git.oblomov.eu Git - linux-2.6/blob - sound/pci/pcxhr/pcxhr_mixer.c

   1 #define __NO_VERSION__
   2 /*
   3  * Driver for Digigram pcxhr compatible soundcards
   4  *
   5  * mixer callbacks
   6  *
   7  * Copyright (c) 2004 by Digigram <alsa@digigram.com>
   8  *
   9  *   This program is free software; you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License as published by
  11  *   the Free Software Foundation; either version 2 of the License, or
  12  *   (at your option) any later version.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program; if not, write to the Free Software
  21  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22  */
  23
  24 #include <linux/time.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/init.h>
  27 #include <linux/mutex.h>
  28 #include <sound/core.h>
  29 #include "pcxhr.h"
  30 #include "pcxhr_hwdep.h"
  31 #include "pcxhr_core.h"
  32 #include <sound/control.h>
  33 #include <sound/tlv.h>
  34 #include <sound/asoundef.h>
  35 #include "pcxhr_mixer.h"
  36
  37
  38 #define PCXHR_ANALOG_CAPTURE_LEVEL_MIN   0      /* -96.0 dB */
  39 #define PCXHR_ANALOG_CAPTURE_LEVEL_MAX   255    /* +31.5 dB */
  40 #define PCXHR_ANALOG_CAPTURE_ZERO_LEVEL  224    /* +16.0 dB ( +31.5 dB - fix level +15.5 dB ) */
  41
  42 #define PCXHR_ANALOG_PLAYBACK_LEVEL_MIN  0      /* -128.0 dB */
  43 #define PCXHR_ANALOG_PLAYBACK_LEVEL_MAX  128    /*    0.0 dB */
  44 #define PCXHR_ANALOG_PLAYBACK_ZERO_LEVEL 104    /*  -24.0 dB ( 0.0 dB - fix level +24.0 dB ) */
  45
  46 static const DECLARE_TLV_DB_SCALE(db_scale_analog_capture, -9600, 50, 3150);
  47 static const DECLARE_TLV_DB_SCALE(db_scale_analog_playback, -10400, 100, 2400);
  48
  49 static int pcxhr_update_analog_audio_level(struct snd_pcxhr *chip, int is_capture, int channel)
  50 {
  51         int err, vol;
  52         struct pcxhr_rmh rmh;
  53
  54         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
  55         if (is_capture) {
  56                 rmh.cmd[0] |= IO_NUM_REG_IN_ANA_LEVEL;
  57                 rmh.cmd[2] = chip->analog_capture_volume[channel];
  58         } else {
  59                 rmh.cmd[0] |= IO_NUM_REG_OUT_ANA_LEVEL;
  60                 if (chip->analog_playback_active[channel])
  61                         vol = chip->analog_playback_volume[channel];
  62                 else
  63                         vol = PCXHR_ANALOG_PLAYBACK_LEVEL_MIN;
  64                 rmh.cmd[2] = PCXHR_ANALOG_PLAYBACK_LEVEL_MAX - vol;     /* playback analog levels are inversed */
  65         }
  66         rmh.cmd[1]  = 1 << ((2 * chip->chip_idx) + channel);    /* audio mask */
  67         rmh.cmd_len = 3;
  68         err = pcxhr_send_msg(chip->mgr, &rmh);
  69         if (err < 0) {
  70                 snd_printk(KERN_DEBUG "error update_analog_audio_level card(%d) "
  71                            "is_capture(%d) err(%x)\n", chip->chip_idx, is_capture, err);
  72                 return -EINVAL;
  73         }
  74         return 0;
  75 }
  76
  77 /*
  78  * analog level control
  79  */
  80 static int pcxhr_analog_vol_info(struct snd_kcontrol *kcontrol,
  81                                  struct snd_ctl_elem_info *uinfo)
  82 {
  83         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
  84         uinfo->count = 2;
  85         if (kcontrol->private_value == 0) {     /* playback */
  86                 uinfo->value.integer.min = PCXHR_ANALOG_PLAYBACK_LEVEL_MIN;     /* -128 dB */
  87                 uinfo->value.integer.max = PCXHR_ANALOG_PLAYBACK_LEVEL_MAX;     /* 0 dB */
  88         } else {                                /* capture */
  89                 uinfo->value.integer.min = PCXHR_ANALOG_CAPTURE_LEVEL_MIN;      /* -96 dB */
  90                 uinfo->value.integer.max = PCXHR_ANALOG_CAPTURE_LEVEL_MAX;      /* 31.5 dB */
  91         }
  92         return 0;
  93 }
  94
  95 static int pcxhr_analog_vol_get(struct snd_kcontrol *kcontrol,
  96                                 struct snd_ctl_elem_value *ucontrol)
  97 {
  98         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
  99         mutex_lock(&chip->mgr->mixer_mutex);
 100         if (kcontrol->private_value == 0) {     /* playback */
 101                 ucontrol->value.integer.value[0] = chip->analog_playback_volume[0];
 102                 ucontrol->value.integer.value[1] = chip->analog_playback_volume[1];
 103         } else {                                /* capture */
 104                 ucontrol->value.integer.value[0] = chip->analog_capture_volume[0];
 105                 ucontrol->value.integer.value[1] = chip->analog_capture_volume[1];
 106         }
 107         mutex_unlock(&chip->mgr->mixer_mutex);
 108         return 0;
 109 }
 110
 111 static int pcxhr_analog_vol_put(struct snd_kcontrol *kcontrol,
 112                                 struct snd_ctl_elem_value *ucontrol)
 113 {
 114         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 115         int changed = 0;
 116         int is_capture, i;
 117
 118         mutex_lock(&chip->mgr->mixer_mutex);
 119         is_capture = (kcontrol->private_value != 0);
 120         for (i = 0; i < 2; i++) {
 121                 int  new_volume = ucontrol->value.integer.value[i];
 122                 int *stored_volume = is_capture ?
 123                         &chip->analog_capture_volume[i] :
 124                         &chip->analog_playback_volume[i];
 125                 if (is_capture) {
 126                         if (new_volume < PCXHR_ANALOG_CAPTURE_LEVEL_MIN ||
 127                             new_volume > PCXHR_ANALOG_CAPTURE_LEVEL_MAX)
 128                                 continue;
 129                 } else {
 130                         if (new_volume < PCXHR_ANALOG_PLAYBACK_LEVEL_MIN ||
 131                             new_volume > PCXHR_ANALOG_PLAYBACK_LEVEL_MAX)
 132                                 continue;
 133                 }
 134                 if (*stored_volume != new_volume) {
 135                         *stored_volume = new_volume;
 136                         changed = 1;
 137                         pcxhr_update_analog_audio_level(chip, is_capture, i);
 138                 }
 139         }
 140         mutex_unlock(&chip->mgr->mixer_mutex);
 141         return changed;
 142 }
 143
 144 static struct snd_kcontrol_new pcxhr_control_analog_level = {
 145         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 146         .access =       (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 147                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 148         /* name will be filled later */
 149         .info =         pcxhr_analog_vol_info,
 150         .get =          pcxhr_analog_vol_get,
 151         .put =          pcxhr_analog_vol_put,
 152         /* tlv will be filled later */
 153 };
 154
 155 /* shared */
 156 #define pcxhr_sw_info           snd_ctl_boolean_stereo_info
 157
 158 static int pcxhr_audio_sw_get(struct snd_kcontrol *kcontrol,
 159                               struct snd_ctl_elem_value *ucontrol)
 160 {
 161         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 162
 163         mutex_lock(&chip->mgr->mixer_mutex);
 164         ucontrol->value.integer.value[0] = chip->analog_playback_active[0];
 165         ucontrol->value.integer.value[1] = chip->analog_playback_active[1];
 166         mutex_unlock(&chip->mgr->mixer_mutex);
 167         return 0;
 168 }
 169
 170 static int pcxhr_audio_sw_put(struct snd_kcontrol *kcontrol,
 171                               struct snd_ctl_elem_value *ucontrol)
 172 {
 173         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 174         int i, changed = 0;
 175         mutex_lock(&chip->mgr->mixer_mutex);
 176         for(i = 0; i < 2; i++) {
 177                 if (chip->analog_playback_active[i] !=
 178                     ucontrol->value.integer.value[i]) {
 179                         chip->analog_playback_active[i] =
 180                                 !!ucontrol->value.integer.value[i];
 181                         changed = 1;
 182                         /* update playback levels */
 183                         pcxhr_update_analog_audio_level(chip, 0, i);
 184                 }
 185         }
 186         mutex_unlock(&chip->mgr->mixer_mutex);
 187         return changed;
 188 }
 189
 190 static struct snd_kcontrol_new pcxhr_control_output_switch = {
 191         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 192         .name =         "Master Playback Switch",
 193         .info =         pcxhr_sw_info,          /* shared */
 194         .get =          pcxhr_audio_sw_get,
 195         .put =          pcxhr_audio_sw_put
 196 };
 197
 198
 199 #define PCXHR_DIGITAL_LEVEL_MIN         0x000   /* -110 dB */
 200 #define PCXHR_DIGITAL_LEVEL_MAX         0x1ff   /* +18 dB */
 201 #define PCXHR_DIGITAL_ZERO_LEVEL        0x1b7   /*  0 dB */
 202
 203 static const DECLARE_TLV_DB_SCALE(db_scale_digital, -10975, 25, 1800);
 204
 205 #define MORE_THAN_ONE_STREAM_LEVEL      0x000001
 206 #define VALID_STREAM_PAN_LEVEL_MASK     0x800000
 207 #define VALID_STREAM_LEVEL_MASK         0x400000
 208 #define VALID_STREAM_LEVEL_1_MASK       0x200000
 209 #define VALID_STREAM_LEVEL_2_MASK       0x100000
 210
 211 static int pcxhr_update_playback_stream_level(struct snd_pcxhr* chip, int idx)
 212 {
 213         int err;
 214         struct pcxhr_rmh rmh;
 215         struct pcxhr_pipe *pipe = &chip->playback_pipe;
 216         int left, right;
 217
 218         if (chip->digital_playback_active[idx][0])
 219                 left = chip->digital_playback_volume[idx][0];
 220         else
 221                 left = PCXHR_DIGITAL_LEVEL_MIN;
 222         if (chip->digital_playback_active[idx][1])
 223                 right = chip->digital_playback_volume[idx][1];
 224         else
 225                 right = PCXHR_DIGITAL_LEVEL_MIN;
 226
 227         pcxhr_init_rmh(&rmh, CMD_STREAM_OUT_LEVEL_ADJUST);
 228         /* add pipe and stream mask */
 229         pcxhr_set_pipe_cmd_params(&rmh, 0, pipe->first_audio, 0, 1<<idx);
 230         /* volume left->left / right->right panoramic level */
 231         rmh.cmd[0] |= MORE_THAN_ONE_STREAM_LEVEL;
 232         rmh.cmd[2]  = VALID_STREAM_PAN_LEVEL_MASK | VALID_STREAM_LEVEL_1_MASK;
 233         rmh.cmd[2] |= (left << 10);
 234         rmh.cmd[3]  = VALID_STREAM_PAN_LEVEL_MASK | VALID_STREAM_LEVEL_2_MASK;
 235         rmh.cmd[3] |= right;
 236         rmh.cmd_len = 4;
 237
 238         err = pcxhr_send_msg(chip->mgr, &rmh);
 239         if (err < 0) {
 240                 snd_printk(KERN_DEBUG "error update_playback_stream_level "
 241                            "card(%d) err(%x)\n", chip->chip_idx, err);
 242                 return -EINVAL;
 243         }
 244         return 0;
 245 }
 246
 247 #define AUDIO_IO_HAS_MUTE_LEVEL         0x400000
 248 #define AUDIO_IO_HAS_MUTE_MONITOR_1     0x200000
 249 #define VALID_AUDIO_IO_DIGITAL_LEVEL    0x000001
 250 #define VALID_AUDIO_IO_MONITOR_LEVEL    0x000002
 251 #define VALID_AUDIO_IO_MUTE_LEVEL       0x000004
 252 #define VALID_AUDIO_IO_MUTE_MONITOR_1   0x000008
 253
 254 static int pcxhr_update_audio_pipe_level(struct snd_pcxhr* chip, int capture, int channel)
 255 {
 256         int err;
 257         struct pcxhr_rmh rmh;
 258         struct pcxhr_pipe *pipe;
 259
 260         if (capture)
 261                 pipe = &chip->capture_pipe[0];
 262         else
 263                 pipe = &chip->playback_pipe;
 264
 265         pcxhr_init_rmh(&rmh, CMD_AUDIO_LEVEL_ADJUST);
 266         /* add channel mask */
 267         pcxhr_set_pipe_cmd_params(&rmh, capture, 0, 0, 1 << (channel + pipe->first_audio));
 268         /* TODO : if mask (3 << pipe->first_audio) is used, left and right channel
 269          * will be programmed to the same params
 270          */
 271         if (capture) {
 272                 rmh.cmd[0] |= VALID_AUDIO_IO_DIGITAL_LEVEL;
 273                 /* VALID_AUDIO_IO_MUTE_LEVEL not yet handled (capture pipe level) */
 274                 rmh.cmd[2] = chip->digital_capture_volume[channel];
 275         } else {
 276                 rmh.cmd[0] |= VALID_AUDIO_IO_MONITOR_LEVEL | VALID_AUDIO_IO_MUTE_MONITOR_1;
 277                 /* VALID_AUDIO_IO_DIGITAL_LEVEL and VALID_AUDIO_IO_MUTE_LEVEL not yet
 278                  * handled (playback pipe level)
 279                  */
 280                 rmh.cmd[2] = chip->monitoring_volume[channel] << 10;
 281                 if (chip->monitoring_active[channel] == 0)
 282                         rmh.cmd[2] |= AUDIO_IO_HAS_MUTE_MONITOR_1;
 283         }
 284         rmh.cmd_len = 3;
 285
 286         err = pcxhr_send_msg(chip->mgr, &rmh);
 287         if(err<0) {
 288                 snd_printk(KERN_DEBUG "error update_audio_level card(%d) err(%x)\n",
 289                            chip->chip_idx, err);
 290                 return -EINVAL;
 291         }
 292         return 0;
 293 }
 294
 295
 296 /* shared */
 297 static int pcxhr_digital_vol_info(struct snd_kcontrol *kcontrol,
 298                                   struct snd_ctl_elem_info *uinfo)
 299 {
 300         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 301         uinfo->count = 2;
 302         uinfo->value.integer.min = PCXHR_DIGITAL_LEVEL_MIN;   /* -109.5 dB */
 303         uinfo->value.integer.max = PCXHR_DIGITAL_LEVEL_MAX;   /*   18.0 dB */
 304         return 0;
 305 }
 306
 307
 308 static int pcxhr_pcm_vol_get(struct snd_kcontrol *kcontrol,
 309                              struct snd_ctl_elem_value *ucontrol)
 310 {
 311         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 312         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);         /* index */
 313         int *stored_volume;
 314         int is_capture = kcontrol->private_value;
 315
 316         mutex_lock(&chip->mgr->mixer_mutex);
 317         if (is_capture)
 318                 stored_volume = chip->digital_capture_volume;           /* digital capture */
 319         else
 320                 stored_volume = chip->digital_playback_volume[idx];     /* digital playback */
 321         ucontrol->value.integer.value[0] = stored_volume[0];
 322         ucontrol->value.integer.value[1] = stored_volume[1];
 323         mutex_unlock(&chip->mgr->mixer_mutex);
 324         return 0;
 325 }
 326
 327 static int pcxhr_pcm_vol_put(struct snd_kcontrol *kcontrol,
 328                              struct snd_ctl_elem_value *ucontrol)
 329 {
 330         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 331         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);         /* index */
 332         int changed = 0;
 333         int is_capture = kcontrol->private_value;
 334         int *stored_volume;
 335         int i;
 336
 337         mutex_lock(&chip->mgr->mixer_mutex);
 338         if (is_capture)         /* digital capture */
 339                 stored_volume = chip->digital_capture_volume;
 340         else                    /* digital playback */
 341                 stored_volume = chip->digital_playback_volume[idx];
 342         for (i = 0; i < 2; i++) {
 343                 int vol = ucontrol->value.integer.value[i];
 344                 if (vol < PCXHR_DIGITAL_LEVEL_MIN ||
 345                     vol > PCXHR_DIGITAL_LEVEL_MAX)
 346                         continue;
 347                 if (stored_volume[i] != vol) {
 348                         stored_volume[i] = vol;
 349                         changed = 1;
 350                         if (is_capture) /* update capture volume */
 351                                 pcxhr_update_audio_pipe_level(chip, 1, i);
 352                 }
 353         }
 354         if (!is_capture && changed)     /* update playback volume */
 355                 pcxhr_update_playback_stream_level(chip, idx);
 356         mutex_unlock(&chip->mgr->mixer_mutex);
 357         return changed;
 358 }
 359
 360 static struct snd_kcontrol_new snd_pcxhr_pcm_vol =
 361 {
 362         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 363         .access =       (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 364                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 365         /* name will be filled later */
 366         /* count will be filled later */
 367         .info =         pcxhr_digital_vol_info,         /* shared */
 368         .get =          pcxhr_pcm_vol_get,
 369         .put =          pcxhr_pcm_vol_put,
 370         .tlv = { .p = db_scale_digital },
 371 };
 372
 373
 374 static int pcxhr_pcm_sw_get(struct snd_kcontrol *kcontrol,
 375                             struct snd_ctl_elem_value *ucontrol)
 376 {
 377         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 378         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
 379
 380         mutex_lock(&chip->mgr->mixer_mutex);
 381         ucontrol->value.integer.value[0] = chip->digital_playback_active[idx][0];
 382         ucontrol->value.integer.value[1] = chip->digital_playback_active[idx][1];
 383         mutex_unlock(&chip->mgr->mixer_mutex);
 384         return 0;
 385 }
 386
 387 static int pcxhr_pcm_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 388 {
 389         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 390         int changed = 0;
 391         int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
 392         int i, j;
 393
 394         mutex_lock(&chip->mgr->mixer_mutex);
 395         j = idx;
 396         for (i = 0; i < 2; i++) {
 397                 if (chip->digital_playback_active[j][i] !=
 398                     ucontrol->value.integer.value[i]) {
 399                         chip->digital_playback_active[j][i] =
 400                                 !!ucontrol->value.integer.value[i];
 401                         changed = 1;
 402                 }
 403         }
 404         if (changed)
 405                 pcxhr_update_playback_stream_level(chip, idx);
 406         mutex_unlock(&chip->mgr->mixer_mutex);
 407         return changed;
 408 }
 409
 410 static struct snd_kcontrol_new pcxhr_control_pcm_switch = {
 411         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 412         .name =         "PCM Playback Switch",
 413         .count =        PCXHR_PLAYBACK_STREAMS,
 414         .info =         pcxhr_sw_info,          /* shared */
 415         .get =          pcxhr_pcm_sw_get,
 416         .put =          pcxhr_pcm_sw_put
 417 };
 418
 419
 420 /*
 421  * monitoring level control
 422  */
 423
 424 static int pcxhr_monitor_vol_get(struct snd_kcontrol *kcontrol,
 425                                  struct snd_ctl_elem_value *ucontrol)
 426 {
 427         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 428         mutex_lock(&chip->mgr->mixer_mutex);
 429         ucontrol->value.integer.value[0] = chip->monitoring_volume[0];
 430         ucontrol->value.integer.value[1] = chip->monitoring_volume[1];
 431         mutex_unlock(&chip->mgr->mixer_mutex);
 432         return 0;
 433 }
 434
 435 static int pcxhr_monitor_vol_put(struct snd_kcontrol *kcontrol,
 436                                  struct snd_ctl_elem_value *ucontrol)
 437 {
 438         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 439         int changed = 0;
 440         int i;
 441
 442         mutex_lock(&chip->mgr->mixer_mutex);
 443         for (i = 0; i < 2; i++) {
 444                 if (chip->monitoring_volume[i] !=
 445                     ucontrol->value.integer.value[i]) {
 446                         chip->monitoring_volume[i] =
 447                                 !!ucontrol->value.integer.value[i];
 448                         if(chip->monitoring_active[i])
 449                                 /* update monitoring volume and mute */
 450                                 /* do only when monitoring is unmuted */
 451                                 pcxhr_update_audio_pipe_level(chip, 0, i);
 452                         changed = 1;
 453                 }
 454         }
 455         mutex_unlock(&chip->mgr->mixer_mutex);
 456         return changed;
 457 }
 458
 459 static struct snd_kcontrol_new pcxhr_control_monitor_vol = {
 460         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 461         .access =       (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 462                          SNDRV_CTL_ELEM_ACCESS_TLV_READ),
 463         .name =         "Monitoring Volume",
 464         .info =         pcxhr_digital_vol_info,         /* shared */
 465         .get =          pcxhr_monitor_vol_get,
 466         .put =          pcxhr_monitor_vol_put,
 467         .tlv = { .p = db_scale_digital },
 468 };
 469
 470 /*
 471  * monitoring switch control
 472  */
 473
 474 static int pcxhr_monitor_sw_get(struct snd_kcontrol *kcontrol,
 475                                 struct snd_ctl_elem_value *ucontrol)
 476 {
 477         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 478         mutex_lock(&chip->mgr->mixer_mutex);
 479         ucontrol->value.integer.value[0] = chip->monitoring_active[0];
 480         ucontrol->value.integer.value[1] = chip->monitoring_active[1];
 481         mutex_unlock(&chip->mgr->mixer_mutex);
 482         return 0;
 483 }
 484
 485 static int pcxhr_monitor_sw_put(struct snd_kcontrol *kcontrol,
 486                                 struct snd_ctl_elem_value *ucontrol)
 487 {
 488         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 489         int changed = 0;
 490         int i;
 491
 492         mutex_lock(&chip->mgr->mixer_mutex);
 493         for (i = 0; i < 2; i++) {
 494                 if (chip->monitoring_active[i] !=
 495                     ucontrol->value.integer.value[i]) {
 496                         chip->monitoring_active[i] =
 497                                 !!ucontrol->value.integer.value[i];
 498                         changed |= (1<<i); /* mask 0x01 and 0x02 */
 499                 }
 500         }
 501         if (changed & 0x01)
 502                 /* update left monitoring volume and mute */
 503                 pcxhr_update_audio_pipe_level(chip, 0, 0);
 504         if (changed & 0x02)
 505                 /* update right monitoring volume and mute */
 506                 pcxhr_update_audio_pipe_level(chip, 0, 1);
 507
 508         mutex_unlock(&chip->mgr->mixer_mutex);
 509         return (changed != 0);
 510 }
 511
 512 static struct snd_kcontrol_new pcxhr_control_monitor_sw = {
 513         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 514         .name =         "Monitoring Switch",
 515         .info =         pcxhr_sw_info,          /* shared */
 516         .get =          pcxhr_monitor_sw_get,
 517         .put =          pcxhr_monitor_sw_put
 518 };
 519
 520
 521
 522 /*
 523  * audio source select
 524  */
 525 #define PCXHR_SOURCE_AUDIO01_UER        0x000100
 526 #define PCXHR_SOURCE_AUDIO01_SYNC       0x000200
 527 #define PCXHR_SOURCE_AUDIO23_UER        0x000400
 528 #define PCXHR_SOURCE_AUDIO45_UER        0x001000
 529 #define PCXHR_SOURCE_AUDIO67_UER        0x040000
 530
 531 static int pcxhr_set_audio_source(struct snd_pcxhr* chip)
 532 {
 533         struct pcxhr_rmh rmh;
 534         unsigned int mask, reg;
 535         unsigned int codec;
 536         int err, use_src, changed;
 537
 538         switch (chip->chip_idx) {
 539         case 0 : mask = PCXHR_SOURCE_AUDIO01_UER; codec = CS8420_01_CS; break;
 540         case 1 : mask = PCXHR_SOURCE_AUDIO23_UER; codec = CS8420_23_CS; break;
 541         case 2 : mask = PCXHR_SOURCE_AUDIO45_UER; codec = CS8420_45_CS; break;
 542         case 3 : mask = PCXHR_SOURCE_AUDIO67_UER; codec = CS8420_67_CS; break;
 543         default: return -EINVAL;
 544         }
 545         reg = 0;        /* audio source from analog plug */
 546         use_src = 0;    /* do not activate codec SRC */
 547
 548         if (chip->audio_capture_source != 0) {
 549                 reg = mask;     /* audio source from digital plug */
 550                 if (chip->audio_capture_source == 2)
 551                         use_src = 1;
 552         }
 553         /* set the input source */
 554         pcxhr_write_io_num_reg_cont(chip->mgr, mask, reg, &changed);
 555         /* resync them (otherwise channel inversion possible) */
 556         if (changed) {
 557                 pcxhr_init_rmh(&rmh, CMD_RESYNC_AUDIO_INPUTS);
 558                 rmh.cmd[0] |= (1 << chip->chip_idx);
 559                 err = pcxhr_send_msg(chip->mgr, &rmh);
 560                 if (err)
 561                         return err;
 562         }
 563         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);      /* set codec SRC on off */
 564         rmh.cmd_len = 3;
 565         rmh.cmd[0] |= IO_NUM_UER_CHIP_REG;
 566         rmh.cmd[1] = codec;
 567         rmh.cmd[2] = (CS8420_DATA_FLOW_CTL & CHIP_SIG_AND_MAP_SPI) | (use_src ? 0x41 : 0x54);
 568         err = pcxhr_send_msg(chip->mgr, &rmh);
 569         if(err)
 570                 return err;
 571         rmh.cmd[2] = (CS8420_CLOCK_SRC_CTL & CHIP_SIG_AND_MAP_SPI) | (use_src ? 0x41 : 0x49);
 572         err = pcxhr_send_msg(chip->mgr, &rmh);
 573         return err;
 574 }
 575
 576 static int pcxhr_audio_src_info(struct snd_kcontrol *kcontrol,
 577                                 struct snd_ctl_elem_info *uinfo)
 578 {
 579         static char *texts[3] = {"Analog", "Digital", "Digi+SRC"};
 580
 581         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 582         uinfo->count = 1;
 583         uinfo->value.enumerated.items = 3;
 584         if (uinfo->value.enumerated.item > 2)
 585                 uinfo->value.enumerated.item = 2;
 586         strcpy(uinfo->value.enumerated.name,
 587                 texts[uinfo->value.enumerated.item]);
 588         return 0;
 589 }
 590
 591 static int pcxhr_audio_src_get(struct snd_kcontrol *kcontrol,
 592                                struct snd_ctl_elem_value *ucontrol)
 593 {
 594         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 595         ucontrol->value.enumerated.item[0] = chip->audio_capture_source;
 596         return 0;
 597 }
 598
 599 static int pcxhr_audio_src_put(struct snd_kcontrol *kcontrol,
 600                                struct snd_ctl_elem_value *ucontrol)
 601 {
 602         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 603         int ret = 0;
 604
 605         if (ucontrol->value.enumerated.item[0] >= 3)
 606                 return -EINVAL;
 607         mutex_lock(&chip->mgr->mixer_mutex);
 608         if (chip->audio_capture_source != ucontrol->value.enumerated.item[0]) {
 609                 chip->audio_capture_source = ucontrol->value.enumerated.item[0];
 610                 pcxhr_set_audio_source(chip);
 611                 ret = 1;
 612         }
 613         mutex_unlock(&chip->mgr->mixer_mutex);
 614         return ret;
 615 }
 616
 617 static struct snd_kcontrol_new pcxhr_control_audio_src = {
 618         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 619         .name =         "Capture Source",
 620         .info =         pcxhr_audio_src_info,
 621         .get =          pcxhr_audio_src_get,
 622         .put =          pcxhr_audio_src_put,
 623 };
 624
 625
 626 /*
 627  * clock type selection
 628  * enum pcxhr_clock_type {
 629  *              PCXHR_CLOCK_TYPE_INTERNAL = 0,
 630  *              PCXHR_CLOCK_TYPE_WORD_CLOCK,
 631  *              PCXHR_CLOCK_TYPE_AES_SYNC,
 632  *              PCXHR_CLOCK_TYPE_AES_1,
 633  *              PCXHR_CLOCK_TYPE_AES_2,
 634  *              PCXHR_CLOCK_TYPE_AES_3,
 635  *              PCXHR_CLOCK_TYPE_AES_4,
 636  *      };
 637  */
 638
 639 static int pcxhr_clock_type_info(struct snd_kcontrol *kcontrol,
 640                                  struct snd_ctl_elem_info *uinfo)
 641 {
 642         static char *texts[7] = {
 643                 "Internal", "WordClock", "AES Sync", "AES 1", "AES 2", "AES 3", "AES 4"
 644         };
 645         struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
 646         int clock_items = 3 + mgr->capture_chips;
 647
 648         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 649         uinfo->count = 1;
 650         uinfo->value.enumerated.items = clock_items;
 651         if (uinfo->value.enumerated.item >= clock_items)
 652                 uinfo->value.enumerated.item = clock_items-1;
 653         strcpy(uinfo->value.enumerated.name,
 654                 texts[uinfo->value.enumerated.item]);
 655         return 0;
 656 }
 657
 658 static int pcxhr_clock_type_get(struct snd_kcontrol *kcontrol,
 659                                 struct snd_ctl_elem_value *ucontrol)
 660 {
 661         struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
 662         ucontrol->value.enumerated.item[0] = mgr->use_clock_type;
 663         return 0;
 664 }
 665
 666 static int pcxhr_clock_type_put(struct snd_kcontrol *kcontrol,
 667                                 struct snd_ctl_elem_value *ucontrol)
 668 {
 669         struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
 670         unsigned int clock_items = 3 + mgr->capture_chips;
 671         int rate, ret = 0;
 672
 673         if (ucontrol->value.enumerated.item[0] >= clock_items)
 674                 return -EINVAL;
 675         mutex_lock(&mgr->mixer_mutex);
 676         if (mgr->use_clock_type != ucontrol->value.enumerated.item[0]) {
 677                 mutex_lock(&mgr->setup_mutex);
 678                 mgr->use_clock_type = ucontrol->value.enumerated.item[0];
 679                 if (mgr->use_clock_type)
 680                         pcxhr_get_external_clock(mgr, mgr->use_clock_type, &rate);
 681                 else
 682                         rate = mgr->sample_rate;
 683                 if (rate) {
 684                         pcxhr_set_clock(mgr, rate);
 685                         if (mgr->sample_rate)
 686                                 mgr->sample_rate = rate;
 687                 }
 688                 mutex_unlock(&mgr->setup_mutex);
 689                 ret = 1;        /* return 1 even if the set was not done. ok ? */
 690         }
 691         mutex_unlock(&mgr->mixer_mutex);
 692         return ret;
 693 }
 694
 695 static struct snd_kcontrol_new pcxhr_control_clock_type = {
 696         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
 697         .name =         "Clock Mode",
 698         .info =         pcxhr_clock_type_info,
 699         .get =          pcxhr_clock_type_get,
 700         .put =          pcxhr_clock_type_put,
 701 };
 702
 703 /*
 704  * clock rate control
 705  * specific control that scans the sample rates on the external plugs
 706  */
 707 static int pcxhr_clock_rate_info(struct snd_kcontrol *kcontrol,
 708                                  struct snd_ctl_elem_info *uinfo)
 709 {
 710         struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
 711         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 712         uinfo->count = 3 + mgr->capture_chips;
 713         uinfo->value.integer.min = 0;           /* clock not present */
 714         uinfo->value.integer.max = 192000;      /* max sample rate 192 kHz */
 715         return 0;
 716 }
 717
 718 static int pcxhr_clock_rate_get(struct snd_kcontrol *kcontrol,
 719                                 struct snd_ctl_elem_value *ucontrol)
 720 {
 721         struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
 722         int i, err, rate;
 723
 724         mutex_lock(&mgr->mixer_mutex);
 725         for(i = 0; i < 3 + mgr->capture_chips; i++) {
 726                 if (i == PCXHR_CLOCK_TYPE_INTERNAL)
 727                         rate = mgr->sample_rate_real;
 728                 else {
 729                         err = pcxhr_get_external_clock(mgr, i, &rate);
 730                         if (err)
 731                                 break;
 732                 }
 733                 ucontrol->value.integer.value[i] = rate;
 734         }
 735         mutex_unlock(&mgr->mixer_mutex);
 736         return 0;
 737 }
 738
 739 static struct snd_kcontrol_new pcxhr_control_clock_rate = {
 740         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
 741         .iface =        SNDRV_CTL_ELEM_IFACE_CARD,
 742         .name =         "Clock Rates",
 743         .info =         pcxhr_clock_rate_info,
 744         .get =          pcxhr_clock_rate_get,
 745 };
 746
 747 /*
 748  * IEC958 status bits
 749  */
 750 static int pcxhr_iec958_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
 751 {
 752         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 753         uinfo->count = 1;
 754         return 0;
 755 }
 756
 757 static int pcxhr_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx, unsigned char* aes_bits)
 758 {
 759         int i, err;
 760         unsigned char temp;
 761         struct pcxhr_rmh rmh;
 762
 763         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
 764         rmh.cmd[0] |= IO_NUM_UER_CHIP_REG;
 765         switch (chip->chip_idx) {
 766         case 0: rmh.cmd[1] = CS8420_01_CS; break;       /* use CS8416_01_CS for AES SYNC plug */
 767         case 1: rmh.cmd[1] = CS8420_23_CS; break;
 768         case 2: rmh.cmd[1] = CS8420_45_CS; break;
 769         case 3: rmh.cmd[1] = CS8420_67_CS; break;
 770         default: return -EINVAL;
 771         }
 772         switch (aes_idx) {
 773         case 0: rmh.cmd[2] = CS8420_CSB0; break;        /* use CS8416_CSBx for AES SYNC plug */
 774         case 1: rmh.cmd[2] = CS8420_CSB1; break;
 775         case 2: rmh.cmd[2] = CS8420_CSB2; break;
 776         case 3: rmh.cmd[2] = CS8420_CSB3; break;
 777         case 4: rmh.cmd[2] = CS8420_CSB4; break;
 778         default: return -EINVAL;
 779         }
 780         rmh.cmd[1] &= 0x0fffff;                 /* size and code the chip id for the fpga */
 781         rmh.cmd[2] &= CHIP_SIG_AND_MAP_SPI;     /* chip signature + map for spi read */
 782         rmh.cmd_len = 3;
 783         err = pcxhr_send_msg(chip->mgr, &rmh);
 784         if (err)
 785                 return err;
 786         temp = 0;
 787         for (i = 0; i < 8; i++) {
 788                 /* attention : reversed bit order (not with CS8416_01_CS) */
 789                 temp <<= 1;
 790                 if (rmh.stat[1] & (1 << i))
 791                         temp |= 1;
 792         }
 793         snd_printdd("read iec958 AES %d byte %d = 0x%x\n", chip->chip_idx, aes_idx, temp);
 794         *aes_bits = temp;
 795         return 0;
 796 }
 797
 798 static int pcxhr_iec958_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
 799 {
 800         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 801         unsigned char aes_bits;
 802         int i, err;
 803
 804         mutex_lock(&chip->mgr->mixer_mutex);
 805         for(i = 0; i < 5; i++) {
 806                 if (kcontrol->private_value == 0)       /* playback */
 807                         aes_bits = chip->aes_bits[i];
 808                 else {                          /* capture */
 809                         err = pcxhr_iec958_capture_byte(chip, i, &aes_bits);
 810                         if (err)
 811                                 break;
 812                 }
 813                 ucontrol->value.iec958.status[i] = aes_bits;
 814         }
 815         mutex_unlock(&chip->mgr->mixer_mutex);
 816         return 0;
 817 }
 818
 819 static int pcxhr_iec958_mask_get(struct snd_kcontrol *kcontrol,
 820                                  struct snd_ctl_elem_value *ucontrol)
 821 {
 822         int i;
 823         for (i = 0; i < 5; i++)
 824                 ucontrol->value.iec958.status[i] = 0xff;
 825         return 0;
 826 }
 827
 828 static int pcxhr_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx, unsigned char aes_bits)
 829 {
 830         int i, err, cmd;
 831         unsigned char new_bits = aes_bits;
 832         unsigned char old_bits = chip->aes_bits[aes_idx];
 833         struct pcxhr_rmh rmh;
 834
 835         for (i = 0; i < 8; i++) {
 836                 if ((old_bits & 0x01) != (new_bits & 0x01)) {
 837                         cmd = chip->chip_idx & 0x03;            /* chip index 0..3 */
 838                         if(chip->chip_idx > 3)
 839                                 /* new bit used if chip_idx>3 (PCX1222HR) */
 840                                 cmd |= 1 << 22;
 841                         cmd |= ((aes_idx << 3) + i) << 2;       /* add bit offset */
 842                         cmd |= (new_bits & 0x01) << 23;         /* add bit value */
 843                         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
 844                         rmh.cmd[0] |= IO_NUM_REG_CUER;
 845                         rmh.cmd[1] = cmd;
 846                         rmh.cmd_len = 2;
 847                         snd_printdd("write iec958 AES %d byte %d bit %d (cmd %x)\n",
 848                                     chip->chip_idx, aes_idx, i, cmd);
 849                         err = pcxhr_send_msg(chip->mgr, &rmh);
 850                         if (err)
 851                                 return err;
 852                 }
 853                 old_bits >>= 1;
 854                 new_bits >>= 1;
 855         }
 856         chip->aes_bits[aes_idx] = aes_bits;
 857         return 0;
 858 }
 859
 860 static int pcxhr_iec958_put(struct snd_kcontrol *kcontrol,
 861                             struct snd_ctl_elem_value *ucontrol)
 862 {
 863         struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
 864         int i, changed = 0;
 865
 866         /* playback */
 867         mutex_lock(&chip->mgr->mixer_mutex);
 868         for (i = 0; i < 5; i++) {
 869                 if (ucontrol->value.iec958.status[i] != chip->aes_bits[i]) {
 870                         pcxhr_iec958_update_byte(chip, i, ucontrol->value.iec958.status[i]);
 871                         changed = 1;
 872                 }
 873         }
 874         mutex_unlock(&chip->mgr->mixer_mutex);
 875         return changed;
 876 }
 877
 878 static struct snd_kcontrol_new pcxhr_control_playback_iec958_mask = {
 879         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
 880         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
 881         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
 882         .info =         pcxhr_iec958_info,
 883         .get =          pcxhr_iec958_mask_get
 884 };
 885 static struct snd_kcontrol_new pcxhr_control_playback_iec958 = {
 886         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
 887         .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
 888         .info =         pcxhr_iec958_info,
 889         .get =          pcxhr_iec958_get,
 890         .put =          pcxhr_iec958_put,
 891         .private_value = 0 /* playback */
 892 };
 893
 894 static struct snd_kcontrol_new pcxhr_control_capture_iec958_mask = {
 895         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
 896         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
 897         .name =         SNDRV_CTL_NAME_IEC958("",CAPTURE,MASK),
 898         .info =         pcxhr_iec958_info,
 899         .get =          pcxhr_iec958_mask_get
 900 };
 901 static struct snd_kcontrol_new pcxhr_control_capture_iec958 = {
 902         .access =       SNDRV_CTL_ELEM_ACCESS_READ,
 903         .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
 904         .name =         SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
 905         .info =         pcxhr_iec958_info,
 906         .get =          pcxhr_iec958_get,
 907         .private_value = 1 /* capture */
 908 };
 909
 910 static void pcxhr_init_audio_levels(struct snd_pcxhr *chip)
 911 {
 912         int i;
 913
 914         for (i = 0; i < 2; i++) {
 915                 if (chip->nb_streams_play) {
 916                         int j;
 917                         /* at boot time the digital volumes are unmuted 0dB */
 918                         for (j = 0; j < PCXHR_PLAYBACK_STREAMS; j++) {
 919                                 chip->digital_playback_active[j][i] = 1;
 920                                 chip->digital_playback_volume[j][i] = PCXHR_DIGITAL_ZERO_LEVEL;
 921                         }
 922                         /* after boot, only two bits are set on the uer interface */
 923                         chip->aes_bits[0] = IEC958_AES0_PROFESSIONAL | IEC958_AES0_PRO_FS_48000;
 924 /* only for test purpose, remove later */
 925 #ifdef CONFIG_SND_DEBUG
 926                         /* analog volumes for playback (is LEVEL_MIN after boot) */
 927                         chip->analog_playback_active[i] = 1;
 928                         chip->analog_playback_volume[i] = PCXHR_ANALOG_PLAYBACK_ZERO_LEVEL;
 929                         pcxhr_update_analog_audio_level(chip, 0, i);
 930 #endif
 931 /* test end */
 932                 }
 933                 if (chip->nb_streams_capt) {
 934                         /* at boot time the digital volumes are unmuted 0dB */
 935                         chip->digital_capture_volume[i] = PCXHR_DIGITAL_ZERO_LEVEL;
 936 /* only for test purpose, remove later */
 937 #ifdef CONFIG_SND_DEBUG
 938                         /* analog volumes for playback (is LEVEL_MIN after boot) */
 939                         chip->analog_capture_volume[i]  = PCXHR_ANALOG_CAPTURE_ZERO_LEVEL;
 940                         pcxhr_update_analog_audio_level(chip, 1, i);
 941 #endif
 942 /* test end */
 943                 }
 944         }
 945
 946         return;
 947 }
 948
 949
 950 int pcxhr_create_mixer(struct pcxhr_mgr *mgr)
 951 {
 952         struct snd_pcxhr *chip;
 953         int err, i;
 954
 955         mutex_init(&mgr->mixer_mutex); /* can be in another place */
 956
 957         for (i = 0; i < mgr->num_cards; i++) {
 958                 struct snd_kcontrol_new temp;
 959                 chip = mgr->chip[i];
 960
 961                 if (chip->nb_streams_play) {
 962                         /* analog output level control */
 963                         temp = pcxhr_control_analog_level;
 964                         temp.name = "Master Playback Volume";
 965                         temp.private_value = 0; /* playback */
 966                         temp.tlv.p = db_scale_analog_playback;
 967                         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0)
 968                                 return err;
 969                         /* output mute controls */
 970                         if ((err = snd_ctl_add(chip->card,
 971                                                snd_ctl_new1(&pcxhr_control_output_switch,
 972                                                             chip))) < 0)
 973                                 return err;
 974
 975                         temp = snd_pcxhr_pcm_vol;
 976                         temp.name = "PCM Playback Volume";
 977                         temp.count = PCXHR_PLAYBACK_STREAMS;
 978                         temp.private_value = 0; /* playback */
 979                         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0)
 980                                 return err;
 981
 982                         if ((err = snd_ctl_add(chip->card,
 983                                                snd_ctl_new1(&pcxhr_control_pcm_switch,
 984                                                             chip))) < 0)
 985                                 return err;
 986
 987                         /* IEC958 controls */
 988                         if ((err = snd_ctl_add(chip->card,
 989                                                snd_ctl_new1(&pcxhr_control_playback_iec958_mask,
 990                                                             chip))) < 0)
 991                                 return err;
 992                         if ((err = snd_ctl_add(chip->card,
 993                                                snd_ctl_new1(&pcxhr_control_playback_iec958,
 994                                                             chip))) < 0)
 995                                 return err;
 996                 }
 997                 if (chip->nb_streams_capt) {
 998                         /* analog input level control only on first two chips !*/
 999                         temp = pcxhr_control_analog_level;
1000                         temp.name = "Master Capture Volume";
1001                         temp.private_value = 1; /* capture */
1002                         temp.tlv.p = db_scale_analog_capture;
1003                         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0)
1004                                 return err;
1005
1006                         temp = snd_pcxhr_pcm_vol;
1007                         temp.name = "PCM Capture Volume";
1008                         temp.count = 1;
1009                         temp.private_value = 1; /* capture */
1010                         if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0)
1011                                 return err;
1012                         /* Audio source */
1013                         if ((err = snd_ctl_add(chip->card,
1014                                                snd_ctl_new1(&pcxhr_control_audio_src,
1015                                                             chip))) < 0)
1016                                 return err;
1017                         /* IEC958 controls */
1018                         if ((err = snd_ctl_add(chip->card,
1019                                                snd_ctl_new1(&pcxhr_control_capture_iec958_mask,
1020                                                             chip))) < 0)
1021                                 return err;
1022                         if ((err = snd_ctl_add(chip->card,
1023                                                snd_ctl_new1(&pcxhr_control_capture_iec958,
1024                                                             chip))) < 0)
1025                                 return err;
1026                 }
1027                 /* monitoring only if playback and capture device available */
1028                 if (chip->nb_streams_capt > 0 && chip->nb_streams_play > 0) {
1029                         /* monitoring */
1030                         if ((err = snd_ctl_add(chip->card,
1031                                                snd_ctl_new1(&pcxhr_control_monitor_vol,
1032                                                             chip))) < 0)
1033                                 return err;
1034                         if ((err = snd_ctl_add(chip->card,
1035                                                snd_ctl_new1(&pcxhr_control_monitor_sw,
1036                                                             chip))) < 0)
1037                                 return err;
1038                 }
1039
1040                 if (i == 0) {
1041                         /* clock mode only one control per pcxhr */
1042                         if ((err = snd_ctl_add(chip->card,
1043                                                snd_ctl_new1(&pcxhr_control_clock_type,
1044                                                             mgr))) < 0)
1045                                 return err;
1046                         /* non standard control used to scan the external clock presence/frequencies */
1047                         if ((err = snd_ctl_add(chip->card,
1048                                                snd_ctl_new1(&pcxhr_control_clock_rate,
1049                                                             mgr))) < 0)
1050                                 return err;
1051                 }
1052
1053                 /* init values for the mixer data */
1054                 pcxhr_init_audio_levels(chip);
1055         }
1056
1057         return 0;
1058 }