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Diffstat (limited to 'Core/EM/IdeBus/IdePowerManagement.c')
| -rw-r--r-- | Core/EM/IdeBus/IdePowerManagement.c | 546 |
1 files changed, 546 insertions, 0 deletions
diff --git a/Core/EM/IdeBus/IdePowerManagement.c b/Core/EM/IdeBus/IdePowerManagement.c new file mode 100644 index 0000000..4275d29 --- /dev/null +++ b/Core/EM/IdeBus/IdePowerManagement.c @@ -0,0 +1,546 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** +// $Header: /Alaska/SOURCE/Core/Modules/IdeBus/IdePowerManagement.c 11 10/11/10 11:32a Krishnakumarg $ +// +// $Revision: 11 $ +// +// $Date: 10/11/10 11:32a $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Core/Modules/IdeBus/IdePowerManagement.c $ +// +// 11 10/11/10 11:32a Krishnakumarg +// [TAG] - EIP 43249 +// [Category] - IMPROVEMENT +// [Severity] - Minor +// [Symptom] - Non-Ascii character in comments causing build problem in +// japanese XP +// [RootCause]- Presence of Non-Ascii character +// [Solution] - Remove Non-Ascii character present in the file +// [Files] - IdeSecurity.c,IDESMM.c, InstallIdeSmi, Ata.c, Atapi.c, +// IDEBusComponentName.c, IdeBusMaster.c, IdeHPA.c, IdePowerManagement.c +// +// 10 8/25/10 4:10a Rameshr +// New Feature: EIP 37748 +// Description: Move all the IDEBus Source driver SDL token into IdeBus +// Bin Driver. +// FilesModified: Ata.c, Atapi.c, idebus.c, IdeBus.h, +// IdebuscomponentName.c, IdeBusmaster.c IdeBusSrc.mak IdebusSrc.sdl +// IdeHpa.c, IdePowerManagement.c +// +// 9 8/31/09 10:40a Felixp +// IDLE_CMD is used instead of STANDBY_CMD if standby time is zero to +// avoid HDD spin up and down-EIP 22135 +// + +// +// 6 7/01/09 12:23p Rameshr +// Coding Standard and File header updated. +// +// 5 13/04/07 3:05p Anandakrishnanl +// Ide Bus Module - Update source files to comply with AMI coding +// standard"!!! +// +// 4 1/09/06 11:36a Felixp +// +// 2 12/14/05 3:10p Srinin +// +// 1 12/01/05 9:43a Felixp +// +// 4 3/04/05 11:35a Mandal +// +// 3 1/18/05 3:22p Felixp +// PrintDebugMessage renamed to Trace +// +// 1 1/11/05 2:26p Srinin +// IDE Power Management Support added. +// +// +//<AMI_FHDR_START> +//--------------------------------------------------------------------------- +// +// Name: IDEPOWERMANAGEMENT.c +// +// Description: IDE Power Management Support +// +//--------------------------------------------------------------------------- +//<AMI_FHDR_END> + +#include "IdeBus.h" +#include <Protocol\IdeBusBoard.h> + +// +//External variables +// +extern PLATFORM_IDE_PROTOCOL *gPlatformIdeProtocol; +extern EFI_GUID gPowerMgmtProtocolGuid; + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: InitIDEPowerManagement +// +// Description: Initializes IDE power Management +// +// Input: +// IDE_BUS_PROTOCOL *IdeBusInterface; +// +// Output: +// EFI_STATUS +// +// Modified: +// +// Referrals: ConfigureIdeDevice +// +// Notes: +// +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +InitIDEPowerManagement ( + IN IDE_BUS_PROTOCOL *IdeBusInterface + ) +{ + + UINT8 bData = 0; + EFI_STATUS Status = EFI_SUCCESS; + + // + //Check if POWER Managmentfeature is enabled + // + if (IdeBusInterface->IdeDevice.IdentifyData.Command_Set_Enabled_85 & 0x8) { + + // + //Enable/Disable STANDBY Timer + // + bData = ConvertStanbyTimeoutValue ((UINT8)gPlatformIdeProtocol->StandbyTimeout); + if ( (gPlatformIdeProtocol->StandbyTimeout) == 0 ) { + Status = IdeNonDataCommand ( + IdeBusInterface, + 0, // Features + bData, // Sector Count + 0, // LBA Low + 0, // LBA Mid + 0, // LBA High + IdeBusInterface->IdeDevice.Device << 4, // Device + IDLE_CMD); // IDLE_CMD when StandbyTimeout = 0 + } else { + Status = IdeNonDataCommand ( + IdeBusInterface, + 0, // Features + bData, // Sector Count + 0, // LBA Low + 0, // LBA Mid + 0, // LBA High + IdeBusInterface->IdeDevice.Device << 4, // Device + STANDBY_CMD); // STANDBY_CMD when StandbyTimeout > 0 + } + // + //Enable/Disable STANDBY Timer + // + + } + + // + //Check Advanced Power Management Mode + // + if ( gPlatformIdeProtocol->AdvPowerManagementSupport ) { + if (IdeBusInterface->IdeDevice.IdentifyData.Command_Set_Supported_83 & 0x8){ + // + //Enable/Disable Advanced Power Management + // + bData = ( gPlatformIdeProtocol->AdvPowerManagementLevel ) == 0 ? DISABLE_ADV_POWER_MANAGEMENT : ADV_POWER_MANAGEMENT; + IdeSetFeatureCommand (IdeBusInterface, bData, gPlatformIdeProtocol->AdvPowerManagementLevel ); + } + } + + + if ( gPlatformIdeProtocol->PowerupInStandbySupport ) { + // + //Check Power-up in Standby Mode Support + // + if (IdeBusInterface->IdeDevice.IdentifyData.Command_Set_Supported_83 & 0x20){ + // + //Check if the desires state is already present or not + // + if (!((IdeBusInterface->IdeDevice.IdentifyData.Command_Set_Enabled_86 & 0x20) == (gPlatformIdeProtocol->PowerupInStandbyMode))){ + bData = ( gPlatformIdeProtocol->PowerupInStandbyMode ) == 0 ? DISABLE_POWERUP_IN_STANDBY : ENABLE_POWERUP_IN_STANDBY; + IdeSetFeatureCommand (IdeBusInterface, bData, 0); + } + } + } + + return EFI_SUCCESS; +} + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: InstallIDEPowerMgmtInterface +// +// Description: Install IDE power Management Interface +// +// Input: +// IDE_BUS_PROTOCOL *IdeBusInterface; +// +// Output: +// EFI_STATUS +// +// Modified: +// +// Referrals: IdeBusStart +// +// Notes: +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +InstallIDEPowerMgmtInterface ( + IN IDE_BUS_PROTOCOL *IdeBusInterface + ) +{ + + EFI_STATUS Status = EFI_UNSUPPORTED; + POWER_MGMT_INTERFACE *PowerMgmtInterface; + + + // + //Check if Power Management is Supported or not + // + if (IdeBusInterface->IdeDevice.IdentifyData.Command_Set_Enabled_85 & 0x8){ + Status = pBS->AllocatePool (EfiBootServicesData, + sizeof (POWER_MGMT_INTERFACE), + (VOID**)&PowerMgmtInterface); + if (EFI_ERROR(Status)) return Status; + + PowerMgmtInterface->CheckPowerMode = CheckPowerMode; + PowerMgmtInterface->IdleMode = IdleMode; + PowerMgmtInterface->StandbyMode = StandbyMode; + PowerMgmtInterface->AdvancePowerMgmtMode = AdvancePowerMgmtMode; + PowerMgmtInterface->IdeBusInterface = IdeBusInterface; + IdeBusInterface->PowerMgmtInterface = PowerMgmtInterface; + + // + //Install the protocol on the device + // + Status = pBS->InstallMultipleProtocolInterfaces ( + &(IdeBusInterface->IdeDeviceHandle), + &gPowerMgmtProtocolGuid, IdeBusInterface->PowerMgmtInterface, + NULL); + + if (EFI_ERROR(Status)) pBS->FreePool(PowerMgmtInterface); + } + + return Status; +} + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: StopIDEPowerMgmtInterface +// +// Description: Uninstall IDE power Management Interface +// +// Input: +// IDE_BUS_PROTOCOL *IdeBusInterface; +// +// Output: +// EFI_STATUS +// +// Modified: +// +// Referrals: IdeBusStop +// +// Notes: +// +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +StopIDEPowerMgmtInterface ( + IN IDE_BUS_PROTOCOL *IdeBusInterface + ) +{ + + EFI_STATUS Status; + POWER_MGMT_INTERFACE *PowerMgmtInterface = IdeBusInterface->PowerMgmtInterface; + + if (IdeBusInterface->PowerMgmtInterface == NULL) return EFI_SUCCESS; + Status = pBS->UninstallMultipleProtocolInterfaces ( + IdeBusInterface->IdeDeviceHandle, + &gPowerMgmtProtocolGuid, IdeBusInterface->PowerMgmtInterface, + NULL); + if (Status == EFI_SUCCESS) { + pBS->FreePool(IdeBusInterface->PowerMgmtInterface); + IdeBusInterface->PowerMgmtInterface = NULL; + } + + return Status; +} + //IDE_POWER_MANAGEMENT_INTERFACE_SUPPORT ends + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------// +// Procedure: ConvertStanbyTimeoutValue +// +// Description: Initializes IDE power Managment +// +// Input: +// IN UINT8 StandbyTimeout (In Minutes) +// +// Output: +// UINT8 StandbyTimeout (Converted Timeout period) +// +// Modified: +// +// Referrals: +// +// Notes: +// +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> + +UINT8 +ConvertStanbyTimeoutValue ( + IN UINT8 StandbyTimeout + ) +{ + + if ( StandbyTimeout ) { + if ( StandbyTimeout < 30 ) { + if ( StandbyTimeout > 20 ) { + StandbyTimeout = 20; + } + return StandbyTimeout * 60 / 5; + } + if ( StandbyTimeout < 16 * 30 ) { + return StandbyTimeout / 30; + } + } + return 0; // Standby Timer Disabled + +} + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: CheckPowerMode +// +// Description: Returns the Current State of the device +// +// Input: +// +// +// Output: +// EFI_STATUS, Current state of the Device, +// +// Modified: +// +// Referrals: +// +// Notes: PowerMode : 00 Standby Mode, 80h : Idle Mode, FF : Active/Idle Mode +// +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +CheckPowerMode ( + IN IDE_POWER_MGMT_INTERFACE *IdePowerMgmtInterface, + IN OUT UINT8 *PowerMode + ) +{ + EFI_STATUS Status; + IDE_BUS_PROTOCOL *IdeBusInterface = ((POWER_MGMT_INTERFACE *)IdePowerMgmtInterface)->IdeBusInterface; + + Status = IdeNonDataCommand ( + IdeBusInterface, + 0, // Features + 0, // SectorCount + 0, // LBA Low + 0, // LBA Mid + 0, // LBA High + IdeBusInterface->IdeDevice.Device << 4, // Device + CHECK_POWER_MODE); // Command + + if (Status == EFI_SUCCESS) { + IdeReadByte ( IdeBusInterface->PciIO, + IdeBusInterface->IdeDevice.Regs.CommandBlock.SectorCountReg, + PowerMode); + } + + return Status; + +} + + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: IdleMode +// +// Description: Puts the device in Idle Mode +// +// Input: StandbyTimeout : Value in Minutes. (0 : Disabled) +// +// Output: +// EFI_STATUS +// +// Modified: +// +// Referrals: +// +// Notes: +// +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +IdleMode( + IN IDE_POWER_MGMT_INTERFACE *IdePowerMgmtInterface, + IN UINT8 StandbyTimeout + ) +{ + EFI_STATUS Status; + IDE_BUS_PROTOCOL *IdeBusInterface = ((POWER_MGMT_INTERFACE *)IdePowerMgmtInterface)->IdeBusInterface; + UINT8 bData; + + bData = ConvertStanbyTimeoutValue (StandbyTimeout); + Status = IdeNonDataCommand ( + IdeBusInterface, + 0, // Features + bData, // SectorCount + 0, // LBA Low + 0, // LBA Mid + 0, // LBA High + IdeBusInterface->IdeDevice.Device << 4, // Device + IDLE_CMD); // Command + + return Status; + +} + + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: StandbyMode +// +// Description: Puts the device in StandbyMode +// +// Input: StandbyTimeout : Value in Minutes. (0 : Disabled) +// +// Output: +// EFI_STATUS +// +// Modified: +// +// Referrals: +// +// Notes: +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS +StandbyMode( + IN IDE_POWER_MGMT_INTERFACE *IdePowerMgmtInterface, + IN UINT8 StandbyTimeout + ) +{ + EFI_STATUS Status; + IDE_BUS_PROTOCOL *IdeBusInterface = ((POWER_MGMT_INTERFACE *)IdePowerMgmtInterface)->IdeBusInterface; + UINT8 bData; + + bData = ConvertStanbyTimeoutValue (StandbyTimeout); + Status = IdeNonDataCommand ( + IdeBusInterface, + 0, // Features + bData, // SectorCount + 0, // LBA Low + 0, // LBA Mid + 0, // LBA High + IdeBusInterface->IdeDevice.Device << 4, // Device + STANDBY_CMD); // Command + + return Status; + +} + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: AdvancePowerMgmtMode +// +// Description: Enables Adavance Power Management +// +// Input: AdvPowerMgmtLevel ( 0 : Disable, FEh : Max. Performance, 81h - FDh Intermediate performance without Standby +// 80h : Min. Power Consumption without Standby, 02h - 7Fh Intermediate Performance with Standby +// 01h : Min. Power Consumption with Standby) +// +// Output: +// EFI_STATUS +// +// Modified: +// +// Referrals: +// +// Notes: +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS +AdvancePowerMgmtMode( + IN IDE_POWER_MGMT_INTERFACE *IdePowerMgmtInterface, + IN UINT8 AdvPowerMgmtLevel + ) +{ + EFI_STATUS Status = EFI_UNSUPPORTED; + IDE_BUS_PROTOCOL *IdeBusInterface = ((POWER_MGMT_INTERFACE *)IdePowerMgmtInterface)->IdeBusInterface; + UINT8 bData; + + if (IdeBusInterface->IdeDevice.IdentifyData.Command_Set_Supported_83 & 0x8){ + // + //Enable/Disable Advanced Power Management + // + bData = AdvPowerMgmtLevel == 0 ? DISABLE_ADV_POWER_MANAGEMENT : ADV_POWER_MANAGEMENT; + Status = IdeSetFeatureCommand (IdeBusInterface, bData, AdvPowerMgmtLevel); + } + + return Status; + +} + + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** +//********************************************************************** |