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