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 **************************************************************************/
41 #include "tdm_backend.h"
42 #include "tdm_private.h"
43 #include "tdm_helper.h"
45 pthread_mutex_t tdm_mutex_check_lock = PTHREAD_MUTEX_INITIALIZER;
48 static tdm_private_layer *
49 _tdm_display_find_private_layer(tdm_private_output *private_output,
50 tdm_layer *layer_backend)
52 tdm_private_layer *private_layer = NULL;
54 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
55 if (private_layer->layer_backend == layer_backend)
62 static tdm_private_output *
63 _tdm_display_find_private_output(tdm_private_display *private_display,
64 tdm_output *output_backend)
66 tdm_private_output *private_output = NULL;
68 LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
69 if (private_output->output_backend == output_backend)
70 return private_output;
76 INTERN tdm_private_output *
77 tdm_display_find_output_stamp(tdm_private_display *private_display, double stamp)
79 tdm_private_output *private_output = NULL;
81 LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
82 if (private_output->stamp == stamp)
83 return private_output;
90 _tdm_display_destroy_caps_pp(tdm_caps_pp *caps_pp)
93 free(caps_pp->formats);
95 memset(caps_pp, 0, sizeof(tdm_caps_pp));
99 _tdm_display_destroy_caps_capture(tdm_caps_capture *caps_capture)
101 if (caps_capture->formats)
102 free(caps_capture->formats);
104 memset(caps_capture, 0, sizeof(tdm_caps_capture));
108 _tdm_display_destroy_caps_layer(tdm_caps_layer *caps_layer)
110 if (caps_layer->formats)
111 free(caps_layer->formats);
113 if (caps_layer->props)
114 free(caps_layer->props);
116 memset(caps_layer, 0, sizeof(tdm_caps_layer));
120 _tdm_display_destroy_caps_output(tdm_caps_output *caps_output)
122 if (caps_output->modes)
123 free(caps_output->modes);
125 if (caps_output->props)
126 free(caps_output->props);
128 memset(caps_output, 0, sizeof(tdm_caps_output));
132 _tdm_display_destroy_private_layer(tdm_private_layer *private_layer)
134 tdm_private_capture *c = NULL, *cc = NULL;
136 LIST_DEL(&private_layer->link);
138 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_layer->capture_list, link)
139 tdm_capture_destroy_internal(c);
141 _tdm_display_destroy_caps_layer(&private_layer->caps);
147 _tdm_display_destroy_private_output(tdm_private_output *private_output)
149 tdm_private_layer *l = NULL, *ll = NULL;
150 tdm_private_capture *c = NULL, *cc = NULL;
151 tdm_private_vblank_handler *v = NULL, *vv = NULL;
152 tdm_private_commit_handler *m = NULL, *mm = NULL;
153 tdm_private_change_handler *h = NULL, *hh = NULL;
155 LIST_DEL(&private_output->link);
157 free(private_output->layers_ptr);
159 LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
164 LIST_FOR_EACH_ENTRY_SAFE(m, mm, &private_output->commit_handler_list, link) {
169 LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_main, link) {
174 LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_sub, link) {
179 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_output->capture_list, link)
180 tdm_capture_destroy_internal(c);
182 LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
183 _tdm_display_destroy_private_layer(l);
185 _tdm_display_destroy_caps_output(&private_output->caps);
187 if (private_output->dpms_changed_timer)
188 tdm_event_loop_source_remove(private_output->dpms_changed_timer);
190 private_output->stamp = 0;
191 free(private_output);
195 _tdm_display_destroy_private_display(tdm_private_display *private_display)
197 tdm_private_output *o = NULL, *oo = NULL;
198 tdm_private_pp *p = NULL, *pp = NULL;
200 free(private_display->outputs_ptr);
201 if (private_display->outputs) {
202 free(private_display->outputs);
203 private_display->outputs = NULL;
206 LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_display->pp_list, link)
207 tdm_pp_destroy_internal(p);
209 LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_display->output_list, link)
210 _tdm_display_destroy_private_output(o);
212 _tdm_display_destroy_caps_pp(&private_display->caps_pp);
213 _tdm_display_destroy_caps_capture(&private_display->caps_capture);
215 private_display->capabilities = 0;
216 private_display->caps_display.max_layer_count = -1;
220 _tdm_display_update_caps_pp(tdm_private_display *private_display,
223 tdm_func_display *func_display = &private_display->func_display;
226 if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
227 return TDM_ERROR_NONE;
229 if (!func_display->display_get_pp_capability) {
230 TDM_ERR("no display_get_pp_capability()");
231 return TDM_ERROR_BAD_MODULE;
234 ret = func_display->display_get_pp_capability(private_display->bdata, caps);
235 if (ret != TDM_ERROR_NONE) {
236 TDM_ERR("display_get_pp_capability() failed");
237 return TDM_ERROR_BAD_MODULE;
240 return TDM_ERROR_NONE;
244 _tdm_display_update_caps_capture(tdm_private_display *private_display,
245 tdm_caps_capture *caps)
247 tdm_func_display *func_display = &private_display->func_display;
250 if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
251 return TDM_ERROR_NONE;
253 if (!func_display->display_get_capture_capability) {
254 TDM_ERR("no display_get_capture_capability()");
255 return TDM_ERROR_BAD_MODULE;
258 ret = func_display->display_get_capture_capability(private_display->bdata, caps);
259 if (ret != TDM_ERROR_NONE) {
260 TDM_ERR("display_get_capture_capability() failed");
261 return TDM_ERROR_BAD_MODULE;
264 return TDM_ERROR_NONE;
268 _tdm_display_update_caps_layer(tdm_private_display *private_display,
269 tdm_layer *layer_backend, tdm_caps_layer *caps)
271 tdm_func_layer *func_layer = &private_display->func_layer;
274 if (!func_layer->layer_get_capability) {
275 TDM_ERR("no layer_get_capability()");
276 return TDM_ERROR_BAD_MODULE;
279 ret = func_layer->layer_get_capability(layer_backend, caps);
280 if (ret != TDM_ERROR_NONE) {
281 TDM_ERR("layer_get_capability() failed");
282 return TDM_ERROR_BAD_MODULE;
285 return TDM_ERROR_NONE;
289 _tdm_display_update_caps_output(tdm_private_display *private_display, int pipe,
290 tdm_output *output_backend, tdm_caps_output *caps)
292 tdm_func_output *func_output = &private_display->func_output;
293 char temp[TDM_NAME_LEN];
296 if (!func_output->output_get_capability) {
297 TDM_ERR("no output_get_capability()");
298 return TDM_ERROR_BAD_MODULE;
301 ret = func_output->output_get_capability(output_backend, caps);
302 if (ret != TDM_ERROR_NONE) {
303 TDM_ERR("output_get_capability() failed");
304 return TDM_ERROR_BAD_MODULE;
307 /* FIXME: Use model for tdm client to distinguish amoung outputs */
308 snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
309 snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
311 return TDM_ERROR_NONE;
315 _tdm_display_update_layer(tdm_private_display *private_display,
316 tdm_private_output *private_output,
317 tdm_layer *layer_backend, int index)
319 tdm_private_layer *private_layer;
322 private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
323 if (!private_layer) {
324 private_layer = calloc(1, sizeof(tdm_private_layer));
325 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
327 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
328 private_layer->index = index;
329 private_layer->private_display = private_display;
330 private_layer->private_output = private_output;
331 private_layer->layer_backend = layer_backend;
333 LIST_INITHEAD(&private_layer->capture_list);
335 private_layer->usable = 1;
337 _tdm_display_destroy_caps_layer(&private_layer->caps);
339 ret = _tdm_display_update_caps_layer(private_display, layer_backend,
340 &private_layer->caps);
341 if (ret != TDM_ERROR_NONE)
344 return TDM_ERROR_NONE;
346 _tdm_display_destroy_private_layer(private_layer);
351 tdm_display_update_output(tdm_private_display *private_display,
352 tdm_output *output_backend, int pipe)
354 tdm_func_output *func_output = &private_display->func_output;
355 tdm_private_output *private_output = NULL;
356 tdm_layer **layers = NULL;
357 int layer_count = 0, i;
360 private_output = _tdm_display_find_private_output(private_display, output_backend);
361 if (!private_output) {
362 private_output = calloc(1, sizeof(tdm_private_output));
363 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
365 private_output->stamp = tdm_helper_get_time();
366 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
367 private_output->stamp++;
369 LIST_ADDTAIL(&private_output->link, &private_display->output_list);
371 private_output->private_display = private_display;
372 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
373 private_output->output_backend = output_backend;
374 private_output->pipe = pipe;
375 private_output->index = pipe;
377 LIST_INITHEAD(&private_output->layer_list);
378 LIST_INITHEAD(&private_output->capture_list);
379 LIST_INITHEAD(&private_output->vblank_handler_list);
380 LIST_INITHEAD(&private_output->commit_handler_list);
381 LIST_INITHEAD(&private_output->change_handler_list_main);
382 LIST_INITHEAD(&private_output->change_handler_list_sub);
384 if (func_output->output_set_status_handler) {
385 func_output->output_set_status_handler(private_output->output_backend,
386 tdm_output_cb_status,
388 private_output->regist_change_cb = 1;
391 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
392 &private_output->caps);
393 if (ret != TDM_ERROR_NONE)
396 tdm_caps_output new_caps;
398 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
400 if (ret != TDM_ERROR_NONE)
403 /* FIXME: This is very ugly. need to fix after the TDM ABI is changed. */
404 if (private_output->caps.status != new_caps.status) {
405 _tdm_display_destroy_caps_output(&private_output->caps);
406 private_output->caps = new_caps;
407 private_output->current_mode = NULL;
409 tdm_output_mode *old_modes = private_output->caps.modes;
410 unsigned int old_mode_count = private_output->caps.mode_count;
412 free(new_caps.modes);
413 new_caps.modes = old_modes;
414 new_caps.mode_count = old_mode_count;
415 if (private_output->caps.props)
416 free(private_output->caps.props);
417 private_output->caps = new_caps;
421 layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
422 if (ret != TDM_ERROR_NONE)
425 for (i = 0; i < layer_count; i++) {
426 ret = _tdm_display_update_layer(private_display, private_output, layers[i], i);
427 if (ret != TDM_ERROR_NONE)
433 return TDM_ERROR_NONE;
435 _tdm_display_destroy_private_output(private_output);
441 _tdm_display_set_main_first(tdm_output **outputs, int index)
443 tdm_output *output_tmp = NULL;
448 output_tmp = outputs[0];
449 outputs[0] = outputs[index];
450 outputs[index] = output_tmp;
456 _tdm_display_get_ordered_outputs(tdm_private_display *private_display, int *count)
458 tdm_func_display *func_display = &private_display->func_display;
459 tdm_output **outputs = NULL;
460 tdm_output **new_outputs = NULL;
461 tdm_output *output_dsi = NULL;
462 tdm_output *output_lvds = NULL;
463 tdm_output *output_hdmia = NULL;
464 tdm_output *output_hdmib = NULL;
465 int i, output_count = 0, output_connected_count = 0;
466 int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
469 /* don't change list order if not init time */
470 if (private_display->outputs)
471 return private_display->outputs;
473 outputs = func_display->display_get_outputs(private_display->bdata, &output_count, &ret);
474 if (ret != TDM_ERROR_NONE)
475 goto failed_get_outputs;
477 *count = output_count;
479 if (output_count == 0)
480 goto failed_get_outputs;
481 else if (output_count == 1) {
482 private_display->outputs = outputs;
486 /* count connected outputs */
487 for (i = 0; i < output_count; i++) {
488 tdm_func_output *func_output = &private_display->func_output;
489 tdm_caps_output caps;
490 memset(&caps, 0, sizeof(tdm_caps_output));
492 if (!func_output->output_get_capability) {
493 TDM_ERR("no output_get_capability()");
494 goto failed_get_outputs;
497 ret = func_output->output_get_capability(outputs[i], &caps);
498 if (ret != TDM_ERROR_NONE) {
499 TDM_ERR("output_get_capability() failed");
500 goto failed_get_outputs;
503 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
504 output_connected_count++;
507 case TDM_OUTPUT_TYPE_DSI:
508 output_dsi = outputs[i];
511 case TDM_OUTPUT_TYPE_LVDS:
512 output_lvds = outputs[i];
515 case TDM_OUTPUT_TYPE_HDMIA:
516 output_hdmia = outputs[i];
519 case TDM_OUTPUT_TYPE_HDMIB:
520 output_hdmib = outputs[i];
528 _tdm_display_destroy_caps_output(&caps);
531 /* ordering : main output is first */
532 /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
533 * But hdmi is possible, so set hdmi to main display.
534 * If connected only one output, it is main output.
535 * If connected outputs over 2, has priority like below.
536 * (dsi > lvds > hdmi > else)
538 if (output_connected_count == 0) {
539 /* hdmi > dsi > lvds > else */
540 if (output_hdmia != NULL)
541 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
542 else if (output_hdmib != NULL)
543 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
544 else if (output_dsi != NULL)
545 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
546 else if (output_lvds != NULL)
547 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
549 new_outputs = outputs;
550 } else { /* (output_connected_count > 1) */
551 /* dsi > lvds > hdmi > else */
552 if (output_dsi != NULL)
553 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
554 else if (output_lvds != NULL)
555 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
556 else if (output_hdmia != NULL)
557 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
558 else if (output_hdmib != NULL)
559 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
561 new_outputs = outputs;
564 private_display->outputs = new_outputs;
575 _tdm_display_update_internal(tdm_private_display *private_display,
578 tdm_output **outputs = NULL;
579 int output_count = 0, i;
580 tdm_error ret = TDM_ERROR_NONE;
582 LIST_INITHEAD(&private_display->output_list);
583 LIST_INITHEAD(&private_display->pp_list);
584 LIST_INITHEAD(&private_display->capture_list);
587 ret = _tdm_display_update_caps_pp(private_display, &private_display->caps_pp);
588 if (ret != TDM_ERROR_NONE)
591 ret = _tdm_display_update_caps_capture(private_display,
592 &private_display->caps_capture);
593 if (ret != TDM_ERROR_NONE)
597 outputs = _tdm_display_get_ordered_outputs(private_display, &output_count);
601 for (i = 0; i < output_count; i++) {
602 ret = tdm_display_update_output(private_display, outputs[i], i);
603 if (ret != TDM_ERROR_NONE)
607 return TDM_ERROR_NONE;
610 _tdm_display_destroy_private_display(private_display);
615 tdm_display_update(tdm_display *dpy)
617 tdm_private_display *private_display;
620 TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
622 private_display = dpy;
623 _pthread_mutex_lock(&private_display->lock);
625 ret = _tdm_display_update_internal(private_display, 1);
627 _pthread_mutex_unlock(&private_display->lock);
632 #define SUFFIX_MODULE ".so"
633 #define DEFAULT_MODULE "libtdm-default"SUFFIX_MODULE
635 int tdm_debug_module;
638 static tdm_private_display *g_private_display;
639 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
642 _tdm_display_check_module(tdm_backend_module *module)
646 TDM_INFO("TDM ABI version : %d.%d",
647 TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
650 TDM_ERR("TDM backend doesn't have name");
651 return TDM_ERROR_BAD_MODULE;
654 if (!module->vendor) {
655 TDM_ERR("TDM backend doesn't have vendor");
656 return TDM_ERROR_BAD_MODULE;
659 major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
660 minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
662 TDM_INFO("TDM module name: %s", module->name);
663 TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
664 TDM_INFO("'%s' version: %d.%d", module->name, major, minor);
666 if (major != TDM_MAJOR_VERSION) {
667 TDM_ERR("'%s' major version mismatch, %d != %d",
668 module->name, major, TDM_MAJOR_VERSION);
669 return TDM_ERROR_BAD_MODULE;
672 if (minor > TDM_MINOR_VERSION) {
673 TDM_ERR("'%s' minor version(%d) is newer than %d",
674 module->name, minor, TDM_MINOR_VERSION);
675 return TDM_ERROR_BAD_MODULE;
679 TDM_ERR("'%s' doesn't have init function", module->name);
680 return TDM_ERROR_BAD_MODULE;
683 if (!module->deinit) {
684 TDM_ERR("'%s' doesn't have deinit function", module->name);
685 return TDM_ERROR_BAD_MODULE;
688 return TDM_ERROR_NONE;
692 _tdm_display_check_backend_functions(tdm_private_display *private_display)
694 tdm_func_display *func_display = &private_display->func_display;
695 tdm_func_output *func_output = &private_display->func_output;
696 tdm_func_layer *func_layer = &private_display->func_layer;
699 /* below functions should be implemented in backend side */
701 TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
702 // TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capabilitiy, TDM_ERROR_BAD_MODULE);
703 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
704 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
705 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
706 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
708 if (func_display->display_get_capability)
709 ret = func_display->display_get_capability(private_display->bdata, &private_display->caps_display);
711 ret = func_display->display_get_capabilitiy(private_display->bdata, &private_display->caps_display);
712 if (ret != TDM_ERROR_NONE) {
713 TDM_ERR("display_get_capability() failed");
714 return TDM_ERROR_BAD_MODULE;
717 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
718 tdm_func_pp *func_pp = &private_display->func_pp;
719 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
720 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
721 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
722 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
723 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
726 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
727 tdm_func_capture *func_capture = &private_display->func_capture;
728 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
729 TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
730 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
731 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
732 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
733 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
736 return TDM_ERROR_NONE;
740 _tdm_display_load_module_with_file(tdm_private_display *private_display,
743 char path[PATH_MAX] = {0,};
744 tdm_backend_module *module_data;
748 snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
750 TDM_TRACE_BEGIN(Load_Backend);
752 module = dlopen(path, RTLD_LAZY);
754 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
756 return TDM_ERROR_BAD_MODULE;
759 module_data = dlsym(module, "tdm_backend_module_data");
761 TDM_ERR("'%s' doesn't have data object", file);
762 ret = TDM_ERROR_BAD_MODULE;
767 private_display->module_data = module_data;
768 private_display->module = module;
770 /* check if version, init() and deinit() are valid or not */
771 ret = _tdm_display_check_module(module_data);
772 if (ret != TDM_ERROR_NONE)
777 /* We don't care if backend_data is NULL or not. It's up to backend. */
778 TDM_TRACE_BEGIN(Init_Backend);
779 private_display->bdata = module_data->init((tdm_display *)private_display, &ret);
781 if (ret != TDM_ERROR_NONE) {
782 TDM_ERR("failed to init '%s' module", module_data->name);
786 ret = _tdm_display_check_backend_functions(private_display);
787 if (ret != TDM_ERROR_NONE) {
788 module_data->deinit(private_display->bdata);
789 private_display->bdata = NULL;
793 TDM_INFO("Success to load '%s' module", module_data->name);
795 return TDM_ERROR_NONE;
798 private_display->module_data = NULL;
799 private_display->module = NULL;
804 _tdm_display_load_module(tdm_private_display *private_display)
806 const char *module_name;
807 struct dirent **namelist;
811 module_name = getenv("TDM_MODULE");
813 module_name = DEFAULT_MODULE;
815 /* load bufmgr priv from default lib */
816 ret = _tdm_display_load_module_with_file(private_display, module_name);
817 if (ret == TDM_ERROR_NONE)
818 return TDM_ERROR_NONE;
820 /* load bufmgr priv from configured path */
821 n = scandir(TDM_MODULE_PATH, &namelist, 0, alphasort);
823 TDM_ERR("no module in '%s'\n", TDM_MODULE_PATH);
824 return TDM_ERROR_BAD_MODULE;
827 ret = TDM_ERROR_BAD_MODULE;
829 if (ret < 0 && strstr(namelist[n]->d_name, SUFFIX_MODULE))
830 ret = _tdm_display_load_module_with_file(private_display, namelist[n]->d_name);
840 _tdm_display_unload_module(tdm_private_display *private_display)
842 if (private_display->module_data)
843 private_display->module_data->deinit(private_display->bdata);
844 if (private_display->module)
845 dlclose(private_display->module);
847 private_display->bdata = NULL;
848 private_display->module_data = NULL;
849 private_display->module = NULL;
853 tdm_display_init(tdm_error *error)
855 tdm_private_display *private_display = NULL;
859 _pthread_mutex_lock(&gLock);
861 if (g_private_display) {
862 g_private_display->init_count++;
863 _pthread_mutex_unlock(&gLock);
865 *error = TDM_ERROR_NONE;
866 return g_private_display;
869 private_display = calloc(1, sizeof(tdm_private_display));
870 if (!private_display) {
871 ret = TDM_ERROR_OUT_OF_MEMORY;
872 TDM_ERR("'private_display != NULL' failed");
876 debug = getenv("TDM_DEBUG_MODULE");
878 tdm_display_enable_debug_module(debug);
880 debug = getenv("TDM_DEBUG_DUMP");
882 tdm_display_enable_dump(private_display, debug, NULL, NULL);
884 debug = getenv("TDM_DEBUG_PATH");
886 tdm_display_enable_path(debug);
888 if (pthread_mutex_init(&private_display->lock, NULL)) {
889 ret = TDM_ERROR_OPERATION_FAILED;
890 TDM_ERR("mutex init failed: %m");
891 goto failed_mutex_init;
894 _pthread_mutex_lock(&private_display->lock);
896 ret = tdm_event_loop_init(private_display);
897 if (ret != TDM_ERROR_NONE)
900 ret = _tdm_display_load_module(private_display);
901 if (ret != TDM_ERROR_NONE)
905 int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
906 if (tdm_drm_fd >= 0) {
907 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
909 if (!private_display->bufmgr) {
910 TDM_ERR("tbm_bufmgr_init failed");
913 TDM_INFO("tbm_bufmgr_init successed");
918 TDM_TRACE_BEGIN(Update_Display);
919 ret = _tdm_display_update_internal(private_display, 0);
921 if (ret != TDM_ERROR_NONE)
924 tdm_event_loop_create_backend_source(private_display);
926 private_display->init_count = 1;
928 g_private_display = private_display;
931 *error = TDM_ERROR_NONE;
933 _pthread_mutex_unlock(&private_display->lock);
934 _pthread_mutex_unlock(&gLock);
936 return (tdm_display *)private_display;
939 _tdm_display_unload_module(private_display);
941 tdm_event_loop_deinit(private_display);
943 _pthread_mutex_unlock(&private_display->lock);
944 pthread_mutex_destroy(&private_display->lock);
946 free(private_display);
950 _pthread_mutex_unlock(&gLock);
955 tdm_display_deinit(tdm_display *dpy)
957 tdm_private_display *private_display = dpy;
959 if (!private_display)
962 _pthread_mutex_lock(&gLock);
964 private_display->init_count--;
965 if (private_display->init_count > 0) {
966 _pthread_mutex_unlock(&gLock);
970 /* dont move the position of lock/unlock. all resource should be protected
971 * during destroying. after tdm_event_loop_deinit, we don't worry about thread
972 * things because it's finalized.
974 _pthread_mutex_lock(&private_display->lock);
975 tdm_event_loop_deinit(private_display);
976 _pthread_mutex_unlock(&private_display->lock);
978 _tdm_display_destroy_private_display(private_display);
979 _tdm_display_unload_module(private_display);
982 if (private_display->bufmgr)
983 tbm_bufmgr_deinit(private_display->bufmgr);
986 tdm_helper_set_fd("TDM_DRM_MASTER_FD", -1);
988 pthread_mutex_destroy(&private_display->lock);
989 free(private_display);
990 g_private_display = NULL;
992 if (tdm_debug_dump_dir) {
993 free(tdm_debug_dump_dir);
994 tdm_debug_dump_dir = NULL;
997 _pthread_mutex_unlock(&gLock);
1003 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin)
1005 tdm_backend_module *module = private_display->module_data;
1007 if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
1010 if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)
1017 tdm_display_enable_debug_module(const char*modules)
1019 char temp[TDM_PATH_LEN];
1023 snprintf(temp, TDM_PATH_LEN, "%s", modules);
1025 tdm_debug_module = 0;
1027 arg = strtok_r(temp, TDM_DELIM, &end);
1029 if (!strncmp(arg, "none", 4)) {
1030 tdm_debug_module = 0;
1031 return TDM_ERROR_NONE;
1033 if (!strncmp(arg, "all", 3)) {
1034 tdm_debug_module = 0xFFFFFFFF;
1035 return TDM_ERROR_NONE;
1037 if (!strncmp(arg, "buffer", 6))
1038 tdm_debug_module |= TDM_DEBUG_BUFFER;
1039 else if (!strncmp(arg, "thread", 6))
1040 tdm_debug_module |= TDM_DEBUG_THREAD;
1041 else if (!strncmp(arg, "mutex", 5))
1042 tdm_debug_module |= TDM_DEBUG_MUTEX;
1043 else if (!strncmp(arg, "vblank", 6))
1044 tdm_debug_module |= TDM_DEBUG_VBLANK;
1046 return TDM_ERROR_BAD_REQUEST;
1048 arg = strtok_r(NULL, TDM_DELIM, &end);
1051 TDM_INFO("module debugging... '%s'", modules);
1053 return TDM_ERROR_NONE;
1057 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len)
1059 char temp[TDM_PATH_LEN] = {0,}, temp2[TDM_PATH_LEN] = {0,};
1064 snprintf(temp2, TDM_PATH_LEN, "%s", dump_str);
1065 path2 = strtostr(temp, TDM_PATH_LEN, temp2, "@");
1066 if (!path2 || path2[0] == '\0')
1067 path2 = TDM_DUMP_DIR;
1073 snprintf(temp, sizeof(temp), "%s", dump_str);
1074 arg = strtok_r(temp, ",", &end);
1075 TDM_GOTO_IF_FAIL(arg != NULL, done);
1077 if (!strncmp(arg, "none", 4)) {
1079 TDM_SNPRINTF(reply, len, "path: %s\n", (tdm_debug_dump_dir)?:"unknown");
1080 if (tdm_debug_dump_dir) {
1081 free(tdm_debug_dump_dir);
1082 tdm_debug_dump_dir = NULL;
1087 path = tdm_helper_dump_make_directory(path2, reply, len);
1088 TDM_GOTO_IF_FAIL(path != NULL, done);
1090 if (!strncmp(arg, "current", 7)) {
1091 tdm_private_output *o = NULL;
1092 if (!private_display) {
1093 TDM_WRN("no private_display");
1097 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1098 tdm_private_layer *l = NULL;
1099 LIST_FOR_EACH_ENTRY(l, &o->layer_list, link) {
1100 char str[TDM_PATH_LEN];
1101 if (l->usable || l->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)
1103 snprintf(str, TDM_PATH_LEN, "layer_%d_%d", o->index, l->index);
1104 tdm_helper_dump_buffer_str(l->showing_buffer, path, str);
1108 TDM_SNPRINTF(reply, len, "path: %s\n", path);
1112 TDM_SNPRINTF(reply, len, "dump: %s\n", arg);
1115 if (!strncmp(arg, "all", 3)) {
1116 tdm_debug_dump = 0xFFFFFFFF;
1118 } else if (!strncmp(arg, "layer", 5)) {
1119 tdm_debug_dump |= TDM_DUMP_FLAG_LAYER;
1120 } else if (!strncmp(arg, "pp", 2)) {
1121 tdm_debug_dump |= TDM_DUMP_FLAG_PP;
1122 } else if (!strncmp(arg, "capture", 7)) {
1123 tdm_debug_dump |= TDM_DUMP_FLAG_CAPTURE;
1127 arg = strtok_r(NULL, ",", &end);
1130 if (tdm_debug_dump_dir)
1131 free(tdm_debug_dump_dir);
1133 tdm_debug_dump_dir = strndup(path, TDM_PATH_LEN);
1135 TDM_INFO("dump... '%s'", dump_str);
1139 return TDM_ERROR_NONE;
1143 tdm_display_enable_path(const char *path)
1145 static int old_stdout = -1;
1146 char fd_name[TDM_PATH_LEN];
1150 if (old_stdout == -1)
1151 old_stdout = dup(STDOUT_FILENO);
1153 tdm_log_enable_dlog(0);
1155 snprintf(fd_name, TDM_PATH_LEN, "%s", path);
1157 log_fl = fopen(fd_name, "a");
1159 TDM_ERR("failed: open file(%s)\n", fd_name);
1160 return TDM_ERROR_OPERATION_FAILED;
1164 close(STDOUT_FILENO);
1166 setvbuf(log_fl, NULL, _IOLBF, 512);
1167 log_fd = fileno(log_fl);
1169 dup2(log_fd, STDOUT_FILENO);
1172 return TDM_ERROR_NONE;
1177 _tdm_display_ttrace_vblank_cb(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
1178 unsigned int tv_sec, unsigned int tv_usec, void *user_data)
1180 tdm_error ret = TDM_ERROR_NONE;
1182 TDM_TRACE_MARK(VBlank);
1184 ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1185 TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1189 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable)
1191 static tdm_vblank *vblank = NULL;
1192 tdm_error ret = TDM_ERROR_NONE;
1196 tdm_vblank_destroy(vblank);
1198 return TDM_ERROR_NONE;
1200 const tdm_output_mode *mode = NULL;
1203 return TDM_ERROR_NONE;
1205 vblank = tdm_vblank_create(dpy, output, &ret);
1206 TDM_RETURN_VAL_IF_FAIL(vblank != NULL, ret);
1208 ret = tdm_output_get_mode(output, &mode);
1209 TDM_GOTO_IF_FAIL(mode != NULL, enable_fail);
1211 ret = tdm_vblank_set_fps(vblank, mode->vrefresh);
1212 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1214 ret = tdm_vblank_set_enable_fake(vblank, 1);
1215 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1217 ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1218 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1221 return TDM_ERROR_NONE;
1225 tdm_vblank_destroy(vblank);