1 /*++ 2 3 Copyright (c) 2005, Intel Corporation. All rights reserved.<BR> 4 This program and the accompanying materials 5 are licensed and made available under the terms and conditions of the BSD License 6 which accompanies this distribution. The full text of the license may be found at 7 http://opensource.org/licenses/bsd-license.php 8 9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 12 Module Name: 13 LegacyMetronome.h 14 15 Abstract: 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 // 51 EFI_STATUS 52 EFIAPI 53 WaitForTick ( 54 IN EFI_METRONOME_ARCH_PROTOCOL *This, 55 IN UINT32 TickNumber 56 ) 57 /*++ 58 59 Routine Description: 60 61 TODO: Add function description 62 63 Arguments: 64 65 This - TODO: add argument description 66 TickNumber - TODO: add argument description 67 68 Returns: 69 70 TODO: add return values 71 72 --*/ 73 ; 74 75 #endif 76
