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