/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (c) 2023, Linaro Limited
 */

#ifndef __QCOM_ICE_H__
#define __QCOM_ICE_H__

#include <linux/types.h>

struct qcom_ice;

enum qcom_ice_crypto_key_size {
    QCOM_ICE_CRYPTO_KEY_SIZE_INVALID    = 0x0,
    QCOM_ICE_CRYPTO_KEY_SIZE_128        = 0x1,
    QCOM_ICE_CRYPTO_KEY_SIZE_192        = 0x2,
    QCOM_ICE_CRYPTO_KEY_SIZE_256        = 0x3,
    QCOM_ICE_CRYPTO_KEY_SIZE_512        = 0x4,
};

enum qcom_ice_crypto_alg {
    QCOM_ICE_CRYPTO_ALG_AES_XTS        = 0x0,
    QCOM_ICE_CRYPTO_ALG_BITLOCKER_AES_CBC    = 0x1,
    QCOM_ICE_CRYPTO_ALG_AES_ECB        = 0x2,
    QCOM_ICE_CRYPTO_ALG_ESSIV_AES_CBC    = 0x3,
};

int qcom_ice_enable(struct qcom_ice *ice);
int qcom_ice_resume(struct qcom_ice *ice);
int qcom_ice_suspend(struct qcom_ice *ice);
int qcom_ice_program_key(struct qcom_ice *ice,
             u8 algorithm_id, u8 key_size,
             const u8 crypto_key[], u8 data_unit_size,
             int slot);
int qcom_ice_evict_key(struct qcom_ice *ice, int slot);
struct qcom_ice *of_qcom_ice_get(struct device *dev);
struct qcom_ice *devm_of_qcom_ice_get(struct device *dev);

#endif /* __QCOM_ICE_H__ */