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 tdm_error
 504 tdm_output_add_mode_change_request_handler(tdm_output *output,
 505                                                                                    tdm_output_mode_change_request_handler func,
 506                                                                                    void *user_data)
 507 {
 508         tdm_private_display *private_display;
 509         tdm_private_output *private_output;
 510         tdm_private_output_mode_change_handler *mode_change_handler = NULL;
 511
 512         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 513         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 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(mode_change_handler, &private_output->mode_change_request_handler_list, link) {
 521                 if (mode_change_handler->func == func && mode_change_handler->user_data == user_data) {
 522                         TDM_ERR("can't add twice");
 523                         _pthread_mutex_unlock(&private_display->lock);
 524                         return TDM_ERROR_BAD_REQUEST;
 525                 }
 526         }
 527
 528         mode_change_handler = calloc(1, sizeof(tdm_private_output_change_handler));
 529         if (!mode_change_handler) {
 530                 /* LCOV_EXCL_START */
 531                 TDM_ERR("failed: alloc memory");
 532                 _pthread_mutex_unlock(&private_display->lock);
 533                 return TDM_ERROR_OUT_OF_MEMORY;
 534                 /* LCOV_EXCL_STOP */
 535         }
 536
 537         mode_change_handler->private_output = private_output;
 538         mode_change_handler->func = func;
 539         mode_change_handler->user_data = user_data;
 540
 541         LIST_ADDTAIL(&mode_change_handler->link, &private_output->mode_change_request_handler_list);
 542
 543         _pthread_mutex_unlock(&private_display->lock);
 544
 545         return TDM_ERROR_NONE;
 546 }
 547
 548 EXTERN tdm_error
 549 tdm_output_remove_mode_change_request_handler(tdm_output *output,
 550                                                                                           tdm_output_mode_change_request_handler func,
 551                                                                                           void *user_data)
 552 {
 553         tdm_private_display *private_display;
 554         tdm_private_output *private_output;
 555         tdm_private_output_mode_change_handler *mode_change_handler = NULL, *hh = NULL;
 556
 557         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
 558         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 559
 560         private_output = (tdm_private_output*)output;
 561         private_display = private_output->private_display;
 562
 563         _pthread_mutex_lock(&private_display->lock);
 564
 565         LIST_FOR_EACH_ENTRY_SAFE(mode_change_handler, hh, &private_output->mode_change_request_handler_list, link) {
 566                 if (mode_change_handler->func != func || mode_change_handler->user_data != user_data)
 567                         continue;
 568
 569                 LIST_DEL(&mode_change_handler->link);
 570                 free(mode_change_handler);
 571
 572                 _pthread_mutex_unlock(&private_display->lock);
 573
 574                 return TDM_ERROR_NONE;
 575         }
 576
 577         _pthread_mutex_unlock(&private_display->lock);
 578
 579         return TDM_ERROR_INVALID_PARAMETER;
 580 }
 581
 582 EXTERN void
 583 tdm_output_remove_change_handler(tdm_output *output,
 584                                                                  tdm_output_change_handler func,
 585                                                                  void *user_data)
 586 {
 587         tdm_private_display *private_display;
 588         tdm_private_output *private_output;
 589         tdm_private_output_change_handler *change_handler = NULL, *hh = NULL;
 590
 591         TDM_RETURN_IF_FAIL(output != NULL);
 592         TDM_RETURN_IF_FAIL(func != NULL);
 593
 594         private_output = (tdm_private_output*)output;
 595         private_display = private_output->private_display;
 596
 597         _pthread_mutex_lock(&private_display->lock);
 598
 599         LIST_FOR_EACH_ENTRY_SAFE(change_handler, hh, &private_output->change_handler_list, link) {
 600                 if (change_handler->func != func || change_handler->user_data != user_data)
 601                         continue;
 602
 603                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 604                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, change_handler);
 605
 606                 LIST_DEL(&change_handler->link);
 607                 free(change_handler);
 608
 609                 _pthread_mutex_unlock(&private_display->lock);
 610
 611                 return;
 612         }
 613
 614         _pthread_mutex_unlock(&private_display->lock);
 615 }
 616
 617 EXTERN tdm_error
 618 tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
 619 {
 620         OUTPUT_FUNC_ENTRY();
 621
 622         TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
 623
 624         _pthread_mutex_lock(&private_display->lock);
 625
 626         *type = private_output->caps.type;
 627
 628         _pthread_mutex_unlock(&private_display->lock);
 629
 630         return ret;
 631 }
 632
 633 EXTERN tdm_error
 634 tdm_output_get_layer_count(tdm_output *output, int *count)
 635 {
 636         tdm_private_layer *private_layer = NULL;
 637
 638         OUTPUT_FUNC_ENTRY();
 639
 640         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 641
 642         _pthread_mutex_lock(&private_display->lock);
 643
 644         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 645                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 646                 *count = 0;
 647                 _pthread_mutex_unlock(&private_display->lock);
 648                 return TDM_ERROR_BAD_REQUEST;
 649         }
 650
 651         *count = 0;
 652         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
 653                 (*count)++;
 654         if (*count == 0) {
 655                 _pthread_mutex_unlock(&private_display->lock);
 656                 return TDM_ERROR_NONE;
 657         }
 658
 659         _pthread_mutex_unlock(&private_display->lock);
 660
 661         return ret;
 662 }
 663
 664
 665 EXTERN tdm_layer *
 666 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 667 {
 668         tdm_private_layer *private_layer = NULL;
 669
 670         OUTPUT_FUNC_ENTRY_ERROR();
 671
 672         _pthread_mutex_lock(&private_display->lock);
 673
 674         if (error)
 675                 *error = TDM_ERROR_NONE;
 676
 677         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 678                 _pthread_mutex_unlock(&private_display->lock);
 679                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 680                 if (error)
 681                         *error = TDM_ERROR_BAD_REQUEST;
 682                 return NULL;
 683         }
 684
 685         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 686                 if (private_layer->index == index) {
 687                         _pthread_mutex_unlock(&private_display->lock);
 688                         return private_layer;
 689                 }
 690         }
 691
 692         _pthread_mutex_unlock(&private_display->lock);
 693
 694         return NULL;
 695 }
 696
 697 EXTERN tdm_error
 698 tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
 699                                                                         int *count)
 700 {
 701         OUTPUT_FUNC_ENTRY();
 702
 703         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 704         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 705
 706         _pthread_mutex_lock(&private_display->lock);
 707
 708         *props = (const tdm_prop *)private_output->caps.props;
 709         *count = private_output->caps.prop_count;
 710
 711         _pthread_mutex_unlock(&private_display->lock);
 712
 713         return ret;
 714 }
 715
 716 EXTERN tdm_error
 717 tdm_output_get_available_modes(tdm_output *output,
 718                                                            const tdm_output_mode **modes, int *count)
 719 {
 720         OUTPUT_FUNC_ENTRY();
 721
 722         TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
 723         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 724
 725         _pthread_mutex_lock(&private_display->lock);
 726
 727         *modes = (const tdm_output_mode *)private_output->caps.modes;
 728         *count = private_output->caps.mode_count;
 729
 730         _pthread_mutex_unlock(&private_display->lock);
 731
 732         return ret;
 733 }
 734
 735 EXTERN tdm_error
 736 tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
 737                                                           int *max_w, int *max_h, int *preferred_align)
 738 {
 739         OUTPUT_FUNC_ENTRY();
 740
 741         _pthread_mutex_lock(&private_display->lock);
 742
 743         if (min_w)
 744                 *min_w = TDM_FRONT_VALUE(private_output->caps.min_w);
 745         if (min_h)
 746                 *min_h = TDM_FRONT_VALUE(private_output->caps.min_h);
 747         if (max_w)
 748                 *max_w = TDM_FRONT_VALUE(private_output->caps.max_w);
 749         if (max_h)
 750                 *max_h = TDM_FRONT_VALUE(private_output->caps.max_h);
 751         if (preferred_align)
 752                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.preferred_align);
 753
 754         _pthread_mutex_unlock(&private_display->lock);
 755
 756         return ret;
 757 }
 758
 759 EXTERN tdm_error
 760 tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
 761                                                                          int *max_w, int *max_h, int *preferred_align)
 762 {
 763         OUTPUT_FUNC_ENTRY();
 764
 765         _pthread_mutex_lock(&private_display->lock);
 766
 767         if (!tdm_module_check_abi(private_output->private_module, 1, 5)) {
 768                 _pthread_mutex_unlock(&private_display->lock);
 769                 return TDM_ERROR_BAD_REQUEST;
 770         }
 771
 772         if (min_w)
 773                 *min_w = TDM_FRONT_VALUE(private_output->caps.cursor_min_w);
 774         if (min_h)
 775                 *min_h = TDM_FRONT_VALUE(private_output->caps.cursor_min_h);
 776         if (max_w)
 777                 *max_w = TDM_FRONT_VALUE(private_output->caps.cursor_max_w);
 778         if (max_h)
 779                 *max_h = TDM_FRONT_VALUE(private_output->caps.cursor_max_h);
 780         if (preferred_align)
 781                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.cursor_preferred_align);
 782
 783         _pthread_mutex_unlock(&private_display->lock);
 784
 785         return ret;
 786 }
 787
 788 EXTERN tdm_error
 789 tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
 790                                                          unsigned int *mmHeight)
 791 {
 792         OUTPUT_FUNC_ENTRY();
 793
 794         _pthread_mutex_lock(&private_display->lock);
 795
 796         if (mmWidth)
 797                 *mmWidth = private_output->caps.mmWidth;
 798         if (mmHeight)
 799                 *mmHeight = private_output->caps.mmHeight;
 800
 801         _pthread_mutex_unlock(&private_display->lock);
 802
 803         return ret;
 804 }
 805
 806 EXTERN tdm_error
 807 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
 808 {
 809         OUTPUT_FUNC_ENTRY();
 810         TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
 811
 812         _pthread_mutex_lock(&private_display->lock);
 813
 814         *subpixel = private_output->caps.subpixel;
 815
 816         _pthread_mutex_unlock(&private_display->lock);
 817
 818         return ret;
 819 }
 820
 821 EXTERN tdm_error
 822 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
 823 {
 824         OUTPUT_FUNC_ENTRY();
 825         TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
 826
 827         _pthread_mutex_lock(&private_display->lock);
 828
 829         *pipe = private_output->pipe;
 830
 831         _pthread_mutex_unlock(&private_display->lock);
 832
 833         return ret;
 834 }
 835
 836 EXTERN tdm_error
 837 tdm_output_get_primary_index(tdm_output *output, int *index)
 838 {
 839         tdm_private_layer *private_layer = NULL;
 840
 841         OUTPUT_FUNC_ENTRY();
 842         TDM_RETURN_VAL_IF_FAIL(index != NULL, TDM_ERROR_INVALID_PARAMETER);
 843
 844         _pthread_mutex_lock(&private_display->lock);
 845
 846         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 847                 if (private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_PRIMARY) {
 848                         *index = private_layer->index;
 849                         break;
 850                 }
 851         }
 852
 853         _pthread_mutex_unlock(&private_display->lock);
 854
 855         return ret;
 856 }
 857
 858 EXTERN tdm_error
 859 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
 860 {
 861         tdm_private_module *private_module;
 862         tdm_func_output *func_output;
 863         OUTPUT_FUNC_ENTRY();
 864
 865         _pthread_mutex_lock(&private_display->lock);
 866
 867         private_module = private_output->private_module;
 868         func_output = &private_module->func_output;
 869
 870         if (!func_output->output_set_property) {
 871                 /* LCOV_EXCL_START */
 872                 _pthread_mutex_unlock(&private_display->lock);
 873                 TDM_WRN("not implemented!!");
 874                 return TDM_ERROR_NOT_IMPLEMENTED;
 875                 /* LCOV_EXCL_STOP */
 876         }
 877
 878         ret = func_output->output_set_property(private_output->output_backend, id,
 879                                                                                    value);
 880
 881         _pthread_mutex_unlock(&private_display->lock);
 882
 883         return ret;
 884 }
 885
 886 EXTERN tdm_error
 887 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 888 {
 889         tdm_private_module *private_module;
 890         tdm_func_output *func_output;
 891         OUTPUT_FUNC_ENTRY();
 892
 893         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 894
 895         _pthread_mutex_lock(&private_display->lock);
 896
 897         private_module = private_output->private_module;
 898         func_output = &private_module->func_output;
 899
 900         if (!func_output->output_get_property) {
 901                 /* LCOV_EXCL_START */
 902                 _pthread_mutex_unlock(&private_display->lock);
 903                 TDM_WRN("not implemented!!");
 904                 return TDM_ERROR_NOT_IMPLEMENTED;
 905                 /* LCOV_EXCL_STOP */
 906         }
 907
 908         ret = func_output->output_get_property(private_output->output_backend, id,
 909                                                                                    value);
 910
 911         _pthread_mutex_unlock(&private_display->lock);
 912
 913         return ret;
 914 }
 915
 916 static void
 917 _tdm_output_thread_cb_vblank(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 918 {
 919         tdm_thread_cb_output_vblank *output_vblank = (tdm_thread_cb_output_vblank *)cb_base;
 920         tdm_private_output_vblank_handler *vblank_handler = output_vblank->base.data;
 921         tdm_private_output_vblank_handler *v = NULL, *vv = NULL;
 922         tdm_private_output *private_output = object;
 923         struct list_head clone_list;
 924         int interval, sync;
 925         pid_t tid = syscall(SYS_gettid);
 926
 927         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 928
 929         assert(vblank_handler->owner_tid == tid);
 930
 931         vblank_handler->sent_to_frontend = 0;
 932
 933         _tdm_output_vblank_timeout_update(private_output, 0);
 934
 935         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 936
 937         interval = vblank_handler->interval;
 938         sync = vblank_handler->sync;
 939
 940         LIST_INITHEAD(&clone_list);
 941
 942         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 943                 if (v->interval != interval || v->sync != sync || v->owner_tid != tid)
 944                         continue;
 945
 946                 LIST_DEL(&v->link);
 947                 LIST_ADDTAIL(&v->link, &clone_list);
 948         }
 949
 950         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 951                 TDM_INFO("----------------------------------------- output(%d) got vblank", private_output->pipe);
 952
 953         _pthread_mutex_unlock(&private_display->lock);
 954         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &clone_list, link) {
 955                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 956                         TDM_INFO("handler(%p)", v);
 957
 958                 LIST_DEL(&v->link);
 959
 960                 if (v->func)
 961                         v->func(v->private_output,
 962                                         output_vblank->sequence,
 963                                         output_vblank->tv_sec,
 964                                         output_vblank->tv_usec,
 965                                         v->user_data);
 966
 967                 free(v);
 968         }
 969         _pthread_mutex_lock(&private_display->lock);
 970
 971         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 972                 TDM_INFO("-----------------------------------------...");
 973 }
 974
 975 static void
 976 _tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 977                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 978 {
 979         tdm_private_output_vblank_handler *vblank_handler = user_data;
 980         tdm_thread_cb_output_vblank output_vblank;
 981         tdm_error ret;
 982
 983         memset(&output_vblank, 0, sizeof output_vblank);
 984         output_vblank.base.type = TDM_THREAD_CB_OUTPUT_VBLANK;
 985         output_vblank.base.length = sizeof output_vblank;
 986         output_vblank.base.object_stamp = vblank_handler->private_output->stamp;
 987         output_vblank.base.data = vblank_handler;
 988         output_vblank.base.sync = 0;
 989         output_vblank.sequence = sequence;
 990         output_vblank.tv_sec = tv_sec;
 991         output_vblank.tv_usec = tv_usec;
 992
 993         vblank_handler->sent_to_frontend = 1;
 994
 995         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 996                 TDM_INFO("output(%d) wait_vblank: handler(%p)", vblank_handler->private_output->pipe, vblank_handler);
 997
 998         ret = tdm_thread_cb_call(vblank_handler->private_output, &output_vblank.base, 1);
 999         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1000 }
1001
1002 static void
1003 _tdm_output_thread_cb_commit(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
1004 {
1005         tdm_thread_cb_output_commit *output_commit = (tdm_thread_cb_output_commit *)cb_base;
1006         tdm_private_output_commit_handler *output_commit_handler = output_commit->base.data;
1007         tdm_private_output *private_output = object;
1008         tdm_private_layer *private_layer = NULL;
1009
1010         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1011
1012         if (!output_commit_handler)
1013                 return;
1014
1015         assert(output_commit_handler->owner_tid == syscall(SYS_gettid));
1016
1017         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1018
1019         LIST_DEL(&output_commit_handler->link);
1020
1021         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
1022                 TDM_INFO("----------------------------------------- output(%d) committed", private_output->pipe);
1023                 TDM_INFO("handler(%p)", output_commit_handler);
1024         }
1025
1026         if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
1027                 /* In case of layer commit, the below will be handled in the layer commit callback */
1028                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1029                         if (private_layer->committed_buffer)
1030                                 tdm_layer_committed(private_layer, &private_layer->committed_buffer);
1031                 }
1032         }
1033
1034         if (output_commit_handler->func) {
1035                 _pthread_mutex_unlock(&private_display->lock);
1036                 output_commit_handler->func(private_output,
1037                                                                         output_commit->sequence,
1038                                                                         output_commit->tv_sec,
1039                                                                         output_commit->tv_usec,
1040                                                                         output_commit_handler->user_data);
1041                 _pthread_mutex_lock(&private_display->lock);
1042         }
1043
1044         free(output_commit_handler);
1045
1046         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1047                 TDM_INFO("-----------------------------------------...");
1048 }
1049
1050 static void
1051 _tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
1052                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
1053 {
1054         tdm_private_output_commit_handler *output_commit_handler = user_data;
1055         tdm_private_output *private_output;
1056         tdm_thread_cb_output_commit output_commit;
1057         tdm_error ret;
1058
1059         if (output_commit_handler)
1060                 private_output = output_commit_handler->private_output;
1061         else
1062                 private_output = tdm_display_find_private_output(tdm_display_get(), output_backend);
1063
1064         memset(&output_commit, 0, sizeof output_commit);
1065         output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
1066         output_commit.base.length = sizeof output_commit;
1067         output_commit.base.object_stamp = private_output->stamp;
1068         output_commit.base.data = output_commit_handler;
1069         output_commit.base.sync = 0;
1070         output_commit.sequence = sequence;
1071         output_commit.tv_sec = tv_sec;
1072         output_commit.tv_usec = tv_usec;
1073
1074         ret = tdm_thread_cb_call(private_output, &output_commit.base, 1);
1075         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1076 }
1077
1078 /* add_front: To distinguish between the user vblank handlers and the layer
1079  *            commit vblank handlers. The layer commit handlers will be called
1080  *            before calling the user vblank handlers.
1081  */
1082 static tdm_error
1083 _tdm_output_wait_vblank(tdm_private_output *private_output, int interval, int sync,
1084                                                 tdm_output_vblank_handler func, void *user_data,
1085                                                 unsigned int add_front)
1086 {
1087         tdm_private_module *private_module;
1088         tdm_func_output *func_output;
1089         tdm_private_output_vblank_handler *vblank_handler = NULL, *v = NULL;
1090         unsigned int skip_request = 0;
1091         pid_t tid = syscall(SYS_gettid);
1092         tdm_error ret = TDM_ERROR_NONE;
1093
1094         private_module = private_output->private_module;
1095         func_output = &private_module->func_output;
1096
1097         /* interval SHOULD be at least 1 */
1098         if (interval <= 0)
1099                 interval = 1;
1100
1101         if (!func_output->output_wait_vblank) {
1102                 /* LCOV_EXCL_START */
1103                 TDM_WRN("not implemented!!");
1104                 return TDM_ERROR_NOT_IMPLEMENTED;
1105                 /* LCOV_EXCL_STOP */
1106         }
1107
1108         if (!private_output->regist_vblank_cb) {
1109                 private_output->regist_vblank_cb = 1;
1110                 ret = func_output->output_set_vblank_handler(private_output->output_backend,
1111                                 _tdm_output_cb_vblank);
1112         }
1113
1114         vblank_handler = calloc(1, sizeof(tdm_private_output_vblank_handler));
1115         if (!vblank_handler) {
1116                 /* LCOV_EXCL_START */
1117                 TDM_ERR("failed: alloc memory");
1118                 return TDM_ERROR_OUT_OF_MEMORY;
1119                 /* LCOV_EXCL_STOP */
1120         }
1121
1122         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1123                 TDM_INFO("output(%d) wait_vblank: handler(%p)", private_output->pipe, vblank_handler);
1124
1125         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
1126                 if (v->interval == interval && v->sync == sync && v->owner_tid == tid) {
1127                         skip_request = 1;
1128                         break;
1129                 }
1130         }
1131
1132         if (add_front)
1133                 LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
1134         else
1135                 LIST_ADDTAIL(&vblank_handler->link, &private_output->vblank_handler_list);
1136
1137         vblank_handler->private_output = private_output;
1138         vblank_handler->interval = interval;
1139         vblank_handler->sync = sync;
1140         vblank_handler->func = func;
1141         vblank_handler->user_data = user_data;
1142         vblank_handler->owner_tid = tid;
1143
1144         /* If there is the previous request, we can skip to call output_wait_vblank() */
1145         if (!skip_request) {
1146                 ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
1147                 if (ret != TDM_ERROR_NONE) {
1148                         TDM_ERR("tdm_thread_cb_add failed");
1149                         goto wait_failed;
1150                 }
1151
1152                 ret = func_output->output_wait_vblank(private_output->output_backend, interval,
1153                                                                                           sync, vblank_handler);
1154                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
1155
1156                 _tdm_output_vblank_timeout_update(private_output, 1000);
1157
1158                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
1159                         TDM_INFO("output(%d) backend wait_vblank", private_output->pipe);
1160         }
1161
1162         return ret;
1163
1164 wait_failed:
1165         /* LCOV_EXCL_START */
1166         if (vblank_handler) {
1167                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
1168                 LIST_DEL(&vblank_handler->link);
1169                 free(vblank_handler);
1170         }
1171         return ret;
1172         /* LCOV_EXCL_STOP */
1173 }
1174
1175 EXTERN tdm_error
1176 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
1177                                            tdm_output_vblank_handler func, void *user_data)
1178 {
1179         OUTPUT_FUNC_ENTRY();
1180         TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_ERROR_INVALID_PARAMETER);
1181
1182         _pthread_mutex_lock(&private_display->lock);
1183
1184         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1185                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
1186                                 tdm_dpms_str(private_output->current_dpms_value));
1187                 _pthread_mutex_unlock(&private_display->lock);
1188                 return TDM_ERROR_DPMS_OFF;
1189         }
1190
1191         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 0);
1192
1193         _pthread_mutex_unlock(&private_display->lock);
1194
1195         return ret;
1196 }
1197
1198 /* LCOV_EXCL_START */
1199 EXTERN tdm_error
1200 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
1201                                                                  tdm_output_vblank_handler func, void *user_data)
1202 {
1203         OUTPUT_FUNC_ENTRY();
1204
1205         _pthread_mutex_lock(&private_display->lock);
1206
1207         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1208                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
1209                                 tdm_dpms_str(private_output->current_dpms_value));
1210                 _pthread_mutex_unlock(&private_display->lock);
1211                 return TDM_ERROR_DPMS_OFF;
1212         }
1213
1214         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 1);
1215
1216         _pthread_mutex_unlock(&private_display->lock);
1217
1218         return ret;
1219 }
1220 /* LCOV_EXCL_STOP */
1221
1222 INTERN void
1223 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
1224 {
1225         tdm_private_output *private_output = (tdm_private_output*)output;
1226         tdm_private_output_vblank_handler *v = NULL;
1227
1228         TDM_RETURN_IF_FAIL(private_output != NULL);
1229         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1230
1231         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
1232                 if (v->func == func && v->user_data == user_data) {
1233                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1234                         v->func = NULL;
1235                         v->user_data = NULL;
1236                         break;
1237                 }
1238         }
1239 }
1240
1241 INTERN void
1242 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1243 {
1244         tdm_private_output *private_output = (tdm_private_output*)output;
1245         tdm_private_output_commit_handler *c = NULL;
1246
1247         TDM_RETURN_IF_FAIL(private_output != NULL);
1248         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1249
1250         LIST_FOR_EACH_ENTRY(c, &private_output->output_commit_handler_list, link) {
1251                 if (c->func == func && c->user_data == user_data) {
1252                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1253                         c->func = NULL;
1254                         c->user_data = NULL;
1255                         break;
1256                 }
1257         }
1258 }
1259
1260 EXTERN tdm_error
1261 tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
1262 {
1263         OUTPUT_FUNC_ENTRY();
1264
1265         _pthread_mutex_lock(&private_display->lock);
1266
1267         tdm_output_remove_vblank_handler_internal(output, func, user_data);
1268
1269         _pthread_mutex_unlock(&private_display->lock);
1270
1271         return ret;
1272 }
1273
1274 EXTERN tdm_error
1275 tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1276 {
1277         OUTPUT_FUNC_ENTRY();
1278
1279         _pthread_mutex_lock(&private_display->lock);
1280
1281         tdm_output_remove_commit_handler_internal(output, func, user_data);
1282
1283         _pthread_mutex_unlock(&private_display->lock);
1284
1285         return ret;
1286 }
1287
1288 INTERN void
1289 tdm_output_request_mode_set(tdm_output *output, unsigned int index)
1290 {
1291         tdm_private_output *private_output = (tdm_private_output*)output;
1292         tdm_private_output_mode_change_handler *mode_change_handler = NULL;
1293
1294         TDM_RETURN_IF_FAIL(private_output != NULL);
1295
1296         if (LIST_IS_EMPTY(&private_output->mode_change_request_handler_list))
1297                 return;
1298
1299         LIST_FOR_EACH_ENTRY(mode_change_handler, &private_output->mode_change_request_handler_list, link) {
1300                 mode_change_handler->func(mode_change_handler->private_output, index, mode_change_handler->user_data);
1301         }
1302 }
1303
1304 INTERN tdm_error
1305 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
1306 {
1307         tdm_private_output *private_output;
1308         tdm_private_module *private_module;
1309         tdm_func_output *func_output;
1310         tdm_private_output_commit_handler *output_commit_handler = NULL;
1311         tdm_private_layer *private_layer = NULL;
1312         tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
1313         tdm_error ret = TDM_ERROR_NONE;
1314
1315         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
1316
1317         private_output = (tdm_private_output*)output;
1318         private_module = private_output->private_module;
1319         func_output = &private_module->func_output;
1320
1321         if (!func_output->output_commit) {
1322                 /* LCOV_EXCL_START */
1323                 TDM_WRN("not implemented!!");
1324                 return TDM_ERROR_NOT_IMPLEMENTED;
1325                 /* LCOV_EXCL_STOP */
1326         }
1327
1328         ret = tdm_output_get_dpms_internal(output, &dpms_value);
1329         TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
1330
1331         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1332                 if (!private_output->regist_commit_cb) {
1333                         private_output->regist_commit_cb = 1;
1334                         ret = func_output->output_set_commit_handler(private_output->output_backend, _tdm_output_cb_commit);
1335                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1336                 }
1337
1338                 output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
1339                 if (!output_commit_handler) {
1340                         /* LCOV_EXCL_START */
1341                         TDM_ERR("failed: alloc memory");
1342                         return TDM_ERROR_OUT_OF_MEMORY;
1343                         /* LCOV_EXCL_STOP */
1344                 }
1345
1346                 ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1347                 if (ret != TDM_ERROR_NONE) {
1348                         TDM_ERR("tdm_thread_cb_add failed");
1349                         free(output_commit_handler);
1350                         return ret;
1351                 }
1352
1353                 LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
1354                 output_commit_handler->private_output = private_output;
1355                 output_commit_handler->func = func;
1356                 output_commit_handler->user_data = user_data;
1357                 output_commit_handler->owner_tid = syscall(SYS_gettid);
1358
1359                 ret = func_output->output_commit(private_output->output_backend, sync,
1360                                 output_commit_handler);
1361                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1362
1363                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
1364                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
1365                                         private_output->pipe, output_commit_handler, func, user_data);
1366         }
1367
1368         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
1369          * for tdm_layer_committed() function.
1370          */
1371         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1372                 if (!private_layer->waiting_buffer)
1373                         continue;
1374
1375                 if (private_layer->committed_buffer) {
1376                         tdm_layer_free_buffer(private_layer, private_layer->committed_buffer);
1377                         private_layer->committed_buffer = NULL;
1378                         if (tdm_debug_module & TDM_DEBUG_BUFFER)
1379                                 TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
1380                                                  private_layer, private_layer->waiting_buffer->buffer,
1381                                                  private_layer->committed_buffer);
1382                 }
1383
1384                 private_layer->committed_buffer = private_layer->waiting_buffer;
1385                 private_layer->waiting_buffer = NULL;
1386                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1387                         TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
1388                                          private_layer, private_layer->waiting_buffer,
1389                                          private_layer->committed_buffer->buffer);
1390         }
1391
1392         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1393                 TDM_WRN("dpms %s. Directly call commit handler instead of commit.", tdm_dpms_str(dpms_value));
1394                 if (func)
1395                         func(output, 0, 0, 0, user_data);
1396         }
1397
1398         return ret;
1399
1400 commit_failed:
1401         /* LCOV_EXCL_START */
1402         if (output_commit_handler) {
1403                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1404                 LIST_DEL(&output_commit_handler->link);
1405                 free(output_commit_handler);
1406         }
1407         return ret;
1408         /* LCOV_EXCL_STOP */
1409 }
1410
1411 EXTERN tdm_error
1412 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
1413                                   void *user_data)
1414 {
1415         tdm_private_layer *private_layer = NULL;
1416
1417         OUTPUT_FUNC_ENTRY();
1418
1419         _pthread_mutex_lock(&private_display->lock);
1420
1421         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE)
1422                 private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
1423         else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1424                 TDM_ERR("Can't supported. Use tdm_layer_commit");
1425                 _pthread_mutex_unlock(&private_display->lock);
1426                 return TDM_ERROR_BAD_REQUEST;
1427         }
1428
1429         if (private_output->commit_per_vblank) {
1430                 TDM_ERR("Use tdm_layer_commit");
1431                 _pthread_mutex_unlock(&private_display->lock);
1432                 return TDM_ERROR_BAD_REQUEST;
1433         }
1434
1435         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1436                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
1437                                 tdm_dpms_str(private_output->current_dpms_value));
1438                 _pthread_mutex_unlock(&private_display->lock);
1439                 return TDM_ERROR_DPMS_OFF;
1440         }
1441
1442         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1443                 TDM_INFO("output(%d) commit", private_output->pipe);
1444
1445         /* apply the pending data of all layers */
1446         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1447                 tdm_layer_commit_pending_data(private_layer);
1448         }
1449
1450         ret = tdm_output_commit_internal(output, sync, func, user_data);
1451
1452         _pthread_mutex_unlock(&private_display->lock);
1453
1454         return ret;
1455 }
1456
1457 EXTERN tdm_error
1458 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
1459 {
1460         tdm_private_module *private_module;
1461         tdm_func_output *func_output;
1462         OUTPUT_FUNC_ENTRY();
1463
1464         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1465
1466         _pthread_mutex_lock(&private_display->lock);
1467
1468         private_module = private_output->private_module;
1469         func_output = &private_module->func_output;
1470
1471         if (!func_output->output_set_mode) {
1472                 /* LCOV_EXCL_START */
1473                 _pthread_mutex_unlock(&private_display->lock);
1474                 TDM_WRN("not implemented!!");
1475                 return TDM_ERROR_NOT_IMPLEMENTED;
1476                 /* LCOV_EXCL_STOP */
1477         }
1478
1479         ret = func_output->output_set_mode(private_output->output_backend, mode);
1480         if (ret == TDM_ERROR_NONE) {
1481                 private_output->current_mode = mode;
1482                 private_output->need_set_target_info = 1;
1483                 TDM_INFO("mode: %dx%d %dhz", mode->hdisplay, mode->vdisplay, mode->vrefresh);
1484         }
1485
1486         _pthread_mutex_unlock(&private_display->lock);
1487
1488         return ret;
1489 }
1490
1491 EXTERN tdm_error
1492 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
1493 {
1494         OUTPUT_FUNC_ENTRY();
1495
1496         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1497
1498         _pthread_mutex_lock(&private_display->lock);
1499
1500         *mode = private_output->current_mode;
1501
1502         _pthread_mutex_unlock(&private_display->lock);
1503
1504         return ret;
1505 }
1506
1507 EXTERN tdm_error
1508 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1509 {
1510         tdm_private_module *private_module;
1511         tdm_func_output *func_output;
1512         OUTPUT_FUNC_ENTRY();
1513
1514         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1515                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1516                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1517                         return TDM_ERROR_BAD_REQUEST;
1518                 }
1519
1520                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1521                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1522                                         private_output->pipe, tdm_dpms_str(dpms_value));
1523                         return TDM_ERROR_BAD_REQUEST;
1524                 }
1525         }
1526
1527         _pthread_mutex_lock(&private_display->lock);
1528
1529         if (private_output->waiting_dpms_change) {
1530                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1531                 _pthread_mutex_unlock(&private_display->lock);
1532                 return TDM_ERROR_BAD_REQUEST;
1533         }
1534
1535         private_module = private_output->private_module;
1536         func_output = &private_module->func_output;
1537
1538         TDM_INFO("output(%d) dpms '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1539
1540         if (func_output->output_set_dpms)
1541                 ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1542         else {
1543                 /* LCOV_EXCL_START */
1544                 ret = TDM_ERROR_NONE;
1545                 TDM_WRN("not implemented!!");
1546                 goto done;
1547                 /* LCOV_EXCL_STOP */
1548         }
1549
1550 done:
1551         if (ret == TDM_ERROR_NONE) {
1552                 if (private_output->current_dpms_value != dpms_value) {
1553                         private_output->current_dpms_value = dpms_value;
1554                         _tdm_output_call_thread_cb_dpms(private_output, dpms_value);
1555                 }
1556                 TDM_INFO("output(%d) dpms '%s' done", private_output->pipe, tdm_dpms_str(dpms_value));
1557         } else {
1558                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1559
1560                 /* update current_dpms_value forcely */
1561                 tdm_output_get_dpms_internal(output, &temp);
1562
1563                 TDM_ERR("output(%d) set_dpms failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1564         }
1565
1566         _pthread_mutex_unlock(&private_display->lock);
1567
1568         return ret;
1569 }
1570
1571 /* LCOV_EXCL_START */
1572 EXTERN tdm_error
1573 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
1574 {
1575         tdm_private_module *private_module;
1576         tdm_func_output *func_output;
1577         OUTPUT_FUNC_ENTRY();
1578
1579         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_ASYNC_DPMS)) {
1580                 TDM_ERR("output doesn't support the asynchronous DPMS control!");
1581                 return TDM_ERROR_BAD_REQUEST;
1582         }
1583
1584         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1585                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1586                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1587                         return TDM_ERROR_BAD_REQUEST;
1588                 }
1589
1590                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1591                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1592                                         private_output->pipe, tdm_dpms_str(dpms_value));
1593                         return TDM_ERROR_BAD_REQUEST;
1594                 }
1595         }
1596
1597         _pthread_mutex_lock(&private_display->lock);
1598
1599         if (private_output->waiting_dpms_change) {
1600                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1601                 _pthread_mutex_unlock(&private_display->lock);
1602                 return TDM_ERROR_BAD_REQUEST;
1603         }
1604
1605         private_module = private_output->private_module;
1606         func_output = &private_module->func_output;
1607         if (!func_output->output_set_dpms_handler) {
1608                 TDM_WRN("not implemented: output_set_dpms_handler");
1609                 _pthread_mutex_unlock(&private_display->lock);
1610                 return TDM_ERROR_NOT_IMPLEMENTED;
1611         }
1612
1613         if (!func_output->output_set_dpms_async) {
1614                 TDM_WRN("not implemented: output_set_dpms_async");
1615                 _pthread_mutex_unlock(&private_display->lock);
1616                 return TDM_ERROR_NOT_IMPLEMENTED;
1617         }
1618
1619         if (!private_output->regist_dpms_cb) {
1620                 private_output->regist_dpms_cb = 1;
1621                 ret = func_output->output_set_dpms_handler(private_output->output_backend,
1622                                 tdm_output_cb_dpms, private_output);
1623                 if (ret != TDM_ERROR_NONE) {
1624                         _pthread_mutex_unlock(&private_display->lock);
1625                         TDM_ERR("Can't set the dpms handler!!");
1626                         return ret;
1627                 }
1628         }
1629
1630         TDM_INFO("output(%d) dpms async '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1631
1632         ret = func_output->output_set_dpms_async(private_output->output_backend, dpms_value);
1633
1634         if (ret == TDM_ERROR_NONE) {
1635                 private_output->waiting_dpms_change = 1;
1636                 TDM_INFO("output(%d) dpms async '%s' waiting", private_output->pipe, tdm_dpms_str(dpms_value));
1637         } else {
1638                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1639
1640                 /* update current_dpms_value forcely */
1641                 tdm_output_get_dpms_internal(output, &temp);
1642
1643                 TDM_ERR("output(%d) set_dpms_async failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1644         }
1645
1646         _pthread_mutex_unlock(&private_display->lock);
1647
1648         return ret;
1649 }
1650 /* LCOV_EXCL_STOP */
1651
1652 INTERN tdm_error
1653 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1654 {
1655         tdm_private_output *private_output;
1656         tdm_private_module *private_module;
1657         tdm_func_output *func_output;
1658         tdm_error ret = TDM_ERROR_NONE;
1659
1660         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
1661
1662         private_output = (tdm_private_output*)output;
1663
1664         /* TODO: this is ugly. But before calling backend's output_get_dpms(), we have
1665          * to check if all backends's DPMS operation has no problem. In future, we'd
1666          * better use new env instead of using commit_per_vblank variable to distinguish
1667          * whether we use the stored value or backend's output_get_dpms.
1668          */
1669         if (!private_output->commit_per_vblank) {
1670                 *dpms_value = private_output->current_dpms_value;
1671                 return TDM_ERROR_NONE;
1672         }
1673
1674         private_module = private_output->private_module;
1675         func_output = &private_module->func_output;
1676
1677         if (!func_output->output_get_dpms) {
1678                 /* LCOV_EXCL_START */
1679                 *dpms_value = private_output->current_dpms_value;
1680                 TDM_WRN("not implemented!!");
1681                 return TDM_ERROR_NONE;
1682                 /* LCOV_EXCL_STOP */
1683         }
1684
1685         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1686         if (ret != TDM_ERROR_NONE) {
1687                 /* LCOV_EXCL_START */
1688                 TDM_ERR("output_get_dpms failed");
1689                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1690                 /* LCOV_EXCL_STOP */
1691         }
1692
1693         /* checking with backend's value */
1694         if (*dpms_value != private_output->current_dpms_value) {
1695                 TDM_ERR("output(%d) dpms changed suddenly: %s -> %s",
1696                                 private_output->pipe, tdm_dpms_str(private_output->current_dpms_value),
1697                                 tdm_dpms_str(*dpms_value));
1698                 private_output->current_dpms_value = *dpms_value;
1699                 _tdm_output_call_thread_cb_dpms(private_output, *dpms_value);
1700         }
1701
1702         return ret;
1703 }
1704
1705 EXTERN tdm_error
1706 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1707 {
1708         OUTPUT_FUNC_ENTRY();
1709
1710         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1711
1712         _pthread_mutex_lock(&private_display->lock);
1713
1714         ret = tdm_output_get_dpms_internal(output, dpms_value);
1715
1716         _pthread_mutex_unlock(&private_display->lock);
1717
1718         return ret;
1719 }
1720
1721 EXTERN tdm_error
1722 tdm_output_has_capture_capability(tdm_output *output, unsigned int *has_capability)
1723 {
1724         tdm_private_module *private_module;
1725
1726         OUTPUT_FUNC_ENTRY();
1727
1728         TDM_RETURN_VAL_IF_FAIL(has_capability != NULL, TDM_ERROR_INVALID_PARAMETER);
1729
1730         _pthread_mutex_lock(&private_display->lock);
1731
1732         private_module = private_output->private_module;
1733
1734         if (!(private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
1735                 *has_capability = 0;
1736         else if (!(private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT))
1737                 *has_capability = 0;
1738         else
1739                 *has_capability = 1;
1740
1741         _pthread_mutex_unlock(&private_display->lock);
1742
1743         return ret;
1744 }
1745
1746 EXTERN tdm_capture *
1747 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1748 {
1749         tdm_capture *capture = NULL;
1750
1751         OUTPUT_FUNC_ENTRY_ERROR();
1752
1753         _pthread_mutex_lock(&private_display->lock);
1754
1755         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1756
1757         _pthread_mutex_unlock(&private_display->lock);
1758
1759         return capture;
1760 }
1761
1762 EXTERN tdm_hwc *
1763 tdm_output_get_hwc(tdm_output *output, tdm_error *error)
1764 {
1765         tdm_private_hwc *private_hwc = NULL;
1766
1767         OUTPUT_FUNC_ENTRY_ERROR();
1768
1769         _pthread_mutex_lock(&private_display->lock);
1770
1771         private_hwc = private_output->private_hwc;
1772         if (!private_hwc) {
1773                 if (error)
1774                         *error = TDM_ERROR_BAD_REQUEST;
1775                 _pthread_mutex_unlock(&private_display->lock);
1776                 return NULL;
1777         }
1778
1779         if (error)
1780                 *error = TDM_ERROR_NONE;
1781
1782         _pthread_mutex_unlock(&private_display->lock);
1783
1784         return private_hwc;
1785 }
1786
1787 INTERN tdm_error
1788 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
1789 {
1790         if (!private_output)
1791                 return TDM_ERROR_INVALID_PARAMETER;
1792
1793         if (mode < 0 || mode > 2)
1794                 return TDM_ERROR_INVALID_PARAMETER;
1795
1796         private_output->commit_per_vblank = mode;
1797
1798         if (private_output->commit_per_vblank == 0)
1799                 TDM_INFO("commit per vblank: disable");
1800         else if (private_output->commit_per_vblank == 1)
1801                 TDM_INFO("commit per vblank: enable (1 layer)");
1802         else if (private_output->commit_per_vblank == 2)
1803                 TDM_INFO("commit per vblank: enable (previous commit)");
1804
1805         return TDM_ERROR_NONE;
1806 }
1807
1808 INTERN tdm_voutput *
1809 tdm_voutput_create(tdm_display *dpy, const char *name, tdm_error *error)
1810 {
1811         tdm_private_module *private_module = NULL;
1812         tdm_private_module *current_module = NULL;
1813         tdm_private_voutput *private_voutput = NULL;
1814         tdm_private_output *private_output = NULL;
1815         tdm_func_display *func_display = NULL;
1816         tdm_func_voutput *func_voutput = NULL;
1817         tdm_voutput *voutput_backend = NULL;
1818         tdm_output *output_backend = NULL;
1819         int output_find = 0;
1820         tdm_private_display *private_display;
1821         tdm_error ret = TDM_ERROR_NONE;
1822
1823         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(dpy != NULL, TDM_ERROR_INVALID_PARAMETER, NULL);
1824         private_display = (tdm_private_display*)dpy;
1825         private_module = private_display->virtual_module;
1826         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(private_module != NULL, TDM_ERROR_BAD_MODULE, NULL);
1827
1828         _pthread_mutex_lock(&private_display->lock);
1829
1830         if (error)
1831                 *error = TDM_ERROR_NONE;
1832
1833         private_voutput = calloc(1, sizeof(tdm_private_voutput));
1834         if (!private_voutput) {
1835                 *error = TDM_ERROR_OUT_OF_MEMORY;
1836                 _pthread_mutex_unlock(&private_display->lock);
1837                 return NULL;
1838         }
1839
1840         func_display = &private_module->func_display;
1841         func_voutput = &private_module->func_voutput;
1842         current_module = private_display->current_module;
1843         private_display->current_module = private_module;
1844
1845         voutput_backend = func_display->voutput_create(private_module->bdata, name, &ret);
1846
1847         if (voutput_backend == NULL || ret != TDM_ERROR_NONE) {
1848                 TDM_ERR("voutput_create fail");
1849                 free(private_voutput);
1850                 *error = ret;
1851                 private_display->current_module = current_module;
1852                 _pthread_mutex_unlock(&private_display->lock);
1853                 return NULL;
1854         }
1855         private_voutput->voutput_backend = voutput_backend;
1856         private_voutput->private_display = private_display;
1857         private_voutput->private_module = private_module;
1858         LIST_INITHEAD(&private_voutput->voutput_commit_handler_list);
1859
1860         output_backend = func_voutput->voutput_get_output(voutput_backend, &ret);
1861         if (output_backend == NULL || ret != TDM_ERROR_NONE) {
1862                 TDM_ERR("voutput_get_output fail");
1863                 free(private_voutput);
1864                 *error = ret;
1865                 if (func_voutput->voutput_destroy)
1866                         func_voutput->voutput_destroy(voutput_backend);
1867                 else
1868                         TDM_ERR("no destroy function");
1869                 private_display->current_module = current_module;
1870                 _pthread_mutex_unlock(&private_display->lock);
1871                 return NULL;
1872         }
1873
1874         ret = tdm_display_update_output(private_display->current_module, output_backend);
1875         if (ret != TDM_ERROR_NONE) {
1876                 TDM_ERR("tdm_display_update_output fail");
1877                 free(private_voutput);
1878                 if (func_voutput->voutput_destroy)
1879                         func_voutput->voutput_destroy(voutput_backend);
1880                 else
1881                         TDM_ERR("no destroy function");
1882                 *error = ret;
1883                 private_display->current_module = current_module;
1884                 _pthread_mutex_unlock(&private_display->lock);
1885                 return NULL;
1886         }
1887
1888         LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
1889                 if (private_output->output_backend == output_backend) {
1890                         output_find = 1;
1891                         break;
1892                 }
1893         }
1894
1895         if (output_find != 1) {
1896                 private_output = NULL;
1897                 free(private_voutput);
1898                 if (func_voutput->voutput_destroy)
1899                         func_voutput->voutput_destroy(voutput_backend);
1900                 else
1901                         TDM_ERR("no destroy function");
1902         } else {
1903                 strncpy(private_voutput->name, name, TDM_NAME_LEN);
1904                 strncpy(private_output->name, name, TDM_NAME_LEN);
1905
1906                 private_voutput->private_output = private_output;
1907                 private_output->private_voutput = private_voutput;
1908
1909                 /* do not use vblank */
1910                 tdm_output_choose_commit_per_vblank_mode(private_output, 0);
1911
1912                 LIST_ADDTAIL(&private_voutput->link, &private_module->voutput_list);
1913         }
1914
1915         private_display->current_module = current_module;
1916
1917         _pthread_mutex_unlock(&private_display->lock);
1918
1919         return private_voutput;
1920 }
1921
1922 INTERN tdm_error
1923 tdm_voutput_destroy(tdm_voutput *voutput)
1924 {
1925         tdm_private_module *private_module = NULL;
1926         tdm_voutput *voutput_backend = NULL;
1927         tdm_func_voutput *func_voutput = NULL;
1928
1929         tdm_private_display *private_display;
1930         tdm_private_voutput *private_voutput;
1931         tdm_private_output *private_output;
1932         tdm_error ret = TDM_ERROR_NONE;
1933         TDM_RETURN_VAL_IF_FAIL(voutput != NULL, TDM_ERROR_INVALID_PARAMETER);
1934         private_voutput = (tdm_private_voutput*)voutput;
1935         private_display = private_voutput->private_display;
1936         private_module = private_voutput->private_module;
1937         TDM_RETURN_VAL_IF_FAIL(private_module == private_display->virtual_module, TDM_ERROR_BAD_MODULE);
1938
1939         _pthread_mutex_lock(&private_display->lock);
1940
1941         func_voutput = &private_module->func_voutput;
1942         voutput_backend = private_voutput->voutput_backend;
1943         private_output = private_voutput->private_output;
1944         tdm_display_destroy_private_output(private_output);
1945         LIST_DEL(&private_voutput->link);
1946         free(private_voutput);
1947         if (func_voutput->voutput_destroy)
1948                 ret = func_voutput->voutput_destroy(voutput_backend);
1949
1950         _pthread_mutex_unlock(&private_display->lock);
1951
1952         return ret;
1953 }
1954
1955 INTERN tdm_error
1956 tdm_voutput_set_available_mode(tdm_voutput *voutput, const tdm_output_mode *modes, int count)
1957 {
1958         tdm_private_display *private_display;
1959         tdm_private_module *private_module = NULL;
1960         tdm_private_voutput *private_voutput;
1961         tdm_func_voutput *func_voutput = NULL;
1962         tdm_error ret = TDM_ERROR_NONE;
1963
1964         TDM_RETURN_VAL_IF_FAIL(voutput != NULL, TDM_ERROR_INVALID_PARAMETER);
1965         TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
1966         TDM_RETURN_VAL_IF_FAIL(count != 0, TDM_ERROR_INVALID_PARAMETER);
1967
1968         private_voutput = (tdm_private_voutput*)voutput;
1969         private_display = private_voutput->private_display;
1970         private_module = private_voutput->private_module;
1971         TDM_RETURN_VAL_IF_FAIL(private_module == private_display->virtual_module, TDM_ERROR_BAD_MODULE);
1972
1973         _pthread_mutex_lock(&private_display->lock);
1974
1975         func_voutput = &private_module->func_voutput;
1976         if (func_voutput->voutput_set_available_mode)
1977                 ret = func_voutput->voutput_set_available_mode(private_voutput->voutput_backend, modes, count);
1978         else
1979                 ret = TDM_ERROR_NOT_IMPLEMENTED;
1980
1981         _pthread_mutex_unlock(&private_display->lock);
1982
1983         return ret;
1984 }
1985
1986 INTERN tdm_error
1987 tdm_voutput_set_physical_size(tdm_voutput *voutput, unsigned int mmwidth, unsigned int mmheight)
1988 {
1989         tdm_private_display *private_display;
1990         tdm_private_module *private_module = NULL;
1991         tdm_private_voutput *private_voutput;
1992         tdm_func_voutput *func_voutput = NULL;
1993         tdm_error ret = TDM_ERROR_NONE;
1994
1995         TDM_RETURN_VAL_IF_FAIL(voutput != NULL, TDM_ERROR_INVALID_PARAMETER);
1996         TDM_RETURN_VAL_IF_FAIL(mmwidth != 0, TDM_ERROR_INVALID_PARAMETER);
1997         TDM_RETURN_VAL_IF_FAIL(mmheight != 0, TDM_ERROR_INVALID_PARAMETER);
1998
1999         private_voutput = (tdm_private_voutput*)voutput;
2000         private_display = private_voutput->private_display;
2001         private_module = private_voutput->private_module;
2002         TDM_RETURN_VAL_IF_FAIL(private_module == private_display->virtual_module, TDM_ERROR_BAD_MODULE);
2003
2004         _pthread_mutex_lock(&private_display->lock);
2005
2006         func_voutput = &private_module->func_voutput;
2007         if (func_voutput->voutput_set_physical_size)
2008                 ret = func_voutput->voutput_set_physical_size(private_voutput->voutput_backend, mmwidth, mmheight);
2009         else
2010                 ret = TDM_ERROR_NOT_IMPLEMENTED;
2011
2012         _pthread_mutex_unlock(&private_display->lock);
2013
2014         return ret;
2015 }
2016
2017 INTERN tdm_error
2018 tdm_voutput_connect(tdm_voutput *voutput)
2019 {
2020         tdm_private_display *private_display;
2021         tdm_private_module *private_module = NULL;
2022         tdm_private_voutput *private_voutput;
2023         tdm_func_voutput *func_voutput = NULL;
2024         tdm_error ret = TDM_ERROR_NONE;
2025
2026         TDM_RETURN_VAL_IF_FAIL(voutput != NULL, TDM_ERROR_INVALID_PARAMETER);
2027
2028         private_voutput = (tdm_private_voutput*)voutput;
2029         private_display = private_voutput->private_display;
2030         private_module = private_voutput->private_module;
2031         TDM_RETURN_VAL_IF_FAIL(private_module == private_display->virtual_module, TDM_ERROR_BAD_MODULE);
2032
2033         _pthread_mutex_lock(&private_display->lock);
2034
2035         func_voutput = &private_module->func_voutput;
2036         if (func_voutput->voutput_connect)
2037                 ret = func_voutput->voutput_connect(private_voutput->voutput_backend);
2038         else
2039                 ret = TDM_ERROR_NOT_IMPLEMENTED;
2040
2041         _pthread_mutex_unlock(&private_display->lock);
2042
2043         return ret;
2044 }
2045
2046 INTERN tdm_error
2047 tdm_voutput_disconnect(tdm_voutput *voutput)
2048 {
2049         tdm_private_display *private_display;
2050         tdm_private_module *private_module = NULL;
2051         tdm_private_voutput *private_voutput;
2052         tdm_func_voutput *func_voutput = NULL;
2053         tdm_error ret = TDM_ERROR_NONE;
2054
2055         TDM_RETURN_VAL_IF_FAIL(voutput != NULL, TDM_ERROR_INVALID_PARAMETER);
2056
2057         private_voutput = (tdm_private_voutput*)voutput;
2058         private_display = private_voutput->private_display;
2059         private_module = private_voutput->private_module;
2060         TDM_RETURN_VAL_IF_FAIL(private_module == private_display->virtual_module, TDM_ERROR_BAD_MODULE);
2061
2062         _pthread_mutex_lock(&private_display->lock);
2063
2064         func_voutput = &private_module->func_voutput;
2065         if (func_voutput->voutput_disconnect)
2066                 ret = func_voutput->voutput_disconnect(private_voutput->voutput_backend);
2067         else
2068                 ret = TDM_ERROR_NOT_IMPLEMENTED;
2069
2070         _pthread_mutex_unlock(&private_display->lock);
2071
2072         return ret;
2073 }