git.oblomov.eu Git - linux-2.6/blob - 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 <sound/driver.h>
  21 #include <linux/mutex.h>
  22 #include <sound/ac97_codec.h>
  23 #include <sound/asoundef.h>
  24 #include <sound/control.h>
  25 #include <sound/tlv.h>
  26 #include "oxygen.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 = 8;
  35         info->value.integer.min = chip->model->dac_minimum_volume;
  36         info->value.integer.max = 0xff;
  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 < 8; ++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 < 8; ++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+Rear", "Front+Rear+Side"
 104         };
 105         info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 106         info->count = 1;
 107         info->value.enumerated.items = 3;
 108         if (info->value.enumerated.item > 2)
 109                 info->value.enumerated.item = 2;
 110         strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
 111         return 0;
 112 }
 113
 114 static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
 115 {
 116         struct oxygen *chip = ctl->private_data;
 117
 118         mutex_lock(&chip->mutex);
 119         value->value.enumerated.item[0] = chip->dac_routing;
 120         mutex_unlock(&chip->mutex);
 121         return 0;
 122 }
 123
 124 void oxygen_update_dac_routing(struct oxygen *chip)
 125 {
 126         /*
 127          * hardware channel order: front, side, center/lfe, rear
 128          * ALSA channel order:     front, rear, center/lfe, side
 129          */
 130         static const unsigned int reg_values[3] = {
 131                 0x6c00, 0x2c00, 0x2000
 132         };
 133         unsigned int reg_value;
 134
 135         if ((oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
 136              OXYGEN_PLAY_CHANNELS_MASK) == OXYGEN_PLAY_CHANNELS_2)
 137                 reg_value = reg_values[chip->dac_routing];
 138         else
 139                 reg_value = 0x6c00;
 140         oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value, 0xff00);
 141 }
 142
 143 static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
 144 {
 145         struct oxygen *chip = ctl->private_data;
 146         int changed;
 147
 148         mutex_lock(&chip->mutex);
 149         changed = value->value.enumerated.item[0] != chip->dac_routing;
 150         if (changed) {
 151                 chip->dac_routing = min(value->value.enumerated.item[0], 2u);
 152                 spin_lock_irq(&chip->reg_lock);
 153                 oxygen_update_dac_routing(chip);
 154                 spin_unlock_irq(&chip->reg_lock);
 155         }
 156         mutex_unlock(&chip->mutex);
 157         return changed;
 158 }
 159
 160 static int spdif_switch_get(struct snd_kcontrol *ctl,
 161                             struct snd_ctl_elem_value *value)
 162 {
 163         struct oxygen *chip = ctl->private_data;
 164
 165         mutex_lock(&chip->mutex);
 166         value->value.integer.value[0] = chip->spdif_playback_enable;
 167         mutex_unlock(&chip->mutex);
 168         return 0;
 169 }
 170
 171 static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
 172 {
 173         switch (oxygen_rate) {
 174         case OXYGEN_RATE_32000:
 175                 return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 176         case OXYGEN_RATE_44100:
 177                 return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 178         default: /* OXYGEN_RATE_48000 */
 179                 return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 180         case OXYGEN_RATE_64000:
 181                 return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
 182         case OXYGEN_RATE_88200:
 183                 return 0x8 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 184         case OXYGEN_RATE_96000:
 185                 return 0xa << OXYGEN_SPDIF_CS_RATE_SHIFT;
 186         case OXYGEN_RATE_176400:
 187                 return 0xc << OXYGEN_SPDIF_CS_RATE_SHIFT;
 188         case OXYGEN_RATE_192000:
 189                 return 0xe << OXYGEN_SPDIF_CS_RATE_SHIFT;
 190         }
 191 }
 192
 193 void oxygen_update_spdif_source(struct oxygen *chip)
 194 {
 195         u32 old_control, new_control;
 196         u16 old_routing, new_routing;
 197         unsigned int oxygen_rate;
 198
 199         old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
 200         old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
 201         if (chip->pcm_active & (1 << PCM_SPDIF)) {
 202                 new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
 203                 new_routing = (old_routing & ~0x00e0) | 0x0000;
 204                 oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
 205                         & OXYGEN_I2S_RATE_MASK;
 206                 /* S/PDIF rate was already set by the caller */
 207         } else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
 208                    chip->spdif_playback_enable) {
 209                 new_routing = (old_routing & ~0x00e0) | 0x0020;
 210                 oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
 211                         & OXYGEN_I2S_RATE_MASK;
 212                 new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
 213                         (oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
 214                         OXYGEN_SPDIF_OUT_ENABLE;
 215         } else {
 216                 new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
 217                 new_routing = old_routing;
 218                 oxygen_rate = OXYGEN_RATE_44100;
 219         }
 220         if (old_routing != new_routing) {
 221                 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
 222                                new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
 223                 oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
 224         }
 225         if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
 226                 oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
 227                                oxygen_spdif_rate(oxygen_rate) |
 228                                ((chip->pcm_active & (1 << PCM_SPDIF)) ?
 229                                 chip->spdif_pcm_bits : chip->spdif_bits));
 230         oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
 231 }
 232
 233 static int spdif_switch_put(struct snd_kcontrol *ctl,
 234                             struct snd_ctl_elem_value *value)
 235 {
 236         struct oxygen *chip = ctl->private_data;
 237         int changed;
 238
 239         mutex_lock(&chip->mutex);
 240         changed = value->value.integer.value[0] != chip->spdif_playback_enable;
 241         if (changed) {
 242                 chip->spdif_playback_enable = !!value->value.integer.value[0];
 243                 spin_lock_irq(&chip->reg_lock);
 244                 oxygen_update_spdif_source(chip);
 245                 spin_unlock_irq(&chip->reg_lock);
 246         }
 247         mutex_unlock(&chip->mutex);
 248         return changed;
 249 }
 250
 251 static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
 252 {
 253         info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 254         info->count = 1;
 255         return 0;
 256 }
 257
 258 static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
 259 {
 260         value->value.iec958.status[0] =
 261                 bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
 262                         OXYGEN_SPDIF_PREEMPHASIS);
 263         value->value.iec958.status[1] = /* category and original */
 264                 bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
 265 }
 266
 267 static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
 268 {
 269         u32 bits;
 270
 271         bits = value->value.iec958.status[0] &
 272                 (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
 273                  OXYGEN_SPDIF_PREEMPHASIS);
 274         bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
 275         if (bits & OXYGEN_SPDIF_NONAUDIO)
 276                 bits |= OXYGEN_SPDIF_V;
 277         return bits;
 278 }
 279
 280 static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
 281 {
 282         oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
 283                               OXYGEN_SPDIF_NONAUDIO |
 284                               OXYGEN_SPDIF_C |
 285                               OXYGEN_SPDIF_PREEMPHASIS |
 286                               OXYGEN_SPDIF_CATEGORY_MASK |
 287                               OXYGEN_SPDIF_ORIGINAL |
 288                               OXYGEN_SPDIF_V);
 289 }
 290
 291 static int spdif_default_get(struct snd_kcontrol *ctl,
 292                              struct snd_ctl_elem_value *value)
 293 {
 294         struct oxygen *chip = ctl->private_data;
 295
 296         mutex_lock(&chip->mutex);
 297         oxygen_to_iec958(chip->spdif_bits, value);
 298         mutex_unlock(&chip->mutex);
 299         return 0;
 300 }
 301
 302 static int spdif_default_put(struct snd_kcontrol *ctl,
 303                              struct snd_ctl_elem_value *value)
 304 {
 305         struct oxygen *chip = ctl->private_data;
 306         u32 new_bits;
 307         int changed;
 308
 309         new_bits = iec958_to_oxygen(value);
 310         mutex_lock(&chip->mutex);
 311         changed = new_bits != chip->spdif_bits;
 312         if (changed) {
 313                 chip->spdif_bits = new_bits;
 314                 if (!(chip->pcm_active & (1 << PCM_SPDIF)))
 315                         write_spdif_bits(chip, new_bits);
 316         }
 317         mutex_unlock(&chip->mutex);
 318         return changed;
 319 }
 320
 321 static int spdif_mask_get(struct snd_kcontrol *ctl,
 322                           struct snd_ctl_elem_value *value)
 323 {
 324         value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
 325                 IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
 326         value->value.iec958.status[1] =
 327                 IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
 328         return 0;
 329 }
 330
 331 static int spdif_pcm_get(struct snd_kcontrol *ctl,
 332                          struct snd_ctl_elem_value *value)
 333 {
 334         struct oxygen *chip = ctl->private_data;
 335
 336         mutex_lock(&chip->mutex);
 337         oxygen_to_iec958(chip->spdif_pcm_bits, value);
 338         mutex_unlock(&chip->mutex);
 339         return 0;
 340 }
 341
 342 static int spdif_pcm_put(struct snd_kcontrol *ctl,
 343                          struct snd_ctl_elem_value *value)
 344 {
 345         struct oxygen *chip = ctl->private_data;
 346         u32 new_bits;
 347         int changed;
 348
 349         new_bits = iec958_to_oxygen(value);
 350         mutex_lock(&chip->mutex);
 351         changed = new_bits != chip->spdif_pcm_bits;
 352         if (changed) {
 353                 chip->spdif_pcm_bits = new_bits;
 354                 if (chip->pcm_active & (1 << PCM_SPDIF))
 355                         write_spdif_bits(chip, new_bits);
 356         }
 357         mutex_unlock(&chip->mutex);
 358         return changed;
 359 }
 360
 361 static int spdif_input_mask_get(struct snd_kcontrol *ctl,
 362                                 struct snd_ctl_elem_value *value)
 363 {
 364         value->value.iec958.status[0] = 0xff;
 365         value->value.iec958.status[1] = 0xff;
 366         value->value.iec958.status[2] = 0xff;
 367         value->value.iec958.status[3] = 0xff;
 368         return 0;
 369 }
 370
 371 static int spdif_input_default_get(struct snd_kcontrol *ctl,
 372                                    struct snd_ctl_elem_value *value)
 373 {
 374         struct oxygen *chip = ctl->private_data;
 375         u32 bits;
 376
 377         bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
 378         value->value.iec958.status[0] = bits;
 379         value->value.iec958.status[1] = bits >> 8;
 380         value->value.iec958.status[2] = bits >> 16;
 381         value->value.iec958.status[3] = bits >> 24;
 382         return 0;
 383 }
 384
 385 static int ac97_switch_get(struct snd_kcontrol *ctl,
 386                            struct snd_ctl_elem_value *value)
 387 {
 388         struct oxygen *chip = ctl->private_data;
 389         unsigned int index = ctl->private_value & 0xff;
 390         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
 391         int invert = ctl->private_value & (1 << 16);
 392         u16 reg;
 393
 394         mutex_lock(&chip->mutex);
 395         reg = oxygen_read_ac97(chip, 0, index);
 396         mutex_unlock(&chip->mutex);
 397         if (!(reg & (1 << bitnr)) ^ !invert)
 398                 value->value.integer.value[0] = 1;
 399         else
 400                 value->value.integer.value[0] = 0;
 401         return 0;
 402 }
 403
 404 static int ac97_switch_put(struct snd_kcontrol *ctl,
 405                            struct snd_ctl_elem_value *value)
 406 {
 407         struct oxygen *chip = ctl->private_data;
 408         unsigned int index = ctl->private_value & 0xff;
 409         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
 410         int invert = ctl->private_value & (1 << 16);
 411         u16 oldreg, newreg;
 412         int change;
 413
 414         mutex_lock(&chip->mutex);
 415         oldreg = oxygen_read_ac97(chip, 0, index);
 416         newreg = oldreg;
 417         if (!value->value.integer.value[0] ^ !invert)
 418                 newreg |= 1 << bitnr;
 419         else
 420                 newreg &= ~(1 << bitnr);
 421         change = newreg != oldreg;
 422         if (change) {
 423                 oxygen_write_ac97(chip, 0, index, newreg);
 424                 if (index == AC97_LINE)
 425                         oxygen_write_ac97_masked(chip, 0, 0x72,
 426                                                  !!(newreg & 0x8000), 0x0001);
 427         }
 428         mutex_unlock(&chip->mutex);
 429         return change;
 430 }
 431
 432 static int ac97_volume_info(struct snd_kcontrol *ctl,
 433                             struct snd_ctl_elem_info *info)
 434 {
 435         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 436         info->count = 2;
 437         info->value.integer.min = 0;
 438         info->value.integer.max = 0x1f;
 439         return 0;
 440 }
 441
 442 static int ac97_volume_get(struct snd_kcontrol *ctl,
 443                            struct snd_ctl_elem_value *value)
 444 {
 445         struct oxygen *chip = ctl->private_data;
 446         unsigned int index = ctl->private_value;
 447         u16 reg;
 448
 449         mutex_lock(&chip->mutex);
 450         reg = oxygen_read_ac97(chip, 0, index);
 451         mutex_unlock(&chip->mutex);
 452         value->value.integer.value[0] = 31 - (reg & 0x1f);
 453         value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f);
 454         return 0;
 455 }
 456
 457 static int ac97_volume_put(struct snd_kcontrol *ctl,
 458                            struct snd_ctl_elem_value *value)
 459 {
 460         struct oxygen *chip = ctl->private_data;
 461         unsigned int index = ctl->private_value;
 462         u16 oldreg, newreg;
 463         int change;
 464
 465         mutex_lock(&chip->mutex);
 466         oldreg = oxygen_read_ac97(chip, 0, index);
 467         newreg = oldreg;
 468         newreg = (newreg & ~0x1f) |
 469                 (31 - (value->value.integer.value[0] & 0x1f));
 470         newreg = (newreg & ~0x1f00) |
 471                 ((31 - (value->value.integer.value[0] & 0x1f)) << 8);
 472         change = newreg != oldreg;
 473         if (change)
 474                 oxygen_write_ac97(chip, 0, index, newreg);
 475         mutex_unlock(&chip->mutex);
 476         return change;
 477 }
 478
 479 #define AC97_SWITCH(xname, index, bitnr, invert) { \
 480                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 481                 .name = xname, \
 482                 .info = snd_ctl_boolean_mono_info, \
 483                 .get = ac97_switch_get, \
 484                 .put = ac97_switch_put, \
 485                 .private_value = ((invert) << 16) | ((bitnr) << 8) | (index), \
 486         }
 487 #define AC97_VOLUME(xname, index) { \
 488                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 489                 .name = xname, \
 490                 .info = ac97_volume_info, \
 491                 .get = ac97_volume_get, \
 492                 .put = ac97_volume_put, \
 493                 .tlv = { .p = ac97_db_scale, }, \
 494                 .private_value = (index), \
 495         }
 496
 497 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
 498
 499 static const struct snd_kcontrol_new controls[] = {
 500         {
 501                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 502                 .name = "PCM Playback Volume",
 503                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 504                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 505                 .info = dac_volume_info,
 506                 .get = dac_volume_get,
 507                 .put = dac_volume_put,
 508                 .tlv = {
 509                         .p = NULL, /* set later */
 510                 },
 511         },
 512         {
 513                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 514                 .name = "PCM Playback Switch",
 515                 .info = snd_ctl_boolean_mono_info,
 516                 .get = dac_mute_get,
 517                 .put = dac_mute_put,
 518         },
 519         {
 520                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 521                 .name = "Stereo Upmixing",
 522                 .info = upmix_info,
 523                 .get = upmix_get,
 524                 .put = upmix_put,
 525         },
 526         {
 527                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 528                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
 529                 .info = snd_ctl_boolean_mono_info,
 530                 .get = spdif_switch_get,
 531                 .put = spdif_switch_put,
 532         },
 533         {
 534                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 535                 .device = 1,
 536                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
 537                 .info = spdif_info,
 538                 .get = spdif_default_get,
 539                 .put = spdif_default_put,
 540         },
 541         {
 542                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 543                 .device = 1,
 544                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
 545                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 546                 .info = spdif_info,
 547                 .get = spdif_mask_get,
 548         },
 549         {
 550                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 551                 .device = 1,
 552                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
 553                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 554                           SNDRV_CTL_ELEM_ACCESS_INACTIVE,
 555                 .info = spdif_info,
 556                 .get = spdif_pcm_get,
 557                 .put = spdif_pcm_put,
 558         },
 559         {
 560                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 561                 .device = 1,
 562                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
 563                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 564                 .info = spdif_info,
 565                 .get = spdif_input_mask_get,
 566         },
 567         {
 568                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 569                 .device = 1,
 570                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
 571                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 572                 .info = spdif_info,
 573                 .get = spdif_input_default_get,
 574         },
 575         AC97_VOLUME("Mic Capture Volume", AC97_MIC),
 576         AC97_SWITCH("Mic Capture Switch", AC97_MIC, 15, 1),
 577         AC97_SWITCH("Mic Boost (+20dB)", AC97_MIC, 6, 0),
 578         AC97_SWITCH("Line Capture Switch", AC97_LINE, 15, 1),
 579         AC97_VOLUME("CD Capture Volume", AC97_CD),
 580         AC97_SWITCH("CD Capture Switch", AC97_CD, 15, 1),
 581         AC97_VOLUME("Aux Capture Volume", AC97_AUX),
 582         AC97_SWITCH("Aux Capture Switch", AC97_AUX, 15, 1),
 583 };
 584
 585 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
 586 {
 587         struct oxygen *chip = ctl->private_data;
 588
 589         /* I'm too lazy to write a function for each control :-) */
 590         chip->spdif_pcm_ctl = NULL;
 591         chip->spdif_input_bits_ctl = NULL;
 592 }
 593
 594 int oxygen_mixer_init(struct oxygen *chip)
 595 {
 596         unsigned int i;
 597         struct snd_kcontrol *ctl;
 598         int err;
 599
 600         for (i = 0; i < ARRAY_SIZE(controls); ++i) {
 601                 ctl = snd_ctl_new1(&controls[i], chip);
 602                 if (!ctl)
 603                         return -ENOMEM;
 604                 if (!strcmp(ctl->id.name, "PCM Playback Volume"))
 605                         ctl->tlv.p = chip->model->dac_tlv;
 606                 else if (chip->model->cd_in_from_video_in &&
 607                          !strncmp(ctl->id.name, "CD Capture ", 11))
 608                         ctl->private_value ^= AC97_CD ^ AC97_VIDEO;
 609                 err = snd_ctl_add(chip->card, ctl);
 610                 if (err < 0)
 611                         return err;
 612                 if (!strcmp(ctl->id.name,
 613                             SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM))) {
 614                         chip->spdif_pcm_ctl = ctl;
 615                         ctl->private_free = oxygen_any_ctl_free;
 616                 } else if (!strcmp(ctl->id.name,
 617                                  SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT))) {
 618                         chip->spdif_input_bits_ctl = ctl;
 619                         ctl->private_free = oxygen_any_ctl_free;
 620                 }
 621         }
 622         return chip->model->mixer_init ? chip->model->mixer_init(chip) : 0;
 623 }