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         /* update ucontrol */
 466         if (gbvalue.value.integer_value[0] != val) {
 467                 for (wi = 0; wi < wlist->num_widgets; wi++) {
 468                         widget = wlist->widgets[wi];
 469
 470                         widget->value = val;
 471                         widget->dapm->update = NULL;
 472                         snd_soc_dapm_mixer_update_power(widget, kcontrol,
 473                                                         connect);
 474                 }
 475                 gbvalue.value.integer_value[0] =
 476                         ucontrol->value.integer.value[0];
 477
 478                 ret = gb_pm_runtime_get_sync(bundle);
 479                 if (ret)
 480                         return ret;
 481
 482                 ret = gb_audio_gb_set_control(module->mgmt_connection,
 483                                               data->ctl_id,
 484                                               GB_AUDIO_INVALID_INDEX, &gbvalue);
 485
 486                 gb_pm_runtime_put_autosuspend(bundle);
 487
 488                 if (ret) {
 489                         dev_err_ratelimited(codec->dev,
 490                                             "%d:Error in %s for %s\n", ret,
 491                                             __func__, kcontrol->id.name);
 492                         return ret;
 493                 }
 494         }
 495
 496         return 0;
 497 }
 498
 499 #define SOC_DAPM_MIXER_GB(xname, kcount, data) \
 500 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 501         .count = kcount, .info = gbcodec_mixer_dapm_ctl_info, \
 502         .get = gbcodec_mixer_dapm_ctl_get, .put = gbcodec_mixer_dapm_ctl_put, \
 503         .private_value = (unsigned long)data}
 504
 505 static int gbcodec_event_spk(struct snd_soc_dapm_widget *w,
 506                                         struct snd_kcontrol *k, int event)
 507 {
 508         /* Ensure GB speaker is connected */
 509
 510         return 0;
 511 }
 512
 513 static int gbcodec_event_hp(struct snd_soc_dapm_widget *w,
 514                                         struct snd_kcontrol *k, int event)
 515 {
 516         /* Ensure GB module supports jack slot */
 517
 518         return 0;
 519 }
 520
 521 static int gbcodec_event_int_mic(struct snd_soc_dapm_widget *w,
 522                                         struct snd_kcontrol *k, int event)
 523 {
 524         /* Ensure GB module supports jack slot */
 525
 526         return 0;
 527 }
 528
 529 static int gbaudio_validate_kcontrol_count(struct gb_audio_widget *w)
 530 {
 531         int ret = 0;
 532
 533         switch (w->type) {
 534         case snd_soc_dapm_spk:
 535         case snd_soc_dapm_hp:
 536         case snd_soc_dapm_mic:
 537         case snd_soc_dapm_output:
 538         case snd_soc_dapm_input:
 539                 if (w->ncontrols)
 540                         ret = -EINVAL;
 541                 break;
 542         case snd_soc_dapm_switch:
 543         case snd_soc_dapm_mux:
 544                 if (w->ncontrols != 1)
 545                         ret = -EINVAL;
 546                 break;
 547         default:
 548                 break;
 549         }
 550
 551         return ret;
 552 }
 553
 554 static int gbcodec_enum_ctl_get(struct snd_kcontrol *kcontrol,
 555                                 struct snd_ctl_elem_value *ucontrol)
 556 {
 557         int ret, ctl_id;
 558         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 559         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 560         struct gb_audio_ctl_elem_value gbvalue;
 561         struct gbaudio_module_info *module;
 562         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 563         struct gb_bundle *bundle;
 564
 565         module = find_gb_module(gb, kcontrol->id.name);
 566         if (!module)
 567                 return -EINVAL;
 568
 569         ctl_id = gbaudio_map_controlname(module, kcontrol->id.name);
 570         if (ctl_id < 0)
 571                 return -EINVAL;
 572
 573         bundle = to_gb_bundle(module->dev);
 574
 575         ret = gb_pm_runtime_get_sync(bundle);
 576         if (ret)
 577                 return ret;
 578
 579         ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
 580                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 581
 582         gb_pm_runtime_put_autosuspend(bundle);
 583
 584         if (ret) {
 585                 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
 586                                     __func__, kcontrol->id.name);
 587                 return ret;
 588         }
 589
 590         ucontrol->value.enumerated.item[0] = gbvalue.value.enumerated_item[0];
 591         if (e->shift_l != e->shift_r)
 592                 ucontrol->value.enumerated.item[1] =
 593                         gbvalue.value.enumerated_item[1];
 594
 595         return 0;
 596 }
 597
 598 static int gbcodec_enum_ctl_put(struct snd_kcontrol *kcontrol,
 599                                 struct snd_ctl_elem_value *ucontrol)
 600 {
 601         int ret, ctl_id;
 602         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 603         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 604         struct gb_audio_ctl_elem_value gbvalue;
 605         struct gbaudio_module_info *module;
 606         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 607         struct gb_bundle *bundle;
 608
 609         module = find_gb_module(gb, kcontrol->id.name);
 610         if (!module)
 611                 return -EINVAL;
 612
 613         ctl_id = gbaudio_map_controlname(module, kcontrol->id.name);
 614         if (ctl_id < 0)
 615                 return -EINVAL;
 616
 617         if (ucontrol->value.enumerated.item[0] > e->max - 1)
 618                 return -EINVAL;
 619         gbvalue.value.enumerated_item[0] = ucontrol->value.enumerated.item[0];
 620
 621         if (e->shift_l != e->shift_r) {
 622                 if (ucontrol->value.enumerated.item[1] > e->max - 1)
 623                         return -EINVAL;
 624                 gbvalue.value.enumerated_item[1] =
 625                         ucontrol->value.enumerated.item[1];
 626         }
 627
 628         bundle = to_gb_bundle(module->dev);
 629
 630         ret = gb_pm_runtime_get_sync(bundle);
 631         if (ret)
 632                 return ret;
 633
 634         ret = gb_audio_gb_set_control(module->mgmt_connection, ctl_id,
 635                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 636
 637         gb_pm_runtime_put_autosuspend(bundle);
 638
 639         if (ret) {
 640                 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
 641                                     __func__, kcontrol->id.name);
 642         }
 643
 644         return ret;
 645 }
 646
 647 static int gbaudio_tplg_create_enum_kctl(struct gbaudio_module_info *gb,
 648                                          struct snd_kcontrol_new *kctl,
 649                                          struct gb_audio_control *ctl)
 650 {
 651         struct soc_enum *gbe;
 652         struct gb_audio_enumerated *gb_enum;
 653         int i;
 654
 655         gbe = devm_kzalloc(gb->dev, sizeof(*gbe), GFP_KERNEL);
 656         if (!gbe)
 657                 return -ENOMEM;
 658
 659         gb_enum = &ctl->info.value.enumerated;
 660
 661         /* since count=1, and reg is dummy */
 662         gbe->max = gb_enum->items;
 663         gbe->texts = gb_generate_enum_strings(gb, gb_enum);
 664
 665         /* debug enum info */
 666         dev_dbg(gb->dev, "Max:%d, name_length:%d\n", gb_enum->items,
 667                  gb_enum->names_length);
 668         for (i = 0; i < gb_enum->items; i++)
 669                 dev_dbg(gb->dev, "src[%d]: %s\n", i, gbe->texts[i]);
 670
 671         *kctl = (struct snd_kcontrol_new)
 672                 SOC_ENUM_EXT(ctl->name, *gbe, gbcodec_enum_ctl_get,
 673                              gbcodec_enum_ctl_put);
 674         return 0;
 675 }
 676
 677 static int gbaudio_tplg_create_kcontrol(struct gbaudio_module_info *gb,
 678                                         struct snd_kcontrol_new *kctl,
 679                                         struct gb_audio_control *ctl)
 680 {
 681         int ret = 0;
 682         struct gbaudio_ctl_pvt *ctldata;
 683
 684         switch (ctl->iface) {
 685         case SNDRV_CTL_ELEM_IFACE_MIXER:
 686                 switch (ctl->info.type) {
 687                 case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 688                         ret = gbaudio_tplg_create_enum_kctl(gb, kctl, ctl);
 689                         break;
 690                 default:
 691                         ctldata = devm_kzalloc(gb->dev,
 692                                                sizeof(struct gbaudio_ctl_pvt),
 693                                                GFP_KERNEL);
 694                         if (!ctldata)
 695                                 return -ENOMEM;
 696                         ctldata->ctl_id = ctl->id;
 697                         ctldata->data_cport = ctl->data_cport;
 698                         ctldata->access = ctl->access;
 699                         ctldata->vcount = ctl->count_values;
 700                         ctldata->info = &ctl->info;
 701                         *kctl = (struct snd_kcontrol_new)
 702                                 SOC_MIXER_GB(ctl->name, ctl->count, ctldata);
 703                         ctldata = NULL;
 704                         break;
 705                 }
 706                 break;
 707         default:
 708                 return -EINVAL;
 709         }
 710
 711         dev_dbg(gb->dev, "%s:%d control created\n", ctl->name, ctl->id);
 712         return ret;
 713 }
 714
 715 static int gbcodec_enum_dapm_ctl_get(struct snd_kcontrol *kcontrol,
 716                                      struct snd_ctl_elem_value *ucontrol)
 717 {
 718         int ret, ctl_id;
 719         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 720         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 721         struct gbaudio_module_info *module;
 722         struct gb_audio_ctl_elem_value gbvalue;
 723         struct snd_soc_codec *codec = widget->codec;
 724         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 725         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 726         struct gb_bundle *bundle;
 727
 728         module = find_gb_module(gb, kcontrol->id.name);
 729         if (!module)
 730                 return -EINVAL;
 731
 732         ctl_id = gbaudio_map_wcontrolname(module, kcontrol->id.name);
 733         if (ctl_id < 0)
 734                 return -EINVAL;
 735
 736         bundle = to_gb_bundle(module->dev);
 737
 738         ret = gb_pm_runtime_get_sync(bundle);
 739         if (ret)
 740                 return ret;
 741
 742         ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
 743                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 744
 745         gb_pm_runtime_put_autosuspend(bundle);
 746
 747         if (ret) {
 748                 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
 749                                     __func__, kcontrol->id.name);
 750                 return ret;
 751         }
 752
 753         ucontrol->value.enumerated.item[0] = gbvalue.value.enumerated_item[0];
 754         if (e->shift_l != e->shift_r)
 755                 ucontrol->value.enumerated.item[1] =
 756                         gbvalue.value.enumerated_item[1];
 757
 758         return 0;
 759 }
 760
 761 static int gbcodec_enum_dapm_ctl_put(struct snd_kcontrol *kcontrol,
 762                                      struct snd_ctl_elem_value *ucontrol)
 763 {
 764         int ret, wi, ctl_id;
 765         unsigned int val, mux, change;
 766         unsigned int mask;
 767         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 768         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 769         struct gb_audio_ctl_elem_value gbvalue;
 770         struct gbaudio_module_info *module;
 771         struct snd_soc_codec *codec = widget->codec;
 772         struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
 773         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 774         struct gb_bundle *bundle;
 775
 776         if (ucontrol->value.enumerated.item[0] > e->max - 1)
 777                 return -EINVAL;
 778
 779         module = find_gb_module(gb, kcontrol->id.name);
 780         if (!module)
 781                 return -EINVAL;
 782
 783         ctl_id = gbaudio_map_wcontrolname(module, kcontrol->id.name);
 784         if (ctl_id < 0)
 785                 return -EINVAL;
 786
 787         change = 0;
 788         bundle = to_gb_bundle(module->dev);
 789
 790         ret = gb_pm_runtime_get_sync(bundle);
 791         if (ret)
 792                 return ret;
 793
 794         ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
 795                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 796
 797         gb_pm_runtime_put_autosuspend(bundle);
 798
 799         if (ret) {
 800                 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
 801                                     __func__, kcontrol->id.name);
 802                 return ret;
 803         }
 804
 805         mux = ucontrol->value.enumerated.item[0];
 806         val = mux << e->shift_l;
 807         mask = e->mask << e->shift_l;
 808
 809         if (gbvalue.value.enumerated_item[0] !=
 810             ucontrol->value.enumerated.item[0]) {
 811                 change = 1;
 812                 gbvalue.value.enumerated_item[0] =
 813                         ucontrol->value.enumerated.item[0];
 814         }
 815
 816         if (e->shift_l != e->shift_r) {
 817                 if (ucontrol->value.enumerated.item[1] > e->max - 1)
 818                         return -EINVAL;
 819                 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
 820                 mask |= e->mask << e->shift_r;
 821                 if (gbvalue.value.enumerated_item[1] !=
 822                     ucontrol->value.enumerated.item[1]) {
 823                         change = 1;
 824                         gbvalue.value.enumerated_item[1] =
 825                                 ucontrol->value.enumerated.item[1];
 826                 }
 827         }
 828
 829         if (change) {
 830                 ret = gb_pm_runtime_get_sync(bundle);
 831                 if (ret)
 832                         return ret;
 833
 834                 ret = gb_audio_gb_set_control(module->mgmt_connection, ctl_id,
 835                                               GB_AUDIO_INVALID_INDEX, &gbvalue);
 836
 837                 gb_pm_runtime_put_autosuspend(bundle);
 838
 839                 if (ret) {
 840                         dev_err_ratelimited(codec->dev,
 841                                             "%d:Error in %s for %s\n", ret,
 842                                             __func__, kcontrol->id.name);
 843                 }
 844                 for (wi = 0; wi < wlist->num_widgets; wi++) {
 845                         widget = wlist->widgets[wi];
 846
 847                         widget->value = val;
 848                         widget->dapm->update = NULL;
 849                         snd_soc_dapm_mux_update_power(widget, kcontrol, mux, e);
 850                 }
 851         }
 852
 853         return change;
 854 }
 855
 856 static int gbaudio_tplg_create_enum_ctl(struct gbaudio_module_info *gb,
 857                                         struct snd_kcontrol_new *kctl,
 858                                         struct gb_audio_control *ctl)
 859 {
 860         struct soc_enum *gbe;
 861         struct gb_audio_enumerated *gb_enum;
 862         int i;
 863
 864         gbe = devm_kzalloc(gb->dev, sizeof(*gbe), GFP_KERNEL);
 865         if (!gbe)
 866                 return -ENOMEM;
 867
 868         gb_enum = &ctl->info.value.enumerated;
 869
 870         /* since count=1, and reg is dummy */
 871         gbe->max = gb_enum->items;
 872         gbe->texts = gb_generate_enum_strings(gb, gb_enum);
 873
 874         /* debug enum info */
 875         dev_dbg(gb->dev, "Max:%d, name_length:%d\n", gb_enum->items,
 876                  gb_enum->names_length);
 877         for (i = 0; i < gb_enum->items; i++)
 878                 dev_dbg(gb->dev, "src[%d]: %s\n", i, gbe->texts[i]);
 879
 880         *kctl = (struct snd_kcontrol_new)
 881                 SOC_DAPM_ENUM_EXT(ctl->name, *gbe, gbcodec_enum_dapm_ctl_get,
 882                                   gbcodec_enum_dapm_ctl_put);
 883         return 0;
 884 }
 885
 886 static int gbaudio_tplg_create_mixer_ctl(struct gbaudio_module_info *gb,
 887                                              struct snd_kcontrol_new *kctl,
 888                                              struct gb_audio_control *ctl)
 889 {
 890         struct gbaudio_ctl_pvt *ctldata;
 891
 892         ctldata = devm_kzalloc(gb->dev, sizeof(struct gbaudio_ctl_pvt),
 893                                GFP_KERNEL);
 894         if (!ctldata)
 895                 return -ENOMEM;
 896         ctldata->ctl_id = ctl->id;
 897         ctldata->data_cport = ctl->data_cport;
 898         ctldata->access = ctl->access;
 899         ctldata->vcount = ctl->count_values;
 900         ctldata->info = &ctl->info;
 901         *kctl = (struct snd_kcontrol_new)
 902                 SOC_DAPM_MIXER_GB(ctl->name, ctl->count, ctldata);
 903
 904         return 0;
 905 }
 906
 907 static int gbaudio_tplg_create_wcontrol(struct gbaudio_module_info *gb,
 908                                              struct snd_kcontrol_new *kctl,
 909                                              struct gb_audio_control *ctl)
 910 {
 911         int ret;
 912
 913         switch (ctl->iface) {
 914         case SNDRV_CTL_ELEM_IFACE_MIXER:
 915                 switch (ctl->info.type) {
 916                 case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 917                         ret = gbaudio_tplg_create_enum_ctl(gb, kctl, ctl);
 918                         break;
 919                 default:
 920                         ret = gbaudio_tplg_create_mixer_ctl(gb, kctl, ctl);
 921                         break;
 922                 }
 923                 break;
 924         default:
 925                 return -EINVAL;
 926
 927         }
 928
 929         dev_dbg(gb->dev, "%s:%d DAPM control created, ret:%d\n", ctl->name,
 930                 ctl->id, ret);
 931         return ret;
 932 }
 933
 934 static int gbaudio_widget_event(struct snd_soc_dapm_widget *w,
 935                                 struct snd_kcontrol *kcontrol, int event)
 936 {
 937         int wid;
 938         int ret;
 939         struct snd_soc_codec *codec = w->codec;
 940         struct gbaudio_codec_info *gbcodec = snd_soc_codec_get_drvdata(codec);
 941         struct gbaudio_module_info *module;
 942         struct gb_bundle *bundle;
 943
 944         dev_dbg(codec->dev, "%s %s %d\n", __func__, w->name, event);
 945
 946         /* Find relevant module */
 947         module = find_gb_module(gbcodec, w->name);
 948         if (!module)
 949                 return -EINVAL;
 950
 951         /* map name to widget id */
 952         wid = gbaudio_map_widgetname(module, w->name);
 953         if (wid < 0) {
 954                 dev_err(codec->dev, "Invalid widget name:%s\n", w->name);
 955                 return -EINVAL;
 956         }
 957
 958         bundle = to_gb_bundle(module->dev);
 959
 960         ret = gb_pm_runtime_get_sync(bundle);
 961         if (ret)
 962                 return ret;
 963
 964         switch (event) {
 965         case SND_SOC_DAPM_PRE_PMU:
 966                 ret = gb_audio_gb_enable_widget(module->mgmt_connection, wid);
 967                 if (!ret)
 968                         ret = gbaudio_module_update(gbcodec, w, module, 1);
 969                 break;
 970         case SND_SOC_DAPM_POST_PMD:
 971                 ret = gb_audio_gb_disable_widget(module->mgmt_connection, wid);
 972                 if (!ret)
 973                         ret = gbaudio_module_update(gbcodec, w, module, 0);
 974                 break;
 975         }
 976         if (ret)
 977                 dev_err_ratelimited(codec->dev,
 978                                     "%d: widget, event:%d failed:%d\n", wid,
 979                                     event, ret);
 980
 981         gb_pm_runtime_put_autosuspend(bundle);
 982
 983         return ret;
 984 }
 985
 986 static int gbaudio_tplg_create_widget(struct gbaudio_module_info *module,
 987                                       struct snd_soc_dapm_widget *dw,
 988                                       struct gb_audio_widget *w, int *w_size)
 989 {
 990         int i, ret, csize;
 991         struct snd_kcontrol_new *widget_kctls;
 992         struct gb_audio_control *curr;
 993         struct gbaudio_control *control, *_control;
 994         size_t size;
 995         char temp_name[NAME_SIZE];
 996
 997         ret = gbaudio_validate_kcontrol_count(w);
 998         if (ret) {
 999                 dev_err(module->dev, "Inavlid kcontrol count=%d for %s\n",
1000                         w->ncontrols, w->name);
1001                 return ret;
1002         }
1003
1004         /* allocate memory for kcontrol */
1005         if (w->ncontrols) {
1006                 size = sizeof(struct snd_kcontrol_new) * w->ncontrols;
1007                 widget_kctls = devm_kzalloc(module->dev, size, GFP_KERNEL);
1008                 if (!widget_kctls)
1009                         return -ENOMEM;
1010         }
1011
1012         *w_size = sizeof(struct gb_audio_widget);
1013
1014         /* create relevant kcontrols */
1015         curr = w->ctl;
1016         for (i = 0; i < w->ncontrols; i++) {
1017                 ret = gbaudio_tplg_create_wcontrol(module, &widget_kctls[i],
1018                                                    curr);
1019                 if (ret) {
1020                         dev_err(module->dev,
1021                                 "%s:%d type widget_ctl not supported\n",
1022                                 curr->name, curr->iface);
1023                         goto error;
1024                 }
1025                 control = devm_kzalloc(module->dev,
1026                                        sizeof(struct gbaudio_control),
1027                                        GFP_KERNEL);
1028                 if (!control) {
1029                         ret = -ENOMEM;
1030                         goto error;
1031                 }
1032                 control->id = curr->id;
1033                 control->name = curr->name;
1034                 control->wname = w->name;
1035
1036                 if (curr->info.type == GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED) {
1037                         struct gb_audio_enumerated *gbenum =
1038                                 &curr->info.value.enumerated;
1039
1040                         csize = offsetof(struct gb_audio_control, info);
1041                         csize += offsetof(struct gb_audio_ctl_elem_info, value);
1042                         csize += offsetof(struct gb_audio_enumerated, names);
1043                         csize += gbenum->names_length;
1044                         control->texts = (const char * const *)
1045                                 gb_generate_enum_strings(module, gbenum);
1046                         control->items = gbenum->items;
1047                 } else
1048                         csize = sizeof(struct gb_audio_control);
1049                 *w_size += csize;
1050                 curr = (void *)curr + csize;
1051                 list_add(&control->list, &module->widget_ctl_list);
1052                 dev_dbg(module->dev, "%s: control of type %d created\n",
1053                         widget_kctls[i].name, widget_kctls[i].iface);
1054         }
1055
1056         /* Prefix dev_id to widget control_name */
1057         strlcpy(temp_name, w->name, NAME_SIZE);
1058         snprintf(w->name, NAME_SIZE, "GB %d %s", module->dev_id, temp_name);
1059
1060         switch (w->type) {
1061         case snd_soc_dapm_spk:
1062                 *dw = (struct snd_soc_dapm_widget)
1063                         SND_SOC_DAPM_SPK(w->name, gbcodec_event_spk);
1064                 module->op_devices |= GBAUDIO_DEVICE_OUT_SPEAKER;
1065                 break;
1066         case snd_soc_dapm_hp:
1067                 *dw = (struct snd_soc_dapm_widget)
1068                         SND_SOC_DAPM_HP(w->name, gbcodec_event_hp);
1069                 module->op_devices |= (GBAUDIO_DEVICE_OUT_WIRED_HEADSET
1070                                         | GBAUDIO_DEVICE_OUT_WIRED_HEADPHONE);
1071                 module->ip_devices |= GBAUDIO_DEVICE_IN_WIRED_HEADSET;
1072                 break;
1073         case snd_soc_dapm_mic:
1074                 *dw = (struct snd_soc_dapm_widget)
1075                         SND_SOC_DAPM_MIC(w->name, gbcodec_event_int_mic);
1076                 module->ip_devices |= GBAUDIO_DEVICE_IN_BUILTIN_MIC;
1077                 break;
1078         case snd_soc_dapm_output:
1079                 *dw = (struct snd_soc_dapm_widget)SND_SOC_DAPM_OUTPUT(w->name);
1080                 break;
1081         case snd_soc_dapm_input:
1082                 *dw = (struct snd_soc_dapm_widget)SND_SOC_DAPM_INPUT(w->name);
1083                 break;
1084         case snd_soc_dapm_switch:
1085                 *dw = (struct snd_soc_dapm_widget)
1086                         SND_SOC_DAPM_SWITCH_E(w->name, SND_SOC_NOPM, 0, 0,
1087                                             widget_kctls, gbaudio_widget_event,
1088                                             SND_SOC_DAPM_PRE_PMU |
1089                                             SND_SOC_DAPM_POST_PMD);
1090                 break;
1091         case snd_soc_dapm_pga:
1092                 *dw = (struct snd_soc_dapm_widget)
1093                         SND_SOC_DAPM_PGA_E(w->name, SND_SOC_NOPM, 0, 0, NULL, 0,
1094                                            gbaudio_widget_event,
1095                                            SND_SOC_DAPM_PRE_PMU |
1096                                            SND_SOC_DAPM_POST_PMD);
1097                 break;
1098         case snd_soc_dapm_mixer:
1099                 *dw = (struct snd_soc_dapm_widget)
1100                         SND_SOC_DAPM_MIXER_E(w->name, SND_SOC_NOPM, 0, 0, NULL,
1101                                            0, gbaudio_widget_event,
1102                                            SND_SOC_DAPM_PRE_PMU |
1103                                            SND_SOC_DAPM_POST_PMD);
1104                 break;
1105         case snd_soc_dapm_mux:
1106                 *dw = (struct snd_soc_dapm_widget)
1107                         SND_SOC_DAPM_MUX_E(w->name, SND_SOC_NOPM, 0, 0,
1108                                          widget_kctls, gbaudio_widget_event,
1109                                          SND_SOC_DAPM_PRE_PMU |
1110                                          SND_SOC_DAPM_POST_PMD);
1111                 break;
1112         case snd_soc_dapm_aif_in:
1113                 *dw = (struct snd_soc_dapm_widget)
1114                         SND_SOC_DAPM_AIF_IN_E(w->name, w->sname, 0,
1115                                               SND_SOC_NOPM,
1116                                               0, 0, gbaudio_widget_event,
1117                                               SND_SOC_DAPM_PRE_PMU |
1118                                               SND_SOC_DAPM_POST_PMD);
1119                 break;
1120         case snd_soc_dapm_aif_out:
1121                 *dw = (struct snd_soc_dapm_widget)
1122                         SND_SOC_DAPM_AIF_OUT_E(w->name, w->sname, 0,
1123                                                SND_SOC_NOPM,
1124                                                0, 0, gbaudio_widget_event,
1125                                                SND_SOC_DAPM_PRE_PMU |
1126                                                SND_SOC_DAPM_POST_PMD);
1127                 break;
1128         default:
1129                 ret = -EINVAL;
1130                 goto error;
1131         }
1132
1133         dev_dbg(module->dev, "%s: widget of type %d created\n", dw->name,
1134                 dw->id);
1135         return 0;
1136 error:
1137         list_for_each_entry_safe(control, _control, &module->widget_ctl_list,
1138                                  list) {
1139                 list_del(&control->list);
1140                 devm_kfree(module->dev, control);
1141         }
1142         return ret;
1143 }
1144
1145 static int gbaudio_tplg_process_kcontrols(struct gbaudio_module_info *module,
1146                                    struct gb_audio_control *controls)
1147 {
1148         int i, csize, ret;
1149         struct snd_kcontrol_new *dapm_kctls;
1150         struct gb_audio_control *curr;
1151         struct gbaudio_control *control, *_control;
1152         size_t size;
1153         char temp_name[NAME_SIZE];
1154
1155         size = sizeof(struct snd_kcontrol_new) * module->num_controls;
1156         dapm_kctls = devm_kzalloc(module->dev, size, GFP_KERNEL);
1157         if (!dapm_kctls)
1158                 return -ENOMEM;
1159
1160         curr = controls;
1161         for (i = 0; i < module->num_controls; i++) {
1162                 ret = gbaudio_tplg_create_kcontrol(module, &dapm_kctls[i],
1163                                                    curr);
1164                 if (ret) {
1165                         dev_err(module->dev, "%s:%d type not supported\n",
1166                                 curr->name, curr->iface);
1167                         goto error;
1168                 }
1169                 control = devm_kzalloc(module->dev, sizeof(struct
1170                                                            gbaudio_control),
1171                                       GFP_KERNEL);
1172                 if (!control) {
1173                         ret = -ENOMEM;
1174                         goto error;
1175                 }
1176                 control->id = curr->id;
1177                 /* Prefix dev_id to widget_name */
1178                 strlcpy(temp_name, curr->name, NAME_SIZE);
1179                 snprintf(curr->name, NAME_SIZE, "GB %d %s", module->dev_id,
1180                          temp_name);
1181                 control->name = curr->name;
1182                 if (curr->info.type == GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED) {
1183                         struct gb_audio_enumerated *gbenum =
1184                                 &curr->info.value.enumerated;
1185
1186                         csize = offsetof(struct gb_audio_control, info);
1187                         csize += offsetof(struct gb_audio_ctl_elem_info, value);
1188                         csize += offsetof(struct gb_audio_enumerated, names);
1189                         csize += gbenum->names_length;
1190                         control->texts = (const char * const *)
1191                                 gb_generate_enum_strings(module, gbenum);
1192                         control->items = gbenum->items;
1193                 } else
1194                         csize = sizeof(struct gb_audio_control);
1195
1196                 list_add(&control->list, &module->ctl_list);
1197                 dev_dbg(module->dev, "%d:%s created of type %d\n", curr->id,
1198                         curr->name, curr->info.type);
1199                 curr = (void *)curr + csize;
1200         }
1201         module->controls = dapm_kctls;
1202
1203         return 0;
1204 error:
1205         list_for_each_entry_safe(control, _control, &module->ctl_list,
1206                                  list) {
1207                 list_del(&control->list);
1208                 devm_kfree(module->dev, control);
1209         }
1210         devm_kfree(module->dev, dapm_kctls);
1211         return ret;
1212 }
1213
1214 static int gbaudio_tplg_process_widgets(struct gbaudio_module_info *module,
1215                                    struct gb_audio_widget *widgets)
1216 {
1217         int i, ret, w_size;
1218         struct snd_soc_dapm_widget *dapm_widgets;
1219         struct gb_audio_widget *curr;
1220         struct gbaudio_widget *widget, *_widget;
1221         size_t size;
1222
1223         size = sizeof(struct snd_soc_dapm_widget) * module->num_dapm_widgets;
1224         dapm_widgets = devm_kzalloc(module->dev, size, GFP_KERNEL);
1225         if (!dapm_widgets)
1226                 return -ENOMEM;
1227
1228         curr = widgets;
1229         for (i = 0; i < module->num_dapm_widgets; i++) {
1230                 ret = gbaudio_tplg_create_widget(module, &dapm_widgets[i],
1231                                                  curr, &w_size);
1232                 if (ret) {
1233                         dev_err(module->dev, "%s:%d type not supported\n",
1234                                 curr->name, curr->type);
1235                         goto error;
1236                 }
1237                 widget = devm_kzalloc(module->dev, sizeof(struct
1238                                                            gbaudio_widget),
1239                                       GFP_KERNEL);
1240                 if (!widget) {
1241                         ret = -ENOMEM;
1242                         goto error;
1243                 }
1244                 widget->id = curr->id;
1245                 widget->name = curr->name;
1246                 list_add(&widget->list, &module->widget_list);
1247                 curr = (void *)curr + w_size;
1248         }
1249         module->dapm_widgets = dapm_widgets;
1250
1251         return 0;
1252
1253 error:
1254         list_for_each_entry_safe(widget, _widget, &module->widget_list,
1255                                  list) {
1256                 list_del(&widget->list);
1257                 devm_kfree(module->dev, widget);
1258         }
1259         devm_kfree(module->dev, dapm_widgets);
1260         return ret;
1261 }
1262
1263 static int gbaudio_tplg_process_routes(struct gbaudio_module_info *module,
1264                                    struct gb_audio_route *routes)
1265 {
1266         int i, ret;
1267         struct snd_soc_dapm_route *dapm_routes;
1268         struct gb_audio_route *curr;
1269         size_t size;
1270
1271         size = sizeof(struct snd_soc_dapm_route) * module->num_dapm_routes;
1272         dapm_routes = devm_kzalloc(module->dev, size, GFP_KERNEL);
1273         if (!dapm_routes)
1274                 return -ENOMEM;
1275
1276         module->dapm_routes = dapm_routes;
1277         curr = routes;
1278
1279         for (i = 0; i < module->num_dapm_routes; i++) {
1280                 dapm_routes->sink =
1281                         gbaudio_map_widgetid(module, curr->destination_id);
1282                 if (!dapm_routes->sink) {
1283                         dev_err(module->dev, "%d:%d:%d:%d - Invalid sink\n",
1284                                 curr->source_id, curr->destination_id,
1285                                 curr->control_id, curr->index);
1286                         ret = -EINVAL;
1287                         goto error;
1288                 }
1289                 dapm_routes->source =
1290                         gbaudio_map_widgetid(module, curr->source_id);
1291                 if (!dapm_routes->source) {
1292                         dev_err(module->dev, "%d:%d:%d:%d - Invalid source\n",
1293                                 curr->source_id, curr->destination_id,
1294                                 curr->control_id, curr->index);
1295                         ret = -EINVAL;
1296                         goto error;
1297                 }
1298                 dapm_routes->control =
1299                         gbaudio_map_controlid(module,
1300                                                       curr->control_id,
1301                                                       curr->index);
1302                 if ((curr->control_id !=  GBAUDIO_INVALID_ID) &&
1303                     !dapm_routes->control) {
1304                         dev_err(module->dev, "%d:%d:%d:%d - Invalid control\n",
1305                                 curr->source_id, curr->destination_id,
1306                                 curr->control_id, curr->index);
1307                         ret = -EINVAL;
1308                         goto error;
1309                 }
1310                 dev_dbg(module->dev, "Route {%s, %s, %s}\n", dapm_routes->sink,
1311                         (dapm_routes->control) ? dapm_routes->control:"NULL",
1312                         dapm_routes->source);
1313                 dapm_routes++;
1314                 curr++;
1315         }
1316
1317         return 0;
1318
1319 error:
1320         devm_kfree(module->dev, module->dapm_routes);
1321         return ret;
1322 }
1323
1324 static int gbaudio_tplg_process_header(struct gbaudio_module_info *module,
1325                                  struct gb_audio_topology *tplg_data)
1326 {
1327         /* fetch no. of kcontrols, widgets & routes */
1328         module->num_controls = tplg_data->num_controls;
1329         module->num_dapm_widgets = tplg_data->num_widgets;
1330         module->num_dapm_routes = tplg_data->num_routes;
1331
1332         /* update block offset */
1333         module->dai_offset = (unsigned long)&tplg_data->data;
1334         module->control_offset = module->dai_offset + tplg_data->size_dais;
1335         module->widget_offset = module->control_offset +
1336                 tplg_data->size_controls;
1337         module->route_offset = module->widget_offset +
1338                 tplg_data->size_widgets;
1339
1340         dev_dbg(module->dev, "DAI offset is 0x%lx\n", module->dai_offset);
1341         dev_dbg(module->dev, "control offset is %lx\n",
1342                 module->control_offset);
1343         dev_dbg(module->dev, "widget offset is %lx\n", module->widget_offset);
1344         dev_dbg(module->dev, "route offset is %lx\n", module->route_offset);
1345
1346         return 0;
1347 }
1348
1349 int gbaudio_tplg_parse_data(struct gbaudio_module_info *module,
1350                                struct gb_audio_topology *tplg_data)
1351 {
1352         int ret;
1353         struct gb_audio_control *controls;
1354         struct gb_audio_widget *widgets;
1355         struct gb_audio_route *routes;
1356
1357         if (!tplg_data)
1358                 return -EINVAL;
1359
1360         ret = gbaudio_tplg_process_header(module, tplg_data);
1361         if (ret) {
1362                 dev_err(module->dev, "%d: Error in parsing topology header\n",
1363                         ret);
1364                 return ret;
1365         }
1366
1367         /* process control */
1368         controls = (struct gb_audio_control *)module->control_offset;
1369         ret = gbaudio_tplg_process_kcontrols(module, controls);
1370         if (ret) {
1371                 dev_err(module->dev,
1372                         "%d: Error in parsing controls data\n", ret);
1373                 return ret;
1374         }
1375         dev_dbg(module->dev, "Control parsing finished\n");
1376
1377         /* process widgets */
1378         widgets = (struct gb_audio_widget *)module->widget_offset;
1379         ret = gbaudio_tplg_process_widgets(module, widgets);
1380         if (ret) {
1381                 dev_err(module->dev,
1382                         "%d: Error in parsing widgets data\n", ret);
1383                 return ret;
1384         }
1385         dev_dbg(module->dev, "Widget parsing finished\n");
1386
1387         /* process route */
1388         routes = (struct gb_audio_route *)module->route_offset;
1389         ret = gbaudio_tplg_process_routes(module, routes);
1390         if (ret) {
1391                 dev_err(module->dev,
1392                         "%d: Error in parsing routes data\n", ret);
1393                 return ret;
1394         }
1395         dev_dbg(module->dev, "Route parsing finished\n");
1396
1397         /* parse jack capabilities */
1398         if (tplg_data->jack_type) {
1399                 module->jack_mask = tplg_data->jack_type & GBCODEC_JACK_MASK;
1400                 module->button_mask = tplg_data->jack_type &
1401                         GBCODEC_JACK_BUTTON_MASK;
1402         }
1403
1404         return ret;
1405 }
1406
1407 void gbaudio_tplg_release(struct gbaudio_module_info *module)
1408 {
1409         struct gbaudio_control *control, *_control;
1410         struct gbaudio_widget *widget, *_widget;
1411
1412         if (!module->topology)
1413                 return;
1414
1415         /* release kcontrols */
1416         list_for_each_entry_safe(control, _control, &module->ctl_list,
1417                                  list) {
1418                 list_del(&control->list);
1419                 devm_kfree(module->dev, control);
1420         }
1421         if (module->controls)
1422                 devm_kfree(module->dev, module->controls);
1423
1424         /* release widget controls */
1425         list_for_each_entry_safe(control, _control, &module->widget_ctl_list,
1426                                  list) {
1427                 list_del(&control->list);
1428                 devm_kfree(module->dev, control);
1429         }
1430
1431         /* release widgets */
1432         list_for_each_entry_safe(widget, _widget, &module->widget_list,
1433                                  list) {
1434                 list_del(&widget->list);
1435                 devm_kfree(module->dev, widget);
1436         }
1437         if (module->dapm_widgets)
1438                 devm_kfree(module->dev, module->dapm_widgets);
1439
1440         /* release routes */
1441         if (module->dapm_routes)
1442                 devm_kfree(module->dev, module->dapm_routes);
1443 }