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 memset(caps, 0, sizeof(tdm_caps_pp));
409 ret = func_display->display_get_pp_capability(private_module->bdata, caps);
410 if (ret != TDM_ERROR_NONE) {
411 TDM_ERR("backend(%s) display_get_pp_capability() failed", private_module->module_data->name);
412 return TDM_ERROR_BAD_MODULE;
415 return TDM_ERROR_NONE;
419 _tdm_display_update_caps_capture(tdm_private_module *private_module, tdm_caps_capture *caps)
421 tdm_func_display *func_display;
424 func_display = &private_module->func_display;
426 if (!func_display->display_get_capture_capability) {
427 TDM_ERR("backend(%s) no display_get_capture_capability()", private_module->module_data->name);
428 return TDM_ERROR_BAD_MODULE;
431 ret = func_display->display_get_capture_capability(private_module->bdata, caps);
432 if (ret != TDM_ERROR_NONE) {
433 TDM_ERR("backend(%s) display_get_capture_capability() failed", private_module->module_data->name);
434 return TDM_ERROR_BAD_MODULE;
437 return TDM_ERROR_NONE;
441 _tdm_display_update_caps_layer(tdm_private_module *private_module,
442 tdm_layer *layer_backend, tdm_caps_layer *caps)
444 tdm_func_layer *func_layer = &private_module->func_layer;
447 if (!func_layer->layer_get_capability) {
448 TDM_ERR("backend(%s) no layer_get_capability()", private_module->module_data->name);
449 return TDM_ERROR_BAD_MODULE;
452 ret = func_layer->layer_get_capability(layer_backend, caps);
453 if (ret != TDM_ERROR_NONE) {
454 TDM_ERR("backend(%s) layer_get_capability() failed", private_module->module_data->name);
455 return TDM_ERROR_BAD_MODULE;
458 return TDM_ERROR_NONE;
462 _tdm_display_update_caps_output(tdm_private_module *private_module, int pipe,
463 tdm_output *output_backend, tdm_caps_output *caps)
465 tdm_func_output *func_output = &private_module->func_output;
466 char temp[TDM_NAME_LEN];
471 stamp = tdm_helper_get_time();
472 ret = func_output->output_get_capability(output_backend, caps);
473 TDM_DBG("backend(%s) backend output_get_capability() time: %.3f ms",
474 private_module->module_data->name, (tdm_helper_get_time() - stamp) * 1000.0);
476 if (ret != TDM_ERROR_NONE) {
477 TDM_ERR("backend(%s) output_get_capability() failed", private_module->module_data->name);
478 return TDM_ERROR_BAD_MODULE;
481 /* FIXME: Use model for tdm client to distinguish amoung outputs */
482 n = snprintf(temp, sizeof(temp), "%s-%d", caps->model, pipe);
483 if ((size_t)n >= sizeof(temp)) {
484 temp[sizeof(temp) - 1] = '\0';
487 snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
489 return TDM_ERROR_NONE;
493 _tdm_display_update_layer(tdm_private_output *private_output,
494 tdm_layer *layer_backend, int index)
496 tdm_private_layer *private_layer;
499 private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
500 if (!private_layer) {
501 private_layer = calloc(1, sizeof(tdm_private_layer));
502 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
504 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
505 LIST_INITHEAD(&private_layer->capture_list);
507 private_layer->index = index;
508 private_layer->private_module = private_output->private_module;
509 private_layer->private_display = private_output->private_display;
510 private_layer->private_output = private_output;
511 private_layer->layer_backend = layer_backend;
512 private_layer->usable = 1;
515 _tdm_display_destroy_caps_layer(&private_layer->caps);
517 ret = _tdm_display_update_caps_layer(private_output->private_module, layer_backend, &private_layer->caps);
518 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
520 return TDM_ERROR_NONE;
524 tdm_display_update_output(tdm_private_module *private_module, tdm_output *output_backend)
526 tdm_func_output *func_output = &private_module->func_output;
527 tdm_private_display *private_display = NULL;
528 tdm_private_output *private_output = NULL;
529 tdm_layer **layers = NULL;
530 tdm_private_hwc *private_hwc = NULL;
532 int layer_count = 0, i;
534 unsigned int output_created = 0;
536 private_display = private_module->private_display;
538 private_output = tdm_display_find_private_output(private_display, output_backend);
539 if (!private_output) {
540 unsigned int pipe = tdm_display_find_empty_output_pipe(private_display);
542 private_output = calloc(1, sizeof(tdm_private_output));
543 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
545 private_output->stamp = tdm_helper_get_time();
546 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
547 private_output->stamp++;
549 LIST_ADDTAIL(&private_output->link, &private_module->output_list);
551 private_output->private_module = private_module;
552 private_output->private_display = private_display;
553 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
554 private_output->output_backend = output_backend;
555 private_output->pipe = pipe;
556 private_output->index = pipe;
558 LIST_INITHEAD(&private_output->capture_list);
559 LIST_INITHEAD(&private_output->vblank_handler_list);
560 LIST_INITHEAD(&private_output->output_commit_handler_list);
561 LIST_INITHEAD(&private_output->pending_commit_handler_list);
562 LIST_INITHEAD(&private_output->destroy_handler_list);
563 LIST_INITHEAD(&private_output->change_handler_list);
564 LIST_INITHEAD(&private_output->mode_change_request_handler_list);
566 if (func_output->output_set_status_handler) {
567 func_output->output_set_status_handler(private_output->output_backend,
568 tdm_output_cb_status,
570 private_output->regist_change_cb = 1;
575 /* NOTE that output modes will be allocated newly after here */
576 _tdm_display_destroy_caps_output(&private_output->caps);
577 ret = _tdm_display_update_caps_output(private_module, private_output->pipe, output_backend, &private_output->caps);
578 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
580 if (private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)
581 private_output->current_mode = NULL;
583 /* get the tdm_hwc object */
584 if (private_output->caps.capabilities&TDM_OUTPUT_CAPABILITY_HWC) {
585 hwc = func_output->output_get_hwc(output_backend, &ret);
586 TDM_RETURN_VAL_IF_FAIL(hwc != NULL, ret);
588 private_hwc = calloc(1, sizeof(tdm_private_hwc));
589 TDM_RETURN_VAL_IF_FAIL(private_hwc != NULL, TDM_ERROR_OUT_OF_MEMORY);
591 private_hwc->private_module = private_module;
592 private_hwc->private_output = private_output;
593 private_hwc->hwc_backend = hwc;
594 private_hwc->index = pipe;
595 private_hwc->stamp = tdm_helper_get_time();
596 while (tdm_display_find_hwc_stamp(private_module->private_display, private_hwc->stamp))
597 private_hwc->stamp++;
599 LIST_INITHEAD(&private_hwc->hwc_window_list);
600 LIST_INITHEAD(&private_hwc->hwc_commit_handler_list);
602 private_output->private_hwc = private_hwc;
604 LIST_INITHEAD(&private_output->layer_list);
605 LIST_INITHEAD(&private_output->layer_commit_handler_list);
608 _tdm_display_destroy_caps_output(&private_output->caps);
609 ret = _tdm_display_update_caps_output(private_module, private_output->pipe, output_backend, &private_output->caps);
610 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
612 if (private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)
613 private_output->current_mode = NULL;
616 /* do not use the layer object when the tdm_output has the hwc capability */
617 if ((private_output->caps.capabilities&TDM_OUTPUT_CAPABILITY_HWC) == 0) {
618 layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
619 if (ret != TDM_ERROR_NONE) {
624 for (i = 0; i < layer_count; i++) {
625 ret = _tdm_display_update_layer(private_output, layers[i], i);
626 if (ret != TDM_ERROR_NONE) {
635 if (output_created) {
636 ret = tdm_display_call_thread_cb_output_create(private_display, private_output);
637 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
640 return TDM_ERROR_NONE;
644 _tdm_display_set_main_first(tdm_output **outputs, int index)
646 tdm_output *output_tmp = NULL;
651 output_tmp = outputs[0];
652 outputs[0] = outputs[index];
653 outputs[index] = output_tmp;
657 _tdm_display_get_ordered_outputs(tdm_private_module *private_module, int *count)
659 tdm_func_display *func_display = &private_module->func_display;
660 tdm_output **outputs = NULL;
661 tdm_output *output_dsi = NULL;
662 tdm_output *output_lvds = NULL;
663 tdm_output *output_hdmia = NULL;
664 tdm_output *output_hdmib = NULL;
665 int i, output_count = 0, output_connected_count = 0;
666 int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
669 /* don't change list order if not init time */
670 if (private_module->outputs) {
671 TDM_ERR("can't change output order");
672 return private_module->outputs;
675 outputs = func_display->display_get_outputs(private_module->bdata, &output_count, &ret);
676 if (ret != TDM_ERROR_NONE)
679 *count = output_count;
681 if (output_count == 0)
683 else if (output_count == 1) {
684 private_module->outputs = outputs;
688 /* count connected outputs */
689 for (i = 0; i < output_count; i++) {
690 tdm_func_output *func_output = &private_module->func_output;
691 tdm_caps_output caps;
692 memset(&caps, 0, sizeof(tdm_caps_output));
694 ret = func_output->output_get_capability(outputs[i], &caps);
695 if (ret != TDM_ERROR_NONE) {
696 TDM_ERR("output_get_capability() failed");
700 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
701 output_connected_count++;
704 case TDM_OUTPUT_TYPE_DSI:
705 output_dsi = outputs[i];
708 case TDM_OUTPUT_TYPE_LVDS:
709 output_lvds = outputs[i];
712 case TDM_OUTPUT_TYPE_HDMIA:
713 output_hdmia = outputs[i];
716 case TDM_OUTPUT_TYPE_HDMIB:
717 output_hdmib = outputs[i];
725 _tdm_display_destroy_caps_output(&caps);
728 /* ordering : main output is first */
729 /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
730 * But hdmi is possible, so set hdmi to main display.
731 * If connected only one output, it is main output.
732 * If connected outputs over 2, has priority like below.
733 * (dsi > lvds > hdmi > else)
735 if (output_connected_count == 0) {
736 /* hdmi > dsi > lvds > else */
737 if (output_hdmia != NULL)
738 _tdm_display_set_main_first(outputs, index_hdmia);
739 else if (output_hdmib != NULL)
740 _tdm_display_set_main_first(outputs, index_hdmib);
741 else if (output_dsi != NULL)
742 _tdm_display_set_main_first(outputs, index_dsi);
743 else if (output_lvds != NULL)
744 _tdm_display_set_main_first(outputs, index_lvds);
745 } else { /* (output_connected_count > 1) */
746 /* dsi > lvds > hdmi > else */
747 if (output_dsi != NULL)
748 _tdm_display_set_main_first(outputs, index_dsi);
749 else if (output_lvds != NULL)
750 _tdm_display_set_main_first(outputs, index_lvds);
751 else if (output_hdmia != NULL)
752 _tdm_display_set_main_first(outputs, index_hdmia);
753 else if (output_hdmib != NULL)
754 _tdm_display_set_main_first(outputs, index_hdmib);
757 private_module->outputs = outputs;
768 _tdm_display_setup(tdm_private_display *private_display)
770 tdm_private_module *private_module = NULL;
771 tdm_error ret = TDM_ERROR_NONE;
772 int output_count = 0;
774 int virtual_hwc_target_buffer_bo_default = 0;
776 if (private_display->pp_module) {
777 ret = _tdm_display_update_caps_pp(private_display->pp_module,
778 &private_display->pp_module->caps_pp);
779 if (ret != TDM_ERROR_NONE)
783 if (private_display->capture_module) {
784 ret = _tdm_display_update_caps_capture(private_display->capture_module,
785 &private_display->capture_module->caps_capture);
786 if (ret != TDM_ERROR_NONE)
790 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
791 tdm_output **outputs;
794 outputs = _tdm_display_get_ordered_outputs(private_module, &count);
797 TDM_GOTO_IF_FAIL(outputs != NULL, failed_update);
799 for (i = 0; i < count; i++) {
800 ret = tdm_display_update_output(private_module, outputs[i]);
801 if (ret != TDM_ERROR_NONE)
807 /* At least, the output count should be greater than 0 to ensure tdm_vblank works.
808 * So we will create a dummy output when backends don't have any output.
809 * Without destroying a tdm_output object, this dummy output will be replaced with
810 * a virtual output which is created in runtime.
812 if (output_count == 0) {
813 tdm_output **outputs;
816 TDM_INIT_INFO("loading a %s backend", TDM_DUMMY_MODULE);
817 ret = _tdm_display_load_module_with_file(private_display, TDM_DUMMY_MODULE);
818 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed_update);
819 TDM_GOTO_IF_FAIL(private_display->dummy_module != NULL, failed_update);
821 private_module = private_display->dummy_module;
823 outputs = _tdm_display_get_ordered_outputs(private_module, &count);
824 TDM_GOTO_IF_FAIL(count > 0, failed_update);
825 TDM_GOTO_IF_FAIL(outputs != NULL, failed_update);
827 for (i = 0; i < count; i++) {
828 ret = tdm_display_update_output(private_module, outputs[i]);
829 if (ret != TDM_ERROR_NONE)
834 virtual = tdm_config_get_int(TDM_CONFIG_KEY_GENERAL_VIRTUAL_OUTPUT, 0);
836 TDM_INIT_INFO("loading a %s backend", TDM_VIRTUAL_MODULE);
837 ret = _tdm_display_load_module_with_file(private_display, TDM_VIRTUAL_MODULE);
838 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed_update);
839 TDM_GOTO_IF_FAIL(private_display->virtual_module != NULL, failed_update);
841 virtual_hwc_target_buffer_bo_default = tdm_config_get_int(TDM_CONFIG_KEY_GENERAL_VIRTUAL_OUTPUT_HWC_TARGET_BO_DEFAULT, 0);
842 if (virtual_hwc_target_buffer_bo_default)
843 private_display->virtual_module->use_default_type_bo = 1;
846 return TDM_ERROR_NONE;
849 _tdm_display_destroy_private_display(private_display);
855 tdm_display_update(tdm_display *dpy)
857 TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
859 TDM_DEPRECATED(NULL);
861 return TDM_ERROR_NONE;
864 int tdm_debug_module;
866 int tdm_ttrace_module;
867 int tdm_ttrace_output;
869 static tdm_private_display *g_private_display;
870 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
872 /* LCOV_EXCL_START */
874 _tdm_display_check_module(tdm_backend_module *module)
876 int tdm_backend_major, tdm_backend_minor;
877 int backend_module_major, backend_module_minor;
879 tdm_backend_major = TDM_BACKEND_GET_ABI_MAJOR(TDM_BACKEND_ABI_LATEST_VERSION);
880 tdm_backend_minor = TDM_BACKEND_GET_ABI_MINOR(TDM_BACKEND_ABI_LATEST_VERSION);
882 TDM_INFO("TDM Backend ABI version : %d.%d",
883 tdm_backend_major, tdm_backend_minor);
886 TDM_ERR("TDM backend doesn't have name");
887 return TDM_ERROR_BAD_MODULE;
890 if (!module->vendor) {
891 TDM_ERR("TDM backend doesn't have vendor");
892 return TDM_ERROR_BAD_MODULE;
895 backend_module_major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
896 backend_module_minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
898 TDM_INFO("TDM module name: %s", module->name);
899 TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
900 TDM_INFO("'%s' backend ABI version: %d.%d", module->name, backend_module_major, backend_module_minor);
902 if (backend_module_major > tdm_backend_major) {
903 TDM_ERR("'%s' major version(%d) is newer than %d",
904 module->name, backend_module_major, tdm_backend_major);
905 return TDM_ERROR_BAD_MODULE;
908 if (tdm_backend_major == backend_module_major &&
909 backend_module_minor > tdm_backend_minor) {
910 TDM_ERR("'%s' minor version(%d) is newer than %d",
911 module->name, backend_module_minor, tdm_backend_minor);
912 return TDM_ERROR_BAD_MODULE;
916 TDM_ERR("'%s' doesn't have init function", module->name);
917 return TDM_ERROR_BAD_MODULE;
920 if (!module->deinit) {
921 TDM_ERR("'%s' doesn't have deinit function", module->name);
922 return TDM_ERROR_BAD_MODULE;
925 return TDM_ERROR_NONE;
929 _tdm_display_check_backend_functions(tdm_private_module *private_module)
931 tdm_func_display *func_display = &private_module->func_display;
932 tdm_func_output *func_output = &private_module->func_output;
933 tdm_func_layer *func_layer = &private_module->func_layer;
936 /* below functions should be implemented in backend side */
938 TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
939 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capability, TDM_ERROR_BAD_MODULE);
940 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
941 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
942 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
943 TDM_RETURN_VAL_IF_FAIL(func_output->output_wait_vblank, TDM_ERROR_BAD_MODULE);
944 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_vblank_handler, TDM_ERROR_BAD_MODULE);
945 TDM_RETURN_VAL_IF_FAIL(func_output->output_commit, TDM_ERROR_BAD_MODULE);
946 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_commit_handler, TDM_ERROR_BAD_MODULE);
947 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_mode, TDM_ERROR_BAD_MODULE);
948 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
949 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_set_info, TDM_ERROR_BAD_MODULE);
950 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_info, TDM_ERROR_BAD_MODULE);
951 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_set_buffer, TDM_ERROR_BAD_MODULE);
952 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_unset_buffer, TDM_ERROR_BAD_MODULE);
954 ret = func_display->display_get_capability(private_module->bdata, &private_module->caps_display);
955 if (ret != TDM_ERROR_NONE) {
956 TDM_ERR("display_get_capability() failed");
957 return TDM_ERROR_BAD_MODULE;
960 if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
961 tdm_func_pp *func_pp = &private_module->func_pp;
962 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
963 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
964 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
965 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
966 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
969 if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
970 tdm_func_capture *func_capture = &private_module->func_capture;
971 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
972 if (private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT)
973 TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
974 if (private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_LAYER)
975 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
976 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
977 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
978 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
981 return TDM_ERROR_NONE;
985 _tdm_display_load_module_with_file(tdm_private_display *private_display,
988 char path[TDM_PATH_LEN] = {0,};
990 tdm_backend_module *module_data;
991 tdm_backend_data *bdata = NULL;
992 tdm_private_module *private_module = NULL;
997 size = snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
998 if (size >= (int)sizeof(path)) {
999 TDM_WRN("too long: %s/%s", TDM_MODULE_PATH, file);
1000 return TDM_ERROR_BAD_MODULE;
1003 private_module = calloc(1, sizeof *private_module);
1004 if (!private_module) {
1005 TDM_ERR("alloc failed: %m");
1006 ret = TDM_ERROR_OUT_OF_MEMORY;
1010 private_module->private_display = private_display;
1012 stamp = tdm_helper_get_time();
1014 TDM_TRACE_BEGIN("TDM_Load_Backend");
1015 module = dlopen(path, RTLD_LAZY);
1017 TDM_ERR("%s", dlerror());
1019 ret = TDM_ERROR_NO_MODULE;
1023 private_module->module = module;
1025 module_data = dlsym(module, "tdm_backend_module_data");
1027 TDM_ERR("'%s' doesn't have data object", file);
1028 ret = TDM_ERROR_BAD_MODULE;
1034 private_module->module_data = module_data;
1036 TDM_DBG("dlopen, dlsym time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
1038 /* check if version, init() and deinit() are valid or not */
1039 ret = _tdm_display_check_module(module_data);
1040 if (ret != TDM_ERROR_NONE) {
1041 TDM_ERR("backend(%s) load failed: check module error", module_data->name);
1045 private_display->current_module = private_module;
1047 /* We don't care if backend_data is NULL or not. It's up to backend. */
1048 TDM_TRACE_BEGIN("TDM_Init_Backend");
1049 stamp = tdm_helper_get_time();
1050 TDM_INIT_INFO("init backend");
1051 bdata = module_data->init((tdm_display *)private_display, &ret);
1052 TDM_INIT_INFO("init backend done");
1053 TDM_DBG("backend init() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
1056 private_display->current_module = NULL;
1058 if (!strncmp(file, TDM_DUMMY_MODULE, TDM_NAME_LEN))
1059 private_display->dummy_module = private_module;
1061 if (!strncmp(file, TDM_VIRTUAL_MODULE, TDM_NAME_LEN))
1062 private_display->virtual_module = private_module;
1064 private_module->bdata = bdata;
1066 if (ret != TDM_ERROR_NONE) {
1067 TDM_ERR("backend(%s) load failed: init error", module_data->name);
1071 ret = _tdm_display_check_backend_functions(private_module);
1072 if (ret != TDM_ERROR_NONE) {
1073 TDM_ERR("backend(%s) load failed: check functions error", module_data->name);
1077 LIST_INITHEAD(&private_module->output_list);
1078 LIST_INITHEAD(&private_module->voutput_list);
1079 LIST_INITHEAD(&private_module->pp_list);
1080 LIST_INITHEAD(&private_module->capture_list);
1082 LIST_ADDTAIL(&private_module->link, &private_display->module_list);
1084 TDM_INIT_INFO("Success to load '%s' module", module_data->name);
1086 return TDM_ERROR_NONE;
1089 module_data->deinit(bdata);
1093 free(private_module);
1098 _tdm_display_load_modules(tdm_private_display *private_display)
1100 const char *module_names;
1101 tdm_error ret = TDM_ERROR_NONE;
1102 char temp[TDM_PATH_LEN];
1106 LIST_INITHEAD(&private_display->module_list);
1108 module_names = tdm_config_get_string(TDM_CONFIG_KEY_GENERAL_BACKENDS, TDM_DEFAULT_MODULE);
1110 snprintf(temp, TDM_PATH_LEN, "%s", module_names);
1112 arg = strtok_r(temp, TDM_CONFIG_DELIM, &end);
1114 TDM_INIT_INFO("loading a %s backend", arg);
1115 ret = _tdm_display_load_module_with_file(private_display, arg);
1116 if (ret == TDM_ERROR_NONE)
1117 TDM_INIT_INFO("%s backend loading success", arg);
1119 TDM_INIT_INFO("%s backend loading failed", arg);
1120 arg = strtok_r(NULL, TDM_CONFIG_DELIM, &end);
1127 _tdm_display_unload_modules(tdm_private_display *private_display)
1129 tdm_private_module *private_module = NULL, *bb = NULL;
1131 LIST_FOR_EACH_ENTRY_SAFE(private_module, bb, &private_display->module_list, link) {
1132 LIST_DEL(&private_module->link);
1134 if (private_module->module_data)
1135 private_module->module_data->deinit(private_module->bdata);
1136 if (private_module->module)
1137 dlclose(private_module->module);
1139 free(private_module);
1142 /* LCOV_EXCL_STOP */
1145 tdm_display_find_stamp(tdm_private_display *private_display, double stamp)
1147 return (void*)g_private_display;
1150 EXTERN tdm_display *
1151 tdm_display_init(tdm_error *error)
1153 tdm_private_display *private_display = NULL;
1156 double stamp1, stamp2, start;
1159 pthread_mutex_lock(&gLock);
1161 if (g_private_display) {
1162 g_private_display->init_count++;
1163 pthread_mutex_unlock(&gLock);
1165 *error = TDM_ERROR_NONE;
1166 return g_private_display;
1169 start = stamp1 = tdm_helper_get_time();
1171 private_display = calloc(1, sizeof(tdm_private_display));
1172 if (!private_display) {
1173 /* LCOV_EXCL_START */
1174 ret = TDM_ERROR_OUT_OF_MEMORY;
1175 TDM_ERR("'private_display != NULL' failed");
1177 /* LCOV_EXCL_STOP */
1180 private_display->stamp = tdm_helper_get_time();
1182 LIST_INITHEAD(&private_display->output_create_handler_list);
1184 str = tdm_config_get_string(TDM_CONFIG_KEY_DEBUG_MODULE, NULL);
1186 tdm_display_enable_debug_module(str);
1188 str = tdm_config_get_string(TDM_CONFIG_KEY_DEBUG_DUMP, NULL);
1190 tdm_display_enable_dump(private_display, str, NULL, NULL);
1192 if (pthread_mutex_init(&private_display->lock, NULL)) {
1193 /* LCOV_EXCL_START */
1194 ret = TDM_ERROR_OPERATION_FAILED;
1195 TDM_ERR("mutex init failed: %m");
1196 goto failed_mutex_init;
1197 /* LCOV_EXCL_STOP */
1200 _pthread_mutex_lock(&private_display->lock);
1202 stamp2 = tdm_helper_get_time();
1203 TDM_DBG("prepare init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1206 ret = tdm_event_loop_init(private_display);
1207 if (ret != TDM_ERROR_NONE)
1210 stamp2 = tdm_helper_get_time();
1211 TDM_INIT_INFO("event loop init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1214 ret = tdm_vblank_init(private_display);
1215 if (ret != TDM_ERROR_NONE)
1218 ret = tdm_output_init(private_display);
1219 if (ret != TDM_ERROR_NONE)
1222 ret = tdm_hwc_init(private_display);
1223 if (ret != TDM_ERROR_NONE)
1226 ret = tdm_pp_init(private_display);
1227 if (ret != TDM_ERROR_NONE)
1230 ret = tdm_capture_init(private_display);
1231 if (ret != TDM_ERROR_NONE)
1234 ret = _tdm_display_load_modules(private_display);
1235 if (!(ret == TDM_ERROR_NONE || ret == TDM_ERROR_NO_MODULE))
1238 stamp2 = tdm_helper_get_time();
1239 TDM_INIT_INFO("loading backend time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1243 int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
1244 if (tdm_drm_fd >= 0) {
1245 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
1247 if (!private_display->bufmgr) {
1248 TDM_ERR("tbm_bufmgr_init failed");
1251 TDM_INFO("tbm_bufmgr_init successed");
1254 stamp2 = tdm_helper_get_time();
1255 TDM_DBG("initializing bufmgr time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1260 TDM_TRACE_BEGIN("TDM_Update_Display");
1261 ret = _tdm_display_setup(private_display);
1262 TDM_INIT_INFO("updating display");
1264 if (ret != TDM_ERROR_NONE)
1267 stamp2 = tdm_helper_get_time();
1268 TDM_DBG("updating display time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1271 tdm_event_loop_create_backend_source(private_display);
1273 private_display->init_count = 1;
1274 g_private_display = private_display;
1276 /* the COMMIT_PER_VBLANK functionality is ability of an output to support
1277 * several operational modes (commit_per_vblank modes) related to tdm_commit;
1278 * this functionality can be turned off which means a default mode */
1279 mode = tdm_config_get_int(TDM_CONFIG_KEY_GENERAL_COMMIT_PER_VBLANK, 0);
1281 tdm_private_module *b = NULL;
1282 tdm_private_output *o = NULL;
1284 /* outputs which support hwc capability can work only
1285 * if commit_per_vblank mode is '0' (default mode) */
1286 LIST_FOR_EACH_ENTRY(b, &private_display->module_list, link) {
1287 LIST_FOR_EACH_ENTRY(o, &b->output_list, link) {
1288 if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
1289 tdm_output_choose_commit_per_vblank_mode(o, mode);
1295 *error = TDM_ERROR_NONE;
1297 tdm_thread_cb_set_find_func(TDM_THREAD_CB_DISPLAY_OUTPUT_CREATE, tdm_display_find_stamp);
1299 _pthread_mutex_unlock(&private_display->lock);
1300 pthread_mutex_unlock(&gLock);
1302 TDM_INIT_INFO("init time: %.3f ms", (tdm_helper_get_time() - start) * 1000.0);
1304 return (tdm_display *)private_display;
1306 /* LCOV_EXCL_START */
1308 _tdm_display_unload_modules(private_display);
1310 tdm_vblank_deinit(private_display);
1312 tdm_event_loop_stop(private_display);
1313 tdm_event_loop_deinit(private_display);
1315 _pthread_mutex_unlock(&private_display->lock);
1316 pthread_mutex_destroy(&private_display->lock);
1318 free(private_display);
1322 pthread_mutex_unlock(&gLock);
1324 /* LCOV_EXCL_STOP */
1328 tdm_display_deinit(tdm_display *dpy)
1330 tdm_private_display *private_display = dpy;
1332 if (!private_display)
1335 pthread_mutex_lock(&gLock);
1337 private_display->init_count--;
1338 if (private_display->init_count > 0) {
1339 pthread_mutex_unlock(&gLock);
1343 /* dont move the position of lock/unlock. all resource should be protected
1344 * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1345 * things because it's finalized.
1347 _pthread_mutex_lock(&private_display->lock);
1348 tdm_event_loop_stop(private_display);
1349 _pthread_mutex_unlock(&private_display->lock);
1351 tdm_event_loop_deinit(private_display);
1353 /* when private_output is destroyed, all vblank resources of client and server
1354 * are destroyed. Then we can call tdm_vblank_deinit. After destroying display,
1355 * we can unload backend modulues.
1357 _tdm_display_destroy_private_display(private_display);
1358 _tdm_display_unload_modules(private_display);
1360 tdm_vblank_deinit(private_display);
1363 if (private_display->bufmgr)
1364 tbm_bufmgr_deinit(private_display->bufmgr);
1367 tbm_drm_helper_unset_tbm_master_fd();
1369 pthread_mutex_destroy(&private_display->lock);
1370 free(private_display);
1371 g_private_display = NULL;
1373 if (tdm_debug_dump_dir) {
1374 free(tdm_debug_dump_dir);
1375 tdm_debug_dump_dir = NULL;
1378 tdm_config_deinit();
1380 pthread_mutex_unlock(&gLock);
1385 INTERN tdm_private_display *
1386 tdm_display_get(void)
1388 return g_private_display;