#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/fs.h>
#include <linux/watchdog.h>
#include <linux/miscdevice.h>
#include <linux/uaccess.h>
#include <linux/kref.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/jiffies.h>

Data Structures
struct	w83793_data

Macros
#define	WATCHDOG_TIMEOUT 2 /* 2 minute default timeout */

#define	W83793_REG_BANKSEL 0x00

#define	W83793_REG_VENDORID 0x0d

#define	W83793_REG_CHIPID 0x0e

#define	W83793_REG_DEVICEID 0x0f

#define	W83793_REG_CONFIG 0x40

#define	W83793_REG_MFC 0x58

#define	W83793_REG_FANIN_CTRL 0x5c

#define	W83793_REG_FANIN_SEL 0x5d

#define	W83793_REG_I2C_ADDR 0x0b

#define	W83793_REG_I2C_SUBADDR 0x0c

#define	W83793_REG_VID_INA 0x05

#define	W83793_REG_VID_INB 0x06

#define	W83793_REG_VID_LATCHA 0x07

#define	W83793_REG_VID_LATCHB 0x08

#define	W83793_REG_VID_CTRL 0x59

#define	W83793_REG_WDT_LOCK 0x01

#define	W83793_REG_WDT_ENABLE 0x02

#define	W83793_REG_WDT_STATUS 0x03

#define	W83793_REG_WDT_TIMEOUT 0x04

#define	TEMP_READ 0

#define	TEMP_CRIT 1

#define	TEMP_CRIT_HYST 2

#define	TEMP_WARN 3

#define	TEMP_WARN_HYST 4

#define	W83793_REG_TEMP_LOW_BITS 0x22

#define	W83793_REG_BEEP(index) (0x53 + (index))

#define	W83793_REG_ALARM(index) (0x4b + (index))

#define	W83793_REG_CLR_CHASSIS 0x4a /* SMI MASK4 */

#define	W83793_REG_IRQ_CTRL 0x50

#define	W83793_REG_OVT_CTRL 0x51

#define	W83793_REG_OVT_BEEP 0x52

#define	IN_READ 0

#define	IN_MAX 1

#define	IN_LOW 2

#define	W83793_REG_FAN(index) (0x23 + 2 * (index)) /* High byte */

#define	W83793_REG_FAN_MIN(index) (0x90 + 2 * (index)) /* High byte */

#define	W83793_REG_PWM_DEFAULT 0xb2

#define	W83793_REG_PWM_ENABLE 0x207

#define	W83793_REG_PWM_UPTIME 0xc3 /* Unit in 0.1 second */

#define	W83793_REG_PWM_DOWNTIME 0xc4 /* Unit in 0.1 second */

#define	W83793_REG_TEMP_CRITICAL 0xc5

#define	PWM_DUTY 0

#define	PWM_START 1

#define	PWM_NONSTOP 2

#define	PWM_STOP_TIME 3

#define	W83793_REG_PWM(index, nr)

#define	W83793_REG_TEMP_FAN_MAP(index) (0x201 + (index))

#define	W83793_REG_TEMP_TOL(index) (0x208 + (index))

#define	W83793_REG_TEMP_CRUISE(index) (0x210 + (index))

#define	W83793_REG_PWM_STOP_TIME(index) (0x228 + (index))

#define	W83793_REG_SF2_TEMP(index, nr) (0x230 + ((index) << 4) + (nr))

#define	W83793_REG_SF2_PWM(index, nr) (0x238 + ((index) << 4) + (nr))

#define	ALARM_STATUS 0

#define	BEEP_ENABLE 1

#define	FAN_INPUT 0

#define	FAN_MIN 1

#define	SETUP_PWM_DEFAULT 0

#define	SETUP_PWM_UPTIME 1 /* Unit in 0.1s */

#define	SETUP_PWM_DOWNTIME 2 /* Unit in 0.1s */

#define	SETUP_TEMP_CRITICAL 3

#define	TEMP_FAN_MAP 0

#define	TEMP_PWM_ENABLE 1

#define	TEMP_CRUISE 2

#define	TEMP_TOLERANCE 3

#define	NOT_USED -1

#define	SENSOR_ATTR_IN(index)

#define	SENSOR_ATTR_FAN(index)

#define	SENSOR_ATTR_PWM(index)

#define	SENSOR_ATTR_TEMP(index)

Functions
	module_param_array (force_subclients, short, NULL, 0)

	MODULE_PARM_DESC (force_subclients,"List of subclient addresses: ""{bus, clientaddr, subclientaddr1, subclientaddr2}")

	module_param (reset, bool, 0)

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

	module_param (timeout, int, 0)

	MODULE_PARM_DESC (timeout,"Watchdog timeout in minutes. 2<= timeout <=255 (default="__MODULE_STRING(WATCHDOG_TIMEOUT)")")

	module_param (nowayout, bool, 0)

	MODULE_PARM_DESC (nowayout,"Watchdog cannot be stopped once started (default="__MODULE_STRING(WATCHDOG_NOWAYOUT)")")

	MODULE_DEVICE_TABLE (i2c, w83793_id)

	module_i2c_driver (w83793_driver)

	MODULE_AUTHOR ("Yuan Mu, Sven Anders")

	MODULE_DESCRIPTION ("w83793 driver")

	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define ALARM_STATUS 0

Definition at line 360 of file w83793.c.

#define BEEP_ENABLE 1

Definition at line 361 of file w83793.c.

#define FAN_INPUT 0

Definition at line 472 of file w83793.c.

#define FAN_MIN 1

Definition at line 473 of file w83793.c.

#define IN_LOW 2

Definition at line 139 of file w83793.c.

#define IN_MAX 1

Definition at line 138 of file w83793.c.

#define IN_READ 0

Definition at line 137 of file w83793.c.

#define NOT_USED -1

Definition at line 1024 of file w83793.c.

#define PWM_DUTY 0

Definition at line 168 of file w83793.c.

#define PWM_NONSTOP 2

Definition at line 170 of file w83793.c.

#define PWM_START 1

Definition at line 169 of file w83793.c.

#define PWM_STOP_TIME 3

Definition at line 171 of file w83793.c.

#define SENSOR_ATTR_FAN ( index )

Value:

SENSOR_ATTR_2(fan##index##_alarm, S_IRUGO, show_alarm_beep, \
        NULL, ALARM_STATUS, index + 17),            \
    SENSOR_ATTR_2(fan##index##_beep, S_IWUSR | S_IRUGO,     \
        show_alarm_beep, store_beep, BEEP_ENABLE, index + 17),  \
    SENSOR_ATTR_2(fan##index##_input, S_IRUGO, show_fan,        \
        NULL, FAN_INPUT, index - 1),                \
    SENSOR_ATTR_2(fan##index##_min, S_IWUSR | S_IRUGO,      \
        show_fan, store_fan_min, FAN_MIN, index - 1)

Definition at line 1039 of file w83793.c.

#define SENSOR_ATTR_IN ( index )

Value:

SENSOR_ATTR_2(in##index##_input, S_IRUGO, show_in, NULL,    \
        IN_READ, index),                    \
    SENSOR_ATTR_2(in##index##_max, S_IRUGO | S_IWUSR, show_in,  \
        store_in, IN_MAX, index),               \
    SENSOR_ATTR_2(in##index##_min, S_IRUGO | S_IWUSR, show_in,  \
        store_in, IN_LOW, index),               \
    SENSOR_ATTR_2(in##index##_alarm, S_IRUGO, show_alarm_beep,  \
        NULL, ALARM_STATUS, index + ((index > 2) ? 1 : 0)), \
    SENSOR_ATTR_2(in##index##_beep, S_IWUSR | S_IRUGO,      \
        show_alarm_beep, store_beep, BEEP_ENABLE,       \
        index + ((index > 2) ? 1 : 0))

Definition at line 1026 of file w83793.c.

#define SENSOR_ATTR_PWM ( index )

Value:

SENSOR_ATTR_2(pwm##index, S_IWUSR | S_IRUGO, show_pwm,      \
        store_pwm, PWM_DUTY, index - 1),            \
    SENSOR_ATTR_2(pwm##index##_nonstop, S_IWUSR | S_IRUGO,      \
        show_pwm, store_pwm, PWM_NONSTOP, index - 1),       \
    SENSOR_ATTR_2(pwm##index##_start, S_IWUSR | S_IRUGO,        \
        show_pwm, store_pwm, PWM_START, index - 1),     \
    SENSOR_ATTR_2(pwm##index##_stop_time, S_IWUSR | S_IRUGO,    \
        show_pwm, store_pwm, PWM_STOP_TIME, index - 1)

Definition at line 1049 of file w83793.c.

#define SENSOR_ATTR_TEMP ( index )

Definition at line 1059 of file w83793.c.

#define SETUP_PWM_DEFAULT 0

Definition at line 697 of file w83793.c.

#define SETUP_PWM_DOWNTIME 2 /* Unit in 0.1s */

Definition at line 699 of file w83793.c.

#define SETUP_PWM_UPTIME 1 /* Unit in 0.1s */

Definition at line 698 of file w83793.c.

#define SETUP_TEMP_CRITICAL 3

Definition at line 700 of file w83793.c.

#define TEMP_CRIT 1

Definition at line 110 of file w83793.c.

#define TEMP_CRIT_HYST 2

Definition at line 111 of file w83793.c.

#define TEMP_CRUISE 2

Definition at line 796 of file w83793.c.

#define TEMP_FAN_MAP 0

Definition at line 794 of file w83793.c.

#define TEMP_PWM_ENABLE 1

Definition at line 795 of file w83793.c.

#define TEMP_READ 0

Definition at line 109 of file w83793.c.

#define TEMP_TOLERANCE 3

Definition at line 797 of file w83793.c.

#define TEMP_WARN 3

Definition at line 112 of file w83793.c.

#define TEMP_WARN_HYST 4

Definition at line 113 of file w83793.c.

#define W83793_REG_ALARM ( index ) (0x4b + (index))

Definition at line 130 of file w83793.c.

#define W83793_REG_BANKSEL 0x00

Definition at line 85 of file w83793.c.

#define W83793_REG_BEEP ( index ) (0x53 + (index))

Definition at line 129 of file w83793.c.

#define W83793_REG_CHIPID 0x0e

Definition at line 87 of file w83793.c.

#define W83793_REG_CLR_CHASSIS 0x4a /* SMI MASK4 */

Definition at line 132 of file w83793.c.

#define W83793_REG_CONFIG 0x40

Definition at line 90 of file w83793.c.

#define W83793_REG_DEVICEID 0x0f

Definition at line 88 of file w83793.c.

#define W83793_REG_FAN ( index ) (0x23 + 2 * (index)) /* High byte */

Definition at line 159 of file w83793.c.

#define W83793_REG_FAN_MIN ( index ) (0x90 + 2 * (index)) /* High byte */

Definition at line 160 of file w83793.c.

#define W83793_REG_FANIN_CTRL 0x5c

Definition at line 92 of file w83793.c.

#define W83793_REG_FANIN_SEL 0x5d

Definition at line 93 of file w83793.c.

#define W83793_REG_I2C_ADDR 0x0b

Definition at line 94 of file w83793.c.

#define W83793_REG_I2C_SUBADDR 0x0c

Definition at line 95 of file w83793.c.

#define W83793_REG_IRQ_CTRL 0x50

Definition at line 133 of file w83793.c.

#define W83793_REG_MFC 0x58

Definition at line 91 of file w83793.c.

#define W83793_REG_OVT_BEEP 0x52

Definition at line 135 of file w83793.c.

#define W83793_REG_OVT_CTRL 0x51

Definition at line 134 of file w83793.c.

#define W83793_REG_PWM	(	index,
		nr
	)

Value:

(((nr) == 0 ? 0xb3 : \

(nr) == 1 ? 0x220 : 0x218) + (index))

Definition at line 172 of file w83793.c.

#define W83793_REG_PWM_DEFAULT 0xb2

Definition at line 162 of file w83793.c.

#define W83793_REG_PWM_DOWNTIME 0xc4 /* Unit in 0.1 second */

Definition at line 165 of file w83793.c.

#define W83793_REG_PWM_ENABLE 0x207

Definition at line 163 of file w83793.c.

#define W83793_REG_PWM_STOP_TIME ( index ) (0x228 + (index))

Definition at line 179 of file w83793.c.

#define W83793_REG_PWM_UPTIME 0xc3 /* Unit in 0.1 second */

Definition at line 164 of file w83793.c.

#define W83793_REG_SF2_PWM	(	index,
		nr
	)	(0x238 + ((index) << 4) + (nr))

Definition at line 181 of file w83793.c.

#define W83793_REG_SF2_TEMP	(	index,
		nr
	)	(0x230 + ((index) << 4) + (nr))

Definition at line 180 of file w83793.c.

#define W83793_REG_TEMP_CRITICAL 0xc5

Definition at line 166 of file w83793.c.

#define W83793_REG_TEMP_CRUISE ( index ) (0x210 + (index))

Definition at line 178 of file w83793.c.

#define W83793_REG_TEMP_FAN_MAP ( index ) (0x201 + (index))

Definition at line 176 of file w83793.c.

#define W83793_REG_TEMP_LOW_BITS 0x22

Definition at line 127 of file w83793.c.

#define W83793_REG_TEMP_TOL ( index ) (0x208 + (index))

Definition at line 177 of file w83793.c.

#define W83793_REG_VENDORID 0x0d

Definition at line 86 of file w83793.c.

#define W83793_REG_VID_CTRL 0x59

Definition at line 100 of file w83793.c.

#define W83793_REG_VID_INA 0x05

Definition at line 96 of file w83793.c.

#define W83793_REG_VID_INB 0x06

Definition at line 97 of file w83793.c.

#define W83793_REG_VID_LATCHA 0x07

Definition at line 98 of file w83793.c.

#define W83793_REG_VID_LATCHB 0x08

Definition at line 99 of file w83793.c.

#define W83793_REG_WDT_ENABLE 0x02

Definition at line 103 of file w83793.c.

#define W83793_REG_WDT_LOCK 0x01

Definition at line 102 of file w83793.c.

#define W83793_REG_WDT_STATUS 0x03

Definition at line 104 of file w83793.c.

#define W83793_REG_WDT_TIMEOUT 0x04

Definition at line 105 of file w83793.c.

#define WATCHDOG_TIMEOUT 2 /* 2 minute default timeout */

Definition at line 52 of file w83793.c.

Function Documentation

MODULE_AUTHOR	(	"Yuan	Mu,
		Sven Anders"
	)

MODULE_DESCRIPTION ( "w83793 driver" )

MODULE_DEVICE_TABLE	(	i2c	,
		w83793_id
	)

module_i2c_driver ( w83793_driver )

MODULE_LICENSE ( "GPL" )

module_param	(	reset	,
		bool	,
		0
	)

module_param	(	timeout	,
		int	,
		0
	)

module_param	(	nowayout	,
		bool	,
		0
	)

module_param_array	(	force_subclients	,
		short	,
		NULL	,
		0
	)

MODULE_PARM_DESC	(	force_subclients	,
		"List of subclient addresses: ""{bus, clientaddr, subclientaddr1, subclientaddr2}"
	)

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

MODULE_PARM_DESC	(	timeout	,
		"Watchdog timeout in minutes. 2<= timeout <=255 (default="__MODULE_STRING(WATCHDOG_TIMEOUT)")"
	)

MODULE_PARM_DESC	(	nowayout	,
		"Watchdog cannot be stopped once started (default="__MODULE_STRING(WATCHDOG_NOWAYOUT)")"
	)

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation