4 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
6 * Licensed under the Apache License, Version 2.0 (the License);
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
20 #ifndef __HW_DISPLAY_H__
21 #define __HW_DISPLAY_H__
23 #include <hw/common.h>
26 * The id of this device
28 #define DISPLAY_HARDWARE_DEVICE_ID "display"
31 * The version of this device
33 #define DISPLAY_HARDWARE_DEVICE_VERSION MAKE_VERSION(0,2)
36 DISPLAY_ON, /* In use */
37 DISPLAY_STANDBY, /* Blanked, low power */
38 DISPLAY_SUSPEND, /* Blanked, lower power */
39 DISPLAY_OFF, /* Shut off, awaiting activity */
42 enum display_image_effect {
43 DISPLAY_IMAGE_EFFECT_STANDARD, /* No effect */
44 DISPLAY_IMAGE_EFFECT_NEGATIVE, /* Total inversion */
45 DISPLAY_IMAGE_EFFECT_GRAYSCALE, /* Shades of gray and no color */
46 DISPLAY_IMAGE_EFFECT_PICTURE, /* Picture effect */
47 DISPLAY_IMAGE_EFFECT_VIDEO, /* Video effect */
48 DISPLAY_IMAGE_EFFECT_MOVIE, /* Movie effect */
49 DISPLAY_IMAGE_EFFECT_BROWSER, /* Browser effect */
50 DISPLAY_IMAGE_EFFECT_WARM, /* Warm effect */
51 DISPLAY_IMAGE_EFFECT_COLD, /* Cold effect */
52 DISPLAY_IMAGE_EFFECT_NATURAL, /* Natural effect */
55 enum display_panel_mode {
56 DISPLAY_PANEL_MODE_STANDARD, /* Standard mode */
57 DISPLAY_PANEL_MODE_OUTDOOR, /* Outdoor mode */
58 DISPLAY_PANEL_MODE_CONTENTS, /* Contents adaptive brightness control mode */
59 DISPLAY_PANEL_MODE_LOWPOWER, /* Low power mode */
62 struct display_device {
63 struct hw_common common;
65 /* The brightness value is 0 to 100. */
66 int (*get_brightness)(int *brightness);
67 int (*set_brightness)(int brightness);
69 /* Control display state */
70 int (*get_state)(enum display_state *state);
71 int (*set_state)(enum display_state state);
73 /* Control image effect */
74 int (*get_image_effect)(enum display_image_effect *effect);
75 int (*set_image_effect)(enum display_image_effect effect);
77 /* Control panel mode mode */
78 int (*get_panel_mode)(enum display_panel_mode *mode);
79 int (*set_panel_mode)(enum display_panel_mode mode);