diff options
Diffstat (limited to 'Vlv2TbltDevicePkg/VlvPlatformInitDxe/IgdOpRegion.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/VlvPlatformInitDxe/IgdOpRegion.c | 934 |
1 files changed, 0 insertions, 934 deletions
diff --git a/Vlv2TbltDevicePkg/VlvPlatformInitDxe/IgdOpRegion.c b/Vlv2TbltDevicePkg/VlvPlatformInitDxe/IgdOpRegion.c deleted file mode 100644 index f8dc3f14f3..0000000000 --- a/Vlv2TbltDevicePkg/VlvPlatformInitDxe/IgdOpRegion.c +++ /dev/null @@ -1,934 +0,0 @@ -
-/*++
-
-Copyright (c) 2011 - 2014, Intel Corporation. All rights reserved
-
- This program and the accompanying materials are licensed and made available under
- the terms and conditions of the BSD License that accompanies this distribution.
- The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php.
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-
-
-Module Name:
-
- IgdOpRegion.c
-
-Abstract:
-
- This is part of the implementation of an Intel Graphics drivers OpRegion /
- Software SCI interface between system BIOS, ASL code, and Graphics drivers.
- The code in this file will load the driver and initialize the interface
-
- Supporting Specifiction: OpRegion / Software SCI SPEC 0.70
-
- Acronyms:
- IGD: Internal Graphics Device
- NVS: ACPI Non Volatile Storage
- OpRegion: ACPI Operational Region
- VBT: Video BIOS Table (OEM customizable data)
-
---*/
-
-//
-// Include files
-//
-
-
-#include "IgdOpRegion.h"
-#include "VlvPlatformInit.h"
-#include <FrameworkDxe.h>
-#include <Uefi.h>
-#include <PchRegs.h>
-
-#include <Guid/DataHubRecords.h>
-
-#include <Protocol/IgdOpRegion.h>
-#include <Protocol/FrameworkHii.h>
-#include <Protocol/FirmwareVolume.h>
-#include <Protocol/PlatformGopPolicy.h>
-#include <Protocol/PciIo.h>
-#include <Protocol/CpuIo.h>
-#include <Protocol/GlobalNvsArea.h>
-#include <Protocol/DxeSmmReadyToLock.h>
-#include <Protocol/PciRootBridgeIo.h>
-
-#include <Library/MemoryAllocationLib.h>
-#include <Library/BaseLib.h>
-#include <Library/S3BootScriptLib.h>
-#include <Library/IoLib.h>
-#include <Library/DevicePathLib.h>
-#include <Protocol/DriverBinding.h>
-#include <Library/PrintLib.h>
-#include <Library/BaseMemoryLib.h>
-
-
-
-UINT8 gSVER[12] = "Intel";
-
-extern DXE_VLV_PLATFORM_POLICY_PROTOCOL *DxePlatformSaPolicy;
-
-//
-// Global variables
-//
-
-IGD_OPREGION_PROTOCOL mIgdOpRegion;
-EFI_GUID mMiscSubClass = EFI_MISC_SUBCLASS_GUID;
-EFI_EVENT mConOutEvent;
-EFI_EVENT mSetGOPverEvent;
-VOID *mConOutReg;
-
-#define DEFAULT_FORM_BUFFER_SIZE 0xFFFF
-#ifndef ECP_FLAG
-#if 0
-/**
-
- Get the HII protocol interface
-
- @param Hii HII protocol interface
-
- @retval Status code
-
-**/
-static
-EFI_STATUS
-GetHiiInterface (
- OUT EFI_HII_PROTOCOL **Hii
- )
-{
- EFI_STATUS Status;
-
- //
- // There should only be one HII protocol
- //
- Status = gBS->LocateProtocol (
- &gEfiHiiProtocolGuid,
- NULL,
- (VOID **) Hii
- );
-
- return Status;;
-}
-#endif
-#endif
-
-/**
-
- Get VBT data.
-
- @param[in] VbtFileBuffer Pointer to VBT data buffer.
-
- @retval EFI_SUCCESS VBT data was returned.
- @retval EFI_NOT_FOUND VBT data not found.
- @exception EFI_UNSUPPORTED Invalid signature in VBT data.
-
-**/
-EFI_STATUS
-GetIntegratedIntelVbtPtr (
- OUT VBIOS_VBT_STRUCTURE **VbtFileBuffer
- )
-{
- EFI_STATUS Status;
- EFI_PHYSICAL_ADDRESS VbtAddress = 0;
- UINTN FvProtocolCount;
- EFI_HANDLE *FvHandles;
- EFI_FIRMWARE_VOLUME_PROTOCOL *Fv;
- UINTN Index;
- UINT32 AuthenticationStatus;
-
- UINT8 *Buffer;
- UINTN VbtBufferSize = 0;
-
- Buffer = 0;
- FvHandles = NULL;
- *VbtFileBuffer = NULL;
- Status = gBS->LocateHandleBuffer (
- ByProtocol,
- &gEfiFirmwareVolumeProtocolGuid,
- NULL,
- &FvProtocolCount,
- &FvHandles
- );
-
- if (!EFI_ERROR (Status)) {
- for (Index = 0; Index < FvProtocolCount; Index++) {
- Status = gBS->HandleProtocol (
- FvHandles[Index],
- &gEfiFirmwareVolumeProtocolGuid,
- (VOID **) &Fv
- );
- VbtBufferSize = 0;
- Status = Fv->ReadSection (
- Fv,
- &gBmpImageGuid,
- EFI_SECTION_RAW,
- 0,
- (void **)&Buffer,
- &VbtBufferSize,
- &AuthenticationStatus
- );
-
- if (!EFI_ERROR (Status)) {
- VbtAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)Buffer;
- Status = EFI_SUCCESS;
- break;
- }
- }
- } else {
- Status = EFI_NOT_FOUND;
- }
-
- if (FvHandles != NULL) {
- FreePool(FvHandles);
- FvHandles = NULL;
- }
-
-
- //
- // Check VBT signature
- //
- *VbtFileBuffer = (VBIOS_VBT_STRUCTURE *) (UINTN) VbtAddress;
- if (*VbtFileBuffer != NULL) {
- if ((*((UINT32 *) ((*VbtFileBuffer)->HeaderSignature))) != VBT_SIGNATURE) {
- if (*VbtFileBuffer != NULL) {
- *VbtFileBuffer = NULL;
- }
- return EFI_UNSUPPORTED;
- }
- //
- // Check VBT size
- //
- if ((*VbtFileBuffer)->HeaderVbtSize > VbtBufferSize) {
- (*VbtFileBuffer)->HeaderVbtSize = (UINT16) VbtBufferSize;
- }
- }
-
- return EFI_SUCCESS;
-}
-
-//
-// Function implementations.
-//
-/**
-
- Get a pointer to an uncompressed image of the Intel video BIOS.
-
- Note: This function would only be called if the video BIOS at 0xC000 is
- missing or not an Intel video BIOS. It may not be an Intel video BIOS
- if the Intel graphic contoller is considered a secondary adapter.
-
-
- @param VBiosROMImage Pointer to an uncompressed Intel video BIOS. This pointer must
- be set to NULL if an uncompressed image of the Intel Video BIOS
- is not obtainable.
-
-
- @retval EFI_SUCCESS VBiosPtr is updated.
-
-**/
-EFI_STATUS
-GetIntegratedIntelVBiosPtr (
- INTEL_VBIOS_OPTION_ROM_HEADER **VBiosImage
- )
-{
- EFI_HANDLE *HandleBuffer;
- UINTN HandleCount;
- UINTN Index;
- INTEL_VBIOS_PCIR_STRUCTURE *PcirBlockPtr;
- EFI_STATUS Status;
- EFI_PCI_IO_PROTOCOL *PciIo;
- INTEL_VBIOS_OPTION_ROM_HEADER *VBiosRomImage;
-
- //
- // Set as if an umcompressed Intel video BIOS image was not obtainable.
- //
- VBiosRomImage = NULL;
- *VBiosImage = NULL;
-
- //
- // Get all PCI IO protocols
- //
- Status = gBS->LocateHandleBuffer (
- ByProtocol,
- &gEfiPciIoProtocolGuid,
- NULL,
- &HandleCount,
- &HandleBuffer
- );
- ASSERT_EFI_ERROR (Status);
-
- //
- // Find the video BIOS by checking each PCI IO handle for an Intel video
- // BIOS OPROM.
- //
- for (Index = 0; Index < HandleCount; Index++) {
- Status = gBS->HandleProtocol (
- HandleBuffer[Index],
- &gEfiPciIoProtocolGuid,
- (void **)&PciIo
- );
- ASSERT_EFI_ERROR (Status);
-
- VBiosRomImage = PciIo->RomImage;
-
- //
- // If this PCI device doesn't have a ROM image, skip to the next device.
- //
- if (!VBiosRomImage) {
- continue;
- }
-
- //
- // Get pointer to PCIR structure
- //
- PcirBlockPtr = (INTEL_VBIOS_PCIR_STRUCTURE *)((UINT8 *) VBiosRomImage + VBiosRomImage->PcirOffset);
-
- //
- // Check if we have an Intel video BIOS OPROM.
- //
- if ((VBiosRomImage->Signature == OPTION_ROM_SIGNATURE) &&
- (PcirBlockPtr->VendorId == IGD_VID) &&
- (PcirBlockPtr->ClassCode[0] == 0x00) &&
- (PcirBlockPtr->ClassCode[1] == 0x00) &&
- (PcirBlockPtr->ClassCode[2] == 0x03)
- ) {
- //
- // Found Intel video BIOS.
- //
- *VBiosImage = VBiosRomImage;
- return EFI_SUCCESS;
- }
- }
-
- //
- // No Intel video BIOS found.
- //
-
- //
- // Free any allocated buffers
- //
- return EFI_UNSUPPORTED;
-}
-
-EFI_STATUS
-SearchChildHandle(
- EFI_HANDLE Father,
- EFI_HANDLE *Child
- )
-{
- EFI_STATUS Status;
- UINTN HandleIndex;
- EFI_GUID **ProtocolGuidArray = NULL;
- UINTN ArrayCount;
- UINTN ProtocolIndex;
- UINTN OpenInfoCount;
- UINTN OpenInfoIndex;
- EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfo = NULL;
- UINTN mHandleCount;
- EFI_HANDLE *mHandleBuffer= NULL;
-
- //
- // Retrieve the list of all handles from the handle database
- //
- Status = gBS->LocateHandleBuffer (
- AllHandles,
- NULL,
- NULL,
- &mHandleCount,
- &mHandleBuffer
- );
-
- for (HandleIndex = 0; HandleIndex < mHandleCount; HandleIndex++) {
- //
- // Retrieve the list of all the protocols on each handle
- //
- Status = gBS->ProtocolsPerHandle (
- mHandleBuffer[HandleIndex],
- &ProtocolGuidArray,
- &ArrayCount
- );
- if (!EFI_ERROR (Status)) {
- for (ProtocolIndex = 0; ProtocolIndex < ArrayCount; ProtocolIndex++) {
- Status = gBS->OpenProtocolInformation (
- mHandleBuffer[HandleIndex],
- ProtocolGuidArray[ProtocolIndex],
- &OpenInfo,
- &OpenInfoCount
- );
- if (!EFI_ERROR (Status)) {
- for (OpenInfoIndex = 0; OpenInfoIndex < OpenInfoCount; OpenInfoIndex++) {
- if(OpenInfo[OpenInfoIndex].AgentHandle == Father) {
- if ((OpenInfo[OpenInfoIndex].Attributes & EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) == EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) {
- *Child = mHandleBuffer[HandleIndex];
- Status = EFI_SUCCESS;
- goto TryReturn;
- }
- }
- }
- Status = EFI_NOT_FOUND;
- }
- }
- if(OpenInfo != NULL) {
- FreePool(OpenInfo);
- OpenInfo = NULL;
- }
- }
- FreePool (ProtocolGuidArray);
- ProtocolGuidArray = NULL;
- }
-TryReturn:
- if(OpenInfo != NULL) {
- FreePool (OpenInfo);
- OpenInfo = NULL;
- }
- if(ProtocolGuidArray != NULL) {
- FreePool(ProtocolGuidArray);
- ProtocolGuidArray = NULL;
- }
- if(mHandleBuffer != NULL) {
- FreePool (mHandleBuffer);
- mHandleBuffer = NULL;
- }
- return Status;
-}
-
-EFI_STATUS
-JudgeHandleIsPCIDevice(
- EFI_HANDLE Handle,
- UINT8 Device,
- UINT8 Funs
- )
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH *DPath;
-
- Status = gBS->HandleProtocol (
- Handle,
- &gEfiDevicePathProtocolGuid,
- (VOID **) &DPath
- );
- if(!EFI_ERROR(Status)) {
- while(!IsDevicePathEnd(DPath)) {
- if((DPath->Type == HARDWARE_DEVICE_PATH) && (DPath->SubType == HW_PCI_DP)) {
- PCI_DEVICE_PATH *PCIPath;
-
- PCIPath = (PCI_DEVICE_PATH*) DPath;
- DPath = NextDevicePathNode(DPath);
- if(IsDevicePathEnd(DPath) && (PCIPath->Device == Device) && (PCIPath->Function == Funs)) {
- return EFI_SUCCESS;
- }
- } else {
- DPath = NextDevicePathNode(DPath);
- }
- }
- }
- return EFI_UNSUPPORTED;
-}
-
-EFI_STATUS
-GetDriverName(
- EFI_HANDLE Handle,
- CHAR16 *GopVersion
- )
-{
- EFI_DRIVER_BINDING_PROTOCOL *BindHandle = NULL;
- EFI_STATUS Status;
- UINT32 Version;
- UINT16 *Ptr;
-
- Status = gBS->OpenProtocol(
- Handle,
- &gEfiDriverBindingProtocolGuid,
- (VOID**)&BindHandle,
- NULL,
- NULL,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (EFI_ERROR(Status)) {
- return EFI_NOT_FOUND;
- }
-
- Version = BindHandle->Version;
- Ptr = (UINT16*)&Version;
- UnicodeSPrint(GopVersion, 40, L"7.0.%04d", *(Ptr));
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-GetGOPDriverVersion(
- CHAR16 *GopVersion
- )
-{
- UINTN HandleCount;
- EFI_HANDLE *Handles= NULL;
- UINTN Index;
- EFI_STATUS Status;
- EFI_HANDLE Child = 0;
-
- Status = gBS->LocateHandleBuffer(
- ByProtocol,
- &gEfiDriverBindingProtocolGuid,
- NULL,
- &HandleCount,
- &Handles
- );
- for (Index = 0; Index < HandleCount ; Index++) {
- Status = SearchChildHandle(Handles[Index], &Child);
- if(!EFI_ERROR(Status)) {
- Status = JudgeHandleIsPCIDevice(Child, 0x02, 0x00);
- if(!EFI_ERROR(Status)) {
- return GetDriverName(Handles[Index], GopVersion);
- }
- }
- }
- return EFI_UNSUPPORTED;
-}
-
-
-/**
- Get Intel GOP driver version and copy it into IGD OpRegion GVER. This version
- is picked up by IGD driver and displayed in CUI.
-
- @param Event A pointer to the Event that triggered the callback.
- @param Context A pointer to private data registered with the callback function.
-
- @retval EFI_SUCCESS Video BIOS VBT information returned.
- @retval EFI_UNSUPPORTED Could not find VBT information (*VBiosVbtPtr = NULL).
-
-**/
-EFI_STATUS
-EFIAPI
-SetGOPVersionCallback (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- CHAR16 GopVersion[16] = {0};
- EFI_STATUS Status;
-
- Status = GetGOPDriverVersion(GopVersion);
- if(!EFI_ERROR(Status)) {
- StrCpy((CHAR16*)&(mIgdOpRegion.OpRegion->Header.GOPV[0]), GopVersion);
- return Status;
- }
- return EFI_UNSUPPORTED;
-}
-
-/**
- Get Intel video BIOS VBT information (i.e. Pointer to VBT and VBT size).
- The VBT (Video BIOS Table) is a block of customizable data that is built
- within the video BIOS and edited by customers.
-
- @param Event A pointer to the Event that triggered the callback.
- @param Context A pointer to private data registered with the callback function.
-
- @retval EFI_SUCCESS Video BIOS VBT information returned.
- @retval EFI_UNSUPPORTED Could not find VBT information (*VBiosVbtPtr = NULL).
-
-**/
-EFI_STATUS
-GetVBiosVbtCallback (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- INTEL_VBIOS_PCIR_STRUCTURE *PcirBlockPtr;
- UINT16 PciVenderId;
- UINT16 PciDeviceId;
- INTEL_VBIOS_OPTION_ROM_HEADER *VBiosPtr;
- VBIOS_VBT_STRUCTURE *VBiosVbtPtr;
- VBIOS_VBT_STRUCTURE *VbtFileBuffer = NULL;
-
- VBiosPtr = (INTEL_VBIOS_OPTION_ROM_HEADER *)(UINTN)(VBIOS_LOCATION_PRIMARY);
- PcirBlockPtr = (INTEL_VBIOS_PCIR_STRUCTURE *)((UINT8 *)VBiosPtr + VBiosPtr->PcirOffset);
- PciVenderId = PcirBlockPtr->VendorId;
- PciDeviceId = PcirBlockPtr->DeviceId;
-
- //
- // If the video BIOS is not at 0xC0000 or it is not an Intel video BIOS get
- // the integrated Intel video BIOS (must be uncompressed).
- //
- if ((VBiosPtr->Signature != OPTION_ROM_SIGNATURE) || (PciVenderId != IGD_VID) || (PciDeviceId != IGD_DID_VLV)) {
- GetIntegratedIntelVBiosPtr (&VBiosPtr);
-
- if(VBiosPtr) {
- //
- // Video BIOS found.
- //
- PcirBlockPtr = (INTEL_VBIOS_PCIR_STRUCTURE *)((UINT8 *)VBiosPtr + VBiosPtr->PcirOffset);
- PciVenderId = PcirBlockPtr->VendorId;
- if( (VBiosPtr->Signature != OPTION_ROM_SIGNATURE) || (PciVenderId != IGD_VID)) {
- //
- // Intel video BIOS not found.
- //
- VBiosVbtPtr = NULL;
- return EFI_UNSUPPORTED;
- }
- } else {
- //
- // No Video BIOS found, try to get VBT from FV.
- //
- GetIntegratedIntelVbtPtr (&VbtFileBuffer);
- if (VbtFileBuffer != NULL) {
- //
- // Video BIOS not found, use VBT from FV
- //
- DEBUG ((EFI_D_ERROR, "VBT data found\n"));
- (gBS->CopyMem) (
- mIgdOpRegion.OpRegion->VBT.GVD1,
- VbtFileBuffer,
- VbtFileBuffer->HeaderVbtSize
- );
- FreePool (VbtFileBuffer);
- return EFI_SUCCESS;
- }
- }
- if ((VBiosPtr == NULL) ) {
- //
- // Intel video BIOS not found.
- //
- VBiosVbtPtr = NULL;
- return EFI_UNSUPPORTED;
- }
- }
-
- DEBUG ((EFI_D_ERROR, "VBIOS found at 0x%X\n", VBiosPtr));
- VBiosVbtPtr = (VBIOS_VBT_STRUCTURE *) ((UINT8 *) VBiosPtr + VBiosPtr->VbtOffset);
-
- if ((*((UINT32 *) (VBiosVbtPtr->HeaderSignature))) != VBT_SIGNATURE) {
- return EFI_UNSUPPORTED;
- }
-
- //
- // Initialize Video BIOS version with its build number.
- //
- mIgdOpRegion.OpRegion->Header.VVER[0] = VBiosVbtPtr->CoreBlockBiosBuild[0];
- mIgdOpRegion.OpRegion->Header.VVER[1] = VBiosVbtPtr->CoreBlockBiosBuild[1];
- mIgdOpRegion.OpRegion->Header.VVER[2] = VBiosVbtPtr->CoreBlockBiosBuild[2];
- mIgdOpRegion.OpRegion->Header.VVER[3] = VBiosVbtPtr->CoreBlockBiosBuild[3];
- (gBS->CopyMem) (
- mIgdOpRegion.OpRegion->VBT.GVD1,
- VBiosVbtPtr,
- VBiosVbtPtr->HeaderVbtSize
- );
-
- //
- // Return final status
- //
- return EFI_SUCCESS;
-}
-
-/**
- Graphics OpRegion / Software SCI driver installation function.
-
- @param ImageHandle Handle for this drivers loaded image protocol.
- @param SystemTable EFI system table.
-
- @retval EFI_SUCCESS The driver installed without error.
- @retval EFI_ABORTED The driver encountered an error and could not complete
- installation of the ACPI tables.
-
-**/
-EFI_STATUS
-IgdOpRegionInit (
- void
- )
-{
- EFI_HANDLE Handle;
- EFI_STATUS Status;
- EFI_GLOBAL_NVS_AREA_PROTOCOL *GlobalNvsArea;
- UINT32 DwordData;
- EFI_CPU_IO_PROTOCOL *CpuIo;
- UINT16 Data16;
- UINT16 AcpiBase;
- VOID *gConOutNotifyReg;
-
-
- //
- // Locate the Global NVS Protocol.
- //
- Status = gBS->LocateProtocol (
- &gEfiGlobalNvsAreaProtocolGuid,
- NULL,
- (void **)&GlobalNvsArea
- );
- ASSERT_EFI_ERROR (Status);
-
- //
- // Allocate an ACPI NVS memory buffer as the IGD OpRegion, zero initialize
- // the first 1K, and set the IGD OpRegion pointer in the Global NVS
- // area structure.
- //
- Status = (gBS->AllocatePool) (
- EfiACPIMemoryNVS,
- sizeof (IGD_OPREGION_STRUC),
- (void **)&mIgdOpRegion.OpRegion
- );
- ASSERT_EFI_ERROR (Status);
- (gBS->SetMem) (
- mIgdOpRegion.OpRegion,
- sizeof (IGD_OPREGION_STRUC),
- 0
- );
- GlobalNvsArea->Area->IgdOpRegionAddress = (UINT32)(UINTN)(mIgdOpRegion.OpRegion);
-
- //
- // If IGD is disabled return
- //
- if (IgdMmPci32 (0) == 0xFFFFFFFF) {
- return EFI_SUCCESS;
- }
-
- //
- // Initialize OpRegion Header
- //
-
- (gBS->CopyMem) (
- mIgdOpRegion.OpRegion->Header.SIGN,
- HEADER_SIGNATURE,
- sizeof(HEADER_SIGNATURE)
- );
-
-
- //
- // Set OpRegion Size in KBs
- //
- mIgdOpRegion.OpRegion->Header.SIZE = HEADER_SIZE/1024;
-
- //
- // FIXME: Need to check Header OVER Field and the supported version.
- //
- mIgdOpRegion.OpRegion->Header.OVER = (UINT32) (LShiftU64 (HEADER_OPREGION_VER, 16) + LShiftU64 (HEADER_OPREGION_REV, 8));
-#ifdef ECP_FLAG
- CopyMem(mIgdOpRegion.OpRegion->Header.SVER, gSVER, sizeof(gSVER));
-#else
- gBS->CopyMem(
- mIgdOpRegion.OpRegion->Header.SVER,
- gSVER,
- sizeof(gSVER)
- );
-#endif
- DEBUG ((EFI_D_ERROR, "System BIOS ID is %a\n", mIgdOpRegion.OpRegion->Header.SVER));
-
-
- mIgdOpRegion.OpRegion->Header.MBOX = HEADER_MBOX_SUPPORT;
-
- if( 1 == DxePlatformSaPolicy->IdleReserve) {
- mIgdOpRegion.OpRegion->Header.PCON = (mIgdOpRegion.OpRegion->Header.PCON & 0xFFFC) | BIT1;
- } else {
- mIgdOpRegion.OpRegion->Header.PCON = (mIgdOpRegion.OpRegion->Header.PCON & 0xFFFC) | (BIT1 | BIT0);
- }
-
- //
- //For graphics driver to identify if LPE Audio/HD Audio is enabled on the platform
- //
- mIgdOpRegion.OpRegion->Header.PCON &= AUDIO_TYPE_SUPPORT_MASK;
- mIgdOpRegion.OpRegion->Header.PCON &= AUDIO_TYPE_FIELD_MASK;
- if ( 1 == DxePlatformSaPolicy->AudioTypeSupport ) {
- mIgdOpRegion.OpRegion->Header.PCON = HD_AUDIO_SUPPORT;
- mIgdOpRegion.OpRegion->Header.PCON |= AUDIO_TYPE_FIELD_VALID;
- }
-
- //
- // Initialize OpRegion Mailbox 1 (Public ACPI Methods).
- //
- //<TODO> The initial setting of mailbox 1 fields is implementation specific.
- // Adjust them as needed many even coming from user setting in setup.
- //
- //Workaround to solve LVDS is off after entering OS in desktop platform
- //
- mIgdOpRegion.OpRegion->MBox1.CLID = DxePlatformSaPolicy->IgdPanelFeatures.LidStatus;
-
- //
- // Initialize OpRegion Mailbox 3 (ASLE Interrupt and Power Conservation).
- //
- //<TODO> The initial setting of mailbox 3 fields is implementation specific.
- // Adjust them as needed many even coming from user setting in setup.
- //
-
- //
- // Do not initialize TCHE. This field is written by the graphics driver only.
- //
-
- //
- // The ALSI field is generally initialized by ASL code by reading the embedded controller.
- //
-
- mIgdOpRegion.OpRegion->MBox3.BCLP = BACKLIGHT_BRIGHTNESS;
-
- mIgdOpRegion.OpRegion->MBox3.PFIT = (FIELD_VALID_BIT | PFIT_STRETCH);
- if ( DxePlatformSaPolicy->IgdPanelFeatures.PFITStatus == 2) {
- //
- // Center
- //
- mIgdOpRegion.OpRegion->MBox3.PFIT = (FIELD_VALID_BIT | PFIT_CENTER);
- } else if (DxePlatformSaPolicy->IgdPanelFeatures.PFITStatus == 1) {
- //
- // Stretch
- //
- mIgdOpRegion.OpRegion->MBox3.PFIT = (FIELD_VALID_BIT | PFIT_STRETCH);
- } else {
- //
- // Auto
- //
- mIgdOpRegion.OpRegion->MBox3.PFIT = (FIELD_VALID_BIT | PFIT_SETUP_AUTO);
- }
-
- //
- // Set Initial current Brightness
- //
- mIgdOpRegion.OpRegion->MBox3.CBLV = (INIT_BRIGHT_LEVEL | FIELD_VALID_BIT);
-
- //
- // <EXAMPLE> Create a static Backlight Brightness Level Duty cycle Mapping Table
- // Possible 20 entries (example used 10), each 16 bits as follows:
- // [15] = Field Valid bit, [14:08] = Level in Percentage (0-64h), [07:00] = Desired duty cycle (0 - FFh).
- //
- // % Brightness
- mIgdOpRegion.OpRegion->MBox3.BCLM[0] = ( ( 0 << 8 ) + ( 0xFF - 0xFC ) + WORD_FIELD_VALID_BIT);
- mIgdOpRegion.OpRegion->MBox3.BCLM[1] = ( ( 1 << 8 ) + ( 0xFF - 0xFC ) + WORD_FIELD_VALID_BIT);
- mIgdOpRegion.OpRegion->MBox3.BCLM[2] = ( ( 10 << 8 ) + ( 0xFF - 0xE5 ) + WORD_FIELD_VALID_BIT);
- mIgdOpRegion.OpRegion->MBox3.BCLM[3] = ( ( 19 << 8 ) + ( 0xFF - 0xCE ) + WORD_FIELD_VALID_BIT);
- mIgdOpRegion.OpRegion->MBox3.BCLM[4] = ( ( 28 << 8 ) + ( 0xFF - 0xB7 ) + WORD_FIELD_VALID_BIT);
- mIgdOpRegion.OpRegion->MBox3.BCLM[5] = ( ( 37 << 8 ) + ( 0xFF - 0xA0 ) + WORD_FIELD_VALID_BIT);
- mIgdOpRegion.OpRegion->MBox3.BCLM[6] = ( ( 46 << 8 ) + ( 0xFF - 0x89 ) + WORD_FIELD_VALID_BIT);
- mIgdOpRegion.OpRegion->MBox3.BCLM[7] = ( ( 55 << 8 ) + ( 0xFF - 0x72 ) + WORD_FIELD_VALID_BIT);
- mIgdOpRegion.OpRegion->MBox3.BCLM[8] = ( ( 64 << 8 ) + ( 0xFF - 0x5B ) + WORD_FIELD_VALID_BIT);
- mIgdOpRegion.OpRegion->MBox3.BCLM[9] = ( ( 73 << 8 ) + ( 0xFF - 0x44 ) + WORD_FIELD_VALID_BIT);
- mIgdOpRegion.OpRegion->MBox3.BCLM[10] = ( ( 82 << 8 ) + ( 0xFF - 0x2D ) + WORD_FIELD_VALID_BIT);
- mIgdOpRegion.OpRegion->MBox3.BCLM[11] = ( ( 91 << 8 ) + ( 0xFF - 0x16 ) + WORD_FIELD_VALID_BIT);
- mIgdOpRegion.OpRegion->MBox3.BCLM[12] = ( (100 << 8 ) + ( 0xFF - 0x00 ) + WORD_FIELD_VALID_BIT);
-
- mIgdOpRegion.OpRegion->MBox3.PCFT = ((UINT32) GlobalNvsArea->Area->IgdPowerConservation) | BIT31;
- //
- // Create the notification and register callback function on the PciIo installation,
- //
- //
- Status = gBS->CreateEvent (
- EVT_NOTIFY_SIGNAL,
- TPL_CALLBACK,
- (EFI_EVENT_NOTIFY)GetVBiosVbtCallback,
- NULL,
- &mConOutEvent
- );
-
- ASSERT_EFI_ERROR (Status);
- if (EFI_ERROR (Status)) {
- return Status;
-
- }
-
- Status = gBS->RegisterProtocolNotify (
-#ifdef ECP_FLAG
- &gExitPmAuthProtocolGuid,
-#else
- &gEfiDxeSmmReadyToLockProtocolGuid,
-#endif
- mConOutEvent,
- &gConOutNotifyReg
- );
-
- Status = gBS->CreateEvent (
- EVT_NOTIFY_SIGNAL,
- TPL_CALLBACK,
- (EFI_EVENT_NOTIFY)SetGOPVersionCallback,
- NULL,
- &mSetGOPverEvent
- );
-
- ASSERT_EFI_ERROR (Status);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = gBS->RegisterProtocolNotify (
- &gEfiGraphicsOutputProtocolGuid,
- mSetGOPverEvent,
- &gConOutNotifyReg
- );
-
-
- //
- // Initialize hardware state:
- // Set ASLS Register to the OpRegion physical memory address.
- // Set SWSCI register bit 15 to a "1" to activate SCI interrupts.
- //
-
- IgdMmPci32 (IGD_ASLS_OFFSET) = (UINT32)(UINTN)(mIgdOpRegion.OpRegion);
- IgdMmPci16AndThenOr (IGD_SWSCI_OFFSET, ~(BIT0), BIT15);
-
- DwordData = IgdMmPci32 (IGD_ASLS_OFFSET);
- S3BootScriptSavePciCfgWrite (
- S3BootScriptWidthUint32,
- (UINTN) (EFI_PCI_ADDRESS (IGD_BUS, IGD_DEV, IGD_FUN_0, IGD_ASLS_OFFSET)),
- 1,
- &DwordData
- );
-
-
- DwordData = IgdMmPci32 (IGD_SWSCI_OFFSET);
- S3BootScriptSavePciCfgWrite (
- S3BootScriptWidthUint32,
- (UINTN) (EFI_PCI_ADDRESS (IGD_BUS, IGD_DEV, IGD_FUN_0, IGD_SWSCI_OFFSET)),
- 1,
- &DwordData
- );
-
- AcpiBase = MmPci16 (
- 0,
- DEFAULT_PCI_BUS_NUMBER_PCH,
- PCI_DEVICE_NUMBER_PCH_LPC,
- PCI_FUNCTION_NUMBER_PCH_LPC,
- R_PCH_LPC_ACPI_BASE
- ) & B_PCH_LPC_ACPI_BASE_BAR;
-
- //
- // Find the CPU I/O Protocol. ASSERT if not found.
- //
- Status = gBS->LocateProtocol (
- &gEfiCpuIoProtocolGuid,
- NULL,
- (void **)&CpuIo
- );
- ASSERT_EFI_ERROR (Status);
-
- CpuIo->Io.Read (
- CpuIo,
- EfiCpuIoWidthUint16,
- AcpiBase + R_PCH_ACPI_GPE0a_STS,
- 1,
- &Data16
- );
- //
- // Clear the B_PCH_ACPI_GPE0a_STS_GUNIT_SCI bit in R_PCH_ACPI_GPE0a_STS by writing a '1'.
- //
- Data16 |= B_PCH_ACPI_GPE0a_STS_GUNIT_SCI;
-
- CpuIo->Io.Write (
- CpuIo,
- EfiCpuIoWidthUint16,
- AcpiBase + R_PCH_ACPI_GPE0a_STS,
- 1,
- &Data16
- );
-
- //
- // Install OpRegion / Software SCI protocol
- //
- Handle = NULL;
- Status = gBS->InstallMultipleProtocolInterfaces (
- &Handle,
- &gIgdOpRegionProtocolGuid,
- &mIgdOpRegion,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
-
- //
- // Return final status
- //
- return EFI_SUCCESS;
-}
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