SpiBus.h

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#ifndef SPI_BUS_H_
#define SPI_BUS_H_
 
#include <PiDxe.h>
#include <Library/BaseLib.h>
#include <Protocol/DevicePath.h>
#include <Library/DevicePathLib.h>
#include <Library/BaseMemoryLib.h>
#include <Protocol/SpiIo.h>
#include <Protocol/SpiHc.h>
#include <Protocol/SpiConfiguration.h>
 
#define SPI_IO_SIGNATURE  SIGNATURE_32 ('s', 'i', 'o', 'c')
 
typedef struct {
  UINTN                             Signature;
  EFI_HANDLE                        Handle;
  EFI_SPI_IO_PROTOCOL               Protocol;
  EFI_SPI_BUS_TRANSACTION           BusTransaction;
  EFI_SPI_CONFIGURATION_PROTOCOL    *SpiConfig;
  EFI_SPI_HC_PROTOCOL               *SpiHc;
  EFI_SPI_BUS                       *SpiBus;
} SPI_IO_CHIP;
 
#define SPI_IO_CHIP_FROM_THIS(a) \
  CR (a, SPI_IO_CHIP, Protocol, \
      SPI_IO_SIGNATURE)
 
BOOLEAN
EFIAPI
DevicePathsAreEqual (
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath1,
  IN CONST EFI_DEVICE_PATH_PROTOCOL  *DevicePath2
  );
 
EFI_STATUS
EFIAPI
Transaction (
  IN  CONST EFI_SPI_IO_PROTOCOL  *This,
  IN  EFI_SPI_TRANSACTION_TYPE   TransactionType,
  IN  BOOLEAN                    DebugTransaction,
  IN  UINT32                     ClockHz OPTIONAL,
  IN  UINT32                     BusWidth,
  IN  UINT32                     FrameSize,
  IN  UINT32                     WriteBytes,
  IN  UINT8                      *WriteBuffer,
  IN  UINT32                     ReadBytes,
  OUT UINT8                      *ReadBuffer
  );
 
EFI_STATUS
EFIAPI
UpdateSpiPeripheral (
  IN CONST EFI_SPI_IO_PROTOCOL  *This,
  IN CONST EFI_SPI_PERIPHERAL   *SpiPeripheral
  );
 
#endif //SPI_BUS_H_