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