src/tdm_output.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <sc1.lim@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include "tdm_private.h"
  41
  42 #define COUNT_MAX   10
  43
  44 #define OUTPUT_FUNC_ENTRY() \
  45         tdm_private_display *private_display; \
  46         tdm_private_output *private_output; \
  47         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  48         TDM_RETURN_VAL_IF_FAIL(tdm_output_is_valid(output), TDM_ERROR_INVALID_PARAMETER); \
  49         private_output = (tdm_private_output*)output; \
  50         private_display = private_output->private_display
  51
  52 #define OUTPUT_FUNC_ENTRY_ERROR() \
  53         tdm_private_display *private_display; \
  54         tdm_private_output *private_output; \
  55         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  56         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(tdm_output_is_valid(output), TDM_ERROR_INVALID_PARAMETER, NULL); \
  57         private_output = (tdm_private_output*)output; \
  58         private_display = private_output->private_display
  59
  60 static void
  61 _tdm_output_vblank_timeout_update(tdm_private_output *private_output, int ms_delay);
  62
  63 static tdm_error
  64 _tdm_output_vblank_timeout_cb(void *user_data)
  65 {
  66         tdm_private_output *private_output = user_data;
  67         tdm_private_output_vblank_handler *v = NULL;
  68
  69         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OPERATION_FAILED);
  70
  71         private_output->vblank_timeout_timer_expired++;
  72
  73         TDM_ERR("TDM output(%d) vblank TIMEOUT!! (%d time%s)",
  74                         private_output->pipe,
  75                         private_output->vblank_timeout_timer_expired,
  76                         (private_output->vblank_timeout_timer_expired > 1) ? "s" : "");
  77
  78         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
  79                 TDM_ERR("vblank_handler(%p) interval(%d) sync(%d) sent_to_frontend(%u) owner_tid(%d)",
  80                                 v, v->interval, v->sync, v->sent_to_frontend, v->owner_tid);
  81         }
  82
  83         return TDM_ERROR_NONE;
  84 }
  85
  86 INTERN void
  87 tdm_output_vblank_print_wait_information(tdm_private_output *private_output, void *user_data)
  88 {
  89         tdm_private_output_vblank_handler *v = NULL;
  90
  91         TDM_RETURN_IF_FAIL(private_output != NULL);
  92         TDM_RETURN_IF_FAIL(user_data != NULL);
  93
  94         TDM_ERR("TDM output(%d) vblank user_data(%p) info!!", private_output->pipe, user_data);
  95
  96         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
  97                 if (v->user_data != user_data)
  98                         continue;
  99                 TDM_ERR("vblank_handler(%p) interval(%d) sync(%d) sent_to_frontend(%u) owner_tid(%d)",
 100                                 v, v->interval, v->sync, v->sent_to_frontend, v->owner_tid);
 101         }
 102 }
 103
 104 static void
 105 _tdm_output_vblank_timeout_update(tdm_private_output *private_output, int ms_delay)
 106 {
 107         tdm_error ret;
 108
 109         if (!private_output->vblank_timeout_timer) {
 110                 private_output->vblank_timeout_timer =
 111                         tdm_event_loop_add_timer_handler(private_output->private_display,
 112                                                                                          _tdm_output_vblank_timeout_cb,
 113                                                                                          private_output,
 114                                                                                          &ret);
 115                 if (!private_output->vblank_timeout_timer) {
 116                         TDM_ERR("output(%d) couldn't add timer", private_output->pipe);
 117                         return;
 118                 }
 119                 TDM_INFO("output(%d) create vblank timeout timer", private_output->pipe);
 120                 private_output->vblank_timeout_timer_expired = 0;
 121         }
 122
 123         ret = tdm_event_loop_source_timer_update(private_output->vblank_timeout_timer, ms_delay);
 124         if (ret != TDM_ERROR_NONE) {
 125                 TDM_ERR("output(%d) couldn't update timer", private_output->pipe);
 126                 return;
 127         }
 128 }
 129
 130 static tdm_private_hwc_window *
 131 _tdm_output_find_private_hwc_window(tdm_private_output *private_output,
 132                                                                 tdm_hwc_window *hwc_window_backend)
 133 {
 134         tdm_private_hwc_window *private_hwc_window = NULL;
 135
 136         LIST_FOR_EACH_ENTRY(private_hwc_window, &private_output->hwc_window_list, link) {
 137                 if (private_hwc_window->hwc_window_backend == hwc_window_backend)
 138                         return private_hwc_window;
 139         }
 140
 141         return NULL;
 142 }
 143
 144 INTERN tdm_error
 145 tdm_output_init(tdm_private_display *private_display)
 146 {
 147         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_COMMIT, tdm_display_find_output_stamp);
 148         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_VBLANK, tdm_display_find_output_stamp);
 149         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_CHANGE, tdm_display_find_output_stamp);
 150
 151         return TDM_ERROR_NONE;
 152 }
 153
 154 EXTERN tdm_backend *
 155 tdm_output_get_backend(tdm_output *output, tdm_error *error)
 156 {
 157         tdm_private_backend *private_backend;
 158
 159         OUTPUT_FUNC_ENTRY_ERROR();
 160
 161         _pthread_mutex_lock(&private_display->lock);
 162
 163         private_backend = private_output->private_backend;
 164
 165         if (error)
 166                 *error = TDM_ERROR_NONE;
 167
 168         _pthread_mutex_unlock(&private_display->lock);
 169
 170         return private_backend;
 171 }
 172
 173 EXTERN tdm_error
 174 tdm_output_get_model_info(tdm_output *output, const char **maker,
 175                                                   const char **model, const char **name)
 176 {
 177         OUTPUT_FUNC_ENTRY();
 178
 179         _pthread_mutex_lock(&private_display->lock);
 180
 181         if (maker)
 182                 *maker = private_output->caps.maker;
 183         if (model)
 184                 *model = private_output->caps.model;
 185         if (name)
 186                 *name = private_output->caps.name;
 187
 188         _pthread_mutex_unlock(&private_display->lock);
 189
 190         return ret;
 191 }
 192
 193 EXTERN tdm_error
 194 tdm_output_get_capabilities(tdm_output *output, tdm_output_capability *capabilities)
 195 {
 196         OUTPUT_FUNC_ENTRY();
 197
 198         TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 199
 200         _pthread_mutex_lock(&private_display->lock);
 201
 202         *capabilities = private_output->caps.capabilities;
 203
 204         _pthread_mutex_unlock(&private_display->lock);
 205
 206         return ret;
 207 }
 208
 209 EXTERN tdm_error
 210 tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status)
 211 {
 212         OUTPUT_FUNC_ENTRY();
 213
 214         TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 215
 216         _pthread_mutex_lock(&private_display->lock);
 217
 218         *status = private_output->caps.status;
 219
 220         _pthread_mutex_unlock(&private_display->lock);
 221
 222         return ret;
 223 }
 224
 225 INTERN void
 226 tdm_output_thread_cb_change(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 227 {
 228         tdm_private_output *private_output = object;
 229         tdm_thread_cb_output_change *output_change = (tdm_thread_cb_output_change *)cb_base;
 230         tdm_private_output_change_handler *change_handler = user_data;
 231
 232         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 233
 234         assert(change_handler->owner_tid == syscall(SYS_gettid));
 235
 236         _pthread_mutex_unlock(&private_display->lock);
 237         change_handler->func(private_output, output_change->type, output_change->value, change_handler->user_data);
 238         _pthread_mutex_lock(&private_display->lock);
 239 }
 240
 241 static tdm_error
 242 _tdm_output_call_thread_cb_change(tdm_private_output *private_output, tdm_output_change_type type, tdm_value value)
 243 {
 244         tdm_thread_cb_output_change output_change;
 245         tdm_error ret;
 246
 247         memset(&output_change, 0, sizeof output_change);
 248         output_change.base.type = TDM_THREAD_CB_OUTPUT_CHANGE;
 249         output_change.base.length = sizeof output_change;
 250         output_change.base.object_stamp = private_output->stamp;
 251         output_change.base.data = NULL;
 252         output_change.base.sync = 1;
 253         output_change.type = type;
 254         output_change.value = value;
 255
 256         ret = tdm_thread_cb_call(private_output, &output_change.base);
 257         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 258
 259         return TDM_ERROR_NONE;
 260 }
 261
 262 INTERN void
 263 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status, void *user_data)
 264 {
 265         tdm_private_output *private_output = user_data;
 266         tdm_value value;
 267         tdm_error ret;
 268
 269         TDM_RETURN_IF_FAIL(private_output);
 270
 271         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(status));
 272
 273         if ((private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED && status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) ||
 274                 (private_output->caps.status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED && status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)) {
 275                 ret = tdm_display_update_output(private_output->private_backend, output_backend, private_output->pipe, 1);
 276                 TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 277         } else {
 278                 private_output->caps.status = status;
 279         }
 280
 281         value.u32 = status;
 282
 283         ret = _tdm_output_call_thread_cb_change(private_output, TDM_OUTPUT_CHANGE_CONNECTION, value);
 284         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 285 }
 286
 287 INTERN void
 288 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms, void *user_data)
 289 {
 290         tdm_private_output *private_output = user_data;
 291         tdm_value value;
 292         tdm_error ret;
 293
 294         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(dpms));
 295
 296         private_output->current_dpms_value = dpms;
 297         private_output->waiting_dpms_change = 0;
 298         TDM_INFO("output(%d) dpms async '%s' done", private_output->pipe, tdm_dpms_str(dpms));
 299
 300         value.u32 = dpms;
 301
 302         ret = _tdm_output_call_thread_cb_change(private_output, TDM_OUTPUT_CHANGE_DPMS, value);
 303         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 304 }
 305
 306 EXTERN tdm_error
 307 tdm_output_add_change_handler(tdm_output *output,
 308                                                           tdm_output_change_handler func,
 309                                                           void *user_data)
 310 {
 311         tdm_private_output_change_handler *change_handler = NULL;
 312         OUTPUT_FUNC_ENTRY();
 313
 314         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 315
 316         _pthread_mutex_lock(&private_display->lock);
 317
 318         LIST_FOR_EACH_ENTRY(change_handler, &private_output->change_handler_list, link) {
 319                 if (change_handler->func == func && change_handler->user_data == user_data) {
 320                         TDM_ERR("can't add twice");
 321                         _pthread_mutex_unlock(&private_display->lock);
 322                         return TDM_ERROR_BAD_REQUEST;
 323                 }
 324         }
 325
 326         change_handler = calloc(1, sizeof(tdm_private_output_change_handler));
 327         if (!change_handler) {
 328                 /* LCOV_EXCL_START */
 329                 TDM_ERR("failed: alloc memory");
 330                 _pthread_mutex_unlock(&private_display->lock);
 331                 return TDM_ERROR_OUT_OF_MEMORY;
 332                 /* LCOV_EXCL_STOP */
 333         }
 334
 335         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_CHANGE, NULL, tdm_output_thread_cb_change, change_handler);
 336         if (ret != TDM_ERROR_NONE) {
 337                 /* LCOV_EXCL_START */
 338                 TDM_ERR("tdm_thread_cb_add failed");
 339                 free(change_handler);
 340                 _pthread_mutex_unlock(&private_display->lock);
 341                 return TDM_ERROR_OPERATION_FAILED;
 342                 /* LCOV_EXCL_STOP */
 343         }
 344
 345         change_handler->private_output = private_output;
 346         change_handler->func = func;
 347         change_handler->user_data = user_data;
 348         change_handler->owner_tid = syscall(SYS_gettid);
 349
 350         LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list);
 351
 352         _pthread_mutex_unlock(&private_display->lock);
 353
 354         return ret;
 355 }
 356
 357 EXTERN void
 358 tdm_output_remove_change_handler(tdm_output *output,
 359                                                                  tdm_output_change_handler func,
 360                                                                  void *user_data)
 361 {
 362         tdm_private_display *private_display;
 363         tdm_private_output *private_output;
 364         tdm_private_output_change_handler *change_handler = NULL, *hh = NULL;
 365
 366         TDM_RETURN_IF_FAIL(tdm_output_is_valid(output));
 367         TDM_RETURN_IF_FAIL(func != NULL);
 368
 369         private_output = (tdm_private_output*)output;
 370         private_display = private_output->private_display;
 371
 372         _pthread_mutex_lock(&private_display->lock);
 373
 374         LIST_FOR_EACH_ENTRY_SAFE(change_handler, hh, &private_output->change_handler_list, link) {
 375                 if (change_handler->func != func || change_handler->user_data != user_data)
 376                         continue;
 377
 378                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_CHANGE, NULL, tdm_output_thread_cb_change, change_handler);
 379
 380                 LIST_DEL(&change_handler->link);
 381                 free(change_handler);
 382
 383                 _pthread_mutex_unlock(&private_display->lock);
 384
 385                 return;
 386         }
 387
 388         _pthread_mutex_unlock(&private_display->lock);
 389 }
 390
 391 EXTERN tdm_error
 392 tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
 393 {
 394         OUTPUT_FUNC_ENTRY();
 395
 396         TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
 397
 398         _pthread_mutex_lock(&private_display->lock);
 399
 400         *type = private_output->caps.type;
 401
 402         _pthread_mutex_unlock(&private_display->lock);
 403
 404         return ret;
 405 }
 406
 407 EXTERN tdm_error
 408 tdm_output_get_layer_count(tdm_output *output, int *count)
 409 {
 410         tdm_private_layer *private_layer = NULL;
 411
 412         OUTPUT_FUNC_ENTRY();
 413
 414         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 415
 416         _pthread_mutex_lock(&private_display->lock);
 417
 418         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 419                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 420                 *count = 0;
 421                 _pthread_mutex_unlock(&private_display->lock);
 422                 return TDM_ERROR_BAD_REQUEST;
 423         }
 424
 425         *count = 0;
 426         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
 427         (*count)++;
 428         if (*count == 0) {
 429                 _pthread_mutex_unlock(&private_display->lock);
 430                 return TDM_ERROR_NONE;
 431         }
 432
 433         _pthread_mutex_unlock(&private_display->lock);
 434
 435         return ret;
 436 }
 437
 438
 439 EXTERN tdm_layer *
 440 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 441 {
 442         tdm_private_layer *private_layer = NULL;
 443
 444         OUTPUT_FUNC_ENTRY_ERROR();
 445
 446         _pthread_mutex_lock(&private_display->lock);
 447
 448         if (error)
 449                 *error = TDM_ERROR_NONE;
 450
 451         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 452                 _pthread_mutex_unlock(&private_display->lock);
 453                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 454                 if (error)
 455                         *error = TDM_ERROR_BAD_REQUEST;
 456                 return NULL;
 457         }
 458
 459         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 460                 if (private_layer->index == index) {
 461                         _pthread_mutex_unlock(&private_display->lock);
 462                         return private_layer;
 463                 }
 464         }
 465
 466         _pthread_mutex_unlock(&private_display->lock);
 467
 468         return NULL;
 469 }
 470
 471 EXTERN tdm_error
 472 tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
 473                                                                         int *count)
 474 {
 475         OUTPUT_FUNC_ENTRY();
 476
 477         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 478         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 479
 480         _pthread_mutex_lock(&private_display->lock);
 481
 482         *props = (const tdm_prop *)private_output->caps.props;
 483         *count = private_output->caps.prop_count;
 484
 485         _pthread_mutex_unlock(&private_display->lock);
 486
 487         return ret;
 488 }
 489
 490 EXTERN tdm_error
 491 tdm_output_get_available_modes(tdm_output *output,
 492                                                            const tdm_output_mode **modes, int *count)
 493 {
 494         OUTPUT_FUNC_ENTRY();
 495
 496         TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
 497         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 498
 499         _pthread_mutex_lock(&private_display->lock);
 500
 501         *modes = (const tdm_output_mode *)private_output->caps.modes;
 502         *count = private_output->caps.mode_count;
 503
 504         _pthread_mutex_unlock(&private_display->lock);
 505
 506         return ret;
 507 }
 508
 509 EXTERN tdm_error
 510 tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
 511                                                           int *max_w, int *max_h, int *preferred_align)
 512 {
 513         OUTPUT_FUNC_ENTRY();
 514
 515         _pthread_mutex_lock(&private_display->lock);
 516
 517         if (min_w)
 518                 *min_w = TDM_FRONT_VALUE(private_output->caps.min_w);
 519         if (min_h)
 520                 *min_h = TDM_FRONT_VALUE(private_output->caps.min_h);
 521         if (max_w)
 522                 *max_w = TDM_FRONT_VALUE(private_output->caps.max_w);
 523         if (max_h)
 524                 *max_h = TDM_FRONT_VALUE(private_output->caps.max_h);
 525         if (preferred_align)
 526                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.preferred_align);
 527
 528         _pthread_mutex_unlock(&private_display->lock);
 529
 530         return ret;
 531 }
 532
 533 EXTERN tdm_error
 534 tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
 535                                                                          int *max_w, int *max_h, int *preferred_align)
 536 {
 537         OUTPUT_FUNC_ENTRY();
 538
 539         _pthread_mutex_lock(&private_display->lock);
 540
 541         if (!tdm_backend_check_module_abi(private_output->private_backend, 1, 5)) {
 542                 _pthread_mutex_unlock(&private_display->lock);
 543                 return TDM_ERROR_BAD_REQUEST;
 544         }
 545
 546         if (min_w)
 547                 *min_w = TDM_FRONT_VALUE(private_output->caps.cursor_min_w);
 548         if (min_h)
 549                 *min_h = TDM_FRONT_VALUE(private_output->caps.cursor_min_h);
 550         if (max_w)
 551                 *max_w = TDM_FRONT_VALUE(private_output->caps.cursor_max_w);
 552         if (max_h)
 553                 *max_h = TDM_FRONT_VALUE(private_output->caps.cursor_max_h);
 554         if (preferred_align)
 555                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.cursor_preferred_align);
 556
 557         _pthread_mutex_unlock(&private_display->lock);
 558
 559         return ret;
 560 }
 561
 562 EXTERN tdm_error
 563 tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
 564                                                          unsigned int *mmHeight)
 565 {
 566         OUTPUT_FUNC_ENTRY();
 567
 568         _pthread_mutex_lock(&private_display->lock);
 569
 570         if (mmWidth)
 571                 *mmWidth = private_output->caps.mmWidth;
 572         if (mmHeight)
 573                 *mmHeight = private_output->caps.mmHeight;
 574
 575         _pthread_mutex_unlock(&private_display->lock);
 576
 577         return ret;
 578 }
 579
 580 EXTERN tdm_error
 581 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
 582 {
 583         OUTPUT_FUNC_ENTRY();
 584         TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
 585
 586         _pthread_mutex_lock(&private_display->lock);
 587
 588         *subpixel = private_output->caps.subpixel;
 589
 590         _pthread_mutex_unlock(&private_display->lock);
 591
 592         return ret;
 593 }
 594
 595 EXTERN tdm_error
 596 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
 597 {
 598         OUTPUT_FUNC_ENTRY();
 599         TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
 600
 601         _pthread_mutex_lock(&private_display->lock);
 602
 603         *pipe = private_output->pipe;
 604
 605         _pthread_mutex_unlock(&private_display->lock);
 606
 607         return ret;
 608 }
 609
 610 EXTERN tdm_error
 611 tdm_output_get_primary_index(tdm_output *output, int *index)
 612 {
 613         tdm_private_layer *private_layer = NULL;
 614
 615         OUTPUT_FUNC_ENTRY();
 616         TDM_RETURN_VAL_IF_FAIL(index != NULL, TDM_ERROR_INVALID_PARAMETER);
 617
 618         _pthread_mutex_lock(&private_display->lock);
 619
 620         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 621                 if (private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_PRIMARY) {
 622                         *index = private_layer->index;
 623                         break;
 624                 }
 625         }
 626
 627         _pthread_mutex_unlock(&private_display->lock);
 628
 629         return ret;
 630 }
 631
 632 EXTERN tdm_error
 633 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
 634 {
 635         tdm_private_backend *private_backend;
 636         tdm_func_output *func_output;
 637         OUTPUT_FUNC_ENTRY();
 638
 639         _pthread_mutex_lock(&private_display->lock);
 640
 641         private_backend = private_output->private_backend;
 642         func_output = &private_backend->func_output;
 643
 644         if (!func_output->output_set_property) {
 645                 /* LCOV_EXCL_START */
 646                 _pthread_mutex_unlock(&private_display->lock);
 647                 TDM_WRN("not implemented!!");
 648                 return TDM_ERROR_NOT_IMPLEMENTED;
 649                 /* LCOV_EXCL_STOP */
 650         }
 651
 652         ret = func_output->output_set_property(private_output->output_backend, id,
 653                                                                                    value);
 654
 655         _pthread_mutex_unlock(&private_display->lock);
 656
 657         return ret;
 658 }
 659
 660 EXTERN tdm_error
 661 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 662 {
 663         tdm_private_backend *private_backend;
 664         tdm_func_output *func_output;
 665         OUTPUT_FUNC_ENTRY();
 666
 667         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 668
 669         _pthread_mutex_lock(&private_display->lock);
 670
 671         private_backend = private_output->private_backend;
 672         func_output = &private_backend->func_output;
 673
 674         if (!func_output->output_get_property) {
 675                 /* LCOV_EXCL_START */
 676                 _pthread_mutex_unlock(&private_display->lock);
 677                 TDM_WRN("not implemented!!");
 678                 return TDM_ERROR_NOT_IMPLEMENTED;
 679                 /* LCOV_EXCL_STOP */
 680         }
 681
 682         ret = func_output->output_get_property(private_output->output_backend, id,
 683                                                                                    value);
 684
 685         _pthread_mutex_unlock(&private_display->lock);
 686
 687         return ret;
 688 }
 689
 690 static void
 691 _tdm_output_thread_cb_vblank(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 692 {
 693         tdm_thread_cb_output_vblank *output_vblank = (tdm_thread_cb_output_vblank *)cb_base;
 694         tdm_private_output_vblank_handler *vblank_handler = output_vblank->base.data;
 695         tdm_private_output_vblank_handler *v = NULL, *vv = NULL;
 696         tdm_private_output *private_output = object;
 697         struct list_head clone_list;
 698         int interval, sync;
 699         pid_t tid = syscall(SYS_gettid);
 700
 701         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 702
 703         assert(vblank_handler->owner_tid == tid);
 704
 705         vblank_handler->sent_to_frontend = 0;
 706
 707         _tdm_output_vblank_timeout_update(private_output, 0);
 708
 709         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 710
 711         interval = vblank_handler->interval;
 712         sync = vblank_handler->sync;
 713
 714         LIST_INITHEAD(&clone_list);
 715
 716         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 717                 if (v->interval != interval || v->sync != sync || v->owner_tid != tid)
 718                         continue;
 719
 720                 LIST_DEL(&v->link);
 721                 LIST_ADDTAIL(&v->link, &clone_list);
 722         }
 723
 724         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 725                 TDM_INFO("----------------------------------------- output(%d) got vblank", private_output->pipe);
 726
 727         _pthread_mutex_unlock(&private_display->lock);
 728         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &clone_list, link) {
 729                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 730                         TDM_INFO("handler(%p)", v);
 731
 732                 LIST_DEL(&v->link);
 733
 734                 if (v->func)
 735                         v->func(v->private_output,
 736                                         output_vblank->sequence,
 737                                         output_vblank->tv_sec,
 738                                         output_vblank->tv_usec,
 739                                         v->user_data);
 740
 741                 free(v);
 742         }
 743         _pthread_mutex_lock(&private_display->lock);
 744
 745         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 746                 TDM_INFO("-----------------------------------------...");
 747 }
 748
 749 static void
 750 _tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 751                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 752 {
 753         tdm_private_output_vblank_handler *vblank_handler = user_data;
 754         tdm_thread_cb_output_vblank output_vblank;
 755         tdm_error ret;
 756
 757         memset(&output_vblank, 0, sizeof output_vblank);
 758         output_vblank.base.type = TDM_THREAD_CB_OUTPUT_VBLANK;
 759         output_vblank.base.length = sizeof output_vblank;
 760         output_vblank.base.object_stamp = vblank_handler->private_output->stamp;
 761         output_vblank.base.data = vblank_handler;
 762         output_vblank.base.sync = 0;
 763         output_vblank.sequence = sequence;
 764         output_vblank.tv_sec = tv_sec;
 765         output_vblank.tv_usec = tv_usec;
 766
 767         vblank_handler->sent_to_frontend = 1;
 768
 769         ret = tdm_thread_cb_call(vblank_handler->private_output, &output_vblank.base);
 770         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 771 }
 772
 773 static void
 774 _tdm_output_thread_cb_commit(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 775 {
 776         tdm_thread_cb_output_commit *output_commit = (tdm_thread_cb_output_commit *)cb_base;
 777         tdm_private_output_commit_handler *output_commit_handler = output_commit->base.data;
 778         tdm_private_output *private_output = object;
 779         tdm_private_layer *private_layer = NULL;
 780
 781         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 782
 783         if (!output_commit_handler)
 784                 return;
 785
 786         assert(output_commit_handler->owner_tid == syscall(SYS_gettid));
 787
 788         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
 789
 790         LIST_DEL(&output_commit_handler->link);
 791
 792         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
 793                 TDM_INFO("----------------------------------------- output(%d) committed", private_output->pipe);
 794                 TDM_INFO("handler(%p)", output_commit_handler);
 795         }
 796
 797         if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
 798                 /* In case of layer commit, the below will be handled in the layer commit callback */
 799                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 800                         if (private_layer->committed_buffer)
 801                                 tdm_layer_committed(private_layer, &private_layer->committed_buffer);
 802                 }
 803         }
 804
 805         if (output_commit_handler->func) {
 806                 _pthread_mutex_unlock(&private_display->lock);
 807                 output_commit_handler->func(private_output,
 808                                                                         output_commit->sequence,
 809                                                                         output_commit->tv_sec,
 810                                                                         output_commit->tv_usec,
 811                                                                         output_commit_handler->user_data);
 812                 _pthread_mutex_lock(&private_display->lock);
 813         }
 814
 815         free(output_commit_handler);
 816
 817         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 818                 TDM_INFO("-----------------------------------------...");
 819 }
 820
 821 static void
 822 _tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 823                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 824 {
 825         tdm_private_output_commit_handler *output_commit_handler = user_data;
 826         tdm_private_output *private_output;
 827         tdm_thread_cb_output_commit output_commit;
 828         tdm_error ret;
 829
 830         if (output_commit_handler)
 831                 private_output = output_commit_handler->private_output;
 832         else
 833                 private_output = tdm_display_find_private_output(tdm_display_get(), output_backend);
 834
 835         memset(&output_commit, 0, sizeof output_commit);
 836         output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
 837         output_commit.base.length = sizeof output_commit;
 838         output_commit.base.object_stamp = private_output->stamp;
 839         output_commit.base.data = output_commit_handler;
 840         output_commit.base.sync = 0;
 841         output_commit.sequence = sequence;
 842         output_commit.tv_sec = tv_sec;
 843         output_commit.tv_usec = tv_usec;
 844
 845         ret = tdm_thread_cb_call(private_output, &output_commit.base);
 846         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 847 }
 848
 849 /* add_front: To distinguish between the user vblank handlers and the layer
 850  *            commit vblank handlers. The layer commit handlers will be called
 851  *            before calling the user vblank handlers.
 852  */
 853 static tdm_error
 854 _tdm_output_wait_vblank(tdm_private_output *private_output, int interval, int sync,
 855                                                 tdm_output_vblank_handler func, void *user_data,
 856                                                 unsigned int add_front)
 857 {
 858         tdm_private_backend *private_backend;
 859         tdm_func_output *func_output;
 860         tdm_private_output_vblank_handler *vblank_handler = NULL, *v = NULL;
 861         unsigned int skip_request = 0;
 862         pid_t tid = syscall(SYS_gettid);
 863         tdm_error ret = TDM_ERROR_NONE;
 864
 865         private_backend = private_output->private_backend;
 866         func_output = &private_backend->func_output;
 867
 868         /* interval SHOULD be at least 1 */
 869         if (interval <= 0)
 870                 interval = 1;
 871
 872         if (!func_output->output_wait_vblank) {
 873                 /* LCOV_EXCL_START */
 874                 TDM_WRN("not implemented!!");
 875                 return TDM_ERROR_NOT_IMPLEMENTED;
 876                 /* LCOV_EXCL_STOP */
 877         }
 878
 879         if (!private_output->regist_vblank_cb) {
 880                 private_output->regist_vblank_cb = 1;
 881                 ret = func_output->output_set_vblank_handler(private_output->output_backend,
 882                                 _tdm_output_cb_vblank);
 883         }
 884
 885         vblank_handler = calloc(1, sizeof(tdm_private_output_vblank_handler));
 886         if (!vblank_handler) {
 887                 /* LCOV_EXCL_START */
 888                 TDM_ERR("failed: alloc memory");
 889                 return TDM_ERROR_OUT_OF_MEMORY;
 890                 /* LCOV_EXCL_STOP */
 891         }
 892
 893         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 894                 TDM_INFO("output(%d) wait_vblank: handler(%p)", private_output->pipe, vblank_handler);
 895
 896         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 897                 if (v->interval == interval && v->sync == sync && v->owner_tid == tid) {
 898                         skip_request = 1;
 899                         break;
 900                 }
 901         }
 902
 903         if (add_front)
 904                 LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
 905         else
 906                 LIST_ADDTAIL(&vblank_handler->link, &private_output->vblank_handler_list);
 907
 908         vblank_handler->private_output = private_output;
 909         vblank_handler->interval = interval;
 910         vblank_handler->sync = sync;
 911         vblank_handler->func = func;
 912         vblank_handler->user_data = user_data;
 913         vblank_handler->owner_tid = tid;
 914
 915         /* If there is the previous request, we can skip to call output_wait_vblank() */
 916         if (!skip_request) {
 917                 ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 918                 if (ret != TDM_ERROR_NONE) {
 919                         TDM_ERR("tdm_thread_cb_add failed");
 920                         goto wait_failed;
 921                 }
 922
 923                 ret = func_output->output_wait_vblank(private_output->output_backend, interval,
 924                                                                                           sync, vblank_handler);
 925                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 926
 927                 _tdm_output_vblank_timeout_update(private_output, 1000);
 928
 929                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 930                         TDM_INFO("output(%d) backend wait_vblank", private_output->pipe);
 931         }
 932
 933         return ret;
 934
 935 wait_failed:
 936         /* LCOV_EXCL_START */
 937         if (vblank_handler) {
 938                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 939                 LIST_DEL(&vblank_handler->link);
 940                 free(vblank_handler);
 941         }
 942         return ret;
 943         /* LCOV_EXCL_STOP */
 944 }
 945
 946 EXTERN tdm_error
 947 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 948                                            tdm_output_vblank_handler func, void *user_data)
 949 {
 950         OUTPUT_FUNC_ENTRY();
 951         TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_ERROR_INVALID_PARAMETER);
 952
 953         _pthread_mutex_lock(&private_display->lock);
 954
 955         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 956                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 957                                 tdm_dpms_str(private_output->current_dpms_value));
 958                 _pthread_mutex_unlock(&private_display->lock);
 959                 return TDM_ERROR_DPMS_OFF;
 960         }
 961
 962         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 0);
 963
 964         _pthread_mutex_unlock(&private_display->lock);
 965
 966         return ret;
 967 }
 968
 969 /* LCOV_EXCL_START */
 970 EXTERN tdm_error
 971 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
 972                                                                  tdm_output_vblank_handler func, void *user_data)
 973 {
 974         OUTPUT_FUNC_ENTRY();
 975
 976         _pthread_mutex_lock(&private_display->lock);
 977
 978         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 979                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 980                                 tdm_dpms_str(private_output->current_dpms_value));
 981                 _pthread_mutex_unlock(&private_display->lock);
 982                 return TDM_ERROR_DPMS_OFF;
 983         }
 984
 985         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 1);
 986
 987         _pthread_mutex_unlock(&private_display->lock);
 988
 989         return ret;
 990 }
 991 /* LCOV_EXCL_STOP */
 992
 993 INTERN void
 994 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
 995 {
 996         tdm_private_output *private_output = (tdm_private_output*)output;
 997         tdm_private_output_vblank_handler *v = NULL;
 998
 999         TDM_RETURN_IF_FAIL(private_output != NULL);
1000         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1001
1002         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
1003                 if (v->func == func && v->user_data == user_data) {
1004                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1005                         v->func = NULL;
1006                         v->user_data = NULL;
1007                         break;
1008                 }
1009         }
1010 }
1011
1012 INTERN void
1013 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1014 {
1015         tdm_private_output *private_output = (tdm_private_output*)output;
1016         tdm_private_output_commit_handler *c = NULL;
1017
1018         TDM_RETURN_IF_FAIL(private_output != NULL);
1019         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1020
1021         LIST_FOR_EACH_ENTRY(c, &private_output->output_commit_handler_list, link) {
1022                 if (c->func == func && c->user_data == user_data) {
1023                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1024                         c->func = NULL;
1025                         c->user_data = NULL;
1026                         break;
1027                 }
1028         }
1029 }
1030
1031 EXTERN tdm_error
1032 tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
1033 {
1034         OUTPUT_FUNC_ENTRY();
1035
1036         _pthread_mutex_lock(&private_display->lock);
1037
1038         tdm_output_remove_vblank_handler_internal(output, func, user_data);
1039
1040         _pthread_mutex_unlock(&private_display->lock);
1041
1042         return ret;
1043 }
1044
1045 EXTERN tdm_error
1046 tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1047 {
1048         OUTPUT_FUNC_ENTRY();
1049
1050         _pthread_mutex_lock(&private_display->lock);
1051
1052         tdm_output_remove_commit_handler_internal(output, func, user_data);
1053
1054         _pthread_mutex_unlock(&private_display->lock);
1055
1056         return ret;
1057 }
1058
1059 INTERN tdm_error
1060 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
1061 {
1062         tdm_private_output *private_output;
1063         tdm_private_backend *private_backend;
1064         tdm_func_output *func_output;
1065         tdm_private_output_commit_handler *output_commit_handler = NULL;
1066         tdm_private_layer *private_layer = NULL;
1067         tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
1068         tdm_error ret = TDM_ERROR_NONE;
1069
1070         TDM_RETURN_VAL_IF_FAIL(tdm_output_is_valid(output), TDM_ERROR_INVALID_PARAMETER);
1071
1072         private_output = (tdm_private_output*)output;
1073         private_backend = private_output->private_backend;
1074         func_output = &private_backend->func_output;
1075
1076         if (!func_output->output_commit) {
1077                 /* LCOV_EXCL_START */
1078                 TDM_WRN("not implemented!!");
1079                 return TDM_ERROR_NOT_IMPLEMENTED;
1080                 /* LCOV_EXCL_STOP */
1081         }
1082
1083         ret = tdm_output_get_dpms_internal(output, &dpms_value);
1084         TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
1085
1086         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1087                 if (func) {
1088                         if (!private_output->regist_commit_cb) {
1089                                 private_output->regist_commit_cb = 1;
1090                                 ret = func_output->output_set_commit_handler(private_output->output_backend, _tdm_output_cb_commit);
1091                                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1092                         }
1093
1094                         output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
1095                         if (!output_commit_handler) {
1096                                 /* LCOV_EXCL_START */
1097                                 TDM_ERR("failed: alloc memory");
1098                                 return TDM_ERROR_OUT_OF_MEMORY;
1099                                 /* LCOV_EXCL_STOP */
1100                         }
1101
1102                         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1103                         if (ret != TDM_ERROR_NONE) {
1104                                 TDM_ERR("tdm_thread_cb_add failed");
1105                                 free(output_commit_handler);
1106                                 return ret;
1107                         }
1108
1109                         LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
1110                         output_commit_handler->private_output = private_output;
1111                         output_commit_handler->func = func;
1112                         output_commit_handler->user_data = user_data;
1113                         output_commit_handler->owner_tid = syscall(SYS_gettid);
1114                 }
1115
1116                 ret = func_output->output_commit(private_output->output_backend, sync,
1117                                 output_commit_handler);
1118                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1119
1120                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
1121                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
1122                                         private_output->pipe, output_commit_handler, func, user_data);
1123         }
1124
1125         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
1126          * for tdm_layer_committed() function.
1127          */
1128         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1129                 if (!private_layer->waiting_buffer)
1130                         continue;
1131
1132                 private_layer->committed_buffer = private_layer->waiting_buffer;
1133                 private_layer->waiting_buffer = NULL;
1134                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1135                         TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
1136                                          private_layer, private_layer->waiting_buffer,
1137                                          private_layer->committed_buffer->buffer);
1138         }
1139
1140         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1141                 TDM_WRN("dpms %s. Directly call commit handler instead of commit.", tdm_dpms_str(dpms_value));
1142                 if (func)
1143                         func(output, 0, 0, 0, user_data);
1144         }
1145
1146         return ret;
1147
1148 commit_failed:
1149         /* LCOV_EXCL_START */
1150         if (output_commit_handler) {
1151                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1152                 LIST_DEL(&output_commit_handler->link);
1153                 free(output_commit_handler);
1154         }
1155         return ret;
1156         /* LCOV_EXCL_STOP */
1157 }
1158
1159 EXTERN tdm_error
1160 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
1161                                   void *user_data)
1162 {
1163         tdm_private_layer *private_layer = NULL;
1164
1165         OUTPUT_FUNC_ENTRY();
1166
1167         _pthread_mutex_lock(&private_display->lock);
1168
1169         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE)
1170                 private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
1171         else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1172                 TDM_ERR("Can't supported. Use tdm_layer_commit");
1173                 _pthread_mutex_unlock(&private_display->lock);
1174                 return TDM_ERROR_BAD_REQUEST;
1175         }
1176
1177         if (private_output->commit_per_vblank) {
1178                 TDM_ERR("Use tdm_layer_commit");
1179                 _pthread_mutex_unlock(&private_display->lock);
1180                 return TDM_ERROR_BAD_REQUEST;
1181         }
1182
1183         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1184                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
1185                                 tdm_dpms_str(private_output->current_dpms_value));
1186                 _pthread_mutex_unlock(&private_display->lock);
1187                 return TDM_ERROR_DPMS_OFF;
1188         }
1189
1190         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1191                 TDM_INFO("output(%d) commit", private_output->pipe);
1192
1193         /* apply the pending data of all layers */
1194         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1195                 tdm_layer_commit_pending_data(private_layer);
1196         }
1197
1198         ret = tdm_output_commit_internal(output, sync, func, user_data);
1199
1200         _pthread_mutex_unlock(&private_display->lock);
1201
1202         return ret;
1203 }
1204
1205 EXTERN tdm_error
1206 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
1207 {
1208         tdm_private_backend *private_backend;
1209         tdm_func_output *func_output;
1210         OUTPUT_FUNC_ENTRY();
1211
1212         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1213
1214         _pthread_mutex_lock(&private_display->lock);
1215
1216         private_backend = private_output->private_backend;
1217         func_output = &private_backend->func_output;
1218
1219         if (!func_output->output_set_mode) {
1220                 /* LCOV_EXCL_START */
1221                 _pthread_mutex_unlock(&private_display->lock);
1222                 TDM_WRN("not implemented!!");
1223                 return TDM_ERROR_NOT_IMPLEMENTED;
1224                 /* LCOV_EXCL_STOP */
1225         }
1226
1227         ret = func_output->output_set_mode(private_output->output_backend, mode);
1228         if (ret == TDM_ERROR_NONE) {
1229                 private_output->current_mode = mode;
1230                 private_output->need_set_target_info = 1;
1231                 TDM_INFO("mode: %dx%d %dhz", mode->hdisplay, mode->vdisplay, mode->vrefresh);
1232         }
1233
1234         _pthread_mutex_unlock(&private_display->lock);
1235
1236         return ret;
1237 }
1238
1239 EXTERN tdm_error
1240 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
1241 {
1242         OUTPUT_FUNC_ENTRY();
1243
1244         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1245
1246         _pthread_mutex_lock(&private_display->lock);
1247
1248         *mode = private_output->current_mode;
1249
1250         _pthread_mutex_unlock(&private_display->lock);
1251
1252         return ret;
1253 }
1254
1255 EXTERN tdm_error
1256 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1257 {
1258         tdm_private_backend *private_backend;
1259         tdm_func_output *func_output;
1260         OUTPUT_FUNC_ENTRY();
1261
1262         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1263                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1264                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1265                         return TDM_ERROR_BAD_REQUEST;
1266                 }
1267
1268                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1269                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1270                                         private_output->pipe, tdm_dpms_str(dpms_value));
1271                         return TDM_ERROR_BAD_REQUEST;
1272                 }
1273         }
1274
1275         _pthread_mutex_lock(&private_display->lock);
1276
1277         if (private_output->waiting_dpms_change) {
1278                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1279                 _pthread_mutex_unlock(&private_display->lock);
1280                 return TDM_ERROR_BAD_REQUEST;
1281         }
1282
1283         private_backend = private_output->private_backend;
1284         func_output = &private_backend->func_output;
1285
1286         TDM_INFO("output(%d) dpms '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1287
1288         if (func_output->output_set_dpms)
1289                 ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1290         else {
1291                 /* LCOV_EXCL_START */
1292                 ret = TDM_ERROR_NONE;
1293                 TDM_WRN("not implemented!!");
1294                 goto done;
1295                 /* LCOV_EXCL_STOP */
1296         }
1297
1298 done:
1299         if (ret == TDM_ERROR_NONE) {
1300                 if (private_output->current_dpms_value != dpms_value) {
1301                         tdm_value value;
1302                         private_output->current_dpms_value = dpms_value;
1303                         value.u32 = dpms_value;
1304                         _tdm_output_call_thread_cb_change(private_output, TDM_OUTPUT_CHANGE_DPMS, value);
1305                         TDM_INFO("output(%d) dpms '%s' done", private_output->pipe, tdm_dpms_str(dpms_value));
1306                 }
1307         } else {
1308                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1309
1310                 /* update current_dpms_value forcely */
1311                 tdm_output_get_dpms_internal(output, &temp);
1312
1313                 TDM_ERR("output(%d) set_dpms failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1314         }
1315
1316         _pthread_mutex_unlock(&private_display->lock);
1317
1318         return ret;
1319 }
1320
1321 /* LCOV_EXCL_START */
1322 EXTERN tdm_error
1323 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
1324 {
1325         tdm_private_backend *private_backend;
1326         tdm_func_output *func_output;
1327         OUTPUT_FUNC_ENTRY();
1328
1329         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_ASYNC_DPMS)) {
1330                 TDM_ERR("output doesn't support the asynchronous DPMS control!");
1331                 return TDM_ERROR_BAD_REQUEST;
1332         }
1333
1334         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1335                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1336                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1337                         return TDM_ERROR_BAD_REQUEST;
1338                 }
1339
1340                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1341                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1342                                         private_output->pipe, tdm_dpms_str(dpms_value));
1343                         return TDM_ERROR_BAD_REQUEST;
1344                 }
1345         }
1346
1347         _pthread_mutex_lock(&private_display->lock);
1348
1349         if (private_output->waiting_dpms_change) {
1350                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1351                 _pthread_mutex_unlock(&private_display->lock);
1352                 return TDM_ERROR_BAD_REQUEST;
1353         }
1354
1355         private_backend = private_output->private_backend;
1356         func_output = &private_backend->func_output;
1357         if (!func_output->output_set_dpms_handler) {
1358                 TDM_WRN("not implemented: output_set_dpms_handler");
1359                 _pthread_mutex_unlock(&private_display->lock);
1360                 return TDM_ERROR_NOT_IMPLEMENTED;
1361         }
1362
1363         if (!func_output->output_set_dpms_async) {
1364                 TDM_WRN("not implemented: output_set_dpms_async");
1365                 _pthread_mutex_unlock(&private_display->lock);
1366                 return TDM_ERROR_NOT_IMPLEMENTED;
1367         }
1368
1369         if (!private_output->regist_dpms_cb) {
1370                 private_output->regist_dpms_cb = 1;
1371                 ret = func_output->output_set_dpms_handler(private_output->output_backend,
1372                                 tdm_output_cb_dpms, private_output);
1373                 if (ret != TDM_ERROR_NONE) {
1374                         _pthread_mutex_unlock(&private_display->lock);
1375                         TDM_ERR("Can't set the dpms handler!!");
1376                         return ret;
1377                 }
1378         }
1379
1380         TDM_INFO("output(%d) dpms async '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1381
1382         ret = func_output->output_set_dpms_async(private_output->output_backend, dpms_value);
1383
1384         if (ret == TDM_ERROR_NONE) {
1385                 private_output->waiting_dpms_change = 1;
1386                 TDM_INFO("output(%d) dpms async '%s' waiting", private_output->pipe, tdm_dpms_str(dpms_value));
1387         } else {
1388                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1389
1390                 /* update current_dpms_value forcely */
1391                 tdm_output_get_dpms_internal(output, &temp);
1392
1393                 TDM_ERR("output(%d) set_dpms_async failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1394         }
1395
1396         _pthread_mutex_unlock(&private_display->lock);
1397
1398         return ret;
1399 }
1400 /* LCOV_EXCL_STOP */
1401
1402 INTERN tdm_error
1403 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1404 {
1405         tdm_private_output *private_output;
1406         tdm_private_backend *private_backend;
1407         tdm_func_output *func_output;
1408         tdm_error ret = TDM_ERROR_NONE;
1409
1410         TDM_RETURN_VAL_IF_FAIL(tdm_output_is_valid(output), TDM_ERROR_INVALID_PARAMETER);
1411
1412         private_output = (tdm_private_output*)output;
1413
1414         /* TODO: this is ugly. But before calling backend's output_get_dpms(), we have
1415          * to check if all backends's DPMS operation has no problem. In future, we'd
1416          * better use new env instead of using commit_per_vblank variable to distinguish
1417          * whether we use the stored value or backend's output_get_dpms.
1418          */
1419         if (!private_output->commit_per_vblank) {
1420                 *dpms_value = private_output->current_dpms_value;
1421                 return TDM_ERROR_NONE;
1422         }
1423
1424         private_backend = private_output->private_backend;
1425         func_output = &private_backend->func_output;
1426
1427         if (!func_output->output_get_dpms) {
1428                 /* LCOV_EXCL_START */
1429                 *dpms_value = private_output->current_dpms_value;
1430                 TDM_WRN("not implemented!!");
1431                 return TDM_ERROR_NONE;
1432                 /* LCOV_EXCL_STOP */
1433         }
1434
1435         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1436         if (ret != TDM_ERROR_NONE) {
1437                 /* LCOV_EXCL_START */
1438                 TDM_ERR("output_get_dpms failed");
1439                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1440                 /* LCOV_EXCL_STOP */
1441         }
1442
1443         /* checking with backend's value */
1444         if (*dpms_value != private_output->current_dpms_value) {
1445                 tdm_value value;
1446                 TDM_ERR("output(%d) dpms changed suddenly: %s -> %s",
1447                                 private_output->pipe, private_output->current_dpms_value,
1448                                 tdm_dpms_str(*dpms_value));
1449                 private_output->current_dpms_value = *dpms_value;
1450                 value.u32 = *dpms_value;
1451                 _tdm_output_call_thread_cb_change(private_output, TDM_OUTPUT_CHANGE_DPMS, value);
1452         }
1453
1454         return ret;
1455 }
1456
1457 EXTERN tdm_error
1458 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1459 {
1460         OUTPUT_FUNC_ENTRY();
1461
1462         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1463
1464         _pthread_mutex_lock(&private_display->lock);
1465
1466         ret = tdm_output_get_dpms_internal(output, dpms_value);
1467
1468         _pthread_mutex_unlock(&private_display->lock);
1469
1470         return ret;
1471 }
1472
1473 EXTERN tdm_capture *
1474 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1475 {
1476         tdm_capture *capture = NULL;
1477
1478         OUTPUT_FUNC_ENTRY_ERROR();
1479
1480         _pthread_mutex_lock(&private_display->lock);
1481
1482         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1483
1484         _pthread_mutex_unlock(&private_display->lock);
1485
1486         return capture;
1487 }
1488
1489 EXTERN tdm_hwc_window *
1490 tdm_output_hwc_create_window(tdm_output *output, tdm_error *error)
1491 {
1492         tdm_hwc_window *hwc_window = NULL;
1493
1494         OUTPUT_FUNC_ENTRY_ERROR();
1495
1496         _pthread_mutex_lock(&private_display->lock);
1497
1498         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1499                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, 0, error);
1500         else {
1501                 /* LCOV_EXCL_START */
1502                 TDM_ERR("output(%p) not support HWC", private_output);
1503                 if (error)
1504                         *error = TDM_ERROR_BAD_REQUEST;
1505                 /* LCOV_EXCL_STOP */
1506         }
1507
1508         _pthread_mutex_unlock(&private_display->lock);
1509
1510         return hwc_window;
1511 }
1512
1513 EXTERN tdm_hwc_window *
1514 tdm_output_hwc_create_video_window(tdm_output *output, tdm_error *error)
1515 {
1516         tdm_hwc_window *hwc_window = NULL;
1517
1518         OUTPUT_FUNC_ENTRY_ERROR();
1519
1520         _pthread_mutex_lock(&private_display->lock);
1521
1522         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1523                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, 1, error);
1524         else {
1525                 /* LCOV_EXCL_START */
1526                 TDM_ERR("output(%p) not support HWC", private_output);
1527                 if (error)
1528                         *error = TDM_ERROR_BAD_REQUEST;
1529                 /* LCOV_EXCL_STOP */
1530         }
1531
1532         _pthread_mutex_unlock(&private_display->lock);
1533
1534         return hwc_window;
1535 }
1536
1537 EXTERN tdm_error
1538 tdm_output_hwc_destroy_window(tdm_output *output, tdm_hwc_window *hwc_window)
1539 {
1540         OUTPUT_FUNC_ENTRY();
1541
1542         TDM_RETURN_VAL_IF_FAIL(hwc_window != NULL, TDM_ERROR_INVALID_PARAMETER);
1543
1544         _pthread_mutex_lock(&private_display->lock);
1545
1546         ret = tdm_hwc_window_destroy_internal(hwc_window);
1547
1548         _pthread_mutex_unlock(&private_display->lock);
1549
1550         return ret;
1551 }
1552
1553 EXTERN tdm_error
1554 tdm_output_hwc_validate(tdm_output *output, tdm_hwc_window **composited_wnds,
1555                                                                         uint32_t num_wnds, uint32_t *num_types)
1556 {
1557         tdm_private_backend *private_backend;
1558         tdm_func_output *func_output = NULL;
1559         tdm_private_hwc_window **composited_wnds_frontend = NULL;
1560         tdm_hwc_window **composited_wnds_backend = NULL;
1561         int i;
1562
1563         OUTPUT_FUNC_ENTRY();
1564
1565         TDM_RETURN_VAL_IF_FAIL(num_types != NULL, TDM_ERROR_INVALID_PARAMETER);
1566
1567         _pthread_mutex_lock(&private_display->lock);
1568
1569         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1570                 TDM_ERR("output(%p) not support HWC", private_output);
1571                 _pthread_mutex_unlock(&private_display->lock);
1572                 return TDM_ERROR_BAD_REQUEST;
1573         }
1574
1575         private_backend = private_output->private_backend;
1576         func_output = &private_backend->func_output;
1577
1578         if (!func_output->output_hwc_validate) {
1579                 /* LCOV_EXCL_START */
1580                 _pthread_mutex_unlock(&private_display->lock);
1581                 TDM_WRN("not implemented!!");
1582                 return TDM_ERROR_NOT_IMPLEMENTED;
1583                 /* LCOV_EXCL_STOP */
1584         }
1585
1586         if (num_wnds == 0) {
1587                 ret = func_output->output_hwc_validate(private_output->output_backend, NULL, 0, num_types);
1588
1589                 _pthread_mutex_unlock(&private_display->lock);
1590
1591                 return ret;
1592         }
1593
1594         composited_wnds_backend = calloc(num_wnds, sizeof(tdm_hwc_window *));
1595         if (!composited_wnds_backend) {
1596                 /* LCOV_EXCL_START */
1597                 _pthread_mutex_unlock(&private_display->lock);
1598                 return TDM_ERROR_OUT_OF_MEMORY;
1599                 /* LCOV_EXCL_STOP */
1600         }
1601
1602         composited_wnds_frontend = (tdm_private_hwc_window **)composited_wnds;
1603
1604         for (i = 0; i < num_wnds; i++)
1605                 composited_wnds_backend[i] = composited_wnds_frontend[i]->hwc_window_backend;
1606
1607         ret = func_output->output_hwc_validate(private_output->output_backend, composited_wnds_backend, num_wnds, num_types);
1608
1609         free(composited_wnds_backend);
1610
1611         _pthread_mutex_unlock(&private_display->lock);
1612
1613         return ret;
1614 }
1615
1616 EXTERN tdm_error
1617 tdm_output_hwc_set_need_validate_handler(tdm_output *output,
1618                 tdm_output_need_validate_handler hndl)
1619 {
1620         OUTPUT_FUNC_ENTRY();
1621
1622         TDM_RETURN_VAL_IF_FAIL(hndl != NULL, TDM_ERROR_INVALID_PARAMETER);
1623
1624         _pthread_mutex_lock(&private_display->lock);
1625
1626         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1627                 TDM_ERR("output(%p) not support HWC", private_output);
1628                 _pthread_mutex_unlock(&private_display->lock);
1629                 return TDM_ERROR_BAD_REQUEST;
1630         }
1631
1632         /* there's no reason to allow this */
1633         if (private_output->need_validate.hndl) {
1634
1635                 _pthread_mutex_unlock(&private_display->lock);
1636                 return TDM_ERROR_OPERATION_FAILED;
1637         }
1638
1639         private_output->need_validate.hndl = hndl;
1640
1641         _pthread_mutex_unlock(&private_display->lock);
1642
1643         return ret;
1644 }
1645
1646 EXTERN tdm_error
1647 tdm_output_hwc_get_changed_composition_types(tdm_output *output,
1648                                                                                  uint32_t *num_elements,
1649                                                                                  tdm_hwc_window **hwc_window,
1650                                                                                  tdm_hwc_window_composition *composition_types)
1651 {
1652         tdm_private_backend *private_backend;
1653         tdm_func_output *func_output = NULL;
1654         tdm_private_hwc_window * private_hwc_window = NULL;
1655         int i = 0;
1656
1657         OUTPUT_FUNC_ENTRY();
1658
1659         TDM_RETURN_VAL_IF_FAIL(num_elements != NULL, TDM_ERROR_INVALID_PARAMETER);
1660
1661         _pthread_mutex_lock(&private_display->lock);
1662
1663         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1664                 TDM_ERR("output(%p) not support HWC", private_output);
1665                 _pthread_mutex_unlock(&private_display->lock);
1666                 return TDM_ERROR_BAD_REQUEST;
1667         }
1668
1669         private_backend = private_output->private_backend;
1670         func_output = &private_backend->func_output;
1671
1672         if (!func_output->output_hwc_get_changed_composition_types) {
1673                 /* LCOV_EXCL_START */
1674                 _pthread_mutex_unlock(&private_display->lock);
1675                 TDM_WRN("not implemented!!");
1676                 return TDM_ERROR_NOT_IMPLEMENTED;
1677                 /* LCOV_EXCL_STOP */
1678         }
1679
1680         ret = func_output->output_hwc_get_changed_composition_types(private_output->output_backend,
1681                                                         num_elements, hwc_window, composition_types);
1682         if (ret != TDM_ERROR_NONE) {
1683                 /* LCOV_EXCL_START */
1684                 _pthread_mutex_unlock(&private_display->lock);
1685                 return ret;
1686                 /* LCOV_EXCL_STOP */
1687         }
1688
1689         if (hwc_window == NULL || composition_types == NULL) {
1690                 _pthread_mutex_unlock(&private_display->lock);
1691                 return TDM_ERROR_NONE;
1692         }
1693
1694         for (i = 0; i < *num_elements; i++) {
1695
1696                 private_hwc_window = _tdm_output_find_private_hwc_window(private_output, hwc_window[i]);
1697
1698                 if (private_hwc_window == NULL) {
1699                         /* LCOV_EXCL_START */
1700                         TDM_ERR("failed! This should never happen!");
1701                         func_output->output_hwc_destroy_window(private_output->output_backend, hwc_window[i]);
1702                         *num_elements = 0;
1703                         _pthread_mutex_unlock(&private_display->lock);
1704                         return TDM_ERROR_OPERATION_FAILED;
1705                         /* LCOV_EXCL_STOP */
1706                 }
1707
1708                 hwc_window[i] = (tdm_hwc_window*)private_hwc_window;
1709         }
1710
1711         _pthread_mutex_unlock(&private_display->lock);
1712
1713         return ret;
1714 }
1715
1716 tdm_error
1717 tdm_output_hwc_accept_changes(tdm_output *output)
1718 {
1719         tdm_private_backend *private_backend;
1720         tdm_func_output *func_output = NULL;
1721
1722         OUTPUT_FUNC_ENTRY();
1723
1724         _pthread_mutex_lock(&private_display->lock);
1725
1726         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1727                 TDM_ERR("output(%p) not support HWC", private_output);
1728                 _pthread_mutex_unlock(&private_display->lock);
1729                 return TDM_ERROR_BAD_REQUEST;
1730         }
1731
1732         private_backend = private_output->private_backend;
1733         func_output = &private_backend->func_output;
1734
1735         if (!func_output->output_hwc_validate) {
1736                 /* LCOV_EXCL_START */
1737                 _pthread_mutex_unlock(&private_display->lock);
1738                 TDM_WRN("not implemented!!");
1739                 return TDM_ERROR_NOT_IMPLEMENTED;
1740                 /* LCOV_EXCL_STOP */
1741         }
1742
1743         ret = func_output->output_hwc_accept_changes(private_output->output_backend);
1744
1745         _pthread_mutex_unlock(&private_display->lock);
1746
1747         return ret;
1748 }
1749
1750 tbm_surface_queue_h
1751 tdm_output_hwc_get_target_buffer_queue(tdm_output *output, tdm_error *error)
1752 {
1753         tdm_private_backend *private_backend;
1754         tdm_func_output *func_output = NULL;
1755         tbm_surface_queue_h queue = NULL;
1756
1757         OUTPUT_FUNC_ENTRY_ERROR();
1758
1759         _pthread_mutex_lock(&private_display->lock);
1760
1761         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1762                 TDM_ERR("output(%p) not support HWC", private_output);
1763                 if (error)
1764                         *error = TDM_ERROR_BAD_REQUEST;
1765                 _pthread_mutex_unlock(&private_display->lock);
1766                 return NULL;
1767         }
1768
1769         private_backend = private_output->private_backend;
1770         func_output = &private_backend->func_output;
1771
1772         if (!func_output->output_hwc_get_target_buffer_queue) {
1773                 /* LCOV_EXCL_START */
1774                 _pthread_mutex_unlock(&private_display->lock);
1775                 TDM_WRN("not implemented!!");
1776                 return NULL;
1777                 /* LCOV_EXCL_STOP */
1778         }
1779
1780         queue = func_output->output_hwc_get_target_buffer_queue(private_output->output_backend, error);
1781
1782         _pthread_mutex_unlock(&private_display->lock);
1783
1784         return queue;
1785 }
1786
1787 EXTERN tdm_error
1788 tdm_output_hwc_set_client_target_buffer(tdm_output *output, tbm_surface_h target_buffer, tdm_hwc_region damage)
1789 {
1790         tdm_private_backend *private_backend;
1791         tdm_func_output *func_output = NULL;
1792
1793         OUTPUT_FUNC_ENTRY();
1794
1795         _pthread_mutex_lock(&private_display->lock);
1796
1797         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1798                 TDM_ERR("output(%p) not support HWC", private_output);
1799                 _pthread_mutex_unlock(&private_display->lock);
1800                 return TDM_ERROR_BAD_REQUEST;
1801         }
1802
1803         if (tdm_debug_dump & TDM_DUMP_FLAG_WINDOW) {
1804                 /* LCOV_EXCL_START */
1805                 char str[TDM_PATH_LEN];
1806                 static int i;
1807                 snprintf(str, TDM_PATH_LEN, "target_window_%d_%03d",
1808                                  private_output->index, i++);
1809                 tdm_helper_dump_buffer_str(target_buffer, tdm_debug_dump_dir, str);
1810                 /* LCOV_EXCL_STOP */
1811         }
1812
1813         private_backend = private_output->private_backend;
1814         func_output = &private_backend->func_output;
1815
1816         if (!func_output->output_hwc_set_client_target_buffer) {
1817                 /* LCOV_EXCL_START */
1818                 _pthread_mutex_unlock(&private_display->lock);
1819                 TDM_WRN("not implemented!!");
1820                 return TDM_ERROR_NOT_IMPLEMENTED;
1821                 /* LCOV_EXCL_STOP */
1822         }
1823
1824         ret = func_output->output_hwc_set_client_target_buffer(private_output->output_backend, target_buffer, damage);
1825
1826         _pthread_mutex_unlock(&private_display->lock);
1827
1828         return ret;
1829 }
1830
1831 EXTERN tdm_error
1832 tdm_output_hwc_unset_client_target_buffer(tdm_output *output)
1833 {
1834         tdm_private_backend *private_backend;
1835         tdm_func_output *func_output = NULL;
1836
1837         OUTPUT_FUNC_ENTRY();
1838
1839         _pthread_mutex_lock(&private_display->lock);
1840
1841         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1842                 TDM_ERR("output(%p) not support HWC", private_output);
1843                 _pthread_mutex_unlock(&private_display->lock);
1844                 return TDM_ERROR_BAD_REQUEST;
1845         }
1846
1847         private_backend = private_output->private_backend;
1848         func_output = &private_backend->func_output;
1849
1850         if (!func_output->output_hwc_unset_client_target_buffer) {
1851                 /* LCOV_EXCL_START */
1852                 _pthread_mutex_unlock(&private_display->lock);
1853                 TDM_ERR("not implemented!!");
1854                 return TDM_ERROR_NOT_IMPLEMENTED;
1855                 /* LCOV_EXCL_STOP */
1856         }
1857
1858         ret = func_output->output_hwc_unset_client_target_buffer(private_output->output_backend);
1859
1860         _pthread_mutex_unlock(&private_display->lock);
1861
1862         return ret;
1863 }
1864
1865 static void
1866 _tdm_output_hwc_layer_commit_handler(tdm_layer *layer, unsigned int sequence,
1867                                                                                  unsigned int tv_sec, unsigned int tv_usec,
1868                                                                                  void *user_data)
1869 {
1870         tdm_private_output_hwc_target_buffer_commit_handler *output_hwc_target_buffer_commit_handler = (tdm_private_output_hwc_target_buffer_commit_handler *)user_data;
1871         tdm_output_hwc_target_buffer_commit_handler func = output_hwc_target_buffer_commit_handler->func;
1872         tdm_output *output = (tdm_output *)output_hwc_target_buffer_commit_handler->private_output;
1873         void *data = output_hwc_target_buffer_commit_handler->user_data;
1874
1875         func(output, sequence, tv_sec, tv_usec, data);
1876
1877         free(output_hwc_target_buffer_commit_handler);
1878 }
1879
1880 tdm_error
1881 tdm_output_hwc_commit_client_target_buffer(tdm_output *output, tdm_output_hwc_target_buffer_commit_handler func, void *user_data)
1882 {
1883         tdm_private_backend *private_backend;
1884         tdm_func_output *func_output;
1885         tdm_private_output_hwc_target_buffer_commit_handler *output_hwc_target_buffer_commit_handler;
1886         tdm_layer *layer = NULL;
1887         tdm_private_layer *private_layer;
1888         const tdm_output_mode *mode;
1889         tbm_surface_h buffer;
1890
1891         OUTPUT_FUNC_ENTRY();
1892
1893         _pthread_mutex_lock(&private_display->lock);
1894
1895         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1896                 TDM_ERR("output(%p) not support HWC", private_output);
1897                 _pthread_mutex_unlock(&private_display->lock);
1898                 return TDM_ERROR_BAD_REQUEST;
1899         }
1900
1901         private_backend = private_output->private_backend;
1902         func_output = &private_backend->func_output;
1903
1904         if (!func_output->output_hwc_get_client_target_buffer_layer) {
1905                 /* LCOV_EXCL_START */
1906                 _pthread_mutex_unlock(&private_display->lock);
1907                 TDM_ERR("not implemented!!");
1908                 return TDM_ERROR_NOT_IMPLEMENTED;
1909                 /* LCOV_EXCL_STOP */
1910         }
1911
1912         layer = func_output->output_hwc_get_client_target_buffer_layer(private_output->output_backend,
1913                                                                                                                    &ret);
1914         if (!layer) {
1915                 /* LCOV_EXCL_START */
1916                 _pthread_mutex_unlock(&private_display->lock);
1917                 TDM_ERR("no assigned layer!!");
1918                 return TDM_ERROR_INVALID_PARAMETER;
1919                 /* LCOV_EXCL_STOP */
1920         }
1921
1922         private_layer = (tdm_private_layer*)layer;
1923
1924         if (!func_output->output_hwc_get_client_target_buffer) {
1925                 /* LCOV_EXCL_START */
1926                 _pthread_mutex_unlock(&private_display->lock);
1927                 TDM_ERR("not implemented!!");
1928                 return TDM_ERROR_NOT_IMPLEMENTED;
1929                 /* LCOV_EXCL_STOP */
1930         }
1931
1932         buffer = func_output->output_hwc_get_client_target_buffer(private_output->output_backend,
1933                                                                                                            &ret);
1934         if (buffer)
1935                 ret = tdm_layer_set_buffer_internal(private_layer, buffer);
1936         else
1937                 ret = tdm_layer_unset_buffer_internal(private_layer);
1938         if (ret != TDM_ERROR_NONE) {
1939                 /* LCOV_EXCL_START */
1940                 TDM_ERR("failed: layer set info(window)");
1941                 _pthread_mutex_unlock(&private_display->lock);
1942                 /* LCOV_EXCL_STOP */
1943                 return ret;
1944         }
1945
1946         if (private_output->need_set_target_info) {
1947                 mode = private_output->current_mode;
1948                 private_output->target_buffer_info.src_config.size.h = mode->hdisplay;
1949                 private_output->target_buffer_info.src_config.size.v = mode->vdisplay;
1950                 private_output->target_buffer_info.src_config.pos.x = 0;
1951                 private_output->target_buffer_info.src_config.pos.y = 0;
1952                 private_output->target_buffer_info.src_config.pos.w = mode->hdisplay;
1953                 private_output->target_buffer_info.src_config.pos.h = mode->vdisplay;
1954                 private_output->target_buffer_info.dst_pos.x = 0;
1955                 private_output->target_buffer_info.dst_pos.y = 0;
1956                 private_output->target_buffer_info.dst_pos.w = mode->hdisplay;
1957                 private_output->target_buffer_info.dst_pos.h = mode->vdisplay;
1958                 private_output->target_buffer_info.transform = TDM_TRANSFORM_NORMAL;
1959
1960                 ret = tdm_layer_set_info_internal(private_layer, &private_output->target_buffer_info);
1961                 if (ret != TDM_ERROR_NONE) {
1962                         /* LCOV_EXCL_START */
1963                         TDM_ERR("failed: layer set info(window)");
1964                         _pthread_mutex_unlock(&private_display->lock);
1965                         /* LCOV_EXCL_STOP */
1966                         return ret;
1967                 }
1968
1969                 private_output->need_set_target_info = 0;
1970         }
1971
1972         output_hwc_target_buffer_commit_handler = calloc(1, sizeof(tdm_private_output_hwc_target_buffer_commit_handler));
1973         if (!output_hwc_target_buffer_commit_handler) {
1974                 /* LCOV_EXCL_START */
1975                 TDM_ERR("failed: alloc memory");
1976                 _pthread_mutex_unlock(&private_display->lock);
1977                 return TDM_ERROR_OUT_OF_MEMORY;
1978                 /* LCOV_EXCL_STOP */
1979         }
1980
1981         output_hwc_target_buffer_commit_handler->private_output = private_output;
1982         output_hwc_target_buffer_commit_handler->func = func;
1983         output_hwc_target_buffer_commit_handler->user_data = user_data;
1984
1985         ret = tdm_layer_commit_internal(private_layer, _tdm_output_hwc_layer_commit_handler, output_hwc_target_buffer_commit_handler);
1986         if (ret != TDM_ERROR_NONE) {
1987                 /* LCOV_EXCL_START */
1988                 TDM_ERR("failed: commit layer(target buffer)");
1989                 free(output_hwc_target_buffer_commit_handler);
1990                 _pthread_mutex_unlock(&private_display->lock);
1991                 /* LCOV_EXCL_STOP */
1992                 return ret;
1993         }
1994
1995         _pthread_mutex_unlock(&private_display->lock);
1996
1997         return ret;
1998 }
1999
2000 tdm_error
2001 tdm_output_hwc_get_video_supported_formats(tdm_output *output, const tbm_format **formats,
2002                                                                 int *count)
2003 {
2004         tdm_private_backend *private_backend;
2005         tdm_func_output *func_output;
2006         OUTPUT_FUNC_ENTRY();
2007
2008         TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
2009         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
2010
2011         _pthread_mutex_lock(&private_display->lock);
2012
2013         private_backend = private_output->private_backend;
2014         func_output = &private_backend->func_output;
2015
2016         if (!func_output->output_hwc_get_video_supported_formats) {
2017                 /* LCOV_EXCL_START */
2018                 _pthread_mutex_unlock(&private_display->lock);
2019                 TDM_WRN("not implemented!!");
2020                 return TDM_ERROR_NOT_IMPLEMENTED;
2021                 /* LCOV_EXCL_STOP */
2022         }
2023
2024         ret = func_output->output_hwc_get_video_supported_formats(
2025                                                                 private_output->output_backend, formats, count);
2026
2027         _pthread_mutex_unlock(&private_display->lock);
2028
2029         return ret;
2030 }
2031
2032 static int
2033 _is_hwc_output_still_existed(tdm_private_output *private_output)
2034 {
2035         tdm_private_backend *private_backend = private_output->private_backend;
2036         tdm_private_output *o = NULL;
2037
2038         LIST_FOR_EACH_ENTRY(o, &private_backend->output_list, link) {
2039                 if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
2040                         continue;
2041
2042                 if (o == private_output)
2043                         goto exist;
2044         }
2045
2046         return 0;
2047
2048 exist:
2049         return 1;
2050 }
2051
2052 /* gets called on behalf of the ecore-main-loop thread */
2053 INTERN void
2054 tdm_output_need_validate_handler_thread(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
2055 {
2056         tdm_private_output *private_output = object;
2057
2058         TDM_RETURN_IF_FAIL(private_output != NULL);
2059
2060         _pthread_mutex_lock(&private_display->lock);
2061
2062         /* as we get 'private_output' within an event, an output this 'private_output'
2063          * points to can be destroyed already */
2064         if (!_is_hwc_output_still_existed(private_output)) {
2065                 _pthread_mutex_unlock(&private_display->lock);
2066                 return;
2067         }
2068
2069         _pthread_mutex_unlock(&private_display->lock);
2070
2071         TDM_INFO("tdm-backend asks for revalidation for the output:%p.", private_output);
2072
2073         if (private_output->need_validate.hndl)
2074                 private_output->need_validate.hndl((tdm_output*)private_output);
2075 }
2076
2077 /* gets called on behalf of the tdm-thread */
2078 static tdm_error
2079 _need_validate_handler(int fd, tdm_event_loop_mask mask, void *user_data)
2080 {
2081         tdm_thread_cb_need_validate ev;
2082         tdm_private_output *private_output;
2083         tdm_error ret;
2084         uint64_t value;
2085
2086         private_output = (tdm_private_output *)user_data;
2087
2088         if (read(private_output->need_validate.event_fd, &value, sizeof(value)) < 0) {
2089                 TDM_ERR("error while trying to read from a need_validate.event_fd fd.");
2090                 return TDM_ERROR_OPERATION_FAILED;
2091         }
2092
2093         memset(&ev, 0, sizeof ev);
2094         ev.base.type = TDM_THREAD_CB_NEED_VALIDATE;
2095         ev.base.length = sizeof ev;
2096         ev.base.object_stamp = private_output->stamp;
2097         ev.base.data = NULL;
2098         ev.base.sync = 0;
2099
2100         ret = tdm_thread_cb_call(private_output, &ev.base);
2101         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
2102
2103         TDM_INFO("tdm-thread: get a 'need to revalidate' event for the ouptut:%p.", private_output);
2104
2105         /* who cares about this? */
2106         return TDM_ERROR_NONE;
2107 }
2108
2109 INTERN tdm_error
2110 tdm_output_need_validate_event_init(tdm_output *output)
2111 {
2112         int fd;
2113
2114         OUTPUT_FUNC_ENTRY();
2115
2116         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), TDM_ERROR_OPERATION_FAILED);
2117
2118         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
2119                 TDM_ERR("output(%p) not support HWC", private_output);
2120                 return TDM_ERROR_BAD_REQUEST;
2121         }
2122
2123         /* build in eventfd fds into event_loop listened & handled by the tdm-thread */
2124         fd = eventfd(0, 0);
2125         TDM_WARNING_IF_FAIL(fd >= 0);
2126
2127         private_output->need_validate.event_source = tdm_event_loop_add_fd_handler(private_display,
2128                         fd,     TDM_EVENT_LOOP_READABLE, _need_validate_handler, private_output, &ret);
2129         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
2130
2131         private_output->need_validate.event_fd = fd;
2132
2133         TDM_INFO("register an output:%p for the revalidation, event_fd:%d.", private_output, fd);
2134
2135         return ret;
2136 }
2137
2138 INTERN tdm_error
2139 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
2140 {
2141         if (!private_output)
2142                 return TDM_ERROR_INVALID_PARAMETER;
2143
2144         if (mode < 0 || mode > 2)
2145                 return TDM_ERROR_INVALID_PARAMETER;
2146
2147         private_output->commit_per_vblank = mode;
2148
2149         if (private_output->commit_per_vblank == 0)
2150                 TDM_INFO("commit per vblank: disable");
2151         else if (private_output->commit_per_vblank == 1)
2152                 TDM_INFO("commit per vblank: enable (1 layer)");
2153         else if (private_output->commit_per_vblank == 2)
2154                 TDM_INFO("commit per vblank: enable (previous commit)");
2155
2156         return TDM_ERROR_NONE;
2157 }