[ALSA] oxygen: make AC97 codec optional
[safe/jmp/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
27 static int dac_volume_info(struct snd_kcontrol *ctl,
28                            struct snd_ctl_elem_info *info)
29 {
30         struct oxygen *chip = ctl->private_data;
31
32         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
33         info->count = 8;
34         info->value.integer.min = chip->model->dac_minimum_volume;
35         info->value.integer.max = 0xff;
36         return 0;
37 }
38
39 static int dac_volume_get(struct snd_kcontrol *ctl,
40                           struct snd_ctl_elem_value *value)
41 {
42         struct oxygen *chip = ctl->private_data;
43         unsigned int i;
44
45         mutex_lock(&chip->mutex);
46         for (i = 0; i < 8; ++i)
47                 value->value.integer.value[i] = chip->dac_volume[i];
48         mutex_unlock(&chip->mutex);
49         return 0;
50 }
51
52 static int dac_volume_put(struct snd_kcontrol *ctl,
53                           struct snd_ctl_elem_value *value)
54 {
55         struct oxygen *chip = ctl->private_data;
56         unsigned int i;
57         int changed;
58
59         changed = 0;
60         mutex_lock(&chip->mutex);
61         for (i = 0; i < 8; ++i)
62                 if (value->value.integer.value[i] != chip->dac_volume[i]) {
63                         chip->dac_volume[i] = value->value.integer.value[i];
64                         changed = 1;
65                 }
66         if (changed)
67                 chip->model->update_dac_volume(chip);
68         mutex_unlock(&chip->mutex);
69         return changed;
70 }
71
72 static int dac_mute_get(struct snd_kcontrol *ctl,
73                         struct snd_ctl_elem_value *value)
74 {
75         struct oxygen *chip = ctl->private_data;
76
77         mutex_lock(&chip->mutex);
78         value->value.integer.value[0] = !chip->dac_mute;
79         mutex_unlock(&chip->mutex);
80         return 0;
81 }
82
83 static int dac_mute_put(struct snd_kcontrol *ctl,
84                           struct snd_ctl_elem_value *value)
85 {
86         struct oxygen *chip = ctl->private_data;
87         int changed;
88
89         mutex_lock(&chip->mutex);
90         changed = !value->value.integer.value[0] != chip->dac_mute;
91         if (changed) {
92                 chip->dac_mute = !value->value.integer.value[0];
93                 chip->model->update_dac_mute(chip);
94         }
95         mutex_unlock(&chip->mutex);
96         return changed;
97 }
98
99 static int upmix_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
100 {
101         static const char *const names[3] = {
102                 "Front", "Front+Surround", "Front+Surround+Back"
103         };
104         info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
105         info->count = 1;
106         info->value.enumerated.items = 3;
107         if (info->value.enumerated.item > 2)
108                 info->value.enumerated.item = 2;
109         strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
110         return 0;
111 }
112
113 static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
114 {
115         struct oxygen *chip = ctl->private_data;
116
117         mutex_lock(&chip->mutex);
118         value->value.enumerated.item[0] = chip->dac_routing;
119         mutex_unlock(&chip->mutex);
120         return 0;
121 }
122
123 void oxygen_update_dac_routing(struct oxygen *chip)
124 {
125         static const unsigned int reg_values[3] = {
126                 0xe100, /* front <- 0, surround <- 1, center <- 2, back <- 3 */
127                 0xe000, /* front <- 0, surround <- 0, center <- 2, back <- 3 */
128                 0x2000  /* front <- 0, surround <- 0, center <- 2, back <- 0 */
129         };
130         u8 channels;
131         unsigned int reg_value;
132
133         channels = oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
134                 OXYGEN_PLAY_CHANNELS_MASK;
135         if (channels == OXYGEN_PLAY_CHANNELS_2)
136                 reg_value = reg_values[chip->dac_routing];
137         else if (channels == OXYGEN_PLAY_CHANNELS_8)
138                 reg_value = 0x6c00; /* surround <- 3, back <- 1 */
139         else
140                 reg_value = 0xe100;
141         oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value, 0xff00);
142 }
143
144 static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
145 {
146         struct oxygen *chip = ctl->private_data;
147         int changed;
148
149         mutex_lock(&chip->mutex);
150         changed = value->value.enumerated.item[0] != chip->dac_routing;
151         if (changed) {
152                 chip->dac_routing = min(value->value.enumerated.item[0], 2u);
153                 spin_lock_irq(&chip->reg_lock);
154                 oxygen_update_dac_routing(chip);
155                 spin_unlock_irq(&chip->reg_lock);
156         }
157         mutex_unlock(&chip->mutex);
158         return changed;
159 }
160
161 static int spdif_switch_get(struct snd_kcontrol *ctl,
162                             struct snd_ctl_elem_value *value)
163 {
164         struct oxygen *chip = ctl->private_data;
165
166         mutex_lock(&chip->mutex);
167         value->value.integer.value[0] = chip->spdif_playback_enable;
168         mutex_unlock(&chip->mutex);
169         return 0;
170 }
171
172 static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
173 {
174         switch (oxygen_rate) {
175         case OXYGEN_RATE_32000:
176                 return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
177         case OXYGEN_RATE_44100:
178                 return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
179         default: /* OXYGEN_RATE_48000 */
180                 return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
181         case OXYGEN_RATE_64000:
182                 return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
183         case OXYGEN_RATE_88200:
184                 return 0x8 << OXYGEN_SPDIF_CS_RATE_SHIFT;
185         case OXYGEN_RATE_96000:
186                 return 0xa << OXYGEN_SPDIF_CS_RATE_SHIFT;
187         case OXYGEN_RATE_176400:
188                 return 0xc << OXYGEN_SPDIF_CS_RATE_SHIFT;
189         case OXYGEN_RATE_192000:
190                 return 0xe << OXYGEN_SPDIF_CS_RATE_SHIFT;
191         }
192 }
193
194 void oxygen_update_spdif_source(struct oxygen *chip)
195 {
196         u32 old_control, new_control;
197         u16 old_routing, new_routing;
198         unsigned int oxygen_rate;
199
200         old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
201         old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
202         if (chip->pcm_active & (1 << PCM_SPDIF)) {
203                 new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
204                 new_routing = (old_routing & ~0x00e0) | 0x0000;
205                 oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
206                         & OXYGEN_I2S_RATE_MASK;
207                 /* S/PDIF rate was already set by the caller */
208         } else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
209                    chip->spdif_playback_enable) {
210                 new_routing = (old_routing & ~0x00e0) | 0x0020;
211                 oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
212                         & OXYGEN_I2S_RATE_MASK;
213                 new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
214                         (oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
215                         OXYGEN_SPDIF_OUT_ENABLE;
216         } else {
217                 new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
218                 new_routing = old_routing;
219                 oxygen_rate = OXYGEN_RATE_44100;
220         }
221         if (old_routing != new_routing) {
222                 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
223                                new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
224                 oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
225         }
226         if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
227                 oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
228                                oxygen_spdif_rate(oxygen_rate) |
229                                ((chip->pcm_active & (1 << PCM_SPDIF)) ?
230                                 chip->spdif_pcm_bits : chip->spdif_bits));
231         oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
232 }
233
234 static int spdif_switch_put(struct snd_kcontrol *ctl,
235                             struct snd_ctl_elem_value *value)
236 {
237         struct oxygen *chip = ctl->private_data;
238         int changed;
239
240         mutex_lock(&chip->mutex);
241         changed = value->value.integer.value[0] != chip->spdif_playback_enable;
242         if (changed) {
243                 chip->spdif_playback_enable = !!value->value.integer.value[0];
244                 spin_lock_irq(&chip->reg_lock);
245                 oxygen_update_spdif_source(chip);
246                 spin_unlock_irq(&chip->reg_lock);
247         }
248         mutex_unlock(&chip->mutex);
249         return changed;
250 }
251
252 static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
253 {
254         info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
255         info->count = 1;
256         return 0;
257 }
258
259 static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
260 {
261         value->value.iec958.status[0] =
262                 bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
263                         OXYGEN_SPDIF_PREEMPHASIS);
264         value->value.iec958.status[1] = /* category and original */
265                 bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
266 }
267
268 static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
269 {
270         u32 bits;
271
272         bits = value->value.iec958.status[0] &
273                 (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
274                  OXYGEN_SPDIF_PREEMPHASIS);
275         bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
276         if (bits & OXYGEN_SPDIF_NONAUDIO)
277                 bits |= OXYGEN_SPDIF_V;
278         return bits;
279 }
280
281 static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
282 {
283         oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
284                               OXYGEN_SPDIF_NONAUDIO |
285                               OXYGEN_SPDIF_C |
286                               OXYGEN_SPDIF_PREEMPHASIS |
287                               OXYGEN_SPDIF_CATEGORY_MASK |
288                               OXYGEN_SPDIF_ORIGINAL |
289                               OXYGEN_SPDIF_V);
290 }
291
292 static int spdif_default_get(struct snd_kcontrol *ctl,
293                              struct snd_ctl_elem_value *value)
294 {
295         struct oxygen *chip = ctl->private_data;
296
297         mutex_lock(&chip->mutex);
298         oxygen_to_iec958(chip->spdif_bits, value);
299         mutex_unlock(&chip->mutex);
300         return 0;
301 }
302
303 static int spdif_default_put(struct snd_kcontrol *ctl,
304                              struct snd_ctl_elem_value *value)
305 {
306         struct oxygen *chip = ctl->private_data;
307         u32 new_bits;
308         int changed;
309
310         new_bits = iec958_to_oxygen(value);
311         mutex_lock(&chip->mutex);
312         changed = new_bits != chip->spdif_bits;
313         if (changed) {
314                 chip->spdif_bits = new_bits;
315                 if (!(chip->pcm_active & (1 << PCM_SPDIF)))
316                         write_spdif_bits(chip, new_bits);
317         }
318         mutex_unlock(&chip->mutex);
319         return changed;
320 }
321
322 static int spdif_mask_get(struct snd_kcontrol *ctl,
323                           struct snd_ctl_elem_value *value)
324 {
325         value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
326                 IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
327         value->value.iec958.status[1] =
328                 IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
329         return 0;
330 }
331
332 static int spdif_pcm_get(struct snd_kcontrol *ctl,
333                          struct snd_ctl_elem_value *value)
334 {
335         struct oxygen *chip = ctl->private_data;
336
337         mutex_lock(&chip->mutex);
338         oxygen_to_iec958(chip->spdif_pcm_bits, value);
339         mutex_unlock(&chip->mutex);
340         return 0;
341 }
342
343 static int spdif_pcm_put(struct snd_kcontrol *ctl,
344                          struct snd_ctl_elem_value *value)
345 {
346         struct oxygen *chip = ctl->private_data;
347         u32 new_bits;
348         int changed;
349
350         new_bits = iec958_to_oxygen(value);
351         mutex_lock(&chip->mutex);
352         changed = new_bits != chip->spdif_pcm_bits;
353         if (changed) {
354                 chip->spdif_pcm_bits = new_bits;
355                 if (chip->pcm_active & (1 << PCM_SPDIF))
356                         write_spdif_bits(chip, new_bits);
357         }
358         mutex_unlock(&chip->mutex);
359         return changed;
360 }
361
362 static int spdif_input_mask_get(struct snd_kcontrol *ctl,
363                                 struct snd_ctl_elem_value *value)
364 {
365         value->value.iec958.status[0] = 0xff;
366         value->value.iec958.status[1] = 0xff;
367         value->value.iec958.status[2] = 0xff;
368         value->value.iec958.status[3] = 0xff;
369         return 0;
370 }
371
372 static int spdif_input_default_get(struct snd_kcontrol *ctl,
373                                    struct snd_ctl_elem_value *value)
374 {
375         struct oxygen *chip = ctl->private_data;
376         u32 bits;
377
378         bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
379         value->value.iec958.status[0] = bits;
380         value->value.iec958.status[1] = bits >> 8;
381         value->value.iec958.status[2] = bits >> 16;
382         value->value.iec958.status[3] = bits >> 24;
383         return 0;
384 }
385
386 static int ac97_switch_get(struct snd_kcontrol *ctl,
387                            struct snd_ctl_elem_value *value)
388 {
389         struct oxygen *chip = ctl->private_data;
390         unsigned int index = ctl->private_value & 0xff;
391         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
392         int invert = ctl->private_value & (1 << 16);
393         u16 reg;
394
395         mutex_lock(&chip->mutex);
396         reg = oxygen_read_ac97(chip, 0, index);
397         mutex_unlock(&chip->mutex);
398         if (!(reg & (1 << bitnr)) ^ !invert)
399                 value->value.integer.value[0] = 1;
400         else
401                 value->value.integer.value[0] = 0;
402         return 0;
403 }
404
405 static void ac97_mute_ctl(struct oxygen *chip, unsigned int control)
406 {
407         unsigned int index = chip->controls[control]->private_value & 0xff;
408         u16 value;
409
410         value = oxygen_read_ac97(chip, 0, index);
411         if (!(value & 0x8000)) {
412                 oxygen_write_ac97(chip, 0, index, value | 0x8000);
413                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
414                                &chip->controls[control]->id);
415         }
416 }
417
418 static int ac97_switch_put(struct snd_kcontrol *ctl,
419                            struct snd_ctl_elem_value *value)
420 {
421         struct oxygen *chip = ctl->private_data;
422         unsigned int index = ctl->private_value & 0xff;
423         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
424         int invert = ctl->private_value & (1 << 16);
425         u16 oldreg, newreg;
426         int change;
427
428         mutex_lock(&chip->mutex);
429         oldreg = oxygen_read_ac97(chip, 0, index);
430         newreg = oldreg;
431         if (!value->value.integer.value[0] ^ !invert)
432                 newreg |= 1 << bitnr;
433         else
434                 newreg &= ~(1 << bitnr);
435         change = newreg != oldreg;
436         if (change) {
437                 oxygen_write_ac97(chip, 0, index, newreg);
438                 if (index == AC97_LINE) {
439                         oxygen_write_ac97_masked(chip, 0, 0x72,
440                                                  !!(newreg & 0x8000), 0x0001);
441                         if (!(newreg & 0x8000)) {
442                                 ac97_mute_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
443                                 ac97_mute_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
444                                 ac97_mute_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
445                         }
446                 } else if ((index == AC97_MIC || index == AC97_CD ||
447                             index == AC97_VIDEO || index == AC97_AUX) &&
448                            bitnr == 15 && !(newreg & 0x8000)) {
449                         ac97_mute_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
450                         oxygen_write_ac97_masked(chip, 0, 0x72, 0x0001, 0x0001);
451                 }
452         }
453         mutex_unlock(&chip->mutex);
454         return change;
455 }
456
457 static int ac97_volume_info(struct snd_kcontrol *ctl,
458                             struct snd_ctl_elem_info *info)
459 {
460         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
461         info->count = 2;
462         info->value.integer.min = 0;
463         info->value.integer.max = 0x1f;
464         return 0;
465 }
466
467 static int ac97_volume_get(struct snd_kcontrol *ctl,
468                            struct snd_ctl_elem_value *value)
469 {
470         struct oxygen *chip = ctl->private_data;
471         unsigned int index = ctl->private_value;
472         u16 reg;
473
474         mutex_lock(&chip->mutex);
475         reg = oxygen_read_ac97(chip, 0, index);
476         mutex_unlock(&chip->mutex);
477         value->value.integer.value[0] = 31 - (reg & 0x1f);
478         value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f);
479         return 0;
480 }
481
482 static int ac97_volume_put(struct snd_kcontrol *ctl,
483                            struct snd_ctl_elem_value *value)
484 {
485         struct oxygen *chip = ctl->private_data;
486         unsigned int index = ctl->private_value;
487         u16 oldreg, newreg;
488         int change;
489
490         mutex_lock(&chip->mutex);
491         oldreg = oxygen_read_ac97(chip, 0, index);
492         newreg = oldreg;
493         newreg = (newreg & ~0x1f) |
494                 (31 - (value->value.integer.value[0] & 0x1f));
495         newreg = (newreg & ~0x1f00) |
496                 ((31 - (value->value.integer.value[0] & 0x1f)) << 8);
497         change = newreg != oldreg;
498         if (change)
499                 oxygen_write_ac97(chip, 0, index, newreg);
500         mutex_unlock(&chip->mutex);
501         return change;
502 }
503
504 #define AC97_SWITCH(xname, index, bitnr, invert) { \
505                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
506                 .name = xname, \
507                 .info = snd_ctl_boolean_mono_info, \
508                 .get = ac97_switch_get, \
509                 .put = ac97_switch_put, \
510                 .private_value = ((invert) << 16) | ((bitnr) << 8) | (index), \
511         }
512 #define AC97_VOLUME(xname, index) { \
513                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
514                 .name = xname, \
515                 .info = ac97_volume_info, \
516                 .get = ac97_volume_get, \
517                 .put = ac97_volume_put, \
518                 .tlv = { .p = ac97_db_scale, }, \
519                 .private_value = (index), \
520         }
521
522 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
523
524 static const struct snd_kcontrol_new controls[] = {
525         {
526                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
527                 .name = "Master Playback Volume",
528                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
529                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
530                 .info = dac_volume_info,
531                 .get = dac_volume_get,
532                 .put = dac_volume_put,
533                 .tlv = {
534                         .p = NULL, /* set later */
535                 },
536         },
537         {
538                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
539                 .name = "Master Playback Switch",
540                 .info = snd_ctl_boolean_mono_info,
541                 .get = dac_mute_get,
542                 .put = dac_mute_put,
543         },
544         {
545                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
546                 .name = "Stereo Upmixing",
547                 .info = upmix_info,
548                 .get = upmix_get,
549                 .put = upmix_put,
550         },
551         {
552                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
553                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
554                 .info = snd_ctl_boolean_mono_info,
555                 .get = spdif_switch_get,
556                 .put = spdif_switch_put,
557         },
558         {
559                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
560                 .device = 1,
561                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
562                 .info = spdif_info,
563                 .get = spdif_default_get,
564                 .put = spdif_default_put,
565         },
566         {
567                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
568                 .device = 1,
569                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
570                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
571                 .info = spdif_info,
572                 .get = spdif_mask_get,
573         },
574         {
575                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
576                 .device = 1,
577                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
578                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
579                           SNDRV_CTL_ELEM_ACCESS_INACTIVE,
580                 .info = spdif_info,
581                 .get = spdif_pcm_get,
582                 .put = spdif_pcm_put,
583         },
584         {
585                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
586                 .device = 1,
587                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
588                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
589                 .info = spdif_info,
590                 .get = spdif_input_mask_get,
591         },
592         {
593                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
594                 .device = 1,
595                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
596                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
597                 .info = spdif_info,
598                 .get = spdif_input_default_get,
599         },
600 };
601
602 static const struct snd_kcontrol_new ac97_controls[] = {
603         AC97_VOLUME("Mic Capture Volume", AC97_MIC),
604         AC97_SWITCH("Mic Capture Switch", AC97_MIC, 15, 1),
605         AC97_SWITCH("Mic Boost (+20dB)", AC97_MIC, 6, 0),
606         AC97_SWITCH("Line Capture Switch", AC97_LINE, 15, 1),
607         AC97_VOLUME("CD Capture Volume", AC97_CD),
608         AC97_SWITCH("CD Capture Switch", AC97_CD, 15, 1),
609         AC97_VOLUME("Aux Capture Volume", AC97_AUX),
610         AC97_SWITCH("Aux Capture Switch", AC97_AUX, 15, 1),
611 };
612
613 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
614 {
615         struct oxygen *chip = ctl->private_data;
616         unsigned int i;
617
618         /* I'm too lazy to write a function for each control :-) */
619         for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
620                 chip->controls[i] = NULL;
621 }
622
623 static int add_controls(struct oxygen *chip,
624                         const struct snd_kcontrol_new controls[],
625                         unsigned int count)
626 {
627         static const char *const known_ctl_names[CONTROL_COUNT] = {
628                 [CONTROL_SPDIF_PCM] =
629                         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
630                 [CONTROL_SPDIF_INPUT_BITS] =
631                         SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
632                 [CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
633                 [CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
634                 [CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
635                 [CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
636         };
637         unsigned int i, j;
638         struct snd_kcontrol *ctl;
639         int err;
640
641         for (i = 0; i < count; ++i) {
642                 ctl = snd_ctl_new1(&controls[i], chip);
643                 if (!ctl)
644                         return -ENOMEM;
645                 if (!strcmp(ctl->id.name, "Master Playback Volume"))
646                         ctl->tlv.p = chip->model->dac_tlv;
647                 else if (chip->model->cd_in_from_video_in &&
648                          !strncmp(ctl->id.name, "CD Capture ", 11))
649                         ctl->private_value ^= AC97_CD ^ AC97_VIDEO;
650                 err = snd_ctl_add(chip->card, ctl);
651                 if (err < 0)
652                         return err;
653                 for (j = 0; j < CONTROL_COUNT; ++j)
654                         if (!strcmp(ctl->id.name, known_ctl_names[j])) {
655                                 chip->controls[j] = ctl;
656                                 ctl->private_free = oxygen_any_ctl_free;
657                         }
658         }
659         return 0;
660 }
661
662 int oxygen_mixer_init(struct oxygen *chip)
663 {
664         int err;
665
666         err = add_controls(chip, controls, ARRAY_SIZE(controls));
667         if (err < 0)
668                 return err;
669         if (chip->has_ac97_0) {
670                 err = add_controls(chip, ac97_controls,
671                                    ARRAY_SIZE(ac97_controls));
672                 if (err < 0)
673                         return err;
674         }
675         return chip->model->mixer_init ? chip->model->mixer_init(chip) : 0;
676 }