-/* 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 CONFIG_REG (0x00)\r
-#define TIM_CTL_REG (0x01)\r
-#define ALS_CTL_REG (0x02)\r
-#define INT_STATUS_REG (0x03)\r
-#define PS_CTL_REG (0x04)\r
-#define PS_ALS_DATA_REG (0x05)\r
-#define ALS_WINDOWS_REG (0x08)\r
-\r
-//enable bit[ 0-1], in register CONFIG_REG\r
-#define ONLY_ALS_EN (0x00)\r
-#define ONLY_PROX_EN (0x01)\r
-#define ALL_PROX_ALS_EN (0x02)\r
-#define ALL_IDLE (0x03)\r
-\r
-#define POWER_MODE_MASK (0x0C)\r
-#define POWER_UP_MODE (0x00)\r
-#define POWER_DOWN_MODE (0x08)\r
-#define POWER_RESET_MODE (0x0C)\r
-\r
-static int sensor_power_updown(struct i2c_client *client, int on)\r
-{\r
- int result = 0;\r
- char value = 0;\r
- int i = 0;\r
- for(i=0; i<3; i++)\r
- {\r
- if(!on)\r
- {\r
- value = sensor_read_reg(client, CONFIG_REG);\r
- value &= ~POWER_MODE_MASK;\r
- value |= POWER_DOWN_MODE;\r
- result = sensor_write_reg(client, CONFIG_REG, value);\r
- if(result)\r
- return result;\r
- }\r
- else\r
- {\r
- value = sensor_read_reg(client, CONFIG_REG);\r
- value &= ~POWER_MODE_MASK;\r
- value |= POWER_UP_MODE;\r
- result = sensor_write_reg(client, CONFIG_REG, value);\r
- if(result)\r
- return result;\r
- }\r
- \r
- if(!result)\r
- break;\r
- }\r
-\r
- if(i>1)\r
- printk("%s:set %d times",__func__,i);\r
- \r
- return result;\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
- char value = 0;\r
-\r
- if(enable) \r
- sensor_power_updown(client, 1);\r
-\r
- value = sensor_read_reg(client, sensor->ops->ctrl_reg);\r
- \r
- //register setting according to chip datasheet \r
- if(enable)\r
- { \r
- if( (value & 0x03) == ONLY_PROX_EN )\r
- {\r
- value &= ~0x03;\r
- value |= ALL_PROX_ALS_EN;\r
- }\r
- else if((value & 0x03) == ALL_IDLE )\r
- {\r
- value &= ~0x03;\r
- value |= ONLY_ALS_EN;\r
- }\r
-\r
- }\r
- else\r
- {\r
- if( (value & 0x03) == ONLY_ALS_EN )\r
- {\r
- value &= ~0x03;\r
- value |= ALL_IDLE;\r
- }\r
- else if((value & 0x03) == ALL_PROX_ALS_EN )\r
- {\r
- value &= ~0x03;\r
- value |= ONLY_PROX_EN;\r
- }\r
- \r
- }\r
- \r
- sensor->ops->ctrl_data = value;\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
- 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
- char value = 0;\r
- \r
- sensor_power_updown(client, 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
-\r
- value = 0x41;//The ADC effective resolution = 9; Low lux threshold level = 1;\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 CONFIG_REG (0x00)
+#define TIM_CTL_REG (0x01)
+#define ALS_CTL_REG (0x02)
+#define INT_STATUS_REG (0x03)
+#define PS_CTL_REG (0x04)
+#define PS_ALS_DATA_REG (0x05)
+#define ALS_WINDOWS_REG (0x08)
+
+//enable bit[ 0-1], in register CONFIG_REG
+#define ONLY_ALS_EN (0x00)
+#define ONLY_PROX_EN (0x01)
+#define ALL_PROX_ALS_EN (0x02)
+#define ALL_IDLE (0x03)
+
+#define POWER_MODE_MASK (0x0C)
+#define POWER_UP_MODE (0x00)
+#define POWER_DOWN_MODE (0x08)
+#define POWER_RESET_MODE (0x0C)
+
+static int sensor_power_updown(struct i2c_client *client, int on)
+{
+ int result = 0;
+ char value = 0;
+ int i = 0;
+ for(i=0; i<3; i++)
+ {
+ if(!on)
+ {
+ value = sensor_read_reg(client, CONFIG_REG);
+ value &= ~POWER_MODE_MASK;
+ value |= POWER_DOWN_MODE;
+ result = sensor_write_reg(client, CONFIG_REG, value);
+ if(result)
+ return result;
+ }
+ else
+ {
+ value = sensor_read_reg(client, CONFIG_REG);
+ value &= ~POWER_MODE_MASK;
+ value |= POWER_UP_MODE;
+ result = sensor_write_reg(client, CONFIG_REG, value);
+ if(result)
+ return result;
+ }
+
+ if(!result)
+ break;
+ }
+
+ if(i>1)
+ printk("%s:set %d times",__func__,i);
+
+ return result;
+}
+
+/****************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;
+ char value = 0;
+
+ if(enable)
+ sensor_power_updown(client, 1);
+
+ value = sensor_read_reg(client, sensor->ops->ctrl_reg);
+
+ //register setting according to chip datasheet
+ if(enable)
+ {
+ if( (value & 0x03) == ONLY_PROX_EN )
+ {
+ value &= ~0x03;
+ value |= ALL_PROX_ALS_EN;
+ }
+ else if((value & 0x03) == ALL_IDLE )
+ {
+ value &= ~0x03;
+ value |= ONLY_ALS_EN;
+ }
+
+ }
+ else
+ {
+ if( (value & 0x03) == ONLY_ALS_EN )
+ {
+ value &= ~0x03;
+ value |= ALL_IDLE;
+ }
+ else if((value & 0x03) == ALL_PROX_ALS_EN )
+ {
+ value &= ~0x03;
+ value |= ONLY_PROX_EN;
+ }
+
+ }
+
+ sensor->ops->ctrl_data = value;
+
+ 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;
+ char value = 0;
+
+ sensor_power_updown(client, 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;
+
+ value = 0x41;//The ADC effective resolution = 9; Low lux threshold level = 1;
//value = 0x69; //The ADC effective resolution = 17; Low lux threshold level = 9;
- result = sensor_write_reg(client, ALS_CTL_REG, value);\r
- if(result)\r
- {\r
- printk("%s:line=%d,error\n",__func__,__LINE__);\r
- return result;\r
- }\r
+ result = sensor_write_reg(client, ALS_CTL_REG, value);
+ if(result)
+ {
+ printk("%s:line=%d,error\n",__func__,__LINE__);
+ return result;
+ }
//value = 0x04;//0x01-0x0f; 17%->93.5% if value = 0x04,then Compensate Loss 52%
- value = 0x02;//0x01-0x0f; 17%->93.5% if value = 0x02,then Compensate Loss 31% \r
- result = sensor_write_reg(client, ALS_WINDOWS_REG, value);\r
- if(result)\r
- {\r
- printk("%s:line=%d,error\n",__func__,__LINE__);\r
- return result;\r
- }\r
- \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
- if(data <= 0){\r
- index = 0;goto report;\r
- }\r
- else if(data <= 2){\r
- index = 1;goto report;\r
- }\r
- else if(data <= 4){\r
- index = 2;goto report;\r
- }\r
- else if(data <= 8){\r
- index = 3;goto report;\r
- }\r
- else if(data <= 14){\r
- index = 4;goto report;\r
- }\r
- else if(data <= 20){\r
- index = 5;goto report;\r
- }\r
- else if(data <= 26){\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 value = 0;\r
- char index = 0;\r
- \r
- if(sensor->pdata->irq_enable)\r
- {\r
- if(sensor->ops->int_status_reg)\r
- {\r
- value = sensor_read_reg(client, sensor->ops->int_status_reg);\r
- }\r
- \r
- }\r
-\r
- value = sensor_read_reg(client, sensor->ops->read_reg);\r
- index = light_report_value(sensor->input_dev, value&0x3f); // bit0-5 is ls data;\r
- \r
- DBG("%s:%s result=0x%x,index=%d\n",__func__,sensor->ops->name, value,index);\r
- \r
- return result;\r
-}\r
-\r
-struct sensor_operate light_al3006_ops = {\r
- .name = "ls_al3006",\r
- .type = SENSOR_TYPE_LIGHT, //sensor type and it should be correct\r
- .id_i2c = LIGHT_ID_AL3006, //i2c id number\r
- .read_reg = PS_ALS_DATA_REG, //read data\r
- .read_len = 1, //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 = CONFIG_REG, //enable or disable \r
- .int_status_reg = INT_STATUS_REG, //intterupt status register\r
- .range = {100,65535}, //range\r
- .brightness ={10,255}, // brightness\r
- .trig = IRQF_TRIGGER_LOW | IRQF_ONESHOT | IRQF_SHARED, \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_al3006_ops;\r
-}\r
-\r
-\r
-static int __init light_al3006_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_al3006_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_al3006_init);\r
-module_exit(light_al3006_exit);\r
-\r
-\r
+ value = 0x02;//0x01-0x0f; 17%->93.5% if value = 0x02,then Compensate Loss 31%
+ result = sensor_write_reg(client, ALS_WINDOWS_REG, value);
+ if(result)
+ {
+ printk("%s:line=%d,error\n",__func__,__LINE__);
+ return result;
+ }
+
+ return result;
+}
+
+
+static int light_report_value(struct input_dev *input, int data)
+{
+ unsigned char index = 0;
+ if(data <= 0){
+ index = 0;goto report;
+ }
+ else if(data <= 2){
+ index = 1;goto report;
+ }
+ else if(data <= 4){
+ index = 2;goto report;
+ }
+ else if(data <= 8){
+ index = 3;goto report;
+ }
+ else if(data <= 14){
+ index = 4;goto report;
+ }
+ else if(data <= 20){
+ index = 5;goto report;
+ }
+ else if(data <= 26){
+ 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 value = 0;
+ char index = 0;
+
+ if(sensor->pdata->irq_enable)
+ {
+ if(sensor->ops->int_status_reg)
+ {
+ value = sensor_read_reg(client, sensor->ops->int_status_reg);
+ }
+
+ }
+
+ value = sensor_read_reg(client, sensor->ops->read_reg);
+ index = light_report_value(sensor->input_dev, value&0x3f); // bit0-5 is ls data;
+
+ DBG("%s:%s result=0x%x,index=%d\n",__func__,sensor->ops->name, value,index);
+
+ return result;
+}
+
+struct sensor_operate light_al3006_ops = {
+ .name = "ls_al3006",
+ .type = SENSOR_TYPE_LIGHT, //sensor type and it should be correct
+ .id_i2c = LIGHT_ID_AL3006, //i2c id number
+ .read_reg = PS_ALS_DATA_REG, //read data
+ .read_len = 1, //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 = CONFIG_REG, //enable or disable
+ .int_status_reg = INT_STATUS_REG, //intterupt status register
+ .range = {100,65535}, //range
+ .brightness ={10,255}, // brightness
+ .trig = IRQF_TRIGGER_LOW | IRQF_ONESHOT | IRQF_SHARED,
+ .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_al3006_ops;
+}
+
+
+static int __init light_al3006_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_al3006_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_al3006_init);
+module_exit(light_al3006_exit);
+
+
projects / firefly-linux-kernel-4.4.55.git / blobdiff