| #ifndef SPI_ADIS16060_H_ |
| #define SPI_ADIS16060_H_ |
| |
| #define ADIS16060_GYRO 0x20 /* Measure Angular Rate (Gyro) */ |
| #define ADIS16060_SUPPLY_OUT 0x10 /* Measure Temperature */ |
| #define ADIS16060_AIN2 0x80 /* Measure AIN2 */ |
| #define ADIS16060_AIN1 0x40 /* Measure AIN1 */ |
| #define ADIS16060_TEMP_OUT 0x22 /* Set Positive Self-Test and Output for Angular Rate */ |
| #define ADIS16060_ANGL_OUT 0x21 /* Set Negative Self-Test and Output for Angular Rate */ |
| |
| #define ADIS16060_MAX_TX 3 |
| #define ADIS16060_MAX_RX 3 |
| |
| /** |
| * struct adis16060_state - device instance specific data |
| * @us_w: 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 adis16060_state { |
| struct spi_device *us_w; |
| struct spi_device *us_r; |
| 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 adis16060_scan { |
| ADIS16060_SCAN_GYRO, |
| ADIS16060_SCAN_TEMP, |
| ADIS16060_SCAN_ADC_1, |
| ADIS16060_SCAN_ADC_2, |
| }; |
| |
| void adis16060_remove_trigger(struct iio_dev *indio_dev); |
| int adis16060_probe_trigger(struct iio_dev *indio_dev); |
| |
| ssize_t adis16060_read_data_from_ring(struct device *dev, |
| struct device_attribute *attr, |
| char *buf); |
| |
| |
| int adis16060_configure_ring(struct iio_dev *indio_dev); |
| void adis16060_unconfigure_ring(struct iio_dev *indio_dev); |
| |
| int adis16060_initialize_ring(struct iio_ring_buffer *ring); |
| void adis16060_uninitialize_ring(struct iio_ring_buffer *ring); |
| #else /* CONFIG_IIO_RING_BUFFER */ |
| |
| static inline void adis16060_remove_trigger(struct iio_dev *indio_dev) |
| { |
| } |
| |
| static inline int adis16060_probe_trigger(struct iio_dev *indio_dev) |
| { |
| return 0; |
| } |
| |
| static inline ssize_t |
| adis16060_read_data_from_ring(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| return 0; |
| } |
| |
| static int adis16060_configure_ring(struct iio_dev *indio_dev) |
| { |
| return 0; |
| } |
| |
| static inline void adis16060_unconfigure_ring(struct iio_dev *indio_dev) |
| { |
| } |
| |
| static inline int adis16060_initialize_ring(struct iio_ring_buffer *ring) |
| { |
| return 0; |
| } |
| |
| static inline void adis16060_uninitialize_ring(struct iio_ring_buffer *ring) |
| { |
| } |
| |
| #endif /* CONFIG_IIO_RING_BUFFER */ |
| #endif /* SPI_ADIS16060_H_ */ |