diff options
Diffstat (limited to 'Board/EM/SwitchableGraphics/SgTpv/MXM30/Mxm30Dxe.c')
| -rw-r--r-- | Board/EM/SwitchableGraphics/SgTpv/MXM30/Mxm30Dxe.c | 377 |
1 files changed, 377 insertions, 0 deletions
diff --git a/Board/EM/SwitchableGraphics/SgTpv/MXM30/Mxm30Dxe.c b/Board/EM/SwitchableGraphics/SgTpv/MXM30/Mxm30Dxe.c new file mode 100644 index 0000000..83ec3e6 --- /dev/null +++ b/Board/EM/SwitchableGraphics/SgTpv/MXM30/Mxm30Dxe.c @@ -0,0 +1,377 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (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 ** +//** ** +//********************************************************************** +//********************************************************************** |