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|
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
// $Header: /Alaska/SOURCE/Modules/KbcEmulation/ALASKA/KBCEMUL/KbcEmulLib.c 4 2/10/11 1:00a Rameshr $
//
// $Revision: 4 $
//
// $Date: 2/10/11 1:00a $
//
//****************************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/KbcEmulation/ALASKA/KBCEMUL/KbcEmulLib.c $
//
// 4 2/10/11 1:00a Rameshr
// [TAG] EIP53687
// [Category] Improvement
// [Description] AMI headers update for KbcEmulation Module
// [Files] KbcEmul.mak,KbcEmul.dxs,KbcEmul.c,KbcEmul.h,KbcEmulLib.h,Kbc
// EmulLib.c,Kbc.h,KbcDevEmul.h,Kbccore.c,Legacykbc.c,Legacykbd.c,LegacyMo
// use.c,VirtualKbc.c,VirtualKbd.c,VirtualMouse.c,Ap4x.h,Ap4x.c,KbcUhci.c,
// KbcUhci.h,KbcEmulIrq.c, KbcOhci.c, Kbcohci.h
//
// 3 6/30/09 11:29a Rameshr
// Coding Standard and File header updated.
//
// 2 2/05/09 9:40a Rameshr
// Symptom : With Latest CSM Emulation doesn't work.
// Solution: Added Emulation enable code in outside SMM. This is called
// from Uhcd.c when ever USB mode changes to Legacy
// EIP:18730
//
// 1 12/14/07 10:26a Rameshraju
// Initial Check-in
//****************************************************************************
//<AMI_FHDR_START>
//**********************************************************************
// Name: KbcEmullib.c
//
// Description: KBC emulation lib file that used in other files
//
//**********************************************************************
//<AMI_FHDR_END>
#include "KbcEmul.h"
#include "KbcEmulLib.h"
UINT16 WritePCIConfig(UINT16, UINT8);
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: ByteReadIO
//
// Description: This routine reads a Byte from the specified IO address
//
// Input: wIOAddr I/O address to read
//
// Output: Value read
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
UINT8
ByteReadIO(UINT16 wIOAddr)
{
UINT8 value;
gSmst->SmmIo.Io.Read(&gSmst->SmmIo, SMM_IO_UINT8, (UINT64)wIOAddr, 1, &value);
return value;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: ByteWriteIO
//
// Description: This routine writes a byte to the specified IO address
//
// Input: wIOAddr I/O address to write
// bValue Byte value to write
//
// Output: None
//
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
void
ByteWriteIO (UINT16 wIOAddr, UINT8 bValue)
{
gSmst->SmmIo.Io.Write(&gSmst->SmmIo, SMM_IO_UINT8, (UINT64)wIOAddr, 1, &bValue);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: WordReadIO
//
// Description: This routine reads a Word from the specified IO address
//
// Input: wIOAddr I/O address to read
//
// Output: Value read
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
UINT16
WordReadIO(UINT16 wIOAddr)
{
UINT16 value;
gSmst->SmmIo.Io.Read(&gSmst->SmmIo, SMM_IO_UINT16, (UINT64)wIOAddr, 1, &value);
return value;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: WordWriteIO
//
// Description: This routine writes a word to the specified IO address
//
// Input: wIOAddr I/O address to write
// wValue Word value to write
//
// Output: None
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
void
WordWriteIO (UINT16 wIOAddr, UINT16 wValue)
{
gSmst->SmmIo.Io.Write(&gSmst->SmmIo, SMM_IO_UINT16, (UINT64)wIOAddr, 1, &wValue);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: DwordReadIO
//
// Description: This routine reads a dword from the specified IO address
//
// Input: wIOAddr I/O address to read
//
// Output: Value read
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
UINT32
DwordReadIO(UINT16 wIOAddr)
{
UINT32 value;
gSmst->SmmIo.Io.Read(&gSmst->SmmIo, SMM_IO_UINT32, (UINT64)wIOAddr, 1, &value);
return value;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: DwordWriteIO
//
// Description: This routine writes a double word to the specified IO address
//
// Input: wIOAddr I/O address to write
// dValue Double word value to write
//
// Output: None
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
void
DwordWriteIO(UINT16 wIOAddr, UINT32 dValue)
{
gSmst->SmmIo.Io.Write(&gSmst->SmmIo, SMM_IO_UINT32, (UINT64)wIOAddr, 1, &dValue);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: ReadPCIConfig
//
// Description: This routine reads from the PCI configuration space register
// the value can be typecasted to 8bits - 32bits
//
// Input: BusDevFunc - Bus, device & function number of the PCI device
// Register - Register offset to read
//
// Output: Value read
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
UINT32
ReadPCIConfig(UINT16 BusDevFunc, UINT8 Register)
{
UINT32 data;
DwordWriteIO(0xCF8, (UINT32)(0x80000000 | (BusDevFunc<<8) | (Register & 0xFC)));
data = DwordReadIO(0xCFC);
return (data >> ((Register & 3) << 3)); // Adjust uneven register
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: ByteWritePCIConfig
//
// Description: This routine writes a byte value to the PCI configuration
// register space
//
// Input: BusDevFunc - Bus, device & function number of the PCI device
// Register - Register offset to read
// Value - Value to write
//
// Output: None
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
void
ByteWritePCIConfig(UINT16 BusDevFunc, UINT8 Register, UINT8 Value)
{
UINT16 wIOAddr;
wIOAddr = WritePCIConfig(BusDevFunc, Register);
ByteWriteIO (wIOAddr, Value);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: WordWritePCIConfig
//
// Description: This routine writes a byte value to the PCI configuration
// register space
//
// Input: BusDevFunc - Bus, device & function number of the PCI device
// Register - Register offset to read
// Value - Value to write
//
// Output: None
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
void
WordWritePCIConfig(UINT16 BusDevFunc, UINT8 Register, UINT16 Value)
{
UINT16 wIOAddr;
wIOAddr = WritePCIConfig(BusDevFunc, Register);
WordWriteIO (wIOAddr, Value);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: DwordWritePCIConfig
//
// Description: This routine writes a Dword value to the PCI configuration
// register space
//
// Input: BusDevFunc - Bus, device & function number of the PCI device
// Register - Register offset to read
// Value - Value to write
//
// Output: None
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
void
DwordWritePCIConfig(UINT16 BusDevFunc, UINT8 Register, UINT32 Value)
{
UINT16 wIOAddr;
wIOAddr = WritePCIConfig(BusDevFunc, Register);
DwordWriteIO (wIOAddr, Value);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: WritePCIConfig
//
// Description: This function opens PCI configuration for a given register
//
// Input: wBDF - Bus, device and function number
// bReg - Register number to read
//
// Output: IO register to write the value
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
UINT16
WritePCIConfig(UINT16 wBDF, UINT8 bReg)
{
DwordWriteIO(0xCF8, (UINT32)(0x80000000 | (wBDF<<8) | (bReg & 0xFC)));
return (UINT16)(0xCFC+(bReg & 3));
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: NonSmmByteReadIO
//
// Description: This routine reads a Byte from the specified IO address
//
// Input: wIOAddr I/O address to read
//
// Output: Value read
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
UINT8
NonSmmByteReadIO(UINT16 wIOAddr)
{
UINT8 value;
CpuIo->Io.Read(CpuIo, EfiCpuIoWidthUint8, wIOAddr, 1, &value);
return value;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: NonSmmByteWriteIO
//
// Description: This routine writes a byte to the specified IO address
//
// Input: wIOAddr I/O address to write
// bValue Byte value to write
//
// Output: None
//
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
void
NonSmmByteWriteIO (UINT16 wIOAddr, UINT8 bValue)
{
CpuIo->Io.Write(CpuIo, EfiCpuIoWidthUint8, wIOAddr, 1, &bValue);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: NonSmmWordReadIO
//
// Description: This routine reads a Word from the specified IO address
//
// Input: wIOAddr I/O address to read
//
// Output: Value read
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
UINT16
NonSmmWordReadIO(UINT16 wIOAddr)
{
UINT16 value;
CpuIo->Io.Read(CpuIo, EfiCpuIoWidthUint16, wIOAddr, 1, &value);
return value;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: NonSmmWordWriteIO
//
// Description: This routine writes a word to the specified IO address
//
// Input: wIOAddr I/O address to write
// wValue Word value to write
//
// Output: None
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
void
NonSmmWordWriteIO (UINT16 wIOAddr, UINT16 wValue)
{
CpuIo->Io.Write(CpuIo, EfiCpuIoWidthUint16, wIOAddr, 1, &wValue);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: NonSmmDwordReadIO
//
// Description: This routine reads a dword from the specified IO address
//
// Input: wIOAddr I/O address to read
//
// Output: Value read
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
UINT32
NonSmmDwordReadIO(UINT16 wIOAddr)
{
UINT32 value;
CpuIo->Io.Read(CpuIo, EfiCpuIoWidthUint32, wIOAddr, 1, &value);
return value;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: NonSmmDwordWriteIO
//
// Description: This routine writes a double word to the specified IO address
//
// Input: wIOAddr I/O address to write
// dValue Double word value to write
//
// Output: None
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
void
NonSmmDwordWriteIO(UINT16 wIOAddr, UINT32 dValue)
{
CpuIo->Io.Write(CpuIo, EfiCpuIoWidthUint32, wIOAddr, 1, &dValue);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: NonSmmWritePCIConfig
//
// Description: This function opens PCI configuration for a given register
//
// Input: wBDF - Bus, device and function number
// bReg - Register number to read
//
// Output: IO register to write the value
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
UINT16
NonSmmWritePCIConfig(UINT16 wBDF, UINT8 bReg)
{
NonSmmDwordWriteIO(0xCF8, (UINT32)(0x80000000 | (wBDF<<8) | (bReg & 0xFC)));
return (UINT16)(0xCFC+(bReg & 3));
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: NonSmmReadPCIConfig
//
// Description: This routine reads from the PCI configuration space register
// the value can be typecasted to 8bits - 32bits
//
// Input: BusDevFunc - Bus, device & function number of the PCI device
// Register - Register offset to read
//
// Output: Value read
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
UINT32
NonSmmReadPCIConfig(UINT16 BusDevFunc, UINT8 Register)
{
UINT32 data;
NonSmmDwordWriteIO(0xCF8, (UINT32)(0x80000000 | (BusDevFunc<<8) | (Register & 0xFC)));
data = NonSmmDwordReadIO(0xCFC);
return (data >> ((Register & 3) << 3)); // Adjust uneven register
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: NonSmmByteWritePCIConfig
//
// Description: This routine writes a byte value to the PCI configuration
// register space
//
// Input: BusDevFunc - Bus, device & function number of the PCI device
// Register - Register offset to read
// Value - Value to write
//
// Output: None
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
void
NonSmmByteWritePCIConfig(UINT16 BusDevFunc, UINT8 Register, UINT8 Value)
{
UINT16 wIOAddr;
wIOAddr = NonSmmWritePCIConfig(BusDevFunc, Register);
NonSmmByteWriteIO (wIOAddr, Value);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: NonSmmWordWritePCIConfig
//
// Description: This routine writes a word value to the PCI configuration
// register space
//
// Input: BusDevFunc - Bus, device & function number of the PCI device
// Register - Register offset to write
// Value - Value to write
//
// Output: None
//
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
void
NonSmmWordWritePCIConfig(UINT16 BusDevFunc, UINT8 Register, UINT16 Value)
{
UINT16 wIOAddr;
wIOAddr = NonSmmWritePCIConfig(BusDevFunc, Register);
NonSmmWordWriteIO (wIOAddr, Value);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: NonSmmDwordWritePCIConfig
//
// Description: This routine writes a Dword value to the PCI configuration
// register space
//
// Input: BusDevFunc - Bus, device & function number of the PCI device
// Register - Register offset to read
// Value - Value to write
//
// Output: None
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
void
NonSmmDwordWritePCIConfig(UINT16 BusDevFunc, UINT8 Register, UINT32 Value)
{
UINT16 wIOAddr;
wIOAddr = NonSmmWritePCIConfig(BusDevFunc, Register);
NonSmmDwordWriteIO (wIOAddr, Value);
}
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
|
