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_CRTC_H_
18 #define ANDROID_DRM_CRTC_H_
19 
20 #include "drmmode.h"
21 #include "drmproperty.h"
22 
23 #include <stdint.h>
24 #include <xf86drmMode.h>
25 
26 namespace android {
27 
28 class DrmResources;
29 
30 class DrmCrtc {
31  public:
32   DrmCrtc(DrmResources *drm, drmModeCrtcPtr c, unsigned pipe);
33   DrmCrtc(const DrmCrtc &) = delete;
34   DrmCrtc &operator=(const DrmCrtc &) = delete;
35 
36   int Init();
37 
38   uint32_t id() const;
39   unsigned pipe() const;
40 
41   int display() const;
42   void set_display(int display);
43 
44   bool can_bind(int display) const;
45 
46   const DrmProperty &active_property() const;
47   const DrmProperty &mode_property() const;
48 
49  private:
50   DrmResources *drm_;
51 
52   uint32_t id_;
53   unsigned pipe_;
54   int display_;
55 
56   uint32_t x_;
57   uint32_t y_;
58   uint32_t width_;
59   uint32_t height_;
60 
61   DrmMode mode_;
62   bool mode_valid_;
63 
64   DrmProperty active_property_;
65   DrmProperty mode_property_;
66 };
67 }
68 
69 #endif  // ANDROID_DRM_CRTC_H_
70