drivers/staging/comedi/comedi_internal.h

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