1 /*
2  * Copyright (c) 2021-2023 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 HDI_DEVICE_COMMON_H
17 #define HDI_DEVICE_COMMON_H
18 #include <memory>
19 #include <unordered_map>
20 
21 namespace OHOS {
22 namespace HDI {
23 namespace DISPLAY {
24 const int32_t INVALID_MODE_ID = -1;
25 const uint32_t DRM_INVALID_ID = 0xFFFFFFFF;
26 template<typename T> using IdMapPtr = std::unordered_map<uint32_t, std::shared_ptr<T>>;
27 class DrmEncoder;
28 class DrmCrtc;
29 class DrmPlane;
30 class DrmDevice;
31 class DrmConnector;
32 class VsyncCallBack;
33 class DrmVsyncWorker;
34 } // namespace OHOS
35 } // namespace HDI
36 } // namespace DISPLAY
37 
38 #endif // HDI_DEVICE_COMMON_H
39