src/tdm_output.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <boram1288.park@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include "tdm_private.h"
  41
  42 #define COUNT_MAX   10
  43
  44 #define OUTPUT_FUNC_ENTRY() \
  45         tdm_private_display *private_display; \
  46         tdm_private_output *private_output; \
  47         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  48         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER); \
  49         private_output = (tdm_private_output*)output; \
  50         private_display = private_output->private_display
  51
  52 #define OUTPUT_FUNC_ENTRY_ERROR() \
  53         tdm_private_display *private_display; \
  54         tdm_private_output *private_output; \
  55         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  56         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(output != NULL, TDM_ERROR_INVALID_PARAMETER, NULL); \
  57         private_output = (tdm_private_output*)output; \
  58         private_display = private_output->private_display
  59
  60 static void
  61 _tdm_output_vblank_timeout_update(tdm_private_output *private_output, int ms_delay);
  62
  63 static tdm_error
  64 _tdm_output_vblank_timeout_cb(void *user_data)
  65 {
  66         tdm_private_output *private_output = user_data;
  67         tdm_private_output_vblank_handler *v = NULL;
  68
  69         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OPERATION_FAILED);
  70
  71         private_output->vblank_timeout_timer_expired++;
  72
  73         TDM_ERR("TDM output(%d) vblank TIMEOUT!! (%d time%s)",
  74                         private_output->pipe,
  75                         private_output->vblank_timeout_timer_expired,
  76                         (private_output->vblank_timeout_timer_expired > 1) ? "s" : "");
  77
  78         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
  79                 TDM_ERR("vblank_handler(%p) interval(%d) sync(%d) sent_to_frontend(%u) owner_tid(%d)",
  80                                 v, v->interval, v->sync, v->sent_to_frontend, v->owner_tid);
  81         }
  82
  83         return TDM_ERROR_NONE;
  84 }
  85
  86 INTERN void
  87 tdm_output_vblank_print_wait_information(tdm_private_output *private_output, void *user_data)
  88 {
  89         tdm_private_output_vblank_handler *v = NULL;
  90
  91         TDM_RETURN_IF_FAIL(private_output != NULL);
  92         TDM_RETURN_IF_FAIL(user_data != NULL);
  93
  94         TDM_ERR("TDM output(%d) vblank user_data(%p) info!!", private_output->pipe, user_data);
  95
  96         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
  97                 if (v->user_data != user_data)
  98                         continue;
  99                 TDM_ERR("vblank_handler(%p) interval(%d) sync(%d) sent_to_frontend(%u) owner_tid(%d)",
 100                                 v, v->interval, v->sync, v->sent_to_frontend, v->owner_tid);
 101         }
 102 }
 103
 104 static void
 105 _tdm_output_vblank_timeout_update(tdm_private_output *private_output, int ms_delay)
 106 {
 107         tdm_error ret;
 108
 109         if (!private_output->vblank_timeout_timer) {
 110                 private_output->vblank_timeout_timer =
 111                         tdm_event_loop_add_timer_handler(private_output->private_display,
 112                                                                                          _tdm_output_vblank_timeout_cb,
 113                                                                                          private_output,
 114                                                                                          &ret);
 115                 if (!private_output->vblank_timeout_timer) {
 116                         TDM_ERR("output(%d) couldn't add timer", private_output->pipe);
 117                         return;
 118                 }
 119                 TDM_INFO("output(%d) create vblank timeout timer", private_output->pipe);
 120                 private_output->vblank_timeout_timer_expired = 0;
 121         }
 122
 123         ret = tdm_event_loop_source_timer_update(private_output->vblank_timeout_timer, ms_delay);
 124         if (ret != TDM_ERROR_NONE) {
 125                 TDM_ERR("output(%d) couldn't update timer", private_output->pipe);
 126                 return;
 127         }
 128 }
 129
 130 INTERN tdm_error
 131 tdm_output_init(tdm_private_display *private_display)
 132 {
 133         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_COMMIT, tdm_display_find_output_stamp);
 134         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_VBLANK, tdm_display_find_output_stamp);
 135         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_STATUS, tdm_display_find_output_stamp);
 136         tdm_thread_cb_set_find_func(TDM_THREAD_CB_OUTPUT_DPMS, tdm_display_find_output_stamp);
 137
 138
 139         return TDM_ERROR_NONE;
 140 }
 141
 142 EXTERN tdm_module *
 143 tdm_output_get_backend_module(tdm_output *output, tdm_error *error)
 144 {
 145         tdm_private_module *private_module;
 146
 147         OUTPUT_FUNC_ENTRY_ERROR();
 148
 149         _pthread_mutex_lock(&private_display->lock);
 150
 151         private_module = private_output->private_module;
 152
 153         if (error)
 154                 *error = TDM_ERROR_NONE;
 155
 156         _pthread_mutex_unlock(&private_display->lock);
 157
 158         return private_module;
 159 }
 160
 161 EXTERN tdm_error
 162 tdm_output_get_model_info(tdm_output *output, const char **maker,
 163                                                   const char **model, const char **name)
 164 {
 165         OUTPUT_FUNC_ENTRY();
 166
 167         _pthread_mutex_lock(&private_display->lock);
 168
 169         if (maker)
 170                 *maker = private_output->caps.maker;
 171         if (model)
 172                 *model = private_output->caps.model;
 173         if (name)
 174                 *name = private_output->caps.name;
 175
 176         _pthread_mutex_unlock(&private_display->lock);
 177
 178         return ret;
 179 }
 180
 181 EXTERN tdm_error
 182 tdm_output_get_capabilities(tdm_output *output, tdm_output_capability *capabilities)
 183 {
 184         OUTPUT_FUNC_ENTRY();
 185
 186         TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 187
 188         _pthread_mutex_lock(&private_display->lock);
 189
 190         *capabilities = private_output->caps.capabilities;
 191
 192         _pthread_mutex_unlock(&private_display->lock);
 193
 194         return ret;
 195 }
 196
 197 EXTERN tdm_error
 198 tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status)
 199 {
 200         OUTPUT_FUNC_ENTRY();
 201
 202         TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 203
 204         _pthread_mutex_lock(&private_display->lock);
 205
 206         *status = private_output->caps.status;
 207
 208         _pthread_mutex_unlock(&private_display->lock);
 209
 210         return ret;
 211 }
 212
 213 INTERN void
 214 tdm_output_thread_cb_change(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 215 {
 216         tdm_private_output *private_output = object;
 217         tdm_private_output_change_handler *change_handler = user_data;
 218         tdm_output_change_type type = TDM_OUTPUT_CHANGE_CONNECTION;
 219         tdm_value value = {.u32 = 0 };
 220
 221         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 222
 223         assert(change_handler->owner_tid == syscall(SYS_gettid));
 224
 225         if (cb_base->type == TDM_THREAD_CB_OUTPUT_STATUS) {
 226                 tdm_thread_cb_output_status *output_status = (tdm_thread_cb_output_status *)cb_base;
 227                 type = TDM_OUTPUT_CHANGE_CONNECTION;
 228                 value.u32 = output_status->status;
 229         } else if (cb_base->type == TDM_THREAD_CB_OUTPUT_DPMS) {
 230                 tdm_thread_cb_output_dpms *output_dpms = (tdm_thread_cb_output_dpms *)cb_base;
 231                 type = TDM_OUTPUT_CHANGE_DPMS;
 232                 value.u32 = output_dpms->dpms;
 233         } else {
 234                 TDM_NEVER_GET_HERE();
 235                 return;
 236         }
 237
 238         _pthread_mutex_unlock(&private_display->lock);
 239         change_handler->func(private_output, type, value, change_handler->user_data);
 240         _pthread_mutex_lock(&private_display->lock);
 241
 242 }
 243
 244 static tdm_error
 245 _tdm_output_call_thread_cb_status(tdm_private_output *private_output, tdm_output_conn_status status)
 246 {
 247         tdm_thread_cb_output_status output_status;
 248         pid_t caller_tid = syscall(SYS_gettid);
 249         tdm_error ret;
 250
 251         memset(&output_status, 0, sizeof output_status);
 252         output_status.base.type = TDM_THREAD_CB_OUTPUT_STATUS;
 253         output_status.base.length = sizeof output_status;
 254         output_status.base.object_stamp = private_output->stamp;
 255         output_status.base.data = NULL;
 256         if (tdm_thread_in_display_thread(caller_tid))
 257                 output_status.base.sync = 0;
 258         else
 259                 output_status.base.sync = 1;
 260         output_status.status = status;
 261
 262         ret = tdm_thread_cb_call(private_output, &output_status.base, 1);
 263         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 264
 265         return TDM_ERROR_NONE;
 266 }
 267
 268 static tdm_error
 269 _tdm_output_call_thread_cb_dpms(tdm_private_output *private_output, tdm_output_dpms dpms)
 270 {
 271         tdm_thread_cb_output_dpms output_dpms;
 272         tdm_error ret;
 273
 274         memset(&output_dpms, 0, sizeof output_dpms);
 275         output_dpms.base.type = TDM_THREAD_CB_OUTPUT_DPMS;
 276         output_dpms.base.length = sizeof output_dpms;
 277         output_dpms.base.object_stamp = private_output->stamp;
 278         output_dpms.base.data = NULL;
 279         output_dpms.base.sync = 0;
 280         output_dpms.dpms = dpms;
 281
 282         ret = tdm_thread_cb_call(private_output, &output_dpms.base, 1);
 283         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 284
 285         return TDM_ERROR_NONE;
 286 }
 287
 288 INTERN void
 289 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status, void *user_data)
 290 {
 291         tdm_private_output *private_output = user_data;
 292         tdm_error ret;
 293
 294         TDM_RETURN_IF_FAIL(private_output);
 295
 296         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(status));
 297
 298         if ((private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED && status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED) ||
 299                 (private_output->caps.status != TDM_OUTPUT_CONN_STATUS_DISCONNECTED && status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)) {
 300                 ret = tdm_display_update_output(private_output->private_module, output_backend, private_output->pipe, 1);
 301                 TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 302         } else {
 303                 private_output->caps.status = status;
 304         }
 305
 306         ret = _tdm_output_call_thread_cb_status(private_output, status);
 307         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 308 }
 309
 310 INTERN void
 311 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms, void *user_data)
 312 {
 313         tdm_private_output *private_output = user_data;
 314         tdm_error ret;
 315
 316         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(dpms));
 317
 318         private_output->current_dpms_value = dpms;
 319         private_output->waiting_dpms_change = 0;
 320         TDM_INFO("output(%d) dpms async '%s' done", private_output->pipe, tdm_dpms_str(dpms));
 321
 322         ret = _tdm_output_call_thread_cb_dpms(private_output, dpms);
 323         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 324 }
 325
 326 EXTERN tdm_error
 327 tdm_output_add_change_handler(tdm_output *output,
 328                                                           tdm_output_change_handler func,
 329                                                           void *user_data)
 330 {
 331         tdm_private_output_change_handler *change_handler = NULL;
 332         OUTPUT_FUNC_ENTRY();
 333
 334         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 335
 336         _pthread_mutex_lock(&private_display->lock);
 337
 338         LIST_FOR_EACH_ENTRY(change_handler, &private_output->change_handler_list, link) {
 339                 if (change_handler->func == func && change_handler->user_data == user_data) {
 340                         TDM_ERR("can't add twice");
 341                         _pthread_mutex_unlock(&private_display->lock);
 342                         return TDM_ERROR_BAD_REQUEST;
 343                 }
 344         }
 345
 346         change_handler = calloc(1, sizeof(tdm_private_output_change_handler));
 347         if (!change_handler) {
 348                 /* LCOV_EXCL_START */
 349                 TDM_ERR("failed: alloc memory");
 350                 _pthread_mutex_unlock(&private_display->lock);
 351                 return TDM_ERROR_OUT_OF_MEMORY;
 352                 /* LCOV_EXCL_STOP */
 353         }
 354
 355         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 356         if (ret != TDM_ERROR_NONE) {
 357                 /* LCOV_EXCL_START */
 358                 TDM_ERR("tdm_thread_cb_add failed");
 359                 free(change_handler);
 360                 _pthread_mutex_unlock(&private_display->lock);
 361                 return TDM_ERROR_OPERATION_FAILED;
 362                 /* LCOV_EXCL_STOP */
 363         }
 364
 365         ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, change_handler);
 366         if (ret != TDM_ERROR_NONE) {
 367                 /* LCOV_EXCL_START */
 368                 TDM_ERR("tdm_thread_cb_add failed");
 369                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 370                 free(change_handler);
 371                 _pthread_mutex_unlock(&private_display->lock);
 372                 return TDM_ERROR_OPERATION_FAILED;
 373                 /* LCOV_EXCL_STOP */
 374         }
 375
 376         change_handler->private_output = private_output;
 377         change_handler->func = func;
 378         change_handler->user_data = user_data;
 379         change_handler->owner_tid = syscall(SYS_gettid);
 380
 381         LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list);
 382
 383         _pthread_mutex_unlock(&private_display->lock);
 384
 385         return ret;
 386 }
 387
 388 EXTERN void
 389 tdm_output_remove_change_handler(tdm_output *output,
 390                                                                  tdm_output_change_handler func,
 391                                                                  void *user_data)
 392 {
 393         tdm_private_display *private_display;
 394         tdm_private_output *private_output;
 395         tdm_private_output_change_handler *change_handler = NULL, *hh = NULL;
 396
 397         TDM_RETURN_IF_FAIL(output != NULL);
 398         TDM_RETURN_IF_FAIL(func != NULL);
 399
 400         private_output = (tdm_private_output*)output;
 401         private_display = private_output->private_display;
 402
 403         _pthread_mutex_lock(&private_display->lock);
 404
 405         LIST_FOR_EACH_ENTRY_SAFE(change_handler, hh, &private_output->change_handler_list, link) {
 406                 if (change_handler->func != func || change_handler->user_data != user_data)
 407                         continue;
 408
 409                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, change_handler);
 410                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, change_handler);
 411
 412                 LIST_DEL(&change_handler->link);
 413                 free(change_handler);
 414
 415                 _pthread_mutex_unlock(&private_display->lock);
 416
 417                 return;
 418         }
 419
 420         _pthread_mutex_unlock(&private_display->lock);
 421 }
 422
 423 EXTERN tdm_error
 424 tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
 425 {
 426         OUTPUT_FUNC_ENTRY();
 427
 428         TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
 429
 430         _pthread_mutex_lock(&private_display->lock);
 431
 432         *type = private_output->caps.type;
 433
 434         _pthread_mutex_unlock(&private_display->lock);
 435
 436         return ret;
 437 }
 438
 439 EXTERN tdm_error
 440 tdm_output_get_layer_count(tdm_output *output, int *count)
 441 {
 442         tdm_private_layer *private_layer = NULL;
 443
 444         OUTPUT_FUNC_ENTRY();
 445
 446         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 447
 448         _pthread_mutex_lock(&private_display->lock);
 449
 450         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 451                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 452                 *count = 0;
 453                 _pthread_mutex_unlock(&private_display->lock);
 454                 return TDM_ERROR_BAD_REQUEST;
 455         }
 456
 457         *count = 0;
 458         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
 459         (*count)++;
 460         if (*count == 0) {
 461                 _pthread_mutex_unlock(&private_display->lock);
 462                 return TDM_ERROR_NONE;
 463         }
 464
 465         _pthread_mutex_unlock(&private_display->lock);
 466
 467         return ret;
 468 }
 469
 470
 471 EXTERN tdm_layer *
 472 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 473 {
 474         tdm_private_layer *private_layer = NULL;
 475
 476         OUTPUT_FUNC_ENTRY_ERROR();
 477
 478         _pthread_mutex_lock(&private_display->lock);
 479
 480         if (error)
 481                 *error = TDM_ERROR_NONE;
 482
 483         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 484                 _pthread_mutex_unlock(&private_display->lock);
 485                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 486                 if (error)
 487                         *error = TDM_ERROR_BAD_REQUEST;
 488                 return NULL;
 489         }
 490
 491         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 492                 if (private_layer->index == index) {
 493                         _pthread_mutex_unlock(&private_display->lock);
 494                         return private_layer;
 495                 }
 496         }
 497
 498         _pthread_mutex_unlock(&private_display->lock);
 499
 500         return NULL;
 501 }
 502
 503 EXTERN tdm_error
 504 tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
 505                                                                         int *count)
 506 {
 507         OUTPUT_FUNC_ENTRY();
 508
 509         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 510         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 511
 512         _pthread_mutex_lock(&private_display->lock);
 513
 514         *props = (const tdm_prop *)private_output->caps.props;
 515         *count = private_output->caps.prop_count;
 516
 517         _pthread_mutex_unlock(&private_display->lock);
 518
 519         return ret;
 520 }
 521
 522 EXTERN tdm_error
 523 tdm_output_get_available_modes(tdm_output *output,
 524                                                            const tdm_output_mode **modes, int *count)
 525 {
 526         OUTPUT_FUNC_ENTRY();
 527
 528         TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
 529         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 530
 531         _pthread_mutex_lock(&private_display->lock);
 532
 533         *modes = (const tdm_output_mode *)private_output->caps.modes;
 534         *count = private_output->caps.mode_count;
 535
 536         _pthread_mutex_unlock(&private_display->lock);
 537
 538         return ret;
 539 }
 540
 541 EXTERN tdm_error
 542 tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
 543                                                           int *max_w, int *max_h, int *preferred_align)
 544 {
 545         OUTPUT_FUNC_ENTRY();
 546
 547         _pthread_mutex_lock(&private_display->lock);
 548
 549         if (min_w)
 550                 *min_w = TDM_FRONT_VALUE(private_output->caps.min_w);
 551         if (min_h)
 552                 *min_h = TDM_FRONT_VALUE(private_output->caps.min_h);
 553         if (max_w)
 554                 *max_w = TDM_FRONT_VALUE(private_output->caps.max_w);
 555         if (max_h)
 556                 *max_h = TDM_FRONT_VALUE(private_output->caps.max_h);
 557         if (preferred_align)
 558                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.preferred_align);
 559
 560         _pthread_mutex_unlock(&private_display->lock);
 561
 562         return ret;
 563 }
 564
 565 EXTERN tdm_error
 566 tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
 567                                                                          int *max_w, int *max_h, int *preferred_align)
 568 {
 569         OUTPUT_FUNC_ENTRY();
 570
 571         _pthread_mutex_lock(&private_display->lock);
 572
 573         if (!tdm_module_check_abi(private_output->private_module, 1, 5)) {
 574                 _pthread_mutex_unlock(&private_display->lock);
 575                 return TDM_ERROR_BAD_REQUEST;
 576         }
 577
 578         if (min_w)
 579                 *min_w = TDM_FRONT_VALUE(private_output->caps.cursor_min_w);
 580         if (min_h)
 581                 *min_h = TDM_FRONT_VALUE(private_output->caps.cursor_min_h);
 582         if (max_w)
 583                 *max_w = TDM_FRONT_VALUE(private_output->caps.cursor_max_w);
 584         if (max_h)
 585                 *max_h = TDM_FRONT_VALUE(private_output->caps.cursor_max_h);
 586         if (preferred_align)
 587                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.cursor_preferred_align);
 588
 589         _pthread_mutex_unlock(&private_display->lock);
 590
 591         return ret;
 592 }
 593
 594 EXTERN tdm_error
 595 tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
 596                                                          unsigned int *mmHeight)
 597 {
 598         OUTPUT_FUNC_ENTRY();
 599
 600         _pthread_mutex_lock(&private_display->lock);
 601
 602         if (mmWidth)
 603                 *mmWidth = private_output->caps.mmWidth;
 604         if (mmHeight)
 605                 *mmHeight = private_output->caps.mmHeight;
 606
 607         _pthread_mutex_unlock(&private_display->lock);
 608
 609         return ret;
 610 }
 611
 612 EXTERN tdm_error
 613 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
 614 {
 615         OUTPUT_FUNC_ENTRY();
 616         TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
 617
 618         _pthread_mutex_lock(&private_display->lock);
 619
 620         *subpixel = private_output->caps.subpixel;
 621
 622         _pthread_mutex_unlock(&private_display->lock);
 623
 624         return ret;
 625 }
 626
 627 EXTERN tdm_error
 628 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
 629 {
 630         OUTPUT_FUNC_ENTRY();
 631         TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
 632
 633         _pthread_mutex_lock(&private_display->lock);
 634
 635         *pipe = private_output->pipe;
 636
 637         _pthread_mutex_unlock(&private_display->lock);
 638
 639         return ret;
 640 }
 641
 642 EXTERN tdm_error
 643 tdm_output_get_primary_index(tdm_output *output, int *index)
 644 {
 645         tdm_private_layer *private_layer = NULL;
 646
 647         OUTPUT_FUNC_ENTRY();
 648         TDM_RETURN_VAL_IF_FAIL(index != NULL, TDM_ERROR_INVALID_PARAMETER);
 649
 650         _pthread_mutex_lock(&private_display->lock);
 651
 652         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 653                 if (private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_PRIMARY) {
 654                         *index = private_layer->index;
 655                         break;
 656                 }
 657         }
 658
 659         _pthread_mutex_unlock(&private_display->lock);
 660
 661         return ret;
 662 }
 663
 664 EXTERN tdm_error
 665 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
 666 {
 667         tdm_private_module *private_module;
 668         tdm_func_output *func_output;
 669         OUTPUT_FUNC_ENTRY();
 670
 671         _pthread_mutex_lock(&private_display->lock);
 672
 673         private_module = private_output->private_module;
 674         func_output = &private_module->func_output;
 675
 676         if (!func_output->output_set_property) {
 677                 /* LCOV_EXCL_START */
 678                 _pthread_mutex_unlock(&private_display->lock);
 679                 TDM_WRN("not implemented!!");
 680                 return TDM_ERROR_NOT_IMPLEMENTED;
 681                 /* LCOV_EXCL_STOP */
 682         }
 683
 684         ret = func_output->output_set_property(private_output->output_backend, id,
 685                                                                                    value);
 686
 687         _pthread_mutex_unlock(&private_display->lock);
 688
 689         return ret;
 690 }
 691
 692 EXTERN tdm_error
 693 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 694 {
 695         tdm_private_module *private_module;
 696         tdm_func_output *func_output;
 697         OUTPUT_FUNC_ENTRY();
 698
 699         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 700
 701         _pthread_mutex_lock(&private_display->lock);
 702
 703         private_module = private_output->private_module;
 704         func_output = &private_module->func_output;
 705
 706         if (!func_output->output_get_property) {
 707                 /* LCOV_EXCL_START */
 708                 _pthread_mutex_unlock(&private_display->lock);
 709                 TDM_WRN("not implemented!!");
 710                 return TDM_ERROR_NOT_IMPLEMENTED;
 711                 /* LCOV_EXCL_STOP */
 712         }
 713
 714         ret = func_output->output_get_property(private_output->output_backend, id,
 715                                                                                    value);
 716
 717         _pthread_mutex_unlock(&private_display->lock);
 718
 719         return ret;
 720 }
 721
 722 static void
 723 _tdm_output_thread_cb_vblank(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 724 {
 725         tdm_thread_cb_output_vblank *output_vblank = (tdm_thread_cb_output_vblank *)cb_base;
 726         tdm_private_output_vblank_handler *vblank_handler = output_vblank->base.data;
 727         tdm_private_output_vblank_handler *v = NULL, *vv = NULL;
 728         tdm_private_output *private_output = object;
 729         struct list_head clone_list;
 730         int interval, sync;
 731         pid_t tid = syscall(SYS_gettid);
 732
 733         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 734
 735         assert(vblank_handler->owner_tid == tid);
 736
 737         vblank_handler->sent_to_frontend = 0;
 738
 739         _tdm_output_vblank_timeout_update(private_output, 0);
 740
 741         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 742
 743         interval = vblank_handler->interval;
 744         sync = vblank_handler->sync;
 745
 746         LIST_INITHEAD(&clone_list);
 747
 748         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 749                 if (v->interval != interval || v->sync != sync || v->owner_tid != tid)
 750                         continue;
 751
 752                 LIST_DEL(&v->link);
 753                 LIST_ADDTAIL(&v->link, &clone_list);
 754         }
 755
 756         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 757                 TDM_INFO("----------------------------------------- output(%d) got vblank", private_output->pipe);
 758
 759         _pthread_mutex_unlock(&private_display->lock);
 760         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &clone_list, link) {
 761                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 762                         TDM_INFO("handler(%p)", v);
 763
 764                 LIST_DEL(&v->link);
 765
 766                 if (v->func)
 767                         v->func(v->private_output,
 768                                         output_vblank->sequence,
 769                                         output_vblank->tv_sec,
 770                                         output_vblank->tv_usec,
 771                                         v->user_data);
 772
 773                 free(v);
 774         }
 775         _pthread_mutex_lock(&private_display->lock);
 776
 777         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 778                 TDM_INFO("-----------------------------------------...");
 779 }
 780
 781 static void
 782 _tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 783                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 784 {
 785         tdm_private_output_vblank_handler *vblank_handler = user_data;
 786         tdm_thread_cb_output_vblank output_vblank;
 787         tdm_error ret;
 788
 789         memset(&output_vblank, 0, sizeof output_vblank);
 790         output_vblank.base.type = TDM_THREAD_CB_OUTPUT_VBLANK;
 791         output_vblank.base.length = sizeof output_vblank;
 792         output_vblank.base.object_stamp = vblank_handler->private_output->stamp;
 793         output_vblank.base.data = vblank_handler;
 794         output_vblank.base.sync = 0;
 795         output_vblank.sequence = sequence;
 796         output_vblank.tv_sec = tv_sec;
 797         output_vblank.tv_usec = tv_usec;
 798
 799         vblank_handler->sent_to_frontend = 1;
 800
 801         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 802                 TDM_INFO("output(%d) wait_vblank: handler(%p)", vblank_handler->private_output->pipe, vblank_handler);
 803
 804         ret = tdm_thread_cb_call(vblank_handler->private_output, &output_vblank.base, 1);
 805         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 806 }
 807
 808 static void
 809 _tdm_output_thread_cb_commit(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
 810 {
 811         tdm_thread_cb_output_commit *output_commit = (tdm_thread_cb_output_commit *)cb_base;
 812         tdm_private_output_commit_handler *output_commit_handler = output_commit->base.data;
 813         tdm_private_output *private_output = object;
 814         tdm_private_layer *private_layer = NULL;
 815
 816         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 817
 818         if (!output_commit_handler)
 819                 return;
 820
 821         assert(output_commit_handler->owner_tid == syscall(SYS_gettid));
 822
 823         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
 824
 825         LIST_DEL(&output_commit_handler->link);
 826
 827         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
 828                 TDM_INFO("----------------------------------------- output(%d) committed", private_output->pipe);
 829                 TDM_INFO("handler(%p)", output_commit_handler);
 830         }
 831
 832         if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
 833                 /* In case of layer commit, the below will be handled in the layer commit callback */
 834                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 835                         if (private_layer->committed_buffer)
 836                                 tdm_layer_committed(private_layer, &private_layer->committed_buffer);
 837                 }
 838         }
 839
 840         if (output_commit_handler->func) {
 841                 _pthread_mutex_unlock(&private_display->lock);
 842                 output_commit_handler->func(private_output,
 843                                                                         output_commit->sequence,
 844                                                                         output_commit->tv_sec,
 845                                                                         output_commit->tv_usec,
 846                                                                         output_commit_handler->user_data);
 847                 _pthread_mutex_lock(&private_display->lock);
 848         }
 849
 850         free(output_commit_handler);
 851
 852         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 853                 TDM_INFO("-----------------------------------------...");
 854 }
 855
 856 static void
 857 _tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 858                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 859 {
 860         tdm_private_output_commit_handler *output_commit_handler = user_data;
 861         tdm_private_output *private_output;
 862         tdm_thread_cb_output_commit output_commit;
 863         tdm_error ret;
 864
 865         if (output_commit_handler)
 866                 private_output = output_commit_handler->private_output;
 867         else
 868                 private_output = tdm_display_find_private_output(tdm_display_get(), output_backend);
 869
 870         memset(&output_commit, 0, sizeof output_commit);
 871         output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
 872         output_commit.base.length = sizeof output_commit;
 873         output_commit.base.object_stamp = private_output->stamp;
 874         output_commit.base.data = output_commit_handler;
 875         output_commit.base.sync = 0;
 876         output_commit.sequence = sequence;
 877         output_commit.tv_sec = tv_sec;
 878         output_commit.tv_usec = tv_usec;
 879
 880         ret = tdm_thread_cb_call(private_output, &output_commit.base, 1);
 881         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 882 }
 883
 884 /* add_front: To distinguish between the user vblank handlers and the layer
 885  *            commit vblank handlers. The layer commit handlers will be called
 886  *            before calling the user vblank handlers.
 887  */
 888 static tdm_error
 889 _tdm_output_wait_vblank(tdm_private_output *private_output, int interval, int sync,
 890                                                 tdm_output_vblank_handler func, void *user_data,
 891                                                 unsigned int add_front)
 892 {
 893         tdm_private_module *private_module;
 894         tdm_func_output *func_output;
 895         tdm_private_output_vblank_handler *vblank_handler = NULL, *v = NULL;
 896         unsigned int skip_request = 0;
 897         pid_t tid = syscall(SYS_gettid);
 898         tdm_error ret = TDM_ERROR_NONE;
 899
 900         private_module = private_output->private_module;
 901         func_output = &private_module->func_output;
 902
 903         /* interval SHOULD be at least 1 */
 904         if (interval <= 0)
 905                 interval = 1;
 906
 907         if (!func_output->output_wait_vblank) {
 908                 /* LCOV_EXCL_START */
 909                 TDM_WRN("not implemented!!");
 910                 return TDM_ERROR_NOT_IMPLEMENTED;
 911                 /* LCOV_EXCL_STOP */
 912         }
 913
 914         if (!private_output->regist_vblank_cb) {
 915                 private_output->regist_vblank_cb = 1;
 916                 ret = func_output->output_set_vblank_handler(private_output->output_backend,
 917                                 _tdm_output_cb_vblank);
 918         }
 919
 920         vblank_handler = calloc(1, sizeof(tdm_private_output_vblank_handler));
 921         if (!vblank_handler) {
 922                 /* LCOV_EXCL_START */
 923                 TDM_ERR("failed: alloc memory");
 924                 return TDM_ERROR_OUT_OF_MEMORY;
 925                 /* LCOV_EXCL_STOP */
 926         }
 927
 928         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 929                 TDM_INFO("output(%d) wait_vblank: handler(%p)", private_output->pipe, vblank_handler);
 930
 931         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 932                 if (v->interval == interval && v->sync == sync && v->owner_tid == tid) {
 933                         skip_request = 1;
 934                         break;
 935                 }
 936         }
 937
 938         if (add_front)
 939                 LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
 940         else
 941                 LIST_ADDTAIL(&vblank_handler->link, &private_output->vblank_handler_list);
 942
 943         vblank_handler->private_output = private_output;
 944         vblank_handler->interval = interval;
 945         vblank_handler->sync = sync;
 946         vblank_handler->func = func;
 947         vblank_handler->user_data = user_data;
 948         vblank_handler->owner_tid = tid;
 949
 950         /* If there is the previous request, we can skip to call output_wait_vblank() */
 951         if (!skip_request) {
 952                 ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 953                 if (ret != TDM_ERROR_NONE) {
 954                         TDM_ERR("tdm_thread_cb_add failed");
 955                         goto wait_failed;
 956                 }
 957
 958                 ret = func_output->output_wait_vblank(private_output->output_backend, interval,
 959                                                                                           sync, vblank_handler);
 960                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 961
 962                 _tdm_output_vblank_timeout_update(private_output, 1000);
 963
 964                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 965                         TDM_INFO("output(%d) backend wait_vblank", private_output->pipe);
 966         }
 967
 968         return ret;
 969
 970 wait_failed:
 971         /* LCOV_EXCL_START */
 972         if (vblank_handler) {
 973                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_VBLANK, vblank_handler, _tdm_output_thread_cb_vblank, NULL);
 974                 LIST_DEL(&vblank_handler->link);
 975                 free(vblank_handler);
 976         }
 977         return ret;
 978         /* LCOV_EXCL_STOP */
 979 }
 980
 981 EXTERN tdm_error
 982 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 983                                            tdm_output_vblank_handler func, void *user_data)
 984 {
 985         OUTPUT_FUNC_ENTRY();
 986         TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_ERROR_INVALID_PARAMETER);
 987
 988         _pthread_mutex_lock(&private_display->lock);
 989
 990         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
 991                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 992                                 tdm_dpms_str(private_output->current_dpms_value));
 993                 _pthread_mutex_unlock(&private_display->lock);
 994                 return TDM_ERROR_DPMS_OFF;
 995         }
 996
 997         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 0);
 998
 999         _pthread_mutex_unlock(&private_display->lock);
1000
1001         return ret;
1002 }
1003
1004 /* LCOV_EXCL_START */
1005 EXTERN tdm_error
1006 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
1007                                                                  tdm_output_vblank_handler func, void *user_data)
1008 {
1009         OUTPUT_FUNC_ENTRY();
1010
1011         _pthread_mutex_lock(&private_display->lock);
1012
1013         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1014                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
1015                                 tdm_dpms_str(private_output->current_dpms_value));
1016                 _pthread_mutex_unlock(&private_display->lock);
1017                 return TDM_ERROR_DPMS_OFF;
1018         }
1019
1020         ret = _tdm_output_wait_vblank(private_output, interval, sync, func, user_data, 1);
1021
1022         _pthread_mutex_unlock(&private_display->lock);
1023
1024         return ret;
1025 }
1026 /* LCOV_EXCL_STOP */
1027
1028 INTERN void
1029 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
1030 {
1031         tdm_private_output *private_output = (tdm_private_output*)output;
1032         tdm_private_output_vblank_handler *v = NULL;
1033
1034         TDM_RETURN_IF_FAIL(private_output != NULL);
1035         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1036
1037         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
1038                 if (v->func == func && v->user_data == user_data) {
1039                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1040                         v->func = NULL;
1041                         v->user_data = NULL;
1042                         break;
1043                 }
1044         }
1045 }
1046
1047 INTERN void
1048 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1049 {
1050         tdm_private_output *private_output = (tdm_private_output*)output;
1051         tdm_private_output_commit_handler *c = NULL;
1052
1053         TDM_RETURN_IF_FAIL(private_output != NULL);
1054         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1055
1056         LIST_FOR_EACH_ENTRY(c, &private_output->output_commit_handler_list, link) {
1057                 if (c->func == func && c->user_data == user_data) {
1058                         /* only set func & user_data to NULL. It will be freed when an event occurs */
1059                         c->func = NULL;
1060                         c->user_data = NULL;
1061                         break;
1062                 }
1063         }
1064 }
1065
1066 EXTERN tdm_error
1067 tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
1068 {
1069         OUTPUT_FUNC_ENTRY();
1070
1071         _pthread_mutex_lock(&private_display->lock);
1072
1073         tdm_output_remove_vblank_handler_internal(output, func, user_data);
1074
1075         _pthread_mutex_unlock(&private_display->lock);
1076
1077         return ret;
1078 }
1079
1080 EXTERN tdm_error
1081 tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data)
1082 {
1083         OUTPUT_FUNC_ENTRY();
1084
1085         _pthread_mutex_lock(&private_display->lock);
1086
1087         tdm_output_remove_commit_handler_internal(output, func, user_data);
1088
1089         _pthread_mutex_unlock(&private_display->lock);
1090
1091         return ret;
1092 }
1093
1094 INTERN tdm_error
1095 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
1096 {
1097         tdm_private_output *private_output;
1098         tdm_private_module *private_module;
1099         tdm_func_output *func_output;
1100         tdm_private_output_commit_handler *output_commit_handler = NULL;
1101         tdm_private_layer *private_layer = NULL;
1102         tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
1103         tdm_error ret = TDM_ERROR_NONE;
1104
1105         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
1106
1107         private_output = (tdm_private_output*)output;
1108         private_module = private_output->private_module;
1109         func_output = &private_module->func_output;
1110
1111         if (!func_output->output_commit) {
1112                 /* LCOV_EXCL_START */
1113                 TDM_WRN("not implemented!!");
1114                 return TDM_ERROR_NOT_IMPLEMENTED;
1115                 /* LCOV_EXCL_STOP */
1116         }
1117
1118         ret = tdm_output_get_dpms_internal(output, &dpms_value);
1119         TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
1120
1121         if (!TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1122                 if (!private_output->regist_commit_cb) {
1123                         private_output->regist_commit_cb = 1;
1124                         ret = func_output->output_set_commit_handler(private_output->output_backend, _tdm_output_cb_commit);
1125                         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1126                 }
1127
1128                 output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
1129                 if (!output_commit_handler) {
1130                         /* LCOV_EXCL_START */
1131                         TDM_ERR("failed: alloc memory");
1132                         return TDM_ERROR_OUT_OF_MEMORY;
1133                         /* LCOV_EXCL_STOP */
1134                 }
1135
1136                 ret = tdm_thread_cb_add(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1137                 if (ret != TDM_ERROR_NONE) {
1138                         TDM_ERR("tdm_thread_cb_add failed");
1139                         free(output_commit_handler);
1140                         return ret;
1141                 }
1142
1143                 LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
1144                 output_commit_handler->private_output = private_output;
1145                 output_commit_handler->func = func;
1146                 output_commit_handler->user_data = user_data;
1147                 output_commit_handler->owner_tid = syscall(SYS_gettid);
1148
1149                 ret = func_output->output_commit(private_output->output_backend, sync,
1150                                 output_commit_handler);
1151                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
1152
1153                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
1154                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
1155                                         private_output->pipe, output_commit_handler, func, user_data);
1156         }
1157
1158         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
1159          * for tdm_layer_committed() function.
1160          */
1161         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1162                 if (!private_layer->waiting_buffer)
1163                         continue;
1164
1165                 if (private_layer->committed_buffer) {
1166                         tdm_layer_free_buffer(private_layer, private_layer->committed_buffer);
1167                         private_layer->committed_buffer = NULL;
1168                         if (tdm_debug_module & TDM_DEBUG_BUFFER)
1169                                 TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
1170                                                  private_layer, private_layer->waiting_buffer->buffer,
1171                                                  private_layer->committed_buffer);
1172                 }
1173
1174                 private_layer->committed_buffer = private_layer->waiting_buffer;
1175                 private_layer->waiting_buffer = NULL;
1176                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
1177                         TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
1178                                          private_layer, private_layer->waiting_buffer,
1179                                          private_layer->committed_buffer->buffer);
1180         }
1181
1182         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms_value)) {
1183                 TDM_WRN("dpms %s. Directly call commit handler instead of commit.", tdm_dpms_str(dpms_value));
1184                 if (func)
1185                         func(output, 0, 0, 0, user_data);
1186         }
1187
1188         return ret;
1189
1190 commit_failed:
1191         /* LCOV_EXCL_START */
1192         if (output_commit_handler) {
1193                 tdm_thread_cb_remove(private_output, TDM_THREAD_CB_OUTPUT_COMMIT, output_commit_handler, _tdm_output_thread_cb_commit, NULL);
1194                 LIST_DEL(&output_commit_handler->link);
1195                 free(output_commit_handler);
1196         }
1197         return ret;
1198         /* LCOV_EXCL_STOP */
1199 }
1200
1201 EXTERN tdm_error
1202 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
1203                                   void *user_data)
1204 {
1205         tdm_private_layer *private_layer = NULL;
1206
1207         OUTPUT_FUNC_ENTRY();
1208
1209         _pthread_mutex_lock(&private_display->lock);
1210
1211         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE)
1212                 private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
1213         else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1214                 TDM_ERR("Can't supported. Use tdm_layer_commit");
1215                 _pthread_mutex_unlock(&private_display->lock);
1216                 return TDM_ERROR_BAD_REQUEST;
1217         }
1218
1219         if (private_output->commit_per_vblank) {
1220                 TDM_ERR("Use tdm_layer_commit");
1221                 _pthread_mutex_unlock(&private_display->lock);
1222                 return TDM_ERROR_BAD_REQUEST;
1223         }
1224
1225         if (TDM_OUTPUT_DPMS_VSYNC_IS_OFF(private_output->current_dpms_value)) {
1226                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
1227                                 tdm_dpms_str(private_output->current_dpms_value));
1228                 _pthread_mutex_unlock(&private_display->lock);
1229                 return TDM_ERROR_DPMS_OFF;
1230         }
1231
1232         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1233                 TDM_INFO("output(%d) commit", private_output->pipe);
1234
1235         /* apply the pending data of all layers */
1236         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1237                 tdm_layer_commit_pending_data(private_layer);
1238         }
1239
1240         ret = tdm_output_commit_internal(output, sync, func, user_data);
1241
1242         _pthread_mutex_unlock(&private_display->lock);
1243
1244         return ret;
1245 }
1246
1247 EXTERN tdm_error
1248 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
1249 {
1250         tdm_private_module *private_module;
1251         tdm_func_output *func_output;
1252         OUTPUT_FUNC_ENTRY();
1253
1254         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1255
1256         _pthread_mutex_lock(&private_display->lock);
1257
1258         private_module = private_output->private_module;
1259         func_output = &private_module->func_output;
1260
1261         if (!func_output->output_set_mode) {
1262                 /* LCOV_EXCL_START */
1263                 _pthread_mutex_unlock(&private_display->lock);
1264                 TDM_WRN("not implemented!!");
1265                 return TDM_ERROR_NOT_IMPLEMENTED;
1266                 /* LCOV_EXCL_STOP */
1267         }
1268
1269         ret = func_output->output_set_mode(private_output->output_backend, mode);
1270         if (ret == TDM_ERROR_NONE) {
1271                 private_output->current_mode = mode;
1272                 private_output->need_set_target_info = 1;
1273                 TDM_INFO("mode: %dx%d %dhz", mode->hdisplay, mode->vdisplay, mode->vrefresh);
1274         }
1275
1276         _pthread_mutex_unlock(&private_display->lock);
1277
1278         return ret;
1279 }
1280
1281 EXTERN tdm_error
1282 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
1283 {
1284         OUTPUT_FUNC_ENTRY();
1285
1286         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1287
1288         _pthread_mutex_lock(&private_display->lock);
1289
1290         *mode = private_output->current_mode;
1291
1292         _pthread_mutex_unlock(&private_display->lock);
1293
1294         return ret;
1295 }
1296
1297 EXTERN tdm_error
1298 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1299 {
1300         tdm_private_module *private_module;
1301         tdm_func_output *func_output;
1302         OUTPUT_FUNC_ENTRY();
1303
1304         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1305                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1306                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1307                         return TDM_ERROR_BAD_REQUEST;
1308                 }
1309
1310                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1311                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1312                                         private_output->pipe, tdm_dpms_str(dpms_value));
1313                         return TDM_ERROR_BAD_REQUEST;
1314                 }
1315         }
1316
1317         _pthread_mutex_lock(&private_display->lock);
1318
1319         if (private_output->waiting_dpms_change) {
1320                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1321                 _pthread_mutex_unlock(&private_display->lock);
1322                 return TDM_ERROR_BAD_REQUEST;
1323         }
1324
1325         private_module = private_output->private_module;
1326         func_output = &private_module->func_output;
1327
1328         TDM_INFO("output(%d) dpms '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1329
1330         if (func_output->output_set_dpms)
1331                 ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1332         else {
1333                 /* LCOV_EXCL_START */
1334                 ret = TDM_ERROR_NONE;
1335                 TDM_WRN("not implemented!!");
1336                 goto done;
1337                 /* LCOV_EXCL_STOP */
1338         }
1339
1340 done:
1341         if (ret == TDM_ERROR_NONE) {
1342                 if (private_output->current_dpms_value != dpms_value) {
1343                         private_output->current_dpms_value = dpms_value;
1344                         _tdm_output_call_thread_cb_dpms(private_output, dpms_value);
1345                 }
1346                 TDM_INFO("output(%d) dpms '%s' done", private_output->pipe, tdm_dpms_str(dpms_value));
1347         } else {
1348                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1349
1350                 /* update current_dpms_value forcely */
1351                 tdm_output_get_dpms_internal(output, &temp);
1352
1353                 TDM_ERR("output(%d) set_dpms failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1354         }
1355
1356         _pthread_mutex_unlock(&private_display->lock);
1357
1358         return ret;
1359 }
1360
1361 /* LCOV_EXCL_START */
1362 EXTERN tdm_error
1363 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
1364 {
1365         tdm_private_module *private_module;
1366         tdm_func_output *func_output;
1367         OUTPUT_FUNC_ENTRY();
1368
1369         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_ASYNC_DPMS)) {
1370                 TDM_ERR("output doesn't support the asynchronous DPMS control!");
1371                 return TDM_ERROR_BAD_REQUEST;
1372         }
1373
1374         if (dpms_value > TDM_OUTPUT_DPMS_OFF) {
1375                 if (dpms_value & TDM_OUTPUT_DPMS_DEFAULT_MASK) {
1376                         TDM_ERR("Don't use the low-4bit for an extended DPMS mode: dpms_value(%x)", dpms_value);
1377                         return TDM_ERROR_BAD_REQUEST;
1378                 }
1379
1380                 if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_EXTENDED_DPMS)) {
1381                         TDM_ERR("output(%d) doesn't support the extended DPMS control: '%s'",
1382                                         private_output->pipe, tdm_dpms_str(dpms_value));
1383                         return TDM_ERROR_BAD_REQUEST;
1384                 }
1385         }
1386
1387         _pthread_mutex_lock(&private_display->lock);
1388
1389         if (private_output->waiting_dpms_change) {
1390                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1391                 _pthread_mutex_unlock(&private_display->lock);
1392                 return TDM_ERROR_BAD_REQUEST;
1393         }
1394
1395         private_module = private_output->private_module;
1396         func_output = &private_module->func_output;
1397         if (!func_output->output_set_dpms_handler) {
1398                 TDM_WRN("not implemented: output_set_dpms_handler");
1399                 _pthread_mutex_unlock(&private_display->lock);
1400                 return TDM_ERROR_NOT_IMPLEMENTED;
1401         }
1402
1403         if (!func_output->output_set_dpms_async) {
1404                 TDM_WRN("not implemented: output_set_dpms_async");
1405                 _pthread_mutex_unlock(&private_display->lock);
1406                 return TDM_ERROR_NOT_IMPLEMENTED;
1407         }
1408
1409         if (!private_output->regist_dpms_cb) {
1410                 private_output->regist_dpms_cb = 1;
1411                 ret = func_output->output_set_dpms_handler(private_output->output_backend,
1412                                 tdm_output_cb_dpms, private_output);
1413                 if (ret != TDM_ERROR_NONE) {
1414                         _pthread_mutex_unlock(&private_display->lock);
1415                         TDM_ERR("Can't set the dpms handler!!");
1416                         return ret;
1417                 }
1418         }
1419
1420         TDM_INFO("output(%d) dpms async '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1421
1422         ret = func_output->output_set_dpms_async(private_output->output_backend, dpms_value);
1423
1424         if (ret == TDM_ERROR_NONE) {
1425                 private_output->waiting_dpms_change = 1;
1426                 TDM_INFO("output(%d) dpms async '%s' waiting", private_output->pipe, tdm_dpms_str(dpms_value));
1427         } else {
1428                 tdm_output_dpms temp = TDM_OUTPUT_DPMS_OFF;
1429
1430                 /* update current_dpms_value forcely */
1431                 tdm_output_get_dpms_internal(output, &temp);
1432
1433                 TDM_ERR("output(%d) set_dpms_async failed: dpms '%s'", private_output->pipe, tdm_dpms_str(temp));
1434         }
1435
1436         _pthread_mutex_unlock(&private_display->lock);
1437
1438         return ret;
1439 }
1440 /* LCOV_EXCL_STOP */
1441
1442 INTERN tdm_error
1443 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1444 {
1445         tdm_private_output *private_output;
1446         tdm_private_module *private_module;
1447         tdm_func_output *func_output;
1448         tdm_error ret = TDM_ERROR_NONE;
1449
1450         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER);
1451
1452         private_output = (tdm_private_output*)output;
1453
1454         /* TODO: this is ugly. But before calling backend's output_get_dpms(), we have
1455          * to check if all backends's DPMS operation has no problem. In future, we'd
1456          * better use new env instead of using commit_per_vblank variable to distinguish
1457          * whether we use the stored value or backend's output_get_dpms.
1458          */
1459         if (!private_output->commit_per_vblank) {
1460                 *dpms_value = private_output->current_dpms_value;
1461                 return TDM_ERROR_NONE;
1462         }
1463
1464         private_module = private_output->private_module;
1465         func_output = &private_module->func_output;
1466
1467         if (!func_output->output_get_dpms) {
1468                 /* LCOV_EXCL_START */
1469                 *dpms_value = private_output->current_dpms_value;
1470                 TDM_WRN("not implemented!!");
1471                 return TDM_ERROR_NONE;
1472                 /* LCOV_EXCL_STOP */
1473         }
1474
1475         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1476         if (ret != TDM_ERROR_NONE) {
1477                 /* LCOV_EXCL_START */
1478                 TDM_ERR("output_get_dpms failed");
1479                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1480                 /* LCOV_EXCL_STOP */
1481         }
1482
1483         /* checking with backend's value */
1484         if (*dpms_value != private_output->current_dpms_value) {
1485                 TDM_ERR("output(%d) dpms changed suddenly: %s -> %s",
1486                                 private_output->pipe, tdm_dpms_str(private_output->current_dpms_value),
1487                                 tdm_dpms_str(*dpms_value));
1488                 private_output->current_dpms_value = *dpms_value;
1489                 _tdm_output_call_thread_cb_dpms(private_output, *dpms_value);
1490         }
1491
1492         return ret;
1493 }
1494
1495 EXTERN tdm_error
1496 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1497 {
1498         OUTPUT_FUNC_ENTRY();
1499
1500         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1501
1502         _pthread_mutex_lock(&private_display->lock);
1503
1504         ret = tdm_output_get_dpms_internal(output, dpms_value);
1505
1506         _pthread_mutex_unlock(&private_display->lock);
1507
1508         return ret;
1509 }
1510
1511 EXTERN tdm_error
1512 tdm_output_has_capture_capability(tdm_output *output, unsigned int *has_capability)
1513 {
1514         tdm_private_module *private_module;
1515
1516         OUTPUT_FUNC_ENTRY();
1517
1518         TDM_RETURN_VAL_IF_FAIL(has_capability != NULL, TDM_ERROR_INVALID_PARAMETER);
1519
1520         _pthread_mutex_lock(&private_display->lock);
1521
1522         private_module = private_output->private_module;
1523
1524         if (!(private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
1525                 *has_capability = 0;
1526         else if (!(private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT))
1527                 *has_capability = 0;
1528         else
1529                 *has_capability = 1;
1530
1531         _pthread_mutex_unlock(&private_display->lock);
1532
1533         return ret;
1534 }
1535
1536 EXTERN tdm_capture *
1537 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1538 {
1539         tdm_capture *capture = NULL;
1540
1541         OUTPUT_FUNC_ENTRY_ERROR();
1542
1543         _pthread_mutex_lock(&private_display->lock);
1544
1545         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1546
1547         _pthread_mutex_unlock(&private_display->lock);
1548
1549         return capture;
1550 }
1551
1552 EXTERN tdm_hwc *
1553 tdm_output_get_hwc(tdm_output *output, tdm_error *error)
1554 {
1555         tdm_private_hwc *private_hwc = NULL;
1556
1557         OUTPUT_FUNC_ENTRY_ERROR();
1558
1559         _pthread_mutex_lock(&private_display->lock);
1560
1561         private_hwc = private_output->private_hwc;
1562         if (!private_hwc) {
1563                 if (error)
1564                         *error = TDM_ERROR_BAD_REQUEST;
1565                 _pthread_mutex_unlock(&private_display->lock);
1566                 return NULL;
1567         }
1568
1569         if (error)
1570                 *error = TDM_ERROR_NONE;
1571
1572         _pthread_mutex_unlock(&private_display->lock);
1573
1574         return private_hwc;
1575 }
1576
1577 INTERN tdm_error
1578 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
1579 {
1580         if (!private_output)
1581                 return TDM_ERROR_INVALID_PARAMETER;
1582
1583         if (mode < 0 || mode > 2)
1584                 return TDM_ERROR_INVALID_PARAMETER;
1585
1586         private_output->commit_per_vblank = mode;
1587
1588         if (private_output->commit_per_vblank == 0)
1589                 TDM_INFO("commit per vblank: disable");
1590         else if (private_output->commit_per_vblank == 1)
1591                 TDM_INFO("commit per vblank: enable (1 layer)");
1592         else if (private_output->commit_per_vblank == 2)
1593                 TDM_INFO("commit per vblank: enable (previous commit)");
1594
1595         return TDM_ERROR_NONE;
1596 }
1597 /* LCOV_EXCL_STOP */