74 строки
2.1 KiB
C
74 строки
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _COMEDI_INTERNAL_H
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#define _COMEDI_INTERNAL_H
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#include <linux/compiler.h>
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#include <linux/types.h>
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/*
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* various internal comedi stuff
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*/
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struct comedi_buf_map;
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struct comedi_devconfig;
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struct comedi_device;
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struct comedi_insn;
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struct comedi_rangeinfo;
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struct comedi_subdevice;
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struct device;
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int do_rangeinfo_ioctl(struct comedi_device *dev,
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struct comedi_rangeinfo *it);
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struct comedi_device *comedi_alloc_board_minor(struct device *hardware_device);
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void comedi_release_hardware_device(struct device *hardware_device);
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int comedi_alloc_subdevice_minor(struct comedi_subdevice *s);
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void comedi_free_subdevice_minor(struct comedi_subdevice *s);
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int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
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unsigned long new_size);
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void comedi_buf_reset(struct comedi_subdevice *s);
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bool comedi_buf_is_mmapped(struct comedi_subdevice *s);
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void comedi_buf_map_get(struct comedi_buf_map *bm);
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int comedi_buf_map_put(struct comedi_buf_map *bm);
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int comedi_buf_map_access(struct comedi_buf_map *bm, unsigned long offset,
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void *buf, int len, int write);
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struct comedi_buf_map *
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comedi_buf_map_from_subdev_get(struct comedi_subdevice *s);
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unsigned int comedi_buf_write_n_available(struct comedi_subdevice *s);
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unsigned int comedi_buf_write_n_allocated(struct comedi_subdevice *s);
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void comedi_device_cancel_all(struct comedi_device *dev);
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bool comedi_can_auto_free_spriv(struct comedi_subdevice *s);
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extern unsigned int comedi_default_buf_size_kb;
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extern unsigned int comedi_default_buf_maxsize_kb;
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/* drivers.c */
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extern struct comedi_driver *comedi_drivers;
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extern struct mutex comedi_drivers_list_lock;
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int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s,
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struct comedi_insn *insn, unsigned int *data);
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void comedi_device_detach(struct comedi_device *dev);
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int comedi_device_attach(struct comedi_device *dev,
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struct comedi_devconfig *it);
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#ifdef CONFIG_PROC_FS
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/* proc.c */
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void comedi_proc_init(void);
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void comedi_proc_cleanup(void);
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#else
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static inline void comedi_proc_init(void)
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{
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}
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static inline void comedi_proc_cleanup(void)
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{
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}
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#endif
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#endif /* _COMEDI_INTERNAL_H */
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