1 /* 2 * STMicroelectronics pressures driver 3 * 4 * Copyright 2013 STMicroelectronics Inc. 5 * 6 * Denis Ciocca <denis.ciocca@st.com> 7 * v. 1.0.0 8 * Licensed under the GPL-2. 9 */ 10 11 #ifndef ST_PRESS_H 12 #define ST_PRESS_H 13 14 #include <linux/types.h> 15 #include <linux/iio/common/st_sensors.h> 16 17 enum st_press_type { 18 LPS001WP, 19 LPS25H, 20 LPS331AP, 21 LPS22HB, 22 ST_PRESS_MAX, 23 }; 24 25 #define LPS001WP_PRESS_DEV_NAME "lps001wp" 26 #define LPS25H_PRESS_DEV_NAME "lps25h" 27 #define LPS331AP_PRESS_DEV_NAME "lps331ap" 28 #define LPS22HB_PRESS_DEV_NAME "lps22hb" 29 30 /** 31 * struct st_sensors_platform_data - default press platform data 32 * @drdy_int_pin: default press DRDY is available on INT1 pin. 33 */ 34 static const struct st_sensors_platform_data default_press_pdata = { 35 .drdy_int_pin = 1, 36 }; 37 38 int st_press_common_probe(struct iio_dev *indio_dev); 39 void st_press_common_remove(struct iio_dev *indio_dev); 40 41 #ifdef CONFIG_IIO_BUFFER 42 int st_press_allocate_ring(struct iio_dev *indio_dev); 43 void st_press_deallocate_ring(struct iio_dev *indio_dev); 44 int st_press_trig_set_state(struct iio_trigger *trig, bool state); 45 #define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state) 46 #else /* CONFIG_IIO_BUFFER */ 47 static inline int st_press_allocate_ring(struct iio_dev *indio_dev) 48 { 49 return 0; 50 } 51 52 static inline void st_press_deallocate_ring(struct iio_dev *indio_dev) 53 { 54 } 55 #define ST_PRESS_TRIGGER_SET_STATE NULL 56 #endif /* CONFIG_IIO_BUFFER */ 57 58 #endif /* ST_PRESS_H */ 59