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) sub %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) main %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                 private_output->need_set_target_info = 1;
1148                 TDM_INFO("mode: %dx%d %dhz", mode->hdisplay, mode->vdisplay, mode->vrefresh);
1149         }
1150
1151         _pthread_mutex_unlock(&private_display->lock);
1152
1153         return ret;
1154 }
1155
1156 EXTERN tdm_error
1157 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
1158 {
1159         OUTPUT_FUNC_ENTRY();
1160
1161         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1162
1163         _pthread_mutex_lock(&private_display->lock);
1164
1165         *mode = private_output->current_mode;
1166
1167         _pthread_mutex_unlock(&private_display->lock);
1168
1169         return ret;
1170 }
1171
1172 static tdm_error
1173 _tdm_output_dpms_changed_timeout(void *user_data)
1174 {
1175         tdm_private_output *private_output = user_data;
1176         tdm_value value;
1177
1178         value.u32 = private_output->current_dpms_value;
1179         tdm_output_call_change_handler_internal(private_output,
1180                                                                                         &private_output->change_handler_list_sub,
1181                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1182                                                                                         value, 0);
1183
1184         return TDM_ERROR_NONE;
1185 }
1186
1187 static tdm_error
1188 tdm_output_call_dpms_change_handler(tdm_output *output)
1189 {
1190         tdm_private_output *private_output = (tdm_private_output*)output;
1191         tdm_value value;
1192
1193         /** Use timer to call the output change callback of the sub-thread.
1194          * The output change callback of tdm_server and tdm_vblank was called
1195          * in the main thread. And it made the multi thread issue. If we use
1196          * the timer, we can call the sub-thread's output change callback in
1197          * sub-thread.
1198          */
1199         if (!private_output->dpms_changed_timer) {
1200                 private_output->dpms_changed_timer =
1201                         tdm_event_loop_add_timer_handler(private_output->private_display,
1202                                                                                          _tdm_output_dpms_changed_timeout, private_output, NULL);
1203                 if (!private_output->dpms_changed_timer) {
1204                         /* LCOV_EXCL_START */
1205                         TDM_ERR("can't create dpms timer!!");
1206                         return TDM_ERROR_OUT_OF_MEMORY;
1207                         /* LCOV_EXCL_STOP */
1208                 }
1209         }
1210
1211         value.u32 = private_output->current_dpms_value;
1212         tdm_output_call_change_handler_internal(private_output,
1213                                                                                         &private_output->change_handler_list_main,
1214                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1215                                                                                         value, 0);
1216
1217         if (!LIST_IS_EMPTY(&private_output->change_handler_list_sub)) {
1218                 tdm_error ret = tdm_event_loop_source_timer_update(private_output->dpms_changed_timer, 1);
1219                 if (ret != TDM_ERROR_NONE)
1220                         TDM_NEVER_GET_HERE();
1221         }
1222
1223         return TDM_ERROR_NONE;
1224 }
1225
1226 /* LCOV_EXCL_START */
1227 INTERN void
1228 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms, void *user_data)
1229 {
1230         tdm_private_display *private_display;
1231         tdm_private_output *private_output = user_data;
1232         tdm_value value;
1233
1234         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1235         TDM_RETURN_IF_FAIL(private_output);
1236
1237         private_display = private_output->private_display;
1238
1239         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
1240                 tdm_thread_cb_output_dpms output_dpms;
1241                 tdm_error ret;
1242
1243                 _tdm_output_update(output_backend, user_data);
1244
1245                 output_dpms.base.type = TDM_THREAD_CB_OUTPUT_DPMS;
1246                 output_dpms.base.length = sizeof output_dpms;
1247                 output_dpms.output_stamp = private_output->stamp;
1248                 output_dpms.dpms = dpms;
1249                 output_dpms.user_data = user_data;
1250
1251                 value.u32 = dpms;
1252                 tdm_output_call_change_handler_internal(private_output,
1253                                                                                                 &private_output->change_handler_list_sub,
1254                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1255                                                                                                 value, 0);
1256
1257                 ret = tdm_thread_send_cb(private_display->private_loop, &output_dpms.base);
1258                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1259
1260                 return;
1261         }
1262
1263         private_output->current_dpms_value = dpms;
1264         private_output->waiting_dpms_change = 0;
1265
1266         TDM_INFO("output(%d) dpms async '%s' done", private_output->pipe, tdm_dpms_str(dpms));
1267
1268         value.u32 = dpms;
1269         tdm_output_call_change_handler_internal(private_output,
1270                                                                                         &private_output->change_handler_list_main,
1271                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1272                                                                                         value, 0);
1273 }
1274 /* LCOV_EXCL_STOP */
1275
1276 EXTERN tdm_error
1277 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1278 {
1279         tdm_func_output *func_output;
1280         OUTPUT_FUNC_ENTRY();
1281
1282         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1283                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1284                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1285                         return TDM_ERROR_BAD_REQUEST;
1286                 }
1287
1288                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1289                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1290                                         private_output->pipe, tdm_dpms_str(dpms_value));
1291                         return TDM_ERROR_BAD_REQUEST;
1292                 }
1293         }
1294
1295         _pthread_mutex_lock(&private_display->lock);
1296
1297         if (private_output->waiting_dpms_change) {
1298                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1299                 _pthread_mutex_unlock(&private_display->lock);
1300                 return TDM_ERROR_BAD_REQUEST;
1301         }
1302
1303         func_output = &private_display->func_output;
1304
1305         TDM_INFO("output(%d) dpms '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1306
1307         if (func_output->output_set_dpms)
1308                 ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1309         else {
1310                 /* LCOV_EXCL_START */
1311                 ret = TDM_ERROR_NONE;
1312                 TDM_WRN("not implemented!!");
1313                 goto done;
1314                 /* LCOV_EXCL_STOP */
1315         }
1316
1317 done:
1318         if (ret == TDM_ERROR_NONE) {
1319                 if (private_output->current_dpms_value != dpms_value) {
1320                         private_output->current_dpms_value = dpms_value;
1321                         TDM_INFO("output(%d) dpms '%s' done", private_output->pipe, tdm_dpms_str(dpms_value));
1322                         tdm_output_call_dpms_change_handler(output);
1323                 }
1324         } else {
1325                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1326
1327                 /* update current_dpms_value forcely */
1328                 tdm_output_get_dpms_internal(output, &temp);
1329
1330                 TDM_ERR("output(%d) set_dpms failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1331         }
1332
1333         _pthread_mutex_unlock(&private_display->lock);
1334
1335         return ret;
1336 }
1337
1338 /* LCOV_EXCL_START */
1339 EXTERN tdm_error
1340 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
1341 {
1342         tdm_func_output *func_output;
1343         OUTPUT_FUNC_ENTRY();
1344
1345         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_ASYNC_DPMS)) {
1346                 TDM_ERR("output doesn't support the asynchronous DPMS control!");
1347                 return TDM_ERROR_BAD_REQUEST;
1348         }
1349
1350         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1351                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1352                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1353                         return TDM_ERROR_BAD_REQUEST;
1354                 }
1355
1356                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1357                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1358                                         private_output->pipe, tdm_dpms_str(dpms_value));
1359                         return TDM_ERROR_BAD_REQUEST;
1360                 }
1361         }
1362
1363         _pthread_mutex_lock(&private_display->lock);
1364
1365         if (private_output->waiting_dpms_change) {
1366                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1367                 _pthread_mutex_unlock(&private_display->lock);
1368                 return TDM_ERROR_BAD_REQUEST;
1369         }
1370
1371         func_output = &private_display->func_output;
1372         if (!func_output->output_set_dpms_handler) {
1373                 TDM_ERR("not implemented: output_set_dpms_handler");
1374                 _pthread_mutex_unlock(&private_display->lock);
1375                 return TDM_ERROR_NOT_IMPLEMENTED;
1376         }
1377
1378         if (!func_output->output_set_dpms_async) {
1379                 TDM_ERR("not implemented: output_set_dpms_async");
1380                 _pthread_mutex_unlock(&private_display->lock);
1381                 return TDM_ERROR_NOT_IMPLEMENTED;
1382         }
1383
1384         if (!private_output->regist_dpms_cb) {
1385                 private_output->regist_dpms_cb = 1;
1386                 ret = func_output->output_set_dpms_handler(private_output->output_backend,
1387                                 tdm_output_cb_dpms, private_output);
1388                 if (ret != TDM_ERROR_NONE) {
1389                         _pthread_mutex_unlock(&private_display->lock);
1390                         TDM_ERR("Can't set the dpms handler!!");
1391                         return ret;
1392                 }
1393         }
1394
1395         TDM_INFO("output(%d) dpms async '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1396
1397         ret = func_output->output_set_dpms_async(private_output->output_backend, dpms_value);
1398
1399         if (ret == TDM_ERROR_NONE) {
1400                 private_output->waiting_dpms_change = 1;
1401                 TDM_INFO("output(%d) dpms async '%s' waiting", private_output->pipe, tdm_dpms_str(dpms_value));
1402         } else {
1403                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1404
1405                 /* update current_dpms_value forcely */
1406                 tdm_output_get_dpms_internal(output, &temp);
1407
1408                 TDM_ERR("output(%d) set_dpms_async failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1409         }
1410
1411         _pthread_mutex_unlock(&private_display->lock);
1412
1413         return ret;
1414 }
1415 /* LCOV_EXCL_STOP */
1416
1417 INTERN tdm_error
1418 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1419 {
1420         tdm_func_output *func_output;
1421         OUTPUT_FUNC_ENTRY();
1422
1423         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1424
1425         /* TODO: this is ugly. But before calling backend's output_get_dpms(), we have
1426          * to check if all backends's DPMS operation has no problem. In future, we'd
1427          * better use new env instead of using commit_per_vblank variable to distinguish
1428          * whether we use the stored value or backend's output_get_dpms.
1429          */
1430         if (!private_output->commit_per_vblank) {
1431                 *dpms_value = private_output->current_dpms_value;
1432                 return TDM_ERROR_NONE;
1433         }
1434
1435         func_output = &private_display->func_output;
1436
1437         if (!func_output->output_get_dpms) {
1438                 /* LCOV_EXCL_START */
1439                 *dpms_value = private_output->current_dpms_value;
1440                 TDM_WRN("not implemented!!");
1441                 return TDM_ERROR_NONE;
1442                 /* LCOV_EXCL_STOP */
1443         }
1444
1445         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1446         if (ret != TDM_ERROR_NONE) {
1447                 /* LCOV_EXCL_START */
1448                 TDM_ERR("output_get_dpms failed");
1449                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1450                 /* LCOV_EXCL_STOP */
1451         }
1452
1453         /* checking with backend's value */
1454         if (*dpms_value != private_output->current_dpms_value) {
1455                 TDM_ERR("output(%d) dpms changed suddenly: %s -> %s",
1456                                 private_output->pipe, private_output->current_dpms_value,
1457                                 tdm_dpms_str(*dpms_value));
1458                 private_output->current_dpms_value = *dpms_value;
1459                 tdm_output_call_dpms_change_handler(output);
1460         }
1461
1462         return ret;
1463 }
1464
1465 EXTERN tdm_error
1466 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1467 {
1468         OUTPUT_FUNC_ENTRY();
1469
1470         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1471
1472         _pthread_mutex_lock(&private_display->lock);
1473
1474         ret = tdm_output_get_dpms_internal(output, dpms_value);
1475
1476         _pthread_mutex_unlock(&private_display->lock);
1477
1478         return ret;
1479 }
1480
1481 EXTERN tdm_capture *
1482 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1483 {
1484         tdm_capture *capture = NULL;
1485
1486         OUTPUT_FUNC_ENTRY_ERROR();
1487
1488         _pthread_mutex_lock(&private_display->lock);
1489
1490         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1491
1492         _pthread_mutex_unlock(&private_display->lock);
1493
1494         return capture;
1495 }
1496
1497 EXTERN tdm_hwc_window *
1498 tdm_output_hwc_create_window(tdm_output *output, tdm_error *error)
1499 {
1500         tdm_hwc_window *hwc_window = NULL;
1501
1502         OUTPUT_FUNC_ENTRY_ERROR();
1503
1504         _pthread_mutex_lock(&private_display->lock);
1505
1506         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1507                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, 0, error);
1508         else {
1509                 /* LCOV_EXCL_START */
1510                 TDM_ERR("output(%p) not support HWC", private_output);
1511                 if (error)
1512                         *error = TDM_ERROR_BAD_REQUEST;
1513                 /* LCOV_EXCL_STOP */
1514         }
1515
1516         _pthread_mutex_unlock(&private_display->lock);
1517
1518         return hwc_window;
1519 }
1520
1521 EXTERN tdm_hwc_window *
1522 tdm_output_hwc_create_video_window(tdm_output *output, tdm_error *error)
1523 {
1524         tdm_hwc_window *hwc_window = NULL;
1525
1526         OUTPUT_FUNC_ENTRY_ERROR();
1527
1528         _pthread_mutex_lock(&private_display->lock);
1529
1530         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1531                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, 1, error);
1532         else {
1533                 /* LCOV_EXCL_START */
1534                 TDM_ERR("output(%p) not support HWC", private_output);
1535                 if (error)
1536                         *error = TDM_ERROR_BAD_REQUEST;
1537                 /* LCOV_EXCL_STOP */
1538         }
1539
1540         _pthread_mutex_unlock(&private_display->lock);
1541
1542         return hwc_window;
1543 }
1544
1545 EXTERN tdm_error
1546 tdm_output_hwc_destroy_window(tdm_output *output, tdm_hwc_window *hwc_window)
1547 {
1548         OUTPUT_FUNC_ENTRY();
1549
1550         TDM_RETURN_VAL_IF_FAIL(hwc_window != NULL, TDM_ERROR_INVALID_PARAMETER);
1551
1552         _pthread_mutex_lock(&private_display->lock);
1553
1554         ret = tdm_hwc_window_destroy_internal(hwc_window);
1555
1556         _pthread_mutex_unlock(&private_display->lock);
1557
1558         return ret;
1559 }
1560
1561 EXTERN tdm_error
1562 tdm_output_hwc_validate(tdm_output *output, tdm_hwc_window **composited_wnds,
1563                                                                         uint32_t num_wnds, uint32_t *num_types)
1564 {
1565         tdm_func_output *func_output = NULL;
1566         tdm_private_hwc_window **composited_wnds_frontend = NULL;
1567         tdm_hwc_window **composited_wnds_backend = NULL;
1568         int i;
1569
1570         OUTPUT_FUNC_ENTRY();
1571
1572         TDM_RETURN_VAL_IF_FAIL(num_types != NULL, TDM_ERROR_INVALID_PARAMETER);
1573
1574         _pthread_mutex_lock(&private_display->lock);
1575
1576         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1577                 TDM_ERR("output(%p) not support HWC", private_output);
1578                 _pthread_mutex_unlock(&private_display->lock);
1579                 return TDM_ERROR_BAD_REQUEST;
1580         }
1581
1582         func_output = &private_display->func_output;
1583
1584         if (!func_output->output_hwc_validate) {
1585                 /* LCOV_EXCL_START */
1586                 _pthread_mutex_unlock(&private_display->lock);
1587                 TDM_ERR("not implemented!!");
1588                 return TDM_ERROR_NOT_IMPLEMENTED;
1589                 /* LCOV_EXCL_STOP */
1590         }
1591
1592         if (num_wnds == 0) {
1593                 ret = func_output->output_hwc_validate(private_output->output_backend, NULL, 0, num_types);
1594
1595                 _pthread_mutex_unlock(&private_display->lock);
1596
1597                 return ret;
1598         }
1599
1600         composited_wnds_backend = calloc(num_wnds, sizeof(tdm_hwc_window *));
1601         if (!composited_wnds_backend) {
1602                 /* LCOV_EXCL_START */
1603                 _pthread_mutex_unlock(&private_display->lock);
1604                 return TDM_ERROR_OUT_OF_MEMORY;
1605                 /* LCOV_EXCL_STOP */
1606         }
1607
1608         composited_wnds_frontend = (tdm_private_hwc_window **)composited_wnds;
1609
1610         for (i = 0; i < num_wnds; i++)
1611                 composited_wnds_backend[i] = composited_wnds_frontend[i]->hwc_window_backend;
1612
1613         ret = func_output->output_hwc_validate(private_output->output_backend, composited_wnds_backend, num_wnds, num_types);
1614
1615         free(composited_wnds_backend);
1616
1617         _pthread_mutex_unlock(&private_display->lock);
1618
1619         return ret;
1620 }
1621
1622 EXTERN tdm_error
1623 tdm_output_hwc_set_need_validate_handler(tdm_output *output,
1624                 tdm_output_need_validate_handler hndl)
1625 {
1626         OUTPUT_FUNC_ENTRY();
1627
1628         TDM_RETURN_VAL_IF_FAIL(hndl != NULL, TDM_ERROR_INVALID_PARAMETER);
1629
1630         _pthread_mutex_lock(&private_display->lock);
1631
1632         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1633                 TDM_ERR("output(%p) not support HWC", private_output);
1634                 _pthread_mutex_unlock(&private_display->lock);
1635                 return TDM_ERROR_BAD_REQUEST;
1636         }
1637
1638         /* there's no reason to allow this */
1639         if (private_output->need_validate.hndl) {
1640
1641                 _pthread_mutex_unlock(&private_display->lock);
1642                 return TDM_ERROR_OPERATION_FAILED;
1643         }
1644
1645         private_output->need_validate.hndl = hndl;
1646
1647         _pthread_mutex_unlock(&private_display->lock);
1648
1649         return ret;
1650 }
1651
1652 EXTERN tdm_error
1653 tdm_output_hwc_get_changed_composition_types(tdm_output *output,
1654                                                                                  uint32_t *num_elements,
1655                                                                                  tdm_hwc_window **hwc_window,
1656                                                                                  tdm_hwc_window_composition *composition_types)
1657 {
1658         tdm_func_output *func_output = NULL;
1659         tdm_private_hwc_window * private_hwc_window = NULL;
1660         int i = 0;
1661
1662         OUTPUT_FUNC_ENTRY();
1663
1664         TDM_RETURN_VAL_IF_FAIL(num_elements != NULL, TDM_ERROR_INVALID_PARAMETER);
1665
1666         _pthread_mutex_lock(&private_display->lock);
1667
1668         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1669                 TDM_ERR("output(%p) not support HWC", private_output);
1670                 _pthread_mutex_unlock(&private_display->lock);
1671                 return TDM_ERROR_BAD_REQUEST;
1672         }
1673
1674         func_output = &private_display->func_output;
1675
1676         if (!func_output->output_hwc_get_changed_composition_types) {
1677                 /* LCOV_EXCL_START */
1678                 _pthread_mutex_unlock(&private_display->lock);
1679                 TDM_ERR("not implemented!!");
1680                 return TDM_ERROR_NOT_IMPLEMENTED;
1681                 /* LCOV_EXCL_STOP */
1682         }
1683
1684         ret = func_output->output_hwc_get_changed_composition_types(private_output->output_backend,
1685                                                         num_elements, hwc_window, composition_types);
1686         if (ret != TDM_ERROR_NONE) {
1687                 /* LCOV_EXCL_START */
1688                 _pthread_mutex_unlock(&private_display->lock);
1689                 return ret;
1690                 /* LCOV_EXCL_STOP */
1691         }
1692
1693         if (hwc_window == NULL || composition_types == NULL) {
1694                 _pthread_mutex_unlock(&private_display->lock);
1695                 return TDM_ERROR_NONE;
1696         }
1697
1698         for (i = 0; i < *num_elements; i++) {
1699
1700                 private_hwc_window = _tdm_output_find_private_hwc_window(private_output, hwc_window[i]);
1701
1702                 if (private_hwc_window == NULL) {
1703                         /* LCOV_EXCL_START */
1704                         TDM_ERR("failed! This should never happen!");
1705                         func_output->output_hwc_destroy_window(private_output->output_backend, hwc_window[i]);
1706                         *num_elements = 0;
1707                         _pthread_mutex_unlock(&private_display->lock);
1708                         return TDM_ERROR_OPERATION_FAILED;
1709                         /* LCOV_EXCL_STOP */
1710                 }
1711
1712                 hwc_window[i] = (tdm_hwc_window*)private_hwc_window;
1713         }
1714
1715         _pthread_mutex_unlock(&private_display->lock);
1716
1717         return ret;
1718 }
1719
1720 tdm_error
1721 tdm_output_hwc_accept_changes(tdm_output *output)
1722 {
1723         tdm_func_output *func_output = NULL;
1724
1725         OUTPUT_FUNC_ENTRY();
1726
1727         _pthread_mutex_lock(&private_display->lock);
1728
1729         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1730                 TDM_ERR("output(%p) not support HWC", private_output);
1731                 _pthread_mutex_unlock(&private_display->lock);
1732                 return TDM_ERROR_BAD_REQUEST;
1733         }
1734
1735         func_output = &private_display->func_output;
1736
1737         if (!func_output->output_hwc_validate) {
1738                 /* LCOV_EXCL_START */
1739                 _pthread_mutex_unlock(&private_display->lock);
1740                 TDM_ERR("not implemented!!");
1741                 return TDM_ERROR_NOT_IMPLEMENTED;
1742                 /* LCOV_EXCL_STOP */
1743         }
1744
1745         ret = func_output->output_hwc_accept_changes(private_output->output_backend);
1746
1747         _pthread_mutex_unlock(&private_display->lock);
1748
1749         return ret;
1750 }
1751
1752 tbm_surface_queue_h
1753 tdm_output_hwc_get_target_buffer_queue(tdm_output *output, tdm_error *error)
1754 {
1755         tdm_func_output *func_output = NULL;
1756         tbm_surface_queue_h queue = NULL;
1757
1758         OUTPUT_FUNC_ENTRY_ERROR();
1759
1760         _pthread_mutex_lock(&private_display->lock);
1761
1762         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1763                 TDM_ERR("output(%p) not support HWC", private_output);
1764                 if (error)
1765                         *error = TDM_ERROR_BAD_REQUEST;
1766                 _pthread_mutex_unlock(&private_display->lock);
1767                 return NULL;
1768         }
1769
1770         func_output = &private_display->func_output;
1771
1772         if (!func_output->output_hwc_get_target_buffer_queue) {
1773                 /* LCOV_EXCL_START */
1774                 _pthread_mutex_unlock(&private_display->lock);
1775                 TDM_ERR("not implemented!!");
1776                 return NULL;
1777                 /* LCOV_EXCL_STOP */
1778         }
1779
1780         queue = func_output->output_hwc_get_target_buffer_queue(private_output->output_backend, error);
1781
1782         _pthread_mutex_unlock(&private_display->lock);
1783
1784         return queue;
1785 }
1786
1787 EXTERN tdm_error
1788 tdm_output_hwc_set_client_target_buffer(tdm_output *output, tbm_surface_h target_buffer, tdm_hwc_region damage)
1789 {
1790         tdm_func_output *func_output = NULL;
1791
1792         OUTPUT_FUNC_ENTRY();
1793
1794         _pthread_mutex_lock(&private_display->lock);
1795
1796         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1797                 TDM_ERR("output(%p) not support HWC", private_output);
1798                 _pthread_mutex_unlock(&private_display->lock);
1799                 return TDM_ERROR_BAD_REQUEST;
1800         }
1801
1802         if (tdm_debug_dump & TDM_DUMP_FLAG_WINDOW) {
1803                 /* LCOV_EXCL_START */
1804                 char str[TDM_PATH_LEN];
1805                 static int i;
1806                 snprintf(str, TDM_PATH_LEN, "target_window_%d_%03d",
1807                                  private_output->index, i++);
1808                 tdm_helper_dump_buffer_str(target_buffer, tdm_debug_dump_dir, str);
1809                 /* LCOV_EXCL_STOP */
1810         }
1811
1812         func_output = &private_display->func_output;
1813
1814         if (!func_output->output_hwc_set_client_target_buffer) {
1815                 /* LCOV_EXCL_START */
1816                 _pthread_mutex_unlock(&private_display->lock);
1817                 TDM_ERR("not implemented!!");
1818                 return TDM_ERROR_NOT_IMPLEMENTED;
1819                 /* LCOV_EXCL_STOP */
1820         }
1821
1822         ret = func_output->output_hwc_set_client_target_buffer(private_output->output_backend, target_buffer, damage);
1823
1824         _pthread_mutex_unlock(&private_display->lock);
1825
1826         return ret;
1827 }
1828
1829 EXTERN tdm_error
1830 tdm_output_hwc_unset_client_target_buffer(tdm_output *output)
1831 {
1832         tdm_func_output *func_output = NULL;
1833
1834         OUTPUT_FUNC_ENTRY();
1835
1836         _pthread_mutex_lock(&private_display->lock);
1837
1838         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1839                 TDM_ERR("output(%p) not support HWC", private_output);
1840                 _pthread_mutex_unlock(&private_display->lock);
1841                 return TDM_ERROR_BAD_REQUEST;
1842         }
1843
1844         func_output = &private_display->func_output;
1845
1846         if (!func_output->output_hwc_unset_client_target_buffer) {
1847                 /* LCOV_EXCL_START */
1848                 _pthread_mutex_unlock(&private_display->lock);
1849                 TDM_ERR("not implemented!!");
1850                 return TDM_ERROR_NOT_IMPLEMENTED;
1851                 /* LCOV_EXCL_STOP */
1852         }
1853
1854         ret = func_output->output_hwc_unset_client_target_buffer(private_output->output_backend);
1855
1856         _pthread_mutex_unlock(&private_display->lock);
1857
1858         return ret;
1859 }
1860
1861 static void
1862 _tdm_output_hwc_layer_commit_handler(tdm_layer *layer, unsigned int sequence,
1863                                                                                  unsigned int tv_sec, unsigned int tv_usec,
1864                                                                                  void *user_data)
1865 {
1866         tdm_private_output_hwc_target_buffer_commit_handler *output_hwc_target_buffer_commit_handler = (tdm_private_output_hwc_target_buffer_commit_handler *)user_data;
1867         tdm_output_hwc_target_buffer_commit_handler func = output_hwc_target_buffer_commit_handler->func;
1868         tdm_output *output = (tdm_output *)output_hwc_target_buffer_commit_handler->private_output;
1869         void *data = output_hwc_target_buffer_commit_handler->user_data;
1870
1871         func(output, sequence, tv_sec, tv_usec, data);
1872
1873         free(output_hwc_target_buffer_commit_handler);
1874 }
1875
1876 tdm_error
1877 tdm_output_hwc_commit_client_target_buffer(tdm_output *output, tdm_output_hwc_target_buffer_commit_handler func, void *user_data)
1878 {
1879         tdm_func_output *func_output;
1880         tdm_private_output_hwc_target_buffer_commit_handler *output_hwc_target_buffer_commit_handler;
1881         tdm_layer *layer = NULL;
1882         tdm_private_layer *private_layer;
1883         const tdm_output_mode *mode;
1884         tbm_surface_h buffer;
1885
1886         OUTPUT_FUNC_ENTRY();
1887
1888         _pthread_mutex_lock(&private_display->lock);
1889
1890         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1891                 TDM_ERR("output(%p) not support HWC", private_output);
1892                 _pthread_mutex_unlock(&private_display->lock);
1893                 return TDM_ERROR_BAD_REQUEST;
1894         }
1895
1896         func_output = &private_display->func_output;
1897
1898         if (!func_output->output_hwc_get_client_target_buffer_layer) {
1899                 /* LCOV_EXCL_START */
1900                 _pthread_mutex_unlock(&private_display->lock);
1901                 TDM_ERR("not implemented!!");
1902                 return TDM_ERROR_NOT_IMPLEMENTED;
1903                 /* LCOV_EXCL_STOP */
1904         }
1905
1906         layer = func_output->output_hwc_get_client_target_buffer_layer(private_output->output_backend,
1907                                                                                                                    &ret);
1908         if (!layer) {
1909                 /* LCOV_EXCL_START */
1910                 _pthread_mutex_unlock(&private_display->lock);
1911                 TDM_ERR("no assigned layer!!");
1912                 return TDM_ERROR_INVALID_PARAMETER;
1913                 /* LCOV_EXCL_STOP */
1914         }
1915
1916         private_layer = (tdm_private_layer*)layer;
1917
1918         if (!func_output->output_hwc_get_client_target_buffer) {
1919                 /* LCOV_EXCL_START */
1920                 _pthread_mutex_unlock(&private_display->lock);
1921                 TDM_ERR("not implemented!!");
1922                 return TDM_ERROR_NOT_IMPLEMENTED;
1923                 /* LCOV_EXCL_STOP */
1924         }
1925
1926         buffer = func_output->output_hwc_get_client_target_buffer(private_output->output_backend,
1927                                                                                                            &ret);
1928         if (buffer)
1929                 ret = tdm_layer_set_buffer_internal(private_layer, buffer);
1930         else
1931                 ret = tdm_layer_unset_buffer_internal(private_layer);
1932         if (ret != TDM_ERROR_NONE) {
1933                 /* LCOV_EXCL_START */
1934                 TDM_ERR("failed: layer set info(window)");
1935                 /* LCOV_EXCL_STOP */
1936                 return ret;
1937         }
1938
1939         if (private_output->need_set_target_info) {
1940                 mode = private_output->current_mode;
1941                 private_output->target_buffer_info.src_config.size.h = mode->hdisplay;
1942                 private_output->target_buffer_info.src_config.size.v = mode->vdisplay;
1943                 private_output->target_buffer_info.src_config.pos.x = 0;
1944                 private_output->target_buffer_info.src_config.pos.y = 0;
1945                 private_output->target_buffer_info.src_config.pos.w = mode->hdisplay;
1946                 private_output->target_buffer_info.src_config.pos.h = mode->vdisplay;
1947                 private_output->target_buffer_info.dst_pos.x = 0;
1948                 private_output->target_buffer_info.dst_pos.y = 0;
1949                 private_output->target_buffer_info.dst_pos.w = mode->hdisplay;
1950                 private_output->target_buffer_info.dst_pos.h = mode->vdisplay;
1951                 private_output->target_buffer_info.transform = TDM_TRANSFORM_NORMAL;
1952
1953                 ret = tdm_layer_set_info_internal(private_layer, &private_output->target_buffer_info);
1954                 if (ret != TDM_ERROR_NONE) {
1955                         /* LCOV_EXCL_START */
1956                         TDM_ERR("failed: layer set info(window)");
1957                         /* LCOV_EXCL_STOP */
1958                         return ret;
1959                 }
1960
1961                 private_output->need_set_target_info = 0;
1962         }
1963
1964         output_hwc_target_buffer_commit_handler = calloc(1, sizeof(tdm_private_output_hwc_target_buffer_commit_handler));
1965         if (!output_hwc_target_buffer_commit_handler) {
1966                 /* LCOV_EXCL_START */
1967                 TDM_ERR("failed: alloc memory");
1968                 return TDM_ERROR_OUT_OF_MEMORY;
1969                 /* LCOV_EXCL_STOP */
1970         }
1971
1972         output_hwc_target_buffer_commit_handler->private_output = private_output;
1973         output_hwc_target_buffer_commit_handler->func = func;
1974         output_hwc_target_buffer_commit_handler->user_data = user_data;
1975
1976         ret = tdm_layer_commit_internal(private_layer, _tdm_output_hwc_layer_commit_handler, user_data);
1977         if (ret != TDM_ERROR_NONE) {
1978                 /* LCOV_EXCL_START */
1979                 TDM_ERR("failed: commit layer(target buffer)");
1980                 free(output_hwc_target_buffer_commit_handler);
1981                 /* LCOV_EXCL_STOP */
1982                 return ret;
1983         }
1984
1985         _pthread_mutex_unlock(&private_display->lock);
1986
1987         return ret;
1988 }
1989
1990 tdm_error
1991 tdm_output_hwc_get_video_supported_formats(tdm_output *output, const tbm_format **formats,
1992                                                                 int *count)
1993 {
1994         tdm_func_output *func_output;
1995         OUTPUT_FUNC_ENTRY();
1996
1997         TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
1998         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
1999
2000         _pthread_mutex_lock(&private_display->lock);
2001
2002         func_output = &private_display->func_output;
2003
2004         if (!func_output->output_hwc_get_video_supported_formats) {
2005                 /* LCOV_EXCL_START */
2006                 _pthread_mutex_unlock(&private_display->lock);
2007                 TDM_ERR("not implemented!!");
2008                 return TDM_ERROR_NOT_IMPLEMENTED;
2009                 /* LCOV_EXCL_STOP */
2010         }
2011
2012         ret = func_output->output_hwc_get_video_supported_formats(
2013                                                                 private_output->output_backend, formats, count);
2014
2015         _pthread_mutex_unlock(&private_display->lock);
2016
2017         return ret;
2018 }
2019
2020 INTERN void
2021 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
2022                                                                                 struct list_head *change_handler_list,
2023                                                                                 tdm_output_change_type type,
2024                                                                                 tdm_value value,
2025                                                                                 int no_check_thread_id)
2026 {
2027         tdm_private_display *private_display;
2028         tdm_private_change_handler *change_handler = NULL;
2029
2030         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
2031         TDM_RETURN_IF_FAIL(private_output);
2032
2033         private_display = private_output->private_display;
2034         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
2035                 if (type & TDM_OUTPUT_CHANGE_CONNECTION)
2036                         TDM_INFO("output(%d) changed: %s (%d)",
2037                                          private_output->pipe, tdm_status_str(value.u32), value.u32);
2038                 if (type & TDM_OUTPUT_CHANGE_DPMS)
2039                         TDM_INFO("output(%d) changed: dpms %s (%d)",
2040                                          private_output->pipe, tdm_dpms_str(value.u32), value.u32);
2041         }
2042
2043         if (LIST_IS_EMPTY(change_handler_list))
2044                 return;
2045
2046         LIST_FOR_EACH_ENTRY(change_handler, change_handler_list, link) {
2047                 if (!no_check_thread_id && change_handler->owner_tid != syscall(SYS_gettid))
2048                         TDM_NEVER_GET_HERE();
2049
2050                 _pthread_mutex_unlock(&private_display->lock);
2051                 change_handler->func(private_output, type,
2052                                                          value, change_handler->user_data);
2053                 _pthread_mutex_lock(&private_display->lock);
2054         }
2055 }
2056
2057 static int
2058 _is_hwc_output_still_existed(tdm_private_output *private_output)
2059 {
2060         tdm_private_display *dpy;
2061         tdm_private_output *o = NULL;
2062
2063         dpy = tdm_display_init(NULL);
2064         TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_OPERATION_FAILED);
2065
2066         LIST_FOR_EACH_ENTRY(o, &dpy->output_list, link) {
2067                 if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
2068                         continue;
2069
2070                 if (o == private_output)
2071                         goto exist;
2072         }
2073
2074         tdm_display_deinit(dpy);
2075         return 0;
2076
2077 exist:
2078         tdm_display_deinit(dpy);
2079         return 1;
2080 }
2081
2082 /* gets called on behalf of the ecore-main-loop thread */
2083 INTERN tdm_error
2084 tdm_output_cb_need_validate(tdm_private_output *private_output)
2085 {
2086         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
2087
2088         /* as we get 'private_output' within an event, an output this 'private_output'
2089          * points to can be destroyed already */
2090         if (!_is_hwc_output_still_existed(private_output))
2091                 return TDM_ERROR_NONE;
2092
2093         TDM_INFO("tdm-backend asks for revalidation for the output:%p.", private_output);
2094
2095         if (private_output->need_validate.hndl)
2096                 private_output->need_validate.hndl((tdm_output*)private_output);
2097
2098         return TDM_ERROR_NONE;
2099 }
2100
2101 /* gets called on behalf of the tdm-thread */
2102 static tdm_error
2103 _need_validate_handler(int fd, tdm_event_loop_mask mask, void *user_data)
2104 {
2105         tdm_thread_cb_need_validate ev;
2106         tdm_private_output *private_output;
2107         tdm_error ret;
2108         uint64_t value;
2109
2110         private_output = (tdm_private_output *)user_data;
2111
2112         if (read(private_output->need_validate.event_fd, &value, sizeof(value)) < 0) {
2113                 TDM_ERR("error while trying to read from a need_validate.event_fd fd.");
2114                 return TDM_ERROR_OPERATION_FAILED;
2115         }
2116
2117         ev.base.type = TDM_THREAD_CB_NEED_VALIDATE;
2118         ev.base.length = sizeof ev;
2119         ev.o = private_output;
2120
2121         ret = tdm_thread_send_cb(private_output->private_display->private_loop, &ev.base);
2122         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
2123
2124         TDM_INFO("tdm-thread: get a 'need to revalidate' event for the ouptut:%p.", private_output);
2125
2126         /* who cares about this? */
2127         return TDM_ERROR_NONE;
2128 }
2129
2130 INTERN tdm_error
2131 tdm_output_need_validate_event_init(tdm_output *output)
2132 {
2133         int fd;
2134
2135         OUTPUT_FUNC_ENTRY();
2136
2137         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), TDM_ERROR_OPERATION_FAILED);
2138
2139         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
2140                 TDM_ERR("output(%p) not support HWC", private_output);
2141                 return TDM_ERROR_BAD_REQUEST;
2142         }
2143
2144         /* build in eventfd fds into event_loop listened & handled by the tdm-thread */
2145         fd = eventfd(0, 0);
2146         TDM_WARNING_IF_FAIL(fd >= 0);
2147
2148         private_output->need_validate.event_source = tdm_event_loop_add_fd_handler(private_display,
2149                         fd,     TDM_EVENT_LOOP_READABLE, _need_validate_handler, private_output, &ret);
2150         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
2151
2152         private_output->need_validate.event_fd = fd;
2153
2154         TDM_INFO("register an output:%p for the revalidation, event_fd:%d.", private_output, fd);
2155
2156         return ret;
2157 }
2158
2159 INTERN tdm_error
2160 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
2161 {
2162         if (!private_output)
2163                 return TDM_ERROR_INVALID_PARAMETER;
2164
2165         if (mode < 0 || mode > 2)
2166                 return TDM_ERROR_INVALID_PARAMETER;
2167
2168         private_output->commit_per_vblank = mode;
2169
2170         if (private_output->commit_per_vblank == 0)
2171                 TDM_INFO("commit per vblank: disable");
2172         else if (private_output->commit_per_vblank == 1)
2173                 TDM_INFO("commit per vblank: enable (1 layer)");
2174         else if (private_output->commit_per_vblank == 2)
2175                 TDM_INFO("commit per vblank: enable (previous commit)");
2176
2177         return TDM_ERROR_NONE;
2178 }