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/*
* Copyright (c) 2013 - 2016, 2018 - 2021, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DISPLAY_CONFIG_H
#define _DISPLAY_CONFIG_H
#include <vector>
#include <gralloc_priv.h>
#include <qdMetaData.h>
#include <hardware/hwcomposer.h>
// This header is for clients to use to set/get global display configuration.
// Only primary and external displays are supported here.
namespace qdutils {
/* TODO: Have all the common enums that need be exposed to clients and which
* are also needed in hwc defined here. Remove such definitions we have in
* hwc_utils.h
*/
// Use this enum to specify the dpy parameters where needed
enum {
// DO NOT CHANGE THE LEGACY DEFINES
DISPLAY_PRIMARY = 0, // = HWC_DISPLAY_PRIMARY
DISPLAY_EXTERNAL = 1, // = HWC_DISPLAY_EXTERNAL
DISPLAY_VIRTUAL = 2, // = HWC_DISPLAY_VIRTUAL
// Additional displays only for vendor client (e.g. pp) reference
DISPLAY_BUILTIN_2 = 3,
DISPLAY_EXTERNAL_2 = 4,
};
// External Display states - used in setSecondaryDisplayStatus()
// To be consistent with the same defined in hwc_utils.h
enum {
EXTERNAL_OFFLINE = 0,
EXTERNAL_ONLINE,
EXTERNAL_PAUSE,
EXTERNAL_RESUME,
};
enum {
DISABLE_METADATA_DYN_REFRESH_RATE = 0,
ENABLE_METADATA_DYN_REFRESH_RATE,
SET_BINDER_DYN_REFRESH_RATE,
};
enum {
DEFAULT_MODE = 0,
VIDEO_MODE,
COMMAND_MODE,
};
enum {
DISPLAY_PORT_DEFAULT = 0,
DISPLAY_PORT_DSI,
DISPLAY_PORT_DTV,
DISPLAY_PORT_WRITEBACK,
DISPLAY_PORT_LVDS,
DISPLAY_PORT_EDP,
DISPLAY_PORT_DP,
};
// Display Attributes that are available to clients of this library
// Not to be confused with a similar struct in hwc_utils (in the hwc namespace)
typedef struct DisplayAttributes {
uint32_t vsync_period = 0; //nanoseconds
uint32_t xres = 0;
uint32_t yres = 0;
float xdpi = 0.0f;
float ydpi = 0.0f;
int panel_type = DISPLAY_PORT_DEFAULT;
bool is_yuv = false;
} DisplayAttributes_t;
//=============================================================================
// The functions below run in the client process and wherever necessary
// do a binder call to HWC to get/set data.
// Check if external display is connected. Useful to check before making
// calls for external displays
// Returns 1 if connected, 0 if disconnected, negative values on errors
int isExternalConnected(void);
// Get display vsync period which is in nanoseconds
// i.e vsync_period = 1000000000l / fps
// Returns 0 on success, negative values on errors
int getDisplayAttributes(int dpy, DisplayAttributes_t& dpyattr);
// get the active visible region for the display
// Returns 0 on success, negative values on errors
int getDisplayVisibleRegion(int dpy, hwc_rect_t &rect);
// set the view frame information in hwc context from surfaceflinger
int setViewFrame(int dpy, int l, int t, int r, int b);
// Set the secondary display status(pause/resume/offline etc.,)
int setSecondaryDisplayStatus(int dpy, uint32_t status);
// Enable/Disable/Set refresh rate dynamically
int configureDynRefreshRate(uint32_t op, uint32_t refreshRate);
// Returns the number of configs supported for the display on success.
// Returns -1 on error.
// Only primary display supported for now, value of dpy ignored.
int getConfigCount(int dpy);
// Returns the index of config that is current set for the display on success.
// Returns -1 on error.
// Only primary display supported for now, value of dpy ignored.
int getActiveConfig(int dpy);
// Sets the config for the display on success and returns 0.
// Returns -1 on error.
// Only primary display supported for now, value of dpy ignored
int setActiveConfig(int configIndex, int dpy);
// Returns the attributes for the specified config for the display on success.
// Returns xres and yres as 0 on error.
// Only primary display supported for now, value of dpy ignored
DisplayAttributes getDisplayAttributes(int configIndex, int dpy);
// Set the primary display mode to command or video mode
int setDisplayMode(int mode);
// Sets the panel brightness of the primary display
int setPanelBrightness(int level);
// Retrieves the current panel brightness value
int getPanelBrightness();
// Sets the specified bit clk value.
int setDsiClk(int dpy, uint64_t bitClk);
// Retrieves the current bit clk value.
uint64_t getDsiClk(int dpy);
// Get supported bit clk values.
int getSupportedBitClk(int dpy, std::vector<uint64_t>& bit_rates);
// Sets the specified min and max luminance values.
int setPanelLuminanceAttributes(int dpy, float min_lum, float max_lum);
// Sets display standy mode
extern "C" int setStandByMode(int mode);
}; //namespace
extern "C" int waitForComposerInit();
#endif