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GUI: Fix Tomato RAF theme for all builds. Compilation typo.
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / sound / pci / oxygen / oxygen_mixer.c
blobf375b8a27862452bb6ec24b4f46028136910263a
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;
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; ++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; ++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 int upmix_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
101 {
102 static const char *const names[5] = {
103 "Front",
104 "Front+Surround",
105 "Front+Surround+Back",
106 "Front+Surround+Center/LFE",
107 "Front+Surround+Center/LFE+Back",
108 };
109 struct oxygen *chip = ctl->private_data;
110 unsigned int count = chip->model.update_center_lfe_mix ? 5 : 3;
111
112 info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
113 info->count = 1;
114 info->value.enumerated.items = count;
115 if (info->value.enumerated.item >= count)
116 info->value.enumerated.item = count - 1;
117 strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
118 return 0;
119 }
120
121 static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
122 {
123 struct oxygen *chip = ctl->private_data;
124
125 mutex_lock(&chip->mutex);
126 value->value.enumerated.item[0] = chip->dac_routing;
127 mutex_unlock(&chip->mutex);
128 return 0;
129 }
130
131 void oxygen_update_dac_routing(struct oxygen *chip)
132 {
133 /* DAC 0: front, DAC 1: surround, DAC 2: center/LFE, DAC 3: back */
134 static const unsigned int reg_values[5] = {
135 /* stereo -> front */
136 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
137 (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
138 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
139 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
140 /* stereo -> front+surround */
141 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
142 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
143 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
144 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
145 /* stereo -> front+surround+back */
146 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
147 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
148 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
149 (0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
150 /* stereo -> front+surround+center/LFE */
151 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
152 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
153 (0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
154 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
155 /* stereo -> front+surround+center/LFE+back */
156 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
157 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
158 (0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
159 (0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
160 };
161 u8 channels;
162 unsigned int reg_value;
163
164 channels = oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
165 OXYGEN_PLAY_CHANNELS_MASK;
166 if (channels == OXYGEN_PLAY_CHANNELS_2)
167 reg_value = reg_values[chip->dac_routing];
168 else if (channels == OXYGEN_PLAY_CHANNELS_8)
169 /* in 7.1 mode, "rear" channels go to the "back" jack */
170 reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
171 (3 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
172 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
173 (1 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
174 else
175 reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
176 (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
177 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
178 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
179 oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value,
180 OXYGEN_PLAY_DAC0_SOURCE_MASK |
181 OXYGEN_PLAY_DAC1_SOURCE_MASK |
182 OXYGEN_PLAY_DAC2_SOURCE_MASK |
183 OXYGEN_PLAY_DAC3_SOURCE_MASK);
184 if (chip->model.update_center_lfe_mix)
185 chip->model.update_center_lfe_mix(chip, chip->dac_routing > 2);
186 }
187
188 static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
189 {
190 struct oxygen *chip = ctl->private_data;
191 unsigned int count = chip->model.update_center_lfe_mix ? 5 : 3;
192 int changed;
193
194 if (value->value.enumerated.item[0] >= count)
195 return -EINVAL;
196 mutex_lock(&chip->mutex);
197 changed = value->value.enumerated.item[0] != chip->dac_routing;
198 if (changed) {
199 chip->dac_routing = value->value.enumerated.item[0];
200 oxygen_update_dac_routing(chip);
201 }
202 mutex_unlock(&chip->mutex);
203 return changed;
204 }
205
206 static int spdif_switch_get(struct snd_kcontrol *ctl,
207 struct snd_ctl_elem_value *value)
208 {
209 struct oxygen *chip = ctl->private_data;
210
211 mutex_lock(&chip->mutex);
212 value->value.integer.value[0] = chip->spdif_playback_enable;
213 mutex_unlock(&chip->mutex);
214 return 0;
215 }
216
217 static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
218 {
219 switch (oxygen_rate) {
220 case OXYGEN_RATE_32000:
221 return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
222 case OXYGEN_RATE_44100:
223 return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
224 default: /* OXYGEN_RATE_48000 */
225 return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
226 case OXYGEN_RATE_64000:
227 return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
228 case OXYGEN_RATE_88200:
229 return IEC958_AES3_CON_FS_88200 << OXYGEN_SPDIF_CS_RATE_SHIFT;
230 case OXYGEN_RATE_96000:
231 return IEC958_AES3_CON_FS_96000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
232 case OXYGEN_RATE_176400:
233 return IEC958_AES3_CON_FS_176400 << OXYGEN_SPDIF_CS_RATE_SHIFT;
234 case OXYGEN_RATE_192000:
235 return IEC958_AES3_CON_FS_192000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
236 }
237 }
238
239 void oxygen_update_spdif_source(struct oxygen *chip)
240 {
241 u32 old_control, new_control;
242 u16 old_routing, new_routing;
243 unsigned int oxygen_rate;
244
245 old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
246 old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
247 if (chip->pcm_active & (1 << PCM_SPDIF)) {
248 new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
249 new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
250 | OXYGEN_PLAY_SPDIF_SPDIF;
251 oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
252 & OXYGEN_I2S_RATE_MASK;
253 /* S/PDIF rate was already set by the caller */
254 } else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
255 chip->spdif_playback_enable) {
256 new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
257 | OXYGEN_PLAY_SPDIF_MULTICH_01;
258 oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
259 & OXYGEN_I2S_RATE_MASK;
260 new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
261 (oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
262 OXYGEN_SPDIF_OUT_ENABLE;
263 } else {
264 new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
265 new_routing = old_routing;
266 oxygen_rate = OXYGEN_RATE_44100;
267 }
268 if (old_routing != new_routing) {
269 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
270 new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
271 oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
272 }
273 if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
274 oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
275 oxygen_spdif_rate(oxygen_rate) |
276 ((chip->pcm_active & (1 << PCM_SPDIF)) ?
277 chip->spdif_pcm_bits : chip->spdif_bits));
278 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
279 }
280
281 static int spdif_switch_put(struct snd_kcontrol *ctl,
282 struct snd_ctl_elem_value *value)
283 {
284 struct oxygen *chip = ctl->private_data;
285 int changed;
286
287 mutex_lock(&chip->mutex);
288 changed = value->value.integer.value[0] != chip->spdif_playback_enable;
289 if (changed) {
290 chip->spdif_playback_enable = !!value->value.integer.value[0];
291 spin_lock_irq(&chip->reg_lock);
292 oxygen_update_spdif_source(chip);
293 spin_unlock_irq(&chip->reg_lock);
294 }
295 mutex_unlock(&chip->mutex);
296 return changed;
297 }
298
299 static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
300 {
301 info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
302 info->count = 1;
303 return 0;
304 }
305
306 static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
307 {
308 value->value.iec958.status[0] =
309 bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
310 OXYGEN_SPDIF_PREEMPHASIS);
311 value->value.iec958.status[1] = /* category and original */
312 bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
313 }
314
315 static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
316 {
317 u32 bits;
318
319 bits = value->value.iec958.status[0] &
320 (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
321 OXYGEN_SPDIF_PREEMPHASIS);
322 bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
323 if (bits & OXYGEN_SPDIF_NONAUDIO)
324 bits |= OXYGEN_SPDIF_V;
325 return bits;
326 }
327
328 static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
329 {
330 oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
331 OXYGEN_SPDIF_NONAUDIO |
332 OXYGEN_SPDIF_C |
333 OXYGEN_SPDIF_PREEMPHASIS |
334 OXYGEN_SPDIF_CATEGORY_MASK |
335 OXYGEN_SPDIF_ORIGINAL |
336 OXYGEN_SPDIF_V);
337 }
338
339 static int spdif_default_get(struct snd_kcontrol *ctl,
340 struct snd_ctl_elem_value *value)
341 {
342 struct oxygen *chip = ctl->private_data;
343
344 mutex_lock(&chip->mutex);
345 oxygen_to_iec958(chip->spdif_bits, value);
346 mutex_unlock(&chip->mutex);
347 return 0;
348 }
349
350 static int spdif_default_put(struct snd_kcontrol *ctl,
351 struct snd_ctl_elem_value *value)
352 {
353 struct oxygen *chip = ctl->private_data;
354 u32 new_bits;
355 int changed;
356
357 new_bits = iec958_to_oxygen(value);
358 mutex_lock(&chip->mutex);
359 changed = new_bits != chip->spdif_bits;
360 if (changed) {
361 chip->spdif_bits = new_bits;
362 if (!(chip->pcm_active & (1 << PCM_SPDIF)))
363 write_spdif_bits(chip, new_bits);
364 }
365 mutex_unlock(&chip->mutex);
366 return changed;
367 }
368
369 static int spdif_mask_get(struct snd_kcontrol *ctl,
370 struct snd_ctl_elem_value *value)
371 {
372 value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
373 IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
374 value->value.iec958.status[1] =
375 IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
376 return 0;
377 }
378
379 static int spdif_pcm_get(struct snd_kcontrol *ctl,
380 struct snd_ctl_elem_value *value)
381 {
382 struct oxygen *chip = ctl->private_data;
383
384 mutex_lock(&chip->mutex);
385 oxygen_to_iec958(chip->spdif_pcm_bits, value);
386 mutex_unlock(&chip->mutex);
387 return 0;
388 }
389
390 static int spdif_pcm_put(struct snd_kcontrol *ctl,
391 struct snd_ctl_elem_value *value)
392 {
393 struct oxygen *chip = ctl->private_data;
394 u32 new_bits;
395 int changed;
396
397 new_bits = iec958_to_oxygen(value);
398 mutex_lock(&chip->mutex);
399 changed = new_bits != chip->spdif_pcm_bits;
400 if (changed) {
401 chip->spdif_pcm_bits = new_bits;
402 if (chip->pcm_active & (1 << PCM_SPDIF))
403 write_spdif_bits(chip, new_bits);
404 }
405 mutex_unlock(&chip->mutex);
406 return changed;
407 }
408
409 static int spdif_input_mask_get(struct snd_kcontrol *ctl,
410 struct snd_ctl_elem_value *value)
411 {
412 value->value.iec958.status[0] = 0xff;
413 value->value.iec958.status[1] = 0xff;
414 value->value.iec958.status[2] = 0xff;
415 value->value.iec958.status[3] = 0xff;
416 return 0;
417 }
418
419 static int spdif_input_default_get(struct snd_kcontrol *ctl,
420 struct snd_ctl_elem_value *value)
421 {
422 struct oxygen *chip = ctl->private_data;
423 u32 bits;
424
425 bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
426 value->value.iec958.status[0] = bits;
427 value->value.iec958.status[1] = bits >> 8;
428 value->value.iec958.status[2] = bits >> 16;
429 value->value.iec958.status[3] = bits >> 24;
430 return 0;
431 }
432
433 static int spdif_loopback_get(struct snd_kcontrol *ctl,
434 struct snd_ctl_elem_value *value)
435 {
436 struct oxygen *chip = ctl->private_data;
437
438 value->value.integer.value[0] =
439 !!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL)
440 & OXYGEN_SPDIF_LOOPBACK);
441 return 0;
442 }
443
444 static int spdif_loopback_put(struct snd_kcontrol *ctl,
445 struct snd_ctl_elem_value *value)
446 {
447 struct oxygen *chip = ctl->private_data;
448 u32 oldreg, newreg;
449 int changed;
450
451 spin_lock_irq(&chip->reg_lock);
452 oldreg = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
453 if (value->value.integer.value[0])
454 newreg = oldreg | OXYGEN_SPDIF_LOOPBACK;
455 else
456 newreg = oldreg & ~OXYGEN_SPDIF_LOOPBACK;
457 changed = newreg != oldreg;
458 if (changed)
459 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, newreg);
460 spin_unlock_irq(&chip->reg_lock);
461 return changed;
462 }
463
464 static int monitor_volume_info(struct snd_kcontrol *ctl,
465 struct snd_ctl_elem_info *info)
466 {
467 info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
468 info->count = 1;
469 info->value.integer.min = 0;
470 info->value.integer.max = 1;
471 return 0;
472 }
473
474 static int monitor_get(struct snd_kcontrol *ctl,
475 struct snd_ctl_elem_value *value)
476 {
477 struct oxygen *chip = ctl->private_data;
478 u8 bit = ctl->private_value;
479 int invert = ctl->private_value & (1 << 8);
480
481 value->value.integer.value[0] =
482 !!invert ^ !!(oxygen_read8(chip, OXYGEN_ADC_MONITOR) & bit);
483 return 0;
484 }
485
486 static int monitor_put(struct snd_kcontrol *ctl,
487 struct snd_ctl_elem_value *value)
488 {
489 struct oxygen *chip = ctl->private_data;
490 u8 bit = ctl->private_value;
491 int invert = ctl->private_value & (1 << 8);
492 u8 oldreg, newreg;
493 int changed;
494
495 spin_lock_irq(&chip->reg_lock);
496 oldreg = oxygen_read8(chip, OXYGEN_ADC_MONITOR);
497 if ((!!value->value.integer.value[0] ^ !!invert) != 0)
498 newreg = oldreg | bit;
499 else
500 newreg = oldreg & ~bit;
501 changed = newreg != oldreg;
502 if (changed)
503 oxygen_write8(chip, OXYGEN_ADC_MONITOR, newreg);
504 spin_unlock_irq(&chip->reg_lock);
505 return changed;
506 }
507
508 static int ac97_switch_get(struct snd_kcontrol *ctl,
509 struct snd_ctl_elem_value *value)
510 {
511 struct oxygen *chip = ctl->private_data;
512 unsigned int codec = (ctl->private_value >> 24) & 1;
513 unsigned int index = ctl->private_value & 0xff;
514 unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
515 int invert = ctl->private_value & (1 << 16);
516 u16 reg;
517
518 mutex_lock(&chip->mutex);
519 reg = oxygen_read_ac97(chip, codec, index);
520 mutex_unlock(&chip->mutex);
521 if (!(reg & (1 << bitnr)) ^ !invert)
522 value->value.integer.value[0] = 1;
523 else
524 value->value.integer.value[0] = 0;
525 return 0;
526 }
527
528 static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
529 {
530 unsigned int priv_idx;
531 u16 value;
532
533 if (!chip->controls[control])
534 return;
535 priv_idx = chip->controls[control]->private_value & 0xff;
536 value = oxygen_read_ac97(chip, 0, priv_idx);
537 if (!(value & 0x8000)) {
538 oxygen_write_ac97(chip, 0, priv_idx, value | 0x8000);
539 if (chip->model.ac97_switch)
540 chip->model.ac97_switch(chip, priv_idx, 0x8000);
541 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
542 &chip->controls[control]->id);
543 }
544 }
545
546 static int ac97_switch_put(struct snd_kcontrol *ctl,
547 struct snd_ctl_elem_value *value)
548 {
549 struct oxygen *chip = ctl->private_data;
550 unsigned int codec = (ctl->private_value >> 24) & 1;
551 unsigned int index = ctl->private_value & 0xff;
552 unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
553 int invert = ctl->private_value & (1 << 16);
554 u16 oldreg, newreg;
555 int change;
556
557 mutex_lock(&chip->mutex);
558 oldreg = oxygen_read_ac97(chip, codec, index);
559 newreg = oldreg;
560 if (!value->value.integer.value[0] ^ !invert)
561 newreg |= 1 << bitnr;
562 else
563 newreg &= ~(1 << bitnr);
564 change = newreg != oldreg;
565 if (change) {
566 oxygen_write_ac97(chip, codec, index, newreg);
567 if (codec == 0 && chip->model.ac97_switch)
568 chip->model.ac97_switch(chip, index, newreg & 0x8000);
569 if (index == AC97_LINE) {
570 oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
571 newreg & 0x8000 ?
572 CM9780_GPO0 : 0, CM9780_GPO0);
573 if (!(newreg & 0x8000)) {
574 mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
575 mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
576 mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
577 }
578 } else if ((index == AC97_MIC || index == AC97_CD ||
579 index == AC97_VIDEO || index == AC97_AUX) &&
580 bitnr == 15 && !(newreg & 0x8000)) {
581 mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
582 oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
583 CM9780_GPO0, CM9780_GPO0);
584 }
585 }
586 mutex_unlock(&chip->mutex);
587 return change;
588 }
589
590 static int ac97_volume_info(struct snd_kcontrol *ctl,
591 struct snd_ctl_elem_info *info)
592 {
593 int stereo = (ctl->private_value >> 16) & 1;
594
595 info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
596 info->count = stereo ? 2 : 1;
597 info->value.integer.min = 0;
598 info->value.integer.max = 0x1f;
599 return 0;
600 }
601
602 static int ac97_volume_get(struct snd_kcontrol *ctl,
603 struct snd_ctl_elem_value *value)
604 {
605 struct oxygen *chip = ctl->private_data;
606 unsigned int codec = (ctl->private_value >> 24) & 1;
607 int stereo = (ctl->private_value >> 16) & 1;
608 unsigned int index = ctl->private_value & 0xff;
609 u16 reg;
610
611 mutex_lock(&chip->mutex);
612 reg = oxygen_read_ac97(chip, codec, index);
613 mutex_unlock(&chip->mutex);
614 value->value.integer.value[0] = 31 - (reg & 0x1f);
615 if (stereo)
616 value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f);
617 return 0;
618 }
619
620 static int ac97_volume_put(struct snd_kcontrol *ctl,
621 struct snd_ctl_elem_value *value)
622 {
623 struct oxygen *chip = ctl->private_data;
624 unsigned int codec = (ctl->private_value >> 24) & 1;
625 int stereo = (ctl->private_value >> 16) & 1;
626 unsigned int index = ctl->private_value & 0xff;
627 u16 oldreg, newreg;
628 int change;
629
630 mutex_lock(&chip->mutex);
631 oldreg = oxygen_read_ac97(chip, codec, index);
632 newreg = oldreg;
633 newreg = (newreg & ~0x1f) |
634 (31 - (value->value.integer.value[0] & 0x1f));
635 if (stereo)
636 newreg = (newreg & ~0x1f00) |
637 ((31 - (value->value.integer.value[1] & 0x1f)) << 8);
638 else
639 newreg = (newreg & ~0x1f00) | ((newreg & 0x1f) << 8);
640 change = newreg != oldreg;
641 if (change)
642 oxygen_write_ac97(chip, codec, index, newreg);
643 mutex_unlock(&chip->mutex);
644 return change;
645 }
646
647 static int ac97_fp_rec_volume_info(struct snd_kcontrol *ctl,
648 struct snd_ctl_elem_info *info)
649 {
650 info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
651 info->count = 2;
652 info->value.integer.min = 0;
653 info->value.integer.max = 7;
654 return 0;
655 }
656
657 static int ac97_fp_rec_volume_get(struct snd_kcontrol *ctl,
658 struct snd_ctl_elem_value *value)
659 {
660 struct oxygen *chip = ctl->private_data;
661 u16 reg;
662
663 mutex_lock(&chip->mutex);
664 reg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
665 mutex_unlock(&chip->mutex);
666 value->value.integer.value[0] = reg & 7;
667 value->value.integer.value[1] = (reg >> 8) & 7;
668 return 0;
669 }
670
671 static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
672 struct snd_ctl_elem_value *value)
673 {
674 struct oxygen *chip = ctl->private_data;
675 u16 oldreg, newreg;
676 int change;
677
678 mutex_lock(&chip->mutex);
679 oldreg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
680 newreg = oldreg & ~0x0707;
681 newreg = newreg | (value->value.integer.value[0] & 7);
682 newreg = newreg | ((value->value.integer.value[0] & 7) << 8);
683 change = newreg != oldreg;
684 if (change)
685 oxygen_write_ac97(chip, 1, AC97_REC_GAIN, newreg);
686 mutex_unlock(&chip->mutex);
687 return change;
688 }
689
690 #define AC97_SWITCH(xname, codec, index, bitnr, invert) { \
691 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
692 .name = xname, \
693 .info = snd_ctl_boolean_mono_info, \
694 .get = ac97_switch_get, \
695 .put = ac97_switch_put, \
696 .private_value = ((codec) << 24) | ((invert) << 16) | \
697 ((bitnr) << 8) | (index), \
698 }
699 #define AC97_VOLUME(xname, codec, index, stereo) { \
700 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
701 .name = xname, \
702 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
703 SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
704 .info = ac97_volume_info, \
705 .get = ac97_volume_get, \
706 .put = ac97_volume_put, \
707 .tlv = { .p = ac97_db_scale, }, \
708 .private_value = ((codec) << 24) | ((stereo) << 16) | (index), \
709 }
710
711 static DECLARE_TLV_DB_SCALE(monitor_db_scale, -1000, 1000, 0);
712 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
713 static DECLARE_TLV_DB_SCALE(ac97_rec_db_scale, 0, 150, 0);
714
715 static const struct snd_kcontrol_new controls[] = {
716 {
717 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
718 .name = "Master Playback Volume",
719 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
720 .info = dac_volume_info,
721 .get = dac_volume_get,
722 .put = dac_volume_put,
723 },
724 {
725 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
726 .name = "Master Playback Switch",
727 .info = snd_ctl_boolean_mono_info,
728 .get = dac_mute_get,
729 .put = dac_mute_put,
730 },
731 {
732 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
733 .name = "Stereo Upmixing",
734 .info = upmix_info,
735 .get = upmix_get,
736 .put = upmix_put,
737 },
738 {
739 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
740 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
741 .info = snd_ctl_boolean_mono_info,
742 .get = spdif_switch_get,
743 .put = spdif_switch_put,
744 },
745 {
746 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
747 .device = 1,
748 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
749 .info = spdif_info,
750 .get = spdif_default_get,
751 .put = spdif_default_put,
752 },
753 {
754 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
755 .device = 1,
756 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
757 .access = SNDRV_CTL_ELEM_ACCESS_READ,
758 .info = spdif_info,
759 .get = spdif_mask_get,
760 },
761 {
762 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
763 .device = 1,
764 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
765 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
766 SNDRV_CTL_ELEM_ACCESS_INACTIVE,
767 .info = spdif_info,
768 .get = spdif_pcm_get,
769 .put = spdif_pcm_put,
770 },
771 };
772
773 static const struct snd_kcontrol_new spdif_input_controls[] = {
774 {
775 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
776 .device = 1,
777 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
778 .access = SNDRV_CTL_ELEM_ACCESS_READ,
779 .info = spdif_info,
780 .get = spdif_input_mask_get,
781 },
782 {
783 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
784 .device = 1,
785 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
786 .access = SNDRV_CTL_ELEM_ACCESS_READ,
787 .info = spdif_info,
788 .get = spdif_input_default_get,
789 },
790 {
791 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
792 .name = SNDRV_CTL_NAME_IEC958("Loopback ", NONE, SWITCH),
793 .info = snd_ctl_boolean_mono_info,
794 .get = spdif_loopback_get,
795 .put = spdif_loopback_put,
796 },
797 };
798
799 static const struct {
800 unsigned int pcm_dev;
801 struct snd_kcontrol_new controls[2];
802 } monitor_controls[] = {
803 {
804 .pcm_dev = CAPTURE_0_FROM_I2S_1,
805 .controls = {
806 {
807 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
808 .name = "Analog Input Monitor Playback Switch",
809 .info = snd_ctl_boolean_mono_info,
810 .get = monitor_get,
811 .put = monitor_put,
812 .private_value = OXYGEN_ADC_MONITOR_A,
813 },
814 {
815 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
816 .name = "Analog Input Monitor Playback Volume",
817 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
818 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
819 .info = monitor_volume_info,
820 .get = monitor_get,
821 .put = monitor_put,
822 .private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL
823 | (1 << 8),
824 .tlv = { .p = monitor_db_scale, },
825 },
826 },
827 },
828 {
829 .pcm_dev = CAPTURE_0_FROM_I2S_2,
830 .controls = {
831 {
832 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
833 .name = "Analog Input Monitor Playback Switch",
834 .info = snd_ctl_boolean_mono_info,
835 .get = monitor_get,
836 .put = monitor_put,
837 .private_value = OXYGEN_ADC_MONITOR_B,
838 },
839 {
840 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
841 .name = "Analog Input Monitor Playback Volume",
842 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
843 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
844 .info = monitor_volume_info,
845 .get = monitor_get,
846 .put = monitor_put,
847 .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
848 | (1 << 8),
849 .tlv = { .p = monitor_db_scale, },
850 },
851 },
852 },
853 {
854 .pcm_dev = CAPTURE_2_FROM_I2S_2,
855 .controls = {
856 {
857 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
858 .name = "Analog Input Monitor Playback Switch",
859 .index = 1,
860 .info = snd_ctl_boolean_mono_info,
861 .get = monitor_get,
862 .put = monitor_put,
863 .private_value = OXYGEN_ADC_MONITOR_B,
864 },
865 {
866 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
867 .name = "Analog Input Monitor Playback Volume",
868 .index = 1,
869 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
870 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
871 .info = monitor_volume_info,
872 .get = monitor_get,
873 .put = monitor_put,
874 .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
875 | (1 << 8),
876 .tlv = { .p = monitor_db_scale, },
877 },
878 },
879 },
880 {
881 .pcm_dev = CAPTURE_1_FROM_SPDIF,
882 .controls = {
883 {
884 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
885 .name = "Digital Input Monitor Playback Switch",
886 .info = snd_ctl_boolean_mono_info,
887 .get = monitor_get,
888 .put = monitor_put,
889 .private_value = OXYGEN_ADC_MONITOR_C,
890 },
891 {
892 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
893 .name = "Digital Input Monitor Playback Volume",
894 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
895 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
896 .info = monitor_volume_info,
897 .get = monitor_get,
898 .put = monitor_put,
899 .private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
900 | (1 << 8),
901 .tlv = { .p = monitor_db_scale, },
902 },
903 },
904 },
905 };
906
907 static const struct snd_kcontrol_new ac97_controls[] = {
908 AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC, 0),
909 AC97_SWITCH("Mic Capture Switch", 0, AC97_MIC, 15, 1),
910 AC97_SWITCH("Mic Boost (+20dB)", 0, AC97_MIC, 6, 0),
911 AC97_SWITCH("Line Capture Switch", 0, AC97_LINE, 15, 1),
912 AC97_VOLUME("CD Capture Volume", 0, AC97_CD, 1),
913 AC97_SWITCH("CD Capture Switch", 0, AC97_CD, 15, 1),
914 AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX, 1),
915 AC97_SWITCH("Aux Capture Switch", 0, AC97_AUX, 15, 1),
916 };
917
918 static const struct snd_kcontrol_new ac97_fp_controls[] = {
919 AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE, 1),
920 AC97_SWITCH("Front Panel Playback Switch", 1, AC97_HEADPHONE, 15, 1),
921 {
922 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
923 .name = "Front Panel Capture Volume",
924 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
925 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
926 .info = ac97_fp_rec_volume_info,
927 .get = ac97_fp_rec_volume_get,
928 .put = ac97_fp_rec_volume_put,
929 .tlv = { .p = ac97_rec_db_scale, },
930 },
931 AC97_SWITCH("Front Panel Capture Switch", 1, AC97_REC_GAIN, 15, 1),
932 };
933
934 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
935 {
936 struct oxygen *chip = ctl->private_data;
937 unsigned int i;
938
939 /* I'm too lazy to write a function for each control :-) */
940 for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
941 chip->controls[i] = NULL;
942 }
943
944 static int add_controls(struct oxygen *chip,
945 const struct snd_kcontrol_new controls[],
946 unsigned int count)
947 {
948 static const char *const known_ctl_names[CONTROL_COUNT] = {
949 [CONTROL_SPDIF_PCM] =
950 SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
951 [CONTROL_SPDIF_INPUT_BITS] =
952 SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
953 [CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
954 [CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
955 [CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
956 [CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
957 };
958 unsigned int i, j;
959 struct snd_kcontrol_new template;
960 struct snd_kcontrol *ctl;
961 int err;
962
963 for (i = 0; i < count; ++i) {
964 template = controls[i];
965 if (chip->model.control_filter) {
966 err = chip->model.control_filter(&template);
967 if (err < 0)
968 return err;
969 if (err == 1)
970 continue;
971 }
972 if (!strcmp(template.name, "Stereo Upmixing") &&
973 chip->model.dac_channels == 2)
974 continue;
975 if (!strcmp(template.name, "Master Playback Volume") &&
976 chip->model.dac_tlv) {
977 template.tlv.p = chip->model.dac_tlv;
978 template.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
979 }
980 ctl = snd_ctl_new1(&template, chip);
981 if (!ctl)
982 return -ENOMEM;
983 err = snd_ctl_add(chip->card, ctl);
984 if (err < 0)
985 return err;
986 for (j = 0; j < CONTROL_COUNT; ++j)
987 if (!strcmp(ctl->id.name, known_ctl_names[j])) {
988 chip->controls[j] = ctl;
989 ctl->private_free = oxygen_any_ctl_free;
990 }
991 }
992 return 0;
993 }
994
995 int oxygen_mixer_init(struct oxygen *chip)
996 {
997 unsigned int i;
998 int err;
999
1000 err = add_controls(chip, controls, ARRAY_SIZE(controls));
1001 if (err < 0)
1002 return err;
1003 if (chip->model.device_config & CAPTURE_1_FROM_SPDIF) {
1004 err = add_controls(chip, spdif_input_controls,
1005 ARRAY_SIZE(spdif_input_controls));
1006 if (err < 0)
1007 return err;
1008 }
1009 for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
1010 if (!(chip->model.device_config & monitor_controls[i].pcm_dev))
1011 continue;
1012 err = add_controls(chip, monitor_controls[i].controls,
1013 ARRAY_SIZE(monitor_controls[i].controls));
1014 if (err < 0)
1015 return err;
1016 }
1017 if (chip->has_ac97_0) {
1018 err = add_controls(chip, ac97_controls,
1019 ARRAY_SIZE(ac97_controls));
1020 if (err < 0)
1021 return err;
1022 }
1023 if (chip->has_ac97_1) {
1024 err = add_controls(chip, ac97_fp_controls,
1025 ARRAY_SIZE(ac97_fp_controls));
1026 if (err < 0)
1027 return err;
1028 }
1029 return chip->model.mixer_init ? chip->model.mixer_init(chip) : 0;
1030 }
Tomato firmware and modifications.