| 1 |
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| 2 | #ifndef _COMEDI_INTERNAL_H
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| 3 | #define _COMEDI_INTERNAL_H
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| 4 |
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| 5 | #include <linux/compiler.h>
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| 6 | #include <linux/types.h>
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| 7 |
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| 8 | |
| 9 | * various internal comedi stuff
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| 10 |
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| 11 |
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| 12 | struct comedi_buf_map;
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| 13 | struct comedi_devconfig;
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| 14 | struct comedi_device;
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| 15 | struct comedi_insn;
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| 16 | struct comedi_rangeinfo;
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| 17 | struct comedi_subdevice;
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| 18 | struct device;
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| 19 |
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| 20 | int do_rangeinfo_ioctl(struct comedi_device *dev,
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| 21 | struct comedi_rangeinfo *it);
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| 22 | struct comedi_device *comedi_alloc_board_minor(struct device *hardware_device);
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| 23 | void comedi_release_hardware_device(struct device *hardware_device);
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| 24 | int comedi_alloc_subdevice_minor(struct comedi_subdevice *s);
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| 25 | void comedi_free_subdevice_minor(struct comedi_subdevice *s);
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| 26 |
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| 27 | int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
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| 28 | unsigned long new_size);
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| 29 | void comedi_buf_reset(struct comedi_subdevice *s);
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| 30 | bool comedi_buf_is_mmapped(struct comedi_subdevice *s);
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| 31 | void comedi_buf_map_get(struct comedi_buf_map *bm);
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| 32 | int comedi_buf_map_put(struct comedi_buf_map *bm);
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| 33 | int comedi_buf_map_access(struct comedi_buf_map *bm, unsigned long offset,
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| 34 | void *buf, int len, int write);
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| 35 | struct comedi_buf_map *
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| 36 | comedi_buf_map_from_subdev_get(struct comedi_subdevice *s);
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| 37 | unsigned int comedi_buf_write_n_available(struct comedi_subdevice *s);
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| 38 | unsigned int comedi_buf_write_n_allocated(struct comedi_subdevice *s);
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| 39 | unsigned int _comedi_buf_write_alloc(struct comedi_subdevice *s,
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| 40 | unsigned int nbytes);
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| 41 | unsigned int _comedi_buf_write_free(struct comedi_subdevice *s,
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| 42 | unsigned int nbytes);
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| 43 | unsigned int _comedi_buf_read_n_available(struct comedi_subdevice *s);
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| 44 | unsigned int _comedi_buf_read_alloc(struct comedi_subdevice *s,
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| 45 | unsigned int nbytes);
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| 46 | unsigned int _comedi_buf_read_free(struct comedi_subdevice *s,
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| 47 | unsigned int nbytes);
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| 48 | void _comedi_inc_scan_progress(struct comedi_subdevice *s,
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| 49 | unsigned int num_bytes);
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| 50 | void _comedi_event(struct comedi_device *dev, struct comedi_subdevice *s);
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| 51 | void comedi_device_cancel_all(struct comedi_device *dev);
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| 52 | bool comedi_can_auto_free_spriv(struct comedi_subdevice *s);
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| 53 |
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| 54 | extern unsigned int comedi_default_buf_size_kb;
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| 55 | extern unsigned int comedi_default_buf_maxsize_kb;
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| 56 |
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| 57 |
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| 58 |
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| 59 | extern struct comedi_driver *comedi_drivers;
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| 60 | extern struct mutex comedi_drivers_list_lock;
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| 61 |
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| 62 | int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s,
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| 63 | struct comedi_insn *insn, unsigned int *data);
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| 64 |
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| 65 | void comedi_device_detach_locked(struct comedi_device *dev);
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| 66 | void comedi_device_detach(struct comedi_device *dev);
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| 67 | int comedi_device_attach(struct comedi_device *dev,
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| 68 | struct comedi_devconfig *it);
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| 69 |
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| 70 | #ifdef CONFIG_PROC_FS
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| 71 |
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| 72 |
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| 73 |
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| 74 | void comedi_proc_init(void);
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| 75 | void comedi_proc_cleanup(void);
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| 76 | #else
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| 77 | static inline void comedi_proc_init(void)
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| 78 | {
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| 79 | }
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| 80 |
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| 81 | static inline void comedi_proc_cleanup(void)
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| 82 | {
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| 83 | }
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| 84 | #endif
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| 85 |
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| 86 | #endif
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