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;
226 int bufsize = sizeof(buf);
228 int *len_buf = &bufsize;
232 if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
233 return TDM_ERROR_NONE;
235 if (!func_display->display_get_pp_capability) {
236 TDM_ERR("no display_get_pp_capability()");
237 return TDM_ERROR_BAD_MODULE;
240 ret = func_display->display_get_pp_capability(private_display->bdata, caps);
241 if (ret != TDM_ERROR_NONE) {
242 TDM_ERR("display_get_pp_capability() failed");
243 return TDM_ERROR_BAD_MODULE;
246 TDM_DBG("pp capabilities: %x", caps->capabilities);
248 for (i = 0; i < caps->format_count; i++)
249 TDM_SNPRINTF(str_buf, len_buf, "%c%c%c%c ", FOURCC_STR(caps->formats[i]));
250 TDM_DBG("pp formats: %s", buf);
251 TDM_DBG("pp min : %dx%d", caps->min_w, caps->min_h);
252 TDM_DBG("pp max : %dx%d", caps->max_w, caps->max_h);
253 TDM_DBG("pp align: %d", caps->preferred_align);
255 return TDM_ERROR_NONE;
259 _tdm_display_update_caps_capture(tdm_private_display *private_display,
260 tdm_caps_capture *caps)
262 tdm_func_display *func_display = &private_display->func_display;
264 int bufsize = sizeof(buf);
266 int *len_buf = &bufsize;
270 if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
271 return TDM_ERROR_NONE;
273 if (!func_display->display_get_capture_capability) {
274 TDM_ERR("no display_get_capture_capability()");
275 return TDM_ERROR_BAD_MODULE;
278 ret = func_display->display_get_capture_capability(private_display->bdata, caps);
279 if (ret != TDM_ERROR_NONE) {
280 TDM_ERR("display_get_capture_capability() failed");
281 return TDM_ERROR_BAD_MODULE;
285 for (i = 0; i < caps->format_count; i++)
286 TDM_SNPRINTF(str_buf, len_buf, "%c%c%c%c ", FOURCC_STR(caps->formats[i]));
287 TDM_DBG("capture formats: %s", buf);
289 return TDM_ERROR_NONE;
293 _tdm_display_update_caps_layer(tdm_private_display *private_display,
294 tdm_layer *layer_backend, tdm_caps_layer *caps)
296 tdm_func_layer *func_layer = &private_display->func_layer;
298 int bufsize = sizeof(buf);
300 int *len_buf = &bufsize;
304 if (!func_layer->layer_get_capability) {
305 TDM_ERR("no layer_get_capability()");
306 return TDM_ERROR_BAD_MODULE;
309 ret = func_layer->layer_get_capability(layer_backend, caps);
310 if (ret != TDM_ERROR_NONE) {
311 TDM_ERR("layer_get_capability() failed");
312 return TDM_ERROR_BAD_MODULE;
315 TDM_DBG("layer capabilities: %x", caps->capabilities);
316 TDM_DBG("layer zpos : %d", caps->zpos);
318 for (i = 0; i < caps->format_count; i++)
319 TDM_SNPRINTF(str_buf, len_buf, "%c%c%c%c ", FOURCC_STR(caps->formats[i]));
320 TDM_DBG("layer formats: %s", buf);
321 for (i = 0; i < caps->prop_count; i++)
322 TDM_DBG("layer props: %d, %s", caps->props[i].id, caps->props[i].name);
324 return TDM_ERROR_NONE;
328 _tdm_display_update_caps_output(tdm_private_display *private_display, int pipe,
329 tdm_output *output_backend, tdm_caps_output *caps)
331 tdm_func_output *func_output = &private_display->func_output;
332 char temp[TDM_NAME_LEN];
336 if (!func_output->output_get_capability) {
337 TDM_ERR("no output_get_capability()");
338 return TDM_ERROR_BAD_MODULE;
341 ret = func_output->output_get_capability(output_backend, caps);
342 if (ret != TDM_ERROR_NONE) {
343 TDM_ERR("output_get_capability() failed");
344 return TDM_ERROR_BAD_MODULE;
347 /* FIXME: Use model for tdm client to distinguish amoung outputs */
348 snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
349 snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
351 TDM_DBG("output maker: %s", caps->maker);
352 TDM_DBG("output model: %s", caps->model);
353 TDM_DBG("output name: %s", caps->name);
354 TDM_DBG("output status: %d", caps->status);
355 TDM_DBG("output type : %d", caps->type);
356 for (i = 0; i < caps->prop_count; i++)
357 TDM_DBG("output props: %d, %s", caps->props[i].id, caps->props[i].name);
358 for (i = 0; i < caps->mode_count; i++) {
359 TDM_DBG("output modes: name(%s), clock(%d) vrefresh(%d), flags(%x), type(%d)",
360 caps->modes[i].name, caps->modes[i].clock, caps->modes[i].vrefresh,
361 caps->modes[i].flags, caps->modes[i].type);
362 TDM_DBG("\t\t %d, %d, %d, %d, %d",
363 caps->modes[i].hdisplay, caps->modes[i].hsync_start, caps->modes[i].hsync_end,
364 caps->modes[i].htotal, caps->modes[i].hskew);
365 TDM_DBG("\t\t %d, %d, %d, %d, %d",
366 caps->modes[i].vdisplay, caps->modes[i].vsync_start, caps->modes[i].vsync_end,
367 caps->modes[i].vtotal, caps->modes[i].vscan);
369 TDM_DBG("output min : %dx%d", caps->min_w, caps->min_h);
370 TDM_DBG("output max : %dx%d", caps->max_w, caps->max_h);
371 TDM_DBG("output align: %d", caps->preferred_align);
373 return TDM_ERROR_NONE;
377 _tdm_display_update_layer(tdm_private_display *private_display,
378 tdm_private_output *private_output,
379 tdm_layer *layer_backend)
381 tdm_private_layer *private_layer;
384 private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
385 if (!private_layer) {
386 private_layer = calloc(1, sizeof(tdm_private_layer));
387 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
389 LIST_ADD(&private_layer->link, &private_output->layer_list);
390 private_layer->private_display = private_display;
391 private_layer->private_output = private_output;
392 private_layer->layer_backend = layer_backend;
394 LIST_INITHEAD(&private_layer->capture_list);
396 private_layer->usable = 1;
398 _tdm_display_destroy_caps_layer(&private_layer->caps);
400 ret = _tdm_display_update_caps_layer(private_display, layer_backend,
401 &private_layer->caps);
402 if (ret != TDM_ERROR_NONE)
405 return TDM_ERROR_NONE;
407 _tdm_display_destroy_private_layer(private_layer);
412 tdm_display_update_output(tdm_private_display *private_display,
413 tdm_output *output_backend, int pipe)
415 tdm_func_output *func_output = &private_display->func_output;
416 tdm_private_output *private_output = NULL;
417 tdm_layer **layers = NULL;
418 int layer_count = 0, i;
421 private_output = _tdm_display_find_private_output(private_display, output_backend);
422 if (!private_output) {
423 private_output = calloc(1, sizeof(tdm_private_output));
424 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
426 private_output->stamp = tdm_helper_get_time_in_millis();
427 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
428 private_output->stamp++;
430 LIST_ADDTAIL(&private_output->link, &private_display->output_list);
432 private_output->private_display = private_display;
433 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
434 private_output->output_backend = output_backend;
435 private_output->pipe = pipe;
437 LIST_INITHEAD(&private_output->layer_list);
438 LIST_INITHEAD(&private_output->capture_list);
439 LIST_INITHEAD(&private_output->vblank_handler_list);
440 LIST_INITHEAD(&private_output->commit_handler_list);
441 LIST_INITHEAD(&private_output->change_handler_list_main);
442 LIST_INITHEAD(&private_output->change_handler_list_sub);
444 if (func_output->output_set_status_handler) {
445 func_output->output_set_status_handler(private_output->output_backend,
446 tdm_output_cb_status,
448 private_output->regist_change_cb = 1;
452 _tdm_display_destroy_caps_output(&private_output->caps);
454 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
455 &private_output->caps);
456 if (ret != TDM_ERROR_NONE)
459 layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
460 if (ret != TDM_ERROR_NONE)
463 for (i = 0; i < layer_count; i++) {
464 ret = _tdm_display_update_layer(private_display, private_output, layers[i]);
465 if (ret != TDM_ERROR_NONE)
471 return TDM_ERROR_NONE;
473 _tdm_display_destroy_private_output(private_output);
479 _tdm_display_set_main_first(tdm_output **outputs, int index)
481 tdm_output *output_tmp = NULL;
486 output_tmp = outputs[0];
487 outputs[0] = outputs[index];
488 outputs[index] = output_tmp;
494 _tdm_display_get_ordered_outputs(tdm_private_display *private_display, int *count)
496 tdm_func_display *func_display = &private_display->func_display;
497 tdm_output **outputs = NULL;
498 tdm_output **new_outputs = NULL;
499 tdm_output *output_dsi = NULL;
500 tdm_output *output_lvds = NULL;
501 tdm_output *output_hdmia = NULL;
502 tdm_output *output_hdmib = NULL;
503 int i, output_count = 0, output_connected_count = 0;
504 int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
507 /* don't change list order if not init time */
508 if (private_display->outputs)
509 return private_display->outputs;
511 outputs = func_display->display_get_outputs(private_display->bdata, &output_count, &ret);
512 if (ret != TDM_ERROR_NONE)
513 goto failed_get_outputs;
515 *count = output_count;
517 if (output_count == 0)
518 goto failed_get_outputs;
519 else if (output_count == 1) {
520 private_display->outputs = outputs;
524 /* count connected outputs */
525 for (i = 0; i < output_count; i++) {
526 tdm_func_output *func_output = &private_display->func_output;
527 tdm_caps_output caps;
528 memset(&caps, 0, sizeof(tdm_caps_output));
530 if (!func_output->output_get_capability) {
531 TDM_ERR("no output_get_capability()");
532 goto failed_get_outputs;
535 ret = func_output->output_get_capability(outputs[i], &caps);
536 if (ret != TDM_ERROR_NONE) {
537 TDM_ERR("output_get_capability() failed");
538 goto failed_get_outputs;
541 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
542 output_connected_count++;
545 case TDM_OUTPUT_TYPE_DSI:
546 output_dsi = outputs[i];
549 case TDM_OUTPUT_TYPE_LVDS:
550 output_lvds = outputs[i];
553 case TDM_OUTPUT_TYPE_HDMIA:
554 output_hdmia = outputs[i];
557 case TDM_OUTPUT_TYPE_HDMIB:
558 output_hdmib = outputs[i];
567 /* ordering : main output is first */
568 /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
569 * But hdmi is possible, so set hdmi to main display.
570 * If connected only one output, it is main output.
571 * If connected outputs over 2, has priority like below.
572 * (dsi > lvds > hdmi > else)
574 if (output_connected_count == 0) {
575 /* hdmi > dsi > lvds > else */
576 if (output_hdmia != NULL)
577 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
578 else if (output_hdmib != NULL)
579 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
580 else if (output_dsi != NULL)
581 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
582 else if (output_lvds != NULL)
583 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
585 new_outputs = outputs;
586 } else { /* (output_connected_count > 1) */
587 /* dsi > lvds > hdmi > else */
588 if (output_dsi != NULL)
589 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
590 else if (output_lvds != NULL)
591 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
592 else if (output_hdmia != NULL)
593 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
594 else if (output_hdmib != NULL)
595 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
597 new_outputs = outputs;
600 private_display->outputs = new_outputs;
611 _tdm_display_update_internal(tdm_private_display *private_display,
614 tdm_output **outputs = NULL;
615 int output_count = 0, i;
616 tdm_error ret = TDM_ERROR_NONE;
618 LIST_INITHEAD(&private_display->output_list);
619 LIST_INITHEAD(&private_display->pp_list);
620 LIST_INITHEAD(&private_display->capture_list);
623 ret = _tdm_display_update_caps_pp(private_display, &private_display->caps_pp);
624 if (ret != TDM_ERROR_NONE)
627 ret = _tdm_display_update_caps_capture(private_display,
628 &private_display->caps_capture);
629 if (ret != TDM_ERROR_NONE)
633 outputs = _tdm_display_get_ordered_outputs(private_display, &output_count);
637 for (i = 0; i < output_count; i++) {
638 ret = tdm_display_update_output(private_display, outputs[i], i);
639 if (ret != TDM_ERROR_NONE)
643 return TDM_ERROR_NONE;
646 _tdm_display_destroy_private_display(private_display);
651 tdm_display_update(tdm_display *dpy)
653 tdm_private_display *private_display;
656 TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
658 private_display = dpy;
659 _pthread_mutex_lock(&private_display->lock);
661 ret = _tdm_display_update_internal(private_display, 1);
663 _pthread_mutex_unlock(&private_display->lock);
668 #define SUFFIX_MODULE ".so"
669 #define DEFAULT_MODULE "libtdm-default"SUFFIX_MODULE
671 int tdm_debug_buffer;
672 int tdm_debug_thread;
675 static tdm_private_display *g_private_display;
676 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
679 _tdm_display_check_module(tdm_backend_module *module)
685 TDM_INFO("TDM ABI version : %d.%d",
686 TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
688 name = module->name ? module->name : "unknown";
689 vendor = module->vendor ? module->vendor : "unknown";
690 major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
691 minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
693 TDM_INFO("TDM module name: %s", name);
694 TDM_INFO("'%s' vendor: %s", name, vendor);
695 TDM_INFO("'%s' version: %d.%d", name, major, minor);
697 if (major != TDM_MAJOR_VERSION) {
698 TDM_ERR("'%s' major version mismatch, %d != %d",
699 name, major, TDM_MAJOR_VERSION);
700 return TDM_ERROR_BAD_MODULE;
703 if (minor > TDM_MINOR_VERSION) {
704 TDM_ERR("'%s' minor version(%d) is newer than %d",
705 name, minor, TDM_MINOR_VERSION);
706 return TDM_ERROR_BAD_MODULE;
710 TDM_ERR("'%s' doesn't have init function", name);
711 return TDM_ERROR_BAD_MODULE;
714 if (!module->deinit) {
715 TDM_ERR("'%s' doesn't have deinit function", name);
716 return TDM_ERROR_BAD_MODULE;
719 return TDM_ERROR_NONE;
723 _tdm_display_check_backend_functions(tdm_private_display *private_display)
725 tdm_func_display *func_display = &private_display->func_display;
726 tdm_func_output *func_output = &private_display->func_output;
727 tdm_func_layer *func_layer = &private_display->func_layer;
730 /* below functions should be implemented in backend side */
732 TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
733 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capabilitiy, TDM_ERROR_BAD_MODULE);
734 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
735 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
736 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
737 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
739 ret = func_display->display_get_capabilitiy(private_display->bdata, &private_display->caps_display);
740 if (ret != TDM_ERROR_NONE) {
741 TDM_ERR("display_get_capabilitiy() failed");
742 return TDM_ERROR_BAD_MODULE;
745 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
746 tdm_func_pp *func_pp = &private_display->func_pp;
747 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
748 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
749 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
750 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
751 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
754 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
755 tdm_func_capture *func_capture = &private_display->func_capture;
756 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
757 TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
758 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
759 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
760 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
761 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
764 return TDM_ERROR_NONE;
768 _tdm_display_load_module_with_file(tdm_private_display *private_display,
771 char path[PATH_MAX] = {0,};
772 tdm_backend_module *module_data;
776 snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
778 TDM_TRACE_BEGIN(Load_Backend);
780 module = dlopen(path, RTLD_LAZY);
782 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
784 return TDM_ERROR_BAD_MODULE;
787 module_data = dlsym(module, "tdm_backend_module_data");
789 TDM_ERR("'%s' doesn't have data object", file);
790 ret = TDM_ERROR_BAD_MODULE;
795 private_display->module_data = module_data;
796 private_display->module = module;
798 /* check if version, init() and deinit() are valid or not */
799 ret = _tdm_display_check_module(module_data);
800 if (ret != TDM_ERROR_NONE)
805 /* We don't care if backend_data is NULL or not. It's up to backend. */
806 TDM_TRACE_BEGIN(Init_Backend);
807 private_display->bdata = module_data->init((tdm_display *)private_display, &ret);
809 if (ret != TDM_ERROR_NONE) {
810 TDM_ERR("'%s' init failed", file);
814 ret = _tdm_display_check_backend_functions(private_display);
815 if (ret != TDM_ERROR_NONE) {
816 module_data->deinit(private_display->bdata);
817 private_display->bdata = NULL;
821 TDM_INFO("Success to load module(%s)", file);
823 return TDM_ERROR_NONE;
826 private_display->module_data = NULL;
827 private_display->module = NULL;
832 _tdm_display_load_module(tdm_private_display *private_display)
834 const char *module_name;
835 struct dirent **namelist;
839 module_name = getenv("TDM_MODULE");
841 module_name = DEFAULT_MODULE;
843 /* load bufmgr priv from default lib */
844 ret = _tdm_display_load_module_with_file(private_display, module_name);
845 if (ret == TDM_ERROR_NONE)
846 return TDM_ERROR_NONE;
848 /* load bufmgr priv from configured path */
849 n = scandir(TDM_MODULE_PATH, &namelist, 0, alphasort);
851 TDM_ERR("no module in '%s'\n", TDM_MODULE_PATH);
852 return TDM_ERROR_BAD_MODULE;
855 ret = TDM_ERROR_BAD_MODULE;
857 if (ret < 0 && strstr(namelist[n]->d_name, SUFFIX_MODULE))
858 ret = _tdm_display_load_module_with_file(private_display, namelist[n]->d_name);
868 _tdm_display_unload_module(tdm_private_display *private_display)
870 if (private_display->module_data)
871 private_display->module_data->deinit(private_display->bdata);
872 if (private_display->module)
873 dlclose(private_display->module);
875 private_display->bdata = NULL;
876 private_display->module_data = NULL;
877 private_display->module = NULL;
881 tdm_display_init(tdm_error *error)
883 tdm_private_display *private_display = NULL;
887 _pthread_mutex_lock(&gLock);
889 if (g_private_display) {
890 g_private_display->init_count++;
891 _pthread_mutex_unlock(&gLock);
893 *error = TDM_ERROR_NONE;
894 return g_private_display;
897 debug = getenv("TDM_DEBUG_BUFFER");
898 if (debug && (strstr(debug, "1")))
899 tdm_debug_buffer = 1;
901 debug = getenv("TDM_DEBUG_THREAD");
902 if (debug && (strstr(debug, "1")))
903 tdm_debug_thread = 1;
905 debug = getenv("TDM_DEBUG_MUTEX");
906 if (debug && (strstr(debug, "1")))
909 private_display = calloc(1, sizeof(tdm_private_display));
910 if (!private_display) {
911 ret = TDM_ERROR_OUT_OF_MEMORY;
912 TDM_ERR("'private_display != NULL' failed");
916 if (pthread_mutex_init(&private_display->lock, NULL)) {
917 ret = TDM_ERROR_OPERATION_FAILED;
918 TDM_ERR("mutex init failed: %m");
919 goto failed_mutex_init;
922 _pthread_mutex_lock(&private_display->lock);
924 ret = tdm_event_loop_init(private_display);
925 if (ret != TDM_ERROR_NONE)
928 ret = _tdm_display_load_module(private_display);
929 if (ret != TDM_ERROR_NONE)
933 int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
934 if (tdm_drm_fd >= 0) {
935 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
937 if (!private_display->bufmgr) {
938 TDM_ERR("tbm_bufmgr_init failed");
941 TDM_INFO("tbm_bufmgr_init successed");
946 TDM_TRACE_BEGIN(Update_Display);
947 ret = _tdm_display_update_internal(private_display, 0);
949 if (ret != TDM_ERROR_NONE)
952 tdm_event_loop_create_backend_source(private_display);
954 private_display->init_count = 1;
956 g_private_display = private_display;
959 *error = TDM_ERROR_NONE;
961 _pthread_mutex_unlock(&private_display->lock);
962 _pthread_mutex_unlock(&gLock);
964 return (tdm_display *)private_display;
967 _tdm_display_unload_module(private_display);
969 tdm_event_loop_deinit(private_display);
971 _pthread_mutex_unlock(&private_display->lock);
972 pthread_mutex_destroy(&private_display->lock);
974 free(private_display);
976 tdm_debug_buffer = 0;
979 _pthread_mutex_unlock(&gLock);
984 tdm_display_deinit(tdm_display *dpy)
986 tdm_private_display *private_display = dpy;
988 if (!private_display)
991 _pthread_mutex_lock(&gLock);
993 private_display->init_count--;
994 if (private_display->init_count > 0) {
995 _pthread_mutex_unlock(&gLock);
999 /* dont move the position of lock/unlock. all resource should be protected
1000 * during destroying. after tdm_event_loop_deinit, we don't worry about thread
1001 * things because it's finalized.
1003 _pthread_mutex_lock(&private_display->lock);
1004 tdm_event_loop_deinit(private_display);
1005 _pthread_mutex_unlock(&private_display->lock);
1007 _tdm_display_destroy_private_display(private_display);
1008 _tdm_display_unload_module(private_display);
1011 if (private_display->bufmgr)
1012 tbm_bufmgr_deinit(private_display->bufmgr);
1015 tdm_helper_set_fd("TDM_DRM_MASTER_FD", -1);
1017 pthread_mutex_destroy(&private_display->lock);
1018 free(private_display);
1019 g_private_display = NULL;
1020 tdm_debug_buffer = 0;
1022 _pthread_mutex_unlock(&gLock);
1028 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin)
1030 tdm_backend_module *module = private_display->module_data;
1032 if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
1035 if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)