1 /*
2  * Copyright (C) 2015 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 #ifndef ANDROID_DRM_PROPERTY_H_
18 #define ANDROID_DRM_PROPERTY_H_
19 
20 #include <stdint.h>
21 #include <string>
22 #include <xf86drmMode.h>
23 #include <vector>
24 
25 namespace android {
26 
27 enum DrmPropertyType {
28   DRM_PROPERTY_TYPE_INT,
29   DRM_PROPERTY_TYPE_ENUM,
30   DRM_PROPERTY_TYPE_OBJECT,
31   DRM_PROPERTY_TYPE_BLOB,
32   DRM_PROPERTY_TYPE_INVALID,
33 };
34 
35 class DrmProperty {
36  public:
37   DrmProperty() = default;
38   DrmProperty(drmModePropertyPtr p, uint64_t value);
39   DrmProperty(const DrmProperty &) = delete;
40   DrmProperty &operator=(const DrmProperty &) = delete;
41 
42   void Init(drmModePropertyPtr p, uint64_t value);
43 
44   uint32_t id() const;
45   std::string name() const;
46 
47   int value(uint64_t *value) const;
48 
49  private:
50   class DrmPropertyEnum {
51    public:
52     DrmPropertyEnum(drm_mode_property_enum *e);
53     ~DrmPropertyEnum();
54 
55     uint64_t value_;
56     std::string name_;
57   };
58 
59   uint32_t id_ = 0;
60 
61   DrmPropertyType type_ = DRM_PROPERTY_TYPE_INVALID;
62   uint32_t flags_ = 0;
63   std::string name_;
64   uint64_t value_ = 0;
65 
66   std::vector<uint64_t> values_;
67   std::vector<DrmPropertyEnum> enums_;
68   std::vector<uint32_t> blob_ids_;
69 };
70 }
71 
72 #endif  // ANDROID_DRM_PROPERTY_H_
73