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