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;
392 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
393 &private_output->caps);
394 if (ret != TDM_ERROR_NONE)
397 tdm_caps_output new_caps;
399 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
401 if (ret != TDM_ERROR_NONE)
404 /* FIXME: This is very ugly. need to fix after the TDM ABI is changed. */
405 if (private_output->caps.status != new_caps.status) {
406 _tdm_display_destroy_caps_output(&private_output->caps);
407 private_output->caps = new_caps;
408 private_output->current_mode = NULL;
410 tdm_output_mode *old_modes = private_output->caps.modes;
411 unsigned int old_mode_count = private_output->caps.mode_count;
413 free(new_caps.modes);
414 new_caps.modes = old_modes;
415 new_caps.mode_count = old_mode_count;
416 if (private_output->caps.props)
417 free(private_output->caps.props);
418 private_output->caps = new_caps;
422 layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
423 if (ret != TDM_ERROR_NONE)
426 for (i = 0; i < layer_count; i++) {
427 ret = _tdm_display_update_layer(private_display, private_output, layers[i], i);
428 if (ret != TDM_ERROR_NONE)
434 return TDM_ERROR_NONE;
436 _tdm_display_destroy_private_output(private_output);
442 _tdm_display_set_main_first(tdm_output **outputs, int index)
444 tdm_output *output_tmp = NULL;
449 output_tmp = outputs[0];
450 outputs[0] = outputs[index];
451 outputs[index] = output_tmp;
457 _tdm_display_get_ordered_outputs(tdm_private_display *private_display, int *count)
459 tdm_func_display *func_display = &private_display->func_display;
460 tdm_output **outputs = NULL;
461 tdm_output **new_outputs = NULL;
462 tdm_output *output_dsi = NULL;
463 tdm_output *output_lvds = NULL;
464 tdm_output *output_hdmia = NULL;
465 tdm_output *output_hdmib = NULL;
466 int i, output_count = 0, output_connected_count = 0;
467 int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
470 /* don't change list order if not init time */
471 if (private_display->outputs)
472 return private_display->outputs;
474 outputs = func_display->display_get_outputs(private_display->bdata, &output_count, &ret);
475 if (ret != TDM_ERROR_NONE)
476 goto failed_get_outputs;
478 *count = output_count;
480 if (output_count == 0)
481 goto failed_get_outputs;
482 else if (output_count == 1) {
483 private_display->outputs = outputs;
487 /* count connected outputs */
488 for (i = 0; i < output_count; i++) {
489 tdm_func_output *func_output = &private_display->func_output;
490 tdm_caps_output caps;
491 memset(&caps, 0, sizeof(tdm_caps_output));
493 if (!func_output->output_get_capability) {
494 TDM_ERR("no output_get_capability()");
495 goto failed_get_outputs;
498 ret = func_output->output_get_capability(outputs[i], &caps);
499 if (ret != TDM_ERROR_NONE) {
500 TDM_ERR("output_get_capability() failed");
501 goto failed_get_outputs;
504 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
505 output_connected_count++;
508 case TDM_OUTPUT_TYPE_DSI:
509 output_dsi = outputs[i];
512 case TDM_OUTPUT_TYPE_LVDS:
513 output_lvds = outputs[i];
516 case TDM_OUTPUT_TYPE_HDMIA:
517 output_hdmia = outputs[i];
520 case TDM_OUTPUT_TYPE_HDMIB:
521 output_hdmib = outputs[i];
529 _tdm_display_destroy_caps_output(&caps);
532 /* ordering : main output is first */
533 /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
534 * But hdmi is possible, so set hdmi to main display.
535 * If connected only one output, it is main output.
536 * If connected outputs over 2, has priority like below.
537 * (dsi > lvds > hdmi > else)
539 if (output_connected_count == 0) {
540 /* hdmi > dsi > lvds > else */
541 if (output_hdmia != NULL)
542 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
543 else if (output_hdmib != NULL)
544 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
545 else if (output_dsi != NULL)
546 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
547 else if (output_lvds != NULL)
548 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
550 new_outputs = outputs;
551 } else { /* (output_connected_count > 1) */
552 /* dsi > lvds > hdmi > else */
553 if (output_dsi != NULL)
554 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
555 else if (output_lvds != NULL)
556 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
557 else if (output_hdmia != NULL)
558 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
559 else if (output_hdmib != NULL)
560 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
562 new_outputs = outputs;
565 private_display->outputs = new_outputs;
576 _tdm_display_update_internal(tdm_private_display *private_display,
579 tdm_output **outputs = NULL;
580 int output_count = 0, i;
581 tdm_error ret = TDM_ERROR_NONE;
583 LIST_INITHEAD(&private_display->output_list);
584 LIST_INITHEAD(&private_display->pp_list);
585 LIST_INITHEAD(&private_display->capture_list);
588 ret = _tdm_display_update_caps_pp(private_display, &private_display->caps_pp);
589 if (ret != TDM_ERROR_NONE)
592 ret = _tdm_display_update_caps_capture(private_display,
593 &private_display->caps_capture);
594 if (ret != TDM_ERROR_NONE)
598 outputs = _tdm_display_get_ordered_outputs(private_display, &output_count);
602 for (i = 0; i < output_count; i++) {
603 ret = tdm_display_update_output(private_display, outputs[i], i);
604 if (ret != TDM_ERROR_NONE)
608 return TDM_ERROR_NONE;
611 _tdm_display_destroy_private_display(private_display);
616 tdm_display_update(tdm_display *dpy)
618 tdm_private_display *private_display;
621 TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
623 private_display = dpy;
624 _pthread_mutex_lock(&private_display->lock);
626 ret = _tdm_display_update_internal(private_display, 1);
628 _pthread_mutex_unlock(&private_display->lock);
633 #define SUFFIX_MODULE ".so"
634 #define DEFAULT_MODULE "libtdm-default"SUFFIX_MODULE
636 int tdm_debug_module;
639 static tdm_private_display *g_private_display;
640 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
643 _tdm_display_check_module(tdm_backend_module *module)
647 TDM_INFO("TDM ABI version : %d.%d",
648 TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
651 TDM_ERR("TDM backend doesn't have name");
652 return TDM_ERROR_BAD_MODULE;
655 if (!module->vendor) {
656 TDM_ERR("TDM backend doesn't have vendor");
657 return TDM_ERROR_BAD_MODULE;
660 major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
661 minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
663 TDM_INFO("TDM module name: %s", module->name);
664 TDM_INFO("'%s' vendor: %s", module->name, module->vendor);
665 TDM_INFO("'%s' version: %d.%d", module->name, major, minor);
667 if (major != TDM_MAJOR_VERSION) {
668 TDM_ERR("'%s' major version mismatch, %d != %d",
669 module->name, major, TDM_MAJOR_VERSION);
670 return TDM_ERROR_BAD_MODULE;
673 if (minor > TDM_MINOR_VERSION) {
674 TDM_ERR("'%s' minor version(%d) is newer than %d",
675 module->name, minor, TDM_MINOR_VERSION);
676 return TDM_ERROR_BAD_MODULE;
680 TDM_ERR("'%s' doesn't have init function", module->name);
681 return TDM_ERROR_BAD_MODULE;
684 if (!module->deinit) {
685 TDM_ERR("'%s' doesn't have deinit function", module->name);
686 return TDM_ERROR_BAD_MODULE;
689 return TDM_ERROR_NONE;
693 _tdm_display_check_backend_functions(tdm_private_display *private_display)
695 tdm_func_display *func_display = &private_display->func_display;
696 tdm_func_output *func_output = &private_display->func_output;
697 tdm_func_layer *func_layer = &private_display->func_layer;
700 /* below functions should be implemented in backend side */
702 TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
703 // TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capabilitiy, TDM_ERROR_BAD_MODULE);
704 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
705 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
706 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
707 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
709 if (func_display->display_get_capability)
710 ret = func_display->display_get_capability(private_display->bdata, &private_display->caps_display);
712 ret = func_display->display_get_capabilitiy(private_display->bdata, &private_display->caps_display);
713 if (ret != TDM_ERROR_NONE) {
714 TDM_ERR("display_get_capability() failed");
715 return TDM_ERROR_BAD_MODULE;
718 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
719 tdm_func_pp *func_pp = &private_display->func_pp;
720 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
721 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
722 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
723 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
724 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
727 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
728 tdm_func_capture *func_capture = &private_display->func_capture;
729 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
730 TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
731 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
732 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
733 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
734 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
737 return TDM_ERROR_NONE;
741 _tdm_display_load_module_with_file(tdm_private_display *private_display,
744 char path[PATH_MAX] = {0,};
745 tdm_backend_module *module_data;
749 snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
751 TDM_TRACE_BEGIN(Load_Backend);
753 module = dlopen(path, RTLD_LAZY);
755 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
757 return TDM_ERROR_BAD_MODULE;
760 module_data = dlsym(module, "tdm_backend_module_data");
762 TDM_ERR("'%s' doesn't have data object", file);
763 ret = TDM_ERROR_BAD_MODULE;
768 private_display->module_data = module_data;
769 private_display->module = module;
771 /* check if version, init() and deinit() are valid or not */
772 ret = _tdm_display_check_module(module_data);
773 if (ret != TDM_ERROR_NONE)
778 /* We don't care if backend_data is NULL or not. It's up to backend. */
779 TDM_TRACE_BEGIN(Init_Backend);
780 private_display->bdata = module_data->init((tdm_display *)private_display, &ret);
782 if (ret != TDM_ERROR_NONE) {
783 TDM_ERR("failed to init '%s' module", module_data->name);
787 ret = _tdm_display_check_backend_functions(private_display);
788 if (ret != TDM_ERROR_NONE) {
789 module_data->deinit(private_display->bdata);
790 private_display->bdata = NULL;
794 TDM_INFO("Success to load '%s' module", module_data->name);
796 return TDM_ERROR_NONE;
799 private_display->module_data = NULL;
800 private_display->module = NULL;
805 _tdm_display_load_module(tdm_private_display *private_display)
807 const char *module_name;
808 struct dirent **namelist;
812 module_name = getenv("TDM_MODULE");
814 module_name = DEFAULT_MODULE;
816 /* load bufmgr priv from default lib */
817 ret = _tdm_display_load_module_with_file(private_display, module_name);
818 if (ret == TDM_ERROR_NONE)
819 return TDM_ERROR_NONE;
821 /* load bufmgr priv from configured path */
822 n = scandir(TDM_MODULE_PATH, &namelist, 0, alphasort);
824 TDM_ERR("no module in '%s'\n", TDM_MODULE_PATH);
825 return TDM_ERROR_BAD_MODULE;
828 ret = TDM_ERROR_BAD_MODULE;
830 if (ret < 0 && strstr(namelist[n]->d_name, SUFFIX_MODULE))
831 ret = _tdm_display_load_module_with_file(private_display, namelist[n]->d_name);
841 _tdm_display_unload_module(tdm_private_display *private_display)
843 if (private_display->module_data)
844 private_display->module_data->deinit(private_display->bdata);
845 if (private_display->module)
846 dlclose(private_display->module);
848 private_display->bdata = NULL;
849 private_display->module_data = NULL;
850 private_display->module = NULL;
854 tdm_display_init(tdm_error *error)
856 tdm_private_display *private_display = NULL;
860 _pthread_mutex_lock(&gLock);
862 if (g_private_display) {
863 g_private_display->init_count++;
864 _pthread_mutex_unlock(&gLock);
866 *error = TDM_ERROR_NONE;
867 return g_private_display;
870 private_display = calloc(1, sizeof(tdm_private_display));
871 if (!private_display) {
872 ret = TDM_ERROR_OUT_OF_MEMORY;
873 TDM_ERR("'private_display != NULL' failed");
877 debug = getenv("TDM_DEBUG_MODULE");
879 tdm_display_enable_debug_module(debug);
881 debug = getenv("TDM_DEBUG_DUMP");
883 tdm_display_enable_dump(private_display, debug, NULL, NULL);
885 debug = getenv("TDM_DEBUG_PATH");
887 tdm_display_enable_path(debug);
889 if (pthread_mutex_init(&private_display->lock, NULL)) {
890 ret = TDM_ERROR_OPERATION_FAILED;
891 TDM_ERR("mutex init failed: %m");
892 goto failed_mutex_init;
895 _pthread_mutex_lock(&private_display->lock);
897 ret = tdm_event_loop_init(private_display);
898 if (ret != TDM_ERROR_NONE)
901 ret = _tdm_display_load_module(private_display);
902 if (ret != TDM_ERROR_NONE)
906 int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
907 if (tdm_drm_fd >= 0) {
908 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
910 if (!private_display->bufmgr) {
911 TDM_ERR("tbm_bufmgr_init failed");
914 TDM_INFO("tbm_bufmgr_init successed");
919 TDM_TRACE_BEGIN(Update_Display);
920 ret = _tdm_display_update_internal(private_display, 0);
922 if (ret != TDM_ERROR_NONE)
925 tdm_event_loop_create_backend_source(private_display);
927 private_display->init_count = 1;
929 g_private_display = private_display;
932 *error = TDM_ERROR_NONE;
934 _pthread_mutex_unlock(&private_display->lock);
935 _pthread_mutex_unlock(&gLock);
937 return (tdm_display *)private_display;
940 _tdm_display_unload_module(private_display);
942 tdm_event_loop_deinit(private_display);
944 _pthread_mutex_unlock(&private_display->lock);
945 pthread_mutex_destroy(&private_display->lock);
947 free(private_display);
951 _pthread_mutex_unlock(&gLock);
956 tdm_display_deinit(tdm_display *dpy)
958 tdm_private_display *private_display = dpy;
960 if (!private_display)
963 _pthread_mutex_lock(&gLock);
965 private_display->init_count--;
966 if (private_display->init_count > 0) {
967 _pthread_mutex_unlock(&gLock);
971 /* dont move the position of lock/unlock. all resource should be protected
972 * during destroying. after tdm_event_loop_deinit, we don't worry about thread
973 * things because it's finalized.
975 _pthread_mutex_lock(&private_display->lock);
976 tdm_event_loop_deinit(private_display);
977 _pthread_mutex_unlock(&private_display->lock);
979 _tdm_display_destroy_private_display(private_display);
980 _tdm_display_unload_module(private_display);
983 if (private_display->bufmgr)
984 tbm_bufmgr_deinit(private_display->bufmgr);
987 tdm_helper_set_fd("TDM_DRM_MASTER_FD", -1);
989 pthread_mutex_destroy(&private_display->lock);
990 free(private_display);
991 g_private_display = NULL;
993 if (tdm_debug_dump_dir) {
994 free(tdm_debug_dump_dir);
995 tdm_debug_dump_dir = NULL;
998 _pthread_mutex_unlock(&gLock);
1004 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin)
1006 tdm_backend_module *module = private_display->module_data;
1008 if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
1011 if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)
1018 tdm_display_enable_debug_module(const char*modules)
1020 char temp[TDM_PATH_LEN];
1024 snprintf(temp, TDM_PATH_LEN, "%s", modules);
1026 tdm_debug_module = 0;
1028 arg = strtok_r(temp, TDM_DELIM, &end);
1030 if (!strncmp(arg, "none", 4)) {
1031 tdm_debug_module = 0;
1032 return TDM_ERROR_NONE;
1034 if (!strncmp(arg, "all", 3)) {
1035 tdm_debug_module = 0xFFFFFFFF;
1036 return TDM_ERROR_NONE;
1038 if (!strncmp(arg, "buffer", 6))
1039 tdm_debug_module |= TDM_DEBUG_BUFFER;
1040 else if (!strncmp(arg, "thread", 6))
1041 tdm_debug_module |= TDM_DEBUG_THREAD;
1042 else if (!strncmp(arg, "mutex", 5))
1043 tdm_debug_module |= TDM_DEBUG_MUTEX;
1044 else if (!strncmp(arg, "vblank", 6))
1045 tdm_debug_module |= TDM_DEBUG_VBLANK;
1047 return TDM_ERROR_BAD_REQUEST;
1049 arg = strtok_r(NULL, TDM_DELIM, &end);
1052 TDM_INFO("module debugging... '%s'", modules);
1054 return TDM_ERROR_NONE;
1058 tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len)
1060 char temp[TDM_PATH_LEN] = {0,}, temp2[TDM_PATH_LEN] = {0,};
1065 snprintf(temp2, TDM_PATH_LEN, "%s", dump_str);
1066 path2 = strtostr(temp, TDM_PATH_LEN, temp2, "@");
1067 if (!path2 || path2[0] == '\0')
1068 path2 = TDM_DUMP_DIR;
1072 path = tdm_helper_dump_make_directory(path2, reply, len);
1073 TDM_GOTO_IF_FAIL(path != NULL, done);
1077 snprintf(temp, sizeof(temp), "%s", dump_str);
1078 arg = strtok_r(temp, ",", &end);
1079 TDM_GOTO_IF_FAIL(arg != NULL, done);
1081 if (!strncmp(arg, "none", 4)) {
1083 if (tdm_debug_dump_dir) {
1084 free(tdm_debug_dump_dir);
1085 tdm_debug_dump_dir = NULL;
1087 TDM_SNPRINTF(reply, len, "path: %s\n", path);
1091 if (!strncmp(arg, "current", 7)) {
1092 tdm_private_output *o = NULL;
1093 if (!private_display) {
1094 TDM_WRN("no private_display");
1098 LIST_FOR_EACH_ENTRY(o, &private_display->output_list, link) {
1099 tdm_private_layer *l = NULL;
1100 LIST_FOR_EACH_ENTRY(l, &o->layer_list, link) {
1101 char str[TDM_PATH_LEN];
1104 snprintf(str, TDM_PATH_LEN, "layer_%d_%d", o->index, l->index);
1105 tdm_helper_dump_buffer_str(l->showing_buffer, path, str);
1109 TDM_SNPRINTF(reply, len, "path: %s\n", path);
1113 TDM_SNPRINTF(reply, len, "dump: %s\n", arg);
1116 if (!strncmp(arg, "all", 3)) {
1117 tdm_debug_dump = 0xFFFFFFFF;
1119 } else if (!strncmp(arg, "layer", 5)) {
1120 tdm_debug_dump |= TDM_DUMP_FLAG_LAYER;
1121 } else if (!strncmp(arg, "pp", 2)) {
1122 tdm_debug_dump |= TDM_DUMP_FLAG_PP;
1123 } else if (!strncmp(arg, "capture", 7)) {
1124 tdm_debug_dump |= TDM_DUMP_FLAG_CAPTURE;
1128 arg = strtok_r(NULL, ",", &end);
1131 if (tdm_debug_dump_dir)
1132 free(tdm_debug_dump_dir);
1134 tdm_debug_dump_dir = strndup(path, TDM_PATH_LEN);
1136 TDM_INFO("dump... '%s'", dump_str);
1140 return TDM_ERROR_NONE;
1144 tdm_display_enable_path(const char *path)
1146 static int old_stdout = -1;
1147 char fd_name[TDM_PATH_LEN];
1151 if (old_stdout == -1)
1152 old_stdout = dup(STDOUT_FILENO);
1154 tdm_log_enable_dlog(0);
1156 snprintf(fd_name, TDM_PATH_LEN, "%s", path);
1158 log_fl = fopen(fd_name, "a");
1160 TDM_ERR("failed: open file(%s)\n", fd_name);
1161 return TDM_ERROR_OPERATION_FAILED;
1165 close(STDOUT_FILENO);
1167 setvbuf(log_fl, NULL, _IOLBF, 512);
1168 log_fd = fileno(log_fl);
1170 dup2(log_fd, STDOUT_FILENO);
1173 return TDM_ERROR_NONE;