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+Rear", "Front+Rear+Side"
 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         /*
 126          * hardware channel order: front, side, center/lfe, rear
 127          * ALSA channel order:     front, rear, center/lfe, side
 128          */
 129         static const unsigned int reg_values[3] = {
 130                 0x6c00, 0x2c00, 0x2000
 131         };
 132         unsigned int reg_value;
 133
 134         if ((oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
 135              OXYGEN_PLAY_CHANNELS_MASK) == OXYGEN_PLAY_CHANNELS_2)
 136                 reg_value = reg_values[chip->dac_routing];
 137         else
 138                 reg_value = 0x6c00;
 139         oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value, 0xff00);
 140 }
 141
 142 static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
 143 {
 144         struct oxygen *chip = ctl->private_data;
 145         int changed;
 146
 147         mutex_lock(&chip->mutex);
 148         changed = value->value.enumerated.item[0] != chip->dac_routing;
 149         if (changed) {
 150                 chip->dac_routing = min(value->value.enumerated.item[0], 2u);
 151                 spin_lock_irq(&chip->reg_lock);
 152                 oxygen_update_dac_routing(chip);
 153                 spin_unlock_irq(&chip->reg_lock);
 154         }
 155         mutex_unlock(&chip->mutex);
 156         return changed;
 157 }
 158
 159 static int spdif_switch_get(struct snd_kcontrol *ctl,
 160                             struct snd_ctl_elem_value *value)
 161 {
 162         struct oxygen *chip = ctl->private_data;
 163
 164         mutex_lock(&chip->mutex);
 165         value->value.integer.value[0] = chip->spdif_playback_enable;
 166         mutex_unlock(&chip->mutex);
 167         return 0;
 168 }
 169
 170 static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
 171 {
 172         switch (oxygen_rate) {
 173         case OXYGEN_RATE_32000:
 174                 return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 175         case OXYGEN_RATE_44100:
 176                 return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 177         default: /* OXYGEN_RATE_48000 */
 178                 return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 179         case OXYGEN_RATE_64000:
 180                 return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
 181         case OXYGEN_RATE_88200:
 182                 return 0x8 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 183         case OXYGEN_RATE_96000:
 184                 return 0xa << OXYGEN_SPDIF_CS_RATE_SHIFT;
 185         case OXYGEN_RATE_176400:
 186                 return 0xc << OXYGEN_SPDIF_CS_RATE_SHIFT;
 187         case OXYGEN_RATE_192000:
 188                 return 0xe << OXYGEN_SPDIF_CS_RATE_SHIFT;
 189         }
 190 }
 191
 192 void oxygen_update_spdif_source(struct oxygen *chip)
 193 {
 194         u32 old_control, new_control;
 195         u16 old_routing, new_routing;
 196         unsigned int oxygen_rate;
 197
 198         old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
 199         old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
 200         if (chip->pcm_active & (1 << PCM_SPDIF)) {
 201                 new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
 202                 new_routing = (old_routing & ~0x00e0) | 0x0000;
 203                 oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
 204                         & OXYGEN_I2S_RATE_MASK;
 205                 /* S/PDIF rate was already set by the caller */
 206         } else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
 207                    chip->spdif_playback_enable) {
 208                 new_routing = (old_routing & ~0x00e0) | 0x0020;
 209                 oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
 210                         & OXYGEN_I2S_RATE_MASK;
 211                 new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
 212                         (oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
 213                         OXYGEN_SPDIF_OUT_ENABLE;
 214         } else {
 215                 new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
 216                 new_routing = old_routing;
 217                 oxygen_rate = OXYGEN_RATE_44100;
 218         }
 219         if (old_routing != new_routing) {
 220                 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
 221                                new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
 222                 oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
 223         }
 224         if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
 225                 oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
 226                                oxygen_spdif_rate(oxygen_rate) |
 227                                ((chip->pcm_active & (1 << PCM_SPDIF)) ?
 228                                 chip->spdif_pcm_bits : chip->spdif_bits));
 229         oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
 230 }
 231
 232 static int spdif_switch_put(struct snd_kcontrol *ctl,
 233                             struct snd_ctl_elem_value *value)
 234 {
 235         struct oxygen *chip = ctl->private_data;
 236         int changed;
 237
 238         mutex_lock(&chip->mutex);
 239         changed = value->value.integer.value[0] != chip->spdif_playback_enable;
 240         if (changed) {
 241                 chip->spdif_playback_enable = !!value->value.integer.value[0];
 242                 spin_lock_irq(&chip->reg_lock);
 243                 oxygen_update_spdif_source(chip);
 244                 spin_unlock_irq(&chip->reg_lock);
 245         }
 246         mutex_unlock(&chip->mutex);
 247         return changed;
 248 }
 249
 250 static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
 251 {
 252         info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 253         info->count = 1;
 254         return 0;
 255 }
 256
 257 static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
 258 {
 259         value->value.iec958.status[0] =
 260                 bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
 261                         OXYGEN_SPDIF_PREEMPHASIS);
 262         value->value.iec958.status[1] = /* category and original */
 263                 bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
 264 }
 265
 266 static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
 267 {
 268         u32 bits;
 269
 270         bits = value->value.iec958.status[0] &
 271                 (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
 272                  OXYGEN_SPDIF_PREEMPHASIS);
 273         bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
 274         if (bits & OXYGEN_SPDIF_NONAUDIO)
 275                 bits |= OXYGEN_SPDIF_V;
 276         return bits;
 277 }
 278
 279 static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
 280 {
 281         oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
 282                               OXYGEN_SPDIF_NONAUDIO |
 283                               OXYGEN_SPDIF_C |
 284                               OXYGEN_SPDIF_PREEMPHASIS |
 285                               OXYGEN_SPDIF_CATEGORY_MASK |
 286                               OXYGEN_SPDIF_ORIGINAL |
 287                               OXYGEN_SPDIF_V);
 288 }
 289
 290 static int spdif_default_get(struct snd_kcontrol *ctl,
 291                              struct snd_ctl_elem_value *value)
 292 {
 293         struct oxygen *chip = ctl->private_data;
 294
 295         mutex_lock(&chip->mutex);
 296         oxygen_to_iec958(chip->spdif_bits, value);
 297         mutex_unlock(&chip->mutex);
 298         return 0;
 299 }
 300
 301 static int spdif_default_put(struct snd_kcontrol *ctl,
 302                              struct snd_ctl_elem_value *value)
 303 {
 304         struct oxygen *chip = ctl->private_data;
 305         u32 new_bits;
 306         int changed;
 307
 308         new_bits = iec958_to_oxygen(value);
 309         mutex_lock(&chip->mutex);
 310         changed = new_bits != chip->spdif_bits;
 311         if (changed) {
 312                 chip->spdif_bits = new_bits;
 313                 if (!(chip->pcm_active & (1 << PCM_SPDIF)))
 314                         write_spdif_bits(chip, new_bits);
 315         }
 316         mutex_unlock(&chip->mutex);
 317         return changed;
 318 }
 319
 320 static int spdif_mask_get(struct snd_kcontrol *ctl,
 321                           struct snd_ctl_elem_value *value)
 322 {
 323         value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
 324                 IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
 325         value->value.iec958.status[1] =
 326                 IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
 327         return 0;
 328 }
 329
 330 static int spdif_pcm_get(struct snd_kcontrol *ctl,
 331                          struct snd_ctl_elem_value *value)
 332 {
 333         struct oxygen *chip = ctl->private_data;
 334
 335         mutex_lock(&chip->mutex);
 336         oxygen_to_iec958(chip->spdif_pcm_bits, value);
 337         mutex_unlock(&chip->mutex);
 338         return 0;
 339 }
 340
 341 static int spdif_pcm_put(struct snd_kcontrol *ctl,
 342                          struct snd_ctl_elem_value *value)
 343 {
 344         struct oxygen *chip = ctl->private_data;
 345         u32 new_bits;
 346         int changed;
 347
 348         new_bits = iec958_to_oxygen(value);
 349         mutex_lock(&chip->mutex);
 350         changed = new_bits != chip->spdif_pcm_bits;
 351         if (changed) {
 352                 chip->spdif_pcm_bits = new_bits;
 353                 if (chip->pcm_active & (1 << PCM_SPDIF))
 354                         write_spdif_bits(chip, new_bits);
 355         }
 356         mutex_unlock(&chip->mutex);
 357         return changed;
 358 }
 359
 360 static int spdif_input_mask_get(struct snd_kcontrol *ctl,
 361                                 struct snd_ctl_elem_value *value)
 362 {
 363         value->value.iec958.status[0] = 0xff;
 364         value->value.iec958.status[1] = 0xff;
 365         value->value.iec958.status[2] = 0xff;
 366         value->value.iec958.status[3] = 0xff;
 367         return 0;
 368 }
 369
 370 static int spdif_input_default_get(struct snd_kcontrol *ctl,
 371                                    struct snd_ctl_elem_value *value)
 372 {
 373         struct oxygen *chip = ctl->private_data;
 374         u32 bits;
 375
 376         bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
 377         value->value.iec958.status[0] = bits;
 378         value->value.iec958.status[1] = bits >> 8;
 379         value->value.iec958.status[2] = bits >> 16;
 380         value->value.iec958.status[3] = bits >> 24;
 381         return 0;
 382 }
 383
 384 static int ac97_switch_get(struct snd_kcontrol *ctl,
 385                            struct snd_ctl_elem_value *value)
 386 {
 387         struct oxygen *chip = ctl->private_data;
 388         unsigned int index = ctl->private_value & 0xff;
 389         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
 390         int invert = ctl->private_value & (1 << 16);
 391         u16 reg;
 392
 393         mutex_lock(&chip->mutex);
 394         reg = oxygen_read_ac97(chip, 0, index);
 395         mutex_unlock(&chip->mutex);
 396         if (!(reg & (1 << bitnr)) ^ !invert)
 397                 value->value.integer.value[0] = 1;
 398         else
 399                 value->value.integer.value[0] = 0;
 400         return 0;
 401 }
 402
 403 static int ac97_switch_put(struct snd_kcontrol *ctl,
 404                            struct snd_ctl_elem_value *value)
 405 {
 406         struct oxygen *chip = ctl->private_data;
 407         unsigned int index = ctl->private_value & 0xff;
 408         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
 409         int invert = ctl->private_value & (1 << 16);
 410         u16 oldreg, newreg;
 411         int change;
 412
 413         mutex_lock(&chip->mutex);
 414         oldreg = oxygen_read_ac97(chip, 0, index);
 415         newreg = oldreg;
 416         if (!value->value.integer.value[0] ^ !invert)
 417                 newreg |= 1 << bitnr;
 418         else
 419                 newreg &= ~(1 << bitnr);
 420         change = newreg != oldreg;
 421         if (change) {
 422                 oxygen_write_ac97(chip, 0, index, newreg);
 423                 if (index == AC97_LINE)
 424                         oxygen_write_ac97_masked(chip, 0, 0x72,
 425                                                  !!(newreg & 0x8000), 0x0001);
 426         }
 427         mutex_unlock(&chip->mutex);
 428         return change;
 429 }
 430
 431 static int ac97_volume_info(struct snd_kcontrol *ctl,
 432                             struct snd_ctl_elem_info *info)
 433 {
 434         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 435         info->count = 2;
 436         info->value.integer.min = 0;
 437         info->value.integer.max = 0x1f;
 438         return 0;
 439 }
 440
 441 static int ac97_volume_get(struct snd_kcontrol *ctl,
 442                            struct snd_ctl_elem_value *value)
 443 {
 444         struct oxygen *chip = ctl->private_data;
 445         unsigned int index = ctl->private_value;
 446         u16 reg;
 447
 448         mutex_lock(&chip->mutex);
 449         reg = oxygen_read_ac97(chip, 0, index);
 450         mutex_unlock(&chip->mutex);
 451         value->value.integer.value[0] = 31 - (reg & 0x1f);
 452         value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f);
 453         return 0;
 454 }
 455
 456 static int ac97_volume_put(struct snd_kcontrol *ctl,
 457                            struct snd_ctl_elem_value *value)
 458 {
 459         struct oxygen *chip = ctl->private_data;
 460         unsigned int index = ctl->private_value;
 461         u16 oldreg, newreg;
 462         int change;
 463
 464         mutex_lock(&chip->mutex);
 465         oldreg = oxygen_read_ac97(chip, 0, index);
 466         newreg = oldreg;
 467         newreg = (newreg & ~0x1f) |
 468                 (31 - (value->value.integer.value[0] & 0x1f));
 469         newreg = (newreg & ~0x1f00) |
 470                 ((31 - (value->value.integer.value[0] & 0x1f)) << 8);
 471         change = newreg != oldreg;
 472         if (change)
 473                 oxygen_write_ac97(chip, 0, index, newreg);
 474         mutex_unlock(&chip->mutex);
 475         return change;
 476 }
 477
 478 #define AC97_SWITCH(xname, index, bitnr, invert) { \
 479                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 480                 .name = xname, \
 481                 .info = snd_ctl_boolean_mono_info, \
 482                 .get = ac97_switch_get, \
 483                 .put = ac97_switch_put, \
 484                 .private_value = ((invert) << 16) | ((bitnr) << 8) | (index), \
 485         }
 486 #define AC97_VOLUME(xname, index) { \
 487                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 488                 .name = xname, \
 489                 .info = ac97_volume_info, \
 490                 .get = ac97_volume_get, \
 491                 .put = ac97_volume_put, \
 492                 .tlv = { .p = ac97_db_scale, }, \
 493                 .private_value = (index), \
 494         }
 495
 496 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
 497
 498 static const struct snd_kcontrol_new controls[] = {
 499         {
 500                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 501                 .name = "PCM Playback Volume",
 502                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 503                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 504                 .info = dac_volume_info,
 505                 .get = dac_volume_get,
 506                 .put = dac_volume_put,
 507                 .tlv = {
 508                         .p = NULL, /* set later */
 509                 },
 510         },
 511         {
 512                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 513                 .name = "PCM Playback Switch",
 514                 .info = snd_ctl_boolean_mono_info,
 515                 .get = dac_mute_get,
 516                 .put = dac_mute_put,
 517         },
 518         {
 519                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 520                 .name = "Stereo Upmixing",
 521                 .info = upmix_info,
 522                 .get = upmix_get,
 523                 .put = upmix_put,
 524         },
 525         {
 526                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 527                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
 528                 .info = snd_ctl_boolean_mono_info,
 529                 .get = spdif_switch_get,
 530                 .put = spdif_switch_put,
 531         },
 532         {
 533                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 534                 .device = 1,
 535                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
 536                 .info = spdif_info,
 537                 .get = spdif_default_get,
 538                 .put = spdif_default_put,
 539         },
 540         {
 541                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 542                 .device = 1,
 543                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
 544                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 545                 .info = spdif_info,
 546                 .get = spdif_mask_get,
 547         },
 548         {
 549                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 550                 .device = 1,
 551                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
 552                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 553                           SNDRV_CTL_ELEM_ACCESS_INACTIVE,
 554                 .info = spdif_info,
 555                 .get = spdif_pcm_get,
 556                 .put = spdif_pcm_put,
 557         },
 558         {
 559                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 560                 .device = 1,
 561                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
 562                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 563                 .info = spdif_info,
 564                 .get = spdif_input_mask_get,
 565         },
 566         {
 567                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 568                 .device = 1,
 569                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
 570                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 571                 .info = spdif_info,
 572                 .get = spdif_input_default_get,
 573         },
 574         AC97_VOLUME("Mic Capture Volume", AC97_MIC),
 575         AC97_SWITCH("Mic Capture Switch", AC97_MIC, 15, 1),
 576         AC97_SWITCH("Mic Boost (+20dB)", AC97_MIC, 6, 0),
 577         AC97_SWITCH("Line Capture Switch", AC97_LINE, 15, 1),
 578         AC97_VOLUME("CD Capture Volume", AC97_CD),
 579         AC97_SWITCH("CD Capture Switch", AC97_CD, 15, 1),
 580         AC97_VOLUME("Aux Capture Volume", AC97_AUX),
 581         AC97_SWITCH("Aux Capture Switch", AC97_AUX, 15, 1),
 582 };
 583
 584 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
 585 {
 586         struct oxygen *chip = ctl->private_data;
 587
 588         /* I'm too lazy to write a function for each control :-) */
 589         chip->spdif_pcm_ctl = NULL;
 590         chip->spdif_input_bits_ctl = NULL;
 591 }
 592
 593 int oxygen_mixer_init(struct oxygen *chip)
 594 {
 595         unsigned int i;
 596         struct snd_kcontrol *ctl;
 597         int err;
 598
 599         for (i = 0; i < ARRAY_SIZE(controls); ++i) {
 600                 ctl = snd_ctl_new1(&controls[i], chip);
 601                 if (!ctl)
 602                         return -ENOMEM;
 603                 if (!strcmp(ctl->id.name, "PCM Playback Volume"))
 604                         ctl->tlv.p = chip->model->dac_tlv;
 605                 else if (chip->model->cd_in_from_video_in &&
 606                          !strncmp(ctl->id.name, "CD Capture ", 11))
 607                         ctl->private_value ^= AC97_CD ^ AC97_VIDEO;
 608                 err = snd_ctl_add(chip->card, ctl);
 609                 if (err < 0)
 610                         return err;
 611                 if (!strcmp(ctl->id.name,
 612                             SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM))) {
 613                         chip->spdif_pcm_ctl = ctl;
 614                         ctl->private_free = oxygen_any_ctl_free;
 615                 } else if (!strcmp(ctl->id.name,
 616                                  SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT))) {
 617                         chip->spdif_input_bits_ctl = ctl;
 618                         ctl->private_free = oxygen_any_ctl_free;
 619                 }
 620         }
 621         return chip->model->mixer_init ? chip->model->mixer_init(chip) : 0;
 622 }