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_private.h"
  41
  42 pthread_mutex_t tdm_mutex_check_lock = PTHREAD_MUTEX_INITIALIZER;
  43 int tdm_mutex_locked;
  44 const char *tdm_mutex_lock_func;
  45 int tdm_mutex_lock_line;
  46 const char *tdm_mutex_unlock_func;
  47 int tdm_mutex_unlock_line;
  48
  49 /* LCOV_EXCL_START */
  50 static tdm_private_layer *
  51 _tdm_display_find_private_layer(tdm_private_output *private_output,
  52                                                                 tdm_layer *layer_backend)
  53 {
  54         tdm_private_layer *private_layer = NULL;
  55
  56         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
  57                 if (private_layer->layer_backend == layer_backend)
  58                         return private_layer;
  59         }
  60
  61         return NULL;
  62 }
  63
  64 static tdm_private_output *
  65 _tdm_display_find_private_output(tdm_private_display *private_display,
  66                                                                  tdm_output *output_backend)
  67 {
  68         tdm_private_output *private_output = NULL;
  69
  70         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
  71                 if (private_output->output_backend == output_backend)
  72                         return private_output;
  73         }
  74
  75         return NULL;
  76 }
  77
  78 INTERN tdm_private_output *
  79 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp)
  80 {
  81         tdm_private_output *private_output = NULL;
  82
  83         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
  84                 if (private_output->stamp == stamp)
  85                         return private_output;
  86         }
  87
  88         return NULL;
  89 }
  90
  91 static void
  92 _tdm_display_destroy_caps_pp(tdm_caps_pp *caps_pp)
  93 {
  94         if (caps_pp->formats)
  95                 free(caps_pp->formats);
  96
  97         memset(caps_pp, 0, sizeof(tdm_caps_pp));
  98 }
  99
 100 static void
 101 _tdm_display_destroy_caps_capture(tdm_caps_capture *caps_capture)
 102 {
 103         if (caps_capture->formats)
 104                 free(caps_capture->formats);
 105
 106         memset(caps_capture, 0, sizeof(tdm_caps_capture));
 107 }
 108
 109 static void
 110 _tdm_display_destroy_caps_layer(tdm_caps_layer *caps_layer)
 111 {
 112         if (caps_layer->formats)
 113                 free(caps_layer->formats);
 114
 115         if (caps_layer->props)
 116                 free(caps_layer->props);
 117
 118         memset(caps_layer, 0, sizeof(tdm_caps_layer));
 119 }
 120
 121 static void
 122 _tdm_display_destroy_caps_output(tdm_caps_output *caps_output)
 123 {
 124         if (caps_output->modes)
 125                 free(caps_output->modes);
 126
 127         if (caps_output->props)
 128                 free(caps_output->props);
 129
 130         memset(caps_output, 0, sizeof(tdm_caps_output));
 131 }
 132
 133 static void
 134 _tdm_display_destroy_private_layer(tdm_private_layer *private_layer)
 135 {
 136         tdm_private_capture *c = NULL, *cc = NULL;
 137
 138         LIST_DEL(&private_layer->link);
 139
 140         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_layer->capture_list, link)
 141         tdm_capture_destroy_internal(c);
 142
 143         _tdm_display_destroy_caps_layer(&private_layer->caps);
 144
 145         free(private_layer);
 146 }
 147
 148 static void
 149 _tdm_display_destroy_private_output(tdm_private_output *private_output)
 150 {
 151         tdm_private_display *private_display = private_output->private_display;
 152         tdm_private_layer *l = NULL, *ll = NULL;
 153         tdm_private_hwc_window *hw = NULL, *hww = NULL;
 154         tdm_private_capture *c = NULL, *cc = NULL;
 155         tdm_private_vblank_handler *v = NULL, *vv = NULL;
 156         tdm_private_output_commit_handler *om = NULL, *omm = NULL;
 157         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 158         tdm_private_change_handler *h = NULL, *hh = NULL;
 159
 160         LIST_DEL(&private_output->link);
 161
 162         free(private_output->layers_ptr);
 163
 164         if (private_output->vblank_timeout_timer)
 165                 tdm_event_loop_source_remove(private_output->vblank_timeout_timer);
 166
 167         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 168                 LIST_DEL(&v->link);
 169                 free(v);
 170         }
 171
 172         LIST_FOR_EACH_ENTRY_SAFE(om, omm, &private_output->output_commit_handler_list, link) {
 173                 LIST_DEL(&om->link);
 174                 free(om);
 175         }
 176
 177         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
 178                 LIST_DEL(&lm->link);
 179                 free(lm);
 180         }
 181
 182         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
 183                 LIST_DEL(&lm->link);
 184                 free(lm);
 185         }
 186
 187         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_main, link) {
 188                 LIST_DEL(&h->link);
 189                 free(h);
 190         }
 191
 192         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_sub, link) {
 193                 LIST_DEL(&h->link);
 194                 free(h);
 195         }
 196
 197         if (private_output->vblank) {
 198                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 199                 _pthread_mutex_unlock(&private_display->lock);
 200                 tdm_vblank_destroy(private_output->vblank);
 201                 _pthread_mutex_lock(&private_display->lock);
 202         }
 203
 204         if (private_output->ttrace_vblank) {
 205                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 206                 _pthread_mutex_unlock(&private_display->lock);
 207                 tdm_vblank_destroy(private_output->ttrace_vblank);
 208                 _pthread_mutex_lock(&private_display->lock);
 209         }
 210
 211         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_output->capture_list, link)
 212         tdm_capture_destroy_internal(c);
 213
 214         LIST_FOR_EACH_ENTRY_SAFE(hw, hww, &private_output->hwc_window_list, link)
 215         tdm_hwc_window_destroy_internal(hw);
 216
 217         LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
 218         _tdm_display_destroy_private_layer(l);
 219
 220         _tdm_display_destroy_caps_output(&private_output->caps);
 221
 222         if (private_output->dpms_changed_timer)
 223                 tdm_event_loop_source_remove(private_output->dpms_changed_timer);
 224
 225         tdm_event_loop_source_remove(private_output->need_validate.event_source);
 226         close(private_output->need_validate.event_fd);
 227
 228         private_output->stamp = 0;
 229         free(private_output);
 230 }
 231
 232 static void
 233 _tdm_display_destroy_private_display(tdm_private_display *private_display)
 234 {
 235         tdm_private_output *o = NULL, *oo = NULL;
 236         tdm_private_pp *p = NULL, *pp = NULL;
 237
 238         free(private_display->outputs_ptr);
 239         if (private_display->outputs) {
 240                 free(private_display->outputs);
 241                 private_display->outputs = NULL;
 242         }
 243
 244         LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_display->pp_list, link)
 245         tdm_pp_destroy_internal(p);
 246
 247         LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_display->output_list, link)
 248         _tdm_display_destroy_private_output(o);
 249
 250         _tdm_display_destroy_caps_pp(&private_display->caps_pp);
 251         _tdm_display_destroy_caps_capture(&private_display->caps_capture);
 252
 253         private_display->capabilities = 0;
 254         private_display->caps_display.max_layer_count = 0;
 255 }
 256
 257 static tdm_error
 258 _tdm_display_update_caps_pp(tdm_private_display *private_display,
 259                                                         tdm_caps_pp *caps)
 260 {
 261         tdm_func_display *func_display = &private_display->func_display;
 262         tdm_error ret;
 263
 264         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
 265                 return TDM_ERROR_NONE;
 266
 267         if (!func_display->display_get_pp_capability) {
 268                 TDM_ERR("no display_get_pp_capability()");
 269                 return TDM_ERROR_BAD_MODULE;
 270         }
 271
 272         ret = func_display->display_get_pp_capability(private_display->bdata, caps);
 273         if (ret != TDM_ERROR_NONE) {
 274                 TDM_ERR("display_get_pp_capability() failed");
 275                 return TDM_ERROR_BAD_MODULE;
 276         }
 277
 278         return TDM_ERROR_NONE;
 279 }
 280
 281 static tdm_error
 282 _tdm_display_update_caps_capture(tdm_private_display *private_display,
 283                                                                  tdm_caps_capture *caps)
 284 {
 285         tdm_func_display *func_display = &private_display->func_display;
 286         tdm_error ret;
 287
 288         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
 289                 return TDM_ERROR_NONE;
 290
 291         if (!func_display->display_get_capture_capability) {
 292                 TDM_ERR("no display_get_capture_capability()");
 293                 return TDM_ERROR_BAD_MODULE;
 294         }
 295
 296         ret = func_display->display_get_capture_capability(private_display->bdata, caps);
 297         if (ret != TDM_ERROR_NONE) {
 298                 TDM_ERR("display_get_capture_capability() failed");
 299                 return TDM_ERROR_BAD_MODULE;
 300         }
 301
 302         return TDM_ERROR_NONE;
 303 }
 304
 305 static tdm_error
 306 _tdm_display_update_caps_layer(tdm_private_display *private_display,
 307                                                            tdm_layer *layer_backend, tdm_caps_layer *caps)
 308 {
 309         tdm_func_layer *func_layer = &private_display->func_layer;
 310         tdm_error ret;
 311
 312         if (!func_layer->layer_get_capability) {
 313                 TDM_ERR("no layer_get_capability()");
 314                 return TDM_ERROR_BAD_MODULE;
 315         }
 316
 317         ret = func_layer->layer_get_capability(layer_backend, caps);
 318         if (ret != TDM_ERROR_NONE) {
 319                 TDM_ERR("layer_get_capability() failed");
 320                 return TDM_ERROR_BAD_MODULE;
 321         }
 322
 323         return TDM_ERROR_NONE;
 324 }
 325
 326 static tdm_error
 327 _tdm_display_update_caps_output(tdm_private_display *private_display, int pipe,
 328                                                                 tdm_output *output_backend, tdm_caps_output *caps)
 329 {
 330         tdm_func_output *func_output = &private_display->func_output;
 331         char temp[TDM_NAME_LEN];
 332         tdm_error ret;
 333         double stamp;
 334
 335         if (!func_output->output_get_capability) {
 336                 TDM_ERR("no output_get_capability()");
 337                 return TDM_ERROR_BAD_MODULE;
 338         }
 339
 340         stamp = tdm_helper_get_time();
 341         ret = func_output->output_get_capability(output_backend, caps);
 342         TDM_DBG("backend output_get_capability() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 343
 344         if (ret != TDM_ERROR_NONE) {
 345                 TDM_ERR("output_get_capability() failed");
 346                 return TDM_ERROR_BAD_MODULE;
 347         }
 348
 349         /* FIXME: Use model for tdm client to distinguish amoung outputs */
 350         snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
 351         snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
 352
 353         return TDM_ERROR_NONE;
 354 }
 355
 356 static tdm_error
 357 _tdm_display_update_layer(tdm_private_display *private_display,
 358                                                   tdm_private_output *private_output,
 359                                                   tdm_layer *layer_backend, int index)
 360 {
 361         tdm_private_layer *private_layer;
 362         tdm_error ret;
 363
 364         private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
 365         if (!private_layer) {
 366                 private_layer = calloc(1, sizeof(tdm_private_layer));
 367                 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
 368
 369                 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
 370                 private_layer->index = index;
 371                 private_layer->private_display = private_display;
 372                 private_layer->private_output = private_output;
 373                 private_layer->layer_backend = layer_backend;
 374
 375                 LIST_INITHEAD(&private_layer->capture_list);
 376
 377                 private_layer->usable = 1;
 378         } else
 379                 _tdm_display_destroy_caps_layer(&private_layer->caps);
 380
 381         ret = _tdm_display_update_caps_layer(private_display, layer_backend,
 382                                                                                  &private_layer->caps);
 383         if (ret != TDM_ERROR_NONE)
 384                 goto failed_update;
 385
 386         return TDM_ERROR_NONE;
 387 failed_update:
 388         _tdm_display_destroy_private_layer(private_layer);
 389         return ret;
 390 }
 391
 392 INTERN tdm_error
 393 tdm_display_update_output(tdm_private_display *private_display,
 394                                                   tdm_output *output_backend, int pipe)
 395 {
 396         tdm_func_output *func_output = &private_display->func_output;
 397         tdm_private_output *private_output = NULL;
 398         tdm_layer **layers = NULL;
 399         int layer_count = 0, i;
 400         tdm_error ret;
 401
 402         private_output = _tdm_display_find_private_output(private_display, output_backend);
 403         if (!private_output) {
 404                 private_output = calloc(1, sizeof(tdm_private_output));
 405                 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
 406
 407                 private_output->stamp = tdm_helper_get_time();
 408                 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
 409                         private_output->stamp++;
 410
 411                 LIST_ADDTAIL(&private_output->link, &private_display->output_list);
 412
 413                 private_output->private_display = private_display;
 414                 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
 415                 private_output->output_backend = output_backend;
 416                 private_output->pipe = pipe;
 417                 private_output->index = pipe;
 418
 419                 LIST_INITHEAD(&private_output->layer_list);
 420                 LIST_INITHEAD(&private_output->hwc_window_list);
 421                 LIST_INITHEAD(&private_output->capture_list);
 422                 LIST_INITHEAD(&private_output->vblank_handler_list);
 423                 LIST_INITHEAD(&private_output->output_commit_handler_list);
 424                 LIST_INITHEAD(&private_output->layer_commit_handler_list);
 425                 LIST_INITHEAD(&private_output->pending_commit_handler_list);
 426                 LIST_INITHEAD(&private_output->change_handler_list_main);
 427                 LIST_INITHEAD(&private_output->change_handler_list_sub);
 428
 429                 if (func_output->output_set_status_handler) {
 430                         func_output->output_set_status_handler(private_output->output_backend,
 431                                                                                                    tdm_output_cb_status,
 432                                                                                                    private_output);
 433                         private_output->regist_change_cb = 1;
 434                 }
 435
 436                 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
 437                                                                                           &private_output->caps);
 438                 if (ret != TDM_ERROR_NONE)
 439                         return ret;
 440         } else {
 441                 tdm_caps_output new_caps;
 442
 443                 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
 444                                                                                           &new_caps);
 445                 if (ret != TDM_ERROR_NONE)
 446                         return ret;
 447
 448                 /* FIXME: This is very ugly. need to fix after the TDM ABI is changed. */
 449                 if (private_output->caps.status != new_caps.status) {
 450                         _tdm_display_destroy_caps_output(&private_output->caps);
 451                         private_output->caps = new_caps;
 452                         private_output->current_mode = NULL;
 453                 } else {
 454                         tdm_output_mode *old_modes = private_output->caps.modes;
 455                         unsigned int old_mode_count = private_output->caps.mode_count;
 456                         if (new_caps.modes)
 457                                 free(new_caps.modes);
 458                         new_caps.modes = old_modes;
 459                         new_caps.mode_count = old_mode_count;
 460                         if (private_output->caps.props)
 461                                 free(private_output->caps.props);
 462                         private_output->caps = new_caps;
 463                 }
 464         }
 465
 466         layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
 467         if (ret != TDM_ERROR_NONE)
 468                 goto failed_update;
 469
 470         for (i = 0; i < layer_count; i++) {
 471                 ret = _tdm_display_update_layer(private_display, private_output, layers[i], i);
 472                 if (ret != TDM_ERROR_NONE)
 473                         goto failed_update;
 474         }
 475
 476         free(layers);
 477
 478         return TDM_ERROR_NONE;
 479 failed_update:
 480         _tdm_display_destroy_private_output(private_output);
 481         free(layers);
 482         return ret;
 483 }
 484
 485 static tdm_output **
 486 _tdm_display_set_main_first(tdm_output **outputs, int index)
 487 {
 488         tdm_output *output_tmp = NULL;
 489
 490         if (index == 0)
 491                 return outputs;
 492
 493         output_tmp = outputs[0];
 494         outputs[0] = outputs[index];
 495         outputs[index] = output_tmp;
 496
 497         return outputs;
 498 }
 499
 500 static tdm_output **
 501 _tdm_display_get_ordered_outputs(tdm_private_display *private_display, int *count)
 502 {
 503         tdm_func_display *func_display = &private_display->func_display;
 504         tdm_output **outputs = NULL;
 505         tdm_output **new_outputs = NULL;
 506         tdm_output *output_dsi = NULL;
 507         tdm_output *output_lvds = NULL;
 508         tdm_output *output_hdmia = NULL;
 509         tdm_output *output_hdmib = NULL;
 510         int i, output_count = 0, output_connected_count = 0;
 511         int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
 512         tdm_error ret;
 513
 514         /* don't change list order if not init time */
 515         if (private_display->outputs)
 516                 return private_display->outputs;
 517
 518         outputs = func_display->display_get_outputs(private_display->bdata, &output_count, &ret);
 519         if (ret != TDM_ERROR_NONE)
 520                 goto failed_get_outputs;
 521
 522         *count = output_count;
 523
 524         if (output_count == 0)
 525                 goto failed_get_outputs;
 526         else if (output_count == 1) {
 527                 private_display->outputs = outputs;
 528                 return outputs;
 529         }
 530
 531         /* count connected outputs */
 532         for (i = 0; i < output_count; i++) {
 533                 tdm_func_output *func_output = &private_display->func_output;
 534                 tdm_caps_output caps;
 535                 memset(&caps, 0, sizeof(tdm_caps_output));
 536
 537                 if (!func_output->output_get_capability) {
 538                         TDM_ERR("no output_get_capability()");
 539                         goto failed_get_outputs;
 540                 }
 541
 542                 ret = func_output->output_get_capability(outputs[i], &caps);
 543                 if (ret != TDM_ERROR_NONE) {
 544                         TDM_ERR("output_get_capability() failed");
 545                         goto failed_get_outputs;
 546                 }
 547
 548                 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
 549                         output_connected_count++;
 550
 551                         switch (caps.type) {
 552                         case TDM_OUTPUT_TYPE_DSI:
 553                                 output_dsi = outputs[i];
 554                                 index_dsi = i;
 555                                 break;
 556                         case TDM_OUTPUT_TYPE_LVDS:
 557                                 output_lvds = outputs[i];
 558                                 index_lvds = i;
 559                                 break;
 560                         case TDM_OUTPUT_TYPE_HDMIA:
 561                                 output_hdmia = outputs[i];
 562                                 index_hdmia = i;
 563                                 break;
 564                         case TDM_OUTPUT_TYPE_HDMIB:
 565                                 output_hdmib = outputs[i];
 566                                 index_hdmib = i;
 567                                 break;
 568                         default:
 569                                 break;
 570                         }
 571                 }
 572
 573                 _tdm_display_destroy_caps_output(&caps);
 574         }
 575
 576         /* ordering : main output is first */
 577         /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
 578           * But hdmi is possible, so set hdmi to main display.
 579           * If connected only one output, it is main output.
 580           * If connected outputs over 2, has priority like below.
 581           * (dsi > lvds > hdmi > else)
 582           */
 583         if (output_connected_count == 0) {
 584                 /* hdmi > dsi > lvds > else */
 585                 if (output_hdmia != NULL)
 586                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
 587                 else if (output_hdmib != NULL)
 588                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
 589                 else if (output_dsi != NULL)
 590                         new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
 591                 else if (output_lvds != NULL)
 592                         new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
 593                 else
 594                         new_outputs = outputs;
 595         } else { /* (output_connected_count > 1) */
 596                 /* dsi > lvds > hdmi > else */
 597                 if (output_dsi != NULL)
 598                         new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
 599                 else if (output_lvds != NULL)
 600                         new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
 601                 else if (output_hdmia != NULL)
 602                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
 603                 else if (output_hdmib != NULL)
 604                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
 605                 else
 606                         new_outputs = outputs;
 607         }
 608
 609         private_display->outputs = new_outputs;
 610
 611         return new_outputs;
 612
 613 failed_get_outputs:
 614         free(outputs);
 615         *count = 0;
 616         return NULL;
 617 }
 618
 619 static tdm_error
 620 _tdm_display_update_internal(tdm_private_display *private_display,
 621                                                          int only_display)
 622 {
 623         tdm_output **outputs = NULL;
 624         int output_count = 0, i;
 625         tdm_error ret = TDM_ERROR_NONE;
 626
 627         LIST_INITHEAD(&private_display->output_list);
 628         LIST_INITHEAD(&private_display->pp_list);
 629         LIST_INITHEAD(&private_display->capture_list);
 630
 631         if (!only_display) {
 632                 ret = _tdm_display_update_caps_pp(private_display, &private_display->caps_pp);
 633                 if (ret != TDM_ERROR_NONE)
 634                         goto failed_update;
 635
 636                 ret = _tdm_display_update_caps_capture(private_display,
 637                                                                                            &private_display->caps_capture);
 638                 if (ret != TDM_ERROR_NONE)
 639                         goto failed_update;
 640         }
 641
 642         outputs = _tdm_display_get_ordered_outputs(private_display, &output_count);
 643         if (!outputs)
 644                 goto failed_update;
 645
 646         for (i = 0; i < output_count; i++) {
 647                 ret = tdm_display_update_output(private_display, outputs[i], i);
 648                 if (ret != TDM_ERROR_NONE)
 649                         goto failed_update;
 650         }
 651
 652         return TDM_ERROR_NONE;
 653
 654 failed_update:
 655         _tdm_display_destroy_private_display(private_display);
 656         return ret;
 657 }
 658 /* LCOV_EXCL_STOP */
 659
 660 EXTERN tdm_error
 661 tdm_display_update(tdm_display *dpy)
 662 {
 663         tdm_private_display *private_display;
 664         tdm_error ret;
 665
 666         TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
 667         TDM_RETURN_VAL_IF_FAIL(tdm_display_is_valid(dpy), TDM_ERROR_INVALID_PARAMETER);
 668
 669         private_display = dpy;
 670         _pthread_mutex_lock(&private_display->lock);
 671
 672         ret = _tdm_display_update_internal(private_display, 1);
 673
 674         _pthread_mutex_unlock(&private_display->lock);
 675
 676         return ret;
 677 }
 678
 679 #define SUFFIX_MODULE    ".so"
 680 #define TDM_DEFAULT_MODULE   "libtdm-default"SUFFIX_MODULE
 681 #define TDM_DUMMY_MODULE     "libtdm-dummy"SUFFIX_MODULE
 682
 683 int tdm_debug_module;
 684 int tdm_debug_dump;
 685 int tdm_ttrace_module;
 686 int tdm_ttrace_output;
 687
 688 static tdm_private_display *g_private_display;
 689 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
 690
 691 /* LCOV_EXCL_START */
 692 static tdm_error
 693 _tdm_display_check_module(tdm_backend_module *module)
 694 {
 695         int major, minor;
 696
 697         TDM_INFO("TDM ABI version : %d.%d",
 698                          TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
 699
 700         if (!module->name) {
 701                 TDM_ERR("TDM backend doesn't have name");
 702                 return TDM_ERROR_BAD_MODULE;
 703         }
 704
 705         if (!module->vendor) {
 706                 TDM_ERR("TDM backend doesn't have vendor");
 707                 return TDM_ERROR_BAD_MODULE;
 708         }
 709
 710         major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
 711         minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
 712
 713         TDM_INFO("TDM module name: %s", module->name);
 714         TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
 715         TDM_INFO("'%s' version: %d.%d", module->name, major, minor);
 716
 717         if (major != TDM_MAJOR_VERSION) {
 718                 TDM_ERR("'%s' major version mismatch, %d != %d",
 719                                 module->name, major, TDM_MAJOR_VERSION);
 720                 return TDM_ERROR_BAD_MODULE;
 721         }
 722
 723         if (minor > TDM_MINOR_VERSION) {
 724                 TDM_ERR("'%s' minor version(%d) is newer than %d",
 725                                 module->name, minor, TDM_MINOR_VERSION);
 726                 return TDM_ERROR_BAD_MODULE;
 727         }
 728
 729         if (!module->init) {
 730                 TDM_ERR("'%s' doesn't have init function", module->name);
 731                 return TDM_ERROR_BAD_MODULE;
 732         }
 733
 734         if (!module->deinit) {
 735                 TDM_ERR("'%s' doesn't have deinit function", module->name);
 736                 return TDM_ERROR_BAD_MODULE;
 737         }
 738
 739         return TDM_ERROR_NONE;
 740 }
 741
 742 static tdm_error
 743 _tdm_display_check_backend_functions(tdm_private_display *private_display)
 744 {
 745         tdm_func_display *func_display = &private_display->func_display;
 746         tdm_func_output *func_output = &private_display->func_output;
 747         tdm_func_layer *func_layer = &private_display->func_layer;
 748         tdm_error ret;
 749
 750         /* below functions should be implemented in backend side */
 751
 752         TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
 753         TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
 754         TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
 755         TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
 756         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
 757
 758         ret = func_display->display_get_capability(private_display->bdata, &private_display->caps_display);
 759         if (ret != TDM_ERROR_NONE) {
 760                 TDM_ERR("display_get_capability() failed");
 761                 return TDM_ERROR_BAD_MODULE;
 762         }
 763
 764         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
 765                 tdm_func_pp *func_pp = &private_display->func_pp;
 766                 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
 767                 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
 768                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
 769                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
 770                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
 771         }
 772
 773         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
 774                 tdm_func_capture *func_capture = &private_display->func_capture;
 775                 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
 776                 if (private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT)
 777                         TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
 778                 if (private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_LAYER)
 779                         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
 780                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
 781                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
 782                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
 783         }
 784
 785         return TDM_ERROR_NONE;
 786 }
 787
 788 static tdm_error
 789 _tdm_display_load_module_with_file(tdm_private_display *private_display,
 790                                                                    const char *file)
 791 {
 792         char path[TDM_PATH_LEN] = {0,};
 793         tdm_backend_module *module_data;
 794         void *module;
 795         tdm_error ret;
 796         double stamp;
 797         int size;
 798
 799         size = snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
 800         if (size >= (int)sizeof(path)) {
 801                 TDM_WRN("too long: %s/%s", TDM_MODULE_PATH, file);
 802                 return TDM_ERROR_BAD_MODULE;
 803         };
 804
 805         stamp = tdm_helper_get_time();
 806
 807         TDM_TRACE_BEGIN("TDM_Load_Backend");
 808         module = dlopen(path, RTLD_LAZY);
 809         if (!module) {
 810                 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
 811                 TDM_TRACE_END();
 812                 return TDM_ERROR_BAD_MODULE;
 813         }
 814
 815         module_data = dlsym(module, "tdm_backend_module_data");
 816         if (!module_data) {
 817                 TDM_ERR("'%s' doesn't have data object", file);
 818                 ret = TDM_ERROR_BAD_MODULE;
 819                 TDM_TRACE_END();
 820                 goto failed_load;
 821         }
 822         TDM_TRACE_END();
 823
 824         TDM_DBG("dlopen, dlsym time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 825
 826         private_display->module_data = module_data;
 827         private_display->module = module;
 828
 829         /* check if version, init() and deinit() are valid or not */
 830         ret = _tdm_display_check_module(module_data);
 831         if (ret != TDM_ERROR_NONE)
 832                 goto failed_load;
 833
 834         /* We don't care if backend_data is NULL or not. It's up to backend. */
 835         TDM_TRACE_BEGIN("TDM_Init_Backend");
 836         stamp = tdm_helper_get_time();
 837         private_display->bdata = module_data->init((tdm_display *)private_display, &ret);
 838         TDM_DBG("backend init() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 839         TDM_TRACE_END();
 840
 841         if (ret != TDM_ERROR_NONE) {
 842                 TDM_ERR("failed to init '%s' module", module_data->name);
 843                 goto failed_load;
 844         }
 845
 846         ret = _tdm_display_check_backend_functions(private_display);
 847         if (ret != TDM_ERROR_NONE) {
 848                 module_data->deinit(private_display->bdata);
 849                 private_display->bdata = NULL;
 850                 goto failed_load;
 851         }
 852
 853         TDM_INFO("Success to load '%s' module", module_data->name);
 854
 855         return TDM_ERROR_NONE;
 856 failed_load:
 857         dlclose(module);
 858         private_display->module_data = NULL;
 859         private_display->module = NULL;
 860         return ret;
 861 }
 862
 863 static tdm_error
 864 _tdm_display_load_module(tdm_private_display *private_display)
 865 {
 866         const char *module_name;
 867         struct dirent **namelist;
 868         int n, len;
 869         tdm_error ret = 0;
 870
 871         module_name = getenv("TDM_MODULE");
 872         if (!module_name)
 873                 module_name = TDM_DEFAULT_MODULE;
 874
 875         len = strlen(module_name);
 876         if (len > TDM_NAME_LEN - 1) {
 877                 TDM_ERR("TDM_MODULE is too long\n");
 878                 return TDM_ERROR_OPERATION_FAILED;
 879         }
 880
 881         /* load bufmgr priv from default lib */
 882         ret = _tdm_display_load_module_with_file(private_display, module_name);
 883         if (ret == TDM_ERROR_NONE)
 884                 return TDM_ERROR_NONE;
 885
 886         /* load bufmgr priv from dummy lib */
 887         ret = _tdm_display_load_module_with_file(private_display, TDM_DUMMY_MODULE);
 888         if (ret == TDM_ERROR_NONE)
 889                 return TDM_ERROR_NONE;
 890
 891         /* load bufmgr priv from configured path */
 892         n = scandir(TDM_MODULE_PATH, &namelist, 0, alphasort);
 893         if (n < 0) {
 894                 TDM_ERR("no module in '%s'\n", TDM_MODULE_PATH);
 895                 return TDM_ERROR_BAD_MODULE;
 896         }
 897
 898         ret = TDM_ERROR_BAD_MODULE;
 899         while (n--) {
 900                 if (ret < 0 && strstr(namelist[n]->d_name, SUFFIX_MODULE))
 901                         ret = _tdm_display_load_module_with_file(private_display, namelist[n]->d_name);
 902
 903                 free(namelist[n]);
 904         }
 905         free(namelist);
 906
 907         return ret;
 908 }
 909
 910 static void
 911 _tdm_display_unload_module(tdm_private_display *private_display)
 912 {
 913         if (private_display->module_data)
 914                 private_display->module_data->deinit(private_display->bdata);
 915         if (private_display->module)
 916                 dlclose(private_display->module);
 917
 918         private_display->bdata = NULL;
 919         private_display->module_data = NULL;
 920         private_display->module = NULL;
 921 }
 922 /* LCOV_EXCL_STOP */
 923
 924 EXTERN tdm_display *
 925 tdm_display_init(tdm_error *error)
 926 {
 927         tdm_private_display *private_display = NULL;
 928         const char *str;
 929         tdm_error ret;
 930         double stamp1, stamp2, start;
 931
 932         pthread_mutex_lock(&gLock);
 933
 934         if (g_private_display) {
 935                 g_private_display->init_count++;
 936                 pthread_mutex_unlock(&gLock);
 937                 if (error)
 938                         *error = TDM_ERROR_NONE;
 939                 return g_private_display;
 940         }
 941
 942         start = stamp1 = tdm_helper_get_time();
 943
 944         private_display = calloc(1, sizeof(tdm_private_display));
 945         if (!private_display) {
 946                 /* LCOV_EXCL_START */
 947                 ret = TDM_ERROR_OUT_OF_MEMORY;
 948                 TDM_ERR("'private_display != NULL' failed");
 949                 goto failed_alloc;
 950                 /* LCOV_EXCL_STOP */
 951         }
 952
 953         str = getenv("TDM_DEBUG_MODULE");
 954         if (str)
 955                 tdm_display_enable_debug_module(str);
 956
 957         str = getenv("TDM_DEBUG_DUMP");
 958         if (str)
 959                 tdm_display_enable_dump(private_display, str, NULL, NULL);
 960
 961         str = getenv("TDM_DEBUG_PATH");
 962         if (str)
 963                 tdm_display_enable_path(str);
 964
 965         if (pthread_mutex_init(&private_display->lock, NULL)) {
 966                 /* LCOV_EXCL_START */
 967                 ret = TDM_ERROR_OPERATION_FAILED;
 968                 TDM_ERR("mutex init failed: %m");
 969                 goto failed_mutex_init;
 970                 /* LCOV_EXCL_STOP */
 971         }
 972
 973         _pthread_mutex_lock(&private_display->lock);
 974
 975         stamp2 = tdm_helper_get_time();
 976         TDM_DBG("prepare init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 977         stamp1 = stamp2;
 978
 979         ret = tdm_vblank_init(private_display);
 980         if (ret != TDM_ERROR_NONE)
 981                 goto failed_vblank;
 982
 983         ret = tdm_event_loop_init(private_display);
 984         if (ret != TDM_ERROR_NONE)
 985                 goto failed_event;
 986
 987         stamp2 = tdm_helper_get_time();
 988         TDM_DBG("creating event loop time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 989         stamp1 = stamp2;
 990
 991         ret = _tdm_display_load_module(private_display);
 992         if (ret != TDM_ERROR_NONE)
 993                 goto failed_load;
 994
 995         stamp2 = tdm_helper_get_time();
 996         TDM_DBG("loading backend time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 997         stamp1 = stamp2;
 998
 999 #ifdef INIT_BUFMGR
1000         int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
1001         if (tdm_drm_fd >= 0) {
1002                 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
1003                 close(tdm_drm_fd);
1004                 if (!private_display->bufmgr) {
1005                         TDM_ERR("tbm_bufmgr_init failed");
1006                         goto failed_update;
1007                 } else {
1008                         TDM_INFO("tbm_bufmgr_init successed");
1009                 }
1010
1011                 stamp2 = tdm_helper_get_time();
1012                 TDM_DBG("initializing bufmgr time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1013                 stamp1 = stamp2;
1014         }
1015 #endif
1016
1017         TDM_TRACE_BEGIN("TDM_Update_Display");
1018         ret = _tdm_display_update_internal(private_display, 0);
1019         TDM_TRACE_END();
1020         if (ret != TDM_ERROR_NONE)
1021                 goto failed_update;
1022
1023         stamp2 = tdm_helper_get_time();
1024         TDM_DBG("updating display time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1025         stamp1 = stamp2;
1026
1027         tdm_event_loop_create_backend_source(private_display);
1028
1029         private_display->init_count = 1;
1030         g_private_display = private_display;
1031
1032         tdm_private_output *o = NULL;
1033         LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1034                 if (o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1035                         tdm_output_need_validate_event_init(o);
1036         }
1037
1038         /* the COMMIT_PER_VBLANK functionality is ability of an output to support
1039          * several operational modes (commit_per_vblank modes) related to tdm_commit;
1040          * this functionality can be turned off which means a default mode */
1041         str = getenv("TDM_COMMIT_PER_VBLANK");
1042         if (str) {
1043                 tdm_private_output *o = NULL;
1044                 char *end;
1045                 int mode = strtol(str, &end, 10);
1046
1047                 /* outputs which support hwc capability can work only
1048                  * if commit_per_vblank mode is '0' (default mode) */
1049                 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link)
1050                         if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
1051                                 tdm_output_choose_commit_per_vblank_mode(o, mode);
1052         }
1053
1054         if (error)
1055                 *error = TDM_ERROR_NONE;
1056
1057         _pthread_mutex_unlock(&private_display->lock);
1058         pthread_mutex_unlock(&gLock);
1059
1060         TDM_INFO("init time: %.3f ms", (tdm_helper_get_time() - start) * 1000.0);
1061
1062         return (tdm_display *)private_display;
1063
1064 /* LCOV_EXCL_START */
1065 failed_update:
1066         _tdm_display_unload_module(private_display);
1067 failed_load:
1068         tdm_event_loop_stop(private_display);
1069         tdm_event_loop_deinit(private_display);
1070 failed_event:
1071         tdm_vblank_deinit(private_display);
1072 failed_vblank:
1073         _pthread_mutex_unlock(&private_display->lock);
1074         pthread_mutex_destroy(&private_display->lock);
1075 failed_mutex_init:
1076         free(private_display);
1077 failed_alloc:
1078         if (error)
1079                 *error = ret;
1080         pthread_mutex_unlock(&gLock);
1081         return NULL;
1082 /* LCOV_EXCL_STOP */
1083 }
1084
1085 EXTERN void
1086 tdm_display_deinit(tdm_display *dpy)
1087 {
1088         tdm_private_display *private_display = dpy;
1089
1090         if (!private_display)
1091                 return;
1092
1093         TDM_RETURN_IF_FAIL(tdm_display_is_valid(dpy));
1094
1095         pthread_mutex_lock(&gLock);
1096
1097         private_display->init_count--;
1098         if (private_display->init_count > 0) {
1099                 pthread_mutex_unlock(&gLock);
1100                 return;
1101         }
1102
1103         /* dont move the position of lock/unlock. all resource should be protected
1104          * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1105          * things because it's finalized.
1106          */
1107         _pthread_mutex_lock(&private_display->lock);
1108         tdm_event_loop_stop(private_display);
1109         _tdm_display_destroy_private_display(private_display);
1110         _tdm_display_unload_module(private_display);
1111         _pthread_mutex_unlock(&private_display->lock);
1112
1113         tdm_event_loop_deinit(private_display);
1114         tdm_vblank_deinit(private_display);
1115
1116 #ifdef INIT_BUFMGR
1117         if (private_display->bufmgr)
1118                 tbm_bufmgr_deinit(private_display->bufmgr);
1119 #endif
1120
1121         tbm_drm_helper_unset_tbm_master_fd();
1122
1123         pthread_mutex_destroy(&private_display->lock);
1124         free(private_display);
1125         g_private_display = NULL;
1126
1127         if (tdm_debug_dump_dir) {
1128                 free(tdm_debug_dump_dir);
1129                 tdm_debug_dump_dir = NULL;
1130         }
1131
1132         pthread_mutex_unlock(&gLock);
1133
1134         TDM_INFO("done");
1135 }
1136
1137 INTERN int
1138 tdm_display_is_valid(tdm_display *dpy)
1139 {
1140         if (dpy != NULL && dpy == g_private_display)
1141                 return 1;
1142         return 0;
1143 }
1144
1145 INTERN int
1146 tdm_output_is_valid(tdm_output *output)
1147 {
1148         tdm_private_output *o = NULL, *private_output = output;
1149         if (output && g_private_display)
1150                 LIST_FOR_EACH_ENTRY(o, &g_private_display->output_list, link)
1151                         if (o == private_output)
1152                                 return 1;
1153         return 0;
1154 }
1155
1156 /* LCOV_EXCL_START */
1157 INTERN int
1158 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin)
1159 {
1160         tdm_backend_module *module = private_display->module_data;
1161
1162         if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
1163                 return 0;
1164
1165         if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)
1166                 return 0;
1167
1168         return 1;
1169 }
1170
1171 INTERN tdm_error
1172 tdm_display_enable_debug_module(const char*modules)
1173 {
1174         char temp[TDM_PATH_LEN];
1175         char *arg;
1176         char *end;
1177
1178         snprintf(temp, TDM_PATH_LEN, "%s", modules);
1179
1180         tdm_debug_module = 0;
1181
1182         arg = strtok_r(temp, TDM_DELIM, &end);
1183         while (arg) {
1184                 if (!strncmp(arg, "none", 4)) {
1185                         tdm_debug_module = 0;
1186                         return TDM_ERROR_NONE;
1187                 }
1188                 if (!strncmp(arg, "all", 3)) {
1189                         tdm_debug_module = 0xFFFFFFFF;
1190                         return TDM_ERROR_NONE;
1191                 }
1192                 if (!strncmp(arg, "buffer", 6))
1193                         tdm_debug_module |= TDM_DEBUG_BUFFER;
1194                 else if (!strncmp(arg, "thread", 6))
1195                         tdm_debug_module |= TDM_DEBUG_THREAD;
1196                 else if (!strncmp(arg, "mutex", 5))
1197                         tdm_debug_module |= TDM_DEBUG_MUTEX;
1198                 else if (!strncmp(arg, "vblank", 6))
1199                         tdm_debug_module |= TDM_DEBUG_VBLANK;
1200                 else if (!strncmp(arg, "commit", 6))
1201                         tdm_debug_module |= TDM_DEBUG_COMMIT;
1202
1203                 arg = strtok_r(NULL, TDM_DELIM, &end);
1204         }
1205
1206         TDM_INFO("module debugging... '%s'", modules);
1207
1208         return TDM_ERROR_NONE;
1209 }
1210
1211 INTERN tdm_error
1212 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len)
1213 {
1214         char temp[TDM_PATH_LEN] = {0,}, temp2[TDM_PATH_LEN] = {0,};
1215         char *path = NULL, *path2;
1216         char *arg;
1217         char *end;
1218
1219         snprintf(temp2, TDM_PATH_LEN, "%s", dump_str);
1220         path2 = strtostr(temp, TDM_PATH_LEN, temp2, "@");
1221         if (!path2 || path2[0] == '\0')
1222                 path2 = TDM_DUMP_DIR;
1223         else
1224                 path2++;
1225
1226         tdm_debug_dump = 0;
1227
1228         snprintf(temp, sizeof(temp), "%s", dump_str);
1229         arg = strtok_r(temp, ",", &end);
1230         TDM_GOTO_IF_FAIL(arg != NULL, done);
1231
1232         if (!strncmp(arg, "none", 4)) {
1233                 tdm_debug_dump = 0;
1234                 TDM_SNPRINTF(reply, len, "path: %s\n", (tdm_debug_dump_dir) ? : "unknown");
1235                 if (tdm_debug_dump_dir) {
1236                         free(tdm_debug_dump_dir);
1237                         tdm_debug_dump_dir = NULL;
1238                 }
1239                 goto done;
1240         }
1241
1242         path = tdm_helper_dump_make_directory(path2, reply, len);
1243         TDM_GOTO_IF_FAIL(path != NULL, done);
1244
1245         if (!strncmp(arg, "current", 7)) {
1246                 tdm_private_output *o = NULL;
1247                 if (!private_display) {
1248                         TDM_WRN("no private_display");
1249                         goto done;
1250                 }
1251
1252                 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1253                         tdm_private_layer *l = NULL;
1254                         LIST_FOR_EACH_ENTRY(l, &o->layer_list, link) {
1255                                 char str[TDM_PATH_LEN];
1256                                 if (l->usable || l->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)
1257                                         continue;
1258                                 if (!l->showing_buffer)
1259                                         continue;
1260                                 snprintf(str, TDM_PATH_LEN, "layer_%d_%d", o->index, l->index);
1261                                 tdm_helper_dump_buffer_str(l->showing_buffer->buffer, path, str);
1262                         }
1263                 }
1264
1265                 TDM_SNPRINTF(reply, len, "path: %s\n", path);
1266                 goto done;
1267         }
1268
1269         TDM_SNPRINTF(reply, len, "dump: %s\n", arg);
1270
1271         while (arg) {
1272                 if (!strncmp(arg, "all", 3)) {
1273                         tdm_debug_dump = 0xFFFFFFFF;
1274                         goto done;
1275                 } else if (!strncmp(arg, "layer", 5)) {
1276                         tdm_debug_dump |= TDM_DUMP_FLAG_LAYER;
1277                 } else if (!strncmp(arg, "pp", 2)) {
1278                         tdm_debug_dump |= TDM_DUMP_FLAG_PP;
1279                 } else if (!strncmp(arg, "capture", 7)) {
1280                         tdm_debug_dump |= TDM_DUMP_FLAG_CAPTURE;
1281                 } else if (!strncmp(arg, "window", 6)) {
1282                         tdm_debug_dump |= TDM_DUMP_FLAG_WINDOW;
1283                 } else
1284                         goto done;
1285
1286                 arg = strtok_r(NULL, ",", &end);
1287         }
1288
1289         if (tdm_debug_dump_dir)
1290                 free(tdm_debug_dump_dir);
1291
1292         tdm_debug_dump_dir = strndup(path, TDM_PATH_LEN);
1293
1294         TDM_INFO("dump... '%s'", dump_str);
1295
1296 done:
1297         if (path)
1298                 free(path);
1299
1300         return TDM_ERROR_NONE;
1301 }
1302
1303 INTERN tdm_error
1304 tdm_display_enable_path(const char *path)
1305 {
1306         static int old_stdout = -1;
1307         char fd_name[TDM_PATH_LEN];
1308         int  log_fd = -1;
1309         FILE *log_fl;
1310
1311         if (old_stdout == -1)
1312                 old_stdout = dup(STDOUT_FILENO);
1313
1314         tdm_log_enable_dlog(0);
1315
1316         snprintf(fd_name, TDM_PATH_LEN, "%s", path);
1317
1318         log_fl = fopen(fd_name, "a");
1319         if (!log_fl) {
1320                 TDM_ERR("failed: open file(%s)\n", fd_name);
1321                 return TDM_ERROR_OPERATION_FAILED;
1322         }
1323
1324         fflush(stderr);
1325         close(STDOUT_FILENO);
1326
1327         setvbuf(log_fl, NULL, _IOLBF, 512);
1328         log_fd = fileno(log_fl);
1329
1330         dup2(log_fd, STDOUT_FILENO);
1331         fclose(log_fl);
1332
1333         return TDM_ERROR_NONE;
1334 }
1335
1336 static void
1337 _tdm_display_ttrace_vblank_cb(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
1338                                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
1339 {
1340         tdm_error ret = TDM_ERROR_NONE;
1341
1342         TDM_TRACE_MARK("VSYNC");
1343
1344         ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1345         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1346 }
1347
1348 INTERN tdm_error
1349 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable)
1350 {
1351         tdm_private_display *private_display = dpy;
1352         tdm_private_output *private_output = NULL;
1353         const tdm_output_mode *mode = NULL;
1354         tdm_vblank *vblank = NULL;
1355         tdm_error ret = TDM_ERROR_NONE;
1356
1357         if (!enable) {
1358                 LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
1359                         if (private_output->ttrace_vblank)
1360                                 tdm_vblank_destroy(private_output->ttrace_vblank);
1361                         private_output->ttrace_vblank = NULL;
1362                 }
1363                 return TDM_ERROR_NONE;
1364         }
1365
1366         private_output = output;
1367         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1368
1369         if (private_output->ttrace_vblank)
1370                 return TDM_ERROR_NONE;
1371
1372         vblank = tdm_vblank_create(private_display, output, &ret);
1373         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, ret);
1374
1375         ret = tdm_output_get_mode(output, &mode);
1376         TDM_GOTO_IF_FAIL(mode != NULL, enable_fail);
1377
1378         ret = tdm_vblank_set_fps(vblank, mode->vrefresh);
1379         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1380
1381         ret = tdm_vblank_set_enable_fake(vblank, 1);
1382         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1383
1384         ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1385         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1386
1387         private_output->ttrace_vblank = vblank;
1388
1389         return TDM_ERROR_NONE;
1390
1391 enable_fail:
1392         if (vblank)
1393                 tdm_vblank_destroy(vblank);
1394
1395         return ret;
1396 }
1397
1398 INTERN tdm_error
1399 tdm_display_enable_ttrace(tdm_private_display *private_display, const char *ttrace, int output_id, char *reply, int *len)
1400 {
1401         char temp[TDM_PATH_LEN];
1402         char *arg;
1403         char *end;
1404         tdm_output *output;
1405         tdm_error ret;
1406         tdm_output_type type;
1407
1408         snprintf(temp, TDM_PATH_LEN, "%s", ttrace);
1409
1410         tdm_ttrace_output = output_id;
1411         tdm_ttrace_module = 0;
1412
1413         output = tdm_display_get_output(private_display, output_id, &ret);
1414         if (!output) {
1415                 TDM_SNPRINTF(reply, len, "can't find the output_id(%d)\n", output_id);
1416                 return ret;
1417         }
1418
1419         ret = tdm_output_get_output_type(output, &type);
1420         if (ret != TDM_ERROR_NONE) {
1421                 TDM_SNPRINTF(reply, len, "can't find the type of output_id(%d)\n", output_id);
1422                 return ret;
1423         }
1424
1425         arg = strtok_r(temp, TDM_DELIM, &end);
1426         while (arg) {
1427                 if (!strncmp(arg, "none", 4))
1428                         tdm_ttrace_module = 0;
1429                 else if (!strncmp(arg, "all", 3))
1430                         tdm_ttrace_module = 0xFFFFFFFF;
1431                 else if (!strncmp(arg, "vsync", 5))
1432                         tdm_ttrace_module |= TDM_TTRACE_VSYNC;
1433                 else if (!strncmp(arg, "client_vblank", 13))
1434                         tdm_ttrace_module |= TDM_TTRACE_CLIENT_VBLANK;
1435                 else if (!strncmp(arg, "server_vblank", 13))
1436                         tdm_ttrace_module |= TDM_TTRACE_SERVER_VBLANK;
1437                 else if (!strncmp(arg, "vblank", 6))
1438                         tdm_ttrace_module |= TDM_TTRACE_VBLANK;
1439                 else if (!strncmp(arg, "layer", 5))
1440                         tdm_ttrace_module |= TDM_TTRACE_LAYER;
1441                 else if (!strncmp(arg, "pp", 2))
1442                         tdm_ttrace_module |= TDM_TTRACE_PP;
1443                 else if (!strncmp(arg, "capture", 7))
1444                         tdm_ttrace_module |= TDM_TTRACE_CAPTURE;
1445                 else  {
1446                         tdm_ttrace_module = 0;
1447                         tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
1448                         tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
1449                         TDM_SNPRINTF(reply, len, "unknown option: '%s'\n", arg);
1450                         return TDM_ERROR_NONE;
1451                 }
1452
1453                 arg = strtok_r(NULL, TDM_DELIM, &end);
1454         }
1455
1456         TDM_SNPRINTF(reply, len, "ttrace debugging... '%s' %x\n", ttrace, tdm_ttrace_module);
1457
1458         if (tdm_ttrace_module & TDM_TTRACE_VSYNC)
1459                 tdm_display_enable_ttrace_vblank(private_display, output, 1);
1460         else
1461                 tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
1462
1463         if (tdm_ttrace_module & TDM_TTRACE_CLIENT_VBLANK)
1464                 tdm_server_enable_ttrace_client_vblank(private_display, output, 1);
1465         else
1466                 tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
1467
1468         return TDM_ERROR_NONE;
1469 }
1470
1471 INTERN tdm_error
1472 tdm_display_enable_fps(tdm_private_display *private_display, int enable)
1473 {
1474         private_display->print_fps = enable;
1475
1476         TDM_INFO("print fps: %s", (enable) ? "enable" : "disable");
1477
1478         return TDM_ERROR_NONE;
1479 }
1480 /* LCOV_EXCL_STOP */