1/*
2 * Copyright (c) 2013 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#include <gralloc_priv.h>
30#include <qdMetaData.h>
31#include <mdp_version.h>
32#include <hardware/hwcomposer.h>
33
34// This header is for clients to use to set/get global display configuration
35// The functions in this header run in the client process and wherever necessary
36// do a binder call to HWC to get/set data.
37// Only primary and external displays are supported here.
38// WiFi/virtual displays are not supported.
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 = 0,
51    DISPLAY_EXTERNAL,
52    DISPLAY_VIRTUAL,
53};
54
55// External Display states - used in setSecondaryDisplayStatus()
56// To be consistent with the same defined in hwc_utils.h
57enum {
58    EXTERNAL_OFFLINE = 0,
59    EXTERNAL_ONLINE,
60    EXTERNAL_PAUSE,
61    EXTERNAL_RESUME,
62};
63
64enum {
65    DISABLE_METADATA_DYN_REFRESH_RATE = 0,
66    ENABLE_METADATA_DYN_REFRESH_RATE,
67    SET_BINDER_DYN_REFRESH_RATE,
68};
69
70// Display Attributes that are available to clients of this library
71// Not to be confused with a similar struct in hwc_utils (in the hwc namespace)
72struct DisplayAttributes_t {
73    uint32_t vsync_period; //nanoseconds
74    uint32_t xres;
75    uint32_t yres;
76    float xdpi;
77    float ydpi;
78    char panel_type;
79};
80
81// Check if external display is connected. Useful to check before making
82// calls for external displays
83// Returns 1 if connected, 0 if disconnected, negative values on errors
84int isExternalConnected(void);
85
86// Get display vsync period which is in nanoseconds
87// i.e vsync_period = 1000000000l / fps
88// Returns 0 on success, negative values on errors
89int getDisplayAttributes(int dpy, DisplayAttributes_t& dpyattr);
90
91// Set HSIC data on a given display ID
92// Returns 0 on success, negative values on errors
93int setHSIC(int dpy, const HSICData_t& hsic_data);
94
95// get the active visible region for the display
96// Returns 0 on success, negative values on errors
97int getDisplayVisibleRegion(int dpy, hwc_rect_t &rect);
98
99// set the view frame information in hwc context from surfaceflinger
100int setViewFrame(int dpy, int l, int t, int r, int b);
101
102// Set the secondary display status(pause/resume/offline etc.,)
103int setSecondaryDisplayStatus(int dpy, uint32_t status);
104
105// Enable/Disable/Set refresh rate dynamically
106int configureDynRefreshRate(uint32_t op, uint32_t refreshRate);
107}; //namespace
108