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         if (!stereo) {
 622                 value->value.integer.value[0] = 31 - (reg & 0x1f);
 623         } else {
 624                 value->value.integer.value[0] = 31 - ((reg >> 8) & 0x1f);
 625                 value->value.integer.value[1] = 31 - (reg & 0x1f);
 626         }
 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         if (!stereo) {
 643                 newreg = oldreg & ~0x1f;
 644                 newreg |= 31 - (value->value.integer.value[0] & 0x1f);
 645         } else {
 646                 newreg = oldreg & ~0x1f1f;
 647                 newreg |= (31 - (value->value.integer.value[0] & 0x1f)) << 8;
 648                 newreg |= 31 - (value->value.integer.value[1] & 0x1f);
 649         }
 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         return snd_ctl_enum_info(info, 1, 2, names);
 663 }
 664
 665 static int mic_fmic_source_get(struct snd_kcontrol *ctl,
 666                                struct snd_ctl_elem_value *value)
 667 {
 668         struct oxygen *chip = ctl->private_data;
 669
 670         mutex_lock(&chip->mutex);
 671         value->value.enumerated.item[0] =
 672                 !!(oxygen_read_ac97(chip, 0, CM9780_JACK) & CM9780_FMIC2MIC);
 673         mutex_unlock(&chip->mutex);
 674         return 0;
 675 }
 676
 677 static int mic_fmic_source_put(struct snd_kcontrol *ctl,
 678                                struct snd_ctl_elem_value *value)
 679 {
 680         struct oxygen *chip = ctl->private_data;
 681         u16 oldreg, newreg;
 682         int change;
 683
 684         mutex_lock(&chip->mutex);
 685         oldreg = oxygen_read_ac97(chip, 0, CM9780_JACK);
 686         if (value->value.enumerated.item[0])
 687                 newreg = oldreg | CM9780_FMIC2MIC;
 688         else
 689                 newreg = oldreg & ~CM9780_FMIC2MIC;
 690         change = newreg != oldreg;
 691         if (change)
 692                 oxygen_write_ac97(chip, 0, CM9780_JACK, newreg);
 693         mutex_unlock(&chip->mutex);
 694         return change;
 695 }
 696
 697 static int ac97_fp_rec_volume_info(struct snd_kcontrol *ctl,
 698                                    struct snd_ctl_elem_info *info)
 699 {
 700         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 701         info->count = 2;
 702         info->value.integer.min = 0;
 703         info->value.integer.max = 7;
 704         return 0;
 705 }
 706
 707 static int ac97_fp_rec_volume_get(struct snd_kcontrol *ctl,
 708                                   struct snd_ctl_elem_value *value)
 709 {
 710         struct oxygen *chip = ctl->private_data;
 711         u16 reg;
 712
 713         mutex_lock(&chip->mutex);
 714         reg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
 715         mutex_unlock(&chip->mutex);
 716         value->value.integer.value[0] = reg & 7;
 717         value->value.integer.value[1] = (reg >> 8) & 7;
 718         return 0;
 719 }
 720
 721 static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
 722                                   struct snd_ctl_elem_value *value)
 723 {
 724         struct oxygen *chip = ctl->private_data;
 725         u16 oldreg, newreg;
 726         int change;
 727
 728         mutex_lock(&chip->mutex);
 729         oldreg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
 730         newreg = oldreg & ~0x0707;
 731         newreg = newreg | (value->value.integer.value[0] & 7);
 732         newreg = newreg | ((value->value.integer.value[0] & 7) << 8);
 733         change = newreg != oldreg;
 734         if (change)
 735                 oxygen_write_ac97(chip, 1, AC97_REC_GAIN, newreg);
 736         mutex_unlock(&chip->mutex);
 737         return change;
 738 }
 739
 740 #define AC97_SWITCH(xname, codec, index, bitnr, invert) { \
 741                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 742                 .name = xname, \
 743                 .info = snd_ctl_boolean_mono_info, \
 744                 .get = ac97_switch_get, \
 745                 .put = ac97_switch_put, \
 746                 .private_value = ((codec) << 24) | ((invert) << 16) | \
 747                                  ((bitnr) << 8) | (index), \
 748         }
 749 #define AC97_VOLUME(xname, codec, index, stereo) { \
 750                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 751                 .name = xname, \
 752                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
 753                           SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 754                 .info = ac97_volume_info, \
 755                 .get = ac97_volume_get, \
 756                 .put = ac97_volume_put, \
 757                 .tlv = { .p = ac97_db_scale, }, \
 758                 .private_value = ((codec) << 24) | ((stereo) << 16) | (index), \
 759         }
 760
 761 static DECLARE_TLV_DB_SCALE(monitor_db_scale, -600, 600, 0);
 762 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
 763 static DECLARE_TLV_DB_SCALE(ac97_rec_db_scale, 0, 150, 0);
 764
 765 static const struct snd_kcontrol_new controls[] = {
 766         {
 767                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 768                 .name = "Master Playback Volume",
 769                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 770                 .info = dac_volume_info,
 771                 .get = dac_volume_get,
 772                 .put = dac_volume_put,
 773         },
 774         {
 775                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 776                 .name = "Master Playback Switch",
 777                 .info = snd_ctl_boolean_mono_info,
 778                 .get = dac_mute_get,
 779                 .put = dac_mute_put,
 780         },
 781         {
 782                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 783                 .name = "Stereo Upmixing",
 784                 .info = upmix_info,
 785                 .get = upmix_get,
 786                 .put = upmix_put,
 787         },
 788         {
 789                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 790                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
 791                 .info = snd_ctl_boolean_mono_info,
 792                 .get = spdif_switch_get,
 793                 .put = spdif_switch_put,
 794         },
 795         {
 796                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 797                 .device = 1,
 798                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
 799                 .info = spdif_info,
 800                 .get = spdif_default_get,
 801                 .put = spdif_default_put,
 802         },
 803         {
 804                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 805                 .device = 1,
 806                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
 807                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 808                 .info = spdif_info,
 809                 .get = spdif_mask_get,
 810         },
 811         {
 812                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 813                 .device = 1,
 814                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
 815                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 816                           SNDRV_CTL_ELEM_ACCESS_INACTIVE,
 817                 .info = spdif_info,
 818                 .get = spdif_pcm_get,
 819                 .put = spdif_pcm_put,
 820         },
 821 };
 822
 823 static const struct snd_kcontrol_new spdif_input_controls[] = {
 824         {
 825                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 826                 .device = 1,
 827                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
 828                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 829                 .info = spdif_info,
 830                 .get = spdif_input_mask_get,
 831         },
 832         {
 833                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 834                 .device = 1,
 835                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
 836                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 837                 .info = spdif_info,
 838                 .get = spdif_input_default_get,
 839         },
 840         {
 841                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 842                 .name = SNDRV_CTL_NAME_IEC958("Loopback ", NONE, SWITCH),
 843                 .info = snd_ctl_boolean_mono_info,
 844                 .get = spdif_bit_switch_get,
 845                 .put = spdif_bit_switch_put,
 846                 .private_value = OXYGEN_SPDIF_LOOPBACK,
 847         },
 848         {
 849                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 850                 .name = SNDRV_CTL_NAME_IEC958("Validity Check ",CAPTURE,SWITCH),
 851                 .info = snd_ctl_boolean_mono_info,
 852                 .get = spdif_bit_switch_get,
 853                 .put = spdif_bit_switch_put,
 854                 .private_value = OXYGEN_SPDIF_SPDVALID,
 855         },
 856 };
 857
 858 static const struct {
 859         unsigned int pcm_dev;
 860         struct snd_kcontrol_new controls[2];
 861 } monitor_controls[] = {
 862         {
 863                 .pcm_dev = CAPTURE_0_FROM_I2S_1,
 864                 .controls = {
 865                         {
 866                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 867                                 .name = "Analog Input Monitor Playback Switch",
 868                                 .info = snd_ctl_boolean_mono_info,
 869                                 .get = monitor_get,
 870                                 .put = monitor_put,
 871                                 .private_value = OXYGEN_ADC_MONITOR_A,
 872                         },
 873                         {
 874                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 875                                 .name = "Analog Input Monitor Playback Volume",
 876                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 877                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 878                                 .info = monitor_volume_info,
 879                                 .get = monitor_get,
 880                                 .put = monitor_put,
 881                                 .private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL
 882                                                 | (1 << 8),
 883                                 .tlv = { .p = monitor_db_scale, },
 884                         },
 885                 },
 886         },
 887         {
 888                 .pcm_dev = CAPTURE_0_FROM_I2S_2,
 889                 .controls = {
 890                         {
 891                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 892                                 .name = "Analog Input Monitor Playback Switch",
 893                                 .info = snd_ctl_boolean_mono_info,
 894                                 .get = monitor_get,
 895                                 .put = monitor_put,
 896                                 .private_value = OXYGEN_ADC_MONITOR_B,
 897                         },
 898                         {
 899                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 900                                 .name = "Analog Input Monitor Playback Volume",
 901                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 902                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 903                                 .info = monitor_volume_info,
 904                                 .get = monitor_get,
 905                                 .put = monitor_put,
 906                                 .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
 907                                                 | (1 << 8),
 908                                 .tlv = { .p = monitor_db_scale, },
 909                         },
 910                 },
 911         },
 912         {
 913                 .pcm_dev = CAPTURE_2_FROM_I2S_2,
 914                 .controls = {
 915                         {
 916                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 917                                 .name = "Analog Input Monitor Playback Switch",
 918                                 .index = 1,
 919                                 .info = snd_ctl_boolean_mono_info,
 920                                 .get = monitor_get,
 921                                 .put = monitor_put,
 922                                 .private_value = OXYGEN_ADC_MONITOR_B,
 923                         },
 924                         {
 925                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 926                                 .name = "Analog Input Monitor Playback Volume",
 927                                 .index = 1,
 928                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 929                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 930                                 .info = monitor_volume_info,
 931                                 .get = monitor_get,
 932                                 .put = monitor_put,
 933                                 .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
 934                                                 | (1 << 8),
 935                                 .tlv = { .p = monitor_db_scale, },
 936                         },
 937                 },
 938         },
 939         {
 940                 .pcm_dev = CAPTURE_1_FROM_SPDIF,
 941                 .controls = {
 942                         {
 943                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 944                                 .name = "Digital Input Monitor Playback Switch",
 945                                 .info = snd_ctl_boolean_mono_info,
 946                                 .get = monitor_get,
 947                                 .put = monitor_put,
 948                                 .private_value = OXYGEN_ADC_MONITOR_C,
 949                         },
 950                         {
 951                                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 952                                 .name = "Digital Input Monitor Playback Volume",
 953                                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 954                                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 955                                 .info = monitor_volume_info,
 956                                 .get = monitor_get,
 957                                 .put = monitor_put,
 958                                 .private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
 959                                                 | (1 << 8),
 960                                 .tlv = { .p = monitor_db_scale, },
 961                         },
 962                 },
 963         },
 964 };
 965
 966 static const struct snd_kcontrol_new ac97_controls[] = {
 967         AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC, 0),
 968         AC97_SWITCH("Mic Capture Switch", 0, AC97_MIC, 15, 1),
 969         AC97_SWITCH("Mic Boost (+20dB)", 0, AC97_MIC, 6, 0),
 970         {
 971                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 972                 .name = "Mic Source Capture Enum",
 973                 .info = mic_fmic_source_info,
 974                 .get = mic_fmic_source_get,
 975                 .put = mic_fmic_source_put,
 976         },
 977         AC97_SWITCH("Line Capture Switch", 0, AC97_LINE, 15, 1),
 978         AC97_VOLUME("CD Capture Volume", 0, AC97_CD, 1),
 979         AC97_SWITCH("CD Capture Switch", 0, AC97_CD, 15, 1),
 980         AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX, 1),
 981         AC97_SWITCH("Aux Capture Switch", 0, AC97_AUX, 15, 1),
 982 };
 983
 984 static const struct snd_kcontrol_new ac97_fp_controls[] = {
 985         AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE, 1),
 986         AC97_SWITCH("Front Panel Playback Switch", 1, AC97_HEADPHONE, 15, 1),
 987         {
 988                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 989                 .name = "Front Panel Capture Volume",
 990                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 991                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 992                 .info = ac97_fp_rec_volume_info,
 993                 .get = ac97_fp_rec_volume_get,
 994                 .put = ac97_fp_rec_volume_put,
 995                 .tlv = { .p = ac97_rec_db_scale, },
 996         },
 997         AC97_SWITCH("Front Panel Capture Switch", 1, AC97_REC_GAIN, 15, 1),
 998 };
 999
1000 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
1001 {
1002         struct oxygen *chip = ctl->private_data;
1003         unsigned int i;
1004
1005         /* I'm too lazy to write a function for each control :-) */
1006         for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
1007                 chip->controls[i] = NULL;
1008 }
1009
1010 static int add_controls(struct oxygen *chip,
1011                         const struct snd_kcontrol_new controls[],
1012                         unsigned int count)
1013 {
1014         static const char *const known_ctl_names[CONTROL_COUNT] = {
1015                 [CONTROL_SPDIF_PCM] =
1016                         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
1017                 [CONTROL_SPDIF_INPUT_BITS] =
1018                         SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
1019                 [CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
1020                 [CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
1021                 [CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
1022                 [CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
1023         };
1024         unsigned int i, j;
1025         struct snd_kcontrol_new template;
1026         struct snd_kcontrol *ctl;
1027         int err;
1028
1029         for (i = 0; i < count; ++i) {
1030                 template = controls[i];
1031                 if (chip->model.control_filter) {
1032                         err = chip->model.control_filter(&template);
1033                         if (err < 0)
1034                                 return err;
1035                         if (err == 1)
1036                                 continue;
1037                 }
1038                 if (!strcmp(template.name, "Stereo Upmixing") &&
1039                     chip->model.dac_channels_pcm == 2)
1040                         continue;
1041                 if (!strcmp(template.name, "Mic Source Capture Enum") &&
1042                     !(chip->model.device_config & AC97_FMIC_SWITCH))
1043                         continue;
1044                 if (!strncmp(template.name, "CD Capture ", 11) &&
1045                     !(chip->model.device_config & AC97_CD_INPUT))
1046                         continue;
1047                 if (!strcmp(template.name, "Master Playback Volume") &&
1048                     chip->model.dac_tlv) {
1049                         template.tlv.p = chip->model.dac_tlv;
1050                         template.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1051                 }
1052                 ctl = snd_ctl_new1(&template, chip);
1053                 if (!ctl)
1054                         return -ENOMEM;
1055                 err = snd_ctl_add(chip->card, ctl);
1056                 if (err < 0)
1057                         return err;
1058                 for (j = 0; j < CONTROL_COUNT; ++j)
1059                         if (!strcmp(ctl->id.name, known_ctl_names[j])) {
1060                                 chip->controls[j] = ctl;
1061                                 ctl->private_free = oxygen_any_ctl_free;
1062                         }
1063         }
1064         return 0;
1065 }
1066
1067 int oxygen_mixer_init(struct oxygen *chip)
1068 {
1069         unsigned int i;
1070         int err;
1071
1072         err = add_controls(chip, controls, ARRAY_SIZE(controls));
1073         if (err < 0)
1074                 return err;
1075         if (chip->model.device_config & CAPTURE_1_FROM_SPDIF) {
1076                 err = add_controls(chip, spdif_input_controls,
1077                                    ARRAY_SIZE(spdif_input_controls));
1078                 if (err < 0)
1079                         return err;
1080         }
1081         for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
1082                 if (!(chip->model.device_config & monitor_controls[i].pcm_dev))
1083                         continue;
1084                 err = add_controls(chip, monitor_controls[i].controls,
1085                                    ARRAY_SIZE(monitor_controls[i].controls));
1086                 if (err < 0)
1087                         return err;
1088         }
1089         if (chip->has_ac97_0) {
1090                 err = add_controls(chip, ac97_controls,
1091                                    ARRAY_SIZE(ac97_controls));
1092                 if (err < 0)
1093                         return err;
1094         }
1095         if (chip->has_ac97_1) {
1096                 err = add_controls(chip, ac97_fp_controls,
1097                                    ARRAY_SIZE(ac97_fp_controls));
1098                 if (err < 0)
1099                         return err;
1100         }
1101         return chip->model.mixer_init ? chip->model.mixer_init(chip) : 0;
1102 }