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 <sc1.lim@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;
50 static tdm_private_layer *
51 _tdm_display_find_private_layer(tdm_private_output *private_output,
52 tdm_layer *layer_backend)
54 tdm_private_layer *private_layer = NULL;
56 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
57 if (private_layer->layer_backend == layer_backend)
64 static tdm_private_output *
65 _tdm_display_find_private_output(tdm_private_display *private_display,
66 tdm_output *output_backend)
68 tdm_private_output *private_output = NULL;
70 LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
71 if (private_output->output_backend == output_backend)
72 return private_output;
78 INTERN tdm_private_output *
79 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp)
81 tdm_private_output *private_output = NULL;
83 LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
84 if (private_output->stamp == stamp)
85 return private_output;
92 _tdm_display_destroy_caps_pp(tdm_caps_pp *caps_pp)
95 free(caps_pp->formats);
97 memset(caps_pp, 0, sizeof(tdm_caps_pp));
101 _tdm_display_destroy_caps_capture(tdm_caps_capture *caps_capture)
103 if (caps_capture->formats)
104 free(caps_capture->formats);
106 memset(caps_capture, 0, sizeof(tdm_caps_capture));
110 _tdm_display_destroy_caps_layer(tdm_caps_layer *caps_layer)
112 if (caps_layer->formats)
113 free(caps_layer->formats);
115 if (caps_layer->props)
116 free(caps_layer->props);
118 memset(caps_layer, 0, sizeof(tdm_caps_layer));
122 _tdm_display_destroy_caps_output(tdm_caps_output *caps_output)
124 if (caps_output->modes)
125 free(caps_output->modes);
127 if (caps_output->props)
128 free(caps_output->props);
130 memset(caps_output, 0, sizeof(tdm_caps_output));
134 _tdm_display_destroy_private_layer(tdm_private_layer *private_layer)
136 tdm_private_capture *c = NULL, *cc = NULL;
138 LIST_DEL(&private_layer->link);
140 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_layer->capture_list, link)
141 tdm_capture_destroy_internal(c);
143 _tdm_display_destroy_caps_layer(&private_layer->caps);
149 _tdm_display_destroy_private_output(tdm_private_output *private_output)
151 tdm_private_display *private_display = private_output->private_display;
152 tdm_private_layer *l = NULL, *ll = NULL;
153 tdm_private_hwc_window *hw = NULL, *hww = NULL;
154 tdm_private_capture *c = NULL, *cc = NULL;
155 tdm_private_vblank_handler *v = NULL, *vv = NULL;
156 tdm_private_output_commit_handler *om = NULL, *omm = NULL;
157 tdm_private_layer_commit_handler *lm = NULL, *lmm = NULL;
158 tdm_private_change_handler *h = NULL, *hh = NULL;
160 LIST_DEL(&private_output->link);
162 free(private_output->layers_ptr);
164 if (private_output->vblank_timeout_timer)
165 tdm_event_loop_source_remove(private_output->vblank_timeout_timer);
167 LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
172 LIST_FOR_EACH_ENTRY_SAFE(om, omm, &private_output->output_commit_handler_list, link) {
177 LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->layer_commit_handler_list, link) {
182 LIST_FOR_EACH_ENTRY_SAFE(lm, lmm, &private_output->pending_commit_handler_list, link) {
187 LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_main, link) {
192 LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_sub, link) {
197 if (private_output->vblank) {
198 /* tdm_vblank APIs is for server. it should be called in unlock status*/
199 _pthread_mutex_unlock(&private_display->lock);
200 tdm_vblank_destroy(private_output->vblank);
201 _pthread_mutex_lock(&private_display->lock);
204 if (private_output->ttrace_vblank) {
205 /* tdm_vblank APIs is for server. it should be called in unlock status*/
206 _pthread_mutex_unlock(&private_display->lock);
207 tdm_vblank_destroy(private_output->ttrace_vblank);
208 _pthread_mutex_lock(&private_display->lock);
211 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_output->capture_list, link)
212 tdm_capture_destroy_internal(c);
214 LIST_FOR_EACH_ENTRY_SAFE(hw, hww, &private_output->hwc_window_list, link)
215 tdm_hwc_window_destroy_internal(hw);
217 LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
218 _tdm_display_destroy_private_layer(l);
220 _tdm_display_destroy_caps_output(&private_output->caps);
222 if (private_output->dpms_changed_timer)
223 tdm_event_loop_source_remove(private_output->dpms_changed_timer);
225 tdm_event_loop_source_remove(private_output->need_validate.event_source);
226 close(private_output->need_validate.event_fd);
228 private_output->stamp = 0;
229 free(private_output);
233 _tdm_display_destroy_private_display(tdm_private_display *private_display)
235 tdm_private_output *o = NULL, *oo = NULL;
236 tdm_private_pp *p = NULL, *pp = NULL;
238 free(private_display->outputs_ptr);
239 if (private_display->outputs) {
240 free(private_display->outputs);
241 private_display->outputs = NULL;
244 LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_display->pp_list, link)
245 tdm_pp_destroy_internal(p);
247 LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_display->output_list, link)
248 _tdm_display_destroy_private_output(o);
250 _tdm_display_destroy_caps_pp(&private_display->caps_pp);
251 _tdm_display_destroy_caps_capture(&private_display->caps_capture);
253 private_display->capabilities = 0;
254 private_display->caps_display.max_layer_count = 0;
258 _tdm_display_update_caps_pp(tdm_private_display *private_display,
261 tdm_func_display *func_display = &private_display->func_display;
264 if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
265 return TDM_ERROR_NONE;
267 if (!func_display->display_get_pp_capability) {
268 TDM_ERR("no display_get_pp_capability()");
269 return TDM_ERROR_BAD_MODULE;
272 ret = func_display->display_get_pp_capability(private_display->bdata, caps);
273 if (ret != TDM_ERROR_NONE) {
274 TDM_ERR("display_get_pp_capability() failed");
275 return TDM_ERROR_BAD_MODULE;
278 return TDM_ERROR_NONE;
282 _tdm_display_update_caps_capture(tdm_private_display *private_display,
283 tdm_caps_capture *caps)
285 tdm_func_display *func_display = &private_display->func_display;
288 if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
289 return TDM_ERROR_NONE;
291 if (!func_display->display_get_capture_capability) {
292 TDM_ERR("no display_get_capture_capability()");
293 return TDM_ERROR_BAD_MODULE;
296 ret = func_display->display_get_capture_capability(private_display->bdata, caps);
297 if (ret != TDM_ERROR_NONE) {
298 TDM_ERR("display_get_capture_capability() failed");
299 return TDM_ERROR_BAD_MODULE;
302 return TDM_ERROR_NONE;
306 _tdm_display_update_caps_layer(tdm_private_display *private_display,
307 tdm_layer *layer_backend, tdm_caps_layer *caps)
309 tdm_func_layer *func_layer = &private_display->func_layer;
312 if (!func_layer->layer_get_capability) {
313 TDM_ERR("no layer_get_capability()");
314 return TDM_ERROR_BAD_MODULE;
317 ret = func_layer->layer_get_capability(layer_backend, caps);
318 if (ret != TDM_ERROR_NONE) {
319 TDM_ERR("layer_get_capability() failed");
320 return TDM_ERROR_BAD_MODULE;
323 return TDM_ERROR_NONE;
327 _tdm_display_update_caps_output(tdm_private_display *private_display, int pipe,
328 tdm_output *output_backend, tdm_caps_output *caps)
330 tdm_func_output *func_output = &private_display->func_output;
331 char temp[TDM_NAME_LEN];
335 if (!func_output->output_get_capability) {
336 TDM_ERR("no output_get_capability()");
337 return TDM_ERROR_BAD_MODULE;
340 stamp = tdm_helper_get_time();
341 ret = func_output->output_get_capability(output_backend, caps);
342 TDM_DBG("backend output_get_capability() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
344 if (ret != TDM_ERROR_NONE) {
345 TDM_ERR("output_get_capability() failed");
346 return TDM_ERROR_BAD_MODULE;
349 /* FIXME: Use model for tdm client to distinguish amoung outputs */
350 snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
351 snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
353 return TDM_ERROR_NONE;
357 _tdm_display_update_layer(tdm_private_display *private_display,
358 tdm_private_output *private_output,
359 tdm_layer *layer_backend, int index)
361 tdm_private_layer *private_layer;
364 private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
365 if (!private_layer) {
366 private_layer = calloc(1, sizeof(tdm_private_layer));
367 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
369 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
370 private_layer->index = index;
371 private_layer->private_display = private_display;
372 private_layer->private_output = private_output;
373 private_layer->layer_backend = layer_backend;
375 LIST_INITHEAD(&private_layer->capture_list);
377 private_layer->usable = 1;
379 _tdm_display_destroy_caps_layer(&private_layer->caps);
381 ret = _tdm_display_update_caps_layer(private_display, layer_backend,
382 &private_layer->caps);
383 if (ret != TDM_ERROR_NONE)
386 return TDM_ERROR_NONE;
388 _tdm_display_destroy_private_layer(private_layer);
393 tdm_display_update_output(tdm_private_display *private_display,
394 tdm_output *output_backend, int pipe)
396 tdm_func_output *func_output = &private_display->func_output;
397 tdm_private_output *private_output = NULL;
398 tdm_layer **layers = NULL;
399 int layer_count = 0, i;
402 private_output = _tdm_display_find_private_output(private_display, output_backend);
403 if (!private_output) {
404 private_output = calloc(1, sizeof(tdm_private_output));
405 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
407 private_output->stamp = tdm_helper_get_time();
408 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
409 private_output->stamp++;
411 LIST_ADDTAIL(&private_output->link, &private_display->output_list);
413 private_output->private_display = private_display;
414 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
415 private_output->output_backend = output_backend;
416 private_output->pipe = pipe;
417 private_output->index = pipe;
419 LIST_INITHEAD(&private_output->layer_list);
420 LIST_INITHEAD(&private_output->hwc_window_list);
421 LIST_INITHEAD(&private_output->capture_list);
422 LIST_INITHEAD(&private_output->vblank_handler_list);
423 LIST_INITHEAD(&private_output->output_commit_handler_list);
424 LIST_INITHEAD(&private_output->layer_commit_handler_list);
425 LIST_INITHEAD(&private_output->pending_commit_handler_list);
426 LIST_INITHEAD(&private_output->change_handler_list_main);
427 LIST_INITHEAD(&private_output->change_handler_list_sub);
429 if (func_output->output_set_status_handler) {
430 func_output->output_set_status_handler(private_output->output_backend,
431 tdm_output_cb_status,
433 private_output->regist_change_cb = 1;
436 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
437 &private_output->caps);
438 if (ret != TDM_ERROR_NONE)
441 tdm_caps_output new_caps;
443 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
445 if (ret != TDM_ERROR_NONE)
448 /* FIXME: This is very ugly. need to fix after the TDM ABI is changed. */
449 if (private_output->caps.status != new_caps.status) {
450 _tdm_display_destroy_caps_output(&private_output->caps);
451 private_output->caps = new_caps;
452 private_output->current_mode = NULL;
454 tdm_output_mode *old_modes = private_output->caps.modes;
455 unsigned int old_mode_count = private_output->caps.mode_count;
457 free(new_caps.modes);
458 new_caps.modes = old_modes;
459 new_caps.mode_count = old_mode_count;
460 if (private_output->caps.props)
461 free(private_output->caps.props);
462 private_output->caps = new_caps;
466 layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
467 if (ret != TDM_ERROR_NONE)
470 for (i = 0; i < layer_count; i++) {
471 ret = _tdm_display_update_layer(private_display, private_output, layers[i], i);
472 if (ret != TDM_ERROR_NONE)
478 return TDM_ERROR_NONE;
480 _tdm_display_destroy_private_output(private_output);
486 _tdm_display_set_main_first(tdm_output **outputs, int index)
488 tdm_output *output_tmp = NULL;
493 output_tmp = outputs[0];
494 outputs[0] = outputs[index];
495 outputs[index] = output_tmp;
501 _tdm_display_get_ordered_outputs(tdm_private_display *private_display, int *count)
503 tdm_func_display *func_display = &private_display->func_display;
504 tdm_output **outputs = NULL;
505 tdm_output **new_outputs = NULL;
506 tdm_output *output_dsi = NULL;
507 tdm_output *output_lvds = NULL;
508 tdm_output *output_hdmia = NULL;
509 tdm_output *output_hdmib = NULL;
510 int i, output_count = 0, output_connected_count = 0;
511 int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
514 /* don't change list order if not init time */
515 if (private_display->outputs)
516 return private_display->outputs;
518 outputs = func_display->display_get_outputs(private_display->bdata, &output_count, &ret);
519 if (ret != TDM_ERROR_NONE)
520 goto failed_get_outputs;
522 *count = output_count;
524 if (output_count == 0)
525 goto failed_get_outputs;
526 else if (output_count == 1) {
527 private_display->outputs = outputs;
531 /* count connected outputs */
532 for (i = 0; i < output_count; i++) {
533 tdm_func_output *func_output = &private_display->func_output;
534 tdm_caps_output caps;
535 memset(&caps, 0, sizeof(tdm_caps_output));
537 if (!func_output->output_get_capability) {
538 TDM_ERR("no output_get_capability()");
539 goto failed_get_outputs;
542 ret = func_output->output_get_capability(outputs[i], &caps);
543 if (ret != TDM_ERROR_NONE) {
544 TDM_ERR("output_get_capability() failed");
545 goto failed_get_outputs;
548 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
549 output_connected_count++;
552 case TDM_OUTPUT_TYPE_DSI:
553 output_dsi = outputs[i];
556 case TDM_OUTPUT_TYPE_LVDS:
557 output_lvds = outputs[i];
560 case TDM_OUTPUT_TYPE_HDMIA:
561 output_hdmia = outputs[i];
564 case TDM_OUTPUT_TYPE_HDMIB:
565 output_hdmib = outputs[i];
573 _tdm_display_destroy_caps_output(&caps);
576 /* ordering : main output is first */
577 /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
578 * But hdmi is possible, so set hdmi to main display.
579 * If connected only one output, it is main output.
580 * If connected outputs over 2, has priority like below.
581 * (dsi > lvds > hdmi > else)
583 if (output_connected_count == 0) {
584 /* hdmi > dsi > lvds > else */
585 if (output_hdmia != NULL)
586 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
587 else if (output_hdmib != NULL)
588 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
589 else if (output_dsi != NULL)
590 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
591 else if (output_lvds != NULL)
592 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
594 new_outputs = outputs;
595 } else { /* (output_connected_count > 1) */
596 /* dsi > lvds > hdmi > else */
597 if (output_dsi != NULL)
598 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
599 else if (output_lvds != NULL)
600 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
601 else if (output_hdmia != NULL)
602 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
603 else if (output_hdmib != NULL)
604 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
606 new_outputs = outputs;
609 private_display->outputs = new_outputs;
620 _tdm_display_update_internal(tdm_private_display *private_display,
623 tdm_output **outputs = NULL;
624 int output_count = 0, i;
625 tdm_error ret = TDM_ERROR_NONE;
627 LIST_INITHEAD(&private_display->output_list);
628 LIST_INITHEAD(&private_display->pp_list);
629 LIST_INITHEAD(&private_display->capture_list);
632 ret = _tdm_display_update_caps_pp(private_display, &private_display->caps_pp);
633 if (ret != TDM_ERROR_NONE)
636 ret = _tdm_display_update_caps_capture(private_display,
637 &private_display->caps_capture);
638 if (ret != TDM_ERROR_NONE)
642 outputs = _tdm_display_get_ordered_outputs(private_display, &output_count);
646 for (i = 0; i < output_count; i++) {
647 ret = tdm_display_update_output(private_display, outputs[i], i);
648 if (ret != TDM_ERROR_NONE)
652 return TDM_ERROR_NONE;
655 _tdm_display_destroy_private_display(private_display);
661 tdm_display_update(tdm_display *dpy)
663 tdm_private_display *private_display;
666 TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
667 TDM_RETURN_VAL_IF_FAIL(tdm_display_is_valid(dpy), TDM_ERROR_INVALID_PARAMETER);
669 private_display = dpy;
670 _pthread_mutex_lock(&private_display->lock);
672 ret = _tdm_display_update_internal(private_display, 1);
674 _pthread_mutex_unlock(&private_display->lock);
679 #define SUFFIX_MODULE ".so"
680 #define TDM_DEFAULT_MODULE "libtdm-default"SUFFIX_MODULE
681 #define TDM_DUMMY_MODULE "libtdm-dummy"SUFFIX_MODULE
683 int tdm_debug_module;
685 int tdm_ttrace_module;
686 int tdm_ttrace_output;
688 static tdm_private_display *g_private_display;
689 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
691 /* LCOV_EXCL_START */
693 _tdm_display_check_module(tdm_backend_module *module)
697 TDM_INFO("TDM ABI version : %d.%d",
698 TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
701 TDM_ERR("TDM backend doesn't have name");
702 return TDM_ERROR_BAD_MODULE;
705 if (!module->vendor) {
706 TDM_ERR("TDM backend doesn't have vendor");
707 return TDM_ERROR_BAD_MODULE;
710 major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
711 minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
713 TDM_INFO("TDM module name: %s", module->name);
714 TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
715 TDM_INFO("'%s' version: %d.%d", module->name, major, minor);
717 if (major != TDM_MAJOR_VERSION) {
718 TDM_ERR("'%s' major version mismatch, %d != %d",
719 module->name, major, TDM_MAJOR_VERSION);
720 return TDM_ERROR_BAD_MODULE;
723 if (minor > TDM_MINOR_VERSION) {
724 TDM_ERR("'%s' minor version(%d) is newer than %d",
725 module->name, minor, TDM_MINOR_VERSION);
726 return TDM_ERROR_BAD_MODULE;
730 TDM_ERR("'%s' doesn't have init function", module->name);
731 return TDM_ERROR_BAD_MODULE;
734 if (!module->deinit) {
735 TDM_ERR("'%s' doesn't have deinit function", module->name);
736 return TDM_ERROR_BAD_MODULE;
739 return TDM_ERROR_NONE;
743 _tdm_display_check_backend_functions(tdm_private_display *private_display)
745 tdm_func_display *func_display = &private_display->func_display;
746 tdm_func_output *func_output = &private_display->func_output;
747 tdm_func_layer *func_layer = &private_display->func_layer;
750 /* below functions should be implemented in backend side */
752 TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
753 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
754 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
755 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
756 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
758 ret = func_display->display_get_capability(private_display->bdata, &private_display->caps_display);
759 if (ret != TDM_ERROR_NONE) {
760 TDM_ERR("display_get_capability() failed");
761 return TDM_ERROR_BAD_MODULE;
764 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
765 tdm_func_pp *func_pp = &private_display->func_pp;
766 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
767 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
768 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
769 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
770 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
773 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
774 tdm_func_capture *func_capture = &private_display->func_capture;
775 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
776 if (private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_OUTPUT)
777 TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
778 if (private_display->caps_capture.capabilities & TDM_CAPTURE_CAPABILITY_LAYER)
779 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
780 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
781 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
782 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
785 return TDM_ERROR_NONE;
789 _tdm_display_load_module_with_file(tdm_private_display *private_display,
792 char path[TDM_PATH_LEN] = {0,};
793 tdm_backend_module *module_data;
799 size = snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
800 if (size >= (int)sizeof(path)) {
801 TDM_WRN("too long: %s/%s", TDM_MODULE_PATH, file);
802 return TDM_ERROR_BAD_MODULE;
805 stamp = tdm_helper_get_time();
807 TDM_TRACE_BEGIN("TDM_Load_Backend");
808 module = dlopen(path, RTLD_LAZY);
810 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
812 return TDM_ERROR_BAD_MODULE;
815 module_data = dlsym(module, "tdm_backend_module_data");
817 TDM_ERR("'%s' doesn't have data object", file);
818 ret = TDM_ERROR_BAD_MODULE;
824 TDM_DBG("dlopen, dlsym time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
826 private_display->module_data = module_data;
827 private_display->module = module;
829 /* check if version, init() and deinit() are valid or not */
830 ret = _tdm_display_check_module(module_data);
831 if (ret != TDM_ERROR_NONE)
834 /* We don't care if backend_data is NULL or not. It's up to backend. */
835 TDM_TRACE_BEGIN("TDM_Init_Backend");
836 stamp = tdm_helper_get_time();
837 private_display->bdata = module_data->init((tdm_display *)private_display, &ret);
838 TDM_DBG("backend init() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
841 if (ret != TDM_ERROR_NONE) {
842 TDM_ERR("failed to init '%s' module", module_data->name);
846 ret = _tdm_display_check_backend_functions(private_display);
847 if (ret != TDM_ERROR_NONE) {
848 module_data->deinit(private_display->bdata);
849 private_display->bdata = NULL;
853 TDM_INFO("Success to load '%s' module", module_data->name);
855 return TDM_ERROR_NONE;
858 private_display->module_data = NULL;
859 private_display->module = NULL;
864 _tdm_display_load_module(tdm_private_display *private_display)
866 const char *module_name;
867 struct dirent **namelist;
871 module_name = getenv("TDM_MODULE");
873 module_name = TDM_DEFAULT_MODULE;
875 len = strlen(module_name);
876 if (len > TDM_NAME_LEN - 1) {
877 TDM_ERR("TDM_MODULE is too long\n");
878 return TDM_ERROR_OPERATION_FAILED;
881 /* load bufmgr priv from default lib */
882 ret = _tdm_display_load_module_with_file(private_display, module_name);
883 if (ret == TDM_ERROR_NONE)
884 return TDM_ERROR_NONE;
886 /* load bufmgr priv from dummy lib */
887 ret = _tdm_display_load_module_with_file(private_display, TDM_DUMMY_MODULE);
888 if (ret == TDM_ERROR_NONE)
889 return TDM_ERROR_NONE;
891 /* load bufmgr priv from configured path */
892 n = scandir(TDM_MODULE_PATH, &namelist, 0, alphasort);
894 TDM_ERR("no module in '%s'\n", TDM_MODULE_PATH);
895 return TDM_ERROR_BAD_MODULE;
898 ret = TDM_ERROR_BAD_MODULE;
900 if (ret < 0 && strstr(namelist[n]->d_name, SUFFIX_MODULE))
901 ret = _tdm_display_load_module_with_file(private_display, namelist[n]->d_name);
911 _tdm_display_unload_module(tdm_private_display *private_display)
913 if (private_display->module_data)
914 private_display->module_data->deinit(private_display->bdata);
915 if (private_display->module)
916 dlclose(private_display->module);
918 private_display->bdata = NULL;
919 private_display->module_data = NULL;
920 private_display->module = NULL;
925 tdm_display_init(tdm_error *error)
927 tdm_private_display *private_display = NULL;
930 double stamp1, stamp2, start;
932 pthread_mutex_lock(&gLock);
934 if (g_private_display) {
935 g_private_display->init_count++;
936 pthread_mutex_unlock(&gLock);
938 *error = TDM_ERROR_NONE;
939 return g_private_display;
942 start = stamp1 = tdm_helper_get_time();
944 private_display = calloc(1, sizeof(tdm_private_display));
945 if (!private_display) {
946 /* LCOV_EXCL_START */
947 ret = TDM_ERROR_OUT_OF_MEMORY;
948 TDM_ERR("'private_display != NULL' failed");
953 str = getenv("TDM_DEBUG_MODULE");
955 tdm_display_enable_debug_module(str);
957 str = getenv("TDM_DEBUG_DUMP");
959 tdm_display_enable_dump(private_display, str, NULL, NULL);
961 str = getenv("TDM_DEBUG_PATH");
963 tdm_display_enable_path(str);
965 if (pthread_mutex_init(&private_display->lock, NULL)) {
966 /* LCOV_EXCL_START */
967 ret = TDM_ERROR_OPERATION_FAILED;
968 TDM_ERR("mutex init failed: %m");
969 goto failed_mutex_init;
973 _pthread_mutex_lock(&private_display->lock);
975 stamp2 = tdm_helper_get_time();
976 TDM_DBG("prepare init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
979 ret = tdm_vblank_init(private_display);
980 if (ret != TDM_ERROR_NONE)
983 ret = tdm_event_loop_init(private_display);
984 if (ret != TDM_ERROR_NONE)
987 stamp2 = tdm_helper_get_time();
988 TDM_DBG("creating event loop time: %.3f ms", (stamp2 - stamp1) * 1000.0);
991 ret = _tdm_display_load_module(private_display);
992 if (ret != TDM_ERROR_NONE)
995 stamp2 = tdm_helper_get_time();
996 TDM_DBG("loading backend time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1000 int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
1001 if (tdm_drm_fd >= 0) {
1002 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
1004 if (!private_display->bufmgr) {
1005 TDM_ERR("tbm_bufmgr_init failed");
1008 TDM_INFO("tbm_bufmgr_init successed");
1011 stamp2 = tdm_helper_get_time();
1012 TDM_DBG("initializing bufmgr time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1017 TDM_TRACE_BEGIN("TDM_Update_Display");
1018 ret = _tdm_display_update_internal(private_display, 0);
1020 if (ret != TDM_ERROR_NONE)
1023 stamp2 = tdm_helper_get_time();
1024 TDM_DBG("updating display time: %.3f ms", (stamp2 - stamp1) * 1000.0);
1027 tdm_event_loop_create_backend_source(private_display);
1029 private_display->init_count = 1;
1030 g_private_display = private_display;
1032 tdm_private_output *o = NULL;
1033 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1034 if (o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC)
1035 tdm_output_need_validate_event_init(o);
1038 /* the COMMIT_PER_VBLANK functionality is ability of an output to support
1039 * several operational modes (commit_per_vblank modes) related to tdm_commit;
1040 * this functionality can be turned off which means a default mode */
1041 str = getenv("TDM_COMMIT_PER_VBLANK");
1043 tdm_private_output *o = NULL;
1045 int mode = strtol(str, &end, 10);
1047 /* outputs which support hwc capability can work only
1048 * if commit_per_vblank mode is '0' (default mode) */
1049 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link)
1050 if (!(o->caps.capabilities & TDM_OUTPUT_CAPABILITY_HWC))
1051 tdm_output_choose_commit_per_vblank_mode(o, mode);
1055 *error = TDM_ERROR_NONE;
1057 _pthread_mutex_unlock(&private_display->lock);
1058 pthread_mutex_unlock(&gLock);
1060 TDM_INFO("init time: %.3f ms", (tdm_helper_get_time() - start) * 1000.0);
1062 return (tdm_display *)private_display;
1064 /* LCOV_EXCL_START */
1066 _tdm_display_unload_module(private_display);
1068 tdm_event_loop_stop(private_display);
1069 tdm_event_loop_deinit(private_display);
1071 tdm_vblank_deinit(private_display);
1073 _pthread_mutex_unlock(&private_display->lock);
1074 pthread_mutex_destroy(&private_display->lock);
1076 free(private_display);
1080 pthread_mutex_unlock(&gLock);
1082 /* LCOV_EXCL_STOP */
1086 tdm_display_deinit(tdm_display *dpy)
1088 tdm_private_display *private_display = dpy;
1090 if (!private_display)
1093 TDM_RETURN_IF_FAIL(tdm_display_is_valid(dpy));
1095 pthread_mutex_lock(&gLock);
1097 private_display->init_count--;
1098 if (private_display->init_count > 0) {
1099 pthread_mutex_unlock(&gLock);
1103 /* dont move the position of lock/unlock. all resource should be protected
1104 * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1105 * things because it's finalized.
1107 _pthread_mutex_lock(&private_display->lock);
1108 tdm_event_loop_stop(private_display);
1109 _tdm_display_destroy_private_display(private_display);
1110 _tdm_display_unload_module(private_display);
1111 _pthread_mutex_unlock(&private_display->lock);
1113 tdm_event_loop_deinit(private_display);
1114 tdm_vblank_deinit(private_display);
1117 if (private_display->bufmgr)
1118 tbm_bufmgr_deinit(private_display->bufmgr);
1121 tbm_drm_helper_unset_tbm_master_fd();
1123 pthread_mutex_destroy(&private_display->lock);
1124 free(private_display);
1125 g_private_display = NULL;
1127 if (tdm_debug_dump_dir) {
1128 free(tdm_debug_dump_dir);
1129 tdm_debug_dump_dir = NULL;
1132 pthread_mutex_unlock(&gLock);
1138 tdm_display_is_valid(tdm_display *dpy)
1140 if (dpy != NULL && dpy == g_private_display)
1146 tdm_output_is_valid(tdm_output *output)
1148 tdm_private_output *o = NULL, *private_output = output;
1149 if (output && g_private_display)
1150 LIST_FOR_EACH_ENTRY(o, &g_private_display->output_list, link)
1151 if (o == private_output)
1156 /* LCOV_EXCL_START */
1158 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin)
1160 tdm_backend_module *module = private_display->module_data;
1162 if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
1165 if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)
1172 tdm_display_enable_debug_module(const char*modules)
1174 char temp[TDM_PATH_LEN];
1178 snprintf(temp, TDM_PATH_LEN, "%s", modules);
1180 tdm_debug_module = 0;
1182 arg = strtok_r(temp, TDM_DELIM, &end);
1184 if (!strncmp(arg, "none", 4)) {
1185 tdm_debug_module = 0;
1186 return TDM_ERROR_NONE;
1188 if (!strncmp(arg, "all", 3)) {
1189 tdm_debug_module = 0xFFFFFFFF;
1190 return TDM_ERROR_NONE;
1192 if (!strncmp(arg, "buffer", 6))
1193 tdm_debug_module |= TDM_DEBUG_BUFFER;
1194 else if (!strncmp(arg, "thread", 6))
1195 tdm_debug_module |= TDM_DEBUG_THREAD;
1196 else if (!strncmp(arg, "mutex", 5))
1197 tdm_debug_module |= TDM_DEBUG_MUTEX;
1198 else if (!strncmp(arg, "vblank", 6))
1199 tdm_debug_module |= TDM_DEBUG_VBLANK;
1200 else if (!strncmp(arg, "commit", 6))
1201 tdm_debug_module |= TDM_DEBUG_COMMIT;
1203 arg = strtok_r(NULL, TDM_DELIM, &end);
1206 TDM_INFO("module debugging... '%s'", modules);
1208 return TDM_ERROR_NONE;
1212 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len)
1214 char temp[TDM_PATH_LEN] = {0,}, temp2[TDM_PATH_LEN] = {0,};
1215 char *path = NULL, *path2;
1219 snprintf(temp2, TDM_PATH_LEN, "%s", dump_str);
1220 path2 = strtostr(temp, TDM_PATH_LEN, temp2, "@");
1221 if (!path2 || path2[0] == '\0')
1222 path2 = TDM_DUMP_DIR;
1228 snprintf(temp, sizeof(temp), "%s", dump_str);
1229 arg = strtok_r(temp, ",", &end);
1230 TDM_GOTO_IF_FAIL(arg != NULL, done);
1232 if (!strncmp(arg, "none", 4)) {
1234 TDM_SNPRINTF(reply, len, "path: %s\n", (tdm_debug_dump_dir) ? : "unknown");
1235 if (tdm_debug_dump_dir) {
1236 free(tdm_debug_dump_dir);
1237 tdm_debug_dump_dir = NULL;
1242 path = tdm_helper_dump_make_directory(path2, reply, len);
1243 TDM_GOTO_IF_FAIL(path != NULL, done);
1245 if (!strncmp(arg, "current", 7)) {
1246 tdm_private_output *o = NULL;
1247 if (!private_display) {
1248 TDM_WRN("no private_display");
1252 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1253 tdm_private_layer *l = NULL;
1254 LIST_FOR_EACH_ENTRY(l, &o->layer_list, link) {
1255 char str[TDM_PATH_LEN];
1256 if (l->usable || l->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)
1258 if (!l->showing_buffer)
1260 snprintf(str, TDM_PATH_LEN, "layer_%d_%d", o->index, l->index);
1261 tdm_helper_dump_buffer_str(l->showing_buffer->buffer, path, str);
1265 TDM_SNPRINTF(reply, len, "path: %s\n", path);
1269 TDM_SNPRINTF(reply, len, "dump: %s\n", arg);
1272 if (!strncmp(arg, "all", 3)) {
1273 tdm_debug_dump = 0xFFFFFFFF;
1275 } else if (!strncmp(arg, "layer", 5)) {
1276 tdm_debug_dump |= TDM_DUMP_FLAG_LAYER;
1277 } else if (!strncmp(arg, "pp", 2)) {
1278 tdm_debug_dump |= TDM_DUMP_FLAG_PP;
1279 } else if (!strncmp(arg, "capture", 7)) {
1280 tdm_debug_dump |= TDM_DUMP_FLAG_CAPTURE;
1281 } else if (!strncmp(arg, "window", 6)) {
1282 tdm_debug_dump |= TDM_DUMP_FLAG_WINDOW;
1286 arg = strtok_r(NULL, ",", &end);
1289 if (tdm_debug_dump_dir)
1290 free(tdm_debug_dump_dir);
1292 tdm_debug_dump_dir = strndup(path, TDM_PATH_LEN);
1294 TDM_INFO("dump... '%s'", dump_str);
1300 return TDM_ERROR_NONE;
1304 tdm_display_enable_path(const char *path)
1306 static int old_stdout = -1;
1307 char fd_name[TDM_PATH_LEN];
1311 if (old_stdout == -1)
1312 old_stdout = dup(STDOUT_FILENO);
1314 tdm_log_enable_dlog(0);
1316 snprintf(fd_name, TDM_PATH_LEN, "%s", path);
1318 log_fl = fopen(fd_name, "a");
1320 TDM_ERR("failed: open file(%s)\n", fd_name);
1321 return TDM_ERROR_OPERATION_FAILED;
1325 close(STDOUT_FILENO);
1327 setvbuf(log_fl, NULL, _IOLBF, 512);
1328 log_fd = fileno(log_fl);
1330 dup2(log_fd, STDOUT_FILENO);
1333 return TDM_ERROR_NONE;
1337 _tdm_display_ttrace_vblank_cb(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
1338 unsigned int tv_sec, unsigned int tv_usec, void *user_data)
1340 tdm_error ret = TDM_ERROR_NONE;
1342 TDM_TRACE_MARK("VSYNC");
1344 ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1345 TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1349 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable)
1351 tdm_private_display *private_display = dpy;
1352 tdm_private_output *private_output = NULL;
1353 const tdm_output_mode *mode = NULL;
1354 tdm_vblank *vblank = NULL;
1355 tdm_error ret = TDM_ERROR_NONE;
1358 LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
1359 if (private_output->ttrace_vblank)
1360 tdm_vblank_destroy(private_output->ttrace_vblank);
1361 private_output->ttrace_vblank = NULL;
1363 return TDM_ERROR_NONE;
1366 private_output = output;
1367 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
1369 if (private_output->ttrace_vblank)
1370 return TDM_ERROR_NONE;
1372 vblank = tdm_vblank_create(private_display, output, &ret);
1373 TDM_RETURN_VAL_IF_FAIL(vblank != NULL, ret);
1375 ret = tdm_output_get_mode(output, &mode);
1376 TDM_GOTO_IF_FAIL(mode != NULL, enable_fail);
1378 ret = tdm_vblank_set_fps(vblank, mode->vrefresh);
1379 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1381 ret = tdm_vblank_set_enable_fake(vblank, 1);
1382 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1384 ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1385 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1387 private_output->ttrace_vblank = vblank;
1389 return TDM_ERROR_NONE;
1393 tdm_vblank_destroy(vblank);
1399 tdm_display_enable_ttrace(tdm_private_display *private_display, const char *ttrace, int output_id, char *reply, int *len)
1401 char temp[TDM_PATH_LEN];
1406 tdm_output_type type;
1408 snprintf(temp, TDM_PATH_LEN, "%s", ttrace);
1410 tdm_ttrace_output = output_id;
1411 tdm_ttrace_module = 0;
1413 output = tdm_display_get_output(private_display, output_id, &ret);
1415 TDM_SNPRINTF(reply, len, "can't find the output_id(%d)\n", output_id);
1419 ret = tdm_output_get_output_type(output, &type);
1420 if (ret != TDM_ERROR_NONE) {
1421 TDM_SNPRINTF(reply, len, "can't find the type of output_id(%d)\n", output_id);
1425 arg = strtok_r(temp, TDM_DELIM, &end);
1427 if (!strncmp(arg, "none", 4))
1428 tdm_ttrace_module = 0;
1429 else if (!strncmp(arg, "all", 3))
1430 tdm_ttrace_module = 0xFFFFFFFF;
1431 else if (!strncmp(arg, "vsync", 5))
1432 tdm_ttrace_module |= TDM_TTRACE_VSYNC;
1433 else if (!strncmp(arg, "client_vblank", 13))
1434 tdm_ttrace_module |= TDM_TTRACE_CLIENT_VBLANK;
1435 else if (!strncmp(arg, "server_vblank", 13))
1436 tdm_ttrace_module |= TDM_TTRACE_SERVER_VBLANK;
1437 else if (!strncmp(arg, "vblank", 6))
1438 tdm_ttrace_module |= TDM_TTRACE_VBLANK;
1439 else if (!strncmp(arg, "layer", 5))
1440 tdm_ttrace_module |= TDM_TTRACE_LAYER;
1441 else if (!strncmp(arg, "pp", 2))
1442 tdm_ttrace_module |= TDM_TTRACE_PP;
1443 else if (!strncmp(arg, "capture", 7))
1444 tdm_ttrace_module |= TDM_TTRACE_CAPTURE;
1446 tdm_ttrace_module = 0;
1447 tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
1448 tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
1449 TDM_SNPRINTF(reply, len, "unknown option: '%s'\n", arg);
1450 return TDM_ERROR_NONE;
1453 arg = strtok_r(NULL, TDM_DELIM, &end);
1456 TDM_SNPRINTF(reply, len, "ttrace debugging... '%s' %x\n", ttrace, tdm_ttrace_module);
1458 if (tdm_ttrace_module & TDM_TTRACE_VSYNC)
1459 tdm_display_enable_ttrace_vblank(private_display, output, 1);
1461 tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
1463 if (tdm_ttrace_module & TDM_TTRACE_CLIENT_VBLANK)
1464 tdm_server_enable_ttrace_client_vblank(private_display, output, 1);
1466 tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
1468 return TDM_ERROR_NONE;
1472 tdm_display_enable_fps(tdm_private_display *private_display, int enable)
1474 private_display->print_fps = enable;
1476 TDM_INFO("print fps: %s", (enable) ? "enable" : "disable");
1478 return TDM_ERROR_NONE;
1480 /* LCOV_EXCL_STOP */