Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[linux-2.6] / sound / pci / oxygen / oxygen_mixer.c
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[3] = {
103                 "Front", "Front+Surround", "Front+Surround+Back"
104         };
105         struct oxygen *chip = ctl->private_data;
106         unsigned int count = 2 + (chip->model.dac_channels == 8);
107
108         info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
109         info->count = 1;
110         info->value.enumerated.items = count;
111         if (info->value.enumerated.item >= count)
112                 info->value.enumerated.item = count - 1;
113         strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
114         return 0;
115 }
116
117 static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
118 {
119         struct oxygen *chip = ctl->private_data;
120
121         mutex_lock(&chip->mutex);
122         value->value.enumerated.item[0] = chip->dac_routing;
123         mutex_unlock(&chip->mutex);
124         return 0;
125 }
126
127 void oxygen_update_dac_routing(struct oxygen *chip)
128 {
129         /* DAC 0: front, DAC 1: surround, DAC 2: center/LFE, DAC 3: back */
130         static const unsigned int reg_values[3] = {
131                 /* stereo -> front */
132                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
133                 (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
134                 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
135                 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
136                 /* stereo -> front+surround */
137                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
138                 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
139                 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
140                 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
141                 /* stereo -> front+surround+back */
142                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
143                 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
144                 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
145                 (0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
146         };
147         u8 channels;
148         unsigned int reg_value;
149
150         channels = oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
151                 OXYGEN_PLAY_CHANNELS_MASK;
152         if (channels == OXYGEN_PLAY_CHANNELS_2)
153                 reg_value = reg_values[chip->dac_routing];
154         else if (channels == OXYGEN_PLAY_CHANNELS_8)
155                 /* in 7.1 mode, "rear" channels go to the "back" jack */
156                 reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
157                             (3 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
158                             (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
159                             (1 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
160         else
161                 reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
162                             (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
163                             (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
164                             (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
165         oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value,
166                               OXYGEN_PLAY_DAC0_SOURCE_MASK |
167                               OXYGEN_PLAY_DAC1_SOURCE_MASK |
168                               OXYGEN_PLAY_DAC2_SOURCE_MASK |
169                               OXYGEN_PLAY_DAC3_SOURCE_MASK);
170 }
171
172 static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
173 {
174         struct oxygen *chip = ctl->private_data;
175         unsigned int count = 2 + (chip->model.dac_channels == 8);
176         int changed;
177
178         mutex_lock(&chip->mutex);
179         changed = value->value.enumerated.item[0] != chip->dac_routing;
180         if (changed) {
181                 chip->dac_routing = min(value->value.enumerated.item[0],
182                                         count - 1);
183                 spin_lock_irq(&chip->reg_lock);
184                 oxygen_update_dac_routing(chip);
185                 spin_unlock_irq(&chip->reg_lock);
186         }
187         mutex_unlock(&chip->mutex);
188         return changed;
189 }
190
191 static int spdif_switch_get(struct snd_kcontrol *ctl,
192                             struct snd_ctl_elem_value *value)
193 {
194         struct oxygen *chip = ctl->private_data;
195
196         mutex_lock(&chip->mutex);
197         value->value.integer.value[0] = chip->spdif_playback_enable;
198         mutex_unlock(&chip->mutex);
199         return 0;
200 }
201
202 static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
203 {
204         switch (oxygen_rate) {
205         case OXYGEN_RATE_32000:
206                 return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
207         case OXYGEN_RATE_44100:
208                 return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
209         default: /* OXYGEN_RATE_48000 */
210                 return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
211         case OXYGEN_RATE_64000:
212                 return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
213         case OXYGEN_RATE_88200:
214                 return IEC958_AES3_CON_FS_88200 << OXYGEN_SPDIF_CS_RATE_SHIFT;
215         case OXYGEN_RATE_96000:
216                 return IEC958_AES3_CON_FS_96000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
217         case OXYGEN_RATE_176400:
218                 return IEC958_AES3_CON_FS_176400 << OXYGEN_SPDIF_CS_RATE_SHIFT;
219         case OXYGEN_RATE_192000:
220                 return IEC958_AES3_CON_FS_192000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
221         }
222 }
223
224 void oxygen_update_spdif_source(struct oxygen *chip)
225 {
226         u32 old_control, new_control;
227         u16 old_routing, new_routing;
228         unsigned int oxygen_rate;
229
230         old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
231         old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
232         if (chip->pcm_active & (1 << PCM_SPDIF)) {
233                 new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
234                 new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
235                         | OXYGEN_PLAY_SPDIF_SPDIF;
236                 oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
237                         & OXYGEN_I2S_RATE_MASK;
238                 /* S/PDIF rate was already set by the caller */
239         } else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
240                    chip->spdif_playback_enable) {
241                 new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
242                         | OXYGEN_PLAY_SPDIF_MULTICH_01;
243                 oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
244                         & OXYGEN_I2S_RATE_MASK;
245                 new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
246                         (oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
247                         OXYGEN_SPDIF_OUT_ENABLE;
248         } else {
249                 new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
250                 new_routing = old_routing;
251                 oxygen_rate = OXYGEN_RATE_44100;
252         }
253         if (old_routing != new_routing) {
254                 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
255                                new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
256                 oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
257         }
258         if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
259                 oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
260                                oxygen_spdif_rate(oxygen_rate) |
261                                ((chip->pcm_active & (1 << PCM_SPDIF)) ?
262                                 chip->spdif_pcm_bits : chip->spdif_bits));
263         oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
264 }
265
266 static int spdif_switch_put(struct snd_kcontrol *ctl,
267                             struct snd_ctl_elem_value *value)
268 {
269         struct oxygen *chip = ctl->private_data;
270         int changed;
271
272         mutex_lock(&chip->mutex);
273         changed = value->value.integer.value[0] != chip->spdif_playback_enable;
274         if (changed) {
275                 chip->spdif_playback_enable = !!value->value.integer.value[0];
276                 spin_lock_irq(&chip->reg_lock);
277                 oxygen_update_spdif_source(chip);
278                 spin_unlock_irq(&chip->reg_lock);
279         }
280         mutex_unlock(&chip->mutex);
281         return changed;
282 }
283
284 static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
285 {
286         info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
287         info->count = 1;
288         return 0;
289 }
290
291 static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
292 {
293         value->value.iec958.status[0] =
294                 bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
295                         OXYGEN_SPDIF_PREEMPHASIS);
296         value->value.iec958.status[1] = /* category and original */
297                 bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
298 }
299
300 static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
301 {
302         u32 bits;
303
304         bits = value->value.iec958.status[0] &
305                 (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
306                  OXYGEN_SPDIF_PREEMPHASIS);
307         bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
308         if (bits & OXYGEN_SPDIF_NONAUDIO)
309                 bits |= OXYGEN_SPDIF_V;
310         return bits;
311 }
312
313 static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
314 {
315         oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
316                               OXYGEN_SPDIF_NONAUDIO |
317                               OXYGEN_SPDIF_C |
318                               OXYGEN_SPDIF_PREEMPHASIS |
319                               OXYGEN_SPDIF_CATEGORY_MASK |
320                               OXYGEN_SPDIF_ORIGINAL |
321                               OXYGEN_SPDIF_V);
322 }
323
324 static int spdif_default_get(struct snd_kcontrol *ctl,
325                              struct snd_ctl_elem_value *value)
326 {
327         struct oxygen *chip = ctl->private_data;
328
329         mutex_lock(&chip->mutex);
330         oxygen_to_iec958(chip->spdif_bits, value);
331         mutex_unlock(&chip->mutex);
332         return 0;
333 }
334
335 static int spdif_default_put(struct snd_kcontrol *ctl,
336                              struct snd_ctl_elem_value *value)
337 {
338         struct oxygen *chip = ctl->private_data;
339         u32 new_bits;
340         int changed;
341
342         new_bits = iec958_to_oxygen(value);
343         mutex_lock(&chip->mutex);
344         changed = new_bits != chip->spdif_bits;
345         if (changed) {
346                 chip->spdif_bits = new_bits;
347                 if (!(chip->pcm_active & (1 << PCM_SPDIF)))
348                         write_spdif_bits(chip, new_bits);
349         }
350         mutex_unlock(&chip->mutex);
351         return changed;
352 }
353
354 static int spdif_mask_get(struct snd_kcontrol *ctl,
355                           struct snd_ctl_elem_value *value)
356 {
357         value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
358                 IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
359         value->value.iec958.status[1] =
360                 IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
361         return 0;
362 }
363
364 static int spdif_pcm_get(struct snd_kcontrol *ctl,
365                          struct snd_ctl_elem_value *value)
366 {
367         struct oxygen *chip = ctl->private_data;
368
369         mutex_lock(&chip->mutex);
370         oxygen_to_iec958(chip->spdif_pcm_bits, value);
371         mutex_unlock(&chip->mutex);
372         return 0;
373 }
374
375 static int spdif_pcm_put(struct snd_kcontrol *ctl,
376                          struct snd_ctl_elem_value *value)
377 {
378         struct oxygen *chip = ctl->private_data;
379         u32 new_bits;
380         int changed;
381
382         new_bits = iec958_to_oxygen(value);
383         mutex_lock(&chip->mutex);
384         changed = new_bits != chip->spdif_pcm_bits;
385         if (changed) {
386                 chip->spdif_pcm_bits = new_bits;
387                 if (chip->pcm_active & (1 << PCM_SPDIF))
388                         write_spdif_bits(chip, new_bits);
389         }
390         mutex_unlock(&chip->mutex);
391         return changed;
392 }
393
394 static int spdif_input_mask_get(struct snd_kcontrol *ctl,
395                                 struct snd_ctl_elem_value *value)
396 {
397         value->value.iec958.status[0] = 0xff;
398         value->value.iec958.status[1] = 0xff;
399         value->value.iec958.status[2] = 0xff;
400         value->value.iec958.status[3] = 0xff;
401         return 0;
402 }
403
404 static int spdif_input_default_get(struct snd_kcontrol *ctl,
405                                    struct snd_ctl_elem_value *value)
406 {
407         struct oxygen *chip = ctl->private_data;
408         u32 bits;
409
410         bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
411         value->value.iec958.status[0] = bits;
412         value->value.iec958.status[1] = bits >> 8;
413         value->value.iec958.status[2] = bits >> 16;
414         value->value.iec958.status[3] = bits >> 24;
415         return 0;
416 }
417
418 static int spdif_loopback_get(struct snd_kcontrol *ctl,
419                               struct snd_ctl_elem_value *value)
420 {
421         struct oxygen *chip = ctl->private_data;
422
423         value->value.integer.value[0] =
424                 !!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL)
425                    & OXYGEN_SPDIF_LOOPBACK);
426         return 0;
427 }
428
429 static int spdif_loopback_put(struct snd_kcontrol *ctl,
430                               struct snd_ctl_elem_value *value)
431 {
432         struct oxygen *chip = ctl->private_data;
433         u32 oldreg, newreg;
434         int changed;
435
436         spin_lock_irq(&chip->reg_lock);
437         oldreg = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
438         if (value->value.integer.value[0])
439                 newreg = oldreg | OXYGEN_SPDIF_LOOPBACK;
440         else
441                 newreg = oldreg & ~OXYGEN_SPDIF_LOOPBACK;
442         changed = newreg != oldreg;
443         if (changed)
444                 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, newreg);
445         spin_unlock_irq(&chip->reg_lock);
446         return changed;
447 }
448
449 static int monitor_volume_info(struct snd_kcontrol *ctl,
450                                struct snd_ctl_elem_info *info)
451 {
452         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
453         info->count = 1;
454         info->value.integer.min = 0;
455         info->value.integer.max = 1;
456         return 0;
457 }
458
459 static int monitor_get(struct snd_kcontrol *ctl,
460                        struct snd_ctl_elem_value *value)
461 {
462         struct oxygen *chip = ctl->private_data;
463         u8 bit = ctl->private_value;
464         int invert = ctl->private_value & (1 << 8);
465
466         value->value.integer.value[0] =
467                 !!invert ^ !!(oxygen_read8(chip, OXYGEN_ADC_MONITOR) & bit);
468         return 0;
469 }
470
471 static int monitor_put(struct snd_kcontrol *ctl,
472                        struct snd_ctl_elem_value *value)
473 {
474         struct oxygen *chip = ctl->private_data;
475         u8 bit = ctl->private_value;
476         int invert = ctl->private_value & (1 << 8);
477         u8 oldreg, newreg;
478         int changed;
479
480         spin_lock_irq(&chip->reg_lock);
481         oldreg = oxygen_read8(chip, OXYGEN_ADC_MONITOR);
482         if ((!!value->value.integer.value[0] ^ !!invert) != 0)
483                 newreg = oldreg | bit;
484         else
485                 newreg = oldreg & ~bit;
486         changed = newreg != oldreg;
487         if (changed)
488                 oxygen_write8(chip, OXYGEN_ADC_MONITOR, newreg);
489         spin_unlock_irq(&chip->reg_lock);
490         return changed;
491 }
492
493 static int ac97_switch_get(struct snd_kcontrol *ctl,
494                            struct snd_ctl_elem_value *value)
495 {
496         struct oxygen *chip = ctl->private_data;
497         unsigned int codec = (ctl->private_value >> 24) & 1;
498         unsigned int index = ctl->private_value & 0xff;
499         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
500         int invert = ctl->private_value & (1 << 16);
501         u16 reg;
502
503         mutex_lock(&chip->mutex);
504         reg = oxygen_read_ac97(chip, codec, index);
505         mutex_unlock(&chip->mutex);
506         if (!(reg & (1 << bitnr)) ^ !invert)
507                 value->value.integer.value[0] = 1;
508         else
509                 value->value.integer.value[0] = 0;
510         return 0;
511 }
512
513 static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
514 {
515         unsigned int priv_idx;
516         u16 value;
517
518         if (!chip->controls[control])
519                 return;
520         priv_idx = chip->controls[control]->private_value & 0xff;
521         value = oxygen_read_ac97(chip, 0, priv_idx);
522         if (!(value & 0x8000)) {
523                 oxygen_write_ac97(chip, 0, priv_idx, value | 0x8000);
524                 if (chip->model.ac97_switch)
525                         chip->model.ac97_switch(chip, priv_idx, 0x8000);
526                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
527                                &chip->controls[control]->id);
528         }
529 }
530
531 static int ac97_switch_put(struct snd_kcontrol *ctl,
532                            struct snd_ctl_elem_value *value)
533 {
534         struct oxygen *chip = ctl->private_data;
535         unsigned int codec = (ctl->private_value >> 24) & 1;
536         unsigned int index = ctl->private_value & 0xff;
537         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
538         int invert = ctl->private_value & (1 << 16);
539         u16 oldreg, newreg;
540         int change;
541
542         mutex_lock(&chip->mutex);
543         oldreg = oxygen_read_ac97(chip, codec, index);
544         newreg = oldreg;
545         if (!value->value.integer.value[0] ^ !invert)
546                 newreg |= 1 << bitnr;
547         else
548                 newreg &= ~(1 << bitnr);
549         change = newreg != oldreg;
550         if (change) {
551                 oxygen_write_ac97(chip, codec, index, newreg);
552                 if (codec == 0 && chip->model.ac97_switch)
553                         chip->model.ac97_switch(chip, index, newreg & 0x8000);
554                 if (index == AC97_LINE) {
555                         oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
556                                                  newreg & 0x8000 ?
557                                                  CM9780_GPO0 : 0, CM9780_GPO0);
558                         if (!(newreg & 0x8000)) {
559                                 mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
560                                 mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
561                                 mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
562                         }
563                 } else if ((index == AC97_MIC || index == AC97_CD ||
564                             index == AC97_VIDEO || index == AC97_AUX) &&
565                            bitnr == 15 && !(newreg & 0x8000)) {
566                         mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
567                         oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
568                                                  CM9780_GPO0, CM9780_GPO0);
569                 }
570         }
571         mutex_unlock(&chip->mutex);
572         return change;
573 }
574
575 static int ac97_volume_info(struct snd_kcontrol *ctl,
576                             struct snd_ctl_elem_info *info)
577 {
578         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
579         info->count = 2;
580         info->value.integer.min = 0;
581         info->value.integer.max = 0x1f;
582         return 0;
583 }
584
585 static int ac97_volume_get(struct snd_kcontrol *ctl,
586                            struct snd_ctl_elem_value *value)
587 {
588         struct oxygen *chip = ctl->private_data;
589         unsigned int codec = (ctl->private_value >> 24) & 1;
590         unsigned int index = ctl->private_value & 0xff;
591         u16 reg;
592
593         mutex_lock(&chip->mutex);
594         reg = oxygen_read_ac97(chip, codec, index);
595         mutex_unlock(&chip->mutex);
596         value->value.integer.value[0] = 31 - (reg & 0x1f);
597         value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f);
598         return 0;
599 }
600
601 static int ac97_volume_put(struct snd_kcontrol *ctl,
602                            struct snd_ctl_elem_value *value)
603 {
604         struct oxygen *chip = ctl->private_data;
605         unsigned int codec = (ctl->private_value >> 24) & 1;
606         unsigned int index = ctl->private_value & 0xff;
607         u16 oldreg, newreg;
608         int change;
609
610         mutex_lock(&chip->mutex);
611         oldreg = oxygen_read_ac97(chip, codec, index);
612         newreg = oldreg;
613         newreg = (newreg & ~0x1f) |
614                 (31 - (value->value.integer.value[0] & 0x1f));
615         newreg = (newreg & ~0x1f00) |
616                 ((31 - (value->value.integer.value[0] & 0x1f)) << 8);
617         change = newreg != oldreg;
618         if (change)
619                 oxygen_write_ac97(chip, codec, index, newreg);
620         mutex_unlock(&chip->mutex);
621         return change;
622 }
623
624 static int ac97_fp_rec_volume_info(struct snd_kcontrol *ctl,
625                                    struct snd_ctl_elem_info *info)
626 {
627         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
628         info->count = 2;
629         info->value.integer.min = 0;
630         info->value.integer.max = 7;
631         return 0;
632 }
633
634 static int ac97_fp_rec_volume_get(struct snd_kcontrol *ctl,
635                                   struct snd_ctl_elem_value *value)
636 {
637         struct oxygen *chip = ctl->private_data;
638         u16 reg;
639
640         mutex_lock(&chip->mutex);
641         reg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
642         mutex_unlock(&chip->mutex);
643         value->value.integer.value[0] = reg & 7;
644         value->value.integer.value[1] = (reg >> 8) & 7;
645         return 0;
646 }
647
648 static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
649                                   struct snd_ctl_elem_value *value)
650 {
651         struct oxygen *chip = ctl->private_data;
652         u16 oldreg, newreg;
653         int change;
654
655         mutex_lock(&chip->mutex);
656         oldreg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
657         newreg = oldreg & ~0x0707;
658         newreg = newreg | (value->value.integer.value[0] & 7);
659         newreg = newreg | ((value->value.integer.value[0] & 7) << 8);
660         change = newreg != oldreg;
661         if (change)
662                 oxygen_write_ac97(chip, 1, AC97_REC_GAIN, newreg);
663         mutex_unlock(&chip->mutex);
664         return change;
665 }
666
667 #define AC97_SWITCH(xname, codec, index, bitnr, invert) { \
668                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
669                 .name = xname, \
670                 .info = snd_ctl_boolean_mono_info, \
671                 .get = ac97_switch_get, \
672                 .put = ac97_switch_put, \
673                 .private_value = ((codec) << 24) | ((invert) << 16) | \
674                                  ((bitnr) << 8) | (index), \
675         }
676 #define AC97_VOLUME(xname, codec, index) { \
677                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
678                 .name = xname, \
679                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
680                           SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
681                 .info = ac97_volume_info, \
682                 .get = ac97_volume_get, \
683                 .put = ac97_volume_put, \
684                 .tlv = { .p = ac97_db_scale, }, \
685                 .private_value = ((codec) << 24) | (index), \
686         }
687
688 static DECLARE_TLV_DB_SCALE(monitor_db_scale, -1000, 1000, 0);
689 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
690 static DECLARE_TLV_DB_SCALE(ac97_rec_db_scale, 0, 150, 0);
691
692 static const struct snd_kcontrol_new controls[] = {
693         {
694                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
695                 .name = "Master Playback Volume",
696                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
697                 .info = dac_volume_info,
698                 .get = dac_volume_get,
699                 .put = dac_volume_put,
700         },
701         {
702                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
703                 .name = "Master Playback Switch",
704                 .info = snd_ctl_boolean_mono_info,
705                 .get = dac_mute_get,
706                 .put = dac_mute_put,
707         },
708         {
709                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
710                 .name = "Stereo Upmixing",
711                 .info = upmix_info,
712                 .get = upmix_get,
713                 .put = upmix_put,
714         },
715         {
716                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
717                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
718                 .info = snd_ctl_boolean_mono_info,
719                 .get = spdif_switch_get,
720                 .put = spdif_switch_put,
721         },
722         {
723                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
724                 .device = 1,
725                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
726                 .info = spdif_info,
727                 .get = spdif_default_get,
728                 .put = spdif_default_put,
729         },
730         {
731                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
732                 .device = 1,
733                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
734                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
735                 .info = spdif_info,
736                 .get = spdif_mask_get,
737         },
738         {
739                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
740                 .device = 1,
741                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
742                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
743                           SNDRV_CTL_ELEM_ACCESS_INACTIVE,
744                 .info = spdif_info,
745                 .get = spdif_pcm_get,
746                 .put = spdif_pcm_put,
747         },
748 };
749
750 static const struct snd_kcontrol_new spdif_input_controls[] = {
751         {
752                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
753                 .device = 1,
754                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
755                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
756                 .info = spdif_info,
757                 .get = spdif_input_mask_get,
758         },
759         {
760                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
761                 .device = 1,
762                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
763                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
764                 .info = spdif_info,
765                 .get = spdif_input_default_get,
766         },
767         {
768                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
769                 .name = SNDRV_CTL_NAME_IEC958("Loopback ", NONE, SWITCH),
770                 .info = snd_ctl_boolean_mono_info,
771                 .get = spdif_loopback_get,
772                 .put = spdif_loopback_put,
773         },
774 };
775
776 static const struct {
777         unsigned int pcm_dev;
778         struct snd_kcontrol_new controls[2];
779 } monitor_controls[] = {
780         {
781                 .pcm_dev = CAPTURE_0_FROM_I2S_1,
782                 .controls = {
783                         {
784                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
785                                 .name = "Analog Input Monitor Switch",
786                                 .info = snd_ctl_boolean_mono_info,
787                                 .get = monitor_get,
788                                 .put = monitor_put,
789                                 .private_value = OXYGEN_ADC_MONITOR_A,
790                         },
791                         {
792                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
793                                 .name = "Analog Input Monitor Volume",
794                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
795                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
796                                 .info = monitor_volume_info,
797                                 .get = monitor_get,
798                                 .put = monitor_put,
799                                 .private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL
800                                                 | (1 << 8),
801                                 .tlv = { .p = monitor_db_scale, },
802                         },
803                 },
804         },
805         {
806                 .pcm_dev = CAPTURE_0_FROM_I2S_2,
807                 .controls = {
808                         {
809                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
810                                 .name = "Analog Input Monitor Switch",
811                                 .info = snd_ctl_boolean_mono_info,
812                                 .get = monitor_get,
813                                 .put = monitor_put,
814                                 .private_value = OXYGEN_ADC_MONITOR_B,
815                         },
816                         {
817                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
818                                 .name = "Analog Input Monitor Volume",
819                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
820                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
821                                 .info = monitor_volume_info,
822                                 .get = monitor_get,
823                                 .put = monitor_put,
824                                 .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
825                                                 | (1 << 8),
826                                 .tlv = { .p = monitor_db_scale, },
827                         },
828                 },
829         },
830         {
831                 .pcm_dev = CAPTURE_2_FROM_I2S_2,
832                 .controls = {
833                         {
834                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
835                                 .name = "Analog Input Monitor Switch",
836                                 .index = 1,
837                                 .info = snd_ctl_boolean_mono_info,
838                                 .get = monitor_get,
839                                 .put = monitor_put,
840                                 .private_value = OXYGEN_ADC_MONITOR_B,
841                         },
842                         {
843                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
844                                 .name = "Analog Input Monitor Volume",
845                                 .index = 1,
846                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
847                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
848                                 .info = monitor_volume_info,
849                                 .get = monitor_get,
850                                 .put = monitor_put,
851                                 .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
852                                                 | (1 << 8),
853                                 .tlv = { .p = monitor_db_scale, },
854                         },
855                 },
856         },
857         {
858                 .pcm_dev = CAPTURE_1_FROM_SPDIF,
859                 .controls = {
860                         {
861                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
862                                 .name = "Digital Input Monitor Switch",
863                                 .info = snd_ctl_boolean_mono_info,
864                                 .get = monitor_get,
865                                 .put = monitor_put,
866                                 .private_value = OXYGEN_ADC_MONITOR_C,
867                         },
868                         {
869                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
870                                 .name = "Digital Input Monitor Volume",
871                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
872                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
873                                 .info = monitor_volume_info,
874                                 .get = monitor_get,
875                                 .put = monitor_put,
876                                 .private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
877                                                 | (1 << 8),
878                                 .tlv = { .p = monitor_db_scale, },
879                         },
880                 },
881         },
882 };
883
884 static const struct snd_kcontrol_new ac97_controls[] = {
885         AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC),
886         AC97_SWITCH("Mic Capture Switch", 0, AC97_MIC, 15, 1),
887         AC97_SWITCH("Mic Boost (+20dB)", 0, AC97_MIC, 6, 0),
888         AC97_SWITCH("Line Capture Switch", 0, AC97_LINE, 15, 1),
889         AC97_VOLUME("CD Capture Volume", 0, AC97_CD),
890         AC97_SWITCH("CD Capture Switch", 0, AC97_CD, 15, 1),
891         AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX),
892         AC97_SWITCH("Aux Capture Switch", 0, AC97_AUX, 15, 1),
893 };
894
895 static const struct snd_kcontrol_new ac97_fp_controls[] = {
896         AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE),
897         AC97_SWITCH("Front Panel Playback Switch", 1, AC97_HEADPHONE, 15, 1),
898         {
899                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
900                 .name = "Front Panel Capture Volume",
901                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
902                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
903                 .info = ac97_fp_rec_volume_info,
904                 .get = ac97_fp_rec_volume_get,
905                 .put = ac97_fp_rec_volume_put,
906                 .tlv = { .p = ac97_rec_db_scale, },
907         },
908         AC97_SWITCH("Front Panel Capture Switch", 1, AC97_REC_GAIN, 15, 1),
909 };
910
911 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
912 {
913         struct oxygen *chip = ctl->private_data;
914         unsigned int i;
915
916         /* I'm too lazy to write a function for each control :-) */
917         for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
918                 chip->controls[i] = NULL;
919 }
920
921 static int add_controls(struct oxygen *chip,
922                         const struct snd_kcontrol_new controls[],
923                         unsigned int count)
924 {
925         static const char *const known_ctl_names[CONTROL_COUNT] = {
926                 [CONTROL_SPDIF_PCM] =
927                         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
928                 [CONTROL_SPDIF_INPUT_BITS] =
929                         SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
930                 [CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
931                 [CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
932                 [CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
933                 [CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
934         };
935         unsigned int i, j;
936         struct snd_kcontrol_new template;
937         struct snd_kcontrol *ctl;
938         int err;
939
940         for (i = 0; i < count; ++i) {
941                 template = controls[i];
942                 if (chip->model.control_filter) {
943                         err = chip->model.control_filter(&template);
944                         if (err < 0)
945                                 return err;
946                         if (err == 1)
947                                 continue;
948                 }
949                 if (!strcmp(template.name, "Master Playback Volume") &&
950                     chip->model.dac_tlv) {
951                         template.tlv.p = chip->model.dac_tlv;
952                         template.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
953                 }
954                 ctl = snd_ctl_new1(&template, chip);
955                 if (!ctl)
956                         return -ENOMEM;
957                 err = snd_ctl_add(chip->card, ctl);
958                 if (err < 0)
959                         return err;
960                 for (j = 0; j < CONTROL_COUNT; ++j)
961                         if (!strcmp(ctl->id.name, known_ctl_names[j])) {
962                                 chip->controls[j] = ctl;
963                                 ctl->private_free = oxygen_any_ctl_free;
964                         }
965         }
966         return 0;
967 }
968
969 int oxygen_mixer_init(struct oxygen *chip)
970 {
971         unsigned int i;
972         int err;
973
974         err = add_controls(chip, controls, ARRAY_SIZE(controls));
975         if (err < 0)
976                 return err;
977         if (chip->model.device_config & CAPTURE_1_FROM_SPDIF) {
978                 err = add_controls(chip, spdif_input_controls,
979                                    ARRAY_SIZE(spdif_input_controls));
980                 if (err < 0)
981                         return err;
982         }
983         for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
984                 if (!(chip->model.device_config & monitor_controls[i].pcm_dev))
985                         continue;
986                 err = add_controls(chip, monitor_controls[i].controls,
987                                    ARRAY_SIZE(monitor_controls[i].controls));
988                 if (err < 0)
989                         return err;
990         }
991         if (chip->has_ac97_0) {
992                 err = add_controls(chip, ac97_controls,
993                                    ARRAY_SIZE(ac97_controls));
994                 if (err < 0)
995                         return err;
996         }
997         if (chip->has_ac97_1) {
998                 err = add_controls(chip, ac97_fp_controls,
999                                    ARRAY_SIZE(ac97_fp_controls));
1000                 if (err < 0)
1001                         return err;
1002         }
1003         return chip->model.mixer_init ? chip->model.mixer_init(chip) : 0;
1004 }