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_module *private_module = NULL;
  68         tdm_private_output *private_output = NULL;
  69
  70         LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
  71                 LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
  72                         if (private_output->output_backend == output_backend)
  73                                 return private_output;
  74                 }
  75         }
  76
  77         return NULL;
  78 }
  79
  80 INTERN void *
  81 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp)
  82 {
  83         tdm_private_module *private_module = NULL;
  84         tdm_private_output *private_output = NULL;
  85
  86         LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
  87                 LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
  88                         if (private_output->stamp == stamp)
  89                                 return private_output;
  90                 }
  91         }
  92
  93         return NULL;
  94 }
  95
  96 static void
  97 _tdm_display_destroy_caps_pp(tdm_caps_pp *caps_pp)
  98 {
  99         if (caps_pp->formats)
 100                 free(caps_pp->formats);
 101
 102         memset(caps_pp, 0, sizeof(tdm_caps_pp));
 103 }
 104
 105 static void
 106 _tdm_display_destroy_caps_capture(tdm_caps_capture *caps_capture)
 107 {
 108         if (caps_capture->formats)
 109                 free(caps_capture->formats);
 110
 111         memset(caps_capture, 0, sizeof(tdm_caps_capture));
 112 }
 113
 114 static void
 115 _tdm_display_destroy_caps_layer(tdm_caps_layer *caps_layer)
 116 {
 117         if (caps_layer->formats)
 118                 free(caps_layer->formats);
 119
 120         if (caps_layer->props)
 121                 free(caps_layer->props);
 122
 123         memset(caps_layer, 0, sizeof(tdm_caps_layer));
 124 }
 125
 126 static void
 127 _tdm_display_destroy_caps_output(tdm_caps_output *caps_output)
 128 {
 129         if (caps_output->modes)
 130                 free(caps_output->modes);
 131
 132         if (caps_output->props)
 133                 free(caps_output->props);
 134
 135         memset(caps_output, 0, sizeof(tdm_caps_output));
 136 }
 137
 138 static void
 139 _tdm_display_destroy_private_layer(tdm_private_layer *private_layer)
 140 {
 141         tdm_private_capture *c = NULL, *cc = NULL;
 142
 143         tdm_layer_unset_buffer_internal(private_layer);
 144
 145         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_layer->capture_list, link)
 146         tdm_capture_destroy_internal(c);
 147
 148         _tdm_display_destroy_caps_layer(&private_layer->caps);
 149
 150         /* when destroying layer, someone could check if layer is valid. So delete
 151          * the layer's link at last.
 152          */
 153         LIST_DEL(&private_layer->link);
 154
 155         free(private_layer);
 156 }
 157
 158 static void
 159 _tdm_display_destroy_private_output(tdm_private_output *private_output)
 160 {
 161         tdm_private_display *private_display = private_output->private_display;
 162         tdm_private_layer *l = NULL, *ll = NULL;
 163         tdm_private_hwc_window *hw = NULL, *hww = NULL;
 164         tdm_private_capture *c = NULL, *cc = NULL;
 165         tdm_private_output_vblank_handler *v = NULL, *vv = NULL;
 166         tdm_private_output_commit_handler *om = NULL, *omm = NULL;
 167         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 168         tdm_private_output_change_handler *h = NULL, *hh = NULL;
 169
 170         free(private_output->layers_ptr);
 171
 172         if (private_output->vblank_timeout_timer)
 173                 tdm_event_loop_source_remove(private_output->vblank_timeout_timer);
 174
 175         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 176                 LIST_DEL(&v->link);
 177                 free(v);
 178         }
 179
 180         LIST_FOR_EACH_ENTRY_SAFE(om, omm, &private_output->output_commit_handler_list, link) {
 181                 LIST_DEL(&om->link);
 182                 free(om);
 183         }
 184
 185         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
 186                 LIST_DEL(&lm->link);
 187                 free(lm);
 188         }
 189
 190         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
 191                 LIST_DEL(&lm->link);
 192                 free(lm);
 193         }
 194
 195         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list, link) {
 196                 LIST_DEL(&h->link);
 197                 tdm_thread_cb_remove(h->private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, h);
 198                 tdm_thread_cb_remove(h->private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, h);
 199                 free(h);
 200         }
 201
 202         if (private_output->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->vblank);
 206                 _pthread_mutex_lock(&private_display->lock);
 207         }
 208
 209         if (private_output->ttrace_vblank) {
 210                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 211                 _pthread_mutex_unlock(&private_display->lock);
 212                 tdm_vblank_destroy(private_output->ttrace_vblank);
 213                 _pthread_mutex_lock(&private_display->lock);
 214         }
 215
 216         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_output->capture_list, link)
 217         tdm_capture_destroy_internal(c);
 218
 219         LIST_FOR_EACH_ENTRY_SAFE(hw, hww, &private_output->hwc_window_list, link)
 220         tdm_hwc_window_destroy_internal(hw);
 221
 222         LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
 223         _tdm_display_destroy_private_layer(l);
 224
 225         _tdm_display_destroy_caps_output(&private_output->caps);
 226
 227         tdm_thread_cb_remove(private_output, TDM_THREAD_CB_NEED_VALIDATE, NULL,
 228                                                  tdm_output_need_validate_handler_thread, NULL);
 229         tdm_event_loop_source_remove(private_output->need_validate.event_source);
 230         close(private_output->need_validate.event_fd);
 231
 232         /* when destroying output, vblank objects are also destroyed. vblank checks
 233          * if output object is valid. So delete the output's link at last.
 234          */
 235         LIST_DEL(&private_output->link);
 236
 237         private_output->stamp = 0;
 238         free(private_output);
 239 }
 240
 241 static void
 242 _tdm_display_destroy_private_display(tdm_private_display *private_display)
 243 {
 244         tdm_private_module *private_module = NULL, *bb = NULL;
 245         tdm_private_output *o = NULL, *oo = NULL;
 246         tdm_private_pp *p = NULL, *pp = NULL;
 247
 248         LIST_FOR_EACH_ENTRY_SAFE(private_module, bb, &private_display->module_list, link) {
 249                 LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_module->pp_list, link) {
 250                         tdm_pp_destroy_internal(p);
 251                 }
 252
 253                 LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_module->output_list, link) {
 254                         _tdm_display_destroy_private_output(o);
 255                 }
 256
 257                 _tdm_display_destroy_caps_pp(&private_module->caps_pp);
 258                 _tdm_display_destroy_caps_capture(&private_module->caps_capture);
 259
 260                 private_module->capabilities = 0;
 261                 private_module->caps_display.max_layer_count = 0;
 262
 263                 if (private_module->outputs) {
 264                         free(private_module->outputs);
 265                         private_module->outputs = NULL;
 266                 }
 267         }
 268 }
 269
 270 static tdm_error
 271 _tdm_display_update_caps_pp(tdm_private_module *private_module, tdm_caps_pp *caps)
 272 {
 273         tdm_func_display *func_display;
 274         tdm_error ret;
 275
 276         func_display = &private_module->func_display;
 277
 278         if (!func_display->display_get_pp_capability) {
 279                 TDM_ERR("backend(%s) no display_get_pp_capability()", private_module->module_data->name);
 280                 return TDM_ERROR_BAD_MODULE;
 281         }
 282
 283         ret = func_display->display_get_pp_capability(private_module->bdata, caps);
 284         if (ret != TDM_ERROR_NONE) {
 285                 TDM_ERR("backend(%s) display_get_pp_capability() failed", private_module->module_data->name);
 286                 return TDM_ERROR_BAD_MODULE;
 287         }
 288
 289         return TDM_ERROR_NONE;
 290 }
 291
 292 static tdm_error
 293 _tdm_display_update_caps_capture(tdm_private_module *private_module, tdm_caps_capture *caps)
 294 {
 295         tdm_func_display *func_display;
 296         tdm_error ret;
 297
 298         func_display = &private_module->func_display;
 299
 300         if (!func_display->display_get_capture_capability) {
 301                 TDM_ERR("backend(%s) no display_get_capture_capability()", private_module->module_data->name);
 302                 return TDM_ERROR_BAD_MODULE;
 303         }
 304
 305         ret = func_display->display_get_capture_capability(private_module->bdata, caps);
 306         if (ret != TDM_ERROR_NONE) {
 307                 TDM_ERR("backend(%s) display_get_capture_capability() failed", private_module->module_data->name);
 308                 return TDM_ERROR_BAD_MODULE;
 309         }
 310
 311         return TDM_ERROR_NONE;
 312 }
 313
 314 static tdm_error
 315 _tdm_display_update_caps_layer(tdm_private_module *private_module,
 316                                                            tdm_layer *layer_backend, tdm_caps_layer *caps)
 317 {
 318         tdm_func_layer *func_layer = &private_module->func_layer;
 319         tdm_error ret;
 320
 321         if (!func_layer->layer_get_capability) {
 322                 TDM_ERR("backend(%s) no layer_get_capability()", private_module->module_data->name);
 323                 return TDM_ERROR_BAD_MODULE;
 324         }
 325
 326         ret = func_layer->layer_get_capability(layer_backend, caps);
 327         if (ret != TDM_ERROR_NONE) {
 328                 TDM_ERR("backend(%s) layer_get_capability() failed", private_module->module_data->name);
 329                 return TDM_ERROR_BAD_MODULE;
 330         }
 331
 332         return TDM_ERROR_NONE;
 333 }
 334
 335 static tdm_error
 336 _tdm_display_update_caps_output(tdm_private_module *private_module, int pipe,
 337                                                                 tdm_output *output_backend, tdm_caps_output *caps)
 338 {
 339         tdm_func_output *func_output = &private_module->func_output;
 340         char temp[TDM_NAME_LEN];
 341         tdm_error ret;
 342         double stamp;
 343
 344         if (!func_output->output_get_capability) {
 345                 TDM_ERR("backend(%s) no output_get_capability()", private_module->module_data->name);
 346                 return TDM_ERROR_BAD_MODULE;
 347         }
 348
 349         stamp = tdm_helper_get_time();
 350         ret = func_output->output_get_capability(output_backend, caps);
 351         TDM_DBG("backend(%s) backend output_get_capability() time: %.3f ms",
 352                         private_module->module_data->name, (tdm_helper_get_time() - stamp) * 1000.0);
 353
 354         if (ret != TDM_ERROR_NONE) {
 355                 TDM_ERR("backend(%s) output_get_capability() failed", private_module->module_data->name);
 356                 return TDM_ERROR_BAD_MODULE;
 357         }
 358
 359         /* FIXME: Use model for tdm client to distinguish amoung outputs */
 360         snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
 361         snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
 362
 363         return TDM_ERROR_NONE;
 364 }
 365
 366 static tdm_error
 367 _tdm_display_update_layer(tdm_private_output *private_output,
 368                                                   tdm_layer *layer_backend, int index)
 369 {
 370         tdm_private_layer *private_layer;
 371         tdm_error ret;
 372
 373         private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
 374         if (!private_layer) {
 375                 private_layer = calloc(1, sizeof(tdm_private_layer));
 376                 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
 377
 378                 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
 379                 LIST_INITHEAD(&private_layer->capture_list);
 380
 381                 private_layer->index = index;
 382                 private_layer->private_module = private_output->private_module;
 383                 private_layer->private_display = private_output->private_display;
 384                 private_layer->private_output = private_output;
 385                 private_layer->layer_backend = layer_backend;
 386                 private_layer->usable = 1;
 387         }
 388
 389         _tdm_display_destroy_caps_layer(&private_layer->caps);
 390
 391         ret = _tdm_display_update_caps_layer(private_output->private_module, layer_backend, &private_layer->caps);
 392         TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
 393
 394         return TDM_ERROR_NONE;
 395 }
 396
 397 INTERN tdm_error
 398 tdm_display_update_output(tdm_private_module *private_module,
 399                                                   tdm_output *output_backend, int pipe, unsigned int need_new_caps)
 400 {
 401         tdm_func_output *func_output = &private_module->func_output;
 402         tdm_private_output *private_output = NULL;
 403         tdm_layer **layers = NULL;
 404         int layer_count = 0, i;
 405         tdm_error ret;
 406
 407         private_output = tdm_display_find_private_output(private_module->private_display, output_backend);
 408         if (!private_output) {
 409                 private_output = calloc(1, sizeof(tdm_private_output));
 410                 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
 411
 412                 private_output->stamp = tdm_helper_get_time();
 413                 while (tdm_display_find_output_stamp(private_module->private_display, private_output->stamp))
 414                         private_output->stamp++;
 415
 416                 LIST_ADDTAIL(&private_output->link, &private_module->output_list);
 417
 418                 private_output->private_module = private_module;
 419                 private_output->private_display = private_module->private_display;
 420                 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
 421                 private_output->output_backend = output_backend;
 422                 private_output->pipe = pipe;
 423                 private_output->index = pipe;
 424
 425                 LIST_INITHEAD(&private_output->layer_list);
 426                 LIST_INITHEAD(&private_output->hwc_window_list);
 427                 LIST_INITHEAD(&private_output->capture_list);
 428                 LIST_INITHEAD(&private_output->vblank_handler_list);
 429                 LIST_INITHEAD(&private_output->output_commit_handler_list);
 430                 LIST_INITHEAD(&private_output->layer_commit_handler_list);
 431                 LIST_INITHEAD(&private_output->pending_commit_handler_list);
 432                 LIST_INITHEAD(&private_output->change_handler_list);
 433
 434                 if (func_output->output_set_status_handler) {
 435                         func_output->output_set_status_handler(private_output->output_backend,
 436                                                                                                    tdm_output_cb_status,
 437                                                                                                    private_output);
 438                         private_output->regist_change_cb = 1;
 439                 }
 440         }
 441
 442         /* need_new_caps will be true only in case of "disconnected -> connected" and "connected -> disconnected"
 443          * because we have to get new modes.
 444          */
 445         if (need_new_caps) {
 446                 _tdm_display_destroy_caps_output(&private_output->caps);
 447
 448                 ret = _tdm_display_update_caps_output(private_module, pipe, output_backend, &private_output->caps);
 449                 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
 450         }
 451
 452         layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
 453         if (ret != TDM_ERROR_NONE) {
 454                 free(layers);
 455                 return ret;
 456         }
 457
 458         for (i = 0; i < layer_count; i++) {
 459                 ret = _tdm_display_update_layer(private_output, layers[i], i);
 460                 if (ret != TDM_ERROR_NONE) {
 461                         free(layers);
 462                         return ret;
 463                 }
 464         }
 465
 466         free(layers);
 467
 468         return TDM_ERROR_NONE;
 469 }
 470
 471 static tdm_output **
 472 _tdm_display_set_main_first(tdm_output **outputs, int index)
 473 {
 474         tdm_output *output_tmp = NULL;
 475
 476         if (index == 0)
 477                 return outputs;
 478
 479         output_tmp = outputs[0];
 480         outputs[0] = outputs[index];
 481         outputs[index] = output_tmp;
 482
 483         return outputs;
 484 }
 485
 486 static tdm_output **
 487 _tdm_display_get_ordered_outputs(tdm_private_module *private_module, int *count)
 488 {
 489         tdm_func_display *func_display = &private_module->func_display;
 490         tdm_output **outputs = NULL;
 491         tdm_output **new_outputs = NULL;
 492         tdm_output *output_dsi = NULL;
 493         tdm_output *output_lvds = NULL;
 494         tdm_output *output_hdmia = NULL;
 495         tdm_output *output_hdmib = NULL;
 496         int i, output_count = 0, output_connected_count = 0;
 497         int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
 498         tdm_error ret;
 499
 500         /* don't change list order if not init time */
 501         if (private_module->outputs) {
 502                 TDM_ERR("can't change output order");
 503                 return private_module->outputs;
 504         }
 505
 506         outputs = func_display->display_get_outputs(private_module->bdata, &output_count, &ret);
 507         if (ret != TDM_ERROR_NONE)
 508                 goto failed_get_outputs;
 509
 510         *count = output_count;
 511
 512         if (output_count == 0)
 513                 goto failed_get_outputs;
 514         else if (output_count == 1) {
 515                 private_module->outputs = outputs;
 516                 return outputs;
 517         }
 518
 519         /* count connected outputs */
 520         for (i = 0; i < output_count; i++) {
 521                 tdm_func_output *func_output = &private_module->func_output;
 522                 tdm_caps_output caps;
 523                 memset(&caps, 0, sizeof(tdm_caps_output));
 524
 525                 if (!func_output->output_get_capability) {
 526                         TDM_ERR("no output_get_capability()");
 527                         goto failed_get_outputs;
 528                 }
 529
 530                 ret = func_output->output_get_capability(outputs[i], &caps);
 531                 if (ret != TDM_ERROR_NONE) {
 532                         TDM_ERR("output_get_capability() failed");
 533                         goto failed_get_outputs;
 534                 }
 535
 536                 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
 537                         output_connected_count++;
 538
 539                         switch (caps.type) {
 540                         case TDM_OUTPUT_TYPE_DSI:
 541                                 output_dsi = outputs[i];
 542                                 index_dsi = i;
 543                                 break;
 544                         case TDM_OUTPUT_TYPE_LVDS:
 545                                 output_lvds = outputs[i];
 546                                 index_lvds = i;
 547                                 break;
 548                         case TDM_OUTPUT_TYPE_HDMIA:
 549                                 output_hdmia = outputs[i];
 550                                 index_hdmia = i;
 551                                 break;
 552                         case TDM_OUTPUT_TYPE_HDMIB:
 553                                 output_hdmib = outputs[i];
 554                                 index_hdmib = i;
 555                                 break;
 556                         default:
 557                                 break;
 558                         }
 559                 }
 560
 561                 _tdm_display_destroy_caps_output(&caps);
 562         }
 563
 564         /* ordering : main output is first */
 565         /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
 566           * But hdmi is possible, so set hdmi to main display.
 567           * If connected only one output, it is main output.
 568           * If connected outputs over 2, has priority like below.
 569           * (dsi > lvds > hdmi > else)
 570           */
 571         if (output_connected_count == 0) {
 572                 /* hdmi > dsi > lvds > else */
 573                 if (output_hdmia != NULL)
 574                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
 575                 else if (output_hdmib != NULL)
 576                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
 577                 else if (output_dsi != NULL)
 578                         new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
 579                 else if (output_lvds != NULL)
 580                         new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
 581                 else
 582                         new_outputs = outputs;
 583         } else { /* (output_connected_count > 1) */
 584                 /* dsi > lvds > hdmi > else */
 585                 if (output_dsi != NULL)
 586                         new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
 587                 else if (output_lvds != NULL)
 588                         new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
 589                 else if (output_hdmia != NULL)
 590                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
 591                 else if (output_hdmib != NULL)
 592                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
 593                 else
 594                         new_outputs = outputs;
 595         }
 596
 597         private_module->outputs = new_outputs;
 598
 599         return new_outputs;
 600
 601 failed_get_outputs:
 602         free(outputs);
 603         *count = 0;
 604         return NULL;
 605 }
 606
 607 static tdm_error
 608 _tdm_display_update(tdm_private_display *private_display)
 609 {
 610         tdm_private_module *private_module = NULL;
 611         tdm_error ret = TDM_ERROR_NONE;
 612         int index = 0;
 613
 614         if (private_display->pp_module) {
 615                 ret = _tdm_display_update_caps_pp(private_display->pp_module,
 616                                                                                   &private_display->pp_module->caps_pp);
 617                 if (ret != TDM_ERROR_NONE)
 618                         goto failed_update;
 619         }
 620
 621         if (private_display->capture_module) {
 622                 ret = _tdm_display_update_caps_capture(private_display->capture_module,
 623                                                                                            &private_display->capture_module->caps_capture);
 624                 if (ret != TDM_ERROR_NONE)
 625                         goto failed_update;
 626         }
 627
 628         LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
 629                 tdm_output **outputs;
 630                 int output_count = 0, i;
 631
 632                 outputs = _tdm_display_get_ordered_outputs(private_module, &output_count);
 633                 if (!outputs)
 634                         goto failed_update;
 635
 636                 for (i = 0; i < output_count; i++) {
 637                         ret = tdm_display_update_output(private_module, outputs[i], index++, 1);
 638                         if (ret != TDM_ERROR_NONE)
 639                                 goto failed_update;
 640                 }
 641         }
 642
 643         return TDM_ERROR_NONE;
 644
 645 failed_update:
 646         _tdm_display_destroy_private_display(private_display);
 647         return ret;
 648 }
 649 /* LCOV_EXCL_STOP */
 650
 651 EXTERN tdm_error
 652 tdm_display_update(tdm_display *dpy)
 653 {
 654         TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
 655         TDM_RETURN_VAL_IF_FAIL(tdm_display_is_valid(dpy), TDM_ERROR_INVALID_PARAMETER);
 656
 657         TDM_DEPRECATED(NULL);
 658
 659         return TDM_ERROR_NONE;
 660 }
 661
 662 int tdm_debug_module;
 663 int tdm_debug_dump;
 664 int tdm_ttrace_module;
 665 int tdm_ttrace_output;
 666
 667 static tdm_private_display *g_private_display;
 668 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
 669
 670 /* LCOV_EXCL_START */
 671 static tdm_error
 672 _tdm_display_check_module(tdm_backend_module *module)
 673 {
 674         int major, minor;
 675
 676         TDM_INFO("TDM ABI version : %d.%d",
 677                          TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
 678
 679         if (!module->name) {
 680                 TDM_ERR("TDM backend doesn't have name");
 681                 return TDM_ERROR_BAD_MODULE;
 682         }
 683
 684         if (!module->vendor) {
 685                 TDM_ERR("TDM backend doesn't have vendor");
 686                 return TDM_ERROR_BAD_MODULE;
 687         }
 688
 689         major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
 690         minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
 691
 692         TDM_INFO("TDM module name: %s", module->name);
 693         TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
 694         TDM_INFO("'%s' version: %d.%d", module->name, major, minor);
 695
 696         if (major != TDM_MAJOR_VERSION) {
 697                 TDM_ERR("'%s' major version mismatch, %d != %d",
 698                                 module->name, major, TDM_MAJOR_VERSION);
 699                 return TDM_ERROR_BAD_MODULE;
 700         }
 701
 702         if (minor > TDM_MINOR_VERSION) {
 703                 TDM_ERR("'%s' minor version(%d) is newer than %d",
 704                                 module->name, minor, TDM_MINOR_VERSION);
 705                 return TDM_ERROR_BAD_MODULE;
 706         }
 707
 708         if (!module->init) {
 709                 TDM_ERR("'%s' doesn't have init function", module->name);
 710                 return TDM_ERROR_BAD_MODULE;
 711         }
 712
 713         if (!module->deinit) {
 714                 TDM_ERR("'%s' doesn't have deinit function", module->name);
 715                 return TDM_ERROR_BAD_MODULE;
 716         }
 717
 718         return TDM_ERROR_NONE;
 719 }
 720
 721 static tdm_error
 722 _tdm_display_check_backend_functions(tdm_private_module *private_module)
 723 {
 724         tdm_func_display *func_display = &private_module->func_display;
 725         tdm_func_output *func_output = &private_module->func_output;
 726         tdm_func_layer *func_layer = &private_module->func_layer;
 727         tdm_error ret;
 728
 729         /* below functions should be implemented in backend side */
 730
 731         TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
 732         TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capability, TDM_ERROR_BAD_MODULE);
 733         TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
 734         TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
 735         TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
 736         TDM_RETURN_VAL_IF_FAIL(func_output->output_wait_vblank, TDM_ERROR_BAD_MODULE);
 737         TDM_RETURN_VAL_IF_FAIL(func_output->output_set_vblank_handler, TDM_ERROR_BAD_MODULE);
 738         TDM_RETURN_VAL_IF_FAIL(func_output->output_commit, TDM_ERROR_BAD_MODULE);
 739         TDM_RETURN_VAL_IF_FAIL(func_output->output_set_commit_handler, TDM_ERROR_BAD_MODULE);
 740         TDM_RETURN_VAL_IF_FAIL(func_output->output_set_mode, TDM_ERROR_BAD_MODULE);
 741         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
 742         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_set_info, TDM_ERROR_BAD_MODULE);
 743         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_info, TDM_ERROR_BAD_MODULE);
 744         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_set_buffer, TDM_ERROR_BAD_MODULE);
 745         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_unset_buffer, TDM_ERROR_BAD_MODULE);
 746
 747         ret = func_display->display_get_capability(private_module->bdata, &private_module->caps_display);
 748         if (ret != TDM_ERROR_NONE) {
 749                 TDM_ERR("display_get_capability() failed");
 750                 return TDM_ERROR_BAD_MODULE;
 751         }
 752
 753         if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
 754                 tdm_func_pp *func_pp = &private_module->func_pp;
 755                 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
 756                 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
 757                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
 758                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
 759                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
 760         }
 761
 762         if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
 763                 tdm_func_capture *func_capture = &private_module->func_capture;
 764                 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
 765                 if (private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT)
 766                         TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
 767                 if (private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_LAYER)
 768                         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
 769                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
 770                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
 771                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
 772         }
 773
 774         return TDM_ERROR_NONE;
 775 }
 776
 777 static tdm_error
 778 _tdm_display_load_module_with_file(tdm_private_display *private_display,
 779                                                                    const char *file)
 780 {
 781         char path[TDM_PATH_LEN] = {0,};
 782         void *module = NULL;
 783         tdm_backend_module *module_data;
 784         tdm_backend_data *bdata = NULL;
 785         tdm_private_module *private_module = NULL;
 786         tdm_error ret;
 787         double stamp;
 788         int size;
 789
 790         size = snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
 791         if (size >= (int)sizeof(path)) {
 792                 TDM_WRN("too long: %s/%s", TDM_MODULE_PATH, file);
 793                 return TDM_ERROR_BAD_MODULE;
 794         };
 795
 796         private_module = calloc(1, sizeof *private_module);
 797         if (!private_module) {
 798                 TDM_ERR("alloc failed: %m");
 799                 ret = TDM_ERROR_OUT_OF_MEMORY;
 800                 goto failed_load;
 801         }
 802
 803         private_module->private_display = private_display;
 804
 805         stamp = tdm_helper_get_time();
 806
 807         TDM_TRACE_BEGIN("TDM_Load_Backend");
 808         module = dlopen(path, RTLD_LAZY);
 809         if (!module) {
 810                 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
 811                 TDM_TRACE_END();
 812                 ret = TDM_ERROR_BAD_MODULE;
 813                 goto failed_load;
 814         }
 815
 816         private_module->module = module;
 817
 818         module_data = dlsym(module, "tdm_backend_module_data");
 819         if (!module_data) {
 820                 TDM_ERR("'%s' doesn't have data object", file);
 821                 ret = TDM_ERROR_BAD_MODULE;
 822                 TDM_TRACE_END();
 823                 goto failed_load;
 824         }
 825         TDM_TRACE_END();
 826
 827         private_module->module_data = module_data;
 828
 829         TDM_DBG("dlopen, dlsym time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 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                 TDM_ERR("backend(%s) load failed: check module error", module_data->name);
 835                 goto failed_load;
 836         }
 837
 838         private_display->current_module = private_module;
 839
 840         /* We don't care if backend_data is NULL or not. It's up to backend. */
 841         TDM_TRACE_BEGIN("TDM_Init_Backend");
 842         stamp = tdm_helper_get_time();
 843         bdata = module_data->init((tdm_display *)private_display, &ret);
 844         TDM_DBG("backend init() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 845         TDM_TRACE_END();
 846
 847         private_display->current_module = NULL;
 848
 849         private_module->bdata = bdata;
 850
 851         if (ret != TDM_ERROR_NONE) {
 852                 TDM_ERR("backend(%s) load failed: init error", module_data->name);
 853                 goto failed_load;
 854         }
 855
 856         ret = _tdm_display_check_backend_functions(private_module);
 857         if (ret != TDM_ERROR_NONE) {
 858                 TDM_ERR("backend(%s) load failed: check functions error", module_data->name);
 859                 goto failed_load;
 860         }
 861
 862         LIST_INITHEAD(&private_module->output_list);
 863         LIST_INITHEAD(&private_module->pp_list);
 864         LIST_INITHEAD(&private_module->capture_list);
 865
 866         LIST_ADDTAIL(&private_module->link, &private_display->module_list);
 867
 868         TDM_INFO("Success to load '%s' module", module_data->name);
 869
 870         return TDM_ERROR_NONE;
 871 failed_load:
 872         if (bdata)
 873                 module_data->deinit(bdata);
 874         if (module)
 875                 dlclose(module);
 876         if (private_module)
 877                 free(private_module);
 878         return ret;
 879 }
 880
 881 static tdm_error
 882 _tdm_display_load_modules(tdm_private_display *private_display)
 883 {
 884         const char *module_names;
 885         tdm_error ret = 0;
 886         char temp[TDM_PATH_LEN];
 887         char *arg;
 888         char *end;
 889
 890         LIST_INITHEAD(&private_display->module_list);
 891
 892         module_names = tdm_config_get_string(TDM_CONFIG_KEY_GENERAL_BACKENDS, TDM_DEFAULT_MODULE);
 893
 894         snprintf(temp, TDM_PATH_LEN, "%s", module_names);
 895
 896         arg = strtok_r(temp, TDM_CONFIG_DELIM, &end);
 897         while (arg) {
 898                 TDM_INFO("loading a %s backend", arg);
 899                 ret = _tdm_display_load_module_with_file(private_display, arg);
 900                 if (ret == TDM_ERROR_NONE)
 901                         TDM_INFO("%s backend loading success", arg);
 902                 else
 903                         TDM_INFO("%s backend loading failed", arg);
 904                 arg = strtok_r(NULL, TDM_CONFIG_DELIM, &end);
 905         }
 906
 907         /* load bufmgr priv from dummy lib */
 908         if (LIST_IS_EMPTY(&private_display->module_list)) {
 909                 TDM_WRN("No backend. loading a %s backend", TDM_DUMMY_MODULE);
 910                 ret = _tdm_display_load_module_with_file(private_display, TDM_DUMMY_MODULE);
 911                 if (ret == TDM_ERROR_NONE)
 912                         TDM_INFO("%s backend loading success", TDM_DUMMY_MODULE);
 913                 else
 914                         TDM_INFO("%s backend loading failed", TDM_DUMMY_MODULE);
 915         }
 916
 917         return ret;
 918 }
 919
 920 static void
 921 _tdm_display_unload_modules(tdm_private_display *private_display)
 922 {
 923         tdm_private_module *private_module = NULL, *bb = NULL;
 924
 925         LIST_FOR_EACH_ENTRY_SAFE(private_module, bb, &private_display->module_list, link) {
 926                 LIST_DEL(&private_module->link);
 927
 928                 if (private_module->module_data)
 929                         private_module->module_data->deinit(private_module->bdata);
 930                 if (private_module->module)
 931                         dlclose(private_module->module);
 932
 933                 free(private_module);
 934         }
 935 }
 936 /* LCOV_EXCL_STOP */
 937
 938 EXTERN tdm_display *
 939 tdm_display_init(tdm_error *error)
 940 {
 941         tdm_private_display *private_display = NULL;
 942         const char *str;
 943         tdm_error ret;
 944         double stamp1, stamp2, start;
 945         int mode;
 946
 947         pthread_mutex_lock(&gLock);
 948
 949         if (g_private_display) {
 950                 g_private_display->init_count++;
 951                 pthread_mutex_unlock(&gLock);
 952                 if (error)
 953                         *error = TDM_ERROR_NONE;
 954                 return g_private_display;
 955         }
 956
 957         start = stamp1 = tdm_helper_get_time();
 958
 959         stamp2 = tdm_helper_get_time();
 960         TDM_INFO("config init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 961         stamp1 = stamp2;
 962
 963         private_display = calloc(1, sizeof(tdm_private_display));
 964         if (!private_display) {
 965                 /* LCOV_EXCL_START */
 966                 ret = TDM_ERROR_OUT_OF_MEMORY;
 967                 TDM_ERR("'private_display != NULL' failed");
 968                 goto failed_alloc;
 969                 /* LCOV_EXCL_STOP */
 970         }
 971
 972         private_display->stamp = tdm_helper_get_time();
 973
 974         str = tdm_config_get_string(TDM_CONFIG_KEY_DEBUG_MODULE, NULL);
 975         if (str)
 976                 tdm_display_enable_debug_module(str);
 977
 978         str = tdm_config_get_string(TDM_CONFIG_KEY_DEBUG_DUMP, NULL);
 979         if (str)
 980                 tdm_display_enable_dump(private_display, str, NULL, NULL);
 981
 982         if (pthread_mutex_init(&private_display->lock, NULL)) {
 983                 /* LCOV_EXCL_START */
 984                 ret = TDM_ERROR_OPERATION_FAILED;
 985                 TDM_ERR("mutex init failed: %m");
 986                 goto failed_mutex_init;
 987                 /* LCOV_EXCL_STOP */
 988         }
 989
 990         _pthread_mutex_lock(&private_display->lock);
 991
 992         stamp2 = tdm_helper_get_time();
 993         TDM_DBG("prepare init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 994         stamp1 = stamp2;
 995
 996         ret = tdm_event_loop_init(private_display);
 997         if (ret != TDM_ERROR_NONE)
 998                 goto failed_event;
 999
1000         stamp2 = tdm_helper_get_time();
1001         TDM_INFO("event loop init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1002         stamp1 = stamp2;
1003
1004         ret = tdm_vblank_init(private_display);
1005         if (ret != TDM_ERROR_NONE)
1006                 goto failed_vblank;
1007
1008         ret = tdm_output_init(private_display);
1009         if (ret != TDM_ERROR_NONE)
1010                 goto failed_load;
1011
1012         ret = tdm_pp_init(private_display);
1013         if (ret != TDM_ERROR_NONE)
1014                 goto failed_load;
1015
1016         ret = tdm_capture_init(private_display);
1017         if (ret != TDM_ERROR_NONE)
1018                 goto failed_load;
1019
1020         ret = _tdm_display_load_modules(private_display);
1021         if (ret != TDM_ERROR_NONE)
1022                 goto failed_load;
1023
1024         stamp2 = tdm_helper_get_time();
1025         TDM_INFO("loading backend time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1026         stamp1 = stamp2;
1027
1028 #ifdef INIT_BUFMGR
1029         int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
1030         if (tdm_drm_fd >= 0) {
1031                 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
1032                 close(tdm_drm_fd);
1033                 if (!private_display->bufmgr) {
1034                         TDM_ERR("tbm_bufmgr_init failed");
1035                         goto failed_update;
1036                 } else {
1037                         TDM_INFO("tbm_bufmgr_init successed");
1038                 }
1039
1040                 stamp2 = tdm_helper_get_time();
1041                 TDM_DBG("initializing bufmgr time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1042                 stamp1 = stamp2;
1043         }
1044 #endif
1045
1046         TDM_TRACE_BEGIN("TDM_Update_Display");
1047         ret = _tdm_display_update(private_display);
1048         TDM_TRACE_END();
1049         if (ret != TDM_ERROR_NONE)
1050                 goto failed_update;
1051
1052         stamp2 = tdm_helper_get_time();
1053         TDM_DBG("updating display time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1054         stamp1 = stamp2;
1055
1056         tdm_event_loop_create_backend_source(private_display);
1057
1058         private_display->init_count = 1;
1059         g_private_display = private_display;
1060
1061         tdm_private_module *b = NULL;
1062         tdm_private_output *o = NULL;
1063         LIST_FOR_EACH_ENTRY(b, &private_display->module_list, link) {
1064                 LIST_FOR_EACH_ENTRY(o, &b->output_list, link) {
1065                         if (o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1066                                 tdm_output_need_validate_event_init(o);
1067                 }
1068         }
1069
1070         /* the COMMIT_PER_VBLANK functionality is ability of an output to support
1071          * several operational modes (commit_per_vblank modes) related to tdm_commit;
1072          * this functionality can be turned off which means a default mode */
1073         mode = tdm_config_get_int(TDM_CONFIG_KEY_GENERAL_COMMIT_PER_VBLANK, 0);
1074         if (mode > 0) {
1075                 tdm_private_module *b = NULL;
1076                 tdm_private_output *o = NULL;
1077
1078                 /* outputs which support hwc capability can work only
1079                  * if commit_per_vblank mode is '0' (default mode) */
1080                 LIST_FOR_EACH_ENTRY(b, &private_display->module_list, link) {
1081                         LIST_FOR_EACH_ENTRY(o, &b->output_list, link) {
1082                                 if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
1083                                         tdm_output_choose_commit_per_vblank_mode(o, mode);
1084                         }
1085                 }
1086         }
1087
1088         if (error)
1089                 *error = TDM_ERROR_NONE;
1090
1091         _pthread_mutex_unlock(&private_display->lock);
1092         pthread_mutex_unlock(&gLock);
1093
1094         TDM_INFO("init time: %.3f ms", (tdm_helper_get_time() - start) * 1000.0);
1095
1096         return (tdm_display *)private_display;
1097
1098 /* LCOV_EXCL_START */
1099 failed_update:
1100         _tdm_display_unload_modules(private_display);
1101 failed_load:
1102         tdm_vblank_deinit(private_display);
1103 failed_vblank:
1104         tdm_event_loop_stop(private_display);
1105         tdm_event_loop_deinit(private_display);
1106 failed_event:
1107         _pthread_mutex_unlock(&private_display->lock);
1108         pthread_mutex_destroy(&private_display->lock);
1109 failed_mutex_init:
1110         free(private_display);
1111 failed_alloc:
1112         if (error)
1113                 *error = ret;
1114         pthread_mutex_unlock(&gLock);
1115         return NULL;
1116 /* LCOV_EXCL_STOP */
1117 }
1118
1119 EXTERN void
1120 tdm_display_deinit(tdm_display *dpy)
1121 {
1122         tdm_private_display *private_display = dpy;
1123
1124         if (!private_display)
1125                 return;
1126
1127         TDM_RETURN_IF_FAIL(tdm_display_is_valid(dpy));
1128
1129         pthread_mutex_lock(&gLock);
1130
1131         private_display->init_count--;
1132         if (private_display->init_count > 0) {
1133                 pthread_mutex_unlock(&gLock);
1134                 return;
1135         }
1136
1137         /* dont move the position of lock/unlock. all resource should be protected
1138          * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1139          * things because it's finalized.
1140          */
1141         _pthread_mutex_lock(&private_display->lock);
1142         tdm_event_loop_stop(private_display);
1143         _pthread_mutex_unlock(&private_display->lock);
1144
1145         tdm_event_loop_deinit(private_display);
1146
1147         /* when private_output is destroyed, all vblank resources of client and server
1148          * are destroyed. Then we can call tdm_vblank_deinit. After destroying display,
1149          * we can unload backend modulues.
1150          */
1151         _tdm_display_destroy_private_display(private_display);
1152         _tdm_display_unload_modules(private_display);
1153
1154         tdm_vblank_deinit(private_display);
1155
1156 #ifdef INIT_BUFMGR
1157         if (private_display->bufmgr)
1158                 tbm_bufmgr_deinit(private_display->bufmgr);
1159 #endif
1160
1161         tbm_drm_helper_unset_tbm_master_fd();
1162
1163         pthread_mutex_destroy(&private_display->lock);
1164         free(private_display);
1165         g_private_display = NULL;
1166
1167         if (tdm_debug_dump_dir) {
1168                 free(tdm_debug_dump_dir);
1169                 tdm_debug_dump_dir = NULL;
1170         }
1171
1172         tdm_config_deinit();
1173
1174         pthread_mutex_unlock(&gLock);
1175
1176         TDM_INFO("done");
1177 }
1178
1179 INTERN tdm_private_display *
1180 tdm_display_get(void)
1181 {
1182         return g_private_display;
1183 }
1184
1185 INTERN int
1186 tdm_display_is_valid(tdm_display *dpy)
1187 {
1188         if (dpy != NULL && dpy == g_private_display)
1189                 return 1;
1190         return 0;
1191 }
1192
1193 INTERN int
1194 tdm_output_is_valid(tdm_output *output)
1195 {
1196         tdm_private_module *b = NULL;
1197         tdm_private_output *o = NULL;
1198
1199         if (!output || !g_private_display)
1200                 return 0;
1201
1202         LIST_FOR_EACH_ENTRY(b, &g_private_display->module_list, link) {
1203                 LIST_FOR_EACH_ENTRY(o, &b->output_list, link)
1204                         if (o == output)
1205                                 return 1;
1206         }
1207
1208         return 0;
1209 }
1210
1211 /* LCOV_EXCL_START */
1212 INTERN int
1213 tdm_module_check_abi(tdm_private_module *private_module, int abimaj, int abimin)
1214 {
1215         tdm_backend_module *module = private_module->module_data;
1216
1217         if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
1218                 return 0;
1219
1220         if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)
1221                 return 0;
1222
1223         return 1;
1224 }
1225
1226 INTERN tdm_error
1227 tdm_display_enable_debug_module(const char*modules)
1228 {
1229         char temp[TDM_PATH_LEN];
1230         char *arg;
1231         char *end;
1232
1233         snprintf(temp, TDM_PATH_LEN, "%s", modules);
1234
1235         tdm_debug_module = 0;
1236
1237         arg = strtok_r(temp, TDM_CONFIG_DELIM, &end);
1238         while (arg) {
1239                 if (!strncmp(arg, "none", 4)) {
1240                         tdm_debug_module = 0;
1241                         return TDM_ERROR_NONE;
1242                 }
1243                 if (!strncmp(arg, "all", 3)) {
1244                         tdm_debug_module = 0xFFFFFFFF;
1245                         return TDM_ERROR_NONE;
1246                 }
1247                 if (!strncmp(arg, "buffer", 6))
1248                         tdm_debug_module |= TDM_DEBUG_BUFFER;
1249                 else if (!strncmp(arg, "event", 5))
1250                         tdm_debug_module |= TDM_DEBUG_EVENT;
1251                 else if (!strncmp(arg, "thread", 6))
1252                         tdm_debug_module |= TDM_DEBUG_THREAD;
1253                 else if (!strncmp(arg, "mutex", 5))
1254                         tdm_debug_module |= TDM_DEBUG_MUTEX;
1255                 else if (!strncmp(arg, "vblank", 6))
1256                         tdm_debug_module |= TDM_DEBUG_VBLANK;
1257                 else if (!strncmp(arg, "commit", 6))
1258                         tdm_debug_module |= TDM_DEBUG_COMMIT;
1259
1260                 arg = strtok_r(NULL, TDM_CONFIG_DELIM, &end);
1261         }
1262
1263         TDM_INFO("module debugging... '%s'", modules);
1264
1265         return TDM_ERROR_NONE;
1266 }
1267
1268 INTERN tdm_error
1269 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len)
1270 {
1271         char temp[TDM_PATH_LEN] = {0,}, temp2[TDM_PATH_LEN] = {0,};
1272         char *path = NULL, *path2;
1273         char *arg;
1274         char *end;
1275
1276         snprintf(temp2, TDM_PATH_LEN, "%s", dump_str);
1277         path2 = strtostr(temp, TDM_PATH_LEN, temp2, "@");
1278         if (!path2 || path2[0] == '\0')
1279                 path2 = TDM_DUMP_DIR;
1280         else
1281                 path2++;
1282
1283         tdm_debug_dump = 0;
1284
1285         snprintf(temp, sizeof(temp), "%s", dump_str);
1286         arg = strtok_r(temp, ",", &end);
1287         TDM_GOTO_IF_FAIL(arg != NULL, done);
1288
1289         if (!strncmp(arg, "none", 4)) {
1290                 tdm_debug_dump = 0;
1291                 TDM_SNPRINTF(reply, len, "path: %s\n", (tdm_debug_dump_dir) ? : "unknown");
1292                 if (tdm_debug_dump_dir) {
1293                         free(tdm_debug_dump_dir);
1294                         tdm_debug_dump_dir = NULL;
1295                 }
1296                 goto done;
1297         }
1298
1299         path = tdm_helper_dump_make_directory(path2, reply, len);
1300         TDM_GOTO_IF_FAIL(path != NULL, done);
1301
1302         if (!strncmp(arg, "current", 7)) {
1303                 tdm_private_module *b = NULL;
1304                 tdm_private_output *o = NULL;
1305
1306                 if (!private_display) {
1307                         TDM_WRN("no private_display");
1308                         goto done;
1309                 }
1310
1311                 LIST_FOR_EACH_ENTRY(b, &private_display->module_list, link) {
1312                         LIST_FOR_EACH_ENTRY(o, &b->output_list, link) {
1313                                 tdm_private_layer *l = NULL;
1314                                 LIST_FOR_EACH_ENTRY(l, &o->layer_list, link) {
1315                                         char str[TDM_PATH_LEN];
1316                                         if (l->usable || l->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)
1317                                                 continue;
1318                                         if (!l->showing_buffer)
1319                                                 continue;
1320                                         snprintf(str, TDM_PATH_LEN, "layer_%d_%d", o->index, l->index);
1321                                         tdm_helper_dump_buffer_str(l->showing_buffer->buffer, path, str);
1322                                 }
1323                         }
1324                 }
1325
1326                 TDM_SNPRINTF(reply, len, "path: %s\n", path);
1327                 goto done;
1328         }
1329
1330         TDM_SNPRINTF(reply, len, "dump: %s\n", arg);
1331
1332         while (arg) {
1333                 if (!strncmp(arg, "all", 3)) {
1334                         tdm_debug_dump = 0xFFFFFFFF;
1335                         goto done;
1336                 } else if (!strncmp(arg, "layer", 5)) {
1337                         tdm_debug_dump |= TDM_DUMP_FLAG_LAYER;
1338                 } else if (!strncmp(arg, "pp", 2)) {
1339                         tdm_debug_dump |= TDM_DUMP_FLAG_PP;
1340                 } else if (!strncmp(arg, "capture", 7)) {
1341                         tdm_debug_dump |= TDM_DUMP_FLAG_CAPTURE;
1342                 } else if (!strncmp(arg, "window", 6)) {
1343                         tdm_debug_dump |= TDM_DUMP_FLAG_WINDOW;
1344                 } else
1345                         goto done;
1346
1347                 arg = strtok_r(NULL, ",", &end);
1348         }
1349
1350         if (tdm_debug_dump_dir)
1351                 free(tdm_debug_dump_dir);
1352
1353         tdm_debug_dump_dir = strndup(path, TDM_PATH_LEN);
1354
1355         TDM_INFO("dump... '%s'", dump_str);
1356
1357 done:
1358         if (path)
1359                 free(path);
1360
1361         return TDM_ERROR_NONE;
1362 }
1363
1364 static void
1365 _tdm_display_ttrace_vblank_cb(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
1366                                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
1367 {
1368         tdm_error ret = TDM_ERROR_NONE;
1369
1370         TDM_TRACE_MARK("VSYNC");
1371
1372         ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1373         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1374 }
1375
1376 INTERN tdm_error
1377 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable)
1378 {
1379         tdm_private_display *private_display = dpy;
1380         tdm_private_module *private_module = NULL;
1381         tdm_private_output *private_output = NULL;
1382         const tdm_output_mode *mode = NULL;
1383         tdm_vblank *vblank = NULL;
1384         tdm_error ret = TDM_ERROR_NONE;
1385
1386         if (!enable) {
1387                 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
1388                         LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
1389                                 if (private_output->ttrace_vblank)
1390                                         tdm_vblank_destroy(private_output->ttrace_vblank);
1391                                 private_output->ttrace_vblank = NULL;
1392                         }
1393                 }
1394                 return TDM_ERROR_NONE;
1395         }
1396
1397         private_output = output;
1398         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1399
1400         if (private_output->ttrace_vblank)
1401                 return TDM_ERROR_NONE;
1402
1403         vblank = tdm_vblank_create(private_display, output, &ret);
1404         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, ret);
1405
1406         ret = tdm_output_get_mode(output, &mode);
1407         TDM_GOTO_IF_FAIL(mode != NULL, enable_fail);
1408
1409         ret = tdm_vblank_set_fps(vblank, mode->vrefresh);
1410         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1411
1412         ret = tdm_vblank_set_enable_fake(vblank, 1);
1413         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1414
1415         ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1416         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1417
1418         private_output->ttrace_vblank = vblank;
1419
1420         return TDM_ERROR_NONE;
1421
1422 enable_fail:
1423         if (vblank)
1424                 tdm_vblank_destroy(vblank);
1425
1426         return ret;
1427 }
1428
1429 INTERN tdm_error
1430 tdm_display_enable_ttrace(tdm_private_display *private_display, const char *ttrace, int output_id, char *reply, int *len)
1431 {
1432         char temp[TDM_PATH_LEN];
1433         char *arg;
1434         char *end;
1435         tdm_output *output;
1436         tdm_error ret;
1437         tdm_output_type type;
1438
1439         snprintf(temp, TDM_PATH_LEN, "%s", ttrace);
1440
1441         tdm_ttrace_output = output_id;
1442         tdm_ttrace_module = 0;
1443
1444         output = tdm_display_get_output(private_display, output_id, &ret);
1445         if (!output) {
1446                 TDM_SNPRINTF(reply, len, "can't find the output_id(%d)\n", output_id);
1447                 return ret;
1448         }
1449
1450         ret = tdm_output_get_output_type(output, &type);
1451         if (ret != TDM_ERROR_NONE) {
1452                 TDM_SNPRINTF(reply, len, "can't find the type of output_id(%d)\n", output_id);
1453                 return ret;
1454         }
1455
1456         arg = strtok_r(temp, TDM_CONFIG_DELIM, &end);
1457         while (arg) {
1458                 if (!strncmp(arg, "none", 4))
1459                         tdm_ttrace_module = 0;
1460                 else if (!strncmp(arg, "all", 3))
1461                         tdm_ttrace_module = 0xFFFFFFFF;
1462                 else if (!strncmp(arg, "vsync", 5))
1463                         tdm_ttrace_module |= TDM_TTRACE_VSYNC;
1464                 else if (!strncmp(arg, "client_vblank", 13))
1465                         tdm_ttrace_module |= TDM_TTRACE_CLIENT_VBLANK;
1466                 else if (!strncmp(arg, "server_vblank", 13))
1467                         tdm_ttrace_module |= TDM_TTRACE_SERVER_VBLANK;
1468                 else if (!strncmp(arg, "vblank", 6))
1469                         tdm_ttrace_module |= TDM_TTRACE_VBLANK;
1470                 else if (!strncmp(arg, "layer", 5))
1471                         tdm_ttrace_module |= TDM_TTRACE_LAYER;
1472                 else if (!strncmp(arg, "pp", 2))
1473                         tdm_ttrace_module |= TDM_TTRACE_PP;
1474                 else if (!strncmp(arg, "capture", 7))
1475                         tdm_ttrace_module |= TDM_TTRACE_CAPTURE;
1476                 else  {
1477                         tdm_ttrace_module = 0;
1478                         tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
1479                         tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
1480                         TDM_SNPRINTF(reply, len, "unknown option: '%s'\n", arg);
1481                         return TDM_ERROR_NONE;
1482                 }
1483
1484                 arg = strtok_r(NULL, TDM_CONFIG_DELIM, &end);
1485         }
1486
1487         TDM_SNPRINTF(reply, len, "ttrace debugging... '%s' %x\n", ttrace, tdm_ttrace_module);
1488
1489         if (tdm_ttrace_module & TDM_TTRACE_VSYNC)
1490                 tdm_display_enable_ttrace_vblank(private_display, output, 1);
1491         else
1492                 tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
1493
1494         if (tdm_ttrace_module & TDM_TTRACE_CLIENT_VBLANK)
1495                 tdm_server_enable_ttrace_client_vblank(private_display, output, 1);
1496         else
1497                 tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
1498
1499         return TDM_ERROR_NONE;
1500 }
1501
1502 INTERN tdm_error
1503 tdm_display_enable_fps(tdm_private_display *private_display, int enable)
1504 {
1505         private_display->print_fps = enable;
1506
1507         TDM_INFO("print fps: %s", (enable) ? "enable" : "disable");
1508
1509         return TDM_ERROR_NONE;
1510 }
1511 /* LCOV_EXCL_STOP */