src/tdm.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <sc1.lim@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include "tdm_private.h"
  41
  42 pthread_mutex_t tdm_mutex_check_lock = PTHREAD_MUTEX_INITIALIZER;
  43 int tdm_mutex_locked;
  44 const char *tdm_mutex_lock_func;
  45 int tdm_mutex_lock_line;
  46 const char *tdm_mutex_unlock_func;
  47 int tdm_mutex_unlock_line;
  48
  49 /* LCOV_EXCL_START */
  50 static tdm_private_layer *
  51 _tdm_display_find_private_layer(tdm_private_output *private_output,
  52                                                                 tdm_layer *layer_backend)
  53 {
  54         tdm_private_layer *private_layer = NULL;
  55
  56         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
  57                 if (private_layer->layer_backend == layer_backend)
  58                         return private_layer;
  59         }
  60
  61         return NULL;
  62 }
  63
  64 static tdm_private_output *
  65 _tdm_display_find_private_output(tdm_private_display *private_display,
  66                                                                  tdm_output *output_backend)
  67 {
  68         tdm_private_output *private_output = NULL;
  69
  70         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
  71                 if (private_output->output_backend == output_backend)
  72                         return private_output;
  73         }
  74
  75         return NULL;
  76 }
  77
  78 INTERN tdm_private_output *
  79 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp)
  80 {
  81         tdm_private_output *private_output = NULL;
  82
  83         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
  84                 if (private_output->stamp == stamp)
  85                         return private_output;
  86         }
  87
  88         return NULL;
  89 }
  90
  91 static void
  92 _tdm_display_destroy_caps_pp(tdm_caps_pp *caps_pp)
  93 {
  94         if (caps_pp->formats)
  95                 free(caps_pp->formats);
  96
  97         memset(caps_pp, 0, sizeof(tdm_caps_pp));
  98 }
  99
 100 static void
 101 _tdm_display_destroy_caps_capture(tdm_caps_capture *caps_capture)
 102 {
 103         if (caps_capture->formats)
 104                 free(caps_capture->formats);
 105
 106         memset(caps_capture, 0, sizeof(tdm_caps_capture));
 107 }
 108
 109 static void
 110 _tdm_display_destroy_caps_layer(tdm_caps_layer *caps_layer)
 111 {
 112         if (caps_layer->formats)
 113                 free(caps_layer->formats);
 114
 115         if (caps_layer->props)
 116                 free(caps_layer->props);
 117
 118         memset(caps_layer, 0, sizeof(tdm_caps_layer));
 119 }
 120
 121 static void
 122 _tdm_display_destroy_caps_output(tdm_caps_output *caps_output)
 123 {
 124         if (caps_output->modes)
 125                 free(caps_output->modes);
 126
 127         if (caps_output->props)
 128                 free(caps_output->props);
 129
 130         memset(caps_output, 0, sizeof(tdm_caps_output));
 131 }
 132
 133 static void
 134 _tdm_display_destroy_private_layer(tdm_private_layer *private_layer)
 135 {
 136         tdm_private_capture *c = NULL, *cc = NULL;
 137
 138         LIST_DEL(&private_layer->link);
 139
 140         tdm_layer_unset_buffer_internal(private_layer);
 141
 142         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_layer->capture_list, link)
 143         tdm_capture_destroy_internal(c);
 144
 145         _tdm_display_destroy_caps_layer(&private_layer->caps);
 146
 147         free(private_layer);
 148 }
 149
 150 static void
 151 _tdm_display_destroy_private_output(tdm_private_output *private_output)
 152 {
 153         tdm_private_display *private_display = private_output->private_display;
 154         tdm_private_layer *l = NULL, *ll = NULL;
 155         tdm_private_hwc_window *hw = NULL, *hww = NULL;
 156         tdm_private_capture *c = NULL, *cc = NULL;
 157         tdm_private_vblank_handler *v = NULL, *vv = NULL;
 158         tdm_private_output_commit_handler *om = NULL, *omm = NULL;
 159         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 160         tdm_private_output_change_handler *h = NULL, *hh = NULL;
 161
 162         LIST_DEL(&private_output->link);
 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_main, link) {
 190                 LIST_DEL(&h->link);
 191                 free(h);
 192         }
 193
 194         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_sub, link) {
 195                 LIST_DEL(&h->link);
 196                 free(h);
 197         }
 198
 199         if (private_output->vblank) {
 200                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 201                 _pthread_mutex_unlock(&private_display->lock);
 202                 tdm_vblank_destroy(private_output->vblank);
 203                 _pthread_mutex_lock(&private_display->lock);
 204         }
 205
 206         if (private_output->ttrace_vblank) {
 207                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 208                 _pthread_mutex_unlock(&private_display->lock);
 209                 tdm_vblank_destroy(private_output->ttrace_vblank);
 210                 _pthread_mutex_lock(&private_display->lock);
 211         }
 212
 213         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_output->capture_list, link)
 214         tdm_capture_destroy_internal(c);
 215
 216         LIST_FOR_EACH_ENTRY_SAFE(hw, hww, &private_output->hwc_window_list, link)
 217         tdm_hwc_window_destroy_internal(hw);
 218
 219         LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
 220         _tdm_display_destroy_private_layer(l);
 221
 222         _tdm_display_destroy_caps_output(&private_output->caps);
 223
 224         if (private_output->dpms_changed_timer)
 225                 tdm_event_loop_source_remove(private_output->dpms_changed_timer);
 226
 227         tdm_event_loop_source_remove(private_output->need_validate.event_source);
 228         close(private_output->need_validate.event_fd);
 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_main);
 429                 LIST_INITHEAD(&private_output->change_handler_list_sub);
 430
 431                 if (func_output->output_set_status_handler) {
 432                         func_output->output_set_status_handler(private_output->output_backend,
 433                                                                                                    tdm_output_cb_status,
 434                                                                                                    private_output);
 435                         private_output->regist_change_cb = 1;
 436                 }
 437
 438                 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
 439                                                                                           &private_output->caps);
 440                 if (ret != TDM_ERROR_NONE)
 441                         return ret;
 442         } else {
 443                 tdm_caps_output new_caps;
 444
 445                 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
 446                                                                                           &new_caps);
 447                 if (ret != TDM_ERROR_NONE)
 448                         return ret;
 449
 450                 /* FIXME: This is very ugly. need to fix after the TDM ABI is changed. */
 451                 if (private_output->caps.status != new_caps.status) {
 452                         _tdm_display_destroy_caps_output(&private_output->caps);
 453                         private_output->caps = new_caps;
 454                         private_output->current_mode = NULL;
 455                 } else {
 456                         tdm_output_mode *old_modes = private_output->caps.modes;
 457                         unsigned int old_mode_count = private_output->caps.mode_count;
 458                         if (new_caps.modes)
 459                                 free(new_caps.modes);
 460                         new_caps.modes = old_modes;
 461                         new_caps.mode_count = old_mode_count;
 462                         if (private_output->caps.props)
 463                                 free(private_output->caps.props);
 464                         private_output->caps = new_caps;
 465                 }
 466         }
 467
 468         layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
 469         if (ret != TDM_ERROR_NONE)
 470                 goto failed_update;
 471
 472         for (i = 0; i < layer_count; i++) {
 473                 ret = _tdm_display_update_layer(private_display, private_output, layers[i], i);
 474                 if (ret != TDM_ERROR_NONE)
 475                         goto failed_update;
 476         }
 477
 478         free(layers);
 479
 480         return TDM_ERROR_NONE;
 481 failed_update:
 482         _tdm_display_destroy_private_output(private_output);
 483         free(layers);
 484         return ret;
 485 }
 486
 487 static tdm_output **
 488 _tdm_display_set_main_first(tdm_output **outputs, int index)
 489 {
 490         tdm_output *output_tmp = NULL;
 491
 492         if (index == 0)
 493                 return outputs;
 494
 495         output_tmp = outputs[0];
 496         outputs[0] = outputs[index];
 497         outputs[index] = output_tmp;
 498
 499         return outputs;
 500 }
 501
 502 static tdm_output **
 503 _tdm_display_get_ordered_outputs(tdm_private_display *private_display, int *count)
 504 {
 505         tdm_func_display *func_display = &private_display->func_display;
 506         tdm_output **outputs = NULL;
 507         tdm_output **new_outputs = NULL;
 508         tdm_output *output_dsi = NULL;
 509         tdm_output *output_lvds = NULL;
 510         tdm_output *output_hdmia = NULL;
 511         tdm_output *output_hdmib = NULL;
 512         int i, output_count = 0, output_connected_count = 0;
 513         int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
 514         tdm_error ret;
 515
 516         /* don't change list order if not init time */
 517         if (private_display->outputs)
 518                 return private_display->outputs;
 519
 520         outputs = func_display->display_get_outputs(private_display->bdata, &output_count, &ret);
 521         if (ret != TDM_ERROR_NONE)
 522                 goto failed_get_outputs;
 523
 524         *count = output_count;
 525
 526         if (output_count == 0)
 527                 goto failed_get_outputs;
 528         else if (output_count == 1) {
 529                 private_display->outputs = outputs;
 530                 return outputs;
 531         }
 532
 533         /* count connected outputs */
 534         for (i = 0; i < output_count; i++) {
 535                 tdm_func_output *func_output = &private_display->func_output;
 536                 tdm_caps_output caps;
 537                 memset(&caps, 0, sizeof(tdm_caps_output));
 538
 539                 if (!func_output->output_get_capability) {
 540                         TDM_ERR("no output_get_capability()");
 541                         goto failed_get_outputs;
 542                 }
 543
 544                 ret = func_output->output_get_capability(outputs[i], &caps);
 545                 if (ret != TDM_ERROR_NONE) {
 546                         TDM_ERR("output_get_capability() failed");
 547                         goto failed_get_outputs;
 548                 }
 549
 550                 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
 551                         output_connected_count++;
 552
 553                         switch (caps.type) {
 554                         case TDM_OUTPUT_TYPE_DSI:
 555                                 output_dsi = outputs[i];
 556                                 index_dsi = i;
 557                                 break;
 558                         case TDM_OUTPUT_TYPE_LVDS:
 559                                 output_lvds = outputs[i];
 560                                 index_lvds = i;
 561                                 break;
 562                         case TDM_OUTPUT_TYPE_HDMIA:
 563                                 output_hdmia = outputs[i];
 564                                 index_hdmia = i;
 565                                 break;
 566                         case TDM_OUTPUT_TYPE_HDMIB:
 567                                 output_hdmib = outputs[i];
 568                                 index_hdmib = i;
 569                                 break;
 570                         default:
 571                                 break;
 572                         }
 573                 }
 574
 575                 _tdm_display_destroy_caps_output(&caps);
 576         }
 577
 578         /* ordering : main output is first */
 579         /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
 580           * But hdmi is possible, so set hdmi to main display.
 581           * If connected only one output, it is main output.
 582           * If connected outputs over 2, has priority like below.
 583           * (dsi > lvds > hdmi > else)
 584           */
 585         if (output_connected_count == 0) {
 586                 /* hdmi > dsi > lvds > else */
 587                 if (output_hdmia != NULL)
 588                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
 589                 else if (output_hdmib != NULL)
 590                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
 591                 else if (output_dsi != NULL)
 592                         new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
 593                 else if (output_lvds != NULL)
 594                         new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
 595                 else
 596                         new_outputs = outputs;
 597         } else { /* (output_connected_count > 1) */
 598                 /* dsi > lvds > hdmi > else */
 599                 if (output_dsi != NULL)
 600                         new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
 601                 else if (output_lvds != NULL)
 602                         new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
 603                 else if (output_hdmia != NULL)
 604                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
 605                 else if (output_hdmib != NULL)
 606                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
 607                 else
 608                         new_outputs = outputs;
 609         }
 610
 611         private_display->outputs = new_outputs;
 612
 613         return new_outputs;
 614
 615 failed_get_outputs:
 616         free(outputs);
 617         *count = 0;
 618         return NULL;
 619 }
 620
 621 static tdm_error
 622 _tdm_display_update_internal(tdm_private_display *private_display,
 623                                                          int only_display)
 624 {
 625         tdm_output **outputs = NULL;
 626         int output_count = 0, i;
 627         tdm_error ret = TDM_ERROR_NONE;
 628
 629         LIST_INITHEAD(&private_display->output_list);
 630         LIST_INITHEAD(&private_display->pp_list);
 631         LIST_INITHEAD(&private_display->capture_list);
 632
 633         if (!only_display) {
 634                 ret = _tdm_display_update_caps_pp(private_display, &private_display->caps_pp);
 635                 if (ret != TDM_ERROR_NONE)
 636                         goto failed_update;
 637
 638                 ret = _tdm_display_update_caps_capture(private_display,
 639                                                                                            &private_display->caps_capture);
 640                 if (ret != TDM_ERROR_NONE)
 641                         goto failed_update;
 642         }
 643
 644         outputs = _tdm_display_get_ordered_outputs(private_display, &output_count);
 645         if (!outputs)
 646                 goto failed_update;
 647
 648         for (i = 0; i < output_count; i++) {
 649                 ret = tdm_display_update_output(private_display, outputs[i], i);
 650                 if (ret != TDM_ERROR_NONE)
 651                         goto failed_update;
 652         }
 653
 654         return TDM_ERROR_NONE;
 655
 656 failed_update:
 657         _tdm_display_destroy_private_display(private_display);
 658         return ret;
 659 }
 660 /* LCOV_EXCL_STOP */
 661
 662 EXTERN tdm_error
 663 tdm_display_update(tdm_display *dpy)
 664 {
 665         tdm_private_display *private_display;
 666         tdm_error ret;
 667
 668         TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
 669         TDM_RETURN_VAL_IF_FAIL(tdm_display_is_valid(dpy), TDM_ERROR_INVALID_PARAMETER);
 670
 671         private_display = dpy;
 672         _pthread_mutex_lock(&private_display->lock);
 673
 674         ret = _tdm_display_update_internal(private_display, 1);
 675
 676         _pthread_mutex_unlock(&private_display->lock);
 677
 678         return ret;
 679 }
 680
 681 #define SUFFIX_MODULE    ".so"
 682 #define TDM_DEFAULT_MODULE   "libtdm-default"SUFFIX_MODULE
 683 #define TDM_DUMMY_MODULE     "libtdm-dummy"SUFFIX_MODULE
 684
 685 int tdm_debug_module;
 686 int tdm_debug_dump;
 687 int tdm_ttrace_module;
 688 int tdm_ttrace_output;
 689
 690 static tdm_private_display *g_private_display;
 691 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
 692
 693 /* LCOV_EXCL_START */
 694 static tdm_error
 695 _tdm_display_check_module(tdm_backend_module *module)
 696 {
 697         int major, minor;
 698
 699         TDM_INFO("TDM ABI version : %d.%d",
 700                          TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
 701
 702         if (!module->name) {
 703                 TDM_ERR("TDM backend doesn't have name");
 704                 return TDM_ERROR_BAD_MODULE;
 705         }
 706
 707         if (!module->vendor) {
 708                 TDM_ERR("TDM backend doesn't have vendor");
 709                 return TDM_ERROR_BAD_MODULE;
 710         }
 711
 712         major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
 713         minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
 714
 715         TDM_INFO("TDM module name: %s", module->name);
 716         TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
 717         TDM_INFO("'%s' version: %d.%d", module->name, major, minor);
 718
 719         if (major != TDM_MAJOR_VERSION) {
 720                 TDM_ERR("'%s' major version mismatch, %d != %d",
 721                                 module->name, major, TDM_MAJOR_VERSION);
 722                 return TDM_ERROR_BAD_MODULE;
 723         }
 724
 725         if (minor > TDM_MINOR_VERSION) {
 726                 TDM_ERR("'%s' minor version(%d) is newer than %d",
 727                                 module->name, minor, TDM_MINOR_VERSION);
 728                 return TDM_ERROR_BAD_MODULE;
 729         }
 730
 731         if (!module->init) {
 732                 TDM_ERR("'%s' doesn't have init function", module->name);
 733                 return TDM_ERROR_BAD_MODULE;
 734         }
 735
 736         if (!module->deinit) {
 737                 TDM_ERR("'%s' doesn't have deinit function", module->name);
 738                 return TDM_ERROR_BAD_MODULE;
 739         }
 740
 741         return TDM_ERROR_NONE;
 742 }
 743
 744 static tdm_error
 745 _tdm_display_check_backend_functions(tdm_private_display *private_display)
 746 {
 747         tdm_func_display *func_display = &private_display->func_display;
 748         tdm_func_output *func_output = &private_display->func_output;
 749         tdm_func_layer *func_layer = &private_display->func_layer;
 750         tdm_error ret;
 751
 752         /* below functions should be implemented in backend side */
 753
 754         TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
 755         TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
 756         TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
 757         TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
 758         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
 759
 760         ret = func_display->display_get_capability(private_display->bdata, &private_display->caps_display);
 761         if (ret != TDM_ERROR_NONE) {
 762                 TDM_ERR("display_get_capability() failed");
 763                 return TDM_ERROR_BAD_MODULE;
 764         }
 765
 766         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
 767                 tdm_func_pp *func_pp = &private_display->func_pp;
 768                 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
 769                 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
 770                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
 771                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
 772                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
 773         }
 774
 775         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
 776                 tdm_func_capture *func_capture = &private_display->func_capture;
 777                 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
 778                 if (private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT)
 779                         TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
 780                 if (private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_LAYER)
 781                         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
 782                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
 783                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
 784                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
 785         }
 786
 787         return TDM_ERROR_NONE;
 788 }
 789
 790 static tdm_error
 791 _tdm_display_load_module_with_file(tdm_private_display *private_display,
 792                                                                    const char *file)
 793 {
 794         char path[TDM_PATH_LEN] = {0,};
 795         tdm_backend_module *module_data;
 796         void *module;
 797         tdm_error ret;
 798         double stamp;
 799         int size;
 800
 801         size = snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
 802         if (size >= (int)sizeof(path)) {
 803                 TDM_WRN("too long: %s/%s", TDM_MODULE_PATH, file);
 804                 return TDM_ERROR_BAD_MODULE;
 805         };
 806
 807         stamp = tdm_helper_get_time();
 808
 809         TDM_TRACE_BEGIN("TDM_Load_Backend");
 810         module = dlopen(path, RTLD_LAZY);
 811         if (!module) {
 812                 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
 813                 TDM_TRACE_END();
 814                 return TDM_ERROR_BAD_MODULE;
 815         }
 816
 817         module_data = dlsym(module, "tdm_backend_module_data");
 818         if (!module_data) {
 819                 TDM_ERR("'%s' doesn't have data object", file);
 820                 ret = TDM_ERROR_BAD_MODULE;
 821                 TDM_TRACE_END();
 822                 goto failed_load;
 823         }
 824         TDM_TRACE_END();
 825
 826         TDM_DBG("dlopen, dlsym time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 827
 828         private_display->module_data = module_data;
 829         private_display->module = module;
 830
 831         /* check if version, init() and deinit() are valid or not */
 832         ret = _tdm_display_check_module(module_data);
 833         if (ret != TDM_ERROR_NONE)
 834                 goto failed_load;
 835
 836         /* We don't care if backend_data is NULL or not. It's up to backend. */
 837         TDM_TRACE_BEGIN("TDM_Init_Backend");
 838         stamp = tdm_helper_get_time();
 839         private_display->bdata = module_data->init((tdm_display *)private_display, &ret);
 840         TDM_DBG("backend init() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 841         TDM_TRACE_END();
 842
 843         if (ret != TDM_ERROR_NONE) {
 844                 TDM_ERR("failed to init '%s' module", module_data->name);
 845                 goto failed_load;
 846         }
 847
 848         ret = _tdm_display_check_backend_functions(private_display);
 849         if (ret != TDM_ERROR_NONE) {
 850                 module_data->deinit(private_display->bdata);
 851                 private_display->bdata = NULL;
 852                 goto failed_load;
 853         }
 854
 855         TDM_INFO("Success to load '%s' module", module_data->name);
 856
 857         return TDM_ERROR_NONE;
 858 failed_load:
 859         dlclose(module);
 860         private_display->module_data = NULL;
 861         private_display->module = NULL;
 862         return ret;
 863 }
 864
 865 static tdm_error
 866 _tdm_display_load_module(tdm_private_display *private_display)
 867 {
 868         const char *module_name;
 869         struct dirent **namelist;
 870         int n, len;
 871         tdm_error ret = 0;
 872
 873         module_name = getenv("TDM_MODULE");
 874         if (!module_name)
 875                 module_name = TDM_DEFAULT_MODULE;
 876
 877         len = strlen(module_name);
 878         if (len > TDM_NAME_LEN - 1) {
 879                 TDM_ERR("TDM_MODULE is too long\n");
 880                 return TDM_ERROR_OPERATION_FAILED;
 881         }
 882
 883         /* load bufmgr priv from default lib */
 884         ret = _tdm_display_load_module_with_file(private_display, module_name);
 885         if (ret == TDM_ERROR_NONE)
 886                 return TDM_ERROR_NONE;
 887
 888         /* load bufmgr priv from dummy lib */
 889         ret = _tdm_display_load_module_with_file(private_display, TDM_DUMMY_MODULE);
 890         if (ret == TDM_ERROR_NONE)
 891                 return TDM_ERROR_NONE;
 892
 893         /* load bufmgr priv from configured path */
 894         n = scandir(TDM_MODULE_PATH, &namelist, 0, alphasort);
 895         if (n < 0) {
 896                 TDM_ERR("no module in '%s'\n", TDM_MODULE_PATH);
 897                 return TDM_ERROR_BAD_MODULE;
 898         }
 899
 900         ret = TDM_ERROR_BAD_MODULE;
 901         while (n--) {
 902                 if (ret < 0 && strstr(namelist[n]->d_name, SUFFIX_MODULE))
 903                         ret = _tdm_display_load_module_with_file(private_display, namelist[n]->d_name);
 904
 905                 free(namelist[n]);
 906         }
 907         free(namelist);
 908
 909         return ret;
 910 }
 911
 912 static void
 913 _tdm_display_unload_module(tdm_private_display *private_display)
 914 {
 915         if (private_display->module_data)
 916                 private_display->module_data->deinit(private_display->bdata);
 917         if (private_display->module)
 918                 dlclose(private_display->module);
 919
 920         private_display->bdata = NULL;
 921         private_display->module_data = NULL;
 922         private_display->module = NULL;
 923 }
 924 /* LCOV_EXCL_STOP */
 925
 926 EXTERN tdm_display *
 927 tdm_display_init(tdm_error *error)
 928 {
 929         tdm_private_display *private_display = NULL;
 930         const char *str;
 931         tdm_error ret;
 932         double stamp1, stamp2, start;
 933
 934         pthread_mutex_lock(&gLock);
 935
 936         if (g_private_display) {
 937                 g_private_display->init_count++;
 938                 pthread_mutex_unlock(&gLock);
 939                 if (error)
 940                         *error = TDM_ERROR_NONE;
 941                 return g_private_display;
 942         }
 943
 944         start = stamp1 = tdm_helper_get_time();
 945
 946         private_display = calloc(1, sizeof(tdm_private_display));
 947         if (!private_display) {
 948                 /* LCOV_EXCL_START */
 949                 ret = TDM_ERROR_OUT_OF_MEMORY;
 950                 TDM_ERR("'private_display != NULL' failed");
 951                 goto failed_alloc;
 952                 /* LCOV_EXCL_STOP */
 953         }
 954
 955         str = getenv("TDM_DEBUG_MODULE");
 956         if (str)
 957                 tdm_display_enable_debug_module(str);
 958
 959         str = getenv("TDM_DEBUG_DUMP");
 960         if (str)
 961                 tdm_display_enable_dump(private_display, str, NULL, NULL);
 962
 963         str = getenv("TDM_DEBUG_PATH");
 964         if (str)
 965                 tdm_display_enable_path(str);
 966
 967         if (pthread_mutex_init(&private_display->lock, NULL)) {
 968                 /* LCOV_EXCL_START */
 969                 ret = TDM_ERROR_OPERATION_FAILED;
 970                 TDM_ERR("mutex init failed: %m");
 971                 goto failed_mutex_init;
 972                 /* LCOV_EXCL_STOP */
 973         }
 974
 975         _pthread_mutex_lock(&private_display->lock);
 976
 977         stamp2 = tdm_helper_get_time();
 978         TDM_DBG("prepare init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 979         stamp1 = stamp2;
 980
 981         ret = tdm_vblank_init(private_display);
 982         if (ret != TDM_ERROR_NONE)
 983                 goto failed_vblank;
 984
 985         ret = tdm_event_loop_init(private_display);
 986         if (ret != TDM_ERROR_NONE)
 987                 goto failed_event;
 988
 989         stamp2 = tdm_helper_get_time();
 990         TDM_DBG("creating event loop time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 991         stamp1 = stamp2;
 992
 993         ret = _tdm_display_load_module(private_display);
 994         if (ret != TDM_ERROR_NONE)
 995                 goto failed_load;
 996
 997         stamp2 = tdm_helper_get_time();
 998         TDM_DBG("loading backend time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 999         stamp1 = stamp2;
1000
1001 #ifdef INIT_BUFMGR
1002         int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
1003         if (tdm_drm_fd >= 0) {
1004                 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
1005                 close(tdm_drm_fd);
1006                 if (!private_display->bufmgr) {
1007                         TDM_ERR("tbm_bufmgr_init failed");
1008                         goto failed_update;
1009                 } else {
1010                         TDM_INFO("tbm_bufmgr_init successed");
1011                 }
1012
1013                 stamp2 = tdm_helper_get_time();
1014                 TDM_DBG("initializing bufmgr time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1015                 stamp1 = stamp2;
1016         }
1017 #endif
1018
1019         TDM_TRACE_BEGIN("TDM_Update_Display");
1020         ret = _tdm_display_update_internal(private_display, 0);
1021         TDM_TRACE_END();
1022         if (ret != TDM_ERROR_NONE)
1023                 goto failed_update;
1024
1025         stamp2 = tdm_helper_get_time();
1026         TDM_DBG("updating display time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1027         stamp1 = stamp2;
1028
1029         tdm_event_loop_create_backend_source(private_display);
1030
1031         private_display->init_count = 1;
1032         g_private_display = private_display;
1033
1034         tdm_private_output *o = NULL;
1035         LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1036                 if (o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1037                         tdm_output_need_validate_event_init(o);
1038         }
1039
1040         /* the COMMIT_PER_VBLANK functionality is ability of an output to support
1041          * several operational modes (commit_per_vblank modes) related to tdm_commit;
1042          * this functionality can be turned off which means a default mode */
1043         str = getenv("TDM_COMMIT_PER_VBLANK");
1044         if (str) {
1045                 tdm_private_output *o = NULL;
1046                 char *end;
1047                 int mode = strtol(str, &end, 10);
1048
1049                 /* outputs which support hwc capability can work only
1050                  * if commit_per_vblank mode is '0' (default mode) */
1051                 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link)
1052                         if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
1053                                 tdm_output_choose_commit_per_vblank_mode(o, mode);
1054         }
1055
1056         if (error)
1057                 *error = TDM_ERROR_NONE;
1058
1059         _pthread_mutex_unlock(&private_display->lock);
1060         pthread_mutex_unlock(&gLock);
1061
1062         TDM_INFO("init time: %.3f ms", (tdm_helper_get_time() - start) * 1000.0);
1063
1064         return (tdm_display *)private_display;
1065
1066 /* LCOV_EXCL_START */
1067 failed_update:
1068         _tdm_display_unload_module(private_display);
1069 failed_load:
1070         tdm_event_loop_stop(private_display);
1071         tdm_event_loop_deinit(private_display);
1072 failed_event:
1073         tdm_vblank_deinit(private_display);
1074 failed_vblank:
1075         _pthread_mutex_unlock(&private_display->lock);
1076         pthread_mutex_destroy(&private_display->lock);
1077 failed_mutex_init:
1078         free(private_display);
1079 failed_alloc:
1080         if (error)
1081                 *error = ret;
1082         pthread_mutex_unlock(&gLock);
1083         return NULL;
1084 /* LCOV_EXCL_STOP */
1085 }
1086
1087 EXTERN void
1088 tdm_display_deinit(tdm_display *dpy)
1089 {
1090         tdm_private_display *private_display = dpy;
1091
1092         if (!private_display)
1093                 return;
1094
1095         TDM_RETURN_IF_FAIL(tdm_display_is_valid(dpy));
1096
1097         pthread_mutex_lock(&gLock);
1098
1099         private_display->init_count--;
1100         if (private_display->init_count > 0) {
1101                 pthread_mutex_unlock(&gLock);
1102                 return;
1103         }
1104
1105         /* dont move the position of lock/unlock. all resource should be protected
1106          * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1107          * things because it's finalized.
1108          */
1109         _pthread_mutex_lock(&private_display->lock);
1110         tdm_event_loop_stop(private_display);
1111         _tdm_display_destroy_private_display(private_display);
1112         _tdm_display_unload_module(private_display);
1113         _pthread_mutex_unlock(&private_display->lock);
1114
1115         tdm_event_loop_deinit(private_display);
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         pthread_mutex_unlock(&gLock);
1135
1136         TDM_INFO("done");
1137 }
1138
1139 INTERN int
1140 tdm_display_is_valid(tdm_display *dpy)
1141 {
1142         if (dpy != NULL && dpy == g_private_display)
1143                 return 1;
1144         return 0;
1145 }
1146
1147 INTERN int
1148 tdm_output_is_valid(tdm_output *output)
1149 {
1150         tdm_private_output *o = NULL, *private_output = output;
1151         if (output && g_private_display)
1152                 LIST_FOR_EACH_ENTRY(o, &g_private_display->output_list, link)
1153                         if (o == private_output)
1154                                 return 1;
1155         return 0;
1156 }
1157
1158 /* LCOV_EXCL_START */
1159 INTERN int
1160 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin)
1161 {
1162         tdm_backend_module *module = private_display->module_data;
1163
1164         if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
1165                 return 0;
1166
1167         if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)
1168                 return 0;
1169
1170         return 1;
1171 }
1172
1173 INTERN tdm_error
1174 tdm_display_enable_debug_module(const char*modules)
1175 {
1176         char temp[TDM_PATH_LEN];
1177         char *arg;
1178         char *end;
1179
1180         snprintf(temp, TDM_PATH_LEN, "%s", modules);
1181
1182         tdm_debug_module = 0;
1183
1184         arg = strtok_r(temp, TDM_DELIM, &end);
1185         while (arg) {
1186                 if (!strncmp(arg, "none", 4)) {
1187                         tdm_debug_module = 0;
1188                         return TDM_ERROR_NONE;
1189                 }
1190                 if (!strncmp(arg, "all", 3)) {
1191                         tdm_debug_module = 0xFFFFFFFF;
1192                         return TDM_ERROR_NONE;
1193                 }
1194                 if (!strncmp(arg, "buffer", 6))
1195                         tdm_debug_module |= TDM_DEBUG_BUFFER;
1196                 else if (!strncmp(arg, "thread", 6))
1197                         tdm_debug_module |= TDM_DEBUG_THREAD;
1198                 else if (!strncmp(arg, "mutex", 5))
1199                         tdm_debug_module |= TDM_DEBUG_MUTEX;
1200                 else if (!strncmp(arg, "vblank", 6))
1201                         tdm_debug_module |= TDM_DEBUG_VBLANK;
1202                 else if (!strncmp(arg, "commit", 6))
1203                         tdm_debug_module |= TDM_DEBUG_COMMIT;
1204
1205                 arg = strtok_r(NULL, TDM_DELIM, &end);
1206         }
1207
1208         TDM_INFO("module debugging... '%s'", modules);
1209
1210         return TDM_ERROR_NONE;
1211 }
1212
1213 INTERN tdm_error
1214 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len)
1215 {
1216         char temp[TDM_PATH_LEN] = {0,}, temp2[TDM_PATH_LEN] = {0,};
1217         char *path = NULL, *path2;
1218         char *arg;
1219         char *end;
1220
1221         snprintf(temp2, TDM_PATH_LEN, "%s", dump_str);
1222         path2 = strtostr(temp, TDM_PATH_LEN, temp2, "@");
1223         if (!path2 || path2[0] == '\0')
1224                 path2 = TDM_DUMP_DIR;
1225         else
1226                 path2++;
1227
1228         tdm_debug_dump = 0;
1229
1230         snprintf(temp, sizeof(temp), "%s", dump_str);
1231         arg = strtok_r(temp, ",", &end);
1232         TDM_GOTO_IF_FAIL(arg != NULL, done);
1233
1234         if (!strncmp(arg, "none", 4)) {
1235                 tdm_debug_dump = 0;
1236                 TDM_SNPRINTF(reply, len, "path: %s\n", (tdm_debug_dump_dir) ? : "unknown");
1237                 if (tdm_debug_dump_dir) {
1238                         free(tdm_debug_dump_dir);
1239                         tdm_debug_dump_dir = NULL;
1240                 }
1241                 goto done;
1242         }
1243
1244         path = tdm_helper_dump_make_directory(path2, reply, len);
1245         TDM_GOTO_IF_FAIL(path != NULL, done);
1246
1247         if (!strncmp(arg, "current", 7)) {
1248                 tdm_private_output *o = NULL;
1249                 if (!private_display) {
1250                         TDM_WRN("no private_display");
1251                         goto done;
1252                 }
1253
1254                 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1255                         tdm_private_layer *l = NULL;
1256                         LIST_FOR_EACH_ENTRY(l, &o->layer_list, link) {
1257                                 char str[TDM_PATH_LEN];
1258                                 if (l->usable || l->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)
1259                                         continue;
1260                                 if (!l->showing_buffer)
1261                                         continue;
1262                                 snprintf(str, TDM_PATH_LEN, "layer_%d_%d", o->index, l->index);
1263                                 tdm_helper_dump_buffer_str(l->showing_buffer->buffer, path, str);
1264                         }
1265                 }
1266
1267                 TDM_SNPRINTF(reply, len, "path: %s\n", path);
1268                 goto done;
1269         }
1270
1271         TDM_SNPRINTF(reply, len, "dump: %s\n", arg);
1272
1273         while (arg) {
1274                 if (!strncmp(arg, "all", 3)) {
1275                         tdm_debug_dump = 0xFFFFFFFF;
1276                         goto done;
1277                 } else if (!strncmp(arg, "layer", 5)) {
1278                         tdm_debug_dump |= TDM_DUMP_FLAG_LAYER;
1279                 } else if (!strncmp(arg, "pp", 2)) {
1280                         tdm_debug_dump |= TDM_DUMP_FLAG_PP;
1281                 } else if (!strncmp(arg, "capture", 7)) {
1282                         tdm_debug_dump |= TDM_DUMP_FLAG_CAPTURE;
1283                 } else if (!strncmp(arg, "window", 6)) {
1284                         tdm_debug_dump |= TDM_DUMP_FLAG_WINDOW;
1285                 } else
1286                         goto done;
1287
1288                 arg = strtok_r(NULL, ",", &end);
1289         }
1290
1291         if (tdm_debug_dump_dir)
1292                 free(tdm_debug_dump_dir);
1293
1294         tdm_debug_dump_dir = strndup(path, TDM_PATH_LEN);
1295
1296         TDM_INFO("dump... '%s'", dump_str);
1297
1298 done:
1299         if (path)
1300                 free(path);
1301
1302         return TDM_ERROR_NONE;
1303 }
1304
1305 INTERN tdm_error
1306 tdm_display_enable_path(const char *path)
1307 {
1308         static int old_stdout = -1;
1309         char fd_name[TDM_PATH_LEN];
1310         int  log_fd = -1;
1311         FILE *log_fl;
1312
1313         if (old_stdout == -1)
1314                 old_stdout = dup(STDOUT_FILENO);
1315
1316         tdm_log_enable_dlog(0);
1317
1318         snprintf(fd_name, TDM_PATH_LEN, "%s", path);
1319
1320         log_fl = fopen(fd_name, "a");
1321         if (!log_fl) {
1322                 TDM_ERR("failed: open file(%s)\n", fd_name);
1323                 return TDM_ERROR_OPERATION_FAILED;
1324         }
1325
1326         fflush(stderr);
1327         close(STDOUT_FILENO);
1328
1329         setvbuf(log_fl, NULL, _IOLBF, 512);
1330         log_fd = fileno(log_fl);
1331
1332         dup2(log_fd, STDOUT_FILENO);
1333         fclose(log_fl);
1334
1335         return TDM_ERROR_NONE;
1336 }
1337
1338 static void
1339 _tdm_display_ttrace_vblank_cb(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
1340                                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
1341 {
1342         tdm_error ret = TDM_ERROR_NONE;
1343
1344         TDM_TRACE_MARK("VSYNC");
1345
1346         ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1347         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1348 }
1349
1350 INTERN tdm_error
1351 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable)
1352 {
1353         tdm_private_display *private_display = dpy;
1354         tdm_private_output *private_output = NULL;
1355         const tdm_output_mode *mode = NULL;
1356         tdm_vblank *vblank = NULL;
1357         tdm_error ret = TDM_ERROR_NONE;
1358
1359         if (!enable) {
1360                 LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
1361                         if (private_output->ttrace_vblank)
1362                                 tdm_vblank_destroy(private_output->ttrace_vblank);
1363                         private_output->ttrace_vblank = NULL;
1364                 }
1365                 return TDM_ERROR_NONE;
1366         }
1367
1368         private_output = output;
1369         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1370
1371         if (private_output->ttrace_vblank)
1372                 return TDM_ERROR_NONE;
1373
1374         vblank = tdm_vblank_create(private_display, output, &ret);
1375         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, ret);
1376
1377         ret = tdm_output_get_mode(output, &mode);
1378         TDM_GOTO_IF_FAIL(mode != NULL, enable_fail);
1379
1380         ret = tdm_vblank_set_fps(vblank, mode->vrefresh);
1381         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1382
1383         ret = tdm_vblank_set_enable_fake(vblank, 1);
1384         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1385
1386         ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1387         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1388
1389         private_output->ttrace_vblank = vblank;
1390
1391         return TDM_ERROR_NONE;
1392
1393 enable_fail:
1394         if (vblank)
1395                 tdm_vblank_destroy(vblank);
1396
1397         return ret;
1398 }
1399
1400 INTERN tdm_error
1401 tdm_display_enable_ttrace(tdm_private_display *private_display, const char *ttrace, int output_id, char *reply, int *len)
1402 {
1403         char temp[TDM_PATH_LEN];
1404         char *arg;
1405         char *end;
1406         tdm_output *output;
1407         tdm_error ret;
1408         tdm_output_type type;
1409
1410         snprintf(temp, TDM_PATH_LEN, "%s", ttrace);
1411
1412         tdm_ttrace_output = output_id;
1413         tdm_ttrace_module = 0;
1414
1415         output = tdm_display_get_output(private_display, output_id, &ret);
1416         if (!output) {
1417                 TDM_SNPRINTF(reply, len, "can't find the output_id(%d)\n", output_id);
1418                 return ret;
1419         }
1420
1421         ret = tdm_output_get_output_type(output, &type);
1422         if (ret != TDM_ERROR_NONE) {
1423                 TDM_SNPRINTF(reply, len, "can't find the type of output_id(%d)\n", output_id);
1424                 return ret;
1425         }
1426
1427         arg = strtok_r(temp, TDM_DELIM, &end);
1428         while (arg) {
1429                 if (!strncmp(arg, "none", 4))
1430                         tdm_ttrace_module = 0;
1431                 else if (!strncmp(arg, "all", 3))
1432                         tdm_ttrace_module = 0xFFFFFFFF;
1433                 else if (!strncmp(arg, "vsync", 5))
1434                         tdm_ttrace_module |= TDM_TTRACE_VSYNC;
1435                 else if (!strncmp(arg, "client_vblank", 13))
1436                         tdm_ttrace_module |= TDM_TTRACE_CLIENT_VBLANK;
1437                 else if (!strncmp(arg, "server_vblank", 13))
1438                         tdm_ttrace_module |= TDM_TTRACE_SERVER_VBLANK;
1439                 else if (!strncmp(arg, "vblank", 6))
1440                         tdm_ttrace_module |= TDM_TTRACE_VBLANK;
1441                 else if (!strncmp(arg, "layer", 5))
1442                         tdm_ttrace_module |= TDM_TTRACE_LAYER;
1443                 else if (!strncmp(arg, "pp", 2))
1444                         tdm_ttrace_module |= TDM_TTRACE_PP;
1445                 else if (!strncmp(arg, "capture", 7))
1446                         tdm_ttrace_module |= TDM_TTRACE_CAPTURE;
1447                 else  {
1448                         tdm_ttrace_module = 0;
1449                         tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
1450                         tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
1451                         TDM_SNPRINTF(reply, len, "unknown option: '%s'\n", arg);
1452                         return TDM_ERROR_NONE;
1453                 }
1454
1455                 arg = strtok_r(NULL, TDM_DELIM, &end);
1456         }
1457
1458         TDM_SNPRINTF(reply, len, "ttrace debugging... '%s' %x\n", ttrace, tdm_ttrace_module);
1459
1460         if (tdm_ttrace_module & TDM_TTRACE_VSYNC)
1461                 tdm_display_enable_ttrace_vblank(private_display, output, 1);
1462         else
1463                 tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
1464
1465         if (tdm_ttrace_module & TDM_TTRACE_CLIENT_VBLANK)
1466                 tdm_server_enable_ttrace_client_vblank(private_display, output, 1);
1467         else
1468                 tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
1469
1470         return TDM_ERROR_NONE;
1471 }
1472
1473 INTERN tdm_error
1474 tdm_display_enable_fps(tdm_private_display *private_display, int enable)
1475 {
1476         private_display->print_fps = enable;
1477
1478         TDM_INFO("print fps: %s", (enable) ? "enable" : "disable");
1479
1480         return TDM_ERROR_NONE;
1481 }
1482 /* LCOV_EXCL_STOP */