1/*
2 * Copyright (c) 2013 - 2016, 2018 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 <gralloc_priv.h>
34#include <qdMetaData.h>
35#include <hardware/hwcomposer.h>
36
37// This header is for clients to use to set/get global display configuration.
38// Only primary and external displays are supported here.
39
40namespace qdutils {
41
42
43/* TODO: Have all the common enums that need be exposed to clients and which
44 * are also needed in hwc defined here. Remove such definitions we have in
45 * hwc_utils.h
46 */
47
48// Use this enum to specify the dpy parameters where needed
49enum {
50    DISPLAY_PRIMARY = HWC_DISPLAY_PRIMARY,
51    DISPLAY_EXTERNAL = HWC_DISPLAY_EXTERNAL,
52#ifdef QTI_BSP
53    DISPLAY_TERTIARY = HWC_DISPLAY_TERTIARY,
54#endif
55    DISPLAY_VIRTUAL = HWC_DISPLAY_VIRTUAL,
56};
57
58// External Display states - used in setSecondaryDisplayStatus()
59// To be consistent with the same defined in hwc_utils.h
60enum {
61    EXTERNAL_OFFLINE = 0,
62    EXTERNAL_ONLINE,
63    EXTERNAL_PAUSE,
64    EXTERNAL_RESUME,
65};
66
67enum {
68    DISABLE_METADATA_DYN_REFRESH_RATE = 0,
69    ENABLE_METADATA_DYN_REFRESH_RATE,
70    SET_BINDER_DYN_REFRESH_RATE,
71};
72
73enum {
74    DEFAULT_MODE = 0,
75    VIDEO_MODE,
76    COMMAND_MODE,
77};
78
79enum {
80    DISPLAY_PORT_DEFAULT = 0,
81    DISPLAY_PORT_DSI,
82    DISPLAY_PORT_DTV,
83    DISPLAY_PORT_WRITEBACK,
84    DISPLAY_PORT_LVDS,
85    DISPLAY_PORT_EDP,
86    DISPLAY_PORT_DP,
87};
88
89// Display Attributes that are available to clients of this library
90// Not to be confused with a similar struct in hwc_utils (in the hwc namespace)
91typedef struct DisplayAttributes {
92    uint32_t vsync_period = 0; //nanoseconds
93    uint32_t xres = 0;
94    uint32_t yres = 0;
95    float xdpi = 0.0f;
96    float ydpi = 0.0f;
97    int panel_type = DISPLAY_PORT_DEFAULT;
98    bool is_yuv = false;
99} DisplayAttributes_t;
100
101//=============================================================================
102// The functions below run in the client process and wherever necessary
103// do a binder call to HWC to get/set data.
104
105// Check if external display is connected. Useful to check before making
106// calls for external displays
107// Returns 1 if connected, 0 if disconnected, negative values on errors
108int isExternalConnected(void);
109
110// Get display vsync period which is in nanoseconds
111// i.e vsync_period = 1000000000l / fps
112// Returns 0 on success, negative values on errors
113int getDisplayAttributes(int dpy, DisplayAttributes_t& dpyattr);
114
115// Set HSIC data on a given display ID
116// Returns 0 on success, negative values on errors
117int setHSIC(int dpy, const HSICData_t& hsic_data);
118
119// get the active visible region for the display
120// Returns 0 on success, negative values on errors
121int getDisplayVisibleRegion(int dpy, hwc_rect_t &rect);
122
123// set the view frame information in hwc context from surfaceflinger
124int setViewFrame(int dpy, int l, int t, int r, int b);
125
126// Set the secondary display status(pause/resume/offline etc.,)
127int setSecondaryDisplayStatus(int dpy, uint32_t status);
128
129// Enable/Disable/Set refresh rate dynamically
130int configureDynRefreshRate(uint32_t op, uint32_t refreshRate);
131
132// Returns the number of configs supported for the display on success.
133// Returns -1 on error.
134// Only primary display supported for now, value of dpy ignored.
135int getConfigCount(int dpy);
136
137// Returns the index of config that is current set for the display on success.
138// Returns -1 on error.
139// Only primary display supported for now, value of dpy ignored.
140int getActiveConfig(int dpy);
141
142// Sets the config for the display on success and returns 0.
143// Returns -1 on error.
144// Only primary display supported for now, value of dpy ignored
145int setActiveConfig(int configIndex, int dpy);
146
147// Returns the attributes for the specified config for the display on success.
148// Returns xres and yres as 0 on error.
149// Only primary display supported for now, value of dpy ignored
150DisplayAttributes getDisplayAttributes(int configIndex, int dpy);
151
152// Set the primary display mode to command or video mode
153int setDisplayMode(int mode);
154
155// Sets the panel brightness of the primary display
156int setPanelBrightness(int level);
157
158// Retrieves the current panel brightness value
159int getPanelBrightness();
160
161int setStandByMode(int mode);
162}; //namespace
163
164#endif
165