/** @file
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DXE driver for Initializing SystemAgent Graphics ACPI table initialization.
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Copyright (c) 2019 - 2020 Intel Corporation. All rights reserved. <BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "GraphicsInit.h"
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#include "SaInit.h"
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#include <Protocol/LegacyBios.h>
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#include <Protocol/GopComponentName2.h>
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#include <SiConfigHob.h>
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#include <Library/ConfigBlockLib.h>
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typedef union {
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struct {
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UINT32 Low;
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UINT32 High;
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} Data32;
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UINT64 Data;
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} UINT64_STRUCT;
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extern SYSTEM_AGENT_NVS_AREA_PROTOCOL mSaNvsAreaProtocol;
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GLOBAL_REMOVE_IF_UNREFERENCED UINT64 mGttMmAdr;
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GLOBAL_REMOVE_IF_UNREFERENCED UINT64_STRUCT mMchBarBase;
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GLOBAL_REMOVE_IF_UNREFERENCED GOP_COMPONENT_NAME2_PROTOCOL *GopComponentName2Protocol = NULL;
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/**
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Do Post GT PM Init Steps after VBIOS Initialization.
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@retval EFI_SUCCESS Succeed.
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**/
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EFI_STATUS
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PostPmInitEndOfDxe (
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VOID
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)
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{
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CHAR16 *DriverVersion;
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UINTN Index;
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EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
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EFI_STATUS Status;
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GRAPHICS_DXE_CONFIG *GraphicsDxeConfig;
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EFI_PEI_HOB_POINTERS HobPtr;
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SI_CONFIG_HOB_DATA *SiConfigHobData;
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///
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/// Get the platform setup policy.
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///
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DriverVersion = NULL;
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LegacyBios = NULL;
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Status = gBS->LocateProtocol (&gSaPolicyProtocolGuid, NULL, (VOID **) &mSaPolicy);
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ASSERT_EFI_ERROR (Status);
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Status = GetConfigBlock ((VOID *) mSaPolicy, &gGraphicsDxeConfigGuid, (VOID *)&GraphicsDxeConfig);
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ASSERT_EFI_ERROR (Status);
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//
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// Get Silicon Config data HOB
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//
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HobPtr.Guid = GetFirstGuidHob (&gSiConfigHobGuid);
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SiConfigHobData = (SI_CONFIG_HOB_DATA *)GET_GUID_HOB_DATA (HobPtr.Guid);
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if (SiConfigHobData->CsmFlag == 1) {
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Status = gBS->LocateProtocol (
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&gEfiLegacyBiosProtocolGuid,
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NULL,
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(VOID **) &LegacyBios
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);
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}
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if (LegacyBios == NULL) {
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Status = gBS->LocateProtocol (&gGopComponentName2ProtocolGuid, NULL, (VOID **)&GopComponentName2Protocol);
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if (!EFI_ERROR (Status)) {
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Status = GopComponentName2Protocol->GetDriverVersion (
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GopComponentName2Protocol,
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"en-US",
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&DriverVersion
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);
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if (!EFI_ERROR (Status)) {
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for (Index = 0; (DriverVersion[Index] != '\0'); Index++) {
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}
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Index = (Index+1)*2;
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CopyMem (GraphicsDxeConfig->GopVersion, DriverVersion, Index);
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}
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}
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}
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///
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/// Return final status
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///
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return EFI_SUCCESS;
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}
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/**
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Initialize GT ACPI tables
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@param[in] ImageHandle - Handle for the image of this driver
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@param[in] SaPolicy - SA DXE Policy protocol
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@retval EFI_SUCCESS - GT ACPI initialization complete
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@retval EFI_NOT_FOUND - Dxe System Table not found.
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@retval EFI_OUT_OF_RESOURCES - Mmio not allocated successfully.
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**/
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EFI_STATUS
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GraphicsInit (
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IN EFI_HANDLE ImageHandle,
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IN SA_POLICY_PROTOCOL *SaPolicy
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)
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{
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EFI_STATUS Status;
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GRAPHICS_DXE_CONFIG *GraphicsDxeConfig;
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mGttMmAdr = 0;
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Status = EFI_SUCCESS;
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mMchBarBase.Data32.High = PciSegmentRead32 (PCI_SEGMENT_LIB_ADDRESS (SA_SEG_NUM, SA_MC_BUS, 0, 0, R_SA_MCHBAR + 4));
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mMchBarBase.Data32.Low = PciSegmentRead32 (PCI_SEGMENT_LIB_ADDRESS (SA_SEG_NUM, SA_MC_BUS, 0, 0, R_SA_MCHBAR));
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mMchBarBase.Data &= (UINT64) ~BIT0;
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Status = GetConfigBlock ((VOID *) SaPolicy, &gGraphicsDxeConfigGuid, (VOID *)&GraphicsDxeConfig);
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ASSERT_EFI_ERROR (Status);
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///
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/// Update IGD SA Global NVS
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///
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DEBUG ((DEBUG_INFO, " Update Igd SA Global NVS Area.\n"));
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mSaNvsAreaProtocol.Area->AlsEnable = GraphicsDxeConfig->AlsEnable;
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///
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/// Initialize IGD state by checking if IGD Device 2 Function 0 is enabled in the chipset
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///
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if (PciSegmentRead16 (PCI_SEGMENT_LIB_ADDRESS (SA_SEG_NUM, SA_MC_BUS, 0, 0, R_SA_DEVEN)) & B_SA_DEVEN_D2EN_MASK) {
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mSaNvsAreaProtocol.Area->IgdState = 1;
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} else {
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mSaNvsAreaProtocol.Area->IgdState = 0;
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}
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mSaNvsAreaProtocol.Area->BrightnessPercentage = 100;
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mSaNvsAreaProtocol.Area->IgdBootType = GraphicsDxeConfig->IgdBootType;
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mSaNvsAreaProtocol.Area->IgdPanelType = GraphicsDxeConfig->IgdPanelType;
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mSaNvsAreaProtocol.Area->IgdPanelScaling = GraphicsDxeConfig->IgdPanelScaling;
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///
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/// Get SFF power mode platform data for the IGD driver. Flip the bit (bitwise xor)
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/// since Setup value is opposite of NVS and IGD OpRegion value.
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///
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mSaNvsAreaProtocol.Area->IgdDvmtMemSize = GraphicsDxeConfig->IgdDvmtMemSize;
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mSaNvsAreaProtocol.Area->IgdFunc1Enable = 0;
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mSaNvsAreaProtocol.Area->IgdHpllVco = MmioRead8 (mMchBarBase.Data + 0xC0F) & 0x07;
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mSaNvsAreaProtocol.Area->IgdSciSmiMode = 0;
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mSaNvsAreaProtocol.Area->GfxTurboIMON = GraphicsDxeConfig->GfxTurboIMON;
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mSaNvsAreaProtocol.Area->EdpValid = 0;
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return EFI_SUCCESS;
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}
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