rt-thread/components/drivers/include/core/driver.h

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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-04-12 ErikChan the first version
*/
#ifndef __DRIVER_H__
#define __DRIVER_H__
#include <drivers/core/device.h>
struct rt_driver
{
struct rt_bus *bus;
rt_list_t node;
#ifdef RT_USING_DEVICE_OPS
const struct rt_device_ops *dev_ops;
#else
/* common device interface */
rt_err_t (*init) (rt_device_t dev);
rt_err_t (*open) (rt_device_t dev, rt_uint16_t oflag);
rt_err_t (*close) (rt_device_t dev);
rt_ssize_t (*read) (rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size);
rt_ssize_t (*write) (rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size);
rt_err_t (*control)(rt_device_t dev, int cmd, void *args);
#endif
const struct filesystem_ops *fops;
const char *name;
int (*probe)(struct rt_device *dev);
int (*remove)(struct rt_device *dev);
void *priv;
};
int rt_driver_probe_device(struct rt_driver *drv, struct rt_device *dev);
rt_err_t rt_driver_register(rt_driver_t drv);
rt_err_t rt_driver_unregister(rt_driver_t drv);
#define RT_DRIVER_EXPORT(driver, bus_name, mode) \
static int ___##driver##_register(void) \
{ \
rt_##bus_name##_driver_register(&driver); \
return 0; \
} \
INIT_DEVICE_EXPORT(___##driver##_register); \
#endif /* __DRIVER_H__ */