1 /**************************************************************************
5 * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
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 <boram1288.park@samsung.com>
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:
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
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.
34 **************************************************************************/
40 #include "tdm_private.h"
42 pthread_mutex_t tdm_mutex_check_lock = PTHREAD_MUTEX_INITIALIZER;
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;
49 pthread_mutex_t tdm_debug_mutex_check_lock = PTHREAD_MUTEX_INITIALIZER;
50 const char *tdm_debug_mutex_lock_func;
51 int tdm_debug_mutex_lock_line;
53 static tdm_error _tdm_display_load_module_with_file(tdm_private_display *private_display, const char *file);
56 static tdm_private_layer *
57 _tdm_display_find_private_layer(tdm_private_output *private_output,
58 tdm_layer *layer_backend)
60 tdm_private_layer *private_layer = NULL;
62 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
63 if (private_layer->layer_backend == layer_backend)
70 INTERN tdm_private_output *
71 tdm_display_find_private_output(tdm_private_display *private_display, tdm_output *output_backend)
73 tdm_private_module *private_module = NULL;
74 tdm_private_output *private_output = NULL;
76 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
77 LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
78 if (private_output->output_backend == output_backend)
79 return private_output;
87 tdm_display_find_empty_output_pipe(tdm_private_display *private_display)
89 tdm_private_module *private_module = NULL;
90 tdm_private_output *private_output = NULL;
91 unsigned int pipe = 0;
94 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
95 LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
96 if (private_output->pipe == pipe) {
115 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp)
117 tdm_private_module *private_module = NULL;
118 tdm_private_output *private_output = NULL;
120 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
121 LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
122 if (private_output->stamp == stamp)
123 return private_output;
131 tdm_display_find_private_voutput(tdm_private_display *private_display, double stamp)
133 tdm_private_module *private_module = NULL;
134 tdm_private_voutput *private_voutput = NULL;
135 tdm_private_output *private_output = NULL;
137 private_module = private_display->virtual_module;
138 if (!private_module) return NULL;
140 LIST_FOR_EACH_ENTRY(private_voutput, &private_module->voutput_list, link) {
141 if (!private_voutput->private_output) continue;
142 private_output = private_voutput->private_output;
143 if (private_output->stamp == stamp)
144 return private_voutput;
151 tdm_display_find_private_hwc(tdm_private_display *private_display, tdm_hwc *hwc_backend)
153 tdm_private_module *private_module = NULL;
154 tdm_private_output *private_output = NULL;
155 tdm_private_hwc *private_hwc = NULL;
157 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
158 LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
159 if (!private_output->private_hwc) continue;
160 private_hwc = private_output->private_hwc;
161 if (private_hwc->hwc_backend == hwc_backend)
170 tdm_display_find_hwc_stamp(tdm_private_display *private_display, double stamp)
172 tdm_private_module *private_module = NULL;
173 tdm_private_output *private_output = NULL;
174 tdm_private_hwc *private_hwc = NULL;
176 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
177 LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
178 if (!private_output->private_hwc) continue;
179 private_hwc = private_output->private_hwc;
180 if (private_hwc->stamp == stamp)
189 _tdm_display_destroy_caps_pp(tdm_caps_pp *caps_pp)
191 if (caps_pp->formats)
192 free(caps_pp->formats);
194 memset(caps_pp, 0, sizeof(tdm_caps_pp));
198 _tdm_display_destroy_caps_capture(tdm_caps_capture *caps_capture)
200 if (caps_capture->formats)
201 free(caps_capture->formats);
203 memset(caps_capture, 0, sizeof(tdm_caps_capture));
207 _tdm_display_destroy_caps_layer(tdm_caps_layer *caps_layer)
209 if (caps_layer->formats)
210 free(caps_layer->formats);
212 if (caps_layer->props)
213 free(caps_layer->props);
215 memset(caps_layer, 0, sizeof(tdm_caps_layer));
219 _tdm_display_destroy_caps_output(tdm_caps_output *caps_output)
221 if (caps_output->modes)
222 free(caps_output->modes);
224 if (caps_output->props)
225 free(caps_output->props);
227 memset(caps_output, 0, sizeof(tdm_caps_output));
231 _tdm_display_destroy_private_layer(tdm_private_layer *private_layer)
233 tdm_private_capture *c = NULL, *cc = NULL;
235 tdm_layer_unset_buffer_internal(private_layer);
237 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_layer->capture_list, link)
238 tdm_capture_destroy_internal(c);
240 _tdm_display_destroy_caps_layer(&private_layer->caps);
242 /* when destroying layer, someone could check if layer is valid. So delete
243 * the layer's link at last.
245 LIST_DEL(&private_layer->link);
251 tdm_display_destroy_private_output(tdm_private_output *private_output)
253 tdm_private_display *private_display = private_output->private_display;
254 tdm_private_layer *l = NULL, *ll = NULL;
255 tdm_private_hwc *private_hwc = NULL;
256 tdm_private_hwc_window *hw = NULL, *hww = NULL;
257 tdm_private_capture *c = NULL, *cc = NULL;
258 tdm_private_output_vblank_handler *v = NULL, *vv = NULL;
259 tdm_private_output_commit_handler *om = NULL, *omm = NULL;
260 tdm_private_hwc_commit_handler *hm = NULL, *hmm = NULL;
261 tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
262 tdm_private_output_change_handler *h = NULL, *hh = NULL;
263 tdm_private_output_destroy_handler *dh = NULL, *dhh = NULL;
265 int mutex_locked = 0;
267 ret = tdm_output_call_thread_cb_destroy(private_output);
268 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
270 free(private_output->layers_ptr);
272 if (private_output->vblank_timeout_timer)
273 tdm_event_loop_source_remove(private_output->vblank_timeout_timer);
275 LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
280 LIST_FOR_EACH_ENTRY_SAFE(om, omm, &private_output->output_commit_handler_list, link) {
285 if (private_output->private_hwc) {
286 private_hwc = private_output->private_hwc;
287 LIST_FOR_EACH_ENTRY_SAFE(hm, hmm, &private_hwc->hwc_commit_handler_list, link) {
292 LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
298 LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
303 LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list, link) {
305 tdm_thread_cb_remove(h->private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, h);
306 tdm_thread_cb_remove(h->private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, h);
310 LIST_FOR_EACH_ENTRY_SAFE(dh, dhh, &private_output->destroy_handler_list, link) {
312 tdm_thread_cb_remove(dh->private_output, TDM_THREAD_CB_OUTPUT_DESTROY, NULL, tdm_output_thread_cb_destroy, dh);
316 if (tdm_thread_is_running() && TDM_MUTEX_IS_LOCKED()) mutex_locked = 1;
317 if (private_output->vblank) {
318 /* tdm_vblank APIs is for server. it should be called in unlock status*/
319 if (mutex_locked) _pthread_mutex_unlock(&private_display->lock);
320 tdm_vblank_destroy(private_output->vblank);
321 if (mutex_locked) _pthread_mutex_lock(&private_display->lock);
324 if (private_output->ttrace_vblank) {
325 /* tdm_vblank APIs is for server. it should be called in unlock status*/
326 if (mutex_locked) _pthread_mutex_unlock(&private_display->lock);
327 tdm_vblank_destroy(private_output->ttrace_vblank);
328 if (mutex_locked) _pthread_mutex_lock(&private_display->lock);
331 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_output->capture_list, link)
332 tdm_capture_destroy_internal(c);
334 if (private_output->private_hwc) {
335 private_hwc = private_output->private_hwc;
336 LIST_FOR_EACH_ENTRY_SAFE(hw, hww, &private_hwc->hwc_window_list, link)
337 tdm_hwc_window_destroy_internal(hw);
338 if (private_hwc->display_target_buffer)
339 tbm_surface_internal_unref(private_hwc->display_target_buffer);
342 LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
343 _tdm_display_destroy_private_layer(l);
346 _tdm_display_destroy_caps_output(&private_output->caps);
348 /* when destroying output, vblank objects are also destroyed. vblank checks
349 * if output object is valid. So delete the output's link at last.
351 LIST_DEL(&private_output->link);
353 private_output->stamp = 0;
354 free(private_output);
358 _tdm_display_destroy_private_display(tdm_private_display *private_display)
360 tdm_private_module *private_module = NULL, *bb = NULL;
361 tdm_private_output *o = NULL, *oo = NULL;
362 tdm_private_pp *p = NULL, *pp = NULL;
363 tdm_private_output_create_handler *ch = NULL, *chh = NULL;
365 LIST_FOR_EACH_ENTRY_SAFE(private_module, bb, &private_display->module_list, link) {
366 LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_module->pp_list, link) {
367 tdm_pp_destroy_internal(p);
370 LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_module->output_list, link) {
371 tdm_display_destroy_private_output(o);
374 _tdm_display_destroy_caps_pp(&private_module->caps_pp);
375 _tdm_display_destroy_caps_capture(&private_module->caps_capture);
377 private_module->capabilities = 0;
378 private_module->caps_display.max_layer_count = 0;
380 if (private_module->outputs) {
381 free(private_module->outputs);
382 private_module->outputs = NULL;
386 LIST_FOR_EACH_ENTRY_SAFE(ch, chh, &private_display->output_create_handler_list, link) {
388 tdm_thread_cb_remove(ch->private_display, TDM_THREAD_CB_DISPLAY_OUTPUT_CREATE, NULL,
389 tdm_display_thread_cb_output_create, ch);
395 _tdm_display_update_caps_pp(tdm_private_module *private_module, tdm_caps_pp *caps)
397 tdm_func_display *func_display;
400 func_display = &private_module->func_display;
402 if (!func_display->display_get_pp_capability) {
403 TDM_ERR("backend(%s) no display_get_pp_capability()", private_module->module_data->name);
404 return TDM_ERROR_BAD_MODULE;
407 ret = func_display->display_get_pp_capability(private_module->bdata, caps);
408 if (ret != TDM_ERROR_NONE) {
409 TDM_ERR("backend(%s) display_get_pp_capability() failed", private_module->module_data->name);
410 return TDM_ERROR_BAD_MODULE;
413 return TDM_ERROR_NONE;
417 _tdm_display_update_caps_capture(tdm_private_module *private_module, tdm_caps_capture *caps)
419 tdm_func_display *func_display;
422 func_display = &private_module->func_display;
424 if (!func_display->display_get_capture_capability) {
425 TDM_ERR("backend(%s) no display_get_capture_capability()", private_module->module_data->name);
426 return TDM_ERROR_BAD_MODULE;
429 ret = func_display->display_get_capture_capability(private_module->bdata, caps);
430 if (ret != TDM_ERROR_NONE) {
431 TDM_ERR("backend(%s) display_get_capture_capability() failed", private_module->module_data->name);
432 return TDM_ERROR_BAD_MODULE;
435 return TDM_ERROR_NONE;
439 _tdm_display_update_caps_layer(tdm_private_module *private_module,
440 tdm_layer *layer_backend, tdm_caps_layer *caps)
442 tdm_func_layer *func_layer = &private_module->func_layer;
445 if (!func_layer->layer_get_capability) {
446 TDM_ERR("backend(%s) no layer_get_capability()", private_module->module_data->name);
447 return TDM_ERROR_BAD_MODULE;
450 ret = func_layer->layer_get_capability(layer_backend, caps);
451 if (ret != TDM_ERROR_NONE) {
452 TDM_ERR("backend(%s) layer_get_capability() failed", private_module->module_data->name);
453 return TDM_ERROR_BAD_MODULE;
456 return TDM_ERROR_NONE;
460 _tdm_display_update_caps_output(tdm_private_module *private_module, int pipe,
461 tdm_output *output_backend, tdm_caps_output *caps)
463 tdm_func_output *func_output = &private_module->func_output;
464 char temp[TDM_NAME_LEN];
469 stamp = tdm_helper_get_time();
470 ret = func_output->output_get_capability(output_backend, caps);
471 TDM_DBG("backend(%s) backend output_get_capability() time: %.3f ms",
472 private_module->module_data->name, (tdm_helper_get_time() - stamp) * 1000.0);
474 if (ret != TDM_ERROR_NONE) {
475 TDM_ERR("backend(%s) output_get_capability() failed", private_module->module_data->name);
476 return TDM_ERROR_BAD_MODULE;
479 /* FIXME: Use model for tdm client to distinguish amoung outputs */
480 n = snprintf(temp, sizeof(temp), "%s-%d", caps->model, pipe);
481 if ((size_t)n >= sizeof(temp)) {
482 temp[sizeof(temp) - 1] = '\0';
485 snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
487 return TDM_ERROR_NONE;
491 _tdm_display_update_layer(tdm_private_output *private_output,
492 tdm_layer *layer_backend, int index)
494 tdm_private_layer *private_layer;
497 private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
498 if (!private_layer) {
499 private_layer = calloc(1, sizeof(tdm_private_layer));
500 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
502 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
503 LIST_INITHEAD(&private_layer->capture_list);
505 private_layer->index = index;
506 private_layer->private_module = private_output->private_module;
507 private_layer->private_display = private_output->private_display;
508 private_layer->private_output = private_output;
509 private_layer->layer_backend = layer_backend;
510 private_layer->usable = 1;
513 _tdm_display_destroy_caps_layer(&private_layer->caps);
515 ret = _tdm_display_update_caps_layer(private_output->private_module, layer_backend, &private_layer->caps);
516 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
518 return TDM_ERROR_NONE;
522 tdm_display_update_output(tdm_private_module *private_module, tdm_output *output_backend)
524 tdm_func_output *func_output = &private_module->func_output;
525 tdm_private_display *private_display = NULL;
526 tdm_private_output *private_output = NULL;
527 tdm_layer **layers = NULL;
528 tdm_private_hwc *private_hwc = NULL;
530 int layer_count = 0, i;
532 unsigned int output_created = 0;
534 private_display = private_module->private_display;
536 private_output = tdm_display_find_private_output(private_display, output_backend);
537 if (!private_output) {
538 unsigned int pipe = tdm_display_find_empty_output_pipe(private_display);
540 private_output = calloc(1, sizeof(tdm_private_output));
541 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
543 private_output->stamp = tdm_helper_get_time();
544 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
545 private_output->stamp++;
547 LIST_ADDTAIL(&private_output->link, &private_module->output_list);
549 private_output->private_module = private_module;
550 private_output->private_display = private_display;
551 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
552 private_output->output_backend = output_backend;
553 private_output->pipe = pipe;
554 private_output->index = pipe;
556 LIST_INITHEAD(&private_output->capture_list);
557 LIST_INITHEAD(&private_output->vblank_handler_list);
558 LIST_INITHEAD(&private_output->output_commit_handler_list);
559 LIST_INITHEAD(&private_output->pending_commit_handler_list);
560 LIST_INITHEAD(&private_output->destroy_handler_list);
561 LIST_INITHEAD(&private_output->change_handler_list);
562 LIST_INITHEAD(&private_output->mode_change_request_handler_list);
564 if (func_output->output_set_status_handler) {
565 func_output->output_set_status_handler(private_output->output_backend,
566 tdm_output_cb_status,
568 private_output->regist_change_cb = 1;
573 /* NOTE that output modes will be allocated newly after here */
574 _tdm_display_destroy_caps_output(&private_output->caps);
575 ret = _tdm_display_update_caps_output(private_module, private_output->pipe, output_backend, &private_output->caps);
576 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
578 if (private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)
579 private_output->current_mode = NULL;
581 /* get the tdm_hwc object */
582 if (private_output->caps.capabilities&TDM_OUTPUT_CAPABILITY_HWC) {
583 hwc = func_output->output_get_hwc(output_backend, &ret);
584 TDM_RETURN_VAL_IF_FAIL(hwc != NULL, ret);
586 private_hwc = calloc(1, sizeof(tdm_private_hwc));
587 TDM_RETURN_VAL_IF_FAIL(private_hwc != NULL, TDM_ERROR_OUT_OF_MEMORY);
589 private_hwc->private_module = private_module;
590 private_hwc->private_output = private_output;
591 private_hwc->hwc_backend = hwc;
592 private_hwc->index = pipe;
593 private_hwc->stamp = tdm_helper_get_time();
594 while (tdm_display_find_hwc_stamp(private_module->private_display, private_hwc->stamp))
595 private_hwc->stamp++;
597 LIST_INITHEAD(&private_hwc->hwc_window_list);
598 LIST_INITHEAD(&private_hwc->hwc_commit_handler_list);
600 private_output->private_hwc = private_hwc;
602 LIST_INITHEAD(&private_output->layer_list);
603 LIST_INITHEAD(&private_output->layer_commit_handler_list);
606 _tdm_display_destroy_caps_output(&private_output->caps);
607 ret = _tdm_display_update_caps_output(private_module, private_output->pipe, output_backend, &private_output->caps);
608 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
610 if (private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)
611 private_output->current_mode = NULL;
614 /* do not use the layer object when the tdm_output has the hwc capability */
615 if ((private_output->caps.capabilities&TDM_OUTPUT_CAPABILITY_HWC) == 0) {
616 layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
617 if (ret != TDM_ERROR_NONE) {
622 for (i = 0; i < layer_count; i++) {
623 ret = _tdm_display_update_layer(private_output, layers[i], i);
624 if (ret != TDM_ERROR_NONE) {
633 if (output_created) {
634 ret = tdm_display_call_thread_cb_output_create(private_display, private_output);
635 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
638 return TDM_ERROR_NONE;
642 _tdm_display_set_main_first(tdm_output **outputs, int index)
644 tdm_output *output_tmp = NULL;
649 output_tmp = outputs[0];
650 outputs[0] = outputs[index];
651 outputs[index] = output_tmp;
655 _tdm_display_get_ordered_outputs(tdm_private_module *private_module, int *count)
657 tdm_func_display *func_display = &private_module->func_display;
658 tdm_output **outputs = NULL;
659 tdm_output *output_dsi = NULL;
660 tdm_output *output_lvds = NULL;
661 tdm_output *output_hdmia = NULL;
662 tdm_output *output_hdmib = NULL;
663 int i, output_count = 0, output_connected_count = 0;
664 int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
667 /* don't change list order if not init time */
668 if (private_module->outputs) {
669 TDM_ERR("can't change output order");
670 return private_module->outputs;
673 outputs = func_display->display_get_outputs(private_module->bdata, &output_count, &ret);
674 if (ret != TDM_ERROR_NONE)
677 *count = output_count;
679 if (output_count == 0)
681 else if (output_count == 1) {
682 private_module->outputs = outputs;
686 /* count connected outputs */
687 for (i = 0; i < output_count; i++) {
688 tdm_func_output *func_output = &private_module->func_output;
689 tdm_caps_output caps;
690 memset(&caps, 0, sizeof(tdm_caps_output));
692 ret = func_output->output_get_capability(outputs[i], &caps);
693 if (ret != TDM_ERROR_NONE) {
694 TDM_ERR("output_get_capability() failed");
698 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
699 output_connected_count++;
702 case TDM_OUTPUT_TYPE_DSI:
703 output_dsi = outputs[i];
706 case TDM_OUTPUT_TYPE_LVDS:
707 output_lvds = outputs[i];
710 case TDM_OUTPUT_TYPE_HDMIA:
711 output_hdmia = outputs[i];
714 case TDM_OUTPUT_TYPE_HDMIB:
715 output_hdmib = outputs[i];
723 _tdm_display_destroy_caps_output(&caps);
726 /* ordering : main output is first */
727 /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
728 * But hdmi is possible, so set hdmi to main display.
729 * If connected only one output, it is main output.
730 * If connected outputs over 2, has priority like below.
731 * (dsi > lvds > hdmi > else)
733 if (output_connected_count == 0) {
734 /* hdmi > dsi > lvds > else */
735 if (output_hdmia != NULL)
736 _tdm_display_set_main_first(outputs, index_hdmia);
737 else if (output_hdmib != NULL)
738 _tdm_display_set_main_first(outputs, index_hdmib);
739 else if (output_dsi != NULL)
740 _tdm_display_set_main_first(outputs, index_dsi);
741 else if (output_lvds != NULL)
742 _tdm_display_set_main_first(outputs, index_lvds);
743 } else { /* (output_connected_count > 1) */
744 /* dsi > lvds > hdmi > else */
745 if (output_dsi != NULL)
746 _tdm_display_set_main_first(outputs, index_dsi);
747 else if (output_lvds != NULL)
748 _tdm_display_set_main_first(outputs, index_lvds);
749 else if (output_hdmia != NULL)
750 _tdm_display_set_main_first(outputs, index_hdmia);
751 else if (output_hdmib != NULL)
752 _tdm_display_set_main_first(outputs, index_hdmib);
755 private_module->outputs = outputs;
766 _tdm_display_setup(tdm_private_display *private_display)
768 tdm_private_module *private_module = NULL;
769 tdm_error ret = TDM_ERROR_NONE;
770 int output_count = 0;
773 if (private_display->pp_module) {
774 ret = _tdm_display_update_caps_pp(private_display->pp_module,
775 &private_display->pp_module->caps_pp);
776 if (ret != TDM_ERROR_NONE)
780 if (private_display->capture_module) {
781 ret = _tdm_display_update_caps_capture(private_display->capture_module,
782 &private_display->capture_module->caps_capture);
783 if (ret != TDM_ERROR_NONE)
787 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
788 tdm_output **outputs;
791 outputs = _tdm_display_get_ordered_outputs(private_module, &count);
794 TDM_GOTO_IF_FAIL(outputs != NULL, failed_update);
796 for (i = 0; i < count; i++) {
797 ret = tdm_display_update_output(private_module, outputs[i]);
798 if (ret != TDM_ERROR_NONE)
804 /* At least, the output count should be greater than 0 to ensure tdm_vblank works.
805 * So we will create a dummy output when backends don't have any output.
806 * Without destroying a tdm_output object, this dummy output will be replaced with
807 * a virtual output which is created in runtime.
809 if (output_count == 0) {
810 tdm_output **outputs;
813 TDM_INIT_INFO("loading a %s backend", TDM_DUMMY_MODULE);
814 ret = _tdm_display_load_module_with_file(private_display, TDM_DUMMY_MODULE);
815 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed_update);
816 TDM_GOTO_IF_FAIL(private_display->dummy_module != NULL, failed_update);
818 private_module = private_display->dummy_module;
820 outputs = _tdm_display_get_ordered_outputs(private_module, &count);
821 TDM_GOTO_IF_FAIL(count > 0, failed_update);
822 TDM_GOTO_IF_FAIL(outputs != NULL, failed_update);
824 for (i = 0; i < count; i++) {
825 ret = tdm_display_update_output(private_module, outputs[i]);
826 if (ret != TDM_ERROR_NONE)
831 virtual = tdm_config_get_int(TDM_CONFIG_KEY_GENERAL_VIRTUAL_OUTPUT, 0);
833 TDM_INIT_INFO("loading a %s backend", TDM_VIRTUAL_MODULE);
834 ret = _tdm_display_load_module_with_file(private_display, TDM_VIRTUAL_MODULE);
835 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed_update);
836 TDM_GOTO_IF_FAIL(private_display->virtual_module != NULL, failed_update);
839 return TDM_ERROR_NONE;
842 _tdm_display_destroy_private_display(private_display);
848 tdm_display_update(tdm_display *dpy)
850 TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
852 TDM_DEPRECATED(NULL);
854 return TDM_ERROR_NONE;
857 int tdm_debug_module;
859 int tdm_ttrace_module;
860 int tdm_ttrace_output;
862 static tdm_private_display *g_private_display;
863 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
865 /* LCOV_EXCL_START */
867 _tdm_display_check_module(tdm_backend_module *module)
869 int tdm_backend_major, tdm_backend_minor;
870 int backend_module_major, backend_module_minor;
872 tdm_backend_major = TDM_BACKEND_GET_ABI_MAJOR(TDM_BACKEND_ABI_LATEST_VERSION);
873 tdm_backend_minor = TDM_BACKEND_GET_ABI_MINOR(TDM_BACKEND_ABI_LATEST_VERSION);
875 TDM_INFO("TDM Backend ABI version : %d.%d",
876 tdm_backend_major, tdm_backend_minor);
879 TDM_ERR("TDM backend doesn't have name");
880 return TDM_ERROR_BAD_MODULE;
883 if (!module->vendor) {
884 TDM_ERR("TDM backend doesn't have vendor");
885 return TDM_ERROR_BAD_MODULE;
888 backend_module_major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
889 backend_module_minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
891 TDM_INFO("TDM module name: %s", module->name);
892 TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
893 TDM_INFO("'%s' backend ABI version: %d.%d", module->name, backend_module_major, backend_module_minor);
895 if (backend_module_major > tdm_backend_major) {
896 TDM_ERR("'%s' major version(%d) is newer than %d",
897 module->name, backend_module_major, tdm_backend_major);
898 return TDM_ERROR_BAD_MODULE;
901 if (tdm_backend_major == backend_module_major &&
902 backend_module_minor > tdm_backend_minor) {
903 TDM_ERR("'%s' minor version(%d) is newer than %d",
904 module->name, backend_module_minor, tdm_backend_minor);
905 return TDM_ERROR_BAD_MODULE;
909 TDM_ERR("'%s' doesn't have init function", module->name);
910 return TDM_ERROR_BAD_MODULE;
913 if (!module->deinit) {
914 TDM_ERR("'%s' doesn't have deinit function", module->name);
915 return TDM_ERROR_BAD_MODULE;
918 return TDM_ERROR_NONE;
922 _tdm_display_check_backend_functions(tdm_private_module *private_module)
924 tdm_func_display *func_display = &private_module->func_display;
925 tdm_func_output *func_output = &private_module->func_output;
926 tdm_func_layer *func_layer = &private_module->func_layer;
929 /* below functions should be implemented in backend side */
931 TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
932 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capability, TDM_ERROR_BAD_MODULE);
933 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
934 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
935 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
936 TDM_RETURN_VAL_IF_FAIL(func_output->output_wait_vblank, TDM_ERROR_BAD_MODULE);
937 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_vblank_handler, TDM_ERROR_BAD_MODULE);
938 TDM_RETURN_VAL_IF_FAIL(func_output->output_commit, TDM_ERROR_BAD_MODULE);
939 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_commit_handler, TDM_ERROR_BAD_MODULE);
940 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_mode, TDM_ERROR_BAD_MODULE);
941 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
942 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_set_info, TDM_ERROR_BAD_MODULE);
943 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_info, TDM_ERROR_BAD_MODULE);
944 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_set_buffer, TDM_ERROR_BAD_MODULE);
945 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_unset_buffer, TDM_ERROR_BAD_MODULE);
947 ret = func_display->display_get_capability(private_module->bdata, &private_module->caps_display);
948 if (ret != TDM_ERROR_NONE) {
949 TDM_ERR("display_get_capability() failed");
950 return TDM_ERROR_BAD_MODULE;
953 if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
954 tdm_func_pp *func_pp = &private_module->func_pp;
955 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
956 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
957 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
958 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
959 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
962 if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
963 tdm_func_capture *func_capture = &private_module->func_capture;
964 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
965 if (private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT)
966 TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
967 if (private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_LAYER)
968 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
969 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
970 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
971 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
974 return TDM_ERROR_NONE;
978 _tdm_display_load_module_with_file(tdm_private_display *private_display,
981 char path[TDM_PATH_LEN] = {0,};
983 tdm_backend_module *module_data;
984 tdm_backend_data *bdata = NULL;
985 tdm_private_module *private_module = NULL;
990 size = snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
991 if (size >= (int)sizeof(path)) {
992 TDM_WRN("too long: %s/%s", TDM_MODULE_PATH, file);
993 return TDM_ERROR_BAD_MODULE;
996 private_module = calloc(1, sizeof *private_module);
997 if (!private_module) {
998 TDM_ERR("alloc failed: %m");
999 ret = TDM_ERROR_OUT_OF_MEMORY;
1003 private_module->private_display = private_display;
1005 stamp = tdm_helper_get_time();
1007 TDM_TRACE_BEGIN("TDM_Load_Backend");
1008 module = dlopen(path, RTLD_LAZY);
1010 TDM_ERR("%s", dlerror());
1012 ret = TDM_ERROR_NO_MODULE;
1016 private_module->module = module;
1018 module_data = dlsym(module, "tdm_backend_module_data");
1020 TDM_ERR("'%s' doesn't have data object", file);
1021 ret = TDM_ERROR_BAD_MODULE;
1027 private_module->module_data = module_data;
1029 TDM_DBG("dlopen, dlsym time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
1031 /* check if version, init() and deinit() are valid or not */
1032 ret = _tdm_display_check_module(module_data);
1033 if (ret != TDM_ERROR_NONE) {
1034 TDM_ERR("backend(%s) load failed: check module error", module_data->name);
1038 private_display->current_module = private_module;
1040 /* We don't care if backend_data is NULL or not. It's up to backend. */
1041 TDM_TRACE_BEGIN("TDM_Init_Backend");
1042 stamp = tdm_helper_get_time();
1043 TDM_INIT_INFO("init backend");
1044 bdata = module_data->init((tdm_display *)private_display, &ret);
1045 TDM_INIT_INFO("init backend done");
1046 TDM_DBG("backend init() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
1049 private_display->current_module = NULL;
1051 if (!strncmp(file, TDM_DUMMY_MODULE, TDM_NAME_LEN))
1052 private_display->dummy_module = private_module;
1054 if (!strncmp(file, TDM_VIRTUAL_MODULE, TDM_NAME_LEN))
1055 private_display->virtual_module = private_module;
1057 private_module->bdata = bdata;
1059 if (ret != TDM_ERROR_NONE) {
1060 TDM_ERR("backend(%s) load failed: init error", module_data->name);
1064 ret = _tdm_display_check_backend_functions(private_module);
1065 if (ret != TDM_ERROR_NONE) {
1066 TDM_ERR("backend(%s) load failed: check functions error", module_data->name);
1070 LIST_INITHEAD(&private_module->output_list);
1071 LIST_INITHEAD(&private_module->voutput_list);
1072 LIST_INITHEAD(&private_module->pp_list);
1073 LIST_INITHEAD(&private_module->capture_list);
1075 LIST_ADDTAIL(&private_module->link, &private_display->module_list);
1077 TDM_INIT_INFO("Success to load '%s' module", module_data->name);
1079 return TDM_ERROR_NONE;
1082 module_data->deinit(bdata);
1086 free(private_module);
1091 _tdm_display_load_modules(tdm_private_display *private_display)
1093 const char *module_names;
1094 tdm_error ret = TDM_ERROR_NONE;
1095 char temp[TDM_PATH_LEN];
1099 LIST_INITHEAD(&private_display->module_list);
1101 module_names = tdm_config_get_string(TDM_CONFIG_KEY_GENERAL_BACKENDS, TDM_DEFAULT_MODULE);
1103 snprintf(temp, TDM_PATH_LEN, "%s", module_names);
1105 arg = strtok_r(temp, TDM_CONFIG_DELIM, &end);
1107 TDM_INIT_INFO("loading a %s backend", arg);
1108 ret = _tdm_display_load_module_with_file(private_display, arg);
1109 if (ret == TDM_ERROR_NONE)
1110 TDM_INIT_INFO("%s backend loading success", arg);
1112 TDM_INIT_INFO("%s backend loading failed", arg);
1113 arg = strtok_r(NULL, TDM_CONFIG_DELIM, &end);
1120 _tdm_display_unload_modules(tdm_private_display *private_display)
1122 tdm_private_module *private_module = NULL, *bb = NULL;
1124 LIST_FOR_EACH_ENTRY_SAFE(private_module, bb, &private_display->module_list, link) {
1125 LIST_DEL(&private_module->link);
1127 if (private_module->module_data)
1128 private_module->module_data->deinit(private_module->bdata);
1129 if (private_module->module)
1130 dlclose(private_module->module);
1132 free(private_module);
1135 /* LCOV_EXCL_STOP */
1138 tdm_display_find_stamp(tdm_private_display *private_display, double stamp)
1140 return (void*)g_private_display;
1143 EXTERN tdm_display *
1144 tdm_display_init(tdm_error *error)
1146 tdm_private_display *private_display = NULL;
1149 double stamp1, stamp2, start;
1152 pthread_mutex_lock(&gLock);
1154 if (g_private_display) {
1155 g_private_display->init_count++;
1156 pthread_mutex_unlock(&gLock);
1158 *error = TDM_ERROR_NONE;
1159 return g_private_display;
1162 start = stamp1 = tdm_helper_get_time();
1164 private_display = calloc(1, sizeof(tdm_private_display));
1165 if (!private_display) {
1166 /* LCOV_EXCL_START */
1167 ret = TDM_ERROR_OUT_OF_MEMORY;
1168 TDM_ERR("'private_display != NULL' failed");
1170 /* LCOV_EXCL_STOP */
1173 private_display->stamp = tdm_helper_get_time();
1175 LIST_INITHEAD(&private_display->output_create_handler_list);
1177 str = tdm_config_get_string(TDM_CONFIG_KEY_DEBUG_MODULE, NULL);
1179 tdm_display_enable_debug_module(str);
1181 str = tdm_config_get_string(TDM_CONFIG_KEY_DEBUG_DUMP, NULL);
1183 tdm_display_enable_dump(private_display, str, NULL, NULL);
1185 if (pthread_mutex_init(&private_display->lock, NULL)) {
1186 /* LCOV_EXCL_START */
1187 ret = TDM_ERROR_OPERATION_FAILED;
1188 TDM_ERR("mutex init failed: %m");
1189 goto failed_mutex_init;
1190 /* LCOV_EXCL_STOP */
1193 _pthread_mutex_lock(&private_display->lock);
1195 stamp2 = tdm_helper_get_time();
1196 TDM_DBG("prepare init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1199 ret = tdm_event_loop_init(private_display);
1200 if (ret != TDM_ERROR_NONE)
1203 stamp2 = tdm_helper_get_time();
1204 TDM_INIT_INFO("event loop init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1207 ret = tdm_vblank_init(private_display);
1208 if (ret != TDM_ERROR_NONE)
1211 ret = tdm_output_init(private_display);
1212 if (ret != TDM_ERROR_NONE)
1215 ret = tdm_hwc_init(private_display);
1216 if (ret != TDM_ERROR_NONE)
1219 ret = tdm_pp_init(private_display);
1220 if (ret != TDM_ERROR_NONE)
1223 ret = tdm_capture_init(private_display);
1224 if (ret != TDM_ERROR_NONE)
1227 ret = _tdm_display_load_modules(private_display);
1228 if (!(ret == TDM_ERROR_NONE || ret == TDM_ERROR_NO_MODULE))
1231 stamp2 = tdm_helper_get_time();
1232 TDM_INIT_INFO("loading backend time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1236 int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
1237 if (tdm_drm_fd >= 0) {
1238 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
1240 if (!private_display->bufmgr) {
1241 TDM_ERR("tbm_bufmgr_init failed");
1244 TDM_INFO("tbm_bufmgr_init successed");
1247 stamp2 = tdm_helper_get_time();
1248 TDM_DBG("initializing bufmgr time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1253 TDM_TRACE_BEGIN("TDM_Update_Display");
1254 ret = _tdm_display_setup(private_display);
1255 TDM_INIT_INFO("updating display");
1257 if (ret != TDM_ERROR_NONE)
1260 stamp2 = tdm_helper_get_time();
1261 TDM_DBG("updating display time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1264 tdm_event_loop_create_backend_source(private_display);
1266 private_display->init_count = 1;
1267 g_private_display = private_display;
1269 /* the COMMIT_PER_VBLANK functionality is ability of an output to support
1270 * several operational modes (commit_per_vblank modes) related to tdm_commit;
1271 * this functionality can be turned off which means a default mode */
1272 mode = tdm_config_get_int(TDM_CONFIG_KEY_GENERAL_COMMIT_PER_VBLANK, 0);
1274 tdm_private_module *b = NULL;
1275 tdm_private_output *o = NULL;
1277 /* outputs which support hwc capability can work only
1278 * if commit_per_vblank mode is '0' (default mode) */
1279 LIST_FOR_EACH_ENTRY(b, &private_display->module_list, link) {
1280 LIST_FOR_EACH_ENTRY(o, &b->output_list, link) {
1281 if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
1282 tdm_output_choose_commit_per_vblank_mode(o, mode);
1288 *error = TDM_ERROR_NONE;
1290 tdm_thread_cb_set_find_func(TDM_THREAD_CB_DISPLAY_OUTPUT_CREATE, tdm_display_find_stamp);
1292 _pthread_mutex_unlock(&private_display->lock);
1293 pthread_mutex_unlock(&gLock);
1295 TDM_INIT_INFO("init time: %.3f ms", (tdm_helper_get_time() - start) * 1000.0);
1297 return (tdm_display *)private_display;
1299 /* LCOV_EXCL_START */
1301 _tdm_display_unload_modules(private_display);
1303 tdm_vblank_deinit(private_display);
1305 tdm_event_loop_stop(private_display);
1306 tdm_event_loop_deinit(private_display);
1308 _pthread_mutex_unlock(&private_display->lock);
1309 pthread_mutex_destroy(&private_display->lock);
1311 free(private_display);
1315 pthread_mutex_unlock(&gLock);
1317 /* LCOV_EXCL_STOP */
1321 tdm_display_deinit(tdm_display *dpy)
1323 tdm_private_display *private_display = dpy;
1325 if (!private_display)
1328 pthread_mutex_lock(&gLock);
1330 private_display->init_count--;
1331 if (private_display->init_count > 0) {
1332 pthread_mutex_unlock(&gLock);
1336 /* dont move the position of lock/unlock. all resource should be protected
1337 * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1338 * things because it's finalized.
1340 _pthread_mutex_lock(&private_display->lock);
1341 tdm_event_loop_stop(private_display);
1342 _pthread_mutex_unlock(&private_display->lock);
1344 tdm_event_loop_deinit(private_display);
1346 /* when private_output is destroyed, all vblank resources of client and server
1347 * are destroyed. Then we can call tdm_vblank_deinit. After destroying display,
1348 * we can unload backend modulues.
1350 _tdm_display_destroy_private_display(private_display);
1351 _tdm_display_unload_modules(private_display);
1353 tdm_vblank_deinit(private_display);
1356 if (private_display->bufmgr)
1357 tbm_bufmgr_deinit(private_display->bufmgr);
1360 tbm_drm_helper_unset_tbm_master_fd();
1362 pthread_mutex_destroy(&private_display->lock);
1363 free(private_display);
1364 g_private_display = NULL;
1366 if (tdm_debug_dump_dir) {
1367 free(tdm_debug_dump_dir);
1368 tdm_debug_dump_dir = NULL;
1371 tdm_config_deinit();
1373 pthread_mutex_unlock(&gLock);
1378 INTERN tdm_private_display *
1379 tdm_display_get(void)
1381 return g_private_display;