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;
  35         info->value.integer.min = 0;
  36         info->value.integer.max = 0xff;
  37         return 0;
  38 }
  39
  40 static int dac_volume_get(struct snd_kcontrol *ctl,
  41                           struct snd_ctl_elem_value *value)
  42 {
  43         struct oxygen *chip = ctl->private_data;
  44         unsigned int i;
  45
  46         mutex_lock(&chip->mutex);
  47         for (i = 0; i < chip->model->dac_channels; ++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; ++i)
  63                 if (value->value.integer.value[i] != chip->dac_volume[i]) {
  64                         chip->dac_volume[i] = value->value.integer.value[i];
  65                         changed = 1;
  66                 }
  67         if (changed)
  68                 chip->model->update_dac_volume(chip);
  69         mutex_unlock(&chip->mutex);
  70         return changed;
  71 }
  72
  73 static int dac_mute_get(struct snd_kcontrol *ctl,
  74                         struct snd_ctl_elem_value *value)
  75 {
  76         struct oxygen *chip = ctl->private_data;
  77
  78         mutex_lock(&chip->mutex);
  79         value->value.integer.value[0] = !chip->dac_mute;
  80         mutex_unlock(&chip->mutex);
  81         return 0;
  82 }
  83
  84 static int dac_mute_put(struct snd_kcontrol *ctl,
  85                           struct snd_ctl_elem_value *value)
  86 {
  87         struct oxygen *chip = ctl->private_data;
  88         int changed;
  89
  90         mutex_lock(&chip->mutex);
  91         changed = !value->value.integer.value[0] != chip->dac_mute;
  92         if (changed) {
  93                 chip->dac_mute = !value->value.integer.value[0];
  94                 chip->model->update_dac_mute(chip);
  95         }
  96         mutex_unlock(&chip->mutex);
  97         return changed;
  98 }
  99
 100 static int upmix_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
 101 {
 102         static const char *const names[3] = {
 103                 "Front", "Front+Surround", "Front+Surround+Back"
 104         };
 105         struct oxygen *chip = ctl->private_data;
 106         unsigned int count = 2 + (chip->model->dac_channels == 8);
 107
 108         info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 109         info->count = 1;
 110         info->value.enumerated.items = count;
 111         if (info->value.enumerated.item >= count)
 112                 info->value.enumerated.item = count - 1;
 113         strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
 114         return 0;
 115 }
 116
 117 static int upmix_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
 118 {
 119         struct oxygen *chip = ctl->private_data;
 120
 121         mutex_lock(&chip->mutex);
 122         value->value.enumerated.item[0] = chip->dac_routing;
 123         mutex_unlock(&chip->mutex);
 124         return 0;
 125 }
 126
 127 void oxygen_update_dac_routing(struct oxygen *chip)
 128 {
 129         /* DAC 0: front, DAC 1: surround, DAC 2: center/LFE, DAC 3: back */
 130         static const unsigned int reg_values[3] = {
 131                 /* stereo -> front */
 132                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 133                 (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 134                 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 135                 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 136                 /* stereo -> front+surround */
 137                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 138                 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 139                 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 140                 (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 141                 /* stereo -> front+surround+back */
 142                 (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 143                 (0 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 144                 (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 145                 (0 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT),
 146         };
 147         u8 channels;
 148         unsigned int reg_value;
 149
 150         channels = oxygen_read8(chip, OXYGEN_PLAY_CHANNELS) &
 151                 OXYGEN_PLAY_CHANNELS_MASK;
 152         if (channels == OXYGEN_PLAY_CHANNELS_2)
 153                 reg_value = reg_values[chip->dac_routing];
 154         else if (channels == OXYGEN_PLAY_CHANNELS_8)
 155                 /* in 7.1 mode, "rear" channels go to the "back" jack */
 156                 reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 157                             (3 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 158                             (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 159                             (1 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
 160         else
 161                 reg_value = (0 << OXYGEN_PLAY_DAC0_SOURCE_SHIFT) |
 162                             (1 << OXYGEN_PLAY_DAC1_SOURCE_SHIFT) |
 163                             (2 << OXYGEN_PLAY_DAC2_SOURCE_SHIFT) |
 164                             (3 << OXYGEN_PLAY_DAC3_SOURCE_SHIFT);
 165         oxygen_write16_masked(chip, OXYGEN_PLAY_ROUTING, reg_value,
 166                               OXYGEN_PLAY_DAC0_SOURCE_MASK |
 167                               OXYGEN_PLAY_DAC1_SOURCE_MASK |
 168                               OXYGEN_PLAY_DAC2_SOURCE_MASK |
 169                               OXYGEN_PLAY_DAC3_SOURCE_MASK);
 170 }
 171
 172 static int upmix_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
 173 {
 174         struct oxygen *chip = ctl->private_data;
 175         unsigned int count = 2 + (chip->model->dac_channels == 8);
 176         int changed;
 177
 178         mutex_lock(&chip->mutex);
 179         changed = value->value.enumerated.item[0] != chip->dac_routing;
 180         if (changed) {
 181                 chip->dac_routing = min(value->value.enumerated.item[0],
 182                                         count - 1);
 183                 spin_lock_irq(&chip->reg_lock);
 184                 oxygen_update_dac_routing(chip);
 185                 spin_unlock_irq(&chip->reg_lock);
 186         }
 187         mutex_unlock(&chip->mutex);
 188         return changed;
 189 }
 190
 191 static int spdif_switch_get(struct snd_kcontrol *ctl,
 192                             struct snd_ctl_elem_value *value)
 193 {
 194         struct oxygen *chip = ctl->private_data;
 195
 196         mutex_lock(&chip->mutex);
 197         value->value.integer.value[0] = chip->spdif_playback_enable;
 198         mutex_unlock(&chip->mutex);
 199         return 0;
 200 }
 201
 202 static unsigned int oxygen_spdif_rate(unsigned int oxygen_rate)
 203 {
 204         switch (oxygen_rate) {
 205         case OXYGEN_RATE_32000:
 206                 return IEC958_AES3_CON_FS_32000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 207         case OXYGEN_RATE_44100:
 208                 return IEC958_AES3_CON_FS_44100 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 209         default: /* OXYGEN_RATE_48000 */
 210                 return IEC958_AES3_CON_FS_48000 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 211         case OXYGEN_RATE_64000:
 212                 return 0xb << OXYGEN_SPDIF_CS_RATE_SHIFT;
 213         case OXYGEN_RATE_88200:
 214                 return 0x8 << OXYGEN_SPDIF_CS_RATE_SHIFT;
 215         case OXYGEN_RATE_96000:
 216                 return 0xa << OXYGEN_SPDIF_CS_RATE_SHIFT;
 217         case OXYGEN_RATE_176400:
 218                 return 0xc << OXYGEN_SPDIF_CS_RATE_SHIFT;
 219         case OXYGEN_RATE_192000:
 220                 return 0xe << OXYGEN_SPDIF_CS_RATE_SHIFT;
 221         }
 222 }
 223
 224 void oxygen_update_spdif_source(struct oxygen *chip)
 225 {
 226         u32 old_control, new_control;
 227         u16 old_routing, new_routing;
 228         unsigned int oxygen_rate;
 229
 230         old_control = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
 231         old_routing = oxygen_read16(chip, OXYGEN_PLAY_ROUTING);
 232         if (chip->pcm_active & (1 << PCM_SPDIF)) {
 233                 new_control = old_control | OXYGEN_SPDIF_OUT_ENABLE;
 234                 new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
 235                         | OXYGEN_PLAY_SPDIF_SPDIF;
 236                 oxygen_rate = (old_control >> OXYGEN_SPDIF_OUT_RATE_SHIFT)
 237                         & OXYGEN_I2S_RATE_MASK;
 238                 /* S/PDIF rate was already set by the caller */
 239         } else if ((chip->pcm_active & (1 << PCM_MULTICH)) &&
 240                    chip->spdif_playback_enable) {
 241                 new_routing = (old_routing & ~OXYGEN_PLAY_SPDIF_MASK)
 242                         | OXYGEN_PLAY_SPDIF_MULTICH_01;
 243                 oxygen_rate = oxygen_read16(chip, OXYGEN_I2S_MULTICH_FORMAT)
 244                         & OXYGEN_I2S_RATE_MASK;
 245                 new_control = (old_control & ~OXYGEN_SPDIF_OUT_RATE_MASK) |
 246                         (oxygen_rate << OXYGEN_SPDIF_OUT_RATE_SHIFT) |
 247                         OXYGEN_SPDIF_OUT_ENABLE;
 248         } else {
 249                 new_control = old_control & ~OXYGEN_SPDIF_OUT_ENABLE;
 250                 new_routing = old_routing;
 251                 oxygen_rate = OXYGEN_RATE_44100;
 252         }
 253         if (old_routing != new_routing) {
 254                 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL,
 255                                new_control & ~OXYGEN_SPDIF_OUT_ENABLE);
 256                 oxygen_write16(chip, OXYGEN_PLAY_ROUTING, new_routing);
 257         }
 258         if (new_control & OXYGEN_SPDIF_OUT_ENABLE)
 259                 oxygen_write32(chip, OXYGEN_SPDIF_OUTPUT_BITS,
 260                                oxygen_spdif_rate(oxygen_rate) |
 261                                ((chip->pcm_active & (1 << PCM_SPDIF)) ?
 262                                 chip->spdif_pcm_bits : chip->spdif_bits));
 263         oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, new_control);
 264 }
 265
 266 static int spdif_switch_put(struct snd_kcontrol *ctl,
 267                             struct snd_ctl_elem_value *value)
 268 {
 269         struct oxygen *chip = ctl->private_data;
 270         int changed;
 271
 272         mutex_lock(&chip->mutex);
 273         changed = value->value.integer.value[0] != chip->spdif_playback_enable;
 274         if (changed) {
 275                 chip->spdif_playback_enable = !!value->value.integer.value[0];
 276                 spin_lock_irq(&chip->reg_lock);
 277                 oxygen_update_spdif_source(chip);
 278                 spin_unlock_irq(&chip->reg_lock);
 279         }
 280         mutex_unlock(&chip->mutex);
 281         return changed;
 282 }
 283
 284 static int spdif_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
 285 {
 286         info->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 287         info->count = 1;
 288         return 0;
 289 }
 290
 291 static void oxygen_to_iec958(u32 bits, struct snd_ctl_elem_value *value)
 292 {
 293         value->value.iec958.status[0] =
 294                 bits & (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
 295                         OXYGEN_SPDIF_PREEMPHASIS);
 296         value->value.iec958.status[1] = /* category and original */
 297                 bits >> OXYGEN_SPDIF_CATEGORY_SHIFT;
 298 }
 299
 300 static u32 iec958_to_oxygen(struct snd_ctl_elem_value *value)
 301 {
 302         u32 bits;
 303
 304         bits = value->value.iec958.status[0] &
 305                 (OXYGEN_SPDIF_NONAUDIO | OXYGEN_SPDIF_C |
 306                  OXYGEN_SPDIF_PREEMPHASIS);
 307         bits |= value->value.iec958.status[1] << OXYGEN_SPDIF_CATEGORY_SHIFT;
 308         if (bits & OXYGEN_SPDIF_NONAUDIO)
 309                 bits |= OXYGEN_SPDIF_V;
 310         return bits;
 311 }
 312
 313 static inline void write_spdif_bits(struct oxygen *chip, u32 bits)
 314 {
 315         oxygen_write32_masked(chip, OXYGEN_SPDIF_OUTPUT_BITS, bits,
 316                               OXYGEN_SPDIF_NONAUDIO |
 317                               OXYGEN_SPDIF_C |
 318                               OXYGEN_SPDIF_PREEMPHASIS |
 319                               OXYGEN_SPDIF_CATEGORY_MASK |
 320                               OXYGEN_SPDIF_ORIGINAL |
 321                               OXYGEN_SPDIF_V);
 322 }
 323
 324 static int spdif_default_get(struct snd_kcontrol *ctl,
 325                              struct snd_ctl_elem_value *value)
 326 {
 327         struct oxygen *chip = ctl->private_data;
 328
 329         mutex_lock(&chip->mutex);
 330         oxygen_to_iec958(chip->spdif_bits, value);
 331         mutex_unlock(&chip->mutex);
 332         return 0;
 333 }
 334
 335 static int spdif_default_put(struct snd_kcontrol *ctl,
 336                              struct snd_ctl_elem_value *value)
 337 {
 338         struct oxygen *chip = ctl->private_data;
 339         u32 new_bits;
 340         int changed;
 341
 342         new_bits = iec958_to_oxygen(value);
 343         mutex_lock(&chip->mutex);
 344         changed = new_bits != chip->spdif_bits;
 345         if (changed) {
 346                 chip->spdif_bits = new_bits;
 347                 if (!(chip->pcm_active & (1 << PCM_SPDIF)))
 348                         write_spdif_bits(chip, new_bits);
 349         }
 350         mutex_unlock(&chip->mutex);
 351         return changed;
 352 }
 353
 354 static int spdif_mask_get(struct snd_kcontrol *ctl,
 355                           struct snd_ctl_elem_value *value)
 356 {
 357         value->value.iec958.status[0] = IEC958_AES0_NONAUDIO |
 358                 IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS;
 359         value->value.iec958.status[1] =
 360                 IEC958_AES1_CON_CATEGORY | IEC958_AES1_CON_ORIGINAL;
 361         return 0;
 362 }
 363
 364 static int spdif_pcm_get(struct snd_kcontrol *ctl,
 365                          struct snd_ctl_elem_value *value)
 366 {
 367         struct oxygen *chip = ctl->private_data;
 368
 369         mutex_lock(&chip->mutex);
 370         oxygen_to_iec958(chip->spdif_pcm_bits, value);
 371         mutex_unlock(&chip->mutex);
 372         return 0;
 373 }
 374
 375 static int spdif_pcm_put(struct snd_kcontrol *ctl,
 376                          struct snd_ctl_elem_value *value)
 377 {
 378         struct oxygen *chip = ctl->private_data;
 379         u32 new_bits;
 380         int changed;
 381
 382         new_bits = iec958_to_oxygen(value);
 383         mutex_lock(&chip->mutex);
 384         changed = new_bits != chip->spdif_pcm_bits;
 385         if (changed) {
 386                 chip->spdif_pcm_bits = new_bits;
 387                 if (chip->pcm_active & (1 << PCM_SPDIF))
 388                         write_spdif_bits(chip, new_bits);
 389         }
 390         mutex_unlock(&chip->mutex);
 391         return changed;
 392 }
 393
 394 static int spdif_input_mask_get(struct snd_kcontrol *ctl,
 395                                 struct snd_ctl_elem_value *value)
 396 {
 397         value->value.iec958.status[0] = 0xff;
 398         value->value.iec958.status[1] = 0xff;
 399         value->value.iec958.status[2] = 0xff;
 400         value->value.iec958.status[3] = 0xff;
 401         return 0;
 402 }
 403
 404 static int spdif_input_default_get(struct snd_kcontrol *ctl,
 405                                    struct snd_ctl_elem_value *value)
 406 {
 407         struct oxygen *chip = ctl->private_data;
 408         u32 bits;
 409
 410         bits = oxygen_read32(chip, OXYGEN_SPDIF_INPUT_BITS);
 411         value->value.iec958.status[0] = bits;
 412         value->value.iec958.status[1] = bits >> 8;
 413         value->value.iec958.status[2] = bits >> 16;
 414         value->value.iec958.status[3] = bits >> 24;
 415         return 0;
 416 }
 417
 418 static int spdif_loopback_get(struct snd_kcontrol *ctl,
 419                               struct snd_ctl_elem_value *value)
 420 {
 421         struct oxygen *chip = ctl->private_data;
 422
 423         value->value.integer.value[0] =
 424                 !!(oxygen_read32(chip, OXYGEN_SPDIF_CONTROL)
 425                    & OXYGEN_SPDIF_LOOPBACK);
 426         return 0;
 427 }
 428
 429 static int spdif_loopback_put(struct snd_kcontrol *ctl,
 430                               struct snd_ctl_elem_value *value)
 431 {
 432         struct oxygen *chip = ctl->private_data;
 433         u32 oldreg, newreg;
 434         int changed;
 435
 436         spin_lock_irq(&chip->reg_lock);
 437         oldreg = oxygen_read32(chip, OXYGEN_SPDIF_CONTROL);
 438         if (value->value.integer.value[0])
 439                 newreg = oldreg | OXYGEN_SPDIF_LOOPBACK;
 440         else
 441                 newreg = oldreg & ~OXYGEN_SPDIF_LOOPBACK;
 442         changed = newreg != oldreg;
 443         if (changed)
 444                 oxygen_write32(chip, OXYGEN_SPDIF_CONTROL, newreg);
 445         spin_unlock_irq(&chip->reg_lock);
 446         return changed;
 447 }
 448
 449 static int ac97_switch_get(struct snd_kcontrol *ctl,
 450                            struct snd_ctl_elem_value *value)
 451 {
 452         struct oxygen *chip = ctl->private_data;
 453         unsigned int index = ctl->private_value & 0xff;
 454         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
 455         int invert = ctl->private_value & (1 << 16);
 456         u16 reg;
 457
 458         mutex_lock(&chip->mutex);
 459         reg = oxygen_read_ac97(chip, 0, index);
 460         mutex_unlock(&chip->mutex);
 461         if (!(reg & (1 << bitnr)) ^ !invert)
 462                 value->value.integer.value[0] = 1;
 463         else
 464                 value->value.integer.value[0] = 0;
 465         return 0;
 466 }
 467
 468 static void ac97_mute_ctl(struct oxygen *chip, unsigned int control)
 469 {
 470         unsigned int index = chip->controls[control]->private_value & 0xff;
 471         u16 value;
 472
 473         value = oxygen_read_ac97(chip, 0, index);
 474         if (!(value & 0x8000)) {
 475                 oxygen_write_ac97(chip, 0, index, value | 0x8000);
 476                 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
 477                                &chip->controls[control]->id);
 478         }
 479 }
 480
 481 static int ac97_switch_put(struct snd_kcontrol *ctl,
 482                            struct snd_ctl_elem_value *value)
 483 {
 484         struct oxygen *chip = ctl->private_data;
 485         unsigned int index = ctl->private_value & 0xff;
 486         unsigned int bitnr = (ctl->private_value >> 8) & 0xff;
 487         int invert = ctl->private_value & (1 << 16);
 488         u16 oldreg, newreg;
 489         int change;
 490
 491         mutex_lock(&chip->mutex);
 492         oldreg = oxygen_read_ac97(chip, 0, index);
 493         newreg = oldreg;
 494         if (!value->value.integer.value[0] ^ !invert)
 495                 newreg |= 1 << bitnr;
 496         else
 497                 newreg &= ~(1 << bitnr);
 498         change = newreg != oldreg;
 499         if (change) {
 500                 oxygen_write_ac97(chip, 0, index, newreg);
 501                 if (index == AC97_LINE) {
 502                         oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
 503                                                  newreg & 0x8000 ?
 504                                                  CM9780_GPO0 : 0, CM9780_GPO0);
 505                         if (!(newreg & 0x8000)) {
 506                                 ac97_mute_ctl(chip, CONTROL_MIC_CAPTURE_SWITCH);
 507                                 ac97_mute_ctl(chip, CONTROL_CD_CAPTURE_SWITCH);
 508                                 ac97_mute_ctl(chip, CONTROL_AUX_CAPTURE_SWITCH);
 509                         }
 510                 } else if ((index == AC97_MIC || index == AC97_CD ||
 511                             index == AC97_VIDEO || index == AC97_AUX) &&
 512                            bitnr == 15 && !(newreg & 0x8000)) {
 513                         ac97_mute_ctl(chip, CONTROL_LINE_CAPTURE_SWITCH);
 514                         oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
 515                                                  CM9780_GPO0, CM9780_GPO0);
 516                 }
 517         }
 518         mutex_unlock(&chip->mutex);
 519         return change;
 520 }
 521
 522 static int ac97_volume_info(struct snd_kcontrol *ctl,
 523                             struct snd_ctl_elem_info *info)
 524 {
 525         info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 526         info->count = 2;
 527         info->value.integer.min = 0;
 528         info->value.integer.max = 0x1f;
 529         return 0;
 530 }
 531
 532 static int ac97_volume_get(struct snd_kcontrol *ctl,
 533                            struct snd_ctl_elem_value *value)
 534 {
 535         struct oxygen *chip = ctl->private_data;
 536         unsigned int index = ctl->private_value;
 537         u16 reg;
 538
 539         mutex_lock(&chip->mutex);
 540         reg = oxygen_read_ac97(chip, 0, index);
 541         mutex_unlock(&chip->mutex);
 542         value->value.integer.value[0] = 31 - (reg & 0x1f);
 543         value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f);
 544         return 0;
 545 }
 546
 547 static int ac97_volume_put(struct snd_kcontrol *ctl,
 548                            struct snd_ctl_elem_value *value)
 549 {
 550         struct oxygen *chip = ctl->private_data;
 551         unsigned int index = ctl->private_value;
 552         u16 oldreg, newreg;
 553         int change;
 554
 555         mutex_lock(&chip->mutex);
 556         oldreg = oxygen_read_ac97(chip, 0, index);
 557         newreg = oldreg;
 558         newreg = (newreg & ~0x1f) |
 559                 (31 - (value->value.integer.value[0] & 0x1f));
 560         newreg = (newreg & ~0x1f00) |
 561                 ((31 - (value->value.integer.value[0] & 0x1f)) << 8);
 562         change = newreg != oldreg;
 563         if (change)
 564                 oxygen_write_ac97(chip, 0, index, newreg);
 565         mutex_unlock(&chip->mutex);
 566         return change;
 567 }
 568
 569 #define AC97_SWITCH(xname, index, bitnr, invert) { \
 570                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 571                 .name = xname, \
 572                 .info = snd_ctl_boolean_mono_info, \
 573                 .get = ac97_switch_get, \
 574                 .put = ac97_switch_put, \
 575                 .private_value = ((invert) << 16) | ((bitnr) << 8) | (index), \
 576         }
 577 #define AC97_VOLUME(xname, index) { \
 578                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 579                 .name = xname, \
 580                 .info = ac97_volume_info, \
 581                 .get = ac97_volume_get, \
 582                 .put = ac97_volume_put, \
 583                 .tlv = { .p = ac97_db_scale, }, \
 584                 .private_value = (index), \
 585         }
 586
 587 static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
 588
 589 static const struct snd_kcontrol_new controls[] = {
 590         {
 591                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 592                 .name = "Master Playback Volume",
 593                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 594                 .info = dac_volume_info,
 595                 .get = dac_volume_get,
 596                 .put = dac_volume_put,
 597         },
 598         {
 599                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 600                 .name = "Master Playback Switch",
 601                 .info = snd_ctl_boolean_mono_info,
 602                 .get = dac_mute_get,
 603                 .put = dac_mute_put,
 604         },
 605         {
 606                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 607                 .name = "Stereo Upmixing",
 608                 .info = upmix_info,
 609                 .get = upmix_get,
 610                 .put = upmix_put,
 611         },
 612         {
 613                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 614                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
 615                 .info = snd_ctl_boolean_mono_info,
 616                 .get = spdif_switch_get,
 617                 .put = spdif_switch_put,
 618         },
 619         {
 620                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 621                 .device = 1,
 622                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
 623                 .info = spdif_info,
 624                 .get = spdif_default_get,
 625                 .put = spdif_default_put,
 626         },
 627         {
 628                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 629                 .device = 1,
 630                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
 631                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 632                 .info = spdif_info,
 633                 .get = spdif_mask_get,
 634         },
 635         {
 636                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 637                 .device = 1,
 638                 .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
 639                 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 640                           SNDRV_CTL_ELEM_ACCESS_INACTIVE,
 641                 .info = spdif_info,
 642                 .get = spdif_pcm_get,
 643                 .put = spdif_pcm_put,
 644         },
 645         {
 646                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 647                 .device = 1,
 648                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
 649                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 650                 .info = spdif_info,
 651                 .get = spdif_input_mask_get,
 652         },
 653         {
 654                 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 655                 .device = 1,
 656                 .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
 657                 .access = SNDRV_CTL_ELEM_ACCESS_READ,
 658                 .info = spdif_info,
 659                 .get = spdif_input_default_get,
 660         },
 661         {
 662                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 663                 .name = SNDRV_CTL_NAME_IEC958("Loopback ", NONE, SWITCH),
 664                 .info = snd_ctl_boolean_mono_info,
 665                 .get = spdif_loopback_get,
 666                 .put = spdif_loopback_put,
 667         },
 668 };
 669
 670 static const struct snd_kcontrol_new ac97_controls[] = {
 671         AC97_VOLUME("Mic Capture Volume", AC97_MIC),
 672         AC97_SWITCH("Mic Capture Switch", AC97_MIC, 15, 1),
 673         AC97_SWITCH("Mic Boost (+20dB)", AC97_MIC, 6, 0),
 674         AC97_SWITCH("Line Capture Switch", AC97_LINE, 15, 1),
 675         AC97_VOLUME("CD Capture Volume", AC97_CD),
 676         AC97_SWITCH("CD Capture Switch", AC97_CD, 15, 1),
 677         AC97_VOLUME("Aux Capture Volume", AC97_AUX),
 678         AC97_SWITCH("Aux Capture Switch", AC97_AUX, 15, 1),
 679 };
 680
 681 static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
 682 {
 683         struct oxygen *chip = ctl->private_data;
 684         unsigned int i;
 685
 686         /* I'm too lazy to write a function for each control :-) */
 687         for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
 688                 chip->controls[i] = NULL;
 689 }
 690
 691 static int add_controls(struct oxygen *chip,
 692                         const struct snd_kcontrol_new controls[],
 693                         unsigned int count)
 694 {
 695         static const char *const known_ctl_names[CONTROL_COUNT] = {
 696                 [CONTROL_SPDIF_PCM] =
 697                         SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
 698                 [CONTROL_SPDIF_INPUT_BITS] =
 699                         SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
 700                 [CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
 701                 [CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
 702                 [CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
 703                 [CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
 704         };
 705         unsigned int i, j;
 706         struct snd_kcontrol_new template;
 707         struct snd_kcontrol *ctl;
 708         int err;
 709
 710         for (i = 0; i < count; ++i) {
 711                 template = controls[i];
 712                 err = chip->model->control_filter(&template);
 713                 if (err < 0)
 714                         return err;
 715                 if (err == 1)
 716                         continue;
 717                 ctl = snd_ctl_new1(&template, chip);
 718                 if (!ctl)
 719                         return -ENOMEM;
 720                 err = snd_ctl_add(chip->card, ctl);
 721                 if (err < 0)
 722                         return err;
 723                 for (j = 0; j < CONTROL_COUNT; ++j)
 724                         if (!strcmp(ctl->id.name, known_ctl_names[j])) {
 725                                 chip->controls[j] = ctl;
 726                                 ctl->private_free = oxygen_any_ctl_free;
 727                         }
 728         }
 729         return 0;
 730 }
 731
 732 int oxygen_mixer_init(struct oxygen *chip)
 733 {
 734         int err;
 735
 736         err = add_controls(chip, controls, ARRAY_SIZE(controls));
 737         if (err < 0)
 738                 return err;
 739         if (chip->has_ac97_0) {
 740                 err = add_controls(chip, ac97_controls,
 741                                    ARRAY_SIZE(ac97_controls));
 742                 if (err < 0)
 743                         return err;
 744         }
 745         return chip->model->mixer_init ? chip->model->mixer_init(chip) : 0;
 746 }