1 files changed, 69 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/Metronome/LegacyMetronome.h b/Vlv2TbltDevicePkg/Metronome/LegacyMetronome.h
new file mode 100644
index 0000000000..b9c32da1f2
--- /dev/null
+++ b/Vlv2TbltDevicePkg/Metronome/LegacyMetronome.h
@@ -0,0 +1,69 @@
+/*++
+
+  Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
+                                                                                   
+  This program and the accompanying materials are licensed and made available under
+  the terms and conditions of the BSD License that 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 "Protocol/Metronome.h"
+#include "Protocol/CpuIo.h"
+#include "Library/DebugLib.h"
+#include "Library/UefiBootServicesTableLib.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
+//
+/**
+  Waits for the TickNumber of ticks from a known platform time source.
+
+  @param This                 Pointer to the protocol instance.
+  @param TickNumber           Tick Number to be waited
+
+  @retval EFI_SUCCESS         If number of ticks occurred.
+  @retval EFI_NOT_FOUND       Could not locate CPU IO protocol
+
+**/
+EFI_STATUS
+EFIAPI
+WaitForTick (
+  IN EFI_METRONOME_ARCH_PROTOCOL  *This,
+  IN UINT32                       TickNumber
+  );
+
+#endif