/** @file
  Provides an opportunity for ODM to get Eeprom Data.

;******************************************************************************
;* Copyright (c) 2012 - 2016, Insyde Software Corp. All Rights Reserved.
;*
;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
;* transmit, broadcast, present, recite, release, license or otherwise exploit
;* any part of this publication in any form, by any means, without the prior
;* written permission of Insyde Software Corporation.
;*
;******************************************************************************
*/

#include <L05Config.h>
#include <FlashRegionLayout.h>
#include <Library/FeatureLib/OemSvcSmbiosOverride.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/PcdLib.h>
#include <Library/FlashRegionLib.h>

/**
  Provides an opportunity for ODM get Eeprom Data.
  (Lenovo Sepcification: Lenovo China Minimum BIOS Spec 128.doc - CH.3.4.6 System Management BIOS (SMBIOS)
                         LENOVO_CHINA_EEPROMContents_and_Tools_Spsc 1.14 - All Chapter)

  @@@@@@  The MTM Data will effect Type1-Offset 19 Data.  @@@@@@
  if MTM existed (Data Example: 12345678), Type1-Offset 0x19 will be show LENOVO_MT_XXXXX
  if MTM Not exited (Data: 0x0),           Type1-Offset 0x19 will be show LENOVO_BI_IDEAPADXX

  @param  BufferPtr                     Points to VOID that specifies to EEPROM Data (EFI_L05_EEPROM_MAP)
                                        String must be ASCII.
  @param  EepromSize                    Input Eeprom length, define in Sepc

  @retval EFI_UNSUPPORTED               Returns unsupported by uesed default rule (Load eerpom from default data).
  @retval EFI_MEDIA_CHANGED             Get Eeprom Data success.
**/
EFI_STATUS
OemSvcGetEepromData (
  IN OUT  VOID                          *BufferPtr,
  IN      UINT16                        EepromSize
  )
{
  /*++
    Todo:
      Add project specific code in here.
  //
  // ODM could use EC or other method to access EEPROM.
  // If the EEPROM region is put in ROM, you may refer to this sample.
  //
  // Note:
  // The UUID in EEPROM is following SMBIOS SPEC :
  // The UUID {00112233-4455-6677-8899-AABBCCDDEEFF} would thus be represented as:
  // 33 22 11 00 55 44 77 66 88 99 AA BB CC DD EE FF => In EEEPROM Type
  // If your UUID in EEPROM wasn't following, please convert it in this function.
  //
  --*/

////
//// BUGBUG:
////
//// The Memeory structure will follow definition EFI_L05_EEPROM_MAP in L05Config.h
//// !!!!!!  Please follow EFI_L05_EEPROM_MAP structure to set data !!!!!!
//// !!!!!!  Sructure mapping definition in Spec LENOVO_CHINA_EEPROMContents_and_Tools_Spsc 1.14 ch.3.7 !!!!!!
//
//// Sample code :
//  EFI_L05_EEPROM_MAP *L05EerpomBase;
//  L05EerpomBase = (EFI_L05_EEPROM_MAP *) (UINTN) FdmGetNAtAddr (&gL05H2OFlashMapRegionEepromGuid, 1);
////
////  Please set data following EFI_L05_EEPROM_MAP structure
////  Ex: Set ProductName data
//  gBS->CopyMem(L05EerpomBase->ProductName, AnotherEEPROM->ProductName, L05_EEPROM_PRODUCT_NAME_LENGTH);
//  gBS->CopyMem (BufferPtr, (VOID *)L05EerpomBase, EepromSize);
//  return EFI_MEDIA_CHANGED;

  return EFI_UNSUPPORTED;
}