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