src/tdm_output.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <sc1.lim@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include "tdm_private.h"
  41
  42 #define COUNT_MAX   10
  43
  44 #define OUTPUT_FUNC_ENTRY() \
  45         tdm_private_display *private_display; \
  46         tdm_private_output *private_output; \
  47         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  48         TDM_RETURN_VAL_IF_FAIL(tdm_output_is_valid(output), TDM_ERROR_INVALID_PARAMETER); \
  49         private_output = (tdm_private_output*)output; \
  50         private_display = private_output->private_display
  51
  52 #define OUTPUT_FUNC_ENTRY_ERROR() \
  53         tdm_private_display *private_display; \
  54         tdm_private_output *private_output; \
  55         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  56         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(tdm_output_is_valid(output), TDM_ERROR_INVALID_PARAMETER, NULL); \
  57         private_output = (tdm_private_output*)output; \
  58         private_display = private_output->private_display
  59
  60 static void
  61 _tdm_output_vblank_timeout_update(tdm_private_output *private_output, int ms_delay);
  62
  63 static tdm_error
  64 _tdm_output_vblank_timeout_cb(void *user_data)
  65 {
  66         tdm_private_output *private_output = user_data;
  67         tdm_private_vblank_handler *v = NULL;
  68
  69         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OPERATION_FAILED);
  70
  71         TDM_ERR("TDM output(%d) vblank TIMEOUT!!", private_output->pipe);
  72
  73         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
  74                 TDM_ERR("vblank_handler(%p) interval(%d) sync(%d) sent_to_frontend(%u) owner_tid(%d)",
  75                                 v, v->interval, v->sync, v->sent_to_frontend, v->owner_tid);
  76         }
  77
  78         return TDM_ERROR_NONE;
  79 }
  80
  81 INTERN void
  82 tdm_output_vblank_print_wait_information(tdm_private_output *private_output, void *user_data)
  83 {
  84         tdm_private_vblank_handler *v = NULL;
  85
  86         TDM_RETURN_IF_FAIL(private_output != NULL);
  87         TDM_RETURN_IF_FAIL(user_data != NULL);
  88
  89         TDM_ERR("TDM output(%d) vblank user_data(%p) info!!", private_output->pipe, user_data);
  90
  91         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
  92                 if (v->user_data != user_data)
  93                         continue;
  94                 TDM_ERR("vblank_handler(%p) interval(%d) sync(%d) sent_to_frontend(%u) owner_tid(%d)",
  95                                 v, v->interval, v->sync, v->sent_to_frontend, v->owner_tid);
  96         }
  97 }
  98
  99 static void
 100 _tdm_output_vblank_timeout_update(tdm_private_output *private_output, int ms_delay)
 101 {
 102         tdm_error ret;
 103
 104         if (!private_output->vblank_timeout_timer) {
 105                 private_output->vblank_timeout_timer =
 106                         tdm_event_loop_add_timer_handler(private_output->private_display,
 107                                                                                          _tdm_output_vblank_timeout_cb,
 108                                                                                          private_output,
 109                                                                                          &ret);
 110                 if (!private_output->vblank_timeout_timer) {
 111                         TDM_ERR("output(%d) couldn't add timer", private_output->pipe);
 112                         return;
 113                 }
 114                 TDM_INFO("output(%d) create vblank timeout timer", private_output->pipe);
 115         }
 116
 117         ret = tdm_event_loop_source_timer_update(private_output->vblank_timeout_timer, ms_delay);
 118         if (ret != TDM_ERROR_NONE) {
 119                 TDM_ERR("output(%d) couldn't update timer", private_output->pipe);
 120                 return;
 121         }
 122 }
 123
 124 static tdm_private_hwc_window *
 125 _tdm_output_find_private_hwc_window(tdm_private_output *private_output,
 126                                                                 tdm_hwc_window *hwc_window_backend)
 127 {
 128         tdm_private_hwc_window *private_hwc_window = NULL;
 129
 130         LIST_FOR_EACH_ENTRY(private_hwc_window, &private_output->hwc_window_list, link) {
 131                 if (private_hwc_window->hwc_window_backend == hwc_window_backend)
 132                         return private_hwc_window;
 133         }
 134
 135         return NULL;
 136 }
 137
 138 EXTERN tdm_error
 139 tdm_output_get_model_info(tdm_output *output, const char **maker,
 140                                                   const char **model, const char **name)
 141 {
 142         OUTPUT_FUNC_ENTRY();
 143
 144         _pthread_mutex_lock(&private_display->lock);
 145
 146         if (maker)
 147                 *maker = private_output->caps.maker;
 148         if (model)
 149                 *model = private_output->caps.model;
 150         if (name)
 151                 *name = private_output->caps.name;
 152
 153         _pthread_mutex_unlock(&private_display->lock);
 154
 155         return ret;
 156 }
 157
 158 EXTERN tdm_error
 159 tdm_output_get_capabilities(tdm_output *output, tdm_output_capability *capabilities)
 160 {
 161         OUTPUT_FUNC_ENTRY();
 162
 163         TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 164
 165         _pthread_mutex_lock(&private_display->lock);
 166
 167         *capabilities = private_output->caps.capabilities;
 168
 169         _pthread_mutex_unlock(&private_display->lock);
 170
 171         return ret;
 172 }
 173
 174 EXTERN tdm_error
 175 tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status)
 176 {
 177         OUTPUT_FUNC_ENTRY();
 178
 179         TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 180
 181         _pthread_mutex_lock(&private_display->lock);
 182
 183         *status = private_output->caps.status;
 184
 185         _pthread_mutex_unlock(&private_display->lock);
 186
 187         return ret;
 188 }
 189
 190 /* LCOV_EXCL_START */
 191 static void
 192 _tdm_output_update(tdm_output *output_backend, void *user_data)
 193 {
 194         tdm_private_display *private_display;
 195         tdm_private_output *private_output = user_data;
 196         tdm_error ret;
 197
 198         TDM_RETURN_IF_FAIL(private_output);
 199
 200         private_display = private_output->private_display;
 201
 202         ret = tdm_display_update_output(private_display, output_backend, private_output->pipe);
 203         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 204 }
 205
 206 INTERN void
 207 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status,
 208                                          void *user_data)
 209 {
 210         tdm_private_display *private_display;
 211         tdm_private_output *private_output = user_data;
 212         tdm_value value;
 213
 214         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 215         TDM_RETURN_IF_FAIL(private_output);
 216
 217         private_display = private_output->private_display;
 218
 219         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
 220                 tdm_thread_cb_output_status output_status;
 221                 tdm_error ret;
 222
 223                 TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(status));
 224
 225                 _tdm_output_update(output_backend, user_data);
 226
 227                 output_status.base.type = TDM_THREAD_CB_OUTPUT_STATUS;
 228                 output_status.base.length = sizeof output_status;
 229                 output_status.output_stamp = private_output->stamp;
 230                 output_status.status = status;
 231                 output_status.user_data = user_data;
 232
 233                 value.u32 = status;
 234                 tdm_output_call_change_handler_internal(private_output,
 235                                                                                                 &private_output->change_handler_list_sub,
 236                                                                                                 TDM_OUTPUT_CHANGE_CONNECTION,
 237                                                                                                 value, 0);
 238
 239                 ret = tdm_thread_send_cb(private_display->private_loop, &output_status.base);
 240                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 241
 242                 return;
 243         }
 244
 245         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(status));
 246
 247         if (!tdm_thread_is_running())
 248                 _tdm_output_update(output_backend, user_data);
 249         private_output->caps.status = status;
 250
 251         value.u32 = status;
 252         tdm_output_call_change_handler_internal(private_output,
 253                                                                                         &private_output->change_handler_list_main,
 254                                                                                         TDM_OUTPUT_CHANGE_CONNECTION,
 255                                                                                         value, 0);
 256 }
 257 /* LCOV_EXCL_STOP */
 258
 259 EXTERN tdm_error
 260 tdm_output_add_change_handler(tdm_output *output,
 261                                                           tdm_output_change_handler func,
 262                                                           void *user_data)
 263 {
 264         tdm_private_change_handler *change_handler;
 265         OUTPUT_FUNC_ENTRY();
 266
 267         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 268
 269         _pthread_mutex_lock(&private_display->lock);
 270
 271         change_handler = calloc(1, sizeof(tdm_private_change_handler));
 272         if (!change_handler) {
 273                 /* LCOV_EXCL_START */
 274                 TDM_ERR("failed: alloc memory");
 275                 _pthread_mutex_unlock(&private_display->lock);
 276                 return TDM_ERROR_OUT_OF_MEMORY;
 277                 /* LCOV_EXCL_STOP */
 278         }
 279
 280         change_handler->private_output = private_output;
 281         change_handler->func = func;
 282         change_handler->user_data = user_data;
 283         change_handler->owner_tid = syscall(SYS_gettid);
 284
 285         if (!tdm_thread_in_display_thread(change_handler->owner_tid))
 286                 LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list_sub);
 287         else
 288                 LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list_main);
 289
 290         _pthread_mutex_unlock(&private_display->lock);
 291
 292         return ret;
 293 }
 294
 295 EXTERN void
 296 tdm_output_remove_change_handler(tdm_output *output,
 297                                                                  tdm_output_change_handler func,
 298                                                                  void *user_data)
 299 {
 300         tdm_private_display *private_display;
 301         tdm_private_output *private_output;
 302         tdm_private_change_handler *h = NULL, *hh = NULL;
 303
 304         TDM_RETURN_IF_FAIL(tdm_output_is_valid(output));
 305         TDM_RETURN_IF_FAIL(func != NULL);
 306
 307         private_output = (tdm_private_output*)output;
 308         private_display = private_output->private_display;
 309
 310         _pthread_mutex_lock(&private_display->lock);
 311
 312         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_main, link) {
 313                 if (h->func != func || h->user_data != user_data)
 314                         continue;
 315
 316                 LIST_DEL(&h->link);
 317                 free(h);
 318
 319                 _pthread_mutex_unlock(&private_display->lock);
 320
 321                 return;
 322         }
 323
 324         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_sub, link) {
 325                 if (h->func != func || h->user_data != user_data)
 326                         continue;
 327
 328                 LIST_DEL(&h->link);
 329                 free(h);
 330
 331                 _pthread_mutex_unlock(&private_display->lock);
 332
 333                 return;
 334         }
 335
 336         _pthread_mutex_unlock(&private_display->lock);
 337 }
 338
 339 EXTERN tdm_error
 340 tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
 341 {
 342         OUTPUT_FUNC_ENTRY();
 343
 344         TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
 345
 346         _pthread_mutex_lock(&private_display->lock);
 347
 348         *type = private_output->caps.type;
 349
 350         _pthread_mutex_unlock(&private_display->lock);
 351
 352         return ret;
 353 }
 354
 355 EXTERN tdm_error
 356 tdm_output_get_layer_count(tdm_output *output, int *count)
 357 {
 358         tdm_private_layer *private_layer = NULL;
 359
 360         OUTPUT_FUNC_ENTRY();
 361
 362         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 363
 364         _pthread_mutex_lock(&private_display->lock);
 365
 366         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 367                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 368                 *count = 0;
 369                 _pthread_mutex_unlock(&private_display->lock);
 370                 return TDM_ERROR_BAD_REQUEST;
 371         }
 372
 373         *count = 0;
 374         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
 375         (*count)++;
 376         if (*count == 0) {
 377                 _pthread_mutex_unlock(&private_display->lock);
 378                 return TDM_ERROR_NONE;
 379         }
 380
 381         _pthread_mutex_unlock(&private_display->lock);
 382
 383         return ret;
 384 }
 385
 386
 387 EXTERN tdm_layer *
 388 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 389 {
 390         tdm_private_layer *private_layer = NULL;
 391
 392         OUTPUT_FUNC_ENTRY_ERROR();
 393
 394         _pthread_mutex_lock(&private_display->lock);
 395
 396         if (error)
 397                 *error = TDM_ERROR_NONE;
 398
 399         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 400                 _pthread_mutex_unlock(&private_display->lock);
 401                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 402                 if (error)
 403                         *error = TDM_ERROR_BAD_REQUEST;
 404                 return NULL;
 405         }
 406
 407         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 408                 if (private_layer->index == index) {
 409                         _pthread_mutex_unlock(&private_display->lock);
 410                         return private_layer;
 411                 }
 412         }
 413
 414         _pthread_mutex_unlock(&private_display->lock);
 415
 416         return NULL;
 417 }
 418
 419 EXTERN tdm_error
 420 tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
 421                                                                         int *count)
 422 {
 423         OUTPUT_FUNC_ENTRY();
 424
 425         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 426         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 427
 428         _pthread_mutex_lock(&private_display->lock);
 429
 430         *props = (const tdm_prop *)private_output->caps.props;
 431         *count = private_output->caps.prop_count;
 432
 433         _pthread_mutex_unlock(&private_display->lock);
 434
 435         return ret;
 436 }
 437
 438 EXTERN tdm_error
 439 tdm_output_get_available_modes(tdm_output *output,
 440                                                            const tdm_output_mode **modes, int *count)
 441 {
 442         OUTPUT_FUNC_ENTRY();
 443
 444         TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
 445         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 446
 447         _pthread_mutex_lock(&private_display->lock);
 448
 449         *modes = (const tdm_output_mode *)private_output->caps.modes;
 450         *count = private_output->caps.mode_count;
 451
 452         _pthread_mutex_unlock(&private_display->lock);
 453
 454         return ret;
 455 }
 456
 457 EXTERN tdm_error
 458 tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
 459                                                           int *max_w, int *max_h, int *preferred_align)
 460 {
 461         OUTPUT_FUNC_ENTRY();
 462
 463         _pthread_mutex_lock(&private_display->lock);
 464
 465         if (min_w)
 466                 *min_w = TDM_FRONT_VALUE(private_output->caps.min_w);
 467         if (min_h)
 468                 *min_h = TDM_FRONT_VALUE(private_output->caps.min_h);
 469         if (max_w)
 470                 *max_w = TDM_FRONT_VALUE(private_output->caps.max_w);
 471         if (max_h)
 472                 *max_h = TDM_FRONT_VALUE(private_output->caps.max_h);
 473         if (preferred_align)
 474                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.preferred_align);
 475
 476         _pthread_mutex_unlock(&private_display->lock);
 477
 478         return ret;
 479 }
 480
 481 EXTERN tdm_error
 482 tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
 483                                                                          int *max_w, int *max_h, int *preferred_align)
 484 {
 485         OUTPUT_FUNC_ENTRY();
 486
 487         _pthread_mutex_lock(&private_display->lock);
 488
 489         if (!tdm_display_check_module_abi(private_display, 1, 5)) {
 490
 491                 if (min_w)
 492                         *min_w = -1;
 493                 if (min_h)
 494                         *min_h = -1;
 495                 if (max_w)
 496                         *max_w = -1;
 497                 if (max_h)
 498                         *max_h = -1;
 499                 if (preferred_align)
 500                         *preferred_align = -1;
 501
 502                 _pthread_mutex_unlock(&private_display->lock);
 503
 504                 return TDM_ERROR_BAD_MODULE;
 505         }
 506
 507         if (min_w)
 508                 *min_w = TDM_FRONT_VALUE(private_output->caps.cursor_min_w);
 509         if (min_h)
 510                 *min_h = TDM_FRONT_VALUE(private_output->caps.cursor_min_h);
 511         if (max_w)
 512                 *max_w = TDM_FRONT_VALUE(private_output->caps.cursor_max_w);
 513         if (max_h)
 514                 *max_h = TDM_FRONT_VALUE(private_output->caps.cursor_max_h);
 515         if (preferred_align)
 516                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.cursor_preferred_align);
 517
 518         _pthread_mutex_unlock(&private_display->lock);
 519
 520         return ret;
 521 }
 522
 523 EXTERN tdm_error
 524 tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
 525                                                          unsigned int *mmHeight)
 526 {
 527         OUTPUT_FUNC_ENTRY();
 528
 529         _pthread_mutex_lock(&private_display->lock);
 530
 531         if (mmWidth)
 532                 *mmWidth = private_output->caps.mmWidth;
 533         if (mmHeight)
 534                 *mmHeight = private_output->caps.mmHeight;
 535
 536         _pthread_mutex_unlock(&private_display->lock);
 537
 538         return ret;
 539 }
 540
 541 EXTERN tdm_error
 542 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
 543 {
 544         OUTPUT_FUNC_ENTRY();
 545         TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
 546
 547         _pthread_mutex_lock(&private_display->lock);
 548
 549         *subpixel = private_output->caps.subpixel;
 550
 551         _pthread_mutex_unlock(&private_display->lock);
 552
 553         return ret;
 554 }
 555
 556 EXTERN tdm_error
 557 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
 558 {
 559         OUTPUT_FUNC_ENTRY();
 560         TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
 561
 562         _pthread_mutex_lock(&private_display->lock);
 563
 564         *pipe = private_output->pipe;
 565
 566         _pthread_mutex_unlock(&private_display->lock);
 567
 568         return ret;
 569 }
 570
 571 EXTERN tdm_error
 572 tdm_output_get_primary_index(tdm_output *output, int *index)
 573 {
 574         tdm_private_layer *private_layer = NULL;
 575
 576         OUTPUT_FUNC_ENTRY();
 577         TDM_RETURN_VAL_IF_FAIL(index != NULL, TDM_ERROR_INVALID_PARAMETER);
 578
 579         _pthread_mutex_lock(&private_display->lock);
 580
 581         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 582                 if (private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_PRIMARY) {
 583                         *index = private_layer->index;
 584                         break;
 585                 }
 586         }
 587
 588         _pthread_mutex_unlock(&private_display->lock);
 589
 590         return ret;
 591 }
 592
 593 EXTERN tdm_error
 594 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
 595 {
 596         tdm_func_output *func_output;
 597         OUTPUT_FUNC_ENTRY();
 598
 599         _pthread_mutex_lock(&private_display->lock);
 600
 601         func_output = &private_display->func_output;
 602
 603         if (!func_output->output_set_property) {
 604                 /* LCOV_EXCL_START */
 605                 _pthread_mutex_unlock(&private_display->lock);
 606                 TDM_ERR("not implemented!!");
 607                 return TDM_ERROR_NOT_IMPLEMENTED;
 608                 /* LCOV_EXCL_STOP */
 609         }
 610
 611         ret = func_output->output_set_property(private_output->output_backend, id,
 612                                                                                    value);
 613
 614         _pthread_mutex_unlock(&private_display->lock);
 615
 616         return ret;
 617 }
 618
 619 EXTERN tdm_error
 620 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 621 {
 622         tdm_func_output *func_output;
 623         OUTPUT_FUNC_ENTRY();
 624
 625         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 626
 627         _pthread_mutex_lock(&private_display->lock);
 628
 629         func_output = &private_display->func_output;
 630
 631         if (!func_output->output_get_property) {
 632                 /* LCOV_EXCL_START */
 633                 _pthread_mutex_unlock(&private_display->lock);
 634                 TDM_ERR("not implemented!!");
 635                 return TDM_ERROR_NOT_IMPLEMENTED;
 636                 /* LCOV_EXCL_STOP */
 637         }
 638
 639         ret = func_output->output_get_property(private_output->output_backend, id,
 640                                                                                    value);
 641
 642         _pthread_mutex_unlock(&private_display->lock);
 643
 644         return ret;
 645 }
 646
 647 INTERN void
 648 tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 649                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 650 {
 651         tdm_private_vblank_handler *vblank_handler = user_data;
 652         tdm_private_vblank_handler *v = NULL, *vv = NULL;
 653         tdm_private_output *private_output;
 654         tdm_private_display *private_display;
 655         struct list_head clone_list;
 656         int interval, sync;
 657         pid_t tid = syscall(SYS_gettid);
 658
 659         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 660         TDM_RETURN_IF_FAIL(vblank_handler);
 661
 662         private_output = vblank_handler->private_output;
 663         private_display = private_output->private_display;
 664
 665         if (vblank_handler->owner_tid != tid) {
 666                 tdm_thread_cb_output_vblank output_vblank;
 667                 tdm_error ret;
 668
 669                 vblank_handler->sent_to_frontend = 1;
 670
 671                 output_vblank.base.type = TDM_THREAD_CB_OUTPUT_VBLANK;
 672                 output_vblank.base.length = sizeof output_vblank;
 673                 output_vblank.output_stamp = vblank_handler->private_output->stamp;
 674                 output_vblank.sequence = sequence;
 675                 output_vblank.tv_sec = tv_sec;
 676                 output_vblank.tv_usec = tv_usec;
 677                 output_vblank.user_data = user_data;
 678
 679                 ret = tdm_thread_send_cb(private_display->private_loop, &output_vblank.base);
 680                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 681
 682                 return;
 683         }
 684
 685         vblank_handler->sent_to_frontend = 0;
 686
 687         _tdm_output_vblank_timeout_update(private_output, 0);
 688
 689         if (vblank_handler->owner_tid != tid)
 690                 TDM_NEVER_GET_HERE();
 691
 692         interval = vblank_handler->interval;
 693         sync = vblank_handler->sync;
 694
 695         LIST_INITHEAD(&clone_list);
 696
 697         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 698                 if (v->interval != interval || v->sync != sync || v->owner_tid != tid)
 699                         continue;
 700
 701                 LIST_DEL(&v->link);
 702                 LIST_ADDTAIL(&v->link, &clone_list);
 703         }
 704
 705         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 706                 TDM_INFO("----------------------------------------- output(%d) got vblank", private_output->pipe);
 707
 708         _pthread_mutex_unlock(&private_display->lock);
 709         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &clone_list, link) {
 710                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 711                         TDM_INFO("handler(%p)", v);
 712
 713                 LIST_DEL(&v->link);
 714
 715                 if (v->func)
 716                         v->func(v->private_output, sequence, tv_sec, tv_usec, v->user_data);
 717
 718                 free(v);
 719         }
 720         _pthread_mutex_lock(&private_display->lock);
 721
 722         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 723                 TDM_INFO("-----------------------------------------...");
 724 }
 725
 726 INTERN void
 727 tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 728                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 729 {
 730         tdm_private_output_commit_handler *output_commit_handler = user_data;
 731         tdm_private_display *private_display;
 732         tdm_private_output *private_output;
 733         tdm_private_layer *private_layer = NULL;
 734
 735         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 736
 737         if (!output_commit_handler)
 738                 return;
 739
 740         private_output = output_commit_handler->private_output;
 741         private_display = private_output->private_display;
 742
 743         if (output_commit_handler->owner_tid != syscall(SYS_gettid)) {
 744                 tdm_thread_cb_output_commit output_commit;
 745                 tdm_error ret;
 746
 747                 output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
 748                 output_commit.base.length = sizeof output_commit;
 749                 output_commit.output_stamp = private_output->stamp;
 750                 output_commit.sequence = sequence;
 751                 output_commit.tv_sec = tv_sec;
 752                 output_commit.tv_usec = tv_usec;
 753                 output_commit.user_data = user_data;
 754
 755                 ret = tdm_thread_send_cb(private_display->private_loop, &output_commit.base);
 756                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 757
 758                 return;
 759         }
 760
 761         LIST_DEL(&output_commit_handler->link);
 762
 763         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
 764                 TDM_INFO("----------------------------------------- output(%d) committed", private_output->pipe);
 765                 TDM_INFO("handler(%p)", output_commit_handler);
 766         }
 767
 768         if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
 769                 /* In case of layer commit, the below will be handled in the layer commit callback */
 770                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 771                         if (private_layer->committed_buffer)
 772                                 tdm_layer_committed(private_layer, &private_layer->committed_buffer);
 773                 }
 774         }
 775
 776         if (output_commit_handler->func) {
 777                 _pthread_mutex_unlock(&private_display->lock);
 778                 output_commit_handler->func(private_output, sequence,
 779                                                                         tv_sec, tv_usec, output_commit_handler->user_data);
 780                 _pthread_mutex_lock(&private_display->lock);
 781         }
 782
 783         free(output_commit_handler);
 784
 785         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 786                 TDM_INFO("-----------------------------------------...");
 787 }
 788
 789 /* add_front: To distinguish between the user vblank handlers and the layer
 790  *            commit vblank handlers. The layer commit handlers will be called
 791  *            before calling the user vblank handlers.
 792  */
 793 static tdm_error
 794 _tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 795                                                 tdm_output_vblank_handler func, void *user_data,
 796                                                 unsigned int add_front)
 797 {
 798         tdm_func_output *func_output;
 799         tdm_private_vblank_handler *vblank_handler = NULL, *v = NULL;
 800         unsigned int skip_request = 0;
 801         pid_t tid = syscall(SYS_gettid);
 802
 803         OUTPUT_FUNC_ENTRY();
 804
 805         func_output = &private_display->func_output;
 806
 807         /* interval SHOULD be at least 1 */
 808         if (interval <= 0)
 809                 interval = 1;
 810
 811         if (!func_output->output_wait_vblank) {
 812                 /* LCOV_EXCL_START */
 813                 TDM_ERR("not implemented!!");
 814                 return TDM_ERROR_NOT_IMPLEMENTED;
 815                 /* LCOV_EXCL_STOP */
 816         }
 817
 818         if (!private_output->regist_vblank_cb) {
 819                 private_output->regist_vblank_cb = 1;
 820                 ret = func_output->output_set_vblank_handler(private_output->output_backend,
 821                                 tdm_output_cb_vblank);
 822         }
 823
 824         vblank_handler = calloc(1, sizeof(tdm_private_vblank_handler));
 825         if (!vblank_handler) {
 826                 /* LCOV_EXCL_START */
 827                 TDM_ERR("failed: alloc memory");
 828                 return TDM_ERROR_OUT_OF_MEMORY;
 829                 /* LCOV_EXCL_STOP */
 830         }
 831
 832         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 833                 TDM_INFO("output(%d) wait_vblank: handler(%p)", private_output->pipe, vblank_handler);
 834
 835         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 836                 if (v->interval == interval && v->sync == sync && v->owner_tid == tid) {
 837                         skip_request = 1;
 838                         break;
 839                 }
 840         }
 841
 842         if (add_front)
 843                 LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
 844         else
 845                 LIST_ADDTAIL(&vblank_handler->link, &private_output->vblank_handler_list);
 846
 847         vblank_handler->private_output = private_output;
 848         vblank_handler->interval = interval;
 849         vblank_handler->sync = sync;
 850         vblank_handler->func = func;
 851         vblank_handler->user_data = user_data;
 852         vblank_handler->owner_tid = tid;
 853
 854         /* If there is the previous request, we can skip to call output_wait_vblank() */
 855         if (!skip_request) {
 856                 ret = func_output->output_wait_vblank(private_output->output_backend, interval,
 857                                                                                           sync, vblank_handler);
 858                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 859
 860                 _tdm_output_vblank_timeout_update(private_output, 1000);
 861
 862                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 863                         TDM_INFO("output(%d) backend wait_vblank", private_output->pipe);
 864         }
 865
 866         return ret;
 867
 868 wait_failed:
 869         /* LCOV_EXCL_START */
 870         if (vblank_handler) {
 871                 LIST_DEL(&vblank_handler->link);
 872                 free(vblank_handler);
 873         }
 874         return ret;
 875         /* LCOV_EXCL_STOP */
 876 }
 877
 878 EXTERN tdm_error
 879 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 880                                            tdm_output_vblank_handler func, void *user_data)
 881 {
 882         OUTPUT_FUNC_ENTRY();
 883
 884         _pthread_mutex_lock(&private_display->lock);
 885
 886         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 887                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 888                                 tdm_dpms_str(private_output->current_dpms_value));
 889                 _pthread_mutex_unlock(&private_display->lock);
 890                 return TDM_ERROR_DPMS_OFF;
 891         }
 892
 893         ret = _tdm_output_wait_vblank(output, interval, sync, func, user_data, 0);
 894
 895         _pthread_mutex_unlock(&private_display->lock);
 896
 897         return ret;
 898 }
 899
 900 /* LCOV_EXCL_START */
 901 EXTERN tdm_error
 902 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
 903                                                                  tdm_output_vblank_handler func, void *user_data)
 904 {
 905         OUTPUT_FUNC_ENTRY();
 906
 907         _pthread_mutex_lock(&private_display->lock);
 908
 909         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 910                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 911                                 tdm_dpms_str(private_output->current_dpms_value));
 912                 _pthread_mutex_unlock(&private_display->lock);
 913                 return TDM_ERROR_DPMS_OFF;
 914         }
 915
 916         ret = _tdm_output_wait_vblank(output, interval, sync, func, user_data, 1);
 917
 918         _pthread_mutex_unlock(&private_display->lock);
 919
 920         return ret;
 921 }
 922 /* LCOV_EXCL_STOP */
 923
 924 INTERN void
 925 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
 926 {
 927         tdm_private_output *private_output = (tdm_private_output*)output;
 928         tdm_private_vblank_handler *v = NULL;
 929
 930         TDM_RETURN_IF_FAIL(private_output != NULL);
 931         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 932
 933         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 934                 if (v->func == func && v->user_data == user_data) {
 935                         /* only set func & user_data to NULL. It will be freed when an event occurs */
 936                         v->func = NULL;
 937                         v->user_data = NULL;
 938                         break;
 939                 }
 940         }
 941 }
 942
 943 INTERN void
 944 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data)
 945 {
 946         tdm_private_output *private_output = (tdm_private_output*)output;
 947         tdm_private_output_commit_handler *c = NULL;
 948
 949         TDM_RETURN_IF_FAIL(private_output != NULL);
 950         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 951
 952         LIST_FOR_EACH_ENTRY(c, &private_output->output_commit_handler_list, link) {
 953                 if (c->func == func && c->user_data == user_data) {
 954                         /* only set func & user_data to NULL. It will be freed when an event occurs */
 955                         c->func = NULL;
 956                         c->user_data = NULL;
 957                         break;
 958                 }
 959         }
 960 }
 961
 962 EXTERN tdm_error
 963 tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
 964 {
 965         OUTPUT_FUNC_ENTRY();
 966
 967         _pthread_mutex_lock(&private_display->lock);
 968
 969         tdm_output_remove_vblank_handler_internal(output, func, user_data);
 970
 971         _pthread_mutex_unlock(&private_display->lock);
 972
 973         return ret;
 974 }
 975
 976 EXTERN tdm_error
 977 tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data)
 978 {
 979         OUTPUT_FUNC_ENTRY();
 980
 981         _pthread_mutex_lock(&private_display->lock);
 982
 983         tdm_output_remove_commit_handler_internal(output, func, user_data);
 984
 985         _pthread_mutex_unlock(&private_display->lock);
 986
 987         return ret;
 988 }
 989
 990 INTERN tdm_error
 991 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
 992 {
 993         tdm_func_output *func_output;
 994         tdm_private_output_commit_handler *output_commit_handler = NULL;
 995         tdm_private_layer *private_layer = NULL;
 996         tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
 997
 998         OUTPUT_FUNC_ENTRY();
 999
1000         func_output = &private_display->func_output;
1001
1002         if (!func_output->output_commit) {
1003                 /* LCOV_EXCL_START */
1004                 TDM_ERR("not implemented!!");
1005                 return TDM_ERROR_NOT_IMPLEMENTED;
1006                 /* LCOV_EXCL_STOP */
1007         }
1008
1009         ret = tdm_output_get_dpms_internal(output, &dpms_value);
1010         TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
1011
1012         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1013                 if (func) {
1014                         if (!private_output->regist_commit_cb) {
1015                                 private_output->regist_commit_cb = 1;
1016                                 ret = func_output->output_set_commit_handler(private_output->output_backend,
1017                                                         tdm_output_cb_commit);
1018                                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1019                         }
1020
1021                         output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
1022                         if (!output_commit_handler) {
1023                                 /* LCOV_EXCL_START */
1024                                 TDM_ERR("failed: alloc memory");
1025                                 return TDM_ERROR_OUT_OF_MEMORY;
1026                                 /* LCOV_EXCL_STOP */
1027                         }
1028
1029                         LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
1030                         output_commit_handler->private_output = private_output;
1031                         output_commit_handler->func = func;
1032                         output_commit_handler->user_data = user_data;
1033                         output_commit_handler->owner_tid = syscall(SYS_gettid);
1034                 }
1035
1036                 ret = func_output->output_commit(private_output->output_backend, sync,
1037                                 output_commit_handler);
1038                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1039
1040                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
1041                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
1042                                         private_output->pipe, output_commit_handler, func, user_data);
1043         }
1044
1045         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
1046          * for tdm_layer_committed() function.
1047          */
1048         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1049                 if (!private_layer->waiting_buffer)
1050                         continue;
1051
1052                 private_layer->committed_buffer = private_layer->waiting_buffer;
1053                 private_layer->waiting_buffer = NULL;
1054                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1055                         TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
1056                                          private_layer, private_layer->waiting_buffer,
1057                                          private_layer->committed_buffer->buffer);
1058         }
1059
1060         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1061                 TDM_WRN("dpms %s. Directly call commit handler instead of commit.", tdm_dpms_str(dpms_value));
1062                 if (func)
1063                         func(output, 0, 0, 0, user_data);
1064         }
1065
1066         return ret;
1067
1068 commit_failed:
1069         /* LCOV_EXCL_START */
1070         if (output_commit_handler) {
1071                 LIST_DEL(&output_commit_handler->link);
1072                 free(output_commit_handler);
1073         }
1074         return ret;
1075         /* LCOV_EXCL_STOP */
1076 }
1077
1078 EXTERN tdm_error
1079 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
1080                                   void *user_data)
1081 {
1082         tdm_private_layer *private_layer = NULL;
1083
1084         OUTPUT_FUNC_ENTRY();
1085
1086         _pthread_mutex_lock(&private_display->lock);
1087
1088         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE)
1089                 private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
1090         else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1091                 TDM_ERR("Can't supported. Use tdm_layer_commit");
1092                 _pthread_mutex_unlock(&private_display->lock);
1093                 return TDM_ERROR_BAD_REQUEST;
1094         }
1095
1096         if (private_output->commit_per_vblank) {
1097                 TDM_ERR("Use tdm_layer_commit");
1098                 _pthread_mutex_unlock(&private_display->lock);
1099                 return TDM_ERROR_BAD_REQUEST;
1100         }
1101
1102         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1103                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
1104                                 tdm_dpms_str(private_output->current_dpms_value));
1105                 _pthread_mutex_unlock(&private_display->lock);
1106                 return TDM_ERROR_DPMS_OFF;
1107         }
1108
1109         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1110                 TDM_INFO("output(%d) commit", private_output->pipe);
1111
1112         /* apply the pending data of all layers */
1113         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1114                 tdm_layer_commit_pending_data(private_layer);
1115         }
1116
1117         ret = tdm_output_commit_internal(output, sync, func, user_data);
1118
1119         _pthread_mutex_unlock(&private_display->lock);
1120
1121         return ret;
1122 }
1123
1124 EXTERN tdm_error
1125 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
1126 {
1127         tdm_func_output *func_output;
1128         OUTPUT_FUNC_ENTRY();
1129
1130         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1131
1132         _pthread_mutex_lock(&private_display->lock);
1133
1134         func_output = &private_display->func_output;
1135
1136         if (!func_output->output_set_mode) {
1137                 /* LCOV_EXCL_START */
1138                 _pthread_mutex_unlock(&private_display->lock);
1139                 TDM_ERR("not implemented!!");
1140                 return TDM_ERROR_NOT_IMPLEMENTED;
1141                 /* LCOV_EXCL_STOP */
1142         }
1143
1144         ret = func_output->output_set_mode(private_output->output_backend, mode);
1145         if (ret == TDM_ERROR_NONE) {
1146                 private_output->current_mode = mode;
1147                 TDM_INFO("mode: %dx%d %dhz", mode->hdisplay, mode->vdisplay, mode->vrefresh);
1148         }
1149
1150         _pthread_mutex_unlock(&private_display->lock);
1151
1152         return ret;
1153 }
1154
1155 EXTERN tdm_error
1156 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
1157 {
1158         OUTPUT_FUNC_ENTRY();
1159
1160         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1161
1162         _pthread_mutex_lock(&private_display->lock);
1163
1164         *mode = private_output->current_mode;
1165
1166         _pthread_mutex_unlock(&private_display->lock);
1167
1168         return ret;
1169 }
1170
1171 static tdm_error
1172 _tdm_output_dpms_changed_timeout(void *user_data)
1173 {
1174         tdm_private_output *private_output = user_data;
1175         tdm_value value;
1176
1177         value.u32 = private_output->current_dpms_value;
1178         tdm_output_call_change_handler_internal(private_output,
1179                                                                                         &private_output->change_handler_list_sub,
1180                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1181                                                                                         value, 0);
1182
1183         return TDM_ERROR_NONE;
1184 }
1185
1186 static tdm_error
1187 tdm_output_call_dpms_change_handler(tdm_output *output)
1188 {
1189         tdm_private_output *private_output = (tdm_private_output*)output;
1190         tdm_value value;
1191
1192         /** Use timer to call the output change callback of the sub-thread.
1193          * The output change callback of tdm_server and tdm_vblank was called
1194          * in the main thread. And it made the multi thread issue. If we use
1195          * the timer, we can call the sub-thread's output change callback in
1196          * sub-thread.
1197          */
1198         if (!private_output->dpms_changed_timer) {
1199                 private_output->dpms_changed_timer =
1200                         tdm_event_loop_add_timer_handler(private_output->private_display,
1201                                                                                          _tdm_output_dpms_changed_timeout, private_output, NULL);
1202                 if (!private_output->dpms_changed_timer) {
1203                         /* LCOV_EXCL_START */
1204                         TDM_ERR("can't create dpms timer!!");
1205                         return TDM_ERROR_OUT_OF_MEMORY;
1206                         /* LCOV_EXCL_STOP */
1207                 }
1208         }
1209
1210         value.u32 = private_output->current_dpms_value;
1211         tdm_output_call_change_handler_internal(private_output,
1212                                                                                         &private_output->change_handler_list_main,
1213                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1214                                                                                         value, 0);
1215
1216         if (!LIST_IS_EMPTY(&private_output->change_handler_list_sub)) {
1217                 tdm_error ret = tdm_event_loop_source_timer_update(private_output->dpms_changed_timer, 1);
1218                 if (ret != TDM_ERROR_NONE)
1219                         TDM_NEVER_GET_HERE();
1220         }
1221
1222         return TDM_ERROR_NONE;
1223 }
1224
1225 /* LCOV_EXCL_START */
1226 INTERN void
1227 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms, void *user_data)
1228 {
1229         tdm_private_display *private_display;
1230         tdm_private_output *private_output = user_data;
1231         tdm_value value;
1232
1233         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1234         TDM_RETURN_IF_FAIL(private_output);
1235
1236         private_display = private_output->private_display;
1237
1238         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
1239                 tdm_thread_cb_output_dpms output_dpms;
1240                 tdm_error ret;
1241
1242                 _tdm_output_update(output_backend, user_data);
1243
1244                 output_dpms.base.type = TDM_THREAD_CB_OUTPUT_DPMS;
1245                 output_dpms.base.length = sizeof output_dpms;
1246                 output_dpms.output_stamp = private_output->stamp;
1247                 output_dpms.dpms = dpms;
1248                 output_dpms.user_data = user_data;
1249
1250                 value.u32 = dpms;
1251                 tdm_output_call_change_handler_internal(private_output,
1252                                                                                                 &private_output->change_handler_list_sub,
1253                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1254                                                                                                 value, 0);
1255
1256                 ret = tdm_thread_send_cb(private_display->private_loop, &output_dpms.base);
1257                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1258
1259                 return;
1260         }
1261
1262         private_output->current_dpms_value = dpms;
1263         private_output->waiting_dpms_change = 0;
1264
1265         TDM_INFO("output(%d) dpms async '%s' done", private_output->pipe, tdm_dpms_str(dpms));
1266
1267         value.u32 = dpms;
1268         tdm_output_call_change_handler_internal(private_output,
1269                                                                                         &private_output->change_handler_list_main,
1270                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1271                                                                                         value, 0);
1272 }
1273 /* LCOV_EXCL_STOP */
1274
1275 EXTERN tdm_error
1276 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1277 {
1278         tdm_func_output *func_output;
1279         OUTPUT_FUNC_ENTRY();
1280
1281         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1282                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1283                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1284                         return TDM_ERROR_BAD_REQUEST;
1285                 }
1286
1287                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1288                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1289                                         private_output->pipe, tdm_dpms_str(dpms_value));
1290                         return TDM_ERROR_BAD_REQUEST;
1291                 }
1292         }
1293
1294         _pthread_mutex_lock(&private_display->lock);
1295
1296         if (private_output->waiting_dpms_change) {
1297                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1298                 _pthread_mutex_unlock(&private_display->lock);
1299                 return TDM_ERROR_BAD_REQUEST;
1300         }
1301
1302         func_output = &private_display->func_output;
1303
1304         TDM_INFO("output(%d) dpms '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1305
1306         if (func_output->output_set_dpms)
1307                 ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1308         else {
1309                 /* LCOV_EXCL_START */
1310                 ret = TDM_ERROR_NONE;
1311                 TDM_WRN("not implemented!!");
1312                 goto done;
1313                 /* LCOV_EXCL_STOP */
1314         }
1315
1316 done:
1317         if (ret == TDM_ERROR_NONE) {
1318                 if (private_output->current_dpms_value != dpms_value) {
1319                         private_output->current_dpms_value = dpms_value;
1320                         TDM_INFO("output(%d) dpms '%s' done", private_output->pipe, tdm_dpms_str(dpms_value));
1321                         tdm_output_call_dpms_change_handler(output);
1322                 }
1323         } else {
1324                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1325
1326                 /* update current_dpms_value forcely */
1327                 tdm_output_get_dpms_internal(output, &temp);
1328
1329                 TDM_ERR("output(%d) set_dpms failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1330         }
1331
1332         _pthread_mutex_unlock(&private_display->lock);
1333
1334         return ret;
1335 }
1336
1337 /* LCOV_EXCL_START */
1338 EXTERN tdm_error
1339 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
1340 {
1341         tdm_func_output *func_output;
1342         OUTPUT_FUNC_ENTRY();
1343
1344         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_ASYNC_DPMS)) {
1345                 TDM_ERR("output doesn't support the asynchronous DPMS control!");
1346                 return TDM_ERROR_BAD_REQUEST;
1347         }
1348
1349         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1350                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1351                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1352                         return TDM_ERROR_BAD_REQUEST;
1353                 }
1354
1355                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1356                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1357                                         private_output->pipe, tdm_dpms_str(dpms_value));
1358                         return TDM_ERROR_BAD_REQUEST;
1359                 }
1360         }
1361
1362         _pthread_mutex_lock(&private_display->lock);
1363
1364         if (private_output->waiting_dpms_change) {
1365                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1366                 _pthread_mutex_unlock(&private_display->lock);
1367                 return TDM_ERROR_BAD_REQUEST;
1368         }
1369
1370         func_output = &private_display->func_output;
1371         if (!func_output->output_set_dpms_handler) {
1372                 TDM_ERR("not implemented: output_set_dpms_handler");
1373                 _pthread_mutex_unlock(&private_display->lock);
1374                 return TDM_ERROR_NOT_IMPLEMENTED;
1375         }
1376
1377         if (!func_output->output_set_dpms_async) {
1378                 TDM_ERR("not implemented: output_set_dpms_async");
1379                 _pthread_mutex_unlock(&private_display->lock);
1380                 return TDM_ERROR_NOT_IMPLEMENTED;
1381         }
1382
1383         if (!private_output->regist_dpms_cb) {
1384                 private_output->regist_dpms_cb = 1;
1385                 ret = func_output->output_set_dpms_handler(private_output->output_backend,
1386                                 tdm_output_cb_dpms, private_output);
1387                 if (ret != TDM_ERROR_NONE) {
1388                         _pthread_mutex_unlock(&private_display->lock);
1389                         TDM_ERR("Can't set the dpms handler!!");
1390                         return ret;
1391                 }
1392         }
1393
1394         TDM_INFO("output(%d) dpms async '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1395
1396         ret = func_output->output_set_dpms_async(private_output->output_backend, dpms_value);
1397
1398         if (ret == TDM_ERROR_NONE) {
1399                 private_output->waiting_dpms_change = 1;
1400                 TDM_INFO("output(%d) dpms async '%s' waiting", private_output->pipe, tdm_dpms_str(dpms_value));
1401         } else {
1402                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1403
1404                 /* update current_dpms_value forcely */
1405                 tdm_output_get_dpms_internal(output, &temp);
1406
1407                 TDM_ERR("output(%d) set_dpms_async failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1408         }
1409
1410         _pthread_mutex_unlock(&private_display->lock);
1411
1412         return ret;
1413 }
1414 /* LCOV_EXCL_STOP */
1415
1416 INTERN tdm_error
1417 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1418 {
1419         tdm_func_output *func_output;
1420         OUTPUT_FUNC_ENTRY();
1421
1422         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1423
1424         /* TODO: this is ugly. But before calling backend's output_get_dpms(), we have
1425          * to check if all backends's DPMS operation has no problem. In future, we'd
1426          * better use new env instead of using commit_per_vblank variable to distinguish
1427          * whether we use the stored value or backend's output_get_dpms.
1428          */
1429         if (!private_output->commit_per_vblank) {
1430                 *dpms_value = private_output->current_dpms_value;
1431                 return TDM_ERROR_NONE;
1432         }
1433
1434         func_output = &private_display->func_output;
1435
1436         if (!func_output->output_get_dpms) {
1437                 /* LCOV_EXCL_START */
1438                 *dpms_value = private_output->current_dpms_value;
1439                 TDM_WRN("not implemented!!");
1440                 return TDM_ERROR_NONE;
1441                 /* LCOV_EXCL_STOP */
1442         }
1443
1444         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1445         if (ret != TDM_ERROR_NONE) {
1446                 /* LCOV_EXCL_START */
1447                 TDM_ERR("output_get_dpms failed");
1448                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1449                 /* LCOV_EXCL_STOP */
1450         }
1451
1452         /* checking with backend's value */
1453         if (*dpms_value != private_output->current_dpms_value) {
1454                 TDM_ERR("output(%d) dpms changed suddenly: %s -> %s",
1455                                 private_output->pipe, private_output->current_dpms_value,
1456                                 tdm_dpms_str(*dpms_value));
1457                 private_output->current_dpms_value = *dpms_value;
1458                 tdm_output_call_dpms_change_handler(output);
1459         }
1460
1461         return ret;
1462 }
1463
1464 EXTERN tdm_error
1465 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1466 {
1467         OUTPUT_FUNC_ENTRY();
1468
1469         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1470
1471         _pthread_mutex_lock(&private_display->lock);
1472
1473         ret = tdm_output_get_dpms_internal(output, dpms_value);
1474
1475         _pthread_mutex_unlock(&private_display->lock);
1476
1477         return ret;
1478 }
1479
1480 EXTERN tdm_capture *
1481 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1482 {
1483         tdm_capture *capture = NULL;
1484
1485         OUTPUT_FUNC_ENTRY_ERROR();
1486
1487         _pthread_mutex_lock(&private_display->lock);
1488
1489         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1490
1491         _pthread_mutex_unlock(&private_display->lock);
1492
1493         return capture;
1494 }
1495
1496 EXTERN tdm_hwc_window *
1497 tdm_output_hwc_create_window(tdm_output *output, tdm_error *error)
1498 {
1499         tdm_hwc_window *hwc_window = NULL;
1500
1501         OUTPUT_FUNC_ENTRY_ERROR();
1502
1503         _pthread_mutex_lock(&private_display->lock);
1504
1505         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1506                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, 0, error);
1507         else {
1508                 /* LCOV_EXCL_START */
1509                 TDM_ERR("output(%p) not support HWC", private_output);
1510                 if (error)
1511                         *error = TDM_ERROR_BAD_REQUEST;
1512                 /* LCOV_EXCL_STOP */
1513         }
1514
1515         _pthread_mutex_unlock(&private_display->lock);
1516
1517         return hwc_window;
1518 }
1519
1520 EXTERN tdm_hwc_window *
1521 tdm_output_hwc_create_video_window(tdm_output *output, tdm_error *error)
1522 {
1523         tdm_hwc_window *hwc_window = NULL;
1524
1525         OUTPUT_FUNC_ENTRY_ERROR();
1526
1527         _pthread_mutex_lock(&private_display->lock);
1528
1529         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1530                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, 1, error);
1531         else {
1532                 /* LCOV_EXCL_START */
1533                 TDM_ERR("output(%p) not support HWC", private_output);
1534                 if (error)
1535                         *error = TDM_ERROR_BAD_REQUEST;
1536                 /* LCOV_EXCL_STOP */
1537         }
1538
1539         _pthread_mutex_unlock(&private_display->lock);
1540
1541         return hwc_window;
1542 }
1543
1544 EXTERN tdm_error
1545 tdm_output_hwc_destroy_window(tdm_output *output, tdm_hwc_window *hwc_window)
1546 {
1547         OUTPUT_FUNC_ENTRY();
1548
1549         TDM_RETURN_VAL_IF_FAIL(hwc_window != NULL, TDM_ERROR_INVALID_PARAMETER);
1550
1551         _pthread_mutex_lock(&private_display->lock);
1552
1553         ret = tdm_hwc_window_destroy_internal(hwc_window);
1554
1555         _pthread_mutex_unlock(&private_display->lock);
1556
1557         return ret;
1558 }
1559
1560 EXTERN tdm_error
1561 tdm_output_hwc_validate(tdm_output *output, tdm_hwc_window **composited_wnds,
1562                                                                         uint32_t num_wnds, uint32_t *num_types)
1563 {
1564         tdm_func_output *func_output = NULL;
1565         tdm_private_hwc_window **composited_wnds_frontend = NULL;
1566         tdm_hwc_window **composited_wnds_backend = NULL;
1567         int i;
1568
1569         OUTPUT_FUNC_ENTRY();
1570
1571         TDM_RETURN_VAL_IF_FAIL(num_types != NULL, TDM_ERROR_INVALID_PARAMETER);
1572
1573         _pthread_mutex_lock(&private_display->lock);
1574
1575         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1576                 TDM_ERR("output(%p) not support HWC", private_output);
1577                 _pthread_mutex_unlock(&private_display->lock);
1578                 return TDM_ERROR_BAD_REQUEST;
1579         }
1580
1581         func_output = &private_display->func_output;
1582
1583         if (!func_output->output_hwc_validate) {
1584                 /* LCOV_EXCL_START */
1585                 _pthread_mutex_unlock(&private_display->lock);
1586                 TDM_ERR("not implemented!!");
1587                 return TDM_ERROR_NOT_IMPLEMENTED;
1588                 /* LCOV_EXCL_STOP */
1589         }
1590
1591         if (num_wnds == 0) {
1592                 ret = func_output->output_hwc_validate(private_output->output_backend, NULL, 0, num_types);
1593
1594                 _pthread_mutex_unlock(&private_display->lock);
1595
1596                 return ret;
1597         }
1598
1599         composited_wnds_backend = calloc(num_wnds, sizeof(tdm_hwc_window *));
1600         if (!composited_wnds_backend) {
1601                 /* LCOV_EXCL_START */
1602                 _pthread_mutex_unlock(&private_display->lock);
1603                 return TDM_ERROR_OUT_OF_MEMORY;
1604                 /* LCOV_EXCL_STOP */
1605         }
1606
1607         composited_wnds_frontend = (tdm_private_hwc_window **)composited_wnds;
1608
1609         for (i = 0; i < num_wnds; i++)
1610                 composited_wnds_backend[i] = composited_wnds_frontend[i]->hwc_window_backend;
1611
1612         ret = func_output->output_hwc_validate(private_output->output_backend, composited_wnds_backend, num_wnds, num_types);
1613
1614         free(composited_wnds_backend);
1615
1616         _pthread_mutex_unlock(&private_display->lock);
1617
1618         return ret;
1619 }
1620
1621 EXTERN tdm_error
1622 tdm_output_hwc_set_need_validate_handler(tdm_output *output,
1623                 tdm_output_need_validate_handler hndl)
1624 {
1625         OUTPUT_FUNC_ENTRY();
1626
1627         TDM_RETURN_VAL_IF_FAIL(hndl != NULL, TDM_ERROR_INVALID_PARAMETER);
1628
1629         _pthread_mutex_lock(&private_display->lock);
1630
1631         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1632                 TDM_ERR("output(%p) not support HWC", private_output);
1633                 _pthread_mutex_unlock(&private_display->lock);
1634                 return TDM_ERROR_BAD_REQUEST;
1635         }
1636
1637         /* there's no reason to allow this */
1638         if (private_output->need_validate.hndl) {
1639
1640                 _pthread_mutex_unlock(&private_display->lock);
1641                 return TDM_ERROR_OPERATION_FAILED;
1642         }
1643
1644         private_output->need_validate.hndl = hndl;
1645
1646         _pthread_mutex_unlock(&private_display->lock);
1647
1648         return ret;
1649 }
1650
1651 EXTERN tdm_error
1652 tdm_output_hwc_get_changed_composition_types(tdm_output *output,
1653                                                                                  uint32_t *num_elements,
1654                                                                                  tdm_hwc_window **hwc_window,
1655                                                                                  tdm_hwc_window_composition *composition_types)
1656 {
1657         tdm_func_output *func_output = NULL;
1658         tdm_private_hwc_window * private_hwc_window = NULL;
1659         int i = 0;
1660
1661         OUTPUT_FUNC_ENTRY();
1662
1663         TDM_RETURN_VAL_IF_FAIL(num_elements != NULL, TDM_ERROR_INVALID_PARAMETER);
1664
1665         _pthread_mutex_lock(&private_display->lock);
1666
1667         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1668                 TDM_ERR("output(%p) not support HWC", private_output);
1669                 _pthread_mutex_unlock(&private_display->lock);
1670                 return TDM_ERROR_BAD_REQUEST;
1671         }
1672
1673         func_output = &private_display->func_output;
1674
1675         if (!func_output->output_hwc_get_changed_composition_types) {
1676                 /* LCOV_EXCL_START */
1677                 _pthread_mutex_unlock(&private_display->lock);
1678                 TDM_ERR("not implemented!!");
1679                 return TDM_ERROR_NOT_IMPLEMENTED;
1680                 /* LCOV_EXCL_STOP */
1681         }
1682
1683         ret = func_output->output_hwc_get_changed_composition_types(private_output->output_backend,
1684                                                         num_elements, hwc_window, composition_types);
1685         if (ret != TDM_ERROR_NONE) {
1686                 /* LCOV_EXCL_START */
1687                 _pthread_mutex_unlock(&private_display->lock);
1688                 return ret;
1689                 /* LCOV_EXCL_STOP */
1690         }
1691
1692         if (hwc_window == NULL || composition_types == NULL) {
1693                 _pthread_mutex_unlock(&private_display->lock);
1694                 return TDM_ERROR_NONE;
1695         }
1696
1697         for (i = 0; i < *num_elements; i++) {
1698
1699                 private_hwc_window = _tdm_output_find_private_hwc_window(private_output, hwc_window[i]);
1700
1701                 if (private_hwc_window == NULL) {
1702                         /* LCOV_EXCL_START */
1703                         TDM_ERR("failed! This should never happen!");
1704                         func_output->output_hwc_destroy_window(private_output->output_backend, hwc_window[i]);
1705                         *num_elements = 0;
1706                         _pthread_mutex_unlock(&private_display->lock);
1707                         return TDM_ERROR_OPERATION_FAILED;
1708                         /* LCOV_EXCL_STOP */
1709                 }
1710
1711                 hwc_window[i] = (tdm_hwc_window*)private_hwc_window;
1712         }
1713
1714         _pthread_mutex_unlock(&private_display->lock);
1715
1716         return ret;
1717 }
1718
1719 tdm_error
1720 tdm_output_hwc_accept_changes(tdm_output *output)
1721 {
1722         tdm_func_output *func_output = NULL;
1723
1724         OUTPUT_FUNC_ENTRY();
1725
1726         _pthread_mutex_lock(&private_display->lock);
1727
1728         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1729                 TDM_ERR("output(%p) not support HWC", private_output);
1730                 _pthread_mutex_unlock(&private_display->lock);
1731                 return TDM_ERROR_BAD_REQUEST;
1732         }
1733
1734         func_output = &private_display->func_output;
1735
1736         if (!func_output->output_hwc_validate) {
1737                 /* LCOV_EXCL_START */
1738                 _pthread_mutex_unlock(&private_display->lock);
1739                 TDM_ERR("not implemented!!");
1740                 return TDM_ERROR_NOT_IMPLEMENTED;
1741                 /* LCOV_EXCL_STOP */
1742         }
1743
1744         ret = func_output->output_hwc_accept_changes(private_output->output_backend);
1745
1746         _pthread_mutex_unlock(&private_display->lock);
1747
1748         return ret;
1749 }
1750
1751 tbm_surface_queue_h
1752 tdm_output_hwc_get_target_buffer_queue(tdm_output *output, tdm_error *error)
1753 {
1754         tdm_func_output *func_output = NULL;
1755         tbm_surface_queue_h queue = NULL;
1756
1757         OUTPUT_FUNC_ENTRY_ERROR();
1758
1759         _pthread_mutex_lock(&private_display->lock);
1760
1761         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1762                 TDM_ERR("output(%p) not support HWC", private_output);
1763                 if (error)
1764                         *error = TDM_ERROR_BAD_REQUEST;
1765                 _pthread_mutex_unlock(&private_display->lock);
1766                 return NULL;
1767         }
1768
1769         func_output = &private_display->func_output;
1770
1771         if (!func_output->output_hwc_get_target_buffer_queue) {
1772                 /* LCOV_EXCL_START */
1773                 _pthread_mutex_unlock(&private_display->lock);
1774                 TDM_ERR("not implemented!!");
1775                 return NULL;
1776                 /* LCOV_EXCL_STOP */
1777         }
1778
1779         queue = func_output->output_hwc_get_target_buffer_queue(private_output->output_backend, error);
1780
1781         _pthread_mutex_unlock(&private_display->lock);
1782
1783         return queue;
1784 }
1785
1786 EXTERN tdm_error
1787 tdm_output_hwc_set_client_target_buffer(tdm_output *output, tbm_surface_h target_buffer, tdm_hwc_region damage)
1788 {
1789         tdm_func_output *func_output = NULL;
1790
1791         OUTPUT_FUNC_ENTRY();
1792
1793         _pthread_mutex_lock(&private_display->lock);
1794
1795         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1796                 TDM_ERR("output(%p) not support HWC", private_output);
1797                 _pthread_mutex_unlock(&private_display->lock);
1798                 return TDM_ERROR_BAD_REQUEST;
1799         }
1800
1801         if (tdm_debug_dump & TDM_DUMP_FLAG_WINDOW) {
1802                 /* LCOV_EXCL_START */
1803                 char str[TDM_PATH_LEN];
1804                 static int i;
1805                 snprintf(str, TDM_PATH_LEN, "target_window_%d_%03d",
1806                                  private_output->index, i++);
1807                 tdm_helper_dump_buffer_str(target_buffer, tdm_debug_dump_dir, str);
1808                 /* LCOV_EXCL_STOP */
1809         }
1810
1811         func_output = &private_display->func_output;
1812
1813         if (!func_output->output_hwc_set_client_target_buffer) {
1814                 /* LCOV_EXCL_START */
1815                 _pthread_mutex_unlock(&private_display->lock);
1816                 TDM_ERR("not implemented!!");
1817                 return TDM_ERROR_NOT_IMPLEMENTED;
1818                 /* LCOV_EXCL_STOP */
1819         }
1820
1821         ret = func_output->output_hwc_set_client_target_buffer(private_output->output_backend, target_buffer, damage);
1822
1823         _pthread_mutex_unlock(&private_display->lock);
1824
1825         return ret;
1826 }
1827
1828 EXTERN tdm_error
1829 tdm_output_hwc_unset_client_target_buffer(tdm_output *output)
1830 {
1831         tdm_func_output *func_output = NULL;
1832
1833         OUTPUT_FUNC_ENTRY();
1834
1835         _pthread_mutex_lock(&private_display->lock);
1836
1837         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1838                 TDM_ERR("output(%p) not support HWC", private_output);
1839                 _pthread_mutex_unlock(&private_display->lock);
1840                 return TDM_ERROR_BAD_REQUEST;
1841         }
1842
1843         func_output = &private_display->func_output;
1844
1845         if (!func_output->output_hwc_unset_client_target_buffer) {
1846                 /* LCOV_EXCL_START */
1847                 _pthread_mutex_unlock(&private_display->lock);
1848                 TDM_ERR("not implemented!!");
1849                 return TDM_ERROR_NOT_IMPLEMENTED;
1850                 /* LCOV_EXCL_STOP */
1851         }
1852
1853         ret = func_output->output_hwc_unset_client_target_buffer(private_output->output_backend);
1854
1855         _pthread_mutex_unlock(&private_display->lock);
1856
1857         return ret;
1858 }
1859
1860 static void
1861 _tdm_output_hwc_layer_commit_handler(tdm_layer *layer, unsigned int sequence,
1862                                                                                  unsigned int tv_sec, unsigned int tv_usec,
1863                                                                                  void *user_data)
1864 {
1865         tdm_private_output_hwc_target_buffer_commit_handler *output_hwc_target_buffer_commit_handler = (tdm_private_output_hwc_target_buffer_commit_handler *)user_data;
1866         tdm_output_hwc_target_buffer_commit_handler func = output_hwc_target_buffer_commit_handler->func;
1867         tdm_output *output = (tdm_output *)output_hwc_target_buffer_commit_handler->private_output;
1868         void *data = output_hwc_target_buffer_commit_handler->user_data;
1869
1870         func(output, sequence, tv_sec, tv_usec, data);
1871
1872         free(output_hwc_target_buffer_commit_handler);
1873 }
1874
1875 tdm_error
1876 tdm_output_hwc_commit_client_target_buffer(tdm_output *output, tdm_output_hwc_target_buffer_commit_handler func, void *user_data)
1877 {
1878         tdm_func_output *func_output;
1879         tdm_private_output_hwc_target_buffer_commit_handler *output_hwc_target_buffer_commit_handler;
1880         tdm_layer *layer = NULL;
1881         tdm_private_layer *private_layer;
1882         const tdm_output_mode *mode;
1883         tbm_surface_h buffer;
1884
1885         OUTPUT_FUNC_ENTRY();
1886
1887         _pthread_mutex_lock(&private_display->lock);
1888
1889         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1890                 TDM_ERR("output(%p) not support HWC", private_output);
1891                 _pthread_mutex_unlock(&private_display->lock);
1892                 return TDM_ERROR_BAD_REQUEST;
1893         }
1894
1895         func_output = &private_display->func_output;
1896
1897         if (!func_output->output_hwc_get_client_target_buffer_layer) {
1898                 /* LCOV_EXCL_START */
1899                 _pthread_mutex_unlock(&private_display->lock);
1900                 TDM_ERR("not implemented!!");
1901                 return TDM_ERROR_NOT_IMPLEMENTED;
1902                 /* LCOV_EXCL_STOP */
1903         }
1904
1905         layer = func_output->output_hwc_get_client_target_buffer_layer(private_output->output_backend,
1906                                                                                                                    &ret);
1907         if (!layer) {
1908                 /* LCOV_EXCL_START */
1909                 _pthread_mutex_unlock(&private_display->lock);
1910                 TDM_ERR("no assigned layer!!");
1911                 return TDM_ERROR_INVALID_PARAMETER;
1912                 /* LCOV_EXCL_STOP */
1913         }
1914
1915         private_layer = (tdm_private_layer*)layer;
1916
1917         if (!func_output->output_hwc_get_client_target_buffer) {
1918                 /* LCOV_EXCL_START */
1919                 _pthread_mutex_unlock(&private_display->lock);
1920                 TDM_ERR("not implemented!!");
1921                 return TDM_ERROR_NOT_IMPLEMENTED;
1922                 /* LCOV_EXCL_STOP */
1923         }
1924
1925         buffer = func_output->output_hwc_get_client_target_buffer(private_output->output_backend,
1926                                                                                                            &ret);
1927         if (!buffer) {
1928                 /* LCOV_EXCL_START */
1929                 _pthread_mutex_unlock(&private_display->lock);
1930                 TDM_ERR("no assigned buffer!!");
1931                 return TDM_ERROR_INVALID_PARAMETER;
1932                 /* LCOV_EXCL_STOP */
1933         }
1934
1935         if (buffer)
1936                 ret = tdm_layer_set_buffer_internal(private_layer, buffer);
1937         else
1938                 ret = tdm_layer_unset_buffer_internal(private_layer);
1939         if (ret != TDM_ERROR_NONE) {
1940                 /* LCOV_EXCL_START */
1941                 TDM_ERR("failed: layer set info(window)");
1942                 /* LCOV_EXCL_STOP */
1943                 return ret;
1944         }
1945
1946         /* set layer_info only one time */
1947         /* TODO: if the mode changes, set again the target_buffer_info. */
1948         if (&private_output->target_buffer_info == NULL) {
1949                 mode = private_output->current_mode;
1950                 private_output->target_buffer_info.src_config.size.h = mode->hdisplay;
1951                 private_output->target_buffer_info.src_config.size.v = mode->vdisplay;
1952                 private_output->target_buffer_info.src_config.pos.x = 0;
1953                 private_output->target_buffer_info.src_config.pos.y = 0;
1954                 private_output->target_buffer_info.src_config.pos.w = mode->hdisplay;
1955                 private_output->target_buffer_info.src_config.pos.h = mode->vdisplay;
1956                 private_output->target_buffer_info.dst_pos.x = 0;
1957                 private_output->target_buffer_info.dst_pos.y = 0;
1958                 private_output->target_buffer_info.dst_pos.w = mode->hdisplay;
1959                 private_output->target_buffer_info.dst_pos.h = mode->vdisplay;
1960                 private_output->target_buffer_info.transform = TDM_TRANSFORM_NORMAL;
1961         }
1962
1963         ret = tdm_layer_set_info_internal(private_layer, &private_output->target_buffer_info);
1964         if (ret != TDM_ERROR_NONE) {
1965                 /* LCOV_EXCL_START */
1966                 TDM_ERR("failed: layer set info(window)");
1967                 /* LCOV_EXCL_STOP */
1968                 return ret;
1969         }
1970
1971         output_hwc_target_buffer_commit_handler = calloc(1, sizeof(tdm_private_output_hwc_target_buffer_commit_handler));
1972         if (!output_hwc_target_buffer_commit_handler) {
1973                 /* LCOV_EXCL_START */
1974                 TDM_ERR("failed: alloc memory");
1975                 return TDM_ERROR_OUT_OF_MEMORY;
1976                 /* LCOV_EXCL_STOP */
1977         }
1978
1979         output_hwc_target_buffer_commit_handler->private_output = private_output;
1980         output_hwc_target_buffer_commit_handler->func = func;
1981         output_hwc_target_buffer_commit_handler->user_data = user_data;
1982
1983         ret = tdm_layer_commit_internal(private_layer, _tdm_output_hwc_layer_commit_handler, user_data);
1984         if (ret != TDM_ERROR_NONE) {
1985                 /* LCOV_EXCL_START */
1986                 TDM_ERR("failed: commit layer(target buffer)");
1987                 free(output_hwc_target_buffer_commit_handler);
1988                 /* LCOV_EXCL_STOP */
1989                 return ret;
1990         }
1991
1992         _pthread_mutex_unlock(&private_display->lock);
1993
1994         return ret;
1995 }
1996
1997 tdm_error
1998 tdm_output_hwc_get_video_supported_formats(tdm_output *output, const tbm_format **formats,
1999                                                                 int *count)
2000 {
2001         tdm_func_output *func_output;
2002         OUTPUT_FUNC_ENTRY();
2003
2004         TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
2005         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
2006
2007         _pthread_mutex_lock(&private_display->lock);
2008
2009         func_output = &private_display->func_output;
2010
2011         if (!func_output->output_hwc_get_video_supported_formats) {
2012                 /* LCOV_EXCL_START */
2013                 _pthread_mutex_unlock(&private_display->lock);
2014                 TDM_ERR("not implemented!!");
2015                 return TDM_ERROR_NOT_IMPLEMENTED;
2016                 /* LCOV_EXCL_STOP */
2017         }
2018
2019         ret = func_output->output_hwc_get_video_supported_formats(
2020                                                                 private_output->output_backend, formats, count);
2021
2022         _pthread_mutex_unlock(&private_display->lock);
2023
2024         return ret;
2025 }
2026
2027 INTERN void
2028 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
2029                                                                                 struct list_head *change_handler_list,
2030                                                                                 tdm_output_change_type type,
2031                                                                                 tdm_value value,
2032                                                                                 int no_check_thread_id)
2033 {
2034         tdm_private_display *private_display;
2035         tdm_private_change_handler *change_handler = NULL;
2036
2037         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
2038         TDM_RETURN_IF_FAIL(private_output);
2039
2040         private_display = private_output->private_display;
2041         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
2042                 if (type & TDM_OUTPUT_CHANGE_CONNECTION)
2043                         TDM_INFO("output(%d) changed: %s (%d)",
2044                                          private_output->pipe, tdm_status_str(value.u32), value.u32);
2045                 if (type & TDM_OUTPUT_CHANGE_DPMS)
2046                         TDM_INFO("output(%d) changed: dpms %s (%d)",
2047                                          private_output->pipe, tdm_dpms_str(value.u32), value.u32);
2048         }
2049
2050         if (LIST_IS_EMPTY(change_handler_list))
2051                 return;
2052
2053         LIST_FOR_EACH_ENTRY(change_handler, change_handler_list, link) {
2054                 if (!no_check_thread_id && change_handler->owner_tid != syscall(SYS_gettid))
2055                         TDM_NEVER_GET_HERE();
2056
2057                 _pthread_mutex_unlock(&private_display->lock);
2058                 change_handler->func(private_output, type,
2059                                                          value, change_handler->user_data);
2060                 _pthread_mutex_lock(&private_display->lock);
2061         }
2062 }
2063
2064 static int
2065 _is_hwc_output_still_existed(tdm_private_output *private_output)
2066 {
2067         tdm_private_display *dpy;
2068         tdm_private_output *o = NULL;
2069
2070         dpy = tdm_display_init(NULL);
2071         TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_OPERATION_FAILED);
2072
2073         LIST_FOR_EACH_ENTRY(o, &dpy->output_list, link) {
2074                 if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
2075                         continue;
2076
2077                 if (o == private_output)
2078                         goto exist;
2079         }
2080
2081         tdm_display_deinit(dpy);
2082         return 0;
2083
2084 exist:
2085         tdm_display_deinit(dpy);
2086         return 1;
2087 }
2088
2089 /* gets called on behalf of the ecore-main-loop thread */
2090 INTERN tdm_error
2091 tdm_output_cb_need_validate(tdm_private_output *private_output)
2092 {
2093         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
2094
2095         /* as we get 'private_output' within an event, an output this 'private_output'
2096          * points to can be destroyed already */
2097         if (!_is_hwc_output_still_existed(private_output))
2098                 return TDM_ERROR_NONE;
2099
2100         TDM_INFO("tdm-backend asks for revalidation for the output:%p.", private_output);
2101
2102         if (private_output->need_validate.hndl)
2103                 private_output->need_validate.hndl((tdm_output*)private_output);
2104
2105         return TDM_ERROR_NONE;
2106 }
2107
2108 /* gets called on behalf of the tdm-thread */
2109 static tdm_error
2110 _need_validate_handler(int fd, tdm_event_loop_mask mask, void *user_data)
2111 {
2112         tdm_thread_cb_need_validate ev;
2113         tdm_private_output *private_output;
2114         tdm_error ret;
2115         uint64_t value;
2116
2117         private_output = (tdm_private_output *)user_data;
2118
2119         if (read(private_output->need_validate.event_fd, &value, sizeof(value)) < 0) {
2120                 TDM_ERR("error while trying to read from a need_validate.event_fd fd.");
2121                 return TDM_ERROR_OPERATION_FAILED;
2122         }
2123
2124         ev.base.type = TDM_THREAD_CB_NEED_VALIDATE;
2125         ev.base.length = sizeof ev;
2126         ev.o = private_output;
2127
2128         ret = tdm_thread_send_cb(private_output->private_display->private_loop, &ev.base);
2129         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
2130
2131         TDM_INFO("tdm-thread: get a 'need to revalidate' event for the ouptut:%p.", private_output);
2132
2133         /* who cares about this? */
2134         return TDM_ERROR_NONE;
2135 }
2136
2137 INTERN tdm_error
2138 tdm_output_need_validate_event_init(tdm_output *output)
2139 {
2140         int fd;
2141
2142         OUTPUT_FUNC_ENTRY();
2143
2144         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), TDM_ERROR_OPERATION_FAILED);
2145
2146         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
2147                 TDM_ERR("output(%p) not support HWC", private_output);
2148                 return TDM_ERROR_BAD_REQUEST;
2149         }
2150
2151         /* build in eventfd fds into event_loop listened & handled by the tdm-thread */
2152         fd = eventfd(0, 0);
2153         TDM_WARNING_IF_FAIL(fd >= 0);
2154
2155         private_output->need_validate.event_source = tdm_event_loop_add_fd_handler(private_display,
2156                         fd,     TDM_EVENT_LOOP_READABLE, _need_validate_handler, private_output, &ret);
2157         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
2158
2159         private_output->need_validate.event_fd = fd;
2160
2161         TDM_INFO("register an output:%p for the revalidation, event_fd:%d.", private_output, fd);
2162
2163         return ret;
2164 }
2165
2166 INTERN tdm_error
2167 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
2168 {
2169         if (!private_output)
2170                 return TDM_ERROR_INVALID_PARAMETER;
2171
2172         if (mode < 0 || mode > 2)
2173                 return TDM_ERROR_INVALID_PARAMETER;
2174
2175         private_output->commit_per_vblank = mode;
2176
2177         if (private_output->commit_per_vblank == 0)
2178                 TDM_INFO("commit per vblank: disable");
2179         else if (private_output->commit_per_vblank == 1)
2180                 TDM_INFO("commit per vblank: enable (1 layer)");
2181         else if (private_output->commit_per_vblank == 2)
2182                 TDM_INFO("commit per vblank: enable (previous commit)");
2183
2184         return TDM_ERROR_NONE;
2185 }