diff options
Diffstat (limited to 'Chipset/SB/PowerButton.c')
| -rw-r--r-- | Chipset/SB/PowerButton.c | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/Chipset/SB/PowerButton.c b/Chipset/SB/PowerButton.c new file mode 100644 index 0000000..d9256ff --- /dev/null +++ b/Chipset/SB/PowerButton.c @@ -0,0 +1,265 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (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/SMM/PowerButton/PowerButton.c 9 9/20/11 3:12p Markw $ +// +// $Revision: 9 $ +// +// $Date: 9/20/11 3:12p $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/SMM/PowerButton/PowerButton.c $ +// +// 9 9/20/11 3:12p Markw +// [TAG] EIP67890 +// [Category] Spec Update +// [Severity] Normal +// [Description] Support power button handler in PI 1.1 +// +// [Files] PowerButton.c, PowerButton.mak, PowerButton. dxs +// +// 8 7/08/09 7:56p Markw +// Update headers. +// +// 7 1/07/08 4:26p Robert +// Updated for coding standard +// +// 6 5/30/07 5:29p Markw +// Use library function to shutdown. +// +// 5 3/28/07 1:27p Markw +// Update headers. +// +// 4 2/26/07 11:44a Yakovlevs +// Added arming PwrButton Smi when registering SMI handler. +// In event handler added check for Sleep SMI enable and disabling it. +// +// 3 11/11/05 11:46a Markw +// Renamed IntallSmmHandler to InitSmmHandler because of build errors +// because another driver used InstallSmmHandler. +// +// 2 11/08/05 6:05p Markw +// Using InstallSmiHandler library function. +// +// 1 1/28/05 4:33p Sivagarn +// Power Button SMM Component - Initial check in +// +// +//********************************************************************** + +//<AMI_FHDR_START> +//--------------------------------------------------------------------------- +// +// Name: PowerButton.C +// +// Description: Provide functions to register and handle Powerbutton +// functionality. This code is generic and as long as PM +// base address SDL token is defined properly this should +// work fine. +// +//--------------------------------------------------------------------------- +//<AMI_FHDR_END> + + +#include <Token.h> +#include <AmiDxeLib.h> +#include <AMICSPLIBInc.h> +#if PI_SPECIFICATION_VERSION < 0x1000A +#include <Protocol\SmmPowerButtonDispatch.h> +#else +#include <Protocol\SmmPowerButtonDispatch2.h> +#endif + +EFI_GUID gThisFileGuid = + {0xe566b097,0x4378,0x485f,0x91,0xd0,0x1c,0x09,0x7c,0x19,0x0c,0xe2}; + //E566B097-4378-485f-91D0-1C097C190CE2 + +#if PI_SPECIFICATION_VERSION < 0x1000A +EFI_SMM_POWER_BUTTON_DISPATCH_CONTEXT DispatchContext = {PowerButtonEntry}; +#else +EFI_SMM_POWER_BUTTON_REGISTER_CONTEXT DispatchContext = {EfiPowerButtonExit}; +EFI_SMM_BASE2_PROTOCOL *pSmmBase2; +EFI_SMM_SYSTEM_TABLE2 *pSmst2; +#endif + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: PowerButtonActivated +// +// Description: If the power button is pressed, then this function is called. +// +// Input: +// IN EFI_HANDLE DispatchHandle +// IN EFI_SMM_POWER_BUTTON_DISPATCH_CONTEXT *DispatchContext +// +// Output: VOID +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +#if PI_SPECIFICATION_VERSION < 0x1000A +VOID PowerButtonActivated( + IN EFI_HANDLE DispatchHandle, + IN EFI_SMM_POWER_BUTTON_DISPATCH_CONTEXT *DispatchContext + ) +#else +EFI_STATUS +EFIAPI +PowerButtonActivated( + IN EFI_HANDLE DispatchHandle, + IN CONST VOID *Context OPTIONAL, + IN OUT VOID *CommBuffer OPTIONAL, + IN OUT UINTN *CommBufferSize OPTIONAL) +#endif +{ + SBLib_Shutdown(); + +#if PI_SPECIFICATION_VERSION >= 0x1000A + return EFI_SUCCESS; +#endif +} + + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: InSmmFunction +// +// Description: This function is called from SMM during SMM registration. +// +// Input: +// IN EFI_HANDLE ImageHandle +// IN EFI_SYSTEM_TABLE *SystemTable +// +// Output: EFI_STATUS +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS InSmmFunction(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable) +{ +#if PI_SPECIFICATION_VERSION >= 0x1000A + EFI_SMM_POWER_BUTTON_DISPATCH2_PROTOCOL *PowerButton; +#else + EFI_SMM_POWER_BUTTON_DISPATCH_PROTOCOL *PowerButton; +#endif + EFI_HANDLE hPowerButton; + EFI_STATUS Status; + +#if PI_SPECIFICATION_VERSION >= 0x1000A + Status = pSmmBase2->GetSmstLocation(pSmmBase2, &pSmst2); + if (EFI_ERROR(Status)) return Status; + + Status = pSmst2->SmmLocateProtocol( + &gEfiSmmPowerButtonDispatch2ProtocolGuid, + NULL, + &PowerButton + ); +#else + Status = pBS->LocateProtocol( + &gEfiSmmPowerButtonDispatchProtocolGuid, + NULL, + &PowerButton + ); +#endif + if (EFI_ERROR(Status)) return Status; + + Status = PowerButton->Register( + PowerButton, + PowerButtonActivated, + &DispatchContext, + &hPowerButton + ); + return Status; +} + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: NotInSmmFunction +// +// Description: This function is called from outside of SMM during SMM registration. +// +// Input: +// IN EFI_HANDLE ImageHandle +// IN EFI_SYSTEM_TABLE *SystemTable +// +// Output: EFI_STATUS +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS NotInSmmFunction(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable) +{ + UINT16 Value; + //Clear All PM Statuses + Value = IoRead16(PM_BASE_ADDRESS); + IoWrite16(PM_BASE_ADDRESS,Value); + + //Enable PowerButton and Global Enable + IoWrite16(PM_BASE_ADDRESS + 0x02, BIT05 + BIT08); + return EFI_SUCCESS; +} + + + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: InitPowerButton +// +// Description: This is the entrypoint of the Power button driver. +// +// Input: +// IN EFI_HANDLE ImageHandle +// IN EFI_SYSTEM_TABLE *SystemTable +// +// Output: EFI_STATUS +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS InitPowerButton( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ +#if PI_SPECIFICATION_VERSION >= 0x0001000a + EFI_STATUS Status; +#endif + + InitAmiLib(ImageHandle, SystemTable); + +#if PI_SPECIFICATION_VERSION >= 0x0001000a + Status = pBS->LocateProtocol(&gEfiSmmBase2ProtocolGuid, NULL, &pSmmBase2); + if (EFI_ERROR(Status)) return Status; + + return InitSmmHandler(ImageHandle, SystemTable, InSmmFunction, NULL); +#else + return InitSmmHandler(ImageHandle, SystemTable, InSmmFunction, NotInSmmFunction); +#endif +} + +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2011, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* |