summaryrefslogtreecommitdiff
path: root/sound/soc/codecs/adav80x.c
blob: 6e793ebb588333c7ee39ee851ccb6c66ad746ad3 (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
/*
 * ADAV80X Audio Codec driver supporting ADAV801, ADAV803
 *
 * Copyright 2011 Analog Devices Inc.
 * Author: Yi Li <yi.li@analog.com>
 * Author: Lars-Peter Clausen <lars@metafoo.de>
 *
 * Licensed under the GPL-2 or later.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/regmap.h>
#include <linux/slab.h>

#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/tlv.h>

#include "adav80x.h"

#define ADAV80X_PLAYBACK_CTRL	0x04
#define ADAV80X_AUX_IN_CTRL	0x05
#define ADAV80X_REC_CTRL	0x06
#define ADAV80X_AUX_OUT_CTRL	0x07
#define ADAV80X_DPATH_CTRL1	0x62
#define ADAV80X_DPATH_CTRL2	0x63
#define ADAV80X_DAC_CTRL1	0x64
#define ADAV80X_DAC_CTRL2	0x65
#define ADAV80X_DAC_CTRL3	0x66
#define ADAV80X_DAC_L_VOL	0x68
#define ADAV80X_DAC_R_VOL	0x69
#define ADAV80X_PGA_L_VOL	0x6c
#define ADAV80X_PGA_R_VOL	0x6d
#define ADAV80X_ADC_CTRL1	0x6e
#define ADAV80X_ADC_CTRL2	0x6f
#define ADAV80X_ADC_L_VOL	0x70
#define ADAV80X_ADC_R_VOL	0x71
#define ADAV80X_PLL_CTRL1	0x74
#define ADAV80X_PLL_CTRL2	0x75
#define ADAV80X_ICLK_CTRL1	0x76
#define ADAV80X_ICLK_CTRL2	0x77
#define ADAV80X_PLL_CLK_SRC	0x78
#define ADAV80X_PLL_OUTE	0x7a

#define ADAV80X_PLL_CLK_SRC_PLL_XIN(pll)	0x00
#define ADAV80X_PLL_CLK_SRC_PLL_MCLKI(pll)	(0x40 << (pll))
#define ADAV80X_PLL_CLK_SRC_PLL_MASK(pll)	(0x40 << (pll))

#define ADAV80X_ICLK_CTRL1_DAC_SRC(src)		((src) << 5)
#define ADAV80X_ICLK_CTRL1_ADC_SRC(src)		((src) << 2)
#define ADAV80X_ICLK_CTRL1_ICLK2_SRC(src)	(src)
#define ADAV80X_ICLK_CTRL2_ICLK1_SRC(src)	((src) << 3)

#define ADAV80X_PLL_CTRL1_PLLDIV		0x10
#define ADAV80X_PLL_CTRL1_PLLPD(pll)		(0x04 << (pll))
#define ADAV80X_PLL_CTRL1_XTLPD			0x02

#define ADAV80X_PLL_CTRL2_FIELD(pll, x)		((x) << ((pll) * 4))

#define ADAV80X_PLL_CTRL2_FS_48(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x00)
#define ADAV80X_PLL_CTRL2_FS_32(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x08)
#define ADAV80X_PLL_CTRL2_FS_44(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x0c)

#define ADAV80X_PLL_CTRL2_SEL(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x02)
#define ADAV80X_PLL_CTRL2_DOUB(pll)	ADAV80X_PLL_CTRL2_FIELD((pll), 0x01)
#define ADAV80X_PLL_CTRL2_PLL_MASK(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x0f)

#define ADAV80X_ADC_CTRL1_MODULATOR_MASK	0x80
#define ADAV80X_ADC_CTRL1_MODULATOR_128FS	0x00
#define ADAV80X_ADC_CTRL1_MODULATOR_64FS	0x80

#define ADAV80X_DAC_CTRL1_PD			0x80

#define ADAV80X_DAC_CTRL2_DIV1			0x00
#define ADAV80X_DAC_CTRL2_DIV1_5		0x10
#define ADAV80X_DAC_CTRL2_DIV2			0x20
#define ADAV80X_DAC_CTRL2_DIV3			0x30
#define ADAV80X_DAC_CTRL2_DIV_MASK		0x30

#define ADAV80X_DAC_CTRL2_INTERPOL_256FS	0x00
#define ADAV80X_DAC_CTRL2_INTERPOL_128FS	0x40
#define ADAV80X_DAC_CTRL2_INTERPOL_64FS		0x80
#define ADAV80X_DAC_CTRL2_INTERPOL_MASK		0xc0

#define ADAV80X_DAC_CTRL2_DEEMPH_NONE		0x00
#define ADAV80X_DAC_CTRL2_DEEMPH_44		0x01
#define ADAV80X_DAC_CTRL2_DEEMPH_32		0x02
#define ADAV80X_DAC_CTRL2_DEEMPH_48		0x03
#define ADAV80X_DAC_CTRL2_DEEMPH_MASK		0x01

#define ADAV80X_CAPTURE_MODE_MASTER		0x20
#define ADAV80X_CAPTURE_WORD_LEN24		0x00
#define ADAV80X_CAPTURE_WORD_LEN20		0x04
#define ADAV80X_CAPTRUE_WORD_LEN18		0x08
#define ADAV80X_CAPTURE_WORD_LEN16		0x0c
#define ADAV80X_CAPTURE_WORD_LEN_MASK		0x0c

#define ADAV80X_CAPTURE_MODE_LEFT_J		0x00
#define ADAV80X_CAPTURE_MODE_I2S		0x01
#define ADAV80X_CAPTURE_MODE_RIGHT_J		0x03
#define ADAV80X_CAPTURE_MODE_MASK		0x03

#define ADAV80X_PLAYBACK_MODE_MASTER		0x10
#define ADAV80X_PLAYBACK_MODE_LEFT_J		0x00
#define ADAV80X_PLAYBACK_MODE_I2S		0x01
#define ADAV80X_PLAYBACK_MODE_RIGHT_J_24	0x04
#define ADAV80X_PLAYBACK_MODE_RIGHT_J_20	0x05
#define ADAV80X_PLAYBACK_MODE_RIGHT_J_18	0x06
#define ADAV80X_PLAYBACK_MODE_RIGHT_J_16	0x07
#define ADAV80X_PLAYBACK_MODE_MASK		0x07

#define ADAV80X_PLL_OUTE_SYSCLKPD(x)		BIT(2 - (x))

static const struct reg_default adav80x_reg_defaults[] = {
	{ ADAV80X_PLAYBACK_CTRL,	0x01 },
	{ ADAV80X_AUX_IN_CTRL,		0x01 },
	{ ADAV80X_REC_CTRL,		0x02 },
	{ ADAV80X_AUX_OUT_CTRL,		0x01 },
	{ ADAV80X_DPATH_CTRL1,		0xc0 },
	{ ADAV80X_DPATH_CTRL2,		0x11 },
	{ ADAV80X_DAC_CTRL1,		0x00 },
	{ ADAV80X_DAC_CTRL2,		0x00 },
	{ ADAV80X_DAC_CTRL3,		0x00 },
	{ ADAV80X_DAC_L_VOL,		0xff },
	{ ADAV80X_DAC_R_VOL,		0xff },
	{ ADAV80X_PGA_L_VOL,		0x00 },
	{ ADAV80X_PGA_R_VOL,		0x00 },
	{ ADAV80X_ADC_CTRL1,		0x00 },
	{ ADAV80X_ADC_CTRL2,		0x00 },
	{ ADAV80X_ADC_L_VOL,		0xff },
	{ ADAV80X_ADC_R_VOL,		0xff },
	{ ADAV80X_PLL_CTRL1,		0x00 },
	{ ADAV80X_PLL_CTRL2,		0x00 },
	{ ADAV80X_ICLK_CTRL1,		0x00 },
	{ ADAV80X_ICLK_CTRL2,		0x00 },
	{ ADAV80X_PLL_CLK_SRC,		0x00 },
	{ ADAV80X_PLL_OUTE,		0x00 },
};

struct adav80x {
	struct regmap *regmap;

	enum adav80x_clk_src clk_src;
	unsigned int sysclk;
	enum adav80x_pll_src pll_src;

	unsigned int dai_fmt[2];
	unsigned int rate;
	bool deemph;
	bool sysclk_pd[3];
};

static const char *adav80x_mux_text[] = {
	"ADC",
	"Playback",
	"Aux Playback",
};

static const unsigned int adav80x_mux_values[] = {
	0, 2, 3,
};

#define ADAV80X_MUX_ENUM_DECL(name, reg, shift) \
	SOC_VALUE_ENUM_DOUBLE_DECL(name, reg, shift, 7, \
		ARRAY_SIZE(adav80x_mux_text), adav80x_mux_text, \
		adav80x_mux_values)

static ADAV80X_MUX_ENUM_DECL(adav80x_aux_capture_enum, ADAV80X_DPATH_CTRL1, 0);
static ADAV80X_MUX_ENUM_DECL(adav80x_capture_enum, ADAV80X_DPATH_CTRL1, 3);
static ADAV80X_MUX_ENUM_DECL(adav80x_dac_enum, ADAV80X_DPATH_CTRL2, 3);

static const struct snd_kcontrol_new adav80x_aux_capture_mux_ctrl =
	SOC_DAPM_ENUM("Route", adav80x_aux_capture_enum);
static const struct snd_kcontrol_new adav80x_capture_mux_ctrl =
	SOC_DAPM_ENUM("Route", adav80x_capture_enum);
static const struct snd_kcontrol_new adav80x_dac_mux_ctrl =
	SOC_DAPM_ENUM("Route", adav80x_dac_enum);

#define ADAV80X_MUX(name, ctrl) \
	SND_SOC_DAPM_MUX(name, SND_SOC_NOPM, 0, 0, ctrl)

static const struct snd_soc_dapm_widget adav80x_dapm_widgets[] = {
	SND_SOC_DAPM_DAC("DAC", NULL, ADAV80X_DAC_CTRL1, 7, 1),
	SND_SOC_DAPM_ADC("ADC", NULL, ADAV80X_ADC_CTRL1, 5, 1),

	SND_SOC_DAPM_PGA("Right PGA", ADAV80X_ADC_CTRL1, 0, 1, NULL, 0),
	SND_SOC_DAPM_PGA("Left PGA", ADAV80X_ADC_CTRL1, 1, 1, NULL, 0),

	SND_SOC_DAPM_AIF_OUT("AIFOUT", "HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("AIFIN", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),

	SND_SOC_DAPM_AIF_OUT("AIFAUXOUT", "Aux Capture", 0, SND_SOC_NOPM, 0, 0),
	SND_SOC_DAPM_AIF_IN("AIFAUXIN", "Aux Playback", 0, SND_SOC_NOPM, 0, 0),

	ADAV80X_MUX("Aux Capture Select", &adav80x_aux_capture_mux_ctrl),
	ADAV80X_MUX("Capture Select", &adav80x_capture_mux_ctrl),
	ADAV80X_MUX("DAC Select", &adav80x_dac_mux_ctrl),

	SND_SOC_DAPM_INPUT("VINR"),
	SND_SOC_DAPM_INPUT("VINL"),
	SND_SOC_DAPM_OUTPUT("VOUTR"),
	SND_SOC_DAPM_OUTPUT("VOUTL"),

	SND_SOC_DAPM_SUPPLY("SYSCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
	SND_SOC_DAPM_SUPPLY("PLL1", ADAV80X_PLL_CTRL1, 2, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("PLL2", ADAV80X_PLL_CTRL1, 3, 1, NULL, 0),
	SND_SOC_DAPM_SUPPLY("OSC", ADAV80X_PLL_CTRL1, 1, 1, NULL, 0),
};

static int adav80x_dapm_sysclk_check(struct snd_soc_dapm_widget *source,
			 struct snd_soc_dapm_widget *sink)
{
	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
	const char *clk;

	switch (adav80x->clk_src) {
	case ADAV80X_CLK_PLL1:
		clk = "PLL1";
		break;
	case ADAV80X_CLK_PLL2:
		clk = "PLL2";
		break;
	case ADAV80X_CLK_XTAL:
		clk = "OSC";
		break;
	default:
		return 0;
	}

	return strcmp(source->name, clk) == 0;
}

static int adav80x_dapm_pll_check(struct snd_soc_dapm_widget *source,
			 struct snd_soc_dapm_widget *sink)
{
	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);

	return adav80x->pll_src == ADAV80X_PLL_SRC_XTAL;
}


static const struct snd_soc_dapm_route adav80x_dapm_routes[] = {
	{ "DAC Select", "ADC", "ADC" },
	{ "DAC Select", "Playback", "AIFIN" },
	{ "DAC Select", "Aux Playback", "AIFAUXIN" },
	{ "DAC", NULL,  "DAC Select" },

	{ "Capture Select", "ADC", "ADC" },
	{ "Capture Select", "Playback", "AIFIN" },
	{ "Capture Select", "Aux Playback", "AIFAUXIN" },
	{ "AIFOUT", NULL,  "Capture Select" },

	{ "Aux Capture Select", "ADC", "ADC" },
	{ "Aux Capture Select", "Playback", "AIFIN" },
	{ "Aux Capture Select", "Aux Playback", "AIFAUXIN" },
	{ "AIFAUXOUT", NULL,  "Aux Capture Select" },

	{ "VOUTR",  NULL, "DAC" },
	{ "VOUTL",  NULL, "DAC" },

	{ "Left PGA", NULL, "VINL" },
	{ "Right PGA", NULL, "VINR" },
	{ "ADC", NULL, "Left PGA" },
	{ "ADC", NULL, "Right PGA" },

	{ "SYSCLK", NULL, "PLL1", adav80x_dapm_sysclk_check },
	{ "SYSCLK", NULL, "PLL2", adav80x_dapm_sysclk_check },
	{ "SYSCLK", NULL, "OSC", adav80x_dapm_sysclk_check },
	{ "PLL1", NULL, "OSC", adav80x_dapm_pll_check },
	{ "PLL2", NULL, "OSC", adav80x_dapm_pll_check },

	{ "ADC", NULL, "SYSCLK" },
	{ "DAC", NULL, "SYSCLK" },
	{ "AIFOUT", NULL, "SYSCLK" },
	{ "AIFAUXOUT", NULL, "SYSCLK" },
	{ "AIFIN", NULL, "SYSCLK" },
	{ "AIFAUXIN", NULL, "SYSCLK" },
};

static int adav80x_set_deemph(struct snd_soc_codec *codec)
{
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
	unsigned int val;

	if (adav80x->deemph) {
		switch (adav80x->rate) {
		case 32000:
			val = ADAV80X_DAC_CTRL2_DEEMPH_32;
			break;
		case 44100:
			val = ADAV80X_DAC_CTRL2_DEEMPH_44;
			break;
		case 48000:
		case 64000:
		case 88200:
		case 96000:
			val = ADAV80X_DAC_CTRL2_DEEMPH_48;
			break;
		default:
			val = ADAV80X_DAC_CTRL2_DEEMPH_NONE;
			break;
		}
	} else {
		val = ADAV80X_DAC_CTRL2_DEEMPH_NONE;
	}

	return regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL2,
		ADAV80X_DAC_CTRL2_DEEMPH_MASK, val);
}

static int adav80x_put_deemph(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
	unsigned int deemph = ucontrol->value.integer.value[0];

	if (deemph > 1)
		return -EINVAL;

	adav80x->deemph = deemph;

	return adav80x_set_deemph(codec);
}

static int adav80x_get_deemph(struct snd_kcontrol *kcontrol,
				struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);

	ucontrol->value.integer.value[0] = adav80x->deemph;
	return 0;
};

static const DECLARE_TLV_DB_SCALE(adav80x_inpga_tlv, 0, 50, 0);
static const DECLARE_TLV_DB_MINMAX(adav80x_digital_tlv, -9563, 0);

static const struct snd_kcontrol_new adav80x_controls[] = {
	SOC_DOUBLE_R_TLV("Master Playback Volume", ADAV80X_DAC_L_VOL,
		ADAV80X_DAC_R_VOL, 0, 0xff, 0, adav80x_digital_tlv),
	SOC_DOUBLE_R_TLV("Master Capture Volume", ADAV80X_ADC_L_VOL,
			ADAV80X_ADC_R_VOL, 0, 0xff, 0, adav80x_digital_tlv),

	SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAV80X_PGA_L_VOL,
			ADAV80X_PGA_R_VOL, 0, 0x30, 0, adav80x_inpga_tlv),

	SOC_DOUBLE("Master Playback Switch", ADAV80X_DAC_CTRL1, 0, 1, 1, 0),
	SOC_DOUBLE("Master Capture Switch", ADAV80X_ADC_CTRL1, 2, 3, 1, 1),

	SOC_SINGLE("ADC High Pass Filter Switch", ADAV80X_ADC_CTRL1, 6, 1, 0),

	SOC_SINGLE_BOOL_EXT("Playback De-emphasis Switch", 0,
			adav80x_get_deemph, adav80x_put_deemph),
};

static unsigned int adav80x_port_ctrl_regs[2][2] = {
	{ ADAV80X_REC_CTRL, ADAV80X_PLAYBACK_CTRL, },
	{ ADAV80X_AUX_OUT_CTRL, ADAV80X_AUX_IN_CTRL },
};

static int adav80x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
	struct snd_soc_codec *codec = dai->codec;
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
	unsigned int capture = 0x00;
	unsigned int playback = 0x00;

	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
	case SND_SOC_DAIFMT_CBM_CFM:
		capture |= ADAV80X_CAPTURE_MODE_MASTER;
		playback |= ADAV80X_PLAYBACK_MODE_MASTER;
	case SND_SOC_DAIFMT_CBS_CFS:
		break;
	default:
		return -EINVAL;
	}

	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
	case SND_SOC_DAIFMT_I2S:
		capture |= ADAV80X_CAPTURE_MODE_I2S;
		playback |= ADAV80X_PLAYBACK_MODE_I2S;
		break;
	case SND_SOC_DAIFMT_LEFT_J:
		capture |= ADAV80X_CAPTURE_MODE_LEFT_J;
		playback |= ADAV80X_PLAYBACK_MODE_LEFT_J;
		break;
	case SND_SOC_DAIFMT_RIGHT_J:
		capture |= ADAV80X_CAPTURE_MODE_RIGHT_J;
		playback |= ADAV80X_PLAYBACK_MODE_RIGHT_J_24;
		break;
	default:
		return -EINVAL;
	}

	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
	case SND_SOC_DAIFMT_NB_NF:
		break;
	default:
		return -EINVAL;
	}

	regmap_update_bits(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][0],
		ADAV80X_CAPTURE_MODE_MASK | ADAV80X_CAPTURE_MODE_MASTER,
		capture);
	regmap_write(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][1],
		playback);

	adav80x->dai_fmt[dai->id] = fmt & SND_SOC_DAIFMT_FORMAT_MASK;

	return 0;
}

static int adav80x_set_adc_clock(struct snd_soc_codec *codec,
		unsigned int sample_rate)
{
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
	unsigned int val;

	if (sample_rate <= 48000)
		val = ADAV80X_ADC_CTRL1_MODULATOR_128FS;
	else
		val = ADAV80X_ADC_CTRL1_MODULATOR_64FS;

	regmap_update_bits(adav80x->regmap, ADAV80X_ADC_CTRL1,
		ADAV80X_ADC_CTRL1_MODULATOR_MASK, val);

	return 0;
}

static int adav80x_set_dac_clock(struct snd_soc_codec *codec,
		unsigned int sample_rate)
{
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
	unsigned int val;

	if (sample_rate <= 48000)
		val = ADAV80X_DAC_CTRL2_DIV1 | ADAV80X_DAC_CTRL2_INTERPOL_256FS;
	else
		val = ADAV80X_DAC_CTRL2_DIV2 | ADAV80X_DAC_CTRL2_INTERPOL_128FS;

	regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL2,
		ADAV80X_DAC_CTRL2_DIV_MASK | ADAV80X_DAC_CTRL2_INTERPOL_MASK,
		val);

	return 0;
}

static int adav80x_set_capture_pcm_format(struct snd_soc_codec *codec,
		struct snd_soc_dai *dai, struct snd_pcm_hw_params *params)
{
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
	unsigned int val;

	switch (params_width(params)) {
	case 16:
		val = ADAV80X_CAPTURE_WORD_LEN16;
		break;
	case 18:
		val = ADAV80X_CAPTRUE_WORD_LEN18;
		break;
	case 20:
		val = ADAV80X_CAPTURE_WORD_LEN20;
		break;
	case 24:
		val = ADAV80X_CAPTURE_WORD_LEN24;
		break;
	default:
		return -EINVAL;
	}

	regmap_update_bits(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][0],
		ADAV80X_CAPTURE_WORD_LEN_MASK, val);

	return 0;
}

static int adav80x_set_playback_pcm_format(struct snd_soc_codec *codec,
		struct snd_soc_dai *dai, struct snd_pcm_hw_params *params)
{
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
	unsigned int val;

	if (adav80x->dai_fmt[dai->id] != SND_SOC_DAIFMT_RIGHT_J)
		return 0;

	switch (params_width(params)) {
	case 16:
		val = ADAV80X_PLAYBACK_MODE_RIGHT_J_16;
		break;
	case 18:
		val = ADAV80X_PLAYBACK_MODE_RIGHT_J_18;
		break;
	case 20:
		val = ADAV80X_PLAYBACK_MODE_RIGHT_J_20;
		break;
	case 24:
		val = ADAV80X_PLAYBACK_MODE_RIGHT_J_24;
		break;
	default:
		return -EINVAL;
	}

	regmap_update_bits(adav80x->regmap, adav80x_port_ctrl_regs[dai->id][1],
		ADAV80X_PLAYBACK_MODE_MASK, val);

	return 0;
}

static int adav80x_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 adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
	unsigned int rate = params_rate(params);

	if (rate * 256 != adav80x->sysclk)
		return -EINVAL;

	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
		adav80x_set_playback_pcm_format(codec, dai, params);
		adav80x_set_dac_clock(codec, rate);
	} else {
		adav80x_set_capture_pcm_format(codec, dai, params);
		adav80x_set_adc_clock(codec, rate);
	}
	adav80x->rate = rate;
	adav80x_set_deemph(codec);

	return 0;
}

static int adav80x_set_sysclk(struct snd_soc_codec *codec,
			      int clk_id, int source,
			      unsigned int freq, int dir)
{
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);

	if (dir == SND_SOC_CLOCK_IN) {
		switch (clk_id) {
		case ADAV80X_CLK_XIN:
		case ADAV80X_CLK_XTAL:
		case ADAV80X_CLK_MCLKI:
		case ADAV80X_CLK_PLL1:
		case ADAV80X_CLK_PLL2:
			break;
		default:
			return -EINVAL;
		}

		adav80x->sysclk = freq;

		if (adav80x->clk_src != clk_id) {
			unsigned int iclk_ctrl1, iclk_ctrl2;

			adav80x->clk_src = clk_id;
			if (clk_id == ADAV80X_CLK_XTAL)
				clk_id = ADAV80X_CLK_XIN;

			iclk_ctrl1 = ADAV80X_ICLK_CTRL1_DAC_SRC(clk_id) |
					ADAV80X_ICLK_CTRL1_ADC_SRC(clk_id) |
					ADAV80X_ICLK_CTRL1_ICLK2_SRC(clk_id);
			iclk_ctrl2 = ADAV80X_ICLK_CTRL2_ICLK1_SRC(clk_id);

			regmap_write(adav80x->regmap, ADAV80X_ICLK_CTRL1,
				iclk_ctrl1);
			regmap_write(adav80x->regmap, ADAV80X_ICLK_CTRL2,
				iclk_ctrl2);

			snd_soc_dapm_sync(dapm);
		}
	} else {
		unsigned int mask;

		switch (clk_id) {
		case ADAV80X_CLK_SYSCLK1:
		case ADAV80X_CLK_SYSCLK2:
		case ADAV80X_CLK_SYSCLK3:
			break;
		default:
			return -EINVAL;
		}

		clk_id -= ADAV80X_CLK_SYSCLK1;
		mask = ADAV80X_PLL_OUTE_SYSCLKPD(clk_id);

		if (freq == 0) {
			regmap_update_bits(adav80x->regmap, ADAV80X_PLL_OUTE,
				mask, mask);
			adav80x->sysclk_pd[clk_id] = true;
		} else {
			regmap_update_bits(adav80x->regmap, ADAV80X_PLL_OUTE,
				mask, 0);
			adav80x->sysclk_pd[clk_id] = false;
		}

		snd_soc_dapm_mutex_lock(dapm);

		if (adav80x->sysclk_pd[0])
			snd_soc_dapm_disable_pin_unlocked(dapm, "PLL1");
		else
			snd_soc_dapm_force_enable_pin_unlocked(dapm, "PLL1");

		if (adav80x->sysclk_pd[1] || adav80x->sysclk_pd[2])
			snd_soc_dapm_disable_pin_unlocked(dapm, "PLL2");
		else
			snd_soc_dapm_force_enable_pin_unlocked(dapm, "PLL2");

		snd_soc_dapm_sync_unlocked(dapm);

		snd_soc_dapm_mutex_unlock(dapm);
	}

	return 0;
}

static int adav80x_set_pll(struct snd_soc_codec *codec, int pll_id,
		int source, unsigned int freq_in, unsigned int freq_out)
{
	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
	unsigned int pll_ctrl1 = 0;
	unsigned int pll_ctrl2 = 0;
	unsigned int pll_src;

	switch (source) {
	case ADAV80X_PLL_SRC_XTAL:
	case ADAV80X_PLL_SRC_XIN:
	case ADAV80X_PLL_SRC_MCLKI:
		break;
	default:
		return -EINVAL;
	}

	if (!freq_out)
		return 0;

	switch (freq_in) {
	case 27000000:
		break;
	case 54000000:
		if (source == ADAV80X_PLL_SRC_XIN) {
			pll_ctrl1 |= ADAV80X_PLL_CTRL1_PLLDIV;
			break;
		}
	default:
		return -EINVAL;
	}

	if (freq_out > 12288000) {
		pll_ctrl2 |= ADAV80X_PLL_CTRL2_DOUB(pll_id);
		freq_out /= 2;
	}

	/* freq_out = sample_rate * 256 */
	switch (freq_out) {
	case 8192000:
		pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_32(pll_id);
		break;
	case 11289600:
		pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_44(pll_id);
		break;
	case 12288000:
		pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_48(pll_id);
		break;
	default:
		return -EINVAL;
	}

	regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CTRL1,
			ADAV80X_PLL_CTRL1_PLLDIV, pll_ctrl1);
	regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CTRL2,
			ADAV80X_PLL_CTRL2_PLL_MASK(pll_id), pll_ctrl2);

	if (source != adav80x->pll_src) {
		if (source == ADAV80X_PLL_SRC_MCLKI)
			pll_src = ADAV80X_PLL_CLK_SRC_PLL_MCLKI(pll_id);
		else
			pll_src = ADAV80X_PLL_CLK_SRC_PLL_XIN(pll_id);

		regmap_update_bits(adav80x->regmap, ADAV80X_PLL_CLK_SRC,
				ADAV80X_PLL_CLK_SRC_PLL_MASK(pll_id), pll_src);

		adav80x->pll_src = source;

		snd_soc_dapm_sync(dapm);
	}

	return 0;
}

static int adav80x_set_bias_level(struct snd_soc_codec *codec,
		enum snd_soc_bias_level level)
{
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
	unsigned int mask = ADAV80X_DAC_CTRL1_PD;

	switch (level) {
	case SND_SOC_BIAS_ON:
		break;
	case SND_SOC_BIAS_PREPARE:
		break;
	case SND_SOC_BIAS_STANDBY:
		regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL1, mask,
			0x00);
		break;
	case SND_SOC_BIAS_OFF:
		regmap_update_bits(adav80x->regmap, ADAV80X_DAC_CTRL1, mask,
			mask);
		break;
	}

	return 0;
}

/* Enforce the same sample rate on all audio interfaces */
static int adav80x_dai_startup(struct snd_pcm_substream *substream,
	struct snd_soc_dai *dai)
{
	struct snd_soc_codec *codec = dai->codec;
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);

	if (!snd_soc_codec_is_active(codec) || !adav80x->rate)
		return 0;

	return snd_pcm_hw_constraint_single(substream->runtime,
			SNDRV_PCM_HW_PARAM_RATE, adav80x->rate);
}

static void adav80x_dai_shutdown(struct snd_pcm_substream *substream,
		struct snd_soc_dai *dai)
{
	struct snd_soc_codec *codec = dai->codec;
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);

	if (!snd_soc_codec_is_active(codec))
		adav80x->rate = 0;
}

static const struct snd_soc_dai_ops adav80x_dai_ops = {
	.set_fmt = adav80x_set_dai_fmt,
	.hw_params = adav80x_hw_params,
	.startup = adav80x_dai_startup,
	.shutdown = adav80x_dai_shutdown,
};

#define ADAV80X_PLAYBACK_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
	SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_88200 | \
	SNDRV_PCM_RATE_96000)

#define ADAV80X_CAPTURE_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000)

#define ADAV80X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE | \
	SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE)

static struct snd_soc_dai_driver adav80x_dais[] = {
	{
		.name = "adav80x-hifi",
		.id = 0,
		.playback = {
			.stream_name = "HiFi Playback",
			.channels_min = 2,
			.channels_max = 2,
			.rates = ADAV80X_PLAYBACK_RATES,
			.formats = ADAV80X_FORMATS,
	},
		.capture = {
			.stream_name = "HiFi Capture",
			.channels_min = 2,
			.channels_max = 2,
			.rates = ADAV80X_CAPTURE_RATES,
			.formats = ADAV80X_FORMATS,
		},
		.ops = &adav80x_dai_ops,
	},
	{
		.name = "adav80x-aux",
		.id = 1,
		.playback = {
			.stream_name = "Aux Playback",
			.channels_min = 2,
			.channels_max = 2,
			.rates = ADAV80X_PLAYBACK_RATES,
			.formats = ADAV80X_FORMATS,
		},
		.capture = {
			.stream_name = "Aux Capture",
			.channels_min = 2,
			.channels_max = 2,
			.rates = ADAV80X_CAPTURE_RATES,
			.formats = ADAV80X_FORMATS,
		},
		.ops = &adav80x_dai_ops,
	},
};

static int adav80x_probe(struct snd_soc_codec *codec)
{
	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);

	/* Force PLLs on for SYSCLK output */
	snd_soc_dapm_force_enable_pin(dapm, "PLL1");
	snd_soc_dapm_force_enable_pin(dapm, "PLL2");

	/* Power down S/PDIF receiver, since it is currently not supported */
	regmap_write(adav80x->regmap, ADAV80X_PLL_OUTE, 0x20);
	/* Disable DAC zero flag */
	regmap_write(adav80x->regmap, ADAV80X_DAC_CTRL3, 0x6);

	return 0;
}

static int adav80x_resume(struct snd_soc_codec *codec)
{
	struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);

	regcache_sync(adav80x->regmap);

	return 0;
}

static struct snd_soc_codec_driver adav80x_codec_driver = {
	.probe = adav80x_probe,
	.resume = adav80x_resume,
	.set_bias_level = adav80x_set_bias_level,
	.suspend_bias_off = true,

	.set_pll = adav80x_set_pll,
	.set_sysclk = adav80x_set_sysclk,

	.component_driver = {
		.controls		= adav80x_controls,
		.num_controls		= ARRAY_SIZE(adav80x_controls),
		.dapm_widgets		= adav80x_dapm_widgets,
		.num_dapm_widgets	= ARRAY_SIZE(adav80x_dapm_widgets),
		.dapm_routes		= adav80x_dapm_routes,
		.num_dapm_routes	= ARRAY_SIZE(adav80x_dapm_routes),
	},
};

int adav80x_bus_probe(struct device *dev, struct regmap *regmap)
{
	struct adav80x *adav80x;

	if (IS_ERR(regmap))
		return PTR_ERR(regmap);

	adav80x = devm_kzalloc(dev, sizeof(*adav80x), GFP_KERNEL);
	if (!adav80x)
		return -ENOMEM;

	dev_set_drvdata(dev, adav80x);
	adav80x->regmap = regmap;

	return snd_soc_register_codec(dev, &adav80x_codec_driver,
		adav80x_dais, ARRAY_SIZE(adav80x_dais));
}
EXPORT_SYMBOL_GPL(adav80x_bus_probe);

const struct regmap_config adav80x_regmap_config = {
	.val_bits = 8,
	.pad_bits = 1,
	.reg_bits = 7,

	.max_register = ADAV80X_PLL_OUTE,

	.cache_type = REGCACHE_RBTREE,
	.reg_defaults = adav80x_reg_defaults,
	.num_reg_defaults = ARRAY_SIZE(adav80x_reg_defaults),
};
EXPORT_SYMBOL_GPL(adav80x_regmap_config);

MODULE_DESCRIPTION("ASoC ADAV80x driver");
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_AUTHOR("Yi Li <yi.li@analog.com>>");
MODULE_LICENSE("GPL");