drivers/staging/greybus/audio_topology.c

   1 /*
   2  * Greybus audio driver
   3  * Copyright 2015-2016 Google Inc.
   4  * Copyright 2015-2016 Linaro Ltd.
   5  *
   6  * Released under the GPLv2 only.
   7  */
   8
   9 #include "audio_codec.h"
  10 #include "greybus_protocols.h"
  11
  12 #define GBAUDIO_INVALID_ID      0xFF
  13
  14 /* mixer control */
  15 struct gb_mixer_control {
  16         int min, max;
  17         unsigned int reg, rreg, shift, rshift, invert;
  18 };
  19
  20 struct gbaudio_ctl_pvt {
  21         unsigned int ctl_id;
  22         unsigned int data_cport;
  23         unsigned int access;
  24         unsigned int vcount;
  25         struct gb_audio_ctl_elem_info *info;
  26 };
  27
  28 static struct gbaudio_module_info *find_gb_module(
  29                                         struct gbaudio_codec_info *codec,
  30                                         char const *name)
  31 {
  32         int dev_id, ret;
  33         char begin[NAME_SIZE];
  34         struct gbaudio_module_info *module;
  35
  36         if (!name)
  37                 return NULL;
  38
  39         ret = sscanf(name, "%s %d", begin, &dev_id);
  40         dev_dbg(codec->dev, "%s:Find module#%d\n", __func__, dev_id);
  41
  42         mutex_lock(&codec->lock);
  43         list_for_each_entry(module, &codec->module_list, list) {
  44                 if (module->dev_id == dev_id) {
  45                         mutex_unlock(&codec->lock);
  46                         return module;
  47                 }
  48         }
  49         mutex_unlock(&codec->lock);
  50         dev_warn(codec->dev, "%s: module#%d missing in codec list\n", name,
  51                  dev_id);
  52         return NULL;
  53 }
  54
  55 static const char *gbaudio_map_controlid(struct gbaudio_module_info *module,
  56                                          __u8 control_id, __u8 index)
  57 {
  58         struct gbaudio_control *control;
  59
  60         if (control_id == GBAUDIO_INVALID_ID)
  61                 return NULL;
  62
  63         list_for_each_entry(control, &module->ctl_list, list) {
  64                 if (control->id == control_id) {
  65                         if (index == GBAUDIO_INVALID_ID)
  66                                 return control->name;
  67                         if (index >= control->items)
  68                                 return NULL;
  69                         return control->texts[index];
  70                 }
  71         }
  72         list_for_each_entry(control, &module->widget_ctl_list, list) {
  73                 if (control->id == control_id) {
  74                         if (index == GBAUDIO_INVALID_ID)
  75                                 return control->name;
  76                         if (index >= control->items)
  77                                 return NULL;
  78                         return control->texts[index];
  79                 }
  80         }
  81         return NULL;
  82 }
  83
  84 static int gbaudio_map_controlname(struct gbaudio_module_info *module,
  85                                    const char *name)
  86 {
  87         struct gbaudio_control *control;
  88
  89         list_for_each_entry(control, &module->ctl_list, list) {
  90                 if (!strncmp(control->name, name, NAME_SIZE))
  91                         return control->id;
  92         }
  93
  94         dev_warn(module->dev, "%s: missing in modules controls list\n", name);
  95
  96         return -EINVAL;
  97 }
  98
  99 static int gbaudio_map_wcontrolname(struct gbaudio_module_info *module,
 100                                     const char *name)
 101 {
 102         struct gbaudio_control *control;
 103
 104         list_for_each_entry(control, &module->widget_ctl_list, list) {
 105                 if (!strncmp(control->wname, name, NAME_SIZE))
 106                         return control->id;
 107         }
 108         dev_warn(module->dev, "%s: missing in modules controls list\n", name);
 109
 110         return -EINVAL;
 111 }
 112
 113 static int gbaudio_map_widgetname(struct gbaudio_module_info *module,
 114                                   const char *name)
 115 {
 116         struct gbaudio_widget *widget;
 117
 118         list_for_each_entry(widget, &module->widget_list, list) {
 119                 if (!strncmp(widget->name, name, NAME_SIZE))
 120                         return widget->id;
 121         }
 122         dev_warn(module->dev, "%s: missing in modules widgets list\n", name);
 123
 124         return -EINVAL;
 125 }
 126
 127 static const char *gbaudio_map_widgetid(struct gbaudio_module_info *module,
 128                                         __u8 widget_id)
 129 {
 130         struct gbaudio_widget *widget;
 131
 132         list_for_each_entry(widget, &module->widget_list, list) {
 133                 if (widget->id == widget_id)
 134                         return widget->name;
 135         }
 136         return NULL;
 137 }
 138
 139 static const char **gb_generate_enum_strings(struct gbaudio_module_info *gb,
 140                                              struct gb_audio_enumerated *gbenum)
 141 {
 142         const char **strings;
 143         int i;
 144         __u8 *data;
 145
 146         strings = devm_kzalloc(gb->dev, sizeof(char *) * gbenum->items,
 147                                GFP_KERNEL);
 148         data = gbenum->names;
 149
 150         for (i = 0; i < gbenum->items; i++) {
 151                 strings[i] = (const char *)data;
 152                 while (*data != '\0')
 153                         data++;
 154                 data++;
 155         }
 156
 157         return strings;
 158 }
 159
 160 static int gbcodec_mixer_ctl_info(struct snd_kcontrol *kcontrol,
 161                      struct snd_ctl_elem_info *uinfo)
 162 {
 163         unsigned int max;
 164         const char *name;
 165         struct gbaudio_ctl_pvt *data;
 166         struct gb_audio_ctl_elem_info *info;
 167         struct gbaudio_module_info *module;
 168         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 169         struct gbaudio_codec_info *gbcodec = snd_soc_codec_get_drvdata(codec);
 170
 171         dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 172         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 173         info = (struct gb_audio_ctl_elem_info *)data->info;
 174
 175         if (!info) {
 176                 dev_err(codec->dev, "NULL info for %s\n", uinfo->id.name);
 177                 return -EINVAL;
 178         }
 179
 180         /* update uinfo */
 181         uinfo->access = data->access;
 182         uinfo->count = data->vcount;
 183         uinfo->type = (snd_ctl_elem_type_t)info->type;
 184
 185         switch (info->type) {
 186         case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
 187         case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
 188                 uinfo->value.integer.min = info->value.integer.min;
 189                 uinfo->value.integer.max = info->value.integer.max;
 190                 break;
 191         case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 192                 max = info->value.enumerated.items;
 193                 uinfo->value.enumerated.items = max;
 194                 if (uinfo->value.enumerated.item > max - 1)
 195                         uinfo->value.enumerated.item = max - 1;
 196                 module = find_gb_module(gbcodec, kcontrol->id.name);
 197                 if (!module)
 198                         return -EINVAL;
 199                 name = gbaudio_map_controlid(module, data->ctl_id,
 200                                              uinfo->value.enumerated.item);
 201                 strlcpy(uinfo->value.enumerated.name, name, NAME_SIZE);
 202                 break;
 203         default:
 204                 dev_err(codec->dev, "Invalid type: %d for %s:kcontrol\n",
 205                         info->type, kcontrol->id.name);
 206                 break;
 207         }
 208         return 0;
 209 }
 210
 211 static int gbcodec_mixer_ctl_get(struct snd_kcontrol *kcontrol,
 212         struct snd_ctl_elem_value *ucontrol)
 213 {
 214         int ret;
 215         struct gb_audio_ctl_elem_info *info;
 216         struct gbaudio_ctl_pvt *data;
 217         struct gb_audio_ctl_elem_value gbvalue;
 218         struct gbaudio_module_info *module;
 219         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 220         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 221         struct gb_bundle *bundle;
 222
 223         dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 224         module = find_gb_module(gb, kcontrol->id.name);
 225         if (!module)
 226                 return -EINVAL;
 227
 228         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 229         info = (struct gb_audio_ctl_elem_info *)data->info;
 230         bundle = to_gb_bundle(module->dev);
 231
 232         ret = gb_pm_runtime_get_sync(bundle);
 233         if (ret)
 234                 return ret;
 235
 236         ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
 237                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 238
 239         gb_pm_runtime_put_autosuspend(bundle);
 240
 241         if (ret) {
 242                 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
 243                                     __func__, kcontrol->id.name);
 244                 return ret;
 245         }
 246
 247         /* update ucontrol */
 248         switch (info->type) {
 249         case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
 250         case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
 251                 ucontrol->value.integer.value[0] =
 252                         gbvalue.value.integer_value[0];
 253                 if (data->vcount == 2)
 254                         ucontrol->value.integer.value[1] =
 255                                 gbvalue.value.integer_value[1];
 256                 break;
 257         case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 258                 ucontrol->value.enumerated.item[0] =
 259                         gbvalue.value.enumerated_item[0];
 260                 if (data->vcount == 2)
 261                         ucontrol->value.enumerated.item[1] =
 262                                 gbvalue.value.enumerated_item[1];
 263                 break;
 264         default:
 265                 dev_err(codec->dev, "Invalid type: %d for %s:kcontrol\n",
 266                         info->type, kcontrol->id.name);
 267                 ret = -EINVAL;
 268                 break;
 269         }
 270         return ret;
 271 }
 272
 273 static int gbcodec_mixer_ctl_put(struct snd_kcontrol *kcontrol,
 274                               struct snd_ctl_elem_value *ucontrol)
 275 {
 276         int ret = 0;
 277         struct gb_audio_ctl_elem_info *info;
 278         struct gbaudio_ctl_pvt *data;
 279         struct gb_audio_ctl_elem_value gbvalue;
 280         struct gbaudio_module_info *module;
 281         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 282         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 283         struct gb_bundle *bundle;
 284
 285         dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 286         module = find_gb_module(gb, kcontrol->id.name);
 287         if (!module)
 288                 return -EINVAL;
 289
 290         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 291         info = (struct gb_audio_ctl_elem_info *)data->info;
 292         bundle = to_gb_bundle(module->dev);
 293
 294         /* update ucontrol */
 295         switch (info->type) {
 296         case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
 297         case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
 298                 gbvalue.value.integer_value[0] =
 299                         ucontrol->value.integer.value[0];
 300                 if (data->vcount == 2)
 301                         gbvalue.value.integer_value[1] =
 302                                 ucontrol->value.integer.value[1];
 303                 break;
 304         case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 305                 gbvalue.value.enumerated_item[0] =
 306                         ucontrol->value.enumerated.item[0];
 307                 if (data->vcount == 2)
 308                         gbvalue.value.enumerated_item[1] =
 309                                 ucontrol->value.enumerated.item[1];
 310                 break;
 311         default:
 312                 dev_err(codec->dev, "Invalid type: %d for %s:kcontrol\n",
 313                         info->type, kcontrol->id.name);
 314                 ret = -EINVAL;
 315                 break;
 316         }
 317
 318         if (ret)
 319                 return ret;
 320
 321         ret = gb_pm_runtime_get_sync(bundle);
 322         if (ret)
 323                 return ret;
 324
 325         ret = gb_audio_gb_set_control(module->mgmt_connection, data->ctl_id,
 326                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 327
 328         gb_pm_runtime_put_autosuspend(bundle);
 329
 330         if (ret) {
 331                 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
 332                                     __func__, kcontrol->id.name);
 333         }
 334
 335         return ret;
 336 }
 337
 338 #define SOC_MIXER_GB(xname, kcount, data) \
 339 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 340         .count = kcount, .info = gbcodec_mixer_ctl_info, \
 341         .get = gbcodec_mixer_ctl_get, .put = gbcodec_mixer_ctl_put, \
 342         .private_value = (unsigned long)data }
 343
 344 /*
 345  * although below callback functions seems redundant to above functions.
 346  * same are kept to allow provision for different handling in case
 347  * of DAPM related sequencing, etc.
 348  */
 349 static int gbcodec_mixer_dapm_ctl_info(struct snd_kcontrol *kcontrol,
 350                      struct snd_ctl_elem_info *uinfo)
 351 {
 352         int platform_max, platform_min;
 353         struct gbaudio_ctl_pvt *data;
 354         struct gb_audio_ctl_elem_info *info;
 355         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 356         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 357         struct snd_soc_codec *codec = widget->codec;
 358
 359         dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 360         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 361         info = (struct gb_audio_ctl_elem_info *)data->info;
 362
 363         /* update uinfo */
 364         platform_max = info->value.integer.max;
 365         platform_min = info->value.integer.min;
 366
 367         if (platform_max == 1 &&
 368             !strnstr(kcontrol->id.name, " Volume", NAME_SIZE))
 369                 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 370         else
 371                 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 372
 373         uinfo->count = data->vcount;
 374         uinfo->value.integer.min = 0;
 375         if (info->value.integer.min < 0 &&
 376             (uinfo->type == SNDRV_CTL_ELEM_TYPE_INTEGER))
 377                 uinfo->value.integer.max = platform_max - platform_min;
 378         else
 379                 uinfo->value.integer.max = platform_max;
 380
 381         return 0;
 382 }
 383
 384 static int gbcodec_mixer_dapm_ctl_get(struct snd_kcontrol *kcontrol,
 385         struct snd_ctl_elem_value *ucontrol)
 386 {
 387         int ret;
 388         struct gb_audio_ctl_elem_info *info;
 389         struct gbaudio_ctl_pvt *data;
 390         struct gb_audio_ctl_elem_value gbvalue;
 391         struct gbaudio_module_info *module;
 392         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 393         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 394         struct snd_soc_codec *codec = widget->codec;
 395         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 396         struct gb_bundle *bundle;
 397
 398         dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 399         module = find_gb_module(gb, kcontrol->id.name);
 400         if (!module)
 401                 return -EINVAL;
 402
 403         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 404         info = (struct gb_audio_ctl_elem_info *)data->info;
 405         bundle = to_gb_bundle(module->dev);
 406
 407         if (data->vcount == 2)
 408                 dev_warn(widget->dapm->dev,
 409                          "GB: Control '%s' is stereo, which is not supported\n",
 410                          kcontrol->id.name);
 411
 412         ret = gb_pm_runtime_get_sync(bundle);
 413         if (ret)
 414                 return ret;
 415
 416         ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
 417                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 418
 419         gb_pm_runtime_put_autosuspend(bundle);
 420
 421         if (ret) {
 422                 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
 423                                     __func__, kcontrol->id.name);
 424                 return ret;
 425         }
 426         /* update ucontrol */
 427         ucontrol->value.integer.value[0] = gbvalue.value.integer_value[0];
 428
 429         return ret;
 430 }
 431
 432 static int gbcodec_mixer_dapm_ctl_put(struct snd_kcontrol *kcontrol,
 433                               struct snd_ctl_elem_value *ucontrol)
 434 {
 435         int ret, wi, max, connect;
 436         unsigned int mask, val;
 437         struct gb_audio_ctl_elem_info *info;
 438         struct gbaudio_ctl_pvt *data;
 439         struct gb_audio_ctl_elem_value gbvalue;
 440         struct gbaudio_module_info *module;
 441         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 442         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 443         struct snd_soc_codec *codec = widget->codec;
 444         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 445         struct gb_bundle *bundle;
 446
 447         dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 448         module = find_gb_module(gb, kcontrol->id.name);
 449         if (!module)
 450                 return -EINVAL;
 451
 452         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 453         info = (struct gb_audio_ctl_elem_info *)data->info;
 454         bundle = to_gb_bundle(module->dev);
 455
 456         if (data->vcount == 2)
 457                 dev_warn(widget->dapm->dev,
 458                          "GB: Control '%s' is stereo, which is not supported\n",
 459                          kcontrol->id.name);
 460
 461         max = info->value.integer.max;
 462         mask = (1 << fls(max)) - 1;
 463         val = ucontrol->value.integer.value[0] & mask;
 464         connect = !!val;
 465
 466         /* update ucontrol */
 467         if (gbvalue.value.integer_value[0] != val) {
 468                 for (wi = 0; wi < wlist->num_widgets; wi++) {
 469                         widget = wlist->widgets[wi];
 470
 471                         widget->value = val;
 472                         widget->dapm->update = NULL;
 473                         snd_soc_dapm_mixer_update_power(widget, kcontrol,
 474                                                         connect);
 475                 }
 476                 gbvalue.value.integer_value[0] =
 477                         ucontrol->value.integer.value[0];
 478
 479                 ret = gb_pm_runtime_get_sync(bundle);
 480                 if (ret)
 481                         return ret;
 482
 483                 ret = gb_audio_gb_set_control(module->mgmt_connection,
 484                                               data->ctl_id,
 485                                               GB_AUDIO_INVALID_INDEX, &gbvalue);
 486
 487                 gb_pm_runtime_put_autosuspend(bundle);
 488
 489                 if (ret) {
 490                         dev_err_ratelimited(codec->dev,
 491                                             "%d:Error in %s for %s\n", ret,
 492                                             __func__, kcontrol->id.name);
 493                         return ret;
 494                 }
 495         }
 496
 497         return 0;
 498 }
 499
 500 #define SOC_DAPM_MIXER_GB(xname, kcount, data) \
 501 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 502         .count = kcount, .info = gbcodec_mixer_dapm_ctl_info, \
 503         .get = gbcodec_mixer_dapm_ctl_get, .put = gbcodec_mixer_dapm_ctl_put, \
 504         .private_value = (unsigned long)data}
 505
 506 static int gbcodec_event_spk(struct snd_soc_dapm_widget *w,
 507                                         struct snd_kcontrol *k, int event)
 508 {
 509         /* Ensure GB speaker is connected */
 510
 511         return 0;
 512 }
 513
 514 static int gbcodec_event_hp(struct snd_soc_dapm_widget *w,
 515                                         struct snd_kcontrol *k, int event)
 516 {
 517         /* Ensure GB module supports jack slot */
 518
 519         return 0;
 520 }
 521
 522 static int gbcodec_event_int_mic(struct snd_soc_dapm_widget *w,
 523                                         struct snd_kcontrol *k, int event)
 524 {
 525         /* Ensure GB module supports jack slot */
 526
 527         return 0;
 528 }
 529
 530 static int gbaudio_validate_kcontrol_count(struct gb_audio_widget *w)
 531 {
 532         int ret = 0;
 533
 534         switch (w->type) {
 535         case snd_soc_dapm_spk:
 536         case snd_soc_dapm_hp:
 537         case snd_soc_dapm_mic:
 538         case snd_soc_dapm_output:
 539         case snd_soc_dapm_input:
 540                 if (w->ncontrols)
 541                         ret = -EINVAL;
 542                 break;
 543         case snd_soc_dapm_switch:
 544         case snd_soc_dapm_mux:
 545                 if (w->ncontrols != 1)
 546                         ret = -EINVAL;
 547                 break;
 548         default:
 549                 break;
 550         }
 551
 552         return ret;
 553 }
 554
 555 static int gbcodec_enum_ctl_get(struct snd_kcontrol *kcontrol,
 556                                 struct snd_ctl_elem_value *ucontrol)
 557 {
 558         int ret, ctl_id;
 559         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 560         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 561         struct gb_audio_ctl_elem_value gbvalue;
 562         struct gbaudio_module_info *module;
 563         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 564         struct gb_bundle *bundle;
 565
 566         module = find_gb_module(gb, kcontrol->id.name);
 567         if (!module)
 568                 return -EINVAL;
 569
 570         ctl_id = gbaudio_map_controlname(module, kcontrol->id.name);
 571         if (ctl_id < 0)
 572                 return -EINVAL;
 573
 574         bundle = to_gb_bundle(module->dev);
 575
 576         ret = gb_pm_runtime_get_sync(bundle);
 577         if (ret)
 578                 return ret;
 579
 580         ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
 581                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 582
 583         gb_pm_runtime_put_autosuspend(bundle);
 584
 585         if (ret) {
 586                 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
 587                                     __func__, kcontrol->id.name);
 588                 return ret;
 589         }
 590
 591         ucontrol->value.enumerated.item[0] = gbvalue.value.enumerated_item[0];
 592         if (e->shift_l != e->shift_r)
 593                 ucontrol->value.enumerated.item[1] =
 594                         gbvalue.value.enumerated_item[1];
 595
 596         return 0;
 597 }
 598
 599 static int gbcodec_enum_ctl_put(struct snd_kcontrol *kcontrol,
 600                                 struct snd_ctl_elem_value *ucontrol)
 601 {
 602         int ret, ctl_id;
 603         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 604         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 605         struct gb_audio_ctl_elem_value gbvalue;
 606         struct gbaudio_module_info *module;
 607         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 608         struct gb_bundle *bundle;
 609
 610         module = find_gb_module(gb, kcontrol->id.name);
 611         if (!module)
 612                 return -EINVAL;
 613
 614         ctl_id = gbaudio_map_controlname(module, kcontrol->id.name);
 615         if (ctl_id < 0)
 616                 return -EINVAL;
 617
 618         if (ucontrol->value.enumerated.item[0] > e->max - 1)
 619                 return -EINVAL;
 620         gbvalue.value.enumerated_item[0] = ucontrol->value.enumerated.item[0];
 621
 622         if (e->shift_l != e->shift_r) {
 623                 if (ucontrol->value.enumerated.item[1] > e->max - 1)
 624                         return -EINVAL;
 625                 gbvalue.value.enumerated_item[1] =
 626                         ucontrol->value.enumerated.item[1];
 627         }
 628
 629         bundle = to_gb_bundle(module->dev);
 630
 631         ret = gb_pm_runtime_get_sync(bundle);
 632         if (ret)
 633                 return ret;
 634
 635         ret = gb_audio_gb_set_control(module->mgmt_connection, ctl_id,
 636                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 637
 638         gb_pm_runtime_put_autosuspend(bundle);
 639
 640         if (ret) {
 641                 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
 642                                     __func__, kcontrol->id.name);
 643         }
 644
 645         return ret;
 646 }
 647
 648 static int gbaudio_tplg_create_enum_kctl(struct gbaudio_module_info *gb,
 649                                          struct snd_kcontrol_new *kctl,
 650                                          struct gb_audio_control *ctl)
 651 {
 652         struct soc_enum *gbe;
 653         struct gb_audio_enumerated *gb_enum;
 654         int i;
 655
 656         gbe = devm_kzalloc(gb->dev, sizeof(*gbe), GFP_KERNEL);
 657         if (!gbe)
 658                 return -ENOMEM;
 659
 660         gb_enum = &ctl->info.value.enumerated;
 661
 662         /* since count=1, and reg is dummy */
 663         gbe->max = gb_enum->items;
 664         gbe->texts = gb_generate_enum_strings(gb, gb_enum);
 665
 666         /* debug enum info */
 667         dev_dbg(gb->dev, "Max:%d, name_length:%d\n", gb_enum->items,
 668                  gb_enum->names_length);
 669         for (i = 0; i < gb_enum->items; i++)
 670                 dev_dbg(gb->dev, "src[%d]: %s\n", i, gbe->texts[i]);
 671
 672         *kctl = (struct snd_kcontrol_new)
 673                 SOC_ENUM_EXT(ctl->name, *gbe, gbcodec_enum_ctl_get,
 674                              gbcodec_enum_ctl_put);
 675         return 0;
 676 }
 677
 678 static int gbaudio_tplg_create_kcontrol(struct gbaudio_module_info *gb,
 679                                         struct snd_kcontrol_new *kctl,
 680                                         struct gb_audio_control *ctl)
 681 {
 682         int ret = 0;
 683         struct gbaudio_ctl_pvt *ctldata;
 684
 685         switch (ctl->iface) {
 686         case SNDRV_CTL_ELEM_IFACE_MIXER:
 687                 switch (ctl->info.type) {
 688                 case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 689                         ret = gbaudio_tplg_create_enum_kctl(gb, kctl, ctl);
 690                         break;
 691                 default:
 692                         ctldata = devm_kzalloc(gb->dev,
 693                                                sizeof(struct gbaudio_ctl_pvt),
 694                                                GFP_KERNEL);
 695                         if (!ctldata)
 696                                 return -ENOMEM;
 697                         ctldata->ctl_id = ctl->id;
 698                         ctldata->data_cport = ctl->data_cport;
 699                         ctldata->access = ctl->access;
 700                         ctldata->vcount = ctl->count_values;
 701                         ctldata->info = &ctl->info;
 702                         *kctl = (struct snd_kcontrol_new)
 703                                 SOC_MIXER_GB(ctl->name, ctl->count, ctldata);
 704                         ctldata = NULL;
 705                         break;
 706                 }
 707                 break;
 708         default:
 709                 return -EINVAL;
 710         }
 711
 712         dev_dbg(gb->dev, "%s:%d control created\n", ctl->name, ctl->id);
 713         return ret;
 714 }
 715
 716 static int gbcodec_enum_dapm_ctl_get(struct snd_kcontrol *kcontrol,
 717                                      struct snd_ctl_elem_value *ucontrol)
 718 {
 719         int ret, ctl_id;
 720         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 721         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 722         struct gbaudio_module_info *module;
 723         struct gb_audio_ctl_elem_value gbvalue;
 724         struct snd_soc_codec *codec = widget->codec;
 725         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 726         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 727         struct gb_bundle *bundle;
 728
 729         module = find_gb_module(gb, kcontrol->id.name);
 730         if (!module)
 731                 return -EINVAL;
 732
 733         ctl_id = gbaudio_map_wcontrolname(module, kcontrol->id.name);
 734         if (ctl_id < 0)
 735                 return -EINVAL;
 736
 737         bundle = to_gb_bundle(module->dev);
 738
 739         ret = gb_pm_runtime_get_sync(bundle);
 740         if (ret)
 741                 return ret;
 742
 743         ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
 744                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 745
 746         gb_pm_runtime_put_autosuspend(bundle);
 747
 748         if (ret) {
 749                 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
 750                                     __func__, kcontrol->id.name);
 751                 return ret;
 752         }
 753
 754         ucontrol->value.enumerated.item[0] = gbvalue.value.enumerated_item[0];
 755         if (e->shift_l != e->shift_r)
 756                 ucontrol->value.enumerated.item[1] =
 757                         gbvalue.value.enumerated_item[1];
 758
 759         return 0;
 760 }
 761
 762 static int gbcodec_enum_dapm_ctl_put(struct snd_kcontrol *kcontrol,
 763                                      struct snd_ctl_elem_value *ucontrol)
 764 {
 765         int ret, wi, ctl_id;
 766         unsigned int val, mux, change;
 767         unsigned int mask;
 768         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 769         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 770         struct gb_audio_ctl_elem_value gbvalue;
 771         struct gbaudio_module_info *module;
 772         struct snd_soc_codec *codec = widget->codec;
 773         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 774         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 775         struct gb_bundle *bundle;
 776
 777         if (ucontrol->value.enumerated.item[0] > e->max - 1)
 778                 return -EINVAL;
 779
 780         module = find_gb_module(gb, kcontrol->id.name);
 781         if (!module)
 782                 return -EINVAL;
 783
 784         ctl_id = gbaudio_map_wcontrolname(module, kcontrol->id.name);
 785         if (ctl_id < 0)
 786                 return -EINVAL;
 787
 788         change = 0;
 789         bundle = to_gb_bundle(module->dev);
 790
 791         ret = gb_pm_runtime_get_sync(bundle);
 792         if (ret)
 793                 return ret;
 794
 795         ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
 796                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 797
 798         gb_pm_runtime_put_autosuspend(bundle);
 799
 800         if (ret) {
 801                 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
 802                                     __func__, kcontrol->id.name);
 803                 return ret;
 804         }
 805
 806         mux = ucontrol->value.enumerated.item[0];
 807         val = mux << e->shift_l;
 808         mask = e->mask << e->shift_l;
 809
 810         if (gbvalue.value.enumerated_item[0] !=
 811             ucontrol->value.enumerated.item[0]) {
 812                 change = 1;
 813                 gbvalue.value.enumerated_item[0] =
 814                         ucontrol->value.enumerated.item[0];
 815         }
 816
 817         if (e->shift_l != e->shift_r) {
 818                 if (ucontrol->value.enumerated.item[1] > e->max - 1)
 819                         return -EINVAL;
 820                 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
 821                 mask |= e->mask << e->shift_r;
 822                 if (gbvalue.value.enumerated_item[1] !=
 823                     ucontrol->value.enumerated.item[1]) {
 824                         change = 1;
 825                         gbvalue.value.enumerated_item[1] =
 826                                 ucontrol->value.enumerated.item[1];
 827                 }
 828         }
 829
 830         if (change) {
 831                 ret = gb_pm_runtime_get_sync(bundle);
 832                 if (ret)
 833                         return ret;
 834
 835                 ret = gb_audio_gb_set_control(module->mgmt_connection, ctl_id,
 836                                               GB_AUDIO_INVALID_INDEX, &gbvalue);
 837
 838                 gb_pm_runtime_put_autosuspend(bundle);
 839
 840                 if (ret) {
 841                         dev_err_ratelimited(codec->dev,
 842                                             "%d:Error in %s for %s\n", ret,
 843                                             __func__, kcontrol->id.name);
 844                 }
 845                 for (wi = 0; wi < wlist->num_widgets; wi++) {
 846                         widget = wlist->widgets[wi];
 847
 848                         widget->value = val;
 849                         widget->dapm->update = NULL;
 850                         snd_soc_dapm_mux_update_power(widget, kcontrol, mux, e);
 851                 }
 852         }
 853
 854         return change;
 855 }
 856
 857 static int gbaudio_tplg_create_enum_ctl(struct gbaudio_module_info *gb,
 858                                         struct snd_kcontrol_new *kctl,
 859                                         struct gb_audio_control *ctl)
 860 {
 861         struct soc_enum *gbe;
 862         struct gb_audio_enumerated *gb_enum;
 863         int i;
 864
 865         gbe = devm_kzalloc(gb->dev, sizeof(*gbe), GFP_KERNEL);
 866         if (!gbe)
 867                 return -ENOMEM;
 868
 869         gb_enum = &ctl->info.value.enumerated;
 870
 871         /* since count=1, and reg is dummy */
 872         gbe->max = gb_enum->items;
 873         gbe->texts = gb_generate_enum_strings(gb, gb_enum);
 874
 875         /* debug enum info */
 876         dev_dbg(gb->dev, "Max:%d, name_length:%d\n", gb_enum->items,
 877                  gb_enum->names_length);
 878         for (i = 0; i < gb_enum->items; i++)
 879                 dev_dbg(gb->dev, "src[%d]: %s\n", i, gbe->texts[i]);
 880
 881         *kctl = (struct snd_kcontrol_new)
 882                 SOC_DAPM_ENUM_EXT(ctl->name, *gbe, gbcodec_enum_dapm_ctl_get,
 883                                   gbcodec_enum_dapm_ctl_put);
 884         return 0;
 885 }
 886
 887 static int gbaudio_tplg_create_mixer_ctl(struct gbaudio_module_info *gb,
 888                                              struct snd_kcontrol_new *kctl,
 889                                              struct gb_audio_control *ctl)
 890 {
 891         struct gbaudio_ctl_pvt *ctldata;
 892
 893         ctldata = devm_kzalloc(gb->dev, sizeof(struct gbaudio_ctl_pvt),
 894                                GFP_KERNEL);
 895         if (!ctldata)
 896                 return -ENOMEM;
 897         ctldata->ctl_id = ctl->id;
 898         ctldata->data_cport = ctl->data_cport;
 899         ctldata->access = ctl->access;
 900         ctldata->vcount = ctl->count_values;
 901         ctldata->info = &ctl->info;
 902         *kctl = (struct snd_kcontrol_new)
 903                 SOC_DAPM_MIXER_GB(ctl->name, ctl->count, ctldata);
 904
 905         return 0;
 906 }
 907
 908 static int gbaudio_tplg_create_wcontrol(struct gbaudio_module_info *gb,
 909                                              struct snd_kcontrol_new *kctl,
 910                                              struct gb_audio_control *ctl)
 911 {
 912         int ret;
 913
 914         switch (ctl->iface) {
 915         case SNDRV_CTL_ELEM_IFACE_MIXER:
 916                 switch (ctl->info.type) {
 917                 case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 918                         ret = gbaudio_tplg_create_enum_ctl(gb, kctl, ctl);
 919                         break;
 920                 default:
 921                         ret = gbaudio_tplg_create_mixer_ctl(gb, kctl, ctl);
 922                         break;
 923                 }
 924                 break;
 925         default:
 926                 return -EINVAL;
 927
 928         }
 929
 930         dev_dbg(gb->dev, "%s:%d DAPM control created, ret:%d\n", ctl->name,
 931                 ctl->id, ret);
 932         return ret;
 933 }
 934
 935 static int gbaudio_widget_event(struct snd_soc_dapm_widget *w,
 936                                 struct snd_kcontrol *kcontrol, int event)
 937 {
 938         int wid;
 939         int ret;
 940         struct snd_soc_codec *codec = w->codec;
 941         struct gbaudio_codec_info *gbcodec = snd_soc_codec_get_drvdata(codec);
 942         struct gbaudio_module_info *module;
 943         struct gb_bundle *bundle;
 944
 945         dev_dbg(codec->dev, "%s %s %d\n", __func__, w->name, event);
 946
 947         /* Find relevant module */
 948         module = find_gb_module(gbcodec, w->name);
 949         if (!module)
 950                 return -EINVAL;
 951
 952         /* map name to widget id */
 953         wid = gbaudio_map_widgetname(module, w->name);
 954         if (wid < 0) {
 955                 dev_err(codec->dev, "Invalid widget name:%s\n", w->name);
 956                 return -EINVAL;
 957         }
 958
 959         bundle = to_gb_bundle(module->dev);
 960
 961         ret = gb_pm_runtime_get_sync(bundle);
 962         if (ret)
 963                 return ret;
 964
 965         switch (event) {
 966         case SND_SOC_DAPM_PRE_PMU:
 967                 ret = gb_audio_gb_enable_widget(module->mgmt_connection, wid);
 968                 if (!ret)
 969                         ret = gbaudio_module_update(gbcodec, w, module, 1);
 970                 break;
 971         case SND_SOC_DAPM_POST_PMD:
 972                 ret = gb_audio_gb_disable_widget(module->mgmt_connection, wid);
 973                 if (!ret)
 974                         ret = gbaudio_module_update(gbcodec, w, module, 0);
 975                 break;
 976         }
 977         if (ret)
 978                 dev_err_ratelimited(codec->dev,
 979                                     "%d: widget, event:%d failed:%d\n", wid,
 980                                     event, ret);
 981
 982         gb_pm_runtime_put_autosuspend(bundle);
 983
 984         return ret;
 985 }
 986
 987 static int gbaudio_tplg_create_widget(struct gbaudio_module_info *module,
 988                                       struct snd_soc_dapm_widget *dw,
 989                                       struct gb_audio_widget *w, int *w_size)
 990 {
 991         int i, ret, csize;
 992         struct snd_kcontrol_new *widget_kctls;
 993         struct gb_audio_control *curr;
 994         struct gbaudio_control *control, *_control;
 995         size_t size;
 996         char temp_name[NAME_SIZE];
 997
 998         ret = gbaudio_validate_kcontrol_count(w);
 999         if (ret) {
1000                 dev_err(module->dev, "Inavlid kcontrol count=%d for %s\n",
1001                         w->ncontrols, w->name);
1002                 return ret;
1003         }
1004
1005         /* allocate memory for kcontrol */
1006         if (w->ncontrols) {
1007                 size = sizeof(struct snd_kcontrol_new) * w->ncontrols;
1008                 widget_kctls = devm_kzalloc(module->dev, size, GFP_KERNEL);
1009                 if (!widget_kctls)
1010                         return -ENOMEM;
1011         }
1012
1013         *w_size = sizeof(struct gb_audio_widget);
1014
1015         /* create relevant kcontrols */
1016         curr = w->ctl;
1017         for (i = 0; i < w->ncontrols; i++) {
1018                 ret = gbaudio_tplg_create_wcontrol(module, &widget_kctls[i],
1019                                                    curr);
1020                 if (ret) {
1021                         dev_err(module->dev,
1022                                 "%s:%d type widget_ctl not supported\n",
1023                                 curr->name, curr->iface);
1024                         goto error;
1025                 }
1026                 control = devm_kzalloc(module->dev,
1027                                        sizeof(struct gbaudio_control),
1028                                        GFP_KERNEL);
1029                 if (!control) {
1030                         ret = -ENOMEM;
1031                         goto error;
1032                 }
1033                 control->id = curr->id;
1034                 control->name = curr->name;
1035                 control->wname = w->name;
1036
1037                 if (curr->info.type == GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED) {
1038                         struct gb_audio_enumerated *gbenum =
1039                                 &curr->info.value.enumerated;
1040
1041                         csize = offsetof(struct gb_audio_control, info);
1042                         csize += offsetof(struct gb_audio_ctl_elem_info, value);
1043                         csize += offsetof(struct gb_audio_enumerated, names);
1044                         csize += gbenum->names_length;
1045                         control->texts = (const char * const *)
1046                                 gb_generate_enum_strings(module, gbenum);
1047                         control->items = gbenum->items;
1048                 } else {
1049                         csize = sizeof(struct gb_audio_control);
1050                 }
1051
1052                 *w_size += csize;
1053                 curr = (void *)curr + csize;
1054                 list_add(&control->list, &module->widget_ctl_list);
1055                 dev_dbg(module->dev, "%s: control of type %d created\n",
1056                         widget_kctls[i].name, widget_kctls[i].iface);
1057         }
1058
1059         /* Prefix dev_id to widget control_name */
1060         strlcpy(temp_name, w->name, NAME_SIZE);
1061         snprintf(w->name, NAME_SIZE, "GB %d %s", module->dev_id, temp_name);
1062
1063         switch (w->type) {
1064         case snd_soc_dapm_spk:
1065                 *dw = (struct snd_soc_dapm_widget)
1066                         SND_SOC_DAPM_SPK(w->name, gbcodec_event_spk);
1067                 module->op_devices |= GBAUDIO_DEVICE_OUT_SPEAKER;
1068                 break;
1069         case snd_soc_dapm_hp:
1070                 *dw = (struct snd_soc_dapm_widget)
1071                         SND_SOC_DAPM_HP(w->name, gbcodec_event_hp);
1072                 module->op_devices |= (GBAUDIO_DEVICE_OUT_WIRED_HEADSET
1073                                         | GBAUDIO_DEVICE_OUT_WIRED_HEADPHONE);
1074                 module->ip_devices |= GBAUDIO_DEVICE_IN_WIRED_HEADSET;
1075                 break;
1076         case snd_soc_dapm_mic:
1077                 *dw = (struct snd_soc_dapm_widget)
1078                         SND_SOC_DAPM_MIC(w->name, gbcodec_event_int_mic);
1079                 module->ip_devices |= GBAUDIO_DEVICE_IN_BUILTIN_MIC;
1080                 break;
1081         case snd_soc_dapm_output:
1082                 *dw = (struct snd_soc_dapm_widget)SND_SOC_DAPM_OUTPUT(w->name);
1083                 break;
1084         case snd_soc_dapm_input:
1085                 *dw = (struct snd_soc_dapm_widget)SND_SOC_DAPM_INPUT(w->name);
1086                 break;
1087         case snd_soc_dapm_switch:
1088                 *dw = (struct snd_soc_dapm_widget)
1089                         SND_SOC_DAPM_SWITCH_E(w->name, SND_SOC_NOPM, 0, 0,
1090                                             widget_kctls, gbaudio_widget_event,
1091                                             SND_SOC_DAPM_PRE_PMU |
1092                                             SND_SOC_DAPM_POST_PMD);
1093                 break;
1094         case snd_soc_dapm_pga:
1095                 *dw = (struct snd_soc_dapm_widget)
1096                         SND_SOC_DAPM_PGA_E(w->name, SND_SOC_NOPM, 0, 0, NULL, 0,
1097                                            gbaudio_widget_event,
1098                                            SND_SOC_DAPM_PRE_PMU |
1099                                            SND_SOC_DAPM_POST_PMD);
1100                 break;
1101         case snd_soc_dapm_mixer:
1102                 *dw = (struct snd_soc_dapm_widget)
1103                         SND_SOC_DAPM_MIXER_E(w->name, SND_SOC_NOPM, 0, 0, NULL,
1104                                            0, gbaudio_widget_event,
1105                                            SND_SOC_DAPM_PRE_PMU |
1106                                            SND_SOC_DAPM_POST_PMD);
1107                 break;
1108         case snd_soc_dapm_mux:
1109                 *dw = (struct snd_soc_dapm_widget)
1110                         SND_SOC_DAPM_MUX_E(w->name, SND_SOC_NOPM, 0, 0,
1111                                          widget_kctls, gbaudio_widget_event,
1112                                          SND_SOC_DAPM_PRE_PMU |
1113                                          SND_SOC_DAPM_POST_PMD);
1114                 break;
1115         case snd_soc_dapm_aif_in:
1116                 *dw = (struct snd_soc_dapm_widget)
1117                         SND_SOC_DAPM_AIF_IN_E(w->name, w->sname, 0,
1118                                               SND_SOC_NOPM,
1119                                               0, 0, gbaudio_widget_event,
1120                                               SND_SOC_DAPM_PRE_PMU |
1121                                               SND_SOC_DAPM_POST_PMD);
1122                 break;
1123         case snd_soc_dapm_aif_out:
1124                 *dw = (struct snd_soc_dapm_widget)
1125                         SND_SOC_DAPM_AIF_OUT_E(w->name, w->sname, 0,
1126                                                SND_SOC_NOPM,
1127                                                0, 0, gbaudio_widget_event,
1128                                                SND_SOC_DAPM_PRE_PMU |
1129                                                SND_SOC_DAPM_POST_PMD);
1130                 break;
1131         default:
1132                 ret = -EINVAL;
1133                 goto error;
1134         }
1135
1136         dev_dbg(module->dev, "%s: widget of type %d created\n", dw->name,
1137                 dw->id);
1138         return 0;
1139 error:
1140         list_for_each_entry_safe(control, _control, &module->widget_ctl_list,
1141                                  list) {
1142                 list_del(&control->list);
1143                 devm_kfree(module->dev, control);
1144         }
1145         return ret;
1146 }
1147
1148 static int gbaudio_tplg_process_kcontrols(struct gbaudio_module_info *module,
1149                                    struct gb_audio_control *controls)
1150 {
1151         int i, csize, ret;
1152         struct snd_kcontrol_new *dapm_kctls;
1153         struct gb_audio_control *curr;
1154         struct gbaudio_control *control, *_control;
1155         size_t size;
1156         char temp_name[NAME_SIZE];
1157
1158         size = sizeof(struct snd_kcontrol_new) * module->num_controls;
1159         dapm_kctls = devm_kzalloc(module->dev, size, GFP_KERNEL);
1160         if (!dapm_kctls)
1161                 return -ENOMEM;
1162
1163         curr = controls;
1164         for (i = 0; i < module->num_controls; i++) {
1165                 ret = gbaudio_tplg_create_kcontrol(module, &dapm_kctls[i],
1166                                                    curr);
1167                 if (ret) {
1168                         dev_err(module->dev, "%s:%d type not supported\n",
1169                                 curr->name, curr->iface);
1170                         goto error;
1171                 }
1172                 control = devm_kzalloc(module->dev, sizeof(struct
1173                                                            gbaudio_control),
1174                                       GFP_KERNEL);
1175                 if (!control) {
1176                         ret = -ENOMEM;
1177                         goto error;
1178                 }
1179                 control->id = curr->id;
1180                 /* Prefix dev_id to widget_name */
1181                 strlcpy(temp_name, curr->name, NAME_SIZE);
1182                 snprintf(curr->name, NAME_SIZE, "GB %d %s", module->dev_id,
1183                          temp_name);
1184                 control->name = curr->name;
1185                 if (curr->info.type == GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED) {
1186                         struct gb_audio_enumerated *gbenum =
1187                                 &curr->info.value.enumerated;
1188
1189                         csize = offsetof(struct gb_audio_control, info);
1190                         csize += offsetof(struct gb_audio_ctl_elem_info, value);
1191                         csize += offsetof(struct gb_audio_enumerated, names);
1192                         csize += gbenum->names_length;
1193                         control->texts = (const char * const *)
1194                                 gb_generate_enum_strings(module, gbenum);
1195                         control->items = gbenum->items;
1196                 } else {
1197                         csize = sizeof(struct gb_audio_control);
1198                 }
1199
1200                 list_add(&control->list, &module->ctl_list);
1201                 dev_dbg(module->dev, "%d:%s created of type %d\n", curr->id,
1202                         curr->name, curr->info.type);
1203                 curr = (void *)curr + csize;
1204         }
1205         module->controls = dapm_kctls;
1206
1207         return 0;
1208 error:
1209         list_for_each_entry_safe(control, _control, &module->ctl_list,
1210                                  list) {
1211                 list_del(&control->list);
1212                 devm_kfree(module->dev, control);
1213         }
1214         devm_kfree(module->dev, dapm_kctls);
1215         return ret;
1216 }
1217
1218 static int gbaudio_tplg_process_widgets(struct gbaudio_module_info *module,
1219                                    struct gb_audio_widget *widgets)
1220 {
1221         int i, ret, w_size;
1222         struct snd_soc_dapm_widget *dapm_widgets;
1223         struct gb_audio_widget *curr;
1224         struct gbaudio_widget *widget, *_widget;
1225         size_t size;
1226
1227         size = sizeof(struct snd_soc_dapm_widget) * module->num_dapm_widgets;
1228         dapm_widgets = devm_kzalloc(module->dev, size, GFP_KERNEL);
1229         if (!dapm_widgets)
1230                 return -ENOMEM;
1231
1232         curr = widgets;
1233         for (i = 0; i < module->num_dapm_widgets; i++) {
1234                 ret = gbaudio_tplg_create_widget(module, &dapm_widgets[i],
1235                                                  curr, &w_size);
1236                 if (ret) {
1237                         dev_err(module->dev, "%s:%d type not supported\n",
1238                                 curr->name, curr->type);
1239                         goto error;
1240                 }
1241                 widget = devm_kzalloc(module->dev, sizeof(struct
1242                                                            gbaudio_widget),
1243                                       GFP_KERNEL);
1244                 if (!widget) {
1245                         ret = -ENOMEM;
1246                         goto error;
1247                 }
1248                 widget->id = curr->id;
1249                 widget->name = curr->name;
1250                 list_add(&widget->list, &module->widget_list);
1251                 curr = (void *)curr + w_size;
1252         }
1253         module->dapm_widgets = dapm_widgets;
1254
1255         return 0;
1256
1257 error:
1258         list_for_each_entry_safe(widget, _widget, &module->widget_list,
1259                                  list) {
1260                 list_del(&widget->list);
1261                 devm_kfree(module->dev, widget);
1262         }
1263         devm_kfree(module->dev, dapm_widgets);
1264         return ret;
1265 }
1266
1267 static int gbaudio_tplg_process_routes(struct gbaudio_module_info *module,
1268                                    struct gb_audio_route *routes)
1269 {
1270         int i, ret;
1271         struct snd_soc_dapm_route *dapm_routes;
1272         struct gb_audio_route *curr;
1273         size_t size;
1274
1275         size = sizeof(struct snd_soc_dapm_route) * module->num_dapm_routes;
1276         dapm_routes = devm_kzalloc(module->dev, size, GFP_KERNEL);
1277         if (!dapm_routes)
1278                 return -ENOMEM;
1279
1280         module->dapm_routes = dapm_routes;
1281         curr = routes;
1282
1283         for (i = 0; i < module->num_dapm_routes; i++) {
1284                 dapm_routes->sink =
1285                         gbaudio_map_widgetid(module, curr->destination_id);
1286                 if (!dapm_routes->sink) {
1287                         dev_err(module->dev, "%d:%d:%d:%d - Invalid sink\n",
1288                                 curr->source_id, curr->destination_id,
1289                                 curr->control_id, curr->index);
1290                         ret = -EINVAL;
1291                         goto error;
1292                 }
1293                 dapm_routes->source =
1294                         gbaudio_map_widgetid(module, curr->source_id);
1295                 if (!dapm_routes->source) {
1296                         dev_err(module->dev, "%d:%d:%d:%d - Invalid source\n",
1297                                 curr->source_id, curr->destination_id,
1298                                 curr->control_id, curr->index);
1299                         ret = -EINVAL;
1300                         goto error;
1301                 }
1302                 dapm_routes->control =
1303                         gbaudio_map_controlid(module,
1304                                                       curr->control_id,
1305                                                       curr->index);
1306                 if ((curr->control_id !=  GBAUDIO_INVALID_ID) &&
1307                     !dapm_routes->control) {
1308                         dev_err(module->dev, "%d:%d:%d:%d - Invalid control\n",
1309                                 curr->source_id, curr->destination_id,
1310                                 curr->control_id, curr->index);
1311                         ret = -EINVAL;
1312                         goto error;
1313                 }
1314                 dev_dbg(module->dev, "Route {%s, %s, %s}\n", dapm_routes->sink,
1315                         (dapm_routes->control) ? dapm_routes->control:"NULL",
1316                         dapm_routes->source);
1317                 dapm_routes++;
1318                 curr++;
1319         }
1320
1321         return 0;
1322
1323 error:
1324         devm_kfree(module->dev, module->dapm_routes);
1325         return ret;
1326 }
1327
1328 static int gbaudio_tplg_process_header(struct gbaudio_module_info *module,
1329                                  struct gb_audio_topology *tplg_data)
1330 {
1331         /* fetch no. of kcontrols, widgets & routes */
1332         module->num_controls = tplg_data->num_controls;
1333         module->num_dapm_widgets = tplg_data->num_widgets;
1334         module->num_dapm_routes = tplg_data->num_routes;
1335
1336         /* update block offset */
1337         module->dai_offset = (unsigned long)&tplg_data->data;
1338         module->control_offset = module->dai_offset + tplg_data->size_dais;
1339         module->widget_offset = module->control_offset +
1340                 tplg_data->size_controls;
1341         module->route_offset = module->widget_offset +
1342                 tplg_data->size_widgets;
1343
1344         dev_dbg(module->dev, "DAI offset is 0x%lx\n", module->dai_offset);
1345         dev_dbg(module->dev, "control offset is %lx\n",
1346                 module->control_offset);
1347         dev_dbg(module->dev, "widget offset is %lx\n", module->widget_offset);
1348         dev_dbg(module->dev, "route offset is %lx\n", module->route_offset);
1349
1350         return 0;
1351 }
1352
1353 int gbaudio_tplg_parse_data(struct gbaudio_module_info *module,
1354                                struct gb_audio_topology *tplg_data)
1355 {
1356         int ret;
1357         struct gb_audio_control *controls;
1358         struct gb_audio_widget *widgets;
1359         struct gb_audio_route *routes;
1360
1361         if (!tplg_data)
1362                 return -EINVAL;
1363
1364         ret = gbaudio_tplg_process_header(module, tplg_data);
1365         if (ret) {
1366                 dev_err(module->dev, "%d: Error in parsing topology header\n",
1367                         ret);
1368                 return ret;
1369         }
1370
1371         /* process control */
1372         controls = (struct gb_audio_control *)module->control_offset;
1373         ret = gbaudio_tplg_process_kcontrols(module, controls);
1374         if (ret) {
1375                 dev_err(module->dev,
1376                         "%d: Error in parsing controls data\n", ret);
1377                 return ret;
1378         }
1379         dev_dbg(module->dev, "Control parsing finished\n");
1380
1381         /* process widgets */
1382         widgets = (struct gb_audio_widget *)module->widget_offset;
1383         ret = gbaudio_tplg_process_widgets(module, widgets);
1384         if (ret) {
1385                 dev_err(module->dev,
1386                         "%d: Error in parsing widgets data\n", ret);
1387                 return ret;
1388         }
1389         dev_dbg(module->dev, "Widget parsing finished\n");
1390
1391         /* process route */
1392         routes = (struct gb_audio_route *)module->route_offset;
1393         ret = gbaudio_tplg_process_routes(module, routes);
1394         if (ret) {
1395                 dev_err(module->dev,
1396                         "%d: Error in parsing routes data\n", ret);
1397                 return ret;
1398         }
1399         dev_dbg(module->dev, "Route parsing finished\n");
1400
1401         /* parse jack capabilities */
1402         if (tplg_data->jack_type) {
1403                 module->jack_mask = tplg_data->jack_type & GBCODEC_JACK_MASK;
1404                 module->button_mask = tplg_data->jack_type &
1405                         GBCODEC_JACK_BUTTON_MASK;
1406         }
1407
1408         return ret;
1409 }
1410
1411 void gbaudio_tplg_release(struct gbaudio_module_info *module)
1412 {
1413         struct gbaudio_control *control, *_control;
1414         struct gbaudio_widget *widget, *_widget;
1415
1416         if (!module->topology)
1417                 return;
1418
1419         /* release kcontrols */
1420         list_for_each_entry_safe(control, _control, &module->ctl_list,
1421                                  list) {
1422                 list_del(&control->list);
1423                 devm_kfree(module->dev, control);
1424         }
1425         if (module->controls)
1426                 devm_kfree(module->dev, module->controls);
1427
1428         /* release widget controls */
1429         list_for_each_entry_safe(control, _control, &module->widget_ctl_list,
1430                                  list) {
1431                 list_del(&control->list);
1432                 devm_kfree(module->dev, control);
1433         }
1434
1435         /* release widgets */
1436         list_for_each_entry_safe(widget, _widget, &module->widget_list,
1437                                  list) {
1438                 list_del(&widget->list);
1439                 devm_kfree(module->dev, widget);
1440         }
1441         if (module->dapm_widgets)
1442                 devm_kfree(module->dev, module->dapm_widgets);
1443
1444         /* release routes */
1445         if (module->dapm_routes)
1446                 devm_kfree(module->dev, module->dapm_routes);
1447 }