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_hwc(tdm_private_display *private_display, tdm_hwc *hwc_backend)
133 tdm_private_module *private_module = NULL;
134 tdm_private_output *private_output = NULL;
135 tdm_private_hwc *private_hwc = NULL;
137 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
138 LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
139 if (!private_output->private_hwc) continue;
140 private_hwc = private_output->private_hwc;
141 if (private_hwc->hwc_backend == hwc_backend)
150 tdm_display_find_hwc_stamp(tdm_private_display *private_display, double stamp)
152 tdm_private_module *private_module = NULL;
153 tdm_private_output *private_output = NULL;
154 tdm_private_hwc *private_hwc = NULL;
156 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
157 LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
158 if (!private_output->private_hwc) continue;
159 private_hwc = private_output->private_hwc;
160 if (private_hwc->stamp == stamp)
169 _tdm_display_destroy_caps_pp(tdm_caps_pp *caps_pp)
171 if (caps_pp->formats)
172 free(caps_pp->formats);
174 memset(caps_pp, 0, sizeof(tdm_caps_pp));
178 _tdm_display_destroy_caps_capture(tdm_caps_capture *caps_capture)
180 if (caps_capture->formats)
181 free(caps_capture->formats);
183 memset(caps_capture, 0, sizeof(tdm_caps_capture));
187 _tdm_display_destroy_caps_layer(tdm_caps_layer *caps_layer)
189 if (caps_layer->formats)
190 free(caps_layer->formats);
192 if (caps_layer->props)
193 free(caps_layer->props);
195 memset(caps_layer, 0, sizeof(tdm_caps_layer));
199 _tdm_display_destroy_caps_output(tdm_caps_output *caps_output)
201 if (caps_output->modes)
202 free(caps_output->modes);
204 if (caps_output->props)
205 free(caps_output->props);
207 memset(caps_output, 0, sizeof(tdm_caps_output));
211 _tdm_display_destroy_private_layer(tdm_private_layer *private_layer)
213 tdm_private_capture *c = NULL, *cc = NULL;
215 tdm_layer_unset_buffer_internal(private_layer);
217 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_layer->capture_list, link)
218 tdm_capture_destroy_internal(c);
220 _tdm_display_destroy_caps_layer(&private_layer->caps);
222 /* when destroying layer, someone could check if layer is valid. So delete
223 * the layer's link at last.
225 LIST_DEL(&private_layer->link);
231 tdm_display_destroy_private_output(tdm_private_output *private_output)
233 tdm_private_display *private_display = private_output->private_display;
234 tdm_private_layer *l = NULL, *ll = NULL;
235 tdm_private_hwc *private_hwc = NULL;
236 tdm_private_hwc_window *hw = NULL, *hww = NULL;
237 tdm_private_capture *c = NULL, *cc = NULL;
238 tdm_private_output_vblank_handler *v = NULL, *vv = NULL;
239 tdm_private_output_commit_handler *om = NULL, *omm = NULL;
240 tdm_private_hwc_commit_handler *hm = NULL, *hmm = NULL;
241 tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
242 tdm_private_output_change_handler *h = NULL, *hh = NULL;
243 tdm_private_output_destroy_handler *dh = NULL, *dhh = NULL;
246 ret = tdm_output_call_thread_cb_destroy(private_output);
247 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
249 free(private_output->layers_ptr);
251 if (private_output->vblank_timeout_timer)
252 tdm_event_loop_source_remove(private_output->vblank_timeout_timer);
254 LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
259 LIST_FOR_EACH_ENTRY_SAFE(om, omm, &private_output->output_commit_handler_list, link) {
264 if (private_output->private_hwc) {
265 private_hwc = private_output->private_hwc;
266 LIST_FOR_EACH_ENTRY_SAFE(hm, hmm, &private_hwc->hwc_commit_handler_list, link) {
271 LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
277 LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
282 LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list, link) {
284 tdm_thread_cb_remove(h->private_output, TDM_THREAD_CB_OUTPUT_DPMS, NULL, tdm_output_thread_cb_change, h);
285 tdm_thread_cb_remove(h->private_output, TDM_THREAD_CB_OUTPUT_STATUS, NULL, tdm_output_thread_cb_change, h);
289 LIST_FOR_EACH_ENTRY_SAFE(dh, dhh, &private_output->destroy_handler_list, link) {
291 tdm_thread_cb_remove(dh->private_output, TDM_THREAD_CB_OUTPUT_DESTROY, NULL, tdm_output_thread_cb_destroy, dh);
295 if (private_output->vblank) {
296 /* tdm_vblank APIs is for server. it should be called in unlock status*/
297 _pthread_mutex_unlock(&private_display->lock);
298 tdm_vblank_destroy(private_output->vblank);
299 _pthread_mutex_lock(&private_display->lock);
302 if (private_output->ttrace_vblank) {
303 /* tdm_vblank APIs is for server. it should be called in unlock status*/
304 _pthread_mutex_unlock(&private_display->lock);
305 tdm_vblank_destroy(private_output->ttrace_vblank);
306 _pthread_mutex_lock(&private_display->lock);
309 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_output->capture_list, link)
310 tdm_capture_destroy_internal(c);
312 if (private_output->private_hwc) {
313 private_hwc = private_output->private_hwc;
314 LIST_FOR_EACH_ENTRY_SAFE(hw, hww, &private_hwc->hwc_window_list, link)
315 tdm_hwc_window_destroy_internal(hw);
318 LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
319 _tdm_display_destroy_private_layer(l);
322 _tdm_display_destroy_caps_output(&private_output->caps);
324 /* when destroying output, vblank objects are also destroyed. vblank checks
325 * if output object is valid. So delete the output's link at last.
327 LIST_DEL(&private_output->link);
329 private_output->stamp = 0;
330 free(private_output);
334 _tdm_display_destroy_private_display(tdm_private_display *private_display)
336 tdm_private_module *private_module = NULL, *bb = NULL;
337 tdm_private_output *o = NULL, *oo = NULL;
338 tdm_private_pp *p = NULL, *pp = NULL;
339 tdm_private_output_create_handler *ch = NULL, *chh = NULL;
341 LIST_FOR_EACH_ENTRY_SAFE(private_module, bb, &private_display->module_list, link) {
342 LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_module->pp_list, link) {
343 tdm_pp_destroy_internal(p);
346 LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_module->output_list, link) {
347 tdm_display_destroy_private_output(o);
350 _tdm_display_destroy_caps_pp(&private_module->caps_pp);
351 _tdm_display_destroy_caps_capture(&private_module->caps_capture);
353 private_module->capabilities = 0;
354 private_module->caps_display.max_layer_count = 0;
356 if (private_module->outputs) {
357 free(private_module->outputs);
358 private_module->outputs = NULL;
362 LIST_FOR_EACH_ENTRY_SAFE(ch, chh, &private_display->output_create_handler_list, link) {
364 tdm_thread_cb_remove(ch->private_display, TDM_THREAD_CB_DISPLAY_OUTPUT_CREATE, NULL,
365 tdm_display_thread_cb_output_create, ch);
371 _tdm_display_update_caps_pp(tdm_private_module *private_module, tdm_caps_pp *caps)
373 tdm_func_display *func_display;
376 func_display = &private_module->func_display;
378 if (!func_display->display_get_pp_capability) {
379 TDM_ERR("backend(%s) no display_get_pp_capability()", private_module->module_data->name);
380 return TDM_ERROR_BAD_MODULE;
383 ret = func_display->display_get_pp_capability(private_module->bdata, caps);
384 if (ret != TDM_ERROR_NONE) {
385 TDM_ERR("backend(%s) display_get_pp_capability() failed", private_module->module_data->name);
386 return TDM_ERROR_BAD_MODULE;
389 return TDM_ERROR_NONE;
393 _tdm_display_update_caps_capture(tdm_private_module *private_module, tdm_caps_capture *caps)
395 tdm_func_display *func_display;
398 func_display = &private_module->func_display;
400 if (!func_display->display_get_capture_capability) {
401 TDM_ERR("backend(%s) no display_get_capture_capability()", private_module->module_data->name);
402 return TDM_ERROR_BAD_MODULE;
405 ret = func_display->display_get_capture_capability(private_module->bdata, caps);
406 if (ret != TDM_ERROR_NONE) {
407 TDM_ERR("backend(%s) display_get_capture_capability() failed", private_module->module_data->name);
408 return TDM_ERROR_BAD_MODULE;
411 return TDM_ERROR_NONE;
415 _tdm_display_update_caps_layer(tdm_private_module *private_module,
416 tdm_layer *layer_backend, tdm_caps_layer *caps)
418 tdm_func_layer *func_layer = &private_module->func_layer;
421 if (!func_layer->layer_get_capability) {
422 TDM_ERR("backend(%s) no layer_get_capability()", private_module->module_data->name);
423 return TDM_ERROR_BAD_MODULE;
426 ret = func_layer->layer_get_capability(layer_backend, caps);
427 if (ret != TDM_ERROR_NONE) {
428 TDM_ERR("backend(%s) layer_get_capability() failed", private_module->module_data->name);
429 return TDM_ERROR_BAD_MODULE;
432 return TDM_ERROR_NONE;
436 _tdm_display_update_caps_output(tdm_private_module *private_module, int pipe,
437 tdm_output *output_backend, tdm_caps_output *caps)
439 tdm_func_output *func_output = &private_module->func_output;
440 char temp[TDM_NAME_LEN];
444 stamp = tdm_helper_get_time();
445 ret = func_output->output_get_capability(output_backend, caps);
446 TDM_DBG("backend(%s) backend output_get_capability() time: %.3f ms",
447 private_module->module_data->name, (tdm_helper_get_time() - stamp) * 1000.0);
449 if (ret != TDM_ERROR_NONE) {
450 TDM_ERR("backend(%s) output_get_capability() failed", private_module->module_data->name);
451 return TDM_ERROR_BAD_MODULE;
454 /* FIXME: Use model for tdm client to distinguish amoung outputs */
455 snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
456 snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
458 return TDM_ERROR_NONE;
462 _tdm_display_update_layer(tdm_private_output *private_output,
463 tdm_layer *layer_backend, int index)
465 tdm_private_layer *private_layer;
468 private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
469 if (!private_layer) {
470 private_layer = calloc(1, sizeof(tdm_private_layer));
471 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
473 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
474 LIST_INITHEAD(&private_layer->capture_list);
476 private_layer->index = index;
477 private_layer->private_module = private_output->private_module;
478 private_layer->private_display = private_output->private_display;
479 private_layer->private_output = private_output;
480 private_layer->layer_backend = layer_backend;
481 private_layer->usable = 1;
484 _tdm_display_destroy_caps_layer(&private_layer->caps);
486 ret = _tdm_display_update_caps_layer(private_output->private_module, layer_backend, &private_layer->caps);
487 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
489 return TDM_ERROR_NONE;
493 tdm_display_update_output(tdm_private_module *private_module, tdm_output *output_backend)
495 tdm_func_output *func_output = &private_module->func_output;
496 tdm_private_display *private_display = NULL;
497 tdm_private_output *private_output = NULL;
498 tdm_layer **layers = NULL;
499 tdm_private_hwc *private_hwc = NULL;
501 int layer_count = 0, i;
503 unsigned int output_created = 0;
505 private_display = private_module->private_display;
507 private_output = tdm_display_find_private_output(private_display, output_backend);
508 if (!private_output) {
509 unsigned int pipe = tdm_display_find_empty_output_pipe(private_display);
511 private_output = calloc(1, sizeof(tdm_private_output));
512 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
514 private_output->stamp = tdm_helper_get_time();
515 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
516 private_output->stamp++;
518 LIST_ADDTAIL(&private_output->link, &private_module->output_list);
520 private_output->private_module = private_module;
521 private_output->private_display = private_display;
522 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
523 private_output->output_backend = output_backend;
524 private_output->pipe = pipe;
525 private_output->index = pipe;
527 LIST_INITHEAD(&private_output->capture_list);
528 LIST_INITHEAD(&private_output->vblank_handler_list);
529 LIST_INITHEAD(&private_output->output_commit_handler_list);
530 LIST_INITHEAD(&private_output->pending_commit_handler_list);
531 LIST_INITHEAD(&private_output->destroy_handler_list);
532 LIST_INITHEAD(&private_output->change_handler_list);
533 LIST_INITHEAD(&private_output->mode_change_request_handler_list);
535 if (func_output->output_set_status_handler) {
536 func_output->output_set_status_handler(private_output->output_backend,
537 tdm_output_cb_status,
539 private_output->regist_change_cb = 1;
544 /* NOTE that output modes will be allocated newly after here */
545 _tdm_display_destroy_caps_output(&private_output->caps);
546 ret = _tdm_display_update_caps_output(private_module, private_output->pipe, output_backend, &private_output->caps);
547 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
549 if (private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)
550 private_output->current_mode = NULL;
552 /* get the tdm_hwc object */
553 if (private_output->caps.capabilities&TDM_OUTPUT_CAPABILITY_HWC) {
554 hwc = func_output->output_get_hwc(output_backend, &ret);
555 TDM_RETURN_VAL_IF_FAIL(hwc != NULL, ret);
557 private_hwc = calloc(1, sizeof(tdm_private_hwc));
558 TDM_RETURN_VAL_IF_FAIL(private_hwc != NULL, TDM_ERROR_OUT_OF_MEMORY);
560 private_hwc->private_module = private_module;
561 private_hwc->private_output = private_output;
562 private_hwc->hwc_backend = hwc;
563 private_hwc->index = pipe;
564 private_hwc->stamp = tdm_helper_get_time();
565 while (tdm_display_find_hwc_stamp(private_module->private_display, private_hwc->stamp))
566 private_hwc->stamp++;
568 LIST_INITHEAD(&private_hwc->hwc_window_list);
569 LIST_INITHEAD(&private_hwc->hwc_commit_handler_list);
571 private_output->private_hwc = private_hwc;
573 LIST_INITHEAD(&private_output->layer_list);
574 LIST_INITHEAD(&private_output->layer_commit_handler_list);
577 _tdm_display_destroy_caps_output(&private_output->caps);
578 ret = _tdm_display_update_caps_output(private_module, private_output->pipe, output_backend, &private_output->caps);
579 TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
581 if (private_output->caps.status == TDM_OUTPUT_CONN_STATUS_DISCONNECTED)
582 private_output->current_mode = NULL;
585 /* do not use the layer object when the tdm_output has the hwc capability */
586 if ((private_output->caps.capabilities&TDM_OUTPUT_CAPABILITY_HWC) == 0) {
587 layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
588 if (ret != TDM_ERROR_NONE) {
593 for (i = 0; i < layer_count; i++) {
594 ret = _tdm_display_update_layer(private_output, layers[i], i);
595 if (ret != TDM_ERROR_NONE) {
604 if (output_created) {
605 ret = tdm_display_call_thread_cb_output_create(private_display, private_output);
606 TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
609 return TDM_ERROR_NONE;
613 _tdm_display_set_main_first(tdm_output **outputs, int index)
615 tdm_output *output_tmp = NULL;
620 output_tmp = outputs[0];
621 outputs[0] = outputs[index];
622 outputs[index] = output_tmp;
626 _tdm_display_get_ordered_outputs(tdm_private_module *private_module, int *count)
628 tdm_func_display *func_display = &private_module->func_display;
629 tdm_output **outputs = NULL;
630 tdm_output *output_dsi = NULL;
631 tdm_output *output_lvds = NULL;
632 tdm_output *output_hdmia = NULL;
633 tdm_output *output_hdmib = NULL;
634 int i, output_count = 0, output_connected_count = 0;
635 int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
638 /* don't change list order if not init time */
639 if (private_module->outputs) {
640 TDM_ERR("can't change output order");
641 return private_module->outputs;
644 outputs = func_display->display_get_outputs(private_module->bdata, &output_count, &ret);
645 if (ret != TDM_ERROR_NONE)
648 *count = output_count;
650 if (output_count == 0)
652 else if (output_count == 1) {
653 private_module->outputs = outputs;
657 /* count connected outputs */
658 for (i = 0; i < output_count; i++) {
659 tdm_func_output *func_output = &private_module->func_output;
660 tdm_caps_output caps;
661 memset(&caps, 0, sizeof(tdm_caps_output));
663 ret = func_output->output_get_capability(outputs[i], &caps);
664 if (ret != TDM_ERROR_NONE) {
665 TDM_ERR("output_get_capability() failed");
669 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
670 output_connected_count++;
673 case TDM_OUTPUT_TYPE_DSI:
674 output_dsi = outputs[i];
677 case TDM_OUTPUT_TYPE_LVDS:
678 output_lvds = outputs[i];
681 case TDM_OUTPUT_TYPE_HDMIA:
682 output_hdmia = outputs[i];
685 case TDM_OUTPUT_TYPE_HDMIB:
686 output_hdmib = outputs[i];
694 _tdm_display_destroy_caps_output(&caps);
697 /* ordering : main output is first */
698 /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
699 * But hdmi is possible, so set hdmi to main display.
700 * If connected only one output, it is main output.
701 * If connected outputs over 2, has priority like below.
702 * (dsi > lvds > hdmi > else)
704 if (output_connected_count == 0) {
705 /* hdmi > dsi > lvds > else */
706 if (output_hdmia != NULL)
707 _tdm_display_set_main_first(outputs, index_hdmia);
708 else if (output_hdmib != NULL)
709 _tdm_display_set_main_first(outputs, index_hdmib);
710 else if (output_dsi != NULL)
711 _tdm_display_set_main_first(outputs, index_dsi);
712 else if (output_lvds != NULL)
713 _tdm_display_set_main_first(outputs, index_lvds);
714 } else { /* (output_connected_count > 1) */
715 /* dsi > lvds > hdmi > else */
716 if (output_dsi != NULL)
717 _tdm_display_set_main_first(outputs, index_dsi);
718 else if (output_lvds != NULL)
719 _tdm_display_set_main_first(outputs, index_lvds);
720 else if (output_hdmia != NULL)
721 _tdm_display_set_main_first(outputs, index_hdmia);
722 else if (output_hdmib != NULL)
723 _tdm_display_set_main_first(outputs, index_hdmib);
726 private_module->outputs = outputs;
737 _tdm_display_setup(tdm_private_display *private_display)
739 tdm_private_module *private_module = NULL;
740 tdm_error ret = TDM_ERROR_NONE;
741 int output_count = 0;
743 if (private_display->pp_module) {
744 ret = _tdm_display_update_caps_pp(private_display->pp_module,
745 &private_display->pp_module->caps_pp);
746 if (ret != TDM_ERROR_NONE)
750 if (private_display->capture_module) {
751 ret = _tdm_display_update_caps_capture(private_display->capture_module,
752 &private_display->capture_module->caps_capture);
753 if (ret != TDM_ERROR_NONE)
757 LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
758 tdm_output **outputs;
761 outputs = _tdm_display_get_ordered_outputs(private_module, &count);
764 TDM_GOTO_IF_FAIL(outputs != NULL, failed_update);
766 for (i = 0; i < count; i++) {
767 ret = tdm_display_update_output(private_module, outputs[i]);
768 if (ret != TDM_ERROR_NONE)
774 /* At least, the output count should be greater than 0 to ensure tdm_vblank works.
775 * So we will create a dummy output when backends don't have any output.
776 * Without destroying a tdm_output object, this dummy output will be replaced with
777 * a virtual output which is created in runtime.
779 if (output_count == 0) {
780 tdm_output **outputs;
783 TDM_INFO("loading a %s backend", TDM_DUMMY_MODULE);
784 ret = _tdm_display_load_module_with_file(private_display, TDM_DUMMY_MODULE);
785 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed_update);
786 TDM_GOTO_IF_FAIL(private_display->dummy_module != NULL, failed_update);
788 private_module = private_display->dummy_module;
790 outputs = _tdm_display_get_ordered_outputs(private_module, &count);
791 TDM_GOTO_IF_FAIL(count > 0, failed_update);
792 TDM_GOTO_IF_FAIL(outputs != NULL, failed_update);
794 for (i = 0; i < count; i++) {
795 ret = tdm_display_update_output(private_module, outputs[i]);
796 if (ret != TDM_ERROR_NONE)
801 TDM_INFO("loading a %s backend", TDM_VIRTUAL_MODULE);
802 ret = _tdm_display_load_module_with_file(private_display, TDM_VIRTUAL_MODULE);
803 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, failed_update);
804 TDM_GOTO_IF_FAIL(private_display->virtual_module != NULL, failed_update);
806 return TDM_ERROR_NONE;
809 _tdm_display_destroy_private_display(private_display);
815 tdm_display_update(tdm_display *dpy)
817 TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
819 TDM_DEPRECATED(NULL);
821 return TDM_ERROR_NONE;
824 int tdm_debug_module;
826 int tdm_ttrace_module;
827 int tdm_ttrace_output;
829 static tdm_private_display *g_private_display;
830 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
832 /* LCOV_EXCL_START */
834 _tdm_display_check_module(tdm_backend_module *module)
836 int tdm_backend_major, tdm_backend_minor;
837 int backend_module_major, backend_module_minor;
839 tdm_backend_major = TDM_BACKEND_GET_ABI_MAJOR(TDM_BACKEND_ABI_LATEST_VERSION);
840 tdm_backend_minor = TDM_BACKEND_GET_ABI_MINOR(TDM_BACKEND_ABI_LATEST_VERSION);
842 TDM_INFO("TDM Backend ABI version : %d.%d",
843 tdm_backend_major, tdm_backend_minor);
846 TDM_ERR("TDM backend doesn't have name");
847 return TDM_ERROR_BAD_MODULE;
850 if (!module->vendor) {
851 TDM_ERR("TDM backend doesn't have vendor");
852 return TDM_ERROR_BAD_MODULE;
855 backend_module_major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
856 backend_module_minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
858 TDM_INFO("TDM module name: %s", module->name);
859 TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
860 TDM_INFO("'%s' backend ABI version: %d.%d", module->name, backend_module_major, backend_module_minor);
862 if (backend_module_major > tdm_backend_major) {
863 TDM_ERR("'%s' major version(%d) is newer than %d",
864 module->name, backend_module_major, tdm_backend_major);
865 return TDM_ERROR_BAD_MODULE;
868 if (tdm_backend_major == backend_module_major &&
869 backend_module_minor > tdm_backend_minor) {
870 TDM_ERR("'%s' minor version(%d) is newer than %d",
871 module->name, backend_module_minor, tdm_backend_minor);
872 return TDM_ERROR_BAD_MODULE;
876 TDM_ERR("'%s' doesn't have init function", module->name);
877 return TDM_ERROR_BAD_MODULE;
880 if (!module->deinit) {
881 TDM_ERR("'%s' doesn't have deinit function", module->name);
882 return TDM_ERROR_BAD_MODULE;
885 return TDM_ERROR_NONE;
889 _tdm_display_check_backend_functions(tdm_private_module *private_module)
891 tdm_func_display *func_display = &private_module->func_display;
892 tdm_func_output *func_output = &private_module->func_output;
893 tdm_func_layer *func_layer = &private_module->func_layer;
896 /* below functions should be implemented in backend side */
898 TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
899 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capability, TDM_ERROR_BAD_MODULE);
900 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
901 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
902 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
903 TDM_RETURN_VAL_IF_FAIL(func_output->output_wait_vblank, TDM_ERROR_BAD_MODULE);
904 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_vblank_handler, TDM_ERROR_BAD_MODULE);
905 TDM_RETURN_VAL_IF_FAIL(func_output->output_commit, TDM_ERROR_BAD_MODULE);
906 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_commit_handler, TDM_ERROR_BAD_MODULE);
907 TDM_RETURN_VAL_IF_FAIL(func_output->output_set_mode, TDM_ERROR_BAD_MODULE);
908 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
909 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_set_info, TDM_ERROR_BAD_MODULE);
910 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_info, TDM_ERROR_BAD_MODULE);
911 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_set_buffer, TDM_ERROR_BAD_MODULE);
912 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_unset_buffer, TDM_ERROR_BAD_MODULE);
914 ret = func_display->display_get_capability(private_module->bdata, &private_module->caps_display);
915 if (ret != TDM_ERROR_NONE) {
916 TDM_ERR("display_get_capability() failed");
917 return TDM_ERROR_BAD_MODULE;
920 if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
921 tdm_func_pp *func_pp = &private_module->func_pp;
922 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
923 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
924 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
925 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
926 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
929 if (private_module->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
930 tdm_func_capture *func_capture = &private_module->func_capture;
931 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
932 if (private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT)
933 TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
934 if (private_module->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_LAYER)
935 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
936 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
937 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
938 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
941 return TDM_ERROR_NONE;
945 _tdm_display_load_module_with_file(tdm_private_display *private_display,
948 char path[TDM_PATH_LEN] = {0,};
950 tdm_backend_module *module_data;
951 tdm_backend_data *bdata = NULL;
952 tdm_private_module *private_module = NULL;
957 size = snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
958 if (size >= (int)sizeof(path)) {
959 TDM_WRN("too long: %s/%s", TDM_MODULE_PATH, file);
960 return TDM_ERROR_BAD_MODULE;
963 private_module = calloc(1, sizeof *private_module);
964 if (!private_module) {
965 TDM_ERR("alloc failed: %m");
966 ret = TDM_ERROR_OUT_OF_MEMORY;
970 private_module->private_display = private_display;
972 stamp = tdm_helper_get_time();
974 TDM_TRACE_BEGIN("TDM_Load_Backend");
975 module = dlopen(path, RTLD_LAZY);
977 TDM_ERR("%s", dlerror());
979 ret = TDM_ERROR_BAD_MODULE;
983 private_module->module = module;
985 module_data = dlsym(module, "tdm_backend_module_data");
987 TDM_ERR("'%s' doesn't have data object", file);
988 ret = TDM_ERROR_BAD_MODULE;
994 private_module->module_data = module_data;
996 TDM_DBG("dlopen, dlsym time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
998 /* check if version, init() and deinit() are valid or not */
999 ret = _tdm_display_check_module(module_data);
1000 if (ret != TDM_ERROR_NONE) {
1001 TDM_ERR("backend(%s) load failed: check module error", module_data->name);
1005 private_display->current_module = private_module;
1007 /* We don't care if backend_data is NULL or not. It's up to backend. */
1008 TDM_TRACE_BEGIN("TDM_Init_Backend");
1009 stamp = tdm_helper_get_time();
1010 bdata = module_data->init((tdm_display *)private_display, &ret);
1011 TDM_DBG("backend init() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
1014 private_display->current_module = NULL;
1016 if (!strncmp(file, TDM_DUMMY_MODULE, TDM_NAME_LEN))
1017 private_display->dummy_module = private_module;
1019 if (!strncmp(file, TDM_VIRTUAL_MODULE, TDM_NAME_LEN))
1020 private_display->virtual_module = private_module;
1022 private_module->bdata = bdata;
1024 if (ret != TDM_ERROR_NONE) {
1025 TDM_ERR("backend(%s) load failed: init error", module_data->name);
1029 ret = _tdm_display_check_backend_functions(private_module);
1030 if (ret != TDM_ERROR_NONE) {
1031 TDM_ERR("backend(%s) load failed: check functions error", module_data->name);
1035 LIST_INITHEAD(&private_module->output_list);
1036 LIST_INITHEAD(&private_module->pp_list);
1037 LIST_INITHEAD(&private_module->capture_list);
1039 LIST_ADDTAIL(&private_module->link, &private_display->module_list);
1041 TDM_INFO("Success to load '%s' module", module_data->name);
1043 return TDM_ERROR_NONE;
1046 module_data->deinit(bdata);
1050 free(private_module);
1055 _tdm_display_load_modules(tdm_private_display *private_display)
1057 const char *module_names;
1058 tdm_error ret = TDM_ERROR_NONE;
1059 char temp[TDM_PATH_LEN];
1063 LIST_INITHEAD(&private_display->module_list);
1065 module_names = tdm_config_get_string(TDM_CONFIG_KEY_GENERAL_BACKENDS, TDM_DEFAULT_MODULE);
1067 snprintf(temp, TDM_PATH_LEN, "%s", module_names);
1069 arg = strtok_r(temp, TDM_CONFIG_DELIM, &end);
1071 TDM_INFO("loading a %s backend", arg);
1072 ret = _tdm_display_load_module_with_file(private_display, arg);
1073 if (ret == TDM_ERROR_NONE)
1074 TDM_INFO("%s backend loading success", arg);
1076 TDM_INFO("%s backend loading failed", arg);
1077 arg = strtok_r(NULL, TDM_CONFIG_DELIM, &end);
1084 _tdm_display_unload_modules(tdm_private_display *private_display)
1086 tdm_private_module *private_module = NULL, *bb = NULL;
1088 LIST_FOR_EACH_ENTRY_SAFE(private_module, bb, &private_display->module_list, link) {
1089 LIST_DEL(&private_module->link);
1091 if (private_module->module_data)
1092 private_module->module_data->deinit(private_module->bdata);
1093 if (private_module->module)
1094 dlclose(private_module->module);
1096 free(private_module);
1099 /* LCOV_EXCL_STOP */
1102 tdm_display_find_stamp(tdm_private_display *private_display, double stamp)
1104 return (void*)g_private_display;
1107 EXTERN tdm_display *
1108 tdm_display_init(tdm_error *error)
1110 tdm_private_display *private_display = NULL;
1113 double stamp1, stamp2, start;
1116 pthread_mutex_lock(&gLock);
1118 if (g_private_display) {
1119 g_private_display->init_count++;
1120 pthread_mutex_unlock(&gLock);
1122 *error = TDM_ERROR_NONE;
1123 return g_private_display;
1126 start = stamp1 = tdm_helper_get_time();
1128 stamp2 = tdm_helper_get_time();
1129 TDM_INFO("config init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1132 private_display = calloc(1, sizeof(tdm_private_display));
1133 if (!private_display) {
1134 /* LCOV_EXCL_START */
1135 ret = TDM_ERROR_OUT_OF_MEMORY;
1136 TDM_ERR("'private_display != NULL' failed");
1138 /* LCOV_EXCL_STOP */
1141 private_display->stamp = tdm_helper_get_time();
1143 LIST_INITHEAD(&private_display->output_create_handler_list);
1145 str = tdm_config_get_string(TDM_CONFIG_KEY_DEBUG_MODULE, NULL);
1147 tdm_display_enable_debug_module(str);
1149 str = tdm_config_get_string(TDM_CONFIG_KEY_DEBUG_DUMP, NULL);
1151 tdm_display_enable_dump(private_display, str, NULL, NULL);
1153 if (pthread_mutex_init(&private_display->lock, NULL)) {
1154 /* LCOV_EXCL_START */
1155 ret = TDM_ERROR_OPERATION_FAILED;
1156 TDM_ERR("mutex init failed: %m");
1157 goto failed_mutex_init;
1158 /* LCOV_EXCL_STOP */
1161 _pthread_mutex_lock(&private_display->lock);
1163 stamp2 = tdm_helper_get_time();
1164 TDM_DBG("prepare init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1167 ret = tdm_event_loop_init(private_display);
1168 if (ret != TDM_ERROR_NONE)
1171 stamp2 = tdm_helper_get_time();
1172 TDM_INFO("event loop init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1175 ret = tdm_vblank_init(private_display);
1176 if (ret != TDM_ERROR_NONE)
1179 ret = tdm_output_init(private_display);
1180 if (ret != TDM_ERROR_NONE)
1183 ret = tdm_hwc_init(private_display);
1184 if (ret != TDM_ERROR_NONE)
1187 ret = tdm_pp_init(private_display);
1188 if (ret != TDM_ERROR_NONE)
1191 ret = tdm_capture_init(private_display);
1192 if (ret != TDM_ERROR_NONE)
1195 ret = _tdm_display_load_modules(private_display);
1196 if (ret != TDM_ERROR_NONE)
1199 stamp2 = tdm_helper_get_time();
1200 TDM_INFO("loading backend time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1204 int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
1205 if (tdm_drm_fd >= 0) {
1206 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
1208 if (!private_display->bufmgr) {
1209 TDM_ERR("tbm_bufmgr_init failed");
1212 TDM_INFO("tbm_bufmgr_init successed");
1215 stamp2 = tdm_helper_get_time();
1216 TDM_DBG("initializing bufmgr time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1221 TDM_TRACE_BEGIN("TDM_Update_Display");
1222 ret = _tdm_display_setup(private_display);
1224 if (ret != TDM_ERROR_NONE)
1227 stamp2 = tdm_helper_get_time();
1228 TDM_DBG("updating display time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1231 tdm_event_loop_create_backend_source(private_display);
1233 private_display->init_count = 1;
1234 g_private_display = private_display;
1236 /* the COMMIT_PER_VBLANK functionality is ability of an output to support
1237 * several operational modes (commit_per_vblank modes) related to tdm_commit;
1238 * this functionality can be turned off which means a default mode */
1239 mode = tdm_config_get_int(TDM_CONFIG_KEY_GENERAL_COMMIT_PER_VBLANK, 0);
1241 tdm_private_module *b = NULL;
1242 tdm_private_output *o = NULL;
1244 /* outputs which support hwc capability can work only
1245 * if commit_per_vblank mode is '0' (default mode) */
1246 LIST_FOR_EACH_ENTRY(b, &private_display->module_list, link) {
1247 LIST_FOR_EACH_ENTRY(o, &b->output_list, link) {
1248 if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
1249 tdm_output_choose_commit_per_vblank_mode(o, mode);
1255 *error = TDM_ERROR_NONE;
1257 tdm_thread_cb_set_find_func(TDM_THREAD_CB_DISPLAY_OUTPUT_CREATE, tdm_display_find_stamp);
1259 _pthread_mutex_unlock(&private_display->lock);
1260 pthread_mutex_unlock(&gLock);
1262 TDM_INFO("init time: %.3f ms", (tdm_helper_get_time() - start) * 1000.0);
1264 return (tdm_display *)private_display;
1266 /* LCOV_EXCL_START */
1268 _tdm_display_unload_modules(private_display);
1270 tdm_vblank_deinit(private_display);
1272 tdm_event_loop_stop(private_display);
1273 tdm_event_loop_deinit(private_display);
1275 _pthread_mutex_unlock(&private_display->lock);
1276 pthread_mutex_destroy(&private_display->lock);
1278 free(private_display);
1282 pthread_mutex_unlock(&gLock);
1284 /* LCOV_EXCL_STOP */
1288 tdm_display_deinit(tdm_display *dpy)
1290 tdm_private_display *private_display = dpy;
1292 if (!private_display)
1295 pthread_mutex_lock(&gLock);
1297 private_display->init_count--;
1298 if (private_display->init_count > 0) {
1299 pthread_mutex_unlock(&gLock);
1303 /* dont move the position of lock/unlock. all resource should be protected
1304 * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1305 * things because it's finalized.
1307 _pthread_mutex_lock(&private_display->lock);
1308 tdm_event_loop_stop(private_display);
1309 _pthread_mutex_unlock(&private_display->lock);
1311 tdm_event_loop_deinit(private_display);
1313 /* when private_output is destroyed, all vblank resources of client and server
1314 * are destroyed. Then we can call tdm_vblank_deinit. After destroying display,
1315 * we can unload backend modulues.
1317 _tdm_display_destroy_private_display(private_display);
1318 _tdm_display_unload_modules(private_display);
1320 tdm_vblank_deinit(private_display);
1323 if (private_display->bufmgr)
1324 tbm_bufmgr_deinit(private_display->bufmgr);
1327 tbm_drm_helper_unset_tbm_master_fd();
1329 pthread_mutex_destroy(&private_display->lock);
1330 free(private_display);
1331 g_private_display = NULL;
1333 if (tdm_debug_dump_dir) {
1334 free(tdm_debug_dump_dir);
1335 tdm_debug_dump_dir = NULL;
1338 tdm_config_deinit();
1340 pthread_mutex_unlock(&gLock);
1345 INTERN tdm_private_display *
1346 tdm_display_get(void)
1348 return g_private_display;