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/*++
Copyright (c) 2005, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
LegacyMetronome.h
Abstract:
Driver implementing the EFI 2.0 metronome protocol using the legacy PORT 61
timer.
--*/
#ifndef _LEGACY_METRONOME_H
#define _LEGACY_METRONOME_H
//
// Statements that include other files
//
#include <PiDxe.h>
#include <Protocol/Metronome.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/IoLib.h>
//
// Private definitions
//
#define TICK_PERIOD 300
#define REFRESH_PORT 0x61
#define REFRESH_ON 0x10
#define REFRESH_OFF 0x00
#define TIMER1_CONTROL_PORT 0x43
#define TIMER1_COUNT_PORT 0x41
#define LOAD_COUNTER1_LSB 0x54
#define COUNTER1_COUNT 0x12
//
// Function Prototypes
//
EFI_STATUS
EFIAPI
WaitForTick (
IN EFI_METRONOME_ARCH_PROTOCOL *This,
IN UINT32 TickNumber
)
/*++
Routine Description:
TODO: Add function description
Arguments:
This - TODO: add argument description
TickNumber - TODO: add argument description
Returns:
TODO: add return values
--*/
;
#endif
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