1 /* 2 * Copyright (C) 2021–2022 Beijing OSWare Technology Co., Ltd 3 * This file contains confidential and proprietary information of 4 * OSWare Technology Co., Ltd 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 #ifndef DISPLAY_ADAPTER_INTERFACE_H 20 #define DISPLAY_ADAPTER_INTERFACE_H 21 #include <cstdint> 22 #include <sys/types.h> 23 #include "display_type.h" 24 25 #ifdef __cplusplus 26 extern "C" { 27 #endif 28 29 typedef struct { 30 IRect rect; 31 unsigned int stride; 32 unsigned long bufaddr; 33 int format; 34 int inFence; 35 int outFence; 36 } DisplayFrameInfo; 37 38 typedef struct { 39 int32_t (*OpenDevice)(const char *path, int flags, mode_t mode); 40 int32_t (*CloseDevice)(int32_t devFd); 41 int32_t (*Ioctl)(int32_t devFd, uint32_t cmd, void *args); 42 int32_t (*FbGetDmaBuffer)(int32_t devFd); 43 int32_t (*FbFresh)(int32_t devFd, DisplayFrameInfo *frame); 44 } DisplayAdapterFuncs; 45 46 int32_t DisplayAdapaterInitialize(DisplayAdapterFuncs **funcs); 47 int32_t DisplayAdapaterUninitialize(DisplayAdapterFuncs *funcs); 48 49 #ifdef __cplusplus 50 } 51 #endif 52 #endif // FB_ADAPTER_INTERFACE_H