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  DrmConnector *GetConnectorForDisplay(int display) const;
51  DrmCrtc *GetCrtcForDisplay(int display) const;
52  DrmPlane *GetPlane(uint32_t id) const;
53  DrmCompositor *compositor();
54  DrmEventListener *event_listener();
55
56  int GetPlaneProperty(const DrmPlane &plane, const char *prop_name,
57                       DrmProperty *property);
58  int GetCrtcProperty(const DrmCrtc &crtc, const char *prop_name,
59                      DrmProperty *property);
60  int GetConnectorProperty(const DrmConnector &connector, const char *prop_name,
61                           DrmProperty *property);
62
63  uint32_t next_mode_id();
64  int SetDisplayActiveMode(int display, const DrmMode &mode);
65  int SetDpmsMode(int display, uint64_t mode);
66
67  int CreatePropertyBlob(void *data, size_t length, uint32_t *blob_id);
68  int DestroyPropertyBlob(uint32_t blob_id);
69
70 private:
71  int TryEncoderForDisplay(int display, DrmEncoder *enc);
72  int GetProperty(uint32_t obj_id, uint32_t obj_type, const char *prop_name,
73                  DrmProperty *property);
74
75  int CreateDisplayPipe(DrmConnector *connector);
76
77  UniqueFd fd_;
78  uint32_t mode_id_ = 0;
79
80  std::vector<std::unique_ptr<DrmConnector>> connectors_;
81  std::vector<std::unique_ptr<DrmEncoder>> encoders_;
82  std::vector<std::unique_ptr<DrmCrtc>> crtcs_;
83  std::vector<std::unique_ptr<DrmPlane>> planes_;
84  DrmCompositor compositor_;
85  DrmEventListener event_listener_;
86};
87}
88
89#endif  // ANDROID_DRM_H_
90