src/tdm.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   7  * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
   8  *          JinYoung Jeon <jy0.jeon@samsung.com>,
   9  *          Taeheon Kim <th908.kim@samsung.com>,
  10  *          YoungJun Cho <yj44.cho@samsung.com>,
  11  *          SooChan Lim <sc1.lim@samsung.com>,
  12  *          Boram Park <sc1.lim@samsung.com>
  13  *
  14  * Permission is hereby granted, free of charge, to any person obtaining a
  15  * copy of this software and associated documentation files (the
  16  * "Software"), to deal in the Software without restriction, including
  17  * without limitation the rights to use, copy, modify, merge, publish,
  18  * distribute, sub license, and/or sell copies of the Software, and to
  19  * permit persons to whom the Software is furnished to do so, subject to
  20  * the following conditions:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  29  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  30  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  31  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  32  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33  *
  34 **************************************************************************/
  35
  36 #ifdef HAVE_CONFIG_H
  37 #include "config.h"
  38 #endif
  39
  40 #include "tdm_private.h"
  41
  42 pthread_mutex_t tdm_mutex_check_lock = PTHREAD_MUTEX_INITIALIZER;
  43 int tdm_mutex_locked;
  44 const char *tdm_mutex_lock_func;
  45 int tdm_mutex_lock_line;
  46 const char *tdm_mutex_unlock_func;
  47 int tdm_mutex_unlock_line;
  48
  49 /* LCOV_EXCL_START */
  50 static tdm_private_layer *
  51 _tdm_display_find_private_layer(tdm_private_output *private_output,
  52                                                                 tdm_layer *layer_backend)
  53 {
  54         tdm_private_layer *private_layer = NULL;
  55
  56         LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
  57                 if (private_layer->layer_backend == layer_backend)
  58                         return private_layer;
  59         }
  60
  61         return NULL;
  62 }
  63
  64 static tdm_private_output *
  65 _tdm_display_find_private_output(tdm_private_display *private_display,
  66                                                                  tdm_output *output_backend)
  67 {
  68         tdm_private_output *private_output = NULL;
  69
  70         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
  71                 if (private_output->output_backend == output_backend)
  72                         return private_output;
  73         }
  74
  75         return NULL;
  76 }
  77
  78 INTERN tdm_private_output *
  79 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp)
  80 {
  81         tdm_private_output *private_output = NULL;
  82
  83         LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
  84                 if (private_output->stamp == stamp)
  85                         return private_output;
  86         }
  87
  88         return NULL;
  89 }
  90
  91 static void
  92 _tdm_display_destroy_caps_pp(tdm_caps_pp *caps_pp)
  93 {
  94         if (caps_pp->formats)
  95                 free(caps_pp->formats);
  96
  97         memset(caps_pp, 0, sizeof(tdm_caps_pp));
  98 }
  99
 100 static void
 101 _tdm_display_destroy_caps_capture(tdm_caps_capture *caps_capture)
 102 {
 103         if (caps_capture->formats)
 104                 free(caps_capture->formats);
 105
 106         memset(caps_capture, 0, sizeof(tdm_caps_capture));
 107 }
 108
 109 static void
 110 _tdm_display_destroy_caps_layer(tdm_caps_layer *caps_layer)
 111 {
 112         if (caps_layer->formats)
 113                 free(caps_layer->formats);
 114
 115         if (caps_layer->props)
 116                 free(caps_layer->props);
 117
 118         memset(caps_layer, 0, sizeof(tdm_caps_layer));
 119 }
 120
 121 static void
 122 _tdm_display_destroy_caps_output(tdm_caps_output *caps_output)
 123 {
 124         if (caps_output->modes)
 125                 free(caps_output->modes);
 126
 127         if (caps_output->props)
 128                 free(caps_output->props);
 129
 130         memset(caps_output, 0, sizeof(tdm_caps_output));
 131 }
 132
 133 static void
 134 _tdm_display_destroy_private_layer(tdm_private_layer *private_layer)
 135 {
 136         tdm_private_capture *c = NULL, *cc = NULL;
 137
 138         LIST_DEL(&private_layer->link);
 139
 140         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_layer->capture_list, link)
 141         tdm_capture_destroy_internal(c);
 142
 143         _tdm_display_destroy_caps_layer(&private_layer->caps);
 144
 145         free(private_layer);
 146 }
 147
 148 static void
 149 _tdm_display_destroy_private_output(tdm_private_output *private_output)
 150 {
 151         tdm_private_display *private_display = private_output->private_display;
 152         tdm_private_layer *l = NULL, *ll = NULL;
 153         tdm_private_hwc_window *hw = NULL, *hww = NULL;
 154         tdm_private_capture *c = NULL, *cc = NULL;
 155         tdm_private_vblank_handler *v = NULL, *vv = NULL;
 156         tdm_private_output_commit_handler *om = NULL, *omm = NULL;
 157         tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
 158         tdm_private_change_handler *h = NULL, *hh = NULL;
 159
 160         LIST_DEL(&private_output->link);
 161
 162         free(private_output->layers_ptr);
 163
 164         LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
 165                 LIST_DEL(&v->link);
 166                 free(v);
 167         }
 168
 169         LIST_FOR_EACH_ENTRY_SAFE(om, omm, &private_output->output_commit_handler_list, link) {
 170                 LIST_DEL(&om->link);
 171                 free(om);
 172         }
 173
 174         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
 175                 LIST_DEL(&lm->link);
 176                 free(lm);
 177         }
 178
 179         LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
 180                 LIST_DEL(&lm->link);
 181                 free(lm);
 182         }
 183
 184         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_main, link) {
 185                 LIST_DEL(&h->link);
 186                 free(h);
 187         }
 188
 189         LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_sub, link) {
 190                 LIST_DEL(&h->link);
 191                 free(h);
 192         }
 193
 194         if (private_output->vblank) {
 195                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 196                 _pthread_mutex_unlock(&private_display->lock);
 197                 tdm_vblank_destroy(private_output->vblank);
 198                 _pthread_mutex_lock(&private_display->lock);
 199         }
 200
 201         if (private_output->ttrace_vblank) {
 202                 /* tdm_vblank APIs is for server. it should be called in unlock status*/
 203                 _pthread_mutex_unlock(&private_display->lock);
 204                 tdm_vblank_destroy(private_output->ttrace_vblank);
 205                 _pthread_mutex_lock(&private_display->lock);
 206         }
 207
 208         LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_output->capture_list, link)
 209         tdm_capture_destroy_internal(c);
 210
 211         LIST_FOR_EACH_ENTRY_SAFE(hw, hww, &private_output->hwc_window_list, link)
 212         tdm_hwc_window_destroy_internal(hw);
 213
 214         LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
 215         _tdm_display_destroy_private_layer(l);
 216
 217         _tdm_display_destroy_caps_output(&private_output->caps);
 218
 219         if (private_output->dpms_changed_timer)
 220                 tdm_event_loop_source_remove(private_output->dpms_changed_timer);
 221
 222         tdm_event_loop_source_remove(private_output->need_validate.event_source);
 223         close(private_output->need_validate.event_fd);
 224
 225         private_output->stamp = 0;
 226         free(private_output);
 227 }
 228
 229 static void
 230 _tdm_display_destroy_private_display(tdm_private_display *private_display)
 231 {
 232         tdm_private_output *o = NULL, *oo = NULL;
 233         tdm_private_pp *p = NULL, *pp = NULL;
 234
 235         free(private_display->outputs_ptr);
 236         if (private_display->outputs) {
 237                 free(private_display->outputs);
 238                 private_display->outputs = NULL;
 239         }
 240
 241         LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_display->pp_list, link)
 242         tdm_pp_destroy_internal(p);
 243
 244         LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_display->output_list, link)
 245         _tdm_display_destroy_private_output(o);
 246
 247         _tdm_display_destroy_caps_pp(&private_display->caps_pp);
 248         _tdm_display_destroy_caps_capture(&private_display->caps_capture);
 249
 250         private_display->capabilities = 0;
 251         private_display->caps_display.max_layer_count = 0;
 252 }
 253
 254 static tdm_error
 255 _tdm_display_update_caps_pp(tdm_private_display *private_display,
 256                                                         tdm_caps_pp *caps)
 257 {
 258         tdm_func_display *func_display = &private_display->func_display;
 259         tdm_error ret;
 260
 261         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
 262                 return TDM_ERROR_NONE;
 263
 264         if (!func_display->display_get_pp_capability) {
 265                 TDM_ERR("no display_get_pp_capability()");
 266                 return TDM_ERROR_BAD_MODULE;
 267         }
 268
 269         ret = func_display->display_get_pp_capability(private_display->bdata, caps);
 270         if (ret != TDM_ERROR_NONE) {
 271                 TDM_ERR("display_get_pp_capability() failed");
 272                 return TDM_ERROR_BAD_MODULE;
 273         }
 274
 275         return TDM_ERROR_NONE;
 276 }
 277
 278 static tdm_error
 279 _tdm_display_update_caps_capture(tdm_private_display *private_display,
 280                                                                  tdm_caps_capture *caps)
 281 {
 282         tdm_func_display *func_display = &private_display->func_display;
 283         tdm_error ret;
 284
 285         if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
 286                 return TDM_ERROR_NONE;
 287
 288         if (!func_display->display_get_capture_capability) {
 289                 TDM_ERR("no display_get_capture_capability()");
 290                 return TDM_ERROR_BAD_MODULE;
 291         }
 292
 293         ret = func_display->display_get_capture_capability(private_display->bdata, caps);
 294         if (ret != TDM_ERROR_NONE) {
 295                 TDM_ERR("display_get_capture_capability() failed");
 296                 return TDM_ERROR_BAD_MODULE;
 297         }
 298
 299         return TDM_ERROR_NONE;
 300 }
 301
 302 static tdm_error
 303 _tdm_display_update_caps_layer(tdm_private_display *private_display,
 304                                                            tdm_layer *layer_backend, tdm_caps_layer *caps)
 305 {
 306         tdm_func_layer *func_layer = &private_display->func_layer;
 307         tdm_error ret;
 308
 309         if (!func_layer->layer_get_capability) {
 310                 TDM_ERR("no layer_get_capability()");
 311                 return TDM_ERROR_BAD_MODULE;
 312         }
 313
 314         ret = func_layer->layer_get_capability(layer_backend, caps);
 315         if (ret != TDM_ERROR_NONE) {
 316                 TDM_ERR("layer_get_capability() failed");
 317                 return TDM_ERROR_BAD_MODULE;
 318         }
 319
 320         return TDM_ERROR_NONE;
 321 }
 322
 323 static tdm_error
 324 _tdm_display_update_caps_output(tdm_private_display *private_display, int pipe,
 325                                                                 tdm_output *output_backend, tdm_caps_output *caps)
 326 {
 327         tdm_func_output *func_output = &private_display->func_output;
 328         char temp[TDM_NAME_LEN];
 329         tdm_error ret;
 330         double stamp;
 331
 332         if (!func_output->output_get_capability) {
 333                 TDM_ERR("no output_get_capability()");
 334                 return TDM_ERROR_BAD_MODULE;
 335         }
 336
 337         stamp = tdm_helper_get_time();
 338         ret = func_output->output_get_capability(output_backend, caps);
 339         TDM_DBG("backend output_get_capability() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 340
 341         if (ret != TDM_ERROR_NONE) {
 342                 TDM_ERR("output_get_capability() failed");
 343                 return TDM_ERROR_BAD_MODULE;
 344         }
 345
 346         /* FIXME: Use model for tdm client to distinguish amoung outputs */
 347         snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
 348         snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
 349
 350         return TDM_ERROR_NONE;
 351 }
 352
 353 static tdm_error
 354 _tdm_display_update_layer(tdm_private_display *private_display,
 355                                                   tdm_private_output *private_output,
 356                                                   tdm_layer *layer_backend, int index)
 357 {
 358         tdm_private_layer *private_layer;
 359         tdm_error ret;
 360
 361         private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
 362         if (!private_layer) {
 363                 private_layer = calloc(1, sizeof(tdm_private_layer));
 364                 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
 365
 366                 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
 367                 private_layer->index = index;
 368                 private_layer->private_display = private_display;
 369                 private_layer->private_output = private_output;
 370                 private_layer->layer_backend = layer_backend;
 371
 372                 LIST_INITHEAD(&private_layer->capture_list);
 373
 374                 private_layer->usable = 1;
 375         } else
 376                 _tdm_display_destroy_caps_layer(&private_layer->caps);
 377
 378         ret = _tdm_display_update_caps_layer(private_display, layer_backend,
 379                                                                                  &private_layer->caps);
 380         if (ret != TDM_ERROR_NONE)
 381                 goto failed_update;
 382
 383         return TDM_ERROR_NONE;
 384 failed_update:
 385         _tdm_display_destroy_private_layer(private_layer);
 386         return ret;
 387 }
 388
 389 INTERN tdm_error
 390 tdm_display_update_output(tdm_private_display *private_display,
 391                                                   tdm_output *output_backend, int pipe)
 392 {
 393         tdm_func_output *func_output = &private_display->func_output;
 394         tdm_private_output *private_output = NULL;
 395         tdm_layer **layers = NULL;
 396         int layer_count = 0, i;
 397         tdm_error ret;
 398
 399         private_output = _tdm_display_find_private_output(private_display, output_backend);
 400         if (!private_output) {
 401                 private_output = calloc(1, sizeof(tdm_private_output));
 402                 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
 403
 404                 private_output->stamp = tdm_helper_get_time();
 405                 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
 406                         private_output->stamp++;
 407
 408                 LIST_ADDTAIL(&private_output->link, &private_display->output_list);
 409
 410                 private_output->private_display = private_display;
 411                 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
 412                 private_output->output_backend = output_backend;
 413                 private_output->pipe = pipe;
 414                 private_output->index = pipe;
 415
 416                 LIST_INITHEAD(&private_output->layer_list);
 417                 LIST_INITHEAD(&private_output->hwc_window_list);
 418                 LIST_INITHEAD(&private_output->capture_list);
 419                 LIST_INITHEAD(&private_output->vblank_handler_list);
 420                 LIST_INITHEAD(&private_output->output_commit_handler_list);
 421                 LIST_INITHEAD(&private_output->layer_commit_handler_list);
 422                 LIST_INITHEAD(&private_output->pending_commit_handler_list);
 423                 LIST_INITHEAD(&private_output->change_handler_list_main);
 424                 LIST_INITHEAD(&private_output->change_handler_list_sub);
 425
 426                 if (func_output->output_set_status_handler) {
 427                         func_output->output_set_status_handler(private_output->output_backend,
 428                                                                                                    tdm_output_cb_status,
 429                                                                                                    private_output);
 430                         private_output->regist_change_cb = 1;
 431                 }
 432
 433                 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
 434                                                                                           &private_output->caps);
 435                 if (ret != TDM_ERROR_NONE)
 436                         return ret;
 437         } else {
 438                 tdm_caps_output new_caps;
 439
 440                 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
 441                                                                                           &new_caps);
 442                 if (ret != TDM_ERROR_NONE)
 443                         return ret;
 444
 445                 /* FIXME: This is very ugly. need to fix after the TDM ABI is changed. */
 446                 if (private_output->caps.status != new_caps.status) {
 447                         _tdm_display_destroy_caps_output(&private_output->caps);
 448                         private_output->caps = new_caps;
 449                         private_output->current_mode = NULL;
 450                 } else {
 451                         tdm_output_mode *old_modes = private_output->caps.modes;
 452                         unsigned int old_mode_count = private_output->caps.mode_count;
 453                         if (new_caps.modes)
 454                                 free(new_caps.modes);
 455                         new_caps.modes = old_modes;
 456                         new_caps.mode_count = old_mode_count;
 457                         if (private_output->caps.props)
 458                                 free(private_output->caps.props);
 459                         private_output->caps = new_caps;
 460                 }
 461         }
 462
 463         layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
 464         if (ret != TDM_ERROR_NONE)
 465                 goto failed_update;
 466
 467         for (i = 0; i < layer_count; i++) {
 468                 ret = _tdm_display_update_layer(private_display, private_output, layers[i], i);
 469                 if (ret != TDM_ERROR_NONE)
 470                         goto failed_update;
 471         }
 472
 473         free(layers);
 474
 475         return TDM_ERROR_NONE;
 476 failed_update:
 477         _tdm_display_destroy_private_output(private_output);
 478         free(layers);
 479         return ret;
 480 }
 481
 482 static tdm_output **
 483 _tdm_display_set_main_first(tdm_output **outputs, int index)
 484 {
 485         tdm_output *output_tmp = NULL;
 486
 487         if (index == 0)
 488                 return outputs;
 489
 490         output_tmp = outputs[0];
 491         outputs[0] = outputs[index];
 492         outputs[index] = output_tmp;
 493
 494         return outputs;
 495 }
 496
 497 static tdm_output **
 498 _tdm_display_get_ordered_outputs(tdm_private_display *private_display, int *count)
 499 {
 500         tdm_func_display *func_display = &private_display->func_display;
 501         tdm_output **outputs = NULL;
 502         tdm_output **new_outputs = NULL;
 503         tdm_output *output_dsi = NULL;
 504         tdm_output *output_lvds = NULL;
 505         tdm_output *output_hdmia = NULL;
 506         tdm_output *output_hdmib = NULL;
 507         int i, output_count = 0, output_connected_count = 0;
 508         int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
 509         tdm_error ret;
 510
 511         /* don't change list order if not init time */
 512         if (private_display->outputs)
 513                 return private_display->outputs;
 514
 515         outputs = func_display->display_get_outputs(private_display->bdata, &output_count, &ret);
 516         if (ret != TDM_ERROR_NONE)
 517                 goto failed_get_outputs;
 518
 519         *count = output_count;
 520
 521         if (output_count == 0)
 522                 goto failed_get_outputs;
 523         else if (output_count == 1) {
 524                 private_display->outputs = outputs;
 525                 return outputs;
 526         }
 527
 528         /* count connected outputs */
 529         for (i = 0; i < output_count; i++) {
 530                 tdm_func_output *func_output = &private_display->func_output;
 531                 tdm_caps_output caps;
 532                 memset(&caps, 0, sizeof(tdm_caps_output));
 533
 534                 if (!func_output->output_get_capability) {
 535                         TDM_ERR("no output_get_capability()");
 536                         goto failed_get_outputs;
 537                 }
 538
 539                 ret = func_output->output_get_capability(outputs[i], &caps);
 540                 if (ret != TDM_ERROR_NONE) {
 541                         TDM_ERR("output_get_capability() failed");
 542                         goto failed_get_outputs;
 543                 }
 544
 545                 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
 546                         output_connected_count++;
 547
 548                         switch (caps.type) {
 549                         case TDM_OUTPUT_TYPE_DSI:
 550                                 output_dsi = outputs[i];
 551                                 index_dsi = i;
 552                                 break;
 553                         case TDM_OUTPUT_TYPE_LVDS:
 554                                 output_lvds = outputs[i];
 555                                 index_lvds = i;
 556                                 break;
 557                         case TDM_OUTPUT_TYPE_HDMIA:
 558                                 output_hdmia = outputs[i];
 559                                 index_hdmia = i;
 560                                 break;
 561                         case TDM_OUTPUT_TYPE_HDMIB:
 562                                 output_hdmib = outputs[i];
 563                                 index_hdmib = i;
 564                                 break;
 565                         default:
 566                                 break;
 567                         }
 568                 }
 569
 570                 _tdm_display_destroy_caps_output(&caps);
 571         }
 572
 573         /* ordering : main output is first */
 574         /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
 575           * But hdmi is possible, so set hdmi to main display.
 576           * If connected only one output, it is main output.
 577           * If connected outputs over 2, has priority like below.
 578           * (dsi > lvds > hdmi > else)
 579           */
 580         if (output_connected_count == 0) {
 581                 /* hdmi > dsi > lvds > else */
 582                 if (output_hdmia != NULL)
 583                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
 584                 else if (output_hdmib != NULL)
 585                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
 586                 else if (output_dsi != NULL)
 587                         new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
 588                 else if (output_lvds != NULL)
 589                         new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
 590                 else
 591                         new_outputs = outputs;
 592         } else { /* (output_connected_count > 1) */
 593                 /* dsi > lvds > hdmi > else */
 594                 if (output_dsi != NULL)
 595                         new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
 596                 else if (output_lvds != NULL)
 597                         new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
 598                 else if (output_hdmia != NULL)
 599                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
 600                 else if (output_hdmib != NULL)
 601                         new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
 602                 else
 603                         new_outputs = outputs;
 604         }
 605
 606         private_display->outputs = new_outputs;
 607
 608         return new_outputs;
 609
 610 failed_get_outputs:
 611         free(outputs);
 612         *count = 0;
 613         return NULL;
 614 }
 615
 616 static tdm_error
 617 _tdm_display_update_internal(tdm_private_display *private_display,
 618                                                          int only_display)
 619 {
 620         tdm_output **outputs = NULL;
 621         int output_count = 0, i;
 622         tdm_error ret = TDM_ERROR_NONE;
 623
 624         LIST_INITHEAD(&private_display->output_list);
 625         LIST_INITHEAD(&private_display->pp_list);
 626         LIST_INITHEAD(&private_display->capture_list);
 627
 628         if (!only_display) {
 629                 ret = _tdm_display_update_caps_pp(private_display, &private_display->caps_pp);
 630                 if (ret != TDM_ERROR_NONE)
 631                         goto failed_update;
 632
 633                 ret = _tdm_display_update_caps_capture(private_display,
 634                                                                                            &private_display->caps_capture);
 635                 if (ret != TDM_ERROR_NONE)
 636                         goto failed_update;
 637         }
 638
 639         outputs = _tdm_display_get_ordered_outputs(private_display, &output_count);
 640         if (!outputs)
 641                 goto failed_update;
 642
 643         for (i = 0; i < output_count; i++) {
 644                 ret = tdm_display_update_output(private_display, outputs[i], i);
 645                 if (ret != TDM_ERROR_NONE)
 646                         goto failed_update;
 647         }
 648
 649         return TDM_ERROR_NONE;
 650
 651 failed_update:
 652         _tdm_display_destroy_private_display(private_display);
 653         return ret;
 654 }
 655 /* LCOV_EXCL_STOP */
 656
 657 EXTERN tdm_error
 658 tdm_display_update(tdm_display *dpy)
 659 {
 660         tdm_private_display *private_display;
 661         tdm_error ret;
 662
 663         TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
 664         TDM_RETURN_VAL_IF_FAIL(tdm_display_is_valid(dpy), TDM_ERROR_INVALID_PARAMETER);
 665
 666         private_display = dpy;
 667         _pthread_mutex_lock(&private_display->lock);
 668
 669         ret = _tdm_display_update_internal(private_display, 1);
 670
 671         _pthread_mutex_unlock(&private_display->lock);
 672
 673         return ret;
 674 }
 675
 676 #define SUFFIX_MODULE    ".so"
 677 #define TDM_DEFAULT_MODULE   "libtdm-default"SUFFIX_MODULE
 678 #define TDM_DUMMY_MODULE     "libtdm-dummy"SUFFIX_MODULE
 679
 680 int tdm_debug_module;
 681 int tdm_debug_dump;
 682 int tdm_ttrace_module;
 683 int tdm_ttrace_output;
 684
 685 static tdm_private_display *g_private_display;
 686 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
 687
 688 /* LCOV_EXCL_START */
 689 static tdm_error
 690 _tdm_display_check_module(tdm_backend_module *module)
 691 {
 692         int major, minor;
 693
 694         TDM_INFO("TDM ABI version : %d.%d",
 695                          TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
 696
 697         if (!module->name) {
 698                 TDM_ERR("TDM backend doesn't have name");
 699                 return TDM_ERROR_BAD_MODULE;
 700         }
 701
 702         if (!module->vendor) {
 703                 TDM_ERR("TDM backend doesn't have vendor");
 704                 return TDM_ERROR_BAD_MODULE;
 705         }
 706
 707         major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
 708         minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
 709
 710         TDM_INFO("TDM module name: %s", module->name);
 711         TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
 712         TDM_INFO("'%s' version: %d.%d", module->name, major, minor);
 713
 714         if (major != TDM_MAJOR_VERSION) {
 715                 TDM_ERR("'%s' major version mismatch, %d != %d",
 716                                 module->name, major, TDM_MAJOR_VERSION);
 717                 return TDM_ERROR_BAD_MODULE;
 718         }
 719
 720         if (minor > TDM_MINOR_VERSION) {
 721                 TDM_ERR("'%s' minor version(%d) is newer than %d",
 722                                 module->name, minor, TDM_MINOR_VERSION);
 723                 return TDM_ERROR_BAD_MODULE;
 724         }
 725
 726         if (!module->init) {
 727                 TDM_ERR("'%s' doesn't have init function", module->name);
 728                 return TDM_ERROR_BAD_MODULE;
 729         }
 730
 731         if (!module->deinit) {
 732                 TDM_ERR("'%s' doesn't have deinit function", module->name);
 733                 return TDM_ERROR_BAD_MODULE;
 734         }
 735
 736         return TDM_ERROR_NONE;
 737 }
 738
 739 static tdm_error
 740 _tdm_display_check_backend_functions(tdm_private_display *private_display)
 741 {
 742         tdm_func_display *func_display = &private_display->func_display;
 743         tdm_func_output *func_output = &private_display->func_output;
 744         tdm_func_layer *func_layer = &private_display->func_layer;
 745         tdm_error ret;
 746
 747         /* below functions should be implemented in backend side */
 748
 749         TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
 750         TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
 751         TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
 752         TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
 753         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
 754
 755         ret = func_display->display_get_capability(private_display->bdata, &private_display->caps_display);
 756         if (ret != TDM_ERROR_NONE) {
 757                 TDM_ERR("display_get_capability() failed");
 758                 return TDM_ERROR_BAD_MODULE;
 759         }
 760
 761         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
 762                 tdm_func_pp *func_pp = &private_display->func_pp;
 763                 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
 764                 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
 765                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
 766                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
 767                 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
 768         }
 769
 770         if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
 771                 tdm_func_capture *func_capture = &private_display->func_capture;
 772                 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
 773                 if (private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT)
 774                         TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
 775                 if (private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_LAYER)
 776                         TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
 777                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
 778                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
 779                 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
 780         }
 781
 782         return TDM_ERROR_NONE;
 783 }
 784
 785 static tdm_error
 786 _tdm_display_load_module_with_file(tdm_private_display *private_display,
 787                                                                    const char *file)
 788 {
 789         char path[TDM_PATH_LEN] = {0,};
 790         tdm_backend_module *module_data;
 791         void *module;
 792         tdm_error ret;
 793         double stamp;
 794         int size;
 795
 796         size = snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
 797         if (size >= (int)sizeof(path)) {
 798                 TDM_WRN("too long: %s/%s", TDM_MODULE_PATH, file);
 799                 return TDM_ERROR_BAD_MODULE;
 800         };
 801
 802         stamp = tdm_helper_get_time();
 803
 804         TDM_TRACE_BEGIN("TDM_Load_Backend");
 805         module = dlopen(path, RTLD_LAZY);
 806         if (!module) {
 807                 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
 808                 TDM_TRACE_END();
 809                 return TDM_ERROR_BAD_MODULE;
 810         }
 811
 812         module_data = dlsym(module, "tdm_backend_module_data");
 813         if (!module_data) {
 814                 TDM_ERR("'%s' doesn't have data object", file);
 815                 ret = TDM_ERROR_BAD_MODULE;
 816                 TDM_TRACE_END();
 817                 goto failed_load;
 818         }
 819         TDM_TRACE_END();
 820
 821         TDM_DBG("dlopen, dlsym time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 822
 823         private_display->module_data = module_data;
 824         private_display->module = module;
 825
 826         /* check if version, init() and deinit() are valid or not */
 827         ret = _tdm_display_check_module(module_data);
 828         if (ret != TDM_ERROR_NONE)
 829                 goto failed_load;
 830
 831         /* We don't care if backend_data is NULL or not. It's up to backend. */
 832         TDM_TRACE_BEGIN("TDM_Init_Backend");
 833         stamp = tdm_helper_get_time();
 834         private_display->bdata = module_data->init((tdm_display *)private_display, &ret);
 835         TDM_DBG("backend init() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
 836         TDM_TRACE_END();
 837
 838         if (ret != TDM_ERROR_NONE) {
 839                 TDM_ERR("failed to init '%s' module", module_data->name);
 840                 goto failed_load;
 841         }
 842
 843         ret = _tdm_display_check_backend_functions(private_display);
 844         if (ret != TDM_ERROR_NONE) {
 845                 module_data->deinit(private_display->bdata);
 846                 private_display->bdata = NULL;
 847                 goto failed_load;
 848         }
 849
 850         TDM_INFO("Success to load '%s' module", module_data->name);
 851
 852         return TDM_ERROR_NONE;
 853 failed_load:
 854         dlclose(module);
 855         private_display->module_data = NULL;
 856         private_display->module = NULL;
 857         return ret;
 858 }
 859
 860 static tdm_error
 861 _tdm_display_load_module(tdm_private_display *private_display)
 862 {
 863         const char *module_name;
 864         struct dirent **namelist;
 865         int n, len;
 866         tdm_error ret = 0;
 867
 868         module_name = getenv("TDM_MODULE");
 869         if (!module_name)
 870                 module_name = TDM_DEFAULT_MODULE;
 871
 872         len = strlen(module_name);
 873         if (len > TDM_NAME_LEN - 1) {
 874                 TDM_ERR("TDM_MODULE is too long\n");
 875                 return TDM_ERROR_OPERATION_FAILED;
 876         }
 877
 878         /* load bufmgr priv from default lib */
 879         ret = _tdm_display_load_module_with_file(private_display, module_name);
 880         if (ret == TDM_ERROR_NONE)
 881                 return TDM_ERROR_NONE;
 882
 883         /* load bufmgr priv from dummy lib */
 884         ret = _tdm_display_load_module_with_file(private_display, TDM_DUMMY_MODULE);
 885         if (ret == TDM_ERROR_NONE)
 886                 return TDM_ERROR_NONE;
 887
 888         /* load bufmgr priv from configured path */
 889         n = scandir(TDM_MODULE_PATH, &namelist, 0, alphasort);
 890         if (n < 0) {
 891                 TDM_ERR("no module in '%s'\n", TDM_MODULE_PATH);
 892                 return TDM_ERROR_BAD_MODULE;
 893         }
 894
 895         ret = TDM_ERROR_BAD_MODULE;
 896         while (n--) {
 897                 if (ret < 0 && strstr(namelist[n]->d_name, SUFFIX_MODULE))
 898                         ret = _tdm_display_load_module_with_file(private_display, namelist[n]->d_name);
 899
 900                 free(namelist[n]);
 901         }
 902         free(namelist);
 903
 904         return ret;
 905 }
 906
 907 static void
 908 _tdm_display_unload_module(tdm_private_display *private_display)
 909 {
 910         if (private_display->module_data)
 911                 private_display->module_data->deinit(private_display->bdata);
 912         if (private_display->module)
 913                 dlclose(private_display->module);
 914
 915         private_display->bdata = NULL;
 916         private_display->module_data = NULL;
 917         private_display->module = NULL;
 918 }
 919 /* LCOV_EXCL_STOP */
 920
 921 EXTERN tdm_display *
 922 tdm_display_init(tdm_error *error)
 923 {
 924         tdm_private_display *private_display = NULL;
 925         const char *str;
 926         tdm_error ret;
 927         double stamp1, stamp2, start;
 928
 929         pthread_mutex_lock(&gLock);
 930
 931         if (g_private_display) {
 932                 g_private_display->init_count++;
 933                 pthread_mutex_unlock(&gLock);
 934                 if (error)
 935                         *error = TDM_ERROR_NONE;
 936                 return g_private_display;
 937         }
 938
 939         start = stamp1 = tdm_helper_get_time();
 940
 941         private_display = calloc(1, sizeof(tdm_private_display));
 942         if (!private_display) {
 943                 /* LCOV_EXCL_START */
 944                 ret = TDM_ERROR_OUT_OF_MEMORY;
 945                 TDM_ERR("'private_display != NULL' failed");
 946                 goto failed_alloc;
 947                 /* LCOV_EXCL_STOP */
 948         }
 949
 950         str = getenv("TDM_DEBUG_MODULE");
 951         if (str)
 952                 tdm_display_enable_debug_module(str);
 953
 954         str = getenv("TDM_DEBUG_DUMP");
 955         if (str)
 956                 tdm_display_enable_dump(private_display, str, NULL, NULL);
 957
 958         str = getenv("TDM_DEBUG_PATH");
 959         if (str)
 960                 tdm_display_enable_path(str);
 961
 962         if (pthread_mutex_init(&private_display->lock, NULL)) {
 963                 /* LCOV_EXCL_START */
 964                 ret = TDM_ERROR_OPERATION_FAILED;
 965                 TDM_ERR("mutex init failed: %m");
 966                 goto failed_mutex_init;
 967                 /* LCOV_EXCL_STOP */
 968         }
 969
 970         _pthread_mutex_lock(&private_display->lock);
 971
 972         stamp2 = tdm_helper_get_time();
 973         TDM_DBG("prepare init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 974         stamp1 = stamp2;
 975
 976         ret = tdm_vblank_init(private_display);
 977         if (ret != TDM_ERROR_NONE)
 978                 goto failed_vblank;
 979
 980         ret = tdm_event_loop_init(private_display);
 981         if (ret != TDM_ERROR_NONE)
 982                 goto failed_event;
 983
 984         stamp2 = tdm_helper_get_time();
 985         TDM_DBG("creating event loop time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 986         stamp1 = stamp2;
 987
 988         ret = _tdm_display_load_module(private_display);
 989         if (ret != TDM_ERROR_NONE)
 990                 goto failed_load;
 991
 992         stamp2 = tdm_helper_get_time();
 993         TDM_DBG("loading backend time: %.3f ms", (stamp2 - stamp1) * 1000.0);
 994         stamp1 = stamp2;
 995
 996 #ifdef INIT_BUFMGR
 997         int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
 998         if (tdm_drm_fd >= 0) {
 999                 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
1000                 close(tdm_drm_fd);
1001                 if (!private_display->bufmgr) {
1002                         TDM_ERR("tbm_bufmgr_init failed");
1003                         goto failed_update;
1004                 } else {
1005                         TDM_INFO("tbm_bufmgr_init successed");
1006                 }
1007
1008                 stamp2 = tdm_helper_get_time();
1009                 TDM_DBG("initializing bufmgr time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1010                 stamp1 = stamp2;
1011         }
1012 #endif
1013
1014         TDM_TRACE_BEGIN("TDM_Update_Display");
1015         ret = _tdm_display_update_internal(private_display, 0);
1016         TDM_TRACE_END();
1017         if (ret != TDM_ERROR_NONE)
1018                 goto failed_update;
1019
1020         stamp2 = tdm_helper_get_time();
1021         TDM_DBG("updating display time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1022         stamp1 = stamp2;
1023
1024         tdm_event_loop_create_backend_source(private_display);
1025
1026         private_display->init_count = 1;
1027         g_private_display = private_display;
1028
1029         tdm_private_output *o = NULL;
1030         LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1031                 if (o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1032                         tdm_output_need_validate_event_init(o);
1033         }
1034
1035         /* the COMMIT_PER_VBLANK functionality is ability of an output to support
1036          * several operational modes (commit_per_vblank modes) related to tdm_commit;
1037          * this functionality can be turned off which means a default mode */
1038         str = getenv("TDM_COMMIT_PER_VBLANK");
1039         if (str) {
1040                 tdm_private_output *o = NULL;
1041                 char *end;
1042                 int mode = strtol(str, &end, 10);
1043
1044                 /* outputs which support hwc capability can work only
1045                  * if commit_per_vblank mode is '0' (default mode) */
1046                 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link)
1047                         if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
1048                                 tdm_output_choose_commit_per_vblank_mode(o, mode);
1049         }
1050
1051         if (error)
1052                 *error = TDM_ERROR_NONE;
1053
1054         _pthread_mutex_unlock(&private_display->lock);
1055         pthread_mutex_unlock(&gLock);
1056
1057         TDM_INFO("init time: %.3f ms", (tdm_helper_get_time() - start) * 1000.0);
1058
1059         return (tdm_display *)private_display;
1060
1061 /* LCOV_EXCL_START */
1062 failed_update:
1063         _tdm_display_unload_module(private_display);
1064 failed_load:
1065         tdm_event_loop_stop(private_display);
1066         tdm_event_loop_deinit(private_display);
1067 failed_event:
1068         tdm_vblank_deinit(private_display);
1069 failed_vblank:
1070         _pthread_mutex_unlock(&private_display->lock);
1071         pthread_mutex_destroy(&private_display->lock);
1072 failed_mutex_init:
1073         free(private_display);
1074 failed_alloc:
1075         if (error)
1076                 *error = ret;
1077         pthread_mutex_unlock(&gLock);
1078         return NULL;
1079 /* LCOV_EXCL_STOP */
1080 }
1081
1082 EXTERN void
1083 tdm_display_deinit(tdm_display *dpy)
1084 {
1085         tdm_private_display *private_display = dpy;
1086
1087         if (!private_display)
1088                 return;
1089
1090         TDM_RETURN_IF_FAIL(tdm_display_is_valid(dpy));
1091
1092         pthread_mutex_lock(&gLock);
1093
1094         private_display->init_count--;
1095         if (private_display->init_count > 0) {
1096                 pthread_mutex_unlock(&gLock);
1097                 return;
1098         }
1099
1100         /* dont move the position of lock/unlock. all resource should be protected
1101          * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1102          * things because it's finalized.
1103          */
1104         _pthread_mutex_lock(&private_display->lock);
1105         tdm_event_loop_stop(private_display);
1106         _tdm_display_destroy_private_display(private_display);
1107         _tdm_display_unload_module(private_display);
1108         _pthread_mutex_unlock(&private_display->lock);
1109
1110         tdm_event_loop_deinit(private_display);
1111         tdm_vblank_deinit(private_display);
1112
1113 #ifdef INIT_BUFMGR
1114         if (private_display->bufmgr)
1115                 tbm_bufmgr_deinit(private_display->bufmgr);
1116 #endif
1117
1118         tbm_drm_helper_unset_tbm_master_fd();
1119
1120         pthread_mutex_destroy(&private_display->lock);
1121         free(private_display);
1122         g_private_display = NULL;
1123
1124         if (tdm_debug_dump_dir) {
1125                 free(tdm_debug_dump_dir);
1126                 tdm_debug_dump_dir = NULL;
1127         }
1128
1129         pthread_mutex_unlock(&gLock);
1130
1131         TDM_INFO("done");
1132 }
1133
1134 INTERN int
1135 tdm_display_is_valid(tdm_display *dpy)
1136 {
1137         if (dpy != NULL && dpy == g_private_display)
1138                 return 1;
1139         return 0;
1140 }
1141
1142 INTERN int
1143 tdm_output_is_valid(tdm_output *output)
1144 {
1145         tdm_private_output *o = NULL, *private_output = output;
1146         if (output && g_private_display)
1147                 LIST_FOR_EACH_ENTRY(o, &g_private_display->output_list, link)
1148                         if (o == private_output)
1149                                 return 1;
1150         return 0;
1151 }
1152
1153 /* LCOV_EXCL_START */
1154 INTERN int
1155 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin)
1156 {
1157         tdm_backend_module *module = private_display->module_data;
1158
1159         if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
1160                 return 0;
1161
1162         if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)
1163                 return 0;
1164
1165         return 1;
1166 }
1167
1168 INTERN tdm_error
1169 tdm_display_enable_debug_module(const char*modules)
1170 {
1171         char temp[TDM_PATH_LEN];
1172         char *arg;
1173         char *end;
1174
1175         snprintf(temp, TDM_PATH_LEN, "%s", modules);
1176
1177         tdm_debug_module = 0;
1178
1179         arg = strtok_r(temp, TDM_DELIM, &end);
1180         while (arg) {
1181                 if (!strncmp(arg, "none", 4)) {
1182                         tdm_debug_module = 0;
1183                         return TDM_ERROR_NONE;
1184                 }
1185                 if (!strncmp(arg, "all", 3)) {
1186                         tdm_debug_module = 0xFFFFFFFF;
1187                         return TDM_ERROR_NONE;
1188                 }
1189                 if (!strncmp(arg, "buffer", 6))
1190                         tdm_debug_module |= TDM_DEBUG_BUFFER;
1191                 else if (!strncmp(arg, "thread", 6))
1192                         tdm_debug_module |= TDM_DEBUG_THREAD;
1193                 else if (!strncmp(arg, "mutex", 5))
1194                         tdm_debug_module |= TDM_DEBUG_MUTEX;
1195                 else if (!strncmp(arg, "vblank", 6))
1196                         tdm_debug_module |= TDM_DEBUG_VBLANK;
1197                 else if (!strncmp(arg, "commit", 6))
1198                         tdm_debug_module |= TDM_DEBUG_COMMIT;
1199
1200                 arg = strtok_r(NULL, TDM_DELIM, &end);
1201         }
1202
1203         TDM_INFO("module debugging... '%s'", modules);
1204
1205         return TDM_ERROR_NONE;
1206 }
1207
1208 INTERN tdm_error
1209 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len)
1210 {
1211         char temp[TDM_PATH_LEN] = {0,}, temp2[TDM_PATH_LEN] = {0,};
1212         char *path = NULL, *path2;
1213         char *arg;
1214         char *end;
1215
1216         snprintf(temp2, TDM_PATH_LEN, "%s", dump_str);
1217         path2 = strtostr(temp, TDM_PATH_LEN, temp2, "@");
1218         if (!path2 || path2[0] == '\0')
1219                 path2 = TDM_DUMP_DIR;
1220         else
1221                 path2++;
1222
1223         tdm_debug_dump = 0;
1224
1225         snprintf(temp, sizeof(temp), "%s", dump_str);
1226         arg = strtok_r(temp, ",", &end);
1227         TDM_GOTO_IF_FAIL(arg != NULL, done);
1228
1229         if (!strncmp(arg, "none", 4)) {
1230                 tdm_debug_dump = 0;
1231                 TDM_SNPRINTF(reply, len, "path: %s\n", (tdm_debug_dump_dir) ? : "unknown");
1232                 if (tdm_debug_dump_dir) {
1233                         free(tdm_debug_dump_dir);
1234                         tdm_debug_dump_dir = NULL;
1235                 }
1236                 goto done;
1237         }
1238
1239         path = tdm_helper_dump_make_directory(path2, reply, len);
1240         TDM_GOTO_IF_FAIL(path != NULL, done);
1241
1242         if (!strncmp(arg, "current", 7)) {
1243                 tdm_private_output *o = NULL;
1244                 if (!private_display) {
1245                         TDM_WRN("no private_display");
1246                         goto done;
1247                 }
1248
1249                 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1250                         tdm_private_layer *l = NULL;
1251                         LIST_FOR_EACH_ENTRY(l, &o->layer_list, link) {
1252                                 char str[TDM_PATH_LEN];
1253                                 if (l->usable || l->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)
1254                                         continue;
1255                                 if (!l->showing_buffer)
1256                                         continue;
1257                                 snprintf(str, TDM_PATH_LEN, "layer_%d_%d", o->index, l->index);
1258                                 tdm_helper_dump_buffer_str(l->showing_buffer->buffer, path, str);
1259                         }
1260                 }
1261
1262                 TDM_SNPRINTF(reply, len, "path: %s\n", path);
1263                 goto done;
1264         }
1265
1266         TDM_SNPRINTF(reply, len, "dump: %s\n", arg);
1267
1268         while (arg) {
1269                 if (!strncmp(arg, "all", 3)) {
1270                         tdm_debug_dump = 0xFFFFFFFF;
1271                         goto done;
1272                 } else if (!strncmp(arg, "layer", 5)) {
1273                         tdm_debug_dump |= TDM_DUMP_FLAG_LAYER;
1274                 } else if (!strncmp(arg, "pp", 2)) {
1275                         tdm_debug_dump |= TDM_DUMP_FLAG_PP;
1276                 } else if (!strncmp(arg, "capture", 7)) {
1277                         tdm_debug_dump |= TDM_DUMP_FLAG_CAPTURE;
1278                 } else if (!strncmp(arg, "window", 6)) {
1279                         tdm_debug_dump |= TDM_DUMP_FLAG_WINDOW;
1280                 } else
1281                         goto done;
1282
1283                 arg = strtok_r(NULL, ",", &end);
1284         }
1285
1286         if (tdm_debug_dump_dir)
1287                 free(tdm_debug_dump_dir);
1288
1289         tdm_debug_dump_dir = strndup(path, TDM_PATH_LEN);
1290
1291         TDM_INFO("dump... '%s'", dump_str);
1292
1293 done:
1294         if (path)
1295                 free(path);
1296
1297         return TDM_ERROR_NONE;
1298 }
1299
1300 INTERN tdm_error
1301 tdm_display_enable_path(const char *path)
1302 {
1303         static int old_stdout = -1;
1304         char fd_name[TDM_PATH_LEN];
1305         int  log_fd = -1;
1306         FILE *log_fl;
1307
1308         if (old_stdout == -1)
1309                 old_stdout = dup(STDOUT_FILENO);
1310
1311         tdm_log_enable_dlog(0);
1312
1313         snprintf(fd_name, TDM_PATH_LEN, "%s", path);
1314
1315         log_fl = fopen(fd_name, "a");
1316         if (!log_fl) {
1317                 TDM_ERR("failed: open file(%s)\n", fd_name);
1318                 return TDM_ERROR_OPERATION_FAILED;
1319         }
1320
1321         fflush(stderr);
1322         close(STDOUT_FILENO);
1323
1324         setvbuf(log_fl, NULL, _IOLBF, 512);
1325         log_fd = fileno(log_fl);
1326
1327         dup2(log_fd, STDOUT_FILENO);
1328         fclose(log_fl);
1329
1330         return TDM_ERROR_NONE;
1331 }
1332
1333 static void
1334 _tdm_display_ttrace_vblank_cb(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
1335                                                           unsigned int tv_sec, unsigned int tv_usec, void *user_data)
1336 {
1337         tdm_error ret = TDM_ERROR_NONE;
1338
1339         TDM_TRACE_MARK("VSYNC");
1340
1341         ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1342         TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1343 }
1344
1345 INTERN tdm_error
1346 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable)
1347 {
1348         tdm_private_display *private_display = dpy;
1349         tdm_private_output *private_output = NULL;
1350         const tdm_output_mode *mode = NULL;
1351         tdm_vblank *vblank = NULL;
1352         tdm_error ret = TDM_ERROR_NONE;
1353
1354         if (!enable) {
1355                 LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
1356                         if (private_output->ttrace_vblank)
1357                                 tdm_vblank_destroy(private_output->ttrace_vblank);
1358                         private_output->ttrace_vblank = NULL;
1359                 }
1360                 return TDM_ERROR_NONE;
1361         }
1362
1363         private_output = output;
1364         TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1365
1366         if (private_output->ttrace_vblank)
1367                 return TDM_ERROR_NONE;
1368
1369         vblank = tdm_vblank_create(private_display, output, &ret);
1370         TDM_RETURN_VAL_IF_FAIL(vblank != NULL, ret);
1371
1372         ret = tdm_output_get_mode(output, &mode);
1373         TDM_GOTO_IF_FAIL(mode != NULL, enable_fail);
1374
1375         ret = tdm_vblank_set_fps(vblank, mode->vrefresh);
1376         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1377
1378         ret = tdm_vblank_set_enable_fake(vblank, 1);
1379         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1380
1381         ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1382         TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1383
1384         private_output->ttrace_vblank = vblank;
1385
1386         return TDM_ERROR_NONE;
1387
1388 enable_fail:
1389         if (vblank)
1390                 tdm_vblank_destroy(vblank);
1391
1392         return ret;
1393 }
1394
1395 INTERN tdm_error
1396 tdm_display_enable_ttrace(tdm_private_display *private_display, const char *ttrace, int output_id, char *reply, int *len)
1397 {
1398         char temp[TDM_PATH_LEN];
1399         char *arg;
1400         char *end;
1401         tdm_output *output;
1402         tdm_error ret;
1403         tdm_output_type type;
1404
1405         snprintf(temp, TDM_PATH_LEN, "%s", ttrace);
1406
1407         tdm_ttrace_output = output_id;
1408         tdm_ttrace_module = 0;
1409
1410         output = tdm_display_get_output(private_display, output_id, &ret);
1411         if (!output) {
1412                 TDM_SNPRINTF(reply, len, "can't find the output_id(%d)\n", output_id);
1413                 return ret;
1414         }
1415
1416         ret = tdm_output_get_output_type(output, &type);
1417         if (ret != TDM_ERROR_NONE) {
1418                 TDM_SNPRINTF(reply, len, "can't find the type of output_id(%d)\n", output_id);
1419                 return ret;
1420         }
1421
1422         arg = strtok_r(temp, TDM_DELIM, &end);
1423         while (arg) {
1424                 if (!strncmp(arg, "none", 4))
1425                         tdm_ttrace_module = 0;
1426                 else if (!strncmp(arg, "all", 3))
1427                         tdm_ttrace_module = 0xFFFFFFFF;
1428                 else if (!strncmp(arg, "vsync", 5))
1429                         tdm_ttrace_module |= TDM_TTRACE_VSYNC;
1430                 else if (!strncmp(arg, "client_vblank", 13))
1431                         tdm_ttrace_module |= TDM_TTRACE_CLIENT_VBLANK;
1432                 else if (!strncmp(arg, "server_vblank", 13))
1433                         tdm_ttrace_module |= TDM_TTRACE_SERVER_VBLANK;
1434                 else if (!strncmp(arg, "vblank", 6))
1435                         tdm_ttrace_module |= TDM_TTRACE_VBLANK;
1436                 else if (!strncmp(arg, "layer", 5))
1437                         tdm_ttrace_module |= TDM_TTRACE_LAYER;
1438                 else if (!strncmp(arg, "pp", 2))
1439                         tdm_ttrace_module |= TDM_TTRACE_PP;
1440                 else if (!strncmp(arg, "capture", 7))
1441                         tdm_ttrace_module |= TDM_TTRACE_CAPTURE;
1442                 else  {
1443                         tdm_ttrace_module = 0;
1444                         tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
1445                         tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
1446                         TDM_SNPRINTF(reply, len, "unknown option: '%s'\n", arg);
1447                         return TDM_ERROR_NONE;
1448                 }
1449
1450                 arg = strtok_r(NULL, TDM_DELIM, &end);
1451         }
1452
1453         TDM_SNPRINTF(reply, len, "ttrace debugging... '%s' %x\n", ttrace, tdm_ttrace_module);
1454
1455         if (tdm_ttrace_module & TDM_TTRACE_VSYNC)
1456                 tdm_display_enable_ttrace_vblank(private_display, output, 1);
1457         else
1458                 tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
1459
1460         if (tdm_ttrace_module & TDM_TTRACE_CLIENT_VBLANK)
1461                 tdm_server_enable_ttrace_client_vblank(private_display, output, 1);
1462         else
1463                 tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
1464
1465         return TDM_ERROR_NONE;
1466 }
1467
1468 INTERN tdm_error
1469 tdm_display_enable_fps(tdm_private_display *private_display, int enable)
1470 {
1471         private_display->print_fps = enable;
1472
1473         TDM_INFO("print fps: %s", (enable) ? "enable" : "disable");
1474
1475         return TDM_ERROR_NONE;
1476 }
1477 /* LCOV_EXCL_STOP */