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