/* * adis16400.h support Analog Devices ADIS16400 * 3d 18g accelerometers, * 3d gyroscopes, * 3d 2.5gauss magnetometers via SPI * * Copyright (c) 2009 Manuel Stahl * Copyright (c) 2007 Jonathan Cameron * * Loosely based upon lis3l02dq.h * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef SPI_ADIS16400_H_ #define SPI_ADIS16400_H_ #define ADIS16400_STARTUP_DELAY 290 /* ms */ #define ADIS16400_MTEST_DELAY 90 /* ms */ #define ADIS16400_READ_REG(a) a #define ADIS16400_WRITE_REG(a) ((a) | 0x80) #define ADIS16400_FLASH_CNT 0x00 /* Flash memory write count */ #define ADIS16400_SUPPLY_OUT 0x02 /* Power supply measurement */ #define ADIS16400_XGYRO_OUT 0x04 /* X-axis gyroscope output */ #define ADIS16400_YGYRO_OUT 0x06 /* Y-axis gyroscope output */ #define ADIS16400_ZGYRO_OUT 0x08 /* Z-axis gyroscope output */ #define ADIS16400_XACCL_OUT 0x0A /* X-axis accelerometer output */ #define ADIS16400_YACCL_OUT 0x0C /* Y-axis accelerometer output */ #define ADIS16400_ZACCL_OUT 0x0E /* Z-axis accelerometer output */ #define ADIS16400_XMAGN_OUT 0x10 /* X-axis magnetometer measurement */ #define ADIS16400_YMAGN_OUT 0x12 /* Y-axis magnetometer measurement */ #define ADIS16400_ZMAGN_OUT 0x14 /* Z-axis magnetometer measurement */ #define ADIS16400_TEMP_OUT 0x16 /* Temperature output */ #define ADIS16400_AUX_ADC 0x18 /* Auxiliary ADC measurement */ #define ADIS16350_XTEMP_OUT 0x10 /* X-axis gyroscope temperature measurement */ #define ADIS16350_YTEMP_OUT 0x12 /* Y-axis gyroscope temperature measurement */ #define ADIS16350_ZTEMP_OUT 0x14 /* Z-axis gyroscope temperature measurement */ #define ADIS16300_PITCH_OUT 0x12 /* X axis inclinometer output measurement */ #define ADIS16300_ROLL_OUT 0x12 /* Y axis inclinometer output measurement */ /* Calibration parameters */ #define ADIS16400_XGYRO_OFF 0x1A /* X-axis gyroscope bias offset factor */ #define ADIS16400_YGYRO_OFF 0x1C /* Y-axis gyroscope bias offset factor */ #define ADIS16400_ZGYRO_OFF 0x1E /* Z-axis gyroscope bias offset factor */ #define ADIS16400_XACCL_OFF 0x20 /* X-axis acceleration bias offset factor */ #define ADIS16400_YACCL_OFF 0x22 /* Y-axis acceleration bias offset factor */ #define ADIS16400_ZACCL_OFF 0x24 /* Z-axis acceleration bias offset factor */ #define ADIS16400_XMAGN_HIF 0x26 /* X-axis magnetometer, hard-iron factor */ #define ADIS16400_YMAGN_HIF 0x28 /* Y-axis magnetometer, hard-iron factor */ #define ADIS16400_ZMAGN_HIF 0x2A /* Z-axis magnetometer, hard-iron factor */ #define ADIS16400_XMAGN_SIF 0x2C /* X-axis magnetometer, soft-iron factor */ #define ADIS16400_YMAGN_SIF 0x2E /* Y-axis magnetometer, soft-iron factor */ #define ADIS16400_ZMAGN_SIF 0x30 /* Z-axis magnetometer, soft-iron factor */ #define ADIS16400_GPIO_CTRL 0x32 /* Auxiliary digital input/output control */ #define ADIS16400_MSC_CTRL 0x34 /* Miscellaneous control */ #define ADIS16400_SMPL_PRD 0x36 /* Internal sample period (rate) control */ #define ADIS16400_SENS_AVG 0x38 /* Dynamic range and digital filter control */ #define ADIS16400_SLP_CNT 0x3A /* Sleep mode control */ #define ADIS16400_DIAG_STAT 0x3C /* System status */ /* Alarm functions */ #define ADIS16400_GLOB_CMD 0x3E /* System command */ #define ADIS16400_ALM_MAG1 0x40 /* Alarm 1 amplitude threshold */ #define ADIS16400_ALM_MAG2 0x42 /* Alarm 2 amplitude threshold */ #define ADIS16400_ALM_SMPL1 0x44 /* Alarm 1 sample size */ #define ADIS16400_ALM_SMPL2 0x46 /* Alarm 2 sample size */ #define ADIS16400_ALM_CTRL 0x48 /* Alarm control */ #define ADIS16400_AUX_DAC 0x4A /* Auxiliary DAC data */ #define ADIS16400_PRODUCT_ID 0x56 /* Product identifier */ #define ADIS16400_ERROR_ACTIVE (1<<14) #define ADIS16400_NEW_DATA (1<<14) /* MSC_CTRL */ #define ADIS16400_MSC_CTRL_MEM_TEST (1<<11) #define ADIS16400_MSC_CTRL_INT_SELF_TEST (1<<10) #define ADIS16400_MSC_CTRL_NEG_SELF_TEST (1<<9) #define ADIS16400_MSC_CTRL_POS_SELF_TEST (1<<8) #define ADIS16400_MSC_CTRL_GYRO_BIAS (1<<7) #define ADIS16400_MSC_CTRL_ACCL_ALIGN (1<<6) #define ADIS16400_MSC_CTRL_DATA_RDY_EN (1<<2) #define ADIS16400_MSC_CTRL_DATA_RDY_POL_HIGH (1<<1) #define ADIS16400_MSC_CTRL_DATA_RDY_DIO2 (1<<0) /* SMPL_PRD */ #define ADIS16400_SMPL_PRD_TIME_BASE (1<<7) #define ADIS16400_SMPL_PRD_DIV_MASK 0x7F /* DIAG_STAT */ #define ADIS16400_DIAG_STAT_ZACCL_FAIL (1<<15) #define ADIS16400_DIAG_STAT_YACCL_FAIL (1<<14) #define ADIS16400_DIAG_STAT_XACCL_FAIL (1<<13) #define ADIS16400_DIAG_STAT_XGYRO_FAIL (1<<12) #define ADIS16400_DIAG_STAT_YGYRO_FAIL (1<<11) #define ADIS16400_DIAG_STAT_ZGYRO_FAIL (1<<10) #define ADIS16400_DIAG_STAT_ALARM2 (1<<9) #define ADIS16400_DIAG_STAT_ALARM1 (1<<8) #define ADIS16400_DIAG_STAT_FLASH_CHK (1<<6) #define ADIS16400_DIAG_STAT_SELF_TEST (1<<5) #define ADIS16400_DIAG_STAT_OVERFLOW (1<<4) #define ADIS16400_DIAG_STAT_SPI_FAIL (1<<3) #define ADIS16400_DIAG_STAT_FLASH_UPT (1<<2) #define ADIS16400_DIAG_STAT_POWER_HIGH (1<<1) #define ADIS16400_DIAG_STAT_POWER_LOW (1<<0) /* GLOB_CMD */ #define ADIS16400_GLOB_CMD_SW_RESET (1<<7) #define ADIS16400_GLOB_CMD_P_AUTO_NULL (1<<4) #define ADIS16400_GLOB_CMD_FLASH_UPD (1<<3) #define ADIS16400_GLOB_CMD_DAC_LATCH (1<<2) #define ADIS16400_GLOB_CMD_FAC_CALIB (1<<1) #define ADIS16400_GLOB_CMD_AUTO_NULL (1<<0) /* SLP_CNT */ #define ADIS16400_SLP_CNT_POWER_OFF (1<<8) #define ADIS16400_MAX_TX 24 #define ADIS16400_MAX_RX 24 #define ADIS16400_SPI_SLOW (u32)(300 * 1000) #define ADIS16400_SPI_BURST (u32)(1000 * 1000) #define ADIS16400_SPI_FAST (u32)(2000 * 1000) #define ADIS16400_HAS_PROD_ID 1 #define ADIS16400_NO_BURST 2 struct adis16400_chip_info { const struct iio_chan_spec *channels; const int num_channels; const int product_id; const long flags; unsigned int gyro_scale_micro; unsigned int accel_scale_micro; unsigned long default_scan_mask; }; /** * struct adis16400_state - device instance specific data * @us: actual spi_device * @trig: data ready trigger registered with iio * @tx: transmit buffer * @rx: receive buffer * @buf_lock: mutex to protect tx and rx * @filt_int: integer part of requested filter frequency **/ struct adis16400_state { struct spi_device *us; struct iio_trigger *trig; struct mutex buf_lock; struct adis16400_chip_info *variant; int filt_int; u8 tx[ADIS16400_MAX_TX] ____cacheline_aligned; u8 rx[ADIS16400_MAX_RX] ____cacheline_aligned; }; int adis16400_set_irq(struct iio_dev *indio_dev, bool enable); /* At the moment triggers are only used for ring buffer * filling. This may change! */ #define ADIS16400_SCAN_SUPPLY 0 #define ADIS16400_SCAN_GYRO_X 1 #define ADIS16400_SCAN_GYRO_Y 2 #define ADIS16400_SCAN_GYRO_Z 3 #define ADIS16400_SCAN_ACC_X 4 #define ADIS16400_SCAN_ACC_Y 5 #define ADIS16400_SCAN_ACC_Z 6 #define ADIS16400_SCAN_MAGN_X 7 #define ADIS16350_SCAN_TEMP_X 7 #define ADIS16400_SCAN_MAGN_Y 8 #define ADIS16350_SCAN_TEMP_Y 8 #define ADIS16400_SCAN_MAGN_Z 9 #define ADIS16350_SCAN_TEMP_Z 9 #define ADIS16400_SCAN_TEMP 10 #define ADIS16350_SCAN_ADC_0 10 #define ADIS16400_SCAN_ADC_0 11 #define ADIS16300_SCAN_INCLI_X 12 #define ADIS16300_SCAN_INCLI_Y 13 #ifdef CONFIG_IIO_BUFFER void adis16400_remove_trigger(struct iio_dev *indio_dev); int adis16400_probe_trigger(struct iio_dev *indio_dev); ssize_t adis16400_read_data_from_ring(struct device *dev, struct device_attribute *attr, char *buf); int adis16400_configure_ring(struct iio_dev *indio_dev); void adis16400_unconfigure_ring(struct iio_dev *indio_dev); #else /* CONFIG_IIO_BUFFER */ static inline void adis16400_remove_trigger(struct iio_dev *indio_dev) { } static inline int adis16400_probe_trigger(struct iio_dev *indio_dev) { return 0; } static inline ssize_t adis16400_read_data_from_ring(struct device *dev, struct device_attribute *attr, char *buf) { return 0; } static int adis16400_configure_ring(struct iio_dev *indio_dev) { return 0; } static inline void adis16400_unconfigure_ring(struct iio_dev *indio_dev) { } #endif /* CONFIG_IIO_BUFFER */ #endif /* SPI_ADIS16400_H_ */