Release 4.7 drivers/iio/imu/adis16400.h
/*
* adis16400.h support Analog Devices ADIS16400
* 3d 18g accelerometers,
* 3d gyroscopes,
* 3d 2.5gauss magnetometers via SPI
*
* Copyright (c) 2009 Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
* Copyright (c) 2007 Jonathan Cameron <jic23@kernel.org>
*
* 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_
#include <linux/iio/imu/adis.h>
#define ADIS16400_STARTUP_DELAY 290
/* ms */
#define ADIS16400_MTEST_DELAY 90
/* ms */
#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 0x14
/* Y axis inclinometer output measurement */
#define ADIS16300_AUX_ADC 0x16
/* Auxiliary ADC measurement */
#define ADIS16448_BARO_OUT 0x16
/* Barometric pressure output */
#define ADIS16448_TEMP_OUT 0x18
/* Temperature output */
/* 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 ADIS16334_LOT_ID1 0x52
/* Lot identification code 1 */
#define ADIS16334_LOT_ID2 0x54
/* Lot identification code 2 */
#define ADIS16400_PRODUCT_ID 0x56
/* Product identifier */
#define ADIS16334_SERIAL_NUMBER 0x58
/* Serial number, lot specific */
#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 15
#define ADIS16400_DIAG_STAT_YACCL_FAIL 14
#define ADIS16400_DIAG_STAT_XACCL_FAIL 13
#define ADIS16400_DIAG_STAT_XGYRO_FAIL 12
#define ADIS16400_DIAG_STAT_YGYRO_FAIL 11
#define ADIS16400_DIAG_STAT_ZGYRO_FAIL 10
#define ADIS16400_DIAG_STAT_ALARM2 9
#define ADIS16400_DIAG_STAT_ALARM1 8
#define ADIS16400_DIAG_STAT_FLASH_CHK 6
#define ADIS16400_DIAG_STAT_SELF_TEST 5
#define ADIS16400_DIAG_STAT_OVERFLOW 4
#define ADIS16400_DIAG_STAT_SPI_FAIL 3
#define ADIS16400_DIAG_STAT_FLASH_UPT 2
#define ADIS16400_DIAG_STAT_POWER_HIGH 1
#define ADIS16400_DIAG_STAT_POWER_LOW 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 ADIS16334_RATE_DIV_SHIFT 8
#define ADIS16334_RATE_INT_CLK BIT(0)
#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 BIT(0)
#define ADIS16400_NO_BURST BIT(1)
#define ADIS16400_HAS_SLOW_MODE BIT(2)
#define ADIS16400_HAS_SERIAL_NUMBER BIT(3)
#define ADIS16400_BURST_DIAG_STAT BIT(4)
struct adis16400_state;
struct adis16400_chip_info {
const struct iio_chan_spec *channels;
const int num_channels;
const long flags;
unsigned int gyro_scale_micro;
unsigned int accel_scale_micro;
int temp_scale_nano;
int temp_offset;
int (*set_freq)(struct adis16400_state *st, unsigned int freq);
int (*get_freq)(struct adis16400_state *st);
};
/**
* struct adis16400_state - device instance specific data
* @variant: chip variant info
* @filt_int: integer part of requested filter frequency
* @adis: adis device
**/
struct adis16400_state {
struct adis16400_chip_info *variant;
int filt_int;
struct adis adis;
unsigned long avail_scan_mask[2];
};
/* At the moment triggers are only used for ring buffer
* filling. This may change!
*/
enum {
ADIS16400_SCAN_SUPPLY,
ADIS16400_SCAN_GYRO_X,
ADIS16400_SCAN_GYRO_Y,
ADIS16400_SCAN_GYRO_Z,
ADIS16400_SCAN_ACC_X,
ADIS16400_SCAN_ACC_Y,
ADIS16400_SCAN_ACC_Z,
ADIS16400_SCAN_MAGN_X,
ADIS16400_SCAN_MAGN_Y,
ADIS16400_SCAN_MAGN_Z,
ADIS16400_SCAN_BARO,
ADIS16350_SCAN_TEMP_X,
ADIS16350_SCAN_TEMP_Y,
ADIS16350_SCAN_TEMP_Z,
ADIS16300_SCAN_INCLI_X,
ADIS16300_SCAN_INCLI_Y,
ADIS16400_SCAN_ADC,
ADIS16400_SCAN_TIMESTAMP,
};
#ifdef CONFIG_IIO_BUFFER
ssize_t adis16400_read_data_from_ring(struct device *dev,
struct device_attribute *attr,
char *buf);
int adis16400_update_scan_mode(struct iio_dev *indio_dev,
const unsigned long *scan_mask);
irqreturn_t adis16400_trigger_handler(int irq, void *p);
#else /* CONFIG_IIO_BUFFER */
#define adis16400_update_scan_mode NULL
#define adis16400_trigger_handler NULL
#endif /* CONFIG_IIO_BUFFER */
#endif /* SPI_ADIS16400_H_ */
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