You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
3.0 KiB
101 lines
3.0 KiB
4 months ago
|
/*
|
||
|
|
* Copyright (C) 2010 The Android Open Source Project
|
||
|
|
* Copyright (C) 2012, The Linux Foundation. All rights reserved.
|
||
|
|
*
|
||
|
|
* Not a Contribution, Apache license notifications and license are
|
||
|
|
* retained for attribution purposes only.
|
||
|
|
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef HWC_EXTERNAL_DISPLAY_H
|
||
|
|
#define HWC_EXTERNAL_DISPLAY_H
|
||
|
|
|
||
|
|
#include <utils/threads.h>
|
||
|
|
#include <linux/fb.h>
|
||
|
|
|
||
|
|
struct hwc_context_t;
|
||
|
|
|
||
|
|
namespace qhwc {
|
||
|
|
|
||
|
|
//Type of scanning of EDID(Video Capability Data Block)
|
||
|
|
enum external_scansupport_type {
|
||
|
|
EXT_SCAN_NOT_SUPPORTED = 0,
|
||
|
|
EXT_SCAN_ALWAYS_OVERSCANED = 1,
|
||
|
|
EXT_SCAN_ALWAYS_UNDERSCANED = 2,
|
||
|
|
EXT_SCAN_BOTH_SUPPORTED = 3
|
||
|
|
};
|
||
|
|
|
||
|
|
class ExternalDisplay
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
ExternalDisplay(hwc_context_t* ctx);
|
||
|
|
~ExternalDisplay();
|
||
|
|
int getModeCount() const;
|
||
|
|
void getEDIDModes(int *out) const;
|
||
|
|
bool isCEUnderscanSupported() { return mUnderscanSupported; }
|
||
|
|
void setExternalDisplay(bool connected, int extFbNum = 0);
|
||
|
|
bool isExternalConnected() { return mConnected;};
|
||
|
|
void setExtDpyNum(int extDpyNum) { mExtDpyNum = extDpyNum;};
|
||
|
|
void setHPD(uint32_t startEnd);
|
||
|
|
void setEDIDMode(int resMode);
|
||
|
|
void setActionSafeDimension(int w, int h);
|
||
|
|
void processUEventOnline(const char *str);
|
||
|
|
void processUEventOffline(const char *str);
|
||
|
|
|
||
|
|
private:
|
||
|
|
void readCEUnderscanInfo();
|
||
|
|
bool readResolution();
|
||
|
|
int parseResolution(char* edidStr, int* edidModes);
|
||
|
|
void setResolution(int ID);
|
||
|
|
bool openFrameBuffer(int fbNum);
|
||
|
|
bool closeFrameBuffer();
|
||
|
|
bool writeHPDOption(int userOption) const;
|
||
|
|
bool isValidMode(int ID);
|
||
|
|
void handleUEvent(char* str, int len);
|
||
|
|
int getModeOrder(int mode);
|
||
|
|
int getUserMode();
|
||
|
|
int getBestMode();
|
||
|
|
bool isInterlacedMode(int mode);
|
||
|
|
void resetInfo();
|
||
|
|
void setDpyHdmiAttr();
|
||
|
|
void setDpyWfdAttr();
|
||
|
|
void getAttrForMode(int& width, int& height, int& fps);
|
||
|
|
void updateExtDispDevFbIndex();
|
||
|
|
int configureHDMIDisplay();
|
||
|
|
int configureWFDDisplay();
|
||
|
|
int teardownHDMIDisplay();
|
||
|
|
int teardownWFDDisplay();
|
||
|
|
int getExtFbNum(int &fbNum);
|
||
|
|
|
||
|
|
mutable android::Mutex mExtDispLock;
|
||
|
|
int mFd;
|
||
|
|
int mCurrentMode;
|
||
|
|
int mConnected;
|
||
|
|
int mConnectedFbNum;
|
||
|
|
int mResolutionMode;
|
||
|
|
char mEDIDs[128];
|
||
|
|
int mEDIDModes[64];
|
||
|
|
int mModeCount;
|
||
|
|
bool mUnderscanSupported;
|
||
|
|
hwc_context_t *mHwcContext;
|
||
|
|
fb_var_screeninfo mVInfo;
|
||
|
|
int mHdmiFbNum;
|
||
|
|
int mWfdFbNum;
|
||
|
|
int mExtDpyNum;
|
||
|
|
};
|
||
|
|
|
||
|
|
}; //qhwc
|
||
|
|
// ---------------------------------------------------------------------------
|
||
|
|
#endif //HWC_EXTERNAL_DISPLAY_H
|