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linux-phytium
/
drivers
/
iio
/
pressure
/
st_pressure.h

st_pressure.h 1.5 KB
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  1. /*
    2. 

  2.  * STMicroelectronics pressures driver
    3. 

  3.  *
    4. 

  4.  * Copyright 2013 STMicroelectronics Inc.
    5. 

  5.  *
    6. 

  6.  * Denis Ciocca <denis.ciocca@st.com>
    7. 

  7.  * v. 1.0.0
    8. 

  8.  * Licensed under the GPL-2.
    9. 

  9.  */
    10. 

  10. 

  11. #ifndef ST_PRESS_H
    12. 

  12. #define ST_PRESS_H
    13. 

  13. 

  14. #include <linux/types.h>
    15. 

  15. #include <linux/iio/common/st_sensors.h>
    16. 

  16. 

  17. enum st_press_type {
    18. 

  18. 	LPS001WP,
    19. 

  19. 	LPS25H,
    20. 

  20. 	LPS331AP,
    21. 

  21. 	LPS22HB,
    22. 

  22. 	LPS33HW,
    23. 

  23. 	LPS35HW,
    24. 

  24. 	ST_PRESS_MAX,
    25. 

  25. };
    26. 

  26. 

  27. #define LPS001WP_PRESS_DEV_NAME		"lps001wp"
    28. 

  28. #define LPS25H_PRESS_DEV_NAME		"lps25h"
    29. 

  29. #define LPS331AP_PRESS_DEV_NAME		"lps331ap"
    30. 

  30. #define LPS22HB_PRESS_DEV_NAME		"lps22hb"
    31. 

  31. #define LPS33HW_PRESS_DEV_NAME		"lps33hw"
    32. 

  32. #define LPS35HW_PRESS_DEV_NAME		"lps35hw"
    33. 

  33. 

  34. /**
    35. 

  35.  * struct st_sensors_platform_data - default press platform data
    36. 

  36.  * @drdy_int_pin: default press DRDY is available on INT1 pin.
    37. 

  37.  */
    38. 

  38. static const struct st_sensors_platform_data default_press_pdata = {
    39. 

  39. 	.drdy_int_pin = 1,
    40. 

  40. };
    41. 

  41. 

  42. int st_press_common_probe(struct iio_dev *indio_dev);
    43. 

  43. void st_press_common_remove(struct iio_dev *indio_dev);
    44. 

  44. 

  45. #ifdef CONFIG_IIO_BUFFER
    46. 

  46. int st_press_allocate_ring(struct iio_dev *indio_dev);
    47. 

  47. void st_press_deallocate_ring(struct iio_dev *indio_dev);
    48. 

  48. int st_press_trig_set_state(struct iio_trigger *trig, bool state);
    49. 

  49. #define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state)
    50. 

  50. #else /* CONFIG_IIO_BUFFER */
    51. 

  51. static inline int st_press_allocate_ring(struct iio_dev *indio_dev)
    52. 

  52. {
    53. 

  53. 	return 0;
    54. 

  54. }
    55. 

  55. 

  56. static inline void st_press_deallocate_ring(struct iio_dev *indio_dev)
    57. 

  57. {
    58. 

  58. }
    59. 

  59. #define ST_PRESS_TRIGGER_SET_STATE NULL
    60. 

  60. #endif /* CONFIG_IIO_BUFFER */
    61. 

  61. 

  62. #endif /* ST_PRESS_H */
    63. 

  63.