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         return snd_ctl_enum_info(info, 1, count, names);
 123 }
 124
 125 static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
 126 {
 127         struct oxygen *chip = ctl->private_data;
 128
 129         mutex_lock(&chip->mutex);
 130         value->value.enumerated.item[0] = chip->dac_routing;
 131         mutex_unlock(&chip->mutex);
 132         return 0;
 133 }
 134
 135 void oxygen_update_dac_routing(struct oxygen *chip)
 136 {
 137         /* DAC 0: front, DAC 1: surround, DAC 2: center/LFE, DAC 3: back */
 138         static const unsigned int reg_values[5] = {
 139                 /* stereo -> front */
 140                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 141                 (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 142                 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 143                 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 144                 /* stereo -> front+surround */
 145                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 146                 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 147                 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 148                 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 149                 /* stereo -> front+surround+back */
 150                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 151                 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 152                 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 153                 (0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 154                 /* stereo -> front+surround+center/LFE */
 155                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 156                 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 157                 (0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 158                 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 159                 /* stereo -> front+surround+center/LFE+back */
 160                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 161                 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 162                 (0 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 163                 (0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 164         };
 165         u8 channels;
 166         unsigned int reg_value;
 167
 168         channels = oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
 169                 OXYGEN_PLAY_CHANNELS_MASK;
 170         if (channels == OXYGEN_PLAY_CHANNELS_2)
 171                 reg_value = reg_values[chip->dac_routing];
 172         else if (channels == OXYGEN_PLAY_CHANNELS_8)
 173                 /* in 7.1 mode, "rear" channels go to the "back" jack */
 174                 reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 175                             (3 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 176                             (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 177                             (1 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
 178         else
 179                 reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 180                             (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 181                             (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 182                             (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
 183         if (chip->model.adjust_dac_routing)
 184                 reg_value = chip->model.adjust_dac_routing(chip, reg_value);
 185         oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value,
 186                               OXYGEN_PLAY_DAC0_SOURCE_MASK |
 187                               OXYGEN_PLAY_DAC1_SOURCE_MASK |
 188                               OXYGEN_PLAY_DAC2_SOURCE_MASK |
 189                               OXYGEN_PLAY_DAC3_SOURCE_MASK);
 190         if (chip->model.update_center_lfe_mix)
 191                 chip->model.update_center_lfe_mix(chip, chip->dac_routing > 2);
 192 }
 193
 194 static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
 195 {
 196         struct oxygen *chip = ctl->private_data;
 197         unsigned int count = upmix_item_count(chip);
 198         int changed;
 199
 200         if (value->value.enumerated.item[0] >= count)
 201                 return -EINVAL;
 202         mutex_lock(&chip->mutex);
 203         changed = value->value.enumerated.item[0] != chip->dac_routing;
 204         if (changed) {
 205                 chip->dac_routing = value->value.enumerated.item[0];
 206                 oxygen_update_dac_routing(chip);
 207         }
 208         mutex_unlock(&chip->mutex);
 209         return changed;
 210 }
 211
 212 static int spdif_switch_get(struct snd_kcontrol *ctl,
 213                             struct snd_ctl_elem_value *value)
 214 {
 215         struct oxygen *chip = ctl->private_data;
 216
 217         mutex_lock(&chip->mutex);
 218         value->value.integer.value[0] = chip->spdif_playback_enable;
 219         mutex_unlock(&chip->mutex);
 220         return 0;
 221 }
 222
 223 static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
 224 {
 225         switch (oxygen_rate) {
 226         case OXYGEN_RATE_32000:
 227                 return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 228         case OXYGEN_RATE_44100:
 229                 return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 230         default: /* OXYGEN_RATE_48000 */
 231                 return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 232         case OXYGEN_RATE_64000:
 233                 return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
 234         case OXYGEN_RATE_88200:
 235                 return IEC958_AES3_CON_FS_88200 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 236         case OXYGEN_RATE_96000:
 237                 return IEC958_AES3_CON_FS_96000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 238         case OXYGEN_RATE_176400:
 239                 return IEC958_AES3_CON_FS_176400 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 240         case OXYGEN_RATE_192000:
 241                 return IEC958_AES3_CON_FS_192000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 242         }
 243 }
 244
 245 void oxygen_update_spdif_source(struct oxygen *chip)
 246 {
 247         u32 old_control, new_control;
 248         u16 old_routing, new_routing;
 249         unsigned int oxygen_rate;
 250
 251         old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
 252         old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
 253         if (chip->pcm_active & (1 << PCM_SPDIF)) {
 254                 new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
 255                 new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
 256                         | OXYGEN_PLAY_SPDIF_SPDIF;
 257                 oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
 258                         & OXYGEN_I2S_RATE_MASK;
 259                 /* S/PDIF rate was already set by the caller */
 260         } else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
 261                    chip->spdif_playback_enable) {
 262                 new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
 263                         | OXYGEN_PLAY_SPDIF_MULTICH_01;
 264                 oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
 265                         & OXYGEN_I2S_RATE_MASK;
 266                 new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
 267                         (oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
 268                         OXYGEN_SPDIF_OUT_ENABLE;
 269         } else {
 270                 new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
 271                 new_routing = old_routing;
 272                 oxygen_rate = OXYGEN_RATE_44100;
 273         }
 274         if (old_routing != new_routing) {
 275                 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
 276                                new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
 277                 oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
 278         }
 279         if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
 280                 oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
 281                                oxygen_spdif_rate(oxygen_rate) |
 282                                ((chip->pcm_active & (1 << PCM_SPDIF)) ?
 283                                 chip->spdif_pcm_bits : chip->spdif_bits));
 284         oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
 285 }
 286
 287 static int spdif_switch_put(struct snd_kcontrol *ctl,
 288                             struct snd_ctl_elem_value *value)
 289 {
 290         struct oxygen *chip = ctl->private_data;
 291         int changed;
 292
 293         mutex_lock(&chip->mutex);
 294         changed = value->value.integer.value[0] != chip->spdif_playback_enable;
 295         if (changed) {
 296                 chip->spdif_playback_enable = !!value->value.integer.value[0];
 297                 spin_lock_irq(&chip->reg_lock);
 298                 oxygen_update_spdif_source(chip);
 299                 spin_unlock_irq(&chip->reg_lock);
 300         }
 301         mutex_unlock(&chip->mutex);
 302         return changed;
 303 }
 304
 305 static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
 306 {
 307         info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 308         info->count = 1;
 309         return 0;
 310 }
 311
 312 static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
 313 {
 314         value->value.iec958.status[0] =
 315                 bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
 316                         OXYGEN_SPDIF_PREEMPHASIS);
 317         value->value.iec958.status[1] = /* category and original */
 318                 bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
 319 }
 320
 321 static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
 322 {
 323         u32 bits;
 324
 325         bits = value->value.iec958.status[0] &
 326                 (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
 327                  OXYGEN_SPDIF_PREEMPHASIS);
 328         bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
 329         if (bits & OXYGEN_SPDIF_NONAUDIO)
 330                 bits |= OXYGEN_SPDIF_V;
 331         return bits;
 332 }
 333
 334 static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
 335 {
 336         oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
 337                               OXYGEN_SPDIF_NONAUDIO |
 338                               OXYGEN_SPDIF_C |
 339                               OXYGEN_SPDIF_PREEMPHASIS |
 340                               OXYGEN_SPDIF_CATEGORY_MASK |
 341                               OXYGEN_SPDIF_ORIGINAL |
 342                               OXYGEN_SPDIF_V);
 343 }
 344
 345 static int spdif_default_get(struct snd_kcontrol *ctl,
 346                              struct snd_ctl_elem_value *value)
 347 {
 348         struct oxygen *chip = ctl->private_data;
 349
 350         mutex_lock(&chip->mutex);
 351         oxygen_to_iec958(chip->spdif_bits, value);
 352         mutex_unlock(&chip->mutex);
 353         return 0;
 354 }
 355
 356 static int spdif_default_put(struct snd_kcontrol *ctl,
 357                              struct snd_ctl_elem_value *value)
 358 {
 359         struct oxygen *chip = ctl->private_data;
 360         u32 new_bits;
 361         int changed;
 362
 363         new_bits = iec958_to_oxygen(value);
 364         mutex_lock(&chip->mutex);
 365         changed = new_bits != chip->spdif_bits;
 366         if (changed) {
 367                 chip->spdif_bits = new_bits;
 368                 if (!(chip->pcm_active & (1 << PCM_SPDIF)))
 369                         write_spdif_bits(chip, new_bits);
 370         }
 371         mutex_unlock(&chip->mutex);
 372         return changed;
 373 }
 374
 375 static int spdif_mask_get(struct snd_kcontrol *ctl,
 376                           struct snd_ctl_elem_value *value)
 377 {
 378         value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
 379                 IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
 380         value->value.iec958.status[1] =
 381                 IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
 382         return 0;
 383 }
 384
 385 static int spdif_pcm_get(struct snd_kcontrol *ctl,
 386                          struct snd_ctl_elem_value *value)
 387 {
 388         struct oxygen *chip = ctl->private_data;
 389
 390         mutex_lock(&chip->mutex);
 391         oxygen_to_iec958(chip->spdif_pcm_bits, value);
 392         mutex_unlock(&chip->mutex);
 393         return 0;
 394 }
 395
 396 static int spdif_pcm_put(struct snd_kcontrol *ctl,
 397                          struct snd_ctl_elem_value *value)
 398 {
 399         struct oxygen *chip = ctl->private_data;
 400         u32 new_bits;
 401         int changed;
 402
 403         new_bits = iec958_to_oxygen(value);
 404         mutex_lock(&chip->mutex);
 405         changed = new_bits != chip->spdif_pcm_bits;
 406         if (changed) {
 407                 chip->spdif_pcm_bits = new_bits;
 408                 if (chip->pcm_active & (1 << PCM_SPDIF))
 409                         write_spdif_bits(chip, new_bits);
 410         }
 411         mutex_unlock(&chip->mutex);
 412         return changed;
 413 }
 414
 415 static int spdif_input_mask_get(struct snd_kcontrol *ctl,
 416                                 struct snd_ctl_elem_value *value)
 417 {
 418         value->value.iec958.status[0] = 0xff;
 419         value->value.iec958.status[1] = 0xff;
 420         value->value.iec958.status[2] = 0xff;
 421         value->value.iec958.status[3] = 0xff;
 422         return 0;
 423 }
 424
 425 static int spdif_input_default_get(struct snd_kcontrol *ctl,
 426                                    struct snd_ctl_elem_value *value)
 427 {
 428         struct oxygen *chip = ctl->private_data;
 429         u32 bits;
 430
 431         bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
 432         value->value.iec958.status[0] = bits;
 433         value->value.iec958.status[1] = bits >> 8;
 434         value->value.iec958.status[2] = bits >> 16;
 435         value->value.iec958.status[3] = bits >> 24;
 436         return 0;
 437 }
 438
 439 static int spdif_bit_switch_get(struct snd_kcontrol *ctl,
 440                                 struct snd_ctl_elem_value *value)
 441 {
 442         struct oxygen *chip = ctl->private_data;
 443         u32 bit = ctl->private_value;
 444
 445         value->value.integer.value[0] =
 446                 !!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL) & bit);
 447         return 0;
 448 }
 449
 450 static int spdif_bit_switch_put(struct snd_kcontrol *ctl,
 451                                 struct snd_ctl_elem_value *value)
 452 {
 453         struct oxygen *chip = ctl->private_data;
 454         u32 bit = ctl->private_value;
 455         u32 oldreg, newreg;
 456         int changed;
 457
 458         spin_lock_irq(&chip->reg_lock);
 459         oldreg = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
 460         if (value->value.integer.value[0])
 461                 newreg = oldreg | bit;
 462         else
 463                 newreg = oldreg & ~bit;
 464         changed = newreg != oldreg;
 465         if (changed)
 466                 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, newreg);
 467         spin_unlock_irq(&chip->reg_lock);
 468         return changed;
 469 }
 470
 471 static int monitor_volume_info(struct snd_kcontrol *ctl,
 472                                struct snd_ctl_elem_info *info)
 473 {
 474         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 475         info->count = 1;
 476         info->value.integer.min = 0;
 477         info->value.integer.max = 1;
 478         return 0;
 479 }
 480
 481 static int monitor_get(struct snd_kcontrol *ctl,
 482                        struct snd_ctl_elem_value *value)
 483 {
 484         struct oxygen *chip = ctl->private_data;
 485         u8 bit = ctl->private_value;
 486         int invert = ctl->private_value & (1 << 8);
 487
 488         value->value.integer.value[0] =
 489                 !!invert ^ !!(oxygen_read8(chip, OXYGEN_ADC_MONITOR) & bit);
 490         return 0;
 491 }
 492
 493 static int monitor_put(struct snd_kcontrol *ctl,
 494                        struct snd_ctl_elem_value *value)
 495 {
 496         struct oxygen *chip = ctl->private_data;
 497         u8 bit = ctl->private_value;
 498         int invert = ctl->private_value & (1 << 8);
 499         u8 oldreg, newreg;
 500         int changed;
 501
 502         spin_lock_irq(&chip->reg_lock);
 503         oldreg = oxygen_read8(chip, OXYGEN_ADC_MONITOR);
 504         if ((!!value->value.integer.value[0] ^ !!invert) != 0)
 505                 newreg = oldreg | bit;
 506         else
 507                 newreg = oldreg & ~bit;
 508         changed = newreg != oldreg;
 509         if (changed)
 510                 oxygen_write8(chip, OXYGEN_ADC_MONITOR, newreg);
 511         spin_unlock_irq(&chip->reg_lock);
 512         return changed;
 513 }
 514
 515 static int ac97_switch_get(struct snd_kcontrol *ctl,
 516                            struct snd_ctl_elem_value *value)
 517 {
 518         struct oxygen *chip = ctl->private_data;
 519         unsigned int codec = (ctl->private_value >> 24) & 1;
 520         unsigned int index = ctl->private_value & 0xff;
 521         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
 522         int invert = ctl->private_value & (1 << 16);
 523         u16 reg;
 524
 525         mutex_lock(&chip->mutex);
 526         reg = oxygen_read_ac97(chip, codec, index);
 527         mutex_unlock(&chip->mutex);
 528         if (!(reg & (1 << bitnr)) ^ !invert)
 529                 value->value.integer.value[0] = 1;
 530         else
 531                 value->value.integer.value[0] = 0;
 532         return 0;
 533 }
 534
 535 static void mute_ac97_ctl(struct oxygen *chip, unsigned int control)
 536 {
 537         unsigned int priv_idx;
 538         u16 value;
 539
 540         if (!chip->controls[control])
 541                 return;
 542         priv_idx = chip->controls[control]->private_value & 0xff;
 543         value = oxygen_read_ac97(chip, 0, priv_idx);
 544         if (!(value & 0x8000)) {
 545                 oxygen_write_ac97(chip, 0, priv_idx, value | 0x8000);
 546                 if (chip->model.ac97_switch)
 547                         chip->model.ac97_switch(chip, priv_idx, 0x8000);
 548                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 549                                &chip->controls[control]->id);
 550         }
 551 }
 552
 553 static int ac97_switch_put(struct snd_kcontrol *ctl,
 554                            struct snd_ctl_elem_value *value)
 555 {
 556         struct oxygen *chip = ctl->private_data;
 557         unsigned int codec = (ctl->private_value >> 24) & 1;
 558         unsigned int index = ctl->private_value & 0xff;
 559         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
 560         int invert = ctl->private_value & (1 << 16);
 561         u16 oldreg, newreg;
 562         int change;
 563
 564         mutex_lock(&chip->mutex);
 565         oldreg = oxygen_read_ac97(chip, codec, index);
 566         newreg = oldreg;
 567         if (!value->value.integer.value[0] ^ !invert)
 568                 newreg |= 1 << bitnr;
 569         else
 570                 newreg &= ~(1 << bitnr);
 571         change = newreg != oldreg;
 572         if (change) {
 573                 oxygen_write_ac97(chip, codec, index, newreg);
 574                 if (codec == 0 && chip->model.ac97_switch)
 575                         chip->model.ac97_switch(chip, index, newreg & 0x8000);
 576                 if (index == AC97_LINE) {
 577                         oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
 578                                                  newreg & 0x8000 ?
 579                                                  CM9780_GPO0 : 0, CM9780_GPO0);
 580                         if (!(newreg & 0x8000)) {
 581                                 mute_ac97_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
 582                                 mute_ac97_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
 583                                 mute_ac97_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
 584                         }
 585                 } else if ((index == AC97_MIC || index == AC97_CD ||
 586                             index == AC97_VIDEO || index == AC97_AUX) &&
 587                            bitnr == 15 && !(newreg & 0x8000)) {
 588                         mute_ac97_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
 589                         oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
 590                                                  CM9780_GPO0, CM9780_GPO0);
 591                 }
 592         }
 593         mutex_unlock(&chip->mutex);
 594         return change;
 595 }
 596
 597 static int ac97_volume_info(struct snd_kcontrol *ctl,
 598                             struct snd_ctl_elem_info *info)
 599 {
 600         int stereo = (ctl->private_value >> 16) & 1;
 601
 602         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 603         info->count = stereo ? 2 : 1;
 604         info->value.integer.min = 0;
 605         info->value.integer.max = 0x1f;
 606         return 0;
 607 }
 608
 609 static int ac97_volume_get(struct snd_kcontrol *ctl,
 610                            struct snd_ctl_elem_value *value)
 611 {
 612         struct oxygen *chip = ctl->private_data;
 613         unsigned int codec = (ctl->private_value >> 24) & 1;
 614         int stereo = (ctl->private_value >> 16) & 1;
 615         unsigned int index = ctl->private_value & 0xff;
 616         u16 reg;
 617
 618         mutex_lock(&chip->mutex);
 619         reg = oxygen_read_ac97(chip, codec, index);
 620         mutex_unlock(&chip->mutex);
 621         value->value.integer.value[0] = 31 - (reg & 0x1f);
 622         if (stereo)
 623                 value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f);
 624         return 0;
 625 }
 626
 627 static int ac97_volume_put(struct snd_kcontrol *ctl,
 628                            struct snd_ctl_elem_value *value)
 629 {
 630         struct oxygen *chip = ctl->private_data;
 631         unsigned int codec = (ctl->private_value >> 24) & 1;
 632         int stereo = (ctl->private_value >> 16) & 1;
 633         unsigned int index = ctl->private_value & 0xff;
 634         u16 oldreg, newreg;
 635         int change;
 636
 637         mutex_lock(&chip->mutex);
 638         oldreg = oxygen_read_ac97(chip, codec, index);
 639         newreg = oldreg;
 640         newreg = (newreg & ~0x1f) |
 641                 (31 - (value->value.integer.value[0] & 0x1f));
 642         if (stereo)
 643                 newreg = (newreg & ~0x1f00) |
 644                         ((31 - (value->value.integer.value[1] & 0x1f)) << 8);
 645         else
 646                 newreg = (newreg & ~0x1f00) | ((newreg & 0x1f) << 8);
 647         change = newreg != oldreg;
 648         if (change)
 649                 oxygen_write_ac97(chip, codec, index, newreg);
 650         mutex_unlock(&chip->mutex);
 651         return change;
 652 }
 653
 654 static int mic_fmic_source_info(struct snd_kcontrol *ctl,
 655                            struct snd_ctl_elem_info *info)
 656 {
 657         static const char *const names[] = { "Mic Jack", "Front Panel" };
 658
 659         return snd_ctl_enum_info(info, 1, 2, names);
 660 }
 661
 662 static int mic_fmic_source_get(struct snd_kcontrol *ctl,
 663                                struct snd_ctl_elem_value *value)
 664 {
 665         struct oxygen *chip = ctl->private_data;
 666
 667         mutex_lock(&chip->mutex);
 668         value->value.enumerated.item[0] =
 669                 !!(oxygen_read_ac97(chip, 0, CM9780_JACK) & CM9780_FMIC2MIC);
 670         mutex_unlock(&chip->mutex);
 671         return 0;
 672 }
 673
 674 static int mic_fmic_source_put(struct snd_kcontrol *ctl,
 675                                struct snd_ctl_elem_value *value)
 676 {
 677         struct oxygen *chip = ctl->private_data;
 678         u16 oldreg, newreg;
 679         int change;
 680
 681         mutex_lock(&chip->mutex);
 682         oldreg = oxygen_read_ac97(chip, 0, CM9780_JACK);
 683         if (value->value.enumerated.item[0])
 684                 newreg = oldreg | CM9780_FMIC2MIC;
 685         else
 686                 newreg = oldreg & ~CM9780_FMIC2MIC;
 687         change = newreg != oldreg;
 688         if (change)
 689                 oxygen_write_ac97(chip, 0, CM9780_JACK, newreg);
 690         mutex_unlock(&chip->mutex);
 691         return change;
 692 }
 693
 694 static int ac97_fp_rec_volume_info(struct snd_kcontrol *ctl,
 695                                    struct snd_ctl_elem_info *info)
 696 {
 697         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 698         info->count = 2;
 699         info->value.integer.min = 0;
 700         info->value.integer.max = 7;
 701         return 0;
 702 }
 703
 704 static int ac97_fp_rec_volume_get(struct snd_kcontrol *ctl,
 705                                   struct snd_ctl_elem_value *value)
 706 {
 707         struct oxygen *chip = ctl->private_data;
 708         u16 reg;
 709
 710         mutex_lock(&chip->mutex);
 711         reg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
 712         mutex_unlock(&chip->mutex);
 713         value->value.integer.value[0] = reg & 7;
 714         value->value.integer.value[1] = (reg >> 8) & 7;
 715         return 0;
 716 }
 717
 718 static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
 719                                   struct snd_ctl_elem_value *value)
 720 {
 721         struct oxygen *chip = ctl->private_data;
 722         u16 oldreg, newreg;
 723         int change;
 724
 725         mutex_lock(&chip->mutex);
 726         oldreg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
 727         newreg = oldreg & ~0x0707;
 728         newreg = newreg | (value->value.integer.value[0] & 7);
 729         newreg = newreg | ((value->value.integer.value[0] & 7) << 8);
 730         change = newreg != oldreg;
 731         if (change)
 732                 oxygen_write_ac97(chip, 1, AC97_REC_GAIN, newreg);
 733         mutex_unlock(&chip->mutex);
 734         return change;
 735 }
 736
 737 #define AC97_SWITCH(xname, codec, index, bitnr, invert) { \
 738                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 739                 .name = xname, \
 740                 .info = snd_ctl_boolean_mono_info, \
 741                 .get = ac97_switch_get, \
 742                 .put = ac97_switch_put, \
 743                 .private_value = ((codec) << 24) | ((invert) << 16) | \
 744                                  ((bitnr) << 8) | (index), \
 745         }
 746 #define AC97_VOLUME(xname, codec, index, stereo) { \
 747                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 748                 .name = xname, \
 749                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
 750                           SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 751                 .info = ac97_volume_info, \
 752                 .get = ac97_volume_get, \
 753                 .put = ac97_volume_put, \
 754                 .tlv = { .p = ac97_db_scale, }, \
 755                 .private_value = ((codec) << 24) | ((stereo) << 16) | (index), \
 756         }
 757
 758 static DECLARE_TLV_DB_SCALE(monitor_db_scale, -600, 600, 0);
 759 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
 760 static DECLARE_TLV_DB_SCALE(ac97_rec_db_scale, 0, 150, 0);
 761
 762 static const struct snd_kcontrol_new controls[] = {
 763         {
 764                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 765                 .name = "Master Playback Volume",
 766                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 767                 .info = dac_volume_info,
 768                 .get = dac_volume_get,
 769                 .put = dac_volume_put,
 770         },
 771         {
 772                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 773                 .name = "Master Playback Switch",
 774                 .info = snd_ctl_boolean_mono_info,
 775                 .get = dac_mute_get,
 776                 .put = dac_mute_put,
 777         },
 778         {
 779                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 780                 .name = "Stereo Upmixing",
 781                 .info = upmix_info,
 782                 .get = upmix_get,
 783                 .put = upmix_put,
 784         },
 785         {
 786                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 787                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
 788                 .info = snd_ctl_boolean_mono_info,
 789                 .get = spdif_switch_get,
 790                 .put = spdif_switch_put,
 791         },
 792         {
 793                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 794                 .device = 1,
 795                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
 796                 .info = spdif_info,
 797                 .get = spdif_default_get,
 798                 .put = spdif_default_put,
 799         },
 800         {
 801                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 802                 .device = 1,
 803                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
 804                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 805                 .info = spdif_info,
 806                 .get = spdif_mask_get,
 807         },
 808         {
 809                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 810                 .device = 1,
 811                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
 812                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 813                           SNDRV_CTL_ELEM_ACCESS_INACTIVE,
 814                 .info = spdif_info,
 815                 .get = spdif_pcm_get,
 816                 .put = spdif_pcm_put,
 817         },
 818 };
 819
 820 static const struct snd_kcontrol_new spdif_input_controls[] = {
 821         {
 822                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 823                 .device = 1,
 824                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
 825                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 826                 .info = spdif_info,
 827                 .get = spdif_input_mask_get,
 828         },
 829         {
 830                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 831                 .device = 1,
 832                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
 833                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 834                 .info = spdif_info,
 835                 .get = spdif_input_default_get,
 836         },
 837         {
 838                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 839                 .name = SNDRV_CTL_NAME_IEC958("Loopback ", NONE, SWITCH),
 840                 .info = snd_ctl_boolean_mono_info,
 841                 .get = spdif_bit_switch_get,
 842                 .put = spdif_bit_switch_put,
 843                 .private_value = OXYGEN_SPDIF_LOOPBACK,
 844         },
 845         {
 846                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 847                 .name = SNDRV_CTL_NAME_IEC958("Validity Check ",CAPTURE,SWITCH),
 848                 .info = snd_ctl_boolean_mono_info,
 849                 .get = spdif_bit_switch_get,
 850                 .put = spdif_bit_switch_put,
 851                 .private_value = OXYGEN_SPDIF_SPDVALID,
 852         },
 853 };
 854
 855 static const struct {
 856         unsigned int pcm_dev;
 857         struct snd_kcontrol_new controls[2];
 858 } monitor_controls[] = {
 859         {
 860                 .pcm_dev = CAPTURE_0_FROM_I2S_1,
 861                 .controls = {
 862                         {
 863                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 864                                 .name = "Analog Input Monitor Playback Switch",
 865                                 .info = snd_ctl_boolean_mono_info,
 866                                 .get = monitor_get,
 867                                 .put = monitor_put,
 868                                 .private_value = OXYGEN_ADC_MONITOR_A,
 869                         },
 870                         {
 871                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 872                                 .name = "Analog Input Monitor Playback Volume",
 873                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 874                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 875                                 .info = monitor_volume_info,
 876                                 .get = monitor_get,
 877                                 .put = monitor_put,
 878                                 .private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL
 879                                                 | (1 << 8),
 880                                 .tlv = { .p = monitor_db_scale, },
 881                         },
 882                 },
 883         },
 884         {
 885                 .pcm_dev = CAPTURE_0_FROM_I2S_2,
 886                 .controls = {
 887                         {
 888                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 889                                 .name = "Analog Input Monitor Playback Switch",
 890                                 .info = snd_ctl_boolean_mono_info,
 891                                 .get = monitor_get,
 892                                 .put = monitor_put,
 893                                 .private_value = OXYGEN_ADC_MONITOR_B,
 894                         },
 895                         {
 896                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 897                                 .name = "Analog Input Monitor Playback Volume",
 898                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 899                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 900                                 .info = monitor_volume_info,
 901                                 .get = monitor_get,
 902                                 .put = monitor_put,
 903                                 .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
 904                                                 | (1 << 8),
 905                                 .tlv = { .p = monitor_db_scale, },
 906                         },
 907                 },
 908         },
 909         {
 910                 .pcm_dev = CAPTURE_2_FROM_I2S_2,
 911                 .controls = {
 912                         {
 913                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 914                                 .name = "Analog Input Monitor Playback Switch",
 915                                 .index = 1,
 916                                 .info = snd_ctl_boolean_mono_info,
 917                                 .get = monitor_get,
 918                                 .put = monitor_put,
 919                                 .private_value = OXYGEN_ADC_MONITOR_B,
 920                         },
 921                         {
 922                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 923                                 .name = "Analog Input Monitor Playback Volume",
 924                                 .index = 1,
 925                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 926                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 927                                 .info = monitor_volume_info,
 928                                 .get = monitor_get,
 929                                 .put = monitor_put,
 930                                 .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
 931                                                 | (1 << 8),
 932                                 .tlv = { .p = monitor_db_scale, },
 933                         },
 934                 },
 935         },
 936         {
 937                 .pcm_dev = CAPTURE_1_FROM_SPDIF,
 938                 .controls = {
 939                         {
 940                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 941                                 .name = "Digital Input Monitor Playback Switch",
 942                                 .info = snd_ctl_boolean_mono_info,
 943                                 .get = monitor_get,
 944                                 .put = monitor_put,
 945                                 .private_value = OXYGEN_ADC_MONITOR_C,
 946                         },
 947                         {
 948                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 949                                 .name = "Digital Input Monitor Playback Volume",
 950                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 951                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 952                                 .info = monitor_volume_info,
 953                                 .get = monitor_get,
 954                                 .put = monitor_put,
 955                                 .private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
 956                                                 | (1 << 8),
 957                                 .tlv = { .p = monitor_db_scale, },
 958                         },
 959                 },
 960         },
 961 };
 962
 963 static const struct snd_kcontrol_new ac97_controls[] = {
 964         AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC, 0),
 965         AC97_SWITCH("Mic Capture Switch", 0, AC97_MIC, 15, 1),
 966         AC97_SWITCH("Mic Boost (+20dB)", 0, AC97_MIC, 6, 0),
 967         {
 968                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 969                 .name = "Mic Source Capture Enum",
 970                 .info = mic_fmic_source_info,
 971                 .get = mic_fmic_source_get,
 972                 .put = mic_fmic_source_put,
 973         },
 974         AC97_SWITCH("Line Capture Switch", 0, AC97_LINE, 15, 1),
 975         AC97_VOLUME("CD Capture Volume", 0, AC97_CD, 1),
 976         AC97_SWITCH("CD Capture Switch", 0, AC97_CD, 15, 1),
 977         AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX, 1),
 978         AC97_SWITCH("Aux Capture Switch", 0, AC97_AUX, 15, 1),
 979 };
 980
 981 static const struct snd_kcontrol_new ac97_fp_controls[] = {
 982         AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE, 1),
 983         AC97_SWITCH("Front Panel Playback Switch", 1, AC97_HEADPHONE, 15, 1),
 984         {
 985                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 986                 .name = "Front Panel Capture Volume",
 987                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 988                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 989                 .info = ac97_fp_rec_volume_info,
 990                 .get = ac97_fp_rec_volume_get,
 991                 .put = ac97_fp_rec_volume_put,
 992                 .tlv = { .p = ac97_rec_db_scale, },
 993         },
 994         AC97_SWITCH("Front Panel Capture Switch", 1, AC97_REC_GAIN, 15, 1),
 995 };
 996
 997 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
 998 {
 999         struct oxygen *chip = ctl->private_data;
1000         unsigned int i;
1001
1002         /* I'm too lazy to write a function for each control :-) */
1003         for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
1004                 chip->controls[i] = NULL;
1005 }
1006
1007 static int add_controls(struct oxygen *chip,
1008                         const struct snd_kcontrol_new controls[],
1009                         unsigned int count)
1010 {
1011         static const char *const known_ctl_names[CONTROL_COUNT] = {
1012                 [CONTROL_SPDIF_PCM] =
1013                         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
1014                 [CONTROL_SPDIF_INPUT_BITS] =
1015                         SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
1016                 [CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
1017                 [CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
1018                 [CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
1019                 [CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
1020         };
1021         unsigned int i, j;
1022         struct snd_kcontrol_new template;
1023         struct snd_kcontrol *ctl;
1024         int err;
1025
1026         for (i = 0; i < count; ++i) {
1027                 template = controls[i];
1028                 if (chip->model.control_filter) {
1029                         err = chip->model.control_filter(&template);
1030                         if (err < 0)
1031                                 return err;
1032                         if (err == 1)
1033                                 continue;
1034                 }
1035                 if (!strcmp(template.name, "Stereo Upmixing") &&
1036                     chip->model.dac_channels_pcm == 2)
1037                         continue;
1038                 if (!strcmp(template.name, "Mic Source Capture Enum") &&
1039                     !(chip->model.device_config & AC97_FMIC_SWITCH))
1040                         continue;
1041                 if (!strncmp(template.name, "CD Capture ", 11) &&
1042                     !(chip->model.device_config & AC97_CD_INPUT))
1043                         continue;
1044                 if (!strcmp(template.name, "Master Playback Volume") &&
1045                     chip->model.dac_tlv) {
1046                         template.tlv.p = chip->model.dac_tlv;
1047                         template.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1048                 }
1049                 ctl = snd_ctl_new1(&template, chip);
1050                 if (!ctl)
1051                         return -ENOMEM;
1052                 err = snd_ctl_add(chip->card, ctl);
1053                 if (err < 0)
1054                         return err;
1055                 for (j = 0; j < CONTROL_COUNT; ++j)
1056                         if (!strcmp(ctl->id.name, known_ctl_names[j])) {
1057                                 chip->controls[j] = ctl;
1058                                 ctl->private_free = oxygen_any_ctl_free;
1059                         }
1060         }
1061         return 0;
1062 }
1063
1064 int oxygen_mixer_init(struct oxygen *chip)
1065 {
1066         unsigned int i;
1067         int err;
1068
1069         err = add_controls(chip, controls, ARRAY_SIZE(controls));
1070         if (err < 0)
1071                 return err;
1072         if (chip->model.device_config & CAPTURE_1_FROM_SPDIF) {
1073                 err = add_controls(chip, spdif_input_controls,
1074                                    ARRAY_SIZE(spdif_input_controls));
1075                 if (err < 0)
1076                         return err;
1077         }
1078         for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
1079                 if (!(chip->model.device_config & monitor_controls[i].pcm_dev))
1080                         continue;
1081                 err = add_controls(chip, monitor_controls[i].controls,
1082                                    ARRAY_SIZE(monitor_controls[i].controls));
1083                 if (err < 0)
1084                         return err;
1085         }
1086         if (chip->has_ac97_0) {
1087                 err = add_controls(chip, ac97_controls,
1088                                    ARRAY_SIZE(ac97_controls));
1089                 if (err < 0)
1090                         return err;
1091         }
1092         if (chip->has_ac97_1) {
1093                 err = add_controls(chip, ac97_fp_controls,
1094                                    ARRAY_SIZE(ac97_fp_controls));
1095                 if (err < 0)
1096                         return err;
1097         }
1098         return chip->model.mixer_init ? chip->model.mixer_init(chip) : 0;
1099 }