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 if (func_display->display_get_capability)
686 ret = func_display->display_get_capability(private_display->bdata, &private_display->caps_display);
688 ret = func_display->display_get_capabilitiy(private_display->bdata, &private_display->caps_display);
689 if (ret != TDM_ERROR_NONE) {
690 TDM_ERR("display_get_capability() failed");
691 return TDM_ERROR_BAD_MODULE;
694 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
695 tdm_func_pp *func_pp = &private_display->func_pp;
696 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
697 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
698 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
699 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
700 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
703 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
704 tdm_func_capture *func_capture = &private_display->func_capture;
705 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
706 TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
707 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
708 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
709 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
710 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
713 return TDM_ERROR_NONE;
717 _tdm_display_load_module_with_file(tdm_private_display *private_display,
720 char path[PATH_MAX] = {0,};
721 tdm_backend_module *module_data;
725 snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
727 TDM_TRACE_BEGIN(Load_Backend);
729 module = dlopen(path, RTLD_LAZY);
731 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
733 return TDM_ERROR_BAD_MODULE;
736 module_data = dlsym(module, "tdm_backend_module_data");
738 TDM_ERR("'%s' doesn't have data object", file);
739 ret = TDM_ERROR_BAD_MODULE;
744 private_display->module_data = module_data;
745 private_display->module = module;
747 /* check if version, init() and deinit() are valid or not */
748 ret = _tdm_display_check_module(module_data);
749 if (ret != TDM_ERROR_NONE)
754 /* We don't care if backend_data is NULL or not. It's up to backend. */
755 TDM_TRACE_BEGIN(Init_Backend);
756 private_display->bdata = module_data->init((tdm_display *)private_display, &ret);
758 if (ret != TDM_ERROR_NONE) {
759 TDM_ERR("failed to init '%s' module", module_data->name);
763 ret = _tdm_display_check_backend_functions(private_display);
764 if (ret != TDM_ERROR_NONE) {
765 module_data->deinit(private_display->bdata);
766 private_display->bdata = NULL;
770 TDM_INFO("Success to load '%s' module", module_data->name);
772 return TDM_ERROR_NONE;
775 private_display->module_data = NULL;
776 private_display->module = NULL;
781 _tdm_display_load_module(tdm_private_display *private_display)
783 const char *module_name;
784 struct dirent **namelist;
788 module_name = getenv("TDM_MODULE");
790 module_name = DEFAULT_MODULE;
792 /* load bufmgr priv from default lib */
793 ret = _tdm_display_load_module_with_file(private_display, module_name);
794 if (ret == TDM_ERROR_NONE)
795 return TDM_ERROR_NONE;
797 /* load bufmgr priv from configured path */
798 n = scandir(TDM_MODULE_PATH, &namelist, 0, alphasort);
800 TDM_ERR("no module in '%s'\n", TDM_MODULE_PATH);
801 return TDM_ERROR_BAD_MODULE;
804 ret = TDM_ERROR_BAD_MODULE;
806 if (ret < 0 && strstr(namelist[n]->d_name, SUFFIX_MODULE))
807 ret = _tdm_display_load_module_with_file(private_display, namelist[n]->d_name);
817 _tdm_display_unload_module(tdm_private_display *private_display)
819 if (private_display->module_data)
820 private_display->module_data->deinit(private_display->bdata);
821 if (private_display->module)
822 dlclose(private_display->module);
824 private_display->bdata = NULL;
825 private_display->module_data = NULL;
826 private_display->module = NULL;
830 tdm_display_init(tdm_error *error)
832 tdm_private_display *private_display = NULL;
836 _pthread_mutex_lock(&gLock);
838 if (g_private_display) {
839 g_private_display->init_count++;
840 _pthread_mutex_unlock(&gLock);
842 *error = TDM_ERROR_NONE;
843 return g_private_display;
846 private_display = calloc(1, sizeof(tdm_private_display));
847 if (!private_display) {
848 ret = TDM_ERROR_OUT_OF_MEMORY;
849 TDM_ERR("'private_display != NULL' failed");
853 debug = getenv("TDM_DEBUG_MODULE");
855 tdm_display_enable_debug_module(debug);
857 debug = getenv("TDM_DEBUG_DUMP");
859 tdm_display_enable_dump(private_display, debug, NULL, NULL);
861 debug = getenv("TDM_DEBUG_PATH");
863 tdm_display_enable_path(debug);
865 if (pthread_mutex_init(&private_display->lock, NULL)) {
866 ret = TDM_ERROR_OPERATION_FAILED;
867 TDM_ERR("mutex init failed: %m");
868 goto failed_mutex_init;
871 _pthread_mutex_lock(&private_display->lock);
873 ret = tdm_event_loop_init(private_display);
874 if (ret != TDM_ERROR_NONE)
877 ret = _tdm_display_load_module(private_display);
878 if (ret != TDM_ERROR_NONE)
882 int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
883 if (tdm_drm_fd >= 0) {
884 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
886 if (!private_display->bufmgr) {
887 TDM_ERR("tbm_bufmgr_init failed");
890 TDM_INFO("tbm_bufmgr_init successed");
895 TDM_TRACE_BEGIN(Update_Display);
896 ret = _tdm_display_update_internal(private_display, 0);
898 if (ret != TDM_ERROR_NONE)
901 tdm_event_loop_create_backend_source(private_display);
903 private_display->init_count = 1;
905 g_private_display = private_display;
908 *error = TDM_ERROR_NONE;
910 _pthread_mutex_unlock(&private_display->lock);
911 _pthread_mutex_unlock(&gLock);
913 return (tdm_display *)private_display;
916 _tdm_display_unload_module(private_display);
918 tdm_event_loop_deinit(private_display);
920 _pthread_mutex_unlock(&private_display->lock);
921 pthread_mutex_destroy(&private_display->lock);
923 free(private_display);
927 _pthread_mutex_unlock(&gLock);
932 tdm_display_deinit(tdm_display *dpy)
934 tdm_private_display *private_display = dpy;
936 if (!private_display)
939 _pthread_mutex_lock(&gLock);
941 private_display->init_count--;
942 if (private_display->init_count > 0) {
943 _pthread_mutex_unlock(&gLock);
947 /* dont move the position of lock/unlock. all resource should be protected
948 * during destroying. after tdm_event_loop_deinit, we don't worry about thread
949 * things because it's finalized.
951 _pthread_mutex_lock(&private_display->lock);
952 tdm_event_loop_deinit(private_display);
953 _pthread_mutex_unlock(&private_display->lock);
955 _tdm_display_destroy_private_display(private_display);
956 _tdm_display_unload_module(private_display);
959 if (private_display->bufmgr)
960 tbm_bufmgr_deinit(private_display->bufmgr);
963 tdm_helper_set_fd("TDM_DRM_MASTER_FD", -1);
965 pthread_mutex_destroy(&private_display->lock);
966 free(private_display);
967 g_private_display = NULL;
969 if (tdm_debug_dump_dir) {
970 free(tdm_debug_dump_dir);
971 tdm_debug_dump_dir = NULL;
974 _pthread_mutex_unlock(&gLock);
980 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin)
982 tdm_backend_module *module = private_display->module_data;
984 if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
987 if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)
994 tdm_display_enable_debug_module(const char*modules)
996 char temp[TDM_PATH_LEN];
1000 snprintf(temp, TDM_PATH_LEN, "%s", modules);
1002 tdm_debug_module = 0;
1004 arg = strtok_r(temp, TDM_DELIM, &end);
1006 if (!strncmp(arg, "none", 4)) {
1007 tdm_debug_module = 0;
1008 return TDM_ERROR_NONE;
1010 if (!strncmp(arg, "all", 3)) {
1011 tdm_debug_module = 0xFFFFFFFF;
1012 return TDM_ERROR_NONE;
1014 if (!strncmp(arg, "buffer", 6))
1015 tdm_debug_module |= TDM_DEBUG_BUFFER;
1016 else if (!strncmp(arg, "thread", 6))
1017 tdm_debug_module |= TDM_DEBUG_THREAD;
1018 else if (!strncmp(arg, "mutex", 5))
1019 tdm_debug_module |= TDM_DEBUG_MUTEX;
1020 else if (!strncmp(arg, "vblank", 6))
1021 tdm_debug_module |= TDM_DEBUG_VBLANK;
1023 return TDM_ERROR_BAD_REQUEST;
1025 arg = strtok_r(NULL, TDM_DELIM, &end);
1028 TDM_INFO("module debugging... '%s'", modules);
1030 return TDM_ERROR_NONE;
1034 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len)
1036 char temp[TDM_PATH_LEN] = {0,}, temp2[TDM_PATH_LEN] = {0,};
1041 snprintf(temp2, TDM_PATH_LEN, "%s", dump_str);
1042 path2 = strtostr(temp, TDM_PATH_LEN, temp2, "@");
1043 if (!path2 || path2[0] == '\0')
1044 path2 = TDM_DUMP_DIR;
1048 path = tdm_helper_dump_make_directory(path2, reply, len);
1049 TDM_GOTO_IF_FAIL(path != NULL, done);
1053 snprintf(temp, sizeof(temp), "%s", dump_str);
1054 arg = strtok_r(temp, ",", &end);
1055 TDM_GOTO_IF_FAIL(arg != NULL, done);
1057 if (!strncmp(arg, "none", 4)) {
1059 if (tdm_debug_dump_dir) {
1060 free(tdm_debug_dump_dir);
1061 tdm_debug_dump_dir = NULL;
1063 TDM_SNPRINTF(reply, len, "path: %s\n", path);
1067 if (!strncmp(arg, "current", 7)) {
1068 tdm_private_output *o = NULL;
1069 if (!private_display) {
1070 TDM_WRN("no private_display");
1074 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1075 tdm_private_layer *l = NULL;
1076 LIST_FOR_EACH_ENTRY(l, &o->layer_list, link) {
1077 char str[TDM_PATH_LEN];
1080 snprintf(str, TDM_PATH_LEN, "layer_%d_%d", o->index, l->index);
1081 tdm_helper_dump_buffer_str(l->showing_buffer, path, str);
1085 TDM_SNPRINTF(reply, len, "path: %s\n", path);
1089 TDM_SNPRINTF(reply, len, "dump: %s\n", arg);
1092 if (!strncmp(arg, "all", 3)) {
1093 tdm_debug_dump = 0xFFFFFFFF;
1095 } else if (!strncmp(arg, "layer", 5)) {
1096 tdm_debug_dump |= TDM_DUMP_FLAG_LAYER;
1097 } else if (!strncmp(arg, "pp", 2)) {
1098 tdm_debug_dump |= TDM_DUMP_FLAG_PP;
1099 } else if (!strncmp(arg, "capture", 7)) {
1100 tdm_debug_dump |= TDM_DUMP_FLAG_CAPTURE;
1104 arg = strtok_r(NULL, ",", &end);
1107 if (tdm_debug_dump_dir)
1108 free(tdm_debug_dump_dir);
1110 tdm_debug_dump_dir = strndup(path, TDM_PATH_LEN);
1112 TDM_INFO("dump... '%s'", dump_str);
1116 return TDM_ERROR_NONE;
1120 tdm_display_enable_path(const char *path)
1122 static int old_stdout = -1;
1123 char fd_name[TDM_PATH_LEN];
1127 if (old_stdout == -1)
1128 old_stdout = dup(STDOUT_FILENO);
1130 tdm_log_enable_dlog(0);
1132 snprintf(fd_name, TDM_PATH_LEN, "%s", path);
1134 log_fl = fopen(fd_name, "a");
1136 TDM_ERR("failed: open file(%s)\n", fd_name);
1137 return TDM_ERROR_OPERATION_FAILED;
1141 close(STDOUT_FILENO);
1143 setvbuf(log_fl, NULL, _IOLBF, 512);
1144 log_fd = fileno(log_fl);
1146 dup2(log_fd, STDOUT_FILENO);
1149 return TDM_ERROR_NONE;