aboutsummaryrefslogtreecommitdiffstats
path: root/sound/pci/ca0106/ca0106_mixer.c
blob: ad2888705d2a60d63661d8d1ba1412a109ce2bad (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
/*
 *  Copyright (c) 2004 James Courtier-Dutton <James@superbug.demon.co.uk>
 *  Driver CA0106 chips. e.g. Sound Blaster Audigy LS and Live 24bit
 *  Version: 0.0.18
 *
 *  FEATURES currently supported:
 *    See ca0106_main.c for features.
 * 
 *  Changelog:
 *    Support interrupts per period.
 *    Removed noise from Center/LFE channel when in Analog mode.
 *    Rename and remove mixer controls.
 *  0.0.6
 *    Use separate card based DMA buffer for periods table list.
 *  0.0.7
 *    Change remove and rename ctrls into lists.
 *  0.0.8
 *    Try to fix capture sources.
 *  0.0.9
 *    Fix AC3 output.
 *    Enable S32_LE format support.
 *  0.0.10
 *    Enable playback 48000 and 96000 rates. (Rates other that these do not work, even with "plug:front".)
 *  0.0.11
 *    Add Model name recognition.
 *  0.0.12
 *    Correct interrupt timing. interrupt at end of period, instead of in the middle of a playback period.
 *    Remove redundent "voice" handling.
 *  0.0.13
 *    Single trigger call for multi channels.
 *  0.0.14
 *    Set limits based on what the sound card hardware can do.
 *    playback periods_min=2, periods_max=8
 *    capture hw constraints require period_size = n * 64 bytes.
 *    playback hw constraints require period_size = n * 64 bytes.
 *  0.0.15
 *    Separated ca0106.c into separate functional .c files.
 *  0.0.16
 *    Modified Copyright message.
 *  0.0.17
 *    Implement Mic and Line in Capture.
 *  0.0.18
 *    Add support for mute control on SB Live 24bit (cards w/ SPI DAC)
 *
 *  This code was initally based on code from ALSA's emu10k1x.c which is:
 *  Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com>
 *
 *   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
 *
 */
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
#include <sound/info.h>
#include <sound/tlv.h>
#include <asm/io.h>

#include "ca0106.h"

static void ca0106_spdif_enable(struct snd_ca0106 *emu)
{
	unsigned int val;

	if (emu->spdif_enable) {
		/* Digital */
		snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
		snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x0b000000);
		val = snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) & ~0x1000;
		snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0, val);
		val = inl(emu->port + GPIO) & ~0x101;
		outl(val, emu->port + GPIO);

	} else {
		/* Analog */
		snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
		snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x000f0000);
		val = snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) | 0x1000;
		snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0, val);
		val = inl(emu->port + GPIO) | 0x101;
		outl(val, emu->port + GPIO);
	}
}

static void ca0106_set_capture_source(struct snd_ca0106 *emu)
{
	unsigned int val = emu->capture_source;
	unsigned int source, mask;
	source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
	mask = snd_ca0106_ptr_read(emu, CAPTURE_SOURCE, 0) & 0xffff;
	snd_ca0106_ptr_write(emu, CAPTURE_SOURCE, 0, source | mask);
}

static void ca0106_set_i2c_capture_source(struct snd_ca0106 *emu,
					  unsigned int val, int force)
{
	unsigned int ngain, ogain;
	u32 source;

	snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
	ngain = emu->i2c_capture_volume[val][0]; /* Left */
	ogain = emu->i2c_capture_volume[emu->i2c_capture_source][0]; /* Left */
	if (force || ngain != ogain)
		snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ngain & 0xff);
	ngain = emu->i2c_capture_volume[val][1]; /* Right */
	ogain = emu->i2c_capture_volume[emu->i2c_capture_source][1]; /* Right */
	if (force || ngain != ogain)
		snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ngain & 0xff);
	source = 1 << val;
	snd_ca0106_i2c_write(emu, ADC_MUX, source); /* Set source */
	emu->i2c_capture_source = val;
}

static void ca0106_set_capture_mic_line_in(struct snd_ca0106 *emu)
{
	u32 tmp;

	if (emu->capture_mic_line_in) {
		/* snd_ca0106_i2c_write(emu, ADC_MUX, 0); */ /* Mute input */
		tmp = inl(emu->port+GPIO) & ~0x400;
		tmp = tmp | 0x400;
		outl(tmp, emu->port+GPIO);
		/* snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_MIC); */
	} else {
		/* snd_ca0106_i2c_write(emu, ADC_MUX, 0); */ /* Mute input */
		tmp = inl(emu->port+GPIO) & ~0x400;
		outl(tmp, emu->port+GPIO);
		/* snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_LINEIN); */
	}
}

static void ca0106_set_spdif_bits(struct snd_ca0106 *emu, int idx)
{
	snd_ca0106_ptr_write(emu, SPCS0 + idx, 0, emu->spdif_str_bits[idx]);
}

/*
 */
static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale1, -5175, 25, 1);
static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale2, -10350, 50, 1);

#define snd_ca0106_shared_spdif_info	snd_ctl_boolean_mono_info

static int snd_ca0106_shared_spdif_get(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);

	ucontrol->value.integer.value[0] = emu->spdif_enable;
	return 0;
}

static int snd_ca0106_shared_spdif_put(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
	unsigned int val;
	int change = 0;

	val = !!ucontrol->value.integer.value[0];
	change = (emu->spdif_enable != val);
	if (change) {
		emu->spdif_enable = val;
		ca0106_spdif_enable(emu);
	}
        return change;
}

static int snd_ca0106_capture_source_info(struct snd_kcontrol *kcontrol,
					  struct snd_ctl_elem_info *uinfo)
{
	static char *texts[6] = {
		"IEC958 out", "i2s mixer out", "IEC958 in", "i2s in", "AC97 in", "SRC out"
	};

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 6;
	if (uinfo->value.enumerated.item > 5)
                uinfo->value.enumerated.item = 5;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ca0106_capture_source_get(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);

	ucontrol->value.enumerated.item[0] = emu->capture_source;
	return 0;
}

static int snd_ca0106_capture_source_put(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
	unsigned int val;
	int change = 0;

	val = ucontrol->value.enumerated.item[0] ;
	if (val >= 6)
		return -EINVAL;
	change = (emu->capture_source != val);
	if (change) {
		emu->capture_source = val;
		ca0106_set_capture_source(emu);
	}
        return change;
}

static int snd_ca0106_i2c_capture_source_info(struct snd_kcontrol *kcontrol,
					  struct snd_ctl_elem_info *uinfo)
{
	static char *texts[6] = {
		"Phone", "Mic", "Line in", "Aux"
	};

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 4;
	if (uinfo->value.enumerated.item > 3)
                uinfo->value.enumerated.item = 3;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ca0106_i2c_capture_source_get(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);

	ucontrol->value.enumerated.item[0] = emu->i2c_capture_source;
	return 0;
}

static int snd_ca0106_i2c_capture_source_put(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
	unsigned int source_id;
	int change = 0;
	/* If the capture source has changed,
	 * update the capture volume from the cached value
	 * for the particular source.
	 */
	source_id = ucontrol->value.enumerated.item[0] ;
	if (source_id >= 4)
		return -EINVAL;
	change = (emu->i2c_capture_source != source_id);
	if (change) {
		ca0106_set_i2c_capture_source(emu, source_id, 0);
	}
        return change;
}

static int snd_ca0106_capture_line_in_side_out_info(struct snd_kcontrol *kcontrol,
					       struct snd_ctl_elem_info *uinfo)
{
	static char *texts[2] = { "Side out", "Line in" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 2;
	if (uinfo->value.enumerated.item > 1)
                uinfo->value.enumerated.item = 1;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ca0106_capture_mic_line_in_info(struct snd_kcontrol *kcontrol,
					       struct snd_ctl_elem_info *uinfo)
{
	static char *texts[2] = { "Line in", "Mic in" };

	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
	uinfo->count = 1;
	uinfo->value.enumerated.items = 2;
	if (uinfo->value.enumerated.item > 1)
                uinfo->value.enumerated.item = 1;
	strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
	return 0;
}

static int snd_ca0106_capture_mic_line_in_get(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);

	ucontrol->value.enumerated.item[0] = emu->capture_mic_line_in;
	return 0;
}

static int snd_ca0106_capture_mic_line_in_put(struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
	unsigned int val;
	int change = 0;

	val = ucontrol->value.enumerated.item[0] ;
	if (val > 1)
		return -EINVAL;
	change = (emu->capture_mic_line_in != val);
	if (change) {
		emu->capture_mic_line_in = val;
		ca0106_set_capture_mic_line_in(emu);
	}
        return change;
}

static struct snd_kcontrol_new snd_ca0106_capture_mic_line_in __devinitdata =
{
	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
	.name =		"Shared Mic/Line in Capture Switch",
	.info =		snd_ca0106_capture_mic_line_in_info,
	.get =		snd_ca0106_capture_mic_line_in_get,
	.put =		snd_ca0106_capture_mic_line_in_put
};

static struct snd_kcontrol_new snd_ca0106_capture_line_in_side_out __devinitdata =
{
	.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
	.name =		"Shared Line in/Side out Capture Switch",
	.info =		snd_ca0106_capture_line_in_side_out_info,
	.get =		snd_ca0106_capture_mic_line_in_get,
	.put =		snd_ca0106_capture_mic_line_in_put
};


static int snd_ca0106_spdif_info(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_info *uinfo)
{
	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
	uinfo->count = 1;
	return 0;
}

static void decode_spdif_bits(unsigned char *status, unsigned int bits)
{
	status[0] = (bits >> 0) & 0xff;
	status[1] = (bits >> 8) & 0xff;
	status[2] = (bits >> 16) & 0xff;
	status[3] = (bits >> 24) & 0xff;
}

static int snd_ca0106_spdif_get_default(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
	unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);

	decode_spdif_bits(ucontrol->value.iec958.status,
			  emu->spdif_bits[idx]);
        return 0;
}

static int snd_ca0106_spdif_get_stream(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
	unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);

	decode_spdif_bits(ucontrol->value.iec958.status,
			  emu->spdif_str_bits[idx]);
        return 0;
}

static int snd_ca0106_spdif_get_mask(struct snd_kcontrol *kcontrol,
				      struct snd_ctl_elem_value *ucontrol)
{
	ucontrol->value.iec958.status[0] = 0xff;
	ucontrol->value.iec958.status[1] = 0xff;
	ucontrol->value.iec958.status[2] = 0xff;
	ucontrol->value.iec958.status[3] = 0xff;
        return 0;
}

static unsigned int encode_spdif_bits(unsigned char *status)
{
	return ((unsigned int)status[0] << 0) |
		((unsigned int)status[1] << 8) |
		((unsigned int)status[2] << 16) |
		((unsigned int)status[3] << 24);
}

static int snd_ca0106_spdif_put_default(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
	unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	unsigned int val;

	val = encode_spdif_bits(ucontrol->value.iec958.status);
	if (val != emu->spdif_bits[idx]) {
		emu->spdif_bits[idx] = val;
		/* FIXME: this isn't safe, but needed to keep the compatibility
		 * with older alsa-lib config
		 */
		emu->spdif_str_bits[idx] = val;
		ca0106_set_spdif_bits(emu, idx);
		return 1;
	}
	return 0;
}

static int snd_ca0106_spdif_put_stream(struct snd_kcontrol *kcontrol,
                                 struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
	unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
	unsigned int val;

	val = encode_spdif_bits(ucontrol->value.iec958.status);
	if (val != emu->spdif_str_bits[idx]) {
		emu->spdif_str_bits[idx] = val;
		ca0106_set_spdif_bits(emu, idx);
		return 1;
	}
        return 0;
}

static int snd_ca0106_volume_info(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_info *uinfo)
{
        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
        uinfo->count = 2;
        uinfo->value.integer.min = 0;
        uinfo->value.integer.max = 255;
        return 0;
}

static int snd_ca0106_volume_get(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
        unsigned int value;
	int channel_id, reg;

	channel_id = (kcontrol->private_value >> 8) & 0xff;
	reg = kcontrol->private_value & 0xff;

        value = snd_ca0106_ptr_read(emu, reg, channel_id);
        ucontrol->value.integer.value[0] = 0xff - ((value >> 24) & 0xff); /* Left */
        ucontrol->value.integer.value[1] = 0xff - ((value >> 16) & 0xff); /* Right */
        return 0;
}

static int snd_ca0106_volume_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
        unsigned int oval, nval;
	int channel_id, reg;

	channel_id = (kcontrol->private_value >> 8) & 0xff;
	reg = kcontrol->private_value & 0xff;

	oval = snd_ca0106_ptr_read(emu, reg, channel_id);
	nval = ((0xff - ucontrol->value.integer.value[0]) << 24) |
		((0xff - ucontrol->value.integer.value[1]) << 16);
        nval |= ((0xff - ucontrol->value.integer.value[0]) << 8) |
		((0xff - ucontrol->value.integer.value[1]) );
	if (oval == nval)
		return 0;
	snd_ca0106_ptr_write(emu, reg, channel_id, nval);
	return 1;
}

static int snd_ca0106_i2c_volume_info(struct snd_kcontrol *kcontrol,
				  struct snd_ctl_elem_info *uinfo)
{
        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
        uinfo->count = 2;
        uinfo->value.integer.min = 0;
        uinfo->value.integer.max = 255;
        return 0;
}

static int snd_ca0106_i2c_volume_get(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
	int source_id;

	source_id = kcontrol->private_value;

        ucontrol->value.integer.value[0] = emu->i2c_capture_volume[source_id][0];
        ucontrol->value.integer.value[1] = emu->i2c_capture_volume[source_id][1];
        return 0;
}

static int snd_ca0106_i2c_volume_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
        unsigned int ogain;
        unsigned int ngain;
	int source_id;
	int change = 0;

	source_id = kcontrol->private_value;
	ogain = emu->i2c_capture_volume[source_id][0]; /* Left */
	ngain = ucontrol->value.integer.value[0];
	if (ngain > 0xff)
		return -EINVAL;
	if (ogain != ngain) {
		if (emu->i2c_capture_source == source_id)
			snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ((ngain) & 0xff) );
		emu->i2c_capture_volume[source_id][0] = ucontrol->value.integer.value[0];
		change = 1;
	}
	ogain = emu->i2c_capture_volume[source_id][1]; /* Right */
	ngain = ucontrol->value.integer.value[1];
	if (ngain > 0xff)
		return -EINVAL;
	if (ogain != ngain) {
		if (emu->i2c_capture_source == source_id)
			snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ((ngain) & 0xff));
		emu->i2c_capture_volume[source_id][1] = ucontrol->value.integer.value[1];
		change = 1;
	}

	return change;
}

#define spi_mute_info	snd_ctl_boolean_mono_info

static int spi_mute_get(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
	unsigned int reg = kcontrol->private_value >> SPI_REG_SHIFT;
	unsigned int bit = kcontrol->private_value & SPI_REG_MASK;

	ucontrol->value.integer.value[0] = !(emu->spi_dac_reg[reg] & bit);
	return 0;
}

static int spi_mute_put(struct snd_kcontrol *kcontrol,
			struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
	unsigned int reg = kcontrol->private_value >> SPI_REG_SHIFT;
	unsigned int bit = kcontrol->private_value & SPI_REG_MASK;
	int ret;

	ret = emu->spi_dac_reg[reg] & bit;
	if (ucontrol->value.integer.value[0]) {
		if (!ret)	/* bit already cleared, do nothing */
			return 0;
		emu->spi_dac_reg[reg] &= ~bit;
	} else {
		if (ret)	/* bit already set, do nothing */
			return 0;
		emu->spi_dac_reg[reg] |= bit;
	}

	ret = snd_ca0106_spi_write(emu, emu->spi_dac_reg[reg]);
	return ret ? -EINVAL : 1;
}

#define CA_VOLUME(xname,chid,reg) \
{								\
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,	\
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |		\
	          SNDRV_CTL_ELEM_ACCESS_TLV_READ,		\
	.info =	 snd_ca0106_volume_info,			\
	.get =   snd_ca0106_volume_get,				\
	.put =   snd_ca0106_volume_put,				\
	.tlv = { .p = snd_ca0106_db_scale1 },			\
	.private_value = ((chid) << 8) | (reg)			\
}

static struct snd_kcontrol_new snd_ca0106_volume_ctls[] __devinitdata = {
	CA_VOLUME("Analog Front Playback Volume",
		  CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2),
        CA_VOLUME("Analog Rear Playback Volume",
		  CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME2),
	CA_VOLUME("Analog Center/LFE Playback Volume",
		  CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME2),
        CA_VOLUME("Analog Side Playback Volume",
		  CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME2),

        CA_VOLUME("IEC958 Front Playback Volume",
		  CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME1),
	CA_VOLUME("IEC958 Rear Playback Volume",
		  CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME1),
	CA_VOLUME("IEC958 Center/LFE Playback Volume",
		  CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME1),
	CA_VOLUME("IEC958 Unknown Playback Volume",
		  CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME1),

        CA_VOLUME("CAPTURE feedback Playback Volume",
		  1, CAPTURE_CONTROL),

	{
		.access =	SNDRV_CTL_ELEM_ACCESS_READ,
		.iface =        SNDRV_CTL_ELEM_IFACE_PCM,
		.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
		.count =	4,
		.info =         snd_ca0106_spdif_info,
		.get =          snd_ca0106_spdif_get_mask
	},
	{
		.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
		.name =		"IEC958 Playback Switch",
		.info =		snd_ca0106_shared_spdif_info,
		.get =		snd_ca0106_shared_spdif_get,
		.put =		snd_ca0106_shared_spdif_put
	},
	{
		.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
		.name =		"Digital Source Capture Enum",
		.info =		snd_ca0106_capture_source_info,
		.get =		snd_ca0106_capture_source_get,
		.put =		snd_ca0106_capture_source_put
	},
	{
		.iface =	SNDRV_CTL_ELEM_IFACE_MIXER,
		.name =		"Analog Source Capture Enum",
		.info =		snd_ca0106_i2c_capture_source_info,
		.get =		snd_ca0106_i2c_capture_source_get,
		.put =		snd_ca0106_i2c_capture_source_put
	},
	{
		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
		.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
		.count =	4,
		.info =         snd_ca0106_spdif_info,
		.get =          snd_ca0106_spdif_get_default,
		.put =          snd_ca0106_spdif_put_default
	},
	{
		.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
		.name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
		.count =	4,
		.info =         snd_ca0106_spdif_info,
		.get =          snd_ca0106_spdif_get_stream,
		.put =          snd_ca0106_spdif_put_stream
	},
};

#define I2C_VOLUME(xname,chid) \
{								\
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,	\
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |		\
	          SNDRV_CTL_ELEM_ACCESS_TLV_READ,		\
	.info =  snd_ca0106_i2c_volume_info,			\
	.get =   snd_ca0106_i2c_volume_get,			\
	.put =   snd_ca0106_i2c_volume_put,			\
	.tlv = { .p = snd_ca0106_db_scale2 },			\
	.private_value = chid					\
}

static struct snd_kcontrol_new snd_ca0106_volume_i2c_adc_ctls[] __devinitdata = {
        I2C_VOLUME("Phone Capture Volume", 0),
        I2C_VOLUME("Mic Capture Volume", 1),
        I2C_VOLUME("Line in Capture Volume", 2),
        I2C_VOLUME("Aux Capture Volume", 3),
};

#define SPI_SWITCH(xname,reg,bit) \
{								\
	.iface	= SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,	\
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,		\
	.info	= spi_mute_info,				\
	.get	= spi_mute_get,					\
	.put	= spi_mute_put,					\
	.private_value = (reg<<SPI_REG_SHIFT) | (bit)		\
}

static struct snd_kcontrol_new snd_ca0106_volume_spi_dac_ctls[]
__devinitdata = {
	SPI_SWITCH("Analog Front Playback Switch",
		   SPI_DMUTE4_REG, SPI_DMUTE4_BIT),
	SPI_SWITCH("Analog Rear Playback Switch",
		   SPI_DMUTE0_REG, SPI_DMUTE0_BIT),
	SPI_SWITCH("Analog Center/LFE Playback Switch",
		   SPI_DMUTE2_REG, SPI_DMUTE2_BIT),
	SPI_SWITCH("Analog Side Playback Switch",
		   SPI_DMUTE1_REG, SPI_DMUTE1_BIT),
};

static int __devinit remove_ctl(struct snd_card *card, const char *name)
{
	struct snd_ctl_elem_id id;
	memset(&id, 0, sizeof(id));
	strcpy(id.name, name);
	id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	return snd_ctl_remove_id(card, &id);
}

static struct snd_kcontrol __devinit *ctl_find(struct snd_card *card, const char *name)
{
	struct snd_ctl_elem_id sid;
	memset(&sid, 0, sizeof(sid));
	/* FIXME: strcpy is bad. */
	strcpy(sid.name, name);
	sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	return snd_ctl_find_id(card, &sid);
}

static int __devinit rename_ctl(struct snd_card *card, const char *src, const char *dst)
{
	struct snd_kcontrol *kctl = ctl_find(card, src);
	if (kctl) {
		strcpy(kctl->id.name, dst);
		return 0;
	}
	return -ENOENT;
}

#define ADD_CTLS(emu, ctls)						\
	do {								\
		int i, _err;						\
		for (i = 0; i < ARRAY_SIZE(ctls); i++) {		\
			_err = snd_ctl_add(card, snd_ctl_new1(&ctls[i], emu)); \
			if (_err < 0)					\
				return _err;				\
		}							\
	} while (0)

static __devinitdata
DECLARE_TLV_DB_SCALE(snd_ca0106_master_db_scale, -6375, 50, 1);

static char *slave_vols[] __devinitdata = {
	"Analog Front Playback Volume",
        "Analog Rear Playback Volume",
	"Analog Center/LFE Playback Volume",
        "Analog Side Playback Volume",
        "IEC958 Front Playback Volume",
	"IEC958 Rear Playback Volume",
	"IEC958 Center/LFE Playback Volume",
	"IEC958 Unknown Playback Volume",
        "CAPTURE feedback Playback Volume",
	NULL
};

static char *slave_sws[] __devinitdata = {
	"Analog Front Playback Switch",
	"Analog Rear Playback Switch",
	"Analog Center/LFE Playback Switch",
	"Analog Side Playback Switch",
	"IEC958 Playback Switch",
	NULL
};

static void __devinit add_slaves(struct snd_card *card,
				 struct snd_kcontrol *master, char **list)
{
	for (; *list; list++) {
		struct snd_kcontrol *slave = ctl_find(card, *list);
		if (slave)
			snd_ctl_add_slave(master, slave);
	}
}

int __devinit snd_ca0106_mixer(struct snd_ca0106 *emu)
{
	int err;
        struct snd_card *card = emu->card;
	char **c;
	struct snd_kcontrol *vmaster;
	static char *ca0106_remove_ctls[] = {
		"Master Mono Playback Switch",
		"Master Mono Playback Volume",
		"3D Control - Switch",
		"3D Control Sigmatel - Depth",
		"PCM Playback Switch",
		"PCM Playback Volume",
		"CD Playback Switch",
		"CD Playback Volume",
		"Phone Playback Switch",
		"Phone Playback Volume",
		"Video Playback Switch",
		"Video Playback Volume",
		"PC Speaker Playback Switch",
		"PC Speaker Playback Volume",
		"Mono Output Select",
		"Capture Source",
		"Capture Switch",
		"Capture Volume",
		"External Amplifier",
		"Sigmatel 4-Speaker Stereo Playback Switch",
		"Sigmatel Surround Phase Inversion Playback ",
		NULL
	};
	static char *ca0106_rename_ctls[] = {
		"Master Playback Switch", "Capture Switch",
		"Master Playback Volume", "Capture Volume",
		"Line Playback Switch", "AC97 Line Capture Switch",
		"Line Playback Volume", "AC97 Line Capture Volume",
		"Aux Playback Switch", "AC97 Aux Capture Switch",
		"Aux Playback Volume", "AC97 Aux Capture Volume",
		"Mic Playback Switch", "AC97 Mic Capture Switch",
		"Mic Playback Volume", "AC97 Mic Capture Volume",
		"Mic Select", "AC97 Mic Select",
		"Mic Boost (+20dB)", "AC97 Mic Boost (+20dB)",
		NULL
	};
#if 1
	for (c = ca0106_remove_ctls; *c; c++)
		remove_ctl(card, *c);
	for (c = ca0106_rename_ctls; *c; c += 2)
		rename_ctl(card, c[0], c[1]);
#endif

	ADD_CTLS(emu, snd_ca0106_volume_ctls);
	if (emu->details->i2c_adc == 1) {
		ADD_CTLS(emu, snd_ca0106_volume_i2c_adc_ctls);
		if (emu->details->gpio_type == 1)
			err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_capture_mic_line_in, emu));
		else  /* gpio_type == 2 */
			err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_capture_line_in_side_out, emu));
		if (err < 0)
			return err;
	}
	if (emu->details->spi_dac == 1)
		ADD_CTLS(emu, snd_ca0106_volume_spi_dac_ctls);

	/* Create virtual master controls */
	vmaster = snd_ctl_make_virtual_master("Master Playback Volume",
					      snd_ca0106_master_db_scale);
	if (!vmaster)
		return -ENOMEM;
	add_slaves(card, vmaster, slave_vols);

	if (emu->details->spi_dac == 1) {
		vmaster = snd_ctl_make_virtual_master("Master Playback Switch",
						      NULL);
		if (!vmaster)
			return -ENOMEM;
		add_slaves(card, vmaster, slave_sws);
	}
        return 0;
}

#ifdef CONFIG_PM
struct ca0106_vol_tbl {
	unsigned int channel_id;
	unsigned int reg;
};

static struct ca0106_vol_tbl saved_volumes[NUM_SAVED_VOLUMES] = {
	{ CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2 },
	{ CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME2 },
	{ CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME2 },
	{ CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME2 },
	{ CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME1 },
	{ CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME1 },
	{ CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME1 },
	{ CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME1 },
	{ 1, CAPTURE_CONTROL },
};

void snd_ca0106_mixer_suspend(struct snd_ca0106 *chip)
{
	int i;

	/* save volumes */
	for (i = 0; i < NUM_SAVED_VOLUMES; i++)
		chip->saved_vol[i] =
			snd_ca0106_ptr_read(chip, saved_volumes[i].reg,
					    saved_volumes[i].channel_id);
}

void snd_ca0106_mixer_resume(struct snd_ca0106  *chip)
{
	int i;

	for (i = 0; i < NUM_SAVED_VOLUMES; i++)
		snd_ca0106_ptr_write(chip, saved_volumes[i].reg,
				     saved_volumes[i].channel_id,
				     chip->saved_vol[i]);

	ca0106_spdif_enable(chip);
	ca0106_set_capture_source(chip);
	ca0106_set_i2c_capture_source(chip, chip->i2c_capture_source, 1);
	for (i = 0; i < 4; i++)
		ca0106_set_spdif_bits(chip, i);
	if (chip->details->i2c_adc)
		ca0106_set_capture_mic_line_in(chip);
}
#endif /* CONFIG_PM */

Privacy Policy