1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * API for Atmel Secure Protocol Layers Improved Performances (SPLIP)
4  *
5  * Copyright (C) 2016 Atmel Corporation
6  *
7  * Author: Cyrille Pitchen <cyrille.pitchen@atmel.com>
8  *
9  * This driver is based on drivers/mtd/spi-nor/fsl-quadspi.c from Freescale.
10  */
11 
12 #ifndef __ATMEL_AUTHENC_H__
13 #define __ATMEL_AUTHENC_H__
14 
15 #if IS_ENABLED(CONFIG_CRYPTO_DEV_ATMEL_AUTHENC)
16 
17 #include <crypto/authenc.h>
18 #include <crypto/hash.h>
19 #include <crypto/sha.h>
20 #include "atmel-sha-regs.h"
21 
22 struct atmel_aes_dev;
23 typedef int (*atmel_aes_authenc_fn_t)(struct atmel_aes_dev *, int, bool);
24 
25 struct atmel_sha_authenc_ctx;
26 
27 bool atmel_sha_authenc_is_ready(void);
28 unsigned int atmel_sha_authenc_get_reqsize(void);
29 
30 struct atmel_sha_authenc_ctx *atmel_sha_authenc_spawn(unsigned long mode);
31 void atmel_sha_authenc_free(struct atmel_sha_authenc_ctx *auth);
32 int atmel_sha_authenc_setkey(struct atmel_sha_authenc_ctx *auth,
33 			     const u8 *key, unsigned int keylen, u32 flags);
34 
35 int atmel_sha_authenc_schedule(struct ahash_request *req,
36 			       struct atmel_sha_authenc_ctx *auth,
37 			       atmel_aes_authenc_fn_t cb,
38 			       struct atmel_aes_dev *dd);
39 int atmel_sha_authenc_init(struct ahash_request *req,
40 			   struct scatterlist *assoc, unsigned int assoclen,
41 			   unsigned int textlen,
42 			   atmel_aes_authenc_fn_t cb,
43 			   struct atmel_aes_dev *dd);
44 int atmel_sha_authenc_final(struct ahash_request *req,
45 			    u32 *digest, unsigned int digestlen,
46 			    atmel_aes_authenc_fn_t cb,
47 			    struct atmel_aes_dev *dd);
48 void  atmel_sha_authenc_abort(struct ahash_request *req);
49 
50 #endif /* CONFIG_CRYPTO_DEV_ATMEL_AUTHENC */
51 
52 #endif /* __ATMEL_AUTHENC_H__ */
53