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         list_for_each_entry(widget, &module->widget_list, list) {
 118                 if (!strncmp(widget->name, name, NAME_SIZE))
 119                         return widget->id;
 120         }
 121         dev_warn(module->dev, "%s: missing in modules widgets list\n", name);
 122
 123         return -EINVAL;
 124 }
 125
 126 static const char *gbaudio_map_widgetid(struct gbaudio_module_info *module,
 127                                         __u8 widget_id)
 128 {
 129         struct gbaudio_widget *widget;
 130
 131         list_for_each_entry(widget, &module->widget_list, list) {
 132                 if (widget->id == widget_id)
 133                         return widget->name;
 134         }
 135         return NULL;
 136 }
 137
 138 static const char **gb_generate_enum_strings(struct gbaudio_module_info *gb,
 139                                              struct gb_audio_enumerated *gbenum)
 140 {
 141         const char **strings;
 142         int i;
 143         __u8 *data;
 144
 145         strings = devm_kzalloc(gb->dev, sizeof(char *) * gbenum->items,
 146                                GFP_KERNEL);
 147         data = gbenum->names;
 148
 149         for (i = 0; i < gbenum->items; i++) {
 150                 strings[i] = (const char *)data;
 151                 while (*data != '\0')
 152                         data++;
 153                 data++;
 154         }
 155
 156         return strings;
 157 }
 158
 159 static int gbcodec_mixer_ctl_info(struct snd_kcontrol *kcontrol,
 160                      struct snd_ctl_elem_info *uinfo)
 161 {
 162         unsigned int max;
 163         const char *name;
 164         struct gbaudio_ctl_pvt *data;
 165         struct gb_audio_ctl_elem_info *info;
 166         struct gbaudio_module_info *module;
 167         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 168         struct gbaudio_codec_info *gbcodec = snd_soc_codec_get_drvdata(codec);
 169
 170         dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 171         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 172         info = (struct gb_audio_ctl_elem_info *)data->info;
 173
 174         if (!info) {
 175                 dev_err(codec->dev, "NULL info for %s\n", uinfo->id.name);
 176                 return -EINVAL;
 177         }
 178
 179         /* update uinfo */
 180         uinfo->access = data->access;
 181         uinfo->count = data->vcount;
 182         uinfo->type = (snd_ctl_elem_type_t)info->type;
 183
 184         switch (info->type) {
 185         case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
 186         case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
 187                 uinfo->value.integer.min = info->value.integer.min;
 188                 uinfo->value.integer.max = info->value.integer.max;
 189                 break;
 190         case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 191                 max = info->value.enumerated.items;
 192                 uinfo->value.enumerated.items = max;
 193                 if (uinfo->value.enumerated.item > max - 1)
 194                         uinfo->value.enumerated.item = max - 1;
 195                 module = find_gb_module(gbcodec, kcontrol->id.name);
 196                 if (!module)
 197                         return -EINVAL;
 198                 name = gbaudio_map_controlid(module, data->ctl_id,
 199                                              uinfo->value.enumerated.item);
 200                 strlcpy(uinfo->value.enumerated.name, name, NAME_SIZE);
 201                 break;
 202         default:
 203                 dev_err(codec->dev, "Invalid type: %d for %s:kcontrol\n",
 204                         info->type, kcontrol->id.name);
 205                 break;
 206         }
 207         return 0;
 208 }
 209
 210 static int gbcodec_mixer_ctl_get(struct snd_kcontrol *kcontrol,
 211         struct snd_ctl_elem_value *ucontrol)
 212 {
 213         int ret;
 214         struct gb_audio_ctl_elem_info *info;
 215         struct gbaudio_ctl_pvt *data;
 216         struct gb_audio_ctl_elem_value gbvalue;
 217         struct gbaudio_module_info *module;
 218         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 219         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 220         struct gb_bundle *bundle;
 221
 222         dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 223         module = find_gb_module(gb, kcontrol->id.name);
 224         if (!module)
 225                 return -EINVAL;
 226
 227         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 228         info = (struct gb_audio_ctl_elem_info *)data->info;
 229         bundle = to_gb_bundle(module->dev);
 230
 231         ret = gb_pm_runtime_get_sync(bundle);
 232         if (ret)
 233                 return ret;
 234
 235         ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
 236                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 237
 238         gb_pm_runtime_put_autosuspend(bundle);
 239
 240         if (ret) {
 241                 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
 242                                     __func__, kcontrol->id.name);
 243                 return ret;
 244         }
 245
 246         /* update ucontrol */
 247         switch (info->type) {
 248         case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
 249         case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
 250                 ucontrol->value.integer.value[0] =
 251                         gbvalue.value.integer_value[0];
 252                 if (data->vcount == 2)
 253                         ucontrol->value.integer.value[1] =
 254                                 gbvalue.value.integer_value[1];
 255                 break;
 256         case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 257                 ucontrol->value.enumerated.item[0] =
 258                         gbvalue.value.enumerated_item[0];
 259                 if (data->vcount == 2)
 260                         ucontrol->value.enumerated.item[1] =
 261                                 gbvalue.value.enumerated_item[1];
 262                 break;
 263         default:
 264                 dev_err(codec->dev, "Invalid type: %d for %s:kcontrol\n",
 265                         info->type, kcontrol->id.name);
 266                 ret = -EINVAL;
 267                 break;
 268         }
 269         return ret;
 270 }
 271
 272 static int gbcodec_mixer_ctl_put(struct snd_kcontrol *kcontrol,
 273                               struct snd_ctl_elem_value *ucontrol)
 274 {
 275         int ret = 0;
 276         struct gb_audio_ctl_elem_info *info;
 277         struct gbaudio_ctl_pvt *data;
 278         struct gb_audio_ctl_elem_value gbvalue;
 279         struct gbaudio_module_info *module;
 280         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 281         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 282         struct gb_bundle *bundle;
 283
 284         dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 285         module = find_gb_module(gb, kcontrol->id.name);
 286         if (!module)
 287                 return -EINVAL;
 288
 289         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 290         info = (struct gb_audio_ctl_elem_info *)data->info;
 291         bundle = to_gb_bundle(module->dev);
 292
 293         /* update ucontrol */
 294         switch (info->type) {
 295         case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
 296         case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
 297                 gbvalue.value.integer_value[0] =
 298                         ucontrol->value.integer.value[0];
 299                 if (data->vcount == 2)
 300                         gbvalue.value.integer_value[1] =
 301                                 ucontrol->value.integer.value[1];
 302                 break;
 303         case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 304                 gbvalue.value.enumerated_item[0] =
 305                         ucontrol->value.enumerated.item[0];
 306                 if (data->vcount == 2)
 307                         gbvalue.value.enumerated_item[1] =
 308                                 ucontrol->value.enumerated.item[1];
 309                 break;
 310         default:
 311                 dev_err(codec->dev, "Invalid type: %d for %s:kcontrol\n",
 312                         info->type, kcontrol->id.name);
 313                 ret = -EINVAL;
 314                 break;
 315         }
 316
 317         if (ret)
 318                 return ret;
 319
 320         ret = gb_pm_runtime_get_sync(bundle);
 321         if (ret)
 322                 return ret;
 323
 324         ret = gb_audio_gb_set_control(module->mgmt_connection, data->ctl_id,
 325                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 326
 327         gb_pm_runtime_put_autosuspend(bundle);
 328
 329         if (ret) {
 330                 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
 331                                     __func__, kcontrol->id.name);
 332         }
 333
 334         return ret;
 335 }
 336
 337 #define SOC_MIXER_GB(xname, kcount, data) \
 338 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 339         .count = kcount, .info = gbcodec_mixer_ctl_info, \
 340         .get = gbcodec_mixer_ctl_get, .put = gbcodec_mixer_ctl_put, \
 341         .private_value = (unsigned long)data }
 342
 343 /*
 344  * although below callback functions seems redundant to above functions.
 345  * same are kept to allow provision for different handling in case
 346  * of DAPM related sequencing, etc.
 347  */
 348 static int gbcodec_mixer_dapm_ctl_info(struct snd_kcontrol *kcontrol,
 349                      struct snd_ctl_elem_info *uinfo)
 350 {
 351         int platform_max, platform_min;
 352         struct gbaudio_ctl_pvt *data;
 353         struct gb_audio_ctl_elem_info *info;
 354         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 355         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 356         struct snd_soc_codec *codec = widget->codec;
 357
 358         dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 359         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 360         info = (struct gb_audio_ctl_elem_info *)data->info;
 361
 362         /* update uinfo */
 363         platform_max = info->value.integer.max;
 364         platform_min = info->value.integer.min;
 365
 366         if (platform_max == 1 &&
 367             !strnstr(kcontrol->id.name, " Volume", NAME_SIZE))
 368                 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 369         else
 370                 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 371
 372         uinfo->count = data->vcount;
 373         uinfo->value.integer.min = 0;
 374         if (info->value.integer.min < 0 &&
 375             (uinfo->type == SNDRV_CTL_ELEM_TYPE_INTEGER))
 376                 uinfo->value.integer.max = platform_max - platform_min;
 377         else
 378                 uinfo->value.integer.max = platform_max;
 379
 380         return 0;
 381 }
 382
 383 static int gbcodec_mixer_dapm_ctl_get(struct snd_kcontrol *kcontrol,
 384         struct snd_ctl_elem_value *ucontrol)
 385 {
 386         int ret;
 387         struct gb_audio_ctl_elem_info *info;
 388         struct gbaudio_ctl_pvt *data;
 389         struct gb_audio_ctl_elem_value gbvalue;
 390         struct gbaudio_module_info *module;
 391         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 392         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 393         struct snd_soc_codec *codec = widget->codec;
 394         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 395         struct gb_bundle *bundle;
 396
 397         dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 398         module = find_gb_module(gb, kcontrol->id.name);
 399         if (!module)
 400                 return -EINVAL;
 401
 402         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 403         info = (struct gb_audio_ctl_elem_info *)data->info;
 404         bundle = to_gb_bundle(module->dev);
 405
 406         if (data->vcount == 2)
 407                 dev_warn(widget->dapm->dev,
 408                          "GB: Control '%s' is stereo, which is not supported\n",
 409                          kcontrol->id.name);
 410
 411         ret = gb_pm_runtime_get_sync(bundle);
 412         if (ret)
 413                 return ret;
 414
 415         ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
 416                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 417
 418         gb_pm_runtime_put_autosuspend(bundle);
 419
 420         if (ret) {
 421                 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
 422                                     __func__, kcontrol->id.name);
 423                 return ret;
 424         }
 425         /* update ucontrol */
 426         ucontrol->value.integer.value[0] = gbvalue.value.integer_value[0];
 427
 428         return ret;
 429 }
 430
 431 static int gbcodec_mixer_dapm_ctl_put(struct snd_kcontrol *kcontrol,
 432                               struct snd_ctl_elem_value *ucontrol)
 433 {
 434         int ret, wi, max, connect;
 435         unsigned int mask, val;
 436         struct gb_audio_ctl_elem_info *info;
 437         struct gbaudio_ctl_pvt *data;
 438         struct gb_audio_ctl_elem_value gbvalue;
 439         struct gbaudio_module_info *module;
 440         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 441         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 442         struct snd_soc_codec *codec = widget->codec;
 443         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 444         struct gb_bundle *bundle;
 445
 446         dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 447         module = find_gb_module(gb, kcontrol->id.name);
 448         if (!module)
 449                 return -EINVAL;
 450
 451         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 452         info = (struct gb_audio_ctl_elem_info *)data->info;
 453         bundle = to_gb_bundle(module->dev);
 454
 455         if (data->vcount == 2)
 456                 dev_warn(widget->dapm->dev,
 457                          "GB: Control '%s' is stereo, which is not supported\n",
 458                          kcontrol->id.name);
 459
 460         max = info->value.integer.max;
 461         mask = (1 << fls(max)) - 1;
 462         val = ucontrol->value.integer.value[0] & mask;
 463         connect = !!val;
 464
 465         ret = gb_pm_runtime_get_sync(bundle);
 466         if (ret)
 467                 return ret;
 468
 469         ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
 470                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 471         if (ret)
 472                 goto exit;
 473
 474         /* update ucontrol */
 475         if (gbvalue.value.integer_value[0] != val) {
 476                 for (wi = 0; wi < wlist->num_widgets; wi++) {
 477                         widget = wlist->widgets[wi];
 478
 479                         widget->value = val;
 480                         widget->dapm->update = NULL;
 481                         snd_soc_dapm_mixer_update_power(widget, kcontrol,
 482                                                         connect);
 483                 }
 484                 gbvalue.value.integer_value[0] =
 485                         ucontrol->value.integer.value[0];
 486
 487                 ret = gb_audio_gb_set_control(module->mgmt_connection,
 488                                               data->ctl_id,
 489                                               GB_AUDIO_INVALID_INDEX, &gbvalue);
 490         }
 491
 492 exit:
 493         gb_pm_runtime_put_autosuspend(bundle);
 494         if (ret)
 495                 dev_err_ratelimited(codec_dev, "%d:Error in %s for %s\n", ret,
 496                                     __func__, kcontrol->id.name);
 497         return ret;
 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                 *w_size += csize;
1051                 curr = (void *)curr + csize;
1052                 list_add(&control->list, &module->widget_ctl_list);
1053                 dev_dbg(module->dev, "%s: control of type %d created\n",
1054                         widget_kctls[i].name, widget_kctls[i].iface);
1055         }
1056
1057         /* Prefix dev_id to widget control_name */
1058         strlcpy(temp_name, w->name, NAME_SIZE);
1059         snprintf(w->name, NAME_SIZE, "GB %d %s", module->dev_id, temp_name);
1060
1061         switch (w->type) {
1062         case snd_soc_dapm_spk:
1063                 *dw = (struct snd_soc_dapm_widget)
1064                         SND_SOC_DAPM_SPK(w->name, gbcodec_event_spk);
1065                 module->op_devices |= GBAUDIO_DEVICE_OUT_SPEAKER;
1066                 break;
1067         case snd_soc_dapm_hp:
1068                 *dw = (struct snd_soc_dapm_widget)
1069                         SND_SOC_DAPM_HP(w->name, gbcodec_event_hp);
1070                 module->op_devices |= (GBAUDIO_DEVICE_OUT_WIRED_HEADSET
1071                                         | GBAUDIO_DEVICE_OUT_WIRED_HEADPHONE);
1072                 module->ip_devices |= GBAUDIO_DEVICE_IN_WIRED_HEADSET;
1073                 break;
1074         case snd_soc_dapm_mic:
1075                 *dw = (struct snd_soc_dapm_widget)
1076                         SND_SOC_DAPM_MIC(w->name, gbcodec_event_int_mic);
1077                 module->ip_devices |= GBAUDIO_DEVICE_IN_BUILTIN_MIC;
1078                 break;
1079         case snd_soc_dapm_output:
1080                 *dw = (struct snd_soc_dapm_widget)SND_SOC_DAPM_OUTPUT(w->name);
1081                 break;
1082         case snd_soc_dapm_input:
1083                 *dw = (struct snd_soc_dapm_widget)SND_SOC_DAPM_INPUT(w->name);
1084                 break;
1085         case snd_soc_dapm_switch:
1086                 *dw = (struct snd_soc_dapm_widget)
1087                         SND_SOC_DAPM_SWITCH_E(w->name, SND_SOC_NOPM, 0, 0,
1088                                             widget_kctls, gbaudio_widget_event,
1089                                             SND_SOC_DAPM_PRE_PMU |
1090                                             SND_SOC_DAPM_POST_PMD);
1091                 break;
1092         case snd_soc_dapm_pga:
1093                 *dw = (struct snd_soc_dapm_widget)
1094                         SND_SOC_DAPM_PGA_E(w->name, SND_SOC_NOPM, 0, 0, NULL, 0,
1095                                            gbaudio_widget_event,
1096                                            SND_SOC_DAPM_PRE_PMU |
1097                                            SND_SOC_DAPM_POST_PMD);
1098                 break;
1099         case snd_soc_dapm_mixer:
1100                 *dw = (struct snd_soc_dapm_widget)
1101                         SND_SOC_DAPM_MIXER_E(w->name, SND_SOC_NOPM, 0, 0, NULL,
1102                                            0, gbaudio_widget_event,
1103                                            SND_SOC_DAPM_PRE_PMU |
1104                                            SND_SOC_DAPM_POST_PMD);
1105                 break;
1106         case snd_soc_dapm_mux:
1107                 *dw = (struct snd_soc_dapm_widget)
1108                         SND_SOC_DAPM_MUX_E(w->name, SND_SOC_NOPM, 0, 0,
1109                                          widget_kctls, gbaudio_widget_event,
1110                                          SND_SOC_DAPM_PRE_PMU |
1111                                          SND_SOC_DAPM_POST_PMD);
1112                 break;
1113         case snd_soc_dapm_aif_in:
1114                 *dw = (struct snd_soc_dapm_widget)
1115                         SND_SOC_DAPM_AIF_IN_E(w->name, w->sname, 0,
1116                                               SND_SOC_NOPM,
1117                                               0, 0, gbaudio_widget_event,
1118                                               SND_SOC_DAPM_PRE_PMU |
1119                                               SND_SOC_DAPM_POST_PMD);
1120                 break;
1121         case snd_soc_dapm_aif_out:
1122                 *dw = (struct snd_soc_dapm_widget)
1123                         SND_SOC_DAPM_AIF_OUT_E(w->name, w->sname, 0,
1124                                                SND_SOC_NOPM,
1125                                                0, 0, gbaudio_widget_event,
1126                                                SND_SOC_DAPM_PRE_PMU |
1127                                                SND_SOC_DAPM_POST_PMD);
1128                 break;
1129         default:
1130                 ret = -EINVAL;
1131                 goto error;
1132         }
1133
1134         dev_dbg(module->dev, "%s: widget of type %d created\n", dw->name,
1135                 dw->id);
1136         return 0;
1137 error:
1138         list_for_each_entry_safe(control, _control, &module->widget_ctl_list,
1139                                  list) {
1140                 list_del(&control->list);
1141                 devm_kfree(module->dev, control);
1142         }
1143         return ret;
1144 }
1145
1146 static int gbaudio_tplg_process_kcontrols(struct gbaudio_module_info *module,
1147                                    struct gb_audio_control *controls)
1148 {
1149         int i, csize, ret;
1150         struct snd_kcontrol_new *dapm_kctls;
1151         struct gb_audio_control *curr;
1152         struct gbaudio_control *control, *_control;
1153         size_t size;
1154         char temp_name[NAME_SIZE];
1155
1156         size = sizeof(struct snd_kcontrol_new) * module->num_controls;
1157         dapm_kctls = devm_kzalloc(module->dev, size, GFP_KERNEL);
1158         if (!dapm_kctls)
1159                 return -ENOMEM;
1160
1161         curr = controls;
1162         for (i = 0; i < module->num_controls; i++) {
1163                 ret = gbaudio_tplg_create_kcontrol(module, &dapm_kctls[i],
1164                                                    curr);
1165                 if (ret) {
1166                         dev_err(module->dev, "%s:%d type not supported\n",
1167                                 curr->name, curr->iface);
1168                         goto error;
1169                 }
1170                 control = devm_kzalloc(module->dev, sizeof(struct
1171                                                            gbaudio_control),
1172                                       GFP_KERNEL);
1173                 if (!control) {
1174                         ret = -ENOMEM;
1175                         goto error;
1176                 }
1177                 control->id = curr->id;
1178                 /* Prefix dev_id to widget_name */
1179                 strlcpy(temp_name, curr->name, NAME_SIZE);
1180                 snprintf(curr->name, NAME_SIZE, "GB %d %s", module->dev_id,
1181                          temp_name);
1182                 control->name = curr->name;
1183                 if (curr->info.type == GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED) {
1184                         struct gb_audio_enumerated *gbenum =
1185                                 &curr->info.value.enumerated;
1186
1187                         csize = offsetof(struct gb_audio_control, info);
1188                         csize += offsetof(struct gb_audio_ctl_elem_info, value);
1189                         csize += offsetof(struct gb_audio_enumerated, names);
1190                         csize += gbenum->names_length;
1191                         control->texts = (const char * const *)
1192                                 gb_generate_enum_strings(module, gbenum);
1193                         control->items = gbenum->items;
1194                 } else
1195                         csize = sizeof(struct gb_audio_control);
1196
1197                 list_add(&control->list, &module->ctl_list);
1198                 dev_dbg(module->dev, "%d:%s created of type %d\n", curr->id,
1199                         curr->name, curr->info.type);
1200                 curr = (void *)curr + csize;
1201         }
1202         module->controls = dapm_kctls;
1203
1204         return 0;
1205 error:
1206         list_for_each_entry_safe(control, _control, &module->ctl_list,
1207                                  list) {
1208                 list_del(&control->list);
1209                 devm_kfree(module->dev, control);
1210         }
1211         devm_kfree(module->dev, dapm_kctls);
1212         return ret;
1213 }
1214
1215 static int gbaudio_tplg_process_widgets(struct gbaudio_module_info *module,
1216                                    struct gb_audio_widget *widgets)
1217 {
1218         int i, ret, w_size;
1219         struct snd_soc_dapm_widget *dapm_widgets;
1220         struct gb_audio_widget *curr;
1221         struct gbaudio_widget *widget, *_widget;
1222         size_t size;
1223
1224         size = sizeof(struct snd_soc_dapm_widget) * module->num_dapm_widgets;
1225         dapm_widgets = devm_kzalloc(module->dev, size, GFP_KERNEL);
1226         if (!dapm_widgets)
1227                 return -ENOMEM;
1228
1229         curr = widgets;
1230         for (i = 0; i < module->num_dapm_widgets; i++) {
1231                 ret = gbaudio_tplg_create_widget(module, &dapm_widgets[i],
1232                                                  curr, &w_size);
1233                 if (ret) {
1234                         dev_err(module->dev, "%s:%d type not supported\n",
1235                                 curr->name, curr->type);
1236                         goto error;
1237                 }
1238                 widget = devm_kzalloc(module->dev, sizeof(struct
1239                                                            gbaudio_widget),
1240                                       GFP_KERNEL);
1241                 if (!widget) {
1242                         ret = -ENOMEM;
1243                         goto error;
1244                 }
1245                 widget->id = curr->id;
1246                 widget->name = curr->name;
1247                 list_add(&widget->list, &module->widget_list);
1248                 curr = (void *)curr + w_size;
1249         }
1250         module->dapm_widgets = dapm_widgets;
1251
1252         return 0;
1253
1254 error:
1255         list_for_each_entry_safe(widget, _widget, &module->widget_list,
1256                                  list) {
1257                 list_del(&widget->list);
1258                 devm_kfree(module->dev, widget);
1259         }
1260         devm_kfree(module->dev, dapm_widgets);
1261         return ret;
1262 }
1263
1264 static int gbaudio_tplg_process_routes(struct gbaudio_module_info *module,
1265                                    struct gb_audio_route *routes)
1266 {
1267         int i, ret;
1268         struct snd_soc_dapm_route *dapm_routes;
1269         struct gb_audio_route *curr;
1270         size_t size;
1271
1272         size = sizeof(struct snd_soc_dapm_route) * module->num_dapm_routes;
1273         dapm_routes = devm_kzalloc(module->dev, size, GFP_KERNEL);
1274         if (!dapm_routes)
1275                 return -ENOMEM;
1276
1277         module->dapm_routes = dapm_routes;
1278         curr = routes;
1279
1280         for (i = 0; i < module->num_dapm_routes; i++) {
1281                 dapm_routes->sink =
1282                         gbaudio_map_widgetid(module, curr->destination_id);
1283                 if (!dapm_routes->sink) {
1284                         dev_err(module->dev, "%d:%d:%d:%d - Invalid sink\n",
1285                                 curr->source_id, curr->destination_id,
1286                                 curr->control_id, curr->index);
1287                         ret = -EINVAL;
1288                         goto error;
1289                 }
1290                 dapm_routes->source =
1291                         gbaudio_map_widgetid(module, curr->source_id);
1292                 if (!dapm_routes->source) {
1293                         dev_err(module->dev, "%d:%d:%d:%d - Invalid source\n",
1294                                 curr->source_id, curr->destination_id,
1295                                 curr->control_id, curr->index);
1296                         ret = -EINVAL;
1297                         goto error;
1298                 }
1299                 dapm_routes->control =
1300                         gbaudio_map_controlid(module,
1301                                                       curr->control_id,
1302                                                       curr->index);
1303                 if ((curr->control_id !=  GBAUDIO_INVALID_ID) &&
1304                     !dapm_routes->control) {
1305                         dev_err(module->dev, "%d:%d:%d:%d - Invalid control\n",
1306                                 curr->source_id, curr->destination_id,
1307                                 curr->control_id, curr->index);
1308                         ret = -EINVAL;
1309                         goto error;
1310                 }
1311                 dev_dbg(module->dev, "Route {%s, %s, %s}\n", dapm_routes->sink,
1312                         (dapm_routes->control) ? dapm_routes->control:"NULL",
1313                         dapm_routes->source);
1314                 dapm_routes++;
1315                 curr++;
1316         }
1317
1318         return 0;
1319
1320 error:
1321         devm_kfree(module->dev, module->dapm_routes);
1322         return ret;
1323 }
1324
1325 static int gbaudio_tplg_process_header(struct gbaudio_module_info *module,
1326                                  struct gb_audio_topology *tplg_data)
1327 {
1328         /* fetch no. of kcontrols, widgets & routes */
1329         module->num_controls = tplg_data->num_controls;
1330         module->num_dapm_widgets = tplg_data->num_widgets;
1331         module->num_dapm_routes = tplg_data->num_routes;
1332
1333         /* update block offset */
1334         module->dai_offset = (unsigned long)&tplg_data->data;
1335         module->control_offset = module->dai_offset + tplg_data->size_dais;
1336         module->widget_offset = module->control_offset +
1337                 tplg_data->size_controls;
1338         module->route_offset = module->widget_offset +
1339                 tplg_data->size_widgets;
1340
1341         dev_dbg(module->dev, "DAI offset is 0x%lx\n", module->dai_offset);
1342         dev_dbg(module->dev, "control offset is %lx\n",
1343                 module->control_offset);
1344         dev_dbg(module->dev, "widget offset is %lx\n", module->widget_offset);
1345         dev_dbg(module->dev, "route offset is %lx\n", module->route_offset);
1346
1347         return 0;
1348 }
1349
1350 int gbaudio_tplg_parse_data(struct gbaudio_module_info *module,
1351                                struct gb_audio_topology *tplg_data)
1352 {
1353         int ret;
1354         struct gb_audio_control *controls;
1355         struct gb_audio_widget *widgets;
1356         struct gb_audio_route *routes;
1357
1358         if (!tplg_data)
1359                 return -EINVAL;
1360
1361         ret = gbaudio_tplg_process_header(module, tplg_data);
1362         if (ret) {
1363                 dev_err(module->dev, "%d: Error in parsing topology header\n",
1364                         ret);
1365                 return ret;
1366         }
1367
1368         /* process control */
1369         controls = (struct gb_audio_control *)module->control_offset;
1370         ret = gbaudio_tplg_process_kcontrols(module, controls);
1371         if (ret) {
1372                 dev_err(module->dev,
1373                         "%d: Error in parsing controls data\n", ret);
1374                 return ret;
1375         }
1376         dev_dbg(module->dev, "Control parsing finished\n");
1377
1378         /* process widgets */
1379         widgets = (struct gb_audio_widget *)module->widget_offset;
1380         ret = gbaudio_tplg_process_widgets(module, widgets);
1381         if (ret) {
1382                 dev_err(module->dev,
1383                         "%d: Error in parsing widgets data\n", ret);
1384                 return ret;
1385         }
1386         dev_dbg(module->dev, "Widget parsing finished\n");
1387
1388         /* process route */
1389         routes = (struct gb_audio_route *)module->route_offset;
1390         ret = gbaudio_tplg_process_routes(module, routes);
1391         if (ret) {
1392                 dev_err(module->dev,
1393                         "%d: Error in parsing routes data\n", ret);
1394                 return ret;
1395         }
1396         dev_dbg(module->dev, "Route parsing finished\n");
1397
1398         /* parse jack capabilities */
1399         if (tplg_data->jack_type) {
1400                 module->jack_mask = tplg_data->jack_type & GBCODEC_JACK_MASK;
1401                 module->button_mask = tplg_data->jack_type &
1402                         GBCODEC_JACK_BUTTON_MASK;
1403         }
1404
1405         return ret;
1406 }
1407
1408 void gbaudio_tplg_release(struct gbaudio_module_info *module)
1409 {
1410         struct gbaudio_control *control, *_control;
1411         struct gbaudio_widget *widget, *_widget;
1412
1413         if (!module->topology)
1414                 return;
1415
1416         /* release kcontrols */
1417         list_for_each_entry_safe(control, _control, &module->ctl_list,
1418                                  list) {
1419                 list_del(&control->list);
1420                 devm_kfree(module->dev, control);
1421         }
1422         if (module->controls)
1423                 devm_kfree(module->dev, module->controls);
1424
1425         /* release widget controls */
1426         list_for_each_entry_safe(control, _control, &module->widget_ctl_list,
1427                                  list) {
1428                 list_del(&control->list);
1429                 devm_kfree(module->dev, control);
1430         }
1431
1432         /* release widgets */
1433         list_for_each_entry_safe(widget, _widget, &module->widget_list,
1434                                  list) {
1435                 list_del(&widget->list);
1436                 devm_kfree(module->dev, widget);
1437         }
1438         if (module->dapm_widgets)
1439                 devm_kfree(module->dev, module->dapm_widgets);
1440
1441         /* release routes */
1442         if (module->dapm_routes)
1443                 devm_kfree(module->dev, module->dapm_routes);
1444 }