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                 LIST_DEL(&v->link);
 647
 648                 if (v->func)
 649                         v->func(v->private_output, sequence, tv_sec, tv_usec, v->user_data);
 650
 651                 free(v);
 652         }
 653         _pthread_mutex_lock(&private_display->lock);
 654
 655         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 656                 TDM_INFO("-----------------------------------------...");
 657 }
 658
 659 INTERN void
 660 tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 661                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 662 {
 663         tdm_private_output_commit_handler *output_commit_handler = user_data;
 664         tdm_private_display *private_display;
 665         tdm_private_output *private_output;
 666         tdm_private_layer *private_layer = NULL;
 667
 668         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 669
 670         if (!output_commit_handler)
 671                 return;
 672
 673         private_output = output_commit_handler->private_output;
 674         private_display = private_output->private_display;
 675
 676         if (output_commit_handler->owner_tid != syscall(SYS_gettid)) {
 677                 tdm_thread_cb_output_commit output_commit;
 678                 tdm_error ret;
 679
 680                 output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
 681                 output_commit.base.length = sizeof output_commit;
 682                 output_commit.output_stamp = private_output->stamp;
 683                 output_commit.sequence = sequence;
 684                 output_commit.tv_sec = tv_sec;
 685                 output_commit.tv_usec = tv_usec;
 686                 output_commit.user_data = user_data;
 687
 688                 ret = tdm_thread_send_cb(private_display->private_loop, &output_commit.base);
 689                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 690
 691                 return;
 692         }
 693
 694         LIST_DEL(&output_commit_handler->link);
 695
 696         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
 697                 TDM_INFO("----------------------------------------- output(%d) committed", private_output->pipe);
 698                 TDM_INFO("handler(%p)", output_commit_handler);
 699         }
 700
 701         if (private_display->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
 702                 /* In case of layer commit, the below will be handled in the layer commit callback */
 703                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 704                         if (private_layer->committed_buffer)
 705                                 tdm_layer_committed(private_layer, &private_layer->committed_buffer);
 706                 }
 707         }
 708
 709         if (output_commit_handler->func) {
 710                 _pthread_mutex_unlock(&private_display->lock);
 711                 output_commit_handler->func(private_output, sequence,
 712                                                                         tv_sec, tv_usec, output_commit_handler->user_data);
 713                 _pthread_mutex_lock(&private_display->lock);
 714         }
 715
 716         free(output_commit_handler);
 717
 718         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 719                 TDM_INFO("-----------------------------------------...");
 720 }
 721
 722 /* add_front: To distinguish between the user vblank handlers and the layer
 723  *            commit vblank handlers. The layer commit handlers will be called
 724  *            before calling the user vblank handlers.
 725  */
 726 static tdm_error
 727 _tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 728                                                 tdm_output_vblank_handler func, void *user_data,
 729                                                 unsigned int add_front)
 730 {
 731         tdm_func_output *func_output;
 732         tdm_private_vblank_handler *vblank_handler = NULL, *v = NULL;
 733         unsigned int skip_request = 0;
 734         pid_t tid = syscall(SYS_gettid);
 735
 736         OUTPUT_FUNC_ENTRY();
 737
 738         func_output = &private_display->func_output;
 739
 740         /* interval SHOULD be at least 1 */
 741         if (interval <= 0)
 742                 interval = 1;
 743
 744         if (!func_output->output_wait_vblank) {
 745                 TDM_ERR("not implemented!!");
 746                 return TDM_ERROR_NOT_IMPLEMENTED;
 747         }
 748
 749         if (!private_output->regist_vblank_cb) {
 750                 private_output->regist_vblank_cb = 1;
 751                 ret = func_output->output_set_vblank_handler(private_output->output_backend,
 752                                 tdm_output_cb_vblank);
 753         }
 754
 755         vblank_handler = calloc(1, sizeof(tdm_private_vblank_handler));
 756         if (!vblank_handler) {
 757                 TDM_ERR("failed: alloc memory");
 758                 return TDM_ERROR_OUT_OF_MEMORY;
 759         }
 760
 761         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 762                 TDM_INFO("output(%d) wait_vblank: handler(%p)", private_output->pipe, vblank_handler);
 763
 764         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 765                 if (v->interval == interval && v->sync == sync && v->owner_tid == tid) {
 766                         skip_request = 1;
 767                         break;
 768                 }
 769         }
 770
 771         if (add_front)
 772                 LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
 773         else
 774                 LIST_ADDTAIL(&vblank_handler->link, &private_output->vblank_handler_list);
 775
 776         vblank_handler->private_output = private_output;
 777         vblank_handler->interval = interval;
 778         vblank_handler->sync = sync;
 779         vblank_handler->func = func;
 780         vblank_handler->user_data = user_data;
 781         vblank_handler->owner_tid = tid;
 782
 783         /* If there is the previous request, we can skip to call output_wait_vblank() */
 784         if (!skip_request) {
 785                 ret = func_output->output_wait_vblank(private_output->output_backend, interval,
 786                                                                                           sync, vblank_handler);
 787                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 788
 789                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 790                         TDM_INFO("output(%d) backend wait_vblank", private_output->pipe);
 791         }
 792
 793         return ret;
 794
 795 wait_failed:
 796         if (vblank_handler) {
 797                 LIST_DEL(&vblank_handler->link);
 798                 free(vblank_handler);
 799         }
 800         return ret;
 801 }
 802
 803 EXTERN tdm_error
 804 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 805                                            tdm_output_vblank_handler func, void *user_data)
 806 {
 807         OUTPUT_FUNC_ENTRY();
 808
 809         _pthread_mutex_lock(&private_display->lock);
 810
 811         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
 812                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 813                                 tdm_dpms_str(private_output->current_dpms_value));
 814                 _pthread_mutex_unlock(&private_display->lock);
 815                 return TDM_ERROR_DPMS_OFF;
 816         }
 817
 818         ret = _tdm_output_wait_vblank(output, interval, sync, func, user_data, 0);
 819
 820         _pthread_mutex_unlock(&private_display->lock);
 821
 822         return ret;
 823 }
 824
 825 EXTERN tdm_error
 826 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
 827                                                                  tdm_output_vblank_handler func, void *user_data)
 828 {
 829         OUTPUT_FUNC_ENTRY();
 830
 831         _pthread_mutex_lock(&private_display->lock);
 832
 833         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
 834                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 835                                 tdm_dpms_str(private_output->current_dpms_value));
 836                 _pthread_mutex_unlock(&private_display->lock);
 837                 return TDM_ERROR_DPMS_OFF;
 838         }
 839
 840         ret = _tdm_output_wait_vblank(output, interval, sync, func, user_data, 1);
 841
 842         _pthread_mutex_unlock(&private_display->lock);
 843
 844         return ret;
 845 }
 846
 847 INTERN void
 848 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
 849 {
 850         tdm_private_output *private_output = (tdm_private_output*)output;
 851         tdm_private_vblank_handler *v = NULL;
 852
 853         TDM_RETURN_IF_FAIL(private_output != NULL);
 854         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 855
 856         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 857                 if (v->func == func && v->user_data == user_data) {
 858                         /* only set func & user_data to NULL. It will be freed when an event occurs */
 859                         v->func = NULL;
 860                         v->user_data = NULL;
 861                         break;
 862                 }
 863         }
 864 }
 865
 866 INTERN void
 867 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data)
 868 {
 869         tdm_private_output *private_output = (tdm_private_output*)output;
 870         tdm_private_output_commit_handler *c = NULL;
 871
 872         TDM_RETURN_IF_FAIL(private_output != NULL);
 873         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 874
 875         LIST_FOR_EACH_ENTRY(c, &private_output->output_commit_handler_list, link) {
 876                 if (c->func == func && c->user_data == user_data) {
 877                         /* only set func & user_data to NULL. It will be freed when an event occurs */
 878                         c->func = NULL;
 879                         c->user_data = NULL;
 880                         break;
 881                 }
 882         }
 883 }
 884
 885 EXTERN tdm_error
 886 tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
 887 {
 888         OUTPUT_FUNC_ENTRY();
 889
 890         _pthread_mutex_lock(&private_display->lock);
 891
 892         tdm_output_remove_vblank_handler_internal(output, func, user_data);
 893
 894         _pthread_mutex_unlock(&private_display->lock);
 895
 896         return ret;
 897 }
 898
 899 EXTERN tdm_error
 900 tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data)
 901 {
 902         OUTPUT_FUNC_ENTRY();
 903
 904         _pthread_mutex_lock(&private_display->lock);
 905
 906         tdm_output_remove_commit_handler_internal(output, func, user_data);
 907
 908         _pthread_mutex_unlock(&private_display->lock);
 909
 910         return ret;
 911 }
 912
 913 INTERN tdm_error
 914 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
 915 {
 916         tdm_func_output *func_output;
 917         tdm_private_output_commit_handler *output_commit_handler = NULL;
 918         tdm_private_layer *private_layer = NULL;
 919         tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
 920
 921         OUTPUT_FUNC_ENTRY();
 922
 923         func_output = &private_display->func_output;
 924
 925         if (!func_output->output_commit) {
 926                 TDM_ERR("not implemented!!");
 927                 return TDM_ERROR_NOT_IMPLEMENTED;
 928         }
 929
 930         /* TODO: this is ugly. But before using tdm_output_get_dpms_internal, we have
 931          * to check if all backends's DPMS operation has no problem.
 932          */
 933         if (private_display->commit_per_vblank)
 934                 tdm_output_get_dpms_internal(output, &dpms_value);
 935         else
 936                 dpms_value = private_output->current_dpms_value;
 937
 938         if (dpms_value == TDM_OUTPUT_DPMS_ON) {
 939                 if (func) {
 940                         if (!private_output->regist_commit_cb) {
 941                                 private_output->regist_commit_cb = 1;
 942                                 ret = func_output->output_set_commit_handler(private_output->output_backend,
 943                                                         tdm_output_cb_commit);
 944                                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 945                         }
 946
 947                         output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
 948                         if (!output_commit_handler) {
 949                                 TDM_ERR("failed: alloc memory");
 950                                 return TDM_ERROR_OUT_OF_MEMORY;
 951                         }
 952
 953                         LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
 954                         output_commit_handler->private_output = private_output;
 955                         output_commit_handler->func = func;
 956                         output_commit_handler->user_data = user_data;
 957                         output_commit_handler->owner_tid = syscall(SYS_gettid);
 958                 }
 959
 960                 ret = func_output->output_commit(private_output->output_backend, sync,
 961                                 output_commit_handler);
 962                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 963
 964                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 965                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
 966                                         private_output->pipe, output_commit_handler, func, user_data);
 967         }
 968
 969         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
 970          * for tdm_layer_committed() function.
 971          */
 972         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 973                 if (!private_layer->waiting_buffer)
 974                         continue;
 975
 976                 private_layer->committed_buffer = private_layer->waiting_buffer;
 977                 private_layer->waiting_buffer = NULL;
 978                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 979                         TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
 980                                          private_layer, private_layer->waiting_buffer,
 981                                          private_layer->committed_buffer->buffer);
 982         }
 983
 984         if (dpms_value != TDM_OUTPUT_DPMS_ON) {
 985                 TDM_WRN("TDM_OUTPUT_DPMS_OFF. Directly call commit handler instead of commit.");
 986                 if (func)
 987                         func(output, 0, 0, 0, user_data);
 988         }
 989
 990         return ret;
 991
 992 commit_failed:
 993         if (output_commit_handler) {
 994                 LIST_DEL(&output_commit_handler->link);
 995                 free(output_commit_handler);
 996         }
 997         return ret;
 998 }
 999
1000 EXTERN tdm_error
1001 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
1002                                   void *user_data)
1003 {
1004         tdm_private_layer *private_layer = NULL;
1005
1006         OUTPUT_FUNC_ENTRY();
1007
1008         _pthread_mutex_lock(&private_display->lock);
1009
1010         if (private_display->commit_type == TDM_COMMIT_TYPE_NONE)
1011                 private_display->commit_type = TDM_COMMIT_TYPE_OUTPUT;
1012         else if (private_display->commit_type == TDM_COMMIT_TYPE_LAYER) {
1013                 TDM_ERR("Can't supported. Use tdm_layer_commit");
1014                 _pthread_mutex_unlock(&private_display->lock);
1015                 return TDM_ERROR_BAD_REQUEST;
1016         }
1017
1018         if (private_display->commit_per_vblank) {
1019                 TDM_ERR("Use tdm_layer_commit");
1020                 _pthread_mutex_unlock(&private_display->lock);
1021                 return TDM_ERROR_BAD_REQUEST;
1022         }
1023
1024         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
1025                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
1026                                 tdm_dpms_str(private_output->current_dpms_value));
1027                 _pthread_mutex_unlock(&private_display->lock);
1028                 return TDM_ERROR_DPMS_OFF;
1029         }
1030
1031         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1032                 TDM_INFO("output(%d) commit", private_output->pipe);
1033
1034         /* apply the pending data of all layers */
1035         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1036                 tdm_layer_commit_pending_data(private_layer);
1037         }
1038
1039         ret = tdm_output_commit_internal(output, sync, func, user_data);
1040
1041         _pthread_mutex_unlock(&private_display->lock);
1042
1043         return ret;
1044 }
1045
1046 EXTERN tdm_error
1047 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
1048 {
1049         tdm_func_output *func_output;
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         func_output = &private_display->func_output;
1057
1058         if (!func_output->output_set_mode) {
1059                 _pthread_mutex_unlock(&private_display->lock);
1060                 TDM_ERR("not implemented!!");
1061                 return TDM_ERROR_NOT_IMPLEMENTED;
1062         }
1063
1064         ret = func_output->output_set_mode(private_output->output_backend, mode);
1065         if (ret == TDM_ERROR_NONE)
1066                 private_output->current_mode = mode;
1067         _pthread_mutex_unlock(&private_display->lock);
1068
1069         return ret;
1070 }
1071
1072 EXTERN tdm_error
1073 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
1074 {
1075         OUTPUT_FUNC_ENTRY();
1076
1077         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1078
1079         _pthread_mutex_lock(&private_display->lock);
1080
1081         *mode = private_output->current_mode;
1082
1083         _pthread_mutex_unlock(&private_display->lock);
1084
1085         return ret;
1086 }
1087
1088 static tdm_error
1089 _tdm_output_dpms_changed_timeout(void *user_data)
1090 {
1091         tdm_private_output *private_output = user_data;
1092         tdm_value value;
1093
1094         value.u32 = private_output->current_dpms_value;
1095         tdm_output_call_change_handler_internal(private_output,
1096                                                                                         &private_output->change_handler_list_sub,
1097                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1098                                                                                         value, 0);
1099
1100         return TDM_ERROR_NONE;
1101 }
1102
1103 INTERN void
1104 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms, void *user_data)
1105 {
1106         tdm_private_display *private_display;
1107         tdm_private_output *private_output = user_data;
1108         tdm_value value;
1109
1110         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1111         TDM_RETURN_IF_FAIL(private_output);
1112
1113         private_display = private_output->private_display;
1114
1115         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
1116                 tdm_thread_cb_output_dpms output_dpms;
1117                 tdm_error ret;
1118
1119                 _tdm_output_update(output_backend, user_data);
1120
1121                 output_dpms.base.type = TDM_THREAD_CB_OUTPUT_DPMS;
1122                 output_dpms.base.length = sizeof output_dpms;
1123                 output_dpms.output_stamp = private_output->stamp;
1124                 output_dpms.dpms = dpms;
1125                 output_dpms.user_data = user_data;
1126
1127                 value.u32 = dpms;
1128                 tdm_output_call_change_handler_internal(private_output,
1129                                                                                                 &private_output->change_handler_list_sub,
1130                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1131                                                                                                 value, 0);
1132
1133                 ret = tdm_thread_send_cb(private_display->private_loop, &output_dpms.base);
1134                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1135
1136                 return;
1137         }
1138
1139         private_output->current_dpms_value = dpms;
1140         private_output->waiting_dpms_change = 0;
1141
1142         TDM_INFO("output(%d) dpms %s", private_output->pipe, tdm_dpms_str(dpms));
1143
1144         value.u32 = dpms;
1145         tdm_output_call_change_handler_internal(private_output,
1146                                                                                         &private_output->change_handler_list_main,
1147                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1148                                                                                         value, 0);
1149 }
1150
1151 EXTERN tdm_error
1152 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1153 {
1154         tdm_func_output *func_output;
1155         OUTPUT_FUNC_ENTRY();
1156
1157         if (dpms_value > TDM_OUTPUT_DPMS_OFF)
1158                 dpms_value = TDM_OUTPUT_DPMS_OFF;
1159
1160         _pthread_mutex_lock(&private_display->lock);
1161
1162         if (private_output->waiting_dpms_change) {
1163                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1164                 _pthread_mutex_unlock(&private_display->lock);
1165                 return TDM_ERROR_BAD_REQUEST;
1166         }
1167
1168         if (private_output->current_dpms_value == dpms_value) {
1169                 _pthread_mutex_unlock(&private_display->lock);
1170                 return TDM_ERROR_NONE;
1171         }
1172
1173         /** Use timer to call the output change callback of the sub-thread.
1174          * The output change callback of tdm_server and tdm_vblank was called
1175          * in the main thread. And it made the multi thread issue. If we use
1176          * the timer, we can call the sub-thread's output change callback in
1177          * sub-thread.
1178          */
1179         if (!private_output->dpms_changed_timer) {
1180                 private_output->dpms_changed_timer =
1181                         tdm_event_loop_add_timer_handler(private_output->private_display,
1182                                                                                          _tdm_output_dpms_changed_timeout, private_output, NULL);
1183                 if (!private_output->dpms_changed_timer) {
1184                         TDM_ERR("can't create dpms timer!!");
1185                         _pthread_mutex_unlock(&private_display->lock);
1186                         return TDM_ERROR_OUT_OF_MEMORY;
1187                 }
1188         }
1189
1190         func_output = &private_display->func_output;
1191
1192         if (func_output->output_set_dpms)
1193                 ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1194         else {
1195                 ret = TDM_ERROR_NONE;
1196                 TDM_WRN("not implemented!!");
1197                 goto done;
1198         }
1199
1200 done:
1201         if (ret == TDM_ERROR_NONE) {
1202                 tdm_value value;
1203
1204                 private_output->current_dpms_value = dpms_value;
1205                 TDM_INFO("output(%d) dpms %s", private_output->pipe, tdm_dpms_str(dpms_value));
1206
1207                 value.u32 = dpms_value;
1208                 tdm_output_call_change_handler_internal(private_output,
1209                                                                                                 &private_output->change_handler_list_main,
1210                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1211                                                                                                 value, 0);
1212
1213                 if (!LIST_IS_EMPTY(&private_output->change_handler_list_sub)) {
1214                         ret = tdm_event_loop_source_timer_update(private_output->dpms_changed_timer, 1);
1215                         if (ret != TDM_ERROR_NONE)
1216                                 TDM_NEVER_GET_HERE();
1217                 }
1218         }
1219
1220         _pthread_mutex_unlock(&private_display->lock);
1221
1222         return ret;
1223 }
1224
1225 EXTERN tdm_error
1226 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
1227 {
1228         tdm_func_output *func_output;
1229         OUTPUT_FUNC_ENTRY();
1230
1231         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_ASYNC_DPMS)) {
1232                 TDM_ERR("output doesn't support the asynchronous DPMS control!");
1233                 return TDM_ERROR_BAD_REQUEST;
1234         }
1235
1236         if (dpms_value > TDM_OUTPUT_DPMS_OFF)
1237                 dpms_value = TDM_OUTPUT_DPMS_OFF;
1238
1239         _pthread_mutex_lock(&private_display->lock);
1240
1241         if (private_output->waiting_dpms_change) {
1242                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1243                 _pthread_mutex_unlock(&private_display->lock);
1244                 return TDM_ERROR_BAD_REQUEST;
1245         }
1246
1247         if (private_output->current_dpms_value == dpms_value) {
1248                 _pthread_mutex_unlock(&private_display->lock);
1249                 return TDM_ERROR_NONE;
1250         }
1251
1252         func_output = &private_display->func_output;
1253         if (!func_output->output_set_dpms_handler) {
1254                 TDM_ERR("not implemented: output_set_dpms_handler");
1255                 _pthread_mutex_unlock(&private_display->lock);
1256                 return TDM_ERROR_NOT_IMPLEMENTED;
1257         }
1258
1259         if (!func_output->output_set_dpms_async) {
1260                 TDM_ERR("not implemented: output_set_dpms_async");
1261                 _pthread_mutex_unlock(&private_display->lock);
1262                 return TDM_ERROR_NOT_IMPLEMENTED;
1263         }
1264
1265         if (!private_output->regist_dpms_cb) {
1266                 private_output->regist_dpms_cb = 1;
1267                 ret = func_output->output_set_dpms_handler(private_output->output_backend,
1268                                 tdm_output_cb_dpms, private_output);
1269                 if (ret != TDM_ERROR_NONE) {
1270                         _pthread_mutex_unlock(&private_display->lock);
1271                         TDM_ERR("Can't set the dpms handler!!");
1272                         return ret;
1273                 }
1274         }
1275
1276         ret = func_output->output_set_dpms_async(private_output->output_backend, dpms_value);
1277
1278         if (ret == TDM_ERROR_NONE)
1279                 private_output->waiting_dpms_change = 1;
1280
1281         _pthread_mutex_unlock(&private_display->lock);
1282
1283         return ret;
1284 }
1285
1286 INTERN tdm_error
1287 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1288 {
1289         tdm_func_output *func_output;
1290         OUTPUT_FUNC_ENTRY();
1291
1292         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1293
1294         func_output = &private_display->func_output;
1295
1296         if (!func_output->output_get_dpms) {
1297                 *dpms_value = private_output->current_dpms_value;
1298                 TDM_WRN("not implemented!!");
1299                 return TDM_ERROR_NONE;
1300         }
1301
1302         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1303         if (ret != TDM_ERROR_NONE) {
1304                 TDM_ERR("output_get_dpms failed");
1305                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1306         }
1307
1308         /* TODO: this is ugly. But we have to check if all backends's DPMS operation has no problem. */
1309         if (private_display->commit_per_vblank)
1310                 if (*dpms_value != private_output->current_dpms_value) {
1311                         private_output->current_dpms_value = *dpms_value;
1312                         TDM_ERR("output(%d) dpms changed suddenly: %s",
1313                                         private_output->pipe, tdm_dpms_str(*dpms_value));
1314                 }
1315
1316         return ret;
1317 }
1318
1319 EXTERN tdm_error
1320 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1321 {
1322         OUTPUT_FUNC_ENTRY();
1323
1324         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1325
1326         _pthread_mutex_lock(&private_display->lock);
1327
1328         ret = tdm_output_get_dpms_internal(output, dpms_value);
1329
1330         _pthread_mutex_unlock(&private_display->lock);
1331
1332         return ret;
1333 }
1334
1335 EXTERN tdm_capture *
1336 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1337 {
1338         tdm_capture *capture = NULL;
1339
1340         OUTPUT_FUNC_ENTRY_ERROR();
1341
1342         _pthread_mutex_lock(&private_display->lock);
1343
1344         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1345
1346         _pthread_mutex_unlock(&private_display->lock);
1347
1348         return capture;
1349 }
1350
1351 EXTERN tdm_hwc_window *
1352 tdm_output_create_hwc_window(tdm_output *output, tdm_error *error)
1353 {
1354         tdm_hwc_window *hwc_window = NULL;
1355
1356         OUTPUT_FUNC_ENTRY_ERROR();
1357
1358         _pthread_mutex_lock(&private_display->lock);
1359
1360         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(private_display->hwc_enable, TDM_ERROR_BAD_REQUEST, NULL);
1361
1362         hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, error);
1363
1364         _pthread_mutex_unlock(&private_display->lock);
1365
1366         return hwc_window;
1367 }
1368
1369 EXTERN tdm_error
1370 tdm_output_destroy_hwc_window(tdm_output *output, tdm_hwc_window *hwc_window)
1371 {
1372         OUTPUT_FUNC_ENTRY();
1373
1374         _pthread_mutex_lock(&private_display->lock);
1375
1376         ret = tdm_hwc_window_destroy_internal(hwc_window);
1377
1378         _pthread_mutex_unlock(&private_display->lock);
1379
1380         return ret;
1381 }
1382
1383 EXTERN tdm_error
1384 tdm_output_validate(tdm_output *output, uint32_t *num_types)
1385 {
1386         tdm_func_output *func_output = NULL;
1387
1388         OUTPUT_FUNC_ENTRY();
1389
1390         TDM_RETURN_VAL_IF_FAIL(num_types != NULL, TDM_ERROR_INVALID_PARAMETER);
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_validate(private_output->output_backend, num_types);
1403
1404         _pthread_mutex_unlock(&private_display->lock);
1405
1406         return ret;
1407 }
1408
1409 EXTERN tdm_error
1410 tdm_output_set_need_validate_handler(tdm_output *output,
1411                 tdm_output_need_validate_handler hndl)
1412 {
1413         OUTPUT_FUNC_ENTRY();
1414
1415         TDM_RETURN_VAL_IF_FAIL(hndl != NULL, TDM_ERROR_INVALID_PARAMETER);
1416
1417         _pthread_mutex_lock(&private_display->lock);
1418
1419         /* there's no reason to allow this */
1420         if (private_output->need_validate.hndl) {
1421
1422                 _pthread_mutex_unlock(&private_display->lock);
1423                 return TDM_ERROR_OPERATION_FAILED;
1424         }
1425
1426         private_output->need_validate.hndl = hndl;
1427
1428         _pthread_mutex_unlock(&private_display->lock);
1429
1430         return ret;
1431 }
1432
1433 EXTERN tdm_error
1434 tdm_output_get_changed_composition_types(tdm_output *output,
1435                                                                                  uint32_t *num_elements,
1436                                                                                  tdm_hwc_window **hwc_window,
1437                                                                                  tdm_hwc_window_composition_t *composition_types)
1438 {
1439         tdm_func_output *func_output = NULL;
1440         tdm_private_hwc_window * private_hwc_window = NULL;
1441         int i = 0;
1442
1443         OUTPUT_FUNC_ENTRY();
1444
1445         TDM_RETURN_VAL_IF_FAIL(num_elements != NULL, TDM_ERROR_INVALID_PARAMETER);
1446
1447         _pthread_mutex_lock(&private_display->lock);
1448
1449         func_output = &private_display->func_output;
1450
1451         if (!func_output->output_get_changed_composition_types) {
1452                 _pthread_mutex_unlock(&private_display->lock);
1453                 TDM_ERR("not implemented!!");
1454                 return TDM_ERROR_NOT_IMPLEMENTED;
1455         }
1456
1457         ret = func_output->output_get_changed_composition_types(private_output->output_backend,
1458                                                          num_elements, hwc_window, composition_types);
1459         TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
1460
1461         if (hwc_window == NULL || composition_types == NULL)
1462                 return TDM_ERROR_NONE;
1463
1464         for (i = 0; i < *num_elements; i++) {
1465
1466                 private_hwc_window = _tdm_output_find_private_hwc_window(private_output, hwc_window[i]);
1467
1468                 if (private_hwc_window == NULL) {
1469                         TDM_ERR("failed! This should never happen!");
1470                         func_output->output_destroy_hwc_window(private_output->output_backend, hwc_window[i]);
1471                         free(hwc_window);
1472                         free(composition_types);
1473                         num_elements = 0;
1474                         hwc_window = NULL;
1475                         composition_types = NULL;
1476                         _pthread_mutex_unlock(&private_display->lock);
1477                         return TDM_ERROR_OPERATION_FAILED;
1478                 }
1479
1480                 hwc_window[i] = (tdm_hwc_window*)private_hwc_window;
1481         }
1482
1483         _pthread_mutex_unlock(&private_display->lock);
1484
1485         return ret;
1486 }
1487
1488 tdm_error
1489 tdm_output_accept_changes(tdm_output *output)
1490 {
1491         tdm_func_output *func_output = NULL;
1492
1493         OUTPUT_FUNC_ENTRY();
1494
1495         _pthread_mutex_lock(&private_display->lock);
1496
1497         func_output = &private_display->func_output;
1498
1499         if (!func_output->output_validate) {
1500                 _pthread_mutex_unlock(&private_display->lock);
1501                 TDM_ERR("not implemented!!");
1502                 return TDM_ERROR_NOT_IMPLEMENTED;
1503         }
1504
1505         ret = func_output->output_accept_changes(private_output->output_backend);
1506
1507         _pthread_mutex_unlock(&private_display->lock);
1508
1509         return ret;
1510 }
1511
1512 tbm_surface_queue_h
1513 tdm_output_get_target_surface_queue(tdm_output *output, tdm_error *error)
1514 {
1515         tdm_func_output *func_output = NULL;
1516         tbm_surface_queue_h queue = NULL;
1517
1518         OUTPUT_FUNC_ENTRY_ERROR();
1519
1520         _pthread_mutex_lock(&private_display->lock);
1521
1522         func_output = &private_display->func_output;
1523
1524         if (!func_output->output_get_target_surface_queue) {
1525                 _pthread_mutex_unlock(&private_display->lock);
1526                 TDM_ERR("not implemented!!");
1527                 return NULL;
1528         }
1529
1530         queue = func_output->output_get_target_surface_queue(private_output->output_backend, error);
1531
1532         _pthread_mutex_unlock(&private_display->lock);
1533
1534         return queue;
1535 }
1536
1537 static void
1538 _tdm_target_window_dump_buffer(tdm_private_output *private_output, tbm_surface_h buffer)
1539 {
1540         unsigned int pipe;
1541         char fname[PATH_MAX];
1542
1543         pipe = private_output->pipe;
1544
1545         snprintf(fname, sizeof(fname), "tdm_%d_target_win", pipe);
1546
1547         tbm_surface_internal_dump_buffer(buffer, fname);
1548         TDM_DBG("%s dump excute", fname);
1549
1550         return;
1551 }
1552
1553 EXTERN tdm_error
1554 tdm_output_set_client_target_buffer(tdm_output *output, tbm_surface_h buffer,
1555                                                                         tdm_hwc_region damage)
1556 {
1557         tdm_func_output *func_output = NULL;
1558
1559         OUTPUT_FUNC_ENTRY();
1560
1561         _pthread_mutex_lock(&private_display->lock);
1562
1563         if (tdm_debug_dump & TDM_DUMP_FLAG_WINDOW) {
1564                 char str[TDM_PATH_LEN];
1565                 static int i;
1566                 snprintf(str, TDM_PATH_LEN, "target_window_%d_%03d",
1567                                  private_output->index, i++);
1568                 tdm_helper_dump_buffer_str(buffer, tdm_debug_dump_dir, str);
1569         }
1570
1571         func_output = &private_display->func_output;
1572
1573         if (!func_output->output_set_client_target_buffer) {
1574                 _pthread_mutex_unlock(&private_display->lock);
1575                 TDM_ERR("not implemented!!");
1576                 return TDM_ERROR_NOT_IMPLEMENTED;
1577         }
1578
1579         /* dump buffer */
1580         if (tdm_dump_enable)
1581                 _tdm_target_window_dump_buffer((tdm_private_output *)output, buffer);
1582
1583         ret = func_output->output_set_client_target_buffer(private_output->output_backend, buffer, damage);
1584
1585         _pthread_mutex_unlock(&private_display->lock);
1586
1587         return ret;
1588 }
1589
1590 INTERN void
1591 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
1592                                                                                 struct list_head *change_handler_list,
1593                                                                                 tdm_output_change_type type,
1594                                                                                 tdm_value value,
1595                                                                                 int no_check_thread_id)
1596 {
1597         tdm_private_display *private_display;
1598         tdm_private_change_handler *change_handler = NULL;
1599
1600         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1601         TDM_RETURN_IF_FAIL(private_output);
1602
1603         private_display = private_output->private_display;
1604         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
1605                 if (type & TDM_OUTPUT_CHANGE_CONNECTION)
1606                         TDM_INFO("output(%d) changed: %s (%d)",
1607                                          private_output->pipe, tdm_status_str(value.u32), value.u32);
1608                 if (type & TDM_OUTPUT_CHANGE_DPMS)
1609                         TDM_INFO("output(%d) changed: dpms %s (%d)",
1610                                          private_output->pipe, tdm_dpms_str(value.u32), value.u32);
1611         }
1612
1613         if (LIST_IS_EMPTY(change_handler_list))
1614                 return;
1615
1616         LIST_FOR_EACH_ENTRY(change_handler, change_handler_list, link) {
1617                 if (!no_check_thread_id && change_handler->owner_tid != syscall(SYS_gettid))
1618                         TDM_NEVER_GET_HERE();
1619
1620                 _pthread_mutex_unlock(&private_display->lock);
1621                 change_handler->func(private_output, type,
1622                                                          value, change_handler->user_data);
1623                 _pthread_mutex_lock(&private_display->lock);
1624         }
1625 }