1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * C-Media CMI8788 driver - mixer code
4 *
5 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
6 */
7
8#include <linux/mutex.h>
9#include <sound/ac97_codec.h>
10#include <sound/asoundef.h>
11#include <sound/control.h>
12#include <sound/tlv.h>
13#include "oxygen.h"
14#include "cm9780.h"
15
16static int dac_volume_info(struct snd_kcontrol *ctl,
17			   struct snd_ctl_elem_info *info)
18{
19	struct oxygen *chip = ctl->private_data;
20
21	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
22	info->count = chip->model.dac_channels_mixer;
23	info->value.integer.min = chip->model.dac_volume_min;
24	info->value.integer.max = chip->model.dac_volume_max;
25	return 0;
26}
27
28static int dac_volume_get(struct snd_kcontrol *ctl,
29			  struct snd_ctl_elem_value *value)
30{
31	struct oxygen *chip = ctl->private_data;
32	unsigned int i;
33
34	mutex_lock(&chip->mutex);
35	for (i = 0; i < chip->model.dac_channels_mixer; ++i)
36		value->value.integer.value[i] = chip->dac_volume[i];
37	mutex_unlock(&chip->mutex);
38	return 0;
39}
40
41static int dac_volume_put(struct snd_kcontrol *ctl,
42			  struct snd_ctl_elem_value *value)
43{
44	struct oxygen *chip = ctl->private_data;
45	unsigned int i;
46	int changed;
47
48	changed = 0;
49	mutex_lock(&chip->mutex);
50	for (i = 0; i < chip->model.dac_channels_mixer; ++i)
51		if (value->value.integer.value[i] != chip->dac_volume[i]) {
52			chip->dac_volume[i] = value->value.integer.value[i];
53			changed = 1;
54		}
55	if (changed)
56		chip->model.update_dac_volume(chip);
57	mutex_unlock(&chip->mutex);
58	return changed;
59}
60
61static int dac_mute_get(struct snd_kcontrol *ctl,
62			struct snd_ctl_elem_value *value)
63{
64	struct oxygen *chip = ctl->private_data;
65
66	mutex_lock(&chip->mutex);
67	value->value.integer.value[0] = !chip->dac_mute;
68	mutex_unlock(&chip->mutex);
69	return 0;
70}
71
72static int dac_mute_put(struct snd_kcontrol *ctl,
73			  struct snd_ctl_elem_value *value)
74{
75	struct oxygen *chip = ctl->private_data;
76	int changed;
77
78	mutex_lock(&chip->mutex);
79	changed = (!value->value.integer.value[0]) != chip->dac_mute;
80	if (changed) {
81		chip->dac_mute = !value->value.integer.value[0];
82		chip->model.update_dac_mute(chip);
83	}
84	mutex_unlock(&chip->mutex);
85	return changed;
86}
87
88static unsigned int upmix_item_count(struct oxygen *chip)
89{
90	if (chip->model.dac_channels_pcm < 8)
91		return 2;
92	else if (chip->model.update_center_lfe_mix)
93		return 5;
94	else
95		return 3;
96}
97
98static int upmix_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
99{
100	static const char *const names[5] = {
101		"Front",
102		"Front+Surround",
103		"Front+Surround+Back",
104		"Front+Surround+Center/LFE",
105		"Front+Surround+Center/LFE+Back",
106	};
107	struct oxygen *chip = ctl->private_data;
108	unsigned int count = upmix_item_count(chip);
109
110	return snd_ctl_enum_info(info, 1, count, names);
111}
112
113static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
114{
115	struct oxygen *chip = ctl->private_data;
116
117	mutex_lock(&chip->mutex);
118	value->value.enumerated.item[0] = chip->dac_routing;
119	mutex_unlock(&chip->mutex);
120	return 0;
121}
122
123void oxygen_update_dac_routing(struct oxygen *chip)
124{
125	/* DAC 0: front, DAC 1: surround, DAC 2: center/LFE, DAC 3: back */
126	static const unsigned int reg_values[5] = {
127		/* stereo -> front */
128		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
129		(1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
130		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
131		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
132		/* stereo -> front+surround */
133		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
134		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
135		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
136		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
137		/* stereo -> front+surround+back */
138		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
139		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
140		(2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
141		(0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
142		/* stereo -> front+surround+center/LFE */
143		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
144		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
145		(0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
146		(3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
147		/* stereo -> front+surround+center/LFE+back */
148		(0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
149		(0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
150		(0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
151		(0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
152	};
153	u8 channels;
154	unsigned int reg_value;
155
156	channels = oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
157		OXYGEN_PLAY_CHANNELS_MASK;
158	if (channels == OXYGEN_PLAY_CHANNELS_2)
159		reg_value = reg_values[chip->dac_routing];
160	else if (channels == OXYGEN_PLAY_CHANNELS_8)
161		/* in 7.1 mode, "rear" channels go to the "back" jack */
162		reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
163			    (3 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
164			    (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
165			    (1 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
166	else
167		reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
168			    (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
169			    (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
170			    (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
171	if (chip->model.adjust_dac_routing)
172		reg_value = chip->model.adjust_dac_routing(chip, reg_value);
173	oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value,
174			      OXYGEN_PLAY_DAC0_SOURCE_MASK |
175			      OXYGEN_PLAY_DAC1_SOURCE_MASK |
176			      OXYGEN_PLAY_DAC2_SOURCE_MASK |
177			      OXYGEN_PLAY_DAC3_SOURCE_MASK);
178	if (chip->model.update_center_lfe_mix)
179		chip->model.update_center_lfe_mix(chip, chip->dac_routing > 2);
180}
181EXPORT_SYMBOL(oxygen_update_dac_routing);
182
183static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
184{
185	struct oxygen *chip = ctl->private_data;
186	unsigned int count = upmix_item_count(chip);
187	int changed;
188
189	if (value->value.enumerated.item[0] >= count)
190		return -EINVAL;
191	mutex_lock(&chip->mutex);
192	changed = value->value.enumerated.item[0] != chip->dac_routing;
193	if (changed) {
194		chip->dac_routing = value->value.enumerated.item[0];
195		oxygen_update_dac_routing(chip);
196	}
197	mutex_unlock(&chip->mutex);
198	return changed;
199}
200
201static int spdif_switch_get(struct snd_kcontrol *ctl,
202			    struct snd_ctl_elem_value *value)
203{
204	struct oxygen *chip = ctl->private_data;
205
206	mutex_lock(&chip->mutex);
207	value->value.integer.value[0] = chip->spdif_playback_enable;
208	mutex_unlock(&chip->mutex);
209	return 0;
210}
211
212static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
213{
214	switch (oxygen_rate) {
215	case OXYGEN_RATE_32000:
216		return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
217	case OXYGEN_RATE_44100:
218		return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
219	default: /* OXYGEN_RATE_48000 */
220		return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
221	case OXYGEN_RATE_64000:
222		return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
223	case OXYGEN_RATE_88200:
224		return IEC958_AES3_CON_FS_88200 << OXYGEN_SPDIF_CS_RATE_SHIFT;
225	case OXYGEN_RATE_96000:
226		return IEC958_AES3_CON_FS_96000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
227	case OXYGEN_RATE_176400:
228		return IEC958_AES3_CON_FS_176400 << OXYGEN_SPDIF_CS_RATE_SHIFT;
229	case OXYGEN_RATE_192000:
230		return IEC958_AES3_CON_FS_192000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
231	}
232}
233
234void oxygen_update_spdif_source(struct oxygen *chip)
235{
236	u32 old_control, new_control;
237	u16 old_routing, new_routing;
238	unsigned int oxygen_rate;
239
240	old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
241	old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
242	if (chip->pcm_active & (1 << PCM_SPDIF)) {
243		new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
244		new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
245			| OXYGEN_PLAY_SPDIF_SPDIF;
246		oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
247			& OXYGEN_I2S_RATE_MASK;
248		/* S/PDIF rate was already set by the caller */
249	} else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
250		   chip->spdif_playback_enable) {
251		new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
252			| OXYGEN_PLAY_SPDIF_MULTICH_01;
253		oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
254			& OXYGEN_I2S_RATE_MASK;
255		new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
256			(oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
257			OXYGEN_SPDIF_OUT_ENABLE;
258	} else {
259		new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
260		new_routing = old_routing;
261		oxygen_rate = OXYGEN_RATE_44100;
262	}
263	if (old_routing != new_routing) {
264		oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
265			       new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
266		oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
267	}
268	if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
269		oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
270			       oxygen_spdif_rate(oxygen_rate) |
271			       ((chip->pcm_active & (1 << PCM_SPDIF)) ?
272				chip->spdif_pcm_bits : chip->spdif_bits));
273	oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
274}
275
276static int spdif_switch_put(struct snd_kcontrol *ctl,
277			    struct snd_ctl_elem_value *value)
278{
279	struct oxygen *chip = ctl->private_data;
280	int changed;
281
282	mutex_lock(&chip->mutex);
283	changed = value->value.integer.value[0] != chip->spdif_playback_enable;
284	if (changed) {
285		chip->spdif_playback_enable = !!value->value.integer.value[0];
286		spin_lock_irq(&chip->reg_lock);
287		oxygen_update_spdif_source(chip);
288		spin_unlock_irq(&chip->reg_lock);
289	}
290	mutex_unlock(&chip->mutex);
291	return changed;
292}
293
294static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
295{
296	info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
297	info->count = 1;
298	return 0;
299}
300
301static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
302{
303	value->value.iec958.status[0] =
304		bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
305			OXYGEN_SPDIF_PREEMPHASIS);
306	value->value.iec958.status[1] = /* category and original */
307		bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
308}
309
310static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
311{
312	u32 bits;
313
314	bits = value->value.iec958.status[0] &
315		(OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
316		 OXYGEN_SPDIF_PREEMPHASIS);
317	bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
318	if (bits & OXYGEN_SPDIF_NONAUDIO)
319		bits |= OXYGEN_SPDIF_V;
320	return bits;
321}
322
323static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
324{
325	oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
326			      OXYGEN_SPDIF_NONAUDIO |
327			      OXYGEN_SPDIF_C |
328			      OXYGEN_SPDIF_PREEMPHASIS |
329			      OXYGEN_SPDIF_CATEGORY_MASK |
330			      OXYGEN_SPDIF_ORIGINAL |
331			      OXYGEN_SPDIF_V);
332}
333
334static int spdif_default_get(struct snd_kcontrol *ctl,
335			     struct snd_ctl_elem_value *value)
336{
337	struct oxygen *chip = ctl->private_data;
338
339	mutex_lock(&chip->mutex);
340	oxygen_to_iec958(chip->spdif_bits, value);
341	mutex_unlock(&chip->mutex);
342	return 0;
343}
344
345static int spdif_default_put(struct snd_kcontrol *ctl,
346			     struct snd_ctl_elem_value *value)
347{
348	struct oxygen *chip = ctl->private_data;
349	u32 new_bits;
350	int changed;
351
352	new_bits = iec958_to_oxygen(value);
353	mutex_lock(&chip->mutex);
354	changed = new_bits != chip->spdif_bits;
355	if (changed) {
356		chip->spdif_bits = new_bits;
357		if (!(chip->pcm_active & (1 << PCM_SPDIF)))
358			write_spdif_bits(chip, new_bits);
359	}
360	mutex_unlock(&chip->mutex);
361	return changed;
362}
363
364static int spdif_mask_get(struct snd_kcontrol *ctl,
365			  struct snd_ctl_elem_value *value)
366{
367	value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
368		IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
369	value->value.iec958.status[1] =
370		IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
371	return 0;
372}
373
374static int spdif_pcm_get(struct snd_kcontrol *ctl,
375			 struct snd_ctl_elem_value *value)
376{
377	struct oxygen *chip = ctl->private_data;
378
379	mutex_lock(&chip->mutex);
380	oxygen_to_iec958(chip->spdif_pcm_bits, value);
381	mutex_unlock(&chip->mutex);
382	return 0;
383}
384
385static int spdif_pcm_put(struct snd_kcontrol *ctl,
386			 struct snd_ctl_elem_value *value)
387{
388	struct oxygen *chip = ctl->private_data;
389	u32 new_bits;
390	int changed;
391
392	new_bits = iec958_to_oxygen(value);
393	mutex_lock(&chip->mutex);
394	changed = new_bits != chip->spdif_pcm_bits;
395	if (changed) {
396		chip->spdif_pcm_bits = new_bits;
397		if (chip->pcm_active & (1 << PCM_SPDIF))
398			write_spdif_bits(chip, new_bits);
399	}
400	mutex_unlock(&chip->mutex);
401	return changed;
402}
403
404static int spdif_input_mask_get(struct snd_kcontrol *ctl,
405				struct snd_ctl_elem_value *value)
406{
407	value->value.iec958.status[0] = 0xff;
408	value->value.iec958.status[1] = 0xff;
409	value->value.iec958.status[2] = 0xff;
410	value->value.iec958.status[3] = 0xff;
411	return 0;
412}
413
414static int spdif_input_default_get(struct snd_kcontrol *ctl,
415				   struct snd_ctl_elem_value *value)
416{
417	struct oxygen *chip = ctl->private_data;
418	u32 bits;
419
420	bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
421	value->value.iec958.status[0] = bits;
422	value->value.iec958.status[1] = bits >> 8;
423	value->value.iec958.status[2] = bits >> 16;
424	value->value.iec958.status[3] = bits >> 24;
425	return 0;
426}
427
428static int spdif_bit_switch_get(struct snd_kcontrol *ctl,
429				struct snd_ctl_elem_value *value)
430{
431	struct oxygen *chip = ctl->private_data;
432	u32 bit = ctl->private_value;
433
434	value->value.integer.value[0] =
435		!!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL) & bit);
436	return 0;
437}
438
439static int spdif_bit_switch_put(struct snd_kcontrol *ctl,
440				struct snd_ctl_elem_value *value)
441{
442	struct oxygen *chip = ctl->private_data;
443	u32 bit = ctl->private_value;
444	u32 oldreg, newreg;
445	int changed;
446
447	spin_lock_irq(&chip->reg_lock);
448	oldreg = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
449	if (value->value.integer.value[0])
450		newreg = oldreg | bit;
451	else
452		newreg = oldreg & ~bit;
453	changed = newreg != oldreg;
454	if (changed)
455		oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, newreg);
456	spin_unlock_irq(&chip->reg_lock);
457	return changed;
458}
459
460static int monitor_volume_info(struct snd_kcontrol *ctl,
461			       struct snd_ctl_elem_info *info)
462{
463	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
464	info->count = 1;
465	info->value.integer.min = 0;
466	info->value.integer.max = 1;
467	return 0;
468}
469
470static int monitor_get(struct snd_kcontrol *ctl,
471		       struct snd_ctl_elem_value *value)
472{
473	struct oxygen *chip = ctl->private_data;
474	u8 bit = ctl->private_value;
475	int invert = ctl->private_value & (1 << 8);
476
477	value->value.integer.value[0] =
478		!!invert ^ !!(oxygen_read8(chip, OXYGEN_ADC_MONITOR) & bit);
479	return 0;
480}
481
482static int monitor_put(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	u8 oldreg, newreg;
489	int changed;
490
491	spin_lock_irq(&chip->reg_lock);
492	oldreg = oxygen_read8(chip, OXYGEN_ADC_MONITOR);
493	if ((!!value->value.integer.value[0] ^ !!invert) != 0)
494		newreg = oldreg | bit;
495	else
496		newreg = oldreg & ~bit;
497	changed = newreg != oldreg;
498	if (changed)
499		oxygen_write8(chip, OXYGEN_ADC_MONITOR, newreg);
500	spin_unlock_irq(&chip->reg_lock);
501	return changed;
502}
503
504static int ac97_switch_get(struct snd_kcontrol *ctl,
505			   struct snd_ctl_elem_value *value)
506{
507	struct oxygen *chip = ctl->private_data;
508	unsigned int codec = (ctl->private_value >> 24) & 1;
509	unsigned int index = ctl->private_value & 0xff;
510	unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
511	int invert = ctl->private_value & (1 << 16);
512	u16 reg;
513
514	mutex_lock(&chip->mutex);
515	reg = oxygen_read_ac97(chip, codec, index);
516	mutex_unlock(&chip->mutex);
517	if (!(reg & (1 << bitnr)) ^ !invert)
518		value->value.integer.value[0] = 1;
519	else
520		value->value.integer.value[0] = 0;
521	return 0;
522}
523
524static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
525{
526	unsigned int priv_idx;
527	u16 value;
528
529	if (!chip->controls[control])
530		return;
531	priv_idx = chip->controls[control]->private_value & 0xff;
532	value = oxygen_read_ac97(chip, 0, priv_idx);
533	if (!(value & 0x8000)) {
534		oxygen_write_ac97(chip, 0, priv_idx, value | 0x8000);
535		if (chip->model.ac97_switch)
536			chip->model.ac97_switch(chip, priv_idx, 0x8000);
537		snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
538			       &chip->controls[control]->id);
539	}
540}
541
542static int ac97_switch_put(struct snd_kcontrol *ctl,
543			   struct snd_ctl_elem_value *value)
544{
545	struct oxygen *chip = ctl->private_data;
546	unsigned int codec = (ctl->private_value >> 24) & 1;
547	unsigned int index = ctl->private_value & 0xff;
548	unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
549	int invert = ctl->private_value & (1 << 16);
550	u16 oldreg, newreg;
551	int change;
552
553	mutex_lock(&chip->mutex);
554	oldreg = oxygen_read_ac97(chip, codec, index);
555	newreg = oldreg;
556	if (!value->value.integer.value[0] ^ !invert)
557		newreg |= 1 << bitnr;
558	else
559		newreg &= ~(1 << bitnr);
560	change = newreg != oldreg;
561	if (change) {
562		oxygen_write_ac97(chip, codec, index, newreg);
563		if (codec == 0 && chip->model.ac97_switch)
564			chip->model.ac97_switch(chip, index, newreg & 0x8000);
565		if (index == AC97_LINE) {
566			oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
567						 newreg & 0x8000 ?
568						 CM9780_GPO0 : 0, CM9780_GPO0);
569			if (!(newreg & 0x8000)) {
570				mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
571				mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
572				mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
573			}
574		} else if ((index == AC97_MIC || index == AC97_CD ||
575			    index == AC97_VIDEO || index == AC97_AUX) &&
576			   bitnr == 15 && !(newreg & 0x8000)) {
577			mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
578			oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
579						 CM9780_GPO0, CM9780_GPO0);
580		}
581	}
582	mutex_unlock(&chip->mutex);
583	return change;
584}
585
586static int ac97_volume_info(struct snd_kcontrol *ctl,
587			    struct snd_ctl_elem_info *info)
588{
589	int stereo = (ctl->private_value >> 16) & 1;
590
591	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
592	info->count = stereo ? 2 : 1;
593	info->value.integer.min = 0;
594	info->value.integer.max = 0x1f;
595	return 0;
596}
597
598static int ac97_volume_get(struct snd_kcontrol *ctl,
599			   struct snd_ctl_elem_value *value)
600{
601	struct oxygen *chip = ctl->private_data;
602	unsigned int codec = (ctl->private_value >> 24) & 1;
603	int stereo = (ctl->private_value >> 16) & 1;
604	unsigned int index = ctl->private_value & 0xff;
605	u16 reg;
606
607	mutex_lock(&chip->mutex);
608	reg = oxygen_read_ac97(chip, codec, index);
609	mutex_unlock(&chip->mutex);
610	if (!stereo) {
611		value->value.integer.value[0] = 31 - (reg & 0x1f);
612	} else {
613		value->value.integer.value[0] = 31 - ((reg >> 8) & 0x1f);
614		value->value.integer.value[1] = 31 - (reg & 0x1f);
615	}
616	return 0;
617}
618
619static int ac97_volume_put(struct snd_kcontrol *ctl,
620			   struct snd_ctl_elem_value *value)
621{
622	struct oxygen *chip = ctl->private_data;
623	unsigned int codec = (ctl->private_value >> 24) & 1;
624	int stereo = (ctl->private_value >> 16) & 1;
625	unsigned int index = ctl->private_value & 0xff;
626	u16 oldreg, newreg;
627	int change;
628
629	mutex_lock(&chip->mutex);
630	oldreg = oxygen_read_ac97(chip, codec, index);
631	if (!stereo) {
632		newreg = oldreg & ~0x1f;
633		newreg |= 31 - (value->value.integer.value[0] & 0x1f);
634	} else {
635		newreg = oldreg & ~0x1f1f;
636		newreg |= (31 - (value->value.integer.value[0] & 0x1f)) << 8;
637		newreg |= 31 - (value->value.integer.value[1] & 0x1f);
638	}
639	change = newreg != oldreg;
640	if (change)
641		oxygen_write_ac97(chip, codec, index, newreg);
642	mutex_unlock(&chip->mutex);
643	return change;
644}
645
646static int mic_fmic_source_info(struct snd_kcontrol *ctl,
647			   struct snd_ctl_elem_info *info)
648{
649	static const char *const names[] = { "Mic Jack", "Front Panel" };
650
651	return snd_ctl_enum_info(info, 1, 2, names);
652}
653
654static int mic_fmic_source_get(struct snd_kcontrol *ctl,
655			       struct snd_ctl_elem_value *value)
656{
657	struct oxygen *chip = ctl->private_data;
658
659	mutex_lock(&chip->mutex);
660	value->value.enumerated.item[0] =
661		!!(oxygen_read_ac97(chip, 0, CM9780_JACK) & CM9780_FMIC2MIC);
662	mutex_unlock(&chip->mutex);
663	return 0;
664}
665
666static int mic_fmic_source_put(struct snd_kcontrol *ctl,
667			       struct snd_ctl_elem_value *value)
668{
669	struct oxygen *chip = ctl->private_data;
670	u16 oldreg, newreg;
671	int change;
672
673	mutex_lock(&chip->mutex);
674	oldreg = oxygen_read_ac97(chip, 0, CM9780_JACK);
675	if (value->value.enumerated.item[0])
676		newreg = oldreg | CM9780_FMIC2MIC;
677	else
678		newreg = oldreg & ~CM9780_FMIC2MIC;
679	change = newreg != oldreg;
680	if (change)
681		oxygen_write_ac97(chip, 0, CM9780_JACK, newreg);
682	mutex_unlock(&chip->mutex);
683	return change;
684}
685
686static int ac97_fp_rec_volume_info(struct snd_kcontrol *ctl,
687				   struct snd_ctl_elem_info *info)
688{
689	info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
690	info->count = 2;
691	info->value.integer.min = 0;
692	info->value.integer.max = 7;
693	return 0;
694}
695
696static int ac97_fp_rec_volume_get(struct snd_kcontrol *ctl,
697				  struct snd_ctl_elem_value *value)
698{
699	struct oxygen *chip = ctl->private_data;
700	u16 reg;
701
702	mutex_lock(&chip->mutex);
703	reg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
704	mutex_unlock(&chip->mutex);
705	value->value.integer.value[0] = reg & 7;
706	value->value.integer.value[1] = (reg >> 8) & 7;
707	return 0;
708}
709
710static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
711				  struct snd_ctl_elem_value *value)
712{
713	struct oxygen *chip = ctl->private_data;
714	u16 oldreg, newreg;
715	int change;
716
717	mutex_lock(&chip->mutex);
718	oldreg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
719	newreg = oldreg & ~0x0707;
720	newreg = newreg | (value->value.integer.value[0] & 7);
721	newreg = newreg | ((value->value.integer.value[1] & 7) << 8);
722	change = newreg != oldreg;
723	if (change)
724		oxygen_write_ac97(chip, 1, AC97_REC_GAIN, newreg);
725	mutex_unlock(&chip->mutex);
726	return change;
727}
728
729#define AC97_SWITCH(xname, codec, index, bitnr, invert) { \
730		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
731		.name = xname, \
732		.info = snd_ctl_boolean_mono_info, \
733		.get = ac97_switch_get, \
734		.put = ac97_switch_put, \
735		.private_value = ((codec) << 24) | ((invert) << 16) | \
736				 ((bitnr) << 8) | (index), \
737	}
738#define AC97_VOLUME(xname, codec, index, stereo) { \
739		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
740		.name = xname, \
741		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
742			  SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
743		.info = ac97_volume_info, \
744		.get = ac97_volume_get, \
745		.put = ac97_volume_put, \
746		.tlv = { .p = ac97_db_scale, }, \
747		.private_value = ((codec) << 24) | ((stereo) << 16) | (index), \
748	}
749
750static DECLARE_TLV_DB_SCALE(monitor_db_scale, -600, 600, 0);
751static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
752static DECLARE_TLV_DB_SCALE(ac97_rec_db_scale, 0, 150, 0);
753
754static const struct snd_kcontrol_new controls[] = {
755	{
756		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
757		.name = "Master Playback Volume",
758		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
759		.info = dac_volume_info,
760		.get = dac_volume_get,
761		.put = dac_volume_put,
762	},
763	{
764		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
765		.name = "Master Playback Switch",
766		.info = snd_ctl_boolean_mono_info,
767		.get = dac_mute_get,
768		.put = dac_mute_put,
769	},
770	{
771		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
772		.name = "Stereo Upmixing",
773		.info = upmix_info,
774		.get = upmix_get,
775		.put = upmix_put,
776	},
777};
778
779static const struct snd_kcontrol_new spdif_output_controls[] = {
780	{
781		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
782		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
783		.info = snd_ctl_boolean_mono_info,
784		.get = spdif_switch_get,
785		.put = spdif_switch_put,
786	},
787	{
788		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
789		.device = 1,
790		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
791		.info = spdif_info,
792		.get = spdif_default_get,
793		.put = spdif_default_put,
794	},
795	{
796		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
797		.device = 1,
798		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
799		.access = SNDRV_CTL_ELEM_ACCESS_READ,
800		.info = spdif_info,
801		.get = spdif_mask_get,
802	},
803	{
804		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
805		.device = 1,
806		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
807		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
808			  SNDRV_CTL_ELEM_ACCESS_INACTIVE,
809		.info = spdif_info,
810		.get = spdif_pcm_get,
811		.put = spdif_pcm_put,
812	},
813};
814
815static const struct snd_kcontrol_new spdif_input_controls[] = {
816	{
817		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
818		.device = 1,
819		.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
820		.access = SNDRV_CTL_ELEM_ACCESS_READ,
821		.info = spdif_info,
822		.get = spdif_input_mask_get,
823	},
824	{
825		.iface = SNDRV_CTL_ELEM_IFACE_PCM,
826		.device = 1,
827		.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
828		.access = SNDRV_CTL_ELEM_ACCESS_READ,
829		.info = spdif_info,
830		.get = spdif_input_default_get,
831	},
832	{
833		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
834		.name = SNDRV_CTL_NAME_IEC958("Loopback ", NONE, SWITCH),
835		.info = snd_ctl_boolean_mono_info,
836		.get = spdif_bit_switch_get,
837		.put = spdif_bit_switch_put,
838		.private_value = OXYGEN_SPDIF_LOOPBACK,
839	},
840	{
841		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
842		.name = SNDRV_CTL_NAME_IEC958("Validity Check ",CAPTURE,SWITCH),
843		.info = snd_ctl_boolean_mono_info,
844		.get = spdif_bit_switch_get,
845		.put = spdif_bit_switch_put,
846		.private_value = OXYGEN_SPDIF_SPDVALID,
847	},
848};
849
850static const struct {
851	unsigned int pcm_dev;
852	struct snd_kcontrol_new controls[2];
853} monitor_controls[] = {
854	{
855		.pcm_dev = CAPTURE_0_FROM_I2S_1,
856		.controls = {
857			{
858				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
859				.name = "Analog Input Monitor Playback Switch",
860				.info = snd_ctl_boolean_mono_info,
861				.get = monitor_get,
862				.put = monitor_put,
863				.private_value = OXYGEN_ADC_MONITOR_A,
864			},
865			{
866				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
867				.name = "Analog Input Monitor Playback Volume",
868				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
869					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
870				.info = monitor_volume_info,
871				.get = monitor_get,
872				.put = monitor_put,
873				.private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL
874						| (1 << 8),
875				.tlv = { .p = monitor_db_scale, },
876			},
877		},
878	},
879	{
880		.pcm_dev = CAPTURE_0_FROM_I2S_2,
881		.controls = {
882			{
883				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
884				.name = "Analog Input Monitor Playback Switch",
885				.info = snd_ctl_boolean_mono_info,
886				.get = monitor_get,
887				.put = monitor_put,
888				.private_value = OXYGEN_ADC_MONITOR_B,
889			},
890			{
891				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
892				.name = "Analog Input Monitor Playback Volume",
893				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
894					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
895				.info = monitor_volume_info,
896				.get = monitor_get,
897				.put = monitor_put,
898				.private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
899						| (1 << 8),
900				.tlv = { .p = monitor_db_scale, },
901			},
902		},
903	},
904	{
905		.pcm_dev = CAPTURE_2_FROM_I2S_2,
906		.controls = {
907			{
908				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
909				.name = "Analog Input Monitor Playback Switch",
910				.index = 1,
911				.info = snd_ctl_boolean_mono_info,
912				.get = monitor_get,
913				.put = monitor_put,
914				.private_value = OXYGEN_ADC_MONITOR_B,
915			},
916			{
917				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
918				.name = "Analog Input Monitor Playback Volume",
919				.index = 1,
920				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
921					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
922				.info = monitor_volume_info,
923				.get = monitor_get,
924				.put = monitor_put,
925				.private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
926						| (1 << 8),
927				.tlv = { .p = monitor_db_scale, },
928			},
929		},
930	},
931	{
932		.pcm_dev = CAPTURE_3_FROM_I2S_3,
933		.controls = {
934			{
935				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
936				.name = "Analog Input Monitor Playback Switch",
937				.index = 2,
938				.info = snd_ctl_boolean_mono_info,
939				.get = monitor_get,
940				.put = monitor_put,
941				.private_value = OXYGEN_ADC_MONITOR_C,
942			},
943			{
944				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
945				.name = "Analog Input Monitor Playback Volume",
946				.index = 2,
947				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
948					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
949				.info = monitor_volume_info,
950				.get = monitor_get,
951				.put = monitor_put,
952				.private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
953						| (1 << 8),
954				.tlv = { .p = monitor_db_scale, },
955			},
956		},
957	},
958	{
959		.pcm_dev = CAPTURE_1_FROM_SPDIF,
960		.controls = {
961			{
962				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
963				.name = "Digital Input Monitor Playback Switch",
964				.info = snd_ctl_boolean_mono_info,
965				.get = monitor_get,
966				.put = monitor_put,
967				.private_value = OXYGEN_ADC_MONITOR_C,
968			},
969			{
970				.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
971				.name = "Digital Input Monitor Playback Volume",
972				.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
973					  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
974				.info = monitor_volume_info,
975				.get = monitor_get,
976				.put = monitor_put,
977				.private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
978						| (1 << 8),
979				.tlv = { .p = monitor_db_scale, },
980			},
981		},
982	},
983};
984
985static const struct snd_kcontrol_new ac97_controls[] = {
986	AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC, 0),
987	AC97_SWITCH("Mic Capture Switch", 0, AC97_MIC, 15, 1),
988	AC97_SWITCH("Mic Boost (+20dB)", 0, AC97_MIC, 6, 0),
989	{
990		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
991		.name = "Mic Source Capture Enum",
992		.info = mic_fmic_source_info,
993		.get = mic_fmic_source_get,
994		.put = mic_fmic_source_put,
995	},
996	AC97_SWITCH("Line Capture Switch", 0, AC97_LINE, 15, 1),
997	AC97_VOLUME("CD Capture Volume", 0, AC97_CD, 1),
998	AC97_SWITCH("CD Capture Switch", 0, AC97_CD, 15, 1),
999	AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX, 1),
1000	AC97_SWITCH("Aux Capture Switch", 0, AC97_AUX, 15, 1),
1001};
1002
1003static const struct snd_kcontrol_new ac97_fp_controls[] = {
1004	AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE, 1),
1005	AC97_SWITCH("Front Panel Playback Switch", 1, AC97_HEADPHONE, 15, 1),
1006	{
1007		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1008		.name = "Front Panel Capture Volume",
1009		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1010			  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
1011		.info = ac97_fp_rec_volume_info,
1012		.get = ac97_fp_rec_volume_get,
1013		.put = ac97_fp_rec_volume_put,
1014		.tlv = { .p = ac97_rec_db_scale, },
1015	},
1016	AC97_SWITCH("Front Panel Capture Switch", 1, AC97_REC_GAIN, 15, 1),
1017};
1018
1019static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
1020{
1021	struct oxygen *chip = ctl->private_data;
1022	unsigned int i;
1023
1024	/* I'm too lazy to write a function for each control :-) */
1025	for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
1026		chip->controls[i] = NULL;
1027}
1028
1029static int add_controls(struct oxygen *chip,
1030			const struct snd_kcontrol_new controls[],
1031			unsigned int count)
1032{
1033	static const char *const known_ctl_names[CONTROL_COUNT] = {
1034		[CONTROL_SPDIF_PCM] =
1035			SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
1036		[CONTROL_SPDIF_INPUT_BITS] =
1037			SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
1038		[CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
1039		[CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
1040		[CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
1041		[CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
1042	};
1043	unsigned int i;
1044	struct snd_kcontrol_new template;
1045	struct snd_kcontrol *ctl;
1046	int j, err;
1047
1048	for (i = 0; i < count; ++i) {
1049		template = controls[i];
1050		if (chip->model.control_filter) {
1051			err = chip->model.control_filter(&template);
1052			if (err < 0)
1053				return err;
1054			if (err == 1)
1055				continue;
1056		}
1057		if (!strcmp(template.name, "Stereo Upmixing") &&
1058		    chip->model.dac_channels_pcm == 2)
1059			continue;
1060		if (!strcmp(template.name, "Mic Source Capture Enum") &&
1061		    !(chip->model.device_config & AC97_FMIC_SWITCH))
1062			continue;
1063		if (!strncmp(template.name, "CD Capture ", 11) &&
1064		    !(chip->model.device_config & AC97_CD_INPUT))
1065			continue;
1066		if (!strcmp(template.name, "Master Playback Volume") &&
1067		    chip->model.dac_tlv) {
1068			template.tlv.p = chip->model.dac_tlv;
1069			template.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1070		}
1071		ctl = snd_ctl_new1(&template, chip);
1072		if (!ctl)
1073			return -ENOMEM;
1074		err = snd_ctl_add(chip->card, ctl);
1075		if (err < 0)
1076			return err;
1077		j = match_string(known_ctl_names, CONTROL_COUNT, ctl->id.name);
1078		if (j >= 0) {
1079			chip->controls[j] = ctl;
1080			ctl->private_free = oxygen_any_ctl_free;
1081		}
1082	}
1083	return 0;
1084}
1085
1086int oxygen_mixer_init(struct oxygen *chip)
1087{
1088	unsigned int i;
1089	int err;
1090
1091	err = add_controls(chip, controls, ARRAY_SIZE(controls));
1092	if (err < 0)
1093		return err;
1094	if (chip->model.device_config & PLAYBACK_1_TO_SPDIF) {
1095		err = add_controls(chip, spdif_output_controls,
1096				   ARRAY_SIZE(spdif_output_controls));
1097		if (err < 0)
1098			return err;
1099	}
1100	if (chip->model.device_config & CAPTURE_1_FROM_SPDIF) {
1101		err = add_controls(chip, spdif_input_controls,
1102				   ARRAY_SIZE(spdif_input_controls));
1103		if (err < 0)
1104			return err;
1105	}
1106	for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
1107		if (!(chip->model.device_config & monitor_controls[i].pcm_dev))
1108			continue;
1109		err = add_controls(chip, monitor_controls[i].controls,
1110				   ARRAY_SIZE(monitor_controls[i].controls));
1111		if (err < 0)
1112			return err;
1113	}
1114	if (chip->has_ac97_0) {
1115		err = add_controls(chip, ac97_controls,
1116				   ARRAY_SIZE(ac97_controls));
1117		if (err < 0)
1118			return err;
1119	}
1120	if (chip->has_ac97_1) {
1121		err = add_controls(chip, ac97_fp_controls,
1122				   ARRAY_SIZE(ac97_fp_controls));
1123		if (err < 0)
1124			return err;
1125	}
1126	return chip->model.mixer_init ? chip->model.mixer_init(chip) : 0;
1127}
1128