1/*++
2
3Copyright (c) 2005, Intel Corporation. All rights reserved.<BR>
4This program and the accompanying materials
5are licensed and made available under the terms and conditions of the BSD License
6which accompanies this distribution.  The full text of the license may be found at
7http://opensource.org/licenses/bsd-license.php
8
9THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
11
12Module Name:
13  LegacyMetronome.h
14
15Abstract:
16
17  Driver implementing the EFI 2.0 metronome protocol using the legacy PORT 61
18  timer.
19
20--*/
21
22#ifndef _LEGACY_METRONOME_H
23#define _LEGACY_METRONOME_H
24
25//
26// Statements that include other files
27//
28#include <PiDxe.h>
29
30#include <Protocol/Metronome.h>
31
32#include <Library/DebugLib.h>
33#include <Library/UefiBootServicesTableLib.h>
34#include <Library/IoLib.h>
35
36//
37// Private definitions
38//
39#define TICK_PERIOD         300
40#define REFRESH_PORT        0x61
41#define REFRESH_ON          0x10
42#define REFRESH_OFF         0x00
43#define TIMER1_CONTROL_PORT 0x43
44#define TIMER1_COUNT_PORT   0x41
45#define LOAD_COUNTER1_LSB   0x54
46#define COUNTER1_COUNT      0x12
47
48//
49// Function Prototypes
50//
51EFI_STATUS
52EFIAPI
53WaitForTick (
54  IN EFI_METRONOME_ARCH_PROTOCOL  *This,
55  IN UINT32                       TickNumber
56  )
57/*++
58
59Routine Description:
60
61  TODO: Add function description
62
63Arguments:
64
65  This        - TODO: add argument description
66  TickNumber  - TODO: add argument description
67
68Returns:
69
70  TODO: add return values
71
72--*/
73;
74
75#endif
76