diff options
Diffstat (limited to 'drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h')
| -rw-r--r-- | drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h | 31 |
1 files changed, 6 insertions, 25 deletions
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h index cebc6bd31b79..ccbe44cef41a 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h @@ -29,21 +29,9 @@ enum st_lsm6dsx_hw_id { #define ST_LSM6DSX_CHAN_SIZE 2 #define ST_LSM6DSX_SAMPLE_SIZE 6 - -#if defined(CONFIG_SPI_MASTER) -#define ST_LSM6DSX_RX_MAX_LENGTH 256 -#define ST_LSM6DSX_TX_MAX_LENGTH 8 - -struct st_lsm6dsx_transfer_buffer { - u8 rx_buf[ST_LSM6DSX_RX_MAX_LENGTH]; - u8 tx_buf[ST_LSM6DSX_TX_MAX_LENGTH] ____cacheline_aligned; -}; -#endif /* CONFIG_SPI_MASTER */ - -struct st_lsm6dsx_transfer_function { - int (*read)(struct device *dev, u8 addr, int len, u8 *data); - int (*write)(struct device *dev, u8 addr, int len, u8 *data); -}; +#define ST_LSM6DSX_MAX_WORD_LEN ((32 / ST_LSM6DSX_SAMPLE_SIZE) * \ + ST_LSM6DSX_SAMPLE_SIZE) +#define ST_LSM6DSX_SHIFT_VAL(val, mask) (((val) << __ffs(mask)) & (mask)) struct st_lsm6dsx_reg { u8 addr; @@ -127,8 +115,8 @@ struct st_lsm6dsx_sensor { /** * struct st_lsm6dsx_hw - ST IMU MEMS hw instance * @dev: Pointer to instance of struct device (I2C or SPI). + * @regmap: Register map of the device. * @irq: Device interrupt line (I2C or SPI). - * @lock: Mutex to protect read and write operations. * @fifo_lock: Mutex to prevent concurrent access to the hw FIFO. * @conf_lock: Mutex to prevent concurrent FIFO configuration update. * @fifo_mode: FIFO operating mode supported by the device. @@ -136,14 +124,12 @@ struct st_lsm6dsx_sensor { * @sip: Total number of samples (acc/gyro) in a given pattern. * @iio_devs: Pointers to acc/gyro iio_dev instances. * @settings: Pointer to the specific sensor settings in use. - * @tf: Transfer function structure used by I/O operations. - * @tb: Transfer buffers used by SPI I/O operations. */ struct st_lsm6dsx_hw { struct device *dev; + struct regmap *regmap; int irq; - struct mutex lock; struct mutex fifo_lock; struct mutex conf_lock; @@ -154,17 +140,12 @@ struct st_lsm6dsx_hw { struct iio_dev *iio_devs[ST_LSM6DSX_ID_MAX]; const struct st_lsm6dsx_settings *settings; - - const struct st_lsm6dsx_transfer_function *tf; -#if defined(CONFIG_SPI_MASTER) - struct st_lsm6dsx_transfer_buffer tb; -#endif /* CONFIG_SPI_MASTER */ }; extern const struct dev_pm_ops st_lsm6dsx_pm_ops; int st_lsm6dsx_probe(struct device *dev, int irq, int hw_id, const char *name, - const struct st_lsm6dsx_transfer_function *tf_ops); + struct regmap *regmap); int st_lsm6dsx_sensor_enable(struct st_lsm6dsx_sensor *sensor); int st_lsm6dsx_sensor_disable(struct st_lsm6dsx_sensor *sensor); int st_lsm6dsx_fifo_setup(struct st_lsm6dsx_hw *hw); |