Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Loading...
  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
/*
 * This driver supports the analog controls for the internal codec
 * found in Allwinner's A31s, A23, A33 and H3 SoCs.
 *
 * Copyright 2016 Chen-Yu Tsai <wens@csie.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>

#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/tlv.h>

/* Codec analog control register offsets and bit fields */
#define SUN8I_ADDA_HP_VOLC		0x00
#define SUN8I_ADDA_HP_VOLC_PA_CLK_GATE		7
#define SUN8I_ADDA_HP_VOLC_HP_VOL		0
#define SUN8I_ADDA_LOMIXSC		0x01
#define SUN8I_ADDA_LOMIXSC_MIC1			6
#define SUN8I_ADDA_LOMIXSC_MIC2			5
#define SUN8I_ADDA_LOMIXSC_PHONE		4
#define SUN8I_ADDA_LOMIXSC_PHONEN		3
#define SUN8I_ADDA_LOMIXSC_LINEINL		2
#define SUN8I_ADDA_LOMIXSC_DACL			1
#define SUN8I_ADDA_LOMIXSC_DACR			0
#define SUN8I_ADDA_ROMIXSC		0x02
#define SUN8I_ADDA_ROMIXSC_MIC1			6
#define SUN8I_ADDA_ROMIXSC_MIC2			5
#define SUN8I_ADDA_ROMIXSC_PHONE		4
#define SUN8I_ADDA_ROMIXSC_PHONEP		3
#define SUN8I_ADDA_ROMIXSC_LINEINR		2
#define SUN8I_ADDA_ROMIXSC_DACR			1
#define SUN8I_ADDA_ROMIXSC_DACL			0
#define SUN8I_ADDA_DAC_PA_SRC		0x03
#define SUN8I_ADDA_DAC_PA_SRC_DACAREN		7
#define SUN8I_ADDA_DAC_PA_SRC_DACALEN		6
#define SUN8I_ADDA_DAC_PA_SRC_RMIXEN		5
#define SUN8I_ADDA_DAC_PA_SRC_LMIXEN		4
#define SUN8I_ADDA_DAC_PA_SRC_RHPPAMUTE		3
#define SUN8I_ADDA_DAC_PA_SRC_LHPPAMUTE		2
#define SUN8I_ADDA_DAC_PA_SRC_RHPIS		1
#define SUN8I_ADDA_DAC_PA_SRC_LHPIS		0
#define SUN8I_ADDA_PHONEIN_GCTRL	0x04
#define SUN8I_ADDA_PHONEIN_GCTRL_PHONEPG	4
#define SUN8I_ADDA_PHONEIN_GCTRL_PHONENG	0
#define SUN8I_ADDA_LINEIN_GCTRL		0x05
#define SUN8I_ADDA_LINEIN_GCTRL_LINEING		4
#define SUN8I_ADDA_LINEIN_GCTRL_PHONEG		0
#define SUN8I_ADDA_MICIN_GCTRL		0x06
#define SUN8I_ADDA_MICIN_GCTRL_MIC1G		4
#define SUN8I_ADDA_MICIN_GCTRL_MIC2G		0
#define SUN8I_ADDA_PAEN_HP_CTRL		0x07
#define SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN		7
#define SUN8I_ADDA_PAEN_HP_CTRL_LINEOUTEN	7	/* H3 specific */
#define SUN8I_ADDA_PAEN_HP_CTRL_HPCOM_FC	5
#define SUN8I_ADDA_PAEN_HP_CTRL_COMPTEN		4
#define SUN8I_ADDA_PAEN_HP_CTRL_PA_ANTI_POP_CTRL	2
#define SUN8I_ADDA_PAEN_HP_CTRL_LTRNMUTE	1
#define SUN8I_ADDA_PAEN_HP_CTRL_RTLNMUTE	0
#define SUN8I_ADDA_PHONEOUT_CTRL	0x08
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUTG	5
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUTEN	4
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_MIC1	3
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_MIC2	2
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_RMIX	1
#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_LMIX	0
#define SUN8I_ADDA_PHONE_GAIN_CTRL	0x09
#define SUN8I_ADDA_PHONE_GAIN_CTRL_LINEOUT_VOL	3
#define SUN8I_ADDA_PHONE_GAIN_CTRL_PHONEPREG	0
#define SUN8I_ADDA_MIC2G_CTRL		0x0a
#define SUN8I_ADDA_MIC2G_CTRL_MIC2AMPEN		7
#define SUN8I_ADDA_MIC2G_CTRL_MIC2BOOST		4
#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTLEN	3
#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTREN	2
#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTLSRC	1
#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTRSRC	0
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL	0x0b
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIASEN	7
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MMICBIASEN	6
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIAS_MODE	5
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1AMPEN		3
#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1BOOST		0
#define SUN8I_ADDA_LADCMIXSC		0x0c
#define SUN8I_ADDA_LADCMIXSC_MIC1		6
#define SUN8I_ADDA_LADCMIXSC_MIC2		5
#define SUN8I_ADDA_LADCMIXSC_PHONE		4
#define SUN8I_ADDA_LADCMIXSC_PHONEN		3
#define SUN8I_ADDA_LADCMIXSC_LINEINL		2
#define SUN8I_ADDA_LADCMIXSC_OMIXRL		1
#define SUN8I_ADDA_LADCMIXSC_OMIXRR		0
#define SUN8I_ADDA_RADCMIXSC		0x0d
#define SUN8I_ADDA_RADCMIXSC_MIC1		6
#define SUN8I_ADDA_RADCMIXSC_MIC2		5
#define SUN8I_ADDA_RADCMIXSC_PHONE		4
#define SUN8I_ADDA_RADCMIXSC_PHONEP		3
#define SUN8I_ADDA_RADCMIXSC_LINEINR		2
#define SUN8I_ADDA_RADCMIXSC_OMIXR		1
#define SUN8I_ADDA_RADCMIXSC_OMIXL		0
#define SUN8I_ADDA_RES			0x0e
#define SUN8I_ADDA_RES_MMICBIAS_SEL		4
#define SUN8I_ADDA_RES_PA_ANTI_POP_CTRL		0
#define SUN8I_ADDA_ADC_AP_EN		0x0f
#define SUN8I_ADDA_ADC_AP_EN_ADCREN		7
#define SUN8I_ADDA_ADC_AP_EN_ADCLEN		6
#define SUN8I_ADDA_ADC_AP_EN_ADCG		0

/* Analog control register access bits */
#define ADDA_PR			0x0		/* PRCM base + 0x1c0 */
#define ADDA_PR_RESET			BIT(28)
#define ADDA_PR_WRITE			BIT(24)
#define ADDA_PR_ADDR_SHIFT		16
#define ADDA_PR_ADDR_MASK		GENMASK(4, 0)
#define ADDA_PR_DATA_IN_SHIFT		8
#define ADDA_PR_DATA_IN_MASK		GENMASK(7, 0)
#define ADDA_PR_DATA_OUT_SHIFT		0
#define ADDA_PR_DATA_OUT_MASK		GENMASK(7, 0)

/* regmap access bits */
static int adda_reg_read(void *context, unsigned int reg, unsigned int *val)
{
	void __iomem *base = (void __iomem *)context;
	u32 tmp;

	/* De-assert reset */
	writel(readl(base) | ADDA_PR_RESET, base);

	/* Clear write bit */
	writel(readl(base) & ~ADDA_PR_WRITE, base);

	/* Set register address */
	tmp = readl(base);
	tmp &= ~(ADDA_PR_ADDR_MASK << ADDA_PR_ADDR_SHIFT);
	tmp |= (reg & ADDA_PR_ADDR_MASK) << ADDA_PR_ADDR_SHIFT;
	writel(tmp, base);

	/* Read back value */
	*val = readl(base) & ADDA_PR_DATA_OUT_MASK;

	return 0;
}

static int adda_reg_write(void *context, unsigned int reg, unsigned int val)
{
	void __iomem *base = (void __iomem *)context;
	u32 tmp;

	/* De-assert reset */
	writel(readl(base) | ADDA_PR_RESET, base);

	/* Set register address */
	tmp = readl(base);
	tmp &= ~(ADDA_PR_ADDR_MASK << ADDA_PR_ADDR_SHIFT);
	tmp |= (reg & ADDA_PR_ADDR_MASK) << ADDA_PR_ADDR_SHIFT;
	writel(tmp, base);

	/* Set data to write */
	tmp = readl(base);
	tmp &= ~(ADDA_PR_DATA_IN_MASK << ADDA_PR_DATA_IN_SHIFT);
	tmp |= (val & ADDA_PR_DATA_IN_MASK) << ADDA_PR_DATA_IN_SHIFT;
	writel(tmp, base);

	/* Set write bit to signal a write */
	writel(readl(base) | ADDA_PR_WRITE, base);

	/* Clear write bit */
	writel(readl(base) & ~ADDA_PR_WRITE, base);

	return 0;
}

static const struct regmap_config adda_pr_regmap_cfg = {
	.name		= "adda-pr",
	.reg_bits	= 5,
	.reg_stride	= 1,
	.val_bits	= 8,
	.reg_read	= adda_reg_read,
	.reg_write	= adda_reg_write,
	.fast_io	= true,
	.max_register	= 24,
};

/* mixer controls */
static const struct snd_kcontrol_new sun8i_codec_mixer_controls[] = {
	SOC_DAPM_DOUBLE_R("DAC Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_DACL, 1, 0),
	SOC_DAPM_DOUBLE_R("DAC Reversed Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_DACR, 1, 0),
	SOC_DAPM_DOUBLE_R("Line In Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_LINEINL, 1, 0),
	SOC_DAPM_DOUBLE_R("Mic1 Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_MIC1, 1, 0),
	SOC_DAPM_DOUBLE_R("Mic2 Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_MIC2, 1, 0),
};

/* mixer controls */
static const struct snd_kcontrol_new sun8i_v3s_codec_mixer_controls[] = {
	SOC_DAPM_DOUBLE_R("DAC Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_DACL, 1, 0),
	SOC_DAPM_DOUBLE_R("DAC Reversed Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_DACR, 1, 0),
	SOC_DAPM_DOUBLE_R("Mic1 Playback Switch",
			  SUN8I_ADDA_LOMIXSC,
			  SUN8I_ADDA_ROMIXSC,
			  SUN8I_ADDA_LOMIXSC_MIC1, 1, 0),
};

/* ADC mixer controls */
static const struct snd_kcontrol_new sun8i_codec_adc_mixer_controls[] = {
	SOC_DAPM_DOUBLE_R("Mixer Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_OMIXRL, 1, 0),
	SOC_DAPM_DOUBLE_R("Mixer Reversed Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_OMIXRR, 1, 0),
	SOC_DAPM_DOUBLE_R("Line In Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_LINEINL, 1, 0),
	SOC_DAPM_DOUBLE_R("Mic1 Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_MIC1, 1, 0),
	SOC_DAPM_DOUBLE_R("Mic2 Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_MIC2, 1, 0),
};

/* ADC mixer controls */
static const struct snd_kcontrol_new sun8i_v3s_codec_adc_mixer_controls[] = {
	SOC_DAPM_DOUBLE_R("Mixer Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_OMIXRL, 1, 0),
	SOC_DAPM_DOUBLE_R("Mixer Reversed Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_OMIXRR, 1, 0),
	SOC_DAPM_DOUBLE_R("Mic1 Capture Switch",
			  SUN8I_ADDA_LADCMIXSC,
			  SUN8I_ADDA_RADCMIXSC,
			  SUN8I_ADDA_LADCMIXSC_MIC1, 1, 0),
};

/* volume / mute controls */
static const DECLARE_TLV_DB_SCALE(sun8i_codec_out_mixer_pregain_scale,
				  -450, 150, 0);
static const DECLARE_TLV_DB_RANGE(sun8i_codec_mic_gain_scale,
	0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
	1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0),
);

static const struct snd_kcontrol_new sun8i_codec_common_controls[] = {
	/* Mixer pre-gain */
	SOC_SINGLE_TLV("Mic1 Playback Volume", SUN8I_ADDA_MICIN_GCTRL,
		       SUN8I_ADDA_MICIN_GCTRL_MIC1G,
		       0x7, 0, sun8i_codec_out_mixer_pregain_scale),

	/* Microphone Amp boost gain */
	SOC_SINGLE_TLV("Mic1 Boost Volume", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
		       SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1BOOST, 0x7, 0,
		       sun8i_codec_mic_gain_scale),

	/* ADC */
	SOC_SINGLE_TLV("ADC Gain Capture Volume", SUN8I_ADDA_ADC_AP_EN,
		       SUN8I_ADDA_ADC_AP_EN_ADCG, 0x7, 0,
		       sun8i_codec_out_mixer_pregain_scale),
};

static const struct snd_soc_dapm_widget sun8i_codec_common_widgets[] = {
	/* ADC */
	SND_SOC_DAPM_ADC("Left ADC", NULL, SUN8I_ADDA_ADC_AP_EN,
			 SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0),
	SND_SOC_DAPM_ADC("Right ADC", NULL, SUN8I_ADDA_ADC_AP_EN,
			 SUN8I_ADDA_ADC_AP_EN_ADCREN, 0),

	/* DAC */
	SND_SOC_DAPM_DAC("Left DAC", NULL, SUN8I_ADDA_DAC_PA_SRC,
			 SUN8I_ADDA_DAC_PA_SRC_DACALEN, 0),
	SND_SOC_DAPM_DAC("Right DAC", NULL, SUN8I_ADDA_DAC_PA_SRC,
			 SUN8I_ADDA_DAC_PA_SRC_DACAREN, 0),
	/*
	 * Due to this component and the codec belonging to separate DAPM
	 * contexts, we need to manually link the above widgets to their
	 * stream widgets at the card level.
	 */

	/* Microphone input */
	SND_SOC_DAPM_INPUT("MIC1"),

	/* Mic input path */
	SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
			 SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1AMPEN, 0, NULL, 0),
};

static const struct snd_soc_dapm_widget sun8i_codec_mixer_widgets[] = {
	SND_SOC_DAPM_MIXER("Left Mixer", SUN8I_ADDA_DAC_PA_SRC,
			   SUN8I_ADDA_DAC_PA_SRC_LMIXEN, 0,
			   sun8i_codec_mixer_controls,
			   ARRAY_SIZE(sun8i_codec_mixer_controls)),
	SND_SOC_DAPM_MIXER("Right Mixer", SUN8I_ADDA_DAC_PA_SRC,
			   SUN8I_ADDA_DAC_PA_SRC_RMIXEN, 0,
			   sun8i_codec_mixer_controls,
			   ARRAY_SIZE(sun8i_codec_mixer_controls)),
	SND_SOC_DAPM_MIXER("Left ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
			   SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0,
			   sun8i_codec_adc_mixer_controls,
			   ARRAY_SIZE(sun8i_codec_adc_mixer_controls)),
	SND_SOC_DAPM_MIXER("Right ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
			   SUN8I_ADDA_ADC_AP_EN_ADCREN, 0,
			   sun8i_codec_adc_mixer_controls,
			   ARRAY_SIZE(sun8i_codec_adc_mixer_controls)),
};

static const struct snd_soc_dapm_widget sun8i_v3s_codec_mixer_widgets[] = {
	SND_SOC_DAPM_MIXER("Left Mixer", SUN8I_ADDA_DAC_PA_SRC,
			   SUN8I_ADDA_DAC_PA_SRC_LMIXEN, 0,
			   sun8i_v3s_codec_mixer_controls,
			   ARRAY_SIZE(sun8i_v3s_codec_mixer_controls)),
	SND_SOC_DAPM_MIXER("Right Mixer", SUN8I_ADDA_DAC_PA_SRC,
			   SUN8I_ADDA_DAC_PA_SRC_RMIXEN, 0,
			   sun8i_v3s_codec_mixer_controls,
			   ARRAY_SIZE(sun8i_v3s_codec_mixer_controls)),
	SND_SOC_DAPM_MIXER("Left ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
			   SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0,
			   sun8i_v3s_codec_adc_mixer_controls,
			   ARRAY_SIZE(sun8i_v3s_codec_adc_mixer_controls)),
	SND_SOC_DAPM_MIXER("Right ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
			   SUN8I_ADDA_ADC_AP_EN_ADCREN, 0,
			   sun8i_v3s_codec_adc_mixer_controls,
			   ARRAY_SIZE(sun8i_v3s_codec_adc_mixer_controls)),
};

static const struct snd_soc_dapm_route sun8i_codec_common_routes[] = {
	/* Microphone Routes */
	{ "Mic1 Amplifier", NULL, "MIC1"},
};

static const struct snd_soc_dapm_route sun8i_codec_mixer_routes[] = {
	/* Left Mixer Routes */
	{ "Left Mixer", "DAC Playback Switch", "Left DAC" },
	{ "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" },
	{ "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },

	/* Right Mixer Routes */
	{ "Right Mixer", "DAC Playback Switch", "Right DAC" },
	{ "Right Mixer", "DAC Reversed Playback Switch", "Left DAC" },
	{ "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },

	/* Left ADC Mixer Routes */
	{ "Left ADC Mixer", "Mixer Capture Switch", "Left Mixer" },
	{ "Left ADC Mixer", "Mixer Reversed Capture Switch", "Right Mixer" },
	{ "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },

	/* Right ADC Mixer Routes */
	{ "Right ADC Mixer", "Mixer Capture Switch", "Right Mixer" },
	{ "Right ADC Mixer", "Mixer Reversed Capture Switch", "Left Mixer" },
	{ "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },

	/* ADC Routes */
	{ "Left ADC", NULL, "Left ADC Mixer" },
	{ "Right ADC", NULL, "Right ADC Mixer" },
};

/* headphone specific controls, widgets, and routes */
static const DECLARE_TLV_DB_SCALE(sun8i_codec_hp_vol_scale, -6300, 100, 1);
static const struct snd_kcontrol_new sun8i_codec_headphone_controls[] = {
	SOC_SINGLE_TLV("Headphone Playback Volume",
		       SUN8I_ADDA_HP_VOLC,
		       SUN8I_ADDA_HP_VOLC_HP_VOL, 0x3f, 0,
		       sun8i_codec_hp_vol_scale),
	SOC_DOUBLE("Headphone Playback Switch",
		   SUN8I_ADDA_DAC_PA_SRC,
		   SUN8I_ADDA_DAC_PA_SRC_LHPPAMUTE,
		   SUN8I_ADDA_DAC_PA_SRC_RHPPAMUTE, 1, 0),
};

static const char * const sun8i_codec_hp_src_enum_text[] = {
	"DAC", "Mixer",
};

static SOC_ENUM_DOUBLE_DECL(sun8i_codec_hp_src_enum,
			    SUN8I_ADDA_DAC_PA_SRC,
			    SUN8I_ADDA_DAC_PA_SRC_LHPIS,
			    SUN8I_ADDA_DAC_PA_SRC_RHPIS,
			    sun8i_codec_hp_src_enum_text);

static const struct snd_kcontrol_new sun8i_codec_hp_src[] = {
	SOC_DAPM_ENUM("Headphone Source Playback Route",
		      sun8i_codec_hp_src_enum),
};

static int sun8i_headphone_amp_event(struct snd_soc_dapm_widget *w,
				     struct snd_kcontrol *k, int event)
{
	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);

	if (SND_SOC_DAPM_EVENT_ON(event)) {
		snd_soc_component_update_bits(component, SUN8I_ADDA_PAEN_HP_CTRL,
					      BIT(SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN),
					      BIT(SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN));
		/*
		 * Need a delay to have the amplifier up. 700ms seems the best
		 * compromise between the time to let the amplifier up and the
		 * time not to feel this delay while playing a sound.
		 */
		msleep(700);
	} else if (SND_SOC_DAPM_EVENT_OFF(event)) {
		snd_soc_component_update_bits(component, SUN8I_ADDA_PAEN_HP_CTRL,
					      BIT(SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN),
					      0x0);
	}

	return 0;
}

static const struct snd_soc_dapm_widget sun8i_codec_headphone_widgets[] = {
	SND_SOC_DAPM_MUX("Headphone Source Playback Route",
			 SND_SOC_NOPM, 0, 0, sun8i_codec_hp_src),
	SND_SOC_DAPM_OUT_DRV_E("Headphone Amp", SUN8I_ADDA_PAEN_HP_CTRL,
			       SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN, 0, NULL, 0,
			       sun8i_headphone_amp_event,
			       SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
	SND_SOC_DAPM_SUPPLY("HPCOM Protection", SUN8I_ADDA_PAEN_HP_CTRL,
			    SUN8I_ADDA_PAEN_HP_CTRL_COMPTEN, 0, NULL, 0),
	SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN8I_ADDA_PAEN_HP_CTRL,
			 SUN8I_ADDA_PAEN_HP_CTRL_HPCOM_FC, 0x3, 0x3, 0),
	SND_SOC_DAPM_OUTPUT("HP"),
};

static const struct snd_soc_dapm_route sun8i_codec_headphone_routes[] = {
	{ "Headphone Source Playback Route", "DAC", "Left DAC" },
	{ "Headphone Source Playback Route", "DAC", "Right DAC" },
	{ "Headphone Source Playback Route", "Mixer", "Left Mixer" },
	{ "Headphone Source Playback Route", "Mixer", "Right Mixer" },
	{ "Headphone Amp", NULL, "Headphone Source Playback Route" },
	{ "HPCOM", NULL, "HPCOM Protection" },
	{ "HP", NULL, "Headphone Amp" },
};

static int sun8i_codec_add_headphone(struct snd_soc_component *cmpnt)
{
	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
	struct device *dev = cmpnt->dev;
	int ret;

	ret = snd_soc_add_component_controls(cmpnt,
					     sun8i_codec_headphone_controls,
					     ARRAY_SIZE(sun8i_codec_headphone_controls));
	if (ret) {
		dev_err(dev, "Failed to add Headphone controls: %d\n", ret);
		return ret;
	}

	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_headphone_widgets,
					ARRAY_SIZE(sun8i_codec_headphone_widgets));
	if (ret) {
		dev_err(dev, "Failed to add Headphone DAPM widgets: %d\n", ret);
		return ret;
	}

	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_headphone_routes,
				      ARRAY_SIZE(sun8i_codec_headphone_routes));
	if (ret) {
		dev_err(dev, "Failed to add Headphone DAPM routes: %d\n", ret);
		return ret;
	}

	return 0;
}

/* mbias specific widget */
static const struct snd_soc_dapm_widget sun8i_codec_mbias_widgets[] = {
	SND_SOC_DAPM_SUPPLY("MBIAS", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
			    SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MMICBIASEN,
			    0, NULL, 0),
};

static int sun8i_codec_add_mbias(struct snd_soc_component *cmpnt)
{
	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
	struct device *dev = cmpnt->dev;
	int ret;

	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_mbias_widgets,
					ARRAY_SIZE(sun8i_codec_mbias_widgets));
	if (ret)
		dev_err(dev, "Failed to add MBIAS DAPM widgets: %d\n", ret);

	return ret;
}

/* hmic specific widget */
static const struct snd_soc_dapm_widget sun8i_codec_hmic_widgets[] = {
	SND_SOC_DAPM_SUPPLY("HBIAS", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
			    SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIASEN,
			    0, NULL, 0),
};

static int sun8i_codec_add_hmic(struct snd_soc_component *cmpnt)
{
	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
	struct device *dev = cmpnt->dev;
	int ret;

	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_hmic_widgets,
					ARRAY_SIZE(sun8i_codec_hmic_widgets));
	if (ret)
		dev_err(dev, "Failed to add Mic3 DAPM widgets: %d\n", ret);

	return ret;
}

/* line in specific controls, widgets and rines */
static const struct snd_kcontrol_new sun8i_codec_linein_controls[] = {
	/* Mixer pre-gain */
	SOC_SINGLE_TLV("Line In Playback Volume", SUN8I_ADDA_LINEIN_GCTRL,
		       SUN8I_ADDA_LINEIN_GCTRL_LINEING,
		       0x7, 0, sun8i_codec_out_mixer_pregain_scale),
};

static const struct snd_soc_dapm_widget sun8i_codec_linein_widgets[] = {
	/* Line input */
	SND_SOC_DAPM_INPUT("LINEIN"),
};

static const struct snd_soc_dapm_route sun8i_codec_linein_routes[] = {
	{ "Left Mixer", "Line In Playback Switch", "LINEIN" },

	{ "Right Mixer", "Line In Playback Switch", "LINEIN" },

	{ "Left ADC Mixer", "Line In Capture Switch", "LINEIN" },

	{ "Right ADC Mixer", "Line In Capture Switch", "LINEIN" },
};

static int sun8i_codec_add_linein(struct snd_soc_component *cmpnt)
{
	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
	struct device *dev = cmpnt->dev;
	int ret;

	ret = snd_soc_add_component_controls(cmpnt,
					     sun8i_codec_linein_controls,
					     ARRAY_SIZE(sun8i_codec_linein_controls));
	if (ret) {
		dev_err(dev, "Failed to add Line In controls: %d\n", ret);
		return ret;
	}

	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_linein_widgets,
					ARRAY_SIZE(sun8i_codec_linein_widgets));
	if (ret) {
		dev_err(dev, "Failed to add Line In DAPM widgets: %d\n", ret);
		return ret;
	}

	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_linein_routes,
				      ARRAY_SIZE(sun8i_codec_linein_routes));
	if (ret) {
		dev_err(dev, "Failed to add Line In DAPM routes: %d\n", ret);
		return ret;
	}

	return 0;
}


/* line out specific controls, widgets and routes */
static const DECLARE_TLV_DB_RANGE(sun8i_codec_lineout_vol_scale,
	0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
	2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
);
static const struct snd_kcontrol_new sun8i_codec_lineout_controls[] = {
	SOC_SINGLE_TLV("Line Out Playback Volume",
		       SUN8I_ADDA_PHONE_GAIN_CTRL,
		       SUN8I_ADDA_PHONE_GAIN_CTRL_LINEOUT_VOL, 0x1f, 0,
		       sun8i_codec_lineout_vol_scale),
	SOC_DOUBLE("Line Out Playback Switch",
		   SUN8I_ADDA_MIC2G_CTRL,
		   SUN8I_ADDA_MIC2G_CTRL_LINEOUTLEN,
		   SUN8I_ADDA_MIC2G_CTRL_LINEOUTREN, 1, 0),
};

static const char * const sun8i_codec_lineout_src_enum_text[] = {
	"Stereo", "Mono Differential",
};

static SOC_ENUM_DOUBLE_DECL(sun8i_codec_lineout_src_enum,
			    SUN8I_ADDA_MIC2G_CTRL,
			    SUN8I_ADDA_MIC2G_CTRL_LINEOUTLSRC,
			    SUN8I_ADDA_MIC2G_CTRL_LINEOUTRSRC,
			    sun8i_codec_lineout_src_enum_text);

static const struct snd_kcontrol_new sun8i_codec_lineout_src[] = {
	SOC_DAPM_ENUM("Line Out Source Playback Route",
		      sun8i_codec_lineout_src_enum),
};

static const struct snd_soc_dapm_widget sun8i_codec_lineout_widgets[] = {
	SND_SOC_DAPM_MUX("Line Out Source Playback Route",
			 SND_SOC_NOPM, 0, 0, sun8i_codec_lineout_src),
	/* It is unclear if this is a buffer or gate, model it as a supply */
	SND_SOC_DAPM_SUPPLY("Line Out Enable", SUN8I_ADDA_PAEN_HP_CTRL,
			    SUN8I_ADDA_PAEN_HP_CTRL_LINEOUTEN, 0, NULL, 0),
	SND_SOC_DAPM_OUTPUT("LINEOUT"),
};

static const struct snd_soc_dapm_route sun8i_codec_lineout_routes[] = {
	{ "Line Out Source Playback Route", "Stereo", "Left Mixer" },
	{ "Line Out Source Playback Route", "Stereo", "Right Mixer" },
	{ "Line Out Source Playback Route", "Mono Differential", "Left Mixer" },
	{ "Line Out Source Playback Route", "Mono Differential", "Right Mixer" },
	{ "LINEOUT", NULL, "Line Out Source Playback Route" },
	{ "LINEOUT", NULL, "Line Out Enable", },
};

static int sun8i_codec_add_lineout(struct snd_soc_component *cmpnt)
{
	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
	struct device *dev = cmpnt->dev;
	int ret;

	ret = snd_soc_add_component_controls(cmpnt,
					     sun8i_codec_lineout_controls,
					     ARRAY_SIZE(sun8i_codec_lineout_controls));
	if (ret) {
		dev_err(dev, "Failed to add Line Out controls: %d\n", ret);
		return ret;
	}

	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_lineout_widgets,
					ARRAY_SIZE(sun8i_codec_lineout_widgets));
	if (ret) {
		dev_err(dev, "Failed to add Line Out DAPM widgets: %d\n", ret);
		return ret;
	}

	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_lineout_routes,
				      ARRAY_SIZE(sun8i_codec_lineout_routes));
	if (ret) {
		dev_err(dev, "Failed to add Line Out DAPM routes: %d\n", ret);
		return ret;
	}

	return 0;
}

/* mic2 specific controls, widgets and routes */
static const struct snd_kcontrol_new sun8i_codec_mic2_controls[] = {
	/* Mixer pre-gain */
	SOC_SINGLE_TLV("Mic2 Playback Volume",
		       SUN8I_ADDA_MICIN_GCTRL, SUN8I_ADDA_MICIN_GCTRL_MIC2G,
		       0x7, 0, sun8i_codec_out_mixer_pregain_scale),

	/* Microphone Amp boost gain */
	SOC_SINGLE_TLV("Mic2 Boost Volume", SUN8I_ADDA_MIC2G_CTRL,
		       SUN8I_ADDA_MIC2G_CTRL_MIC2BOOST, 0x7, 0,
		       sun8i_codec_mic_gain_scale),
};

static const struct snd_soc_dapm_widget sun8i_codec_mic2_widgets[] = {
	/* Microphone input */
	SND_SOC_DAPM_INPUT("MIC2"),

	/* Mic input path */
	SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN8I_ADDA_MIC2G_CTRL,
			 SUN8I_ADDA_MIC2G_CTRL_MIC2AMPEN, 0, NULL, 0),
};

static const struct snd_soc_dapm_route sun8i_codec_mic2_routes[] = {
	{ "Mic2 Amplifier", NULL, "MIC2"},

	{ "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },

	{ "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },

	{ "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },

	{ "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
};

static int sun8i_codec_add_mic2(struct snd_soc_component *cmpnt)
{
	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
	struct device *dev = cmpnt->dev;
	int ret;

	ret = snd_soc_add_component_controls(cmpnt,
					     sun8i_codec_mic2_controls,
					     ARRAY_SIZE(sun8i_codec_mic2_controls));
	if (ret) {
		dev_err(dev, "Failed to add MIC2 controls: %d\n", ret);
		return ret;
	}

	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_mic2_widgets,
					ARRAY_SIZE(sun8i_codec_mic2_widgets));
	if (ret) {
		dev_err(dev, "Failed to add MIC2 DAPM widgets: %d\n", ret);
		return ret;
	}

	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_mic2_routes,
				      ARRAY_SIZE(sun8i_codec_mic2_routes));
	if (ret) {
		dev_err(dev, "Failed to add MIC2 DAPM routes: %d\n", ret);
		return ret;
	}

	return 0;
}

struct sun8i_codec_analog_quirks {
	bool has_headphone;
	bool has_hmic;
	bool has_linein;
	bool has_lineout;
	bool has_mbias;
	bool has_mic2;
};

static const struct sun8i_codec_analog_quirks sun8i_a23_quirks = {
	.has_headphone	= true,
	.has_hmic	= true,
	.has_linein	= true,
	.has_mbias	= true,
	.has_mic2	= true,
};

static const struct sun8i_codec_analog_quirks sun8i_h3_quirks = {
	.has_linein	= true,
	.has_lineout	= true,
	.has_mbias	= true,
	.has_mic2	= true,
};

static int sun8i_codec_analog_add_mixer(struct snd_soc_component *cmpnt,
					const struct sun8i_codec_analog_quirks *quirks)
{
	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
	struct device *dev = cmpnt->dev;
	int ret;

	if (!quirks->has_mic2 && !quirks->has_linein) {
		/*
		 * Apply the special widget set which has uses a control
		 * without MIC2 and Line In, for SoCs without these.
		 * TODO: not all special cases are supported now, this case
		 * is present because it's the case of V3s.
		 */
		ret = snd_soc_dapm_new_controls(dapm,
						sun8i_v3s_codec_mixer_widgets,
						ARRAY_SIZE(sun8i_v3s_codec_mixer_widgets));
		if (ret) {
			dev_err(dev, "Failed to add V3s Mixer DAPM widgets: %d\n", ret);
			return ret;
		}
	} else {
		/* Apply the generic mixer widget set. */
		ret = snd_soc_dapm_new_controls(dapm,
						sun8i_codec_mixer_widgets,
						ARRAY_SIZE(sun8i_codec_mixer_widgets));
		if (ret) {
			dev_err(dev, "Failed to add Mixer DAPM widgets: %d\n", ret);
			return ret;
		}
	}

	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_mixer_routes,
				      ARRAY_SIZE(sun8i_codec_mixer_routes));
	if (ret) {
		dev_err(dev, "Failed to add Mixer DAPM routes: %d\n", ret);
		return ret;
	}

	return 0;
}

static const struct sun8i_codec_analog_quirks sun8i_v3s_quirks = {
	.has_headphone	= true,
	.has_hmic	= true,
};

static int sun8i_codec_analog_cmpnt_probe(struct snd_soc_component *cmpnt)
{
	struct device *dev = cmpnt->dev;
	const struct sun8i_codec_analog_quirks *quirks;
	int ret;

	/*
	 * This would never return NULL unless someone directly registers a
	 * platform device matching this driver's name, without specifying a
	 * device tree node.
	 */
	quirks = of_device_get_match_data(dev);

	/* Add controls, widgets, and routes for individual features */
	ret = sun8i_codec_analog_add_mixer(cmpnt, quirks);
	if (ret)
		return ret;

	if (quirks->has_headphone) {
		ret = sun8i_codec_add_headphone(cmpnt);
		if (ret)
			return ret;
	}

	if (quirks->has_hmic) {
		ret = sun8i_codec_add_hmic(cmpnt);
		if (ret)
			return ret;
	}

	if (quirks->has_linein) {
		ret = sun8i_codec_add_linein(cmpnt);
		if (ret)
			return ret;
	}

	if (quirks->has_lineout) {
		ret = sun8i_codec_add_lineout(cmpnt);
		if (ret)
			return ret;
	}

	if (quirks->has_mbias) {
		ret = sun8i_codec_add_mbias(cmpnt);
		if (ret)
			return ret;
	}

	if (quirks->has_mic2) {
		ret = sun8i_codec_add_mic2(cmpnt);
		if (ret)
			return ret;
	}

	return 0;
}

static const struct snd_soc_component_driver sun8i_codec_analog_cmpnt_drv = {
	.controls		= sun8i_codec_common_controls,
	.num_controls		= ARRAY_SIZE(sun8i_codec_common_controls),
	.dapm_widgets		= sun8i_codec_common_widgets,
	.num_dapm_widgets	= ARRAY_SIZE(sun8i_codec_common_widgets),
	.dapm_routes		= sun8i_codec_common_routes,
	.num_dapm_routes	= ARRAY_SIZE(sun8i_codec_common_routes),
	.probe			= sun8i_codec_analog_cmpnt_probe,
};

static const struct of_device_id sun8i_codec_analog_of_match[] = {
	{
		.compatible = "allwinner,sun8i-a23-codec-analog",
		.data = &sun8i_a23_quirks,
	},
	{
		.compatible = "allwinner,sun8i-h3-codec-analog",
		.data = &sun8i_h3_quirks,
	},
	{
		.compatible = "allwinner,sun8i-v3s-codec-analog",
		.data = &sun8i_v3s_quirks,
	},
	{}
};
MODULE_DEVICE_TABLE(of, sun8i_codec_analog_of_match);

static int sun8i_codec_analog_probe(struct platform_device *pdev)
{
	struct resource *res;
	struct regmap *regmap;
	void __iomem *base;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	base = devm_ioremap_resource(&pdev->dev, res);
	if (IS_ERR(base)) {
		dev_err(&pdev->dev, "Failed to map the registers\n");
		return PTR_ERR(base);
	}

	regmap = devm_regmap_init(&pdev->dev, NULL, base, &adda_pr_regmap_cfg);
	if (IS_ERR(regmap)) {
		dev_err(&pdev->dev, "Failed to create regmap\n");
		return PTR_ERR(regmap);
	}

	return devm_snd_soc_register_component(&pdev->dev,
					       &sun8i_codec_analog_cmpnt_drv,
					       NULL, 0);
}

static struct platform_driver sun8i_codec_analog_driver = {
	.driver = {
		.name = "sun8i-codec-analog",
		.of_match_table = sun8i_codec_analog_of_match,
	},
	.probe = sun8i_codec_analog_probe,
};
module_platform_driver(sun8i_codec_analog_driver);

MODULE_DESCRIPTION("Allwinner internal codec analog controls driver");
MODULE_AUTHOR("Chen-Yu Tsai <wens@csie.org>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:sun8i-codec-analog");