eeprom.h

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/*
 * Copyright (c) 2019 Vestas Wind Systems A/S
 *
 * Heavily based on drivers/flash.h which is:
 * Copyright (c) 2017 Nordic Semiconductor ASA
 * Copyright (c) 2016 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DRIVERS_EEPROM_H_
#define ZEPHYR_INCLUDE_DRIVERS_EEPROM_H_
 
#include <zephyr/types.h>
#include <stddef.h>
#include <sys/types.h>
#include <zephyr/device.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef int (*eeprom_api_read)(const struct device *dev, off_t offset,
                               void *data,
                               size_t len);
 
typedef int (*eeprom_api_write)(const struct device *dev, off_t offset,
                                const void *data, size_t len);
 
typedef size_t (*eeprom_api_size)(const struct device *dev);
 
__subsystem struct eeprom_driver_api {
        eeprom_api_read read;
        eeprom_api_write write;
        eeprom_api_size size;
};
 
__syscall int eeprom_read(const struct device *dev, off_t offset, void *data,
                          size_t len);
 
static inline int z_impl_eeprom_read(const struct device *dev, off_t offset,
                                     void *data, size_t len)
{
        const struct eeprom_driver_api *api =
                (const struct eeprom_driver_api *)dev->api;
 
        return api->read(dev, offset, data, len);
}
 
__syscall int eeprom_write(const struct device *dev, off_t offset,
                           const void *data,
                           size_t len);
 
static inline int z_impl_eeprom_write(const struct device *dev, off_t offset,
                                      const void *data, size_t len)
{
        const struct eeprom_driver_api *api =
                (const struct eeprom_driver_api *)dev->api;
 
        return api->write(dev, offset, data, len);
}
 
__syscall size_t eeprom_get_size(const struct device *dev);
 
static inline size_t z_impl_eeprom_get_size(const struct device *dev)
{
        const struct eeprom_driver_api *api =
                (const struct eeprom_driver_api *)dev->api;
 
        return api->size(dev);
}
 
#ifdef __cplusplus
}
#endif
 
#include <zephyr/syscalls/eeprom.h>
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_EEPROM_H_ */