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// Use this enum to specify the dpy parameters where needed
43enum {
44    DISPLAY_PRIMARY  = HWC_DISPLAY_PRIMARY,
45    DISPLAY_EXTERNAL = HWC_DISPLAY_EXTERNAL,
46    DISPLAY_VIRTUAL  = HWC_DISPLAY_VIRTUAL,
47};
48
49// External Display states - used in setSecondaryDisplayStatus()
50// To be consistent with the same defined in hwc_utils.h
51enum {
52    EXTERNAL_OFFLINE = 0,
53    EXTERNAL_ONLINE,
54    EXTERNAL_PAUSE,
55    EXTERNAL_RESUME,
56};
57
58enum {
59    DISABLE_METADATA_DYN_REFRESH_RATE = 0,
60    ENABLE_METADATA_DYN_REFRESH_RATE,
61    SET_BINDER_DYN_REFRESH_RATE,
62};
63
64// Display Attributes that are available to clients of this library
65// Not to be confused with a similar struct in hwc_utils (in the hwc namespace)
66struct DisplayAttributes_t {
67    uint32_t vsync_period; //nanoseconds
68    uint32_t xres;
69    uint32_t yres;
70    float xdpi;
71    float ydpi;
72    char panel_type;
73};
74
75// Check if external display is connected. Useful to check before making
76// calls for external displays
77// Returns 1 if connected, 0 if disconnected, negative values on errors
78int isExternalConnected(void);
79
80// Get display vsync period which is in nanoseconds
81// i.e vsync_period = 1000000000l / fps
82// Returns 0 on success, negative values on errors
83int getDisplayAttributes(int dpy, DisplayAttributes_t& dpyattr);
84
85// Set HSIC data on a given display ID
86// Returns 0 on success, negative values on errors
87int setHSIC(int dpy, const HSICData_t& hsic_data);
88
89// get the active visible region for the display
90// Returns 0 on success, negative values on errors
91int getDisplayVisibleRegion(int dpy, hwc_rect_t &rect);
92
93// set the view frame information in hwc context from surfaceflinger
94int setViewFrame(int dpy, int l, int t, int r, int b);
95
96// Set the secondary display status(pause/resume/offline etc.,)
97int setSecondaryDisplayStatus(int dpy, uint32_t status);
98
99// Enable/Disable/Set refresh rate dynamically
100int configureDynRefreshRate(uint32_t op, uint32_t refreshRate);
101}; //namespace
102