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_CONNECTOR_H_
18 #define ANDROID_DRM_CONNECTOR_H_
19 
20 #include <stdint.h>
21 #include <xf86drmMode.h>
22 
23 #include <string>
24 #include <vector>
25 
26 #include "DrmEncoder.h"
27 #include "DrmMode.h"
28 #include "DrmProperty.h"
29 
30 namespace android {
31 
32 class DrmDevice;
33 
34 class DrmConnector {
35  public:
36   DrmConnector(DrmDevice *drm, drmModeConnectorPtr c,
37                DrmEncoder *current_encoder,
38                std::vector<DrmEncoder *> &possible_encoders);
39   DrmConnector(const DrmProperty &) = delete;
40   DrmConnector &operator=(const DrmProperty &) = delete;
41 
42   int Init();
43   int UpdateEdidProperty();
44   int GetEdidBlob(drmModePropertyBlobPtr &blob);
45 
46   uint32_t id() const;
47 
48   int display() const;
49   void set_display(int display);
50 
51   bool internal() const;
52   bool external() const;
53   bool writeback() const;
54   bool valid_type() const;
55 
56   std::string name() const;
57 
58   int UpdateModes();
59 
modes()60   const std::vector<DrmMode> &modes() const {
61     return modes_;
62   }
63   const DrmMode &active_mode() const;
64   void set_active_mode(const DrmMode &mode);
65 
66   const DrmProperty &dpms_property() const;
67   const DrmProperty &crtc_id_property() const;
68   const DrmProperty &edid_property() const;
69   const DrmProperty &writeback_pixel_formats() const;
70   const DrmProperty &writeback_fb_id() const;
71   const DrmProperty &writeback_out_fence() const;
72 
possible_encoders()73   const std::vector<DrmEncoder *> &possible_encoders() const {
74     return possible_encoders_;
75   }
76   DrmEncoder *encoder() const;
77   void set_encoder(DrmEncoder *encoder);
78 
79   drmModeConnection state() const;
80 
81   uint32_t mm_width() const;
82   uint32_t mm_height() const;
83 
get_preferred_mode_id()84   uint32_t get_preferred_mode_id() const {
85     return preferred_mode_id_;
86   }
87 
88  private:
89   DrmDevice *drm_;
90 
91   uint32_t id_;
92   DrmEncoder *encoder_;
93   int display_;
94 
95   uint32_t type_;
96   uint32_t type_id_;
97   drmModeConnection state_;
98 
99   uint32_t mm_width_;
100   uint32_t mm_height_;
101 
102   DrmMode active_mode_;
103   std::vector<DrmMode> modes_;
104 
105   DrmProperty dpms_property_;
106   DrmProperty crtc_id_property_;
107   DrmProperty edid_property_;
108   DrmProperty writeback_pixel_formats_;
109   DrmProperty writeback_fb_id_;
110   DrmProperty writeback_out_fence_;
111 
112   std::vector<DrmEncoder *> possible_encoders_;
113 
114   uint32_t preferred_mode_id_;
115 };
116 }  // namespace android
117 
118 #endif  // ANDROID_DRM_PLANE_H_
119