1 /* 2 * STMicroelectronics gyroscopes driver 3 * 4 * Copyright 2012-2013 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_GYRO_H 12 #define ST_GYRO_H 13 14 #include <linux/types.h> 15 #include <linux/iio/common/st_sensors.h> 16 17 #define L3G4200D_GYRO_DEV_NAME "l3g4200d" 18 #define LSM330D_GYRO_DEV_NAME "lsm330d_gyro" 19 #define LSM330DL_GYRO_DEV_NAME "lsm330dl_gyro" 20 #define LSM330DLC_GYRO_DEV_NAME "lsm330dlc_gyro" 21 #define L3GD20_GYRO_DEV_NAME "l3gd20" 22 #define L3GD20H_GYRO_DEV_NAME "l3gd20h" 23 #define L3G4IS_GYRO_DEV_NAME "l3g4is_ui" 24 #define LSM330_GYRO_DEV_NAME "lsm330_gyro" 25 26 /** 27 * struct st_sensors_platform_data - gyro platform data 28 * @drdy_int_pin: DRDY on gyros is available only on INT2 pin. 29 */ 30 static const struct st_sensors_platform_data gyro_pdata = { 31 .drdy_int_pin = 2, 32 }; 33 34 int st_gyro_common_probe(struct iio_dev *indio_dev, 35 struct st_sensors_platform_data *pdata); 36 void st_gyro_common_remove(struct iio_dev *indio_dev); 37 38 #ifdef CONFIG_IIO_BUFFER 39 int st_gyro_allocate_ring(struct iio_dev *indio_dev); 40 void st_gyro_deallocate_ring(struct iio_dev *indio_dev); 41 int st_gyro_trig_set_state(struct iio_trigger *trig, bool state); 42 #define ST_GYRO_TRIGGER_SET_STATE (&st_gyro_trig_set_state) 43 #else /* CONFIG_IIO_BUFFER */ 44 static inline int st_gyro_allocate_ring(struct iio_dev *indio_dev) 45 { 46 return 0; 47 } 48 static inline void st_gyro_deallocate_ring(struct iio_dev *indio_dev) 49 { 50 } 51 #define ST_GYRO_TRIGGER_SET_STATE NULL 52 #endif /* CONFIG_IIO_BUFFER */ 53 54 #endif /* ST_GYRO_H */ 55