| /*++ | |
| 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 |