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
  64 static tdm_private_hwc_window *
  65 _tdm_output_find_private_hwc_window(tdm_private_output *private_output,
  66                                                                 tdm_hwc_window *hwc_window_backend)
  67 {
  68         tdm_private_hwc_window *private_hwc_window = NULL;
  69
  70         LIST_FOR_EACH_ENTRY(private_hwc_window, &private_output->hwc_window_list, link) {
  71                 if (private_hwc_window->hwc_window_backend == hwc_window_backend)
  72                         return private_hwc_window;
  73         }
  74
  75         return NULL;
  76 }
  77
  78 EXTERN tdm_error
  79 tdm_output_get_model_info(tdm_output *output, const char **maker,
  80                                                   const char **model, const char **name)
  81 {
  82         OUTPUT_FUNC_ENTRY();
  83
  84         _pthread_mutex_lock(&private_display->lock);
  85
  86         if (maker)
  87                 *maker = private_output->caps.maker;
  88         if (model)
  89                 *model = private_output->caps.model;
  90         if (name)
  91                 *name = private_output->caps.name;
  92
  93         _pthread_mutex_unlock(&private_display->lock);
  94
  95         return ret;
  96 }
  97
  98 EXTERN tdm_error
  99 tdm_output_get_capabilities(tdm_output *output, tdm_output_capability *capabilities)
 100 {
 101         OUTPUT_FUNC_ENTRY();
 102
 103         TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 104
 105         _pthread_mutex_lock(&private_display->lock);
 106
 107         *capabilities = private_output->caps.capabilities;
 108
 109         _pthread_mutex_unlock(&private_display->lock);
 110
 111         return ret;
 112 }
 113
 114 EXTERN tdm_error
 115 tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status)
 116 {
 117         OUTPUT_FUNC_ENTRY();
 118
 119         TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
 120
 121         _pthread_mutex_lock(&private_display->lock);
 122
 123         *status = private_output->caps.status;
 124
 125         _pthread_mutex_unlock(&private_display->lock);
 126
 127         return ret;
 128 }
 129
 130 static void
 131 _tdm_output_update(tdm_output *output_backend, void *user_data)
 132 {
 133         tdm_private_display *private_display;
 134         tdm_private_output *private_output = user_data;
 135         tdm_error ret;
 136
 137         TDM_RETURN_IF_FAIL(private_output);
 138
 139         private_display = private_output->private_display;
 140
 141         ret = tdm_display_update_output(private_display, output_backend, private_output->pipe);
 142         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
 143 }
 144
 145 INTERN void
 146 tdm_output_cb_status(tdm_output *output_backend, tdm_output_conn_status status,
 147                                          void *user_data)
 148 {
 149         tdm_private_display *private_display;
 150         tdm_private_output *private_output = user_data;
 151         tdm_value value;
 152
 153         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 154         TDM_RETURN_IF_FAIL(private_output);
 155
 156         private_display = private_output->private_display;
 157
 158         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
 159                 tdm_thread_cb_output_status output_status;
 160                 tdm_error ret;
 161
 162                 TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(status));
 163
 164                 _tdm_output_update(output_backend, user_data);
 165
 166                 output_status.base.type = TDM_THREAD_CB_OUTPUT_STATUS;
 167                 output_status.base.length = sizeof output_status;
 168                 output_status.output_stamp = private_output->stamp;
 169                 output_status.status = status;
 170                 output_status.user_data = user_data;
 171
 172                 value.u32 = status;
 173                 tdm_output_call_change_handler_internal(private_output,
 174                                                                                                 &private_output->change_handler_list_sub,
 175                                                                                                 TDM_OUTPUT_CHANGE_CONNECTION,
 176                                                                                                 value, 0);
 177
 178                 ret = tdm_thread_send_cb(private_display->private_loop, &output_status.base);
 179                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 180
 181                 return;
 182         }
 183
 184         TDM_INFO("output(%d) %s", private_output->pipe, tdm_status_str(status));
 185
 186         if (!tdm_thread_is_running())
 187                 _tdm_output_update(output_backend, user_data);
 188
 189         value.u32 = status;
 190         tdm_output_call_change_handler_internal(private_output,
 191                                                                                         &private_output->change_handler_list_main,
 192                                                                                         TDM_OUTPUT_CHANGE_CONNECTION,
 193                                                                                         value, 0);
 194 }
 195
 196 EXTERN tdm_error
 197 tdm_output_add_change_handler(tdm_output *output,
 198                                                           tdm_output_change_handler func,
 199                                                           void *user_data)
 200 {
 201         tdm_private_change_handler *change_handler;
 202         OUTPUT_FUNC_ENTRY();
 203
 204         TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 205
 206         pthread_mutex_lock(&private_display->lock);
 207
 208         change_handler = calloc(1, sizeof(tdm_private_change_handler));
 209         if (!change_handler) {
 210                 TDM_ERR("failed: alloc memory");
 211                 _pthread_mutex_unlock(&private_display->lock);
 212                 return TDM_ERROR_OUT_OF_MEMORY;
 213         }
 214
 215         change_handler->private_output = private_output;
 216         change_handler->func = func;
 217         change_handler->user_data = user_data;
 218         change_handler->owner_tid = syscall(SYS_gettid);
 219
 220         if (!tdm_thread_in_display_thread(change_handler->owner_tid))
 221                 LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list_sub);
 222         else
 223                 LIST_ADDTAIL(&change_handler->link, &private_output->change_handler_list_main);
 224
 225         _pthread_mutex_unlock(&private_display->lock);
 226
 227         return ret;
 228 }
 229
 230 EXTERN void
 231 tdm_output_remove_change_handler(tdm_output *output,
 232                                                                  tdm_output_change_handler func,
 233                                                                  void *user_data)
 234 {
 235         tdm_private_display *private_display;
 236         tdm_private_output *private_output;
 237         tdm_private_change_handler *h = NULL, *hh = NULL;
 238
 239         TDM_RETURN_IF_FAIL(output != NULL);
 240         TDM_RETURN_IF_FAIL(func != NULL);
 241
 242         private_output = (tdm_private_output*)output;
 243         private_display = private_output->private_display;
 244
 245         _pthread_mutex_lock(&private_display->lock);
 246
 247         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_main, link) {
 248                 if (h->func != func || h->user_data != user_data)
 249                         continue;
 250
 251                 LIST_DEL(&h->link);
 252                 free(h);
 253
 254                 _pthread_mutex_unlock(&private_display->lock);
 255
 256                 return;
 257         }
 258
 259         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_sub, link) {
 260                 if (h->func != func || h->user_data != user_data)
 261                         continue;
 262
 263                 LIST_DEL(&h->link);
 264                 free(h);
 265
 266                 _pthread_mutex_unlock(&private_display->lock);
 267
 268                 return;
 269         }
 270
 271         _pthread_mutex_unlock(&private_display->lock);
 272 }
 273
 274 EXTERN tdm_error
 275 tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
 276 {
 277         OUTPUT_FUNC_ENTRY();
 278
 279         TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
 280
 281         _pthread_mutex_lock(&private_display->lock);
 282
 283         *type = private_output->caps.type;
 284
 285         _pthread_mutex_unlock(&private_display->lock);
 286
 287         return ret;
 288 }
 289
 290 EXTERN tdm_error
 291 tdm_output_get_layer_count(tdm_output *output, int *count)
 292 {
 293         tdm_private_layer *private_layer = NULL;
 294
 295         OUTPUT_FUNC_ENTRY();
 296
 297         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 298
 299         _pthread_mutex_lock(&private_display->lock);
 300
 301         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 302                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 303                 *count = 0;
 304                 _pthread_mutex_unlock(&private_display->lock);
 305                 return TDM_ERROR_BAD_REQUEST;
 306         }
 307
 308         *count = 0;
 309         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
 310         (*count)++;
 311         if (*count == 0) {
 312                 _pthread_mutex_unlock(&private_display->lock);
 313                 return TDM_ERROR_NONE;
 314         }
 315
 316         _pthread_mutex_unlock(&private_display->lock);
 317
 318         return ret;
 319 }
 320
 321
 322 EXTERN tdm_layer *
 323 tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
 324 {
 325         tdm_private_layer *private_layer = NULL;
 326
 327         OUTPUT_FUNC_ENTRY_ERROR();
 328
 329         _pthread_mutex_lock(&private_display->lock);
 330
 331         if (error)
 332                 *error = TDM_ERROR_NONE;
 333
 334         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC) {
 335                 _pthread_mutex_unlock(&private_display->lock);
 336                 TDM_ERR("output(%p) support HWC. Use HWC functions", private_output);
 337                 if (error)
 338                         *error = TDM_ERROR_BAD_REQUEST;
 339                 return NULL;
 340         }
 341
 342         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 343                 if (private_layer->index == index) {
 344                         _pthread_mutex_unlock(&private_display->lock);
 345                         return private_layer;
 346                 }
 347         }
 348
 349         _pthread_mutex_unlock(&private_display->lock);
 350
 351         return NULL;
 352 }
 353
 354 EXTERN tdm_error
 355 tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
 356                                                                         int *count)
 357 {
 358         OUTPUT_FUNC_ENTRY();
 359
 360         TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
 361         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 362
 363         _pthread_mutex_lock(&private_display->lock);
 364
 365         *props = (const tdm_prop *)private_output->caps.props;
 366         *count = private_output->caps.prop_count;
 367
 368         _pthread_mutex_unlock(&private_display->lock);
 369
 370         return ret;
 371 }
 372
 373 EXTERN tdm_error
 374 tdm_output_get_available_modes(tdm_output *output,
 375                                                            const tdm_output_mode **modes, int *count)
 376 {
 377         OUTPUT_FUNC_ENTRY();
 378
 379         TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
 380         TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 381
 382         _pthread_mutex_lock(&private_display->lock);
 383
 384         *modes = (const tdm_output_mode *)private_output->caps.modes;
 385         *count = private_output->caps.mode_count;
 386
 387         _pthread_mutex_unlock(&private_display->lock);
 388
 389         return ret;
 390 }
 391
 392 EXTERN tdm_error
 393 tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
 394                                                           int *max_w, int *max_h, int *preferred_align)
 395 {
 396         OUTPUT_FUNC_ENTRY();
 397
 398         _pthread_mutex_lock(&private_display->lock);
 399
 400         if (min_w)
 401                 *min_w = TDM_FRONT_VALUE(private_output->caps.min_w);
 402         if (min_h)
 403                 *min_h = TDM_FRONT_VALUE(private_output->caps.min_h);
 404         if (max_w)
 405                 *max_w = TDM_FRONT_VALUE(private_output->caps.max_w);
 406         if (max_h)
 407                 *max_h = TDM_FRONT_VALUE(private_output->caps.max_h);
 408         if (preferred_align)
 409                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.preferred_align);
 410
 411         _pthread_mutex_unlock(&private_display->lock);
 412
 413         return ret;
 414 }
 415
 416 EXTERN tdm_error
 417 tdm_output_get_cursor_available_size(tdm_output *output, int *min_w, int *min_h,
 418                                                                          int *max_w, int *max_h, int *preferred_align)
 419 {
 420         OUTPUT_FUNC_ENTRY();
 421
 422         _pthread_mutex_lock(&private_display->lock);
 423
 424         if (!tdm_display_check_module_abi(private_display, 1, 5)) {
 425
 426                 if (min_w)
 427                         *min_w = -1;
 428                 if (min_h)
 429                         *min_h = -1;
 430                 if (max_w)
 431                         *max_w = -1;
 432                 if (max_h)
 433                         *max_h = -1;
 434                 if (preferred_align)
 435                         *preferred_align = -1;
 436
 437                 _pthread_mutex_unlock(&private_display->lock);
 438
 439                 return TDM_ERROR_BAD_MODULE;
 440         }
 441
 442         if (min_w)
 443                 *min_w = TDM_FRONT_VALUE(private_output->caps.cursor_min_w);
 444         if (min_h)
 445                 *min_h = TDM_FRONT_VALUE(private_output->caps.cursor_min_h);
 446         if (max_w)
 447                 *max_w = TDM_FRONT_VALUE(private_output->caps.cursor_max_w);
 448         if (max_h)
 449                 *max_h = TDM_FRONT_VALUE(private_output->caps.cursor_max_h);
 450         if (preferred_align)
 451                 *preferred_align = TDM_FRONT_VALUE(private_output->caps.cursor_preferred_align);
 452
 453         _pthread_mutex_unlock(&private_display->lock);
 454
 455         return ret;
 456 }
 457
 458 EXTERN tdm_error
 459 tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
 460                                                          unsigned int *mmHeight)
 461 {
 462         OUTPUT_FUNC_ENTRY();
 463
 464         _pthread_mutex_lock(&private_display->lock);
 465
 466         if (mmWidth)
 467                 *mmWidth = private_output->caps.mmWidth;
 468         if (mmHeight)
 469                 *mmHeight = private_output->caps.mmHeight;
 470
 471         _pthread_mutex_unlock(&private_display->lock);
 472
 473         return ret;
 474 }
 475
 476 EXTERN tdm_error
 477 tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
 478 {
 479         OUTPUT_FUNC_ENTRY();
 480         TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
 481
 482         _pthread_mutex_lock(&private_display->lock);
 483
 484         *subpixel = private_output->caps.subpixel;
 485
 486         _pthread_mutex_unlock(&private_display->lock);
 487
 488         return ret;
 489 }
 490
 491 EXTERN tdm_error
 492 tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
 493 {
 494         OUTPUT_FUNC_ENTRY();
 495         TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
 496
 497         _pthread_mutex_lock(&private_display->lock);
 498
 499         *pipe = private_output->pipe;
 500
 501         _pthread_mutex_unlock(&private_display->lock);
 502
 503         return ret;
 504 }
 505
 506 EXTERN tdm_error
 507 tdm_output_get_primary_index(tdm_output *output, int *index)
 508 {
 509         tdm_private_layer *private_layer = NULL;
 510
 511         OUTPUT_FUNC_ENTRY();
 512         TDM_RETURN_VAL_IF_FAIL(index != NULL, TDM_ERROR_INVALID_PARAMETER);
 513
 514         _pthread_mutex_lock(&private_display->lock);
 515
 516         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 517                 if (private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_PRIMARY) {
 518                         *index = private_layer->index;
 519                         break;
 520                 }
 521         }
 522
 523         _pthread_mutex_unlock(&private_display->lock);
 524
 525         return ret;
 526 }
 527
 528 EXTERN tdm_error
 529 tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
 530 {
 531         tdm_func_output *func_output;
 532         OUTPUT_FUNC_ENTRY();
 533
 534         _pthread_mutex_lock(&private_display->lock);
 535
 536         func_output = &private_display->func_output;
 537
 538         if (!func_output->output_set_property) {
 539                 _pthread_mutex_unlock(&private_display->lock);
 540                 TDM_ERR("not implemented!!");
 541                 return TDM_ERROR_NOT_IMPLEMENTED;
 542         }
 543
 544         ret = func_output->output_set_property(private_output->output_backend, id,
 545                                                                                    value);
 546
 547         _pthread_mutex_unlock(&private_display->lock);
 548
 549         return ret;
 550 }
 551
 552 EXTERN tdm_error
 553 tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
 554 {
 555         tdm_func_output *func_output;
 556         OUTPUT_FUNC_ENTRY();
 557
 558         TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
 559
 560         _pthread_mutex_lock(&private_display->lock);
 561
 562         func_output = &private_display->func_output;
 563
 564         if (!func_output->output_get_property) {
 565                 _pthread_mutex_unlock(&private_display->lock);
 566                 TDM_ERR("not implemented!!");
 567                 return TDM_ERROR_NOT_IMPLEMENTED;
 568         }
 569
 570         ret = func_output->output_get_property(private_output->output_backend, id,
 571                                                                                    value);
 572
 573         _pthread_mutex_unlock(&private_display->lock);
 574
 575         return ret;
 576 }
 577
 578 INTERN void
 579 tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 580                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 581 {
 582         tdm_private_vblank_handler *vblank_handler = user_data;
 583         tdm_private_vblank_handler *v = NULL, *vv = NULL;
 584         tdm_private_output *private_output;
 585         tdm_private_display *private_display;
 586         struct list_head clone_list;
 587         int interval, sync;
 588         pid_t tid = syscall(SYS_gettid);
 589
 590         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 591         TDM_RETURN_IF_FAIL(vblank_handler);
 592
 593         private_output = vblank_handler->private_output;
 594         private_display = private_output->private_display;
 595
 596         if (vblank_handler->owner_tid != tid) {
 597                 tdm_thread_cb_output_vblank output_vblank;
 598                 tdm_error ret;
 599
 600                 output_vblank.base.type = TDM_THREAD_CB_OUTPUT_VBLANK;
 601                 output_vblank.base.length = sizeof output_vblank;
 602                 output_vblank.output_stamp = vblank_handler->private_output->stamp;
 603                 output_vblank.sequence = sequence;
 604                 output_vblank.tv_sec = tv_sec;
 605                 output_vblank.tv_usec = tv_usec;
 606                 output_vblank.user_data = user_data;
 607
 608                 ret = tdm_thread_send_cb(private_display->private_loop, &output_vblank.base);
 609                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 610
 611                 return;
 612         }
 613
 614         if (vblank_handler->owner_tid != tid)
 615                 TDM_NEVER_GET_HERE();
 616
 617         interval = vblank_handler->interval;
 618         sync = vblank_handler->sync;
 619
 620         LIST_INITHEAD(&clone_list);
 621
 622         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 623                 if (v->interval != interval || v->sync != sync || v->owner_tid != tid)
 624                         continue;
 625
 626                 LIST_DEL(&v->link);
 627                 LIST_ADDTAIL(&v->link, &clone_list);
 628         }
 629
 630         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 631                 TDM_INFO("----------------------------------------- output(%d) got vblank", private_output->pipe);
 632
 633         _pthread_mutex_unlock(&private_display->lock);
 634         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &clone_list, link) {
 635                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 636                         TDM_INFO("handler(%p)", v);
 637
 638                 LIST_DEL(&v->link);
 639
 640                 if (v->func)
 641                         v->func(v->private_output, sequence, tv_sec, tv_usec, v->user_data);
 642
 643                 free(v);
 644         }
 645         _pthread_mutex_lock(&private_display->lock);
 646
 647         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 648                 TDM_INFO("-----------------------------------------...");
 649 }
 650
 651 INTERN void
 652 tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
 653                                          unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 654 {
 655         tdm_private_output_commit_handler *output_commit_handler = user_data;
 656         tdm_private_display *private_display;
 657         tdm_private_output *private_output;
 658         tdm_private_layer *private_layer = NULL;
 659
 660         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 661
 662         if (!output_commit_handler)
 663                 return;
 664
 665         private_output = output_commit_handler->private_output;
 666         private_display = private_output->private_display;
 667
 668         if (output_commit_handler->owner_tid != syscall(SYS_gettid)) {
 669                 tdm_thread_cb_output_commit output_commit;
 670                 tdm_error ret;
 671
 672                 output_commit.base.type = TDM_THREAD_CB_OUTPUT_COMMIT;
 673                 output_commit.base.length = sizeof output_commit;
 674                 output_commit.output_stamp = private_output->stamp;
 675                 output_commit.sequence = sequence;
 676                 output_commit.tv_sec = tv_sec;
 677                 output_commit.tv_usec = tv_usec;
 678                 output_commit.user_data = user_data;
 679
 680                 ret = tdm_thread_send_cb(private_display->private_loop, &output_commit.base);
 681                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 682
 683                 return;
 684         }
 685
 686         LIST_DEL(&output_commit_handler->link);
 687
 688         if (tdm_debug_module & TDM_DEBUG_COMMIT) {
 689                 TDM_INFO("----------------------------------------- output(%d) committed", private_output->pipe);
 690                 TDM_INFO("handler(%p)", output_commit_handler);
 691         }
 692
 693         if (private_output->commit_type == TDM_COMMIT_TYPE_OUTPUT) {
 694                 /* In case of layer commit, the below will be handled in the layer commit callback */
 695                 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 696                         if (private_layer->committed_buffer)
 697                                 tdm_layer_committed(private_layer, &private_layer->committed_buffer);
 698                 }
 699         }
 700
 701         if (output_commit_handler->func) {
 702                 _pthread_mutex_unlock(&private_display->lock);
 703                 output_commit_handler->func(private_output, sequence,
 704                                                                         tv_sec, tv_usec, output_commit_handler->user_data);
 705                 _pthread_mutex_lock(&private_display->lock);
 706         }
 707
 708         free(output_commit_handler);
 709
 710         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 711                 TDM_INFO("-----------------------------------------...");
 712 }
 713
 714 /* add_front: To distinguish between the user vblank handlers and the layer
 715  *            commit vblank handlers. The layer commit handlers will be called
 716  *            before calling the user vblank handlers.
 717  */
 718 static tdm_error
 719 _tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 720                                                 tdm_output_vblank_handler func, void *user_data,
 721                                                 unsigned int add_front)
 722 {
 723         tdm_func_output *func_output;
 724         tdm_private_vblank_handler *vblank_handler = NULL, *v = NULL;
 725         unsigned int skip_request = 0;
 726         pid_t tid = syscall(SYS_gettid);
 727
 728         OUTPUT_FUNC_ENTRY();
 729
 730         func_output = &private_display->func_output;
 731
 732         /* interval SHOULD be at least 1 */
 733         if (interval <= 0)
 734                 interval = 1;
 735
 736         if (!func_output->output_wait_vblank) {
 737                 TDM_ERR("not implemented!!");
 738                 return TDM_ERROR_NOT_IMPLEMENTED;
 739         }
 740
 741         if (!private_output->regist_vblank_cb) {
 742                 private_output->regist_vblank_cb = 1;
 743                 ret = func_output->output_set_vblank_handler(private_output->output_backend,
 744                                 tdm_output_cb_vblank);
 745         }
 746
 747         vblank_handler = calloc(1, sizeof(tdm_private_vblank_handler));
 748         if (!vblank_handler) {
 749                 TDM_ERR("failed: alloc memory");
 750                 return TDM_ERROR_OUT_OF_MEMORY;
 751         }
 752
 753         if (tdm_debug_module & TDM_DEBUG_COMMIT)
 754                 TDM_INFO("output(%d) wait_vblank: handler(%p)", private_output->pipe, vblank_handler);
 755
 756         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 757                 if (v->interval == interval && v->sync == sync && v->owner_tid == tid) {
 758                         skip_request = 1;
 759                         break;
 760                 }
 761         }
 762
 763         if (add_front)
 764                 LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
 765         else
 766                 LIST_ADDTAIL(&vblank_handler->link, &private_output->vblank_handler_list);
 767
 768         vblank_handler->private_output = private_output;
 769         vblank_handler->interval = interval;
 770         vblank_handler->sync = sync;
 771         vblank_handler->func = func;
 772         vblank_handler->user_data = user_data;
 773         vblank_handler->owner_tid = tid;
 774
 775         /* If there is the previous request, we can skip to call output_wait_vblank() */
 776         if (!skip_request) {
 777                 ret = func_output->output_wait_vblank(private_output->output_backend, interval,
 778                                                                                           sync, vblank_handler);
 779                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, wait_failed);
 780
 781                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 782                         TDM_INFO("output(%d) backend wait_vblank", private_output->pipe);
 783         }
 784
 785         return ret;
 786
 787 wait_failed:
 788         if (vblank_handler) {
 789                 LIST_DEL(&vblank_handler->link);
 790                 free(vblank_handler);
 791         }
 792         return ret;
 793 }
 794
 795 EXTERN tdm_error
 796 tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
 797                                            tdm_output_vblank_handler func, void *user_data)
 798 {
 799         OUTPUT_FUNC_ENTRY();
 800
 801         _pthread_mutex_lock(&private_display->lock);
 802
 803         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
 804                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 805                                 tdm_dpms_str(private_output->current_dpms_value));
 806                 _pthread_mutex_unlock(&private_display->lock);
 807                 return TDM_ERROR_DPMS_OFF;
 808         }
 809
 810         ret = _tdm_output_wait_vblank(output, interval, sync, func, user_data, 0);
 811
 812         _pthread_mutex_unlock(&private_display->lock);
 813
 814         return ret;
 815 }
 816
 817 EXTERN tdm_error
 818 tdm_output_wait_vblank_add_front(tdm_output *output, int interval, int sync,
 819                                                                  tdm_output_vblank_handler func, void *user_data)
 820 {
 821         OUTPUT_FUNC_ENTRY();
 822
 823         _pthread_mutex_lock(&private_display->lock);
 824
 825         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
 826                 TDM_WRN("output(%d) dpms: %s", private_output->pipe,
 827                                 tdm_dpms_str(private_output->current_dpms_value));
 828                 _pthread_mutex_unlock(&private_display->lock);
 829                 return TDM_ERROR_DPMS_OFF;
 830         }
 831
 832         ret = _tdm_output_wait_vblank(output, interval, sync, func, user_data, 1);
 833
 834         _pthread_mutex_unlock(&private_display->lock);
 835
 836         return ret;
 837 }
 838
 839 INTERN void
 840 tdm_output_remove_vblank_handler_internal(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
 841 {
 842         tdm_private_output *private_output = (tdm_private_output*)output;
 843         tdm_private_vblank_handler *v = NULL;
 844
 845         TDM_RETURN_IF_FAIL(private_output != NULL);
 846         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 847
 848         LIST_FOR_EACH_ENTRY(v, &private_output->vblank_handler_list, link) {
 849                 if (v->func == func && v->user_data == user_data) {
 850                         /* only set func & user_data to NULL. It will be freed when an event occurs */
 851                         v->func = NULL;
 852                         v->user_data = NULL;
 853                         break;
 854                 }
 855         }
 856 }
 857
 858 INTERN void
 859 tdm_output_remove_commit_handler_internal(tdm_output *output, tdm_output_commit_handler func, void *user_data)
 860 {
 861         tdm_private_output *private_output = (tdm_private_output*)output;
 862         tdm_private_output_commit_handler *c = NULL;
 863
 864         TDM_RETURN_IF_FAIL(private_output != NULL);
 865         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 866
 867         LIST_FOR_EACH_ENTRY(c, &private_output->output_commit_handler_list, link) {
 868                 if (c->func == func && c->user_data == user_data) {
 869                         /* only set func & user_data to NULL. It will be freed when an event occurs */
 870                         c->func = NULL;
 871                         c->user_data = NULL;
 872                         break;
 873                 }
 874         }
 875 }
 876
 877 EXTERN tdm_error
 878 tdm_output_remove_vblank_handler(tdm_output *output, tdm_output_vblank_handler func, void *user_data)
 879 {
 880         OUTPUT_FUNC_ENTRY();
 881
 882         _pthread_mutex_lock(&private_display->lock);
 883
 884         tdm_output_remove_vblank_handler_internal(output, func, user_data);
 885
 886         _pthread_mutex_unlock(&private_display->lock);
 887
 888         return ret;
 889 }
 890
 891 EXTERN tdm_error
 892 tdm_output_remove_commit_handler(tdm_output *output, tdm_output_commit_handler func, void *user_data)
 893 {
 894         OUTPUT_FUNC_ENTRY();
 895
 896         _pthread_mutex_lock(&private_display->lock);
 897
 898         tdm_output_remove_commit_handler_internal(output, func, user_data);
 899
 900         _pthread_mutex_unlock(&private_display->lock);
 901
 902         return ret;
 903 }
 904
 905 INTERN tdm_error
 906 tdm_output_commit_internal(tdm_output *output, int sync, tdm_output_commit_handler func, void *user_data)
 907 {
 908         tdm_func_output *func_output;
 909         tdm_private_output_commit_handler *output_commit_handler = NULL;
 910         tdm_private_layer *private_layer = NULL;
 911         tdm_output_dpms dpms_value = TDM_OUTPUT_DPMS_ON;
 912
 913         OUTPUT_FUNC_ENTRY();
 914
 915         func_output = &private_display->func_output;
 916
 917         if (!func_output->output_commit) {
 918                 TDM_ERR("not implemented!!");
 919                 return TDM_ERROR_NOT_IMPLEMENTED;
 920         }
 921
 922         /* TODO: this is ugly. But before using tdm_output_get_dpms_internal, we have
 923          * to check if all backends's DPMS operation has no problem.
 924          */
 925         if (private_output->commit_per_vblank)
 926                 tdm_output_get_dpms_internal(output, &dpms_value);
 927         else
 928                 dpms_value = private_output->current_dpms_value;
 929
 930         if (dpms_value == TDM_OUTPUT_DPMS_ON) {
 931                 if (func) {
 932                         if (!private_output->regist_commit_cb) {
 933                                 private_output->regist_commit_cb = 1;
 934                                 ret = func_output->output_set_commit_handler(private_output->output_backend,
 935                                                         tdm_output_cb_commit);
 936                                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 937                         }
 938
 939                         output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
 940                         if (!output_commit_handler) {
 941                                 TDM_ERR("failed: alloc memory");
 942                                 return TDM_ERROR_OUT_OF_MEMORY;
 943                         }
 944
 945                         LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
 946                         output_commit_handler->private_output = private_output;
 947                         output_commit_handler->func = func;
 948                         output_commit_handler->user_data = user_data;
 949                         output_commit_handler->owner_tid = syscall(SYS_gettid);
 950                 }
 951
 952                 ret = func_output->output_commit(private_output->output_backend, sync,
 953                                 output_commit_handler);
 954                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 955
 956                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 957                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
 958                                         private_output->pipe, output_commit_handler, func, user_data);
 959         }
 960
 961         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
 962          * for tdm_layer_committed() function.
 963          */
 964         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 965                 if (!private_layer->waiting_buffer)
 966                         continue;
 967
 968                 private_layer->committed_buffer = private_layer->waiting_buffer;
 969                 private_layer->waiting_buffer = NULL;
 970                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 971                         TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
 972                                          private_layer, private_layer->waiting_buffer,
 973                                          private_layer->committed_buffer->buffer);
 974         }
 975
 976         if (dpms_value != TDM_OUTPUT_DPMS_ON) {
 977                 TDM_WRN("TDM_OUTPUT_DPMS_OFF. Directly call commit handler instead of commit.");
 978                 if (func)
 979                         func(output, 0, 0, 0, user_data);
 980         }
 981
 982         return ret;
 983
 984 commit_failed:
 985         if (output_commit_handler) {
 986                 LIST_DEL(&output_commit_handler->link);
 987                 free(output_commit_handler);
 988         }
 989         return ret;
 990 }
 991
 992 EXTERN tdm_error
 993 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
 994                                   void *user_data)
 995 {
 996         tdm_private_layer *private_layer = NULL;
 997
 998         OUTPUT_FUNC_ENTRY();
 999
1000         _pthread_mutex_lock(&private_display->lock);
1001
1002         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE)
1003                 private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
1004         else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1005                 TDM_ERR("Can't supported. Use tdm_layer_commit");
1006                 _pthread_mutex_unlock(&private_display->lock);
1007                 return TDM_ERROR_BAD_REQUEST;
1008         }
1009
1010         if (private_output->commit_per_vblank) {
1011                 TDM_ERR("Use tdm_layer_commit");
1012                 _pthread_mutex_unlock(&private_display->lock);
1013                 return TDM_ERROR_BAD_REQUEST;
1014         }
1015
1016         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
1017                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
1018                                 tdm_dpms_str(private_output->current_dpms_value));
1019                 _pthread_mutex_unlock(&private_display->lock);
1020                 return TDM_ERROR_DPMS_OFF;
1021         }
1022
1023         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1024                 TDM_INFO("output(%d) commit", private_output->pipe);
1025
1026         /* apply the pending data of all layers */
1027         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1028                 tdm_layer_commit_pending_data(private_layer);
1029         }
1030
1031         ret = tdm_output_commit_internal(output, sync, func, user_data);
1032
1033         _pthread_mutex_unlock(&private_display->lock);
1034
1035         return ret;
1036 }
1037
1038 EXTERN tdm_error
1039 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
1040 {
1041         tdm_func_output *func_output;
1042         OUTPUT_FUNC_ENTRY();
1043
1044         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1045
1046         _pthread_mutex_lock(&private_display->lock);
1047
1048         func_output = &private_display->func_output;
1049
1050         if (!func_output->output_set_mode) {
1051                 _pthread_mutex_unlock(&private_display->lock);
1052                 TDM_ERR("not implemented!!");
1053                 return TDM_ERROR_NOT_IMPLEMENTED;
1054         }
1055
1056         ret = func_output->output_set_mode(private_output->output_backend, mode);
1057         if (ret == TDM_ERROR_NONE)
1058                 private_output->current_mode = mode;
1059         _pthread_mutex_unlock(&private_display->lock);
1060
1061         return ret;
1062 }
1063
1064 EXTERN tdm_error
1065 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
1066 {
1067         OUTPUT_FUNC_ENTRY();
1068
1069         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1070
1071         _pthread_mutex_lock(&private_display->lock);
1072
1073         *mode = private_output->current_mode;
1074
1075         _pthread_mutex_unlock(&private_display->lock);
1076
1077         return ret;
1078 }
1079
1080 static tdm_error
1081 _tdm_output_dpms_changed_timeout(void *user_data)
1082 {
1083         tdm_private_output *private_output = user_data;
1084         tdm_value value;
1085
1086         value.u32 = private_output->current_dpms_value;
1087         tdm_output_call_change_handler_internal(private_output,
1088                                                                                         &private_output->change_handler_list_sub,
1089                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1090                                                                                         value, 0);
1091
1092         return TDM_ERROR_NONE;
1093 }
1094
1095 INTERN void
1096 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms, void *user_data)
1097 {
1098         tdm_private_display *private_display;
1099         tdm_private_output *private_output = user_data;
1100         tdm_value value;
1101
1102         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1103         TDM_RETURN_IF_FAIL(private_output);
1104
1105         private_display = private_output->private_display;
1106
1107         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
1108                 tdm_thread_cb_output_dpms output_dpms;
1109                 tdm_error ret;
1110
1111                 _tdm_output_update(output_backend, user_data);
1112
1113                 output_dpms.base.type = TDM_THREAD_CB_OUTPUT_DPMS;
1114                 output_dpms.base.length = sizeof output_dpms;
1115                 output_dpms.output_stamp = private_output->stamp;
1116                 output_dpms.dpms = dpms;
1117                 output_dpms.user_data = user_data;
1118
1119                 value.u32 = dpms;
1120                 tdm_output_call_change_handler_internal(private_output,
1121                                                                                                 &private_output->change_handler_list_sub,
1122                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1123                                                                                                 value, 0);
1124
1125                 ret = tdm_thread_send_cb(private_display->private_loop, &output_dpms.base);
1126                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1127
1128                 return;
1129         }
1130
1131         private_output->current_dpms_value = dpms;
1132         private_output->waiting_dpms_change = 0;
1133
1134         TDM_INFO("output(%d) dpms %s", private_output->pipe, tdm_dpms_str(dpms));
1135
1136         value.u32 = dpms;
1137         tdm_output_call_change_handler_internal(private_output,
1138                                                                                         &private_output->change_handler_list_main,
1139                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1140                                                                                         value, 0);
1141 }
1142
1143 EXTERN tdm_error
1144 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1145 {
1146         tdm_func_output *func_output;
1147         OUTPUT_FUNC_ENTRY();
1148
1149         if (dpms_value > TDM_OUTPUT_DPMS_OFF)
1150                 dpms_value = TDM_OUTPUT_DPMS_OFF;
1151
1152         _pthread_mutex_lock(&private_display->lock);
1153
1154         if (private_output->waiting_dpms_change) {
1155                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1156                 _pthread_mutex_unlock(&private_display->lock);
1157                 return TDM_ERROR_BAD_REQUEST;
1158         }
1159
1160         if (private_output->current_dpms_value == dpms_value) {
1161                 _pthread_mutex_unlock(&private_display->lock);
1162                 return TDM_ERROR_NONE;
1163         }
1164
1165         /** Use timer to call the output change callback of the sub-thread.
1166          * The output change callback of tdm_server and tdm_vblank was called
1167          * in the main thread. And it made the multi thread issue. If we use
1168          * the timer, we can call the sub-thread's output change callback in
1169          * sub-thread.
1170          */
1171         if (!private_output->dpms_changed_timer) {
1172                 private_output->dpms_changed_timer =
1173                         tdm_event_loop_add_timer_handler(private_output->private_display,
1174                                                                                          _tdm_output_dpms_changed_timeout, private_output, NULL);
1175                 if (!private_output->dpms_changed_timer) {
1176                         TDM_ERR("can't create dpms timer!!");
1177                         _pthread_mutex_unlock(&private_display->lock);
1178                         return TDM_ERROR_OUT_OF_MEMORY;
1179                 }
1180         }
1181
1182         func_output = &private_display->func_output;
1183
1184         if (func_output->output_set_dpms)
1185                 ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1186         else {
1187                 ret = TDM_ERROR_NONE;
1188                 TDM_WRN("not implemented!!");
1189                 goto done;
1190         }
1191
1192 done:
1193         if (ret == TDM_ERROR_NONE) {
1194                 tdm_value value;
1195
1196                 private_output->current_dpms_value = dpms_value;
1197                 TDM_INFO("output(%d) dpms %s", private_output->pipe, tdm_dpms_str(dpms_value));
1198
1199                 value.u32 = dpms_value;
1200                 tdm_output_call_change_handler_internal(private_output,
1201                                                                                                 &private_output->change_handler_list_main,
1202                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1203                                                                                                 value, 0);
1204
1205                 if (!LIST_IS_EMPTY(&private_output->change_handler_list_sub)) {
1206                         ret = tdm_event_loop_source_timer_update(private_output->dpms_changed_timer, 1);
1207                         if (ret != TDM_ERROR_NONE)
1208                                 TDM_NEVER_GET_HERE();
1209                 }
1210         }
1211
1212         _pthread_mutex_unlock(&private_display->lock);
1213
1214         return ret;
1215 }
1216
1217 EXTERN tdm_error
1218 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
1219 {
1220         tdm_func_output *func_output;
1221         OUTPUT_FUNC_ENTRY();
1222
1223         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_ASYNC_DPMS)) {
1224                 TDM_ERR("output doesn't support the asynchronous DPMS control!");
1225                 return TDM_ERROR_BAD_REQUEST;
1226         }
1227
1228         if (dpms_value > TDM_OUTPUT_DPMS_OFF)
1229                 dpms_value = TDM_OUTPUT_DPMS_OFF;
1230
1231         _pthread_mutex_lock(&private_display->lock);
1232
1233         if (private_output->waiting_dpms_change) {
1234                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1235                 _pthread_mutex_unlock(&private_display->lock);
1236                 return TDM_ERROR_BAD_REQUEST;
1237         }
1238
1239         if (private_output->current_dpms_value == dpms_value) {
1240                 _pthread_mutex_unlock(&private_display->lock);
1241                 return TDM_ERROR_NONE;
1242         }
1243
1244         func_output = &private_display->func_output;
1245         if (!func_output->output_set_dpms_handler) {
1246                 TDM_ERR("not implemented: output_set_dpms_handler");
1247                 _pthread_mutex_unlock(&private_display->lock);
1248                 return TDM_ERROR_NOT_IMPLEMENTED;
1249         }
1250
1251         if (!func_output->output_set_dpms_async) {
1252                 TDM_ERR("not implemented: output_set_dpms_async");
1253                 _pthread_mutex_unlock(&private_display->lock);
1254                 return TDM_ERROR_NOT_IMPLEMENTED;
1255         }
1256
1257         if (!private_output->regist_dpms_cb) {
1258                 private_output->regist_dpms_cb = 1;
1259                 ret = func_output->output_set_dpms_handler(private_output->output_backend,
1260                                 tdm_output_cb_dpms, private_output);
1261                 if (ret != TDM_ERROR_NONE) {
1262                         _pthread_mutex_unlock(&private_display->lock);
1263                         TDM_ERR("Can't set the dpms handler!!");
1264                         return ret;
1265                 }
1266         }
1267
1268         ret = func_output->output_set_dpms_async(private_output->output_backend, dpms_value);
1269
1270         if (ret == TDM_ERROR_NONE)
1271                 private_output->waiting_dpms_change = 1;
1272
1273         _pthread_mutex_unlock(&private_display->lock);
1274
1275         return ret;
1276 }
1277
1278 INTERN tdm_error
1279 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1280 {
1281         tdm_func_output *func_output;
1282         OUTPUT_FUNC_ENTRY();
1283
1284         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1285
1286         func_output = &private_display->func_output;
1287
1288         if (!func_output->output_get_dpms) {
1289                 *dpms_value = private_output->current_dpms_value;
1290                 TDM_WRN("not implemented!!");
1291                 return TDM_ERROR_NONE;
1292         }
1293
1294         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1295         if (ret != TDM_ERROR_NONE) {
1296                 TDM_ERR("output_get_dpms failed");
1297                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1298         }
1299
1300         /* TODO: this is ugly. But we have to check if all backends's DPMS operation has no problem. */
1301         if (private_output->commit_per_vblank)
1302                 if (*dpms_value != private_output->current_dpms_value) {
1303                         private_output->current_dpms_value = *dpms_value;
1304                         TDM_ERR("output(%d) dpms changed suddenly: %s",
1305                                         private_output->pipe, tdm_dpms_str(*dpms_value));
1306                 }
1307
1308         return ret;
1309 }
1310
1311 EXTERN tdm_error
1312 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1313 {
1314         OUTPUT_FUNC_ENTRY();
1315
1316         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1317
1318         _pthread_mutex_lock(&private_display->lock);
1319
1320         ret = tdm_output_get_dpms_internal(output, dpms_value);
1321
1322         _pthread_mutex_unlock(&private_display->lock);
1323
1324         return ret;
1325 }
1326
1327 EXTERN tdm_capture *
1328 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1329 {
1330         tdm_capture *capture = NULL;
1331
1332         OUTPUT_FUNC_ENTRY_ERROR();
1333
1334         _pthread_mutex_lock(&private_display->lock);
1335
1336         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1337
1338         _pthread_mutex_unlock(&private_display->lock);
1339
1340         return capture;
1341 }
1342
1343 EXTERN tdm_hwc_window *
1344 tdm_output_hwc_create_window(tdm_output *output, tdm_error *error)
1345 {
1346         tdm_hwc_window *hwc_window = NULL;
1347
1348         OUTPUT_FUNC_ENTRY_ERROR();
1349
1350         _pthread_mutex_lock(&private_display->lock);
1351
1352         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1353                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, error);
1354         else {
1355                 TDM_ERR("output(%p) not support HWC", private_output);
1356                 if (error)
1357                         *error = TDM_ERROR_BAD_REQUEST;
1358         }
1359
1360         _pthread_mutex_unlock(&private_display->lock);
1361
1362         return hwc_window;
1363 }
1364
1365 EXTERN tdm_error
1366 tdm_output_hwc_destroy_window(tdm_output *output, tdm_hwc_window *hwc_window)
1367 {
1368         OUTPUT_FUNC_ENTRY();
1369
1370         TDM_RETURN_VAL_IF_FAIL(hwc_window != NULL, TDM_ERROR_INVALID_PARAMETER);
1371
1372         _pthread_mutex_lock(&private_display->lock);
1373
1374         ret = tdm_hwc_window_destroy_internal(hwc_window);
1375
1376         _pthread_mutex_unlock(&private_display->lock);
1377
1378         return ret;
1379 }
1380
1381 EXTERN tdm_error
1382 tdm_output_hwc_validate(tdm_output *output, uint32_t *num_types)
1383 {
1384         tdm_func_output *func_output = NULL;
1385
1386         OUTPUT_FUNC_ENTRY();
1387
1388         TDM_RETURN_VAL_IF_FAIL(num_types != NULL, TDM_ERROR_INVALID_PARAMETER);
1389
1390         _pthread_mutex_lock(&private_display->lock);
1391
1392         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1393                 TDM_ERR("output(%p) not support HWC", private_output);
1394                 _pthread_mutex_unlock(&private_display->lock);
1395                 return TDM_ERROR_BAD_REQUEST;
1396         }
1397
1398         func_output = &private_display->func_output;
1399
1400         if (!func_output->output_hwc_validate) {
1401                 _pthread_mutex_unlock(&private_display->lock);
1402                 TDM_ERR("not implemented!!");
1403                 return TDM_ERROR_NOT_IMPLEMENTED;
1404         }
1405
1406         ret = func_output->output_hwc_validate(private_output->output_backend, num_types);
1407
1408         _pthread_mutex_unlock(&private_display->lock);
1409
1410         return ret;
1411 }
1412
1413 EXTERN tdm_error
1414 tdm_output_hwc_set_need_validate_handler(tdm_output *output,
1415                 tdm_output_need_validate_handler hndl)
1416 {
1417         OUTPUT_FUNC_ENTRY();
1418
1419         TDM_RETURN_VAL_IF_FAIL(hndl != NULL, TDM_ERROR_INVALID_PARAMETER);
1420
1421         _pthread_mutex_lock(&private_display->lock);
1422
1423         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1424                 TDM_ERR("output(%p) not support HWC", private_output);
1425                 _pthread_mutex_unlock(&private_display->lock);
1426                 return TDM_ERROR_BAD_REQUEST;
1427         }
1428
1429         /* there's no reason to allow this */
1430         if (private_output->need_validate.hndl) {
1431
1432                 _pthread_mutex_unlock(&private_display->lock);
1433                 return TDM_ERROR_OPERATION_FAILED;
1434         }
1435
1436         private_output->need_validate.hndl = hndl;
1437
1438         _pthread_mutex_unlock(&private_display->lock);
1439
1440         return ret;
1441 }
1442
1443 EXTERN tdm_error
1444 tdm_output_hwc_get_changed_composition_types(tdm_output *output,
1445                                                                                  uint32_t *num_elements,
1446                                                                                  tdm_hwc_window **hwc_window,
1447                                                                                  tdm_hwc_window_composition *composition_types)
1448 {
1449         tdm_func_output *func_output = NULL;
1450         tdm_private_hwc_window * private_hwc_window = NULL;
1451         int i = 0;
1452
1453         OUTPUT_FUNC_ENTRY();
1454
1455         TDM_RETURN_VAL_IF_FAIL(num_elements != NULL, TDM_ERROR_INVALID_PARAMETER);
1456
1457         _pthread_mutex_lock(&private_display->lock);
1458
1459         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1460                 TDM_ERR("output(%p) not support HWC", private_output);
1461                 _pthread_mutex_unlock(&private_display->lock);
1462                 return TDM_ERROR_BAD_REQUEST;
1463         }
1464
1465         func_output = &private_display->func_output;
1466
1467         if (!func_output->output_hwc_get_changed_composition_types) {
1468                 _pthread_mutex_unlock(&private_display->lock);
1469                 TDM_ERR("not implemented!!");
1470                 return TDM_ERROR_NOT_IMPLEMENTED;
1471         }
1472
1473         ret = func_output->output_hwc_get_changed_composition_types(private_output->output_backend,
1474                                                         num_elements, hwc_window, composition_types);
1475         if (ret != TDM_ERROR_NONE) {
1476                 _pthread_mutex_unlock(&private_display->lock);
1477                 return ret;
1478         }
1479
1480         if (hwc_window == NULL || composition_types == NULL) {
1481                 _pthread_mutex_unlock(&private_display->lock);
1482                 return TDM_ERROR_NONE;
1483         }
1484
1485         for (i = 0; i < *num_elements; i++) {
1486
1487                 private_hwc_window = _tdm_output_find_private_hwc_window(private_output, hwc_window[i]);
1488
1489                 if (private_hwc_window == NULL) {
1490                         TDM_ERR("failed! This should never happen!");
1491                         func_output->output_hwc_destroy_window(private_output->output_backend, hwc_window[i]);
1492                         *num_elements = 0;
1493                         _pthread_mutex_unlock(&private_display->lock);
1494                         return TDM_ERROR_OPERATION_FAILED;
1495                 }
1496
1497                 hwc_window[i] = (tdm_hwc_window*)private_hwc_window;
1498         }
1499
1500         _pthread_mutex_unlock(&private_display->lock);
1501
1502         return ret;
1503 }
1504
1505 tdm_error
1506 tdm_output_hwc_accept_changes(tdm_output *output)
1507 {
1508         tdm_func_output *func_output = NULL;
1509
1510         OUTPUT_FUNC_ENTRY();
1511
1512         _pthread_mutex_lock(&private_display->lock);
1513
1514         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1515                 TDM_ERR("output(%p) not support HWC", private_output);
1516                 _pthread_mutex_unlock(&private_display->lock);
1517                 return TDM_ERROR_BAD_REQUEST;
1518         }
1519
1520         func_output = &private_display->func_output;
1521
1522         if (!func_output->output_hwc_validate) {
1523                 _pthread_mutex_unlock(&private_display->lock);
1524                 TDM_ERR("not implemented!!");
1525                 return TDM_ERROR_NOT_IMPLEMENTED;
1526         }
1527
1528         ret = func_output->output_hwc_accept_changes(private_output->output_backend);
1529
1530         _pthread_mutex_unlock(&private_display->lock);
1531
1532         return ret;
1533 }
1534
1535 tbm_surface_queue_h
1536 tdm_output_hwc_get_target_buffer_queue(tdm_output *output, tdm_error *error)
1537 {
1538         tdm_func_output *func_output = NULL;
1539         tbm_surface_queue_h queue = NULL;
1540
1541         OUTPUT_FUNC_ENTRY_ERROR();
1542
1543         _pthread_mutex_lock(&private_display->lock);
1544
1545         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1546                 TDM_ERR("output(%p) not support HWC", private_output);
1547                 if (error)
1548                         *error = TDM_ERROR_BAD_REQUEST;
1549                 _pthread_mutex_unlock(&private_display->lock);
1550                 return NULL;
1551         }
1552
1553         func_output = &private_display->func_output;
1554
1555         if (!func_output->output_hwc_get_target_buffer_queue) {
1556                 _pthread_mutex_unlock(&private_display->lock);
1557                 TDM_ERR("not implemented!!");
1558                 return NULL;
1559         }
1560
1561         queue = func_output->output_hwc_get_target_buffer_queue(private_output->output_backend, error);
1562
1563         _pthread_mutex_unlock(&private_display->lock);
1564
1565         return queue;
1566 }
1567
1568 static void
1569 _tdm_target_window_dump_buffer(tdm_private_output *private_output, tbm_surface_h buffer)
1570 {
1571         unsigned int pipe;
1572         char fname[PATH_MAX];
1573
1574         pipe = private_output->pipe;
1575
1576         snprintf(fname, sizeof(fname), "tdm_%d_target_win", pipe);
1577
1578         tbm_surface_internal_dump_buffer(buffer, fname);
1579         TDM_DBG("%s dump excute", fname);
1580
1581         return;
1582 }
1583
1584 EXTERN tdm_error
1585 tdm_output_hwc_set_client_target_buffer(tdm_output *output, tbm_surface_h target_buffer,
1586                                                                         tdm_hwc_region damage)
1587 {
1588         tdm_func_output *func_output = NULL;
1589
1590         OUTPUT_FUNC_ENTRY();
1591
1592         _pthread_mutex_lock(&private_display->lock);
1593
1594         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1595                 TDM_ERR("output(%p) not support HWC", private_output);
1596                 _pthread_mutex_unlock(&private_display->lock);
1597                 return TDM_ERROR_BAD_REQUEST;
1598         }
1599
1600         if (tdm_debug_dump & TDM_DUMP_FLAG_WINDOW) {
1601                 char str[TDM_PATH_LEN];
1602                 static int i;
1603                 snprintf(str, TDM_PATH_LEN, "target_window_%d_%03d",
1604                                  private_output->index, i++);
1605                 tdm_helper_dump_buffer_str(target_buffer, tdm_debug_dump_dir, str);
1606         }
1607
1608         func_output = &private_display->func_output;
1609
1610         if (!func_output->output_hwc_set_client_target_buffer) {
1611                 _pthread_mutex_unlock(&private_display->lock);
1612                 TDM_ERR("not implemented!!");
1613                 return TDM_ERROR_NOT_IMPLEMENTED;
1614         }
1615
1616         /* dump buffer */
1617         if (tdm_dump_enable)
1618                 _tdm_target_window_dump_buffer((tdm_private_output *)output, target_buffer);
1619
1620         ret = func_output->output_hwc_set_client_target_buffer(private_output->output_backend, target_buffer, damage);
1621
1622         _pthread_mutex_unlock(&private_display->lock);
1623
1624         return ret;
1625 }
1626
1627 INTERN void
1628 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
1629                                                                                 struct list_head *change_handler_list,
1630                                                                                 tdm_output_change_type type,
1631                                                                                 tdm_value value,
1632                                                                                 int no_check_thread_id)
1633 {
1634         tdm_private_display *private_display;
1635         tdm_private_change_handler *change_handler = NULL;
1636
1637         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1638         TDM_RETURN_IF_FAIL(private_output);
1639
1640         private_display = private_output->private_display;
1641         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
1642                 if (type & TDM_OUTPUT_CHANGE_CONNECTION)
1643                         TDM_INFO("output(%d) changed: %s (%d)",
1644                                          private_output->pipe, tdm_status_str(value.u32), value.u32);
1645                 if (type & TDM_OUTPUT_CHANGE_DPMS)
1646                         TDM_INFO("output(%d) changed: dpms %s (%d)",
1647                                          private_output->pipe, tdm_dpms_str(value.u32), value.u32);
1648         }
1649
1650         if (LIST_IS_EMPTY(change_handler_list))
1651                 return;
1652
1653         LIST_FOR_EACH_ENTRY(change_handler, change_handler_list, link) {
1654                 if (!no_check_thread_id && change_handler->owner_tid != syscall(SYS_gettid))
1655                         TDM_NEVER_GET_HERE();
1656
1657                 _pthread_mutex_unlock(&private_display->lock);
1658                 change_handler->func(private_output, type,
1659                                                          value, change_handler->user_data);
1660                 _pthread_mutex_lock(&private_display->lock);
1661         }
1662 }
1663
1664
1665 /* gets called on behalf of the ecore-main-loop thread */
1666 INTERN tdm_error
1667 tdm_output_cb_need_validate(tdm_private_output *private_output)
1668 {
1669         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1670
1671         TDM_INFO("tdm-backend asks for revalidation for the output:%p.", private_output);
1672
1673         if (private_output->need_validate.hndl)
1674                 private_output->need_validate.hndl((tdm_output*)private_output);
1675
1676         return TDM_ERROR_NONE;
1677 }
1678
1679 /* gets called on behalf of the tdm-thread */
1680 static tdm_error
1681 _need_validate_handler(int fd, tdm_event_loop_mask mask, void *user_data)
1682 {
1683         tdm_thread_cb_need_validate ev;
1684         tdm_private_output *private_output;
1685         tdm_error ret;
1686
1687         private_output = (tdm_private_output *)user_data;
1688
1689         ev.base.type = TDM_THREAD_CB_NEED_VALIDATE;
1690         ev.base.length = sizeof ev;
1691         ev.o = private_output;
1692
1693         ret = tdm_thread_send_cb(private_output->private_display->private_loop, &ev.base);
1694         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1695
1696         TDM_INFO("tdm-thread: get a 'need to revalidate' event for the ouptut:%p.", private_output);
1697
1698         /* who cares about this? */
1699         return TDM_ERROR_NONE;
1700 }
1701
1702 INTERN tdm_error
1703 tdm_output_need_validate_event_init(tdm_output *output)
1704 {
1705         int fd;
1706
1707         OUTPUT_FUNC_ENTRY();
1708
1709         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), TDM_ERROR_OPERATION_FAILED);
1710
1711         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1712                 TDM_ERR("output(%p) not support HWC", private_output);
1713                 return TDM_ERROR_BAD_REQUEST;
1714         }
1715
1716         /* build in eventfd fds into event_loop listened & handled by the tdm-thread */
1717         fd = eventfd(0, 0);
1718         TDM_WARNING_IF_FAIL(fd >= 0);
1719
1720         tdm_event_loop_add_fd_handler(private_display, fd,      TDM_EVENT_LOOP_READABLE,
1721                         _need_validate_handler, private_output, &ret);
1722         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1723
1724         private_output->need_validate.event_fd = fd;
1725
1726         TDM_INFO("register an output:%p for the revalidation, event_fd:%d.", private_output, fd);
1727
1728         return ret;
1729 }
1730
1731 INTERN tdm_error
1732 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
1733 {
1734         if (!private_output)
1735                 return TDM_ERROR_INVALID_PARAMETER;
1736
1737         if (mode < 0 || mode > 2)
1738                 return TDM_ERROR_INVALID_PARAMETER;
1739
1740         private_output->commit_per_vblank = mode;
1741
1742         if (private_output->commit_per_vblank == 0)
1743                 TDM_INFO("commit per vblank: disable");
1744         else if (private_output->commit_per_vblank == 1)
1745                 TDM_INFO("commit per vblank: enable (1 layer)");
1746         else if (private_output->commit_per_vblank == 2)
1747                 TDM_INFO("commit per vblank: enable (previous commit)");
1748
1749         return TDM_ERROR_NONE;
1750 }