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|
//**********************************************************************
//**********************************************************************
//** **
//** (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 API/Mxm30Dxe.c 2 9/09/12 11:12p Joshchou $
//
// $Revision: 2 $
//
// $Date: 9/09/12 11:12p $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/SharkBayRefCodes/SwitchableGraphics/Sg TPV/Sg nVidia API/Mxm30Dxe.c $
//
// 2 9/09/12 11:12p Joshchou
// [TAG] None
// [Category] Improvement
// [Description] Tpv module support for sharkbay.
// [Files] MXM30.mak
// Mxm30Dxe.dxs
// Mxm30Dxe.c
// Mxm30Efi.c
// NBCIEfi.c
// MxmInt15.asm
// MXM30.cif
//
// 3 4/11/12 4:06a Alanlin
// Nvidia Optimus support when CSM module is disabled or CSM is never on
// setup menu.
//
// 2 12/12/11 9:19p Alanlin
// [TAG] EIP74169
// [Category] Improvement
// [Description] Add OEMSSDT module part. Token "SGOEMSSDT_SUPPORT" to
// create OEM SSDT for discrete VGA card.
// When Primarydisplay = Auto or PEG, it can report OEM SSDT talbes for
// AMD or nVidia dGPU VGA card.
//
// 1 6/27/11 5:25a Alanlin
// [TAG] EIP61848
// [Category] New Feature
// [Description] Initial check-in.Integrated SwitchableGraphics Intel
// Reference code 0.6.0
// [Files] MXM30.cif
// MXM30.sdl
// MXM30.mak
// Mxm30Dxe.dxs
// Mxm30Dxe.c
// Mxm30Efi.c
// NBCIEfi.c
// MxmInt15.asm
// Mxm30ElkCreek4.mxm
// Mxm30ElkCreekIII.mxm
//
//
// 2 9/23/10 1:04p Alexp
// comment out unused BDS callback defines
//
// 1 9/17/10 1:16p Alexp
// [TAG] EIP43103
// [Category] Function Request
// [Severity] Normal
// [Symptom] Initial check-in of SgTPV module
// [RootCause] Request to implement SG reference code .
// [Solution] Initial check-in.
// [Files]
// Mxm30.cif;*.sdl;*.mak;
// Mxm30Dxe.c;*.dxs
// Mxm30efi.c
// MxmInt15.asm
// NbciEfi.c
// Mxm30ElkCreek3(4).mxm
//
//**********************************************************************
//<AMI_FHDR_START>
//----------------------------------------------------------------------------
//
// Name: Mxm30DXE.c
//
// Description: This file contains the etry point of EFI MXM30 Support driver
// The function istalls MXM EFI, Legacy and Acpi interfaces if
// enabled in Setup
// Installs Acpi Tables for Switchable Graphics
//
// Notes: MAKE SURE NO PEI OR DXE SPECIFIC CODE IS NEEDED
//
//----------------------------------------------------------------------------
//<AMI_FHDR_END>
#include <Token.h>
#include <AmiDxeLib.h>
#include <DXE.h>
#include "SB.h"
#include "Setup.h"
#include <Protocol\Mxm30.h>
#if defined(CsmOptOut_SUPPORT) && (CsmOptOut_SUPPORT == 1)
#include <AmiLoadCsmPolicy.h>
#endif
#if ( defined(CSM_SUPPORT) && (CSM_SUPPORT != 0) )
#include <Protocol\LegacyBios.h>
#include <Protocol\LegacyRegion.h>
#include <Protocol\LegacyBiosExt.h>
#endif
#if defined(CsmOptOut_SUPPORT) && (CsmOptOut_SUPPORT == 1)
AMI_OPROM_POLICY_PROTOCOL *gAmiOpRomPolicyProtocol = NULL;
EFI_GUID gAmiOpromPolicyProtocolGuid = AMI_OPROM_POLICY_PROTOCOL_GUID;
#endif
extern EFI_BOOT_SERVICES *pBS;
extern EFI_RUNTIME_SERVICES *pRS;
VOID *gMxmLegMemAddr = NULL;
UINTN gMxmLegMemSize = 0;
//#define BDS_ALL_DRIVERS_CONNECTED_PROTOCOL_GUID \
// {0xdbc9fd21, 0xfad8, 0x45b0, 0x9e, 0x78, 0x27, 0x15, 0x88, 0x67, 0xcc, 0x93}
//EFI_EVENT mMxmEvent;
//VOID *mMxmReg;
//EFI_GUID gBdsAllDriversConnectedProtocolGuid = BDS_ALL_DRIVERS_CONNECTED_PROTOCOL_GUID;
// extern functions
EFI_STATUS MXM30Interfaces (EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable);
//EFI_STATUS NBCIInterfaces (EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable);
#if ( defined(CSM_SUPPORT) && (CSM_SUPPORT != 0) )
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: UpdateInt15MxMData
//
// Description: Get the address of MXM data buffer in legacy bios region
//
// Input: EFI_LEGACY_BIOS_PROTOCOL *LegacyBiosProtocol;
//
//
// Output: EFI_STATUS
//
// Modified:
//
// Referrals:
//
// Notes:
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS
UpdateInt15MxmSISData (
IN EFI_LEGACY_BIOS_PROTOCOL *LegacyBiosProtocol
)
{
EFI_STATUS Status;
UINT32 Addr16;
EFI_IA32_REGISTER_SET RegSet;
UINT32 *ivt = (UINT32*)0;
// Get the Data Pointer to MXM Structure within Int15 MXM handler
MemSet(&RegSet, sizeof (EFI_IA32_REGISTER_SET), 0);
RegSet.X.AX = 0x5f80;
RegSet.X.BX = 0xFF01;
RegSet.X.CX = EFI30_DataBlockID;
RegSet.X.ES = 0;
RegSet.X.DI = 0;
Addr16 = ivt[0x15];
Status = LegacyBiosProtocol->FarCall86 (LegacyBiosProtocol,
(UINT16)(Addr16 >> 16),
(UINT16)Addr16,
&RegSet, 0, 0);
Status = (RegSet.X.AX == 0x5F80 || RegSet.X.ES == 0)? EFI_UNSUPPORTED : EFI_SUCCESS;
ASSERT_EFI_ERROR(Status);
// return updated address
gMxmLegMemAddr = (UINT8*)((RegSet.X.ES << 4) + (RegSet.X.DI));
// TO DO. Expand the routine to obtain the address of _DOD buffer(MXM Int15 5f80, Func 9)
return Status;
}
#endif
//<AMI_PHDR_START>
//----------------------------------------------------------------------------
// Procedure: MxmDriverEntryPoint
//
// Description: Entry point of EFI MXM Support driver. The function istalls
// 1. Install MXM protocol;
// 2. Update data structure to be passed to Int15 binary
// must support multiple MXM data modules. Dependent on controller's handle
// Load MXM data block <1Mb area.
// a. Copy MXM Structure below 1MB
// 1. Allocate Legacy mem space for MXM dat <1MB
// OR
// 2. Update the MXM data by the pointer returned by Int15 5F80 Func01(default)
// b. Update the pointer to MXM data in EFI Protocol API
// c. Create an ACPI SSDT table and copy MXM block there (ASL MXM logic must handle different MXM modules...)
//
// Input: EFI_HANDLE ImageHandle,
// EFI_SYSTEM_TABLE *SystemTable
//
// Output: EFI_STATUS
//
// Modified:
//
// Referrals:
//
// Notes:
//----------------------------------------------------------------------------
//<AMI_PHDR_END>
EFI_STATUS
MxmDriverEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status = EFI_SUCCESS;
SETUP_DATA SetupData;
EFI_GUID SetupGuid = SETUP_GUID;//SYSTEM_CONFIGURATION_GUID;
EFI_GUID EfiMxmStructGuid = MXMOEM1_GUID;
// MXM_STRUCT_HDR *MxmHdr;
#if ( defined(CSM_SUPPORT) && (CSM_SUPPORT != 0) )
EFI_LEGACY_BIOS_EXT_PROTOCOL *BiosExtensions = NULL;
EFI_LEGACY_BIOS_PROTOCOL *LegacyBiosProtocol = NULL;
#endif
VOID *MxmData;
UINTN ImageSize, Size;
#if ( defined(CSM_SUPPORT) && (CSM_SUPPORT != 0) )
UINT32 LockUnlockAddr, LockUnlockSize;
#endif
EFI_STATUS CsmOptOutStatus = EFI_SUCCESS;
InitAmiLib(ImageHandle, SystemTable);
TRACE((-1, "==============MxmDriverEntryPoint============\n"));
//
// Check if the module is enabled in Setup; if not - return EFI_UNSUPPORTED
//
Size = sizeof(SETUP_DATA);
Status = pRS->GetVariable(L"Setup",
&SetupGuid,
NULL,
&Size,
&SetupData);
if (EFI_ERROR(Status)) return Status;
// Check to see if Primary Display is set to enable SG
//
if ((SetupData.PrimaryDisplay == 1)|| //PEG
(SetupData.PrimaryDisplay == 3)|| //AUTO
(SetupData.PrimaryDisplay == 4)) //SG
{ }
else
return EFI_UNSUPPORTED;
#if ( defined(CSM_SUPPORT) && (CSM_SUPPORT != 0) )
#if defined(CsmOptOut_SUPPORT) && (CsmOptOut_SUPPORT == 1)
CsmOptOutStatus = pBS->LocateProtocol(&gAmiOpromPolicyProtocolGuid, NULL, &gAmiOpRomPolicyProtocol);
#endif
if (!EFI_ERROR(CsmOptOutStatus)){
Status = pBS->LocateProtocol(&gEfiLegacyBiosProtocolGuid, NULL, &LegacyBiosProtocol);
if (EFI_ERROR(Status)) return Status;
Status = pBS->LocateProtocol(&gEfiLegacyBiosExtProtocolGuid, NULL, &BiosExtensions);
if (EFI_ERROR(Status)) return Status;
}
#endif
// TBD. Proper Mxm structure block can be loaded based on matching dGPU's PCI Dev`ice/Vendor ID with the file Guid
// e.g. EfiMxmStructGuid = Nvidia Mxm, AMD Mxm etc.
// Also, multiple Mxm structure can be loaded if design supports 2 or more Mxm cards plugged in simultaneusly
// Latter scenario will require MxmInt15.asm changes
Status = LoadFile(&EfiMxmStructGuid, &MxmData, &ImageSize);
ASSERT_EFI_ERROR(Status);
if (EFI_ERROR(Status)) return Status;
// just in case we'll need to change MXM data
// MxmHdr = (MXM_STRUCT_HDR*)MxmData;
// if(Strcmp(MxmHdr->Sig,"*MXM_"))
// return EFI_UNSUPPORTED;
gMxmLegMemAddr = (UINT8*)0xE0000;
Size = 0x20000;
#if ( defined(CSM_SUPPORT) && (CSM_SUPPORT != 0) )
if (!EFI_ERROR(CsmOptOutStatus)){
BiosExtensions->UnlockShadow(
(UINT8*)gMxmLegMemAddr, Size,
&LockUnlockAddr, &LockUnlockSize);
}
#endif
gMxmLegMemAddr = MxmData;
// Int15 may update gMxmLegMemAddr
#if ( defined(CSM_SUPPORT) && (CSM_SUPPORT != 0) )
if (!EFI_ERROR(CsmOptOutStatus)){
// will copy MXM struct to the address returned by Int15 5F80, Func01
Status = UpdateInt15MxmSISData(LegacyBiosProtocol);
if (EFI_ERROR(Status)) {
return Status;
}
/*
#else
//
// Allocate MXM and E000:0 area
//
Address = 0xE0000;
Status = pBS->AllocatePages (
AllocateAddress,
EfiBootServicesCode,
ImageSize,
&gMxmLegMemAddr);
#endif
*/
if (EFI_ERROR(Status)) {
BiosExtensions->LockShadow(LockUnlockAddr, LockUnlockSize);
return Status;
}
gMxmLegMemSize = ImageSize;
//
// Copy the image into the shadow.
//
pBS->CopyMem(gMxmLegMemAddr, MxmData, gMxmLegMemSize);
BiosExtensions->LockShadow(LockUnlockAddr, LockUnlockSize);
} // (!EFI_ERROR(CsmOptOutStatus))
#endif // ( defined(CSM_SUPPORT) && (CSM_SUPPORT != 0) )
// Install NBCI & MXM3_EFI_PROTOCOL only if Primary Display is set to enable SG
#if SGOEMSSDT_SUPPORT
if ((SetupData.PrimaryDisplay == 4) || (SetupData.PrimaryDisplay == 1) || (SetupData.PrimaryDisplay == 3)) //SG
#else
if (SetupData.PrimaryDisplay == 4) //SG
#endif
{
// Install NBCI_EFI_PROTOCOL, Int15 5F80 handle
// Status = NBCIInterfaces(ImageHandle, SystemTable);
// Install MXM_EFI_PROTOCOL, Int15 5F80 handle
Status = MXM30Interfaces(ImageHandle, SystemTable);
ASSERT_EFI_ERROR (Status);
if (EFI_ERROR(Status)) return Status;
// wait till Mxm PEG Card is enumerated in BDS
/*
Status = RegisterProtocolCallback(
&gBdsAllDriversConnectedProtocolGuid,
// Function is linked from MxmAcpiTable.c. Contains OEM implementation for Mxm Acpi table load
LoadAcpiTables,
NULL,
&mMxmEvent,
&mMxmReg
);
*/
}
return Status;
}
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2012, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
|
