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 #include "cm9780.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 = chip->model.dac_channels_mixer;
  35         info->value.integer.min = chip->model.dac_volume_min;
  36         info->value.integer.max = chip->model.dac_volume_max;
  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 < chip->model.dac_channels_mixer; ++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 < chip->model.dac_channels_mixer; ++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 unsigned int upmix_item_count(struct oxygen *chip)
 101 {
 102         if (chip->model.dac_channels_pcm < 8)
 103                 return 2;
 104         else if (chip->model.update_center_lfe_mix)
 105                 return 5;
 106         else
 107                 return 3;
 108 }
 109
 110 static int upmix_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
 111 {
 112         static const char *const names[5] = {
 113                 "Front",
 114                 "Front+Surround",
 115                 "Front+Surround+Back",
 116                 "Front+Surround+Center/LFE",
 117                 "Front+Surround+Center/LFE+Back",
 118         };
 119         struct oxygen *chip = ctl->private_data;
 120         unsigned int count = upmix_item_count(chip);
 121
 122         info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 123         info->count = 1;
 124         info->value.enumerated.items = count;
 125         if (info->value.enumerated.item >= count)
 126                 info->value.enumerated.item = count - 1;
 127         strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
 128         return 0;
 129 }
 130
 131 static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
 132 {
 133         struct oxygen *chip = ctl->private_data;
 134
 135         mutex_lock(&chip->mutex);
 136         value->value.enumerated.item[0] = chip->dac_routing;
 137         mutex_unlock(&chip->mutex);
 138         return 0;
 139 }
 140
 141 void oxygen_update_dac_routing(struct oxygen *chip)
 142 {
 143         /* DAC 0: front, DAC 1: surround, DAC 2: center/LFE, DAC 3: back */
 144         static const unsigned int reg_values[5] = {
 145                 /* stereo -> front */
 146                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 147                 (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 148                 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 149                 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 150                 /* stereo -> front+surround */
 151                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 152                 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 153                 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 154                 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 155                 /* stereo -> front+surround+back */
 156                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 157                 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 158                 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 159                 (0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 160                 /* stereo -> front+surround+center/LFE */
 161                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 162                 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 163                 (0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 164                 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 165                 /* stereo -> front+surround+center/LFE+back */
 166                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 167                 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 168                 (0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 169                 (0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 170         };
 171         u8 channels;
 172         unsigned int reg_value;
 173
 174         channels = oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
 175                 OXYGEN_PLAY_CHANNELS_MASK;
 176         if (channels == OXYGEN_PLAY_CHANNELS_2)
 177                 reg_value = reg_values[chip->dac_routing];
 178         else if (channels == OXYGEN_PLAY_CHANNELS_8)
 179                 /* in 7.1 mode, "rear" channels go to the "back" jack */
 180                 reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 181                             (3 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 182                             (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 183                             (1 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
 184         else
 185                 reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 186                             (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 187                             (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 188                             (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
 189         oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value,
 190                               OXYGEN_PLAY_DAC0_SOURCE_MASK |
 191                               OXYGEN_PLAY_DAC1_SOURCE_MASK |
 192                               OXYGEN_PLAY_DAC2_SOURCE_MASK |
 193                               OXYGEN_PLAY_DAC3_SOURCE_MASK);
 194         if (chip->model.update_center_lfe_mix)
 195                 chip->model.update_center_lfe_mix(chip, chip->dac_routing > 2);
 196 }
 197
 198 static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
 199 {
 200         struct oxygen *chip = ctl->private_data;
 201         unsigned int count = upmix_item_count(chip);
 202         int changed;
 203
 204         if (value->value.enumerated.item[0] >= count)
 205                 return -EINVAL;
 206         mutex_lock(&chip->mutex);
 207         changed = value->value.enumerated.item[0] != chip->dac_routing;
 208         if (changed) {
 209                 chip->dac_routing = value->value.enumerated.item[0];
 210                 oxygen_update_dac_routing(chip);
 211         }
 212         mutex_unlock(&chip->mutex);
 213         return changed;
 214 }
 215
 216 static int spdif_switch_get(struct snd_kcontrol *ctl,
 217                             struct snd_ctl_elem_value *value)
 218 {
 219         struct oxygen *chip = ctl->private_data;
 220
 221         mutex_lock(&chip->mutex);
 222         value->value.integer.value[0] = chip->spdif_playback_enable;
 223         mutex_unlock(&chip->mutex);
 224         return 0;
 225 }
 226
 227 static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
 228 {
 229         switch (oxygen_rate) {
 230         case OXYGEN_RATE_32000:
 231                 return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 232         case OXYGEN_RATE_44100:
 233                 return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 234         default: /* OXYGEN_RATE_48000 */
 235                 return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 236         case OXYGEN_RATE_64000:
 237                 return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
 238         case OXYGEN_RATE_88200:
 239                 return IEC958_AES3_CON_FS_88200 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 240         case OXYGEN_RATE_96000:
 241                 return IEC958_AES3_CON_FS_96000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 242         case OXYGEN_RATE_176400:
 243                 return IEC958_AES3_CON_FS_176400 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 244         case OXYGEN_RATE_192000:
 245                 return IEC958_AES3_CON_FS_192000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 246         }
 247 }
 248
 249 void oxygen_update_spdif_source(struct oxygen *chip)
 250 {
 251         u32 old_control, new_control;
 252         u16 old_routing, new_routing;
 253         unsigned int oxygen_rate;
 254
 255         old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
 256         old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
 257         if (chip->pcm_active & (1 << PCM_SPDIF)) {
 258                 new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
 259                 new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
 260                         | OXYGEN_PLAY_SPDIF_SPDIF;
 261                 oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
 262                         & OXYGEN_I2S_RATE_MASK;
 263                 /* S/PDIF rate was already set by the caller */
 264         } else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
 265                    chip->spdif_playback_enable) {
 266                 new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
 267                         | OXYGEN_PLAY_SPDIF_MULTICH_01;
 268                 oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
 269                         & OXYGEN_I2S_RATE_MASK;
 270                 new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
 271                         (oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
 272                         OXYGEN_SPDIF_OUT_ENABLE;
 273         } else {
 274                 new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
 275                 new_routing = old_routing;
 276                 oxygen_rate = OXYGEN_RATE_44100;
 277         }
 278         if (old_routing != new_routing) {
 279                 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
 280                                new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
 281                 oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
 282         }
 283         if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
 284                 oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
 285                                oxygen_spdif_rate(oxygen_rate) |
 286                                ((chip->pcm_active & (1 << PCM_SPDIF)) ?
 287                                 chip->spdif_pcm_bits : chip->spdif_bits));
 288         oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
 289 }
 290
 291 static int spdif_switch_put(struct snd_kcontrol *ctl,
 292                             struct snd_ctl_elem_value *value)
 293 {
 294         struct oxygen *chip = ctl->private_data;
 295         int changed;
 296
 297         mutex_lock(&chip->mutex);
 298         changed = value->value.integer.value[0] != chip->spdif_playback_enable;
 299         if (changed) {
 300                 chip->spdif_playback_enable = !!value->value.integer.value[0];
 301                 spin_lock_irq(&chip->reg_lock);
 302                 oxygen_update_spdif_source(chip);
 303                 spin_unlock_irq(&chip->reg_lock);
 304         }
 305         mutex_unlock(&chip->mutex);
 306         return changed;
 307 }
 308
 309 static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
 310 {
 311         info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 312         info->count = 1;
 313         return 0;
 314 }
 315
 316 static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
 317 {
 318         value->value.iec958.status[0] =
 319                 bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
 320                         OXYGEN_SPDIF_PREEMPHASIS);
 321         value->value.iec958.status[1] = /* category and original */
 322                 bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
 323 }
 324
 325 static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
 326 {
 327         u32 bits;
 328
 329         bits = value->value.iec958.status[0] &
 330                 (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
 331                  OXYGEN_SPDIF_PREEMPHASIS);
 332         bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
 333         if (bits & OXYGEN_SPDIF_NONAUDIO)
 334                 bits |= OXYGEN_SPDIF_V;
 335         return bits;
 336 }
 337
 338 static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
 339 {
 340         oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
 341                               OXYGEN_SPDIF_NONAUDIO |
 342                               OXYGEN_SPDIF_C |
 343                               OXYGEN_SPDIF_PREEMPHASIS |
 344                               OXYGEN_SPDIF_CATEGORY_MASK |
 345                               OXYGEN_SPDIF_ORIGINAL |
 346                               OXYGEN_SPDIF_V);
 347 }
 348
 349 static int spdif_default_get(struct snd_kcontrol *ctl,
 350                              struct snd_ctl_elem_value *value)
 351 {
 352         struct oxygen *chip = ctl->private_data;
 353
 354         mutex_lock(&chip->mutex);
 355         oxygen_to_iec958(chip->spdif_bits, value);
 356         mutex_unlock(&chip->mutex);
 357         return 0;
 358 }
 359
 360 static int spdif_default_put(struct snd_kcontrol *ctl,
 361                              struct snd_ctl_elem_value *value)
 362 {
 363         struct oxygen *chip = ctl->private_data;
 364         u32 new_bits;
 365         int changed;
 366
 367         new_bits = iec958_to_oxygen(value);
 368         mutex_lock(&chip->mutex);
 369         changed = new_bits != chip->spdif_bits;
 370         if (changed) {
 371                 chip->spdif_bits = new_bits;
 372                 if (!(chip->pcm_active & (1 << PCM_SPDIF)))
 373                         write_spdif_bits(chip, new_bits);
 374         }
 375         mutex_unlock(&chip->mutex);
 376         return changed;
 377 }
 378
 379 static int spdif_mask_get(struct snd_kcontrol *ctl,
 380                           struct snd_ctl_elem_value *value)
 381 {
 382         value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
 383                 IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
 384         value->value.iec958.status[1] =
 385                 IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
 386         return 0;
 387 }
 388
 389 static int spdif_pcm_get(struct snd_kcontrol *ctl,
 390                          struct snd_ctl_elem_value *value)
 391 {
 392         struct oxygen *chip = ctl->private_data;
 393
 394         mutex_lock(&chip->mutex);
 395         oxygen_to_iec958(chip->spdif_pcm_bits, value);
 396         mutex_unlock(&chip->mutex);
 397         return 0;
 398 }
 399
 400 static int spdif_pcm_put(struct snd_kcontrol *ctl,
 401                          struct snd_ctl_elem_value *value)
 402 {
 403         struct oxygen *chip = ctl->private_data;
 404         u32 new_bits;
 405         int changed;
 406
 407         new_bits = iec958_to_oxygen(value);
 408         mutex_lock(&chip->mutex);
 409         changed = new_bits != chip->spdif_pcm_bits;
 410         if (changed) {
 411                 chip->spdif_pcm_bits = new_bits;
 412                 if (chip->pcm_active & (1 << PCM_SPDIF))
 413                         write_spdif_bits(chip, new_bits);
 414         }
 415         mutex_unlock(&chip->mutex);
 416         return changed;
 417 }
 418
 419 static int spdif_input_mask_get(struct snd_kcontrol *ctl,
 420                                 struct snd_ctl_elem_value *value)
 421 {
 422         value->value.iec958.status[0] = 0xff;
 423         value->value.iec958.status[1] = 0xff;
 424         value->value.iec958.status[2] = 0xff;
 425         value->value.iec958.status[3] = 0xff;
 426         return 0;
 427 }
 428
 429 static int spdif_input_default_get(struct snd_kcontrol *ctl,
 430                                    struct snd_ctl_elem_value *value)
 431 {
 432         struct oxygen *chip = ctl->private_data;
 433         u32 bits;
 434
 435         bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
 436         value->value.iec958.status[0] = bits;
 437         value->value.iec958.status[1] = bits >> 8;
 438         value->value.iec958.status[2] = bits >> 16;
 439         value->value.iec958.status[3] = bits >> 24;
 440         return 0;
 441 }
 442
 443 static int spdif_loopback_get(struct snd_kcontrol *ctl,
 444                               struct snd_ctl_elem_value *value)
 445 {
 446         struct oxygen *chip = ctl->private_data;
 447
 448         value->value.integer.value[0] =
 449                 !!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL)
 450                    & OXYGEN_SPDIF_LOOPBACK);
 451         return 0;
 452 }
 453
 454 static int spdif_loopback_put(struct snd_kcontrol *ctl,
 455                               struct snd_ctl_elem_value *value)
 456 {
 457         struct oxygen *chip = ctl->private_data;
 458         u32 oldreg, newreg;
 459         int changed;
 460
 461         spin_lock_irq(&chip->reg_lock);
 462         oldreg = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
 463         if (value->value.integer.value[0])
 464                 newreg = oldreg | OXYGEN_SPDIF_LOOPBACK;
 465         else
 466                 newreg = oldreg & ~OXYGEN_SPDIF_LOOPBACK;
 467         changed = newreg != oldreg;
 468         if (changed)
 469                 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, newreg);
 470         spin_unlock_irq(&chip->reg_lock);
 471         return changed;
 472 }
 473
 474 static int monitor_volume_info(struct snd_kcontrol *ctl,
 475                                struct snd_ctl_elem_info *info)
 476 {
 477         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 478         info->count = 1;
 479         info->value.integer.min = 0;
 480         info->value.integer.max = 1;
 481         return 0;
 482 }
 483
 484 static int monitor_get(struct snd_kcontrol *ctl,
 485                        struct snd_ctl_elem_value *value)
 486 {
 487         struct oxygen *chip = ctl->private_data;
 488         u8 bit = ctl->private_value;
 489         int invert = ctl->private_value & (1 << 8);
 490
 491         value->value.integer.value[0] =
 492                 !!invert ^ !!(oxygen_read8(chip, OXYGEN_ADC_MONITOR) & bit);
 493         return 0;
 494 }
 495
 496 static int monitor_put(struct snd_kcontrol *ctl,
 497                        struct snd_ctl_elem_value *value)
 498 {
 499         struct oxygen *chip = ctl->private_data;
 500         u8 bit = ctl->private_value;
 501         int invert = ctl->private_value & (1 << 8);
 502         u8 oldreg, newreg;
 503         int changed;
 504
 505         spin_lock_irq(&chip->reg_lock);
 506         oldreg = oxygen_read8(chip, OXYGEN_ADC_MONITOR);
 507         if ((!!value->value.integer.value[0] ^ !!invert) != 0)
 508                 newreg = oldreg | bit;
 509         else
 510                 newreg = oldreg & ~bit;
 511         changed = newreg != oldreg;
 512         if (changed)
 513                 oxygen_write8(chip, OXYGEN_ADC_MONITOR, newreg);
 514         spin_unlock_irq(&chip->reg_lock);
 515         return changed;
 516 }
 517
 518 static int ac97_switch_get(struct snd_kcontrol *ctl,
 519                            struct snd_ctl_elem_value *value)
 520 {
 521         struct oxygen *chip = ctl->private_data;
 522         unsigned int codec = (ctl->private_value >> 24) & 1;
 523         unsigned int index = ctl->private_value & 0xff;
 524         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
 525         int invert = ctl->private_value & (1 << 16);
 526         u16 reg;
 527
 528         mutex_lock(&chip->mutex);
 529         reg = oxygen_read_ac97(chip, codec, index);
 530         mutex_unlock(&chip->mutex);
 531         if (!(reg & (1 << bitnr)) ^ !invert)
 532                 value->value.integer.value[0] = 1;
 533         else
 534                 value->value.integer.value[0] = 0;
 535         return 0;
 536 }
 537
 538 static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
 539 {
 540         unsigned int priv_idx;
 541         u16 value;
 542
 543         if (!chip->controls[control])
 544                 return;
 545         priv_idx = chip->controls[control]->private_value & 0xff;
 546         value = oxygen_read_ac97(chip, 0, priv_idx);
 547         if (!(value & 0x8000)) {
 548                 oxygen_write_ac97(chip, 0, priv_idx, value | 0x8000);
 549                 if (chip->model.ac97_switch)
 550                         chip->model.ac97_switch(chip, priv_idx, 0x8000);
 551                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 552                                &chip->controls[control]->id);
 553         }
 554 }
 555
 556 static int ac97_switch_put(struct snd_kcontrol *ctl,
 557                            struct snd_ctl_elem_value *value)
 558 {
 559         struct oxygen *chip = ctl->private_data;
 560         unsigned int codec = (ctl->private_value >> 24) & 1;
 561         unsigned int index = ctl->private_value & 0xff;
 562         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
 563         int invert = ctl->private_value & (1 << 16);
 564         u16 oldreg, newreg;
 565         int change;
 566
 567         mutex_lock(&chip->mutex);
 568         oldreg = oxygen_read_ac97(chip, codec, index);
 569         newreg = oldreg;
 570         if (!value->value.integer.value[0] ^ !invert)
 571                 newreg |= 1 << bitnr;
 572         else
 573                 newreg &= ~(1 << bitnr);
 574         change = newreg != oldreg;
 575         if (change) {
 576                 oxygen_write_ac97(chip, codec, index, newreg);
 577                 if (codec == 0 && chip->model.ac97_switch)
 578                         chip->model.ac97_switch(chip, index, newreg & 0x8000);
 579                 if (index == AC97_LINE) {
 580                         oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
 581                                                  newreg & 0x8000 ?
 582                                                  CM9780_GPO0 : 0, CM9780_GPO0);
 583                         if (!(newreg & 0x8000)) {
 584                                 mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
 585                                 mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
 586                                 mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
 587                         }
 588                 } else if ((index == AC97_MIC || index == AC97_CD ||
 589                             index == AC97_VIDEO || index == AC97_AUX) &&
 590                            bitnr == 15 && !(newreg & 0x8000)) {
 591                         mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
 592                         oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
 593                                                  CM9780_GPO0, CM9780_GPO0);
 594                 }
 595         }
 596         mutex_unlock(&chip->mutex);
 597         return change;
 598 }
 599
 600 static int ac97_volume_info(struct snd_kcontrol *ctl,
 601                             struct snd_ctl_elem_info *info)
 602 {
 603         int stereo = (ctl->private_value >> 16) & 1;
 604
 605         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 606         info->count = stereo ? 2 : 1;
 607         info->value.integer.min = 0;
 608         info->value.integer.max = 0x1f;
 609         return 0;
 610 }
 611
 612 static int ac97_volume_get(struct snd_kcontrol *ctl,
 613                            struct snd_ctl_elem_value *value)
 614 {
 615         struct oxygen *chip = ctl->private_data;
 616         unsigned int codec = (ctl->private_value >> 24) & 1;
 617         int stereo = (ctl->private_value >> 16) & 1;
 618         unsigned int index = ctl->private_value & 0xff;
 619         u16 reg;
 620
 621         mutex_lock(&chip->mutex);
 622         reg = oxygen_read_ac97(chip, codec, index);
 623         mutex_unlock(&chip->mutex);
 624         value->value.integer.value[0] = 31 - (reg & 0x1f);
 625         if (stereo)
 626                 value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f);
 627         return 0;
 628 }
 629
 630 static int ac97_volume_put(struct snd_kcontrol *ctl,
 631                            struct snd_ctl_elem_value *value)
 632 {
 633         struct oxygen *chip = ctl->private_data;
 634         unsigned int codec = (ctl->private_value >> 24) & 1;
 635         int stereo = (ctl->private_value >> 16) & 1;
 636         unsigned int index = ctl->private_value & 0xff;
 637         u16 oldreg, newreg;
 638         int change;
 639
 640         mutex_lock(&chip->mutex);
 641         oldreg = oxygen_read_ac97(chip, codec, index);
 642         newreg = oldreg;
 643         newreg = (newreg & ~0x1f) |
 644                 (31 - (value->value.integer.value[0] & 0x1f));
 645         if (stereo)
 646                 newreg = (newreg & ~0x1f00) |
 647                         ((31 - (value->value.integer.value[1] & 0x1f)) << 8);
 648         else
 649                 newreg = (newreg & ~0x1f00) | ((newreg & 0x1f) << 8);
 650         change = newreg != oldreg;
 651         if (change)
 652                 oxygen_write_ac97(chip, codec, index, newreg);
 653         mutex_unlock(&chip->mutex);
 654         return change;
 655 }
 656
 657 static int mic_fmic_source_info(struct snd_kcontrol *ctl,
 658                            struct snd_ctl_elem_info *info)
 659 {
 660         static const char *const names[] = { "Mic Jack", "Front Panel" };
 661
 662         info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 663         info->count = 1;
 664         info->value.enumerated.items = 2;
 665         info->value.enumerated.item &= 1;
 666         strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
 667         return 0;
 668 }
 669
 670 static int mic_fmic_source_get(struct snd_kcontrol *ctl,
 671                                struct snd_ctl_elem_value *value)
 672 {
 673         struct oxygen *chip = ctl->private_data;
 674
 675         mutex_lock(&chip->mutex);
 676         value->value.enumerated.item[0] =
 677                 !!(oxygen_read_ac97(chip, 0, CM9780_JACK) & CM9780_FMIC2MIC);
 678         mutex_unlock(&chip->mutex);
 679         return 0;
 680 }
 681
 682 static int mic_fmic_source_put(struct snd_kcontrol *ctl,
 683                                struct snd_ctl_elem_value *value)
 684 {
 685         struct oxygen *chip = ctl->private_data;
 686         u16 oldreg, newreg;
 687         int change;
 688
 689         mutex_lock(&chip->mutex);
 690         oldreg = oxygen_read_ac97(chip, 0, CM9780_JACK);
 691         if (value->value.enumerated.item[0])
 692                 newreg = oldreg | CM9780_FMIC2MIC;
 693         else
 694                 newreg = oldreg & ~CM9780_FMIC2MIC;
 695         change = newreg != oldreg;
 696         if (change)
 697                 oxygen_write_ac97(chip, 0, CM9780_JACK, newreg);
 698         mutex_unlock(&chip->mutex);
 699         return change;
 700 }
 701
 702 static int ac97_fp_rec_volume_info(struct snd_kcontrol *ctl,
 703                                    struct snd_ctl_elem_info *info)
 704 {
 705         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 706         info->count = 2;
 707         info->value.integer.min = 0;
 708         info->value.integer.max = 7;
 709         return 0;
 710 }
 711
 712 static int ac97_fp_rec_volume_get(struct snd_kcontrol *ctl,
 713                                   struct snd_ctl_elem_value *value)
 714 {
 715         struct oxygen *chip = ctl->private_data;
 716         u16 reg;
 717
 718         mutex_lock(&chip->mutex);
 719         reg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
 720         mutex_unlock(&chip->mutex);
 721         value->value.integer.value[0] = reg & 7;
 722         value->value.integer.value[1] = (reg >> 8) & 7;
 723         return 0;
 724 }
 725
 726 static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
 727                                   struct snd_ctl_elem_value *value)
 728 {
 729         struct oxygen *chip = ctl->private_data;
 730         u16 oldreg, newreg;
 731         int change;
 732
 733         mutex_lock(&chip->mutex);
 734         oldreg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
 735         newreg = oldreg & ~0x0707;
 736         newreg = newreg | (value->value.integer.value[0] & 7);
 737         newreg = newreg | ((value->value.integer.value[0] & 7) << 8);
 738         change = newreg != oldreg;
 739         if (change)
 740                 oxygen_write_ac97(chip, 1, AC97_REC_GAIN, newreg);
 741         mutex_unlock(&chip->mutex);
 742         return change;
 743 }
 744
 745 #define AC97_SWITCH(xname, codec, index, bitnr, invert) { \
 746                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 747                 .name = xname, \
 748                 .info = snd_ctl_boolean_mono_info, \
 749                 .get = ac97_switch_get, \
 750                 .put = ac97_switch_put, \
 751                 .private_value = ((codec) << 24) | ((invert) << 16) | \
 752                                  ((bitnr) << 8) | (index), \
 753         }
 754 #define AC97_VOLUME(xname, codec, index, stereo) { \
 755                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 756                 .name = xname, \
 757                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
 758                           SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 759                 .info = ac97_volume_info, \
 760                 .get = ac97_volume_get, \
 761                 .put = ac97_volume_put, \
 762                 .tlv = { .p = ac97_db_scale, }, \
 763                 .private_value = ((codec) << 24) | ((stereo) << 16) | (index), \
 764         }
 765
 766 static DECLARE_TLV_DB_SCALE(monitor_db_scale, -600, 600, 0);
 767 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
 768 static DECLARE_TLV_DB_SCALE(ac97_rec_db_scale, 0, 150, 0);
 769
 770 static const struct snd_kcontrol_new controls[] = {
 771         {
 772                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 773                 .name = "Master Playback Volume",
 774                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 775                 .info = dac_volume_info,
 776                 .get = dac_volume_get,
 777                 .put = dac_volume_put,
 778         },
 779         {
 780                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 781                 .name = "Master Playback Switch",
 782                 .info = snd_ctl_boolean_mono_info,
 783                 .get = dac_mute_get,
 784                 .put = dac_mute_put,
 785         },
 786         {
 787                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 788                 .name = "Stereo Upmixing",
 789                 .info = upmix_info,
 790                 .get = upmix_get,
 791                 .put = upmix_put,
 792         },
 793         {
 794                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 795                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
 796                 .info = snd_ctl_boolean_mono_info,
 797                 .get = spdif_switch_get,
 798                 .put = spdif_switch_put,
 799         },
 800         {
 801                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 802                 .device = 1,
 803                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
 804                 .info = spdif_info,
 805                 .get = spdif_default_get,
 806                 .put = spdif_default_put,
 807         },
 808         {
 809                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 810                 .device = 1,
 811                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
 812                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 813                 .info = spdif_info,
 814                 .get = spdif_mask_get,
 815         },
 816         {
 817                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 818                 .device = 1,
 819                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
 820                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 821                           SNDRV_CTL_ELEM_ACCESS_INACTIVE,
 822                 .info = spdif_info,
 823                 .get = spdif_pcm_get,
 824                 .put = spdif_pcm_put,
 825         },
 826 };
 827
 828 static const struct snd_kcontrol_new spdif_input_controls[] = {
 829         {
 830                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 831                 .device = 1,
 832                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
 833                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 834                 .info = spdif_info,
 835                 .get = spdif_input_mask_get,
 836         },
 837         {
 838                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 839                 .device = 1,
 840                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
 841                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 842                 .info = spdif_info,
 843                 .get = spdif_input_default_get,
 844         },
 845         {
 846                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 847                 .name = SNDRV_CTL_NAME_IEC958("Loopback ", NONE, SWITCH),
 848                 .info = snd_ctl_boolean_mono_info,
 849                 .get = spdif_loopback_get,
 850                 .put = spdif_loopback_put,
 851         },
 852 };
 853
 854 static const struct {
 855         unsigned int pcm_dev;
 856         struct snd_kcontrol_new controls[2];
 857 } monitor_controls[] = {
 858         {
 859                 .pcm_dev = CAPTURE_0_FROM_I2S_1,
 860                 .controls = {
 861                         {
 862                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 863                                 .name = "Analog Input Monitor Playback Switch",
 864                                 .info = snd_ctl_boolean_mono_info,
 865                                 .get = monitor_get,
 866                                 .put = monitor_put,
 867                                 .private_value = OXYGEN_ADC_MONITOR_A,
 868                         },
 869                         {
 870                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 871                                 .name = "Analog Input Monitor Playback Volume",
 872                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 873                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 874                                 .info = monitor_volume_info,
 875                                 .get = monitor_get,
 876                                 .put = monitor_put,
 877                                 .private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL
 878                                                 | (1 << 8),
 879                                 .tlv = { .p = monitor_db_scale, },
 880                         },
 881                 },
 882         },
 883         {
 884                 .pcm_dev = CAPTURE_0_FROM_I2S_2,
 885                 .controls = {
 886                         {
 887                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 888                                 .name = "Analog Input Monitor Playback Switch",
 889                                 .info = snd_ctl_boolean_mono_info,
 890                                 .get = monitor_get,
 891                                 .put = monitor_put,
 892                                 .private_value = OXYGEN_ADC_MONITOR_B,
 893                         },
 894                         {
 895                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 896                                 .name = "Analog Input Monitor Playback Volume",
 897                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 898                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 899                                 .info = monitor_volume_info,
 900                                 .get = monitor_get,
 901                                 .put = monitor_put,
 902                                 .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
 903                                                 | (1 << 8),
 904                                 .tlv = { .p = monitor_db_scale, },
 905                         },
 906                 },
 907         },
 908         {
 909                 .pcm_dev = CAPTURE_2_FROM_I2S_2,
 910                 .controls = {
 911                         {
 912                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 913                                 .name = "Analog Input Monitor Playback Switch",
 914                                 .index = 1,
 915                                 .info = snd_ctl_boolean_mono_info,
 916                                 .get = monitor_get,
 917                                 .put = monitor_put,
 918                                 .private_value = OXYGEN_ADC_MONITOR_B,
 919                         },
 920                         {
 921                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 922                                 .name = "Analog Input Monitor Playback Volume",
 923                                 .index = 1,
 924                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 925                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 926                                 .info = monitor_volume_info,
 927                                 .get = monitor_get,
 928                                 .put = monitor_put,
 929                                 .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
 930                                                 | (1 << 8),
 931                                 .tlv = { .p = monitor_db_scale, },
 932                         },
 933                 },
 934         },
 935         {
 936                 .pcm_dev = CAPTURE_1_FROM_SPDIF,
 937                 .controls = {
 938                         {
 939                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 940                                 .name = "Digital Input Monitor Playback Switch",
 941                                 .info = snd_ctl_boolean_mono_info,
 942                                 .get = monitor_get,
 943                                 .put = monitor_put,
 944                                 .private_value = OXYGEN_ADC_MONITOR_C,
 945                         },
 946                         {
 947                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 948                                 .name = "Digital Input Monitor Playback Volume",
 949                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 950                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 951                                 .info = monitor_volume_info,
 952                                 .get = monitor_get,
 953                                 .put = monitor_put,
 954                                 .private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
 955                                                 | (1 << 8),
 956                                 .tlv = { .p = monitor_db_scale, },
 957                         },
 958                 },
 959         },
 960 };
 961
 962 static const struct snd_kcontrol_new ac97_controls[] = {
 963         AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC, 0),
 964         AC97_SWITCH("Mic Capture Switch", 0, AC97_MIC, 15, 1),
 965         AC97_SWITCH("Mic Boost (+20dB)", 0, AC97_MIC, 6, 0),
 966         {
 967                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 968                 .name = "Mic Source Capture Enum",
 969                 .info = mic_fmic_source_info,
 970                 .get = mic_fmic_source_get,
 971                 .put = mic_fmic_source_put,
 972         },
 973         AC97_SWITCH("Line Capture Switch", 0, AC97_LINE, 15, 1),
 974         AC97_VOLUME("CD Capture Volume", 0, AC97_CD, 1),
 975         AC97_SWITCH("CD Capture Switch", 0, AC97_CD, 15, 1),
 976         AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX, 1),
 977         AC97_SWITCH("Aux Capture Switch", 0, AC97_AUX, 15, 1),
 978 };
 979
 980 static const struct snd_kcontrol_new ac97_fp_controls[] = {
 981         AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE, 1),
 982         AC97_SWITCH("Front Panel Playback Switch", 1, AC97_HEADPHONE, 15, 1),
 983         {
 984                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 985                 .name = "Front Panel Capture Volume",
 986                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 987                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 988                 .info = ac97_fp_rec_volume_info,
 989                 .get = ac97_fp_rec_volume_get,
 990                 .put = ac97_fp_rec_volume_put,
 991                 .tlv = { .p = ac97_rec_db_scale, },
 992         },
 993         AC97_SWITCH("Front Panel Capture Switch", 1, AC97_REC_GAIN, 15, 1),
 994 };
 995
 996 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
 997 {
 998         struct oxygen *chip = ctl->private_data;
 999         unsigned int i;
1000
1001         /* I'm too lazy to write a function for each control :-) */
1002         for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
1003                 chip->controls[i] = NULL;
1004 }
1005
1006 static int add_controls(struct oxygen *chip,
1007                         const struct snd_kcontrol_new controls[],
1008                         unsigned int count)
1009 {
1010         static const char *const known_ctl_names[CONTROL_COUNT] = {
1011                 [CONTROL_SPDIF_PCM] =
1012                         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
1013                 [CONTROL_SPDIF_INPUT_BITS] =
1014                         SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
1015                 [CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
1016                 [CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
1017                 [CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
1018                 [CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
1019         };
1020         unsigned int i, j;
1021         struct snd_kcontrol_new template;
1022         struct snd_kcontrol *ctl;
1023         int err;
1024
1025         for (i = 0; i < count; ++i) {
1026                 template = controls[i];
1027                 if (chip->model.control_filter) {
1028                         err = chip->model.control_filter(&template);
1029                         if (err < 0)
1030                                 return err;
1031                         if (err == 1)
1032                                 continue;
1033                 }
1034                 if (!strcmp(template.name, "Stereo Upmixing") &&
1035                     chip->model.dac_channels_pcm == 2)
1036                         continue;
1037                 if (!strcmp(template.name, "Mic Source Capture Enum") &&
1038                     !(chip->model.device_config & AC97_FMIC_SWITCH))
1039                         continue;
1040                 if (!strncmp(template.name, "CD Capture ", 11) &&
1041                     !(chip->model.device_config & AC97_CD_INPUT))
1042                         continue;
1043                 if (!strcmp(template.name, "Master Playback Volume") &&
1044                     chip->model.dac_tlv) {
1045                         template.tlv.p = chip->model.dac_tlv;
1046                         template.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1047                 }
1048                 ctl = snd_ctl_new1(&template, chip);
1049                 if (!ctl)
1050                         return -ENOMEM;
1051                 err = snd_ctl_add(chip->card, ctl);
1052                 if (err < 0)
1053                         return err;
1054                 for (j = 0; j < CONTROL_COUNT; ++j)
1055                         if (!strcmp(ctl->id.name, known_ctl_names[j])) {
1056                                 chip->controls[j] = ctl;
1057                                 ctl->private_free = oxygen_any_ctl_free;
1058                         }
1059         }
1060         return 0;
1061 }
1062
1063 int oxygen_mixer_init(struct oxygen *chip)
1064 {
1065         unsigned int i;
1066         int err;
1067
1068         err = add_controls(chip, controls, ARRAY_SIZE(controls));
1069         if (err < 0)
1070                 return err;
1071         if (chip->model.device_config & CAPTURE_1_FROM_SPDIF) {
1072                 err = add_controls(chip, spdif_input_controls,
1073                                    ARRAY_SIZE(spdif_input_controls));
1074                 if (err < 0)
1075                         return err;
1076         }
1077         for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
1078                 if (!(chip->model.device_config & monitor_controls[i].pcm_dev))
1079                         continue;
1080                 err = add_controls(chip, monitor_controls[i].controls,
1081                                    ARRAY_SIZE(monitor_controls[i].controls));
1082                 if (err < 0)
1083                         return err;
1084         }
1085         if (chip->has_ac97_0) {
1086                 err = add_controls(chip, ac97_controls,
1087                                    ARRAY_SIZE(ac97_controls));
1088                 if (err < 0)
1089                         return err;
1090         }
1091         if (chip->has_ac97_1) {
1092                 err = add_controls(chip, ac97_fp_controls,
1093                                    ARRAY_SIZE(ac97_fp_controls));
1094                 if (err < 0)
1095                         return err;
1096         }
1097         return chip->model.mixer_init ? chip->model.mixer_init(chip) : 0;
1098 }