| #ifndef SPI_ADIS16300_H_ |
| #define SPI_ADIS16300_H_ |
| |
| #define ADIS16300_STARTUP_DELAY 220 /* ms */ |
| |
| #define ADIS16300_READ_REG(a) a |
| #define ADIS16300_WRITE_REG(a) ((a) | 0x80) |
| |
| #define ADIS16300_FLASH_CNT 0x00 /* Flash memory write count */ |
| #define ADIS16300_SUPPLY_OUT 0x02 /* Power supply measurement */ |
| #define ADIS16300_XGYRO_OUT 0x04 /* X-axis gyroscope output */ |
| #define ADIS16300_XACCL_OUT 0x0A /* X-axis accelerometer output */ |
| #define ADIS16300_YACCL_OUT 0x0C /* Y-axis accelerometer output */ |
| #define ADIS16300_ZACCL_OUT 0x0E /* Z-axis accelerometer output */ |
| #define ADIS16300_TEMP_OUT 0x10 /* Temperature output */ |
| #define ADIS16300_XINCLI_OUT 0x12 /* X-axis inclinometer output measurement */ |
| #define ADIS16300_YINCLI_OUT 0x14 /* Y-axis inclinometer output measurement */ |
| #define ADIS16300_AUX_ADC 0x16 /* Auxiliary ADC measurement */ |
| |
| /* Calibration parameters */ |
| #define ADIS16300_XGYRO_OFF 0x1A /* X-axis gyroscope bias offset factor */ |
| #define ADIS16300_XACCL_OFF 0x20 /* X-axis acceleration bias offset factor */ |
| #define ADIS16300_YACCL_OFF 0x22 /* Y-axis acceleration bias offset factor */ |
| #define ADIS16300_ZACCL_OFF 0x24 /* Z-axis acceleration bias offset factor */ |
| |
| #define ADIS16300_GPIO_CTRL 0x32 /* Auxiliary digital input/output control */ |
| #define ADIS16300_MSC_CTRL 0x34 /* Miscellaneous control */ |
| #define ADIS16300_SMPL_PRD 0x36 /* Internal sample period (rate) control */ |
| #define ADIS16300_SENS_AVG 0x38 /* Dynamic range and digital filter control */ |
| #define ADIS16300_SLP_CNT 0x3A /* Sleep mode control */ |
| #define ADIS16300_DIAG_STAT 0x3C /* System status */ |
| |
| /* Alarm functions */ |
| #define ADIS16300_GLOB_CMD 0x3E /* System command */ |
| #define ADIS16300_ALM_MAG1 0x26 /* Alarm 1 amplitude threshold */ |
| #define ADIS16300_ALM_MAG2 0x28 /* Alarm 2 amplitude threshold */ |
| #define ADIS16300_ALM_SMPL1 0x2A /* Alarm 1 sample size */ |
| #define ADIS16300_ALM_SMPL2 0x2C /* Alarm 2 sample size */ |
| #define ADIS16300_ALM_CTRL 0x2E /* Alarm control */ |
| #define ADIS16300_AUX_DAC 0x30 /* Auxiliary DAC data */ |
| |
| #define ADIS16300_ERROR_ACTIVE (1<<14) |
| #define ADIS16300_NEW_DATA (1<<15) |
| |
| /* MSC_CTRL */ |
| #define ADIS16300_MSC_CTRL_MEM_TEST (1<<11) |
| #define ADIS16300_MSC_CTRL_INT_SELF_TEST (1<<10) |
| #define ADIS16300_MSC_CTRL_NEG_SELF_TEST (1<<9) |
| #define ADIS16300_MSC_CTRL_POS_SELF_TEST (1<<8) |
| #define ADIS16300_MSC_CTRL_GYRO_BIAS (1<<7) |
| #define ADIS16300_MSC_CTRL_ACCL_ALIGN (1<<6) |
| #define ADIS16300_MSC_CTRL_DATA_RDY_EN (1<<2) |
| #define ADIS16300_MSC_CTRL_DATA_RDY_POL_HIGH (1<<1) |
| #define ADIS16300_MSC_CTRL_DATA_RDY_DIO2 (1<<0) |
| |
| /* SMPL_PRD */ |
| #define ADIS16300_SMPL_PRD_TIME_BASE (1<<7) |
| #define ADIS16300_SMPL_PRD_DIV_MASK 0x7F |
| |
| /* DIAG_STAT */ |
| #define ADIS16300_DIAG_STAT_ZACCL_FAIL (1<<15) |
| #define ADIS16300_DIAG_STAT_YACCL_FAIL (1<<14) |
| #define ADIS16300_DIAG_STAT_XACCL_FAIL (1<<13) |
| #define ADIS16300_DIAG_STAT_XGYRO_FAIL (1<<10) |
| #define ADIS16300_DIAG_STAT_ALARM2 (1<<9) |
| #define ADIS16300_DIAG_STAT_ALARM1 (1<<8) |
| #define ADIS16300_DIAG_STAT_FLASH_CHK (1<<6) |
| #define ADIS16300_DIAG_STAT_SELF_TEST (1<<5) |
| #define ADIS16300_DIAG_STAT_OVERFLOW (1<<4) |
| #define ADIS16300_DIAG_STAT_SPI_FAIL (1<<3) |
| #define ADIS16300_DIAG_STAT_FLASH_UPT (1<<2) |
| #define ADIS16300_DIAG_STAT_POWER_HIGH (1<<1) |
| #define ADIS16300_DIAG_STAT_POWER_LOW (1<<0) |
| |
| /* GLOB_CMD */ |
| #define ADIS16300_GLOB_CMD_SW_RESET (1<<7) |
| #define ADIS16300_GLOB_CMD_P_AUTO_NULL (1<<4) |
| #define ADIS16300_GLOB_CMD_FLASH_UPD (1<<3) |
| #define ADIS16300_GLOB_CMD_DAC_LATCH (1<<2) |
| #define ADIS16300_GLOB_CMD_FAC_CALIB (1<<1) |
| #define ADIS16300_GLOB_CMD_AUTO_NULL (1<<0) |
| |
| /* SLP_CNT */ |
| #define ADIS16300_SLP_CNT_POWER_OFF (1<<8) |
| |
| #define ADIS16300_MAX_TX 18 |
| #define ADIS16300_MAX_RX 18 |
| |
| #define ADIS16300_SPI_SLOW (u32)(300 * 1000) |
| #define ADIS16300_SPI_BURST (u32)(1000 * 1000) |
| #define ADIS16300_SPI_FAST (u32)(2000 * 1000) |
| |
| /** |
| * struct adis16300_state - device instance specific data |
| * @us: actual spi_device |
| * @work_trigger_to_ring: bh for triggered event handling |
| * @work_cont_thresh: CLEAN |
| * @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 adis16300_state { |
| struct spi_device *us; |
| struct work_struct work_trigger_to_ring; |
| struct iio_work_cont work_cont_thresh; |
| s64 last_timestamp; |
| struct iio_dev *indio_dev; |
| struct iio_trigger *trig; |
| u8 *tx; |
| u8 *rx; |
| struct mutex buf_lock; |
| }; |
| |
| int adis16300_spi_read_burst(struct device *dev, u8 *rx); |
| |
| int adis16300_set_irq(struct device *dev, bool enable); |
| |
| int adis16300_reset(struct device *dev); |
| |
| int adis16300_check_status(struct device *dev); |
| |
| #ifdef CONFIG_IIO_RING_BUFFER |
| /* At the moment triggers are only used for ring buffer |
| * filling. This may change! |
| */ |
| |
| enum adis16300_scan { |
| ADIS16300_SCAN_SUPPLY, |
| ADIS16300_SCAN_GYRO_X, |
| ADIS16300_SCAN_ACC_X, |
| ADIS16300_SCAN_ACC_Y, |
| ADIS16300_SCAN_ACC_Z, |
| ADIS16300_SCAN_TEMP, |
| ADIS16300_SCAN_ADC_0, |
| ADIS16300_SCAN_INCLI_X, |
| ADIS16300_SCAN_INCLI_Y, |
| }; |
| |
| void adis16300_remove_trigger(struct iio_dev *indio_dev); |
| int adis16300_probe_trigger(struct iio_dev *indio_dev); |
| |
| ssize_t adis16300_read_data_from_ring(struct device *dev, |
| struct device_attribute *attr, |
| char *buf); |
| |
| |
| int adis16300_configure_ring(struct iio_dev *indio_dev); |
| void adis16300_unconfigure_ring(struct iio_dev *indio_dev); |
| |
| int adis16300_initialize_ring(struct iio_ring_buffer *ring); |
| void adis16300_uninitialize_ring(struct iio_ring_buffer *ring); |
| #else /* CONFIG_IIO_RING_BUFFER */ |
| |
| static inline void adis16300_remove_trigger(struct iio_dev *indio_dev) |
| { |
| } |
| |
| static inline int adis16300_probe_trigger(struct iio_dev *indio_dev) |
| { |
| return 0; |
| } |
| |
| static inline ssize_t |
| adis16300_read_data_from_ring(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| return 0; |
| } |
| |
| static int adis16300_configure_ring(struct iio_dev *indio_dev) |
| { |
| return 0; |
| } |
| |
| static inline void adis16300_unconfigure_ring(struct iio_dev *indio_dev) |
| { |
| } |
| |
| static inline int adis16300_initialize_ring(struct iio_ring_buffer *ring) |
| { |
| return 0; |
| } |
| |
| static inline void adis16300_uninitialize_ring(struct iio_ring_buffer *ring) |
| { |
| } |
| |
| #endif /* CONFIG_IIO_RING_BUFFER */ |
| #endif /* SPI_ADIS16300_H_ */ |
