summaryrefslogtreecommitdiff
path: root/sound/pci/oxygen/xonar_dg.c
blob: 329da5434556ab316e32b87af09983abca620131 (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
/*
 * card driver for the Xonar DG/DGX
 *
 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
 * Copyright (c) Roman Volkov <v1ron@mail.ru>
 *
 *  This driver is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License, version 2.
 *
 *  This driver 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 driver; if not, see <http://www.gnu.org/licenses/>.
 */

/*
 * Xonar DG/DGX
 * ------------
 *
 * CS4245 and CS4361 both will mute all outputs if any clock ratio
 * is invalid.
 *
 * CMI8788:
 *
 *   SPI 0 -> CS4245
 *
 *   Playback:
 *   I²S 1 -> CS4245
 *   I²S 2 -> CS4361 (center/LFE)
 *   I²S 3 -> CS4361 (surround)
 *   I²S 4 -> CS4361 (front)
 *   Capture:
 *   I²S ADC 1 <- CS4245
 *
 *   GPIO 3 <- ?
 *   GPIO 4 <- headphone detect
 *   GPIO 5 -> enable ADC analog circuit for the left channel
 *   GPIO 6 -> enable ADC analog circuit for the right channel
 *   GPIO 7 -> switch green rear output jack between CS4245 and and the first
 *             channel of CS4361 (mechanical relay)
 *   GPIO 8 -> enable output to speakers
 *
 * CS4245:
 *
 *   input 0 <- mic
 *   input 1 <- aux
 *   input 2 <- front mic
 *   input 4 <- line
 *   DAC out -> headphones
 *   aux out -> front panel headphones
 */

#include <linux/pci.h>
#include <linux/delay.h>
#include <sound/control.h>
#include <sound/core.h>
#include <sound/info.h>
#include <sound/pcm.h>
#include <sound/tlv.h>
#include "oxygen.h"
#include "xonar_dg.h"
#include "cs4245.h"

int cs4245_write_spi(struct oxygen *chip, u8 reg)
{
	struct dg *data = chip->model_data;
	unsigned int packet;

	packet = reg << 8;
	packet |= (CS4245_SPI_ADDRESS | CS4245_SPI_WRITE) << 16;
	packet |= data->cs4245_shadow[reg];

	return oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
				OXYGEN_SPI_DATA_LENGTH_3 |
				OXYGEN_SPI_CLOCK_1280 |
				(0 << OXYGEN_SPI_CODEC_SHIFT) |
				OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
				packet);
}

int cs4245_read_spi(struct oxygen *chip, u8 addr)
{
	struct dg *data = chip->model_data;
	int ret;

	ret = oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
		OXYGEN_SPI_DATA_LENGTH_2 |
		OXYGEN_SPI_CEN_LATCH_CLOCK_HI |
		OXYGEN_SPI_CLOCK_1280 | (0 << OXYGEN_SPI_CODEC_SHIFT),
		((CS4245_SPI_ADDRESS | CS4245_SPI_WRITE) << 8) | addr);
	if (ret < 0)
		return ret;

	ret = oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
		OXYGEN_SPI_DATA_LENGTH_2 |
		OXYGEN_SPI_CEN_LATCH_CLOCK_HI |
		OXYGEN_SPI_CLOCK_1280 | (0 << OXYGEN_SPI_CODEC_SHIFT),
		(CS4245_SPI_ADDRESS | CS4245_SPI_READ) << 8);
	if (ret < 0)
		return ret;

	data->cs4245_shadow[addr] = oxygen_read8(chip, OXYGEN_SPI_DATA1);

	return 0;
}

int cs4245_shadow_control(struct oxygen *chip, enum cs4245_shadow_operation op)
{
	struct dg *data = chip->model_data;
	unsigned char addr;
	int ret;

	for (addr = 1; addr < ARRAY_SIZE(data->cs4245_shadow); addr++) {
		ret = (op == CS4245_SAVE_TO_SHADOW ?
			cs4245_read_spi(chip, addr) :
			cs4245_write_spi(chip, addr));
		if (ret < 0)
			return ret;
	}
	return 0;
}

static void cs4245_write(struct oxygen *chip, unsigned int reg, u8 value)
{
	struct dg *data = chip->model_data;

	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
			 OXYGEN_SPI_DATA_LENGTH_3 |
			 OXYGEN_SPI_CLOCK_1280 |
			 (0 << OXYGEN_SPI_CODEC_SHIFT) |
			 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
			 CS4245_SPI_ADDRESS_S |
			 CS4245_SPI_WRITE_S |
			 (reg << 8) | value);
	data->cs4245_shadow[reg] = value;
}

static void cs4245_write_cached(struct oxygen *chip, unsigned int reg, u8 value)
{
	struct dg *data = chip->model_data;

	if (value != data->cs4245_shadow[reg])
		cs4245_write(chip, reg, value);
}

static void cs4245_init(struct oxygen *chip)
{
	struct dg *data = chip->model_data;

	/* save the initial state: codec version, registers */
	cs4245_shadow_control(chip, CS4245_SAVE_TO_SHADOW);

	/*
	 * Power up the CODEC internals, enable soft ramp & zero cross, work in
	 * async. mode, enable aux output from DAC. Invert DAC output as in the
	 * Windows driver.
	 */
	data->cs4245_shadow[CS4245_POWER_CTRL] = 0;
	data->cs4245_shadow[CS4245_SIGNAL_SEL] =
		CS4245_A_OUT_SEL_DAC | CS4245_ASYNCH;
	data->cs4245_shadow[CS4245_DAC_CTRL_1] =
		CS4245_DAC_FM_SINGLE | CS4245_DAC_DIF_LJUST;
	data->cs4245_shadow[CS4245_DAC_CTRL_2] =
		CS4245_DAC_SOFT | CS4245_DAC_ZERO | CS4245_INVERT_DAC;
	data->cs4245_shadow[CS4245_ADC_CTRL] =
		CS4245_ADC_FM_SINGLE | CS4245_ADC_DIF_LJUST;
	data->cs4245_shadow[CS4245_ANALOG_IN] =
		CS4245_PGA_SOFT | CS4245_PGA_ZERO;
	data->cs4245_shadow[CS4245_PGA_B_CTRL] = 0;
	data->cs4245_shadow[CS4245_PGA_A_CTRL] = 0;
	data->cs4245_shadow[CS4245_DAC_A_CTRL] = 4;
	data->cs4245_shadow[CS4245_DAC_B_CTRL] = 4;

	cs4245_shadow_control(chip, CS4245_LOAD_FROM_SHADOW);
	snd_component_add(chip->card, "CS4245");
}

static void dg_init(struct oxygen *chip)
{
	struct dg *data = chip->model_data;

	data->output_sel = 0;
	data->input_sel = 3;
	data->hp_vol_att = 2 * 16;

	cs4245_init(chip);
	oxygen_write16(chip, OXYGEN_GPIO_CONTROL,
		       GPIO_OUTPUT_ENABLE | GPIO_HP_REAR | GPIO_INPUT_ROUTE);
	oxygen_write16(chip, OXYGEN_GPIO_DATA, GPIO_INPUT_ROUTE);
	msleep(2500); /* anti-pop delay */
	oxygen_write16(chip, OXYGEN_GPIO_DATA,
		       GPIO_OUTPUT_ENABLE | GPIO_INPUT_ROUTE);
}

static void dg_cleanup(struct oxygen *chip)
{
	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
}

static void dg_suspend(struct oxygen *chip)
{
	dg_cleanup(chip);
}

static void dg_resume(struct oxygen *chip)
{
	cs4245_shadow_control(chip, CS4245_LOAD_FROM_SHADOW);
	msleep(2500);
	oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
}

static void set_cs4245_dac_params(struct oxygen *chip,
				  struct snd_pcm_hw_params *params)
{
	struct dg *data = chip->model_data;
	unsigned char dac_ctrl;
	unsigned char mclk_freq;

	dac_ctrl = data->cs4245_shadow[CS4245_DAC_CTRL_1] & ~CS4245_DAC_FM_MASK;
	mclk_freq = data->cs4245_shadow[CS4245_MCLK_FREQ] & ~CS4245_MCLK1_MASK;
	if (params_rate(params) <= 50000) {
		dac_ctrl |= CS4245_DAC_FM_SINGLE;
		mclk_freq |= CS4245_MCLK_1 << CS4245_MCLK1_SHIFT;
	} else if (params_rate(params) <= 100000) {
		dac_ctrl |= CS4245_DAC_FM_DOUBLE;
		mclk_freq |= CS4245_MCLK_1 << CS4245_MCLK1_SHIFT;
	} else {
		dac_ctrl |= CS4245_DAC_FM_QUAD;
		mclk_freq |= CS4245_MCLK_2 << CS4245_MCLK1_SHIFT;
	}
	data->cs4245_shadow[CS4245_DAC_CTRL_1] = dac_ctrl;
	data->cs4245_shadow[CS4245_MCLK_FREQ] = mclk_freq;
	cs4245_write_spi(chip, CS4245_DAC_CTRL_1);
	cs4245_write_spi(chip, CS4245_MCLK_FREQ);
}

static void set_cs4245_adc_params(struct oxygen *chip,
				  struct snd_pcm_hw_params *params)
{
	struct dg *data = chip->model_data;
	unsigned char adc_ctrl;
	unsigned char mclk_freq;

	adc_ctrl = data->cs4245_shadow[CS4245_ADC_CTRL] & ~CS4245_ADC_FM_MASK;
	mclk_freq = data->cs4245_shadow[CS4245_MCLK_FREQ] & ~CS4245_MCLK2_MASK;
	if (params_rate(params) <= 50000) {
		adc_ctrl |= CS4245_ADC_FM_SINGLE;
		mclk_freq |= CS4245_MCLK_1 << CS4245_MCLK2_SHIFT;
	} else if (params_rate(params) <= 100000) {
		adc_ctrl |= CS4245_ADC_FM_DOUBLE;
		mclk_freq |= CS4245_MCLK_1 << CS4245_MCLK2_SHIFT;
	} else {
		adc_ctrl |= CS4245_ADC_FM_QUAD;
		mclk_freq |= CS4245_MCLK_2 << CS4245_MCLK2_SHIFT;
	}
	data->cs4245_shadow[CS4245_ADC_CTRL] = adc_ctrl;
	data->cs4245_shadow[CS4245_MCLK_FREQ] = mclk_freq;
	cs4245_write_spi(chip, CS4245_ADC_CTRL);
	cs4245_write_spi(chip, CS4245_MCLK_FREQ);
}

static unsigned int adjust_dg_dac_routing(struct oxygen *chip,
					  unsigned int play_routing)
{
	struct dg *data = chip->model_data;
	unsigned int routing = 0;

	switch (data->pcm_output) {
	case PLAYBACK_DST_HP:
	case PLAYBACK_DST_HP_FP:
		oxygen_write8_masked(chip, OXYGEN_PLAY_ROUTING,
			OXYGEN_PLAY_MUTE23 | OXYGEN_PLAY_MUTE45 |
			OXYGEN_PLAY_MUTE67, OXYGEN_PLAY_MUTE_MASK);
		break;
	case PLAYBACK_DST_MULTICH:
		routing = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
			  (2 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
			  (1 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
			  (0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
		oxygen_write8_masked(chip, OXYGEN_PLAY_ROUTING,
			OXYGEN_PLAY_MUTE01, OXYGEN_PLAY_MUTE_MASK);
		break;
	}
	return routing;
}

static int output_switch_info(struct snd_kcontrol *ctl,
			      struct snd_ctl_elem_info *info)
{
	static const char *const names[3] = {
		"Speakers", "Headphones", "FP Headphones"
	};

	return snd_ctl_enum_info(info, 1, 3, names);
}

static int output_switch_get(struct snd_kcontrol *ctl,
			     struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;

	mutex_lock(&chip->mutex);
	value->value.enumerated.item[0] = data->output_sel;
	mutex_unlock(&chip->mutex);
	return 0;
}

static int output_switch_put(struct snd_kcontrol *ctl,
			     struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;
	u8 reg;
	int changed;

	if (value->value.enumerated.item[0] > 2)
		return -EINVAL;

	mutex_lock(&chip->mutex);
	changed = value->value.enumerated.item[0] != data->output_sel;
	if (changed) {
		data->output_sel = value->value.enumerated.item[0];

		reg = data->cs4245_shadow[CS4245_SIGNAL_SEL] &
						~CS4245_A_OUT_SEL_MASK;
		reg |= data->output_sel == 2 ?
				CS4245_A_OUT_SEL_DAC : CS4245_A_OUT_SEL_HIZ;
		cs4245_write_cached(chip, CS4245_SIGNAL_SEL, reg);

		cs4245_write_cached(chip, CS4245_DAC_A_CTRL,
				    data->output_sel ? data->hp_vol_att : 0);
		cs4245_write_cached(chip, CS4245_DAC_B_CTRL,
				    data->output_sel ? data->hp_vol_att : 0);

		oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
				      data->output_sel == 1 ? GPIO_HP_REAR : 0,
				      GPIO_HP_REAR);
	}
	mutex_unlock(&chip->mutex);
	return changed;
}

static int hp_volume_offset_info(struct snd_kcontrol *ctl,
				 struct snd_ctl_elem_info *info)
{
	static const char *const names[3] = {
		"< 64 ohms", "64-150 ohms", "150-300 ohms"
	};

	return snd_ctl_enum_info(info, 1, 3, names);
}

static int hp_volume_offset_get(struct snd_kcontrol *ctl,
				struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;

	mutex_lock(&chip->mutex);
	if (data->hp_vol_att > 2 * 7)
		value->value.enumerated.item[0] = 0;
	else if (data->hp_vol_att > 0)
		value->value.enumerated.item[0] = 1;
	else
		value->value.enumerated.item[0] = 2;
	mutex_unlock(&chip->mutex);
	return 0;
}

static int hp_volume_offset_put(struct snd_kcontrol *ctl,
				struct snd_ctl_elem_value *value)
{
	static const s8 atts[3] = { 2 * 16, 2 * 7, 0 };
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;
	s8 att;
	int changed;

	if (value->value.enumerated.item[0] > 2)
		return -EINVAL;
	att = atts[value->value.enumerated.item[0]];
	mutex_lock(&chip->mutex);
	changed = att != data->hp_vol_att;
	if (changed) {
		data->hp_vol_att = att;
		if (data->output_sel) {
			cs4245_write_cached(chip, CS4245_DAC_A_CTRL, att);
			cs4245_write_cached(chip, CS4245_DAC_B_CTRL, att);
		}
	}
	mutex_unlock(&chip->mutex);
	return changed;
}

static int input_vol_info(struct snd_kcontrol *ctl,
			  struct snd_ctl_elem_info *info)
{
	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
	info->count = 2;
	info->value.integer.min = 2 * -12;
	info->value.integer.max = 2 * 12;
	return 0;
}

static int input_vol_get(struct snd_kcontrol *ctl,
			 struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;
	unsigned int idx = ctl->private_value;

	mutex_lock(&chip->mutex);
	value->value.integer.value[0] = data->input_vol[idx][0];
	value->value.integer.value[1] = data->input_vol[idx][1];
	mutex_unlock(&chip->mutex);
	return 0;
}

static int input_vol_put(struct snd_kcontrol *ctl,
			 struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;
	unsigned int idx = ctl->private_value;
	int changed = 0;

	if (value->value.integer.value[0] < 2 * -12 ||
	    value->value.integer.value[0] > 2 * 12 ||
	    value->value.integer.value[1] < 2 * -12 ||
	    value->value.integer.value[1] > 2 * 12)
		return -EINVAL;
	mutex_lock(&chip->mutex);
	changed = data->input_vol[idx][0] != value->value.integer.value[0] ||
		  data->input_vol[idx][1] != value->value.integer.value[1];
	if (changed) {
		data->input_vol[idx][0] = value->value.integer.value[0];
		data->input_vol[idx][1] = value->value.integer.value[1];
		if (idx == data->input_sel) {
			cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
					    data->input_vol[idx][0]);
			cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
					    data->input_vol[idx][1]);
		}
	}
	mutex_unlock(&chip->mutex);
	return changed;
}

static DECLARE_TLV_DB_SCALE(cs4245_pga_db_scale, -1200, 50, 0);

static int input_sel_info(struct snd_kcontrol *ctl,
			  struct snd_ctl_elem_info *info)
{
	static const char *const names[4] = {
		"Mic", "Aux", "Front Mic", "Line"
	};

	return snd_ctl_enum_info(info, 1, 4, names);
}

static int input_sel_get(struct snd_kcontrol *ctl,
			 struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;

	mutex_lock(&chip->mutex);
	value->value.enumerated.item[0] = data->input_sel;
	mutex_unlock(&chip->mutex);
	return 0;
}

static int input_sel_put(struct snd_kcontrol *ctl,
			 struct snd_ctl_elem_value *value)
{
	static const u8 sel_values[4] = {
		CS4245_SEL_MIC,
		CS4245_SEL_INPUT_1,
		CS4245_SEL_INPUT_2,
		CS4245_SEL_INPUT_4
	};
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;
	int changed;

	if (value->value.enumerated.item[0] > 3)
		return -EINVAL;

	mutex_lock(&chip->mutex);
	changed = value->value.enumerated.item[0] != data->input_sel;
	if (changed) {
		data->input_sel = value->value.enumerated.item[0];

		cs4245_write(chip, CS4245_ANALOG_IN,
			     (data->cs4245_shadow[CS4245_ANALOG_IN] &
							~CS4245_SEL_MASK) |
			     sel_values[data->input_sel]);

		cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
				    data->input_vol[data->input_sel][0]);
		cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
				    data->input_vol[data->input_sel][1]);

		oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
				      data->input_sel ? 0 : GPIO_INPUT_ROUTE,
				      GPIO_INPUT_ROUTE);
	}
	mutex_unlock(&chip->mutex);
	return changed;
}

static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
{
	static const char *const names[2] = { "Active", "Frozen" };

	return snd_ctl_enum_info(info, 1, 2, names);
}

static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;

	value->value.enumerated.item[0] =
		!!(data->cs4245_shadow[CS4245_ADC_CTRL] & CS4245_HPF_FREEZE);
	return 0;
}

static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
{
	struct oxygen *chip = ctl->private_data;
	struct dg *data = chip->model_data;
	u8 reg;
	int changed;

	mutex_lock(&chip->mutex);
	reg = data->cs4245_shadow[CS4245_ADC_CTRL] & ~CS4245_HPF_FREEZE;
	if (value->value.enumerated.item[0])
		reg |= CS4245_HPF_FREEZE;
	changed = reg != data->cs4245_shadow[CS4245_ADC_CTRL];
	if (changed)
		cs4245_write(chip, CS4245_ADC_CTRL, reg);
	mutex_unlock(&chip->mutex);
	return changed;
}

#define INPUT_VOLUME(xname, index) { \
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
	.name = xname, \
	.info = input_vol_info, \
	.get = input_vol_get, \
	.put = input_vol_put, \
	.tlv = { .p = cs4245_pga_db_scale }, \
	.private_value = index, \
}
static const struct snd_kcontrol_new dg_controls[] = {
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Analog Output Playback Enum",
		.info = output_switch_info,
		.get = output_switch_get,
		.put = output_switch_put,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Headphones Impedance Playback Enum",
		.info = hp_volume_offset_info,
		.get = hp_volume_offset_get,
		.put = hp_volume_offset_put,
	},
	INPUT_VOLUME("Mic Capture Volume", 0),
	INPUT_VOLUME("Aux Capture Volume", 1),
	INPUT_VOLUME("Front Mic Capture Volume", 2),
	INPUT_VOLUME("Line Capture Volume", 3),
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "Capture Source",
		.info = input_sel_info,
		.get = input_sel_get,
		.put = input_sel_put,
	},
	{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "ADC High-pass Filter Capture Enum",
		.info = hpf_info,
		.get = hpf_get,
		.put = hpf_put,
	},
};

static int dg_control_filter(struct snd_kcontrol_new *template)
{
	if (!strncmp(template->name, "Master Playback ", 16))
		return 1;
	return 0;
}

static int dg_mixer_init(struct oxygen *chip)
{
	unsigned int i;
	int err;

	for (i = 0; i < ARRAY_SIZE(dg_controls); ++i) {
		err = snd_ctl_add(chip->card,
				  snd_ctl_new1(&dg_controls[i], chip));
		if (err < 0)
			return err;
	}
	return 0;
}

static void dump_cs4245_registers(struct oxygen *chip,
				  struct snd_info_buffer *buffer)
{
	struct dg *data = chip->model_data;
	unsigned int i;

	snd_iprintf(buffer, "\nCS4245:");
	for (i = 1; i <= 0x10; ++i)
		snd_iprintf(buffer, " %02x", data->cs4245_shadow[i]);
	snd_iprintf(buffer, "\n");
}

struct oxygen_model model_xonar_dg = {
	.longname = "C-Media Oxygen HD Audio",
	.chip = "CMI8786",
	.init = dg_init,
	.control_filter = dg_control_filter,
	.mixer_init = dg_mixer_init,
	.cleanup = dg_cleanup,
	.suspend = dg_suspend,
	.resume = dg_resume,
	.set_dac_params = set_cs4245_dac_params,
	.set_adc_params = set_cs4245_adc_params,
	.adjust_dac_routing = adjust_dg_dac_routing,
	.dump_registers = dump_cs4245_registers,
	.model_data_size = sizeof(struct dg),
	.device_config = PLAYBACK_0_TO_I2S |
			 PLAYBACK_1_TO_SPDIF |
			 CAPTURE_0_FROM_I2S_2 |
			 CAPTURE_1_FROM_SPDIF,
	.dac_channels_pcm = 6,
	.dac_channels_mixer = 0,
	.function_flags = OXYGEN_FUNCTION_SPI,
	.dac_mclks = OXYGEN_MCLKS(256, 128, 128),
	.adc_mclks = OXYGEN_MCLKS(256, 128, 128),
	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};