xref: /openbmc/linux/include/soc/qcom/ice.h (revision 2afbf43a)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2023, Linaro Limited
4  */
5 
6 #ifndef __QCOM_ICE_H__
7 #define __QCOM_ICE_H__
8 
9 #include <linux/types.h>
10 
11 struct qcom_ice;
12 
13 enum qcom_ice_crypto_key_size {
14 	QCOM_ICE_CRYPTO_KEY_SIZE_INVALID	= 0x0,
15 	QCOM_ICE_CRYPTO_KEY_SIZE_128		= 0x1,
16 	QCOM_ICE_CRYPTO_KEY_SIZE_192		= 0x2,
17 	QCOM_ICE_CRYPTO_KEY_SIZE_256		= 0x3,
18 	QCOM_ICE_CRYPTO_KEY_SIZE_512		= 0x4,
19 };
20 
21 enum qcom_ice_crypto_alg {
22 	QCOM_ICE_CRYPTO_ALG_AES_XTS		= 0x0,
23 	QCOM_ICE_CRYPTO_ALG_BITLOCKER_AES_CBC	= 0x1,
24 	QCOM_ICE_CRYPTO_ALG_AES_ECB		= 0x2,
25 	QCOM_ICE_CRYPTO_ALG_ESSIV_AES_CBC	= 0x3,
26 };
27 
28 int qcom_ice_enable(struct qcom_ice *ice);
29 int qcom_ice_resume(struct qcom_ice *ice);
30 int qcom_ice_suspend(struct qcom_ice *ice);
31 int qcom_ice_program_key(struct qcom_ice *ice,
32 			 u8 algorithm_id, u8 key_size,
33 			 const u8 crypto_key[], u8 data_unit_size,
34 			 int slot);
35 int qcom_ice_evict_key(struct qcom_ice *ice, int slot);
36 struct qcom_ice *of_qcom_ice_get(struct device *dev);
37 #endif /* __QCOM_ICE_H__ */
38