SAFE public projects git trees. - safe/jmp/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 <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         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
  31         info->count = 8;
  32         info->value.integer.min = 0;
  33         info->value.integer.max = 0xff;
  34         return 0;
  35 }
  36
  37 static int dac_volume_get(struct snd_kcontrol *ctl,
  38                           struct snd_ctl_elem_value *value)
  39 {
  40         struct oxygen *chip = ctl->private_data;
  41         unsigned int i;
  42
  43         mutex_lock(&chip->mutex);
  44         for (i = 0; i < 8; ++i)
  45                 value->value.integer.value[i] = chip->dac_volume[i];
  46         mutex_unlock(&chip->mutex);
  47         return 0;
  48 }
  49
  50 static int dac_volume_put(struct snd_kcontrol *ctl,
  51                           struct snd_ctl_elem_value *value)
  52 {
  53         struct oxygen *chip = ctl->private_data;
  54         unsigned int i;
  55         int changed;
  56
  57         changed = 0;
  58         mutex_lock(&chip->mutex);
  59         for (i = 0; i < 8; ++i)
  60                 if (value->value.integer.value[i] != chip->dac_volume[i]) {
  61                         chip->dac_volume[i] = value->value.integer.value[i];
  62                         changed = 1;
  63                 }
  64         if (changed)
  65                 chip->model->update_dac_volume(chip);
  66         mutex_unlock(&chip->mutex);
  67         return changed;
  68 }
  69
  70 static int dac_mute_get(struct snd_kcontrol *ctl,
  71                         struct snd_ctl_elem_value *value)
  72 {
  73         struct oxygen *chip = ctl->private_data;
  74
  75         mutex_lock(&chip->mutex);
  76         value->value.integer.value[0] = !chip->dac_mute;
  77         mutex_unlock(&chip->mutex);
  78         return 0;
  79 }
  80
  81 static int dac_mute_put(struct snd_kcontrol *ctl,
  82                           struct snd_ctl_elem_value *value)
  83 {
  84         struct oxygen *chip = ctl->private_data;
  85         int changed;
  86
  87         mutex_lock(&chip->mutex);
  88         changed = !value->value.integer.value[0] != chip->dac_mute;
  89         if (changed) {
  90                 chip->dac_mute = !value->value.integer.value[0];
  91                 chip->model->update_dac_mute(chip);
  92         }
  93         mutex_unlock(&chip->mutex);
  94         return changed;
  95 }
  96
  97 static int upmix_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
  98 {
  99         static const char *const names[3] = {
 100                 "Front", "Front+Surround", "Front+Surround+Back"
 101         };
 102         info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 103         info->count = 1;
 104         info->value.enumerated.items = 3;
 105         if (info->value.enumerated.item > 2)
 106                 info->value.enumerated.item = 2;
 107         strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
 108         return 0;
 109 }
 110
 111 static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
 112 {
 113         struct oxygen *chip = ctl->private_data;
 114
 115         mutex_lock(&chip->mutex);
 116         value->value.enumerated.item[0] = chip->dac_routing;
 117         mutex_unlock(&chip->mutex);
 118         return 0;
 119 }
 120
 121 void oxygen_update_dac_routing(struct oxygen *chip)
 122 {
 123         static const unsigned int reg_values[3] = {
 124                 0xe100, /* front <- 0, surround <- 1, center <- 2, back <- 3 */
 125                 0xe000, /* front <- 0, surround <- 0, center <- 2, back <- 3 */
 126                 0x2000  /* front <- 0, surround <- 0, center <- 2, back <- 0 */
 127         };
 128         u8 channels;
 129         unsigned int reg_value;
 130
 131         channels = oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
 132                 OXYGEN_PLAY_CHANNELS_MASK;
 133         if (channels == OXYGEN_PLAY_CHANNELS_2)
 134                 reg_value = reg_values[chip->dac_routing];
 135         else if (channels == OXYGEN_PLAY_CHANNELS_8)
 136                 reg_value = 0x6c00; /* surround <- 3, back <- 1 */
 137         else
 138                 reg_value = 0xe100;
 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 void ac97_mute_ctl(struct oxygen *chip, unsigned int control)
 404 {
 405         unsigned int index = chip->controls[control]->private_value & 0xff;
 406         u16 value;
 407
 408         value = oxygen_read_ac97(chip, 0, index);
 409         if (!(value & 0x8000)) {
 410                 oxygen_write_ac97(chip, 0, index, value | 0x8000);
 411                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 412                                &chip->controls[control]->id);
 413         }
 414 }
 415
 416 static int ac97_switch_put(struct snd_kcontrol *ctl,
 417                            struct snd_ctl_elem_value *value)
 418 {
 419         struct oxygen *chip = ctl->private_data;
 420         unsigned int index = ctl->private_value & 0xff;
 421         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
 422         int invert = ctl->private_value & (1 << 16);
 423         u16 oldreg, newreg;
 424         int change;
 425
 426         mutex_lock(&chip->mutex);
 427         oldreg = oxygen_read_ac97(chip, 0, index);
 428         newreg = oldreg;
 429         if (!value->value.integer.value[0] ^ !invert)
 430                 newreg |= 1 << bitnr;
 431         else
 432                 newreg &= ~(1 << bitnr);
 433         change = newreg != oldreg;
 434         if (change) {
 435                 oxygen_write_ac97(chip, 0, index, newreg);
 436                 if (index == AC97_LINE) {
 437                         oxygen_write_ac97_masked(chip, 0, 0x72,
 438                                                  !!(newreg & 0x8000), 0x0001);
 439                         if (!(newreg & 0x8000)) {
 440                                 ac97_mute_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
 441                                 ac97_mute_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
 442                                 ac97_mute_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
 443                         }
 444                 } else if ((index == AC97_MIC || index == AC97_CD ||
 445                             index == AC97_VIDEO || index == AC97_AUX) &&
 446                            bitnr == 15 && !(newreg & 0x8000)) {
 447                         ac97_mute_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
 448                         oxygen_write_ac97_masked(chip, 0, 0x72, 0x0001, 0x0001);
 449                 }
 450         }
 451         mutex_unlock(&chip->mutex);
 452         return change;
 453 }
 454
 455 static int ac97_volume_info(struct snd_kcontrol *ctl,
 456                             struct snd_ctl_elem_info *info)
 457 {
 458         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 459         info->count = 2;
 460         info->value.integer.min = 0;
 461         info->value.integer.max = 0x1f;
 462         return 0;
 463 }
 464
 465 static int ac97_volume_get(struct snd_kcontrol *ctl,
 466                            struct snd_ctl_elem_value *value)
 467 {
 468         struct oxygen *chip = ctl->private_data;
 469         unsigned int index = ctl->private_value;
 470         u16 reg;
 471
 472         mutex_lock(&chip->mutex);
 473         reg = oxygen_read_ac97(chip, 0, index);
 474         mutex_unlock(&chip->mutex);
 475         value->value.integer.value[0] = 31 - (reg & 0x1f);
 476         value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f);
 477         return 0;
 478 }
 479
 480 static int ac97_volume_put(struct snd_kcontrol *ctl,
 481                            struct snd_ctl_elem_value *value)
 482 {
 483         struct oxygen *chip = ctl->private_data;
 484         unsigned int index = ctl->private_value;
 485         u16 oldreg, newreg;
 486         int change;
 487
 488         mutex_lock(&chip->mutex);
 489         oldreg = oxygen_read_ac97(chip, 0, index);
 490         newreg = oldreg;
 491         newreg = (newreg & ~0x1f) |
 492                 (31 - (value->value.integer.value[0] & 0x1f));
 493         newreg = (newreg & ~0x1f00) |
 494                 ((31 - (value->value.integer.value[0] & 0x1f)) << 8);
 495         change = newreg != oldreg;
 496         if (change)
 497                 oxygen_write_ac97(chip, 0, index, newreg);
 498         mutex_unlock(&chip->mutex);
 499         return change;
 500 }
 501
 502 #define AC97_SWITCH(xname, index, bitnr, invert) { \
 503                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 504                 .name = xname, \
 505                 .info = snd_ctl_boolean_mono_info, \
 506                 .get = ac97_switch_get, \
 507                 .put = ac97_switch_put, \
 508                 .private_value = ((invert) << 16) | ((bitnr) << 8) | (index), \
 509         }
 510 #define AC97_VOLUME(xname, index) { \
 511                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 512                 .name = xname, \
 513                 .info = ac97_volume_info, \
 514                 .get = ac97_volume_get, \
 515                 .put = ac97_volume_put, \
 516                 .tlv = { .p = ac97_db_scale, }, \
 517                 .private_value = (index), \
 518         }
 519
 520 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
 521
 522 static const struct snd_kcontrol_new controls[] = {
 523         {
 524                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 525                 .name = "Master Playback Volume",
 526                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 527                 .info = dac_volume_info,
 528                 .get = dac_volume_get,
 529                 .put = dac_volume_put,
 530         },
 531         {
 532                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 533                 .name = "Master Playback Switch",
 534                 .info = snd_ctl_boolean_mono_info,
 535                 .get = dac_mute_get,
 536                 .put = dac_mute_put,
 537         },
 538         {
 539                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 540                 .name = "Stereo Upmixing",
 541                 .info = upmix_info,
 542                 .get = upmix_get,
 543                 .put = upmix_put,
 544         },
 545         {
 546                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 547                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
 548                 .info = snd_ctl_boolean_mono_info,
 549                 .get = spdif_switch_get,
 550                 .put = spdif_switch_put,
 551         },
 552         {
 553                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 554                 .device = 1,
 555                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
 556                 .info = spdif_info,
 557                 .get = spdif_default_get,
 558                 .put = spdif_default_put,
 559         },
 560         {
 561                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 562                 .device = 1,
 563                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
 564                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 565                 .info = spdif_info,
 566                 .get = spdif_mask_get,
 567         },
 568         {
 569                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 570                 .device = 1,
 571                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
 572                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 573                           SNDRV_CTL_ELEM_ACCESS_INACTIVE,
 574                 .info = spdif_info,
 575                 .get = spdif_pcm_get,
 576                 .put = spdif_pcm_put,
 577         },
 578         {
 579                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 580                 .device = 1,
 581                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
 582                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 583                 .info = spdif_info,
 584                 .get = spdif_input_mask_get,
 585         },
 586         {
 587                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 588                 .device = 1,
 589                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
 590                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 591                 .info = spdif_info,
 592                 .get = spdif_input_default_get,
 593         },
 594 };
 595
 596 static const struct snd_kcontrol_new ac97_controls[] = {
 597         AC97_VOLUME("Mic Capture Volume", AC97_MIC),
 598         AC97_SWITCH("Mic Capture Switch", AC97_MIC, 15, 1),
 599         AC97_SWITCH("Mic Boost (+20dB)", AC97_MIC, 6, 0),
 600         AC97_SWITCH("Line Capture Switch", AC97_LINE, 15, 1),
 601         AC97_VOLUME("CD Capture Volume", AC97_CD),
 602         AC97_SWITCH("CD Capture Switch", AC97_CD, 15, 1),
 603         AC97_VOLUME("Aux Capture Volume", AC97_AUX),
 604         AC97_SWITCH("Aux Capture Switch", AC97_AUX, 15, 1),
 605 };
 606
 607 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
 608 {
 609         struct oxygen *chip = ctl->private_data;
 610         unsigned int i;
 611
 612         /* I'm too lazy to write a function for each control :-) */
 613         for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
 614                 chip->controls[i] = NULL;
 615 }
 616
 617 static int add_controls(struct oxygen *chip,
 618                         const struct snd_kcontrol_new controls[],
 619                         unsigned int count)
 620 {
 621         static const char *const known_ctl_names[CONTROL_COUNT] = {
 622                 [CONTROL_SPDIF_PCM] =
 623                         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
 624                 [CONTROL_SPDIF_INPUT_BITS] =
 625                         SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
 626                 [CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
 627                 [CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
 628                 [CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
 629                 [CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
 630         };
 631         unsigned int i, j;
 632         struct snd_kcontrol_new template;
 633         struct snd_kcontrol *ctl;
 634         int err;
 635
 636         for (i = 0; i < count; ++i) {
 637                 template = controls[i];
 638                 err = chip->model->control_filter(&template);
 639                 if (err < 0)
 640                         return err;
 641                 ctl = snd_ctl_new1(&controls[i], chip);
 642                 if (!ctl)
 643                         return -ENOMEM;
 644                 err = snd_ctl_add(chip->card, ctl);
 645                 if (err < 0)
 646                         return err;
 647                 for (j = 0; j < CONTROL_COUNT; ++j)
 648                         if (!strcmp(ctl->id.name, known_ctl_names[j])) {
 649                                 chip->controls[j] = ctl;
 650                                 ctl->private_free = oxygen_any_ctl_free;
 651                         }
 652         }
 653         return 0;
 654 }
 655
 656 int oxygen_mixer_init(struct oxygen *chip)
 657 {
 658         int err;
 659
 660         err = add_controls(chip, controls, ARRAY_SIZE(controls));
 661         if (err < 0)
 662                 return err;
 663         if (chip->has_ac97_0) {
 664                 err = add_controls(chip, ac97_controls,
 665                                    ARRAY_SIZE(ac97_controls));
 666                 if (err < 0)
 667                         return err;
 668         }
 669         return chip->model->mixer_init ? chip->model->mixer_init(chip) : 0;
 670 }