/** @file
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Copyright (c) 2018, 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_INFO_LIB_H_
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#define _PCH_INFO_LIB_H_
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#include <PchAccess.h>
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typedef enum {
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PchH = 1,
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PchLp,
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PchUnknownSeries
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} PCH_SERIES;
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typedef enum {
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SklPch = 1,
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PchUnknownGeneration
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} PCH_GENERATION;
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/**
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Return Pch stepping type
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@retval PCH_STEPPING Pch stepping type
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**/
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PCH_STEPPING
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EFIAPI
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PchStepping (
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VOID
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);
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/**
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Determine if PCH is supported
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@retval TRUE PCH is supported
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@retval FALSE PCH is not supported
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**/
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BOOLEAN
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IsPchSupported (
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VOID
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);
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/**
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Return Pch Series
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@retval PCH_SERIES Pch Series
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**/
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PCH_SERIES
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EFIAPI
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GetPchSeries (
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VOID
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);
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/**
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Return Pch Generation
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@retval PCH_GENERATION Pch Generation
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**/
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PCH_GENERATION
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EFIAPI
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GetPchGeneration (
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VOID
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);
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/**
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Get Pch Maximum Pcie Root Port Number
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@retval PcieMaxRootPort Pch Maximum Pcie Root Port Number
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**/
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UINT8
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EFIAPI
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GetPchMaxPciePortNum (
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VOID
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);
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/**
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Get Pch Maximum Sata Port Number
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@retval Pch Maximum Sata Port Number
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**/
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UINT8
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EFIAPI
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GetPchMaxSataPortNum (
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VOID
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);
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/**
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Get Pch Usb Maximum Physical Port Number
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@retval Pch Usb Maximum Physical Port Number
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**/
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UINT8
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EFIAPI
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GetPchUsbMaxPhysicalPortNum (
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VOID
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);
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/**
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Get Pch Maximum Usb2 Port Number of XHCI Controller
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@retval Pch Maximum Usb2 Port Number of XHCI Controller
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**/
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UINT8
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EFIAPI
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GetPchXhciMaxUsb2PortNum (
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VOID
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);
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/**
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Get Pch Maximum Usb3 Port Number of XHCI Controller
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@retval Pch Maximum Usb3 Port Number of XHCI Controller
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**/
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UINT8
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EFIAPI
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GetPchXhciMaxUsb3PortNum (
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VOID
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);
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/**
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Return TRUE if Server Sata is present
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@retval BOOLEAN TRUE if sSata device is present
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**/
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BOOLEAN
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EFIAPI
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GetIsPchsSataPresent (
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VOID
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);
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/**
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Get Pch Maximum sSata Port Number
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@param[in] None
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@retval Pch Maximum sSata Port Number
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**/
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UINT8
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EFIAPI
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GetPchMaxsSataPortNum (
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VOID
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);
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/**
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Get Pch Maximum sSata Controller Number
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@param[in] None
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@retval Pch Maximum sSata Controller Number
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**/
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UINT8
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EFIAPI
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GetPchMaxsSataControllerNum (
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VOID
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);
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/**
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Return Pch Lpc Device Id
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@retval UINT16 Pch DeviceId
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**/
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UINT16
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EFIAPI
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GetPchLpcDeviceId (
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VOID
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);
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/**
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Get PCH stepping ASCII string
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The return string is zero terminated.
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@param [in] PchStep Pch stepping
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@param [out] Buffer Output buffer of string
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@param [in,out] BufferSize Size of input buffer,
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and return required string size when buffer is too small.
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@retval EFI_SUCCESS String copy successfully
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@retval EFI_INVALID_PARAMETER The stepping is not supported, or parameters are NULL
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@retval EFI_BUFFER_TOO_SMALL Input buffer size is too small
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**/
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EFI_STATUS
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PchGetSteppingStr (
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IN PCH_STEPPING PchStep,
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OUT CHAR8 *Buffer,
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IN OUT UINT32 *BufferSize
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);
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/**
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Get PCH series ASCII string
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The return string is zero terminated.
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@param [in] PchSeries Pch series
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@param [out] Buffer Output buffer of string
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@param [in,out] BufferSize Size of input buffer,
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and return required string size when buffer is too small.
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@retval EFI_SUCCESS String copy successfully
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@retval EFI_INVALID_PARAMETER The series is not supported, or parameters are NULL
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@retval EFI_BUFFER_TOO_SMALL Input buffer size is too small
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**/
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EFI_STATUS
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PchGetSeriesStr (
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IN PCH_SERIES PchSeries,
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OUT CHAR8 *Buffer,
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IN OUT UINT32 *BufferSize
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);
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/**
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Get PCH Sku ASCII string
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The return string is zero terminated.
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@param [in] LpcDid LPC device id
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@param [out] Buffer Output buffer of string
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@param [in,out] BufferSize Size of input buffer,
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and return required string size when buffer is too small.
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@retval EFI_SUCCESS String copy successfully
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@retval EFI_INVALID_PARAMETER The series is not supported, or parameters are NULL
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@retval EFI_BUFFER_TOO_SMALL Input buffer size is too small
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**/
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EFI_STATUS
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PchGetSkuStr (
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IN UINT16 LpcDid,
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OUT CHAR8 *Buffer,
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IN OUT UINT32 *BufferSize
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);
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#endif // _PCH_INFO_LIB_H_
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