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,
80 tdm_private_output *private_output = NULL;
82 LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
83 if (private_output->stamp == stamp)
84 return private_output;
91 _tdm_display_destroy_caps_pp(tdm_caps_pp *caps_pp)
94 free(caps_pp->formats);
96 memset(caps_pp, 0, sizeof(tdm_caps_pp));
100 _tdm_display_destroy_caps_capture(tdm_caps_capture *caps_capture)
102 if (caps_capture->formats)
103 free(caps_capture->formats);
105 memset(caps_capture, 0, sizeof(tdm_caps_capture));
109 _tdm_display_destroy_caps_layer(tdm_caps_layer *caps_layer)
111 if (caps_layer->formats)
112 free(caps_layer->formats);
114 if (caps_layer->props)
115 free(caps_layer->props);
117 memset(caps_layer, 0, sizeof(tdm_caps_layer));
121 _tdm_display_destroy_caps_output(tdm_caps_output *caps_output)
123 if (caps_output->modes)
124 free(caps_output->modes);
126 if (caps_output->props)
127 free(caps_output->props);
129 memset(caps_output, 0, sizeof(tdm_caps_output));
133 _tdm_display_destroy_private_layer(tdm_private_layer *private_layer)
135 tdm_private_capture *c = NULL, *cc = NULL;
137 LIST_DEL(&private_layer->link);
139 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_layer->capture_list, link)
140 tdm_capture_destroy_internal(c);
142 _tdm_display_destroy_caps_layer(&private_layer->caps);
148 _tdm_display_destroy_private_output(tdm_private_output *private_output)
150 tdm_private_layer *l = NULL, *ll = NULL;
151 tdm_private_capture *c = NULL, *cc = NULL;
152 tdm_private_vblank_handler *v = NULL, *vv = NULL;
153 tdm_private_commit_handler *m = NULL, *mm = NULL;
154 tdm_private_change_handler *h = NULL, *hh = NULL;
156 LIST_DEL(&private_output->link);
158 free(private_output->layers_ptr);
160 LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link) {
165 LIST_FOR_EACH_ENTRY_SAFE(m, mm, &private_output->commit_handler_list, link) {
170 LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_main, link) {
175 LIST_FOR_EACH_ENTRY_SAFE(h, hh, &private_output->change_handler_list_sub, link) {
180 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_output->capture_list, link)
181 tdm_capture_destroy_internal(c);
183 LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
184 _tdm_display_destroy_private_layer(l);
186 _tdm_display_destroy_caps_output(&private_output->caps);
188 if (private_output->dpms_changed_timer)
189 tdm_event_loop_source_remove(private_output->dpms_changed_timer);
191 private_output->stamp = 0;
192 free(private_output);
196 _tdm_display_destroy_private_display(tdm_private_display *private_display)
198 tdm_private_output *o = NULL, *oo = NULL;
199 tdm_private_pp *p = NULL, *pp = NULL;
201 free(private_display->outputs_ptr);
202 if (private_display->outputs) {
203 free(private_display->outputs);
204 private_display->outputs = NULL;
207 LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_display->pp_list, link)
208 tdm_pp_destroy_internal(p);
210 LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_display->output_list, link)
211 _tdm_display_destroy_private_output(o);
213 _tdm_display_destroy_caps_pp(&private_display->caps_pp);
214 _tdm_display_destroy_caps_capture(&private_display->caps_capture);
216 private_display->capabilities = 0;
217 private_display->caps_display.max_layer_count = -1;
221 _tdm_display_update_caps_pp(tdm_private_display *private_display,
224 tdm_func_display *func_display = &private_display->func_display;
227 if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
228 return TDM_ERROR_NONE;
230 if (!func_display->display_get_pp_capability) {
231 TDM_ERR("no display_get_pp_capability()");
232 return TDM_ERROR_BAD_MODULE;
235 ret = func_display->display_get_pp_capability(private_display->bdata, caps);
236 if (ret != TDM_ERROR_NONE) {
237 TDM_ERR("display_get_pp_capability() failed");
238 return TDM_ERROR_BAD_MODULE;
241 return TDM_ERROR_NONE;
245 _tdm_display_update_caps_capture(tdm_private_display *private_display,
246 tdm_caps_capture *caps)
248 tdm_func_display *func_display = &private_display->func_display;
251 if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
252 return TDM_ERROR_NONE;
254 if (!func_display->display_get_capture_capability) {
255 TDM_ERR("no display_get_capture_capability()");
256 return TDM_ERROR_BAD_MODULE;
259 ret = func_display->display_get_capture_capability(private_display->bdata, caps);
260 if (ret != TDM_ERROR_NONE) {
261 TDM_ERR("display_get_capture_capability() failed");
262 return TDM_ERROR_BAD_MODULE;
265 return TDM_ERROR_NONE;
269 _tdm_display_update_caps_layer(tdm_private_display *private_display,
270 tdm_layer *layer_backend, tdm_caps_layer *caps)
272 tdm_func_layer *func_layer = &private_display->func_layer;
275 if (!func_layer->layer_get_capability) {
276 TDM_ERR("no layer_get_capability()");
277 return TDM_ERROR_BAD_MODULE;
280 ret = func_layer->layer_get_capability(layer_backend, caps);
281 if (ret != TDM_ERROR_NONE) {
282 TDM_ERR("layer_get_capability() failed");
283 return TDM_ERROR_BAD_MODULE;
286 return TDM_ERROR_NONE;
290 _tdm_display_update_caps_output(tdm_private_display *private_display, int pipe,
291 tdm_output *output_backend, tdm_caps_output *caps)
293 tdm_func_output *func_output = &private_display->func_output;
294 char temp[TDM_NAME_LEN];
297 if (!func_output->output_get_capability) {
298 TDM_ERR("no output_get_capability()");
299 return TDM_ERROR_BAD_MODULE;
302 ret = func_output->output_get_capability(output_backend, caps);
303 if (ret != TDM_ERROR_NONE) {
304 TDM_ERR("output_get_capability() failed");
305 return TDM_ERROR_BAD_MODULE;
308 /* FIXME: Use model for tdm client to distinguish amoung outputs */
309 snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
310 snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
312 return TDM_ERROR_NONE;
316 _tdm_display_update_layer(tdm_private_display *private_display,
317 tdm_private_output *private_output,
318 tdm_layer *layer_backend, int index)
320 tdm_private_layer *private_layer;
323 private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
324 if (!private_layer) {
325 private_layer = calloc(1, sizeof(tdm_private_layer));
326 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
328 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
329 private_layer->index = index;
330 private_layer->private_display = private_display;
331 private_layer->private_output = private_output;
332 private_layer->layer_backend = layer_backend;
334 LIST_INITHEAD(&private_layer->capture_list);
336 private_layer->usable = 1;
338 _tdm_display_destroy_caps_layer(&private_layer->caps);
340 ret = _tdm_display_update_caps_layer(private_display, layer_backend,
341 &private_layer->caps);
342 if (ret != TDM_ERROR_NONE)
345 return TDM_ERROR_NONE;
347 _tdm_display_destroy_private_layer(private_layer);
352 tdm_display_update_output(tdm_private_display *private_display,
353 tdm_output *output_backend, int pipe)
355 tdm_func_output *func_output = &private_display->func_output;
356 tdm_private_output *private_output = NULL;
357 tdm_layer **layers = NULL;
358 int layer_count = 0, i;
361 private_output = _tdm_display_find_private_output(private_display, output_backend);
362 if (!private_output) {
363 private_output = calloc(1, sizeof(tdm_private_output));
364 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
366 private_output->stamp = tdm_helper_get_time_in_millis();
367 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
368 private_output->stamp++;
370 LIST_ADDTAIL(&private_output->link, &private_display->output_list);
372 private_output->private_display = private_display;
373 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
374 private_output->output_backend = output_backend;
375 private_output->pipe = pipe;
376 private_output->index = pipe;
378 LIST_INITHEAD(&private_output->layer_list);
379 LIST_INITHEAD(&private_output->capture_list);
380 LIST_INITHEAD(&private_output->vblank_handler_list);
381 LIST_INITHEAD(&private_output->commit_handler_list);
382 LIST_INITHEAD(&private_output->change_handler_list_main);
383 LIST_INITHEAD(&private_output->change_handler_list_sub);
385 if (func_output->output_set_status_handler) {
386 func_output->output_set_status_handler(private_output->output_backend,
387 tdm_output_cb_status,
389 private_output->regist_change_cb = 1;
393 _tdm_display_destroy_caps_output(&private_output->caps);
395 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
396 &private_output->caps);
397 if (ret != TDM_ERROR_NONE)
400 layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
401 if (ret != TDM_ERROR_NONE)
404 for (i = 0; i < layer_count; i++) {
405 ret = _tdm_display_update_layer(private_display, private_output, layers[i], i);
406 if (ret != TDM_ERROR_NONE)
412 return TDM_ERROR_NONE;
414 _tdm_display_destroy_private_output(private_output);
420 _tdm_display_set_main_first(tdm_output **outputs, int index)
422 tdm_output *output_tmp = NULL;
427 output_tmp = outputs[0];
428 outputs[0] = outputs[index];
429 outputs[index] = output_tmp;
435 _tdm_display_get_ordered_outputs(tdm_private_display *private_display, int *count)
437 tdm_func_display *func_display = &private_display->func_display;
438 tdm_output **outputs = NULL;
439 tdm_output **new_outputs = NULL;
440 tdm_output *output_dsi = NULL;
441 tdm_output *output_lvds = NULL;
442 tdm_output *output_hdmia = NULL;
443 tdm_output *output_hdmib = NULL;
444 int i, output_count = 0, output_connected_count = 0;
445 int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
448 /* don't change list order if not init time */
449 if (private_display->outputs)
450 return private_display->outputs;
452 outputs = func_display->display_get_outputs(private_display->bdata, &output_count, &ret);
453 if (ret != TDM_ERROR_NONE)
454 goto failed_get_outputs;
456 *count = output_count;
458 if (output_count == 0)
459 goto failed_get_outputs;
460 else if (output_count == 1) {
461 private_display->outputs = outputs;
465 /* count connected outputs */
466 for (i = 0; i < output_count; i++) {
467 tdm_func_output *func_output = &private_display->func_output;
468 tdm_caps_output caps;
469 memset(&caps, 0, sizeof(tdm_caps_output));
471 if (!func_output->output_get_capability) {
472 TDM_ERR("no output_get_capability()");
473 goto failed_get_outputs;
476 ret = func_output->output_get_capability(outputs[i], &caps);
477 if (ret != TDM_ERROR_NONE) {
478 TDM_ERR("output_get_capability() failed");
479 goto failed_get_outputs;
482 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
483 output_connected_count++;
486 case TDM_OUTPUT_TYPE_DSI:
487 output_dsi = outputs[i];
490 case TDM_OUTPUT_TYPE_LVDS:
491 output_lvds = outputs[i];
494 case TDM_OUTPUT_TYPE_HDMIA:
495 output_hdmia = outputs[i];
498 case TDM_OUTPUT_TYPE_HDMIB:
499 output_hdmib = outputs[i];
508 /* ordering : main output is first */
509 /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
510 * But hdmi is possible, so set hdmi to main display.
511 * If connected only one output, it is main output.
512 * If connected outputs over 2, has priority like below.
513 * (dsi > lvds > hdmi > else)
515 if (output_connected_count == 0) {
516 /* hdmi > dsi > lvds > else */
517 if (output_hdmia != NULL)
518 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
519 else if (output_hdmib != NULL)
520 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
521 else if (output_dsi != NULL)
522 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
523 else if (output_lvds != NULL)
524 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
526 new_outputs = outputs;
527 } else { /* (output_connected_count > 1) */
528 /* dsi > lvds > hdmi > else */
529 if (output_dsi != NULL)
530 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
531 else if (output_lvds != NULL)
532 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
533 else if (output_hdmia != NULL)
534 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
535 else if (output_hdmib != NULL)
536 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
538 new_outputs = outputs;
541 private_display->outputs = new_outputs;
552 _tdm_display_update_internal(tdm_private_display *private_display,
555 tdm_output **outputs = NULL;
556 int output_count = 0, i;
557 tdm_error ret = TDM_ERROR_NONE;
559 LIST_INITHEAD(&private_display->output_list);
560 LIST_INITHEAD(&private_display->pp_list);
561 LIST_INITHEAD(&private_display->capture_list);
564 ret = _tdm_display_update_caps_pp(private_display, &private_display->caps_pp);
565 if (ret != TDM_ERROR_NONE)
568 ret = _tdm_display_update_caps_capture(private_display,
569 &private_display->caps_capture);
570 if (ret != TDM_ERROR_NONE)
574 outputs = _tdm_display_get_ordered_outputs(private_display, &output_count);
578 for (i = 0; i < output_count; i++) {
579 ret = tdm_display_update_output(private_display, outputs[i], i);
580 if (ret != TDM_ERROR_NONE)
584 return TDM_ERROR_NONE;
587 _tdm_display_destroy_private_display(private_display);
592 tdm_display_update(tdm_display *dpy)
594 tdm_private_display *private_display;
597 TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
599 private_display = dpy;
600 _pthread_mutex_lock(&private_display->lock);
602 ret = _tdm_display_update_internal(private_display, 1);
604 _pthread_mutex_unlock(&private_display->lock);
609 #define SUFFIX_MODULE ".so"
610 #define DEFAULT_MODULE "libtdm-default"SUFFIX_MODULE
612 int tdm_debug_module;
615 static tdm_private_display *g_private_display;
616 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
619 _tdm_display_check_module(tdm_backend_module *module)
623 TDM_INFO("TDM ABI version : %d.%d",
624 TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
627 TDM_ERR("TDM backend doesn't have name");
628 return TDM_ERROR_BAD_MODULE;
631 if (!module->vendor) {
632 TDM_ERR("TDM backend doesn't have vendor");
633 return TDM_ERROR_BAD_MODULE;
636 major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
637 minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
639 TDM_INFO("TDM module name: %s", module->name);
640 TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
641 TDM_INFO("'%s' version: %d.%d", module->name, major, minor);
643 if (major != TDM_MAJOR_VERSION) {
644 TDM_ERR("'%s' major version mismatch, %d != %d",
645 module->name, major, TDM_MAJOR_VERSION);
646 return TDM_ERROR_BAD_MODULE;
649 if (minor > TDM_MINOR_VERSION) {
650 TDM_ERR("'%s' minor version(%d) is newer than %d",
651 module->name, minor, TDM_MINOR_VERSION);
652 return TDM_ERROR_BAD_MODULE;
656 TDM_ERR("'%s' doesn't have init function", module->name);
657 return TDM_ERROR_BAD_MODULE;
660 if (!module->deinit) {
661 TDM_ERR("'%s' doesn't have deinit function", module->name);
662 return TDM_ERROR_BAD_MODULE;
665 return TDM_ERROR_NONE;
669 _tdm_display_check_backend_functions(tdm_private_display *private_display)
671 tdm_func_display *func_display = &private_display->func_display;
672 tdm_func_output *func_output = &private_display->func_output;
673 tdm_func_layer *func_layer = &private_display->func_layer;
676 /* below functions should be implemented in backend side */
678 TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
679 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capabilitiy, TDM_ERROR_BAD_MODULE);
680 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
681 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
682 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
683 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
685 ret = func_display->display_get_capabilitiy(private_display->bdata, &private_display->caps_display);
686 if (ret != TDM_ERROR_NONE) {
687 TDM_ERR("display_get_capabilitiy() failed");
688 return TDM_ERROR_BAD_MODULE;
691 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
692 tdm_func_pp *func_pp = &private_display->func_pp;
693 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
694 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
695 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
696 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
697 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
700 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
701 tdm_func_capture *func_capture = &private_display->func_capture;
702 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
703 TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
704 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
705 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
706 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
707 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
710 return TDM_ERROR_NONE;
714 _tdm_display_load_module_with_file(tdm_private_display *private_display,
717 char path[PATH_MAX] = {0,};
718 tdm_backend_module *module_data;
722 snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
724 TDM_TRACE_BEGIN(Load_Backend);
726 module = dlopen(path, RTLD_LAZY);
728 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
730 return TDM_ERROR_BAD_MODULE;
733 module_data = dlsym(module, "tdm_backend_module_data");
735 TDM_ERR("'%s' doesn't have data object", file);
736 ret = TDM_ERROR_BAD_MODULE;
741 private_display->module_data = module_data;
742 private_display->module = module;
744 /* check if version, init() and deinit() are valid or not */
745 ret = _tdm_display_check_module(module_data);
746 if (ret != TDM_ERROR_NONE)
751 /* We don't care if backend_data is NULL or not. It's up to backend. */
752 TDM_TRACE_BEGIN(Init_Backend);
753 private_display->bdata = module_data->init((tdm_display *)private_display, &ret);
755 if (ret != TDM_ERROR_NONE) {
756 TDM_ERR("'%s' init failed", file);
760 ret = _tdm_display_check_backend_functions(private_display);
761 if (ret != TDM_ERROR_NONE) {
762 module_data->deinit(private_display->bdata);
763 private_display->bdata = NULL;
767 TDM_INFO("Success to load module(%s)", file);
769 return TDM_ERROR_NONE;
772 private_display->module_data = NULL;
773 private_display->module = NULL;
778 _tdm_display_load_module(tdm_private_display *private_display)
780 const char *module_name;
781 struct dirent **namelist;
785 module_name = getenv("TDM_MODULE");
787 module_name = DEFAULT_MODULE;
789 /* load bufmgr priv from default lib */
790 ret = _tdm_display_load_module_with_file(private_display, module_name);
791 if (ret == TDM_ERROR_NONE)
792 return TDM_ERROR_NONE;
794 /* load bufmgr priv from configured path */
795 n = scandir(TDM_MODULE_PATH, &namelist, 0, alphasort);
797 TDM_ERR("no module in '%s'\n", TDM_MODULE_PATH);
798 return TDM_ERROR_BAD_MODULE;
801 ret = TDM_ERROR_BAD_MODULE;
803 if (ret < 0 && strstr(namelist[n]->d_name, SUFFIX_MODULE))
804 ret = _tdm_display_load_module_with_file(private_display, namelist[n]->d_name);
814 _tdm_display_unload_module(tdm_private_display *private_display)
816 if (private_display->module_data)
817 private_display->module_data->deinit(private_display->bdata);
818 if (private_display->module)
819 dlclose(private_display->module);
821 private_display->bdata = NULL;
822 private_display->module_data = NULL;
823 private_display->module = NULL;
827 tdm_display_init(tdm_error *error)
829 tdm_private_display *private_display = NULL;
833 _pthread_mutex_lock(&gLock);
835 if (g_private_display) {
836 g_private_display->init_count++;
837 _pthread_mutex_unlock(&gLock);
839 *error = TDM_ERROR_NONE;
840 return g_private_display;
843 debug = getenv("TDM_DEBUG_MODULE");
845 tdm_display_enable_debug_module(debug);
847 debug = getenv("TDM_DEBUG_DUMP");
849 tdm_display_enable_dump(debug);
851 debug = getenv("TDM_DEBUG_PATH");
853 tdm_display_enable_path(debug);
855 private_display = calloc(1, sizeof(tdm_private_display));
856 if (!private_display) {
857 ret = TDM_ERROR_OUT_OF_MEMORY;
858 TDM_ERR("'private_display != NULL' failed");
862 if (pthread_mutex_init(&private_display->lock, NULL)) {
863 ret = TDM_ERROR_OPERATION_FAILED;
864 TDM_ERR("mutex init failed: %m");
865 goto failed_mutex_init;
868 _pthread_mutex_lock(&private_display->lock);
870 ret = tdm_event_loop_init(private_display);
871 if (ret != TDM_ERROR_NONE)
874 ret = _tdm_display_load_module(private_display);
875 if (ret != TDM_ERROR_NONE)
879 int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
880 if (tdm_drm_fd >= 0) {
881 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
883 if (!private_display->bufmgr) {
884 TDM_ERR("tbm_bufmgr_init failed");
887 TDM_INFO("tbm_bufmgr_init successed");
892 TDM_TRACE_BEGIN(Update_Display);
893 ret = _tdm_display_update_internal(private_display, 0);
895 if (ret != TDM_ERROR_NONE)
898 tdm_event_loop_create_backend_source(private_display);
900 private_display->init_count = 1;
902 g_private_display = private_display;
905 *error = TDM_ERROR_NONE;
907 _pthread_mutex_unlock(&private_display->lock);
908 _pthread_mutex_unlock(&gLock);
910 return (tdm_display *)private_display;
913 _tdm_display_unload_module(private_display);
915 tdm_event_loop_deinit(private_display);
917 _pthread_mutex_unlock(&private_display->lock);
918 pthread_mutex_destroy(&private_display->lock);
920 free(private_display);
924 _pthread_mutex_unlock(&gLock);
929 tdm_display_deinit(tdm_display *dpy)
931 tdm_private_display *private_display = dpy;
933 if (!private_display)
936 _pthread_mutex_lock(&gLock);
938 private_display->init_count--;
939 if (private_display->init_count > 0) {
940 _pthread_mutex_unlock(&gLock);
944 /* dont move the position of lock/unlock. all resource should be protected
945 * during destroying. after tdm_event_loop_deinit, we don't worry about thread
946 * things because it's finalized.
948 _pthread_mutex_lock(&private_display->lock);
949 tdm_event_loop_deinit(private_display);
950 _pthread_mutex_unlock(&private_display->lock);
952 _tdm_display_destroy_private_display(private_display);
953 _tdm_display_unload_module(private_display);
956 if (private_display->bufmgr)
957 tbm_bufmgr_deinit(private_display->bufmgr);
960 tdm_helper_set_fd("TDM_DRM_MASTER_FD", -1);
962 pthread_mutex_destroy(&private_display->lock);
963 free(private_display);
964 g_private_display = NULL;
966 _pthread_mutex_unlock(&gLock);
972 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin)
974 tdm_backend_module *module = private_display->module_data;
976 if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
979 if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)
986 tdm_display_enable_debug_module(const char*modules)
988 char temp[TDM_PATH_LEN];
992 snprintf(temp, TDM_PATH_LEN, "%s", modules);
994 tdm_debug_module = 0;
996 arg = strtok_r(temp, TDM_DELIM, &end);
998 if (!strncmp(arg, "none", 4)) {
999 tdm_debug_module = 0;
1000 return TDM_ERROR_NONE;
1002 if (!strncmp(arg, "all", 3)) {
1003 tdm_debug_module = 0xFFFFFFFF;
1004 return TDM_ERROR_NONE;
1006 if (!strncmp(arg, "buffer", 6))
1007 tdm_debug_module |= TDM_DEBUG_BUFFER;
1008 else if (!strncmp(arg, "thread", 6))
1009 tdm_debug_module |= TDM_DEBUG_THREAD;
1010 else if (!strncmp(arg, "mutex", 5))
1011 tdm_debug_module |= TDM_DEBUG_MUTEX;
1012 else if (!strncmp(arg, "vblank", 6))
1013 tdm_debug_module |= TDM_DEBUG_VBLANK;
1015 return TDM_ERROR_BAD_REQUEST;
1017 arg = strtok_r(NULL, TDM_DELIM, &end);
1020 TDM_INFO("module debugging... '%s'", modules);
1022 return TDM_ERROR_NONE;
1026 tdm_display_enable_dump(const char *dump_str)
1034 snprintf(temp, sizeof(temp), "%s", dump_str);
1035 arg = strtok_r(temp, ",", &end);
1037 if (!strncmp(arg, "none", 4)) {
1039 return TDM_ERROR_NONE;
1041 if (!strncmp(arg, "all", 3)) {
1042 tdm_debug_dump = 0xFFFFFFFF;
1043 return TDM_ERROR_NONE;
1045 if (!strncmp(arg, "layer", 5))
1046 tdm_debug_dump |= TDM_DUMP_FLAG_LAYER;
1047 else if (!strncmp(arg, "pp", 2))
1048 tdm_debug_dump |= TDM_DUMP_FLAG_PP;
1049 else if (!strncmp(arg, "capture", 7))
1050 tdm_debug_dump |= TDM_DUMP_FLAG_CAPTURE;
1052 return TDM_ERROR_BAD_REQUEST;
1054 arg = strtok_r(NULL, ",", &end);
1057 TDM_INFO("dump... '%s'", dump_str);
1059 return TDM_ERROR_NONE;
1063 tdm_display_enable_path(const char *path)
1065 static int old_stdout = -1;
1066 char fd_name[TDM_PATH_LEN];
1070 if (old_stdout == -1)
1071 old_stdout = dup(STDOUT_FILENO);
1073 tdm_log_enable_dlog(0);
1075 snprintf(fd_name, TDM_PATH_LEN, "%s", path);
1077 log_fl = fopen(fd_name, "a");
1079 TDM_ERR("failed: open file(%s)\n", fd_name);
1080 return TDM_ERROR_OPERATION_FAILED;
1084 close(STDOUT_FILENO);
1086 setvbuf(log_fl, NULL, _IOLBF, 512);
1087 log_fd = fileno(log_fl);
1089 dup2(log_fd, STDOUT_FILENO);
1092 return TDM_ERROR_NONE;