drivers/staging/greybus/audio_topology.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Greybus audio driver
   4  * Copyright 2015-2016 Google Inc.
   5  * Copyright 2015-2016 Linaro Ltd.
   6  */
   7
   8 #include <linux/greybus.h>
   9 #include "audio_codec.h"
  10
  11 #define GBAUDIO_INVALID_ID      0xFF
  12
  13 /* mixer control */
  14 struct gb_mixer_control {
  15         int min, max;
  16         unsigned int reg, rreg, shift, rshift, invert;
  17 };
  18
  19 struct gbaudio_ctl_pvt {
  20         unsigned int ctl_id;
  21         unsigned int data_cport;
  22         unsigned int access;
  23         unsigned int vcount;
  24         struct gb_audio_ctl_elem_info *info;
  25 };
  26
  27 static struct gbaudio_module_info *find_gb_module(struct gbaudio_codec_info *codec,
  28                                                   char const *name)
  29 {
  30         int dev_id;
  31         char begin[NAME_SIZE];
  32         struct gbaudio_module_info *module;
  33
  34         if (!name)
  35                 return NULL;
  36
  37         if (sscanf(name, "%s %d", begin, &dev_id) != 2)
  38                 return NULL;
  39
  40         dev_dbg(codec->dev, "%s:Find module#%d\n", __func__, dev_id);
  41
  42         mutex_lock(&codec->lock);
  43         list_for_each_entry(module, &codec->module_list, list) {
  44                 if (module->dev_id == dev_id) {
  45                         mutex_unlock(&codec->lock);
  46                         return module;
  47                 }
  48         }
  49         mutex_unlock(&codec->lock);
  50         dev_warn(codec->dev, "%s: module#%d missing in codec list\n", name,
  51                  dev_id);
  52         return NULL;
  53 }
  54
  55 static const char *gbaudio_map_controlid(struct gbaudio_module_info *module,
  56                                          __u8 control_id, __u8 index)
  57 {
  58         struct gbaudio_control *control;
  59
  60         if (control_id == GBAUDIO_INVALID_ID)
  61                 return NULL;
  62
  63         list_for_each_entry(control, &module->ctl_list, list) {
  64                 if (control->id == control_id) {
  65                         if (index == GBAUDIO_INVALID_ID)
  66                                 return control->name;
  67                         if (index >= control->items)
  68                                 return NULL;
  69                         return control->texts[index];
  70                 }
  71         }
  72         list_for_each_entry(control, &module->widget_ctl_list, list) {
  73                 if (control->id == control_id) {
  74                         if (index == GBAUDIO_INVALID_ID)
  75                                 return control->name;
  76                         if (index >= control->items)
  77                                 return NULL;
  78                         return control->texts[index];
  79                 }
  80         }
  81         return NULL;
  82 }
  83
  84 static int gbaudio_map_controlname(struct gbaudio_module_info *module,
  85                                    const char *name)
  86 {
  87         struct gbaudio_control *control;
  88
  89         list_for_each_entry(control, &module->ctl_list, list) {
  90                 if (!strncmp(control->name, name, NAME_SIZE))
  91                         return control->id;
  92         }
  93
  94         dev_warn(module->dev, "%s: missing in modules controls list\n", name);
  95
  96         return -EINVAL;
  97 }
  98
  99 static int gbaudio_map_wcontrolname(struct gbaudio_module_info *module,
 100                                     const char *name)
 101 {
 102         struct gbaudio_control *control;
 103
 104         list_for_each_entry(control, &module->widget_ctl_list, list) {
 105                 if (!strncmp(control->wname, name, NAME_SIZE))
 106                         return control->id;
 107         }
 108         dev_warn(module->dev, "%s: missing in modules controls list\n", name);
 109
 110         return -EINVAL;
 111 }
 112
 113 static int gbaudio_map_widgetname(struct gbaudio_module_info *module,
 114                                   const char *name)
 115 {
 116         struct gbaudio_widget *widget;
 117
 118         list_for_each_entry(widget, &module->widget_list, list) {
 119                 if (!strncmp(widget->name, name, NAME_SIZE))
 120                         return widget->id;
 121         }
 122         dev_warn(module->dev, "%s: missing in modules widgets list\n", name);
 123
 124         return -EINVAL;
 125 }
 126
 127 static const char *gbaudio_map_widgetid(struct gbaudio_module_info *module,
 128                                         __u8 widget_id)
 129 {
 130         struct gbaudio_widget *widget;
 131
 132         list_for_each_entry(widget, &module->widget_list, list) {
 133                 if (widget->id == widget_id)
 134                         return widget->name;
 135         }
 136         return NULL;
 137 }
 138
 139 static const char **gb_generate_enum_strings(struct gbaudio_module_info *gb,
 140                                              struct gb_audio_enumerated *gbenum)
 141 {
 142         const char **strings;
 143         int i;
 144         unsigned int items;
 145         __u8 *data;
 146
 147         items = le32_to_cpu(gbenum->items);
 148         strings = devm_kcalloc(gb->dev, items, sizeof(char *), GFP_KERNEL);
 149         if (!strings)
 150                 return NULL;
 151
 152         data = gbenum->names;
 153
 154         for (i = 0; i < items; i++) {
 155                 strings[i] = (const char *)data;
 156                 while (*data != '\0')
 157                         data++;
 158                 data++;
 159         }
 160
 161         return strings;
 162 }
 163
 164 static int gbcodec_mixer_ctl_info(struct snd_kcontrol *kcontrol,
 165                                   struct snd_ctl_elem_info *uinfo)
 166 {
 167         unsigned int max;
 168         const char *name;
 169         struct gbaudio_ctl_pvt *data;
 170         struct gb_audio_ctl_elem_info *info;
 171         struct gbaudio_module_info *module;
 172         struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
 173         struct gbaudio_codec_info *gbcodec = snd_soc_component_get_drvdata(comp);
 174
 175         dev_dbg(comp->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 176         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 177         info = (struct gb_audio_ctl_elem_info *)data->info;
 178
 179         if (!info) {
 180                 dev_err(comp->dev, "NULL info for %s\n", uinfo->id.name);
 181                 return -EINVAL;
 182         }
 183
 184         /* update uinfo */
 185         uinfo->access = data->access;
 186         uinfo->count = data->vcount;
 187         uinfo->type = (__force snd_ctl_elem_type_t)info->type;
 188
 189         switch (info->type) {
 190         case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
 191         case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
 192                 uinfo->value.integer.min = le32_to_cpu(info->value.integer.min);
 193                 uinfo->value.integer.max = le32_to_cpu(info->value.integer.max);
 194                 break;
 195         case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 196                 max = le32_to_cpu(info->value.enumerated.items);
 197                 uinfo->value.enumerated.items = max;
 198                 if (uinfo->value.enumerated.item > max - 1)
 199                         uinfo->value.enumerated.item = max - 1;
 200                 module = find_gb_module(gbcodec, kcontrol->id.name);
 201                 if (!module)
 202                         return -EINVAL;
 203                 name = gbaudio_map_controlid(module, data->ctl_id,
 204                                              uinfo->value.enumerated.item);
 205                 strscpy(uinfo->value.enumerated.name, name, sizeof(uinfo->value.enumerated.name));
 206                 break;
 207         default:
 208                 dev_err(comp->dev, "Invalid type: %d for %s:kcontrol\n",
 209                         info->type, kcontrol->id.name);
 210                 break;
 211         }
 212         return 0;
 213 }
 214
 215 static int gbcodec_mixer_ctl_get(struct snd_kcontrol *kcontrol,
 216                                  struct snd_ctl_elem_value *ucontrol)
 217 {
 218         int ret;
 219         struct gb_audio_ctl_elem_info *info;
 220         struct gbaudio_ctl_pvt *data;
 221         struct gb_audio_ctl_elem_value gbvalue;
 222         struct gbaudio_module_info *module;
 223         struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
 224         struct gbaudio_codec_info *gb = snd_soc_component_get_drvdata(comp);
 225         struct gb_bundle *bundle;
 226
 227         dev_dbg(comp->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 228         module = find_gb_module(gb, kcontrol->id.name);
 229         if (!module)
 230                 return -EINVAL;
 231
 232         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 233         info = (struct gb_audio_ctl_elem_info *)data->info;
 234         bundle = to_gb_bundle(module->dev);
 235
 236         ret = gb_pm_runtime_get_sync(bundle);
 237         if (ret)
 238                 return ret;
 239
 240         ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
 241                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 242
 243         gb_pm_runtime_put_autosuspend(bundle);
 244
 245         if (ret) {
 246                 dev_err_ratelimited(comp->dev, "%d:Error in %s for %s\n", ret,
 247                                     __func__, kcontrol->id.name);
 248                 return ret;
 249         }
 250
 251         /* update ucontrol */
 252         switch (info->type) {
 253         case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
 254         case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
 255                 ucontrol->value.integer.value[0] =
 256                         le32_to_cpu(gbvalue.value.integer_value[0]);
 257                 if (data->vcount == 2)
 258                         ucontrol->value.integer.value[1] =
 259                                 le32_to_cpu(gbvalue.value.integer_value[1]);
 260                 break;
 261         case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 262                 ucontrol->value.enumerated.item[0] =
 263                         le32_to_cpu(gbvalue.value.enumerated_item[0]);
 264                 if (data->vcount == 2)
 265                         ucontrol->value.enumerated.item[1] =
 266                                 le32_to_cpu(gbvalue.value.enumerated_item[1]);
 267                 break;
 268         default:
 269                 dev_err(comp->dev, "Invalid type: %d for %s:kcontrol\n",
 270                         info->type, kcontrol->id.name);
 271                 ret = -EINVAL;
 272                 break;
 273         }
 274         return ret;
 275 }
 276
 277 static int gbcodec_mixer_ctl_put(struct snd_kcontrol *kcontrol,
 278                                  struct snd_ctl_elem_value *ucontrol)
 279 {
 280         int ret = 0;
 281         struct gb_audio_ctl_elem_info *info;
 282         struct gbaudio_ctl_pvt *data;
 283         struct gb_audio_ctl_elem_value gbvalue;
 284         struct gbaudio_module_info *module;
 285         struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
 286         struct gbaudio_codec_info *gb = snd_soc_component_get_drvdata(comp);
 287         struct gb_bundle *bundle;
 288
 289         dev_dbg(comp->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 290         module = find_gb_module(gb, kcontrol->id.name);
 291         if (!module)
 292                 return -EINVAL;
 293
 294         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 295         info = (struct gb_audio_ctl_elem_info *)data->info;
 296         bundle = to_gb_bundle(module->dev);
 297
 298         /* update ucontrol */
 299         switch (info->type) {
 300         case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
 301         case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
 302                 gbvalue.value.integer_value[0] =
 303                         cpu_to_le32(ucontrol->value.integer.value[0]);
 304                 if (data->vcount == 2)
 305                         gbvalue.value.integer_value[1] =
 306                                 cpu_to_le32(ucontrol->value.integer.value[1]);
 307                 break;
 308         case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 309                 gbvalue.value.enumerated_item[0] =
 310                         cpu_to_le32(ucontrol->value.enumerated.item[0]);
 311                 if (data->vcount == 2)
 312                         gbvalue.value.enumerated_item[1] =
 313                                 cpu_to_le32(ucontrol->value.enumerated.item[1]);
 314                 break;
 315         default:
 316                 dev_err(comp->dev, "Invalid type: %d for %s:kcontrol\n",
 317                         info->type, kcontrol->id.name);
 318                 ret = -EINVAL;
 319                 break;
 320         }
 321
 322         if (ret)
 323                 return ret;
 324
 325         ret = gb_pm_runtime_get_sync(bundle);
 326         if (ret)
 327                 return ret;
 328
 329         ret = gb_audio_gb_set_control(module->mgmt_connection, data->ctl_id,
 330                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 331
 332         gb_pm_runtime_put_autosuspend(bundle);
 333
 334         if (ret) {
 335                 dev_err_ratelimited(comp->dev, "%d:Error in %s for %s\n", ret,
 336                                     __func__, kcontrol->id.name);
 337         }
 338
 339         return ret;
 340 }
 341
 342 #define SOC_MIXER_GB(xname, kcount, data) \
 343 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 344         .count = kcount, .info = gbcodec_mixer_ctl_info, \
 345         .get = gbcodec_mixer_ctl_get, .put = gbcodec_mixer_ctl_put, \
 346         .private_value = (unsigned long)data }
 347
 348 /*
 349  * although below callback functions seems redundant to above functions.
 350  * same are kept to allow provision for different handling in case
 351  * of DAPM related sequencing, etc.
 352  */
 353 static int gbcodec_mixer_dapm_ctl_info(struct snd_kcontrol *kcontrol,
 354                                        struct snd_ctl_elem_info *uinfo)
 355 {
 356         int platform_max, platform_min;
 357         struct gbaudio_ctl_pvt *data;
 358         struct gb_audio_ctl_elem_info *info;
 359
 360         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 361         info = (struct gb_audio_ctl_elem_info *)data->info;
 362
 363         /* update uinfo */
 364         platform_max = le32_to_cpu(info->value.integer.max);
 365         platform_min = le32_to_cpu(info->value.integer.min);
 366
 367         if (platform_max == 1 &&
 368             !strnstr(kcontrol->id.name, " Volume", sizeof(kcontrol->id.name)))
 369                 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
 370         else
 371                 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 372
 373         uinfo->count = data->vcount;
 374         uinfo->value.integer.min = platform_min;
 375         uinfo->value.integer.max = platform_max;
 376
 377         return 0;
 378 }
 379
 380 static int gbcodec_mixer_dapm_ctl_get(struct snd_kcontrol *kcontrol,
 381                                       struct snd_ctl_elem_value *ucontrol)
 382 {
 383         int ret;
 384         struct gbaudio_ctl_pvt *data;
 385         struct gb_audio_ctl_elem_value gbvalue;
 386         struct gbaudio_module_info *module;
 387         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 388         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 389         struct device *codec_dev = widget->dapm->dev;
 390         struct gbaudio_codec_info *gb = dev_get_drvdata(codec_dev);
 391         struct gb_bundle *bundle;
 392
 393         dev_dbg(codec_dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 394         module = find_gb_module(gb, kcontrol->id.name);
 395         if (!module)
 396                 return -EINVAL;
 397
 398         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 399         bundle = to_gb_bundle(module->dev);
 400
 401         if (data->vcount == 2)
 402                 dev_warn(widget->dapm->dev,
 403                          "GB: Control '%s' is stereo, which is not supported\n",
 404                          kcontrol->id.name);
 405
 406         ret = gb_pm_runtime_get_sync(bundle);
 407         if (ret)
 408                 return ret;
 409
 410         ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
 411                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 412
 413         gb_pm_runtime_put_autosuspend(bundle);
 414
 415         if (ret) {
 416                 dev_err_ratelimited(codec_dev, "%d:Error in %s for %s\n", ret,
 417                                     __func__, kcontrol->id.name);
 418                 return ret;
 419         }
 420         /* update ucontrol */
 421         ucontrol->value.integer.value[0] =
 422                 le32_to_cpu(gbvalue.value.integer_value[0]);
 423
 424         return ret;
 425 }
 426
 427 static int gbcodec_mixer_dapm_ctl_put(struct snd_kcontrol *kcontrol,
 428                                       struct snd_ctl_elem_value *ucontrol)
 429 {
 430         int ret, wi, max, connect;
 431         unsigned int mask, val;
 432         struct gb_audio_ctl_elem_info *info;
 433         struct gbaudio_ctl_pvt *data;
 434         struct gb_audio_ctl_elem_value gbvalue;
 435         struct gbaudio_module_info *module;
 436         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 437         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 438         struct device *codec_dev = widget->dapm->dev;
 439         struct gbaudio_codec_info *gb = dev_get_drvdata(codec_dev);
 440         struct gb_bundle *bundle;
 441
 442         dev_dbg(codec_dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
 443         module = find_gb_module(gb, kcontrol->id.name);
 444         if (!module)
 445                 return -EINVAL;
 446
 447         data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
 448         info = (struct gb_audio_ctl_elem_info *)data->info;
 449         bundle = to_gb_bundle(module->dev);
 450
 451         if (data->vcount == 2)
 452                 dev_warn(widget->dapm->dev,
 453                          "GB: Control '%s' is stereo, which is not supported\n",
 454                          kcontrol->id.name);
 455
 456         max = le32_to_cpu(info->value.integer.max);
 457         mask = (1 << fls(max)) - 1;
 458         val = ucontrol->value.integer.value[0] & mask;
 459         connect = !!val;
 460
 461         ret = gb_pm_runtime_get_sync(bundle);
 462         if (ret)
 463                 return ret;
 464
 465         ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
 466                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 467         if (ret)
 468                 goto exit;
 469
 470         /* update ucontrol */
 471         if (le32_to_cpu(gbvalue.value.integer_value[0]) != val) {
 472                 for (wi = 0; wi < wlist->num_widgets; wi++) {
 473                         widget = wlist->widgets[wi];
 474                         snd_soc_dapm_mixer_update_power(widget->dapm, kcontrol,
 475                                                         connect, NULL);
 476                 }
 477                 gbvalue.value.integer_value[0] =
 478                         cpu_to_le32(ucontrol->value.integer.value[0]);
 479
 480                 ret = gb_audio_gb_set_control(module->mgmt_connection,
 481                                               data->ctl_id,
 482                                               GB_AUDIO_INVALID_INDEX, &gbvalue);
 483         }
 484
 485 exit:
 486         gb_pm_runtime_put_autosuspend(bundle);
 487         if (ret)
 488                 dev_err_ratelimited(codec_dev, "%d:Error in %s for %s\n", ret,
 489                                     __func__, kcontrol->id.name);
 490         return ret;
 491 }
 492
 493 #define SOC_DAPM_MIXER_GB(xname, kcount, data) \
 494 {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 495         .count = kcount, .info = gbcodec_mixer_dapm_ctl_info, \
 496         .get = gbcodec_mixer_dapm_ctl_get, .put = gbcodec_mixer_dapm_ctl_put, \
 497         .private_value = (unsigned long)data}
 498
 499 static int gbcodec_event_spk(struct snd_soc_dapm_widget *w,
 500                              struct snd_kcontrol *k, int event)
 501 {
 502         /* Ensure GB speaker is connected */
 503
 504         return 0;
 505 }
 506
 507 static int gbcodec_event_hp(struct snd_soc_dapm_widget *w,
 508                             struct snd_kcontrol *k, int event)
 509 {
 510         /* Ensure GB module supports jack slot */
 511
 512         return 0;
 513 }
 514
 515 static int gbcodec_event_int_mic(struct snd_soc_dapm_widget *w,
 516                                  struct snd_kcontrol *k, int event)
 517 {
 518         /* Ensure GB module supports jack slot */
 519
 520         return 0;
 521 }
 522
 523 static int gbaudio_validate_kcontrol_count(struct gb_audio_widget *w)
 524 {
 525         int ret = 0;
 526
 527         switch (w->type) {
 528         case snd_soc_dapm_spk:
 529         case snd_soc_dapm_hp:
 530         case snd_soc_dapm_mic:
 531         case snd_soc_dapm_output:
 532         case snd_soc_dapm_input:
 533                 if (w->ncontrols)
 534                         ret = -EINVAL;
 535                 break;
 536         case snd_soc_dapm_switch:
 537         case snd_soc_dapm_mux:
 538                 if (w->ncontrols != 1)
 539                         ret = -EINVAL;
 540                 break;
 541         default:
 542                 break;
 543         }
 544
 545         return ret;
 546 }
 547
 548 static int gbcodec_enum_ctl_get(struct snd_kcontrol *kcontrol,
 549                                 struct snd_ctl_elem_value *ucontrol)
 550 {
 551         int ret, ctl_id;
 552         struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
 553         struct gbaudio_codec_info *gb = snd_soc_component_get_drvdata(comp);
 554         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 555         struct gb_audio_ctl_elem_value gbvalue;
 556         struct gbaudio_module_info *module;
 557         struct gb_bundle *bundle;
 558
 559         module = find_gb_module(gb, kcontrol->id.name);
 560         if (!module)
 561                 return -EINVAL;
 562
 563         ctl_id = gbaudio_map_controlname(module, kcontrol->id.name);
 564         if (ctl_id < 0)
 565                 return -EINVAL;
 566
 567         bundle = to_gb_bundle(module->dev);
 568
 569         ret = gb_pm_runtime_get_sync(bundle);
 570         if (ret)
 571                 return ret;
 572
 573         ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
 574                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 575
 576         gb_pm_runtime_put_autosuspend(bundle);
 577
 578         if (ret) {
 579                 dev_err_ratelimited(comp->dev, "%d:Error in %s for %s\n", ret,
 580                                     __func__, kcontrol->id.name);
 581                 return ret;
 582         }
 583
 584         ucontrol->value.enumerated.item[0] =
 585                 le32_to_cpu(gbvalue.value.enumerated_item[0]);
 586         if (e->shift_l != e->shift_r)
 587                 ucontrol->value.enumerated.item[1] =
 588                         le32_to_cpu(gbvalue.value.enumerated_item[1]);
 589
 590         return 0;
 591 }
 592
 593 static int gbcodec_enum_ctl_put(struct snd_kcontrol *kcontrol,
 594                                 struct snd_ctl_elem_value *ucontrol)
 595 {
 596         int ret, ctl_id;
 597         struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
 598         struct gbaudio_codec_info *gb = snd_soc_component_get_drvdata(comp);
 599         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 600         struct gb_audio_ctl_elem_value gbvalue;
 601         struct gbaudio_module_info *module;
 602         struct gb_bundle *bundle;
 603
 604         module = find_gb_module(gb, kcontrol->id.name);
 605         if (!module)
 606                 return -EINVAL;
 607
 608         ctl_id = gbaudio_map_controlname(module, kcontrol->id.name);
 609         if (ctl_id < 0)
 610                 return -EINVAL;
 611
 612         if (ucontrol->value.enumerated.item[0] > e->items - 1)
 613                 return -EINVAL;
 614         gbvalue.value.enumerated_item[0] =
 615                 cpu_to_le32(ucontrol->value.enumerated.item[0]);
 616
 617         if (e->shift_l != e->shift_r) {
 618                 if (ucontrol->value.enumerated.item[1] > e->items - 1)
 619                         return -EINVAL;
 620                 gbvalue.value.enumerated_item[1] =
 621                         cpu_to_le32(ucontrol->value.enumerated.item[1]);
 622         }
 623
 624         bundle = to_gb_bundle(module->dev);
 625
 626         ret = gb_pm_runtime_get_sync(bundle);
 627         if (ret)
 628                 return ret;
 629
 630         ret = gb_audio_gb_set_control(module->mgmt_connection, ctl_id,
 631                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 632
 633         gb_pm_runtime_put_autosuspend(bundle);
 634
 635         if (ret) {
 636                 dev_err_ratelimited(comp->dev, "%d:Error in %s for %s\n",
 637                                     ret, __func__, kcontrol->id.name);
 638         }
 639
 640         return ret;
 641 }
 642
 643 static int gbaudio_tplg_create_enum_kctl(struct gbaudio_module_info *gb,
 644                                          struct snd_kcontrol_new *kctl,
 645                                          struct gb_audio_control *ctl)
 646 {
 647         struct soc_enum *gbe;
 648         struct gb_audio_enumerated *gb_enum;
 649         int i;
 650
 651         gbe = devm_kzalloc(gb->dev, sizeof(*gbe), GFP_KERNEL);
 652         if (!gbe)
 653                 return -ENOMEM;
 654
 655         gb_enum = &ctl->info.value.enumerated;
 656
 657         /* since count=1, and reg is dummy */
 658         gbe->items = le32_to_cpu(gb_enum->items);
 659         gbe->texts = gb_generate_enum_strings(gb, gb_enum);
 660         if (!gbe->texts)
 661                 return -ENOMEM;
 662
 663         /* debug enum info */
 664         dev_dbg(gb->dev, "Max:%d, name_length:%d\n", gbe->items,
 665                 le16_to_cpu(gb_enum->names_length));
 666         for (i = 0; i < gbe->items; i++)
 667                 dev_dbg(gb->dev, "src[%d]: %s\n", i, gbe->texts[i]);
 668
 669         *kctl = (struct snd_kcontrol_new)
 670                 SOC_ENUM_EXT(ctl->name, *gbe, gbcodec_enum_ctl_get,
 671                              gbcodec_enum_ctl_put);
 672         return 0;
 673 }
 674
 675 static int gbaudio_tplg_create_kcontrol(struct gbaudio_module_info *gb,
 676                                         struct snd_kcontrol_new *kctl,
 677                                         struct gb_audio_control *ctl)
 678 {
 679         int ret = 0;
 680         struct gbaudio_ctl_pvt *ctldata;
 681
 682         switch (ctl->iface) {
 683         case (__force int)SNDRV_CTL_ELEM_IFACE_MIXER:
 684                 switch (ctl->info.type) {
 685                 case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 686                         ret = gbaudio_tplg_create_enum_kctl(gb, kctl, ctl);
 687                         break;
 688                 default:
 689                         ctldata = devm_kzalloc(gb->dev,
 690                                                sizeof(struct gbaudio_ctl_pvt),
 691                                                GFP_KERNEL);
 692                         if (!ctldata)
 693                                 return -ENOMEM;
 694                         ctldata->ctl_id = ctl->id;
 695                         ctldata->data_cport = le16_to_cpu(ctl->data_cport);
 696                         ctldata->access = le32_to_cpu(ctl->access);
 697                         ctldata->vcount = ctl->count_values;
 698                         ctldata->info = &ctl->info;
 699                         *kctl = (struct snd_kcontrol_new)
 700                                 SOC_MIXER_GB(ctl->name, ctl->count, ctldata);
 701                         ctldata = NULL;
 702                         break;
 703                 }
 704                 break;
 705         default:
 706                 return -EINVAL;
 707         }
 708
 709         dev_dbg(gb->dev, "%s:%d control created\n", ctl->name, ctl->id);
 710         return ret;
 711 }
 712
 713 static int gbcodec_enum_dapm_ctl_get(struct snd_kcontrol *kcontrol,
 714                                      struct snd_ctl_elem_value *ucontrol)
 715 {
 716         int ret, ctl_id;
 717         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 718         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 719         struct gbaudio_module_info *module;
 720         struct gb_audio_ctl_elem_value gbvalue;
 721         struct device *codec_dev = widget->dapm->dev;
 722         struct gbaudio_codec_info *gb = dev_get_drvdata(codec_dev);
 723         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 724         struct gb_bundle *bundle;
 725
 726         module = find_gb_module(gb, kcontrol->id.name);
 727         if (!module)
 728                 return -EINVAL;
 729
 730         ctl_id = gbaudio_map_wcontrolname(module, kcontrol->id.name);
 731         if (ctl_id < 0)
 732                 return -EINVAL;
 733
 734         bundle = to_gb_bundle(module->dev);
 735
 736         ret = gb_pm_runtime_get_sync(bundle);
 737         if (ret)
 738                 return ret;
 739
 740         ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
 741                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 742
 743         gb_pm_runtime_put_autosuspend(bundle);
 744
 745         if (ret) {
 746                 dev_err_ratelimited(codec_dev, "%d:Error in %s for %s\n", ret,
 747                                     __func__, kcontrol->id.name);
 748                 return ret;
 749         }
 750
 751         ucontrol->value.enumerated.item[0] = le32_to_cpu(gbvalue.value.enumerated_item[0]);
 752         if (e->shift_l != e->shift_r)
 753                 ucontrol->value.enumerated.item[1] =
 754                         le32_to_cpu(gbvalue.value.enumerated_item[1]);
 755
 756         return 0;
 757 }
 758
 759 static int gbcodec_enum_dapm_ctl_put(struct snd_kcontrol *kcontrol,
 760                                      struct snd_ctl_elem_value *ucontrol)
 761 {
 762         int ret, wi, ctl_id;
 763         unsigned int val, mux, change;
 764         struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
 765         struct snd_soc_dapm_widget *widget = wlist->widgets[0];
 766         struct gb_audio_ctl_elem_value gbvalue;
 767         struct gbaudio_module_info *module;
 768         struct device *codec_dev = widget->dapm->dev;
 769         struct gbaudio_codec_info *gb = dev_get_drvdata(codec_dev);
 770         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 771         struct gb_bundle *bundle;
 772
 773         if (ucontrol->value.enumerated.item[0] > e->items - 1)
 774                 return -EINVAL;
 775
 776         module = find_gb_module(gb, kcontrol->id.name);
 777         if (!module)
 778                 return -EINVAL;
 779
 780         ctl_id = gbaudio_map_wcontrolname(module, kcontrol->id.name);
 781         if (ctl_id < 0)
 782                 return -EINVAL;
 783
 784         change = 0;
 785         bundle = to_gb_bundle(module->dev);
 786
 787         ret = gb_pm_runtime_get_sync(bundle);
 788         if (ret)
 789                 return ret;
 790
 791         ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
 792                                       GB_AUDIO_INVALID_INDEX, &gbvalue);
 793
 794         gb_pm_runtime_put_autosuspend(bundle);
 795
 796         if (ret) {
 797                 dev_err_ratelimited(codec_dev, "%d:Error in %s for %s\n", ret,
 798                                     __func__, kcontrol->id.name);
 799                 return ret;
 800         }
 801
 802         mux = ucontrol->value.enumerated.item[0];
 803         val = mux << e->shift_l;
 804
 805         if (le32_to_cpu(gbvalue.value.enumerated_item[0]) !=
 806             ucontrol->value.enumerated.item[0]) {
 807                 change = 1;
 808                 gbvalue.value.enumerated_item[0] =
 809                         cpu_to_le32(ucontrol->value.enumerated.item[0]);
 810         }
 811
 812         if (e->shift_l != e->shift_r) {
 813                 if (ucontrol->value.enumerated.item[1] > e->items - 1)
 814                         return -EINVAL;
 815                 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
 816                 if (le32_to_cpu(gbvalue.value.enumerated_item[1]) !=
 817                     ucontrol->value.enumerated.item[1]) {
 818                         change = 1;
 819                         gbvalue.value.enumerated_item[1] =
 820                                 cpu_to_le32(ucontrol->value.enumerated.item[1]);
 821                 }
 822         }
 823
 824         if (change) {
 825                 ret = gb_pm_runtime_get_sync(bundle);
 826                 if (ret)
 827                         return ret;
 828
 829                 ret = gb_audio_gb_set_control(module->mgmt_connection, ctl_id,
 830                                               GB_AUDIO_INVALID_INDEX, &gbvalue);
 831
 832                 gb_pm_runtime_put_autosuspend(bundle);
 833
 834                 if (ret) {
 835                         dev_err_ratelimited(codec_dev,
 836                                             "%d:Error in %s for %s\n", ret,
 837                                             __func__, kcontrol->id.name);
 838                 }
 839                 for (wi = 0; wi < wlist->num_widgets; wi++) {
 840                         widget = wlist->widgets[wi];
 841                         snd_soc_dapm_mux_update_power(widget->dapm, kcontrol,
 842                                                       val, e, NULL);
 843                 }
 844         }
 845
 846         return change;
 847 }
 848
 849 static int gbaudio_tplg_create_enum_ctl(struct gbaudio_module_info *gb,
 850                                         struct snd_kcontrol_new *kctl,
 851                                         struct gb_audio_control *ctl)
 852 {
 853         struct soc_enum *gbe;
 854         struct gb_audio_enumerated *gb_enum;
 855         int i;
 856
 857         gbe = devm_kzalloc(gb->dev, sizeof(*gbe), GFP_KERNEL);
 858         if (!gbe)
 859                 return -ENOMEM;
 860
 861         gb_enum = &ctl->info.value.enumerated;
 862
 863         /* since count=1, and reg is dummy */
 864         gbe->items = le32_to_cpu(gb_enum->items);
 865         gbe->texts = gb_generate_enum_strings(gb, gb_enum);
 866         if (!gbe->texts)
 867                 return -ENOMEM;
 868
 869         /* debug enum info */
 870         dev_dbg(gb->dev, "Max:%d, name_length:%d\n", gbe->items,
 871                 le16_to_cpu(gb_enum->names_length));
 872         for (i = 0; i < gbe->items; i++)
 873                 dev_dbg(gb->dev, "src[%d]: %s\n", i, gbe->texts[i]);
 874
 875         *kctl = (struct snd_kcontrol_new)
 876                 SOC_DAPM_ENUM_EXT(ctl->name, *gbe, gbcodec_enum_dapm_ctl_get,
 877                                   gbcodec_enum_dapm_ctl_put);
 878         return 0;
 879 }
 880
 881 static int gbaudio_tplg_create_mixer_ctl(struct gbaudio_module_info *gb,
 882                                          struct snd_kcontrol_new *kctl,
 883                                          struct gb_audio_control *ctl)
 884 {
 885         struct gbaudio_ctl_pvt *ctldata;
 886
 887         ctldata = devm_kzalloc(gb->dev, sizeof(struct gbaudio_ctl_pvt),
 888                                GFP_KERNEL);
 889         if (!ctldata)
 890                 return -ENOMEM;
 891         ctldata->ctl_id = ctl->id;
 892         ctldata->data_cport = le16_to_cpu(ctl->data_cport);
 893         ctldata->access = le32_to_cpu(ctl->access);
 894         ctldata->vcount = ctl->count_values;
 895         ctldata->info = &ctl->info;
 896         *kctl = (struct snd_kcontrol_new)
 897                 SOC_DAPM_MIXER_GB(ctl->name, ctl->count, ctldata);
 898
 899         return 0;
 900 }
 901
 902 static int gbaudio_tplg_create_wcontrol(struct gbaudio_module_info *gb,
 903                                         struct snd_kcontrol_new *kctl,
 904                                         struct gb_audio_control *ctl)
 905 {
 906         int ret;
 907
 908         switch (ctl->iface) {
 909         case (__force int)SNDRV_CTL_ELEM_IFACE_MIXER:
 910                 switch (ctl->info.type) {
 911                 case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
 912                         ret = gbaudio_tplg_create_enum_ctl(gb, kctl, ctl);
 913                         break;
 914                 default:
 915                         ret = gbaudio_tplg_create_mixer_ctl(gb, kctl, ctl);
 916                         break;
 917                 }
 918                 break;
 919         default:
 920                 return -EINVAL;
 921         }
 922
 923         dev_dbg(gb->dev, "%s:%d DAPM control created, ret:%d\n", ctl->name,
 924                 ctl->id, ret);
 925         return ret;
 926 }
 927
 928 static int gbaudio_widget_event(struct snd_soc_dapm_widget *w,
 929                                 struct snd_kcontrol *kcontrol, int event)
 930 {
 931         int wid;
 932         int ret;
 933         struct device *codec_dev = w->dapm->dev;
 934         struct gbaudio_codec_info *gbcodec = dev_get_drvdata(codec_dev);
 935         struct gbaudio_module_info *module;
 936         struct gb_bundle *bundle;
 937
 938         dev_dbg(codec_dev, "%s %s %d\n", __func__, w->name, event);
 939
 940         /* Find relevant module */
 941         module = find_gb_module(gbcodec, w->name);
 942         if (!module)
 943                 return -EINVAL;
 944
 945         /* map name to widget id */
 946         wid = gbaudio_map_widgetname(module, w->name);
 947         if (wid < 0) {
 948                 dev_err(codec_dev, "Invalid widget name:%s\n", w->name);
 949                 return -EINVAL;
 950         }
 951
 952         bundle = to_gb_bundle(module->dev);
 953
 954         ret = gb_pm_runtime_get_sync(bundle);
 955         if (ret)
 956                 return ret;
 957
 958         switch (event) {
 959         case SND_SOC_DAPM_PRE_PMU:
 960                 ret = gb_audio_gb_enable_widget(module->mgmt_connection, wid);
 961                 if (!ret)
 962                         ret = gbaudio_module_update(gbcodec, w, module, 1);
 963                 break;
 964         case SND_SOC_DAPM_POST_PMD:
 965                 ret = gb_audio_gb_disable_widget(module->mgmt_connection, wid);
 966                 if (!ret)
 967                         ret = gbaudio_module_update(gbcodec, w, module, 0);
 968                 break;
 969         }
 970         if (ret)
 971                 dev_err_ratelimited(codec_dev,
 972                                     "%d: widget, event:%d failed:%d\n", wid,
 973                                     event, ret);
 974
 975         gb_pm_runtime_put_autosuspend(bundle);
 976
 977         return ret;
 978 }
 979
 980 static const struct snd_soc_dapm_widget gbaudio_widgets[] = {
 981         [snd_soc_dapm_spk]      = SND_SOC_DAPM_SPK(NULL, gbcodec_event_spk),
 982         [snd_soc_dapm_hp]       = SND_SOC_DAPM_HP(NULL, gbcodec_event_hp),
 983         [snd_soc_dapm_mic]      = SND_SOC_DAPM_MIC(NULL, gbcodec_event_int_mic),
 984         [snd_soc_dapm_output]   = SND_SOC_DAPM_OUTPUT(NULL),
 985         [snd_soc_dapm_input]    = SND_SOC_DAPM_INPUT(NULL),
 986         [snd_soc_dapm_switch]   = SND_SOC_DAPM_SWITCH_E(NULL, SND_SOC_NOPM,
 987                                         0, 0, NULL,
 988                                         gbaudio_widget_event,
 989                                         SND_SOC_DAPM_PRE_PMU |
 990                                         SND_SOC_DAPM_POST_PMD),
 991         [snd_soc_dapm_pga]      = SND_SOC_DAPM_PGA_E(NULL, SND_SOC_NOPM,
 992                                         0, 0, NULL, 0,
 993                                         gbaudio_widget_event,
 994                                         SND_SOC_DAPM_PRE_PMU |
 995                                         SND_SOC_DAPM_POST_PMD),
 996         [snd_soc_dapm_mixer]    = SND_SOC_DAPM_MIXER_E(NULL, SND_SOC_NOPM,
 997                                         0, 0, NULL, 0,
 998                                         gbaudio_widget_event,
 999                                         SND_SOC_DAPM_PRE_PMU |
1000                                         SND_SOC_DAPM_POST_PMD),
1001         [snd_soc_dapm_mux]      = SND_SOC_DAPM_MUX_E(NULL, SND_SOC_NOPM,
1002                                         0, 0, NULL,
1003                                         gbaudio_widget_event,
1004                                         SND_SOC_DAPM_PRE_PMU |
1005                                         SND_SOC_DAPM_POST_PMD),
1006         [snd_soc_dapm_aif_in]   = SND_SOC_DAPM_AIF_IN_E(NULL, NULL, 0,
1007                                         SND_SOC_NOPM, 0, 0,
1008                                         gbaudio_widget_event,
1009                                         SND_SOC_DAPM_PRE_PMU |
1010                                         SND_SOC_DAPM_POST_PMD),
1011         [snd_soc_dapm_aif_out]  = SND_SOC_DAPM_AIF_OUT_E(NULL, NULL, 0,
1012                                         SND_SOC_NOPM, 0, 0,
1013                                         gbaudio_widget_event,
1014                                         SND_SOC_DAPM_PRE_PMU |
1015                                         SND_SOC_DAPM_POST_PMD),
1016 };
1017
1018 static int gbaudio_tplg_create_widget(struct gbaudio_module_info *module,
1019                                       struct snd_soc_dapm_widget *dw,
1020                                       struct gb_audio_widget *w, int *w_size)
1021 {
1022         int i, ret, csize;
1023         struct snd_kcontrol_new *widget_kctls;
1024         struct gb_audio_control *curr;
1025         struct gbaudio_control *control, *_control;
1026         size_t size;
1027         char temp_name[NAME_SIZE];
1028
1029         ret = gbaudio_validate_kcontrol_count(w);
1030         if (ret) {
1031                 dev_err(module->dev, "Invalid kcontrol count=%d for %s\n",
1032                         w->ncontrols, w->name);
1033                 return ret;
1034         }
1035
1036         /* allocate memory for kcontrol */
1037         if (w->ncontrols) {
1038                 size = sizeof(struct snd_kcontrol_new) * w->ncontrols;
1039                 widget_kctls = devm_kzalloc(module->dev, size, GFP_KERNEL);
1040                 if (!widget_kctls)
1041                         return -ENOMEM;
1042         }
1043
1044         *w_size = sizeof(struct gb_audio_widget);
1045
1046         /* create relevant kcontrols */
1047         curr = w->ctl;
1048         for (i = 0; i < w->ncontrols; i++) {
1049                 ret = gbaudio_tplg_create_wcontrol(module, &widget_kctls[i],
1050                                                    curr);
1051                 if (ret) {
1052                         dev_err(module->dev,
1053                                 "%s:%d type widget_ctl not supported\n",
1054                                 curr->name, curr->iface);
1055                         goto error;
1056                 }
1057                 control = devm_kzalloc(module->dev,
1058                                        sizeof(struct gbaudio_control),
1059                                        GFP_KERNEL);
1060                 if (!control) {
1061                         ret = -ENOMEM;
1062                         goto error;
1063                 }
1064                 control->id = curr->id;
1065                 control->name = curr->name;
1066                 control->wname = w->name;
1067
1068                 if (curr->info.type == GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED) {
1069                         struct gb_audio_enumerated *gbenum =
1070                                 &curr->info.value.enumerated;
1071
1072                         csize = offsetof(struct gb_audio_control, info);
1073                         csize += offsetof(struct gb_audio_ctl_elem_info, value);
1074                         csize += offsetof(struct gb_audio_enumerated, names);
1075                         csize += le16_to_cpu(gbenum->names_length);
1076                         control->texts = (const char * const *)
1077                                 gb_generate_enum_strings(module, gbenum);
1078                         if (!control->texts) {
1079                                 ret = -ENOMEM;
1080                                 goto error;
1081                         }
1082                         control->items = le32_to_cpu(gbenum->items);
1083                 } else {
1084                         csize = sizeof(struct gb_audio_control);
1085                 }
1086
1087                 *w_size += csize;
1088                 curr = (void *)curr + csize;
1089                 list_add(&control->list, &module->widget_ctl_list);
1090                 dev_dbg(module->dev, "%s: control of type %d created\n",
1091                         widget_kctls[i].name, widget_kctls[i].iface);
1092         }
1093
1094         /* Prefix dev_id to widget control_name */
1095         strscpy(temp_name, w->name, sizeof(temp_name));
1096         snprintf(w->name, sizeof(w->name), "GB %d %s", module->dev_id, temp_name);
1097
1098         switch (w->type) {
1099         case snd_soc_dapm_spk:
1100                 *dw = gbaudio_widgets[w->type];
1101                 module->op_devices |= GBAUDIO_DEVICE_OUT_SPEAKER;
1102                 break;
1103         case snd_soc_dapm_hp:
1104                 *dw = gbaudio_widgets[w->type];
1105                 module->op_devices |= (GBAUDIO_DEVICE_OUT_WIRED_HEADSET
1106                                         | GBAUDIO_DEVICE_OUT_WIRED_HEADPHONE);
1107                 module->ip_devices |= GBAUDIO_DEVICE_IN_WIRED_HEADSET;
1108                 break;
1109         case snd_soc_dapm_mic:
1110                 *dw = gbaudio_widgets[w->type];
1111                 module->ip_devices |= GBAUDIO_DEVICE_IN_BUILTIN_MIC;
1112                 break;
1113         case snd_soc_dapm_output:
1114         case snd_soc_dapm_input:
1115         case snd_soc_dapm_switch:
1116         case snd_soc_dapm_pga:
1117         case snd_soc_dapm_mixer:
1118         case snd_soc_dapm_mux:
1119                 *dw = gbaudio_widgets[w->type];
1120                 break;
1121         case snd_soc_dapm_aif_in:
1122         case snd_soc_dapm_aif_out:
1123                 *dw = gbaudio_widgets[w->type];
1124                 dw->sname = w->sname;
1125                 break;
1126         default:
1127                 ret = -EINVAL;
1128                 goto error;
1129         }
1130         dw->name = w->name;
1131
1132         dev_dbg(module->dev, "%s: widget of type %d created\n", dw->name,
1133                 dw->id);
1134         return 0;
1135 error:
1136         list_for_each_entry_safe(control, _control, &module->widget_ctl_list,
1137                                  list) {
1138                 list_del(&control->list);
1139                 devm_kfree(module->dev, control);
1140         }
1141         return ret;
1142 }
1143
1144 static int gbaudio_tplg_process_kcontrols(struct gbaudio_module_info *module,
1145                                           struct gb_audio_control *controls)
1146 {
1147         int i, csize, ret;
1148         struct snd_kcontrol_new *dapm_kctls;
1149         struct gb_audio_control *curr;
1150         struct gbaudio_control *control, *_control;
1151         size_t size;
1152         char temp_name[NAME_SIZE];
1153
1154         size = sizeof(struct snd_kcontrol_new) * module->num_controls;
1155         dapm_kctls = devm_kzalloc(module->dev, size, GFP_KERNEL);
1156         if (!dapm_kctls)
1157                 return -ENOMEM;
1158
1159         curr = controls;
1160         for (i = 0; i < module->num_controls; i++) {
1161                 ret = gbaudio_tplg_create_kcontrol(module, &dapm_kctls[i],
1162                                                    curr);
1163                 if (ret) {
1164                         dev_err(module->dev, "%s:%d type not supported\n",
1165                                 curr->name, curr->iface);
1166                         goto error;
1167                 }
1168                 control = devm_kzalloc(module->dev, sizeof(struct
1169                                                            gbaudio_control),
1170                                       GFP_KERNEL);
1171                 if (!control) {
1172                         ret = -ENOMEM;
1173                         goto error;
1174                 }
1175                 control->id = curr->id;
1176                 /* Prefix dev_id to widget_name */
1177                 strscpy(temp_name, curr->name, sizeof(temp_name));
1178                 snprintf(curr->name, sizeof(curr->name), "GB %d %s", module->dev_id,
1179                          temp_name);
1180                 control->name = curr->name;
1181                 if (curr->info.type == GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED) {
1182                         struct gb_audio_enumerated *gbenum =
1183                                 &curr->info.value.enumerated;
1184
1185                         csize = offsetof(struct gb_audio_control, info);
1186                         csize += offsetof(struct gb_audio_ctl_elem_info, value);
1187                         csize += offsetof(struct gb_audio_enumerated, names);
1188                         csize += le16_to_cpu(gbenum->names_length);
1189                         control->texts = (const char * const *)
1190                                 gb_generate_enum_strings(module, gbenum);
1191                         if (!control->texts) {
1192                                 ret = -ENOMEM;
1193                                 goto error;
1194                         }
1195                         control->items = le32_to_cpu(gbenum->items);
1196                 } else {
1197                         csize = sizeof(struct gb_audio_control);
1198                 }
1199
1200                 list_add(&control->list, &module->ctl_list);
1201                 dev_dbg(module->dev, "%d:%s created of type %d\n", curr->id,
1202                         curr->name, curr->info.type);
1203                 curr = (void *)curr + csize;
1204         }
1205         module->controls = dapm_kctls;
1206
1207         return 0;
1208 error:
1209         list_for_each_entry_safe(control, _control, &module->ctl_list,
1210                                  list) {
1211                 list_del(&control->list);
1212                 devm_kfree(module->dev, control);
1213         }
1214         devm_kfree(module->dev, dapm_kctls);
1215         return ret;
1216 }
1217
1218 static int gbaudio_tplg_process_widgets(struct gbaudio_module_info *module,
1219                                         struct gb_audio_widget *widgets)
1220 {
1221         int i, ret, w_size;
1222         struct snd_soc_dapm_widget *dapm_widgets;
1223         struct gb_audio_widget *curr;
1224         struct gbaudio_widget *widget, *_widget;
1225         size_t size;
1226
1227         size = sizeof(struct snd_soc_dapm_widget) * module->num_dapm_widgets;
1228         dapm_widgets = devm_kzalloc(module->dev, size, GFP_KERNEL);
1229         if (!dapm_widgets)
1230                 return -ENOMEM;
1231
1232         curr = widgets;
1233         for (i = 0; i < module->num_dapm_widgets; i++) {
1234                 ret = gbaudio_tplg_create_widget(module, &dapm_widgets[i],
1235                                                  curr, &w_size);
1236                 if (ret) {
1237                         dev_err(module->dev, "%s:%d type not supported\n",
1238                                 curr->name, curr->type);
1239                         goto error;
1240                 }
1241                 widget = devm_kzalloc(module->dev, sizeof(struct
1242                                                            gbaudio_widget),
1243                                       GFP_KERNEL);
1244                 if (!widget) {
1245                         ret = -ENOMEM;
1246                         goto error;
1247                 }
1248                 widget->id = curr->id;
1249                 widget->name = curr->name;
1250                 list_add(&widget->list, &module->widget_list);
1251                 curr = (void *)curr + w_size;
1252         }
1253         module->dapm_widgets = dapm_widgets;
1254
1255         return 0;
1256
1257 error:
1258         list_for_each_entry_safe(widget, _widget, &module->widget_list,
1259                                  list) {
1260                 list_del(&widget->list);
1261                 devm_kfree(module->dev, widget);
1262         }
1263         devm_kfree(module->dev, dapm_widgets);
1264         return ret;
1265 }
1266
1267 static int gbaudio_tplg_process_routes(struct gbaudio_module_info *module,
1268                                        struct gb_audio_route *routes)
1269 {
1270         int i, ret;
1271         struct snd_soc_dapm_route *dapm_routes;
1272         struct gb_audio_route *curr;
1273         size_t size;
1274
1275         size = sizeof(struct snd_soc_dapm_route) * module->num_dapm_routes;
1276         dapm_routes = devm_kzalloc(module->dev, size, GFP_KERNEL);
1277         if (!dapm_routes)
1278                 return -ENOMEM;
1279
1280         module->dapm_routes = dapm_routes;
1281         curr = routes;
1282
1283         for (i = 0; i < module->num_dapm_routes; i++) {
1284                 dapm_routes->sink =
1285                         gbaudio_map_widgetid(module, curr->destination_id);
1286                 if (!dapm_routes->sink) {
1287                         dev_err(module->dev, "%d:%d:%d:%d - Invalid sink\n",
1288                                 curr->source_id, curr->destination_id,
1289                                 curr->control_id, curr->index);
1290                         ret = -EINVAL;
1291                         goto error;
1292                 }
1293                 dapm_routes->source =
1294                         gbaudio_map_widgetid(module, curr->source_id);
1295                 if (!dapm_routes->source) {
1296                         dev_err(module->dev, "%d:%d:%d:%d - Invalid source\n",
1297                                 curr->source_id, curr->destination_id,
1298                                 curr->control_id, curr->index);
1299                         ret = -EINVAL;
1300                         goto error;
1301                 }
1302                 dapm_routes->control =
1303                         gbaudio_map_controlid(module,
1304                                               curr->control_id,
1305                                               curr->index);
1306                 if ((curr->control_id !=  GBAUDIO_INVALID_ID) &&
1307                     !dapm_routes->control) {
1308                         dev_err(module->dev, "%d:%d:%d:%d - Invalid control\n",
1309                                 curr->source_id, curr->destination_id,
1310                                 curr->control_id, curr->index);
1311                         ret = -EINVAL;
1312                         goto error;
1313                 }
1314                 dev_dbg(module->dev, "Route {%s, %s, %s}\n", dapm_routes->sink,
1315                         (dapm_routes->control) ? dapm_routes->control : "NULL",
1316                         dapm_routes->source);
1317                 dapm_routes++;
1318                 curr++;
1319         }
1320
1321         return 0;
1322
1323 error:
1324         devm_kfree(module->dev, module->dapm_routes);
1325         return ret;
1326 }
1327
1328 static int gbaudio_tplg_process_header(struct gbaudio_module_info *module,
1329                                        struct gb_audio_topology *tplg_data)
1330 {
1331         /* fetch no. of kcontrols, widgets & routes */
1332         module->num_controls = tplg_data->num_controls;
1333         module->num_dapm_widgets = tplg_data->num_widgets;
1334         module->num_dapm_routes = tplg_data->num_routes;
1335
1336         /* update block offset */
1337         module->dai_offset = (unsigned long)&tplg_data->data;
1338         module->control_offset = module->dai_offset +
1339                                         le32_to_cpu(tplg_data->size_dais);
1340         module->widget_offset = module->control_offset +
1341                                         le32_to_cpu(tplg_data->size_controls);
1342         module->route_offset = module->widget_offset +
1343                                         le32_to_cpu(tplg_data->size_widgets);
1344
1345         dev_dbg(module->dev, "DAI offset is 0x%lx\n", module->dai_offset);
1346         dev_dbg(module->dev, "control offset is %lx\n",
1347                 module->control_offset);
1348         dev_dbg(module->dev, "widget offset is %lx\n", module->widget_offset);
1349         dev_dbg(module->dev, "route offset is %lx\n", module->route_offset);
1350
1351         return 0;
1352 }
1353
1354 int gbaudio_tplg_parse_data(struct gbaudio_module_info *module,
1355                             struct gb_audio_topology *tplg_data)
1356 {
1357         int ret;
1358         struct gb_audio_control *controls;
1359         struct gb_audio_widget *widgets;
1360         struct gb_audio_route *routes;
1361         unsigned int jack_type;
1362
1363         if (!tplg_data)
1364                 return -EINVAL;
1365
1366         ret = gbaudio_tplg_process_header(module, tplg_data);
1367         if (ret) {
1368                 dev_err(module->dev, "%d: Error in parsing topology header\n",
1369                         ret);
1370                 return ret;
1371         }
1372
1373         /* process control */
1374         controls = (struct gb_audio_control *)module->control_offset;
1375         ret = gbaudio_tplg_process_kcontrols(module, controls);
1376         if (ret) {
1377                 dev_err(module->dev,
1378                         "%d: Error in parsing controls data\n", ret);
1379                 return ret;
1380         }
1381         dev_dbg(module->dev, "Control parsing finished\n");
1382
1383         /* process widgets */
1384         widgets = (struct gb_audio_widget *)module->widget_offset;
1385         ret = gbaudio_tplg_process_widgets(module, widgets);
1386         if (ret) {
1387                 dev_err(module->dev,
1388                         "%d: Error in parsing widgets data\n", ret);
1389                 return ret;
1390         }
1391         dev_dbg(module->dev, "Widget parsing finished\n");
1392
1393         /* process route */
1394         routes = (struct gb_audio_route *)module->route_offset;
1395         ret = gbaudio_tplg_process_routes(module, routes);
1396         if (ret) {
1397                 dev_err(module->dev,
1398                         "%d: Error in parsing routes data\n", ret);
1399                 return ret;
1400         }
1401         dev_dbg(module->dev, "Route parsing finished\n");
1402
1403         /* parse jack capabilities */
1404         jack_type = le32_to_cpu(tplg_data->jack_type);
1405         if (jack_type) {
1406                 module->jack_mask = jack_type & GBCODEC_JACK_MASK;
1407                 module->button_mask = jack_type & GBCODEC_JACK_BUTTON_MASK;
1408         }
1409
1410         return ret;
1411 }
1412
1413 void gbaudio_tplg_release(struct gbaudio_module_info *module)
1414 {
1415         struct gbaudio_control *control, *_control;
1416         struct gbaudio_widget *widget, *_widget;
1417
1418         if (!module->topology)
1419                 return;
1420
1421         /* release kcontrols */
1422         list_for_each_entry_safe(control, _control, &module->ctl_list,
1423                                  list) {
1424                 list_del(&control->list);
1425                 devm_kfree(module->dev, control);
1426         }
1427         if (module->controls)
1428                 devm_kfree(module->dev, module->controls);
1429
1430         /* release widget controls */
1431         list_for_each_entry_safe(control, _control, &module->widget_ctl_list,
1432                                  list) {
1433                 list_del(&control->list);
1434                 devm_kfree(module->dev, control);
1435         }
1436
1437         /* release widgets */
1438         list_for_each_entry_safe(widget, _widget, &module->widget_list,
1439                                  list) {
1440                 list_del(&widget->list);
1441                 devm_kfree(module->dev, widget);
1442         }
1443         if (module->dapm_widgets)
1444                 devm_kfree(module->dev, module->dapm_widgets);
1445
1446         /* release routes */
1447         if (module->dapm_routes)
1448                 devm_kfree(module->dev, module->dapm_routes);
1449 }