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//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2012, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
//**********************************************************************
// $Header: /Alaska/SOURCE/Modules/SharkBayRefCodes/SwitchableGraphics/Sg TPV/Sg nVidia Optimus SMM/NvOptimusSMM.c 3 10/16/12 4:25a Joshchou $
//
// $Revision: 3 $
//
// $Date: 10/16/12 4:25a $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/SharkBayRefCodes/SwitchableGraphics/Sg TPV/Sg nVidia Optimus SMM/NvOptimusSMM.c $
//
// 3 10/16/12 4:25a Joshchou
// [TAG] None
// [Category] Improvement
// [Description] Update for SA and ACPI RC 0.7.1
// [Files] NvOptimusSmm.c
//
// 2 9/09/12 11:07p Joshchou
// [TAG] EIPNone
// [Category] Improvement
// [Description] Tpv module support for sharkbay.
// [Files] NvOptimusSMM.mak
// NvOptimusSMM.c
// NvOptimusSMM.dxs
// NvOptimusSMM.ssp
// NvOptimusSMM.asl
// NvOptimusSMM.cif
//
//**********************************************************************
#include "Efi.h"
#include "token.h"
#include <AmiLib.h>
#include <AmiDxeLib.h>
#include <AmiCspLib.h>
#include <Protocol\SmmSwDispatch.h>
#include <Protocol\SmmBase.h>
#include <CmosAccess.h>
#include <Core\EM\CmosManager\CmosManager.h>
#include <SaGlobalNvsArea\SaGlobalNvsArea.h>
SYSTEM_AGENT_GLOBAL_NVS_AREA *mSaGlobalNvsAreaPtr = NULL;
extern EFI_BOOT_SERVICES *pBS;
//
// GUID Definitions
//
EFI_GUID mSwDispatchProtocolGuid = EFI_SMM_SW_DISPATCH_PROTOCOL_GUID;
EFI_GUID gSmmCmosServiceProtocolGuid = EFI_SMM_CMOS_ACCESS_GUID;
EFI_GUID gSaGlobalNvsAreaProtocolGuid = SYSTEM_AGENT_GLOBAL_NVS_AREA_PROTOCOL_GUID;
EFI_CMOS_MANAGER_INTERFACE *CmosManager=NULL ;
VOID NvCmosFunction (EFI_HANDLE DispatchHandle,EFI_SMM_SW_DISPATCH_CONTEXT *DispatchContext );
VOID NvCmosFunction1 (EFI_HANDLE DispatchHandle,EFI_SMM_SW_DISPATCH_CONTEXT *DispatchContext );
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: NvCmosFunction
//
// Description: Write AcpiNvs->AudioCodec to CMOS:AudioCodec.
//
// Input:EFI_HANDLE DispatchHandle,
// EFI_SMM_SW_DISPATCH_CONTEXT *DispatchContext
//
// Output:
//
// Modified:
//
// Referrals:
//
// Notes:
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID NvCmosFunction (
IN EFI_HANDLE DispatchHandle,
IN EFI_SMM_SW_DISPATCH_CONTEXT *DispatchContext )
{
UINT8 CheckPoint;
CheckPoint = (mSaGlobalNvsAreaPtr->SgFeatureList & 0x2) >> 1; // dGPUAudioCodec flag bit2
CmosManager->Access.Write(&CmosManager->Access, CMOS_OEM_NVSWSMI_CODE, CheckPoint);
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: NvCmosFunction1
//
// Description: Read CMOS:AudioCodec to AcpiNvs->AudioCodec.
//
// Input: EFI_HANDLE DispatchHandle,
// EFI_SMM_SW_DISPATCH_CONTEXT *DispatchContext
//
// Output:
//
// Modified:
//
// Referrals:
//
// Notes:
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
VOID NvCmosFunction1 (
IN EFI_HANDLE DispatchHandle,
IN EFI_SMM_SW_DISPATCH_CONTEXT *DispatchContext )
{
UINT8 CheckPoint;
CmosManager->Access.Read(&CmosManager->Access, CMOS_OEM_NVSWSMI_CODE,&CheckPoint);
mSaGlobalNvsAreaPtr->SgFeatureList |= (CheckPoint & 1) << 1; // dGPUAudioCodec flag bit2
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: InSmmFunction
//
// Description: InSmmFunction
//
// Input:
//
// Output:
//
// Modified:
//
// Referrals:
//
// Notes:
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS InSmmFunction (EFI_HANDLE ImageHandle,EFI_SYSTEM_TABLE *SystemTable )
{
EFI_STATUS Status;
SYSTEM_AGENT_GLOBAL_NVS_AREA_PROTOCOL *SaGlobalNvsAreaProtocol;
EFI_SMM_SW_DISPATCH_PROTOCOL *SwDispatch;
EFI_SMM_SW_DISPATCH_CONTEXT NvSwSmiContext = {SWSMI_NVOEM_CMOS_W};
EFI_SMM_SW_DISPATCH_CONTEXT NvSwSmiContext1 = {SWSMI_NVOEM_CMOS_R};
EFI_HANDLE SwHandle;
UINT8 CheckPoint;
Status = pBS->LocateProtocol ( &mSwDispatchProtocolGuid, NULL, &SwDispatch );
ASSERT_EFI_ERROR(Status);
//
// Locate the Global NVS Protocol.
//
Status = pBS->LocateProtocol (&gSaGlobalNvsAreaProtocolGuid, NULL, &SaGlobalNvsAreaProtocol);
ASSERT_EFI_ERROR (Status);
if (EFI_ERROR (Status)) {
return Status;
}
mSaGlobalNvsAreaPtr = SaGlobalNvsAreaProtocol->Area;
TRACE((-1,"AcpiNvs Addr->SgFeatureList = %X\n", &mSaGlobalNvsAreaPtr->SgFeatureList));
LOCATE_CMOS_ACCESS_SMM_PROTOCOL(Status, CmosManager);
if (CmosManager != NULL)
{
Status = SwDispatch->Register( SwDispatch, NvCmosFunction, &NvSwSmiContext, &SwHandle);
Status = SwDispatch->Register( SwDispatch, NvCmosFunction1, &NvSwSmiContext1, &SwHandle);
// Init dGPUAudioCodec flag
CmosManager->Access.Read(&CmosManager->Access,CMOS_OEM_NVSWSMI_CODE,&CheckPoint);
mSaGlobalNvsAreaPtr->SgFeatureList |= (CheckPoint & 1) << 1; // dGPUAudioCodec flag bit2
}
return Status;
}
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: NvSwSmiEntry
//
// Description: NvSwSmiEntry
//
// Input: EFI_HANDLE ImageHandle,
// EFI_SYSTEM_TABLE *SystemTable
//
// Output:
//
// Modified:
//
// Referrals:
//
// Notes:
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS NvSwSmiEntry (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable )
{
InitAmiLib(ImageHandle,SystemTable);
return InitSmmHandler( ImageHandle, SystemTable, InSmmFunction, NULL );
}
//**********************************************************************
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2012, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
|
