From: ywj <ywj@rockchip.com>
Date: Thu, 16 Aug 2012 09:59:08 +0000 (+0800)
Subject: merge new gsensor driver
X-Git-Tag: firefly_0821_release~8922
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=333cf5284c70ab75389875bb5169926d748d4cc4;p=firefly-linux-kernel-4.4.55.git
merge new gsensor driver
---
333cf5284c70ab75389875bb5169926d748d4cc4
diff --cc drivers/input/sensors/accel/kxtik.c
index e9c5a754985d,d251f44c0a8b..3a014208704d
--- a/drivers/input/sensors/accel/kxtik.c
+++ b/drivers/input/sensors/accel/kxtik.c
@@@ -1,334 -1,267 +1,334 @@@
-/* drivers/input/sensors/access/kxtik.c
- *
- * Copyright (C) 2012-2015 ROCKCHIP.
- * Author: luowei <lw@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 <asm/uaccess.h>
-#include <asm/atomic.h>
-#include <linux/delay.h>
-#include <linux/input.h>
-#include <linux/workqueue.h>
-#include <linux/freezer.h>
-#include <mach/gpio.h>
-#include <mach/board.h>
-#ifdef CONFIG_HAS_EARLYSUSPEND
-#include <linux/earlysuspend.h>
-#endif
-#include <linux/kxtik.h>
-#include <linux/sensor-dev.h>
-
-#if 0
-#define SENSOR_DEBUG_TYPE SENSOR_TYPE_ACCEL
-#define DBG(x...) if(sensor->pdata->type == SENSOR_DEBUG_TYPE) printk(x)
-#else
-#define DBG(x...)
-#endif
-
-
-
-/****************operate according to sensor chip:start************/
-
-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;
-
- sensor->ops->ctrl_data = sensor_read_reg(client, sensor->ops->ctrl_reg);
-
- //register setting according to chip datasheet
- if(enable)
- {
- status = KXTIK_ENABLE; //kxtik
- sensor->ops->ctrl_data |= status;
- }
- else
- {
- status = ~KXTIK_ENABLE; //kxtik
- sensor->ops->ctrl_data &= status;
- }
-
- DBG("%s:reg=0x%x,reg_ctrl=0x%x,enable=%d\n",__func__,sensor->ops->ctrl_reg, sensor->ops->ctrl_data, enable);
- result = sensor_write_reg(client, sensor->ops->ctrl_reg, sensor->ops->ctrl_data);
- if(result)
- printk("%s:fail to active sensor\n",__func__);
-
- 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)
- {
- printk("%s:line=%d,error\n",__func__,__LINE__);
- return result;
- }
-
- sensor->status_cur = SENSOR_OFF;
-
- result = sensor_write_reg(client, KXTIK_DATA_CTRL_REG, KXTIK_ODR400F);
- if(result)
- {
- printk("%s:line=%d,error\n",__func__,__LINE__);
- return result;
- }
-
- if(sensor->pdata->irq_enable) //open interrupt
- {
- result = sensor_write_reg(client, KXTIK_INT_CTRL_REG1, 0x34);//enable int,active high,need read INT_REL
- if(result)
- {
- printk("%s:line=%d,error\n",__func__,__LINE__);
- return result;
- }
- }
-
- sensor->ops->ctrl_data = (KXTIK_RES_12BIT | KXTIK_G_2G);
- result = sensor_write_reg(client, sensor->ops->ctrl_reg, sensor->ops->ctrl_data);
- if(result)
- {
- printk("%s:line=%d,error\n",__func__,__LINE__);
- return result;
- }
-
- return result;
-}
-
-static int sensor_convert_data(struct i2c_client *client, char high_byte, char low_byte)
-{
- s64 result;
- struct sensor_private_data *sensor =
- (struct sensor_private_data *) i2c_get_clientdata(client);
- //int precision = sensor->ops->precision;
- switch (sensor->devid) {
- case KXTIK_DEVID:
- result = (((int)high_byte << 8) | ((int)low_byte ))>>4;
- if (result < KXTIK_BOUNDARY)
- result = result* KXTIK_GRAVITY_STEP;
- else
- result = ~( ((~result & (0x7fff>>(16-KXTIK_PRECISION)) ) + 1)
- * KXTIK_GRAVITY_STEP) + 1;
- break;
-
- default:
- printk(KERN_ERR "%s: devid wasn't set correctly\n",__func__);
- return -EFAULT;
- }
-
- return (int)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);
-
- /* 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);
- 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;
- int ret = 0;
- int x,y,z;
- struct sensor_axis axis;
- char buffer[6] = {0};
- char value = 0;
-
- if(sensor->ops->read_len < 6) //sensor->ops->read_len = 6
- {
- printk("%s:lenth 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);
-
- //this gsensor need 6 bytes buffer
- x = sensor_convert_data(sensor->client, buffer[1], buffer[0]); //buffer[1]:high bit
- y = sensor_convert_data(sensor->client, buffer[3], buffer[2]);
- z = sensor_convert_data(sensor->client, buffer[5], buffer[4]);
-
- 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;
-
- DBG( "%s: axis = %d %d %d \n", __func__, axis.x, axis.y, axis.z);
-
- //Report event only while value is changed to save some power
- 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);
-
- /* »¥³âµØ»º´æÊý¾Ý. */
- mutex_lock(&(sensor->data_mutex) );
- sensor->axis = axis;
- mutex_unlock(&(sensor->data_mutex) );
- }
-
- if((sensor->pdata->irq_enable)&& (sensor->ops->int_status_reg >= 0)) //read sensor intterupt status register
- {
-
- value = sensor_read_reg(client, sensor->ops->int_status_reg);
- DBG("%s:sensor int status :0x%x\n",__func__,value);
- }
-
- return ret;
-}
-
-struct sensor_operate gsensor_kxtik_ops = {
- .name = "kxtik",
- .type = SENSOR_TYPE_ACCEL, //sensor type and it should be correct
- .id_i2c = ACCEL_ID_KXTIK, //i2c id number
- .read_reg = KXTIK_XOUT_L, //read data
- .read_len = 6, //data length
- .id_reg = KXTIK_WHO_AM_I, //read device id from this register
- .id_data = KXTIK_DEVID, //device id
- .precision = KXTIK_PRECISION, //12 bits
- .ctrl_reg = KXTIK_CTRL_REG1, //enable or disable
- .int_status_reg = KXTIK_INT_REL, //intterupt status register
- .range = {-KXTIK_RANGE,KXTIK_RANGE}, //range
- .trig = IRQF_TRIGGER_LOW|IRQF_ONESHOT,
- .active = sensor_active,
- .init = sensor_init,
- .report = sensor_report_value,
-};
-
-/****************operate according to sensor chip:end************/
-
-//function name should not be changed
-static struct sensor_operate *gsensor_get_ops(void)
-{
- return &gsensor_kxtik_ops;
-}
-
-
-static int __init gsensor_kxtik_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);
- printk("%s\n",__func__);
- return result;
-}
-
-static void __exit gsensor_kxtik_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_kxtik_init);
-module_exit(gsensor_kxtik_exit);
-
-
+/* drivers/input/sensors/access/kxtik.c
+ *
+ * Copyright (C) 2012-2015 ROCKCHIP.
+ * Author: luowei <lw@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 <asm/uaccess.h>
+#include <asm/atomic.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/workqueue.h>
+#include <linux/freezer.h>
+#include <mach/gpio.h>
+#include <mach/board.h>
+#ifdef CONFIG_HAS_EARLYSUSPEND
+#include <linux/earlysuspend.h>
+#endif
+#include <linux/kxtik.h>
+#include <linux/sensor-dev.h>
+
+#if 0
+#define SENSOR_DEBUG_TYPE SENSOR_TYPE_ACCEL
+#define DBG(x...) if(sensor->pdata->type == SENSOR_DEBUG_TYPE) printk(x)
+#else
+#define DBG(x...)
+#endif
+
- struct i2c_client *this_client=NULL;
++struct i2c_client *kxtik_client=NULL;
+static struct class *sensor_class = NULL;
+
+static ssize_t sensor_setoratitention(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int i=0;
+ char gsensororatation[20];
+
+ struct sensor_private_data *sensor =
- (struct sensor_private_data *) i2c_get_clientdata(this_client);
++ (struct sensor_private_data *) i2c_get_clientdata(kxtik_client);
+ struct sensor_platform_data *pdata = sensor->pdata;
+
+
+ char *p = strstr(buf,"gsensor");
+ int start = strcspn(p,"{");
+ int end = strcspn(p,"}");
+
+ strncpy(gsensororatation,p+start,end-start+1);
+ char *tmp=gsensororatation;
+
+
+ while(strncmp(tmp,"}",1)!=0)
+ {
+ if((strncmp(tmp,",",1)==0)||(strncmp(tmp,"{",1)==0))
+ {
+
+ tmp++;
+ continue;
+ }
+ else if(strncmp(tmp,"-",1)==0)
+ {
+ pdata->orientation[i++]=-1;
+ DBG("i=%d,data=%d\n",i,pdata->orientation[i]);
+ tmp++;
+ }
+ else
+ {
+ pdata->orientation[i++]=tmp[0]-48;
+ DBG("----i=%d,data=%d\n",i,pdata->orientation[i]);
+ }
+ tmp++;
+
+
+ }
+
+ for(i=0;i<9;i++)
+ DBG("i=%d gsensor_info=%d\n",i,pdata->orientation[i]);
+ return 0;
+
+}
+
+static CLASS_ATTR(oratiention, 0777, NULL,sensor_setoratitention);
+
+static int sensor_sys_init(void)
+{
+ int ret ;
+ sensor_class = class_create(THIS_MODULE, "gsensor");
+ ret = class_create_file(sensor_class, &class_attr_oratiention);
+ if (ret)
+ {
+ printk("Fail to creat class oratiention.\n");
+ }
+ return 0;
+}
+
++
+/****************operate according to sensor chip:start************/
+
+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;
+
+ sensor->ops->ctrl_data = sensor_read_reg(client, sensor->ops->ctrl_reg);
+
+ //register setting according to chip datasheet
+ if(enable)
+ {
+ status = KXTIK_ENABLE; //kxtik
+ sensor->ops->ctrl_data |= status;
+ }
+ else
+ {
+ status = ~KXTIK_ENABLE; //kxtik
+ sensor->ops->ctrl_data &= status;
+ }
+
+ DBG("%s:reg=0x%x,reg_ctrl=0x%x,enable=%d\n",__func__,sensor->ops->ctrl_reg, sensor->ops->ctrl_data, enable);
+ result = sensor_write_reg(client, sensor->ops->ctrl_reg, sensor->ops->ctrl_data);
+ if(result)
+ printk("%s:fail to active sensor\n",__func__);
+
+ 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)
+ {
+ printk("%s:line=%d,error\n",__func__,__LINE__);
+ return result;
+ }
- this_client = client;
+
++ kxtik_client=client;
+ sensor->status_cur = SENSOR_OFF;
+
+ result = sensor_write_reg(client, KXTIK_DATA_CTRL_REG, KXTIK_ODR400F);
+ if(result)
+ {
+ printk("%s:line=%d,error\n",__func__,__LINE__);
+ return result;
+ }
+
+ if(sensor->pdata->irq_enable) //open interrupt
+ {
+ result = sensor_write_reg(client, KXTIK_INT_CTRL_REG1, 0x34);//enable int,active high,need read INT_REL
+ if(result)
+ {
+ printk("%s:line=%d,error\n",__func__,__LINE__);
+ return result;
+ }
+ }
+
+ sensor->ops->ctrl_data = (KXTIK_RES_12BIT | KXTIK_G_2G);
+ result = sensor_write_reg(client, sensor->ops->ctrl_reg, sensor->ops->ctrl_data);
+ if(result)
+ {
+ printk("%s:line=%d,error\n",__func__,__LINE__);
+ return result;
+ }
-
++
+ sensor_sys_init();
++
+ return result;
+}
+
+static int sensor_convert_data(struct i2c_client *client, char high_byte, char low_byte)
+{
+ s64 result;
+ struct sensor_private_data *sensor =
+ (struct sensor_private_data *) i2c_get_clientdata(client);
+ //int precision = sensor->ops->precision;
+ switch (sensor->devid) {
+ case KXTIK_DEVID:
+ result = (((int)high_byte << 8) | ((int)low_byte ))>>4;
+ if (result < KXTIK_BOUNDARY)
+ result = result* KXTIK_GRAVITY_STEP;
+ else
+ result = ~( ((~result & (0x7fff>>(16-KXTIK_PRECISION)) ) + 1)
+ * KXTIK_GRAVITY_STEP) + 1;
+ break;
+
+ default:
+ printk(KERN_ERR "%s: devid wasn't set correctly\n",__func__);
+ return -EFAULT;
+ }
+
+ return (int)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);
+
+ /* 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);
+ 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;
+ int ret = 0;
+ int x,y,z;
+ struct sensor_axis axis;
+ char buffer[6] = {0};
+ char value = 0;
+
+ if(sensor->ops->read_len < 6) //sensor->ops->read_len = 6
+ {
+ printk("%s:lenth 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);
+
+ //this gsensor need 6 bytes buffer
+ x = sensor_convert_data(sensor->client, buffer[1], buffer[0]); //buffer[1]:high bit
+ y = sensor_convert_data(sensor->client, buffer[3], buffer[2]);
+ z = sensor_convert_data(sensor->client, buffer[5], buffer[4]);
+
+ 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;
+
+ DBG( "%s: axis = %d %d %d \n", __func__, axis.x, axis.y, axis.z);
+
+ //Report event only while value is changed to save some power
+ 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);
+
+ /* »¥³âµØ»º´æÊý¾Ý. */
+ mutex_lock(&(sensor->data_mutex) );
+ sensor->axis = axis;
+ mutex_unlock(&(sensor->data_mutex) );
+ }
+
+ if((sensor->pdata->irq_enable)&& (sensor->ops->int_status_reg >= 0)) //read sensor intterupt status register
+ {
+
+ value = sensor_read_reg(client, sensor->ops->int_status_reg);
+ DBG("%s:sensor int status :0x%x\n",__func__,value);
+ }
+
+ return ret;
+}
+
- struct sensor_operate gsensor_ops = {
++struct sensor_operate gsensor_kxtik_ops = {
+ .name = "kxtik",
+ .type = SENSOR_TYPE_ACCEL, //sensor type and it should be correct
+ .id_i2c = ACCEL_ID_KXTIK, //i2c id number
+ .read_reg = KXTIK_XOUT_L, //read data
+ .read_len = 6, //data length
+ .id_reg = KXTIK_WHO_AM_I, //read device id from this register
+ .id_data = KXTIK_DEVID, //device id
+ .precision = KXTIK_PRECISION, //12 bits
+ .ctrl_reg = KXTIK_CTRL_REG1, //enable or disable
+ .int_status_reg = KXTIK_INT_REL, //intterupt status register
+ .range = {-KXTIK_RANGE,KXTIK_RANGE}, //range
+ .trig = IRQF_TRIGGER_LOW|IRQF_ONESHOT,
+ .active = sensor_active,
+ .init = sensor_init,
+ .report = sensor_report_value,
+};
+
+/****************operate according to sensor chip:end************/
+
+//function name should not be changed
- struct sensor_operate *gsensor_get_ops(void)
++static struct sensor_operate *gsensor_get_ops(void)
+{
- return &gsensor_ops;
++ return &gsensor_kxtik_ops;
+}
+
- EXPORT_SYMBOL(gsensor_get_ops);
+
- static int __init gsensor_init(void)
++static int __init gsensor_kxtik_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);
+ printk("%s\n",__func__);
+ return result;
+}
+
- static void __exit gsensor_exit(void)
++static void __exit gsensor_kxtik_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_init);
- module_exit(gsensor_exit);
-
++module_init(gsensor_kxtik_init);
++module_exit(gsensor_kxtik_exit);
+
diff --cc drivers/input/sensors/accel/lis3dh.c
index 2dcea964c28f,8ce14bbe6cd6..7d6852271abc
--- a/drivers/input/sensors/accel/lis3dh.c
+++ b/drivers/input/sensors/accel/lis3dh.c
@@@ -1,412 -1,344 +1,412 @@@
-/* drivers/input/sensors/access/kxtik.c
- *
- * Copyright (C) 2012-2015 ROCKCHIP.
- * Author: luowei <lw@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 <asm/uaccess.h>
-#include <asm/atomic.h>
-#include <linux/delay.h>
-#include <linux/input.h>
-#include <linux/workqueue.h>
-#include <linux/freezer.h>
-#include <mach/gpio.h>
-#include <mach/board.h>
-#ifdef CONFIG_HAS_EARLYSUSPEND
-#include <linux/earlysuspend.h>
-#endif
-#include <linux/sensor-dev.h>
-
-#if 0
-#define SENSOR_DEBUG_TYPE SENSOR_TYPE_ACCEL
-#define DBG(x...) if(sensor->pdata->type == SENSOR_DEBUG_TYPE) printk(x)
-#else
-#define DBG(x...)
-#endif
-
-#define LIS3DH_INT_COUNT (0x0E)
-#define LIS3DH_WHO_AM_I (0x0F)
-
-/* full scale setting - register & mask */
-#define LIS3DH_TEMP_CFG_REG (0x1F)
-#define LIS3DH_CTRL_REG1 (0x20)
-#define LIS3DH_CTRL_REG2 (0x21)
-#define LIS3DH_CTRL_REG3 (0x22)
-#define LIS3DH_CTRL_REG4 (0x23)
-#define LIS3DH_CTRL_REG5 (0x24)
-#define LIS3DH_CTRL_REG6 (0x25)
-#define LIS3DH_REFERENCE (0x26)
-#define LIS3DH_STATUS_REG (0x27)
-#define LIS3DH_OUT_X_L (0x28)
-#define LIS3DH_OUT_X_H (0x29)
-#define LIS3DH_OUT_Y_L (0x2a)
-#define LIS3DH_OUT_Y_H (0x2b)
-#define LIS3DH_OUT_Z_L (0x2c)
-#define LIS3DH_OUT_Z_H (0x2d)
-#define LIS3DH_FIFO_CTRL_REG (0x2E)
-
-#define LIS3DH_INT1_CFG (0x30)
-#define LIS3DH_INT1_SRC (0x31)
-#define LIS3DH_INT1_THS (0x32)
-#define LIS3DH_INT1_DURATION (0x33)
-
-#define LIS3DH_DEVID (0x33) //chip id
-#define LIS3DH_ACC_DISABLE (0x08)
-
-#define LIS3DH_RANGE 2000000
-
-/* LIS3DH */
-#define LIS3DH_PRECISION 16
-#define LIS3DH_BOUNDARY (0x1 << (LIS3DH_PRECISION - 1))
-#define LIS3DH_GRAVITY_STEP (LIS3DH_RANGE / LIS3DH_BOUNDARY)
-
-#define ODR1 0x10 /* 1Hz output data rate */
-#define ODR10 0x20 /* 10Hz output data rate */
-#define ODR25 0x30 /* 25Hz output data rate */
-#define ODR50 0x40 /* 50Hz output data rate */
-#define ODR100 0x50 /* 100Hz output data rate */
-#define ODR200 0x60 /* 200Hz output data rate */
-#define ODR400 0x70 /* 400Hz output data rate */
-#define ODR1250 0x90 /* 1250Hz output data rate */
-
-
-
-struct sensor_reg_data {
- char reg;
- char data;
-};
-
-
-/****************operate according to sensor chip:start************/
-
-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;
-
- sensor->ops->ctrl_data = sensor_read_reg(client, sensor->ops->ctrl_reg);
-
- sensor->ops->ctrl_data |= ODR100; //100HZ,if 0 then power down
-
- //register setting according to chip datasheet
- if(!enable)
- {
- status = LIS3DH_ACC_DISABLE; //lis3dh
- sensor->ops->ctrl_data |= status;
- }
- else
- {
- status = ~LIS3DH_ACC_DISABLE; //lis3dh
- sensor->ops->ctrl_data &= status;
- }
-
- DBG("%s:reg=0x%x,reg_ctrl=0x%x,enable=%d\n",__func__,sensor->ops->ctrl_reg, sensor->ops->ctrl_data, enable);
- result = sensor_write_reg(client, sensor->ops->ctrl_reg, sensor->ops->ctrl_data);
- if(result)
- printk("%s:fail to active sensor\n",__func__);
-
- 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;
- int i;
- struct sensor_reg_data reg_data[] =
- {
- {LIS3DH_CTRL_REG2,0X00},
- {LIS3DH_CTRL_REG4,0x08}, //High resolution output mode: 1, Normal mode
- {LIS3DH_CTRL_REG6,0x40},
- {LIS3DH_TEMP_CFG_REG,0x00}, //
- {LIS3DH_FIFO_CTRL_REG,0x00}, //
- {LIS3DH_INT1_CFG,0xFF}, //6 direction position recognition
- {LIS3DH_INT1_THS,0x7F}, //Interrupt 1 threshold
- {LIS3DH_INT1_DURATION,0x7F}, //Duration value 0x00->ox7f
- };
-
- result = sensor->ops->active(client,0,0);
- if(result)
- {
- printk("%s:line=%d,error\n",__func__,__LINE__);
- return result;
- }
-
- sensor->status_cur = SENSOR_OFF;
-
- for(i=0;i<(sizeof(reg_data)/sizeof(struct sensor_reg_data));i++)
- {
- result = sensor_write_reg(client, reg_data[i].reg, reg_data[i].data);
- if(result)
- {
- printk("%s:line=%d,i=%d,error\n",__func__,__LINE__,i);
- return result;
- }
- }
-
-
- if(sensor->pdata->irq_enable)
- {
-
- result = sensor_write_reg(client, LIS3DH_CTRL_REG3, 0x40);//I1_AOI1 =1 if motion
- if(result)
- {
- printk("%s:line=%d,error\n",__func__,__LINE__);
- return result;
- }
-
- result = sensor_write_reg(client, LIS3DH_CTRL_REG5, 0x08);
- if(result)
- {
- printk("%s:line=%d,error\n",__func__,__LINE__);
- return result;
- }
-
- }
-
- return result;
-}
-
-static int sensor_convert_data(struct i2c_client *client, char high_byte, char low_byte)
-{
- s64 result;
- struct sensor_private_data *sensor =
- (struct sensor_private_data *) i2c_get_clientdata(client);
- //int precision = sensor->ops->precision;
- switch (sensor->devid) {
- case LIS3DH_DEVID:
- result = ((int)high_byte << 8) | (int)low_byte;
- if (result < LIS3DH_BOUNDARY)
- result = result* LIS3DH_GRAVITY_STEP;
- else
- result = ~( ((~result & (0x7fff>>(16-LIS3DH_PRECISION)) ) + 1)
- * LIS3DH_GRAVITY_STEP) + 1;
- break;
-
- default:
- printk(KERN_ERR "%s: devid wasn't set correctly\n",__func__);
- return -EFAULT;
- }
-
- return (int)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);
-
- /* 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);
- 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;
- int ret = 0;
- int x,y,z;
- struct sensor_axis axis;
- char buffer[6] = {0};
- char value = 0;
-
- if(sensor->ops->read_len < 6) //sensor->ops->read_len = 6
- {
- printk("%s:lenth is error,len=%d\n",__func__,sensor->ops->read_len);
- return -1;
- }
-
- memset(buffer, 0, 6);
-
- value = sensor_read_reg(client, LIS3DH_STATUS_REG);
- if((value & 0x0f) == 0)
- {
- printk("%s:line=%d,value=0x%x,data is not ready\n",__func__,__LINE__,value);
- return -1;
- }
-
-
- /* 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);
-
- //this gsensor need 6 bytes buffer
- x = sensor_convert_data(sensor->client, buffer[1], buffer[0]); //buffer[1]:high bit
- y = sensor_convert_data(sensor->client, buffer[3], buffer[2]);
- z = sensor_convert_data(sensor->client, buffer[5], buffer[4]);
-
- 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;
-
- DBG( "%s: axis = %d %d %d \n", __func__, axis.x, axis.y, axis.z);
-
- //Report event only while value is changed to save some power
- 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);
-
- /* »¥³âµØ»º´æÊý¾Ý. */
- mutex_lock(&(sensor->data_mutex) );
- sensor->axis = axis;
- mutex_unlock(&(sensor->data_mutex) );
- }
-
- if((sensor->pdata->irq_enable)&& (sensor->ops->int_status_reg >= 0)) //read sensor intterupt status register
- {
-
- value = sensor_read_reg(client, sensor->ops->int_status_reg);
- DBG("%s:sensor int status :0x%x\n",__func__,value);
- }
-
- return ret;
-}
-
-struct sensor_operate gsensor_lis3dh_ops = {
- .name = "lis3dh",
- .type = SENSOR_TYPE_ACCEL, //sensor type and it should be correct
- .id_i2c = ACCEL_ID_LIS3DH, //i2c id number
- .read_reg = (LIS3DH_OUT_X_L | 0x80), //read data
- .read_len = 6, //data length
- .id_reg = LIS3DH_WHO_AM_I, //read device id from this register
- .id_data = LIS3DH_DEVID, //device id
- .precision = LIS3DH_PRECISION, //12 bits
- .ctrl_reg = LIS3DH_CTRL_REG1, //enable or disable
- .int_status_reg = LIS3DH_INT1_SRC, //intterupt status register
- .range = {-LIS3DH_RANGE,LIS3DH_RANGE}, //range
- .trig = (IRQF_TRIGGER_LOW|IRQF_ONESHOT),
- .active = sensor_active,
- .init = sensor_init,
- .report = sensor_report_value,
-};
-
-/****************operate according to sensor chip:end************/
-
-//function name should not be changed
-static struct sensor_operate *gsensor_get_ops(void)
-{
- return &gsensor_lis3dh_ops;
-}
-
-
-static int __init gsensor_lis3dh_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);
- printk("%s\n",__func__);
- return result;
-}
-
-static void __exit gsensor_lis3dh_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_lis3dh_init);
-module_exit(gsensor_lis3dh_exit);
-
-
+/* drivers/input/sensors/access/kxtik.c
+ *
+ * Copyright (C) 2012-2015 ROCKCHIP.
+ * Author: luowei <lw@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 <asm/uaccess.h>
+#include <asm/atomic.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/workqueue.h>
+#include <linux/freezer.h>
+#include <mach/gpio.h>
+#include <mach/board.h>
+#ifdef CONFIG_HAS_EARLYSUSPEND
+#include <linux/earlysuspend.h>
+#endif
+#include <linux/sensor-dev.h>
+
+#if 0
+#define SENSOR_DEBUG_TYPE SENSOR_TYPE_ACCEL
+#define DBG(x...) if(sensor->pdata->type == SENSOR_DEBUG_TYPE) printk(x)
+#else
+#define DBG(x...)
+#endif
+
+#define LIS3DH_INT_COUNT (0x0E)
+#define LIS3DH_WHO_AM_I (0x0F)
+
+/* full scale setting - register & mask */
+#define LIS3DH_TEMP_CFG_REG (0x1F)
+#define LIS3DH_CTRL_REG1 (0x20)
+#define LIS3DH_CTRL_REG2 (0x21)
+#define LIS3DH_CTRL_REG3 (0x22)
+#define LIS3DH_CTRL_REG4 (0x23)
+#define LIS3DH_CTRL_REG5 (0x24)
+#define LIS3DH_CTRL_REG6 (0x25)
+#define LIS3DH_REFERENCE (0x26)
+#define LIS3DH_STATUS_REG (0x27)
+#define LIS3DH_OUT_X_L (0x28)
+#define LIS3DH_OUT_X_H (0x29)
+#define LIS3DH_OUT_Y_L (0x2a)
+#define LIS3DH_OUT_Y_H (0x2b)
+#define LIS3DH_OUT_Z_L (0x2c)
+#define LIS3DH_OUT_Z_H (0x2d)
+#define LIS3DH_FIFO_CTRL_REG (0x2E)
+
+#define LIS3DH_INT1_CFG (0x30)
+#define LIS3DH_INT1_SRC (0x31)
+#define LIS3DH_INT1_THS (0x32)
+#define LIS3DH_INT1_DURATION (0x33)
+
+#define LIS3DH_DEVID (0x33) //chip id
+#define LIS3DH_ACC_DISABLE (0x08)
+
+#define LIS3DH_RANGE 2000000
+
+/* LIS3DH */
+#define LIS3DH_PRECISION 16
+#define LIS3DH_BOUNDARY (0x1 << (LIS3DH_PRECISION - 1))
+#define LIS3DH_GRAVITY_STEP (LIS3DH_RANGE / LIS3DH_BOUNDARY)
+
+#define ODR1 0x10 /* 1Hz output data rate */
+#define ODR10 0x20 /* 10Hz output data rate */
+#define ODR25 0x30 /* 25Hz output data rate */
+#define ODR50 0x40 /* 50Hz output data rate */
+#define ODR100 0x50 /* 100Hz output data rate */
+#define ODR200 0x60 /* 200Hz output data rate */
+#define ODR400 0x70 /* 400Hz output data rate */
+#define ODR1250 0x90 /* 1250Hz output data rate */
+
+
+
+struct sensor_reg_data {
+ char reg;
+ char data;
+};
+
- struct i2c_client *this_client=NULL;
++struct i2c_client *lis3dgh_client=NULL;
+static struct class *sensor_class = NULL;
+
+static ssize_t sensor_setoratitention(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int i=0;
+ char gsensororatation[20];
+
+ struct sensor_private_data *sensor =
- (struct sensor_private_data *) i2c_get_clientdata(this_client);
++ (struct sensor_private_data *) i2c_get_clientdata(lis3dgh_client);
+ struct sensor_platform_data *pdata = sensor->pdata;
+
+
+ char *p = strstr(buf,"gsensor");
+ int start = strcspn(p,"{");
+ int end = strcspn(p,"}");
+
+ strncpy(gsensororatation,p+start,end-start+1);
+ char *tmp=gsensororatation;
+
+
+ while(strncmp(tmp,"}",1)!=0)
+ {
+ if((strncmp(tmp,",",1)==0)||(strncmp(tmp,"{",1)==0))
+ {
+
+ tmp++;
+ continue;
+ }
+ else if(strncmp(tmp,"-",1)==0)
+ {
+ pdata->orientation[i++]=-1;
+ DBG("i=%d,data=%d\n",i,pdata->orientation[i]);
+ tmp++;
+ }
+ else
+ {
+ pdata->orientation[i++]=tmp[0]-48;
+ DBG("----i=%d,data=%d\n",i,pdata->orientation[i]);
+ }
+ tmp++;
+
+
+ }
+
+ for(i=0;i<9;i++)
+ DBG("i=%d gsensor_info=%d\n",i,pdata->orientation[i]);
+ return 0;
+
+}
+
+static CLASS_ATTR(oratiention, 0777, NULL,sensor_setoratitention);
+
+static int sensor_sys_init(void)
+{
+ int ret ;
+ sensor_class = class_create(THIS_MODULE, "gsensor");
+ ret = class_create_file(sensor_class, &class_attr_oratiention);
+ if (ret)
+ {
+ printk("Fail to creat class oratiention.\n");
+ }
+ return 0;
+}
+
++
+/****************operate according to sensor chip:start************/
+
+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;
+
+ sensor->ops->ctrl_data = sensor_read_reg(client, sensor->ops->ctrl_reg);
+
+ sensor->ops->ctrl_data |= ODR100; //100HZ,if 0 then power down
+
+ //register setting according to chip datasheet
+ if(!enable)
+ {
+ status = LIS3DH_ACC_DISABLE; //lis3dh
+ sensor->ops->ctrl_data |= status;
+ }
+ else
+ {
+ status = ~LIS3DH_ACC_DISABLE; //lis3dh
+ sensor->ops->ctrl_data &= status;
+ }
+
+ DBG("%s:reg=0x%x,reg_ctrl=0x%x,enable=%d\n",__func__,sensor->ops->ctrl_reg, sensor->ops->ctrl_data, enable);
+ result = sensor_write_reg(client, sensor->ops->ctrl_reg, sensor->ops->ctrl_data);
+ if(result)
+ printk("%s:fail to active sensor\n",__func__);
+
+ 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;
+ int i;
+ struct sensor_reg_data reg_data[] =
+ {
+ {LIS3DH_CTRL_REG2,0X00},
+ {LIS3DH_CTRL_REG4,0x08}, //High resolution output mode: 1, Normal mode
+ {LIS3DH_CTRL_REG6,0x40},
+ {LIS3DH_TEMP_CFG_REG,0x00}, //
+ {LIS3DH_FIFO_CTRL_REG,0x00}, //
+ {LIS3DH_INT1_CFG,0xFF}, //6 direction position recognition
+ {LIS3DH_INT1_THS,0x7F}, //Interrupt 1 threshold
+ {LIS3DH_INT1_DURATION,0x7F}, //Duration value 0x00->ox7f
+ };
+
+ result = sensor->ops->active(client,0,0);
+ if(result)
+ {
+ printk("%s:line=%d,error\n",__func__,__LINE__);
+ return result;
+ }
- this_client = client;
-
++ lis3dgh_client = client;
++
+ sensor->status_cur = SENSOR_OFF;
+
+ for(i=0;i<(sizeof(reg_data)/sizeof(struct sensor_reg_data));i++)
+ {
+ result = sensor_write_reg(client, reg_data[i].reg, reg_data[i].data);
+ if(result)
+ {
+ printk("%s:line=%d,i=%d,error\n",__func__,__LINE__,i);
+ return result;
+ }
+ }
+
+
+ if(sensor->pdata->irq_enable)
+ {
+
+ result = sensor_write_reg(client, LIS3DH_CTRL_REG3, 0x40);//I1_AOI1 =1 if motion
+ if(result)
+ {
+ printk("%s:line=%d,error\n",__func__,__LINE__);
+ return result;
+ }
+
+ result = sensor_write_reg(client, LIS3DH_CTRL_REG5, 0x08);
+ if(result)
+ {
+ printk("%s:line=%d,error\n",__func__,__LINE__);
+ return result;
+ }
+
+ }
- sensor_sys_init();
+
++ sensor_sys_init();
+ return result;
+}
+
+static int sensor_convert_data(struct i2c_client *client, char high_byte, char low_byte)
+{
+ s64 result;
+ struct sensor_private_data *sensor =
+ (struct sensor_private_data *) i2c_get_clientdata(client);
+ //int precision = sensor->ops->precision;
+ switch (sensor->devid) {
+ case LIS3DH_DEVID:
+ result = ((int)high_byte << 8) | (int)low_byte;
+ if (result < LIS3DH_BOUNDARY)
+ result = result* LIS3DH_GRAVITY_STEP;
+ else
+ result = ~( ((~result & (0x7fff>>(16-LIS3DH_PRECISION)) ) + 1)
+ * LIS3DH_GRAVITY_STEP) + 1;
+ break;
+
+ default:
+ printk(KERN_ERR "%s: devid wasn't set correctly\n",__func__);
+ return -EFAULT;
+ }
+
+ return (int)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);
+
+ /* 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);
+ 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;
+ int ret = 0;
+ int x,y,z;
+ struct sensor_axis axis;
+ char buffer[6] = {0};
+ char value = 0;
+
+ if(sensor->ops->read_len < 6) //sensor->ops->read_len = 6
+ {
+ printk("%s:lenth is error,len=%d\n",__func__,sensor->ops->read_len);
+ return -1;
+ }
+
+ memset(buffer, 0, 6);
+
+ value = sensor_read_reg(client, LIS3DH_STATUS_REG);
+ if((value & 0x0f) == 0)
+ {
+ printk("%s:line=%d,value=0x%x,data is not ready\n",__func__,__LINE__,value);
+ return -1;
+ }
+
+
+ /* 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);
+
+ //this gsensor need 6 bytes buffer
+ x = sensor_convert_data(sensor->client, buffer[1], buffer[0]); //buffer[1]:high bit
+ y = sensor_convert_data(sensor->client, buffer[3], buffer[2]);
+ z = sensor_convert_data(sensor->client, buffer[5], buffer[4]);
+
+ 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;
+
+ DBG( "%s: axis = %d %d %d \n", __func__, axis.x, axis.y, axis.z);
+
+ //Report event only while value is changed to save some power
+ 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);
+
+ /* »¥³âµØ»º´æÊý¾Ý. */
+ mutex_lock(&(sensor->data_mutex) );
+ sensor->axis = axis;
+ mutex_unlock(&(sensor->data_mutex) );
+ }
+
+ if((sensor->pdata->irq_enable)&& (sensor->ops->int_status_reg >= 0)) //read sensor intterupt status register
+ {
+
+ value = sensor_read_reg(client, sensor->ops->int_status_reg);
+ DBG("%s:sensor int status :0x%x\n",__func__,value);
+ }
+
+ return ret;
+}
+
- struct sensor_operate gsensor_ops = {
++struct sensor_operate gsensor_lis3dh_ops = {
+ .name = "lis3dh",
+ .type = SENSOR_TYPE_ACCEL, //sensor type and it should be correct
+ .id_i2c = ACCEL_ID_LIS3DH, //i2c id number
+ .read_reg = (LIS3DH_OUT_X_L | 0x80), //read data
+ .read_len = 6, //data length
+ .id_reg = LIS3DH_WHO_AM_I, //read device id from this register
+ .id_data = LIS3DH_DEVID, //device id
+ .precision = LIS3DH_PRECISION, //12 bits
+ .ctrl_reg = LIS3DH_CTRL_REG1, //enable or disable
+ .int_status_reg = LIS3DH_INT1_SRC, //intterupt status register
+ .range = {-LIS3DH_RANGE,LIS3DH_RANGE}, //range
+ .trig = (IRQF_TRIGGER_LOW|IRQF_ONESHOT),
+ .active = sensor_active,
+ .init = sensor_init,
+ .report = sensor_report_value,
+};
+
+/****************operate according to sensor chip:end************/
+
+//function name should not be changed
- struct sensor_operate *gsensor_get_ops(void)
++static struct sensor_operate *gsensor_get_ops(void)
+{
- return &gsensor_ops;
++ return &gsensor_lis3dh_ops;
+}
+
- EXPORT_SYMBOL(gsensor_get_ops);
+
- static int __init gsensor_init(void)
++static int __init gsensor_lis3dh_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);
+ printk("%s\n",__func__);
+ return result;
+}
+
- static void __exit gsensor_exit(void)
++static void __exit gsensor_lis3dh_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_init);
- module_exit(gsensor_exit);
++module_init(gsensor_lis3dh_init);
++module_exit(gsensor_lis3dh_exit);
+
+
diff --cc drivers/input/sensors/accel/mma8452.c
index bb698d46ca72,c489c95ce54a..5258a8b0e510
--- a/drivers/input/sensors/accel/mma8452.c
+++ b/drivers/input/sensors/accel/mma8452.c
@@@ -1,375 -1,305 +1,375 @@@
-/* drivers/input/sensors/access/mma8452.c
- *
- * Copyright (C) 2012-2015 ROCKCHIP.
- * Author: luowei <lw@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 <asm/uaccess.h>
-#include <asm/atomic.h>
-#include <linux/delay.h>
-#include <linux/input.h>
-#include <linux/workqueue.h>
-#include <linux/freezer.h>
-#include <mach/gpio.h>
-#include <mach/board.h>
-#ifdef CONFIG_HAS_EARLYSUSPEND
-#include <linux/earlysuspend.h>
-#endif
-#include <linux/mma8452.h>
-#include <linux/sensor-dev.h>
-
-#if 0
-#define SENSOR_DEBUG_TYPE SENSOR_TYPE_ACCEL
-#define DBG(x...) if(sensor->pdata->type == SENSOR_DEBUG_TYPE) printk(x)
-#else
-#define DBG(x...)
-#endif
-
-
-#define MMA8451_DEVID 0x1a
-#define MMA8452_DEVID 0x2a
-#define MMA8453_DEVID 0x3a
-
-#define MMA8452_ENABLE 1
-
-
-/****************operate according to sensor chip:start************/
-
-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;
-
- sensor->ops->ctrl_data = sensor_read_reg(client, sensor->ops->ctrl_reg);
-
- //register setting according to chip datasheet
- if(enable)
- {
- status = MMA8452_ENABLE; //mma8452
- sensor->ops->ctrl_data |= status;
- }
- else
- {
- status = ~MMA8452_ENABLE; //mma8452
- sensor->ops->ctrl_data &= status;
- }
-
- DBG("%s:reg=0x%x,reg_ctrl=0x%x,enable=%d\n",__func__,sensor->ops->ctrl_reg, sensor->ops->ctrl_data, enable);
- result = sensor_write_reg(client, sensor->ops->ctrl_reg, sensor->ops->ctrl_data);
- if(result)
- printk("%s:fail to active sensor\n",__func__);
-
- return result;
-
-}
-
-static int sensor_init(struct i2c_client *client)
-{
- int tmp;
- int ret = 0;
- struct sensor_private_data *sensor =
- (struct sensor_private_data *) i2c_get_clientdata(client);
-
- ret = sensor->ops->active(client,0,0);
- if(ret)
- {
- printk("%s:line=%d,error\n",__func__,__LINE__);
- return ret;
- }
-
- sensor->status_cur = SENSOR_OFF;
-
- /* disable FIFO FMODE = 0*/
- ret = sensor_write_reg(client,MMA8452_REG_F_SETUP,0);
- DBG("%s: MMA8452_REG_F_SETUP:%x\n",__func__, sensor_read_reg(client,MMA8452_REG_F_SETUP));
-
- /* set full scale range to 2g */
- ret = sensor_write_reg(client,MMA8452_REG_XYZ_DATA_CFG,0);
- DBG("%s: MMA8452_REG_XYZ_DATA_CFG:%x\n",__func__, sensor_read_reg(client,MMA8452_REG_XYZ_DATA_CFG));
-
- /* set bus 8bit/14bit(FREAD = 1,FMODE = 0) ,data rate*/
- tmp = (MMA8452_RATE_12P5<< MMA8452_RATE_SHIFT) | FREAD_MASK;
- ret = sensor_write_reg(client,MMA8452_REG_CTRL_REG1,tmp);
-
- sensor->ops->ctrl_data = tmp;
-
- DBG("mma8452 MMA8452_REG_CTRL_REG1:%x\n",sensor_read_reg(client,MMA8452_REG_CTRL_REG1));
-
- DBG("mma8452 MMA8452_REG_SYSMOD:%x\n",sensor_read_reg(client,MMA8452_REG_SYSMOD));
-
- ret = sensor_write_reg(client,MMA8452_REG_CTRL_REG3,5);
- DBG("mma8452 MMA8452_REG_CTRL_REG3:%x\n",sensor_read_reg(client,MMA8452_REG_CTRL_REG3));
-
- ret = sensor_write_reg(client,MMA8452_REG_CTRL_REG4,1);
- DBG("mma8452 MMA8452_REG_CTRL_REG4:%x\n",sensor_read_reg(client,MMA8452_REG_CTRL_REG4));
-
- ret = sensor_write_reg(client,MMA8452_REG_CTRL_REG5,1);
- DBG("mma8452 MMA8452_REG_CTRL_REG5:%x\n",sensor_read_reg(client,MMA8452_REG_CTRL_REG5));
-
- DBG("mma8452 MMA8452_REG_SYSMOD:%x\n",sensor_read_reg(client,MMA8452_REG_SYSMOD));
-
- return ret;
-}
-
-static int sensor_convert_data(struct i2c_client *client, char high_byte, char low_byte)
-{
- s64 result;
- struct sensor_private_data *sensor =
- (struct sensor_private_data *) i2c_get_clientdata(client);
- //int precision = sensor->ops->precision;
- switch (sensor->devid) {
- case MMA8451_DEVID:
- swap(high_byte,low_byte);
- result = ((int)high_byte << (MMA8451_PRECISION-8))
- | ((int)low_byte >> (16-MMA8451_PRECISION));
- if (result < MMA8451_BOUNDARY)
- result = result* MMA8451_GRAVITY_STEP;
- else
- result = ~( ((~result & (0x7fff>>(16-MMA8451_PRECISION)) ) + 1)
- * MMA8451_GRAVITY_STEP) + 1;
- break;
-
- case MMA8452_DEVID:
- swap(high_byte,low_byte);
- result = ((int)high_byte << (MMA8452_PRECISION-8))
- | ((int)low_byte >> (16-MMA8452_PRECISION));
- if (result < MMA8452_BOUNDARY)
- result = result* MMA8452_GRAVITY_STEP;
- else
- result = ~( ((~result & (0x7fff>>(16-MMA8452_PRECISION)) ) + 1)
- * MMA8452_GRAVITY_STEP) + 1;
- break;
-
- case MMA8453_DEVID:
- swap(high_byte,low_byte);
- result = ((int)high_byte << (MMA8453_PRECISION-8))
- | ((int)low_byte >> (16-MMA8453_PRECISION));
- if (result < MMA8453_BOUNDARY)
- result = result* MMA8453_GRAVITY_STEP;
- else
- result = ~( ((~result & (0x7fff>>(16-MMA8453_PRECISION)) ) + 1)
- * MMA8453_GRAVITY_STEP) + 1;
- break;
-
- default:
- printk(KERN_ERR "%s: devid wasn't set correctly\n",__func__);
- return -EFAULT;
- }
-
- return (int)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);
-
- /* 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);
- 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;
- int ret = 0;
- int x,y,z;
- struct sensor_axis axis;
- char buffer[6] = {0};
- char value = 0;
-
- if(sensor->ops->read_len < 6) //sensor->ops->read_len = 6
- {
- printk("%s:lenth 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);
-
-
- //this gsensor need 6 bytes buffer
- x = sensor_convert_data(sensor->client, buffer[1], buffer[0]); //buffer[1]:high bit
- y = sensor_convert_data(sensor->client, buffer[3], buffer[2]);
- z = sensor_convert_data(sensor->client, buffer[5], buffer[4]);
-
- 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;
-
- DBG( "%s: axis = %d %d %d \n", __func__, axis.x, axis.y, axis.z);
-
- //Report event only while value is changed to save some power
- 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);
-
- /* »¥³âµØ»º´æÊý¾Ý. */
- mutex_lock(&(sensor->data_mutex) );
- sensor->axis = axis;
- mutex_unlock(&(sensor->data_mutex) );
- }
-
- if((sensor->pdata->irq_enable)&& (sensor->ops->int_status_reg >= 0)) //read sensor intterupt status register
- {
-
- value = sensor_read_reg(client, sensor->ops->int_status_reg);
- DBG("%s:sensor int status :0x%x\n",__func__,value);
- }
-
- return ret;
-}
-
-
-struct sensor_operate gsensor_mma8452_ops = {
- .name = "mma8452",
- .type = SENSOR_TYPE_ACCEL, //sensor type and it should be correct
- .id_i2c = ACCEL_ID_MMA845X, //i2c id number
- .read_reg = MMA8452_REG_X_OUT_MSB, //read data
- .read_len = 6, //data length
- .id_reg = MMA8452_REG_WHO_AM_I, //read device id from this register
- .id_data = MMA8452_DEVID, //device id
- .precision = MMA8452_PRECISION, //12 bit
- .ctrl_reg = MMA8452_REG_CTRL_REG1, //enable or disable
- .int_status_reg = MMA8452_REG_INTSRC, //intterupt status register
- .range = {-MMA845X_RANGE,MMA845X_RANGE}, //range
- .trig = IRQF_TRIGGER_LOW|IRQF_ONESHOT,
- .active = sensor_active,
- .init = sensor_init,
- .report = sensor_report_value,
-};
-
-/****************operate according to sensor chip:end************/
-
-//function name should not be changed
-static struct sensor_operate *gsensor_get_ops(void)
-{
- return &gsensor_mma8452_ops;
-}
-
-
-static int __init gsensor_mma8452_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);
- printk("%s\n",__func__);
- return result;
-}
-
-static void __exit gsensor_mma8452_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_mma8452_init);
-module_exit(gsensor_mma8452_exit);
-
-
-
+/* drivers/input/sensors/access/mma8452.c
+ *
+ * Copyright (C) 2012-2015 ROCKCHIP.
+ * Author: luowei <lw@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 <asm/uaccess.h>
+#include <asm/atomic.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/workqueue.h>
+#include <linux/freezer.h>
+#include <mach/gpio.h>
+#include <mach/board.h>
+#ifdef CONFIG_HAS_EARLYSUSPEND
+#include <linux/earlysuspend.h>
+#endif
+#include <linux/mma8452.h>
+#include <linux/sensor-dev.h>
+
+#if 0
+#define SENSOR_DEBUG_TYPE SENSOR_TYPE_ACCEL
+#define DBG(x...) if(sensor->pdata->type == SENSOR_DEBUG_TYPE) printk(x)
+#else
+#define DBG(x...)
+#endif
+
+
+#define MMA8451_DEVID 0x1a
+#define MMA8452_DEVID 0x2a
+#define MMA8453_DEVID 0x3a
+
+#define MMA8452_ENABLE 1
+
- struct i2c_client *this_client=NULL;
++
++struct i2c_client *mma8452_client=NULL;
+static struct class *sensor_class = NULL;
+
+static ssize_t sensor_setoratitention(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int i=0;
+ char gsensororatation[20];
+
+ struct sensor_private_data *sensor =
- (struct sensor_private_data *) i2c_get_clientdata(this_client);
++ (struct sensor_private_data *) i2c_get_clientdata(mma8452_client);
+ struct sensor_platform_data *pdata = sensor->pdata;
+
+
+ char *p = strstr(buf,"gsensor");
+ int start = strcspn(p,"{");
+ int end = strcspn(p,"}");
+
+ strncpy(gsensororatation,p+start,end-start+1);
+ char *tmp=gsensororatation;
+
+
+ while(strncmp(tmp,"}",1)!=0)
+ {
+ if((strncmp(tmp,",",1)==0)||(strncmp(tmp,"{",1)==0))
+ {
+
+ tmp++;
+ continue;
+ }
+ else if(strncmp(tmp,"-",1)==0)
+ {
+ pdata->orientation[i++]=-1;
+ DBG("i=%d,data=%d\n",i,pdata->orientation[i]);
+ tmp++;
+ }
+ else
+ {
+ pdata->orientation[i++]=tmp[0]-48;
+ DBG("----i=%d,data=%d\n",i,pdata->orientation[i]);
+ }
+ tmp++;
+
+
+ }
+
+ for(i=0;i<9;i++)
+ DBG("i=%d gsensor_info=%d\n",i,pdata->orientation[i]);
+ return 0;
+
+}
+
+static CLASS_ATTR(oratiention, 0777, NULL,sensor_setoratitention);
+
+static int sensor_sys_init(void)
+{
+ int ret ;
+ sensor_class = class_create(THIS_MODULE, "gsensor");
+ ret = class_create_file(sensor_class, &class_attr_oratiention);
+ if (ret)
+ {
+ printk("Fail to creat class oratiention.\n");
+ }
+ return 0;
+}
+
++
+/****************operate according to sensor chip:start************/
+
+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;
+
+ sensor->ops->ctrl_data = sensor_read_reg(client, sensor->ops->ctrl_reg);
+
+ //register setting according to chip datasheet
+ if(enable)
+ {
+ status = MMA8452_ENABLE; //mma8452
+ sensor->ops->ctrl_data |= status;
+ }
+ else
+ {
+ status = ~MMA8452_ENABLE; //mma8452
+ sensor->ops->ctrl_data &= status;
+ }
+
+ DBG("%s:reg=0x%x,reg_ctrl=0x%x,enable=%d\n",__func__,sensor->ops->ctrl_reg, sensor->ops->ctrl_data, enable);
+ result = sensor_write_reg(client, sensor->ops->ctrl_reg, sensor->ops->ctrl_data);
+ if(result)
+ printk("%s:fail to active sensor\n",__func__);
+
+ return result;
+
+}
+
+static int sensor_init(struct i2c_client *client)
+{
+ int tmp;
+ int ret = 0;
+ struct sensor_private_data *sensor =
+ (struct sensor_private_data *) i2c_get_clientdata(client);
+
+ ret = sensor->ops->active(client,0,0);
+ if(ret)
+ {
+ printk("%s:line=%d,error\n",__func__,__LINE__);
+ return ret;
+ }
-
- this_client=client;
+
++ mma8452_client=client;
+ sensor->status_cur = SENSOR_OFF;
+
+ /* disable FIFO FMODE = 0*/
+ ret = sensor_write_reg(client,MMA8452_REG_F_SETUP,0);
+ DBG("%s: MMA8452_REG_F_SETUP:%x\n",__func__, sensor_read_reg(client,MMA8452_REG_F_SETUP));
+
+ /* set full scale range to 2g */
+ ret = sensor_write_reg(client,MMA8452_REG_XYZ_DATA_CFG,0);
+ DBG("%s: MMA8452_REG_XYZ_DATA_CFG:%x\n",__func__, sensor_read_reg(client,MMA8452_REG_XYZ_DATA_CFG));
+
+ /* set bus 8bit/14bit(FREAD = 1,FMODE = 0) ,data rate*/
+ tmp = (MMA8452_RATE_12P5<< MMA8452_RATE_SHIFT) | FREAD_MASK;
+ ret = sensor_write_reg(client,MMA8452_REG_CTRL_REG1,tmp);
+
+ sensor->ops->ctrl_data = tmp;
+
+ DBG("mma8452 MMA8452_REG_CTRL_REG1:%x\n",sensor_read_reg(client,MMA8452_REG_CTRL_REG1));
+
+ DBG("mma8452 MMA8452_REG_SYSMOD:%x\n",sensor_read_reg(client,MMA8452_REG_SYSMOD));
+
+ ret = sensor_write_reg(client,MMA8452_REG_CTRL_REG3,5);
+ DBG("mma8452 MMA8452_REG_CTRL_REG3:%x\n",sensor_read_reg(client,MMA8452_REG_CTRL_REG3));
+
+ ret = sensor_write_reg(client,MMA8452_REG_CTRL_REG4,1);
+ DBG("mma8452 MMA8452_REG_CTRL_REG4:%x\n",sensor_read_reg(client,MMA8452_REG_CTRL_REG4));
+
+ ret = sensor_write_reg(client,MMA8452_REG_CTRL_REG5,1);
+ DBG("mma8452 MMA8452_REG_CTRL_REG5:%x\n",sensor_read_reg(client,MMA8452_REG_CTRL_REG5));
+
+ DBG("mma8452 MMA8452_REG_SYSMOD:%x\n",sensor_read_reg(client,MMA8452_REG_SYSMOD));
+
+ sensor_sys_init();
+
+ return ret;
+}
+
+static int sensor_convert_data(struct i2c_client *client, char high_byte, char low_byte)
+{
+ s64 result;
+ struct sensor_private_data *sensor =
+ (struct sensor_private_data *) i2c_get_clientdata(client);
+ //int precision = sensor->ops->precision;
+ switch (sensor->devid) {
+ case MMA8451_DEVID:
+ swap(high_byte,low_byte);
+ result = ((int)high_byte << (MMA8451_PRECISION-8))
+ | ((int)low_byte >> (16-MMA8451_PRECISION));
+ if (result < MMA8451_BOUNDARY)
+ result = result* MMA8451_GRAVITY_STEP;
+ else
+ result = ~( ((~result & (0x7fff>>(16-MMA8451_PRECISION)) ) + 1)
+ * MMA8451_GRAVITY_STEP) + 1;
+ break;
+
+ case MMA8452_DEVID:
+ swap(high_byte,low_byte);
+ result = ((int)high_byte << (MMA8452_PRECISION-8))
+ | ((int)low_byte >> (16-MMA8452_PRECISION));
+ if (result < MMA8452_BOUNDARY)
+ result = result* MMA8452_GRAVITY_STEP;
+ else
+ result = ~( ((~result & (0x7fff>>(16-MMA8452_PRECISION)) ) + 1)
+ * MMA8452_GRAVITY_STEP) + 1;
+ break;
+
+ case MMA8453_DEVID:
+ swap(high_byte,low_byte);
+ result = ((int)high_byte << (MMA8453_PRECISION-8))
+ | ((int)low_byte >> (16-MMA8453_PRECISION));
+ if (result < MMA8453_BOUNDARY)
+ result = result* MMA8453_GRAVITY_STEP;
+ else
+ result = ~( ((~result & (0x7fff>>(16-MMA8453_PRECISION)) ) + 1)
+ * MMA8453_GRAVITY_STEP) + 1;
+ break;
+
+ default:
+ printk(KERN_ERR "%s: devid wasn't set correctly\n",__func__);
+ return -EFAULT;
+ }
+
+ return (int)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);
+
+ /* 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);
+ 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;
+ int ret = 0;
+ int x,y,z;
+ struct sensor_axis axis;
+ char buffer[6] = {0};
+ char value = 0;
+
+ if(sensor->ops->read_len < 6) //sensor->ops->read_len = 6
+ {
+ printk("%s:lenth 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);
+
+
+ //this gsensor need 6 bytes buffer
+ x = sensor_convert_data(sensor->client, buffer[1], buffer[0]); //buffer[1]:high bit
+ y = sensor_convert_data(sensor->client, buffer[3], buffer[2]);
+ z = sensor_convert_data(sensor->client, buffer[5], buffer[4]);
+
+ 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;
+
+ DBG( "%s: axis = %d %d %d \n", __func__, axis.x, axis.y, axis.z);
+
+ //Report event only while value is changed to save some power
+ 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);
+
+ /* »¥³âµØ»º´æÊý¾Ý. */
+ mutex_lock(&(sensor->data_mutex) );
+ sensor->axis = axis;
+ mutex_unlock(&(sensor->data_mutex) );
+ }
+
+ if((sensor->pdata->irq_enable)&& (sensor->ops->int_status_reg >= 0)) //read sensor intterupt status register
+ {
+
+ value = sensor_read_reg(client, sensor->ops->int_status_reg);
+ DBG("%s:sensor int status :0x%x\n",__func__,value);
+ }
+
+ return ret;
+}
+
+
- struct sensor_operate gsensor_ops = {
++struct sensor_operate gsensor_mma8452_ops = {
+ .name = "mma8452",
+ .type = SENSOR_TYPE_ACCEL, //sensor type and it should be correct
+ .id_i2c = ACCEL_ID_MMA845X, //i2c id number
+ .read_reg = MMA8452_REG_X_OUT_MSB, //read data
+ .read_len = 6, //data length
+ .id_reg = MMA8452_REG_WHO_AM_I, //read device id from this register
+ .id_data = MMA8452_DEVID, //device id
+ .precision = MMA8452_PRECISION, //12 bit
+ .ctrl_reg = MMA8452_REG_CTRL_REG1, //enable or disable
+ .int_status_reg = MMA8452_REG_INTSRC, //intterupt status register
+ .range = {-MMA845X_RANGE,MMA845X_RANGE}, //range
+ .trig = IRQF_TRIGGER_LOW|IRQF_ONESHOT,
+ .active = sensor_active,
+ .init = sensor_init,
+ .report = sensor_report_value,
+};
+
+/****************operate according to sensor chip:end************/
+
+//function name should not be changed
- struct sensor_operate *gsensor_get_ops(void)
++static struct sensor_operate *gsensor_get_ops(void)
+{
- return &gsensor_ops;
++ return &gsensor_mma8452_ops;
+}
+
- EXPORT_SYMBOL(gsensor_get_ops);
+
- static int __init gsensor_init(void)
++static int __init gsensor_mma8452_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);
+ printk("%s\n",__func__);
+ return result;
+}
+
- static void __exit gsensor_exit(void)
++static void __exit gsensor_mma8452_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_init);
- module_exit(gsensor_exit);
++module_init(gsensor_mma8452_init);
++module_exit(gsensor_mma8452_exit);
+
+
+