armbian/linux-rockchip
0
0
Fork 0
mirror of https://github.com/armbian/linux-rockchip.git synced 2026-01-06 11:08:10 -08:00
Code Issues Packages Projects Releases Wiki Activity

input: sensor: accel/gyro sensor: support iam20680.

Browse Source 
Signed-off-by: Jason Song <sxj@rock-chips.com>
Change-Id: Iec153c5f151d887f8810d54e5ae4c9fbef8a3c57
This commit is contained in:
Jason Song
2023-07-19 12:35:13 +08:00
parent ec02244c43
commit ebdfd241b5
8 changed files with 701 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/input/sensors/accel/Kconfig
View File

@@ -158,4 +158,11 @@ config ICM2060X_ACC
To have support for your specific gsesnor you will have to
select the proper drivers which depend on this option.
config IAM20680_ACC
tristate "gsensor iam20680"
default n
help
To have support for your specific gsesnor you will have to
select the proper drivers which depend on this option.
endif

1
drivers/input/sensors/accel/Makefile
View File

@@ -22,3 +22,4 @@ obj-$(CONFIG_GS_DA223) += da223.o
obj-$(CONFIG_GS_DA228E) += da228e/
obj-$(CONFIG_ICM2060X_ACC) += icm2060x_acc.o
da223-y := da223_cust.o da223_core.o
obj-$(CONFIG_IAM20680_ACC) += iam20680_acc.o

239
drivers/input/sensors/accel/iam20680_acc.c Normal file
View File

@@ -0,0 +1,239 @@
// SPDX-License-Identifier: GPL-2.0
/*
* accel driver for iam20680
*
* Copyright (c) 2021 Rockchip Electronics Co., Ltd.
*
* Author: sxj <sxj@rock-chips.com>
*
*/
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/irq.h>
#include <linux/miscdevice.h>
#include <linux/gpio.h>
#include <linux/uaccess.h>
#include <linux/atomic.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/workqueue.h>
#include <linux/freezer.h>
#include <linux/of_gpio.h>
#ifdef CONFIG_HAS_EARLYSUSPEND
#include <linux/earlysuspend.h>
#endif
#include <linux/sensor-dev.h>
#include <linux/iam20680.h>
static int iam20680_set_rate(struct i2c_client *client, int rate)
{
/* always use poll mode, no need to set rate */
return 0;
}
static int sensor_active(struct i2c_client *client, int enable, int rate)
{
struct sensor_private_data *sensor =
(struct sensor_private_data *) i2c_get_clientdata(client);
int result = 0;
int status = 0;
u8 pwrm1 = 0;
sensor->ops->ctrl_data = sensor_read_reg(client, sensor->ops->ctrl_reg);
pwrm1 = sensor_read_reg(client, IAM20680_PWR_MGMT_1);
if (!enable) {
status = BIT_ACCEL_STBY;
sensor->ops->ctrl_data |= status;
if ((sensor->ops->ctrl_data & BIT_GYRO_STBY) == BIT_GYRO_STBY)
pwrm1 |= IAM20680_PWRM1_SLEEP;
} else {
status = ~BIT_ACCEL_STBY;
sensor->ops->ctrl_data &= status;
pwrm1 &= ~IAM20680_PWRM1_SLEEP;
iam20680_set_rate(client, rate);
}
result = sensor_write_reg(client, sensor->ops->ctrl_reg, sensor->ops->ctrl_data);
if (result) {
dev_err(&client->dev, "%s:fail to set pwrm2\n", __func__);
return -1;
}
msleep(20);
result = sensor_write_reg(client, IAM20680_PWR_MGMT_1, pwrm1);
if (result) {
dev_err(&client->dev, "%s:fail to set pwrm1\n", __func__);
return -1;
}
msleep(50);
return result;
}
static int sensor_init(struct i2c_client *client)
{
int res = 0;
struct sensor_private_data *sensor =
(struct sensor_private_data *) i2c_get_clientdata(client);
res = sensor_write_reg(client, IAM20680_PWR_MGMT_1, 0x80);
if (res) {
dev_err(&client->dev, "set IAM20680_PWR_MGMT_1 error,res: %d!\n", res);
return res;
}
msleep(40);
res = sensor_write_reg(client, IAM20680_GYRO_CONFIG, 0x18);
if (res) {
dev_err(&client->dev, "set IAM20680_GYRO_CONFIG error,res: %d!\n", res);
return res;
}
msleep(10);
res = sensor_write_reg(client, IAM20680_ACCEL_CONFIG, 0x00);
if (res) {
dev_err(&client->dev, "set IAM20680_ACCEL_CONFIG error,res: %d!\n", res);
return res;
}
msleep(10);
res = sensor_write_reg(client, IAM20680_ACCEL_CONFIG2, 0x00);
if (res) {
dev_err(&client->dev, "set IAM20680_ACCEL_CONFIG2 error,res: %d!\n", res);
return res;
}
res = sensor_write_reg(client, IAM20680_PWR_MGMT_2, 0x3F);
if (res) {
dev_err(&client->dev, "set IAM20680_PWR_MGMT_2 error,res: %d!\n", res);
return res;
}
msleep(10);
res = sensor_write_reg(client, IAM20680_PWR_MGMT_1, 0x41);
if (res) {
dev_err(&client->dev, "set IAM20680_PWR_MGMT_1 error,res: %d!\n", res);
return res;
}
msleep(10);
res = sensor->ops->active(client, 0, sensor->pdata->poll_delay_ms);
if (res) {
dev_err(&client->dev, "%s:line=%d,error\n", __func__, __LINE__);
return res;
}
return res;
}
static int gsensor_report_value(struct i2c_client *client, struct sensor_axis *axis)
{
struct sensor_private_data *sensor =
(struct sensor_private_data *) i2c_get_clientdata(client);
if (sensor->status_cur == SENSOR_ON) {
/* Report acceleration sensor information */
input_report_abs(sensor->input_dev, ABS_X, axis->x);
input_report_abs(sensor->input_dev, ABS_Y, axis->y);
input_report_abs(sensor->input_dev, ABS_Z, axis->z);
input_sync(sensor->input_dev);
}
return 0;
}
static int sensor_report_value(struct i2c_client *client)
{
struct sensor_private_data *sensor =
(struct sensor_private_data *) i2c_get_clientdata(client);
struct sensor_platform_data *pdata = sensor->pdata;
int ret = 0;
short x, y, z;
struct sensor_axis axis;
u8 buffer[6] = {0};
if (sensor->ops->read_len < 6) {
dev_err(&client->dev, "%s: length is error, len=%d\n",
__func__, sensor->ops->read_len);
return -1;
}
memset(buffer, 0, 6);
/* Data bytes from hardware xL, xH, yL, yH, zL, zH */
do {
*buffer = sensor->ops->read_reg;
ret = sensor_rx_data(client, buffer, sensor->ops->read_len);
if (ret < 0)
return ret;
} while (0);
x = ((buffer[0] << 8) & 0xff00) + (buffer[1] & 0xFF);
y = ((buffer[2] << 8) & 0xff00) + (buffer[3] & 0xFF);
z = ((buffer[4] << 8) & 0xff00) + (buffer[5] & 0xFF);
axis.x = (pdata->orientation[0]) * x + (pdata->orientation[1]) * y + (pdata->orientation[2]) * z;
axis.y = (pdata->orientation[3]) * x + (pdata->orientation[4]) * y + (pdata->orientation[5]) * z;
axis.z = (pdata->orientation[6]) * x + (pdata->orientation[7]) * y + (pdata->orientation[8]) * z;
gsensor_report_value(client, &axis);
mutex_lock(&(sensor->data_mutex));
sensor->axis = axis;
mutex_unlock(&(sensor->data_mutex));
return ret;
}
static struct sensor_operate gsensor_iam20680_ops = {
.name = "iam20680_acc",
.type = SENSOR_TYPE_ACCEL,
.id_i2c = ACCEL_ID_IAM20680,
.read_reg = IAM20680_ACCEL_XOUT_H,
.read_len = 6,
.id_reg = IAM20680_WHOAMI,
.id_data = IAM20680_DEVICE_ID,
.precision = IAM20680_PRECISION,
.ctrl_reg = IAM20680_PWR_MGMT_2,
.int_status_reg = IAM20680_INT_STATUS,
.range = {-32768, 32768},
.trig = IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
.active = sensor_active,
.init = sensor_init,
.report = sensor_report_value,
};
/****************operate according to sensor chip:end************/
static int gsensor_iam20680_probe(struct i2c_client *client,
const struct i2c_device_id *devid)
{
return sensor_register_device(client, NULL, devid, &gsensor_iam20680_ops);
}
static int gsensor_iam20680_remove(struct i2c_client *client)
{
return sensor_unregister_device(client, NULL, &gsensor_iam20680_ops);
}
static const struct i2c_device_id gsensor_iam20680_id[] = {
{"iam20680_acc", ACCEL_ID_IAM20680},
{}
};
static struct i2c_driver gsensor_iam20680_driver = {
.probe = gsensor_iam20680_probe,
.remove = gsensor_iam20680_remove,
.shutdown = sensor_shutdown,
.id_table = gsensor_iam20680_id,
.driver = {
.name = "gsensor_iam20680",
#ifdef CONFIG_PM
.pm = &sensor_pm_ops,
#endif
},
};
module_i2c_driver(gsensor_iam20680_driver);
MODULE_AUTHOR("sxj <sxj@rock-chips.com>");
MODULE_DESCRIPTION("iam20680_acc 3-Axis accelerometer driver");
MODULE_LICENSE("GPL");

7
drivers/input/sensors/gyro/Kconfig
View File

@@ -39,4 +39,11 @@ config GYRO_LSM330
config GYRO_ICM2060X
tristate "gyroscope icm2060x_gyro"
config GYRO_IAM20680
tristate "gyroscope iam20680_gyro"
default n
help
To have support for your specific gyroscope you will have to
select the proper drivers which depend on this option.
endif

1
drivers/input/sensors/gyro/Makefile
View File

@@ -9,3 +9,4 @@ obj-$(CONFIG_GYRO_MPU6500) += mpu6500_gyro.o
obj-$(CONFIG_GYRO_MPU6880) += mpu6880_gyro.o
obj-$(CONFIG_GYRO_LSM330) += lsm330_gyro.o
obj-$(CONFIG_GYRO_ICM2060X) += icm2060x_gyro.o
obj-$(CONFIG_GYRO_IAM20680) += iam20680_gyro.o

206
drivers/input/sensors/gyro/iam20680_gyro.c Normal file
View File

@@ -0,0 +1,206 @@
// SPDX-License-Identifier: GPL-2.0
/*
* gyroscope driver for iam20680
*
* Copyright (c) 2021 Rockchip Electronics Co., Ltd.
*
* Author: sxj <sxj@rock-chips.com>
*
*/
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/irq.h>
#include <linux/miscdevice.h>
#include <linux/gpio.h>
#include <linux/uaccess.h>
#include <linux/atomic.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/workqueue.h>
#include <linux/freezer.h>
#include <linux/of_gpio.h>
#ifdef CONFIG_HAS_EARLYSUSPEND
#include <linux/earlysuspend.h>
#endif
#include <linux/sensor-dev.h>
#include <linux/iam20680.h>
static int sensor_active(struct i2c_client *client, int enable, int rate)
{
struct sensor_private_data *sensor =
(struct sensor_private_data *) i2c_get_clientdata(client);
int result = 0;
int status = 0;
u8 pwrm1 = 0;
sensor->ops->ctrl_data = sensor_read_reg(client, sensor->ops->ctrl_reg);
pwrm1 = sensor_read_reg(client, IAM20680_PWR_MGMT_1);
if (!enable) {
status = BIT_GYRO_STBY;
sensor->ops->ctrl_data |= status;
if ((sensor->ops->ctrl_data & BIT_ACCEL_STBY) == BIT_ACCEL_STBY)
pwrm1 |= IAM20680_PWRM1_SLEEP;
} else {
status = ~BIT_GYRO_STBY;
sensor->ops->ctrl_data &= status;
pwrm1 &= ~IAM20680_PWRM1_SLEEP;
}
result = sensor_write_reg(client, sensor->ops->ctrl_reg, sensor->ops->ctrl_data);
if (result) {
dev_err(&client->dev, "%s:fail to active sensor\n", __func__);
return -1;
}
msleep(20);
result = sensor_write_reg(client, IAM20680_PWR_MGMT_1, pwrm1);
if (result) {
dev_err(&client->dev, "%s:fail to set pwrm1\n", __func__);
return -1;
}
msleep(50);
return result;
}
static int sensor_init(struct i2c_client *client)
{
int ret;
struct sensor_private_data *sensor =
(struct sensor_private_data *) i2c_get_clientdata(client);
/* init on iam20680_acc.c */
ret = sensor->ops->active(client, 0, sensor->pdata->poll_delay_ms);
if (ret) {
dev_err(&client->dev, "%s:line=%d,error\n", __func__, __LINE__);
return ret;
}
return ret;
}
static int gyro_report_value(struct i2c_client *client, struct sensor_axis *axis)
{
struct sensor_private_data *sensor =
(struct sensor_private_data *) i2c_get_clientdata(client);
if (sensor->status_cur == SENSOR_ON) {
/* Report gyro sensor information */
input_report_rel(sensor->input_dev, ABS_RX, axis->x);
input_report_rel(sensor->input_dev, ABS_RY, axis->y);
input_report_rel(sensor->input_dev, ABS_RZ, axis->z);
input_sync(sensor->input_dev);
}
return 0;
}
static int sensor_report_value(struct i2c_client *client)
{
struct sensor_private_data *sensor =
(struct sensor_private_data *) i2c_get_clientdata(client);
struct sensor_platform_data *pdata = sensor->pdata;
int ret = 0;
short x, y, z;
struct sensor_axis axis;
u8 buffer[6] = {0};
if (sensor->ops->read_len < 6) {
dev_err(&client->dev, "%s: length is error, len=%d\n",
__func__, sensor->ops->read_len);
return -1;
}
memset(buffer, 0, 6);
do {
*buffer = sensor->ops->read_reg;
ret = sensor_rx_data(client, buffer, sensor->ops->read_len);
if (ret < 0)
return ret;
} while (0);
x = ((buffer[0] << 8) & 0xFF00) + (buffer[1] & 0xFF);
y = ((buffer[2] << 8) & 0xFF00) + (buffer[3] & 0xFF);
z = ((buffer[4] << 8) & 0xFF00) + (buffer[5] & 0xFF);
axis.x = (pdata->orientation[0]) * x + (pdata->orientation[1]) * y + (pdata->orientation[2]) * z;
axis.y = (pdata->orientation[3]) * x + (pdata->orientation[4]) * y + (pdata->orientation[5]) * z;
axis.z = (pdata->orientation[6]) * x + (pdata->orientation[7]) * y + (pdata->orientation[8]) * z;
gyro_report_value(client, &axis);
mutex_lock(&(sensor->data_mutex));
sensor->axis = axis;
mutex_unlock(&(sensor->data_mutex));
return ret;
}
static struct sensor_operate gyro_iam20680_ops = {
.name = "iam20680_gyro",
.type = SENSOR_TYPE_GYROSCOPE,
.id_i2c = GYRO_ID_IAM20680,
.read_reg = IAM20680_GYRO_XOUT_H,
.read_len = 6,
.id_reg = IAM20680_WHOAMI,
.id_data = IAM20680_DEVICE_ID,
.precision = IAM20680_PRECISION,
.ctrl_reg = IAM20680_PWR_MGMT_2,
.int_status_reg = IAM20680_INT_STATUS,
.range = {-32768, 32768},
.trig = IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
.active = sensor_active,
.init = sensor_init,
.report = sensor_report_value,
};
/****************operate according to sensor chip:end************/
static int gyro_iam20680_probe(struct i2c_client *client,
const struct i2c_device_id *devid)
{
return sensor_register_device(client, NULL, devid, &gyro_iam20680_ops);
}
static int gyro_iam20680_remove(struct i2c_client *client)
{
return sensor_unregister_device(client, NULL, &gyro_iam20680_ops);
}
static const struct i2c_device_id gyro_iam20680_id[] = {
{"iam20680_gyro", GYRO_ID_IAM20680},
{}
};
static struct i2c_driver gyro_iam20680_driver = {
.probe = gyro_iam20680_probe,
.remove = gyro_iam20680_remove,
.shutdown = sensor_shutdown,
.id_table = gyro_iam20680_id,
.driver = {
.name = "gyro_iam20680",
#ifdef CONFIG_PM
.pm = &sensor_pm_ops,
#endif
},
};
static int __init gyro_iam20680_init(void)
{
return i2c_add_driver(&gyro_iam20680_driver);
}
static void __exit gyro_iam20680_exit(void)
{
i2c_del_driver(&gyro_iam20680_driver);
}
/* must register after iam20680_acc */
device_initcall_sync(gyro_iam20680_init);
module_exit(gyro_iam20680_exit);
MODULE_AUTHOR("sxj <sxj@rock-chips.com>");
MODULE_DESCRIPTION("iam20680_gyro 3-Axis Gyroscope driver");
MODULE_LICENSE("GPL");

238
include/linux/iam20680.h Normal file
View File

@@ -0,0 +1,238 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2021 Rockchip Electronics Co., Ltd.
*/
#ifndef __IAM20680_H
#define __IAM20680_H
#include <linux/ioctl.h>
/**add***/
#define IAM20680_PRECISION 16
#define IAM20680_RANGE 2000000
#define IAM20680_SMPLRT_DIV 0x19
#define IAM20680_CONFIG 0x1A
#define IAM20680_GYRO_CONFIG 0x1B
#define IAM20680_ACCEL_CONFIG 0x1C
#define IAM20680_ACCEL_CONFIG2 0x1D
#define IAM20680_LP_ACCEL_ODR 0x1E
#define IAM20680_WOM_THRESH 0x1F
#define IAM20680_FIFO_EN 0x23
#define IAM20680_INT_PIN_CFG 0x37
#define IAM20680_INT_ENABLE 0x38
#define IAM20680_DMP_INT_STATUS 0x39
#define IAM20680_INT_STATUS 0x3A
#define IAM20680_ACCEL_XOUT_H 0x3B
#define IAM20680_TEMP_OUT_H 0x41
#define IAM20680_GYRO_XOUT_H 0x43
#define IAM20680_ACCEL_INTEL_CTRL 0x69
#define IAM20680_USER_CTRL 0x6A
#define IAM20680_PWR_MGMT_1 0x6B
#define IAM20680_PWR_MGMT_2 0x6C
#define IAM20680_PRGM_STRT_ADDRH 0x70
#define IAM20680_FIFO_COUNTH 0x72
#define IAM20680_FIFO_R_W 0x74
#define IAM20680_WHOAMI 0x75
#define IAM20680_DEVICE_ID 0xA9
/*
* IAM20680_CONFIG
*/
#define DLPF_CFG_250HZ 0x00
#define DLPF_CFG_184HZ 0x01
#define DLPF_CFG_98HZ 0x02
#define DLPF_CFG_41HZ 0x03
#define DLPF_CFG_20HZ 0x04
#define DLPF_CFG_10HZ 0x05
#define DLPF_CFG_5HZ 0x06
#define DLPF_CFG_3600HZ 0x07
#define EXT_SYNC_SET_TEMP 0x08
#define EXT_SYNC_SET_GYRO_X 0x10
#define EXT_SYNC_SET_GYRO_Y 0x18
#define EXT_SYNC_SET_GYRO_Z 0x20
#define EXT_SYNC_SET_ACCEL_X 0x28
#define EXT_SYNC_SET_ACCEL_Y 0x30
#define EXT_SYNC_SET_ACCEL_Z 0x38
/*
* IAM20680_GYRO_CONFIG
*/
#define GFSR_250DPS (0<<3)
#define GFSR_500DPS (1<<3)
#define GFSR_1000DPS (2<<3)
#define GFSR_2000DPS (3<<3)
/*
* IAM20680_ACCEL_CONFIG
*/
#define AFSR_2G (0<<3)
#define AFSR_4G (1<<3)
#define AFSR_8G (2<<3)
#define AFSR_16G (3<<3)
/*
* IAM20680_ACCEL_CONFIG2
*/
#define A_DLPF_CFG_460HZ 0x00
#define A_DLPF_CFG_184HZ 0x01
#define A_DLPF_CFG_92HZ 0x02
#define A_DLPF_CFG_41HZ 0x03
#define A_DLPF_CFG_20HZ 0x04
#define A_DLPF_CFG_10HZ 0x05
#define A_DLPF_CFG_5HZ 0x06
//#define A_DLPF_CFG_460HZ 0x07
#define BIT_FIFO_SIZE_1K 0x40
#define BIT_ACCEL_FCHOICE_B 0x08
/*
* IAM20680_LP_ACCEL_ODR
*/
#define LPA_CLK_P24HZ 0x0
#define LPA_CLK_P49HZ 0x1
#define LPA_CLK_P98HZ 0x2
#define LPA_CLK_1P95HZ 0x3
#define LPA_CLK_3P91HZ 0x4
#define LPA_CLK_7P81HZ 0x5
#define LPA_CLK_15P63HZ 0x6
#define LPA_CLK_31P25HZ 0x7
#define LPA_CLK_62P50HZ 0x8
#define LPA_CLK_125HZ 0x9
#define LPA_CLK_250HZ 0xa
#define LPA_CLK_500HZ 0xb
/*
* IAM20680_PWR_MGMT_1
*/
#define BIT_H_RESET (1<<7)
#define BIT_SLEEP (1<<6)
#define BIT_CYCLE (1<<5)
#define BIT_GYRO_STANDBY (1<<4)
#define BIT_PD_PTAT (1<<3)
#define BIT_CLKSEL (1<<0)
#define CLKSEL_INTERNAL 0
#define CLKSEL_PLL 1
/*
* IAM20680_PWR_MGMT_2
*/
#define BIT_ACCEL_STBY 0x38
#define BIT_GYRO_STBY 0x07
#define BITS_LPA_WAKE_CTRL 0xC0
#define BITS_LPA_WAKE_1HZ 0x00
#define BITS_LPA_WAKE_2HZ 0x40
#define BITS_LPA_WAKE_20HZ 0x80
#define IAM20680_PWRM1_SLEEP 0x40
#define IAM20680_PWRM1_GYRO_STANDBY 0x10
#define IAM20680_PWRM2_ACCEL_DISABLE 0x38
#define IAM20680_PWRM2_GYRO_DISABLE 0x07
/*
* IAM20680_ACCEL_INTEL_CTRL
*/
#define BIT_ACCEL_INTEL_EN 0x80
#define BIT_ACCEL_INTEL_MODE 0x40
/*
* IAM20680_USER_CTRL
*/
#define BIT_FIFO_RST 0x04
#define BIT_DMP_RST 0x08
#define BIT_I2C_MST_EN 0x20
#define BIT_FIFO_EN 0x40
#define BIT_DMP_EN 0x80
/*
* IAM20680_FIFO_EN
*/
#define BIT_ACCEL_OUT 0x08
#define BITS_GYRO_OUT 0x70
/*
* IAM20680_INT_PIN_CFG
*/
#define BIT_BYPASS_EN 0x2
/*
* IAM20680_INT_EN/INT_STATUS
*/
#define BIT_FIFO_OVERLOW 0x80
#define BIT_MOT_INT 0x40
#define BIT_MPU_RDY 0x04
#define BIT_DMP_INT 0x02
#define BIT_RAW_RDY 0x01
#define DMP_START_ADDR 0x400
#define AXIS_NUM 3
#define AXIS_ADC_BYTE 2
#define SENSOR_PACKET (AXIS_NUM * AXIS_ADC_BYTE)
/*
* self-test parameter
*/
#define DEF_ST_PRECISION 1000
#define DEF_ST_IAM20680_ACCEL_LPF 2
#define DEF_STABLE_TIME_ST 50
#define DEF_SELFTEST_GYRO_FS (0 << 3)
#define DEF_SELFTEST_ACCEL_FS (2 << 3)
#define DEF_SELFTEST_6500_ACCEL_FS (0 << 3)
#define DEF_SW_SELFTEST_GYRO_FS GFSR_2000DPS
#define DEF_SW_SELFTEST_SENSITIVITY ((2000*DEF_ST_PRECISION)/32768)
#define DEF_SW_SELFTEST_SAMPLE_COUNT 75
#define DEF_SW_SELFTEST_SAMPLE_TIME 75
#define DEF_SW_ACCEL_CAL_SAMPLE_TIME 50
#define DEF_SW_SKIP_COUNT 10
#define DEF_ST_6500_STABLE_TIME 20
#define BYTES_PER_SENSOR (6)
#define DEF_SELFTEST_SAMPLE_RATE 0
#define DEF_GYRO_WAIT_TIME 50
#define THREE_AXIS (3)
#define INIT_ST_SAMPLES 200
#define FIFO_COUNT_BYTE (2)
#define DEF_ST_TRY_TIMES 2
#define REG_6500_XG_ST_DATA 0x0
#define REG_6500_XA_ST_DATA 0xD
#define BITS_SELF_TEST_EN 0xE0
#define DEF_ST_SCALE (1L << 15)
/*---- IAM20680 Self Test Pass/Fail Criteria ----*/
/* Gyro Offset Max Value (dps) */
#define DEF_GYRO_OFFSET_MAX 20
/* Gyro Self Test Absolute Limits ST_AL (dps) */
#define DEF_GYRO_ST_AL 60
/* Accel Self Test Absolute Limits ST_AL (mg) */
#define DEF_ACCEL_ST_AL_MIN 225
#define DEF_ACCEL_ST_AL_MAX 675
#define DEF_6500_ACCEL_ST_SHIFT_DELTA 500
#define DEF_6500_GYRO_CT_SHIFT_DELTA 500
#define DEF_ST_IAM20680_ACCEL_LPF 2
#define DEF_ST_6500_ACCEL_FS_MG 2000UL
#define DEF_SELFTEST_6500_ACCEL_FS (0 << 3)
#define DEF_SELFTEST_GYRO_SENS (32768 / 250)
#define GSENSOR_DEV_PATH "/dev/mma8452_daemon"
#endif

2
include/linux/sensor-dev.h
View File

@@ -69,6 +69,7 @@ enum sensor_id {
ACCEL_ID_ICM2060X,
ACCEL_ID_DA215S,
ACCEL_ID_DA228E,
ACCEL_ID_IAM20680,
COMPASS_ID_ALL,
COMPASS_ID_AK8975,
COMPASS_ID_AK8963,
@@ -95,6 +96,7 @@ enum sensor_id {
GYRO_ID_MPU6880,
GYRO_ID_LSM330,
GYRO_ID_ICM2060X,
GYRO_ID_IAM20680,
LIGHT_ID_ALL,
LIGHT_ID_CM3217,
LIGHT_ID_CM3218,