SuperIo.h

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#ifndef __EFI_SUPER_IO_PPI_H__
#define __EFI_SUPER_IO_PPI_H__
 
#include <Protocol/SuperIo.h>
 
#define EFI_SIO_PPI_GUID \
  { \
    0x23a464ad, 0xcb83, 0x48b8, {0x94, 0xab, 0x1a, 0x6f, 0xef, 0xcf, 0xe5, 0x22} \
  }
 
typedef struct _EFI_SIO_PPI  EFI_SIO_PPI;
typedef struct _EFI_SIO_PPI  *PEFI_SIO_PPI;
 
typedef UINT16 EFI_SIO_REGISTER;
#define EFI_SIO_REG(ldn, reg)  (EFI_SIO_REGISTER) (((ldn) << 8) | reg)
#define EFI_SIO_LDN_GLOBAL  0xFF
 
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_SIO_REGISTER_READ)(
  IN EFI_PEI_SERVICES       **PeiServices,
  IN CONST EFI_SIO_PPI      *This,
  IN BOOLEAN                ExitCfgMode,
  IN EFI_SIO_REGISTER       Register,
  OUT UINT8                 *IoData
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_SIO_REGISTER_WRITE)(
  IN EFI_PEI_SERVICES       **PeiServices,
  IN CONST EFI_SIO_PPI      *This,
  IN BOOLEAN                ExitCfgMode,
  IN EFI_SIO_REGISTER       Register,
  IN UINT8                  IoData
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_SIO_REGISTER_MODIFY)(
  IN EFI_PEI_SERVICES              **PeiServices,
  IN CONST EFI_SIO_PPI             *This,
  IN CONST EFI_SIO_REGISTER_MODIFY *Command,
  IN UINTN                         NumberOfCommands
  );
 
#define EFI_ACPI_PNP_HID_END  EFI_PNP_ID (0x0000)
 
typedef UINT32 EFI_ACPI_HID;
typedef UINT32 EFI_ACPI_UID;
#pragma pack(1)
typedef struct _EFI_SIO_INFO {
  EFI_ACPI_HID    Hid;
  EFI_ACPI_UID    Uid;
  UINT8           Ldn;
} EFI_SIO_INFO, *PEFI_SIO_INFO;
#pragma pack()
 
struct _EFI_SIO_PPI {
  EFI_PEI_SIO_REGISTER_READ      Read;
  EFI_PEI_SIO_REGISTER_WRITE     Write;
  EFI_PEI_SIO_REGISTER_MODIFY    Modify;
  EFI_GUID                       SioGuid;
  PEFI_SIO_INFO                  Info;
};
 
extern EFI_GUID  gEfiSioPpiGuid;
 
#endif