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