1 /*
2 * Copyright (c) 2017 The Linux Foundation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *    * Redistributions of source code must retain the above copyright
8 *      notice, this list of conditions and the following disclaimer.
9 *    * Redistributions in binary form must reproduce the above
10 *      copyright notice, this list of conditions and the following
11 *      disclaimer in the documentation and/or other materials provided
12 *      with the distribution.
13 *    * Neither the name of The Linux Foundation. nor the names of its
14 *      contributors may be used to endorse or promote products derived
15 *      from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29 
30 #ifndef __DISPLAY_CONFIG_H__
31 #define __DISPLAY_CONFIG_H__
32 
33 #include <stdint.h>
34 #include <vector>
35 
36 // This header is for clients to use to set/get global display configuration.
37 
38 namespace display {
39 
40 enum {
41     DISPLAY_PRIMARY = 0,
42     DISPLAY_EXTERNAL,
43     DISPLAY_VIRTUAL,
44 };
45 
46 enum {
47     EXTERNAL_OFFLINE = 0,
48     EXTERNAL_ONLINE,
49     EXTERNAL_PAUSE,
50     EXTERNAL_RESUME,
51 };
52 
53 enum {
54     DISABLE_METADATA_DYN_REFRESH_RATE = 0,
55     ENABLE_METADATA_DYN_REFRESH_RATE,
56     SET_BINDER_DYN_REFRESH_RATE,
57 };
58 
59 enum {
60     DISPLAY_PORT_DEFAULT = 0,
61     DISPLAY_PORT_DSI,
62     DISPLAY_PORT_DTV,
63     DISPLAY_PORT_WRITEBACK,
64     DISPLAY_PORT_LVDS,
65     DISPLAY_PORT_EDP,
66     DISPLAY_PORT_DP,
67 };
68 
69 struct DisplayAttributes {
70     uint32_t vsync_period = 0; //nanoseconds
71     uint32_t xres = 0;
72     uint32_t yres = 0;
73     float xdpi = 0.0f;
74     float ydpi = 0.0f;
75     int panel_type = DISPLAY_PORT_DEFAULT;
76     bool is_yuv = false;
77 };
78 
79 struct DisplayHDRCapabilities {
80     std::vector<int32_t> supported_hdr_types;
81     float max_luminance = 0.0f;
82     float max_avg_luminance = 0.0f;
83     float min_luminance = 0.0f;
84 };
85 
86 struct WriteBackCapabilities {
87     bool isWbUbwcSupported;
88 };
89 
90 //=============================================================================
91 // The functions below run in the client pocess and wherever necessary
92 // do a binder call to HWC to get/set data.
93 
94 int isExternalConnected();
95 int setSecondayDisplayStatus(int dpy, uint32_t status);
96 int configureDynRefeshRate(uint32_t op, uint32_t refreshRate);
97 int getConfigCount(int dpy);
98 int getActiveConfig(int dpy);
99 int setActiveConfig(int dpy, uint32_t config);
100 DisplayAttributes getDisplayAttributes(uint32_t configIndex, int dpy);
101 int setPanelBrightness(uint32_t level);
102 uint32_t getPanelBrightness();
103 int minHdcpEncryptionLevelChanged(int dpy, uint32_t min_enc_level);
104 int refreshScreen();
105 int controlPartialUpdate(int dpy, bool enable);
106 int toggleScreenUpdate(uint32_t on);
107 int setIdleTimeout(uint32_t value);
108 int getHDRCapabilities(int dpy, DisplayHDRCapabilities *caps);
109 int setCameraLaunchStatus(uint32_t on);
110 bool displayBWTransactionPending();
111 int32_t getWriteBackCapabilities( WriteBackCapabilities *caps);
112 
113 } // namespace display
114 
115 #endif  // __DISPLAY_CONFIG_H__
116