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         ret = tdm_output_get_dpms_internal(output, &dpms_value);
 923         TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
 924
 925         if (dpms_value == TDM_OUTPUT_DPMS_ON) {
 926                 if (func) {
 927                         if (!private_output->regist_commit_cb) {
 928                                 private_output->regist_commit_cb = 1;
 929                                 ret = func_output->output_set_commit_handler(private_output->output_backend,
 930                                                         tdm_output_cb_commit);
 931                                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 932                         }
 933
 934                         output_commit_handler = calloc(1, sizeof(tdm_private_output_commit_handler));
 935                         if (!output_commit_handler) {
 936                                 TDM_ERR("failed: alloc memory");
 937                                 return TDM_ERROR_OUT_OF_MEMORY;
 938                         }
 939
 940                         LIST_ADDTAIL(&output_commit_handler->link, &private_output->output_commit_handler_list);
 941                         output_commit_handler->private_output = private_output;
 942                         output_commit_handler->func = func;
 943                         output_commit_handler->user_data = user_data;
 944                         output_commit_handler->owner_tid = syscall(SYS_gettid);
 945                 }
 946
 947                 ret = func_output->output_commit(private_output->output_backend, sync,
 948                                 output_commit_handler);
 949                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, commit_failed);
 950
 951                 if (tdm_debug_module & TDM_DEBUG_COMMIT)
 952                         TDM_INFO("output(%d) backend commit: handle(%p) func(%p) user_data(%p)",
 953                                         private_output->pipe, output_commit_handler, func, user_data);
 954         }
 955
 956         /* Even if DPMS is off, committed_buffer should be changed because it will be referred
 957          * for tdm_layer_committed() function.
 958          */
 959         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
 960                 if (!private_layer->waiting_buffer)
 961                         continue;
 962
 963                 private_layer->committed_buffer = private_layer->waiting_buffer;
 964                 private_layer->waiting_buffer = NULL;
 965                 if (tdm_debug_module & TDM_DEBUG_BUFFER)
 966                         TDM_INFO("layer(%p) waiting_buffer(%p) committed_buffer(%p)",
 967                                          private_layer, private_layer->waiting_buffer,
 968                                          private_layer->committed_buffer->buffer);
 969         }
 970
 971         if (dpms_value != TDM_OUTPUT_DPMS_ON) {
 972                 TDM_WRN("TDM_OUTPUT_DPMS_OFF. Directly call commit handler instead of commit.");
 973                 if (func)
 974                         func(output, 0, 0, 0, user_data);
 975         }
 976
 977         return ret;
 978
 979 commit_failed:
 980         if (output_commit_handler) {
 981                 LIST_DEL(&output_commit_handler->link);
 982                 free(output_commit_handler);
 983         }
 984         return ret;
 985 }
 986
 987 EXTERN tdm_error
 988 tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
 989                                   void *user_data)
 990 {
 991         tdm_private_layer *private_layer = NULL;
 992
 993         OUTPUT_FUNC_ENTRY();
 994
 995         _pthread_mutex_lock(&private_display->lock);
 996
 997         if (private_output->commit_type == TDM_COMMIT_TYPE_NONE)
 998                 private_output->commit_type = TDM_COMMIT_TYPE_OUTPUT;
 999         else if (private_output->commit_type == TDM_COMMIT_TYPE_LAYER) {
1000                 TDM_ERR("Can't supported. Use tdm_layer_commit");
1001                 _pthread_mutex_unlock(&private_display->lock);
1002                 return TDM_ERROR_BAD_REQUEST;
1003         }
1004
1005         if (private_output->commit_per_vblank) {
1006                 TDM_ERR("Use tdm_layer_commit");
1007                 _pthread_mutex_unlock(&private_display->lock);
1008                 return TDM_ERROR_BAD_REQUEST;
1009         }
1010
1011         if (private_output->current_dpms_value > TDM_OUTPUT_DPMS_ON) {
1012                 TDM_ERR("output(%d) dpms: %s", private_output->pipe,
1013                                 tdm_dpms_str(private_output->current_dpms_value));
1014                 _pthread_mutex_unlock(&private_display->lock);
1015                 return TDM_ERROR_DPMS_OFF;
1016         }
1017
1018         if (tdm_debug_module & TDM_DEBUG_COMMIT)
1019                 TDM_INFO("output(%d) commit", private_output->pipe);
1020
1021         /* apply the pending data of all layers */
1022         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
1023                 tdm_layer_commit_pending_data(private_layer);
1024         }
1025
1026         ret = tdm_output_commit_internal(output, sync, func, user_data);
1027
1028         _pthread_mutex_unlock(&private_display->lock);
1029
1030         return ret;
1031 }
1032
1033 EXTERN tdm_error
1034 tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
1035 {
1036         tdm_func_output *func_output;
1037         OUTPUT_FUNC_ENTRY();
1038
1039         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1040
1041         _pthread_mutex_lock(&private_display->lock);
1042
1043         func_output = &private_display->func_output;
1044
1045         if (!func_output->output_set_mode) {
1046                 _pthread_mutex_unlock(&private_display->lock);
1047                 TDM_ERR("not implemented!!");
1048                 return TDM_ERROR_NOT_IMPLEMENTED;
1049         }
1050
1051         ret = func_output->output_set_mode(private_output->output_backend, mode);
1052         if (ret == TDM_ERROR_NONE)
1053                 private_output->current_mode = mode;
1054         _pthread_mutex_unlock(&private_display->lock);
1055
1056         return ret;
1057 }
1058
1059 EXTERN tdm_error
1060 tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
1061 {
1062         OUTPUT_FUNC_ENTRY();
1063
1064         TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
1065
1066         _pthread_mutex_lock(&private_display->lock);
1067
1068         *mode = private_output->current_mode;
1069
1070         _pthread_mutex_unlock(&private_display->lock);
1071
1072         return ret;
1073 }
1074
1075 static tdm_error
1076 _tdm_output_dpms_changed_timeout(void *user_data)
1077 {
1078         tdm_private_output *private_output = user_data;
1079         tdm_value value;
1080
1081         value.u32 = private_output->current_dpms_value;
1082         tdm_output_call_change_handler_internal(private_output,
1083                                                                                         &private_output->change_handler_list_sub,
1084                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1085                                                                                         value, 0);
1086
1087         return TDM_ERROR_NONE;
1088 }
1089
1090 INTERN void
1091 tdm_output_cb_dpms(tdm_output *output_backend, tdm_output_dpms dpms, void *user_data)
1092 {
1093         tdm_private_display *private_display;
1094         tdm_private_output *private_output = user_data;
1095         tdm_value value;
1096
1097         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1098         TDM_RETURN_IF_FAIL(private_output);
1099
1100         private_display = private_output->private_display;
1101
1102         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
1103                 tdm_thread_cb_output_dpms output_dpms;
1104                 tdm_error ret;
1105
1106                 _tdm_output_update(output_backend, user_data);
1107
1108                 output_dpms.base.type = TDM_THREAD_CB_OUTPUT_DPMS;
1109                 output_dpms.base.length = sizeof output_dpms;
1110                 output_dpms.output_stamp = private_output->stamp;
1111                 output_dpms.dpms = dpms;
1112                 output_dpms.user_data = user_data;
1113
1114                 value.u32 = dpms;
1115                 tdm_output_call_change_handler_internal(private_output,
1116                                                                                                 &private_output->change_handler_list_sub,
1117                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1118                                                                                                 value, 0);
1119
1120                 ret = tdm_thread_send_cb(private_display->private_loop, &output_dpms.base);
1121                 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1122
1123                 return;
1124         }
1125
1126         private_output->current_dpms_value = dpms;
1127         private_output->waiting_dpms_change = 0;
1128
1129         TDM_INFO("output(%d) dpms async '%s' done", private_output->pipe, tdm_dpms_str(dpms));
1130
1131         value.u32 = dpms;
1132         tdm_output_call_change_handler_internal(private_output,
1133                                                                                         &private_output->change_handler_list_main,
1134                                                                                         TDM_OUTPUT_CHANGE_DPMS,
1135                                                                                         value, 0);
1136 }
1137
1138 EXTERN tdm_error
1139 tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
1140 {
1141         tdm_func_output *func_output;
1142         OUTPUT_FUNC_ENTRY();
1143
1144         if (dpms_value > TDM_OUTPUT_DPMS_OFF)
1145                 dpms_value = TDM_OUTPUT_DPMS_OFF;
1146
1147         _pthread_mutex_lock(&private_display->lock);
1148
1149         if (private_output->waiting_dpms_change) {
1150                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1151                 _pthread_mutex_unlock(&private_display->lock);
1152                 return TDM_ERROR_BAD_REQUEST;
1153         }
1154
1155         if (private_output->current_dpms_value == dpms_value) {
1156                 _pthread_mutex_unlock(&private_display->lock);
1157                 return TDM_ERROR_NONE;
1158         }
1159
1160         /** Use timer to call the output change callback of the sub-thread.
1161          * The output change callback of tdm_server and tdm_vblank was called
1162          * in the main thread. And it made the multi thread issue. If we use
1163          * the timer, we can call the sub-thread's output change callback in
1164          * sub-thread.
1165          */
1166         if (!private_output->dpms_changed_timer) {
1167                 private_output->dpms_changed_timer =
1168                         tdm_event_loop_add_timer_handler(private_output->private_display,
1169                                                                                          _tdm_output_dpms_changed_timeout, private_output, NULL);
1170                 if (!private_output->dpms_changed_timer) {
1171                         TDM_ERR("can't create dpms timer!!");
1172                         _pthread_mutex_unlock(&private_display->lock);
1173                         return TDM_ERROR_OUT_OF_MEMORY;
1174                 }
1175         }
1176
1177         func_output = &private_display->func_output;
1178
1179         TDM_INFO("output(%d) dpms '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1180
1181         if (func_output->output_set_dpms)
1182                 ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1183         else {
1184                 ret = TDM_ERROR_NONE;
1185                 TDM_WRN("not implemented!!");
1186                 goto done;
1187         }
1188
1189 done:
1190         if (ret == TDM_ERROR_NONE) {
1191                 tdm_value value;
1192
1193                 private_output->current_dpms_value = dpms_value;
1194                 TDM_INFO("output(%d) dpms '%s' done", private_output->pipe, tdm_dpms_str(dpms_value));
1195
1196                 value.u32 = dpms_value;
1197                 tdm_output_call_change_handler_internal(private_output,
1198                                                                                                 &private_output->change_handler_list_main,
1199                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1200                                                                                                 value, 0);
1201
1202                 if (!LIST_IS_EMPTY(&private_output->change_handler_list_sub)) {
1203                         ret = tdm_event_loop_source_timer_update(private_output->dpms_changed_timer, 1);
1204                         if (ret != TDM_ERROR_NONE)
1205                                 TDM_NEVER_GET_HERE();
1206                 }
1207         }
1208
1209         _pthread_mutex_unlock(&private_display->lock);
1210
1211         return ret;
1212 }
1213
1214 EXTERN tdm_error
1215 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
1216 {
1217         tdm_func_output *func_output;
1218         OUTPUT_FUNC_ENTRY();
1219
1220         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_ASYNC_DPMS)) {
1221                 TDM_ERR("output doesn't support the asynchronous DPMS control!");
1222                 return TDM_ERROR_BAD_REQUEST;
1223         }
1224
1225         if (dpms_value > TDM_OUTPUT_DPMS_OFF)
1226                 dpms_value = TDM_OUTPUT_DPMS_OFF;
1227
1228         _pthread_mutex_lock(&private_display->lock);
1229
1230         if (private_output->waiting_dpms_change) {
1231                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1232                 _pthread_mutex_unlock(&private_display->lock);
1233                 return TDM_ERROR_BAD_REQUEST;
1234         }
1235
1236         if (private_output->current_dpms_value == dpms_value) {
1237                 _pthread_mutex_unlock(&private_display->lock);
1238                 return TDM_ERROR_NONE;
1239         }
1240
1241         func_output = &private_display->func_output;
1242         if (!func_output->output_set_dpms_handler) {
1243                 TDM_ERR("not implemented: output_set_dpms_handler");
1244                 _pthread_mutex_unlock(&private_display->lock);
1245                 return TDM_ERROR_NOT_IMPLEMENTED;
1246         }
1247
1248         if (!func_output->output_set_dpms_async) {
1249                 TDM_ERR("not implemented: output_set_dpms_async");
1250                 _pthread_mutex_unlock(&private_display->lock);
1251                 return TDM_ERROR_NOT_IMPLEMENTED;
1252         }
1253
1254         if (!private_output->regist_dpms_cb) {
1255                 private_output->regist_dpms_cb = 1;
1256                 ret = func_output->output_set_dpms_handler(private_output->output_backend,
1257                                 tdm_output_cb_dpms, private_output);
1258                 if (ret != TDM_ERROR_NONE) {
1259                         _pthread_mutex_unlock(&private_display->lock);
1260                         TDM_ERR("Can't set the dpms handler!!");
1261                         return ret;
1262                 }
1263         }
1264
1265         TDM_INFO("output(%d) dpms async '%s'", private_output->pipe, tdm_dpms_str(dpms_value));
1266
1267         ret = func_output->output_set_dpms_async(private_output->output_backend, dpms_value);
1268
1269         if (ret == TDM_ERROR_NONE) {
1270                 private_output->waiting_dpms_change = 1;
1271                 TDM_INFO("output(%d) dpms async '%s' waiting", private_output->pipe, tdm_dpms_str(dpms_value));
1272         }
1273
1274         _pthread_mutex_unlock(&private_display->lock);
1275
1276         return ret;
1277 }
1278
1279 INTERN tdm_error
1280 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1281 {
1282         tdm_func_output *func_output;
1283         OUTPUT_FUNC_ENTRY();
1284
1285         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1286
1287         /* TODO: this is ugly. But before calling backend's output_get_dpms(), we have
1288          * to check if all backends's DPMS operation has no problem. In future, we'd
1289          * better use new env instead of using commit_per_vblank variable to distinguish
1290          * whether we use the stored value or backend's output_get_dpms.
1291          */
1292         if (!private_output->commit_per_vblank) {
1293                 *dpms_value = private_output->current_dpms_value;
1294                 return TDM_ERROR_NONE;
1295         }
1296
1297         func_output = &private_display->func_output;
1298
1299         if (!func_output->output_get_dpms) {
1300                 *dpms_value = private_output->current_dpms_value;
1301                 TDM_WRN("not implemented!!");
1302                 return TDM_ERROR_NONE;
1303         }
1304
1305         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1306         if (ret != TDM_ERROR_NONE) {
1307                 TDM_ERR("output_get_dpms failed");
1308                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1309         }
1310
1311         /* TODO: this is ugly. But we have to check if all backends's DPMS operation has no problem. */
1312         if (private_output->commit_per_vblank)
1313                 if (*dpms_value != private_output->current_dpms_value) {
1314                         private_output->current_dpms_value = *dpms_value;
1315                         TDM_ERR("output(%d) dpms changed suddenly: %s",
1316                                         private_output->pipe, tdm_dpms_str(*dpms_value));
1317                 }
1318
1319         return ret;
1320 }
1321
1322 EXTERN tdm_error
1323 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1324 {
1325         OUTPUT_FUNC_ENTRY();
1326
1327         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1328
1329         _pthread_mutex_lock(&private_display->lock);
1330
1331         ret = tdm_output_get_dpms_internal(output, dpms_value);
1332
1333         _pthread_mutex_unlock(&private_display->lock);
1334
1335         return ret;
1336 }
1337
1338 EXTERN tdm_capture *
1339 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1340 {
1341         tdm_capture *capture = NULL;
1342
1343         OUTPUT_FUNC_ENTRY_ERROR();
1344
1345         _pthread_mutex_lock(&private_display->lock);
1346
1347         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1348
1349         _pthread_mutex_unlock(&private_display->lock);
1350
1351         return capture;
1352 }
1353
1354 EXTERN tdm_hwc_window *
1355 tdm_output_hwc_create_window(tdm_output *output, tdm_error *error)
1356 {
1357         tdm_hwc_window *hwc_window = NULL;
1358
1359         OUTPUT_FUNC_ENTRY_ERROR();
1360
1361         _pthread_mutex_lock(&private_display->lock);
1362
1363         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1364                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, error);
1365         else {
1366                 TDM_ERR("output(%p) not support HWC", private_output);
1367                 if (error)
1368                         *error = TDM_ERROR_BAD_REQUEST;
1369         }
1370
1371         _pthread_mutex_unlock(&private_display->lock);
1372
1373         return hwc_window;
1374 }
1375
1376 EXTERN tdm_error
1377 tdm_output_hwc_destroy_window(tdm_output *output, tdm_hwc_window *hwc_window)
1378 {
1379         OUTPUT_FUNC_ENTRY();
1380
1381         TDM_RETURN_VAL_IF_FAIL(hwc_window != NULL, TDM_ERROR_INVALID_PARAMETER);
1382
1383         _pthread_mutex_lock(&private_display->lock);
1384
1385         ret = tdm_hwc_window_destroy_internal(hwc_window);
1386
1387         _pthread_mutex_unlock(&private_display->lock);
1388
1389         return ret;
1390 }
1391
1392 EXTERN tdm_error
1393 tdm_output_hwc_validate(tdm_output *output, uint32_t *num_types)
1394 {
1395         tdm_func_output *func_output = NULL;
1396
1397         OUTPUT_FUNC_ENTRY();
1398
1399         TDM_RETURN_VAL_IF_FAIL(num_types != NULL, TDM_ERROR_INVALID_PARAMETER);
1400
1401         _pthread_mutex_lock(&private_display->lock);
1402
1403         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1404                 TDM_ERR("output(%p) not support HWC", private_output);
1405                 _pthread_mutex_unlock(&private_display->lock);
1406                 return TDM_ERROR_BAD_REQUEST;
1407         }
1408
1409         func_output = &private_display->func_output;
1410
1411         if (!func_output->output_hwc_validate) {
1412                 _pthread_mutex_unlock(&private_display->lock);
1413                 TDM_ERR("not implemented!!");
1414                 return TDM_ERROR_NOT_IMPLEMENTED;
1415         }
1416
1417         ret = func_output->output_hwc_validate(private_output->output_backend, num_types);
1418
1419         _pthread_mutex_unlock(&private_display->lock);
1420
1421         return ret;
1422 }
1423
1424 EXTERN tdm_error
1425 tdm_output_hwc_set_need_validate_handler(tdm_output *output,
1426                 tdm_output_need_validate_handler hndl)
1427 {
1428         OUTPUT_FUNC_ENTRY();
1429
1430         TDM_RETURN_VAL_IF_FAIL(hndl != NULL, TDM_ERROR_INVALID_PARAMETER);
1431
1432         _pthread_mutex_lock(&private_display->lock);
1433
1434         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1435                 TDM_ERR("output(%p) not support HWC", private_output);
1436                 _pthread_mutex_unlock(&private_display->lock);
1437                 return TDM_ERROR_BAD_REQUEST;
1438         }
1439
1440         /* there's no reason to allow this */
1441         if (private_output->need_validate.hndl) {
1442
1443                 _pthread_mutex_unlock(&private_display->lock);
1444                 return TDM_ERROR_OPERATION_FAILED;
1445         }
1446
1447         private_output->need_validate.hndl = hndl;
1448
1449         _pthread_mutex_unlock(&private_display->lock);
1450
1451         return ret;
1452 }
1453
1454 EXTERN tdm_error
1455 tdm_output_hwc_get_changed_composition_types(tdm_output *output,
1456                                                                                  uint32_t *num_elements,
1457                                                                                  tdm_hwc_window **hwc_window,
1458                                                                                  tdm_hwc_window_composition *composition_types)
1459 {
1460         tdm_func_output *func_output = NULL;
1461         tdm_private_hwc_window * private_hwc_window = NULL;
1462         int i = 0;
1463
1464         OUTPUT_FUNC_ENTRY();
1465
1466         TDM_RETURN_VAL_IF_FAIL(num_elements != NULL, TDM_ERROR_INVALID_PARAMETER);
1467
1468         _pthread_mutex_lock(&private_display->lock);
1469
1470         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1471                 TDM_ERR("output(%p) not support HWC", private_output);
1472                 _pthread_mutex_unlock(&private_display->lock);
1473                 return TDM_ERROR_BAD_REQUEST;
1474         }
1475
1476         func_output = &private_display->func_output;
1477
1478         if (!func_output->output_hwc_get_changed_composition_types) {
1479                 _pthread_mutex_unlock(&private_display->lock);
1480                 TDM_ERR("not implemented!!");
1481                 return TDM_ERROR_NOT_IMPLEMENTED;
1482         }
1483
1484         ret = func_output->output_hwc_get_changed_composition_types(private_output->output_backend,
1485                                                         num_elements, hwc_window, composition_types);
1486         if (ret != TDM_ERROR_NONE) {
1487                 _pthread_mutex_unlock(&private_display->lock);
1488                 return ret;
1489         }
1490
1491         if (hwc_window == NULL || composition_types == NULL) {
1492                 _pthread_mutex_unlock(&private_display->lock);
1493                 return TDM_ERROR_NONE;
1494         }
1495
1496         for (i = 0; i < *num_elements; i++) {
1497
1498                 private_hwc_window = _tdm_output_find_private_hwc_window(private_output, hwc_window[i]);
1499
1500                 if (private_hwc_window == NULL) {
1501                         TDM_ERR("failed! This should never happen!");
1502                         func_output->output_hwc_destroy_window(private_output->output_backend, hwc_window[i]);
1503                         *num_elements = 0;
1504                         _pthread_mutex_unlock(&private_display->lock);
1505                         return TDM_ERROR_OPERATION_FAILED;
1506                 }
1507
1508                 hwc_window[i] = (tdm_hwc_window*)private_hwc_window;
1509         }
1510
1511         _pthread_mutex_unlock(&private_display->lock);
1512
1513         return ret;
1514 }
1515
1516 tdm_error
1517 tdm_output_hwc_accept_changes(tdm_output *output)
1518 {
1519         tdm_func_output *func_output = NULL;
1520
1521         OUTPUT_FUNC_ENTRY();
1522
1523         _pthread_mutex_lock(&private_display->lock);
1524
1525         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1526                 TDM_ERR("output(%p) not support HWC", private_output);
1527                 _pthread_mutex_unlock(&private_display->lock);
1528                 return TDM_ERROR_BAD_REQUEST;
1529         }
1530
1531         func_output = &private_display->func_output;
1532
1533         if (!func_output->output_hwc_validate) {
1534                 _pthread_mutex_unlock(&private_display->lock);
1535                 TDM_ERR("not implemented!!");
1536                 return TDM_ERROR_NOT_IMPLEMENTED;
1537         }
1538
1539         ret = func_output->output_hwc_accept_changes(private_output->output_backend);
1540
1541         _pthread_mutex_unlock(&private_display->lock);
1542
1543         return ret;
1544 }
1545
1546 tbm_surface_queue_h
1547 tdm_output_hwc_get_target_buffer_queue(tdm_output *output, tdm_error *error)
1548 {
1549         tdm_func_output *func_output = NULL;
1550         tbm_surface_queue_h queue = NULL;
1551
1552         OUTPUT_FUNC_ENTRY_ERROR();
1553
1554         _pthread_mutex_lock(&private_display->lock);
1555
1556         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1557                 TDM_ERR("output(%p) not support HWC", private_output);
1558                 if (error)
1559                         *error = TDM_ERROR_BAD_REQUEST;
1560                 _pthread_mutex_unlock(&private_display->lock);
1561                 return NULL;
1562         }
1563
1564         func_output = &private_display->func_output;
1565
1566         if (!func_output->output_hwc_get_target_buffer_queue) {
1567                 _pthread_mutex_unlock(&private_display->lock);
1568                 TDM_ERR("not implemented!!");
1569                 return NULL;
1570         }
1571
1572         queue = func_output->output_hwc_get_target_buffer_queue(private_output->output_backend, error);
1573
1574         _pthread_mutex_unlock(&private_display->lock);
1575
1576         return queue;
1577 }
1578
1579 static void
1580 _tdm_target_window_dump_buffer(tdm_private_output *private_output, tbm_surface_h buffer)
1581 {
1582         unsigned int pipe;
1583         char fname[PATH_MAX];
1584
1585         pipe = private_output->pipe;
1586
1587         snprintf(fname, sizeof(fname), "tdm_%d_target_win", pipe);
1588
1589         tbm_surface_internal_dump_buffer(buffer, fname);
1590         TDM_DBG("%s dump excute", fname);
1591
1592         return;
1593 }
1594
1595 EXTERN tdm_error
1596 tdm_output_hwc_set_client_target_buffer(tdm_output *output, tbm_surface_h target_buffer,
1597                                                                         tdm_hwc_region damage)
1598 {
1599         tdm_func_output *func_output = NULL;
1600
1601         OUTPUT_FUNC_ENTRY();
1602
1603         _pthread_mutex_lock(&private_display->lock);
1604
1605         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1606                 TDM_ERR("output(%p) not support HWC", private_output);
1607                 _pthread_mutex_unlock(&private_display->lock);
1608                 return TDM_ERROR_BAD_REQUEST;
1609         }
1610
1611         if (tdm_debug_dump & TDM_DUMP_FLAG_WINDOW) {
1612                 char str[TDM_PATH_LEN];
1613                 static int i;
1614                 snprintf(str, TDM_PATH_LEN, "target_window_%d_%03d",
1615                                  private_output->index, i++);
1616                 tdm_helper_dump_buffer_str(target_buffer, tdm_debug_dump_dir, str);
1617         }
1618
1619         func_output = &private_display->func_output;
1620
1621         if (!func_output->output_hwc_set_client_target_buffer) {
1622                 _pthread_mutex_unlock(&private_display->lock);
1623                 TDM_ERR("not implemented!!");
1624                 return TDM_ERROR_NOT_IMPLEMENTED;
1625         }
1626
1627         /* dump buffer */
1628         if (tdm_dump_enable)
1629                 _tdm_target_window_dump_buffer((tdm_private_output *)output, target_buffer);
1630
1631         ret = func_output->output_hwc_set_client_target_buffer(private_output->output_backend, target_buffer, damage);
1632
1633         _pthread_mutex_unlock(&private_display->lock);
1634
1635         return ret;
1636 }
1637
1638 INTERN void
1639 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
1640                                                                                 struct list_head *change_handler_list,
1641                                                                                 tdm_output_change_type type,
1642                                                                                 tdm_value value,
1643                                                                                 int no_check_thread_id)
1644 {
1645         tdm_private_display *private_display;
1646         tdm_private_change_handler *change_handler = NULL;
1647
1648         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1649         TDM_RETURN_IF_FAIL(private_output);
1650
1651         private_display = private_output->private_display;
1652         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
1653                 if (type & TDM_OUTPUT_CHANGE_CONNECTION)
1654                         TDM_INFO("output(%d) changed: %s (%d)",
1655                                          private_output->pipe, tdm_status_str(value.u32), value.u32);
1656                 if (type & TDM_OUTPUT_CHANGE_DPMS)
1657                         TDM_INFO("output(%d) changed: dpms %s (%d)",
1658                                          private_output->pipe, tdm_dpms_str(value.u32), value.u32);
1659         }
1660
1661         if (LIST_IS_EMPTY(change_handler_list))
1662                 return;
1663
1664         LIST_FOR_EACH_ENTRY(change_handler, change_handler_list, link) {
1665                 if (!no_check_thread_id && change_handler->owner_tid != syscall(SYS_gettid))
1666                         TDM_NEVER_GET_HERE();
1667
1668                 _pthread_mutex_unlock(&private_display->lock);
1669                 change_handler->func(private_output, type,
1670                                                          value, change_handler->user_data);
1671                 _pthread_mutex_lock(&private_display->lock);
1672         }
1673 }
1674
1675
1676 /* gets called on behalf of the ecore-main-loop thread */
1677 INTERN tdm_error
1678 tdm_output_cb_need_validate(tdm_private_output *private_output)
1679 {
1680         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1681
1682         TDM_INFO("tdm-backend asks for revalidation for the output:%p.", private_output);
1683
1684         if (private_output->need_validate.hndl)
1685                 private_output->need_validate.hndl((tdm_output*)private_output);
1686
1687         return TDM_ERROR_NONE;
1688 }
1689
1690 /* gets called on behalf of the tdm-thread */
1691 static tdm_error
1692 _need_validate_handler(int fd, tdm_event_loop_mask mask, void *user_data)
1693 {
1694         tdm_thread_cb_need_validate ev;
1695         tdm_private_output *private_output;
1696         tdm_error ret;
1697
1698         private_output = (tdm_private_output *)user_data;
1699
1700         ev.base.type = TDM_THREAD_CB_NEED_VALIDATE;
1701         ev.base.length = sizeof ev;
1702         ev.o = private_output;
1703
1704         ret = tdm_thread_send_cb(private_output->private_display->private_loop, &ev.base);
1705         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1706
1707         TDM_INFO("tdm-thread: get a 'need to revalidate' event for the ouptut:%p.", private_output);
1708
1709         /* who cares about this? */
1710         return TDM_ERROR_NONE;
1711 }
1712
1713 INTERN tdm_error
1714 tdm_output_need_validate_event_init(tdm_output *output)
1715 {
1716         int fd;
1717
1718         OUTPUT_FUNC_ENTRY();
1719
1720         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), TDM_ERROR_OPERATION_FAILED);
1721
1722         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1723                 TDM_ERR("output(%p) not support HWC", private_output);
1724                 return TDM_ERROR_BAD_REQUEST;
1725         }
1726
1727         /* build in eventfd fds into event_loop listened & handled by the tdm-thread */
1728         fd = eventfd(0, 0);
1729         TDM_WARNING_IF_FAIL(fd >= 0);
1730
1731         tdm_event_loop_add_fd_handler(private_display, fd,      TDM_EVENT_LOOP_READABLE,
1732                         _need_validate_handler, private_output, &ret);
1733         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1734
1735         private_output->need_validate.event_fd = fd;
1736
1737         TDM_INFO("register an output:%p for the revalidation, event_fd:%d.", private_output, fd);
1738
1739         return ret;
1740 }
1741
1742 INTERN tdm_error
1743 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
1744 {
1745         if (!private_output)
1746                 return TDM_ERROR_INVALID_PARAMETER;
1747
1748         if (mode < 0 || mode > 2)
1749                 return TDM_ERROR_INVALID_PARAMETER;
1750
1751         private_output->commit_per_vblank = mode;
1752
1753         if (private_output->commit_per_vblank == 0)
1754                 TDM_INFO("commit per vblank: disable");
1755         else if (private_output->commit_per_vblank == 1)
1756                 TDM_INFO("commit per vblank: enable (1 layer)");
1757         else if (private_output->commit_per_vblank == 2)
1758                 TDM_INFO("commit per vblank: enable (previous commit)");
1759
1760         return TDM_ERROR_NONE;
1761 }