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"
44 static tdm_private_layer*
45 _tdm_display_find_private_layer(tdm_private_output *private_output, tdm_layer *layer)
47 tdm_private_layer *private_layer = NULL;
49 LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
51 if (private_layer->layer == layer)
58 static tdm_private_output*
59 _tdm_display_find_private_output(tdm_private_display *private_display, tdm_output *output)
61 tdm_private_output *private_output = NULL;
63 LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link)
65 if (private_output->output == output)
66 return private_output;
73 _tdm_display_destroy_caps_pp(tdm_caps_pp *caps_pp)
75 free(caps_pp->formats);
76 memset(caps_pp, 0, sizeof(tdm_caps_pp));
80 _tdm_display_destroy_caps_capture(tdm_caps_capture *caps_capture)
82 free(caps_capture->formats);
83 memset(caps_capture, 0, sizeof(tdm_caps_capture));
87 _tdm_display_destroy_caps_layer(tdm_caps_layer *caps_layer)
89 free(caps_layer->formats);
90 free(caps_layer->props);
91 memset(caps_layer, 0, sizeof(tdm_caps_layer));
95 _tdm_display_destroy_caps_output(tdm_caps_output *caps_output)
97 free(caps_output->modes);
98 free(caps_output->props);
99 memset(caps_output, 0, sizeof(tdm_caps_output));
103 _tdm_display_destroy_private_layer(tdm_private_layer *private_layer)
105 tdm_private_capture *c = NULL, *cc = NULL;
107 LIST_DEL(&private_layer->link);
109 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_layer->capture_list, link)
110 tdm_capture_destroy_internal(c);
112 _tdm_display_destroy_caps_layer(&private_layer->caps);
118 _tdm_display_destroy_private_output(tdm_private_output *private_output)
120 tdm_private_layer *l = NULL, *ll = NULL;
121 tdm_private_capture *c = NULL, *cc = NULL;
122 tdm_private_vblank_handler *v = NULL, *vv = NULL;
123 tdm_private_commit_handler *m = NULL, *mm = NULL;
125 LIST_DEL(&private_output->link);
127 free(private_output->layers_ptr);
129 LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_output->vblank_handler_list, link)
135 LIST_FOR_EACH_ENTRY_SAFE(m, mm, &private_output->commit_handler_list, link)
141 LIST_FOR_EACH_ENTRY_SAFE(c, cc, &private_output->capture_list, link)
142 tdm_capture_destroy_internal(c);
144 LIST_FOR_EACH_ENTRY_SAFE(l, ll, &private_output->layer_list, link)
145 _tdm_display_destroy_private_layer(l);
147 _tdm_display_destroy_caps_output(&private_output->caps);
149 free(private_output);
153 _tdm_display_destroy_private_display(tdm_private_display *private_display)
155 tdm_private_output *o = NULL, *oo = NULL;
156 tdm_private_pp *p = NULL, *pp = NULL;
158 free(private_display->outputs_ptr);
160 LIST_FOR_EACH_ENTRY_SAFE(p, pp, &private_display->pp_list, link)
161 tdm_pp_destroy_internal(p);
163 LIST_FOR_EACH_ENTRY_SAFE(o, oo, &private_display->output_list, link)
164 _tdm_display_destroy_private_output(o);
166 _tdm_display_destroy_caps_pp(&private_display->caps_pp);
167 _tdm_display_destroy_caps_capture(&private_display->caps_capture);
168 private_display->capabilities = 0;
172 _tdm_display_update_caps_pp(tdm_private_display *private_display, tdm_caps_pp *caps)
174 tdm_func_display *func_display = &private_display->func_display;
176 int bufsize = sizeof(buf);
178 int *len_buf = &bufsize;
182 if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP))
183 return TDM_ERROR_NONE;
185 if (!func_display->display_get_pp_capability)
187 TDM_ERR("no display_get_pp_capability()");
188 return TDM_ERROR_BAD_MODULE;
191 ret = func_display->display_get_pp_capability(private_display->bdata, caps);
192 if (ret != TDM_ERROR_NONE)
194 TDM_ERR("display_get_pp_capability() failed");
195 return TDM_ERROR_BAD_MODULE;
198 TDM_INFO("pp capabilities: %x", caps->capabilities);
200 for (i = 0; i < caps->format_count; i++)
201 TDM_SNPRINTF(str_buf, len_buf, "%c%c%c%c ", FOURCC_STR(caps->formats[i]));
202 TDM_INFO("pp formats: %s", buf);
203 TDM_INFO("pp min : %dx%d", caps->min_w, caps->min_h);
204 TDM_INFO("pp max : %dx%d", caps->max_w, caps->max_h);
205 TDM_INFO("pp align: %d", caps->preferred_align);
207 return TDM_ERROR_NONE;
211 _tdm_display_update_caps_capture(tdm_private_display *private_display, tdm_caps_capture *caps)
213 tdm_func_display *func_display = &private_display->func_display;
215 int bufsize = sizeof(buf);
217 int *len_buf = &bufsize;
221 if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE))
222 return TDM_ERROR_NONE;
224 if (!func_display->display_get_capture_capability)
226 TDM_ERR("no display_get_capture_capability()");
227 return TDM_ERROR_BAD_MODULE;
230 ret = func_display->display_get_capture_capability(private_display->bdata, caps);
231 if (ret != TDM_ERROR_NONE)
233 TDM_ERR("display_get_capture_capability() failed");
234 return TDM_ERROR_BAD_MODULE;
238 for (i = 0; i < caps->format_count; i++)
239 TDM_SNPRINTF(str_buf, len_buf, "%c%c%c%c ", FOURCC_STR(caps->formats[i]));
240 TDM_INFO("capture formats: %s", buf);
242 return TDM_ERROR_NONE;
246 _tdm_display_update_caps_layer(tdm_private_display *private_display, tdm_layer *layer, tdm_caps_layer *caps)
248 tdm_func_display *func_display = &private_display->func_display;
250 int bufsize = sizeof(buf);
252 int *len_buf = &bufsize;
256 if (!func_display->layer_get_capability)
258 TDM_ERR("no layer_get_capability()");
259 return TDM_ERROR_BAD_MODULE;
262 ret = func_display->layer_get_capability(layer, caps);
263 if (ret != TDM_ERROR_NONE)
265 TDM_ERR("layer_get_capability() failed");
266 return TDM_ERROR_BAD_MODULE;
269 TDM_INFO("layer capabilities: %x", caps->capabilities);
270 TDM_INFO("layer zpos : %d", caps->zpos);
272 for (i = 0; i < caps->format_count; i++)
273 TDM_SNPRINTF(str_buf, len_buf, "%c%c%c%c ", FOURCC_STR(caps->formats[i]));
274 TDM_INFO("layer formats: %s", buf);
275 for (i = 0; i < caps->prop_count; i++)
276 TDM_INFO("layer props: %d, %s", caps->props[i].id, caps->props[i].name);
278 return TDM_ERROR_NONE;
282 _tdm_display_update_caps_output(tdm_private_display *private_display, tdm_output *output, tdm_caps_output *caps)
284 tdm_func_display *func_display = &private_display->func_display;
288 if (!func_display->output_get_capability)
290 TDM_ERR("no output_get_capability()");
291 return TDM_ERROR_BAD_MODULE;
294 ret = func_display->output_get_capability(output, caps);
295 if (ret != TDM_ERROR_NONE)
297 TDM_ERR("output_get_capability() failed");
298 return TDM_ERROR_BAD_MODULE;
301 TDM_INFO("output status: %d", caps->status);
302 TDM_INFO("output type : %d", caps->type);
303 for (i = 0; i < caps->prop_count; i++)
304 TDM_INFO("output props: %d, %s", caps->props[i].id, caps->props[i].name);
305 for (i = 0; i < caps->mode_count; i++)
306 TDM_INFO("output modes: name(%s), size(%dx%d), refresh(%d), flags(%d), type(%d)",
307 caps->modes[i]->name, caps->modes[i]->width, caps->modes[i]->height,
308 caps->modes[i]->refresh, caps->modes[i]->flags, caps->modes[i]->type);
309 TDM_INFO("output min : %dx%d", caps->min_w, caps->min_h);
310 TDM_INFO("output max : %dx%d", caps->max_w, caps->max_h);
311 TDM_INFO("output align: %d", caps->preferred_align);
313 return TDM_ERROR_NONE;
317 _tdm_display_update_layer(tdm_private_display *private_display,
318 tdm_private_output *private_output,
321 tdm_private_layer *private_layer;
324 private_layer = _tdm_display_find_private_layer(private_output, layer);
327 private_layer = calloc(1, sizeof(tdm_private_layer));
328 TDM_RETURN_VAL_IF_FAIL(private_layer != NULL, TDM_ERROR_OUT_OF_MEMORY);
330 LIST_ADD(&private_layer->link, &private_output->layer_list);
331 private_layer->func_display = &private_display->func_display;
332 private_layer->private_display = private_display;
333 private_layer->private_output = private_output;
334 private_layer->layer = layer;
336 LIST_INITHEAD(&private_layer->capture_list);
339 _tdm_display_destroy_caps_layer(&private_layer->caps);
341 ret = _tdm_display_update_caps_layer(private_display, layer, &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, tdm_output *output)
354 tdm_func_display *func_display = &private_display->func_display;
355 tdm_private_output *private_output = NULL;
356 tdm_layer **layers = NULL;
357 int layer_count = 0, i;
360 private_output = _tdm_display_find_private_output(private_display, 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 LIST_ADD(&private_output->link, &private_display->output_list);
367 private_output->func_display = func_display;
368 private_output->private_display = private_display;
369 private_output->output = output;
371 LIST_INITHEAD(&private_output->layer_list);
372 LIST_INITHEAD(&private_output->capture_list);
373 LIST_INITHEAD(&private_output->vblank_handler_list);
374 LIST_INITHEAD(&private_output->commit_handler_list);
377 _tdm_display_destroy_caps_output(&private_output->caps);
379 ret = _tdm_display_update_caps_output(private_display, output, &private_output->caps);
380 if (ret != TDM_ERROR_NONE)
383 layers = func_display->output_get_layers(output, &layer_count, &ret);
384 if (ret != TDM_ERROR_NONE)
387 for (i = 0; i < layer_count; i++)
389 ret = _tdm_display_update_layer(private_display, private_output, layers[i]);
390 if (ret != TDM_ERROR_NONE)
396 return TDM_ERROR_NONE;
398 _tdm_display_destroy_private_output(private_output);
404 _tdm_display_update_internal(tdm_private_display *private_display, int only_display)
406 tdm_func_display *func_display = &private_display->func_display;
407 tdm_output **outputs = NULL;
408 int output_count = 0, i;
411 LIST_INITHEAD(&private_display->output_list);
412 LIST_INITHEAD(&private_display->pp_list);
416 ret = _tdm_display_update_caps_pp(private_display, &private_display->caps_pp);
417 if (ret != TDM_ERROR_NONE)
420 ret = _tdm_display_update_caps_capture(private_display, &private_display->caps_capture);
421 if (ret != TDM_ERROR_NONE)
425 outputs = func_display->display_get_outputs(private_display->bdata, &output_count, &ret);
426 if (ret != TDM_ERROR_NONE)
429 for (i = 0; i < output_count; i++)
431 ret = _tdm_display_update_output(private_display, outputs[i]);
432 if (ret != TDM_ERROR_NONE)
438 return TDM_ERROR_NONE;
441 _tdm_display_destroy_private_display(private_display);
448 tdm_display_update(tdm_display *dpy)
450 tdm_private_display *private_display;
453 TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
455 private_display = dpy;
456 pthread_mutex_lock(&private_display->lock);
458 ret = _tdm_display_update_internal(private_display, 1);
460 pthread_mutex_unlock(&private_display->lock);
465 #define SUFFIX_MODULE ".so"
466 #define DEFAULT_MODULE "libtdm-default"SUFFIX_MODULE
470 static tdm_private_display *g_private_display;
471 static pthread_mutex_t gLock = PTHREAD_MUTEX_INITIALIZER;
474 _tdm_display_check_module(tdm_backend_module *module)
481 abimaj = TDM_BACKEND_GET_ABI_MAJOR(TDM_BACKEND_ABI_VERSION);
482 abimin = TDM_BACKEND_GET_ABI_MINOR(TDM_BACKEND_ABI_VERSION);
484 TDM_INFO("TDM module ABI version : %d.%d", abimaj, abimin);
486 name = module->name ? module->name : "unknown";
487 vendor = module->vendor ? module->vendor : "unknown";
488 major = TDM_BACKEND_GET_ABI_MAJOR(module->abi_version);
489 minor = TDM_BACKEND_GET_ABI_MINOR(module->abi_version);
491 TDM_INFO("TDM module name: %s", name);
492 TDM_INFO("'%s' vendor: %s", name, vendor);
493 TDM_INFO("'%s' version: %d.%d", name, major, minor);
497 TDM_ERR("'%s' major version mismatch, %d != %d", name, major, abimaj);
498 return TDM_ERROR_BAD_MODULE;
503 TDM_ERR("'%s' minor version(%d) is newer than %d", name, minor, abimin);
504 return TDM_ERROR_BAD_MODULE;
509 TDM_ERR("'%s' doesn't have init function", name);
510 return TDM_ERROR_BAD_MODULE;
515 TDM_ERR("'%s' doesn't have deinit function", name);
516 return TDM_ERROR_BAD_MODULE;
519 return TDM_ERROR_NONE;
523 _tdm_display_check_backend_functions(tdm_private_display *private_display)
525 tdm_func_display *func_display = &private_display->func_display;
528 /* below functions should be implemented in backend side */
530 TDM_RETURN_VAL_IF_FAIL(func_display != NULL, TDM_ERROR_BAD_MODULE);
531 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capabilitiy, TDM_ERROR_BAD_MODULE);
532 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_outputs, TDM_ERROR_BAD_MODULE);
533 TDM_RETURN_VAL_IF_FAIL(func_display->output_get_capability, TDM_ERROR_BAD_MODULE);
534 TDM_RETURN_VAL_IF_FAIL(func_display->output_get_layers, TDM_ERROR_BAD_MODULE);
535 TDM_RETURN_VAL_IF_FAIL(func_display->layer_get_capability, TDM_ERROR_BAD_MODULE);
537 ret = func_display->display_get_capabilitiy(private_display->bdata,
538 &private_display->capabilities);
539 if (ret != TDM_ERROR_NONE)
541 TDM_ERR("display_get_capabilitiy() failed");
542 return TDM_ERROR_BAD_MODULE;
545 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP)
547 tdm_func_pp *func_pp = &private_display->func_pp;
548 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_pp_capability, TDM_ERROR_BAD_MODULE);
549 TDM_RETURN_VAL_IF_FAIL(func_display->display_create_pp, TDM_ERROR_BAD_MODULE);
550 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_destroy, TDM_ERROR_BAD_MODULE);
551 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_commit, TDM_ERROR_BAD_MODULE);
552 TDM_RETURN_VAL_IF_FAIL(func_pp->pp_set_done_handler, TDM_ERROR_BAD_MODULE);
555 if (private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE)
557 tdm_func_capture *func_capture = &private_display->func_capture;
558 TDM_RETURN_VAL_IF_FAIL(func_display->display_get_capture_capability, TDM_ERROR_BAD_MODULE);
559 TDM_RETURN_VAL_IF_FAIL(func_display->output_create_capture, TDM_ERROR_BAD_MODULE);
560 TDM_RETURN_VAL_IF_FAIL(func_display->layer_create_capture, TDM_ERROR_BAD_MODULE);
561 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_destroy, TDM_ERROR_BAD_MODULE);
562 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_commit, TDM_ERROR_BAD_MODULE);
563 TDM_RETURN_VAL_IF_FAIL(func_capture->capture_set_done_handler, TDM_ERROR_BAD_MODULE);
566 return TDM_ERROR_NONE;
570 _tdm_display_load_module_with_file(tdm_private_display *private_display, const char *file)
572 char path[PATH_MAX] = {0,};
573 tdm_backend_module *module_data;
577 snprintf(path, sizeof(path), TDM_MODULE_PATH "/%s", file);
579 module = dlopen(path, RTLD_LAZY);
582 TDM_ERR("failed to load module: %s(%s)", dlerror(), file);
583 return TDM_ERROR_BAD_MODULE;
586 module_data = dlsym(module, "tdm_backend_module_data");
589 TDM_ERR("'%s' doesn't have data object", file);
590 ret = TDM_ERROR_BAD_MODULE;
594 /* check if version, init() and deinit() are valid or not */
595 ret = _tdm_display_check_module(module_data);
596 if (ret != TDM_ERROR_NONE)
599 /* We don't care if backend_data is NULL or not. It's up to backend. */
600 private_display->bdata = module_data->init((tdm_display*)private_display, &ret);
601 if (ret != TDM_ERROR_NONE)
603 TDM_ERR("'%s' init failed", file);
607 ret = _tdm_display_check_backend_functions(private_display);
608 if (ret != TDM_ERROR_NONE)
610 module_data->deinit(private_display->bdata);
611 private_display->bdata = NULL;
615 private_display->module_data = module_data;
616 private_display->module = module;
618 TDM_INFO("Success to load module(%s)\n", file);
620 return TDM_ERROR_NONE;
627 _tdm_display_load_module(tdm_private_display *private_display)
629 const char *module_name;
630 struct dirent **namelist;
634 module_name = getenv("TDM_MODULE");
636 module_name = DEFAULT_MODULE;
638 /* load bufmgr priv from default lib */
639 ret = _tdm_display_load_module_with_file(private_display, module_name);
640 if (ret == TDM_ERROR_NONE)
641 return TDM_ERROR_NONE;
643 /* load bufmgr priv from configured path */
644 n = scandir(TDM_MODULE_PATH, &namelist, 0, alphasort);
647 TDM_ERR("no module in '%s'\n", TDM_MODULE_PATH);
648 return TDM_ERROR_BAD_MODULE;
651 ret = TDM_ERROR_BAD_MODULE;
654 if (ret < 0 && strstr(namelist[n]->d_name, SUFFIX_MODULE))
655 ret = _tdm_display_load_module_with_file(private_display, namelist[n]->d_name);
665 _tdm_display_unload_module(tdm_private_display *private_display)
667 if (private_display->module_data)
668 private_display->module_data->deinit(private_display->bdata);
669 if (private_display->module)
670 dlclose(private_display->module);
672 private_display->bdata = NULL;
673 private_display->module_data = NULL;
674 private_display->module = NULL;
678 tdm_display_init(tdm_error *error)
680 tdm_private_display *private_display = NULL;
684 pthread_mutex_lock(&gLock);
686 if (g_private_display)
688 g_private_display->init_count++;
689 pthread_mutex_unlock(&gLock);
690 return g_private_display;
693 debug = getenv("TDM_DEBUG");
694 if (debug && (strstr(debug, "1")))
697 private_display = calloc(1, sizeof(tdm_private_display));
698 if (!private_display)
700 ret = TDM_ERROR_OUT_OF_MEMORY;
701 TDM_ERR("'private_display != NULL' failed");
705 if (pthread_mutex_init(&private_display->lock, NULL))
707 ret = TDM_ERROR_OPERATION_FAILED;
708 TDM_ERR("mutex init failed: %m");
709 goto failed_mutex_init;
712 ret = _tdm_display_load_module(private_display);
713 if (ret != TDM_ERROR_NONE)
716 ret = _tdm_display_update_internal(private_display, 0);
717 if (ret != TDM_ERROR_NONE)
720 private_display->init_count = 1;
722 g_private_display = private_display;
724 pthread_mutex_unlock(&gLock);
726 return (tdm_display*)private_display;
729 _tdm_display_unload_module(private_display);
731 pthread_mutex_destroy(&private_display->lock);
733 free(private_display);
738 pthread_mutex_unlock(&gLock);
743 tdm_display_deinit(tdm_display *dpy)
745 tdm_private_display *private_display = dpy;
747 if (!private_display)
750 pthread_mutex_lock(&gLock);
752 private_display->init_count--;
753 if (private_display->init_count > 0)
755 pthread_mutex_unlock(&gLock);
759 pthread_mutex_lock(&private_display->lock);
761 _tdm_display_destroy_private_display(private_display);
762 _tdm_display_unload_module(private_display);
764 pthread_mutex_unlock(&private_display->lock);
766 pthread_mutex_destroy(&private_display->lock);
767 free(private_display);
770 pthread_mutex_unlock(&gLock);