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#ifndef _EFI_SER_H #define _EFI_SER_H
/*++
Copyright (c) 1998 Intel Corporation
Module Name:
efiser.h
Abstract:
EFI serial protocol
Revision History
--*/
// // Serial protocol //
#define SERIAL_IO_PROTOCOL \ { 0xBB25CF6F, 0xF1D4, 0x11D2, {0x9A, 0x0C, 0x00, 0x90, 0x27, 0x3F, 0xC1, 0xFD} }
INTERFACE_DECL(_SERIAL_IO_INTERFACE);
typedef enum { DefaultParity, NoParity, EvenParity, OddParity, MarkParity, SpaceParity } EFI_PARITY_TYPE;
typedef enum { DefaultStopBits, OneStopBit, // 1 stop bit OneFiveStopBits, // 1.5 stop bits TwoStopBits // 2 stop bits } EFI_STOP_BITS_TYPE;
#define EFI_SERIAL_CLEAR_TO_SEND 0x0010 // RO #define EFI_SERIAL_DATA_SET_READY 0x0020 // RO #define EFI_SERIAL_RING_INDICATE 0x0040 // RO #define EFI_SERIAL_CARRIER_DETECT 0x0080 // RO #define EFI_SERIAL_REQUEST_TO_SEND 0x0002 // WO #define EFI_SERIAL_DATA_TERMINAL_READY 0x0001 // WO #define EFI_SERIAL_INPUT_BUFFER_EMPTY 0x0100 // RO #define EFI_SERIAL_OUTPUT_BUFFER_EMPTY 0x0200 // RO #define EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE 0x1000 // RW #define EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE 0x2000 // RW #define EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE 0x4000 // RW
typedef EFI_STATUS (EFIAPI *EFI_SERIAL_RESET) ( IN struct _SERIAL_IO_INTERFACE *This );
typedef EFI_STATUS (EFIAPI *EFI_SERIAL_SET_ATTRIBUTES) ( IN struct _SERIAL_IO_INTERFACE *This, IN UINT64 BaudRate, IN UINT32 ReceiveFifoDepth, IN UINT32 Timeout, IN EFI_PARITY_TYPE Parity, IN UINT8 DataBits, IN EFI_STOP_BITS_TYPE StopBits );
typedef EFI_STATUS (EFIAPI *EFI_SERIAL_SET_CONTROL_BITS) ( IN struct _SERIAL_IO_INTERFACE *This, IN UINT32 Control );
typedef EFI_STATUS (EFIAPI *EFI_SERIAL_GET_CONTROL_BITS) ( IN struct _SERIAL_IO_INTERFACE *This, OUT UINT32 *Control );
typedef EFI_STATUS (EFIAPI *EFI_SERIAL_WRITE) ( IN struct _SERIAL_IO_INTERFACE *This, IN OUT UINTN *BufferSize, IN VOID *Buffer );
typedef EFI_STATUS (EFIAPI *EFI_SERIAL_READ) ( IN struct _SERIAL_IO_INTERFACE *This, IN OUT UINTN *BufferSize, OUT VOID *Buffer );
typedef struct { UINT32 ControlMask;
// current Attributes UINT32 Timeout; UINT64 BaudRate; UINT32 ReceiveFifoDepth; UINT32 DataBits; UINT32 Parity; UINT32 StopBits; } SERIAL_IO_MODE;
#define SERIAL_IO_INTERFACE_REVISION 0x00010000
typedef struct _SERIAL_IO_INTERFACE { UINT32 Revision; EFI_SERIAL_RESET Reset; EFI_SERIAL_SET_ATTRIBUTES SetAttributes; EFI_SERIAL_SET_CONTROL_BITS SetControl; EFI_SERIAL_GET_CONTROL_BITS GetControl; EFI_SERIAL_WRITE Write; EFI_SERIAL_READ Read;
SERIAL_IO_MODE *Mode; } SERIAL_IO_INTERFACE;
#endif
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