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
 303                 /* an ecore_drm related fix: sorry... when ecore_drm refuses to use
 304                 * tdm_layer we'll remove this code */
 305                 if (count)
 306                         *count = 1;
 307                 //*count = 0;
 308
 309                 _pthread_mutex_unlock(&private_display->lock);
 310                 return TDM_ERROR_NONE;
 311         }
 312
 313         *count = 0;
 314         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
 315         (*count)++;
 316         if (*count == 0) {
 317                 _pthread_mutex_unlock(&private_display->lock);
 318                 return TDM_ERROR_NONE;
 319         }
 320
 321         _pthread_mutex_unlock(&private_display->lock);
 322
 323         return ret;
 324 }
 325
 326
 327 EXTERN tdm_layer *
 328 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 329 {
 330         tdm_private_layer *private_layer = NULL;
 331
 332         OUTPUT_FUNC_ENTRY_ERROR();
 333
 334         _pthread_mutex_lock(&private_display->lock);
 335
 336         if (error)
 337                 *error = TDM_ERROR_NONE;
 338
 339         if (private_display->hwc_enable) {
 340                 _pthread_mutex_unlock(&private_display->lock);
 341                 if (error)
 342                         *error = TDM_ERROR_INVALID_PARAMETER;
 343
 344                 /* an ecore_drm related fix: sorry... when ecore_drm refuses to use tdm_layer
 345                  * we'll remove this code */
 346                 return (tdm_layer *)0xffffffffffffffff;
 347                 //return NULL;
 348         }
 349
 350         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 351                 if (private_layer->index == index) {
 352                         _pthread_mutex_unlock(&private_display->lock);
 353                         return private_layer;
 354                 }
 355         }
 356
 357         _pthread_mutex_unlock(&private_display->lock);
 358
 359         return NULL;
 360 }
 361
 362 EXTERN tdm_error
 363 tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
 364                                                                         int *count)
 365 {
 366         OUTPUT_FUNC_ENTRY();
 367
 368         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 369         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 370
 371         _pthread_mutex_lock(&private_display->lock);
 372
 373         *props = (const tdm_prop *)private_output->caps.props;
 374         *count = private_output->caps.prop_count;
 375
 376         _pthread_mutex_unlock(&private_display->lock);
 377
 378         return ret;
 379 }
 380
 381 EXTERN tdm_error
 382 tdm_output_get_available_modes(tdm_output *output,
 383                                                            const tdm_output_mode **modes, int *count)
 384 {
 385         OUTPUT_FUNC_ENTRY();
 386
 387         TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
 388         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 389
 390         _pthread_mutex_lock(&private_display->lock);
 391
 392         *modes = (const tdm_output_mode *)private_output->caps.modes;
 393         *count = private_output->caps.mode_count;
 394
 395         _pthread_mutex_unlock(&private_display->lock);
 396
 397         return ret;
 398 }
 399
 400 EXTERN tdm_error
 401 tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
 402                                                           int *max_w, int *max_h, int *preferred_align)
 403 {
 404         OUTPUT_FUNC_ENTRY();
 405
 406         _pthread_mutex_lock(&private_display->lock);
 407
 408         if (min_w)
 409                 *min_w = TDM_FRONT_VALUE(private_output->caps.min_w);
 410         if (min_h)
 411                 *min_h = TDM_FRONT_VALUE(private_output->caps.min_h);
 412         if (max_w)
 413                 *max_w = TDM_FRONT_VALUE(private_output->caps.max_w);
 414         if (max_h)
 415                 *max_h = TDM_FRONT_VALUE(private_output->caps.max_h);
 416         if (preferred_align)
 417                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.preferred_align);
 418
 419         _pthread_mutex_unlock(&private_display->lock);
 420
 421         return ret;
 422 }
 423
 424 EXTERN tdm_error
 425 tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
 426                                                                          int *max_w, int *max_h, int *preferred_align)
 427 {
 428         OUTPUT_FUNC_ENTRY();
 429
 430         _pthread_mutex_lock(&private_display->lock);
 431
 432         if (!tdm_display_check_module_abi(private_display, 1, 5)) {
 433
 434                 if (min_w)
 435                         *min_w = -1;
 436                 if (min_h)
 437                         *min_h = -1;
 438                 if (max_w)
 439                         *max_w = -1;
 440                 if (max_h)
 441                         *max_h = -1;
 442                 if (preferred_align)
 443                         *preferred_align = -1;
 444
 445                 _pthread_mutex_unlock(&private_display->lock);
 446
 447                 return TDM_ERROR_BAD_MODULE;
 448         }
 449
 450         if (min_w)
 451                 *min_w = TDM_FRONT_VALUE(private_output->caps.cursor_min_w);
 452         if (min_h)
 453                 *min_h = TDM_FRONT_VALUE(private_output->caps.cursor_min_h);
 454         if (max_w)
 455                 *max_w = TDM_FRONT_VALUE(private_output->caps.cursor_max_w);
 456         if (max_h)
 457                 *max_h = TDM_FRONT_VALUE(private_output->caps.cursor_max_h);
 458         if (preferred_align)
 459                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.cursor_preferred_align);
 460
 461         _pthread_mutex_unlock(&private_display->lock);
 462
 463         return ret;
 464 }
 465
 466 EXTERN tdm_error
 467 tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
 468                                                          unsigned int *mmHeight)
 469 {
 470         OUTPUT_FUNC_ENTRY();
 471
 472         _pthread_mutex_lock(&private_display->lock);
 473
 474         if (mmWidth)
 475                 *mmWidth = private_output->caps.mmWidth;
 476         if (mmHeight)
 477                 *mmHeight = private_output->caps.mmHeight;
 478
 479         _pthread_mutex_unlock(&private_display->lock);
 480
 481         return ret;
 482 }
 483
 484 EXTERN tdm_error
 485 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
 486 {
 487         OUTPUT_FUNC_ENTRY();
 488         TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
 489
 490         _pthread_mutex_lock(&private_display->lock);
 491
 492         *subpixel = private_output->caps.subpixel;
 493
 494         _pthread_mutex_unlock(&private_display->lock);
 495
 496         return ret;
 497 }
 498
 499 EXTERN tdm_error
 500 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
 501 {
 502         OUTPUT_FUNC_ENTRY();
 503         TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
 504
 505         _pthread_mutex_lock(&private_display->lock);
 506
 507         *pipe = private_output->pipe;
 508
 509         _pthread_mutex_unlock(&private_display->lock);
 510
 511         return ret;
 512 }
 513
 514 EXTERN tdm_error
 515 tdm_output_get_primary_index(tdm_output *output, int *index)
 516 {
 517         tdm_private_layer *private_layer = NULL;
 518
 519         OUTPUT_FUNC_ENTRY();
 520         TDM_RETURN_VAL_IF_FAIL(index != NULL, TDM_ERROR_INVALID_PARAMETER);
 521
 522         _pthread_mutex_lock(&private_display->lock);
 523
 524         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 525                 if (private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_PRIMARY) {
 526                         *index = private_layer->index;
 527                         break;
 528                 }
 529         }
 530
 531         _pthread_mutex_unlock(&private_display->lock);
 532
 533         return ret;
 534 }
 535
 536 EXTERN tdm_error
 537 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
 538 {
 539         tdm_func_output *func_output;
 540         OUTPUT_FUNC_ENTRY();
 541
 542         _pthread_mutex_lock(&private_display->lock);
 543
 544         func_output = &private_display->func_output;
 545
 546         if (!func_output->output_set_property) {
 547                 _pthread_mutex_unlock(&private_display->lock);
 548                 TDM_ERR("not implemented!!");
 549                 return TDM_ERROR_NOT_IMPLEMENTED;
 550         }
 551
 552         ret = func_output->output_set_property(private_output->output_backend, id,
 553                                                                                    value);
 554
 555         _pthread_mutex_unlock(&private_display->lock);
 556
 557         return ret;
 558 }
 559
 560 EXTERN tdm_error
 561 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 562 {
 563         tdm_func_output *func_output;
 564         OUTPUT_FUNC_ENTRY();
 565
 566         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 567
 568         _pthread_mutex_lock(&private_display->lock);
 569
 570         func_output = &private_display->func_output;
 571
 572         if (!func_output->output_get_property) {
 573                 _pthread_mutex_unlock(&private_display->lock);
 574                 TDM_ERR("not implemented!!");
 575                 return TDM_ERROR_NOT_IMPLEMENTED;
 576         }
 577
 578         ret = func_output->output_get_property(private_output->output_backend, id,
 579                                                                                    value);
 580
 581         _pthread_mutex_unlock(&private_display->lock);
 582
 583         return ret;
 584 }
 585
 586 INTERN void
 587 tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 588                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 589 {
 590         tdm_private_vblank_handler *vblank_handler = user_data;
 591         tdm_private_vblank_handler *v = NULL, *vv = NULL;
 592         tdm_private_output *private_output;
 593         tdm_private_display *private_display;
 594         struct list_head clone_list;
 595         int interval, sync;
 596         pid_t tid = syscall(SYS_gettid);
 597
 598         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 599         TDM_RETURN_IF_FAIL(vblank_handler);
 600
 601         private_output = vblank_handler->private_output;
 602         private_display = private_output->private_display;
 603
 604         if (vblank_handler->owner_tid != tid) {
 605                 tdm_thread_cb_output_vblank output_vblank;
 606                 tdm_error ret;
 607
 608                 output_vblank.base.type = TDM_THREAD_CB_OUTPUT_VBLANK;
 609                 output_vblank.base.length = sizeof output_vblank;
 610                 output_vblank.output_stamp = vblank_handler->private_output->stamp;
 611                 output_vblank.sequence = sequence;
 612                 output_vblank.tv_sec = tv_sec;
 613                 output_vblank.tv_usec = tv_usec;
 614                 output_vblank.user_data = user_data;
 615
 616                 ret = tdm_thread_send_cb(private_display->private_loop, &output_vblank.base);
 617                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 618
 619                 return;
 620         }
 621
 622         if (vblank_handler->owner_tid != tid)
 623                 TDM_NEVER_GET_HERE();
 624
 625         interval = vblank_handler->interval;
 626         sync = vblank_handler->sync;
 627
 628         LIST_INITHEAD(&clone_list);
 629
 630         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 631                 if (v->interval != interval || v->sync != sync || v->owner_tid != tid)
 632                         continue;
 633
 634                 LIST_DEL(&v->link);
 635                 LIST_ADDTAIL(&v->link, &clone_list);
 636         }
 637
 638         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 639                 TDM_INFO("----------------------------------------- output(%d) got vblank", private_output->pipe);
 640
 641         _pthread_mutex_unlock(&private_display->lock);
 642         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &clone_list, link) {
 643                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 644                         TDM_INFO("handler(%p)", v);
 645
 646                 if (v->func)
 647                         v->func(v->private_output, sequence, tv_sec, tv_usec, v->user_data);
 648                 LIST_DEL(&v->link);
 649                 free(v);
 650         }
 651         _pthread_mutex_lock(&private_display->lock);
 652
 653         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 654                 TDM_INFO("-----------------------------------------...");
 655 }
 656
 657 INTERN void
 658 tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 659                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 660 {
 661         tdm_private_output_commit_handler *output_commit_handler = user_data;
 662         tdm_private_display *private_display;
 663         tdm_private_output *private_output;
 664         tdm_private_layer *private_layer = NULL;
 665
 666         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 667
 668         if (!output_commit_handler)
 669                 return;
 670
 671         private_output = output_commit_handler->private_output;
 672         private_display = private_output->private_display;
 673
 674         if (output_commit_handler->owner_tid != syscall(SYS_gettid)) {
 675                 tdm_thread_cb_output_commit output_commit;
 676                 tdm_error ret;
 677
 678                 output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
 679                 output_commit.base.length = sizeof output_commit;
 680                 output_commit.output_stamp = private_output->stamp;
 681                 output_commit.sequence = sequence;
 682                 output_commit.tv_sec = tv_sec;
 683                 output_commit.tv_usec = tv_usec;
 684                 output_commit.user_data = user_data;
 685
 686                 ret = tdm_thread_send_cb(private_display->private_loop, &output_commit.base);
 687                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 688
 689                 return;
 690         }
 691
 692         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
 693                 TDM_INFO("----------------------------------------- output(%d) committed", private_output->pipe);
 694                 TDM_INFO("handler(%p)", output_commit_handler);
 695         }
 696
 697         if (private_display->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
 698                 /* In case of layer commit, the below will be handled in the layer commit callback */
 699                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 700                         if (private_layer->committed_buffer)
 701                                 tdm_layer_committed(private_layer, &private_layer->committed_buffer);
 702                 }
 703         }
 704
 705         if (output_commit_handler->func) {
 706                 _pthread_mutex_unlock(&private_display->lock);
 707                 output_commit_handler->func(private_output, sequence,
 708                                                                         tv_sec, tv_usec, output_commit_handler->user_data);
 709                 _pthread_mutex_lock(&private_display->lock);
 710         }
 711
 712         LIST_DEL(&output_commit_handler->link);
 713         free(output_commit_handler);
 714
 715         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 716                 TDM_INFO("-----------------------------------------...");
 717 }
 718
 719 /* add_front: To distinguish between the user vblank handlers and the layer
 720  *            commit vblank handlers. The layer commit handlers will be called
 721  *            before calling the user vblank handlers.
 722  */
 723 static tdm_error
 724 _tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 725                                                 tdm_output_vblank_handler func, void *user_data,
 726                                                 unsigned int add_front)
 727 {
 728         tdm_func_output *func_output;
 729         tdm_private_vblank_handler *vblank_handler = NULL, *v = NULL;
 730         unsigned int skip_request = 0;
 731         pid_t tid = syscall(SYS_gettid);
 732
 733         OUTPUT_FUNC_ENTRY();
 734
 735         func_output = &private_display->func_output;
 736
 737         /* interval SHOULD be at least 1 */
 738         if (interval <= 0)
 739                 interval = 1;
 740
 741         if (!func_output->output_wait_vblank) {
 742                 TDM_ERR("not implemented!!");
 743                 return TDM_ERROR_NOT_IMPLEMENTED;
 744         }
 745
 746         if (!private_output->regist_vblank_cb) {
 747                 private_output->regist_vblank_cb = 1;
 748                 ret = func_output->output_set_vblank_handler(private_output->output_backend,
 749                                 tdm_output_cb_vblank);
 750         }
 751
 752         vblank_handler = calloc(1, sizeof(tdm_private_vblank_handler));
 753         if (!vblank_handler) {
 754                 TDM_ERR("failed: alloc memory");
 755                 return TDM_ERROR_OUT_OF_MEMORY;
 756         }
 757
 758         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 759                 TDM_INFO("output(%d) wait_vblank: handler(%p)", private_output->pipe, vblank_handler);
 760
 761         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 762                 if (v->interval == interval && v->sync == sync && v->owner_tid == tid) {
 763                         skip_request = 1;
 764                         break;
 765                 }
 766         }
 767
 768         if (add_front)
 769                 LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
 770         else
 771                 LIST_ADDTAIL(&vblank_handler->link, &private_output->vblank_handler_list);
 772
 773         vblank_handler->private_output = private_output;
 774         vblank_handler->interval = interval;
 775         vblank_handler->sync = sync;
 776         vblank_handler->func = func;
 777         vblank_handler->user_data = user_data;
 778         vblank_handler->owner_tid = tid;
 779
 780         /* If there is the previous request, we can skip to call output_wait_vblank() */
 781         if (!skip_request) {
 782                 ret = func_output->output_wait_vblank(private_output->output_backend, interval,
 783                                                                                           sync, vblank_handler);
 784                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 785
 786                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 787                         TDM_INFO("output(%d) backend wait_vblank", private_output->pipe);
 788         }
 789
 790         return ret;
 791
 792 wait_failed:
 793         if (vblank_handler) {
 794                 LIST_DEL(&vblank_handler->link);
 795                 free(vblank_handler);
 796         }
 797         return ret;
 798 }
 799
 800 EXTERN tdm_error
 801 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 802                                            tdm_output_vblank_handler func, void *user_data)
 803 {
 804         OUTPUT_FUNC_ENTRY();
 805
 806         _pthread_mutex_lock(&private_display->lock);
 807
 808         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
 809                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 810                                 tdm_dpms_str(private_output->current_dpms_value));
 811                 _pthread_mutex_unlock(&private_display->lock);
 812                 return TDM_ERROR_DPMS_OFF;
 813         }
 814
 815         ret = _tdm_output_wait_vblank(output, interval, sync, func, user_data, 0);
 816
 817         _pthread_mutex_unlock(&private_display->lock);
 818
 819         return ret;
 820 }
 821
 822 EXTERN tdm_error
 823 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
 824                                                                  tdm_output_vblank_handler func, void *user_data)
 825 {
 826         OUTPUT_FUNC_ENTRY();
 827
 828         _pthread_mutex_lock(&private_display->lock);
 829
 830         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
 831                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 832                                 tdm_dpms_str(private_output->current_dpms_value));
 833                 _pthread_mutex_unlock(&private_display->lock);
 834                 return TDM_ERROR_DPMS_OFF;
 835         }
 836
 837         ret = _tdm_output_wait_vblank(output, interval, sync, func, user_data, 1);
 838
 839         _pthread_mutex_unlock(&private_display->lock);
 840
 841         return ret;
 842 }
 843
 844 INTERN void
 845 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
 846 {
 847         tdm_private_output *private_output = (tdm_private_output*)output;
 848         tdm_private_vblank_handler *v = NULL;
 849
 850         TDM_RETURN_IF_FAIL(private_output != NULL);
 851         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 852
 853         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 854                 if (v->func == func && v->user_data == user_data) {
 855                         /* only set func & user_data to NULL. It will be freed when an event occurs */
 856                         v->func = NULL;
 857                         v->user_data = NULL;
 858                         break;
 859                 }
 860         }
 861 }
 862
 863 INTERN void
 864 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data)
 865 {
 866         tdm_private_output *private_output = (tdm_private_output*)output;
 867         tdm_private_output_commit_handler *c = NULL;
 868
 869         TDM_RETURN_IF_FAIL(private_output != NULL);
 870         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 871
 872         LIST_FOR_EACH_ENTRY(c, &private_output->output_commit_handler_list, link) {
 873                 if (c->func == func && c->user_data == user_data) {
 874                         /* only set func & user_data to NULL. It will be freed when an event occurs */
 875                         c->func = NULL;
 876                         c->user_data = NULL;
 877                         break;
 878                 }
 879         }
 880 }
 881
 882 EXTERN tdm_error
 883 tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
 884 {
 885         OUTPUT_FUNC_ENTRY();
 886
 887         _pthread_mutex_lock(&private_display->lock);
 888
 889         tdm_output_remove_vblank_handler_internal(output, func, user_data);
 890
 891         _pthread_mutex_unlock(&private_display->lock);
 892
 893         return ret;
 894 }
 895
 896 EXTERN tdm_error
 897 tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data)
 898 {
 899         OUTPUT_FUNC_ENTRY();
 900
 901         _pthread_mutex_lock(&private_display->lock);
 902
 903         tdm_output_remove_commit_handler_internal(output, func, user_data);
 904
 905         _pthread_mutex_unlock(&private_display->lock);
 906
 907         return ret;
 908 }
 909
 910 INTERN tdm_error
 911 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
 912 {
 913         tdm_func_output *func_output;
 914         tdm_private_output_commit_handler *output_commit_handler = NULL;
 915         tdm_private_layer *private_layer = NULL;
 916         tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
 917
 918         OUTPUT_FUNC_ENTRY();
 919
 920         func_output = &private_display->func_output;
 921
 922         if (!func_output->output_commit) {
 923                 TDM_ERR("not implemented!!");
 924                 return TDM_ERROR_NOT_IMPLEMENTED;
 925         }
 926
 927         /* TODO: this is ugly. But before using tdm_output_get_dpms_internal, we have
 928          * to check if all backends's DPMS operation has no problem.
 929          */
 930         if (private_display->commit_per_vblank)
 931                 tdm_output_get_dpms_internal(output, &dpms_value);
 932         else
 933                 dpms_value = private_output->current_dpms_value;
 934
 935         if (dpms_value == TDM_OUTPUT_DPMS_ON) {
 936                 if (func) {
 937                         if (!private_output->regist_commit_cb) {
 938                                 private_output->regist_commit_cb = 1;
 939                                 ret = func_output->output_set_commit_handler(private_output->output_backend,
 940                                                         tdm_output_cb_commit);
 941                                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 942                         }
 943
 944                         output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
 945                         if (!output_commit_handler) {
 946                                 TDM_ERR("failed: alloc memory");
 947                                 return TDM_ERROR_OUT_OF_MEMORY;
 948                         }
 949
 950                         LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
 951                         output_commit_handler->private_output = private_output;
 952                         output_commit_handler->func = func;
 953                         output_commit_handler->user_data = user_data;
 954                         output_commit_handler->owner_tid = syscall(SYS_gettid);
 955                 }
 956
 957                 ret = func_output->output_commit(private_output->output_backend, sync,
 958                                 output_commit_handler);
 959                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 960
 961                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 962                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
 963                                         private_output->pipe, output_commit_handler, func, user_data);
 964         }
 965
 966         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
 967          * for tdm_layer_committed() function.
 968          */
 969         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 970                 if (!private_layer->waiting_buffer)
 971                         continue;
 972
 973                 private_layer->committed_buffer = private_layer->waiting_buffer;
 974                 private_layer->waiting_buffer = NULL;
 975                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 976                         TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
 977                                          private_layer, private_layer->waiting_buffer,
 978                                          private_layer->committed_buffer->buffer);
 979         }
 980
 981         if (dpms_value != TDM_OUTPUT_DPMS_ON) {
 982                 TDM_WRN("TDM_OUTPUT_DPMS_OFF. Directly call commit handler instead of commit.");
 983                 if (func)
 984                         func(output, 0, 0, 0, user_data);
 985         }
 986
 987         return ret;
 988
 989 commit_failed:
 990         if (output_commit_handler) {
 991                 LIST_DEL(&output_commit_handler->link);
 992                 free(output_commit_handler);
 993         }
 994         return ret;
 995 }
 996
 997 EXTERN tdm_error
 998 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
 999                                   void *user_data)
1000 {
1001         OUTPUT_FUNC_ENTRY();
1002
1003         _pthread_mutex_lock(&private_display->lock);
1004
1005         if (private_display->commit_type == TDM_COMMIT_TYPE_NONE)
1006                 private_display->commit_type = TDM_COMMIT_TYPE_OUTPUT;
1007         else if (private_display->commit_type == TDM_COMMIT_TYPE_LAYER) {
1008                 TDM_ERR("Can't supported. Use tdm_layer_commit");
1009                 _pthread_mutex_unlock(&private_display->lock);
1010                 return TDM_ERROR_BAD_REQUEST;
1011         }
1012
1013         if (private_display->commit_per_vblank) {
1014                 TDM_ERR("Use tdm_layer_commit");
1015                 _pthread_mutex_unlock(&private_display->lock);
1016                 return TDM_ERROR_BAD_REQUEST;
1017         }
1018
1019         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
1020                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
1021                                 tdm_dpms_str(private_output->current_dpms_value));
1022                 _pthread_mutex_unlock(&private_display->lock);
1023                 return TDM_ERROR_DPMS_OFF;
1024         }
1025
1026         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1027                 TDM_INFO("output(%d) commit", private_output->pipe);
1028
1029         ret = tdm_output_commit_internal(output, sync, func, user_data);
1030
1031         _pthread_mutex_unlock(&private_display->lock);
1032
1033         return ret;
1034 }
1035
1036 EXTERN tdm_error
1037 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
1038 {
1039         tdm_func_output *func_output;
1040         OUTPUT_FUNC_ENTRY();
1041
1042         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1043
1044         _pthread_mutex_lock(&private_display->lock);
1045
1046         func_output = &private_display->func_output;
1047
1048         if (!func_output->output_set_mode) {
1049                 _pthread_mutex_unlock(&private_display->lock);
1050                 TDM_ERR("not implemented!!");
1051                 return TDM_ERROR_NOT_IMPLEMENTED;
1052         }
1053
1054         ret = func_output->output_set_mode(private_output->output_backend, mode);
1055         if (ret == TDM_ERROR_NONE)
1056                 private_output->current_mode = mode;
1057         _pthread_mutex_unlock(&private_display->lock);
1058
1059         return ret;
1060 }
1061
1062 EXTERN tdm_error
1063 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
1064 {
1065         OUTPUT_FUNC_ENTRY();
1066
1067         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1068
1069         _pthread_mutex_lock(&private_display->lock);
1070
1071         *mode = private_output->current_mode;
1072
1073         _pthread_mutex_unlock(&private_display->lock);
1074
1075         return ret;
1076 }
1077
1078 static tdm_error
1079 _tdm_output_dpms_changed_timeout(void *user_data)
1080 {
1081         tdm_private_output *private_output = user_data;
1082         tdm_value value;
1083
1084         value.u32 = private_output->current_dpms_value;
1085         tdm_output_call_change_handler_internal(private_output,
1086                                                                                         &private_output->change_handler_list_sub,
1087                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1088                                                                                         value, 0);
1089
1090         return TDM_ERROR_NONE;
1091 }
1092
1093 INTERN void
1094 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms, void *user_data)
1095 {
1096         tdm_private_display *private_display;
1097         tdm_private_output *private_output = user_data;
1098         tdm_value value;
1099
1100         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1101         TDM_RETURN_IF_FAIL(private_output);
1102
1103         private_display = private_output->private_display;
1104
1105         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
1106                 tdm_thread_cb_output_dpms output_dpms;
1107                 tdm_error ret;
1108
1109                 _tdm_output_update(output_backend, user_data);
1110
1111                 output_dpms.base.type = TDM_THREAD_CB_OUTPUT_DPMS;
1112                 output_dpms.base.length = sizeof output_dpms;
1113                 output_dpms.output_stamp = private_output->stamp;
1114                 output_dpms.dpms = dpms;
1115                 output_dpms.user_data = user_data;
1116
1117                 value.u32 = dpms;
1118                 tdm_output_call_change_handler_internal(private_output,
1119                                                                                                 &private_output->change_handler_list_sub,
1120                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1121                                                                                                 value, 0);
1122
1123                 ret = tdm_thread_send_cb(private_display->private_loop, &output_dpms.base);
1124                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1125
1126                 return;
1127         }
1128
1129         private_output->current_dpms_value = dpms;
1130         private_output->waiting_dpms_change = 0;
1131
1132         TDM_INFO("output(%d) dpms %s", private_output->pipe, tdm_dpms_str(dpms));
1133
1134         value.u32 = dpms;
1135         tdm_output_call_change_handler_internal(private_output,
1136                                                                                         &private_output->change_handler_list_main,
1137                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1138                                                                                         value, 0);
1139 }
1140
1141 EXTERN tdm_error
1142 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1143 {
1144         tdm_func_output *func_output;
1145         OUTPUT_FUNC_ENTRY();
1146
1147         if (dpms_value > TDM_OUTPUT_DPMS_OFF)
1148                 dpms_value = TDM_OUTPUT_DPMS_OFF;
1149
1150         _pthread_mutex_lock(&private_display->lock);
1151
1152         if (private_output->waiting_dpms_change) {
1153                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1154                 _pthread_mutex_unlock(&private_display->lock);
1155                 return TDM_ERROR_BAD_REQUEST;
1156         }
1157
1158         if (private_output->current_dpms_value == dpms_value) {
1159                 _pthread_mutex_unlock(&private_display->lock);
1160                 return TDM_ERROR_NONE;
1161         }
1162
1163         /** Use timer to call the output change callback of the sub-thread.
1164          * The output change callback of tdm_server and tdm_vblank was called
1165          * in the main thread. And it made the multi thread issue. If we use
1166          * the timer, we can call the sub-thread's output change callback in
1167          * sub-thread.
1168          */
1169         if (!private_output->dpms_changed_timer) {
1170                 private_output->dpms_changed_timer =
1171                         tdm_event_loop_add_timer_handler(private_output->private_display,
1172                                                                                          _tdm_output_dpms_changed_timeout, private_output, NULL);
1173                 if (!private_output->dpms_changed_timer) {
1174                         TDM_ERR("can't create dpms timer!!");
1175                         _pthread_mutex_unlock(&private_display->lock);
1176                         return TDM_ERROR_OUT_OF_MEMORY;
1177                 }
1178         }
1179
1180         func_output = &private_display->func_output;
1181
1182         if (func_output->output_set_dpms)
1183                 ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1184         else {
1185                 ret = TDM_ERROR_NONE;
1186                 TDM_WRN("not implemented!!");
1187                 goto done;
1188         }
1189
1190 done:
1191         if (ret == TDM_ERROR_NONE) {
1192                 tdm_value value;
1193
1194                 private_output->current_dpms_value = dpms_value;
1195                 TDM_INFO("output(%d) dpms %s", private_output->pipe, tdm_dpms_str(dpms_value));
1196
1197                 value.u32 = dpms_value;
1198                 tdm_output_call_change_handler_internal(private_output,
1199                                                                                                 &private_output->change_handler_list_main,
1200                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1201                                                                                                 value, 0);
1202
1203                 if (!LIST_IS_EMPTY(&private_output->change_handler_list_sub)) {
1204                         ret = tdm_event_loop_source_timer_update(private_output->dpms_changed_timer, 1);
1205                         if (ret != TDM_ERROR_NONE)
1206                                 TDM_NEVER_GET_HERE();
1207                 }
1208         }
1209
1210         _pthread_mutex_unlock(&private_display->lock);
1211
1212         return ret;
1213 }
1214
1215 EXTERN tdm_error
1216 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
1217 {
1218         tdm_func_output *func_output;
1219         OUTPUT_FUNC_ENTRY();
1220
1221         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_ASYNC_DPMS)) {
1222                 TDM_ERR("output doesn't support the asynchronous DPMS control!");
1223                 return TDM_ERROR_BAD_REQUEST;
1224         }
1225
1226         if (dpms_value > TDM_OUTPUT_DPMS_OFF)
1227                 dpms_value = TDM_OUTPUT_DPMS_OFF;
1228
1229         _pthread_mutex_lock(&private_display->lock);
1230
1231         if (private_output->waiting_dpms_change) {
1232                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1233                 _pthread_mutex_unlock(&private_display->lock);
1234                 return TDM_ERROR_BAD_REQUEST;
1235         }
1236
1237         if (private_output->current_dpms_value == dpms_value) {
1238                 _pthread_mutex_unlock(&private_display->lock);
1239                 return TDM_ERROR_NONE;
1240         }
1241
1242         func_output = &private_display->func_output;
1243         if (!func_output->output_set_dpms_handler) {
1244                 TDM_ERR("not implemented: output_set_dpms_handler");
1245                 _pthread_mutex_unlock(&private_display->lock);
1246                 return TDM_ERROR_NOT_IMPLEMENTED;
1247         }
1248
1249         if (!func_output->output_set_dpms_async) {
1250                 TDM_ERR("not implemented: output_set_dpms_async");
1251                 _pthread_mutex_unlock(&private_display->lock);
1252                 return TDM_ERROR_NOT_IMPLEMENTED;
1253         }
1254
1255         if (!private_output->regist_dpms_cb) {
1256                 private_output->regist_dpms_cb = 1;
1257                 ret = func_output->output_set_dpms_handler(private_output->output_backend,
1258                                 tdm_output_cb_dpms, private_output);
1259                 if (ret != TDM_ERROR_NONE) {
1260                         _pthread_mutex_unlock(&private_display->lock);
1261                         TDM_ERR("Can't set the dpms handler!!");
1262                         return ret;
1263                 }
1264         }
1265
1266         ret = func_output->output_set_dpms_async(private_output->output_backend, dpms_value);
1267
1268         if (ret == TDM_ERROR_NONE)
1269                 private_output->waiting_dpms_change = 1;
1270
1271         _pthread_mutex_unlock(&private_display->lock);
1272
1273         return ret;
1274 }
1275
1276 INTERN tdm_error
1277 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1278 {
1279         tdm_func_output *func_output;
1280         OUTPUT_FUNC_ENTRY();
1281
1282         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1283
1284         func_output = &private_display->func_output;
1285
1286         if (!func_output->output_get_dpms) {
1287                 *dpms_value = private_output->current_dpms_value;
1288                 TDM_WRN("not implemented!!");
1289                 return TDM_ERROR_NONE;
1290         }
1291
1292         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1293         if (ret != TDM_ERROR_NONE) {
1294                 TDM_ERR("output_get_dpms failed");
1295                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1296         }
1297
1298         /* TODO: this is ugly. But we have to check if all backends's DPMS operation has no problem. */
1299         if (private_display->commit_per_vblank)
1300                 if (*dpms_value != private_output->current_dpms_value) {
1301                         private_output->current_dpms_value = *dpms_value;
1302                         TDM_ERR("output(%d) dpms changed suddenly: %s",
1303                                         private_output->pipe, tdm_dpms_str(*dpms_value));
1304                 }
1305
1306         return ret;
1307 }
1308
1309 EXTERN tdm_error
1310 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1311 {
1312         OUTPUT_FUNC_ENTRY();
1313
1314         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1315
1316         _pthread_mutex_lock(&private_display->lock);
1317
1318         ret = tdm_output_get_dpms_internal(output, dpms_value);
1319
1320         _pthread_mutex_unlock(&private_display->lock);
1321
1322         return ret;
1323 }
1324
1325 EXTERN tdm_capture *
1326 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1327 {
1328         tdm_capture *capture = NULL;
1329
1330         OUTPUT_FUNC_ENTRY_ERROR();
1331
1332         _pthread_mutex_lock(&private_display->lock);
1333
1334         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1335
1336         _pthread_mutex_unlock(&private_display->lock);
1337
1338         return capture;
1339 }
1340
1341 EXTERN tdm_hwc_window *
1342 tdm_output_create_hwc_window(tdm_output *output, tdm_error *error)
1343 {
1344         tdm_hwc_window *hwc_window = NULL;
1345
1346         OUTPUT_FUNC_ENTRY_ERROR();
1347
1348         _pthread_mutex_lock(&private_display->lock);
1349
1350         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(private_display->hwc_enable, TDM_ERROR_BAD_REQUEST, NULL);
1351
1352         hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, error);
1353
1354         _pthread_mutex_unlock(&private_display->lock);
1355
1356         return hwc_window;
1357 }
1358
1359 EXTERN tdm_error
1360 tdm_output_destroy_hwc_window(tdm_output *output, tdm_hwc_window *hwc_window)
1361 {
1362         OUTPUT_FUNC_ENTRY();
1363
1364         _pthread_mutex_lock(&private_display->lock);
1365
1366         ret = tdm_hwc_window_destroy_internal(hwc_window);
1367
1368         _pthread_mutex_unlock(&private_display->lock);
1369
1370         return ret;
1371 }
1372
1373 EXTERN tdm_error
1374 tdm_output_validate(tdm_output *output, uint32_t *num_types)
1375 {
1376         tdm_func_output *func_output = NULL;
1377
1378         OUTPUT_FUNC_ENTRY();
1379
1380         TDM_RETURN_VAL_IF_FAIL(num_types != NULL, TDM_ERROR_INVALID_PARAMETER);
1381
1382         _pthread_mutex_lock(&private_display->lock);
1383
1384         func_output = &private_display->func_output;
1385
1386         if (!func_output->output_validate) {
1387                 _pthread_mutex_unlock(&private_display->lock);
1388                 TDM_ERR("not implemented!!");
1389                 return TDM_ERROR_NOT_IMPLEMENTED;
1390         }
1391
1392         ret = func_output->output_validate(private_output->output_backend, num_types);
1393
1394         _pthread_mutex_unlock(&private_display->lock);
1395
1396         return ret;
1397 }
1398
1399 EXTERN tdm_error
1400 tdm_output_set_need_validate_handler(tdm_output *output,
1401                 tdm_output_need_validate_handler hndl)
1402 {
1403         OUTPUT_FUNC_ENTRY();
1404
1405         TDM_RETURN_VAL_IF_FAIL(hndl != NULL, TDM_ERROR_INVALID_PARAMETER);
1406
1407         _pthread_mutex_lock(&private_display->lock);
1408
1409         /* there's no reason to allow this */
1410         if (private_output->need_validate.hndl) {
1411
1412                 _pthread_mutex_unlock(&private_display->lock);
1413                 return TDM_ERROR_OPERATION_FAILED;
1414         }
1415
1416         private_output->need_validate.hndl = hndl;
1417
1418         _pthread_mutex_unlock(&private_display->lock);
1419
1420         return ret;
1421 }
1422
1423 EXTERN tdm_error
1424 tdm_output_get_changed_composition_types(tdm_output *output,
1425                                                                                  uint32_t *num_elements,
1426                                                                                  tdm_hwc_window **hwc_window,
1427                                                                                  tdm_hwc_window_composition_t *composition_types)
1428 {
1429         tdm_func_output *func_output = NULL;
1430         tdm_private_hwc_window * private_hwc_window = NULL;
1431         int i = 0;
1432
1433         OUTPUT_FUNC_ENTRY();
1434
1435         TDM_RETURN_VAL_IF_FAIL(num_elements != NULL, TDM_ERROR_INVALID_PARAMETER);
1436
1437         _pthread_mutex_lock(&private_display->lock);
1438
1439         func_output = &private_display->func_output;
1440
1441         if (!func_output->output_get_changed_composition_types) {
1442                 _pthread_mutex_unlock(&private_display->lock);
1443                 TDM_ERR("not implemented!!");
1444                 return TDM_ERROR_NOT_IMPLEMENTED;
1445         }
1446
1447         ret = func_output->output_get_changed_composition_types(private_output->output_backend,
1448                                                          num_elements, hwc_window, composition_types);
1449         TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
1450
1451         if (hwc_window == NULL || composition_types == NULL)
1452                 return TDM_ERROR_NONE;
1453
1454         for (i = 0; i < *num_elements; i++) {
1455
1456                 private_hwc_window = _tdm_output_find_private_hwc_window(private_output, hwc_window[i]);
1457
1458                 if (private_hwc_window == NULL) {
1459                         TDM_ERR("failed! This should never happen!");
1460                         func_output->output_destroy_hwc_window(private_output->output_backend, hwc_window[i]);
1461                         free(hwc_window);
1462                         free(composition_types);
1463                         num_elements = 0;
1464                         hwc_window = NULL;
1465                         composition_types = NULL;
1466                         _pthread_mutex_unlock(&private_display->lock);
1467                         return TDM_ERROR_OPERATION_FAILED;
1468                 }
1469
1470                 hwc_window[i] = (tdm_hwc_window*)private_hwc_window;
1471         }
1472
1473         _pthread_mutex_unlock(&private_display->lock);
1474
1475         return ret;
1476 }
1477
1478 tdm_error
1479 tdm_output_accept_changes(tdm_output *output)
1480 {
1481         tdm_func_output *func_output = NULL;
1482
1483         OUTPUT_FUNC_ENTRY();
1484
1485         _pthread_mutex_lock(&private_display->lock);
1486
1487         func_output = &private_display->func_output;
1488
1489         if (!func_output->output_validate) {
1490                 _pthread_mutex_unlock(&private_display->lock);
1491                 TDM_ERR("not implemented!!");
1492                 return TDM_ERROR_NOT_IMPLEMENTED;
1493         }
1494
1495         ret = func_output->output_accept_changes(private_output->output_backend);
1496
1497         _pthread_mutex_unlock(&private_display->lock);
1498
1499         return ret;
1500 }
1501
1502 tbm_surface_queue_h
1503 tdm_output_get_target_surface_queue(tdm_output *output, tdm_error *error)
1504 {
1505         tdm_func_output *func_output = NULL;
1506         tbm_surface_queue_h queue = NULL;
1507
1508         OUTPUT_FUNC_ENTRY_ERROR();
1509
1510         _pthread_mutex_lock(&private_display->lock);
1511
1512         func_output = &private_display->func_output;
1513
1514         if (!func_output->output_get_target_surface_queue) {
1515                 _pthread_mutex_unlock(&private_display->lock);
1516                 TDM_ERR("not implemented!!");
1517                 return NULL;
1518         }
1519
1520         queue = func_output->output_get_target_surface_queue(private_output->output_backend, error);
1521
1522         _pthread_mutex_unlock(&private_display->lock);
1523
1524         return queue;
1525 }
1526
1527 static void
1528 _tdm_target_window_dump_buffer(tdm_private_output *private_output, tbm_surface_h buffer)
1529 {
1530         unsigned int pipe;
1531         char fname[PATH_MAX];
1532
1533         pipe = private_output->pipe;
1534
1535         snprintf(fname, sizeof(fname), "tdm_%d_target_win", pipe);
1536
1537         tbm_surface_internal_dump_buffer(buffer, fname);
1538         TDM_DBG("%s dump excute", fname);
1539
1540         return;
1541 }
1542
1543 EXTERN tdm_error
1544 tdm_output_set_client_target_buffer(tdm_output *output, tbm_surface_h buffer,
1545                                                                         tdm_hwc_region damage)
1546 {
1547         tdm_func_output *func_output = NULL;
1548
1549         OUTPUT_FUNC_ENTRY();
1550
1551         _pthread_mutex_lock(&private_display->lock);
1552
1553         if (tdm_debug_dump & TDM_DUMP_FLAG_WINDOW) {
1554                 char str[TDM_PATH_LEN];
1555                 static int i;
1556                 snprintf(str, TDM_PATH_LEN, "target_window_%d_%03d",
1557                                  private_output->index, i++);
1558                 tdm_helper_dump_buffer_str(buffer, tdm_debug_dump_dir, str);
1559         }
1560
1561         func_output = &private_display->func_output;
1562
1563         if (!func_output->output_set_client_target_buffer) {
1564                 _pthread_mutex_unlock(&private_display->lock);
1565                 TDM_ERR("not implemented!!");
1566                 return TDM_ERROR_NOT_IMPLEMENTED;
1567         }
1568
1569         /* dump buffer */
1570         if (tdm_dump_enable)
1571                 _tdm_target_window_dump_buffer((tdm_private_output *)output, buffer);
1572
1573         ret = func_output->output_set_client_target_buffer(private_output->output_backend, buffer, damage);
1574
1575         _pthread_mutex_unlock(&private_display->lock);
1576
1577         return ret;
1578 }
1579
1580 INTERN void
1581 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
1582                                                                                 struct list_head *change_handler_list,
1583                                                                                 tdm_output_change_type type,
1584                                                                                 tdm_value value,
1585                                                                                 int no_check_thread_id)
1586 {
1587         tdm_private_display *private_display;
1588         tdm_private_change_handler *change_handler = NULL;
1589
1590         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1591         TDM_RETURN_IF_FAIL(private_output);
1592
1593         private_display = private_output->private_display;
1594         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
1595                 if (type & TDM_OUTPUT_CHANGE_CONNECTION)
1596                         TDM_INFO("output(%d) changed: %s (%d)",
1597                                          private_output->pipe, tdm_status_str(value.u32), value.u32);
1598                 if (type & TDM_OUTPUT_CHANGE_DPMS)
1599                         TDM_INFO("output(%d) changed: dpms %s (%d)",
1600                                          private_output->pipe, tdm_dpms_str(value.u32), value.u32);
1601         }
1602
1603         if (LIST_IS_EMPTY(change_handler_list))
1604                 return;
1605
1606         LIST_FOR_EACH_ENTRY(change_handler, change_handler_list, link) {
1607                 if (!no_check_thread_id && change_handler->owner_tid != syscall(SYS_gettid))
1608                         TDM_NEVER_GET_HERE();
1609
1610                 _pthread_mutex_unlock(&private_display->lock);
1611                 change_handler->func(private_output, type,
1612                                                          value, change_handler->user_data);
1613                 _pthread_mutex_lock(&private_display->lock);
1614         }
1615 }