91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
/** @file
|
|
|
|
;******************************************************************************
|
|
;* Copyright (c) 2013, Insyde Software Corp. All Rights Reserved.
|
|
;*
|
|
;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
|
|
;* transmit, broadcast, present, recite, release, license or otherwise exploit
|
|
;* any part of this publication in any form, by any means, without the prior
|
|
;* written permission of Insyde Software Corporation.
|
|
;*
|
|
;******************************************************************************
|
|
*/
|
|
|
|
#ifndef _COMMON_EC_LIBRARY_H_
|
|
#define _COMMON_EC_LIBRARY_H_
|
|
|
|
#include <Uefi.h>
|
|
|
|
#define KEY_OBF 1
|
|
#define KEY_IBF 2
|
|
#define KEY_DATA 0x60
|
|
#define KEY_CMD_STATE 0x64
|
|
#define KBC_READ_CMD_BYTE 0x20
|
|
#define KBC_WRITE_CMD_BYTE 0x60
|
|
#define IRQ_8259_MASK 0x21
|
|
|
|
EFI_STATUS
|
|
Stall (
|
|
IN UINTN Microseconds
|
|
);
|
|
|
|
/**
|
|
Wait for output buffer full
|
|
|
|
@param[in] CommandState - the Io to read.
|
|
|
|
@retval EFI_SUCCESS - input buffer full.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
WaitKbcObf (
|
|
IN UINT16 CommandState
|
|
);
|
|
|
|
/**
|
|
Wait for input buffer empty
|
|
|
|
@param[in] CommandState - the Io to read.
|
|
|
|
@retval EFI_SUCCESS - input buffer full.
|
|
|
|
|
|
**/
|
|
EFI_STATUS
|
|
WaitKbcIbe (
|
|
IN UINT16 CommandState
|
|
);
|
|
|
|
/**
|
|
Write data to Kbc data port
|
|
|
|
@param[in] CommandState - the Io to write.
|
|
@param[in] Data - The data which want write to Kbc data port
|
|
|
|
@retval EFI_SUCCESS - Write data to Kbc port successfully
|
|
|
|
**/
|
|
EFI_STATUS
|
|
WriteKbc (
|
|
IN UINT16 CommandState,
|
|
IN UINT8 Data
|
|
);
|
|
|
|
/**
|
|
Read data from kbc data port
|
|
|
|
@param[in] CommandState - the Io to read.
|
|
@param[in] Data - IN OUT :The data which read from Kbc data port
|
|
|
|
@retval EFI_SUCCESS - Read data from Kbc port successfully.
|
|
@retval EFI_INVALID_PARAMETER - The input parameter is invalid.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
ReadKbc (
|
|
IN UINT16 CommandState,
|
|
IN OUT UINT8 *Data
|
|
);
|
|
|
|
#endif
|