1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
|
/*
* rt5514.c -- RT5514 ALSA SoC audio codec driver
*
* Copyright 2015 Realtek Semiconductor Corp.
* Author: Oder Chiou <oder_chiou@realtek.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/fs.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/regmap.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/firmware.h>
#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include "rl6231.h"
#include "rt5514.h"
#if defined(CONFIG_SND_SOC_RT5514_SPI)
#include "rt5514-spi.h"
#endif
static const struct reg_sequence rt5514_i2c_patch[] = {
{0x1800101c, 0x00000000},
{0x18001100, 0x0000031f},
{0x18001104, 0x00000007},
{0x18001108, 0x00000000},
{0x1800110c, 0x00000000},
{0x18001110, 0x00000000},
{0x18001114, 0x00000001},
{0x18001118, 0x00000000},
{0x18002f08, 0x00000006},
{0x18002f00, 0x00055149},
{0x18002f00, 0x0005514b},
{0x18002f00, 0x00055149},
{0xfafafafa, 0x00000001},
{0x18002f10, 0x00000001},
{0x18002f10, 0x00000000},
{0x18002f10, 0x00000001},
{0xfafafafa, 0x00000001},
{0x18002000, 0x000010ec},
{0xfafafafa, 0x00000000},
};
static const struct reg_sequence rt5514_patch[] = {
{RT5514_DIG_IO_CTRL, 0x00000040},
{RT5514_CLK_CTRL1, 0x38020041},
{RT5514_SRC_CTRL, 0x44000eee},
{RT5514_ANA_CTRL_LDO10, 0x00028604},
{RT5514_ANA_CTRL_ADCFED, 0x00000800},
};
static const struct reg_default rt5514_reg[] = {
{RT5514_RESET, 0x00000000},
{RT5514_PWR_ANA1, 0x00808880},
{RT5514_PWR_ANA2, 0x00220000},
{RT5514_I2S_CTRL1, 0x00000330},
{RT5514_I2S_CTRL2, 0x20000000},
{RT5514_VAD_CTRL6, 0xc00007d2},
{RT5514_EXT_VAD_CTRL, 0x80000080},
{RT5514_DIG_IO_CTRL, 0x00000040},
{RT5514_PAD_CTRL1, 0x00804000},
{RT5514_DMIC_DATA_CTRL, 0x00000005},
{RT5514_DIG_SOURCE_CTRL, 0x00000002},
{RT5514_SRC_CTRL, 0x44000eee},
{RT5514_DOWNFILTER2_CTRL1, 0x0000882f},
{RT5514_PLL_SOURCE_CTRL, 0x00000004},
{RT5514_CLK_CTRL1, 0x38020041},
{RT5514_CLK_CTRL2, 0x00000000},
{RT5514_PLL3_CALIB_CTRL1, 0x00400200},
{RT5514_PLL3_CALIB_CTRL5, 0x40220012},
{RT5514_DELAY_BUF_CTRL1, 0x7fff006a},
{RT5514_DELAY_BUF_CTRL3, 0x00000000},
{RT5514_DOWNFILTER0_CTRL1, 0x00020c2f},
{RT5514_DOWNFILTER0_CTRL2, 0x00020c2f},
{RT5514_DOWNFILTER0_CTRL3, 0x00000362},
{RT5514_DOWNFILTER1_CTRL1, 0x00020c2f},
{RT5514_DOWNFILTER1_CTRL2, 0x00020c2f},
{RT5514_DOWNFILTER1_CTRL3, 0x00000362},
{RT5514_ANA_CTRL_LDO10, 0x00028604},
{RT5514_ANA_CTRL_LDO18_16, 0x02000345},
{RT5514_ANA_CTRL_ADC12, 0x0000a2a8},
{RT5514_ANA_CTRL_ADC21, 0x00001180},
{RT5514_ANA_CTRL_ADC22, 0x0000aaa8},
{RT5514_ANA_CTRL_ADC23, 0x00151427},
{RT5514_ANA_CTRL_MICBST, 0x00002000},
{RT5514_ANA_CTRL_ADCFED, 0x00000800},
{RT5514_ANA_CTRL_INBUF, 0x00000143},
{RT5514_ANA_CTRL_VREF, 0x00008d50},
{RT5514_ANA_CTRL_PLL3, 0x0000000e},
{RT5514_ANA_CTRL_PLL1_1, 0x00000000},
{RT5514_ANA_CTRL_PLL1_2, 0x00030220},
{RT5514_DMIC_LP_CTRL, 0x00000000},
{RT5514_MISC_CTRL_DSP, 0x00000000},
{RT5514_DSP_CTRL1, 0x00055149},
{RT5514_DSP_CTRL3, 0x00000006},
{RT5514_DSP_CTRL4, 0x00000001},
{RT5514_VENDOR_ID1, 0x00000001},
{RT5514_VENDOR_ID2, 0x10ec5514},
};
static void rt5514_enable_dsp_prepare(struct rt5514_priv *rt5514)
{
/* Reset */
regmap_write(rt5514->i2c_regmap, 0x18002000, 0x000010ec);
/* LDO_I_limit */
regmap_write(rt5514->i2c_regmap, 0x18002200, 0x00028604);
/* I2C bypass enable */
regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000001);
/* mini-core reset */
regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x0005514b);
regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055149);
/* I2C bypass disable */
regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000000);
/* PIN config */
regmap_write(rt5514->i2c_regmap, 0x18002070, 0x00000040);
/* PLL3(QN)=RCOSC*(10+2) */
regmap_write(rt5514->i2c_regmap, 0x18002240, 0x0000000a);
/* PLL3 source=RCOSC, fsi=rt_clk */
regmap_write(rt5514->i2c_regmap, 0x18002100, 0x0000000b);
/* Power on RCOSC, pll3 */
regmap_write(rt5514->i2c_regmap, 0x18002004, 0x00808b81);
/* DSP clk source = pll3, ENABLE DSP clk */
regmap_write(rt5514->i2c_regmap, 0x18002f08, 0x00000005);
/* Enable DSP clk auto switch */
regmap_write(rt5514->i2c_regmap, 0x18001114, 0x00000001);
/* Reduce DSP power */
regmap_write(rt5514->i2c_regmap, 0x18001118, 0x00000001);
}
static bool rt5514_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case RT5514_VENDOR_ID1:
case RT5514_VENDOR_ID2:
return true;
default:
return false;
}
}
static bool rt5514_readable_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case RT5514_RESET:
case RT5514_PWR_ANA1:
case RT5514_PWR_ANA2:
case RT5514_I2S_CTRL1:
case RT5514_I2S_CTRL2:
case RT5514_VAD_CTRL6:
case RT5514_EXT_VAD_CTRL:
case RT5514_DIG_IO_CTRL:
case RT5514_PAD_CTRL1:
case RT5514_DMIC_DATA_CTRL:
case RT5514_DIG_SOURCE_CTRL:
case RT5514_SRC_CTRL:
case RT5514_DOWNFILTER2_CTRL1:
case RT5514_PLL_SOURCE_CTRL:
case RT5514_CLK_CTRL1:
case RT5514_CLK_CTRL2:
case RT5514_PLL3_CALIB_CTRL1:
case RT5514_PLL3_CALIB_CTRL5:
case RT5514_DELAY_BUF_CTRL1:
case RT5514_DELAY_BUF_CTRL3:
case RT5514_DOWNFILTER0_CTRL1:
case RT5514_DOWNFILTER0_CTRL2:
case RT5514_DOWNFILTER0_CTRL3:
case RT5514_DOWNFILTER1_CTRL1:
case RT5514_DOWNFILTER1_CTRL2:
case RT5514_DOWNFILTER1_CTRL3:
case RT5514_ANA_CTRL_LDO10:
case RT5514_ANA_CTRL_LDO18_16:
case RT5514_ANA_CTRL_ADC12:
case RT5514_ANA_CTRL_ADC21:
case RT5514_ANA_CTRL_ADC22:
case RT5514_ANA_CTRL_ADC23:
case RT5514_ANA_CTRL_MICBST:
case RT5514_ANA_CTRL_ADCFED:
case RT5514_ANA_CTRL_INBUF:
case RT5514_ANA_CTRL_VREF:
case RT5514_ANA_CTRL_PLL3:
case RT5514_ANA_CTRL_PLL1_1:
case RT5514_ANA_CTRL_PLL1_2:
case RT5514_DMIC_LP_CTRL:
case RT5514_MISC_CTRL_DSP:
case RT5514_DSP_CTRL1:
case RT5514_DSP_CTRL3:
case RT5514_DSP_CTRL4:
case RT5514_VENDOR_ID1:
case RT5514_VENDOR_ID2:
return true;
default:
return false;
}
}
static bool rt5514_i2c_readable_register(struct device *dev,
unsigned int reg)
{
switch (reg) {
case RT5514_DSP_MAPPING | RT5514_RESET:
case RT5514_DSP_MAPPING | RT5514_PWR_ANA1:
case RT5514_DSP_MAPPING | RT5514_PWR_ANA2:
case RT5514_DSP_MAPPING | RT5514_I2S_CTRL1:
case RT5514_DSP_MAPPING | RT5514_I2S_CTRL2:
case RT5514_DSP_MAPPING | RT5514_VAD_CTRL6:
case RT5514_DSP_MAPPING | RT5514_EXT_VAD_CTRL:
case RT5514_DSP_MAPPING | RT5514_DIG_IO_CTRL:
case RT5514_DSP_MAPPING | RT5514_PAD_CTRL1:
case RT5514_DSP_MAPPING | RT5514_DMIC_DATA_CTRL:
case RT5514_DSP_MAPPING | RT5514_DIG_SOURCE_CTRL:
case RT5514_DSP_MAPPING | RT5514_SRC_CTRL:
case RT5514_DSP_MAPPING | RT5514_DOWNFILTER2_CTRL1:
case RT5514_DSP_MAPPING | RT5514_PLL_SOURCE_CTRL:
case RT5514_DSP_MAPPING | RT5514_CLK_CTRL1:
case RT5514_DSP_MAPPING | RT5514_CLK_CTRL2:
case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL1:
case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL5:
case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL1:
case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL3:
case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL1:
case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL2:
case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL3:
case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL1:
case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL2:
case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL3:
case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO10:
case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO18_16:
case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC12:
case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC21:
case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC22:
case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC23:
case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_MICBST:
case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADCFED:
case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_INBUF:
case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_VREF:
case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL3:
case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_1:
case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_2:
case RT5514_DSP_MAPPING | RT5514_DMIC_LP_CTRL:
case RT5514_DSP_MAPPING | RT5514_MISC_CTRL_DSP:
case RT5514_DSP_MAPPING | RT5514_DSP_CTRL1:
case RT5514_DSP_MAPPING | RT5514_DSP_CTRL3:
case RT5514_DSP_MAPPING | RT5514_DSP_CTRL4:
case RT5514_DSP_MAPPING | RT5514_VENDOR_ID1:
case RT5514_DSP_MAPPING | RT5514_VENDOR_ID2:
return true;
default:
return false;
}
}
/* {-3, 0, +3, +4.5, +7.5, +9.5, +12, +14, +17} dB */
static const DECLARE_TLV_DB_RANGE(bst_tlv,
0, 2, TLV_DB_SCALE_ITEM(-300, 300, 0),
3, 3, TLV_DB_SCALE_ITEM(450, 0, 0),
4, 4, TLV_DB_SCALE_ITEM(750, 0, 0),
5, 5, TLV_DB_SCALE_ITEM(950, 0, 0),
6, 6, TLV_DB_SCALE_ITEM(1200, 0, 0),
7, 7, TLV_DB_SCALE_ITEM(1400, 0, 0),
8, 8, TLV_DB_SCALE_ITEM(1700, 0, 0)
);
static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -1725, 75, 0);
static int rt5514_dsp_voice_wake_up_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
ucontrol->value.integer.value[0] = rt5514->dsp_enabled;
return 0;
}
static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
struct snd_soc_codec *codec = rt5514->codec;
const struct firmware *fw = NULL;
if (ucontrol->value.integer.value[0] == rt5514->dsp_enabled)
return 0;
if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
rt5514->dsp_enabled = ucontrol->value.integer.value[0];
if (rt5514->dsp_enabled) {
rt5514_enable_dsp_prepare(rt5514);
request_firmware(&fw, RT5514_FIRMWARE1, codec->dev);
if (fw) {
#if defined(CONFIG_SND_SOC_RT5514_SPI)
rt5514_spi_burst_write(0x4ff60000, fw->data,
((fw->size/8)+1)*8);
#else
dev_err(codec->dev, "There is no SPI driver for"
" loading the firmware\n");
#endif
release_firmware(fw);
fw = NULL;
}
request_firmware(&fw, RT5514_FIRMWARE2, codec->dev);
if (fw) {
#if defined(CONFIG_SND_SOC_RT5514_SPI)
rt5514_spi_burst_write(0x4ffc0000, fw->data,
((fw->size/8)+1)*8);
#else
dev_err(codec->dev, "There is no SPI driver for"
" loading the firmware\n");
#endif
release_firmware(fw);
fw = NULL;
}
/* DSP run */
regmap_write(rt5514->i2c_regmap, 0x18002f00,
0x00055148);
} else {
regmap_multi_reg_write(rt5514->i2c_regmap,
rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch));
regcache_mark_dirty(rt5514->regmap);
regcache_sync(rt5514->regmap);
}
}
return 0;
}
static const struct snd_kcontrol_new rt5514_snd_controls[] = {
SOC_DOUBLE_TLV("MIC Boost Volume", RT5514_ANA_CTRL_MICBST,
RT5514_SEL_BSTL_SFT, RT5514_SEL_BSTR_SFT, 8, 0, bst_tlv),
SOC_DOUBLE_R_TLV("ADC1 Capture Volume", RT5514_DOWNFILTER0_CTRL1,
RT5514_DOWNFILTER0_CTRL2, RT5514_AD_GAIN_SFT, 63, 0,
adc_vol_tlv),
SOC_DOUBLE_R_TLV("ADC2 Capture Volume", RT5514_DOWNFILTER1_CTRL1,
RT5514_DOWNFILTER1_CTRL2, RT5514_AD_GAIN_SFT, 63, 0,
adc_vol_tlv),
SOC_SINGLE_EXT("DSP Voice Wake Up", SND_SOC_NOPM, 0, 1, 0,
rt5514_dsp_voice_wake_up_get, rt5514_dsp_voice_wake_up_put),
};
/* ADC Mixer*/
static const struct snd_kcontrol_new rt5514_sto1_adc_l_mix[] = {
SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL1,
RT5514_AD_DMIC_MIX_BIT, 1, 1),
SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL1,
RT5514_AD_AD_MIX_BIT, 1, 1),
};
static const struct snd_kcontrol_new rt5514_sto1_adc_r_mix[] = {
SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL2,
RT5514_AD_DMIC_MIX_BIT, 1, 1),
SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL2,
RT5514_AD_AD_MIX_BIT, 1, 1),
};
static const struct snd_kcontrol_new rt5514_sto2_adc_l_mix[] = {
SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL1,
RT5514_AD_DMIC_MIX_BIT, 1, 1),
SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL1,
RT5514_AD_AD_MIX_BIT, 1, 1),
};
static const struct snd_kcontrol_new rt5514_sto2_adc_r_mix[] = {
SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL2,
RT5514_AD_DMIC_MIX_BIT, 1, 1),
SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL2,
RT5514_AD_AD_MIX_BIT, 1, 1),
};
/* DMIC Source */
static const char * const rt5514_dmic_src[] = {
"DMIC1", "DMIC2"
};
static const SOC_ENUM_SINGLE_DECL(
rt5514_stereo1_dmic_enum, RT5514_DIG_SOURCE_CTRL,
RT5514_AD0_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
static const struct snd_kcontrol_new rt5514_sto1_dmic_mux =
SOC_DAPM_ENUM("Stereo1 DMIC Source", rt5514_stereo1_dmic_enum);
static const SOC_ENUM_SINGLE_DECL(
rt5514_stereo2_dmic_enum, RT5514_DIG_SOURCE_CTRL,
RT5514_AD1_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
static const struct snd_kcontrol_new rt5514_sto2_dmic_mux =
SOC_DAPM_ENUM("Stereo2 DMIC Source", rt5514_stereo2_dmic_enum);
/**
* rt5514_calc_dmic_clk - Calculate the frequency divider parameter of dmic.
*
* @rate: base clock rate.
*
* Choose divider parameter that gives the highest possible DMIC frequency in
* 1MHz - 3MHz range.
*/
static int rt5514_calc_dmic_clk(struct snd_soc_codec *codec, int rate)
{
int div[] = {2, 3, 4, 8, 12, 16, 24, 32};
int i;
if (rate < 1000000 * div[0]) {
pr_warn("Base clock rate %d is too low\n", rate);
return -EINVAL;
}
for (i = 0; i < ARRAY_SIZE(div); i++) {
/* find divider that gives DMIC frequency below 3.072MHz */
if (3072000 * div[i] >= rate)
return i;
}
dev_warn(codec->dev, "Base clock rate %d is too high\n", rate);
return -EINVAL;
}
static int rt5514_set_dmic_clk(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
int idx;
idx = rt5514_calc_dmic_clk(codec, rt5514->sysclk);
if (idx < 0)
dev_err(codec->dev, "Failed to set DMIC clock\n");
else
regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1,
RT5514_CLK_DMIC_OUT_SEL_MASK,
idx << RT5514_CLK_DMIC_OUT_SEL_SFT);
if (rt5514->pdata.dmic_init_delay)
msleep(rt5514->pdata.dmic_init_delay);
return idx;
}
static int rt5514_is_sys_clk_from_pll(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 rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
if (rt5514->sysclk_src == RT5514_SCLK_S_PLL1)
return 1;
else
return 0;
}
static int rt5514_pre_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
/**
* If the DSP is enabled in start of recording, the DSP
* should be disabled, and sync back to normal recording
* settings to make sure recording properly.
*/
if (rt5514->dsp_enabled) {
rt5514->dsp_enabled = 0;
regmap_multi_reg_write(rt5514->i2c_regmap,
rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch));
regcache_mark_dirty(rt5514->regmap);
regcache_sync(rt5514->regmap);
}
break;
default:
return 0;
}
return 0;
}
static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = {
/* Input Lines */
SND_SOC_DAPM_INPUT("DMIC1L"),
SND_SOC_DAPM_INPUT("DMIC1R"),
SND_SOC_DAPM_INPUT("DMIC2L"),
SND_SOC_DAPM_INPUT("DMIC2R"),
SND_SOC_DAPM_INPUT("AMICL"),
SND_SOC_DAPM_INPUT("AMICR"),
SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("DMIC CLK", SND_SOC_NOPM, 0, 0,
rt5514_set_dmic_clk, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_SUPPLY("ADC CLK", RT5514_CLK_CTRL1,
RT5514_CLK_AD_ANA1_EN_BIT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("LDO18 IN", RT5514_PWR_ANA1,
RT5514_POW_LDO18_IN_BIT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("LDO18 ADC", RT5514_PWR_ANA1,
RT5514_POW_LDO18_ADC_BIT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("LDO21", RT5514_PWR_ANA1, RT5514_POW_LDO21_BIT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("BG LDO18 IN", RT5514_PWR_ANA1,
RT5514_POW_BG_LDO18_IN_BIT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("BG LDO21", RT5514_PWR_ANA1,
RT5514_POW_BG_LDO21_BIT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("BG MBIAS", RT5514_PWR_ANA2,
RT5514_POW_BG_MBIAS_BIT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("MBIAS", RT5514_PWR_ANA2, RT5514_POW_MBIAS_BIT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("VREF2", RT5514_PWR_ANA2, RT5514_POW_VREF2_BIT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("VREF1", RT5514_PWR_ANA2, RT5514_POW_VREF1_BIT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("ADC Power", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("LDO16L", RT5514_PWR_ANA2, RT5514_POWL_LDO16_BIT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("ADC1L", RT5514_PWR_ANA2, RT5514_POW_ADC1_L_BIT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("BSTL2", RT5514_PWR_ANA2, RT5514_POW2_BSTL_BIT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("BSTL", RT5514_PWR_ANA2, RT5514_POW_BSTL_BIT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("ADCFEDL", RT5514_PWR_ANA2, RT5514_POW_ADCFEDL_BIT,
0, NULL, 0),
SND_SOC_DAPM_SUPPLY("ADCL Power", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("LDO16R", RT5514_PWR_ANA2, RT5514_POWR_LDO16_BIT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("ADC1R", RT5514_PWR_ANA2, RT5514_POW_ADC1_R_BIT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("BSTR2", RT5514_PWR_ANA2, RT5514_POW2_BSTR_BIT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("BSTR", RT5514_PWR_ANA2, RT5514_POW_BSTR_BIT, 0,
NULL, 0),
SND_SOC_DAPM_SUPPLY("ADCFEDR", RT5514_PWR_ANA2, RT5514_POW_ADCFEDR_BIT,
0, NULL, 0),
SND_SOC_DAPM_SUPPLY("ADCR Power", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("PLL1 LDO ENABLE", RT5514_ANA_CTRL_PLL1_2,
RT5514_EN_LDO_PLL1_BIT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("PLL1 LDO", RT5514_PWR_ANA2,
RT5514_POW_PLL1_LDO_BIT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("PLL1", RT5514_PWR_ANA2, RT5514_POW_PLL1_BIT, 0,
NULL, 0),
/* ADC Mux */
SND_SOC_DAPM_MUX("Stereo1 DMIC Mux", SND_SOC_NOPM, 0, 0,
&rt5514_sto1_dmic_mux),
SND_SOC_DAPM_MUX("Stereo2 DMIC Mux", SND_SOC_NOPM, 0, 0,
&rt5514_sto2_dmic_mux),
/* ADC Mixer */
SND_SOC_DAPM_SUPPLY("adc stereo1 filter", RT5514_CLK_CTRL1,
RT5514_CLK_AD0_EN_BIT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("adc stereo2 filter", RT5514_CLK_CTRL1,
RT5514_CLK_AD1_EN_BIT, 0, NULL, 0),
SND_SOC_DAPM_MIXER("Sto1 ADC MIXL", SND_SOC_NOPM, 0, 0,
rt5514_sto1_adc_l_mix, ARRAY_SIZE(rt5514_sto1_adc_l_mix)),
SND_SOC_DAPM_MIXER("Sto1 ADC MIXR", SND_SOC_NOPM, 0, 0,
rt5514_sto1_adc_r_mix, ARRAY_SIZE(rt5514_sto1_adc_r_mix)),
SND_SOC_DAPM_MIXER("Sto2 ADC MIXL", SND_SOC_NOPM, 0, 0,
rt5514_sto2_adc_l_mix, ARRAY_SIZE(rt5514_sto2_adc_l_mix)),
SND_SOC_DAPM_MIXER("Sto2 ADC MIXR", SND_SOC_NOPM, 0, 0,
rt5514_sto2_adc_r_mix, ARRAY_SIZE(rt5514_sto2_adc_r_mix)),
SND_SOC_DAPM_ADC("Stereo1 ADC MIXL", NULL, RT5514_DOWNFILTER0_CTRL1,
RT5514_AD_AD_MUTE_BIT, 1),
SND_SOC_DAPM_ADC("Stereo1 ADC MIXR", NULL, RT5514_DOWNFILTER0_CTRL2,
RT5514_AD_AD_MUTE_BIT, 1),
SND_SOC_DAPM_ADC("Stereo2 ADC MIXL", NULL, RT5514_DOWNFILTER1_CTRL1,
RT5514_AD_AD_MUTE_BIT, 1),
SND_SOC_DAPM_ADC("Stereo2 ADC MIXR", NULL, RT5514_DOWNFILTER1_CTRL2,
RT5514_AD_AD_MUTE_BIT, 1),
/* ADC PGA */
SND_SOC_DAPM_PGA("Stereo1 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_PGA("Stereo2 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
/* Audio Interface */
SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_PRE("DAPM Pre", rt5514_pre_event),
};
static const struct snd_soc_dapm_route rt5514_dapm_routes[] = {
{ "DMIC1", NULL, "DMIC1L" },
{ "DMIC1", NULL, "DMIC1R" },
{ "DMIC2", NULL, "DMIC2L" },
{ "DMIC2", NULL, "DMIC2R" },
{ "DMIC1L", NULL, "DMIC CLK" },
{ "DMIC1R", NULL, "DMIC CLK" },
{ "DMIC2L", NULL, "DMIC CLK" },
{ "DMIC2R", NULL, "DMIC CLK" },
{ "Stereo1 DMIC Mux", "DMIC1", "DMIC1" },
{ "Stereo1 DMIC Mux", "DMIC2", "DMIC2" },
{ "Sto1 ADC MIXL", "DMIC Switch", "Stereo1 DMIC Mux" },
{ "Sto1 ADC MIXL", "ADC Switch", "AMICL" },
{ "Sto1 ADC MIXR", "DMIC Switch", "Stereo1 DMIC Mux" },
{ "Sto1 ADC MIXR", "ADC Switch", "AMICR" },
{ "ADC Power", NULL, "LDO18 IN" },
{ "ADC Power", NULL, "LDO18 ADC" },
{ "ADC Power", NULL, "LDO21" },
{ "ADC Power", NULL, "BG LDO18 IN" },
{ "ADC Power", NULL, "BG LDO21" },
{ "ADC Power", NULL, "BG MBIAS" },
{ "ADC Power", NULL, "MBIAS" },
{ "ADC Power", NULL, "VREF2" },
{ "ADC Power", NULL, "VREF1" },
{ "ADCL Power", NULL, "LDO16L" },
{ "ADCL Power", NULL, "ADC1L" },
{ "ADCL Power", NULL, "BSTL2" },
{ "ADCL Power", NULL, "BSTL" },
{ "ADCL Power", NULL, "ADCFEDL" },
{ "ADCR Power", NULL, "LDO16R" },
{ "ADCR Power", NULL, "ADC1R" },
{ "ADCR Power", NULL, "BSTR2" },
{ "ADCR Power", NULL, "BSTR" },
{ "ADCR Power", NULL, "ADCFEDR" },
{ "AMICL", NULL, "ADC CLK" },
{ "AMICL", NULL, "ADC Power" },
{ "AMICL", NULL, "ADCL Power" },
{ "AMICR", NULL, "ADC CLK" },
{ "AMICR", NULL, "ADC Power" },
{ "AMICR", NULL, "ADCR Power" },
{ "PLL1 LDO", NULL, "PLL1 LDO ENABLE" },
{ "PLL1", NULL, "PLL1 LDO" },
{ "Stereo1 ADC MIXL", NULL, "Sto1 ADC MIXL" },
{ "Stereo1 ADC MIXR", NULL, "Sto1 ADC MIXR" },
{ "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXL" },
{ "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXR" },
{ "Stereo1 ADC MIX", NULL, "adc stereo1 filter" },
{ "adc stereo1 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
{ "Stereo2 DMIC Mux", "DMIC1", "DMIC1" },
{ "Stereo2 DMIC Mux", "DMIC2", "DMIC2" },
{ "Sto2 ADC MIXL", "DMIC Switch", "Stereo2 DMIC Mux" },
{ "Sto2 ADC MIXL", "ADC Switch", "AMICL" },
{ "Sto2 ADC MIXR", "DMIC Switch", "Stereo2 DMIC Mux" },
{ "Sto2 ADC MIXR", "ADC Switch", "AMICR" },
{ "Stereo2 ADC MIXL", NULL, "Sto2 ADC MIXL" },
{ "Stereo2 ADC MIXR", NULL, "Sto2 ADC MIXR" },
{ "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXL" },
{ "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXR" },
{ "Stereo2 ADC MIX", NULL, "adc stereo2 filter" },
{ "adc stereo2 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
{ "AIF1TX", NULL, "Stereo1 ADC MIX"},
{ "AIF1TX", NULL, "Stereo2 ADC MIX"},
};
static int rt5514_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 rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
int pre_div, bclk_ms, frame_size;
unsigned int val_len = 0;
rt5514->lrck = params_rate(params);
pre_div = rl6231_get_clk_info(rt5514->sysclk, rt5514->lrck);
if (pre_div < 0) {
dev_err(codec->dev, "Unsupported clock setting\n");
return -EINVAL;
}
frame_size = snd_soc_params_to_frame_size(params);
if (frame_size < 0) {
dev_err(codec->dev, "Unsupported frame size: %d\n", frame_size);
return -EINVAL;
}
bclk_ms = frame_size > 32;
rt5514->bclk = rt5514->lrck * (32 << bclk_ms);
dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n",
rt5514->bclk, rt5514->lrck);
dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
bclk_ms, pre_div, dai->id);
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
break;
case SNDRV_PCM_FORMAT_S20_3LE:
val_len = RT5514_I2S_DL_20;
break;
case SNDRV_PCM_FORMAT_S24_LE:
val_len = RT5514_I2S_DL_24;
break;
case SNDRV_PCM_FORMAT_S8:
val_len = RT5514_I2S_DL_8;
break;
default:
return -EINVAL;
}
regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_I2S_DL_MASK,
val_len);
regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
RT5514_CLK_SYS_DIV_OUT_MASK | RT5514_SEL_ADC_OSR_MASK,
pre_div << RT5514_CLK_SYS_DIV_OUT_SFT |
pre_div << RT5514_SEL_ADC_OSR_SFT);
return 0;
}
static int rt5514_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
struct snd_soc_codec *codec = dai->codec;
struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
unsigned int reg_val = 0;
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
break;
case SND_SOC_DAIFMT_NB_IF:
reg_val |= RT5514_I2S_LR_INV;
break;
case SND_SOC_DAIFMT_IB_NF:
reg_val |= RT5514_I2S_BP_INV;
break;
case SND_SOC_DAIFMT_IB_IF:
reg_val |= RT5514_I2S_BP_INV | RT5514_I2S_LR_INV;
break;
default:
return -EINVAL;
}
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
break;
case SND_SOC_DAIFMT_LEFT_J:
reg_val |= RT5514_I2S_DF_LEFT;
break;
case SND_SOC_DAIFMT_DSP_A:
reg_val |= RT5514_I2S_DF_PCM_A;
break;
case SND_SOC_DAIFMT_DSP_B:
reg_val |= RT5514_I2S_DF_PCM_B;
break;
default:
return -EINVAL;
}
regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1,
RT5514_I2S_DF_MASK | RT5514_I2S_BP_MASK | RT5514_I2S_LR_MASK,
reg_val);
return 0;
}
static int rt5514_set_dai_sysclk(struct snd_soc_dai *dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = dai->codec;
struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
unsigned int reg_val = 0;
if (freq == rt5514->sysclk && clk_id == rt5514->sysclk_src)
return 0;
switch (clk_id) {
case RT5514_SCLK_S_MCLK:
reg_val |= RT5514_CLK_SYS_PRE_SEL_MCLK;
break;
case RT5514_SCLK_S_PLL1:
reg_val |= RT5514_CLK_SYS_PRE_SEL_PLL;
break;
default:
dev_err(codec->dev, "Invalid clock id (%d)\n", clk_id);
return -EINVAL;
}
regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
RT5514_CLK_SYS_PRE_SEL_MASK, reg_val);
rt5514->sysclk = freq;
rt5514->sysclk_src = clk_id;
dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id);
return 0;
}
static int rt5514_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
unsigned int freq_in, unsigned int freq_out)
{
struct snd_soc_codec *codec = dai->codec;
struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
struct rl6231_pll_code pll_code;
int ret;
if (!freq_in || !freq_out) {
dev_dbg(codec->dev, "PLL disabled\n");
rt5514->pll_in = 0;
rt5514->pll_out = 0;
regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
RT5514_CLK_SYS_PRE_SEL_MASK,
RT5514_CLK_SYS_PRE_SEL_MCLK);
return 0;
}
if (source == rt5514->pll_src && freq_in == rt5514->pll_in &&
freq_out == rt5514->pll_out)
return 0;
switch (source) {
case RT5514_PLL1_S_MCLK:
regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_MCLK);
break;
case RT5514_PLL1_S_BCLK:
regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_SCLK);
break;
default:
dev_err(codec->dev, "Unknown PLL source %d\n", source);
return -EINVAL;
}
ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
if (ret < 0) {
dev_err(codec->dev, "Unsupport input clock %d\n", freq_in);
return ret;
}
dev_dbg(codec->dev, "bypass=%d m=%d n=%d k=%d\n",
pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
pll_code.n_code, pll_code.k_code);
regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL1_1,
pll_code.k_code << RT5514_PLL_K_SFT |
pll_code.n_code << RT5514_PLL_N_SFT |
(pll_code.m_bp ? 0 : pll_code.m_code) << RT5514_PLL_M_SFT);
regmap_update_bits(rt5514->regmap, RT5514_ANA_CTRL_PLL1_2,
RT5514_PLL_M_BP, pll_code.m_bp << RT5514_PLL_M_BP_SFT);
rt5514->pll_in = freq_in;
rt5514->pll_out = freq_out;
rt5514->pll_src = source;
return 0;
}
static int rt5514_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
unsigned int rx_mask, int slots, int slot_width)
{
struct snd_soc_codec *codec = dai->codec;
struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
unsigned int val = 0;
if (rx_mask || tx_mask)
val |= RT5514_TDM_MODE;
if (slots == 4)
val |= RT5514_TDMSLOT_SEL_RX_4CH | RT5514_TDMSLOT_SEL_TX_4CH;
switch (slot_width) {
case 20:
val |= RT5514_CH_LEN_RX_20 | RT5514_CH_LEN_TX_20;
break;
case 24:
val |= RT5514_CH_LEN_RX_24 | RT5514_CH_LEN_TX_24;
break;
case 32:
val |= RT5514_CH_LEN_RX_32 | RT5514_CH_LEN_TX_32;
break;
case 16:
default:
break;
}
regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_TDM_MODE |
RT5514_TDMSLOT_SEL_RX_MASK | RT5514_TDMSLOT_SEL_TX_MASK |
RT5514_CH_LEN_RX_MASK | RT5514_CH_LEN_TX_MASK, val);
return 0;
}
static int rt5514_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
int ret;
switch (level) {
case SND_SOC_BIAS_PREPARE:
if (IS_ERR(rt5514->mclk))
break;
if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_ON) {
clk_disable_unprepare(rt5514->mclk);
} else {
ret = clk_prepare_enable(rt5514->mclk);
if (ret)
return ret;
}
break;
default:
break;
}
return 0;
}
static int rt5514_probe(struct snd_soc_codec *codec)
{
struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
rt5514->mclk = devm_clk_get(codec->dev, "mclk");
if (PTR_ERR(rt5514->mclk) == -EPROBE_DEFER)
return -EPROBE_DEFER;
rt5514->codec = codec;
return 0;
}
static int rt5514_i2c_read(void *context, unsigned int reg, unsigned int *val)
{
struct i2c_client *client = context;
struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
regmap_read(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
return 0;
}
static int rt5514_i2c_write(void *context, unsigned int reg, unsigned int val)
{
struct i2c_client *client = context;
struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
regmap_write(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
return 0;
}
#define RT5514_STEREO_RATES SNDRV_PCM_RATE_8000_192000
#define RT5514_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
struct snd_soc_dai_ops rt5514_aif_dai_ops = {
.hw_params = rt5514_hw_params,
.set_fmt = rt5514_set_dai_fmt,
.set_sysclk = rt5514_set_dai_sysclk,
.set_pll = rt5514_set_dai_pll,
.set_tdm_slot = rt5514_set_tdm_slot,
};
struct snd_soc_dai_driver rt5514_dai[] = {
{
.name = "rt5514-aif1",
.id = 0,
.capture = {
.stream_name = "AIF1 Capture",
.channels_min = 1,
.channels_max = 4,
.rates = RT5514_STEREO_RATES,
.formats = RT5514_FORMATS,
},
.ops = &rt5514_aif_dai_ops,
}
};
static struct snd_soc_codec_driver soc_codec_dev_rt5514 = {
.probe = rt5514_probe,
.idle_bias_off = true,
.set_bias_level = rt5514_set_bias_level,
.component_driver = {
.controls = rt5514_snd_controls,
.num_controls = ARRAY_SIZE(rt5514_snd_controls),
.dapm_widgets = rt5514_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(rt5514_dapm_widgets),
.dapm_routes = rt5514_dapm_routes,
.num_dapm_routes = ARRAY_SIZE(rt5514_dapm_routes),
},
};
static const struct regmap_config rt5514_i2c_regmap = {
.name = "i2c",
.reg_bits = 32,
.val_bits = 32,
.readable_reg = rt5514_i2c_readable_register,
.cache_type = REGCACHE_NONE,
};
static const struct regmap_config rt5514_regmap = {
.reg_bits = 16,
.val_bits = 32,
.max_register = RT5514_VENDOR_ID2,
.volatile_reg = rt5514_volatile_register,
.readable_reg = rt5514_readable_register,
.reg_read = rt5514_i2c_read,
.reg_write = rt5514_i2c_write,
.cache_type = REGCACHE_RBTREE,
.reg_defaults = rt5514_reg,
.num_reg_defaults = ARRAY_SIZE(rt5514_reg),
.use_single_rw = true,
};
static const struct i2c_device_id rt5514_i2c_id[] = {
{ "rt5514", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, rt5514_i2c_id);
#if defined(CONFIG_OF)
static const struct of_device_id rt5514_of_match[] = {
{ .compatible = "realtek,rt5514", },
{},
};
MODULE_DEVICE_TABLE(of, rt5514_of_match);
#endif
static int rt5514_parse_dt(struct rt5514_priv *rt5514, struct device *dev)
{
device_property_read_u32(dev, "realtek,dmic-init-delay-ms",
&rt5514->pdata.dmic_init_delay);
return 0;
}
static __maybe_unused int rt5514_i2c_resume(struct device *dev)
{
struct rt5514_priv *rt5514 = dev_get_drvdata(dev);
unsigned int val;
/*
* Add a bogus read to avoid rt5514's confusion after s2r in case it
* saw glitches on the i2c lines and thought the other side sent a
* start bit.
*/
regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
return 0;
}
static int rt5514_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct rt5514_platform_data *pdata = dev_get_platdata(&i2c->dev);
struct rt5514_priv *rt5514;
int ret;
unsigned int val = ~0;
rt5514 = devm_kzalloc(&i2c->dev, sizeof(struct rt5514_priv),
GFP_KERNEL);
if (rt5514 == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, rt5514);
if (pdata)
rt5514->pdata = *pdata;
else if (i2c->dev.of_node)
rt5514_parse_dt(rt5514, &i2c->dev);
rt5514->i2c_regmap = devm_regmap_init_i2c(i2c, &rt5514_i2c_regmap);
if (IS_ERR(rt5514->i2c_regmap)) {
ret = PTR_ERR(rt5514->i2c_regmap);
dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
ret);
return ret;
}
rt5514->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt5514_regmap);
if (IS_ERR(rt5514->regmap)) {
ret = PTR_ERR(rt5514->regmap);
dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
ret);
return ret;
}
/*
* The rt5514 can get confused if the i2c lines glitch together, as
* can happen at bootup as regulators are turned off and on. If it's
* in this glitched state the first i2c read will fail, so we'll give
* it one change to retry.
*/
ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
if (ret || val != RT5514_DEVICE_ID)
ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
if (ret || val != RT5514_DEVICE_ID) {
dev_err(&i2c->dev,
"Device with ID register %x is not rt5514\n", val);
return -ENODEV;
}
ret = regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch,
ARRAY_SIZE(rt5514_i2c_patch));
if (ret != 0)
dev_warn(&i2c->dev, "Failed to apply i2c_regmap patch: %d\n",
ret);
ret = regmap_register_patch(rt5514->regmap, rt5514_patch,
ARRAY_SIZE(rt5514_patch));
if (ret != 0)
dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);
return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5514,
rt5514_dai, ARRAY_SIZE(rt5514_dai));
}
static int rt5514_i2c_remove(struct i2c_client *i2c)
{
snd_soc_unregister_codec(&i2c->dev);
return 0;
}
static const struct dev_pm_ops rt5514_i2_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(NULL, rt5514_i2c_resume)
};
static struct i2c_driver rt5514_i2c_driver = {
.driver = {
.name = "rt5514",
.of_match_table = of_match_ptr(rt5514_of_match),
.pm = &rt5514_i2_pm_ops,
},
.probe = rt5514_i2c_probe,
.remove = rt5514_i2c_remove,
.id_table = rt5514_i2c_id,
};
module_i2c_driver(rt5514_i2c_driver);
MODULE_DESCRIPTION("ASoC RT5514 driver");
MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>");
MODULE_LICENSE("GPL v2");
|