/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * OMAP Crypto driver common support routines.
 *
 * Copyright (c) 2017 Texas Instruments Incorporated
 *   Tero Kristo <t-kristo@ti.com>
 */

#ifndef __CRYPTO_OMAP_CRYPTO_H
#define __CRYPTO_OMAP_CRYPTO_H

enum {
        OMAP_CRYPTO_NOT_ALIGNED = 1,
        OMAP_CRYPTO_BAD_DATA_LENGTH,
};

#define OMAP_CRYPTO_DATA_COPIED         BIT(0)
#define OMAP_CRYPTO_SG_COPIED           BIT(1)

#define OMAP_CRYPTO_COPY_MASK           0x3

#define OMAP_CRYPTO_COPY_DATA           BIT(0)
#define OMAP_CRYPTO_FORCE_COPY          BIT(1)
#define OMAP_CRYPTO_ZERO_BUF            BIT(2)
#define OMAP_CRYPTO_FORCE_SINGLE_ENTRY  BIT(3)

int omap_crypto_align_sg(struct scatterlist **sg, int total, int bs,
                         struct scatterlist *new_sg, u16 flags,
                         u8 flags_shift, unsigned long *dd_flags);
void omap_crypto_cleanup(struct scatterlist *sg, struct scatterlist *orig,
                         int offset, int len, u8 flags_shift,
                         unsigned long flags);

#endif