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_STATUS, tdm_display_find_output_stamp);
 150         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_DPMS, tdm_display_find_output_stamp);
 151
 152
 153         return TDM_ERROR_NONE;
 154 }
 155
 156 EXTERN tdm_module *
 157 tdm_output_get_backend_module(tdm_output *output, tdm_error *error)
 158 {
 159         tdm_private_module *private_module;
 160
 161         OUTPUT_FUNC_ENTRY_ERROR();
 162
 163         _pthread_mutex_lock(&private_display->lock);
 164
 165         private_module = private_output->private_module;
 166
 167         if (error)
 168                 *error = TDM_ERROR_NONE;
 169
 170         _pthread_mutex_unlock(&private_display->lock);
 171
 172         return private_module;
 173 }
 174
 175 EXTERN tdm_error
 176 tdm_output_get_model_info(tdm_output *output, const char **maker,
 177                                                   const char **model, const char **name)
 178 {
 179         OUTPUT_FUNC_ENTRY();
 180
 181         _pthread_mutex_lock(&private_display->lock);
 182
 183         if (maker)
 184                 *maker = private_output->caps.maker;
 185         if (model)
 186                 *model = private_output->caps.model;
 187         if (name)
 188                 *name = private_output->caps.name;
 189
 190         _pthread_mutex_unlock(&private_display->lock);
 191
 192         return ret;
 193 }
 194
 195 EXTERN tdm_error
 196 tdm_output_get_capabilities(tdm_output *output, tdm_output_capability *capabilities)
 197 {
 198         OUTPUT_FUNC_ENTRY();
 199
 200         TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 201
 202         _pthread_mutex_lock(&private_display->lock);
 203
 204         *capabilities = private_output->caps.capabilities;
 205
 206         _pthread_mutex_unlock(&private_display->lock);
 207
 208         return ret;
 209 }
 210
 211 EXTERN tdm_error
 212 tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status)
 213 {
 214         OUTPUT_FUNC_ENTRY();
 215
 216         TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 217
 218         _pthread_mutex_lock(&private_display->lock);
 219
 220         *status = private_output->caps.status;
 221
 222         _pthread_mutex_unlock(&private_display->lock);
 223
 224         return ret;
 225 }
 226
 227 INTERN void
 228 tdm_output_thread_cb_change(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 229 {
 230         tdm_private_output *private_output = object;
 231         tdm_private_output_change_handler *change_handler = user_data;
 232         tdm_output_change_type type = TDM_OUTPUT_CHANGE_CONNECTION;
 233         tdm_value value = {.u32 = 0 };
 234
 235         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 236
 237         assert(change_handler->owner_tid == syscall(SYS_gettid));
 238
 239         if (cb_base->type == TDM_THREAD_CB_OUTPUT_STATUS) {
 240                 tdm_thread_cb_output_status *output_status = (tdm_thread_cb_output_status *)cb_base;
 241                 type = TDM_OUTPUT_CHANGE_CONNECTION;
 242                 value.u32 = output_status->status;
 243         } else if (cb_base->type == TDM_THREAD_CB_OUTPUT_DPMS) {
 244                 tdm_thread_cb_output_dpms *output_dpms = (tdm_thread_cb_output_dpms *)cb_base;
 245                 type = TDM_OUTPUT_CHANGE_DPMS;
 246                 value.u32 = output_dpms->dpms;
 247         } else {
 248                 TDM_NEVER_GET_HERE();
 249                 return;
 250         }
 251
 252         _pthread_mutex_unlock(&private_display->lock);
 253         change_handler->func(private_output, type, value, change_handler->user_data);
 254         _pthread_mutex_lock(&private_display->lock);
 255
 256 }
 257
 258 static tdm_error
 259 _tdm_output_call_thread_cb_status(tdm_private_output *private_output, tdm_output_conn_status status)
 260 {
 261         tdm_thread_cb_output_status output_status;
 262         tdm_error ret;
 263
 264         memset(&output_status, 0, sizeof output_status);
 265         output_status.base.type = TDM_THREAD_CB_OUTPUT_STATUS;
 266         output_status.base.length = sizeof output_status;
 267         output_status.base.object_stamp = private_output->stamp;
 268         output_status.base.data = NULL;
 269         output_status.base.sync = 1;
 270         output_status.status = status;
 271
 272         ret = tdm_thread_cb_call(private_output, &output_status.base);
 273         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 274
 275         return TDM_ERROR_NONE;
 276 }
 277
 278 static tdm_error
 279 _tdm_output_call_thread_cb_dpms(tdm_private_output *private_output, tdm_output_dpms dpms)
 280 {
 281         tdm_thread_cb_output_dpms output_dpms;
 282         tdm_error ret;
 283
 284         memset(&output_dpms, 0, sizeof output_dpms);
 285         output_dpms.base.type = TDM_THREAD_CB_OUTPUT_DPMS;
 286         output_dpms.base.length = sizeof output_dpms;
 287         output_dpms.base.object_stamp = private_output->stamp;
 288         output_dpms.base.data = NULL;
 289         output_dpms.base.sync = 0;
 290         output_dpms.dpms = dpms;
 291
 292         ret = tdm_thread_cb_call(private_output, &output_dpms.base);
 293         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 294
 295         return TDM_ERROR_NONE;
 296 }
 297
 298 INTERN void
 299 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status, void *user_data)
 300 {
 301         tdm_private_output *private_output = user_data;
 302         tdm_error ret;
 303
 304         TDM_RETURN_IF_FAIL(private_output);
 305
 306         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(status));
 307
 308         if ((private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED && status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) ||
 309                 (private_output->caps.status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED && status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)) {
 310                 ret = tdm_display_update_output(private_output->private_module, output_backend, private_output->pipe, 1);
 311                 TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 312         } else {
 313                 private_output->caps.status = status;
 314         }
 315
 316         ret = _tdm_output_call_thread_cb_status(private_output, status);
 317         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 318 }
 319
 320 INTERN void
 321 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms, void *user_data)
 322 {
 323         tdm_private_output *private_output = user_data;
 324         tdm_error ret;
 325
 326         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(dpms));
 327
 328         private_output->current_dpms_value = dpms;
 329         private_output->waiting_dpms_change = 0;
 330         TDM_INFO("output(%d) dpms async '%s' done", private_output->pipe, tdm_dpms_str(dpms));
 331
 332         ret = _tdm_output_call_thread_cb_dpms(private_output, dpms);
 333         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 334 }
 335
 336 EXTERN tdm_error
 337 tdm_output_add_change_handler(tdm_output *output,
 338                                                           tdm_output_change_handler func,
 339                                                           void *user_data)
 340 {
 341         tdm_private_output_change_handler *change_handler = NULL;
 342         OUTPUT_FUNC_ENTRY();
 343
 344         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 345
 346         _pthread_mutex_lock(&private_display->lock);
 347
 348         LIST_FOR_EACH_ENTRY(change_handler, &private_output->change_handler_list, link) {
 349                 if (change_handler->func == func && change_handler->user_data == user_data) {
 350                         TDM_ERR("can't add twice");
 351                         _pthread_mutex_unlock(&private_display->lock);
 352                         return TDM_ERROR_BAD_REQUEST;
 353                 }
 354         }
 355
 356         change_handler = calloc(1, sizeof(tdm_private_output_change_handler));
 357         if (!change_handler) {
 358                 /* LCOV_EXCL_START */
 359                 TDM_ERR("failed: alloc memory");
 360                 _pthread_mutex_unlock(&private_display->lock);
 361                 return TDM_ERROR_OUT_OF_MEMORY;
 362                 /* LCOV_EXCL_STOP */
 363         }
 364
 365         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 366         if (ret != TDM_ERROR_NONE) {
 367                 /* LCOV_EXCL_START */
 368                 TDM_ERR("tdm_thread_cb_add failed");
 369                 free(change_handler);
 370                 _pthread_mutex_unlock(&private_display->lock);
 371                 return TDM_ERROR_OPERATION_FAILED;
 372                 /* LCOV_EXCL_STOP */
 373         }
 374
 375         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, change_handler);
 376         if (ret != TDM_ERROR_NONE) {
 377                 /* LCOV_EXCL_START */
 378                 TDM_ERR("tdm_thread_cb_add failed");
 379                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 380                 free(change_handler);
 381                 _pthread_mutex_unlock(&private_display->lock);
 382                 return TDM_ERROR_OPERATION_FAILED;
 383                 /* LCOV_EXCL_STOP */
 384         }
 385
 386         change_handler->private_output = private_output;
 387         change_handler->func = func;
 388         change_handler->user_data = user_data;
 389         change_handler->owner_tid = syscall(SYS_gettid);
 390
 391         LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list);
 392
 393         _pthread_mutex_unlock(&private_display->lock);
 394
 395         return ret;
 396 }
 397
 398 EXTERN void
 399 tdm_output_remove_change_handler(tdm_output *output,
 400                                                                  tdm_output_change_handler func,
 401                                                                  void *user_data)
 402 {
 403         tdm_private_display *private_display;
 404         tdm_private_output *private_output;
 405         tdm_private_output_change_handler *change_handler = NULL, *hh = NULL;
 406
 407         TDM_RETURN_IF_FAIL(tdm_output_is_valid(output));
 408         TDM_RETURN_IF_FAIL(func != NULL);
 409
 410         private_output = (tdm_private_output*)output;
 411         private_display = private_output->private_display;
 412
 413         _pthread_mutex_lock(&private_display->lock);
 414
 415         LIST_FOR_EACH_ENTRY_SAFE(change_handler, hh, &private_output->change_handler_list, link) {
 416                 if (change_handler->func != func || change_handler->user_data != user_data)
 417                         continue;
 418
 419                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 420                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, change_handler);
 421
 422                 LIST_DEL(&change_handler->link);
 423                 free(change_handler);
 424
 425                 _pthread_mutex_unlock(&private_display->lock);
 426
 427                 return;
 428         }
 429
 430         _pthread_mutex_unlock(&private_display->lock);
 431 }
 432
 433 EXTERN tdm_error
 434 tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
 435 {
 436         OUTPUT_FUNC_ENTRY();
 437
 438         TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
 439
 440         _pthread_mutex_lock(&private_display->lock);
 441
 442         *type = private_output->caps.type;
 443
 444         _pthread_mutex_unlock(&private_display->lock);
 445
 446         return ret;
 447 }
 448
 449 EXTERN tdm_error
 450 tdm_output_get_layer_count(tdm_output *output, int *count)
 451 {
 452         tdm_private_layer *private_layer = NULL;
 453
 454         OUTPUT_FUNC_ENTRY();
 455
 456         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 457
 458         _pthread_mutex_lock(&private_display->lock);
 459
 460         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 461                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 462                 *count = 0;
 463                 _pthread_mutex_unlock(&private_display->lock);
 464                 return TDM_ERROR_BAD_REQUEST;
 465         }
 466
 467         *count = 0;
 468         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
 469         (*count)++;
 470         if (*count == 0) {
 471                 _pthread_mutex_unlock(&private_display->lock);
 472                 return TDM_ERROR_NONE;
 473         }
 474
 475         _pthread_mutex_unlock(&private_display->lock);
 476
 477         return ret;
 478 }
 479
 480
 481 EXTERN tdm_layer *
 482 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 483 {
 484         tdm_private_layer *private_layer = NULL;
 485
 486         OUTPUT_FUNC_ENTRY_ERROR();
 487
 488         _pthread_mutex_lock(&private_display->lock);
 489
 490         if (error)
 491                 *error = TDM_ERROR_NONE;
 492
 493         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 494                 _pthread_mutex_unlock(&private_display->lock);
 495                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 496                 if (error)
 497                         *error = TDM_ERROR_BAD_REQUEST;
 498                 return NULL;
 499         }
 500
 501         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 502                 if (private_layer->index == index) {
 503                         _pthread_mutex_unlock(&private_display->lock);
 504                         return private_layer;
 505                 }
 506         }
 507
 508         _pthread_mutex_unlock(&private_display->lock);
 509
 510         return NULL;
 511 }
 512
 513 EXTERN tdm_error
 514 tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
 515                                                                         int *count)
 516 {
 517         OUTPUT_FUNC_ENTRY();
 518
 519         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 520         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 521
 522         _pthread_mutex_lock(&private_display->lock);
 523
 524         *props = (const tdm_prop *)private_output->caps.props;
 525         *count = private_output->caps.prop_count;
 526
 527         _pthread_mutex_unlock(&private_display->lock);
 528
 529         return ret;
 530 }
 531
 532 EXTERN tdm_error
 533 tdm_output_get_available_modes(tdm_output *output,
 534                                                            const tdm_output_mode **modes, int *count)
 535 {
 536         OUTPUT_FUNC_ENTRY();
 537
 538         TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
 539         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 540
 541         _pthread_mutex_lock(&private_display->lock);
 542
 543         *modes = (const tdm_output_mode *)private_output->caps.modes;
 544         *count = private_output->caps.mode_count;
 545
 546         _pthread_mutex_unlock(&private_display->lock);
 547
 548         return ret;
 549 }
 550
 551 EXTERN tdm_error
 552 tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
 553                                                           int *max_w, int *max_h, int *preferred_align)
 554 {
 555         OUTPUT_FUNC_ENTRY();
 556
 557         _pthread_mutex_lock(&private_display->lock);
 558
 559         if (min_w)
 560                 *min_w = TDM_FRONT_VALUE(private_output->caps.min_w);
 561         if (min_h)
 562                 *min_h = TDM_FRONT_VALUE(private_output->caps.min_h);
 563         if (max_w)
 564                 *max_w = TDM_FRONT_VALUE(private_output->caps.max_w);
 565         if (max_h)
 566                 *max_h = TDM_FRONT_VALUE(private_output->caps.max_h);
 567         if (preferred_align)
 568                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.preferred_align);
 569
 570         _pthread_mutex_unlock(&private_display->lock);
 571
 572         return ret;
 573 }
 574
 575 EXTERN tdm_error
 576 tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
 577                                                                          int *max_w, int *max_h, int *preferred_align)
 578 {
 579         OUTPUT_FUNC_ENTRY();
 580
 581         _pthread_mutex_lock(&private_display->lock);
 582
 583         if (!tdm_module_check_abi(private_output->private_module, 1, 5)) {
 584                 _pthread_mutex_unlock(&private_display->lock);
 585                 return TDM_ERROR_BAD_REQUEST;
 586         }
 587
 588         if (min_w)
 589                 *min_w = TDM_FRONT_VALUE(private_output->caps.cursor_min_w);
 590         if (min_h)
 591                 *min_h = TDM_FRONT_VALUE(private_output->caps.cursor_min_h);
 592         if (max_w)
 593                 *max_w = TDM_FRONT_VALUE(private_output->caps.cursor_max_w);
 594         if (max_h)
 595                 *max_h = TDM_FRONT_VALUE(private_output->caps.cursor_max_h);
 596         if (preferred_align)
 597                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.cursor_preferred_align);
 598
 599         _pthread_mutex_unlock(&private_display->lock);
 600
 601         return ret;
 602 }
 603
 604 EXTERN tdm_error
 605 tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
 606                                                          unsigned int *mmHeight)
 607 {
 608         OUTPUT_FUNC_ENTRY();
 609
 610         _pthread_mutex_lock(&private_display->lock);
 611
 612         if (mmWidth)
 613                 *mmWidth = private_output->caps.mmWidth;
 614         if (mmHeight)
 615                 *mmHeight = private_output->caps.mmHeight;
 616
 617         _pthread_mutex_unlock(&private_display->lock);
 618
 619         return ret;
 620 }
 621
 622 EXTERN tdm_error
 623 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
 624 {
 625         OUTPUT_FUNC_ENTRY();
 626         TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
 627
 628         _pthread_mutex_lock(&private_display->lock);
 629
 630         *subpixel = private_output->caps.subpixel;
 631
 632         _pthread_mutex_unlock(&private_display->lock);
 633
 634         return ret;
 635 }
 636
 637 EXTERN tdm_error
 638 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
 639 {
 640         OUTPUT_FUNC_ENTRY();
 641         TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
 642
 643         _pthread_mutex_lock(&private_display->lock);
 644
 645         *pipe = private_output->pipe;
 646
 647         _pthread_mutex_unlock(&private_display->lock);
 648
 649         return ret;
 650 }
 651
 652 EXTERN tdm_error
 653 tdm_output_get_primary_index(tdm_output *output, int *index)
 654 {
 655         tdm_private_layer *private_layer = NULL;
 656
 657         OUTPUT_FUNC_ENTRY();
 658         TDM_RETURN_VAL_IF_FAIL(index != NULL, TDM_ERROR_INVALID_PARAMETER);
 659
 660         _pthread_mutex_lock(&private_display->lock);
 661
 662         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 663                 if (private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_PRIMARY) {
 664                         *index = private_layer->index;
 665                         break;
 666                 }
 667         }
 668
 669         _pthread_mutex_unlock(&private_display->lock);
 670
 671         return ret;
 672 }
 673
 674 EXTERN tdm_error
 675 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
 676 {
 677         tdm_private_module *private_module;
 678         tdm_func_output *func_output;
 679         OUTPUT_FUNC_ENTRY();
 680
 681         _pthread_mutex_lock(&private_display->lock);
 682
 683         private_module = private_output->private_module;
 684         func_output = &private_module->func_output;
 685
 686         if (!func_output->output_set_property) {
 687                 /* LCOV_EXCL_START */
 688                 _pthread_mutex_unlock(&private_display->lock);
 689                 TDM_WRN("not implemented!!");
 690                 return TDM_ERROR_NOT_IMPLEMENTED;
 691                 /* LCOV_EXCL_STOP */
 692         }
 693
 694         ret = func_output->output_set_property(private_output->output_backend, id,
 695                                                                                    value);
 696
 697         _pthread_mutex_unlock(&private_display->lock);
 698
 699         return ret;
 700 }
 701
 702 EXTERN tdm_error
 703 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 704 {
 705         tdm_private_module *private_module;
 706         tdm_func_output *func_output;
 707         OUTPUT_FUNC_ENTRY();
 708
 709         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 710
 711         _pthread_mutex_lock(&private_display->lock);
 712
 713         private_module = private_output->private_module;
 714         func_output = &private_module->func_output;
 715
 716         if (!func_output->output_get_property) {
 717                 /* LCOV_EXCL_START */
 718                 _pthread_mutex_unlock(&private_display->lock);
 719                 TDM_WRN("not implemented!!");
 720                 return TDM_ERROR_NOT_IMPLEMENTED;
 721                 /* LCOV_EXCL_STOP */
 722         }
 723
 724         ret = func_output->output_get_property(private_output->output_backend, id,
 725                                                                                    value);
 726
 727         _pthread_mutex_unlock(&private_display->lock);
 728
 729         return ret;
 730 }
 731
 732 static void
 733 _tdm_output_thread_cb_vblank(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 734 {
 735         tdm_thread_cb_output_vblank *output_vblank = (tdm_thread_cb_output_vblank *)cb_base;
 736         tdm_private_output_vblank_handler *vblank_handler = output_vblank->base.data;
 737         tdm_private_output_vblank_handler *v = NULL, *vv = NULL;
 738         tdm_private_output *private_output = object;
 739         struct list_head clone_list;
 740         int interval, sync;
 741         pid_t tid = syscall(SYS_gettid);
 742
 743         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 744
 745         assert(vblank_handler->owner_tid == tid);
 746
 747         vblank_handler->sent_to_frontend = 0;
 748
 749         _tdm_output_vblank_timeout_update(private_output, 0);
 750
 751         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 752
 753         interval = vblank_handler->interval;
 754         sync = vblank_handler->sync;
 755
 756         LIST_INITHEAD(&clone_list);
 757
 758         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 759                 if (v->interval != interval || v->sync != sync || v->owner_tid != tid)
 760                         continue;
 761
 762                 LIST_DEL(&v->link);
 763                 LIST_ADDTAIL(&v->link, &clone_list);
 764         }
 765
 766         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 767                 TDM_INFO("----------------------------------------- output(%d) got vblank", private_output->pipe);
 768
 769         _pthread_mutex_unlock(&private_display->lock);
 770         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &clone_list, link) {
 771                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 772                         TDM_INFO("handler(%p)", v);
 773
 774                 LIST_DEL(&v->link);
 775
 776                 if (v->func)
 777                         v->func(v->private_output,
 778                                         output_vblank->sequence,
 779                                         output_vblank->tv_sec,
 780                                         output_vblank->tv_usec,
 781                                         v->user_data);
 782
 783                 free(v);
 784         }
 785         _pthread_mutex_lock(&private_display->lock);
 786
 787         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 788                 TDM_INFO("-----------------------------------------...");
 789 }
 790
 791 static void
 792 _tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 793                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 794 {
 795         tdm_private_output_vblank_handler *vblank_handler = user_data;
 796         tdm_thread_cb_output_vblank output_vblank;
 797         tdm_error ret;
 798
 799         memset(&output_vblank, 0, sizeof output_vblank);
 800         output_vblank.base.type = TDM_THREAD_CB_OUTPUT_VBLANK;
 801         output_vblank.base.length = sizeof output_vblank;
 802         output_vblank.base.object_stamp = vblank_handler->private_output->stamp;
 803         output_vblank.base.data = vblank_handler;
 804         output_vblank.base.sync = 0;
 805         output_vblank.sequence = sequence;
 806         output_vblank.tv_sec = tv_sec;
 807         output_vblank.tv_usec = tv_usec;
 808
 809         vblank_handler->sent_to_frontend = 1;
 810
 811         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 812                 TDM_INFO("output(%d) wait_vblank: handler(%p)", vblank_handler->private_output->pipe, vblank_handler);
 813
 814         ret = tdm_thread_cb_call(vblank_handler->private_output, &output_vblank.base);
 815         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 816 }
 817
 818 static void
 819 _tdm_output_thread_cb_commit(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 820 {
 821         tdm_thread_cb_output_commit *output_commit = (tdm_thread_cb_output_commit *)cb_base;
 822         tdm_private_output_commit_handler *output_commit_handler = output_commit->base.data;
 823         tdm_private_output *private_output = object;
 824         tdm_private_layer *private_layer = NULL;
 825
 826         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 827
 828         if (!output_commit_handler)
 829                 return;
 830
 831         assert(output_commit_handler->owner_tid == syscall(SYS_gettid));
 832
 833         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
 834
 835         LIST_DEL(&output_commit_handler->link);
 836
 837         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
 838                 TDM_INFO("----------------------------------------- output(%d) committed", private_output->pipe);
 839                 TDM_INFO("handler(%p)", output_commit_handler);
 840         }
 841
 842         if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
 843                 /* In case of layer commit, the below will be handled in the layer commit callback */
 844                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 845                         if (private_layer->committed_buffer)
 846                                 tdm_layer_committed(private_layer, &private_layer->committed_buffer);
 847                 }
 848         }
 849
 850         if (output_commit_handler->func) {
 851                 _pthread_mutex_unlock(&private_display->lock);
 852                 output_commit_handler->func(private_output,
 853                                                                         output_commit->sequence,
 854                                                                         output_commit->tv_sec,
 855                                                                         output_commit->tv_usec,
 856                                                                         output_commit_handler->user_data);
 857                 _pthread_mutex_lock(&private_display->lock);
 858         }
 859
 860         free(output_commit_handler);
 861
 862         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 863                 TDM_INFO("-----------------------------------------...");
 864 }
 865
 866 static void
 867 _tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 868                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 869 {
 870         tdm_private_output_commit_handler *output_commit_handler = user_data;
 871         tdm_private_output *private_output;
 872         tdm_thread_cb_output_commit output_commit;
 873         tdm_error ret;
 874
 875         if (output_commit_handler)
 876                 private_output = output_commit_handler->private_output;
 877         else
 878                 private_output = tdm_display_find_private_output(tdm_display_get(), output_backend);
 879
 880         memset(&output_commit, 0, sizeof output_commit);
 881         output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
 882         output_commit.base.length = sizeof output_commit;
 883         output_commit.base.object_stamp = private_output->stamp;
 884         output_commit.base.data = output_commit_handler;
 885         output_commit.base.sync = 0;
 886         output_commit.sequence = sequence;
 887         output_commit.tv_sec = tv_sec;
 888         output_commit.tv_usec = tv_usec;
 889
 890         ret = tdm_thread_cb_call(private_output, &output_commit.base);
 891         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 892 }
 893
 894 /* add_front: To distinguish between the user vblank handlers and the layer
 895  *            commit vblank handlers. The layer commit handlers will be called
 896  *            before calling the user vblank handlers.
 897  */
 898 static tdm_error
 899 _tdm_output_wait_vblank(tdm_private_output *private_output, int interval, int sync,
 900                                                 tdm_output_vblank_handler func, void *user_data,
 901                                                 unsigned int add_front)
 902 {
 903         tdm_private_module *private_module;
 904         tdm_func_output *func_output;
 905         tdm_private_output_vblank_handler *vblank_handler = NULL, *v = NULL;
 906         unsigned int skip_request = 0;
 907         pid_t tid = syscall(SYS_gettid);
 908         tdm_error ret = TDM_ERROR_NONE;
 909
 910         private_module = private_output->private_module;
 911         func_output = &private_module->func_output;
 912
 913         /* interval SHOULD be at least 1 */
 914         if (interval <= 0)
 915                 interval = 1;
 916
 917         if (!func_output->output_wait_vblank) {
 918                 /* LCOV_EXCL_START */
 919                 TDM_WRN("not implemented!!");
 920                 return TDM_ERROR_NOT_IMPLEMENTED;
 921                 /* LCOV_EXCL_STOP */
 922         }
 923
 924         if (!private_output->regist_vblank_cb) {
 925                 private_output->regist_vblank_cb = 1;
 926                 ret = func_output->output_set_vblank_handler(private_output->output_backend,
 927                                 _tdm_output_cb_vblank);
 928         }
 929
 930         vblank_handler = calloc(1, sizeof(tdm_private_output_vblank_handler));
 931         if (!vblank_handler) {
 932                 /* LCOV_EXCL_START */
 933                 TDM_ERR("failed: alloc memory");
 934                 return TDM_ERROR_OUT_OF_MEMORY;
 935                 /* LCOV_EXCL_STOP */
 936         }
 937
 938         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 939                 TDM_INFO("output(%d) wait_vblank: handler(%p)", private_output->pipe, vblank_handler);
 940
 941         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 942                 if (v->interval == interval && v->sync == sync && v->owner_tid == tid) {
 943                         skip_request = 1;
 944                         break;
 945                 }
 946         }
 947
 948         if (add_front)
 949                 LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
 950         else
 951                 LIST_ADDTAIL(&vblank_handler->link, &private_output->vblank_handler_list);
 952
 953         vblank_handler->private_output = private_output;
 954         vblank_handler->interval = interval;
 955         vblank_handler->sync = sync;
 956         vblank_handler->func = func;
 957         vblank_handler->user_data = user_data;
 958         vblank_handler->owner_tid = tid;
 959
 960         /* If there is the previous request, we can skip to call output_wait_vblank() */
 961         if (!skip_request) {
 962                 ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 963                 if (ret != TDM_ERROR_NONE) {
 964                         TDM_ERR("tdm_thread_cb_add failed");
 965                         goto wait_failed;
 966                 }
 967
 968                 ret = func_output->output_wait_vblank(private_output->output_backend, interval,
 969                                                                                           sync, vblank_handler);
 970                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 971
 972                 _tdm_output_vblank_timeout_update(private_output, 1000);
 973
 974                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 975                         TDM_INFO("output(%d) backend wait_vblank", private_output->pipe);
 976         }
 977
 978         return ret;
 979
 980 wait_failed:
 981         /* LCOV_EXCL_START */
 982         if (vblank_handler) {
 983                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 984                 LIST_DEL(&vblank_handler->link);
 985                 free(vblank_handler);
 986         }
 987         return ret;
 988         /* LCOV_EXCL_STOP */
 989 }
 990
 991 EXTERN tdm_error
 992 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 993                                            tdm_output_vblank_handler func, void *user_data)
 994 {
 995         OUTPUT_FUNC_ENTRY();
 996         TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_ERROR_INVALID_PARAMETER);
 997
 998         _pthread_mutex_lock(&private_display->lock);
 999
1000         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1001                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
1002                                 tdm_dpms_str(private_output->current_dpms_value));
1003                 _pthread_mutex_unlock(&private_display->lock);
1004                 return TDM_ERROR_DPMS_OFF;
1005         }
1006
1007         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 0);
1008
1009         _pthread_mutex_unlock(&private_display->lock);
1010
1011         return ret;
1012 }
1013
1014 /* LCOV_EXCL_START */
1015 EXTERN tdm_error
1016 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
1017                                                                  tdm_output_vblank_handler func, void *user_data)
1018 {
1019         OUTPUT_FUNC_ENTRY();
1020
1021         _pthread_mutex_lock(&private_display->lock);
1022
1023         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1024                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
1025                                 tdm_dpms_str(private_output->current_dpms_value));
1026                 _pthread_mutex_unlock(&private_display->lock);
1027                 return TDM_ERROR_DPMS_OFF;
1028         }
1029
1030         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 1);
1031
1032         _pthread_mutex_unlock(&private_display->lock);
1033
1034         return ret;
1035 }
1036 /* LCOV_EXCL_STOP */
1037
1038 INTERN void
1039 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
1040 {
1041         tdm_private_output *private_output = (tdm_private_output*)output;
1042         tdm_private_output_vblank_handler *v = NULL;
1043
1044         TDM_RETURN_IF_FAIL(private_output != NULL);
1045         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1046
1047         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
1048                 if (v->func == func && v->user_data == user_data) {
1049                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1050                         v->func = NULL;
1051                         v->user_data = NULL;
1052                         break;
1053                 }
1054         }
1055 }
1056
1057 INTERN void
1058 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1059 {
1060         tdm_private_output *private_output = (tdm_private_output*)output;
1061         tdm_private_output_commit_handler *c = NULL;
1062
1063         TDM_RETURN_IF_FAIL(private_output != NULL);
1064         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1065
1066         LIST_FOR_EACH_ENTRY(c, &private_output->output_commit_handler_list, link) {
1067                 if (c->func == func && c->user_data == user_data) {
1068                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1069                         c->func = NULL;
1070                         c->user_data = NULL;
1071                         break;
1072                 }
1073         }
1074 }
1075
1076 EXTERN tdm_error
1077 tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
1078 {
1079         OUTPUT_FUNC_ENTRY();
1080
1081         _pthread_mutex_lock(&private_display->lock);
1082
1083         tdm_output_remove_vblank_handler_internal(output, func, user_data);
1084
1085         _pthread_mutex_unlock(&private_display->lock);
1086
1087         return ret;
1088 }
1089
1090 EXTERN tdm_error
1091 tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1092 {
1093         OUTPUT_FUNC_ENTRY();
1094
1095         _pthread_mutex_lock(&private_display->lock);
1096
1097         tdm_output_remove_commit_handler_internal(output, func, user_data);
1098
1099         _pthread_mutex_unlock(&private_display->lock);
1100
1101         return ret;
1102 }
1103
1104 INTERN tdm_error
1105 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
1106 {
1107         tdm_private_output *private_output;
1108         tdm_private_module *private_module;
1109         tdm_func_output *func_output;
1110         tdm_private_output_commit_handler *output_commit_handler = NULL;
1111         tdm_private_layer *private_layer = NULL;
1112         tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
1113         tdm_error ret = TDM_ERROR_NONE;
1114
1115         TDM_RETURN_VAL_IF_FAIL(tdm_output_is_valid(output), TDM_ERROR_INVALID_PARAMETER);
1116
1117         private_output = (tdm_private_output*)output;
1118         private_module = private_output->private_module;
1119         func_output = &private_module->func_output;
1120
1121         if (!func_output->output_commit) {
1122                 /* LCOV_EXCL_START */
1123                 TDM_WRN("not implemented!!");
1124                 return TDM_ERROR_NOT_IMPLEMENTED;
1125                 /* LCOV_EXCL_STOP */
1126         }
1127
1128         ret = tdm_output_get_dpms_internal(output, &dpms_value);
1129         TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
1130
1131         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1132                 if (func) {
1133                         if (!private_output->regist_commit_cb) {
1134                                 private_output->regist_commit_cb = 1;
1135                                 ret = func_output->output_set_commit_handler(private_output->output_backend, _tdm_output_cb_commit);
1136                                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1137                         }
1138
1139                         output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
1140                         if (!output_commit_handler) {
1141                                 /* LCOV_EXCL_START */
1142                                 TDM_ERR("failed: alloc memory");
1143                                 return TDM_ERROR_OUT_OF_MEMORY;
1144                                 /* LCOV_EXCL_STOP */
1145                         }
1146
1147                         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1148                         if (ret != TDM_ERROR_NONE) {
1149                                 TDM_ERR("tdm_thread_cb_add failed");
1150                                 free(output_commit_handler);
1151                                 return ret;
1152                         }
1153
1154                         LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
1155                         output_commit_handler->private_output = private_output;
1156                         output_commit_handler->func = func;
1157                         output_commit_handler->user_data = user_data;
1158                         output_commit_handler->owner_tid = syscall(SYS_gettid);
1159                 }
1160
1161                 ret = func_output->output_commit(private_output->output_backend, sync,
1162                                 output_commit_handler);
1163                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1164
1165                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
1166                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
1167                                         private_output->pipe, output_commit_handler, func, user_data);
1168         }
1169
1170         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
1171          * for tdm_layer_committed() function.
1172          */
1173         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1174                 if (!private_layer->waiting_buffer)
1175                         continue;
1176
1177                 if (private_layer->committed_buffer)
1178                         tdm_layer_free_buffer(private_layer, private_layer->committed_buffer);
1179
1180                 private_layer->committed_buffer = private_layer->waiting_buffer;
1181                 private_layer->waiting_buffer = NULL;
1182                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1183                         TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
1184                                          private_layer, private_layer->waiting_buffer,
1185                                          private_layer->committed_buffer->buffer);
1186         }
1187
1188         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1189                 TDM_WRN("dpms %s. Directly call commit handler instead of commit.", tdm_dpms_str(dpms_value));
1190                 if (func)
1191                         func(output, 0, 0, 0, user_data);
1192         }
1193
1194         return ret;
1195
1196 commit_failed:
1197         /* LCOV_EXCL_START */
1198         if (output_commit_handler) {
1199                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1200                 LIST_DEL(&output_commit_handler->link);
1201                 free(output_commit_handler);
1202         }
1203         return ret;
1204         /* LCOV_EXCL_STOP */
1205 }
1206
1207 EXTERN tdm_error
1208 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
1209                                   void *user_data)
1210 {
1211         tdm_private_layer *private_layer = NULL;
1212
1213         OUTPUT_FUNC_ENTRY();
1214
1215         _pthread_mutex_lock(&private_display->lock);
1216
1217         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE)
1218                 private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
1219         else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1220                 TDM_ERR("Can't supported. Use tdm_layer_commit");
1221                 _pthread_mutex_unlock(&private_display->lock);
1222                 return TDM_ERROR_BAD_REQUEST;
1223         }
1224
1225         if (private_output->commit_per_vblank) {
1226                 TDM_ERR("Use tdm_layer_commit");
1227                 _pthread_mutex_unlock(&private_display->lock);
1228                 return TDM_ERROR_BAD_REQUEST;
1229         }
1230
1231         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1232                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
1233                                 tdm_dpms_str(private_output->current_dpms_value));
1234                 _pthread_mutex_unlock(&private_display->lock);
1235                 return TDM_ERROR_DPMS_OFF;
1236         }
1237
1238         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1239                 TDM_INFO("output(%d) commit", private_output->pipe);
1240
1241         /* apply the pending data of all layers */
1242         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1243                 tdm_layer_commit_pending_data(private_layer);
1244         }
1245
1246         ret = tdm_output_commit_internal(output, sync, func, user_data);
1247
1248         _pthread_mutex_unlock(&private_display->lock);
1249
1250         return ret;
1251 }
1252
1253 EXTERN tdm_error
1254 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
1255 {
1256         tdm_private_module *private_module;
1257         tdm_func_output *func_output;
1258         OUTPUT_FUNC_ENTRY();
1259
1260         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1261
1262         _pthread_mutex_lock(&private_display->lock);
1263
1264         private_module = private_output->private_module;
1265         func_output = &private_module->func_output;
1266
1267         if (!func_output->output_set_mode) {
1268                 /* LCOV_EXCL_START */
1269                 _pthread_mutex_unlock(&private_display->lock);
1270                 TDM_WRN("not implemented!!");
1271                 return TDM_ERROR_NOT_IMPLEMENTED;
1272                 /* LCOV_EXCL_STOP */
1273         }
1274
1275         ret = func_output->output_set_mode(private_output->output_backend, mode);
1276         if (ret == TDM_ERROR_NONE) {
1277                 private_output->current_mode = mode;
1278                 private_output->need_set_target_info = 1;
1279                 TDM_INFO("mode: %dx%d %dhz", mode->hdisplay, mode->vdisplay, mode->vrefresh);
1280         }
1281
1282         _pthread_mutex_unlock(&private_display->lock);
1283
1284         return ret;
1285 }
1286
1287 EXTERN tdm_error
1288 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
1289 {
1290         OUTPUT_FUNC_ENTRY();
1291
1292         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1293
1294         _pthread_mutex_lock(&private_display->lock);
1295
1296         *mode = private_output->current_mode;
1297
1298         _pthread_mutex_unlock(&private_display->lock);
1299
1300         return ret;
1301 }
1302
1303 EXTERN tdm_error
1304 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1305 {
1306         tdm_private_module *private_module;
1307         tdm_func_output *func_output;
1308         OUTPUT_FUNC_ENTRY();
1309
1310         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1311                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1312                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1313                         return TDM_ERROR_BAD_REQUEST;
1314                 }
1315
1316                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1317                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1318                                         private_output->pipe, tdm_dpms_str(dpms_value));
1319                         return TDM_ERROR_BAD_REQUEST;
1320                 }
1321         }
1322
1323         _pthread_mutex_lock(&private_display->lock);
1324
1325         if (private_output->waiting_dpms_change) {
1326                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1327                 _pthread_mutex_unlock(&private_display->lock);
1328                 return TDM_ERROR_BAD_REQUEST;
1329         }
1330
1331         private_module = private_output->private_module;
1332         func_output = &private_module->func_output;
1333
1334         TDM_INFO("output(%d) dpms '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1335
1336         if (func_output->output_set_dpms)
1337                 ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1338         else {
1339                 /* LCOV_EXCL_START */
1340                 ret = TDM_ERROR_NONE;
1341                 TDM_WRN("not implemented!!");
1342                 goto done;
1343                 /* LCOV_EXCL_STOP */
1344         }
1345
1346 done:
1347         if (ret == TDM_ERROR_NONE) {
1348                 if (private_output->current_dpms_value != dpms_value) {
1349                         private_output->current_dpms_value = dpms_value;
1350                         _tdm_output_call_thread_cb_dpms(private_output, dpms_value);
1351                         TDM_INFO("output(%d) dpms '%s' done", private_output->pipe, tdm_dpms_str(dpms_value));
1352                 }
1353         } else {
1354                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1355
1356                 /* update current_dpms_value forcely */
1357                 tdm_output_get_dpms_internal(output, &temp);
1358
1359                 TDM_ERR("output(%d) set_dpms failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1360         }
1361
1362         _pthread_mutex_unlock(&private_display->lock);
1363
1364         return ret;
1365 }
1366
1367 /* LCOV_EXCL_START */
1368 EXTERN tdm_error
1369 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
1370 {
1371         tdm_private_module *private_module;
1372         tdm_func_output *func_output;
1373         OUTPUT_FUNC_ENTRY();
1374
1375         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_ASYNC_DPMS)) {
1376                 TDM_ERR("output doesn't support the asynchronous DPMS control!");
1377                 return TDM_ERROR_BAD_REQUEST;
1378         }
1379
1380         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1381                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1382                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1383                         return TDM_ERROR_BAD_REQUEST;
1384                 }
1385
1386                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1387                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1388                                         private_output->pipe, tdm_dpms_str(dpms_value));
1389                         return TDM_ERROR_BAD_REQUEST;
1390                 }
1391         }
1392
1393         _pthread_mutex_lock(&private_display->lock);
1394
1395         if (private_output->waiting_dpms_change) {
1396                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1397                 _pthread_mutex_unlock(&private_display->lock);
1398                 return TDM_ERROR_BAD_REQUEST;
1399         }
1400
1401         private_module = private_output->private_module;
1402         func_output = &private_module->func_output;
1403         if (!func_output->output_set_dpms_handler) {
1404                 TDM_WRN("not implemented: output_set_dpms_handler");
1405                 _pthread_mutex_unlock(&private_display->lock);
1406                 return TDM_ERROR_NOT_IMPLEMENTED;
1407         }
1408
1409         if (!func_output->output_set_dpms_async) {
1410                 TDM_WRN("not implemented: output_set_dpms_async");
1411                 _pthread_mutex_unlock(&private_display->lock);
1412                 return TDM_ERROR_NOT_IMPLEMENTED;
1413         }
1414
1415         if (!private_output->regist_dpms_cb) {
1416                 private_output->regist_dpms_cb = 1;
1417                 ret = func_output->output_set_dpms_handler(private_output->output_backend,
1418                                 tdm_output_cb_dpms, private_output);
1419                 if (ret != TDM_ERROR_NONE) {
1420                         _pthread_mutex_unlock(&private_display->lock);
1421                         TDM_ERR("Can't set the dpms handler!!");
1422                         return ret;
1423                 }
1424         }
1425
1426         TDM_INFO("output(%d) dpms async '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1427
1428         ret = func_output->output_set_dpms_async(private_output->output_backend, dpms_value);
1429
1430         if (ret == TDM_ERROR_NONE) {
1431                 private_output->waiting_dpms_change = 1;
1432                 TDM_INFO("output(%d) dpms async '%s' waiting", private_output->pipe, tdm_dpms_str(dpms_value));
1433         } else {
1434                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1435
1436                 /* update current_dpms_value forcely */
1437                 tdm_output_get_dpms_internal(output, &temp);
1438
1439                 TDM_ERR("output(%d) set_dpms_async failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1440         }
1441
1442         _pthread_mutex_unlock(&private_display->lock);
1443
1444         return ret;
1445 }
1446 /* LCOV_EXCL_STOP */
1447
1448 INTERN tdm_error
1449 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1450 {
1451         tdm_private_output *private_output;
1452         tdm_private_module *private_module;
1453         tdm_func_output *func_output;
1454         tdm_error ret = TDM_ERROR_NONE;
1455
1456         TDM_RETURN_VAL_IF_FAIL(tdm_output_is_valid(output), TDM_ERROR_INVALID_PARAMETER);
1457
1458         private_output = (tdm_private_output*)output;
1459
1460         /* TODO: this is ugly. But before calling backend's output_get_dpms(), we have
1461          * to check if all backends's DPMS operation has no problem. In future, we'd
1462          * better use new env instead of using commit_per_vblank variable to distinguish
1463          * whether we use the stored value or backend's output_get_dpms.
1464          */
1465         if (!private_output->commit_per_vblank) {
1466                 *dpms_value = private_output->current_dpms_value;
1467                 return TDM_ERROR_NONE;
1468         }
1469
1470         private_module = private_output->private_module;
1471         func_output = &private_module->func_output;
1472
1473         if (!func_output->output_get_dpms) {
1474                 /* LCOV_EXCL_START */
1475                 *dpms_value = private_output->current_dpms_value;
1476                 TDM_WRN("not implemented!!");
1477                 return TDM_ERROR_NONE;
1478                 /* LCOV_EXCL_STOP */
1479         }
1480
1481         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1482         if (ret != TDM_ERROR_NONE) {
1483                 /* LCOV_EXCL_START */
1484                 TDM_ERR("output_get_dpms failed");
1485                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1486                 /* LCOV_EXCL_STOP */
1487         }
1488
1489         /* checking with backend's value */
1490         if (*dpms_value != private_output->current_dpms_value) {
1491                 TDM_ERR("output(%d) dpms changed suddenly: %s -> %s",
1492                                 private_output->pipe, tdm_dpms_str(private_output->current_dpms_value),
1493                                 tdm_dpms_str(*dpms_value));
1494                 private_output->current_dpms_value = *dpms_value;
1495                 _tdm_output_call_thread_cb_dpms(private_output, *dpms_value);
1496         }
1497
1498         return ret;
1499 }
1500
1501 EXTERN tdm_error
1502 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1503 {
1504         OUTPUT_FUNC_ENTRY();
1505
1506         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1507
1508         _pthread_mutex_lock(&private_display->lock);
1509
1510         ret = tdm_output_get_dpms_internal(output, dpms_value);
1511
1512         _pthread_mutex_unlock(&private_display->lock);
1513
1514         return ret;
1515 }
1516
1517 EXTERN tdm_error
1518 tdm_output_has_capture_capability(tdm_output *output, unsigned int *has_capability)
1519 {
1520         tdm_private_module *private_module;
1521
1522         OUTPUT_FUNC_ENTRY();
1523
1524         TDM_RETURN_VAL_IF_FAIL(has_capability != NULL, TDM_ERROR_INVALID_PARAMETER);
1525
1526         _pthread_mutex_lock(&private_display->lock);
1527
1528         private_module = private_output->private_module;
1529
1530         if (!(private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
1531                 *has_capability = 0;
1532         else if (!(private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT))
1533                 *has_capability = 0;
1534         else
1535                 *has_capability = 1;
1536
1537         _pthread_mutex_unlock(&private_display->lock);
1538
1539         return ret;
1540 }
1541
1542 EXTERN tdm_capture *
1543 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1544 {
1545         tdm_capture *capture = NULL;
1546
1547         OUTPUT_FUNC_ENTRY_ERROR();
1548
1549         _pthread_mutex_lock(&private_display->lock);
1550
1551         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1552
1553         _pthread_mutex_unlock(&private_display->lock);
1554
1555         return capture;
1556 }
1557
1558 EXTERN tdm_hwc_window *
1559 tdm_output_hwc_create_window(tdm_output *output, tdm_error *error)
1560 {
1561         tdm_hwc_window *hwc_window = NULL;
1562
1563         OUTPUT_FUNC_ENTRY_ERROR();
1564
1565         _pthread_mutex_lock(&private_display->lock);
1566
1567         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1568                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, 0, error);
1569         else {
1570                 /* LCOV_EXCL_START */
1571                 TDM_ERR("output(%p) not support HWC", private_output);
1572                 if (error)
1573                         *error = TDM_ERROR_BAD_REQUEST;
1574                 /* LCOV_EXCL_STOP */
1575         }
1576
1577         _pthread_mutex_unlock(&private_display->lock);
1578
1579         return hwc_window;
1580 }
1581
1582 EXTERN tdm_hwc_window *
1583 tdm_output_hwc_create_video_window(tdm_output *output, tdm_error *error)
1584 {
1585         tdm_hwc_window *hwc_window = NULL;
1586
1587         OUTPUT_FUNC_ENTRY_ERROR();
1588
1589         _pthread_mutex_lock(&private_display->lock);
1590
1591         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1592                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, 1, error);
1593         else {
1594                 /* LCOV_EXCL_START */
1595                 TDM_ERR("output(%p) not support HWC", private_output);
1596                 if (error)
1597                         *error = TDM_ERROR_BAD_REQUEST;
1598                 /* LCOV_EXCL_STOP */
1599         }
1600
1601         _pthread_mutex_unlock(&private_display->lock);
1602
1603         return hwc_window;
1604 }
1605
1606 EXTERN tdm_error
1607 tdm_output_hwc_destroy_window(tdm_output *output, tdm_hwc_window *hwc_window)
1608 {
1609         OUTPUT_FUNC_ENTRY();
1610
1611         TDM_RETURN_VAL_IF_FAIL(hwc_window != NULL, TDM_ERROR_INVALID_PARAMETER);
1612
1613         _pthread_mutex_lock(&private_display->lock);
1614
1615         ret = tdm_hwc_window_destroy_internal(hwc_window);
1616
1617         _pthread_mutex_unlock(&private_display->lock);
1618
1619         return ret;
1620 }
1621
1622 EXTERN tdm_error
1623 tdm_output_hwc_validate(tdm_output *output, tdm_hwc_window **composited_wnds,
1624                                                                         uint32_t num_wnds, uint32_t *num_types)
1625 {
1626         tdm_private_module *private_module;
1627         tdm_func_output *func_output = NULL;
1628         tdm_private_hwc_window **composited_wnds_frontend = NULL;
1629         tdm_hwc_window **composited_wnds_backend = NULL;
1630         int i;
1631
1632         OUTPUT_FUNC_ENTRY();
1633
1634         TDM_RETURN_VAL_IF_FAIL(num_types != NULL, TDM_ERROR_INVALID_PARAMETER);
1635
1636         _pthread_mutex_lock(&private_display->lock);
1637
1638         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1639                 TDM_ERR("output(%p) not support HWC", private_output);
1640                 _pthread_mutex_unlock(&private_display->lock);
1641                 return TDM_ERROR_BAD_REQUEST;
1642         }
1643
1644         private_module = private_output->private_module;
1645         func_output = &private_module->func_output;
1646
1647         if (!func_output->output_hwc_validate) {
1648                 /* LCOV_EXCL_START */
1649                 _pthread_mutex_unlock(&private_display->lock);
1650                 TDM_WRN("not implemented!!");
1651                 return TDM_ERROR_NOT_IMPLEMENTED;
1652                 /* LCOV_EXCL_STOP */
1653         }
1654
1655         if (num_wnds == 0) {
1656                 ret = func_output->output_hwc_validate(private_output->output_backend, NULL, 0, num_types);
1657
1658                 _pthread_mutex_unlock(&private_display->lock);
1659
1660                 return ret;
1661         }
1662
1663         composited_wnds_backend = calloc(num_wnds, sizeof(tdm_hwc_window *));
1664         if (!composited_wnds_backend) {
1665                 /* LCOV_EXCL_START */
1666                 _pthread_mutex_unlock(&private_display->lock);
1667                 return TDM_ERROR_OUT_OF_MEMORY;
1668                 /* LCOV_EXCL_STOP */
1669         }
1670
1671         composited_wnds_frontend = (tdm_private_hwc_window **)composited_wnds;
1672
1673         for (i = 0; i < num_wnds; i++)
1674                 composited_wnds_backend[i] = composited_wnds_frontend[i]->hwc_window_backend;
1675
1676         ret = func_output->output_hwc_validate(private_output->output_backend, composited_wnds_backend, num_wnds, num_types);
1677
1678         free(composited_wnds_backend);
1679
1680         _pthread_mutex_unlock(&private_display->lock);
1681
1682         return ret;
1683 }
1684
1685 EXTERN tdm_error
1686 tdm_output_hwc_set_need_validate_handler(tdm_output *output,
1687                 tdm_output_need_validate_handler hndl)
1688 {
1689         OUTPUT_FUNC_ENTRY();
1690
1691         TDM_RETURN_VAL_IF_FAIL(hndl != NULL, TDM_ERROR_INVALID_PARAMETER);
1692
1693         _pthread_mutex_lock(&private_display->lock);
1694
1695         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1696                 TDM_ERR("output(%p) not support HWC", private_output);
1697                 _pthread_mutex_unlock(&private_display->lock);
1698                 return TDM_ERROR_BAD_REQUEST;
1699         }
1700
1701         /* there's no reason to allow this */
1702         if (private_output->need_validate.hndl) {
1703
1704                 _pthread_mutex_unlock(&private_display->lock);
1705                 return TDM_ERROR_OPERATION_FAILED;
1706         }
1707
1708         private_output->need_validate.hndl = hndl;
1709
1710         _pthread_mutex_unlock(&private_display->lock);
1711
1712         return ret;
1713 }
1714
1715 EXTERN tdm_error
1716 tdm_output_hwc_get_changed_composition_types(tdm_output *output,
1717                                                                                  uint32_t *num_elements,
1718                                                                                  tdm_hwc_window **hwc_window,
1719                                                                                  tdm_hwc_window_composition *composition_types)
1720 {
1721         tdm_private_module *private_module;
1722         tdm_func_output *func_output = NULL;
1723         tdm_private_hwc_window * private_hwc_window = NULL;
1724         int i = 0;
1725
1726         OUTPUT_FUNC_ENTRY();
1727
1728         TDM_RETURN_VAL_IF_FAIL(num_elements != NULL, TDM_ERROR_INVALID_PARAMETER);
1729
1730         _pthread_mutex_lock(&private_display->lock);
1731
1732         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1733                 TDM_ERR("output(%p) not support HWC", private_output);
1734                 _pthread_mutex_unlock(&private_display->lock);
1735                 return TDM_ERROR_BAD_REQUEST;
1736         }
1737
1738         private_module = private_output->private_module;
1739         func_output = &private_module->func_output;
1740
1741         if (!func_output->output_hwc_get_changed_composition_types) {
1742                 /* LCOV_EXCL_START */
1743                 _pthread_mutex_unlock(&private_display->lock);
1744                 TDM_WRN("not implemented!!");
1745                 return TDM_ERROR_NOT_IMPLEMENTED;
1746                 /* LCOV_EXCL_STOP */
1747         }
1748
1749         ret = func_output->output_hwc_get_changed_composition_types(private_output->output_backend,
1750                                                         num_elements, hwc_window, composition_types);
1751         if (ret != TDM_ERROR_NONE) {
1752                 /* LCOV_EXCL_START */
1753                 _pthread_mutex_unlock(&private_display->lock);
1754                 return ret;
1755                 /* LCOV_EXCL_STOP */
1756         }
1757
1758         if (hwc_window == NULL || composition_types == NULL) {
1759                 _pthread_mutex_unlock(&private_display->lock);
1760                 return TDM_ERROR_NONE;
1761         }
1762
1763         for (i = 0; i < *num_elements; i++) {
1764
1765                 private_hwc_window = _tdm_output_find_private_hwc_window(private_output, hwc_window[i]);
1766
1767                 if (private_hwc_window == NULL) {
1768                         /* LCOV_EXCL_START */
1769                         TDM_ERR("failed! This should never happen!");
1770                         func_output->output_hwc_destroy_window(private_output->output_backend, hwc_window[i]);
1771                         *num_elements = 0;
1772                         _pthread_mutex_unlock(&private_display->lock);
1773                         return TDM_ERROR_OPERATION_FAILED;
1774                         /* LCOV_EXCL_STOP */
1775                 }
1776
1777                 hwc_window[i] = (tdm_hwc_window*)private_hwc_window;
1778         }
1779
1780         _pthread_mutex_unlock(&private_display->lock);
1781
1782         return ret;
1783 }
1784
1785 tdm_error
1786 tdm_output_hwc_accept_changes(tdm_output *output)
1787 {
1788         tdm_private_module *private_module;
1789         tdm_func_output *func_output = NULL;
1790
1791         OUTPUT_FUNC_ENTRY();
1792
1793         _pthread_mutex_lock(&private_display->lock);
1794
1795         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1796                 TDM_ERR("output(%p) not support HWC", private_output);
1797                 _pthread_mutex_unlock(&private_display->lock);
1798                 return TDM_ERROR_BAD_REQUEST;
1799         }
1800
1801         private_module = private_output->private_module;
1802         func_output = &private_module->func_output;
1803
1804         if (!func_output->output_hwc_validate) {
1805                 /* LCOV_EXCL_START */
1806                 _pthread_mutex_unlock(&private_display->lock);
1807                 TDM_WRN("not implemented!!");
1808                 return TDM_ERROR_NOT_IMPLEMENTED;
1809                 /* LCOV_EXCL_STOP */
1810         }
1811
1812         ret = func_output->output_hwc_accept_changes(private_output->output_backend);
1813
1814         _pthread_mutex_unlock(&private_display->lock);
1815
1816         return ret;
1817 }
1818
1819 tbm_surface_queue_h
1820 tdm_output_hwc_get_target_buffer_queue(tdm_output *output, tdm_error *error)
1821 {
1822         tdm_private_module *private_module;
1823         tdm_func_output *func_output = NULL;
1824         tbm_surface_queue_h queue = NULL;
1825
1826         OUTPUT_FUNC_ENTRY_ERROR();
1827
1828         _pthread_mutex_lock(&private_display->lock);
1829
1830         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1831                 TDM_ERR("output(%p) not support HWC", private_output);
1832                 if (error)
1833                         *error = TDM_ERROR_BAD_REQUEST;
1834                 _pthread_mutex_unlock(&private_display->lock);
1835                 return NULL;
1836         }
1837
1838         private_module = private_output->private_module;
1839         func_output = &private_module->func_output;
1840
1841         if (!func_output->output_hwc_get_target_buffer_queue) {
1842                 /* LCOV_EXCL_START */
1843                 _pthread_mutex_unlock(&private_display->lock);
1844                 TDM_WRN("not implemented!!");
1845                 return NULL;
1846                 /* LCOV_EXCL_STOP */
1847         }
1848
1849         queue = func_output->output_hwc_get_target_buffer_queue(private_output->output_backend, error);
1850
1851         _pthread_mutex_unlock(&private_display->lock);
1852
1853         return queue;
1854 }
1855
1856 EXTERN tdm_error
1857 tdm_output_hwc_set_client_target_buffer(tdm_output *output, tbm_surface_h target_buffer, tdm_hwc_region damage)
1858 {
1859         tdm_private_module *private_module;
1860         tdm_func_output *func_output = NULL;
1861
1862         OUTPUT_FUNC_ENTRY();
1863
1864         _pthread_mutex_lock(&private_display->lock);
1865
1866         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1867                 TDM_ERR("output(%p) not support HWC", private_output);
1868                 _pthread_mutex_unlock(&private_display->lock);
1869                 return TDM_ERROR_BAD_REQUEST;
1870         }
1871
1872         if (tdm_debug_dump & TDM_DUMP_FLAG_WINDOW) {
1873                 /* LCOV_EXCL_START */
1874                 char str[TDM_PATH_LEN];
1875                 static int i;
1876                 snprintf(str, TDM_PATH_LEN, "target_window_%d_%03d",
1877                                  private_output->index, i++);
1878                 tdm_helper_dump_buffer_str(target_buffer, tdm_debug_dump_dir, str);
1879                 /* LCOV_EXCL_STOP */
1880         }
1881
1882         private_module = private_output->private_module;
1883         func_output = &private_module->func_output;
1884
1885         if (!func_output->output_hwc_set_client_target_buffer) {
1886                 /* LCOV_EXCL_START */
1887                 _pthread_mutex_unlock(&private_display->lock);
1888                 TDM_WRN("not implemented!!");
1889                 return TDM_ERROR_NOT_IMPLEMENTED;
1890                 /* LCOV_EXCL_STOP */
1891         }
1892
1893         ret = func_output->output_hwc_set_client_target_buffer(private_output->output_backend, target_buffer, damage);
1894
1895         _pthread_mutex_unlock(&private_display->lock);
1896
1897         return ret;
1898 }
1899
1900 EXTERN tdm_error
1901 tdm_output_hwc_unset_client_target_buffer(tdm_output *output)
1902 {
1903         tdm_private_module *private_module;
1904         tdm_func_output *func_output = NULL;
1905
1906         OUTPUT_FUNC_ENTRY();
1907
1908         _pthread_mutex_lock(&private_display->lock);
1909
1910         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1911                 TDM_ERR("output(%p) not support HWC", private_output);
1912                 _pthread_mutex_unlock(&private_display->lock);
1913                 return TDM_ERROR_BAD_REQUEST;
1914         }
1915
1916         private_module = private_output->private_module;
1917         func_output = &private_module->func_output;
1918
1919         if (!func_output->output_hwc_unset_client_target_buffer) {
1920                 /* LCOV_EXCL_START */
1921                 _pthread_mutex_unlock(&private_display->lock);
1922                 TDM_ERR("not implemented!!");
1923                 return TDM_ERROR_NOT_IMPLEMENTED;
1924                 /* LCOV_EXCL_STOP */
1925         }
1926
1927         ret = func_output->output_hwc_unset_client_target_buffer(private_output->output_backend);
1928
1929         _pthread_mutex_unlock(&private_display->lock);
1930
1931         return ret;
1932 }
1933
1934 static void
1935 _tdm_output_hwc_layer_commit_handler(tdm_layer *layer, unsigned int sequence,
1936                                                                                  unsigned int tv_sec, unsigned int tv_usec,
1937                                                                                  void *user_data)
1938 {
1939         tdm_private_output_hwc_target_buffer_commit_handler *output_hwc_target_buffer_commit_handler = (tdm_private_output_hwc_target_buffer_commit_handler *)user_data;
1940         tdm_output_hwc_target_buffer_commit_handler func = output_hwc_target_buffer_commit_handler->func;
1941         tdm_output *output = (tdm_output *)output_hwc_target_buffer_commit_handler->private_output;
1942         void *data = output_hwc_target_buffer_commit_handler->user_data;
1943
1944         func(output, sequence, tv_sec, tv_usec, data);
1945
1946         free(output_hwc_target_buffer_commit_handler);
1947 }
1948
1949 tdm_error
1950 tdm_output_hwc_commit_client_target_buffer(tdm_output *output, tdm_output_hwc_target_buffer_commit_handler func, void *user_data)
1951 {
1952         tdm_private_module *private_module;
1953         tdm_func_output *func_output;
1954         tdm_private_output_hwc_target_buffer_commit_handler *output_hwc_target_buffer_commit_handler;
1955         tdm_layer *layer = NULL;
1956         tdm_private_layer *private_layer;
1957         const tdm_output_mode *mode;
1958         tbm_surface_h buffer;
1959
1960         OUTPUT_FUNC_ENTRY();
1961
1962         _pthread_mutex_lock(&private_display->lock);
1963
1964         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1965                 TDM_ERR("output(%p) not support HWC", private_output);
1966                 _pthread_mutex_unlock(&private_display->lock);
1967                 return TDM_ERROR_BAD_REQUEST;
1968         }
1969
1970         private_module = private_output->private_module;
1971         func_output = &private_module->func_output;
1972
1973         if (!func_output->output_hwc_get_client_target_buffer_layer) {
1974                 /* LCOV_EXCL_START */
1975                 _pthread_mutex_unlock(&private_display->lock);
1976                 TDM_ERR("not implemented!!");
1977                 return TDM_ERROR_NOT_IMPLEMENTED;
1978                 /* LCOV_EXCL_STOP */
1979         }
1980
1981         layer = func_output->output_hwc_get_client_target_buffer_layer(private_output->output_backend,
1982                                                                                                                    &ret);
1983         if (!layer) {
1984                 /* LCOV_EXCL_START */
1985                 _pthread_mutex_unlock(&private_display->lock);
1986                 TDM_ERR("no assigned layer!!");
1987                 return TDM_ERROR_INVALID_PARAMETER;
1988                 /* LCOV_EXCL_STOP */
1989         }
1990
1991         private_layer = (tdm_private_layer*)layer;
1992
1993         if (!func_output->output_hwc_get_client_target_buffer) {
1994                 /* LCOV_EXCL_START */
1995                 _pthread_mutex_unlock(&private_display->lock);
1996                 TDM_ERR("not implemented!!");
1997                 return TDM_ERROR_NOT_IMPLEMENTED;
1998                 /* LCOV_EXCL_STOP */
1999         }
2000
2001         buffer = func_output->output_hwc_get_client_target_buffer(private_output->output_backend,
2002                                                                                                            &ret);
2003         if (buffer)
2004                 ret = tdm_layer_set_buffer_internal(private_layer, buffer);
2005         else
2006                 ret = tdm_layer_unset_buffer_internal(private_layer);
2007         if (ret != TDM_ERROR_NONE) {
2008                 /* LCOV_EXCL_START */
2009                 TDM_ERR("failed: layer set info(window)");
2010                 _pthread_mutex_unlock(&private_display->lock);
2011                 /* LCOV_EXCL_STOP */
2012                 return ret;
2013         }
2014
2015         if (private_output->need_set_target_info) {
2016                 mode = private_output->current_mode;
2017                 private_output->target_buffer_info.src_config.size.h = mode->hdisplay;
2018                 private_output->target_buffer_info.src_config.size.v = mode->vdisplay;
2019                 private_output->target_buffer_info.src_config.pos.x = 0;
2020                 private_output->target_buffer_info.src_config.pos.y = 0;
2021                 private_output->target_buffer_info.src_config.pos.w = mode->hdisplay;
2022                 private_output->target_buffer_info.src_config.pos.h = mode->vdisplay;
2023                 private_output->target_buffer_info.dst_pos.x = 0;
2024                 private_output->target_buffer_info.dst_pos.y = 0;
2025                 private_output->target_buffer_info.dst_pos.w = mode->hdisplay;
2026                 private_output->target_buffer_info.dst_pos.h = mode->vdisplay;
2027                 private_output->target_buffer_info.transform = TDM_TRANSFORM_NORMAL;
2028
2029                 ret = tdm_layer_set_info_internal(private_layer, &private_output->target_buffer_info);
2030                 if (ret != TDM_ERROR_NONE) {
2031                         /* LCOV_EXCL_START */
2032                         TDM_ERR("failed: layer set info(window)");
2033                         _pthread_mutex_unlock(&private_display->lock);
2034                         /* LCOV_EXCL_STOP */
2035                         return ret;
2036                 }
2037
2038                 private_output->need_set_target_info = 0;
2039         }
2040
2041         output_hwc_target_buffer_commit_handler = calloc(1, sizeof(tdm_private_output_hwc_target_buffer_commit_handler));
2042         if (!output_hwc_target_buffer_commit_handler) {
2043                 /* LCOV_EXCL_START */
2044                 TDM_ERR("failed: alloc memory");
2045                 _pthread_mutex_unlock(&private_display->lock);
2046                 return TDM_ERROR_OUT_OF_MEMORY;
2047                 /* LCOV_EXCL_STOP */
2048         }
2049
2050         output_hwc_target_buffer_commit_handler->private_output = private_output;
2051         output_hwc_target_buffer_commit_handler->func = func;
2052         output_hwc_target_buffer_commit_handler->user_data = user_data;
2053
2054         ret = tdm_layer_commit_internal(private_layer, _tdm_output_hwc_layer_commit_handler, output_hwc_target_buffer_commit_handler);
2055         if (ret != TDM_ERROR_NONE) {
2056                 /* LCOV_EXCL_START */
2057                 TDM_ERR("failed: commit layer(target buffer)");
2058                 free(output_hwc_target_buffer_commit_handler);
2059                 _pthread_mutex_unlock(&private_display->lock);
2060                 /* LCOV_EXCL_STOP */
2061                 return ret;
2062         }
2063
2064         _pthread_mutex_unlock(&private_display->lock);
2065
2066         return ret;
2067 }
2068
2069 tdm_error
2070 tdm_output_hwc_get_video_supported_formats(tdm_output *output, const tbm_format **formats,
2071                                                                 int *count)
2072 {
2073         tdm_private_module *private_module;
2074         tdm_func_output *func_output;
2075         OUTPUT_FUNC_ENTRY();
2076
2077         TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
2078         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
2079
2080         _pthread_mutex_lock(&private_display->lock);
2081
2082         private_module = private_output->private_module;
2083         func_output = &private_module->func_output;
2084
2085         if (!func_output->output_hwc_get_video_supported_formats) {
2086                 /* LCOV_EXCL_START */
2087                 _pthread_mutex_unlock(&private_display->lock);
2088                 TDM_WRN("not implemented!!");
2089                 return TDM_ERROR_NOT_IMPLEMENTED;
2090                 /* LCOV_EXCL_STOP */
2091         }
2092
2093         ret = func_output->output_hwc_get_video_supported_formats(
2094                                                                 private_output->output_backend, formats, count);
2095
2096         _pthread_mutex_unlock(&private_display->lock);
2097
2098         return ret;
2099 }
2100
2101 static int
2102 _is_hwc_output_still_existed(tdm_private_output *private_output)
2103 {
2104         tdm_private_module *private_module = private_output->private_module;
2105         tdm_private_output *o = NULL;
2106
2107         LIST_FOR_EACH_ENTRY(o, &private_module->output_list, link) {
2108                 if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
2109                         continue;
2110
2111                 if (o == private_output)
2112                         goto exist;
2113         }
2114
2115         return 0;
2116
2117 exist:
2118         return 1;
2119 }
2120
2121 /* gets called on behalf of the ecore-main-loop thread */
2122 INTERN void
2123 tdm_output_need_validate_handler_thread(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
2124 {
2125         tdm_private_output *private_output = object;
2126
2127         TDM_RETURN_IF_FAIL(private_output != NULL);
2128
2129         _pthread_mutex_lock(&private_display->lock);
2130
2131         /* as we get 'private_output' within an event, an output this 'private_output'
2132          * points to can be destroyed already */
2133         if (!_is_hwc_output_still_existed(private_output)) {
2134                 _pthread_mutex_unlock(&private_display->lock);
2135                 return;
2136         }
2137
2138         _pthread_mutex_unlock(&private_display->lock);
2139
2140         TDM_INFO("tdm-backend asks for revalidation for the output:%p.", private_output);
2141
2142         if (private_output->need_validate.hndl)
2143                 private_output->need_validate.hndl((tdm_output*)private_output);
2144 }
2145
2146 /* gets called on behalf of the tdm-thread */
2147 static tdm_error
2148 _need_validate_handler(int fd, tdm_event_loop_mask mask, void *user_data)
2149 {
2150         tdm_thread_cb_need_validate ev;
2151         tdm_private_output *private_output;
2152         tdm_error ret;
2153         uint64_t value;
2154
2155         private_output = (tdm_private_output *)user_data;
2156
2157         if (read(private_output->need_validate.event_fd, &value, sizeof(value)) < 0) {
2158                 TDM_ERR("error while trying to read from a need_validate.event_fd fd.");
2159                 return TDM_ERROR_OPERATION_FAILED;
2160         }
2161
2162         memset(&ev, 0, sizeof ev);
2163         ev.base.type = TDM_THREAD_CB_NEED_VALIDATE;
2164         ev.base.length = sizeof ev;
2165         ev.base.object_stamp = private_output->stamp;
2166         ev.base.data = NULL;
2167         ev.base.sync = 0;
2168
2169         ret = tdm_thread_cb_call(private_output, &ev.base);
2170         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
2171
2172         TDM_INFO("tdm-thread: get a 'need to revalidate' event for the ouptut:%p.", private_output);
2173
2174         /* who cares about this? */
2175         return TDM_ERROR_NONE;
2176 }
2177
2178 INTERN tdm_error
2179 tdm_output_need_validate_event_init(tdm_output *output)
2180 {
2181         int fd;
2182
2183         OUTPUT_FUNC_ENTRY();
2184
2185         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), TDM_ERROR_OPERATION_FAILED);
2186
2187         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
2188                 TDM_ERR("output(%p) not support HWC", private_output);
2189                 return TDM_ERROR_BAD_REQUEST;
2190         }
2191
2192         /* build in eventfd fds into event_loop listened & handled by the tdm-thread */
2193         fd = eventfd(0, 0);
2194         TDM_WARNING_IF_FAIL(fd >= 0);
2195
2196         private_output->need_validate.event_source = tdm_event_loop_add_fd_handler(private_display,
2197                         fd,     TDM_EVENT_LOOP_READABLE, _need_validate_handler, private_output, &ret);
2198         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
2199
2200         private_output->need_validate.event_fd = fd;
2201
2202         TDM_INFO("register an output:%p for the revalidation, event_fd:%d.", private_output, fd);
2203
2204         return ret;
2205 }
2206
2207 INTERN tdm_error
2208 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
2209 {
2210         if (!private_output)
2211                 return TDM_ERROR_INVALID_PARAMETER;
2212
2213         if (mode < 0 || mode > 2)
2214                 return TDM_ERROR_INVALID_PARAMETER;
2215
2216         private_output->commit_per_vblank = mode;
2217
2218         if (private_output->commit_per_vblank == 0)
2219                 TDM_INFO("commit per vblank: disable");
2220         else if (private_output->commit_per_vblank == 1)
2221                 TDM_INFO("commit per vblank: enable (1 layer)");
2222         else if (private_output->commit_per_vblank == 2)
2223                 TDM_INFO("commit per vblank: enable (previous commit)");
2224
2225         return TDM_ERROR_NONE;
2226 }