diff options
Diffstat (limited to 'drivers/staging/iio/gyro/adis16251.h')
-rw-r--r-- | drivers/staging/iio/gyro/adis16251.h | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/drivers/staging/iio/gyro/adis16251.h b/drivers/staging/iio/gyro/adis16251.h deleted file mode 100644 index d23852cf78e8..000000000000 --- a/drivers/staging/iio/gyro/adis16251.h +++ /dev/null @@ -1,185 +0,0 @@ -#ifndef SPI_ADIS16251_H_ -#define SPI_ADIS16251_H_ - -#define ADIS16251_STARTUP_DELAY 220 /* ms */ - -#define ADIS16251_READ_REG(a) a -#define ADIS16251_WRITE_REG(a) ((a) | 0x80) - -#define ADIS16251_ENDURANCE 0x00 /* Flash memory write count */ -#define ADIS16251_SUPPLY_OUT 0x02 /* Power supply measurement */ -#define ADIS16251_GYRO_OUT 0x04 /* X-axis gyroscope output */ -#define ADIS16251_AUX_ADC 0x0A /* analog input channel measurement */ -#define ADIS16251_TEMP_OUT 0x0C /* internal temperature measurement */ -#define ADIS16251_ANGL_OUT 0x0E /* angle displacement */ -#define ADIS16251_GYRO_OFF 0x14 /* Calibration, offset/bias adjustment */ -#define ADIS16251_GYRO_SCALE 0x16 /* Calibration, scale adjustment */ -#define ADIS16251_ALM_MAG1 0x20 /* Alarm 1 magnitude/polarity setting */ -#define ADIS16251_ALM_MAG2 0x22 /* Alarm 2 magnitude/polarity setting */ -#define ADIS16251_ALM_SMPL1 0x24 /* Alarm 1 dynamic rate of change setting */ -#define ADIS16251_ALM_SMPL2 0x26 /* Alarm 2 dynamic rate of change setting */ -#define ADIS16251_ALM_CTRL 0x28 /* Alarm control */ -#define ADIS16251_AUX_DAC 0x30 /* Auxiliary DAC data */ -#define ADIS16251_GPIO_CTRL 0x32 /* Control, digital I/O line */ -#define ADIS16251_MSC_CTRL 0x34 /* Control, data ready, self-test settings */ -#define ADIS16251_SMPL_PRD 0x36 /* Control, internal sample rate */ -#define ADIS16251_SENS_AVG 0x38 /* Control, dynamic range, filtering */ -#define ADIS16251_SLP_CNT 0x3A /* Control, sleep mode initiation */ -#define ADIS16251_DIAG_STAT 0x3C /* Diagnostic, error flags */ -#define ADIS16251_GLOB_CMD 0x3E /* Control, global commands */ - -#define ADIS16251_ERROR_ACTIVE (1<<14) -#define ADIS16251_NEW_DATA (1<<14) - -/* MSC_CTRL */ -#define ADIS16251_MSC_CTRL_INT_SELF_TEST (1<<10) /* Internal self-test enable */ -#define ADIS16251_MSC_CTRL_NEG_SELF_TEST (1<<9) -#define ADIS16251_MSC_CTRL_POS_SELF_TEST (1<<8) -#define ADIS16251_MSC_CTRL_DATA_RDY_EN (1<<2) -#define ADIS16251_MSC_CTRL_DATA_RDY_POL_HIGH (1<<1) -#define ADIS16251_MSC_CTRL_DATA_RDY_DIO2 (1<<0) - -/* SMPL_PRD */ -#define ADIS16251_SMPL_PRD_TIME_BASE (1<<7) /* Time base (tB): 0 = 1.953 ms, 1 = 60.54 ms */ -#define ADIS16251_SMPL_PRD_DIV_MASK 0x7F - -/* SLP_CNT */ -#define ADIS16251_SLP_CNT_POWER_OFF 0x80 - -/* DIAG_STAT */ -#define ADIS16251_DIAG_STAT_ALARM2 (1<<9) -#define ADIS16251_DIAG_STAT_ALARM1 (1<<8) -#define ADIS16251_DIAG_STAT_SELF_TEST (1<<5) -#define ADIS16251_DIAG_STAT_OVERFLOW (1<<4) -#define ADIS16251_DIAG_STAT_SPI_FAIL (1<<3) -#define ADIS16251_DIAG_STAT_FLASH_UPT (1<<2) -#define ADIS16251_DIAG_STAT_POWER_HIGH (1<<1) -#define ADIS16251_DIAG_STAT_POWER_LOW (1<<0) - -#define ADIS16251_DIAG_STAT_ERR_MASK (ADIS16251_DIAG_STAT_ALARM2 | \ - ADIS16251_DIAG_STAT_ALARM1 | \ - ADIS16251_DIAG_STAT_SELF_TEST | \ - ADIS16251_DIAG_STAT_OVERFLOW | \ - ADIS16251_DIAG_STAT_SPI_FAIL | \ - ADIS16251_DIAG_STAT_FLASH_UPT | \ - ADIS16251_DIAG_STAT_POWER_HIGH | \ - ADIS16251_DIAG_STAT_POWER_LOW) - -/* GLOB_CMD */ -#define ADIS16251_GLOB_CMD_SW_RESET (1<<7) -#define ADIS16251_GLOB_CMD_FLASH_UPD (1<<3) -#define ADIS16251_GLOB_CMD_DAC_LATCH (1<<2) -#define ADIS16251_GLOB_CMD_FAC_CALIB (1<<1) -#define ADIS16251_GLOB_CMD_AUTO_NULL (1<<0) - -#define ADIS16251_MAX_TX 24 -#define ADIS16251_MAX_RX 24 - -#define ADIS16251_SPI_SLOW (u32)(300 * 1000) -#define ADIS16251_SPI_BURST (u32)(1000 * 1000) -#define ADIS16251_SPI_FAST (u32)(2000 * 1000) - -/** - * struct adis16251_state - device instance specific data - * @us: actual spi_device - * @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 adis16251_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; -}; - -int adis16251_spi_write_reg_8(struct device *dev, - u8 reg_address, - u8 val); - -int adis16251_spi_read_burst(struct device *dev, u8 *rx); - -int adis16251_spi_read_sequence(struct device *dev, - u8 *tx, u8 *rx, int num); - -int adis16251_set_irq(struct device *dev, bool enable); - -int adis16251_reset(struct device *dev); - -int adis16251_stop_device(struct device *dev); - -int adis16251_check_status(struct device *dev); - -#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 adis16251_scan { - ADIS16251_SCAN_SUPPLY, - ADIS16251_SCAN_GYRO, - ADIS16251_SCAN_TEMP, - ADIS16251_SCAN_ADC_0, -}; - -void adis16251_remove_trigger(struct iio_dev *indio_dev); -int adis16251_probe_trigger(struct iio_dev *indio_dev); - -ssize_t adis16251_read_data_from_ring(struct device *dev, - struct device_attribute *attr, - char *buf); - - -int adis16251_configure_ring(struct iio_dev *indio_dev); -void adis16251_unconfigure_ring(struct iio_dev *indio_dev); - -int adis16251_initialize_ring(struct iio_ring_buffer *ring); -void adis16251_uninitialize_ring(struct iio_ring_buffer *ring); -#else /* CONFIG_IIO_RING_BUFFER */ - -static inline void adis16251_remove_trigger(struct iio_dev *indio_dev) -{ -} - -static inline int adis16251_probe_trigger(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline ssize_t -adis16251_read_data_from_ring(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return 0; -} - -static int adis16251_configure_ring(struct iio_dev *indio_dev) -{ - return 0; -} - -static inline void adis16251_unconfigure_ring(struct iio_dev *indio_dev) -{ -} - -static inline int adis16251_initialize_ring(struct iio_ring_buffer *ring) -{ - return 0; -} - -static inline void adis16251_uninitialize_ring(struct iio_ring_buffer *ring) -{ -} - -#endif /* CONFIG_IIO_RING_BUFFER */ -#endif /* SPI_ADIS16251_H_ */ |