aboutsummaryrefslogtreecommitdiffstats
path: root/sound/isa/cs423x/cs4236_lib.c
blob: c5adca300632b16c744e92a09580c02cd932472d (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
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
/*
 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
 *  Routines for control of CS4235/4236B/4237B/4238B/4239 chips
 *
 *  Note:
 *     -----
 *
 *  Bugs:
 *     -----
 *
 *   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.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

/*
 *  Indirect control registers (CS4236B+)
 * 
 *  C0
 *     D8: WSS reset (all chips)
 *
 *  C1 (all chips except CS4236)
 *     D7-D5: version 
 *     D4-D0: chip id
 *             11101 - CS4235
 *             01011 - CS4236B
 *             01000 - CS4237B
 *             01001 - CS4238B
 *             11110 - CS4239
 *
 *  C2
 *     D7-D4: 3D Space (CS4235,CS4237B,CS4238B,CS4239)
 *     D3-D0: 3D Center (CS4237B); 3D Volume (CS4238B)
 * 
 *  C3
 *     D7: 3D Enable (CS4237B)
 *     D6: 3D Mono Enable (CS4237B)
 *     D5: 3D Serial Output (CS4237B,CS4238B)
 *     D4: 3D Enable (CS4235,CS4238B,CS4239)
 *
 *  C4
 *     D7: consumer serial port enable (CS4237B,CS4238B)
 *     D6: channels status block reset (CS4237B,CS4238B)
 *     D5: user bit in sub-frame of digital audio data (CS4237B,CS4238B)
 *     D4: validity bit bit in sub-frame of digital audio data (CS4237B,CS4238B)
 * 
 *  C5  lower channel status (digital serial data description) (CS4237B,CS4238B)
 *     D7-D6: first two bits of category code
 *     D5: lock
 *     D4-D3: pre-emphasis (0 = none, 1 = 50/15us)
 *     D2: copy/copyright (0 = copy inhibited)
 *     D1: 0 = digital audio / 1 = non-digital audio
 *     
 *  C6  upper channel status (digital serial data description) (CS4237B,CS4238B)
 *     D7-D6: sample frequency (0 = 44.1kHz)
 *     D5: generation status (0 = no indication, 1 = original/commercially precaptureed data)
 *     D4-D0: category code (upper bits)
 *
 *  C7  reserved (must write 0)
 *
 *  C8  wavetable control
 *     D7: volume control interrupt enable (CS4235,CS4239)
 *     D6: hardware volume control format (CS4235,CS4239)
 *     D3: wavetable serial port enable (all chips)
 *     D2: DSP serial port switch (all chips)
 *     D1: disable MCLK (all chips)
 *     D0: force BRESET low (all chips)
 *
 */

#include <asm/io.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <sound/core.h>
#include <sound/wss.h>
#include <sound/asoundef.h>
#include <sound/initval.h>
#include <sound/tlv.h>

/*
 *
 */

static unsigned char snd_cs4236_ext_map[18] = {
	/* CS4236_LEFT_LINE */		0xff,
	/* CS4236_RIGHT_LINE */		0xff,
	/* CS4236_LEFT_MIC */		0xdf,
	/* CS4236_RIGHT_MIC */		0xdf,
	/* CS4236_LEFT_MIX_CTRL */	0xe0 | 0x18,
	/* CS4236_RIGHT_MIX_CTRL */	0xe0,
	/* CS4236_LEFT_FM */		0xbf,
	/* CS4236_RIGHT_FM */		0xbf,
	/* CS4236_LEFT_DSP */		0xbf,
	/* CS4236_RIGHT_DSP */		0xbf,
	/* CS4236_RIGHT_LOOPBACK */	0xbf,
	/* CS4236_DAC_MUTE */		0xe0,
	/* CS4236_ADC_RATE */		0x01,	/* 48kHz */
	/* CS4236_DAC_RATE */		0x01,	/* 48kHz */
	/* CS4236_LEFT_MASTER */	0xbf,
	/* CS4236_RIGHT_MASTER */	0xbf,
	/* CS4236_LEFT_WAVE */		0xbf,
	/* CS4236_RIGHT_WAVE */		0xbf
};

/*
 *
 */

static void snd_cs4236_ctrl_out(struct snd_wss *chip,
				unsigned char reg, unsigned char val)
{
	outb(reg, chip->cport + 3);
	outb(chip->cimage[reg] = val, chip->cport + 4);
}

static unsigned char snd_cs4236_ctrl_in(struct snd_wss *chip, unsigned char reg)
{
	outb(reg, chip->cport + 3);
	return inb(chip->cport + 4);
}

/*
 *  PCM
 */

#define CLOCKS 8

static struct snd_ratnum clocks[CLOCKS] = {
	{ .num = 16934400, .den_min = 353, .den_max = 353, .den_step = 1 },
	{ .num = 16934400, .den_min = 529, .den_max = 529, .den_step = 1 },
	{ .num = 16934400, .den_min = 617, .den_max = 617, .den_step = 1 },
	{ .num = 16934400, .den_min = 1058, .den_max = 1058, .den_step = 1 },
	{ .num = 16934400, .den_min = 1764, .den_max = 1764, .den_step = 1 },
	{ .num = 16934400, .den_min = 2117, .den_max = 2117, .den_step = 1 },
	{ .num = 16934400, .den_min = 2558, .den_max = 2558, .den_step = 1 },
	{ .num = 16934400/16, .den_min = 21, .den_max = 192, .den_step = 1 }
};

static struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = {
	.nrats = CLOCKS,
	.rats = clocks,
};

static int snd_cs4236_xrate(struct snd_pcm_runtime *runtime)
{
	return snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
					     &hw_constraints_clocks);
}

static unsigned char divisor_to_rate_register(unsigned int divisor)
{
	switch (divisor) {
	case 353:	return 1;
	case 529:	return 2;
	case 617:	return 3;
	case 1058:	return 4;
	case 1764:	return 5;
	case 2117:	return 6;
	case 2558:	return 7;
	default:
		if (divisor < 21 || divisor > 192) {
			snd_BUG();
			return 192;
		}
		return divisor;
	}
}

static void snd_cs4236_playback_format(struct snd_wss *chip,
				       struct snd_pcm_hw_params *params,
				       unsigned char pdfr)
{
	unsigned long flags;
	unsigned char rate = divisor_to_rate_register(params->rate_den);
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	/* set fast playback format change and clean playback FIFO */
	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
		    chip->image[CS4231_ALT_FEATURE_1] | 0x10);
	snd_wss_out(chip, CS4231_PLAYBK_FORMAT, pdfr & 0xf0);
	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
		    chip->image[CS4231_ALT_FEATURE_1] & ~0x10);
	snd_cs4236_ext_out(chip, CS4236_DAC_RATE, rate);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
}

static void snd_cs4236_capture_format(struct snd_wss *chip,
				      struct snd_pcm_hw_params *params,
				      unsigned char cdfr)
{
	unsigned long flags;
	unsigned char rate = divisor_to_rate_register(params->rate_den);
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	/* set fast capture format change and clean capture FIFO */
	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
		    chip->image[CS4231_ALT_FEATURE_1] | 0x20);
	snd_wss_out(chip, CS4231_REC_FORMAT, cdfr & 0xf0);
	snd_wss_out(chip, CS4231_ALT_FEATURE_1,
		    chip->image[CS4231_ALT_FEATURE_1] & ~0x20);
	snd_cs4236_ext_out(chip, CS4236_ADC_RATE, rate);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
}

#ifdef CONFIG_PM

static void snd_cs4236_suspend(struct snd_wss *chip)
{
	int reg;
	unsigned long flags;
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	for (reg = 0; reg < 32; reg++)
		chip->image[reg] = snd_wss_in(chip, reg);
	for (reg = 0; reg < 18; reg++)
		chip->eimage[reg] = snd_cs4236_ext_in(chip, CS4236_I23VAL(reg));
	for (reg = 2; reg < 9; reg++)
		chip->cimage[reg] = snd_cs4236_ctrl_in(chip, reg);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
}

static void snd_cs4236_resume(struct snd_wss *chip)
{
	int reg;
	unsigned long flags;
	
	snd_wss_mce_up(chip);
	spin_lock_irqsave(&chip->reg_lock, flags);
	for (reg = 0; reg < 32; reg++) {
		switch (reg) {
		case CS4236_EXT_REG:
		case CS4231_VERSION:
		case 27:	/* why? CS4235 - master left */
		case 29:	/* why? CS4235 - master right */
			break;
		default:
			snd_wss_out(chip, reg, chip->image[reg]);
			break;
		}
	}
	for (reg = 0; reg < 18; reg++)
		snd_cs4236_ext_out(chip, CS4236_I23VAL(reg), chip->eimage[reg]);
	for (reg = 2; reg < 9; reg++) {
		switch (reg) {
		case 7:
			break;
		default:
			snd_cs4236_ctrl_out(chip, reg, chip->cimage[reg]);
		}
	}
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	snd_wss_mce_down(chip);
}

#endif /* CONFIG_PM */
/*
 * This function does no fail if the chip is not CS4236B or compatible.
 * It just an equivalent to the snd_wss_create() then.
 */
int snd_cs4236_create(struct snd_card *card,
		      unsigned long port,
		      unsigned long cport,
		      int irq, int dma1, int dma2,
		      unsigned short hardware,
		      unsigned short hwshare,
		      struct snd_wss **rchip)
{
	struct snd_wss *chip;
	unsigned char ver1, ver2;
	unsigned int reg;
	int err;

	*rchip = NULL;
	if (hardware == WSS_HW_DETECT)
		hardware = WSS_HW_DETECT3;

	err = snd_wss_create(card, port, cport,
			     irq, dma1, dma2, hardware, hwshare, &chip);
	if (err < 0)
		return err;

	if ((chip->hardware & WSS_HW_CS4236B_MASK) == 0) {
		snd_printd("chip is not CS4236+, hardware=0x%x\n",
			   chip->hardware);
		*rchip = chip;
		return 0;
	}
#if 0
	{
		int idx;
		for (idx = 0; idx < 8; idx++)
			snd_printk(KERN_DEBUG "CD%i = 0x%x\n",
				   idx, inb(chip->cport + idx));
		for (idx = 0; idx < 9; idx++)
			snd_printk(KERN_DEBUG "C%i = 0x%x\n",
				   idx, snd_cs4236_ctrl_in(chip, idx));
	}
#endif
	if (cport < 0x100 || cport == SNDRV_AUTO_PORT) {
		snd_printk(KERN_ERR "please, specify control port "
			   "for CS4236+ chips\n");
		snd_device_free(card, chip);
		return -ENODEV;
	}
	ver1 = snd_cs4236_ctrl_in(chip, 1);
	ver2 = snd_cs4236_ext_in(chip, CS4236_VERSION);
	snd_printdd("CS4236: [0x%lx] C1 (version) = 0x%x, ext = 0x%x\n",
			cport, ver1, ver2);
	if (ver1 != ver2) {
		snd_printk(KERN_ERR "CS4236+ chip detected, but "
			   "control port 0x%lx is not valid\n", cport);
		snd_device_free(card, chip);
		return -ENODEV;
	}
	snd_cs4236_ctrl_out(chip, 0, 0x00);
	snd_cs4236_ctrl_out(chip, 2, 0xff);
	snd_cs4236_ctrl_out(chip, 3, 0x00);
	snd_cs4236_ctrl_out(chip, 4, 0x80);
	reg = ((IEC958_AES1_CON_PCM_CODER & 3) << 6) |
	      IEC958_AES0_CON_EMPHASIS_NONE;
	snd_cs4236_ctrl_out(chip, 5, reg);
	snd_cs4236_ctrl_out(chip, 6, IEC958_AES1_CON_PCM_CODER >> 2);
	snd_cs4236_ctrl_out(chip, 7, 0x00);
	/*
	 * 0x8c for C8 is valid for Turtle Beach Malibu - the IEC-958
	 * output is working with this setup, other hardware should
	 * have different signal paths and this value should be
	 * selectable in the future
	 */
	snd_cs4236_ctrl_out(chip, 8, 0x8c);
	chip->rate_constraint = snd_cs4236_xrate;
	chip->set_playback_format = snd_cs4236_playback_format;
	chip->set_capture_format = snd_cs4236_capture_format;
#ifdef CONFIG_PM
	chip->suspend = snd_cs4236_suspend;
	chip->resume = snd_cs4236_resume;
#endif

	/* initialize extended registers */
	for (reg = 0; reg < sizeof(snd_cs4236_ext_map); reg++)
		snd_cs4236_ext_out(chip, CS4236_I23VAL(reg),
				   snd_cs4236_ext_map[reg]);

	/* initialize compatible but more featured registers */
	snd_wss_out(chip, CS4231_LEFT_INPUT, 0x40);
	snd_wss_out(chip, CS4231_RIGHT_INPUT, 0x40);
	snd_wss_out(chip, CS4231_AUX1_LEFT_INPUT, 0xff);
	snd_wss_out(chip, CS4231_AUX1_RIGHT_INPUT, 0xff);
	snd_wss_out(chip, CS4231_AUX2_LEFT_INPUT, 0xdf);
	snd_wss_out(chip, CS4231_AUX2_RIGHT_INPUT, 0xdf);
	snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff);
	snd_wss_out(chip, CS4231_LEFT_LINE_IN, 0xff);
	snd_wss_out(chip, CS4231_RIGHT_LINE_IN, 0xff);
	switch (chip->hardware) {
	case WSS_HW_CS4235:
	case WSS_HW_CS4239:
		snd_wss_out(chip, CS4235_LEFT_MASTER, 0xff);
		snd_wss_out(chip, CS4235_RIGHT_MASTER, 0xff);
		break;
	}

	*rchip = chip;
	return 0;
}

int snd_cs4236_pcm(struct snd_wss *chip, int device, struct snd_pcm **rpcm)
{
	struct snd_pcm *pcm;
	int err;
	
	err = snd_wss_pcm(chip, device, &pcm);
	if (err < 0)
		return err;
	pcm->info_flags &= ~SNDRV_PCM_INFO_JOINT_DUPLEX;
	if (rpcm)
		*rpcm = pcm;
	return 0;
}

/*
 *  MIXER
 */

#define CS4236_SINGLE(xname, xindex, reg, shift, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .info = snd_cs4236_info_single, \
  .get = snd_cs4236_get_single, .put = snd_cs4236_put_single, \
  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }

#define CS4236_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
  .info = snd_cs4236_info_single, \
  .get = snd_cs4236_get_single, .put = snd_cs4236_put_single, \
  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
  .tlv = { .p = (xtlv) } }

static int snd_cs4236_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	int mask = (kcontrol->private_value >> 16) & 0xff;

	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = mask;
	return 0;
}

static int snd_cs4236_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int reg = kcontrol->private_value & 0xff;
	int shift = (kcontrol->private_value >> 8) & 0xff;
	int mask = (kcontrol->private_value >> 16) & 0xff;
	int invert = (kcontrol->private_value >> 24) & 0xff;
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	ucontrol->value.integer.value[0] = (chip->eimage[CS4236_REG(reg)] >> shift) & mask;
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	if (invert)
		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
	return 0;
}

static int snd_cs4236_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int reg = kcontrol->private_value & 0xff;
	int shift = (kcontrol->private_value >> 8) & 0xff;
	int mask = (kcontrol->private_value >> 16) & 0xff;
	int invert = (kcontrol->private_value >> 24) & 0xff;
	int change;
	unsigned short val;
	
	val = (ucontrol->value.integer.value[0] & mask);
	if (invert)
		val = mask - val;
	val <<= shift;
	spin_lock_irqsave(&chip->reg_lock, flags);
	val = (chip->eimage[CS4236_REG(reg)] & ~(mask << shift)) | val;
	change = val != chip->eimage[CS4236_REG(reg)];
	snd_cs4236_ext_out(chip, reg, val);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return change;
}

#define CS4236_SINGLEC(xname, xindex, reg, shift, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .info = snd_cs4236_info_single, \
  .get = snd_cs4236_get_singlec, .put = snd_cs4236_put_singlec, \
  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }

static int snd_cs4236_get_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int reg = kcontrol->private_value & 0xff;
	int shift = (kcontrol->private_value >> 8) & 0xff;
	int mask = (kcontrol->private_value >> 16) & 0xff;
	int invert = (kcontrol->private_value >> 24) & 0xff;
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	ucontrol->value.integer.value[0] = (chip->cimage[reg] >> shift) & mask;
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	if (invert)
		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
	return 0;
}

static int snd_cs4236_put_singlec(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int reg = kcontrol->private_value & 0xff;
	int shift = (kcontrol->private_value >> 8) & 0xff;
	int mask = (kcontrol->private_value >> 16) & 0xff;
	int invert = (kcontrol->private_value >> 24) & 0xff;
	int change;
	unsigned short val;
	
	val = (ucontrol->value.integer.value[0] & mask);
	if (invert)
		val = mask - val;
	val <<= shift;
	spin_lock_irqsave(&chip->reg_lock, flags);
	val = (chip->cimage[reg] & ~(mask << shift)) | val;
	change = val != chip->cimage[reg];
	snd_cs4236_ctrl_out(chip, reg, val);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return change;
}

#define CS4236_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .info = snd_cs4236_info_double, \
  .get = snd_cs4236_get_double, .put = snd_cs4236_put_double, \
  .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }

#define CS4236_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, \
			  shift_right, mask, invert, xtlv) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
  .info = snd_cs4236_info_double, \
  .get = snd_cs4236_get_double, .put = snd_cs4236_put_double, \
  .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \
		   (shift_right << 19) | (mask << 24) | (invert << 22), \
  .tlv = { .p = (xtlv) } }

static int snd_cs4236_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	int mask = (kcontrol->private_value >> 24) & 0xff;

	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 2;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = mask;
	return 0;
}

static int snd_cs4236_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int left_reg = kcontrol->private_value & 0xff;
	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	int shift_left = (kcontrol->private_value >> 16) & 0x07;
	int shift_right = (kcontrol->private_value >> 19) & 0x07;
	int mask = (kcontrol->private_value >> 24) & 0xff;
	int invert = (kcontrol->private_value >> 22) & 1;
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	ucontrol->value.integer.value[0] = (chip->eimage[CS4236_REG(left_reg)] >> shift_left) & mask;
	ucontrol->value.integer.value[1] = (chip->eimage[CS4236_REG(right_reg)] >> shift_right) & mask;
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	if (invert) {
		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
	}
	return 0;
}

static int snd_cs4236_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int left_reg = kcontrol->private_value & 0xff;
	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	int shift_left = (kcontrol->private_value >> 16) & 0x07;
	int shift_right = (kcontrol->private_value >> 19) & 0x07;
	int mask = (kcontrol->private_value >> 24) & 0xff;
	int invert = (kcontrol->private_value >> 22) & 1;
	int change;
	unsigned short val1, val2;
	
	val1 = ucontrol->value.integer.value[0] & mask;
	val2 = ucontrol->value.integer.value[1] & mask;
	if (invert) {
		val1 = mask - val1;
		val2 = mask - val2;
	}
	val1 <<= shift_left;
	val2 <<= shift_right;
	spin_lock_irqsave(&chip->reg_lock, flags);
	if (left_reg != right_reg) {
		val1 = (chip->eimage[CS4236_REG(left_reg)] & ~(mask << shift_left)) | val1;
		val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2;
		change = val1 != chip->eimage[CS4236_REG(left_reg)] || val2 != chip->eimage[CS4236_REG(right_reg)];
		snd_cs4236_ext_out(chip, left_reg, val1);
		snd_cs4236_ext_out(chip, right_reg, val2);
	} else {
		val1 = (chip->eimage[CS4236_REG(left_reg)] & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
		change = val1 != chip->eimage[CS4236_REG(left_reg)];
		snd_cs4236_ext_out(chip, left_reg, val1);
	}
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return change;
}

#define CS4236_DOUBLE1(xname, xindex, left_reg, right_reg, shift_left, \
			shift_right, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .info = snd_cs4236_info_double, \
  .get = snd_cs4236_get_double1, .put = snd_cs4236_put_double1, \
  .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) }

#define CS4236_DOUBLE1_TLV(xname, xindex, left_reg, right_reg, shift_left, \
			   shift_right, mask, invert, xtlv) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
  .info = snd_cs4236_info_double, \
  .get = snd_cs4236_get_double1, .put = snd_cs4236_put_double1, \
  .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | \
		   (shift_right << 19) | (mask << 24) | (invert << 22), \
  .tlv = { .p = (xtlv) } }

static int snd_cs4236_get_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int left_reg = kcontrol->private_value & 0xff;
	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	int shift_left = (kcontrol->private_value >> 16) & 0x07;
	int shift_right = (kcontrol->private_value >> 19) & 0x07;
	int mask = (kcontrol->private_value >> 24) & 0xff;
	int invert = (kcontrol->private_value >> 22) & 1;
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask;
	ucontrol->value.integer.value[1] = (chip->eimage[CS4236_REG(right_reg)] >> shift_right) & mask;
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	if (invert) {
		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
	}
	return 0;
}

static int snd_cs4236_put_double1(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int left_reg = kcontrol->private_value & 0xff;
	int right_reg = (kcontrol->private_value >> 8) & 0xff;
	int shift_left = (kcontrol->private_value >> 16) & 0x07;
	int shift_right = (kcontrol->private_value >> 19) & 0x07;
	int mask = (kcontrol->private_value >> 24) & 0xff;
	int invert = (kcontrol->private_value >> 22) & 1;
	int change;
	unsigned short val1, val2;
	
	val1 = ucontrol->value.integer.value[0] & mask;
	val2 = ucontrol->value.integer.value[1] & mask;
	if (invert) {
		val1 = mask - val1;
		val2 = mask - val2;
	}
	val1 <<= shift_left;
	val2 <<= shift_right;
	spin_lock_irqsave(&chip->reg_lock, flags);
	val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1;
	val2 = (chip->eimage[CS4236_REG(right_reg)] & ~(mask << shift_right)) | val2;
	change = val1 != chip->image[left_reg] || val2 != chip->eimage[CS4236_REG(right_reg)];
	snd_wss_out(chip, left_reg, val1);
	snd_cs4236_ext_out(chip, right_reg, val2);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return change;
}

#define CS4236_MASTER_DIGITAL(xname, xindex, xtlv) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
  .info = snd_cs4236_info_double, \
  .get = snd_cs4236_get_master_digital, .put = snd_cs4236_put_master_digital, \
  .private_value = 71 << 24, \
  .tlv = { .p = (xtlv) } }

static inline int snd_cs4236_mixer_master_digital_invert_volume(int vol)
{
	return (vol < 64) ? 63 - vol : 64 + (71 - vol);
}

static int snd_cs4236_get_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	ucontrol->value.integer.value[0] = snd_cs4236_mixer_master_digital_invert_volume(chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] & 0x7f);
	ucontrol->value.integer.value[1] = snd_cs4236_mixer_master_digital_invert_volume(chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)] & 0x7f);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return 0;
}

static int snd_cs4236_put_master_digital(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int change;
	unsigned short val1, val2;
	
	val1 = snd_cs4236_mixer_master_digital_invert_volume(ucontrol->value.integer.value[0] & 0x7f);
	val2 = snd_cs4236_mixer_master_digital_invert_volume(ucontrol->value.integer.value[1] & 0x7f);
	spin_lock_irqsave(&chip->reg_lock, flags);
	val1 = (chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] & ~0x7f) | val1;
	val2 = (chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)] & ~0x7f) | val2;
	change = val1 != chip->eimage[CS4236_REG(CS4236_LEFT_MASTER)] || val2 != chip->eimage[CS4236_REG(CS4236_RIGHT_MASTER)];
	snd_cs4236_ext_out(chip, CS4236_LEFT_MASTER, val1);
	snd_cs4236_ext_out(chip, CS4236_RIGHT_MASTER, val2);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return change;
}

#define CS4235_OUTPUT_ACCU(xname, xindex, xtlv) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
  .info = snd_cs4236_info_double, \
  .get = snd_cs4235_get_output_accu, .put = snd_cs4235_put_output_accu, \
  .private_value = 3 << 24, \
  .tlv = { .p = (xtlv) } }

static inline int snd_cs4235_mixer_output_accu_get_volume(int vol)
{
	switch ((vol >> 5) & 3) {
	case 0: return 1;
	case 1: return 3;
	case 2: return 2;
	case 3: return 0;
 	}
	return 3;
}

static inline int snd_cs4235_mixer_output_accu_set_volume(int vol)
{
	switch (vol & 3) {
	case 0: return 3 << 5;
	case 1: return 0 << 5;
	case 2: return 2 << 5;
	case 3: return 1 << 5;
	}
	return 1 << 5;
}

static int snd_cs4235_get_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	ucontrol->value.integer.value[0] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_LEFT_MASTER]);
	ucontrol->value.integer.value[1] = snd_cs4235_mixer_output_accu_get_volume(chip->image[CS4235_RIGHT_MASTER]);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return 0;
}

static int snd_cs4235_put_output_accu(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int change;
	unsigned short val1, val2;
	
	val1 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[0]);
	val2 = snd_cs4235_mixer_output_accu_set_volume(ucontrol->value.integer.value[1]);
	spin_lock_irqsave(&chip->reg_lock, flags);
	val1 = (chip->image[CS4235_LEFT_MASTER] & ~(3 << 5)) | val1;
	val2 = (chip->image[CS4235_RIGHT_MASTER] & ~(3 << 5)) | val2;
	change = val1 != chip->image[CS4235_LEFT_MASTER] || val2 != chip->image[CS4235_RIGHT_MASTER];
	snd_wss_out(chip, CS4235_LEFT_MASTER, val1);
	snd_wss_out(chip, CS4235_RIGHT_MASTER, val2);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return change;
}

static const DECLARE_TLV_DB_SCALE(db_scale_7bit, -9450, 150, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_6bit_12db_max, -8250, 150, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_5bit_22db_max, -2400, 150, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_2bit, -1800, 600, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);

static struct snd_kcontrol_new snd_cs4236_controls[] = {

CS4236_DOUBLE("Master Digital Playback Switch", 0,
		CS4236_LEFT_MASTER, CS4236_RIGHT_MASTER, 7, 7, 1, 1),
CS4236_DOUBLE("Master Digital Capture Switch", 0,
		CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1),
CS4236_MASTER_DIGITAL("Master Digital Volume", 0, db_scale_7bit),

CS4236_DOUBLE_TLV("Capture Boost Volume", 0,
		  CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1,
		  db_scale_2bit),

WSS_DOUBLE("PCM Playback Switch", 0,
		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
WSS_DOUBLE_TLV("PCM Playback Volume", 0,
		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1,
		db_scale_6bit),

CS4236_DOUBLE("DSP Playback Switch", 0,
		CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1),
CS4236_DOUBLE_TLV("DSP Playback Volume", 0,
		  CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 0, 0, 63, 1,
		  db_scale_6bit),

CS4236_DOUBLE("FM Playback Switch", 0,
		CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1),
CS4236_DOUBLE_TLV("FM Playback Volume", 0,
		  CS4236_LEFT_FM, CS4236_RIGHT_FM, 0, 0, 63, 1,
		  db_scale_6bit),

CS4236_DOUBLE("Wavetable Playback Switch", 0,
		CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1),
CS4236_DOUBLE_TLV("Wavetable Playback Volume", 0,
		  CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 0, 0, 63, 1,
		  db_scale_6bit_12db_max),

WSS_DOUBLE("Synth Playback Switch", 0,
		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
WSS_DOUBLE_TLV("Synth Volume", 0,
		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1,
		db_scale_5bit_12db_max),
WSS_DOUBLE("Synth Capture Switch", 0,
		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1),
WSS_DOUBLE("Synth Capture Bypass", 0,
		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 5, 5, 1, 1),

CS4236_DOUBLE("Mic Playback Switch", 0,
		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1),
CS4236_DOUBLE("Mic Capture Switch", 0,
		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1),
CS4236_DOUBLE_TLV("Mic Volume", 0, CS4236_LEFT_MIC, CS4236_RIGHT_MIC,
		  0, 0, 31, 1, db_scale_5bit_22db_max),
CS4236_DOUBLE("Mic Playback Boost (+20dB)", 0,
		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 5, 5, 1, 0),

WSS_DOUBLE("Line Playback Switch", 0,
		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
WSS_DOUBLE_TLV("Line Volume", 0,
		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1,
		db_scale_5bit_12db_max),
WSS_DOUBLE("Line Capture Switch", 0,
		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1),
WSS_DOUBLE("Line Capture Bypass", 0,
		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 5, 5, 1, 1),

WSS_DOUBLE("CD Playback Switch", 0,
		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
WSS_DOUBLE_TLV("CD Volume", 0,
		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1,
		db_scale_5bit_12db_max),
WSS_DOUBLE("CD Capture Switch", 0,
		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1),

CS4236_DOUBLE1("Mono Output Playback Switch", 0,
		CS4231_MONO_CTRL, CS4236_RIGHT_MIX_CTRL, 6, 7, 1, 1),
CS4236_DOUBLE1("Beep Playback Switch", 0,
		CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1),
WSS_SINGLE_TLV("Beep Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1,
		db_scale_4bit),
WSS_SINGLE("Beep Bypass Playback Switch", 0, CS4231_MONO_CTRL, 5, 1, 0),

WSS_DOUBLE_TLV("Capture Volume", 0, CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT,
		0, 0, 15, 0, db_scale_rec_gain),
WSS_DOUBLE("Analog Loopback Capture Switch", 0,
		CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0),

WSS_SINGLE("Loopback Digital Playback Switch", 0, CS4231_LOOPBACK, 0, 1, 0),
CS4236_DOUBLE1_TLV("Loopback Digital Playback Volume", 0,
		   CS4231_LOOPBACK, CS4236_RIGHT_LOOPBACK, 2, 0, 63, 1,
		   db_scale_6bit),
};

static const DECLARE_TLV_DB_SCALE(db_scale_5bit_6db_max, -5600, 200, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_2bit_16db_max, -2400, 800, 0);

static struct snd_kcontrol_new snd_cs4235_controls[] = {

WSS_DOUBLE("Master Playback Switch", 0,
		CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 7, 7, 1, 1),
WSS_DOUBLE_TLV("Master Playback Volume", 0,
		CS4235_LEFT_MASTER, CS4235_RIGHT_MASTER, 0, 0, 31, 1,
		db_scale_5bit_6db_max),

CS4235_OUTPUT_ACCU("Playback Volume", 0, db_scale_2bit_16db_max),

WSS_DOUBLE("Synth Playback Switch", 1,
		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 7, 7, 1, 1),
WSS_DOUBLE("Synth Capture Switch", 1,
		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 6, 6, 1, 1),
WSS_DOUBLE_TLV("Synth Volume", 1,
		CS4231_LEFT_LINE_IN, CS4231_RIGHT_LINE_IN, 0, 0, 31, 1,
		db_scale_5bit_12db_max),

CS4236_DOUBLE_TLV("Capture Volume", 0,
		  CS4236_LEFT_MIX_CTRL, CS4236_RIGHT_MIX_CTRL, 5, 5, 3, 1,
		  db_scale_2bit),

WSS_DOUBLE("PCM Playback Switch", 0,
		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
WSS_DOUBLE("PCM Capture Switch", 0,
		CS4236_DAC_MUTE, CS4236_DAC_MUTE, 7, 6, 1, 1),
WSS_DOUBLE_TLV("PCM Volume", 0,
		CS4231_LEFT_OUTPUT, CS4231_RIGHT_OUTPUT, 0, 0, 63, 1,
		db_scale_6bit),

CS4236_DOUBLE("DSP Switch", 0, CS4236_LEFT_DSP, CS4236_RIGHT_DSP, 7, 7, 1, 1),

CS4236_DOUBLE("FM Switch", 0, CS4236_LEFT_FM, CS4236_RIGHT_FM, 7, 7, 1, 1),

CS4236_DOUBLE("Wavetable Switch", 0,
		CS4236_LEFT_WAVE, CS4236_RIGHT_WAVE, 7, 7, 1, 1),

CS4236_DOUBLE("Mic Capture Switch", 0,
		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 7, 7, 1, 1),
CS4236_DOUBLE("Mic Playback Switch", 0,
		CS4236_LEFT_MIC, CS4236_RIGHT_MIC, 6, 6, 1, 1),
CS4236_SINGLE_TLV("Mic Volume", 0, CS4236_LEFT_MIC, 0, 31, 1,
		  db_scale_5bit_22db_max),
CS4236_SINGLE("Mic Boost (+20dB)", 0, CS4236_LEFT_MIC, 5, 1, 0),

WSS_DOUBLE("Line Playback Switch", 0,
		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 7, 7, 1, 1),
WSS_DOUBLE("Line Capture Switch", 0,
		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 6, 6, 1, 1),
WSS_DOUBLE_TLV("Line Volume", 0,
		CS4231_AUX1_LEFT_INPUT, CS4231_AUX1_RIGHT_INPUT, 0, 0, 31, 1,
		db_scale_5bit_12db_max),

WSS_DOUBLE("CD Playback Switch", 1,
		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 7, 7, 1, 1),
WSS_DOUBLE("CD Capture Switch", 1,
		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 6, 6, 1, 1),
WSS_DOUBLE_TLV("CD Volume", 1,
		CS4231_AUX2_LEFT_INPUT, CS4231_AUX2_RIGHT_INPUT, 0, 0, 31, 1,
		db_scale_5bit_12db_max),

CS4236_DOUBLE1("Beep Playback Switch", 0,
		CS4231_MONO_CTRL, CS4236_LEFT_MIX_CTRL, 7, 7, 1, 1),
WSS_SINGLE("Beep Playback Volume", 0, CS4231_MONO_CTRL, 0, 15, 1),

WSS_DOUBLE("Analog Loopback Switch", 0,
		CS4231_LEFT_INPUT, CS4231_RIGHT_INPUT, 7, 7, 1, 0),
};

#define CS4236_IEC958_ENABLE(xname, xindex) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
  .info = snd_cs4236_info_single, \
  .get = snd_cs4236_get_iec958_switch, .put = snd_cs4236_put_iec958_switch, \
  .private_value = 1 << 16 }

static int snd_cs4236_get_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	
	spin_lock_irqsave(&chip->reg_lock, flags);
	ucontrol->value.integer.value[0] = chip->image[CS4231_ALT_FEATURE_1] & 0x02 ? 1 : 0;
#if 0
	printk(KERN_DEBUG "get valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, "
	       "C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
			snd_wss_in(chip, CS4231_ALT_FEATURE_1),
			snd_cs4236_ctrl_in(chip, 3),
			snd_cs4236_ctrl_in(chip, 4),
			snd_cs4236_ctrl_in(chip, 5),
			snd_cs4236_ctrl_in(chip, 6),
			snd_cs4236_ctrl_in(chip, 8));
#endif
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	return 0;
}

static int snd_cs4236_put_iec958_switch(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_wss *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int change;
	unsigned short enable, val;
	
	enable = ucontrol->value.integer.value[0] & 1;

	mutex_lock(&chip->mce_mutex);
	snd_wss_mce_up(chip);
	spin_lock_irqsave(&chip->reg_lock, flags);
	val = (chip->image[CS4231_ALT_FEATURE_1] & ~0x0e) | (0<<2) | (enable << 1);
	change = val != chip->image[CS4231_ALT_FEATURE_1];
	snd_wss_out(chip, CS4231_ALT_FEATURE_1, val);
	val = snd_cs4236_ctrl_in(chip, 4) | 0xc0;
	snd_cs4236_ctrl_out(chip, 4, val);
	udelay(100);
	val &= ~0x40;
	snd_cs4236_ctrl_out(chip, 4, val);
	spin_unlock_irqrestore(&chip->reg_lock, flags);
	snd_wss_mce_down(chip);
	mutex_unlock(&chip->mce_mutex);

#if 0
	printk(KERN_DEBUG "set valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, "
	       "C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
			snd_wss_in(chip, CS4231_ALT_FEATURE_1),
			snd_cs4236_ctrl_in(chip, 3),
			snd_cs4236_ctrl_in(chip, 4),
			snd_cs4236_ctrl_in(chip, 5),
			snd_cs4236_ctrl_in(chip, 6),
			snd_cs4236_ctrl_in(chip, 8));
#endif
	return change;
}

static struct snd_kcontrol_new snd_cs4236_iec958_controls[] = {
CS4236_IEC958_ENABLE("IEC958 Output Enable", 0),
CS4236_SINGLEC("IEC958 Output Validity", 0, 4, 4, 1, 0),
CS4236_SINGLEC("IEC958 Output User", 0, 4, 5, 1, 0),
CS4236_SINGLEC("IEC958 Output CSBR", 0, 4, 6, 1, 0),
CS4236_SINGLEC("IEC958 Output Channel Status Low", 0, 5, 1, 127, 0),
CS4236_SINGLEC("IEC958 Output Channel Status High", 0, 6, 0, 255, 0)
};

static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4235[] = {
CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1)
};

static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4237[] = {
CS4236_SINGLEC("3D Control - Switch", 0, 3, 7, 1, 0),
CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
CS4236_SINGLEC("3D Control - Center", 0, 2, 0, 15, 1),
CS4236_SINGLEC("3D Control - Mono", 0, 3, 6, 1, 0),
CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
};

static struct snd_kcontrol_new snd_cs4236_3d_controls_cs4238[] = {
CS4236_SINGLEC("3D Control - Switch", 0, 3, 4, 1, 0),
CS4236_SINGLEC("3D Control - Space", 0, 2, 4, 15, 1),
CS4236_SINGLEC("3D Control - Volume", 0, 2, 0, 15, 1),
CS4236_SINGLEC("3D Control - IEC958", 0, 3, 5, 1, 0)
};

int snd_cs4236_mixer(struct snd_wss *chip)
{
	struct snd_card *card;
	unsigned int idx, count;
	int err;
	struct snd_kcontrol_new *kcontrol;

	if (snd_BUG_ON(!chip || !chip->card))
		return -EINVAL;
	card = chip->card;
	strcpy(card->mixername, snd_wss_chip_id(chip));

	if (chip->hardware == WSS_HW_CS4235 ||
	    chip->hardware == WSS_HW_CS4239) {
		for (idx = 0; idx < ARRAY_SIZE(snd_cs4235_controls); idx++) {
			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4235_controls[idx], chip))) < 0)
				return err;
		}
	} else {
		for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_controls); idx++) {
			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_controls[idx], chip))) < 0)
				return err;
		}
	}
	switch (chip->hardware) {
	case WSS_HW_CS4235:
	case WSS_HW_CS4239:
		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4235);
		kcontrol = snd_cs4236_3d_controls_cs4235;
		break;
	case WSS_HW_CS4237B:
		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4237);
		kcontrol = snd_cs4236_3d_controls_cs4237;
		break;
	case WSS_HW_CS4238B:
		count = ARRAY_SIZE(snd_cs4236_3d_controls_cs4238);
		kcontrol = snd_cs4236_3d_controls_cs4238;
		break;
	default:
		count = 0;
		kcontrol = NULL;
	}
	for (idx = 0; idx < count; idx++, kcontrol++) {
		if ((err = snd_ctl_add(card, snd_ctl_new1(kcontrol, chip))) < 0)
			return err;
	}
	if (chip->hardware == WSS_HW_CS4237B ||
	    chip->hardware == WSS_HW_CS4238B) {
		for (idx = 0; idx < ARRAY_SIZE(snd_cs4236_iec958_controls); idx++) {
			if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_cs4236_iec958_controls[idx], chip))) < 0)
				return err;
		}
	}
	return 0;
}