src/tdm.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 pthread_mutex_t tdm_mutex_check_lock = PTHREAD_MUTEX_INITIALIZER;
  46 int tdm_mutex_locked;
  47
  48 static tdm_private_layer *
  49 _tdm_display_find_private_layer(tdm_private_output *private_output,
  50                                                                 tdm_layer *layer_backend)
  51 {
  52         tdm_private_layer *private_layer = NULL;
  53
  54         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
  55                 if (private_layer->layer_backend == layer_backend)
  56                         return private_layer;
  57         }
  58
  59         return NULL;
  60 }
  61
  62 static tdm_private_output *
  63 _tdm_display_find_private_output(tdm_private_display *private_display,
  64                                                                  tdm_output *output_backend)
  65 {
  66         tdm_private_output *private_output = NULL;
  67
  68         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
  69                 if (private_output->output_backend == output_backend)
  70                         return private_output;
  71         }
  72
  73         return NULL;
  74 }
  75
  76 INTERN tdm_private_output *
  77 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp)
  78 {
  79         tdm_private_output *private_output = NULL;
  80
  81         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
  82                 if (private_output->stamp == stamp)
  83                         return private_output;
  84         }
  85
  86         return NULL;
  87 }
  88
  89 static void
  90 _tdm_display_destroy_caps_pp(tdm_caps_pp *caps_pp)
  91 {
  92         if (caps_pp->formats)
  93                 free(caps_pp->formats);
  94
  95         memset(caps_pp, 0, sizeof(tdm_caps_pp));
  96 }
  97
  98 static void
  99 _tdm_display_destroy_caps_capture(tdm_caps_capture *caps_capture)
 100 {
 101         if (caps_capture->formats)
 102                 free(caps_capture->formats);
 103
 104         memset(caps_capture, 0, sizeof(tdm_caps_capture));
 105 }
 106
 107 static void
 108 _tdm_display_destroy_caps_layer(tdm_caps_layer *caps_layer)
 109 {
 110         if (caps_layer->formats)
 111                 free(caps_layer->formats);
 112
 113         if (caps_layer->props)
 114                 free(caps_layer->props);
 115
 116         memset(caps_layer, 0, sizeof(tdm_caps_layer));
 117 }
 118
 119 static void
 120 _tdm_display_destroy_caps_output(tdm_caps_output *caps_output)
 121 {
 122         if (caps_output->modes)
 123                 free(caps_output->modes);
 124
 125         if (caps_output->props)
 126                 free(caps_output->props);
 127
 128         memset(caps_output, 0, sizeof(tdm_caps_output));
 129 }
 130
 131 static void
 132 _tdm_display_destroy_private_layer(tdm_private_layer *private_layer)
 133 {
 134         tdm_private_capture *c = NULL, *cc = NULL;
 135
 136         LIST_DEL(&private_layer->link);
 137
 138         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_layer->capture_list, link)
 139         tdm_capture_destroy_internal(c);
 140
 141         _tdm_display_destroy_caps_layer(&private_layer->caps);
 142
 143         free(private_layer);
 144 }
 145
 146 static void
 147 _tdm_display_destroy_private_output(tdm_private_output *private_output)
 148 {
 149         tdm_private_display *private_display = private_output->private_display;
 150         tdm_private_layer *l = NULL, *ll = NULL;
 151         tdm_private_capture *c = NULL, *cc = NULL;
 152         tdm_private_vblank_handler *v = NULL, *vv = NULL;
 153         tdm_private_output_commit_handler *om = NULL, *omm = NULL;
 154         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 155         tdm_private_change_handler *h = NULL, *hh = NULL;
 156
 157         LIST_DEL(&private_output->link);
 158
 159         free(private_output->layers_ptr);
 160
 161         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 162                 LIST_DEL(&v->link);
 163                 free(v);
 164         }
 165
 166         LIST_FOR_EACH_ENTRY_SAFE(om, omm, &private_output->output_commit_handler_list, link) {
 167                 LIST_DEL(&om->link);
 168                 free(om);
 169         }
 170
 171         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
 172                 LIST_DEL(&lm->link);
 173                 free(lm);
 174         }
 175
 176         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
 177                 LIST_DEL(&lm->link);
 178                 free(lm);
 179         }
 180
 181         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_main, link) {
 182                 LIST_DEL(&h->link);
 183                 free(h);
 184         }
 185
 186         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_sub, link) {
 187                 LIST_DEL(&h->link);
 188                 free(h);
 189         }
 190
 191         if (private_output->vblank) {
 192                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 193                 _pthread_mutex_unlock(&private_display->lock);
 194                 tdm_vblank_destroy(private_output->vblank);
 195                 _pthread_mutex_lock(&private_display->lock);
 196         }
 197
 198         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_output->capture_list, link)
 199         tdm_capture_destroy_internal(c);
 200
 201         LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
 202         _tdm_display_destroy_private_layer(l);
 203
 204         _tdm_display_destroy_caps_output(&private_output->caps);
 205
 206         if (private_output->dpms_changed_timer)
 207                 tdm_event_loop_source_remove(private_output->dpms_changed_timer);
 208
 209         private_output->stamp = 0;
 210         free(private_output);
 211 }
 212
 213 static void
 214 _tdm_display_destroy_private_display(tdm_private_display *private_display)
 215 {
 216         tdm_private_output *o = NULL, *oo = NULL;
 217         tdm_private_pp *p = NULL, *pp = NULL;
 218
 219         free(private_display->outputs_ptr);
 220         if (private_display->outputs) {
 221                 free(private_display->outputs);
 222                 private_display->outputs = NULL;
 223         }
 224
 225         LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_display->pp_list, link)
 226         tdm_pp_destroy_internal(p);
 227
 228         LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_display->output_list, link)
 229         _tdm_display_destroy_private_output(o);
 230
 231         _tdm_display_destroy_caps_pp(&private_display->caps_pp);
 232         _tdm_display_destroy_caps_capture(&private_display->caps_capture);
 233
 234         private_display->capabilities = 0;
 235         private_display->caps_display.max_layer_count = 0;
 236 }
 237
 238 static tdm_error
 239 _tdm_display_update_caps_pp(tdm_private_display *private_display,
 240                                                         tdm_caps_pp *caps)
 241 {
 242         tdm_func_display *func_display = &private_display->func_display;
 243         tdm_error ret;
 244
 245         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
 246                 return TDM_ERROR_NONE;
 247
 248         if (!func_display->display_get_pp_capability) {
 249                 TDM_ERR("no display_get_pp_capability()");
 250                 return TDM_ERROR_BAD_MODULE;
 251         }
 252
 253         ret = func_display->display_get_pp_capability(private_display->bdata, caps);
 254         if (ret != TDM_ERROR_NONE) {
 255                 TDM_ERR("display_get_pp_capability() failed");
 256                 return TDM_ERROR_BAD_MODULE;
 257         }
 258
 259         return TDM_ERROR_NONE;
 260 }
 261
 262 static tdm_error
 263 _tdm_display_update_caps_capture(tdm_private_display *private_display,
 264                                                                  tdm_caps_capture *caps)
 265 {
 266         tdm_func_display *func_display = &private_display->func_display;
 267         tdm_error ret;
 268
 269         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
 270                 return TDM_ERROR_NONE;
 271
 272         if (!func_display->display_get_capture_capability) {
 273                 TDM_ERR("no display_get_capture_capability()");
 274                 return TDM_ERROR_BAD_MODULE;
 275         }
 276
 277         ret = func_display->display_get_capture_capability(private_display->bdata, caps);
 278         if (ret != TDM_ERROR_NONE) {
 279                 TDM_ERR("display_get_capture_capability() failed");
 280                 return TDM_ERROR_BAD_MODULE;
 281         }
 282
 283         return TDM_ERROR_NONE;
 284 }
 285
 286 static tdm_error
 287 _tdm_display_update_caps_layer(tdm_private_display *private_display,
 288                                                            tdm_layer *layer_backend, tdm_caps_layer *caps)
 289 {
 290         tdm_func_layer *func_layer = &private_display->func_layer;
 291         tdm_error ret;
 292
 293         if (!func_layer->layer_get_capability) {
 294                 TDM_ERR("no layer_get_capability()");
 295                 return TDM_ERROR_BAD_MODULE;
 296         }
 297
 298         ret = func_layer->layer_get_capability(layer_backend, caps);
 299         if (ret != TDM_ERROR_NONE) {
 300                 TDM_ERR("layer_get_capability() failed");
 301                 return TDM_ERROR_BAD_MODULE;
 302         }
 303
 304         return TDM_ERROR_NONE;
 305 }
 306
 307 static tdm_error
 308 _tdm_display_update_caps_output(tdm_private_display *private_display, int pipe,
 309                                                                 tdm_output *output_backend, tdm_caps_output *caps)
 310 {
 311         tdm_func_output *func_output = &private_display->func_output;
 312         char temp[TDM_NAME_LEN];
 313         tdm_error ret;
 314         double stamp;
 315
 316         if (!func_output->output_get_capability) {
 317                 TDM_ERR("no output_get_capability()");
 318                 return TDM_ERROR_BAD_MODULE;
 319         }
 320
 321         stamp = tdm_helper_get_time();
 322         ret = func_output->output_get_capability(output_backend, caps);
 323         TDM_DBG("backend output_get_capability() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 324
 325         if (ret != TDM_ERROR_NONE) {
 326                 TDM_ERR("output_get_capability() failed");
 327                 return TDM_ERROR_BAD_MODULE;
 328         }
 329
 330         /* FIXME: Use model for tdm client to distinguish amoung outputs */
 331         snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
 332         snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
 333
 334         return TDM_ERROR_NONE;
 335 }
 336
 337 static tdm_error
 338 _tdm_display_update_layer(tdm_private_display *private_display,
 339                                                   tdm_private_output *private_output,
 340                                                   tdm_layer *layer_backend, int index)
 341 {
 342         tdm_private_layer *private_layer;
 343         tdm_error ret;
 344
 345         private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
 346         if (!private_layer) {
 347                 private_layer = calloc(1, sizeof(tdm_private_layer));
 348                 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
 349
 350                 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
 351                 private_layer->index = index;
 352                 private_layer->private_display = private_display;
 353                 private_layer->private_output = private_output;
 354                 private_layer->layer_backend = layer_backend;
 355
 356                 LIST_INITHEAD(&private_layer->capture_list);
 357
 358                 private_layer->usable = 1;
 359         } else
 360                 _tdm_display_destroy_caps_layer(&private_layer->caps);
 361
 362         ret = _tdm_display_update_caps_layer(private_display, layer_backend,
 363                                                                                  &private_layer->caps);
 364         if (ret != TDM_ERROR_NONE)
 365                 goto failed_update;
 366
 367         return TDM_ERROR_NONE;
 368 failed_update:
 369         _tdm_display_destroy_private_layer(private_layer);
 370         return ret;
 371 }
 372
 373 INTERN tdm_error
 374 tdm_display_update_output(tdm_private_display *private_display,
 375                                                   tdm_output *output_backend, int pipe)
 376 {
 377         tdm_func_output *func_output = &private_display->func_output;
 378         tdm_private_output *private_output = NULL;
 379         tdm_layer **layers = NULL;
 380         int layer_count = 0, i;
 381         tdm_error ret;
 382
 383         private_output = _tdm_display_find_private_output(private_display, output_backend);
 384         if (!private_output) {
 385                 private_output = calloc(1, sizeof(tdm_private_output));
 386                 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
 387
 388                 private_output->stamp = tdm_helper_get_time();
 389                 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
 390                         private_output->stamp++;
 391
 392                 LIST_ADDTAIL(&private_output->link, &private_display->output_list);
 393
 394                 private_output->private_display = private_display;
 395                 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
 396                 private_output->output_backend = output_backend;
 397                 private_output->pipe = pipe;
 398                 private_output->index = pipe;
 399
 400                 LIST_INITHEAD(&private_output->layer_list);
 401                 LIST_INITHEAD(&private_output->capture_list);
 402                 LIST_INITHEAD(&private_output->vblank_handler_list);
 403                 LIST_INITHEAD(&private_output->output_commit_handler_list);
 404                 LIST_INITHEAD(&private_output->layer_commit_handler_list);
 405                 LIST_INITHEAD(&private_output->pending_commit_handler_list);
 406                 LIST_INITHEAD(&private_output->change_handler_list_main);
 407                 LIST_INITHEAD(&private_output->change_handler_list_sub);
 408
 409                 if (func_output->output_set_status_handler) {
 410                         func_output->output_set_status_handler(private_output->output_backend,
 411                                                                                                    tdm_output_cb_status,
 412                                                                                                    private_output);
 413                         private_output->regist_change_cb = 1;
 414                 }
 415
 416                 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
 417                                                                                           &private_output->caps);
 418                 if (ret != TDM_ERROR_NONE)
 419                         return ret;
 420         } else {
 421                 tdm_caps_output new_caps;
 422
 423                 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
 424                                                                                           &new_caps);
 425                 if (ret != TDM_ERROR_NONE)
 426                         return ret;
 427
 428                 /* FIXME: This is very ugly. need to fix after the TDM ABI is changed. */
 429                 if (private_output->caps.status != new_caps.status) {
 430                         _tdm_display_destroy_caps_output(&private_output->caps);
 431                         private_output->caps = new_caps;
 432                         private_output->current_mode = NULL;
 433                 } else {
 434                         tdm_output_mode *old_modes = private_output->caps.modes;
 435                         unsigned int old_mode_count = private_output->caps.mode_count;
 436                         if (new_caps.modes)
 437                                 free(new_caps.modes);
 438                         new_caps.modes = old_modes;
 439                         new_caps.mode_count = old_mode_count;
 440                         if (private_output->caps.props)
 441                                 free(private_output->caps.props);
 442                         private_output->caps = new_caps;
 443                 }
 444         }
 445
 446         layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
 447         if (ret != TDM_ERROR_NONE)
 448                 goto failed_update;
 449
 450         for (i = 0; i < layer_count; i++) {
 451                 ret = _tdm_display_update_layer(private_display, private_output, layers[i], i);
 452                 if (ret != TDM_ERROR_NONE)
 453                         goto failed_update;
 454         }
 455
 456         free(layers);
 457
 458         return TDM_ERROR_NONE;
 459 failed_update:
 460         _tdm_display_destroy_private_output(private_output);
 461         free(layers);
 462         return ret;
 463 }
 464
 465 static tdm_output **
 466 _tdm_display_set_main_first(tdm_output **outputs, int index)
 467 {
 468         tdm_output *output_tmp = NULL;
 469
 470         if (index == 0)
 471                 return outputs;
 472
 473         output_tmp = outputs[0];
 474         outputs[0] = outputs[index];
 475         outputs[index] = output_tmp;
 476
 477         return outputs;
 478 }
 479
 480 static tdm_output **
 481 _tdm_display_get_ordered_outputs(tdm_private_display *private_display, int *count)
 482 {
 483         tdm_func_display *func_display = &private_display->func_display;
 484         tdm_output **outputs = NULL;
 485         tdm_output **new_outputs = NULL;
 486         tdm_output *output_dsi = NULL;
 487         tdm_output *output_lvds = NULL;
 488         tdm_output *output_hdmia = NULL;
 489         tdm_output *output_hdmib = NULL;
 490         int i, output_count = 0, output_connected_count = 0;
 491         int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
 492         tdm_error ret;
 493
 494         /* don't change list order if not init time */
 495         if (private_display->outputs)
 496                 return private_display->outputs;
 497
 498         outputs = func_display->display_get_outputs(private_display->bdata, &output_count, &ret);
 499         if (ret != TDM_ERROR_NONE)
 500                 goto failed_get_outputs;
 501
 502         *count = output_count;
 503
 504         if (output_count == 0)
 505                 goto failed_get_outputs;
 506         else if (output_count == 1) {
 507                 private_display->outputs = outputs;
 508                 return outputs;
 509         }
 510
 511         /* count connected outputs */
 512         for (i = 0; i < output_count; i++) {
 513                 tdm_func_output *func_output = &private_display->func_output;
 514                 tdm_caps_output caps;
 515                 memset(&caps, 0, sizeof(tdm_caps_output));
 516
 517                 if (!func_output->output_get_capability) {
 518                         TDM_ERR("no output_get_capability()");
 519                         goto failed_get_outputs;
 520                 }
 521
 522                 ret = func_output->output_get_capability(outputs[i], &caps);
 523                 if (ret != TDM_ERROR_NONE) {
 524                         TDM_ERR("output_get_capability() failed");
 525                         goto failed_get_outputs;
 526                 }
 527
 528                 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
 529                         output_connected_count++;
 530
 531                         switch (caps.type) {
 532                         case TDM_OUTPUT_TYPE_DSI:
 533                                 output_dsi = outputs[i];
 534                                 index_dsi = i;
 535                                 break;
 536                         case TDM_OUTPUT_TYPE_LVDS:
 537                                 output_lvds = outputs[i];
 538                                 index_lvds = i;
 539                                 break;
 540                         case TDM_OUTPUT_TYPE_HDMIA:
 541                                 output_hdmia = outputs[i];
 542                                 index_hdmia = i;
 543                                 break;
 544                         case TDM_OUTPUT_TYPE_HDMIB:
 545                                 output_hdmib = outputs[i];
 546                                 index_hdmib = i;
 547                                 break;
 548                         default:
 549                                 break;
 550                         }
 551                 }
 552
 553                 _tdm_display_destroy_caps_output(&caps);
 554         }
 555
 556         /* ordering : main output is first */
 557         /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
 558           * But hdmi is possible, so set hdmi to main display.
 559           * If connected only one output, it is main output.
 560           * If connected outputs over 2, has priority like below.
 561           * (dsi > lvds > hdmi > else)
 562           */
 563         if (output_connected_count == 0) {
 564                 /* hdmi > dsi > lvds > else */
 565                 if (output_hdmia != NULL)
 566                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
 567                 else if (output_hdmib != NULL)
 568                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
 569                 else if (output_dsi != NULL)
 570                         new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
 571                 else if (output_lvds != NULL)
 572                         new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
 573                 else
 574                         new_outputs = outputs;
 575         } else { /* (output_connected_count > 1) */
 576                 /* dsi > lvds > hdmi > else */
 577                 if (output_dsi != NULL)
 578                         new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
 579                 else if (output_lvds != NULL)
 580                         new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
 581                 else if (output_hdmia != NULL)
 582                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
 583                 else if (output_hdmib != NULL)
 584                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
 585                 else
 586                         new_outputs = outputs;
 587         }
 588
 589         private_display->outputs = new_outputs;
 590
 591         return new_outputs;
 592
 593 failed_get_outputs:
 594         free(outputs);
 595         *count = 0;
 596         return NULL;
 597 }
 598
 599 static tdm_error
 600 _tdm_display_update_internal(tdm_private_display *private_display,
 601                                                          int only_display)
 602 {
 603         tdm_output **outputs = NULL;
 604         int output_count = 0, i;
 605         tdm_error ret = TDM_ERROR_NONE;
 606
 607         LIST_INITHEAD(&private_display->output_list);
 608         LIST_INITHEAD(&private_display->pp_list);
 609         LIST_INITHEAD(&private_display->capture_list);
 610
 611         if (!only_display) {
 612                 ret = _tdm_display_update_caps_pp(private_display, &private_display->caps_pp);
 613                 if (ret != TDM_ERROR_NONE)
 614                         goto failed_update;
 615
 616                 ret = _tdm_display_update_caps_capture(private_display,
 617                                                                                            &private_display->caps_capture);
 618                 if (ret != TDM_ERROR_NONE)
 619                         goto failed_update;
 620         }
 621
 622         outputs = _tdm_display_get_ordered_outputs(private_display, &output_count);
 623         if (!outputs)
 624                 goto failed_update;
 625
 626         for (i = 0; i < output_count; i++) {
 627                 ret = tdm_display_update_output(private_display, outputs[i], i);
 628                 if (ret != TDM_ERROR_NONE)
 629                         goto failed_update;
 630         }
 631
 632         return TDM_ERROR_NONE;
 633
 634 failed_update:
 635         _tdm_display_destroy_private_display(private_display);
 636         return ret;
 637 }
 638
 639 EXTERN tdm_error
 640 tdm_display_update(tdm_display *dpy)
 641 {
 642         tdm_private_display *private_display;
 643         tdm_error ret;
 644
 645         TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
 646
 647         private_display = dpy;
 648         _pthread_mutex_lock(&private_display->lock);
 649
 650         ret = _tdm_display_update_internal(private_display, 1);
 651
 652         _pthread_mutex_unlock(&private_display->lock);
 653
 654         return ret;
 655 }
 656
 657 #define SUFFIX_MODULE    ".so"
 658 #define DEFAULT_MODULE   "libtdm-default"SUFFIX_MODULE
 659
 660 int tdm_debug_module;
 661 int tdm_debug_dump;
 662
 663 static tdm_private_display *g_private_display;
 664 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
 665
 666 static tdm_error
 667 _tdm_display_check_module(tdm_backend_module *module)
 668 {
 669         int major, minor;
 670
 671         TDM_INFO("TDM ABI version : %d.%d",
 672                          TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
 673
 674         if (!module->name) {
 675                 TDM_ERR("TDM backend doesn't have name");
 676                 return TDM_ERROR_BAD_MODULE;
 677         }
 678
 679         if (!module->vendor) {
 680                 TDM_ERR("TDM backend doesn't have vendor");
 681                 return TDM_ERROR_BAD_MODULE;
 682         }
 683
 684         major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
 685         minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
 686
 687         TDM_INFO("TDM module name: %s", module->name);
 688         TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
 689         TDM_INFO("'%s' version: %d.%d", module->name, major, minor);
 690
 691         if (major != TDM_MAJOR_VERSION) {
 692                 TDM_ERR("'%s' major version mismatch, %d != %d",
 693                                 module->name, major, TDM_MAJOR_VERSION);
 694                 return TDM_ERROR_BAD_MODULE;
 695         }
 696
 697         if (minor > TDM_MINOR_VERSION) {
 698                 TDM_ERR("'%s' minor version(%d) is newer than %d",
 699                                 module->name, minor, TDM_MINOR_VERSION);
 700                 return TDM_ERROR_BAD_MODULE;
 701         }
 702
 703         if (!module->init) {
 704                 TDM_ERR("'%s' doesn't have init function", module->name);
 705                 return TDM_ERROR_BAD_MODULE;
 706         }
 707
 708         if (!module->deinit) {
 709                 TDM_ERR("'%s' doesn't have deinit function", module->name);
 710                 return TDM_ERROR_BAD_MODULE;
 711         }
 712
 713         return TDM_ERROR_NONE;
 714 }
 715
 716 static tdm_error
 717 _tdm_display_check_backend_functions(tdm_private_display *private_display)
 718 {
 719         tdm_func_display *func_display = &private_display->func_display;
 720         tdm_func_output *func_output = &private_display->func_output;
 721         tdm_func_layer *func_layer = &private_display->func_layer;
 722         tdm_error ret;
 723
 724         /* below functions should be implemented in backend side */
 725
 726         TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
 727         TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
 728         TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
 729         TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
 730         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
 731
 732         ret = func_display->display_get_capability(private_display->bdata, &private_display->caps_display);
 733         if (ret != TDM_ERROR_NONE) {
 734                 TDM_ERR("display_get_capability() failed");
 735                 return TDM_ERROR_BAD_MODULE;
 736         }
 737
 738         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
 739                 tdm_func_pp *func_pp = &private_display->func_pp;
 740                 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
 741                 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
 742                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
 743                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
 744                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
 745         }
 746
 747         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
 748                 tdm_func_capture *func_capture = &private_display->func_capture;
 749                 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
 750                 if (private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT)
 751                         TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
 752                 if (private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_LAYER)
 753                         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
 754                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
 755                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
 756                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
 757         }
 758
 759         return TDM_ERROR_NONE;
 760 }
 761
 762 static tdm_error
 763 _tdm_display_load_module_with_file(tdm_private_display *private_display,
 764                                                                    const char *file)
 765 {
 766         char path[PATH_MAX] = {0,};
 767         tdm_backend_module *module_data;
 768         void *module;
 769         tdm_error ret;
 770         double stamp;
 771
 772         snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
 773
 774         stamp = tdm_helper_get_time();
 775         TDM_TRACE_BEGIN(Load_Backend);
 776
 777         module = dlopen(path, RTLD_LAZY);
 778         if (!module) {
 779                 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
 780                 TDM_TRACE_END();
 781                 return TDM_ERROR_BAD_MODULE;
 782         }
 783
 784         module_data = dlsym(module, "tdm_backend_module_data");
 785         if (!module_data) {
 786                 TDM_ERR("'%s' doesn't have data object", file);
 787                 ret = TDM_ERROR_BAD_MODULE;
 788                 TDM_TRACE_END();
 789                 goto failed_load;
 790         }
 791
 792         TDM_DBG("dlopen, dlsym time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 793
 794         private_display->module_data = module_data;
 795         private_display->module = module;
 796
 797         /* check if version, init() and deinit() are valid or not */
 798         ret = _tdm_display_check_module(module_data);
 799         if (ret != TDM_ERROR_NONE)
 800                 goto failed_load;
 801
 802         TDM_TRACE_END();
 803
 804         /* We don't care if backend_data is NULL or not. It's up to backend. */
 805         TDM_TRACE_BEGIN(Init_Backend);
 806         stamp = tdm_helper_get_time();
 807         private_display->bdata = module_data->init((tdm_display *)private_display, &ret);
 808         TDM_DBG("backend init() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 809         TDM_TRACE_END();
 810
 811         if (ret != TDM_ERROR_NONE) {
 812                 TDM_ERR("failed to init '%s' module", module_data->name);
 813                 goto failed_load;
 814         }
 815
 816         ret = _tdm_display_check_backend_functions(private_display);
 817         if (ret != TDM_ERROR_NONE) {
 818                 module_data->deinit(private_display->bdata);
 819                 private_display->bdata = NULL;
 820                 goto failed_load;
 821         }
 822
 823         TDM_INFO("Success to load '%s' module", module_data->name);
 824
 825         return TDM_ERROR_NONE;
 826 failed_load:
 827         dlclose(module);
 828         private_display->module_data = NULL;
 829         private_display->module = NULL;
 830         return ret;
 831 }
 832
 833 static tdm_error
 834 _tdm_display_load_module(tdm_private_display *private_display)
 835 {
 836         const char *module_name;
 837         struct dirent **namelist;
 838         int n;
 839         tdm_error ret = 0;
 840
 841         module_name = getenv("TDM_MODULE");
 842         if (!module_name)
 843                 module_name = DEFAULT_MODULE;
 844
 845         /* load bufmgr priv from default lib */
 846         ret = _tdm_display_load_module_with_file(private_display, module_name);
 847         if (ret == TDM_ERROR_NONE)
 848                 return TDM_ERROR_NONE;
 849
 850         /* load bufmgr priv from configured path */
 851         n = scandir(TDM_MODULE_PATH, &namelist, 0, alphasort);
 852         if (n < 0) {
 853                 TDM_ERR("no module in '%s'\n", TDM_MODULE_PATH);
 854                 return TDM_ERROR_BAD_MODULE;
 855         }
 856
 857         ret = TDM_ERROR_BAD_MODULE;
 858         while (n--) {
 859                 if (ret < 0 && strstr(namelist[n]->d_name, SUFFIX_MODULE))
 860                         ret = _tdm_display_load_module_with_file(private_display, namelist[n]->d_name);
 861
 862                 free(namelist[n]);
 863         }
 864         free(namelist);
 865
 866         return ret;
 867 }
 868
 869 static void
 870 _tdm_display_unload_module(tdm_private_display *private_display)
 871 {
 872         if (private_display->module_data)
 873                 private_display->module_data->deinit(private_display->bdata);
 874         if (private_display->module)
 875                 dlclose(private_display->module);
 876
 877         private_display->bdata = NULL;
 878         private_display->module_data = NULL;
 879         private_display->module = NULL;
 880 }
 881
 882 EXTERN tdm_display *
 883 tdm_display_init(tdm_error *error)
 884 {
 885         tdm_private_display *private_display = NULL;
 886         const char *str;
 887         tdm_error ret;
 888         double stamp1, stamp2, start;
 889
 890         _pthread_mutex_lock(&gLock);
 891
 892         if (g_private_display) {
 893                 g_private_display->init_count++;
 894                 _pthread_mutex_unlock(&gLock);
 895                 if (error)
 896                         *error = TDM_ERROR_NONE;
 897                 return g_private_display;
 898         }
 899
 900         start = stamp1 = tdm_helper_get_time();
 901
 902         private_display = calloc(1, sizeof(tdm_private_display));
 903         if (!private_display) {
 904                 ret = TDM_ERROR_OUT_OF_MEMORY;
 905                 TDM_ERR("'private_display != NULL' failed");
 906                 goto failed_alloc;
 907         }
 908
 909         str = getenv("TDM_DEBUG_MODULE");
 910         if (str)
 911                 tdm_display_enable_debug_module(str);
 912
 913         str = getenv("TDM_DEBUG_DUMP");
 914         if (str)
 915                 tdm_display_enable_dump(private_display, str, NULL, NULL);
 916
 917         str = getenv("TDM_DEBUG_PATH");
 918         if (str)
 919                 tdm_display_enable_path(str);
 920
 921         str = getenv("TDM_COMMIT_PER_VBLANK");
 922         if (str && (strstr(str, "1")))
 923                 tdm_display_enable_commit_per_vblank(private_display, 1);
 924
 925         if (pthread_mutex_init(&private_display->lock, NULL)) {
 926                 ret = TDM_ERROR_OPERATION_FAILED;
 927                 TDM_ERR("mutex init failed: %m");
 928                 goto failed_mutex_init;
 929         }
 930
 931         _pthread_mutex_lock(&private_display->lock);
 932
 933         stamp2 = tdm_helper_get_time();
 934         TDM_DBG("prepare init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 935         stamp1 = stamp2;
 936
 937         ret = tdm_event_loop_init(private_display);
 938         if (ret != TDM_ERROR_NONE)
 939                 goto failed_event;
 940
 941         stamp2 = tdm_helper_get_time();
 942         TDM_DBG("creating event loop time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 943         stamp1 = stamp2;
 944
 945         ret = _tdm_display_load_module(private_display);
 946         if (ret != TDM_ERROR_NONE)
 947                 goto failed_load;
 948
 949         stamp2 = tdm_helper_get_time();
 950         TDM_DBG("loading backend time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 951         stamp1 = stamp2;
 952
 953 #ifdef INIT_BUFMGR
 954         int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
 955         if (tdm_drm_fd >= 0) {
 956                 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
 957                 close(tdm_drm_fd);
 958                 if (!private_display->bufmgr) {
 959                         TDM_ERR("tbm_bufmgr_init failed");
 960                         goto failed_update;
 961                 } else {
 962                         TDM_INFO("tbm_bufmgr_init successed");
 963                 }
 964
 965                 stamp2 = tdm_helper_get_time();
 966                 TDM_DBG("initializing bufmgr time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 967                 stamp1 = stamp2;
 968         }
 969 #endif
 970
 971         TDM_TRACE_BEGIN(Update_Display);
 972         ret = _tdm_display_update_internal(private_display, 0);
 973         TDM_TRACE_END();
 974         if (ret != TDM_ERROR_NONE)
 975                 goto failed_update;
 976
 977         stamp2 = tdm_helper_get_time();
 978         TDM_DBG("updating display time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 979         stamp1 = stamp2;
 980
 981         tdm_event_loop_create_backend_source(private_display);
 982
 983         private_display->init_count = 1;
 984         private_display->commit_type = TDM_COMMIT_TYPE_NONE;
 985
 986         g_private_display = private_display;
 987
 988         if (error)
 989                 *error = TDM_ERROR_NONE;
 990
 991         _pthread_mutex_unlock(&private_display->lock);
 992         _pthread_mutex_unlock(&gLock);
 993
 994         TDM_INFO("init time: %.3f ms", (tdm_helper_get_time() - start) * 1000.0);
 995
 996         return (tdm_display *)private_display;
 997
 998 failed_update:
 999         _tdm_display_unload_module(private_display);
1000 failed_load:
1001         tdm_event_loop_deinit(private_display);
1002 failed_event:
1003         _pthread_mutex_unlock(&private_display->lock);
1004         pthread_mutex_destroy(&private_display->lock);
1005 failed_mutex_init:
1006         free(private_display);
1007 failed_alloc:
1008         if (error)
1009                 *error = ret;
1010         _pthread_mutex_unlock(&gLock);
1011         return NULL;
1012 }
1013
1014 EXTERN void
1015 tdm_display_deinit(tdm_display *dpy)
1016 {
1017         tdm_private_display *private_display = dpy;
1018
1019         if (!private_display)
1020                 return;
1021
1022         _pthread_mutex_lock(&gLock);
1023
1024         private_display->init_count--;
1025         if (private_display->init_count > 0) {
1026                 _pthread_mutex_unlock(&gLock);
1027                 return;
1028         }
1029
1030         /* dont move the position of lock/unlock. all resource should be protected
1031          * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1032          * things because it's finalized.
1033          */
1034         _pthread_mutex_lock(&private_display->lock);
1035         tdm_event_loop_deinit(private_display);
1036         _pthread_mutex_unlock(&private_display->lock);
1037
1038         _tdm_display_destroy_private_display(private_display);
1039         _tdm_display_unload_module(private_display);
1040
1041 #ifdef INIT_BUFMGR
1042         if (private_display->bufmgr)
1043                 tbm_bufmgr_deinit(private_display->bufmgr);
1044 #endif
1045
1046         tdm_helper_set_fd("TDM_DRM_MASTER_FD", -1);
1047
1048         pthread_mutex_destroy(&private_display->lock);
1049         free(private_display);
1050         g_private_display = NULL;
1051
1052         if (tdm_debug_dump_dir) {
1053                 free(tdm_debug_dump_dir);
1054                 tdm_debug_dump_dir = NULL;
1055         }
1056
1057         _pthread_mutex_unlock(&gLock);
1058
1059         TDM_INFO("done");
1060 }
1061
1062 INTERN int
1063 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin)
1064 {
1065         tdm_backend_module *module = private_display->module_data;
1066
1067         if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
1068                 return 0;
1069
1070         if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)
1071                 return 0;
1072
1073         return 1;
1074 }
1075
1076 INTERN tdm_error
1077 tdm_display_enable_debug_module(const char*modules)
1078 {
1079         char temp[TDM_PATH_LEN];
1080         char *arg;
1081         char *end;
1082
1083         snprintf(temp, TDM_PATH_LEN, "%s", modules);
1084
1085         tdm_debug_module = 0;
1086
1087         arg = strtok_r(temp, TDM_DELIM, &end);
1088         while (arg) {
1089                 if (!strncmp(arg, "none", 4)) {
1090                         tdm_debug_module = 0;
1091                         return TDM_ERROR_NONE;
1092                 }
1093                 if (!strncmp(arg, "all", 3)) {
1094                         tdm_debug_module = 0xFFFFFFFF;
1095                         return TDM_ERROR_NONE;
1096                 }
1097                 if (!strncmp(arg, "buffer", 6))
1098                         tdm_debug_module |= TDM_DEBUG_BUFFER;
1099                 else if (!strncmp(arg, "thread", 6))
1100                         tdm_debug_module |= TDM_DEBUG_THREAD;
1101                 else if (!strncmp(arg, "mutex", 5))
1102                         tdm_debug_module |= TDM_DEBUG_MUTEX;
1103                 else if (!strncmp(arg, "vblank", 6))
1104                         tdm_debug_module |= TDM_DEBUG_VBLANK;
1105                 else if (!strncmp(arg, "commit", 6))
1106                         tdm_debug_module |= TDM_DEBUG_COMMIT;
1107                 else
1108                         return TDM_ERROR_BAD_REQUEST;
1109
1110                 arg = strtok_r(NULL, TDM_DELIM, &end);
1111         }
1112
1113         TDM_INFO("module debugging... '%s'", modules);
1114
1115         return TDM_ERROR_NONE;
1116 }
1117
1118 INTERN tdm_error
1119 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len)
1120 {
1121         char temp[TDM_PATH_LEN] = {0,}, temp2[TDM_PATH_LEN] = {0,};
1122         char *path = NULL, *path2;
1123         char *arg;
1124         char *end;
1125
1126         snprintf(temp2, TDM_PATH_LEN, "%s", dump_str);
1127         path2 = strtostr(temp, TDM_PATH_LEN, temp2, "@");
1128         if (!path2 || path2[0] == '\0')
1129                 path2 = TDM_DUMP_DIR;
1130         else
1131                 path2++;
1132
1133         tdm_debug_dump = 0;
1134
1135         snprintf(temp, sizeof(temp), "%s", dump_str);
1136         arg = strtok_r(temp, ",", &end);
1137         TDM_GOTO_IF_FAIL(arg != NULL, done);
1138
1139         if (!strncmp(arg, "none", 4)) {
1140                 tdm_debug_dump = 0;
1141                 TDM_SNPRINTF(reply, len, "path: %s\n", (tdm_debug_dump_dir) ? : "unknown");
1142                 if (tdm_debug_dump_dir) {
1143                         free(tdm_debug_dump_dir);
1144                         tdm_debug_dump_dir = NULL;
1145                 }
1146                 goto done;
1147         }
1148
1149         path = tdm_helper_dump_make_directory(path2, reply, len);
1150         TDM_GOTO_IF_FAIL(path != NULL, done);
1151
1152         if (!strncmp(arg, "current", 7)) {
1153                 tdm_private_output *o = NULL;
1154                 if (!private_display) {
1155                         TDM_WRN("no private_display");
1156                         goto done;
1157                 }
1158
1159                 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1160                         tdm_private_layer *l = NULL;
1161                         LIST_FOR_EACH_ENTRY(l, &o->layer_list, link) {
1162                                 char str[TDM_PATH_LEN];
1163                                 if (l->usable || l->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)
1164                                         continue;
1165                                 snprintf(str, TDM_PATH_LEN, "layer_%d_%d", o->index, l->index);
1166                                 tdm_helper_dump_buffer_str(l->showing_buffer, path, str);
1167                         }
1168                 }
1169
1170                 TDM_SNPRINTF(reply, len, "path: %s\n", path);
1171                 goto done;
1172         }
1173
1174         TDM_SNPRINTF(reply, len, "dump: %s\n", arg);
1175
1176         while (arg) {
1177                 if (!strncmp(arg, "all", 3)) {
1178                         tdm_debug_dump = 0xFFFFFFFF;
1179                         goto done;
1180                 } else if (!strncmp(arg, "layer", 5)) {
1181                         tdm_debug_dump |= TDM_DUMP_FLAG_LAYER;
1182                 } else if (!strncmp(arg, "pp", 2)) {
1183                         tdm_debug_dump |= TDM_DUMP_FLAG_PP;
1184                 } else if (!strncmp(arg, "capture", 7)) {
1185                         tdm_debug_dump |= TDM_DUMP_FLAG_CAPTURE;
1186                 } else
1187                         goto done;
1188
1189                 arg = strtok_r(NULL, ",", &end);
1190         }
1191
1192         if (tdm_debug_dump_dir)
1193                 free(tdm_debug_dump_dir);
1194
1195         tdm_debug_dump_dir = strndup(path, TDM_PATH_LEN);
1196
1197         TDM_INFO("dump... '%s'", dump_str);
1198
1199 done:
1200         if (path)
1201                 free(path);
1202
1203         return TDM_ERROR_NONE;
1204 }
1205
1206 INTERN tdm_error
1207 tdm_display_enable_path(const char *path)
1208 {
1209         static int old_stdout = -1;
1210         char fd_name[TDM_PATH_LEN];
1211         int  log_fd = -1;
1212         FILE *log_fl;
1213
1214         if (old_stdout == -1)
1215                 old_stdout = dup(STDOUT_FILENO);
1216
1217         tdm_log_enable_dlog(0);
1218
1219         snprintf(fd_name, TDM_PATH_LEN, "%s", path);
1220
1221         log_fl = fopen(fd_name, "a");
1222         if (!log_fl) {
1223                 TDM_ERR("failed: open file(%s)\n", fd_name);
1224                 return TDM_ERROR_OPERATION_FAILED;
1225         }
1226
1227         fflush(stderr);
1228         close(STDOUT_FILENO);
1229
1230         setvbuf(log_fl, NULL, _IOLBF, 512);
1231         log_fd = fileno(log_fl);
1232
1233         dup2(log_fd, STDOUT_FILENO);
1234         fclose(log_fl);
1235
1236         return TDM_ERROR_NONE;
1237 }
1238
1239
1240 static void
1241 _tdm_display_ttrace_vblank_cb(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
1242                                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
1243 {
1244         tdm_error ret = TDM_ERROR_NONE;
1245
1246         TDM_TRACE_MARK(VBlank);
1247
1248         ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1249         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1250 }
1251
1252 INTERN tdm_error
1253 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable)
1254 {
1255         static tdm_vblank *vblank = NULL;
1256         tdm_error ret = TDM_ERROR_NONE;
1257
1258         if (!enable) {
1259                 if (vblank)
1260                         tdm_vblank_destroy(vblank);
1261                 vblank = NULL;
1262                 return TDM_ERROR_NONE;
1263         } else {
1264                 const tdm_output_mode *mode = NULL;
1265
1266                 if (vblank)
1267                         return TDM_ERROR_NONE;
1268
1269                 vblank = tdm_vblank_create(dpy, output, &ret);
1270                 TDM_RETURN_VAL_IF_FAIL(vblank != NULL, ret);
1271
1272                 ret = tdm_output_get_mode(output, &mode);
1273                 TDM_GOTO_IF_FAIL(mode != NULL, enable_fail);
1274
1275                 ret = tdm_vblank_set_fps(vblank, mode->vrefresh);
1276                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1277
1278                 ret = tdm_vblank_set_enable_fake(vblank, 1);
1279                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1280
1281                 ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1282                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1283         }
1284
1285         return TDM_ERROR_NONE;
1286
1287 enable_fail:
1288         if (vblank)
1289                 tdm_vblank_destroy(vblank);
1290         vblank = NULL;
1291         return ret;
1292 }
1293
1294 INTERN tdm_error
1295 tdm_display_enable_commit_per_vblank(tdm_private_display *private_display, int enable)
1296 {
1297         private_display->commit_per_vblank = enable;
1298
1299         if (private_display->commit_per_vblank == 1)
1300                 TDM_INFO("commit per vblank: enable (1 layer)");
1301         else if (private_display->commit_per_vblank == 2)
1302                 TDM_INFO("commit per vblank: enable (previous commit)");
1303         else if (private_display->commit_per_vblank > 0)
1304                 TDM_INFO("commit per vblank: enable (unknown)");
1305         else
1306                 TDM_INFO("commit per vblank: disable");
1307
1308         return TDM_ERROR_NONE;
1309 }
1310
1311 INTERN tdm_error
1312 tdm_display_enable_fps(tdm_private_display *private_display, int enable)
1313 {
1314         private_display->print_fps = enable;
1315
1316         TDM_INFO("print fps: %s", (enable) ? "enable" : "disable");
1317
1318         return TDM_ERROR_NONE;
1319 }