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      1 /*
      2 * Copyright (c) 2016-2017, 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 __HW_EVENTS_INTERFACE_H__
     26 #define __HW_EVENTS_INTERFACE_H__
     27 
     28 #include <private/hw_info_types.h>
     29 #include <inttypes.h>
     30 #include <utility>
     31 #include <vector>
     32 
     33 namespace sdm {
     34 
     35 class HWEventHandler;
     36 
     37 enum HWEvent {
     38   VSYNC = 0,
     39   EXIT,
     40   IDLE_NOTIFY,
     41   SHOW_BLANK_EVENT,
     42   THERMAL_LEVEL,
     43   IDLE_POWER_COLLAPSE,
     44 };
     45 
     46 class HWEventsInterface {
     47  public:
     48   virtual DisplayError Init(int display_type, HWEventHandler *event_handler,
     49                             const std::vector<HWEvent> &event_list) = 0;
     50   virtual DisplayError Deinit() = 0;
     51 
     52   static DisplayError Create(int display_type, HWEventHandler *event_handler,
     53                              const std::vector<HWEvent> &event_list, HWEventsInterface **intf);
     54   static DisplayError Destroy(HWEventsInterface *intf);
     55 
     56  protected:
     57   virtual ~HWEventsInterface() { }
     58 };
     59 
     60 }  // namespace sdm
     61 
     62 #endif  // __HW_EVENTS_INTERFACE_H__
     63 
     64