1 /*
2  * API for Atmel Secure Protocol Layers Improved Performances (SPLIP)
3  *
4  * Copyright (C) 2016 Atmel Corporation
5  *
6  * Author: Cyrille Pitchen <cyrille.pitchen@atmel.com>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
15  * more details.
16  *
17  * You should have received a copy of the GNU General Public License along with
18  * this program.  If not, see <http://www.gnu.org/licenses/>.
19  *
20  * This driver is based on drivers/mtd/spi-nor/fsl-quadspi.c from Freescale.
21  */
22 
23 #ifndef __ATMEL_AUTHENC_H__
24 #define __ATMEL_AUTHENC_H__
25 
26 #ifdef CONFIG_CRYPTO_DEV_ATMEL_AUTHENC
27 
28 #include <crypto/authenc.h>
29 #include <crypto/hash.h>
30 #include <crypto/sha.h>
31 #include "atmel-sha-regs.h"
32 
33 struct atmel_aes_dev;
34 typedef int (*atmel_aes_authenc_fn_t)(struct atmel_aes_dev *, int, bool);
35 
36 struct atmel_sha_authenc_ctx;
37 
38 bool atmel_sha_authenc_is_ready(void);
39 unsigned int atmel_sha_authenc_get_reqsize(void);
40 
41 struct atmel_sha_authenc_ctx *atmel_sha_authenc_spawn(unsigned long mode);
42 void atmel_sha_authenc_free(struct atmel_sha_authenc_ctx *auth);
43 int atmel_sha_authenc_setkey(struct atmel_sha_authenc_ctx *auth,
44 			     const u8 *key, unsigned int keylen,
45 			     u32 *flags);
46 
47 int atmel_sha_authenc_schedule(struct ahash_request *req,
48 			       struct atmel_sha_authenc_ctx *auth,
49 			       atmel_aes_authenc_fn_t cb,
50 			       struct atmel_aes_dev *dd);
51 int atmel_sha_authenc_init(struct ahash_request *req,
52 			   struct scatterlist *assoc, unsigned int assoclen,
53 			   unsigned int textlen,
54 			   atmel_aes_authenc_fn_t cb,
55 			   struct atmel_aes_dev *dd);
56 int atmel_sha_authenc_final(struct ahash_request *req,
57 			    u32 *digest, unsigned int digestlen,
58 			    atmel_aes_authenc_fn_t cb,
59 			    struct atmel_aes_dev *dd);
60 void  atmel_sha_authenc_abort(struct ahash_request *req);
61 
62 #endif /* CONFIG_CRYPTO_DEV_ATMEL_AUTHENC */
63 
64 #endif /* __ATMEL_AUTHENC_H__ */
65