| Naseer Ahmed | 0c8b7b5 | 2012-07-20 09:06:13 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * Copyright (C) 2012, Code Aurora Forum. All rights reserved. |
| 4 | * |
| 5 | * Not a Contribution, Apache license notifications and license are |
| 6 | * retained for attribution purposes only. |
| 7 | |
| 8 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 9 | * you may not use this file except in compliance with the License. |
| 10 | * You may obtain a copy of the License at |
| 11 | * |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 13 | * |
| 14 | * Unless required by applicable law or agreed to in writing, software |
| 15 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 17 | * See the License for the specific language governing permissions and |
| 18 | * limitations under the License. |
| 19 | */ |
| 20 | |
| 21 | #ifndef HWC_EXT_OBSERVER_H |
| 22 | #define HWC_EXT_OBSERVER_H |
| 23 | |
| 24 | #include <utils/threads.h> |
| 25 | |
| 26 | struct hwc_context_t; |
| 27 | |
| 28 | namespace qhwc { |
| 29 | |
| 30 | class ExtDisplayObserver : public android::Thread |
| 31 | { |
| 32 | //Type of external display - OFF, HDMI, WFD |
| 33 | enum external_display_type { |
| 34 | EXT_TYPE_NONE, |
| 35 | EXT_TYPE_HDMI, |
| 36 | EXT_TYPE_WIFI |
| 37 | }; |
| 38 | |
| 39 | // Mirroring state |
| 40 | enum external_mirroring_state { |
| 41 | EXT_MIRRORING_OFF, |
| 42 | EXT_MIRRORING_ON, |
| 43 | }; |
| 44 | public: |
| 45 | /*Overrides*/ |
| 46 | virtual bool threadLoop(); |
| 47 | virtual int readyToRun(); |
| 48 | virtual void onFirstRef(); |
| 49 | |
| 50 | virtual ~ExtDisplayObserver(); |
| 51 | static ExtDisplayObserver *getInstance(); |
| 52 | int getExternalDisplay() const; |
| 53 | void setHwcContext(hwc_context_t* hwcCtx); |
| 54 | |
| 55 | private: |
| 56 | ExtDisplayObserver(); |
| 57 | void setExternalDisplayStatus(int connected); |
| 58 | bool readResolution(); |
| 59 | int parseResolution(char* edidStr, int* edidModes, int len); |
| 60 | void setResolution(int ID); |
| 61 | bool openFramebuffer(); |
| 62 | bool writeHPDOption(int userOption) const; |
| 63 | bool isValidMode(int ID); |
| 64 | void handleUEvent(char* str); |
| 65 | int getModeOrder(int mode); |
| 66 | int getBestMode(); |
| 67 | |
| 68 | int fd; |
| 69 | int mExternalDisplay; |
| 70 | int mCurrentID; |
| 71 | char mEDIDs[128]; |
| 72 | int mEDIDModes[64]; |
| 73 | int mModeCount; |
| 74 | hwc_context_t *mHwcContext; |
| 75 | static android::sp<ExtDisplayObserver> sExtDisplayObserverInstance; |
| 76 | }; |
| 77 | |
| 78 | }; //qhwc |
| 79 | // --------------------------------------------------------------------------- |
| 80 | #endif //HWC_EXT_OBSERVER_H |