git.oblomov.eu Git - linux-2.6/blob - sound/drivers/vx/vx_mixer.c

   1 /*
   2  * Driver for Digigram VX soundcards
   3  *
   4  * Common mixer part
   5  *
   6  * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
   7  *
   8  *   This program is free software; you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License as published by
  10  *   the Free Software Foundation; either version 2 of the License, or
  11  *   (at your option) any later version.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program; if not, write to the Free Software
  20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21  */
  22
  23 #include <sound/driver.h>
  24 #include <sound/core.h>
  25 #include <sound/control.h>
  26 #include <sound/vx_core.h>
  27 #include "vx_cmd.h"
  28
  29
  30 /*
  31  * write a codec data (24bit)
  32  */
  33 static void vx_write_codec_reg(vx_core_t *chip, int codec, unsigned int data)
  34 {
  35         unsigned long flags;
  36
  37         snd_assert(chip->ops->write_codec, return);
  38
  39         if (chip->chip_status & VX_STAT_IS_STALE)
  40                 return;
  41
  42         spin_lock_irqsave(&chip->lock, flags);
  43         chip->ops->write_codec(chip, codec, data);
  44         spin_unlock_irqrestore(&chip->lock, flags);
  45 }
  46
  47 /*
  48  * Data type used to access the Codec
  49  */
  50 typedef union {
  51         u32 l;
  52 #ifdef SNDRV_BIG_ENDIAN
  53         struct w {
  54                 u16 h;
  55                 u16 l;
  56         } w;
  57         struct b {
  58                 u8 hh;
  59                 u8 mh;
  60                 u8 ml;
  61                 u8 ll;
  62         } b;
  63 #else /* LITTLE_ENDIAN */
  64         struct w {
  65                 u16 l;
  66                 u16 h;
  67         } w;
  68         struct b {
  69                 u8 ll;
  70                 u8 ml;
  71                 u8 mh;
  72                 u8 hh;
  73         } b;
  74 #endif
  75 } vx_codec_data_t;
  76
  77 #define SET_CDC_DATA_SEL(di,s)          ((di).b.mh = (u8) (s))
  78 #define SET_CDC_DATA_REG(di,r)          ((di).b.ml = (u8) (r))
  79 #define SET_CDC_DATA_VAL(di,d)          ((di).b.ll = (u8) (d))
  80 #define SET_CDC_DATA_INIT(di)           ((di).l = 0L, SET_CDC_DATA_SEL(di,XX_CODEC_SELECTOR))
  81
  82 /*
  83  * set up codec register and write the value
  84  * @codec: the codec id, 0 or 1
  85  * @reg: register index
  86  * @val: data value
  87  */
  88 static void vx_set_codec_reg(vx_core_t *chip, int codec, int reg, int val)
  89 {
  90         vx_codec_data_t data;
  91         /* DAC control register */
  92         SET_CDC_DATA_INIT(data);
  93         SET_CDC_DATA_REG(data, reg);
  94         SET_CDC_DATA_VAL(data, val);
  95         vx_write_codec_reg(chip, codec, data.l);
  96 }
  97
  98
  99 /*
 100  * vx_set_analog_output_level - set the output attenuation level
 101  * @codec: the output codec, 0 or 1.  (1 for VXP440 only)
 102  * @left: left output level, 0 = mute
 103  * @right: right output level
 104  */
 105 static void vx_set_analog_output_level(vx_core_t *chip, int codec, int left, int right)
 106 {
 107         left  = chip->hw->output_level_max - left;
 108         right = chip->hw->output_level_max - right;
 109
 110         if (chip->ops->akm_write) {
 111                 chip->ops->akm_write(chip, XX_CODEC_LEVEL_LEFT_REGISTER, left);
 112                 chip->ops->akm_write(chip, XX_CODEC_LEVEL_RIGHT_REGISTER, right);
 113         } else {
 114                 /* convert to attenuation level: 0 = 0dB (max), 0xe3 = -113.5 dB (min) */
 115                 vx_set_codec_reg(chip, codec, XX_CODEC_LEVEL_LEFT_REGISTER, left);
 116                 vx_set_codec_reg(chip, codec, XX_CODEC_LEVEL_RIGHT_REGISTER, right);
 117         }
 118 }
 119
 120
 121 /*
 122  * vx_toggle_dac_mute -  mute/unmute DAC
 123  * @mute: 0 = unmute, 1 = mute
 124  */
 125
 126 #define DAC_ATTEN_MIN   0x08
 127 #define DAC_ATTEN_MAX   0x38
 128
 129 void vx_toggle_dac_mute(vx_core_t *chip, int mute)
 130 {
 131         unsigned int i;
 132         for (i = 0; i < chip->hw->num_codecs; i++) {
 133                 if (chip->ops->akm_write)
 134                         chip->ops->akm_write(chip, XX_CODEC_DAC_CONTROL_REGISTER, mute); /* XXX */
 135                 else
 136                         vx_set_codec_reg(chip, i, XX_CODEC_DAC_CONTROL_REGISTER,
 137                                          mute ? DAC_ATTEN_MAX : DAC_ATTEN_MIN);
 138         }
 139 }
 140
 141 /*
 142  * vx_reset_codec - reset and initialize the codecs
 143  */
 144 void vx_reset_codec(vx_core_t *chip, int cold_reset)
 145 {
 146         unsigned int i;
 147         int port = chip->type >= VX_TYPE_VXPOCKET ? 0x75 : 0x65;
 148
 149         chip->ops->reset_codec(chip);
 150
 151         /* AKM codecs should be initialized in reset_codec callback */
 152         if (! chip->ops->akm_write) {
 153                 /* initialize old codecs */
 154                 for (i = 0; i < chip->hw->num_codecs; i++) {
 155                         /* DAC control register (change level when zero crossing + mute) */
 156                         vx_set_codec_reg(chip, i, XX_CODEC_DAC_CONTROL_REGISTER, DAC_ATTEN_MAX);
 157                         /* ADC control register */
 158                         vx_set_codec_reg(chip, i, XX_CODEC_ADC_CONTROL_REGISTER, 0x00);
 159                         /* Port mode register */
 160                         vx_set_codec_reg(chip, i, XX_CODEC_PORT_MODE_REGISTER, port);
 161                         /* Clock control register */
 162                         vx_set_codec_reg(chip, i, XX_CODEC_CLOCK_CONTROL_REGISTER, 0x00);
 163                 }
 164         }
 165
 166         /* mute analog output */
 167         for (i = 0; i < chip->hw->num_codecs; i++) {
 168                 chip->output_level[i][0] = 0;
 169                 chip->output_level[i][1] = 0;
 170                 vx_set_analog_output_level(chip, i, 0, 0);
 171         }
 172 }
 173
 174 /*
 175  * change the audio input source
 176  * @src: the target source (VX_AUDIO_SRC_XXX)
 177  */
 178 static void vx_change_audio_source(vx_core_t *chip, int src)
 179 {
 180         unsigned long flags;
 181
 182         if (chip->chip_status & VX_STAT_IS_STALE)
 183                 return;
 184
 185         spin_lock_irqsave(&chip->lock, flags);
 186         chip->ops->change_audio_source(chip, src);
 187         spin_unlock_irqrestore(&chip->lock, flags);
 188 }
 189
 190
 191 /*
 192  * change the audio source if necessary and possible
 193  * returns 1 if the source is actually changed.
 194  */
 195 int vx_sync_audio_source(vx_core_t *chip)
 196 {
 197         if (chip->audio_source_target == chip->audio_source ||
 198             chip->pcm_running)
 199                 return 0;
 200         vx_change_audio_source(chip, chip->audio_source_target);
 201         chip->audio_source = chip->audio_source_target;
 202         return 1;
 203 }
 204
 205
 206 /*
 207  * audio level, mute, monitoring
 208  */
 209 struct vx_audio_level {
 210         unsigned int has_level: 1;
 211         unsigned int has_monitor_level: 1;
 212         unsigned int has_mute: 1;
 213         unsigned int has_monitor_mute: 1;
 214         unsigned int mute;
 215         unsigned int monitor_mute;
 216         short level;
 217         short monitor_level;
 218 };
 219
 220 static int vx_adjust_audio_level(vx_core_t *chip, int audio, int capture,
 221                                  struct vx_audio_level *info)
 222 {
 223         struct vx_rmh rmh;
 224
 225         if (chip->chip_status & VX_STAT_IS_STALE)
 226                 return -EBUSY;
 227
 228         vx_init_rmh(&rmh, CMD_AUDIO_LEVEL_ADJUST);
 229         if (capture)
 230                 rmh.Cmd[0] |= COMMAND_RECORD_MASK;
 231         /* Add Audio IO mask */
 232         rmh.Cmd[1] = 1 << audio;
 233         rmh.Cmd[2] = 0;
 234         if (info->has_level) {
 235                 rmh.Cmd[0] |=  VALID_AUDIO_IO_DIGITAL_LEVEL;
 236                 rmh.Cmd[2] |= info->level;
 237         }
 238         if (info->has_monitor_level) {
 239                 rmh.Cmd[0] |=  VALID_AUDIO_IO_MONITORING_LEVEL;
 240                 rmh.Cmd[2] |= ((unsigned int)info->monitor_level << 10);
 241         }
 242         if (info->has_mute) {
 243                 rmh.Cmd[0] |= VALID_AUDIO_IO_MUTE_LEVEL;
 244                 if (info->mute)
 245                         rmh.Cmd[2] |= AUDIO_IO_HAS_MUTE_LEVEL;
 246         }
 247         if (info->has_monitor_mute) {
 248                 /* validate flag for M2 at least to unmute it */
 249                 rmh.Cmd[0] |=  VALID_AUDIO_IO_MUTE_MONITORING_1 | VALID_AUDIO_IO_MUTE_MONITORING_2;
 250                 if (info->monitor_mute)
 251                         rmh.Cmd[2] |= AUDIO_IO_HAS_MUTE_MONITORING_1;
 252         }
 253
 254         return vx_send_msg(chip, &rmh);
 255 }
 256
 257
 258 #if 0 // not used
 259 static int vx_read_audio_level(vx_core_t *chip, int audio, int capture,
 260                                struct vx_audio_level *info)
 261 {
 262         int err;
 263         struct vx_rmh rmh;
 264
 265         memset(info, 0, sizeof(*info));
 266         vx_init_rmh(&rmh, CMD_GET_AUDIO_LEVELS);
 267         if (capture)
 268                 rmh.Cmd[0] |= COMMAND_RECORD_MASK;
 269         /* Add Audio IO mask */
 270         rmh.Cmd[1] = 1 << audio;
 271         err = vx_send_msg(chip, &rmh);
 272         if (err < 0)
 273                 return err;
 274         info.level = rmh.Stat[0] & MASK_DSP_WORD_LEVEL;
 275         info.monitor_level = (rmh.Stat[0] >> 10) & MASK_DSP_WORD_LEVEL;
 276         info.mute = (rmh.Stat[i] & AUDIO_IO_HAS_MUTE_LEVEL) ? 1 : 0;
 277         info.monitor_mute = (rmh.Stat[i] & AUDIO_IO_HAS_MUTE_MONITORING_1) ? 1 : 0;
 278         return 0;
 279 }
 280 #endif // not used
 281
 282 /*
 283  * set the monitoring level and mute state of the given audio
 284  * no more static, because must be called from vx_pcm to demute monitoring
 285  */
 286 int vx_set_monitor_level(vx_core_t *chip, int audio, int level, int active)
 287 {
 288         struct vx_audio_level info;
 289
 290         memset(&info, 0, sizeof(info));
 291         info.has_monitor_level = 1;
 292         info.monitor_level = level;
 293         info.has_monitor_mute = 1;
 294         info.monitor_mute = !active;
 295         chip->audio_monitor[audio] = level;
 296         chip->audio_monitor_active[audio] = active;
 297         return vx_adjust_audio_level(chip, audio, 0, &info); /* playback only */
 298 }
 299
 300
 301 /*
 302  * set the mute status of the given audio
 303  */
 304 static int vx_set_audio_switch(vx_core_t *chip, int audio, int active)
 305 {
 306         struct vx_audio_level info;
 307
 308         memset(&info, 0, sizeof(info));
 309         info.has_mute = 1;
 310         info.mute = !active;
 311         chip->audio_active[audio] = active;
 312         return vx_adjust_audio_level(chip, audio, 0, &info); /* playback only */
 313 }
 314
 315 /*
 316  * set the mute status of the given audio
 317  */
 318 static int vx_set_audio_gain(vx_core_t *chip, int audio, int capture, int level)
 319 {
 320         struct vx_audio_level info;
 321
 322         memset(&info, 0, sizeof(info));
 323         info.has_level = 1;
 324         info.level = level;
 325         chip->audio_gain[capture][audio] = level;
 326         return vx_adjust_audio_level(chip, audio, capture, &info);
 327 }
 328
 329 /*
 330  * reset all audio levels
 331  */
 332 static void vx_reset_audio_levels(vx_core_t *chip)
 333 {
 334         unsigned int i, c;
 335         struct vx_audio_level info;
 336
 337         memset(chip->audio_gain, 0, sizeof(chip->audio_gain));
 338         memset(chip->audio_active, 0, sizeof(chip->audio_active));
 339         memset(chip->audio_monitor, 0, sizeof(chip->audio_monitor));
 340         memset(chip->audio_monitor_active, 0, sizeof(chip->audio_monitor_active));
 341
 342         for (c = 0; c < 2; c++) {
 343                 for (i = 0; i < chip->hw->num_ins * 2; i++) {
 344                         memset(&info, 0, sizeof(info));
 345                         if (c == 0) {
 346                                 info.has_monitor_level = 1;
 347                                 info.has_mute = 1;
 348                                 info.has_monitor_mute = 1;
 349                         }
 350                         info.has_level = 1;
 351                         info.level = CVAL_0DB; /* default: 0dB */
 352                         vx_adjust_audio_level(chip, i, c, &info);
 353                         chip->audio_gain[c][i] = CVAL_0DB;
 354                         chip->audio_monitor[i] = CVAL_0DB;
 355                 }
 356         }
 357 }
 358
 359
 360 /*
 361  * VU, peak meter record
 362  */
 363
 364 #define VU_METER_CHANNELS       2
 365
 366 struct vx_vu_meter {
 367         int saturated;
 368         int vu_level;
 369         int peak_level;
 370 };
 371
 372 /*
 373  * get the VU and peak meter values
 374  * @audio: the audio index
 375  * @capture: 0 = playback, 1 = capture operation
 376  * @info: the array of vx_vu_meter records (size = 2).
 377  */
 378 static int vx_get_audio_vu_meter(vx_core_t *chip, int audio, int capture, struct vx_vu_meter *info)
 379 {
 380         struct vx_rmh rmh;
 381         int i, err;
 382
 383         if (chip->chip_status & VX_STAT_IS_STALE)
 384                 return -EBUSY;
 385
 386         vx_init_rmh(&rmh, CMD_AUDIO_VU_PIC_METER);
 387         rmh.LgStat += 2 * VU_METER_CHANNELS;
 388         if (capture)
 389                 rmh.Cmd[0] |= COMMAND_RECORD_MASK;
 390
 391         /* Add Audio IO mask */
 392         rmh.Cmd[1] = 0;
 393         for (i = 0; i < VU_METER_CHANNELS; i++)
 394                 rmh.Cmd[1] |= 1 << (audio + i);
 395         err = vx_send_msg(chip, &rmh);
 396         if (err < 0)
 397                 return err;
 398         /* Read response */
 399         for (i = 0; i < 2 * VU_METER_CHANNELS; i +=2) {
 400                 info->saturated = (rmh.Stat[0] & (1 << (audio + i))) ? 1 : 0;
 401                 info->vu_level = rmh.Stat[i + 1];
 402                 info->peak_level = rmh.Stat[i + 2];
 403                 info++;
 404         }
 405         return 0;
 406 }
 407
 408
 409 /*
 410  * control API entries
 411  */
 412
 413 /*
 414  * output level control
 415  */
 416 static int vx_output_level_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 417 {
 418         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 419         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 420         uinfo->count = 2;
 421         uinfo->value.integer.min = 0;
 422         uinfo->value.integer.max = chip->hw->output_level_max;
 423         return 0;
 424 }
 425
 426 static int vx_output_level_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 427 {
 428         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 429         int codec = kcontrol->id.index;
 430         down(&chip->mixer_mutex);
 431         ucontrol->value.integer.value[0] = chip->output_level[codec][0];
 432         ucontrol->value.integer.value[1] = chip->output_level[codec][1];
 433         up(&chip->mixer_mutex);
 434         return 0;
 435 }
 436
 437 static int vx_output_level_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 438 {
 439         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 440         int codec = kcontrol->id.index;
 441         down(&chip->mixer_mutex);
 442         if (ucontrol->value.integer.value[0] != chip->output_level[codec][0] ||
 443             ucontrol->value.integer.value[1] != chip->output_level[codec][1]) {
 444                 vx_set_analog_output_level(chip, codec,
 445                                            ucontrol->value.integer.value[0],
 446                                            ucontrol->value.integer.value[1]);
 447                 chip->output_level[codec][0] = ucontrol->value.integer.value[0];
 448                 chip->output_level[codec][1] = ucontrol->value.integer.value[1];
 449                 up(&chip->mixer_mutex);
 450                 return 1;
 451         }
 452         up(&chip->mixer_mutex);
 453         return 0;
 454 }
 455
 456 static snd_kcontrol_new_t vx_control_output_level = {
 457         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 458         .name =         "Master Playback Volume",
 459         .info =         vx_output_level_info,
 460         .get =          vx_output_level_get,
 461         .put =          vx_output_level_put,
 462 };
 463
 464 /*
 465  * audio source select
 466  */
 467 static int vx_audio_src_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 468 {
 469         static char *texts_mic[3] = {
 470                 "Digital", "Line", "Mic"
 471         };
 472         static char *texts_vx2[2] = {
 473                 "Digital", "Analog"
 474         };
 475         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 476
 477         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 478         uinfo->count = 1;
 479         if (chip->type >= VX_TYPE_VXPOCKET) {
 480                 uinfo->value.enumerated.items = 3;
 481                 if (uinfo->value.enumerated.item > 2)
 482                         uinfo->value.enumerated.item = 2;
 483                 strcpy(uinfo->value.enumerated.name,
 484                        texts_mic[uinfo->value.enumerated.item]);
 485         } else {
 486                 uinfo->value.enumerated.items = 2;
 487                 if (uinfo->value.enumerated.item > 1)
 488                         uinfo->value.enumerated.item = 1;
 489                 strcpy(uinfo->value.enumerated.name,
 490                        texts_vx2[uinfo->value.enumerated.item]);
 491         }
 492         return 0;
 493 }
 494
 495 static int vx_audio_src_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 496 {
 497         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 498         ucontrol->value.enumerated.item[0] = chip->audio_source_target;
 499         return 0;
 500 }
 501
 502 static int vx_audio_src_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 503 {
 504         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 505         down(&chip->mixer_mutex);
 506         if (chip->audio_source_target != ucontrol->value.enumerated.item[0]) {
 507                 chip->audio_source_target = ucontrol->value.enumerated.item[0];
 508                 vx_sync_audio_source(chip);
 509                 up(&chip->mixer_mutex);
 510                 return 1;
 511         }
 512         up(&chip->mixer_mutex);
 513         return 0;
 514 }
 515
 516 static snd_kcontrol_new_t vx_control_audio_src = {
 517         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 518         .name =         "Capture Source",
 519         .info =         vx_audio_src_info,
 520         .get =          vx_audio_src_get,
 521         .put =          vx_audio_src_put,
 522 };
 523
 524 /*
 525  * clock mode selection
 526  */
 527 static int vx_clock_mode_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 528 {
 529         static char *texts[3] = {
 530                 "Auto", "Internal", "External"
 531         };
 532
 533         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 534         uinfo->count = 1;
 535         uinfo->value.enumerated.items = 3;
 536         if (uinfo->value.enumerated.item > 2)
 537                 uinfo->value.enumerated.item = 2;
 538         strcpy(uinfo->value.enumerated.name,
 539                texts[uinfo->value.enumerated.item]);
 540         return 0;
 541 }
 542
 543 static int vx_clock_mode_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 544 {
 545         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 546         ucontrol->value.enumerated.item[0] = chip->clock_mode;
 547         return 0;
 548 }
 549
 550 static int vx_clock_mode_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 551 {
 552         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 553         down(&chip->mixer_mutex);
 554         if (chip->clock_mode != ucontrol->value.enumerated.item[0]) {
 555                 chip->clock_mode = ucontrol->value.enumerated.item[0];
 556                 vx_set_clock(chip, chip->freq);
 557                 up(&chip->mixer_mutex);
 558                 return 1;
 559         }
 560         up(&chip->mixer_mutex);
 561         return 0;
 562 }
 563
 564 static snd_kcontrol_new_t vx_control_clock_mode = {
 565         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 566         .name =         "Clock Mode",
 567         .info =         vx_clock_mode_info,
 568         .get =          vx_clock_mode_get,
 569         .put =          vx_clock_mode_put,
 570 };
 571
 572 /*
 573  * Audio Gain
 574  */
 575 static int vx_audio_gain_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 576 {
 577         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 578         uinfo->count = 2;
 579         uinfo->value.integer.min = 0;
 580         uinfo->value.integer.max = CVAL_MAX;
 581         return 0;
 582 }
 583
 584 static int vx_audio_gain_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 585 {
 586         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 587         int audio = kcontrol->private_value & 0xff;
 588         int capture = (kcontrol->private_value >> 8) & 1;
 589
 590         down(&chip->mixer_mutex);
 591         ucontrol->value.integer.value[0] = chip->audio_gain[capture][audio];
 592         ucontrol->value.integer.value[1] = chip->audio_gain[capture][audio+1];
 593         up(&chip->mixer_mutex);
 594         return 0;
 595 }
 596
 597 static int vx_audio_gain_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 598 {
 599         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 600         int audio = kcontrol->private_value & 0xff;
 601         int capture = (kcontrol->private_value >> 8) & 1;
 602
 603         down(&chip->mixer_mutex);
 604         if (ucontrol->value.integer.value[0] != chip->audio_gain[capture][audio] ||
 605             ucontrol->value.integer.value[1] != chip->audio_gain[capture][audio+1]) {
 606                 vx_set_audio_gain(chip, audio, capture, ucontrol->value.integer.value[0]);
 607                 vx_set_audio_gain(chip, audio+1, capture, ucontrol->value.integer.value[1]);
 608                 up(&chip->mixer_mutex);
 609                 return 1;
 610         }
 611         up(&chip->mixer_mutex);
 612         return 0;
 613 }
 614
 615 static int vx_audio_monitor_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 616 {
 617         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 618         int audio = kcontrol->private_value & 0xff;
 619
 620         down(&chip->mixer_mutex);
 621         ucontrol->value.integer.value[0] = chip->audio_monitor[audio];
 622         ucontrol->value.integer.value[1] = chip->audio_monitor[audio+1];
 623         up(&chip->mixer_mutex);
 624         return 0;
 625 }
 626
 627 static int vx_audio_monitor_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 628 {
 629         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 630         int audio = kcontrol->private_value & 0xff;
 631
 632         down(&chip->mixer_mutex);
 633         if (ucontrol->value.integer.value[0] != chip->audio_monitor[audio] ||
 634             ucontrol->value.integer.value[1] != chip->audio_monitor[audio+1]) {
 635                 vx_set_monitor_level(chip, audio, ucontrol->value.integer.value[0],
 636                                      chip->audio_monitor_active[audio]);
 637                 vx_set_monitor_level(chip, audio+1, ucontrol->value.integer.value[1],
 638                                      chip->audio_monitor_active[audio+1]);
 639                 up(&chip->mixer_mutex);
 640                 return 1;
 641         }
 642         up(&chip->mixer_mutex);
 643         return 0;
 644 }
 645
 646 static int vx_audio_sw_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 647 {
 648         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 649         uinfo->count = 2;
 650         uinfo->value.integer.min = 0;
 651         uinfo->value.integer.max = 1;
 652         return 0;
 653 }
 654
 655 static int vx_audio_sw_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 656 {
 657         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 658         int audio = kcontrol->private_value & 0xff;
 659
 660         down(&chip->mixer_mutex);
 661         ucontrol->value.integer.value[0] = chip->audio_active[audio];
 662         ucontrol->value.integer.value[1] = chip->audio_active[audio+1];
 663         up(&chip->mixer_mutex);
 664         return 0;
 665 }
 666
 667 static int vx_audio_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 668 {
 669         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 670         int audio = kcontrol->private_value & 0xff;
 671
 672         down(&chip->mixer_mutex);
 673         if (ucontrol->value.integer.value[0] != chip->audio_active[audio] ||
 674             ucontrol->value.integer.value[1] != chip->audio_active[audio+1]) {
 675                 vx_set_audio_switch(chip, audio, ucontrol->value.integer.value[0]);
 676                 vx_set_audio_switch(chip, audio+1, ucontrol->value.integer.value[1]);
 677                 up(&chip->mixer_mutex);
 678                 return 1;
 679         }
 680         up(&chip->mixer_mutex);
 681         return 0;
 682 }
 683
 684 static int vx_monitor_sw_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 685 {
 686         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 687         int audio = kcontrol->private_value & 0xff;
 688
 689         down(&chip->mixer_mutex);
 690         ucontrol->value.integer.value[0] = chip->audio_monitor_active[audio];
 691         ucontrol->value.integer.value[1] = chip->audio_monitor_active[audio+1];
 692         up(&chip->mixer_mutex);
 693         return 0;
 694 }
 695
 696 static int vx_monitor_sw_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 697 {
 698         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 699         int audio = kcontrol->private_value & 0xff;
 700
 701         down(&chip->mixer_mutex);
 702         if (ucontrol->value.integer.value[0] != chip->audio_monitor_active[audio] ||
 703             ucontrol->value.integer.value[1] != chip->audio_monitor_active[audio+1]) {
 704                 vx_set_monitor_level(chip, audio, chip->audio_monitor[audio],
 705                                      ucontrol->value.integer.value[0]);
 706                 vx_set_monitor_level(chip, audio+1, chip->audio_monitor[audio+1],
 707                                      ucontrol->value.integer.value[1]);
 708                 up(&chip->mixer_mutex);
 709                 return 1;
 710         }
 711         up(&chip->mixer_mutex);
 712         return 0;
 713 }
 714
 715 static snd_kcontrol_new_t vx_control_audio_gain = {
 716         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 717         /* name will be filled later */
 718         .info =         vx_audio_gain_info,
 719         .get =          vx_audio_gain_get,
 720         .put =          vx_audio_gain_put
 721 };
 722 static snd_kcontrol_new_t vx_control_output_switch = {
 723         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 724         .name =         "PCM Playback Switch",
 725         .info =         vx_audio_sw_info,
 726         .get =          vx_audio_sw_get,
 727         .put =          vx_audio_sw_put
 728 };
 729 static snd_kcontrol_new_t vx_control_monitor_gain = {
 730         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 731         .name =         "Monitoring Volume",
 732         .info =         vx_audio_gain_info,     /* shared */
 733         .get =          vx_audio_monitor_get,
 734         .put =          vx_audio_monitor_put
 735 };
 736 static snd_kcontrol_new_t vx_control_monitor_switch = {
 737         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 738         .name =         "Monitoring Switch",
 739         .info =         vx_audio_sw_info,       /* shared */
 740         .get =          vx_monitor_sw_get,
 741         .put =          vx_monitor_sw_put
 742 };
 743
 744
 745 /*
 746  * IEC958 status bits
 747  */
 748 static int vx_iec958_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 749 {
 750         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 751         uinfo->count = 1;
 752         return 0;
 753 }
 754
 755 static int vx_iec958_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 756 {
 757         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 758
 759         down(&chip->mixer_mutex);
 760         ucontrol->value.iec958.status[0] = (chip->uer_bits >> 0) & 0xff;
 761         ucontrol->value.iec958.status[1] = (chip->uer_bits >> 8) & 0xff;
 762         ucontrol->value.iec958.status[2] = (chip->uer_bits >> 16) & 0xff;
 763         ucontrol->value.iec958.status[3] = (chip->uer_bits >> 24) & 0xff;
 764         up(&chip->mixer_mutex);
 765         return 0;
 766 }
 767
 768 static int vx_iec958_mask_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t *ucontrol)
 769 {
 770         ucontrol->value.iec958.status[0] = 0xff;
 771         ucontrol->value.iec958.status[1] = 0xff;
 772         ucontrol->value.iec958.status[2] = 0xff;
 773         ucontrol->value.iec958.status[3] = 0xff;
 774         return 0;
 775 }
 776
 777 static int vx_iec958_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 778 {
 779         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 780         unsigned int val;
 781
 782         val = (ucontrol->value.iec958.status[0] << 0) |
 783               (ucontrol->value.iec958.status[1] << 8) |
 784               (ucontrol->value.iec958.status[2] << 16) |
 785               (ucontrol->value.iec958.status[3] << 24);
 786         down(&chip->mixer_mutex);
 787         if (chip->uer_bits != val) {
 788                 chip->uer_bits = val;
 789                 vx_set_iec958_status(chip, val);
 790                 up(&chip->mixer_mutex);
 791                 return 1;
 792         }
 793         up(&chip->mixer_mutex);
 794         return 0;
 795 }
 796
 797 static snd_kcontrol_new_t vx_control_iec958_mask = {
 798         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
 799         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 800         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
 801         .info =         vx_iec958_info, /* shared */
 802         .get =          vx_iec958_mask_get,
 803 };
 804
 805 static snd_kcontrol_new_t vx_control_iec958 = {
 806         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 807         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
 808         .info =         vx_iec958_info,
 809         .get =          vx_iec958_get,
 810         .put =          vx_iec958_put
 811 };
 812
 813
 814 /*
 815  * VU meter
 816  */
 817
 818 #define METER_MAX       0xff
 819 #define METER_SHIFT     16
 820
 821 static int vx_vu_meter_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 822 {
 823         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 824         uinfo->count = 2;
 825         uinfo->value.integer.min = 0;
 826         uinfo->value.integer.max = METER_MAX;
 827         return 0;
 828 }
 829
 830 static int vx_vu_meter_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 831 {
 832         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 833         struct vx_vu_meter meter[2];
 834         int audio = kcontrol->private_value & 0xff;
 835         int capture = (kcontrol->private_value >> 8) & 1;
 836
 837         vx_get_audio_vu_meter(chip, audio, capture, meter);
 838         ucontrol->value.integer.value[0] = meter[0].vu_level >> METER_SHIFT;
 839         ucontrol->value.integer.value[1] = meter[1].vu_level >> METER_SHIFT;
 840         return 0;
 841 }
 842
 843 static int vx_peak_meter_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 844 {
 845         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 846         struct vx_vu_meter meter[2];
 847         int audio = kcontrol->private_value & 0xff;
 848         int capture = (kcontrol->private_value >> 8) & 1;
 849
 850         vx_get_audio_vu_meter(chip, audio, capture, meter);
 851         ucontrol->value.integer.value[0] = meter[0].peak_level >> METER_SHIFT;
 852         ucontrol->value.integer.value[1] = meter[1].peak_level >> METER_SHIFT;
 853         return 0;
 854 }
 855
 856 static int vx_saturation_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
 857 {
 858         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 859         uinfo->count = 2;
 860         uinfo->value.integer.min = 0;
 861         uinfo->value.integer.max = 1;
 862         return 0;
 863 }
 864
 865 static int vx_saturation_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
 866 {
 867         vx_core_t *chip = snd_kcontrol_chip(kcontrol);
 868         struct vx_vu_meter meter[2];
 869         int audio = kcontrol->private_value & 0xff;
 870
 871         vx_get_audio_vu_meter(chip, audio, 1, meter); /* capture only */
 872         ucontrol->value.integer.value[0] = meter[0].saturated;
 873         ucontrol->value.integer.value[1] = meter[1].saturated;
 874         return 0;
 875 }
 876
 877 static snd_kcontrol_new_t vx_control_vu_meter = {
 878         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 879         .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 880         /* name will be filled later */
 881         .info =         vx_vu_meter_info,
 882         .get =          vx_vu_meter_get,
 883 };
 884
 885 static snd_kcontrol_new_t vx_control_peak_meter = {
 886         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 887         .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 888         /* name will be filled later */
 889         .info =         vx_vu_meter_info,       /* shared */
 890         .get =          vx_peak_meter_get,
 891 };
 892
 893 static snd_kcontrol_new_t vx_control_saturation = {
 894         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 895         .name =         "Input Saturation",
 896         .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 897         .info =         vx_saturation_info,
 898         .get =          vx_saturation_get,
 899 };
 900
 901
 902
 903 /*
 904  *
 905  */
 906
 907 int snd_vx_mixer_new(vx_core_t *chip)
 908 {
 909         unsigned int i, c;
 910         int err;
 911         snd_kcontrol_new_t temp;
 912         snd_card_t *card = chip->card;
 913         char name[32];
 914
 915         strcpy(card->mixername, card->driver);
 916
 917         /* output level controls */
 918         for (i = 0; i < chip->hw->num_outs; i++) {
 919                 temp = vx_control_output_level;
 920                 temp.index = i;
 921                 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 922                         return err;
 923         }
 924
 925         /* PCM volumes, switches, monitoring */
 926         for (i = 0; i < chip->hw->num_outs; i++) {
 927                 int val = i * 2;
 928                 temp = vx_control_audio_gain;
 929                 temp.index = i;
 930                 temp.name = "PCM Playback Volume";
 931                 temp.private_value = val;
 932                 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 933                         return err;
 934                 temp = vx_control_output_switch;
 935                 temp.index = i;
 936                 temp.private_value = val;
 937                 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 938                         return err;
 939                 temp = vx_control_monitor_gain;
 940                 temp.index = i;
 941                 temp.private_value = val;
 942                 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 943                         return err;
 944                 temp = vx_control_monitor_switch;
 945                 temp.index = i;
 946                 temp.private_value = val;
 947                 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 948                         return err;
 949         }
 950         for (i = 0; i < chip->hw->num_outs; i++) {
 951                 temp = vx_control_audio_gain;
 952                 temp.index = i;
 953                 temp.name = "PCM Capture Volume";
 954                 temp.private_value = (i * 2) | (1 << 8);
 955                 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 956                         return err;
 957         }
 958
 959         /* Audio source */
 960         if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_audio_src, chip))) < 0)
 961                 return err;
 962         /* clock mode */
 963         if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_clock_mode, chip))) < 0)
 964                 return err;
 965         /* IEC958 controls */
 966         if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958_mask, chip))) < 0)
 967                 return err;
 968         if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958, chip))) < 0)
 969                 return err;
 970         /* VU, peak, saturation meters */
 971         for (c = 0; c < 2; c++) {
 972                 static char *dir[2] = { "Output", "Input" };
 973                 for (i = 0; i < chip->hw->num_ins; i++) {
 974                         int val = (i * 2) | (c << 8);
 975                         if (c == 1) {
 976                                 temp = vx_control_saturation;
 977                                 temp.index = i;
 978                                 temp.private_value = val;
 979                                 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 980                                         return err;
 981                         }
 982                         sprintf(name, "%s VU Meter", dir[c]);
 983                         temp = vx_control_vu_meter;
 984                         temp.index = i;
 985                         temp.name = name;
 986                         temp.private_value = val;
 987                         if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 988                                 return err;
 989                         sprintf(name, "%s Peak Meter", dir[c]);
 990                         temp = vx_control_peak_meter;
 991                         temp.index = i;
 992                         temp.name = name;
 993                         temp.private_value = val;
 994                         if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 995                                 return err;
 996                 }
 997         }
 998         vx_reset_audio_levels(chip);
 999         return 0;
1000 }