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ark1668ed-bsp
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linux
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drivers
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comedi
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comedi_internal.h

comedi_internal.h 2.2 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. #ifndef _COMEDI_INTERNAL_H
    3. 

  3. #define _COMEDI_INTERNAL_H
    4. 

  4. 

  5. #include <linux/compiler.h>
    6. 

  6. #include <linux/types.h>
    7. 

  7. 

  8. /*
    9. 

  9.  * various internal comedi stuff
    10. 

  10.  */
    11. 

  11. 

  12. struct comedi_buf_map;
    13. 

  13. struct comedi_devconfig;
    14. 

  14. struct comedi_device;
    15. 

  15. struct comedi_insn;
    16. 

  16. struct comedi_rangeinfo;
    17. 

  17. struct comedi_subdevice;
    18. 

  18. struct device;
    19. 

  19. 

  20. int do_rangeinfo_ioctl(struct comedi_device *dev,
    21. 

  21. 		       struct comedi_rangeinfo *it);
    22. 

  22. struct comedi_device *comedi_alloc_board_minor(struct device *hardware_device);
    23. 

  23. void comedi_release_hardware_device(struct device *hardware_device);
    24. 

  24. int comedi_alloc_subdevice_minor(struct comedi_subdevice *s);
    25. 

  25. void comedi_free_subdevice_minor(struct comedi_subdevice *s);
    26. 

  26. 

  27. int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
    28. 

  28. 		     unsigned long new_size);
    29. 

  29. void comedi_buf_reset(struct comedi_subdevice *s);
    30. 

  30. bool comedi_buf_is_mmapped(struct comedi_subdevice *s);
    31. 

  31. void comedi_buf_map_get(struct comedi_buf_map *bm);
    32. 

  32. int comedi_buf_map_put(struct comedi_buf_map *bm);
    33. 

  33. int comedi_buf_map_access(struct comedi_buf_map *bm, unsigned long offset,
    34. 

  34. 			  void *buf, int len, int write);
    35. 

  35. struct comedi_buf_map *
    36. 

  36. comedi_buf_map_from_subdev_get(struct comedi_subdevice *s);
    37. 

  37. unsigned int comedi_buf_write_n_available(struct comedi_subdevice *s);
    38. 

  38. unsigned int comedi_buf_write_n_allocated(struct comedi_subdevice *s);
    39. 

  39. void comedi_device_cancel_all(struct comedi_device *dev);
    40. 

  40. bool comedi_can_auto_free_spriv(struct comedi_subdevice *s);
    41. 

  41. 

  42. extern unsigned int comedi_default_buf_size_kb;
    43. 

  43. extern unsigned int comedi_default_buf_maxsize_kb;
    44. 

  44. 

  45. /* drivers.c */
    46. 

  46. 

  47. extern struct comedi_driver *comedi_drivers;
    48. 

  48. extern struct mutex comedi_drivers_list_lock;
    49. 

  49. 

  50. int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s,
    51. 

  51. 	       struct comedi_insn *insn, unsigned int *data);
    52. 

  52. 

  53. void comedi_device_detach_locked(struct comedi_device *dev);
    54. 

  54. void comedi_device_detach(struct comedi_device *dev);
    55. 

  55. int comedi_device_attach(struct comedi_device *dev,
    56. 

  56. 			 struct comedi_devconfig *it);
    57. 

  57. 

  58. #ifdef CONFIG_PROC_FS
    59. 

  59. 

  60. /* proc.c */
    61. 

  61. 

  62. void comedi_proc_init(void);
    63. 

  63. void comedi_proc_cleanup(void);
    64. 

  64. #else
    65. 

  65. static inline void comedi_proc_init(void)
    66. 

  66. {
    67. 

  67. }
    68. 

  68. 

  69. static inline void comedi_proc_cleanup(void)
    70. 

  70. {
    71. 

  71. }
    72. 

  72. #endif
    73. 

  73. 

  74. #endif /* _COMEDI_INTERNAL_H */
    75.