1 /*
2  * Copyright 2022 The Android Open Source Project
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 
17 #pragma once
18 
19 #include <android-base/logging.h>
20 #include <android-base/unique_fd.h>
21 #include <xf86drm.h>
22 #include <xf86drmMode.h>
23 
24 #include <cstdint>
25 #include <memory>
26 #include <string>
27 #include <unordered_map>
28 
29 #include "Common.h"
30 #include "DrmProperty.h"
31 
32 namespace aidl::android::hardware::graphics::composer3::impl {
33 
34 class DrmCrtc {
35    public:
36     static std::unique_ptr<DrmCrtc> create(::android::base::borrowed_fd drmFd, uint32_t crtcId,
37                                            uint32_t crtcIndexInResourcesArray);
~DrmCrtc()38     ~DrmCrtc() {}
39 
getId()40     uint32_t getId() const { return mId; }
41 
getActiveProperty()42     const DrmProperty& getActiveProperty() const { return mActive; }
getModeProperty()43     const DrmProperty& getModeProperty() const { return mMode; }
getOutFenceProperty()44     const DrmProperty& getOutFenceProperty() const { return mOutFence; }
45 
46    private:
DrmCrtc(uint32_t id,uint32_t index)47     DrmCrtc(uint32_t id, uint32_t index) : mId(id), mIndexInResourcesArray(index) {}
48 
49     friend class DrmPlane;
50 
51     const uint32_t mId;
52     const uint32_t mIndexInResourcesArray;
53 
54     DrmProperty mActive;
55     DrmProperty mMode;
56     DrmProperty mOutFence;
57 
GetPropertiesMap()58     static const auto& GetPropertiesMap() {
59         static const auto* sMap = []() {
60             return new DrmPropertyMemberMap<DrmCrtc>{
61                 {"ACTIVE", &DrmCrtc::mActive},
62                 {"MODE_ID", &DrmCrtc::mMode},
63                 {"OUT_FENCE_PTR", &DrmCrtc::mOutFence},
64             };
65         }();
66         return *sMap;
67     }
68 };
69 
70 }  // namespace aidl::android::hardware::graphics::composer3::impl
71