xref: /openbmc/linux/sound/pci/oxygen/oxygen_mixer.c (revision 293d5b43)
1 /*
2  * C-Media CMI8788 driver - mixer code
3  *
4  * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
5  *
6  *
7  *  This driver is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License, version 2.
9  *
10  *  This driver is distributed in the hope that it will be useful,
11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  *  GNU General Public License for more details.
14  *
15  *  You should have received a copy of the GNU General Public License
16  *  along with this driver; if not, write to the Free Software
17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
18  */
19 
20 #include <linux/mutex.h>
21 #include <sound/ac97_codec.h>
22 #include <sound/asoundef.h>
23 #include <sound/control.h>
24 #include <sound/tlv.h>
25 #include "oxygen.h"
26 #include "cm9780.h"
27 
28 static int dac_volume_info(struct snd_kcontrol *ctl,
29 			   struct snd_ctl_elem_info *info)
30 {
31 	struct oxygen *chip = ctl->private_data;
32 
33 	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
34 	info->count = chip->model.dac_channels_mixer;
35 	info->value.integer.min = chip->model.dac_volume_min;
36 	info->value.integer.max = chip->model.dac_volume_max;
37 	return 0;
38 }
39 
40 static int dac_volume_get(struct snd_kcontrol *ctl,
41 			  struct snd_ctl_elem_value *value)
42 {
43 	struct oxygen *chip = ctl->private_data;
44 	unsigned int i;
45 
46 	mutex_lock(&chip->mutex);
47 	for (i = 0; i < chip->model.dac_channels_mixer; ++i)
48 		value->value.integer.value[i] = chip->dac_volume[i];
49 	mutex_unlock(&chip->mutex);
50 	return 0;
51 }
52 
53 static int dac_volume_put(struct snd_kcontrol *ctl,
54 			  struct snd_ctl_elem_value *value)
55 {
56 	struct oxygen *chip = ctl->private_data;
57 	unsigned int i;
58 	int changed;
59 
60 	changed = 0;
61 	mutex_lock(&chip->mutex);
62 	for (i = 0; i < chip->model.dac_channels_mixer; ++i)
63 		if (value->value.integer.value[i] != chip->dac_volume[i]) {
64 			chip->dac_volume[i] = value->value.integer.value[i];
65 			changed = 1;
66 		}
67 	if (changed)
68 		chip->model.update_dac_volume(chip);
69 	mutex_unlock(&chip->mutex);
70 	return changed;
71 }
72 
73 static int dac_mute_get(struct snd_kcontrol *ctl,
74 			struct snd_ctl_elem_value *value)
75 {
76 	struct oxygen *chip = ctl->private_data;
77 
78 	mutex_lock(&chip->mutex);
79 	value->value.integer.value[0] = !chip->dac_mute;
80 	mutex_unlock(&chip->mutex);
81 	return 0;
82 }
83 
84 static int dac_mute_put(struct snd_kcontrol *ctl,
85 			  struct snd_ctl_elem_value *value)
86 {
87 	struct oxygen *chip = ctl->private_data;
88 	int changed;
89 
90 	mutex_lock(&chip->mutex);
91 	changed = (!value->value.integer.value[0]) != chip->dac_mute;
92 	if (changed) {
93 		chip->dac_mute = !value->value.integer.value[0];
94 		chip->model.update_dac_mute(chip);
95 	}
96 	mutex_unlock(&chip->mutex);
97 	return changed;
98 }
99 
100 static unsigned int upmix_item_count(struct oxygen *chip)
101 {
102 	if (chip->model.dac_channels_pcm < 8)
103 		return 2;
104 	else if (chip->model.update_center_lfe_mix)
105 		return 5;
106 	else
107 		return 3;
108 }
109 
110 static int upmix_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
111 {
112 	static const char *const names[5] = {
113 		"Front",
114 		"Front+Surround",
115 		"Front+Surround+Back",
116 		"Front+Surround+Center/LFE",
117 		"Front+Surround+Center/LFE+Back",
118 	};
119 	struct oxygen *chip = ctl->private_data;
120 	unsigned int count = upmix_item_count(chip);
121 
122 	return snd_ctl_enum_info(info, 1, count, names);
123 }
124 
125 static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
126 {
127 	struct oxygen *chip = ctl->private_data;
128 
129 	mutex_lock(&chip->mutex);
130 	value->value.enumerated.item[0] = chip->dac_routing;
131 	mutex_unlock(&chip->mutex);
132 	return 0;
133 }
134 
135 void oxygen_update_dac_routing(struct oxygen *chip)
136 {
137 	/* DAC 0: front, DAC 1: surround, DAC 2: center/LFE, DAC 3: back */
138 	static const unsigned int reg_values[5] = {
139 		/* stereo -> front */
140 		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
141 		(1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
142 		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
143 		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
144 		/* stereo -> front+surround */
145 		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
146 		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
147 		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
148 		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
149 		/* stereo -> front+surround+back */
150 		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
151 		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
152 		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
153 		(0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
154 		/* stereo -> front+surround+center/LFE */
155 		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
156 		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
157 		(0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
158 		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
159 		/* stereo -> front+surround+center/LFE+back */
160 		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
161 		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
162 		(0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
163 		(0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
164 	};
165 	u8 channels;
166 	unsigned int reg_value;
167 
168 	channels = oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
169 		OXYGEN_PLAY_CHANNELS_MASK;
170 	if (channels == OXYGEN_PLAY_CHANNELS_2)
171 		reg_value = reg_values[chip->dac_routing];
172 	else if (channels == OXYGEN_PLAY_CHANNELS_8)
173 		/* in 7.1 mode, "rear" channels go to the "back" jack */
174 		reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
175 			    (3 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
176 			    (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
177 			    (1 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
178 	else
179 		reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
180 			    (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
181 			    (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
182 			    (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
183 	if (chip->model.adjust_dac_routing)
184 		reg_value = chip->model.adjust_dac_routing(chip, reg_value);
185 	oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value,
186 			      OXYGEN_PLAY_DAC0_SOURCE_MASK |
187 			      OXYGEN_PLAY_DAC1_SOURCE_MASK |
188 			      OXYGEN_PLAY_DAC2_SOURCE_MASK |
189 			      OXYGEN_PLAY_DAC3_SOURCE_MASK);
190 	if (chip->model.update_center_lfe_mix)
191 		chip->model.update_center_lfe_mix(chip, chip->dac_routing > 2);
192 }
193 EXPORT_SYMBOL(oxygen_update_dac_routing);
194 
195 static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
196 {
197 	struct oxygen *chip = ctl->private_data;
198 	unsigned int count = upmix_item_count(chip);
199 	int changed;
200 
201 	if (value->value.enumerated.item[0] >= count)
202 		return -EINVAL;
203 	mutex_lock(&chip->mutex);
204 	changed = value->value.enumerated.item[0] != chip->dac_routing;
205 	if (changed) {
206 		chip->dac_routing = value->value.enumerated.item[0];
207 		oxygen_update_dac_routing(chip);
208 	}
209 	mutex_unlock(&chip->mutex);
210 	return changed;
211 }
212 
213 static int spdif_switch_get(struct snd_kcontrol *ctl,
214 			    struct snd_ctl_elem_value *value)
215 {
216 	struct oxygen *chip = ctl->private_data;
217 
218 	mutex_lock(&chip->mutex);
219 	value->value.integer.value[0] = chip->spdif_playback_enable;
220 	mutex_unlock(&chip->mutex);
221 	return 0;
222 }
223 
224 static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
225 {
226 	switch (oxygen_rate) {
227 	case OXYGEN_RATE_32000:
228 		return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
229 	case OXYGEN_RATE_44100:
230 		return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
231 	default: /* OXYGEN_RATE_48000 */
232 		return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
233 	case OXYGEN_RATE_64000:
234 		return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
235 	case OXYGEN_RATE_88200:
236 		return IEC958_AES3_CON_FS_88200 << OXYGEN_SPDIF_CS_RATE_SHIFT;
237 	case OXYGEN_RATE_96000:
238 		return IEC958_AES3_CON_FS_96000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
239 	case OXYGEN_RATE_176400:
240 		return IEC958_AES3_CON_FS_176400 << OXYGEN_SPDIF_CS_RATE_SHIFT;
241 	case OXYGEN_RATE_192000:
242 		return IEC958_AES3_CON_FS_192000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
243 	}
244 }
245 
246 void oxygen_update_spdif_source(struct oxygen *chip)
247 {
248 	u32 old_control, new_control;
249 	u16 old_routing, new_routing;
250 	unsigned int oxygen_rate;
251 
252 	old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
253 	old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
254 	if (chip->pcm_active & (1 << PCM_SPDIF)) {
255 		new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
256 		new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
257 			| OXYGEN_PLAY_SPDIF_SPDIF;
258 		oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
259 			& OXYGEN_I2S_RATE_MASK;
260 		/* S/PDIF rate was already set by the caller */
261 	} else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
262 		   chip->spdif_playback_enable) {
263 		new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
264 			| OXYGEN_PLAY_SPDIF_MULTICH_01;
265 		oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
266 			& OXYGEN_I2S_RATE_MASK;
267 		new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
268 			(oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
269 			OXYGEN_SPDIF_OUT_ENABLE;
270 	} else {
271 		new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
272 		new_routing = old_routing;
273 		oxygen_rate = OXYGEN_RATE_44100;
274 	}
275 	if (old_routing != new_routing) {
276 		oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
277 			       new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
278 		oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
279 	}
280 	if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
281 		oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
282 			       oxygen_spdif_rate(oxygen_rate) |
283 			       ((chip->pcm_active & (1 << PCM_SPDIF)) ?
284 				chip->spdif_pcm_bits : chip->spdif_bits));
285 	oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
286 }
287 
288 static int spdif_switch_put(struct snd_kcontrol *ctl,
289 			    struct snd_ctl_elem_value *value)
290 {
291 	struct oxygen *chip = ctl->private_data;
292 	int changed;
293 
294 	mutex_lock(&chip->mutex);
295 	changed = value->value.integer.value[0] != chip->spdif_playback_enable;
296 	if (changed) {
297 		chip->spdif_playback_enable = !!value->value.integer.value[0];
298 		spin_lock_irq(&chip->reg_lock);
299 		oxygen_update_spdif_source(chip);
300 		spin_unlock_irq(&chip->reg_lock);
301 	}
302 	mutex_unlock(&chip->mutex);
303 	return changed;
304 }
305 
306 static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
307 {
308 	info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
309 	info->count = 1;
310 	return 0;
311 }
312 
313 static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
314 {
315 	value->value.iec958.status[0] =
316 		bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
317 			OXYGEN_SPDIF_PREEMPHASIS);
318 	value->value.iec958.status[1] = /* category and original */
319 		bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
320 }
321 
322 static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
323 {
324 	u32 bits;
325 
326 	bits = value->value.iec958.status[0] &
327 		(OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
328 		 OXYGEN_SPDIF_PREEMPHASIS);
329 	bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
330 	if (bits & OXYGEN_SPDIF_NONAUDIO)
331 		bits |= OXYGEN_SPDIF_V;
332 	return bits;
333 }
334 
335 static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
336 {
337 	oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
338 			      OXYGEN_SPDIF_NONAUDIO |
339 			      OXYGEN_SPDIF_C |
340 			      OXYGEN_SPDIF_PREEMPHASIS |
341 			      OXYGEN_SPDIF_CATEGORY_MASK |
342 			      OXYGEN_SPDIF_ORIGINAL |
343 			      OXYGEN_SPDIF_V);
344 }
345 
346 static int spdif_default_get(struct snd_kcontrol *ctl,
347 			     struct snd_ctl_elem_value *value)
348 {
349 	struct oxygen *chip = ctl->private_data;
350 
351 	mutex_lock(&chip->mutex);
352 	oxygen_to_iec958(chip->spdif_bits, value);
353 	mutex_unlock(&chip->mutex);
354 	return 0;
355 }
356 
357 static int spdif_default_put(struct snd_kcontrol *ctl,
358 			     struct snd_ctl_elem_value *value)
359 {
360 	struct oxygen *chip = ctl->private_data;
361 	u32 new_bits;
362 	int changed;
363 
364 	new_bits = iec958_to_oxygen(value);
365 	mutex_lock(&chip->mutex);
366 	changed = new_bits != chip->spdif_bits;
367 	if (changed) {
368 		chip->spdif_bits = new_bits;
369 		if (!(chip->pcm_active & (1 << PCM_SPDIF)))
370 			write_spdif_bits(chip, new_bits);
371 	}
372 	mutex_unlock(&chip->mutex);
373 	return changed;
374 }
375 
376 static int spdif_mask_get(struct snd_kcontrol *ctl,
377 			  struct snd_ctl_elem_value *value)
378 {
379 	value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
380 		IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
381 	value->value.iec958.status[1] =
382 		IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
383 	return 0;
384 }
385 
386 static int spdif_pcm_get(struct snd_kcontrol *ctl,
387 			 struct snd_ctl_elem_value *value)
388 {
389 	struct oxygen *chip = ctl->private_data;
390 
391 	mutex_lock(&chip->mutex);
392 	oxygen_to_iec958(chip->spdif_pcm_bits, value);
393 	mutex_unlock(&chip->mutex);
394 	return 0;
395 }
396 
397 static int spdif_pcm_put(struct snd_kcontrol *ctl,
398 			 struct snd_ctl_elem_value *value)
399 {
400 	struct oxygen *chip = ctl->private_data;
401 	u32 new_bits;
402 	int changed;
403 
404 	new_bits = iec958_to_oxygen(value);
405 	mutex_lock(&chip->mutex);
406 	changed = new_bits != chip->spdif_pcm_bits;
407 	if (changed) {
408 		chip->spdif_pcm_bits = new_bits;
409 		if (chip->pcm_active & (1 << PCM_SPDIF))
410 			write_spdif_bits(chip, new_bits);
411 	}
412 	mutex_unlock(&chip->mutex);
413 	return changed;
414 }
415 
416 static int spdif_input_mask_get(struct snd_kcontrol *ctl,
417 				struct snd_ctl_elem_value *value)
418 {
419 	value->value.iec958.status[0] = 0xff;
420 	value->value.iec958.status[1] = 0xff;
421 	value->value.iec958.status[2] = 0xff;
422 	value->value.iec958.status[3] = 0xff;
423 	return 0;
424 }
425 
426 static int spdif_input_default_get(struct snd_kcontrol *ctl,
427 				   struct snd_ctl_elem_value *value)
428 {
429 	struct oxygen *chip = ctl->private_data;
430 	u32 bits;
431 
432 	bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
433 	value->value.iec958.status[0] = bits;
434 	value->value.iec958.status[1] = bits >> 8;
435 	value->value.iec958.status[2] = bits >> 16;
436 	value->value.iec958.status[3] = bits >> 24;
437 	return 0;
438 }
439 
440 static int spdif_bit_switch_get(struct snd_kcontrol *ctl,
441 				struct snd_ctl_elem_value *value)
442 {
443 	struct oxygen *chip = ctl->private_data;
444 	u32 bit = ctl->private_value;
445 
446 	value->value.integer.value[0] =
447 		!!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL) & bit);
448 	return 0;
449 }
450 
451 static int spdif_bit_switch_put(struct snd_kcontrol *ctl,
452 				struct snd_ctl_elem_value *value)
453 {
454 	struct oxygen *chip = ctl->private_data;
455 	u32 bit = ctl->private_value;
456 	u32 oldreg, newreg;
457 	int changed;
458 
459 	spin_lock_irq(&chip->reg_lock);
460 	oldreg = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
461 	if (value->value.integer.value[0])
462 		newreg = oldreg | bit;
463 	else
464 		newreg = oldreg & ~bit;
465 	changed = newreg != oldreg;
466 	if (changed)
467 		oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, newreg);
468 	spin_unlock_irq(&chip->reg_lock);
469 	return changed;
470 }
471 
472 static int monitor_volume_info(struct snd_kcontrol *ctl,
473 			       struct snd_ctl_elem_info *info)
474 {
475 	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
476 	info->count = 1;
477 	info->value.integer.min = 0;
478 	info->value.integer.max = 1;
479 	return 0;
480 }
481 
482 static int monitor_get(struct snd_kcontrol *ctl,
483 		       struct snd_ctl_elem_value *value)
484 {
485 	struct oxygen *chip = ctl->private_data;
486 	u8 bit = ctl->private_value;
487 	int invert = ctl->private_value & (1 << 8);
488 
489 	value->value.integer.value[0] =
490 		!!invert ^ !!(oxygen_read8(chip, OXYGEN_ADC_MONITOR) & bit);
491 	return 0;
492 }
493 
494 static int monitor_put(struct snd_kcontrol *ctl,
495 		       struct snd_ctl_elem_value *value)
496 {
497 	struct oxygen *chip = ctl->private_data;
498 	u8 bit = ctl->private_value;
499 	int invert = ctl->private_value & (1 << 8);
500 	u8 oldreg, newreg;
501 	int changed;
502 
503 	spin_lock_irq(&chip->reg_lock);
504 	oldreg = oxygen_read8(chip, OXYGEN_ADC_MONITOR);
505 	if ((!!value->value.integer.value[0] ^ !!invert) != 0)
506 		newreg = oldreg | bit;
507 	else
508 		newreg = oldreg & ~bit;
509 	changed = newreg != oldreg;
510 	if (changed)
511 		oxygen_write8(chip, OXYGEN_ADC_MONITOR, newreg);
512 	spin_unlock_irq(&chip->reg_lock);
513 	return changed;
514 }
515 
516 static int ac97_switch_get(struct snd_kcontrol *ctl,
517 			   struct snd_ctl_elem_value *value)
518 {
519 	struct oxygen *chip = ctl->private_data;
520 	unsigned int codec = (ctl->private_value >> 24) & 1;
521 	unsigned int index = ctl->private_value & 0xff;
522 	unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
523 	int invert = ctl->private_value & (1 << 16);
524 	u16 reg;
525 
526 	mutex_lock(&chip->mutex);
527 	reg = oxygen_read_ac97(chip, codec, index);
528 	mutex_unlock(&chip->mutex);
529 	if (!(reg & (1 << bitnr)) ^ !invert)
530 		value->value.integer.value[0] = 1;
531 	else
532 		value->value.integer.value[0] = 0;
533 	return 0;
534 }
535 
536 static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
537 {
538 	unsigned int priv_idx;
539 	u16 value;
540 
541 	if (!chip->controls[control])
542 		return;
543 	priv_idx = chip->controls[control]->private_value & 0xff;
544 	value = oxygen_read_ac97(chip, 0, priv_idx);
545 	if (!(value & 0x8000)) {
546 		oxygen_write_ac97(chip, 0, priv_idx, value | 0x8000);
547 		if (chip->model.ac97_switch)
548 			chip->model.ac97_switch(chip, priv_idx, 0x8000);
549 		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
550 			       &chip->controls[control]->id);
551 	}
552 }
553 
554 static int ac97_switch_put(struct snd_kcontrol *ctl,
555 			   struct snd_ctl_elem_value *value)
556 {
557 	struct oxygen *chip = ctl->private_data;
558 	unsigned int codec = (ctl->private_value >> 24) & 1;
559 	unsigned int index = ctl->private_value & 0xff;
560 	unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
561 	int invert = ctl->private_value & (1 << 16);
562 	u16 oldreg, newreg;
563 	int change;
564 
565 	mutex_lock(&chip->mutex);
566 	oldreg = oxygen_read_ac97(chip, codec, index);
567 	newreg = oldreg;
568 	if (!value->value.integer.value[0] ^ !invert)
569 		newreg |= 1 << bitnr;
570 	else
571 		newreg &= ~(1 << bitnr);
572 	change = newreg != oldreg;
573 	if (change) {
574 		oxygen_write_ac97(chip, codec, index, newreg);
575 		if (codec == 0 && chip->model.ac97_switch)
576 			chip->model.ac97_switch(chip, index, newreg & 0x8000);
577 		if (index == AC97_LINE) {
578 			oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
579 						 newreg & 0x8000 ?
580 						 CM9780_GPO0 : 0, CM9780_GPO0);
581 			if (!(newreg & 0x8000)) {
582 				mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
583 				mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
584 				mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
585 			}
586 		} else if ((index == AC97_MIC || index == AC97_CD ||
587 			    index == AC97_VIDEO || index == AC97_AUX) &&
588 			   bitnr == 15 && !(newreg & 0x8000)) {
589 			mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
590 			oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
591 						 CM9780_GPO0, CM9780_GPO0);
592 		}
593 	}
594 	mutex_unlock(&chip->mutex);
595 	return change;
596 }
597 
598 static int ac97_volume_info(struct snd_kcontrol *ctl,
599 			    struct snd_ctl_elem_info *info)
600 {
601 	int stereo = (ctl->private_value >> 16) & 1;
602 
603 	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
604 	info->count = stereo ? 2 : 1;
605 	info->value.integer.min = 0;
606 	info->value.integer.max = 0x1f;
607 	return 0;
608 }
609 
610 static int ac97_volume_get(struct snd_kcontrol *ctl,
611 			   struct snd_ctl_elem_value *value)
612 {
613 	struct oxygen *chip = ctl->private_data;
614 	unsigned int codec = (ctl->private_value >> 24) & 1;
615 	int stereo = (ctl->private_value >> 16) & 1;
616 	unsigned int index = ctl->private_value & 0xff;
617 	u16 reg;
618 
619 	mutex_lock(&chip->mutex);
620 	reg = oxygen_read_ac97(chip, codec, index);
621 	mutex_unlock(&chip->mutex);
622 	if (!stereo) {
623 		value->value.integer.value[0] = 31 - (reg & 0x1f);
624 	} else {
625 		value->value.integer.value[0] = 31 - ((reg >> 8) & 0x1f);
626 		value->value.integer.value[1] = 31 - (reg & 0x1f);
627 	}
628 	return 0;
629 }
630 
631 static int ac97_volume_put(struct snd_kcontrol *ctl,
632 			   struct snd_ctl_elem_value *value)
633 {
634 	struct oxygen *chip = ctl->private_data;
635 	unsigned int codec = (ctl->private_value >> 24) & 1;
636 	int stereo = (ctl->private_value >> 16) & 1;
637 	unsigned int index = ctl->private_value & 0xff;
638 	u16 oldreg, newreg;
639 	int change;
640 
641 	mutex_lock(&chip->mutex);
642 	oldreg = oxygen_read_ac97(chip, codec, index);
643 	if (!stereo) {
644 		newreg = oldreg & ~0x1f;
645 		newreg |= 31 - (value->value.integer.value[0] & 0x1f);
646 	} else {
647 		newreg = oldreg & ~0x1f1f;
648 		newreg |= (31 - (value->value.integer.value[0] & 0x1f)) << 8;
649 		newreg |= 31 - (value->value.integer.value[1] & 0x1f);
650 	}
651 	change = newreg != oldreg;
652 	if (change)
653 		oxygen_write_ac97(chip, codec, index, newreg);
654 	mutex_unlock(&chip->mutex);
655 	return change;
656 }
657 
658 static int mic_fmic_source_info(struct snd_kcontrol *ctl,
659 			   struct snd_ctl_elem_info *info)
660 {
661 	static const char *const names[] = { "Mic Jack", "Front Panel" };
662 
663 	return snd_ctl_enum_info(info, 1, 2, names);
664 }
665 
666 static int mic_fmic_source_get(struct snd_kcontrol *ctl,
667 			       struct snd_ctl_elem_value *value)
668 {
669 	struct oxygen *chip = ctl->private_data;
670 
671 	mutex_lock(&chip->mutex);
672 	value->value.enumerated.item[0] =
673 		!!(oxygen_read_ac97(chip, 0, CM9780_JACK) & CM9780_FMIC2MIC);
674 	mutex_unlock(&chip->mutex);
675 	return 0;
676 }
677 
678 static int mic_fmic_source_put(struct snd_kcontrol *ctl,
679 			       struct snd_ctl_elem_value *value)
680 {
681 	struct oxygen *chip = ctl->private_data;
682 	u16 oldreg, newreg;
683 	int change;
684 
685 	mutex_lock(&chip->mutex);
686 	oldreg = oxygen_read_ac97(chip, 0, CM9780_JACK);
687 	if (value->value.enumerated.item[0])
688 		newreg = oldreg | CM9780_FMIC2MIC;
689 	else
690 		newreg = oldreg & ~CM9780_FMIC2MIC;
691 	change = newreg != oldreg;
692 	if (change)
693 		oxygen_write_ac97(chip, 0, CM9780_JACK, newreg);
694 	mutex_unlock(&chip->mutex);
695 	return change;
696 }
697 
698 static int ac97_fp_rec_volume_info(struct snd_kcontrol *ctl,
699 				   struct snd_ctl_elem_info *info)
700 {
701 	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
702 	info->count = 2;
703 	info->value.integer.min = 0;
704 	info->value.integer.max = 7;
705 	return 0;
706 }
707 
708 static int ac97_fp_rec_volume_get(struct snd_kcontrol *ctl,
709 				  struct snd_ctl_elem_value *value)
710 {
711 	struct oxygen *chip = ctl->private_data;
712 	u16 reg;
713 
714 	mutex_lock(&chip->mutex);
715 	reg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
716 	mutex_unlock(&chip->mutex);
717 	value->value.integer.value[0] = reg & 7;
718 	value->value.integer.value[1] = (reg >> 8) & 7;
719 	return 0;
720 }
721 
722 static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
723 				  struct snd_ctl_elem_value *value)
724 {
725 	struct oxygen *chip = ctl->private_data;
726 	u16 oldreg, newreg;
727 	int change;
728 
729 	mutex_lock(&chip->mutex);
730 	oldreg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
731 	newreg = oldreg & ~0x0707;
732 	newreg = newreg | (value->value.integer.value[0] & 7);
733 	newreg = newreg | ((value->value.integer.value[0] & 7) << 8);
734 	change = newreg != oldreg;
735 	if (change)
736 		oxygen_write_ac97(chip, 1, AC97_REC_GAIN, newreg);
737 	mutex_unlock(&chip->mutex);
738 	return change;
739 }
740 
741 #define AC97_SWITCH(xname, codec, index, bitnr, invert) { \
742 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
743 		.name = xname, \
744 		.info = snd_ctl_boolean_mono_info, \
745 		.get = ac97_switch_get, \
746 		.put = ac97_switch_put, \
747 		.private_value = ((codec) << 24) | ((invert) << 16) | \
748 				 ((bitnr) << 8) | (index), \
749 	}
750 #define AC97_VOLUME(xname, codec, index, stereo) { \
751 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
752 		.name = xname, \
753 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
754 			  SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
755 		.info = ac97_volume_info, \
756 		.get = ac97_volume_get, \
757 		.put = ac97_volume_put, \
758 		.tlv = { .p = ac97_db_scale, }, \
759 		.private_value = ((codec) << 24) | ((stereo) << 16) | (index), \
760 	}
761 
762 static DECLARE_TLV_DB_SCALE(monitor_db_scale, -600, 600, 0);
763 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
764 static DECLARE_TLV_DB_SCALE(ac97_rec_db_scale, 0, 150, 0);
765 
766 static const struct snd_kcontrol_new controls[] = {
767 	{
768 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
769 		.name = "Master Playback Volume",
770 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
771 		.info = dac_volume_info,
772 		.get = dac_volume_get,
773 		.put = dac_volume_put,
774 	},
775 	{
776 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
777 		.name = "Master Playback Switch",
778 		.info = snd_ctl_boolean_mono_info,
779 		.get = dac_mute_get,
780 		.put = dac_mute_put,
781 	},
782 	{
783 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
784 		.name = "Stereo Upmixing",
785 		.info = upmix_info,
786 		.get = upmix_get,
787 		.put = upmix_put,
788 	},
789 };
790 
791 static const struct snd_kcontrol_new spdif_output_controls[] = {
792 	{
793 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
794 		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
795 		.info = snd_ctl_boolean_mono_info,
796 		.get = spdif_switch_get,
797 		.put = spdif_switch_put,
798 	},
799 	{
800 		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
801 		.device = 1,
802 		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
803 		.info = spdif_info,
804 		.get = spdif_default_get,
805 		.put = spdif_default_put,
806 	},
807 	{
808 		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
809 		.device = 1,
810 		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
811 		.access = SNDRV_CTL_ELEM_ACCESS_READ,
812 		.info = spdif_info,
813 		.get = spdif_mask_get,
814 	},
815 	{
816 		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
817 		.device = 1,
818 		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
819 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
820 			  SNDRV_CTL_ELEM_ACCESS_INACTIVE,
821 		.info = spdif_info,
822 		.get = spdif_pcm_get,
823 		.put = spdif_pcm_put,
824 	},
825 };
826 
827 static const struct snd_kcontrol_new spdif_input_controls[] = {
828 	{
829 		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
830 		.device = 1,
831 		.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
832 		.access = SNDRV_CTL_ELEM_ACCESS_READ,
833 		.info = spdif_info,
834 		.get = spdif_input_mask_get,
835 	},
836 	{
837 		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
838 		.device = 1,
839 		.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
840 		.access = SNDRV_CTL_ELEM_ACCESS_READ,
841 		.info = spdif_info,
842 		.get = spdif_input_default_get,
843 	},
844 	{
845 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
846 		.name = SNDRV_CTL_NAME_IEC958("Loopback ", NONE, SWITCH),
847 		.info = snd_ctl_boolean_mono_info,
848 		.get = spdif_bit_switch_get,
849 		.put = spdif_bit_switch_put,
850 		.private_value = OXYGEN_SPDIF_LOOPBACK,
851 	},
852 	{
853 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
854 		.name = SNDRV_CTL_NAME_IEC958("Validity Check ",CAPTURE,SWITCH),
855 		.info = snd_ctl_boolean_mono_info,
856 		.get = spdif_bit_switch_get,
857 		.put = spdif_bit_switch_put,
858 		.private_value = OXYGEN_SPDIF_SPDVALID,
859 	},
860 };
861 
862 static const struct {
863 	unsigned int pcm_dev;
864 	struct snd_kcontrol_new controls[2];
865 } monitor_controls[] = {
866 	{
867 		.pcm_dev = CAPTURE_0_FROM_I2S_1,
868 		.controls = {
869 			{
870 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
871 				.name = "Analog Input Monitor Playback Switch",
872 				.info = snd_ctl_boolean_mono_info,
873 				.get = monitor_get,
874 				.put = monitor_put,
875 				.private_value = OXYGEN_ADC_MONITOR_A,
876 			},
877 			{
878 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
879 				.name = "Analog Input Monitor Playback Volume",
880 				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
881 					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
882 				.info = monitor_volume_info,
883 				.get = monitor_get,
884 				.put = monitor_put,
885 				.private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL
886 						| (1 << 8),
887 				.tlv = { .p = monitor_db_scale, },
888 			},
889 		},
890 	},
891 	{
892 		.pcm_dev = CAPTURE_0_FROM_I2S_2,
893 		.controls = {
894 			{
895 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
896 				.name = "Analog Input Monitor Playback Switch",
897 				.info = snd_ctl_boolean_mono_info,
898 				.get = monitor_get,
899 				.put = monitor_put,
900 				.private_value = OXYGEN_ADC_MONITOR_B,
901 			},
902 			{
903 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
904 				.name = "Analog Input Monitor Playback Volume",
905 				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
906 					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
907 				.info = monitor_volume_info,
908 				.get = monitor_get,
909 				.put = monitor_put,
910 				.private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
911 						| (1 << 8),
912 				.tlv = { .p = monitor_db_scale, },
913 			},
914 		},
915 	},
916 	{
917 		.pcm_dev = CAPTURE_2_FROM_I2S_2,
918 		.controls = {
919 			{
920 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
921 				.name = "Analog Input Monitor Playback Switch",
922 				.index = 1,
923 				.info = snd_ctl_boolean_mono_info,
924 				.get = monitor_get,
925 				.put = monitor_put,
926 				.private_value = OXYGEN_ADC_MONITOR_B,
927 			},
928 			{
929 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
930 				.name = "Analog Input Monitor Playback Volume",
931 				.index = 1,
932 				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
933 					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
934 				.info = monitor_volume_info,
935 				.get = monitor_get,
936 				.put = monitor_put,
937 				.private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
938 						| (1 << 8),
939 				.tlv = { .p = monitor_db_scale, },
940 			},
941 		},
942 	},
943 	{
944 		.pcm_dev = CAPTURE_3_FROM_I2S_3,
945 		.controls = {
946 			{
947 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
948 				.name = "Analog Input Monitor Playback Switch",
949 				.index = 2,
950 				.info = snd_ctl_boolean_mono_info,
951 				.get = monitor_get,
952 				.put = monitor_put,
953 				.private_value = OXYGEN_ADC_MONITOR_C,
954 			},
955 			{
956 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
957 				.name = "Analog Input Monitor Playback Volume",
958 				.index = 2,
959 				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
960 					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
961 				.info = monitor_volume_info,
962 				.get = monitor_get,
963 				.put = monitor_put,
964 				.private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
965 						| (1 << 8),
966 				.tlv = { .p = monitor_db_scale, },
967 			},
968 		},
969 	},
970 	{
971 		.pcm_dev = CAPTURE_1_FROM_SPDIF,
972 		.controls = {
973 			{
974 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
975 				.name = "Digital Input Monitor Playback Switch",
976 				.info = snd_ctl_boolean_mono_info,
977 				.get = monitor_get,
978 				.put = monitor_put,
979 				.private_value = OXYGEN_ADC_MONITOR_C,
980 			},
981 			{
982 				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
983 				.name = "Digital Input Monitor Playback Volume",
984 				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
985 					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
986 				.info = monitor_volume_info,
987 				.get = monitor_get,
988 				.put = monitor_put,
989 				.private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
990 						| (1 << 8),
991 				.tlv = { .p = monitor_db_scale, },
992 			},
993 		},
994 	},
995 };
996 
997 static const struct snd_kcontrol_new ac97_controls[] = {
998 	AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC, 0),
999 	AC97_SWITCH("Mic Capture Switch", 0, AC97_MIC, 15, 1),
1000 	AC97_SWITCH("Mic Boost (+20dB)", 0, AC97_MIC, 6, 0),
1001 	{
1002 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1003 		.name = "Mic Source Capture Enum",
1004 		.info = mic_fmic_source_info,
1005 		.get = mic_fmic_source_get,
1006 		.put = mic_fmic_source_put,
1007 	},
1008 	AC97_SWITCH("Line Capture Switch", 0, AC97_LINE, 15, 1),
1009 	AC97_VOLUME("CD Capture Volume", 0, AC97_CD, 1),
1010 	AC97_SWITCH("CD Capture Switch", 0, AC97_CD, 15, 1),
1011 	AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX, 1),
1012 	AC97_SWITCH("Aux Capture Switch", 0, AC97_AUX, 15, 1),
1013 };
1014 
1015 static const struct snd_kcontrol_new ac97_fp_controls[] = {
1016 	AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE, 1),
1017 	AC97_SWITCH("Front Panel Playback Switch", 1, AC97_HEADPHONE, 15, 1),
1018 	{
1019 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1020 		.name = "Front Panel Capture Volume",
1021 		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1022 			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
1023 		.info = ac97_fp_rec_volume_info,
1024 		.get = ac97_fp_rec_volume_get,
1025 		.put = ac97_fp_rec_volume_put,
1026 		.tlv = { .p = ac97_rec_db_scale, },
1027 	},
1028 	AC97_SWITCH("Front Panel Capture Switch", 1, AC97_REC_GAIN, 15, 1),
1029 };
1030 
1031 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
1032 {
1033 	struct oxygen *chip = ctl->private_data;
1034 	unsigned int i;
1035 
1036 	/* I'm too lazy to write a function for each control :-) */
1037 	for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
1038 		chip->controls[i] = NULL;
1039 }
1040 
1041 static int add_controls(struct oxygen *chip,
1042 			const struct snd_kcontrol_new controls[],
1043 			unsigned int count)
1044 {
1045 	static const char *const known_ctl_names[CONTROL_COUNT] = {
1046 		[CONTROL_SPDIF_PCM] =
1047 			SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
1048 		[CONTROL_SPDIF_INPUT_BITS] =
1049 			SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
1050 		[CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
1051 		[CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
1052 		[CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
1053 		[CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
1054 	};
1055 	unsigned int i, j;
1056 	struct snd_kcontrol_new template;
1057 	struct snd_kcontrol *ctl;
1058 	int err;
1059 
1060 	for (i = 0; i < count; ++i) {
1061 		template = controls[i];
1062 		if (chip->model.control_filter) {
1063 			err = chip->model.control_filter(&template);
1064 			if (err < 0)
1065 				return err;
1066 			if (err == 1)
1067 				continue;
1068 		}
1069 		if (!strcmp(template.name, "Stereo Upmixing") &&
1070 		    chip->model.dac_channels_pcm == 2)
1071 			continue;
1072 		if (!strcmp(template.name, "Mic Source Capture Enum") &&
1073 		    !(chip->model.device_config & AC97_FMIC_SWITCH))
1074 			continue;
1075 		if (!strncmp(template.name, "CD Capture ", 11) &&
1076 		    !(chip->model.device_config & AC97_CD_INPUT))
1077 			continue;
1078 		if (!strcmp(template.name, "Master Playback Volume") &&
1079 		    chip->model.dac_tlv) {
1080 			template.tlv.p = chip->model.dac_tlv;
1081 			template.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1082 		}
1083 		ctl = snd_ctl_new1(&template, chip);
1084 		if (!ctl)
1085 			return -ENOMEM;
1086 		err = snd_ctl_add(chip->card, ctl);
1087 		if (err < 0)
1088 			return err;
1089 		for (j = 0; j < CONTROL_COUNT; ++j)
1090 			if (!strcmp(ctl->id.name, known_ctl_names[j])) {
1091 				chip->controls[j] = ctl;
1092 				ctl->private_free = oxygen_any_ctl_free;
1093 			}
1094 	}
1095 	return 0;
1096 }
1097 
1098 int oxygen_mixer_init(struct oxygen *chip)
1099 {
1100 	unsigned int i;
1101 	int err;
1102 
1103 	err = add_controls(chip, controls, ARRAY_SIZE(controls));
1104 	if (err < 0)
1105 		return err;
1106 	if (chip->model.device_config & PLAYBACK_1_TO_SPDIF) {
1107 		err = add_controls(chip, spdif_output_controls,
1108 				   ARRAY_SIZE(spdif_output_controls));
1109 		if (err < 0)
1110 			return err;
1111 	}
1112 	if (chip->model.device_config & CAPTURE_1_FROM_SPDIF) {
1113 		err = add_controls(chip, spdif_input_controls,
1114 				   ARRAY_SIZE(spdif_input_controls));
1115 		if (err < 0)
1116 			return err;
1117 	}
1118 	for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
1119 		if (!(chip->model.device_config & monitor_controls[i].pcm_dev))
1120 			continue;
1121 		err = add_controls(chip, monitor_controls[i].controls,
1122 				   ARRAY_SIZE(monitor_controls[i].controls));
1123 		if (err < 0)
1124 			return err;
1125 	}
1126 	if (chip->has_ac97_0) {
1127 		err = add_controls(chip, ac97_controls,
1128 				   ARRAY_SIZE(ac97_controls));
1129 		if (err < 0)
1130 			return err;
1131 	}
1132 	if (chip->has_ac97_1) {
1133 		err = add_controls(chip, ac97_fp_controls,
1134 				   ARRAY_SIZE(ac97_fp_controls));
1135 		if (err < 0)
1136 			return err;
1137 	}
1138 	return chip->model.mixer_init ? chip->model.mixer_init(chip) : 0;
1139 }
1140