060e7797ed
Add hwc_service.cpp and ihwc.cpp file to enable direct communication to hwcomposer by the clients to set hwc system wide properties. Create hwcomposer service singleton object in hwc_context_t structure. Change-Id: I0d0879475951a618a453a23ee254ea651e8c6b88
108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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* Copyright (C) 2012, Code Aurora Forum. All rights reserved.
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*
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* Not a Contribution, Apache license notifications and license are
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* retained for attribution purposes only.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef HWC_EXTERNAL_DISPLAY_H
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#define HWC_EXTERNAL_DISPLAY_H
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#include <utils/threads.h>
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#include <linux/fb.h>
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struct hwc_context_t;
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namespace qhwc {
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#define DEVICE_ROOT "/sys/devices/virtual/graphics"
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#define DEVICE_NODE_FB1 "fb1"
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#define DEVICE_NODE_FB2 "fb2"
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#define HDMI_PANEL "dtv panel"
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#define WFD_PANEL "writeback panel"
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#define EXTERN_DISPLAY_NONE 0
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#define EXTERN_DISPLAY_FB1 1
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#define EXTERN_DISPLAY_FB2 2
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#define MAX_FRAME_BUFFER_NAME_SIZE 80
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#define MAX_DISPLAY_EXTERNAL_DEVICES 2
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#define HPD_ENABLE 1
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#define HPD_DISABLE 0
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#define DEVICE_ONLINE true
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#define DEVICE_OFFLINE false
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#define SYSFS_EDID_MODES DEVICE_ROOT "/" DEVICE_NODE_FB1 "/edid_modes"
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#define SYSFS_HPD DEVICE_ROOT "/" DEVICE_NODE_FB1 "/hpd"
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class ExternalDisplay
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{
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//Type of external display - OFF, HDMI, WFD
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enum external_display_type {
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EXT_TYPE_NONE,
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EXT_TYPE_HDMI,
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EXT_TYPE_WIFI
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};
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// Mirroring state
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enum external_mirroring_state {
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EXT_MIRRORING_OFF,
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EXT_MIRRORING_ON,
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};
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public:
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ExternalDisplay(hwc_context_t* ctx);
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~ExternalDisplay();
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int getModeCount() const;
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void getEDIDModes(int *out) const;
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int getExternalDisplay() const;
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void setExternalDisplay(int connected);
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bool commit();
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int enableHDMIVsync(int enable);
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void setHPDStatus(int enabled);
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void setEDIDMode(int resMode);
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void setActionSafeDimension(int w, int h);
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void processUEventOnline(const char *str);
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void processUEventOffline(const char *str);
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bool isHDMIConfigured();
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private:
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bool readResolution();
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int parseResolution(char* edidStr, int* edidModes);
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void setResolution(int ID);
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bool openFrameBuffer(int fbNum);
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bool closeFrameBuffer();
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bool writeHPDOption(int userOption) const;
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bool isValidMode(int ID);
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void handleUEvent(char* str, int len);
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int getModeOrder(int mode);
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int getBestMode();
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void resetInfo();
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mutable android::Mutex mExtDispLock;
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int mFd;
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int mCurrentMode;
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int mExternalDisplay;
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int mResolutionMode;
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char mEDIDs[128];
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int mEDIDModes[64];
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int mModeCount;
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hwc_context_t *mHwcContext;
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fb_var_screeninfo mVInfo;
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};
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}; //qhwc
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// ---------------------------------------------------------------------------
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#endif //HWC_EXTERNAL_DISPLAY_H
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