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