1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * STMicroelectronics pressures driver 4 * 5 * Copyright 2013 STMicroelectronics Inc. 6 * 7 * Denis Ciocca <denis.ciocca@st.com> 8 * v. 1.0.0 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 LPS33HW, 23 LPS35HW, 24 LPS22HH, 25 ST_PRESS_MAX, 26 }; 27 28 #define LPS001WP_PRESS_DEV_NAME "lps001wp" 29 #define LPS25H_PRESS_DEV_NAME "lps25h" 30 #define LPS331AP_PRESS_DEV_NAME "lps331ap" 31 #define LPS22HB_PRESS_DEV_NAME "lps22hb" 32 #define LPS33HW_PRESS_DEV_NAME "lps33hw" 33 #define LPS35HW_PRESS_DEV_NAME "lps35hw" 34 #define LPS22HH_PRESS_DEV_NAME "lps22hh" 35 36 /** 37 * struct st_sensors_platform_data - default press platform data 38 * @drdy_int_pin: default press DRDY is available on INT1 pin. 39 */ 40 static __maybe_unused const struct st_sensors_platform_data default_press_pdata = { 41 .drdy_int_pin = 1, 42 }; 43 44 #ifdef CONFIG_IIO_BUFFER 45 int st_press_allocate_ring(struct iio_dev *indio_dev); 46 void st_press_deallocate_ring(struct iio_dev *indio_dev); 47 int st_press_trig_set_state(struct iio_trigger *trig, bool state); 48 #define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state) 49 #else /* CONFIG_IIO_BUFFER */ 50 static inline int st_press_allocate_ring(struct iio_dev *indio_dev) 51 { 52 return 0; 53 } 54 55 static inline void st_press_deallocate_ring(struct iio_dev *indio_dev) 56 { 57 } 58 #define ST_PRESS_TRIGGER_SET_STATE NULL 59 #endif /* CONFIG_IIO_BUFFER */ 60 61 #endif /* ST_PRESS_H */ 62