/** @file
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Internal header file for PCH DMI library for SIP15
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Copyright (c) 2019 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_DMI_15_H__
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#define __PCH_DMI_15_H__
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#include <Private/Library/PchDmiLib.h>
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#include <Private/Library/PeiPchDmiLib.h>
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/**
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This function checks if DMI SIP15 Secured Register Lock (SRL) is set
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@retval SRL state
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**/
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BOOLEAN
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IsPchDmi15Locked (
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VOID
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);
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/**
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Set DMI thermal throttling to recommended configuration.
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It's intended only for P-DMI SIP15.
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**/
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VOID
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PchDmi15SetRecommendedThermalThrottling (
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VOID
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);
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/**
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Set DMI thermal throttling to custom configuration.
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This function will configure Thermal Sensor 0/1/2/3 TargetWidth and set
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DMI Thermal Sensor Autonomous Width Enable.
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It's intended only for P-DMI SIP15.
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@param[in] DmiThermalThrottling DMI Thermal Throttling structure.
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**/
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VOID
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PchDmi15SetCustomThermalThrottling (
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IN DMI_THERMAL_THROTTLING DmiThermalThrottling
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);
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/**
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Enable PCIe Relaxed Order for DMI SIP15
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**/
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VOID
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PchDmi15EnablePcieRelaxedOrder (
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VOID
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);
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/**
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This function will switch SAI value to be driven to IOSF Primary Fabric
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for cycles with Core BDF from HOSTIA_BOOT_SAI to HOSTIA_POSTBOOT_SAI.
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To be used when PCH is paired with CFL CPU.
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**/
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VOID
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PchDmi15EnablePostBootSai (
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VOID
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);
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/**
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This function will do necessary configuration after platform
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should have switched to POSTBOOT_SAI. It needs to be called even if
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POSTBOOT_SAI was not set.
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**/
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VOID
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PchDmi15ConfigAfterPostBootSai (
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VOID
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);
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/**
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Secure Register Lock data
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@param[out] SrlRegOffset Register offset holding Secure Register Lock setting
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@param[out] SrlRegMask Mask for Secure Register Lock setting
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**/
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VOID
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PchDmi15SrlRegData (
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OUT UINT16 *SrlRegOffset,
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OUT UINT32 *SrlRegMask
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);
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/**
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Get PCH DMI SIP15 Virtual Channel Control and Status registers
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@param[in] Vc The virtual channel number for programing
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@param[out] DmiVcCtlAddress DMI Virtual Channel Control register address
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@param[out] DmiVcStsAddress DMI Virtual Channel Status register address
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**/
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VOID
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PchDmi15VcRegs (
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IN PCH_DMI_VC_TYPE Vc,
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OUT UINT16 *DmiVcCtlAddress,
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OUT UINT16 *DmiVcStsAddress
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);
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/**
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The function sets the Target Link Speed to GEN 3 in P-DMI SIP15.
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@param[in] TargetLinkSpeed Target Link Speed
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2: GEN2
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3: GEN3
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**/
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VOID
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PchDmi15SetTargetLinkSpeed (
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IN UINT8 TargetLinkSpeed
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);
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#endif
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