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 const char *tdm_mutex_lock_func;
  48 int tdm_mutex_lock_line;
  49 const char *tdm_mutex_unlock_func;
  50 int tdm_mutex_unlock_line;
  51
  52 static tdm_private_layer *
  53 _tdm_display_find_private_layer(tdm_private_output *private_output,
  54                                                                 tdm_layer *layer_backend)
  55 {
  56         tdm_private_layer *private_layer = NULL;
  57
  58         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
  59                 if (private_layer->layer_backend == layer_backend)
  60                         return private_layer;
  61         }
  62
  63         return NULL;
  64 }
  65
  66 static tdm_private_output *
  67 _tdm_display_find_private_output(tdm_private_display *private_display,
  68                                                                  tdm_output *output_backend)
  69 {
  70         tdm_private_output *private_output = NULL;
  71
  72         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
  73                 if (private_output->output_backend == output_backend)
  74                         return private_output;
  75         }
  76
  77         return NULL;
  78 }
  79
  80 INTERN tdm_private_output *
  81 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp)
  82 {
  83         tdm_private_output *private_output = NULL;
  84
  85         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
  86                 if (private_output->stamp == stamp)
  87                         return private_output;
  88         }
  89
  90         return NULL;
  91 }
  92
  93 static void
  94 _tdm_display_destroy_caps_pp(tdm_caps_pp *caps_pp)
  95 {
  96         if (caps_pp->formats)
  97                 free(caps_pp->formats);
  98
  99         memset(caps_pp, 0, sizeof(tdm_caps_pp));
 100 }
 101
 102 static void
 103 _tdm_display_destroy_caps_capture(tdm_caps_capture *caps_capture)
 104 {
 105         if (caps_capture->formats)
 106                 free(caps_capture->formats);
 107
 108         memset(caps_capture, 0, sizeof(tdm_caps_capture));
 109 }
 110
 111 static void
 112 _tdm_display_destroy_caps_layer(tdm_caps_layer *caps_layer)
 113 {
 114         if (caps_layer->formats)
 115                 free(caps_layer->formats);
 116
 117         if (caps_layer->props)
 118                 free(caps_layer->props);
 119
 120         memset(caps_layer, 0, sizeof(tdm_caps_layer));
 121 }
 122
 123 static void
 124 _tdm_display_destroy_caps_output(tdm_caps_output *caps_output)
 125 {
 126         if (caps_output->modes)
 127                 free(caps_output->modes);
 128
 129         if (caps_output->props)
 130                 free(caps_output->props);
 131
 132         memset(caps_output, 0, sizeof(tdm_caps_output));
 133 }
 134
 135 static void
 136 _tdm_display_destroy_private_layer(tdm_private_layer *private_layer)
 137 {
 138         tdm_private_capture *c = NULL, *cc = NULL;
 139
 140         LIST_DEL(&private_layer->link);
 141
 142         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_layer->capture_list, link)
 143         tdm_capture_destroy_internal(c);
 144
 145         _tdm_display_destroy_caps_layer(&private_layer->caps);
 146
 147         free(private_layer);
 148 }
 149
 150 static void
 151 _tdm_display_destroy_private_output(tdm_private_output *private_output)
 152 {
 153         tdm_private_display *private_display = private_output->private_display;
 154         tdm_private_layer *l = NULL, *ll = NULL;
 155         tdm_private_capture *c = NULL, *cc = NULL;
 156         tdm_private_vblank_handler *v = NULL, *vv = NULL;
 157         tdm_private_output_commit_handler *om = NULL, *omm = NULL;
 158         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 159         tdm_private_change_handler *h = NULL, *hh = NULL;
 160
 161         LIST_DEL(&private_output->link);
 162
 163         free(private_output->layers_ptr);
 164
 165         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 166                 LIST_DEL(&v->link);
 167                 free(v);
 168         }
 169
 170         LIST_FOR_EACH_ENTRY_SAFE(om, omm, &private_output->output_commit_handler_list, link) {
 171                 LIST_DEL(&om->link);
 172                 free(om);
 173         }
 174
 175         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
 176                 LIST_DEL(&lm->link);
 177                 free(lm);
 178         }
 179
 180         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
 181                 LIST_DEL(&lm->link);
 182                 free(lm);
 183         }
 184
 185         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_main, link) {
 186                 LIST_DEL(&h->link);
 187                 free(h);
 188         }
 189
 190         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_sub, link) {
 191                 LIST_DEL(&h->link);
 192                 free(h);
 193         }
 194
 195         if (private_output->vblank) {
 196                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 197                 _pthread_mutex_unlock(&private_display->lock);
 198                 tdm_vblank_destroy(private_output->vblank);
 199                 _pthread_mutex_lock(&private_display->lock);
 200         }
 201
 202         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_output->capture_list, link)
 203         tdm_capture_destroy_internal(c);
 204
 205         LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
 206         _tdm_display_destroy_private_layer(l);
 207
 208         _tdm_display_destroy_caps_output(&private_output->caps);
 209
 210         if (private_output->dpms_changed_timer)
 211                 tdm_event_loop_source_remove(private_output->dpms_changed_timer);
 212
 213         private_output->stamp = 0;
 214         free(private_output);
 215 }
 216
 217 static void
 218 _tdm_display_destroy_private_display(tdm_private_display *private_display)
 219 {
 220         tdm_private_output *o = NULL, *oo = NULL;
 221         tdm_private_pp *p = NULL, *pp = NULL;
 222
 223         free(private_display->outputs_ptr);
 224         if (private_display->outputs) {
 225                 free(private_display->outputs);
 226                 private_display->outputs = NULL;
 227         }
 228
 229         LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_display->pp_list, link)
 230         tdm_pp_destroy_internal(p);
 231
 232         LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_display->output_list, link)
 233         _tdm_display_destroy_private_output(o);
 234
 235         _tdm_display_destroy_caps_pp(&private_display->caps_pp);
 236         _tdm_display_destroy_caps_capture(&private_display->caps_capture);
 237
 238         private_display->capabilities = 0;
 239         private_display->caps_display.max_layer_count = 0;
 240 }
 241
 242 static tdm_error
 243 _tdm_display_update_caps_pp(tdm_private_display *private_display,
 244                                                         tdm_caps_pp *caps)
 245 {
 246         tdm_func_display *func_display = &private_display->func_display;
 247         tdm_error ret;
 248
 249         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
 250                 return TDM_ERROR_NONE;
 251
 252         if (!func_display->display_get_pp_capability) {
 253                 TDM_ERR("no display_get_pp_capability()");
 254                 return TDM_ERROR_BAD_MODULE;
 255         }
 256
 257         ret = func_display->display_get_pp_capability(private_display->bdata, caps);
 258         if (ret != TDM_ERROR_NONE) {
 259                 TDM_ERR("display_get_pp_capability() failed");
 260                 return TDM_ERROR_BAD_MODULE;
 261         }
 262
 263         return TDM_ERROR_NONE;
 264 }
 265
 266 static tdm_error
 267 _tdm_display_update_caps_capture(tdm_private_display *private_display,
 268                                                                  tdm_caps_capture *caps)
 269 {
 270         tdm_func_display *func_display = &private_display->func_display;
 271         tdm_error ret;
 272
 273         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
 274                 return TDM_ERROR_NONE;
 275
 276         if (!func_display->display_get_capture_capability) {
 277                 TDM_ERR("no display_get_capture_capability()");
 278                 return TDM_ERROR_BAD_MODULE;
 279         }
 280
 281         ret = func_display->display_get_capture_capability(private_display->bdata, caps);
 282         if (ret != TDM_ERROR_NONE) {
 283                 TDM_ERR("display_get_capture_capability() failed");
 284                 return TDM_ERROR_BAD_MODULE;
 285         }
 286
 287         return TDM_ERROR_NONE;
 288 }
 289
 290 static tdm_error
 291 _tdm_display_update_caps_layer(tdm_private_display *private_display,
 292                                                            tdm_layer *layer_backend, tdm_caps_layer *caps)
 293 {
 294         tdm_func_layer *func_layer = &private_display->func_layer;
 295         tdm_error ret;
 296
 297         if (!func_layer->layer_get_capability) {
 298                 TDM_ERR("no layer_get_capability()");
 299                 return TDM_ERROR_BAD_MODULE;
 300         }
 301
 302         ret = func_layer->layer_get_capability(layer_backend, caps);
 303         if (ret != TDM_ERROR_NONE) {
 304                 TDM_ERR("layer_get_capability() failed");
 305                 return TDM_ERROR_BAD_MODULE;
 306         }
 307
 308         return TDM_ERROR_NONE;
 309 }
 310
 311 static tdm_error
 312 _tdm_display_update_caps_output(tdm_private_display *private_display, int pipe,
 313                                                                 tdm_output *output_backend, tdm_caps_output *caps)
 314 {
 315         tdm_func_output *func_output = &private_display->func_output;
 316         char temp[TDM_NAME_LEN];
 317         tdm_error ret;
 318         double stamp;
 319
 320         if (!func_output->output_get_capability) {
 321                 TDM_ERR("no output_get_capability()");
 322                 return TDM_ERROR_BAD_MODULE;
 323         }
 324
 325         stamp = tdm_helper_get_time();
 326         ret = func_output->output_get_capability(output_backend, caps);
 327         TDM_DBG("backend output_get_capability() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 328
 329         if (ret != TDM_ERROR_NONE) {
 330                 TDM_ERR("output_get_capability() failed");
 331                 return TDM_ERROR_BAD_MODULE;
 332         }
 333
 334         /* FIXME: Use model for tdm client to distinguish amoung outputs */
 335         snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
 336         snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
 337
 338         return TDM_ERROR_NONE;
 339 }
 340
 341 static tdm_error
 342 _tdm_display_update_layer(tdm_private_display *private_display,
 343                                                   tdm_private_output *private_output,
 344                                                   tdm_layer *layer_backend, int index)
 345 {
 346         tdm_private_layer *private_layer;
 347         tdm_error ret;
 348
 349         private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
 350         if (!private_layer) {
 351                 private_layer = calloc(1, sizeof(tdm_private_layer));
 352                 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
 353
 354                 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
 355                 private_layer->index = index;
 356                 private_layer->private_display = private_display;
 357                 private_layer->private_output = private_output;
 358                 private_layer->layer_backend = layer_backend;
 359
 360                 LIST_INITHEAD(&private_layer->capture_list);
 361
 362                 private_layer->usable = 1;
 363         } else
 364                 _tdm_display_destroy_caps_layer(&private_layer->caps);
 365
 366         ret = _tdm_display_update_caps_layer(private_display, layer_backend,
 367                                                                                  &private_layer->caps);
 368         if (ret != TDM_ERROR_NONE)
 369                 goto failed_update;
 370
 371         return TDM_ERROR_NONE;
 372 failed_update:
 373         _tdm_display_destroy_private_layer(private_layer);
 374         return ret;
 375 }
 376
 377 INTERN tdm_error
 378 tdm_display_update_output(tdm_private_display *private_display,
 379                                                   tdm_output *output_backend, int pipe)
 380 {
 381         tdm_func_output *func_output = &private_display->func_output;
 382         tdm_private_output *private_output = NULL;
 383         tdm_layer **layers = NULL;
 384         int layer_count = 0, i;
 385         tdm_error ret;
 386
 387         private_output = _tdm_display_find_private_output(private_display, output_backend);
 388         if (!private_output) {
 389                 private_output = calloc(1, sizeof(tdm_private_output));
 390                 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
 391
 392                 private_output->stamp = tdm_helper_get_time();
 393                 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
 394                         private_output->stamp++;
 395
 396                 LIST_ADDTAIL(&private_output->link, &private_display->output_list);
 397
 398                 private_output->private_display = private_display;
 399                 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
 400                 private_output->output_backend = output_backend;
 401                 private_output->pipe = pipe;
 402                 private_output->index = pipe;
 403
 404                 LIST_INITHEAD(&private_output->layer_list);
 405                 LIST_INITHEAD(&private_output->hwc_window_list);
 406                 LIST_INITHEAD(&private_output->capture_list);
 407                 LIST_INITHEAD(&private_output->vblank_handler_list);
 408                 LIST_INITHEAD(&private_output->output_commit_handler_list);
 409                 LIST_INITHEAD(&private_output->layer_commit_handler_list);
 410                 LIST_INITHEAD(&private_output->pending_commit_handler_list);
 411                 LIST_INITHEAD(&private_output->change_handler_list_main);
 412                 LIST_INITHEAD(&private_output->change_handler_list_sub);
 413
 414                 if (func_output->output_set_status_handler) {
 415                         func_output->output_set_status_handler(private_output->output_backend,
 416                                                                                                    tdm_output_cb_status,
 417                                                                                                    private_output);
 418                         private_output->regist_change_cb = 1;
 419                 }
 420
 421                 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
 422                                                                                           &private_output->caps);
 423                 if (ret != TDM_ERROR_NONE)
 424                         return ret;
 425         } else {
 426                 tdm_caps_output new_caps;
 427
 428                 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
 429                                                                                           &new_caps);
 430                 if (ret != TDM_ERROR_NONE)
 431                         return ret;
 432
 433                 /* FIXME: This is very ugly. need to fix after the TDM ABI is changed. */
 434                 if (private_output->caps.status != new_caps.status) {
 435                         _tdm_display_destroy_caps_output(&private_output->caps);
 436                         private_output->caps = new_caps;
 437                         private_output->current_mode = NULL;
 438                 } else {
 439                         tdm_output_mode *old_modes = private_output->caps.modes;
 440                         unsigned int old_mode_count = private_output->caps.mode_count;
 441                         if (new_caps.modes)
 442                                 free(new_caps.modes);
 443                         new_caps.modes = old_modes;
 444                         new_caps.mode_count = old_mode_count;
 445                         if (private_output->caps.props)
 446                                 free(private_output->caps.props);
 447                         private_output->caps = new_caps;
 448                 }
 449         }
 450
 451         layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
 452         if (ret != TDM_ERROR_NONE)
 453                 goto failed_update;
 454
 455         for (i = 0; i < layer_count; i++) {
 456                 ret = _tdm_display_update_layer(private_display, private_output, layers[i], i);
 457                 if (ret != TDM_ERROR_NONE)
 458                         goto failed_update;
 459         }
 460
 461         free(layers);
 462
 463         return TDM_ERROR_NONE;
 464 failed_update:
 465         _tdm_display_destroy_private_output(private_output);
 466         free(layers);
 467         return ret;
 468 }
 469
 470 static tdm_output **
 471 _tdm_display_set_main_first(tdm_output **outputs, int index)
 472 {
 473         tdm_output *output_tmp = NULL;
 474
 475         if (index == 0)
 476                 return outputs;
 477
 478         output_tmp = outputs[0];
 479         outputs[0] = outputs[index];
 480         outputs[index] = output_tmp;
 481
 482         return outputs;
 483 }
 484
 485 static tdm_output **
 486 _tdm_display_get_ordered_outputs(tdm_private_display *private_display, int *count)
 487 {
 488         tdm_func_display *func_display = &private_display->func_display;
 489         tdm_output **outputs = NULL;
 490         tdm_output **new_outputs = NULL;
 491         tdm_output *output_dsi = NULL;
 492         tdm_output *output_lvds = NULL;
 493         tdm_output *output_hdmia = NULL;
 494         tdm_output *output_hdmib = NULL;
 495         int i, output_count = 0, output_connected_count = 0;
 496         int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
 497         tdm_error ret;
 498
 499         /* don't change list order if not init time */
 500         if (private_display->outputs)
 501                 return private_display->outputs;
 502
 503         outputs = func_display->display_get_outputs(private_display->bdata, &output_count, &ret);
 504         if (ret != TDM_ERROR_NONE)
 505                 goto failed_get_outputs;
 506
 507         *count = output_count;
 508
 509         if (output_count == 0)
 510                 goto failed_get_outputs;
 511         else if (output_count == 1) {
 512                 private_display->outputs = outputs;
 513                 return outputs;
 514         }
 515
 516         /* count connected outputs */
 517         for (i = 0; i < output_count; i++) {
 518                 tdm_func_output *func_output = &private_display->func_output;
 519                 tdm_caps_output caps;
 520                 memset(&caps, 0, sizeof(tdm_caps_output));
 521
 522                 if (!func_output->output_get_capability) {
 523                         TDM_ERR("no output_get_capability()");
 524                         goto failed_get_outputs;
 525                 }
 526
 527                 ret = func_output->output_get_capability(outputs[i], &caps);
 528                 if (ret != TDM_ERROR_NONE) {
 529                         TDM_ERR("output_get_capability() failed");
 530                         goto failed_get_outputs;
 531                 }
 532
 533                 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
 534                         output_connected_count++;
 535
 536                         switch (caps.type) {
 537                         case TDM_OUTPUT_TYPE_DSI:
 538                                 output_dsi = outputs[i];
 539                                 index_dsi = i;
 540                                 break;
 541                         case TDM_OUTPUT_TYPE_LVDS:
 542                                 output_lvds = outputs[i];
 543                                 index_lvds = i;
 544                                 break;
 545                         case TDM_OUTPUT_TYPE_HDMIA:
 546                                 output_hdmia = outputs[i];
 547                                 index_hdmia = i;
 548                                 break;
 549                         case TDM_OUTPUT_TYPE_HDMIB:
 550                                 output_hdmib = outputs[i];
 551                                 index_hdmib = i;
 552                                 break;
 553                         default:
 554                                 break;
 555                         }
 556                 }
 557
 558                 _tdm_display_destroy_caps_output(&caps);
 559         }
 560
 561         /* ordering : main output is first */
 562         /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
 563           * But hdmi is possible, so set hdmi to main display.
 564           * If connected only one output, it is main output.
 565           * If connected outputs over 2, has priority like below.
 566           * (dsi > lvds > hdmi > else)
 567           */
 568         if (output_connected_count == 0) {
 569                 /* hdmi > dsi > lvds > else */
 570                 if (output_hdmia != NULL)
 571                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
 572                 else if (output_hdmib != NULL)
 573                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
 574                 else if (output_dsi != NULL)
 575                         new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
 576                 else if (output_lvds != NULL)
 577                         new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
 578                 else
 579                         new_outputs = outputs;
 580         } else { /* (output_connected_count > 1) */
 581                 /* dsi > lvds > hdmi > else */
 582                 if (output_dsi != NULL)
 583                         new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
 584                 else if (output_lvds != NULL)
 585                         new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
 586                 else if (output_hdmia != NULL)
 587                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
 588                 else if (output_hdmib != NULL)
 589                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
 590                 else
 591                         new_outputs = outputs;
 592         }
 593
 594         private_display->outputs = new_outputs;
 595
 596         return new_outputs;
 597
 598 failed_get_outputs:
 599         free(outputs);
 600         *count = 0;
 601         return NULL;
 602 }
 603
 604 static tdm_error
 605 _tdm_display_update_internal(tdm_private_display *private_display,
 606                                                          int only_display)
 607 {
 608         tdm_output **outputs = NULL;
 609         int output_count = 0, i;
 610         tdm_error ret = TDM_ERROR_NONE;
 611
 612         LIST_INITHEAD(&private_display->output_list);
 613         LIST_INITHEAD(&private_display->pp_list);
 614         LIST_INITHEAD(&private_display->capture_list);
 615
 616         if (!only_display) {
 617                 ret = _tdm_display_update_caps_pp(private_display, &private_display->caps_pp);
 618                 if (ret != TDM_ERROR_NONE)
 619                         goto failed_update;
 620
 621                 ret = _tdm_display_update_caps_capture(private_display,
 622                                                                                            &private_display->caps_capture);
 623                 if (ret != TDM_ERROR_NONE)
 624                         goto failed_update;
 625         }
 626
 627         outputs = _tdm_display_get_ordered_outputs(private_display, &output_count);
 628         if (!outputs)
 629                 goto failed_update;
 630
 631         for (i = 0; i < output_count; i++) {
 632                 ret = tdm_display_update_output(private_display, outputs[i], i);
 633                 if (ret != TDM_ERROR_NONE)
 634                         goto failed_update;
 635         }
 636
 637         return TDM_ERROR_NONE;
 638
 639 failed_update:
 640         _tdm_display_destroy_private_display(private_display);
 641         return ret;
 642 }
 643
 644 EXTERN tdm_error
 645 tdm_display_update(tdm_display *dpy)
 646 {
 647         tdm_private_display *private_display;
 648         tdm_error ret;
 649
 650         TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
 651
 652         private_display = dpy;
 653         _pthread_mutex_lock(&private_display->lock);
 654
 655         ret = _tdm_display_update_internal(private_display, 1);
 656
 657         _pthread_mutex_unlock(&private_display->lock);
 658
 659         return ret;
 660 }
 661
 662 #define SUFFIX_MODULE    ".so"
 663 #define TDM_DEFAULT_MODULE   "libtdm-default"SUFFIX_MODULE
 664 #define TDM_DUMMY_MODULE     "libtdm-dummy"SUFFIX_MODULE
 665
 666 int tdm_debug_module;
 667 int tdm_debug_dump;
 668
 669 static tdm_private_display *g_private_display;
 670 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
 671
 672 /* gets called on behalf of the ecore-main-loop thread */
 673 INTERN tdm_error
 674 tdm_handle_need_validate_event(tdm_thread_cb_need_validate *ev)
 675 {
 676         tdm_private_output *private_output;
 677
 678         TDM_RETURN_VAL_IF_FAIL(ev != NULL, TDM_ERROR_INVALID_PARAMETER);
 679         TDM_RETURN_VAL_IF_FAIL(ev->o != NULL, TDM_ERROR_OPERATION_FAILED);
 680
 681         private_output = ev->o;
 682
 683         TDM_INFO("tdm-backend asks for revalidation for the output:%p.", private_output);
 684
 685         if (private_output->need_validate.hndl)
 686                 private_output->need_validate.hndl((tdm_output*)private_output);
 687
 688         return TDM_ERROR_NONE;
 689 }
 690
 691 /* gets called on behalf of the tdm-thread */
 692 static tdm_error
 693 _need_validate_handler(int fd, tdm_event_loop_mask mask, void *user_data)
 694 {
 695         tdm_thread_cb_need_validate ev;
 696         tdm_private_output *private_output;
 697         tdm_error ret;
 698
 699         private_output = (tdm_private_output *)user_data;
 700
 701         ev.base.type = TDM_THREAD_CB_NEED_VALIDATE;
 702         ev.base.length = sizeof ev;
 703         ev.o = private_output;
 704
 705         ret = tdm_thread_send_cb(private_output->private_display->private_loop, &ev.base);
 706         TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 707
 708         TDM_INFO("tdm-thread: get a 'need to revalidate' event for the ouptut:%p.", private_output);
 709
 710         /* who cares about this? */
 711         return TDM_ERROR_NONE;
 712 }
 713
 714 static void
 715 _tdm_backend_events_init(tdm_private_display *priv_dsp)
 716 {
 717         tdm_private_output *o;
 718         tdm_error err = TDM_ERROR_NONE;
 719         int fd;
 720
 721         /* build in eventfd fds into event_loop listened & handled by the tdm-thread */
 722         LIST_FOR_EACH_ENTRY(o, &priv_dsp->output_list, link) {
 723                 fd = eventfd(0, 0);
 724                 TDM_WARNING_IF_FAIL(fd >= 0);
 725
 726                 tdm_event_loop_add_fd_handler(priv_dsp, fd,     TDM_EVENT_LOOP_READABLE,
 727                                 _need_validate_handler, o, &err);
 728                 TDM_WARNING_IF_FAIL(err == TDM_ERROR_NONE);
 729
 730                 o->need_validate.event_fd = fd;
 731
 732                 TDM_INFO("register an output:%p for the revalidation, event_fd:%d.", o, fd);
 733         }
 734 }
 735
 736 static tdm_error
 737 _tdm_display_check_module(tdm_backend_module *module)
 738 {
 739         int major, minor;
 740
 741         TDM_INFO("TDM ABI version : %d.%d",
 742                          TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
 743
 744         if (!module->name) {
 745                 TDM_ERR("TDM backend doesn't have name");
 746                 return TDM_ERROR_BAD_MODULE;
 747         }
 748
 749         if (!module->vendor) {
 750                 TDM_ERR("TDM backend doesn't have vendor");
 751                 return TDM_ERROR_BAD_MODULE;
 752         }
 753
 754         major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
 755         minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
 756
 757         TDM_INFO("TDM module name: %s", module->name);
 758         TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
 759         TDM_INFO("'%s' version: %d.%d", module->name, major, minor);
 760
 761         if (major != TDM_MAJOR_VERSION) {
 762                 TDM_ERR("'%s' major version mismatch, %d != %d",
 763                                 module->name, major, TDM_MAJOR_VERSION);
 764                 return TDM_ERROR_BAD_MODULE;
 765         }
 766
 767         if (minor > TDM_MINOR_VERSION) {
 768                 TDM_ERR("'%s' minor version(%d) is newer than %d",
 769                                 module->name, minor, TDM_MINOR_VERSION);
 770                 return TDM_ERROR_BAD_MODULE;
 771         }
 772
 773         if (!module->init) {
 774                 TDM_ERR("'%s' doesn't have init function", module->name);
 775                 return TDM_ERROR_BAD_MODULE;
 776         }
 777
 778         if (!module->deinit) {
 779                 TDM_ERR("'%s' doesn't have deinit function", module->name);
 780                 return TDM_ERROR_BAD_MODULE;
 781         }
 782
 783         return TDM_ERROR_NONE;
 784 }
 785
 786 static tdm_error
 787 _tdm_display_check_backend_functions(tdm_private_display *private_display)
 788 {
 789         tdm_func_display *func_display = &private_display->func_display;
 790         tdm_func_output *func_output = &private_display->func_output;
 791         tdm_func_layer *func_layer = &private_display->func_layer;
 792         tdm_error ret;
 793
 794         /* below functions should be implemented in backend side */
 795
 796         TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
 797         TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
 798         TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
 799         TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
 800         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
 801
 802         ret = func_display->display_get_capability(private_display->bdata, &private_display->caps_display);
 803         if (ret != TDM_ERROR_NONE) {
 804                 TDM_ERR("display_get_capability() failed");
 805                 return TDM_ERROR_BAD_MODULE;
 806         }
 807
 808         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
 809                 tdm_func_pp *func_pp = &private_display->func_pp;
 810                 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
 811                 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
 812                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
 813                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
 814                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
 815         }
 816
 817         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
 818                 tdm_func_capture *func_capture = &private_display->func_capture;
 819                 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
 820                 if (private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT)
 821                         TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
 822                 if (private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_LAYER)
 823                         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
 824                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
 825                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
 826                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
 827         }
 828
 829         return TDM_ERROR_NONE;
 830 }
 831
 832 static tdm_error
 833 _tdm_display_load_module_with_file(tdm_private_display *private_display,
 834                                                                    const char *file)
 835 {
 836         char path[PATH_MAX] = {0,};
 837         tdm_backend_module *module_data;
 838         void *module;
 839         tdm_error ret;
 840         double stamp;
 841
 842         snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
 843
 844         stamp = tdm_helper_get_time();
 845         TDM_TRACE_BEGIN(Load_Backend);
 846
 847         module = dlopen(path, RTLD_LAZY);
 848         if (!module) {
 849                 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
 850                 TDM_TRACE_END();
 851                 return TDM_ERROR_BAD_MODULE;
 852         }
 853
 854         module_data = dlsym(module, "tdm_backend_module_data");
 855         if (!module_data) {
 856                 TDM_ERR("'%s' doesn't have data object", file);
 857                 ret = TDM_ERROR_BAD_MODULE;
 858                 TDM_TRACE_END();
 859                 goto failed_load;
 860         }
 861
 862         TDM_DBG("dlopen, dlsym time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 863
 864         private_display->module_data = module_data;
 865         private_display->module = module;
 866
 867         /* check if version, init() and deinit() are valid or not */
 868         ret = _tdm_display_check_module(module_data);
 869         if (ret != TDM_ERROR_NONE)
 870                 goto failed_load;
 871
 872         TDM_TRACE_END();
 873
 874         /* We don't care if backend_data is NULL or not. It's up to backend. */
 875         TDM_TRACE_BEGIN(Init_Backend);
 876         stamp = tdm_helper_get_time();
 877         private_display->bdata = module_data->init((tdm_display *)private_display, &ret);
 878         TDM_DBG("backend init() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 879         TDM_TRACE_END();
 880
 881         if (ret != TDM_ERROR_NONE) {
 882                 TDM_ERR("failed to init '%s' module", module_data->name);
 883                 goto failed_load;
 884         }
 885
 886         ret = _tdm_display_check_backend_functions(private_display);
 887         if (ret != TDM_ERROR_NONE) {
 888                 module_data->deinit(private_display->bdata);
 889                 private_display->bdata = NULL;
 890                 goto failed_load;
 891         }
 892
 893         TDM_INFO("Success to load '%s' module", module_data->name);
 894
 895         return TDM_ERROR_NONE;
 896 failed_load:
 897         dlclose(module);
 898         private_display->module_data = NULL;
 899         private_display->module = NULL;
 900         return ret;
 901 }
 902
 903 static tdm_error
 904 _tdm_display_load_module(tdm_private_display *private_display)
 905 {
 906         const char *module_name;
 907         struct dirent **namelist;
 908         int n;
 909         tdm_error ret = 0;
 910
 911         module_name = getenv("TDM_MODULE");
 912         if (!module_name)
 913                 module_name = TDM_DEFAULT_MODULE;
 914
 915         /* load bufmgr priv from default lib */
 916         ret = _tdm_display_load_module_with_file(private_display, module_name);
 917         if (ret == TDM_ERROR_NONE)
 918                 return TDM_ERROR_NONE;
 919
 920         /* load bufmgr priv from dummy lib */
 921         ret = _tdm_display_load_module_with_file(private_display, TDM_DUMMY_MODULE);
 922         if (ret == TDM_ERROR_NONE)
 923                 return TDM_ERROR_NONE;
 924
 925         /* load bufmgr priv from configured path */
 926         n = scandir(TDM_MODULE_PATH, &namelist, 0, alphasort);
 927         if (n < 0) {
 928                 TDM_ERR("no module in '%s'\n", TDM_MODULE_PATH);
 929                 return TDM_ERROR_BAD_MODULE;
 930         }
 931
 932         ret = TDM_ERROR_BAD_MODULE;
 933         while (n--) {
 934                 if (ret < 0 && strstr(namelist[n]->d_name, SUFFIX_MODULE))
 935                         ret = _tdm_display_load_module_with_file(private_display, namelist[n]->d_name);
 936
 937                 free(namelist[n]);
 938         }
 939         free(namelist);
 940
 941         return ret;
 942 }
 943
 944 static void
 945 _tdm_display_unload_module(tdm_private_display *private_display)
 946 {
 947         if (private_display->module_data)
 948                 private_display->module_data->deinit(private_display->bdata);
 949         if (private_display->module)
 950                 dlclose(private_display->module);
 951
 952         private_display->bdata = NULL;
 953         private_display->module_data = NULL;
 954         private_display->module = NULL;
 955 }
 956
 957 EXTERN tdm_display *
 958 tdm_display_init(tdm_error *error)
 959 {
 960         tdm_private_display *private_display = NULL;
 961         const char *str;
 962         tdm_error ret;
 963         double stamp1, stamp2, start;
 964
 965         pthread_mutex_lock(&gLock);
 966
 967         if (g_private_display) {
 968                 g_private_display->init_count++;
 969                 pthread_mutex_unlock(&gLock);
 970                 if (error)
 971                         *error = TDM_ERROR_NONE;
 972                 return g_private_display;
 973         }
 974
 975         start = stamp1 = tdm_helper_get_time();
 976
 977         private_display = calloc(1, sizeof(tdm_private_display));
 978         if (!private_display) {
 979                 ret = TDM_ERROR_OUT_OF_MEMORY;
 980                 TDM_ERR("'private_display != NULL' failed");
 981                 goto failed_alloc;
 982         }
 983
 984         str = getenv("TDM_DEBUG_MODULE");
 985         if (str)
 986                 tdm_display_enable_debug_module(str);
 987
 988         str = getenv("TDM_DEBUG_DUMP");
 989         if (str)
 990                 tdm_display_enable_dump(private_display, str, NULL, NULL);
 991
 992         str = getenv("TDM_DEBUG_PATH");
 993         if (str)
 994                 tdm_display_enable_path(str);
 995
 996         str = getenv("TDM_COMMIT_PER_VBLANK");
 997         if (str) {
 998                 char *end;
 999                 int enable = strtol(str, &end, 10);
1000
1001                 tdm_display_enable_commit_per_vblank(private_display, enable);
1002         }
1003
1004         str = getenv("TDM_HWC");
1005         if (str) {
1006                 char *end;
1007                 int enable = strtol(str, &end, 10);
1008                 private_display->hwc_enable = enable;
1009         }
1010
1011         if (pthread_mutex_init(&private_display->lock, NULL)) {
1012                 ret = TDM_ERROR_OPERATION_FAILED;
1013                 TDM_ERR("mutex init failed: %m");
1014                 goto failed_mutex_init;
1015         }
1016
1017         _pthread_mutex_lock(&private_display->lock);
1018
1019         stamp2 = tdm_helper_get_time();
1020         TDM_DBG("prepare init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1021         stamp1 = stamp2;
1022
1023         ret = tdm_event_loop_init(private_display);
1024         if (ret != TDM_ERROR_NONE)
1025                 goto failed_event;
1026
1027         stamp2 = tdm_helper_get_time();
1028         TDM_DBG("creating event loop time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1029         stamp1 = stamp2;
1030
1031         ret = _tdm_display_load_module(private_display);
1032         if (ret != TDM_ERROR_NONE)
1033                 goto failed_load;
1034
1035         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_HWC))
1036                 private_display->hwc_enable = 0;
1037
1038         stamp2 = tdm_helper_get_time();
1039         TDM_DBG("loading backend time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1040         stamp1 = stamp2;
1041
1042 #ifdef INIT_BUFMGR
1043         int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
1044         if (tdm_drm_fd >= 0) {
1045                 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
1046                 close(tdm_drm_fd);
1047                 if (!private_display->bufmgr) {
1048                         TDM_ERR("tbm_bufmgr_init failed");
1049                         goto failed_update;
1050                 } else {
1051                         TDM_INFO("tbm_bufmgr_init successed");
1052                 }
1053
1054                 stamp2 = tdm_helper_get_time();
1055                 TDM_DBG("initializing bufmgr time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1056                 stamp1 = stamp2;
1057         }
1058 #endif
1059
1060         TDM_TRACE_BEGIN(Update_Display);
1061         ret = _tdm_display_update_internal(private_display, 0);
1062         TDM_TRACE_END();
1063         if (ret != TDM_ERROR_NONE)
1064                 goto failed_update;
1065
1066         stamp2 = tdm_helper_get_time();
1067         TDM_DBG("updating display time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1068         stamp1 = stamp2;
1069
1070         tdm_event_loop_create_backend_source(private_display);
1071
1072         private_display->init_count = 1;
1073         private_display->commit_type = TDM_COMMIT_TYPE_NONE;
1074
1075         if (private_display->hwc_enable)
1076                 _tdm_backend_events_init(private_display);
1077
1078         g_private_display = private_display;
1079
1080         if (error)
1081                 *error = TDM_ERROR_NONE;
1082
1083         _pthread_mutex_unlock(&private_display->lock);
1084         pthread_mutex_unlock(&gLock);
1085
1086         TDM_INFO("init time: %.3f ms", (tdm_helper_get_time() - start) * 1000.0);
1087
1088         return (tdm_display *)private_display;
1089
1090 failed_update:
1091         _tdm_display_unload_module(private_display);
1092 failed_load:
1093         tdm_event_loop_stop(private_display);
1094         tdm_event_loop_deinit(private_display);
1095 failed_event:
1096         _pthread_mutex_unlock(&private_display->lock);
1097         pthread_mutex_destroy(&private_display->lock);
1098 failed_mutex_init:
1099         free(private_display);
1100 failed_alloc:
1101         if (error)
1102                 *error = ret;
1103         pthread_mutex_unlock(&gLock);
1104         return NULL;
1105 }
1106
1107 EXTERN void
1108 tdm_display_deinit(tdm_display *dpy)
1109 {
1110         tdm_private_display *private_display = dpy;
1111
1112         if (!private_display)
1113                 return;
1114
1115         pthread_mutex_lock(&gLock);
1116
1117         private_display->init_count--;
1118         if (private_display->init_count > 0) {
1119                 pthread_mutex_unlock(&gLock);
1120                 return;
1121         }
1122
1123         /* dont move the position of lock/unlock. all resource should be protected
1124          * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1125          * things because it's finalized.
1126          */
1127         _pthread_mutex_lock(&private_display->lock);
1128         tdm_event_loop_stop(private_display);
1129         _tdm_display_destroy_private_display(private_display);
1130         _tdm_display_unload_module(private_display);
1131         _pthread_mutex_unlock(&private_display->lock);
1132
1133         tdm_event_loop_deinit(private_display);
1134
1135 #ifdef INIT_BUFMGR
1136         if (private_display->bufmgr)
1137                 tbm_bufmgr_deinit(private_display->bufmgr);
1138 #endif
1139
1140         tdm_helper_set_fd("TDM_DRM_MASTER_FD", -1);
1141
1142         pthread_mutex_destroy(&private_display->lock);
1143         free(private_display);
1144         g_private_display = NULL;
1145
1146         if (tdm_debug_dump_dir) {
1147                 free(tdm_debug_dump_dir);
1148                 tdm_debug_dump_dir = NULL;
1149         }
1150
1151         pthread_mutex_unlock(&gLock);
1152
1153         TDM_INFO("done");
1154 }
1155
1156 INTERN int
1157 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin)
1158 {
1159         tdm_backend_module *module = private_display->module_data;
1160
1161         if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
1162                 return 0;
1163
1164         if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)
1165                 return 0;
1166
1167         return 1;
1168 }
1169
1170 INTERN tdm_error
1171 tdm_display_enable_debug_module(const char*modules)
1172 {
1173         char temp[TDM_PATH_LEN];
1174         char *arg;
1175         char *end;
1176
1177         snprintf(temp, TDM_PATH_LEN, "%s", modules);
1178
1179         tdm_debug_module = 0;
1180
1181         arg = strtok_r(temp, TDM_DELIM, &end);
1182         while (arg) {
1183                 if (!strncmp(arg, "none", 4)) {
1184                         tdm_debug_module = 0;
1185                         return TDM_ERROR_NONE;
1186                 }
1187                 if (!strncmp(arg, "all", 3)) {
1188                         tdm_debug_module = 0xFFFFFFFF;
1189                         return TDM_ERROR_NONE;
1190                 }
1191                 if (!strncmp(arg, "buffer", 6))
1192                         tdm_debug_module |= TDM_DEBUG_BUFFER;
1193                 else if (!strncmp(arg, "thread", 6))
1194                         tdm_debug_module |= TDM_DEBUG_THREAD;
1195                 else if (!strncmp(arg, "mutex", 5))
1196                         tdm_debug_module |= TDM_DEBUG_MUTEX;
1197                 else if (!strncmp(arg, "vblank", 6))
1198                         tdm_debug_module |= TDM_DEBUG_VBLANK;
1199                 else if (!strncmp(arg, "commit", 6))
1200                         tdm_debug_module |= TDM_DEBUG_COMMIT;
1201                 else
1202                         return TDM_ERROR_BAD_REQUEST;
1203
1204                 arg = strtok_r(NULL, TDM_DELIM, &end);
1205         }
1206
1207         TDM_INFO("module debugging... '%s'", modules);
1208
1209         return TDM_ERROR_NONE;
1210 }
1211
1212 INTERN tdm_error
1213 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len)
1214 {
1215         char temp[TDM_PATH_LEN] = {0,}, temp2[TDM_PATH_LEN] = {0,};
1216         char *path = NULL, *path2;
1217         char *arg;
1218         char *end;
1219
1220         snprintf(temp2, TDM_PATH_LEN, "%s", dump_str);
1221         path2 = strtostr(temp, TDM_PATH_LEN, temp2, "@");
1222         if (!path2 || path2[0] == '\0')
1223                 path2 = TDM_DUMP_DIR;
1224         else
1225                 path2++;
1226
1227         tdm_debug_dump = 0;
1228
1229         snprintf(temp, sizeof(temp), "%s", dump_str);
1230         arg = strtok_r(temp, ",", &end);
1231         TDM_GOTO_IF_FAIL(arg != NULL, done);
1232
1233         if (!strncmp(arg, "none", 4)) {
1234                 tdm_debug_dump = 0;
1235                 TDM_SNPRINTF(reply, len, "path: %s\n", (tdm_debug_dump_dir) ? : "unknown");
1236                 if (tdm_debug_dump_dir) {
1237                         free(tdm_debug_dump_dir);
1238                         tdm_debug_dump_dir = NULL;
1239                 }
1240                 goto done;
1241         }
1242
1243         path = tdm_helper_dump_make_directory(path2, reply, len);
1244         TDM_GOTO_IF_FAIL(path != NULL, done);
1245
1246         if (!strncmp(arg, "current", 7)) {
1247                 tdm_private_output *o = NULL;
1248                 if (!private_display) {
1249                         TDM_WRN("no private_display");
1250                         goto done;
1251                 }
1252
1253                 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1254                         tdm_private_layer *l = NULL;
1255                         LIST_FOR_EACH_ENTRY(l, &o->layer_list, link) {
1256                                 char str[TDM_PATH_LEN];
1257                                 if (l->usable || l->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)
1258                                         continue;
1259                                 if (!l->showing_buffer)
1260                                         continue;
1261                                 snprintf(str, TDM_PATH_LEN, "layer_%d_%d", o->index, l->index);
1262                                 tdm_helper_dump_buffer_str(l->showing_buffer->buffer, path, str);
1263                         }
1264                 }
1265
1266                 TDM_SNPRINTF(reply, len, "path: %s\n", path);
1267                 goto done;
1268         }
1269
1270         TDM_SNPRINTF(reply, len, "dump: %s\n", arg);
1271
1272         while (arg) {
1273                 if (!strncmp(arg, "all", 3)) {
1274                         tdm_debug_dump = 0xFFFFFFFF;
1275                         goto done;
1276                 } else if (!strncmp(arg, "layer", 5)) {
1277                         tdm_debug_dump |= TDM_DUMP_FLAG_LAYER;
1278                 } else if (!strncmp(arg, "pp", 2)) {
1279                         tdm_debug_dump |= TDM_DUMP_FLAG_PP;
1280                 } else if (!strncmp(arg, "capture", 7)) {
1281                         tdm_debug_dump |= TDM_DUMP_FLAG_CAPTURE;
1282                 } else if (!strncmp(arg, "window", 6)) {
1283                         tdm_debug_dump |= TDM_DUMP_FLAG_WINDOW;
1284                 } else
1285                         goto done;
1286
1287                 arg = strtok_r(NULL, ",", &end);
1288         }
1289
1290         if (tdm_debug_dump_dir)
1291                 free(tdm_debug_dump_dir);
1292
1293         tdm_debug_dump_dir = strndup(path, TDM_PATH_LEN);
1294
1295         TDM_INFO("dump... '%s'", dump_str);
1296
1297 done:
1298         if (path)
1299                 free(path);
1300
1301         return TDM_ERROR_NONE;
1302 }
1303
1304 INTERN tdm_error
1305 tdm_display_enable_path(const char *path)
1306 {
1307         static int old_stdout = -1;
1308         char fd_name[TDM_PATH_LEN];
1309         int  log_fd = -1;
1310         FILE *log_fl;
1311
1312         if (old_stdout == -1)
1313                 old_stdout = dup(STDOUT_FILENO);
1314
1315         tdm_log_enable_dlog(0);
1316
1317         snprintf(fd_name, TDM_PATH_LEN, "%s", path);
1318
1319         log_fl = fopen(fd_name, "a");
1320         if (!log_fl) {
1321                 TDM_ERR("failed: open file(%s)\n", fd_name);
1322                 return TDM_ERROR_OPERATION_FAILED;
1323         }
1324
1325         fflush(stderr);
1326         close(STDOUT_FILENO);
1327
1328         setvbuf(log_fl, NULL, _IOLBF, 512);
1329         log_fd = fileno(log_fl);
1330
1331         dup2(log_fd, STDOUT_FILENO);
1332         fclose(log_fl);
1333
1334         return TDM_ERROR_NONE;
1335 }
1336
1337
1338 static void
1339 _tdm_display_ttrace_vblank_cb(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
1340                                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
1341 {
1342         tdm_error ret = TDM_ERROR_NONE;
1343
1344         TDM_TRACE_MARK(VBlank);
1345
1346         ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1347         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1348 }
1349
1350 INTERN tdm_error
1351 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable)
1352 {
1353         static tdm_vblank *vblank = NULL;
1354         tdm_error ret = TDM_ERROR_NONE;
1355
1356         if (!enable) {
1357                 if (vblank)
1358                         tdm_vblank_destroy(vblank);
1359                 vblank = NULL;
1360                 return TDM_ERROR_NONE;
1361         } else {
1362                 const tdm_output_mode *mode = NULL;
1363
1364                 if (vblank)
1365                         return TDM_ERROR_NONE;
1366
1367                 vblank = tdm_vblank_create(dpy, output, &ret);
1368                 TDM_RETURN_VAL_IF_FAIL(vblank != NULL, ret);
1369
1370                 ret = tdm_output_get_mode(output, &mode);
1371                 TDM_GOTO_IF_FAIL(mode != NULL, enable_fail);
1372
1373                 ret = tdm_vblank_set_fps(vblank, mode->vrefresh);
1374                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1375
1376                 ret = tdm_vblank_set_enable_fake(vblank, 1);
1377                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1378
1379                 ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1380                 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1381         }
1382
1383         return TDM_ERROR_NONE;
1384
1385 enable_fail:
1386         if (vblank)
1387                 tdm_vblank_destroy(vblank);
1388         vblank = NULL;
1389         return ret;
1390 }
1391
1392 INTERN tdm_error
1393 tdm_display_enable_commit_per_vblank(tdm_private_display *private_display, int enable)
1394 {
1395         private_display->commit_per_vblank = enable;
1396
1397         if (private_display->commit_per_vblank == 0)
1398                 TDM_INFO("commit per vblank: disable");
1399         else if (private_display->commit_per_vblank == 1)
1400                 TDM_INFO("commit per vblank: enable (1 layer)");
1401         else if (private_display->commit_per_vblank == 2)
1402                 TDM_INFO("commit per vblank: enable (previous commit)");
1403         else {
1404                 private_display->commit_per_vblank = 1;
1405                 TDM_INFO("commit per vblank: enable (changed to 1 layer)");
1406         }
1407
1408         return TDM_ERROR_NONE;
1409 }
1410
1411 INTERN tdm_error
1412 tdm_display_enable_fps(tdm_private_display *private_display, int enable)
1413 {
1414         private_display->print_fps = enable;
1415
1416         TDM_INFO("print fps: %s", (enable) ? "enable" : "disable");
1417
1418         return TDM_ERROR_NONE;
1419 }