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 static tdm_private_hwc_window *
 131 _tdm_output_find_private_hwc_window(tdm_private_output *private_output,
 132                                                                 tdm_hwc_window *hwc_window_backend)
 133 {
 134         tdm_private_hwc_window *private_hwc_window = NULL;
 135
 136         LIST_FOR_EACH_ENTRY(private_hwc_window, &private_output->hwc_window_list, link) {
 137                 if (private_hwc_window->hwc_window_backend == hwc_window_backend)
 138                         return private_hwc_window;
 139         }
 140
 141         return NULL;
 142 }
 143
 144 INTERN tdm_error
 145 tdm_output_init(tdm_private_display *private_display)
 146 {
 147         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_COMMIT, tdm_display_find_output_stamp);
 148         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_VBLANK, tdm_display_find_output_stamp);
 149         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_STATUS, tdm_display_find_output_stamp);
 150         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_DPMS, tdm_display_find_output_stamp);
 151
 152
 153         return TDM_ERROR_NONE;
 154 }
 155
 156 EXTERN tdm_module *
 157 tdm_output_get_backend_module(tdm_output *output, tdm_error *error)
 158 {
 159         tdm_private_module *private_module;
 160
 161         OUTPUT_FUNC_ENTRY_ERROR();
 162
 163         _pthread_mutex_lock(&private_display->lock);
 164
 165         private_module = private_output->private_module;
 166
 167         if (error)
 168                 *error = TDM_ERROR_NONE;
 169
 170         _pthread_mutex_unlock(&private_display->lock);
 171
 172         return private_module;
 173 }
 174
 175 EXTERN tdm_error
 176 tdm_output_get_model_info(tdm_output *output, const char **maker,
 177                                                   const char **model, const char **name)
 178 {
 179         OUTPUT_FUNC_ENTRY();
 180
 181         _pthread_mutex_lock(&private_display->lock);
 182
 183         if (maker)
 184                 *maker = private_output->caps.maker;
 185         if (model)
 186                 *model = private_output->caps.model;
 187         if (name)
 188                 *name = private_output->caps.name;
 189
 190         _pthread_mutex_unlock(&private_display->lock);
 191
 192         return ret;
 193 }
 194
 195 EXTERN tdm_error
 196 tdm_output_get_capabilities(tdm_output *output, tdm_output_capability *capabilities)
 197 {
 198         OUTPUT_FUNC_ENTRY();
 199
 200         TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 201
 202         _pthread_mutex_lock(&private_display->lock);
 203
 204         *capabilities = private_output->caps.capabilities;
 205
 206         _pthread_mutex_unlock(&private_display->lock);
 207
 208         return ret;
 209 }
 210
 211 EXTERN tdm_error
 212 tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status)
 213 {
 214         OUTPUT_FUNC_ENTRY();
 215
 216         TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 217
 218         _pthread_mutex_lock(&private_display->lock);
 219
 220         *status = private_output->caps.status;
 221
 222         _pthread_mutex_unlock(&private_display->lock);
 223
 224         return ret;
 225 }
 226
 227 INTERN void
 228 tdm_output_thread_cb_change(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 229 {
 230         tdm_private_output *private_output = object;
 231         tdm_private_output_change_handler *change_handler = user_data;
 232         tdm_output_change_type type = TDM_OUTPUT_CHANGE_CONNECTION;
 233         tdm_value value = {.u32 = 0 };
 234
 235         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 236
 237         assert(change_handler->owner_tid == syscall(SYS_gettid));
 238
 239         if (cb_base->type == TDM_THREAD_CB_OUTPUT_STATUS) {
 240                 tdm_thread_cb_output_status *output_status = (tdm_thread_cb_output_status *)cb_base;
 241                 type = TDM_OUTPUT_CHANGE_CONNECTION;
 242                 value.u32 = output_status->status;
 243         } else if (cb_base->type == TDM_THREAD_CB_OUTPUT_DPMS) {
 244                 tdm_thread_cb_output_dpms *output_dpms = (tdm_thread_cb_output_dpms *)cb_base;
 245                 type = TDM_OUTPUT_CHANGE_DPMS;
 246                 value.u32 = output_dpms->dpms;
 247         } else {
 248                 TDM_NEVER_GET_HERE();
 249                 return;
 250         }
 251
 252         _pthread_mutex_unlock(&private_display->lock);
 253         change_handler->func(private_output, type, value, change_handler->user_data);
 254         _pthread_mutex_lock(&private_display->lock);
 255
 256 }
 257
 258 static tdm_error
 259 _tdm_output_call_thread_cb_status(tdm_private_output *private_output, tdm_output_conn_status status)
 260 {
 261         tdm_thread_cb_output_status output_status;
 262         pid_t caller_tid = syscall(SYS_gettid);
 263         tdm_error ret;
 264
 265         memset(&output_status, 0, sizeof output_status);
 266         output_status.base.type = TDM_THREAD_CB_OUTPUT_STATUS;
 267         output_status.base.length = sizeof output_status;
 268         output_status.base.object_stamp = private_output->stamp;
 269         output_status.base.data = NULL;
 270         if (tdm_thread_in_display_thread(caller_tid))
 271                 output_status.base.sync = 0;
 272         else
 273                 output_status.base.sync = 1;
 274         output_status.status = status;
 275
 276         ret = tdm_thread_cb_call(private_output, &output_status.base, 1);
 277         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 278
 279         return TDM_ERROR_NONE;
 280 }
 281
 282 static tdm_error
 283 _tdm_output_call_thread_cb_dpms(tdm_private_output *private_output, tdm_output_dpms dpms)
 284 {
 285         tdm_thread_cb_output_dpms output_dpms;
 286         tdm_error ret;
 287
 288         memset(&output_dpms, 0, sizeof output_dpms);
 289         output_dpms.base.type = TDM_THREAD_CB_OUTPUT_DPMS;
 290         output_dpms.base.length = sizeof output_dpms;
 291         output_dpms.base.object_stamp = private_output->stamp;
 292         output_dpms.base.data = NULL;
 293         output_dpms.base.sync = 0;
 294         output_dpms.dpms = dpms;
 295
 296         ret = tdm_thread_cb_call(private_output, &output_dpms.base, 1);
 297         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 298
 299         return TDM_ERROR_NONE;
 300 }
 301
 302 INTERN void
 303 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status, void *user_data)
 304 {
 305         tdm_private_output *private_output = user_data;
 306         tdm_error ret;
 307
 308         TDM_RETURN_IF_FAIL(private_output);
 309
 310         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(status));
 311
 312         if ((private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED && status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) ||
 313                 (private_output->caps.status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED && status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)) {
 314                 ret = tdm_display_update_output(private_output->private_module, output_backend, private_output->pipe, 1);
 315                 TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 316         } else {
 317                 private_output->caps.status = status;
 318         }
 319
 320         ret = _tdm_output_call_thread_cb_status(private_output, status);
 321         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 322 }
 323
 324 INTERN void
 325 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms, void *user_data)
 326 {
 327         tdm_private_output *private_output = user_data;
 328         tdm_error ret;
 329
 330         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(dpms));
 331
 332         private_output->current_dpms_value = dpms;
 333         private_output->waiting_dpms_change = 0;
 334         TDM_INFO("output(%d) dpms async '%s' done", private_output->pipe, tdm_dpms_str(dpms));
 335
 336         ret = _tdm_output_call_thread_cb_dpms(private_output, dpms);
 337         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 338 }
 339
 340 EXTERN tdm_error
 341 tdm_output_add_change_handler(tdm_output *output,
 342                                                           tdm_output_change_handler func,
 343                                                           void *user_data)
 344 {
 345         tdm_private_output_change_handler *change_handler = NULL;
 346         OUTPUT_FUNC_ENTRY();
 347
 348         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 349
 350         _pthread_mutex_lock(&private_display->lock);
 351
 352         LIST_FOR_EACH_ENTRY(change_handler, &private_output->change_handler_list, link) {
 353                 if (change_handler->func == func && change_handler->user_data == user_data) {
 354                         TDM_ERR("can't add twice");
 355                         _pthread_mutex_unlock(&private_display->lock);
 356                         return TDM_ERROR_BAD_REQUEST;
 357                 }
 358         }
 359
 360         change_handler = calloc(1, sizeof(tdm_private_output_change_handler));
 361         if (!change_handler) {
 362                 /* LCOV_EXCL_START */
 363                 TDM_ERR("failed: alloc memory");
 364                 _pthread_mutex_unlock(&private_display->lock);
 365                 return TDM_ERROR_OUT_OF_MEMORY;
 366                 /* LCOV_EXCL_STOP */
 367         }
 368
 369         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 370         if (ret != TDM_ERROR_NONE) {
 371                 /* LCOV_EXCL_START */
 372                 TDM_ERR("tdm_thread_cb_add failed");
 373                 free(change_handler);
 374                 _pthread_mutex_unlock(&private_display->lock);
 375                 return TDM_ERROR_OPERATION_FAILED;
 376                 /* LCOV_EXCL_STOP */
 377         }
 378
 379         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, change_handler);
 380         if (ret != TDM_ERROR_NONE) {
 381                 /* LCOV_EXCL_START */
 382                 TDM_ERR("tdm_thread_cb_add failed");
 383                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 384                 free(change_handler);
 385                 _pthread_mutex_unlock(&private_display->lock);
 386                 return TDM_ERROR_OPERATION_FAILED;
 387                 /* LCOV_EXCL_STOP */
 388         }
 389
 390         change_handler->private_output = private_output;
 391         change_handler->func = func;
 392         change_handler->user_data = user_data;
 393         change_handler->owner_tid = syscall(SYS_gettid);
 394
 395         LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list);
 396
 397         _pthread_mutex_unlock(&private_display->lock);
 398
 399         return ret;
 400 }
 401
 402 EXTERN void
 403 tdm_output_remove_change_handler(tdm_output *output,
 404                                                                  tdm_output_change_handler func,
 405                                                                  void *user_data)
 406 {
 407         tdm_private_display *private_display;
 408         tdm_private_output *private_output;
 409         tdm_private_output_change_handler *change_handler = NULL, *hh = NULL;
 410
 411         TDM_RETURN_IF_FAIL(output != NULL);
 412         TDM_RETURN_IF_FAIL(func != NULL);
 413
 414         private_output = (tdm_private_output*)output;
 415         private_display = private_output->private_display;
 416
 417         _pthread_mutex_lock(&private_display->lock);
 418
 419         LIST_FOR_EACH_ENTRY_SAFE(change_handler, hh, &private_output->change_handler_list, link) {
 420                 if (change_handler->func != func || change_handler->user_data != user_data)
 421                         continue;
 422
 423                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 424                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, change_handler);
 425
 426                 LIST_DEL(&change_handler->link);
 427                 free(change_handler);
 428
 429                 _pthread_mutex_unlock(&private_display->lock);
 430
 431                 return;
 432         }
 433
 434         _pthread_mutex_unlock(&private_display->lock);
 435 }
 436
 437 EXTERN tdm_error
 438 tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
 439 {
 440         OUTPUT_FUNC_ENTRY();
 441
 442         TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
 443
 444         _pthread_mutex_lock(&private_display->lock);
 445
 446         *type = private_output->caps.type;
 447
 448         _pthread_mutex_unlock(&private_display->lock);
 449
 450         return ret;
 451 }
 452
 453 EXTERN tdm_error
 454 tdm_output_get_layer_count(tdm_output *output, int *count)
 455 {
 456         tdm_private_layer *private_layer = NULL;
 457
 458         OUTPUT_FUNC_ENTRY();
 459
 460         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 461
 462         _pthread_mutex_lock(&private_display->lock);
 463
 464         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 465                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 466                 *count = 0;
 467                 _pthread_mutex_unlock(&private_display->lock);
 468                 return TDM_ERROR_BAD_REQUEST;
 469         }
 470
 471         *count = 0;
 472         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
 473         (*count)++;
 474         if (*count == 0) {
 475                 _pthread_mutex_unlock(&private_display->lock);
 476                 return TDM_ERROR_NONE;
 477         }
 478
 479         _pthread_mutex_unlock(&private_display->lock);
 480
 481         return ret;
 482 }
 483
 484
 485 EXTERN tdm_layer *
 486 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 487 {
 488         tdm_private_layer *private_layer = NULL;
 489
 490         OUTPUT_FUNC_ENTRY_ERROR();
 491
 492         _pthread_mutex_lock(&private_display->lock);
 493
 494         if (error)
 495                 *error = TDM_ERROR_NONE;
 496
 497         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 498                 _pthread_mutex_unlock(&private_display->lock);
 499                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 500                 if (error)
 501                         *error = TDM_ERROR_BAD_REQUEST;
 502                 return NULL;
 503         }
 504
 505         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 506                 if (private_layer->index == index) {
 507                         _pthread_mutex_unlock(&private_display->lock);
 508                         return private_layer;
 509                 }
 510         }
 511
 512         _pthread_mutex_unlock(&private_display->lock);
 513
 514         return NULL;
 515 }
 516
 517 EXTERN tdm_error
 518 tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
 519                                                                         int *count)
 520 {
 521         OUTPUT_FUNC_ENTRY();
 522
 523         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 524         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 525
 526         _pthread_mutex_lock(&private_display->lock);
 527
 528         *props = (const tdm_prop *)private_output->caps.props;
 529         *count = private_output->caps.prop_count;
 530
 531         _pthread_mutex_unlock(&private_display->lock);
 532
 533         return ret;
 534 }
 535
 536 EXTERN tdm_error
 537 tdm_output_get_available_modes(tdm_output *output,
 538                                                            const tdm_output_mode **modes, int *count)
 539 {
 540         OUTPUT_FUNC_ENTRY();
 541
 542         TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
 543         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 544
 545         _pthread_mutex_lock(&private_display->lock);
 546
 547         *modes = (const tdm_output_mode *)private_output->caps.modes;
 548         *count = private_output->caps.mode_count;
 549
 550         _pthread_mutex_unlock(&private_display->lock);
 551
 552         return ret;
 553 }
 554
 555 EXTERN tdm_error
 556 tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
 557                                                           int *max_w, int *max_h, int *preferred_align)
 558 {
 559         OUTPUT_FUNC_ENTRY();
 560
 561         _pthread_mutex_lock(&private_display->lock);
 562
 563         if (min_w)
 564                 *min_w = TDM_FRONT_VALUE(private_output->caps.min_w);
 565         if (min_h)
 566                 *min_h = TDM_FRONT_VALUE(private_output->caps.min_h);
 567         if (max_w)
 568                 *max_w = TDM_FRONT_VALUE(private_output->caps.max_w);
 569         if (max_h)
 570                 *max_h = TDM_FRONT_VALUE(private_output->caps.max_h);
 571         if (preferred_align)
 572                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.preferred_align);
 573
 574         _pthread_mutex_unlock(&private_display->lock);
 575
 576         return ret;
 577 }
 578
 579 EXTERN tdm_error
 580 tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
 581                                                                          int *max_w, int *max_h, int *preferred_align)
 582 {
 583         OUTPUT_FUNC_ENTRY();
 584
 585         _pthread_mutex_lock(&private_display->lock);
 586
 587         if (!tdm_module_check_abi(private_output->private_module, 1, 5)) {
 588                 _pthread_mutex_unlock(&private_display->lock);
 589                 return TDM_ERROR_BAD_REQUEST;
 590         }
 591
 592         if (min_w)
 593                 *min_w = TDM_FRONT_VALUE(private_output->caps.cursor_min_w);
 594         if (min_h)
 595                 *min_h = TDM_FRONT_VALUE(private_output->caps.cursor_min_h);
 596         if (max_w)
 597                 *max_w = TDM_FRONT_VALUE(private_output->caps.cursor_max_w);
 598         if (max_h)
 599                 *max_h = TDM_FRONT_VALUE(private_output->caps.cursor_max_h);
 600         if (preferred_align)
 601                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.cursor_preferred_align);
 602
 603         _pthread_mutex_unlock(&private_display->lock);
 604
 605         return ret;
 606 }
 607
 608 EXTERN tdm_error
 609 tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
 610                                                          unsigned int *mmHeight)
 611 {
 612         OUTPUT_FUNC_ENTRY();
 613
 614         _pthread_mutex_lock(&private_display->lock);
 615
 616         if (mmWidth)
 617                 *mmWidth = private_output->caps.mmWidth;
 618         if (mmHeight)
 619                 *mmHeight = private_output->caps.mmHeight;
 620
 621         _pthread_mutex_unlock(&private_display->lock);
 622
 623         return ret;
 624 }
 625
 626 EXTERN tdm_error
 627 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
 628 {
 629         OUTPUT_FUNC_ENTRY();
 630         TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
 631
 632         _pthread_mutex_lock(&private_display->lock);
 633
 634         *subpixel = private_output->caps.subpixel;
 635
 636         _pthread_mutex_unlock(&private_display->lock);
 637
 638         return ret;
 639 }
 640
 641 EXTERN tdm_error
 642 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
 643 {
 644         OUTPUT_FUNC_ENTRY();
 645         TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
 646
 647         _pthread_mutex_lock(&private_display->lock);
 648
 649         *pipe = private_output->pipe;
 650
 651         _pthread_mutex_unlock(&private_display->lock);
 652
 653         return ret;
 654 }
 655
 656 EXTERN tdm_error
 657 tdm_output_get_primary_index(tdm_output *output, int *index)
 658 {
 659         tdm_private_layer *private_layer = NULL;
 660
 661         OUTPUT_FUNC_ENTRY();
 662         TDM_RETURN_VAL_IF_FAIL(index != NULL, TDM_ERROR_INVALID_PARAMETER);
 663
 664         _pthread_mutex_lock(&private_display->lock);
 665
 666         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 667                 if (private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_PRIMARY) {
 668                         *index = private_layer->index;
 669                         break;
 670                 }
 671         }
 672
 673         _pthread_mutex_unlock(&private_display->lock);
 674
 675         return ret;
 676 }
 677
 678 EXTERN tdm_error
 679 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
 680 {
 681         tdm_private_module *private_module;
 682         tdm_func_output *func_output;
 683         OUTPUT_FUNC_ENTRY();
 684
 685         _pthread_mutex_lock(&private_display->lock);
 686
 687         private_module = private_output->private_module;
 688         func_output = &private_module->func_output;
 689
 690         if (!func_output->output_set_property) {
 691                 /* LCOV_EXCL_START */
 692                 _pthread_mutex_unlock(&private_display->lock);
 693                 TDM_WRN("not implemented!!");
 694                 return TDM_ERROR_NOT_IMPLEMENTED;
 695                 /* LCOV_EXCL_STOP */
 696         }
 697
 698         ret = func_output->output_set_property(private_output->output_backend, id,
 699                                                                                    value);
 700
 701         _pthread_mutex_unlock(&private_display->lock);
 702
 703         return ret;
 704 }
 705
 706 EXTERN tdm_error
 707 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 708 {
 709         tdm_private_module *private_module;
 710         tdm_func_output *func_output;
 711         OUTPUT_FUNC_ENTRY();
 712
 713         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 714
 715         _pthread_mutex_lock(&private_display->lock);
 716
 717         private_module = private_output->private_module;
 718         func_output = &private_module->func_output;
 719
 720         if (!func_output->output_get_property) {
 721                 /* LCOV_EXCL_START */
 722                 _pthread_mutex_unlock(&private_display->lock);
 723                 TDM_WRN("not implemented!!");
 724                 return TDM_ERROR_NOT_IMPLEMENTED;
 725                 /* LCOV_EXCL_STOP */
 726         }
 727
 728         ret = func_output->output_get_property(private_output->output_backend, id,
 729                                                                                    value);
 730
 731         _pthread_mutex_unlock(&private_display->lock);
 732
 733         return ret;
 734 }
 735
 736 static void
 737 _tdm_output_thread_cb_vblank(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 738 {
 739         tdm_thread_cb_output_vblank *output_vblank = (tdm_thread_cb_output_vblank *)cb_base;
 740         tdm_private_output_vblank_handler *vblank_handler = output_vblank->base.data;
 741         tdm_private_output_vblank_handler *v = NULL, *vv = NULL;
 742         tdm_private_output *private_output = object;
 743         struct list_head clone_list;
 744         int interval, sync;
 745         pid_t tid = syscall(SYS_gettid);
 746
 747         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 748
 749         assert(vblank_handler->owner_tid == tid);
 750
 751         vblank_handler->sent_to_frontend = 0;
 752
 753         _tdm_output_vblank_timeout_update(private_output, 0);
 754
 755         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 756
 757         interval = vblank_handler->interval;
 758         sync = vblank_handler->sync;
 759
 760         LIST_INITHEAD(&clone_list);
 761
 762         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 763                 if (v->interval != interval || v->sync != sync || v->owner_tid != tid)
 764                         continue;
 765
 766                 LIST_DEL(&v->link);
 767                 LIST_ADDTAIL(&v->link, &clone_list);
 768         }
 769
 770         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 771                 TDM_INFO("----------------------------------------- output(%d) got vblank", private_output->pipe);
 772
 773         _pthread_mutex_unlock(&private_display->lock);
 774         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &clone_list, link) {
 775                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 776                         TDM_INFO("handler(%p)", v);
 777
 778                 LIST_DEL(&v->link);
 779
 780                 if (v->func)
 781                         v->func(v->private_output,
 782                                         output_vblank->sequence,
 783                                         output_vblank->tv_sec,
 784                                         output_vblank->tv_usec,
 785                                         v->user_data);
 786
 787                 free(v);
 788         }
 789         _pthread_mutex_lock(&private_display->lock);
 790
 791         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 792                 TDM_INFO("-----------------------------------------...");
 793 }
 794
 795 static void
 796 _tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 797                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 798 {
 799         tdm_private_output_vblank_handler *vblank_handler = user_data;
 800         tdm_thread_cb_output_vblank output_vblank;
 801         tdm_error ret;
 802
 803         memset(&output_vblank, 0, sizeof output_vblank);
 804         output_vblank.base.type = TDM_THREAD_CB_OUTPUT_VBLANK;
 805         output_vblank.base.length = sizeof output_vblank;
 806         output_vblank.base.object_stamp = vblank_handler->private_output->stamp;
 807         output_vblank.base.data = vblank_handler;
 808         output_vblank.base.sync = 0;
 809         output_vblank.sequence = sequence;
 810         output_vblank.tv_sec = tv_sec;
 811         output_vblank.tv_usec = tv_usec;
 812
 813         vblank_handler->sent_to_frontend = 1;
 814
 815         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 816                 TDM_INFO("output(%d) wait_vblank: handler(%p)", vblank_handler->private_output->pipe, vblank_handler);
 817
 818         ret = tdm_thread_cb_call(vblank_handler->private_output, &output_vblank.base, 1);
 819         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 820 }
 821
 822 static void
 823 _tdm_output_thread_cb_commit(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 824 {
 825         tdm_thread_cb_output_commit *output_commit = (tdm_thread_cb_output_commit *)cb_base;
 826         tdm_private_output_commit_handler *output_commit_handler = output_commit->base.data;
 827         tdm_private_output *private_output = object;
 828         tdm_private_layer *private_layer = NULL;
 829
 830         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 831
 832         if (!output_commit_handler)
 833                 return;
 834
 835         assert(output_commit_handler->owner_tid == syscall(SYS_gettid));
 836
 837         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
 838
 839         LIST_DEL(&output_commit_handler->link);
 840
 841         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
 842                 TDM_INFO("----------------------------------------- output(%d) committed", private_output->pipe);
 843                 TDM_INFO("handler(%p)", output_commit_handler);
 844         }
 845
 846         if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
 847                 /* In case of layer commit, the below will be handled in the layer commit callback */
 848                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 849                         if (private_layer->committed_buffer)
 850                                 tdm_layer_committed(private_layer, &private_layer->committed_buffer);
 851                 }
 852         }
 853
 854         if (output_commit_handler->func) {
 855                 _pthread_mutex_unlock(&private_display->lock);
 856                 output_commit_handler->func(private_output,
 857                                                                         output_commit->sequence,
 858                                                                         output_commit->tv_sec,
 859                                                                         output_commit->tv_usec,
 860                                                                         output_commit_handler->user_data);
 861                 _pthread_mutex_lock(&private_display->lock);
 862         }
 863
 864         free(output_commit_handler);
 865
 866         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 867                 TDM_INFO("-----------------------------------------...");
 868 }
 869
 870 static void
 871 _tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 872                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 873 {
 874         tdm_private_output_commit_handler *output_commit_handler = user_data;
 875         tdm_private_output *private_output;
 876         tdm_thread_cb_output_commit output_commit;
 877         tdm_error ret;
 878
 879         if (output_commit_handler)
 880                 private_output = output_commit_handler->private_output;
 881         else
 882                 private_output = tdm_display_find_private_output(tdm_display_get(), output_backend);
 883
 884         memset(&output_commit, 0, sizeof output_commit);
 885         output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
 886         output_commit.base.length = sizeof output_commit;
 887         output_commit.base.object_stamp = private_output->stamp;
 888         output_commit.base.data = output_commit_handler;
 889         output_commit.base.sync = 0;
 890         output_commit.sequence = sequence;
 891         output_commit.tv_sec = tv_sec;
 892         output_commit.tv_usec = tv_usec;
 893
 894         ret = tdm_thread_cb_call(private_output, &output_commit.base, 1);
 895         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 896 }
 897
 898 /* add_front: To distinguish between the user vblank handlers and the layer
 899  *            commit vblank handlers. The layer commit handlers will be called
 900  *            before calling the user vblank handlers.
 901  */
 902 static tdm_error
 903 _tdm_output_wait_vblank(tdm_private_output *private_output, int interval, int sync,
 904                                                 tdm_output_vblank_handler func, void *user_data,
 905                                                 unsigned int add_front)
 906 {
 907         tdm_private_module *private_module;
 908         tdm_func_output *func_output;
 909         tdm_private_output_vblank_handler *vblank_handler = NULL, *v = NULL;
 910         unsigned int skip_request = 0;
 911         pid_t tid = syscall(SYS_gettid);
 912         tdm_error ret = TDM_ERROR_NONE;
 913
 914         private_module = private_output->private_module;
 915         func_output = &private_module->func_output;
 916
 917         /* interval SHOULD be at least 1 */
 918         if (interval <= 0)
 919                 interval = 1;
 920
 921         if (!func_output->output_wait_vblank) {
 922                 /* LCOV_EXCL_START */
 923                 TDM_WRN("not implemented!!");
 924                 return TDM_ERROR_NOT_IMPLEMENTED;
 925                 /* LCOV_EXCL_STOP */
 926         }
 927
 928         if (!private_output->regist_vblank_cb) {
 929                 private_output->regist_vblank_cb = 1;
 930                 ret = func_output->output_set_vblank_handler(private_output->output_backend,
 931                                 _tdm_output_cb_vblank);
 932         }
 933
 934         vblank_handler = calloc(1, sizeof(tdm_private_output_vblank_handler));
 935         if (!vblank_handler) {
 936                 /* LCOV_EXCL_START */
 937                 TDM_ERR("failed: alloc memory");
 938                 return TDM_ERROR_OUT_OF_MEMORY;
 939                 /* LCOV_EXCL_STOP */
 940         }
 941
 942         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 943                 TDM_INFO("output(%d) wait_vblank: handler(%p)", private_output->pipe, vblank_handler);
 944
 945         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 946                 if (v->interval == interval && v->sync == sync && v->owner_tid == tid) {
 947                         skip_request = 1;
 948                         break;
 949                 }
 950         }
 951
 952         if (add_front)
 953                 LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
 954         else
 955                 LIST_ADDTAIL(&vblank_handler->link, &private_output->vblank_handler_list);
 956
 957         vblank_handler->private_output = private_output;
 958         vblank_handler->interval = interval;
 959         vblank_handler->sync = sync;
 960         vblank_handler->func = func;
 961         vblank_handler->user_data = user_data;
 962         vblank_handler->owner_tid = tid;
 963
 964         /* If there is the previous request, we can skip to call output_wait_vblank() */
 965         if (!skip_request) {
 966                 ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 967                 if (ret != TDM_ERROR_NONE) {
 968                         TDM_ERR("tdm_thread_cb_add failed");
 969                         goto wait_failed;
 970                 }
 971
 972                 ret = func_output->output_wait_vblank(private_output->output_backend, interval,
 973                                                                                           sync, vblank_handler);
 974                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 975
 976                 _tdm_output_vblank_timeout_update(private_output, 1000);
 977
 978                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 979                         TDM_INFO("output(%d) backend wait_vblank", private_output->pipe);
 980         }
 981
 982         return ret;
 983
 984 wait_failed:
 985         /* LCOV_EXCL_START */
 986         if (vblank_handler) {
 987                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 988                 LIST_DEL(&vblank_handler->link);
 989                 free(vblank_handler);
 990         }
 991         return ret;
 992         /* LCOV_EXCL_STOP */
 993 }
 994
 995 EXTERN tdm_error
 996 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 997                                            tdm_output_vblank_handler func, void *user_data)
 998 {
 999         OUTPUT_FUNC_ENTRY();
1000         TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_ERROR_INVALID_PARAMETER);
1001
1002         _pthread_mutex_lock(&private_display->lock);
1003
1004         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1005                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
1006                                 tdm_dpms_str(private_output->current_dpms_value));
1007                 _pthread_mutex_unlock(&private_display->lock);
1008                 return TDM_ERROR_DPMS_OFF;
1009         }
1010
1011         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 0);
1012
1013         _pthread_mutex_unlock(&private_display->lock);
1014
1015         return ret;
1016 }
1017
1018 /* LCOV_EXCL_START */
1019 EXTERN tdm_error
1020 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
1021                                                                  tdm_output_vblank_handler func, void *user_data)
1022 {
1023         OUTPUT_FUNC_ENTRY();
1024
1025         _pthread_mutex_lock(&private_display->lock);
1026
1027         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1028                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
1029                                 tdm_dpms_str(private_output->current_dpms_value));
1030                 _pthread_mutex_unlock(&private_display->lock);
1031                 return TDM_ERROR_DPMS_OFF;
1032         }
1033
1034         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 1);
1035
1036         _pthread_mutex_unlock(&private_display->lock);
1037
1038         return ret;
1039 }
1040 /* LCOV_EXCL_STOP */
1041
1042 INTERN void
1043 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
1044 {
1045         tdm_private_output *private_output = (tdm_private_output*)output;
1046         tdm_private_output_vblank_handler *v = NULL;
1047
1048         TDM_RETURN_IF_FAIL(private_output != NULL);
1049         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1050
1051         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
1052                 if (v->func == func && v->user_data == user_data) {
1053                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1054                         v->func = NULL;
1055                         v->user_data = NULL;
1056                         break;
1057                 }
1058         }
1059 }
1060
1061 INTERN void
1062 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1063 {
1064         tdm_private_output *private_output = (tdm_private_output*)output;
1065         tdm_private_output_commit_handler *c = NULL;
1066
1067         TDM_RETURN_IF_FAIL(private_output != NULL);
1068         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1069
1070         LIST_FOR_EACH_ENTRY(c, &private_output->output_commit_handler_list, link) {
1071                 if (c->func == func && c->user_data == user_data) {
1072                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1073                         c->func = NULL;
1074                         c->user_data = NULL;
1075                         break;
1076                 }
1077         }
1078 }
1079
1080 EXTERN tdm_error
1081 tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
1082 {
1083         OUTPUT_FUNC_ENTRY();
1084
1085         _pthread_mutex_lock(&private_display->lock);
1086
1087         tdm_output_remove_vblank_handler_internal(output, func, user_data);
1088
1089         _pthread_mutex_unlock(&private_display->lock);
1090
1091         return ret;
1092 }
1093
1094 EXTERN tdm_error
1095 tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1096 {
1097         OUTPUT_FUNC_ENTRY();
1098
1099         _pthread_mutex_lock(&private_display->lock);
1100
1101         tdm_output_remove_commit_handler_internal(output, func, user_data);
1102
1103         _pthread_mutex_unlock(&private_display->lock);
1104
1105         return ret;
1106 }
1107
1108 INTERN tdm_error
1109 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
1110 {
1111         tdm_private_output *private_output;
1112         tdm_private_module *private_module;
1113         tdm_func_output *func_output;
1114         tdm_private_output_commit_handler *output_commit_handler = NULL;
1115         tdm_private_layer *private_layer = NULL;
1116         tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
1117         tdm_error ret = TDM_ERROR_NONE;
1118
1119         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
1120
1121         private_output = (tdm_private_output*)output;
1122         private_module = private_output->private_module;
1123         func_output = &private_module->func_output;
1124
1125         if (!func_output->output_commit) {
1126                 /* LCOV_EXCL_START */
1127                 TDM_WRN("not implemented!!");
1128                 return TDM_ERROR_NOT_IMPLEMENTED;
1129                 /* LCOV_EXCL_STOP */
1130         }
1131
1132         ret = tdm_output_get_dpms_internal(output, &dpms_value);
1133         TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
1134
1135         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1136                 if (!private_output->regist_commit_cb) {
1137                         private_output->regist_commit_cb = 1;
1138                         ret = func_output->output_set_commit_handler(private_output->output_backend, _tdm_output_cb_commit);
1139                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1140                 }
1141
1142                 output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
1143                 if (!output_commit_handler) {
1144                         /* LCOV_EXCL_START */
1145                         TDM_ERR("failed: alloc memory");
1146                         return TDM_ERROR_OUT_OF_MEMORY;
1147                         /* LCOV_EXCL_STOP */
1148                 }
1149
1150                 ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1151                 if (ret != TDM_ERROR_NONE) {
1152                         TDM_ERR("tdm_thread_cb_add failed");
1153                         free(output_commit_handler);
1154                         return ret;
1155                 }
1156
1157                 LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
1158                 output_commit_handler->private_output = private_output;
1159                 output_commit_handler->func = func;
1160                 output_commit_handler->user_data = user_data;
1161                 output_commit_handler->owner_tid = syscall(SYS_gettid);
1162
1163                 ret = func_output->output_commit(private_output->output_backend, sync,
1164                                 output_commit_handler);
1165                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1166
1167                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
1168                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
1169                                         private_output->pipe, output_commit_handler, func, user_data);
1170         }
1171
1172         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
1173          * for tdm_layer_committed() function.
1174          */
1175         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1176                 if (!private_layer->waiting_buffer)
1177                         continue;
1178
1179                 if (private_layer->committed_buffer) {
1180                         tdm_layer_free_buffer(private_layer, private_layer->committed_buffer);
1181                         private_layer->committed_buffer = NULL;
1182                         if (tdm_debug_module & TDM_DEBUG_BUFFER)
1183                                 TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
1184                                                  private_layer, private_layer->waiting_buffer->buffer,
1185                                                  private_layer->committed_buffer);
1186                 }
1187
1188                 private_layer->committed_buffer = private_layer->waiting_buffer;
1189                 private_layer->waiting_buffer = NULL;
1190                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1191                         TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
1192                                          private_layer, private_layer->waiting_buffer,
1193                                          private_layer->committed_buffer->buffer);
1194         }
1195
1196         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1197                 TDM_WRN("dpms %s. Directly call commit handler instead of commit.", tdm_dpms_str(dpms_value));
1198                 if (func)
1199                         func(output, 0, 0, 0, user_data);
1200         }
1201
1202         return ret;
1203
1204 commit_failed:
1205         /* LCOV_EXCL_START */
1206         if (output_commit_handler) {
1207                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1208                 LIST_DEL(&output_commit_handler->link);
1209                 free(output_commit_handler);
1210         }
1211         return ret;
1212         /* LCOV_EXCL_STOP */
1213 }
1214
1215 EXTERN tdm_error
1216 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
1217                                   void *user_data)
1218 {
1219         tdm_private_layer *private_layer = NULL;
1220
1221         OUTPUT_FUNC_ENTRY();
1222
1223         _pthread_mutex_lock(&private_display->lock);
1224
1225         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE)
1226                 private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
1227         else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1228                 TDM_ERR("Can't supported. Use tdm_layer_commit");
1229                 _pthread_mutex_unlock(&private_display->lock);
1230                 return TDM_ERROR_BAD_REQUEST;
1231         }
1232
1233         if (private_output->commit_per_vblank) {
1234                 TDM_ERR("Use tdm_layer_commit");
1235                 _pthread_mutex_unlock(&private_display->lock);
1236                 return TDM_ERROR_BAD_REQUEST;
1237         }
1238
1239         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1240                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
1241                                 tdm_dpms_str(private_output->current_dpms_value));
1242                 _pthread_mutex_unlock(&private_display->lock);
1243                 return TDM_ERROR_DPMS_OFF;
1244         }
1245
1246         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1247                 TDM_INFO("output(%d) commit", private_output->pipe);
1248
1249         /* apply the pending data of all layers */
1250         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1251                 tdm_layer_commit_pending_data(private_layer);
1252         }
1253
1254         ret = tdm_output_commit_internal(output, sync, func, user_data);
1255
1256         _pthread_mutex_unlock(&private_display->lock);
1257
1258         return ret;
1259 }
1260
1261 EXTERN tdm_error
1262 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
1263 {
1264         tdm_private_module *private_module;
1265         tdm_func_output *func_output;
1266         OUTPUT_FUNC_ENTRY();
1267
1268         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1269
1270         _pthread_mutex_lock(&private_display->lock);
1271
1272         private_module = private_output->private_module;
1273         func_output = &private_module->func_output;
1274
1275         if (!func_output->output_set_mode) {
1276                 /* LCOV_EXCL_START */
1277                 _pthread_mutex_unlock(&private_display->lock);
1278                 TDM_WRN("not implemented!!");
1279                 return TDM_ERROR_NOT_IMPLEMENTED;
1280                 /* LCOV_EXCL_STOP */
1281         }
1282
1283         ret = func_output->output_set_mode(private_output->output_backend, mode);
1284         if (ret == TDM_ERROR_NONE) {
1285                 private_output->current_mode = mode;
1286                 private_output->need_set_target_info = 1;
1287                 TDM_INFO("mode: %dx%d %dhz", mode->hdisplay, mode->vdisplay, mode->vrefresh);
1288         }
1289
1290         _pthread_mutex_unlock(&private_display->lock);
1291
1292         return ret;
1293 }
1294
1295 EXTERN tdm_error
1296 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
1297 {
1298         OUTPUT_FUNC_ENTRY();
1299
1300         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1301
1302         _pthread_mutex_lock(&private_display->lock);
1303
1304         *mode = private_output->current_mode;
1305
1306         _pthread_mutex_unlock(&private_display->lock);
1307
1308         return ret;
1309 }
1310
1311 EXTERN tdm_error
1312 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1313 {
1314         tdm_private_module *private_module;
1315         tdm_func_output *func_output;
1316         OUTPUT_FUNC_ENTRY();
1317
1318         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1319                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1320                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1321                         return TDM_ERROR_BAD_REQUEST;
1322                 }
1323
1324                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1325                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1326                                         private_output->pipe, tdm_dpms_str(dpms_value));
1327                         return TDM_ERROR_BAD_REQUEST;
1328                 }
1329         }
1330
1331         _pthread_mutex_lock(&private_display->lock);
1332
1333         if (private_output->waiting_dpms_change) {
1334                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1335                 _pthread_mutex_unlock(&private_display->lock);
1336                 return TDM_ERROR_BAD_REQUEST;
1337         }
1338
1339         private_module = private_output->private_module;
1340         func_output = &private_module->func_output;
1341
1342         TDM_INFO("output(%d) dpms '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1343
1344         if (func_output->output_set_dpms)
1345                 ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1346         else {
1347                 /* LCOV_EXCL_START */
1348                 ret = TDM_ERROR_NONE;
1349                 TDM_WRN("not implemented!!");
1350                 goto done;
1351                 /* LCOV_EXCL_STOP */
1352         }
1353
1354 done:
1355         if (ret == TDM_ERROR_NONE) {
1356                 if (private_output->current_dpms_value != dpms_value) {
1357                         private_output->current_dpms_value = dpms_value;
1358                         _tdm_output_call_thread_cb_dpms(private_output, dpms_value);
1359                 }
1360                 TDM_INFO("output(%d) dpms '%s' done", private_output->pipe, tdm_dpms_str(dpms_value));
1361         } else {
1362                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1363
1364                 /* update current_dpms_value forcely */
1365                 tdm_output_get_dpms_internal(output, &temp);
1366
1367                 TDM_ERR("output(%d) set_dpms failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1368         }
1369
1370         _pthread_mutex_unlock(&private_display->lock);
1371
1372         return ret;
1373 }
1374
1375 /* LCOV_EXCL_START */
1376 EXTERN tdm_error
1377 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
1378 {
1379         tdm_private_module *private_module;
1380         tdm_func_output *func_output;
1381         OUTPUT_FUNC_ENTRY();
1382
1383         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_ASYNC_DPMS)) {
1384                 TDM_ERR("output doesn't support the asynchronous DPMS control!");
1385                 return TDM_ERROR_BAD_REQUEST;
1386         }
1387
1388         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1389                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1390                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1391                         return TDM_ERROR_BAD_REQUEST;
1392                 }
1393
1394                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1395                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1396                                         private_output->pipe, tdm_dpms_str(dpms_value));
1397                         return TDM_ERROR_BAD_REQUEST;
1398                 }
1399         }
1400
1401         _pthread_mutex_lock(&private_display->lock);
1402
1403         if (private_output->waiting_dpms_change) {
1404                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1405                 _pthread_mutex_unlock(&private_display->lock);
1406                 return TDM_ERROR_BAD_REQUEST;
1407         }
1408
1409         private_module = private_output->private_module;
1410         func_output = &private_module->func_output;
1411         if (!func_output->output_set_dpms_handler) {
1412                 TDM_WRN("not implemented: output_set_dpms_handler");
1413                 _pthread_mutex_unlock(&private_display->lock);
1414                 return TDM_ERROR_NOT_IMPLEMENTED;
1415         }
1416
1417         if (!func_output->output_set_dpms_async) {
1418                 TDM_WRN("not implemented: output_set_dpms_async");
1419                 _pthread_mutex_unlock(&private_display->lock);
1420                 return TDM_ERROR_NOT_IMPLEMENTED;
1421         }
1422
1423         if (!private_output->regist_dpms_cb) {
1424                 private_output->regist_dpms_cb = 1;
1425                 ret = func_output->output_set_dpms_handler(private_output->output_backend,
1426                                 tdm_output_cb_dpms, private_output);
1427                 if (ret != TDM_ERROR_NONE) {
1428                         _pthread_mutex_unlock(&private_display->lock);
1429                         TDM_ERR("Can't set the dpms handler!!");
1430                         return ret;
1431                 }
1432         }
1433
1434         TDM_INFO("output(%d) dpms async '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1435
1436         ret = func_output->output_set_dpms_async(private_output->output_backend, dpms_value);
1437
1438         if (ret == TDM_ERROR_NONE) {
1439                 private_output->waiting_dpms_change = 1;
1440                 TDM_INFO("output(%d) dpms async '%s' waiting", private_output->pipe, tdm_dpms_str(dpms_value));
1441         } else {
1442                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1443
1444                 /* update current_dpms_value forcely */
1445                 tdm_output_get_dpms_internal(output, &temp);
1446
1447                 TDM_ERR("output(%d) set_dpms_async failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1448         }
1449
1450         _pthread_mutex_unlock(&private_display->lock);
1451
1452         return ret;
1453 }
1454 /* LCOV_EXCL_STOP */
1455
1456 INTERN tdm_error
1457 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1458 {
1459         tdm_private_output *private_output;
1460         tdm_private_module *private_module;
1461         tdm_func_output *func_output;
1462         tdm_error ret = TDM_ERROR_NONE;
1463
1464         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
1465
1466         private_output = (tdm_private_output*)output;
1467
1468         /* TODO: this is ugly. But before calling backend's output_get_dpms(), we have
1469          * to check if all backends's DPMS operation has no problem. In future, we'd
1470          * better use new env instead of using commit_per_vblank variable to distinguish
1471          * whether we use the stored value or backend's output_get_dpms.
1472          */
1473         if (!private_output->commit_per_vblank) {
1474                 *dpms_value = private_output->current_dpms_value;
1475                 return TDM_ERROR_NONE;
1476         }
1477
1478         private_module = private_output->private_module;
1479         func_output = &private_module->func_output;
1480
1481         if (!func_output->output_get_dpms) {
1482                 /* LCOV_EXCL_START */
1483                 *dpms_value = private_output->current_dpms_value;
1484                 TDM_WRN("not implemented!!");
1485                 return TDM_ERROR_NONE;
1486                 /* LCOV_EXCL_STOP */
1487         }
1488
1489         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1490         if (ret != TDM_ERROR_NONE) {
1491                 /* LCOV_EXCL_START */
1492                 TDM_ERR("output_get_dpms failed");
1493                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1494                 /* LCOV_EXCL_STOP */
1495         }
1496
1497         /* checking with backend's value */
1498         if (*dpms_value != private_output->current_dpms_value) {
1499                 TDM_ERR("output(%d) dpms changed suddenly: %s -> %s",
1500                                 private_output->pipe, tdm_dpms_str(private_output->current_dpms_value),
1501                                 tdm_dpms_str(*dpms_value));
1502                 private_output->current_dpms_value = *dpms_value;
1503                 _tdm_output_call_thread_cb_dpms(private_output, *dpms_value);
1504         }
1505
1506         return ret;
1507 }
1508
1509 EXTERN tdm_error
1510 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1511 {
1512         OUTPUT_FUNC_ENTRY();
1513
1514         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1515
1516         _pthread_mutex_lock(&private_display->lock);
1517
1518         ret = tdm_output_get_dpms_internal(output, dpms_value);
1519
1520         _pthread_mutex_unlock(&private_display->lock);
1521
1522         return ret;
1523 }
1524
1525 EXTERN tdm_error
1526 tdm_output_has_capture_capability(tdm_output *output, unsigned int *has_capability)
1527 {
1528         tdm_private_module *private_module;
1529
1530         OUTPUT_FUNC_ENTRY();
1531
1532         TDM_RETURN_VAL_IF_FAIL(has_capability != NULL, TDM_ERROR_INVALID_PARAMETER);
1533
1534         _pthread_mutex_lock(&private_display->lock);
1535
1536         private_module = private_output->private_module;
1537
1538         if (!(private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
1539                 *has_capability = 0;
1540         else if (!(private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT))
1541                 *has_capability = 0;
1542         else
1543                 *has_capability = 1;
1544
1545         _pthread_mutex_unlock(&private_display->lock);
1546
1547         return ret;
1548 }
1549
1550 EXTERN tdm_capture *
1551 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1552 {
1553         tdm_capture *capture = NULL;
1554
1555         OUTPUT_FUNC_ENTRY_ERROR();
1556
1557         _pthread_mutex_lock(&private_display->lock);
1558
1559         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1560
1561         _pthread_mutex_unlock(&private_display->lock);
1562
1563         return capture;
1564 }
1565
1566 /* LCOV_EXCL_START */
1567 EXTERN tdm_hwc_window *
1568 tdm_output_hwc_create_window(tdm_output *output, tdm_error *error)
1569 {
1570         tdm_hwc_window *hwc_window = NULL;
1571
1572         OUTPUT_FUNC_ENTRY_ERROR();
1573
1574         _pthread_mutex_lock(&private_display->lock);
1575
1576         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1577                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, 0, error);
1578         else {
1579                 TDM_ERR("output(%p) not support HWC", private_output);
1580                 if (error)
1581                         *error = TDM_ERROR_BAD_REQUEST;
1582         }
1583
1584         _pthread_mutex_unlock(&private_display->lock);
1585
1586         return hwc_window;
1587 }
1588
1589 EXTERN tdm_hwc_window *
1590 tdm_output_hwc_create_video_window(tdm_output *output, tdm_error *error)
1591 {
1592         tdm_hwc_window *hwc_window = NULL;
1593
1594         OUTPUT_FUNC_ENTRY_ERROR();
1595
1596         _pthread_mutex_lock(&private_display->lock);
1597
1598         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1599                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, 1, error);
1600         else {
1601                 TDM_ERR("output(%p) not support HWC", private_output);
1602                 if (error)
1603                         *error = TDM_ERROR_BAD_REQUEST;
1604         }
1605
1606         _pthread_mutex_unlock(&private_display->lock);
1607
1608         return hwc_window;
1609 }
1610
1611 EXTERN tdm_error
1612 tdm_output_hwc_destroy_window(tdm_output *output, tdm_hwc_window *hwc_window)
1613 {
1614         OUTPUT_FUNC_ENTRY();
1615
1616         TDM_RETURN_VAL_IF_FAIL(hwc_window != NULL, TDM_ERROR_INVALID_PARAMETER);
1617
1618         _pthread_mutex_lock(&private_display->lock);
1619
1620         ret = tdm_hwc_window_destroy_internal(hwc_window);
1621
1622         _pthread_mutex_unlock(&private_display->lock);
1623
1624         return ret;
1625 }
1626
1627 EXTERN tdm_error
1628 tdm_output_hwc_validate(tdm_output *output, tdm_hwc_window **composited_wnds,
1629                                                                         uint32_t num_wnds, uint32_t *num_types)
1630 {
1631         tdm_private_module *private_module;
1632         tdm_func_output *func_output = NULL;
1633         tdm_private_hwc_window **composited_wnds_frontend = NULL;
1634         tdm_hwc_window **composited_wnds_backend = NULL;
1635         int i;
1636
1637         OUTPUT_FUNC_ENTRY();
1638
1639         TDM_RETURN_VAL_IF_FAIL(num_types != NULL, TDM_ERROR_INVALID_PARAMETER);
1640
1641         _pthread_mutex_lock(&private_display->lock);
1642
1643         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1644                 TDM_ERR("output(%p) not support HWC", private_output);
1645                 _pthread_mutex_unlock(&private_display->lock);
1646                 return TDM_ERROR_BAD_REQUEST;
1647         }
1648
1649         private_module = private_output->private_module;
1650         func_output = &private_module->func_output;
1651
1652         if (!func_output->output_hwc_validate) {
1653                 _pthread_mutex_unlock(&private_display->lock);
1654                 TDM_WRN("not implemented!!");
1655                 return TDM_ERROR_NOT_IMPLEMENTED;
1656         }
1657
1658         if (num_wnds == 0) {
1659                 ret = func_output->output_hwc_validate(private_output->output_backend, NULL, 0, num_types);
1660
1661                 _pthread_mutex_unlock(&private_display->lock);
1662
1663                 return ret;
1664         }
1665
1666         composited_wnds_backend = calloc(num_wnds, sizeof(tdm_hwc_window *));
1667         if (!composited_wnds_backend) {
1668                 _pthread_mutex_unlock(&private_display->lock);
1669                 return TDM_ERROR_OUT_OF_MEMORY;
1670         }
1671
1672         composited_wnds_frontend = (tdm_private_hwc_window **)composited_wnds;
1673
1674         for (i = 0; i < num_wnds; i++)
1675                 composited_wnds_backend[i] = composited_wnds_frontend[i]->hwc_window_backend;
1676
1677         ret = func_output->output_hwc_validate(private_output->output_backend, composited_wnds_backend, num_wnds, num_types);
1678
1679         free(composited_wnds_backend);
1680
1681         _pthread_mutex_unlock(&private_display->lock);
1682
1683         return ret;
1684 }
1685
1686 EXTERN tdm_error
1687 tdm_output_hwc_set_need_validate_handler(tdm_output *output,
1688                 tdm_output_need_validate_handler hndl)
1689 {
1690         OUTPUT_FUNC_ENTRY();
1691
1692         TDM_RETURN_VAL_IF_FAIL(hndl != NULL, TDM_ERROR_INVALID_PARAMETER);
1693
1694         _pthread_mutex_lock(&private_display->lock);
1695
1696         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1697                 TDM_ERR("output(%p) not support HWC", private_output);
1698                 _pthread_mutex_unlock(&private_display->lock);
1699                 return TDM_ERROR_BAD_REQUEST;
1700         }
1701
1702         /* there's no reason to allow this */
1703         if (private_output->need_validate.hndl) {
1704
1705                 _pthread_mutex_unlock(&private_display->lock);
1706                 return TDM_ERROR_OPERATION_FAILED;
1707         }
1708
1709         private_output->need_validate.hndl = hndl;
1710
1711         _pthread_mutex_unlock(&private_display->lock);
1712
1713         return ret;
1714 }
1715
1716 EXTERN tdm_error
1717 tdm_output_hwc_get_changed_composition_types(tdm_output *output,
1718                                                                                  uint32_t *num_elements,
1719                                                                                  tdm_hwc_window **hwc_window,
1720                                                                                  tdm_hwc_window_composition *composition_types)
1721 {
1722         tdm_private_module *private_module;
1723         tdm_func_output *func_output = NULL;
1724         tdm_private_hwc_window * private_hwc_window = NULL;
1725         int i = 0;
1726
1727         OUTPUT_FUNC_ENTRY();
1728
1729         TDM_RETURN_VAL_IF_FAIL(num_elements != NULL, TDM_ERROR_INVALID_PARAMETER);
1730
1731         _pthread_mutex_lock(&private_display->lock);
1732
1733         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1734                 TDM_ERR("output(%p) not support HWC", private_output);
1735                 _pthread_mutex_unlock(&private_display->lock);
1736                 return TDM_ERROR_BAD_REQUEST;
1737         }
1738
1739         private_module = private_output->private_module;
1740         func_output = &private_module->func_output;
1741
1742         if (!func_output->output_hwc_get_changed_composition_types) {
1743                 _pthread_mutex_unlock(&private_display->lock);
1744                 TDM_WRN("not implemented!!");
1745                 return TDM_ERROR_NOT_IMPLEMENTED;
1746         }
1747
1748         ret = func_output->output_hwc_get_changed_composition_types(private_output->output_backend,
1749                                                         num_elements, hwc_window, composition_types);
1750         if (ret != TDM_ERROR_NONE) {
1751                 _pthread_mutex_unlock(&private_display->lock);
1752                 return ret;
1753         }
1754
1755         if (hwc_window == NULL || composition_types == NULL) {
1756                 _pthread_mutex_unlock(&private_display->lock);
1757                 return TDM_ERROR_NONE;
1758         }
1759
1760         for (i = 0; i < *num_elements; i++) {
1761
1762                 private_hwc_window = _tdm_output_find_private_hwc_window(private_output, hwc_window[i]);
1763
1764                 if (private_hwc_window == NULL) {
1765                         TDM_ERR("failed! This should never happen!");
1766                         func_output->output_hwc_destroy_window(private_output->output_backend, hwc_window[i]);
1767                         *num_elements = 0;
1768                         _pthread_mutex_unlock(&private_display->lock);
1769                         return TDM_ERROR_OPERATION_FAILED;
1770                 }
1771
1772                 hwc_window[i] = (tdm_hwc_window*)private_hwc_window;
1773         }
1774
1775         _pthread_mutex_unlock(&private_display->lock);
1776
1777         return ret;
1778 }
1779
1780 tdm_error
1781 tdm_output_hwc_accept_changes(tdm_output *output)
1782 {
1783         tdm_private_module *private_module;
1784         tdm_func_output *func_output = NULL;
1785
1786         OUTPUT_FUNC_ENTRY();
1787
1788         _pthread_mutex_lock(&private_display->lock);
1789
1790         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1791                 TDM_ERR("output(%p) not support HWC", private_output);
1792                 _pthread_mutex_unlock(&private_display->lock);
1793                 return TDM_ERROR_BAD_REQUEST;
1794         }
1795
1796         private_module = private_output->private_module;
1797         func_output = &private_module->func_output;
1798
1799         if (!func_output->output_hwc_validate) {
1800                 _pthread_mutex_unlock(&private_display->lock);
1801                 TDM_WRN("not implemented!!");
1802                 return TDM_ERROR_NOT_IMPLEMENTED;
1803         }
1804
1805         ret = func_output->output_hwc_accept_changes(private_output->output_backend);
1806
1807         _pthread_mutex_unlock(&private_display->lock);
1808
1809         return ret;
1810 }
1811
1812 tbm_surface_queue_h
1813 tdm_output_hwc_get_target_buffer_queue(tdm_output *output, tdm_error *error)
1814 {
1815         tdm_private_module *private_module;
1816         tdm_func_output *func_output = NULL;
1817         tbm_surface_queue_h queue = NULL;
1818
1819         OUTPUT_FUNC_ENTRY_ERROR();
1820
1821         _pthread_mutex_lock(&private_display->lock);
1822
1823         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1824                 TDM_ERR("output(%p) not support HWC", private_output);
1825                 if (error)
1826                         *error = TDM_ERROR_BAD_REQUEST;
1827                 _pthread_mutex_unlock(&private_display->lock);
1828                 return NULL;
1829         }
1830
1831         private_module = private_output->private_module;
1832         func_output = &private_module->func_output;
1833
1834         if (!func_output->output_hwc_get_target_buffer_queue) {
1835                 _pthread_mutex_unlock(&private_display->lock);
1836                 TDM_WRN("not implemented!!");
1837                 return NULL;
1838         }
1839
1840         queue = func_output->output_hwc_get_target_buffer_queue(private_output->output_backend, error);
1841
1842         _pthread_mutex_unlock(&private_display->lock);
1843
1844         return queue;
1845 }
1846
1847 EXTERN tdm_error
1848 tdm_output_hwc_set_client_target_buffer(tdm_output *output, tbm_surface_h target_buffer, tdm_hwc_region damage)
1849 {
1850         tdm_private_module *private_module;
1851         tdm_func_output *func_output = NULL;
1852
1853         OUTPUT_FUNC_ENTRY();
1854
1855         _pthread_mutex_lock(&private_display->lock);
1856
1857         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1858                 TDM_ERR("output(%p) not support HWC", private_output);
1859                 _pthread_mutex_unlock(&private_display->lock);
1860                 return TDM_ERROR_BAD_REQUEST;
1861         }
1862
1863         if (tdm_debug_dump & TDM_DUMP_FLAG_WINDOW) {
1864                 char str[TDM_PATH_LEN];
1865                 static int i;
1866                 snprintf(str, TDM_PATH_LEN, "target_window_%d_%03d",
1867                                  private_output->index, i++);
1868                 tdm_helper_dump_buffer_str(target_buffer, tdm_debug_dump_dir, str);
1869         }
1870
1871         private_module = private_output->private_module;
1872         func_output = &private_module->func_output;
1873
1874         if (!func_output->output_hwc_set_client_target_buffer) {
1875                 _pthread_mutex_unlock(&private_display->lock);
1876                 TDM_WRN("not implemented!!");
1877                 return TDM_ERROR_NOT_IMPLEMENTED;
1878         }
1879
1880         ret = func_output->output_hwc_set_client_target_buffer(private_output->output_backend, target_buffer, damage);
1881
1882         _pthread_mutex_unlock(&private_display->lock);
1883
1884         return ret;
1885 }
1886
1887 EXTERN tdm_error
1888 tdm_output_hwc_unset_client_target_buffer(tdm_output *output)
1889 {
1890         tdm_private_module *private_module;
1891         tdm_func_output *func_output = NULL;
1892
1893         OUTPUT_FUNC_ENTRY();
1894
1895         _pthread_mutex_lock(&private_display->lock);
1896
1897         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1898                 TDM_ERR("output(%p) not support HWC", private_output);
1899                 _pthread_mutex_unlock(&private_display->lock);
1900                 return TDM_ERROR_BAD_REQUEST;
1901         }
1902
1903         private_module = private_output->private_module;
1904         func_output = &private_module->func_output;
1905
1906         if (!func_output->output_hwc_unset_client_target_buffer) {
1907                 _pthread_mutex_unlock(&private_display->lock);
1908                 TDM_ERR("not implemented!!");
1909                 return TDM_ERROR_NOT_IMPLEMENTED;
1910         }
1911
1912         ret = func_output->output_hwc_unset_client_target_buffer(private_output->output_backend);
1913
1914         _pthread_mutex_unlock(&private_display->lock);
1915
1916         return ret;
1917 }
1918
1919 static void
1920 _tdm_output_hwc_layer_commit_handler(tdm_layer *layer, unsigned int sequence,
1921                                                                                  unsigned int tv_sec, unsigned int tv_usec,
1922                                                                                  void *user_data)
1923 {
1924         tdm_private_output_hwc_target_buffer_commit_handler *output_hwc_target_buffer_commit_handler = (tdm_private_output_hwc_target_buffer_commit_handler *)user_data;
1925         tdm_output_hwc_target_buffer_commit_handler func = output_hwc_target_buffer_commit_handler->func;
1926         tdm_output *output = (tdm_output *)output_hwc_target_buffer_commit_handler->private_output;
1927         void *data = output_hwc_target_buffer_commit_handler->user_data;
1928
1929         func(output, sequence, tv_sec, tv_usec, data);
1930
1931         free(output_hwc_target_buffer_commit_handler);
1932 }
1933
1934 tdm_error
1935 tdm_output_hwc_commit_client_target_buffer(tdm_output *output, tdm_output_hwc_target_buffer_commit_handler func, void *user_data)
1936 {
1937         tdm_private_module *private_module;
1938         tdm_func_output *func_output;
1939         tdm_private_output_hwc_target_buffer_commit_handler *output_hwc_target_buffer_commit_handler;
1940         tdm_layer *layer = NULL;
1941         tdm_private_layer *private_layer;
1942         const tdm_output_mode *mode;
1943         tbm_surface_h buffer;
1944
1945         OUTPUT_FUNC_ENTRY();
1946
1947         _pthread_mutex_lock(&private_display->lock);
1948
1949         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1950                 TDM_ERR("output(%p) not support HWC", private_output);
1951                 _pthread_mutex_unlock(&private_display->lock);
1952                 return TDM_ERROR_BAD_REQUEST;
1953         }
1954
1955         private_module = private_output->private_module;
1956         func_output = &private_module->func_output;
1957
1958         if (!func_output->output_hwc_get_client_target_buffer_layer) {
1959                 _pthread_mutex_unlock(&private_display->lock);
1960                 TDM_ERR("not implemented!!");
1961                 return TDM_ERROR_NOT_IMPLEMENTED;
1962         }
1963
1964         layer = func_output->output_hwc_get_client_target_buffer_layer(private_output->output_backend,
1965                                                                                                                    &ret);
1966         if (!layer) {
1967                 _pthread_mutex_unlock(&private_display->lock);
1968                 TDM_ERR("no assigned layer!!");
1969                 return TDM_ERROR_INVALID_PARAMETER;
1970         }
1971
1972         private_layer = (tdm_private_layer*)layer;
1973
1974         if (!func_output->output_hwc_get_client_target_buffer) {
1975                 _pthread_mutex_unlock(&private_display->lock);
1976                 TDM_ERR("not implemented!!");
1977                 return TDM_ERROR_NOT_IMPLEMENTED;
1978         }
1979
1980         buffer = func_output->output_hwc_get_client_target_buffer(private_output->output_backend,
1981                                                                                                            &ret);
1982         if (buffer)
1983                 ret = tdm_layer_set_buffer_internal(private_layer, buffer);
1984         else
1985                 ret = tdm_layer_unset_buffer_internal(private_layer);
1986         if (ret != TDM_ERROR_NONE) {
1987                 TDM_ERR("failed: layer set info(window)");
1988                 _pthread_mutex_unlock(&private_display->lock);
1989                 return ret;
1990         }
1991
1992         if (private_output->need_set_target_info) {
1993                 mode = private_output->current_mode;
1994                 private_output->target_buffer_info.src_config.size.h = mode->hdisplay;
1995                 private_output->target_buffer_info.src_config.size.v = mode->vdisplay;
1996                 private_output->target_buffer_info.src_config.pos.x = 0;
1997                 private_output->target_buffer_info.src_config.pos.y = 0;
1998                 private_output->target_buffer_info.src_config.pos.w = mode->hdisplay;
1999                 private_output->target_buffer_info.src_config.pos.h = mode->vdisplay;
2000                 private_output->target_buffer_info.dst_pos.x = 0;
2001                 private_output->target_buffer_info.dst_pos.y = 0;
2002                 private_output->target_buffer_info.dst_pos.w = mode->hdisplay;
2003                 private_output->target_buffer_info.dst_pos.h = mode->vdisplay;
2004                 private_output->target_buffer_info.transform = TDM_TRANSFORM_NORMAL;
2005
2006                 ret = tdm_layer_set_info_internal(private_layer, &private_output->target_buffer_info);
2007                 if (ret != TDM_ERROR_NONE) {
2008                         TDM_ERR("failed: layer set info(window)");
2009                         _pthread_mutex_unlock(&private_display->lock);
2010                         return ret;
2011                 }
2012
2013                 private_output->need_set_target_info = 0;
2014         }
2015
2016         output_hwc_target_buffer_commit_handler = calloc(1, sizeof(tdm_private_output_hwc_target_buffer_commit_handler));
2017         if (!output_hwc_target_buffer_commit_handler) {
2018                 TDM_ERR("failed: alloc memory");
2019                 _pthread_mutex_unlock(&private_display->lock);
2020                 return TDM_ERROR_OUT_OF_MEMORY;
2021         }
2022
2023         output_hwc_target_buffer_commit_handler->private_output = private_output;
2024         output_hwc_target_buffer_commit_handler->func = func;
2025         output_hwc_target_buffer_commit_handler->user_data = user_data;
2026
2027         ret = tdm_layer_commit_internal(private_layer, _tdm_output_hwc_layer_commit_handler, output_hwc_target_buffer_commit_handler);
2028         if (ret != TDM_ERROR_NONE) {
2029                 TDM_ERR("failed: commit layer(target buffer)");
2030                 free(output_hwc_target_buffer_commit_handler);
2031                 _pthread_mutex_unlock(&private_display->lock);
2032                 return ret;
2033         }
2034
2035         _pthread_mutex_unlock(&private_display->lock);
2036
2037         return ret;
2038 }
2039
2040 tdm_error
2041 tdm_output_hwc_get_video_supported_formats(tdm_output *output, const tbm_format **formats,
2042                                                                 int *count)
2043 {
2044         tdm_private_module *private_module;
2045         tdm_func_output *func_output;
2046         OUTPUT_FUNC_ENTRY();
2047
2048         TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
2049         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
2050
2051         _pthread_mutex_lock(&private_display->lock);
2052
2053         private_module = private_output->private_module;
2054         func_output = &private_module->func_output;
2055
2056         if (!func_output->output_hwc_get_video_supported_formats) {
2057                 _pthread_mutex_unlock(&private_display->lock);
2058                 TDM_WRN("not implemented!!");
2059                 return TDM_ERROR_NOT_IMPLEMENTED;
2060         }
2061
2062         ret = func_output->output_hwc_get_video_supported_formats(
2063                                                                 private_output->output_backend, formats, count);
2064
2065         _pthread_mutex_unlock(&private_display->lock);
2066
2067         return ret;
2068 }
2069
2070 static int
2071 _is_hwc_output_still_existed(tdm_private_output *private_output)
2072 {
2073         tdm_private_module *private_module = private_output->private_module;
2074         tdm_private_output *o = NULL;
2075
2076         LIST_FOR_EACH_ENTRY(o, &private_module->output_list, link) {
2077                 if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
2078                         continue;
2079
2080                 if (o == private_output)
2081                         goto exist;
2082         }
2083
2084         return 0;
2085
2086 exist:
2087         return 1;
2088 }
2089
2090 /* gets called on behalf of the ecore-main-loop thread */
2091 INTERN void
2092 tdm_output_need_validate_handler_thread(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
2093 {
2094         tdm_private_output *private_output = object;
2095
2096         TDM_RETURN_IF_FAIL(private_output != NULL);
2097
2098         _pthread_mutex_lock(&private_display->lock);
2099
2100         /* as we get 'private_output' within an event, an output this 'private_output'
2101          * points to can be destroyed already */
2102         if (!_is_hwc_output_still_existed(private_output)) {
2103                 _pthread_mutex_unlock(&private_display->lock);
2104                 return;
2105         }
2106
2107         _pthread_mutex_unlock(&private_display->lock);
2108
2109         TDM_INFO("tdm-backend asks for revalidation for the output:%p.", private_output);
2110
2111         if (private_output->need_validate.hndl)
2112                 private_output->need_validate.hndl((tdm_output*)private_output);
2113 }
2114
2115 /* gets called on behalf of the tdm-thread */
2116 static tdm_error
2117 _need_validate_handler(int fd, tdm_event_loop_mask mask, void *user_data)
2118 {
2119         tdm_thread_cb_need_validate ev;
2120         tdm_private_output *private_output;
2121         tdm_error ret;
2122         uint64_t value;
2123
2124         private_output = (tdm_private_output *)user_data;
2125
2126         if (read(private_output->need_validate.event_fd, &value, sizeof(value)) < 0) {
2127                 TDM_ERR("error while trying to read from a need_validate.event_fd fd.");
2128                 return TDM_ERROR_OPERATION_FAILED;
2129         }
2130
2131         memset(&ev, 0, sizeof ev);
2132         ev.base.type = TDM_THREAD_CB_NEED_VALIDATE;
2133         ev.base.length = sizeof ev;
2134         ev.base.object_stamp = private_output->stamp;
2135         ev.base.data = NULL;
2136         ev.base.sync = 0;
2137
2138         ret = tdm_thread_cb_call(private_output, &ev.base, 1);
2139         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
2140
2141         TDM_INFO("tdm-thread: get a 'need to revalidate' event for the ouptut:%p.", private_output);
2142
2143         /* who cares about this? */
2144         return TDM_ERROR_NONE;
2145 }
2146
2147 INTERN tdm_error
2148 tdm_output_need_validate_event_init(tdm_output *output)
2149 {
2150         int fd;
2151
2152         OUTPUT_FUNC_ENTRY();
2153
2154         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), TDM_ERROR_OPERATION_FAILED);
2155
2156         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
2157                 TDM_ERR("output(%p) not support HWC", private_output);
2158                 return TDM_ERROR_BAD_REQUEST;
2159         }
2160
2161         /* build in eventfd fds into event_loop listened & handled by the tdm-thread */
2162         fd = eventfd(0, 0);
2163         TDM_WARNING_IF_FAIL(fd >= 0);
2164
2165         private_output->need_validate.event_source = tdm_event_loop_add_fd_handler(private_display,
2166                         fd,     TDM_EVENT_LOOP_READABLE, _need_validate_handler, private_output, &ret);
2167         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
2168
2169         private_output->need_validate.event_fd = fd;
2170
2171         TDM_INFO("register an output:%p for the revalidation, event_fd:%d.", private_output, fd);
2172
2173         return ret;
2174 }
2175
2176 INTERN tdm_error
2177 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
2178 {
2179         if (!private_output)
2180                 return TDM_ERROR_INVALID_PARAMETER;
2181
2182         if (mode < 0 || mode > 2)
2183                 return TDM_ERROR_INVALID_PARAMETER;
2184
2185         private_output->commit_per_vblank = mode;
2186
2187         if (private_output->commit_per_vblank == 0)
2188                 TDM_INFO("commit per vblank: disable");
2189         else if (private_output->commit_per_vblank == 1)
2190                 TDM_INFO("commit per vblank: enable (1 layer)");
2191         else if (private_output->commit_per_vblank == 2)
2192                 TDM_INFO("commit per vblank: enable (previous commit)");
2193
2194         return TDM_ERROR_NONE;
2195 }
2196 /* LCOV_EXCL_STOP */