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#ifndef SPI_ADIS16080_H_
#define SPI_ADIS16080_H_
#define ADIS16080_DIN_CODE 4 /* Output data format setting. 0: Twos complement. 1: Offset binary. */
#define ADIS16080_DIN_GYRO (0 << 10) /* Gyroscope output */
#define ADIS16080_DIN_TEMP (1 << 10) /* Temperature output */
#define ADIS16080_DIN_AIN1 (2 << 10)
#define ADIS16080_DIN_AIN2 (3 << 10)
#define ADIS16080_DIN_WRITE (1 << 15) /* 1: Write contents on DIN to control register.
* 0: No changes to control register.
*/
#define ADIS16080_MAX_TX 2
#define ADIS16080_MAX_RX 2
/**
* struct adis16080_state - device instance specific data
* @us: actual spi_device to write data
* @work_trigger_to_ring: bh for triggered event handling
* @inter: used to check if new interrupt has been triggered
* @last_timestamp: passing timestamp from th to bh of interrupt handler
* @indio_dev: industrial I/O device structure
* @trig: data ready trigger registered with iio
* @tx: transmit buffer
* @rx: recieve buffer
* @buf_lock: mutex to protect tx and rx
**/
struct adis16080_state {
struct spi_device *us;
struct work_struct work_trigger_to_ring;
s64 last_timestamp;
struct iio_dev *indio_dev;
struct iio_trigger *trig;
u8 *tx;
u8 *rx;
struct mutex buf_lock;
};
#if defined(CONFIG_IIO_RING_BUFFER) && defined(THIS_HAS_RING_BUFFER_SUPPORT)
/* At the moment triggers are only used for ring buffer
* filling. This may change!
*/
enum adis16080_scan {
ADIS16080_SCAN_GYRO,
ADIS16080_SCAN_TEMP,
ADIS16080_SCAN_ADC_1,
ADIS16080_SCAN_ADC_2,
};
void adis16080_remove_trigger(struct iio_dev *indio_dev);
int adis16080_probe_trigger(struct iio_dev *indio_dev);
ssize_t adis16080_read_data_from_ring(struct device *dev,
struct device_attribute *attr,
char *buf);
int adis16080_configure_ring(struct iio_dev *indio_dev);
void adis16080_unconfigure_ring(struct iio_dev *indio_dev);
int adis16080_initialize_ring(struct iio_ring_buffer *ring);
void adis16080_uninitialize_ring(struct iio_ring_buffer *ring);
#else /* CONFIG_IIO_RING_BUFFER */
static inline void adis16080_remove_trigger(struct iio_dev *indio_dev)
{
}
static inline int adis16080_probe_trigger(struct iio_dev *indio_dev)
{
return 0;
}
static inline ssize_t
adis16080_read_data_from_ring(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return 0;
}
static int adis16080_configure_ring(struct iio_dev *indio_dev)
{
return 0;
}
static inline void adis16080_unconfigure_ring(struct iio_dev *indio_dev)
{
}
static inline int adis16080_initialize_ring(struct iio_ring_buffer *ring)
{
return 0;
}
static inline void adis16080_uninitialize_ring(struct iio_ring_buffer *ring)
{
}
#endif /* CONFIG_IIO_RING_BUFFER */
#endif /* SPI_ADIS16080_H_ */
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