1#ifndef _COMEDI_INTERNAL_H 2#define _COMEDI_INTERNAL_H 3 4#include <linux/compiler.h> 5#include <linux/types.h> 6 7/* 8 * various internal comedi stuff 9 */ 10 11struct comedi_buf_map; 12struct comedi_devconfig; 13struct comedi_device; 14struct comedi_insn; 15struct comedi_rangeinfo; 16struct comedi_subdevice; 17struct device; 18 19int do_rangeinfo_ioctl(struct comedi_device *dev, 20 struct comedi_rangeinfo __user *arg); 21struct comedi_device *comedi_alloc_board_minor(struct device *hardware_device); 22void comedi_release_hardware_device(struct device *hardware_device); 23int comedi_alloc_subdevice_minor(struct comedi_subdevice *s); 24void comedi_free_subdevice_minor(struct comedi_subdevice *s); 25 26int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s, 27 unsigned long new_size); 28void comedi_buf_reset(struct comedi_subdevice *s); 29bool comedi_buf_is_mmapped(struct comedi_subdevice *s); 30void comedi_buf_map_get(struct comedi_buf_map *bm); 31int comedi_buf_map_put(struct comedi_buf_map *bm); 32struct comedi_buf_map *comedi_buf_map_from_subdev_get( 33 struct comedi_subdevice *s); 34unsigned int comedi_buf_write_n_allocated(struct comedi_subdevice *s); 35void comedi_device_cancel_all(struct comedi_device *dev); 36 37extern unsigned int comedi_default_buf_size_kb; 38extern unsigned int comedi_default_buf_maxsize_kb; 39 40/* drivers.c */ 41 42extern struct comedi_driver *comedi_drivers; 43extern struct mutex comedi_drivers_list_lock; 44 45int insn_inval(struct comedi_device *, struct comedi_subdevice *, 46 struct comedi_insn *, unsigned int *); 47 48void comedi_device_detach(struct comedi_device *); 49int comedi_device_attach(struct comedi_device *, struct comedi_devconfig *); 50 51#ifdef CONFIG_PROC_FS 52 53/* proc.c */ 54 55void comedi_proc_init(void); 56void comedi_proc_cleanup(void); 57#else 58static inline void comedi_proc_init(void) 59{ 60} 61 62static inline void comedi_proc_cleanup(void) 63{ 64} 65#endif 66 67#endif /* _COMEDI_INTERNAL_H */ 68