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|
//**********************************************************************
//**********************************************************************
//** **
//** (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 **
//** **
//**********************************************************************
//**********************************************************************
//**********************************************************************
|
