1 /* 2 // Copyright (c) 2014 Intel Corporation 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 */ 16 #ifndef TTMBUFFERMAPPER_H_ 17 #define TTMBUFFERMAPPER_H_ 18 19 #include <DataBuffer.h> 20 #include <BufferMapper.h> 21 #include <ips/common/Wsbm.h> 22 23 namespace android { 24 namespace intel { 25 26 class TTMBufferMapper : public BufferMapper { 27 public: 28 TTMBufferMapper(Wsbm& wsbm, DataBuffer& buffer); 29 virtual ~TTMBufferMapper(); 30 public: 31 bool map(); 32 bool unmap(); 33 getGttOffsetInPage(int)34 uint32_t getGttOffsetInPage(int /* subIndex */) const { 35 return mGttOffsetInPage; 36 } getCpuAddress(int)37 void* getCpuAddress(int /* subIndex */) const { 38 return mCpuAddress; 39 } getSize(int)40 uint32_t getSize(int /* subIndex */) const { 41 return mSize; 42 } getKHandle(int)43 uint32_t getKHandle(int /* subIndex */) { 44 return 0; 45 } getFbHandle(int)46 uint32_t getFbHandle(int /* subIndex */) { 47 return 0; 48 } putFbHandle()49 void putFbHandle() { 50 return; 51 } 52 53 // wait idle 54 bool waitIdle(); 55 private: 56 int mRefCount; 57 Wsbm& mWsbm; 58 void* mBufferObject; 59 60 // mapped info 61 uint32_t mGttOffsetInPage; 62 void* mCpuAddress; 63 uint32_t mSize; 64 }; 65 66 } //namespace intel 67 } //namespace android 68 69 70 #endif /* TTMBUFFERMAPPER_H_ */ 71