91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2020 MediaTek Inc.
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*/
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#ifndef ITG1010_H
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#define ITG1010_H
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#include <linux/ioctl.h>
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#define ITG1010_I2C_SLAVE_ADDR 0xD0
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/* ITG1010 Register Map (Please refer to ITG1010 Specifications) */
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#define ITG1010_REG_DEVID 0x75
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#define ITG1010_REG_FIFO_EN 0x23
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#define ITG1010_REG_AUX_VDD 0x01
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#define ITG1010_REG_SAMRT_DIV 0x19
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/* set external sync, full-scale range and sample rate, low pass filter
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* bandwidth
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*/
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#define ITG1010_REG_CFG 0x1A
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#define ITG1010_REG_GYRO_CFG 0x1B /* full-scale range and sample rate, */
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#define ITG1010_REG_GYRO_XH 0x43
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#define ITG1010_REG_TEMPH 0x41
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#define ITG1010_REG_FIFO_CNTH 0x72
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#define ITG1010_REG_FIFO_CNTL 0x73
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#define ITG1010_REG_FIFO_DATA 0x74
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#define ITG1010_REG_FIFO_CTL 0x6A
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#define ITG1010_REG_PWR_CTL 0x6B
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#define ITG1010_REG_PWR_CTL2 0x6C
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/*ITG1010 Register Bit definitions*/
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#define ITG1010_FIFO_GYROX_EN 0x40 /* insert the X Gyro data into FIFO */
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#define ITG1010_FIFO_GYROY_EN 0x20 /* insert the Y Gyro data into FIFO */
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#define ITG1010_FIFO_GYROZ_EN 0x10 /* insert the Z Gyro data into FIFO */
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/* disable VDD level for the secondary I2C bus clock and data lines */
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#define ITG1010_AUX_VDDIO_DIS 0x00
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/* for ITG1010_REG_CFG */
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/* 0x05 //captue the state of external frame sync input pin to insert into
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* LSB of registers
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*/
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#define ITG1010_EXT_SYNC 0x03
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#define ITG1010_SYNC_GYROX 0x02
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/* for ITG1010_REG_GYRO_CFG */
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/* set the full-scale range of the gyro sensors */
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#define ITG1010_FS_RANGE 0x03
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#define ITG1010_FS_1000 0x02
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#define ITG1010_FS_1000_LSB 33
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#define ITG1010_FS_MAX_LSB 131
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#define ITG1010_RATE_1K_LPFB_188HZ 0x01
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#define ITG1010_RATE_1K_LPFB_256HZ 0x00
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#define ITG1010_FIFO_EN 0x40 /* enable FIFO operation for sensor data */
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#define ITG1010_FIFO_RST 0x40 /* reset FIFO function */
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#define ITG1010_SLEEP 0x40 /* enable low power sleep mode */
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#define ITG1010_SUCCESS 0
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#define ITG1010_ERR_I2C -1
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#define ITG1010_ERR_STATUS -3
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#define ITG1010_ERR_SETUP_FAILURE -4
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#define ITG1010_ERR_GETGSENSORDATA -5
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#define ITG1010_ERR_IDENTIFICATION -6
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#define ITG1010_GYRO_ODR_400HZ 0x0A
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#define ITG1010_GYRO_ODR_200HZ 0x0B
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#define ITG1010_GYRO_ODR_100HZ 0x0C
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#define ITG1010_BUFSIZE 60
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/* 1 rad = 180/PI degree, MAX_LSB = 131, */
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/* 180*131/PI = 7506 */
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#define DEGREE_TO_RAD 7506
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#ifdef CONFIG_CUSTOM_KERNEL_GYROSCOPE_MODULE
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extern bool gyro_success_Flag;
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#endif
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#endif /* ITG1010_H */
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