src/tdm_output.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <sc1.lim@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include "tdm.h"
  41 #include "tdm_backend.h"
  42 #include "tdm_private.h"
  43 #include "tdm_helper.h"
  44
  45 #define COUNT_MAX   10
  46
  47 #define OUTPUT_FUNC_ENTRY() \
  48         tdm_private_display *private_display; \
  49         tdm_private_output *private_output; \
  50         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  51         TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER); \
  52         private_output = (tdm_private_output*)output; \
  53         private_display = private_output->private_display
  54
  55 #define OUTPUT_FUNC_ENTRY_ERROR() \
  56         tdm_private_display *private_display; \
  57         tdm_private_output *private_output; \
  58         tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
  59         TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(output != NULL, TDM_ERROR_INVALID_PARAMETER, NULL); \
  60         private_output = (tdm_private_output*)output; \
  61         private_display = private_output->private_display
  62
  63 EXTERN tdm_error
  64 tdm_output_get_model_info(tdm_output *output, const char **maker,
  65                                                   const char **model, const char **name)
  66 {
  67         OUTPUT_FUNC_ENTRY();
  68
  69         _pthread_mutex_lock(&private_display->lock);
  70
  71         if (maker)
  72                 *maker = private_output->caps.maker;
  73         if (model)
  74                 *model = private_output->caps.model;
  75         if (name)
  76                 *name = private_output->caps.name;
  77
  78         _pthread_mutex_unlock(&private_display->lock);
  79
  80         return ret;
  81 }
  82
  83 EXTERN tdm_error
  84 tdm_output_get_capabilities(tdm_output *output, tdm_output_capability *capabilities)
  85 {
  86         OUTPUT_FUNC_ENTRY();
  87
  88         TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
  89
  90         _pthread_mutex_lock(&private_display->lock);
  91
  92         *capabilities = private_output->caps.capabilities;
  93
  94         _pthread_mutex_unlock(&private_display->lock);
  95
  96         return ret;
  97 }
  98
  99 EXTERN tdm_error
 100 tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status)
 101 {
 102         OUTPUT_FUNC_ENTRY();
 103
 104         TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 105
 106         _pthread_mutex_lock(&private_display->lock);
 107
 108         *status = private_output->caps.status;
 109
 110         _pthread_mutex_unlock(&private_display->lock);
 111
 112         return ret;
 113 }
 114
 115 static void
 116 _tdm_output_update(tdm_output *output_backend, void *user_data)
 117 {
 118         tdm_private_display *private_display;
 119         tdm_private_output *private_output = user_data;
 120         tdm_error ret;
 121
 122         TDM_RETURN_IF_FAIL(private_output);
 123
 124         private_display = private_output->private_display;
 125
 126         ret = tdm_display_update_output(private_display, output_backend, private_output->pipe);
 127         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 128 }
 129
 130 INTERN void
 131 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status,
 132                                          void *user_data)
 133 {
 134         tdm_private_display *private_display;
 135         tdm_private_output *private_output = user_data;
 136         tdm_value value;
 137
 138         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 139         TDM_RETURN_IF_FAIL(private_output);
 140
 141         private_display = private_output->private_display;
 142
 143         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
 144                 tdm_thread_cb_output_status output_status;
 145                 tdm_error ret;
 146
 147                 _tdm_output_update(output_backend, user_data);
 148
 149                 output_status.base.type = TDM_THREAD_CB_OUTPUT_STATUS;
 150                 output_status.base.length = sizeof output_status;
 151                 output_status.output_stamp = private_output->stamp;
 152                 output_status.status = status;
 153                 output_status.user_data = user_data;
 154
 155                 value.u32 = status;
 156                 tdm_output_call_change_handler_internal(private_output,
 157                                                                                                 &private_output->change_handler_list_sub,
 158                                                                                                 TDM_OUTPUT_CHANGE_CONNECTION,
 159                                                                                                 value, 0);
 160
 161                 ret = tdm_thread_send_cb(private_display->private_loop, &output_status.base);
 162                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 163
 164                 return;
 165         }
 166
 167         if (!tdm_thread_is_running())
 168                 _tdm_output_update(output_backend, user_data);
 169
 170         value.u32 = status;
 171         tdm_output_call_change_handler_internal(private_output,
 172                                                                                         &private_output->change_handler_list_main,
 173                                                                                         TDM_OUTPUT_CHANGE_CONNECTION,
 174                                                                                         value, 0);
 175 }
 176
 177 EXTERN tdm_error
 178 tdm_output_add_change_handler(tdm_output *output,
 179                                                           tdm_output_change_handler func,
 180                                                           void *user_data)
 181 {
 182         tdm_private_change_handler *change_handler;
 183         OUTPUT_FUNC_ENTRY();
 184
 185         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 186
 187         pthread_mutex_lock(&private_display->lock);
 188
 189         change_handler = calloc(1, sizeof(tdm_private_change_handler));
 190         if (!change_handler) {
 191                 TDM_ERR("failed: alloc memory");
 192                 _pthread_mutex_unlock(&private_display->lock);
 193                 return TDM_ERROR_OUT_OF_MEMORY;
 194         }
 195
 196         change_handler->private_output = private_output;
 197         change_handler->func = func;
 198         change_handler->user_data = user_data;
 199         change_handler->owner_tid = syscall(SYS_gettid);
 200
 201         if (!tdm_thread_in_display_thread(change_handler->owner_tid))
 202                 LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list_sub);
 203         else
 204                 LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list_main);
 205
 206         _pthread_mutex_unlock(&private_display->lock);
 207
 208         return ret;
 209 }
 210
 211 EXTERN void
 212 tdm_output_remove_change_handler(tdm_output *output,
 213                                                                  tdm_output_change_handler func,
 214                                                                  void *user_data)
 215 {
 216         tdm_private_display *private_display;
 217         tdm_private_output *private_output;
 218         tdm_private_change_handler *h = NULL, *hh = NULL;
 219
 220         TDM_RETURN_IF_FAIL(output != NULL);
 221         TDM_RETURN_IF_FAIL(func != NULL);
 222
 223         private_output = (tdm_private_output*)output;
 224         private_display = private_output->private_display;
 225
 226         _pthread_mutex_lock(&private_display->lock);
 227
 228         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_main, link) {
 229                 if (h->func != func || h->user_data != user_data)
 230                         continue;
 231
 232                 LIST_DEL(&h->link);
 233                 free(h);
 234
 235                 _pthread_mutex_unlock(&private_display->lock);
 236
 237                 return;
 238         }
 239
 240         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_sub, link) {
 241                 if (h->func != func || h->user_data != user_data)
 242                         continue;
 243
 244                 LIST_DEL(&h->link);
 245                 free(h);
 246
 247                 _pthread_mutex_unlock(&private_display->lock);
 248
 249                 return;
 250         }
 251
 252         _pthread_mutex_unlock(&private_display->lock);
 253 }
 254
 255 EXTERN tdm_error
 256 tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
 257 {
 258         OUTPUT_FUNC_ENTRY();
 259
 260         TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
 261
 262         _pthread_mutex_lock(&private_display->lock);
 263
 264         *type = private_output->caps.type;
 265
 266         _pthread_mutex_unlock(&private_display->lock);
 267
 268         return ret;
 269 }
 270
 271 EXTERN tdm_error
 272 tdm_output_get_layer_count(tdm_output *output, int *count)
 273 {
 274         tdm_private_layer *private_layer = NULL;
 275
 276         OUTPUT_FUNC_ENTRY();
 277
 278         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 279
 280         _pthread_mutex_lock(&private_display->lock);
 281
 282         *count = 0;
 283         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
 284         (*count)++;
 285         if (*count == 0) {
 286                 _pthread_mutex_unlock(&private_display->lock);
 287                 return TDM_ERROR_NONE;
 288         }
 289
 290         _pthread_mutex_unlock(&private_display->lock);
 291
 292         return ret;
 293 }
 294
 295
 296 EXTERN tdm_layer *
 297 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 298 {
 299         tdm_private_layer *private_layer = NULL;
 300
 301         OUTPUT_FUNC_ENTRY_ERROR();
 302
 303         _pthread_mutex_lock(&private_display->lock);
 304
 305         if (error)
 306                 *error = TDM_ERROR_NONE;
 307
 308         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 309                 if (private_layer->index == index) {
 310                         _pthread_mutex_unlock(&private_display->lock);
 311                         return private_layer;
 312                 }
 313         }
 314
 315         _pthread_mutex_unlock(&private_display->lock);
 316
 317         return NULL;
 318 }
 319
 320 EXTERN tdm_error
 321 tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
 322                                                                         int *count)
 323 {
 324         OUTPUT_FUNC_ENTRY();
 325
 326         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 327         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 328
 329         _pthread_mutex_lock(&private_display->lock);
 330
 331         *props = (const tdm_prop *)private_output->caps.props;
 332         *count = private_output->caps.prop_count;
 333
 334         _pthread_mutex_unlock(&private_display->lock);
 335
 336         return ret;
 337 }
 338
 339 EXTERN tdm_error
 340 tdm_output_get_available_modes(tdm_output *output,
 341                                                            const tdm_output_mode **modes, int *count)
 342 {
 343         OUTPUT_FUNC_ENTRY();
 344
 345         TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
 346         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 347
 348         _pthread_mutex_lock(&private_display->lock);
 349
 350         *modes = (const tdm_output_mode *)private_output->caps.modes;
 351         *count = private_output->caps.mode_count;
 352
 353         _pthread_mutex_unlock(&private_display->lock);
 354
 355         return ret;
 356 }
 357
 358 EXTERN tdm_error
 359 tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
 360                                                           int *max_w, int *max_h, int *preferred_align)
 361 {
 362         OUTPUT_FUNC_ENTRY();
 363
 364         _pthread_mutex_lock(&private_display->lock);
 365
 366         if (min_w)
 367                 *min_w = TDM_FRONT_VALUE(private_output->caps.min_w);
 368         if (min_h)
 369                 *min_h = TDM_FRONT_VALUE(private_output->caps.min_h);
 370         if (max_w)
 371                 *max_w = TDM_FRONT_VALUE(private_output->caps.max_w);
 372         if (max_h)
 373                 *max_h = TDM_FRONT_VALUE(private_output->caps.max_h);
 374         if (preferred_align)
 375                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.preferred_align);
 376
 377         _pthread_mutex_unlock(&private_display->lock);
 378
 379         return ret;
 380 }
 381
 382 EXTERN tdm_error
 383 tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
 384                                                                          int *max_w, int *max_h, int *preferred_align)
 385 {
 386         OUTPUT_FUNC_ENTRY();
 387
 388         _pthread_mutex_lock(&private_display->lock);
 389
 390         if (!tdm_display_check_module_abi(private_display, 1, 5)) {
 391
 392                 if (min_w)
 393                         *min_w = -1;
 394                 if (min_h)
 395                         *min_h = -1;
 396                 if (max_w)
 397                         *max_w = -1;
 398                 if (max_h)
 399                         *max_h = -1;
 400                 if (preferred_align)
 401                         *preferred_align = -1;
 402
 403                 _pthread_mutex_unlock(&private_display->lock);
 404
 405                 return TDM_ERROR_BAD_MODULE;
 406         }
 407
 408         if (min_w)
 409                 *min_w = TDM_FRONT_VALUE(private_output->caps.cursor_min_w);
 410         if (min_h)
 411                 *min_h = TDM_FRONT_VALUE(private_output->caps.cursor_min_h);
 412         if (max_w)
 413                 *max_w = TDM_FRONT_VALUE(private_output->caps.cursor_max_w);
 414         if (max_h)
 415                 *max_h = TDM_FRONT_VALUE(private_output->caps.cursor_max_h);
 416         if (preferred_align)
 417                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.cursor_preferred_align);
 418
 419         _pthread_mutex_unlock(&private_display->lock);
 420
 421         return ret;
 422 }
 423
 424 EXTERN tdm_error
 425 tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
 426                                                          unsigned int *mmHeight)
 427 {
 428         OUTPUT_FUNC_ENTRY();
 429
 430         _pthread_mutex_lock(&private_display->lock);
 431
 432         if (mmWidth)
 433                 *mmWidth = private_output->caps.mmWidth;
 434         if (mmHeight)
 435                 *mmHeight = private_output->caps.mmHeight;
 436
 437         _pthread_mutex_unlock(&private_display->lock);
 438
 439         return ret;
 440 }
 441
 442 EXTERN tdm_error
 443 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
 444 {
 445         OUTPUT_FUNC_ENTRY();
 446         TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
 447
 448         _pthread_mutex_lock(&private_display->lock);
 449
 450         *subpixel = private_output->caps.subpixel;
 451
 452         _pthread_mutex_unlock(&private_display->lock);
 453
 454         return ret;
 455 }
 456
 457 EXTERN tdm_error
 458 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
 459 {
 460         OUTPUT_FUNC_ENTRY();
 461         TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
 462
 463         _pthread_mutex_lock(&private_display->lock);
 464
 465         *pipe = private_output->pipe;
 466
 467         _pthread_mutex_unlock(&private_display->lock);
 468
 469         return ret;
 470 }
 471
 472 EXTERN tdm_error
 473 tdm_output_get_primary_index(tdm_output *output, int *index)
 474 {
 475         tdm_private_layer *private_layer = NULL;
 476
 477         OUTPUT_FUNC_ENTRY();
 478         TDM_RETURN_VAL_IF_FAIL(index != NULL, TDM_ERROR_INVALID_PARAMETER);
 479
 480         _pthread_mutex_lock(&private_display->lock);
 481
 482         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 483                 if (private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_PRIMARY) {
 484                         *index = private_layer->index;
 485                         break;
 486                 }
 487         }
 488
 489         _pthread_mutex_unlock(&private_display->lock);
 490
 491         return ret;
 492 }
 493
 494 EXTERN tdm_error
 495 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
 496 {
 497         tdm_func_output *func_output;
 498         OUTPUT_FUNC_ENTRY();
 499
 500         _pthread_mutex_lock(&private_display->lock);
 501
 502         func_output = &private_display->func_output;
 503
 504         if (!func_output->output_set_property) {
 505                 _pthread_mutex_unlock(&private_display->lock);
 506                 TDM_ERR("not implemented!!");
 507                 return TDM_ERROR_NOT_IMPLEMENTED;
 508         }
 509
 510         ret = func_output->output_set_property(private_output->output_backend, id,
 511                                                                                    value);
 512
 513         _pthread_mutex_unlock(&private_display->lock);
 514
 515         return ret;
 516 }
 517
 518 EXTERN tdm_error
 519 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 520 {
 521         tdm_func_output *func_output;
 522         OUTPUT_FUNC_ENTRY();
 523
 524         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 525
 526         _pthread_mutex_lock(&private_display->lock);
 527
 528         func_output = &private_display->func_output;
 529
 530         if (!func_output->output_get_property) {
 531                 _pthread_mutex_unlock(&private_display->lock);
 532                 TDM_ERR("not implemented!!");
 533                 return TDM_ERROR_NOT_IMPLEMENTED;
 534         }
 535
 536         ret = func_output->output_get_property(private_output->output_backend, id,
 537                                                                                    value);
 538
 539         _pthread_mutex_unlock(&private_display->lock);
 540
 541         return ret;
 542 }
 543
 544 INTERN void
 545 tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 546                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 547 {
 548         tdm_private_vblank_handler *vblank_handler = user_data;
 549         tdm_private_vblank_handler *v = NULL, *vv = NULL;
 550         tdm_private_output *private_output;
 551         tdm_private_display *private_display;
 552         struct list_head clone_list;
 553         int interval, sync;
 554         pid_t tid = syscall(SYS_gettid);
 555
 556         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 557         TDM_RETURN_IF_FAIL(vblank_handler);
 558
 559         private_output = vblank_handler->private_output;
 560         private_display = private_output->private_display;
 561
 562         if (vblank_handler->owner_tid != tid) {
 563                 tdm_thread_cb_output_vblank output_vblank;
 564                 tdm_error ret;
 565
 566                 output_vblank.base.type = TDM_THREAD_CB_OUTPUT_VBLANK;
 567                 output_vblank.base.length = sizeof output_vblank;
 568                 output_vblank.output_stamp = vblank_handler->private_output->stamp;
 569                 output_vblank.sequence = sequence;
 570                 output_vblank.tv_sec = tv_sec;
 571                 output_vblank.tv_usec = tv_usec;
 572                 output_vblank.user_data = user_data;
 573
 574                 ret = tdm_thread_send_cb(private_display->private_loop, &output_vblank.base);
 575                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 576
 577                 return;
 578         }
 579
 580         if (vblank_handler->owner_tid != tid)
 581                 TDM_NEVER_GET_HERE();
 582
 583         interval = vblank_handler->interval;
 584         sync = vblank_handler->sync;
 585
 586         LIST_INITHEAD(&clone_list);
 587
 588         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 589                 if (v->interval != interval || v->sync != sync || v->owner_tid != tid)
 590                         continue;
 591
 592                 LIST_DEL(&v->link);
 593                 LIST_ADDTAIL(&v->link, &clone_list);
 594         }
 595
 596         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 597                 TDM_INFO("----------------------------------------- output(%d) got vblank", private_output->pipe);
 598
 599         _pthread_mutex_unlock(&private_display->lock);
 600         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &clone_list, link) {
 601                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 602                         TDM_INFO("handler(%p)", v);
 603
 604                 if (v->func)
 605                         v->func(v->private_output, sequence, tv_sec, tv_usec, v->user_data);
 606                 LIST_DEL(&v->link);
 607                 free(v);
 608         }
 609         _pthread_mutex_lock(&private_display->lock);
 610
 611         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 612                 TDM_INFO("-----------------------------------------...");
 613 }
 614
 615 INTERN void
 616 tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 617                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 618 {
 619         tdm_private_output_commit_handler *output_commit_handler = user_data;
 620         tdm_private_display *private_display;
 621         tdm_private_output *private_output;
 622         tdm_private_layer *private_layer = NULL;
 623
 624         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 625
 626         if (!output_commit_handler)
 627                 return;
 628
 629         private_output = output_commit_handler->private_output;
 630         private_display = private_output->private_display;
 631
 632         if (output_commit_handler->owner_tid != syscall(SYS_gettid)) {
 633                 tdm_thread_cb_output_commit output_commit;
 634                 tdm_error ret;
 635
 636                 output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
 637                 output_commit.base.length = sizeof output_commit;
 638                 output_commit.output_stamp = private_output->stamp;
 639                 output_commit.sequence = sequence;
 640                 output_commit.tv_sec = tv_sec;
 641                 output_commit.tv_usec = tv_usec;
 642                 output_commit.user_data = user_data;
 643
 644                 ret = tdm_thread_send_cb(private_display->private_loop, &output_commit.base);
 645                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 646
 647                 return;
 648         }
 649
 650         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
 651                 TDM_INFO("----------------------------------------- output(%d) committed", private_output->pipe);
 652                 TDM_INFO("handler(%p)", output_commit_handler);
 653         }
 654
 655         if (private_display->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
 656                 /* In case of layer commit, the below will be handled in the layer commit callback */
 657                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 658                         if (private_layer->committed_buffer)
 659                                 tdm_layer_committed(private_layer, &private_layer->committed_buffer);
 660                 }
 661         }
 662
 663         if (output_commit_handler->func) {
 664                 _pthread_mutex_unlock(&private_display->lock);
 665                 output_commit_handler->func(private_output, sequence,
 666                                                                         tv_sec, tv_usec, output_commit_handler->user_data);
 667                 _pthread_mutex_lock(&private_display->lock);
 668         }
 669
 670         LIST_DEL(&output_commit_handler->link);
 671         free(output_commit_handler);
 672
 673         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 674                 TDM_INFO("-----------------------------------------...");
 675 }
 676
 677 /* add_front: To distinguish between the user vblank handlers and the layer
 678  *            commit vblank handlers. The layer commit handlers will be called
 679  *            before calling the user vblank handlers.
 680  */
 681 static tdm_error
 682 _tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 683                                                 tdm_output_vblank_handler func, void *user_data,
 684                                                 unsigned int add_front)
 685 {
 686         tdm_func_output *func_output;
 687         tdm_private_vblank_handler *vblank_handler = NULL, *v = NULL;
 688         unsigned int skip_request = 0;
 689         pid_t tid = syscall(SYS_gettid);
 690
 691         OUTPUT_FUNC_ENTRY();
 692
 693         func_output = &private_display->func_output;
 694
 695         /* interval SHOULD be at least 1 */
 696         if (interval <= 0)
 697                 interval = 1;
 698
 699         if (!func_output->output_wait_vblank) {
 700                 TDM_ERR("not implemented!!");
 701                 return TDM_ERROR_NOT_IMPLEMENTED;
 702         }
 703
 704         if (!private_output->regist_vblank_cb) {
 705                 private_output->regist_vblank_cb = 1;
 706                 ret = func_output->output_set_vblank_handler(private_output->output_backend,
 707                                 tdm_output_cb_vblank);
 708         }
 709
 710         vblank_handler = calloc(1, sizeof(tdm_private_vblank_handler));
 711         if (!vblank_handler) {
 712                 TDM_ERR("failed: alloc memory");
 713                 return TDM_ERROR_OUT_OF_MEMORY;
 714         }
 715
 716         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 717                 TDM_INFO("output(%d) wait_vblank: handler(%p)", private_output->pipe, vblank_handler);
 718
 719         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 720                 if (v->interval == interval && v->sync == sync && v->owner_tid == tid) {
 721                         skip_request = 1;
 722                         break;
 723                 }
 724         }
 725
 726         if (add_front)
 727                 LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
 728         else
 729                 LIST_ADDTAIL(&vblank_handler->link, &private_output->vblank_handler_list);
 730
 731         vblank_handler->private_output = private_output;
 732         vblank_handler->interval = interval;
 733         vblank_handler->sync = sync;
 734         vblank_handler->func = func;
 735         vblank_handler->user_data = user_data;
 736         vblank_handler->owner_tid = tid;
 737
 738         /* If there is the previous request, we can skip to call output_wait_vblank() */
 739         if (!skip_request) {
 740                 ret = func_output->output_wait_vblank(private_output->output_backend, interval,
 741                                                                                           sync, vblank_handler);
 742                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 743
 744                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 745                         TDM_INFO("output(%d) backend wait_vblank", private_output->pipe);
 746         }
 747
 748         return ret;
 749
 750 wait_failed:
 751         if (vblank_handler) {
 752                 LIST_DEL(&vblank_handler->link);
 753                 free(vblank_handler);
 754         }
 755         return ret;
 756 }
 757
 758 EXTERN tdm_error
 759 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 760                                            tdm_output_vblank_handler func, void *user_data)
 761 {
 762         OUTPUT_FUNC_ENTRY();
 763
 764         _pthread_mutex_lock(&private_display->lock);
 765
 766         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
 767                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 768                                 tdm_dpms_str(private_output->current_dpms_value));
 769                 _pthread_mutex_unlock(&private_display->lock);
 770                 return TDM_ERROR_DPMS_OFF;
 771         }
 772
 773         ret = _tdm_output_wait_vblank(output, interval, sync, func, user_data, 0);
 774
 775         _pthread_mutex_unlock(&private_display->lock);
 776
 777         return ret;
 778 }
 779
 780 EXTERN tdm_error
 781 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
 782                                                                  tdm_output_vblank_handler func, void *user_data)
 783 {
 784         OUTPUT_FUNC_ENTRY();
 785
 786         _pthread_mutex_lock(&private_display->lock);
 787
 788         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
 789                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 790                                 tdm_dpms_str(private_output->current_dpms_value));
 791                 _pthread_mutex_unlock(&private_display->lock);
 792                 return TDM_ERROR_DPMS_OFF;
 793         }
 794
 795         ret = _tdm_output_wait_vblank(output, interval, sync, func, user_data, 1);
 796
 797         _pthread_mutex_unlock(&private_display->lock);
 798
 799         return ret;
 800 }
 801
 802 INTERN tdm_error
 803 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
 804 {
 805         tdm_func_output *func_output;
 806         tdm_private_output_commit_handler *output_commit_handler = NULL;
 807         tdm_private_layer *private_layer = NULL;
 808         tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
 809
 810         OUTPUT_FUNC_ENTRY();
 811
 812         func_output = &private_display->func_output;
 813
 814         if (!func_output->output_commit) {
 815                 TDM_ERR("not implemented!!");
 816                 return TDM_ERROR_NOT_IMPLEMENTED;
 817         }
 818
 819         tdm_output_get_dpms_internal(output, &dpms_value);
 820
 821         if (dpms_value == TDM_OUTPUT_DPMS_ON) {
 822                 if (func) {
 823                         if (!private_output->regist_commit_cb) {
 824                                 private_output->regist_commit_cb = 1;
 825                                 ret = func_output->output_set_commit_handler(private_output->output_backend,
 826                                                         tdm_output_cb_commit);
 827                                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 828                         }
 829
 830                         output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
 831                         if (!output_commit_handler) {
 832                                 TDM_ERR("failed: alloc memory");
 833                                 return TDM_ERROR_OUT_OF_MEMORY;
 834                         }
 835
 836                         LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
 837                         output_commit_handler->private_output = private_output;
 838                         output_commit_handler->func = func;
 839                         output_commit_handler->user_data = user_data;
 840                         output_commit_handler->owner_tid = syscall(SYS_gettid);
 841                 }
 842
 843                 ret = func_output->output_commit(private_output->output_backend, sync,
 844                                 output_commit_handler);
 845                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 846
 847                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 848                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
 849                                         private_output->pipe, output_commit_handler, func, user_data);
 850         }
 851
 852         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
 853          * for tdm_layer_committed() function.
 854          */
 855         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 856                 if (!private_layer->waiting_buffer)
 857                         continue;
 858
 859                 private_layer->committed_buffer = private_layer->waiting_buffer;
 860                 private_layer->waiting_buffer = NULL;
 861                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 862                         TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
 863                                          private_layer, private_layer->waiting_buffer,
 864                                          private_layer->committed_buffer->buffer);
 865         }
 866
 867         if (dpms_value != TDM_OUTPUT_DPMS_ON) {
 868                 TDM_WRN("TDM_OUTPUT_DPMS_OFF. Directly call commit handler instead of commit.");
 869                 if (func)
 870                         func(output, 0, 0, 0, user_data);
 871         }
 872
 873         return ret;
 874
 875 commit_failed:
 876         if (output_commit_handler) {
 877                 LIST_DEL(&output_commit_handler->link);
 878                 free(output_commit_handler);
 879         }
 880         return ret;
 881 }
 882
 883 EXTERN tdm_error
 884 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
 885                                   void *user_data)
 886 {
 887         OUTPUT_FUNC_ENTRY();
 888
 889         _pthread_mutex_lock(&private_display->lock);
 890
 891         if (private_display->commit_type == TDM_COMMIT_TYPE_NONE)
 892                 private_display->commit_type = TDM_COMMIT_TYPE_OUTPUT;
 893         else if (private_display->commit_type == TDM_COMMIT_TYPE_LAYER) {
 894                 TDM_ERR("Can't supported. Use tdm_layer_commit");
 895                 _pthread_mutex_unlock(&private_display->lock);
 896                 return TDM_ERROR_BAD_REQUEST;
 897         }
 898
 899         if (private_display->commit_per_vblank) {
 900                 TDM_ERR("Use tdm_layer_commit");
 901                 _pthread_mutex_unlock(&private_display->lock);
 902                 return TDM_ERROR_BAD_REQUEST;
 903         }
 904
 905         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
 906                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
 907                                 tdm_dpms_str(private_output->current_dpms_value));
 908                 _pthread_mutex_unlock(&private_display->lock);
 909                 return TDM_ERROR_DPMS_OFF;
 910         }
 911
 912         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 913                 TDM_INFO("output(%d) commit", private_output->pipe);
 914
 915         ret = tdm_output_commit_internal(output, sync, func, user_data);
 916
 917         _pthread_mutex_unlock(&private_display->lock);
 918
 919         return ret;
 920 }
 921
 922 EXTERN tdm_error
 923 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
 924 {
 925         tdm_func_output *func_output;
 926         OUTPUT_FUNC_ENTRY();
 927
 928         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
 929
 930         _pthread_mutex_lock(&private_display->lock);
 931
 932         func_output = &private_display->func_output;
 933
 934         if (!func_output->output_set_mode) {
 935                 _pthread_mutex_unlock(&private_display->lock);
 936                 TDM_ERR("not implemented!!");
 937                 return TDM_ERROR_NOT_IMPLEMENTED;
 938         }
 939
 940         ret = func_output->output_set_mode(private_output->output_backend, mode);
 941         if (ret == TDM_ERROR_NONE)
 942                 private_output->current_mode = mode;
 943         _pthread_mutex_unlock(&private_display->lock);
 944
 945         return ret;
 946 }
 947
 948 EXTERN tdm_error
 949 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
 950 {
 951         OUTPUT_FUNC_ENTRY();
 952
 953         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
 954
 955         _pthread_mutex_lock(&private_display->lock);
 956
 957         *mode = private_output->current_mode;
 958
 959         _pthread_mutex_unlock(&private_display->lock);
 960
 961         return ret;
 962 }
 963
 964 static tdm_error
 965 _tdm_output_dpms_changed_timeout(void *user_data)
 966 {
 967         tdm_private_output *private_output = user_data;
 968         tdm_value value;
 969
 970         value.u32 = private_output->current_dpms_value;
 971         tdm_output_call_change_handler_internal(private_output,
 972                                                                                         &private_output->change_handler_list_sub,
 973                                                                                         TDM_OUTPUT_CHANGE_DPMS,
 974                                                                                         value, 0);
 975
 976         return TDM_ERROR_NONE;
 977 }
 978
 979 INTERN void
 980 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms, void *user_data)
 981 {
 982         tdm_private_display *private_display;
 983         tdm_private_output *private_output = user_data;
 984         tdm_value value;
 985
 986         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 987         TDM_RETURN_IF_FAIL(private_output);
 988
 989         private_display = private_output->private_display;
 990
 991         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
 992                 tdm_thread_cb_output_dpms output_dpms;
 993                 tdm_error ret;
 994
 995                 _tdm_output_update(output_backend, user_data);
 996
 997                 output_dpms.base.type = TDM_THREAD_CB_OUTPUT_DPMS;
 998                 output_dpms.base.length = sizeof output_dpms;
 999                 output_dpms.output_stamp = private_output->stamp;
1000                 output_dpms.dpms = dpms;
1001                 output_dpms.user_data = user_data;
1002
1003                 value.u32 = dpms;
1004                 tdm_output_call_change_handler_internal(private_output,
1005                                                                                                 &private_output->change_handler_list_sub,
1006                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1007                                                                                                 value, 0);
1008
1009                 ret = tdm_thread_send_cb(private_display->private_loop, &output_dpms.base);
1010                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1011
1012                 return;
1013         }
1014
1015         private_output->current_dpms_value = dpms;
1016
1017         value.u32 = dpms;
1018         tdm_output_call_change_handler_internal(private_output,
1019                                                                                         &private_output->change_handler_list_main,
1020                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1021                                                                                         value, 0);
1022 }
1023
1024 EXTERN tdm_error
1025 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1026 {
1027         tdm_func_output *func_output;
1028         OUTPUT_FUNC_ENTRY();
1029
1030         if (dpms_value > TDM_OUTPUT_DPMS_OFF)
1031                 dpms_value = TDM_OUTPUT_DPMS_OFF;
1032
1033         _pthread_mutex_lock(&private_display->lock);
1034
1035         if (private_output->current_dpms_value == dpms_value) {
1036                 _pthread_mutex_unlock(&private_display->lock);
1037                 return TDM_ERROR_NONE;
1038         }
1039
1040         /** Use timer to call the output change callback of the sub-thread.
1041          * The output change callback of tdm_server and tdm_vblank was called
1042          * in the main thread. And it made the multi thread issue. If we use
1043          * the timer, we can call the sub-thread's output change callback in
1044          * sub-thread.
1045          */
1046         if (!private_output->dpms_changed_timer) {
1047                 private_output->dpms_changed_timer =
1048                         tdm_event_loop_add_timer_handler(private_output->private_display,
1049                                                                                          _tdm_output_dpms_changed_timeout, private_output, NULL);
1050                 if (!private_output->dpms_changed_timer) {
1051                         TDM_ERR("can't create dpms timer!!");
1052                         _pthread_mutex_unlock(&private_display->lock);
1053                         return TDM_ERROR_OUT_OF_MEMORY;
1054                 }
1055         }
1056
1057         func_output = &private_display->func_output;
1058
1059         if (!func_output->output_set_dpms) {
1060                 _pthread_mutex_unlock(&private_display->lock);
1061                 private_output->current_dpms_value = dpms_value;
1062                 TDM_WRN("not implemented!!");
1063                 return TDM_ERROR_NONE;
1064         }
1065
1066         if (func_output->output_set_dpms_handler) {
1067                 if (!private_output->regist_dpms_cb) {
1068                         private_output->regist_dpms_cb = 1;
1069                         ret = func_output->output_set_dpms_handler(private_output->output_backend,
1070                                         tdm_output_cb_dpms, private_output);
1071                         if (ret != TDM_ERROR_NONE) {
1072                                 _pthread_mutex_unlock(&private_display->lock);
1073                                 TDM_ERR("Can't set the dpms handler!!");
1074                                 return ret;
1075                         }
1076                 }
1077         }
1078
1079         ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1080
1081         if (ret == TDM_ERROR_NONE && !func_output->output_set_dpms_handler) {
1082                 tdm_value value;
1083
1084                 private_output->current_dpms_value = dpms_value;
1085
1086                 value.u32 = dpms_value;
1087                 tdm_output_call_change_handler_internal(private_output,
1088                                                                                                 &private_output->change_handler_list_main,
1089                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1090                                                                                                 value, 0);
1091
1092                 if (!LIST_IS_EMPTY(&private_output->change_handler_list_sub)) {
1093                         ret = tdm_event_loop_source_timer_update(private_output->dpms_changed_timer, 1);
1094                         if (ret != TDM_ERROR_NONE)
1095                                 TDM_NEVER_GET_HERE();
1096                 }
1097         }
1098
1099         _pthread_mutex_unlock(&private_display->lock);
1100
1101         return ret;
1102 }
1103
1104 INTERN tdm_error
1105 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1106 {
1107         tdm_func_output *func_output;
1108         OUTPUT_FUNC_ENTRY();
1109
1110         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1111
1112         func_output = &private_display->func_output;
1113
1114         if (!func_output->output_get_dpms) {
1115                 *dpms_value = private_output->current_dpms_value;
1116                 TDM_WRN("not implemented!!");
1117                 return TDM_ERROR_NONE;
1118         }
1119
1120         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1121         if (ret != TDM_ERROR_NONE) {
1122                 TDM_ERR("output_get_dpms failed");
1123                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1124         }
1125
1126         if (*dpms_value != private_output->current_dpms_value) {
1127                 private_output->current_dpms_value = *dpms_value;
1128                 TDM_ERR("output(%d) dpms changed suddenly: %s", private_output->pipe, tdm_dpms_str(*dpms_value));
1129         }
1130
1131         return ret;
1132 }
1133
1134 EXTERN tdm_error
1135 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1136 {
1137         OUTPUT_FUNC_ENTRY();
1138
1139         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1140
1141         _pthread_mutex_lock(&private_display->lock);
1142
1143         ret = tdm_output_get_dpms_internal(output, dpms_value);
1144
1145         _pthread_mutex_unlock(&private_display->lock);
1146
1147         return ret;
1148 }
1149
1150 EXTERN tdm_capture *
1151 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1152 {
1153         tdm_capture *capture = NULL;
1154
1155         OUTPUT_FUNC_ENTRY_ERROR();
1156
1157         _pthread_mutex_lock(&private_display->lock);
1158
1159         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1160
1161         _pthread_mutex_unlock(&private_display->lock);
1162
1163         return capture;
1164 }
1165
1166 INTERN void
1167 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
1168                                                                                 struct list_head *change_handler_list,
1169                                                                                 tdm_output_change_type type,
1170                                                                                 tdm_value value,
1171                                                                                 int no_check_thread_id)
1172 {
1173         tdm_private_display *private_display;
1174         tdm_private_change_handler *change_handler = NULL;
1175
1176         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1177         TDM_RETURN_IF_FAIL(private_output);
1178
1179         private_display = private_output->private_display;
1180         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
1181                 if (type & TDM_OUTPUT_CHANGE_CONNECTION)
1182                         TDM_INFO("output(%d) changed: %s (%d)",
1183                                          private_output->pipe, tdm_status_str(value.u32), value.u32);
1184                 if (type & TDM_OUTPUT_CHANGE_DPMS)
1185                         TDM_INFO("output(%d) changed: dpms %s (%d)",
1186                                          private_output->pipe, tdm_dpms_str(value.u32), value.u32);
1187         }
1188
1189         if (LIST_IS_EMPTY(change_handler_list))
1190                 return;
1191
1192         LIST_FOR_EACH_ENTRY(change_handler, change_handler_list, link) {
1193                 if (!no_check_thread_id && change_handler->owner_tid != syscall(SYS_gettid))
1194                         TDM_NEVER_GET_HERE();
1195
1196                 _pthread_mutex_unlock(&private_display->lock);
1197                 change_handler->func(private_output, type,
1198                                                          value, change_handler->user_data);
1199                 _pthread_mutex_lock(&private_display->lock);
1200         }
1201 }