/** @file
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Header file for PCH Init SMM Handler
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Copyright (c) 2021, 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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#ifndef _PCH_INIT_SMM_H_
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#define _PCH_INIT_SMM_H_
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#include <PiDxe.h>
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#include <Library/DebugLib.h>
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#include <Library/IoLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <Library/SmmServicesTableLib.h>
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#include <Library/DxeServicesTableLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Protocol/SmmSxDispatch2.h>
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#include <Protocol/SmmIoTrapDispatch2.h>
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#include <Library/S3BootScriptLib.h>
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#include <Library/HobLib.h>
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#include <Protocol/SmmCpu.h>
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#include <Library/TimerLib.h>
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#include <IndustryStandard/Pci30.h>
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#include <Library/PmcLib.h>
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#include <Library/PchPcieRpLib.h>
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#include <Library/PchInfoLib.h>
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#include <Library/SataLib.h>
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#include <Library/GpioLib.h>
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#include <Library/GpioNativeLib.h>
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#include <Library/EspiLib.h>
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#include <Library/PciSegmentLib.h>
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#include <Library/ConfigBlockLib.h>
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#include <Library/PciExpressHelpersLib.h>
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#include <Protocol/PchPcieSmiDispatch.h>
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#include <Protocol/PchTcoSmiDispatch.h>
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#include <Protocol/PchSmiDispatch.h>
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#include <Protocol/PchEspiSmiDispatch.h>
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#include <Protocol/PchSmmIoTrapControl.h>
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#include <Protocol/PchNvsArea.h>
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#include <Protocol/PcieIoTrap.h>
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#include <SiConfigHob.h>
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#include <PchConfigHob.h>
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#include <Library/PmcPrivateLib.h>
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extern EFI_SMM_IO_TRAP_DISPATCH2_PROTOCOL *mPchIoTrap;
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extern EFI_SMM_SX_DISPATCH2_PROTOCOL *mSxDispatch;
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extern PCH_NVS_AREA *mPchNvsArea;
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extern UINT16 mAcpiBaseAddr;
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extern EFI_PHYSICAL_ADDRESS mResvMmioBaseAddr;
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extern UINTN mResvMmioSize;
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//
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// NOTE: The module variables of policy here are only valid in post time, but not runtime time.
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//
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extern PCH_CONFIG_HOB *mPchConfigHob;
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extern SI_CONFIG_HOB_DATA *mSiConfigHobData;
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/**
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Register PCIE Hotplug SMI dispatch function to handle Hotplug enabling
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@param[in] ImageHandle The image handle of this module
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@param[in] SystemTable The EFI System Table
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@retval EFI_SUCCESS The function completes successfully
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**/
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EFI_STATUS
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EFIAPI
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InitializePchPcieSmm (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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/**
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Program Common Clock and ASPM of Downstream Devices
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@param[in] PortIndex Pcie Root Port Number
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@param[in] RpDevice Pcie Root Pci Device Number
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@param[in] RpFunction Pcie Root Pci Function Number
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@retval EFI_SUCCESS Root port complete successfully
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@retval EFI_UNSUPPORTED PMC has invalid vendor ID
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**/
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EFI_STATUS
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PchPcieSmi (
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IN UINT8 PortIndex,
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IN UINT8 RpDevice,
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IN UINT8 RpFunction
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);
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/**
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PCIE Hotplug SMI call back function for each Root port
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@param[in] DispatchHandle Handle of this dispatch function
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@param[in] RpContext Rootport context, which contains RootPort Index,
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and RootPort PCI BDF.
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**/
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VOID
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EFIAPI
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PchPcieSmiRpHandlerFunction (
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IN EFI_HANDLE DispatchHandle,
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IN PCH_PCIE_SMI_RP_CONTEXT *RpContext
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);
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/**
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PCIE Link Active State Change Hotplug SMI call back function for all Root ports
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@param[in] DispatchHandle Handle of this dispatch function
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@param[in] RpContext Rootport context, which contains RootPort Index,
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and RootPort PCI BDF.
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**/
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VOID
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EFIAPI
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PchPcieLinkActiveStateChange (
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IN EFI_HANDLE DispatchHandle,
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IN PCH_PCIE_SMI_RP_CONTEXT *RpContext
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);
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/**
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PCIE Link Equalization Request SMI call back function for all Root ports
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@param[in] DispatchHandle Handle of this dispatch function
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@param[in] RpContext Rootport context, which contains RootPort Index,
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and RootPort PCI BDF.
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**/
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VOID
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EFIAPI
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PchPcieLinkEqHandlerFunction (
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IN EFI_HANDLE DispatchHandle,
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IN PCH_PCIE_SMI_RP_CONTEXT *RpContext
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);
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/**
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An IoTrap callback to config PCIE power management settings
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@param[in] DispatchHandle - The handle of this callback, obtained when registering
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@param[in] DispatchContext - Pointer to the EFI_SMM_IO_TRAP_DISPATCH_CALLBACK_CONTEXT
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**/
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VOID
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EFIAPI
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PchPcieIoTrapSmiCallback (
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IN EFI_HANDLE DispatchHandle,
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IN EFI_SMM_IO_TRAP_CONTEXT *CallbackContext,
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IN OUT VOID *CommBuffer,
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IN OUT UINTN *CommBufferSize
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);
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/**
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Initializes the PCH SMM handler for PCH save and restore
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@param[in] ImageHandle - Handle for the image of this driver
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@param[in] SystemTable - Pointer to the EFI System Table
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@retval EFI_SUCCESS - PCH SMM handler was installed
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**/
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EFI_STATUS
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EFIAPI
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PchInitLateSmm (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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/**
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Initialize PCH Sx entry SMI handler.
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@param[in] ImageHandle - Handle for the image of this driver
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**/
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VOID
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InitializeSxHandler (
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IN EFI_HANDLE ImageHandle
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);
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/**
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PCH Sx entry SMI handler.
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@param[in] Handle Handle of the callback
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@param[in] Context The dispatch context
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@param[in,out] CommBuffer A pointer to a collection of data in memory that will
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be conveyed from a non-SMM environment into an SMM environment.
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@param[in,out] CommBufferSize The size of the CommBuffer.
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@retval EFI_SUCCESS
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**/
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EFI_STATUS
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EFIAPI
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PchSxHandler (
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IN EFI_HANDLE Handle,
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IN CONST VOID *Context OPTIONAL,
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IN OUT VOID *CommBuffer OPTIONAL,
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IN OUT UINTN *CommBufferSize OPTIONAL
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);
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/**
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GbE Sx entry handler
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**/
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VOID
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PchLanSxCallback (
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VOID
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);
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/**
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Updates Codec Sx Wake Capability setting: disabled/enabled
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**/
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VOID
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UpdateHdaCodecSxWakeCapabilitySetting (
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VOID
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);
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/**
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Register dispatch function to handle GPIO pads Sx isolation
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**/
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VOID
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InitializeGpioSxIsolationSmm (
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VOID
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);
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/**
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Entry point for Pch Bios Write Protect driver.
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@param[in] ImageHandle Image handle of this driver.
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@param[in] SystemTable Global system service table.
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@retval EFI_SUCCESS Initialization complete.
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**/
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EFI_STATUS
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EFIAPI
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InstallPchBiosWriteProtect (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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/**
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This fuction install SPI ASYNC SMI handler.
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@retval EFI_SUCCESS Initialization complete.
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**/
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EFI_STATUS
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EFIAPI
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InstallPchSpiAsyncSmiHandler (
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VOID
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);
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#endif
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