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