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 private_output->stamp = 0;
189 free(private_output);
193 _tdm_display_destroy_private_display(tdm_private_display *private_display)
195 tdm_private_output *o = NULL, *oo = NULL;
196 tdm_private_pp *p = NULL, *pp = NULL;
198 free(private_display->outputs_ptr);
199 if (private_display->outputs) {
200 free(private_display->outputs);
201 private_display->outputs = NULL;
204 LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_display->pp_list, link)
205 tdm_pp_destroy_internal(p);
207 LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_display->output_list, link)
208 _tdm_display_destroy_private_output(o);
210 _tdm_display_destroy_caps_pp(&private_display->caps_pp);
211 _tdm_display_destroy_caps_capture(&private_display->caps_capture);
213 private_display->capabilities = 0;
214 private_display->caps_display.max_layer_count = -1;
218 _tdm_display_update_caps_pp(tdm_private_display *private_display,
221 tdm_func_display *func_display = &private_display->func_display;
223 int bufsize = sizeof(buf);
225 int *len_buf = &bufsize;
229 if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
230 return TDM_ERROR_NONE;
232 if (!func_display->display_get_pp_capability) {
233 TDM_ERR("no display_get_pp_capability()");
234 return TDM_ERROR_BAD_MODULE;
237 ret = func_display->display_get_pp_capability(private_display->bdata, caps);
238 if (ret != TDM_ERROR_NONE) {
239 TDM_ERR("display_get_pp_capability() failed");
240 return TDM_ERROR_BAD_MODULE;
243 TDM_DBG("pp capabilities: %x", caps->capabilities);
245 for (i = 0; i < caps->format_count; i++)
246 TDM_SNPRINTF(str_buf, len_buf, "%c%c%c%c ", FOURCC_STR(caps->formats[i]));
247 TDM_DBG("pp formats: %s", buf);
248 TDM_DBG("pp min : %dx%d", caps->min_w, caps->min_h);
249 TDM_DBG("pp max : %dx%d", caps->max_w, caps->max_h);
250 TDM_DBG("pp align: %d", caps->preferred_align);
252 return TDM_ERROR_NONE;
256 _tdm_display_update_caps_capture(tdm_private_display *private_display,
257 tdm_caps_capture *caps)
259 tdm_func_display *func_display = &private_display->func_display;
261 int bufsize = sizeof(buf);
263 int *len_buf = &bufsize;
267 if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
268 return TDM_ERROR_NONE;
270 if (!func_display->display_get_capture_capability) {
271 TDM_ERR("no display_get_capture_capability()");
272 return TDM_ERROR_BAD_MODULE;
275 ret = func_display->display_get_capture_capability(private_display->bdata, caps);
276 if (ret != TDM_ERROR_NONE) {
277 TDM_ERR("display_get_capture_capability() failed");
278 return TDM_ERROR_BAD_MODULE;
282 for (i = 0; i < caps->format_count; i++)
283 TDM_SNPRINTF(str_buf, len_buf, "%c%c%c%c ", FOURCC_STR(caps->formats[i]));
284 TDM_DBG("capture formats: %s", buf);
286 return TDM_ERROR_NONE;
290 _tdm_display_update_caps_layer(tdm_private_display *private_display,
291 tdm_layer *layer_backend, tdm_caps_layer *caps)
293 tdm_func_layer *func_layer = &private_display->func_layer;
295 int bufsize = sizeof(buf);
297 int *len_buf = &bufsize;
301 if (!func_layer->layer_get_capability) {
302 TDM_ERR("no layer_get_capability()");
303 return TDM_ERROR_BAD_MODULE;
306 ret = func_layer->layer_get_capability(layer_backend, caps);
307 if (ret != TDM_ERROR_NONE) {
308 TDM_ERR("layer_get_capability() failed");
309 return TDM_ERROR_BAD_MODULE;
312 TDM_DBG("layer capabilities: %x", caps->capabilities);
313 TDM_DBG("layer zpos : %d", caps->zpos);
315 for (i = 0; i < caps->format_count; i++)
316 TDM_SNPRINTF(str_buf, len_buf, "%c%c%c%c ", FOURCC_STR(caps->formats[i]));
317 TDM_DBG("layer formats: %s", buf);
318 for (i = 0; i < caps->prop_count; i++)
319 TDM_DBG("layer props: %d, %s", caps->props[i].id, caps->props[i].name);
321 return TDM_ERROR_NONE;
325 _tdm_display_update_caps_output(tdm_private_display *private_display, int pipe,
326 tdm_output *output_backend, tdm_caps_output *caps)
328 tdm_func_output *func_output = &private_display->func_output;
329 char temp[TDM_NAME_LEN];
333 if (!func_output->output_get_capability) {
334 TDM_ERR("no output_get_capability()");
335 return TDM_ERROR_BAD_MODULE;
338 ret = func_output->output_get_capability(output_backend, caps);
339 if (ret != TDM_ERROR_NONE) {
340 TDM_ERR("output_get_capability() failed");
341 return TDM_ERROR_BAD_MODULE;
344 /* FIXME: Use model for tdm client to distinguish amoung outputs */
345 snprintf(temp, TDM_NAME_LEN, "%s-%d", caps->model, pipe);
346 snprintf(caps->model, TDM_NAME_LEN, "%s", temp);
348 TDM_DBG("output maker: %s", caps->maker);
349 TDM_DBG("output model: %s", caps->model);
350 TDM_DBG("output name: %s", caps->name);
351 TDM_DBG("output status: %d", caps->status);
352 TDM_DBG("output type : %d", caps->type);
353 for (i = 0; i < caps->prop_count; i++)
354 TDM_DBG("output props: %d, %s", caps->props[i].id, caps->props[i].name);
355 for (i = 0; i < caps->mode_count; i++) {
356 TDM_DBG("output modes: name(%s), clock(%d) vrefresh(%d), flags(%x), type(%d)",
357 caps->modes[i].name, caps->modes[i].clock, caps->modes[i].vrefresh,
358 caps->modes[i].flags, caps->modes[i].type);
359 TDM_DBG("\t\t %d, %d, %d, %d, %d",
360 caps->modes[i].hdisplay, caps->modes[i].hsync_start, caps->modes[i].hsync_end,
361 caps->modes[i].htotal, caps->modes[i].hskew);
362 TDM_DBG("\t\t %d, %d, %d, %d, %d",
363 caps->modes[i].vdisplay, caps->modes[i].vsync_start, caps->modes[i].vsync_end,
364 caps->modes[i].vtotal, caps->modes[i].vscan);
366 TDM_DBG("output min : %dx%d", caps->min_w, caps->min_h);
367 TDM_DBG("output max : %dx%d", caps->max_w, caps->max_h);
368 TDM_DBG("output align: %d", caps->preferred_align);
370 return TDM_ERROR_NONE;
374 _tdm_display_update_layer(tdm_private_display *private_display,
375 tdm_private_output *private_output,
376 tdm_layer *layer_backend)
378 tdm_private_layer *private_layer;
381 private_layer = _tdm_display_find_private_layer(private_output, layer_backend);
382 if (!private_layer) {
383 private_layer = calloc(1, sizeof(tdm_private_layer));
384 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
386 LIST_ADD(&private_layer->link, &private_output->layer_list);
387 private_layer->private_display = private_display;
388 private_layer->private_output = private_output;
389 private_layer->layer_backend = layer_backend;
391 LIST_INITHEAD(&private_layer->capture_list);
393 private_layer->usable = 1;
395 _tdm_display_destroy_caps_layer(&private_layer->caps);
397 ret = _tdm_display_update_caps_layer(private_display, layer_backend,
398 &private_layer->caps);
399 if (ret != TDM_ERROR_NONE)
402 return TDM_ERROR_NONE;
404 _tdm_display_destroy_private_layer(private_layer);
409 tdm_display_update_output(tdm_private_display *private_display,
410 tdm_output *output_backend, int pipe)
412 tdm_func_output *func_output = &private_display->func_output;
413 tdm_private_output *private_output = NULL;
414 tdm_layer **layers = NULL;
415 int layer_count = 0, i;
418 private_output = _tdm_display_find_private_output(private_display, output_backend);
419 if (!private_output) {
420 private_output = calloc(1, sizeof(tdm_private_output));
421 TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_OUT_OF_MEMORY);
423 private_output->stamp = tdm_helper_get_time_in_millis();
424 while (tdm_display_find_output_stamp(private_display, private_output->stamp))
425 private_output->stamp++;
427 LIST_ADDTAIL(&private_output->link, &private_display->output_list);
429 private_output->private_display = private_display;
430 private_output->current_dpms_value = TDM_OUTPUT_DPMS_OFF;
431 private_output->output_backend = output_backend;
432 private_output->pipe = pipe;
434 LIST_INITHEAD(&private_output->layer_list);
435 LIST_INITHEAD(&private_output->capture_list);
436 LIST_INITHEAD(&private_output->vblank_handler_list);
437 LIST_INITHEAD(&private_output->commit_handler_list);
438 LIST_INITHEAD(&private_output->change_handler_list_main);
439 LIST_INITHEAD(&private_output->change_handler_list_sub);
441 if (func_output->output_set_status_handler) {
442 func_output->output_set_status_handler(private_output->output_backend,
443 tdm_output_cb_status,
445 private_output->regist_change_cb = 1;
449 _tdm_display_destroy_caps_output(&private_output->caps);
451 ret = _tdm_display_update_caps_output(private_display, pipe, output_backend,
452 &private_output->caps);
453 if (ret != TDM_ERROR_NONE)
456 layers = func_output->output_get_layers(output_backend, &layer_count, &ret);
457 if (ret != TDM_ERROR_NONE)
460 for (i = 0; i < layer_count; i++) {
461 ret = _tdm_display_update_layer(private_display, private_output, layers[i]);
462 if (ret != TDM_ERROR_NONE)
468 return TDM_ERROR_NONE;
470 _tdm_display_destroy_private_output(private_output);
476 _tdm_display_set_main_first(tdm_output **outputs, int index)
478 tdm_output *output_tmp = NULL;
483 output_tmp = outputs[0];
484 outputs[0] = outputs[index];
485 outputs[index] = output_tmp;
491 _tdm_display_get_ordered_outputs(tdm_private_display *private_display, int *count)
493 tdm_func_display *func_display = &private_display->func_display;
494 tdm_output **outputs = NULL;
495 tdm_output **new_outputs = NULL;
496 tdm_output *output_dsi = NULL;
497 tdm_output *output_lvds = NULL;
498 tdm_output *output_hdmia = NULL;
499 tdm_output *output_hdmib = NULL;
500 int i, output_count = 0, output_connected_count = 0;
501 int index_dsi = 0, index_lvds = 0, index_hdmia = 0, index_hdmib = 0;
504 /* don't change list order if not init time */
505 if (private_display->outputs)
506 return private_display->outputs;
508 outputs = func_display->display_get_outputs(private_display->bdata, &output_count, &ret);
509 if (ret != TDM_ERROR_NONE)
510 goto failed_get_outputs;
512 *count = output_count;
514 if (output_count == 0)
515 goto failed_get_outputs;
516 else if (output_count == 1) {
517 private_display->outputs = outputs;
521 /* count connected outputs */
522 for (i = 0; i < output_count; i++) {
523 tdm_func_output *func_output = &private_display->func_output;
524 tdm_caps_output caps;
525 memset(&caps, 0, sizeof(tdm_caps_output));
527 if (!func_output->output_get_capability) {
528 TDM_ERR("no output_get_capability()");
529 goto failed_get_outputs;
532 ret = func_output->output_get_capability(outputs[i], &caps);
533 if (ret != TDM_ERROR_NONE) {
534 TDM_ERR("output_get_capability() failed");
535 goto failed_get_outputs;
538 if (caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED) {
539 output_connected_count++;
542 case TDM_OUTPUT_TYPE_DSI:
543 output_dsi = outputs[i];
546 case TDM_OUTPUT_TYPE_LVDS:
547 output_lvds = outputs[i];
550 case TDM_OUTPUT_TYPE_HDMIA:
551 output_hdmia = outputs[i];
554 case TDM_OUTPUT_TYPE_HDMIB:
555 output_hdmib = outputs[i];
564 /* ordering : main output is first */
565 /* If there is no connected output, lvds or dsi cannot be main display. (cannot connect after booting)
566 * But hdmi is possible, so set hdmi to main display.
567 * If connected only one output, it is main output.
568 * If connected outputs over 2, has priority like below.
569 * (dsi > lvds > hdmi > else)
571 if (output_connected_count == 0) {
572 /* hdmi > dsi > lvds > else */
573 if (output_hdmia != NULL)
574 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
575 else if (output_hdmib != NULL)
576 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
577 else if (output_dsi != NULL)
578 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
579 else if (output_lvds != NULL)
580 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
582 new_outputs = outputs;
583 } else { /* (output_connected_count > 1) */
584 /* dsi > lvds > hdmi > else */
585 if (output_dsi != NULL)
586 new_outputs = _tdm_display_set_main_first(outputs, index_dsi);
587 else if (output_lvds != NULL)
588 new_outputs = _tdm_display_set_main_first(outputs, index_lvds);
589 else if (output_hdmia != NULL)
590 new_outputs = _tdm_display_set_main_first(outputs, index_hdmia);
591 else if (output_hdmib != NULL)
592 new_outputs = _tdm_display_set_main_first(outputs, index_hdmib);
594 new_outputs = outputs;
597 private_display->outputs = new_outputs;
608 _tdm_display_update_internal(tdm_private_display *private_display,
611 tdm_output **outputs = NULL;
612 int output_count = 0, i;
613 tdm_error ret = TDM_ERROR_NONE;
615 LIST_INITHEAD(&private_display->output_list);
616 LIST_INITHEAD(&private_display->pp_list);
617 LIST_INITHEAD(&private_display->capture_list);
620 ret = _tdm_display_update_caps_pp(private_display, &private_display->caps_pp);
621 if (ret != TDM_ERROR_NONE)
624 ret = _tdm_display_update_caps_capture(private_display,
625 &private_display->caps_capture);
626 if (ret != TDM_ERROR_NONE)
630 outputs = _tdm_display_get_ordered_outputs(private_display, &output_count);
634 for (i = 0; i < output_count; i++) {
635 ret = tdm_display_update_output(private_display, outputs[i], i);
636 if (ret != TDM_ERROR_NONE)
640 return TDM_ERROR_NONE;
643 _tdm_display_destroy_private_display(private_display);
648 tdm_display_update(tdm_display *dpy)
650 tdm_private_display *private_display;
653 TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
655 private_display = dpy;
656 _pthread_mutex_lock(&private_display->lock);
658 ret = _tdm_display_update_internal(private_display, 1);
660 _pthread_mutex_unlock(&private_display->lock);
665 #define SUFFIX_MODULE ".so"
666 #define DEFAULT_MODULE "libtdm-default"SUFFIX_MODULE
668 int tdm_debug_buffer;
669 int tdm_debug_thread;
672 static tdm_private_display *g_private_display;
673 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
676 _tdm_display_check_module(tdm_backend_module *module)
682 TDM_INFO("TDM ABI version : %d.%d",
683 TDM_MAJOR_VERSION, TDM_MINOR_VERSION);
685 name = module->name ? module->name : "unknown";
686 vendor = module->vendor ? module->vendor : "unknown";
687 major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
688 minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
690 TDM_INFO("TDM module name: %s", name);
691 TDM_INFO("'%s' vendor: %s", name, vendor);
692 TDM_INFO("'%s' version: %d.%d", name, major, minor);
694 if (major != TDM_MAJOR_VERSION) {
695 TDM_ERR("'%s' major version mismatch, %d != %d",
696 name, major, TDM_MAJOR_VERSION);
697 return TDM_ERROR_BAD_MODULE;
700 if (minor > TDM_MINOR_VERSION) {
701 TDM_ERR("'%s' minor version(%d) is newer than %d",
702 name, minor, TDM_MINOR_VERSION);
703 return TDM_ERROR_BAD_MODULE;
707 TDM_ERR("'%s' doesn't have init function", name);
708 return TDM_ERROR_BAD_MODULE;
711 if (!module->deinit) {
712 TDM_ERR("'%s' doesn't have deinit function", name);
713 return TDM_ERROR_BAD_MODULE;
716 return TDM_ERROR_NONE;
720 _tdm_display_check_backend_functions(tdm_private_display *private_display)
722 tdm_func_display *func_display = &private_display->func_display;
723 tdm_func_output *func_output = &private_display->func_output;
724 tdm_func_layer *func_layer = &private_display->func_layer;
727 /* below functions should be implemented in backend side */
729 TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
730 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capabilitiy, TDM_ERROR_BAD_MODULE);
731 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
732 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_capability, TDM_ERROR_BAD_MODULE);
733 TDM_RETURN_VAL_IF_FAIL(func_output->output_get_layers, TDM_ERROR_BAD_MODULE);
734 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_get_capability, TDM_ERROR_BAD_MODULE);
736 ret = func_display->display_get_capabilitiy(private_display->bdata, &private_display->caps_display);
737 if (ret != TDM_ERROR_NONE) {
738 TDM_ERR("display_get_capabilitiy() failed");
739 return TDM_ERROR_BAD_MODULE;
742 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP) {
743 tdm_func_pp *func_pp = &private_display->func_pp;
744 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
745 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
746 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
747 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
748 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
751 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE) {
752 tdm_func_capture *func_capture = &private_display->func_capture;
753 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
754 TDM_RETURN_VAL_IF_FAIL(func_output->output_create_capture, TDM_ERROR_BAD_MODULE);
755 TDM_RETURN_VAL_IF_FAIL(func_layer->layer_create_capture, TDM_ERROR_BAD_MODULE);
756 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
757 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
758 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
761 return TDM_ERROR_NONE;
765 _tdm_display_load_module_with_file(tdm_private_display *private_display,
768 char path[PATH_MAX] = {0,};
769 tdm_backend_module *module_data;
773 snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
775 TDM_TRACE_BEGIN(Load_Backend);
777 module = dlopen(path, RTLD_LAZY);
779 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
781 return TDM_ERROR_BAD_MODULE;
784 module_data = dlsym(module, "tdm_backend_module_data");
786 TDM_ERR("'%s' doesn't have data object", file);
787 ret = TDM_ERROR_BAD_MODULE;
792 private_display->module_data = module_data;
793 private_display->module = module;
795 /* check if version, init() and deinit() are valid or not */
796 ret = _tdm_display_check_module(module_data);
797 if (ret != TDM_ERROR_NONE)
802 /* We don't care if backend_data is NULL or not. It's up to backend. */
803 TDM_TRACE_BEGIN(Init_Backend);
804 private_display->bdata = module_data->init((tdm_display *)private_display, &ret);
806 if (ret != TDM_ERROR_NONE) {
807 TDM_ERR("'%s' init failed", file);
811 ret = _tdm_display_check_backend_functions(private_display);
812 if (ret != TDM_ERROR_NONE) {
813 module_data->deinit(private_display->bdata);
814 private_display->bdata = NULL;
818 TDM_INFO("Success to load module(%s)", file);
820 return TDM_ERROR_NONE;
823 private_display->module_data = NULL;
824 private_display->module = NULL;
829 _tdm_display_load_module(tdm_private_display *private_display)
831 const char *module_name;
832 struct dirent **namelist;
836 module_name = getenv("TDM_MODULE");
838 module_name = DEFAULT_MODULE;
840 /* load bufmgr priv from default lib */
841 ret = _tdm_display_load_module_with_file(private_display, module_name);
842 if (ret == TDM_ERROR_NONE)
843 return TDM_ERROR_NONE;
845 /* load bufmgr priv from configured path */
846 n = scandir(TDM_MODULE_PATH, &namelist, 0, alphasort);
848 TDM_ERR("no module in '%s'\n", TDM_MODULE_PATH);
849 return TDM_ERROR_BAD_MODULE;
852 ret = TDM_ERROR_BAD_MODULE;
854 if (ret < 0 && strstr(namelist[n]->d_name, SUFFIX_MODULE))
855 ret = _tdm_display_load_module_with_file(private_display, namelist[n]->d_name);
865 _tdm_display_unload_module(tdm_private_display *private_display)
867 if (private_display->module_data)
868 private_display->module_data->deinit(private_display->bdata);
869 if (private_display->module)
870 dlclose(private_display->module);
872 private_display->bdata = NULL;
873 private_display->module_data = NULL;
874 private_display->module = NULL;
878 tdm_display_init(tdm_error *error)
880 tdm_private_display *private_display = NULL;
884 _pthread_mutex_lock(&gLock);
886 if (g_private_display) {
887 g_private_display->init_count++;
888 _pthread_mutex_unlock(&gLock);
890 *error = TDM_ERROR_NONE;
891 return g_private_display;
894 debug = getenv("TDM_DEBUG_BUFFER");
895 if (debug && (strstr(debug, "1")))
896 tdm_debug_buffer = 1;
898 debug = getenv("TDM_DEBUG_THREAD");
899 if (debug && (strstr(debug, "1")))
900 tdm_debug_thread = 1;
902 debug = getenv("TDM_DEBUG_MUTEX");
903 if (debug && (strstr(debug, "1")))
906 private_display = calloc(1, sizeof(tdm_private_display));
907 if (!private_display) {
908 ret = TDM_ERROR_OUT_OF_MEMORY;
909 TDM_ERR("'private_display != NULL' failed");
913 if (pthread_mutex_init(&private_display->lock, NULL)) {
914 ret = TDM_ERROR_OPERATION_FAILED;
915 TDM_ERR("mutex init failed: %m");
916 goto failed_mutex_init;
919 _pthread_mutex_lock(&private_display->lock);
921 ret = tdm_event_loop_init(private_display);
922 if (ret != TDM_ERROR_NONE)
925 ret = _tdm_display_load_module(private_display);
926 if (ret != TDM_ERROR_NONE)
930 int tdm_drm_fd = tdm_helper_get_fd("TDM_DRM_MASTER_FD");
931 if (tdm_drm_fd >= 0) {
932 private_display->bufmgr = tbm_bufmgr_init(tdm_drm_fd);
934 if (!private_display->bufmgr) {
935 TDM_ERR("tbm_bufmgr_init failed");
938 TDM_INFO("tbm_bufmgr_init successed");
943 TDM_TRACE_BEGIN(Update_Display);
944 ret = _tdm_display_update_internal(private_display, 0);
946 if (ret != TDM_ERROR_NONE)
949 tdm_event_loop_create_backend_source(private_display);
951 private_display->init_count = 1;
953 g_private_display = private_display;
956 *error = TDM_ERROR_NONE;
958 _pthread_mutex_unlock(&private_display->lock);
959 _pthread_mutex_unlock(&gLock);
961 return (tdm_display *)private_display;
964 _tdm_display_unload_module(private_display);
966 tdm_event_loop_deinit(private_display);
968 _pthread_mutex_unlock(&private_display->lock);
969 pthread_mutex_destroy(&private_display->lock);
971 free(private_display);
973 tdm_debug_buffer = 0;
976 _pthread_mutex_unlock(&gLock);
981 tdm_display_deinit(tdm_display *dpy)
983 tdm_private_display *private_display = dpy;
985 if (!private_display)
988 _pthread_mutex_lock(&gLock);
990 private_display->init_count--;
991 if (private_display->init_count > 0) {
992 _pthread_mutex_unlock(&gLock);
996 _pthread_mutex_lock(&private_display->lock);
998 tdm_event_loop_deinit(private_display);
1000 _tdm_display_destroy_private_display(private_display);
1001 _tdm_display_unload_module(private_display);
1004 if (private_display->bufmgr)
1005 tbm_bufmgr_deinit(private_display->bufmgr);
1008 tdm_helper_set_fd("TDM_DRM_MASTER_FD", -1);
1010 _pthread_mutex_unlock(&private_display->lock);
1012 pthread_mutex_destroy(&private_display->lock);
1013 free(private_display);
1014 g_private_display = NULL;
1015 tdm_debug_buffer = 0;
1017 _pthread_mutex_unlock(&gLock);
1023 tdm_display_check_module_abi(tdm_private_display *private_display, int abimaj, int abimin)
1025 tdm_backend_module *module = private_display->module_data;
1027 if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
1030 if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)