help
To have support for your specific gsesnor you will have to
select the proper drivers which depend on this option.
+
+config LSM330_ACC
+ bool "gsensor lsm330"
+ default y
+ help
+ To have support for your specific gsesnor you will have to
+ select the proper drivers which depend on this option.
+
endif
obj-$(CONFIG_GS_MC3230) += mc3230.o
obj-$(CONFIG_MPU6880_ACC) += mpu6880_acc.o
obj-$(CONFIG_MPU6500_ACC) += mpu6500_acc.o
+obj-$(CONFIG_LSM330_ACC) += lsm330_acc.o
\ No newline at end of file
--- /dev/null
+/*
+ * kernel/drivers/input/sensors/accel/lsm330_acc.c
+ *
+ * Copyright (C) 2012-2016 Rockchip Co.,Ltd.
+ * Author: Bin Yang <yangbin@rock-chips.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#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>
+
+/* Linear acceleration register */
+#define WHO_AM_I_A 0x0F
+#define OFF_X 0x10
+#define OFF_Y 0x11
+#define OFF_Z 0x12
+#define CS_X 0x13
+#define CS_Y 0x14
+#define CS_Z 0x15
+#define LC_L 0x16
+#define LC_H 0x17
+#define STAT 0x18
+#define VFC_1 0x1B
+#define VFC_2 0x1C
+#define VFC_3 0x1D
+#define VFC_4 0x1E
+#define THRS3 0x1F
+#define CTRL_REG2_A 0x21
+#define CTRL_REG3_A 0x22
+#define CTRL_REG4_A 0x23
+#define CTRL_REG5_A 0x20
+#define CTRL_REG6_A 0x24
+#define CTRL_REG7_A 0x25
+#define STATUS_REG_A 0x27
+#define OUT_X_L_A 0x28
+#define OUT_X_H_A 0x29
+#define OUT_Y_L_A 0x2A
+#define OUT_Y_H_A 0x2B
+#define OUT_Z_L_A 0x2C
+#define OUT_Z_H_A 0x2D
+#define FIFO_CTRL_REG 0x2E
+#define FIFO_SRC_REG 0x2F
+
+#define INT1_CFG_A 0x30
+#define INT1_SOURCE_A 0x31
+#define INT1_THS_A 0x32
+#define INT1_DURATION_A 0x33
+#define INT2_CFG_A 0x34
+#define INT2_SOURCE_A 0x35
+#define INT2_THS_A 0x36
+#define INT2_DURATION_A 0x37
+#define CLICK_CFG_A 0x38
+#define CLICK_SRC_A 0x39
+#define CLICK_THS_A 0x3A
+#define TIME_LIMIT_A 0x3B
+#define TIME_LATENCY_A 0x3C
+#define TIME_WINDOW_A 0x3D
+#define ACT_THS 0x3E
+#define ACT_DUR 0x3F
+
+#define LSM330_DEVICE_ID_A 0x40
+
+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;
+
+ sensor->ops->ctrl_data = sensor_read_reg(client, sensor->ops->ctrl_reg);
+ if (enable)
+ result = sensor_write_reg(client,
+ sensor->ops->ctrl_reg,
+ sensor->ops->ctrl_data | 0x07);
+ else
+ result = sensor_write_reg(client, sensor->ops->ctrl_reg, 0x00);
+
+ if (result)
+ dev_err(&client->dev, "%s:fail to active sensor\n", __func__);
+
+ DBG("%s:reg=0x%x,reg_ctrl=0x%x,enable=%d\n",
+ __func__,
+ sensor->ops->ctrl_reg,
+ sensor->ops->ctrl_data, enable);
+
+ return result;
+}
+
+static int sensor_init(struct i2c_client *client)
+{
+ struct sensor_private_data *sensor =
+ (struct sensor_private_data *)i2c_get_clientdata(client);
+ int result = 0;
+
+ result = sensor->ops->active(client, 0, 0);
+ if (result) {
+ dev_err(&client->dev, "%s:line=%d,error\n",
+ __func__, __LINE__);
+ return result;
+ }
+ sensor->status_cur = SENSOR_OFF;
+
+ result = sensor_write_reg(client, CTRL_REG4_A, 0xE8);
+ if (result) {
+ dev_err(&client->dev, "%s:fail to set CTRL_REG4_A.\n",
+ __func__);
+ return result;
+ }
+ /* Normal / Low power mode (1600 Hz) */
+ result = sensor_write_reg(client, CTRL_REG5_A, 0x90);
+ if (result) {
+ dev_err(&client->dev, "%s:fail to set CTRL_REG5_A.\n",
+ __func__);
+ return result;
+ }
+ result = sensor_write_reg(client, CTRL_REG6_A, 0x00);
+ if (result) {
+ dev_err(&client->dev, "%s:fail to set CTRL_REG6_A.\n",
+ __func__);
+ return result;
+ }
+ result = sensor_write_reg(client, CTRL_REG7_A, 0x00);
+ if (result) {
+ dev_err(&client->dev, "%s:fail to set CTRL_REG7_A.\n",
+ __func__);
+ return result;
+ }
+
+ return result;
+}
+
+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);
+
+ 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);
+ DBG("Gsensor x==%d y==%d z==%d\n", axis->x, axis->y, axis->z);
+
+ return 0;
+}
+
+#define GSENSOR_MIN 10
+
+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;
+ char buffer[6];
+ int ret = 0;
+ char value = 0;
+ struct sensor_axis axis;
+ short x, y, z;
+ unsigned char reg_buf = 0;
+ unsigned char i = 0;
+
+ if (sensor->ops->read_len < 6) {
+ dev_err(&client->dev, "%s:Read len is error,len=%d\n",
+ __func__,
+ sensor->ops->read_len);
+ return -1;
+ }
+ memset(buffer, 0, 6);
+
+ reg_buf = sensor->ops->read_reg;
+ for (i = 0; i < sensor->ops->read_len; i++) {
+ buffer[i] = sensor_read_reg(client, reg_buf);
+ reg_buf++;
+ }
+
+ x = ((buffer[1] << 8) & 0xFF00) + (buffer[0] & 0xFF);
+ y = ((buffer[3] << 8) & 0xFF00) + (buffer[2] & 0xFF);
+ z = ((buffer[5] << 8) & 0xFF00) + (buffer[4] & 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;
+
+ axis.x = 61 * axis.x;
+ axis.y = 61 * axis.y;
+ axis.z = 61 * axis.z;
+
+ if ((abs(sensor->axis.x - axis.x) > GSENSOR_MIN) ||
+ (abs(sensor->axis.y - axis.y) > GSENSOR_MIN) ||
+ (abs(sensor->axis.z - axis.z) > GSENSOR_MIN)) {
+ gsensor_report_value(client, &axis);
+ mutex_lock(&sensor->data_mutex);
+ sensor->axis = axis;
+ mutex_unlock(&sensor->data_mutex);
+ }
+
+ if (sensor->pdata->irq_enable) {
+ value = sensor_read_reg(client, sensor->ops->int_status_reg);
+ DBG("%s:gsensor int status :0x%x\n", __func__, value);
+ }
+
+ return ret;
+}
+
+struct sensor_operate gsensor_lsm330_ops = {
+ .name = "lsm330_acc",
+ .type = SENSOR_TYPE_ACCEL,
+ .id_i2c = ACCEL_ID_LSM330,
+ .read_reg = OUT_X_L_A,
+ .read_len = 6,
+ .id_reg = WHO_AM_I_A,
+ .id_data = LSM330_DEVICE_ID_A,
+ .precision = 16,
+ .ctrl_reg = CTRL_REG5_A,
+ .int_status_reg = STATUS_REG_A,
+ .range = {-0xffff, 0xffff},
+ .trig = IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ .active = sensor_active,
+ .init = sensor_init,
+ .report = sensor_report_value,
+};
+
+static struct sensor_operate *gsensor_get_ops(void)
+{
+ return &gsensor_lsm330_ops;
+}
+
+static int __init gsensor_lsm330_init(void)
+{
+ struct sensor_operate *ops = gsensor_get_ops();
+ int result = 0;
+ int type = ops->type;
+
+ result = sensor_register_slave(type, NULL, NULL, gsensor_get_ops);
+
+ return result;
+}
+
+static void __exit gsensor_lsm330_exit(void)
+{
+ struct sensor_operate *ops = gsensor_get_ops();
+ int type = ops->type;
+
+ sensor_unregister_slave(type, NULL, NULL, gsensor_get_ops);
+}
+
+module_init(gsensor_lsm330_init);
+module_exit(gsensor_lsm330_exit);
config GYRO_MPU6880
bool "gyroscope mpu6880_gyro"
default y
+
+config GYRO_LSM330
+ bool "gyroscope lsm330_gyro"
+ default y
endif
obj-$(CONFIG_GYRO_L3G4200D) += l3g4200d.o
obj-$(CONFIG_GYRO_L3G20D) += l3g20d.o
obj-$(CONFIG_GYRO_EWTSA) += ewtsa.o
-obj-$(CONFIG_GYRO_MPU6880) += mpu6880_gyro.o
\ No newline at end of file
+obj-$(CONFIG_GYRO_MPU6880) += mpu6880_gyro.o
+obj-$(CONFIG_GYRO_LSM330) += lsm330_gyro.o
\ No newline at end of file
--- /dev/null
+/*
+ * kernel/drivers/input/sensors/accel/lsm330_gyro.c
+ *
+ * Copyright (C) 2012-2016 Rockchip Co.,Ltd.
+ * Author: Bin Yang <yangbin@rock-chips.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#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>
+
+/* Angular rate sensor register */
+#define WHO_AM_I_G 0x0F
+#define CTRL_REG1_G 0x20
+#define CTRL_REG2_G 0x21
+#define CTRL_REG3_G 0x22
+#define CTRL_REG4_G 0x23
+#define CTRL_REG5_G 0x24
+#define REFERENCE_G 0x25
+#define OUT_TEMP_G 0x26
+#define STATUS_REG_G 0x27
+#define OUT_X_L_G 0x28
+#define OUT_X_H_G 0x29
+#define OUT_Y_L_G 0x2A
+#define OUT_Y_H_G 0x2B
+#define OUT_Z_L_G 0x2C
+#define OUT_Z_H_G 0x2D
+#define FIFO_CTRL_REG_G 0x2E
+#define FIFO_SRC_REG_G 0x2F
+#define INT1_CFG_G 0x30
+#define INT1_SRC_G 0x31
+#define INT1_TSH_XH_G 0x32
+#define INT1_TSH_XL_G 0x33
+#define INT1_TSH_YH_G 0x34
+#define INT1_TSH_YL_G 0x35
+#define INT1_TSH_ZH_G 0x36
+#define INT1_TSH_ZL_G 0x37
+#define INT1_DURATION_G 0x38
+
+#define LSM330_DEVICE_ID_G 0xD4
+
+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;
+
+ sensor->ops->ctrl_data = sensor_read_reg(client, sensor->ops->ctrl_reg);
+ if (enable)
+ result = sensor_write_reg(client,
+ sensor->ops->ctrl_reg,
+ sensor->ops->ctrl_data | 0x0F);
+ else
+ result = sensor_write_reg(client,
+ sensor->ops->ctrl_reg,
+ 0x00);
+
+ if (result)
+ dev_err(&client->dev, "%s:fail to active sensor\n", __func__);
+
+ DBG("%s:reg=0x%x,reg_ctrl=0x%x,enable=%d\n",
+ __func__,
+ sensor->ops->ctrl_reg,
+ sensor->ops->ctrl_data, enable);
+
+ return result;
+}
+
+static int sensor_init(struct i2c_client *client)
+{
+ struct sensor_private_data *sensor =
+ (struct sensor_private_data *)i2c_get_clientdata(client);
+ int result = 0;
+
+ result = sensor->ops->active(client, 0, 0);
+ if (result) {
+ dev_err(&client->dev,
+ "%s:line=%d,error\n",
+ __func__,
+ __LINE__);
+ return result;
+ }
+ sensor->status_cur = SENSOR_OFF;
+
+ /*ODR: 760Hz, Cut-off: 100Hz*/
+ result = sensor_write_reg(client, CTRL_REG1_G, 0xF0);
+ if (result) {
+ dev_err(&client->dev,
+ "%s:fail to set CTRL_REG1_A.\n",
+ __func__);
+ return result;
+ }
+ result = sensor_write_reg(client, CTRL_REG3_G, 0x80);
+ if (result) {
+ dev_err(&client->dev,
+ "%s:fail to set CTRL_REG3_G.\n",
+ __func__);
+ return result;
+ }
+ /*Full-scale selection: 2000dps*/
+ result = sensor_write_reg(client, CTRL_REG4_G, 0x30);
+ if (result) {
+ dev_err(&client->dev,
+ "%s:fail to set CTRL_REG4_G.\n",
+ __func__);
+ return result;
+ }
+ result = sensor_write_reg(client, INT1_CFG_G, 0x7F);
+ if (result) {
+ dev_err(&client->dev, "%s:fail to set INT1_CFG_G.\n", __func__);
+ return result;
+ }
+
+ return result;
+}
+
+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);
+
+ 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);
+ DBG("gyro x==%d y==%d z==%d\n", axis->x, axis->y, axis->z);
+
+ 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;
+ char buffer[6];
+ int ret = 0;
+ char value = 0;
+ struct sensor_axis axis;
+ short x, y, z;
+ unsigned char reg_buf = 0;
+ unsigned char i = 0;
+
+ if (sensor->ops->read_len < 6) {
+ dev_err(&client->dev, "%s:Read len is error,len=%d\n",
+ __func__,
+ sensor->ops->read_len);
+ return -1;
+ }
+ memset(buffer, 0, 6);
+
+ reg_buf = sensor->ops->read_reg;
+ for (i = 0; i < sensor->ops->read_len; i++) {
+ buffer[i] = sensor_read_reg(client, reg_buf);
+ reg_buf++;
+ }
+
+ x = ((buffer[1] << 8) & 0xFF00) + (buffer[0] & 0xFF);
+ y = ((buffer[3] << 8) & 0xFF00) + (buffer[2] & 0xFF);
+ z = ((buffer[5] << 8) & 0xFF00) + (buffer[4] & 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;
+
+ axis.x = (axis.x * 872) / 1000;
+ axis.y = (axis.y * 872) / 1000;
+ axis.z = (axis.z * 872) / 1000;
+
+ if ((abs(axis.x) > pdata->x_min) ||
+ (abs(axis.y) > pdata->y_min) ||
+ (abs(axis.z) > pdata->z_min)) {
+ gyro_report_value(client, &axis);
+ mutex_lock(&sensor->data_mutex);
+ sensor->axis = axis;
+ mutex_unlock(&sensor->data_mutex);
+ }
+
+ if (sensor->pdata->irq_enable) {
+ value = sensor_read_reg(client, sensor->ops->int_status_reg);
+ DBG("%s:gyro int status :0x%x\n", __func__, value);
+ }
+
+ return ret;
+}
+
+struct sensor_operate gyro_lsm330_ops = {
+ .name = "lsm330_gyro",
+ .type = SENSOR_TYPE_GYROSCOPE,
+ .id_i2c = GYRO_ID_LSM330,
+ .read_reg = OUT_X_L_G,
+ .read_len = 6,
+ .id_reg = WHO_AM_I_G,
+ .id_data = LSM330_DEVICE_ID_G,
+ .precision = 16,
+ .ctrl_reg = CTRL_REG1_G,
+ .int_status_reg = INT1_SRC_G,
+ .range = {-0xffff, 0xffff},
+ .trig = IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ .active = sensor_active,
+ .init = sensor_init,
+ .report = sensor_report_value,
+};
+
+static struct sensor_operate *gyro_get_ops(void)
+{
+ return &gyro_lsm330_ops;
+}
+
+static int __init gyro_lsm330_init(void)
+{
+ struct sensor_operate *ops = gyro_get_ops();
+ int result = 0;
+ int type = ops->type;
+
+ result = sensor_register_slave(type, NULL, NULL, gyro_get_ops);
+
+ return result;
+}
+
+static void __exit gyro_lsm330_exit(void)
+{
+ struct sensor_operate *ops = gyro_get_ops();
+ int type = ops->type;
+
+ sensor_unregister_slave(type, NULL, NULL, gyro_get_ops);
+}
+
+module_init(gyro_lsm330_init);
+module_exit(gyro_lsm330_exit);
{"gs_mc3230",ACCEL_ID_MC3230},\r
{"mpu6880_acc",ACCEL_ID_MPU6880},\r
{"mpu6500_acc",ACCEL_ID_MPU6500},\r
+ {"lsm330_acc", ACCEL_ID_LSM330},
/*compass*/\r
{"compass", COMPASS_ID_ALL},\r
{"ak8975", COMPASS_ID_AK8975}, \r
{"ewtsa_gyro", GYRO_ID_EWTSA},\r
{"k3g", GYRO_ID_K3G},\r
{"mpu6880_gyro",GYRO_ID_MPU6880},\r
+ {"lsm330_gyro", GYRO_ID_LSM330},
/*light sensor*/\r
{"lightsensor", LIGHT_ID_ALL}, \r
{"light_cm3217", LIGHT_ID_CM3217},\r
{ .compatible = "gs_mma7660" },\r
{ .compatible = "gs_mxc6225" },\r
{ .compatible = "gs_mc3230" },\r
- \r
+ { .compatible = "lsm330_acc" },
/*compass*/\r
{ .compatible = "ak8975" },\r
{ .compatible = "ak8963" },\r
{ .compatible = "l3g20d_gyro" },\r
{ .compatible = "ewtsa_gyro" },\r
{ .compatible = "k3g" },\r
- \r
+ { .compatible = "lsm330_gyro" },
\r
/*light sensor*/\r
{ .compatible = "light_cm3217" },\r
ACCEL_ID_MC3230,
ACCEL_ID_MPU6880,
ACCEL_ID_MPU6500,
+ ACCEL_ID_LSM330,
COMPASS_ID_ALL,
COMPASS_ID_AK8975,
COMPASS_ID_AK8963,
GYRO_ID_EWTSA,
GYRO_ID_K3G,
GYRO_ID_MPU6880,
+ GYRO_ID_LSM330,
LIGHT_ID_ALL,
LIGHT_ID_CM3217,
LIGHT_ID_CM3218,
projects / firefly-linux-kernel-4.4.55.git / commitdiff