w83l786ng.c File Reference

#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/jiffies.h>

Go to the source code of this file.

Data Structures
struct	w83l786ng_data

Macros
#define	W83L786NG_REG_IN_MIN(nr)   (0x2C + (nr) * 2)
#define	W83L786NG_REG_IN_MAX(nr)   (0x2B + (nr) * 2)
#define	W83L786NG_REG_IN(nr)   ((nr) + 0x20)
#define	W83L786NG_REG_FAN(nr)   ((nr) + 0x28)
#define	W83L786NG_REG_FAN_MIN(nr)   ((nr) + 0x3B)
#define	W83L786NG_REG_CONFIG   0x40
#define	W83L786NG_REG_ALARM1   0x41
#define	W83L786NG_REG_ALARM2   0x42
#define	W83L786NG_REG_GPIO_EN   0x47
#define	W83L786NG_REG_MAN_ID2   0x4C
#define	W83L786NG_REG_MAN_ID1   0x4D
#define	W83L786NG_REG_CHIP_ID   0x4E
#define	W83L786NG_REG_DIODE   0x53
#define	W83L786NG_REG_FAN_DIV   0x54
#define	W83L786NG_REG_FAN_CFG   0x80
#define	W83L786NG_REG_TOLERANCE   0x8D
#define	FAN_FROM_REG(val, div)
#define	TEMP_TO_REG(val)
#define	TEMP_FROM_REG(val)
#define	IN_TO_REG(val)   (SENSORS_LIMIT((((val) + 4) / 8), 0, 255))
#define	IN_FROM_REG(val)   ((val) * 8)
#define	DIV_FROM_REG(val)   (1 << (val))
#define	show_in_reg(reg)
#define	store_in_reg(REG, reg)
#define	show_fan_reg(reg)
#define	show_pwm_reg(reg)
#define	IN_UNIT_ATTRS(X)
#define	FAN_UNIT_ATTRS(X)
#define	TEMP_UNIT_ATTRS(X)
#define	PWM_UNIT_ATTRS(X)
#define	TOLERANCE_UNIT_ATTRS(X)   &sda_tolerance[X].dev_attr.attr

Functions
	module_param (reset, bool, 0)
	MODULE_PARM_DESC (reset,"Set to 1 to reset chip, not recommended")
	MODULE_DEVICE_TABLE (i2c, w83l786ng_id)
	show_in_reg (in)
	show_fan_reg (fan)
	show_fan_reg (fan_min)
	show_pwm_reg (pwm_mode)
	module_i2c_driver (w83l786ng_driver)
	MODULE_AUTHOR ("Kevin Lo")
	MODULE_DESCRIPTION ("w83l786ng driver")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define DIV_FROM_REG

(

val

)

(1 << (val))

Definition at line 112 of file w83l786ng.c.

#define FAN_FROM_REG	(		val,
			div
	)

Value:

((val) == 0   ? -1 : \
                ((val) == 255 ? 0 : \
                1350000 / ((val) * (div))))

Definition at line 93 of file w83l786ng.c.

#define FAN_UNIT_ATTRS

(

X

)

Value:

&sda_fan_input[X].dev_attr.attr,    \
    &sda_fan_min[X].dev_attr.attr,      \
    &sda_fan_div[X].dev_attr.attr

Definition at line 592 of file w83l786ng.c.

#define IN_FROM_REG

(

val

)

((val) * 8)

Definition at line 110 of file w83l786ng.c.

#define IN_TO_REG

(

val

)

(SENSORS_LIMIT((((val) + 4) / 8), 0, 255))

Definition at line 109 of file w83l786ng.c.

#define IN_UNIT_ATTRS

(

X

)

Value:

&sda_in_input[X].dev_attr.attr,     \
    &sda_in_min[X].dev_attr.attr,       \
    &sda_in_max[X].dev_attr.attr

Definition at line 587 of file w83l786ng.c.

#define PWM_UNIT_ATTRS

(

X

)

Value:

&sda_pwm[X].dev_attr.attr,      \
    &sda_pwm_mode[X].dev_attr.attr,     \
    &sda_pwm_enable[X].dev_attr.attr

Definition at line 602 of file w83l786ng.c.

#define show_fan_reg

(

reg

)

Value:

static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
              char *buf) \
{ \
    int nr = to_sensor_dev_attr(attr)->index; \
	struct w83l786ng_data *data = w83l786ng_update_device(dev); \
    return sprintf(buf, "%d\n", \
        FAN_FROM_REG(data->fan[nr], DIV_FROM_REG(data->fan_div[nr]))); \
}

Definition at line 246 of file w83l786ng.c.

#define show_in_reg

(

reg

)

Value:

static ssize_t \
show_##reg(struct device *dev, struct device_attribute *attr, \
       char *buf) \
{ \
    int nr = to_sensor_dev_attr(attr)->index; \
	struct w83l786ng_data *data = w83l786ng_update_device(dev); \
    return sprintf(buf, "%d\n", IN_FROM_REG(data->reg[nr])); \
}

Definition at line 191 of file w83l786ng.c.

#define show_pwm_reg

(

reg

)

Value:

static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \
              char *buf) \
{ \
	struct w83l786ng_data *data = w83l786ng_update_device(dev); \
    int nr = to_sensor_dev_attr(attr)->index; \
    return sprintf(buf, "%d\n", data->reg[nr]); \
}

Definition at line 430 of file w83l786ng.c.

#define store_in_reg	(		REG,
			reg
	)

Value:

static ssize_t \
store_in_##reg(struct device *dev, struct device_attribute *attr, \
           const char *buf, size_t count) \
{ \
    int nr = to_sensor_dev_attr(attr)->index; \
	struct i2c_client *client = to_i2c_client(dev); \
	struct w83l786ng_data *data = i2c_get_clientdata(client); \
    unsigned long val; \
    int err = kstrtoul(buf, 10, &val); \
    if (err) \
        return err; \
    mutex_lock(&data->update_lock); \
	data->in_##reg[nr] = IN_TO_REG(val); \
    w83l786ng_write_value(client, W83L786NG_REG_IN_##REG(nr), \
                  data->in_##reg[nr]); \
    mutex_unlock(&data->update_lock); \
    return count; \
}

#define TEMP_FROM_REG

(

val

)

Value:

(((val) & 0x80 ? \
                  (val) - 0x100 : (val)) * 1000)

Definition at line 101 of file w83l786ng.c.

#define TEMP_TO_REG

(

val

)

Value:

(SENSORS_LIMIT(((val) < 0 ? \
                        (val) + 0x100 * 1000 \
                        : (val)) / 1000, 0, 0xff))

Definition at line 98 of file w83l786ng.c.

#define TEMP_UNIT_ATTRS

(

X

)

Value:

&sda_temp_input[X].dev_attr.attr,   \
    &sda_temp_max[X].dev_attr.attr,     \
    &sda_temp_max_hyst[X].dev_attr.attr

Definition at line 597 of file w83l786ng.c.

#define TOLERANCE_UNIT_ATTRS

(

X

)

&sda_tolerance[X].dev_attr.attr

Definition at line 607 of file w83l786ng.c.

#define W83L786NG_REG_ALARM1   0x41

Definition at line 55 of file w83l786ng.c.

#define W83L786NG_REG_ALARM2   0x42

Definition at line 56 of file w83l786ng.c.

#define W83L786NG_REG_CHIP_ID   0x4E

Definition at line 60 of file w83l786ng.c.

#define W83L786NG_REG_CONFIG   0x40

Definition at line 54 of file w83l786ng.c.

#define W83L786NG_REG_DIODE   0x53

Definition at line 62 of file w83l786ng.c.

#define W83L786NG_REG_FAN

(

nr

)

((nr) + 0x28)

Definition at line 51 of file w83l786ng.c.

#define W83L786NG_REG_FAN_CFG   0x80

Definition at line 64 of file w83l786ng.c.

#define W83L786NG_REG_FAN_DIV   0x54

Definition at line 63 of file w83l786ng.c.

#define W83L786NG_REG_FAN_MIN

(

nr

)

((nr) + 0x3B)

Definition at line 52 of file w83l786ng.c.

#define W83L786NG_REG_GPIO_EN   0x47

Definition at line 57 of file w83l786ng.c.

#define W83L786NG_REG_IN

(

nr

)

((nr) + 0x20)

Definition at line 49 of file w83l786ng.c.

#define W83L786NG_REG_IN_MAX

(

nr

)

(0x2B + (nr) * 2)

Definition at line 48 of file w83l786ng.c.

#define W83L786NG_REG_IN_MIN

(

nr

)

(0x2C + (nr) * 2)

Definition at line 47 of file w83l786ng.c.

#define W83L786NG_REG_MAN_ID1   0x4D

Definition at line 59 of file w83l786ng.c.

#define W83L786NG_REG_MAN_ID2   0x4C

Definition at line 58 of file w83l786ng.c.

#define W83L786NG_REG_TOLERANCE   0x8D

Definition at line 66 of file w83l786ng.c.

Function Documentation

MODULE_AUTHOR

(

"Kevin Lo"

)

MODULE_DESCRIPTION

(

"w83l786ng driver"

)

MODULE_DEVICE_TABLE	(	i2c	,
		w83l786ng_id
	)

module_i2c_driver

(

w83l786ng_driver

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	reset	,
		bool	,
		0
	)

MODULE_PARM_DESC	(	reset	,
		"Set to 1 to reset	chip,
		not recommended"
	)

show_fan_reg

(

fan

)

show_fan_reg

(

fan_min

)

show_in_reg

(

in

)

Definition at line 201 of file w83l786ng.c.

show_pwm_reg

(

pwm_mode

)

Definition at line 439 of file w83l786ng.c.