/** @file
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This file provide services for DXE phase Graphics policy default initialization.
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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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#include <Library/DxeGraphicsPolicyLib.h>
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/**
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This function prints the Graphics DXE phase policy.
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@param[in] SaPolicy - SA DXE Policy protocol
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**/
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VOID
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GraphicsDxePolicyPrint (
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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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//
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// Get requisite IP Config Blocks which needs to be used here
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//
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Status = GetConfigBlock ((VOID *) SaPolicy, &gGraphicsDxeConfigGuid, (VOID *)&GraphicsDxeConfig);
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ASSERT_EFI_ERROR (Status);
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DEBUG_CODE_BEGIN ();
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DEBUG ((DEBUG_INFO, "\n------------------------ Graphics Policy (DXE) print BEGIN -----------------\n"));
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DEBUG ((DEBUG_INFO, " Revision : %d\n", GraphicsDxeConfig->Header.Revision));
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ASSERT (GraphicsDxeConfig->Header.Revision == GRAPHICS_DXE_CONFIG_REVISION);
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DEBUG ((DEBUG_INFO, "\n------------------------ Graphics Policy (DXE) print END -----------------\n"));
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DEBUG_CODE_END ();
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return;
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}
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/**
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This function Load default Graphics DXE policy.
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@param[in] ConfigBlockPointer The pointer to add Graphics config block
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**/
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VOID
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LoadIgdDxeDefault (
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IN VOID *ConfigBlockPointer
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)
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{
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GRAPHICS_DXE_CONFIG *GraphicsDxeConfig;
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GraphicsDxeConfig = ConfigBlockPointer;
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DEBUG ((DEBUG_INFO, "GraphicsDxeConfig->Header.GuidHob.Name = %g\n", &GraphicsDxeConfig->Header.GuidHob.Name));
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DEBUG ((DEBUG_INFO, "GraphicsDxeConfig->Header.GuidHob.Header.HobLength = 0x%x\n", GraphicsDxeConfig->Header.GuidHob.Header.HobLength));
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///
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/// Initialize the Graphics configuration
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///
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GraphicsDxeConfig->PlatformConfig = 1;
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GraphicsDxeConfig->AlsEnable = 2;
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GraphicsDxeConfig->BacklightControlSupport = 2;
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GraphicsDxeConfig->IgdBlcConfig = 2;
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GraphicsDxeConfig->IgdDvmtMemSize = 1;
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GraphicsDxeConfig->GfxTurboIMON = 31;
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///
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/// <EXAMPLE> Create a static Backlight Brightness Level Duty cycle Mapping Table
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/// Possible 20 entries (example used 11), each 16 bits as follows:
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/// [15] = Field Valid bit, [14:08] = Level in Percentage (0-64h), [07:00] = Desired duty cycle (0 - FFh).
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///
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GraphicsDxeConfig->BCLM[0] = (0x0000 + WORD_FIELD_VALID_BIT); ///< 0%
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GraphicsDxeConfig->BCLM[1] = (0x0A19 + WORD_FIELD_VALID_BIT); ///< 10%
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GraphicsDxeConfig->BCLM[2] = (0x1433 + WORD_FIELD_VALID_BIT); ///< 20%
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GraphicsDxeConfig->BCLM[3] = (0x1E4C + WORD_FIELD_VALID_BIT); ///< 30%
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GraphicsDxeConfig->BCLM[4] = (0x2866 + WORD_FIELD_VALID_BIT); ///< 40%
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GraphicsDxeConfig->BCLM[5] = (0x327F + WORD_FIELD_VALID_BIT); ///< 50%
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GraphicsDxeConfig->BCLM[6] = (0x3C99 + WORD_FIELD_VALID_BIT); ///< 60%
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GraphicsDxeConfig->BCLM[7] = (0x46B2 + WORD_FIELD_VALID_BIT); ///< 70%
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GraphicsDxeConfig->BCLM[8] = (0x50CC + WORD_FIELD_VALID_BIT); ///< 80%
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GraphicsDxeConfig->BCLM[9] = (0x5AE5 + WORD_FIELD_VALID_BIT); ///< 90%
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GraphicsDxeConfig->BCLM[10] = (0x64FF + WORD_FIELD_VALID_BIT); ///< 100%
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}
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static COMPONENT_BLOCK_ENTRY mGraphicsDxeIpBlocks = {
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&gGraphicsDxeConfigGuid, sizeof (GRAPHICS_DXE_CONFIG), GRAPHICS_DXE_CONFIG_REVISION, LoadIgdDxeDefault};
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/**
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Get DXE Graphics config block table total size.
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@retval Size of DXE Graphics config block table
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**/
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UINT16
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EFIAPI
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GraphicsGetConfigBlockTotalSizeDxe (
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VOID
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)
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{
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return mGraphicsDxeIpBlocks.Size;
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}
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/**
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GraphicsAddConfigBlocksDxe add all DXE Graphics config block.
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@param[in] ConfigBlockTableAddress The pointer to add SA config blocks
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@retval EFI_SUCCESS The policy default is initialized.
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@retval EFI_OUT_OF_RESOURCES Insufficient resources to create buffer
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**/
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EFI_STATUS
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EFIAPI
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GraphicsAddConfigBlocksDxe (
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IN VOID *ConfigBlockTableAddress
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)
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{
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EFI_STATUS Status;
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Status = AddComponentConfigBlocks (ConfigBlockTableAddress, &mGraphicsDxeIpBlocks, 1);
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return Status;
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}
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