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 L3G4IS_GYRO_DEV_NAME "l3g4is_ui" 23 #define LSM330_GYRO_DEV_NAME "lsm330_gyro" 24 25 /** 26 * struct st_sensors_platform_data - gyro platform data 27 * @drdy_int_pin: DRDY on gyros is available only on INT2 pin. 28 */ 29 static const struct st_sensors_platform_data gyro_pdata = { 30 .drdy_int_pin = 2, 31 }; 32 33 int st_gyro_common_probe(struct iio_dev *indio_dev, 34 struct st_sensors_platform_data *pdata); 35 void st_gyro_common_remove(struct iio_dev *indio_dev); 36 37 #ifdef CONFIG_IIO_BUFFER 38 int st_gyro_allocate_ring(struct iio_dev *indio_dev); 39 void st_gyro_deallocate_ring(struct iio_dev *indio_dev); 40 int st_gyro_trig_set_state(struct iio_trigger *trig, bool state); 41 #define ST_GYRO_TRIGGER_SET_STATE (&st_gyro_trig_set_state) 42 #else /* CONFIG_IIO_BUFFER */ 43 static inline int st_gyro_allocate_ring(struct iio_dev *indio_dev) 44 { 45 return 0; 46 } 47 static inline void st_gyro_deallocate_ring(struct iio_dev *indio_dev) 48 { 49 } 50 #define ST_GYRO_TRIGGER_SET_STATE NULL 51 #endif /* CONFIG_IIO_BUFFER */ 52 53 #endif /* ST_GYRO_H */ 54