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 = 0;
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];
297 if (!func_output->output_get_capability) {
298 TDM_ERR("no output_get_capability()");
299 return TDM_ERROR_BAD_MODULE;
302 stamp = tdm_helper_get_time();
303 ret = func_output->output_get_capability(output_backend, caps);
304 TDM_DBG("backend output_get_capability() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
306 if (ret != TDM_ERROR_NONE) {
307 TDM_ERR("output_get_capability() failed");
308 return TDM_ERROR_BAD_MODULE;
311 /* FIXME: Use model for tdm client to distinguish amoung outputs */
312 snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
313 snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
315 return TDM_ERROR_NONE;
319 _tdm_display_update_layer(tdm_private_display *private_display,
320 tdm_private_output *private_output,
321 tdm_layer *layer_backend, int index)
323 tdm_private_layer *private_layer;
326 private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
327 if (!private_layer) {
328 private_layer = calloc(1, sizeof(tdm_private_layer));
329 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
331 LIST_ADDTAIL(&private_layer->link, &private_output->layer_list);
332 private_layer->index = index;
333 private_layer->private_display = private_display;
334 private_layer->private_output = private_output;
335 private_layer->layer_backend = layer_backend;
337 LIST_INITHEAD(&private_layer->capture_list);
339 private_layer->usable = 1;
341 _tdm_display_destroy_caps_layer(&private_layer->caps);
343 ret = _tdm_display_update_caps_layer(private_display, layer_backend,
344 &private_layer->caps);
345 if (ret != TDM_ERROR_NONE)
348 return TDM_ERROR_NONE;
350 _tdm_display_destroy_private_layer(private_layer);
355 tdm_display_update_output(tdm_private_display *private_display,
356 tdm_output *output_backend, int pipe)
358 tdm_func_output *func_output = &private_display->func_output;
359 tdm_private_output *private_output = NULL;
360 tdm_layer **layers = NULL;
361 int layer_count = 0, i;
364 private_output = _tdm_display_find_private_output(private_display, output_backend);
365 if (!private_output) {
366 private_output = calloc(1, sizeof(tdm_private_output));
367 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
369 private_output->stamp = tdm_helper_get_time();
370 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
371 private_output->stamp++;
373 LIST_ADDTAIL(&private_output->link, &private_display->output_list);
375 private_output->private_display = private_display;
376 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
377 private_output->output_backend = output_backend;
378 private_output->pipe = pipe;
379 private_output->index = pipe;
381 LIST_INITHEAD(&private_output->layer_list);
382 LIST_INITHEAD(&private_output->capture_list);
383 LIST_INITHEAD(&private_output->vblank_handler_list);
384 LIST_INITHEAD(&private_output->commit_handler_list);
385 LIST_INITHEAD(&private_output->change_handler_list_main);
386 LIST_INITHEAD(&private_output->change_handler_list_sub);
388 if (func_output->output_set_status_handler) {
389 func_output->output_set_status_handler(private_output->output_backend,
390 tdm_output_cb_status,
392 private_output->regist_change_cb = 1;
395 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
396 &private_output->caps);
397 if (ret != TDM_ERROR_NONE)
400 tdm_caps_output new_caps;
402 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
404 if (ret != TDM_ERROR_NONE)
407 /* FIXME: This is very ugly. need to fix after the TDM ABI is changed. */
408 if (private_output->caps.status != new_caps.status) {
409 _tdm_display_destroy_caps_output(&private_output->caps);
410 private_output->caps = new_caps;
411 private_output->current_mode = NULL;
413 tdm_output_mode *old_modes = private_output->caps.modes;
414 unsigned int old_mode_count = private_output->caps.mode_count;
416 free(new_caps.modes);
417 new_caps.modes = old_modes;
418 new_caps.mode_count = old_mode_count;
419 if (private_output->caps.props)
420 free(private_output->caps.props);
421 private_output->caps = new_caps;
425 layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
426 if (ret != TDM_ERROR_NONE)
429 for (i = 0; i < layer_count; i++) {
430 ret = _tdm_display_update_layer(private_display, private_output, layers[i], i);
431 if (ret != TDM_ERROR_NONE)
437 return TDM_ERROR_NONE;
439 _tdm_display_destroy_private_output(private_output);
445 _tdm_display_set_main_first(tdm_output **outputs, int index)
447 tdm_output *output_tmp = NULL;
452 output_tmp = outputs[0];
453 outputs[0] = outputs[index];
454 outputs[index] = output_tmp;
460 _tdm_display_get_ordered_outputs(tdm_private_display *private_display, int *count)
462 tdm_func_display *func_display = &private_display->func_display;
463 tdm_output **outputs = NULL;
464 tdm_output **new_outputs = NULL;
465 tdm_output *output_dsi = NULL;
466 tdm_output *output_lvds = NULL;
467 tdm_output *output_hdmia = NULL;
468 tdm_output *output_hdmib = NULL;
469 int i, output_count = 0, output_connected_count = 0;
470 int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
473 /* don't change list order if not init time */
474 if (private_display->outputs)
475 return private_display->outputs;
477 outputs = func_display->display_get_outputs(private_display->bdata, &output_count, &ret);
478 if (ret != TDM_ERROR_NONE)
479 goto failed_get_outputs;
481 *count = output_count;
483 if (output_count == 0)
484 goto failed_get_outputs;
485 else if (output_count == 1) {
486 private_display->outputs = outputs;
490 /* count connected outputs */
491 for (i = 0; i < output_count; i++) {
492 tdm_func_output *func_output = &private_display->func_output;
493 tdm_caps_output caps;
494 memset(&caps, 0, sizeof(tdm_caps_output));
496 if (!func_output->output_get_capability) {
497 TDM_ERR("no output_get_capability()");
498 goto failed_get_outputs;
501 ret = func_output->output_get_capability(outputs[i], &caps);
502 if (ret != TDM_ERROR_NONE) {
503 TDM_ERR("output_get_capability() failed");
504 goto failed_get_outputs;
507 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
508 output_connected_count++;
511 case TDM_OUTPUT_TYPE_DSI:
512 output_dsi = outputs[i];
515 case TDM_OUTPUT_TYPE_LVDS:
516 output_lvds = outputs[i];
519 case TDM_OUTPUT_TYPE_HDMIA:
520 output_hdmia = outputs[i];
523 case TDM_OUTPUT_TYPE_HDMIB:
524 output_hdmib = outputs[i];
532 _tdm_display_destroy_caps_output(&caps);
535 /* ordering : main output is first */
536 /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
537 * But hdmi is possible, so set hdmi to main display.
538 * If connected only one output, it is main output.
539 * If connected outputs over 2, has priority like below.
540 * (dsi > lvds > hdmi > else)
542 if (output_connected_count == 0) {
543 /* hdmi > dsi > lvds > else */
544 if (output_hdmia != NULL)
545 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
546 else if (output_hdmib != NULL)
547 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
548 else if (output_dsi != NULL)
549 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
550 else if (output_lvds != NULL)
551 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
553 new_outputs = outputs;
554 } else { /* (output_connected_count > 1) */
555 /* dsi > lvds > hdmi > else */
556 if (output_dsi != NULL)
557 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
558 else if (output_lvds != NULL)
559 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
560 else if (output_hdmia != NULL)
561 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
562 else if (output_hdmib != NULL)
563 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
565 new_outputs = outputs;
568 private_display->outputs = new_outputs;
579 _tdm_display_update_internal(tdm_private_display *private_display,
582 tdm_output **outputs = NULL;
583 int output_count = 0, i;
584 tdm_error ret = TDM_ERROR_NONE;
586 LIST_INITHEAD(&private_display->output_list);
587 LIST_INITHEAD(&private_display->pp_list);
588 LIST_INITHEAD(&private_display->capture_list);
591 ret = _tdm_display_update_caps_pp(private_display, &private_display->caps_pp);
592 if (ret != TDM_ERROR_NONE)
595 ret = _tdm_display_update_caps_capture(private_display,
596 &private_display->caps_capture);
597 if (ret != TDM_ERROR_NONE)
601 outputs = _tdm_display_get_ordered_outputs(private_display, &output_count);
605 for (i = 0; i < output_count; i++) {
606 ret = tdm_display_update_output(private_display, outputs[i], i);
607 if (ret != TDM_ERROR_NONE)
611 return TDM_ERROR_NONE;
614 _tdm_display_destroy_private_display(private_display);
619 tdm_display_update(tdm_display *dpy)
621 tdm_private_display *private_display;
624 TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
626 private_display = dpy;
627 _pthread_mutex_lock(&private_display->lock);
629 ret = _tdm_display_update_internal(private_display, 1);
631 _pthread_mutex_unlock(&private_display->lock);
636 #define SUFFIX_MODULE ".so"
637 #define DEFAULT_MODULE "libtdm-default"SUFFIX_MODULE
639 int tdm_debug_module;
642 static tdm_private_display *g_private_display;
643 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
646 _tdm_display_check_module(tdm_backend_module *module)
650 TDM_INFO("TDM ABI version : %d.%d",
651 TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
654 TDM_ERR("TDM backend doesn't have name");
655 return TDM_ERROR_BAD_MODULE;
658 if (!module->vendor) {
659 TDM_ERR("TDM backend doesn't have vendor");
660 return TDM_ERROR_BAD_MODULE;
663 major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
664 minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
666 TDM_INFO("TDM module name: %s", module->name);
667 TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
668 TDM_INFO("'%s' version: %d.%d", module->name, major, minor);
670 if (major != TDM_MAJOR_VERSION) {
671 TDM_ERR("'%s' major version mismatch, %d != %d",
672 module->name, major, TDM_MAJOR_VERSION);
673 return TDM_ERROR_BAD_MODULE;
676 if (minor > TDM_MINOR_VERSION) {
677 TDM_ERR("'%s' minor version(%d) is newer than %d",
678 module->name, minor, TDM_MINOR_VERSION);
679 return TDM_ERROR_BAD_MODULE;
683 TDM_ERR("'%s' doesn't have init function", module->name);
684 return TDM_ERROR_BAD_MODULE;
687 if (!module->deinit) {
688 TDM_ERR("'%s' doesn't have deinit function", module->name);
689 return TDM_ERROR_BAD_MODULE;
692 return TDM_ERROR_NONE;
696 _tdm_display_check_backend_functions(tdm_private_display *private_display)
698 tdm_func_display *func_display = &private_display->func_display;
699 tdm_func_output *func_output = &private_display->func_output;
700 tdm_func_layer *func_layer = &private_display->func_layer;
703 /* below functions should be implemented in backend side */
705 TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
706 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
707 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
708 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
709 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
711 ret = func_display->display_get_capability(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;
749 snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
751 stamp = tdm_helper_get_time();
752 TDM_TRACE_BEGIN(Load_Backend);
754 module = dlopen(path, RTLD_LAZY);
756 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
758 return TDM_ERROR_BAD_MODULE;
761 module_data = dlsym(module, "tdm_backend_module_data");
763 TDM_ERR("'%s' doesn't have data object", file);
764 ret = TDM_ERROR_BAD_MODULE;
769 TDM_DBG("dlopen, dlsym time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
771 private_display->module_data = module_data;
772 private_display->module = module;
774 /* check if version, init() and deinit() are valid or not */
775 ret = _tdm_display_check_module(module_data);
776 if (ret != TDM_ERROR_NONE)
781 /* We don't care if backend_data is NULL or not. It's up to backend. */
782 TDM_TRACE_BEGIN(Init_Backend);
783 stamp = tdm_helper_get_time();
784 private_display->bdata = module_data->init((tdm_display *)private_display, &ret);
785 TDM_DBG("backend init() time: %.3f ms", (tdm_helper_get_time() - stamp) * 1000.0);
788 if (ret != TDM_ERROR_NONE) {
789 TDM_ERR("failed to init '%s' module", module_data->name);
793 ret = _tdm_display_check_backend_functions(private_display);
794 if (ret != TDM_ERROR_NONE) {
795 module_data->deinit(private_display->bdata);
796 private_display->bdata = NULL;
800 TDM_INFO("Success to load '%s' module", module_data->name);
802 return TDM_ERROR_NONE;
805 private_display->module_data = NULL;
806 private_display->module = NULL;
811 _tdm_display_load_module(tdm_private_display *private_display)
813 const char *module_name;
814 struct dirent **namelist;
818 module_name = getenv("TDM_MODULE");
820 module_name = DEFAULT_MODULE;
822 /* load bufmgr priv from default lib */
823 ret = _tdm_display_load_module_with_file(private_display, module_name);
824 if (ret == TDM_ERROR_NONE)
825 return TDM_ERROR_NONE;
827 /* load bufmgr priv from configured path */
828 n = scandir(TDM_MODULE_PATH, &namelist, 0, alphasort);
830 TDM_ERR("no module in '%s'\n", TDM_MODULE_PATH);
831 return TDM_ERROR_BAD_MODULE;
834 ret = TDM_ERROR_BAD_MODULE;
836 if (ret < 0 && strstr(namelist[n]->d_name, SUFFIX_MODULE))
837 ret = _tdm_display_load_module_with_file(private_display, namelist[n]->d_name);
847 _tdm_display_unload_module(tdm_private_display *private_display)
849 if (private_display->module_data)
850 private_display->module_data->deinit(private_display->bdata);
851 if (private_display->module)
852 dlclose(private_display->module);
854 private_display->bdata = NULL;
855 private_display->module_data = NULL;
856 private_display->module = NULL;
860 tdm_display_init(tdm_error *error)
862 tdm_private_display *private_display = NULL;
865 double stamp1, stamp2, start;
867 _pthread_mutex_lock(&gLock);
869 if (g_private_display) {
870 g_private_display->init_count++;
871 _pthread_mutex_unlock(&gLock);
873 *error = TDM_ERROR_NONE;
874 return g_private_display;
877 start = stamp1 = tdm_helper_get_time();
879 private_display = calloc(1, sizeof(tdm_private_display));
880 if (!private_display) {
881 ret = TDM_ERROR_OUT_OF_MEMORY;
882 TDM_ERR("'private_display != NULL' failed");
886 debug = getenv("TDM_DEBUG_MODULE");
888 tdm_display_enable_debug_module(debug);
890 debug = getenv("TDM_DEBUG_DUMP");
892 tdm_display_enable_dump(private_display, debug, NULL, NULL);
894 debug = getenv("TDM_DEBUG_PATH");
896 tdm_display_enable_path(debug);
898 if (pthread_mutex_init(&private_display->lock, NULL)) {
899 ret = TDM_ERROR_OPERATION_FAILED;
900 TDM_ERR("mutex init failed: %m");
901 goto failed_mutex_init;
904 _pthread_mutex_lock(&private_display->lock);
906 stamp2 = tdm_helper_get_time();
907 TDM_DBG("prepare init time: %.3f ms", (stamp2 - stamp1) * 1000.0);
910 ret = tdm_event_loop_init(private_display);
911 if (ret != TDM_ERROR_NONE)
914 stamp2 = tdm_helper_get_time();
915 TDM_DBG("creating event loop time: %.3f ms", (stamp2 - stamp1) * 1000.0);
918 ret = _tdm_display_load_module(private_display);
919 if (ret != TDM_ERROR_NONE)
922 stamp2 = tdm_helper_get_time();
923 TDM_DBG("loading backend time: %.3f ms", (stamp2 - stamp1) * 1000.0);
927 int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
928 if (tdm_drm_fd >= 0) {
929 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
931 if (!private_display->bufmgr) {
932 TDM_ERR("tbm_bufmgr_init failed");
935 TDM_INFO("tbm_bufmgr_init successed");
938 stamp2 = tdm_helper_get_time();
939 TDM_DBG("initializing bufmgr time: %.3f ms", (stamp2 - stamp1) * 1000.0);
944 TDM_TRACE_BEGIN(Update_Display);
945 ret = _tdm_display_update_internal(private_display, 0);
947 if (ret != TDM_ERROR_NONE)
950 stamp2 = tdm_helper_get_time();
951 TDM_DBG("updating display time: %.3f ms", (stamp2 - stamp1) * 1000.0);
954 tdm_event_loop_create_backend_source(private_display);
956 private_display->init_count = 1;
958 g_private_display = private_display;
961 *error = TDM_ERROR_NONE;
963 _pthread_mutex_unlock(&private_display->lock);
964 _pthread_mutex_unlock(&gLock);
966 TDM_INFO("init time: %.3f ms", (tdm_helper_get_time() - start) * 1000.0);
968 return (tdm_display *)private_display;
971 _tdm_display_unload_module(private_display);
973 tdm_event_loop_deinit(private_display);
975 _pthread_mutex_unlock(&private_display->lock);
976 pthread_mutex_destroy(&private_display->lock);
978 free(private_display);
982 _pthread_mutex_unlock(&gLock);
987 tdm_display_deinit(tdm_display *dpy)
989 tdm_private_display *private_display = dpy;
991 if (!private_display)
994 _pthread_mutex_lock(&gLock);
996 private_display->init_count--;
997 if (private_display->init_count > 0) {
998 _pthread_mutex_unlock(&gLock);
1002 /* dont move the position of lock/unlock. all resource should be protected
1003 * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1004 * things because it's finalized.
1006 _pthread_mutex_lock(&private_display->lock);
1007 tdm_event_loop_deinit(private_display);
1008 _pthread_mutex_unlock(&private_display->lock);
1010 _tdm_display_destroy_private_display(private_display);
1011 _tdm_display_unload_module(private_display);
1014 if (private_display->bufmgr)
1015 tbm_bufmgr_deinit(private_display->bufmgr);
1018 tdm_helper_set_fd("TDM_DRM_MASTER_FD", -1);
1020 pthread_mutex_destroy(&private_display->lock);
1021 free(private_display);
1022 g_private_display = NULL;
1024 if (tdm_debug_dump_dir) {
1025 free(tdm_debug_dump_dir);
1026 tdm_debug_dump_dir = NULL;
1029 _pthread_mutex_unlock(&gLock);
1035 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin)
1037 tdm_backend_module *module = private_display->module_data;
1039 if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
1042 if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)
1049 tdm_display_enable_debug_module(const char*modules)
1051 char temp[TDM_PATH_LEN];
1055 snprintf(temp, TDM_PATH_LEN, "%s", modules);
1057 tdm_debug_module = 0;
1059 arg = strtok_r(temp, TDM_DELIM, &end);
1061 if (!strncmp(arg, "none", 4)) {
1062 tdm_debug_module = 0;
1063 return TDM_ERROR_NONE;
1065 if (!strncmp(arg, "all", 3)) {
1066 tdm_debug_module = 0xFFFFFFFF;
1067 return TDM_ERROR_NONE;
1069 if (!strncmp(arg, "buffer", 6))
1070 tdm_debug_module |= TDM_DEBUG_BUFFER;
1071 else if (!strncmp(arg, "thread", 6))
1072 tdm_debug_module |= TDM_DEBUG_THREAD;
1073 else if (!strncmp(arg, "mutex", 5))
1074 tdm_debug_module |= TDM_DEBUG_MUTEX;
1075 else if (!strncmp(arg, "vblank", 6))
1076 tdm_debug_module |= TDM_DEBUG_VBLANK;
1078 return TDM_ERROR_BAD_REQUEST;
1080 arg = strtok_r(NULL, TDM_DELIM, &end);
1083 TDM_INFO("module debugging... '%s'", modules);
1085 return TDM_ERROR_NONE;
1089 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len)
1091 char temp[TDM_PATH_LEN] = {0,}, temp2[TDM_PATH_LEN] = {0,};
1092 char *path = NULL, *path2;
1096 snprintf(temp2, TDM_PATH_LEN, "%s", dump_str);
1097 path2 = strtostr(temp, TDM_PATH_LEN, temp2, "@");
1098 if (!path2 || path2[0] == '\0')
1099 path2 = TDM_DUMP_DIR;
1105 snprintf(temp, sizeof(temp), "%s", dump_str);
1106 arg = strtok_r(temp, ",", &end);
1107 TDM_GOTO_IF_FAIL(arg != NULL, done);
1109 if (!strncmp(arg, "none", 4)) {
1111 TDM_SNPRINTF(reply, len, "path: %s\n", (tdm_debug_dump_dir)?:"unknown");
1112 if (tdm_debug_dump_dir) {
1113 free(tdm_debug_dump_dir);
1114 tdm_debug_dump_dir = NULL;
1119 path = tdm_helper_dump_make_directory(path2, reply, len);
1120 TDM_GOTO_IF_FAIL(path != NULL, done);
1122 if (!strncmp(arg, "current", 7)) {
1123 tdm_private_output *o = NULL;
1124 if (!private_display) {
1125 TDM_WRN("no private_display");
1129 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1130 tdm_private_layer *l = NULL;
1131 LIST_FOR_EACH_ENTRY(l, &o->layer_list, link) {
1132 char str[TDM_PATH_LEN];
1133 if (l->usable || l->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)
1135 snprintf(str, TDM_PATH_LEN, "layer_%d_%d", o->index, l->index);
1136 tdm_helper_dump_buffer_str(l->showing_buffer, path, str);
1140 TDM_SNPRINTF(reply, len, "path: %s\n", path);
1144 TDM_SNPRINTF(reply, len, "dump: %s\n", arg);
1147 if (!strncmp(arg, "all", 3)) {
1148 tdm_debug_dump = 0xFFFFFFFF;
1150 } else if (!strncmp(arg, "layer", 5)) {
1151 tdm_debug_dump |= TDM_DUMP_FLAG_LAYER;
1152 } else if (!strncmp(arg, "pp", 2)) {
1153 tdm_debug_dump |= TDM_DUMP_FLAG_PP;
1154 } else if (!strncmp(arg, "capture", 7)) {
1155 tdm_debug_dump |= TDM_DUMP_FLAG_CAPTURE;
1159 arg = strtok_r(NULL, ",", &end);
1162 if (tdm_debug_dump_dir)
1163 free(tdm_debug_dump_dir);
1165 tdm_debug_dump_dir = strndup(path, TDM_PATH_LEN);
1167 TDM_INFO("dump... '%s'", dump_str);
1173 return TDM_ERROR_NONE;
1177 tdm_display_enable_path(const char *path)
1179 static int old_stdout = -1;
1180 char fd_name[TDM_PATH_LEN];
1184 if (old_stdout == -1)
1185 old_stdout = dup(STDOUT_FILENO);
1187 tdm_log_enable_dlog(0);
1189 snprintf(fd_name, TDM_PATH_LEN, "%s", path);
1191 log_fl = fopen(fd_name, "a");
1193 TDM_ERR("failed: open file(%s)\n", fd_name);
1194 return TDM_ERROR_OPERATION_FAILED;
1198 close(STDOUT_FILENO);
1200 setvbuf(log_fl, NULL, _IOLBF, 512);
1201 log_fd = fileno(log_fl);
1203 dup2(log_fd, STDOUT_FILENO);
1206 return TDM_ERROR_NONE;
1211 _tdm_display_ttrace_vblank_cb(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
1212 unsigned int tv_sec, unsigned int tv_usec, void *user_data)
1214 tdm_error ret = TDM_ERROR_NONE;
1216 TDM_TRACE_MARK(VBlank);
1218 ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1219 TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
1223 tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable)
1225 static tdm_vblank *vblank = NULL;
1226 tdm_error ret = TDM_ERROR_NONE;
1230 tdm_vblank_destroy(vblank);
1232 return TDM_ERROR_NONE;
1234 const tdm_output_mode *mode = NULL;
1237 return TDM_ERROR_NONE;
1239 vblank = tdm_vblank_create(dpy, output, &ret);
1240 TDM_RETURN_VAL_IF_FAIL(vblank != NULL, ret);
1242 ret = tdm_output_get_mode(output, &mode);
1243 TDM_GOTO_IF_FAIL(mode != NULL, enable_fail);
1245 ret = tdm_vblank_set_fps(vblank, mode->vrefresh);
1246 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1248 ret = tdm_vblank_set_enable_fake(vblank, 1);
1249 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1251 ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
1252 TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
1255 return TDM_ERROR_NONE;
1259 tdm_vblank_destroy(vblank);