otp.h

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/*
 * Copyright (c) 2025 STMicroelectronics
 * SPDX-License-Identifier: Apache-2.0
 */

 
#ifndef ZEPHYR_INCLUDE_DRIVERS_OTP_H_
#define ZEPHYR_INCLUDE_DRIVERS_OTP_H_

 
#include <stddef.h>
#include <sys/types.h>
#include <zephyr/device.h>
#include <zephyr/types.h>
 
#ifdef __cplusplus
extern "C" {
#endif


typedef int (*otp_api_read)(const struct device *dev, off_t offset, void *data, size_t len);

typedef int (*otp_api_program)(const struct device *dev, off_t offset, const void *data,
                               size_t len);
 
__subsystem struct otp_driver_api {
        otp_api_read read;
#if defined(CONFIG_OTP_PROGRAM) || defined(__DOXYGEN__)
        otp_api_program program;
#endif
};


__syscall int otp_read(const struct device *dev, off_t offset, void *data, size_t len);
 
static inline int z_impl_otp_read(const struct device *dev, off_t offset, void *data, size_t len)
{
        return DEVICE_API_GET(otp, dev)->read(dev, offset, data, len);
}
 
#if defined(CONFIG_OTP_PROGRAM) || defined(__DOXYGEN__)
__syscall int otp_program(const struct device *dev, off_t offset, const void *data, size_t len);
 
static inline int z_impl_otp_program(const struct device *dev, off_t offset, const void *data,
                                      size_t len)
{
        const struct otp_driver_api *api = DEVICE_API_GET(otp, dev);
 
        if (api->program == NULL) {
                return -ENOSYS;
        }
 
        return api->program(dev, offset, data, len);
}
#endif
 
#ifdef __cplusplus
}
#endif

 
#include <zephyr/syscalls/otp.h>
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_OTP_H_ */