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 29 namespace android { 30 31 class DrmResources { 32 public: 33 DrmResources(); 34 ~DrmResources(); 35 36 int Init(); 37 fd()38 int fd() const { 39 return fd_.get(); 40 } 41 connectors()42 const std::vector<std::unique_ptr<DrmConnector>> &connectors() const { 43 return connectors_; 44 } 45 planes()46 const std::vector<std::unique_ptr<DrmPlane>> &planes() const { 47 return planes_; 48 } 49 min_resolution()50 std::pair<uint32_t, uint32_t> min_resolution() const { 51 return min_resolution_; 52 } 53 max_resolution()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