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