Home | History | Annotate | Download | only in drm_hwcomposer
      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