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 <boram1288.park@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include "tdm_private.h"
  41
  42 #define COUNT_MAX   10
  43
  44 #define OUTPUT_FUNC_ENTRY() \
  45         tdm_private_display *private_display; \
  46         tdm_private_output *private_output; \
  47         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  48         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER); \
  49         private_output = (tdm_private_output*)output; \
  50         private_display = private_output->private_display
  51
  52 #define OUTPUT_FUNC_ENTRY_ERROR() \
  53         tdm_private_display *private_display; \
  54         tdm_private_output *private_output; \
  55         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  56         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(output != NULL, TDM_ERROR_INVALID_PARAMETER, NULL); \
  57         private_output = (tdm_private_output*)output; \
  58         private_display = private_output->private_display
  59
  60 static void
  61 _tdm_output_vblank_timeout_update(tdm_private_output *private_output, int ms_delay);
  62
  63 static tdm_error
  64 _tdm_output_vblank_timeout_cb(void *user_data)
  65 {
  66         tdm_private_output *private_output = user_data;
  67         tdm_private_output_vblank_handler *v = NULL;
  68
  69         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OPERATION_FAILED);
  70
  71         private_output->vblank_timeout_timer_expired++;
  72
  73         TDM_ERR("TDM output(%d) vblank TIMEOUT!! (%d time%s)",
  74                         private_output->pipe,
  75                         private_output->vblank_timeout_timer_expired,
  76                         (private_output->vblank_timeout_timer_expired > 1) ? "s" : "");
  77
  78         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
  79                 TDM_ERR("vblank_handler(%p) interval(%d) sync(%d) sent_to_frontend(%u) owner_tid(%d)",
  80                                 v, v->interval, v->sync, v->sent_to_frontend, v->owner_tid);
  81         }
  82
  83         return TDM_ERROR_NONE;
  84 }
  85
  86 INTERN void
  87 tdm_output_vblank_print_wait_information(tdm_private_output *private_output, void *user_data)
  88 {
  89         tdm_private_output_vblank_handler *v = NULL;
  90
  91         TDM_RETURN_IF_FAIL(private_output != NULL);
  92         TDM_RETURN_IF_FAIL(user_data != NULL);
  93
  94         TDM_ERR("TDM output(%d) vblank user_data(%p) info!!", private_output->pipe, user_data);
  95
  96         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
  97                 if (v->user_data != user_data)
  98                         continue;
  99                 TDM_ERR("vblank_handler(%p) interval(%d) sync(%d) sent_to_frontend(%u) owner_tid(%d)",
 100                                 v, v->interval, v->sync, v->sent_to_frontend, v->owner_tid);
 101         }
 102 }
 103
 104 static void
 105 _tdm_output_vblank_timeout_update(tdm_private_output *private_output, int ms_delay)
 106 {
 107         tdm_error ret;
 108
 109         if (!private_output->vblank_timeout_timer) {
 110                 private_output->vblank_timeout_timer =
 111                         tdm_event_loop_add_timer_handler(private_output->private_display,
 112                                                                                          _tdm_output_vblank_timeout_cb,
 113                                                                                          private_output,
 114                                                                                          &ret);
 115                 if (!private_output->vblank_timeout_timer) {
 116                         TDM_ERR("output(%d) couldn't add timer", private_output->pipe);
 117                         return;
 118                 }
 119                 TDM_INFO("output(%d) create vblank timeout timer", private_output->pipe);
 120                 private_output->vblank_timeout_timer_expired = 0;
 121         }
 122
 123         ret = tdm_event_loop_source_timer_update(private_output->vblank_timeout_timer, ms_delay);
 124         if (ret != TDM_ERROR_NONE) {
 125                 TDM_ERR("output(%d) couldn't update timer", private_output->pipe);
 126                 return;
 127         }
 128 }
 129
 130 INTERN tdm_error
 131 tdm_output_init(tdm_private_display *private_display)
 132 {
 133         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_DESTROY, tdm_display_find_output_stamp);
 134         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_COMMIT, tdm_display_find_output_stamp);
 135         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_VBLANK, tdm_display_find_output_stamp);
 136         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_STATUS, tdm_display_find_output_stamp);
 137         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_DPMS, tdm_display_find_output_stamp);
 138
 139         return TDM_ERROR_NONE;
 140 }
 141
 142 INTERN tdm_error
 143 tdm_output_call_thread_cb_destroy(tdm_private_output *private_output)
 144 {
 145         tdm_thread_cb_output_destroy output_destroy;
 146         tdm_error ret;
 147
 148         memset(&output_destroy, 0, sizeof output_destroy);
 149         output_destroy.base.type = TDM_THREAD_CB_OUTPUT_DESTROY;
 150         output_destroy.base.length = sizeof output_destroy;
 151         output_destroy.base.object_stamp = private_output->stamp;
 152         output_destroy.base.data = NULL;
 153         output_destroy.base.sync = 1;
 154
 155         ret = tdm_thread_cb_call(private_output, &output_destroy.base, 1);
 156         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 157
 158         return TDM_ERROR_NONE;
 159 }
 160
 161 INTERN void
 162 tdm_output_thread_cb_destroy(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 163 {
 164         tdm_private_output *private_output = object;
 165         tdm_private_output_destroy_handler *destroy_handler = user_data;
 166
 167         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 168
 169         assert(destroy_handler->owner_tid == syscall(SYS_gettid));
 170
 171         _pthread_mutex_unlock(&private_display->lock);
 172         destroy_handler->func(private_output, destroy_handler->user_data);
 173         _pthread_mutex_lock(&private_display->lock);
 174 }
 175
 176 EXTERN tdm_error
 177 tdm_output_add_destroy_handler(tdm_output *output,
 178                                                            tdm_output_destroy_handler func,
 179                                                            void *user_data)
 180 {
 181         tdm_private_output_destroy_handler *destroy_handler = NULL;
 182         OUTPUT_FUNC_ENTRY();
 183
 184         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 185
 186         _pthread_mutex_lock(&private_display->lock);
 187
 188         LIST_FOR_EACH_ENTRY(destroy_handler, &private_output->destroy_handler_list, link) {
 189                 if (destroy_handler->func == func && destroy_handler->user_data == user_data) {
 190                         TDM_ERR("can't add twice");
 191                         _pthread_mutex_unlock(&private_display->lock);
 192                         return TDM_ERROR_BAD_REQUEST;
 193                 }
 194         }
 195
 196         destroy_handler = calloc(1, sizeof(tdm_private_output_destroy_handler));
 197         if (!destroy_handler) {
 198                 TDM_ERR("failed: alloc memory");
 199                 _pthread_mutex_unlock(&private_display->lock);
 200                 return TDM_ERROR_OUT_OF_MEMORY;
 201         }
 202
 203         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_DESTROY, NULL, tdm_output_thread_cb_destroy, destroy_handler);
 204         if (ret != TDM_ERROR_NONE) {
 205                 TDM_ERR("tdm_thread_cb_add failed");
 206                 free(destroy_handler);
 207                 _pthread_mutex_unlock(&private_display->lock);
 208                 return TDM_ERROR_OPERATION_FAILED;
 209         }
 210
 211         destroy_handler->private_output = private_output;
 212         destroy_handler->func = func;
 213         destroy_handler->user_data = user_data;
 214         destroy_handler->owner_tid = syscall(SYS_gettid);
 215
 216         LIST_ADDTAIL(&destroy_handler->link, &private_output->destroy_handler_list);
 217
 218         _pthread_mutex_unlock(&private_display->lock);
 219
 220         return ret;
 221 }
 222
 223 EXTERN void
 224 tdm_output_remove_destroy_handler(tdm_output *output,
 225                                                                   tdm_output_destroy_handler func,
 226                                                                   void *user_data)
 227 {
 228         tdm_private_display *private_display;
 229         tdm_private_output *private_output;
 230         tdm_private_output_destroy_handler *destroy_handler = NULL, *hh = NULL;
 231
 232         TDM_RETURN_IF_FAIL(output != NULL);
 233         TDM_RETURN_IF_FAIL(func != NULL);
 234
 235         private_output = (tdm_private_output*)output;
 236         private_display = private_output->private_display;
 237
 238         _pthread_mutex_lock(&private_display->lock);
 239
 240         LIST_FOR_EACH_ENTRY_SAFE(destroy_handler, hh, &private_output->destroy_handler_list, link) {
 241                 if (destroy_handler->func != func || destroy_handler->user_data != user_data)
 242                         continue;
 243
 244                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_DESTROY, NULL, tdm_output_thread_cb_destroy, destroy_handler);
 245
 246                 LIST_DEL(&destroy_handler->link);
 247                 free(destroy_handler);
 248
 249                 _pthread_mutex_unlock(&private_display->lock);
 250
 251                 return;
 252         }
 253
 254         _pthread_mutex_unlock(&private_display->lock);
 255 }
 256
 257 EXTERN tdm_module *
 258 tdm_output_get_backend_module(tdm_output *output, tdm_error *error)
 259 {
 260         tdm_private_module *private_module;
 261
 262         OUTPUT_FUNC_ENTRY_ERROR();
 263
 264         _pthread_mutex_lock(&private_display->lock);
 265
 266         private_module = private_output->private_module;
 267
 268         if (error)
 269                 *error = TDM_ERROR_NONE;
 270
 271         _pthread_mutex_unlock(&private_display->lock);
 272
 273         return private_module;
 274 }
 275
 276 EXTERN tdm_error
 277 tdm_output_get_model_info(tdm_output *output, const char **maker,
 278                                                   const char **model, const char **name)
 279 {
 280         OUTPUT_FUNC_ENTRY();
 281
 282         _pthread_mutex_lock(&private_display->lock);
 283
 284         if (maker)
 285                 *maker = private_output->caps.maker;
 286         if (model)
 287                 *model = private_output->caps.model;
 288         if (name)
 289                 *name = private_output->caps.name;
 290
 291         _pthread_mutex_unlock(&private_display->lock);
 292
 293         return ret;
 294 }
 295
 296 EXTERN tdm_error
 297 tdm_output_get_capabilities(tdm_output *output, tdm_output_capability *capabilities)
 298 {
 299         OUTPUT_FUNC_ENTRY();
 300
 301         TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 302
 303         _pthread_mutex_lock(&private_display->lock);
 304
 305         *capabilities = private_output->caps.capabilities;
 306
 307         _pthread_mutex_unlock(&private_display->lock);
 308
 309         return ret;
 310 }
 311
 312 EXTERN tdm_error
 313 tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status)
 314 {
 315         OUTPUT_FUNC_ENTRY();
 316
 317         TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 318
 319         _pthread_mutex_lock(&private_display->lock);
 320
 321         *status = private_output->caps.status;
 322
 323         _pthread_mutex_unlock(&private_display->lock);
 324
 325         return ret;
 326 }
 327
 328 INTERN void
 329 tdm_output_thread_cb_change(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 330 {
 331         tdm_private_output *private_output = object;
 332         tdm_private_output_change_handler *change_handler = user_data;
 333         tdm_output_change_type type = TDM_OUTPUT_CHANGE_CONNECTION;
 334         tdm_value value = {.u32 = 0 };
 335
 336         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 337
 338         assert(change_handler->owner_tid == syscall(SYS_gettid));
 339
 340         if (cb_base->type == TDM_THREAD_CB_OUTPUT_STATUS) {
 341                 tdm_thread_cb_output_status *output_status = (tdm_thread_cb_output_status *)cb_base;
 342                 type = TDM_OUTPUT_CHANGE_CONNECTION;
 343                 value.u32 = output_status->status;
 344         } else if (cb_base->type == TDM_THREAD_CB_OUTPUT_DPMS) {
 345                 tdm_thread_cb_output_dpms *output_dpms = (tdm_thread_cb_output_dpms *)cb_base;
 346                 type = TDM_OUTPUT_CHANGE_DPMS;
 347                 value.u32 = output_dpms->dpms;
 348         } else {
 349                 TDM_NEVER_GET_HERE();
 350                 return;
 351         }
 352
 353         _pthread_mutex_unlock(&private_display->lock);
 354         change_handler->func(private_output, type, value, change_handler->user_data);
 355         _pthread_mutex_lock(&private_display->lock);
 356
 357 }
 358
 359 static tdm_error
 360 _tdm_output_call_thread_cb_status(tdm_private_output *private_output, tdm_output_conn_status status)
 361 {
 362         tdm_thread_cb_output_status output_status;
 363         pid_t caller_tid = syscall(SYS_gettid);
 364         tdm_error ret;
 365
 366         memset(&output_status, 0, sizeof output_status);
 367         output_status.base.type = TDM_THREAD_CB_OUTPUT_STATUS;
 368         output_status.base.length = sizeof output_status;
 369         output_status.base.object_stamp = private_output->stamp;
 370         output_status.base.data = NULL;
 371         if (tdm_thread_in_display_thread(caller_tid))
 372                 output_status.base.sync = 0;
 373         else
 374                 output_status.base.sync = 1;
 375         output_status.status = status;
 376
 377         ret = tdm_thread_cb_call(private_output, &output_status.base, 1);
 378         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 379
 380         return TDM_ERROR_NONE;
 381 }
 382
 383 static tdm_error
 384 _tdm_output_call_thread_cb_dpms(tdm_private_output *private_output, tdm_output_dpms dpms)
 385 {
 386         tdm_thread_cb_output_dpms output_dpms;
 387         tdm_error ret;
 388
 389         memset(&output_dpms, 0, sizeof output_dpms);
 390         output_dpms.base.type = TDM_THREAD_CB_OUTPUT_DPMS;
 391         output_dpms.base.length = sizeof output_dpms;
 392         output_dpms.base.object_stamp = private_output->stamp;
 393         output_dpms.base.data = NULL;
 394         output_dpms.base.sync = 0;
 395         output_dpms.dpms = dpms;
 396
 397         ret = tdm_thread_cb_call(private_output, &output_dpms.base, 1);
 398         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 399
 400         return TDM_ERROR_NONE;
 401 }
 402
 403 INTERN void
 404 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status, void *user_data)
 405 {
 406         tdm_private_output *private_output = user_data;
 407         tdm_error ret;
 408
 409         TDM_RETURN_IF_FAIL(private_output);
 410
 411         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(status));
 412
 413         if ((private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED && status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) ||
 414                 (private_output->caps.status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED && status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)) {
 415                 ret = tdm_display_update_output(private_output->private_module, output_backend);
 416                 TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 417         } else {
 418                 private_output->caps.status = status;
 419         }
 420
 421         ret = _tdm_output_call_thread_cb_status(private_output, status);
 422         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 423 }
 424
 425 INTERN void
 426 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms, void *user_data)
 427 {
 428         tdm_private_output *private_output = user_data;
 429         tdm_error ret;
 430
 431         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(dpms));
 432
 433         private_output->current_dpms_value = dpms;
 434         private_output->waiting_dpms_change = 0;
 435         TDM_INFO("output(%d) dpms async '%s' done", private_output->pipe, tdm_dpms_str(dpms));
 436
 437         ret = _tdm_output_call_thread_cb_dpms(private_output, dpms);
 438         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 439 }
 440
 441 EXTERN tdm_error
 442 tdm_output_add_change_handler(tdm_output *output,
 443                                                           tdm_output_change_handler func,
 444                                                           void *user_data)
 445 {
 446         tdm_private_output_change_handler *change_handler = NULL;
 447         OUTPUT_FUNC_ENTRY();
 448
 449         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 450
 451         _pthread_mutex_lock(&private_display->lock);
 452
 453         LIST_FOR_EACH_ENTRY(change_handler, &private_output->change_handler_list, link) {
 454                 if (change_handler->func == func && change_handler->user_data == user_data) {
 455                         TDM_ERR("can't add twice");
 456                         _pthread_mutex_unlock(&private_display->lock);
 457                         return TDM_ERROR_BAD_REQUEST;
 458                 }
 459         }
 460
 461         change_handler = calloc(1, sizeof(tdm_private_output_change_handler));
 462         if (!change_handler) {
 463                 /* LCOV_EXCL_START */
 464                 TDM_ERR("failed: alloc memory");
 465                 _pthread_mutex_unlock(&private_display->lock);
 466                 return TDM_ERROR_OUT_OF_MEMORY;
 467                 /* LCOV_EXCL_STOP */
 468         }
 469
 470         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 471         if (ret != TDM_ERROR_NONE) {
 472                 /* LCOV_EXCL_START */
 473                 TDM_ERR("tdm_thread_cb_add failed");
 474                 free(change_handler);
 475                 _pthread_mutex_unlock(&private_display->lock);
 476                 return TDM_ERROR_OPERATION_FAILED;
 477                 /* LCOV_EXCL_STOP */
 478         }
 479
 480         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, change_handler);
 481         if (ret != TDM_ERROR_NONE) {
 482                 /* LCOV_EXCL_START */
 483                 TDM_ERR("tdm_thread_cb_add failed");
 484                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 485                 free(change_handler);
 486                 _pthread_mutex_unlock(&private_display->lock);
 487                 return TDM_ERROR_OPERATION_FAILED;
 488                 /* LCOV_EXCL_STOP */
 489         }
 490
 491         change_handler->private_output = private_output;
 492         change_handler->func = func;
 493         change_handler->user_data = user_data;
 494         change_handler->owner_tid = syscall(SYS_gettid);
 495
 496         LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list);
 497
 498         _pthread_mutex_unlock(&private_display->lock);
 499
 500         return ret;
 501 }
 502
 503 EXTERN void
 504 tdm_output_remove_change_handler(tdm_output *output,
 505                                                                  tdm_output_change_handler func,
 506                                                                  void *user_data)
 507 {
 508         tdm_private_display *private_display;
 509         tdm_private_output *private_output;
 510         tdm_private_output_change_handler *change_handler = NULL, *hh = NULL;
 511
 512         TDM_RETURN_IF_FAIL(output != NULL);
 513         TDM_RETURN_IF_FAIL(func != NULL);
 514
 515         private_output = (tdm_private_output*)output;
 516         private_display = private_output->private_display;
 517
 518         _pthread_mutex_lock(&private_display->lock);
 519
 520         LIST_FOR_EACH_ENTRY_SAFE(change_handler, hh, &private_output->change_handler_list, link) {
 521                 if (change_handler->func != func || change_handler->user_data != user_data)
 522                         continue;
 523
 524                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 525                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, change_handler);
 526
 527                 LIST_DEL(&change_handler->link);
 528                 free(change_handler);
 529
 530                 _pthread_mutex_unlock(&private_display->lock);
 531
 532                 return;
 533         }
 534
 535         _pthread_mutex_unlock(&private_display->lock);
 536 }
 537
 538 EXTERN tdm_error
 539 tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
 540 {
 541         OUTPUT_FUNC_ENTRY();
 542
 543         TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
 544
 545         _pthread_mutex_lock(&private_display->lock);
 546
 547         *type = private_output->caps.type;
 548
 549         _pthread_mutex_unlock(&private_display->lock);
 550
 551         return ret;
 552 }
 553
 554 EXTERN tdm_error
 555 tdm_output_get_layer_count(tdm_output *output, int *count)
 556 {
 557         tdm_private_layer *private_layer = NULL;
 558
 559         OUTPUT_FUNC_ENTRY();
 560
 561         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 562
 563         _pthread_mutex_lock(&private_display->lock);
 564
 565         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 566                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 567                 *count = 0;
 568                 _pthread_mutex_unlock(&private_display->lock);
 569                 return TDM_ERROR_BAD_REQUEST;
 570         }
 571
 572         *count = 0;
 573         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
 574                 (*count)++;
 575         if (*count == 0) {
 576                 _pthread_mutex_unlock(&private_display->lock);
 577                 return TDM_ERROR_NONE;
 578         }
 579
 580         _pthread_mutex_unlock(&private_display->lock);
 581
 582         return ret;
 583 }
 584
 585
 586 EXTERN tdm_layer *
 587 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 588 {
 589         tdm_private_layer *private_layer = NULL;
 590
 591         OUTPUT_FUNC_ENTRY_ERROR();
 592
 593         _pthread_mutex_lock(&private_display->lock);
 594
 595         if (error)
 596                 *error = TDM_ERROR_NONE;
 597
 598         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 599                 _pthread_mutex_unlock(&private_display->lock);
 600                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 601                 if (error)
 602                         *error = TDM_ERROR_BAD_REQUEST;
 603                 return NULL;
 604         }
 605
 606         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 607                 if (private_layer->index == index) {
 608                         _pthread_mutex_unlock(&private_display->lock);
 609                         return private_layer;
 610                 }
 611         }
 612
 613         _pthread_mutex_unlock(&private_display->lock);
 614
 615         return NULL;
 616 }
 617
 618 EXTERN tdm_error
 619 tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
 620                                                                         int *count)
 621 {
 622         OUTPUT_FUNC_ENTRY();
 623
 624         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 625         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 626
 627         _pthread_mutex_lock(&private_display->lock);
 628
 629         *props = (const tdm_prop *)private_output->caps.props;
 630         *count = private_output->caps.prop_count;
 631
 632         _pthread_mutex_unlock(&private_display->lock);
 633
 634         return ret;
 635 }
 636
 637 EXTERN tdm_error
 638 tdm_output_get_available_modes(tdm_output *output,
 639                                                            const tdm_output_mode **modes, int *count)
 640 {
 641         OUTPUT_FUNC_ENTRY();
 642
 643         TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
 644         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 645
 646         _pthread_mutex_lock(&private_display->lock);
 647
 648         *modes = (const tdm_output_mode *)private_output->caps.modes;
 649         *count = private_output->caps.mode_count;
 650
 651         _pthread_mutex_unlock(&private_display->lock);
 652
 653         return ret;
 654 }
 655
 656 EXTERN tdm_error
 657 tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
 658                                                           int *max_w, int *max_h, int *preferred_align)
 659 {
 660         OUTPUT_FUNC_ENTRY();
 661
 662         _pthread_mutex_lock(&private_display->lock);
 663
 664         if (min_w)
 665                 *min_w = TDM_FRONT_VALUE(private_output->caps.min_w);
 666         if (min_h)
 667                 *min_h = TDM_FRONT_VALUE(private_output->caps.min_h);
 668         if (max_w)
 669                 *max_w = TDM_FRONT_VALUE(private_output->caps.max_w);
 670         if (max_h)
 671                 *max_h = TDM_FRONT_VALUE(private_output->caps.max_h);
 672         if (preferred_align)
 673                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.preferred_align);
 674
 675         _pthread_mutex_unlock(&private_display->lock);
 676
 677         return ret;
 678 }
 679
 680 EXTERN tdm_error
 681 tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
 682                                                                          int *max_w, int *max_h, int *preferred_align)
 683 {
 684         OUTPUT_FUNC_ENTRY();
 685
 686         _pthread_mutex_lock(&private_display->lock);
 687
 688         if (!tdm_module_check_abi(private_output->private_module, 1, 5)) {
 689                 _pthread_mutex_unlock(&private_display->lock);
 690                 return TDM_ERROR_BAD_REQUEST;
 691         }
 692
 693         if (min_w)
 694                 *min_w = TDM_FRONT_VALUE(private_output->caps.cursor_min_w);
 695         if (min_h)
 696                 *min_h = TDM_FRONT_VALUE(private_output->caps.cursor_min_h);
 697         if (max_w)
 698                 *max_w = TDM_FRONT_VALUE(private_output->caps.cursor_max_w);
 699         if (max_h)
 700                 *max_h = TDM_FRONT_VALUE(private_output->caps.cursor_max_h);
 701         if (preferred_align)
 702                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.cursor_preferred_align);
 703
 704         _pthread_mutex_unlock(&private_display->lock);
 705
 706         return ret;
 707 }
 708
 709 EXTERN tdm_error
 710 tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
 711                                                          unsigned int *mmHeight)
 712 {
 713         OUTPUT_FUNC_ENTRY();
 714
 715         _pthread_mutex_lock(&private_display->lock);
 716
 717         if (mmWidth)
 718                 *mmWidth = private_output->caps.mmWidth;
 719         if (mmHeight)
 720                 *mmHeight = private_output->caps.mmHeight;
 721
 722         _pthread_mutex_unlock(&private_display->lock);
 723
 724         return ret;
 725 }
 726
 727 EXTERN tdm_error
 728 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
 729 {
 730         OUTPUT_FUNC_ENTRY();
 731         TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
 732
 733         _pthread_mutex_lock(&private_display->lock);
 734
 735         *subpixel = private_output->caps.subpixel;
 736
 737         _pthread_mutex_unlock(&private_display->lock);
 738
 739         return ret;
 740 }
 741
 742 EXTERN tdm_error
 743 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
 744 {
 745         OUTPUT_FUNC_ENTRY();
 746         TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
 747
 748         _pthread_mutex_lock(&private_display->lock);
 749
 750         *pipe = private_output->pipe;
 751
 752         _pthread_mutex_unlock(&private_display->lock);
 753
 754         return ret;
 755 }
 756
 757 EXTERN tdm_error
 758 tdm_output_get_primary_index(tdm_output *output, int *index)
 759 {
 760         tdm_private_layer *private_layer = NULL;
 761
 762         OUTPUT_FUNC_ENTRY();
 763         TDM_RETURN_VAL_IF_FAIL(index != NULL, TDM_ERROR_INVALID_PARAMETER);
 764
 765         _pthread_mutex_lock(&private_display->lock);
 766
 767         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 768                 if (private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_PRIMARY) {
 769                         *index = private_layer->index;
 770                         break;
 771                 }
 772         }
 773
 774         _pthread_mutex_unlock(&private_display->lock);
 775
 776         return ret;
 777 }
 778
 779 EXTERN tdm_error
 780 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
 781 {
 782         tdm_private_module *private_module;
 783         tdm_func_output *func_output;
 784         OUTPUT_FUNC_ENTRY();
 785
 786         _pthread_mutex_lock(&private_display->lock);
 787
 788         private_module = private_output->private_module;
 789         func_output = &private_module->func_output;
 790
 791         if (!func_output->output_set_property) {
 792                 /* LCOV_EXCL_START */
 793                 _pthread_mutex_unlock(&private_display->lock);
 794                 TDM_WRN("not implemented!!");
 795                 return TDM_ERROR_NOT_IMPLEMENTED;
 796                 /* LCOV_EXCL_STOP */
 797         }
 798
 799         ret = func_output->output_set_property(private_output->output_backend, id,
 800                                                                                    value);
 801
 802         _pthread_mutex_unlock(&private_display->lock);
 803
 804         return ret;
 805 }
 806
 807 EXTERN tdm_error
 808 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 809 {
 810         tdm_private_module *private_module;
 811         tdm_func_output *func_output;
 812         OUTPUT_FUNC_ENTRY();
 813
 814         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 815
 816         _pthread_mutex_lock(&private_display->lock);
 817
 818         private_module = private_output->private_module;
 819         func_output = &private_module->func_output;
 820
 821         if (!func_output->output_get_property) {
 822                 /* LCOV_EXCL_START */
 823                 _pthread_mutex_unlock(&private_display->lock);
 824                 TDM_WRN("not implemented!!");
 825                 return TDM_ERROR_NOT_IMPLEMENTED;
 826                 /* LCOV_EXCL_STOP */
 827         }
 828
 829         ret = func_output->output_get_property(private_output->output_backend, id,
 830                                                                                    value);
 831
 832         _pthread_mutex_unlock(&private_display->lock);
 833
 834         return ret;
 835 }
 836
 837 static void
 838 _tdm_output_thread_cb_vblank(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 839 {
 840         tdm_thread_cb_output_vblank *output_vblank = (tdm_thread_cb_output_vblank *)cb_base;
 841         tdm_private_output_vblank_handler *vblank_handler = output_vblank->base.data;
 842         tdm_private_output_vblank_handler *v = NULL, *vv = NULL;
 843         tdm_private_output *private_output = object;
 844         struct list_head clone_list;
 845         int interval, sync;
 846         pid_t tid = syscall(SYS_gettid);
 847
 848         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 849
 850         assert(vblank_handler->owner_tid == tid);
 851
 852         vblank_handler->sent_to_frontend = 0;
 853
 854         _tdm_output_vblank_timeout_update(private_output, 0);
 855
 856         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 857
 858         interval = vblank_handler->interval;
 859         sync = vblank_handler->sync;
 860
 861         LIST_INITHEAD(&clone_list);
 862
 863         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 864                 if (v->interval != interval || v->sync != sync || v->owner_tid != tid)
 865                         continue;
 866
 867                 LIST_DEL(&v->link);
 868                 LIST_ADDTAIL(&v->link, &clone_list);
 869         }
 870
 871         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 872                 TDM_INFO("----------------------------------------- output(%d) got vblank", private_output->pipe);
 873
 874         _pthread_mutex_unlock(&private_display->lock);
 875         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &clone_list, link) {
 876                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 877                         TDM_INFO("handler(%p)", v);
 878
 879                 LIST_DEL(&v->link);
 880
 881                 if (v->func)
 882                         v->func(v->private_output,
 883                                         output_vblank->sequence,
 884                                         output_vblank->tv_sec,
 885                                         output_vblank->tv_usec,
 886                                         v->user_data);
 887
 888                 free(v);
 889         }
 890         _pthread_mutex_lock(&private_display->lock);
 891
 892         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 893                 TDM_INFO("-----------------------------------------...");
 894 }
 895
 896 static void
 897 _tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 898                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 899 {
 900         tdm_private_output_vblank_handler *vblank_handler = user_data;
 901         tdm_thread_cb_output_vblank output_vblank;
 902         tdm_error ret;
 903
 904         memset(&output_vblank, 0, sizeof output_vblank);
 905         output_vblank.base.type = TDM_THREAD_CB_OUTPUT_VBLANK;
 906         output_vblank.base.length = sizeof output_vblank;
 907         output_vblank.base.object_stamp = vblank_handler->private_output->stamp;
 908         output_vblank.base.data = vblank_handler;
 909         output_vblank.base.sync = 0;
 910         output_vblank.sequence = sequence;
 911         output_vblank.tv_sec = tv_sec;
 912         output_vblank.tv_usec = tv_usec;
 913
 914         vblank_handler->sent_to_frontend = 1;
 915
 916         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 917                 TDM_INFO("output(%d) wait_vblank: handler(%p)", vblank_handler->private_output->pipe, vblank_handler);
 918
 919         ret = tdm_thread_cb_call(vblank_handler->private_output, &output_vblank.base, 1);
 920         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 921 }
 922
 923 static void
 924 _tdm_output_thread_cb_commit(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 925 {
 926         tdm_thread_cb_output_commit *output_commit = (tdm_thread_cb_output_commit *)cb_base;
 927         tdm_private_output_commit_handler *output_commit_handler = output_commit->base.data;
 928         tdm_private_output *private_output = object;
 929         tdm_private_layer *private_layer = NULL;
 930
 931         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 932
 933         if (!output_commit_handler)
 934                 return;
 935
 936         assert(output_commit_handler->owner_tid == syscall(SYS_gettid));
 937
 938         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
 939
 940         LIST_DEL(&output_commit_handler->link);
 941
 942         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
 943                 TDM_INFO("----------------------------------------- output(%d) committed", private_output->pipe);
 944                 TDM_INFO("handler(%p)", output_commit_handler);
 945         }
 946
 947         if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
 948                 /* In case of layer commit, the below will be handled in the layer commit callback */
 949                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 950                         if (private_layer->committed_buffer)
 951                                 tdm_layer_committed(private_layer, &private_layer->committed_buffer);
 952                 }
 953         }
 954
 955         if (output_commit_handler->func) {
 956                 _pthread_mutex_unlock(&private_display->lock);
 957                 output_commit_handler->func(private_output,
 958                                                                         output_commit->sequence,
 959                                                                         output_commit->tv_sec,
 960                                                                         output_commit->tv_usec,
 961                                                                         output_commit_handler->user_data);
 962                 _pthread_mutex_lock(&private_display->lock);
 963         }
 964
 965         free(output_commit_handler);
 966
 967         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 968                 TDM_INFO("-----------------------------------------...");
 969 }
 970
 971 static void
 972 _tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 973                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 974 {
 975         tdm_private_output_commit_handler *output_commit_handler = user_data;
 976         tdm_private_output *private_output;
 977         tdm_thread_cb_output_commit output_commit;
 978         tdm_error ret;
 979
 980         if (output_commit_handler)
 981                 private_output = output_commit_handler->private_output;
 982         else
 983                 private_output = tdm_display_find_private_output(tdm_display_get(), output_backend);
 984
 985         memset(&output_commit, 0, sizeof output_commit);
 986         output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
 987         output_commit.base.length = sizeof output_commit;
 988         output_commit.base.object_stamp = private_output->stamp;
 989         output_commit.base.data = output_commit_handler;
 990         output_commit.base.sync = 0;
 991         output_commit.sequence = sequence;
 992         output_commit.tv_sec = tv_sec;
 993         output_commit.tv_usec = tv_usec;
 994
 995         ret = tdm_thread_cb_call(private_output, &output_commit.base, 1);
 996         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 997 }
 998
 999 /* add_front: To distinguish between the user vblank handlers and the layer
1000  *            commit vblank handlers. The layer commit handlers will be called
1001  *            before calling the user vblank handlers.
1002  */
1003 static tdm_error
1004 _tdm_output_wait_vblank(tdm_private_output *private_output, int interval, int sync,
1005                                                 tdm_output_vblank_handler func, void *user_data,
1006                                                 unsigned int add_front)
1007 {
1008         tdm_private_module *private_module;
1009         tdm_func_output *func_output;
1010         tdm_private_output_vblank_handler *vblank_handler = NULL, *v = NULL;
1011         unsigned int skip_request = 0;
1012         pid_t tid = syscall(SYS_gettid);
1013         tdm_error ret = TDM_ERROR_NONE;
1014
1015         private_module = private_output->private_module;
1016         func_output = &private_module->func_output;
1017
1018         /* interval SHOULD be at least 1 */
1019         if (interval <= 0)
1020                 interval = 1;
1021
1022         if (!func_output->output_wait_vblank) {
1023                 /* LCOV_EXCL_START */
1024                 TDM_WRN("not implemented!!");
1025                 return TDM_ERROR_NOT_IMPLEMENTED;
1026                 /* LCOV_EXCL_STOP */
1027         }
1028
1029         if (!private_output->regist_vblank_cb) {
1030                 private_output->regist_vblank_cb = 1;
1031                 ret = func_output->output_set_vblank_handler(private_output->output_backend,
1032                                 _tdm_output_cb_vblank);
1033         }
1034
1035         vblank_handler = calloc(1, sizeof(tdm_private_output_vblank_handler));
1036         if (!vblank_handler) {
1037                 /* LCOV_EXCL_START */
1038                 TDM_ERR("failed: alloc memory");
1039                 return TDM_ERROR_OUT_OF_MEMORY;
1040                 /* LCOV_EXCL_STOP */
1041         }
1042
1043         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1044                 TDM_INFO("output(%d) wait_vblank: handler(%p)", private_output->pipe, vblank_handler);
1045
1046         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
1047                 if (v->interval == interval && v->sync == sync && v->owner_tid == tid) {
1048                         skip_request = 1;
1049                         break;
1050                 }
1051         }
1052
1053         if (add_front)
1054                 LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
1055         else
1056                 LIST_ADDTAIL(&vblank_handler->link, &private_output->vblank_handler_list);
1057
1058         vblank_handler->private_output = private_output;
1059         vblank_handler->interval = interval;
1060         vblank_handler->sync = sync;
1061         vblank_handler->func = func;
1062         vblank_handler->user_data = user_data;
1063         vblank_handler->owner_tid = tid;
1064
1065         /* If there is the previous request, we can skip to call output_wait_vblank() */
1066         if (!skip_request) {
1067                 ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
1068                 if (ret != TDM_ERROR_NONE) {
1069                         TDM_ERR("tdm_thread_cb_add failed");
1070                         goto wait_failed;
1071                 }
1072
1073                 ret = func_output->output_wait_vblank(private_output->output_backend, interval,
1074                                                                                           sync, vblank_handler);
1075                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
1076
1077                 _tdm_output_vblank_timeout_update(private_output, 1000);
1078
1079                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
1080                         TDM_INFO("output(%d) backend wait_vblank", private_output->pipe);
1081         }
1082
1083         return ret;
1084
1085 wait_failed:
1086         /* LCOV_EXCL_START */
1087         if (vblank_handler) {
1088                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
1089                 LIST_DEL(&vblank_handler->link);
1090                 free(vblank_handler);
1091         }
1092         return ret;
1093         /* LCOV_EXCL_STOP */
1094 }
1095
1096 EXTERN tdm_error
1097 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
1098                                            tdm_output_vblank_handler func, void *user_data)
1099 {
1100         OUTPUT_FUNC_ENTRY();
1101         TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_ERROR_INVALID_PARAMETER);
1102
1103         _pthread_mutex_lock(&private_display->lock);
1104
1105         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1106                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
1107                                 tdm_dpms_str(private_output->current_dpms_value));
1108                 _pthread_mutex_unlock(&private_display->lock);
1109                 return TDM_ERROR_DPMS_OFF;
1110         }
1111
1112         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 0);
1113
1114         _pthread_mutex_unlock(&private_display->lock);
1115
1116         return ret;
1117 }
1118
1119 /* LCOV_EXCL_START */
1120 EXTERN tdm_error
1121 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
1122                                                                  tdm_output_vblank_handler func, void *user_data)
1123 {
1124         OUTPUT_FUNC_ENTRY();
1125
1126         _pthread_mutex_lock(&private_display->lock);
1127
1128         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1129                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
1130                                 tdm_dpms_str(private_output->current_dpms_value));
1131                 _pthread_mutex_unlock(&private_display->lock);
1132                 return TDM_ERROR_DPMS_OFF;
1133         }
1134
1135         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 1);
1136
1137         _pthread_mutex_unlock(&private_display->lock);
1138
1139         return ret;
1140 }
1141 /* LCOV_EXCL_STOP */
1142
1143 INTERN void
1144 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
1145 {
1146         tdm_private_output *private_output = (tdm_private_output*)output;
1147         tdm_private_output_vblank_handler *v = NULL;
1148
1149         TDM_RETURN_IF_FAIL(private_output != NULL);
1150         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1151
1152         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
1153                 if (v->func == func && v->user_data == user_data) {
1154                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1155                         v->func = NULL;
1156                         v->user_data = NULL;
1157                         break;
1158                 }
1159         }
1160 }
1161
1162 INTERN void
1163 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1164 {
1165         tdm_private_output *private_output = (tdm_private_output*)output;
1166         tdm_private_output_commit_handler *c = NULL;
1167
1168         TDM_RETURN_IF_FAIL(private_output != NULL);
1169         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1170
1171         LIST_FOR_EACH_ENTRY(c, &private_output->output_commit_handler_list, link) {
1172                 if (c->func == func && c->user_data == user_data) {
1173                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1174                         c->func = NULL;
1175                         c->user_data = NULL;
1176                         break;
1177                 }
1178         }
1179 }
1180
1181 EXTERN tdm_error
1182 tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
1183 {
1184         OUTPUT_FUNC_ENTRY();
1185
1186         _pthread_mutex_lock(&private_display->lock);
1187
1188         tdm_output_remove_vblank_handler_internal(output, func, user_data);
1189
1190         _pthread_mutex_unlock(&private_display->lock);
1191
1192         return ret;
1193 }
1194
1195 EXTERN tdm_error
1196 tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1197 {
1198         OUTPUT_FUNC_ENTRY();
1199
1200         _pthread_mutex_lock(&private_display->lock);
1201
1202         tdm_output_remove_commit_handler_internal(output, func, user_data);
1203
1204         _pthread_mutex_unlock(&private_display->lock);
1205
1206         return ret;
1207 }
1208
1209 INTERN tdm_error
1210 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
1211 {
1212         tdm_private_output *private_output;
1213         tdm_private_module *private_module;
1214         tdm_func_output *func_output;
1215         tdm_private_output_commit_handler *output_commit_handler = NULL;
1216         tdm_private_layer *private_layer = NULL;
1217         tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
1218         tdm_error ret = TDM_ERROR_NONE;
1219
1220         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
1221
1222         private_output = (tdm_private_output*)output;
1223         private_module = private_output->private_module;
1224         func_output = &private_module->func_output;
1225
1226         if (!func_output->output_commit) {
1227                 /* LCOV_EXCL_START */
1228                 TDM_WRN("not implemented!!");
1229                 return TDM_ERROR_NOT_IMPLEMENTED;
1230                 /* LCOV_EXCL_STOP */
1231         }
1232
1233         ret = tdm_output_get_dpms_internal(output, &dpms_value);
1234         TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
1235
1236         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1237                 if (!private_output->regist_commit_cb) {
1238                         private_output->regist_commit_cb = 1;
1239                         ret = func_output->output_set_commit_handler(private_output->output_backend, _tdm_output_cb_commit);
1240                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1241                 }
1242
1243                 output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
1244                 if (!output_commit_handler) {
1245                         /* LCOV_EXCL_START */
1246                         TDM_ERR("failed: alloc memory");
1247                         return TDM_ERROR_OUT_OF_MEMORY;
1248                         /* LCOV_EXCL_STOP */
1249                 }
1250
1251                 ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1252                 if (ret != TDM_ERROR_NONE) {
1253                         TDM_ERR("tdm_thread_cb_add failed");
1254                         free(output_commit_handler);
1255                         return ret;
1256                 }
1257
1258                 LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
1259                 output_commit_handler->private_output = private_output;
1260                 output_commit_handler->func = func;
1261                 output_commit_handler->user_data = user_data;
1262                 output_commit_handler->owner_tid = syscall(SYS_gettid);
1263
1264                 ret = func_output->output_commit(private_output->output_backend, sync,
1265                                 output_commit_handler);
1266                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1267
1268                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
1269                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
1270                                         private_output->pipe, output_commit_handler, func, user_data);
1271         }
1272
1273         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
1274          * for tdm_layer_committed() function.
1275          */
1276         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1277                 if (!private_layer->waiting_buffer)
1278                         continue;
1279
1280                 if (private_layer->committed_buffer) {
1281                         tdm_layer_free_buffer(private_layer, private_layer->committed_buffer);
1282                         private_layer->committed_buffer = NULL;
1283                         if (tdm_debug_module & TDM_DEBUG_BUFFER)
1284                                 TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
1285                                                  private_layer, private_layer->waiting_buffer->buffer,
1286                                                  private_layer->committed_buffer);
1287                 }
1288
1289                 private_layer->committed_buffer = private_layer->waiting_buffer;
1290                 private_layer->waiting_buffer = NULL;
1291                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1292                         TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
1293                                          private_layer, private_layer->waiting_buffer,
1294                                          private_layer->committed_buffer->buffer);
1295         }
1296
1297         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1298                 TDM_WRN("dpms %s. Directly call commit handler instead of commit.", tdm_dpms_str(dpms_value));
1299                 if (func)
1300                         func(output, 0, 0, 0, user_data);
1301         }
1302
1303         return ret;
1304
1305 commit_failed:
1306         /* LCOV_EXCL_START */
1307         if (output_commit_handler) {
1308                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1309                 LIST_DEL(&output_commit_handler->link);
1310                 free(output_commit_handler);
1311         }
1312         return ret;
1313         /* LCOV_EXCL_STOP */
1314 }
1315
1316 EXTERN tdm_error
1317 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
1318                                   void *user_data)
1319 {
1320         tdm_private_layer *private_layer = NULL;
1321
1322         OUTPUT_FUNC_ENTRY();
1323
1324         _pthread_mutex_lock(&private_display->lock);
1325
1326         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE)
1327                 private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
1328         else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1329                 TDM_ERR("Can't supported. Use tdm_layer_commit");
1330                 _pthread_mutex_unlock(&private_display->lock);
1331                 return TDM_ERROR_BAD_REQUEST;
1332         }
1333
1334         if (private_output->commit_per_vblank) {
1335                 TDM_ERR("Use tdm_layer_commit");
1336                 _pthread_mutex_unlock(&private_display->lock);
1337                 return TDM_ERROR_BAD_REQUEST;
1338         }
1339
1340         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1341                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
1342                                 tdm_dpms_str(private_output->current_dpms_value));
1343                 _pthread_mutex_unlock(&private_display->lock);
1344                 return TDM_ERROR_DPMS_OFF;
1345         }
1346
1347         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1348                 TDM_INFO("output(%d) commit", private_output->pipe);
1349
1350         /* apply the pending data of all layers */
1351         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1352                 tdm_layer_commit_pending_data(private_layer);
1353         }
1354
1355         ret = tdm_output_commit_internal(output, sync, func, user_data);
1356
1357         _pthread_mutex_unlock(&private_display->lock);
1358
1359         return ret;
1360 }
1361
1362 EXTERN tdm_error
1363 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
1364 {
1365         tdm_private_module *private_module;
1366         tdm_func_output *func_output;
1367         OUTPUT_FUNC_ENTRY();
1368
1369         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1370
1371         _pthread_mutex_lock(&private_display->lock);
1372
1373         private_module = private_output->private_module;
1374         func_output = &private_module->func_output;
1375
1376         if (!func_output->output_set_mode) {
1377                 /* LCOV_EXCL_START */
1378                 _pthread_mutex_unlock(&private_display->lock);
1379                 TDM_WRN("not implemented!!");
1380                 return TDM_ERROR_NOT_IMPLEMENTED;
1381                 /* LCOV_EXCL_STOP */
1382         }
1383
1384         ret = func_output->output_set_mode(private_output->output_backend, mode);
1385         if (ret == TDM_ERROR_NONE) {
1386                 private_output->current_mode = mode;
1387                 private_output->need_set_target_info = 1;
1388                 TDM_INFO("mode: %dx%d %dhz", mode->hdisplay, mode->vdisplay, mode->vrefresh);
1389         }
1390
1391         _pthread_mutex_unlock(&private_display->lock);
1392
1393         return ret;
1394 }
1395
1396 EXTERN tdm_error
1397 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
1398 {
1399         OUTPUT_FUNC_ENTRY();
1400
1401         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1402
1403         _pthread_mutex_lock(&private_display->lock);
1404
1405         *mode = private_output->current_mode;
1406
1407         _pthread_mutex_unlock(&private_display->lock);
1408
1409         return ret;
1410 }
1411
1412 EXTERN tdm_error
1413 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1414 {
1415         tdm_private_module *private_module;
1416         tdm_func_output *func_output;
1417         OUTPUT_FUNC_ENTRY();
1418
1419         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1420                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1421                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1422                         return TDM_ERROR_BAD_REQUEST;
1423                 }
1424
1425                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1426                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1427                                         private_output->pipe, tdm_dpms_str(dpms_value));
1428                         return TDM_ERROR_BAD_REQUEST;
1429                 }
1430         }
1431
1432         _pthread_mutex_lock(&private_display->lock);
1433
1434         if (private_output->waiting_dpms_change) {
1435                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1436                 _pthread_mutex_unlock(&private_display->lock);
1437                 return TDM_ERROR_BAD_REQUEST;
1438         }
1439
1440         private_module = private_output->private_module;
1441         func_output = &private_module->func_output;
1442
1443         TDM_INFO("output(%d) dpms '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1444
1445         if (func_output->output_set_dpms)
1446                 ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1447         else {
1448                 /* LCOV_EXCL_START */
1449                 ret = TDM_ERROR_NONE;
1450                 TDM_WRN("not implemented!!");
1451                 goto done;
1452                 /* LCOV_EXCL_STOP */
1453         }
1454
1455 done:
1456         if (ret == TDM_ERROR_NONE) {
1457                 if (private_output->current_dpms_value != dpms_value) {
1458                         private_output->current_dpms_value = dpms_value;
1459                         _tdm_output_call_thread_cb_dpms(private_output, dpms_value);
1460                 }
1461                 TDM_INFO("output(%d) dpms '%s' done", private_output->pipe, tdm_dpms_str(dpms_value));
1462         } else {
1463                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1464
1465                 /* update current_dpms_value forcely */
1466                 tdm_output_get_dpms_internal(output, &temp);
1467
1468                 TDM_ERR("output(%d) set_dpms failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1469         }
1470
1471         _pthread_mutex_unlock(&private_display->lock);
1472
1473         return ret;
1474 }
1475
1476 /* LCOV_EXCL_START */
1477 EXTERN tdm_error
1478 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
1479 {
1480         tdm_private_module *private_module;
1481         tdm_func_output *func_output;
1482         OUTPUT_FUNC_ENTRY();
1483
1484         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_ASYNC_DPMS)) {
1485                 TDM_ERR("output doesn't support the asynchronous DPMS control!");
1486                 return TDM_ERROR_BAD_REQUEST;
1487         }
1488
1489         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1490                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1491                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1492                         return TDM_ERROR_BAD_REQUEST;
1493                 }
1494
1495                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1496                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1497                                         private_output->pipe, tdm_dpms_str(dpms_value));
1498                         return TDM_ERROR_BAD_REQUEST;
1499                 }
1500         }
1501
1502         _pthread_mutex_lock(&private_display->lock);
1503
1504         if (private_output->waiting_dpms_change) {
1505                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1506                 _pthread_mutex_unlock(&private_display->lock);
1507                 return TDM_ERROR_BAD_REQUEST;
1508         }
1509
1510         private_module = private_output->private_module;
1511         func_output = &private_module->func_output;
1512         if (!func_output->output_set_dpms_handler) {
1513                 TDM_WRN("not implemented: output_set_dpms_handler");
1514                 _pthread_mutex_unlock(&private_display->lock);
1515                 return TDM_ERROR_NOT_IMPLEMENTED;
1516         }
1517
1518         if (!func_output->output_set_dpms_async) {
1519                 TDM_WRN("not implemented: output_set_dpms_async");
1520                 _pthread_mutex_unlock(&private_display->lock);
1521                 return TDM_ERROR_NOT_IMPLEMENTED;
1522         }
1523
1524         if (!private_output->regist_dpms_cb) {
1525                 private_output->regist_dpms_cb = 1;
1526                 ret = func_output->output_set_dpms_handler(private_output->output_backend,
1527                                 tdm_output_cb_dpms, private_output);
1528                 if (ret != TDM_ERROR_NONE) {
1529                         _pthread_mutex_unlock(&private_display->lock);
1530                         TDM_ERR("Can't set the dpms handler!!");
1531                         return ret;
1532                 }
1533         }
1534
1535         TDM_INFO("output(%d) dpms async '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1536
1537         ret = func_output->output_set_dpms_async(private_output->output_backend, dpms_value);
1538
1539         if (ret == TDM_ERROR_NONE) {
1540                 private_output->waiting_dpms_change = 1;
1541                 TDM_INFO("output(%d) dpms async '%s' waiting", private_output->pipe, tdm_dpms_str(dpms_value));
1542         } else {
1543                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1544
1545                 /* update current_dpms_value forcely */
1546                 tdm_output_get_dpms_internal(output, &temp);
1547
1548                 TDM_ERR("output(%d) set_dpms_async failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1549         }
1550
1551         _pthread_mutex_unlock(&private_display->lock);
1552
1553         return ret;
1554 }
1555 /* LCOV_EXCL_STOP */
1556
1557 INTERN tdm_error
1558 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1559 {
1560         tdm_private_output *private_output;
1561         tdm_private_module *private_module;
1562         tdm_func_output *func_output;
1563         tdm_error ret = TDM_ERROR_NONE;
1564
1565         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
1566
1567         private_output = (tdm_private_output*)output;
1568
1569         /* TODO: this is ugly. But before calling backend's output_get_dpms(), we have
1570          * to check if all backends's DPMS operation has no problem. In future, we'd
1571          * better use new env instead of using commit_per_vblank variable to distinguish
1572          * whether we use the stored value or backend's output_get_dpms.
1573          */
1574         if (!private_output->commit_per_vblank) {
1575                 *dpms_value = private_output->current_dpms_value;
1576                 return TDM_ERROR_NONE;
1577         }
1578
1579         private_module = private_output->private_module;
1580         func_output = &private_module->func_output;
1581
1582         if (!func_output->output_get_dpms) {
1583                 /* LCOV_EXCL_START */
1584                 *dpms_value = private_output->current_dpms_value;
1585                 TDM_WRN("not implemented!!");
1586                 return TDM_ERROR_NONE;
1587                 /* LCOV_EXCL_STOP */
1588         }
1589
1590         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1591         if (ret != TDM_ERROR_NONE) {
1592                 /* LCOV_EXCL_START */
1593                 TDM_ERR("output_get_dpms failed");
1594                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1595                 /* LCOV_EXCL_STOP */
1596         }
1597
1598         /* checking with backend's value */
1599         if (*dpms_value != private_output->current_dpms_value) {
1600                 TDM_ERR("output(%d) dpms changed suddenly: %s -> %s",
1601                                 private_output->pipe, tdm_dpms_str(private_output->current_dpms_value),
1602                                 tdm_dpms_str(*dpms_value));
1603                 private_output->current_dpms_value = *dpms_value;
1604                 _tdm_output_call_thread_cb_dpms(private_output, *dpms_value);
1605         }
1606
1607         return ret;
1608 }
1609
1610 EXTERN tdm_error
1611 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1612 {
1613         OUTPUT_FUNC_ENTRY();
1614
1615         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1616
1617         _pthread_mutex_lock(&private_display->lock);
1618
1619         ret = tdm_output_get_dpms_internal(output, dpms_value);
1620
1621         _pthread_mutex_unlock(&private_display->lock);
1622
1623         return ret;
1624 }
1625
1626 EXTERN tdm_error
1627 tdm_output_has_capture_capability(tdm_output *output, unsigned int *has_capability)
1628 {
1629         tdm_private_module *private_module;
1630
1631         OUTPUT_FUNC_ENTRY();
1632
1633         TDM_RETURN_VAL_IF_FAIL(has_capability != NULL, TDM_ERROR_INVALID_PARAMETER);
1634
1635         _pthread_mutex_lock(&private_display->lock);
1636
1637         private_module = private_output->private_module;
1638
1639         if (!(private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
1640                 *has_capability = 0;
1641         else if (!(private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT))
1642                 *has_capability = 0;
1643         else
1644                 *has_capability = 1;
1645
1646         _pthread_mutex_unlock(&private_display->lock);
1647
1648         return ret;
1649 }
1650
1651 EXTERN tdm_capture *
1652 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1653 {
1654         tdm_capture *capture = NULL;
1655
1656         OUTPUT_FUNC_ENTRY_ERROR();
1657
1658         _pthread_mutex_lock(&private_display->lock);
1659
1660         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1661
1662         _pthread_mutex_unlock(&private_display->lock);
1663
1664         return capture;
1665 }
1666
1667 EXTERN tdm_hwc *
1668 tdm_output_get_hwc(tdm_output *output, tdm_error *error)
1669 {
1670         tdm_private_hwc *private_hwc = NULL;
1671
1672         OUTPUT_FUNC_ENTRY_ERROR();
1673
1674         _pthread_mutex_lock(&private_display->lock);
1675
1676         private_hwc = private_output->private_hwc;
1677         if (!private_hwc) {
1678                 if (error)
1679                         *error = TDM_ERROR_BAD_REQUEST;
1680                 _pthread_mutex_unlock(&private_display->lock);
1681                 return NULL;
1682         }
1683
1684         if (error)
1685                 *error = TDM_ERROR_NONE;
1686
1687         _pthread_mutex_unlock(&private_display->lock);
1688
1689         return private_hwc;
1690 }
1691
1692 INTERN tdm_error
1693 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
1694 {
1695         if (!private_output)
1696                 return TDM_ERROR_INVALID_PARAMETER;
1697
1698         if (mode < 0 || mode > 2)
1699                 return TDM_ERROR_INVALID_PARAMETER;
1700
1701         private_output->commit_per_vblank = mode;
1702
1703         if (private_output->commit_per_vblank == 0)
1704                 TDM_INFO("commit per vblank: disable");
1705         else if (private_output->commit_per_vblank == 1)
1706                 TDM_INFO("commit per vblank: enable (1 layer)");
1707         else if (private_output->commit_per_vblank == 2)
1708                 TDM_INFO("commit per vblank: enable (previous commit)");
1709
1710         return TDM_ERROR_NONE;
1711 }
1712
1713 INTERN tdm_voutput *
1714 tdm_voutput_create(tdm_display *dpy, const char *name, tdm_error *error)
1715 {
1716         tdm_private_module *private_module = NULL;
1717         tdm_private_module *current_module = NULL;
1718         tdm_private_voutput *private_voutput = NULL;
1719         tdm_private_output *private_output = NULL;
1720         tdm_func_display *func_display = NULL;
1721         tdm_func_voutput *func_voutput = NULL;
1722         tdm_voutput *voutput_backend = NULL;
1723         tdm_output *output_backend = NULL;
1724         int output_find = 0;
1725         tdm_private_display *private_display;
1726         tdm_error ret = TDM_ERROR_NONE;
1727
1728         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(dpy != NULL, TDM_ERROR_INVALID_PARAMETER, NULL);
1729         private_display = (tdm_private_display*)dpy;
1730         private_module = private_display->virtual_module;
1731         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(private_module != NULL, TDM_ERROR_BAD_MODULE, NULL);
1732
1733         _pthread_mutex_lock(&private_display->lock);
1734
1735         if (error)
1736                 *error = TDM_ERROR_NONE;
1737
1738         private_voutput = calloc(1, sizeof(tdm_private_voutput));
1739         if (!private_voutput) {
1740                 *error = TDM_ERROR_OUT_OF_MEMORY;
1741                 _pthread_mutex_unlock(&private_display->lock);
1742                 return NULL;
1743         }
1744
1745         func_display = &private_module->func_display;
1746         func_voutput = &private_module->func_voutput;
1747         current_module = private_display->current_module;
1748         private_display->current_module = private_module;
1749
1750         voutput_backend = func_display->voutput_create(private_module->bdata, name, &ret);
1751
1752         if (voutput_backend == NULL || ret != TDM_ERROR_NONE) {
1753                 TDM_ERR("voutput_create fail");
1754                 free(private_voutput);
1755                 *error = ret;
1756                 private_display->current_module = current_module;
1757                 _pthread_mutex_unlock(&private_display->lock);
1758                 return NULL;
1759         }
1760         private_voutput->voutput_backend = voutput_backend;
1761         private_voutput->private_display = private_display;
1762         private_voutput->private_module = private_module;
1763         LIST_INITHEAD(&private_voutput->voutput_commit_handler_list);
1764
1765         output_backend = func_voutput->voutput_get_output(voutput_backend, &ret);
1766         if (output_backend == NULL || ret != TDM_ERROR_NONE) {
1767                 TDM_ERR("voutput_get_output fail");
1768                 free(private_voutput);
1769                 *error = ret;
1770                 if (func_voutput->voutput_destroy)
1771                         func_voutput->voutput_destroy(voutput_backend);
1772                 else
1773                         TDM_ERR("no destroy function");
1774                 private_display->current_module = current_module;
1775                 _pthread_mutex_unlock(&private_display->lock);
1776                 return NULL;
1777         }
1778
1779         ret = tdm_display_update_output(private_display->current_module, output_backend);
1780         if (ret != TDM_ERROR_NONE) {
1781                 TDM_ERR("tdm_display_update_output fail");
1782                 free(private_voutput);
1783                 if (func_voutput->voutput_destroy)
1784                         func_voutput->voutput_destroy(voutput_backend);
1785                 else
1786                         TDM_ERR("no destroy function");
1787                 *error = ret;
1788                 private_display->current_module = current_module;
1789                 _pthread_mutex_unlock(&private_display->lock);
1790                 return NULL;
1791         }
1792
1793         LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
1794                 if (private_output->output_backend == output_backend) {
1795                         output_find = 1;
1796                         break;
1797                 }
1798         }
1799
1800         if (output_find != 1) {
1801                 private_output = NULL;
1802                 free(private_voutput);
1803                 if (func_voutput->voutput_destroy)
1804                         func_voutput->voutput_destroy(voutput_backend);
1805                 else
1806                         TDM_ERR("no destroy function");
1807         } else {
1808                 strncpy(private_voutput->name, name, TDM_NAME_LEN);
1809                 strncpy(private_output->name, name, TDM_NAME_LEN);
1810
1811                 private_voutput->private_output = private_output;
1812                 private_output->private_voutput = private_voutput;
1813
1814                 /* do not use vblank */
1815                 tdm_output_choose_commit_per_vblank_mode(private_output, 0);
1816
1817                 LIST_ADDTAIL(&private_voutput->link, &private_module->voutput_list);
1818         }
1819
1820         private_display->current_module = current_module;
1821
1822         _pthread_mutex_unlock(&private_display->lock);
1823
1824         return private_voutput;
1825 }
1826
1827 INTERN tdm_error
1828 tdm_voutput_destroy(tdm_voutput *voutput)
1829 {
1830         tdm_private_module *private_module = NULL;
1831         tdm_voutput *voutput_backend = NULL;
1832         tdm_func_voutput *func_voutput = NULL;
1833
1834         tdm_private_display *private_display;
1835         tdm_private_voutput *private_voutput;
1836         tdm_private_output *private_output;
1837         tdm_error ret = TDM_ERROR_NONE;
1838         TDM_RETURN_VAL_IF_FAIL(voutput != NULL, TDM_ERROR_INVALID_PARAMETER);
1839         private_voutput = (tdm_private_voutput*)voutput;
1840         private_display = private_voutput->private_display;
1841         private_module = private_voutput->private_module;
1842         TDM_RETURN_VAL_IF_FAIL(private_module == private_display->virtual_module, TDM_ERROR_BAD_MODULE);
1843
1844         _pthread_mutex_lock(&private_display->lock);
1845
1846         func_voutput = &private_module->func_voutput;
1847         voutput_backend = private_voutput->voutput_backend;
1848         private_output = private_voutput->private_output;
1849         tdm_display_destroy_private_output(private_output);
1850         LIST_DEL(&private_voutput->link);
1851         free(private_voutput);
1852         if (func_voutput->voutput_destroy)
1853                 ret = func_voutput->voutput_destroy(voutput_backend);
1854
1855         _pthread_mutex_unlock(&private_display->lock);
1856
1857         return ret;
1858 }