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);
340 LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
341 _tdm_display_destroy_private_layer(l);
344 _tdm_display_destroy_caps_output(&private_output->caps);
346 /* when destroying output, vblank objects are also destroyed. vblank checks
347 * if output object is valid. So delete the output's link at last.
349 LIST_DEL(&private_output->link);
351 private_output->stamp = 0;
352 free(private_output);
356 _tdm_display_destroy_private_display(tdm_private_display *private_display)
358 tdm_private_module *private_module = NULL, *bb = NULL;
359 tdm_private_output *o = NULL, *oo = NULL;
360 tdm_private_pp *p = NULL, *pp = NULL;
361 tdm_private_output_create_handler *ch = NULL, *chh = NULL;
363 LIST_FOR_EACH_ENTRY_SAFE(private_module, bb, &private_display->module_list, link) {
364 LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_module->pp_list, link) {
365 tdm_pp_destroy_internal(p);
368 LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_module->output_list, link) {
369 tdm_display_destroy_private_output(o);
372 _tdm_display_destroy_caps_pp(&private_module->caps_pp);
373 _tdm_display_destroy_caps_capture(&private_module->caps_capture);
375 private_module->capabilities = 0;
376 private_module->caps_display.max_layer_count = 0;
378 if (private_module->outputs) {
379 free(private_module->outputs);
380 private_module->outputs = NULL;
384 LIST_FOR_EACH_ENTRY_SAFE(ch, chh, &private_display->output_create_handler_list, link) {
386 tdm_thread_cb_remove(ch->private_display, TDM_THREAD_CB_DISPLAY_OUTPUT_CREATE, NULL,
387 tdm_display_thread_cb_output_create, ch);
393 _tdm_display_update_caps_pp(tdm_private_module *private_module, tdm_caps_pp *caps)
395 tdm_func_display *func_display;
398 func_display = &private_module->func_display;
400 if (!func_display->display_get_pp_capability) {
401 TDM_ERR("backend(%s) no display_get_pp_capability()", private_module->module_data->name);
402 return TDM_ERROR_BAD_MODULE;
405 ret = func_display->display_get_pp_capability(private_module->bdata, caps);
406 if (ret != TDM_ERROR_NONE) {
407 TDM_ERR("backend(%s) display_get_pp_capability() failed", private_module->module_data->name);
408 return TDM_ERROR_BAD_MODULE;
411 return TDM_ERROR_NONE;
415 _tdm_display_update_caps_capture(tdm_private_module *private_module, tdm_caps_capture *caps)
417 tdm_func_display *func_display;
420 func_display = &private_module->func_display;
422 if (!func_display->display_get_capture_capability) {
423 TDM_ERR("backend(%s) no display_get_capture_capability()", private_module->module_data->name);
424 return TDM_ERROR_BAD_MODULE;
427 ret = func_display->display_get_capture_capability(private_module->bdata, caps);
428 if (ret != TDM_ERROR_NONE) {
429 TDM_ERR("backend(%s) display_get_capture_capability() failed", private_module->module_data->name);
430 return TDM_ERROR_BAD_MODULE;
433 return TDM_ERROR_NONE;
437 _tdm_display_update_caps_layer(tdm_private_module *private_module,
438 tdm_layer *layer_backend, tdm_caps_layer *caps)
440 tdm_func_layer *func_layer = &private_module->func_layer;
443 if (!func_layer->layer_get_capability) {
444 TDM_ERR("backend(%s) no layer_get_capability()", private_module->module_data->name);
445 return TDM_ERROR_BAD_MODULE;
448 ret = func_layer->layer_get_capability(layer_backend, caps);
449 if (ret != TDM_ERROR_NONE) {
450 TDM_ERR("backend(%s) layer_get_capability() failed", private_module->module_data->name);
451 return TDM_ERROR_BAD_MODULE;
454 return TDM_ERROR_NONE;
458 _tdm_display_update_caps_output(tdm_private_module *private_module, int pipe,
459 tdm_output *output_backend, tdm_caps_output *caps)
461 tdm_func_output *func_output = &private_module->func_output;
462 char temp[TDM_NAME_LEN];
466 stamp = tdm_helper_get_time();
467 ret = func_output->output_get_capability(output_backend, caps);
468 TDM_DBG("backend(%s) backend output_get_capability() time: %.3f ms",
469 private_module->module_data->name, (tdm_helper_get_time() - stamp) * 1000.0);
471 if (ret != TDM_ERROR_NONE) {
472 TDM_ERR("backend(%s) output_get_capability() failed", private_module->module_data->name);
473 return TDM_ERROR_BAD_MODULE;
476 /* FIXME: Use model for tdm client to distinguish amoung outputs */
477 snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
478 snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
480 return TDM_ERROR_NONE;
484 _tdm_display_update_layer(tdm_private_output *private_output,
485 tdm_layer *layer_backend, int index)
487 tdm_private_layer *private_layer;
490 private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
491 if (!private_layer) {
492 private_layer = calloc(1, sizeof(tdm_private_layer));
493 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
495 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
496 LIST_INITHEAD(&private_layer->capture_list);
498 private_layer->index = index;
499 private_layer->private_module = private_output->private_module;
500 private_layer->private_display = private_output->private_display;
501 private_layer->private_output = private_output;
502 private_layer->layer_backend = layer_backend;
503 private_layer->usable = 1;
506 _tdm_display_destroy_caps_layer(&private_layer->caps);
508 ret = _tdm_display_update_caps_layer(private_output->private_module, layer_backend, &private_layer->caps);
509 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
511 return TDM_ERROR_NONE;
515 tdm_display_update_output(tdm_private_module *private_module, tdm_output *output_backend)
517 tdm_func_output *func_output = &private_module->func_output;
518 tdm_private_display *private_display = NULL;
519 tdm_private_output *private_output = NULL;
520 tdm_layer **layers = NULL;
521 tdm_private_hwc *private_hwc = NULL;
523 int layer_count = 0, i;
525 unsigned int output_created = 0;
527 private_display = private_module->private_display;
529 private_output = tdm_display_find_private_output(private_display, output_backend);
530 if (!private_output) {
531 unsigned int pipe = tdm_display_find_empty_output_pipe(private_display);
533 private_output = calloc(1, sizeof(tdm_private_output));
534 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
536 private_output->stamp = tdm_helper_get_time();
537 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
538 private_output->stamp++;
540 LIST_ADDTAIL(&private_output->link, &private_module->output_list);
542 private_output->private_module = private_module;
543 private_output->private_display = private_display;
544 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
545 private_output->output_backend = output_backend;
546 private_output->pipe = pipe;
547 private_output->index = pipe;
549 LIST_INITHEAD(&private_output->capture_list);
550 LIST_INITHEAD(&private_output->vblank_handler_list);
551 LIST_INITHEAD(&private_output->output_commit_handler_list);
552 LIST_INITHEAD(&private_output->pending_commit_handler_list);
553 LIST_INITHEAD(&private_output->destroy_handler_list);
554 LIST_INITHEAD(&private_output->change_handler_list);
555 LIST_INITHEAD(&private_output->mode_change_request_handler_list);
557 if (func_output->output_set_status_handler) {
558 func_output->output_set_status_handler(private_output->output_backend,
559 tdm_output_cb_status,
561 private_output->regist_change_cb = 1;
566 /* NOTE that output modes will be allocated newly after here */
567 _tdm_display_destroy_caps_output(&private_output->caps);
568 ret = _tdm_display_update_caps_output(private_module, private_output->pipe, output_backend, &private_output->caps);
569 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
571 if (private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)
572 private_output->current_mode = NULL;
574 /* get the tdm_hwc object */
575 if (private_output->caps.capabilities&TDM_OUTPUT_CAPABILITY_HWC) {
576 hwc = func_output->output_get_hwc(output_backend, &ret);
577 TDM_RETURN_VAL_IF_FAIL(hwc != NULL, ret);
579 private_hwc = calloc(1, sizeof(tdm_private_hwc));
580 TDM_RETURN_VAL_IF_FAIL(private_hwc != NULL, TDM_ERROR_OUT_OF_MEMORY);
582 private_hwc->private_module = private_module;
583 private_hwc->private_output = private_output;
584 private_hwc->hwc_backend = hwc;
585 private_hwc->index = pipe;
586 private_hwc->stamp = tdm_helper_get_time();
587 while (tdm_display_find_hwc_stamp(private_module->private_display, private_hwc->stamp))
588 private_hwc->stamp++;
590 LIST_INITHEAD(&private_hwc->hwc_window_list);
591 LIST_INITHEAD(&private_hwc->hwc_commit_handler_list);
593 private_output->private_hwc = private_hwc;
595 LIST_INITHEAD(&private_output->layer_list);
596 LIST_INITHEAD(&private_output->layer_commit_handler_list);
599 _tdm_display_destroy_caps_output(&private_output->caps);
600 ret = _tdm_display_update_caps_output(private_module, private_output->pipe, output_backend, &private_output->caps);
601 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
603 if (private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)
604 private_output->current_mode = NULL;
607 /* do not use the layer object when the tdm_output has the hwc capability */
608 if ((private_output->caps.capabilities&TDM_OUTPUT_CAPABILITY_HWC) == 0) {
609 layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
610 if (ret != TDM_ERROR_NONE) {
615 for (i = 0; i < layer_count; i++) {
616 ret = _tdm_display_update_layer(private_output, layers[i], i);
617 if (ret != TDM_ERROR_NONE) {
626 if (output_created) {
627 ret = tdm_display_call_thread_cb_output_create(private_display, private_output);
628 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
631 return TDM_ERROR_NONE;
635 _tdm_display_set_main_first(tdm_output **outputs, int index)
637 tdm_output *output_tmp = NULL;
642 output_tmp = outputs[0];
643 outputs[0] = outputs[index];
644 outputs[index] = output_tmp;
648 _tdm_display_get_ordered_outputs(tdm_private_module *private_module, int *count)
650 tdm_func_display *func_display = &private_module->func_display;
651 tdm_output **outputs = NULL;
652 tdm_output *output_dsi = NULL;
653 tdm_output *output_lvds = NULL;
654 tdm_output *output_hdmia = NULL;
655 tdm_output *output_hdmib = NULL;
656 int i, output_count = 0, output_connected_count = 0;
657 int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
660 /* don't change list order if not init time */
661 if (private_module->outputs) {
662 TDM_ERR("can't change output order");
663 return private_module->outputs;
666 outputs = func_display->display_get_outputs(private_module->bdata, &output_count, &ret);
667 if (ret != TDM_ERROR_NONE)
670 *count = output_count;
672 if (output_count == 0)
674 else if (output_count == 1) {
675 private_module->outputs = outputs;
679 /* count connected outputs */
680 for (i = 0; i < output_count; i++) {
681 tdm_func_output *func_output = &private_module->func_output;
682 tdm_caps_output caps;
683 memset(&caps, 0, sizeof(tdm_caps_output));
685 ret = func_output->output_get_capability(outputs[i], &caps);
686 if (ret != TDM_ERROR_NONE) {
687 TDM_ERR("output_get_capability() failed");
691 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
692 output_connected_count++;
695 case TDM_OUTPUT_TYPE_DSI:
696 output_dsi = outputs[i];
699 case TDM_OUTPUT_TYPE_LVDS:
700 output_lvds = outputs[i];
703 case TDM_OUTPUT_TYPE_HDMIA:
704 output_hdmia = outputs[i];
707 case TDM_OUTPUT_TYPE_HDMIB:
708 output_hdmib = outputs[i];
716 _tdm_display_destroy_caps_output(&caps);
719 /* ordering : main output is first */
720 /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
721 * But hdmi is possible, so set hdmi to main display.
722 * If connected only one output, it is main output.
723 * If connected outputs over 2, has priority like below.
724 * (dsi > lvds > hdmi > else)
726 if (output_connected_count == 0) {
727 /* hdmi > dsi > lvds > else */
728 if (output_hdmia != NULL)
729 _tdm_display_set_main_first(outputs, index_hdmia);
730 else if (output_hdmib != NULL)
731 _tdm_display_set_main_first(outputs, index_hdmib);
732 else if (output_dsi != NULL)
733 _tdm_display_set_main_first(outputs, index_dsi);
734 else if (output_lvds != NULL)
735 _tdm_display_set_main_first(outputs, index_lvds);
736 } else { /* (output_connected_count > 1) */
737 /* dsi > lvds > hdmi > else */
738 if (output_dsi != NULL)
739 _tdm_display_set_main_first(outputs, index_dsi);
740 else if (output_lvds != NULL)
741 _tdm_display_set_main_first(outputs, index_lvds);
742 else if (output_hdmia != NULL)
743 _tdm_display_set_main_first(outputs, index_hdmia);
744 else if (output_hdmib != NULL)
745 _tdm_display_set_main_first(outputs, index_hdmib);
748 private_module->outputs = outputs;
759 _tdm_display_setup(tdm_private_display *private_display)
761 tdm_private_module *private_module = NULL;
762 tdm_error ret = TDM_ERROR_NONE;
763 int output_count = 0;
766 if (private_display->pp_module) {
767 ret = _tdm_display_update_caps_pp(private_display->pp_module,
768 &private_display->pp_module->caps_pp);
769 if (ret != TDM_ERROR_NONE)
773 if (private_display->capture_module) {
774 ret = _tdm_display_update_caps_capture(private_display->capture_module,
775 &private_display->capture_module->caps_capture);
776 if (ret != TDM_ERROR_NONE)
780 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
781 tdm_output **outputs;
784 outputs = _tdm_display_get_ordered_outputs(private_module, &count);
787 TDM_GOTO_IF_FAIL(outputs != NULL, failed_update);
789 for (i = 0; i < count; i++) {
790 ret = tdm_display_update_output(private_module, outputs[i]);
791 if (ret != TDM_ERROR_NONE)
797 /* At least, the output count should be greater than 0 to ensure tdm_vblank works.
798 * So we will create a dummy output when backends don't have any output.
799 * Without destroying a tdm_output object, this dummy output will be replaced with
800 * a virtual output which is created in runtime.
802 if (output_count == 0) {
803 tdm_output **outputs;
806 TDM_INFO("loading a %s backend", TDM_DUMMY_MODULE);
807 ret = _tdm_display_load_module_with_file(private_display, TDM_DUMMY_MODULE);
808 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed_update);
809 TDM_GOTO_IF_FAIL(private_display->dummy_module != NULL, failed_update);
811 private_module = private_display->dummy_module;
813 outputs = _tdm_display_get_ordered_outputs(private_module, &count);
814 TDM_GOTO_IF_FAIL(count > 0, failed_update);
815 TDM_GOTO_IF_FAIL(outputs != NULL, failed_update);
817 for (i = 0; i < count; i++) {
818 ret = tdm_display_update_output(private_module, outputs[i]);
819 if (ret != TDM_ERROR_NONE)
824 virtual = tdm_config_get_int(TDM_CONFIG_KEY_GENERAL_VIRTUAL_OUTPUT, 0);
826 TDM_INFO("loading a %s backend", TDM_VIRTUAL_MODULE);
827 ret = _tdm_display_load_module_with_file(private_display, TDM_VIRTUAL_MODULE);
828 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed_update);
829 TDM_GOTO_IF_FAIL(private_display->virtual_module != NULL, failed_update);
832 return TDM_ERROR_NONE;
835 _tdm_display_destroy_private_display(private_display);
841 tdm_display_update(tdm_display *dpy)
843 TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
845 TDM_DEPRECATED(NULL);
847 return TDM_ERROR_NONE;
850 int tdm_debug_module;
852 int tdm_ttrace_module;
853 int tdm_ttrace_output;
855 static tdm_private_display *g_private_display;
856 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
858 /* LCOV_EXCL_START */
860 _tdm_display_check_module(tdm_backend_module *module)
862 int tdm_backend_major, tdm_backend_minor;
863 int backend_module_major, backend_module_minor;
865 tdm_backend_major = TDM_BACKEND_GET_ABI_MAJOR(TDM_BACKEND_ABI_LATEST_VERSION);
866 tdm_backend_minor = TDM_BACKEND_GET_ABI_MINOR(TDM_BACKEND_ABI_LATEST_VERSION);
868 TDM_INFO("TDM Backend ABI version : %d.%d",
869 tdm_backend_major, tdm_backend_minor);
872 TDM_ERR("TDM backend doesn't have name");
873 return TDM_ERROR_BAD_MODULE;
876 if (!module->vendor) {
877 TDM_ERR("TDM backend doesn't have vendor");
878 return TDM_ERROR_BAD_MODULE;
881 backend_module_major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
882 backend_module_minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
884 TDM_INFO("TDM module name: %s", module->name);
885 TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
886 TDM_INFO("'%s' backend ABI version: %d.%d", module->name, backend_module_major, backend_module_minor);
888 if (backend_module_major > tdm_backend_major) {
889 TDM_ERR("'%s' major version(%d) is newer than %d",
890 module->name, backend_module_major, tdm_backend_major);
891 return TDM_ERROR_BAD_MODULE;
894 if (tdm_backend_major == backend_module_major &&
895 backend_module_minor > tdm_backend_minor) {
896 TDM_ERR("'%s' minor version(%d) is newer than %d",
897 module->name, backend_module_minor, tdm_backend_minor);
898 return TDM_ERROR_BAD_MODULE;
902 TDM_ERR("'%s' doesn't have init function", module->name);
903 return TDM_ERROR_BAD_MODULE;
906 if (!module->deinit) {
907 TDM_ERR("'%s' doesn't have deinit function", module->name);
908 return TDM_ERROR_BAD_MODULE;
911 return TDM_ERROR_NONE;
915 _tdm_display_check_backend_functions(tdm_private_module *private_module)
917 tdm_func_display *func_display = &private_module->func_display;
918 tdm_func_output *func_output = &private_module->func_output;
919 tdm_func_layer *func_layer = &private_module->func_layer;
922 /* below functions should be implemented in backend side */
924 TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
925 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capability, TDM_ERROR_BAD_MODULE);
926 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
927 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
928 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
929 TDM_RETURN_VAL_IF_FAIL(func_output->output_wait_vblank, TDM_ERROR_BAD_MODULE);
930 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_vblank_handler, TDM_ERROR_BAD_MODULE);
931 TDM_RETURN_VAL_IF_FAIL(func_output->output_commit, TDM_ERROR_BAD_MODULE);
932 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_commit_handler, TDM_ERROR_BAD_MODULE);
933 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_mode, TDM_ERROR_BAD_MODULE);
934 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
935 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_set_info, TDM_ERROR_BAD_MODULE);
936 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_info, TDM_ERROR_BAD_MODULE);
937 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_set_buffer, TDM_ERROR_BAD_MODULE);
938 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_unset_buffer, TDM_ERROR_BAD_MODULE);
940 ret = func_display->display_get_capability(private_module->bdata, &private_module->caps_display);
941 if (ret != TDM_ERROR_NONE) {
942 TDM_ERR("display_get_capability() failed");
943 return TDM_ERROR_BAD_MODULE;
946 if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
947 tdm_func_pp *func_pp = &private_module->func_pp;
948 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
949 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
950 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
951 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
952 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
955 if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
956 tdm_func_capture *func_capture = &private_module->func_capture;
957 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
958 if (private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT)
959 TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
960 if (private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_LAYER)
961 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
962 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
963 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
964 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
967 return TDM_ERROR_NONE;
971 _tdm_display_load_module_with_file(tdm_private_display *private_display,
974 char path[TDM_PATH_LEN] = {0,};
976 tdm_backend_module *module_data;
977 tdm_backend_data *bdata = NULL;
978 tdm_private_module *private_module = NULL;
983 size = snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
984 if (size >= (int)sizeof(path)) {
985 TDM_WRN("too long: %s/%s", TDM_MODULE_PATH, file);
986 return TDM_ERROR_BAD_MODULE;
989 private_module = calloc(1, sizeof *private_module);
990 if (!private_module) {
991 TDM_ERR("alloc failed: %m");
992 ret = TDM_ERROR_OUT_OF_MEMORY;
996 private_module->private_display = private_display;
998 stamp = tdm_helper_get_time();
1000 TDM_TRACE_BEGIN("TDM_Load_Backend");
1001 module = dlopen(path, RTLD_LAZY);
1003 TDM_ERR("%s", dlerror());
1005 ret = TDM_ERROR_NO_MODULE;
1009 private_module->module = module;
1011 module_data = dlsym(module, "tdm_backend_module_data");
1013 TDM_ERR("'%s' doesn't have data object", file);
1014 ret = TDM_ERROR_BAD_MODULE;
1020 private_module->module_data = module_data;
1022 TDM_DBG("dlopen, dlsym time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
1024 /* check if version, init() and deinit() are valid or not */
1025 ret = _tdm_display_check_module(module_data);
1026 if (ret != TDM_ERROR_NONE) {
1027 TDM_ERR("backend(%s) load failed: check module error", module_data->name);
1031 private_display->current_module = private_module;
1033 /* We don't care if backend_data is NULL or not. It's up to backend. */
1034 TDM_TRACE_BEGIN("TDM_Init_Backend");
1035 stamp = tdm_helper_get_time();
1036 bdata = module_data->init((tdm_display *)private_display, &ret);
1037 TDM_DBG("backend init() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
1040 private_display->current_module = NULL;
1042 if (!strncmp(file, TDM_DUMMY_MODULE, TDM_NAME_LEN))
1043 private_display->dummy_module = private_module;
1045 if (!strncmp(file, TDM_VIRTUAL_MODULE, TDM_NAME_LEN))
1046 private_display->virtual_module = private_module;
1048 private_module->bdata = bdata;
1050 if (ret != TDM_ERROR_NONE) {
1051 TDM_ERR("backend(%s) load failed: init error", module_data->name);
1055 ret = _tdm_display_check_backend_functions(private_module);
1056 if (ret != TDM_ERROR_NONE) {
1057 TDM_ERR("backend(%s) load failed: check functions error", module_data->name);
1061 LIST_INITHEAD(&private_module->output_list);
1062 LIST_INITHEAD(&private_module->voutput_list);
1063 LIST_INITHEAD(&private_module->pp_list);
1064 LIST_INITHEAD(&private_module->capture_list);
1066 LIST_ADDTAIL(&private_module->link, &private_display->module_list);
1068 TDM_INFO("Success to load '%s' module", module_data->name);
1070 return TDM_ERROR_NONE;
1073 module_data->deinit(bdata);
1077 free(private_module);
1082 _tdm_display_load_modules(tdm_private_display *private_display)
1084 const char *module_names;
1085 tdm_error ret = TDM_ERROR_NONE;
1086 char temp[TDM_PATH_LEN];
1090 LIST_INITHEAD(&private_display->module_list);
1092 module_names = tdm_config_get_string(TDM_CONFIG_KEY_GENERAL_BACKENDS, TDM_DEFAULT_MODULE);
1094 snprintf(temp, TDM_PATH_LEN, "%s", module_names);
1096 arg = strtok_r(temp, TDM_CONFIG_DELIM, &end);
1098 TDM_INFO("loading a %s backend", arg);
1099 ret = _tdm_display_load_module_with_file(private_display, arg);
1100 if (ret == TDM_ERROR_NONE)
1101 TDM_INFO("%s backend loading success", arg);
1103 TDM_INFO("%s backend loading failed", arg);
1104 arg = strtok_r(NULL, TDM_CONFIG_DELIM, &end);
1111 _tdm_display_unload_modules(tdm_private_display *private_display)
1113 tdm_private_module *private_module = NULL, *bb = NULL;
1115 LIST_FOR_EACH_ENTRY_SAFE(private_module, bb, &private_display->module_list, link) {
1116 LIST_DEL(&private_module->link);
1118 if (private_module->module_data)
1119 private_module->module_data->deinit(private_module->bdata);
1120 if (private_module->module)
1121 dlclose(private_module->module);
1123 free(private_module);
1126 /* LCOV_EXCL_STOP */
1129 tdm_display_find_stamp(tdm_private_display *private_display, double stamp)
1131 return (void*)g_private_display;
1134 EXTERN tdm_display *
1135 tdm_display_init(tdm_error *error)
1137 tdm_private_display *private_display = NULL;
1140 double stamp1, stamp2, start;
1143 pthread_mutex_lock(&gLock);
1145 if (g_private_display) {
1146 g_private_display->init_count++;
1147 pthread_mutex_unlock(&gLock);
1149 *error = TDM_ERROR_NONE;
1150 return g_private_display;
1153 start = stamp1 = tdm_helper_get_time();
1155 private_display = calloc(1, sizeof(tdm_private_display));
1156 if (!private_display) {
1157 /* LCOV_EXCL_START */
1158 ret = TDM_ERROR_OUT_OF_MEMORY;
1159 TDM_ERR("'private_display != NULL' failed");
1161 /* LCOV_EXCL_STOP */
1164 private_display->stamp = tdm_helper_get_time();
1166 LIST_INITHEAD(&private_display->output_create_handler_list);
1168 str = tdm_config_get_string(TDM_CONFIG_KEY_DEBUG_MODULE, NULL);
1170 tdm_display_enable_debug_module(str);
1172 str = tdm_config_get_string(TDM_CONFIG_KEY_DEBUG_DUMP, NULL);
1174 tdm_display_enable_dump(private_display, str, NULL, NULL);
1176 if (pthread_mutex_init(&private_display->lock, NULL)) {
1177 /* LCOV_EXCL_START */
1178 ret = TDM_ERROR_OPERATION_FAILED;
1179 TDM_ERR("mutex init failed: %m");
1180 goto failed_mutex_init;
1181 /* LCOV_EXCL_STOP */
1184 _pthread_mutex_lock(&private_display->lock);
1186 stamp2 = tdm_helper_get_time();
1187 TDM_DBG("prepare init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1190 ret = tdm_event_loop_init(private_display);
1191 if (ret != TDM_ERROR_NONE)
1194 stamp2 = tdm_helper_get_time();
1195 TDM_INFO("event loop init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1198 ret = tdm_vblank_init(private_display);
1199 if (ret != TDM_ERROR_NONE)
1202 ret = tdm_output_init(private_display);
1203 if (ret != TDM_ERROR_NONE)
1206 ret = tdm_hwc_init(private_display);
1207 if (ret != TDM_ERROR_NONE)
1210 ret = tdm_pp_init(private_display);
1211 if (ret != TDM_ERROR_NONE)
1214 ret = tdm_capture_init(private_display);
1215 if (ret != TDM_ERROR_NONE)
1218 ret = _tdm_display_load_modules(private_display);
1219 if (!(ret == TDM_ERROR_NONE || ret == TDM_ERROR_NO_MODULE))
1222 stamp2 = tdm_helper_get_time();
1223 TDM_INFO("loading backend time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1227 int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
1228 if (tdm_drm_fd >= 0) {
1229 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
1231 if (!private_display->bufmgr) {
1232 TDM_ERR("tbm_bufmgr_init failed");
1235 TDM_INFO("tbm_bufmgr_init successed");
1238 stamp2 = tdm_helper_get_time();
1239 TDM_DBG("initializing bufmgr time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1244 TDM_TRACE_BEGIN("TDM_Update_Display");
1245 ret = _tdm_display_setup(private_display);
1247 if (ret != TDM_ERROR_NONE)
1250 stamp2 = tdm_helper_get_time();
1251 TDM_DBG("updating display time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1254 tdm_event_loop_create_backend_source(private_display);
1256 private_display->init_count = 1;
1257 g_private_display = private_display;
1259 /* the COMMIT_PER_VBLANK functionality is ability of an output to support
1260 * several operational modes (commit_per_vblank modes) related to tdm_commit;
1261 * this functionality can be turned off which means a default mode */
1262 mode = tdm_config_get_int(TDM_CONFIG_KEY_GENERAL_COMMIT_PER_VBLANK, 0);
1264 tdm_private_module *b = NULL;
1265 tdm_private_output *o = NULL;
1267 /* outputs which support hwc capability can work only
1268 * if commit_per_vblank mode is '0' (default mode) */
1269 LIST_FOR_EACH_ENTRY(b, &private_display->module_list, link) {
1270 LIST_FOR_EACH_ENTRY(o, &b->output_list, link) {
1271 if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
1272 tdm_output_choose_commit_per_vblank_mode(o, mode);
1278 *error = TDM_ERROR_NONE;
1280 tdm_thread_cb_set_find_func(TDM_THREAD_CB_DISPLAY_OUTPUT_CREATE, tdm_display_find_stamp);
1282 _pthread_mutex_unlock(&private_display->lock);
1283 pthread_mutex_unlock(&gLock);
1285 TDM_INFO("init time: %.3f ms", (tdm_helper_get_time() - start) * 1000.0);
1287 return (tdm_display *)private_display;
1289 /* LCOV_EXCL_START */
1291 _tdm_display_unload_modules(private_display);
1293 tdm_vblank_deinit(private_display);
1295 tdm_event_loop_stop(private_display);
1296 tdm_event_loop_deinit(private_display);
1298 _pthread_mutex_unlock(&private_display->lock);
1299 pthread_mutex_destroy(&private_display->lock);
1301 free(private_display);
1305 pthread_mutex_unlock(&gLock);
1307 /* LCOV_EXCL_STOP */
1311 tdm_display_deinit(tdm_display *dpy)
1313 tdm_private_display *private_display = dpy;
1315 if (!private_display)
1318 pthread_mutex_lock(&gLock);
1320 private_display->init_count--;
1321 if (private_display->init_count > 0) {
1322 pthread_mutex_unlock(&gLock);
1326 /* dont move the position of lock/unlock. all resource should be protected
1327 * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1328 * things because it's finalized.
1330 _pthread_mutex_lock(&private_display->lock);
1331 tdm_event_loop_stop(private_display);
1332 _pthread_mutex_unlock(&private_display->lock);
1334 tdm_event_loop_deinit(private_display);
1336 /* when private_output is destroyed, all vblank resources of client and server
1337 * are destroyed. Then we can call tdm_vblank_deinit. After destroying display,
1338 * we can unload backend modulues.
1340 _tdm_display_destroy_private_display(private_display);
1341 _tdm_display_unload_modules(private_display);
1343 tdm_vblank_deinit(private_display);
1346 if (private_display->bufmgr)
1347 tbm_bufmgr_deinit(private_display->bufmgr);
1350 tbm_drm_helper_unset_tbm_master_fd();
1352 pthread_mutex_destroy(&private_display->lock);
1353 free(private_display);
1354 g_private_display = NULL;
1356 if (tdm_debug_dump_dir) {
1357 free(tdm_debug_dump_dir);
1358 tdm_debug_dump_dir = NULL;
1361 tdm_config_deinit();
1363 pthread_mutex_unlock(&gLock);
1368 INTERN tdm_private_display *
1369 tdm_display_get(void)
1371 return g_private_display;