/** @file
  This file provide services for DXE phase Graphics policy default initialization.

  Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
  SPDX-License-Identifier: BSD-2-Clause-Patent
**/

#include <Library/DxeGraphicsPolicyLib.h>

/**
  This function prints the Graphics DXE phase policy.

  @param[in] SaPolicy - SA DXE Policy protocol
**/
VOID
GraphicsDxePolicyPrint (
  IN  SA_POLICY_PROTOCOL      *SaPolicy
  )
{
  EFI_STATUS                  Status;
  GRAPHICS_DXE_CONFIG         *GraphicsDxeConfig;

  //
  // Get requisite IP Config Blocks which needs to be used here
  //
  Status = GetConfigBlock ((VOID *) SaPolicy, &gGraphicsDxeConfigGuid, (VOID *)&GraphicsDxeConfig);
  ASSERT_EFI_ERROR (Status);


  DEBUG_CODE_BEGIN ();
  DEBUG ((DEBUG_INFO, "\n------------------------ Graphics Policy (DXE) print BEGIN -----------------\n"));
  DEBUG ((DEBUG_INFO, " Revision : %d\n", GraphicsDxeConfig->Header.Revision));
  ASSERT (GraphicsDxeConfig->Header.Revision == GRAPHICS_DXE_CONFIG_REVISION);
  DEBUG ((DEBUG_INFO, "\n------------------------ Graphics Policy (DXE) print END -----------------\n"));
  DEBUG_CODE_END ();

  return;
}


/**
  This function Load default Graphics DXE policy.

  @param[in] ConfigBlockPointer    The pointer to add Graphics config block
**/
VOID
LoadIgdDxeDefault (
  IN VOID    *ConfigBlockPointer
  )
{
  GRAPHICS_DXE_CONFIG        *GraphicsDxeConfig;

  GraphicsDxeConfig = ConfigBlockPointer;
  DEBUG ((DEBUG_INFO, "GraphicsDxeConfig->Header.GuidHob.Name = %g\n", &GraphicsDxeConfig->Header.GuidHob.Name));
  DEBUG ((DEBUG_INFO, "GraphicsDxeConfig->Header.GuidHob.Header.HobLength = 0x%x\n", GraphicsDxeConfig->Header.GuidHob.Header.HobLength));
  ///
  /// Initialize the Graphics configuration
  ///
  GraphicsDxeConfig->PlatformConfig           = 1;
  GraphicsDxeConfig->AlsEnable                = 2;
  GraphicsDxeConfig->BacklightControlSupport  = 2;
  GraphicsDxeConfig->IgdBlcConfig             = 2;
  GraphicsDxeConfig->IgdDvmtMemSize           = 1;
  GraphicsDxeConfig->GfxTurboIMON             = 31;
  ///
  /// <EXAMPLE> Create a static Backlight Brightness Level Duty cycle Mapping Table
  /// Possible 20 entries (example used 11), each 16 bits as follows:
  /// [15] = Field Valid bit, [14:08] = Level in Percentage (0-64h), [07:00] = Desired duty cycle (0 - FFh).
  ///
  GraphicsDxeConfig->BCLM[0] = (0x0000 + WORD_FIELD_VALID_BIT);  ///< 0%
  GraphicsDxeConfig->BCLM[1] = (0x0A19 + WORD_FIELD_VALID_BIT);  ///< 10%
  GraphicsDxeConfig->BCLM[2] = (0x1433 + WORD_FIELD_VALID_BIT);  ///< 20%
  GraphicsDxeConfig->BCLM[3] = (0x1E4C + WORD_FIELD_VALID_BIT);  ///< 30%
  GraphicsDxeConfig->BCLM[4] = (0x2866 + WORD_FIELD_VALID_BIT);  ///< 40%
  GraphicsDxeConfig->BCLM[5] = (0x327F + WORD_FIELD_VALID_BIT);  ///< 50%
  GraphicsDxeConfig->BCLM[6] = (0x3C99 + WORD_FIELD_VALID_BIT);  ///< 60%
  GraphicsDxeConfig->BCLM[7] = (0x46B2 + WORD_FIELD_VALID_BIT);  ///< 70%
  GraphicsDxeConfig->BCLM[8] = (0x50CC + WORD_FIELD_VALID_BIT);  ///< 80%
  GraphicsDxeConfig->BCLM[9] = (0x5AE5 + WORD_FIELD_VALID_BIT);  ///< 90%
  GraphicsDxeConfig->BCLM[10] = (0x64FF + WORD_FIELD_VALID_BIT);  ///< 100%
}

static COMPONENT_BLOCK_ENTRY  mGraphicsDxeIpBlocks = {
  &gGraphicsDxeConfigGuid, sizeof (GRAPHICS_DXE_CONFIG), GRAPHICS_DXE_CONFIG_REVISION, LoadIgdDxeDefault};


/**
  Get DXE Graphics config block table total size.

  @retval     Size of DXE Graphics config block table
**/
UINT16
EFIAPI
GraphicsGetConfigBlockTotalSizeDxe (
  VOID
  )
{
  return mGraphicsDxeIpBlocks.Size;
}

/**
  GraphicsAddConfigBlocksDxe add all DXE Graphics config block.

  @param[in] ConfigBlockTableAddress    The pointer to add SA config blocks

  @retval EFI_SUCCESS                   The policy default is initialized.
  @retval EFI_OUT_OF_RESOURCES          Insufficient resources to create buffer
**/
EFI_STATUS
EFIAPI
GraphicsAddConfigBlocksDxe (
  IN VOID           *ConfigBlockTableAddress
  )
{
  EFI_STATUS  Status;
  Status = AddComponentConfigBlocks (ConfigBlockTableAddress, &mGraphicsDxeIpBlocks, 1);
  return Status;
}