sound/drivers/vx/vx

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This source file includes following definitions.
vx_write_codec_reg
vx_set_codec_reg
vx_set_analog_output_level
vx_toggle_dac_mute
vx_reset_codec
vx_change_audio_source
vx_sync_audio_source
vx_adjust_audio_level
vx_read_audio_level
vx_set_monitor_level
vx_set_audio_switch
vx_set_audio_gain
vx_reset_audio_levels
vx_get_audio_vu_meter
vx_output_level_info
vx_output_level_get
vx_output_level_put
vx_audio_src_info
vx_audio_src_get
vx_audio_src_put
vx_clock_mode_info
vx_clock_mode_get
vx_clock_mode_put
vx_audio_gain_info
vx_audio_gain_get
vx_audio_gain_put
vx_audio_monitor_get
vx_audio_monitor_put
vx_audio_sw_get
vx_audio_sw_put
vx_monitor_sw_get
vx_monitor_sw_put
vx_iec958_info
vx_iec958_get
vx_iec958_mask_get
vx_iec958_put
vx_vu_meter_info
vx_vu_meter_get
vx_peak_meter_get
vx_saturation_get
snd_vx_mixer_new
   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Driver for Digigram VX soundcards
   4  *
   5  * Common mixer part
   6  *
   7  * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
   8  */
   9 
  10 #include <sound/core.h>
  11 #include <sound/control.h>
  12 #include <sound/tlv.h>
  13 #include <sound/vx_core.h>
  14 #include "vx_cmd.h"
  15 
  16 
  17 /*
  18  * write a codec data (24bit)
  19  */
  20 static void vx_write_codec_reg(struct vx_core *chip, int codec, unsigned int data)
  21 {
  22         if (snd_BUG_ON(!chip->ops->write_codec))
  23                 return;
  24 
  25         if (chip->chip_status & VX_STAT_IS_STALE)
  26                 return;
  27 
  28         mutex_lock(&chip->lock);
  29         chip->ops->write_codec(chip, codec, data);
  30         mutex_unlock(&chip->lock);
  31 }
  32 
  33 /*
  34  * Data type used to access the Codec
  35  */
  36 union vx_codec_data {
  37         u32 l;
  38 #ifdef SNDRV_BIG_ENDIAN
  39         struct w {
  40                 u16 h;
  41                 u16 l;
  42         } w;
  43         struct b {
  44                 u8 hh;
  45                 u8 mh;
  46                 u8 ml;
  47                 u8 ll;
  48         } b;
  49 #else /* LITTLE_ENDIAN */
  50         struct w {
  51                 u16 l;
  52                 u16 h;
  53         } w;
  54         struct b {
  55                 u8 ll;
  56                 u8 ml;
  57                 u8 mh;
  58                 u8 hh;
  59         } b;
  60 #endif
  61 };
  62 
  63 #define SET_CDC_DATA_SEL(di,s)          ((di).b.mh = (u8) (s))
  64 #define SET_CDC_DATA_REG(di,r)          ((di).b.ml = (u8) (r))
  65 #define SET_CDC_DATA_VAL(di,d)          ((di).b.ll = (u8) (d))
  66 #define SET_CDC_DATA_INIT(di)           ((di).l = 0L, SET_CDC_DATA_SEL(di,XX_CODEC_SELECTOR))
  67 
  68 /*
  69  * set up codec register and write the value
  70  * @codec: the codec id, 0 or 1
  71  * @reg: register index
  72  * @val: data value
  73  */
  74 static void vx_set_codec_reg(struct vx_core *chip, int codec, int reg, int val)
  75 {
  76         union vx_codec_data data;
  77         /* DAC control register */
  78         SET_CDC_DATA_INIT(data);
  79         SET_CDC_DATA_REG(data, reg);
  80         SET_CDC_DATA_VAL(data, val);
  81         vx_write_codec_reg(chip, codec, data.l);
  82 }
  83 
  84 
  85 /*
  86  * vx_set_analog_output_level - set the output attenuation level
  87  * @codec: the output codec, 0 or 1.  (1 for VXP440 only)
  88  * @left: left output level, 0 = mute
  89  * @right: right output level
  90  */
  91 static void vx_set_analog_output_level(struct vx_core *chip, int codec, int left, int right)
  92 {
  93         left  = chip->hw->output_level_max - left;
  94         right = chip->hw->output_level_max - right;
  95 
  96         if (chip->ops->akm_write) {
  97                 chip->ops->akm_write(chip, XX_CODEC_LEVEL_LEFT_REGISTER, left);
  98                 chip->ops->akm_write(chip, XX_CODEC_LEVEL_RIGHT_REGISTER, right);
  99         } else {
 100                 /* convert to attenuation level: 0 = 0dB (max), 0xe3 = -113.5 dB (min) */
 101                 vx_set_codec_reg(chip, codec, XX_CODEC_LEVEL_LEFT_REGISTER, left);
 102                 vx_set_codec_reg(chip, codec, XX_CODEC_LEVEL_RIGHT_REGISTER, right);
 103         }
 104 }
 105 
 106 
 107 /*
 108  * vx_toggle_dac_mute -  mute/unmute DAC
 109  * @mute: 0 = unmute, 1 = mute
 110  */
 111 
 112 #define DAC_ATTEN_MIN   0x08
 113 #define DAC_ATTEN_MAX   0x38
 114 
 115 void vx_toggle_dac_mute(struct vx_core *chip, int mute)
 116 {
 117         unsigned int i;
 118         for (i = 0; i < chip->hw->num_codecs; i++) {
 119                 if (chip->ops->akm_write)
 120                         chip->ops->akm_write(chip, XX_CODEC_DAC_CONTROL_REGISTER, mute); /* XXX */
 121                 else
 122                         vx_set_codec_reg(chip, i, XX_CODEC_DAC_CONTROL_REGISTER,
 123                                          mute ? DAC_ATTEN_MAX : DAC_ATTEN_MIN);
 124         }
 125 }
 126 
 127 /*
 128  * vx_reset_codec - reset and initialize the codecs
 129  */
 130 void vx_reset_codec(struct vx_core *chip, int cold_reset)
 131 {
 132         unsigned int i;
 133         int port = chip->type >= VX_TYPE_VXPOCKET ? 0x75 : 0x65;
 134 
 135         chip->ops->reset_codec(chip);
 136 
 137         /* AKM codecs should be initialized in reset_codec callback */
 138         if (! chip->ops->akm_write) {
 139                 /* initialize old codecs */
 140                 for (i = 0; i < chip->hw->num_codecs; i++) {
 141                         /* DAC control register (change level when zero crossing + mute) */
 142                         vx_set_codec_reg(chip, i, XX_CODEC_DAC_CONTROL_REGISTER, DAC_ATTEN_MAX);
 143                         /* ADC control register */
 144                         vx_set_codec_reg(chip, i, XX_CODEC_ADC_CONTROL_REGISTER, 0x00);
 145                         /* Port mode register */
 146                         vx_set_codec_reg(chip, i, XX_CODEC_PORT_MODE_REGISTER, port);
 147                         /* Clock control register */
 148                         vx_set_codec_reg(chip, i, XX_CODEC_CLOCK_CONTROL_REGISTER, 0x00);
 149                 }
 150         }
 151 
 152         /* mute analog output */
 153         for (i = 0; i < chip->hw->num_codecs; i++) {
 154                 chip->output_level[i][0] = 0;
 155                 chip->output_level[i][1] = 0;
 156                 vx_set_analog_output_level(chip, i, 0, 0);
 157         }
 158 }
 159 
 160 /*
 161  * change the audio input source
 162  * @src: the target source (VX_AUDIO_SRC_XXX)
 163  */
 164 static void vx_change_audio_source(struct vx_core *chip, int src)
 165 {
 166         if (chip->chip_status & VX_STAT_IS_STALE)
 167                 return;
 168 
 169         mutex_lock(&chip->lock);
 170         chip->ops->change_audio_source(chip, src);
 171         mutex_unlock(&chip->lock);
 172 }
 173 
 174 
 175 /*
 176  * change the audio source if necessary and possible
 177  * returns 1 if the source is actually changed.
 178  */
 179 int vx_sync_audio_source(struct vx_core *chip)
 180 {
 181         if (chip->audio_source_target == chip->audio_source ||
 182             chip->pcm_running)
 183                 return 0;
 184         vx_change_audio_source(chip, chip->audio_source_target);
 185         chip->audio_source = chip->audio_source_target;
 186         return 1;
 187 }
 188 
 189 
 190 /*
 191  * audio level, mute, monitoring
 192  */
 193 struct vx_audio_level {
 194         unsigned int has_level: 1;
 195         unsigned int has_monitor_level: 1;
 196         unsigned int has_mute: 1;
 197         unsigned int has_monitor_mute: 1;
 198         unsigned int mute;
 199         unsigned int monitor_mute;
 200         short level;
 201         short monitor_level;
 202 };
 203 
 204 static int vx_adjust_audio_level(struct vx_core *chip, int audio, int capture,
 205                                  struct vx_audio_level *info)
 206 {
 207         struct vx_rmh rmh;
 208 
 209         if (chip->chip_status & VX_STAT_IS_STALE)
 210                 return -EBUSY;
 211 
 212         vx_init_rmh(&rmh, CMD_AUDIO_LEVEL_ADJUST);
 213         if (capture)
 214                 rmh.Cmd[0] |= COMMAND_RECORD_MASK;
 215         /* Add Audio IO mask */
 216         rmh.Cmd[1] = 1 << audio;
 217         rmh.Cmd[2] = 0;
 218         if (info->has_level) {
 219                 rmh.Cmd[0] |=  VALID_AUDIO_IO_DIGITAL_LEVEL;
 220                 rmh.Cmd[2] |= info->level;
 221         }
 222         if (info->has_monitor_level) {
 223                 rmh.Cmd[0] |=  VALID_AUDIO_IO_MONITORING_LEVEL;
 224                 rmh.Cmd[2] |= ((unsigned int)info->monitor_level << 10);
 225         }
 226         if (info->has_mute) { 
 227                 rmh.Cmd[0] |= VALID_AUDIO_IO_MUTE_LEVEL;
 228                 if (info->mute)
 229                         rmh.Cmd[2] |= AUDIO_IO_HAS_MUTE_LEVEL;
 230         }
 231         if (info->has_monitor_mute) {
 232                 /* validate flag for M2 at least to unmute it */ 
 233                 rmh.Cmd[0] |=  VALID_AUDIO_IO_MUTE_MONITORING_1 | VALID_AUDIO_IO_MUTE_MONITORING_2;
 234                 if (info->monitor_mute)
 235                         rmh.Cmd[2] |= AUDIO_IO_HAS_MUTE_MONITORING_1;
 236         }
 237 
 238         return vx_send_msg(chip, &rmh);
 239 }
 240 
 241     
 242 #if 0 // not used
 243 static int vx_read_audio_level(struct vx_core *chip, int audio, int capture,
 244                                struct vx_audio_level *info)
 245 {
 246         int err;
 247         struct vx_rmh rmh;
 248 
 249         memset(info, 0, sizeof(*info));
 250         vx_init_rmh(&rmh, CMD_GET_AUDIO_LEVELS);
 251         if (capture)
 252                 rmh.Cmd[0] |= COMMAND_RECORD_MASK;
 253         /* Add Audio IO mask */
 254         rmh.Cmd[1] = 1 << audio;
 255         err = vx_send_msg(chip, &rmh);
 256         if (err < 0)
 257                 return err;
 258         info.level = rmh.Stat[0] & MASK_DSP_WORD_LEVEL;
 259         info.monitor_level = (rmh.Stat[0] >> 10) & MASK_DSP_WORD_LEVEL;
 260         info.mute = (rmh.Stat[i] & AUDIO_IO_HAS_MUTE_LEVEL) ? 1 : 0;
 261         info.monitor_mute = (rmh.Stat[i] & AUDIO_IO_HAS_MUTE_MONITORING_1) ? 1 : 0;
 262         return 0;
 263 }
 264 #endif // not used
 265 
 266 /*
 267  * set the monitoring level and mute state of the given audio
 268  * no more static, because must be called from vx_pcm to demute monitoring
 269  */
 270 int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active)
 271 {
 272         struct vx_audio_level info;
 273 
 274         memset(&info, 0, sizeof(info));
 275         info.has_monitor_level = 1;
 276         info.monitor_level = level;
 277         info.has_monitor_mute = 1;
 278         info.monitor_mute = !active;
 279         chip->audio_monitor[audio] = level;
 280         chip->audio_monitor_active[audio] = active;
 281         return vx_adjust_audio_level(chip, audio, 0, &info); /* playback only */
 282 }
 283 
 284 
 285 /*
 286  * set the mute status of the given audio
 287  */
 288 static int vx_set_audio_switch(struct vx_core *chip, int audio, int active)
 289 {
 290         struct vx_audio_level info;
 291 
 292         memset(&info, 0, sizeof(info));
 293         info.has_mute = 1;
 294         info.mute = !active;
 295         chip->audio_active[audio] = active;
 296         return vx_adjust_audio_level(chip, audio, 0, &info); /* playback only */
 297 }
 298 
 299 /*
 300  * set the mute status of the given audio
 301  */
 302 static int vx_set_audio_gain(struct vx_core *chip, int audio, int capture, int level)
 303 {
 304         struct vx_audio_level info;
 305 
 306         memset(&info, 0, sizeof(info));
 307         info.has_level = 1;
 308         info.level = level;
 309         chip->audio_gain[capture][audio] = level;
 310         return vx_adjust_audio_level(chip, audio, capture, &info);
 311 }
 312 
 313 /*
 314  * reset all audio levels
 315  */
 316 static void vx_reset_audio_levels(struct vx_core *chip)
 317 {
 318         unsigned int i, c;
 319         struct vx_audio_level info;
 320 
 321         memset(chip->audio_gain, 0, sizeof(chip->audio_gain));
 322         memset(chip->audio_active, 0, sizeof(chip->audio_active));
 323         memset(chip->audio_monitor, 0, sizeof(chip->audio_monitor));
 324         memset(chip->audio_monitor_active, 0, sizeof(chip->audio_monitor_active));
 325 
 326         for (c = 0; c < 2; c++) {
 327                 for (i = 0; i < chip->hw->num_ins * 2; i++) {
 328                         memset(&info, 0, sizeof(info));
 329                         if (c == 0) {
 330                                 info.has_monitor_level = 1;
 331                                 info.has_mute = 1;
 332                                 info.has_monitor_mute = 1;
 333                         }
 334                         info.has_level = 1;
 335                         info.level = CVAL_0DB; /* default: 0dB */
 336                         vx_adjust_audio_level(chip, i, c, &info);
 337                         chip->audio_gain[c][i] = CVAL_0DB;
 338                         chip->audio_monitor[i] = CVAL_0DB;
 339                 }
 340         }
 341 }
 342 
 343 
 344 /*
 345  * VU, peak meter record
 346  */
 347 
 348 #define VU_METER_CHANNELS       2
 349 
 350 struct vx_vu_meter {
 351         int saturated;
 352         int vu_level;
 353         int peak_level;
 354 };
 355 
 356 /*
 357  * get the VU and peak meter values
 358  * @audio: the audio index
 359  * @capture: 0 = playback, 1 = capture operation
 360  * @info: the array of vx_vu_meter records (size = 2).
 361  */
 362 static int vx_get_audio_vu_meter(struct vx_core *chip, int audio, int capture, struct vx_vu_meter *info)
 363 {
 364         struct vx_rmh rmh;
 365         int i, err;
 366 
 367         if (chip->chip_status & VX_STAT_IS_STALE)
 368                 return -EBUSY;
 369 
 370         vx_init_rmh(&rmh, CMD_AUDIO_VU_PIC_METER);
 371         rmh.LgStat += 2 * VU_METER_CHANNELS;
 372         if (capture)
 373                 rmh.Cmd[0] |= COMMAND_RECORD_MASK;
 374     
 375         /* Add Audio IO mask */
 376         rmh.Cmd[1] = 0;
 377         for (i = 0; i < VU_METER_CHANNELS; i++)
 378                 rmh.Cmd[1] |= 1 << (audio + i);
 379         err = vx_send_msg(chip, &rmh);
 380         if (err < 0)
 381                 return err;
 382         /* Read response */
 383         for (i = 0; i < 2 * VU_METER_CHANNELS; i +=2) {
 384                 info->saturated = (rmh.Stat[0] & (1 << (audio + i))) ? 1 : 0;
 385                 info->vu_level = rmh.Stat[i + 1];
 386                 info->peak_level = rmh.Stat[i + 2];
 387                 info++;
 388         }
 389         return 0;
 390 }
 391    
 392 
 393 /*
 394  * control API entries
 395  */
 396 
 397 /*
 398  * output level control
 399  */
 400 static int vx_output_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 401 {
 402         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 403         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 404         uinfo->count = 2;
 405         uinfo->value.integer.min = 0;
 406         uinfo->value.integer.max = chip->hw->output_level_max;
 407         return 0;
 408 }
 409 
 410 static int vx_output_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 411 {
 412         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 413         int codec = kcontrol->id.index;
 414         mutex_lock(&chip->mixer_mutex);
 415         ucontrol->value.integer.value[0] = chip->output_level[codec][0];
 416         ucontrol->value.integer.value[1] = chip->output_level[codec][1];
 417         mutex_unlock(&chip->mixer_mutex);
 418         return 0;
 419 }
 420 
 421 static int vx_output_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 422 {
 423         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 424         int codec = kcontrol->id.index;
 425         unsigned int val[2], vmax;
 426 
 427         vmax = chip->hw->output_level_max;
 428         val[0] = ucontrol->value.integer.value[0];
 429         val[1] = ucontrol->value.integer.value[1];
 430         if (val[0] > vmax || val[1] > vmax)
 431                 return -EINVAL;
 432         mutex_lock(&chip->mixer_mutex);
 433         if (val[0] != chip->output_level[codec][0] ||
 434             val[1] != chip->output_level[codec][1]) {
 435                 vx_set_analog_output_level(chip, codec, val[0], val[1]);
 436                 chip->output_level[codec][0] = val[0];
 437                 chip->output_level[codec][1] = val[1];
 438                 mutex_unlock(&chip->mixer_mutex);
 439                 return 1;
 440         }
 441         mutex_unlock(&chip->mixer_mutex);
 442         return 0;
 443 }
 444 
 445 static const struct snd_kcontrol_new vx_control_output_level = {
 446         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 447         .access =       (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 448                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 449         .name =         "Master Playback Volume",
 450         .info =         vx_output_level_info,
 451         .get =          vx_output_level_get,
 452         .put =          vx_output_level_put,
 453         /* tlv will be filled later */
 454 };
 455 
 456 /*
 457  * audio source select
 458  */
 459 static int vx_audio_src_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 460 {
 461         static const char * const texts_mic[3] = {
 462                 "Digital", "Line", "Mic"
 463         };
 464         static const char * const texts_vx2[2] = {
 465                 "Digital", "Analog"
 466         };
 467         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 468 
 469         if (chip->type >= VX_TYPE_VXPOCKET)
 470                 return snd_ctl_enum_info(uinfo, 1, 3, texts_mic);
 471         else
 472                 return snd_ctl_enum_info(uinfo, 1, 2, texts_vx2);
 473 }
 474 
 475 static int vx_audio_src_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 476 {
 477         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 478         ucontrol->value.enumerated.item[0] = chip->audio_source_target;
 479         return 0;
 480 }
 481 
 482 static int vx_audio_src_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 483 {
 484         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 485 
 486         if (chip->type >= VX_TYPE_VXPOCKET) {
 487                 if (ucontrol->value.enumerated.item[0] > 2)
 488                         return -EINVAL;
 489         } else {
 490                 if (ucontrol->value.enumerated.item[0] > 1)
 491                         return -EINVAL;
 492         }
 493         mutex_lock(&chip->mixer_mutex);
 494         if (chip->audio_source_target != ucontrol->value.enumerated.item[0]) {
 495                 chip->audio_source_target = ucontrol->value.enumerated.item[0];
 496                 vx_sync_audio_source(chip);
 497                 mutex_unlock(&chip->mixer_mutex);
 498                 return 1;
 499         }
 500         mutex_unlock(&chip->mixer_mutex);
 501         return 0;
 502 }
 503 
 504 static const struct snd_kcontrol_new vx_control_audio_src = {
 505         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 506         .name =         "Capture Source",
 507         .info =         vx_audio_src_info,
 508         .get =          vx_audio_src_get,
 509         .put =          vx_audio_src_put,
 510 };
 511 
 512 /*
 513  * clock mode selection
 514  */
 515 static int vx_clock_mode_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 516 {
 517         static const char * const texts[3] = {
 518                 "Auto", "Internal", "External"
 519         };
 520 
 521         return snd_ctl_enum_info(uinfo, 1, 3, texts);
 522 }
 523 
 524 static int vx_clock_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 525 {
 526         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 527         ucontrol->value.enumerated.item[0] = chip->clock_mode;
 528         return 0;
 529 }
 530 
 531 static int vx_clock_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 532 {
 533         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 534 
 535         if (ucontrol->value.enumerated.item[0] > 2)
 536                 return -EINVAL;
 537         mutex_lock(&chip->mixer_mutex);
 538         if (chip->clock_mode != ucontrol->value.enumerated.item[0]) {
 539                 chip->clock_mode = ucontrol->value.enumerated.item[0];
 540                 vx_set_clock(chip, chip->freq);
 541                 mutex_unlock(&chip->mixer_mutex);
 542                 return 1;
 543         }
 544         mutex_unlock(&chip->mixer_mutex);
 545         return 0;
 546 }
 547 
 548 static const struct snd_kcontrol_new vx_control_clock_mode = {
 549         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 550         .name =         "Clock Mode",
 551         .info =         vx_clock_mode_info,
 552         .get =          vx_clock_mode_get,
 553         .put =          vx_clock_mode_put,
 554 };
 555 
 556 /*
 557  * Audio Gain
 558  */
 559 static int vx_audio_gain_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 560 {
 561         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 562         uinfo->count = 2;
 563         uinfo->value.integer.min = 0;
 564         uinfo->value.integer.max = CVAL_MAX;
 565         return 0;
 566 }
 567 
 568 static int vx_audio_gain_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 569 {
 570         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 571         int audio = kcontrol->private_value & 0xff;
 572         int capture = (kcontrol->private_value >> 8) & 1;
 573 
 574         mutex_lock(&chip->mixer_mutex);
 575         ucontrol->value.integer.value[0] = chip->audio_gain[capture][audio];
 576         ucontrol->value.integer.value[1] = chip->audio_gain[capture][audio+1];
 577         mutex_unlock(&chip->mixer_mutex);
 578         return 0;
 579 }
 580 
 581 static int vx_audio_gain_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 582 {
 583         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 584         int audio = kcontrol->private_value & 0xff;
 585         int capture = (kcontrol->private_value >> 8) & 1;
 586         unsigned int val[2];
 587 
 588         val[0] = ucontrol->value.integer.value[0];
 589         val[1] = ucontrol->value.integer.value[1];
 590         if (val[0] > CVAL_MAX || val[1] > CVAL_MAX)
 591                 return -EINVAL;
 592         mutex_lock(&chip->mixer_mutex);
 593         if (val[0] != chip->audio_gain[capture][audio] ||
 594             val[1] != chip->audio_gain[capture][audio+1]) {
 595                 vx_set_audio_gain(chip, audio, capture, val[0]);
 596                 vx_set_audio_gain(chip, audio+1, capture, val[1]);
 597                 mutex_unlock(&chip->mixer_mutex);
 598                 return 1;
 599         }
 600         mutex_unlock(&chip->mixer_mutex);
 601         return 0;
 602 }
 603 
 604 static int vx_audio_monitor_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 605 {
 606         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 607         int audio = kcontrol->private_value & 0xff;
 608 
 609         mutex_lock(&chip->mixer_mutex);
 610         ucontrol->value.integer.value[0] = chip->audio_monitor[audio];
 611         ucontrol->value.integer.value[1] = chip->audio_monitor[audio+1];
 612         mutex_unlock(&chip->mixer_mutex);
 613         return 0;
 614 }
 615 
 616 static int vx_audio_monitor_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 617 {
 618         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 619         int audio = kcontrol->private_value & 0xff;
 620         unsigned int val[2];
 621 
 622         val[0] = ucontrol->value.integer.value[0];
 623         val[1] = ucontrol->value.integer.value[1];
 624         if (val[0] > CVAL_MAX || val[1] > CVAL_MAX)
 625                 return -EINVAL;
 626 
 627         mutex_lock(&chip->mixer_mutex);
 628         if (val[0] != chip->audio_monitor[audio] ||
 629             val[1] != chip->audio_monitor[audio+1]) {
 630                 vx_set_monitor_level(chip, audio, val[0],
 631                                      chip->audio_monitor_active[audio]);
 632                 vx_set_monitor_level(chip, audio+1, val[1],
 633                                      chip->audio_monitor_active[audio+1]);
 634                 mutex_unlock(&chip->mixer_mutex);
 635                 return 1;
 636         }
 637         mutex_unlock(&chip->mixer_mutex);
 638         return 0;
 639 }
 640 
 641 #define vx_audio_sw_info        snd_ctl_boolean_stereo_info
 642 
 643 static int vx_audio_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 644 {
 645         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 646         int audio = kcontrol->private_value & 0xff;
 647 
 648         mutex_lock(&chip->mixer_mutex);
 649         ucontrol->value.integer.value[0] = chip->audio_active[audio];
 650         ucontrol->value.integer.value[1] = chip->audio_active[audio+1];
 651         mutex_unlock(&chip->mixer_mutex);
 652         return 0;
 653 }
 654 
 655 static int vx_audio_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 656 {
 657         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 658         int audio = kcontrol->private_value & 0xff;
 659 
 660         mutex_lock(&chip->mixer_mutex);
 661         if (ucontrol->value.integer.value[0] != chip->audio_active[audio] ||
 662             ucontrol->value.integer.value[1] != chip->audio_active[audio+1]) {
 663                 vx_set_audio_switch(chip, audio,
 664                                     !!ucontrol->value.integer.value[0]);
 665                 vx_set_audio_switch(chip, audio+1,
 666                                     !!ucontrol->value.integer.value[1]);
 667                 mutex_unlock(&chip->mixer_mutex);
 668                 return 1;
 669         }
 670         mutex_unlock(&chip->mixer_mutex);
 671         return 0;
 672 }
 673 
 674 static int vx_monitor_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 675 {
 676         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 677         int audio = kcontrol->private_value & 0xff;
 678 
 679         mutex_lock(&chip->mixer_mutex);
 680         ucontrol->value.integer.value[0] = chip->audio_monitor_active[audio];
 681         ucontrol->value.integer.value[1] = chip->audio_monitor_active[audio+1];
 682         mutex_unlock(&chip->mixer_mutex);
 683         return 0;
 684 }
 685 
 686 static int vx_monitor_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 687 {
 688         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 689         int audio = kcontrol->private_value & 0xff;
 690 
 691         mutex_lock(&chip->mixer_mutex);
 692         if (ucontrol->value.integer.value[0] != chip->audio_monitor_active[audio] ||
 693             ucontrol->value.integer.value[1] != chip->audio_monitor_active[audio+1]) {
 694                 vx_set_monitor_level(chip, audio, chip->audio_monitor[audio],
 695                                      !!ucontrol->value.integer.value[0]);
 696                 vx_set_monitor_level(chip, audio+1, chip->audio_monitor[audio+1],
 697                                      !!ucontrol->value.integer.value[1]);
 698                 mutex_unlock(&chip->mixer_mutex);
 699                 return 1;
 700         }
 701         mutex_unlock(&chip->mixer_mutex);
 702         return 0;
 703 }
 704 
 705 static const DECLARE_TLV_DB_SCALE(db_scale_audio_gain, -10975, 25, 0);
 706 
 707 static const struct snd_kcontrol_new vx_control_audio_gain = {
 708         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 709         .access =       (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 710                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 711         /* name will be filled later */
 712         .info =         vx_audio_gain_info,
 713         .get =          vx_audio_gain_get,
 714         .put =          vx_audio_gain_put,
 715         .tlv = { .p = db_scale_audio_gain },
 716 };
 717 static const struct snd_kcontrol_new vx_control_output_switch = {
 718         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 719         .name =         "PCM Playback Switch",
 720         .info =         vx_audio_sw_info,
 721         .get =          vx_audio_sw_get,
 722         .put =          vx_audio_sw_put
 723 };
 724 static const struct snd_kcontrol_new vx_control_monitor_gain = {
 725         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 726         .name =         "Monitoring Volume",
 727         .access =       (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 728                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 729         .info =         vx_audio_gain_info,     /* shared */
 730         .get =          vx_audio_monitor_get,
 731         .put =          vx_audio_monitor_put,
 732         .tlv = { .p = db_scale_audio_gain },
 733 };
 734 static const struct snd_kcontrol_new vx_control_monitor_switch = {
 735         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 736         .name =         "Monitoring Switch",
 737         .info =         vx_audio_sw_info,       /* shared */
 738         .get =          vx_monitor_sw_get,
 739         .put =          vx_monitor_sw_put
 740 };
 741 
 742 
 743 /*
 744  * IEC958 status bits
 745  */
 746 static int vx_iec958_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 747 {
 748         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 749         uinfo->count = 1;
 750         return 0;
 751 }
 752 
 753 static int vx_iec958_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 754 {
 755         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 756 
 757         mutex_lock(&chip->mixer_mutex);
 758         ucontrol->value.iec958.status[0] = (chip->uer_bits >> 0) & 0xff;
 759         ucontrol->value.iec958.status[1] = (chip->uer_bits >> 8) & 0xff;
 760         ucontrol->value.iec958.status[2] = (chip->uer_bits >> 16) & 0xff;
 761         ucontrol->value.iec958.status[3] = (chip->uer_bits >> 24) & 0xff;
 762         mutex_unlock(&chip->mixer_mutex);
 763         return 0;
 764 }
 765 
 766 static int vx_iec958_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 767 {
 768         ucontrol->value.iec958.status[0] = 0xff;
 769         ucontrol->value.iec958.status[1] = 0xff;
 770         ucontrol->value.iec958.status[2] = 0xff;
 771         ucontrol->value.iec958.status[3] = 0xff;
 772         return 0;
 773 }
 774 
 775 static int vx_iec958_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 776 {
 777         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 778         unsigned int val;
 779 
 780         val = (ucontrol->value.iec958.status[0] << 0) |
 781               (ucontrol->value.iec958.status[1] << 8) |
 782               (ucontrol->value.iec958.status[2] << 16) |
 783               (ucontrol->value.iec958.status[3] << 24);
 784         mutex_lock(&chip->mixer_mutex);
 785         if (chip->uer_bits != val) {
 786                 chip->uer_bits = val;
 787                 vx_set_iec958_status(chip, val);
 788                 mutex_unlock(&chip->mixer_mutex);
 789                 return 1;
 790         }
 791         mutex_unlock(&chip->mixer_mutex);
 792         return 0;
 793 }
 794 
 795 static const struct snd_kcontrol_new vx_control_iec958_mask = {
 796         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
 797         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
 798         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
 799         .info =         vx_iec958_info, /* shared */
 800         .get =          vx_iec958_mask_get,
 801 };
 802 
 803 static const struct snd_kcontrol_new vx_control_iec958 = {
 804         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
 805         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
 806         .info =         vx_iec958_info,
 807         .get =          vx_iec958_get,
 808         .put =          vx_iec958_put
 809 };
 810 
 811 
 812 /*
 813  * VU meter
 814  */
 815 
 816 #define METER_MAX       0xff
 817 #define METER_SHIFT     16
 818 
 819 static int vx_vu_meter_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 820 {
 821         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 822         uinfo->count = 2;
 823         uinfo->value.integer.min = 0;
 824         uinfo->value.integer.max = METER_MAX;
 825         return 0;
 826 }
 827 
 828 static int vx_vu_meter_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 829 {
 830         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 831         struct vx_vu_meter meter[2];
 832         int audio = kcontrol->private_value & 0xff;
 833         int capture = (kcontrol->private_value >> 8) & 1;
 834 
 835         vx_get_audio_vu_meter(chip, audio, capture, meter);
 836         ucontrol->value.integer.value[0] = meter[0].vu_level >> METER_SHIFT;
 837         ucontrol->value.integer.value[1] = meter[1].vu_level >> METER_SHIFT;
 838         return 0;
 839 }
 840 
 841 static int vx_peak_meter_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 842 {
 843         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 844         struct vx_vu_meter meter[2];
 845         int audio = kcontrol->private_value & 0xff;
 846         int capture = (kcontrol->private_value >> 8) & 1;
 847 
 848         vx_get_audio_vu_meter(chip, audio, capture, meter);
 849         ucontrol->value.integer.value[0] = meter[0].peak_level >> METER_SHIFT;
 850         ucontrol->value.integer.value[1] = meter[1].peak_level >> METER_SHIFT;
 851         return 0;
 852 }
 853 
 854 #define vx_saturation_info      snd_ctl_boolean_stereo_info
 855 
 856 static int vx_saturation_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 857 {
 858         struct vx_core *chip = snd_kcontrol_chip(kcontrol);
 859         struct vx_vu_meter meter[2];
 860         int audio = kcontrol->private_value & 0xff;
 861 
 862         vx_get_audio_vu_meter(chip, audio, 1, meter); /* capture only */
 863         ucontrol->value.integer.value[0] = meter[0].saturated;
 864         ucontrol->value.integer.value[1] = meter[1].saturated;
 865         return 0;
 866 }
 867 
 868 static const struct snd_kcontrol_new vx_control_vu_meter = {
 869         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 870         .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 871         /* name will be filled later */
 872         .info =         vx_vu_meter_info,
 873         .get =          vx_vu_meter_get,
 874 };
 875 
 876 static const struct snd_kcontrol_new vx_control_peak_meter = {
 877         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 878         .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 879         /* name will be filled later */
 880         .info =         vx_vu_meter_info,       /* shared */
 881         .get =          vx_peak_meter_get,
 882 };
 883 
 884 static const struct snd_kcontrol_new vx_control_saturation = {
 885         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 886         .name =         "Input Saturation",
 887         .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 888         .info =         vx_saturation_info,
 889         .get =          vx_saturation_get,
 890 };
 891 
 892 
 893 
 894 /*
 895  *
 896  */
 897 
 898 int snd_vx_mixer_new(struct vx_core *chip)
 899 {
 900         unsigned int i, c;
 901         int err;
 902         struct snd_kcontrol_new temp;
 903         struct snd_card *card = chip->card;
 904         char name[32];
 905 
 906         strcpy(card->mixername, card->driver);
 907 
 908         /* output level controls */
 909         for (i = 0; i < chip->hw->num_outs; i++) {
 910                 temp = vx_control_output_level;
 911                 temp.index = i;
 912                 temp.tlv.p = chip->hw->output_level_db_scale;
 913                 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 914                         return err;
 915         }
 916 
 917         /* PCM volumes, switches, monitoring */
 918         for (i = 0; i < chip->hw->num_outs; i++) {
 919                 int val = i * 2;
 920                 temp = vx_control_audio_gain;
 921                 temp.index = i;
 922                 temp.name = "PCM Playback Volume";
 923                 temp.private_value = val;
 924                 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 925                         return err;
 926                 temp = vx_control_output_switch;
 927                 temp.index = i;
 928                 temp.private_value = val;
 929                 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 930                         return err;
 931                 temp = vx_control_monitor_gain;
 932                 temp.index = i;
 933                 temp.private_value = val;
 934                 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 935                         return err;
 936                 temp = vx_control_monitor_switch;
 937                 temp.index = i;
 938                 temp.private_value = val;
 939                 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 940                         return err;
 941         }
 942         for (i = 0; i < chip->hw->num_outs; i++) {
 943                 temp = vx_control_audio_gain;
 944                 temp.index = i;
 945                 temp.name = "PCM Capture Volume";
 946                 temp.private_value = (i * 2) | (1 << 8);
 947                 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 948                         return err;
 949         }
 950 
 951         /* Audio source */
 952         if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_audio_src, chip))) < 0)
 953                 return err;
 954         /* clock mode */
 955         if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_clock_mode, chip))) < 0)
 956                 return err;
 957         /* IEC958 controls */
 958         if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958_mask, chip))) < 0)
 959                 return err;
 960         if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958, chip))) < 0)
 961                 return err;
 962         /* VU, peak, saturation meters */
 963         for (c = 0; c < 2; c++) {
 964                 static char *dir[2] = { "Output", "Input" };
 965                 for (i = 0; i < chip->hw->num_ins; i++) {
 966                         int val = (i * 2) | (c << 8);
 967                         if (c == 1) {
 968                                 temp = vx_control_saturation;
 969                                 temp.index = i;
 970                                 temp.private_value = val;
 971                                 if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 972                                         return err;
 973                         }
 974                         sprintf(name, "%s VU Meter", dir[c]);
 975                         temp = vx_control_vu_meter;
 976                         temp.index = i;
 977                         temp.name = name;
 978                         temp.private_value = val;
 979                         if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 980                                 return err;
 981                         sprintf(name, "%s Peak Meter", dir[c]);
 982                         temp = vx_control_peak_meter;
 983                         temp.index = i;
 984                         temp.name = name;
 985                         temp.private_value = val;
 986                         if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
 987                                 return err;
 988                 }
 989         }
 990         vx_reset_audio_levels(chip);
 991         return 0;
 992 }
/* [<][>][^][v][top][bottom][index][help] */
root/sound/drivers/vx/vx_mixer.c

DEFINITIONS
