diff options
Diffstat (limited to 'driver/accelgyro_icm426xx.h')
| -rw-r--r-- | driver/accelgyro_icm426xx.h | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/driver/accelgyro_icm426xx.h b/driver/accelgyro_icm426xx.h deleted file mode 100644 index bcda1174b2..0000000000 --- a/driver/accelgyro_icm426xx.h +++ /dev/null @@ -1,267 +0,0 @@ -/* Copyright 2020 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* ICM-426xx accelerometer and gyroscope for Chrome EC */ - -#ifndef __CROS_EC_ACCELGYRO_ICM426XX_H -#define __CROS_EC_ACCELGYRO_ICM426XX_H - -#include "accelgyro.h" -#include "common.h" - -/* - * 7-bit address is 110100Xb. Where 'X' is determined - * by the logic level on pin AP_AD0. - */ -#define ICM426XX_ADDR0_FLAGS 0x68 -#define ICM426XX_ADDR1_FLAGS 0x69 - -/* Min and Max sampling frequency in mHz */ -#define ICM426XX_ACCEL_MIN_FREQ 3125 -#define ICM426XX_ACCEL_MAX_FREQ MOTION_MAX_SENSOR_FREQUENCY(500000, 100000) -#define ICM426XX_GYRO_MIN_FREQ 12500 -#define ICM426XX_GYRO_MAX_FREQ MOTION_MAX_SENSOR_FREQUENCY(4000000, 100000) - -/* Min and Max Accel FS in G */ -#define ICM426XX_ACCEL_FS_MIN_VAL 2 -#define ICM426XX_ACCEL_FS_MAX_VAL 16 - -/* Min and Max Gyro FS in dps */ -#define ICM426XX_GYRO_FS_MIN_VAL 125 -#define ICM426XX_GYRO_FS_MAX_VAL 2000 - -/* accel stabilization time in us */ -#define ICM426XX_ACCEL_START_TIME 20000 -#define ICM426XX_ACCEL_STOP_TIME 0 - -/* gyro stabilization time in us */ -#define ICM426XX_GYRO_START_TIME 60000 -#define ICM426XX_GYRO_STOP_TIME 150000 - -/* Reg value from Accel FS in G */ -#define ICM426XX_ACCEL_FS_TO_REG(_fs) ((_fs) < 2 ? 3 : \ - (_fs) > 16 ? 0 : \ - 3 - __fls((_fs) / 2)) - -/* Accel FSR in G from Reg value */ -#define ICM426XX_ACCEL_REG_TO_FS(_reg) ((1 << (3 - (_reg))) * 2) - -/* Reg value from Gyro FS in dps */ -#define ICM426XX_GYRO_FS_TO_REG(_fs) ((_fs) < 125 ? 4 : \ - (_fs) > 2000 ? 0 : \ - 4 - __fls((_fs) / 125)) - -/* Gyro FSR in dps from Reg value */ -#define ICM426XX_GYRO_REG_TO_FS(_reg) ((1 << (4 - (_reg))) * 125) - -/* Reg value from ODR in mHz */ -#define ICM426XX_ODR_TO_REG(_odr) ((_odr) <= 200000 ? \ - 13 - __fls((_odr) / 3125) : \ - (_odr) < 500000 ? 7 : \ - (_odr) < 1000000 ? 15 : \ - 6 - __fls((_odr) / 1000000)) - -/* ODR in mHz from Reg value */ -#define ICM426XX_REG_TO_ODR(_reg) ((_reg) == 15 ? 500000 : \ - (_reg) >= 7 ? \ - (1 << (13 - (_reg))) * 3125 : \ - (1 << (6 - (_reg))) * 1000000) - -/* Reg value for the next higher ODR */ -#define ICM426XX_ODR_REG_UP(_reg) ((_reg) == 15 ? 6 : \ - (_reg) == 7 ? 15 : \ - (_reg) - 1) - -/* - * Register addresses are virtual address on 16 bits. - * MSB is coding register bank and LSB real register address. - * ex: bank 4, register 1F => 0x041F - */ -#define ICM426XX_REG_DEVICE_CONFIG 0x0011 -#define ICM426XX_SOFT_RESET_CONFIG BIT(0) - -enum icm426xx_slew_rate { - ICM426XX_SLEW_RATE_20NS_60NS, - ICM426XX_SLEW_RATE_12NS_36NS, - ICM426XX_SLEW_RATE_6NS_18NS, - ICM426XX_SLEW_RATE_4NS_12NS, - ICM426XX_SLEW_RATE_2NS_6NS, - ICM426XX_SLEW_RATE_INF_2NS, -}; -#define ICM426XX_REG_DRIVE_CONFIG 0x0013 -#define ICM426XX_DRIVE_CONFIG_MASK GENMASK(5, 0) -#define ICM426XX_I2C_SLEW_RATE(_s) (((_s) & 0x07) << 3) -#define ICM426XX_SPI_SLEW_RATE(_s) ((_s) & 0x07) - -/* default int configuration is pulsed mode, open drain, and active low */ -#define ICM426XX_REG_INT_CONFIG 0x0014 -#define ICM426XX_INT2_LATCHED BIT(5) -#define ICM426XX_INT2_PUSH_PULL BIT(4) -#define ICM426XX_INT2_ACTIVE_HIGH BIT(3) -#define ICM426XX_INT1_LATCHED BIT(2) -#define ICM426XX_INT1_PUSH_PULL BIT(1) -#define ICM426XX_INT1_ACTIVE_HIGH BIT(0) - -#define ICM426XX_REG_FIFO_CONFIG 0x0016 -#define ICM426XX_FIFO_MODE_BYPASS (0x00 << 6) -#define ICM426XX_FIFO_MODE_STREAM (0x01 << 6) -#define ICM426XX_FIFO_MODE_STOP_FULL (0x02 << 6) - -/* data are 16 bits */ -#define ICM426XX_REG_TEMP_DATA 0x001D -/* X + Y + Z: 3 * 16 bits */ -#define ICM426XX_REG_ACCEL_DATA_XYZ 0x001F -#define ICM426XX_REG_GYRO_DATA_XYZ 0x0025 - -#define ICM426XX_INVALID_DATA -32768 - -#define ICM426XX_REG_INT_STATUS 0x002D -#define ICM426XX_UI_FSYNC_INT BIT(6) -#define ICM426XX_PLL_RDY_INT BIT(5) -#define ICM426XX_RESET_DONE_INT BIT(4) -#define ICM426XX_DATA_RDY_INT BIT(3) -#define ICM426XX_FIFO_THS_INT BIT(2) -#define ICM426XX_FIFO_FULL_INT BIT(1) -#define ICM426XX_AGC_RDY_INT BIT(0) - -/* FIFO count is 16 bits */ -#define ICM426XX_REG_FIFO_COUNT 0x002E -#define ICM426XX_REG_FIFO_DATA 0x0030 - -#define ICM426XX_REG_SIGNAL_PATH_RESET 0x004B -#define ICM426XX_ABORT_AND_RESET BIT(3) -#define ICM426XX_TMST_STROBE BIT(2) -#define ICM426XX_FIFO_FLUSH BIT(1) - -#define ICM426XX_REG_INTF_CONFIG0 0x004C -#define ICM426XX_DATA_CONF_MASK GENMASK(7, 4) -#define ICM426XX_FIFO_HOLD_LAST_DATA BIT(7) -#define ICM426XX_FIFO_COUNT_REC BIT(6) -#define ICM426XX_FIFO_COUNT_BE BIT(5) -#define ICM426XX_SENSOR_DATA_BE BIT(4) -#define ICM426XX_UI_SIFS_CFG_MASK GENMASK(1, 0) -#define ICM426XX_UI_SIFS_CFG_SPI_DIS 0x02 -#define ICM426XX_UI_SIFS_CFG_I2C_DIS 0x03 - -#define ICM426XX_REG_INTF_CONFIG1 0x004D -#define ICM426XX_ACCEL_LP_CLK_SEL BIT(3) - -enum icm426xx_sensor_mode { - ICM426XX_MODE_OFF, - ICM426XX_MODE_STANDBY, - ICM426XX_MODE_LOW_POWER, - ICM426XX_MODE_LOW_NOISE, -}; -#define ICM426XX_REG_PWR_MGMT0 0x004E -#define ICM426XX_TEMP_DIS BIT(5) -#define ICM426XX_IDLE BIT(4) -#define ICM426XX_GYRO_MODE_MASK GENMASK(3, 2) -#define ICM426XX_GYRO_MODE(_m) (((_m) & 0x03) << 2) -#define ICM426XX_ACCEL_MODE_MASK GENMASK(1, 0) -#define ICM426XX_ACCEL_MODE(_m) ((_m) & 0x03) - -#define ICM426XX_REG_GYRO_CONFIG0 0x004F -#define ICM426XX_REG_ACCEL_CONFIG0 0x0050 -#define ICM426XX_FS_MASK GENMASK(7, 5) -#define ICM426XX_FS_SEL(_fs) (((_fs) & 0x07) << 5) -#define ICM426XX_ODR_MASK GENMASK(3, 0) -#define ICM426XX_ODR(_odr) ((_odr) & 0x0F) - -enum icm426xx_filter_bw { - /* low noise mode */ - ICM426XX_FILTER_BW_ODR_DIV_2 = 0, - - /* low power mode */ - ICM426XX_FILTER_BW_AVG_1X = 1, - ICM426XX_FILTER_BW_AVG_16X = 6, -}; - -#define ICM426XX_REG_GYRO_ACCEL_CONFIG0 0x0052 -#define ICM426XX_ACCEL_UI_FILT_MASK GENMASK(7, 4) -#define ICM426XX_ACCEL_UI_FILT_BW(_f) (((_f) & 0x0F) << 4) -#define ICM426XX_GYRO_UI_FILT_MASK GENMASK(3, 0) -#define ICM426XX_GYRO_UI_FILT_BW(_f) ((_f) & 0x0F) - -#define ICM426XX_REG_FIFO_CONFIG1 0x005F -#define ICM426XX_FIFO_PARTIAL_READ BIT(6) -#define ICM426XX_FIFO_WM_GT_TH BIT(5) -#define ICM426XX_FIFO_EN_MASK GENMASK(3, 0) -#define ICM426XX_FIFO_TMST_FSYNC_EN BIT(3) -#define ICM426XX_FIFO_TEMP_EN BIT(2) -#define ICM426XX_FIFO_GYRO_EN BIT(1) -#define ICM426XX_FIFO_ACCEL_EN BIT(0) - -/* FIFO watermark value is 16 bits little endian */ -#define ICM426XX_REG_FIFO_WATERMARK 0x0060 - -#define ICM426XX_REG_INT_CONFIG1 0x0064 -#define ICM426XX_INT_PULSE_DURATION BIT(6) -#define ICM426XX_INT_TDEASSERT_DIS BIT(5) -#define ICM426XX_INT_ASYNC_RESET BIT(4) - -#define ICM426XX_REG_INT_SOURCE0 0x0065 -#define ICM426XX_UI_FSYNC_INT1_EN BIT(6) -#define ICM426XX_PLL_RDY_INT1_EN BIT(5) -#define ICM426XX_RESET_DONE_INT1_EN BIT(4) -#define ICM426XX_UI_DRDY_INT1_EN BIT(3) -#define ICM426XX_FIFO_THS_INT1_EN BIT(2) -#define ICM426XX_FIFO_FULL_INT1_EN BIT(1) -#define ICM426XX_UI_AGC_RDY_INT1_EN BIT(0) - -#define ICM426XX_REG_INT_SOURCE3 0x0068 -#define ICM426XX_UI_FSYNC_INT2_EN BIT(6) -#define ICM426XX_PLL_RDY_INT2_EN BIT(5) -#define ICM426XX_RESET_DONE_INT2_EN BIT(4) -#define ICM426XX_UI_DRDY_INT2_EN BIT(3) -#define ICM426XX_FIFO_THS_INT2_EN BIT(2) -#define ICM426XX_FIFO_FULL_INT2_EN BIT(1) -#define ICM426XX_UI_AGC_RDY_INT2_EN BIT(0) - -#define ICM426XX_REG_WHO_AM_I 0x0075 -#define ICM426XX_CHIP_ICM40608 0x39 -#define ICM426XX_CHIP_ICM42605 0x42 - -#define ICM426XX_REG_BANK_SEL 0x0076 -#define ICM426XX_BANK_SEL(_b) ((_b) & 0x07) - -#define ICM426XX_REG_INTF_CONFIG4 0x017A -#define ICM426XX_I3C_BUS_MODE BIT(6) -#define ICM426XX_SPI_AP_4WIRE BIT(1) - -#define ICM426XX_REG_INTF_CONFIG5 0x017B -#define ICM426XX_PIN9_FUNC_INT2 (0x00 << 1) -#define ICM426XX_PIN9_FUNC_FSYNC (0x01 << 1) - -#define ICM426XX_REG_INTF_CONFIG6 0x017C -#define ICM426XX_INTF_CONFIG6_MASK GENMASK(4, 0) -#define ICM426XX_I3C_EN BIT(4) -#define ICM426XX_I3C_IBI_BYTE_EN BIT(3) -#define ICM426XX_I3C_IBI_EN BIT(2) -#define ICM426XX_I3C_DDR_EN BIT(1) -#define ICM426XX_I3C_SDR_EN BIT(0) - -#define ICM426XX_REG_INT_SOURCE8 0x044F -#define ICM426XX_FSYNC_IBI_EN BIT(5) -#define ICM426XX_PLL_RDY_IBI_EN BIT(4) -#define ICM426XX_UI_DRDY_IBI_EN BIT(3) -#define ICM426XX_FIFO_THS_IBI_EN BIT(2) -#define ICM426XX_FIFO_FULL_IBI_EN BIT(1) -#define ICM426XX_AGC_RDY_IBI_EN BIT(0) - -#define ICM426XX_REG_OFFSET_USER0 0x0477 -#define ICM426XX_REG_OFFSET_USER1 0x0478 -#define ICM426XX_REG_OFFSET_USER2 0x0479 -#define ICM426XX_REG_OFFSET_USER3 0x047A -#define ICM426XX_REG_OFFSET_USER4 0x047B -#define ICM426XX_REG_OFFSET_USER5 0x047C -#define ICM426XX_REG_OFFSET_USER6 0x047D -#define ICM426XX_REG_OFFSET_USER7 0x047E -#define ICM426XX_REG_OFFSET_USER8 0x047F - -extern const struct accelgyro_drv icm426xx_drv; - -void icm426xx_interrupt(enum gpio_signal signal); - -#endif /* __CROS_EC_ACCELGYRO_ICM426XX_H */ |