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