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drivers
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iio
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gyro
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st_gyro.h

st_gyro.h 1.5 KB
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  1. /*
    2. 

  2.  * STMicroelectronics gyroscopes driver
    3. 

  3.  *
    4. 

  4.  * Copyright 2012-2013 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_GYRO_H
    12. 

  12. #define ST_GYRO_H
    13. 

  13. 

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

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

  16. 

  17. #define L3G4200D_GYRO_DEV_NAME		"l3g4200d"
    18. 

  18. #define LSM330D_GYRO_DEV_NAME		"lsm330d_gyro"
    19. 

  19. #define LSM330DL_GYRO_DEV_NAME		"lsm330dl_gyro"
    20. 

  20. #define LSM330DLC_GYRO_DEV_NAME		"lsm330dlc_gyro"
    21. 

  21. #define L3GD20_GYRO_DEV_NAME		"l3gd20"
    22. 

  22. #define L3GD20H_GYRO_DEV_NAME		"l3gd20h"
    23. 

  23. #define L3G4IS_GYRO_DEV_NAME		"l3g4is_ui"
    24. 

  24. #define LSM330_GYRO_DEV_NAME		"lsm330_gyro"
    25. 

  25. #define LSM9DS0_GYRO_DEV_NAME		"lsm9ds0_gyro"
    26. 

  26. 

  27. /**
    28. 

  28.  * struct st_sensors_platform_data - gyro platform data
    29. 

  29.  * @drdy_int_pin: DRDY on gyros is available only on INT2 pin.
    30. 

  30.  */
    31. 

  31. static const struct st_sensors_platform_data gyro_pdata = {
    32. 

  32. 	.drdy_int_pin = 2,
    33. 

  33. };
    34. 

  34. 

  35. int st_gyro_common_probe(struct iio_dev *indio_dev);
    36. 

  36. void st_gyro_common_remove(struct iio_dev *indio_dev);
    37. 

  37. 

  38. #ifdef CONFIG_IIO_BUFFER
    39. 

  39. int st_gyro_allocate_ring(struct iio_dev *indio_dev);
    40. 

  40. void st_gyro_deallocate_ring(struct iio_dev *indio_dev);
    41. 

  41. int st_gyro_trig_set_state(struct iio_trigger *trig, bool state);
    42. 

  42. #define ST_GYRO_TRIGGER_SET_STATE (&st_gyro_trig_set_state)
    43. 

  43. #else /* CONFIG_IIO_BUFFER */
    44. 

  44. static inline int st_gyro_allocate_ring(struct iio_dev *indio_dev)
    45. 

  45. {
    46. 

  46. 	return 0;
    47. 

  47. }
    48. 

  48. static inline void st_gyro_deallocate_ring(struct iio_dev *indio_dev)
    49. 

  49. {
    50. 

  50. }
    51. 

  51. #define ST_GYRO_TRIGGER_SET_STATE NULL
    52. 

  52. #endif /* CONFIG_IIO_BUFFER */
    53. 

  53. 

  54. #endif /* ST_GYRO_H */
    55. 

  55.