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89 lines
2.7 KiB
89 lines
2.7 KiB
/* |
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* Copyright (C) 2010 The Android Open Source Project |
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* Copyright (C) 2012-2013, The Linux Foundation. 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 <linux/fb.h> |
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struct hwc_context_t; |
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struct msm_hdmi_mode_timing_info; |
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namespace qhwc { |
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//Type of scanning of EDID(Video Capability Data Block) |
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enum external_scansupport_type { |
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EXT_SCAN_NOT_SUPPORTED = 0, |
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EXT_SCAN_ALWAYS_OVERSCANED = 1, |
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EXT_SCAN_ALWAYS_UNDERSCANED = 2, |
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EXT_SCAN_BOTH_SUPPORTED = 3 |
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}; |
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class ExternalDisplay |
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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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void setHPD(uint32_t startEnd); |
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void setActionSafeDimension(int w, int h); |
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bool isCEUnderscanSupported() { return mUnderscanSupported; } |
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int configure(); |
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void getAttributes(int& width, int& height); |
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int teardown(); |
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bool isConnected() { |
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return mHwcContext->dpyAttr[HWC_DISPLAY_EXTERNAL].connected; |
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} |
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private: |
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int getModeCount() const; |
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void getEDIDModes(int *out) const; |
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void setEDIDMode(int resMode); |
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void setSPDInfo(const char* node, const char* property); |
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void readCEUnderscanInfo(); |
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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(); |
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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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int getModeOrder(int mode); |
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int getUserMode(); |
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int getBestMode(); |
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bool isInterlacedMode(int mode); |
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void resetInfo(); |
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void setAttributes(); |
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void getAttrForMode(int& width, int& height, int& fps); |
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int mFd; |
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int mFbNum; |
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int mCurrentMode; |
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int mEDIDModes[64]; |
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int mModeCount; |
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bool mUnderscanSupported; |
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hwc_context_t *mHwcContext; |
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fb_var_screeninfo mVInfo; |
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// Holds all the HDMI modes and timing info supported by driver |
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msm_hdmi_mode_timing_info* supported_video_mode_lut; |
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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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