kernel/sound/pci/ctxfi/ctmixer.c

   1 /**
   2  * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
   3  *
   4  * This source file is released under GPL v2 license (no other versions).
   5  * See the COPYING file included in the main directory of this source
   6  * distribution for the license terms and conditions.
   7  *
   8  * @File        ctmixer.c
   9  *
  10  * @Brief
  11  * This file contains the implementation of alsa mixer device functions.
  12  *
  13  * @Author      Liu Chun
  14  * @Date        May 28 2008
  15  *
  16  */
  17
  18
  19 #include "ctmixer.h"
  20 #include "ctamixer.h"
  21 #include <linux/slab.h>
  22 #include <sound/core.h>
  23 #include <sound/control.h>
  24 #include <sound/asoundef.h>
  25 #include <sound/pcm.h>
  26 #include <sound/tlv.h>
  27
  28 enum CT_SUM_CTL {
  29         SUM_IN_F,
  30         SUM_IN_R,
  31         SUM_IN_C,
  32         SUM_IN_S,
  33         SUM_IN_F_C,
  34
  35         NUM_CT_SUMS
  36 };
  37
  38 enum CT_AMIXER_CTL {
  39         /* volume control mixers */
  40         AMIXER_MASTER_F,
  41         AMIXER_MASTER_R,
  42         AMIXER_MASTER_C,
  43         AMIXER_MASTER_S,
  44         AMIXER_PCM_F,
  45         AMIXER_PCM_R,
  46         AMIXER_PCM_C,
  47         AMIXER_PCM_S,
  48         AMIXER_SPDIFI,
  49         AMIXER_LINEIN,
  50         AMIXER_MIC,
  51         AMIXER_SPDIFO,
  52         AMIXER_WAVE_F,
  53         AMIXER_WAVE_R,
  54         AMIXER_WAVE_C,
  55         AMIXER_WAVE_S,
  56         AMIXER_MASTER_F_C,
  57         AMIXER_PCM_F_C,
  58         AMIXER_SPDIFI_C,
  59         AMIXER_LINEIN_C,
  60         AMIXER_MIC_C,
  61
  62         /* this should always be the last one */
  63         NUM_CT_AMIXERS
  64 };
  65
  66 enum CTALSA_MIXER_CTL {
  67         /* volume control mixers */
  68         MIXER_MASTER_P,
  69         MIXER_PCM_P,
  70         MIXER_LINEIN_P,
  71         MIXER_MIC_P,
  72         MIXER_SPDIFI_P,
  73         MIXER_SPDIFO_P,
  74         MIXER_WAVEF_P,
  75         MIXER_WAVER_P,
  76         MIXER_WAVEC_P,
  77         MIXER_WAVES_P,
  78         MIXER_MASTER_C,
  79         MIXER_PCM_C,
  80         MIXER_LINEIN_C,
  81         MIXER_MIC_C,
  82         MIXER_SPDIFI_C,
  83
  84         /* switch control mixers */
  85         MIXER_PCM_C_S,
  86         MIXER_LINEIN_C_S,
  87         MIXER_MIC_C_S,
  88         MIXER_SPDIFI_C_S,
  89         MIXER_SPDIFO_P_S,
  90         MIXER_WAVEF_P_S,
  91         MIXER_WAVER_P_S,
  92         MIXER_WAVEC_P_S,
  93         MIXER_WAVES_P_S,
  94         MIXER_DIGITAL_IO_S,
  95         MIXER_IEC958_MASK,
  96         MIXER_IEC958_DEFAULT,
  97         MIXER_IEC958_STREAM,
  98
  99         /* this should always be the last one */
 100         NUM_CTALSA_MIXERS
 101 };
 102
 103 #define VOL_MIXER_START         MIXER_MASTER_P
 104 #define VOL_MIXER_END           MIXER_SPDIFI_C
 105 #define VOL_MIXER_NUM           (VOL_MIXER_END - VOL_MIXER_START + 1)
 106 #define SWH_MIXER_START         MIXER_PCM_C_S
 107 #define SWH_MIXER_END           MIXER_DIGITAL_IO_S
 108 #define SWH_CAPTURE_START       MIXER_PCM_C_S
 109 #define SWH_CAPTURE_END         MIXER_SPDIFI_C_S
 110
 111 #define CHN_NUM         2
 112
 113 struct ct_kcontrol_init {
 114         unsigned char ctl;
 115         char *name;
 116 };
 117
 118 static struct ct_kcontrol_init
 119 ct_kcontrol_init_table[NUM_CTALSA_MIXERS] = {
 120         [MIXER_MASTER_P] = {
 121                 .ctl = 1,
 122                 .name = "Master Playback Volume",
 123         },
 124         [MIXER_MASTER_C] = {
 125                 .ctl = 1,
 126                 .name = "Master Capture Volume",
 127         },
 128         [MIXER_PCM_P] = {
 129                 .ctl = 1,
 130                 .name = "PCM Playback Volume",
 131         },
 132         [MIXER_PCM_C] = {
 133                 .ctl = 1,
 134                 .name = "PCM Capture Volume",
 135         },
 136         [MIXER_LINEIN_P] = {
 137                 .ctl = 1,
 138                 .name = "Line Playback Volume",
 139         },
 140         [MIXER_LINEIN_C] = {
 141                 .ctl = 1,
 142                 .name = "Line Capture Volume",
 143         },
 144         [MIXER_MIC_P] = {
 145                 .ctl = 1,
 146                 .name = "Mic Playback Volume",
 147         },
 148         [MIXER_MIC_C] = {
 149                 .ctl = 1,
 150                 .name = "Mic Capture Volume",
 151         },
 152         [MIXER_SPDIFI_P] = {
 153                 .ctl = 1,
 154                 .name = "IEC958 Playback Volume",
 155         },
 156         [MIXER_SPDIFI_C] = {
 157                 .ctl = 1,
 158                 .name = "IEC958 Capture Volume",
 159         },
 160         [MIXER_SPDIFO_P] = {
 161                 .ctl = 1,
 162                 .name = "Digital Playback Volume",
 163         },
 164         [MIXER_WAVEF_P] = {
 165                 .ctl = 1,
 166                 .name = "Front Playback Volume",
 167         },
 168         [MIXER_WAVES_P] = {
 169                 .ctl = 1,
 170                 .name = "Side Playback Volume",
 171         },
 172         [MIXER_WAVEC_P] = {
 173                 .ctl = 1,
 174                 .name = "Center/LFE Playback Volume",
 175         },
 176         [MIXER_WAVER_P] = {
 177                 .ctl = 1,
 178                 .name = "Surround Playback Volume",
 179         },
 180         [MIXER_PCM_C_S] = {
 181                 .ctl = 1,
 182                 .name = "PCM Capture Switch",
 183         },
 184         [MIXER_LINEIN_C_S] = {
 185                 .ctl = 1,
 186                 .name = "Line Capture Switch",
 187         },
 188         [MIXER_MIC_C_S] = {
 189                 .ctl = 1,
 190                 .name = "Mic Capture Switch",
 191         },
 192         [MIXER_SPDIFI_C_S] = {
 193                 .ctl = 1,
 194                 .name = "IEC958 Capture Switch",
 195         },
 196         [MIXER_SPDIFO_P_S] = {
 197                 .ctl = 1,
 198                 .name = "Digital Playback Switch",
 199         },
 200         [MIXER_WAVEF_P_S] = {
 201                 .ctl = 1,
 202                 .name = "Front Playback Switch",
 203         },
 204         [MIXER_WAVES_P_S] = {
 205                 .ctl = 1,
 206                 .name = "Side Playback Switch",
 207         },
 208         [MIXER_WAVEC_P_S] = {
 209                 .ctl = 1,
 210                 .name = "Center/LFE Playback Switch",
 211         },
 212         [MIXER_WAVER_P_S] = {
 213                 .ctl = 1,
 214                 .name = "Surround Playback Switch",
 215         },
 216         [MIXER_DIGITAL_IO_S] = {
 217                 .ctl = 0,
 218                 .name = "Digit-IO Playback Switch",
 219         },
 220 };
 221
 222 static void
 223 ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type);
 224
 225 static void
 226 ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type);
 227
 228 /* FIXME: this static looks like it would fail if more than one card was */
 229 /* installed. */
 230 static struct snd_kcontrol *kctls[2] = {NULL};
 231
 232 static enum CT_AMIXER_CTL get_amixer_index(enum CTALSA_MIXER_CTL alsa_index)
 233 {
 234         switch (alsa_index) {
 235         case MIXER_MASTER_P:    return AMIXER_MASTER_F;
 236         case MIXER_MASTER_C:    return AMIXER_MASTER_F_C;
 237         case MIXER_PCM_P:       return AMIXER_PCM_F;
 238         case MIXER_PCM_C:
 239         case MIXER_PCM_C_S:     return AMIXER_PCM_F_C;
 240         case MIXER_LINEIN_P:    return AMIXER_LINEIN;
 241         case MIXER_LINEIN_C:
 242         case MIXER_LINEIN_C_S:  return AMIXER_LINEIN_C;
 243         case MIXER_MIC_P:       return AMIXER_MIC;
 244         case MIXER_MIC_C:
 245         case MIXER_MIC_C_S:     return AMIXER_MIC_C;
 246         case MIXER_SPDIFI_P:    return AMIXER_SPDIFI;
 247         case MIXER_SPDIFI_C:
 248         case MIXER_SPDIFI_C_S:  return AMIXER_SPDIFI_C;
 249         case MIXER_SPDIFO_P:    return AMIXER_SPDIFO;
 250         case MIXER_WAVEF_P:     return AMIXER_WAVE_F;
 251         case MIXER_WAVES_P:     return AMIXER_WAVE_S;
 252         case MIXER_WAVEC_P:     return AMIXER_WAVE_C;
 253         case MIXER_WAVER_P:     return AMIXER_WAVE_R;
 254         default:                return NUM_CT_AMIXERS;
 255         }
 256 }
 257
 258 static enum CT_AMIXER_CTL get_recording_amixer(enum CT_AMIXER_CTL index)
 259 {
 260         switch (index) {
 261         case AMIXER_MASTER_F:   return AMIXER_MASTER_F_C;
 262         case AMIXER_PCM_F:      return AMIXER_PCM_F_C;
 263         case AMIXER_SPDIFI:     return AMIXER_SPDIFI_C;
 264         case AMIXER_LINEIN:     return AMIXER_LINEIN_C;
 265         case AMIXER_MIC:        return AMIXER_MIC_C;
 266         default:                return NUM_CT_AMIXERS;
 267         }
 268 }
 269
 270 static unsigned char
 271 get_switch_state(struct ct_mixer *mixer, enum CTALSA_MIXER_CTL type)
 272 {
 273         return (mixer->switch_state & (0x1 << (type - SWH_MIXER_START)))
 274                 ? 1 : 0;
 275 }
 276
 277 static void
 278 set_switch_state(struct ct_mixer *mixer,
 279                  enum CTALSA_MIXER_CTL type, unsigned char state)
 280 {
 281         if (state)
 282                 mixer->switch_state |= (0x1 << (type - SWH_MIXER_START));
 283         else
 284                 mixer->switch_state &= ~(0x1 << (type - SWH_MIXER_START));
 285 }
 286
 287 #if 0 /* not used */
 288 /* Map integer value ranging from 0 to 65535 to 14-bit float value ranging
 289  * from 2^-6 to (1+1023/1024) */
 290 static unsigned int uint16_to_float14(unsigned int x)
 291 {
 292         unsigned int i;
 293
 294         if (x < 17)
 295                 return 0;
 296
 297         x *= 2031;
 298         x /= 65535;
 299         x += 16;
 300
 301         /* i <= 6 */
 302         for (i = 0; !(x & 0x400); i++)
 303                 x <<= 1;
 304
 305         x = (((7 - i) & 0x7) << 10) | (x & 0x3ff);
 306
 307         return x;
 308 }
 309
 310 static unsigned int float14_to_uint16(unsigned int x)
 311 {
 312         unsigned int e;
 313
 314         if (!x)
 315                 return x;
 316
 317         e = (x >> 10) & 0x7;
 318         x &= 0x3ff;
 319         x += 1024;
 320         x >>= (7 - e);
 321         x -= 16;
 322         x *= 65535;
 323         x /= 2031;
 324
 325         return x;
 326 }
 327 #endif /* not used */
 328
 329 #define VOL_SCALE       0x1c
 330 #define VOL_MAX         0x100
 331
 332 static const DECLARE_TLV_DB_SCALE(ct_vol_db_scale, -6400, 25, 1);
 333
 334 static int ct_alsa_mix_volume_info(struct snd_kcontrol *kcontrol,
 335                                    struct snd_ctl_elem_info *uinfo)
 336 {
 337         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 338         uinfo->count = 2;
 339         uinfo->value.integer.min = 0;
 340         uinfo->value.integer.max = VOL_MAX;
 341
 342         return 0;
 343 }
 344
 345 static int ct_alsa_mix_volume_get(struct snd_kcontrol *kcontrol,
 346                                   struct snd_ctl_elem_value *ucontrol)
 347 {
 348         struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
 349         enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value);
 350         struct amixer *amixer;
 351         int i, val;
 352
 353         for (i = 0; i < 2; i++) {
 354                 amixer = ((struct ct_mixer *)atc->mixer)->
 355                                                 amixers[type*CHN_NUM+i];
 356                 val = amixer->ops->get_scale(amixer) / VOL_SCALE;
 357                 if (val < 0)
 358                         val = 0;
 359                 else if (val > VOL_MAX)
 360                         val = VOL_MAX;
 361                 ucontrol->value.integer.value[i] = val;
 362         }
 363
 364         return 0;
 365 }
 366
 367 static int ct_alsa_mix_volume_put(struct snd_kcontrol *kcontrol,
 368                                   struct snd_ctl_elem_value *ucontrol)
 369 {
 370         struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
 371         struct ct_mixer *mixer = atc->mixer;
 372         enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value);
 373         struct amixer *amixer;
 374         int i, j, val, oval, change = 0;
 375
 376         for (i = 0; i < 2; i++) {
 377                 val = ucontrol->value.integer.value[i];
 378                 if (val < 0)
 379                         val = 0;
 380                 else if (val > VOL_MAX)
 381                         val = VOL_MAX;
 382                 val *= VOL_SCALE;
 383                 amixer = mixer->amixers[type*CHN_NUM+i];
 384                 oval = amixer->ops->get_scale(amixer);
 385                 if (val != oval) {
 386                         amixer->ops->set_scale(amixer, val);
 387                         amixer->ops->commit_write(amixer);
 388                         change = 1;
 389                         /* Synchronize Master/PCM playback AMIXERs. */
 390                         if (AMIXER_MASTER_F == type || AMIXER_PCM_F == type) {
 391                                 for (j = 1; j < 4; j++) {
 392                                         amixer = mixer->
 393                                                 amixers[(type+j)*CHN_NUM+i];
 394                                         amixer->ops->set_scale(amixer, val);
 395                                         amixer->ops->commit_write(amixer);
 396                                 }
 397                         }
 398                 }
 399         }
 400
 401         return change;
 402 }
 403
 404 static struct snd_kcontrol_new vol_ctl = {
 405         .access         = SNDRV_CTL_ELEM_ACCESS_READWRITE |
 406                           SNDRV_CTL_ELEM_ACCESS_TLV_READ,
 407         .iface          = SNDRV_CTL_ELEM_IFACE_MIXER,
 408         .info           = ct_alsa_mix_volume_info,
 409         .get            = ct_alsa_mix_volume_get,
 410         .put            = ct_alsa_mix_volume_put,
 411         .tlv            = { .p =  ct_vol_db_scale },
 412 };
 413
 414 static int output_switch_info(struct snd_kcontrol *kcontrol,
 415                               struct snd_ctl_elem_info *info)
 416 {
 417         static const char *const names[3] = {
 418           "FP Headphones", "Headphones", "Speakers"
 419         };
 420
 421         return snd_ctl_enum_info(info, 1, 3, names);
 422 }
 423
 424 static int output_switch_get(struct snd_kcontrol *kcontrol,
 425                              struct snd_ctl_elem_value *ucontrol)
 426 {
 427         struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
 428         ucontrol->value.enumerated.item[0] = atc->output_switch_get(atc);
 429         return 0;
 430 }
 431
 432 static int output_switch_put(struct snd_kcontrol *kcontrol,
 433                              struct snd_ctl_elem_value *ucontrol)
 434 {
 435         struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
 436         if (ucontrol->value.enumerated.item[0] > 2)
 437                 return -EINVAL;
 438         return atc->output_switch_put(atc, ucontrol->value.enumerated.item[0]);
 439 }
 440
 441 static struct snd_kcontrol_new output_ctl = {
 442         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 443         .name = "Analog Output Playback Enum",
 444         .info = output_switch_info,
 445         .get = output_switch_get,
 446         .put = output_switch_put,
 447 };
 448
 449 static int mic_source_switch_info(struct snd_kcontrol *kcontrol,
 450                               struct snd_ctl_elem_info *info)
 451 {
 452         static const char *const names[3] = {
 453           "Mic", "FP Mic", "Aux"
 454         };
 455
 456         return snd_ctl_enum_info(info, 1, 3, names);
 457 }
 458
 459 static int mic_source_switch_get(struct snd_kcontrol *kcontrol,
 460                              struct snd_ctl_elem_value *ucontrol)
 461 {
 462         struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
 463         ucontrol->value.enumerated.item[0] = atc->mic_source_switch_get(atc);
 464         return 0;
 465 }
 466
 467 static int mic_source_switch_put(struct snd_kcontrol *kcontrol,
 468                              struct snd_ctl_elem_value *ucontrol)
 469 {
 470         struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
 471         if (ucontrol->value.enumerated.item[0] > 2)
 472                 return -EINVAL;
 473         return atc->mic_source_switch_put(atc,
 474                                         ucontrol->value.enumerated.item[0]);
 475 }
 476
 477 static struct snd_kcontrol_new mic_source_ctl = {
 478         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 479         .name = "Mic Source Capture Enum",
 480         .info = mic_source_switch_info,
 481         .get = mic_source_switch_get,
 482         .put = mic_source_switch_put,
 483 };
 484
 485 static void
 486 do_line_mic_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type)
 487 {
 488
 489         if (MIXER_LINEIN_C_S == type) {
 490                 atc->select_line_in(atc);
 491                 set_switch_state(atc->mixer, MIXER_MIC_C_S, 0);
 492                 snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE,
 493                                                         &kctls[1]->id);
 494         } else if (MIXER_MIC_C_S == type) {
 495                 atc->select_mic_in(atc);
 496                 set_switch_state(atc->mixer, MIXER_LINEIN_C_S, 0);
 497                 snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE,
 498                                                         &kctls[0]->id);
 499         }
 500 }
 501
 502 static void
 503 do_digit_io_switch(struct ct_atc *atc, int state)
 504 {
 505         struct ct_mixer *mixer = atc->mixer;
 506
 507         if (state) {
 508                 atc->select_digit_io(atc);
 509                 atc->spdif_out_unmute(atc,
 510                                 get_switch_state(mixer, MIXER_SPDIFO_P_S));
 511                 atc->spdif_in_unmute(atc, 1);
 512                 atc->line_in_unmute(atc, 0);
 513                 return;
 514         }
 515
 516         if (get_switch_state(mixer, MIXER_LINEIN_C_S))
 517                 atc->select_line_in(atc);
 518         else if (get_switch_state(mixer, MIXER_MIC_C_S))
 519                 atc->select_mic_in(atc);
 520
 521         atc->spdif_out_unmute(atc, 0);
 522         atc->spdif_in_unmute(atc, 0);
 523         atc->line_in_unmute(atc, 1);
 524         return;
 525 }
 526
 527 static void do_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type, int state)
 528 {
 529         struct ct_mixer *mixer = atc->mixer;
 530         struct capabilities cap = atc->capabilities(atc);
 531
 532         /* Do changes in mixer. */
 533         if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) {
 534                 if (state) {
 535                         ct_mixer_recording_select(mixer,
 536                                                   get_amixer_index(type));
 537                 } else {
 538                         ct_mixer_recording_unselect(mixer,
 539                                                     get_amixer_index(type));
 540                 }
 541         }
 542         /* Do changes out of mixer. */
 543         if (!cap.dedicated_mic &&
 544             (MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type)) {
 545                 if (state)
 546                         do_line_mic_switch(atc, type);
 547                 atc->line_in_unmute(atc, state);
 548         } else if (cap.dedicated_mic && (MIXER_LINEIN_C_S == type))
 549                 atc->line_in_unmute(atc, state);
 550         else if (cap.dedicated_mic && (MIXER_MIC_C_S == type))
 551                 atc->mic_unmute(atc, state);
 552         else if (MIXER_SPDIFI_C_S == type)
 553                 atc->spdif_in_unmute(atc, state);
 554         else if (MIXER_WAVEF_P_S == type)
 555                 atc->line_front_unmute(atc, state);
 556         else if (MIXER_WAVES_P_S == type)
 557                 atc->line_surround_unmute(atc, state);
 558         else if (MIXER_WAVEC_P_S == type)
 559                 atc->line_clfe_unmute(atc, state);
 560         else if (MIXER_WAVER_P_S == type)
 561                 atc->line_rear_unmute(atc, state);
 562         else if (MIXER_SPDIFO_P_S == type)
 563                 atc->spdif_out_unmute(atc, state);
 564         else if (MIXER_DIGITAL_IO_S == type)
 565                 do_digit_io_switch(atc, state);
 566
 567         return;
 568 }
 569
 570 static int ct_alsa_mix_switch_info(struct snd_kcontrol *kcontrol,
 571                                    struct snd_ctl_elem_info *uinfo)
 572 {
 573         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 574         uinfo->count = 1;
 575         uinfo->value.integer.min = 0;
 576         uinfo->value.integer.max = 1;
 577         uinfo->value.integer.step = 1;
 578
 579         return 0;
 580 }
 581
 582 static int ct_alsa_mix_switch_get(struct snd_kcontrol *kcontrol,
 583                                   struct snd_ctl_elem_value *ucontrol)
 584 {
 585         struct ct_mixer *mixer =
 586                 ((struct ct_atc *)snd_kcontrol_chip(kcontrol))->mixer;
 587         enum CTALSA_MIXER_CTL type = kcontrol->private_value;
 588
 589         ucontrol->value.integer.value[0] = get_switch_state(mixer, type);
 590         return 0;
 591 }
 592
 593 static int ct_alsa_mix_switch_put(struct snd_kcontrol *kcontrol,
 594                                   struct snd_ctl_elem_value *ucontrol)
 595 {
 596         struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
 597         struct ct_mixer *mixer = atc->mixer;
 598         enum CTALSA_MIXER_CTL type = kcontrol->private_value;
 599         int state;
 600
 601         state = ucontrol->value.integer.value[0];
 602         if (get_switch_state(mixer, type) == state)
 603                 return 0;
 604
 605         set_switch_state(mixer, type, state);
 606         do_switch(atc, type, state);
 607
 608         return 1;
 609 }
 610
 611 static struct snd_kcontrol_new swh_ctl = {
 612         .access         = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 613         .iface          = SNDRV_CTL_ELEM_IFACE_MIXER,
 614         .info           = ct_alsa_mix_switch_info,
 615         .get            = ct_alsa_mix_switch_get,
 616         .put            = ct_alsa_mix_switch_put
 617 };
 618
 619 static int ct_spdif_info(struct snd_kcontrol *kcontrol,
 620                          struct snd_ctl_elem_info *uinfo)
 621 {
 622         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
 623         uinfo->count = 1;
 624         return 0;
 625 }
 626
 627 static int ct_spdif_get_mask(struct snd_kcontrol *kcontrol,
 628                              struct snd_ctl_elem_value *ucontrol)
 629 {
 630         ucontrol->value.iec958.status[0] = 0xff;
 631         ucontrol->value.iec958.status[1] = 0xff;
 632         ucontrol->value.iec958.status[2] = 0xff;
 633         ucontrol->value.iec958.status[3] = 0xff;
 634         return 0;
 635 }
 636
 637 static int ct_spdif_get(struct snd_kcontrol *kcontrol,
 638                         struct snd_ctl_elem_value *ucontrol)
 639 {
 640         struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
 641         unsigned int status;
 642
 643         atc->spdif_out_get_status(atc, &status);
 644
 645         if (status == 0)
 646                 status = SNDRV_PCM_DEFAULT_CON_SPDIF;
 647
 648         ucontrol->value.iec958.status[0] = (status >> 0) & 0xff;
 649         ucontrol->value.iec958.status[1] = (status >> 8) & 0xff;
 650         ucontrol->value.iec958.status[2] = (status >> 16) & 0xff;
 651         ucontrol->value.iec958.status[3] = (status >> 24) & 0xff;
 652
 653         return 0;
 654 }
 655
 656 static int ct_spdif_put(struct snd_kcontrol *kcontrol,
 657                         struct snd_ctl_elem_value *ucontrol)
 658 {
 659         struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
 660         int change;
 661         unsigned int status, old_status;
 662
 663         status = (ucontrol->value.iec958.status[0] << 0) |
 664                  (ucontrol->value.iec958.status[1] << 8) |
 665                  (ucontrol->value.iec958.status[2] << 16) |
 666                  (ucontrol->value.iec958.status[3] << 24);
 667
 668         atc->spdif_out_get_status(atc, &old_status);
 669         change = (old_status != status);
 670         if (change)
 671                 atc->spdif_out_set_status(atc, status);
 672
 673         return change;
 674 }
 675
 676 static struct snd_kcontrol_new iec958_mask_ctl = {
 677         .access         = SNDRV_CTL_ELEM_ACCESS_READ,
 678         .iface          = SNDRV_CTL_ELEM_IFACE_PCM,
 679         .name           = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
 680         .count          = 1,
 681         .info           = ct_spdif_info,
 682         .get            = ct_spdif_get_mask,
 683         .private_value  = MIXER_IEC958_MASK
 684 };
 685
 686 static struct snd_kcontrol_new iec958_default_ctl = {
 687         .iface          = SNDRV_CTL_ELEM_IFACE_PCM,
 688         .name           = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
 689         .count          = 1,
 690         .info           = ct_spdif_info,
 691         .get            = ct_spdif_get,
 692         .put            = ct_spdif_put,
 693         .private_value  = MIXER_IEC958_DEFAULT
 694 };
 695
 696 static struct snd_kcontrol_new iec958_ctl = {
 697         .access         = SNDRV_CTL_ELEM_ACCESS_READWRITE,
 698         .iface          = SNDRV_CTL_ELEM_IFACE_PCM,
 699         .name           = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
 700         .count          = 1,
 701         .info           = ct_spdif_info,
 702         .get            = ct_spdif_get,
 703         .put            = ct_spdif_put,
 704         .private_value  = MIXER_IEC958_STREAM
 705 };
 706
 707 #define NUM_IEC958_CTL 3
 708
 709 static int
 710 ct_mixer_kcontrol_new(struct ct_mixer *mixer, struct snd_kcontrol_new *new)
 711 {
 712         struct snd_kcontrol *kctl;
 713         int err;
 714
 715         kctl = snd_ctl_new1(new, mixer->atc);
 716         if (!kctl)
 717                 return -ENOMEM;
 718
 719         if (SNDRV_CTL_ELEM_IFACE_PCM == kctl->id.iface)
 720                 kctl->id.device = IEC958;
 721
 722         err = snd_ctl_add(mixer->atc->card, kctl);
 723         if (err)
 724                 return err;
 725
 726         switch (new->private_value) {
 727         case MIXER_LINEIN_C_S:
 728                 kctls[0] = kctl; break;
 729         case MIXER_MIC_C_S:
 730                 kctls[1] = kctl; break;
 731         default:
 732                 break;
 733         }
 734
 735         return 0;
 736 }
 737
 738 static int ct_mixer_kcontrols_create(struct ct_mixer *mixer)
 739 {
 740         enum CTALSA_MIXER_CTL type;
 741         struct ct_atc *atc = mixer->atc;
 742         struct capabilities cap = atc->capabilities(atc);
 743         int err;
 744
 745         /* Create snd kcontrol instances on demand */
 746         for (type = VOL_MIXER_START; type <= VOL_MIXER_END; type++) {
 747                 if (ct_kcontrol_init_table[type].ctl) {
 748                         vol_ctl.name = ct_kcontrol_init_table[type].name;
 749                         vol_ctl.private_value = (unsigned long)type;
 750                         err = ct_mixer_kcontrol_new(mixer, &vol_ctl);
 751                         if (err)
 752                                 return err;
 753                 }
 754         }
 755
 756         ct_kcontrol_init_table[MIXER_DIGITAL_IO_S].ctl = cap.digit_io_switch;
 757
 758         for (type = SWH_MIXER_START; type <= SWH_MIXER_END; type++) {
 759                 if (ct_kcontrol_init_table[type].ctl) {
 760                         swh_ctl.name = ct_kcontrol_init_table[type].name;
 761                         swh_ctl.private_value = (unsigned long)type;
 762                         err = ct_mixer_kcontrol_new(mixer, &swh_ctl);
 763                         if (err)
 764                                 return err;
 765                 }
 766         }
 767
 768         err = ct_mixer_kcontrol_new(mixer, &iec958_mask_ctl);
 769         if (err)
 770                 return err;
 771
 772         err = ct_mixer_kcontrol_new(mixer, &iec958_default_ctl);
 773         if (err)
 774                 return err;
 775
 776         err = ct_mixer_kcontrol_new(mixer, &iec958_ctl);
 777         if (err)
 778                 return err;
 779
 780         if (cap.output_switch) {
 781                 err = ct_mixer_kcontrol_new(mixer, &output_ctl);
 782                 if (err)
 783                         return err;
 784         }
 785
 786         if (cap.mic_source_switch) {
 787                 err = ct_mixer_kcontrol_new(mixer, &mic_source_ctl);
 788                 if (err)
 789                         return err;
 790         }
 791         atc->line_front_unmute(atc, 1);
 792         set_switch_state(mixer, MIXER_WAVEF_P_S, 1);
 793         atc->line_surround_unmute(atc, 0);
 794         set_switch_state(mixer, MIXER_WAVES_P_S, 0);
 795         atc->line_clfe_unmute(atc, 0);
 796         set_switch_state(mixer, MIXER_WAVEC_P_S, 0);
 797         atc->line_rear_unmute(atc, 0);
 798         set_switch_state(mixer, MIXER_WAVER_P_S, 0);
 799         atc->spdif_out_unmute(atc, 0);
 800         set_switch_state(mixer, MIXER_SPDIFO_P_S, 0);
 801         atc->line_in_unmute(atc, 0);
 802         if (cap.dedicated_mic)
 803                 atc->mic_unmute(atc, 0);
 804         atc->spdif_in_unmute(atc, 0);
 805         set_switch_state(mixer, MIXER_PCM_C_S, 0);
 806         set_switch_state(mixer, MIXER_LINEIN_C_S, 0);
 807         set_switch_state(mixer, MIXER_SPDIFI_C_S, 0);
 808
 809         return 0;
 810 }
 811
 812 static void
 813 ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
 814 {
 815         struct amixer *amix_d;
 816         struct sum *sum_c;
 817         int i;
 818
 819         for (i = 0; i < 2; i++) {
 820                 amix_d = mixer->amixers[type*CHN_NUM+i];
 821                 sum_c = mixer->sums[SUM_IN_F_C*CHN_NUM+i];
 822                 amix_d->ops->set_sum(amix_d, sum_c);
 823                 amix_d->ops->commit_write(amix_d);
 824         }
 825 }
 826
 827 static void
 828 ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
 829 {
 830         struct amixer *amix_d;
 831         int i;
 832
 833         for (i = 0; i < 2; i++) {
 834                 amix_d = mixer->amixers[type*CHN_NUM+i];
 835                 amix_d->ops->set_sum(amix_d, NULL);
 836                 amix_d->ops->commit_write(amix_d);
 837         }
 838 }
 839
 840 static int ct_mixer_get_resources(struct ct_mixer *mixer)
 841 {
 842         struct sum_mgr *sum_mgr;
 843         struct sum *sum;
 844         struct sum_desc sum_desc = {0};
 845         struct amixer_mgr *amixer_mgr;
 846         struct amixer *amixer;
 847         struct amixer_desc am_desc = {0};
 848         int err;
 849         int i;
 850
 851         /* Allocate sum resources for mixer obj */
 852         sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
 853         sum_desc.msr = mixer->atc->msr;
 854         for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
 855                 err = sum_mgr->get_sum(sum_mgr, &sum_desc, &sum);
 856                 if (err) {
 857                         dev_err(mixer->atc->card->dev,
 858                                 "Failed to get sum resources for front output!\n");
 859                         break;
 860                 }
 861                 mixer->sums[i] = sum;
 862         }
 863         if (err)
 864                 goto error1;
 865
 866         /* Allocate amixer resources for mixer obj */
 867         amixer_mgr = (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER];
 868         am_desc.msr = mixer->atc->msr;
 869         for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
 870                 err = amixer_mgr->get_amixer(amixer_mgr, &am_desc, &amixer);
 871                 if (err) {
 872                         dev_err(mixer->atc->card->dev,
 873                                 "Failed to get amixer resources for mixer obj!\n");
 874                         break;
 875                 }
 876                 mixer->amixers[i] = amixer;
 877         }
 878         if (err)
 879                 goto error2;
 880
 881         return 0;
 882
 883 error2:
 884         for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
 885                 if (NULL != mixer->amixers[i]) {
 886                         amixer = mixer->amixers[i];
 887                         amixer_mgr->put_amixer(amixer_mgr, amixer);
 888                         mixer->amixers[i] = NULL;
 889                 }
 890         }
 891 error1:
 892         for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
 893                 if (NULL != mixer->sums[i]) {
 894                         sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]);
 895                         mixer->sums[i] = NULL;
 896                 }
 897         }
 898
 899         return err;
 900 }
 901
 902 static int ct_mixer_get_mem(struct ct_mixer **rmixer)
 903 {
 904         struct ct_mixer *mixer;
 905         int err;
 906
 907         *rmixer = NULL;
 908         /* Allocate mem for mixer obj */
 909         mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
 910         if (!mixer)
 911                 return -ENOMEM;
 912
 913         mixer->amixers = kzalloc(sizeof(void *)*(NUM_CT_AMIXERS*CHN_NUM),
 914                                  GFP_KERNEL);
 915         if (!mixer->amixers) {
 916                 err = -ENOMEM;
 917                 goto error1;
 918         }
 919         mixer->sums = kzalloc(sizeof(void *)*(NUM_CT_SUMS*CHN_NUM), GFP_KERNEL);
 920         if (!mixer->sums) {
 921                 err = -ENOMEM;
 922                 goto error2;
 923         }
 924
 925         *rmixer = mixer;
 926         return 0;
 927
 928 error2:
 929         kfree(mixer->amixers);
 930 error1:
 931         kfree(mixer);
 932         return err;
 933 }
 934
 935 static int ct_mixer_topology_build(struct ct_mixer *mixer)
 936 {
 937         struct sum *sum;
 938         struct amixer *amix_d, *amix_s;
 939         enum CT_AMIXER_CTL i, j;
 940
 941         /* Build topology from destination to source */
 942
 943         /* Set up Master mixer */
 944         for (i = AMIXER_MASTER_F, j = SUM_IN_F;
 945                                         i <= AMIXER_MASTER_S; i++, j++) {
 946                 amix_d = mixer->amixers[i*CHN_NUM];
 947                 sum = mixer->sums[j*CHN_NUM];
 948                 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
 949                 amix_d = mixer->amixers[i*CHN_NUM+1];
 950                 sum = mixer->sums[j*CHN_NUM+1];
 951                 amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
 952         }
 953
 954         /* Set up Wave-out mixer */
 955         for (i = AMIXER_WAVE_F, j = AMIXER_MASTER_F;
 956                                         i <= AMIXER_WAVE_S; i++, j++) {
 957                 amix_d = mixer->amixers[i*CHN_NUM];
 958                 amix_s = mixer->amixers[j*CHN_NUM];
 959                 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
 960                 amix_d = mixer->amixers[i*CHN_NUM+1];
 961                 amix_s = mixer->amixers[j*CHN_NUM+1];
 962                 amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
 963         }
 964
 965         /* Set up S/PDIF-out mixer */
 966         amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM];
 967         amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM];
 968         amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
 969         amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM+1];
 970         amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM+1];
 971         amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
 972
 973         /* Set up PCM-in mixer */
 974         for (i = AMIXER_PCM_F, j = SUM_IN_F; i <= AMIXER_PCM_S; i++, j++) {
 975                 amix_d = mixer->amixers[i*CHN_NUM];
 976                 sum = mixer->sums[j*CHN_NUM];
 977                 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
 978                 amix_d = mixer->amixers[i*CHN_NUM+1];
 979                 sum = mixer->sums[j*CHN_NUM+1];
 980                 amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
 981         }
 982
 983         /* Set up Line-in mixer */
 984         amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM];
 985         sum = mixer->sums[SUM_IN_F*CHN_NUM];
 986         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
 987         amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM+1];
 988         sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
 989         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
 990
 991         /* Set up Mic-in mixer */
 992         amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM];
 993         sum = mixer->sums[SUM_IN_F*CHN_NUM];
 994         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
 995         amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM+1];
 996         sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
 997         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
 998
 999         /* Set up S/PDIF-in mixer */
1000         amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM];
1001         sum = mixer->sums[SUM_IN_F*CHN_NUM];
1002         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1003         amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM+1];
1004         sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
1005         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1006
1007         /* Set up Master recording mixer */
1008         amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM];
1009         sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1010         amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
1011         amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM+1];
1012         sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1013         amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
1014
1015         /* Set up PCM-in recording mixer */
1016         amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM];
1017         sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1018         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1019         amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM+1];
1020         sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1021         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1022
1023         /* Set up Line-in recording mixer */
1024         amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM];
1025         sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1026         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1027         amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM+1];
1028         sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1029         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1030
1031         /* Set up Mic-in recording mixer */
1032         amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM];
1033         sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1034         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1035         amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM+1];
1036         sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1037         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1038
1039         /* Set up S/PDIF-in recording mixer */
1040         amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM];
1041         sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1042         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1043         amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM+1];
1044         sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1045         amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1046
1047         return 0;
1048 }
1049
1050 static int mixer_set_input_port(struct amixer *amixer, struct rsc *rsc)
1051 {
1052         amixer->ops->set_input(amixer, rsc);
1053         amixer->ops->commit_write(amixer);
1054
1055         return 0;
1056 }
1057
1058 static enum CT_AMIXER_CTL port_to_amixer(enum MIXER_PORT_T type)
1059 {
1060         switch (type) {
1061         case MIX_WAVE_FRONT:    return AMIXER_WAVE_F;
1062         case MIX_WAVE_SURROUND: return AMIXER_WAVE_S;
1063         case MIX_WAVE_CENTLFE:  return AMIXER_WAVE_C;
1064         case MIX_WAVE_REAR:     return AMIXER_WAVE_R;
1065         case MIX_PCMO_FRONT:    return AMIXER_MASTER_F_C;
1066         case MIX_SPDIF_OUT:     return AMIXER_SPDIFO;
1067         case MIX_LINE_IN:       return AMIXER_LINEIN;
1068         case MIX_MIC_IN:        return AMIXER_MIC;
1069         case MIX_SPDIF_IN:      return AMIXER_SPDIFI;
1070         case MIX_PCMI_FRONT:    return AMIXER_PCM_F;
1071         case MIX_PCMI_SURROUND: return AMIXER_PCM_S;
1072         case MIX_PCMI_CENTLFE:  return AMIXER_PCM_C;
1073         case MIX_PCMI_REAR:     return AMIXER_PCM_R;
1074         default:                return 0;
1075         }
1076 }
1077
1078 static int mixer_get_output_ports(struct ct_mixer *mixer,
1079                                   enum MIXER_PORT_T type,
1080                                   struct rsc **rleft, struct rsc **rright)
1081 {
1082         enum CT_AMIXER_CTL amix = port_to_amixer(type);
1083
1084         if (NULL != rleft)
1085                 *rleft = &((struct amixer *)mixer->amixers[amix*CHN_NUM])->rsc;
1086
1087         if (NULL != rright)
1088                 *rright =
1089                         &((struct amixer *)mixer->amixers[amix*CHN_NUM+1])->rsc;
1090
1091         return 0;
1092 }
1093
1094 static int mixer_set_input_left(struct ct_mixer *mixer,
1095                                 enum MIXER_PORT_T type, struct rsc *rsc)
1096 {
1097         enum CT_AMIXER_CTL amix = port_to_amixer(type);
1098
1099         mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc);
1100         amix = get_recording_amixer(amix);
1101         if (amix < NUM_CT_AMIXERS)
1102                 mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc);
1103
1104         return 0;
1105 }
1106
1107 static int
1108 mixer_set_input_right(struct ct_mixer *mixer,
1109                       enum MIXER_PORT_T type, struct rsc *rsc)
1110 {
1111         enum CT_AMIXER_CTL amix = port_to_amixer(type);
1112
1113         mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc);
1114         amix = get_recording_amixer(amix);
1115         if (amix < NUM_CT_AMIXERS)
1116                 mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc);
1117
1118         return 0;
1119 }
1120
1121 #ifdef CONFIG_PM_SLEEP
1122 static int mixer_resume(struct ct_mixer *mixer)
1123 {
1124         int i, state;
1125         struct amixer *amixer;
1126
1127         /* resume topology and volume gain. */
1128         for (i = 0; i < NUM_CT_AMIXERS*CHN_NUM; i++) {
1129                 amixer = mixer->amixers[i];
1130                 amixer->ops->commit_write(amixer);
1131         }
1132
1133         /* resume switch state. */
1134         for (i = SWH_MIXER_START; i <= SWH_MIXER_END; i++) {
1135                 state = get_switch_state(mixer, i);
1136                 do_switch(mixer->atc, i, state);
1137         }
1138
1139         return 0;
1140 }
1141 #endif
1142
1143 int ct_mixer_destroy(struct ct_mixer *mixer)
1144 {
1145         struct sum_mgr *sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
1146         struct amixer_mgr *amixer_mgr =
1147                         (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER];
1148         struct amixer *amixer;
1149         int i = 0;
1150
1151         /* Release amixer resources */
1152         for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
1153                 if (NULL != mixer->amixers[i]) {
1154                         amixer = mixer->amixers[i];
1155                         amixer_mgr->put_amixer(amixer_mgr, amixer);
1156                 }
1157         }
1158
1159         /* Release sum resources */
1160         for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
1161                 if (NULL != mixer->sums[i])
1162                         sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]);
1163         }
1164
1165         /* Release mem assigned to mixer object */
1166         kfree(mixer->sums);
1167         kfree(mixer->amixers);
1168         kfree(mixer);
1169
1170         return 0;
1171 }
1172
1173 int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer)
1174 {
1175         struct ct_mixer *mixer;
1176         int err;
1177
1178         *rmixer = NULL;
1179
1180         /* Allocate mem for mixer obj */
1181         err = ct_mixer_get_mem(&mixer);
1182         if (err)
1183                 return err;
1184
1185         mixer->switch_state = 0;
1186         mixer->atc = atc;
1187         /* Set operations */
1188         mixer->get_output_ports = mixer_get_output_ports;
1189         mixer->set_input_left = mixer_set_input_left;
1190         mixer->set_input_right = mixer_set_input_right;
1191 #ifdef CONFIG_PM_SLEEP
1192         mixer->resume = mixer_resume;
1193 #endif
1194
1195         /* Allocate chip resources for mixer obj */
1196         err = ct_mixer_get_resources(mixer);
1197         if (err)
1198                 goto error;
1199
1200         /* Build internal mixer topology */
1201         ct_mixer_topology_build(mixer);
1202
1203         *rmixer = mixer;
1204
1205         return 0;
1206
1207 error:
1208         ct_mixer_destroy(mixer);
1209         return err;
1210 }
1211
1212 int ct_alsa_mix_create(struct ct_atc *atc,
1213                        enum CTALSADEVS device,
1214                        const char *device_name)
1215 {
1216         int err;
1217
1218         /* Create snd kcontrol instances on demand */
1219         /* vol_ctl.device = swh_ctl.device = device; */ /* better w/ device 0 */
1220         err = ct_mixer_kcontrols_create((struct ct_mixer *)atc->mixer);
1221         if (err)
1222                 return err;
1223
1224         strcpy(atc->card->mixername, device_name);
1225
1226         return 0;
1227 }