text: /*
   * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
   *
   * SPDX-License-Identifier: BSD-2-Clause
   */
  
  #pragma once
  
  #include <AK/CircularQueue.h>
  #include <AK/DoublyLinkedList.h>
  #include <AK/Types.h>
  #include <Kernel/API/KeyCode.h>
  #include <Kernel/Devices/HID/I8042Controller.h>
  #include <Kernel/Devices/HID/KeyboardDevice.h>
  #include <Kernel/Interrupts/IRQHandler.h>
  #include <Kernel/Random.h>
  #include <LibKeyboard/CharacterMap.h>
  
  namespace Kernel {
  
  class PS2KeyboardDevice final : public IRQHandler
      , public KeyboardDevice
      , public I8042Device {
  public:
      static RefPtr<PS2KeyboardDevice> try_to_initialize(const I8042Controller&);
      virtual ~PS2KeyboardDevice() override;
      bool initialize();
  
      virtual StringView purpose() const override { return class_name(); }
  
      // ^I8042Device
      virtual void irq_handle_byte_read(u8 byte) override;
      virtual void enable_interrupts() override
      {
          enable_irq();
      }
  
      // FIXME: We expose this constructor to make try_create_device helper to work
      explicit PS2KeyboardDevice(const I8042Controller&);
  
  private:
      // ^IRQHandler
      virtual bool handle_irq(const RegisterState&) override;
  
      // ^CharacterDevice
      virtual StringView class_name() const override { return "KeyboardDevice"; }
  };
  
  }
  