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      1 /*
      2 * Copyright (c) 2014 - 2016, The Linux Foundation. All rights reserved.
      3 *
      4 * Redistribution and use in source and binary forms, with or without modification, are permitted
      5 * provided that the following conditions are met:
      6 *    * Redistributions of source code must retain the above copyright notice, this list of
      7 *      conditions and the following disclaimer.
      8 *    * Redistributions in binary form must reproduce the above copyright notice, this list of
      9 *      conditions and the following disclaimer in the documentation and/or other materials provided
     10 *      with the distribution.
     11 *    * Neither the name of The Linux Foundation nor the names of its contributors may be used to
     12 *      endorse or promote products derived from this software without specific prior written
     13 *      permission.
     14 *
     15 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     17 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
     18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     21 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     22 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23 */
     24 
     25 #ifndef __CORE_IMPL_H__
     26 #define __CORE_IMPL_H__
     27 
     28 #include <core/core_interface.h>
     29 #include <private/extension_interface.h>
     30 #include <private/color_interface.h>
     31 #include <utils/locker.h>
     32 #include <utils/sys.h>
     33 
     34 #include "hw_interface.h"
     35 #include "comp_manager.h"
     36 
     37 #define SET_REVISION(major, minor) ((major << 8) | minor)
     38 
     39 namespace sdm {
     40 
     41 class HWInfoInterface;
     42 class RotatorCtrl;
     43 
     44 class CoreImpl : public CoreInterface {
     45  public:
     46   // This class implements display core interface revision 1.0.
     47   static const uint16_t kRevision = SET_REVISION(1, 0);
     48   CoreImpl(BufferAllocator *buffer_allocator, BufferSyncHandler *buffer_sync_handler);
     49   virtual ~CoreImpl() { }
     50 
     51   // This method returns the interface revision for the current display core object.
     52   // Future revisions will override this method and return the appropriate revision upon query.
     53   virtual uint16_t GetRevision() { return kRevision; }
     54   virtual DisplayError Init();
     55   virtual DisplayError Deinit();
     56 
     57   // Methods from core interface
     58   virtual DisplayError CreateDisplay(DisplayType type, DisplayEventHandler *event_handler,
     59                                      DisplayInterface **intf);
     60   virtual DisplayError DestroyDisplay(DisplayInterface *intf);
     61   virtual DisplayError SetMaxBandwidthMode(HWBwModes mode);
     62   virtual DisplayError GetFirstDisplayInterfaceType(HWDisplayInterfaceInfo *hw_disp_info);
     63 
     64  protected:
     65   Locker locker_;
     66   BufferAllocator *buffer_allocator_;
     67   BufferSyncHandler *buffer_sync_handler_;
     68   HWResourceInfo hw_resource_;
     69   CompManager comp_mgr_;
     70   HWInfoInterface *hw_info_intf_ = NULL;
     71   RotatorInterface *rotator_intf_ = NULL;
     72   DynLib extension_lib_;
     73   ExtensionInterface *extension_intf_ = NULL;
     74   CreateExtensionInterface create_extension_intf_ = NULL;
     75   DestroyExtensionInterface destroy_extension_intf_ = NULL;
     76 };
     77 
     78 }  // namespace sdm
     79 
     80 #endif  // __CORE_IMPL_H__
     81 
     82