Package version up to 2.7.1
[platform/core/uifw/libtdm.git] / src / tdm_display.c
index cbcf675..7d2f82b 100644 (file)
 /**************************************************************************
-
-libtdm
-
-Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
-
-Contact: Eunchul Kim <chulspro.kim@samsung.com>,
-         JinYoung Jeon <jy0.jeon@samsung.com>,
-         Taeheon Kim <th908.kim@samsung.com>,
-         YoungJun Cho <yj44.cho@samsung.com>,
-         SooChan Lim <sc1.lim@samsung.com>,
        Boram Park <sc1.lim@samsung.com>
-
-Permission is hereby granted, free of charge, to any person obtaining a
-copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sub license, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice (including the
-next paragraph) shall be included in all copies or substantial portions
-of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
-IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
-ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
+ *
+ * libtdm
+ *
+ * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
+ *
+ * Contact: Eunchul Kim <chulspro.kim@samsung.com>,
*          JinYoung Jeon <jy0.jeon@samsung.com>,
*          Taeheon Kim <th908.kim@samsung.com>,
*          YoungJun Cho <yj44.cho@samsung.com>,
*          SooChan Lim <sc1.lim@samsung.com>,
*          Boram Park <boram1288.park@samsung.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
 **************************************************************************/
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#include "tdm.h"
-#include "tdm_backend.h"
 #include "tdm_private.h"
 
 #define COUNT_MAX   10
 
 #define DISPLAY_FUNC_ENTRY() \
-    tdm_private_display *private_display; \
-    tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
-    TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER); \
-    private_display = (tdm_private_display*)dpy;
-
-#define DISPLAY_FUNC_ENTRY_ERROR() \
-    tdm_private_display *private_display; \
-    tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
-    TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(dpy != NULL, TDM_ERROR_INVALID_PARAMETER, NULL); \
-    private_display = (tdm_private_display*)dpy;
-
-#define OUTPUT_FUNC_ENTRY() \
-    tdm_private_display *private_display; \
-    tdm_private_output *private_output; \
-    tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
-    TDM_RETURN_VAL_IF_FAIL(output != NULL, TDM_ERROR_INVALID_PARAMETER); \
-    private_output = (tdm_private_output*)output; \
-    private_display = private_output->private_display
-
-#define OUTPUT_FUNC_ENTRY_ERROR() \
-    tdm_private_display *private_display; \
-    tdm_private_output *private_output; \
-    tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
-    TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(output != NULL, TDM_ERROR_INVALID_PARAMETER, NULL); \
-    private_output = (tdm_private_output*)output; \
-    private_display = private_output->private_display
-
-#define LAYER_FUNC_ENTRY() \
-    tdm_private_display *private_display; \
-    tdm_private_output *private_output; \
-    tdm_private_layer *private_layer; \
-    tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
-    TDM_RETURN_VAL_IF_FAIL(layer != NULL, TDM_ERROR_INVALID_PARAMETER); \
-    private_layer = (tdm_private_layer*)layer; \
-    private_output = private_layer->private_output; \
-    private_display = private_output->private_display
-
-#define LAYER_FUNC_ENTRY_ERROR() \
-    tdm_private_display *private_display; \
-    tdm_private_output *private_output; \
-    tdm_private_layer *private_layer; \
-    tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
-    TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(layer != NULL, TDM_ERROR_INVALID_PARAMETER, NULL); \
-    private_layer = (tdm_private_layer*)layer; \
-    private_output = private_layer->private_output; \
-    private_display = private_output->private_display
-
-#define LAYER_FUNC_ENTRY_VOID_RETURN() \
-    tdm_private_display *private_display; \
-    tdm_private_output *private_output; \
-    tdm_private_layer *private_layer; \
-    tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
-    TDM_RETURN_IF_FAIL(layer != NULL); \
-    private_layer = (tdm_private_layer*)layer; \
-    private_output = private_layer->private_output; \
-    private_display = private_output->private_display
-
-EXTERN tdm_error
-tdm_display_get_capabilities(tdm_display *dpy,
-                             tdm_display_capability *capabilities)
-{
-       DISPLAY_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       *capabilities = private_display->capabilities;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_display_get_pp_capabilities(tdm_display *dpy,
-                                tdm_pp_capability *capabilities)
-{
-       DISPLAY_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP)) {
-               TDM_ERR("no pp capability");
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NO_CAPABILITY;
-       }
-
-       *capabilities = private_display->caps_pp.capabilities;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_display_get_pp_available_formats(tdm_display *dpy,
-                                     const tbm_format **formats, int *count)
-{
-       DISPLAY_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
-       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP)) {
-               TDM_ERR("no pp capability");
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NO_CAPABILITY;
-       }
-
-       *formats = (const tbm_format *)private_display->caps_pp.formats;
-       *count = private_display->caps_pp.format_count;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_display_get_pp_available_size(tdm_display *dpy, int *min_w, int *min_h,
-                                  int *max_w, int *max_h, int *preferred_align)
-{
-       DISPLAY_FUNC_ENTRY();
-
-       pthread_mutex_lock(&private_display->lock);
-
-       if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_PP)) {
-               TDM_ERR("no pp capability");
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NO_CAPABILITY;
-       }
-
-       if (min_w)
-               *min_w = private_display->caps_pp.min_w;
-       if (min_h)
-               *min_h = private_display->caps_pp.min_h;
-       if (max_w)
-               *max_w = private_display->caps_pp.max_w;
-       if (max_h)
-               *max_h = private_display->caps_pp.max_h;
-       if (preferred_align)
-               *preferred_align = private_display->caps_pp.preferred_align;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_display_get_capture_capabilities(tdm_display *dpy,
-                                     tdm_capture_capability *capabilities)
-{
-       DISPLAY_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE)) {
-               TDM_ERR("no capture capability");
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NO_CAPABILITY;
-       }
-
-       *capabilities = private_display->caps_capture.capabilities;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_display_get_catpure_available_formats(tdm_display *dpy,
-                const tbm_format **formats, int *count)
-{
-       DISPLAY_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
-       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       if (!(private_display->capabilities & TDM_DISPLAY_CAPABILITY_CAPTURE)) {
-               TDM_ERR("no capture capability");
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NO_CAPABILITY;
-       }
-
-       *formats = (const tbm_format *)private_display->caps_capture.formats;
-       *count = private_display->caps_capture.format_count;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_display_get_output_count(tdm_display *dpy, int *count)
-{
-       tdm_private_output *private_output = NULL;
-
-       DISPLAY_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       *count = 0;
-       LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link)
-       (*count)++;
-
-       if (*count == 0) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
-       }
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-
-EXTERN tdm_output *
-tdm_display_get_output(tdm_display *dpy, int index, tdm_error *error)
-{
-       tdm_private_output *private_output = NULL;
-       int i = 0;
-
-       DISPLAY_FUNC_ENTRY_ERROR();
-
-       pthread_mutex_lock(&private_display->lock);
-
-       if (error)
-               *error = TDM_ERROR_NONE;
-
-       i = 0;
-       LIST_FOR_EACH_ENTRY(private_output, &private_display->output_list, link) {
-               if (i == index) {
-                       pthread_mutex_unlock(&private_display->lock);
-                       return private_output;
-               }
-               i++;
-       }
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return NULL;
-}
-
-EXTERN tdm_error
-tdm_display_get_fd(tdm_display *dpy, int *fd)
-{
-       tdm_func_display *func_display;
-       DISPLAY_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(fd != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       func_display = &private_display->func_display;
-
-       if (!func_display->display_get_fd) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
-       }
-
-       ret = func_display->display_get_fd(private_display->bdata, fd);
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_display_handle_events(tdm_display *dpy)
-{
-       tdm_func_display *func_display;
-       DISPLAY_FUNC_ENTRY();
-
-       pthread_mutex_lock(&private_display->lock);
-
-       func_display = &private_display->func_display;
-
-       if (!func_display->display_handle_events) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
-       }
-
-       ret = func_display->display_handle_events(private_display->bdata);
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_pp *
-tdm_display_create_pp(tdm_display *dpy, tdm_error *error)
-{
-       tdm_pp *pp;
-
-       DISPLAY_FUNC_ENTRY_ERROR();
-
-       pthread_mutex_lock(&private_display->lock);
-
-       pp = (tdm_pp *)tdm_pp_create_internal(private_display, error);
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return pp;
-}
-
-EXTERN tdm_error
-tdm_output_get_model_info(tdm_output *output, const char **maker,
-                          const char **model, const char **name)
-{
-       OUTPUT_FUNC_ENTRY();
-
-       pthread_mutex_lock(&private_display->lock);
-
-       if (maker)
-               *maker = private_output->caps.maker;
-       if (model)
-               *model = private_output->caps.model;
-       if (name)
-               *name = private_output->caps.name;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_output_get_conn_status(tdm_output *output, tdm_output_conn_status *status)
-{
-       OUTPUT_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(status != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       *status = private_output->caps.status;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_output_get_output_type(tdm_output *output, tdm_output_type *type)
-{
-       OUTPUT_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(type != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       *type = private_output->caps.type;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_output_get_layer_count(tdm_output *output, int *count)
-{
-       tdm_private_layer *private_layer = NULL;
-
-       OUTPUT_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       *count = 0;
-       LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link)
-       (*count)++;
-       if (*count == 0) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
-       }
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-
-EXTERN tdm_layer *
-tdm_output_get_layer(tdm_output *output, int index, tdm_error *error)
-{
-       tdm_private_layer *private_layer = NULL;
-       int i = 0;
-
-       OUTPUT_FUNC_ENTRY_ERROR();
-
-       pthread_mutex_lock(&private_display->lock);
-
-       if (error)
-               *error = TDM_ERROR_NONE;
-
-       LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
-               if (i == index) {
-                       pthread_mutex_unlock(&private_display->lock);
-                       return private_layer;
-               }
-               i++;
-       }
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return NULL;
-}
-
-EXTERN tdm_error
-tdm_output_get_available_properties(tdm_output *output, const tdm_prop **props,
-                                    int *count)
-{
-       OUTPUT_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
-       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       *props = (const tdm_prop *)private_output->caps.props;
-       *count = private_output->caps.prop_count;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_output_get_available_modes(tdm_output *output,
-                               const tdm_output_mode **modes, int *count)
-{
-       OUTPUT_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(modes != NULL, TDM_ERROR_INVALID_PARAMETER);
-       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       *modes = (const tdm_output_mode *)private_output->caps.modes;
-       *count = private_output->caps.mode_count;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_output_get_available_size(tdm_output *output, int *min_w, int *min_h,
-                              int *max_w, int *max_h, int *preferred_align)
-{
-       OUTPUT_FUNC_ENTRY();
-
-       pthread_mutex_lock(&private_display->lock);
-
-       if (min_w)
-               *min_w = private_output->caps.min_w;
-       if (min_h)
-               *min_h = private_output->caps.min_h;
-       if (max_w)
-               *max_w = private_output->caps.max_w;
-       if (max_h)
-               *max_h = private_output->caps.max_h;
-       if (preferred_align)
-               *preferred_align = private_output->caps.preferred_align;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_output_get_physical_size(tdm_output *output, unsigned int *mmWidth,
-                             unsigned int *mmHeight)
-{
-       OUTPUT_FUNC_ENTRY();
-
-       pthread_mutex_lock(&private_display->lock);
-
-       if (mmWidth)
-               *mmWidth = private_output->caps.mmWidth;
-       if (mmHeight)
-               *mmHeight = private_output->caps.mmHeight;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_output_get_subpixel(tdm_output *output, unsigned int *subpixel)
-{
-       OUTPUT_FUNC_ENTRY();
-       TDM_RETURN_VAL_IF_FAIL(subpixel != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       *subpixel = private_output->caps.subpixel;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_output_get_pipe(tdm_output *output, unsigned int *pipe)
-{
-       OUTPUT_FUNC_ENTRY();
-       TDM_RETURN_VAL_IF_FAIL(pipe != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       *pipe = private_output->pipe;
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-
-EXTERN tdm_error
-tdm_output_set_property(tdm_output *output, unsigned int id, tdm_value value)
-{
-       tdm_func_output *func_output;
-       OUTPUT_FUNC_ENTRY();
-
-       pthread_mutex_lock(&private_display->lock);
-
-       func_output = &private_display->func_output;
-
-       if (!func_output->output_set_property) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
-       }
-
-       ret = func_output->output_set_property(private_output->output_backend, id,
-                                              value);
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-EXTERN tdm_error
-tdm_output_get_property(tdm_output *output, unsigned int id, tdm_value *value)
-{
-       tdm_func_output *func_output;
-       OUTPUT_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
-
-       pthread_mutex_lock(&private_display->lock);
-
-       func_output = &private_display->func_output;
-
-       if (!func_output->output_get_property) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
-       }
-
-       ret = func_output->output_get_property(private_output->output_backend, id,
-                                              value);
-
-       pthread_mutex_unlock(&private_display->lock);
-
-       return ret;
-}
-
-static void
-_tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
-                      unsigned int tv_sec, unsigned int tv_usec, void *user_data)
-{
-       tdm_private_vblank_handler *vblank_handler = user_data;
-       tdm_private_display *private_display;
-
-       TDM_RETURN_IF_FAIL(vblank_handler);
-
-       private_display = vblank_handler->private_output->private_display;
-
-       if (vblank_handler->func) {
-               pthread_mutex_unlock(&private_display->lock);
-               vblank_handler->func(vblank_handler->private_output, sequence,
-                                    tv_sec, tv_usec, vblank_handler->user_data);
-               pthread_mutex_lock(&private_display->lock);
-       }
-
-       LIST_DEL(&vblank_handler->link);
-       free(vblank_handler);
-}
-
-static void
-_tdm_output_cb_commit(tdm_output *output_backend, unsigned int sequence,
-                      unsigned int tv_sec, unsigned int tv_usec, void *user_data)
-{
-       tdm_private_commit_handler *commit_handler = user_data;
-       tdm_private_display *private_display;
-       tdm_private_output *private_output;
-       tdm_private_layer *private_layer = NULL;
+       tdm_private_display *private_display; \
+       tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
+       TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER); \
+       private_display = (tdm_private_display*)dpy;
 
-       TDM_RETURN_IF_FAIL(commit_handler);
+#define DISPLAY_FUNC_ENTRY_ERROR() \
+       tdm_private_display *private_display; \
+       tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
+       TDM_RETURN_VAL_IF_FAIL_WITH_ERROR(dpy != NULL, TDM_ERROR_INVALID_PARAMETER, NULL); \
+       private_display = (tdm_private_display*)dpy;
+
+#define BACKEND_FUNC_ENTRY() \
+       tdm_private_module *private_module; \
+       tdm_private_display *private_display; \
+       tdm_error ret = TDM_ERROR_NONE; /* default TDM_ERROR_NONE */\
+       TDM_RETURN_VAL_IF_FAIL(module != NULL, TDM_ERROR_INVALID_PARAMETER); \
+       private_module = (tdm_private_module*)module; \
+       private_display = private_module->private_display;
+
+/* LCOV_EXCL_START */
+INTERN tdm_error
+tdm_display_enable_debug_module(const char*modules)
+{
+       char temp[TDM_PATH_LEN];
+       char *arg;
+       char *end;
+
+       snprintf(temp, TDM_PATH_LEN, "%s", modules);
+
+       tdm_debug_module = 0;
+
+       arg = strtok_r(temp, TDM_CONFIG_DELIM, &end);
+       while (arg) {
+               if (!strncmp(arg, "none", 4)) {
+                       tdm_debug_module = 0;
+                       return TDM_ERROR_NONE;
+               }
+               if (!strncmp(arg, "all", 3)) {
+                       tdm_debug_module = 0xFFFFFFFF;
+                       return TDM_ERROR_NONE;
+               }
+               if (!strncmp(arg, "buffer", 6))
+                       tdm_debug_module |= TDM_DEBUG_BUFFER;
+               else if (!strncmp(arg, "event", 5))
+                       tdm_debug_module |= TDM_DEBUG_EVENT;
+               else if (!strncmp(arg, "thread", 6))
+                       tdm_debug_module |= TDM_DEBUG_THREAD;
+               else if (!strncmp(arg, "mutex", 5))
+                       tdm_debug_module |= TDM_DEBUG_MUTEX;
+               else if (!strncmp(arg, "vblank", 6))
+                       tdm_debug_module |= TDM_DEBUG_VBLANK;
+               else if (!strncmp(arg, "commit", 6))
+                       tdm_debug_module |= TDM_DEBUG_COMMIT;
+
+               arg = strtok_r(NULL, TDM_CONFIG_DELIM, &end);
+       }
+
+       TDM_INFO("module debugging... '%s'", modules);
+
+       return TDM_ERROR_NONE;
+}
+
+INTERN tdm_error
+tdm_display_enable_dump(tdm_private_display *private_display, const char *dump_str, char *reply, int *len)
+{
+       char temp[TDM_PATH_LEN] = {0,}, temp2[TDM_PATH_LEN] = {0,};
+       char *path = NULL, *path2;
+       char *arg;
+       char *end;
+
+       snprintf(temp2, TDM_PATH_LEN, "%s", dump_str);
+       path2 = strtostr(temp, TDM_PATH_LEN, temp2, "@");
+       if (!path2 || path2[0] == '\0')
+               path2 = TDM_DUMP_DIR;
+       else
+               path2++;
+
+       tdm_debug_dump = 0;
+
+       snprintf(temp, sizeof(temp), "%s", dump_str);
+       arg = strtok_r(temp, ",", &end);
+       TDM_GOTO_IF_FAIL(arg != NULL, done);
+
+       if (!strncmp(arg, "none", 4)) {
+               tdm_debug_dump = 0;
+               TDM_SNPRINTF(reply, len, "path: %s\n", (tdm_debug_dump_dir) ? : "unknown");
+               if (tdm_debug_dump_dir) {
+                       free(tdm_debug_dump_dir);
+                       tdm_debug_dump_dir = NULL;
+               }
+               goto done;
+       }
 
-       private_output = commit_handler->private_output;
-       private_display = private_output->private_display;
+       path = tdm_helper_dump_make_directory(path2, reply, len);
+       TDM_GOTO_IF_FAIL(path != NULL, done);
 
-       LIST_FOR_EACH_ENTRY(private_layer, &private_output->layer_list, link) {
-               if (!private_layer->waiting_buffer)
-                       continue;
+       if (!strncmp(arg, "current", 7)) {
+               tdm_private_module *b = NULL;
+               tdm_private_output *o = NULL;
 
-               if (private_layer->showing_buffer) {
-                       pthread_mutex_unlock(&private_display->lock);
-                       tdm_buffer_unref_backend(private_layer->showing_buffer);
-                       pthread_mutex_lock(&private_display->lock);
+               if (!private_display) {
+                       TDM_WRN("no private_display");
+                       goto done;
+               }
 
-                       if (private_layer->buffer_queue) {
-                               pthread_mutex_unlock(&private_display->lock);
-                               tbm_surface_queue_release(private_layer->buffer_queue,
-                                                         private_layer->showing_buffer);
-                               pthread_mutex_lock(&private_display->lock);
+               LIST_FOR_EACH_ENTRY(b, &private_display->module_list, link) {
+                       LIST_FOR_EACH_ENTRY(o, &b->output_list, link) {
+                               tdm_private_layer *l = NULL;
+                               LIST_FOR_EACH_ENTRY(l, &o->layer_list, link) {
+                                       char str[TDM_PATH_LEN];
+                                       if (l->usable || l->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)
+                                               continue;
+                                       if (!l->showing_buffer)
+                                               continue;
+                                       snprintf(str, TDM_PATH_LEN, "layer_%d_%d", o->index, l->index);
+                                       tdm_helper_dump_buffer_str(l->showing_buffer->buffer, path, str);
+                               }
                        }
                }
 
-               private_layer->showing_buffer = private_layer->waiting_buffer;
-               private_layer->waiting_buffer = NULL;
-
-               if (tdm_debug_buffer)
-                       TDM_INFO("layer(%p) waiting_buffer(%p) showing_buffer(%p)",
-                                private_layer, private_layer->waiting_buffer,
-                                private_layer->showing_buffer);
+               TDM_SNPRINTF(reply, len, "path: %s\n", path);
+               goto done;
        }
 
-       if (commit_handler->func) {
-               pthread_mutex_unlock(&private_display->lock);
-               commit_handler->func(private_output, sequence,
-                                    tv_sec, tv_usec, commit_handler->user_data);
-               pthread_mutex_lock(&private_display->lock);
-       }
-
-       LIST_DEL(&commit_handler->link);
-       free(commit_handler);
-}
-
-EXTERN tdm_error
-tdm_output_wait_vblank(tdm_output *output, int interval, int sync,
-                       tdm_output_vblank_handler func, void *user_data)
-{
-       tdm_func_output *func_output;
-       tdm_private_vblank_handler *vblank_handler;
-       OUTPUT_FUNC_ENTRY();
-
-       pthread_mutex_lock(&private_display->lock);
-
-       func_output = &private_display->func_output;
+       TDM_SNPRINTF(reply, len, "dump: %s\n", arg);
 
-       if (!func_output->output_wait_vblank) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
-       }
+       while (arg) {
+               if (!strncmp(arg, "all", 3)) {
+                       tdm_debug_dump = 0xFFFFFFFF;
+                       goto done;
+               } else if (!strncmp(arg, "layer", 5)) {
+                       tdm_debug_dump |= TDM_DUMP_FLAG_LAYER;
+               } else if (!strncmp(arg, "pp", 2)) {
+                       tdm_debug_dump |= TDM_DUMP_FLAG_PP;
+               } else if (!strncmp(arg, "capture", 7)) {
+                       tdm_debug_dump |= TDM_DUMP_FLAG_CAPTURE;
+               } else if (!strncmp(arg, "window", 6)) {
+                       tdm_debug_dump |= TDM_DUMP_FLAG_WINDOW;
+               } else
+                       goto done;
 
-       vblank_handler = calloc(1, sizeof(tdm_private_vblank_handler));
-       if (!vblank_handler) {
-               TDM_ERR("failed: alloc memory");
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_OUT_OF_MEMORY;
+               arg = strtok_r(NULL, ",", &end);
        }
 
-       LIST_ADD(&vblank_handler->link, &private_output->vblank_handler_list);
-       vblank_handler->private_output = private_output;
-       vblank_handler->func = func;
-       vblank_handler->user_data = user_data;
+       if (tdm_debug_dump_dir)
+               free(tdm_debug_dump_dir);
 
-       ret = func_output->output_wait_vblank(private_output->output_backend, interval,
-                                             sync, vblank_handler);
-       if (ret != TDM_ERROR_NONE) {
-               pthread_mutex_unlock(&private_display->lock);
-               return ret;
-       }
+       tdm_debug_dump_dir = strndup(path, TDM_PATH_LEN);
 
-       if (!private_output->regist_vblank_cb) {
-               private_output->regist_vblank_cb = 1;
-               ret = func_output->output_set_vblank_handler(private_output->output_backend,
-                               _tdm_output_cb_vblank);
-       }
+       TDM_INFO("dump... '%s'", dump_str);
 
-       pthread_mutex_unlock(&private_display->lock);
+done:
+       if (path)
+               free(path);
 
-       return ret;
+       return TDM_ERROR_NONE;
 }
 
-static tdm_error
-_tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
-                   void *user_data)
+static void
+_tdm_display_ttrace_vblank_cb(tdm_vblank *vblank, tdm_error error, unsigned int sequence,
+                                                         unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 {
-       tdm_func_output *func_output;
-       tdm_private_commit_handler *commit_handler;
-       OUTPUT_FUNC_ENTRY();
+       tdm_error ret = TDM_ERROR_NONE;
 
-       func_output = &private_display->func_output;
+       TDM_TRACE_MARK("VSYNC");
+
+       ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
+       TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
+}
 
-       if (!func_output->output_commit) {
+INTERN tdm_error
+tdm_display_enable_ttrace_vblank(tdm_display *dpy, tdm_output *output, int enable)
+{
+       tdm_private_display *private_display = dpy;
+       tdm_private_module *private_module = NULL;
+       tdm_private_output *private_output = NULL;
+       const tdm_output_mode *mode = NULL;
+       tdm_vblank *vblank = NULL;
+       tdm_error ret = TDM_ERROR_NONE;
+
+       if (!enable) {
+               LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
+                       LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
+                               if (private_output->ttrace_vblank)
+                                       tdm_vblank_destroy(private_output->ttrace_vblank);
+                               private_output->ttrace_vblank = NULL;
+                       }
+               }
                return TDM_ERROR_NONE;
        }
 
-       commit_handler = calloc(1, sizeof(tdm_private_commit_handler));
-       if (!commit_handler) {
-               TDM_ERR("failed: alloc memory");
-               return TDM_ERROR_OUT_OF_MEMORY;
-       }
+       private_output = output;
+       TDM_RETURN_VAL_IF_FAIL(private_output != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       LIST_ADD(&commit_handler->link, &private_output->commit_handler_list);
-       commit_handler->private_output = private_output;
-       commit_handler->func = func;
-       commit_handler->user_data = user_data;
+       if (private_output->ttrace_vblank)
+               return TDM_ERROR_NONE;
 
-       ret = func_output->output_commit(private_output->output_backend, sync,
-                                        commit_handler);
-       TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
+       vblank = tdm_vblank_create(private_display, output, &ret);
+       TDM_RETURN_VAL_IF_FAIL(vblank != NULL, ret);
 
-       if (!private_output->regist_commit_cb) {
-               private_output->regist_commit_cb = 1;
-               ret = func_output->output_set_commit_handler(private_output->output_backend,
-                               _tdm_output_cb_commit);
-       }
+       ret = tdm_output_get_mode(output, &mode);
+       TDM_GOTO_IF_FAIL(mode != NULL, enable_fail);
 
-       return ret;
-}
+       ret = tdm_vblank_set_fps(vblank, mode->vrefresh);
+       TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
 
-EXTERN tdm_error
-tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
-                  void *user_data)
-{
-       OUTPUT_FUNC_ENTRY();
+       ret = tdm_vblank_set_enable_fake(vblank, 1);
+       TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
 
-       pthread_mutex_lock(&private_display->lock);
+       ret = tdm_vblank_wait(vblank, 0, 0, 1, _tdm_display_ttrace_vblank_cb, NULL);
+       TDM_GOTO_IF_FAIL(ret == TDM_ERROR_NONE, enable_fail);
 
-       ret = _tdm_output_commit(output, sync, func, user_data);
+       private_output->ttrace_vblank = vblank;
 
-       pthread_mutex_unlock(&private_display->lock);
+       return TDM_ERROR_NONE;
+
+enable_fail:
+       if (vblank)
+               tdm_vblank_destroy(vblank);
 
        return ret;
 }
 
-EXTERN tdm_error
-tdm_output_set_mode(tdm_output *output, const tdm_output_mode *mode)
+INTERN tdm_error
+tdm_display_enable_ttrace(tdm_private_display *private_display, const char *ttrace, int output_id, char *reply, int *len)
 {
-       tdm_func_output *func_output;
-       OUTPUT_FUNC_ENTRY();
+       char temp[TDM_PATH_LEN];
+       char *arg;
+       char *end;
+       tdm_output *output;
+       tdm_error ret;
+       tdm_output_type type;
 
-       TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
+       snprintf(temp, TDM_PATH_LEN, "%s", ttrace);
 
-       pthread_mutex_lock(&private_display->lock);
+       tdm_ttrace_output = output_id;
+       tdm_ttrace_module = 0;
 
-       func_output = &private_display->func_output;
-
-       if (!func_output->output_set_mode) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+       output = tdm_display_get_output(private_display, output_id, &ret);
+       if (!output) {
+               TDM_SNPRINTF(reply, len, "can't find the output_id(%d)\n", output_id);
+               return ret;
        }
 
-       ret = func_output->output_set_mode(private_output->output_backend, mode);
-
-       pthread_mutex_unlock(&private_display->lock);
+       ret = tdm_output_get_output_type(output, &type);
+       if (ret != TDM_ERROR_NONE) {
+               TDM_SNPRINTF(reply, len, "can't find the type of output_id(%d)\n", output_id);
+               return ret;
+       }
 
-       return ret;
-}
+       arg = strtok_r(temp, TDM_CONFIG_DELIM, &end);
+       while (arg) {
+               if (!strncmp(arg, "none", 4))
+                       tdm_ttrace_module = 0;
+               else if (!strncmp(arg, "all", 3))
+                       tdm_ttrace_module = 0xFFFFFFFF;
+               else if (!strncmp(arg, "vsync", 5))
+                       tdm_ttrace_module |= TDM_TTRACE_VSYNC;
+               else if (!strncmp(arg, "client_vblank", 13))
+                       tdm_ttrace_module |= TDM_TTRACE_CLIENT_VBLANK;
+               else if (!strncmp(arg, "server_vblank", 13))
+                       tdm_ttrace_module |= TDM_TTRACE_SERVER_VBLANK;
+               else if (!strncmp(arg, "vblank", 6))
+                       tdm_ttrace_module |= TDM_TTRACE_VBLANK;
+               else if (!strncmp(arg, "layer", 5))
+                       tdm_ttrace_module |= TDM_TTRACE_LAYER;
+               else if (!strncmp(arg, "pp", 2))
+                       tdm_ttrace_module |= TDM_TTRACE_PP;
+               else if (!strncmp(arg, "capture", 7))
+                       tdm_ttrace_module |= TDM_TTRACE_CAPTURE;
+               else  {
+                       tdm_ttrace_module = 0;
+                       tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
+                       tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
+                       TDM_SNPRINTF(reply, len, "unknown option: '%s'\n", arg);
+                       return TDM_ERROR_NONE;
+               }
 
-EXTERN tdm_error
-tdm_output_get_mode(tdm_output *output, const tdm_output_mode **mode)
-{
-       tdm_func_output *func_output;
-       OUTPUT_FUNC_ENTRY();
+               arg = strtok_r(NULL, TDM_CONFIG_DELIM, &end);
+       }
 
-       TDM_RETURN_VAL_IF_FAIL(mode != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_SNPRINTF(reply, len, "ttrace debugging... '%s' %x\n", ttrace, tdm_ttrace_module);
 
-       pthread_mutex_lock(&private_display->lock);
+       if (tdm_ttrace_module & TDM_TTRACE_VSYNC)
+               tdm_display_enable_ttrace_vblank(private_display, output, 1);
+       else
+               tdm_display_enable_ttrace_vblank(private_display, NULL, 0);
 
-       func_output = &private_display->func_output;
+       if (tdm_ttrace_module & TDM_TTRACE_CLIENT_VBLANK)
+               tdm_server_enable_ttrace_client_vblank(private_display, output, 1);
+       else
+               tdm_server_enable_ttrace_client_vblank(private_display, NULL, 0);
 
-       if (!func_output->output_get_mode) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
-       }
+       return TDM_ERROR_NONE;
+}
 
-       ret = func_output->output_get_mode(private_output->output_backend, mode);
+INTERN tdm_error
+tdm_display_enable_fps(tdm_private_display *private_display, int enable)
+{
+       private_display->print_fps = enable;
 
-       pthread_mutex_unlock(&private_display->lock);
+       TDM_INFO("print fps: %s", (enable) ? "enable" : "disable");
 
-       return ret;
+       return TDM_ERROR_NONE;
 }
+/* LCOV_EXCL_STOP */
 
-EXTERN tdm_error
-tdm_output_set_dpms(tdm_output *output, tdm_output_dpms dpms_value)
+INTERN tdm_error
+tdm_display_call_thread_cb_output_create(tdm_private_display *private_display, tdm_output *output)
 {
-       tdm_func_output *func_output;
-       OUTPUT_FUNC_ENTRY();
+       tdm_thread_cb_display_output_create output_create;
+       tdm_error ret;
 
-       if (dpms_value < TDM_OUTPUT_DPMS_ON)
-               dpms_value = TDM_OUTPUT_DPMS_ON;
-       else if (dpms_value > TDM_OUTPUT_DPMS_OFF)
-               dpms_value = TDM_OUTPUT_DPMS_OFF;
+       if (LIST_IS_EMPTY(&private_display->output_create_handler_list)) return TDM_ERROR_NONE;
 
-       pthread_mutex_lock(&private_display->lock);
+       memset(&output_create, 0, sizeof output_create);
+       output_create.base.type = TDM_THREAD_CB_DISPLAY_OUTPUT_CREATE;
+       output_create.base.length = sizeof output_create;
+       output_create.base.object_stamp = tdm_helper_get_time();
+       output_create.base.data = NULL;
+       output_create.base.sync = 1;
+       output_create.output = output;
 
-       func_output = &private_display->func_output;
+       ret = tdm_thread_cb_call(private_display, &output_create.base, 1);
+       TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 
-       if (!func_output->output_set_dpms) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
-       }
+       return TDM_ERROR_NONE;
+}
 
-       ret = func_output->output_set_dpms(private_output->output_backend, dpms_value);
+INTERN void
+tdm_display_thread_cb_output_create(tdm_private_display *private_display, void *object, tdm_thread_cb_base *cb_base, void *user_data)
+{
+       tdm_thread_cb_display_output_create *output_create = (tdm_thread_cb_display_output_create*)cb_base;
+       tdm_private_output_create_handler *create_handler = user_data;
+       TDM_RETURN_IF_FAIL(TDM_MUTEX_IS_LOCKED());
 
-       pthread_mutex_unlock(&private_display->lock);
+       assert(create_handler->owner_tid == syscall(SYS_gettid));
 
-       return ret;
+       _pthread_mutex_unlock(&private_display->lock);
+       create_handler->func(private_display, output_create->output, create_handler->user_data);
+       _pthread_mutex_lock(&private_display->lock);
 }
 
 EXTERN tdm_error
-tdm_output_get_dpms(tdm_output *output, tdm_output_dpms *dpms_value)
+tdm_display_add_output_create_handler(tdm_display *dpy,
+                                                                         tdm_output_create_handler func,
+                                                                         void *user_data)
 {
-       tdm_func_output *func_output;
-       OUTPUT_FUNC_ENTRY();
+       tdm_private_output_create_handler *create_handler = NULL;
 
-       TDM_RETURN_VAL_IF_FAIL(dpms_value != NULL, TDM_ERROR_INVALID_PARAMETER);
+       DISPLAY_FUNC_ENTRY();
 
-       pthread_mutex_lock(&private_display->lock);
+       TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       func_output = &private_display->func_output;
+       _pthread_mutex_lock(&private_display->lock);
 
-       if (!func_output->output_get_dpms) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+       LIST_FOR_EACH_ENTRY(create_handler, &private_display->output_create_handler_list, link) {
+               if (create_handler->func == func && create_handler->user_data == user_data) {
+                       TDM_ERR("can't add twice");
+                       _pthread_mutex_unlock(&private_display->lock);
+                       return TDM_ERROR_BAD_REQUEST;
+               }
        }
 
-       ret = func_output->output_get_dpms(private_output->output_backend, dpms_value);
+       create_handler = calloc(1, sizeof(tdm_private_output_create_handler));
+       if (!create_handler) {
+               TDM_ERR("failed: alloc memory");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_OUT_OF_MEMORY;
+       }
+
+       ret = tdm_thread_cb_add(private_display, TDM_THREAD_CB_DISPLAY_OUTPUT_CREATE, NULL,
+                                                       tdm_display_thread_cb_output_create, create_handler);
+       if (ret != TDM_ERROR_NONE) {
+               TDM_ERR("tdm_thread_cb_add failed");
+               free(create_handler);
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_OPERATION_FAILED;
+       }
+
+       create_handler->private_display = private_display;
+       create_handler->func = func;
+       create_handler->user_data = user_data;
+       create_handler->owner_tid = syscall(SYS_gettid);
+
+       LIST_ADDTAIL(&create_handler->link, &private_display->output_create_handler_list);
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
 
-EXTERN tdm_capture *
-tdm_output_create_capture(tdm_output *output, tdm_error *error)
+EXTERN void
+tdm_display_remove_output_create_handler(tdm_display *dpy,
+                                                                                tdm_output_create_handler func,
+                                                                                void *user_data)
 {
-       tdm_capture *capture = NULL;
-
-       OUTPUT_FUNC_ENTRY_ERROR();
-
-       pthread_mutex_lock(&private_display->lock);
+       tdm_private_display *private_display;
+       tdm_private_output_create_handler *create_handler = NULL, *hh = NULL;
 
-       capture = (tdm_capture *)tdm_capture_create_output_internal(private_output,
-                       error);
+       TDM_RETURN_IF_FAIL(dpy != NULL);
+       TDM_RETURN_IF_FAIL(func != NULL);
 
-       pthread_mutex_unlock(&private_display->lock);
+       private_display = (tdm_private_display*)dpy;
 
-       return capture;
-}
+       _pthread_mutex_lock(&private_display->lock);
 
-EXTERN tdm_error
-tdm_layer_get_capabilities(tdm_layer *layer, tdm_layer_capability *capabilities)
-{
-       LAYER_FUNC_ENTRY();
+       LIST_FOR_EACH_ENTRY_SAFE(create_handler, hh, &private_display->output_create_handler_list, link) {
+               if (create_handler->func != func || create_handler->user_data != user_data)
+                       continue;
 
-       TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
+               tdm_thread_cb_remove(private_display, TDM_THREAD_CB_DISPLAY_OUTPUT_CREATE, NULL,
+                                                        tdm_display_thread_cb_output_create, create_handler);
 
-       pthread_mutex_lock(&private_display->lock);
+               LIST_DEL(&create_handler->link);
+               free(create_handler);
 
-       *capabilities = private_layer->caps.capabilities;
+               _pthread_mutex_unlock(&private_display->lock);
 
-       pthread_mutex_unlock(&private_display->lock);
+               return;
+       }
 
-       return ret;
+       _pthread_mutex_unlock(&private_display->lock);
 }
 
 EXTERN tdm_error
-tdm_layer_get_available_formats(tdm_layer *layer, const tbm_format **formats,
-                                int *count)
+tdm_display_get_capabilities(tdm_display *dpy,
+                                                        tdm_display_capability *capabilities)
 {
-       LAYER_FUNC_ENTRY();
+       tdm_private_module *private_module = NULL;
 
-       TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
-       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
+       DISPLAY_FUNC_ENTRY();
+
+       TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
+
+       _pthread_mutex_lock(&private_display->lock);
 
-       pthread_mutex_lock(&private_display->lock);
+       *capabilities = 0;
 
-       *formats = (const tbm_format *)private_layer->caps.formats;
-       *count = private_layer->caps.format_count;
+       LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
+               *capabilities |= private_module->capabilities;
+       }
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
 
 EXTERN tdm_error
-tdm_layer_get_available_properties(tdm_layer *layer, const tdm_prop **props,
-                                   int *count)
+tdm_display_get_pp_capabilities(tdm_display *dpy,
+                                                               tdm_pp_capability *capabilities)
 {
-       LAYER_FUNC_ENTRY();
+       tdm_private_module *pp_module;
 
-       TDM_RETURN_VAL_IF_FAIL(props != NULL, TDM_ERROR_INVALID_PARAMETER);
-       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
+       DISPLAY_FUNC_ENTRY();
+
+       TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-       *props = (const tdm_prop *)private_layer->caps.props;
-       *count = private_layer->caps.prop_count;
+       if (!private_display->pp_module) {
+               /* LCOV_EXCL_START */
+               TDM_ERR("no pp capability");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NO_CAPABILITY;
+               /* LCOV_EXCL_STOP */
+       }
+
+       pp_module = private_display->pp_module;
 
-       pthread_mutex_unlock(&private_display->lock);
+       *capabilities = pp_module->caps_pp.capabilities;
+
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
 
 EXTERN tdm_error
-tdm_layer_get_zpos(tdm_layer *layer, unsigned int *zpos)
+tdm_display_get_pp_available_formats(tdm_display *dpy,
+                                                                        const tbm_format **formats, int *count)
 {
-       LAYER_FUNC_ENTRY();
+       tdm_private_module *pp_module;
+
+       DISPLAY_FUNC_ENTRY();
 
-       TDM_RETURN_VAL_IF_FAIL(zpos != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
+
+       _pthread_mutex_lock(&private_display->lock);
+
+       if (!private_display->pp_module) {
+               /* LCOV_EXCL_START */
+               TDM_ERR("no pp capability");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NO_CAPABILITY;
+               /* LCOV_EXCL_STOP */
+       }
 
-       pthread_mutex_lock(&private_display->lock);
+       pp_module = private_display->pp_module;
 
-       *zpos = private_layer->caps.zpos;
+       *formats = (const tbm_format *)pp_module->caps_pp.formats;
+       *count = pp_module->caps_pp.format_count;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
 
 EXTERN tdm_error
-tdm_layer_set_property(tdm_layer *layer, unsigned int id, tdm_value value)
+tdm_display_get_pp_available_size(tdm_display *dpy, int *min_w, int *min_h,
+                                                                 int *max_w, int *max_h, int *preferred_align)
 {
-       tdm_func_layer *func_layer;
-       LAYER_FUNC_ENTRY();
+       tdm_private_module *pp_module;
 
-       pthread_mutex_lock(&private_display->lock);
+       DISPLAY_FUNC_ENTRY();
 
-       func_layer = &private_display->func_layer;
+       _pthread_mutex_lock(&private_display->lock);
 
-       if (!func_layer->layer_set_property) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+       if (!private_display->pp_module) {
+               /* LCOV_EXCL_START */
+               TDM_ERR("no pp capability");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NO_CAPABILITY;
+               /* LCOV_EXCL_STOP */
        }
 
-       ret = func_layer->layer_set_property(private_layer->layer_backend, id, value);
+       pp_module = private_display->pp_module;
+
+       if (min_w)
+               *min_w = TDM_FRONT_VALUE(pp_module->caps_pp.min_w);
+       if (min_h)
+               *min_h = TDM_FRONT_VALUE(pp_module->caps_pp.min_h);
+       if (max_w)
+               *max_w = TDM_FRONT_VALUE(pp_module->caps_pp.max_w);
+       if (max_h)
+               *max_h = TDM_FRONT_VALUE(pp_module->caps_pp.max_h);
+       if (preferred_align)
+               *preferred_align = TDM_FRONT_VALUE(pp_module->caps_pp.preferred_align);
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
 
 EXTERN tdm_error
-tdm_layer_get_property(tdm_layer *layer, unsigned int id, tdm_value *value)
+tdm_display_get_capture_capabilities(tdm_display *dpy,
+                                                                        tdm_capture_capability *capabilities)
 {
-       tdm_func_layer *func_layer;
-       LAYER_FUNC_ENTRY();
+       tdm_private_module *capture_module;
 
-       TDM_RETURN_VAL_IF_FAIL(value != NULL, TDM_ERROR_INVALID_PARAMETER);
+       DISPLAY_FUNC_ENTRY();
 
-       pthread_mutex_lock(&private_display->lock);
+       TDM_RETURN_VAL_IF_FAIL(capabilities != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       func_layer = &private_display->func_layer;
+       _pthread_mutex_lock(&private_display->lock);
 
-       if (!func_layer->layer_get_property) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+       if (!private_display->capture_module) {
+               /* LCOV_EXCL_START */
+               TDM_ERR("no capture capability");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NO_CAPABILITY;
+               /* LCOV_EXCL_STOP */
        }
 
-       ret = func_layer->layer_get_property(private_layer->layer_backend, id, value);
+       capture_module = private_display->capture_module;
 
-       pthread_mutex_unlock(&private_display->lock);
+       *capabilities = capture_module->caps_capture.capabilities;
+
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
 
 EXTERN tdm_error
-tdm_layer_set_info(tdm_layer *layer, tdm_info_layer *info)
+tdm_display_get_capture_available_formats(tdm_display *dpy,
+               const tbm_format **formats, int *count)
 {
-       tdm_func_layer *func_layer;
-       LAYER_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
+       tdm_private_module *capture_module;
 
-       pthread_mutex_lock(&private_display->lock);
+       DISPLAY_FUNC_ENTRY();
 
-       func_layer = &private_display->func_layer;
+       TDM_RETURN_VAL_IF_FAIL(formats != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       private_layer->usable = 0;
+       _pthread_mutex_lock(&private_display->lock);
 
-       if (!func_layer->layer_set_info) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+       if (!private_display->capture_module) {
+               /* LCOV_EXCL_START */
+               TDM_ERR("no capture capability");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NO_CAPABILITY;
+               /* LCOV_EXCL_STOP */
        }
 
-       TDM_INFO("layer(%p) info: src(%dx%d %d,%d %dx%d %c%c%c%c) dst(%d,%d %dx%d) trans(%d)",
-                private_layer, info->src_config.size.h, info->src_config.size.v,
-                info->src_config.pos.x, info->src_config.pos.y,
-                info->src_config.pos.w, info->src_config.pos.h,
-                FOURCC_STR(info->src_config.format),
-                info->dst_pos.x, info->dst_pos.y,
-                info->dst_pos.w, info->dst_pos.h,
-                info->transform);
+       capture_module = private_display->capture_module;
 
-       ret = func_layer->layer_set_info(private_layer->layer_backend, info);
-       TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
+       *formats = (const tbm_format *)capture_module->caps_capture.formats;
+       *count = capture_module->caps_capture.format_count;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
 
 EXTERN tdm_error
-tdm_layer_get_info(tdm_layer *layer, tdm_info_layer *info)
+tdm_display_get_capture_available_size(tdm_display *dpy, int *min_w, int *min_h,
+                                                                          int *max_w, int *max_h, int *preferred_align)
 {
-       tdm_func_layer *func_layer;
-       LAYER_FUNC_ENTRY();
-
-       TDM_RETURN_VAL_IF_FAIL(info != NULL, TDM_ERROR_INVALID_PARAMETER);
+       tdm_private_module *capture_module;
 
-       pthread_mutex_lock(&private_display->lock);
+       DISPLAY_FUNC_ENTRY();
 
-       func_layer = &private_display->func_layer;
+       _pthread_mutex_lock(&private_display->lock);
 
-       if (!func_layer->layer_get_info) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+       if (!private_display->capture_module) {
+               /* LCOV_EXCL_START */
+               TDM_ERR("no capture capability");
+               _pthread_mutex_unlock(&private_display->lock);
+               return TDM_ERROR_NO_CAPABILITY;
+               /* LCOV_EXCL_STOP */
        }
 
-       ret = func_layer->layer_get_info(private_layer->layer_backend, info);
+       capture_module = private_display->capture_module;
+
+       if (min_w)
+               *min_w = TDM_FRONT_VALUE(capture_module->caps_capture.min_w);
+       if (min_h)
+               *min_h = TDM_FRONT_VALUE(capture_module->caps_capture.min_h);
+       if (max_w)
+               *max_w = TDM_FRONT_VALUE(capture_module->caps_capture.max_w);
+       if (max_h)
+               *max_h = TDM_FRONT_VALUE(capture_module->caps_capture.max_h);
+       if (preferred_align)
+               *preferred_align = TDM_FRONT_VALUE(capture_module->caps_capture.preferred_align);
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
 
 EXTERN tdm_error
-tdm_layer_set_buffer(tdm_layer *layer, tbm_surface_h buffer)
+tdm_display_get_max_layer_count(tdm_display *dpy, int *max_count)
 {
-       tdm_func_layer *func_layer;
+       TDM_RETURN_VAL_IF_FAIL(dpy != NULL, TDM_ERROR_INVALID_PARAMETER);
+       TDM_RETURN_VAL_IF_FAIL(max_count != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       LAYER_FUNC_ENTRY();
+       TDM_DEPRECATED(NULL);
 
-       TDM_RETURN_VAL_IF_FAIL(buffer != NULL, TDM_ERROR_INVALID_PARAMETER);
+       *max_count = -1;
 
-       pthread_mutex_lock(&private_display->lock);
+       return TDM_ERROR_NONE;
+}
 
-       func_layer = &private_display->func_layer;
+EXTERN tdm_error
+tdm_display_get_output_count(tdm_display *dpy, int *count)
+{
+       tdm_private_module *private_module = NULL;
+       tdm_private_output *private_output = NULL;
 
-       private_layer->usable = 0;
+       DISPLAY_FUNC_ENTRY();
 
-       if (!func_layer->layer_set_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
-       }
+       TDM_RETURN_VAL_IF_FAIL(count != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       ret = func_layer->layer_set_buffer(private_layer->layer_backend, buffer);
-       TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
+       _pthread_mutex_lock(&private_display->lock);
 
-       if (ret == TDM_ERROR_NONE) {
-               /* FIXME: should save to pending_buffer first. And after committing
-                * successfully, need to move to waiting_buffer.
-                */
-               if (private_layer->waiting_buffer) {
-                       pthread_mutex_unlock(&private_display->lock);
-                       tdm_buffer_unref_backend(private_layer->waiting_buffer);
-                       pthread_mutex_lock(&private_display->lock);
+       *count = 0;
+       LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
+               LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
+                       (*count)++;
                }
-
-               private_layer->waiting_buffer = tdm_buffer_ref_backend(buffer);
-               if (tdm_debug_buffer)
-                       TDM_INFO("layer(%p) waiting_buffer(%p)",
-                                private_layer, private_layer->waiting_buffer);
        }
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
 
-EXTERN tdm_error
-tdm_layer_unset_buffer(tdm_layer *layer)
+
+EXTERN tdm_output *
+tdm_display_get_output(tdm_display *dpy, int index, tdm_error *error)
 {
-       tdm_func_layer *func_layer;
-       LAYER_FUNC_ENTRY();
+       tdm_private_module *private_module = NULL;
+       tdm_private_output *private_output = NULL;
 
-       pthread_mutex_lock(&private_display->lock);
+       DISPLAY_FUNC_ENTRY_ERROR();
 
-       func_layer = &private_display->func_layer;
+       _pthread_mutex_lock(&private_display->lock);
 
-       if (private_layer->waiting_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
-               tdm_buffer_unref_backend(private_layer->waiting_buffer);
-               pthread_mutex_lock(&private_display->lock);
-               private_layer->waiting_buffer = NULL;
+       if (error)
+               *error = TDM_ERROR_NONE;
 
-               if (tdm_debug_buffer)
-                       TDM_INFO("layer(%p) waiting_buffer(%p)",
-                                private_layer, private_layer->waiting_buffer);
+       LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
+               LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
+                       if (private_output->index == index) {
+                               _pthread_mutex_unlock(&private_display->lock);
+                               return private_output;
+                       }
+               }
        }
 
-       if (private_layer->showing_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
-               tdm_buffer_unref_backend(private_layer->showing_buffer);
-               pthread_mutex_lock(&private_display->lock);
-               private_layer->showing_buffer = NULL;
+       _pthread_mutex_unlock(&private_display->lock);
 
-               if (tdm_debug_buffer)
-                       TDM_INFO("layer(%p) showing_buffer(%p)",
-                                private_layer, private_layer->showing_buffer);
-       }
+       return NULL;
+}
 
-       private_layer->usable = 1;
+EXTERN tdm_output *
+tdm_display_find_output(tdm_display *dpy, const char *name, tdm_error *error)
+{
+       tdm_private_module *private_module = NULL;
+       tdm_private_output *private_output = NULL;
+       tdm_private_output *mode_setted_output = NULL;
+       tdm_private_output *connected_output = NULL;
+       unsigned int find_primary = 0;
 
-       if (!func_layer->layer_unset_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
-       }
+       DISPLAY_FUNC_ENTRY_ERROR();
 
-       ret = func_layer->layer_unset_buffer(private_layer->layer_backend);
-       TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
+       if (!strncasecmp(name, "primary", 7) || !strncasecmp(name, "default", 7))
+               find_primary = 1;
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-       return ret;
-}
+       if (error)
+               *error = TDM_ERROR_NONE;
 
-static void
-_tbm_layer_queue_acquirable_cb(tbm_surface_queue_h surface_queue, void *data)
-{
-       TDM_RETURN_IF_FAIL(data != NULL);
-       tdm_layer *layer = data;
-       tdm_func_layer *func_layer;
-       tbm_surface_h surface = NULL;
-       LAYER_FUNC_ENTRY_VOID_RETURN();
+       if (find_primary) {
+               LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
+                       LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
+                               if (private_output->caps.status == TDM_OUTPUT_CONN_STATUS_CONNECTED && !connected_output)
+                                       connected_output = private_output;
+                               else if (private_output->caps.status == TDM_OUTPUT_CONN_STATUS_MODE_SETTED && !mode_setted_output)
+                                       mode_setted_output = private_output;
+                       }
+               }
 
-       pthread_mutex_lock(&private_display->lock);
+               if (mode_setted_output) {
+                       _pthread_mutex_unlock(&private_display->lock);
+                       return mode_setted_output;
+               }
 
-       func_layer = &private_display->func_layer;
-       if (!func_layer->layer_set_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
-               return;
-       }
+               if (connected_output) {
+                       _pthread_mutex_unlock(&private_display->lock);
+                       return connected_output;
+               }
 
-       if (TBM_SURFACE_QUEUE_ERROR_NONE != tbm_surface_queue_acquire(
-                   private_layer->buffer_queue, &surface) ||
-           surface == NULL) {
-               TDM_ERR("layer(%p) tbm_surface_queue_acquire() failed surface:%p",
-                       private_layer, surface);
-               pthread_mutex_unlock(&private_display->lock);
-               return;
+               LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
+                       LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
+                               if (private_output->index == 0) {
+                                       _pthread_mutex_unlock(&private_display->lock);
+                                       return private_output;
+                               }
+                       }
+               }
        }
 
-       ret = func_layer->layer_set_buffer(private_layer->layer_backend, surface);
-       TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
-
-       if (ret == TDM_ERROR_NONE) {
-               if (private_layer->waiting_buffer) {
-                       pthread_mutex_unlock(&private_display->lock);
-                       tdm_buffer_unref_backend(private_layer->waiting_buffer);
-                       tbm_surface_queue_release(private_layer->buffer_queue,
-                                                 private_layer->waiting_buffer);
-                       pthread_mutex_lock(&private_display->lock);
+       LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
+               LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
+                       if (strncmp(private_output->caps.model, name, TDM_NAME_LEN))
+                               continue;
+                       _pthread_mutex_unlock(&private_display->lock);
+                       return private_output;
                }
+       }
 
-               private_layer->waiting_buffer = tdm_buffer_ref_backend(surface);
-
-               if (tdm_debug_buffer)
-                       TDM_INFO("layer(%p) waiting_buffer(%p)",
-                                private_layer, private_layer->waiting_buffer);
-
-               ret = _tdm_output_commit(private_layer->private_output, 0, NULL, NULL);
-               if (ret != TDM_ERROR_NONE)
-                       TDM_ERR("layer(%p) _tdm_output_commit() is fail", private_layer);
+       if (private_display->virtual_module) {
+               private_module = private_display->virtual_module;
+               LIST_FOR_EACH_ENTRY(private_output, &private_module->output_list, link) {
+                       if (strncmp(private_output->name, name, TDM_NAME_LEN))
+                               continue;
+                       _pthread_mutex_unlock(&private_display->lock);
+                       return private_output;
+               }
        }
+       _pthread_mutex_unlock(&private_display->lock);
 
-       pthread_mutex_unlock(&private_display->lock);
+       return NULL;
 }
 
-static void
-_tbm_layer_queue_destroy_cb(tbm_surface_queue_h surface_queue, void *data)
+EXTERN tdm_error
+tdm_display_get_fd(tdm_display *dpy, int *fd)
 {
-       TDM_RETURN_IF_FAIL(data != NULL);
-       tdm_layer *layer = data;
-       LAYER_FUNC_ENTRY_VOID_RETURN();
-       TDM_RETURN_IF_FAIL(ret == TDM_ERROR_NONE);
+       DISPLAY_FUNC_ENTRY();
+
+       TDM_RETURN_VAL_IF_FAIL(fd != NULL, TDM_ERROR_INVALID_PARAMETER);
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-       if (private_layer->waiting_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
-               tdm_buffer_unref_backend(private_layer->waiting_buffer);
-               tbm_surface_queue_release(private_layer->buffer_queue,
-                                         private_layer->waiting_buffer);
-               pthread_mutex_lock(&private_display->lock);
-       }
+       if (tdm_thread_is_running())
+               *fd = tdm_thread_get_fd(private_display->private_loop);
+       else
+               *fd = tdm_event_loop_get_fd(private_display);
 
-       private_layer->buffer_queue = NULL;
+       _pthread_mutex_unlock(&private_display->lock);
 
-       pthread_mutex_unlock(&private_display->lock);
+       return ret;
 }
 
 EXTERN tdm_error
-tdm_layer_set_buffer_queue(tdm_layer *layer, tbm_surface_queue_h buffer_queue)
+tdm_display_handle_events(tdm_display *dpy)
 {
-       tdm_func_layer *func_layer;
-       LAYER_FUNC_ENTRY();
+       struct pollfd fds;
+       int fd = -1;
 
-       TDM_RETURN_VAL_IF_FAIL(buffer_queue != NULL, TDM_ERROR_INVALID_PARAMETER);
+       DISPLAY_FUNC_ENTRY();
 
-       pthread_mutex_lock(&private_display->lock);
+       ret = tdm_display_get_fd(dpy, &fd);
+       TDM_RETURN_VAL_IF_FAIL(fd >= 0, ret);
 
-       func_layer = &private_display->func_layer;
+       fds.events = POLLIN;
+       fds.fd = fd;
+       fds.revents = 0;
 
-       private_layer->usable = 0;
+       if (tdm_debug_module & TDM_DEBUG_EVENT)
+               TDM_INFO("fd(%d) polling in", fd);
 
-       if (!func_layer->layer_set_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+       while (poll(&fds, 1, -1) < 0) {
+               /* LCOV_EXCL_START */
+               if (errno == EINTR || errno == EAGAIN)  /* normal case */
+                       continue;
+               else {
+                       TDM_ERR("poll failed: %m");
+                       return TDM_ERROR_OPERATION_FAILED;
+               }
+               /* LCOV_EXCL_STOP */
        }
 
-       if (buffer_queue == private_layer->buffer_queue) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
-       }
+       if (tdm_debug_module & TDM_DEBUG_EVENT)
+               TDM_INFO("fd(%d) polling out", fd);
 
-       if (private_layer->waiting_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
-               tdm_buffer_unref_backend(private_layer->waiting_buffer);
-               tbm_surface_queue_release(private_layer->buffer_queue,
-                                         private_layer->waiting_buffer);
-               private_layer->waiting_buffer = NULL;
-               pthread_mutex_lock(&private_display->lock);
-
-               if (tdm_debug_buffer)
-                       TDM_INFO("layer(%p) waiting_buffer(%p)",
-                                private_layer, private_layer->waiting_buffer);
+       if (tdm_thread_is_running()) {
+               _pthread_mutex_lock(&private_display->lock);
+               ret = tdm_thread_handle_cb(private_display->private_loop);
+               _pthread_mutex_unlock(&private_display->lock);
+       } else {
+               ret = tdm_event_loop_dispatch(private_display);
        }
 
-       private_layer->buffer_queue = buffer_queue;
-       tbm_surface_queue_add_acquirable_cb(private_layer->buffer_queue,
-                                           _tbm_layer_queue_acquirable_cb,
-                                           layer);
-       tbm_surface_queue_add_destroy_cb(private_layer->buffer_queue,
-                                        _tbm_layer_queue_destroy_cb,
-                                        layer);
-       pthread_mutex_unlock(&private_display->lock);
-
        return ret;
 }
 
-EXTERN tdm_error
-tdm_layer_unset_buffer_queue(tdm_layer *layer)
+EXTERN void
+tdm_display_flush(tdm_display *dpy)
 {
-       tdm_func_layer *func_layer;
-       LAYER_FUNC_ENTRY();
+       tdm_private_display *private_display;
+
+       TDM_RETURN_IF_FAIL(dpy != NULL);
+       private_display = (tdm_private_display*)dpy;
 
-       pthread_mutex_lock(&private_display->lock);
+       if (tdm_thread_is_running())
+               return;
 
-       func_layer = &private_display->func_layer;
+       tdm_event_loop_flush(private_display);
+}
 
-       if (private_layer->waiting_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
-               tdm_buffer_unref_backend(private_layer->waiting_buffer);
-               tbm_surface_queue_release(private_layer->buffer_queue,
-                                         private_layer->waiting_buffer);
-               private_layer->waiting_buffer = NULL;
-               pthread_mutex_lock(&private_display->lock);
+EXTERN tdm_error
+tdm_display_get_backend_info(tdm_display *dpy, const char **name,
+                                                        const char **vendor, int *major, int *minor)
+{
+       tdm_private_module *private_module = NULL;
+       tdm_backend_module *module_data = NULL;
 
-               if (tdm_debug_buffer)
-                       TDM_INFO("layer(%p) waiting_buffer(%p)",
-                                private_layer, private_layer->waiting_buffer);
-       }
+       DISPLAY_FUNC_ENTRY();
 
-       if (private_layer->showing_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
-               tdm_buffer_unref_backend(private_layer->showing_buffer);
-               tbm_surface_queue_release(private_layer->buffer_queue,
-                                         private_layer->showing_buffer);
-               pthread_mutex_lock(&private_display->lock);
-               private_layer->showing_buffer = NULL;
-
-               if (tdm_debug_buffer)
-                       TDM_INFO("layer(%p) showing_buffer(%p)",
-                                private_layer, private_layer->showing_buffer);
-       }
+       TDM_DEPRECATED("Use tdm_module_get_info");
 
-       tbm_surface_queue_remove_acquirable_cb(private_layer->buffer_queue, _tbm_layer_queue_acquirable_cb, layer);
-       tbm_surface_queue_remove_destroy_cb(private_layer->buffer_queue, _tbm_layer_queue_destroy_cb, layer);
-       private_layer->buffer_queue = NULL;
-       private_layer->usable = 1;
+       _pthread_mutex_lock(&private_display->lock);
 
-       if (!func_layer->layer_unset_buffer) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
+       /* use first backend */
+       LIST_FOR_EACH_ENTRY(private_module, &private_display->module_list, link) {
+               module_data = private_module->module_data;
+               break;
        }
 
-       ret = func_layer->layer_unset_buffer(private_layer->layer_backend);
+       assert(module_data != NULL);
 
-       pthread_mutex_unlock(&private_display->lock);
+       if (name)
+               *name = module_data->name;
+       if (vendor)
+               *vendor = module_data->vendor;
+       if (major)
+               *major = TDM_BACKEND_GET_ABI_MAJOR(module_data->abi_version);
+       if (minor)
+               *minor = TDM_BACKEND_GET_ABI_MINOR(module_data->abi_version);
+
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
 
-EXTERN tdm_error
-tdm_layer_is_usable(tdm_layer *layer, unsigned int *usable)
+EXTERN tdm_pp *
+tdm_display_create_pp(tdm_display *dpy, tdm_error *error)
 {
-       LAYER_FUNC_ENTRY();
+       tdm_pp *pp;
 
-       TDM_RETURN_VAL_IF_FAIL(usable != NULL, TDM_ERROR_INVALID_PARAMETER);
+       DISPLAY_FUNC_ENTRY_ERROR();
 
-       pthread_mutex_lock(&private_display->lock);
+       _pthread_mutex_lock(&private_display->lock);
 
-       *usable = private_layer->usable;
+       pp = (tdm_pp *)tdm_pp_create_internal(private_display->pp_module, error);
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
-       return ret;
+       return pp;
 }
 
 EXTERN tdm_error
-tdm_layer_set_video_pos(tdm_layer *layer, int zpos)
+tdm_module_get_info(tdm_module *module, const char **name,
+                                       const char **vendor, int *major, int *minor)
 {
-       tdm_func_layer *func_layer;
-       LAYER_FUNC_ENTRY();
-
-       pthread_mutex_lock(&private_display->lock);
+       tdm_backend_module *module_data;
 
-       func_layer = &private_display->func_layer;
+       BACKEND_FUNC_ENTRY();
 
-       if (!(private_layer->caps.capabilities & TDM_LAYER_CAPABILITY_VIDEO)) {
-               TDM_ERR("layer(%p) is not video layer", private_layer);
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_INVALID_PARAMETER;
-       }
+       _pthread_mutex_lock(&private_display->lock);
 
-       if (!func_layer->layer_set_video_pos) {
-               pthread_mutex_unlock(&private_display->lock);
-               return TDM_ERROR_NONE;
-       }
+       module_data = private_module->module_data;
 
-       ret = func_layer->layer_set_video_pos(private_layer->layer_backend, zpos);
+       if (name)
+               *name = module_data->name;
+       if (vendor)
+               *vendor = module_data->vendor;
+       if (major)
+               *major = TDM_BACKEND_GET_ABI_MAJOR(module_data->abi_version);
+       if (minor)
+               *minor = TDM_BACKEND_GET_ABI_MINOR(module_data->abi_version);
 
-       pthread_mutex_unlock(&private_display->lock);
+       _pthread_mutex_unlock(&private_display->lock);
 
        return ret;
 }
 
-EXTERN tdm_capture *
-tdm_layer_create_capture(tdm_layer *layer, tdm_error *error)
+INTERN int
+tdm_module_check_abi(tdm_private_module *private_module, int abimaj, int abimin)
 {
-       tdm_capture *capture = NULL;
+       tdm_backend_module *module = private_module->module_data;
 
-       LAYER_FUNC_ENTRY_ERROR();
+       if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) > abimaj)
+               return 1;
 
-       pthread_mutex_lock(&private_display->lock);
+       if (TDM_BACKEND_GET_ABI_MAJOR(module->abi_version) < abimaj)
+               return 0;
 
-       capture = (tdm_capture *)tdm_capture_create_layer_internal(private_layer,
-                       error);
+       if (TDM_BACKEND_GET_ABI_MINOR(module->abi_version) < abimin)
+               return 0;
 
-       pthread_mutex_unlock(&private_display->lock);
-
-       return capture;
+       return 1;
 }
+