2010-05-07 16:39:00 +02:00
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#ifndef SPI_ADIS16240_H_
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#define SPI_ADIS16240_H_
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#define ADIS16240_STARTUP_DELAY 220 /* ms */
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#define ADIS16240_READ_REG(a) a
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#define ADIS16240_WRITE_REG(a) ((a) | 0x80)
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/* Flash memory write count */
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#define ADIS16240_FLASH_CNT 0x00
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/* Output, power supply */
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#define ADIS16240_SUPPLY_OUT 0x02
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/* Output, x-axis accelerometer */
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#define ADIS16240_XACCL_OUT 0x04
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/* Output, y-axis accelerometer */
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#define ADIS16240_YACCL_OUT 0x06
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/* Output, z-axis accelerometer */
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#define ADIS16240_ZACCL_OUT 0x08
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/* Output, auxiliary ADC input */
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#define ADIS16240_AUX_ADC 0x0A
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/* Output, temperature */
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#define ADIS16240_TEMP_OUT 0x0C
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/* Output, x-axis acceleration peak */
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#define ADIS16240_XPEAK_OUT 0x0E
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/* Output, y-axis acceleration peak */
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#define ADIS16240_YPEAK_OUT 0x10
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/* Output, z-axis acceleration peak */
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#define ADIS16240_ZPEAK_OUT 0x12
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/* Output, sum-of-squares acceleration peak */
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#define ADIS16240_XYZPEAK_OUT 0x14
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/* Output, Capture Buffer 1, X and Y acceleration */
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#define ADIS16240_CAPT_BUF1 0x16
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/* Output, Capture Buffer 2, Z acceleration */
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#define ADIS16240_CAPT_BUF2 0x18
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/* Diagnostic, error flags */
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#define ADIS16240_DIAG_STAT 0x1A
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/* Diagnostic, event counter */
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#define ADIS16240_EVNT_CNTR 0x1C
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/* Diagnostic, check sum value from firmware test */
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#define ADIS16240_CHK_SUM 0x1E
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/* Calibration, x-axis acceleration offset adjustment */
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#define ADIS16240_XACCL_OFF 0x20
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/* Calibration, y-axis acceleration offset adjustment */
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#define ADIS16240_YACCL_OFF 0x22
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/* Calibration, z-axis acceleration offset adjustment */
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#define ADIS16240_ZACCL_OFF 0x24
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/* Clock, hour and minute */
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#define ADIS16240_CLK_TIME 0x2E
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/* Clock, month and day */
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#define ADIS16240_CLK_DATE 0x30
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/* Clock, year */
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#define ADIS16240_CLK_YEAR 0x32
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/* Wake-up setting, hour and minute */
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#define ADIS16240_WAKE_TIME 0x34
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/* Wake-up setting, month and day */
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#define ADIS16240_WAKE_DATE 0x36
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/* Alarm 1 amplitude threshold */
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#define ADIS16240_ALM_MAG1 0x38
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/* Alarm 2 amplitude threshold */
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#define ADIS16240_ALM_MAG2 0x3A
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/* Alarm control */
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#define ADIS16240_ALM_CTRL 0x3C
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/* Capture, external trigger control */
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#define ADIS16240_XTRIG_CTRL 0x3E
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/* Capture, address pointer */
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#define ADIS16240_CAPT_PNTR 0x40
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/* Capture, configuration and control */
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#define ADIS16240_CAPT_CTRL 0x42
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/* General-purpose digital input/output control */
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#define ADIS16240_GPIO_CTRL 0x44
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/* Miscellaneous control */
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#define ADIS16240_MSC_CTRL 0x46
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/* Internal sample period (rate) control */
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#define ADIS16240_SMPL_PRD 0x48
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/* System command */
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#define ADIS16240_GLOB_CMD 0x4A
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#define ADIS16240_OUTPUTS 6
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/* MSC_CTRL */
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/* Enables sum-of-squares output (XYZPEAK_OUT) */
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#define ADIS16240_MSC_CTRL_XYZPEAK_OUT_EN (1 << 15)
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/* Enables peak tracking output (XPEAK_OUT, YPEAK_OUT, and ZPEAK_OUT) */
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#define ADIS16240_MSC_CTRL_X_Y_ZPEAK_OUT_EN (1 << 14)
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/* Self-test enable: 1 = apply electrostatic force, 0 = disabled */
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#define ADIS16240_MSC_CTRL_SELF_TEST_EN (1 << 8)
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/* Data-ready enable: 1 = enabled, 0 = disabled */
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#define ADIS16240_MSC_CTRL_DATA_RDY_EN (1 << 2)
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/* Data-ready polarity: 1 = active high, 0 = active low */
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#define ADIS16240_MSC_CTRL_ACTIVE_HIGH (1 << 1)
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/* Data-ready line selection: 1 = DIO2, 0 = DIO1 */
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#define ADIS16240_MSC_CTRL_DATA_RDY_DIO2 (1 << 0)
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/* DIAG_STAT */
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/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
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#define ADIS16240_DIAG_STAT_ALARM2 (1<<9)
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/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
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#define ADIS16240_DIAG_STAT_ALARM1 (1<<8)
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/* Capture buffer full: 1 = capture buffer is full */
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#define ADIS16240_DIAG_STAT_CPT_BUF_FUL (1<<7)
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/* Flash test, checksum flag: 1 = mismatch, 0 = match */
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#define ADIS16240_DIAG_STAT_CHKSUM (1<<6)
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/* Power-on, self-test flag: 1 = failure, 0 = pass */
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#define ADIS16240_DIAG_STAT_PWRON_FAIL (1<<5)
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/* Power-on self-test: 1 = in-progress, 0 = complete */
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#define ADIS16240_DIAG_STAT_PWRON_BUSY (1<<4)
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/* SPI communications failure */
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#define ADIS16240_DIAG_STAT_SPI_FAIL (1<<3)
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/* Flash update failure */
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#define ADIS16240_DIAG_STAT_FLASH_UPT (1<<2)
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/* Power supply above 3.625 V */
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#define ADIS16240_DIAG_STAT_POWER_HIGH (1<<1)
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/* Power supply below 3.15 V */
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#define ADIS16240_DIAG_STAT_POWER_LOW (1<<0)
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/* GLOB_CMD */
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#define ADIS16240_GLOB_CMD_RESUME (1<<8)
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#define ADIS16240_GLOB_CMD_SW_RESET (1<<7)
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#define ADIS16240_GLOB_CMD_STANDBY (1<<2)
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#define ADIS16240_ERROR_ACTIVE (1<<14)
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#define ADIS16240_MAX_TX 24
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#define ADIS16240_MAX_RX 24
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/**
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* struct adis16240_state - device instance specific data
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* @us: actual spi_device
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* @work_trigger_to_ring: bh for triggered event handling
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* @inter: used to check if new interrupt has been triggered
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* @last_timestamp: passing timestamp from th to bh of interrupt handler
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* @indio_dev: industrial I/O device structure
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* @trig: data ready trigger registered with iio
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* @tx: transmit buffer
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2011-03-31 03:57:33 +02:00
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* @rx: receive buffer
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2010-05-07 16:39:00 +02:00
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* @buf_lock: mutex to protect tx and rx
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**/
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struct adis16240_state {
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struct spi_device *us;
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struct work_struct work_trigger_to_ring;
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s64 last_timestamp;
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struct iio_dev *indio_dev;
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struct iio_trigger *trig;
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u8 *tx;
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u8 *rx;
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struct mutex buf_lock;
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};
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int adis16240_set_irq(struct device *dev, bool enable);
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#ifdef CONFIG_IIO_RING_BUFFER
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/* At the moment triggers are only used for ring buffer
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* filling. This may change!
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*/
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2010-07-11 17:39:15 +02:00
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#define ADIS16240_SCAN_SUPPLY 0
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#define ADIS16240_SCAN_ACC_X 1
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#define ADIS16240_SCAN_ACC_Y 2
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#define ADIS16240_SCAN_ACC_Z 3
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#define ADIS16240_SCAN_AUX_ADC 4
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#define ADIS16240_SCAN_TEMP 5
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2010-05-07 16:39:00 +02:00
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void adis16240_remove_trigger(struct iio_dev *indio_dev);
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int adis16240_probe_trigger(struct iio_dev *indio_dev);
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ssize_t adis16240_read_data_from_ring(struct device *dev,
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struct device_attribute *attr,
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char *buf);
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int adis16240_configure_ring(struct iio_dev *indio_dev);
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void adis16240_unconfigure_ring(struct iio_dev *indio_dev);
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#else /* CONFIG_IIO_RING_BUFFER */
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static inline void adis16240_remove_trigger(struct iio_dev *indio_dev)
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{
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}
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static inline int adis16240_probe_trigger(struct iio_dev *indio_dev)
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{
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return 0;
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}
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static inline ssize_t
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adis16240_read_data_from_ring(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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return 0;
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}
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static int adis16240_configure_ring(struct iio_dev *indio_dev)
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{
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return 0;
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}
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static inline void adis16240_unconfigure_ring(struct iio_dev *indio_dev)
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{
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}
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#endif /* CONFIG_IIO_RING_BUFFER */
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#endif /* SPI_ADIS16240_H_ */
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