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.h"
  41 #include "tdm_backend.h"
  42 #include "tdm_private.h"
  43 #include "tdm_helper.h"
  44
  45 #define COUNT_MAX   10
  46
  47 #define OUTPUT_FUNC_ENTRY() \
  48         tdm_private_display *private_display; \
  49         tdm_private_output *private_output; \
  50         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  51         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER); \
  52         private_output = (tdm_private_output*)output; \
  53         private_display = private_output->private_display
  54
  55 #define OUTPUT_FUNC_ENTRY_ERROR() \
  56         tdm_private_display *private_display; \
  57         tdm_private_output *private_output; \
  58         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  59         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(output != NULL, TDM_ERROR_INVALID_PARAMETER, NULL); \
  60         private_output = (tdm_private_output*)output; \
  61         private_display = private_output->private_display
  62
  63
  64 static tdm_private_hwc_window *
  65 _tdm_output_find_private_hwc_window(tdm_private_output *private_output,
  66                                                                 tdm_hwc_window *hwc_window_backend)
  67 {
  68         tdm_private_hwc_window *private_hwc_window = NULL;
  69
  70         LIST_FOR_EACH_ENTRY(private_hwc_window, &private_output->hwc_window_list, link) {
  71                 if (private_hwc_window->hwc_window_backend == hwc_window_backend)
  72                         return private_hwc_window;
  73         }
  74
  75         return NULL;
  76 }
  77
  78 EXTERN tdm_error
  79 tdm_output_get_model_info(tdm_output *output, const char **maker,
  80                                                   const char **model, const char **name)
  81 {
  82         OUTPUT_FUNC_ENTRY();
  83
  84         _pthread_mutex_lock(&private_display->lock);
  85
  86         if (maker)
  87                 *maker = private_output->caps.maker;
  88         if (model)
  89                 *model = private_output->caps.model;
  90         if (name)
  91                 *name = private_output->caps.name;
  92
  93         _pthread_mutex_unlock(&private_display->lock);
  94
  95         return ret;
  96 }
  97
  98 EXTERN tdm_error
  99 tdm_output_get_capabilities(tdm_output *output, tdm_output_capability *capabilities)
 100 {
 101         OUTPUT_FUNC_ENTRY();
 102
 103         TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 104
 105         _pthread_mutex_lock(&private_display->lock);
 106
 107         *capabilities = private_output->caps.capabilities;
 108
 109         _pthread_mutex_unlock(&private_display->lock);
 110
 111         return ret;
 112 }
 113
 114 EXTERN tdm_error
 115 tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status)
 116 {
 117         OUTPUT_FUNC_ENTRY();
 118
 119         TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 120
 121         _pthread_mutex_lock(&private_display->lock);
 122
 123         *status = private_output->caps.status;
 124
 125         _pthread_mutex_unlock(&private_display->lock);
 126
 127         return ret;
 128 }
 129
 130 static void
 131 _tdm_output_update(tdm_output *output_backend, void *user_data)
 132 {
 133         tdm_private_display *private_display;
 134         tdm_private_output *private_output = user_data;
 135         tdm_error ret;
 136
 137         TDM_RETURN_IF_FAIL(private_output);
 138
 139         private_display = private_output->private_display;
 140
 141         ret = tdm_display_update_output(private_display, output_backend, private_output->pipe);
 142         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 143 }
 144
 145 INTERN void
 146 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status,
 147                                          void *user_data)
 148 {
 149         tdm_private_display *private_display;
 150         tdm_private_output *private_output = user_data;
 151         tdm_value value;
 152
 153         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 154         TDM_RETURN_IF_FAIL(private_output);
 155
 156         private_display = private_output->private_display;
 157
 158         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
 159                 tdm_thread_cb_output_status output_status;
 160                 tdm_error ret;
 161
 162                 TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(status));
 163
 164                 _tdm_output_update(output_backend, user_data);
 165
 166                 output_status.base.type = TDM_THREAD_CB_OUTPUT_STATUS;
 167                 output_status.base.length = sizeof output_status;
 168                 output_status.output_stamp = private_output->stamp;
 169                 output_status.status = status;
 170                 output_status.user_data = user_data;
 171
 172                 value.u32 = status;
 173                 tdm_output_call_change_handler_internal(private_output,
 174                                                                                                 &private_output->change_handler_list_sub,
 175                                                                                                 TDM_OUTPUT_CHANGE_CONNECTION,
 176                                                                                                 value, 0);
 177
 178                 ret = tdm_thread_send_cb(private_display->private_loop, &output_status.base);
 179                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 180
 181                 return;
 182         }
 183
 184         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(status));
 185
 186         if (!tdm_thread_is_running())
 187                 _tdm_output_update(output_backend, user_data);
 188
 189         value.u32 = status;
 190         tdm_output_call_change_handler_internal(private_output,
 191                                                                                         &private_output->change_handler_list_main,
 192                                                                                         TDM_OUTPUT_CHANGE_CONNECTION,
 193                                                                                         value, 0);
 194 }
 195
 196 EXTERN tdm_error
 197 tdm_output_add_change_handler(tdm_output *output,
 198                                                           tdm_output_change_handler func,
 199                                                           void *user_data)
 200 {
 201         tdm_private_change_handler *change_handler;
 202         OUTPUT_FUNC_ENTRY();
 203
 204         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 205
 206         pthread_mutex_lock(&private_display->lock);
 207
 208         change_handler = calloc(1, sizeof(tdm_private_change_handler));
 209         if (!change_handler) {
 210                 TDM_ERR("failed: alloc memory");
 211                 _pthread_mutex_unlock(&private_display->lock);
 212                 return TDM_ERROR_OUT_OF_MEMORY;
 213         }
 214
 215         change_handler->private_output = private_output;
 216         change_handler->func = func;
 217         change_handler->user_data = user_data;
 218         change_handler->owner_tid = syscall(SYS_gettid);
 219
 220         if (!tdm_thread_in_display_thread(change_handler->owner_tid))
 221                 LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list_sub);
 222         else
 223                 LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list_main);
 224
 225         _pthread_mutex_unlock(&private_display->lock);
 226
 227         return ret;
 228 }
 229
 230 EXTERN void
 231 tdm_output_remove_change_handler(tdm_output *output,
 232                                                                  tdm_output_change_handler func,
 233                                                                  void *user_data)
 234 {
 235         tdm_private_display *private_display;
 236         tdm_private_output *private_output;
 237         tdm_private_change_handler *h = NULL, *hh = NULL;
 238
 239         TDM_RETURN_IF_FAIL(output != NULL);
 240         TDM_RETURN_IF_FAIL(func != NULL);
 241
 242         private_output = (tdm_private_output*)output;
 243         private_display = private_output->private_display;
 244
 245         _pthread_mutex_lock(&private_display->lock);
 246
 247         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_main, link) {
 248                 if (h->func != func || h->user_data != user_data)
 249                         continue;
 250
 251                 LIST_DEL(&h->link);
 252                 free(h);
 253
 254                 _pthread_mutex_unlock(&private_display->lock);
 255
 256                 return;
 257         }
 258
 259         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_sub, link) {
 260                 if (h->func != func || h->user_data != user_data)
 261                         continue;
 262
 263                 LIST_DEL(&h->link);
 264                 free(h);
 265
 266                 _pthread_mutex_unlock(&private_display->lock);
 267
 268                 return;
 269         }
 270
 271         _pthread_mutex_unlock(&private_display->lock);
 272 }
 273
 274 EXTERN tdm_error
 275 tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
 276 {
 277         OUTPUT_FUNC_ENTRY();
 278
 279         TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
 280
 281         _pthread_mutex_lock(&private_display->lock);
 282
 283         *type = private_output->caps.type;
 284
 285         _pthread_mutex_unlock(&private_display->lock);
 286
 287         return ret;
 288 }
 289
 290 EXTERN tdm_error
 291 tdm_output_get_layer_count(tdm_output *output, int *count)
 292 {
 293         tdm_private_layer *private_layer = NULL;
 294
 295         OUTPUT_FUNC_ENTRY();
 296
 297         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 298
 299         _pthread_mutex_lock(&private_display->lock);
 300
 301         if (private_display->hwc_enable) {
 302                 *count = 0;
 303                 return TDM_ERROR_NONE;
 304         }
 305
 306         *count = 0;
 307         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
 308         (*count)++;
 309         if (*count == 0) {
 310                 _pthread_mutex_unlock(&private_display->lock);
 311                 return TDM_ERROR_NONE;
 312         }
 313
 314         _pthread_mutex_unlock(&private_display->lock);
 315
 316         return ret;
 317 }
 318
 319
 320 EXTERN tdm_layer *
 321 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 322 {
 323         tdm_private_layer *private_layer = NULL;
 324
 325         OUTPUT_FUNC_ENTRY_ERROR();
 326
 327         _pthread_mutex_lock(&private_display->lock);
 328
 329         if (error)
 330                 *error = TDM_ERROR_NONE;
 331
 332         if (private_display->hwc_enable) {
 333                 *error = TDM_ERROR_INVALID_PARAMETER;
 334                 return NULL;
 335         }
 336
 337         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 338                 if (private_layer->index == index) {
 339                         _pthread_mutex_unlock(&private_display->lock);
 340                         return private_layer;
 341                 }
 342         }
 343
 344         _pthread_mutex_unlock(&private_display->lock);
 345
 346         return NULL;
 347 }
 348
 349 EXTERN tdm_error
 350 tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
 351                                                                         int *count)
 352 {
 353         OUTPUT_FUNC_ENTRY();
 354
 355         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 356         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 357
 358         _pthread_mutex_lock(&private_display->lock);
 359
 360         *props = (const tdm_prop *)private_output->caps.props;
 361         *count = private_output->caps.prop_count;
 362
 363         _pthread_mutex_unlock(&private_display->lock);
 364
 365         return ret;
 366 }
 367
 368 EXTERN tdm_error
 369 tdm_output_get_available_modes(tdm_output *output,
 370                                                            const tdm_output_mode **modes, int *count)
 371 {
 372         OUTPUT_FUNC_ENTRY();
 373
 374         TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
 375         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 376
 377         _pthread_mutex_lock(&private_display->lock);
 378
 379         *modes = (const tdm_output_mode *)private_output->caps.modes;
 380         *count = private_output->caps.mode_count;
 381
 382         _pthread_mutex_unlock(&private_display->lock);
 383
 384         return ret;
 385 }
 386
 387 EXTERN tdm_error
 388 tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
 389                                                           int *max_w, int *max_h, int *preferred_align)
 390 {
 391         OUTPUT_FUNC_ENTRY();
 392
 393         _pthread_mutex_lock(&private_display->lock);
 394
 395         if (min_w)
 396                 *min_w = TDM_FRONT_VALUE(private_output->caps.min_w);
 397         if (min_h)
 398                 *min_h = TDM_FRONT_VALUE(private_output->caps.min_h);
 399         if (max_w)
 400                 *max_w = TDM_FRONT_VALUE(private_output->caps.max_w);
 401         if (max_h)
 402                 *max_h = TDM_FRONT_VALUE(private_output->caps.max_h);
 403         if (preferred_align)
 404                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.preferred_align);
 405
 406         _pthread_mutex_unlock(&private_display->lock);
 407
 408         return ret;
 409 }
 410
 411 EXTERN tdm_error
 412 tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
 413                                                                          int *max_w, int *max_h, int *preferred_align)
 414 {
 415         OUTPUT_FUNC_ENTRY();
 416
 417         _pthread_mutex_lock(&private_display->lock);
 418
 419         if (!tdm_display_check_module_abi(private_display, 1, 5)) {
 420
 421                 if (min_w)
 422                         *min_w = -1;
 423                 if (min_h)
 424                         *min_h = -1;
 425                 if (max_w)
 426                         *max_w = -1;
 427                 if (max_h)
 428                         *max_h = -1;
 429                 if (preferred_align)
 430                         *preferred_align = -1;
 431
 432                 _pthread_mutex_unlock(&private_display->lock);
 433
 434                 return TDM_ERROR_BAD_MODULE;
 435         }
 436
 437         if (min_w)
 438                 *min_w = TDM_FRONT_VALUE(private_output->caps.cursor_min_w);
 439         if (min_h)
 440                 *min_h = TDM_FRONT_VALUE(private_output->caps.cursor_min_h);
 441         if (max_w)
 442                 *max_w = TDM_FRONT_VALUE(private_output->caps.cursor_max_w);
 443         if (max_h)
 444                 *max_h = TDM_FRONT_VALUE(private_output->caps.cursor_max_h);
 445         if (preferred_align)
 446                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.cursor_preferred_align);
 447
 448         _pthread_mutex_unlock(&private_display->lock);
 449
 450         return ret;
 451 }
 452
 453 EXTERN tdm_error
 454 tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
 455                                                          unsigned int *mmHeight)
 456 {
 457         OUTPUT_FUNC_ENTRY();
 458
 459         _pthread_mutex_lock(&private_display->lock);
 460
 461         if (mmWidth)
 462                 *mmWidth = private_output->caps.mmWidth;
 463         if (mmHeight)
 464                 *mmHeight = private_output->caps.mmHeight;
 465
 466         _pthread_mutex_unlock(&private_display->lock);
 467
 468         return ret;
 469 }
 470
 471 EXTERN tdm_error
 472 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
 473 {
 474         OUTPUT_FUNC_ENTRY();
 475         TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
 476
 477         _pthread_mutex_lock(&private_display->lock);
 478
 479         *subpixel = private_output->caps.subpixel;
 480
 481         _pthread_mutex_unlock(&private_display->lock);
 482
 483         return ret;
 484 }
 485
 486 EXTERN tdm_error
 487 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
 488 {
 489         OUTPUT_FUNC_ENTRY();
 490         TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
 491
 492         _pthread_mutex_lock(&private_display->lock);
 493
 494         *pipe = private_output->pipe;
 495
 496         _pthread_mutex_unlock(&private_display->lock);
 497
 498         return ret;
 499 }
 500
 501 EXTERN tdm_error
 502 tdm_output_get_primary_index(tdm_output *output, int *index)
 503 {
 504         tdm_private_layer *private_layer = NULL;
 505
 506         OUTPUT_FUNC_ENTRY();
 507         TDM_RETURN_VAL_IF_FAIL(index != NULL, TDM_ERROR_INVALID_PARAMETER);
 508
 509         _pthread_mutex_lock(&private_display->lock);
 510
 511         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 512                 if (private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_PRIMARY) {
 513                         *index = private_layer->index;
 514                         break;
 515                 }
 516         }
 517
 518         _pthread_mutex_unlock(&private_display->lock);
 519
 520         return ret;
 521 }
 522
 523 EXTERN tdm_error
 524 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
 525 {
 526         tdm_func_output *func_output;
 527         OUTPUT_FUNC_ENTRY();
 528
 529         _pthread_mutex_lock(&private_display->lock);
 530
 531         func_output = &private_display->func_output;
 532
 533         if (!func_output->output_set_property) {
 534                 _pthread_mutex_unlock(&private_display->lock);
 535                 TDM_ERR("not implemented!!");
 536                 return TDM_ERROR_NOT_IMPLEMENTED;
 537         }
 538
 539         ret = func_output->output_set_property(private_output->output_backend, id,
 540                                                                                    value);
 541
 542         _pthread_mutex_unlock(&private_display->lock);
 543
 544         return ret;
 545 }
 546
 547 EXTERN tdm_error
 548 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 549 {
 550         tdm_func_output *func_output;
 551         OUTPUT_FUNC_ENTRY();
 552
 553         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 554
 555         _pthread_mutex_lock(&private_display->lock);
 556
 557         func_output = &private_display->func_output;
 558
 559         if (!func_output->output_get_property) {
 560                 _pthread_mutex_unlock(&private_display->lock);
 561                 TDM_ERR("not implemented!!");
 562                 return TDM_ERROR_NOT_IMPLEMENTED;
 563         }
 564
 565         ret = func_output->output_get_property(private_output->output_backend, id,
 566                                                                                    value);
 567
 568         _pthread_mutex_unlock(&private_display->lock);
 569
 570         return ret;
 571 }
 572
 573 INTERN void
 574 tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 575                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 576 {
 577         tdm_private_vblank_handler *vblank_handler = user_data;
 578         tdm_private_vblank_handler *v = NULL, *vv = NULL;
 579         tdm_private_output *private_output;
 580         tdm_private_display *private_display;
 581         struct list_head clone_list;
 582         int interval, sync;
 583         pid_t tid = syscall(SYS_gettid);
 584
 585         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 586         TDM_RETURN_IF_FAIL(vblank_handler);
 587
 588         private_output = vblank_handler->private_output;
 589         private_display = private_output->private_display;
 590
 591         if (vblank_handler->owner_tid != tid) {
 592                 tdm_thread_cb_output_vblank output_vblank;
 593                 tdm_error ret;
 594
 595                 output_vblank.base.type = TDM_THREAD_CB_OUTPUT_VBLANK;
 596                 output_vblank.base.length = sizeof output_vblank;
 597                 output_vblank.output_stamp = vblank_handler->private_output->stamp;
 598                 output_vblank.sequence = sequence;
 599                 output_vblank.tv_sec = tv_sec;
 600                 output_vblank.tv_usec = tv_usec;
 601                 output_vblank.user_data = user_data;
 602
 603                 ret = tdm_thread_send_cb(private_display->private_loop, &output_vblank.base);
 604                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 605
 606                 return;
 607         }
 608
 609         if (vblank_handler->owner_tid != tid)
 610                 TDM_NEVER_GET_HERE();
 611
 612         interval = vblank_handler->interval;
 613         sync = vblank_handler->sync;
 614
 615         LIST_INITHEAD(&clone_list);
 616
 617         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 618                 if (v->interval != interval || v->sync != sync || v->owner_tid != tid)
 619                         continue;
 620
 621                 LIST_DEL(&v->link);
 622                 LIST_ADDTAIL(&v->link, &clone_list);
 623         }
 624
 625         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 626                 TDM_INFO("----------------------------------------- output(%d) got vblank", private_output->pipe);
 627
 628         _pthread_mutex_unlock(&private_display->lock);
 629         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &clone_list, link) {
 630                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 631                         TDM_INFO("handler(%p)", v);
 632
 633                 if (v->func)
 634                         v->func(v->private_output, sequence, tv_sec, tv_usec, v->user_data);
 635                 LIST_DEL(&v->link);
 636                 free(v);
 637         }
 638         _pthread_mutex_lock(&private_display->lock);
 639
 640         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 641                 TDM_INFO("-----------------------------------------...");
 642 }
 643
 644 INTERN void
 645 tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 646                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 647 {
 648         tdm_private_output_commit_handler *output_commit_handler = user_data;
 649         tdm_private_display *private_display;
 650         tdm_private_output *private_output;
 651         tdm_private_layer *private_layer = NULL;
 652
 653         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 654
 655         if (!output_commit_handler)
 656                 return;
 657
 658         private_output = output_commit_handler->private_output;
 659         private_display = private_output->private_display;
 660
 661         if (output_commit_handler->owner_tid != syscall(SYS_gettid)) {
 662                 tdm_thread_cb_output_commit output_commit;
 663                 tdm_error ret;
 664
 665                 output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
 666                 output_commit.base.length = sizeof output_commit;
 667                 output_commit.output_stamp = private_output->stamp;
 668                 output_commit.sequence = sequence;
 669                 output_commit.tv_sec = tv_sec;
 670                 output_commit.tv_usec = tv_usec;
 671                 output_commit.user_data = user_data;
 672
 673                 ret = tdm_thread_send_cb(private_display->private_loop, &output_commit.base);
 674                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 675
 676                 return;
 677         }
 678
 679         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
 680                 TDM_INFO("----------------------------------------- output(%d) committed", private_output->pipe);
 681                 TDM_INFO("handler(%p)", output_commit_handler);
 682         }
 683
 684         if (private_display->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
 685                 /* In case of layer commit, the below will be handled in the layer commit callback */
 686                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 687                         if (private_layer->committed_buffer)
 688                                 tdm_layer_committed(private_layer, &private_layer->committed_buffer);
 689                 }
 690         }
 691
 692         if (output_commit_handler->func) {
 693                 _pthread_mutex_unlock(&private_display->lock);
 694                 output_commit_handler->func(private_output, sequence,
 695                                                                         tv_sec, tv_usec, output_commit_handler->user_data);
 696                 _pthread_mutex_lock(&private_display->lock);
 697         }
 698
 699         LIST_DEL(&output_commit_handler->link);
 700         free(output_commit_handler);
 701
 702         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 703                 TDM_INFO("-----------------------------------------...");
 704 }
 705
 706 /* add_front: To distinguish between the user vblank handlers and the layer
 707  *            commit vblank handlers. The layer commit handlers will be called
 708  *            before calling the user vblank handlers.
 709  */
 710 static tdm_error
 711 _tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 712                                                 tdm_output_vblank_handler func, void *user_data,
 713                                                 unsigned int add_front)
 714 {
 715         tdm_func_output *func_output;
 716         tdm_private_vblank_handler *vblank_handler = NULL, *v = NULL;
 717         unsigned int skip_request = 0;
 718         pid_t tid = syscall(SYS_gettid);
 719
 720         OUTPUT_FUNC_ENTRY();
 721
 722         func_output = &private_display->func_output;
 723
 724         /* interval SHOULD be at least 1 */
 725         if (interval <= 0)
 726                 interval = 1;
 727
 728         if (!func_output->output_wait_vblank) {
 729                 TDM_ERR("not implemented!!");
 730                 return TDM_ERROR_NOT_IMPLEMENTED;
 731         }
 732
 733         if (!private_output->regist_vblank_cb) {
 734                 private_output->regist_vblank_cb = 1;
 735                 ret = func_output->output_set_vblank_handler(private_output->output_backend,
 736                                 tdm_output_cb_vblank);
 737         }
 738
 739         vblank_handler = calloc(1, sizeof(tdm_private_vblank_handler));
 740         if (!vblank_handler) {
 741                 TDM_ERR("failed: alloc memory");
 742                 return TDM_ERROR_OUT_OF_MEMORY;
 743         }
 744
 745         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 746                 TDM_INFO("output(%d) wait_vblank: handler(%p)", private_output->pipe, vblank_handler);
 747
 748         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 749                 if (v->interval == interval && v->sync == sync && v->owner_tid == tid) {
 750                         skip_request = 1;
 751                         break;
 752                 }
 753         }
 754
 755         if (add_front)
 756                 LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
 757         else
 758                 LIST_ADDTAIL(&vblank_handler->link, &private_output->vblank_handler_list);
 759
 760         vblank_handler->private_output = private_output;
 761         vblank_handler->interval = interval;
 762         vblank_handler->sync = sync;
 763         vblank_handler->func = func;
 764         vblank_handler->user_data = user_data;
 765         vblank_handler->owner_tid = tid;
 766
 767         /* If there is the previous request, we can skip to call output_wait_vblank() */
 768         if (!skip_request) {
 769                 ret = func_output->output_wait_vblank(private_output->output_backend, interval,
 770                                                                                           sync, vblank_handler);
 771                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 772
 773                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 774                         TDM_INFO("output(%d) backend wait_vblank", private_output->pipe);
 775         }
 776
 777         return ret;
 778
 779 wait_failed:
 780         if (vblank_handler) {
 781                 LIST_DEL(&vblank_handler->link);
 782                 free(vblank_handler);
 783         }
 784         return ret;
 785 }
 786
 787 EXTERN tdm_error
 788 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 789                                            tdm_output_vblank_handler func, void *user_data)
 790 {
 791         OUTPUT_FUNC_ENTRY();
 792
 793         _pthread_mutex_lock(&private_display->lock);
 794
 795         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
 796                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 797                                 tdm_dpms_str(private_output->current_dpms_value));
 798                 _pthread_mutex_unlock(&private_display->lock);
 799                 return TDM_ERROR_DPMS_OFF;
 800         }
 801
 802         ret = _tdm_output_wait_vblank(output, interval, sync, func, user_data, 0);
 803
 804         _pthread_mutex_unlock(&private_display->lock);
 805
 806         return ret;
 807 }
 808
 809 EXTERN tdm_error
 810 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
 811                                                                  tdm_output_vblank_handler func, void *user_data)
 812 {
 813         OUTPUT_FUNC_ENTRY();
 814
 815         _pthread_mutex_lock(&private_display->lock);
 816
 817         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
 818                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 819                                 tdm_dpms_str(private_output->current_dpms_value));
 820                 _pthread_mutex_unlock(&private_display->lock);
 821                 return TDM_ERROR_DPMS_OFF;
 822         }
 823
 824         ret = _tdm_output_wait_vblank(output, interval, sync, func, user_data, 1);
 825
 826         _pthread_mutex_unlock(&private_display->lock);
 827
 828         return ret;
 829 }
 830
 831 INTERN void
 832 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
 833 {
 834         tdm_private_output *private_output = (tdm_private_output*)output;
 835         tdm_private_vblank_handler *v = NULL;
 836
 837         TDM_RETURN_IF_FAIL(private_output != NULL);
 838
 839         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 840                 if (v->func == func && v->user_data == user_data) {
 841                         /* only set func & user_data to NULL. It will be freed when an event occurs */
 842                         v->func = NULL;
 843                         v->user_data = NULL;
 844                         break;
 845                 }
 846         }
 847 }
 848
 849 INTERN void
 850 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data)
 851 {
 852         tdm_private_output *private_output = (tdm_private_output*)output;
 853         tdm_private_output_commit_handler *c = NULL;
 854
 855         TDM_RETURN_IF_FAIL(private_output != NULL);
 856
 857         LIST_FOR_EACH_ENTRY(c, &private_output->output_commit_handler_list, link) {
 858                 if (c->func == func && c->user_data == user_data) {
 859                         /* only set func & user_data to NULL. It will be freed when an event occurs */
 860                         c->func = NULL;
 861                         c->user_data = NULL;
 862                         break;
 863                 }
 864         }
 865 }
 866
 867 EXTERN tdm_error
 868 tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
 869 {
 870         OUTPUT_FUNC_ENTRY();
 871
 872         _pthread_mutex_lock(&private_display->lock);
 873
 874         tdm_output_remove_vblank_handler_internal(output, func, user_data);
 875
 876         _pthread_mutex_unlock(&private_display->lock);
 877
 878         return ret;
 879 }
 880
 881 EXTERN tdm_error
 882 tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data)
 883 {
 884         OUTPUT_FUNC_ENTRY();
 885
 886         _pthread_mutex_lock(&private_display->lock);
 887
 888         tdm_output_remove_commit_handler_internal(output, func, user_data);
 889
 890         _pthread_mutex_unlock(&private_display->lock);
 891
 892         return ret;
 893 }
 894
 895 INTERN tdm_error
 896 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
 897 {
 898         tdm_func_output *func_output;
 899         tdm_private_output_commit_handler *output_commit_handler = NULL;
 900         tdm_private_layer *private_layer = NULL;
 901         tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
 902
 903         OUTPUT_FUNC_ENTRY();
 904
 905         func_output = &private_display->func_output;
 906
 907         if (!func_output->output_commit) {
 908                 TDM_ERR("not implemented!!");
 909                 return TDM_ERROR_NOT_IMPLEMENTED;
 910         }
 911
 912         /* TODO: this is ugly. But before using tdm_output_get_dpms_internal, we have
 913          * to check if all backends's DPMS operation has no problem.
 914          */
 915         if (private_display->commit_per_vblank)
 916                 tdm_output_get_dpms_internal(output, &dpms_value);
 917         else
 918                 dpms_value = private_output->current_dpms_value;
 919
 920         if (dpms_value == TDM_OUTPUT_DPMS_ON) {
 921                 if (func) {
 922                         if (!private_output->regist_commit_cb) {
 923                                 private_output->regist_commit_cb = 1;
 924                                 ret = func_output->output_set_commit_handler(private_output->output_backend,
 925                                                         tdm_output_cb_commit);
 926                                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 927                         }
 928
 929                         output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
 930                         if (!output_commit_handler) {
 931                                 TDM_ERR("failed: alloc memory");
 932                                 return TDM_ERROR_OUT_OF_MEMORY;
 933                         }
 934
 935                         LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
 936                         output_commit_handler->private_output = private_output;
 937                         output_commit_handler->func = func;
 938                         output_commit_handler->user_data = user_data;
 939                         output_commit_handler->owner_tid = syscall(SYS_gettid);
 940                 }
 941
 942                 ret = func_output->output_commit(private_output->output_backend, sync,
 943                                 output_commit_handler);
 944                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 945
 946                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 947                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
 948                                         private_output->pipe, output_commit_handler, func, user_data);
 949         }
 950
 951         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
 952          * for tdm_layer_committed() function.
 953          */
 954         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 955                 if (!private_layer->waiting_buffer)
 956                         continue;
 957
 958                 private_layer->committed_buffer = private_layer->waiting_buffer;
 959                 private_layer->waiting_buffer = NULL;
 960                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 961                         TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
 962                                          private_layer, private_layer->waiting_buffer,
 963                                          private_layer->committed_buffer->buffer);
 964         }
 965
 966         if (dpms_value != TDM_OUTPUT_DPMS_ON) {
 967                 TDM_WRN("TDM_OUTPUT_DPMS_OFF. Directly call commit handler instead of commit.");
 968                 if (func)
 969                         func(output, 0, 0, 0, user_data);
 970         }
 971
 972         return ret;
 973
 974 commit_failed:
 975         if (output_commit_handler) {
 976                 LIST_DEL(&output_commit_handler->link);
 977                 free(output_commit_handler);
 978         }
 979         return ret;
 980 }
 981
 982 EXTERN tdm_error
 983 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
 984                                   void *user_data)
 985 {
 986         OUTPUT_FUNC_ENTRY();
 987
 988         _pthread_mutex_lock(&private_display->lock);
 989
 990         if (private_display->commit_type == TDM_COMMIT_TYPE_NONE)
 991                 private_display->commit_type = TDM_COMMIT_TYPE_OUTPUT;
 992         else if (private_display->commit_type == TDM_COMMIT_TYPE_LAYER) {
 993                 TDM_ERR("Can't supported. Use tdm_layer_commit");
 994                 _pthread_mutex_unlock(&private_display->lock);
 995                 return TDM_ERROR_BAD_REQUEST;
 996         }
 997
 998         if (private_display->commit_per_vblank) {
 999                 TDM_ERR("Use tdm_layer_commit");
1000                 _pthread_mutex_unlock(&private_display->lock);
1001                 return TDM_ERROR_BAD_REQUEST;
1002         }
1003
1004         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
1005                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
1006                                 tdm_dpms_str(private_output->current_dpms_value));
1007                 _pthread_mutex_unlock(&private_display->lock);
1008                 return TDM_ERROR_DPMS_OFF;
1009         }
1010
1011         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1012                 TDM_INFO("output(%d) commit", private_output->pipe);
1013
1014         ret = tdm_output_commit_internal(output, sync, func, user_data);
1015
1016         _pthread_mutex_unlock(&private_display->lock);
1017
1018         return ret;
1019 }
1020
1021 EXTERN tdm_error
1022 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
1023 {
1024         tdm_func_output *func_output;
1025         OUTPUT_FUNC_ENTRY();
1026
1027         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1028
1029         _pthread_mutex_lock(&private_display->lock);
1030
1031         func_output = &private_display->func_output;
1032
1033         if (!func_output->output_set_mode) {
1034                 _pthread_mutex_unlock(&private_display->lock);
1035                 TDM_ERR("not implemented!!");
1036                 return TDM_ERROR_NOT_IMPLEMENTED;
1037         }
1038
1039         ret = func_output->output_set_mode(private_output->output_backend, mode);
1040         if (ret == TDM_ERROR_NONE)
1041                 private_output->current_mode = mode;
1042         _pthread_mutex_unlock(&private_display->lock);
1043
1044         return ret;
1045 }
1046
1047 EXTERN tdm_error
1048 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
1049 {
1050         OUTPUT_FUNC_ENTRY();
1051
1052         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1053
1054         _pthread_mutex_lock(&private_display->lock);
1055
1056         *mode = private_output->current_mode;
1057
1058         _pthread_mutex_unlock(&private_display->lock);
1059
1060         return ret;
1061 }
1062
1063 static tdm_error
1064 _tdm_output_dpms_changed_timeout(void *user_data)
1065 {
1066         tdm_private_output *private_output = user_data;
1067         tdm_value value;
1068
1069         value.u32 = private_output->current_dpms_value;
1070         tdm_output_call_change_handler_internal(private_output,
1071                                                                                         &private_output->change_handler_list_sub,
1072                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1073                                                                                         value, 0);
1074
1075         return TDM_ERROR_NONE;
1076 }
1077
1078 INTERN void
1079 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms, void *user_data)
1080 {
1081         tdm_private_display *private_display;
1082         tdm_private_output *private_output = user_data;
1083         tdm_value value;
1084
1085         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1086         TDM_RETURN_IF_FAIL(private_output);
1087
1088         private_display = private_output->private_display;
1089
1090         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
1091                 tdm_thread_cb_output_dpms output_dpms;
1092                 tdm_error ret;
1093
1094                 _tdm_output_update(output_backend, user_data);
1095
1096                 output_dpms.base.type = TDM_THREAD_CB_OUTPUT_DPMS;
1097                 output_dpms.base.length = sizeof output_dpms;
1098                 output_dpms.output_stamp = private_output->stamp;
1099                 output_dpms.dpms = dpms;
1100                 output_dpms.user_data = user_data;
1101
1102                 value.u32 = dpms;
1103                 tdm_output_call_change_handler_internal(private_output,
1104                                                                                                 &private_output->change_handler_list_sub,
1105                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1106                                                                                                 value, 0);
1107
1108                 ret = tdm_thread_send_cb(private_display->private_loop, &output_dpms.base);
1109                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1110
1111                 return;
1112         }
1113
1114         private_output->current_dpms_value = dpms;
1115
1116         TDM_INFO("output(%d) dpms %s", private_output->pipe, tdm_dpms_str(dpms));
1117
1118         value.u32 = dpms;
1119         tdm_output_call_change_handler_internal(private_output,
1120                                                                                         &private_output->change_handler_list_main,
1121                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1122                                                                                         value, 0);
1123 }
1124
1125 EXTERN tdm_error
1126 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1127 {
1128         tdm_func_output *func_output;
1129         OUTPUT_FUNC_ENTRY();
1130
1131         if (dpms_value > TDM_OUTPUT_DPMS_OFF)
1132                 dpms_value = TDM_OUTPUT_DPMS_OFF;
1133
1134         _pthread_mutex_lock(&private_display->lock);
1135
1136         if (private_output->current_dpms_value == dpms_value) {
1137                 _pthread_mutex_unlock(&private_display->lock);
1138                 return TDM_ERROR_NONE;
1139         }
1140
1141         /** Use timer to call the output change callback of the sub-thread.
1142          * The output change callback of tdm_server and tdm_vblank was called
1143          * in the main thread. And it made the multi thread issue. If we use
1144          * the timer, we can call the sub-thread's output change callback in
1145          * sub-thread.
1146          */
1147         if (!private_output->dpms_changed_timer) {
1148                 private_output->dpms_changed_timer =
1149                         tdm_event_loop_add_timer_handler(private_output->private_display,
1150                                                                                          _tdm_output_dpms_changed_timeout, private_output, NULL);
1151                 if (!private_output->dpms_changed_timer) {
1152                         TDM_ERR("can't create dpms timer!!");
1153                         _pthread_mutex_unlock(&private_display->lock);
1154                         return TDM_ERROR_OUT_OF_MEMORY;
1155                 }
1156         }
1157
1158         func_output = &private_display->func_output;
1159
1160         if (!func_output->output_set_dpms) {
1161                 _pthread_mutex_unlock(&private_display->lock);
1162                 private_output->current_dpms_value = dpms_value;
1163                 TDM_INFO("output(%d) dpms %s", private_output->pipe, tdm_dpms_str(dpms_value));
1164                 TDM_WRN("not implemented!!");
1165                 return TDM_ERROR_NONE;
1166         }
1167
1168         if (func_output->output_set_dpms_handler) {
1169                 if (!private_output->regist_dpms_cb) {
1170                         private_output->regist_dpms_cb = 1;
1171                         ret = func_output->output_set_dpms_handler(private_output->output_backend,
1172                                         tdm_output_cb_dpms, private_output);
1173                         if (ret != TDM_ERROR_NONE) {
1174                                 _pthread_mutex_unlock(&private_display->lock);
1175                                 TDM_ERR("Can't set the dpms handler!!");
1176                                 return ret;
1177                         }
1178                 }
1179         }
1180
1181         ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1182
1183         if (ret == TDM_ERROR_NONE && !func_output->output_set_dpms_handler) {
1184                 tdm_value value;
1185
1186                 private_output->current_dpms_value = dpms_value;
1187                 TDM_INFO("output(%d) dpms %s", private_output->pipe, tdm_dpms_str(dpms_value));
1188
1189                 value.u32 = dpms_value;
1190                 tdm_output_call_change_handler_internal(private_output,
1191                                                                                                 &private_output->change_handler_list_main,
1192                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1193                                                                                                 value, 0);
1194
1195                 if (!LIST_IS_EMPTY(&private_output->change_handler_list_sub)) {
1196                         ret = tdm_event_loop_source_timer_update(private_output->dpms_changed_timer, 1);
1197                         if (ret != TDM_ERROR_NONE)
1198                                 TDM_NEVER_GET_HERE();
1199                 }
1200         }
1201
1202         _pthread_mutex_unlock(&private_display->lock);
1203
1204         return ret;
1205 }
1206
1207 INTERN tdm_error
1208 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1209 {
1210         tdm_func_output *func_output;
1211         OUTPUT_FUNC_ENTRY();
1212
1213         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1214
1215         func_output = &private_display->func_output;
1216
1217         if (!func_output->output_get_dpms) {
1218                 *dpms_value = private_output->current_dpms_value;
1219                 TDM_WRN("not implemented!!");
1220                 return TDM_ERROR_NONE;
1221         }
1222
1223         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1224         if (ret != TDM_ERROR_NONE) {
1225                 TDM_ERR("output_get_dpms failed");
1226                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1227         }
1228
1229         /* TODO: this is ugly. But we have to check if all backends's DPMS operation has no problem. */
1230         if (private_display->commit_per_vblank)
1231                 if (*dpms_value != private_output->current_dpms_value) {
1232                         private_output->current_dpms_value = *dpms_value;
1233                         TDM_ERR("output(%d) dpms changed suddenly: %s",
1234                                         private_output->pipe, tdm_dpms_str(*dpms_value));
1235                 }
1236
1237         return ret;
1238 }
1239
1240 EXTERN tdm_error
1241 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1242 {
1243         OUTPUT_FUNC_ENTRY();
1244
1245         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1246
1247         _pthread_mutex_lock(&private_display->lock);
1248
1249         ret = tdm_output_get_dpms_internal(output, dpms_value);
1250
1251         _pthread_mutex_unlock(&private_display->lock);
1252
1253         return ret;
1254 }
1255
1256 EXTERN tdm_capture *
1257 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1258 {
1259         tdm_capture *capture = NULL;
1260
1261         OUTPUT_FUNC_ENTRY_ERROR();
1262
1263         _pthread_mutex_lock(&private_display->lock);
1264
1265         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1266
1267         _pthread_mutex_unlock(&private_display->lock);
1268
1269         return capture;
1270 }
1271
1272 EXTERN tdm_hwc_window *
1273 tdm_output_create_hwc_window(tdm_output *output, tdm_error *error)
1274 {
1275         tdm_hwc_window *hwc_window = NULL;
1276
1277         OUTPUT_FUNC_ENTRY_ERROR();
1278
1279         _pthread_mutex_lock(&private_display->lock);
1280
1281         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(private_display->hwc_enable, TDM_ERROR_BAD_REQUEST, NULL);
1282
1283         hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, error);
1284
1285         _pthread_mutex_unlock(&private_display->lock);
1286
1287         return hwc_window;
1288 }
1289
1290 EXTERN tdm_error
1291 tdm_output_destroy_hwc_window(tdm_output *output, tdm_hwc_window *hwc_window)
1292 {
1293         OUTPUT_FUNC_ENTRY();
1294
1295         _pthread_mutex_lock(&private_display->lock);
1296
1297         ret = tdm_hwc_window_destroy_internal(hwc_window);
1298
1299         _pthread_mutex_unlock(&private_display->lock);
1300
1301         return ret;
1302 }
1303
1304 EXTERN tdm_error
1305 tdm_output_validate(tdm_output *output, uint32_t *num_types)
1306 {
1307         tdm_func_output *func_output = NULL;
1308
1309         OUTPUT_FUNC_ENTRY();
1310
1311         TDM_RETURN_VAL_IF_FAIL(num_types != NULL, TDM_ERROR_INVALID_PARAMETER);
1312
1313         _pthread_mutex_lock(&private_display->lock);
1314
1315         func_output = &private_display->func_output;
1316
1317         if (!func_output->output_validate) {
1318                 _pthread_mutex_unlock(&private_display->lock);
1319                 TDM_ERR("not implemented!!");
1320                 return TDM_ERROR_NOT_IMPLEMENTED;
1321         }
1322
1323         ret = func_output->output_validate(private_output->output_backend, num_types);
1324
1325         _pthread_mutex_unlock(&private_display->lock);
1326
1327         return ret;
1328 }
1329
1330 EXTERN tdm_error
1331 tdm_output_get_changed_composition_types(tdm_output *output,
1332                                                                                  uint32_t *num_elements,
1333                                                                                  tdm_hwc_window **hwc_window,
1334                                                                                  tdm_hwc_window_composition_t *composition_types)
1335 {
1336         tdm_func_output *func_output = NULL;
1337         tdm_private_hwc_window * private_hwc_window = NULL;
1338         int i = 0;
1339
1340         OUTPUT_FUNC_ENTRY();
1341
1342         TDM_RETURN_VAL_IF_FAIL(num_elements != NULL, TDM_ERROR_INVALID_PARAMETER);
1343
1344         _pthread_mutex_lock(&private_display->lock);
1345
1346         func_output = &private_display->func_output;
1347
1348         if (!func_output->output_get_changed_composition_types) {
1349                 _pthread_mutex_unlock(&private_display->lock);
1350                 TDM_ERR("not implemented!!");
1351                 return TDM_ERROR_NOT_IMPLEMENTED;
1352         }
1353
1354         ret = func_output->output_get_changed_composition_types(private_output->output_backend,
1355                                                          num_elements, hwc_window, composition_types);
1356         TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
1357
1358         if (hwc_window == NULL || composition_types == NULL)
1359                 return TDM_ERROR_NONE;
1360
1361         for (i = 0; i < *num_elements; i++) {
1362
1363                 private_hwc_window = _tdm_output_find_private_hwc_window(private_output, hwc_window[i]);
1364
1365                 if (private_hwc_window == NULL) {
1366                         TDM_ERR("failed! This should never happen!");
1367                         func_output->output_destroy_hwc_window(private_output->output_backend, hwc_window[i]);
1368                         free(hwc_window);
1369                         free(composition_types);
1370                         num_elements = 0;
1371                         hwc_window = NULL;
1372                         composition_types = NULL;
1373                         _pthread_mutex_unlock(&private_display->lock);
1374                         return TDM_ERROR_OPERATION_FAILED;
1375                 }
1376
1377                 hwc_window[i] = (tdm_hwc_window*)private_hwc_window;
1378         }
1379
1380         _pthread_mutex_unlock(&private_display->lock);
1381
1382         return ret;
1383 }
1384
1385 tdm_error
1386 tdm_output_accept_changes(tdm_output *output)
1387 {
1388         tdm_func_output *func_output = NULL;
1389
1390         OUTPUT_FUNC_ENTRY();
1391
1392         _pthread_mutex_lock(&private_display->lock);
1393
1394         func_output = &private_display->func_output;
1395
1396         if (!func_output->output_validate) {
1397                 _pthread_mutex_unlock(&private_display->lock);
1398                 TDM_ERR("not implemented!!");
1399                 return TDM_ERROR_NOT_IMPLEMENTED;
1400         }
1401
1402         ret = func_output->output_accept_changes(private_output->output_backend);
1403
1404         _pthread_mutex_unlock(&private_display->lock);
1405
1406         return ret;
1407 }
1408
1409 tbm_surface_queue_h
1410 tdm_output_get_target_surface_queue(tdm_output *output, tdm_error *error)
1411 {
1412         tdm_func_output *func_output = NULL;
1413         tbm_surface_queue_h queue = NULL;
1414
1415         OUTPUT_FUNC_ENTRY_ERROR();
1416
1417         _pthread_mutex_lock(&private_display->lock);
1418
1419         func_output = &private_display->func_output;
1420
1421         if (!func_output->output_get_target_surface_queue) {
1422                 _pthread_mutex_unlock(&private_display->lock);
1423                 TDM_ERR("not implemented!!");
1424                 return NULL;
1425         }
1426
1427         queue = func_output->output_get_target_surface_queue(private_output->output_backend, error);
1428
1429         _pthread_mutex_unlock(&private_display->lock);
1430
1431         return queue;
1432 }
1433
1434 static void
1435 _tdm_target_window_dump_buffer(tdm_private_output *private_output, tbm_surface_h buffer)
1436 {
1437         unsigned int pipe;
1438         char fname[PATH_MAX];
1439
1440         pipe = private_output->pipe;
1441
1442         snprintf(fname, sizeof(fname), "tdm_%d_target_win", pipe);
1443
1444         tbm_surface_internal_dump_buffer(buffer, fname);
1445         TDM_DBG("%s dump excute", fname);
1446
1447         return;
1448 }
1449
1450 EXTERN tdm_error
1451 tdm_output_set_client_target_buffer(tdm_output *output, tbm_surface_h buffer,
1452                                                                         tdm_hwc_region damage)
1453 {
1454         tdm_func_output *func_output = NULL;
1455
1456         OUTPUT_FUNC_ENTRY();
1457
1458         _pthread_mutex_lock(&private_display->lock);
1459
1460         if (tdm_debug_dump & TDM_DUMP_FLAG_WINDOW) {
1461                 char str[TDM_PATH_LEN];
1462                 static int i;
1463                 snprintf(str, TDM_PATH_LEN, "target_window_%d_%03d",
1464                                  private_output->index, i++);
1465                 tdm_helper_dump_buffer_str(buffer, tdm_debug_dump_dir, str);
1466         }
1467
1468         func_output = &private_display->func_output;
1469
1470         if (!func_output->output_set_client_target_buffer) {
1471                 _pthread_mutex_unlock(&private_display->lock);
1472                 TDM_ERR("not implemented!!");
1473                 return TDM_ERROR_NOT_IMPLEMENTED;
1474         }
1475
1476         /* dump buffer */
1477         if (tdm_dump_enable)
1478                 _tdm_target_window_dump_buffer((tdm_private_output *)output, buffer);
1479
1480         ret = func_output->output_set_client_target_buffer(private_output->output_backend, buffer, damage);
1481
1482         _pthread_mutex_unlock(&private_display->lock);
1483
1484         return ret;
1485 }
1486
1487 INTERN void
1488 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
1489                                                                                 struct list_head *change_handler_list,
1490                                                                                 tdm_output_change_type type,
1491                                                                                 tdm_value value,
1492                                                                                 int no_check_thread_id)
1493 {
1494         tdm_private_display *private_display;
1495         tdm_private_change_handler *change_handler = NULL;
1496
1497         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1498         TDM_RETURN_IF_FAIL(private_output);
1499
1500         private_display = private_output->private_display;
1501         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
1502                 if (type & TDM_OUTPUT_CHANGE_CONNECTION)
1503                         TDM_INFO("output(%d) changed: %s (%d)",
1504                                          private_output->pipe, tdm_status_str(value.u32), value.u32);
1505                 if (type & TDM_OUTPUT_CHANGE_DPMS)
1506                         TDM_INFO("output(%d) changed: dpms %s (%d)",
1507                                          private_output->pipe, tdm_dpms_str(value.u32), value.u32);
1508         }
1509
1510         if (LIST_IS_EMPTY(change_handler_list))
1511                 return;
1512
1513         LIST_FOR_EACH_ENTRY(change_handler, change_handler_list, link) {
1514                 if (!no_check_thread_id && change_handler->owner_tid != syscall(SYS_gettid))
1515                         TDM_NEVER_GET_HERE();
1516
1517                 _pthread_mutex_unlock(&private_display->lock);
1518                 change_handler->func(private_output, type,
1519                                                          value, change_handler->user_data);
1520                 _pthread_mutex_lock(&private_display->lock);
1521         }
1522 }