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 %s", 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         if (func_output->output_set_dpms)
1180                 ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
1181         else {
1182                 ret = TDM_ERROR_NONE;
1183                 TDM_WRN("not implemented!!");
1184                 goto done;
1185         }
1186
1187 done:
1188         if (ret == TDM_ERROR_NONE) {
1189                 tdm_value value;
1190
1191                 private_output->current_dpms_value = dpms_value;
1192                 TDM_INFO("output(%d) dpms %s", private_output->pipe, tdm_dpms_str(dpms_value));
1193
1194                 value.u32 = dpms_value;
1195                 tdm_output_call_change_handler_internal(private_output,
1196                                                                                                 &private_output->change_handler_list_main,
1197                                                                                                 TDM_OUTPUT_CHANGE_DPMS,
1198                                                                                                 value, 0);
1199
1200                 if (!LIST_IS_EMPTY(&private_output->change_handler_list_sub)) {
1201                         ret = tdm_event_loop_source_timer_update(private_output->dpms_changed_timer, 1);
1202                         if (ret != TDM_ERROR_NONE)
1203                                 TDM_NEVER_GET_HERE();
1204                 }
1205         }
1206
1207         _pthread_mutex_unlock(&private_display->lock);
1208
1209         return ret;
1210 }
1211
1212 EXTERN tdm_error
1213 tdm_output_set_dpms_async(tdm_output *output, tdm_output_dpms dpms_value)
1214 {
1215         tdm_func_output *func_output;
1216         OUTPUT_FUNC_ENTRY();
1217
1218         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_ASYNC_DPMS)) {
1219                 TDM_ERR("output doesn't support the asynchronous DPMS control!");
1220                 return TDM_ERROR_BAD_REQUEST;
1221         }
1222
1223         if (dpms_value > TDM_OUTPUT_DPMS_OFF)
1224                 dpms_value = TDM_OUTPUT_DPMS_OFF;
1225
1226         _pthread_mutex_lock(&private_display->lock);
1227
1228         if (private_output->waiting_dpms_change) {
1229                 TDM_ERR("DPMS is not changed yet. Can't be changed twice");
1230                 _pthread_mutex_unlock(&private_display->lock);
1231                 return TDM_ERROR_BAD_REQUEST;
1232         }
1233
1234         if (private_output->current_dpms_value == dpms_value) {
1235                 _pthread_mutex_unlock(&private_display->lock);
1236                 return TDM_ERROR_NONE;
1237         }
1238
1239         func_output = &private_display->func_output;
1240         if (!func_output->output_set_dpms_handler) {
1241                 TDM_ERR("not implemented: output_set_dpms_handler");
1242                 _pthread_mutex_unlock(&private_display->lock);
1243                 return TDM_ERROR_NOT_IMPLEMENTED;
1244         }
1245
1246         if (!func_output->output_set_dpms_async) {
1247                 TDM_ERR("not implemented: output_set_dpms_async");
1248                 _pthread_mutex_unlock(&private_display->lock);
1249                 return TDM_ERROR_NOT_IMPLEMENTED;
1250         }
1251
1252         if (!private_output->regist_dpms_cb) {
1253                 private_output->regist_dpms_cb = 1;
1254                 ret = func_output->output_set_dpms_handler(private_output->output_backend,
1255                                 tdm_output_cb_dpms, private_output);
1256                 if (ret != TDM_ERROR_NONE) {
1257                         _pthread_mutex_unlock(&private_display->lock);
1258                         TDM_ERR("Can't set the dpms handler!!");
1259                         return ret;
1260                 }
1261         }
1262
1263         ret = func_output->output_set_dpms_async(private_output->output_backend, dpms_value);
1264
1265         if (ret == TDM_ERROR_NONE)
1266                 private_output->waiting_dpms_change = 1;
1267
1268         _pthread_mutex_unlock(&private_display->lock);
1269
1270         return ret;
1271 }
1272
1273 INTERN tdm_error
1274 tdm_output_get_dpms_internal(tdm_output *output, tdm_output_dpms *dpms_value)
1275 {
1276         tdm_func_output *func_output;
1277         OUTPUT_FUNC_ENTRY();
1278
1279         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1280
1281         /* TODO: this is ugly. But before calling backend's output_get_dpms(), we have
1282          * to check if all backends's DPMS operation has no problem. In future, we'd
1283          * better use new env instead of using commit_per_vblank variable to distinguish
1284          * whether we use the stored value or backend's output_get_dpms.
1285          */
1286         if (!private_output->commit_per_vblank) {
1287                 *dpms_value = private_output->current_dpms_value;
1288                 return TDM_ERROR_NONE;
1289         }
1290
1291         func_output = &private_display->func_output;
1292
1293         if (!func_output->output_get_dpms) {
1294                 *dpms_value = private_output->current_dpms_value;
1295                 TDM_WRN("not implemented!!");
1296                 return TDM_ERROR_NONE;
1297         }
1298
1299         ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
1300         if (ret != TDM_ERROR_NONE) {
1301                 TDM_ERR("output_get_dpms failed");
1302                 *dpms_value = TDM_OUTPUT_DPMS_OFF;
1303         }
1304
1305         /* TODO: this is ugly. But we have to check if all backends's DPMS operation has no problem. */
1306         if (private_output->commit_per_vblank)
1307                 if (*dpms_value != private_output->current_dpms_value) {
1308                         private_output->current_dpms_value = *dpms_value;
1309                         TDM_ERR("output(%d) dpms changed suddenly: %s",
1310                                         private_output->pipe, tdm_dpms_str(*dpms_value));
1311                 }
1312
1313         return ret;
1314 }
1315
1316 EXTERN tdm_error
1317 tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
1318 {
1319         OUTPUT_FUNC_ENTRY();
1320
1321         TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
1322
1323         _pthread_mutex_lock(&private_display->lock);
1324
1325         ret = tdm_output_get_dpms_internal(output, dpms_value);
1326
1327         _pthread_mutex_unlock(&private_display->lock);
1328
1329         return ret;
1330 }
1331
1332 EXTERN tdm_capture *
1333 tdm_output_create_capture(tdm_output *output, tdm_error *error)
1334 {
1335         tdm_capture *capture = NULL;
1336
1337         OUTPUT_FUNC_ENTRY_ERROR();
1338
1339         _pthread_mutex_lock(&private_display->lock);
1340
1341         capture = (tdm_capture *)tdm_capture_create_output_internal(private_output, error);
1342
1343         _pthread_mutex_unlock(&private_display->lock);
1344
1345         return capture;
1346 }
1347
1348 EXTERN tdm_hwc_window *
1349 tdm_output_hwc_create_window(tdm_output *output, tdm_error *error)
1350 {
1351         tdm_hwc_window *hwc_window = NULL;
1352
1353         OUTPUT_FUNC_ENTRY_ERROR();
1354
1355         _pthread_mutex_lock(&private_display->lock);
1356
1357         if (private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1358                 hwc_window = (tdm_hwc_window *)tdm_hwc_window_create_internal(private_output, error);
1359         else {
1360                 TDM_ERR("output(%p) not support HWC", private_output);
1361                 if (error)
1362                         *error = TDM_ERROR_BAD_REQUEST;
1363         }
1364
1365         _pthread_mutex_unlock(&private_display->lock);
1366
1367         return hwc_window;
1368 }
1369
1370 EXTERN tdm_error
1371 tdm_output_hwc_destroy_window(tdm_output *output, tdm_hwc_window *hwc_window)
1372 {
1373         OUTPUT_FUNC_ENTRY();
1374
1375         TDM_RETURN_VAL_IF_FAIL(hwc_window != NULL, TDM_ERROR_INVALID_PARAMETER);
1376
1377         _pthread_mutex_lock(&private_display->lock);
1378
1379         ret = tdm_hwc_window_destroy_internal(hwc_window);
1380
1381         _pthread_mutex_unlock(&private_display->lock);
1382
1383         return ret;
1384 }
1385
1386 EXTERN tdm_error
1387 tdm_output_hwc_validate(tdm_output *output, uint32_t *num_types)
1388 {
1389         tdm_func_output *func_output = NULL;
1390
1391         OUTPUT_FUNC_ENTRY();
1392
1393         TDM_RETURN_VAL_IF_FAIL(num_types != NULL, TDM_ERROR_INVALID_PARAMETER);
1394
1395         _pthread_mutex_lock(&private_display->lock);
1396
1397         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1398                 TDM_ERR("output(%p) not support HWC", private_output);
1399                 _pthread_mutex_unlock(&private_display->lock);
1400                 return TDM_ERROR_BAD_REQUEST;
1401         }
1402
1403         func_output = &private_display->func_output;
1404
1405         if (!func_output->output_hwc_validate) {
1406                 _pthread_mutex_unlock(&private_display->lock);
1407                 TDM_ERR("not implemented!!");
1408                 return TDM_ERROR_NOT_IMPLEMENTED;
1409         }
1410
1411         ret = func_output->output_hwc_validate(private_output->output_backend, num_types);
1412
1413         _pthread_mutex_unlock(&private_display->lock);
1414
1415         return ret;
1416 }
1417
1418 EXTERN tdm_error
1419 tdm_output_hwc_set_need_validate_handler(tdm_output *output,
1420                 tdm_output_need_validate_handler hndl)
1421 {
1422         OUTPUT_FUNC_ENTRY();
1423
1424         TDM_RETURN_VAL_IF_FAIL(hndl != NULL, TDM_ERROR_INVALID_PARAMETER);
1425
1426         _pthread_mutex_lock(&private_display->lock);
1427
1428         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1429                 TDM_ERR("output(%p) not support HWC", private_output);
1430                 _pthread_mutex_unlock(&private_display->lock);
1431                 return TDM_ERROR_BAD_REQUEST;
1432         }
1433
1434         /* there's no reason to allow this */
1435         if (private_output->need_validate.hndl) {
1436
1437                 _pthread_mutex_unlock(&private_display->lock);
1438                 return TDM_ERROR_OPERATION_FAILED;
1439         }
1440
1441         private_output->need_validate.hndl = hndl;
1442
1443         _pthread_mutex_unlock(&private_display->lock);
1444
1445         return ret;
1446 }
1447
1448 EXTERN tdm_error
1449 tdm_output_hwc_get_changed_composition_types(tdm_output *output,
1450                                                                                  uint32_t *num_elements,
1451                                                                                  tdm_hwc_window **hwc_window,
1452                                                                                  tdm_hwc_window_composition *composition_types)
1453 {
1454         tdm_func_output *func_output = NULL;
1455         tdm_private_hwc_window * private_hwc_window = NULL;
1456         int i = 0;
1457
1458         OUTPUT_FUNC_ENTRY();
1459
1460         TDM_RETURN_VAL_IF_FAIL(num_elements != NULL, TDM_ERROR_INVALID_PARAMETER);
1461
1462         _pthread_mutex_lock(&private_display->lock);
1463
1464         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1465                 TDM_ERR("output(%p) not support HWC", private_output);
1466                 _pthread_mutex_unlock(&private_display->lock);
1467                 return TDM_ERROR_BAD_REQUEST;
1468         }
1469
1470         func_output = &private_display->func_output;
1471
1472         if (!func_output->output_hwc_get_changed_composition_types) {
1473                 _pthread_mutex_unlock(&private_display->lock);
1474                 TDM_ERR("not implemented!!");
1475                 return TDM_ERROR_NOT_IMPLEMENTED;
1476         }
1477
1478         ret = func_output->output_hwc_get_changed_composition_types(private_output->output_backend,
1479                                                         num_elements, hwc_window, composition_types);
1480         if (ret != TDM_ERROR_NONE) {
1481                 _pthread_mutex_unlock(&private_display->lock);
1482                 return ret;
1483         }
1484
1485         if (hwc_window == NULL || composition_types == NULL) {
1486                 _pthread_mutex_unlock(&private_display->lock);
1487                 return TDM_ERROR_NONE;
1488         }
1489
1490         for (i = 0; i < *num_elements; i++) {
1491
1492                 private_hwc_window = _tdm_output_find_private_hwc_window(private_output, hwc_window[i]);
1493
1494                 if (private_hwc_window == NULL) {
1495                         TDM_ERR("failed! This should never happen!");
1496                         func_output->output_hwc_destroy_window(private_output->output_backend, hwc_window[i]);
1497                         *num_elements = 0;
1498                         _pthread_mutex_unlock(&private_display->lock);
1499                         return TDM_ERROR_OPERATION_FAILED;
1500                 }
1501
1502                 hwc_window[i] = (tdm_hwc_window*)private_hwc_window;
1503         }
1504
1505         _pthread_mutex_unlock(&private_display->lock);
1506
1507         return ret;
1508 }
1509
1510 tdm_error
1511 tdm_output_hwc_accept_changes(tdm_output *output)
1512 {
1513         tdm_func_output *func_output = NULL;
1514
1515         OUTPUT_FUNC_ENTRY();
1516
1517         _pthread_mutex_lock(&private_display->lock);
1518
1519         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1520                 TDM_ERR("output(%p) not support HWC", private_output);
1521                 _pthread_mutex_unlock(&private_display->lock);
1522                 return TDM_ERROR_BAD_REQUEST;
1523         }
1524
1525         func_output = &private_display->func_output;
1526
1527         if (!func_output->output_hwc_validate) {
1528                 _pthread_mutex_unlock(&private_display->lock);
1529                 TDM_ERR("not implemented!!");
1530                 return TDM_ERROR_NOT_IMPLEMENTED;
1531         }
1532
1533         ret = func_output->output_hwc_accept_changes(private_output->output_backend);
1534
1535         _pthread_mutex_unlock(&private_display->lock);
1536
1537         return ret;
1538 }
1539
1540 tbm_surface_queue_h
1541 tdm_output_hwc_get_target_buffer_queue(tdm_output *output, tdm_error *error)
1542 {
1543         tdm_func_output *func_output = NULL;
1544         tbm_surface_queue_h queue = NULL;
1545
1546         OUTPUT_FUNC_ENTRY_ERROR();
1547
1548         _pthread_mutex_lock(&private_display->lock);
1549
1550         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1551                 TDM_ERR("output(%p) not support HWC", private_output);
1552                 if (error)
1553                         *error = TDM_ERROR_BAD_REQUEST;
1554                 _pthread_mutex_unlock(&private_display->lock);
1555                 return NULL;
1556         }
1557
1558         func_output = &private_display->func_output;
1559
1560         if (!func_output->output_hwc_get_target_buffer_queue) {
1561                 _pthread_mutex_unlock(&private_display->lock);
1562                 TDM_ERR("not implemented!!");
1563                 return NULL;
1564         }
1565
1566         queue = func_output->output_hwc_get_target_buffer_queue(private_output->output_backend, error);
1567
1568         _pthread_mutex_unlock(&private_display->lock);
1569
1570         return queue;
1571 }
1572
1573 static void
1574 _tdm_target_window_dump_buffer(tdm_private_output *private_output, tbm_surface_h buffer)
1575 {
1576         unsigned int pipe;
1577         char fname[PATH_MAX];
1578
1579         pipe = private_output->pipe;
1580
1581         snprintf(fname, sizeof(fname), "tdm_%d_target_win", pipe);
1582
1583         tbm_surface_internal_dump_buffer(buffer, fname);
1584         TDM_DBG("%s dump excute", fname);
1585
1586         return;
1587 }
1588
1589 EXTERN tdm_error
1590 tdm_output_hwc_set_client_target_buffer(tdm_output *output, tbm_surface_h target_buffer,
1591                                                                         tdm_hwc_region damage)
1592 {
1593         tdm_func_output *func_output = NULL;
1594
1595         OUTPUT_FUNC_ENTRY();
1596
1597         _pthread_mutex_lock(&private_display->lock);
1598
1599         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1600                 TDM_ERR("output(%p) not support HWC", private_output);
1601                 _pthread_mutex_unlock(&private_display->lock);
1602                 return TDM_ERROR_BAD_REQUEST;
1603         }
1604
1605         if (tdm_debug_dump & TDM_DUMP_FLAG_WINDOW) {
1606                 char str[TDM_PATH_LEN];
1607                 static int i;
1608                 snprintf(str, TDM_PATH_LEN, "target_window_%d_%03d",
1609                                  private_output->index, i++);
1610                 tdm_helper_dump_buffer_str(target_buffer, tdm_debug_dump_dir, str);
1611         }
1612
1613         func_output = &private_display->func_output;
1614
1615         if (!func_output->output_hwc_set_client_target_buffer) {
1616                 _pthread_mutex_unlock(&private_display->lock);
1617                 TDM_ERR("not implemented!!");
1618                 return TDM_ERROR_NOT_IMPLEMENTED;
1619         }
1620
1621         /* dump buffer */
1622         if (tdm_dump_enable)
1623                 _tdm_target_window_dump_buffer((tdm_private_output *)output, target_buffer);
1624
1625         ret = func_output->output_hwc_set_client_target_buffer(private_output->output_backend, target_buffer, damage);
1626
1627         _pthread_mutex_unlock(&private_display->lock);
1628
1629         return ret;
1630 }
1631
1632 INTERN void
1633 tdm_output_call_change_handler_internal(tdm_private_output *private_output,
1634                                                                                 struct list_head *change_handler_list,
1635                                                                                 tdm_output_change_type type,
1636                                                                                 tdm_value value,
1637                                                                                 int no_check_thread_id)
1638 {
1639         tdm_private_display *private_display;
1640         tdm_private_change_handler *change_handler = NULL;
1641
1642         TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
1643         TDM_RETURN_IF_FAIL(private_output);
1644
1645         private_display = private_output->private_display;
1646         if (!tdm_thread_in_display_thread(syscall(SYS_gettid))) {
1647                 if (type & TDM_OUTPUT_CHANGE_CONNECTION)
1648                         TDM_INFO("output(%d) changed: %s (%d)",
1649                                          private_output->pipe, tdm_status_str(value.u32), value.u32);
1650                 if (type & TDM_OUTPUT_CHANGE_DPMS)
1651                         TDM_INFO("output(%d) changed: dpms %s (%d)",
1652                                          private_output->pipe, tdm_dpms_str(value.u32), value.u32);
1653         }
1654
1655         if (LIST_IS_EMPTY(change_handler_list))
1656                 return;
1657
1658         LIST_FOR_EACH_ENTRY(change_handler, change_handler_list, link) {
1659                 if (!no_check_thread_id && change_handler->owner_tid != syscall(SYS_gettid))
1660                         TDM_NEVER_GET_HERE();
1661
1662                 _pthread_mutex_unlock(&private_display->lock);
1663                 change_handler->func(private_output, type,
1664                                                          value, change_handler->user_data);
1665                 _pthread_mutex_lock(&private_display->lock);
1666         }
1667 }
1668
1669
1670 /* gets called on behalf of the ecore-main-loop thread */
1671 INTERN tdm_error
1672 tdm_output_cb_need_validate(tdm_private_output *private_output)
1673 {
1674         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1675
1676         TDM_INFO("tdm-backend asks for revalidation for the output:%p.", private_output);
1677
1678         if (private_output->need_validate.hndl)
1679                 private_output->need_validate.hndl((tdm_output*)private_output);
1680
1681         return TDM_ERROR_NONE;
1682 }
1683
1684 /* gets called on behalf of the tdm-thread */
1685 static tdm_error
1686 _need_validate_handler(int fd, tdm_event_loop_mask mask, void *user_data)
1687 {
1688         tdm_thread_cb_need_validate ev;
1689         tdm_private_output *private_output;
1690         tdm_error ret;
1691
1692         private_output = (tdm_private_output *)user_data;
1693
1694         ev.base.type = TDM_THREAD_CB_NEED_VALIDATE;
1695         ev.base.length = sizeof ev;
1696         ev.o = private_output;
1697
1698         ret = tdm_thread_send_cb(private_output->private_display->private_loop, &ev.base);
1699         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1700
1701         TDM_INFO("tdm-thread: get a 'need to revalidate' event for the ouptut:%p.", private_output);
1702
1703         /* who cares about this? */
1704         return TDM_ERROR_NONE;
1705 }
1706
1707 INTERN tdm_error
1708 tdm_output_need_validate_event_init(tdm_output *output)
1709 {
1710         int fd;
1711
1712         OUTPUT_FUNC_ENTRY();
1713
1714         TDM_RETURN_VAL_IF_FAIL(TDM_MUTEX_IS_LOCKED(), TDM_ERROR_OPERATION_FAILED);
1715
1716         if (!(private_output->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)) {
1717                 TDM_ERR("output(%p) not support HWC", private_output);
1718                 return TDM_ERROR_BAD_REQUEST;
1719         }
1720
1721         /* build in eventfd fds into event_loop listened & handled by the tdm-thread */
1722         fd = eventfd(0, 0);
1723         TDM_WARNING_IF_FAIL(fd >= 0);
1724
1725         tdm_event_loop_add_fd_handler(private_display, fd,      TDM_EVENT_LOOP_READABLE,
1726                         _need_validate_handler, private_output, &ret);
1727         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
1728
1729         private_output->need_validate.event_fd = fd;
1730
1731         TDM_INFO("register an output:%p for the revalidation, event_fd:%d.", private_output, fd);
1732
1733         return ret;
1734 }
1735
1736 INTERN tdm_error
1737 tdm_output_choose_commit_per_vblank_mode(tdm_private_output *private_output, int mode)
1738 {
1739         if (!private_output)
1740                 return TDM_ERROR_INVALID_PARAMETER;
1741
1742         if (mode < 0 || mode > 2)
1743                 return TDM_ERROR_INVALID_PARAMETER;
1744
1745         private_output->commit_per_vblank = mode;
1746
1747         if (private_output->commit_per_vblank == 0)
1748                 TDM_INFO("commit per vblank: disable");
1749         else if (private_output->commit_per_vblank == 1)
1750                 TDM_INFO("commit per vblank: enable (1 layer)");
1751         else if (private_output->commit_per_vblank == 2)
1752                 TDM_INFO("commit per vblank: enable (previous commit)");
1753
1754         return TDM_ERROR_NONE;
1755 }