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 "drmplane.h" 25 26 #include <stdint.h> 27 28 namespace android { 29 30 class DrmResources { 31 public: 32 typedef std::vector<DrmConnector *>::const_iterator ConnectorIter; 33 typedef std::vector<DrmPlane *>::const_iterator PlaneIter; 34 35 DrmResources(); 36 ~DrmResources(); 37 38 int Init(); 39 40 int fd() const; 41 42 ConnectorIter begin_connectors() const; 43 ConnectorIter end_connectors() const; 44 PlaneIter begin_planes() const; 45 PlaneIter end_planes() const; 46 47 DrmConnector *GetConnectorForDisplay(int display) const; 48 DrmCrtc *GetCrtcForDisplay(int display) const; 49 DrmPlane *GetPlane(uint32_t id) const; 50 DrmCompositor *compositor(); 51 52 int GetPlaneProperty(const DrmPlane &plane, const char *prop_name, 53 DrmProperty *property); 54 int GetCrtcProperty(const DrmCrtc &crtc, const char *prop_name, 55 DrmProperty *property); 56 int GetConnectorProperty(const DrmConnector &connector, const char *prop_name, 57 DrmProperty *property); 58 59 uint32_t next_mode_id(); 60 int SetDisplayActiveMode(int display, const DrmMode &mode); 61 int SetDpmsMode(int display, uint64_t mode); 62 63 private: 64 int TryEncoderForDisplay(int display, DrmEncoder *enc); 65 int GetProperty(uint32_t obj_id, uint32_t obj_type, const char *prop_name, 66 DrmProperty *property); 67 68 int CreateDisplayPipe(DrmConnector *connector); 69 70 int CreatePropertyBlob(void *data, size_t length, uint32_t *blob_id); 71 int DestroyPropertyBlob(uint32_t blob_id); 72 73 int fd_; 74 uint32_t mode_id_; 75 76 std::vector<DrmConnector *> connectors_; 77 std::vector<DrmEncoder *> encoders_; 78 std::vector<DrmCrtc *> crtcs_; 79 std::vector<DrmPlane *> planes_; 80 DrmCompositor compositor_; 81 }; 82 } 83 84 #endif // ANDROID_DRM_H_ 85