-/* drivers/input/sensors/access/kxtik.c\r
- *\r
- * Copyright (C) 2012-2015 ROCKCHIP.\r
- * Author: luowei <lw@rock-chips.com>\r
- *\r
- * This software is licensed under the terms of the GNU General Public\r
- * License version 2, as published by the Free Software Foundation, and\r
- * may be copied, distributed, and modified under those terms.\r
- *\r
- * This program is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- *\r
- */\r
-#include <linux/interrupt.h>\r
-#include <linux/i2c.h>\r
-#include <linux/slab.h>\r
-#include <linux/irq.h>\r
-#include <linux/miscdevice.h>\r
-#include <linux/gpio.h>\r
-#include <asm/uaccess.h>\r
-#include <asm/atomic.h>\r
-#include <linux/delay.h>\r
-#include <linux/input.h>\r
-#include <linux/workqueue.h>\r
-#include <linux/freezer.h>\r
-#include <linux/of_gpio.h>\r
-#ifdef CONFIG_HAS_EARLYSUSPEND\r
-#include <linux/earlysuspend.h>\r
-#endif\r
-#include <linux/sensor-dev.h>\r
-\r
-\r
-#define CM3232_CLOSE 0x01\r
-\r
-\r
-#define CM3232_ADDR_COM 0\r
-#define CM3232_ADDR_DATA 50 \r
-\r
-#define CM3232_DRV_NAME "cm3232"\r
-//command code\r
-#define COMMAND_CTRL 0\r
-#define COMMAND_ALS_DATA 50 //ALS: 15:8 MSB 8bits data\r
- //7:0 LSB 8bits data\r
-\r
-//ctrl bit\r
-#define ALS_RESET(x) (((x)&1)<<6) //0 = Reset disable; 1 = Reset enable\r
-#define ALS_IT(x) (((x)&7)<<2) //ALS integration time setting\r
-#define HIGH_SENSITIVITY(x) (((x)&1)<<1) //0 = Normal mode; 1 = High sensitivity mode\r
-#define SHUT_DOWN(x) (((x)&1)<<0) //ALS shut down setting: 0 = ALS Power on ; 1 = ALS Shut down\r
-\r
-#define ALS_IT100MS 0 //100ms\r
-#define ALS_IT200MS 1 //200ms\r
-#define ALS_IT400MS 2 //400ms\r
-#define ALS_IT800MS 3 //800ms\r
-#define ALS_IT1600MS 4 //1600ms\r
-#define ALS_IT3200MS 5 //3200ms\r
-\r
-\r
-/****************operate according to sensor chip:start************/\r
-\r
-static int sensor_active(struct i2c_client *client, int enable, int rate)\r
-{\r
- struct sensor_private_data *sensor =\r
- (struct sensor_private_data *) i2c_get_clientdata(client); \r
- int result = 0;\r
- //int status = 0;\r
- \r
- //sensor->client->addr = sensor->ops->ctrl_reg; \r
- //sensor->ops->ctrl_data = sensor_read_reg(client, sensor->ops->ctrl_reg);\r
- //printk("%s: client addr = %#x\n\n", __func__, client->addr); \r
- //register setting according to chip datasheet \r
- if (enable) {\r
- sensor->ops->ctrl_data = ALS_RESET(1); \r
- result = sensor_write_reg(client, sensor->ops->ctrl_reg, sensor->ops->ctrl_data);\r
- if(result) {\r
- printk("%s:fail to active sensor\n",__func__);\r
- return -1;\r
- }\r
- }\r
-\r
- if(enable)\r
- { \r
- sensor->ops->ctrl_data = ALS_IT(ALS_IT200MS) | HIGH_SENSITIVITY(1);\r
- }\r
- else\r
- {\r
- sensor->ops->ctrl_data = SHUT_DOWN(1);\r
- }\r
-\r
- DBG("%s:reg=0x%x,reg_ctrl=0x%x,enable=%d\n",__func__,sensor->ops->ctrl_reg, sensor->ops->ctrl_data, enable);\r
-\r
- result = sensor_write_reg(client, sensor->ops->ctrl_reg, sensor->ops->ctrl_data);\r
- if(result)\r
- printk("%s:fail to active sensor\n",__func__);\r
- \r
- return result;\r
-\r
-}\r
-\r
-\r
-static int sensor_init(struct i2c_client *client)\r
-{ \r
- struct sensor_private_data *sensor =\r
- (struct sensor_private_data *) i2c_get_clientdata(client); \r
- int result = 0;\r
- \r
- result = sensor->ops->active(client,0,0);\r
- if(result)\r
- {\r
- printk("%s:line=%d,error\n",__func__,__LINE__);\r
- return result;\r
- }\r
- \r
- sensor->status_cur = SENSOR_OFF;\r
- return result;\r
-}\r
-\r
-\r
-static int light_report_value(struct input_dev *input, int data)\r
-{\r
- unsigned char index = 0;\r
- \r
- if(data <= 10){\r
- index = 0;goto report;\r
- }\r
- else if(data <= 160){\r
- index = 1;goto report;\r
- }\r
- else if(data <= 225){\r
- index = 2;goto report;\r
- }\r
- else if(data <= 320){\r
- index = 3;goto report;\r
- }\r
- else if(data <= 640){\r
- index = 4;goto report;\r
- }\r
- else if(data <= 1280){\r
- index = 5;goto report;\r
- }\r
- else if(data <= 2600){\r
- index = 6;goto report;\r
- }\r
- else{\r
- index = 7;goto report;\r
- }\r
-\r
-report:\r
- input_report_abs(input, ABS_MISC, index);\r
- input_sync(input);\r
- \r
- return index;\r
-}\r
-\r
-\r
-static int sensor_report_value(struct i2c_client *client)\r
-{\r
- struct sensor_private_data *sensor =\r
- (struct sensor_private_data *) i2c_get_clientdata(client); \r
- int result = 0;\r
- //char msb = 0, lsb = 0;\r
- char data[2] = {0};\r
- unsigned short value = 0;\r
- int index = 0;\r
- \r
- //sensor->client->addr = CM3232_ADDR_DATA;\r
- data[0] = CM3232_ADDR_DATA;\r
- sensor_rx_data(sensor->client, data, 2);\r
- value = (data[1] << 8) | data[0] ;\r
-\r
- DBG("%s:result=%d\n",__func__,value);\r
- //printk("%s:result=%d\n",__func__,value);\r
- index = light_report_value(sensor->input_dev, value); \r
- DBG("%s:%s result=0x%x,index=%d\n",__func__,sensor->ops->name, value,index);\r
-\r
- if((sensor->pdata->irq_enable)&& (sensor->ops->int_status_reg >= 0)) //read sensor intterupt status register\r
- {\r
- \r
- result= sensor_read_reg(client, sensor->ops->int_status_reg);\r
- if(result)\r
- {\r
- printk("%s:fail to clear sensor int status,ret=0x%x\n",__func__,result);\r
- }\r
- }\r
- \r
- return result;\r
-}\r
-\r
-\r
-struct sensor_operate light_cm3232_ops = {\r
- .name = "cm3232",\r
- .type = SENSOR_TYPE_LIGHT, //sensor type and it should be correct\r
- .id_i2c = LIGHT_ID_CM3232, //i2c id number\r
- .read_reg = CM3232_ADDR_DATA, //read data\r
- .read_len = 2, //data length\r
- .id_reg = SENSOR_UNKNOW_DATA, //read device id from this register\r
- .id_data = SENSOR_UNKNOW_DATA, //device id\r
- .precision = 8, //8 bits\r
- .ctrl_reg = CM3232_ADDR_COM, //enable or disable \r
- .int_status_reg = SENSOR_UNKNOW_DATA, //intterupt status register\r
- .range = {100,65535}, //range\r
- .brightness = {10,255}, // brightness\r
- .trig = SENSOR_UNKNOW_DATA, \r
- .active = sensor_active, \r
- .init = sensor_init,\r
- .report = sensor_report_value,\r
-};\r
-\r
-/****************operate according to sensor chip:end************/\r
-\r
-//function name should not be changed\r
-static struct sensor_operate *light_get_ops(void)\r
-{\r
- return &light_cm3232_ops;\r
-}\r
-\r
-\r
-static int __init light_cm3232_init(void)\r
-{\r
- struct sensor_operate *ops = light_get_ops();\r
- int result = 0;\r
- int type = ops->type;\r
- result = sensor_register_slave(type, NULL, NULL, light_get_ops);\r
- return result;\r
-}\r
-\r
-static void __exit light_cm3232_exit(void)\r
-{\r
- struct sensor_operate *ops = light_get_ops();\r
- int type = ops->type;\r
- sensor_unregister_slave(type, NULL, NULL, light_get_ops);\r
-}\r
-\r
-\r
-module_init(light_cm3232_init);\r
-module_exit(light_cm3232_exit);\r
-\r
-\r
+/* 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 <linux/of_gpio.h>
+#ifdef CONFIG_HAS_EARLYSUSPEND
+#include <linux/earlysuspend.h>
+#endif
+#include <linux/sensor-dev.h>
+
+
+#define CM3232_CLOSE 0x01
+
+
+#define CM3232_ADDR_COM 0
+#define CM3232_ADDR_DATA 50
+
+#define CM3232_DRV_NAME "cm3232"
+//command code
+#define COMMAND_CTRL 0
+#define COMMAND_ALS_DATA 50 //ALS: 15:8 MSB 8bits data
+ //7:0 LSB 8bits data
+
+//ctrl bit
+#define ALS_RESET(x) (((x)&1)<<6) //0 = Reset disable; 1 = Reset enable
+#define ALS_IT(x) (((x)&7)<<2) //ALS integration time setting
+#define HIGH_SENSITIVITY(x) (((x)&1)<<1) //0 = Normal mode; 1 = High sensitivity mode
+#define SHUT_DOWN(x) (((x)&1)<<0) //ALS shut down setting: 0 = ALS Power on ; 1 = ALS Shut down
+
+#define ALS_IT100MS 0 //100ms
+#define ALS_IT200MS 1 //200ms
+#define ALS_IT400MS 2 //400ms
+#define ALS_IT800MS 3 //800ms
+#define ALS_IT1600MS 4 //1600ms
+#define ALS_IT3200MS 5 //3200ms
+
+
+/****************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->client->addr = sensor->ops->ctrl_reg;
+ //sensor->ops->ctrl_data = sensor_read_reg(client, sensor->ops->ctrl_reg);
+ //printk("%s: client addr = %#x\n\n", __func__, client->addr);
+ //register setting according to chip datasheet
+ if (enable) {
+ sensor->ops->ctrl_data = ALS_RESET(1);
+ result = sensor_write_reg(client, sensor->ops->ctrl_reg, sensor->ops->ctrl_data);
+ if(result) {
+ printk("%s:fail to active sensor\n",__func__);
+ return -1;
+ }
+ }
+
+ if(enable)
+ {
+ sensor->ops->ctrl_data = ALS_IT(ALS_IT200MS) | HIGH_SENSITIVITY(1);
+ }
+ else
+ {
+ sensor->ops->ctrl_data = SHUT_DOWN(1);
+ }
+
+ 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;
+ return result;
+}
+
+
+static int light_report_value(struct input_dev *input, int data)
+{
+ unsigned char index = 0;
+
+ if(data <= 10){
+ index = 0;goto report;
+ }
+ else if(data <= 160){
+ index = 1;goto report;
+ }
+ else if(data <= 225){
+ index = 2;goto report;
+ }
+ else if(data <= 320){
+ index = 3;goto report;
+ }
+ else if(data <= 640){
+ index = 4;goto report;
+ }
+ else if(data <= 1280){
+ index = 5;goto report;
+ }
+ else if(data <= 2600){
+ index = 6;goto report;
+ }
+ else{
+ index = 7;goto report;
+ }
+
+report:
+ input_report_abs(input, ABS_MISC, index);
+ input_sync(input);
+
+ return index;
+}
+
+
+static int sensor_report_value(struct i2c_client *client)
+{
+ struct sensor_private_data *sensor =
+ (struct sensor_private_data *) i2c_get_clientdata(client);
+ int result = 0;
+ //char msb = 0, lsb = 0;
+ char data[2] = {0};
+ unsigned short value = 0;
+ int index = 0;
+
+ //sensor->client->addr = CM3232_ADDR_DATA;
+ data[0] = CM3232_ADDR_DATA;
+ sensor_rx_data(sensor->client, data, 2);
+ value = (data[1] << 8) | data[0] ;
+
+ DBG("%s:result=%d\n",__func__,value);
+ //printk("%s:result=%d\n",__func__,value);
+ index = light_report_value(sensor->input_dev, value);
+ DBG("%s:%s result=0x%x,index=%d\n",__func__,sensor->ops->name, value,index);
+
+ if((sensor->pdata->irq_enable)&& (sensor->ops->int_status_reg >= 0)) //read sensor intterupt status register
+ {
+
+ result= sensor_read_reg(client, sensor->ops->int_status_reg);
+ if(result)
+ {
+ printk("%s:fail to clear sensor int status,ret=0x%x\n",__func__,result);
+ }
+ }
+
+ return result;
+}
+
+
+struct sensor_operate light_cm3232_ops = {
+ .name = "cm3232",
+ .type = SENSOR_TYPE_LIGHT, //sensor type and it should be correct
+ .id_i2c = LIGHT_ID_CM3232, //i2c id number
+ .read_reg = CM3232_ADDR_DATA, //read data
+ .read_len = 2, //data length
+ .id_reg = SENSOR_UNKNOW_DATA, //read device id from this register
+ .id_data = SENSOR_UNKNOW_DATA, //device id
+ .precision = 8, //8 bits
+ .ctrl_reg = CM3232_ADDR_COM, //enable or disable
+ .int_status_reg = SENSOR_UNKNOW_DATA, //intterupt status register
+ .range = {100,65535}, //range
+ .brightness = {10,255}, // brightness
+ .trig = SENSOR_UNKNOW_DATA,
+ .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 *light_get_ops(void)
+{
+ return &light_cm3232_ops;
+}
+
+
+static int __init light_cm3232_init(void)
+{
+ struct sensor_operate *ops = light_get_ops();
+ int result = 0;
+ int type = ops->type;
+ result = sensor_register_slave(type, NULL, NULL, light_get_ops);
+ return result;
+}
+
+static void __exit light_cm3232_exit(void)
+{
+ struct sensor_operate *ops = light_get_ops();
+ int type = ops->type;
+ sensor_unregister_slave(type, NULL, NULL, light_get_ops);
+}
+
+
+module_init(light_cm3232_init);
+module_exit(light_cm3232_exit);
+
+
projects / firefly-linux-kernel-4.4.55.git / blobdiff