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      1 /*
      2 * Copyright (c) 2015 - 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 __EXTENSION_INTERFACE_H__
     26 #define __EXTENSION_INTERFACE_H__
     27 
     28 #include <core/sdm_types.h>
     29 #include <core/display_interface.h>
     30 
     31 #include "partial_update_interface.h"
     32 #include "strategy_interface.h"
     33 #include "resource_interface.h"
     34 #include "rotator_interface.h"
     35 
     36 namespace sdm {
     37 
     38 #define EXTENSION_LIBRARY_NAME "libsdmextension.so"
     39 #define CREATE_EXTENSION_INTERFACE_NAME "CreateExtensionInterface"
     40 #define DESTROY_EXTENSION_INTERFACE_NAME "DestroyExtensionInterface"
     41 
     42 #define EXTENSION_REVISION_MAJOR (1)
     43 #define EXTENSION_REVISION_MINOR (0)
     44 
     45 #define EXTENSION_VERSION_TAG ((uint16_t) ((EXTENSION_REVISION_MAJOR << 8) \
     46                                           | EXTENSION_REVISION_MINOR))
     47 
     48 class ExtensionInterface;
     49 
     50 typedef DisplayError (*CreateExtensionInterface)(uint16_t version, ExtensionInterface **interface);
     51 typedef DisplayError (*DestroyExtensionInterface)(ExtensionInterface *interface);
     52 
     53 class ExtensionInterface {
     54  public:
     55   virtual DisplayError CreatePartialUpdate(DisplayType type, const HWResourceInfo &hw_resource_info,
     56                                            const HWPanelInfo &hw_panel_info,
     57                                            const HWMixerAttributes &mixer_attributes,
     58                                            const HWDisplayAttributes &display_attributes,
     59                                            PartialUpdateInterface **interface) = 0;
     60   virtual DisplayError DestroyPartialUpdate(PartialUpdateInterface *interface) = 0;
     61 
     62   virtual DisplayError CreateStrategyExtn(DisplayType type, HWDisplayMode mode,
     63                                           HWS3DMode s3d_mode,
     64                                           const HWMixerAttributes &mixer_attributes,
     65                                           const DisplayConfigVariableInfo &fb_config,
     66                                           StrategyInterface **interface) = 0;
     67   virtual DisplayError DestroyStrategyExtn(StrategyInterface *interface) = 0;
     68 
     69   virtual DisplayError CreateResourceExtn(const HWResourceInfo &hw_resource_info,
     70                                           ResourceInterface **interface,
     71                                           BufferSyncHandler *buffer_sync_handler) = 0;
     72   virtual DisplayError DestroyResourceExtn(ResourceInterface *interface) = 0;
     73 
     74   virtual DisplayError CreateRotator(const HWRotatorInfo &hw_rot_info,
     75                                      BufferAllocator *buffer_allocator,
     76                                      BufferSyncHandler *buffer_sync_handler,
     77                                      RotatorInterface **intf) = 0;
     78   virtual DisplayError DestroyRotator(RotatorInterface *intf) = 0;
     79 
     80  protected:
     81   virtual ~ExtensionInterface() { }
     82 };
     83 
     84 }  // namespace sdm
     85 
     86 #endif  // __EXTENSION_INTERFACE_H__
     87 
     88