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 int ac97_switch_put(struct snd_kcontrol *ctl,
 406                            struct snd_ctl_elem_value *value)
 407 {
 408         struct oxygen *chip = ctl->private_data;
 409         unsigned int index = ctl->private_value & 0xff;
 410         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
 411         int invert = ctl->private_value & (1 << 16);
 412         u16 oldreg, newreg;
 413         int change;
 414
 415         mutex_lock(&chip->mutex);
 416         oldreg = oxygen_read_ac97(chip, 0, index);
 417         newreg = oldreg;
 418         if (!value->value.integer.value[0] ^ !invert)
 419                 newreg |= 1 << bitnr;
 420         else
 421                 newreg &= ~(1 << bitnr);
 422         change = newreg != oldreg;
 423         if (change) {
 424                 oxygen_write_ac97(chip, 0, index, newreg);
 425                 if (index == AC97_LINE)
 426                         oxygen_write_ac97_masked(chip, 0, 0x72,
 427                                                  !!(newreg & 0x8000), 0x0001);
 428         }
 429         mutex_unlock(&chip->mutex);
 430         return change;
 431 }
 432
 433 static int ac97_volume_info(struct snd_kcontrol *ctl,
 434                             struct snd_ctl_elem_info *info)
 435 {
 436         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 437         info->count = 2;
 438         info->value.integer.min = 0;
 439         info->value.integer.max = 0x1f;
 440         return 0;
 441 }
 442
 443 static int ac97_volume_get(struct snd_kcontrol *ctl,
 444                            struct snd_ctl_elem_value *value)
 445 {
 446         struct oxygen *chip = ctl->private_data;
 447         unsigned int index = ctl->private_value;
 448         u16 reg;
 449
 450         mutex_lock(&chip->mutex);
 451         reg = oxygen_read_ac97(chip, 0, index);
 452         mutex_unlock(&chip->mutex);
 453         value->value.integer.value[0] = 31 - (reg & 0x1f);
 454         value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f);
 455         return 0;
 456 }
 457
 458 static int ac97_volume_put(struct snd_kcontrol *ctl,
 459                            struct snd_ctl_elem_value *value)
 460 {
 461         struct oxygen *chip = ctl->private_data;
 462         unsigned int index = ctl->private_value;
 463         u16 oldreg, newreg;
 464         int change;
 465
 466         mutex_lock(&chip->mutex);
 467         oldreg = oxygen_read_ac97(chip, 0, index);
 468         newreg = oldreg;
 469         newreg = (newreg & ~0x1f) |
 470                 (31 - (value->value.integer.value[0] & 0x1f));
 471         newreg = (newreg & ~0x1f00) |
 472                 ((31 - (value->value.integer.value[0] & 0x1f)) << 8);
 473         change = newreg != oldreg;
 474         if (change)
 475                 oxygen_write_ac97(chip, 0, index, newreg);
 476         mutex_unlock(&chip->mutex);
 477         return change;
 478 }
 479
 480 #define AC97_SWITCH(xname, index, bitnr, invert) { \
 481                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 482                 .name = xname, \
 483                 .info = snd_ctl_boolean_mono_info, \
 484                 .get = ac97_switch_get, \
 485                 .put = ac97_switch_put, \
 486                 .private_value = ((invert) << 16) | ((bitnr) << 8) | (index), \
 487         }
 488 #define AC97_VOLUME(xname, index) { \
 489                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 490                 .name = xname, \
 491                 .info = ac97_volume_info, \
 492                 .get = ac97_volume_get, \
 493                 .put = ac97_volume_put, \
 494                 .tlv = { .p = ac97_db_scale, }, \
 495                 .private_value = (index), \
 496         }
 497
 498 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
 499
 500 static const struct snd_kcontrol_new controls[] = {
 501         {
 502                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 503                 .name = "PCM Playback Volume",
 504                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 505                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 506                 .info = dac_volume_info,
 507                 .get = dac_volume_get,
 508                 .put = dac_volume_put,
 509                 .tlv = {
 510                         .p = NULL, /* set later */
 511                 },
 512         },
 513         {
 514                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 515                 .name = "PCM Playback Switch",
 516                 .info = snd_ctl_boolean_mono_info,
 517                 .get = dac_mute_get,
 518                 .put = dac_mute_put,
 519         },
 520         {
 521                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 522                 .name = "Stereo Upmixing",
 523                 .info = upmix_info,
 524                 .get = upmix_get,
 525                 .put = upmix_put,
 526         },
 527         {
 528                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 529                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
 530                 .info = snd_ctl_boolean_mono_info,
 531                 .get = spdif_switch_get,
 532                 .put = spdif_switch_put,
 533         },
 534         {
 535                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 536                 .device = 1,
 537                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
 538                 .info = spdif_info,
 539                 .get = spdif_default_get,
 540                 .put = spdif_default_put,
 541         },
 542         {
 543                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 544                 .device = 1,
 545                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
 546                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 547                 .info = spdif_info,
 548                 .get = spdif_mask_get,
 549         },
 550         {
 551                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 552                 .device = 1,
 553                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
 554                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 555                           SNDRV_CTL_ELEM_ACCESS_INACTIVE,
 556                 .info = spdif_info,
 557                 .get = spdif_pcm_get,
 558                 .put = spdif_pcm_put,
 559         },
 560         {
 561                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 562                 .device = 1,
 563                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
 564                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 565                 .info = spdif_info,
 566                 .get = spdif_input_mask_get,
 567         },
 568         {
 569                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 570                 .device = 1,
 571                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
 572                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 573                 .info = spdif_info,
 574                 .get = spdif_input_default_get,
 575         },
 576         AC97_VOLUME("Mic Capture Volume", AC97_MIC),
 577         AC97_SWITCH("Mic Capture Switch", AC97_MIC, 15, 1),
 578         AC97_SWITCH("Mic Boost (+20dB)", AC97_MIC, 6, 0),
 579         AC97_SWITCH("Line Capture Switch", AC97_LINE, 15, 1),
 580         AC97_VOLUME("CD Capture Volume", AC97_CD),
 581         AC97_SWITCH("CD Capture Switch", AC97_CD, 15, 1),
 582         AC97_VOLUME("Aux Capture Volume", AC97_AUX),
 583         AC97_SWITCH("Aux Capture Switch", AC97_AUX, 15, 1),
 584 };
 585
 586 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
 587 {
 588         struct oxygen *chip = ctl->private_data;
 589
 590         /* I'm too lazy to write a function for each control :-) */
 591         chip->spdif_pcm_ctl = NULL;
 592         chip->spdif_input_bits_ctl = NULL;
 593 }
 594
 595 int oxygen_mixer_init(struct oxygen *chip)
 596 {
 597         unsigned int i;
 598         struct snd_kcontrol *ctl;
 599         int err;
 600
 601         for (i = 0; i < ARRAY_SIZE(controls); ++i) {
 602                 ctl = snd_ctl_new1(&controls[i], chip);
 603                 if (!ctl)
 604                         return -ENOMEM;
 605                 if (!strcmp(ctl->id.name, "PCM Playback Volume"))
 606                         ctl->tlv.p = chip->model->dac_tlv;
 607                 else if (chip->model->cd_in_from_video_in &&
 608                          !strncmp(ctl->id.name, "CD Capture ", 11))
 609                         ctl->private_value ^= AC97_CD ^ AC97_VIDEO;
 610                 err = snd_ctl_add(chip->card, ctl);
 611                 if (err < 0)
 612                         return err;
 613                 if (!strcmp(ctl->id.name,
 614                             SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM))) {
 615                         chip->spdif_pcm_ctl = ctl;
 616                         ctl->private_free = oxygen_any_ctl_free;
 617                 } else if (!strcmp(ctl->id.name,
 618                                  SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT))) {
 619                         chip->spdif_input_bits_ctl = ctl;
 620                         ctl->private_free = oxygen_any_ctl_free;
 621                 }
 622         }
 623         return chip->model->mixer_init ? chip->model->mixer_init(chip) : 0;
 624 }