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