linux/sound/pci/oxygen/oxygen_mixer.c
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   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
  28static 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
  40static 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
  53static 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
  73static 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
  84static 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
 100static 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
 110static 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
 125static 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
 135void 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
 194static 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
 212static 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
 223static 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
 245void 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
 287static 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
 305static 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
 312static 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
 321static 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
 334static 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
 345static 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
 356static 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
 375static 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
 385static 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
 396static 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
 415static 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
 425static 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
 439static 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
 450static 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
 471static 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
 481static 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
 493static 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
 515static 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
 535static 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
 553static 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
 597static 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
 609static int ac97_volume_get(struct snd_kcontrol *ctl,
 610                           struct snd_ctl_elem_value *value)
 611{
 612        struct oxygen *chip = ctl->private_data;
 613        unsigned int codec = (ctl->private_value >> 24) & 1;
 614        int stereo = (ctl->private_value >> 16) & 1;
 615        unsigned int index = ctl->private_value & 0xff;
 616        u16 reg;
 617
 618        mutex_lock(&chip->mutex);
 619        reg = oxygen_read_ac97(chip, codec, index);
 620        mutex_unlock(&chip->mutex);
 621        value->value.integer.value[0] = 31 - (reg & 0x1f);
 622        if (stereo)
 623                value->value.integer.value[1] = 31 - ((reg >> 8) & 0x1f);
 624        return 0;
 625}
 626
 627static int ac97_volume_put(struct snd_kcontrol *ctl,
 628                           struct snd_ctl_elem_value *value)
 629{
 630        struct oxygen *chip = ctl->private_data;
 631        unsigned int codec = (ctl->private_value >> 24) & 1;
 632        int stereo = (ctl->private_value >> 16) & 1;
 633        unsigned int index = ctl->private_value & 0xff;
 634        u16 oldreg, newreg;
 635        int change;
 636
 637        mutex_lock(&chip->mutex);
 638        oldreg = oxygen_read_ac97(chip, codec, index);
 639        newreg = oldreg;
 640        newreg = (newreg & ~0x1f) |
 641                (31 - (value->value.integer.value[0] & 0x1f));
 642        if (stereo)
 643                newreg = (newreg & ~0x1f00) |
 644                        ((31 - (value->value.integer.value[1] & 0x1f)) << 8);
 645        else
 646                newreg = (newreg & ~0x1f00) | ((newreg & 0x1f) << 8);
 647        change = newreg != oldreg;
 648        if (change)
 649                oxygen_write_ac97(chip, codec, index, newreg);
 650        mutex_unlock(&chip->mutex);
 651        return change;
 652}
 653
 654static int mic_fmic_source_info(struct snd_kcontrol *ctl,
 655                           struct snd_ctl_elem_info *info)
 656{
 657        static const char *const names[] = { "Mic Jack", "Front Panel" };
 658
 659        return snd_ctl_enum_info(info, 1, 2, names);
 660}
 661
 662static int mic_fmic_source_get(struct snd_kcontrol *ctl,
 663                               struct snd_ctl_elem_value *value)
 664{
 665        struct oxygen *chip = ctl->private_data;
 666
 667        mutex_lock(&chip->mutex);
 668        value->value.enumerated.item[0] =
 669                !!(oxygen_read_ac97(chip, 0, CM9780_JACK) & CM9780_FMIC2MIC);
 670        mutex_unlock(&chip->mutex);
 671        return 0;
 672}
 673
 674static int mic_fmic_source_put(struct snd_kcontrol *ctl,
 675                               struct snd_ctl_elem_value *value)
 676{
 677        struct oxygen *chip = ctl->private_data;
 678        u16 oldreg, newreg;
 679        int change;
 680
 681        mutex_lock(&chip->mutex);
 682        oldreg = oxygen_read_ac97(chip, 0, CM9780_JACK);
 683        if (value->value.enumerated.item[0])
 684                newreg = oldreg | CM9780_FMIC2MIC;
 685        else
 686                newreg = oldreg & ~CM9780_FMIC2MIC;
 687        change = newreg != oldreg;
 688        if (change)
 689                oxygen_write_ac97(chip, 0, CM9780_JACK, newreg);
 690        mutex_unlock(&chip->mutex);
 691        return change;
 692}
 693
 694static int ac97_fp_rec_volume_info(struct snd_kcontrol *ctl,
 695                                   struct snd_ctl_elem_info *info)
 696{
 697        info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 698        info->count = 2;
 699        info->value.integer.min = 0;
 700        info->value.integer.max = 7;
 701        return 0;
 702}
 703
 704static int ac97_fp_rec_volume_get(struct snd_kcontrol *ctl,
 705                                  struct snd_ctl_elem_value *value)
 706{
 707        struct oxygen *chip = ctl->private_data;
 708        u16 reg;
 709
 710        mutex_lock(&chip->mutex);
 711        reg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
 712        mutex_unlock(&chip->mutex);
 713        value->value.integer.value[0] = reg & 7;
 714        value->value.integer.value[1] = (reg >> 8) & 7;
 715        return 0;
 716}
 717
 718static int ac97_fp_rec_volume_put(struct snd_kcontrol *ctl,
 719                                  struct snd_ctl_elem_value *value)
 720{
 721        struct oxygen *chip = ctl->private_data;
 722        u16 oldreg, newreg;
 723        int change;
 724
 725        mutex_lock(&chip->mutex);
 726        oldreg = oxygen_read_ac97(chip, 1, AC97_REC_GAIN);
 727        newreg = oldreg & ~0x0707;
 728        newreg = newreg | (value->value.integer.value[0] & 7);
 729        newreg = newreg | ((value->value.integer.value[0] & 7) << 8);
 730        change = newreg != oldreg;
 731        if (change)
 732                oxygen_write_ac97(chip, 1, AC97_REC_GAIN, newreg);
 733        mutex_unlock(&chip->mutex);
 734        return change;
 735}
 736
 737#define AC97_SWITCH(xname, codec, index, bitnr, invert) { \
 738                .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 739                .name = xname, \
 740                .info = snd_ctl_boolean_mono_info, \
 741                .get = ac97_switch_get, \
 742                .put = ac97_switch_put, \
 743                .private_value = ((codec) << 24) | ((invert) << 16) | \
 744                                 ((bitnr) << 8) | (index), \
 745        }
 746#define AC97_VOLUME(xname, codec, index, stereo) { \
 747                .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 748                .name = xname, \
 749                .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
 750                          SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
 751                .info = ac97_volume_info, \
 752                .get = ac97_volume_get, \
 753                .put = ac97_volume_put, \
 754                .tlv = { .p = ac97_db_scale, }, \
 755                .private_value = ((codec) << 24) | ((stereo) << 16) | (index), \
 756        }
 757
 758static DECLARE_TLV_DB_SCALE(monitor_db_scale, -600, 600, 0);
 759static DECLARE_TLV_DB_SCALE(ac97_db_scale, -3450, 150, 0);
 760static DECLARE_TLV_DB_SCALE(ac97_rec_db_scale, 0, 150, 0);
 761
 762static const struct snd_kcontrol_new controls[] = {
 763        {
 764                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 765                .name = "Master Playback Volume",
 766                .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 767                .info = dac_volume_info,
 768                .get = dac_volume_get,
 769                .put = dac_volume_put,
 770        },
 771        {
 772                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 773                .name = "Master Playback Switch",
 774                .info = snd_ctl_boolean_mono_info,
 775                .get = dac_mute_get,
 776                .put = dac_mute_put,
 777        },
 778        {
 779                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 780                .name = "Stereo Upmixing",
 781                .info = upmix_info,
 782                .get = upmix_get,
 783                .put = upmix_put,
 784        },
 785        {
 786                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 787                .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
 788                .info = snd_ctl_boolean_mono_info,
 789                .get = spdif_switch_get,
 790                .put = spdif_switch_put,
 791        },
 792        {
 793                .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 794                .device = 1,
 795                .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
 796                .info = spdif_info,
 797                .get = spdif_default_get,
 798                .put = spdif_default_put,
 799        },
 800        {
 801                .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 802                .device = 1,
 803                .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
 804                .access = SNDRV_CTL_ELEM_ACCESS_READ,
 805                .info = spdif_info,
 806                .get = spdif_mask_get,
 807        },
 808        {
 809                .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 810                .device = 1,
 811                .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
 812                .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 813                          SNDRV_CTL_ELEM_ACCESS_INACTIVE,
 814                .info = spdif_info,
 815                .get = spdif_pcm_get,
 816                .put = spdif_pcm_put,
 817        },
 818};
 819
 820static const struct snd_kcontrol_new spdif_input_controls[] = {
 821        {
 822                .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 823                .device = 1,
 824                .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK),
 825                .access = SNDRV_CTL_ELEM_ACCESS_READ,
 826                .info = spdif_info,
 827                .get = spdif_input_mask_get,
 828        },
 829        {
 830                .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 831                .device = 1,
 832                .name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
 833                .access = SNDRV_CTL_ELEM_ACCESS_READ,
 834                .info = spdif_info,
 835                .get = spdif_input_default_get,
 836        },
 837        {
 838                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 839                .name = SNDRV_CTL_NAME_IEC958("Loopback ", NONE, SWITCH),
 840                .info = snd_ctl_boolean_mono_info,
 841                .get = spdif_bit_switch_get,
 842                .put = spdif_bit_switch_put,
 843                .private_value = OXYGEN_SPDIF_LOOPBACK,
 844        },
 845        {
 846                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 847                .name = SNDRV_CTL_NAME_IEC958("Validity Check ",CAPTURE,SWITCH),
 848                .info = snd_ctl_boolean_mono_info,
 849                .get = spdif_bit_switch_get,
 850                .put = spdif_bit_switch_put,
 851                .private_value = OXYGEN_SPDIF_SPDVALID,
 852        },
 853};
 854
 855static const struct {
 856        unsigned int pcm_dev;
 857        struct snd_kcontrol_new controls[2];
 858} monitor_controls[] = {
 859        {
 860                .pcm_dev = CAPTURE_0_FROM_I2S_1,
 861                .controls = {
 862                        {
 863                                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 864                                .name = "Analog Input Monitor Playback Switch",
 865                                .info = snd_ctl_boolean_mono_info,
 866                                .get = monitor_get,
 867                                .put = monitor_put,
 868                                .private_value = OXYGEN_ADC_MONITOR_A,
 869                        },
 870                        {
 871                                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 872                                .name = "Analog Input Monitor Playback Volume",
 873                                .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 874                                          SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 875                                .info = monitor_volume_info,
 876                                .get = monitor_get,
 877                                .put = monitor_put,
 878                                .private_value = OXYGEN_ADC_MONITOR_A_HALF_VOL
 879                                                | (1 << 8),
 880                                .tlv = { .p = monitor_db_scale, },
 881                        },
 882                },
 883        },
 884        {
 885                .pcm_dev = CAPTURE_0_FROM_I2S_2,
 886                .controls = {
 887                        {
 888                                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 889                                .name = "Analog Input Monitor Playback Switch",
 890                                .info = snd_ctl_boolean_mono_info,
 891                                .get = monitor_get,
 892                                .put = monitor_put,
 893                                .private_value = OXYGEN_ADC_MONITOR_B,
 894                        },
 895                        {
 896                                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 897                                .name = "Analog Input Monitor Playback Volume",
 898                                .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 899                                          SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 900                                .info = monitor_volume_info,
 901                                .get = monitor_get,
 902                                .put = monitor_put,
 903                                .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
 904                                                | (1 << 8),
 905                                .tlv = { .p = monitor_db_scale, },
 906                        },
 907                },
 908        },
 909        {
 910                .pcm_dev = CAPTURE_2_FROM_I2S_2,
 911                .controls = {
 912                        {
 913                                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 914                                .name = "Analog Input Monitor Playback Switch",
 915                                .index = 1,
 916                                .info = snd_ctl_boolean_mono_info,
 917                                .get = monitor_get,
 918                                .put = monitor_put,
 919                                .private_value = OXYGEN_ADC_MONITOR_B,
 920                        },
 921                        {
 922                                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 923                                .name = "Analog Input Monitor Playback Volume",
 924                                .index = 1,
 925                                .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 926                                          SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 927                                .info = monitor_volume_info,
 928                                .get = monitor_get,
 929                                .put = monitor_put,
 930                                .private_value = OXYGEN_ADC_MONITOR_B_HALF_VOL
 931                                                | (1 << 8),
 932                                .tlv = { .p = monitor_db_scale, },
 933                        },
 934                },
 935        },
 936        {
 937                .pcm_dev = CAPTURE_1_FROM_SPDIF,
 938                .controls = {
 939                        {
 940                                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 941                                .name = "Digital Input Monitor Playback Switch",
 942                                .info = snd_ctl_boolean_mono_info,
 943                                .get = monitor_get,
 944                                .put = monitor_put,
 945                                .private_value = OXYGEN_ADC_MONITOR_C,
 946                        },
 947                        {
 948                                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 949                                .name = "Digital Input Monitor Playback Volume",
 950                                .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 951                                          SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 952                                .info = monitor_volume_info,
 953                                .get = monitor_get,
 954                                .put = monitor_put,
 955                                .private_value = OXYGEN_ADC_MONITOR_C_HALF_VOL
 956                                                | (1 << 8),
 957                                .tlv = { .p = monitor_db_scale, },
 958                        },
 959                },
 960        },
 961};
 962
 963static const struct snd_kcontrol_new ac97_controls[] = {
 964        AC97_VOLUME("Mic Capture Volume", 0, AC97_MIC, 0),
 965        AC97_SWITCH("Mic Capture Switch", 0, AC97_MIC, 15, 1),
 966        AC97_SWITCH("Mic Boost (+20dB)", 0, AC97_MIC, 6, 0),
 967        {
 968                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 969                .name = "Mic Source Capture Enum",
 970                .info = mic_fmic_source_info,
 971                .get = mic_fmic_source_get,
 972                .put = mic_fmic_source_put,
 973        },
 974        AC97_SWITCH("Line Capture Switch", 0, AC97_LINE, 15, 1),
 975        AC97_VOLUME("CD Capture Volume", 0, AC97_CD, 1),
 976        AC97_SWITCH("CD Capture Switch", 0, AC97_CD, 15, 1),
 977        AC97_VOLUME("Aux Capture Volume", 0, AC97_AUX, 1),
 978        AC97_SWITCH("Aux Capture Switch", 0, AC97_AUX, 15, 1),
 979};
 980
 981static const struct snd_kcontrol_new ac97_fp_controls[] = {
 982        AC97_VOLUME("Front Panel Playback Volume", 1, AC97_HEADPHONE, 1),
 983        AC97_SWITCH("Front Panel Playback Switch", 1, AC97_HEADPHONE, 15, 1),
 984        {
 985                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 986                .name = "Front Panel Capture Volume",
 987                .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 988                          SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 989                .info = ac97_fp_rec_volume_info,
 990                .get = ac97_fp_rec_volume_get,
 991                .put = ac97_fp_rec_volume_put,
 992                .tlv = { .p = ac97_rec_db_scale, },
 993        },
 994        AC97_SWITCH("Front Panel Capture Switch", 1, AC97_REC_GAIN, 15, 1),
 995};
 996
 997static void oxygen_any_ctl_free(struct snd_kcontrol *ctl)
 998{
 999        struct oxygen *chip = ctl->private_data;
1000        unsigned int i;
1001
1002        /* I'm too lazy to write a function for each control :-) */
1003        for (i = 0; i < ARRAY_SIZE(chip->controls); ++i)
1004                chip->controls[i] = NULL;
1005}
1006
1007static int add_controls(struct oxygen *chip,
1008                        const struct snd_kcontrol_new controls[],
1009                        unsigned int count)
1010{
1011        static const char *const known_ctl_names[CONTROL_COUNT] = {
1012                [CONTROL_SPDIF_PCM] =
1013                        SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
1014                [CONTROL_SPDIF_INPUT_BITS] =
1015                        SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
1016                [CONTROL_MIC_CAPTURE_SWITCH] = "Mic Capture Switch",
1017                [CONTROL_LINE_CAPTURE_SWITCH] = "Line Capture Switch",
1018                [CONTROL_CD_CAPTURE_SWITCH] = "CD Capture Switch",
1019                [CONTROL_AUX_CAPTURE_SWITCH] = "Aux Capture Switch",
1020        };
1021        unsigned int i, j;
1022        struct snd_kcontrol_new template;
1023        struct snd_kcontrol *ctl;
1024        int err;
1025
1026        for (i = 0; i < count; ++i) {
1027                template = controls[i];
1028                if (chip->model.control_filter) {
1029                        err = chip->model.control_filter(&template);
1030                        if (err < 0)
1031                                return err;
1032                        if (err == 1)
1033                                continue;
1034                }
1035                if (!strcmp(template.name, "Stereo Upmixing") &&
1036                    chip->model.dac_channels_pcm == 2)
1037                        continue;
1038                if (!strcmp(template.name, "Mic Source Capture Enum") &&
1039                    !(chip->model.device_config & AC97_FMIC_SWITCH))
1040                        continue;
1041                if (!strncmp(template.name, "CD Capture ", 11) &&
1042                    !(chip->model.device_config & AC97_CD_INPUT))
1043                        continue;
1044                if (!strcmp(template.name, "Master Playback Volume") &&
1045                    chip->model.dac_tlv) {
1046                        template.tlv.p = chip->model.dac_tlv;
1047                        template.access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1048                }
1049                ctl = snd_ctl_new1(&template, chip);
1050                if (!ctl)
1051                        return -ENOMEM;
1052                err = snd_ctl_add(chip->card, ctl);
1053                if (err < 0)
1054                        return err;
1055                for (j = 0; j < CONTROL_COUNT; ++j)
1056                        if (!strcmp(ctl->id.name, known_ctl_names[j])) {
1057                                chip->controls[j] = ctl;
1058                                ctl->private_free = oxygen_any_ctl_free;
1059                        }
1060        }
1061        return 0;
1062}
1063
1064int oxygen_mixer_init(struct oxygen *chip)
1065{
1066        unsigned int i;
1067        int err;
1068
1069        err = add_controls(chip, controls, ARRAY_SIZE(controls));
1070        if (err < 0)
1071                return err;
1072        if (chip->model.device_config & CAPTURE_1_FROM_SPDIF) {
1073                err = add_controls(chip, spdif_input_controls,
1074                                   ARRAY_SIZE(spdif_input_controls));
1075                if (err < 0)
1076                        return err;
1077        }
1078        for (i = 0; i < ARRAY_SIZE(monitor_controls); ++i) {
1079                if (!(chip->model.device_config & monitor_controls[i].pcm_dev))
1080                        continue;
1081                err = add_controls(chip, monitor_controls[i].controls,
1082                                   ARRAY_SIZE(monitor_controls[i].controls));
1083                if (err < 0)
1084                        return err;
1085        }
1086        if (chip->has_ac97_0) {
1087                err = add_controls(chip, ac97_controls,
1088                                   ARRAY_SIZE(ac97_controls));
1089                if (err < 0)
1090                        return err;
1091        }
1092        if (chip->has_ac97_1) {
1093                err = add_controls(chip, ac97_fp_controls,
1094                                   ARRAY_SIZE(ac97_fp_controls));
1095                if (err < 0)
1096                        return err;
1097        }
1098        return chip->model.mixer_init ? chip->model.mixer_init(chip) : 0;
1099}
1100