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