diff options
Diffstat (limited to 'Board/EM/SwitchableGraphics/SgTpv/NvOptimusSMM/NvOptimusSMM.c')
| -rw-r--r-- | Board/EM/SwitchableGraphics/SgTpv/NvOptimusSMM/NvOptimusSMM.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/Board/EM/SwitchableGraphics/SgTpv/NvOptimusSMM/NvOptimusSMM.c b/Board/EM/SwitchableGraphics/SgTpv/NvOptimusSMM/NvOptimusSMM.c new file mode 100644 index 0000000..85a894c --- /dev/null +++ b/Board/EM/SwitchableGraphics/SgTpv/NvOptimusSMM/NvOptimusSMM.c @@ -0,0 +1,223 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (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 ** +//** ** +//********************************************************************** +//**********************************************************************
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