aboutsummaryrefslogtreecommitdiff
path: root/sound/soc/codecs/wm8958-dsp2.c
blob: 5a14d5c0e0e1b6dc98fb39140a4ca47f6bd18294 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
/*
 * wm8958-dsp2.c  --  WM8958 DSP2 support
 *
 * Copyright 2011 Wolfson Microelectronics plc
 *
 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <trace/events/asoc.h>

#include <linux/mfd/wm8994/core.h>
#include <linux/mfd/wm8994/registers.h>
#include <linux/mfd/wm8994/pdata.h>
#include <linux/mfd/wm8994/gpio.h>

#include "wm8994.h"

#define WM_FW_BLOCK_INFO 0xff
#define WM_FW_BLOCK_PM   0x00
#define WM_FW_BLOCK_X    0x01
#define WM_FW_BLOCK_Y    0x02
#define WM_FW_BLOCK_Z    0x03
#define WM_FW_BLOCK_I    0x06
#define WM_FW_BLOCK_A    0x08
#define WM_FW_BLOCK_C    0x0c

static int wm8958_dsp2_fw(struct snd_soc_codec *codec, const char *name,
			  const struct firmware *fw, bool check)
{
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
	u64 data64;
	u32 data32;
	const u8 *data;
	char *str;
	size_t block_len, len;
	int ret = 0;

	/* Suppress unneeded downloads */
	if (wm8994->cur_fw == fw)
		return 0;

	if (fw->size < 32) {
		dev_err(codec->dev, "%s: firmware too short\n", name);
		goto err;
	}

	if (memcmp(fw->data, "WMFW", 4) != 0) {
		memcpy(&data32, fw->data, sizeof(data32));
		data32 = be32_to_cpu(data32);
		dev_err(codec->dev, "%s: firmware has bad file magic %08x\n",
			name, data32);
		goto err;
	}

	memcpy(&data32, fw->data + 4, sizeof(data32));
	len = be32_to_cpu(data32);

	memcpy(&data32, fw->data + 8, sizeof(data32));
	data32 = be32_to_cpu(data32);
	if ((data32 >> 24) & 0xff) {
		dev_err(codec->dev, "%s: unsupported firmware version %d\n",
			name, (data32 >> 24) & 0xff);
		goto err;
	}
	if ((data32 & 0xffff) != 8958) {
		dev_err(codec->dev, "%s: unsupported target device %d\n",
			name, data32 & 0xffff);
		goto err;
	}
	if (((data32 >> 16) & 0xff) != 0xc) {
		dev_err(codec->dev, "%s: unsupported target core %d\n",
			name, (data32 >> 16) & 0xff);
		goto err;
	}

	if (check) {
		memcpy(&data64, fw->data + 24, sizeof(u64));
		dev_info(codec->dev, "%s timestamp %llx\n",
			 name, be64_to_cpu(data64));
	} else {
		snd_soc_write(codec, 0x102, 0x2);
		snd_soc_write(codec, 0x900, 0x2);
	}

	data = fw->data + len;
	len = fw->size - len;
	while (len) {
		if (len < 12) {
			dev_err(codec->dev, "%s short data block of %zd\n",
				name, len);
			goto err;
		}

		memcpy(&data32, data + 4, sizeof(data32));
		block_len = be32_to_cpu(data32);
		if (block_len + 8 > len) {
			dev_err(codec->dev, "%zd byte block longer than file\n",
				block_len);
			goto err;
		}
		if (block_len == 0) {
			dev_err(codec->dev, "Zero length block\n");
			goto err;
		}

		memcpy(&data32, data, sizeof(data32));
		data32 = be32_to_cpu(data32);

		switch ((data32 >> 24) & 0xff) {
		case WM_FW_BLOCK_INFO:
			/* Informational text */
			if (!check)
				break;

			str = kzalloc(block_len + 1, GFP_KERNEL);
			if (str) {
				memcpy(str, data + 8, block_len);
				dev_info(codec->dev, "%s: %s\n", name, str);
				kfree(str);
			} else {
				dev_err(codec->dev, "Out of memory\n");
			}
			break;
		case WM_FW_BLOCK_PM:
		case WM_FW_BLOCK_X:
		case WM_FW_BLOCK_Y:
		case WM_FW_BLOCK_Z:
		case WM_FW_BLOCK_I:
		case WM_FW_BLOCK_A:
		case WM_FW_BLOCK_C:
			dev_dbg(codec->dev, "%s: %zd bytes of %x@%x\n", name,
				block_len, (data32 >> 24) & 0xff,
				data32 & 0xffffff);

			if (check)
				break;

			data32 &= 0xffffff;

			wm8994_bulk_write(codec->control_data,
					  data32 & 0xffffff,
					  block_len / 2,
					  (void *)(data + 8));

			break;
		default:
			dev_warn(codec->dev, "%s: unknown block type %d\n",
				 name, (data32 >> 24) & 0xff);
			break;
		}

		/* Round up to the next 32 bit word */
		block_len += block_len % 4;

		data += block_len + 8;
		len -= block_len + 8;
	}

	if (!check) {
		dev_dbg(codec->dev, "%s: download done\n", name);
		wm8994->cur_fw = fw;
	} else {
		dev_info(codec->dev, "%s: got firmware\n", name);
	}

	goto ok;

err:
	ret = -EINVAL;
ok:
	if (!check) {
		snd_soc_write(codec, 0x900, 0x0);
		snd_soc_write(codec, 0x102, 0x0);
	}

	return ret;
}

static void wm8958_dsp_start_mbc(struct snd_soc_codec *codec, int path)
{
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
	struct wm8994_pdata *pdata = wm8994->pdata;
	int i;

	/* If the DSP is already running then noop */
	if (snd_soc_read(codec, WM8958_DSP2_PROGRAM) & WM8958_DSP2_ENA)
		return;

	/* If we have MBC firmware download it */
	if (wm8994->mbc)
		wm8958_dsp2_fw(codec, "MBC", wm8994->mbc, false);

	snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
			    WM8958_DSP2_ENA, WM8958_DSP2_ENA);

	/* If we've got user supplied MBC settings use them */
	if (pdata && pdata->num_mbc_cfgs) {
		struct wm8958_mbc_cfg *cfg
			= &pdata->mbc_cfgs[wm8994->mbc_cfg];

		for (i = 0; i < ARRAY_SIZE(cfg->coeff_regs); i++)
			snd_soc_write(codec, i + WM8958_MBC_BAND_1_K_1,
				      cfg->coeff_regs[i]);

		for (i = 0; i < ARRAY_SIZE(cfg->cutoff_regs); i++)
			snd_soc_write(codec,
				      i + WM8958_MBC_BAND_2_LOWER_CUTOFF_C1_1,
				      cfg->cutoff_regs[i]);
	}

	/* Run the DSP */
	snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
		      WM8958_DSP2_RUNR);

	/* And we're off! */
	snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
			    WM8958_MBC_ENA |
			    WM8958_MBC_SEL_MASK,
			    path << WM8958_MBC_SEL_SHIFT |
			    WM8958_MBC_ENA);
}

static void wm8958_dsp_start_vss(struct snd_soc_codec *codec, int path)
{
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
	struct wm8994_pdata *pdata = wm8994->pdata;
	int i, ena;

	if (wm8994->mbc_vss)
		wm8958_dsp2_fw(codec, "MBC+VSS", wm8994->mbc_vss, false);

	snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
			    WM8958_DSP2_ENA, WM8958_DSP2_ENA);

	/* If we've got user supplied settings use them */
	if (pdata && pdata->num_mbc_cfgs) {
		struct wm8958_mbc_cfg *cfg
			= &pdata->mbc_cfgs[wm8994->mbc_cfg];

		for (i = 0; i < ARRAY_SIZE(cfg->combined_regs); i++)
			snd_soc_write(codec, i + 0x2800,
				      cfg->combined_regs[i]);
	}

	if (pdata && pdata->num_vss_cfgs) {
		struct wm8958_vss_cfg *cfg
			= &pdata->vss_cfgs[wm8994->vss_cfg];

		for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
			snd_soc_write(codec, i + 0x2600, cfg->regs[i]);
	}

	if (pdata && pdata->num_vss_hpf_cfgs) {
		struct wm8958_vss_hpf_cfg *cfg
			= &pdata->vss_hpf_cfgs[wm8994->vss_hpf_cfg];

		for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
			snd_soc_write(codec, i + 0x2400, cfg->regs[i]);
	}

	/* Run the DSP */
	snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
		      WM8958_DSP2_RUNR);

	/* Enable the algorithms we've selected */
	ena = 0;
	if (wm8994->mbc_ena[path])
		ena |= 0x8;
	if (wm8994->hpf2_ena[path])
		ena |= 0x4;
	if (wm8994->hpf1_ena[path])
		ena |= 0x2;
	if (wm8994->vss_ena[path])
		ena |= 0x1;

	snd_soc_write(codec, 0x2201, ena);

	/* Switch the DSP into the data path */
	snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
			    WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
			    path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
}

static void wm8958_dsp_start_enh_eq(struct snd_soc_codec *codec, int path)
{
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
	struct wm8994_pdata *pdata = wm8994->pdata;
	int i;

	wm8958_dsp2_fw(codec, "ENH_EQ", wm8994->enh_eq, false);

	snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
			    WM8958_DSP2_ENA, WM8958_DSP2_ENA);

	/* If we've got user supplied settings use them */
	if (pdata && pdata->num_enh_eq_cfgs) {
		struct wm8958_enh_eq_cfg *cfg
			= &pdata->enh_eq_cfgs[wm8994->enh_eq_cfg];

		for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
			snd_soc_write(codec, i + 0x2200,
				      cfg->regs[i]);
	}

	/* Run the DSP */
	snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
		      WM8958_DSP2_RUNR);

	/* Switch the DSP into the data path */
	snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
			    WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
			    path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
}

static void wm8958_dsp_apply(struct snd_soc_codec *codec, int path, int start)
{
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
	int pwr_reg = snd_soc_read(codec, WM8994_POWER_MANAGEMENT_5);
	int ena, reg, aif;

	switch (path) {
	case 0:
		pwr_reg &= (WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA);
		aif = 0;
		break;
	case 1:
		pwr_reg &= (WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA);
		aif = 0;
		break;
	case 2:
		pwr_reg &= (WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA);
		aif = 1;
		break;
	default:
		BUG();
		return;
	}

	/* Do we have both an active AIF and an active algorithm? */
	ena = wm8994->mbc_ena[path] || wm8994->vss_ena[path] ||
		wm8994->hpf1_ena[path] || wm8994->hpf2_ena[path] ||
		wm8994->enh_eq_ena[path];
	if (!pwr_reg)
		ena = 0;

	reg = snd_soc_read(codec, WM8958_DSP2_PROGRAM);

	dev_dbg(codec->dev, "DSP path %d %d startup: %d, power: %x, DSP: %x\n",
		path, wm8994->dsp_active, start, pwr_reg, reg);

	if (start && ena) {
		/* If the DSP is already running then noop */
		if (reg & WM8958_DSP2_ENA)
			return;

		/* If either AIFnCLK is not yet enabled postpone */
		if (!(snd_soc_read(codec, WM8994_AIF1_CLOCKING_1)
		      & WM8994_AIF1CLK_ENA_MASK) &&
		    !(snd_soc_read(codec, WM8994_AIF2_CLOCKING_1)
		      & WM8994_AIF2CLK_ENA_MASK))
			return;

		/* Switch the clock over to the appropriate AIF */
		snd_soc_update_bits(codec, WM8994_CLOCKING_1,
				    WM8958_DSP2CLK_SRC | WM8958_DSP2CLK_ENA,
				    aif << WM8958_DSP2CLK_SRC_SHIFT |
				    WM8958_DSP2CLK_ENA);

		if (wm8994->enh_eq_ena[path])
			wm8958_dsp_start_enh_eq(codec, path);
		else if (wm8994->vss_ena[path] || wm8994->hpf1_ena[path] ||
		    wm8994->hpf2_ena[path])
			wm8958_dsp_start_vss(codec, path);
		else if (wm8994->mbc_ena[path])
			wm8958_dsp_start_mbc(codec, path);

		wm8994->dsp_active = path;

		dev_dbg(codec->dev, "DSP running in path %d\n", path);
	}

	if (!start && wm8994->dsp_active == path) {
		/* If the DSP is already stopped then noop */
		if (!(reg & WM8958_DSP2_ENA))
			return;

		snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
				    WM8958_MBC_ENA, 0);	
		snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
			      WM8958_DSP2_STOP);
		snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
				    WM8958_DSP2_ENA, 0);
		snd_soc_update_bits(codec, WM8994_CLOCKING_1,
				    WM8958_DSP2CLK_ENA, 0);

		wm8994->dsp_active = -1;

		dev_dbg(codec->dev, "DSP stopped\n");
	}
}

int wm8958_aif_ev(struct snd_soc_dapm_widget *w,
		  struct snd_kcontrol *kcontrol, int event)
{
	struct snd_soc_codec *codec = w->codec;
	int i;

	switch (event) {
	case SND_SOC_DAPM_POST_PMU:
	case SND_SOC_DAPM_PRE_PMU:
		for (i = 0; i < 3; i++)
			wm8958_dsp_apply(codec, i, 1);
		break;
	case SND_SOC_DAPM_POST_PMD:
	case SND_SOC_DAPM_PRE_PMD:
		for (i = 0; i < 3; i++)
			wm8958_dsp_apply(codec, i, 0);
		break;
	}

	return 0;
}

/* Check if DSP2 is in use on another AIF */
static int wm8958_dsp2_busy(struct wm8994_priv *wm8994, int aif)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(wm8994->mbc_ena); i++) {
		if (i == aif)
			continue;
		if (wm8994->mbc_ena[i] || wm8994->vss_ena[i] ||
		    wm8994->hpf1_ena[i] || wm8994->hpf2_ena[i])
			return 1;
	}

	return 0;
}

static int wm8958_put_mbc_enum(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
	struct wm8994_pdata *pdata = wm8994->pdata;
	int value = ucontrol->value.integer.value[0];
	int reg;

	/* Don't allow on the fly reconfiguration */
	reg = snd_soc_read(codec, WM8994_CLOCKING_1);
	if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
		return -EBUSY;

	if (value >= pdata->num_mbc_cfgs)
		return -EINVAL;

	wm8994->mbc_cfg = value;

	return 0;
}

static int wm8958_get_mbc_enum(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	ucontrol->value.enumerated.item[0] = wm8994->mbc_cfg;

	return 0;
}

static int wm8958_mbc_info(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int wm8958_mbc_get(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	int mbc = kcontrol->private_value;
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	ucontrol->value.integer.value[0] = wm8994->mbc_ena[mbc];

	return 0;
}

static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	int mbc = kcontrol->private_value;
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	if (wm8994->mbc_ena[mbc] == ucontrol->value.integer.value[0])
		return 0;

	if (ucontrol->value.integer.value[0] > 1)
		return -EINVAL;

	if (wm8958_dsp2_busy(wm8994, mbc)) {
		dev_dbg(codec->dev, "DSP2 active on %d already\n", mbc);
		return -EBUSY;
	}

	if (wm8994->enh_eq_ena[mbc])
		return -EBUSY;

	wm8994->mbc_ena[mbc] = ucontrol->value.integer.value[0];

	wm8958_dsp_apply(codec, mbc, wm8994->mbc_ena[mbc]);

	return 0;
}

#define WM8958_MBC_SWITCH(xname, xval) {\
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.info = wm8958_mbc_info, \
	.get = wm8958_mbc_get, .put = wm8958_mbc_put, \
	.private_value = xval }

static int wm8958_put_vss_enum(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
	struct wm8994_pdata *pdata = wm8994->pdata;
	int value = ucontrol->value.integer.value[0];
	int reg;

	/* Don't allow on the fly reconfiguration */
	reg = snd_soc_read(codec, WM8994_CLOCKING_1);
	if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
		return -EBUSY;

	if (value >= pdata->num_vss_cfgs)
		return -EINVAL;

	wm8994->vss_cfg = value;

	return 0;
}

static int wm8958_get_vss_enum(struct snd_kcontrol *kcontrol,
			       struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	ucontrol->value.enumerated.item[0] = wm8994->vss_cfg;

	return 0;
}

static int wm8958_put_vss_hpf_enum(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
	struct wm8994_pdata *pdata = wm8994->pdata;
	int value = ucontrol->value.integer.value[0];
	int reg;

	/* Don't allow on the fly reconfiguration */
	reg = snd_soc_read(codec, WM8994_CLOCKING_1);
	if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
		return -EBUSY;

	if (value >= pdata->num_vss_hpf_cfgs)
		return -EINVAL;

	wm8994->vss_hpf_cfg = value;

	return 0;
}

static int wm8958_get_vss_hpf_enum(struct snd_kcontrol *kcontrol,
				   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	ucontrol->value.enumerated.item[0] = wm8994->vss_hpf_cfg;

	return 0;
}

static int wm8958_vss_info(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int wm8958_vss_get(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	int vss = kcontrol->private_value;
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	ucontrol->value.integer.value[0] = wm8994->vss_ena[vss];

	return 0;
}

static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	int vss = kcontrol->private_value;
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	if (wm8994->vss_ena[vss] == ucontrol->value.integer.value[0])
		return 0;

	if (ucontrol->value.integer.value[0] > 1)
		return -EINVAL;

	if (!wm8994->mbc_vss)
		return -ENODEV;

	if (wm8958_dsp2_busy(wm8994, vss)) {
		dev_dbg(codec->dev, "DSP2 active on %d already\n", vss);
		return -EBUSY;
	}

	if (wm8994->enh_eq_ena[vss])
		return -EBUSY;

	wm8994->vss_ena[vss] = ucontrol->value.integer.value[0];

	wm8958_dsp_apply(codec, vss, wm8994->vss_ena[vss]);

	return 0;
}


#define WM8958_VSS_SWITCH(xname, xval) {\
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.info = wm8958_vss_info, \
	.get = wm8958_vss_get, .put = wm8958_vss_put, \
	.private_value = xval }

static int wm8958_hpf_info(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int wm8958_hpf_get(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	int hpf = kcontrol->private_value;
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	if (hpf < 3)
		ucontrol->value.integer.value[0] = wm8994->hpf1_ena[hpf % 3];
	else
		ucontrol->value.integer.value[0] = wm8994->hpf2_ena[hpf % 3];

	return 0;
}

static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	int hpf = kcontrol->private_value;
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	if (hpf < 3) {
		if (wm8994->hpf1_ena[hpf % 3] ==
		    ucontrol->value.integer.value[0])
			return 0;
	} else {
		if (wm8994->hpf2_ena[hpf % 3] ==
		    ucontrol->value.integer.value[0])
			return 0;
	}

	if (ucontrol->value.integer.value[0] > 1)
		return -EINVAL;

	if (!wm8994->mbc_vss)
		return -ENODEV;

	if (wm8958_dsp2_busy(wm8994, hpf % 3)) {
		dev_dbg(codec->dev, "DSP2 active on %d already\n", hpf);
		return -EBUSY;
	}

	if (wm8994->enh_eq_ena[hpf % 3])
		return -EBUSY;

	if (hpf < 3)
		wm8994->hpf1_ena[hpf % 3] = ucontrol->value.integer.value[0];
	else
		wm8994->hpf2_ena[hpf % 3] = ucontrol->value.integer.value[0];

	wm8958_dsp_apply(codec, hpf % 3, ucontrol->value.integer.value[0]);

	return 0;
}

#define WM8958_HPF_SWITCH(xname, xval) {\
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.info = wm8958_hpf_info, \
	.get = wm8958_hpf_get, .put = wm8958_hpf_put, \
	.private_value = xval }

static int wm8958_put_enh_eq_enum(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
	struct wm8994_pdata *pdata = wm8994->pdata;
	int value = ucontrol->value.integer.value[0];
	int reg;

	/* Don't allow on the fly reconfiguration */
	reg = snd_soc_read(codec, WM8994_CLOCKING_1);
	if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
		return -EBUSY;

	if (value >= pdata->num_enh_eq_cfgs)
		return -EINVAL;

	wm8994->enh_eq_cfg = value;

	return 0;
}

static int wm8958_get_enh_eq_enum(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	ucontrol->value.enumerated.item[0] = wm8994->enh_eq_cfg;

	return 0;
}

static int wm8958_enh_eq_info(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = 1;
	return 0;
}

static int wm8958_enh_eq_get(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	int eq = kcontrol->private_value;
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	ucontrol->value.integer.value[0] = wm8994->enh_eq_ena[eq];

	return 0;
}

static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
			  struct snd_ctl_elem_value *ucontrol)
{
	int eq = kcontrol->private_value;
	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	if (wm8994->enh_eq_ena[eq] == ucontrol->value.integer.value[0])
		return 0;

	if (ucontrol->value.integer.value[0] > 1)
		return -EINVAL;

	if (!wm8994->enh_eq)
		return -ENODEV;

	if (wm8958_dsp2_busy(wm8994, eq)) {
		dev_dbg(codec->dev, "DSP2 active on %d already\n", eq);
		return -EBUSY;
	}

	if (wm8994->mbc_ena[eq] || wm8994->vss_ena[eq] ||
	    wm8994->hpf1_ena[eq] || wm8994->hpf2_ena[eq])
		return -EBUSY;

	wm8994->enh_eq_ena[eq] = ucontrol->value.integer.value[0];

	wm8958_dsp_apply(codec, eq, ucontrol->value.integer.value[0]);

	return 0;
}

#define WM8958_ENH_EQ_SWITCH(xname, xval) {\
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
	.info = wm8958_enh_eq_info, \
	.get = wm8958_enh_eq_get, .put = wm8958_enh_eq_put, \
	.private_value = xval }

static const struct snd_kcontrol_new wm8958_mbc_snd_controls[] = {
WM8958_MBC_SWITCH("AIF1DAC1 MBC Switch", 0),
WM8958_MBC_SWITCH("AIF1DAC2 MBC Switch", 1),
WM8958_MBC_SWITCH("AIF2DAC MBC Switch", 2),
};

static const struct snd_kcontrol_new wm8958_vss_snd_controls[] = {
WM8958_VSS_SWITCH("AIF1DAC1 VSS Switch", 0),
WM8958_VSS_SWITCH("AIF1DAC2 VSS Switch", 1),
WM8958_VSS_SWITCH("AIF2DAC VSS Switch", 2),
WM8958_HPF_SWITCH("AIF1DAC1 HPF1 Switch", 0),
WM8958_HPF_SWITCH("AIF1DAC2 HPF1 Switch", 1),
WM8958_HPF_SWITCH("AIF2DAC HPF1 Switch", 2),
WM8958_HPF_SWITCH("AIF1DAC1 HPF2 Switch", 3),
WM8958_HPF_SWITCH("AIF1DAC2 HPF2 Switch", 4),
WM8958_HPF_SWITCH("AIF2DAC HPF2 Switch", 5),
};

static const struct snd_kcontrol_new wm8958_enh_eq_snd_controls[] = {
WM8958_ENH_EQ_SWITCH("AIF1DAC1 Enhanced EQ Switch", 0),
WM8958_ENH_EQ_SWITCH("AIF1DAC2 Enhanced EQ Switch", 1),
WM8958_ENH_EQ_SWITCH("AIF2DAC Enhanced EQ Switch", 2),
};

static void wm8958_enh_eq_loaded(const struct firmware *fw, void *context)
{
	struct snd_soc_codec *codec = context;
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	if (fw && (wm8958_dsp2_fw(codec, "ENH_EQ", fw, true) == 0)) {
		mutex_lock(&codec->mutex);
		wm8994->enh_eq = fw;
		mutex_unlock(&codec->mutex);
	}
}

static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context)
{
	struct snd_soc_codec *codec = context;
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	if (fw && (wm8958_dsp2_fw(codec, "MBC+VSS", fw, true) == 0)) {
		mutex_lock(&codec->mutex);
		wm8994->mbc_vss = fw;
		mutex_unlock(&codec->mutex);
	}

	/* We can't have more than one request outstanding at once so
	 * we daisy chain.
	 */
	request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
				"wm8958_enh_eq.wfw", codec->dev, GFP_KERNEL,
				codec, wm8958_enh_eq_loaded);
}

static void wm8958_mbc_loaded(const struct firmware *fw, void *context)
{
	struct snd_soc_codec *codec = context;
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);

	if (wm8958_dsp2_fw(codec, "MBC", fw, true) != 0)
		return;

	mutex_lock(&codec->mutex);
	wm8994->mbc = fw;
	mutex_unlock(&codec->mutex);

	/* We can't have more than one request outstanding at once so
	 * we daisy chain.
	 */
	request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
				"wm8958_mbc_vss.wfw", codec->dev, GFP_KERNEL,
				codec, wm8958_mbc_vss_loaded);
}

void wm8958_dsp2_init(struct snd_soc_codec *codec)
{
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
	struct wm8994_pdata *pdata = wm8994->pdata;
	int ret, i;

	wm8994->dsp_active = -1;

	snd_soc_add_controls(codec, wm8958_mbc_snd_controls,
			     ARRAY_SIZE(wm8958_mbc_snd_controls));
	snd_soc_add_controls(codec, wm8958_vss_snd_controls,
			     ARRAY_SIZE(wm8958_vss_snd_controls));
	snd_soc_add_controls(codec, wm8958_enh_eq_snd_controls,
			     ARRAY_SIZE(wm8958_enh_eq_snd_controls));


	/* We don't *require* firmware and don't want to delay boot */
	request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
				"wm8958_mbc.wfw", codec->dev, GFP_KERNEL,
				codec, wm8958_mbc_loaded);

	if (!pdata)
		return;

	if (pdata->num_mbc_cfgs) {
		struct snd_kcontrol_new control[] = {
			SOC_ENUM_EXT("MBC Mode", wm8994->mbc_enum,
				     wm8958_get_mbc_enum, wm8958_put_mbc_enum),
		};

		/* We need an array of texts for the enum API */
		wm8994->mbc_texts = kmalloc(sizeof(char *)
					    * pdata->num_mbc_cfgs, GFP_KERNEL);
		if (!wm8994->mbc_texts) {
			dev_err(wm8994->codec->dev,
				"Failed to allocate %d MBC config texts\n",
				pdata->num_mbc_cfgs);
			return;
		}

		for (i = 0; i < pdata->num_mbc_cfgs; i++)
			wm8994->mbc_texts[i] = pdata->mbc_cfgs[i].name;

		wm8994->mbc_enum.max = pdata->num_mbc_cfgs;
		wm8994->mbc_enum.texts = wm8994->mbc_texts;

		ret = snd_soc_add_controls(wm8994->codec, control, 1);
		if (ret != 0)
			dev_err(wm8994->codec->dev,
				"Failed to add MBC mode controls: %d\n", ret);
	}

	if (pdata->num_vss_cfgs) {
		struct snd_kcontrol_new control[] = {
			SOC_ENUM_EXT("VSS Mode", wm8994->vss_enum,
				     wm8958_get_vss_enum, wm8958_put_vss_enum),
		};

		/* We need an array of texts for the enum API */
		wm8994->vss_texts = kmalloc(sizeof(char *)
					    * pdata->num_vss_cfgs, GFP_KERNEL);
		if (!wm8994->vss_texts) {
			dev_err(wm8994->codec->dev,
				"Failed to allocate %d VSS config texts\n",
				pdata->num_vss_cfgs);
			return;
		}

		for (i = 0; i < pdata->num_vss_cfgs; i++)
			wm8994->vss_texts[i] = pdata->vss_cfgs[i].name;

		wm8994->vss_enum.max = pdata->num_vss_cfgs;
		wm8994->vss_enum.texts = wm8994->vss_texts;

		ret = snd_soc_add_controls(wm8994->codec, control, 1);
		if (ret != 0)
			dev_err(wm8994->codec->dev,
				"Failed to add VSS mode controls: %d\n", ret);
	}

	if (pdata->num_vss_hpf_cfgs) {
		struct snd_kcontrol_new control[] = {
			SOC_ENUM_EXT("VSS HPF Mode", wm8994->vss_hpf_enum,
				     wm8958_get_vss_hpf_enum,
				     wm8958_put_vss_hpf_enum),
		};

		/* We need an array of texts for the enum API */
		wm8994->vss_hpf_texts = kmalloc(sizeof(char *)
						* pdata->num_vss_hpf_cfgs, GFP_KERNEL);
		if (!wm8994->vss_hpf_texts) {
			dev_err(wm8994->codec->dev,
				"Failed to allocate %d VSS HPF config texts\n",
				pdata->num_vss_hpf_cfgs);
			return;
		}

		for (i = 0; i < pdata->num_vss_hpf_cfgs; i++)
			wm8994->vss_hpf_texts[i] = pdata->vss_hpf_cfgs[i].name;

		wm8994->vss_hpf_enum.max = pdata->num_vss_hpf_cfgs;
		wm8994->vss_hpf_enum.texts = wm8994->vss_hpf_texts;

		ret = snd_soc_add_controls(wm8994->codec, control, 1);
		if (ret != 0)
			dev_err(wm8994->codec->dev,
				"Failed to add VSS HPFmode controls: %d\n",
				ret);
	}

	if (pdata->num_enh_eq_cfgs) {
		struct snd_kcontrol_new control[] = {
			SOC_ENUM_EXT("Enhanced EQ Mode", wm8994->enh_eq_enum,
				     wm8958_get_enh_eq_enum,
				     wm8958_put_enh_eq_enum),
		};

		/* We need an array of texts for the enum API */
		wm8994->enh_eq_texts = kmalloc(sizeof(char *)
						* pdata->num_enh_eq_cfgs, GFP_KERNEL);
		if (!wm8994->enh_eq_texts) {
			dev_err(wm8994->codec->dev,
				"Failed to allocate %d enhanced EQ config texts\n",
				pdata->num_enh_eq_cfgs);
			return;
		}

		for (i = 0; i < pdata->num_enh_eq_cfgs; i++)
			wm8994->enh_eq_texts[i] = pdata->enh_eq_cfgs[i].name;

		wm8994->enh_eq_enum.max = pdata->num_enh_eq_cfgs;
		wm8994->enh_eq_enum.texts = wm8994->enh_eq_texts;

		ret = snd_soc_add_controls(wm8994->codec, control, 1);
		if (ret != 0)
			dev_err(wm8994->codec->dev,
				"Failed to add enhanced EQ controls: %d\n",
				ret);
	}
}