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aufs: possible bugfix, allow the nested aufsd between several aufs mounts
[zen-stable.git] / sound / pci / oxygen / oxygen_mixer.c
blobc0dbb52d45be5306799fb144e63e60d81348045e
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
194 static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
195 {
196 struct oxygen *chip = ctl->private_data;
197 unsigned int count = upmix_item_count(chip);
198 int changed;
199
200 if (value->value.enumerated.item[0] >= count)
201 return -EINVAL;
202 mutex_lock(&chip->mutex);
203 changed = value->value.enumerated.item[0] != chip->dac_routing;
204 if (changed) {
205 chip->dac_routing = value->value.enumerated.item[0];
206 oxygen_update_dac_routing(chip);
207 }
208 mutex_unlock(&chip->mutex);
209 return changed;
210 }
211
212 static int spdif_switch_get(struct snd_kcontrol *ctl,
213 struct snd_ctl_elem_value *value)
214 {
215 struct oxygen *chip = ctl->private_data;
216
217 mutex_lock(&chip->mutex);
218 value->value.integer.value[0] = chip->spdif_playback_enable;
219 mutex_unlock(&chip->mutex);
220 return 0;
221 }
222
223 static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
224 {
225 switch (oxygen_rate) {
226 case OXYGEN_RATE_32000:
227 return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
228 case OXYGEN_RATE_44100:
229 return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
230 default: /* OXYGEN_RATE_48000 */
231 return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
232 case OXYGEN_RATE_64000:
233 return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
234 case OXYGEN_RATE_88200:
235 return IEC958_AES3_CON_FS_88200 << OXYGEN_SPDIF_CS_RATE_SHIFT;
236 case OXYGEN_RATE_96000:
237 return IEC958_AES3_CON_FS_96000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
238 case OXYGEN_RATE_176400:
239 return IEC958_AES3_CON_FS_176400 << OXYGEN_SPDIF_CS_RATE_SHIFT;
240 case OXYGEN_RATE_192000:
241 return IEC958_AES3_CON_FS_192000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
242 }
243 }
244
245 void oxygen_update_spdif_source(struct oxygen *chip)
246 {
247 u32 old_control, new_control;
248 u16 old_routing, new_routing;
249 unsigned int oxygen_rate;
250
251 old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
252 old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
253 if (chip->pcm_active & (1 << PCM_SPDIF)) {
254 new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
255 new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
256 | OXYGEN_PLAY_SPDIF_SPDIF;
257 oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
258 & OXYGEN_I2S_RATE_MASK;
259 /* S/PDIF rate was already set by the caller */
260 } else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
261 chip->spdif_playback_enable) {
262 new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
263 | OXYGEN_PLAY_SPDIF_MULTICH_01;
264 oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
265 & OXYGEN_I2S_RATE_MASK;
266 new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
267 (oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
268 OXYGEN_SPDIF_OUT_ENABLE;
269 } else {
270 new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
271 new_routing = old_routing;
272 oxygen_rate = OXYGEN_RATE_44100;
273 }
274 if (old_routing != new_routing) {
275 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
276 new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
277 oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
278 }
279 if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
280 oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
281 oxygen_spdif_rate(oxygen_rate) |
282 ((chip->pcm_active & (1 << PCM_SPDIF)) ?
283 chip->spdif_pcm_bits : chip->spdif_bits));
284 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
285 }
286
287 static int spdif_switch_put(struct snd_kcontrol *ctl,
288 struct snd_ctl_elem_value *value)
289 {
290 struct oxygen *chip = ctl->private_data;
291 int changed;
292
293 mutex_lock(&chip->mutex);
294 changed = value->value.integer.value[0] != chip->spdif_playback_enable;
295 if (changed) {
296 chip->spdif_playback_enable = !!value->value.integer.value[0];
297 spin_lock_irq(&chip->reg_lock);
298 oxygen_update_spdif_source(chip);
299 spin_unlock_irq(&chip->reg_lock);
300 }
301 mutex_unlock(&chip->mutex);
302 return changed;
303 }
304
305 static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
306 {
307 info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
308 info->count = 1;
309 return 0;
310 }
311
312 static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
313 {
314 value->value.iec958.status[0] =
315 bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
316 OXYGEN_SPDIF_PREEMPHASIS);
317 value->value.iec958.status[1] = /* category and original */
318 bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
319 }
320
321 static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
322 {
323 u32 bits;
324
325 bits = value->value.iec958.status[0] &
326 (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
327 OXYGEN_SPDIF_PREEMPHASIS);
328 bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
329 if (bits & OXYGEN_SPDIF_NONAUDIO)
330 bits |= OXYGEN_SPDIF_V;
331 return bits;
332 }
333
334 static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
335 {
336 oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
337 OXYGEN_SPDIF_NONAUDIO |
338 OXYGEN_SPDIF_C |
339 OXYGEN_SPDIF_PREEMPHASIS |
340 OXYGEN_SPDIF_CATEGORY_MASK |
341 OXYGEN_SPDIF_ORIGINAL |
342 OXYGEN_SPDIF_V);
343 }
344
345 static int spdif_default_get(struct snd_kcontrol *ctl,
346 struct snd_ctl_elem_value *value)
347 {
348 struct oxygen *chip = ctl->private_data;
349
350 mutex_lock(&chip->mutex);
351 oxygen_to_iec958(chip->spdif_bits, value);
352 mutex_unlock(&chip->mutex);
353 return 0;
354 }
355
356 static int spdif_default_put(struct snd_kcontrol *ctl,
357 struct snd_ctl_elem_value *value)
358 {
359 struct oxygen *chip = ctl->private_data;
360 u32 new_bits;
361 int changed;
362
363 new_bits = iec958_to_oxygen(value);
364 mutex_lock(&chip->mutex);
365 changed = new_bits != chip->spdif_bits;
366 if (changed) {
367 chip->spdif_bits = new_bits;
368 if (!(chip->pcm_active & (1 << PCM_SPDIF)))
369 write_spdif_bits(chip, new_bits);
370 }
371 mutex_unlock(&chip->mutex);
372 return changed;
373 }
374
375 static int spdif_mask_get(struct snd_kcontrol *ctl,
376 struct snd_ctl_elem_value *value)
377 {
378 value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
379 IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
380 value->value.iec958.status[1] =
381 IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
382 return 0;
383 }
384
385 static int spdif_pcm_get(struct snd_kcontrol *ctl,
386 struct snd_ctl_elem_value *value)
387 {
388 struct oxygen *chip = ctl->private_data;
389
390 mutex_lock(&chip->mutex);
391 oxygen_to_iec958(chip->spdif_pcm_bits, value);
392 mutex_unlock(&chip->mutex);
393 return 0;
394 }
395
396 static int spdif_pcm_put(struct snd_kcontrol *ctl,
397 struct snd_ctl_elem_value *value)
398 {
399 struct oxygen *chip = ctl->private_data;
400 u32 new_bits;
401 int changed;
402
403 new_bits = iec958_to_oxygen(value);
404 mutex_lock(&chip->mutex);
405 changed = new_bits != chip->spdif_pcm_bits;
406 if (changed) {
407 chip->spdif_pcm_bits = new_bits;
408 if (chip->pcm_active & (1 << PCM_SPDIF))
409 write_spdif_bits(chip, new_bits);
410 }
411 mutex_unlock(&chip->mutex);
412 return changed;
413 }
414
415 static int spdif_input_mask_get(struct snd_kcontrol *ctl,
416 struct snd_ctl_elem_value *value)
417 {
418 value->value.iec958.status[0] = 0xff;
419 value->value.iec958.status[1] = 0xff;
420 value->value.iec958.status[2] = 0xff;
421 value->value.iec958.status[3] = 0xff;
422 return 0;
423 }
424
425 static int spdif_input_default_get(struct snd_kcontrol *ctl,
426 struct snd_ctl_elem_value *value)
427 {
428 struct oxygen *chip = ctl->private_data;
429 u32 bits;
430
431 bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
432 value->value.iec958.status[0] = bits;
433 value->value.iec958.status[1] = bits >> 8;
434 value->value.iec958.status[2] = bits >> 16;
435 value->value.iec958.status[3] = bits >> 24;
436 return 0;
437 }
438
439 static int spdif_bit_switch_get(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
445 value->value.integer.value[0] =
446 !!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL) & bit);
447 return 0;
448 }
449
450 static int spdif_bit_switch_put(struct snd_kcontrol *ctl,
451 struct snd_ctl_elem_value *value)
452 {
453 struct oxygen *chip = ctl->private_data;
454 u32 bit = ctl->private_value;
455 u32 oldreg, newreg;
456 int changed;
457
458 spin_lock_irq(&chip->reg_lock);
459 oldreg = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
460 if (value->value.integer.value[0])
461 newreg = oldreg | bit;
462 else
463 newreg = oldreg & ~bit;
464 changed = newreg != oldreg;
465 if (changed)
466 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, newreg);
467 spin_unlock_irq(&chip->reg_lock);
468 return changed;
469 }
470
471 static int monitor_volume_info(struct snd_kcontrol *ctl,
472 struct snd_ctl_elem_info *info)
473 {
474 info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
475 info->count = 1;
476 info->value.integer.min = 0;
477 info->value.integer.max = 1;
478 return 0;
479 }
480
481 static int monitor_get(struct snd_kcontrol *ctl,
482 struct snd_ctl_elem_value *value)
483 {
484 struct oxygen *chip = ctl->private_data;
485 u8 bit = ctl->private_value;
486 int invert = ctl->private_value & (1 << 8);
487
488 value->value.integer.value[0] =
489 !!invert ^ !!(oxygen_read8(chip, OXYGEN_ADC_MONITOR) & bit);
490 return 0;
491 }
492
493 static int monitor_put(struct snd_kcontrol *ctl,
494 struct snd_ctl_elem_value *value)
495 {
496 struct oxygen *chip = ctl->private_data;
497 u8 bit = ctl->private_value;
498 int invert = ctl->private_value & (1 << 8);
499 u8 oldreg, newreg;
500 int changed;
501
502 spin_lock_irq(&chip->reg_lock);
503 oldreg = oxygen_read8(chip, OXYGEN_ADC_MONITOR);
504 if ((!!value->value.integer.value[0] ^ !!invert) != 0)
505 newreg = oldreg | bit;
506 else
507 newreg = oldreg & ~bit;
508 changed = newreg != oldreg;
509 if (changed)
510 oxygen_write8(chip, OXYGEN_ADC_MONITOR, newreg);
511 spin_unlock_irq(&chip->reg_lock);
512 return changed;
513 }
514
515 static int ac97_switch_get(struct snd_kcontrol *ctl,
516 struct snd_ctl_elem_value *value)
517 {
518 struct oxygen *chip = ctl->private_data;
519 unsigned int codec = (ctl->private_value >> 24) & 1;
520 unsigned int index = ctl->private_value & 0xff;
521 unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
522 int invert = ctl->private_value & (1 << 16);
523 u16 reg;
524
525 mutex_lock(&chip->mutex);
526 reg = oxygen_read_ac97(chip, codec, index);
527 mutex_unlock(&chip->mutex);
528 if (!(reg & (1 << bitnr)) ^ !invert)
529 value->value.integer.value[0] = 1;
530 else
531 value->value.integer.value[0] = 0;
532 return 0;
533 }
534
535 static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
536 {
537 unsigned int priv_idx;
538 u16 value;
539
540 if (!chip->controls[control])
541 return;
542 priv_idx = chip->controls[control]->private_value & 0xff;
543 value = oxygen_read_ac97(chip, 0, priv_idx);
544 if (!(value & 0x8000)) {
545 oxygen_write_ac97(chip, 0, priv_idx, value | 0x8000);
546 if (chip->model.ac97_switch)
547 chip->model.ac97_switch(chip, priv_idx, 0x8000);
548 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
549 &chip->controls[control]->id);
550 }
551 }
552
553 static int ac97_switch_put(struct snd_kcontrol *ctl,
554 struct snd_ctl_elem_value *value)
555 {
556 struct oxygen *chip = ctl->private_data;
557 unsigned int codec = (ctl->private_value >> 24) & 1;
558 unsigned int index = ctl->private_value & 0xff;
559 unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
560 int invert = ctl->private_value & (1 << 16);
561 u16 oldreg, newreg;
562 int change;
563
564 mutex_lock(&chip->mutex);
565 oldreg = oxygen_read_ac97(chip, codec, index);
566 newreg = oldreg;
567 if (!value->value.integer.value[0] ^ !invert)
568 newreg |= 1 << bitnr;
569 else
570 newreg &= ~(1 << bitnr);
571 change = newreg != oldreg;
572 if (change) {
573 oxygen_write_ac97(chip, codec, index, newreg);
574 if (codec == 0 && chip->model.ac97_switch)
575 chip->model.ac97_switch(chip, index, newreg & 0x8000);
576 if (index == AC97_LINE) {
577 oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
578 newreg & 0x8000 ?
579 CM9780_GPO0 : 0, CM9780_GPO0);
580 if (!(newreg & 0x8000)) {
581 mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
582 mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
583 mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
584 }
585 } else if ((index == AC97_MIC || index == AC97_CD ||
586 index == AC97_VIDEO || index == AC97_AUX) &&
587 bitnr == 15 && !(newreg & 0x8000)) {
588 mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
589 oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
590 CM9780_GPO0, CM9780_GPO0);
591 }
592 }
593 mutex_unlock(&chip->mutex);
594 return change;
595 }
596
597 static int ac97_volume_info(struct snd_kcontrol *ctl,
598 struct snd_ctl_elem_info *info)
599 {
600 int stereo = (ctl->private_value >> 16) & 1;
601
602 info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
603 info->count = stereo ? 2 : 1;
604 info->value.integer.min = 0;
605 info->value.integer.max = 0x1f;
606 return 0;
607 }
608
609 static int ac97_volume_get(struct snd_kcontrol *ctl,
610 struct snd_ctl_elem_value *value)
611 {
612 struct oxygen *chip = ctl->private_data;
613 unsigned int codec = (ctl->private_value >> 24) & 1;
614 int stereo = (ctl->private_value >> 16) & 1;
615 unsigned int index = ctl->private_value & 0xff;
616 u16 reg;
617
618 mutex_lock(&chip->mutex);
619 reg = oxygen_read_ac97(chip, codec, index);
620 mutex_unlock(&chip->mutex);
621 if (!stereo) {
622 value->value.integer.value[0] = 31 - (reg & 0x1f);
623 } else {
624 value->value.integer.value[0] = 31 - ((reg >> 8) & 0x1f);
625 value->value.integer.value[1] = 31 - (reg & 0x1f);
626 }
627 return 0;
628 }
629
630 static int ac97_volume_put(struct snd_kcontrol *ctl,
631 struct snd_ctl_elem_value *value)
632 {
633 struct oxygen *chip = ctl->private_data;
634 unsigned int codec = (ctl->private_value >> 24) & 1;
635 int stereo = (ctl->private_value >> 16) & 1;
636 unsigned int index = ctl->private_value & 0xff;
637 u16 oldreg, newreg;
638 int change;
639
640 mutex_lock(&chip->mutex);
641 oldreg = oxygen_read_ac97(chip, codec, index);
642 if (!stereo) {
643 newreg = oldreg & ~0x1f;
644 newreg |= 31 - (value->value.integer.value[0] & 0x1f);
645 } else {
646 newreg = oldreg & ~0x1f1f;
647 newreg |= (31 - (value->value.integer.value[0] & 0x1f)) << 8;
648 newreg |= 31 - (value->value.integer.value[1] & 0x1f);
649 }
650 change = newreg != oldreg;
651 if (change)
652 oxygen_write_ac97(chip, codec, index, newreg);
653 mutex_unlock(&chip->mutex);
654 return change;
655 }
656
657 static int mic_fmic_source_info(struct snd_kcontrol *ctl,
658 struct snd_ctl_elem_info *info)
659 {
660 static const char *const names[] = { "Mic Jack", "Front Panel" };
661
662 return snd_ctl_enum_info(info, 1, 2, names);
663 }
664
665 static int mic_fmic_source_get(struct snd_kcontrol *ctl,
666 struct snd_ctl_elem_value *value)
667 {
668 struct oxygen *chip = ctl->private_data;
669
670 mutex_lock(&chip->mutex);
671 value->value.enumerated.item[0] =
672 !!(oxygen_read_ac97(chip, 0, CM9780_JACK) & CM9780_FMIC2MIC);
673 mutex_unlock(&chip->mutex);
674 return 0;
675 }
676
677 static int mic_fmic_source_put(struct snd_kcontrol *ctl,
678 struct snd_ctl_elem_value *value)
679 {
680 struct oxygen *chip = ctl->private_data;
681 u16 oldreg, newreg;
682 int change;
683
684 mutex_lock(&chip->mutex);
685 oldreg = oxygen_read_ac97(chip, 0, CM9780_JACK);
686 if (value->value.enumerated.item[0])
687 newreg = oldreg | CM9780_FMIC2MIC;
688 else
689 newreg = oldreg & ~CM9780_FMIC2MIC;
690 change = newreg != oldreg;
691 if (change)
692 oxygen_write_ac97(chip, 0, CM9780_JACK, newreg);
693 mutex_unlock(&chip->mutex);
694 return change;
695 }
696
697 static int ac97_fp_rec_volume_info(struct snd_kcontrol *ctl,
698 struct snd_ctl_elem_info *info)
699 {
700 info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
701 info->count = 2;
702 info->value.integer.min = 0;
703 info->value.integer.max = 7;
704 return 0;
705 }
706
707 static int ac97_fp_rec_volume_get(struct snd_kcontrol *ctl,
708 struct snd_ctl_elem_value *value)
709 {
710 struct oxygen *chip = ctl->private_data;
711 u16 reg;
712
713 mutex_lock(&chip->mutex);
714 reg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
715 mutex_unlock(&chip->mutex);
716 value->value.integer.value[0] = reg & 7;
717 value->value.integer.value[1] = (reg >> 8) & 7;
718 return 0;
719 }
720
721 static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
722 struct snd_ctl_elem_value *value)
723 {
724 struct oxygen *chip = ctl->private_data;
725 u16 oldreg, newreg;
726 int change;
727
728 mutex_lock(&chip->mutex);
729 oldreg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
730 newreg = oldreg & ~0x0707;
731 newreg = newreg | (value->value.integer.value[0] & 7);
732 newreg = newreg | ((value->value.integer.value[0] & 7) << 8);
733 change = newreg != oldreg;
734 if (change)
735 oxygen_write_ac97(chip, 1, AC97_REC_GAIN, newreg);
736 mutex_unlock(&chip->mutex);
737 return change;
738 }
739
740 #define AC97_SWITCH(xname, codec, index, bitnr, invert) { \
741 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
742 .name = xname, \
743 .info = snd_ctl_boolean_mono_info, \
744 .get = ac97_switch_get, \
745 .put = ac97_switch_put, \
746 .private_value = ((codec) << 24) | ((invert) << 16) | \
747 ((bitnr) << 8) | (index), \
748 }
749 #define AC97_VOLUME(xname, codec, index, stereo) { \
750 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
751 .name = xname, \
752 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
753 SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
754 .info = ac97_volume_info, \
755 .get = ac97_volume_get, \
756 .put = ac97_volume_put, \
757 .tlv = { .p = ac97_db_scale, }, \
758 .private_value = ((codec) << 24) | ((stereo) << 16) | (index), \
759 }
760
761 static DECLARE_TLV_DB_SCALE(monitor_db_scale, -600, 600, 0);
762 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
763 static DECLARE_TLV_DB_SCALE(ac97_rec_db_scale, 0, 150, 0);
764
765 static const struct snd_kcontrol_new controls[] = {
766 {
767 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
768 .name = "Master Playback Volume",
769 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
770 .info = dac_volume_info,
771 .get = dac_volume_get,
772 .put = dac_volume_put,
773 },
774 {
775 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
776 .name = "Master Playback Switch",
777 .info = snd_ctl_boolean_mono_info,
778 .get = dac_mute_get,
779 .put = dac_mute_put,
780 },
781 {
782 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
783 .name = "Stereo Upmixing",
784 .info = upmix_info,
785 .get = upmix_get,
786 .put = upmix_put,
787 },
788 {
789 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
790 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
791 .info = snd_ctl_boolean_mono_info,
792 .get = spdif_switch_get,
793 .put = spdif_switch_put,
794 },
795 {
796 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
797 .device = 1,
798 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
799 .info = spdif_info,
800 .get = spdif_default_get,
801 .put = spdif_default_put,
802 },
803 {
804 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
805 .device = 1,
806 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
807 .access = SNDRV_CTL_ELEM_ACCESS_READ,
808 .info = spdif_info,
809 .get = spdif_mask_get,
810 },
811 {
812 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
813 .device = 1,
814 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
815 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
816 SNDRV_CTL_ELEM_ACCESS_INACTIVE,
817 .info = spdif_info,
818 .get = spdif_pcm_get,
819 .put = spdif_pcm_put,
820 },
821 };
822
823 static const struct snd_kcontrol_new spdif_input_controls[] = {
824 {
825 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
826 .device = 1,
827 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
828 .access = SNDRV_CTL_ELEM_ACCESS_READ,
829 .info = spdif_info,
830 .get = spdif_input_mask_get,
831 },
832 {
833 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
834 .device = 1,
835 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
836 .access = SNDRV_CTL_ELEM_ACCESS_READ,
837 .info = spdif_info,
838 .get = spdif_input_default_get,
839 },
840 {
841 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
842 .name = SNDRV_CTL_NAME_IEC958("Loopback ", NONE, 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_LOOPBACK,
847 },
848 {
849 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
850 .name = SNDRV_CTL_NAME_IEC958("Validity Check ",CAPTURE,SWITCH),
851 .info = snd_ctl_boolean_mono_info,
852 .get = spdif_bit_switch_get,
853 .put = spdif_bit_switch_put,
854 .private_value = OXYGEN_SPDIF_SPDVALID,
855 },
856 };
857
858 static const struct {
859 unsigned int pcm_dev;
860 struct snd_kcontrol_new controls[2];
861 } monitor_controls[] = {
862 {
863 .pcm_dev = CAPTURE_0_FROM_I2S_1,
864 .controls = {
865 {
866 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
867 .name = "Analog Input Monitor Playback Switch",
868 .info = snd_ctl_boolean_mono_info,
869 .get = monitor_get,
870 .put = monitor_put,
871 .private_value = OXYGEN_ADC_MONITOR_A,
872 },
873 {
874 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
875 .name = "Analog Input Monitor Playback Volume",
876 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
877 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
878 .info = monitor_volume_info,
879 .get = monitor_get,
880 .put = monitor_put,
881 .private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL
882 | (1 << 8),
883 .tlv = { .p = monitor_db_scale, },
884 },
885 },
886 },
887 {
888 .pcm_dev = CAPTURE_0_FROM_I2S_2,
889 .controls = {
890 {
891 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
892 .name = "Analog Input Monitor Playback Switch",
893 .info = snd_ctl_boolean_mono_info,
894 .get = monitor_get,
895 .put = monitor_put,
896 .private_value = OXYGEN_ADC_MONITOR_B,
897 },
898 {
899 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
900 .name = "Analog Input Monitor Playback Volume",
901 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
902 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
903 .info = monitor_volume_info,
904 .get = monitor_get,
905 .put = monitor_put,
906 .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
907 | (1 << 8),
908 .tlv = { .p = monitor_db_scale, },
909 },
910 },
911 },
912 {
913 .pcm_dev = CAPTURE_2_FROM_I2S_2,
914 .controls = {
915 {
916 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
917 .name = "Analog Input Monitor Playback Switch",
918 .index = 1,
919 .info = snd_ctl_boolean_mono_info,
920 .get = monitor_get,
921 .put = monitor_put,
922 .private_value = OXYGEN_ADC_MONITOR_B,
923 },
924 {
925 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
926 .name = "Analog Input Monitor Playback Volume",
927 .index = 1,
928 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
929 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
930 .info = monitor_volume_info,
931 .get = monitor_get,
932 .put = monitor_put,
933 .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
934 | (1 << 8),
935 .tlv = { .p = monitor_db_scale, },
936 },
937 },
938 },
939 {
940 .pcm_dev = CAPTURE_1_FROM_SPDIF,
941 .controls = {
942 {
943 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
944 .name = "Digital Input Monitor Playback Switch",
945 .info = snd_ctl_boolean_mono_info,
946 .get = monitor_get,
947 .put = monitor_put,
948 .private_value = OXYGEN_ADC_MONITOR_C,
949 },
950 {
951 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
952 .name = "Digital Input Monitor Playback Volume",
953 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
954 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
955 .info = monitor_volume_info,
956 .get = monitor_get,
957 .put = monitor_put,
958 .private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
959 | (1 << 8),
960 .tlv = { .p = monitor_db_scale, },
961 },
962 },
963 },
964 };
965
966 static const struct snd_kcontrol_new ac97_controls[] = {
967 AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC, 0),
968 AC97_SWITCH("Mic Capture Switch", 0, AC97_MIC, 15, 1),
969 AC97_SWITCH("Mic Boost (+20dB)", 0, AC97_MIC, 6, 0),
970 {
971 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
972 .name = "Mic Source Capture Enum",
973 .info = mic_fmic_source_info,
974 .get = mic_fmic_source_get,
975 .put = mic_fmic_source_put,
976 },
977 AC97_SWITCH("Line Capture Switch", 0, AC97_LINE, 15, 1),
978 AC97_VOLUME("CD Capture Volume", 0, AC97_CD, 1),
979 AC97_SWITCH("CD Capture Switch", 0, AC97_CD, 15, 1),
980 AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX, 1),
981 AC97_SWITCH("Aux Capture Switch", 0, AC97_AUX, 15, 1),
982 };
983
984 static const struct snd_kcontrol_new ac97_fp_controls[] = {
985 AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE, 1),
986 AC97_SWITCH("Front Panel Playback Switch", 1, AC97_HEADPHONE, 15, 1),
987 {
988 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
989 .name = "Front Panel Capture Volume",
990 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
991 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
992 .info = ac97_fp_rec_volume_info,
993 .get = ac97_fp_rec_volume_get,
994 .put = ac97_fp_rec_volume_put,
995 .tlv = { .p = ac97_rec_db_scale, },
996 },
997 AC97_SWITCH("Front Panel Capture Switch", 1, AC97_REC_GAIN, 15, 1),
998 };
999
1000 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
1001 {
1002 struct oxygen *chip = ctl->private_data;
1003 unsigned int i;
1004
1005 /* I'm too lazy to write a function for each control :-) */
1006 for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
1007 chip->controls[i] = NULL;
1008 }
1009
1010 static int add_controls(struct oxygen *chip,
1011 const struct snd_kcontrol_new controls[],
1012 unsigned int count)
1013 {
1014 static const char *const known_ctl_names[CONTROL_COUNT] = {
1015 [CONTROL_SPDIF_PCM] =
1016 SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
1017 [CONTROL_SPDIF_INPUT_BITS] =
1018 SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
1019 [CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
1020 [CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
1021 [CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
1022 [CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
1023 };
1024 unsigned int i, j;
1025 struct snd_kcontrol_new template;
1026 struct snd_kcontrol *ctl;
1027 int err;
1028
1029 for (i = 0; i < count; ++i) {
1030 template = controls[i];
1031 if (chip->model.control_filter) {
1032 err = chip->model.control_filter(&template);
1033 if (err < 0)
1034 return err;
1035 if (err == 1)
1036 continue;
1037 }
1038 if (!strcmp(template.name, "Stereo Upmixing") &&
1039 chip->model.dac_channels_pcm == 2)
1040 continue;
1041 if (!strcmp(template.name, "Mic Source Capture Enum") &&
1042 !(chip->model.device_config & AC97_FMIC_SWITCH))
1043 continue;
1044 if (!strncmp(template.name, "CD Capture ", 11) &&
1045 !(chip->model.device_config & AC97_CD_INPUT))
1046 continue;
1047 if (!strcmp(template.name, "Master Playback Volume") &&
1048 chip->model.dac_tlv) {
1049 template.tlv.p = chip->model.dac_tlv;
1050 template.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1051 }
1052 ctl = snd_ctl_new1(&template, chip);
1053 if (!ctl)
1054 return -ENOMEM;
1055 err = snd_ctl_add(chip->card, ctl);
1056 if (err < 0)
1057 return err;
1058 for (j = 0; j < CONTROL_COUNT; ++j)
1059 if (!strcmp(ctl->id.name, known_ctl_names[j])) {
1060 chip->controls[j] = ctl;
1061 ctl->private_free = oxygen_any_ctl_free;
1062 }
1063 }
1064 return 0;
1065 }
1066
1067 int oxygen_mixer_init(struct oxygen *chip)
1068 {
1069 unsigned int i;
1070 int err;
1071
1072 err = add_controls(chip, controls, ARRAY_SIZE(controls));
1073 if (err < 0)
1074 return err;
1075 if (chip->model.device_config & CAPTURE_1_FROM_SPDIF) {
1076 err = add_controls(chip, spdif_input_controls,
1077 ARRAY_SIZE(spdif_input_controls));
1078 if (err < 0)
1079 return err;
1080 }
1081 for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
1082 if (!(chip->model.device_config & monitor_controls[i].pcm_dev))
1083 continue;
1084 err = add_controls(chip, monitor_controls[i].controls,
1085 ARRAY_SIZE(monitor_controls[i].controls));
1086 if (err < 0)
1087 return err;
1088 }
1089 if (chip->has_ac97_0) {
1090 err = add_controls(chip, ac97_controls,
1091 ARRAY_SIZE(ac97_controls));
1092 if (err < 0)
1093 return err;
1094 }
1095 if (chip->has_ac97_1) {
1096 err = add_controls(chip, ac97_fp_controls,
1097 ARRAY_SIZE(ac97_fp_controls));
1098 if (err < 0)
1099 return err;
1100 }
1101 return chip->model.mixer_init ? chip->model.mixer_init(chip) : 0;
1102 }