/** @file
  The header file includes the common header files, defines
  internal structure and functions used by SpiFlashCommonLib.

Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#ifndef __SPI_FLASH_COMMON_LIB_H__
#define __SPI_FLASH_COMMON_LIB_H__

#include <Uefi.h>
#include <Library/BaseLib.h>
#include <Library/PcdLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiBootServicesTableLib.h>

#define SECTOR_SIZE_4KB   0x1000      // Common 4kBytes sector size
/**
  Enable block protection on the Serial Flash device.

  @retval     EFI_SUCCESS       Opertion is successful.
  @retval     EFI_DEVICE_ERROR  If there is any device errors.

**/
EFI_STATUS
EFIAPI
SpiFlashLock (
  VOID
  );

/**
  Read NumBytes bytes of data from the address specified by
  PAddress into Buffer.

  @param[in]      Address       The starting physical address of the read.
  @param[in,out]  NumBytes      On input, the number of bytes to read. On output, the number
                                of bytes actually read.
  @param[out]     Buffer        The destination data buffer for the read.

  @retval         EFI_SUCCESS       Opertion is successful.
  @retval         EFI_DEVICE_ERROR  If there is any device errors.

**/
EFI_STATUS
EFIAPI
SpiFlashRead (
  IN     UINTN                        Address,
  IN OUT UINT32                       *NumBytes,
     OUT UINT8                        *Buffer
  );

/**
  Write NumBytes bytes of data from Buffer to the address specified by
  PAddresss.

  @param[in]      Address         The starting physical address of the write.
  @param[in,out]  NumBytes        On input, the number of bytes to write. On output,
                                  the actual number of bytes written.
  @param[in]      Buffer          The source data buffer for the write.

  @retval         EFI_SUCCESS       Opertion is successful.
  @retval         EFI_DEVICE_ERROR  If there is any device errors.

**/
EFI_STATUS
EFIAPI
SpiFlashWrite (
  IN     UINTN                      Address,
  IN OUT UINT32                     *NumBytes,
  IN     UINT8                      *Buffer
  );

/**
  Erase the block starting at Address.

  @param[in]  Address         The starting physical address of the block to be erased.
                              This library assume that caller garantee that the PAddress
                              is at the starting address of this block.
  @param[in]  NumBytes        On input, the number of bytes of the logical block to be erased.
                              On output, the actual number of bytes erased.

  @retval     EFI_SUCCESS.      Opertion is successful.
  @retval     EFI_DEVICE_ERROR  If there is any device errors.

**/
EFI_STATUS
EFIAPI
SpiFlashBlockErase (
  IN    UINTN                     Address,
  IN    UINTN                     *NumBytes
  );

#endif
