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