drivers/iio/imu/adis16400.h - LeafOS-Devices/android_kernel_samsung_gta4xl - Gitiles

 /*
  * 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_ */
	/*
	* 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_ */