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vmalloc: fix __GFP_HIGHMEM usage for vmalloc_32 on 32b systems
[linux/fpc-iii.git] / sound / pci / oxygen / oxygen_mixer.c
blob4ca12665ff730c6980e2a4366dd195e47f94aecd
1 /*
2 * C-Media CMI8788 driver - mixer code
3 *
4 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
5 *
6 *
7 * This driver is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License, version 2.
9 *
10 * This driver is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this driver; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20 #include <linux/mutex.h>
21 #include <sound/ac97_codec.h>
22 #include <sound/asoundef.h>
23 #include <sound/control.h>
24 #include <sound/tlv.h>
25 #include "oxygen.h"
26 #include "cm9780.h"
27
28 static int dac_volume_info(struct snd_kcontrol *ctl,
29 struct snd_ctl_elem_info *info)
30 {
31 struct oxygen *chip = ctl->private_data;
32
33 info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
34 info->count = chip->model.dac_channels_mixer;
35 info->value.integer.min = chip->model.dac_volume_min;
36 info->value.integer.max = chip->model.dac_volume_max;
37 return 0;
38 }
39
40 static int dac_volume_get(struct snd_kcontrol *ctl,
41 struct snd_ctl_elem_value *value)
42 {
43 struct oxygen *chip = ctl->private_data;
44 unsigned int i;
45
46 mutex_lock(&chip->mutex);
47 for (i = 0; i < chip->model.dac_channels_mixer; ++i)
48 value->value.integer.value[i] = chip->dac_volume[i];
49 mutex_unlock(&chip->mutex);
50 return 0;
51 }
52
53 static int dac_volume_put(struct snd_kcontrol *ctl,
54 struct snd_ctl_elem_value *value)
55 {
56 struct oxygen *chip = ctl->private_data;
57 unsigned int i;
58 int changed;
59
60 changed = 0;
61 mutex_lock(&chip->mutex);
62 for (i = 0; i < chip->model.dac_channels_mixer; ++i)
63 if (value->value.integer.value[i] != chip->dac_volume[i]) {
64 chip->dac_volume[i] = value->value.integer.value[i];
65 changed = 1;
66 }
67 if (changed)
68 chip->model.update_dac_volume(chip);
69 mutex_unlock(&chip->mutex);
70 return changed;
71 }
72
73 static int dac_mute_get(struct snd_kcontrol *ctl,
74 struct snd_ctl_elem_value *value)
75 {
76 struct oxygen *chip = ctl->private_data;
77
78 mutex_lock(&chip->mutex);
79 value->value.integer.value[0] = !chip->dac_mute;
80 mutex_unlock(&chip->mutex);
81 return 0;
82 }
83
84 static int dac_mute_put(struct snd_kcontrol *ctl,
85 struct snd_ctl_elem_value *value)
86 {
87 struct oxygen *chip = ctl->private_data;
88 int changed;
89
90 mutex_lock(&chip->mutex);
91 changed = (!value->value.integer.value[0]) != chip->dac_mute;
92 if (changed) {
93 chip->dac_mute = !value->value.integer.value[0];
94 chip->model.update_dac_mute(chip);
95 }
96 mutex_unlock(&chip->mutex);
97 return changed;
98 }
99
100 static unsigned int upmix_item_count(struct oxygen *chip)
101 {
102 if (chip->model.dac_channels_pcm < 8)
103 return 2;
104 else if (chip->model.update_center_lfe_mix)
105 return 5;
106 else
107 return 3;
108 }
109
110 static int upmix_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
111 {
112 static const char *const names[5] = {
113 "Front",
114 "Front+Surround",
115 "Front+Surround+Back",
116 "Front+Surround+Center/LFE",
117 "Front+Surround+Center/LFE+Back",
118 };
119 struct oxygen *chip = ctl->private_data;
120 unsigned int count = upmix_item_count(chip);
121
122 return snd_ctl_enum_info(info, 1, count, names);
123 }
124
125 static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
126 {
127 struct oxygen *chip = ctl->private_data;
128
129 mutex_lock(&chip->mutex);
130 value->value.enumerated.item[0] = chip->dac_routing;
131 mutex_unlock(&chip->mutex);
132 return 0;
133 }
134
135 void oxygen_update_dac_routing(struct oxygen *chip)
136 {
137 /* DAC 0: front, DAC 1: surround, DAC 2: center/LFE, DAC 3: back */
138 static const unsigned int reg_values[5] = {
139 /* stereo -> front */
140 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
141 (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
142 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
143 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
144 /* stereo -> front+surround */
145 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
146 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
147 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
148 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
149 /* stereo -> front+surround+back */
150 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
151 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
152 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
153 (0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
154 /* stereo -> front+surround+center/LFE */
155 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
156 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
157 (0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
158 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
159 /* stereo -> front+surround+center/LFE+back */
160 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
161 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
162 (0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
163 (0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
164 };
165 u8 channels;
166 unsigned int reg_value;
167
168 channels = oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
169 OXYGEN_PLAY_CHANNELS_MASK;
170 if (channels == OXYGEN_PLAY_CHANNELS_2)
171 reg_value = reg_values[chip->dac_routing];
172 else if (channels == OXYGEN_PLAY_CHANNELS_8)
173 /* in 7.1 mode, "rear" channels go to the "back" jack */
174 reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
175 (3 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
176 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
177 (1 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
178 else
179 reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
180 (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
181 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
182 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
183 if (chip->model.adjust_dac_routing)
184 reg_value = chip->model.adjust_dac_routing(chip, reg_value);
185 oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value,
186 OXYGEN_PLAY_DAC0_SOURCE_MASK |
187 OXYGEN_PLAY_DAC1_SOURCE_MASK |
188 OXYGEN_PLAY_DAC2_SOURCE_MASK |
189 OXYGEN_PLAY_DAC3_SOURCE_MASK);
190 if (chip->model.update_center_lfe_mix)
191 chip->model.update_center_lfe_mix(chip, chip->dac_routing > 2);
192 }
193 EXPORT_SYMBOL(oxygen_update_dac_routing);
194
195 static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
196 {
197 struct oxygen *chip = ctl->private_data;
198 unsigned int count = upmix_item_count(chip);
199 int changed;
200
201 if (value->value.enumerated.item[0] >= count)
202 return -EINVAL;
203 mutex_lock(&chip->mutex);
204 changed = value->value.enumerated.item[0] != chip->dac_routing;
205 if (changed) {
206 chip->dac_routing = value->value.enumerated.item[0];
207 oxygen_update_dac_routing(chip);
208 }
209 mutex_unlock(&chip->mutex);
210 return changed;
211 }
212
213 static int spdif_switch_get(struct snd_kcontrol *ctl,
214 struct snd_ctl_elem_value *value)
215 {
216 struct oxygen *chip = ctl->private_data;
217
218 mutex_lock(&chip->mutex);
219 value->value.integer.value[0] = chip->spdif_playback_enable;
220 mutex_unlock(&chip->mutex);
221 return 0;
222 }
223
224 static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
225 {
226 switch (oxygen_rate) {
227 case OXYGEN_RATE_32000:
228 return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
229 case OXYGEN_RATE_44100:
230 return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
231 default: /* OXYGEN_RATE_48000 */
232 return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
233 case OXYGEN_RATE_64000:
234 return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
235 case OXYGEN_RATE_88200:
236 return IEC958_AES3_CON_FS_88200 << OXYGEN_SPDIF_CS_RATE_SHIFT;
237 case OXYGEN_RATE_96000:
238 return IEC958_AES3_CON_FS_96000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
239 case OXYGEN_RATE_176400:
240 return IEC958_AES3_CON_FS_176400 << OXYGEN_SPDIF_CS_RATE_SHIFT;
241 case OXYGEN_RATE_192000:
242 return IEC958_AES3_CON_FS_192000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
243 }
244 }
245
246 void oxygen_update_spdif_source(struct oxygen *chip)
247 {
248 u32 old_control, new_control;
249 u16 old_routing, new_routing;
250 unsigned int oxygen_rate;
251
252 old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
253 old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
254 if (chip->pcm_active & (1 << PCM_SPDIF)) {
255 new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
256 new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
257 | OXYGEN_PLAY_SPDIF_SPDIF;
258 oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
259 & OXYGEN_I2S_RATE_MASK;
260 /* S/PDIF rate was already set by the caller */
261 } else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
262 chip->spdif_playback_enable) {
263 new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
264 | OXYGEN_PLAY_SPDIF_MULTICH_01;
265 oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
266 & OXYGEN_I2S_RATE_MASK;
267 new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
268 (oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
269 OXYGEN_SPDIF_OUT_ENABLE;
270 } else {
271 new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
272 new_routing = old_routing;
273 oxygen_rate = OXYGEN_RATE_44100;
274 }
275 if (old_routing != new_routing) {
276 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
277 new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
278 oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
279 }
280 if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
281 oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
282 oxygen_spdif_rate(oxygen_rate) |
283 ((chip->pcm_active & (1 << PCM_SPDIF)) ?
284 chip->spdif_pcm_bits : chip->spdif_bits));
285 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
286 }
287
288 static int spdif_switch_put(struct snd_kcontrol *ctl,
289 struct snd_ctl_elem_value *value)
290 {
291 struct oxygen *chip = ctl->private_data;
292 int changed;
293
294 mutex_lock(&chip->mutex);
295 changed = value->value.integer.value[0] != chip->spdif_playback_enable;
296 if (changed) {
297 chip->spdif_playback_enable = !!value->value.integer.value[0];
298 spin_lock_irq(&chip->reg_lock);
299 oxygen_update_spdif_source(chip);
300 spin_unlock_irq(&chip->reg_lock);
301 }
302 mutex_unlock(&chip->mutex);
303 return changed;
304 }
305
306 static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
307 {
308 info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
309 info->count = 1;
310 return 0;
311 }
312
313 static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
314 {
315 value->value.iec958.status[0] =
316 bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
317 OXYGEN_SPDIF_PREEMPHASIS);
318 value->value.iec958.status[1] = /* category and original */
319 bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
320 }
321
322 static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
323 {
324 u32 bits;
325
326 bits = value->value.iec958.status[0] &
327 (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
328 OXYGEN_SPDIF_PREEMPHASIS);
329 bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
330 if (bits & OXYGEN_SPDIF_NONAUDIO)
331 bits |= OXYGEN_SPDIF_V;
332 return bits;
333 }
334
335 static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
336 {
337 oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
338 OXYGEN_SPDIF_NONAUDIO |
339 OXYGEN_SPDIF_C |
340 OXYGEN_SPDIF_PREEMPHASIS |
341 OXYGEN_SPDIF_CATEGORY_MASK |
342 OXYGEN_SPDIF_ORIGINAL |
343 OXYGEN_SPDIF_V);
344 }
345
346 static int spdif_default_get(struct snd_kcontrol *ctl,
347 struct snd_ctl_elem_value *value)
348 {
349 struct oxygen *chip = ctl->private_data;
350
351 mutex_lock(&chip->mutex);
352 oxygen_to_iec958(chip->spdif_bits, value);
353 mutex_unlock(&chip->mutex);
354 return 0;
355 }
356
357 static int spdif_default_put(struct snd_kcontrol *ctl,
358 struct snd_ctl_elem_value *value)
359 {
360 struct oxygen *chip = ctl->private_data;
361 u32 new_bits;
362 int changed;
363
364 new_bits = iec958_to_oxygen(value);
365 mutex_lock(&chip->mutex);
366 changed = new_bits != chip->spdif_bits;
367 if (changed) {
368 chip->spdif_bits = new_bits;
369 if (!(chip->pcm_active & (1 << PCM_SPDIF)))
370 write_spdif_bits(chip, new_bits);
371 }
372 mutex_unlock(&chip->mutex);
373 return changed;
374 }
375
376 static int spdif_mask_get(struct snd_kcontrol *ctl,
377 struct snd_ctl_elem_value *value)
378 {
379 value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
380 IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
381 value->value.iec958.status[1] =
382 IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
383 return 0;
384 }
385
386 static int spdif_pcm_get(struct snd_kcontrol *ctl,
387 struct snd_ctl_elem_value *value)
388 {
389 struct oxygen *chip = ctl->private_data;
390
391 mutex_lock(&chip->mutex);
392 oxygen_to_iec958(chip->spdif_pcm_bits, value);
393 mutex_unlock(&chip->mutex);
394 return 0;
395 }
396
397 static int spdif_pcm_put(struct snd_kcontrol *ctl,
398 struct snd_ctl_elem_value *value)
399 {
400 struct oxygen *chip = ctl->private_data;
401 u32 new_bits;
402 int changed;
403
404 new_bits = iec958_to_oxygen(value);
405 mutex_lock(&chip->mutex);
406 changed = new_bits != chip->spdif_pcm_bits;
407 if (changed) {
408 chip->spdif_pcm_bits = new_bits;
409 if (chip->pcm_active & (1 << PCM_SPDIF))
410 write_spdif_bits(chip, new_bits);
411 }
412 mutex_unlock(&chip->mutex);
413 return changed;
414 }
415
416 static int spdif_input_mask_get(struct snd_kcontrol *ctl,
417 struct snd_ctl_elem_value *value)
418 {
419 value->value.iec958.status[0] = 0xff;
420 value->value.iec958.status[1] = 0xff;
421 value->value.iec958.status[2] = 0xff;
422 value->value.iec958.status[3] = 0xff;
423 return 0;
424 }
425
426 static int spdif_input_default_get(struct snd_kcontrol *ctl,
427 struct snd_ctl_elem_value *value)
428 {
429 struct oxygen *chip = ctl->private_data;
430 u32 bits;
431
432 bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
433 value->value.iec958.status[0] = bits;
434 value->value.iec958.status[1] = bits >> 8;
435 value->value.iec958.status[2] = bits >> 16;
436 value->value.iec958.status[3] = bits >> 24;
437 return 0;
438 }
439
440 static int spdif_bit_switch_get(struct snd_kcontrol *ctl,
441 struct snd_ctl_elem_value *value)
442 {
443 struct oxygen *chip = ctl->private_data;
444 u32 bit = ctl->private_value;
445
446 value->value.integer.value[0] =
447 !!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL) & bit);
448 return 0;
449 }
450
451 static int spdif_bit_switch_put(struct snd_kcontrol *ctl,
452 struct snd_ctl_elem_value *value)
453 {
454 struct oxygen *chip = ctl->private_data;
455 u32 bit = ctl->private_value;
456 u32 oldreg, newreg;
457 int changed;
458
459 spin_lock_irq(&chip->reg_lock);
460 oldreg = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
461 if (value->value.integer.value[0])
462 newreg = oldreg | bit;
463 else
464 newreg = oldreg & ~bit;
465 changed = newreg != oldreg;
466 if (changed)
467 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, newreg);
468 spin_unlock_irq(&chip->reg_lock);
469 return changed;
470 }
471
472 static int monitor_volume_info(struct snd_kcontrol *ctl,
473 struct snd_ctl_elem_info *info)
474 {
475 info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
476 info->count = 1;
477 info->value.integer.min = 0;
478 info->value.integer.max = 1;
479 return 0;
480 }
481
482 static int monitor_get(struct snd_kcontrol *ctl,
483 struct snd_ctl_elem_value *value)
484 {
485 struct oxygen *chip = ctl->private_data;
486 u8 bit = ctl->private_value;
487 int invert = ctl->private_value & (1 << 8);
488
489 value->value.integer.value[0] =
490 !!invert ^ !!(oxygen_read8(chip, OXYGEN_ADC_MONITOR) & bit);
491 return 0;
492 }
493
494 static int monitor_put(struct snd_kcontrol *ctl,
495 struct snd_ctl_elem_value *value)
496 {
497 struct oxygen *chip = ctl->private_data;
498 u8 bit = ctl->private_value;
499 int invert = ctl->private_value & (1 << 8);
500 u8 oldreg, newreg;
501 int changed;
502
503 spin_lock_irq(&chip->reg_lock);
504 oldreg = oxygen_read8(chip, OXYGEN_ADC_MONITOR);
505 if ((!!value->value.integer.value[0] ^ !!invert) != 0)
506 newreg = oldreg | bit;
507 else
508 newreg = oldreg & ~bit;
509 changed = newreg != oldreg;
510 if (changed)
511 oxygen_write8(chip, OXYGEN_ADC_MONITOR, newreg);
512 spin_unlock_irq(&chip->reg_lock);
513 return changed;
514 }
515
516 static int ac97_switch_get(struct snd_kcontrol *ctl,
517 struct snd_ctl_elem_value *value)
518 {
519 struct oxygen *chip = ctl->private_data;
520 unsigned int codec = (ctl->private_value >> 24) & 1;
521 unsigned int index = ctl->private_value & 0xff;
522 unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
523 int invert = ctl->private_value & (1 << 16);
524 u16 reg;
525
526 mutex_lock(&chip->mutex);
527 reg = oxygen_read_ac97(chip, codec, index);
528 mutex_unlock(&chip->mutex);
529 if (!(reg & (1 << bitnr)) ^ !invert)
530 value->value.integer.value[0] = 1;
531 else
532 value->value.integer.value[0] = 0;
533 return 0;
534 }
535
536 static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
537 {
538 unsigned int priv_idx;
539 u16 value;
540
541 if (!chip->controls[control])
542 return;
543 priv_idx = chip->controls[control]->private_value & 0xff;
544 value = oxygen_read_ac97(chip, 0, priv_idx);
545 if (!(value & 0x8000)) {
546 oxygen_write_ac97(chip, 0, priv_idx, value | 0x8000);
547 if (chip->model.ac97_switch)
548 chip->model.ac97_switch(chip, priv_idx, 0x8000);
549 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
550 &chip->controls[control]->id);
551 }
552 }
553
554 static int ac97_switch_put(struct snd_kcontrol *ctl,
555 struct snd_ctl_elem_value *value)
556 {
557 struct oxygen *chip = ctl->private_data;
558 unsigned int codec = (ctl->private_value >> 24) & 1;
559 unsigned int index = ctl->private_value & 0xff;
560 unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
561 int invert = ctl->private_value & (1 << 16);
562 u16 oldreg, newreg;
563 int change;
564
565 mutex_lock(&chip->mutex);
566 oldreg = oxygen_read_ac97(chip, codec, index);
567 newreg = oldreg;
568 if (!value->value.integer.value[0] ^ !invert)
569 newreg |= 1 << bitnr;
570 else
571 newreg &= ~(1 << bitnr);
572 change = newreg != oldreg;
573 if (change) {
574 oxygen_write_ac97(chip, codec, index, newreg);
575 if (codec == 0 && chip->model.ac97_switch)
576 chip->model.ac97_switch(chip, index, newreg & 0x8000);
577 if (index == AC97_LINE) {
578 oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
579 newreg & 0x8000 ?
580 CM9780_GPO0 : 0, CM9780_GPO0);
581 if (!(newreg & 0x8000)) {
582 mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
583 mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
584 mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
585 }
586 } else if ((index == AC97_MIC || index == AC97_CD ||
587 index == AC97_VIDEO || index == AC97_AUX) &&
588 bitnr == 15 && !(newreg & 0x8000)) {
589 mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
590 oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
591 CM9780_GPO0, CM9780_GPO0);
592 }
593 }
594 mutex_unlock(&chip->mutex);
595 return change;
596 }
597
598 static int ac97_volume_info(struct snd_kcontrol *ctl,
599 struct snd_ctl_elem_info *info)
600 {
601 int stereo = (ctl->private_value >> 16) & 1;
602
603 info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
604 info->count = stereo ? 2 : 1;
605 info->value.integer.min = 0;
606 info->value.integer.max = 0x1f;
607 return 0;
608 }
609
610 static int ac97_volume_get(struct snd_kcontrol *ctl,
611 struct snd_ctl_elem_value *value)
612 {
613 struct oxygen *chip = ctl->private_data;
614 unsigned int codec = (ctl->private_value >> 24) & 1;
615 int stereo = (ctl->private_value >> 16) & 1;
616 unsigned int index = ctl->private_value & 0xff;
617 u16 reg;
618
619 mutex_lock(&chip->mutex);
620 reg = oxygen_read_ac97(chip, codec, index);
621 mutex_unlock(&chip->mutex);
622 if (!stereo) {
623 value->value.integer.value[0] = 31 - (reg & 0x1f);
624 } else {
625 value->value.integer.value[0] = 31 - ((reg >> 8) & 0x1f);
626 value->value.integer.value[1] = 31 - (reg & 0x1f);
627 }
628 return 0;
629 }
630
631 static int ac97_volume_put(struct snd_kcontrol *ctl,
632 struct snd_ctl_elem_value *value)
633 {
634 struct oxygen *chip = ctl->private_data;
635 unsigned int codec = (ctl->private_value >> 24) & 1;
636 int stereo = (ctl->private_value >> 16) & 1;
637 unsigned int index = ctl->private_value & 0xff;
638 u16 oldreg, newreg;
639 int change;
640
641 mutex_lock(&chip->mutex);
642 oldreg = oxygen_read_ac97(chip, codec, index);
643 if (!stereo) {
644 newreg = oldreg & ~0x1f;
645 newreg |= 31 - (value->value.integer.value[0] & 0x1f);
646 } else {
647 newreg = oldreg & ~0x1f1f;
648 newreg |= (31 - (value->value.integer.value[0] & 0x1f)) << 8;
649 newreg |= 31 - (value->value.integer.value[1] & 0x1f);
650 }
651 change = newreg != oldreg;
652 if (change)
653 oxygen_write_ac97(chip, codec, index, newreg);
654 mutex_unlock(&chip->mutex);
655 return change;
656 }
657
658 static int mic_fmic_source_info(struct snd_kcontrol *ctl,
659 struct snd_ctl_elem_info *info)
660 {
661 static const char *const names[] = { "Mic Jack", "Front Panel" };
662
663 return snd_ctl_enum_info(info, 1, 2, names);
664 }
665
666 static int mic_fmic_source_get(struct snd_kcontrol *ctl,
667 struct snd_ctl_elem_value *value)
668 {
669 struct oxygen *chip = ctl->private_data;
670
671 mutex_lock(&chip->mutex);
672 value->value.enumerated.item[0] =
673 !!(oxygen_read_ac97(chip, 0, CM9780_JACK) & CM9780_FMIC2MIC);
674 mutex_unlock(&chip->mutex);
675 return 0;
676 }
677
678 static int mic_fmic_source_put(struct snd_kcontrol *ctl,
679 struct snd_ctl_elem_value *value)
680 {
681 struct oxygen *chip = ctl->private_data;
682 u16 oldreg, newreg;
683 int change;
684
685 mutex_lock(&chip->mutex);
686 oldreg = oxygen_read_ac97(chip, 0, CM9780_JACK);
687 if (value->value.enumerated.item[0])
688 newreg = oldreg | CM9780_FMIC2MIC;
689 else
690 newreg = oldreg & ~CM9780_FMIC2MIC;
691 change = newreg != oldreg;
692 if (change)
693 oxygen_write_ac97(chip, 0, CM9780_JACK, newreg);
694 mutex_unlock(&chip->mutex);
695 return change;
696 }
697
698 static int ac97_fp_rec_volume_info(struct snd_kcontrol *ctl,
699 struct snd_ctl_elem_info *info)
700 {
701 info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
702 info->count = 2;
703 info->value.integer.min = 0;
704 info->value.integer.max = 7;
705 return 0;
706 }
707
708 static int ac97_fp_rec_volume_get(struct snd_kcontrol *ctl,
709 struct snd_ctl_elem_value *value)
710 {
711 struct oxygen *chip = ctl->private_data;
712 u16 reg;
713
714 mutex_lock(&chip->mutex);
715 reg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
716 mutex_unlock(&chip->mutex);
717 value->value.integer.value[0] = reg & 7;
718 value->value.integer.value[1] = (reg >> 8) & 7;
719 return 0;
720 }
721
722 static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
723 struct snd_ctl_elem_value *value)
724 {
725 struct oxygen *chip = ctl->private_data;
726 u16 oldreg, newreg;
727 int change;
728
729 mutex_lock(&chip->mutex);
730 oldreg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
731 newreg = oldreg & ~0x0707;
732 newreg = newreg | (value->value.integer.value[0] & 7);
733 newreg = newreg | ((value->value.integer.value[0] & 7) << 8);
734 change = newreg != oldreg;
735 if (change)
736 oxygen_write_ac97(chip, 1, AC97_REC_GAIN, newreg);
737 mutex_unlock(&chip->mutex);
738 return change;
739 }
740
741 #define AC97_SWITCH(xname, codec, index, bitnr, invert) { \
742 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
743 .name = xname, \
744 .info = snd_ctl_boolean_mono_info, \
745 .get = ac97_switch_get, \
746 .put = ac97_switch_put, \
747 .private_value = ((codec) << 24) | ((invert) << 16) | \
748 ((bitnr) << 8) | (index), \
749 }
750 #define AC97_VOLUME(xname, codec, index, stereo) { \
751 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
752 .name = xname, \
753 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
754 SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
755 .info = ac97_volume_info, \
756 .get = ac97_volume_get, \
757 .put = ac97_volume_put, \
758 .tlv = { .p = ac97_db_scale, }, \
759 .private_value = ((codec) << 24) | ((stereo) << 16) | (index), \
760 }
761
762 static DECLARE_TLV_DB_SCALE(monitor_db_scale, -600, 600, 0);
763 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
764 static DECLARE_TLV_DB_SCALE(ac97_rec_db_scale, 0, 150, 0);
765
766 static const struct snd_kcontrol_new controls[] = {
767 {
768 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
769 .name = "Master Playback Volume",
770 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
771 .info = dac_volume_info,
772 .get = dac_volume_get,
773 .put = dac_volume_put,
774 },
775 {
776 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
777 .name = "Master Playback Switch",
778 .info = snd_ctl_boolean_mono_info,
779 .get = dac_mute_get,
780 .put = dac_mute_put,
781 },
782 {
783 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
784 .name = "Stereo Upmixing",
785 .info = upmix_info,
786 .get = upmix_get,
787 .put = upmix_put,
788 },
789 };
790
791 static const struct snd_kcontrol_new spdif_output_controls[] = {
792 {
793 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
794 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
795 .info = snd_ctl_boolean_mono_info,
796 .get = spdif_switch_get,
797 .put = spdif_switch_put,
798 },
799 {
800 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
801 .device = 1,
802 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
803 .info = spdif_info,
804 .get = spdif_default_get,
805 .put = spdif_default_put,
806 },
807 {
808 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
809 .device = 1,
810 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
811 .access = SNDRV_CTL_ELEM_ACCESS_READ,
812 .info = spdif_info,
813 .get = spdif_mask_get,
814 },
815 {
816 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
817 .device = 1,
818 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
819 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
820 SNDRV_CTL_ELEM_ACCESS_INACTIVE,
821 .info = spdif_info,
822 .get = spdif_pcm_get,
823 .put = spdif_pcm_put,
824 },
825 };
826
827 static const struct snd_kcontrol_new spdif_input_controls[] = {
828 {
829 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
830 .device = 1,
831 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
832 .access = SNDRV_CTL_ELEM_ACCESS_READ,
833 .info = spdif_info,
834 .get = spdif_input_mask_get,
835 },
836 {
837 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
838 .device = 1,
839 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
840 .access = SNDRV_CTL_ELEM_ACCESS_READ,
841 .info = spdif_info,
842 .get = spdif_input_default_get,
843 },
844 {
845 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
846 .name = SNDRV_CTL_NAME_IEC958("Loopback ", NONE, SWITCH),
847 .info = snd_ctl_boolean_mono_info,
848 .get = spdif_bit_switch_get,
849 .put = spdif_bit_switch_put,
850 .private_value = OXYGEN_SPDIF_LOOPBACK,
851 },
852 {
853 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
854 .name = SNDRV_CTL_NAME_IEC958("Validity Check ",CAPTURE,SWITCH),
855 .info = snd_ctl_boolean_mono_info,
856 .get = spdif_bit_switch_get,
857 .put = spdif_bit_switch_put,
858 .private_value = OXYGEN_SPDIF_SPDVALID,
859 },
860 };
861
862 static const struct {
863 unsigned int pcm_dev;
864 struct snd_kcontrol_new controls[2];
865 } monitor_controls[] = {
866 {
867 .pcm_dev = CAPTURE_0_FROM_I2S_1,
868 .controls = {
869 {
870 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
871 .name = "Analog Input Monitor Playback Switch",
872 .info = snd_ctl_boolean_mono_info,
873 .get = monitor_get,
874 .put = monitor_put,
875 .private_value = OXYGEN_ADC_MONITOR_A,
876 },
877 {
878 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
879 .name = "Analog Input Monitor Playback Volume",
880 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
881 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
882 .info = monitor_volume_info,
883 .get = monitor_get,
884 .put = monitor_put,
885 .private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL
886 | (1 << 8),
887 .tlv = { .p = monitor_db_scale, },
888 },
889 },
890 },
891 {
892 .pcm_dev = CAPTURE_0_FROM_I2S_2,
893 .controls = {
894 {
895 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
896 .name = "Analog Input Monitor Playback Switch",
897 .info = snd_ctl_boolean_mono_info,
898 .get = monitor_get,
899 .put = monitor_put,
900 .private_value = OXYGEN_ADC_MONITOR_B,
901 },
902 {
903 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
904 .name = "Analog Input Monitor Playback Volume",
905 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
906 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
907 .info = monitor_volume_info,
908 .get = monitor_get,
909 .put = monitor_put,
910 .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
911 | (1 << 8),
912 .tlv = { .p = monitor_db_scale, },
913 },
914 },
915 },
916 {
917 .pcm_dev = CAPTURE_2_FROM_I2S_2,
918 .controls = {
919 {
920 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
921 .name = "Analog Input Monitor Playback Switch",
922 .index = 1,
923 .info = snd_ctl_boolean_mono_info,
924 .get = monitor_get,
925 .put = monitor_put,
926 .private_value = OXYGEN_ADC_MONITOR_B,
927 },
928 {
929 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
930 .name = "Analog Input Monitor Playback Volume",
931 .index = 1,
932 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
933 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
934 .info = monitor_volume_info,
935 .get = monitor_get,
936 .put = monitor_put,
937 .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
938 | (1 << 8),
939 .tlv = { .p = monitor_db_scale, },
940 },
941 },
942 },
943 {
944 .pcm_dev = CAPTURE_3_FROM_I2S_3,
945 .controls = {
946 {
947 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
948 .name = "Analog Input Monitor Playback Switch",
949 .index = 2,
950 .info = snd_ctl_boolean_mono_info,
951 .get = monitor_get,
952 .put = monitor_put,
953 .private_value = OXYGEN_ADC_MONITOR_C,
954 },
955 {
956 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
957 .name = "Analog Input Monitor Playback Volume",
958 .index = 2,
959 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
960 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
961 .info = monitor_volume_info,
962 .get = monitor_get,
963 .put = monitor_put,
964 .private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
965 | (1 << 8),
966 .tlv = { .p = monitor_db_scale, },
967 },
968 },
969 },
970 {
971 .pcm_dev = CAPTURE_1_FROM_SPDIF,
972 .controls = {
973 {
974 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
975 .name = "Digital Input Monitor Playback Switch",
976 .info = snd_ctl_boolean_mono_info,
977 .get = monitor_get,
978 .put = monitor_put,
979 .private_value = OXYGEN_ADC_MONITOR_C,
980 },
981 {
982 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
983 .name = "Digital Input Monitor Playback Volume",
984 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
985 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
986 .info = monitor_volume_info,
987 .get = monitor_get,
988 .put = monitor_put,
989 .private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
990 | (1 << 8),
991 .tlv = { .p = monitor_db_scale, },
992 },
993 },
994 },
995 };
996
997 static const struct snd_kcontrol_new ac97_controls[] = {
998 AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC, 0),
999 AC97_SWITCH("Mic Capture Switch", 0, AC97_MIC, 15, 1),
1000 AC97_SWITCH("Mic Boost (+20dB)", 0, AC97_MIC, 6, 0),
1001 {
1002 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1003 .name = "Mic Source Capture Enum",
1004 .info = mic_fmic_source_info,
1005 .get = mic_fmic_source_get,
1006 .put = mic_fmic_source_put,
1007 },
1008 AC97_SWITCH("Line Capture Switch", 0, AC97_LINE, 15, 1),
1009 AC97_VOLUME("CD Capture Volume", 0, AC97_CD, 1),
1010 AC97_SWITCH("CD Capture Switch", 0, AC97_CD, 15, 1),
1011 AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX, 1),
1012 AC97_SWITCH("Aux Capture Switch", 0, AC97_AUX, 15, 1),
1013 };
1014
1015 static const struct snd_kcontrol_new ac97_fp_controls[] = {
1016 AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE, 1),
1017 AC97_SWITCH("Front Panel Playback Switch", 1, AC97_HEADPHONE, 15, 1),
1018 {
1019 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1020 .name = "Front Panel Capture Volume",
1021 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
1022 SNDRV_CTL_ELEM_ACCESS_TLV_READ,
1023 .info = ac97_fp_rec_volume_info,
1024 .get = ac97_fp_rec_volume_get,
1025 .put = ac97_fp_rec_volume_put,
1026 .tlv = { .p = ac97_rec_db_scale, },
1027 },
1028 AC97_SWITCH("Front Panel Capture Switch", 1, AC97_REC_GAIN, 15, 1),
1029 };
1030
1031 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
1032 {
1033 struct oxygen *chip = ctl->private_data;
1034 unsigned int i;
1035
1036 /* I'm too lazy to write a function for each control :-) */
1037 for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
1038 chip->controls[i] = NULL;
1039 }
1040
1041 static int add_controls(struct oxygen *chip,
1042 const struct snd_kcontrol_new controls[],
1043 unsigned int count)
1044 {
1045 static const char *const known_ctl_names[CONTROL_COUNT] = {
1046 [CONTROL_SPDIF_PCM] =
1047 SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
1048 [CONTROL_SPDIF_INPUT_BITS] =
1049 SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
1050 [CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
1051 [CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
1052 [CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
1053 [CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
1054 };
1055 unsigned int i, j;
1056 struct snd_kcontrol_new template;
1057 struct snd_kcontrol *ctl;
1058 int err;
1059
1060 for (i = 0; i < count; ++i) {
1061 template = controls[i];
1062 if (chip->model.control_filter) {
1063 err = chip->model.control_filter(&template);
1064 if (err < 0)
1065 return err;
1066 if (err == 1)
1067 continue;
1068 }
1069 if (!strcmp(template.name, "Stereo Upmixing") &&
1070 chip->model.dac_channels_pcm == 2)
1071 continue;
1072 if (!strcmp(template.name, "Mic Source Capture Enum") &&
1073 !(chip->model.device_config & AC97_FMIC_SWITCH))
1074 continue;
1075 if (!strncmp(template.name, "CD Capture ", 11) &&
1076 !(chip->model.device_config & AC97_CD_INPUT))
1077 continue;
1078 if (!strcmp(template.name, "Master Playback Volume") &&
1079 chip->model.dac_tlv) {
1080 template.tlv.p = chip->model.dac_tlv;
1081 template.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1082 }
1083 ctl = snd_ctl_new1(&template, chip);
1084 if (!ctl)
1085 return -ENOMEM;
1086 err = snd_ctl_add(chip->card, ctl);
1087 if (err < 0)
1088 return err;
1089 for (j = 0; j < CONTROL_COUNT; ++j)
1090 if (!strcmp(ctl->id.name, known_ctl_names[j])) {
1091 chip->controls[j] = ctl;
1092 ctl->private_free = oxygen_any_ctl_free;
1093 }
1094 }
1095 return 0;
1096 }
1097
1098 int oxygen_mixer_init(struct oxygen *chip)
1099 {
1100 unsigned int i;
1101 int err;
1102
1103 err = add_controls(chip, controls, ARRAY_SIZE(controls));
1104 if (err < 0)
1105 return err;
1106 if (chip->model.device_config & PLAYBACK_1_TO_SPDIF) {
1107 err = add_controls(chip, spdif_output_controls,
1108 ARRAY_SIZE(spdif_output_controls));
1109 if (err < 0)
1110 return err;
1111 }
1112 if (chip->model.device_config & CAPTURE_1_FROM_SPDIF) {
1113 err = add_controls(chip, spdif_input_controls,
1114 ARRAY_SIZE(spdif_input_controls));
1115 if (err < 0)
1116 return err;
1117 }
1118 for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
1119 if (!(chip->model.device_config & monitor_controls[i].pcm_dev))
1120 continue;
1121 err = add_controls(chip, monitor_controls[i].controls,
1122 ARRAY_SIZE(monitor_controls[i].controls));
1123 if (err < 0)
1124 return err;
1125 }
1126 if (chip->has_ac97_0) {
1127 err = add_controls(chip, ac97_controls,
1128 ARRAY_SIZE(ac97_controls));
1129 if (err < 0)
1130 return err;
1131 }
1132 if (chip->has_ac97_1) {
1133 err = add_controls(chip, ac97_fp_controls,
1134 ARRAY_SIZE(ac97_fp_controls));
1135 if (err < 0)
1136 return err;
1137 }
1138 return chip->model.mixer_init ? chip->model.mixer_init(chip) : 0;
1139 }
Linux with added FPC-III support