capture",
		.channels_min = 1,
		.channels_max = 2,
		.rates = SNDRV_PCM_RATE_8000_48000,
		.formats = es8326_FORMATS,
		},
	.ops = &es8326_ops,
	.symmetric_rate = 1,
};

static void es8326_enable_micbias(struct snd_soc_component *component)
{
	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);

	snd_soc_dapm_mutex_lock(dapm);
	snd_soc_dapm_force_enable_pin_unlocked(dapm, "MICBIAS1");
	snd_soc_dapm_force_enable_pin_unlocked(dapm, "MICBIAS2");
	snd_soc_dapm_sync_unlocked(dapm);
	snd_soc_dapm_mutex_unlock(dapm);
}

static void es8326_disable_micbias(struct snd_soc_component *component)
{
	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);

	snd_soc_dapm_mutex_lock(dapm);
	snd_soc_dapm_disable_pin_unlocked(dapm, "MICBIAS1");
	snd_soc_dapm_disable_pin_unlocked(dapm, "MICBIAS2");
	snd_soc_dapm_sync_unlocked(dapm);
	snd_soc_dapm_mutex_unlock(dapm);
}

/*
 *	For button detection, set the following in soundcard
 *	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 *	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
 *	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
 */
static void es8326_jack_button_handler(struct work_struct *work)
{
	struct es8326_priv *es8326 =
		container_of(work, struct es8326_priv, button_press_work.work);
	struct snd_soc_component *comp = es8326->component;
	unsigned int iface;
	static int button_to_report, press_count;
	static int prev_button, cur_button;

	if (!(es8326->jack->status & SND_JACK_HEADSET)) /* Jack unplugged */
		return;

	mutex_lock(&es8326->lock);
	iface = snd_soc_component_read(comp, ES8326_HP_DETECT);
	switch (iface) {
	case 0x93:
		/* pause button detected */
		cur_button = SND_JACK_BTN_0;
		break;
	case 0x6f:
		/* button volume up */
		cur_button = SND_JACK_BTN_1;
		break;
	case 0x27:
		/* button volume down */
		cur_button = SND_JACK_BTN_2;
		break;
	case 0x1e:
		/* button released or not pressed */
		cur_button = 0;
		break;
	default:
		break;
	}

	if ((prev_button == cur_button) && (cur_button != 0)) {
		press_count++;
		if (press_count > 10) {
			/* report a press every 500ms */
			snd_soc_jack_report(es8326->jack, cur_button,
					SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2);
			press_count = 0;
		}
		button_to_report = cur_button;
		queue_delayed_work(system_wq, &es8326->button_press_work,
				   msecs_to_jiffies(50));
	} else if (prev_button != cur_button) {
		/* mismatch, detect again */
		prev_button = cur_button;
		queue_delayed_work(system_wq, &es8326->button_press_work,
				   msecs_to_jiffies(50));
	} else {
		/* released or no pressed */
		if (button_to_report != 0) {
			snd_soc_jack_report(es8326->jack, button_to_report,
				    SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2);
			snd_soc_jack_report(es8326->jack, 0,
				    SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2);
			button_to_report = 0;
		}
	}
	mutex_unlock(&es8326->lock);
}

static void es8326_jack_detect_handler(struct work_struct *work)
{
	struct es8326_priv *es8326 =
		container_of(work, struct es8326_priv, jack_detect_work.work);
	struct snd_soc_component *comp = es8326->component;
	unsigned int iface;

	mutex_lock(&es8326->lock);
	iface = snd_soc_component_read(comp, ES8326_HP_DETECT);
	dev_dbg(comp->dev, "gpio flag %#04x", iface);
	if ((iface & ES8326_HPINSERT_FLAG) == 0) {
		/* Jack unplugged or spurious IRQ */
		dev_dbg(comp->dev, "No headset detected");
		if (es8326->jack->status & SND_JACK_HEADPHONE) {
			snd_soc_jack_report(es8326->jack, 0, SND_JACK_HEADSET);
			snd_soc_component_write(comp, ES8326_ADC1_SRC, es8326->mic2_src);
			es8326_disable_micbias(comp);
		}
	} else if ((iface & ES8326_HPINSERT_FLAG) == ES8326_HPINSERT_FLAG) {
		if (es8326->jack->status & SND_JACK_HEADSET) {
			/* detect button */
			queue_delayed_work(system_wq, &es8326->button_press_work, 10);
		} else {
			if ((iface & ES8326_HPBUTTON_FLAG) == 0x00) {
				dev_dbg(comp->dev, "Headset detected");
				snd_soc_jack_report(es8326->jack,
						    SND_JACK_HEADSET, SND_JACK_HEADSET);
				snd_soc_component_write(comp,
							ES8326_ADC1_SRC, es8326->mic1_src);
			} else {
				dev_dbg(comp->dev, "Headphone detected");
				snd_soc_jack_report(es8326->jack,
						    SND_JACK_HEADPHONE, SND_JACK_HEADSET);
			}
		}
	}
	mutex_unlock(&es8326->lock);
}

static irqreturn_t es8326_irq(int irq, void *dev_id)
{
	struct es8326_priv *es8326 = dev_id;
	struct snd_soc_component *comp = es8326->component;

	if (!es8326->jack)
		goto out;

	es8326_enable_micbias(comp);

	if (es8326->jack->status & SND_JACK_HEADSET)
		queue_delayed_work(system_wq, &es8326->jack_detect_work,
				   msecs_to_jiffies(10));
	else
		queue_delayed_work(system_wq, &es8326->jack_detect_work,
				   msecs_to_jiffies(300));

out:
	return IRQ_HANDLED;
}

static int es8326_resume(struct snd_soc_component *component)
{
	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);
	unsigned int reg;

	regcache_cache_only(es8326->regmap, false);
	regcache_sync(es8326->regmap);

	regmap_write(es8326->regmap, ES8326_CLK_CTL, ES8326_CLK_ON);
	/* Two channel ADC */
	regmap_write(es8326->regmap, ES8326_PULLUP_CTL, 0x02);
	regmap_write(es8326->regmap, ES8326_CLK_INV, 0x00);
	regmap_write(es8326->regmap, ES8326_CLK_DIV_CPC, 0x1F);
	regmap_write(es8326->regmap, ES8326_CLK_VMIDS1, 0xC8);
	regmap_write(es8326->regmap, ES8326_CLK_VMIDS2, 0x88);
	regmap_write(es8326->regmap, ES8326_CLK_CAL_TIME, 0x20);
	regmap_write(es8326->regmap, ES8326_SYS_BIAS, 0x08);
	regmap_write(es8326->regmap, ES8326_DAC2HPMIX, 0x22);
	regmap_write(es8326->regmap, ES8326_ADC1_SRC, es8326->mic1_src);
	regmap_write(es8326->regmap, ES8326_ADC2_SRC, es8326->mic2_src);
	regmap_write(es8326->regmap, ES8326_HPJACK_TIMER, 0x88);
	regmap_write(es8326->regmap, ES8326_HP_DET,
		     ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol);
	regmap_write(es8326->regmap, ES8326_INT_SOURCE, es8326->interrupt_src);
	regmap_write(es8326->regmap, ES8326_INTOUT_IO, es8326->interrupt_clk);
	regmap_write(es8326->regmap, ES8326_RESET, ES8326_CSM_ON);
	snd_soc_component_update_bits(component, ES8326_PGAGAIN,
				      ES8326_MIC_SEL_MASK, ES8326_MIC1_SEL);

	regmap_read(es8326->regmap, ES8326_CHIP_VERSION, &reg);
	if ((reg & ES8326_VERSION_B) == 1) {
		regmap_write(es8326->regmap, ES8326_ANA_MICBIAS, 0xDD);
		regmap_write(es8326->regmap, ES8326_ANA_VSEL, 0x7F);
		regmap_write(es8326->regmap, ES8326_VMIDLOW, 0x0F);
		/* enable button detect */
		regmap_write(es8326->regmap, ES8326_HP_DRIVER, 0xA0);
	}

	es8326_irq(es8326->irq, es8326);
	return 0;
}

static int es8326_suspend(struct snd_soc_component *component)
{
	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);

	cancel_delayed_work_sync(&es8326->jack_detect_work);
	es8326_disable_micbias(component);

	regmap_write(es8326->regmap, ES8326_CLK_CTL, ES8326_CLK_OFF);
	regcache_cache_only(es8326->regmap, true);
	regcache_mark_dirty(es8326->regmap);

	return 0;
}

static int es8326_probe(struct snd_soc_component *component)
{
	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);
	int ret;

	es8326->component = component;
	es8326->jd_inverted = device_property_read_bool(component->dev,
							"everest,jack-detect-inverted");

	ret = device_property_read_u8(component->dev, "everest,mic1-src", &es8326->mic1_src);
	if (ret != 0) {
		dev_dbg(component->dev, "mic1-src return %d", ret);
		es8326->mic1_src = ES8326_ADC_AMIC;
	}
	dev_dbg(component->dev, "mic1-src %x", es8326->mic1_src);

	ret = device_property_read_u8(component->dev, "everest,mic2-src", &es8326->mic2_src);
	if (ret != 0) {
		dev_dbg(component->dev, "mic2-src return %d", ret);
		es8326->mic2_src = ES8326_ADC_DMIC;
	}
	dev_dbg(component->dev, "mic2-src %x", es8326->mic2_src);

	ret = device_property_read_u8(component->dev, "everest,jack-pol", &es8326->jack_pol);
	if (ret != 0) {
		dev_dbg(component->dev, "jack-pol return %d", ret);
		es8326->jack_pol = ES8326_HP_DET_BUTTON_POL | ES8326_HP_TYPE_OMTP;
	}
	dev_dbg(component->dev, "jack-pol %x", es8326->jack_pol);

	ret = device_property_read_u8(component->dev, "everest,interrupt-src", &es8326->jack_pol);
	if (ret != 0) {
		dev_dbg(component->dev, "interrupt-src return %d", ret);
		es8326->interrupt_src = ES8326_HP_DET_SRC_PIN9;
	}
	dev_dbg(component->dev, "interrupt-src %x", es8326->interrupt_src);

	ret = device_property_read_u8(component->dev, "everest,interrupt-clk", &es8326->jack_pol);
	if (ret != 0) {
		dev_dbg(component->dev, "interrupt-clk return %d", ret);
		es8326->interrupt_clk = 0x45;
	}
	dev_dbg(component->dev, "interrupt-clk %x", es8326->interrupt_clk);

	es8326_resume(component);
	return 0;
}

static void es8326_enable_jack_detect(struct snd_soc_component *component,
				struct snd_soc_jack *jack)
{
	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);

	mutex_lock(&es8326->lock);
	if (es8326->jd_inverted)
		snd_soc_component_update_bits(component, ES8326_HP_DET,
					      ES8326_HP_DET_JACK_POL, ~es8326->jack_pol);
	es8326->jack = jack;

	mutex_unlock(&es8326->lock);
	es8326_irq(es8326->irq, es8326);
}

static void es8326_disable_jack_detect(struct snd_soc_component *component)
{
	struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);

	dev_dbg(component->dev, "Enter into %s\n", __func__);
	if (!es8326->jack)
		return; /* Already disabled (or never enabled) */
	cancel_delayed_work_sync(&es8326->jack_detect_work);

	mutex_lock(&es8326->lock);
	if (es8326->jack->status & SND_JACK_MICROPHONE) {
		es8326_disable_micbias(component);
		snd_soc_jack_report(es8326->jack, 0, SND_JACK_HEADSET);
	}
	es8326->jack = NULL;
	mutex_unlock(&es8326->lock);
}

static int es8326_set_jack(struct snd_soc_component *component,
			struct snd_soc_jack *jack, void *data)
{
	if (jack)
		es8326_enable_jack_detect(component, jack);
	else
		es8326_disable_jack_detect(component);

	return 0;
}

static void es8326_remove(struct snd_soc_component *component)
{
	es8326_disable_jack_detect(component);
	es8326_set_bias_level(component, SND_SOC_BIAS_OFF);
}

static const struct snd_soc_component_driver soc_component_dev_es8326 = {
	.probe		= es8326_probe,
	.remove		= es8326_remove,
	.resume		= es8326_resume,
	.suspend	= es8326_suspend,
	.set_bias_level = es8326_set_bias_level,
	.set_jack	= es8326_set_jack,
	.dapm_widgets	= es8326_dapm_widgets,
	.num_dapm_widgets	= ARRAY_SIZE(es8326_dapm_widgets),
	.dapm_routes		= es8326_dapm_routes,
	.num_dapm_routes	= ARRAY_SIZE(es8326_dapm_routes),
	.controls		= es8326_snd_controls,
	.num_controls		= ARRAY_SIZE(es8326_snd_controls),
	.use_pmdown_time	= 1,
	.endianness		= 1,
};

static int es8326_i2c_probe(struct i2c_client *i2c)
{
	struct es8326_priv *es8326;
	int ret;

	es8326 = devm_kzalloc(&i2c->dev, sizeof(struct es8326_priv), GFP_KERNEL);
	if (!es8326)
		return -ENOMEM;

	i2c_set_clientdata(i2c, es8326);
	es8326->i2c = i2c;
	mutex_init(&es8326->lock);
	es8326->regmap = devm_regmap_init_i2c(i2c, &es8326_regmap_config);
	if (IS_ERR(es8326->regmap)) {
		ret = PTR_ERR(es8326->regmap);
		dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret);
		return ret;
	}

	es8326->irq = i2c->irq;
	INIT_DELAYED_WORK(&es8326->jack_detect_work,
			  es8326_jack_detect_handler);
	INIT_DELAYED_WORK(&es8326->button_press_work,
			  es8326_jack_button_handler);
	/* ES8316 is level-based while ES8326 is edge-based */
	ret = devm_request_threaded_irq(&i2c->dev, es8326->irq, NULL, es8326_irq,
					IRQF_TRIGGER_RISING | IRQF_ONESHOT,
					"es8326", es8326);
	if (ret) {
		dev_warn(&i2c->dev, "Failed to request IRQ: %d: %d\n",
		es8326->irq, ret);
		es8326->irq = -ENXIO;
	}

	es8326->mclk = devm_clk_get_optional(&i2c->dev, "mclk");
	if (IS_ERR(es8326->mclk)) {
		dev_err(&i2c->dev, "unable to get mclk\n");
		return PTR_ERR(es8326->mclk);
	}
	if (!es8326->mclk)
		dev_warn(&i2c->dev, "assuming static mclk\n");

	ret = clk_prepare_enable(es8326->mclk);
	if (ret) {
		dev_err(&i2c->dev, "unable to enable mclk\n");
		return ret;
	}
	return devm_snd_soc_register_component(&i2c->dev,
					&soc_component_dev_es8326,
					&es8326_dai, 1);
}

static const struct i2c_device_id es8326_i2c_id[] = {
	{"es8326", 0 },
	{}
};
MODULE_DEVICE_TABLE(i2c, es8326_i2c_id);

#ifdef CONFIG_OF
static const struct of_device_id es8326_of_match[] = {
	{ .compatible = "everest,es8326", },
	{}
};
MODULE_DEVICE_TABLE(of, es8326_of_match);
#endif

#ifdef CONFIG_ACPI
static const struct acpi_device_id es8326_acpi_match[] = {
	{"ESSX8326", 0},
	{},
};
MODULE_DEVICE_TABLE(acpi, es8326_acpi_match);
#endif

static struct i2c_driver es8326_i2c_driver = {
	.driver = {
		.name = "es8326",
		.acpi_match_table = ACPI_PTR(es8326_acpi_match),
		.of_match_table = of_match_ptr(es8326_of_match),
	},
	.probe_new = es8326_i2c_probe,
	.id_table = es8326_i2c_id,
};
module_i2c_driver(es8326_i2c_driver);

MODULE_DESCRIPTION("ASoC es8326 driver");
MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>");
MODULE_LICENSE("GPL");