git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6242 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			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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|                                                                                           
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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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| 
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| Module Name:
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|   LegacyMetronome.h
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| 
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| Abstract:
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| 
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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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| --*/
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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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| //
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| // Statements that include other files
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| //
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| #include <PiDxe.h>
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| 
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| #include <Protocol/Metronome.h>
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| 
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| #include <Library/DebugLib.h>
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| #include <Library/UefiBootServicesTableLib.h>
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| #include <Library/IoLib.h>
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| 
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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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| //
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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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| 
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| Routine Description:
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| 
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|   TODO: Add function description
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| 
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| Arguments:
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| 
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|   This        - TODO: add argument description
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|   TickNumber  - TODO: add argument description
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| 
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| Returns:
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| 
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|   TODO: add return values
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| 
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| --*/
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| ;
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| 
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| #endif
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