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         private_output->vblank_timeout_timer_expired++;
  72
  73         TDM_ERR("TDM output(%d) vblank TIMEOUT!! (%d time%s)",
  74                         private_output->pipe,
  75                         private_output->vblank_timeout_timer_expired,
  76                         (private_output->vblank_timeout_timer_expired > 1) ? "s" : "");
  77
  78         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
  79                 TDM_ERR("vblank_handler(%p) interval(%d) sync(%d) sent_to_frontend(%u) owner_tid(%d)",
  80                                 v, v->interval, v->sync, v->sent_to_frontend, v->owner_tid);
  81         }
  82
  83         return TDM_ERROR_NONE;
  84 }
  85
  86 INTERN void
  87 tdm_output_vblank_print_wait_information(tdm_private_output *private_output, void *user_data)
  88 {
  89         tdm_private_output_vblank_handler *v = NULL;
  90
  91         TDM_RETURN_IF_FAIL(private_output != NULL);
  92         TDM_RETURN_IF_FAIL(user_data != NULL);
  93
  94         TDM_ERR("TDM output(%d) vblank user_data(%p) info!!", private_output->pipe, user_data);
  95
  96         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
  97                 if (v->user_data != user_data)
  98                         continue;
  99                 TDM_ERR("vblank_handler(%p) interval(%d) sync(%d) sent_to_frontend(%u) owner_tid(%d)",
 100                                 v, v->interval, v->sync, v->sent_to_frontend, v->owner_tid);
 101         }
 102 }
 103
 104 static void
 105 _tdm_output_vblank_timeout_update(tdm_private_output *private_output, int ms_delay)
 106 {
 107         tdm_error ret;
 108
 109         if (!private_output->vblank_timeout_timer) {
 110                 private_output->vblank_timeout_timer =
 111                         tdm_event_loop_add_timer_handler(private_output->private_display,
 112                                                                                          _tdm_output_vblank_timeout_cb,
 113                                                                                          private_output,
 114                                                                                          &ret);
 115                 if (!private_output->vblank_timeout_timer) {
 116                         TDM_ERR("output(%d) couldn't add timer", private_output->pipe);
 117                         return;
 118                 }
 119                 TDM_INFO("output(%d) create vblank timeout timer", private_output->pipe);
 120                 private_output->vblank_timeout_timer_expired = 0;
 121         }
 122
 123         ret = tdm_event_loop_source_timer_update(private_output->vblank_timeout_timer, ms_delay);
 124         if (ret != TDM_ERROR_NONE) {
 125                 TDM_ERR("output(%d) couldn't update timer", private_output->pipe);
 126                 return;
 127         }
 128 }
 129
 130 static tdm_private_hwc_window *
 131 _tdm_output_find_private_hwc_window(tdm_private_output *private_output,
 132                                                                 tdm_hwc_window *hwc_window_backend)
 133 {
 134         tdm_private_hwc_window *private_hwc_window = NULL;
 135
 136         LIST_FOR_EACH_ENTRY(private_hwc_window, &private_output->hwc_window_list, link) {
 137                 if (private_hwc_window->hwc_window_backend == hwc_window_backend)
 138                         return private_hwc_window;
 139         }
 140
 141         return NULL;
 142 }
 143
 144 INTERN tdm_error
 145 tdm_output_init(tdm_private_display *private_display)
 146 {
 147         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_COMMIT, tdm_display_find_output_stamp);
 148         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_VBLANK, tdm_display_find_output_stamp);
 149         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_CHANGE, tdm_display_find_output_stamp);
 150
 151         return TDM_ERROR_NONE;
 152 }
 153
 154 EXTERN tdm_module *
 155 tdm_output_get_backend_module(tdm_output *output, tdm_error *error)
 156 {
 157         tdm_private_module *private_module;
 158
 159         OUTPUT_FUNC_ENTRY_ERROR();
 160
 161         _pthread_mutex_lock(&private_display->lock);
 162
 163         private_module = private_output->private_module;
 164
 165         if (error)
 166                 *error = TDM_ERROR_NONE;
 167
 168         _pthread_mutex_unlock(&private_display->lock);
 169
 170         return private_module;
 171 }
 172
 173 EXTERN tdm_error
 174 tdm_output_get_model_info(tdm_output *output, const char **maker,
 175                                                   const char **model, const char **name)
 176 {
 177         OUTPUT_FUNC_ENTRY();
 178
 179         _pthread_mutex_lock(&private_display->lock);
 180
 181         if (maker)
 182                 *maker = private_output->caps.maker;
 183         if (model)
 184                 *model = private_output->caps.model;
 185         if (name)
 186                 *name = private_output->caps.name;
 187
 188         _pthread_mutex_unlock(&private_display->lock);
 189
 190         return ret;
 191 }
 192
 193 EXTERN tdm_error
 194 tdm_output_get_capabilities(tdm_output *output, tdm_output_capability *capabilities)
 195 {
 196         OUTPUT_FUNC_ENTRY();
 197
 198         TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 199
 200         _pthread_mutex_lock(&private_display->lock);
 201
 202         *capabilities = private_output->caps.capabilities;
 203
 204         _pthread_mutex_unlock(&private_display->lock);
 205
 206         return ret;
 207 }
 208
 209 EXTERN tdm_error
 210 tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status)
 211 {
 212         OUTPUT_FUNC_ENTRY();
 213
 214         TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 215
 216         _pthread_mutex_lock(&private_display->lock);
 217
 218         *status = private_output->caps.status;
 219
 220         _pthread_mutex_unlock(&private_display->lock);
 221
 222         return ret;
 223 }
 224
 225 INTERN void
 226 tdm_output_thread_cb_change(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 227 {
 228         tdm_private_output *private_output = object;
 229         tdm_thread_cb_output_change *output_change = (tdm_thread_cb_output_change *)cb_base;
 230         tdm_private_output_change_handler *change_handler = user_data;
 231
 232         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 233
 234         assert(change_handler->owner_tid == syscall(SYS_gettid));
 235
 236         _pthread_mutex_unlock(&private_display->lock);
 237         change_handler->func(private_output, output_change->type, output_change->value, change_handler->user_data);
 238         _pthread_mutex_lock(&private_display->lock);
 239 }
 240
 241 static tdm_error
 242 _tdm_output_call_thread_cb_change(tdm_private_output *private_output, tdm_output_change_type type, tdm_value value)
 243 {
 244         tdm_thread_cb_output_change output_change;
 245         tdm_error ret;
 246
 247         memset(&output_change, 0, sizeof output_change);
 248         output_change.base.type = TDM_THREAD_CB_OUTPUT_CHANGE;
 249         output_change.base.length = sizeof output_change;
 250         output_change.base.object_stamp = private_output->stamp;
 251         output_change.base.data = NULL;
 252         output_change.base.sync = 1;
 253         output_change.type = type;
 254         output_change.value = value;
 255
 256         ret = tdm_thread_cb_call(private_output, &output_change.base);
 257         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 258
 259         return TDM_ERROR_NONE;
 260 }
 261
 262 INTERN void
 263 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status, void *user_data)
 264 {
 265         tdm_private_output *private_output = user_data;
 266         tdm_value value;
 267         tdm_error ret;
 268
 269         TDM_RETURN_IF_FAIL(private_output);
 270
 271         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(status));
 272
 273         if ((private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED && status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) ||
 274                 (private_output->caps.status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED && status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)) {
 275                 ret = tdm_display_update_output(private_output->private_module, output_backend, private_output->pipe, 1);
 276                 TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 277         } else {
 278                 private_output->caps.status = status;
 279         }
 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 = NULL;
 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         LIST_FOR_EACH_ENTRY(change_handler, &private_output->change_handler_list, link) {
 319                 if (change_handler->func == func && change_handler->user_data == user_data) {
 320                         TDM_ERR("can't add twice");
 321                         _pthread_mutex_unlock(&private_display->lock);
 322                         return TDM_ERROR_BAD_REQUEST;
 323                 }
 324         }
 325
 326         change_handler = calloc(1, sizeof(tdm_private_output_change_handler));
 327         if (!change_handler) {
 328                 /* LCOV_EXCL_START */
 329                 TDM_ERR("failed: alloc memory");
 330                 _pthread_mutex_unlock(&private_display->lock);
 331                 return TDM_ERROR_OUT_OF_MEMORY;
 332                 /* LCOV_EXCL_STOP */
 333         }
 334
 335         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_CHANGE, NULL, tdm_output_thread_cb_change, change_handler);
 336         if (ret != TDM_ERROR_NONE) {
 337                 /* LCOV_EXCL_START */
 338                 TDM_ERR("tdm_thread_cb_add failed");
 339                 free(change_handler);
 340                 _pthread_mutex_unlock(&private_display->lock);
 341                 return TDM_ERROR_OPERATION_FAILED;
 342                 /* LCOV_EXCL_STOP */
 343         }
 344
 345         change_handler->private_output = private_output;
 346         change_handler->func = func;
 347         change_handler->user_data = user_data;
 348         change_handler->owner_tid = syscall(SYS_gettid);
 349
 350         LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list);
 351
 352         _pthread_mutex_unlock(&private_display->lock);
 353
 354         return ret;
 355 }
 356
 357 EXTERN void
 358 tdm_output_remove_change_handler(tdm_output *output,
 359                                                                  tdm_output_change_handler func,
 360                                                                  void *user_data)
 361 {
 362         tdm_private_display *private_display;
 363         tdm_private_output *private_output;
 364         tdm_private_output_change_handler *change_handler = NULL, *hh = NULL;
 365
 366         TDM_RETURN_IF_FAIL(tdm_output_is_valid(output));
 367         TDM_RETURN_IF_FAIL(func != NULL);
 368
 369         private_output = (tdm_private_output*)output;
 370         private_display = private_output->private_display;
 371
 372         _pthread_mutex_lock(&private_display->lock);
 373
 374         LIST_FOR_EACH_ENTRY_SAFE(change_handler, hh, &private_output->change_handler_list, link) {
 375                 if (change_handler->func != func || change_handler->user_data != user_data)
 376                         continue;
 377
 378                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_CHANGE, NULL, tdm_output_thread_cb_change, change_handler);
 379
 380                 LIST_DEL(&change_handler->link);
 381                 free(change_handler);
 382
 383                 _pthread_mutex_unlock(&private_display->lock);
 384
 385                 return;
 386         }
 387
 388         _pthread_mutex_unlock(&private_display->lock);
 389 }
 390
 391 EXTERN tdm_error
 392 tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
 393 {
 394         OUTPUT_FUNC_ENTRY();
 395
 396         TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
 397
 398         _pthread_mutex_lock(&private_display->lock);
 399
 400         *type = private_output->caps.type;
 401
 402         _pthread_mutex_unlock(&private_display->lock);
 403
 404         return ret;
 405 }
 406
 407 EXTERN tdm_error
 408 tdm_output_get_layer_count(tdm_output *output, int *count)
 409 {
 410         tdm_private_layer *private_layer = NULL;
 411
 412         OUTPUT_FUNC_ENTRY();
 413
 414         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 415
 416         _pthread_mutex_lock(&private_display->lock);
 417
 418         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 419                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 420                 *count = 0;
 421                 _pthread_mutex_unlock(&private_display->lock);
 422                 return TDM_ERROR_BAD_REQUEST;
 423         }
 424
 425         *count = 0;
 426         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
 427         (*count)++;
 428         if (*count == 0) {
 429                 _pthread_mutex_unlock(&private_display->lock);
 430                 return TDM_ERROR_NONE;
 431         }
 432
 433         _pthread_mutex_unlock(&private_display->lock);
 434
 435         return ret;
 436 }
 437
 438
 439 EXTERN tdm_layer *
 440 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 441 {
 442         tdm_private_layer *private_layer = NULL;
 443
 444         OUTPUT_FUNC_ENTRY_ERROR();
 445
 446         _pthread_mutex_lock(&private_display->lock);
 447
 448         if (error)
 449                 *error = TDM_ERROR_NONE;
 450
 451         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 452                 _pthread_mutex_unlock(&private_display->lock);
 453                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 454                 if (error)
 455                         *error = TDM_ERROR_BAD_REQUEST;
 456                 return NULL;
 457         }
 458
 459         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 460                 if (private_layer->index == index) {
 461                         _pthread_mutex_unlock(&private_display->lock);
 462                         return private_layer;
 463                 }
 464         }
 465
 466         _pthread_mutex_unlock(&private_display->lock);
 467
 468         return NULL;
 469 }
 470
 471 EXTERN tdm_error
 472 tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
 473                                                                         int *count)
 474 {
 475         OUTPUT_FUNC_ENTRY();
 476
 477         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 478         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 479
 480         _pthread_mutex_lock(&private_display->lock);
 481
 482         *props = (const tdm_prop *)private_output->caps.props;
 483         *count = private_output->caps.prop_count;
 484
 485         _pthread_mutex_unlock(&private_display->lock);
 486
 487         return ret;
 488 }
 489
 490 EXTERN tdm_error
 491 tdm_output_get_available_modes(tdm_output *output,
 492                                                            const tdm_output_mode **modes, int *count)
 493 {
 494         OUTPUT_FUNC_ENTRY();
 495
 496         TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
 497         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 498
 499         _pthread_mutex_lock(&private_display->lock);
 500
 501         *modes = (const tdm_output_mode *)private_output->caps.modes;
 502         *count = private_output->caps.mode_count;
 503
 504         _pthread_mutex_unlock(&private_display->lock);
 505
 506         return ret;
 507 }
 508
 509 EXTERN tdm_error
 510 tdm_output_get_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 (min_w)
 518                 *min_w = TDM_FRONT_VALUE(private_output->caps.min_w);
 519         if (min_h)
 520                 *min_h = TDM_FRONT_VALUE(private_output->caps.min_h);
 521         if (max_w)
 522                 *max_w = TDM_FRONT_VALUE(private_output->caps.max_w);
 523         if (max_h)
 524                 *max_h = TDM_FRONT_VALUE(private_output->caps.max_h);
 525         if (preferred_align)
 526                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.preferred_align);
 527
 528         _pthread_mutex_unlock(&private_display->lock);
 529
 530         return ret;
 531 }
 532
 533 EXTERN tdm_error
 534 tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
 535                                                                          int *max_w, int *max_h, int *preferred_align)
 536 {
 537         OUTPUT_FUNC_ENTRY();
 538
 539         _pthread_mutex_lock(&private_display->lock);
 540
 541         if (!tdm_module_check_abi(private_output->private_module, 1, 5)) {
 542                 _pthread_mutex_unlock(&private_display->lock);
 543                 return TDM_ERROR_BAD_REQUEST;
 544         }
 545
 546         if (min_w)
 547                 *min_w = TDM_FRONT_VALUE(private_output->caps.cursor_min_w);
 548         if (min_h)
 549                 *min_h = TDM_FRONT_VALUE(private_output->caps.cursor_min_h);
 550         if (max_w)
 551                 *max_w = TDM_FRONT_VALUE(private_output->caps.cursor_max_w);
 552         if (max_h)
 553                 *max_h = TDM_FRONT_VALUE(private_output->caps.cursor_max_h);
 554         if (preferred_align)
 555                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.cursor_preferred_align);
 556
 557         _pthread_mutex_unlock(&private_display->lock);
 558
 559         return ret;
 560 }
 561
 562 EXTERN tdm_error
 563 tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
 564                                                          unsigned int *mmHeight)
 565 {
 566         OUTPUT_FUNC_ENTRY();
 567
 568         _pthread_mutex_lock(&private_display->lock);
 569
 570         if (mmWidth)
 571                 *mmWidth = private_output->caps.mmWidth;
 572         if (mmHeight)
 573                 *mmHeight = private_output->caps.mmHeight;
 574
 575         _pthread_mutex_unlock(&private_display->lock);
 576
 577         return ret;
 578 }
 579
 580 EXTERN tdm_error
 581 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
 582 {
 583         OUTPUT_FUNC_ENTRY();
 584         TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
 585
 586         _pthread_mutex_lock(&private_display->lock);
 587
 588         *subpixel = private_output->caps.subpixel;
 589
 590         _pthread_mutex_unlock(&private_display->lock);
 591
 592         return ret;
 593 }
 594
 595 EXTERN tdm_error
 596 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
 597 {
 598         OUTPUT_FUNC_ENTRY();
 599         TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
 600
 601         _pthread_mutex_lock(&private_display->lock);
 602
 603         *pipe = private_output->pipe;
 604
 605         _pthread_mutex_unlock(&private_display->lock);
 606
 607         return ret;
 608 }
 609
 610 EXTERN tdm_error
 611 tdm_output_get_primary_index(tdm_output *output, int *index)
 612 {
 613         tdm_private_layer *private_layer = NULL;
 614
 615         OUTPUT_FUNC_ENTRY();
 616         TDM_RETURN_VAL_IF_FAIL(index != NULL, TDM_ERROR_INVALID_PARAMETER);
 617
 618         _pthread_mutex_lock(&private_display->lock);
 619
 620         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 621                 if (private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_PRIMARY) {
 622                         *index = private_layer->index;
 623                         break;
 624                 }
 625         }
 626
 627         _pthread_mutex_unlock(&private_display->lock);
 628
 629         return ret;
 630 }
 631
 632 EXTERN tdm_error
 633 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
 634 {
 635         tdm_private_module *private_module;
 636         tdm_func_output *func_output;
 637         OUTPUT_FUNC_ENTRY();
 638
 639         _pthread_mutex_lock(&private_display->lock);
 640
 641         private_module = private_output->private_module;
 642         func_output = &private_module->func_output;
 643
 644         if (!func_output->output_set_property) {
 645                 /* LCOV_EXCL_START */
 646                 _pthread_mutex_unlock(&private_display->lock);
 647                 TDM_WRN("not implemented!!");
 648                 return TDM_ERROR_NOT_IMPLEMENTED;
 649                 /* LCOV_EXCL_STOP */
 650         }
 651
 652         ret = func_output->output_set_property(private_output->output_backend, id,
 653                                                                                    value);
 654
 655         _pthread_mutex_unlock(&private_display->lock);
 656
 657         return ret;
 658 }
 659
 660 EXTERN tdm_error
 661 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 662 {
 663         tdm_private_module *private_module;
 664         tdm_func_output *func_output;
 665         OUTPUT_FUNC_ENTRY();
 666
 667         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 668
 669         _pthread_mutex_lock(&private_display->lock);
 670
 671         private_module = private_output->private_module;
 672         func_output = &private_module->func_output;
 673
 674         if (!func_output->output_get_property) {
 675                 /* LCOV_EXCL_START */
 676                 _pthread_mutex_unlock(&private_display->lock);
 677                 TDM_WRN("not implemented!!");
 678                 return TDM_ERROR_NOT_IMPLEMENTED;
 679                 /* LCOV_EXCL_STOP */
 680         }
 681
 682         ret = func_output->output_get_property(private_output->output_backend, id,
 683                                                                                    value);
 684
 685         _pthread_mutex_unlock(&private_display->lock);
 686
 687         return ret;
 688 }
 689
 690 static void
 691 _tdm_output_thread_cb_vblank(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 692 {
 693         tdm_thread_cb_output_vblank *output_vblank = (tdm_thread_cb_output_vblank *)cb_base;
 694         tdm_private_output_vblank_handler *vblank_handler = output_vblank->base.data;
 695         tdm_private_output_vblank_handler *v = NULL, *vv = NULL;
 696         tdm_private_output *private_output = object;
 697         struct list_head clone_list;
 698         int interval, sync;
 699         pid_t tid = syscall(SYS_gettid);
 700
 701         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 702
 703         assert(vblank_handler->owner_tid == tid);
 704
 705         vblank_handler->sent_to_frontend = 0;
 706
 707         _tdm_output_vblank_timeout_update(private_output, 0);
 708
 709         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 710
 711         interval = vblank_handler->interval;
 712         sync = vblank_handler->sync;
 713
 714         LIST_INITHEAD(&clone_list);
 715
 716         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 717                 if (v->interval != interval || v->sync != sync || v->owner_tid != tid)
 718                         continue;
 719
 720                 LIST_DEL(&v->link);
 721                 LIST_ADDTAIL(&v->link, &clone_list);
 722         }
 723
 724         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 725                 TDM_INFO("----------------------------------------- output(%d) got vblank", private_output->pipe);
 726
 727         _pthread_mutex_unlock(&private_display->lock);
 728         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &clone_list, link) {
 729                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 730                         TDM_INFO("handler(%p)", v);
 731
 732                 LIST_DEL(&v->link);
 733
 734                 if (v->func)
 735                         v->func(v->private_output,
 736                                         output_vblank->sequence,
 737                                         output_vblank->tv_sec,
 738                                         output_vblank->tv_usec,
 739                                         v->user_data);
 740
 741                 free(v);
 742         }
 743         _pthread_mutex_lock(&private_display->lock);
 744
 745         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 746                 TDM_INFO("-----------------------------------------...");
 747 }
 748
 749 static void
 750 _tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 751                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 752 {
 753         tdm_private_output_vblank_handler *vblank_handler = user_data;
 754         tdm_thread_cb_output_vblank output_vblank;
 755         tdm_error ret;
 756
 757         memset(&output_vblank, 0, sizeof output_vblank);
 758         output_vblank.base.type = TDM_THREAD_CB_OUTPUT_VBLANK;
 759         output_vblank.base.length = sizeof output_vblank;
 760         output_vblank.base.object_stamp = vblank_handler->private_output->stamp;
 761         output_vblank.base.data = vblank_handler;
 762         output_vblank.base.sync = 0;
 763         output_vblank.sequence = sequence;
 764         output_vblank.tv_sec = tv_sec;
 765         output_vblank.tv_usec = tv_usec;
 766
 767         vblank_handler->sent_to_frontend = 1;
 768
 769         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 770                 TDM_INFO("output(%d) wait_vblank: handler(%p)", vblank_handler->private_output->pipe, vblank_handler);
 771
 772         ret = tdm_thread_cb_call(vblank_handler->private_output, &output_vblank.base);
 773         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 774 }
 775
 776 static void
 777 _tdm_output_thread_cb_commit(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 778 {
 779         tdm_thread_cb_output_commit *output_commit = (tdm_thread_cb_output_commit *)cb_base;
 780         tdm_private_output_commit_handler *output_commit_handler = output_commit->base.data;
 781         tdm_private_output *private_output = object;
 782         tdm_private_layer *private_layer = NULL;
 783
 784         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 785
 786         if (!output_commit_handler)
 787                 return;
 788
 789         assert(output_commit_handler->owner_tid == syscall(SYS_gettid));
 790
 791         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
 792
 793         LIST_DEL(&output_commit_handler->link);
 794
 795         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
 796                 TDM_INFO("----------------------------------------- output(%d) committed", private_output->pipe);
 797                 TDM_INFO("handler(%p)", output_commit_handler);
 798         }
 799
 800         if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
 801                 /* In case of layer commit, the below will be handled in the layer commit callback */
 802                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 803                         if (private_layer->committed_buffer)
 804                                 tdm_layer_committed(private_layer, &private_layer->committed_buffer);
 805                 }
 806         }
 807
 808         if (output_commit_handler->func) {
 809                 _pthread_mutex_unlock(&private_display->lock);
 810                 output_commit_handler->func(private_output,
 811                                                                         output_commit->sequence,
 812                                                                         output_commit->tv_sec,
 813                                                                         output_commit->tv_usec,
 814                                                                         output_commit_handler->user_data);
 815                 _pthread_mutex_lock(&private_display->lock);
 816         }
 817
 818         free(output_commit_handler);
 819
 820         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 821                 TDM_INFO("-----------------------------------------...");
 822 }
 823
 824 static void
 825 _tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 826                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 827 {
 828         tdm_private_output_commit_handler *output_commit_handler = user_data;
 829         tdm_private_output *private_output;
 830         tdm_thread_cb_output_commit output_commit;
 831         tdm_error ret;
 832
 833         if (output_commit_handler)
 834                 private_output = output_commit_handler->private_output;
 835         else
 836                 private_output = tdm_display_find_private_output(tdm_display_get(), output_backend);
 837
 838         memset(&output_commit, 0, sizeof output_commit);
 839         output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
 840         output_commit.base.length = sizeof output_commit;
 841         output_commit.base.object_stamp = private_output->stamp;
 842         output_commit.base.data = output_commit_handler;
 843         output_commit.base.sync = 0;
 844         output_commit.sequence = sequence;
 845         output_commit.tv_sec = tv_sec;
 846         output_commit.tv_usec = tv_usec;
 847
 848         ret = tdm_thread_cb_call(private_output, &output_commit.base);
 849         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 850 }
 851
 852 /* add_front: To distinguish between the user vblank handlers and the layer
 853  *            commit vblank handlers. The layer commit handlers will be called
 854  *            before calling the user vblank handlers.
 855  */
 856 static tdm_error
 857 _tdm_output_wait_vblank(tdm_private_output *private_output, int interval, int sync,
 858                                                 tdm_output_vblank_handler func, void *user_data,
 859                                                 unsigned int add_front)
 860 {
 861         tdm_private_module *private_module;
 862         tdm_func_output *func_output;
 863         tdm_private_output_vblank_handler *vblank_handler = NULL, *v = NULL;
 864         unsigned int skip_request = 0;
 865         pid_t tid = syscall(SYS_gettid);
 866         tdm_error ret = TDM_ERROR_NONE;
 867
 868         private_module = private_output->private_module;
 869         func_output = &private_module->func_output;
 870
 871         /* interval SHOULD be at least 1 */
 872         if (interval <= 0)
 873                 interval = 1;
 874
 875         if (!func_output->output_wait_vblank) {
 876                 /* LCOV_EXCL_START */
 877                 TDM_WRN("not implemented!!");
 878                 return TDM_ERROR_NOT_IMPLEMENTED;
 879                 /* LCOV_EXCL_STOP */
 880         }
 881
 882         if (!private_output->regist_vblank_cb) {
 883                 private_output->regist_vblank_cb = 1;
 884                 ret = func_output->output_set_vblank_handler(private_output->output_backend,
 885                                 _tdm_output_cb_vblank);
 886         }
 887
 888         vblank_handler = calloc(1, sizeof(tdm_private_output_vblank_handler));
 889         if (!vblank_handler) {
 890                 /* LCOV_EXCL_START */
 891                 TDM_ERR("failed: alloc memory");
 892                 return TDM_ERROR_OUT_OF_MEMORY;
 893                 /* LCOV_EXCL_STOP */
 894         }
 895
 896         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 897                 TDM_INFO("output(%d) wait_vblank: handler(%p)", private_output->pipe, vblank_handler);
 898
 899         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 900                 if (v->interval == interval && v->sync == sync && v->owner_tid == tid) {
 901                         skip_request = 1;
 902                         break;
 903                 }
 904         }
 905
 906         if (add_front)
 907                 LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
 908         else
 909                 LIST_ADDTAIL(&vblank_handler->link, &private_output->vblank_handler_list);
 910
 911         vblank_handler->private_output = private_output;
 912         vblank_handler->interval = interval;
 913         vblank_handler->sync = sync;
 914         vblank_handler->func = func;
 915         vblank_handler->user_data = user_data;
 916         vblank_handler->owner_tid = tid;
 917
 918         /* If there is the previous request, we can skip to call output_wait_vblank() */
 919         if (!skip_request) {
 920                 ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 921                 if (ret != TDM_ERROR_NONE) {
 922                         TDM_ERR("tdm_thread_cb_add failed");
 923                         goto wait_failed;
 924                 }
 925
 926                 ret = func_output->output_wait_vblank(private_output->output_backend, interval,
 927                                                                                           sync, vblank_handler);
 928                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 929
 930                 _tdm_output_vblank_timeout_update(private_output, 1000);
 931
 932                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 933                         TDM_INFO("output(%d) backend wait_vblank", private_output->pipe);
 934         }
 935
 936         return ret;
 937
 938 wait_failed:
 939         /* LCOV_EXCL_START */
 940         if (vblank_handler) {
 941                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 942                 LIST_DEL(&vblank_handler->link);
 943                 free(vblank_handler);
 944         }
 945         return ret;
 946         /* LCOV_EXCL_STOP */
 947 }
 948
 949 EXTERN tdm_error
 950 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 951                                            tdm_output_vblank_handler func, void *user_data)
 952 {
 953         OUTPUT_FUNC_ENTRY();
 954         TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_ERROR_INVALID_PARAMETER);
 955
 956         _pthread_mutex_lock(&private_display->lock);
 957
 958         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 959                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 960                                 tdm_dpms_str(private_output->current_dpms_value));
 961                 _pthread_mutex_unlock(&private_display->lock);
 962                 return TDM_ERROR_DPMS_OFF;
 963         }
 964
 965         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 0);
 966
 967         _pthread_mutex_unlock(&private_display->lock);
 968
 969         return ret;
 970 }
 971
 972 /* LCOV_EXCL_START */
 973 EXTERN tdm_error
 974 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
 975                                                                  tdm_output_vblank_handler func, void *user_data)
 976 {
 977         OUTPUT_FUNC_ENTRY();
 978
 979         _pthread_mutex_lock(&private_display->lock);
 980
 981         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 982                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 983                                 tdm_dpms_str(private_output->current_dpms_value));
 984                 _pthread_mutex_unlock(&private_display->lock);
 985                 return TDM_ERROR_DPMS_OFF;
 986         }
 987
 988         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 1);
 989
 990         _pthread_mutex_unlock(&private_display->lock);
 991
 992         return ret;
 993 }
 994 /* LCOV_EXCL_STOP */
 995
 996 INTERN void
 997 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
 998 {
 999         tdm_private_output *private_output = (tdm_private_output*)output;
1000         tdm_private_output_vblank_handler *v = NULL;
1001
1002         TDM_RETURN_IF_FAIL(private_output != NULL);
1003         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1004
1005         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
1006                 if (v->func == func && v->user_data == user_data) {
1007                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1008                         v->func = NULL;
1009                         v->user_data = NULL;
1010                         break;
1011                 }
1012         }
1013 }
1014
1015 INTERN void
1016 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1017 {
1018         tdm_private_output *private_output = (tdm_private_output*)output;
1019         tdm_private_output_commit_handler *c = NULL;
1020
1021         TDM_RETURN_IF_FAIL(private_output != NULL);
1022         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1023
1024         LIST_FOR_EACH_ENTRY(c, &private_output->output_commit_handler_list, link) {
1025                 if (c->func == func && c->user_data == user_data) {
1026                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1027                         c->func = NULL;
1028                         c->user_data = NULL;
1029                         break;
1030                 }
1031         }
1032 }
1033
1034 EXTERN tdm_error
1035 tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
1036 {
1037         OUTPUT_FUNC_ENTRY();
1038
1039         _pthread_mutex_lock(&private_display->lock);
1040
1041         tdm_output_remove_vblank_handler_internal(output, func, user_data);
1042
1043         _pthread_mutex_unlock(&private_display->lock);
1044
1045         return ret;
1046 }
1047
1048 EXTERN tdm_error
1049 tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1050 {
1051         OUTPUT_FUNC_ENTRY();
1052
1053         _pthread_mutex_lock(&private_display->lock);
1054
1055         tdm_output_remove_commit_handler_internal(output, func, user_data);
1056
1057         _pthread_mutex_unlock(&private_display->lock);
1058
1059         return ret;
1060 }
1061
1062 INTERN tdm_error
1063 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
1064 {
1065         tdm_private_output *private_output;
1066         tdm_private_module *private_module;
1067         tdm_func_output *func_output;
1068         tdm_private_output_commit_handler *output_commit_handler = NULL;
1069         tdm_private_layer *private_layer = NULL;
1070         tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
1071         tdm_error ret = TDM_ERROR_NONE;
1072
1073         TDM_RETURN_VAL_IF_FAIL(tdm_output_is_valid(output), TDM_ERROR_INVALID_PARAMETER);
1074
1075         private_output = (tdm_private_output*)output;
1076         private_module = private_output->private_module;
1077         func_output = &private_module->func_output;
1078
1079         if (!func_output->output_commit) {
1080                 /* LCOV_EXCL_START */
1081                 TDM_WRN("not implemented!!");
1082                 return TDM_ERROR_NOT_IMPLEMENTED;
1083                 /* LCOV_EXCL_STOP */
1084         }
1085
1086         ret = tdm_output_get_dpms_internal(output, &dpms_value);
1087         TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
1088
1089         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1090                 if (!private_output->regist_commit_cb) {
1091                         private_output->regist_commit_cb = 1;
1092                         ret = func_output->output_set_commit_handler(private_output->output_backend, _tdm_output_cb_commit);
1093                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1094                 }
1095
1096                 output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
1097                 if (!output_commit_handler) {
1098                         /* LCOV_EXCL_START */
1099                         TDM_ERR("failed: alloc memory");
1100                         return TDM_ERROR_OUT_OF_MEMORY;
1101                         /* LCOV_EXCL_STOP */
1102                 }
1103
1104                 ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1105                 if (ret != TDM_ERROR_NONE) {
1106                         TDM_ERR("tdm_thread_cb_add failed");
1107                         free(output_commit_handler);
1108                         return ret;
1109                 }
1110
1111                 LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
1112                 output_commit_handler->private_output = private_output;
1113                 output_commit_handler->func = func;
1114                 output_commit_handler->user_data = user_data;
1115                 output_commit_handler->owner_tid = syscall(SYS_gettid);
1116
1117                 ret = func_output->output_commit(private_output->output_backend, sync,
1118                                 output_commit_handler);
1119                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1120
1121                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
1122                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
1123                                         private_output->pipe, output_commit_handler, func, user_data);
1124         }
1125
1126         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
1127          * for tdm_layer_committed() function.
1128          */
1129         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1130                 if (!private_layer->waiting_buffer)
1131                         continue;
1132
1133                 if (private_layer->committed_buffer)
1134                         tdm_layer_free_buffer(private_layer, private_layer->committed_buffer);
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_module *private_module;
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_module = private_output->private_module;
1221         func_output = &private_module->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_module *private_module;
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_module = private_output->private_module;
1288         func_output = &private_module->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_module *private_module;
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_module = private_output->private_module;
1360         func_output = &private_module->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_module *private_module;
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_module = private_output->private_module;
1429         func_output = &private_module->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, tdm_dpms_str(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_error
1478 tdm_output_has_capture_capability(tdm_output *output, unsigned int *has_capability)
1479 {
1480         tdm_private_module *private_module;
1481
1482         OUTPUT_FUNC_ENTRY();
1483
1484         TDM_RETURN_VAL_IF_FAIL(has_capability != NULL, TDM_ERROR_INVALID_PARAMETER);
1485
1486         _pthread_mutex_lock(&private_display->lock);
1487
1488         private_module = private_output->private_module;
1489
1490         if (!(private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
1491                 *has_capability = 0;
1492         else if (!(private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT))
1493                 *has_capability = 0;
1494         else
1495                 *has_capability = 1;
1496
1497         _pthread_mutex_unlock(&private_display->lock);
1498
1499         return ret;
1500 }
1501
1502 EXTERN tdm_capture *
1503 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1504 {
1505         tdm_capture *capture = NULL;
1506
1507         OUTPUT_FUNC_ENTRY_ERROR();
1508
1509         _pthread_mutex_lock(&private_display->lock);
1510
1511         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1512
1513         _pthread_mutex_unlock(&private_display->lock);
1514
1515         return capture;
1516 }
1517
1518 EXTERN tdm_hwc_window *
1519 tdm_output_hwc_create_window(tdm_output *output, tdm_error *error)
1520 {
1521         tdm_hwc_window *hwc_window = NULL;
1522
1523         OUTPUT_FUNC_ENTRY_ERROR();
1524
1525         _pthread_mutex_lock(&private_display->lock);
1526
1527         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1528                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, 0, error);
1529         else {
1530                 /* LCOV_EXCL_START */
1531                 TDM_ERR("output(%p) not support HWC", private_output);
1532                 if (error)
1533                         *error = TDM_ERROR_BAD_REQUEST;
1534                 /* LCOV_EXCL_STOP */
1535         }
1536
1537         _pthread_mutex_unlock(&private_display->lock);
1538
1539         return hwc_window;
1540 }
1541
1542 EXTERN tdm_hwc_window *
1543 tdm_output_hwc_create_video_window(tdm_output *output, tdm_error *error)
1544 {
1545         tdm_hwc_window *hwc_window = NULL;
1546
1547         OUTPUT_FUNC_ENTRY_ERROR();
1548
1549         _pthread_mutex_lock(&private_display->lock);
1550
1551         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1552                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, 1, error);
1553         else {
1554                 /* LCOV_EXCL_START */
1555                 TDM_ERR("output(%p) not support HWC", private_output);
1556                 if (error)
1557                         *error = TDM_ERROR_BAD_REQUEST;
1558                 /* LCOV_EXCL_STOP */
1559         }
1560
1561         _pthread_mutex_unlock(&private_display->lock);
1562
1563         return hwc_window;
1564 }
1565
1566 EXTERN tdm_error
1567 tdm_output_hwc_destroy_window(tdm_output *output, tdm_hwc_window *hwc_window)
1568 {
1569         OUTPUT_FUNC_ENTRY();
1570
1571         TDM_RETURN_VAL_IF_FAIL(hwc_window != NULL, TDM_ERROR_INVALID_PARAMETER);
1572
1573         _pthread_mutex_lock(&private_display->lock);
1574
1575         ret = tdm_hwc_window_destroy_internal(hwc_window);
1576
1577         _pthread_mutex_unlock(&private_display->lock);
1578
1579         return ret;
1580 }
1581
1582 EXTERN tdm_error
1583 tdm_output_hwc_validate(tdm_output *output, tdm_hwc_window **composited_wnds,
1584                                                                         uint32_t num_wnds, uint32_t *num_types)
1585 {
1586         tdm_private_module *private_module;
1587         tdm_func_output *func_output = NULL;
1588         tdm_private_hwc_window **composited_wnds_frontend = NULL;
1589         tdm_hwc_window **composited_wnds_backend = NULL;
1590         int i;
1591
1592         OUTPUT_FUNC_ENTRY();
1593
1594         TDM_RETURN_VAL_IF_FAIL(num_types != NULL, TDM_ERROR_INVALID_PARAMETER);
1595
1596         _pthread_mutex_lock(&private_display->lock);
1597
1598         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1599                 TDM_ERR("output(%p) not support HWC", private_output);
1600                 _pthread_mutex_unlock(&private_display->lock);
1601                 return TDM_ERROR_BAD_REQUEST;
1602         }
1603
1604         private_module = private_output->private_module;
1605         func_output = &private_module->func_output;
1606
1607         if (!func_output->output_hwc_validate) {
1608                 /* LCOV_EXCL_START */
1609                 _pthread_mutex_unlock(&private_display->lock);
1610                 TDM_WRN("not implemented!!");
1611                 return TDM_ERROR_NOT_IMPLEMENTED;
1612                 /* LCOV_EXCL_STOP */
1613         }
1614
1615         if (num_wnds == 0) {
1616                 ret = func_output->output_hwc_validate(private_output->output_backend, NULL, 0, num_types);
1617
1618                 _pthread_mutex_unlock(&private_display->lock);
1619
1620                 return ret;
1621         }
1622
1623         composited_wnds_backend = calloc(num_wnds, sizeof(tdm_hwc_window *));
1624         if (!composited_wnds_backend) {
1625                 /* LCOV_EXCL_START */
1626                 _pthread_mutex_unlock(&private_display->lock);
1627                 return TDM_ERROR_OUT_OF_MEMORY;
1628                 /* LCOV_EXCL_STOP */
1629         }
1630
1631         composited_wnds_frontend = (tdm_private_hwc_window **)composited_wnds;
1632
1633         for (i = 0; i < num_wnds; i++)
1634                 composited_wnds_backend[i] = composited_wnds_frontend[i]->hwc_window_backend;
1635
1636         ret = func_output->output_hwc_validate(private_output->output_backend, composited_wnds_backend, num_wnds, num_types);
1637
1638         free(composited_wnds_backend);
1639
1640         _pthread_mutex_unlock(&private_display->lock);
1641
1642         return ret;
1643 }
1644
1645 EXTERN tdm_error
1646 tdm_output_hwc_set_need_validate_handler(tdm_output *output,
1647                 tdm_output_need_validate_handler hndl)
1648 {
1649         OUTPUT_FUNC_ENTRY();
1650
1651         TDM_RETURN_VAL_IF_FAIL(hndl != NULL, TDM_ERROR_INVALID_PARAMETER);
1652
1653         _pthread_mutex_lock(&private_display->lock);
1654
1655         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1656                 TDM_ERR("output(%p) not support HWC", private_output);
1657                 _pthread_mutex_unlock(&private_display->lock);
1658                 return TDM_ERROR_BAD_REQUEST;
1659         }
1660
1661         /* there's no reason to allow this */
1662         if (private_output->need_validate.hndl) {
1663
1664                 _pthread_mutex_unlock(&private_display->lock);
1665                 return TDM_ERROR_OPERATION_FAILED;
1666         }
1667
1668         private_output->need_validate.hndl = hndl;
1669
1670         _pthread_mutex_unlock(&private_display->lock);
1671
1672         return ret;
1673 }
1674
1675 EXTERN tdm_error
1676 tdm_output_hwc_get_changed_composition_types(tdm_output *output,
1677                                                                                  uint32_t *num_elements,
1678                                                                                  tdm_hwc_window **hwc_window,
1679                                                                                  tdm_hwc_window_composition *composition_types)
1680 {
1681         tdm_private_module *private_module;
1682         tdm_func_output *func_output = NULL;
1683         tdm_private_hwc_window * private_hwc_window = NULL;
1684         int i = 0;
1685
1686         OUTPUT_FUNC_ENTRY();
1687
1688         TDM_RETURN_VAL_IF_FAIL(num_elements != NULL, TDM_ERROR_INVALID_PARAMETER);
1689
1690         _pthread_mutex_lock(&private_display->lock);
1691
1692         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1693                 TDM_ERR("output(%p) not support HWC", private_output);
1694                 _pthread_mutex_unlock(&private_display->lock);
1695                 return TDM_ERROR_BAD_REQUEST;
1696         }
1697
1698         private_module = private_output->private_module;
1699         func_output = &private_module->func_output;
1700
1701         if (!func_output->output_hwc_get_changed_composition_types) {
1702                 /* LCOV_EXCL_START */
1703                 _pthread_mutex_unlock(&private_display->lock);
1704                 TDM_WRN("not implemented!!");
1705                 return TDM_ERROR_NOT_IMPLEMENTED;
1706                 /* LCOV_EXCL_STOP */
1707         }
1708
1709         ret = func_output->output_hwc_get_changed_composition_types(private_output->output_backend,
1710                                                         num_elements, hwc_window, composition_types);
1711         if (ret != TDM_ERROR_NONE) {
1712                 /* LCOV_EXCL_START */
1713                 _pthread_mutex_unlock(&private_display->lock);
1714                 return ret;
1715                 /* LCOV_EXCL_STOP */
1716         }
1717
1718         if (hwc_window == NULL || composition_types == NULL) {
1719                 _pthread_mutex_unlock(&private_display->lock);
1720                 return TDM_ERROR_NONE;
1721         }
1722
1723         for (i = 0; i < *num_elements; i++) {
1724
1725                 private_hwc_window = _tdm_output_find_private_hwc_window(private_output, hwc_window[i]);
1726
1727                 if (private_hwc_window == NULL) {
1728                         /* LCOV_EXCL_START */
1729                         TDM_ERR("failed! This should never happen!");
1730                         func_output->output_hwc_destroy_window(private_output->output_backend, hwc_window[i]);
1731                         *num_elements = 0;
1732                         _pthread_mutex_unlock(&private_display->lock);
1733                         return TDM_ERROR_OPERATION_FAILED;
1734                         /* LCOV_EXCL_STOP */
1735                 }
1736
1737                 hwc_window[i] = (tdm_hwc_window*)private_hwc_window;
1738         }
1739
1740         _pthread_mutex_unlock(&private_display->lock);
1741
1742         return ret;
1743 }
1744
1745 tdm_error
1746 tdm_output_hwc_accept_changes(tdm_output *output)
1747 {
1748         tdm_private_module *private_module;
1749         tdm_func_output *func_output = NULL;
1750
1751         OUTPUT_FUNC_ENTRY();
1752
1753         _pthread_mutex_lock(&private_display->lock);
1754
1755         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1756                 TDM_ERR("output(%p) not support HWC", private_output);
1757                 _pthread_mutex_unlock(&private_display->lock);
1758                 return TDM_ERROR_BAD_REQUEST;
1759         }
1760
1761         private_module = private_output->private_module;
1762         func_output = &private_module->func_output;
1763
1764         if (!func_output->output_hwc_validate) {
1765                 /* LCOV_EXCL_START */
1766                 _pthread_mutex_unlock(&private_display->lock);
1767                 TDM_WRN("not implemented!!");
1768                 return TDM_ERROR_NOT_IMPLEMENTED;
1769                 /* LCOV_EXCL_STOP */
1770         }
1771
1772         ret = func_output->output_hwc_accept_changes(private_output->output_backend);
1773
1774         _pthread_mutex_unlock(&private_display->lock);
1775
1776         return ret;
1777 }
1778
1779 tbm_surface_queue_h
1780 tdm_output_hwc_get_target_buffer_queue(tdm_output *output, tdm_error *error)
1781 {
1782         tdm_private_module *private_module;
1783         tdm_func_output *func_output = NULL;
1784         tbm_surface_queue_h queue = NULL;
1785
1786         OUTPUT_FUNC_ENTRY_ERROR();
1787
1788         _pthread_mutex_lock(&private_display->lock);
1789
1790         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1791                 TDM_ERR("output(%p) not support HWC", private_output);
1792                 if (error)
1793                         *error = TDM_ERROR_BAD_REQUEST;
1794                 _pthread_mutex_unlock(&private_display->lock);
1795                 return NULL;
1796         }
1797
1798         private_module = private_output->private_module;
1799         func_output = &private_module->func_output;
1800
1801         if (!func_output->output_hwc_get_target_buffer_queue) {
1802                 /* LCOV_EXCL_START */
1803                 _pthread_mutex_unlock(&private_display->lock);
1804                 TDM_WRN("not implemented!!");
1805                 return NULL;
1806                 /* LCOV_EXCL_STOP */
1807         }
1808
1809         queue = func_output->output_hwc_get_target_buffer_queue(private_output->output_backend, error);
1810
1811         _pthread_mutex_unlock(&private_display->lock);
1812
1813         return queue;
1814 }
1815
1816 EXTERN tdm_error
1817 tdm_output_hwc_set_client_target_buffer(tdm_output *output, tbm_surface_h target_buffer, tdm_hwc_region damage)
1818 {
1819         tdm_private_module *private_module;
1820         tdm_func_output *func_output = NULL;
1821
1822         OUTPUT_FUNC_ENTRY();
1823
1824         _pthread_mutex_lock(&private_display->lock);
1825
1826         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1827                 TDM_ERR("output(%p) not support HWC", private_output);
1828                 _pthread_mutex_unlock(&private_display->lock);
1829                 return TDM_ERROR_BAD_REQUEST;
1830         }
1831
1832         if (tdm_debug_dump & TDM_DUMP_FLAG_WINDOW) {
1833                 /* LCOV_EXCL_START */
1834                 char str[TDM_PATH_LEN];
1835                 static int i;
1836                 snprintf(str, TDM_PATH_LEN, "target_window_%d_%03d",
1837                                  private_output->index, i++);
1838                 tdm_helper_dump_buffer_str(target_buffer, tdm_debug_dump_dir, str);
1839                 /* LCOV_EXCL_STOP */
1840         }
1841
1842         private_module = private_output->private_module;
1843         func_output = &private_module->func_output;
1844
1845         if (!func_output->output_hwc_set_client_target_buffer) {
1846                 /* LCOV_EXCL_START */
1847                 _pthread_mutex_unlock(&private_display->lock);
1848                 TDM_WRN("not implemented!!");
1849                 return TDM_ERROR_NOT_IMPLEMENTED;
1850                 /* LCOV_EXCL_STOP */
1851         }
1852
1853         ret = func_output->output_hwc_set_client_target_buffer(private_output->output_backend, target_buffer, damage);
1854
1855         _pthread_mutex_unlock(&private_display->lock);
1856
1857         return ret;
1858 }
1859
1860 EXTERN tdm_error
1861 tdm_output_hwc_unset_client_target_buffer(tdm_output *output)
1862 {
1863         tdm_private_module *private_module;
1864         tdm_func_output *func_output = NULL;
1865
1866         OUTPUT_FUNC_ENTRY();
1867
1868         _pthread_mutex_lock(&private_display->lock);
1869
1870         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1871                 TDM_ERR("output(%p) not support HWC", private_output);
1872                 _pthread_mutex_unlock(&private_display->lock);
1873                 return TDM_ERROR_BAD_REQUEST;
1874         }
1875
1876         private_module = private_output->private_module;
1877         func_output = &private_module->func_output;
1878
1879         if (!func_output->output_hwc_unset_client_target_buffer) {
1880                 /* LCOV_EXCL_START */
1881                 _pthread_mutex_unlock(&private_display->lock);
1882                 TDM_ERR("not implemented!!");
1883                 return TDM_ERROR_NOT_IMPLEMENTED;
1884                 /* LCOV_EXCL_STOP */
1885         }
1886
1887         ret = func_output->output_hwc_unset_client_target_buffer(private_output->output_backend);
1888
1889         _pthread_mutex_unlock(&private_display->lock);
1890
1891         return ret;
1892 }
1893
1894 static void
1895 _tdm_output_hwc_layer_commit_handler(tdm_layer *layer, unsigned int sequence,
1896                                                                                  unsigned int tv_sec, unsigned int tv_usec,
1897                                                                                  void *user_data)
1898 {
1899         tdm_private_output_hwc_target_buffer_commit_handler *output_hwc_target_buffer_commit_handler = (tdm_private_output_hwc_target_buffer_commit_handler *)user_data;
1900         tdm_output_hwc_target_buffer_commit_handler func = output_hwc_target_buffer_commit_handler->func;
1901         tdm_output *output = (tdm_output *)output_hwc_target_buffer_commit_handler->private_output;
1902         void *data = output_hwc_target_buffer_commit_handler->user_data;
1903
1904         func(output, sequence, tv_sec, tv_usec, data);
1905
1906         free(output_hwc_target_buffer_commit_handler);
1907 }
1908
1909 tdm_error
1910 tdm_output_hwc_commit_client_target_buffer(tdm_output *output, tdm_output_hwc_target_buffer_commit_handler func, void *user_data)
1911 {
1912         tdm_private_module *private_module;
1913         tdm_func_output *func_output;
1914         tdm_private_output_hwc_target_buffer_commit_handler *output_hwc_target_buffer_commit_handler;
1915         tdm_layer *layer = NULL;
1916         tdm_private_layer *private_layer;
1917         const tdm_output_mode *mode;
1918         tbm_surface_h buffer;
1919
1920         OUTPUT_FUNC_ENTRY();
1921
1922         _pthread_mutex_lock(&private_display->lock);
1923
1924         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1925                 TDM_ERR("output(%p) not support HWC", private_output);
1926                 _pthread_mutex_unlock(&private_display->lock);
1927                 return TDM_ERROR_BAD_REQUEST;
1928         }
1929
1930         private_module = private_output->private_module;
1931         func_output = &private_module->func_output;
1932
1933         if (!func_output->output_hwc_get_client_target_buffer_layer) {
1934                 /* LCOV_EXCL_START */
1935                 _pthread_mutex_unlock(&private_display->lock);
1936                 TDM_ERR("not implemented!!");
1937                 return TDM_ERROR_NOT_IMPLEMENTED;
1938                 /* LCOV_EXCL_STOP */
1939         }
1940
1941         layer = func_output->output_hwc_get_client_target_buffer_layer(private_output->output_backend,
1942                                                                                                                    &ret);
1943         if (!layer) {
1944                 /* LCOV_EXCL_START */
1945                 _pthread_mutex_unlock(&private_display->lock);
1946                 TDM_ERR("no assigned layer!!");
1947                 return TDM_ERROR_INVALID_PARAMETER;
1948                 /* LCOV_EXCL_STOP */
1949         }
1950
1951         private_layer = (tdm_private_layer*)layer;
1952
1953         if (!func_output->output_hwc_get_client_target_buffer) {
1954                 /* LCOV_EXCL_START */
1955                 _pthread_mutex_unlock(&private_display->lock);
1956                 TDM_ERR("not implemented!!");
1957                 return TDM_ERROR_NOT_IMPLEMENTED;
1958                 /* LCOV_EXCL_STOP */
1959         }
1960
1961         buffer = func_output->output_hwc_get_client_target_buffer(private_output->output_backend,
1962                                                                                                            &ret);
1963         if (buffer)
1964                 ret = tdm_layer_set_buffer_internal(private_layer, buffer);
1965         else
1966                 ret = tdm_layer_unset_buffer_internal(private_layer);
1967         if (ret != TDM_ERROR_NONE) {
1968                 /* LCOV_EXCL_START */
1969                 TDM_ERR("failed: layer set info(window)");
1970                 _pthread_mutex_unlock(&private_display->lock);
1971                 /* LCOV_EXCL_STOP */
1972                 return ret;
1973         }
1974
1975         if (private_output->need_set_target_info) {
1976                 mode = private_output->current_mode;
1977                 private_output->target_buffer_info.src_config.size.h = mode->hdisplay;
1978                 private_output->target_buffer_info.src_config.size.v = mode->vdisplay;
1979                 private_output->target_buffer_info.src_config.pos.x = 0;
1980                 private_output->target_buffer_info.src_config.pos.y = 0;
1981                 private_output->target_buffer_info.src_config.pos.w = mode->hdisplay;
1982                 private_output->target_buffer_info.src_config.pos.h = mode->vdisplay;
1983                 private_output->target_buffer_info.dst_pos.x = 0;
1984                 private_output->target_buffer_info.dst_pos.y = 0;
1985                 private_output->target_buffer_info.dst_pos.w = mode->hdisplay;
1986                 private_output->target_buffer_info.dst_pos.h = mode->vdisplay;
1987                 private_output->target_buffer_info.transform = TDM_TRANSFORM_NORMAL;
1988
1989                 ret = tdm_layer_set_info_internal(private_layer, &private_output->target_buffer_info);
1990                 if (ret != TDM_ERROR_NONE) {
1991                         /* LCOV_EXCL_START */
1992                         TDM_ERR("failed: layer set info(window)");
1993                         _pthread_mutex_unlock(&private_display->lock);
1994                         /* LCOV_EXCL_STOP */
1995                         return ret;
1996                 }
1997
1998                 private_output->need_set_target_info = 0;
1999         }
2000
2001         output_hwc_target_buffer_commit_handler = calloc(1, sizeof(tdm_private_output_hwc_target_buffer_commit_handler));
2002         if (!output_hwc_target_buffer_commit_handler) {
2003                 /* LCOV_EXCL_START */
2004                 TDM_ERR("failed: alloc memory");
2005                 _pthread_mutex_unlock(&private_display->lock);
2006                 return TDM_ERROR_OUT_OF_MEMORY;
2007                 /* LCOV_EXCL_STOP */
2008         }
2009
2010         output_hwc_target_buffer_commit_handler->private_output = private_output;
2011         output_hwc_target_buffer_commit_handler->func = func;
2012         output_hwc_target_buffer_commit_handler->user_data = user_data;
2013
2014         ret = tdm_layer_commit_internal(private_layer, _tdm_output_hwc_layer_commit_handler, output_hwc_target_buffer_commit_handler);
2015         if (ret != TDM_ERROR_NONE) {
2016                 /* LCOV_EXCL_START */
2017                 TDM_ERR("failed: commit layer(target buffer)");
2018                 free(output_hwc_target_buffer_commit_handler);
2019                 _pthread_mutex_unlock(&private_display->lock);
2020                 /* LCOV_EXCL_STOP */
2021                 return ret;
2022         }
2023
2024         _pthread_mutex_unlock(&private_display->lock);
2025
2026         return ret;
2027 }
2028
2029 tdm_error
2030 tdm_output_hwc_get_video_supported_formats(tdm_output *output, const tbm_format **formats,
2031                                                                 int *count)
2032 {
2033         tdm_private_module *private_module;
2034         tdm_func_output *func_output;
2035         OUTPUT_FUNC_ENTRY();
2036
2037         TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
2038         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
2039
2040         _pthread_mutex_lock(&private_display->lock);
2041
2042         private_module = private_output->private_module;
2043         func_output = &private_module->func_output;
2044
2045         if (!func_output->output_hwc_get_video_supported_formats) {
2046                 /* LCOV_EXCL_START */
2047                 _pthread_mutex_unlock(&private_display->lock);
2048                 TDM_WRN("not implemented!!");
2049                 return TDM_ERROR_NOT_IMPLEMENTED;
2050                 /* LCOV_EXCL_STOP */
2051         }
2052
2053         ret = func_output->output_hwc_get_video_supported_formats(
2054                                                                 private_output->output_backend, formats, count);
2055
2056         _pthread_mutex_unlock(&private_display->lock);
2057
2058         return ret;
2059 }
2060
2061 static int
2062 _is_hwc_output_still_existed(tdm_private_output *private_output)
2063 {
2064         tdm_private_module *private_module = private_output->private_module;
2065         tdm_private_output *o = NULL;
2066
2067         LIST_FOR_EACH_ENTRY(o, &private_module->output_list, link) {
2068                 if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
2069                         continue;
2070
2071                 if (o == private_output)
2072                         goto exist;
2073         }
2074
2075         return 0;
2076
2077 exist:
2078         return 1;
2079 }
2080
2081 /* gets called on behalf of the ecore-main-loop thread */
2082 INTERN void
2083 tdm_output_need_validate_handler_thread(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
2084 {
2085         tdm_private_output *private_output = object;
2086
2087         TDM_RETURN_IF_FAIL(private_output != NULL);
2088
2089         _pthread_mutex_lock(&private_display->lock);
2090
2091         /* as we get 'private_output' within an event, an output this 'private_output'
2092          * points to can be destroyed already */
2093         if (!_is_hwc_output_still_existed(private_output)) {
2094                 _pthread_mutex_unlock(&private_display->lock);
2095                 return;
2096         }
2097
2098         _pthread_mutex_unlock(&private_display->lock);
2099
2100         TDM_INFO("tdm-backend asks for revalidation for the output:%p.", private_output);
2101
2102         if (private_output->need_validate.hndl)
2103                 private_output->need_validate.hndl((tdm_output*)private_output);
2104 }
2105
2106 /* gets called on behalf of the tdm-thread */
2107 static tdm_error
2108 _need_validate_handler(int fd, tdm_event_loop_mask mask, void *user_data)
2109 {
2110         tdm_thread_cb_need_validate ev;
2111         tdm_private_output *private_output;
2112         tdm_error ret;
2113         uint64_t value;
2114
2115         private_output = (tdm_private_output *)user_data;
2116
2117         if (read(private_output->need_validate.event_fd, &value, sizeof(value)) < 0) {
2118                 TDM_ERR("error while trying to read from a need_validate.event_fd fd.");
2119                 return TDM_ERROR_OPERATION_FAILED;
2120         }
2121
2122         memset(&ev, 0, sizeof ev);
2123         ev.base.type = TDM_THREAD_CB_NEED_VALIDATE;
2124         ev.base.length = sizeof ev;
2125         ev.base.object_stamp = private_output->stamp;
2126         ev.base.data = NULL;
2127         ev.base.sync = 0;
2128
2129         ret = tdm_thread_cb_call(private_output, &ev.base);
2130         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
2131
2132         TDM_INFO("tdm-thread: get a 'need to revalidate' event for the ouptut:%p.", private_output);
2133
2134         /* who cares about this? */
2135         return TDM_ERROR_NONE;
2136 }
2137
2138 INTERN tdm_error
2139 tdm_output_need_validate_event_init(tdm_output *output)
2140 {
2141         int fd;
2142
2143         OUTPUT_FUNC_ENTRY();
2144
2145         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), TDM_ERROR_OPERATION_FAILED);
2146
2147         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
2148                 TDM_ERR("output(%p) not support HWC", private_output);
2149                 return TDM_ERROR_BAD_REQUEST;
2150         }
2151
2152         /* build in eventfd fds into event_loop listened & handled by the tdm-thread */
2153         fd = eventfd(0, 0);
2154         TDM_WARNING_IF_FAIL(fd >= 0);
2155
2156         private_output->need_validate.event_source = tdm_event_loop_add_fd_handler(private_display,
2157                         fd,     TDM_EVENT_LOOP_READABLE, _need_validate_handler, private_output, &ret);
2158         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
2159
2160         private_output->need_validate.event_fd = fd;
2161
2162         TDM_INFO("register an output:%p for the revalidation, event_fd:%d.", private_output, fd);
2163
2164         return ret;
2165 }
2166
2167 INTERN tdm_error
2168 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
2169 {
2170         if (!private_output)
2171                 return TDM_ERROR_INVALID_PARAMETER;
2172
2173         if (mode < 0 || mode > 2)
2174                 return TDM_ERROR_INVALID_PARAMETER;
2175
2176         private_output->commit_per_vblank = mode;
2177
2178         if (private_output->commit_per_vblank == 0)
2179                 TDM_INFO("commit per vblank: disable");
2180         else if (private_output->commit_per_vblank == 1)
2181                 TDM_INFO("commit per vblank: enable (1 layer)");
2182         else if (private_output->commit_per_vblank == 2)
2183                 TDM_INFO("commit per vblank: enable (previous commit)");
2184
2185         return TDM_ERROR_NONE;
2186 }