staging: comedi: change comedi_alloc_board_minor() to return pointer
[deliverable/linux.git] / drivers / staging / comedi / comedi_internal.h
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1#ifndef _COMEDI_INTERNAL_H
2#define _COMEDI_INTERNAL_H
3
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4#include <linux/types.h>
5
2434358a 6/*
4d7df821 7 * various internal comedi stuff
2434358a 8 */
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9int do_rangeinfo_ioctl(struct comedi_device *dev,
10 struct comedi_rangeinfo __user *arg);
7638ffcb 11struct comedi_device *comedi_alloc_board_minor(struct device *hardware_device);
3346b798 12void comedi_release_hardware_device(struct device *hardware_device);
f65cc544 13int comedi_alloc_subdevice_minor(struct comedi_subdevice *s);
e9ab1c2f 14void comedi_free_subdevice_minor(struct comedi_subdevice *s);
61c9fb0e 15
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16int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
17 unsigned long new_size);
61c9fb0e 18void comedi_buf_reset(struct comedi_async *async);
8bd650f9 19unsigned int comedi_buf_write_n_allocated(struct comedi_async *async);
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20
21extern unsigned int comedi_default_buf_size_kb;
22extern unsigned int comedi_default_buf_maxsize_kb;
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23
24/* drivers.c */
25
f286766e 26extern struct comedi_driver *comedi_drivers;
97ce84de 27
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28int insn_inval(struct comedi_device *, struct comedi_subdevice *,
29 struct comedi_insn *, unsigned int *);
30
31void comedi_device_detach(struct comedi_device *);
32int comedi_device_attach(struct comedi_device *, struct comedi_devconfig *);
33
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34#ifdef CONFIG_PROC_FS
35
36/* proc.c */
37
38void comedi_proc_init(void);
39void comedi_proc_cleanup(void);
40#else
41static inline void comedi_proc_init(void)
42{
43}
44static inline void comedi_proc_cleanup(void)
45{
46}
47#endif
48
97ce84de 49#endif /* _COMEDI_INTERNAL_H */
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