/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * (C) Copyright 2009
 * Marvell Semiconductor <www.marvell.com>
 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
 */

#ifndef _UBOOT_CRC_H
#define _UBOOT_CRC_H

// #include <compiler.h> /* 'uint*' definitions */
typedef unsigned int	uint;

/**
 * crc32 - Calculate the CRC32 for a block of data
 *
 * @crc: Input crc to chain from a previous calculution (use 0 to start a new
 *	calculation)
 * @buf: Bytes to checksum
 * @len: Number of bytes to checksum
 * @return checksum value
 */
uint32_t crc32(uint32_t crc, const unsigned char *buf, uint len);

/**
 * crc32_no_comp - Calculate the CRC32 for a block of data (no one's compliment)
 *
 * This version uses a different algorithm which doesn't use one's compliment.
 * JFFS2 (and other things?) use this.
 *
 * @crc: Input crc to chain from a previous calculution (use 0 to start a new
 *	calculation)
 * @buf: Bytes to checksum
 * @len: Number of bytes to checksum
 * @return checksum value
 */
uint32_t crc32_no_comp(uint32_t crc, const unsigned char *buf, uint len);

#endif /* _UBOOT_CRC_H */