135 lines
3.6 KiB
C
135 lines
3.6 KiB
C
/** @file
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Header file for Graphics Info Fru Lib implementation.
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@copyright
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INTEL CONFIDENTIAL
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Copyright 2019 - 2021 Intel Corporation.
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The source code contained or described herein and all documents related to the
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source code ("Material") are owned by Intel Corporation or its suppliers or
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licensors. Title to the Material remains with Intel Corporation or its suppliers
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and licensors. The Material may contain trade secrets and proprietary and
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confidential information of Intel Corporation and its suppliers and licensors,
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and is protected by worldwide copyright and trade secret laws and treaty
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provisions. No part of the Material may be used, copied, reproduced, modified,
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published, uploaded, posted, transmitted, distributed, or disclosed in any way
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without Intel's prior express written permission.
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No license under any patent, copyright, trade secret or other intellectual
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property right is granted to or conferred upon you by disclosure or delivery
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of the Materials, either expressly, by implication, inducement, estoppel or
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otherwise. Any license under such intellectual property rights must be
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express and approved by Intel in writing.
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Unless otherwise agreed by Intel in writing, you may not remove or alter
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this notice or any other notice embedded in Materials by Intel or
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Intel's suppliers or licensors in any way.
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This file contains an 'Intel Peripheral Driver' and is uniquely identified as
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"Intel Reference Module" and is licensed for Intel CPUs and chipsets under
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the terms of your license agreement with Intel or your vendor. This file may
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be modified by the user, subject to additional terms of the license agreement.
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@par Specification Reference:
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**/
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#ifndef _GRAPHICS_INFO_FRU_LIB_H_
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#define _GRAPHICS_INFO_FRU_LIB_H_
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#include <Uefi.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/IoLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/PciSegmentLib.h>
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#include <IndustryStandard/Pci22.h>
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#include <Register/SaRegsHostBridge.h>
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/**
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Checks if SKU is DisplayOnly
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@retval FALSE SKU is not DisplayOnly
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@retval TRUE SKU is DisplayOnly
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**/
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BOOLEAN
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EFIAPI
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IsDisplayOnlySku (
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VOID
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);
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/**
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Program the Display Power 2 Wells supported by platform
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@param[in] GttMmAdr - Base Address of IGFX MMIO BAR
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@retval EFI_SUCCESS - Power well programming finished successfully
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@retval EFI_UNSUPPORTED - Power well programming failed
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@retval EFI_TIMEOUT - Timed out
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**/
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EFI_STATUS
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EnablePowerWell2 (
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IN UINT32 GttMmAdr
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);
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/**
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Program the Display Power Wells 3 supported by platform
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@param[in] GttMmAdr - Base Address of IGFX MMIO BAR
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@retval EFI_SUCCESS - Power well programming finished successfully
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@retval EFI_UNSUPPORTED - Power well programming failed
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@retval EFI_TIMEOUT - Timed out
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**/
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EFI_STATUS
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EnablePowerWell3 (
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IN UINT32 GttMmAdr
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);
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/**
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Checks if Media is Present on 0/2/0 or not.
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@retval FALSE Media is not present
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@retval TRUE Media is present
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**/
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BOOLEAN
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EFIAPI
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IsMediaPresent (
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IN UINTN GttMmAdr
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);
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/**
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Checks if GT is present on 0/2/0 or not.
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@retval FALSE GT is not present
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@retval TRUE GT is present
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**/
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BOOLEAN
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EFIAPI
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IsGtPresent (
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IN UINTN GttMmAdr
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);
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/**
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Checks if Display is present on 0/2/0 or not.
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@retval FALSE Display is not present
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@retval TRUE Display is present
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**/
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BOOLEAN
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EFIAPI
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IsDisplayPresent (
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IN UINTN GttMmAdr
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);
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/**
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Force keep GT into RC6 state
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@retval EFI_SUCCESS - GT RC6 MSR programmed successfully
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**/
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EFI_STATUS
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EFIAPI
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ForceGtRc6 (
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VOID
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);
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#endif
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