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_H_
18#define ANDROID_DRM_H_
19
20#include "drmcompositor.h"
21#include "drmconnector.h"
22#include "drmcrtc.h"
23#include "drmencoder.h"
24#include "drmeventlistener.h"
25#include "drmplane.h"
26
27#include <stdint.h>
28
29namespace android {
30
31class DrmResources {
32 public:
33  DrmResources();
34  ~DrmResources();
35
36  int Init();
37
38  int fd() const {
39    return fd_.get();
40  }
41
42  const std::vector<std::unique_ptr<DrmConnector>> &connectors() const {
43    return connectors_;
44  }
45
46  const std::vector<std::unique_ptr<DrmPlane>> &planes() const {
47    return planes_;
48  }
49
50  std::pair<uint32_t, uint32_t> min_resolution() const {
51    return min_resolution_;
52  }
53
54  std::pair<uint32_t, uint32_t> max_resolution() const {
55    return max_resolution_;
56  }
57
58  DrmConnector *GetConnectorForDisplay(int display) const;
59  DrmCrtc *GetCrtcForDisplay(int display) const;
60  DrmPlane *GetPlane(uint32_t id) const;
61  DrmCompositor *compositor();
62  DrmEventListener *event_listener();
63
64  int GetPlaneProperty(const DrmPlane &plane, const char *prop_name,
65                       DrmProperty *property);
66  int GetCrtcProperty(const DrmCrtc &crtc, const char *prop_name,
67                      DrmProperty *property);
68  int GetConnectorProperty(const DrmConnector &connector, const char *prop_name,
69                           DrmProperty *property);
70
71  uint32_t next_mode_id();
72  int SetDisplayActiveMode(int display, const DrmMode &mode);
73  int SetDpmsMode(int display, uint64_t mode);
74
75  int CreatePropertyBlob(void *data, size_t length, uint32_t *blob_id);
76  int DestroyPropertyBlob(uint32_t blob_id);
77
78 private:
79  int TryEncoderForDisplay(int display, DrmEncoder *enc);
80  int GetProperty(uint32_t obj_id, uint32_t obj_type, const char *prop_name,
81                  DrmProperty *property);
82
83  int CreateDisplayPipe(DrmConnector *connector);
84
85  UniqueFd fd_;
86  uint32_t mode_id_ = 0;
87
88  std::vector<std::unique_ptr<DrmConnector>> connectors_;
89  std::vector<std::unique_ptr<DrmEncoder>> encoders_;
90  std::vector<std::unique_ptr<DrmCrtc>> crtcs_;
91  std::vector<std::unique_ptr<DrmPlane>> planes_;
92  DrmCompositor compositor_;
93  DrmEventListener event_listener_;
94
95  std::pair<uint32_t, uint32_t> min_resolution_;
96  std::pair<uint32_t, uint32_t> max_resolution_;
97};
98}
99
100#endif  // ANDROID_DRM_H_
101