diff options
Diffstat (limited to 'drivers/iio/accel/adxl313.h')
| -rw-r--r-- | drivers/iio/accel/adxl313.h | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/drivers/iio/accel/adxl313.h b/drivers/iio/accel/adxl313.h index 4415f2fc07e1..72f624af4686 100644 --- a/drivers/iio/accel/adxl313.h +++ b/drivers/iio/accel/adxl313.h @@ -8,6 +8,8 @@ #ifndef _ADXL313_H_ #define _ADXL313_H_ +#include <linux/iio/iio.h> + /* ADXL313 register definitions */ #define ADXL313_REG_DEVID0 0x00 #define ADXL313_REG_DEVID1 0x01 @@ -26,6 +28,7 @@ #define ADXL313_REG_FIFO_STATUS 0x39 #define ADXL313_DEVID0 0xAD +#define ADXL313_DEVID0_ADXL312_314 0xE5 #define ADXL313_DEVID1 0x1D #define ADXL313_PARTID 0xCB #define ADXL313_SOFT_RESET 0x52 @@ -37,18 +40,46 @@ #define ADXL313_MEASUREMENT_MODE BIT(3) #define ADXL313_RANGE_MSK GENMASK(1, 0) -#define ADXL313_RANGE_4G 3 +#define ADXL313_RANGE_MAX 3 #define ADXL313_FULL_RES BIT(3) #define ADXL313_SPI_3WIRE BIT(6) #define ADXL313_I2C_DISABLE BIT(6) +extern const struct regmap_access_table adxl312_readable_regs_table; extern const struct regmap_access_table adxl313_readable_regs_table; +extern const struct regmap_access_table adxl314_readable_regs_table; +extern const struct regmap_access_table adxl312_writable_regs_table; extern const struct regmap_access_table adxl313_writable_regs_table; +extern const struct regmap_access_table adxl314_writable_regs_table; + +enum adxl313_device_type { + ADXL312, + ADXL313, + ADXL314, +}; + +struct adxl313_data { + struct regmap *regmap; + const struct adxl313_chip_info *chip_info; + struct mutex lock; /* lock to protect transf_buf */ + __le16 transf_buf __aligned(IIO_DMA_MINALIGN); +}; + +struct adxl313_chip_info { + const char *name; + enum adxl313_device_type type; + int scale_factor; + bool variable_range; + bool soft_reset; + int (*check_id)(struct device *dev, struct adxl313_data *data); +}; + +extern const struct adxl313_chip_info adxl31x_chip_info[]; int adxl313_core_probe(struct device *dev, struct regmap *regmap, - const char *name, + const struct adxl313_chip_info *chip_info, int (*setup)(struct device *, struct regmap *)); #endif /* _ADXL313_H_ */ |