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