1 /*
2  * Copyright (c) 2023 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_DRV_H
17 #define DISPLAY_DRV_H
18 
19 #include <stdint.h>
20 namespace OHOS {
21 namespace PowerMgr {
22 constexpr const char* FB_DEV_PATH = "/dev/graphics/fb0";
23 constexpr const char* DRM_DEV_PATH = "/dev/dri/card0";
24 using DisplayInfo = struct DisplayInfo_ {
25     int width {};
26     int height {};
27     unsigned int rowBytes {};
28     unsigned int pixelBytes {};
29 };
30 class DisplayDrv {
31 public:
DisplayDrv()32     DisplayDrv() : fd_(-1) {}
~DisplayDrv()33     virtual ~DisplayDrv() {}
34     virtual bool Init() = 0;
35     virtual void Flip(const uint8_t* buf) = 0;
36     virtual void GetDisplayInfo(DisplayInfo& dsInfo) = 0;
37     virtual void Blank(bool blank) = 0;
38     virtual void Exit() = 0;
39 
40 protected:
41     int fd_;
42 };
43 } // namespace PowerMgr
44 } // namespace OHOS
45 #endif
46