AmiPointer.h

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#ifndef AMI_POINTER_H
#define AMI_POINTER_H
 
#include <Library/BaseOverflowLib.h>
 
// 15A10CE7-EAB5-43BF-9042-74432E696377
#define AMI_EFIPOINTER_PROTOCOL_GUID \
    { 0x15A10CE7, 0xEAB5, 0x43BF, { 0x90, 0x42, 0x74, 0x43, 0x2E, 0x69, 0x63, 0x77 } }
 
extern EFI_GUID  gAmiEfiPointerProtocolGuid;
 
typedef struct _AMI_EFIPOINTER_PROTOCOL AMI_EFIPOINTER_PROTOCOL;
 
// Unless Changed == 1, no data is provided
typedef struct {
  UINT8    Absolute;
  UINT8    One;
  UINT8    Changed;
  UINT8    Reserved;
  INT32    PositionX;
  INT32    PositionY;
  INT32    PositionZ;
} AMI_POINTER_POSITION_STATE_DATA;
 
STATIC_ASSERT (
  sizeof (AMI_POINTER_POSITION_STATE_DATA) == 16,
  "AMI_POINTER_POSITION_STATE_DATA is expected to be 16 bytes"
  );
 
// Unless Changed == 1, no data is provided
typedef struct {
  UINT8    Changed;
  UINT8    LeftButton;
  UINT8    MiddleButton;
  UINT8    RightButton;
} AMI_POINTER_BUTTON_STATE_DATA;
 
STATIC_ASSERT (
  sizeof (AMI_POINTER_BUTTON_STATE_DATA) == 4,
  "AMI_POINTER_BUTTON_STATE_DATA is expected to be 4 bytes"
  );
 
typedef
VOID
(EFIAPI *AMI_EFIPOINTER_RESET)(
  IN AMI_EFIPOINTER_PROTOCOL  *This
  );
 
typedef
VOID
(EFIAPI *AMI_EFIPOINTER_GET_BUTTON_STATE)(
  IN  AMI_EFIPOINTER_PROTOCOL          *This,
  OUT AMI_POINTER_BUTTON_STATE_DATA    *State
  );
 
typedef
VOID
(EFIAPI *AMI_EFIPOINTER_GET_POSITION_STATE)(
  IN  AMI_EFIPOINTER_PROTOCOL          *This,
  OUT AMI_POINTER_POSITION_STATE_DATA  *State
  );
 
struct _AMI_EFIPOINTER_PROTOCOL {
  AMI_EFIPOINTER_RESET                 Reset;
  AMI_EFIPOINTER_GET_POSITION_STATE    GetPositionState;
  AMI_EFIPOINTER_GET_BUTTON_STATE      GetButtonState;
};
 
#endif // AMI_POINTER_H