1#ifndef _COMEDI_INTERNAL_H
2#define _COMEDI_INTERNAL_H
3
4#include <linux/types.h>
5
6/*
7 * various internal comedi stuff
8 */
9int do_rangeinfo_ioctl(struct comedi_device *dev,
10		       struct comedi_rangeinfo __user *arg);
11struct comedi_device *comedi_alloc_board_minor(struct device *hardware_device);
12void comedi_release_hardware_device(struct device *hardware_device);
13int comedi_alloc_subdevice_minor(struct comedi_subdevice *s);
14void comedi_free_subdevice_minor(struct comedi_subdevice *s);
15
16int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
17		     unsigned long new_size);
18void comedi_buf_reset(struct comedi_subdevice *s);
19bool comedi_buf_is_mmapped(struct comedi_subdevice *s);
20void comedi_buf_map_get(struct comedi_buf_map *bm);
21int comedi_buf_map_put(struct comedi_buf_map *bm);
22struct comedi_buf_map *comedi_buf_map_from_subdev_get(
23		struct comedi_subdevice *s);
24unsigned int comedi_buf_write_n_allocated(struct comedi_subdevice *s);
25void comedi_device_cancel_all(struct comedi_device *dev);
26
27extern unsigned int comedi_default_buf_size_kb;
28extern unsigned int comedi_default_buf_maxsize_kb;
29
30/* drivers.c */
31
32extern struct comedi_driver *comedi_drivers;
33extern struct mutex comedi_drivers_list_lock;
34
35int insn_inval(struct comedi_device *, struct comedi_subdevice *,
36	       struct comedi_insn *, unsigned int *);
37
38void comedi_device_detach(struct comedi_device *);
39int comedi_device_attach(struct comedi_device *, struct comedi_devconfig *);
40
41#ifdef CONFIG_PROC_FS
42
43/* proc.c */
44
45void comedi_proc_init(void);
46void comedi_proc_cleanup(void);
47#else
48static inline void comedi_proc_init(void)
49{
50}
51
52static inline void comedi_proc_cleanup(void)
53{
54}
55#endif
56
57#endif /* _COMEDI_INTERNAL_H */
58