diff options
Diffstat (limited to 'Core/EM/KbcEmul/KbcEmulAcpi.c')
| -rw-r--r-- | Core/EM/KbcEmul/KbcEmulAcpi.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/Core/EM/KbcEmul/KbcEmulAcpi.c b/Core/EM/KbcEmul/KbcEmulAcpi.c new file mode 100644 index 0000000..c926707 --- /dev/null +++ b/Core/EM/KbcEmul/KbcEmulAcpi.c @@ -0,0 +1,156 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2011, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* + +//************************************************************************* +// $Header: /Alaska/SOURCE/Modules/KbcEmulation/ALASKA/KBCEMUL/KbcEmulAcpi.c 2 4/10/14 2:28a Rameshr $ +// +// $Revision: 2 $ +// +// $Date: 4/10/14 2:28a $ +//************************************************************************* +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/KbcEmulation/ALASKA/KBCEMUL/KbcEmulAcpi.c $ +// +// 2 4/10/14 2:28a Rameshr +// [TAG] EIP160392 +// [Category] Improvement +// [Description] Junk Character from check-in History removed. +// [Files] KbcEmulAcpi.c +// +// 1 1/09/12 1:22a Rameshr +// [TAG] EIP74128 +// [Category] Improvement +// [Description] Disable the KbcEmulation Smis on ACPI enable and +// Disable SMI call +// [Files] Kbccore.c, KbcEmuulAcpi.c, KbcEmul.c, KbcEmul.cif, +// KbcEmul.h, KbcEmul.sdl +// +// +//************************************************************************* +//<AMI_FHDR_START> +// +// Name: KbcEmulAcpi.c +// +// Description: This file contains Emulation SMI disable function on ACPI +// enable/Disable SMI +// +//<AMI_FHDR_END> +//************************************************************************* + +//---------------------------------------------------------------------------- +// Include(s) +//---------------------------------------------------------------------------- + +#include <Token.h> +#include <AmiDxeLib.h> +#include <AmiCspLib.h> +#include <Protocol\SmmSwDispatch.h> +#include "KbcEmul.h" + +#ifdef EMULATION_ACPI_ENABLE_DISPATCH +#include <Chipset\SB\AcpiModeEnable.h> +EFI_GUID gEfiAcpiEnDispatchProtocolGuid = EFI_ACPI_EN_DISPATCH_PROTOCOL_GUID; +EFI_GUID gEfiAcpiDisDispatchProtocolGuid = EFI_ACPI_DIS_DISPATCH_PROTOCOL_GUID; +#endif + +extern BOOLEAN AcpiEmulationDisable; + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: KbcEmulationDisable +// +// Description: This routine will be called when ACPI enabled or disabled SMI happens. +// +// Input: DispatchHandle - Handle to the Dispatcher +// +// Output: None +// +// Notes: None +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> + +VOID KbcEmulationDisable ( + IN EFI_HANDLE DispatchHandle +) +{ + AcpiEmulationDisable=TRUE; + TrapEnable(FALSE); + return; +} + + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: RegisterAcpiEnableCallBack +// +// Description: This routine will be called by KbcEmulation Init +// to register the callback function on Acpi Enable/Disable SMI. +// +// Input: None +// +// Output: None +// +// Notes: None +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +RegisterAcpiEnableCallBack( +) +{ +#ifdef EMULATION_ACPI_ENABLE_DISPATCH + EFI_STATUS Status; + EFI_HANDLE EnableHandle; + EFI_HANDLE DisableHandle; + EFI_ACPI_DISPATCH_PROTOCOL *AcpiEnDispatch; + EFI_ACPI_DISPATCH_PROTOCOL *AcpiDisDispatch; + + Status = pBS->LocateProtocol(&gEfiAcpiEnDispatchProtocolGuid, NULL, &AcpiEnDispatch); + if (EFI_ERROR(Status)) { + return Status; + } + + Status = AcpiEnDispatch->Register(AcpiEnDispatch, KbcEmulationDisable, &EnableHandle); + ASSERT_EFI_ERROR(Status); + + Status = pBS->LocateProtocol(&gEfiAcpiDisDispatchProtocolGuid, NULL, &AcpiDisDispatch); + if (EFI_ERROR(Status)) { + return Status; + } + + Status = AcpiDisDispatch->Register(AcpiDisDispatch, KbcEmulationDisable, &DisableHandle); + ASSERT_EFI_ERROR(Status); + + return Status; +#else + return EFI_SUCCESS; +#endif +} + +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2011, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* |