mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 20:35:17 +07:00
d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
153 lines
4.1 KiB
C
153 lines
4.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* itg3200.h -- support InvenSense ITG3200
|
|
* Digital 3-Axis Gyroscope driver
|
|
*
|
|
* Copyright (c) 2011 Christian Strobel <christian.strobel@iis.fraunhofer.de>
|
|
* Copyright (c) 2011 Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
|
|
* Copyright (c) 2012 Thorsten Nowak <thorsten.nowak@iis.fraunhofer.de>
|
|
*/
|
|
|
|
#ifndef I2C_ITG3200_H_
|
|
#define I2C_ITG3200_H_
|
|
|
|
#include <linux/iio/iio.h>
|
|
|
|
/* Register with I2C address (34h) */
|
|
#define ITG3200_REG_ADDRESS 0x00
|
|
|
|
/* Sample rate divider
|
|
* Range: 0 to 255
|
|
* Default value: 0x00 */
|
|
#define ITG3200_REG_SAMPLE_RATE_DIV 0x15
|
|
|
|
/* Digital low pass filter settings */
|
|
#define ITG3200_REG_DLPF 0x16
|
|
/* DLPF full scale range */
|
|
#define ITG3200_DLPF_FS_SEL_2000 0x18
|
|
/* Bandwidth (Hz) and internal sample rate
|
|
* (kHz) of DLPF */
|
|
#define ITG3200_DLPF_256_8 0x00
|
|
#define ITG3200_DLPF_188_1 0x01
|
|
#define ITG3200_DLPF_98_1 0x02
|
|
#define ITG3200_DLPF_42_1 0x03
|
|
#define ITG3200_DLPF_20_1 0x04
|
|
#define ITG3200_DLPF_10_1 0x05
|
|
#define ITG3200_DLPF_5_1 0x06
|
|
|
|
#define ITG3200_DLPF_CFG_MASK 0x07
|
|
|
|
/* Configuration for interrupt operations */
|
|
#define ITG3200_REG_IRQ_CONFIG 0x17
|
|
/* Logic level */
|
|
#define ITG3200_IRQ_ACTIVE_LOW 0x80
|
|
#define ITG3200_IRQ_ACTIVE_HIGH 0x00
|
|
/* Drive type */
|
|
#define ITG3200_IRQ_OPEN_DRAIN 0x40
|
|
#define ITG3200_IRQ_PUSH_PULL 0x00
|
|
/* Latch mode */
|
|
#define ITG3200_IRQ_LATCH_UNTIL_CLEARED 0x20
|
|
#define ITG3200_IRQ_LATCH_50US_PULSE 0x00
|
|
/* Latch clear method */
|
|
#define ITG3200_IRQ_LATCH_CLEAR_ANY 0x10
|
|
#define ITG3200_IRQ_LATCH_CLEAR_STATUS 0x00
|
|
/* Enable interrupt when device is ready */
|
|
#define ITG3200_IRQ_DEVICE_RDY_ENABLE 0x04
|
|
/* Enable interrupt when data is available */
|
|
#define ITG3200_IRQ_DATA_RDY_ENABLE 0x01
|
|
|
|
/* Determine the status of ITG-3200 interrupts */
|
|
#define ITG3200_REG_IRQ_STATUS 0x1A
|
|
/* Status of 'device is ready'-interrupt */
|
|
#define ITG3200_IRQ_DEVICE_RDY_STATUS 0x04
|
|
/* Status of 'data is available'-interrupt */
|
|
#define ITG3200_IRQ_DATA_RDY_STATUS 0x01
|
|
|
|
/* Sensor registers */
|
|
#define ITG3200_REG_TEMP_OUT_H 0x1B
|
|
#define ITG3200_REG_TEMP_OUT_L 0x1C
|
|
#define ITG3200_REG_GYRO_XOUT_H 0x1D
|
|
#define ITG3200_REG_GYRO_XOUT_L 0x1E
|
|
#define ITG3200_REG_GYRO_YOUT_H 0x1F
|
|
#define ITG3200_REG_GYRO_YOUT_L 0x20
|
|
#define ITG3200_REG_GYRO_ZOUT_H 0x21
|
|
#define ITG3200_REG_GYRO_ZOUT_L 0x22
|
|
|
|
/* Power management */
|
|
#define ITG3200_REG_POWER_MANAGEMENT 0x3E
|
|
/* Reset device and internal registers to the
|
|
* power-up-default settings */
|
|
#define ITG3200_RESET 0x80
|
|
/* Enable low power sleep mode */
|
|
#define ITG3200_SLEEP 0x40
|
|
/* Put according gyroscope in standby mode */
|
|
#define ITG3200_STANDBY_GYRO_X 0x20
|
|
#define ITG3200_STANDBY_GYRO_Y 0x10
|
|
#define ITG3200_STANDBY_GYRO_Z 0x08
|
|
/* Determine the device clock source */
|
|
#define ITG3200_CLK_INTERNAL 0x00
|
|
#define ITG3200_CLK_GYRO_X 0x01
|
|
#define ITG3200_CLK_GYRO_Y 0x02
|
|
#define ITG3200_CLK_GYRO_Z 0x03
|
|
#define ITG3200_CLK_EXT_32K 0x04
|
|
#define ITG3200_CLK_EXT_19M 0x05
|
|
|
|
|
|
/**
|
|
* struct itg3200 - device instance specific data
|
|
* @i2c: actual i2c_client
|
|
* @trig: data ready trigger from itg3200 pin
|
|
**/
|
|
struct itg3200 {
|
|
struct i2c_client *i2c;
|
|
struct iio_trigger *trig;
|
|
struct iio_mount_matrix orientation;
|
|
};
|
|
|
|
enum ITG3200_SCAN_INDEX {
|
|
ITG3200_SCAN_TEMP,
|
|
ITG3200_SCAN_GYRO_X,
|
|
ITG3200_SCAN_GYRO_Y,
|
|
ITG3200_SCAN_GYRO_Z,
|
|
ITG3200_SCAN_ELEMENTS,
|
|
};
|
|
|
|
int itg3200_write_reg_8(struct iio_dev *indio_dev,
|
|
u8 reg_address, u8 val);
|
|
|
|
int itg3200_read_reg_8(struct iio_dev *indio_dev,
|
|
u8 reg_address, u8 *val);
|
|
|
|
|
|
#ifdef CONFIG_IIO_BUFFER
|
|
|
|
void itg3200_remove_trigger(struct iio_dev *indio_dev);
|
|
int itg3200_probe_trigger(struct iio_dev *indio_dev);
|
|
|
|
int itg3200_buffer_configure(struct iio_dev *indio_dev);
|
|
void itg3200_buffer_unconfigure(struct iio_dev *indio_dev);
|
|
|
|
#else /* CONFIG_IIO_BUFFER */
|
|
|
|
static inline void itg3200_remove_trigger(struct iio_dev *indio_dev)
|
|
{
|
|
}
|
|
|
|
static inline int itg3200_probe_trigger(struct iio_dev *indio_dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int itg3200_buffer_configure(struct iio_dev *indio_dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void itg3200_buffer_unconfigure(struct iio_dev *indio_dev)
|
|
{
|
|
}
|
|
|
|
#endif /* CONFIG_IIO_BUFFER */
|
|
|
|
#endif /* ITG3200_H_ */
|